CN208919237U - A kind of automobile tension wheel - Google Patents
A kind of automobile tension wheel Download PDFInfo
- Publication number
- CN208919237U CN208919237U CN201821731187.2U CN201821731187U CN208919237U CN 208919237 U CN208919237 U CN 208919237U CN 201821731187 U CN201821731187 U CN 201821731187U CN 208919237 U CN208919237 U CN 208919237U
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- China
- Prior art keywords
- mandrel
- inner ring
- tension wheel
- riveting press
- press groove
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Abstract
The utility model provides a kind of automobile tension wheel, belongs to auto parts field.It solves the problems, such as existing expansion tightening wheel structural instability.This automobile tension wheel includes tubular mandrel, it is arranged outside the left end of mandrel and is fixed with stamping arm annular in shape, bearing is cased with outside the right end of mandrel, bearing includes inner ring and outer ring, and inner ring inner sidewall and mandrel lateral wall closely against, the end face of the left end of inner ring is pressed on stamping arm, the contact position of the lateral wall of the inner sidewall and mandrel of inner ring right end is formed with riveting press groove by riveting, riveting press groove at least there are two and along the circumferentially-spaced uniformly distributed of mandrel, the notch of riveting press groove is towards right setting, and the slot bottom of riveting press groove is in closed.This automobile tension wheel has the advantages that stable structure.
Description
Technical field
The utility model belongs to auto parts field, is related to a kind of automobile tension wheel.
Background technique
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
The adjusting of timing chain progress tensioner degree.
A kind of existing mechanical tension device automatic expansion tightening wheel as disclosed in chinese patent library [application number:
200620108728.7], the axis of oilless bearing is equipped with including cooperation on outer diameter, cooperation is equipped with bias on the outer diameter of oilless bearing
Axis, eccentric shaft rear are equipped with fixed frame, fixed frame and axis Joint, are equipped with spring between fixed frame and eccentric shaft, spring and solid
Determine to be equipped with drive end bearing bracket between frame, the periphery of drive end bearing bracket is equipped with several burrs.
Above-mentioned expansion tightening wheel has a problem that: oilless bearing is connected by way of tight fit with axial, is being used for a long time
Under be easy to appear loose shift, cause tension device to fail.
Utility model content
The purpose of this utility model is the presence of the above problem in view of the prior art, proposes a kind of automobile tension wheel, solution
Certainly the technical issues of is how to improve structural stability.
The purpose of this utility model can be realized by the following technical scheme: a kind of automobile tension wheel, including tubular
Mandrel is arranged and is fixed with stamping arm annular in shape outside the left end of mandrel, is cased with bearing outside the right end of mandrel, bearing includes inner ring
And outer ring, and the lateral wall of the inner sidewall of inner ring and mandrel is closely against, which is characterized in that the end face of the left end of above-mentioned inner ring
It is pressed on stamping arm, the contact position of the lateral wall of the inner sidewall and mandrel of inner ring right end is formed with riveting press groove, riveting by riveting
Indent at least there are two and along the circumferentially-spaced uniformly distributed of mandrel, the notch of the riveting press groove is towards right setting, and the slot of riveting press groove
Bottom is in closed.
Left end by designing inner ring offsets with stamping arm, and the right end of inner ring is linked as one by riveting mode and mandrel
It is whole, effectively to limit bearing in the axial direction, to effectively prevent bearing's looseness to fall off, to improve the stable structure of this expansion tightening wheel
Property.
In above-mentioned automobile tension wheel, the left side and stamping arm right side of the inner ring are plane and the two phase
It reclines.Using above-mentioned design, to increase the contact area of inner ring and stamping arm, simultaneously to improve bearing and stamping arm is positioned
Stability, to improve the structural stability of this expansion tightening wheel.
In above-mentioned automobile tension wheel, the stamping arm is connected by way of tight fit with mandrel.
In above-mentioned automobile tension wheel, there is tapered guide surface on the lateral wall of the left end of the mandrel, and
Guide surface extends to the left side of mandrel.Under guide surface effect, it play the guiding role to stamping arm installation, to facilitate this expansion tightening wheel
Assembling.
In above-mentioned automobile tension wheel, there are four the riveting press grooves.
Compared with prior art, this automobile tension wheel is offseted by designing the left end of inner ring with stamping arm, and the right side of inner ring
End is held together by riveting mode with mandrel, effectively to limit bearing in the axial direction, to effectively prevent bearing's looseness
It falls off, to improve the structural stability of this expansion tightening wheel.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of this automobile tension wheel.
Fig. 2 is the right side structural representation of this automobile tension wheel.
In figure, 1, mandrel；1a, guide surface；2, stamping arm；3, bearing；3a, inner ring；3b, outer ring；4, riveting press groove.
Specific embodiment
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, this automobile tension wheel includes tubular mandrel 1, it is arranged and is fixed in ring outside the left end of mandrel 1
The stamping arm 2 of shape, and in the present embodiment, preferably stamping arm 2 is connected by way of tight fit with mandrel 1.
As depicted in figs. 1 and 2, bearing 3 is cased with outside the right end of mandrel 1, bearing 3 includes inner ring 3a and outer ring 3b, and inner ring
The lateral wall of the inner sidewall of 3a and mandrel 1 closely against.Wherein, the end face of the left end of inner ring 3a is pressed on stamping arm 2, preferably
The left side of inner ring 3a is plane with 2 right side of stamping arm and the two mutually reclines；The inner sidewall of inner ring 3a right end and mandrel 1
The contact position of lateral wall is formed with riveting press groove 4 by riveting, i.e., at this point, inner ring 3a is linked as one by riveting mode and mandrel 1
It is whole.The notch of riveting press groove 4 is towards right setting, and the slot bottom of riveting press groove 4 is in closed.Riveting press groove 4 at least there are two and along mandrel 1
It is circumferentially-spaced uniformly distributed.It is preferred that the quantity of riveting press groove 4 is 4.
In the present embodiment, there is tapered guide surface 1a, and guide surface 1a extends on the lateral wall of the left end of mandrel 1
To the left side of mandrel 1.Under guide surface 1a effect, it play the guiding role to the installation of stamping arm 2, to facilitate the group of this expansion tightening wheel
Dress.
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 automobile tension wheel, including tubular mandrel (1), it is arranged and is fixed with annular in shape outside the left end of mandrel (1)
Stamping arm (2) is cased with bearing (3) outside the right end of mandrel (1), and bearing (3) includes inner ring (3a) and outer ring (3b), and inner ring (3a)
Inner sidewall and mandrel (1) lateral wall closely against, which is characterized in that the end face of the left end of above-mentioned inner ring (3a) is pressed on
On stamping arm (2), the contact position of the lateral wall of the inner sidewall and mandrel (1) of inner ring (3a) right end is formed with riveting press groove by riveting
(4), riveting press groove (4) at least there are two and along the circumferentially-spaced uniformly distributed of mandrel (1), the notch of the riveting press groove (4) is set towards the right side
It sets, and the slot bottom of riveting press groove (4) is in closed.
2. automobile tension wheel according to claim 1, which is characterized in that the left side of the inner ring (3a) and stamping arm
(2) right side is plane and the two mutually reclines.
3. automobile tension wheel according to claim 1, which is characterized in that the side that the stamping arm (2) passes through tight fit
Formula and mandrel (1) are connected.
4. automobile tension wheel according to claim 3, which is characterized in that on the lateral wall of the left end of the mandrel (1)
With tapered guide surface (1a), and guide surface (1a) extends to the left side of mandrel (1).
5. automobile tension wheel according to claim 1, which is characterized in that there are four the riveting press grooves (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821731187.2U CN208919237U (en) | 2018-10-24 | 2018-10-24 | A kind of automobile tension wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821731187.2U CN208919237U (en) | 2018-10-24 | 2018-10-24 | A kind of automobile tension wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208919237U true CN208919237U (en) | 2019-05-31 |
Family
ID=66710459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821731187.2U Active CN208919237U (en) | 2018-10-24 | 2018-10-24 | A kind of automobile tension wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208919237U (en) |
-
2018
- 2018-10-24 CN CN201821731187.2U patent/CN208919237U/en active Active
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| GR01 | Patent grant |