Novel rubber ring buffer coupling
By designing the rubber ring buffer structure in the coupling, the deviation problem of the coupling due to inaccurate manufacturing and installation, deformation or thermal expansion is solved, and the effect of reducing wear and improving service life is achieved.
Patent Information
- Application Number
- CN202421922436.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-08
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-08-08
AI Technical Summary
The existing couplings are prone to offset in the shield transmission system due to inaccurate manufacturing and installation, deformation during operation or thermal expansion, resulting in impact, vibration absorption and wear, and reducing service life.
A new type of rubber ring buffer coupling is designed. By installing a rubber ring on the outside of the coupling main body, and connecting the locking block and the coupling main body by bolts, the sides of the rubber ring are locked and fixed by the locking block and the coupling main body to form an integrated structure to absorb torque.
It effectively solves the deviation problem between the two shafts connected by the coupling due to inaccurate manufacturing and installation, deformation or thermal expansion, reduces wear, improves service life, and alleviates impact and vibration absorption.
Smart Images

Figure CN222894535U_ABST
Abstract
Description
[Technical field]
[0001] The utility model relates to the technical field of couplings, in particular to a novel rubber ring buffer coupling. [Background technology]
[0002] The coupling used in the shield machine transmission system of the prior art is prone to deviation between the two shafts connected to the coupling due to inaccurate manufacturing and installation, deformation or thermal expansion during operation, etc., which is prone to impact and vibration absorption during operation, causing severe wear and reducing the service life. [Utility Model Content]
[0003] In order to overcome the above problems, the utility model proposes a novel rubber ring buffer coupling which can effectively solve the above problems.
[0004] The utility model provides a technical solution to solve the above technical problems: a new type of rubber ring buffer coupling is provided, comprising two coupling bodies, each coupling body is sleeved with a locking block on the outside, a rubber ring is arranged between the two coupling bodies, the locking block and the coupling body are connected by bolts, and the side of the rubber ring is locked and fixed by the locking block and the coupling body; the rubber ring comprises a rubber ring-shaped body, and both sides of the rubber ring-shaped body are respectively integrally formed with fixed flanges, and the fixed flanges are clamped and fixed between the locking block and the coupling body.
[0005] Preferably, a first supporting surface is provided on the inner side of the fixed flange, and the first supporting surface is supported on the coupling body. An inwardly recessed positioning groove is provided on the outer side of the fixed flange, and the positioning groove is used for positioning and installing the locking block.
[0006] Preferably, the coupling body comprises a coupling body disk, a second supporting surface is integrally formed around the coupling body disk, and the first supporting surface is supported on the second supporting surface.
[0007] Preferably, the locking block comprises a locking block main body disk, a positioning boss matching the positioning groove is integrally formed around the locking block main body disk, and the positioning boss is embedded in the positioning groove.
[0008] Preferably, a breaking area is provided on the rubber ring-shaped body.
[0009] Preferably, the coupling main body disk is provided with a plurality of first fixing holes, the locking block main body disk is provided with second fixing holes matching the first fixing holes, and the first fixing holes and the second fixing holes are connected by bolts.
[0010] Preferably, a sleeve boss is provided on the coupling main body disk, and a sleeve interface matching the sleeve boss is provided on the locking block main body disk, and the sleeve interface is sleeved on the sleeve boss.
[0011] Preferably, a shaft connecting groove is arranged in the sleeve boss, a locking sleeve is arranged in the shaft connecting groove, and the locking sleeve is used to lock the shaft on the coupling body.
[0012] Preferably, a first locking groove is arranged on the inner side of the shaft connecting groove, a second locking groove matching the first locking groove is arranged on the outer side of the locking sleeve, and the first locking groove and the second locking groove are connected by bolts.
[0013] Preferably, the locking sleeve is provided with a shaft connecting hole, a keyway is provided inside the shaft connecting hole, the shaft is inserted into the shaft connecting hole, and the positioning key on the shaft is embedded in the keyway.
[0014] Compared with the prior art, the new rubber ring buffer coupling of the utility model adopts a rubber ring design, which can well absorb the torque generated by the motor when starting and stopping, avoid wear, and can effectively solve the offset (including axial offset, radial offset, angular offset or combined offset) between the two shafts connected by the coupling due to inaccurate manufacturing and installation, deformation or thermal expansion during operation, so as to achieve the effect of alleviating impact and absorbing vibration and improve service life.
Brief Description of the Drawings
[0015] Figure 1 This is a three-dimensional structural diagram of the new rubber ring buffer coupling of the utility model;
[0016] Figure 2 This is an exploded view of the new rubber ring buffer coupling of the utility model;
[0017] Figure 3 This is a three-dimensional diagram of the rubber ring of the new rubber ring buffer coupling of the utility model;
[0018] Figure 4 This is a three-dimensional diagram of the locking block of the new rubber ring buffer coupling of the utility model;
[0019] Figure 5 This is a stereoscopic view of the coupling body of the new rubber ring buffer coupling of the utility model. [Specific implementation method]
[0020] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and implementation examples. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0021] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are limited to relative positions on the specified view rather than absolute positions.
[0022] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0023] See also Figures 1 to 5 The new rubber ring buffer coupling of the utility model includes two coupling bodies 30, each coupling body 30 is sleeved with a locking block 20 on the outside, a rubber ring 10 is arranged between the two coupling bodies 30, the locking block 20 and the coupling body 30 are connected by bolts, and the side of the rubber ring 10 is locked and fixed by the locking block 20 and the coupling body 30.
[0024] The rubber ring 10 includes a rubber ring body 11 , and fixed flanges 12 are integrally formed on both sides of the rubber ring body 11 . The fixed flanges 12 are clamped and fixed between the locking block 20 and the coupling body 30 , so that the rubber ring 10 is integrated with the two coupling bodies 30 .
[0025] The inner side of the fixed flange 12 is provided with a first supporting surface 14 , which is supported on the coupling body 30 . The outer side of the fixed flange 12 is provided with an inwardly recessed positioning groove 13 , which is used for positioning and installing the locking block 20 .
[0026] The coupling body 30 includes a coupling body disk 31 . A second supporting surface 32 is integrally formed around the coupling body disk 31 . The first supporting surface 14 is supported on the second supporting surface 32 .
[0027] The locking block 20 includes a locking block main plate 21 , and a positioning boss 22 matching the positioning groove 13 is integrally formed around the locking block main plate 21 , and the positioning boss 22 is embedded in the positioning groove 13 .
[0028] The rubber ring body 11 is provided with a disconnection area 15 , and the disconnection area 15 can provide more abundant buffer space.
[0029] The coupling main plate 31 is provided with a plurality of first fixing holes 35 , and the locking block main plate 21 is provided with second fixing holes 24 matching the first fixing holes 35 , and the first fixing holes 35 and the second fixing holes 24 are connected by M10 hexagon socket bolts.
[0030] The coupling body disk 31 is provided with a sleeve boss 33, and the locking block body disk 21 is provided with a sleeve port 23 matching the sleeve boss 33. The sleeve port 23 is sleeved on the sleeve boss 33 to achieve positioning and installation of the locking block 20 and the coupling body 30.
[0031] The sleeve boss 33 is provided with a shaft connection groove 34 , and the shaft connection groove 34 is provided with a locking sleeve 40 . The locking sleeve 40 is used to lock the shaft on the coupling body 30 .
[0032] A first locking groove 36 is disposed inside the shaft connection groove 34 , and a second locking groove 42 matching the first locking groove 36 is disposed outside the locking sleeve 40 . The first locking groove 36 and the second locking groove 42 are connected by M14 flat-end fastening bolts.
[0033] The locking sleeve 40 is provided with a shaft connecting hole, and a key groove 41 is provided inside the shaft connecting hole. The shaft is inserted into the shaft connecting hole, and the positioning key on the shaft is embedded in the key groove 41 .
[0034] During assembly, install the two locking sleeves 40 on the two coupling bodies 30 respectively, lightly tighten the M14 flat-end tightening bolts, and then respectively sleeve the two locking blocks 20 on the two coupling bodies 30, sleeve the two assembled coupling bodies 30 on the motor shaft and the drive shaft respectively, and then tighten the M14 flat-end tightening bolts to lock the coupling bodies 30 on the shafts; finally, sleeve the rubber rings 10 on the two coupling bodies 30, and then tighten the rubber rings 10 with M10 hexagon socket bolts.
[0035] When in use, the user sleeves the two ends of the novel rubber ring buffer coupling of the utility model on the motor and the driving shaft respectively, and tightens the bolts before use.
[0036] Compared with the prior art, the new rubber ring buffer coupling of the utility model adopts a rubber ring 10 design, which can well absorb the torque generated by the motor when starting and stopping, avoid wear, and can effectively solve the offset (including axial offset, radial offset, angular offset or combined offset) between the two shafts connected by the coupling due to inaccurate manufacturing and installation, deformation or thermal expansion during operation, so as to achieve the effect of alleviating impact and absorbing vibration and improve service life.
[0037] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any modifications, equivalent substitutions and improvements made within the concept of the present invention should be included in the patent protection scope of the present invention.
Claims
1. A new type of rubber ring buffer coupling, characterized in that: It comprises two coupling bodies, each coupling body is sleeved with a locking block on the outside, a rubber ring is arranged between the two coupling bodies, the locking block and the coupling body are connected by bolts, and the side of the rubber ring is locked and fixed by the locking block and the coupling body; The rubber ring comprises a rubber annular body, and fixed flanges are respectively integrally formed on both sides of the rubber annular body, and the fixed flanges are clamped and fixed between the locking block and the coupling body.
2. The novel rubber ring buffer coupling as claimed in claim 1 is characterized in that: A first supporting surface is arranged on the inner side of the fixed flange, and the first supporting surface is supported on the coupling body. An inwardly recessed positioning groove is arranged on the outer side of the fixed flange, and the positioning groove is used for positioning and installing the locking block.
3. The novel rubber ring buffer coupling as claimed in claim 2 is characterized in that: The coupling body comprises a coupling body disk, a second supporting surface is integrally formed around the coupling body disk, and the first supporting surface is supported on the second supporting surface.
4. The novel rubber ring buffer coupling as claimed in claim 3 is characterized in that: The locking block comprises a locking block main body disk, and a positioning boss matching the positioning groove is integrally formed around the locking block main body disk, and the positioning boss is embedded in the positioning groove.
5. The novel rubber ring buffer coupling as claimed in claim 1 is characterized in that: The rubber annular body is provided with a breaking area.
6. The novel rubber ring buffer coupling as claimed in claim 4 is characterized in that: The coupling main body disk is provided with a plurality of first fixing holes, the locking block main body disk is provided with second fixing holes matching the first fixing holes, and the first fixing holes and the second fixing holes are connected by bolts.
7. The novel rubber ring buffer coupling as claimed in claim 4 is characterized in that: The coupling main body disk is provided with a sleeve boss, the locking block main body disk is provided with a sleeve interface matching the sleeve boss, and the sleeve interface is sleeved on the sleeve boss.
8. The novel rubber ring buffer coupling as claimed in claim 7 is characterized in that: A shaft connecting groove is arranged in the sleeve boss, a locking sleeve is arranged in the shaft connecting groove, and the locking sleeve is used to lock the shaft on the coupling body.
9. The novel rubber ring buffer coupling as claimed in claim 8 is characterized in that: A first locking groove is arranged on the inner side of the shaft connecting groove, and a second locking groove matching the first locking groove is arranged on the outer side of the locking sleeve, and the first locking groove and the second locking groove are connected by bolts.
10. The novel rubber ring buffer coupling as claimed in claim 8, characterized in that: The locking sleeve is provided with a shaft connecting hole, the inner side of the shaft connecting hole is provided with a keyway, the shaft is inserted into the shaft connecting hole, and the positioning key on the shaft is embedded in the keyway.