CN207777550U - A kind of spring tension device - Google Patents
A kind of spring tension device Download PDFInfo
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- CN207777550U CN207777550U CN201820149878.5U CN201820149878U CN207777550U CN 207777550 U CN207777550 U CN 207777550U CN 201820149878 U CN201820149878 U CN 201820149878U CN 207777550 U CN207777550 U CN 207777550U
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- underarm
- mandrel
- torque spring
- spring
- tension device
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Abstract
The utility model provides a kind of spring tension device, belongs to auto parts and components field.It solves the problems, such as that existing tension device assembling is inconvenient.This spring tension device includes plastic wheel, underarm and the upper arm between plastic wheel and underarm, upper arm upper end is rotatablely connected with plastic wheel, installation cavity is formed between upper and lower arms, lumenal levels are installed and are equipped with mandrel, installation cavity is stretched out at mandrel both ends, mandrel is connected with underarm, it is cased with torque spring outside mandrel, torque spring is located in installation cavity, torque spring both ends are fixedly connected with upper and lower arms respectively, supporting block is fixed in installation cavity, side of the supporting block far from underarm offer it is arc-shaped and with the matched groove of torque spring, groove both ends are in open state, wherein one section of spiral section of torque spring is stuck in groove, there is blocky butting section on underarm, butting section and supporting block are circumferentially distributed along mandrel, torque spring is abutted against close to one end of underarm in portion.This spring tension device has the advantages that easy to use.
Description
Technical field
The utility model belongs to auto parts and components field, is related to a kind of tension device, especially a kind of spring tension device.
Background technology
Tension device acts on the Timing Belt or timing chain of engine, plays guiding and tensioner to it, makes it
Always it is in best tensioner state.Be generally divided into oil pressure and mechanical two ways, they can automatically to Timing Belt and
Timing chain carries out the adjusting of tensioner degree.
There are many type for the mechanical tension device sold on the market, and one of which tension device include plastic wheel, underarm and
Upper arm between plastic wheel and underarm, wherein the upper end of upper arm is rotatablely connected with plastic wheel；It is equipped between upper and lower arms
Torque spring, and the both ends of torque spring are connected with upper and lower arms respectively；The mandrel in hollow form is fixed on underarm.It uses
When, mandrel is connected with engine components, to drive lower arm swing, and controls plastic wheel tensioner belt by torque spring, tool
Have the advantages that easy to use.
But above-mentioned tension device has a problem that：It is not provided with the position limiting structure for installing torque spring, causes to turn round
The installation of power spring is relatively complicated, inconvenient.
Utility model content
The purpose of this utility model is the presence of the above problem in view of the prior art, it is proposed that a kind of spring tension device,
The technical issues of solution is how to improve property easy to assembly.
The purpose of this utility model can be realized by following technical proposal：A kind of spring tension device, including plastic wheel,
Underarm and the upper arm between plastic wheel and underarm, upper end and the plastic wheel of the upper arm are rotatablely connected, and under upper arm
An installation cavity is formed between end and underarm, is horizontally disposed with the mandrel having in hollow form in the installation cavity, the both ends of mandrel are equal
Installation cavity is stretched out, and mandrel is fixedly connected with the underarm, torque spring is cased with outside the mandrel, torque spring is located at installation
Intracavitary, and the both ends of torque spring are fixedly connected with upper and lower arms respectively, which is characterized in that branch is fixed in the installation cavity
Bracer, side of the supporting block far from underarm offer groove that is arc-shaped and matching with torque spring, and the two of groove
End is in open state, and wherein one section of spiral section of torque spring is connected in groove, is had on the underarm in blocky convex
The butting section gone out, butting section are located in installation cavity, and butting section and supporting block are along the circumferentially distributed of mandrel, the torque spring
It is abutted against in portion close to one end of underarm.
One end by the way that torque spring is arranged abuts against in portion and wherein one section of spiral section clamping of torque spring
In groove, to play preferable limit to torque spring, to effectively avoid torque spring when being connect with upper arm or underarm
It moves, convenience when torque spring installation can have not only been improved in this way, but also the installation accuracy of torque spring can be improved, to carry
The job stability of high tension device.
In above-mentioned spring tension device, the supporting block is made of pedestal and the elastomer being fixed on pedestal,
And elastomer, between pedestal and mandrel, the pedestal is made of rigid material, and pedestal is by being clamped in upper arm under
Mode between arm is fixed in installation cavity, and the groove is set on elastomer.It is connect with torque spring by the way that elastomer is arranged
It touches, since elastomer has elasticity, can both reduce the requirement to accuracy of grooves in this way, and to reduce difficulty of processing, and torsion can have been reduced
Damage when power spring is inserted into groove, to improve service life and the job stability of torque spring.
In above-mentioned spring tension device, the pedestal is L-shaped, and pedestal is by horizontally disposed interconnecting piece one and vertically
The interconnecting piece two of setting forms, and interconnecting piece one and interconnecting piece two respectively with upper and lower arms tight abutment, the elastomer
It is installed on the inside of pedestal, and interconnecting piece one and interconnecting piece two are contacted with the elastomer phase.Using above-mentioned design, have
Advantage simple in structure, easy for installation.
In above-mentioned spring tension device, the elastomer is made of silica gel or plastic material.
In above-mentioned spring tension device, the contact surface on the butting section for being contacted with torque spring is flat
Face.
Compared with prior art, this spring tension device has the following advantages：
1, it is abutted against in portion and wherein one section of spiral section card of torque spring by the way that one end of torque spring is arranged
It is connected in groove, to play preferable limit to torque spring, to effectively torque spring be avoided to be connect with upper arm or underarm
Shi Fasheng is moved, and can not only have been improved convenience when torque spring installation in this way, but also the installation accuracy of torque spring can be improved, and come
Improve the job stability of tension device.
2, it is contacted with torque spring by the way that elastomer is arranged, since elastomer has elasticity, can both be reduced to groove in this way
The requirement of precision to reduce difficulty of processing, and can reduce damage when torque spring is inserted into groove, to improve torque spring
Service life and job stability.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of this spring tension device.
Fig. 2 is the enlarged structure schematic diagram at A in Fig. 1.
Fig. 3 is the right side structural representation of this spring tension device.
In figure, 1, plastic wheel；2, underarm；2a, butting section；3, upper arm；4, mandrel；5, torque spring；6, supporting block；6a、
Pedestal；6a1, interconnecting piece one；6a2, interconnecting piece two；6b, elastomer；6b1, groove；7, bolt；8, installation cavity；9, entrucking screw.
Specific implementation mode
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1 to Figure 3, this spring tension device is by plastic wheel 1, underarm 2, upper arm 3, mandrel 4, torque spring 5, branch
Bracers 6 etc. form.
Specifically, upper arm 3 is in a strip shape and set between plastic wheel 1 and underarm 2.Wherein, plastic wheel 1 and upper arm 3 is upper
End rotation connection, and the connection type of the two is specific as follows：Plastic wheel 1 is by bearing and is arranged and is fixed on the hub cap outside bearing
Composition；The upper end of upper arm 3 has tubular mounting portion, and the inner ring of bearing is arranged and is fixed on outside mounting portion, real to stablize
Existing plastic wheel 1 is rotatablely connected with upper arm 3.It further illustrates, bolt 7, the head of bolt 7 and wherein the one of bearing is equipped in bearing
End face offsets, and the bar portion of bolt 7 passes through the other end of bearing and is fixedly connected with upper arm 3.
As depicted in figs. 1 and 2, an installation cavity 8 is formed between the lower end of upper arm 3 and underarm 2；Mandrel 4 is in hollow form and two
End is open.Mandrel 4 is arranged horizontally in installation cavity 8, and the both ends of mandrel 4 are stretched out installation cavity 8 and are respectively at
The outside of arm 3 and underarm 2.Mandrel 4 is fixedly connected with underarm 2, and preferred the two is fixedly connected with by tight fit.Torque spring 5 is arranged
Outside mandrel 4, torque spring 5 is located in installation cavity 8, and the both ends of torque spring 5 are fixedly connected with upper arm 3 and underarm 2 respectively.It is real
Border in mandrel 4 in use, wearing and being fixed with entrucking screw 9.
Supporting block 6 is fixed in installation cavity 8, and side of the supporting block 6 far from underarm 2 offers arc-shaped and and torque spring
The 5 groove 6b1 to match, and the both ends of groove 6b1 are in open state.Wherein one section of spiral section of torque spring 5 is connected to recessed
In slot 6b1, by 5 stable position of torque spring.There is the butting section 2a in blocky protrusion, and butting section 2a is under on underarm 2
Arm 2 is an integral structure.Butting section 2a is located in installation cavity 8, and butting section 2a and supporting block 6 are turned round along the circumferentially distributed of mandrel 4
Power spring 5 is abutted against close to one end of underarm 2 on portion 2a, further to limit torque spring 5.It further illustrates, against
Contact surface on portion 2a for being contacted with torque spring 5 is plane.
In the present embodiment, as shown in Fig. 2, supporting block 6 is made of pedestal 6a and the elastomer 6b being fixed on pedestal 6a,
And elastomer 6b is between pedestal 6a and mandrel 4.Wherein, pedestal 6a is made of rigid material, and pedestal 6a is by being clamped in
Mode between upper arm 3 and underarm 2 is fixed in installation cavity 8.Specifically, pedestal 6a is L-shaped, and pedestal 6a is by horizontally disposed
One 6a1 of interconnecting piece and the interconnecting piece two 6a2 composition being vertically arranged, and one 6a1 of interconnecting piece and two 6a2 of interconnecting piece respectively with upper arm 3
With 2 tight abutment of underarm, by pedestal 6a stable positions.Elastomer 6b has elasticity and it is made of silica gel or plastic material.
Elastomer 6b is installed on the inside of pedestal 6a, and one 6a1 of interconnecting piece and two 6a2 of interconnecting piece are in contact with elastomer 6b.Above-mentioned
Groove 6b1 is set on elastomer 6b.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (5)
1. a kind of spring tension device, including plastic wheel (1), underarm (2) and set on upper between plastic wheel (1) and underarm (2)
Arm (3), upper end and the plastic wheel (1) of the upper arm (3) are rotatablely connected, and are formed between the lower end of upper arm (3) and underarm (2)
One installation cavity (8) is horizontally disposed with the mandrel (4) having in hollow form in the installation cavity (8), and the both ends of mandrel (4) are stretched out
Installation cavity (8), and mandrel (4) is fixedly connected with the underarm (2), and torque spring (5), torsion are cased with outside the mandrel (4)
Spring (5) is located in installation cavity (8), and the both ends of torque spring (5) are fixedly connected with upper arm (3) and underarm (2) respectively, feature
It is, supporting block (6) is fixed in the installation cavity (8), and side of the supporting block (6) far from underarm (2) offers
Groove (6b1) that is arc-shaped and matching with torque spring (5), the both ends of groove (6b1) are in open state, and torque spring
(5) wherein one section of spiral section is connected in groove (6b1), has the butting section in blocky protrusion on the underarm (2)
(2a), butting section (2a) are located in installation cavity (8), and butting section (2a) and supporting block (6) are along circumferentially distributed, the institute of mandrel (4)
The torque spring (5) stated is abutted against close to one end of underarm (2) in portion (2a).
2. spring tension device according to claim 1, which is characterized in that the supporting block (6) by pedestal (6a) and
Elastomer (6b) composition being fixed on pedestal (6a), and elastomer (6b) is located between pedestal (6a) and mandrel (4), it is described
Pedestal (6a) is made of rigid material, and pedestal (6a) is fixed on peace by way of being clamped between upper arm (3) and underarm (2)
It behave affectedly in (8), the groove (6b1) is set on elastomer (6b).
3. spring tension device according to claim 2, which is characterized in that the pedestal (6a) is L-shaped, pedestal (6a)
It is made of horizontally disposed interconnecting piece one (6a1) and the interconnecting piece two (6a2) being vertically arranged, and interconnecting piece one (6a1) and connection
Respectively with upper arm (3) and underarm (2) tight abutment, the elastomer (6b) is installed on the inside of pedestal (6a) in portion two (6a2), and
Interconnecting piece one (6a1) and interconnecting piece two (6a2) are in contact with the elastomer (6b).
4. spring tension device according to claim 2 or 3, which is characterized in that the elastomer (6b) by silica gel or
Plastic material is made.
5. spring tension device according to claim 1, which is characterized in that be used on the butting section (2a) and torsion
The contact surface of spring (5) contact is plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820149878.5U CN207777550U (en) | 2018-01-29 | 2018-01-29 | A kind of spring tension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820149878.5U CN207777550U (en) | 2018-01-29 | 2018-01-29 | A kind of spring tension device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207777550U true CN207777550U (en) | 2018-08-28 |
Family
ID=63210908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820149878.5U Active CN207777550U (en) | 2018-01-29 | 2018-01-29 | A kind of spring tension device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207777550U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113412380A (en) * | 2019-03-28 | 2021-09-17 | 本田技研工业株式会社 | Tensioning regulator |
-
2018
- 2018-01-29 CN CN201820149878.5U patent/CN207777550U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113412380A (en) * | 2019-03-28 | 2021-09-17 | 本田技研工业株式会社 | Tensioning regulator |
| CN113412380B (en) * | 2019-03-28 | 2024-05-17 | 本田技研工业株式会社 | Tensioning regulator |
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