CN205859069U - A kind of stretching wheel assembly - Google Patents
A kind of stretching wheel assembly Download PDFInfo
- Publication number
- CN205859069U CN205859069U CN201620681032.7U CN201620681032U CN205859069U CN 205859069 U CN205859069 U CN 205859069U CN 201620681032 U CN201620681032 U CN 201620681032U CN 205859069 U CN205859069 U CN 205859069U
- Authority
- CN
- China
- Prior art keywords
- wheel assembly
- stretching wheel
- support plate
- axle sleeve
- bearing
- 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
- 238000009434 installation Methods 0.000 claims abstract description 26
- 238000013016 damping Methods 0.000 claims abstract description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims description 2
- 230000000712 assembly Effects 0.000 claims 3
- 238000000429 assembly Methods 0.000 claims 3
- 230000001105 regulatory effect Effects 0.000 abstract description 14
- 238000010586 diagram Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Landscapes
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
This utility model relates to a kind of stretching wheel assembly, and including being arranged on the body at support plate top and being arranged on the belt pulley bottom support plate, described stretching wheel assembly also includes support；Described support is fixedly set on the step edge of body, described support and the damping piece movable contact in the installation cavity body being placed in described support plate.This regulating wheel is easily installed, and the setting of internally-damped part adds the damping of regulating wheel, reduces the arm swinging of regulating wheel, increases regulating wheel service life.
Description
Technical field
This utility model relates to technical field of automobile, particularly relates to engine wheel system accessory technical field, specifically
Relate to a kind of stretching 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 general
It is arranged in 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, tensioning
Wheel should be installed close proximity to big belt wheel.When using fixing regulating wheel, due to elongation and the abrasion of life span inner belt with start
Machine fuselage and the different thermal coefficient of expansion of belt and the change in size that produces so that tensile force is not the most in operation process for electromotor
Stable.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 easy
In producing noise and belt life shortening；If tensile force is too small, belt easily skids, vibrates generation noise, and belt is easy
In wrinkling, damaged, thus the lost of life.Regulating wheel plays the most important in the drive system of automobile engine as can be seen here
Effect.
The Chinese utility model patent application of Patent No. ZL201220444243.0 of the applicant's earlier application is open
A kind of automatic tensioner, including body (1), support plate (2), spring (3), belt pulley (12), axle bolt (14), bearing (16),
Linking arm (19), rotary middle spindle (18), described body (1) is provided with installation pin, and described body offers along peace on (1)
The recessed groove (17) of the circumferencial direction of dress pin, although this automatic tensioner avoids the interference when assembling with pin control hole, subtracts
Lack the parallelism error of automatic tensioner and the electromotor installation base surface caused because of Assembly Interference, improve regulating wheel and train
Coplanarity, product is normal for service life, it is simple to engine assembly employee is easily assembled belt.But, this automatic tensioner volume
Bigger, in addition it is also necessary to be arranged in engine wheel system by support, it is unfavorable for installing.
Utility model content
For overcome above-mentioned shortcomings and deficiencies this utility model of the prior art provide one be easily installed, compact conformation and
A kind of stretching wheel assembly that service life is longer.
For achieving the above object, the technical solution of the utility model is: a kind of stretching wheel assembly, including being arranged on support plate top
The body in portion and be arranged on the belt pulley bottom support plate, it also includes support；Described support passes through installation portion fixed cover thereon
It is contained on the step edge of body, described installation portion and the damping piece movable contact in the installation cavity body being placed in described support plate.
Preferably, in described installation cavity body, mounting flange it is provided with, in being provided with in the centre bore of described mounting flange
Spindle sleeve.
In any of the above-described scheme preferably, described mounting flange is set with spring.
In any of the above-described scheme preferably, the front end of described central axle sleeve has the step of external thread structure and body
Female thread on edge is fixing to be connected.
In any of the above-described scheme preferably, the centre bore at described mounting flange has been inserted into axle sleeve, described axle sleeve
It is fixedly set on central axle sleeve.
In any of the above-described scheme preferably, described axle sleeve contacts with the circumferential inner wall of described centre bore.
In any of the above-described scheme preferably, described belt pulley is fixing with bearing is connected.
In any of the above-described scheme preferably, described bearing is fixedly mounted on described support plate by hexagon flange bolt
Bottom.
In any of the above-described scheme preferably, described bearing is deep groove ball bearing.
In any of the above-described scheme preferably, described belt pulley and described body are in the side of support plate together.
In any of the above-described scheme preferably, described support plate uses cast aluminum construction to make.
In any of the above-described scheme preferably, described spring is torsion spring.
In any of the above-described scheme preferably, described spring and described step edge movable contact.
In any of the above-described scheme preferably, the quantity of described bearing is at least one.
Compared with prior art the utility model has the advantage of: this stretching wheel assembly adds damping piece, subtract and descended
The arm swinging of bearing up pulley, increases the service life of regulating wheel.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the preferred embodiment according to stretching wheel assembly of the present utility model.
Fig. 2 is the left view structural representation of the embodiment illustrated in fig. 1 according to stretching wheel assembly of the present utility model.
Fig. 3 is the right TV structure schematic diagram of the embodiment illustrated in fig. 1 according to stretching wheel assembly of the present utility model.
Fig. 4 is the sectional structure signal in the embodiment illustrated in fig. 2 according to stretching wheel assembly of the present utility model at A-A
Figure.
Fig. 5 is the mounting structure schematic diagram according to stretching wheel assembly embodiment illustrated in fig. 1 of the present utility model.
In figure, reference is: 1: body, 2: support plate, 3: spring, 4: central axle sleeve, 5: axle sleeve, 6: installation portion, 7: damping
Part, 8: belt pulley, 9: dust cap, 10: hexagon flange bolt, 11: bearing, 12: support.13: step edge, 14: mounting flange,
15: connect screwed hole.
Detailed description of the invention
Below in conjunction with the accompanying drawings preferred embodiment of the present utility model is further elaborated explanation；
Embodiment 1:
As Figure 1-5, Fig. 1 shows the main TV structure schematic diagram of stretching wheel assembly of the present embodiment.This regulating wheel is total
Become to have support 12. stretching wheel assembly stretching wheel assembly fixed installation on the engine or to be arranged on by support 12
In the middle of the train of electromotor.This stretching wheel assembly includes being arranged on the body 1 at support plate 2 top and being arranged on the skin bottom support plate 2
Belt wheel 8.Support plate 2 has installation cavity, is provided with mounting flange 14 in described installation cavity body, and mounting flange 14 has center
Hole.Described centre bore runs through mounting flange 14.Being socketed with spring 3 on mounting flange 14, spring 3 is movable with described step edge 13
Contact.In the present embodiment, described spring 3 is torsion spring.Described body 1 is provided with step edge 13.The installation portion 6 of support 12
It is sleeved on the step edge 13 of body 1 and is placed in described installation cavity body.Support 12 with in the installation cavity body being placed in described support plate 2
Damping piece 7 movable contact.Described installation portion 6 body 1 is snapped onto on the installation cavity of support plate 2 by central axle sleeve 4, is formed close
Seal structure.Described central axle sleeve 4 is placed in the centre bore of mounting flange 14, contacts with the axle sleeve 5 being placed in described centre bore.Institute
State axle sleeve 5 to be fixedly set on central axle sleeve 4.Axle sleeve 5 contacts with the circumferential inner wall of described centre bore.
The step edge 13 of body 1 has connecting hole, offers female thread in described connecting hole.The front end of central axle sleeve 4
There is external thread structure.Central axle sleeve 4 is connected to fixing company by external thread structure and the female thread on step edge 13 are fixing
Connect body 1 and spring 3, damping piece 7 and installation portion 6 are limited in described installation cavity body.In the bottom of support plate 2 by hexagonal method
Blue face bolt 10 is fixedly connected with belt pulley 8.In the present embodiment, belt pulley 8 is in support plate 2 together with body 1 and support 12
One side.Specifically, described belt pulley 8 being also installed with bearing 11, bearing 11 is fixing with belt pulley 8 to be connected.Bearing
It is also connected with on 11 being cased with dust cap 9.Support 12 is plate-like structure, is provided with connection screwed hole 16 on support 12.
Embodiment 2:
As Figure 1-5, a kind of stretching wheel assembly, including being arranged on the body 1 at support plate 2 top and being arranged on support plate 2 end
The belt pulley 8 in portion, it also includes support 12；Described support 12 is fixedly set in the step edge of body 1 by installation portion 6 thereon
On 13, described installation portion 6 and damping piece 7 movable contact in the installation cavity body being placed in described support plate 2.In described installation cavity body
It is provided with mounting flange 14, in the centre bore of described mounting flange 14, central axle sleeve 4 is installed.Described mounting flange 14 is set with
There is spring 3.The front end of described central axle sleeve 4 has that external thread structure and the female thread on the step edge 13 of body 1 are fixing to be connected.
Centre bore at described mounting flange 14 has been inserted into axle sleeve 5, and described axle sleeve 5 is fixedly set on central axle sleeve 4.
Described axle sleeve 5 contacts with the circumferential inner wall of described centre bore.Described belt pulley 8 is fixing with bearing 11 to be connected.Described bearing 11 leads to
Cross hexagon flange bolt 10 and be fixedly mounted on the bottom of described support plate 2.In the present embodiment, described bearing 11 is deep-groove ball axle
Holding, described spring 3 is torsion spring.Described belt pulley 8 and described body 1 are in the side of support plate 2 together.Described support plate 2 uses cast aluminium
Structure is made.Spring 3 and described step edge 13 movable contact.The quantity of described bearing 11 is at least one.
It is described in detail above in association with specific embodiment of the utility model, but is not to limit of the present utility model
System, every belongs to this utility model according to technical spirit of the present utility model to any simple modification made for any of the above embodiments
Technical scope, in addition it is also necessary to explanation: in embodiment not all matters, big and small list associated components one by one, but not shadow
Ring those skilled in the art's understanding to related art scheme.According to the category of the technical solution of the utility model include above-mentioned respectively
Combination in any between part.
Claims (14)
1. a stretching wheel assembly, including being arranged on the body at support plate top and being arranged on the belt pulley bottom support plate, its feature
It is: it also includes support；Described support is fixedly set on the step edge of body by installation portion thereon, described installation portion
With the damping piece movable contact in the installation cavity body being placed in described support plate.
2. stretching wheel assembly as claimed in claim 1, it is characterised in that: in described installation cavity body, it is provided with mounting flange, institute
In stating the centre bore of mounting flange, central axle sleeve is installed.
3. stretching wheel assembly as claimed in claim 2, it is characterised in that: on described mounting flange, it is set with spring.
4. stretching wheel assembly as claimed in claim 2, it is characterised in that: the front end of described central axle sleeve has external thread structure
Fix with the female thread on the step edge of body and be connected.
5. stretching wheel assembly as claimed in claim 2, it is characterised in that: the centre bore at described mounting flange has been inserted into axle
Set, described axle sleeve is fixedly set on central axle sleeve.
6. stretching wheel assembly as claimed in claim 5, it is characterised in that: described axle sleeve connects with the circumferential inner wall of described centre bore
Touch.
7. the stretching wheel assembly described in claim 1, it is characterised in that: described belt pulley is fixing with bearing to be connected.
8. stretching wheel assembly as claimed in claim 7, it is characterised in that: described bearing is by the fixing peace of hexagon flange bolt
It is contained in bottom described support plate.
9. the stretching wheel assembly described in claim 8, it is characterised in that: described bearing is deep groove ball bearing.
10. the stretching wheel assembly described in claim 1, it is characterised in that: described belt pulley and described body are in support plate together
Side.
11. stretching wheel assemblies as claimed in claim 10, it is characterised in that: described support plate uses cast aluminum construction to make.
12. stretching wheel assemblies as claimed in claim 3, it is characterised in that: described spring is torsion spring.
13. stretching wheel assemblies as claimed in claim 12, it is characterised in that: described spring and described step edge movable contact.
Stretching wheel assembly described in 14. claim 9, it is characterised in that: the quantity of described bearing is at least one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620681032.7U CN205859069U (en) | 2016-07-01 | 2016-07-01 | A kind of stretching wheel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620681032.7U CN205859069U (en) | 2016-07-01 | 2016-07-01 | A kind of stretching wheel assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205859069U true CN205859069U (en) | 2017-01-04 |
Family
ID=57645374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620681032.7U Expired - Fee Related CN205859069U (en) | 2016-07-01 | 2016-07-01 | A kind of stretching wheel assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205859069U (en) |
-
2016
- 2016-07-01 CN CN201620681032.7U patent/CN205859069U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20170104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |