CN205479181U - Automatic take -up pulley assembly - Google Patents
Automatic take -up pulley assembly Download PDFInfo
- Publication number
- CN205479181U CN205479181U CN201620032798.2U CN201620032798U CN205479181U CN 205479181 U CN205479181 U CN 205479181U CN 201620032798 U CN201620032798 U CN 201620032798U CN 205479181 U CN205479181 U CN 205479181U
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- CN
- China
- Prior art keywords
- auto
- spring
- tensioning wheel
- wheel assembly
- flange
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- 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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Abstract
The utility model relates to an automatic take -up pulley assembly, include and install body, spring on the extension board, install the belt pulley in the extension board bottom through central hub, the top of extension board has circular shape installation casing, the inside of installation casing has convex mounting flange, spring suit is in on the mounting flange, the one end of spring and the bottom fixed connection of casing, the other end and the support fixed connection of spring, the support with arrange in damping gasket contact in the installation casing. This automatic take -up pulley assembly adoption cylinder torsional spring structure, take -up pulley swing angle is when free position is far away when using, and the spring can rise greatly by outer supporting, pushes up the damping that increases the take -up pulley on the rocking arm with inside damping piece, reduces the arm pivot angle degree of take -up pulley, increase take -up pulley life.
Description
Technical field
This utility model relates to technical field of automobile, particularly relates to engine wheel system accessory technical field, is specifically related to a kind of auto-tensioning wheel assembly.
Background technology
Regulating wheel is the tensioner of V belt translation, can be by use is fixing or self-regulated regulating wheel realizes.Regulating wheel is typically located at the inner side of slack list, so that band is only by bend in one direction；Meanwhile, for ensureing that small pulley cornerite will not reduce too much, regulating wheel should be installed close proximity to big belt wheel.When using fixing regulating wheel, the change in size produced due to elongation and the abrasion thermal coefficient of expansion different with electromotor fuselage and belt of life span inner belt so that electromotor tensile force in operation process is the most unstable.When the centre-to-centre spacing of band can not regulate, regulating wheel can be used band tensioning.If tensile force is excessive, driving means is prone to produce noise and belt life shortens；If tensile force is too small, belt easily skids, vibrates generation noise, and belt is prone to wrinkling, damaged, thus the lost of life.Regulating wheel plays the most important effect in the drive system of automobile engine as can be seen here.
The Chinese utility model patent of Patent No. ZL201420723305.0 of the applicant's earlier application discloses a kind of automatic tensioner, this automatic tensioner includes belt pulley (3), body (2) and the spring (1) being arranged on support (5), is fixedly connected with the sleeve (6) running through support (5) on the installed surface of support (5)；Sleeve (6) is outwardly hollow-core construction；Offering axial installation gap (7) on the circumference wall of jacket casing (6), spring (1) is wrapped in upper and spring (1) the one end of jacket casing (6) and is connected to install in gap (7), and the other end is connected on body (2) in the limited mouth (2.4) offered.Although this tension wheel structure advantages of simple, assembling firm, lighter weight, being hardly damaged and need not manually to regulate belt.But, should need when the narrowest and small position is installed, owing to the spring in this automatic tensioner uses flat spring, the volume increasing regulating wheel was installed during flat spring.Therefore, this regulating wheel can not be installed in narrow and small position.Additionally, the body (2) in this automatic tensioner directly contacts with flat spring, damping less, service life is shorter.
Utility model content
For overcoming the shortcomings and deficiencies of above-mentioned prior art, this utility model provides a kind of auto-tensioning wheel assembly, this automatic tensioner assembly structure advantages of simple, assembles firm, lighter weight.
For achieving the above object, the technical solution of the utility model is: a kind of auto-tensioning wheel assembly, including the body being arranged on support plate by central axle sleeve, spring, it is arranged on the belt pulley bottom support plate, the top of described support plate has the installation housing of circle, the inside of described installation housing has the mounting flange of protrusion, and described spring housing is contained on described mounting flange；One end of described spring is fixing with the bottom installing housing to be connected, and the other end of described spring is fixing with support to be connected；Described support contacts with the damping gasket being placed in described mounting shell body.
Preferably, described body has flange connector and center connecting hole；Described center connecting hole is through described flange connector.
In any of the above-described scheme preferably, described spring is enclosed within described mounting flange and described flange connector simultaneously.
In any of the above-described scheme preferably, described central axle sleeve is fixed through centre bore and the described body of described mounting flange and is connected；The top of described central axle sleeve is placed in the connecting hole of described center.
In any of the above-described scheme preferably, the top of described flange connector and the step edge movable contact of described central axle sleeve.
In any of the above-described scheme preferably, described body snap onto described installation housing top and with damping gasket movable contact.
In any of the above-described scheme preferably, the height of described installation housing is more than the height of described mounting flange.
In any of the above-described scheme preferably, described spring is cylinder torsion spring.
In any of the above-described scheme preferably, the bottom of described support plate has through screwed hole.
In any of the above-described scheme preferably, described screwed hole is through the trapezoidal flange on described support plate.
In any of the above-described scheme preferably, described trapezoidal flange is installed with bearing.
In any of the above-described scheme preferably, described bearing is mounted by means of bolts on described trapezoidal flange.
In any of the above-described scheme preferably, described bearing is deep groove ball bearing.
In any of the above-described scheme preferably, described support plate uses casting aluminium material once to manufacture shaping.
Compared with prior art the utility model has the advantage of: this auto-tensioning wheel assembly uses cylinder torsion spring structure, in use regulating wheel pendulum angle from free position more away from time, spring outer can support swell, internally-damped part is withstood on and on rocking arm, increases the damping of regulating wheel, reduce the arm swinging of regulating wheel, increase regulating wheel service life.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram according to auto-tensioning wheel assembly one preferred embodiment of the present utility model.
Fig. 2 is the left view structural representation according to auto-tensioning wheel assembly embodiment illustrated in fig. 1 of the present utility model.
Fig. 3 is the right TV structure schematic diagram according to auto-tensioning wheel assembly embodiment illustrated in fig. 1 of the present utility model.
Fig. 4 is the sectional structure schematic diagram according to auto-tensioning wheel assembly embodiment illustrated in fig. 1 of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings preferred embodiment of the present utility model is further elaborated explanation.
As Figure 1-4, a kind of auto-tensioning wheel assembly, Fig. 1 is the main TV structure schematic diagram of the auto-tensioning wheel assembly in the present embodiment；Fig. 2 is Fig. 1 left view structural representation；Fig. 3 is the right TV structure schematic diagram of Fig. 1.See the sectional structure schematic diagram of the auto-tensioning wheel assembly that Fig. 4, Fig. 4 are the present embodiment.This stretching wheel assembly includes support plate 1, body 2, spring 3, central axle sleeve 4, bearing 10, support 6, damping gasket 7, belt pulley 8, dust cap 9 and bolt 11.Body 2 is arranged on support plate 1 by central axle sleeve 4.Belt pulley 8 is arranged on bottom support plate 1.The top of support plate 1 has the installation housing 12 of circle, and spring 3 is placed in described installation housing 12.Specifically, the inside installing housing 12 has prominent mounting flange 13.Spring 3 is sleeved on mounting flange 13.One end of spring 3 is fixing with the bottom installing housing 12 to be connected, and the other end of spring 3 is fixing with support 6 to be connected.Described spring 3 is cylinder torsion spring.In support 6 is placed in installation housing 12 and with damping gasket 7 movable contact.Described body 2 snap onto described installation housing 12 top and with damping gasket 7 movable contact.Mounting flange 13 and the circumferential inner wall installing housing 12 leave gap.Spring 3 is placed in described gap.The height height more than described mounting flange 13 of housing 12 is installed.The center of mounting flange 13 is provided with centre bore, is set with axle sleeve 5 in described centre bore, and central axle sleeve 4 contacts with axle sleeve 5.Central axle sleeve 4 is placed in axle sleeve 5.
Body 2 has flange connector 14 and center connecting hole；Described center connecting hole is positioned at the center of body 2；Described center connecting hole is through described flange connector 14.The top of central axle sleeve 4 is placed in the connecting hole of described center.In the present embodiment, body 2 uses casting aluminium material to make.Described spring 3 is enclosed within described mounting flange 13 and described flange connector 14 simultaneously.The top of flange connector 14 and step edge 15 movable contact of central axle sleeve 4.The circle diameter of mounting flange 13 is more than the circle diameter of flange connector 14；The circle diameter of flange connector 14 is more than the circle diameter of central axle sleeve 4.Central axle sleeve 4 is fixed with body 2 through the centre bore of mounting flange 13 and is connected, and the top of central axle sleeve 4 is placed in the connecting hole of described center.
In the present embodiment, described support plate 1 uses casting aluminium material once to manufacture shaping.The bottom of support plate 1 has trapezoidal flange 16.Bearing 10 is fixedly mounted on support plate 1 by bolt 11, specifically, has through screwed hole in the bottom of support plate 1.Described screwed hole runs through and the trapezoidal flange 16 on support plate 1.Bearing 10 is socketed on trapezoidal flange 16 and connects by the bolt 11 in described screwed hole is fixing.Dust cap 9 it is socketed with on bearing 10.Screw fixing with the screwed hole in trapezoidal flange 16 of bolt 11 is connected.
Embodiment 2: a kind of auto-tensioning wheel assembly
As Figure 1-4, a kind of auto-tensioning wheel assembly, including the body 2 being arranged on support plate 1 by central axle sleeve 4, spring 3, it is arranged on the belt pulley 8 bottom support plate 1, the top of described support plate 1 has the installation housing 12 of circle, the inside of described installation housing 12 has the mounting flange 13 of protrusion, and described spring 3 is sleeved on described mounting flange 13；One end of described spring 3 is fixing with the bottom installing housing 12 to be connected, and the other end of described spring 3 is fixing with support 6 to be connected；Described support 6 contacts with the damping gasket 7 being placed in described installation housing 12.The top of support plate 1 has through centre bore, and described centre bore runs through the mounting flange 13 installed in housing 12 with support plate 1 top.Axle sleeve 5 is installed in described centre bore, in described axle sleeve 5, is provided with central axle sleeve 4.Described body 2 has flange connector 14 and center connecting hole；Described center connecting hole is through described flange connector 13.Described spring 3 is enclosed within described mounting flange 13 and described flange connector 14 simultaneously.In the present embodiment, spring 3 is cylinder torsion spring.Described central axle sleeve 4 is fixed with described body 2 through the centre bore of described mounting flange 13 and is connected；Fix in the top of described central axle sleeve 4 is placed in described center connecting hole and with described center connecting hole and be connected.The top of described flange connector 14 and step edge 15 movable contact of described central axle sleeve 4.Described body 2 snap onto described installation housing 12 top and with damping gasket 7 movable contact.Have through screwed hole in the bottom of support plate 1, described screwed hole runs through and the trapezoidal flange 16 on support plate 1.Being provided with bearing 10 on trapezoidal flange 16, belt pulley 8 is fixedly mounted on bearing 10.Bearing 10 is fixedly mounted on described trapezoidal flange 16 by bolt 11 and fixes spacing by bolt 11, and bearing 10 is rotating to be arranged on trapezoidal flange 16.In the present embodiment, bearing 10 is deep groove ball bearing.
It should be noted that this utility model illustrated embodiment is intended merely to more clearly express this utility model method, it is not limited to this utility model.Every according to spirit of the present utility model and principle within, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.Every according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, all still fall within the scope of technical solutions of the utility model.
Claims (14)
1. an auto-tensioning wheel assembly, including the body being arranged on support plate by central axle sleeve, spring, it is arranged on the belt pulley bottom support plate, it is characterized in that: the top of support plate has the installation housing of circle, the inside of described installation housing has the mounting flange of protrusion, and described spring housing is contained on described mounting flange；One end of described spring is fixing with the bottom installing housing to be connected, and the other end of described spring is fixing with support to be connected；Described support contacts with the damping gasket being placed in described mounting shell body.
2. auto-tensioning wheel assembly as claimed in claim 1, it is characterised in that: described body has flange connector and center connecting hole；Described center connecting hole is through described flange connector.
3. auto-tensioning wheel assembly as claimed in claim 2, it is characterised in that: described spring is enclosed within described mounting flange and described flange connector simultaneously.
4. auto-tensioning wheel assembly as claimed in claim 2, it is characterised in that: described central axle sleeve is fixed with described body through the centre bore of described mounting flange and is connected；The top of described central axle sleeve is placed in the connecting hole of described center.
5. auto-tensioning wheel assembly as claimed in claim 2, it is characterised in that: the top of described flange connector and the step edge movable contact of described central axle sleeve.
6. auto-tensioning wheel assembly as claimed in claim 1, it is characterised in that: described body snap onto described installation housing top and with damping gasket movable contact.
7. auto-tensioning wheel assembly as claimed in claim 1, it is characterised in that: the height of described installation housing is more than the height of described mounting flange.
8. the auto-tensioning wheel assembly as described in claim 1 or 3, it is characterised in that: described spring is cylinder torsion spring.
9. auto-tensioning wheel assembly as claimed in claim 1, it is characterised in that: the bottom of described support plate has through screwed hole.
10. auto-tensioning wheel assembly as claimed in claim 9, it is characterised in that: described screwed hole is through the trapezoidal flange on described support plate.
11. auto-tensioning wheel assemblies as claimed in claim 10, it is characterised in that: it is installed with bearing on described trapezoidal flange.
12. auto-tensioning wheel assemblies as claimed in claim 11, it is characterised in that: described bearing is mounted by means of bolts on described trapezoidal flange.
13. auto-tensioning wheel assemblies as claimed in claim 12, it is characterised in that: described bearing is deep groove ball bearing.
14. auto-tensioning wheel assemblies as claimed in claim 13, it is characterised in that: described support plate uses casting aluminium material once to manufacture shaping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620032798.2U CN205479181U (en) | 2016-01-14 | 2016-01-14 | Automatic take -up pulley assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620032798.2U CN205479181U (en) | 2016-01-14 | 2016-01-14 | Automatic take -up pulley assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205479181U true CN205479181U (en) | 2016-08-17 |
Family
ID=56668596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620032798.2U Expired - Fee Related CN205479181U (en) | 2016-01-14 | 2016-01-14 | Automatic take -up pulley assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205479181U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106368810A (en) * | 2016-08-29 | 2017-02-01 | 安徽江淮汽车股份有限公司 | Engine idle wheel assembly |
| CN108443440A (en) * | 2018-04-24 | 2018-08-24 | 联禾厚普（太仓）精密机械有限公司 | A kind of tensioning control piece shell |
| WO2019184342A1 (en) * | 2018-03-31 | 2019-10-03 | 华南理工大学 | Variable-stiffness and high-damping automatic tensioner |
-
2016
- 2016-01-14 CN CN201620032798.2U patent/CN205479181U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106368810A (en) * | 2016-08-29 | 2017-02-01 | 安徽江淮汽车股份有限公司 | Engine idle wheel assembly |
| WO2019184342A1 (en) * | 2018-03-31 | 2019-10-03 | 华南理工大学 | Variable-stiffness and high-damping automatic tensioner |
| CN108443440A (en) * | 2018-04-24 | 2018-08-24 | 联禾厚普（太仓）精密机械有限公司 | A kind of tensioning control piece shell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20200114 |