Eccentric axle shaft for vehicle
By designing a rotating fit between a retaining ring and a fixing ring on the eccentric axle of the vehicle, the problem of difficulty in replacing the eccentric block after wear is solved, realizing convenient disassembly and replacement of the eccentric block and reducing maintenance costs.
Patent Information
- Application Number
- CN202423209995.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-25
AI Technical Summary
The eccentric blocks of existing eccentric axles are difficult to replace individually after wear, resulting in high maintenance costs.
An eccentric axle for vehicles was designed. By sleeved a retaining ring and a fixing ring on the axle, the relative rotation of the retaining ring and the fixing ring causes the eccentric block to be interference-fitted and fixed to the fixing ring, thus enabling the eccentric block to be detachable and replaceable.
It enables convenient disassembly and replacement of the eccentric block, reducing maintenance costs.
Smart Images
Figure CN223590474U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile parts, especially to a vehicle eccentric axle. BACKGROUND
[0002] The eccentric axle is an indispensable transmission shaft in automobile mechanical transmission, which is mainly applied to the engine of the automobile, can make the engine run more stably, and further improve the driving performance and comfort of the automobile.
[0003] However, the eccentric block fixed on the eccentric axle has a certain service life, that is, after a certain period of use, the eccentric block will inevitably be worn and cause its transmission efficiency to decrease. Since the eccentric block is mostly fixed on the eccentric axle, the worn eccentric block is difficult to replace individually, and the entire eccentric axle usually needs to be replaced, which makes the maintenance and use cost of the eccentric axle higher. UTILITY MODEL CONTENTS
[0004] The utility model aims at overcoming the defects of the prior art, and provides a vehicle eccentric axle.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A vehicle eccentric axle, comprising a shaft rod and a positioning ring and a fixed block fixedly arranged at both ends of the shaft rod, a resisting ring abutting against the positioning ring and a fixed ring abutting against the fixed block are arranged on the shaft rod, an eccentric block is arranged on the outer periphery of the shaft rod between the resisting ring and the fixed ring, the fixed ring rotates and abuts against the eccentric block, and the eccentric block is driven to be fixed to the fixed ring in interference.
[0007] Preferably, the rotation of the eccentric block is limited to the shaft rod, the resisting ring and the eccentric block are respectively provided with abutting ring one and abutting ring two which are oppositely distributed, the abutting ring one and the abutting ring two are respectively provided with protruding block one and protruding block two which are in position correspondence, the protruding block one rotates synchronously with the fixed ring and extrudes the abutting protruding block two.
[0008] Preferably, a fixed hole is formed in the shaft rod, and a positioning hole corresponding to the inside and outside of the fixed hole is arranged on the fixed ring.
[0009] Preferably, a nut is fixedly arranged on the outer periphery of the resisting ring.
[0010] Preferably, a protruding tooth corresponding to the eccentric block is arranged on the outer periphery of the shaft rod, a tooth groove meshing with the protruding tooth is arranged on the eccentric block, and an extension ring abutting and positioning between adjacent eccentric blocks is arranged.
[0011] Preferably, the inner periphery size of the extension ring is greater than the outer periphery size of the protruding tooth.
[0012] As preferred, the outer periphery of the shaft rod is provided with an inwardly recessed annular groove, the number of the fixing blocks is two and the fixing blocks are oppositely fixed in the annular groove, the fixed ring is provided with a resisting plate between the fixing blocks and the eccentric block, and the eccentric block is in interference abutment against the resisting plate.
[0013] As preferred, the inner periphery of the eccentric block is larger than the outer side of the fixing block.
[0014] As preferred, a sliding groove is provided between the two fixing blocks for the sliding of the resisting plate.
[0015] The utility model discloses the beneficial effects are:
[0016] The eccentric block is arranged between the resisting ring and the fixed ring sleeved on the shaft rod, the resisting ring is rotated to make the resisting ring abut against the eccentric block and drive the eccentric block to be in interference abutment on the fixed ring, the eccentric block is fixed on the shaft rod, when the eccentric block needs to be disassembled and replaced, the resisting ring can be away from the abutted eccentric block by reversing the resisting ring, at this time, the eccentric block is separated from the fixed ring, the fixed ring can be rotated and away from the fixing block, and then the eccentric block can be slid away from the outside of the fixing block or be sleeved on the shaft rod again to realize the disassembly and replacement of the eccentric block, so that the maintenance and replacement operation of the product is more convenient, and the maintenance cost of the product is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the structure diagram of the utility model Figure 1 ;
[0018] Figure 2 It is the enlarged view of A in the figure Figure 1 ;
[0019] Figure 3 It is the structure diagram of the fixed ring and the eccentric block of the utility model
[0020] Figure 4 It is the structure diagram of the shaft rod of the utility model
[0021] Figure 5 It is the partial sectional view of the shaft rod of the utility model
[0022] Figure 6 It is the structure diagram of the utility model Figure 2 ;
[0023] Figure 7 It is the enlarged view of B in the figure Figure 6 ;
[0024] Figure 8 It is the enlarged view of C in the figure Figure 6 ;
[0025] Figure 9The partial structure schematic view of the utility model.
[0026] In the figure: shaft 1, positioning ring 11, fixed block 12, sliding groove 121, ring groove 13, fixed hole 14, convex tooth 15, abutment ring 2, abutment ring one 21, convex block one 22, positioning hole 23, nut 24, eccentric block 3, tooth groove 31, abutment ring two 32, convex block two 33, extension ring 34, fixed ring 4, abutment plate 41. PREFERRED EMBODIMENT
[0027] The utility model will be further described below in conjunction with the drawings and specific embodiment:
[0028] In the description of the present application, the orientation or position relationship indicated by the terms "upper", "lower", "left", "right" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or unit referred to must have a particular direction, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.
[0029] As Figures 1-9 Indicated, a kind of vehicle eccentric axle, including shaft 1 and fixedly arranged at the both ends of shaft 1 positioning ring 11 and fixed block 12, the positioning ring 11 and fixed block 12 can be set on the outer periphery of shaft 1 by welding or integrated forming processing, the shaft 1 is set with the abutment positioning ring 11 of ring 2 and the fixed ring 4 of abutment fixed block 12, the ring 2 and fixed ring 4 can rotate relative to shaft 1.
[0030] The outer periphery of the shaft 1 is provided with eccentric block 3 between ring 2 and fixed ring 4, the number of the eccentric block 3 can be multiple, the eccentric block 3 rotates limit in shaft 1, and the eccentric block 3 can slide along the length direction of shaft 1, further, the outer periphery of the shaft 1 is provided with the convex tooth 15 corresponding to the eccentric block 3, the eccentric block 3 is equipped with the tooth groove 31 engaged with the convex tooth 15, the convex tooth 15 is engaged in tooth groove 31, to limit the rotation of eccentric block 3.
[0031] Adjacent the eccentric block 3 is equipped with the abutment positioning extension ring 34, the extension ring 34 is fixed to one side of eccentric block 3 and abuts adjacent eccentric block 3, and the inner periphery size of the extension ring 34 is greater than the outer periphery size of convex tooth 15, to avoid that extension ring 34 causes interference to the sliding of eccentric block 3.
[0032] The fixed ring 2 rotates and abuts eccentric block 3 and drives eccentric block 3 to be fixed in fixed ring 4 with interference, to fix eccentric block 3 between fixed ring 2 and fixed ring 4 by cooperating fixed ring 2 with fixed ring 4, i.e. realize that eccentric block 3 is fixed on shaft 1, to ensure that the embodiment can work normally.
[0033] Specifically, the abutting ring 2 and the eccentric block 3 are respectively provided with the abutting ring one 21 and the abutting ring two 32 which are relatively distributed, the abutting ring one 21 and the abutting ring two 32 are respectively provided with the position corresponding protrusion one 22 and the protrusion two 33, the number of the protrusion one 22 and the protrusion two 33 is two and they are respectively correspondingly arranged (referring to Figures 1-3 The protrusion one 22 rotates synchronously with the fixed ring 2 and extrudes the abutting protrusion two 33, that is, by rotating the fixed ring 2, the protrusion one 22 is driven to rotate through the abutting ring one 21, so that the protrusion one 22 can rotate and abut against the protrusion two 33, at this time, the protrusion one 22 abuts against the protrusion two 33 and drives the eccentric block 3 to slide to the side of the fixed ring 4 and abut against the fixed ring 4 in interference, so as to fix the eccentric block 3 on the shaft 1.
[0034] The shaft 1 is provided with the fixed hole 14, the fixed ring 2 is provided with the positioning hole 23 corresponding to the inside and outside of the fixed hole 14, when the protrusion one 22 abuts against the protrusion two 33, the external bolt can penetrate through the positioning hole 23 and be screwed on the fixed hole 14, so as to position the rotation of the fixed ring 2, that is, to avoid the rotation of the fixed ring 2 in the working process of the embodiment, which affects the normal work of the embodiment, so as to ensure the reliability of the use of the embodiment.
[0035] In order to facilitate the rotation of the fixed ring 2, the outer periphery of the abutting ring 2 is fixedly provided with the nut 24, the nut 24 can be welded on the fixed ring 2, so that the rotation operation of the fixed ring 2 is more convenient through the nut 24.
[0036] The outer periphery of the shaft 1 is provided with the inwardly recessed ring groove 13, the number of the fixed blocks 12 is two and they are oppositely fixed on the ring groove 13, the inner periphery size of the eccentric block 3 is greater than the outer side size of the fixed block 12, that is, the eccentric block 3 can slide and separate from the shaft 1 through the outer side of the fixed block 12.
[0037] The fixed ring 4 is provided with the abutting plate 41 between the fixed block 12 and the eccentric block 3, the eccentric block 3 is pressed in interference on the abutting plate 41, so as to abut against and limit the abutting plate 41 through the fixed block 12, realizing the interference abutting and fixing of the eccentric block 3 (referring to Figure 5 The outer periphery of the shaft 1 is provided with the inwardly recessed ring groove 13, the number of the fixed blocks 12 is two and they are oppositely fixed on the ring groove 13, the inner periphery size of the eccentric block 3 is greater than the outer side size of the fixed block 12, that is, the eccentric block 3 can slide and separate from the shaft 1 through the outer side of the fixed block 12.
[0038] The sliding groove 121 for the sliding of the abutting plate 41 is arranged between the two fixed blocks 12, so that the fixed ring 4 can slide the abutting plate 41 through the sliding groove 121 after rotating to separate from the abutting of the fixed block 12, specifically, when the eccentric block 3 needs to be disassembled and replaced, the abutting ring 2 is reversely rotated, so that the protrusion one 22 and the protrusion two 33 are staggered with each other (referring to Figure 6 、 Figure 7 The abutting ring 2 can move away from the abutting eccentric block 3, that is, the protrusion one 22 does not press the protrusion two 33 in interference.
[0039] At this time, the eccentric block 3 is separated from the fixed ring 4, and it can also be understood that the eccentric block 3 slides to the side of the abutting ring 2 and does not abut on the fixed ring 4 in interference, that is, the fixed ring 4 can rotate and slide away from the fixed block 12 (as shown in Figure 8 、 Figure 9 ), and further, the eccentric block 3 can slide away from the outside of the fixed block 12 or slide to be sleeved on the shaft 1 again.
[0040] That is, the eccentric block 3 can slide away from the shaft 1 to replace the eccentric block 3 that needs to be replaced, and the new eccentric block 3 can be sleeved on the shaft 1 again through the fixed block 12 to realize the disassembly and replacement of the eccentric block 3. After the eccentric block 3 is replaced, the abutting plate 41 can slide and rotate through the sliding groove 121 to be arranged between the fixed block 12 and the eccentric block 3 again, and the eccentric block 3 is fixed on the shaft 1 in interference through the rotation of the abutting ring 2, so that the maintenance and replacement operation of the embodiment is more convenient, and the maintenance cost of the embodiment is greatly reduced.
[0041] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. An eccentric axle for vehicles, comprising a shaft (1) and positioning rings (11) and fixing blocks (12) fixedly disposed at both ends of the shaft (1), characterized in that: The shaft (1) is fitted with an abutment ring (2) that abuts against the positioning ring (11) and a fixing ring (4) that abuts against the fixing block (12). An eccentric block (3) is provided on the outer periphery of the shaft (1) between the abutment ring (2) and the fixing ring (4). The fixing ring (4) rotates to press against the eccentric block (3) and drives the eccentric block (3) to be interference-fitted and fixed to the fixing ring (4).
2. The eccentric axle for vehicles as described in claim 1, characterized in that: The eccentric block (3) is limited to rotating on the shaft (1). The abutting ring (2) and the eccentric block (3) are respectively provided with abutting ring one (21) and abutting ring two (32) respectively. The abutting ring one (21) and abutting ring two (32) are respectively provided with protrusion one (22) and protrusion two (33) respectively. The protrusion one (22) rotates synchronously with the fixed ring (4) and presses against the abutting protrusion two (33).
3. The eccentric axle for vehicles as described in claim 1, characterized in that: The shaft (1) has a fixing hole (14), and the fixing ring (4) has a positioning hole (23) corresponding to the inside and outside of the fixing hole (14).
4. The eccentric axle for vehicles as described in claim 1, characterized in that: The outer periphery of the abutment ring (2) is fixedly provided with a nut (24).
5. The eccentric axle for vehicles as described in claim 1, characterized in that: The outer periphery of the shaft (1) is provided with convex teeth (15) corresponding to the eccentric blocks (3), and the eccentric blocks (3) are provided with tooth grooves (31) that mesh with the convex teeth (15). An extension ring (34) for abutment and positioning is provided between adjacent eccentric blocks (3).
6. The eccentric axle for vehicles as described in claim 5, characterized in that: The inner circumferential dimension of the extension ring (34) is larger than the outer circumferential dimension of the protrusion (15).
7. The eccentric axle for vehicles as described in claim 1, characterized in that: The outer periphery of the shaft (1) is provided with an inwardly recessed annular groove (13). There are two fixing blocks (12) and they are fixed relative to each other in the annular groove (13). The fixing ring (4) is provided with a stop plate (41) located between the fixing block (12) and the eccentric block (3). The eccentric block (3) presses against the stop plate (41) with interference.
8. An eccentric axle for vehicles as described in claim 7, characterized in that: The inner circumferential dimension of the eccentric block (3) is larger than the outer circumferential dimension of the fixed block (12).
9. An eccentric axle for vehicles as described in claim 7, characterized in that: A groove (121) is provided between the two fixed blocks (12) for the sliding of the abutment plate (41).