CN210707577U - Baby carriage capable of being automatically folded and unfolded - Google Patents

Abstract

The utility model discloses a baby carriage that can be automatically folded and unfolded. The baby carriage has an unfolded state and a folded state, and comprises a front foot assembly, a rear foot assembly, a seat frame assembly and a handle assembly, wherein the upper end of the front foot assembly is connected to the The lower end of the handle assembly is rotatably connected, the upper end of the rear foot assembly is connected with the seat frame assembly near the rear end, and the rear foot assembly near the upper end is rotatably connected with the front foot assembly near the upper end, characterized in that , further comprising: a foot pedal, which is arranged on the rear foot assembly; an elastic assembly, one end of the elastic assembly is connected with the front foot assembly, and the other end is connected with the seat frame assembly; a folding mechanism, the The foot pedal is connected with the front foot assembly through the folding mechanism, and the structure is simple and easy to use.

Description

A stroller that can be folded and unfolded automatically

technical field

The utility model relates to a baby carriage that can be automatically folded and unfolded, belonging to the technical field of baby carriages.

Background technique

In the related art, the stroller has become an indispensable product in the growth process of infants and young children. Today's strollers are generally foldable for easy portability. But now the stroller needs to be manually folded and unfolded, and its operation is complicated, laborious, and inconvenient to use, especially when the user is holding a baby, and there is no free hand to fold or unfold the stroller.

Therefore, the present invention is based on the above shortcomings, and it is urgent to design a stroller that can be automatically folded and unfolded to meet the needs of users.

Utility model content

The utility model aims to solve one of the problems existing in the related art at least to a certain extent. Therefore, the utility model proposes a baby carriage that can be automatically folded and unfolded, which has a simple structure and is convenient to use.

The above purpose is achieved through the following technical solutions:

A baby carriage that can be folded and unfolded automatically, the baby carriage has an unfolded state and a folded state, and includes a front foot assembly, a rear foot assembly, a seat frame assembly and a handle assembly, wherein the upper end of the front foot assembly and the lower end of the handle assembly can be Rotating connection, the upper end of the rear foot assembly is connected with the position near the rear end of the seat frame assembly, and the position near the upper end of the rear foot assembly and the position near the upper end of the front foot assembly are rotatably connected, and it is characterized in that, it also includes:

a foot pedal, the foot pedal is arranged on the rear foot assembly;

an elastic assembly, one end of the elastic assembly is connected with the front foot assembly, and the other end is connected with the seat frame assembly;

A folding mechanism, the foot pedal is connected with the front foot assembly through the folding mechanism.

In some embodiments, the forefoot assembly includes a left forefoot, a right forefoot and a forefoot link, the forefoot link is connected between the left forefoot and the right forefoot, and one end of the elastic component is connected to the forefoot The rod is connected near the middle part, and one end of the folding mechanism is connected to the front foot link.

In some embodiments, the seat frame assembly includes at least a left seat frame rod, a right seat frame rod and a seat frame link, and the seat frame link is connected to the left seat frame rod and the right The other end of the elastic component is connected with the seat frame rod near the middle part on the seat frame rod.

In some embodiments, the rear foot assembly includes a left rear foot, a right rear foot, and a rear foot link, the rear foot link is connected between a portion near the middle of the left rear foot and a portion near the middle of the right rear foot, the rear foot link One end of the foot pedal is rotatably connected to the rear foot link.

In some embodiments, a lower link is connected between the lower end of the left rear foot and the lower end of the right rear foot, and a pedal fixing seat matched with the foot pedal is arranged on the lower link;

A card slot is arranged on the foot pedal fixing seat, a retractable jam is arranged on the side wall in the card slot, and a connection seat matched with the card slot is arranged on the foot pedal, The connecting seat is provided with a card hole into which the card plug can be inserted.

In some implementation manners, a guide slope for matching with the plug is formed on the lower surface of the connecting seat;

A return torsion spring is arranged between the foot pedal and the rear foot link.

In some embodiments, a fixing tube is connected between the upper end of the left rear foot and the upper end of the right rear foot;

The folding mechanism includes a roller, a transmission lever, a pulling rope and a retracting spring, wherein the roller is rotatably arranged on the fixed tube, the transmission lever is rotatably arranged on the rear foot link, and the One end of the pull rope is connected with the foot pedal, and the other end is connected with the rear end of the transmission lever after bypassing the roller, and the front end of the transmission lever is connected with the front foot link through the retracting spring.

In some embodiments, a retractable hook seat is provided on the rear foot assembly near the lower end, and a rotatable retractable hook is provided on the retractable hook seat. When the stroller is in a folded state, all The pickup hook is clamped with the handle assembly.

In some embodiments, a kick button and a connecting member are also included, wherein the kick button is arranged on the retractable hook seat for cooperating with the retractable hook, and the kick button is connected through the connection A member is connected to the plug.

In some embodiments, a locking assembly is disposed at the connection between the forefoot assembly and the handle assembly, and a handle button for controlling the action of the locking assembly is disposed on the handle assembly, so that the forefoot assembly is The assembly and the handle assembly are relatively fixed or relatively rotatable.

Compared with the prior art, the present invention at least has the following effects:

1. The stroller of the present invention can be automatically folded and unfolded, which can release the user's hands, making the use of the stroller more convenient and improving the user's experience. In particular, when the baby carriage is folded or unfolded, the user no longer needs to bend down to fold or unfold the baby carriage, and the user can fold or unfold the baby carriage more easily.

Other beneficial results of the present invention will be described in the specific embodiments in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is the perspective view of the baby carriage in the unfolded state in the embodiment of the present invention;

Fig. 2 is another three-dimensional schematic diagram of the stroller in the unfolded state in the embodiment of the present invention;

Fig. 3 is the partial exploded schematic diagram of the stroller in the embodiment of the present utility model;

Fig. 4 is the side view of the stroller in the embodiment of the present invention;

5 is a perspective view of the baby carriage in a folded state according to the embodiment of the present invention.

Detailed ways

The present utility model will be described in further detail below with reference to the accompanying drawings and specific embodiments.

Embodiment 1: As shown in FIGS. 1 to 5 , this embodiment provides a baby carriage that can be automatically folded and unfolded. The baby carriage has an unfolded state and a folded state, and includes a front foot assembly 1 , a rear foot assembly 2 , and a seat frame assembly 3 and the handle assembly 4, wherein the upper end of the front foot assembly 1 is rotatably connected with the lower end of the handle assembly 4, the upper end of the rear foot assembly 2 is connected with the seat frame assembly 3 near the rear end, and the rear foot assembly 2 The position near the upper end is connected with the front foot assembly 1. Rotating connection near the upper end, also includes:

Step on the pedal 5, and the pedal 5 is arranged on the rear foot assembly 2;

Elastic assembly 6, one end of the elastic assembly 6 is connected with the front foot assembly 1, and the other end is connected with the seat frame assembly 3;

Folding mechanism 7, the foot pedal 5 is connected with the front foot assembly 1 through the folding mechanism 7.

The baby carriage that can be automatically folded and unfolded in this embodiment can release the user's hands, which makes the use of the baby carriage more convenient and improves the user's use experience.

Specifically, when the stroller is in the unfolded state, the user can step on the foot pedal 5, and the foot pedal 5 pulls the front foot assembly 1 through the folding mechanism 7, so that the stroller will automatically switch from the unfolded state to the folded state; In the folded state, the user can directly or indirectly apply force to the foot pedal 5 to reset it. After the foot pedal 5 is reset, under the action of the elastic component 6, the stroller will automatically switch from the folded state to the unfolded state. The more specific working principle of the stroller provided by this embodiment will be described below.

In this embodiment, the front foot assembly 1 includes a left front foot 101, a right front foot 102, and a front foot link 103. The front foot link 103 is connected between the left front foot 101 near the middle position and the right front foot 102 near the middle position, elastically One end of the assembly 6 is connected to the front foot link 103 near the middle part, and one end of the folding mechanism 7 is connected to the front foot link 103, preferably, it is connected to the front foot link 103 near the middle part, its structure is simple, it is convenient to pass the folding mechanism 7. Apply force to the front foot assembly 1 to switch the state of the stroller.

In this embodiment, the seat frame assembly 3 includes a left seat frame rod 301, a right seat frame rod 302 and a seat frame link 303. The seat frame link 303 is connected to the left seat frame rod 301 near the middle part and the right seat frame rod 302 near the middle, the other end of the elastic component 6 is connected with the seat frame connecting rod 303 near the middle, so that the seat frame assembly 3 and the front foot assembly 1 can be expanded in the folded state by exerting force on them. The unfolded state, and then drive the whole vehicle to unfold to the unfolded state.

Preferably, the rear foot assembly 2 includes a left rear foot 201, a right rear foot 202 and a rear foot link 203. The rear foot link 203 is connected between the left rear foot 201 near the middle and the right rear foot 202 near the middle, and one end of the pedal 5 rotates It is connected to the rear foot link 203, thereby facilitating the setting of the foot pedal 5, so that the user can conveniently depress the foot pedal 5 with their feet.

In particular, a lower link 204 is connected between the lower end of the left rear foot 201 and the lower end of the right rear foot 202, and the lower link 204 is provided with a footrest 8 that cooperates with the foot pedal 5;

A clamping slot 801 is provided on the pedal fixing base 8, and a retractable plug 802 is provided on the side wall in the clamping slot 801. When the plug 802 receives an external force, the compression spring is compressed, and when the plug 802 loses the external force, the compression spring is reset. The card hole 502 into which the card plug 802 can be inserted.

More specifically, a guide slope 503 is formed on the lower surface of the connection base 501 to cooperate with the plug 802. During the process of stepping on the pedal 5 downward, the guide slope 503 of the connection base 501 exerts a force on the plug 802, and the plug 802 is blocked. 802 is retracted until the stopper 802 crosses the guide slope 503, and the stopper 802 will be extended and inserted into the hole 502 under the action of the compression spring;

A return torsion spring 9 is arranged between the foot pedal 5 and the rear foot link 203 , and the foot pedal 5 can be reset by the provided return torsion spring 9 . Afterwards, the pedal 5 will return under the action of the return torsion spring 9 to prepare for the next folding of the stroller.

Preferably, a fixing tube 205 is connected between the upper end of the left rear foot 201 and the upper end of the right rear foot 202;

The folding mechanism 7 includes a roller 701, a transmission lever 702, a pull rope and a retracting spring 703, wherein the roller 701 is rotatably arranged on the fixed tube 205, and the transmission lever 702 is rotatably arranged on the rear foot link 203. One end of the pedal 5 away from the rear foot link 203 is connected, and the other end bypasses the roller 701 and is connected to the rear end of the transmission lever 702 . Of course, the folding mechanism 7 may also include a casing user protection roller 701 and a transmission lever 702 to prevent them from being easily damaged, so as to improve the reliability of product use and prolong the service life of the product.

Further, a retractable hook seat 10 is provided on the rear foot assembly 2 near the lower end, and a rotatable retractable hook 11 is provided on the retractable hook seat 10 , and a retractable hook 11 and the retractable hook seat 10 are arranged between the retractable hook seat 10 . There is a reset member. When the stroller is in a folded state, the retracting hook 11 is snapped with the handle assembly 4 . Specifically, during the folding process of the stroller, the handle assembly 4 exerts a force on the hook portion of the end of the retractable hook 11 away from the rear foot assembly 2, and the retractable hook 11 gradually bounces away against the force of the reset member. 4 After passing over the hook portion of the retracting hook 11, under the action of the reset member, the retracting hook 11 is reset, and the hook portion of the retracting hook 11 will hook the handlebar assembly 4. During the automatic deployment of the stroller, force is applied to the end of the retracting hook 11 close to the rear foot assembly 2 , at this time the retracting hook 11 gradually bounces away against the force of the reset member, and the retracting hook 11 surrounds it and the retracting hook seat 10 When the connection is rotated, the hook portion of the retracting hook 11 can be disengaged from the handlebar assembly 4 when the hook portion is unfolded.

In this embodiment, a kick button 12 and a connecting member are also included, wherein the kick button 12 is arranged on the retracting hook seat 10 for cooperating with the retracting hook 11 , including the pairing of the retracting hook 11 with the kicking button 12 . Apply force to disengage the hook part of the retractable hook 11 and the handlebar assembly 4, and the kick button 12 is connected with the plug 802 through the connecting member, including applying force to the connecting member through the kick button 12 to make the plug 802 from the card hole 502 break away.

Further, a locking assembly is provided at the connection between the forefoot assembly 1 and the handle assembly 4, and a handle button 13 for controlling the action of the locking assembly is disposed on the handle assembly 4, so that the forefoot assembly 1 and the handle assembly 4 are relatively fixed Or it can be rotated relatively, thereby improving the safety of the stroller and avoiding accidents caused by the stroller being easily folded.

The following describes the folding and unfolding principles and processes of the stroller provided by this implementation:

When the stroller is in the unfolded state and needs to be switched to the folded state, the user can step on the foot pedal 5, the foot pedal 5 rotates around the rear foot link 203, the direct connection seat 501 is embedded in the card slot 801, and the guiding slope of the connection seat 501 passes through. 503 exerts force on the plug 802, the plug 802 is retracted, until the plug 802 crosses the guide slope 503, the plug 802 will be extended and inserted into the card hole 502 under the action of the compression spring, thereby pressing the pedal 5 lock. At the same time, during the downward rotation of the pedal 5, the pull rope will be pulled, and the pull rope will drive one end 702 of the transmission lever to rotate around the rear foot link 203, and the other end 702 of the transmission lever rotates in the opposite direction, and the transmission lever During the rotation of one end 702 and the other end, the retracting spring 703 will be pulled away until the retracting spring 703 is in an open state. At this time, the user opens the locking assembly through the handle button 13, so that the front foot assembly 1 and the handle assembly 4 are relatively rotatable relative to each other. Since the retracting spring 703 is in an open state, the front foot assembly 1 and the rear foot assembly 2 will be pulled closer to each other and Rotate, and then drive the seat frame assembly 3 to rotate and switch to the folded state at the junction with the rear foot assembly 2, and at the same time, the handle assembly 4 will use the connection with the front foot assembly 1 as the fulcrum to rotate and switch to the folded state , that is, the whole car will be switched from the open state to the folded state, in which the handle assembly 4 will eventually be hooked 11 to the post during the folding process, so that the stroller can be in a stable folded state and will not be easily Open, and at the same time, when the whole vehicle is switched from the unfolded state to the folded state, the elastic component 6 will be gradually stretched to the unfolded state to provide power for the whole vehicle to switch from the folded state to the unfolded state.

When the stroller is in the folded state and needs to be switched to the unfolded state, the user can kick the kick button 12 with the foot. 12 and then pull the plug 802 through the connecting member so that the plug 802 is disengaged from the clamping hole 502, and the foot pedal 5 returns to the position under the action of the return torsion spring 9 and prepares for the next folding of the stroller. Since the elastic assembly 6 is in the open state, the elastic assembly 6 is contracted at this time, which will pull the front foot assembly 1 and the seat frame assembly 3 to approach each other and rotate, and at the same time the rear foot assembly 2 will be connected with the front foot assembly 1 and/or with its connection The connection with the seat frame assembly 3 is the fulcrum to rotate and switch to the unfolded state, while the handle assembly 4 will take its connection with the front foot assembly 1 as the fulcrum to rotate and switch to the unfolded state, thus completing the entire stroller from the folded state. The process of expanding the state.

The above are only some embodiments of the present invention. For those of ordinary skill in the art, under the premise of not departing from the inventive concept of the present invention, several modifications and improvements can also be made, such as technical solutions that achieve the same purpose and technical effect by using other mechanical methods or electronic methods, These all belong to the protection scope of the present invention.

Claims (10)

1. A baby carriage that can be automatically folded and unfolded, the baby carriage has an unfolded state and a folded state, comprising a front foot assembly (1), a rear foot assembly (2), a seat frame assembly (3) and a handle assembly (4), The upper end of the front foot assembly (1) is rotatably connected to the lower end of the handle assembly (4), the upper end of the rear foot assembly (2) is connected to the seat frame assembly (3) near the rear end, and the The position close to the upper end of the rear foot assembly (2) is rotatably connected to the position close to the upper end of the front foot assembly (1), characterized in that it also includes: a foot pedal (5), the foot pedal (5) is arranged on the rear foot assembly (2); an elastic assembly (6), one end of the elastic assembly (6) is connected with the front foot assembly (1), and the other end is connected with the seat frame assembly (3); A folding mechanism (7), the foot pedal (5) is connected with the front foot assembly (1) through the folding mechanism (7). 2. The stroller that can be automatically folded and unfolded according to claim 1, wherein the front foot assembly (1) comprises a left front foot (101), a right front foot (102) and a front foot link (103), The front foot link (103) is connected between the left front foot (101) and the right front foot (102), and one end of the elastic component (6) is connected with the front foot link (103) near the middle part , and one end of the folding mechanism (7) is connected to the front foot link (103). 3. A stroller that can be automatically folded and unfolded according to claim 2, wherein the seat frame assembly (3) comprises a left seat frame rod (301), a right seat frame rod (302) and a seat frame A connecting rod (303), the seat frame connecting rod (303) is connected between the left seat frame rod (301) near the middle part and the right seat frame rod (302) near the middle part, the elastic The other end of the component (6) is connected with the upper link (303) of the seat frame near the middle part. 4. The stroller that can be automatically folded and unfolded according to claim 2, wherein the rear foot assembly (2) comprises a left rear foot (201), a right rear foot (202) and a rear foot link (203), The rear foot link (203) is connected between the left rear foot (201) near the middle and the right rear foot (202) near the middle, and one end of the foot pedal (5) is rotatably connected to the on the rear foot link (203). 5. The stroller that can be automatically folded and unfolded according to claim 4, wherein a lower link (204) is connected between the lower end of the left rear foot (201) and the lower end of the right rear foot (202). ), on the lower connecting rod (204), a foot pedal fixing seat (8) that cooperates with the foot pedal (5) is provided; A card slot (801) is arranged on the foot pedal fixing seat (8), a retractable clip (802) is arranged on the side wall in the card slot (801), and the foot pedal (801). 5) A connection seat (501) matched with the card slot (801) is arranged on the connection seat (501), and a card hole (502) into which the card plug (802) can be inserted is arranged on the connection seat (501). 6 . The stroller that can be automatically folded and unfolded according to claim 5 , wherein a guide slope ( 503 ) that cooperates with the plug ( 802 ) is formed on the lower surface of the connecting seat ( 501 ). 7 . ); A return torsion spring (9) is arranged between the foot pedal (5) and the rear foot link (203). 7. The stroller that can be automatically folded and unfolded according to claim 4, wherein a fixing tube (205) is connected between the upper end of the left rear leg (201) and the upper end of the right rear leg (202). ; The folding mechanism (7) comprises a roller (701), a transmission lever (702), a pulling rope and a retracting spring (703), wherein the roller (701) is rotatably arranged on the fixing tube (205), The transmission lever (702) is rotatably arranged on the rear foot link (203), one end of the pull rope is connected with the foot pedal (5), and the other end bypasses the roller (701) and is connected with the foot pedal (5). The rear end of the transmission lever (702) is connected, and the front end of the transmission lever (702) is connected with the front foot link (103) through the retracting spring (703). 8. A stroller that can be automatically folded and unfolded according to claim 5, characterized in that, a retractable hook seat (10) is provided on the rear foot assembly (2) near the lower end, and a retractable hook seat (10) is provided on the rear foot assembly (2). The hook seat (10) is provided with a rotatable retracting hook (11), and when the baby carriage is in a folded state, the retracting hook (11) is engaged with the handle assembly (4). 9. The stroller that can be automatically folded and unfolded according to claim 8, further comprising a kick button (12) and a connecting member, wherein the kick button (12) is arranged on the retracting vehicle The hook seat (10) is used for cooperating with the retracting hook (11), and the kick button (12) is connected with the plug (802) through the connecting member. 10. The stroller that can be automatically folded and unfolded according to any one of claims 1 to 9, wherein a lock is provided at the connection between the front foot assembly (1) and the handle assembly (4) an assembly, a handle button (13) for controlling the action of the locking assembly is provided on the handle assembly (4), so that the front foot assembly (1) and the handle assembly (4) are relatively fixed or can be relative rotation.

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