CN208487161U - A kind of V belt automatic tension device - Google Patents
A kind of V belt automatic tension device Download PDFInfo
- Publication number
- CN208487161U CN208487161U CN201820991783.8U CN201820991783U CN208487161U CN 208487161 U CN208487161 U CN 208487161U CN 201820991783 U CN201820991783 U CN 201820991783U CN 208487161 U CN208487161 U CN 208487161U
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- spring
- tightening wheel
- expansion tightening
- swing arm
- guiding axis
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Abstract
The utility model discloses a kind of V belt automatic tension devices, including mounting base, expansion tightening wheel and swing arm, one end of the swing arm is hinged by swing arm shaft and mounting base, the expansion tightening wheel is mounted on the other end of swing arm by expansion tightening wheel shaft, the expansion tightening wheel is pulley concial disk, elastic construction is equipped between the mounting base and expansion tightening wheel, the elastic construction includes spring spool, the spring in spring spool, one end spring guiding axis and guiding axis fixed block equipped with block.The utility model structure is simple, compact, and belt can be made to remain tensioner state.
Description
Technical field
The utility model relates to transmission device technical fields, and in particular to a kind of V belt automatic tension device.
Background technique
The elastic appropriateness of belt has significant impact for the normal operation of belt drive unit, and belt is too loose, can cause
Belt slippage, belt tightly can then make very much belt receiving pressure excessive, influence transmission efficiency, or even belt can be made to generate with belt wheel and rubbed
It wipes, causes belt because of heating burnout, influence service life.The belt of existing manually tensioner, after running for a period of time,
Belt can be because temperature increases, and the factors such as flexible deformation influence, and belt can be elongated.If belt will be located without foreign intervention
In relaxation working condition, if belt reduces transmission efficiency because of skidding, or even because of cunning for a long time in relaxation working condition
Dynamic friction causes temperature rise too fast, and blows belt.
Utility model content
The purpose of this utility model is to overcome the deficiencies of above-mentioned background technique, provide a kind of V belt automatic tension
Device.
In order to achieve the goal above, a kind of V belt automatic tension device provided by the utility model, including mounting base,
One end of expansion tightening wheel and swing arm, the swing arm is hinged by swing arm shaft and mounting base, and the expansion tightening wheel passes through tensioner
Wheel shaft is mounted on the other end of swing arm, and the expansion tightening wheel is pulley concial disk, is equipped between the mounting base and expansion tightening wheel
Elastic construction, the elastic construction include the spring guiding of spring spool, the spring in spring spool, one end equipped with block
Axis and guiding axis fixed block, one end of the spring spool are equipped with installing port, and the other end is equipped with pilot hole, and the spring pocket is mounted in
On spring guiding axis, the other end of the spring guiding axis passes through pilot hole and connect with guiding axis fixed block, the spring pocket
Cylinder is equipped with attachment base, and the attachment base is hinged by spring spool shaft and mounting base, and the guiding axis fixed block is by rising
Bearing up pulley shaft and swing arm are hinged.
Technical solution provided by the utility model has the benefit that
The utility model was reasonably run transmission device by the way that elastic construction is arranged between mounting base and expansion tightening wheel
The expanding force of the belt generated in journey is transferred on spring, is stored and is released energy by the elastic deformation of spring, made always
Belt keeps tensioner.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the front view of the utility model；
Fig. 3 is the configuration schematic diagram of the utility model.
In figure: mounting base 1, expansion tightening wheel 2, expansion tightening wheel shaft 2a, swing arm 3, swing arm shaft 3a, elastic construction 4, spring
Sleeve 4a, installing port 4a1, spring 4b, spring guiding axis 4c, block 4c1, guiding axis fixed block 4d, attachment base 4e, spring spool
Shaft 4f.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
A kind of V belt automatic tension device as shown in Figure 1, including mounting base 1, expansion tightening wheel 2 and swing arm 3, it is described
One end of swing arm 3 is hinged by swing arm shaft 3a and mounting base 1, and the expansion tightening wheel 2 is mounted on by expansion tightening wheel shaft 2a
The other end of swing arm 3, the expansion tightening wheel 2 are pulley concial disk, and elastic construction is equipped between the mounting base 1 and expansion tightening wheel 2
4, the elastic construction 4 includes the spring of spring spool 4a, the spring 4b in spring spool 4a, one end equipped with block 4c1
One end of guiding axis 4c and guiding axis fixed block 4d, the spring spool 4a are equipped with installing port 4a1, and the other end is equipped with pilot hole,
The spring 4b is sleeved on spring guiding axis 4c, and the other end of the spring guiding axis 4c passes through pilot hole and consolidates with guiding axis
Determine block 4d connection, the spring spool 4a is equipped with attachment base 4e, and the attachment base 4e passes through spring spool shaft 4f and installation
Seat 1 is hinged, and the guiding axis fixed block 4d is hinged by expansion tightening wheel shaft 2a and swing arm 3.
The concrete operating principle of the utility model are as follows:
In the process of running, the inner surface of expansion tightening wheel 2 and V belt is in close contact belt drive unit, and expansion tightening wheel 2 exists
Under the action of the pulling force of belt, spring 4b, block 4c1 compression are transferred the force to by spring guiding axis 4c and block 4c1
Spring 4b is moved in spring spool 4a.With the pressure change of belt, spring 4b moves reciprocatingly in spring spool 4a, from
And being always ensured that belt is tensioner state.
Other unspecified parts belong to the prior art.
Claims (1)
1. a kind of V belt automatic tension device, including mounting base (1), expansion tightening wheel (2) and swing arm (3), the swing arm
(3) hingedly by swing arm shaft (3a) and mounting base (1), the expansion tightening wheel (2) is pacified by expansion tightening wheel shaft (2a) for one end
The other end mounted in swing arm (3), it is characterised in that: the expansion tightening wheel (2) be pulley concial disk, the mounting base (1) with rise
Elastic construction (4) are equipped between bearing up pulley (2), the elastic construction (4) includes spring spool (4a), is located in spring spool (4a)
Spring (4b), one end be equipped with block (4c1) spring guiding axis (4c) and guiding axis fixed block (4d), the spring spool
The one end of (4a) is equipped with installing port (4a1), and the other end is equipped with pilot hole, and the spring (4b) is sleeved on spring guiding axis (4c)
On, the other end of the spring guiding axis (4c) passes through pilot hole and connect with guiding axis fixed block (4d), the spring spool
(4a) is equipped with attachment base (4e), and the attachment base (4e) passes through spring spool shaft (4f) and mounting base (1) hingedly, described to lead
It is hinged by expansion tightening wheel shaft (2a) and swing arm (3) to axis fixed block (4d).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820991783.8U CN208487161U (en) | 2018-06-26 | 2018-06-26 | A kind of V belt automatic tension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820991783.8U CN208487161U (en) | 2018-06-26 | 2018-06-26 | A kind of V belt automatic tension device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208487161U true CN208487161U (en) | 2019-02-12 |
Family
ID=65248665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820991783.8U Active CN208487161U (en) | 2018-06-26 | 2018-06-26 | A kind of V belt automatic tension device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208487161U (en) |
-
2018
- 2018-06-26 CN CN201820991783.8U patent/CN208487161U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |