CN106926888B

CN106926888B - Child stroller and locking device

Info

Publication number: CN106926888B
Application number: CN201511009605.8A
Authority: CN
Inventors: 王耀民
Original assignee: Shanghai I Baby Co ltd
Current assignee: Shanghai I Baby Co ltd
Priority date: 2015-12-29
Filing date: 2015-12-29
Publication date: 2020-05-19
Anticipated expiration: 2035-12-29
Also published as: CN106926888A

Abstract

The application provides a locking device, including chassis pipe and the rotatable frame pipe of connecting at its front end, frame pipe downside wall is provided with the slide rail, the first end of stay tube that is connected with of chassis pipe is last rotatable, the second end slidable of stay tube sets up in the slide rail, the intraductal slidable regulation of frame is provided with pushes away the pipe, the intraductal bottom of frame pipe is provided with elastic connection spare, the elastic connection spare top is provided with the striking platform, the slide rail lower extreme is provided with the first locking part that is used for locking the second end of stay tube, when pushing away the pipe striking platform, the unblock is held to the second of stay tube to first locking part. When the locking device needs to be unlocked, the pushing handle pipe slides into the frame pipe, the bottom of the pushing handle pipe strikes the striking table at the bottom inside the frame pipe, the striking table moves backwards, the first locking part is driven to unlock the second end of the supporting pipe, and the locking device which is easy to fold is provided. The application also provides a child stroller comprising the locking device.

Description

Child stroller and locking device

Technical Field

The application relates to the technical field of children's supplies, more specifically to a locking device. The present application also relates to a stroller comprising the above locking device.

Background

The child stroller is an important representative of children products, the child stroller in the prior art is very complicated to fold, and when the child stroller in the prior art is folded, each locking part needs to be bent by a person and opened by a hand, and then the child stroller is folded. Parents are difficult to fold efficiently, and the problem troubles many parents.

Therefore, how to provide a locking device that is easy to fold is a problem that needs to be solved by those skilled in the art.

Disclosure of Invention

In view of the above, the present application provides a locking device, so as to provide a locking device that is easy to fold. The application also provides a child stroller comprising the locking device.

In order to achieve the above purpose, the present application provides the following technical solutions:

the utility model provides a locking device, including chassis pipe and the rotatable frame pipe of connection at its front end, frame pipe downside wall is provided with the slide rail, the first end of the last rotatable stay tube that is connected with of chassis pipe, the second end slidable of stay tube sets up in the slide rail, the intraductal slidable regulation of frame is provided with and pushes away the pipe, the intraductal bottom of frame pipe is provided with elastic connection spare, the elastic connection spare top is provided with the striking platform, the slide rail lower extreme is provided with the first locking part that is used for locking the second end of stay tube, when pushing away the pipe striking platform, the second end unblock of first locking part to the stay tube.

Optionally, the slide rail includes a pair of slide grooves located at both sides, the second end of the support tube includes a slide tube perpendicular to the support tube, the middle of the slide tube is connected with the support tube, and both ends of the slide tube are respectively inserted into the pair of slide grooves.

Optionally, the first locking part includes a first locking hook rotatably connected to the lower end of the slide rail through a first torsion spring, the elastic direction of the first torsion spring faces the direction of the frame tube, and a guide slope for guiding the slide tube to enter and a hook groove located at the rear of the guide slope are provided at the front end of the first locking hook.

Optionally, a connecting groove is formed in the position, close to the impact table, of the lower side wall surface of the frame pipe, a contact protrusion penetrating through the connecting groove and abutting against the slope on the first locking hook is arranged on the side wall of the impact table, and when the impact table moves downwards along the frame pipe, the contact protrusion pushes the first locking hook to tilt and unlock.

Optionally, the vehicle sliding rail locking device further comprises a second locking part located at the upper end of the sliding groove, the second locking part comprises a second locking hook rotatably connected with the upper end of the sliding rail through a second torsion spring, the elastic direction of the second torsion spring faces the direction of the vehicle frame tube, and the front end of the second locking hook is provided with a guide slope used for guiding the sliding tube to enter and a hook groove located at the rear part of the guide slope.

Optionally, the second locking member further includes a pressing end disposed thereon, and the second locking hook tilts to unlock when the pressing end is pressed.

Optionally, the resilient connecting member is a spring.

The application also provides a child stroller, which comprises a stroller body and a locking device arranged on the stroller body, wherein the locking device is any one of the locking devices.

The application provides a locking device, including chassis pipe and the rotatable frame pipe of connecting at its front end, frame pipe downside wall is provided with the slide rail, the first end of stay tube that is connected with of chassis pipe is last rotatable, the second end slidable of stay tube sets up in the slide rail, the intraductal slidable regulation of frame is provided with pushes away the pipe, the intraductal bottom of frame pipe is provided with elastic connection spare, the elastic connection spare top is provided with the striking platform, the slide rail lower extreme is provided with the first locking part that is used for locking the second end of stay tube, when pushing away the pipe striking platform, the unblock is held to the second of stay tube to first locking part. The frame pipe can rotate on the chassis pipe, realize erectting and receive with receipts, the stay tube is the state of erectting when sliding to the slide rail lower extreme, the second end of stay tube is locked by first locking part, be used for keeping the state of erectting, when needs unblock, it is intraductal to push away the pipe slip frame, on the striking bench of its bottom striking frame intraduct bottom, elastic connection spare behind the striking bench is compressed, the striking bench moves backward, the unblock is held to the stay tube second to the first locking part of drive, the stay tube slides after the unblock, the frame pipe is realized receiving and is folded, the locking device who easily receives the pile has been realized providing.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a stroller provided in the present application;

FIG. 2 is a schematic view of the stroller provided in the present application in a folded state;

in the upper diagram: 1 is a push handle pipe, 2 is a second locking component, 3 is a frame pipe, 4 is a supporting pipe, 5 is a bottom coil pipe, 6 is a sliding rail, and 7 is a push handle adjusting component.

Detailed Description

The application provides a locking device, has realized providing a locking device who easily folds. The application also provides a child stroller comprising the locking device.

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

Fig. 1 is a schematic structural view of a stroller provided in the present application; fig. 2 is a schematic view of the stroller provided in the present application in a folded state.

The application provides a locking device, mainly include chassis pipe 5 and rotatable connection at the car frame pipe 3 of its front end, car frame pipe 3 downside wall is provided with slide rail 6, rotatable first end that is connected with stay tube 4 on the chassis pipe 5, second end slidable of stay tube 4 sets up in slide rail 6, slidable regulation is provided with in the car frame pipe 3 and pushes away a pipe 1, the intraductal bottom of car frame pipe 3 is provided with elastic connector, and is further, elastic connector is the spring. The top of the elastic connecting piece is provided with an impact table, the lower end of the sliding rail 6 is provided with a first locking part used for locking the second end of the supporting tube 4, and when the pushing handle tube 1 impacts the impact table, the first locking part unlocks the second end of the supporting tube 4. In the above description, the chassis pipe 5, the frame pipe 3, the support pipe 4, the handle pipe 1, and the like are not strictly limited except that the frame pipe 3 needs to accommodate the handle pipe 1 and is limited to a tubular shape, and a rod-shaped material may be used, but a solid material greatly increases the weight.

In conclusion, the frame tube 3 can rotate on the chassis tube 5 to achieve erection and folding, the support tube 4 is in an erection state when sliding to the lower end of the slide rail 6, the second end of the support tube 4 is locked by the first locking part and used for keeping the erection state, when unlocking is needed, the push handle adjusting part 7 is opened to enable the push handle tube 1 to slide, the push handle tube 1 slides into the frame tube 3, the bottom of the push handle tube strikes the impact table at the bottom inside the frame tube 3, the elastic connecting part behind the impact table is compressed and moves backwards to drive the first locking part to unlock the second end of the support tube 4, the support tube 4 slides after unlocking, the frame tube 3 achieves folding, and the locking device easy to fold is provided.

Further, the slide rail 6 includes a pair of spouts that are located both sides, and the spout is hollow out construction, and the second end of stay tube 4 includes the slide pipe perpendicular with stay tube 4, and the middle part and the stay tube 4 of slide pipe are connected, and the both ends of slide pipe insert respectively in a pair of spouts. The sliding pipe slides in the sliding groove, the matching structure has good mechanical performance and low failure rate, and the sliding pipe is easily matched and connected with various locking parts.

Further, the first locking part includes a first locking hook rotatably connected to a lower end of the slide rail 6 by a first torsion spring, an elastic direction of the first torsion spring is directed toward the frame pipe 3, and a guide slope for guiding the slide pipe to enter and a hook groove located at a rear portion of the guide slope are provided at a front end of the first locking hook. By adopting the structure, when the frame tube 3 is unfolded, the second end of the supporting tube 4 slides downwards to the tail end of the sliding rail 6, the guiding slope guides the second end of the supporting tube into the sliding rail, the first locking hook buckled by the first torsion spring is pried and enters the hook groove, automatic locking is realized, and as long as the frame tube 3 is unfolded forcibly, the first locking part can automatically clamp the second end of the supporting tube 4 to keep the erection state.

More specifically the structure of the striking unblock mode that provides, it is provided with the connecting groove to lie in striking platform adjacent position on the lower side wall of car frame pipe 3, and the lateral wall of striking platform is provided with and passes the connecting groove and support and lean on the contact arch of the slope shape on first locking hook, and when the striking platform followed car frame pipe 3 downstream, the contact arch promoted first locking hook perk unblock. The connecting groove is of a hole groove structure, the impact table moves through the connecting groove, and the contact protrusion in the form of a slope on the impact table can outwards push the first locking hook to lift the first locking hook, so that the aim of unlocking the sliding pipe is fulfilled.

In order to realize the locking of the folding state, the folding device further comprises a second locking part 2 positioned at the upper end of the sliding groove, the second locking part 2 comprises a second locking hook rotatably connected with the upper end of the sliding rail 6 through a second torsion spring, the elastic direction of the second torsion spring faces the direction of the frame tube 3, and the front end of the second locking hook is provided with a guide slope used for guiding the sliding tube to enter and a hook groove positioned at the rear part of the guide slope. Due to the further setting of the second locking component 2, the folding state can be locked, and the principle of automatic locking is the same as that of the first locking end, but the operation direction is opposite. And folding the frame tube 3, sliding the sliding tube upwards to the second locking end, and sliding the sliding tube into the groove along the guide slope for locking. More specifically, the second locking member 2 further includes a pressing tip provided thereon, and the second locking hook is tilted to be unlocked when the pressing tip is pressed. When the second locking end is unlocked, the pressing end is pressed to tilt the pressing end, the sliding pipe is released, and unlocking is achieved.

Based on the locking device provided in the above embodiments, the present application also provides a stroller, which includes a stroller body and a locking device provided thereon, wherein the locking device is the locking device of any one of the above embodiments. Furthermore, two sides of the stroller are symmetrical, so that locking devices can be arranged on the two sides.

The application provides a children's shallow, inside the pipe was all placed in to locking device, easy operation, the outward appearance is succinct, exquisite, can supplement too single structure and appearance in bassinet market.

In the unfolded state, the support tube 4 is very small and exquisite, and the strength is also guaranteed, and the appearance is very beautiful. The folding stroller is convenient to fold, parents can unfold and fold the stroller by one hand, and the use is very convenient. And only one supporting tube 4 is used for supporting the push handle tube 1, when the push handle tube is matched with the seat component for use, all stress is concentrated on the rear wheel shock absorption system, so that the seat is comfortable to ride.

Because the stroller adopts the locking device of the above embodiment, please refer to the above embodiment for the beneficial effects of the stroller brought by the locking device.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A locking device is characterized by comprising a base pipe (5) and a frame pipe (3) which is rotatably connected to the front end of the base pipe, a slide rail (6) is arranged on the lower side wall surface of the frame pipe (3), a first end of a support pipe (4) is rotatably connected to the base pipe (5), a second end of the support pipe (4) is slidably arranged in the slide rail (6), a push handle pipe (1) is slidably arranged in the frame pipe (3), an elastic connecting piece is arranged at the inner bottom of the frame pipe (3), an impact table is arranged at the top of the elastic connecting piece, a first locking part used for locking the second end of the support pipe (4) is arranged at the lower end of the slide rail (6), when the push handle pipe (1) impacts the impact table, the elastic connecting piece behind the impact table is compressed, and the impact table moves backwards, actuating the first locking member to unlock the second end of the support tube (4);

the slide rail (6) comprises a pair of slide grooves positioned at two sides, the second end of the support tube (4) comprises a slide tube vertical to the support tube (4), the middle part of the slide tube is connected with the support tube (4), and two ends of the slide tube are respectively inserted into the pair of slide grooves;

the first locking part comprises a first locking hook which is connected with the lower end of the sliding rail (6) in a rotating mode through a first torsion spring, the elastic direction of the first torsion spring faces the direction of the frame tube (3), and the front end of the first locking hook is provided with a guiding slope used for guiding the sliding tube to enter and a hook groove located at the rear portion of the guiding slope.

2. The locking device according to claim 1, characterized in that a connecting groove is provided on the lower side wall surface of the frame tube (3) in the vicinity of the striking table, the side wall of the striking table being provided with a ramp-shaped contact projection which passes through the connecting groove and abuts against the first locking hook, the contact projection pushing the first locking hook to tilt and unlock when the striking table moves down along the frame tube (3).

3. The locking device according to claim 2, further comprising a second locking member (2) at the upper end of the sliding groove, wherein the second locking member (2) comprises a second locking hook rotatably connected to the upper end of the slide rail (6) by a second torsion spring, the second torsion spring has a resilient direction toward the frame tube (3), and a front end of the second locking hook is provided with a guide slope for guiding the sliding tube to enter and a hook groove at the rear of the guide slope.

4. A locking arrangement as claimed in claim 3, characterised in that the second locking part (2) further comprises a push tip arranged thereon, the second locking hook being tilted out of the way when the push tip is pressed.

5. A locking arrangement as claimed in any one of claims 1 to 4, wherein the resilient connecting member is a spring.

6. A child stroller comprising a stroller body and a locking device provided thereon, wherein the locking device is a locking device according to any one of claims 1 to 5.