CN203476504U - Automatic automobile engine tensioning wheel of double-bearing structure - Google Patents
Automatic automobile engine tensioning wheel of double-bearing structure Download PDFInfo
- Publication number
- CN203476504U CN203476504U CN201320586062.6U CN201320586062U CN203476504U CN 203476504 U CN203476504 U CN 203476504U CN 201320586062 U CN201320586062 U CN 201320586062U CN 203476504 U CN203476504 U CN 203476504U
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- CN
- China
- Prior art keywords
- pad
- elastic support
- support sheet
- coupling shaft
- bonnet
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- Expired - Fee Related
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Abstract
The utility model relates to an automatic automobile engine tensioning wheel of a double-bearing structure. The tensioning wheel comprises a connecting assembly and a transmission assembly, wherein the connecting assembly comprises a connecting shaft, the front end and the rear end of the connecting shaft are provided with a front cover and a rear cover respectively, a tensioning arm is arranged on the connecting shaft in a sleeved mode, a volute spring is arranged in the front cover, a rubber gasket is arranged between the tensioning arm and the rear cover in a pressing mode, and a groove is formed in the position, corresponding to the rubber gasket, of the rear cover; a gasket and an elastic supporting sheet are further arranged between the rubber gasket and the bottom of the groove and arranged on the connecting shaft in a sleeved mode, the gasket is located between the elastic supporting sheet and the rubber gasket, and the elastic supporting sheet is arranged to be bent to one side of the bottom of the groove. By the adoption of the technical scheme, the automatic automobile engine tensioning wheel of the double-bearing structure can buffer impact force generated between the tensioning arm and the rear cover well, so that it is ensured that a tensioning wheel assembly is stable in working performance and long in service life.
Description
Technical field
The utility model relates to auto parts machinery field, particularly a kind of motor car engine automatic tensioner of dual bearing structure.
Background technique
Automobile tension pulley assembly is mainly that correctly transferring energy is to other parts when guaranteeing engine work, and its effect in car load, has determined the high requirement to its performance, functional parameter and operational safety.
The motor car engine automatic tensioner of existing a kind of dual bearing structure, include connection part, transmitting assemblies, described connection part includes coupling shaft, before coupling shaft, rear end is respectively equipped with protecgulum, bonnet, on described coupling shaft, be arranged with tension arms, described tension arms is positioned at protecgulum, between bonnet, in described protecgulum, be provided with volute spring, volute spring is set on coupling shaft, between described tension arms and bonnet, be installed with rubber pad, described rubber pad is set on coupling shaft, described transmitting assemblies includes Idle wheel, transmission shaft, described Idle wheel is set on transmission shaft, described transmission shaft and tension arms screw thread are fixed, between described Idle wheel and transmission shaft, be provided with bearing, described bearing is one in front and one in back provided with two, make like this Idle wheel rotate more steady.But, the automobile tension pulley assembly of this structure, although be installed with rubber pad between tension arms and bonnet, but the deformation quantity of rubber pad is limited, when automobile produces vibrations, between described tension arms and bonnet, still can produce greater impact, thereby make tensioning wheel assembly service behaviour unstable, and working life is short.
Summary of the invention
The purpose of this utility model: in order to overcome the defect of prior art, the utility model provides a kind of motor car engine automatic tensioner of dual bearing structure, it can cushion the impact force producing between tension arms and bonnet well, thereby guarantee tensioning wheel assembly stable work in work, long service life.
The technical solution of the utility model: a kind of motor car engine automatic tensioner of dual bearing structure, include connection part, transmitting assemblies, described connection part includes coupling shaft, before coupling shaft, rear end is respectively equipped with protecgulum, bonnet, on described coupling shaft, be arranged with tension arms, described tension arms is positioned at protecgulum, between bonnet, in described protecgulum, be provided with volute spring, volute spring is set on coupling shaft, between described tension arms and bonnet, be installed with rubber pad, described rubber pad is set on coupling shaft, described transmitting assemblies includes Idle wheel, transmission shaft, described Idle wheel is set on transmission shaft, described transmission shaft and tension arms screw thread are fixed, between described Idle wheel and transmission shaft, be provided with bearing, described bearing is one in front and one in back provided with two, it is characterized in that: on described bonnet, corresponding rubber pad position is provided with groove, between described rubber pad and bottom portion of groove, be also provided with pad, elastic support sheet, described pad, elastic support sheet is all set on coupling shaft, described pad is between elastic support sheet and rubber pad, described elastic support sheet arranges to bottom portion of groove curving.
Adopt technique scheme, by the elastic support sheet arranging, elastic support sheet arranges to bottom portion of groove curving, can cushion well the impact force producing between tension arms and bonnet like this, thereby guarantees tensioning wheel assembly stable work in work, long service life.
Further setting of the present utility model: the periphery of described elastic support sheet is extended with location piece to pad one side, on described pad, corresponding location piece position is provided with jack, and described location piece is plugged in described jack.
Adopt above-mentioned further setting, by location piece on elastic support sheet is inserted in the jack on pad, can locate well elastic support sheet like this, thus make between elastic support sheet and pad contact reliable.
Further setting more of the present utility model: described Idle wheel includes overcoat, inner sleeve, connects between described overcoat, inner sleeve through some connection straps, is provided with gap between described connection strap.
Adopt above-mentioned further setting again, the Idle wheel set-up mode of this structure, makes its quality light, has reduced cost, processes convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model specific embodiment;
Fig. 2 is I part partial enlarged drawing in Fig. 1.
Embodiment
As Fig. 1, shown in 2, a kind of motor car engine automatic tensioner of dual bearing structure, include connection part 1, transmitting assemblies 2, described connection part 1 includes coupling shaft 11, before coupling shaft 11, rear end is respectively equipped with protecgulum 12, bonnet 13, on described coupling shaft 11, be arranged with tension arms 3, described tension arms 3 is positioned at protecgulum 12, between bonnet 13, in described protecgulum 12, be provided with volute spring 14, volute spring 14 is set on coupling shaft 11, between described tension arms 3 and bonnet 13, be installed with rubber pad 15, described rubber pad 15 is set on coupling shaft 11, described transmitting assemblies 2 includes Idle wheel 21, transmission shaft 22, described Idle wheel 21 is set on transmission shaft 22, described transmission shaft 22 is fixed with tension arms 3 screw threads, between described Idle wheel 21 and transmission shaft 22, be provided with bearing 23, described bearing 23 is one in front and one in back provided with two, on described bonnet 13, corresponding rubber pad 15 positions are provided with groove 131, between described rubber pad 15 and groove 131 bottoms, be also provided with pad 16, elastic support sheet 17, described pad 16, elastic support sheet 17 is all set on coupling shaft 11, described pad 16 is between elastic support sheet 17 and rubber pad 15, described elastic support sheet 17 arranges to groove 131 bottom curvings.By the elastic support sheet 17 arranging, elastic support sheet 17 arranges to groove 131 bottom curvings, can cushion well like this impact force producing between tension arms 3 and bonnet 13, thereby guarantees tensioning wheel assembly stable work in work, long service life.
In the utility model specific embodiment, the periphery of described elastic support sheet 17 is extended with location piece 171 to pad 16 1 sides, and on described pad 16, corresponding location piece 171 positions are provided with jack 161, and described location piece 171 is plugged in described jack 161.By the location piece on elastic support sheet 17 171 is inserted in the jack 161 on pads 16, can locate well elastic support sheet 17 like this, thereby make between elastic support sheet 17 and pad 16 contact reliable.
In the utility model specific embodiment, described Idle wheel 21 includes overcoat 211, inner sleeve 212, between described overcoat 211, inner sleeve 212, through some connection straps 213, connects, and between described connection strap 213, is provided with gap 214.Idle wheel 21 set-up modes of this structure, make its quality light, have reduced cost, process convenient.
Claims (3)
1. the motor car engine automatic tensioner of a dual bearing structure, include connection part, transmitting assemblies, described connection part includes coupling shaft, before coupling shaft, rear end is respectively equipped with protecgulum, bonnet, on described coupling shaft, be arranged with tension arms, described tension arms is positioned at protecgulum, between bonnet, in described protecgulum, be provided with volute spring, volute spring is set on coupling shaft, between described tension arms and bonnet, be installed with rubber pad, described rubber pad is set on coupling shaft, described transmitting assemblies includes Idle wheel, transmission shaft, described Idle wheel is set on transmission shaft, described transmission shaft and tension arms screw thread are fixed, between described Idle wheel and transmission shaft, be provided with bearing, described bearing is one in front and one in back provided with two, it is characterized in that: on described bonnet, corresponding rubber pad position is provided with groove, between described rubber pad and bottom portion of groove, be also provided with pad, elastic support sheet, described pad, elastic support sheet is all set on coupling shaft, described pad is between elastic support sheet and rubber pad, described elastic support sheet arranges to bottom portion of groove curving.
2. the motor car engine automatic tensioner of dual bearing structure according to claim 1, it is characterized in that: the periphery of described elastic support sheet is extended with location piece to pad one side, on described pad, corresponding location piece position is provided with jack, and described location piece is plugged in described jack.
3. the motor car engine automatic tensioner of dual bearing structure according to claim 1 and 2, it is characterized in that: described Idle wheel includes overcoat, inner sleeve, between described overcoat, inner sleeve, through some connection straps, connect, between described connection strap, be provided with gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320586062.6U CN203476504U (en) | 2013-09-18 | 2013-09-18 | Automatic automobile engine tensioning wheel of double-bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320586062.6U CN203476504U (en) | 2013-09-18 | 2013-09-18 | Automatic automobile engine tensioning wheel of double-bearing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203476504U true CN203476504U (en) | 2014-03-12 |
Family
ID=50224845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320586062.6U Expired - Fee Related CN203476504U (en) | 2013-09-18 | 2013-09-18 | Automatic automobile engine tensioning wheel of double-bearing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203476504U (en) |
-
2013
- 2013-09-18 CN CN201320586062.6U patent/CN203476504U/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: 20140312 Termination date: 20150918 |
|
| EXPY | Termination of patent right or utility model |