Quick-release chain capable of being quickly linked and separated

Abstract

The utility model discloses a quick-release type chain capable of quickly linking and separating, which comprises a first chain link and a second chain link, and further comprises a quick-release component and a connecting piece, the quick-release component is arranged between the first chain link and the second chain link, the connecting piece is arranged at one end of the quick-release component, and the connecting piece comprises a connecting rod and a connecting sleeve, the connecting rod is inserted into the connecting sleeve in a penetrating mode, the quick release assembly comprises a first side plate, a second side plate and a pin shaft, the first side plate and the second side plate are symmetrically arranged, and the pin shaft is arranged at the other end of the quick release assembly. According to the chain disassembling device, the chain is disassembled through the design of the quick disassembling assembly and the connecting piece, the connecting rod and the connecting sleeve are separated by inserting a screwdriver into the rotating groove and rotating the rotating disc, and the connecting sleeve is pulled out of the first circular groove and the second circular groove, so that the quick disassembling assembly and the second chain link can be separated, and quick disassembling of the chain is achieved; and the situation of injury caused by pressing the chain is avoided.

Description

Technical Field

[0001] This utility model relates to the field of chain technology, and in particular to a quick-release chain for rapid connection and separation. Background Technology

[0002] Chains are an essential part of mechanical transmission. On bicycles, chains drive sprockets to rotate. When a chain malfunctions, it can be disassembled using quick-release links.

[0003] Traditional quick-release chain links have slots on the side plates that engage with pins to connect the quick-release chain links to adjacent links. However, when disassembling the chain manually, it is necessary to manually press the quick-release chain link and the adjacent chain link to move the pin out of the slot. During the pressing process, the chain link may press against the hand, causing injury to the person disassembling the chain. Utility Model Content

[0004] The purpose of this invention is to provide a quick-release chain for rapid connection and separation, in order to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a quick-release chain for rapid connection and separation, comprising a first link and a second link, and further comprising:

[0006] A quick-release assembly is disposed between a first link and a second link;

[0007] A connector is disposed at one end of a quick-release assembly. The connector is used for quick release of the chain. The connector includes a connecting rod and a connecting sleeve, with the connecting rod inserted inside the connecting sleeve.

[0008] Preferably, the quick-release assembly includes:

[0009] The first side plate and the second side plate are symmetrically arranged.

[0010] A pin is provided at the other end of the quick-release assembly, and the pin is used to connect the quick-release assembly and the first link.

[0011] Preferably, a first circular groove and a second circular groove are respectively provided at one end of the first side plate and the second side plate, a third circular groove is provided on one side of the first circular groove, and a fourth circular groove is provided on one side of the second circular groove.

[0012] Preferably, the connecting sleeve is inserted into the first and second circular grooves, one end of the connecting sleeve is fixedly connected to a limiting disc for engaging with the fourth circular groove, and one end of the connecting rod is fixedly connected to a turntable for engaging with the third circular groove.

[0013] Preferably, the inner wall of the fourth circular groove is provided with a snap-fit ​​groove, and the outer wall of the limiting disk is fixedly connected with a limiting block, which is interlocked with the snap-fit ​​groove.

[0014] Preferably, the turntable has a rotation groove at the end away from the connecting rod.

[0015] Preferably, the other end of the connecting sleeve is provided with a threaded groove, and the outer wall of the connecting rod is provided with a connecting thread, wherein the thread on the inner wall of the threaded groove and the connecting thread mesh with each other.

[0016] The technical effects and advantages of this utility model are as follows:

[0017] This invention utilizes the design of quick-release components and connectors to disassemble the chain. By inserting a screwdriver into the rotating groove and rotating the turntable, the connecting rod is separated from the connecting sleeve. The connecting sleeve is then pulled out of the first and second circular grooves, allowing the quick-release component to be separated from the second chain link. This achieves rapid chain disassembly without causing injury from pressing the chain. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model.

[0019] Figure 2 This is one of the three-dimensional structural diagrams of the quick-release component of this utility model.

[0020] Figure 3 This is the second three-dimensional structural diagram of the quick-release component of this utility model.

[0021] Figure 4 This is a three-dimensional structural diagram of the first side plate of this utility model.

[0022] Figure 5 This is a three-dimensional structural diagram of the second side plate of this utility model.

[0023] Figure 6 This is a three-dimensional structural diagram of the connecting sleeve of this utility model.

[0024] Figure 7 This is a three-dimensional structural diagram of the connecting rod of this utility model.

[0025] In the diagram: 1. First link; 2. Second link; 3. Quick-release assembly; 31. First side plate; 32. Second side plate; 33. Pin; 4. Connector; 41. Turntable; 42. Connecting rod; 43. Rotating groove; 44. Connecting sleeve; 45. Limiting disc; 46. Limiting block. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] This utility model provides, for example Figure 1-7 The quick-release chain shown includes a first link 1 and a second link 2, and further includes:

[0028] Quick-release assembly 3 is disposed between the first link 1 and the second link 2;

[0029] Connector 4 is located at one end of quick-release assembly 3. Connector 4 is used for quick release of chain. Connector 4 includes connecting rod 42 and connecting sleeve 44. Connecting rod 42 is inserted inside connecting sleeve 44.

[0030] Quick-release component 3 includes:

[0031] The first side plate 31 and the second side plate 32 are symmetrically arranged.

[0032] Pin 33 is located at the other end of quick-release assembly 3 and is used to connect quick-release assembly 3 and first link 1.

[0033] Furthermore, the first link 1 and the second link 2 are links of existing metal chains. The first link 1 and the second link 2 are located at adjacent ends of the quick-release assembly 3. The first side plate 31 and the second side plate 32 have the same dimensions as the side plate of the first link 1, and the pin 33 has the same pin as the pin of the first link 1. Therefore, the connection method between the pin 33 and the first side plate 31 and the second side plate 32 is the existing technology of existing links. The quick-release assembly 3 and the first link 1 are hinged through the pin 33, which is an existing technical means.

[0034] The first side plate 31 and the second side plate 32 are respectively provided with a first circular groove and a second circular groove at one end, a third circular groove is provided on one side of the first circular groove, and a fourth circular groove is provided on one side of the second circular groove.

[0035] The connecting sleeve 44 is inserted into the first and second circular grooves. One end of the connecting sleeve 44 is fixedly connected to a limiting disc 45 for engaging with the fourth circular groove. One end of the connecting rod 42 is fixedly connected to a turntable 41 for engaging with the third circular groove.

[0036] The inner wall of the fourth circular groove is provided with a snap-fit ​​groove, and the outer wall of the limiting disk 45 is fixedly connected with a limiting block 46, which is interlocked with the snap-fit ​​groove.

[0037] A rotating groove 43 is provided at the end of the turntable 41 away from the connecting rod 42.

[0038] The other end of the connecting sleeve 44 is provided with a threaded groove, and the outer wall of the connecting rod 42 is provided with a connecting thread. The thread on the inner wall of the threaded groove and the connecting thread mesh with each other.

[0039] Furthermore, the turntable 41 is flush with the side of the first side plate 31 away from the second side plate 32. The first and second circular grooves have the same size. The diameter of the first circular groove is the same as the outer diameter of the pin 33. The outer wall of the connecting sleeve 44 is smooth. The connecting sleeve 44 is made of metal. The outer diameter of the connecting sleeve 44 is the same as the diameter of the first circular groove. Thus, the connecting sleeve 44 is inserted through one end of the second link 2, so that the quick-release assembly 3 and the second link 2 form a hinge. The connecting sleeve 44 is welded and fixed at the contact part with the limiting disc 45. The limiting disc 45 is welded and fixed at the contact part with the limiting block 46. The size of the limiting disc 45 is adapted to the size of the fourth circular groove. The size of the snap-fit ​​groove is adapted to the size of the limiting block 46. The size of the third circular groove is adapted to the size of the turntable 41. The turntable 41 is welded and fixed at the contact part with the connecting rod 42. The rotating groove 43 is used to insert a flathead screwdriver or other tools.

[0040] When performing chain quick release, the chain can be separated using connector 4. The specific steps are as follows: insert the tip of a flathead screwdriver into the rotating groove 43, rotate the turntable 41 clockwise, and the turntable 41 drives the connecting rod 42 to move out of the threaded groove. Then, move the connecting sleeve 44 out of the first and second circular grooves to complete the separation of the second chain link 2 from the quick release assembly 3. During installation, first insert the connecting sleeve 44 into the first circular groove, the second circular groove, and the end of the second chain link 2, so that the limiting disc 45 and the limiting block 46 are respectively in the fourth circular groove and the snap-fit ​​groove to restrict the rotation of the connecting sleeve 44. Then, rotate the turntable 41 counterclockwise to make the connecting rod 42 threadedly connected to the threaded groove until the turntable 41 enters the third circular groove to complete the chain installation. This method can achieve quick disassembly and assembly without causing injury to the hands.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A quick-release chain for rapid connection and disconnection, comprising a first link (1) and a second link (2), characterized in that, Also includes: A quick-release assembly (3) is disposed between a first link (1) and a second link (2); Connector (4), the connector (4) is disposed at one end of quick release assembly (3), the connector (4) is used for quick release of chain, the connector (4) includes connecting rod (42) and connecting sleeve (44), the connecting rod (42) is inserted inside the connecting sleeve (44).

2. The quick-release chain for rapid connection and disassembly according to claim 1, characterized in that, The quick-release assembly (3) includes: The first side plate (31) and the second side plate (32) are symmetrically arranged. A pin (33) is provided at the other end of the quick-release assembly (3) and is used to connect the quick-release assembly (3) and the first link (1).

3. A quick-release chain for rapid connection and disassembly according to claim 2, characterized in that, The first side plate (31) and the second side plate (32) are respectively provided with a first circular groove and a second circular groove at one end, a third circular groove is provided on one side of the first circular groove, and a fourth circular groove is provided on one side of the second circular groove.

4. A quick-release chain for rapid connection and disassembly according to claim 3, characterized in that, The connecting sleeve (44) is inserted into the first and second circular grooves. One end of the connecting sleeve (44) is fixedly connected to a limiting disc (45) for engaging with the fourth circular groove. One end of the connecting rod (42) is fixedly connected to a turntable (41) for engaging with the third circular groove.

5. A quick-release chain for rapid connection and disassembly according to claim 4, characterized in that, The inner wall of the fourth circular groove is provided with a snap-fit ​​groove, and the outer wall of the limiting disk (45) is fixedly connected with a limiting block (46), and the limiting block (46) is interlocked with the snap-fit ​​groove.

6. A quick-release chain for rapid connection and disassembly according to claim 4, characterized in that, The turntable (41) has a rotating groove (43) at the end away from the connecting rod (42).

7. A quick-release chain for rapid connection and disassembly according to claim 1, characterized in that, The other end of the connecting sleeve (44) is provided with a threaded groove, and the outer wall of the connecting rod (42) is provided with a connecting thread, and the thread on the inner wall of the threaded groove meshes with the connecting thread.

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