CN108784135B - Rod group switching clamping mechanism of infant supporting device - Google Patents
Rod group switching clamping mechanism of infant supporting device Download PDFInfo
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- CN108784135B CN108784135B CN201710301749.3A CN201710301749A CN108784135B CN 108784135 B CN108784135 B CN 108784135B CN 201710301749 A CN201710301749 A CN 201710301749A CN 108784135 B CN108784135 B CN 108784135B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 74
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 239000007787 solid Substances 0.000 claims 1
- 235000003166 Opuntia robusta Nutrition 0.000 description 8
- 244000218514 Opuntia robusta Species 0.000 description 8
- 239000004744 fabric Substances 0.000 description 8
- 230000009471 action Effects 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
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- 230000003139 buffering effect Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
- A47D13/00—Other nursery furniture
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
- A47D13/00—Other nursery furniture
- A47D13/08—Devices for use in guiding or supporting children, e.g. safety harness
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention discloses a rod group switching and clamping mechanism of an infant supporting device, which comprises the following components: the device comprises a first rotating piece, a second rotating piece, a locking elastic piece, an operating piece, a clamping piece and a buckling assembly. The locking piece is movable between a locking position and an unlocking position, and when the second rotating piece is positioned at any set angle, the locking piece can be moved to the locking position. The operating piece is movably arranged on the first rotating piece, and the clamping piece is arranged between the operating piece and the locking piece. When the second rotating piece is located at a set angle and the locking piece is located at an unlocking position, the buckling assembly is buckled with the clamping piece, and when the second rotating piece deviates from the set angle and the locking piece is located at the unlocking position, the buckling assembly is tripped with the clamping piece. According to the rod group switching and clamping mechanism of the infant supporting device, disclosed by the embodiment of the invention, the one-hand disassembly and assembly can be realized, and the operation is easy.
Description
Technical Field
The invention relates to an infant supporting device, in particular to a rod group switching and clamping mechanism of the infant supporting device.
Background
The body-building frame designed for infants is disclosed in the related art, and is usually completed by cooperation of two hands or two persons during disassembly and assembly, but in use, parents often need to hold a child with one hand, and only one hand can be left for disassembly and assembly, so that inconvenience is brought to users due to the products.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a rod group switching and clamping mechanism of an infant supporting device, which can be used for conveniently disassembling and assembling the rod group.
According to an embodiment of the invention, a rod group switching and clamping mechanism of an infant supporting device comprises: a first rotating member; a second rotating member rotatably coupled to the first rotating member; the locking piece is movable between a locking position and an unlocking position, the locking piece can move to the locking position to be respectively locked with the first rotating piece and the second rotating piece when the second rotating piece is positioned at any set angle, and the locking piece is unlocked with one of the first rotating piece and the second rotating piece when the second rotating piece moves to the unlocking position; the locking elastic piece is used for normally driving the locking piece to move to a locking position; an operating member movably provided on the first rotating member; the clamping piece is arranged between the operating piece and the locking piece, and when the operating piece moves, the clamping piece pushes the locking piece to move to an unlocking position; the buckling component is arranged on the first rotating piece, when the second rotating piece is located at a set angle and the locking piece is located at an unlocking position, the buckling component is buckled with the clamping piece, and when the second rotating piece deviates from the set angle and the locking piece is located at the unlocking position, the buckling component is tripped with the clamping piece.
According to the rod group switching and clamping mechanism of the infant supporting device, disclosed by the embodiment of the invention, the one-hand disassembly and assembly can be realized, and the operation is easy.
In some embodiments, the clamping piece is provided with a buckling hole, the second rotating piece is provided with a plurality of gear blocks arranged around the rotating axis, the gear blocks correspond to a plurality of set angles, the buckling component is provided with an abutting part abutting against the second rotating piece and a buckling part abutting against the clamping piece, and when the abutting part abuts against the gear blocks and the locking piece is located at the unlocking position, the head end of the buckling part stretches into the buckling hole; when the abutting part abuts against the gear block and the locking piece is located at the locking position, the head end of the buckling part abuts against the peripheral wall of the clamping piece.
In a specific embodiment, the fastening portion is slidably disposed on the abutment portion, and the fastening assembly further includes an elongated elastic member connected between the abutment portion and the fastening portion.
Specifically, the clamping piece passes through the second rotating piece and is connected with the locking piece, the plurality of gear blocks are arranged on the inner peripheral wall of the second rotating piece at intervals, a buckling cover extending into the second rotating piece is arranged on the first rotating piece adjacent to the clamping piece, and buckling holes and abutting holes are formed in the buckling cover; the buckling component is arranged in the buckling cover, the head part of the buckling part extends out of the buckling perforation, and the tail part of the abutting part extends out of the abutting perforation.
In a specific embodiment, the plurality of gear blocks are arranged on the end face of the second rotating member at intervals, the abutting portion is movably arranged in the movable cavity along the direction of the rotation axis of the second rotating member, a sliding surface is formed on the surface of the abutting portion, which faces the operating member, and extends towards the direction of the operating member in the direction of the rotation axis of the second rotating member, the buckling portion is slidably matched with the sliding surface, and the buckling portion is sleeved on the buckling portion.
Specifically, the buckling assembly comprises: the buckling box is matched with the sliding surface, a through hole is formed in the side wall, far away from the rotation axis of the second rotating piece, of the buckling box, the buckling part and the buckling elastic piece are arranged in the buckling box, and the buckling elastic piece is used for normally driving the head of the buckling part to extend out of the through hole.
Further, the abutting portion is provided with a plurality of sliding surfaces arranged around the rotation axis of the second rotating member, each sliding surface is provided with a corresponding buckling box, buckling portion and buckling elastic member, and at least two elastic members for pulling the buckling boxes are connected between the buckling boxes.
Specifically, the pole group switching clamping mechanism further comprises: a retainer coupled to the retention cap, the retainer positioned between the clip and the snap assembly to define the snap assembly within the retention cap.
Still further, the first rotating member with inject the activity chamber between the second rotating member, the activity intracavity be equipped with the retaining cover that the first rotating member links to each other, the retaining cover is towards the one end of operating piece is opened, be equipped with the butt perforation on the perisporium of retaining cover, the lock subassembly is located in the retaining cover, the head of butt portion stretches out from in the butt perforation, the locking piece overcoat is in the retaining cover, a portion of joint spare slidable is established in the retaining cover.
In some embodiments, the second rotating member is configured in a ring shape, the locking member and the operating member are located at two sides of the second rotating member, and the clamping member passes through the second rotating member to be connected with the locking member.
In some embodiments, the first rotating member is provided with a sliding rod, the second rotating member is arranged around the sliding rod, the locking member is sleeved on the sliding rod and can slide along the sliding rod, the locking member is provided with a locking block, and one of the first rotating member and the second rotating member is provided with a plurality of locking grooves matched with the locking block at different set angles.
Specifically, the sliding rods are a plurality of sliding rod holes which are spaced apart, the locking piece is formed into a disc shape, and a plurality of sliding rod perforations which respectively penetrate through the sliding rods are formed in the locking piece.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic view of a storage configuration of a body-building frame according to an embodiment of the present invention;
fig. 2 is a schematic illustration of a fitness modality of a fitness frame according to an embodiment of the present invention;
FIG. 3 is a schematic view of a process of covering a dinner plate cover in a seat configuration of a body-building rack according to an embodiment of the invention;
FIG. 4 is a schematic view of a seat configuration of a body frame according to an embodiment of the present invention;
FIG. 5 is a schematic view of a semi-reclining chair configuration of a body frame according to an embodiment of the present invention;
FIG. 6 is an assembled bottom view of a support bracket with two bases according to one embodiment of the invention;
FIG. 7 is a partially exploded view of the structure shown in FIG. 6;
FIG. 8 is an assembled bottom view of a support bracket, a backrest and two bases according to another embodiment of the invention;
FIG. 9 is a partially exploded view of the structure shown in FIG. 8;
FIG. 10 is an enlarged view of portion A of FIG. 9;
FIG. 11 is an assembled view of a support frame, a backrest and two bases in use according to yet another embodiment of the invention;
FIG. 12 is an assembly view of the support frame, backrest and two bases shown in FIG. 11 in a stowed condition;
FIG. 13 is an assembled view of a support stand and two bases in use according to yet another embodiment of the invention;
FIG. 14 is an enlarged view of a portion of FIG. 13;
fig. 15 is an external view of the first adjusting mechanism when the operation member is not triggered according to the embodiment of the present invention;
FIG. 16 is an external view of the first adjustment mechanism illustrated in FIG. 15 upon actuation of the operating member;
FIG. 17 is an assembly relationship of the first adjustment mechanism shown in FIG. 15 at a portion of the components;
FIG. 18 is an exploded view of one orientation of the first adjustment mechanism shown in FIG. 15;
FIG. 19 is an exploded view of the first adjustment mechanism of FIG. 15 in another orientation;
FIG. 20 is a cross-sectional view of the first adjustment mechanism shown in FIG. 16;
FIG. 21 is an external view of the base, connecting rod and second adjustment mechanism according to an embodiment of the present invention;
FIG. 22 is an exploded view of one orientation of the structure shown in FIG. 21;
FIG. 23 is an exploded view of the structure of FIG. 21 in another orientation;
FIG. 24 is a cross-sectional view of the structure shown in FIG. 21;
FIG. 25 is a schematic view showing the assembly relationship of the locking member, the connecting rod, the fastening assembly and the fastening member shown in FIG. 22 in one direction;
FIG. 26 is a schematic view of the locking member, connecting rod, snap-fit assembly and clip member of FIG. 22 in another orientation;
FIG. 27 is an enlarged partial view of the second rotary member shown in FIG. 22;
FIG. 28 is a schematic view of the snap assembly and retainer of FIG. 22 in yet another orientation;
FIG. 29 is a schematic view of the assembled relationship of the fastening assembly of FIG. 22;
fig. 30 is a cross-sectional view of a portion of the components shown in fig. 21.
Reference numerals:
body-building frame 1000,
A rod group switching and clamping mechanism 100, a first adjusting mechanism 100a, a second adjusting mechanism 100b,
A first rotary member 110, a shaft housing 110a, a cover housing 110b, an opening 110c, an outer housing 110d, an inner housing 110e,
A movable cavity 111, an outer cavity 111d, an inner cavity 111e, a slide rod 112, an outer lock 113, a feeler 1131, a clamping groove 1132, a cylinder 1133, a support tube 114, an operation hole 115,
A second rotary member 120, a gear block 121, a locking groove 122, an outer lock 123, a locking groove 124, a projection 125, a rotary rod 126,
A locking piece 130, a locking piece 131, a slide bar perforation 132, a central column 133, a convex column 134,
An operating element 140, an operating lever 141, a clamping element 142, a buckling element 143, a pushing column 144,
The fastening unit 150, the contact portion 151, the sliding surface 1511, the flange 1512, the fastening portion 152, the elongated elastic member 153, the normal contact elastic member 154, the fastening case 155, the holding cover 156, the holder 157, the sliding hole 158,
A fastening cover 160, a fastening hole 161, a contact hole 162, a cavity 163,
Stepped hole 171, rotary column 172,
Base 200, bottom slot 210, jack 220, hook 230,
A connecting rod 300,
Dinner plate 400, music panel 410, dinner plate cover 420,
500 parts of backrest,
The support 600, the clamping box 610, the insert block 611, the clamping pin 612, the shifting block 6121, the through hole 613, the elastic clamp 620, the dismounting groove 630, the front section 631, the middle section 632, the rear section 633, the switching groove 640, the rotating shaft hole 641, the cross beam 650, the unlocking part 660, the rear cover 670,
A third adjustment mechanism 700.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
An infant support device according to an embodiment of the present invention will be described below with reference to fig. 1 to 30, which generally refers to a device for supporting an infant in a lying, sitting, standing or the like posture. In the embodiment of the present invention, the infant supporting device is a exercise frame 1000, and the exercise frame 1000 is used for supporting exercise and playing activities of an infant, however, the infant supporting device may be other devices, such as a deck chair, a seat, a bed, a vehicle, etc., used by an infant, which is not limited herein.
An exercise frame 1000 according to an embodiment of the present invention, as shown in fig. 2 and 3, includes: two bases 200, two connecting rods 300, a table 400, a backrest 500 and a support frame 600. The two bases 200 are arranged on the same horizontal plane at intervals, the two connecting rods 300 are arranged in one-to-one correspondence with the two bases 200, and the lower end of each connecting rod 300 is rotatably connected with the front end of the corresponding base 200. The two ends of the table 400 are respectively connected with the upper ends of the two connection bars 300, the backrest 500 is formed in an inverted U shape, and the two ends of the backrest 500 are respectively rotatably connected with the rear ends of the two bases 200. The front end of the support frame 600 is connected to at least the rear end of one base 200, and the support frame 600 is positioned on the same horizontal plane as the two bases 200.
In the description of the present invention, it should be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the embodiment of the present invention, the exercise frame 1000 is a foldable exercise frame, and the exercise frame 1000 may have two basic configurations, one is a use configuration and one is a storage configuration. Some exercise frames 1000 can have various functions when in use, and the use modes of the exercise frames 1000 can be divided into various modes according to different functions.
Since both the connection rod 300 and the backrest 500 can be rotated with respect to the base 200, the connection rod 300 and the backrest 500 can be rotated to positions corresponding to the form of the exercise frame 1000, respectively, in use. For this purpose, in the embodiment of the present invention, a lever set switching and fastening mechanism 100 is provided between at least one base 200 and the backrest 500, and the lever set switching and fastening mechanism 100 is configured to lock the backrest 500 when the backrest 500 is rotated to a set backrest angle with respect to the base 200. Also, a lever set switching and clamping mechanism 100 is provided between at least one of the bases 200 and the connecting lever 300, and the lever set switching and clamping mechanism 100 is configured to lock the connecting lever 300 when the connecting lever 300 rotates to a set lever angle with respect to the base 200.
For convenience of description, the rod group switching and fastening mechanism 100 between the backrest 500 and the base 200 is referred to as a first adjustment mechanism 100a, and the rod group switching and fastening mechanism 100 between the connection rod 300 and the base 200 is referred to as a second adjustment mechanism 100b. The deformation function of the exercise frame 1000 with the participation of the two mechanisms is described below using an example of the exercise frame 1000 shown in fig. 1-5.
In this example, the exercise frame 1000 has four variations, fig. 1 shows the storage configuration of the exercise frame 1000, fig. 2 shows the exercise configuration of the exercise frame 1000, fig. 4 shows the seating configuration of the exercise frame 1000, and fig. 5 shows the half-recliner configuration of the exercise frame 1000.
In the storage configuration, as shown in fig. 1, the connection bars 300 are substantially parallel to the base 200, two connection bars 300 are positioned between two base 200, the backrest 500 is also substantially parallel to the base 200, and the backrest 500 is folded over the base 200.
In the exercise mode, as shown in fig. 2, the upper ends of the two connection rods 300 are rotated to the front sides of the two bases 200, the angle between the connection rods 300 and the bases 200 is an obtuse angle, the upper ends of the backrest 500 can be rotated to the rear sides of the two bases 200, and the backrest 500 is substantially at an obtuse angle with respect to the bases 200.
In the seat configuration, as shown in fig. 4, the connecting rod 300 is generally perpendicular to the base 200 and the backrest 500 is also generally perpendicular to the base 200.
In the semi-reclining chair configuration, as shown in fig. 5, the connecting rod 300 is substantially perpendicular to the bases 200, and the upper ends of the backrest 500 are rotatable to the rear sides of the two bases 200, the backrest 500 being substantially at an obtuse angle to the bases 200. The angle between the backrest 500 and the base 200 in fig. 5 is smaller than the angle between the backrest 500 and the base 200 in fig. 2.
In the above four configurations of the exercise frame 1000, the backrest 500 has four angular positions with respect to the base 200, and the four angular positions are all set back angles of the backrest 500, so that the first adjusting mechanism 100a can be said to have four shift positions when adjusting the angle of the backrest 500. At these four set back angles, the first adjustment mechanism 100a can lock the back 500 to the base 200.
In the above four modes of the exercise frame 1000, the connecting rod 300 has three angular positions with respect to the base 200, and the three angular positions are all set lever angles of the connecting rod 300, so that the connecting rod 300 can be said to have three gears when being angularly adjusted. At these three set lever angles, the second adjustment mechanism 100b can lock the connecting lever 300 to the base 200.
For example, in one specific example, in the storage configuration: the included angle between the table 400 and the connecting rod 300 is about 0 degrees, the included angle between the connecting rod 300 and the base 200 is about 0 degrees, and the included angle between the backrest 500 and the base 200 is about 0 degrees;
the body building shape is as follows: the included angle between the table 400 and the connecting rod 300 is about 90 degrees, the included angle between the connecting rod 300 and the base 200 is about 150 degrees, and the included angle between the backrest 500 and the base 200 is about 150 degrees;
in the seat configuration: the included angle between the backrest 500 and the base 200 is about 90 degrees, the included angle between the connecting rod 300 and the base 200 is about 90 degrees, and the included angle between the table 400 and the connecting rod 300 is about 90 degrees;
in the semi-reclining chair configuration: the angle between the backrest 500 and the base 200 is about 120 deg., and the angle between the table 400 and the connecting rod 300 is about 90 deg..
Of course, in the embodiment of the present invention, the set rod angle of the connecting rod 300 relative to the base 200 is not limited to the above three angle positions, the connecting rod 300 can have more set rod angles relative to the base 200, and the included angle between the connecting rod 300 and the base 200 at each set rod angle is not limited to the above angle values; also, the set backrest angle of the backrest 500 with respect to the base 200 may not be limited to the four angular positions described above, and the backrest 500 may have more set backrest angles with respect to the base 200, and the angle between the backrest 500 and the base 200 at each set backrest angle is not limited to the above-described angle values. For convenience of explanation, the following description will be given by taking the example in which the first adjusting mechanism 100a locks the backrest 500 when the backrest 500 is rotated to the four set backrest angles, and the second adjusting mechanism 100b locks the connecting rod 300 when the connecting rod 300 is rotated to the three set rod angles.
In some embodiments, as shown in fig. 1-5, two ends of the table 400 are rotatably connected to upper ends of two connecting rods 300, respectively, and a third adjusting mechanism 700 is provided between an upper end of at least one connecting rod 300 and the table 400, and the third adjusting mechanism 700 is configured to lock the table 400 when the table 400 is rotated to a set table angle relative to the connecting rod 300. In the example of fig. 1, the table 400 is disposed parallel to the connecting rod 300 in the storage configuration, and in the examples of fig. 2-5, the table 400 is disposed perpendicular to the connecting rod 300 in the exercise configuration, the seating configuration, and the semi-reclining chair configuration. In the above four configurations of the exercise frame 1000, the table 400 has two angular positions with respect to the connecting rod 300, and the two angular positions are set table angles of the table 400, so that the table 400 can be said to have two gears when the angles are adjusted. At both of these set table angles, the third adjustment mechanism 700 can lock the table 400 to the connecting rod 300.
In one specific example, as shown in fig. 3, the table 400 is a dinner plate of a body-building frame, the table 400 includes a dinner plate cover 420 and a music panel 410, the dinner plate cover 420 is detachably disposed on the music panel 410, and two ends of the music panel 410 are rotatably connected to two connecting rods 300. Wherein, as shown in fig. 2, when the exercise rack 1000 is in the exercise configuration, the dinner plate cover 420 is detached from the music panel 410. As shown in fig. 1, 4 and 5, the dinner plate cover 420 is mounted on the music panel 410 when the exercise rack 1000 is in the storage, seating and semi-reclining configurations.
As can be seen from the above description, the exercise frame 1000 according to the embodiment of the invention has various shapes, can provide multiple use functions for infants, and has strong practicability. And the body-building frame 1000 is not easy to overturn, safe and reliable when in use due to the supporting function of the supporting frame 600.
In particular, and still taking the embodiment shown in fig. 1-5 as an example, the exercise rack 1000 may be configured with a cloth cover, and when the exercise rack 1000 is in the storage configuration shown in fig. 1, the cloth cover may be sleeved on the backrest 500, and the base 200, the connecting rod 300, the table 400 and the backrest 500 are all disposed substantially in parallel, and the backrest 500 covers the cloth cover on the table 400.
When the exercise frame 1000 is in the exercise configuration shown in fig. 2, the cloth cover can be covered on the support frame 600, an infant can lie on the cloth cover on the support frame 600 (equivalent to lying on the ground), then the music panel 410 is stepped on by the feet, and the U-shaped backrest 500 can be held.
When the exercise frame 1000 is in the seating configuration shown in fig. 3, the cloth cover may be covered on the backrest 500, and an infant may sit on the ground between the backrest 500, the base 200 and the connection rod 300 and then lie on the table 400 for dining.
When the exercise rack 1000 is in the semi-reclining chair configuration shown in fig. 4, the cloth cover still covers the backrest 500, and an infant can rest on the cloth cover in a semi-reclining position.
The structural composition of the key components of exercise frame 1000 will be described below in conjunction with the accompanying drawings.
In the embodiment of the invention, when the exercise frame 1000 is used, the front end of the support frame 600 is connected with the rear ends of the bases 200, and the support frame 600 and the two bases 200 are positioned on the same horizontal plane, so that the support frame 600 can increase the grounding length of the bases 200, and the exercise frame 1000 can not be turned over due to unstable gravity center when the chair form or the half-reclining chair form of the exercise frame 1000 is used, thereby improving the use safety of the exercise frame 1000.
The support frame 600 is movably coupled to the base 200 such that the support frame 600 can be unfolded or stored on the exercise frame 1000.
In some embodiments, the support frame 600 is detachably connected to the base 200, such that the support frame 600 can be detached from the base 200 when the exercise frame 1000 is received; when the body-building frame 1000 is in use, the support frame 600 can be installed at the rear end of the base 200. In the embodiment of the present invention, the support 600 may be detachably coupled to the base 200 in various structures.
For example, in one specific example shown in fig. 6 and 7, two ends of the support frame 600 are respectively connected to the base 200 by fastening boxes 610. The bottom of the base 200 is provided with a bottom groove 210 that is opened downwards, and the clamping box 610 is connected in the bottom groove 210 in a snap-fit manner, so that when the support 600 is assembled, the bottom surface of the support 600 can be leveled with the bottom surface of the base 200.
Specifically, as shown in fig. 7, a peripheral wall of one side of the bottom groove 210 is provided with an insertion hole 220, the clamping box 610 is provided with an insertion block 611 inserted into the insertion hole 220, and in fig. 7, a peripheral wall of the front side of the bottom groove 210 is provided with two insertion holes 220.
More specifically, as shown in fig. 7, a hook 230 is disposed in the bottom slot 210, the hook 230 extends into the clamping box 610, a clamping pin 612 and a reset member (not shown) are disposed in the clamping box 610, the clamping pin 612 is movable between a clamping position, in which the clamping pin 612 cooperates with the hook 230 to lock the clamping box 610, and a releasing position, in which the clamping pin 612 is separated from the hook 230, and the reset member is connected between the clamping box 610 and the clamping pin 612 to normally drive the clamping pin 612 to move toward the clamping position, and the clamping pin 612 has a pulling block 6121 extending downward out of the clamping box 610. The reset element is a spring, and the spring is arranged at the rear end of the clamping pin 612 and is used for normally driving the clamping pin 612 to slide forwards.
Thus, as shown in fig. 6, when the clamping box 610 is to be removed, the pulling block 6121 can be pulled backward at the bottom of the clamping box 610 to pull the clamping pin 612 to the releasing position, so that the clamping pin 612 is released from the clamping hook 230. The insert 611 of the cartridge 610 is then pulled out of the receptacle 220 of the base 200, and the cartridge 610 can be removed from the base 200. When the support 600 is installed, the insert 611 of the clamping box 610 is first inserted into the jack 220 on the base 200, and then the rest of the clamping box 610 is pressed into the bottom slot 210, so that the hook 230 extends into the clamping box 610, and the hook head of the hook 230 is hooked on the bayonet 612, so that the bayonet 612 can clamp the hook 230, and the clamping box 610 is locked on the base 200.
In this example, a cross member 650 is connected between the two cartridges 610, and an end of the cross member 650 is locked in the cartridges 610 by screws.
In this example, two clamping boxes 610, a cross beam 650 and a U-shaped support frame 600 form a rear support assembly of the exercise frame 1000, and the end parts of the cross beam 650 and the U-shaped support frame 600 are accommodated in the two clamping boxes 610 to realize clamping with the two clamping boxes; the clamping box 610 near the base 200 is provided with a through hole 613 for the clamping hook 230 to pass through, the through hole opening is provided with a clamping pin 612, and the clamping pin 612 can slide back and forth to realize clamping and separating with the clamping hook 230, thereby facilitating the disassembly and the installation of the rear support component; the surface of the locking box 610 facing the base 200, i.e., the upper surface of the locking box 610, is provided with a groove with a slope, which constitutes an unlocking part 660 mentioned below, the function of which will not be described in detail here.
In another specific example shown in fig. 8-10, the support frame 600 is rotatably connected to the base 200, and the base 200 is provided with a resilient clip 620 for clamping the support frame 600.
Specifically, the side walls of the two bases 200 facing each other are provided with detaching grooves 630, each detaching groove 630 has a front section 631, a rear section 633 and a middle section 632, the front section 631 and the rear section 633 are disposed at intervals from front to back and one of them penetrates the base 200 downward, the adapter shaft of the support frame 600 is disposed in the other one thereof, and the middle section 632 is connected between the front section 631 and the rear section 633.
More specifically, the exercise frame 1000 in this example also includes a rear support assembly that includes two rear covers 670, a cross member 650, a U-shaped support frame 600, and a spring clip 620. The cross beam 650 and the U-shaped support frame 600 are integrally formed and sleeved on the base 200, one end of the elastic clip 620 is fixed on the base 200, and the other end is buckled with the U-shaped support frame 600. After the U-shaped support 600 is rotated by 90 degrees, the U-shaped support 600 can be taken out and stored along the U-shaped dismounting groove 630 arranged on the base 200. When the support 600 is required to be mounted, the coupling shaft of the support 600 is mounted along the coupling groove 630, and then the support 600 is rotated by 90 ° and then is pressed with force, so that the support 600 is clamped in the elastic clamp 620.
In other embodiments, the support 600 is rotatably connected to the base 200, and when the exercise frame 1000 is stored, as shown in fig. 1, the support 600 can be rotated 180 degrees, and the support 600 is stored under the base 200 after rotation.
As shown in fig. 11 and 12, in the example, the bottoms of the two bases 200 are provided with the adapting grooves 640, the side walls of the two adapting grooves 640 are provided with the rotating shaft holes 641, the supporting frame 600 is formed in a U shape, and two ends of the supporting frame 600 are respectively inserted into the rotating shaft holes 641. In this example, the transfer slot 640 extends back through the base 200 and the transfer slot 640 extends forward through the base 200, such that in both the fig. 11 and 12 states, the bottom of the support stand 600 is flush with the bottom of the base 200 and the support stand 600 does not occupy an excessive volume. In this embodiment, the cross member 650 is connected between the two bases 200.
In some embodiments of the present invention, there may be two support frames 600, and one rotatable or detachable support frame 600 is connected to each base 200.
As shown in the example of fig. 13 and 14, each support frame 600 is formed in a substantially U shape, two adapting grooves 640 are provided at the bottom of each base 200, the two adapting grooves 640 are arranged in parallel, a shaft hole 641 is provided on the side wall of each adapting groove 640, two ends of the support frame 600 are respectively inserted into the shaft holes 641, and an elastic clip 620 for clamping the support frame 600 is further provided in the adapting groove 640. In this embodiment, the cross member 650 is connected between the two bases 200.
Of course, in the above embodiment, in the embodiment of fig. 11 to 14, the cross member 650 may be fixed to the two bases 200 by screws, and both ends of the cross member 650 may be connected to the two bases 200 by snap-fit connection.
In the embodiment of the present invention, the set backrest angle adjustable by the first adjusting mechanism 100a and the set lever angle adjustable by the second adjusting mechanism 100b may be collectively referred to as a set angle adjustable by the lever set adaptor clip mechanism 100. Of course, the rod assembly adapter locking mechanism 100 can also be applied to other infant supporting devices for locking and fixing the rod assembly at a set angle when the rod assembly rotates.
In an embodiment of the present invention, the first adjustment mechanism 100a is configured to lock the backrest 500 when the backrest 500 is rotated to a set backrest angle, and the second adjustment mechanism 100b is configured to lock the connecting rod 300 when the connecting rod 300 is rotated to the set rod angle. The functionally equivalent components herein will be referred to by the same names, and the structure and operation of the first and second adjustment mechanisms 100a and 100b will be described below with reference to the accompanying drawings.
The specific structure of the first adjusting mechanism 100a is described below with reference to fig. 15 to 20.
In some embodiments, as shown in fig. 18-20, the first adjustment mechanism 100a includes: the first rotating member 110, the second rotating member 120, the locking member 130, a locking elastic member (not shown), the operating member 140, and the catching member 142. The first rotating member 110 is disposed at the rear end of the base 200, and an opening 110c is disposed at the top of the first rotating member 110.
The second rotating member 120 is rotatably coupled to the first rotating member 110, and a movable chamber 111 is defined between the first rotating member 110 and the second rotating member 120. In fig. 15 and 16, the second rotating member 120 is provided in the first rotating member 110, and a rotating rod 126 protruding from the opening 110c is provided on the outer circumference of the second rotating member 120 to be connected to the backrest 500.
The locking member 130 is movably disposed in the first rotating member 110 between a locking position and an unlocking position, the locking member 130 is movable to the locking position when the second rotating member 120 is positioned at any one of the set backrest angles, the locking member 130 is respectively engaged with the first rotating member 110 and the second rotating member 120, and the locking member 130 is unlocked from the second rotating member 120 when the second rotating member 120 is moved to the unlocking position. The locking elastic member is connected between the first rotating member 110 and the locking member 130 to normally drive the locking member 130 to move to the locking position. The operating member 140 is movably disposed on the first rotating member 110, the operating member 140 has an operating lever 141 extending into the movable cavity 111, the locking member 142 is disposed between the operating lever 141 and the locking member 130, and the locking member 142 pushes the locking member 130 to move to the unlocking position when the operating member 140 moves.
That is, the first rotating member 110 is provided therein with the second rotating member 120 freely rotatable within a certain angular range, and the first rotating member 110 is also provided therein with the locking member 130, the locking member 130 being movable within the first rotating member 110, but the locking member 130 being not rotatable about the rotation axis of the second rotating member 120. The locking member 130 corresponds to a latch, and when the locking member 130 is located at the locking position, it corresponds to a latch inserted between the first rotating member 110 and the second rotating member 120, so that the second rotating member 120 cannot rotate; when the locking member 130 is in the unlocking position, the latch is pulled out from the second rotating member 120, and the second rotating member 120 can rotate freely. In addition, the latch can be inserted only at a specific position, so that the second rotating member 120 can be locked by the latch at a set backrest angle.
As shown in fig. 18, the operating member 140 is movably disposed outside the first rotating member 120, and the operating rod 141 on the operating member 140 extends into the movable cavity 111 through the housing of the first rotating member 110. The operating lever 141 pushes the locking member 130 through the locking member 142, and in fig. 20, the locking member 142 is integrally formed on the operating lever 141, so that the operating member 140 can directly push the locking member 130 through the operating lever 141.
When the user presses the operation member 140, the operation member 140 drives the locking member 130 to move through the operation lever 141, the locking member 130 can move from the locking position to the unlocking position, and at this time, the second rotating member 120 can rotate to another set backrest angle; when the operating member 140 is released, the locking member 130 can be returned to the locking position by the elastic force of the locking elastic member.
The first adjusting mechanism 100a has the advantages of simple structure, convenient adjustment, high reliability and wide application.
Specifically, as shown in fig. 15, 18 and 19, the first rotary member 110 includes a shaft housing 110a and a cover housing 110b, and the shaft housing 110a and the cover housing 110b are relatively engaged to form a movable chamber 111 for accommodating the second rotary member 120 and the first locking member 130. As shown in fig. 19 and 20, a support pipe 114 is provided on an inner wall of the shaft housing 110a toward the cover housing 110b, the second rotary member 120 is formed in a circular ring shape, the second rotary member 120 is sleeved on the support pipe 114, and a part of an outer edge of the second rotary member 120 is caught at an opening 110c between the shaft housing 110a and the cover housing 110b, so that the second rotary member 120 is restrained to perform a rotary motion within the first rotary member 110.
Wherein the locking member 130 and the operating member 140 are provided at both sides of the second rotating member 120, and the operating lever 141 of the operating member 140 is connected to the locking member 130 through the center of the second rotating member 120. The locking elastic member is disposed on a side of the locking member 130 away from the operating member 140, and is a spring, one end of which abuts against the first rotating member 110, and the other end of which is sleeved on the center post 133 of the locking member 130 shown in fig. 19, so as to push the locking member 130 toward the second rotating member 120.
In the example of fig. 20, the operating member 140 is movably provided on the shaft housing 110a, and the locking member 130 is provided between the cover housing 110b and the second rotating member 120. Wherein, as shown in fig. 18, the outer surface of the shaft housing 110a is provided with an operation hole 115, the operation member 140 can be accommodated in the operation hole 115, the operation rod 141 passes through the bottom wall of the operation hole 115 and extends into the housing cavity of the first rotary member 110, and the support tube 114 is sleeved on the operation rod 141.
Specifically, as shown in fig. 18 to 20, a slide bar 112 is provided in the first rotary member 110, the second rotary member 120 rotates around the slide bar 112, and the slide bar 112 passes through a center hole of the second rotary member 120. The first locking member 130 is non-rotatably sleeved on the sliding rod 112 and can slide along the sliding rod 112, and the locking elastic member often drives the locking member 130 to slide towards the second rotating member 120.
Wherein, the slide bar 112 has a cylindrical shape, one section of the slide bar 112 is provided on the shaft housing 110a, the other section of the slide bar 112 is provided on the cover housing 110b, and when the shaft housing 110a and the cover housing 110b are engaged, the two sections of the slide bar 112 are connected and fixed by a screw, thereby fixing the shaft housing 110a and the cover housing 110b together.
The number of slide bars 112 is four in fig. 17-19, the lock member 130 is provided with four slide bar perforations 132 corresponding to the four slide bars 112, so that the lock member 130 does not rotate on the slide bars 112, and the support of the plurality of slide bars 112 ensures that the lock member 130 has sufficient torsional strength.
More specifically, as shown in fig. 18 to 19, the locking member 130 is provided with a locking piece 131, and the second rotating member 120 is provided with a plurality of locking grooves 122 which are matched with the locking piece 131 at different set backrest angles. The inner circumference of the cover case 110b of the first rotary member 110 is provided with a plurality of locking grooves 122 which are engaged with the locking pieces 13. Here, for convenience of distinction, as shown in fig. 19, the locking groove 122 of the second rotary member 120, which is engaged with the locking piece 131, is referred to as a first locking groove 1221, and as shown in fig. 18, the locking groove 122 of the cover case 110b of the first rotary member 110, which is engaged with the locking piece 131, is referred to as a second locking groove 1222. That is, when the lock piece 131 is partially located in the first lock groove 1221 and partially located in the second lock groove 1222, the second rotary member 120 and the first rotary member 110 cannot rotate relative to each other, and are in the locked state; when the locking piece 131 completely enters the second locking groove 1222, the second rotating member 120 can rotate relative to the first rotating member 110, and both are in an unlocked state.
In this example, since the backrest 500 has four set backrest angles, the locking grooves 122 are provided in such a number and positions that the locking pieces 131 can be inserted into the locking grooves 122 when the second rotating member 120 is rotated to the four set backrest angles. In fig. 19, the locking member 130 is formed in a disc shape, the locking pieces 131 are provided on the outer circumferential wall of the locking member 130, and a plurality of locking pieces 131 are provided on the outer circumferential wall of the locking member 130 at intervals.
The end surface of the second rotating member 120 facing the cover case 110b is formed with a locking groove 124, the locking groove 124 is adapted to the shape of the locking member 130, a plurality of locking grooves 122 corresponding to the locking pieces 131 are formed on the inner wall of the locking groove 124, and a portion between two adjacent locking grooves 122 constitutes a protrusion 125. When the locking elastic member pushes the locking member 130 towards the second rotating member 120, the locking member 130 is locked in the locking groove 124, and the stop of the bottom wall of the locking groove 124 plays a limiting role on the locking member 130.
In some embodiments, as shown in fig. 17 and 18, the first adjustment mechanism 100a includes: and a fastening assembly 150 provided on the first rotary member 110.
When the second rotating member 120 is located at any set backrest angle and the locking member 130 is located at the unlocking position, the fastening assembly 150 and the operating rod 141 are in a completely fastened state;
When the second rotating member 120 is deviated from any set backrest angle and the locking member 130 is located at the unlocking position, the buckling assembly 150 and the operating rod 141 are in a tripped transition state;
when the second rotating member 120 is positioned at any set backrest angle and the locking member 130 is positioned at the locking position, the locking assembly 150 and the operating lever 141 are in a release state.
Specifically, when the backrest 500 is at a certain set backrest angle, the user can manually push the operating member 140, so that the second rotating member 120 is located at the set backrest angle, and the locking member 130 is located at the unlocking position, and the locking assembly 150 is movable to a fully locked state with the operating member 140. Since the latch assembly 150 latches the operating member 140, the latch member 130 remains in the unlocked position even though the latch elastic member pushes the latch member 130. At this time, the second rotating member 120 is in an automatic rotation state, and the user can rotate the backrest 500 with the hand pressing the operating member 140.
Immediately after the backrest 500 starts to rotate, the second rotating member 120 deviates from the set backrest angle, and the buckling assembly 150 moves to be in a release state with the operating member 140, but at this time, the locking piece 131 on the locking member 130 still abuts against the protrusion 125 of the second rotating member 120, that is, at this time, the locking member 130 is still in an unlocking state.
When the backrest 500 is further rotated to another set backrest angle, i.e. when the locking piece 131 on the locking piece 130 reaches a position where it cooperates with the locking groove 122 on the second rotating piece 120, the locking piece 130 can be restored to the locking position under the pushing action of the locking elastic piece. Since the operating member 140 is connected to the locking member 130, the operating member 140 is rebounded by the locking member 130.
Here, the positions of the gear block 121 and the locking groove 122 of the second rotating member 120 are also matched, and when the abutting portion 151 of the fastening assembly 150 abuts against the gear block 121 of the second rotating member 120, the locking block 131 on the locking member 130 is just matched with the locking groove 122 of the second rotating member 120.
As can be seen from the above design, the provision of the latch assembly 150 enables a user to fold the backrest 500 with one hand without affecting the multi-gear selection of the corners of the backrest 500.
Specifically, as shown in fig. 18 and 20, the lever 141 is provided with a fastening hole 143, the second rotating member 120 is provided with a plurality of gear blocks 121 disposed around the rotation axis, the plurality of gear blocks 121 correspond to a plurality of set backrest angles, and the fastening assembly 150 has an abutting portion 151 abutting against the second rotating member 120 and a fastening portion 152 abutting against the lever 141.
When the abutting portion 151 abuts against the gear block 121 and the locking member 130 is located at the unlocking position, the head end of the locking portion 152 extends into the locking hole 143;
when the abutting portion 151 is deviated from the gear block 121 and the locking member 130 is located at the unlocking position, the head end of the locking portion 152 abuts against the peripheral wall near the locking hole 143;
when the abutment portion 151 abuts against the gear block 121 and the lock 130 is in the lock position, the tip end of the lock portion 152 abuts against the peripheral wall of the lever 141.
Since the latch assembly 150 is provided on the first rotary member 110, the general position of the latch assembly 150 on the first rotary member 110 is unchanged. The inner peripheral wall of the second rotating member 120 is provided with a plurality of gear blocks 121 corresponding to the set backrest angles, and each time the second rotating member 120 rotates to one set backrest angle, the tail end of the abutting portion 151 abuts against one gear block 121, and when the second rotating member 120 rotates to the other set backrest angle, the tail end of the abutting portion 151 abuts against the other gear block 121.
In one embodiment, as shown in fig. 18 and 20, the fastening portion 152 is slidably disposed on the abutment portion 151, and the fastening assembly 150 further includes an elongated elastic member 153, where the elongated elastic member 153 is connected between the abutment portion 151 and the fastening portion 152. This configuration allows the fastener assembly 150 to be telescopic over a range of lengths.
Specifically, the fastening assembly 150 further includes a normally-abutting elastic member 154, and the normally-abutting elastic member 154 is connected between the first rotating member 110 and the abutting portion 151, so as to ensure that the abutting portion 151 abuts against the inner peripheral wall of the second rotating member 120.
As shown in fig. 20, a telescopic cavity is formed in the upper portion of the abutting portion 151, a through hole is formed in the top wall of the telescopic cavity, the fastening portion 152 is disposed in the telescopic cavity, and the top end of the fastening portion 152 extends out of the through hole. The fastening portion 152 is formed in a cylindrical shape with an open bottom, and the elongated elastic member 153 is provided in the fastening portion 152 and abuts against the abutting portion 151.
Further, the first rotating member 110 is provided with a fastening cover 160, the fastening cover 160 is disposed on a side of the shaft housing 110a facing the cover housing 110b, a portion of the fastening cover 160 extends into the second rotating member 120, and the fastening cover 160 is provided with a fastening hole 161 and an abutment hole 162.
The fastening assembly 150 is disposed in the fastening cover 160, the head of the fastening portion 152 extends from the fastening hole 161, and the tail of the abutment portion 151 extends from the abutment hole 162.
Specifically, a flange 1512 is formed at the middle part of the abutting part 151, the bottom surface of the abutting part 151 is formed into an arc surface, the normal abutting elastic member 154 is formed into a spring, the spring is sleeved on the abutting part 151, one end of the spring abuts against the flange, and the other end of the spring abuts against the buckling cover 160. When the operating member 140 is pushed toward the cover 110b, the fastening hole 161 is opposite to the fastening hole 143 of the operating lever 141, so that the top of the fastening portion 152 can extend into the fastening hole 143.
More specifically, as shown in fig. 18, the fastening cover 160 is provided with a through hole for passing through the two sliding bars 112, the fastening cover 160 is hung on the two sliding bars 112, and a cavity 163 for accommodating the fastening assembly 150 is defined between the fastening cover 160 and the shaft housing 110 a.
In some embodiments, as shown in fig. 17, 18 and 20, the second rotating member 120 is provided with an outer lock 123, and the first adjusting mechanism 100a further includes: the outer locking member 113 and an outer locking elastic member (not shown) are provided in the movable cavity 111, the outer locking member 113 is movably disposed in the movable cavity 111, the outer locking member 113 is capable of being matched with the outer lock 123 when moving towards the second rotating member 120, the outer locking member 113 has a feeler 1131 extending out of the first adjusting mechanism 100a, the outer locking elastic member is connected between the outer locking member 113 and the first rotating member 110 to normally drive the outer locking member 113 to move towards the second rotating member 120, the supporting frame 600 is detachably disposed on the base 200, and the supporting frame 600 has an unlocking portion 660 matched with the feeler 1131 to push the outer locking member 113 to be separated from the outer lock 123.
The overall structure and movement of the first adjustment mechanism 100a in one embodiment is described below with reference to fig. 15-20 and 7.
The first adjustment mechanism 100a includes: as shown in fig. 18, the first rotating member 110, the second rotating member 120, the operating member 140 and the outer locking member 113 are provided with inclined surfaces matching with the grooves of the locking box 610 on the lower feeler 1131 of the outer locking member 113, the upper end of the outer locking member 113 is provided with a locking groove 1132, and the lower part of the outer locking member 113 extends out of the through hole 231 of the base 200.
When the support frame 600 is detached from the exercise frame 1000, the outer lock elastic member (not shown) is sleeved on the cylinder 1133 of the outer lock member 113 to push the outer lock member 113, so that the clamping groove 1132 of the outer lock member 113 is clamped with the outer lock catch 123 of the second rotating member 120, and after the clamping, the second rotating member 120 cannot rotate. When the upper support frame 600 is installed, the inclined surface of the groove on the clamping box 610 abuts against the inclined surface of the lower end of the outer locking member 113, and abuts against the outer locking member 113 to move in a direction away from the second rotating member 120, so as to disengage from the clamping connection of the second rotating member 120, and realize the rotation of the second rotating member 120.
After the support frame 600 is disassembled, the second rotating member 120 is kept fixed, so that the user is prevented from rotating the U-shaped backrest 500 when the support frame 600 is not in the exercise state, namely, if the support frame 600 is not installed, the user cannot rotate the U-shaped backrest 500, the situation that the seat form and the half-reclining chair form are used under the condition that the support frame 600 is not in the support frame 600 (easy to roll over) is avoided, and the U-shaped backrest 500 can be rotated only when the support frame 600 is installed, so that the safety is improved.
Specifically, the first rotating member 110 includes a shaft housing 110a and a cover housing 110b, wherein the shaft housing 110a is provided with a cavity for accommodating the snap assembly 150, and the snap assembly 150 can spring up and down in the cavity; the cover case 110b is provided with a cavity accommodating the locking member 130.
The inner ring of the second rotating member 120 near the operating member 140 is provided with four gear blocks 121, and the surface far away from the operating member 140 is provided with a plurality of locking grooves 122 and a plurality of protruding blocks 125.
The outer circumference of the locking member 130 is provided with a plurality of locking pieces 131, the locking pieces 131 can be matched with the locking grooves 122 of the second rotating member 120, and then a spring is sleeved at the center post 133 of the locking member 130 shown in fig. 19.
The buckling assembly 150 comprises an abutting part 151 and a buckling part 152, wherein an accommodating cavity is formed in the upper end of the abutting part 151 and used for accommodating the buckling part 152, and a spring is sleeved outside the accommodating cavity; the fastening portion 152 is provided with a spring therein, and the fastening portion 152 can spring up and down in the accommodating cavity.
The operating member 140 is fixedly connected with the locking member 130, and a fastening hole 143 is formed on a surface of the operating member 140 contacting the fastening assembly 150 for the fastening portion 152 of the fastening assembly 150 to extend into the fastening connection.
In the initial state, the abutting portion 151 of the fastening assembly 150 abuts against the gear block 121 of the second rotating member 120, and the fastening portion 152 abuts against the operating member 140. When the gear is to be adjusted, the operating member 140 is pushed by hand, and the locking member 130 is pushed to move because the locking member 130 is connected to the operating member 140. At this time, the fastening portion 152 of the fastening assembly 150 extends into the fastening hole 143 of the operating member 140 under the action of the elastic force, so as to prevent the operating member 140 from rebounding; meanwhile, the locking piece 131 of the locking piece 130 is disengaged from the locking groove 122 of the second rotating piece 120, and thus, the one-hand operation of rotating the U-shaped backrest 500 can be achieved.
When the abutting portion 151 of the buckling component 150 is located between the two gear blocks 121 of the second rotating component 120, the buckling component 150 is separated from the buckling hole 143 under the action of elastic force, and the operating component 140 rebounds a part, because the locking piece 131 of the locking component 130 abuts against the protruding block 125 of the second rotating component 120 at this time, the operating component 140 rebounds a part, the buckling portion 152 of the buckling component 150 deviates from the buckling hole 143, and the head end of the buckling portion 152 abuts against the peripheral wall of the clamping component 142 around the buckling hole, so that the buckling component 150 cannot completely rebound. When the fastening portion 152 extends into the fastening hole 143 to be fastened, the locking member 130 is spaced from the surface of the protruding block 125 by a distance at least greater than 1mm.
The U-shaped backrest 500 is continuously rotated, the U-shaped backrest 500 drives the second rotating member 120 to rotate, when the abutting portion 151 of the buckling component 150 is located at the next gear block 121 of the second rotating member 120, at this time, the locking piece 131 of the locking piece 130 is matched with the next locking groove 122, the locking piece 130 pushes the operating piece 140 outwards under the action of elastic force, the abutting portion 151 of the buckling component 150 abuts against the gear block 121 of the second rotating member 120, and the buckling portion 152 abuts against the operating piece 140, so that gear adjustment is completed.
It can be appreciated that each base 200 is provided with a first rotating member 110, and the fastening assembly 150 can be disposed in one first rotating member 110, or the fastening assembly 150 can be disposed in each first rotating member 110. That is, the fastening assembly 150 may be provided on one side or on both sides. When the single side is arranged, the operating piece 140 provided with the buckling component 150 is pressed down, and then the operating piece 140 of the other side, which is not provided with the buckling component 150, is kept pressed down, so that gear adjustment is realized; when the two sides are arranged, the operating parts 140 on the two sides are pressed down, so that gear adjustment is realized.
Of course, the latch assembly 150 may not be provided, and the both side operating members 140 may be kept pressed to achieve the gear adjustment.
The specific structure of the second adjusting mechanism 100b is described below with reference to fig. 21 to 30.
In some embodiments, as shown in fig. 21-30, the second adjustment mechanism 100b includes: the first rotating member 110, the second rotating member 120, the locking member 130, a locking elastic member (not shown), the operating member 140, the locking member 142, and the locking assembly 150 provided on the first rotating member 110.
In the second adjusting mechanism 100b shown in fig. 21, the first rotary member 110 is integrally formed at the front end of the base 200, and the base 200 can be said to constitute the first rotary member 110. The second rotating member 120 is integrally formed at the lower end of the connecting rod 300, and the connecting rod 300 may be said to constitute the second rotating member 120.
As shown in fig. 24, the second rotating member 120 is rotatably coupled to the first rotating member 110, and a movable chamber 111 is defined between the first rotating member 110 and the second rotating member 120.
In fig. 23, the first rotating member 110 is provided with a sliding rod 112, the second rotating member 120 is disposed around the sliding rod 112, and the locking member 130 is sleeved on the sliding rod 112 and can slide along the sliding rod 112. The locking member 130 is formed in a disc shape, and a slide bar penetrating hole 132 penetrating the slide bar 112 is formed in the locking member 130.
Specifically, the second rotating member 120 is provided with a stepped hole 171, and the second adjusting mechanism 100b further includes a rotating post 172, wherein the rotating post 172 is cylindrical and is clamped in the stepped hole 171, and the sliding rod 112 extends into the stepped hole 171 and is connected to the rotating post 172, so that the second rotating member 120 can be rotatably connected to the first rotating member 110.
As shown in fig. 23 and 24, the lock member 130 is movably provided in the movable chamber 111 between the lock position and the unlock position.
When the second rotating member 120 is located at any set lever angle, the locking member 130 is movable to a locking position, and the locking member 130 is respectively engaged with and locked with the first rotating member 110 and the second rotating member 120; when the locking member 130 moves to the unlocking position, the locking member 130 is unlocked from one of the first and second rotating members 110 and 120.
The locking elastic member is connected between the second rotating member 120 and the locking member 130 to normally drive the locking member 130 to move to the locking position. The operating member 140 is movably disposed on the first rotating member 110, the operating member 140 has an operating lever 141 extending into the movable cavity 111, the locking member 142 is disposed between the operating lever 141 and the locking member 130, and the locking member 142 pushes the locking member 130 to move to the unlocking position when the operating member 140 moves.
That is, the first rotating member 110 is provided with the second rotating member 120 which is freely rotatable within a certain angle range, and the second rotating member 120 is further provided with the locking member 130 therein, and the locking member 130 is movable within the second rotating member 120, but the locking member 130 is not rotatable about the rotation axis of the second rotating member 120. The locking member 130 corresponds to a latch, and when the locking member 130 is located at the locking position, it corresponds to a latch inserted between the first rotating member 110 and the second rotating member 120, so that the second rotating member 120 cannot rotate; when the locking member 130 is in the unlocking position, the latch is pulled out from the first rotating member 110, and the second rotating member 120 can rotate freely. In addition, the latch can be inserted only at a specific position, so that the second rotary member 120 can be locked by the latch at a set lever angle.
As shown in fig. 21 and 24, the operating member 140 is movably disposed outside the first rotating member 120, and the operating lever 141 on the operating member 140 extends into the movable chamber 111 through the housing of the first rotating member 110. As shown in fig. 23, the lever 141 pushes the locking member 130 through the engaging member 142.
When the user presses the operation member 140, the operation member 140 drives the locking member 130 to move through the clamping member 142, the locking member 130 can move from the locking position to the unlocking position, and at this time, the second rotating member 120 can rotate to another set lever angle; when the operating member 140 is released, the locking member 130 can be returned to the locking position by the elastic force of the locking elastic member.
The second adjusting mechanism 100b has the advantages of simple structure, convenient adjustment, high reliability and wide application.
Specifically, as shown in fig. 23 and 24, the first rotary 110 includes: the outer case 110d and the inner case 110e, and the outer case 110d and the inner case 110e are covered with each other to form a case of the base 200. The operating member 140 is disposed on the outer housing 110d, the second rotating member 120 is connected to the inner housing 110e, an outer cavity 111d for accommodating the locking member 142 is formed between the outer housing 110d and the inner housing 110e, an inner cavity 111e for accommodating the locking member 130 is formed between the inner housing 110e and the second rotating member 120, a through hole is disposed on the inner housing 110e, and a pushing post 144 penetrating through the through hole is disposed on the locking member 142, where the pushing post 144 is used for pushing the locking member 130 to move.
In this case, a part of the inner case 110e protrudes toward the second rotating member 120 to form a holding cover, so to speak, a holding cover 156 connected to the first rotating member 110 is provided in the movable chamber 111, the holding cover 156 is opened at one end toward the operating member 140, the locking member 130 is sleeved on the holding cover 156, the holding cover 156 corresponds to the slide bar 112, and a screw hole for connecting to the rotating post 172 is provided at an end of the holding cover 156.
As shown in fig. 22 and 25, the locking member 130 and the operating member 140 are provided on the same side of the second rotating member 120. In the example of fig. 21 and 22, the operating member 140 is movably provided on the housing 110d, the outer surface of the housing 110d is provided with the operating hole 115, the operating member 140 is receivable in the operating hole 115, and the operating rod 141 extends into the outer chamber 111d through the bottom wall of the operating hole 115.
As shown in fig. 22, four sliding holes 158 are formed in the inner side of the holding cover 156, the locking member 142 is formed as a cylinder body which is opened toward one side of the locking member 130, four push posts 144 are formed on the outer periphery of the cylinder body, and the four push posts 144 are respectively inserted into the four sliding holes 158, so that the locking member 142 is ensured to move along the direction of the rotation axis of the second rotating member 120. The lever 141 of the operating member 140 can be stopped against the end surface of the cylinder of the locking member 142 when moving.
More specifically, as shown in fig. 23, 25 and 27, the locking member 130 is provided with a locking piece 131, and a stepped hole 171 of the second rotary member 120 is formed in a shape corresponding to the locking member 130 at one end facing the first rotary member 110, so that the locking member 130 can be completely accommodated in the stepped hole 171 and the locking member 130 is not rotatable with respect to the second rotary member 120.
The first rotating member 110 is provided with a plurality of locking grooves 122 matching with the locking blocks 131 at different setting rod angles, specifically, the end face of the inner housing 110e facing the second rotating member 120 is formed with a locking groove 124, the locking groove 124 is matched with the shape of the locking member 130, the inner wall of the locking groove 124 is formed with a plurality of locking grooves 122 corresponding to the locking blocks 131, and a part between two adjacent locking grooves 122 forms a bump 125. When the locking elastic member pushes the locking member 130 towards the first rotating member 110, the locking member 130 is locked in the locking groove 124, and the stop of the bottom wall of the locking groove 124 plays a limiting role on the locking member 130.
In some embodiments, as shown in fig. 22-24, the second adjustment mechanism 100b includes: and a fastening assembly 150 provided on the first rotary member 110.
When the second rotating member 120 is located at any set lever angle and the locking member 130 is located at the unlocking position, the fastening assembly 150 and the fastening member 142 are in a completely fastened state;
When the second rotating member 120 is deviated from any set lever angle and the locking member 130 is located at the unlocking position, the buckling assembly 150 and the clamping member 142 are in a tripped transition state;
when the second rotating member 120 is located at any set lever angle and the locking member 130 is located at the locking position, the locking assembly 150 and the locking member 142 are in the release state.
Specifically, when the connecting rod 300 is at a certain set lever angle, the user can manually push the operating member 140, so that the second rotating member 120 is located at the set lever angle, and the locking member 130 is located at the unlocking position, and at this time, the locking assembly 150 is movable to a fully locked state with the locking member 142. Since the latch assembly 150 locks the latch 142, the latch 130 remains in the unlocked position even though the latch spring pushes the latch 130. At this time, the second rotating member 120 is in an automatic rotation state, and the user can rotate the connection lever 300 with a hand pressing the operating member 140.
Immediately after the connecting rod 300 starts to rotate, the second rotating member 120 deviates from the set rod angle, the buckling assembly 150 and the clamping member 142 are in the release state, but at this time, the locking piece 131 on the locking piece 130 still abuts against the protruding block 125 of the second rotating member 120, so that the locking piece 130 is still clamped in the unlocking position.
The locking member 130 rotates synchronously with the second rotating member 120, and when the connecting rod 300 continues to rotate to another set rod angle, i.e. when the locking piece 131 on the locking member 130 reaches a position to be matched with the locking groove 122 on the first rotating member 110, the locking member 130 can return to the locking position under the pushing of the locking elastic member.
Here, the positions of the gear block 121 and the locking groove 122 of the first rotating member 110 are also matched, and when the abutting portion 151 of the fastening assembly 150 abuts against the gear block 121 of the second rotating member 120, the locking block 131 on the locking member 130 is just matched with the locking groove 122 of the first rotating member 110.
As can be seen from the above design, the buckling assembly 150 can enable the user to fold the connecting rod 300 with one hand, and does not affect the multi-gear selection of the corners of the connecting rod 300.
Specifically, as shown in fig. 22 to 24, the fastening member 142 is provided with a fastening hole 143, the second rotating member 120 is provided with a plurality of gear blocks 121 disposed around the rotation axis, the plurality of gear blocks 121 correspond to a plurality of set lever angles, and the fastening assembly 150 has an abutting portion 151 abutting against the second rotating member 120 and a fastening portion 152 abutting against the fastening member 142.
When the abutting portion 151 abuts against the gear block 121 and the locking member 130 is located at the unlocking position, the head end of the locking portion 152 extends into the locking hole 143;
When the abutting portion 151 is deviated from the gear block 121 and the locking member 130 is located at the unlocking position, the head end of the locking portion 152 abuts against the peripheral wall near the locking hole 143;
when the abutment portion 151 abuts against the gear block 121 and the lock 130 is at the lock position, the head end of the lock portion 152 abuts against the peripheral wall of the lock 142.
Since the latch assembly 150 is provided on the first rotary member 110, the general position of the latch assembly 150 on the first rotary member 110 is unchanged. The end surface of the second rotating member 120 is provided with a gear block 121 corresponding to a plurality of setting lever angles, and each time the second rotating member 120 rotates to one setting lever angle, the abutting part 151 abuts against one gear block 121, and when the second rotating member 120 rotates to the other setting lever angle, the abutting part 151 abuts against the other gear block 121.
In some specific embodiments, as shown in fig. 27, a plurality of gear blocks 121 are provided on an end surface of the second rotary member 120 at intervals, and as shown in fig. 29 and 30, an abutment 151 is provided movably in the movable chamber 111 in the direction of the rotation axis of the second rotary member 120. The surface of the abutment portion 151 facing the operation element 140 is formed with a sliding surface 1511, the sliding surface 1511 extends in the direction of the operation element 140 in the direction of the rotation axis of the second rotation element 120, the engagement portion 152 is slidably engaged with the sliding surface 1511, and the engagement member 142 is sleeved on the engagement portion 152.
Specifically, as shown in fig. 22, 23 and 29, the fastening assembly 150 includes: the fastening box 155 and the fastening elastic member (not shown) are arranged on the side wall of the fastening box 155, which is far away from the rotation axis of the second rotating member 120, and the fastening box 155 is matched on the sliding surface 1511, the fastening through hole 161 is arranged on the side wall of the fastening box 155, the fastening part 152 and the fastening elastic member are arranged in the fastening box 155, and the fastening elastic member is used for normally driving the head part of the fastening part 152 to extend out of the fastening through hole 161.
More specifically, the abutting portion 151 is provided with a plurality of sliding surfaces 1511 disposed around the rotation axis of the second rotating member 120, each sliding surface 1511 is provided with a corresponding fastening box 155, a fastening portion 152, and a fastening elastic member, and an elastic member (not shown) for pulling the fastening boxes 155 together is connected between at least two fastening boxes 155. With this structure, the fastening portion 152 and the fastening member 142 can have a buffering effect when fastened.
Further, an abutment hole 162 is provided in the peripheral wall of the holding cap 156, the engagement assembly 150 is positioned in the holding cap 156, the head of the abutment 151 protrudes from the abutment hole 162, and a part of the engagement member 142 is slidably provided in the holding cap 156. In this way, the retaining cap 156 acts as a movable rail for the snap assembly 150.
Still further, the second adjusting mechanism 100b further includes: a retainer 157 connected to the retaining cap 156, the retainer 157 being positioned between the clip 142 and the snap assembly 150 to define the snap assembly 150 within the retaining cap 156, the retainer 157 and the retaining cap 156 defining a range of motion of the snap assembly 150.
The overall structure and movement of the second adjustment mechanism 100b in one embodiment is described below in conjunction with fig. 21-30.
As shown in fig. 21, the base 200 is connected to the link 300, and the portion of the base 200 connected to the link 300 constitutes the second adjustment mechanism 100b. As shown in fig. 22 and 23, the second adjustment mechanism 100b includes an operating member 140, a clip 142, a snap assembly 150, and a lock member 130. Wherein, the periphery of the locking piece 130 is provided with a plurality of locking blocks 131, one side surface is provided with a plurality of convex columns 134, and the convex columns 134 are sleeved with springs (not shown in the figure); the inner diameters of the connecting rod 300 and the base 200 are provided with locking grooves 122 matched with the locking blocks 131, and the inner diameter surface of the connecting rod 300 is also provided with a plurality of gear blocks 121; the fastening assembly 150 includes an abutting portion 151, a fastening portion 152 and a fastening box 155, wherein the fastening portion 152 extends from one end of the fastening box 155, and is connected with the fastening box 155 through a spring, and the two fastening boxes 155 are connected through a tension spring.
When the connecting rod 300 needs to be rotated, the operating member 140 is pressed, the operating member 140 pushes the clamping member 142, and the clamping member 142 pushes the locking member 130, so that the locking member 130 completely enters the connecting rod 300; when the operating member 140 is pressed, the locking portion 152 enters the locking hole 143 on the surface of the locking member 142, thereby locking the locking member 142 and preventing the operating member 140 from rebounding.
The connecting rod 300 is rotated, the abutting portion 151 is separated from the gear block 121 on the inner diameter surface of the connecting rod 300, and because the two buckling boxes 155 of the clamping portion are connected through the tension spring, under the action of the tension force of the spring, the two buckling boxes 155 move towards each other, the two buckling portions 152 are partially separated from the buckling holes 143 on the surface of the clamping piece 142, the locking piece 130 is partially rebounded (when the locking piece 130 enters the stepped hole 171 of the connecting rod 300, a certain gap is formed between the locking piece 130 and the base 200, and the gap is larger than 1 mm), and the locking piece 142 is partially rebounded.
Similar to the first adjustment mechanism 100a, when the connecting rod 300 has not been rotated to the corresponding gear, the locking piece 131 of the locking piece 130 abuts against the surface of the base 200, but cannot enter the locking groove 122 of the inner diameter of the base 200 to rebound completely, and when the locking piece 130 pushes the locking piece 142 to rebound partially, the locking piece cannot align with the buckling hole 143 of the locking piece 142; when the connecting rod 300 rotates to the next gear block 121 to abut against the abutting portion 151, the locking block 131 of the locking member 130 is matched with the locking groove 122 of the base 200 to rebound completely, the clamping member 142 and the operating member 140 are pushed to restore to the initial state, and the rotation is completed.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (11)
1. The utility model provides an infant strutting arrangement's pole group switching card solid mechanism which characterized in that includes:
a first rotating member;
a second rotating member rotatably coupled to the first rotating member; the first rotating piece and the second rotating piece define a movable cavity therebetween;
the locking piece is movable between a locking position and an unlocking position, the locking piece can move to the locking position to be respectively locked with the first rotating piece and the second rotating piece when the second rotating piece is positioned at any set angle, and the locking piece is unlocked with one of the first rotating piece and the second rotating piece when the second rotating piece moves to the unlocking position;
the locking elastic piece is used for normally driving the locking piece to move to a locking position;
an operating member movably provided on the first rotating member;
The clamping piece is arranged between the operating piece and the locking piece, and when the operating piece moves, the clamping piece pushes the locking piece to move to an unlocking position;
the buckling component is arranged on the first rotating piece, and buckled with the clamping piece when the second rotating piece is positioned at a set angle and the locking piece is positioned at an unlocking position, and is tripped with the clamping piece when the second rotating piece deviates from the set angle and the locking piece is positioned at the unlocking position;
the second rotating piece is in a circular ring shape, the locking piece and the operating piece are positioned on two sides of the second rotating piece, and the clamping piece penetrates through the second rotating piece to be connected with the locking piece.
2. The adapter-clamping mechanism of the rod set of the infant supporting device according to claim 1, wherein the clamping piece is provided with a buckling hole, the second rotating piece is provided with a plurality of gear blocks which are arranged around the rotating axis, the gear blocks correspond to a plurality of set angles, the buckling component is provided with an abutting part which is abutted against the second rotating piece and a buckling part which is abutted against the clamping piece,
When the abutting part abuts against the gear block and the locking piece is located at the unlocking position, the head end of the buckling part stretches into the buckling hole;
when the abutting part abuts against the gear block and the locking piece is located at the locking position, the head end of the buckling part abuts against the peripheral wall of the clamping piece.
3. The pole set adaptor clip mechanism of claim 2, wherein the clip portion is slidably disposed on the abutment portion, the clip assembly further comprising an elongate resilient member connected between the abutment portion and the clip portion.
4. The rod group switching and clamping mechanism of the infant supporting device according to claim 3, wherein the clamping piece penetrates through the second rotating piece to be connected with the locking piece, the plurality of gear blocks are arranged on the inner peripheral wall of the second rotating piece at intervals, a buckling cover extending into the second rotating piece is arranged on the first rotating piece adjacent to the clamping piece, and buckling holes and abutting holes are formed in the buckling cover;
the buckling component is arranged in the buckling cover, the head part of the buckling part extends out of the buckling perforation, and the tail part of the abutting part extends out of the abutting perforation.
5. The lever group switching and fastening mechanism of the infant supporting device according to claim 2, wherein the plurality of gear blocks are provided on an end face of the second rotating member at intervals, the abutting portion is provided in the movable chamber movably in a direction of a rotation axis of the second rotating member, a sliding surface is formed on a surface of the abutting portion facing the operating member, the sliding surface extends in a direction of the operating member toward the rotation axis of the second rotating member, the fastening portion is slidably fitted on the sliding surface, and the fastening member is sleeved on the fastening portion.
6. The post set adaptor clip mechanism of an infant support device of claim 5, wherein the snap assembly comprises: the buckling box is matched with the sliding surface, a through hole is formed in the side wall, far away from the rotation axis of the second rotating piece, of the buckling box, the buckling part and the buckling elastic piece are arranged in the buckling box, and the buckling elastic piece is used for normally driving the head of the buckling part to extend out of the through hole.
7. The rod assembly switching and clamping mechanism of the infant supporting device according to claim 6, wherein a plurality of sliding surfaces which are arranged around the rotation axis of the second rotating member are arranged on the abutting portion, the corresponding buckling boxes, the buckling portions and the buckling elastic members are arranged on each sliding surface, and elastic members for pulling the buckling boxes to be close to each other are connected between at least two buckling boxes.
8. The post set adaptor clip mechanism of an infant support device of claim 6, further comprising: the retainer is positioned between the clamping piece and the buckling assembly to limit the buckling assembly in the retainer cover.
9. The lever assembly switching and fastening mechanism of the infant supporting device according to claim 5, wherein a movable cavity is defined between the first rotating member and the second rotating member, a retaining cover connected to the first rotating member is provided in the movable cavity, the retaining cover is opened toward one end of the operating member, an abutment hole is provided in a peripheral wall of the retaining cover, the fastening assembly is located in the retaining cover, a head of the abutment portion protrudes from the abutment hole, the locking member is sleeved on the retaining cover, and a part of the fastening member is slidably provided in the retaining cover.
10. The adapter clip mechanism of claim 1, wherein the first rotating member has a slide bar, the second rotating member is disposed around the slide bar, the locking member is sleeved on the slide bar and is slidable along the slide bar,
The locking piece is provided with a locking piece, and the first rotating piece and the second rotating piece are provided with a plurality of locking grooves matched with the locking piece at different setting angles.
11. The stem pack adaptor clip mechanism of an infant support device of claim 10, wherein the plurality of slide bars are spaced apart, the locking member is formed in a disc shape, and a plurality of slide bar perforations are provided in the locking member, each perforation passing through a plurality of slide bars.
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CN201710301749.3A CN108784135B (en) | 2017-05-02 | 2017-05-02 | Rod group switching clamping mechanism of infant supporting device |
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CN201710301749.3A CN108784135B (en) | 2017-05-02 | 2017-05-02 | Rod group switching clamping mechanism of infant supporting device |
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CN205963563U (en) * | 2016-06-03 | 2017-02-22 | 董许明 | Folding infant's dining chair |
CN207821527U (en) * | 2017-05-02 | 2018-09-07 | 广东奥迪动漫玩具有限公司 | The bar group switching clamping mechanism of infant's support device |
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TW200533536A (en) * | 2004-02-19 | 2005-10-16 | Combi Corp | Locking mechanism of child car seat and child car seat securing apparatus of stroller |
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CN2599182Y (en) * | 2002-12-30 | 2004-01-14 | 台湾福兴工业股份有限公司 | Locking device for bathroom and lavatory lock |
CN101664252A (en) * | 2009-09-22 | 2010-03-10 | 广东奥飞动漫文化股份有限公司 | Foldable and deformable bassinet basket |
DE102015102538A1 (en) * | 2015-02-23 | 2016-08-25 | Cybex Gmbh | Collapsible child seat and stroller with such a child seat |
CN204764531U (en) * | 2015-06-18 | 2015-11-18 | 宁波贝驰儿童用品有限公司 | Improve joint adjustment mechanism and child dinning chair thereof |
CN205963563U (en) * | 2016-06-03 | 2017-02-22 | 董许明 | Folding infant's dining chair |
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