CN210760768U - Detachable high-speed railway infant seat - Google Patents

Abstract

The utility model belongs to the technical field of the safety seat and specifically relates to a detachable high-speed railway infant seat is related to. This detachable high-speed railway infant seat includes: seat support, back of the chair, headrest, base, angle adjusting part, spacing subassembly. The application provides a detachable high-speed railway infant seat has adopted fixed subassembly, angle adjusting subassembly, spacing subassembly and pivot, sets up on high-speed railway seat through base detachably, and base and seat support are rotatable and spacing to be connected, can be based on the inclination of demand rotating base and the regulation back of the chair, demand when being applicable to the infant and sitting or lying when taking advantage of the high-speed railway. Adopt headrest adjusting part in this application embodiment, can adjust the height of headrest during the use, be applicable to the infant of height difference.

Description

Detachable high-speed railway infant seat

Technical Field

The application relates to the field of safety seats, in particular to a detachable high-speed rail infant seat.

Background

In the process of traveling on high-speed rail, passengers carrying infants often seat one seat. The problem that the child cries cannot be avoided, parents can often make noises to the child, the child can not be stopped from mismatching, riding experience of most passengers is affected, and various inconveniences are easily caused when the child is held for a long time.

Therefore, a detachable child seat suitable for riding high-speed rail is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a detachable high-speed railway infant seat to solve the aforementioned problem that exists among the prior art.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a detachable high-speed railway infant seat, including the seat support, with seat support pivot connection's the back of the chair and telescopic headrest still include: the base comprises an upper base and a lower base fixedly connected with the upper base, the upper base is detachably arranged on a backrest of the high-speed rail seat, and the lower base is rotatably and in limit connection with the seat; the angle adjusting component is arranged at the joint of the chair seat and the chair back and used for adjusting the inclination angle of the chair back.

Further, still include fixed subassembly, fixed subassembly includes a plurality of settings and is in the fixture block and a plurality of settings of going up the base side are in the draw-in groove of back side, the fixture block can block into correspondingly the draw-in groove, so that the base is connected on the high-speed railway seat.

Furthermore, two telescopic rods are arranged at the bottom of the headrest, and the telescopic rods are inserted into the chair back and can slide along the length direction of the chair back.

Further, still include headrest adjusting part, headrest adjusting part includes a pair of intermeshing's first gear and rack, wears to establish transfer line on the back of the chair and with transfer line fixed connection's adjust knob, the rack sets up the side of telescopic link, first gear ring is established on the transfer line.

Furthermore, the headrest adjusting assembly further comprises a ratchet mechanism, and the ratchet mechanism comprises a ratchet wheel annularly arranged at the end part of the transmission rod and a pawl matched with the ratchet wheel; the chair back is provided with an adjusting groove, a first spring is arranged in the adjusting groove, the first end of the first spring is fixedly connected with the chair back, and the second end of the first spring is fixedly connected with the pawl through a connecting part.

Furthermore, a positioning cavity is arranged in the chair seat, the angle adjusting component comprises an adjusting shaft arranged on the chair seat in a penetrating manner, a second gear, a positioning block, a pull rod and a pair of second springs arranged in the positioning cavity, the first end of the adjusting shaft is fixedly connected with the chair back, and the second end of the adjusting shaft is inserted into the positioning cavity; the second gear ring is arranged at the second end of the adjusting shaft, the first end of the positioning block is provided with a positioning tooth, and the positioning tooth is meshed with the first gear.

Furthermore, a first end of the second spring is fixedly connected with the seat, and a second end of the second spring is fixedly connected with a second end of the positioning block; the first end of the pull rod is fixedly connected with the side face of the positioning block, the second end of the pull rod penetrates through the seat and extends outwards to form a section, and the pull rod can drive the positioning block to reciprocate along the length direction of the seat.

Further, still include spacing subassembly, spacing subassembly is including setting up the first spacing hole of seat support bottom, the spacing hole of second and setting are in spacing round pin on the base down, the first end of spacing round pin can be gone into first spacing hole or the spacing hole of second, the second end can be in follow in the base down the direction of height of base is reciprocating motion down.

Furthermore, the limiting assembly further comprises a third spring and a cover plate, the first end of the third spring is fixedly connected with the second end of the limiting pin, the second end of the third spring is fixedly connected with the cover plate, and the cover plate is detachably connected with the lower base.

Furthermore, a push-pull groove is formed in the lower base, a push rod is arranged on one side of the limiting pin, the first end of the push rod is detachably connected with the limiting pin, the second end of the push rod penetrates through the push-pull groove and extends out to form a section, and the push rod can push the limiting pin to do reciprocating motion along the height direction of the lower base

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

1. adopted in this application embodiment to realize fixed subassembly, angle adjusting part, spacing subassembly and pivot, base detachably sets up on the high-speed railway seat, and base and seat support are rotatable and spacing to be connected, can be according to the inclination of demand rotating base and the regulation back of the chair, and the demand when being applicable to the infant and sitting or lying when taking advantage of the high-speed railway.

2. Adopt headrest adjusting part in this application embodiment, can adjust the height of headrest during the use, be applicable to the infant of height difference.

Drawings

Fig. 1 is a schematic structural view of a detachable high-speed rail child seat according to an embodiment of the present application;

FIG. 2 is a left side view of a child seat according to an embodiment of the present application;

fig. 3 is a schematic structural diagram of a fixing assembly in an embodiment of the present application, in which fig. 3a is a schematic structural diagram of a fixture block, and fig. 3b is a schematic structural diagram of a card slot;

FIG. 4 is an enlarged view of a portion A of FIG. 2;

FIG. 5 is a schematic view of the head restraint adjustment assembly of the present application;

FIG. 6 is a schematic structural diagram of a rack and a second gear in an embodiment of the present application;

FIG. 7 is a schematic structural view of portion B of FIG. 5;

FIG. 8 is an enlarged view of a portion C of FIG. 2;

FIG. 9 is an enlarged view of a portion D of FIG. 1;

fig. 10 is a partial enlarged view of portion E of fig. 2;

fig. 11 is a partially enlarged view of portion F in fig. 1.

Description of the reference numerals

1-a base, 2-a chair back, 21-an installation cavity, 3-a chair seat, 301-a first limiting hole, 302-a second limiting hole, 4-a headrest, 41-a telescopic rod, 5-a safety belt, 6-an adjusting buckle, 7-a pedal, 8-a fixing component, 81-a clamping block, 82-a clamping groove and 9-a rotating shaft;

10-headrest adjustment assembly, 101-rack, 102-first gear, 103-ratchet, 104-adjustment knob, 105-transmission rod, 106-pawl, 107-first spring, 108-adjustment groove, 109-connecting part;

11-upper base, 12-lower base;

13-angle adjusting component, 131-positioning cavity, 132-adjusting shaft, 133-second gear, 134-positioning block, 135-second spring, 136-pull rod, 137-positioning groove and 138-positioning tooth;

14-a limiting component, 141-a limiting groove, 142-a limiting pin, 143-a third spring, 144-a cover plate, 145-a push rod and 146-a push-pull groove;

15-baffle, 16-backrest.

Detailed Description

In order that the above objects, features and advantages of the present application can be more clearly understood, a more particular description of the present application will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.

Fig. 1-11 show schematic structural views of a detachable high-speed rail child seat provided by the present invention. For convenience of description, the terms "upper", "lower", "left" and "right" are used in the same way as the drawings, but do not limit the structure of the present invention.

As shown in fig. 1-3, a detachable high-speed rail infant seat includes a seat 3, a backrest 2, a headrest 4, a base 1 and an angle adjustment assembly 13. Wherein, the base 1 is L-shaped as a whole and comprises an upper base 11 and a lower base 12. The upper base 11 and the lower base 12 are processed into an integrated structure, so that the structure is more stable. The base 1 is connected to a high-speed rail seat through a fixing assembly 8, the fixing assembly 8 comprises a plurality of clamping blocks 81 (for example, 3) and a plurality of clamping grooves 82 (for example, 3), the plurality of clamping blocks 81 are arranged on the side surface of the upper base 11, which faces away from the lower base 12, and the clamping blocks 81 include, but are not limited to, an "L" shape; a plurality of clamping grooves 82 are pre-installed at the rear side of the backrest 16 of the high-speed rail seat, the clamping grooves 82 are matched with the clamping blocks 81, and the clamping blocks 81 are clamped into the corresponding clamping grooves 82, so that the whole base 1 can be fixed on the high-speed rail seat.

The seat 3 is connected with the lower base 12 through a rotating shaft 9; the first end of the rotating shaft 9 is fixedly connected with the seat 3, and the second end is connected with the lower base 12 through a bearing, so that the seat 3 can rotate along the plane of the lower base 12. The chair back 2 is pivotally connected with the chair seat 3, and one side of the chair back 2 is provided with an angle adjusting component 13, so that the angle of the chair back 2 can be adjusted, and the chair is suitable for the requirements of sitting and lying of infants. The baffle plate 15 arranged on the chair back 2 can ensure the stability and the safety of the infant and prevent the infant from inclining and falling. The infant seat is provided with the safety belt 5, the safety belt 5 can be clamped into the adjusting buckle 6 when the infant seat is used, and the length of the safety belt 5 is adjustable, so that the sitting safety of an infant is guaranteed, and the infant seat is suitable for the sitting or lying requirements of the infant. The end part of the chair seat 3 is provided with a pedal 7, and the upper end surface of the pedal 7 is arc-shaped, so that the infant can conveniently tread.

And a headrest 4 provided on the upper side of the seat back 2. The headrest 4 is filled with memory cotton, so that the comfort level of the infant is improved while the infant is protected.

As shown in fig. 4-7, the seat back 2 is provided with a mounting cavity 21. The bottom of headrest 4 is provided with two telescopic links 41, and two telescopic links 41 are inserted in the installation cavity 21 on back of the chair 2, and telescopic link 41 can reciprocate in installation cavity 21 through headrest adjusting part 10, realizes the altitude mixture control of headrest 4. The headrest adjustment assembly 10 includes a first gear 102 and rack 101, a drive link 105, an adjustment knob 104, and a ratchet mechanism. The number of the first gears 102 and the number of the racks 101 are two, the corresponding first gears 102 and the corresponding racks 101 are meshed with each other, and the two racks 101 are respectively arranged on the side surfaces of the two telescopic rods 41; the transmission rod 105 is arranged on the chair back 2 in a penetrating mode, a first end of the transmission rod 105 is connected with the chair back 2 through a bearing, and a second end of the transmission rod passes through the installation cavity 21 and extends out to form a section. The two first gears 102 are annularly arranged on the transmission rod 105, and the height adjustment of the two telescopic rods 41 can be realized only by rotating the second end of the transmission rod 105 through the mutually meshed first gear 102, the rack 101 and the transmission rod 105.

The seat back 2 is provided with an adjustment groove 108 having an opening at one end, and the opening of the adjustment groove 108 faces the extending direction of the second end of the transmission lever 105. The ratchet mechanism comprises a ratchet wheel 103, a pawl 106 and a first spring 107, the ratchet wheel 103 is arranged at the second end of the transmission rod 105 in a surrounding mode, and the pawl 106 is matched with the ratchet wheel 103 and can limit rotation of the transmission rod 105. The first spring 107 is disposed in the adjustment groove 108, and a first end of the first spring 107 is fixedly connected to the seat back 2, and a second end thereof is fixedly connected to the pawl 106 through a connecting portion 109. The connecting portion 109 has a first end inserted into the adjustment slot 108 and a second end extending through the adjustment slot 108 and fixedly connected to the pawl 106. An adjusting knob 104 is fixedly connected to one side of the ratchet 103, which is back to the transmission rod 105, when the seat back adjusting mechanism is used, the pawl 106 is pressed into the seat back 2, the first spring 107 is contracted, the pawl 106 is separated from the ratchet 103, the transmission rod 105 is driven to rotate by rotating the adjusting knob 104, and the height adjustment of the headrest 4 can be realized by matching the first gear 102 and the rack 101. After the adjustment is completed, the pawl 106 is released, and under the action of the first spring 107, the pawl 106 rebounds and is clamped into the ratchet 103 to realize locking.

As shown in fig. 8 to 9, the angle adjustment assembly 13 in the embodiment of the present application includes an adjustment shaft 132, a second gear 133, a positioning block 134, a pull rod 136, and a pair of second springs 135. A positioning cavity 131 is formed in the seat 3, and the second gear 133, the positioning block 134 and the second spring 135 are disposed in the positioning cavity 131. The first end of the adjusting shaft 132 is fixedly connected to the backrest 2, and the second end thereof is inserted into the positioning cavity 131 of the seat 3. The second gear 133 is disposed around an end of the adjusting shaft 132, and a first end of the positioning block 134 is provided with a positioning tooth 138, and the positioning tooth 138 is engaged with the first gear 102, so that locking can be achieved after the tilt angle of the seat back 2 is adjusted.

The first end of the second spring 135 is fixedly connected with the seat 3, and the second end is fixedly connected with the second end of the positioning block 134; the side of the seat 3 is provided with a positioning groove 137, the first end of the pull rod 136 is fixedly connected with the side of the positioning block 134, and the second end passes through the positioning groove 137 and extends outward to form a section. When the chair back 2 is used, the pull rod 136 can move rightwards in the positioning groove 137 to drive the second spring 135 to move rightwards, and simultaneously drive the positioning teeth 138 on the positioning block 134 to be separated from the second gear 133, so that the inclination angle of the chair back 2 can be adjusted.

As shown in fig. 10 and 11, the embodiment of the present application further includes a limiting assembly 14, where the limiting assembly 14 includes a first limiting hole 301, a second limiting hole 302, a limiting pin 142, a third spring 143, a cover plate 144, and a push rod 145; the first limiting hole 301 and the second limiting hole 302 are arranged at the bottom of the seat 3; the lower base 12 is provided with a limiting groove 141 with an upward opening, a first end of the limiting pin 142 penetrates through the limiting groove 141 and extends upward and can be clamped into the first limiting hole 301 and the second limiting hole 302, and a second end of the limiting pin is inserted into the limiting groove 141 of the lower base 12, so that locking when the seat 3 is rotated is achieved. When the seat 3 is flush with the lower base 12, the first end of the limit pin 142 is engaged in the first limit hole 301, and when the seat 3 rotates 90 degrees, the limit pin 142 is engaged in the second limit hole 302. The cover plate 144 is detachably disposed on the bottom of the lower base 12 in various ways, such as a screw connection, a pin connection, or a snap connection. The third spring 143 is disposed in the limiting groove 141, a first end of the third spring 143 is fixedly connected to a second end of the limiting pin 142, and a second end of the third spring 143 is fixedly connected to the cover plate 144.

The lower base 12 is further provided with a push-pull groove 146, one side of the limit pin 142 is provided with a push rod 145, a first end of the push rod 145 is in threaded connection with the limit pin 142, and a second end of the push rod 145 penetrates through the push-pull groove 146 and extends out to a certain extent. When the seat is used, the push rod 145 drives the limiting pin 142 to move downwards to extrude the third spring 143 to contract, the first end of the limiting pin 142 is separated from the first limiting hole 301 or the second limiting hole 302, the seat 3 can be rotated to a required position, after the adjustment is completed, the push rod 145 is loosened, the acting force of the third spring 143 drives the limiting pin 142 to return, and the locking is realized.

All can set up seat cover and cushion on headrest 4, the back of the chair 2 and the seat support 3 in this application embodiment, and seat cover and cushion all can be dismantled and change, conveniently clear up and clean, keep the clean and tidy of seat.

The working principle of one embodiment of the application is as follows: before use, an operator pre-installs the card slot 82 on the back of the high-speed rail seat back 16.

When the infant needs to be carried, a user clamps the clamping block 81 on the back surface of the upper base 11 into the clamping groove 82, and connects the infant seat to the high-speed rail seat; the user pulls the pull rod 136 rightwards to drive the positioning block 134 to move rightwards, the second spring 135 is compressed, the positioning teeth 138 on the positioning block 134 are separated from the second gear 133, the chair back 2 is pushed until the chair back 2 and the chair seat 3 are in a 90-degree position, the pull rod 136 is loosened, the positioning teeth 138 on the positioning block 134 are clamped into the second gear 133 again under the acting force of the second spring 135, and locking is achieved.

The user presses the pawl 106 into the chair back 2, the first spring 107 is compressed, the pawl 106 is separated from the ratchet wheel 103, the adjusting knob 104 is rotated to drive the first gear 102 on the transmission rod 105 to rotate, and then the rack 101 is driven to move upwards until the headrest 4 is adjusted to a proper height, and the sitting requirement of the infant can be met.

When the child needs to lie down for rest, the user pushes the push rod 145 downwards, the third spring 143 is compressed, the end of the limit pin 142 is separated from the first limit hole 301, and the seat 3 is rotated for 90 degrees; the push rod 145 is loosened, the limit pin 142 returns under the acting force of the third spring 143, and the end part of the limit pin 142 is clamped into the second limit hole 302; the user pulls the pull rod 136 rightwards to drive the positioning block 134 to move rightwards, the second spring 135 is compressed, the positioning teeth 138 on the positioning block 134 are separated from the second gear 133, the chair back 2 is pushed until the chair back 2 and the chair seat 3 are in a 150-degree position, the pull rod 136 is loosened, the positioning teeth 138 on the positioning block 134 are clamped into the second gear 133 again under the action of the second spring 135, and locking is achieved.

To sum up, the detachable high-speed railway infant seat that this application provided has adopted fixed subassembly, angle adjusting part, spacing subassembly and pivot, and base detachably sets up on high-speed railway seat, and base and seat support are rotatable and spacing connection, can be according to the inclination of demand rotating base and the regulation back of the chair, the demand when being applicable to the infant and sitting or lying when taking advantage of the high-speed railway. Adopt headrest adjusting part in this application embodiment, can adjust the height of headrest during the use, be applicable to the infant of height difference.

In this application, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the present application, the description of the terms "one embodiment," "some embodiments," "specific embodiments," 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 application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a detachable high-speed railway infant seat, including the seat support, with seat support pivot connection's the back of the chair and telescopic headrest, its characterized in that includes:

the base comprises an upper base and a lower base fixedly connected with the upper base, the upper base is detachably arranged on a backrest of the high-speed rail seat, and the lower base is rotatably and in limit connection with the seat;

the angle adjusting component is arranged at the joint of the chair seat and the chair back and used for adjusting the inclination angle of the chair back.

2. The detachable high-speed rail child seat according to claim 1, further comprising a fixing component, wherein the fixing component comprises a plurality of clamping blocks arranged on the side surface of the upper base and a plurality of clamping grooves arranged on the side surface of the backrest, and the clamping blocks can be clamped into the corresponding clamping grooves, so that the base is connected to the high-speed rail child seat.

3. The detachable high-speed rail infant seat as claimed in claim 2, wherein the bottom of the headrest is provided with two telescopic rods, and the telescopic rods are inserted into the seat back and can slide along the length direction of the seat back.

4. The detachable high-speed rail infant seat as claimed in claim 3, further comprising a headrest adjusting assembly, wherein the headrest adjusting assembly comprises a pair of first gears and a rack which are meshed with each other, a transmission rod which is arranged on the seat back in a penetrating manner, and an adjusting knob which is fixedly connected with the transmission rod, the rack is arranged on the side surface of the telescopic rod, and the first gears are annularly arranged on the transmission rod.

5. The detachable high-speed rail infant seat according to claim 4, wherein the headrest adjusting assembly further comprises a ratchet mechanism, the ratchet mechanism comprises a ratchet wheel annularly arranged at the end of the transmission rod and a pawl matched with the ratchet wheel; the chair back is provided with an adjusting groove, a first spring is arranged in the adjusting groove, the first end of the first spring is fixedly connected with the chair back, and the second end of the first spring is fixedly connected with the pawl through a connecting part.

6. The detachable high-speed rail child seat according to claim 4, wherein a positioning cavity is provided in the seat, the angle adjusting assembly comprises an adjusting shaft penetrating through the seat, a second gear, a positioning block, a pull rod and a pair of second springs, the second gear, the positioning block, the pull rod and the pair of second springs are provided in the positioning cavity, a first end of the adjusting shaft is fixedly connected with the seat back, and a second end of the adjusting shaft is inserted into the positioning cavity; the second gear ring is arranged at the second end of the adjusting shaft, the first end of the positioning block is provided with a positioning tooth, and the positioning tooth is meshed with the first gear.

7. The detachable high-speed infant seat as claimed in claim 6, wherein a first end of the second spring is fixedly connected to the seat, and a second end of the second spring is fixedly connected to the second end of the positioning block; the first end of the pull rod is fixedly connected with the side face of the positioning block, the second end of the pull rod penetrates through the seat and extends outwards to form a section, and the pull rod can drive the positioning block to reciprocate along the length direction of the seat.

8. The detachable high-speed rail child seat according to any one of claims 1 to 7, further comprising a limiting component, wherein the limiting component comprises a first limiting hole and a second limiting hole which are arranged at the bottom of the seat, and a limiting pin arranged on the lower base, a first end of the limiting pin can be clamped into the first limiting hole or the second limiting hole, and a second end of the limiting pin can reciprocate in the lower base along the height direction of the lower base.

9. The detachable high-speed rail child seat according to claim 8, wherein the limiting assembly further comprises a third spring and a cover plate, a first end of the third spring is fixedly connected with a second end of the limiting pin, a second end of the third spring is fixedly connected with the cover plate, and the cover plate is detachably connected with the lower base.

10. The detachable high-speed rail child seat as claimed in claim 9, wherein a push-pull slot is formed on the lower base, a push rod is disposed on one side of the limit pin, a first end of the push rod is detachably connected to the limit pin, a second end of the push rod passes through the push-pull slot and extends outward to form a section, and the push rod can push the limit pin to reciprocate along the height direction of the lower base.

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