CN204716789U - A kind of integrative-structure joint fork of improvement - Google Patents
A kind of integrative-structure joint fork of improvement Download PDFInfo
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- CN204716789U CN204716789U CN201520438917.XU CN201520438917U CN204716789U CN 204716789 U CN204716789 U CN 204716789U CN 201520438917 U CN201520438917 U CN 201520438917U CN 204716789 U CN204716789 U CN 204716789U
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- mounting hole
- neck
- universal
- integrative
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Abstract
A kind of integrative-structure joint fork of improvement, comprise jaw portion, neck and mounting head are installed, described jaw portion by two symmetrically arranged universal jaws be connected hub portion and form, on two symmetrical universal jaws, concentric is provided with mounting hole respectively, in described mounting hole, wear-resistant sleeve is installed, universal jaw exterior edge face is provided with the cylinder boss with mounting hole coaxial line, cylinder boss madial wall is provided with toroidal cavity, cylinder boss is equipped with corresponding dust-proof port lid, dust-proof port lid is provided with the cylindrical sleeve coordinated with mounting hole, cylindrical sleeve is provided with the elastic ring matched with toroidal cavity, the bottom of two universal jaws is fixed on and connects in hub portion, connect hub subordinate end and have the rounded bottom being connected with concentric, rounded bottom is installed and is provided with installation neck, the utility model structure is simple, anatomical connectivity secure rigid, decrease logistics and technique assembly process, effectively dust-proof, substantially increase mechanism's service life.
Description
Technical field
The utility model relates to universal-joint fork technical field, the integrative-structure joint fork of specifically a kind of improvement.
Background technique
Universal joint and universal joint are the parts realizing varied angle transmission of power, and for needing the position changing transmission axial direction, it is " joint " parts of the universal driving device of automobile driving system.Universal joint and transmission shaft combine, be called card gear, universal joint comprises universal-joint fork and cross axle, universal-joint fork comprises fork pin, installs neck and mounting head, described fork is worn and is provided with attachment hole, described installation neck and mounting head are coaxially arranged and all in cylindric setting, pin is coupled together by two attachment holes of setting on it and two symmetrical pin of cross axle, and mounting head can be that transmission shaft connects by sheathed axle sleeve.The structure of universal joint and effect are a little as the joint in human limb, and it allows the angle between the part that is connected to change within the specific limits.In traditional design, joint fork with between axle or adopts and weld, or is exactly the connection of employing riveting.But these two kinds of Placements not only have higher requirement to logistics and technique assembling, are also difficult to because own wt is comparatively large the requirement meeting client's lightweight, low energy consumption; In addition, easily offset and easily wear and tear when transmitting torsion when the mounting head of existing universal coupling fork is connected with transmission shaft by axle sleeve; And the mounting hole that universal-joint fork coordinates with cross axle easily enters a large amount of dust, not only can affect the lubrication of mechanism, also can reducing mechanism service life greatly.
Model utility content
It is simple that the purpose of this utility model is to provide a kind of structure, and anatomical connectivity secure rigid, reduces logistics and technique assembly process, effectively dust-proof, improves the integrative-structure joint fork of mechanism's service life, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technological scheme:
A kind of integrative-structure joint fork of improvement, comprise jaw portion, neck and mounting head are installed, described jaw portion by two symmetrically arranged universal jaws be connected hub portion and form, on two symmetrical universal jaws, concentric is provided with mounting hole respectively, in described mounting hole, wear-resistant sleeve is installed, universal jaw exterior edge face is provided with the cylinder boss with mounting hole coaxial line, cylinder boss madial wall is provided with toroidal cavity, cylinder boss is equipped with corresponding dust-proof port lid, dust-proof port lid is provided with the cylindrical sleeve coordinated with mounting hole, cylindrical sleeve is provided with the elastic ring matched with toroidal cavity, the bottom of two universal jaws is fixed on and connects in hub portion, connect hub subordinate end and have the rounded bottom being connected with concentric, rounded bottom is installed and is provided with installation neck, neck lower end is installed and is fixedly installed mounting head, described installation neck and mounting head concentric are arranged and all in cylindric, neck external diameter is installed and is greater than mounting head external diameter, mounting head comprises construction section and flat sections, flat sections end face is connected with installation neck end face, described construction section is provided with spline, described construction section outer surface offers the binding groove for being embedded seal ring, the convex annular edge coaxially arranged with construction section is convexly equipped with bottom described binding groove, described convex annular is less than construction section external diameter along external diameter.
Further, described cylindrical sleeve is provided with the annular groove of cross section semicircular in shape, described elastic ring is mounted in annular groove.
Further, construction section is divided into secondary part and live part by described binding groove, and the axial length of described live part is greater than the axial length of secondary part.
Further, described jaw portion, rounded bottom, installation neck and mounting head are formed in one setting.
Further, described wear-resistant sleeve is made up of chromium carbide compounded material.
Compared with prior art, the beneficial effects of the utility model are: adopt joint fork and install the integrated structural design of neck, avoid and weld or riveting Joining Technology between envoy's fork with installation neck, thus decrease logistics and technique assembly process and alleviate own wt; Time construction section and axle sleeve etc. are installed and be connected, live part is as main bearing position, and therefore live part is the main load position of construction section, and its extended length contributes to the torsion transmission strengthening construction section, improves the connection safety reliability of structure; Be provided with wear-resistant sleeve in described mounting hole, wear-resistant sleeve is made up of chromium carbide compounded material, greatly strengthen the wear-resisting property of mounting hole; Be equipped with corresponding dust-proof port lid with on the cylinder boss of mounting hole coaxial line, can effectively avoid dust to enter the running affecting cross axle and universal jaw in mounting hole.To sum up, the utility model structure is simple, and anatomical connectivity secure rigid, decreases logistics and technique assembly process, effectively dust-proof, substantially increases mechanism's service life.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of integrative-structure joint fork of improvement.
Fig. 2 is the structural representation in jaw portion in a kind of integrative-structure joint fork of improvement.
In figure: the universal jaw of 1-, 2-mounting hole, 3-connects hub portion, 4-rounded bottom, and 5-installs neck, 6-live part, 7-convex annular edge, the secondary part of 8-, 9-binding groove, 10-wear-resistant sleeve, 11-cylinder boss, 12-elastic ring, the dust-proof port lid of 13-, 14-toroidal cavity.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 ~ 2, in the utility model embodiment, a kind of integrative-structure joint fork of improvement, comprise jaw portion, neck 5 and mounting head are installed, described jaw portion by two symmetrically arranged universal jaws 1 be connected hub portion 3 and form, on two symmetrical universal jaws 1, concentric is provided with mounting hole 2 respectively, in described mounting hole 2, wear-resistant sleeve 10 is installed, universal jaw 1 exterior edge face is provided with the cylinder boss 11 with mounting hole 2 coaxial line, cylinder boss 11 madial wall is provided with toroidal cavity 14, cylinder boss 11 is equipped with corresponding dust-proof port lid 13, dust-proof port lid 13 is provided with the cylindrical sleeve coordinated with mounting hole 2, cylindrical sleeve is provided with the elastic ring 12 matched with toroidal cavity 14, the bottom of two universal jaws 1 is fixed on and connects in hub portion 3, connect lower end, hub portion 3 and have the rounded bottom 4 being connected with concentric, rounded bottom 4 is installed to be provided with and is installed neck 5, neck 5 lower end is installed and is fixedly installed mounting head, described installation neck 5 and mounting head concentric are arranged and all in cylindric, neck 5 external diameter is installed and is greater than mounting head external diameter, mounting head comprises construction section and flat sections, flat sections end face is connected with installation neck 5 end face, described construction section is provided with spline, described construction section outer surface offers the binding groove 9 for being embedded seal ring, the convex annular that coaxially arranges with construction section is convexly equipped with along 7 bottom described binding groove 9, described convex annular is less than construction section external diameter along 7 external diameters.
In embodiment, described cylindrical sleeve is provided with the annular groove of cross section semicircular in shape, described elastic ring 12 is mounted in annular groove.
In embodiment, construction section is divided into secondary part 8 and live part 6 by described binding groove 9, and the axial length of described live part 6 is greater than the axial length of secondary part 8.
In embodiment, described jaw portion, rounded bottom 4, neck 5 and mounting head are installed are formed in one setting.
In embodiment, described wear-resistant sleeve 10 is made up of chromium carbide compounded material.
Working principle of the present utility model is: adopt joint fork and install neck 5 integrated structural design, avoids and weld or riveting Joining Technology between envoy's fork with installation neck, thus decreases logistics and technique assembly process and alleviate own wt; Time construction section and axle sleeve etc. are installed and be connected, live part is as main bearing position, and therefore live part 6 is main load positions of construction section, and its extended length contributes to the torsion transmission strengthening construction section, improves the connection safety reliability of structure; Be provided with wear-resistant sleeve 10 in described mounting hole 2, wear-resistant sleeve 10 is made up of chromium carbide compounded material, greatly strengthen the wear-resisting property of mounting hole; Be equipped with corresponding dust-proof port lid 13 with on the cylinder boss 11 of mounting hole 2 coaxial line, can effectively avoid dust to enter the running affecting cross axle and universal jaw 1 in mounting hole 2.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any reference character in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to mode of execution, but not each mode of execution only comprises an independently technological scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technological scheme in each embodiment also through appropriately combined, can form other mode of executions that it will be appreciated by those skilled in the art that.
Claims (5)
1. the integrative-structure joint fork improved, comprise jaw portion, neck and mounting head are installed, it is characterized in that, described jaw portion by two symmetrically arranged universal jaws be connected hub portion and form, on two symmetrical universal jaws, concentric is provided with mounting hole respectively, in described mounting hole, wear-resistant sleeve is installed, universal jaw exterior edge face is provided with the cylinder boss with mounting hole coaxial line, cylinder boss madial wall is provided with toroidal cavity, cylinder boss is equipped with corresponding dust-proof port lid, dust-proof port lid is provided with the cylindrical sleeve coordinated with mounting hole, cylindrical sleeve is provided with the elastic ring matched with toroidal cavity, the bottom of two universal jaws is fixed on and connects in hub portion, connect hub subordinate end and have the rounded bottom being connected with concentric, rounded bottom is installed and is provided with installation neck, neck lower end is installed and is fixedly installed mounting head, described installation neck and mounting head concentric are arranged and all in cylindric, neck external diameter is installed and is greater than mounting head external diameter, mounting head comprises construction section and flat sections, flat sections end face is connected with installation neck end face, described construction section is provided with spline, described construction section outer surface offers the binding groove for being embedded seal ring, the convex annular edge coaxially arranged with construction section is convexly equipped with bottom described binding groove, described convex annular is less than construction section external diameter along external diameter.
2. the integrative-structure joint fork of a kind of improvement according to claim 1, it is characterized in that, described cylindrical sleeve is provided with the annular groove of cross section semicircular in shape, described elastic ring is mounted in annular groove.
3. the integrative-structure joint fork of a kind of improvement according to claim 1, it is characterized in that, construction section is divided into secondary part and live part by described binding groove, and the axial length of described live part is greater than the axial length of secondary part.
4. the integrative-structure joint fork of a kind of improvement according to claim 1, it is characterized in that, described jaw portion, rounded bottom, installation neck and mounting head are formed in one setting.
5. the integrative-structure joint fork of a kind of improvement according to claim 1, it is characterized in that, described wear-resistant sleeve is made up of chromium carbide compounded material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520438917.XU CN204716789U (en) | 2015-06-23 | 2015-06-23 | A kind of integrative-structure joint fork of improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520438917.XU CN204716789U (en) | 2015-06-23 | 2015-06-23 | A kind of integrative-structure joint fork of improvement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204716789U true CN204716789U (en) | 2015-10-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520438917.XU Expired - Fee Related CN204716789U (en) | 2015-06-23 | 2015-06-23 | A kind of integrative-structure joint fork of improvement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204716789U (en) |
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2015
- 2015-06-23 CN CN201520438917.XU patent/CN204716789U/en not_active Expired - Fee Related
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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: 20151021 Termination date: 20160623 |
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| CF01 | Termination of patent right due to non-payment of annual fee |