Fixed and clasped elastic automobile check ring
By designing a combination of arc grooves, installation grooves and rubber plates in the elastic car retaining ring, combined with the compensation mechanism of push plates and stress strips, the problem of poor single-side fixing effect in the existing technology is solved, and the two The side can effectively fix and extend the service life.
Patent Information
- Application Number
- CN202420520030.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-18
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-03-18
AI Technical Summary
The existing elastic car retaining ring that is fixed and tight can only play a good locking and fixing effect in one side direction, and the locking effect in the other direction is weak, and the elastic teeth have a certain inclination angle when deformed, resulting in a fixing effect. Uneven.
An elastic automobile retaining ring including arc grooves, installation grooves, rubber plates and push plates is designed. Through the cooperation of arc grooves and installation grooves, the elasticity and incline of the rubber plates are used to increase friction and pass through the push plates. Symmetrical setting and compensation mechanism of stress bars improve locking effect and service life.
The effect of locking and fixing can be achieved on both sides is enhanced, the locking force is enhanced, and the service life is extended through the deformation of the elastic rubber plate and the compensation of the push plate, and the overall fixing performance of the retaining ring is improved.
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Figure CN222163148U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile retaining rings, in particular to a fixed and tightly held elastic automobile retaining ring. Background Art
[0002] The fixing of parts on the shaft is divided into axial fixing and circumferential fixing. The methods of axial fixing include: fixing with a shaft shoulder or a shaft collar, fixing with a shaft end retaining ring or a conical surface, fixing with a shaft sleeve, fixing with a round nut, and fixing with an elastic retaining ring. The retaining ring mainly plays the role of axial fixing, among which the conical surface plus retaining ring fixing has a higher degree of centering.
[0003] The application number is 201521046616.9, which discloses a fixed and tightly-held elastic automobile retaining ring, including a retaining ring body, a fixing hole, a fixing groove, and an elastic holding tooth. The number of the fixing grooves is two, and the two fixing grooves are respectively arranged on the top and bottom of the retaining ring body. The fixing groove is in the shape of an annular groove, and the fixing hole is arranged in the fixing groove, and the fixing hole is evenly arranged in the fixing groove. The elastic holding teeth are evenly arranged on the inner side of the retaining ring body, and the elastic holding teeth gradually shrink and warp from the root to the top, and the top of the elastic holding teeth is provided with an arc concave surface. The utility model can make the retaining ring fit more firmly with the pin shaft under the action of elastic force, and the axial fixing force between them is greater. At the same time, the automobile retaining ring is fixed to effectively prevent the movement of the pin shaft, and the structural design is more reasonable, the strength is higher, the service life is long, the process is simple, the production efficiency is high, and it is conducive to the promotion and application of the automobile parts market.
[0004] However, there are some shortcomings. This method utilizes the deformation of the elastic teeth to achieve the locking effect. However, the retaining ring is only provided with elastic teeth on one side, and the elastic teeth have a certain inclination angle, which results in that the retaining ring can only have a good locking and fixing effect in the unilateral direction, and the locking effect in the other direction is weak. Utility Model Content
[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:
[0006] The utility model discloses a fixed and tightly held elastic automobile retaining ring, comprising a retaining ring body, a plurality of arc grooves are evenly opened inside the retaining ring body, a plurality of mounting grooves are evenly opened on the inner wall of the retaining ring body, a pair of pressing plates, the pair of pressing plates comprises an arc plate 1 and an arc plate 2, the arc plate 1 and the arc plate 2 are both slidably arranged inside the arc groove, and a locking device, the locking device comprises a rubber plate and a mounting plate, the rubber plate and the mounting plate are both arranged inside the mounting groove.
[0007] Furthermore, a circular hole 1 is provided in the center of the top inner wall of the arc groove and penetrates through the side wall of the retaining ring body, four T-shaped slide rails are symmetrically fixedly connected on the side wall of the arc groove away from the mounting groove, an inclined surface is provided at the connection between the side wall of the mounting groove and the inner wall of the retaining ring body, an opening is provided on the bottom inner wall of the mounting groove, the mounting groove is connected with the arc groove through the opening, a circular hole 2 is provided in the center of the bottom inner wall of the arc groove, and two guide holes are provided on the symmetrical surface of the bottom inner wall of the arc groove.
[0008] Furthermore, four T-shaped grooves are symmetrically opened on the side walls of the arc plate 1 and the arc plate 2 away from the installation groove, and the arc plate 1 and the arc plate 2 are both slidably set on the arc groove through the T-shaped grooves. The side of the arc plate 1 away from the arc plate 2 is fixedly connected with an extension column, and the extension column is slidably set inside the circular hole 1. The side of the arc plate 2 away from the arc plate 1 is symmetrically fixedly connected with two pressure rods, and the pressure rods are slidably set inside the guide hole.
[0009] Furthermore, a screw hole is commonly formed in the center of the arc-shaped plate 1, the extension column and the arc-shaped plate 2, and a screw for fixing the retaining ring body is inserted into the screw hole.
[0010] Furthermore, a plurality of slots are provided on a side of the rubber plate close to the mounting plate, an anti-slip pattern is provided on a side of the rubber plate away from the mounting plate, a recess is provided in the center of a side of the rubber plate away from the mounting plate, the interior of the rubber plate is hollow, and a plurality of stress strips are fixedly connected to the inner wall of the side of the rubber plate away from the mounting plate.
[0011] Furthermore, a plurality of push plates are fixedly connected to one side of the mounting plate close to the rubber plate, and the plurality of push plates respectively penetrate corresponding slots and extend into the interior of the rubber plate.
[0012] Furthermore, a connecting seat is fixedly connected to the side of the mounting plate away from the rubber plate, a circular shaft is fixedly connected to the center of the side of the connecting seat away from the mounting plate, two movable rods are rotatably mounted on the circular shaft, and a connecting groove is opened at one end of the movable rod away from the connecting seat, the opening size of the connecting groove is larger than the cross-sectional size of the T-shaped slide rail, the T-shaped slide rails located at the same position are slidably arranged inside the connecting groove on the corresponding movable rod, and the movable rod is located between arc plate one and arc plate two.
[0013] The utility model has the following beneficial effects:
[0014] (1) The utility model provides thrust to both ends of the rubber plate by symmetrically setting the push plates, so that both sides can achieve the purpose of locking and fixing, thereby increasing the locking effect and practicality of the retaining ring.
[0015] (2) The rubber plate of the utility model is elastic and cooperates with the setting of the inclined surface. The end of the rubber plate is deformed to fill the inside of the inclined surface, thereby increasing the contact area between the rubber plate and the shaft, thereby increasing the friction force and achieving the purpose of fixed locking. In addition, when the rubber plate is worn, the elastic push plate will press against the force bar to push the concave part of the rubber plate to compensate to both sides, thereby extending the service life of the retaining ring.
[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0018] Figure 1 It is a schematic diagram of the structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the internal structure of the arc groove of the utility model;
[0020] Figure 3 This is a schematic diagram of the structure of the pressing plate of the utility model;
[0021] Figure 4 This is a schematic diagram of the installation structure of the locking device of the utility model;
[0022] Figure 5 This is a schematic diagram of the structure of the movable rod of the utility model;
[0023] Figure 6 This is a schematic diagram of the connection between the rubber plate and the mounting plate of the utility model.
[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0025] In the figure: 1. retaining ring body; 11. arc groove; 111. round hole 1; 112. T-shaped slide rail; 12. mounting groove; 121. inclined surface; 13. opening; 14. round hole 2; 15. guide hole; 2. pressure plate; 21. arc plate 1; 211. extension column; 212. screw hole; 22. arc plate 2; 221. pressure rod; 23. T-shaped groove; 24. screw; 3. locking device; 31. rubber plate; 311. slot; 312. anti-skid pattern; 313. recessed part; 314. force bar; 32. mounting plate; 321. push plate; 33. connecting seat; 331. round shaft; 34. movable rod; 341. connecting groove. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0027] See also Figure 1-Figure 6 As shown, the utility model is a fixed and tightly held elastic automobile retaining ring, comprising a retaining ring body 1, a plurality of arc grooves 11 are evenly opened inside the retaining ring body 1, a plurality of mounting grooves 12 are evenly opened on the inner wall of the retaining ring body 1, a pair of pressing plates 2, the pair of pressing plates 2 include an arc plate 1 21 and an arc plate 22, the arc plate 1 21 and the arc plate 22 are both slidably arranged inside the arc groove 11, and a locking device 3, the locking device 3 includes a rubber plate 31 and a mounting plate 32, the rubber plate 31 and the mounting plate 32 are both arranged inside the mounting groove 12.
[0028] A circular hole 111 is provided in the center of the top inner wall of the arc groove 11 and passes through the side wall of the retaining ring body 1. Four T-shaped slide rails 112 are symmetrically fixedly connected to the side wall of the arc groove 11 away from the mounting groove 12. An inclined surface 121 is provided at the connection between the side wall of the mounting groove 12 and the inner wall of the retaining ring body 1. An opening 13 is provided on the bottom inner wall of the mounting groove 12. The mounting groove 12 is connected to the arc groove 11 through the opening 13. A circular hole 14 is provided in the center of the bottom inner wall of the arc groove 11. Two guide holes 15 are provided on the symmetrical surface of the bottom inner wall of the arc groove 11.
[0029] Four T-slots 23 are symmetrically provided on the side walls of the arc plate 1 21 and the arc plate 2 22 away from the mounting groove 12. The arc plate 1 21 and the arc plate 2 22 are both slidably set on the arc groove 11 through the T-slots 23. An extension column 211 is fixedly connected to the side of the arc plate 1 21 away from the arc plate 2 22. The extension column 211 is slidably set inside the circular hole 1 111. Two pressure rods 221 are symmetrically fixedly connected to the side of the arc plate 22 away from the arc plate 1 21. The pressure rods 221 are slidably set inside the guide hole 15.
[0030] A screw hole 212 is commonly formed in the center of the arc plate 1 21 , the extension column 211 and the arc plate 2 22 , and a screw 24 for fixing the retaining ring body 1 is inserted into the screw hole 212 .
[0031] A plurality of slots 311 are provided on a side of the rubber plate 31 close to the mounting plate 32, an anti-slip pattern 312 is provided on a side of the rubber plate 31 away from the mounting plate 32, a recess 313 is provided in the center of the side of the rubber plate 31 away from the mounting plate 32, the interior of the rubber plate 31 is hollow, and a plurality of stress strips 314 are fixedly connected to the inner wall of the side of the rubber plate 31 away from the mounting plate 32.
[0032] A plurality of push plates 321 are fixedly connected to one side of the mounting plate 32 close to the rubber plate 31 . The plurality of push plates 321 respectively penetrate the corresponding slots 311 and extend into the rubber plate 31 .
[0033] A connecting seat 33 is fixedly connected to the side of the mounting plate 32 away from the rubber plate 31, and a round shaft 331 is fixedly connected to the center of the side of the connecting seat 33 away from the mounting plate 32. Two movable rods 34 are rotatably mounted on the round shaft 331. A connecting groove 341 is opened at one end of the movable rod 34 away from the connecting seat 33. The opening size of the connecting groove 341 is larger than the cross-sectional size of the T-shaped slide rail 112. The T-shaped slide rails 112 located at the same position are slidably set inside the connecting groove 341 on the corresponding movable rod 34, and the movable rod 34 is located between the arc plate 1 21 and the arc plate 2 22.
[0034] When in use, the retaining ring body 1 is sleeved on the specified position of the shaft, and the retaining ring body 1 is pressed and fixed by the screw 24. During the process, the top of the screw 24 will synchronously push the extension column 211 to move into the arc groove 11. In addition, the pressure rod 221 is simultaneously squeezed from the outside and moves into the arc groove 11. The arc plate 1 21 and the arc plate 2 22 approach each other, squeezing the end of the movable rod 34 away from the connecting seat 33. The movable rod 34 will push the connecting seat 33 to slide in the opening 13. At the same time, the rubber plate 31 and the mounting plate 32 move synchronously, approach the side close to the shaft, and squeeze it. The rubber sheet 31 is elastic and cooperates with the setting of the inclined surface 121. The end of the rubber sheet 31 is deformed to fill the inside of the inclined surface 121, thereby increasing the contact area between the rubber sheet 31 and the shaft, thereby increasing the friction force and achieving the purpose of fixed locking. In addition, when the rubber sheet 31 is worn, the elastic push plate 321 will press against the force bar 314 to push the recessed portion 313 of the rubber sheet 31 to compensate on both sides, thereby extending the service life of the retaining ring. In addition, through the symmetrical setting of the push plates 321, both ends of the rubber sheet 31 have a thrust, and both sides can achieve the purpose of locking and fixing, thereby increasing the locking effect and practicality of the retaining ring.
[0035] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A fixed and tightly holding elastic automobile retaining ring, comprising a retaining ring body (1), a plurality of arc grooves (11) are evenly formed inside the retaining ring body (1), and a plurality of mounting grooves (12) are evenly formed on the inner wall of the retaining ring body (1), characterized in that: A pair of pressing plates (2), the pair of pressing plates (2) comprising an arc-shaped plate 1 (21) and an arc-shaped plate 2 (22), the arc-shaped plate 1 (21) and the arc-shaped plate 2 (22) both being slidably disposed inside the arc-shaped groove (11); A locking device (3), the locking device (3) comprising a rubber plate (31) and a mounting plate (32), the rubber plate (31) and the mounting plate (32) both being arranged inside the mounting groove (12).
2. The fixed and tightly-held elastic automobile retaining ring according to claim 1 is characterized in that: A circular hole (111) is provided in the center of the top inner wall of the arc groove (11) and penetrates the side wall of the retaining ring body (1). Four T-shaped slide rails (112) are symmetrically fixedly connected on the side wall of the arc groove (11) away from the mounting groove (12). An inclined surface (121) is provided at the connection between the side wall of the mounting groove (12) and the inner wall of the retaining ring body (1). An opening (13) is provided on the bottom inner wall of the mounting groove (12). The mounting groove (12) is connected to the arc groove (11) through the opening (13). A circular hole (14) is provided in the center of the bottom inner wall of the arc groove (11). Two guide holes (15) are provided on the symmetrical surface of the bottom inner wall of the arc groove (11).
3. The fixed and tightly-held elastic automobile retaining ring according to claim 2 is characterized in that: Four T-shaped grooves (23) are symmetrically provided on the side walls of the arc plate 1 (21) and the arc plate 2 (22) away from the mounting groove (12); the arc plate 1 (21) and the arc plate 2 (22) are both slidably arranged on the arc groove (11) through the T-shaped grooves (23); an extension column (211) is fixedly connected to the side of the arc plate 1 (21) away from the arc plate 2 (22); the extension column (211) is slidably arranged inside the circular hole 1 (111); two pressure rods (221) are symmetrically fixedly connected to the side of the arc plate 2 (22) away from the arc plate 1 (21); the pressure rods (221) are slidably arranged inside the guide hole (15).
4. The fixed and tightly-held elastic automobile retaining ring according to claim 3 is characterized in that: The arc-shaped plate 1 (21), the extension column (211) and the arc-shaped plate 2 (22) are centrally provided with a screw hole (212), and a screw (24) for fixing the retaining ring body (1) is inserted into the screw hole (212).
5. The fixed and tightly-held elastic automobile retaining ring according to claim 4 is characterized in that: A plurality of slots (311) are provided on a side of the rubber plate (31) close to the mounting plate (32), an anti-slip pattern (312) is provided on a side of the rubber plate (31) away from the mounting plate (32), a recessed portion (313) is provided in the center of a side of the rubber plate (31) away from the mounting plate (32), the interior of the rubber plate (31) is hollow, and a plurality of stress bars (314) are fixedly connected to the inner wall of a side of the rubber plate (31) away from the mounting plate (32).
6. The fixed and tightly-held elastic automobile retaining ring according to claim 5 is characterized in that: A plurality of push plates (321) are fixedly connected to one side of the mounting plate (32) close to the rubber plate (31), and the plurality of push plates (321) respectively penetrate corresponding slots (311) and extend into the interior of the rubber plate (31).
7. The fixed and tightly-held elastic automobile retaining ring according to claim 6 is characterized in that: A connecting seat (33) is fixedly connected to one side of the mounting plate (32) away from the rubber plate (31); a round shaft (331) is fixedly connected to the center of one side of the connecting seat (33) away from the mounting plate (32); two movable rods (34) are rotatably mounted on the round shaft (331); a connecting groove (341) is provided at one end of the movable rod (34) away from the connecting seat (33); the opening size of the connecting groove (341) is larger than the cross-sectional size of the T-shaped slide rail (112); the T-shaped slide rails (112) located at the same position are slidably arranged inside the connecting groove (341) on the corresponding movable rod (34); and the movable rod (34) is located between the arc plate 1 (21) and the arc plate 2 (22).
