Quick release connector and bicycle

Abstract

The embodiment of the utility model discloses a quick-release connector and a bicycle, the quick-release connector is used for connecting an oil inlet end of an anti-lock braking system of the bicycle with an oil pipe, and the quick-release connector comprises a female head, a male head and a connecting bayonet lock. The female head is connected to the oil inlet end, and two first clamping grooves which are oppositely arranged are formed in the female head; the male head is connected to the oil pipe, the end, away from the oil pipe, of the male head is detachably inserted into the end, away from the oil inlet end, of the female head, two oppositely-arranged second clamping grooves are formed in the male head, and the first clamping grooves communicate with the second clamping grooves in an aligned mode so that the first clamping grooves can be exposed out of the second clamping grooves; the connecting clamping pin is inserted into the second clamping groove and forms extrusion force on the male head in the radial direction, and the connecting clamping pin abuts against the inner wall, in the axial direction, of the first clamping groove and the inner wall, in the axial direction, of the second clamping groove so as to limit relative movement of the male head and the female head in the axial direction. Through cooperation of the connecting clamping pin, the male head and the female head, the problem that the disassembly and assembly process of the quick-disassembly connector is tedious is effectively solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of bicycles, in particular to a quick-release joint and a bicycle. BACKGROUND

[0002] With the continuous progress of bicycle technology, hydraulic technology is increasingly used in the transmission system and brake system of bicycles, and the use of oil pipes is becoming increasingly common. However, most traditional oil pipe joints use threaded connections, which are not only cumbersome to operate, but also prone to reduced sealing performance and even oil leakage due to frequent disassembly and assembly. The traditional bicycle oil pipe is cumbersome to connect at the ABS end and the ABS module is invalid after disassembly, which improves the convenience and reliability of the bicycle oil pipe connection. CONTENT OF THE INVENTION

[0003] The embodiments of the present application provide a quick-release joint and a bicycle to improve the problem of cumbersome disassembly of the traditional bicycle oil pipe at the ABS end.

[0004] In a first aspect, the embodiments of the present application provide a quick-release joint for connecting an oil inlet end of an anti-lock braking system of a bicycle and an oil pipe, the quick-release joint comprising:

[0005] a female head connected to the oil inlet end, the female head being provided with two oppositely arranged first clamping grooves;

[0006] a male head connected to the oil pipe, and an end of the male head away from the oil pipe being detachably inserted into an end of the female head away from the oil inlet end, the male head being provided with two oppositely arranged second clamping grooves, the first clamping grooves and the second clamping grooves being in communication in position to expose the first clamping grooves from the second clamping grooves;

[0007] a connecting pin inserted into the second clamping grooves and forming a radial direction extrusion force on the male head, and the connecting pin and the inner wall of the first clamping grooves in the axial direction and the inner wall of the second clamping grooves in the axial direction are all in abutment to limit the relative movement of the male head and the female head in the axial direction.

[0008] In some embodiments of the present application, the connecting pin has elastic deformation characteristics and includes a first clamping arm, a second clamping arm, and a U-shaped reinforcing portion, one end of the reinforcing portion is connected to the first clamping arm, the other end is connected to the second clamping arm, the first clamping arm and the second clamping arm are oppositely arranged, the first clamping arm passes through one of the first clamping grooves and one of the second clamping grooves, and the second clamping arm passes through the other of the first clamping grooves and the other of the second clamping grooves, so that the first clamping arm and the second clamping arm form an extrusion force on the male head.

[0009] In some embodiments of the present application, the distance between the first clamping arm and the second clamping arm is less than the distance between the inner walls of the second clamping groove in the radial direction when the connection shackle is in the natural state.

[0010] In some embodiments of the present application, the male head comprises a plug body, a first annular protrusion and a second annular protrusion, the first annular protrusion and the second annular protrusion are arranged on the surface of the plug body, and the first annular protrusion and the second annular protrusion are arranged in the axial direction of the plug body to form the second clamping groove.

[0011] In some embodiments of the present application, the side of the first annular protrusion away from the second annular protrusion is provided with a guide inclined surface.

[0012] In some embodiments of the present application, the quick release connector further comprises a sealing ring, the female head is provided with an annular step, the annular step defines a connection port for the male head to be inserted into the female head, the sealing ring is arranged in the female head and abuts against the annular step, and one end of the male head inserted into the female head penetrates through the sealing ring and abuts against the inner side of the sealing ring.

[0013] In some embodiments of the present application, the quick release connector further comprises a one-way valve, the one-way valve is arranged in the female head and abuts against the sealing ring and the male head.

[0014] In some embodiments of the present application, the one-way valve comprises a sleeve, a spring and a valve core, the sleeve is provided with a bearing step inside, one end of the spring is arranged on the bearing step, the other end abuts against the valve core, the end of the valve core away from the spring abuts against the male head, and the spring is in a compressed state.

[0015] In some embodiments of the present application, the side of the valve core close to the male head is provided with an oil inlet cavity and an oil outlet port which are in communication with each other, the oil inlet cavity is in communication with the oil inlet channel of the male head, and the oil inlet cavity is in communication with the sleeve through the oil outlet port.

[0016] In a second aspect, the embodiments of the present application provide a vehicle comprising the quick release connector of the first aspect.

[0017] Therefore, the quick-release connector disclosed in the embodiments of this application, by opening a second clamping groove in the male connector and a first clamping groove in the female connector, aligning and communicating the first and second clamping grooves, and then using a connecting pin inserted into the second clamping groove to apply radial pressure to the male connector, allows the connecting pin to clamp the male connector, thereby fixing the connecting pin at the male connector. Furthermore, the connecting pin abuts against the inner walls of both the first and second clamping grooves in the axial direction, restricting the relative movement of the male and female connectors in the axial direction, thus achieving the limiting and fixing of the male and female connectors. When it is necessary to pull the male connector out of the female connector, simply pull the connecting pin out of the first and second clamping grooves to pull the male connector out of the female connector in the axial direction. Disassembly does not require other tools, and unlike traditional quick-release connectors that use threaded connections, which are prone to wear at the threads after repeated disassembly, leading to a decrease in sealing performance, this improves the ease of disassembly and assembly of the quick-release connector. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of a quick-release connector provided in an embodiment of this application;

[0020] Figure 2 for Figure 1 An explosion diagram;

[0021] Figure 3 for Figure 1 A cross-sectional schematic diagram;

[0022] Figure 4 This is a schematic diagram of the structure of a connecting pin in a quick-release connector provided in an embodiment of this application.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. Female connector; 11. First clamping groove; 12. Annular step; 2. Male connector; 21. Insertion body; 22. First annular protrusion; 221. Guide slope; 23. Second annular protrusion; 24. Second clamping groove; 3. Connecting pin; 31. First clamping arm; 32. Second clamping arm; 33. Reinforcing part; 4. One-way valve; 41. Sleeve; 411. Bearing step; 42. Spring; 43. Valve core; 431. Oil inlet chamber; 432. Oil outlet; 5. Sealing ring. Detailed Implementation

[0025] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work fall within the scope of the present application.

[0026] In the description of the present application, it should be understood that the words "first", "second" are only used for descriptive purpose, and cannot be understood as indicating or implying relative importance or indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0027] Please refer to Figures 1 to 4 The embodiments of the present application provide a quick release connector for connecting an oil inlet end of an anti-lock braking system of a bicycle and an oil pipe, the quick release connector comprising a female head 1, a male head 2 and a connecting pin 3.

[0028] The female head 1 is connected to the oil inlet end, and the female head 1 is provided with two oppositely arranged first clamping grooves 11. The male head 2 is connected to the oil pipe, and the end of the male head 2 away from the oil pipe is detachably inserted into the end of the female head 1 away from the oil inlet end. The male head 2 is provided with two oppositely arranged second clamping grooves 24. The first clamping grooves 11 and the second clamping grooves 24 are in communication in position, so that the first clamping grooves 11 are exposed to the second clamping grooves 24. The connecting pin 3 is inserted into the second clamping grooves 24 and forms a radial extrusion force on the male head 2. The connecting pin 3 and the inner wall of the first clamping grooves 11 in the axial direction, and the inner wall of the second clamping grooves 24 in the axial direction are all in abutment, so as to limit the relative movement of the male head 2 and the female head 1 in the axial direction.

[0029] The technical scheme provided in the application comprises the following steps: a second clamping groove 24 is formed in the male head 2, a first clamping groove 11 is formed in the female head 1, the first clamping groove 11 and the second clamping groove 24 are in alignment and communication, then the connecting pin 3 is inserted into the second clamping groove 24 and exerts a radial extrusion force on the male head 2, so that the connecting pin 3 can clamp the male head 2, and then the connecting pin 3 can be fixed to the male head 2. In addition, the connecting pin 3 abuts against the inner wall of the first clamping groove 11 in the axial direction and the inner wall of the second clamping groove 24 in the axial direction, so as to limit the relative movement of the male head 2 and the female head 1 in the axial direction, and to achieve the limiting and fixing of the male head 2 and the female head 1. When it is needed to pull out the male head 2 from the female head 1, the connecting pin 3 is only needed to be pulled out from the first clamping groove 11 and the second clamping groove 24, and then the male head 2 can be pulled out from the female head 1 in the axial direction. The disassembly does not need other tools, and the problem of the wear of the threads and the decline of the sealing performance caused by the multiple disassembly of the traditional quick release connector is avoided, the disassembly convenience of the quick release connector is improved, and the disassembly is simpler.

[0030] In some embodiments, referring to Figure 4 , the connecting pin 3 has elastic deformation characteristics and comprises a first clamping arm 31, a second clamping arm 32 and a U-shaped reinforcing part 33. One end of the reinforcing part 33 is connected with the first clamping arm 31, and the other end of the reinforcing part 33 is connected with the second clamping arm 32. The first clamping arm 31 and the second clamping arm 32 are oppositely arranged. The first clamping arm 31 passes through one first clamping groove 11 and one second clamping groove 24, and the second clamping arm 32 passes through another first clamping groove 11 and another second clamping groove 24, so that the first clamping arm 31 and the second clamping arm 32 exert an extrusion force on the male head 2.

[0031] Exemplarily, the reinforcing part 33 is symmetrically bent in a U shape and is connected with the two clamping arms perpendicularly, so as to improve the overall strength of the connecting pin 3. The reinforcing part 33 can serve as an elastic deformation energy storage unit to store elastic potential energy when the clamping arms are pressed to open, and automatically restore the initial spacing when the pin is pulled out, resisting the lateral bending moment. The first clamping arm 31 and the second clamping arm 32 are structurally identical, and only the first clamping arm 31 is described here. The same applies to the second clamping arm 32. The first clamping arm 31 is in a cylindrical shape, so that the male head 2 can smoothly transition when extruding the two clamping arms during the insertion of the male head 2 into the female head 1, and the two clamping arms are opened.

[0032] The specific installation process of the connecting pin 3, the male head 2 and the female head 1 is as follows:

[0033] Firstly, the connecting snap 3 is inserted into the first clamping groove 11, so that the snap is in an expanded state, and the female head 1 is clamped. Then the male head 2 is inserted into the female head 1, and in the process of insertion, the male head 2 will extrude the connecting snap 3, so that the first clamping arm 31 and the second clamping arm 32 are further expanded until the first clamping arm 31 and the second clamping arm 32 fall into the second clamping groove 24, the distance between the first clamping arm 31 and the second clamping arm 32 is reduced, and the male head 2 is clamped at the second clamping groove 24, thereby limiting the movement of the male head 2 and the female head 1 in the axial direction, and at this time the connecting snap 3 is still in the expanded state, so that the first clamping arm 31 and the second clamping arm 32 can continuously extrude the male head 2, thereby improving the connection stability of the male head 2 and the female head 1.

[0034] Further, when the connecting snap 3 is in a natural state, the distance between the first clamping arm 31 and the second clamping arm 32 is less than the distance between the inner walls of the two second clamping grooves 24 in the radial direction, so that the first clamping arm 31 and the second clamping arm 32 continuously extrude the male head 2, thereby improving the connection stability and avoiding the connecting snap 3 from falling off.

[0035] In some embodiments, the male head 2 includes a plug-in body 21, a first annular protrusion 22, and a second annular protrusion 23. The first annular protrusion 22 and the second annular protrusion 23 are both arranged on the surface of the plug-in body 21, and the first annular protrusion 22 and the second annular protrusion 23 are arranged in the axial direction of the plug-in body 21 to form the second clamping groove 24.

[0036] Exemplarily, the male head 2 of the present embodiment adopts a unique double-ring protrusion structure design, the plug-in body 21 is a cylindrical body, the outer diameter of which forms a precise sliding fit with the inner hole of the female head 1, and the surface of the plug-in body 21 is polished to reduce the insertion resistance. The first annular protrusion 22 and the second annular protrusion 23 define the second clamping groove 24, and when the plug-in body 21 is inserted into the female head 1, the connecting snap 3 will contact the first annular protrusion 22 and be extruded by the first annular protrusion 22, so that the first clamping arm 31 and the second clamping arm 32 are away from each other until the plug-in body 21 is inserted to the target position, and the first clamping arm 31 and the second clamping arm 32 are clamped into the second clamping groove 24 respectively under the action of the elastic deformation of themselves, thereby achieving the limiting and fixing of the female head 1 and the male head 2 in the axial direction. In the entire installation process, the male head 2 is only inserted into the female head 1 until the first clamping arm 31 and the second clamping arm 32 are clamped into the second clamping groove 24 respectively, and the connection and fixation of the male head 2 and the female head 1 can be completed. The disassembly of the male head 2 and the female head 1 also only needs to first pull out the connecting snap 3 from the first clamping groove 11 and the second clamping groove 24, and then pull out the male head 2, and the entire process is simple and fast, and will not cause fatigue damage due to threads.

[0037] Further, the first annular protrusion 22 is provided with a guide slope 221 on the side away from the second annular protrusion 23, so that when the first annular protrusion 22 passes through the connecting latch 3, the first clamping arm 31 and the second clamping arm 32 can be gradually deformed along the guide slope 221 respectively, so that the distance between the first clamping arm 31 and the second clamping arm 32 is expanded more smoothly, and the situation that the clamping arm is clamped with the first annular protrusion 22 is avoided.

[0038] In some embodiments, the quick release connector further comprises a sealing ring 5. The female head 1 is provided with an annular step 12. The annular step 12 defines a connecting port for the male head 2 to insert into the female head 1. The sealing ring 5 is arranged in the female head 1 and abuts against the annular step 12. The end of the male head 2 inserted into the female head 1 passes through the sealing ring 5 and abuts against the inner side of the sealing ring 5. By abutting the sealing ring 5 against the annular step 12 and the inner side of the sealing ring 5 against the male head 2, the sealing of the female head 1 is realized.

[0039] In some embodiments, the quick release connector further comprises a one-way valve 4, which is arranged in the female head 1 and abuts against the sealing ring 5 and the male head 2. The sealing ring 5 is clamped between the one-way valve 4 and the annular step 12, so as to fix the sealing ring 5. The abutment of the one-way valve 4 and the male head 2 facilitates the male head 2 to deliver oil into the one-way valve 4.

[0040] Further, the one-way valve 4 comprises a sleeve 41, a spring 42 and a valve core 43. The sleeve 41 is provided with a bearing step 411. One end of the spring 42 is arranged on the bearing step 411, and the other end abuts against the valve core 43. The end of the valve core 43 away from the spring 42 abuts against the male head 2, and the spring 42 is in a compressed state. The abutment of the valve core 43 and the male head 2 enables the oil in the male head 2 to flow into the valve core 43 and then into the inner cavity of the female head 1. Specifically, the side of the valve core 43 close to the male head 2 is provided with an oil inlet chamber 431 and an oil outlet 432 which are in communication with each other. The oil inlet chamber 431 is in communication with the oil inlet channel of the male head 2, and the oil inlet chamber 431 is in communication with the sleeve 41 through the oil outlet 432. When the oil in the male head 2 flows into the oil inlet chamber 431, the oil will further flow into the sleeve 41 through the oil outlet 432, and then flow into the anti-lock braking system through the sleeve 41.

[0041] The installation process and disassembly process of the quick release connector will be described in detail as follows:

[0042] The installation process: first, the connecting pin 3 is inserted into the first clamping groove 11 of the female head 1, providing a fixed basis for the subsequent connection of the male head 2. Then the male head 2 is inserted into the female head 1, so that the channel for flowing oil of the male head 2 communicates with the oil inlet cavity 431 of the valve core 43. During the process of inserting the male head 2 into the female head 1, the male head 2 will extrude the connecting pin 3 until the connecting pin 3 is clamped into the second clamping groove 24. At this time, it means that the male head 2 has been inserted into place, the male head 2 abuts against the female head 1, and cooperates with the sealing ring 5 to realize the sealing of the female head 1. At this time, the connecting pin 3 also realizes the fixation of the male head 2 and the female head 1, limiting the movement of the male head 2 and the female head 1 in the axial direction.

[0043] The disassembly process: first, the connecting pin 3 is pulled out of the first clamping groove 11 and the second clamping groove 24, and then the male head 2 is directly pulled out of the female head 1, that is, the disassembly of the male head 2 and the female head 1 is completed. And during the process of pulling the male head 2 out of the female head 1, the elastic force of the spring 42 will act on the valve core 43, so that the valve core 43 moves towards the direction of the annular step 12 until the valve core 43 abuts against the sealing ring 5, realizing the sealing of the female head 1, avoiding the oil in the female head 1 from leaking out after the male head 2 is pulled out of the female head 1.

[0044] The embodiments of the present application also provide a bicycle comprising the quick release connector in any of the foregoing embodiments. Since the bicycle comprises the quick release connector, the bicycle has the same beneficial effects as the quick release connector, which will not be described here.

[0045] The foregoing detailed description has been made to the basic concept, and it is obvious that the foregoing detailed disclosure is only taken as an example and does not constitute a limitation on the present application. Although it is not explicitly stated herein, those skilled in the art can make various modifications, improvements and corrections to the present application. Such modifications, improvements and corrections are suggested in the present application, so such modifications, improvements and corrections still belong to the spirit and scope of the exemplary embodiments of the present application.

[0046] Meanwhile, specific words are used in the present application to describe the embodiments of the present application. As "one embodiment", "an embodiment", and / or "some embodiments" means a certain feature, structure or characteristic related to at least one embodiment of the present application. Therefore, it should be emphasized and noted that the "an embodiment" or "one embodiment" or "one alternative embodiment" mentioned in different positions in the specification does not necessarily mean the same embodiment. In addition, some features, structures or characteristics in one or more embodiments of the present application can be properly combined.

[0047] For simplicity and to facilitate understanding of one or more embodiments of the application, a description of an embodiment of the application is sometimes divided into multiple parts, each part being described in a separate section of the specification. However, the division into multiple parts is not meant to limit the subject application to more than one embodiment. In fact, an embodiment of the application can have fewer features than all features disclosed in a particular section of the specification.

[0048] Each patent, patent application, patent publication, and other material, such as articles, books, specifications, publications, documents, and the like, referenced herein are hereby incorporated herein by reference in their entirety for the teachings relevant to the sentence and / or paragraph in which the reference is made. Discrepancies between art in the present application and art in the incorporated-by-reference reference material are intended to be resolved in favor of the art in the present application.

[0049] The preferred embodiments of the application are described herein with reference to the accompanying drawings. The description of the preferred embodiments is not intended to limit or restrict the scope of the application as set forth in the claims, but is merely intended to describe the preferred embodiments of the application. The scope of the application is defined by the claims.

Claims

1. A quick-release connector for connecting the oil inlet of a bicycle's anti-lock braking system to an oil pipe, characterized in that, The quick-release connector includes: A female head, connected to the oil inlet end, has two opposing first clamping grooves; The male connector is connected to the oil pipe, and the end of the male connector away from the oil pipe is detachably inserted into the end of the female connector away from the oil inlet. The male connector has two opposing second clamping grooves, and the first clamping groove and the second clamping groove are aligned and connected so that the first clamping groove is exposed to the second clamping groove. A connecting pin is inserted into the second clamping groove and applies radial pressure to the male head. The connecting pin also abuts against the inner walls of the first and second clamping grooves in the axial direction to restrict relative movement between the male and female heads in the axial direction.

2. The quick-release connector according to claim 1, characterized in that, The connecting pin has elastic deformation characteristics and includes a first clamping arm, a second clamping arm, and a U-shaped reinforcing part. One end of the reinforcing part is connected to the first clamping arm, and the other end is connected to the second clamping arm. The first clamping arm and the second clamping arm are arranged opposite to each other. The first clamping arm passes through one first clamping groove and one second clamping groove, and the second clamping arm passes through another first clamping groove and another second clamping groove, so that the first clamping arm and the second clamping arm exert a compressive force on the male head.

3. The quick-release connector according to claim 2, characterized in that, When the connecting pin is in its natural state, the distance between the first clamping arm and the second clamping arm is less than the distance between the inner walls of the two second clamping slots in the radial direction.

4. The quick-release connector according to claim 3, characterized in that, The male connector includes a plug-in body, a first annular protrusion, and a second annular protrusion. The first annular protrusion and the second annular protrusion are both disposed on the surface of the plug-in body, and the first annular protrusion and the second annular protrusion are spaced apart along the axial direction of the plug-in body to form the second clamping groove.

5. The quick-release connector according to claim 4, characterized in that, The first annular protrusion has a guide slope on the side away from the second annular protrusion.

6. The quick-release connector according to claim 1, characterized in that, The quick-release connector also includes a sealing ring. The female connector has an annular step inside, which defines a connection port for the male connector to be inserted into the female connector. The sealing ring is located inside the female connector and abuts against the annular step. One end of the male connector inserted into the female connector passes through the sealing ring and abuts against the inner side of the sealing ring.

7. The quick-release connector according to claim 6, characterized in that, The quick-release connector also includes a one-way valve, which is located inside the female connector and abuts against both the sealing ring and the male connector.

8. The quick-release connector according to claim 7, characterized in that, The one-way valve includes a sleeve, a spring, and a valve core. The sleeve has a bearing step inside. One end of the spring is located on the bearing step, and the other end abuts against the valve core. The end of the valve core away from the spring abuts against the male end. The spring is in a compressed state.

9. The quick-release connector according to claim 8, characterized in that, The valve core has an oil inlet chamber and an oil outlet that are connected to each other on the side near the male end. The oil inlet chamber is connected to the oil inlet channel of the male end, and the oil inlet chamber is connected to the sleeve through the oil outlet.

10. A bicycle, characterized in that, Includes the quick-release connector as described in any one of claims 1 to 9.

Images