Connecting clamping ring with reducing function

Abstract

The utility model discloses a connecting snap ring with a reducing function, relates to the technical field of connecting snap rings with reducing functions, and aims to solve the problems that the existing connecting snap ring can be subjected to reducing adjustment, but the fixing needs to be limited and fixed by an additional structure of the snap ring, so that the connecting snap ring is inconvenient to use and the like as the connecting snap ring is mostly used in a shaft groove. In order to solve the problem that a limiting structure outside a connecting snap ring is inconvenient to operate due to the fact that the applied shaft groove is limited by the size, the connecting snap ring comprises a first connecting ring and a second connecting ring, a rotating groove is formed in the first connecting ring, a rotating block is installed on the second connecting ring, and the rotating block is rotationally connected with the rotating groove through a pin shaft; an adjusting structure is mounted between the first connecting ring and the second connecting ring and comprises an arc-shaped plate, a threaded hole, an arc-shaped groove, a through hole and a bolt; the arc-shaped plate is installed on the first connecting ring, and the threaded hole is formed in the arc-shaped plate.

Description

Technical Field

[0001] The utility model relates to the field of connecting clamps, in particular to a connecting clamp with a diameter-changing function. Background Art

[0002] With the development of society, various mechanical equipment has been greatly developed. In addition to some advanced technologies, the operation of mechanical equipment also requires the cooperation of small internal parts and accessories. Among them, the connecting snap ring is an indispensable accessory in the shaft groove of machines and equipment. The connecting snap ring is generally called a retaining ring, which mainly plays a fastening role to prevent the axial movement of parts on the shaft or hole.

[0003] Since connecting snap rings are mostly used in shaft grooves, although the current connecting snap rings can be adjusted to change the diameter, they need to be fixed with a structure outside the snap ring. The shaft grooves to which they are applied are limited in size, making it difficult to operate the limiting structure outside the connecting snap ring. Summary of the invention

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a connecting snap ring with a diameter-changing function, so as to solve the problem raised in the above background technology that since the connecting snap rings are mostly used in shaft grooves, and the current connecting snap rings, although they can be adjusted with diameter changes, require a structure outside the snap ring to limit the fixation, and the shaft groove to which they are applied is limited by size, making the limiting structure outside the connecting snap ring inconvenient to operate.

[0005] The technical solution adopted by the utility model to solve the technical problem is: a connecting clamp ring with a variable diameter function, comprising a first connecting ring and a second connecting ring, the first connecting ring is provided with a rotating groove, the second connecting ring is provided with a rotating block, and the rotating block is rotatably connected to the rotating groove through a pin shaft;

[0006] An adjustment structure is installed between the first connecting ring and the second connecting ring, and the adjustment structure includes an arc-shaped plate, a threaded hole, an arc-shaped groove, a through hole and a bolt;

[0007] The arc plate is installed on the first connecting ring, the threaded holes are opened on the arc plate, the number of the threaded holes is not less than four, the threaded holes are evenly distributed on the arc plate, the arc groove is opened on the second connecting ring, the through hole is opened in the arc groove, the arc plate is placed in the arc groove, the bolt passes through the through hole, and the bolt is sleeved in the threaded hole.

[0008] Preferably, the arc-shaped plate is mounted on the first connecting ring via a connecting structure, wherein the connecting structure comprises a screw and a thread groove;

[0009] The screw is installed on the first connecting ring, the thread groove is arranged on the arc plate, and the screw is sleeved in the thread groove.

[0010] Preferably, a transverse hole is formed on the rotating block, a first mounting hole is formed on one side of the rotating groove, a second mounting hole is formed on the other side of the rotating groove, and the pin shaft passes through the first mounting hole, the transverse hole and the second mounting hole.

[0011] Preferably, the pin includes a first round block, a round shaft, a second round block, a screw and a threaded opening;

[0012] The round shaft is installed on the first round block, the screw is installed on the second round block, the threaded opening is opened on the round shaft, the round shaft passes through the first mounting hole, the transverse hole and the second mounting hole, the first round block is placed in the first mounting hole, the screw is sleeved in the threaded opening, and the second round block is placed in the second mounting hole.

[0013] Preferably, a hexagonal hole is formed on the second round block.

[0014] Preferably, a cross groove is provided on the bolt.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The first connecting ring and the second connecting ring are sleeved in the shaft groove of the external equipment, and the rotating block on the second connecting ring rotates in the rotating groove on the first connecting ring through the pin shaft. At this time, the arc plate moves along the arc groove, and the inner diameter of the connecting clamping ring is changed according to the size of the shaft groove. After the adjustment is completed, the bolt is rotated through the through hole and screwed into the threaded hole to limit and fix the connecting clamping ring after the diameter change, so that the connecting clamping ring is convenient to adjust and fix. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model.

[0018] Figure 2 It is a structural schematic diagram of the screw, thread groove and first connecting ring of the utility model.

[0019] Figure 3 It is a schematic diagram of the arc groove, through hole and bolt structure of the utility model.

[0020] Figure 4 It is a schematic diagram of the structure of the first round block, the round shaft and the threaded opening of the utility model.

[0021] Explanation of the accompanying drawings: 1 first connecting ring, 2 second connecting ring, 3 rotating block, 4 adjusting structure, 401 arc plate, 402 threaded hole, 403 arc groove, 404 through hole, 405 bolt, 5 rotating groove, 6 pin shaft, 7 cross groove, 8 connecting structure, 9 screw, 10 threaded groove, 11 first mounting hole, 12 second mounting hole, 13 first round block, 14 round shaft, 15 second round block, 16 screw, 17 threaded mouth, 18 hexagonal hole. DETAILED DESCRIPTION

[0022] The present invention is further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. In addition, it should be understood that after reading the contents of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the claims attached to the application.

[0023] The components of the present invention are all common standard components or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0024] See also Figure 1-4 : is a schematic diagram of the structure of the utility model. The embodiment of the utility model provides a connecting clamp with a variable diameter function, including a first connecting ring 1 and a second connecting ring 2. The first connecting ring 1 is provided with a rotating groove 5. The second connecting ring 2 is provided with a rotating block 3. The rotating block 3 is rotatably connected to the rotating groove 5 through a pin 6.

[0025] An adjustment structure 4 is installed between the first connection ring 1 and the second connection ring 2, and the adjustment structure 4 includes an arc-shaped plate 401, a threaded hole 402, an arc-shaped groove 403, a through hole 404 and a bolt 405;

[0026] The arc plate 401 is installed on the first connecting ring 1, and the threaded holes 402 are opened on the arc plate 401. The number of the threaded holes 402 is not less than four, and the threaded holes 402 are evenly distributed on the arc plate 401. The arc groove 403 is opened on the second connecting ring 2, and the through hole 404 is opened in the arc groove 403. The arc plate 401 is placed in the arc groove 403, and the bolt 405 passes through the through hole 404. The bolt 405 is sleeved in the threaded hole 402, and a cross groove 7 is opened on the bolt 405.

[0027] The arc plate 401 is mounted on the first connecting ring 1 through a connecting structure 8, and the connecting structure 8 includes a screw 9 and a thread groove 10;

[0028] The screw 9 is installed on the first connecting ring 1 , and the thread groove 10 is provided on the arc-shaped plate 401 , and the screw 9 is sleeved in the thread groove 10 .

[0029] It should be noted that, in the present embodiment, the length of the rotating block 3 is smaller than the depth of the rotating groove 5, and the rotating block 3 and the rotating groove 5 are both arc-shaped, with the center being the same as the center of the first connecting ring 1, so the pin 6 used can be a single shaft or a spliced ​​shaft, and the spliced ​​shaft facilitates the assembly or disassembly of the first connecting ring 1 and the second connecting ring 2, the arc plate 401 and the arc groove 403 are at the same center as the first connecting ring 1, and the cross-section of the through hole 404 is T-shaped; the length of the screw 9 and the depth of the thread groove 10 are designed so that after the screw 9 is screwed into the thread groove 10, the arc plate 401 is concentric with the first connecting ring 1.

[0030] Specifically, when in use, the first connecting ring 1 and the second connecting ring 2 are inserted into the shaft groove of the external equipment, and the rotating block 3 on the second connecting ring 2 rotates in the rotating groove 5 on the first connecting ring 1 through the pin shaft 6. At this time, the arc plate 401 moves along the arc groove 403, and the inner diameter of the connecting clamp is changed according to the size of the shaft groove. After adjustment, an external screwdriver is inserted into the cross groove 7, and the bolt 405 is turned to pass through the through hole 404 and screwed into the threaded hole 402, so that the connecting clamp is limited and fixed after the diameter change, so that the connecting clamp is convenient to adjust and fix.

[0031] A transverse hole is formed on the rotating block 3 , a first mounting hole 11 is formed on one side of the rotating groove 5 , a second mounting hole 12 is formed on the other side of the rotating groove 5 , and the pin shaft 6 passes through the first mounting hole 11 , the transverse hole and the second mounting hole 12 .

[0032] The pin 6 includes a first round block 13, a round shaft 14, a second round block 15, a screw 16 and a threaded opening 17;

[0033] The round shaft 14 is installed on the first round block 13, the screw 16 is installed on the second round block 15, the threaded opening 17 is opened on the round shaft 14, the round shaft 14 passes through the first mounting hole 11, the transverse hole and the second mounting hole 12, the first round block 13 is placed in the first mounting hole 11, the screw 16 is sleeved in the threaded opening 17, and the second round block 15 is placed in the second mounting hole 12.

[0034] A hexagonal hole 18 is formed on the second round block 15 .

[0035] It should be noted that, in this embodiment, the transverse hole is consistent in size with the circular shaft 14, and the cross-sections of the first mounting hole 11 and the second mounting hole 12 are both T-shaped. When the first round block 13 is placed in the first mounting hole 11, the front end surface of the first round block 13 and the first connecting ring 1 are on the same horizontal plane, and similarly, the second round block 15 and the rear end surface of the first connecting ring 1 are on the same horizontal plane.

[0036] Specifically, when in use, the rotating block 3 on the second connecting ring 2 extends into the rotating groove 5 on the first connecting ring 1, so that the first round block 13 with the round shaft 14 is inserted into the first mounting hole 11, the transverse hole and the second mounting hole 12 in sequence, and the screw 16 on the second round block 13 is screwed into the threaded hole 17 on the round shaft 14 through the hexagonal hole 18, so that the first connecting ring 1 and the second connecting ring 2 are assembled. Conversely, the first connecting ring 1 and the second connecting ring 2 can be disassembled by removing the pin shaft 5.

[0037] By those skilled in the art, the components in this case are connected in sequence. The specific connection and operation sequence should refer to the following working principle. The detailed connection means are well-known technologies in the art. The following mainly introduces the working principle and process.

[0038] The working process and working principle of the utility model are as follows: when in use, the rotating block 3 on the second connecting ring 2 is extended into the rotating groove 5 on the first connecting ring 1, so that the first round block 13 with the round shaft 14 is sequentially inserted into the first mounting hole 11, the transverse hole and the second mounting hole 12, and the screw 16 on the second round block 13 is screwed into the threaded opening 17 on the round shaft 14 through the hexagonal hole 18, so that the first connecting ring 1 and the second connecting ring 2 are assembled, and conversely, the pin 5 is disassembled to disassemble the first connecting ring 1 and the second connecting ring 2, so that the threaded groove 10 on the arc plate 401 is screwed into the first On the screw 9 on the connecting ring 1, when in use, the first connecting ring 1 and the second connecting ring 2 are sleeved in the shaft groove of the external equipment, and the rotating block 3 on the second connecting ring 2 rotates in the rotating groove 5 on the first connecting ring 1 through the pin shaft 6. At this time, the arc plate 401 moves along the arc groove 403, and the inner diameter of the connecting clamp is changed according to the size of the shaft groove. After adjustment, an external screwdriver is inserted into the cross groove 7, and the bolt 405 is turned to pass through the through hole 404 and screwed into the threaded hole 402, so that the connecting clamp after the diameter change is limited and fixed, so that the connecting clamp is convenient to adjust and fix.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A connecting clamp ring with a diameter-changing function, comprising a first connecting ring (1) and a second connecting ring (2), characterized in that: The first connecting ring (1) is provided with a rotating groove (5), and the second connecting ring (2) is provided with a rotating block (3), and the rotating block (3) is rotatably connected to the rotating groove (5) via a pin shaft (6); An adjustment structure (4) is installed between the first connection ring (1) and the second connection ring (2), the adjustment structure (4) comprising an arc-shaped plate (401), a threaded hole (402), an arc-shaped groove (403), a through hole (404) and a bolt (405); The arc plate (401) is mounted on the first connecting ring (1); the threaded holes (402) are provided on the arc plate (401); the number of the threaded holes (402) is not less than four; the threaded holes (402) are equidistantly distributed on the arc plate (401); the arc groove (403) is provided on the second connecting ring (2); the through hole (404) is provided in the arc groove (403); the arc plate (401) is placed in the arc groove (403); the bolt (405) passes through the through hole (404); and the bolt (405) is sleeved in the threaded hole (402).

2. A connecting clamp with a diameter-changing function according to claim 1, characterized in that: The arc-shaped plate (401) is mounted on the first connecting ring (1) via a connecting structure (8), wherein the connecting structure (8) comprises a screw (9) and a thread groove (10); The screw (9) is mounted on the first connecting ring (1), the thread groove (10) is formed on the arc-shaped plate (401), and the screw (9) is sleeved in the thread groove (10).

3. The connecting clamp with diameter-changing function according to claim 1, characterized in that: The rotating block (3) is provided with a transverse hole, one side of the rotating groove (5) is provided with a first mounting hole (11), the other side of the rotating groove (5) is provided with a second mounting hole (12), and the pin shaft (6) passes through the first mounting hole (11), the transverse hole and the second mounting hole (12).

4. A connecting clamp with a diameter-changing function according to claim 3, characterized in that: The pin shaft (6) comprises a first round block (13), a round shaft (14), a second round block (15), a screw (16) and a threaded opening (17); The round shaft (14) is mounted on the first round block (13), the screw (16) is mounted on the second round block (15), the threaded opening (17) is formed on the round shaft (14), the round shaft (14) passes through the first mounting hole (11), the transverse hole and the second mounting hole (12), the first round block (13) is placed in the first mounting hole (11), the screw (16) is sleeved in the threaded opening (17), and the second round block (15) is placed in the second mounting hole (12).

5. A connecting clamp with a diameter-changing function according to claim 4, characterized in that: The second round block (15) is provided with a hexagonal hole (18).

6. The connecting clamp with diameter-changing function according to claim 1, characterized in that: The bolt (405) is provided with a cross groove (7).

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