Brake mechanism of baby carriage

Abstract

The utility model discloses a brake mechanism of a baby carriage, which comprises a brake pipe arranged between wheel seats on two sides, brake parts arranged in the wheel seats on two sides in a sliding manner and matched with brake parts of corresponding wheels, and brake pedals capable of controlling the brake parts on two sides to brake or not at the same time, and a brake seat is fixedly arranged in the middle of the brake pipe. The brake pedal is rotationally connected with the brake seat, and a first reset piece is arranged between the brake pedal and the brake seat; a brake releasing button capable of sliding relative to the brake seat is arranged in the brake seat, and a second reset piece is arranged between the brake releasing button and the brake seat. The brake release button is provided with a guide block, and the brake pedal is provided with a guide groove allowing the guide block to slide and a lock groove allowing the guide block to be locked in; the locking groove of the brake pedal in the brake state is limited and locked through the guide block of the brake release button, so that the brake pedal is kept in the brake state, and the brake release button is simple in design structure and convenient to operate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of baby carriage, especially to a brake mechanism of baby carriage. BACKGROUND

[0002] There are various baby carriages in the market at present, in order to guarantee the safety performance of baby carriage, brake mechanism is generally arranged on baby carriage to prevent accidents when children ride on baby carriage.

[0003] The brake mechanism of the existing baby carriage generally comprises a brake pipe extending along the left-right direction of the baby carriage and internally formed with a hollow cavity, wheel seats located at both sides of the brake pipe, a wheel assembly rotatably installed on the wheel seats, a brake part arranged on the wheel assembly and rotating with the wheel assembly, a brake pedal arranged at the middle part of the brake pipe and rotatable relative to the brake pipe, brake parts slidingly arranged in the wheel seats and matched with the corresponding brake parts, a transmission mechanism located at both sides and transmissionally connecting the brake pedal with the brake parts on both sides; the brake part can slide with the rotation of the brake pedal, thereby controlling whether the brake part is matched with the brake part for braking. The brake mechanism of this kind of baby carriage has a relatively complex overall structure, the matching relationship between the components is also relatively complex, the cost is large and the assembly is relatively cumbersome. SUMMARY

[0004] The utility model aims at providing a brake mechanism of baby carriage, which realizes the locking of the brake pedal in the braking state through the release button, so that the brake pedal is kept in the braking state, and the structure is simple and the operation is convenient.

[0005] The technical scheme of the utility model is: a brake mechanism of baby carriage, which comprises a brake pipe arranged between the wheel seats, brake parts slidingly arranged in the wheel seats and matched with the brake parts of the corresponding wheels, and a brake pedal capable of simultaneously controlling whether the brake parts on both sides brake, a brake seat is fixedly arranged at the middle part of the brake pipe, the brake pedal is rotationally connected with the brake seat, and a first reset part is arranged between the brake pedal and the brake seat; the brake seat is internally provided with a release button capable of sliding relative to the brake seat, and a second reset part is arranged between the release button and the brake seat; the release button is provided with a guide block, the brake pedal is provided with a guide groove for sliding of the guide block and a lock groove for locking of the guide block; the brake pedal is locked in the braking state by the guide block of the release button on the lock groove of the brake pedal in the braking state.

[0006] When the brake pedal is in the release state, the guide block is located in the guide groove, at this time, the brake pedal can rotate by the sliding matching of the guide block and the guide groove;

[0007] When the brake pedal enters the braking state, the guide block and the guide groove are slidingly matched and slide into the lock groove from the guide groove under the action of the second reset part, at this time, the brake pedal is locked and kept in the braking state.

[0008] When the brake pedal needs to be released from the braking state, the release button is pressed to slide relative to the brake seat and make the guide block exit the lock slot, and the brake pedal is reset to the release position through the resetting action of the first resetting member and the sliding cooperation of the guide block and the guide slot.

[0009] As a preferred technical scheme, the guide slot is arc-shaped, and the lock slot is formed in the inner side of one end of the guide slot and communicates with the guide slot.

[0010] As a preferred technical scheme, the brake pedal and the brake seat are rotationally connected through a rotating shaft, the release button has a limiting slot for the rotating shaft to slide, and the sliding direction of the release button is arranged perpendicularly to the rotating shaft.

[0011] As a preferred technical scheme, the second resetting member is arranged between the release button and the rotating shaft.

[0012] As a preferred technical scheme, the brake seat has a sliding groove for the release button to slide, and the release button partially extends out of the sliding groove to form a pressing part.

[0013] As a preferred technical scheme, the brake pedal has a rotating connecting part rotationally cooperating with the brake seat and a pedal part formed on one side of the rotating connecting part, and the guide slot and the lock slot are both formed on the rotating connecting part.

[0014] As a preferred technical scheme, the brake pedal is connected with brake members of two side wheel seats through traction ropes respectively, and the two side brake members are simultaneously controlled to brake or not to brake through rotation of the brake pedal.

[0015] As a preferred technical scheme, the brake member is a brake pin, the wheel seat is provided with a brake pin seat that can slide leftward and rightward relative to the wheel seat, a third resetting member is arranged between the brake pin seat and the wheel seat, the brake pin is arranged in the brake pin seat and can slide leftward and rightward relative to the brake pin seat, a fourth resetting member is arranged between the brake pin and the brake pin seat, and the wheel seat is provided with a through hole for the brake pin to extend out of and slide.

[0016] Compared with the prior art, the application has the following advantages:

[0017] 1. The brake pedal in the braking state is limited and locked through the release button, so that the brake pedal is kept in the braking state; when the brake pedal needs to be released from the braking state, the release button must be pressed to slide relative to the brake seat and make the guide block exit the lock slot, and the brake pedal is reset to the release position through the resetting action of the first resetting member and the sliding cooperation of the guide block and the guide slot; the design is simple in structure and convenient to operate.

[0018] 2, the brake pedal of the utility model is connected with the brake member of the two side wheel seats through the traction rope, and whether the two side brake members brake or not is controlled simultaneously through the rotation of the brake pedal; compared with some structures which need complicated transmission mechanism to link, the overall structure is more simple, the cost is lower, and the assembly is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced as follows, and the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by the drawings for the ordinary skilled in the art without creative labor.

[0020] The structure, proportion, size and the like shown in the drawings of the specification are only used to cooperate with the content disclosed in the specification, so as to be understood and read by the person skilled in the art, and are not used to limit the limiting conditions of the utility model which can be implemented, so they do not have the technical essence, any modification of structure, change of proportion relationship or adjustment of size, as long as it does not affect the effect and purpose of the utility model, it should still fall within the scope of the technical content disclosed by the utility model.

[0021] Figure 1 It is a three-dimensional structure schematic view of the utility model in the brake-off state;

[0022] Figure 2 It is Figure 1 The assembly structure schematic view;

[0023] Figure 3 It is Figure 1 The plane structure schematic view;

[0024] Figure 4 It is Figure 3 The A-A cross section structure schematic view;

[0025] Figure 5 It is Figure 3 The B-B cross section structure schematic view;

[0026] Figure 6 It is a three-dimensional structure schematic view of the utility model in the brake state;

[0027] Figure 7 It is Figure 6 The plane structure schematic view;

[0028] Figure 8 It is Figure 7 The C-C cross section structure schematic view;

[0029] Figure 9 It is Figure 7A D-D profile structure schematic diagram of the brake pedal assembly;

[0030] Figure 10 A three-dimensional structure schematic diagram of the brake pedal assembly after the brake seat and the brake pedal are assembled;

[0031] Figure 11 A three-dimensional structure schematic diagram of the brake pedal assembly after the brake seat and the brake pedal are assembled; Figure 10 A structure schematic diagram from the bottom perspective;

[0032] Figure 12 A structure schematic diagram from the bottom perspective; Figure 10 A structure schematic diagram of the brake pedal assembly after the brake seat and the brake pedal are assembled.

[0033] 1 wheel seat; 101 main seat body; 102 side cover plate;

[0034] 2 brake pipe;

[0035] 3 brake member;

[0036] 4 brake pedal; 401 guide groove; 402 locking groove; 403 rotating connection part; 404 pedal part;

[0037] 5 brake seat; 501 sliding groove;

[0038] 6 first reset member;

[0039] 7 brake release button; 701 guide block; 702 limiting groove;

[0040] 8 second reset member;

[0041] 9 rotating shaft;

[0042] 10 traction cable;

[0043] 11 brake pin seat;

[0044] 12 third reset member;

[0045] 13 fourth reset member. DETAILED DESCRIPTION

[0046] To make the objectives, technical solutions and advantages of the present application clearer, the technical solutions of the embodiments of the present application will be described clearly and completely below with reference to the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the described embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without any creative effort belong to the scope of protection of the present application. It can be understood that some technical means of the various embodiments described herein can be replaced or combined with each other without conflict.

[0047] In the description of the specification and claims of the present application, if there are terms "first", "second", etc., they are only used to distinguish the described objects, and do not have any sequential or technical meaning. Therefore, the objects defined with "first", "second", etc. can be explicitly or implicitly included one or more objects. And "one" or "an" and the like similar words do not represent a quantity limitation, but represent the existence of at least one, and "more" represents no less than two.

[0048] In the description of the specification and claims of the present application, if there are terms "connection", "installation", "fixing", "accommodation" and the like, they should be understood in a broad sense unless otherwise specified. For example, "connection" can be separate connection or integral connection; can be directly connected or indirectly connected through an intermediate medium; can be non-detachable connection or detachable connection. For example, "accommodation" does not necessarily mean complete accommodation of the whole, and the concept also includes partial accommodation with part protruding externally. For those skilled in the art, the specific meaning of the foregoing terms in the present application can be understood according to the specific circumstances.

[0049] In the description of the specification and claims of the present application, if there are terms "upper", "lower", "horizontal" and the like indicating the orientation or position relationship based on the orientation or position relationship shown in the drawings, it is only for the convenience of clearly and simply describing the present application, and does not indicate or imply that the elements referred to must have a particular direction, be constructed and operated in a particular orientation. These directional terms are relative concepts, used for relative description and clarification, and can be changed accordingly according to the change of the orientation of the components placed in the drawings. For example, if the device in the drawing is turned over, the element described as "below" other elements will be positioned "above" the other elements.

[0050] In the description of the specification and claims of the present application, if there is the term "if", depending on the context, it can be interchangeable with "when" or "when" or "in response to determining" or "in response to detecting".

[0051] In the description of the specification and claims of the present application, if there is a term "in the direction" about the movement, including the movement with the directional component, the term "in the direction" is not necessarily understood as the movement in only one direction, and for those skilled in the art, the specific meaning of the foregoing terms in the present application can be understood according to the specific circumstances.

[0052] As Figures 1 to 12As shown, a brake mechanism of a baby carriage comprises a brake pipe 2 arranged between two side wheel seats 1, brake members 3 slidingly arranged in the two side wheel seats 1 and matched with brake portions of corresponding wheels, and a brake pedal 4 capable of simultaneously controlling the braking of the two brake members 3, a brake seat 5 is fixedly arranged at the middle portion of the brake pipe 2, the brake pedal 4 is rotationally connected with the brake seat 5, and a first reset member 6 is arranged between the brake pedal 4 and the brake seat 5; the brake seat 5 has a brake release button 7 slidingly arranged thereon, and a second reset member 8 is arranged between the brake release button 7 and the brake seat 5; the brake release button 7 has a guide block 701, the brake pedal 4 has a guide groove 401 for the sliding of the guide block 701 and a locking groove 402 for the locking of the guide block 701, and the brake pedal 4 is kept in the braking state by being limitedly locked in the locking groove 402 of the brake pedal 4 in the braking state through the guide block 701 of the brake release button 7.

[0053] The guide groove 401 is arc-shaped, and the locking groove 402 is formed in the inner side of one end of the guide groove 401 and communicates with the guide groove 401. The "inner side" refers to the position of the guide groove 401 close to the rotation axis of the brake pedal 4 and the brake seat 5, that is, the locking groove 402 is located on the radial inner side of the guide groove 401.

[0054] In the embodiment, the brake pedal 4 and the brake seat 5 are rotationally connected through a rotating shaft 9; the brake release button 7 has a limiting groove 702 for the sliding of the rotating shaft 9, and the sliding direction of the brake release button 7 is perpendicular to the rotating shaft 9. The second reset member 8 is arranged between the brake release button 7 and the rotating shaft 9.

[0055] In the embodiment, the brake seat 5 has a sliding groove 501 for the sliding of the brake release button 7 and open on the top, and the brake release button 7 partially extends out of the sliding groove 501 to form a pressing portion.

[0056] In the embodiment, the brake pedal 4 has a rotating connecting portion 403 rotationally matched with the brake seat 5 and a pedal portion 404 formed on one side of the rotating connecting portion 403; the guide groove 401 and the locking groove 402 are both formed on the rotating connecting portion 403. The rotating connecting portion 403 is preferably two and arranged on both sides of the brake release button 7.

[0057] Preferably, the brake release button 7 has a guide block 701 on each side; the brake seat 5 has an assembly groove on each side of the brake release button 7 for the assembly and rotation of the two rotating connecting portions 403 of the brake pedal 4, and the sliding groove 501 of the brake seat 5 has a gap on each side of the assembly groove for the extension and sliding of the guide block 701.

[0058] In order to improve the anti-skid performance when stepping, the pedal portion 404 is provided with anti-skid strips or anti-skid lines.

[0059] In the embodiment, the brake pedal 4 is connected with the brake members 3 of the two wheel seats 1 through the traction ropes 10, and the brake members 3 on both sides are controlled by the brake rotation (downward rotation in the embodiment) or the brake release rotation of the brake pedal 4.

[0060] In the embodiment, the brake member 3 is a brake pin, the wheel seat 1 is provided with a brake pin seat 11 which can slide leftward and rightward relative to the wheel seat 1, and a third reset member 12 is arranged between the brake pin seat 11 and the wheel seat 1, the brake pin is arranged in the brake pin seat 11 and can slide leftward and rightward relative to the brake pin seat 11, and a fourth reset member 13 is arranged between the brake pin and the brake pin seat 11, and the wheel seat 1 is provided with a through hole at the outer side end for the brake pin to extend and slide.

[0061] In order to facilitate the assembly of the components in the wheel seat 1, the wheel seat 1 preferably comprises a main seat body 101 and a side cover plate 102.

[0062] The working principle of the application is as follows:

[0063] When the brake pedal 4 is in the brake release state, the guide block 701 is located at one end of the guide groove 401 away from the lock groove 402, and at this time, the brake pedal 4 can be rotated (downward rotation in the embodiment) through the sliding cooperation of the guide block 701 and the guide groove 401.

[0064] When the brake pedal 4 is stepped on and enters the brake state, the guide block 701 is slidably cooperated with the guide groove 401 and is slid into the lock groove 402 under the action of the second reset member 8, and at this time, the brake pedal 4 is limited and kept in the brake state.

[0065] When the brake pedal 4 needs to release the brake state, the brake release button 7 is pressed to make the guide block 701 exit the lock groove 402, and the brake pedal 4 is reset to the brake release position through the reset action of the first reset member 6 and the sliding cooperation of the guide block 701 and the guide groove 401.

[0066] The brake pedal 4 in the brake state is limited and locked by the brake release button 7, and is kept in the brake state, which is simple in structure and convenient to operate.

[0067] As a preferred embodiment of the present application, in the description of the present specification, the description referring to the terms "preferred", "optional" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. The illustrative expressions of the above terms in the present specification do not necessarily refer to the same embodiment or example. Also, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0068] The above examples are only used to illustrate the detailed schemes of the present application, and the present application is not limited to the above detailed schemes, i.e. it does not mean that the present application must be implemented depending on the above detailed schemes. It should be understood by those skilled in the art that any improvement of the present application, equivalent replacement of each raw material of the product of the present application, addition of auxiliary ingredients, selection of specific modes, etc. fall within the protection scope and disclosure scope of the present application.

Claims

1. A brake mechanism of a baby carriage, comprising a brake pipe arranged between two side wheel seats, brake members slidingly arranged in the two side wheel seats and cooperating with brake portions of corresponding wheels, and a brake pedal capable of simultaneously controlling the braking or not of the two brake members, characterized in that: The middle part of the brake pipe is fixed with a brake seat, the brake pedal is rotationally connected with the brake seat, and a first reset member is arranged between the brake pedal and the brake seat; the brake seat has a brake release button which can slide relative to the brake seat, and a second reset member is arranged between the brake release button and the brake seat; the brake release button has a guide block, the brake pedal has a guide groove for the guide block to slide and a lock groove for the guide block to lock; the brake pedal is locked in the brake state by the guide block of the brake release button on the lock groove of the brake pedal in the brake state.

2. A brake mechanism for a child's vehicle according to claim 1, wherein: The guide groove is arc-shaped, and the lock groove is formed in the inner side of one end of the guide groove and communicates with the guide groove.

3. The brake mechanism of claim 1, wherein: The brake pedal and the brake seat are rotationally connected through a rotating shaft; the brake release button has a limiting groove for the rotating shaft to slide, and the sliding direction of the brake release button is perpendicular to the rotating shaft.

4. A brake mechanism for a child's vehicle according to claim 3 wherein: The second reset member is arranged between the brake release button and the rotating shaft.

5. The brake mechanism of claim 1 or 3, wherein: The brake seat has a sliding groove for the brake release button to slide, and the brake release button partially extends out of the sliding groove to form a pressing part.

6. The brake mechanism of claim 1, wherein: The brake pedal has a rotating connecting part which is rotationally connected with the brake seat and a pedal part which is formed on one side of the rotating connecting part; the guide groove and the lock groove are both formed on the rotating connecting part.

7. The brake mechanism of claim 1, wherein: The brake pedal is connected with brake members of two side wheel seats through traction ropes, and the rotation of the brake pedal simultaneously controls whether the two brake members brake or not.

8. A brake mechanism for a child's vehicle according to claim 1 or 7, wherein: The brake member is a brake pin; the wheel seat has a brake pin seat which can slide left and right relative to the wheel seat, and a third reset member is arranged between the brake pin seat and the wheel seat; the brake pin is arranged in the brake pin seat and can slide left and right relative to the brake pin seat, and a fourth reset member is arranged between the brake pin and the brake pin seat; the outer side end of the wheel seat has a through hole for the brake pin to extend out and slide.

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