CN110626414A - Frame folding linkage mechanism and baby carriage frame thereof - Google Patents
Frame folding linkage mechanism and baby carriage frame thereof Download PDFInfo
- Publication number
- CN110626414A CN110626414A CN201810651314.6A CN201810651314A CN110626414A CN 110626414 A CN110626414 A CN 110626414A CN 201810651314 A CN201810651314 A CN 201810651314A CN 110626414 A CN110626414 A CN 110626414A
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- frame
- seat
- foot rest
- folding linkage
- front leg
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
- B62B9/10—Perambulator bodies; Equipment therefor
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The invention discloses a frame folding linkage mechanism which is suitable for a baby frame, wherein the baby frame comprises a seat fixing seat connected with a front foot rest, and the frame folding linkage mechanism comprises a clamping structure and a shifting piece; the clamping structure is arranged between the seat fixing seat and the front foot rest and limits the seat fixing seat to slide relative to the front foot rest; the poking piece is fixedly arranged on the rear foot rest, and when the front foot rest and the rear foot rest are pivoted and folded, the rear foot rest drives the poking piece to move relative to the clamping structure so as to drive the clamping structure to release the limitation on the seat fixing seat. Therefore, when the baby carriage frame is folded, the shifting piece drives the clamping structure to release the limit of the seat fixing seat, so that the seat fixing seat can slide to the position with the minimum folding volume relative to the front foot rest, the folding volume of the baby carriage frame is conveniently reduced, and the requirements of users are met. The invention also discloses a baby carriage frame.
Description
Technical Field
The present invention relates to a stroller, and more particularly to a folding linkage mechanism for a stroller frame and a stroller frame thereof.
Background
When a user drives a stroller to go out with an infant, the stroller is usually folded and placed in a trunk, and then opened to carry the infant after the user arrives at a destination. Generally, a trunk space of a home car is limited, and a stroller occupies a large storage space even when it is folded.
Therefore, whether the opening and closing of the stroller are convenient and the folded volume of the stroller is small enough are important considerations affecting the selection of the stroller by the user. Therefore, it is necessary to provide a stroller that is convenient to fold and has a small volume to meet the higher and higher requirements of users.
Disclosure of Invention
The invention aims to provide a baby carriage which is convenient to fold and has a small folded volume so as to meet the higher and higher requirements of users.
In order to achieve the purpose, the invention discloses a baby carriage frame, which comprises a seat fixing seat connected with a front foot rest, wherein the carriage folding linkage mechanism comprises a clamping structure and a poking part; the clamping structure is arranged between the seat fixing seat and the front foot rest and limits the seat fixing seat to slide relative to the front foot rest; the poking piece is fixedly arranged on the rear foot rest, and when the front foot rest and the rear foot rest are pivoted and folded, the rear foot rest drives the poking piece to move relative to the clamping structure so as to drive the clamping structure to release the limitation on the seat fixing seat.
Compared with the prior art, the frame folding linkage mechanism provided by the invention has the advantages that the seat fixing seat is arranged in a sliding manner relative to the front foot rest, the seat fixing seat is limited by the clamping structure, when the baby frame is folded, the poking piece fixedly connected to the rear foot rest moves relative to the clamping structure, and then the clamping structure is driven to release the limit of the seat fixing seat, so that the seat fixing seat can slide relative to the front foot rest. According to the frame folding linkage mechanism provided by the invention, the limit of the seat fixing seat is released through the folding of the front foot rest and the rear foot rest, and the folding material volume of the baby frame is smaller under the condition of not increasing the operation difficulty through the sliding of the seat fixing seat relative to the front foot rest, so that the requirements of users are met.
Preferably, the fastening structure is arranged in the seat fixing seat, and the fastening structure includes a fastening piece which can movably extend out of the seat fixing seat and is fastened in a fastening groove arranged on the front foot rest; the poking piece drives the clamping piece to exit from the clamping groove.
Specifically, the clamping structure further comprises a pivoting piece; the pivot component comprises a pivot part pivoted to the seat fixing seat, and a connecting part and a driving part which are respectively arranged at the left side and the right side of the pivot axis, the connecting part is linked with the clamping component, and when the toggle component drives the pivot component to pivot relative to the seat fixing seat through the driving part, the connecting part drives the clamping component to exit from the clamping groove; the driving part is operated by the poking part, so that the pivoting part pivots relative to the seat fixing seat, the connecting part drives the clamping part to exit from the clamping groove, the seat fixing seat is separated from the limit of the front foot rest, and the seat fixing seat can slide along the front foot rest to reduce the folding volume of the baby carriage frame.
Furthermore, the pivot portion is a protruding structure protruding from the connecting portion and the driving portion, so that when the engaging member is pivoted in the seat holder, the connecting portion and the driving portion on the left and right sides of the pivot portion form a seesaw structure, and when the toggle member operates the driving portion and drives the pivot member to pivot, the connecting portion and the engaging member interlocked with the connecting portion are driven to withdraw from the engaging groove.
Specifically, one side of the driving part corresponding to the toggle piece is provided with a transition surface and a driving surface, and the driving surface is positioned on one side of the transition surface, which is far away from the pivot part; the transition surface and the driving surface are clamped to form a reflex angle; the driving surface and the transition surface are clamped and arranged in a reflex angle mode, and the aim is to enable the position and the angle of the driving surface to be driven by the stirring piece more easily.
Specifically, one end of the engaging member is fixedly connected to the connecting portion.
Specifically, preceding foot rest is provided with the spread groove along length direction, the seat fixing base correspond be provided with the slip joint in the link block in the spread groove.
Specifically, the connecting groove comprises a groove cavity part and an opening part communicated with the groove cavity part, and the connecting slider penetrates through the opening part and is connected in the groove cavity part in a sliding mode.
Specifically, the clamping groove is formed in the bottom of the connecting groove.
Specifically, the engaging member is disposed on one side of the connecting slider in the sliding direction.
Specifically, the toggle piece comprises a fixed connecting part fixedly connected with the rear foot rest and a toggle part protruding into the seat fixing seat.
Specifically, an avoiding groove for the shifting portion to pass through is formed in one side of the seat fixing seat, and the driving portion stretches into the avoiding groove in a protruding mode.
Preferably, the structure further comprises an elastic member for making the engaging member have a tendency to be engaged in the engaging groove.
Specifically, the member is a torsion spring arranged at the pivot part, or an extension spring arranged between the seat fixing seat and the clamping member.
In order to achieve the above object, the present invention further discloses a stroller frame, which comprises a front leg frame, a stroller frame disposed at the upper end of the front leg frame and capable of extending and retracting relative to the front leg frame, a rear leg frame disposed at the rear side of the front leg frame and capable of pivoting relative to the front leg frame, a seat fixing seat connected to the front leg frame, and a frame folding linkage mechanism as described above.
Compared with the prior art, the baby carriage frame provided by the invention has the advantages that the carriage frame folding linkage mechanism is arranged, the seat fixing seat which is arranged on the front foot rest in a sliding mode can be limited, the seat fixing seat is kept fixed relative to the front foot rest, and when the baby carriage frame is folded, the carriage frame folding linkage mechanism releases the limit of the seat fixing seat along with the pivoting and folding of the front foot rest and the rear foot rest, so that the seat fixing seat slides to a proper position relative to the front foot rest, the folding material volume of the baby carriage frame is reduced as much as possible under the condition that the operation difficulty is not increased, and the requirements of users are met.
Preferably, the baby carriage frame further comprises a seat bearing frame, and two sides of the seat bearing frame are respectively and fixedly connected in a detachable mode through seat fixing seats arranged on the front foot rest; the seat bearing frame can be a seat part of an infant, the seat bearing frame can be conveniently connected to or taken down from the seat fixing seat, and a user can conveniently switch between different states.
Preferably, the stroller frame further comprises a basket tube, the basket tube is pivoted to the rear foot rest and clamped to the front foot rest, and a triangular structure is formed by connecting three points, namely a pivot point of the front foot rest and the rear foot rest, a pivot point of the basket tube and the rear foot rest and a clamping point of the basket tube and the front foot rest, so that the stroller frame is kept in an open state.
Specifically, a clamping part for clamping the front foot rest is arranged in the vegetable basket pipe, and a lock releasing structure for driving the clamping part to be separated from the front foot rest is arranged in the vegetable basket pipe.
Specifically, the basket pipe is U-shaped, two ends of the basket pipe are respectively clamped to the front foot rest, and an operation portion used for controlling the lock releasing structure is arranged on one side, far away from the front foot rest, of the basket pipe.
Drawings
Fig. 1 is a schematic structural view of a stroller frame according to the present invention.
Fig. 2 is a schematic view of the stroller frame of the present invention at another angle.
FIG. 3 is a side view of the stroller frame of the present invention.
Fig. 4 is a schematic view of the internal structure of the stroller frame of the present invention.
Fig. 5 is an enlarged view of a portion a in fig. 4.
Fig. 6 is a schematic view of the stroller frame of the present invention with the seat carrier removed.
Fig. 7 is a schematic view of the stroller frame of the present invention at another angle with the seat carrier removed.
Fig. 8 is an enlarged view of a portion B in fig. 7.
Fig. 9 is a schematic structural view of the seat holder.
Fig. 10 is an exploded view of the seat holder.
Figure 11 is a cross-sectional schematic view of a front foot frame.
Fig. 12 is a schematic view of the engaging structure disposed in the seat fixing base.
Fig. 13 and 14 are schematic views of the foldable middle state of the stroller frame according to the present invention.
Fig. 15 is a schematic view of the final folding state of the stroller frame according to the present invention.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
As shown in fig. 1 to 4, the stroller frame of the present invention includes a front foot rest 100, a rear foot rest 200, a stroller frame 300, a basket tube 400, a seat carrier 500, a seat holder 600, and a frame folding linkage 700. Wherein, the handle frame 300 is arranged at the upper end of the front foot rest 100 and can be extended and retracted relative to the front foot rest 100; the rear foot rest 200 is arranged at the rear side of the front foot rest 100 and can be folded relative to the front foot rest 100 in a pivoting way; the basket pipe 400 is connected to the rear sides of the front and rear foot frames 100 and 200, and is used for positioning the basket so as to carry articles; the seat fixing base 600 is slidably connected to the front leg frame 100, and is relatively fixed to the front leg frame 100 through the frame folding linkage mechanism 700; the seat carrier 500 serves as a seat for supporting an infant and is detachably coupled to the seat holder 600. The frame folding linkage mechanism 700 provided by the invention is arranged between the front foot rest 100 and the rear foot rest 200, and limits the sliding of the seat fixing seat 600 relative to the front foot rest 100 when the baby frame is unfolded and releases the limitation on the seat fixing seat 600 when the baby frame is folded, so that the folding material volume of the baby frame can be reduced as much as possible by enabling the seat fixing seat 600 to slide along the front foot rest 100 without increasing the operation difficulty. As shown in fig. 5 to fig. 15, more specifically:
the stroller frame shown in fig. 1-4 is collapsible. Specifically, the handle frame 300 is connected to the upper end of the front leg frame 100 and can be extended and retracted relative to the front leg frame 100, when the stroller frame is in the expanded state, the handle frame 300 extends upward out of the front leg frame 100 as shown in fig. 3, and when the stroller frame is folded, the handle frame 300 retracts inward of the front leg frame 100 as shown in fig. 14 to reduce the volume; the upper ends of the front foot rest 100 and the rear foot rest 200 are pivoted, when the stroller frame is in an open state, the front foot rest 100 and the rear foot rest 200 are pivoted relatively to form a herringbone structure as shown in fig. 3, and when the stroller frame is folded, the front foot rest 100 and the rear foot rest 200 are pivoted relatively to be folded as shown in fig. 14; the front section of the basket tube 400 is pivotally connected to the rear foot rest 200, the front end of the basket tube 400 is fastened to the front foot rest 100, the rear section of the basket tube 400, which is positioned by the front foot rest 100 and the rear foot rest 200 together, is in a protruding suspended state so as to position the basket or suspend the bag, and when the stroller frame is folded, the basket tube 400 is disengaged from the fastening with the front foot rest 100 and pivots relative to the rear foot rest 200, as shown in fig. 14.
As shown in fig. 1 to 6, the basket tube 400 is U-shaped, the front sections of the two parallel straight side tubes of the basket tube 400 are respectively pivoted to the rear foot frames 200 at the left and right sides, and the end sections of the two side tubes of the basket tube 400 are clamped to the front foot frame 100. The U-shaped bottom of the basket pipe 400 is positioned at the rear side of the front and rear foot rests 100 and 200 for supporting a basket or hanging articles. When the stroller frame is unfolded, as shown in fig. 3, the three points of the pivot point of the front and rear leg frames 100 and 200, the pivot point of the basket tube 400 and the rear leg frame 200, and the engagement point of the basket tube 400 and the front leg frame 100 are connected to form a triangular structure, and the unfolded state of the stroller frame is kept stable by using the triangular stable structure. When the stroller frame is folded, the ends of the two side tubes of the basket tube 400 can be disengaged from the front leg frame 100, so that the front leg frame 100 and the rear leg frame 200 which are no longer supported and positioned can be relatively pivoted and folded, as shown in fig. 6.
Further, as shown in fig. 4 and 5, engaging portions 420 for engaging with the front foot rest 100 are provided in the two side pipes of the basket pipe 400, and a lock releasing structure 430 for driving the engaging portions 420 to be engaged with the front foot rest 100 is provided in the basket pipe 400. In this embodiment, as shown in fig. 2, an operation portion 410 for controlling the release structure 430 is disposed on a side of the basket tube 400 away from the front foot rest 100, and the operation portion 410 is located at the U-shaped bottom of the basket tube 400, so that a user can conveniently drive the operation portion 410 to control the ends of the tubes at two sides of the basket tube 400 to disengage from the front foot rest 100, thereby folding the stroller frame.
In order to further reduce the volume of the stroller frame to be folded, the seat fixing base 600 can slide along the front leg frame 100 in the stroller frame provided by the invention, so that when the stroller frame is folded, the seat fixing base 600 can slide to any desired position along the front leg frame 100, thereby further reducing the volume of the stroller frame to be folded. Specifically, as shown in fig. 8 to 11, the front foot frame 100 is provided with a connecting groove 120 along the length direction, the connecting groove 120 includes a groove cavity portion 121 and an opening portion 122 communicating with the groove cavity portion 121, so that the connecting groove 120 forms a linear groove with a larger inner cavity and a smaller opening; referring to fig. 9 and 10, the seat fixing base 600 is correspondingly provided with a protruding connection slider 610 toward the front leg 100, and the connection slider 610 passes through the opening 122 and is slidably connected to the inside of the cavity portion 121, so that the connection slider 610 is slidably engaged with the connection slot 120, and the seat fixing base 600 and the front leg 100 are slidably connected.
It is understood that the seat holder 600 is capable of supporting the seat carrier 500 when the stroller frame is in the unfolded state, and should be fixedly disposed relative to the front foot stool 100. Therefore, the invention also provides a frame folding linkage mechanism 700. The frame folding linkage mechanism 700 can keep the seat holder 600 fixed relative to the front leg frame 100 when the stroller frame is unfolded, and can release the restriction on the seat holder 600 when the stroller frame is folded, without increasing the operation difficulty.
Specifically, as shown in fig. 8, the frame folding linkage 700 provided by the present invention includes a toggle member 710 and a locking structure. The engaging structure 720 is disposed between the seat fixing seat 600 and the front leg frame 100 to limit the sliding of the seat fixing seat 600 relative to the front leg frame 100, the toggle member 710 is fixedly disposed on the rear leg frame 200, and when the stroller frame is folded and the front leg frame 100 and the rear leg frame 200 are pivoted and folded relative to each other, the actuated toggle member 710 moves relative to the engaging structure 720 and drives the engaging structure 720 to release the limitation on the seat fixing seat 600, and at this time, the seat fixing seat 600 can slide to any position relative to the front leg frame 100, so as to reduce the folded material volume of the stroller frame as much as possible.
Referring to fig. 9 and 10, the engaging structure 720 is disposed in the seat holder 600, and at least a portion of the engaging structure 720 extends out of the seat holder 600 and is engaged with the front leg 100 to limit the relative sliding between the seat holder 600 and the front leg 100. Specifically, the engaging structure 720 includes an engaging member 721 and a pivoting member 722, wherein the engaging member 721 is disposed in the seat holder 600, and one end of the engaging member 721 movably extends out of the seat holder 600; the front frame 100 is correspondingly provided with an engaging slot 110, and the engaging member 721 can be movably engaged with the engaging slot 110, so as to achieve the purpose of limiting the seat holder 600 from sliding relative to the front frame 100.
More specifically, as shown in fig. 10 and 12, the pivot member 722 includes a pivot portion 722a pivotally connected to the seat holder 600, and a connecting portion 722b and a driving portion 722c respectively disposed at the left and right sides of the pivot axis, the connecting portion 722b is linked with the engaging member 721, and when the toggle member 710 drives the pivot member 722 to pivot relative to the seat holder 600 via the driving portion 722c, the connecting portion 722b drives the engaging member 721 to exit from the engaging groove 110; the toggle member 710 operates the driving portion 722c to pivot the pivot member 722 relative to the seat holder 600, and the connecting portion 722b drives the engaging member 721 to exit from the engaging groove 110, so that the seat holder 600 is separated from the position of the front leg 100, and the seat holder 600 can slide along the front leg 100 to reduce the volume of the stroller frame. Specifically, one end of the engaging member 721 is fixedly connected to the connecting portion 722 b.
Further, as shown in fig. 12, the pivot portion 722a is a protrusion protruding from the connecting portion 722b and the driving portion 722c, so when the engaging member 721 is pivoted in the seat holder 600, the connecting portion 722b and the driving portion 722c on the left and right sides of the pivot portion 722a form a seesaw structure, and when the driving portion 722c on one end of the seesaw is driven by the toggle member 710, the connecting portion 722b on the other end of the seesaw and the engaging member 721 interlocked with the connecting portion 722b are driven to drive the engaging member 721 out of the engaging groove 110.
Specifically, as shown in fig. 12, the driving portion 722c has a transition surface 722c1 and a driving surface 722c2 on the side corresponding to the toggle member 710, and the driving surface 722c2 is located on the side of the transition surface 722c1 facing away from the pivot portion 722 a; the transition surface 722c1 and the driving surface are clamped to form a reflex angle; the driving surface 722c2 and the transition surface 722c1 are disposed at a reflex angle so that the driving portion 722c can be easily driven by the toggle member 710 at a position and an angle.
As shown in fig. 12, the toggle member 710 includes a fixed connection portion 711 fixedly connected to the rear foot stand 200 and a toggle portion 712 protruding into the seat holder 600; as shown in fig. 9-11, the seat fixing base 600 is provided with an avoiding groove 620 through which the toggle portion 712 passes, and the driving portion 722c of the pivoting member 722 extends into the avoiding groove 620. When the front stand 100 and the rear stand 200 are pivoted and folded relatively, the toggle member 710 fixedly disposed on the rear stand 200 and the engaging mechanism 720 fixed relative to the front stand 100 are driven to move relatively, the toggle portion 721 correspondingly extends into the avoiding groove 620 and drives the driving portion 722c in the avoiding groove 620 to move, the driving portion 722c moves in the direction of the front stand 100 and leaves the avoiding groove 620, the driven pivot member 722 pivots relative to the seat fixing base 600 so that the connecting portion 722b at the other end of the pivot member 722 moves in the direction away from the front stand 100, and the engaging member 721 fixedly connected with the connecting portion 722b is driven to exit from the engaging groove 110, thereby releasing the limitation on the sliding of the seat fixing base 600 relative to the front stand 100.
Preferably, as shown in fig. 9 and 10, the engaging member 721 has a tendency to extend out of the seat holder 600, so that the seat holder 600 can be kept extending out of the seat holder 600 without external force, so that the engaging connection with the engaging groove 110 is reliable, and the limited seat holder 600 will not slide along the front leg 100. Usually, the action tendency of the engaging member 721 extending out of the seat holder 600 can be realized by an elastic member, which makes the engaging member 721 always have the action tendency of being engaged into the engaging groove 110. For example, a torsion spring may be sleeved in the pivot portion 722a, so that the pivot member 722 always keeps the driving portion 722c away from the front foot rest 100 and the connecting portion 722b toward the front foot rest 100, so as to drive the engaging member 721 to keep extending out of the seat fixing base 600; an extension spring may also be disposed between the inner side surface of the seat holder 600 and the engaging member 721, and the engaging member 721 can have a tendency to extend out of the seat holder 600 by the pulling force of the extension spring.
With reference to fig. 1 to 15, a detailed description will be made of the process of the stroller frame and the frame folding linkage mechanism thereof according to the present invention:
when the stroller frame is kept in an open state, as shown in fig. 1 to 4, the front foot rest 100 and the rear foot rest 200 are pivoted and opened to form a herringbone shape, the handle frame 300 extends upwards out of the front foot rest 100, the front section of the basket tube 400 is pivoted with the rear foot rest 200, and the front end of the basket tube 400 is clamped with the front foot rest 100, so that the open state of the stroller frame is stable; the engaging structure 720 disposed in the seat holder 600 limits the seat holder 600 from sliding relative to the front foot rest 100, so that the seat holder 600 is fixed in position and can be connected to and position the seat carrier 500;
when the stroller frame needs to be folded, as shown in fig. 6 and 7, the operating portion 410 at the rear side of the basket tube 400 is pressed to disengage the front end of the basket tube 400 from the front foot frame 100, the stroller frame is as shown in fig. 13, at this time, the front foot frame 100 and the rear foot frame 200 can be folded by pivoting relatively, the toggle member 710 fixedly connected to the rear foot frame 200 moves relative to the engaging structure 720, extends into the avoiding groove 620 and drives the driving surface 722c2 extending into the avoiding groove 620, so that the driving portion 722c moves in the direction of the front foot frame 100 and leaves the avoiding groove 620, the driven pivoting member 722 pivots relative to the seat fixing base 600, the connecting portion 722b at the other end of the pivoting member 722 moves in the direction away from the front foot frame 100, and drives the engaging member 721 fixedly connected with the connecting portion 722b to exit from the engaging groove 110, so as to release the limitation of the seat fixing base 600 sliding relative to the front foot frame 100, as shown in fig. 14; subsequently, the seat holder 600 is slid along the front leg 100 to a proper position, as shown in fig. 15, to fold the stroller frame.
Compared with the prior art, the stroller frame and the frame folding linkage mechanism 700 thereof provided by the invention can be conveniently opened or folded, when the stroller frame is opened, the seat fixing seat 600 slidably connected to the front foot rest 100 is limited by the frame folding linkage mechanism 700 and is kept fixed relative to the front foot rest 100, and when the stroller frame is folded, the front foot rest 100 and the rear foot rest 200 which are relatively pivoted and folded drive the clamping mechanism 720 fixedly arranged on the front foot rest 100 and the toggle piece 710 arranged on the rear foot rest 200 to relatively move, so that the clamping mechanism 720 releases the limit on the seat fixing seat 600, and the seat fixing seat 600 can slide relative to the front foot rest 100, so that the folding volume of the stroller frame is reduced as much as possible under the condition of not increasing the operation difficulty, and the requirements of users are met.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention is not limited by the appended claims.
Claims (19)
1. A frame folding linkage mechanism is suitable for a baby frame, the baby frame comprises a seat fixing seat connected with a front foot rest, and the frame folding linkage mechanism is characterized by comprising a clamping structure and a shifting piece; the clamping structure is arranged between the seat fixing seat and the front foot rest and limits the seat fixing seat to slide relative to the front foot rest; the poking piece is fixedly arranged on the rear foot rest, and when the front foot rest and the rear foot rest are pivoted and folded, the rear foot rest drives the poking piece to move relative to the clamping structure so as to drive the clamping structure to release the limitation on the seat fixing seat.
2. The frame folding linkage mechanism according to claim 1, wherein the engaging structure is disposed in the seat holder and includes an engaging member movably extending out of the seat holder and engaging in an engaging groove disposed in the front foot rest; the poking piece drives the clamping piece to exit from the clamping groove.
3. The frame folding linkage of claim 2, wherein the engaging structure further comprises a pivot member; the pivot component comprises a pivot part pivoted to the seat fixing seat, and a connecting part and a driving part which are respectively arranged on the left side and the right side of the pivot axis, the connecting part is linked with the clamping component, and when the toggle component drives the pivot component to pivot relative to the seat fixing seat through the driving part, the connecting part drives the clamping component to exit from the clamping groove.
4. The frame folding linkage of claim 3, wherein the pivot portion is a protrusion protruding from the connecting portion and the driving portion.
5. The frame folding linkage of claim 3, wherein the driving portion has a transition surface and a driving surface on a side thereof corresponding to the toggle member, and the driving surface is located on a side of the transition surface away from the pivot portion; the transition surface and the driving surface are clamped to form a reflex angle.
6. The frame folding linkage of claim 3, wherein one end of the engaging member is fixedly connected to the connecting portion.
7. The frame folding linkage mechanism of claim 2, wherein the front leg frame is provided with a connecting groove along the length direction, and the seat holder is correspondingly provided with a connecting slider slidably engaged in the connecting groove.
8. The frame folding linkage mechanism of claim 7, wherein the connecting slot includes a slot cavity portion and an opening portion communicating with the slot cavity portion, and the connecting slider passes through the opening portion and is slidably connected to the slot cavity portion.
9. The frame folding linkage of claim 8, wherein the engaging groove is formed at the bottom of the connecting groove.
10. The frame folding linkage of claim 3, wherein the engaging member is disposed on one side of the connecting slider in the sliding direction.
11. The frame folding linkage of claim 3, wherein the toggle member includes a fixed connecting portion fixedly connected to the rear foot stool and a toggle portion protruding into the seat holder.
12. The frame folding linkage mechanism of claim 11, wherein an avoiding groove for the moving portion to pass through is formed on one side of the seat holder; when the clamping piece extends into the clamping groove, the driving part extends into the avoiding groove.
13. The frame folding linkage of claim 3, wherein the engaging structure further comprises an elastic member for making the engaging member always have a tendency to be engaged in the engaging groove.
14. The frame folding linkage mechanism according to claim 13, wherein the elastic member is a torsion spring disposed at the pivot portion, or an extension spring disposed between the seat holder and the engaging member.
15. A stroller frame comprising a front leg, a handle frame disposed at the upper end of the front leg and capable of extending and retracting relative to the front leg, a rear leg disposed at the rear side of the front leg and capable of pivoting relative to the front leg, and a seat holder attached to the front leg, wherein the stroller frame further comprises a frame folding linkage mechanism according to any one of claims 1 to 14.
16. The stroller frame according to claim 15, further comprising a seat carrier, wherein the seat carrier is detachably connected to the seat holder at both sides thereof.
17. The stroller frame according to claim 15, further comprising a basket tube pivotally connected to the rear leg and snap-connected to the front leg, wherein a three-point connection line of a pivot point of the front leg and the rear leg, a pivot point of the basket tube and the rear leg, and a snap-connection point of the basket tube and the front leg forms a triangular structure to maintain the stroller frame in the open state.
18. The stroller frame according to claim 17, wherein a locking portion for locking the front leg is provided in the basket tube, and a release mechanism for driving the locking portion to be separated from the front leg is provided in the basket tube.
19. The stroller frame of claim 18, wherein the basket tube is U-shaped, two ends of the basket tube are respectively fastened to the front leg, and an operation portion for controlling the release mechanism is disposed on a side of the basket tube away from the front leg.
Priority Applications (1)
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CN201810651314.6A CN110626414B (en) | 2018-06-22 | 2018-06-22 | Frame folding linkage mechanism and baby carriage frame thereof |
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CN201810651314.6A CN110626414B (en) | 2018-06-22 | 2018-06-22 | Frame folding linkage mechanism and baby carriage frame thereof |
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CN110626414A true CN110626414A (en) | 2019-12-31 |
CN110626414B CN110626414B (en) | 2022-04-29 |
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CN201810651314.6A Active CN110626414B (en) | 2018-06-22 | 2018-06-22 | Frame folding linkage mechanism and baby carriage frame thereof |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113401213A (en) * | 2020-03-16 | 2021-09-17 | 明门瑞士股份有限公司 | Switching device and connecting mechanism thereof |
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