Double-bearing eccentric disc

By setting a double bearing structure on the surface of the eccentric disk and utilizing the cooperation of the snap-fit ​​mechanism and the magnet block, the problem of a single bearing bearing all the loads is solved, thereby reducing friction and wear, extending the service life of the eccentric disk and improving working efficiency.

CN223854663UActive Publication Date: 2026-01-30CHANGSHU FANGYUAN MASCH MFG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520778551.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-23
Publication Date
2026-01-30
Estimated Expiration
2035-04-23

AI Technical Summary

Technical Problem

The existing eccentric disc has only one bearing on its surface, which bears all the load, leading to increased friction and wear, reducing the bearing's service life and the eccentric disc's working efficiency.

Method used

A dual-bearing structure is set on the surface of the eccentric disk. Through the cooperation of the snap-fit ​​mechanism and the magnet block, the first and second bearings are connected and the load is shared, thereby reducing friction and wear.

Benefits of technology

The dual-bearing design reduces friction, distributes the load, extends the service life of the eccentric disc, and improves working efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223854663U_ABST
    Figure CN223854663U_ABST
Patent Text Reader

Abstract

The utility model belongs to the field of eccentric discs, and particularly relates to a double-bearing eccentric disc which comprises an eccentric disc body, a first bearing is fixedly connected to the surface of the eccentric disc body, a second bearing is arranged on the surface of the first bearing, and a buckling mechanism is arranged in an inner cavity of the second bearing. The buckle mechanism comprises a first hollow groove, and the first hollow groove is formed in the surface of the first bearing. The second bearing is arranged on the surface of the first bearing in a sleeving mode, then the second magnet blocks can magnetically attract the first magnet blocks, meanwhile, the first magnet blocks can drive the clamping blocks to move into the second hollow grooves together, and therefore the effect of connecting the first bearing and the second bearing is achieved; at the moment, the first bearing and the second bearing are both located on the outer side of the eccentric disc, friction can be further reduced through the first bearing and the second bearing, rotation of the eccentric disc is smoother, meanwhile, the first bearing and the second bearing can share and reduce borne pressure, abrasion is reduced, and the service life of the eccentric disc is prolonged.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to eccentric disc field, concretely is a double bearing eccentric disc. BACKGROUND

[0002] The eccentric disc is a component for transmitting power in mechanical equipment, and is usually composed of a disc and an eccentric block. The main function of the eccentric disc is to transmit rotary force to a connecting rod to make it produce reciprocating motion, and thus it is often used in engines, compressors and other equipment.

[0003] In the prior art, the eccentric disc can increase the supporting property and the guiding property of the eccentric disc, reduce wear and fatigue damage, prolong the service life of the eccentric disc and the bearing, and reduce the frictional resistance of the eccentric disc during rotation, thereby improving the mechanical efficiency. However, the eccentric disc has only one bearing on the surface, and the single bearing bears all the load, which increases the pressure, thereby increasing the friction and wear, reducing the service life of the bearing, and also reducing the working efficiency of the eccentric disc. SUMMARY

[0004] In order to make up for the shortcomings of the prior art, the eccentric disc has only one bearing on the surface, and the single bearing bears all the load, which increases the pressure, thereby increasing the friction and wear, reducing the service life of the bearing, and also reducing the working efficiency of the eccentric disc. The utility model provides a double bearing eccentric disc.

[0005] The utility model solves the technical scheme that adopts: a double bearing eccentric disc, including eccentric disc, the surface of eccentric disc is connected with first bearing fixedly, the surface of first bearing is provided with second bearing, the inner chamber of second bearing is provided with buckle mechanism,

[0006] The buckle mechanism includes a first hollow slot, the first hollow slot is provided on the surface of the first bearing, the inner chamber of the first hollow slot is slidably connected with a clamping block, the inner chamber of the second bearing is provided with a second hollow slot, the inner chamber of the second hollow slot is fixedly connected with a second magnet block, one side of the second magnet block is provided with a first magnet block, and one side of the first magnet block is fixedly connected to one side of the clamping block.

[0007] Preferably, the surface of the first bearing is provided with a third hollow slot, the inner chamber of the third hollow slot is slidably connected with a connecting block, and the bottom of the connecting block is fixedly connected to the top of the clamping block.

[0008] Preferably, the connecting block is fixedly connected with a first stop block on one side, and a second stop block on the other side, and the first stop block and the second stop block are located on the top of the first bearing.

[0009] Preferably, one side of the second block is provided with a guide block, and the bottom of the guide block is fixedly connected to the top of the second bearing.

[0010] Preferably, the inner cavity of the first hollow groove is fixedly connected with a fourth magnet block, one side of the fourth magnet block is provided with a third magnet block, and one side of the third magnet block is fixedly connected to one side of the clamping block.

[0011] Preferably, the top of the second block is provided with a rubber block, and one side of the rubber block is fixedly connected to one side of the connecting block.

[0012] Preferably, one side of the connecting block is fixedly connected with a reinforcing rod, and the bottom of the reinforcing rod is fixedly connected to the top of the first block.

[0013] The utility model discloses the beneficial effect lies in:

[0014] The utility model discloses a second bearing is sleeved on the surface of first bearing, and let the guide block align the movement of connecting block, then the second magnet block will be located one side of first magnet block, when second magnet block will first magnet block magnetic adsorption comes over, and at the same time, first magnet block will drive the clamping block and move together, until the clamping block moves into the inside of second hollow groove, thereby reach the effect of connecting first bearing and second bearing, when first bearing and second bearing are all located the outside of eccentric disc, and first bearing and second bearing can further reduce friction, make the rotation of eccentric disc more smooth, and first bearing and second bearing can also share the pressure reduction that bears, thereby reduce abrasion, prolong the service life of eccentric disc, solve the eccentric disc surface only one first bearing of prior art, and single first bearing will bear all load, increase the pressure that bears, and then increase friction and abrasion, reduce the service life of first bearing, and also reduce the working efficiency of eccentric disc problem. ACCURATE DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description simple introduction, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0016] Figure 1 It is the three-dimensional schematic view of the whole equipment of the utility model;

[0017] Figure 2 It is the sectional view schematic view of first bearing of the utility model;

[0018] Figure 3 It is the sectional view schematic view of clamping block of the utility model;

[0019] Figure 4 It is a three-dimensional schematic view of the second bearing of the utility model.

[0020] In the figure: 1, eccentric disc; 2, first bearing; 3, second bearing; 4, buckle mechanism; 401, first hollow groove; 402, clamping block; 403, second hollow groove; 404, first magnet block; 405, second magnet block; 5, third hollow groove; 6, connecting block; 7, first stop block; 8, second stop block; 9, guide block; 10, third magnet block; 11, fourth magnet block; 12, rubber block; 13, reinforcing rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] The following will be combined with the drawings in the embodiments of the utility model, Figures 1-4 The application will be further described in detail,

[0023] The embodiments of the application disclose a double-bearing eccentric disc. Figures 1-3 A double-bearing eccentric disc, comprising an eccentric disc 1, the surface of the eccentric disc 1 is fixedly connected with a first bearing 2, the surface of the first bearing 2 is provided with a second bearing 3, the inner cavity of the second bearing 3 is provided with a buckle mechanism 4, the eccentric disc 1 mainly performs eccentric rotation, thereby generating reciprocating motion, and the first bearing 2 and the second bearing 3 are sequentially connected to the outer side of the eccentric disc 1, which can be used to increase the stability of the eccentric disc 1 and reduce the friction, thereby reducing the wear of the eccentric disc 1.

[0024] The buckle mechanism 4 comprises a first hollow groove 401, the first hollow groove 401 is opened in the surface of the first bearing 2, the inner cavity of the first hollow groove 401 is slidably connected with a clamping block 402, the inner cavity of the second bearing 3 is provided with a second hollow groove 403, the inner cavity of the second hollow groove 403 is fixedly connected with a second magnet block 405, one side of the second magnet block 405 is provided with a first magnet block 404, and one side of the first magnet block 404 is fixedly connected to one side of the clamping block 402;

[0025] The inside of the first hollow groove 401 can be used to place the clamping block 402, so that the clamping block 402 can have space to move, and the inside of the second hollow groove 403 can be used to place the second magnet block 405 and the first magnet block 404, wherein the first magnet block 404 is fixedly connected with the clamping block 402, so that the clamping block 402 can drive the first magnet block 404 to move together, and the first magnet block 404 and the second magnet block 405 can be magnetically attracted together, which makes the first magnet block 404 on one side of the clamping block 402 be attracted by the second magnet block 405 when the second bearing 3 is sleeved on the surface of the first bearing 2, so as to drive the clamping block 402 to move to the inside of the second hollow groove 403, thereby achieving the effect of fixing the second bearing 3, realizing the connection between the first bearing 2 and the second bearing 3, and further reducing the friction between the first bearing 2 and the second bearing 3, so that the rotation of the eccentric disc 1 is more smooth, and the first bearing 2 and the second bearing 3 can also share and reduce the pressure, thereby reducing wear and prolonging the service life of the eccentric disc 1.

[0026] With reference to Figure 3 , the surface of the first bearing 2 is provided with a third hollow groove 5, and the inner cavity of the third hollow groove 5 is slidably connected with a connecting block 6, and the bottom of the connecting block 6 is fixedly connected with the top of the clamping block 402. The inside of the third hollow groove 5 can be used to place the connecting block 6, so that the connecting block 6 can be connected to the clamping block 402, and the connecting block 6 can also have space to move, and part of the connecting block 6 is located on the outside of the first bearing 2, which can be pushed and driven to move together with the clamping block 402, so that the clamping block 402 can drive the first magnet block 404 to separate from the second magnet block 405, thereby achieving the effect of disassembling and replacing the second bearing 3.

[0027] With reference to Figure 3 , the first blocking block 7 is fixedly connected to one side of the connecting block 6, and the second blocking block 8 is fixedly connected to the other side of the connecting block 6, and the first blocking block 7 and the second blocking block 8 are located on the top of the first bearing 2. The first blocking block 7 and the second blocking block 8 are respectively located on the two sides of the connecting block 6, and can continuously block the third hollow groove 5 when the connecting block 6 moves and is stationary, so that foreign matter is not easy to enter the inside of the first hollow groove 401, thereby not affecting the normal movement of the clamping block 402.

[0028] With reference to Figure 3 , the second blocking block 8 is provided with a guide block 9 on one side, and the bottom of the guide block 9 is fixedly connected to the top of the second bearing 3. The guide block 9 is located on one side of the connecting block 6, so that when the second bearing 3 is installed, the guide block 9 can be aligned with the connecting block 6, so that the second magnet block 405 can be smoothly located on one side of the first magnet block 404, thereby avoiding the need for re-alignment.

[0029] With reference toFigure 3 The inner cavity of the first hollow groove 401 is fixedly connected with a fourth magnet block 11, one side of the fourth magnet block 11 is provided with a third magnet block 10, one side of the third magnet block 10 is fixedly connected to one side of the clamping block 402, the third magnet block 10 and the fourth magnet block 11 are located on the other side of the clamping block 402, so that when the clamping block 402 is separated from the second hollow groove 403, the clamping block 402 can be adsorbed together by the third magnet block 10 and the fourth magnet block 11, thereby improving the stability of the clamping block 402 and preventing it from shaking, and the volume of the third magnet block 10 and the fourth magnet block 11 is smaller than that of the first magnet block 404 and the second magnet block 405, thereby not affecting the magnetic adsorption of the first magnet block 404 and the second magnet block 405.

[0030] Referring to Figure 3 The top of the second stop block 8 is provided with a rubber block 12, one side of the rubber block 12 is fixedly connected to one side of the connecting block 6, and the rubber block 12 can make the fingers more comfortable when pushing the connecting block 6 to move, and the rubber block 12 has a large friction, so it is not easy to slip when pushing the connecting block 6.

[0031] Referring to Figure 3 One side of the connecting block 6 is fixedly connected with a reinforcing rod 13, the bottom of the reinforcing rod 13 is fixedly connected to the top of the first stop block 7, and the reinforcing rod 13 can reinforce the connection between the connecting block 6 and the first stop block 7, so that the first stop block 7 is more stable on one side of the connecting block 6 and is not easy to break and damage.

[0032] Working principle: when using the device, first fix the first bearing 2 on the outside of the eccentric disc 1, then set the second bearing 3 on the surface of the first bearing 2, and move the guide block 9 to align the connecting block 6, then the second magnet block 405 will be located on one side of the first magnet block 404, at this time the second magnet block 405 will magnetically attract the first magnet block 404, at the same time the first magnet block 404 will move the clamping block 402 together until the clamping block 402 moves into the inside of the second hollow groove 403, thereby achieving the effect of connecting the first bearing 2 and the second bearing 3, at this time the first bearing 2 and the second bearing 3 are located on the outside of the eccentric disc 1, which can further reduce friction and make the rotation of the eccentric disc 1 more smooth, and the first bearing 2 and the second bearing 3 can also share and reduce the pressure, thereby reducing wear and tear and prolonging the service life of the eccentric disc 1, when disassembling the second bearing 3, only need to push the connecting block 6 to move the clamping block 402 out of the inside of the second hollow groove 403, thereby solving the problem that the surface of the existing eccentric disc 1 only has one first bearing 2, the single first bearing 2 will bear all the load, increasing the pressure, thereby increasing friction and wear and tear, reducing the service life of the first bearing 2, and also reducing the working efficiency of the eccentric disc 1.

[0033] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A dual bearing eccentric disc, characterized by: Including eccentric disc (1), the surface of eccentric disc (1) is fixedly connected with first bearing (2), the surface of first bearing (2) is provided with second bearing (3), the inner cavity of second bearing (3) is provided with buckle mechanism (4); The buckle mechanism (4) includes a first hollow groove (401), the first hollow groove (401) is opened in the surface of the first bearing (2), the inner cavity of the first hollow groove (401) is slidably connected with the clamping block (402), the inner cavity of the second bearing (3) is provided with a second hollow groove (403), the inner cavity of the second hollow groove (403) is fixedly connected with a second magnet block (405), one side of the second magnet block (405) is provided with a first magnet block (404), one side of the first magnet block (404) is fixedly connected to one side of the clamping block (402).

2. A dual bearing eccentric disc according to claim 1, characterized in that: The surface of the first bearing (2) is provided with a third hollow groove (5), the inner cavity of the third hollow groove (5) is slidably connected with a connecting block (6), the bottom of the connecting block (6) is fixedly connected to the top of the clamping block (402).

3. A dual bearing eccentric disc according to claim 2, wherein: One side of the connecting block (6) is fixedly connected with a first stop block (7), the other side of the connecting block (6) is fixedly connected with a second stop block (8), the first stop block (7) and the second stop block (8) are located on the top of the first bearing (2).

4. A dual bearing eccentric disc according to claim 3, wherein: One side of the second stop block (8) is provided with a guide block (9), the bottom of the guide block (9) is fixedly connected to the top of the second bearing (3).

5. A dual bearing eccentric disc as claimed in claim 1, wherein: The inner cavity of the first hollow groove (401) is fixedly connected with a fourth magnet block (11), one side of the fourth magnet block (11) is provided with a third magnet block (10), one side of the third magnet block (10) is fixedly connected to one side of the clamping block (402).

6. A dual bearing eccentric disc as claimed in claim 3, wherein: The top of the second stop block (8) is provided with a rubber block (12), one side of the rubber block (12) is fixedly connected to one side of the connecting block (6).

7. A dual bearing eccentric disc as claimed in claim 3, wherein: One side of the connecting block (6) is fixedly connected with a reinforcing rod (13), the bottom of the reinforcing rod (13) is fixedly connected to the top of the first stop block (7).