CN216343735U - High-connection-strength automobile tension wheel rocker arm - Google Patents
High-connection-strength automobile tension wheel rocker arm Download PDFInfo
- Publication number
- CN216343735U CN216343735U CN202122614849.6U CN202122614849U CN216343735U CN 216343735 U CN216343735 U CN 216343735U CN 202122614849 U CN202122614849 U CN 202122614849U CN 216343735 U CN216343735 U CN 216343735U
- Authority
- CN
- China
- Prior art keywords
- rocker arm
- connecting block
- gear
- shaped connecting
- arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000000428 dust Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Landscapes
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The utility model discloses a high-connection-strength automobile tension pulley rocker arm which comprises a first rocker arm and a second rocker arm, wherein a U-shaped connecting block is arranged on the first rocker arm, a gear is rotatably connected in the U-shaped connecting block, the end part of the second rocker arm extends into the U-shaped connecting block and is rotatably connected with the U-shaped connecting block, the end part of the second rocker arm is provided with a tooth surface corresponding to the gear, a ratchet wheel is arranged on a rotating shaft of the second rocker arm, and a pawl corresponding to the ratchet wheel is rotatably connected to the rotating shaft of the gear, so that the tension pulley can be conveniently detached and replaced, and the replacement efficiency is improved.
Description
Technical Field
The utility model belongs to the field of automobile parts, and particularly relates to an automobile tension pulley rocker arm with high connection strength.
Background
The tension device is a device which is arranged on an automobile engine and used for tensioning a transmission belt of the engine, can prevent the belt from vibrating when running at high speed, and comprises a rocker arm, a tension wheel rotates on the rocker arm, and a tension adjusting mechanism is arranged between the rocker arm and an engine shell and can automatically adjust the tension of the belt to ensure the normal running of the engine.
The tension pulley on the rocker arm is an easily-worn part, and the tension pulley can slip with the belt due to unsmooth rotation after long-time use, so that the abrasion between the belt and the tension pulley is accelerated, the surface of the tension pulley is not arc-shaped, the tension pulley further slips with the belt, the belt vibrates due to friction, abnormal sound occurs in the driving process of the automobile, and the driving experience of a driver is influenced.
As shown in fig. 4, most rocker arms in the prior art are integrally formed, when the tension pulley is replaced, the entire rocker arm needs to be detached from the engine housing first, and then the tension pulley on the rocker arm needs to be detached and replaced.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides the high-connection-strength automobile tension wheel rocker arm which can improve the replacement efficiency of the tension wheel.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high joint strength car tight pulley rocking arm that rises, includes first rocking arm and second rocking arm, be provided with U type connecting block on the first rocking arm, U type connecting block internal rotation is connected with the gear, the tip of second rocking arm stretches into U type connecting block and rotates the connection, be provided with the tooth surface of corresponding gear on the tip of second rocking arm, be provided with the ratchet in the axis of rotation of second rocking arm, the rotation is connected with the pawl that corresponds the ratchet in the axis of rotation of gear.
Further, the end of the rotating shaft of the gear is provided with a first hexagonal column, the pawl is provided with a second hexagonal column, and the first hexagonal column is located on one side, away from the U-shaped connecting block, of the second hexagonal column.
Further, the diameter of the gear is larger than the diameter of the tooth surface.
Furthermore, two sides of the U-shaped connecting block are provided with baffle plates.
Further, a flexible dustproof sleeve is arranged between the second rocker arm and the U-shaped connecting block.
Further, a reinforcing rib is arranged between the first rocker arm and the U-shaped connecting block.
Compared with the prior art, the utility model has the beneficial effects that: when the first rocker arm and the second rocker arm are installed on the engine shell for the first time, the first rocker arm and the second rocker arm are connected, the tension wheel is connected to the second rocker arm, the first rocker arm is installed on the engine shell, the gear is rotated to enable the second rocker arm to rotate towards the belt until the tension wheel tensions the belt, the second rocker arm is prevented from rotating towards the direction far away from the belt through the matching of the ratchet wheel and the pawl, when the tension wheel is replaced, the pawl is rotated to be separated from the ratchet wheel, the second rocker arm can be rotated towards the direction far away from the belt, the tension wheel is separated from the belt, the tension wheel is detached from the second rocker arm and replaced, the whole rocker arm does not need to be detached from the engine shell, and the replacement efficiency of the tension wheel is improved.
Drawings
FIG. 1 is a schematic structural view of a tension roller rocker arm in the utility model;
FIG. 2 is a schematic view of the front connection of the first rocker arm to the second rocker arm;
FIG. 3 is a side connection schematic of the first rocker arm and the second rocker arm;
fig. 4 is a schematic structural diagram of a prior art rocker arm.
Reference numerals: 1. a first rocker arm; 2. a second rocker arm; 3, a U-shaped connecting block; 4. a gear; 5. a tooth surface; 6. a ratchet wheel; 7. a pawl; 8. a first hexagonal column; 9. a second hexagonal column; 10. a baffle plate; 11. a flexible dust cover; 13. reinforcing ribs; 14. a tension wheel; 15. a belt.
Detailed Description
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the utility model, "a number" or "a number" means two or more unless explicitly specified otherwise.
The present invention is further explained with reference to fig. 1 to 4.
The utility model provides a high joint strength car tight pulley rocking arm that rises, includes first rocking arm 1 and second rocking arm 2, be provided with U type connecting block 3 on the first rocking arm 1, the 3 rotations of U type connecting block are connected with gear 4, the tip of second rocking arm 2 stretches into in U type connecting block 3 to rotate with U type connecting block 3 and be connected, be provided with the flank of tooth 5 that corresponds gear 4 on the tip of second rocking arm 2, be provided with ratchet 6 in the axis of rotation of second rocking arm 2, it is connected with pawl 7 that corresponds ratchet 6 to rotate in the axis of rotation of gear 4.
As shown in fig. 1 to 3, when the rocker arm is mounted for the first time, the first rocker arm 1 is connected with the second rocker arm 2, the gear 4 on the U-shaped connecting block 3 is matched with the tooth surface 5 on the second rocker arm 2, the tension wheel 14 is mounted on the second rocker arm 2, then the first rocker arm 1 is mounted on the engine housing, the gear 4 is rotated to rotate the second rocker arm 2 on the U-shaped connecting block 3 towards the belt 15 until the tension wheel 14 on the second rocker arm 2 tensions the belt 15, the second rocker arm 2 cannot rotate away from the belt 15 through the matching of the ratchet 6 and the pawl 7, so that the rocker arm is mounted, when the tension wheel 14 needs to be replaced, the pawl 7 can be released, so that the second rocker arm 2 sags under the reaction force of gravity and the belt 15, and at this time, the tension wheel 14 on the second rocker arm 2 can be detached and replaced; after the tension wheel 14 is replaced, the rotating gear 4 drives the second rocker arm 2 to rotate towards the belt 15 again, the second rocker arm 2 is fixed through the ratchet 6 and the pawl 7 after the belt 15 is tensioned, replacement of the tension wheel 14 and tensioning of the belt 15 are completed, the rocker arm does not need to be detached integrally, and replacement efficiency of the tension wheel 14 is improved.
As shown in fig. 3, in the embodiment, preferably, a first hexagonal column 8 is disposed at an end of a rotating shaft of the gear 4, a second hexagonal column 9 is disposed on the pawl 7, the first hexagonal column 8 is located at a side of the second hexagonal column 9 away from the U-shaped connecting block 3, when the rocker is first mounted on an engine housing, the gear 4 can be driven to rotate by a hexagonal wrench in cooperation with the first hexagonal column 8, so as to drive the second rocker 2 to rotate, when the tension pulley 14 needs to be replaced, the pawl 7 can be rotated to be disengaged from the ratchet 6 by the hexagonal wrench in cooperation with the second hexagonal column 9, so that the second rocker 2 can be driven to hang down, so as to replace the tension pulley 14, and after replacement, the first hexagonal column 8 can be engaged with the hexagonal wrench in order to re-tension the belt 15.
As shown in fig. 3, the first hexagonal socket 8 is preferably smaller than the second hexagonal socket 9, and different sizes of hexagonal wrenches are used to prevent mutual interference during rotation.
As shown in fig. 3, it is preferable in this embodiment that the diameter of the gear 4 is larger than that of the tooth surface 5, so that it is more labor-saving when the second rocker arm 2 is rotated.
As shown in fig. 2, it is preferable in this embodiment that baffles 10 are disposed on two sides of the U-shaped connecting block 3 to prevent external dust from entering the U-shaped connecting block 3 and affecting the connection between the gear 4 and the second swing arm 2.
As shown in fig. 2, in the present embodiment, a flexible dustproof sleeve 11 is preferably disposed between the second swing arm 2 and the U-shaped connecting block 3, so as to prevent external dust from entering the U-shaped connecting block 3, and at the same time, the rotation of the second swing arm 2 is not affected.
As shown in fig. 2, in the present embodiment, a reinforcing rib 13 is preferably disposed between the first rocker arm 1 and the U-shaped connecting block 3 to reinforce the connection between the first rocker arm 1 and the U-shaped connection.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (6)
1. The utility model provides a high joint strength car tight pulley rocking arm that rises which characterized in that: including first rocking arm and second rocking arm, be provided with U type connecting block on the first rocking arm, U type connecting block internal rotation is connected with the gear, the tip of second rocking arm stretches into in the U type connecting block to rotate with U type connecting block and be connected, be provided with the tooth surface of corresponding gear on the tip of second rocking arm, be provided with the ratchet in the axis of rotation of second rocking arm, the rotation is connected with the pawl that corresponds the ratchet in the axis of rotation of gear.
2. The high connection strength automobile tension roller rocker arm as claimed in claim 1, wherein: the end of the rotating shaft of the gear is provided with a first hexagonal column, the pawl is provided with a second hexagonal column, and the first hexagonal column is located on one side, away from the U-shaped connecting block, of the second hexagonal column.
3. The high connection strength automobile tension roller rocker arm as claimed in claim 2, wherein: the diameter of the gear is larger than the diameter of the tooth surface.
4. The high connection strength automobile tension roller rocker arm as claimed in claim 3, wherein: and baffles are arranged on two sides of the U-shaped connecting block.
5. The high connection strength automobile tension roller rocker arm as claimed in claim 4, wherein: and a flexible dustproof sleeve is arranged between the second rocker arm and the U-shaped connecting block.
6. The high connection strength automobile tension roller rocker arm as claimed in claim 5, wherein: and a reinforcing rib is arranged between the first rocker arm and the U-shaped connecting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122614849.6U CN216343735U (en) | 2021-10-28 | 2021-10-28 | High-connection-strength automobile tension wheel rocker arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122614849.6U CN216343735U (en) | 2021-10-28 | 2021-10-28 | High-connection-strength automobile tension wheel rocker arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216343735U true CN216343735U (en) | 2022-04-19 |
Family
ID=81131635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122614849.6U Expired - Fee Related CN216343735U (en) | 2021-10-28 | 2021-10-28 | High-connection-strength automobile tension wheel rocker arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216343735U (en) |
-
2021
- 2021-10-28 CN CN202122614849.6U patent/CN216343735U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20150336632A1 (en) | Electric assist device for a bicyle and electrically assisted bicyle provided with such a device | |
| CN1273307C (en) | Printer with ink ribbon winding mechanism | |
| CN102744700A (en) | Impact ratchet wrench | |
| US9475546B2 (en) | Electrical assistance device for a bicycle and electrically assisted bicycle provided with such a device | |
| CN216343735U (en) | High-connection-strength automobile tension wheel rocker arm | |
| CN115351776A (en) | Gripping apparatus mechanism suitable for sheet stock length changes | |
| CN113561799B (en) | Electric automobile battery pack dismounting and moving device | |
| CN218265876U (en) | Beam-pumping unit | |
| WO2010135874A1 (en) | Strap winch driving device | |
| JP2003170885A5 (en) | ||
| CN202878208U (en) | Impact ratchet wrench | |
| BR112013002465B1 (en) | Motor and method of mounting the tensioning member and chain in the motor chain housing | |
| CN202987312U (en) | Spare tire positioning anti-rotation structure | |
| KR101159800B1 (en) | Non-chain bicycle | |
| CN215617824U (en) | Flat sleeve tool for dismounting and mounting exhaust needle of casting external mold | |
| CN112059589A (en) | Automatic dismounting device of electric motor car motor protectiveness | |
| CN2323204Y (en) | Pivot door three-way valve | |
| CN200949168Y (en) | Novel semi-automatic clothes hanger hand winder | |
| CN216806876U (en) | Transmission chain assembly | |
| CN217944899U (en) | Mounting structure for automobile middle net | |
| CN211449540U (en) | Automatic belt tensioning device for abrasive belt and abrasive disc machine | |
| CN2803702Y (en) | Stageless plate strainer in corrugated board printing equipment | |
| CN211500804U (en) | Engine assembly, fixed support, generator and vehicle for vehicle | |
| CN219079890U (en) | Novel speed reduction clutch | |
| CN215705071U (en) | Paper bag printing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220419 |