CN212804109U - Long-life belt tensioner - Google Patents
Long-life belt tensioner Download PDFInfo
- Publication number
- CN212804109U CN212804109U CN202021080476.8U CN202021080476U CN212804109U CN 212804109 U CN212804109 U CN 212804109U CN 202021080476 U CN202021080476 U CN 202021080476U CN 212804109 U CN212804109 U CN 212804109U
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- CN
- China
- Prior art keywords
- rocker arm
- torsion spring
- bushing
- friction contact
- bush
- 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
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- 238000003860 storage Methods 0.000 claims abstract description 7
- 239000000428 dust Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000004519 grease Substances 0.000 abstract description 7
- 230000001050 lubricating effect Effects 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 6
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a long-life belt tensioner, which comprises a body, the inside joint of body has the bush, the inside fixed mounting of bush has the rocking arm, the bush is arranged in between rocking arm cavity and the body cavity, and coincide with the friction contact face, the inside fixed mounting of rocking arm has cylinder torsion spring. The friction contact surface of the bushing is a cylindrical surface and a conical surface, so that the friction contact area of the bushing can be effectively increased, and the pressure intensity of the bushing is reduced, so that the service life of the bushing is prolonged, and the service life of the tensioning wheel is prolonged; the friction contact surface of the bush is provided with an oil storage tank for storing lubricating grease; the cylindrical torsion spring provides torque for the tension wheel, and meanwhile, the cylindrical torsion spring is axially compressed to provide axial compression force; meanwhile, the lining flange surface structure is arranged between the rocker arm flange surface and the body flange surface and is attached to the rocker arm and the body flange surface, and the attaching force is provided by the cylindrical torsion spring.
Description
Technical Field
The utility model relates to the field of automotive technology, specifically a long-life belt tightening pulley.
Background
With the development of the automobile industry, engine maintenance intervals which a terminal customer wants to purchase are long, maintenance frequency is reduced, the effective utilization rate of the engine is improved, and the tensioning wheel is used as a quick-wear part on the engine.
Disclosure of Invention
An object of the utility model is to provide a long-life belt take-up pulley possesses the long-life, reduces the take-up pulley and maintains the advantage of maintenance frequency, has solved current take-up pulley structure, and the friction contact face is less, and easy wearing and tearing make its not enough problem of life-span in the use.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a long-life belt take-up pulley, includes the body, the inside joint of body has the bush, the inside fixed mounting of bush has the rocking arm, the bush is arranged in between rocking arm cavity and the body cavity, and coincide with the friction contact face, the inside fixed mounting of rocking arm has cylinder torsion spring, cylinder torsion spring's inside is run through and is provided with the dabber, the one end fixed mounting of dabber has the end cover, the fixed surface of rocking arm installs the belt pulley, the inside fixed mounting of belt pulley has the bearing, the terminal surface fixed mounting of bearing has the shield, the inside through mounting of shield has the bolt, bearing, shield pass through bolted connection on the rocking arm step.
Preferably, the body cavity and the rocker arm cavity are provided with contact surfaces matched with the friction contact surfaces of the bushings, and the friction contact surfaces of the bushings are provided with oil storage tanks.
Preferably, the bushing flange surface structure is arranged between the rocker arm flange surface and the body flange surface and is attached to the rocker arm and the body flange surface.
Preferably, the cylindrical torsion spring is provided with two hook heads, one end of the cylindrical torsion spring is abutted to the notch or the protruding structure on the end cover, and the other end of the cylindrical torsion spring is abutted to the notch or the protruding structure in the rocker arm cavity.
Preferably, one end of the mandrel is fixedly connected with the body, the other end of the mandrel is fixedly connected with the end cover, and a limiting structure is arranged between the rocker arm and the body.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the friction contact surface of the bushing is a cylindrical surface and a conical surface, so that the friction contact area of the bushing can be effectively increased, and the pressure intensity of the bushing is reduced, so that the service life of the bushing is prolonged, and the service life of the tensioning wheel is prolonged; the friction contact surface of the bush is provided with an oil storage tank for storing lubricating grease; the cylindrical torsion spring provides torque for the tension wheel, and meanwhile, the cylindrical torsion spring is axially compressed to provide axial compression force; meanwhile, the lining flange surface structure is arranged between the rocker arm flange surface and the body flange surface and is attached to the rocker arm and the body flange surface, the attaching force is provided by the cylindrical torsion spring, the structure prevents dust from entering the lining friction surface and influencing the service life of the lining, the belt tensioning wheel of the device has a large friction area, the friction surface is lubricated by lubricating grease, the friction life can be ensured to be long enough, and the tensioning wheel is durable and has a long service life; the tensioning wheel has simple structure and convenient manufacture.
Drawings
FIG. 1 is an exploded view of the structure of the present invention;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a front view of the structure of the present invention;
fig. 4 is a sectional view of the structure of the present invention.
In the figure: 1. a body; 2. a rocker arm; 3. a bushing; 4. a cylindrical torsion spring; 5. an end cap; 6. a mandrel; 7. a belt pulley; 8. a dust cover; 9. a bearing; 10. and (4) bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-4, a long-life belt tensioner comprises a body 1, a cavity of the body 1 and a cavity of a rocker arm 2 both have a contact surface matched with a friction contact surface of a bushing 3, the friction contact surface of the bushing 3 is provided with an oil storage tank, the bushing 3 is clamped in the body 1, a flange surface structure of the bushing 3 is arranged between the flange surface of the rocker arm 2 and the flange surface of the body 1 and is jointed with the flange surfaces of the rocker arm 2 and the body 1, the rocker arm 2 is fixedly arranged in the bushing 3, the bushing 3 is arranged between the cavity of the rocker arm 2 and the cavity of the body 1 and is matched with the friction contact surface, a cylindrical torsion spring 4 is fixedly arranged in the rocker arm 2, the cylindrical torsion spring 4 is provided with two hook heads, one end of the cylindrical torsion spring is matched with a notch or a bulge structure on an end cover 5, the other end of the cylindrical torsion spring 4 is, one end of a mandrel 6 is fixedly connected with the body 1, one end of the mandrel is fixedly connected with the end cover 5, a limiting structure is arranged between the rocker arm 2 and the body 1, the end cover 5 is fixedly installed at one end of the mandrel 6, a belt pulley 7 is fixedly installed on the surface of the rocker arm 2, a bearing 9 is fixedly installed inside the belt pulley 7, a dustproof cover 8 is fixedly installed on the end surface of the bearing 9, a bolt 10 is installed inside the dustproof cover 8 in a penetrating mode, the bearing 9 and the dustproof cover 8 are connected to the step of the rocker arm 2 through the bolt 10, and the friction contact surface of the lining 3 is a cylindrical surface and a conical surface; the friction contact surface of the bush 3 is provided with an oil storage tank for storing lubricating grease; the cylindrical torsion spring 4 provides torque for the tensioning wheel, and meanwhile, the cylindrical torsion spring 4 is axially compressed to provide axial compression force; meanwhile, the flange surface structure of the bush 3 is arranged between the flange surface of the rocker arm 2 and the flange surface of the body 1 and is jointed with the flange surfaces of the rocker arm 2 and the body 1, the jointing force is provided by the cylindrical torsion spring 4, the structure prevents dust from entering the friction surface of the bush 3 and influencing the service life of the bush 3, the belt tensioning wheel of the device has large friction area, and the friction surface is lubricated by lubricating grease, so that the friction life can be ensured to be long enough, and the tensioning wheel is durable and has long service life; the tensioning wheel has simple structure and convenient manufacture.
The utility model provides an all parts are the parts that general standard spare or technical staff in the field know, its structure and principle all are this technical staff all can learn through the technical manual or learn through conventional experimental method, the standard part that uses in this application file all can purchase from the market simultaneously, each part can all be customized according to the record of description and attached drawing in this application file, the concrete joining mode of each part all adopts conventional means such as ripe bolt in the prior art, rivets, welding, machinery, part and equipment all adopt conventional model in the prior art, no longer make specific statement here.
When the tension wheel is used, the friction contact surface of the lining 3 is a cylindrical surface and a conical surface, so that the friction contact area of the lining 3 can be effectively increased, the pressure of the lining 3 is reduced, the service life of the lining 3 is prolonged, and the service life of the tension wheel is prolonged; the friction contact surface of the bush 3 is provided with an oil storage tank for storing lubricating grease; the cylindrical torsion spring 4 provides torque for the tensioning wheel, and meanwhile, the cylindrical torsion spring 4 is axially compressed to provide axial compression force; meanwhile, the flange surface structure of the bush 3 is arranged between the flange surface of the rocker arm 2 and the flange surface of the body 1 and is jointed with the flange surfaces of the rocker arm 2 and the body 1, the jointing force is provided by the cylindrical torsion spring 4, the structure prevents dust from entering the friction surface of the bush 3 and influencing the service life of the bush 3, the belt tensioning wheel of the device has large friction area, and the friction surface is lubricated by lubricating grease, so that the friction life can be ensured to be long enough, and the tensioning wheel is durable and has long service life; the tensioning wheel has simple structure and convenient manufacture.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a long-life belt tensioner, includes body (1), its characterized in that: a lining (3) is clamped in the body (1), a rocker arm (2) is fixedly arranged in the lining (3), the bushing (3) is arranged between the cavity of the rocker arm (2) and the cavity of the body (1), and is matched with the friction contact surface, a cylindrical torsion spring (4) is fixedly arranged inside the rocker arm (2), a mandrel (6) penetrates through the cylindrical torsion spring (4), an end cover (5) is fixedly arranged at one end of the mandrel (6), a belt pulley (7) is fixedly arranged on the surface of the rocker arm (2), a bearing (9) is fixedly arranged in the belt pulley (7), a dust cover (8) is fixedly arranged on the end surface of the bearing (9), the inner part of the dustproof cover (8) is provided with a bolt (10) in a penetrating way, and the bearing (9) and the dustproof cover (8) are connected to the step of the rocker arm (2) through the bolt (10).
2. The long life belt tensioner as claimed in claim 1, wherein: the body (1) cavity and the rocker arm (2) cavity are provided with contact surfaces matched with the friction contact surfaces of the bushings (3), and the friction contact surfaces of the bushings (3) are provided with oil storage tanks.
3. The long life belt tensioner as claimed in claim 1, wherein: and the flange surface structure of the bushing (3) is arranged between the flange surface of the rocker arm (2) and the flange surface of the body (1) and is attached to the flange surfaces of the rocker arm (2) and the body (1).
4. The long life belt tensioner as claimed in claim 1, wherein: the cylindrical torsion spring (4) is provided with two hook heads, one end of the cylindrical torsion spring is abutted to a notch or a protruding structure on the end cover (5), and the other end of the cylindrical torsion spring is abutted to a notch or a protruding structure in the cavity of the rocker arm (2).
5. The long life belt tensioner as claimed in claim 1, wherein: one end of the mandrel (6) is fixedly connected with the body (1), one end of the mandrel is fixedly connected with the end cover (5), and a limiting structure is arranged between the rocker arm (2) and the body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021080476.8U CN212804109U (en) | 2020-06-12 | 2020-06-12 | Long-life belt tensioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021080476.8U CN212804109U (en) | 2020-06-12 | 2020-06-12 | Long-life belt tensioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212804109U true CN212804109U (en) | 2021-03-26 |
Family
ID=75096375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021080476.8U Expired - Fee Related CN212804109U (en) | 2020-06-12 | 2020-06-12 | Long-life belt tensioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212804109U (en) |
-
2020
- 2020-06-12 CN CN202021080476.8U patent/CN212804109U/en not_active Expired - Fee Related
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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: 20210326 |