CN207634629U - A kind of tension pulley - Google Patents
A kind of tension pulley Download PDFInfo
- Publication number
- CN207634629U CN207634629U CN201721785195.0U CN201721785195U CN207634629U CN 207634629 U CN207634629 U CN 207634629U CN 201721785195 U CN201721785195 U CN 201721785195U CN 207634629 U CN207634629 U CN 207634629U
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- Prior art keywords
- tensioning wheel
- bearing
- connection bolt
- hole
- dustproof cover
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Abstract
The utility model discloses a kind of tension pulleys, including tensioning wheel, preceding dustproof cover, rear dust cover, sealing ring, bearing and connection bolt.Preceding dustproof cover is located at the front end of tensioning wheel, and rear dust cover is located at the rear end of tensioning wheel, and bearing is inserted into tensioning wheel, and connection bolt is inserted into the inner wall of bearing.Sealing ring is located between connection bolt and bearing.The utility model is simple in structure, tensioning wheel is high in machining efficiency, assembling process is simple, later stage repair and replacement are convenient.The production cost for reducing manufacturing and processing enterprise improves production efficiency of assembling.
Description
Technical field
The utility model is related to a kind of tensioning wheel, specifically a kind of tension pulley.
Background technology
In tensioner apparatus extensive use vehicle transmission, production and processing.Tensioner apparatus is mainly by fixed shell, tensioning
The compositions such as arm, tensioning wheel body, torsional spring, spring axle sleeve, can make biography according to the different tightness of belt, adjust automatically tensile force
Dynamic system is stablized safe and reliable.Tensioning wheel body in tensioner apparatus is to decide tensioner apparatus working efficiency and use
The critical component in service life.Current tensioning wheel body mostly uses two wheel body docking in production, assembly, is fixed by rivet interlacement
(see attached drawing 1), finally installs bearing and the mode of other dust-proof parts carries out.High processing costs, efficiency of assembling is low, and there is an urgent need for one
The tensioning wheel body that kind processing technology is simple, assemble flow is few, production efficiency is high.
Utility model content
Purpose of the utility model is to overcome the above-mentioned shortcomings and provide a kind of tension pulleys, to solve the above problems.
A kind of tension pulley, including tensioning wheel, preceding dustproof cover, rear dust cover, sealing ring, bearing and connection bolt.
The preceding dustproof cover is located at the front end of tensioning wheel, and the rear dust cover is located at the rear end of tensioning wheel, and the bearing is inserted
Enter tensioning wheel, the connection bolt is inserted into the inner wall of bearing.The sealing ring is located between connection bolt and bearing.
The tensioning wheel circular ring shape is shelly-shaped, and center is through-hole.The tensioning wheel surface is coated with coating by ability cathode electrophoresis.
The through-hole wall of bearing up pulley is smooth surface.The section of the tensioning wheel is U-shaped.The outer wall of the through-hole wall and bearing is interference fit.
The preceding dustproof cover is ring-type, and the rear end of preceding dustproof cover is equipped with annulus protrusion, and the internal diameter of annulus protrusion is more than bearing
Internal diameter, and the internal diameter of annulus protrusion is more than the diameter of connection bolt.The dustproof cover is inserted into the through-hole of tensioning wheel, with tensioning wheel
For interference fit.
Dust cover is tubular after described, and center is equipped with through-hole, and through-hole aperture is more than the internal diameter of bearing.Dust cover is set after described
There is tensioning wheel rear end, is interference fit with tensioning wheel.
The sealing ring is rubber material.
The sealing ring is located between connection bolt and bearing.
The connection bolt is hexagonal stud, and bolt upper end is hexagonal prisms, and center is cylinder, and lower end is threaded post.
The central cylindrical of the connection bolt and the inner wall of bearing are interference fit.
The beneficial effects of the utility model are：
The utility model is simple in structure, tensioning wheel is high in machining efficiency, assembling process is simple, later stage repair and replacement are convenient.Subtract
The production cost of Shao Liao manufacturing and processing enterprises improves production efficiency of assembling.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is that schematic diagram is fixed in the riveting of old-fashioned tensioning wheel body；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the tensioning wheel schematic cross-section of the utility model；
Fig. 4 is the assembling schematic diagram of the utility model；
Fig. 5 is the assembly finished product schematic diagram of the utility model.
Marginal data：
1, tensioning wheel；1a, through-hole wall；2, preceding dustproof cover；2a, annulus protrusion；3, rear dust cover；4, sealing ring；5, bearing；
6, bolt is connected.
Specific implementation mode
The preferred embodiment of the utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear to be made to the scope of protection of the utility model
Define.
Referring to Fig. 2 to Fig. 5, a kind of tension pulley, including tensioning wheel 1, preceding dustproof cover 2, rear dust cover 3, sealing ring 4,
Bearing 5 and connection bolt 6.
Preceding dustproof cover 2 is located at the front end of tensioning wheel 1, and rear dust cover 3 is located at the rear end of tensioning wheel 1, and bearing 5 is inserted into tensioning wheel
1, connection bolt 6 is inserted into the inner wall of bearing 5.Sealing ring 4 is located between connection bolt 6 and bearing 5.
1 circular ring shape of tensioning wheel is shelly-shaped, and center is through-hole.1 surface of tensioning wheel is coated with coating by ability cathode electrophoresis.Tensioning wheel 1
Through-hole wall 1a be smooth surface.The section of tensioning wheel 1 is U-shaped.The outer wall of through-hole wall 1a and bearing 5 is interference fit.Bearing 5 is installed
When, so that bearing 5 is pressed into the through-hole of tensioning wheel 1 by oil pressure interference fit.The interface of tensioning wheel 1 is U-shaped, can be with referring to Fig. 3
It is processed by disposal molding, after being polished to the through-hole wall 1a of tensioning wheel 1, is pressed directly into bearing 5.It is greatly reduced
Process and assemble process, improves production efficiency.
Preceding dustproof cover 2 is ring-type, and the rear end of preceding dustproof cover 2 is equipped with annulus protrusion 2a, and the internal diameter of annulus protrusion 2a is more than axis
5 internal diameters are held, and the internal diameter of annulus protrusion 2a is more than the diameter of connection bolt 6.Dustproof cover be inserted into tensioning wheel 1 through-hole in, with
Bearing up pulley 1 is interference fit.Preceding dustproof cover 2 blocks the dust in front of the present apparatus, prevents dust from entering bearing 5.
Dust cover 3 is tubular afterwards, and center is equipped with through-hole, and through-hole aperture is more than the internal diameter of bearing 5.Dust cover 3, which is equipped with, afterwards opens
1 rear end of bearing up pulley is interference fit with tensioning wheel 1.Dust cover 3 blocks the dust at present apparatus rear afterwards, prevents dust from entering bearing
5。
Sealing ring 4 is rubber material.Sealing ring 4 is located between connection bolt 6 and bearing 5.Sealing ring 4 will connect bolt 6
It is sealed between bearing 5, prevents dust from entering bearing 5, influence to be driven.Bearing 5 is common the zero of the important components such as vehicle motor
Part.Connection bolt 6 is hexagonal stud, and bolt upper end is hexagonal prisms, and center is cylinder, and lower end is threaded post.Connect bolt 6
The inner wall of central cylindrical and bearing 5 be interference fit.When installation, connection bolt 6 is inserted into sealing ring 4, and spiral shell will be connected
The lower end of bolt 6 is inserted into bearing 5.The central cylindrical of bolt and 5 inner wall of bearing are interference fitted.By connect bolt 6 lower end with
The engine base connection of 1 device of tensioning wheel is solid
When assembly, bearing 5 is set to be pressed into the through-hole of tensioning wheel 1 by oil pressure interference fit.Connection bolt 6 is inserted into sealing
In circle 4, and the lower end for connecting bolt 6 is inserted into bearing 5.The central cylindrical of bolt and 5 inner wall of bearing are interference fitted.Preceding
Dustproof cover 2 before the installation of end, the dust cover 3 after rear end is installed.Finally it will will connect the machine of bolt 6 lower end and 1 device of tensioning wheel
Seat is connected and fixed.Belt is tightened on tensioning wheel 1, completes installation.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (3)
1. a kind of tension pulley, including tensioning wheel (1), preceding dustproof cover (2), rear dust cover (3), sealing ring (4), bearing (5)
With connection bolt (6), it is characterised in that：The preceding dustproof cover (2) is located at the front end of tensioning wheel (1), described rear dust cover (3) position
Rear end in tensioning wheel (1), the bearing (5) are inserted into tensioning wheel (1), and the connection bolt (6) is inserted into the inner wall of bearing (5),
The sealing ring (4) is located between connection bolt (6) and bearing (5), and tensioning wheel (1) circular ring shape is shelly-shaped, and center is through-hole,
Tensioning wheel (1) surface is coated with coating by ability cathode electrophoresis, and the through-hole wall (1a) of tensioning wheel (1) is smooth surface, the tensioning wheel
(1) section is U-shaped, and the outer wall of the through-hole wall (1a) and bearing (5) is interference fit.
2. a kind of tension pulley according to claim 1, it is characterised in that：The preceding dustproof cover (2) is ring-type, preceding anti-
The rear end of dirt lid (2) is equipped with annulus protrusion (2a), and the internal diameter of annulus protrusion (2a) is more than bearing (5) internal diameter, and annulus protrusion
The internal diameter of (2a) is more than the diameter of connection bolt (6), and the dustproof cover is inserted into the through-hole of tensioning wheel (1), is with tensioning wheel (1)
Interference fit.
3. a kind of tension pulley according to claim 1, it is characterised in that：Dust cover (3) is tubular, center after described
Equipped with through-hole, through-hole aperture is more than the internal diameter of bearing (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721785195.0U CN207634629U (en) | 2017-12-20 | 2017-12-20 | A kind of tension pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721785195.0U CN207634629U (en) | 2017-12-20 | 2017-12-20 | A kind of tension pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207634629U true CN207634629U (en) | 2018-07-20 |
Family
ID=62853182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721785195.0U Active CN207634629U (en) | 2017-12-20 | 2017-12-20 | A kind of tension pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207634629U (en) |
-
2017
- 2017-12-20 CN CN201721785195.0U patent/CN207634629U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |