CN220955746U - Radial support stable roller tappet - Google Patents
Radial support stable roller tappet Download PDFInfo
- Publication number
- CN220955746U CN220955746U CN202322615138.XU CN202322615138U CN220955746U CN 220955746 U CN220955746 U CN 220955746U CN 202322615138 U CN202322615138 U CN 202322615138U CN 220955746 U CN220955746 U CN 220955746U
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- China
- Prior art keywords
- roller
- rotation
- main part
- mounting groove
- push rod
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- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 5
- 238000007792 addition Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The utility model provides a roller tappet with stable radial support, and belongs to the technical field of engines. The anti-rotation pin solves the problem that the radial support of the tappet is unstable due to the fact that an existing anti-rotation pin is easy to deform. This radial stable roller tappet that supports, including the complete machine main part, set up the anti-rotation guide way that is used for preventing changeing in the complete machine main part, install roller main part and push rod in the complete machine main part, the gyro wheel groove has been seted up to the one end of roller main part, install roller assembly on the gyro wheel groove, the mounting groove first that is used for installing the push rod has been seted up to the other end of roller main part, set up anti-rotation hole in the roller main part, and want to lead to with the mounting groove, set up mounting groove second on the push rod, install the anti-rotation mechanism that is used for preventing changeing on the mounting groove second, tilting mechanism comprises reset spring and anti-rotation piece, be provided with the spacing portion that is used for spacing on the anti-rotation piece, set up a plurality of joint hole that is used for the joint on the mounting groove first, be provided with on the push rod with joint hole matched with joint portion. The utility model has the advantage of stable radial support.
Description
Technical Field
The utility model belongs to the technical field of engines, relates to a roller tappet, and in particular relates to a roller tappet with stable radial support.
Background
The tappet is an important component part in the valve mechanism of the engine, and is used as a driven part of a cam to bear the lateral force applied by the rotation of a cam shaft and is used for transmitting the thrust of the cam to a push rod or a valve stem. The lifters are classified into a general lifter and a hydraulic lifter, and the general lifter is classified into a flat bottom lifter and a roller lifter. The roller tappet and the cam are in rolling friction, the bearing capacity is higher than that of a flat tappet, the tappet and the cam are easy to wear, the application of the roller tappet and the cam on an engine is wider, the roller has a rotation moment when in reciprocating motion, an anti-rotation pin is arranged on the roller for preventing the roller from rotating, and the anti-rotation pin is easy to deform the outer circle of the roller due to overlarge force.
Disclosure of Invention
The object of the present utility model is to solve the above-mentioned problems of the prior art and to provide a roller tappet with stable radial support that is resistant to wear.
The aim of the utility model can be achieved by the following technical scheme: the utility model provides a radial stable roller tappet of support, includes the complete machine main part, the complete machine main part on offer and be used for preventing changeing the guide way, the complete machine main part on install roller main part and push rod, its characterized in that, the roller groove has been seted up to the one end of roller main part, the roller groove on install roller assembly, the other end of roller main part has been offered and has been used for installing the mounting groove one of push rod, the roller main part on seted up and prevent changeing the hole, and imagine the way with the mounting groove, the push rod on set up mounting groove two, mounting groove two on install and be used for preventing changeing the mechanism, tilting mechanism constitute by reset spring and preventing changeing the piece, prevent changeing and be provided with the spacing portion that is used for spacing, mounting groove one on set up a plurality of be used for the joint hole, the push rod on be provided with joint portion with joint hole matched with joint.
In the roller tappet with stable radial support, the roller assembly consists of a roller and a shaft pin, the roller main body is provided with a shaft pin hole for installing the shaft pin, the roller is fixed on the shaft pin through a shaft sleeve, the shaft pin is provided with a ring groove, the ring groove is provided with a limiting ring for preventing axial movement,
In the above roller tappet with stable radial support, the ring grooves are symmetrically arranged.
In the above roller tappet with stable radial support, the anti-rotation hole corresponds to the position of the anti-rotation block.
In the roller tappet with stable radial support, the part of the anti-rotation block penetrating through the anti-rotation hole is matched with the anti-rotation guide groove.
Compared with the prior art, the push rod is fixed by matching the anti-rotation block of the anti-rotation mechanism with the anti-rotation hole on the roller main body, the installation is convenient, the part of the anti-rotation block protruding out of the roller main body corresponds to the anti-rotation guide groove on the whole machine main body, the clamping block arranged on the push rod enables the push rod to be connected with the roller tappet main body more firmly, the radial force born by the clamping block can be shared, the clamping block is more durable, and the stability is improved.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic cross-sectional view of the present utility model.
FIG. 3 is a schematic cross-sectional view of the push rod of the present utility model.
Fig. 4 is a schematic perspective view of the roller body of the present utility model.
Fig. 5 is a schematic perspective view of a push rod according to the present utility model.
In the figure, 1, a whole machine main body; 2. anti-rotation guide grooves; 3. a roller body; 4. a push rod; 5. a roller groove; 6. a roller assembly; 7. a first mounting groove; 8. anti-rotation holes; 9. a second mounting groove; 10. an anti-rotation mechanism; 11. a return spring; 12. an anti-rotation block; 13. a limit part; 14. a clamping hole; 15. a clamping part; 16. a roller; 17. a shaft pin; 18. a shaft pin hole; 19. a shaft sleeve; 20. a ring groove; 21. and a limiting ring.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1, the roller tappet with stable radial support comprises a complete machine main body 1, an anti-rotation guide groove 2 for anti-rotation is formed in the complete machine main body 1, a roller main body 3 and a push rod 4 are mounted on the complete machine main body 1, a roller groove 5 is formed in one end of the roller main body 3, a roller component 6 is mounted on the roller groove 5, a first mounting groove 7 for mounting the push rod 4 is formed in the other end of the roller main body 3, an anti-rotation hole 8 is formed in the roller main body 3 and communicated with the mounting groove, a second mounting groove 9 is formed in the push rod 4, an anti-rotation mechanism 10 for anti-rotation is mounted on the second mounting groove 9, the anti-rotation block 12 is formed by a reset spring 11 and an anti-rotation block 12, a limiting part 13 for limiting is arranged on the anti-rotation block 12, a plurality of clamping holes 14 for clamping are formed in the first mounting groove 7, and a clamping part 15 matched with the clamping holes 14 is arranged on the push rod 4.
When the push rod 4 is installed, the anti-rotation block 12 is pressed towards the inside of the installation groove II 9, so that the push rod 4 is placed in the installation groove I7, the anti-rotation block 12 reaches the position of the anti-rotation hole 8 matched with the anti-rotation block 12, the compressed reset spring 11 resets the main roller main body 3 of the clamping plug, part of the roller main body 3 at the penetrating position of the anti-rotation block 12 is matched with the anti-rotation guide groove 2 on the whole machine main body 1, the push rod 4 cannot rotate when being impacted, and the clamping part 15 of the push rod 4 is matched with the clamping hole 14 of the installation groove I7 during installation, so that the radial force borne by the anti-rotation mechanism 10 can be shared, the service life is prolonged, and the radial support of the roller is more stable.
Further, the roller assembly 6 is composed of a roller 16 and a shaft pin 17, the roller main body 3 is provided with a shaft pin hole 18 for installing the shaft pin 17, the roller 16 is fixed on the shaft pin 17 through a shaft sleeve 19, the shaft pin 17 is provided with a ring groove 20, the ring groove 20 is provided with a limiting ring 21 for preventing axial movement,
Further, the ring grooves 20 are symmetrically arranged.
It is further elaborated that the anti-rotation holes 8 correspond to the positions of the anti-rotation blocks 12.
Further, the part of the anti-rotation block 12 penetrating out of the anti-rotation hole 8 is matched with the anti-rotation guide groove 2.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Although 1, the whole machine body 1 is used more herein; 2. an anti-rotation guide groove 2; 3. a roller body 3; 4. a push rod 4; 5. a roller groove 5; 6. a roller assembly 6; 7. a first mounting groove 7; 8. an anti-rotation hole 8; 9. a second mounting groove 9; 10. an anti-rotation mechanism 10; 11. a return spring 11; 12. an anti-rotation block 12; 13. a limit part 13; 14. a clamping hole 14; 15. a clamping part 15; 16. a roller 16; 17. a shaft pin 17; 18. a shaft pin hole 18; 19. a sleeve 19; 20. a ring groove 20; 21. a stop collar 21. Terms such as, but not excluding the possibility of using other terms. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (5)
1. The utility model provides a radial support stable roller tappet, includes complete machine main part (1), complete machine main part (1) on offer and be used for preventing changeing guide way (2), complete machine main part (1) on install roller main part (3) and push rod (4), a serial communication port, roller main part (3)'s one end offer roller groove (5), roller groove (5) on install gyro wheel subassembly (6), roller main part (3)'s the other end has offered mounting groove one (7) that are used for installing push rod (4), roller main part (3) on seted up prevent changeing hole (8), and communicate with each other with mounting groove one (7), push rod (4) on set up mounting groove two (9), mounting groove two (9) on install and be used for preventing changeing anti-rotation mechanism (10), anti-rotation mechanism (10) constitute by reset spring (11) and anti-rotation piece (12), anti-rotation piece (12) on be provided with and be used for spacing portion (13), one mounting groove (7) on be provided with a plurality of joint portions (14) that are used for setting up on joint hole (14).
2. The radial support stable roller tappet according to claim 1, wherein the roller assembly (6) is composed of a roller (16) and a shaft pin (17), the roller main body (3) is provided with a shaft pin hole (18) for installing the shaft pin (17), the roller (16) is fixed on the shaft pin (17) through a shaft sleeve (19), the shaft pin (17) is provided with a ring groove (20), and the ring groove (20) is provided with a limiting ring (21) for preventing the shaft pin (17) from axially moving.
3. A radially supported stable roller tappet according to claim 2, characterized in that said grooves (20) are symmetrically arranged.
4. A radially supported stable roller tappet according to claim 1, characterized in that said anti-rotation holes (8) correspond to the position of the anti-rotation blocks (12).
5. A radially supported stable roller tappet according to claim 1, characterized in that the portion of the anti-rotation block (12) penetrating the anti-rotation hole (8) cooperates with the anti-rotation guide groove (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322615138.XU CN220955746U (en) | 2023-09-25 | 2023-09-25 | Radial support stable roller tappet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322615138.XU CN220955746U (en) | 2023-09-25 | 2023-09-25 | Radial support stable roller tappet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220955746U true CN220955746U (en) | 2024-05-14 |
Family
ID=90978522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322615138.XU Active CN220955746U (en) | 2023-09-25 | 2023-09-25 | Radial support stable roller tappet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220955746U (en) |
-
2023
- 2023-09-25 CN CN202322615138.XU patent/CN220955746U/en active Active
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