CN220742638U - Maintenance-free rubber bushing balance shaft - Google Patents
Maintenance-free rubber bushing balance shaft Download PDFInfo
- Publication number
- CN220742638U CN220742638U CN202322505050.2U CN202322505050U CN220742638U CN 220742638 U CN220742638 U CN 220742638U CN 202322505050 U CN202322505050 U CN 202322505050U CN 220742638 U CN220742638 U CN 220742638U
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- arc
- groove
- bushing
- maintenance
- balance shaft
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 16
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Vibration Prevention Devices (AREA)
- Springs (AREA)
Abstract
The utility model discloses a maintenance-free rubber bushing balance shaft, and relates to the technical field of bushings; the novel inner bushing is placed into the bushing body, the outer side surface of the novel inner bushing is attached to the inner surface of the rectangular groove, a connecting block connected with the outer side surface of the novel inner bushing is aligned with the position of the connecting groove by adjusting the novel inner bushing, then the arc-shaped inserting block penetrates through the arc-shaped through groove by the force of the arc-shaped spring after the pull plate is loosened, the bushing body is connected with the inner bushing, after the rectangular clamping plate is loosened, the upper end of the rectangular clamping plate can be inserted into the bayonet by the force of the torsion spring, so that the side surface of the arc-shaped inserting block can be limited, the arc-shaped inserting block is prevented from moving under the influence of vibration during working, the stability during working is improved, the inner bushing is convenient and quick to replace by the dismounting assembly, and the stability after connection can be improved by the auxiliary fixing assembly.
Description
Technical Field
The utility model relates to the technical field of bushings, in particular to a maintenance-free rubber bushing balance shaft.
Background
The balance shaft bushing is a bushing arranged between the balance shaft and the balance shaft housing, mainly plays roles of fixing, buffering, damping and stress transmission, and is beneficial to damping, firmness, safety and convenience of the balance shaft.
The balanced bush of present maintenance-free, as described in the patent of publication number CN211390877U, including the cylinder sleeve, telescopic one end integrated into one piece has the flanging, its characterized in that: the sleeve is internally embedded with a metal support body along the length direction of the sleeve, the length of the metal support body is smaller than that of the sleeve, and the sleeve and the flanging are both made of polyurethane.
The bushing is of an integrated structure, and in the using process of the balance shaft bushing, the inner wall of the shaft sleeve is easy to wear due to the rotation of the balance shaft, the whole bushing is required to be replaced after the wear is serious, the replacement cost is high, and the inventor proposes a maintenance-free rubber bushing balance shaft for solving the problems.
Disclosure of Invention
In order to solve the problems that the bushing is of an integrated structure, the inner wall of the shaft sleeve is easy to wear due to the rotation of the balance shaft in the use process of the balance shaft bushing, and the whole bushing needs to be replaced after the wear is serious, so that the replacement cost is high; the utility model aims to provide a maintenance-free rubber bushing balance shaft.
In order to solve the technical problems, the utility model adopts the following technical scheme: a maintenance-free rubber bushing balance shaft comprises a bushing body and an inner bushing, wherein a rectangular groove is formed in the inner surface of the bushing body, the cross section of the rectangular groove is T-shaped, the inner bushing is movably attached to the inner surface of the rectangular groove, and dismounting assemblies are arranged on the outer side surface of the inner bushing and the lower surface of the bushing body;
the disassembly assembly comprises a connecting block, the connecting block is fixedly connected with the outer side surface of the inner bushing, an arc through groove is formed in the side surface of the connecting block, a connecting groove is formed in the lower surface of the bushing body, the connecting groove is communicated with the arc through groove, two connecting blocks are arranged, the connecting blocks are symmetrically arranged on the outer side surface of the inner bushing, the connecting blocks are movably attached to the inner surface of the connecting groove, an arc groove is formed in the lower surface of the bushing body, arc springs are fixedly arranged on the inner surface of the arc groove, two arc springs are arranged, an arc spring array is distributed between the arc groove and an arc inserting block, an arc inserting block is fixedly arranged at the other end of the arc spring, a pulling plate is fixedly arranged at one side of the arc inserting block, far away from the square groove, of the arc inserting block, the other end of the arc inserting block is movably attached to the inner wall of the connecting groove, the arc inserting block movably penetrates through the arc through groove, an arc limiting groove is formed in the inner surface of the arc limiting groove, and an arc limiting block is slidably arranged in the arc limiting groove, and the arc limiting block is fixedly connected with the arc inserting block;
one side of the arc-shaped insert block and the lower surface of the bushing body are both provided with auxiliary fixing components.
Preferably, the auxiliary fixing component comprises a square groove, the square groove is formed in the lower surface of the bushing body, a round rod is fixedly arranged on the inner surface of the square groove, a rectangular clamping plate is rotatably sleeved on the outer side surface of the round rod, a torsion spring is connected between the round rod and the inner surface of the square groove, the cross section of the rectangular clamping plate is L-shaped, the rectangular clamping plate movably penetrates through the connecting groove, a bayonet is formed in one side, close to the round rod, of the arc-shaped inserting block, and the upper end of the rectangular clamping plate is movably clamped in the bayonet.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, a new inner bushing can be placed into the bushing body, the outer side surface of the new inner bushing is attached to the inner surface of the rectangular groove, the new inner bushing is regulated to enable the connecting blocks connected with the outer side surface of the new inner bushing to be aligned with the positions of the connecting grooves, then the arc-shaped inserting blocks penetrate through the arc-shaped through grooves through the force of the arc-shaped springs after the pull plates are loosened, the bushing body is connected with the inner bushing, after the rectangular clamping plates are loosened, the upper ends of the rectangular clamping plates can be inserted into the bayonets through the force of the torsion springs, so that the side surfaces of the arc-shaped inserting blocks can be limited, the arc-shaped inserting blocks are prevented from moving under the influence of vibration during operation, the stability during operation is improved, the inner bushing is convenient and rapid to replace through the disassembly assembly, and the stability after connection can be improved through the auxiliary fixing assembly.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model.
FIG. 2 is a schematic view of the inner liner of the present utility model.
Fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.
Fig. 4 is a schematic structural view of an auxiliary fixing assembly according to the present utility model.
In the figure: 1. a bushing body; 11. rectangular grooves; 2. an inner liner; 3. disassembling the assembly; 31. a connecting block; 311. a connecting groove; 32. arc through grooves; 33. an arc-shaped groove; 34. an arc spring; 35. arc-shaped inserting blocks; 36. pulling a plate; 37. an arc-shaped limit groove; 38. an arc-shaped limiting block; 4. an auxiliary fixing assembly; 41. a square groove; 42. a round bar; 43. a rectangular clamping plate; 44. a torsion spring; 46. a bayonet.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one: as shown in fig. 1-4, the utility model provides a maintenance-free rubber bushing balance shaft, which comprises a bushing body 1 and an inner bushing 2, wherein a rectangular groove 11 is formed in the inner surface of the bushing body 1, the inner bushing 2 is movably attached to the inner surface of the rectangular groove 11, and a disassembly assembly 3 is arranged on the outer side surface of the inner bushing 2 and the lower surface of the bushing body 1;
the disassembly component 3 comprises a connecting block 31, the connecting block 31 is fixedly connected with the outer side surface of the inner bushing 2, an arc through groove 32 is formed in the side surface of the connecting block 31, a connecting groove 311 is formed in the lower surface of the bushing body 1, the connecting groove 311 is communicated with the arc through groove 32, the connecting block 31 is movably attached to the inner surface of the connecting groove 311, an arc groove 33 is formed in the lower surface of the bushing body 1, an arc spring 34 is fixedly arranged on the inner surface of the arc groove 33, an arc insert 35 is fixedly arranged at the other end of the arc spring 34, the other end of the arc insert 35 is movably attached to the inner wall of the connecting groove 311, the arc insert 35 movably penetrates through the arc through groove 32, an arc limiting groove 37 is formed in the inner surface of the arc groove 33, an arc limiting block 38 is slidably arranged in the arc limiting groove 37, the arc limiting block 38 is fixedly connected with the arc insert 35, when the inner bushing 2 is worn and needs to be replaced, the lower end of the rectangular clamping plate 43 can be shifted firstly to separate the upper end of the rectangular clamping plate 43 from the bayonet 46, then the pull plate 36 can be pulled to drive the arc-shaped insertion block 35 to move, the connection between the connecting groove 311 and the connecting block 31 is released, the inner bushing 2 falls from the interior of the bushing body 1 under the influence of gravity, a new inner bushing 2 can be placed into the bushing body 1, the outer side surface of the new inner bushing 2 is attached to the inner surface of the rectangular groove 11, the connecting block 31 connected with the outer side surface of the new inner bushing 2 is adjusted to align with the position of the connecting groove 311, then the arc-shaped insertion block 35 can penetrate through the arc-shaped through groove 32 by the force of the arc-shaped spring 34 after the pull plate 36 is released to connect the bushing body 1 with the inner bushing 2, the upper end of the rectangular clamping plate 43 can be inserted into the bayonet 46 by the force of the torsion spring 44 after the rectangular clamping plate 43 is released, therefore, the side face of the arc-shaped insert block 35 can be limited, the arc-shaped insert block 35 is prevented from moving under the influence of vibration during working, the stability during working is improved, and the inner bushing 2 can be replaced conveniently and rapidly by disassembling the assembly 3;
one side of the arc-shaped insert 35 and the lower surface of the bushing body 1 are both provided with auxiliary fixing components 4.
The auxiliary fixing assembly 4 comprises a square groove 41, the square groove 41 is formed in the lower surface of the bushing body 1, a round rod 42 is fixedly arranged on the inner surface of the square groove 41, a rectangular clamping plate 43 is rotatably sleeved on the outer side surface of the round rod 42, the cross section of the rectangular clamping plate 43 is L-shaped, a torsion spring 44 is connected between the round rod 42 and the inner surface of the square groove 41, the rectangular clamping plate 43 movably penetrates through the connecting groove 311, a bayonet 46 is formed in one side, close to the round rod 42, of the arc-shaped insert block 35, and the upper end of the rectangular clamping plate 43 can be movably clamped in the bayonet 46;
the number of the arc springs 34 is two, and the arc springs 34 are distributed between the arc grooves 33 and the arc inserts 35 in an array.
By adopting the above technical scheme, stability in connection is improved by providing two arc springs 34.
The number of the connection blocks 31 is two, and the connection blocks 31 are symmetrically disposed on the outer side surface of the inner liner 2.
By adopting the technical scheme, the connection is stable.
The side of the arc-shaped insert 35, which is far away from the square groove 41, is fixedly provided with a pull plate 36.
By adopting the technical scheme, the arc-shaped insert block 35 is conveniently pulled to move.
Working principle: when the inner bushing 2 is worn and needs to be replaced, the lower end of the rectangular clamping plate 43 can be stirred first, the upper end of the rectangular clamping plate 43 is separated from the bayonet 46, then the pull plate 36 is pulled to drive the arc-shaped insert block 35 to move, the connection between the connecting groove 311 and the connecting block 31 is released, the inner bushing 2 falls from the interior of the bushing body 1 under the influence of gravity, a new inner bushing 2 can be placed into the bushing body 1, the outer side surface of the new inner bushing 2 is attached to the inner surface of the rectangular groove 11, the connecting block 31 connected with the outer side surface of the new inner bushing 2 is adjusted to be aligned with the position of the connecting groove 311, the arc-shaped insert block 35 penetrates through the arc-shaped through groove 32 by the force of the arc-shaped spring 34 after the pull plate 36 is released, the bushing body 1 is connected with the inner bushing 2, the upper end of the rectangular clamping plate 43 can be inserted into the bayonet 46 by the force of the torsion spring 44 after the rectangular clamping plate 43 is released, therefore the side surface of the arc-shaped insert block 35 can be limited, the arc-shaped insert block 35 is prevented from moving under the influence of vibration during working, the working stability is improved, and the inner bushing 2 can be replaced quickly by disassembling the assembly 3.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (8)
1. The utility model provides a maintenance-free rubber bushing balance shaft, includes bush body (1) and inner liner (2), its characterized in that: rectangular grooves (11) are formed in the inner surface of the lining body (1), the inner lining (2) is movably attached to the inner surface of the rectangular grooves (11), and disassembly assemblies (3) are arranged on the outer side surface of the inner lining (2) and the lower surface of the lining body (1);
the disassembly assembly (3) comprises a connecting block (31), the connecting block (31) is fixedly connected with the outer side surface of an inner bushing (2), an arc through groove (32) is formed in the side surface of the connecting block (31), a connecting groove (311) is formed in the lower surface of the bushing body (1), the connecting block (31) is movably attached to the inner surface of the connecting groove (311), an arc groove (33) is formed in the lower surface of the bushing body (1), an arc spring (34) is fixedly arranged on the inner surface of the arc groove (33), an arc inserting block (35) is fixedly arranged at the other end of the arc spring (34), the other end, far away from the arc spring (34), of the arc inserting block (35) is movably attached to the inner wall of the connecting groove (311), the arc inserting block (35) movably penetrates through the arc through groove (32), an arc limiting groove (37) is formed in the inner surface of the arc limiting groove (37), and an arc limiting block (38) is fixedly connected with the arc inserting block (35);
one side of the arc-shaped insert block (35) and the lower surface of the bushing body (1) are both provided with auxiliary fixing components (4).
2. The maintenance-free rubber bushing balance shaft according to claim 1, wherein the auxiliary fixing component (4) comprises a square groove (41), the square groove (41) is formed in the lower surface of the bushing body (1), a round rod (42) is fixedly arranged on the inner surface of the square groove (41), a rectangular clamping plate (43) is rotatably sleeved on the outer side surface of the round rod (42), a torsion spring (44) is connected between the round rod (42) and the inner surface of the square groove (41), the rectangular clamping plate (43) movably penetrates through the connecting groove (311), a bayonet (46) is formed in one side, close to the round rod (42), of the arc-shaped insertion block (35), and the upper end of the rectangular clamping plate (43) is movably clamped in the bayonet (46).
3. A maintenance-free rubber bushing balance shaft according to claim 1, wherein there are two arcuate springs (34), and the arcuate spring (34) array is distributed between the arcuate slot (33) and the arcuate insert (35).
4. A maintenance-free rubber bushing balance shaft according to claim 1, wherein said rectangular groove (11) has a "T" shape in cross-section.
5. A maintenance-free rubber bushing balance shaft according to claim 1, wherein two connection blocks (31) are provided, and the connection blocks (31) are symmetrically arranged on the outer side surface of the inner bushing (2).
6. A maintenance-free rubber bushing balance shaft according to claim 2, wherein a pull plate (36) is fixedly arranged on the side of the arc-shaped insert block (35) away from the square groove (41).
7. A maintenance-free rubber bushing balance shaft according to claim 1, wherein said connecting slot (311) is in communication with an arcuate through slot (32).
8. A maintenance-free rubber bushing balance shaft according to claim 2, wherein said rectangular clamping plate (43) has an "L" shape in cross-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322505050.2U CN220742638U (en) | 2023-09-15 | 2023-09-15 | Maintenance-free rubber bushing balance shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322505050.2U CN220742638U (en) | 2023-09-15 | 2023-09-15 | Maintenance-free rubber bushing balance shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220742638U true CN220742638U (en) | 2024-04-09 |
Family
ID=90568167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322505050.2U Active CN220742638U (en) | 2023-09-15 | 2023-09-15 | Maintenance-free rubber bushing balance shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220742638U (en) |
-
2023
- 2023-09-15 CN CN202322505050.2U patent/CN220742638U/en active Active
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