CN203836018U - Dust cover for inner constant-velocity joint - Google Patents
Dust cover for inner constant-velocity joint Download PDFInfo
- Publication number
- CN203836018U CN203836018U CN201420252931.6U CN201420252931U CN203836018U CN 203836018 U CN203836018 U CN 203836018U CN 201420252931 U CN201420252931 U CN 201420252931U CN 203836018 U CN203836018 U CN 203836018U
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- CN
- China
- Prior art keywords
- joint
- annular groove
- storage tank
- dust cover
- connecting portion
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- 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
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- Sealing Devices (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The utility model discloses a dust cover for an inner constant-velocity joint. According to the technical scheme, the dust cover is characterized in that the outer surface of a shaft rod connecting portion and the outer surface of an inner constant-velocity joint connecting portion are respectively provided with an installing groove for a hoop to carry out banding, the outer surface of the shaft rod connecting portion and the outer surface of the inner constant-velocity joint connecting portion are respectively sleeved with a protective sleeve, a first annular oil storage tank and a first annular groove are formed in the inner wall of the shaft rod connecting portion, the first annular groove is located between an opening of the shaft rod connecting portion and the first oil storage tank, a second annular oil storage tank and a second annular groove are formed in the inner wall of the inner constant-velocity joint connecting portion, the second annular groove is located between an opening of the inner constant-velocity joint connecting portion and the second oil storage tank, sealing rings are arranged in the first annular groove and the second annular groove respectively, the protective sleeves play a role in protection, the shaft rod connecting portion and the inner constant-velocity joint connecting portion are prevented from making direct contact with air through the protective sleeves, and not prone to ageing, and the banding effect of the hoops are more remarkable due to the arranged installing grooves. In the use process of the dust cover for the inner constant-velocity joint, oil in the dust cover is stored in the first oil storage tank and the second oil storage tank, the sealing rings can well play a role in sealing, a good oil leakage preventing structure can be formed, and oil leakage is avoided.
Description
Technical field
The utility model relates to the component of internal spherical cage drive mechanism, and more particularly, it relates to a kind of inner ball cage dust cover that is difficult for aging, not easy oil leakage and long service life.
Background technique
Inner ball cage dust cover is mainly by the dust boot body with crest, trough, the axostylus axostyle joint at its two ends, internal spherical cage joint are connected with axostylus axostyle, internal spherical cage respectively, and by clip banding, realize fixing, in routine use process, inner ball cage dust cover occurs that the place of aged deterioration is mostly on axostylus axostyle joint and internal spherical cage joint, it directly contacts with ambient air, and airborne steam and mould easily cause ageing of rubber, and leakage of oil easily appears in axostylus axostyle joint and internal spherical cage joint place.
Under rotating operating mode, dust boot body there will be bending, when long-term bending and angle easily make the aging and permanent deformation of the long-term stressed easy generation in joint of dust boot body and axostylus axostyle joint, internal spherical cage joint when large, affects using effect.
Model utility content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of inner ball cage dust cover that is difficult for aging, not easy oil leakage and long service life.
For achieving the above object, the utility model provides following technological scheme: a kind of inner ball cage dust cover, comprise the dust boot body with crest and trough, the two ends of described dust boot body are respectively equipped with axostylus axostyle joint and internal spherical cage joint, on described axostylus axostyle joint and internal spherical cage joint, be equipped with the opening communicating with dust boot body inside, the outer surface of described axostylus axostyle joint and internal spherical cage joint is equipped with the mounting groove for clip banding, the outer surface of described axostylus axostyle joint and internal spherical cage joint is all arranged with adaptive protecting jacket, described protecting jacket is made by flake aluminum, the inwall of described axostylus axostyle joint is provided with the first oil storage tank and first annular groove of annular, described the first annular groove is between the opening and the first oil storage tank of axostylus axostyle joint, the inwall of described internal spherical cage joint is provided with the second oil storage tank and second annular groove of annular, described the second annular groove is between the opening and the second oil storage tank of internal spherical cage joint, in described the first annular groove and the second annular groove, be all placed in seal ring.
By adopting technique scheme, the sheathed protecting jacket of outer surface at axostylus axostyle joint and internal spherical cage joint plays fine protective action, avoid it directly to contact with air, be difficult for aging, protecting jacket is made and is not affected clip banding effect by flake aluminum, aluminium has good thermal conductivity, can be good at heat radiation, the setting of mounting groove makes the banding effect of clip more remarkable, in use, when axostylus axostyle joint and internal spherical cage joint place are arrived in the oil flow in dust-proof cover, oil can store up at the first oil storage tank and the second oil storage tank, can play the effect of certain oil-leakage-prevention, seal ring in the first annular groove and the second annular groove can play good seal action, form so good leak-proof arrangement, avoid leakage of oil.
The utility model is further set to: the position of described the first annular groove and the second annular groove is all corresponding with mounting groove.
By adopting technique scheme, the position of the first annular groove and the second annular groove is all corresponding with mounting groove, like this in use clip banding, also can banding seal ring, and lift-off seal effect.
The utility model is further set to: the stiffening rib that the outer surface of joint, described dust boot body two ends is equipped with ring-type and is made by rubber.
By adopting technique scheme, stiffening rib can play the effect of gaining in strength, and in long-term bending and angle, when large, the joint of dust boot body and axostylus axostyle joint, internal spherical cage joint is not prone to aging distortion, increases the service life.
The utility model is further set to: the outer surface of described protecting jacket is equipped with radiating fin.
By adopting technique scheme, radiating fin can play the heat dissipation rate of accelerating flake aluminum, thereby reduces the temperature of inner ball cage dust cover, and inner ball cage dust cover can not occur because of high temperature aging, increases the service life.
The utility model is further set to: described dust boot body, axostylus axostyle joint and internal spherical cage joint are made by thermoplastic elastomer.
By adopting technique scheme, the characteristics such as thermoplastic elastomer has good shock resistance, anti-fatigue performance, high friction resistance energy, environment-protecting asepsis is pollution-free, and oil product and weather are had to good resistivity, make like this inner ball cage dust cover there is good characteristic and long service life.
The utility model is further set to: the outer surface of dust boot body, axostylus axostyle joint and internal spherical cage joint all scribbles chlorinated rubber coating.
By adopting technique scheme, the features such as chlorinated rubber coating has weatherability, acid fastness, resistance to deformation, tensile strength is high, specific elongation is large, and water-tight corrosion-proof moisture effect is remarkable, increases so the anti-aging characteristic of inner ball cage dust cover, be not prone to damage, increase the service life.
Accompanying drawing explanation
Fig. 1 is the utility model inner ball cage dust cover embodiment's sectional view.
Reference character: 1, crest; 2, trough; 3, dust boot body; 4, axostylus axostyle joint; 5, internal spherical cage joint; 6, mounting groove; 7, protecting jacket; 8, radiating fin; 9, the first oil storage tank; 10, the first annular groove; 11, the second oil storage tank; 12, the second annular groove; 13, seal ring; 14, stiffening rib.
Embodiment
With reference to Fig. 1, the utility model inner ball cage dust cover embodiment is described further.
A kind of inner ball cage dust cover, comprise the dust boot body 3 with trough 2 with crest 1, the two ends of described dust boot body 3 are respectively equipped with axostylus axostyle joint 4 and internal spherical cage joint 5, on described axostylus axostyle joint 4 and internal spherical cage joint 5, be equipped with the opening communicating with dust boot body 3 inside, the outer surface of described axostylus axostyle joint 4 and internal spherical cage joint 5 is equipped with the mounting groove 6 for clip banding, the outer surface of described axostylus axostyle joint 4 and internal spherical cage joint 5 is all arranged with adaptive protecting jacket 7, described protecting jacket 7 is made by flake aluminum, protecting jacket 7 by adhesives in dust boot body 3, the outer surface of described protecting jacket 7 is equipped with radiating fin 8, the inwall of described axostylus axostyle joint 4 is provided with the first oil storage tank 9 and first annular groove 10 of annular, described the first annular groove 10 is between the opening and the first oil storage tank 9 of axostylus axostyle joint 4, the inwall of described internal spherical cage joint 5 is provided with the second oil storage tank 11 and second annular groove 12 of annular, described the second annular groove 12 is between the opening and the second oil storage tank 11 of internal spherical cage joint 5, the interior seal ring 13 that is all placed in of described the first annular groove 10 and the second annular groove 12, the position of described the first annular groove 10 and the second annular groove 12 is all corresponding with mounting groove 6.
By adopting technique scheme, the sheathed protecting jacket 7 of outer surface at axostylus axostyle joint 4 and internal spherical cage joint 5 plays fine protective action, avoid it directly to contact with air, be difficult for aging, protecting jacket 7 is made and is not affected clip banding effect by flake aluminum, aluminium has good thermal conductivity, radiating fin 8 can increase thermal diffusivity, thereby reduce the temperature of inner ball cage dust cover, inner ball cage dust cover can not occur because of high temperature aging, the setting of mounting groove 6 makes the banding effect of clip more remarkable, in use, when axostylus axostyle joint 4 and internal spherical cage joint 5 place are arrived in the oil flow in dust-proof cover, oil can store up at the first oil storage tank 9 and the second oil storage tank 11, between the second oil storage tank 11 and the second annular groove 12, form sealing lip, add the seal ring 13 in the second annular groove 12, the position of the first annular groove 10 and the second annular groove 12 is all corresponding with mounting groove 6, like this in clip banding, also can banding seal ring 13, lift-off seal effect, form so good leak-proof arrangement, avoid leakage of oil.
The stiffening rib 14 that the outer surface of described dust boot body 3 joints, two ends is equipped with ring-type and is made by rubber, stiffening rib 14 is wholely set with dust boot body 3.
By adopting technique scheme, stiffening rib 14 can play the effect of gaining in strength, and in long-term bending and angle, when large, the joint of dust boot body 3 and axostylus axostyle joint 4, internal spherical cage joint 5 is not prone to aging distortion, increases the service life.
Described dust boot body 3, axostylus axostyle joint 4 and internal spherical cage joint 5 are made by thermoplastic elastomer, and the outer surface of described dust boot body 3, axostylus axostyle joint 4 and internal spherical cage joint 5 all scribbles chlorinated rubber coating.
By adopting technique scheme, the characteristics such as thermoplastic elastomer has good shock resistance, anti-fatigue performance, high friction resistance energy, environment-protecting asepsis is pollution-free, and oil product and weather are had to good resistivity, make like this inner ball cage dust cover there is good characteristic, the features such as chlorinated rubber coating has weatherability, acid fastness, resistance to deformation, tensile strength is high, specific elongation is large, and water-tight corrosion-proof moisture effect is remarkable, increase so the anti-aging characteristic of inner ball cage dust cover, be not prone to damage, increase the service life.
Claims (6)
1. an inner ball cage dust cover, comprise the dust boot body with crest and trough, the two ends of described dust boot body are respectively equipped with axostylus axostyle joint and internal spherical cage joint, on described axostylus axostyle joint and internal spherical cage joint, be equipped with the opening communicating with dust boot body inside, it is characterized in that: the outer surface of described axostylus axostyle joint and internal spherical cage joint is equipped with the mounting groove for clip banding, the outer surface of described axostylus axostyle joint and internal spherical cage joint is all arranged with adaptive protecting jacket, described protecting jacket is made by flake aluminum, the inwall of described axostylus axostyle joint is provided with the first oil storage tank and first annular groove of annular, described the first annular groove is between the opening and the first oil storage tank of axostylus axostyle joint, the inwall of described internal spherical cage joint is provided with the second oil storage tank and second annular groove of annular, described the second annular groove is between the opening and the second oil storage tank of internal spherical cage joint, in described the first annular groove and the second annular groove, be all placed in seal ring.
2. inner ball cage dust cover according to claim 1, is characterized in that: the position of described the first annular groove and the second annular groove is all corresponding with mounting groove.
3. inner ball cage dust cover according to claim 2, is characterized in that: the stiffening rib that the outer surface of joint, described dust boot body two ends is equipped with ring-type and is made by rubber.
4. inner ball cage dust cover according to claim 3, is characterized in that: the outer surface of described protecting jacket is equipped with radiating fin.
5. inner ball cage dust cover according to claim 4, is characterized in that: described dust boot body, axostylus axostyle joint and internal spherical cage joint are made by thermoplastic elastomer.
6. inner ball cage dust cover according to claim 5, is characterized in that: the outer surface of dust boot body, axostylus axostyle joint and internal spherical cage joint all scribbles chlorinated rubber coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420252931.6U CN203836018U (en) | 2014-05-16 | 2014-05-16 | Dust cover for inner constant-velocity joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420252931.6U CN203836018U (en) | 2014-05-16 | 2014-05-16 | Dust cover for inner constant-velocity joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203836018U true CN203836018U (en) | 2014-09-17 |
Family
ID=51513865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420252931.6U Expired - Fee Related CN203836018U (en) | 2014-05-16 | 2014-05-16 | Dust cover for inner constant-velocity joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203836018U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402410A (en) * | 2015-11-30 | 2016-03-16 | 泰尔重工股份有限公司 | Novel sealing structure |
-
2014
- 2014-05-16 CN CN201420252931.6U patent/CN203836018U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402410A (en) * | 2015-11-30 | 2016-03-16 | 泰尔重工股份有限公司 | Novel sealing structure |
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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: 20140917 Termination date: 20160516 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |