Folding bicycle self-locking mechanism

Abstract

The utility model belongs to the technical field of folding bicycles, and particularly provides a folding bicycle self-locking mechanism which comprises a first connecting portion connected with a bicycle frame and a second connecting portion connected with a folding bicycle frame, and the side, away from one end of the bicycle frame, of the first connecting portion is hinged to the side, away from one end of the folding bicycle frame, of the second connecting portion. A locking mechanism is arranged on the other side of the first connecting part and comprises a lock catch assembly and a lock groove, the lock groove is formed in one end of the first connecting part, a mounting groove is formed in the second connecting part, the lock catch assembly is rotationally connected with the end of the second connecting part, one end of the lock catch assembly is located in the mounting groove, and the other end of the lock catch assembly extends out of the second connecting part to be matched with the lock groove; and when the lock catch assembly is in contact with the bottom of the mounting groove, the first connecting part and the second connecting part freely rotate around a hinge point. Through the arrangement of the mounting groove, the lock catch assembly and the lock groove, the self-locking mechanism can be effectively prevented from being exposed on the premise that locking and unlocking are conveniently achieved, and the safety performance and the attractive effect are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of folding bicycle, and relates to folding bicycle self-locking mechanism. BACKGROUND

[0002] The folding bicycle is a unique and convenient traffic tool at present, and is especially suitable as a walking tool for several kilometers to tens of kilometers. This is because it is convenient to carry, and only 5.6 kilograms, and it can be folded in ten seconds, and it can be easily put into a travel bag and taken by car, train and plane. After getting off the car or walking out of the airport, it can be opened in a few seconds, and the last journey can be completed.

[0003] However, the existing folding bicycle self-locking mechanism still has some deficiencies. First, the current self-locking mechanism is directly exposed, which on the one hand is easy to be opened passively due to accidental touch, causing safety risks, and on the other hand affects the aesthetic effect. Secondly, the current self-locking mechanism is relatively labor-consuming, affecting the convenience of use. UTILITY MODEL CONTENTS

[0004] In view of the technical problems in the prior art, the utility model provides a folding bicycle self-locking mechanism, which comprises a first connecting part connected with a frame and a second connecting part connected with a folding frame. One side of the first connecting part away from one end of the frame is hinged to one side of the second connecting part away from one end of the folding frame. The other opposite side is provided with a locking mechanism. The locking mechanism comprises a lock assembly and a lock slot. The lock slot is installed at one end of the first connecting part close to the second connecting part. The second connecting part is provided with a mounting slot penetrating the end portion. The lock assembly is rotationally connected with the end portion of the second connecting part. One end of the lock assembly is located in the mounting slot, and the other end extends out of the second connecting part and cooperates with the lock slot. When the end portion of the lock assembly located in the mounting slot is in contact with the bottom of the mounting slot around the rotation point, the other end is separated from the lock slot. The first connecting part and the second connecting part are freely rotatable around the hinge point.

[0005] Further, the locking mechanism further comprises a protective cover plate and an elastic switch. The protective cover plate is rotationally connected with the end portion of the second connecting part. The middle part of the protective cover plate is provided with a connecting hole for the lock assembly to pass through. The elastic switch is installed at one end of the mounting slot away from the end portion of the second connecting part. When the protective cover plate closes the mounting slot through the elastic switch, the connecting hole cooperates with the lock assembly, and the lock assembly is fixed relative to the second connecting part. When the protective cover plate opens the mounting slot through the elastic switch, the lock assembly rotates relative to the second connecting part.

[0006] Further, when the protective cover plate closes the mounting slot, the top surface of the protective cover plate is flush with the surface of the second connecting part.

[0007] Further, the lock catch assembly comprises a handle, an elastic connecting piece and a lock block matched with the lock slot, the handle is rotationally connected with the end of the second connecting part, the front end of the handle extends out of the second connecting part and is fixedly connected with the lock block, the elastic connecting piece is fixedly installed at the bottom of the installation slot and below the handle, and the lock block is matched with the lock slot under the elastic force of the elastic connecting piece without external force.

[0008] Further, a plurality of convex strips are arranged on the top of the end of the handle away from the lock block and are arranged along the length direction of the handle.

[0009] Beneficial effects:

[0010] 1. In the utility model, through the installation of the installation slot, the lock catch assembly and the lock slot, locking and unlocking can be conveniently realized, the bicycle is more time-saving and labor-saving when being opened or folded, the lock catch assembly is embedded on the second connecting part, the self-locking mechanism is effectively prevented from being exposed, passive opening caused by accidental touch is prevented, the safety performance is improved, and the aesthetic effect is improved.

[0011] 2. In the utility model, through the installation of the protective cover plate and the elastic switch, passive opening caused by accidental touch is further prevented, the safety performance is improved, and when in use, the lock catch assembly can be relatively rotated and unlocked only when the protective cover plate is opened by the elastic switch; when the installation slot is closed by the protective cover plate, the top surface of the protective cover plate is flush with the surface of the second connecting part, and the aesthetic effect is further improved.

[0012] 3. In the utility model, through the installation of the handle, the elastic connecting piece and the lock block matched with the lock slot, the lock block and the lock slot can be matched and separated by pressing the handle according to the lever principle, the elastic force of the elastic connecting piece can be used to automatically reset the handle and prevent the handle from being freely rotated, and the lock block and the lock slot can be tightly matched, and the connecting strength between the first connecting part and the second connecting part is improved.

[0013] 4. In the utility model, through the installation of the plurality of convex strips, the friction force is improved, and the handle is conveniently pressed. DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating labor.

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 The partial installation structure view of the utility model.

[0017] Mark explanation:

[0018] 1, first connecting part;2, second connecting part;3, lock catch assembly;31, handle;32, lock block;4, lock groove;5, protective cover plate;6, elastic switch;7, convex strip. Specific implementation

[0019] In order to make the above-mentioned purpose, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application are described in detail below. In the following description, a lot of specific details are set forth in order to fully understand the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0020] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application.

[0021] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first" and "second" can include at least one of the features explicitly or implicitly. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0022] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] In this application, unless otherwise explicitly specified and limited, a first feature is "on" or "under" a second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "over", "above" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the first feature is higher in horizontal height than the second feature. The first feature "under", "below" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the first feature is lower in horizontal height than the second feature.

[0024] It should be noted that when an element is referred to as "fixed to" or "provided on" another element, it can be directly on the other element or there can be a mediating element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or a mediating element can be present at the same time. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are only for illustrative purposes and do not represent the only implementation.

[0025] The utility model provides a folding bicycle self -locking mechanism, like Figure 1 And Figure 2 As shown, including with the first connecting part 1 of car frame connection and with the second connecting part 2 of folding car frame connection, the first connecting part 1 far from the one side of car frame one end and the second connecting part 2 far from the one side of folding car frame one end hinged, opposite the other side is equipped with locking mechanism, through locking mechanism can connect fixedly with the first connecting part 1 and the second connecting part 2, and ensure that the axis of both is collinear, also can make it around the hinge point freely rotating folding, the locking mechanism includes lock catch assembly 3 and lock slot 4, the lock slot 4 is installed in the first connecting part 1 near the second connecting part 2 one end, the second connecting part 2 is equipped with the installation slot of through end part, the lock catch assembly 3 with the end part rotation connection of the second connecting part 2, specific rotation direction is the direction of approaching or moving away from the first connecting part 1 or the second connecting part 2, the one end of lock catch assembly 3 is located in the installation slot, the other end extends out the second connecting part 2 and cooperates with lock slot 4, when the end of lock catch assembly 3 in installation slot is around the rotation point and the bottom of installation slot contact, the other end is separated from lock slot 4, and both realize unlocking, at this time the first connecting part 1 and the second connecting part 2 around the hinge point can freely rotate, realize the folding of bicycle.

[0026] In the embodiment, through the installation groove, the lock catch assembly 3 and the lock slot 4, the locking and unlocking can be conveniently realized, the bicycle is more time-saving and labor-saving when being opened or folded, the lock catch assembly 3 is embedded on the second connecting part 2, the self-locking mechanism is effectively prevented from being exposed, the passive opening phenomenon caused by accidental touch is prevented, the safety performance is improved, and the aesthetic effect is improved.

[0027] In the utility model, preferably, as shown in Figure 1 and Figure 2 The locking mechanism further comprises a protective cover plate 5 and an elastic switch 6, the protective cover plate 5 is rotatably connected with the end of the second connecting part 2, the middle part of the protective cover plate 5 is provided with a connecting hole for the lock catch assembly 3 to pass through, the elastic switch 6 is installed at one end of the installation groove away from the end of the second connecting part 2 and extends out of the side surface of the second connecting part 2, so that the elastic switch 6 is convenient to press and control, when the protective cover plate 5 closes the installation groove through the elastic switch 6, that is, when the protective cover plate 5 rotates to coincide with the installation groove, the connecting hole cooperates with the lock catch assembly 3, the lock catch assembly 3 is relatively fixed with the second connecting part 2, at this time, the lock catch assembly 3 cannot rotate towards the bottom of the installation groove, the lock catch assembly 3 remains to cooperate with the lock slot 4, and the locking is realized, when the protective cover plate 5 opens the installation groove through the elastic switch 6, that is, when the protective cover plate 5 rotates around the rotation point to form a certain angle with the installation groove, the lock catch assembly 3 rotates relative to the second connecting part 2, at this time, the end of the lock catch assembly 3 can be rotated to be close to the bottom of the installation groove through an external force, so that the other end of the lock catch assembly 3 is separated from the lock slot 4, and the unlocking is realized, when the protective cover plate 5 closes the installation groove, the top surface of the protective cover plate 5 is flush with the surface of the second connecting part 2.

[0028] In the embodiment, through the protective cover plate 5 and the elastic switch 6, the passive opening phenomenon caused by accidental touch can be further prevented, the safety performance is improved, and the aesthetic effect is improved.

[0029] In the utility model, preferably, as shown in Figure 1 and Figure 2As shown, the lock catch assembly 3 comprises a handle 31, an elastic connecting piece and a lock block 32 matched with the lock slot 4, the handle 31 is rotationally connected with the end of the second connecting part 2, the front end of the handle 31 extends out of the second connecting part 2 and is fixedly connected with the lock block 32, the length of the handle 31 in the mounting groove is greater than the length of the end extending out of the second connecting part 2, so that the pressing is more labor-saving, wherein the lock block 32 is an L-shaped structure or the like, and the movable snap structure between the lock block 32 and the lock slot 4 is ensured, the elastic connecting piece is fixedly installed at the bottom of the mounting groove and below the handle 31, and specifically, the end of the elastic connecting piece is located close to the end of the handle 31 away from the lock block 32, under the action of the elastic force of the elastic connecting piece, the lock block 32 is matched with the lock slot 4 without external force, and the lock block 32 can be quickly separated from the lock slot 4 by pressing the handle 31 under the action of the external force.

[0030] In the embodiment, the handle 31, the elastic connecting piece and the lock block 32 matched with the lock slot 4 are arranged, the cooperation and separation of the lock block 32 and the lock slot 4 can be realized by pressing the handle 31 by using the lever principle, and the elastic force of the elastic connecting piece can be used to automatically reset the handle 31 to avoid free rotation of the handle 31 and to ensure the close cooperation of the lock block 32 and the lock slot 4 and improve the connection strength between the first connecting part 1 and the second connecting part 2.

[0031] In the utility model, preferably, as shown in Figure 1 and Figure 2 As shown, a plurality of convex strips 7 are arranged at the top of the end of the handle 31 away from the lock block 32.

[0032] In the embodiment, the plurality of convex strips 7 are arranged to improve the friction and facilitate the pressing of the handle 31 and avoid the slipping phenomenon during pressing.

[0033] The technical features of the above-mentioned embodiments can be combined arbitrarily, and in order to make the description simple, all possible combinations of the technical features in the above-mentioned embodiments are not described, however, as long as the combinations of the technical features do not exist contradictory, it should be considered that it is within the scope of the present application.

[0034] The above-mentioned embodiments only express several implementation manners of the present application, the description is more specific and detailed, but it should not be understood as the limitation of the patent application scope. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A folding bicycle self-locking mechanism, comprising a first connecting part (1) connected with a frame and a second connecting part (2) connected with a folding frame, one side of the first connecting part (1) away from one end of the frame and one side of the second connecting part (2) away from one end of the folding frame are hinged, and the opposite sides are provided with locking mechanisms, characterized in that, The locking mechanism comprises a lock catch assembly (3) and a lock slot (4), the lock slot (4) is installed on the first connecting part (1) near one end of the second connecting part (2), the second connecting part (2) is provided with a mounting slot penetrating the end, the lock catch assembly (3) is rotationally connected with the end of the second connecting part (2), one end of the lock catch assembly (3) is located in the mounting slot, the other end extends out of the second connecting part (2) and cooperates with the lock slot (4), when the end of the lock catch assembly (3) located in the mounting slot contacts the bottom of the mounting slot around the rotation point, the other end is separated from the lock slot (4), the first connecting part (1) and the second connecting part (2) rotate freely around the hinge point.

2. The folding bicycle freewheel mechanism according to claim 1, wherein, The locking mechanism further comprises a protective cover plate (5) and an elastic switch (6), the protective cover plate (5) is rotationally connected with the end of the second connecting part (2), the middle part of the protective cover plate (5) is provided with a connecting hole for the lock catch assembly (3) to pass through, the elastic switch (6) is installed on one end of the mounting slot away from the end of the second connecting part (2), when the protective cover plate (5) closes the mounting slot through the elastic switch (6), the connecting hole cooperates with the lock catch assembly (3), the lock catch assembly (3) is relatively fixed with the second connecting part (2), when the protective cover plate (5) opens the mounting slot through the elastic switch (6), the lock catch assembly (3) rotates relatively with the second connecting part (2).

3. The folding bicycle freewheel mechanism of claim 2, wherein, When the protective cover plate (5) closes the mounting slot, the top surface of the protective cover plate (5) is flush with the surface of the second connecting part (2).

4. A folding bicycle freewheeling mechanism according to any one of claims 1 to 3, wherein The lock catch assembly (3) comprises a handle (31), an elastic connecting piece and a lock block (32) cooperating with the lock slot (4), the handle (31) is rotationally connected with the end of the second connecting part (2), the front end of the handle (31) extends out of the second connecting part (2) and is fixedly connected with the lock block (32), the elastic connecting piece is fixedly installed on the bottom of the mounting slot and is located below the handle (31), when there is no external force, the lock block (32) cooperates with the lock slot (4) under the elastic force of the elastic connecting piece.

5. The folding bicycle freewheel mechanism of claim 4, wherein, The top of one end of the handle (31) away from the lock block (32) is provided with a plurality of protrusions (7), the plurality of protrusions (7) are arranged in the length direction of the handle (31).

Images