CN213981710U - Telescopic universal coupling - Google Patents
Telescopic universal coupling Download PDFInfo
- Publication number
- CN213981710U CN213981710U CN202023000633.2U CN202023000633U CN213981710U CN 213981710 U CN213981710 U CN 213981710U CN 202023000633 U CN202023000633 U CN 202023000633U CN 213981710 U CN213981710 U CN 213981710U
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- China
- Prior art keywords
- universal coupling
- telescopic
- martensitic steel
- universal
- face
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- 230000008878 coupling Effects 0.000 title claims abstract description 50
- 238000010168 coupling process Methods 0.000 title claims abstract description 50
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 50
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 61
- 229910000734 martensite Inorganic materials 0.000 claims abstract description 61
- 239000010959 steel Substances 0.000 claims abstract description 61
- 239000004576 sand Substances 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims abstract description 3
- 230000007246 mechanism Effects 0.000 claims description 10
- 230000002146 bilateral effect Effects 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009975 flexible effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model provides a retractable universal coupling, including martensite steel loop bar, high strength screw rod, spacing recess, martensite steel telescopic link, fastening nut and spacing sand grip, the inside right side interlude of martensite steel telescopic link has the high strength screw rod, and the side meshing of high strength screw rod annular side downside has fastening nut, and bilateral symmetry welding has spacing sand grip around the martensite steel telescopic link annular side, and the spacing recess has been seted up to the bilateral symmetry around the annular side in the martensite steel loop bar, and this design has solved the inconvenient regulation of stretching out and drawing back of original universal coupling and has used, the not good enough problem of practicality, the utility model discloses rational in infrastructure, possess scalable ability, simple structure, the practicality is strong.
Description
Technical Field
The utility model relates to a retractable universal joint belongs to universal joint technical field.
Background
The universal coupling utilizes the characteristics of the mechanism thereof to ensure that the two shafts are not on the same axis, and the continuous rotation of the two connected shafts can be realized under the condition of an included angle of the axes, and the torque and the motion can be reliably transmitted. The biggest characteristics of universal joint are: the structure has larger angular compensation capability, compact structure and high transmission efficiency. The two axial included angles of the universal couplings with different structural forms are different and are generally between 5 degrees and 45 degrees. However, the conventional universal coupling does not have a telescopic structure, so that the use range of the universal coupling is limited, the telescopic structure in the conventional universal coupling is complex in structure, the telescopic steps are complex, the practicability is improved, and the problem of the occurrence of the telescopic universal coupling is solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a retractable universal joint to solve the problem that proposes in the above-mentioned background art, the utility model discloses it is rational in infrastructure, possess scalable ability, simple structure, the practicality is strong.
In order to achieve the above purpose, the present invention is realized by the following technical solution: a telescopic universal coupling comprises a first universal coupling, a telescopic mechanism and a second universal coupling, wherein the left side of the first universal coupling is provided with the second universal coupling, the telescopic mechanism is arranged between the first universal coupling and the second universal coupling, the telescopic mechanism comprises a first connecting seat, a martensitic steel loop bar, a high-strength screw rod, a through hole, a limiting groove, a second connecting seat, a martensitic steel telescopic rod, a fastening nut and a limiting convex strip, the middle position of the left end face of the first universal coupling is welded with the first connecting seat, the middle position of the left end face of the first connecting seat is welded with the martensitic steel telescopic rod, the right side inside the martensitic steel telescopic rod is inserted with the high-strength screw rod, the lower side of the annular side face of the high-strength screw rod is engaged with the fastening nut, and the left side inside the martensitic steel telescopic rod is provided with the through hole, the telescopic shaft is characterized in that limiting convex strips are symmetrically welded on the front side and the rear side of the annular side face of the martensitic steel telescopic rod, a second connecting seat is welded at the middle position of the right end face of the second universal coupling, a martensitic steel sleeve rod is welded at the middle position of the right end face of the second connecting seat, and limiting grooves are symmetrically formed in the front side and the rear side of the inner annular side face of the martensitic steel sleeve rod.
Further, the welding of specification such as spacing sand grip has two sets ofly, two sets of have been seted up to specification such as spacing recess, spacing recess and spacing sand grip phase-match.
Furthermore, six groups of through holes are formed in an equal specification mode, jacks are formed in the right side of the interior of the martensite steel sleeve rod, two groups of jacks are formed in an equal specification mode, and the through holes and the jacks are matched with the high-strength screw rods.
Furthermore, a limiting row cavity is formed in the martensitic steel sleeve rod and matched with the martensitic steel telescopic rod.
Furthermore, the right end face of the first universal coupling and the left end face of the second universal coupling are welded with connecting flange plates.
The utility model has the advantages that: the utility model discloses a retractable universal joint, because of the utility model discloses added first connecting seat, martensite steel loop bar, high strength screw rod, through hole, spacing recess, second connecting seat, martensite steel telescopic link, fastening nut and spacing sand grip, this convenient to design is to universal joint regulation of stretching out and drawing back, has solved original universal joint inconvenient regulation of stretching out and drawing back and has used, and the problem of practicality not good enough has improved the utility model discloses a scalable effect.
Because two groups of limit raised strips are welded in the same specification, two groups of limit grooves are arranged in the same specification, the limit grooves are matched with the limit raised strips, the design not only facilitates the limit and the guide of the martensitic steel telescopic rod, but also can effectively avoid the rotation of the martensitic steel telescopic rod, because six groups of through holes are arranged in the same specification, the right side in the martensite steel loop bar is provided with two groups of jacks in the same specification, the through holes and the jacks are matched with the high-strength screw rods, the design is convenient for the high-strength screw to perform telescopic adjustment and positioning on the martensite steel telescopic rod, because the martensite steel sleeve rod is internally provided with the limit cavity, and spacing capable chamber and martensite steel telescopic link phase-match, spacing capable chamber makes things convenient for the martensite steel telescopic link to do flexible action in martensite steel loop bar inside, the utility model discloses it is rational in infrastructure, possess scalable ability, simple structure, the practicality is strong.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of a retractable universal coupling of the present invention;
fig. 2 is a front sectional view of a telescopic mechanism in the telescopic universal coupling of the present invention;
fig. 3 is a left side sectional view of the retractable mechanism of the retractable universal coupling of the present invention;
in the figure: 1-a first universal coupling, 2-a telescopic mechanism, 3-a second universal coupling, 21-a first connecting seat, 22-a martensitic steel loop bar, 23-a high-strength screw, 24-a through hole, 25-a limiting groove, 26-a second connecting seat, 27-a martensitic steel telescopic rod, 28-a fastening nut and 29-a limiting convex strip.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a retractable universal joint, includes first universal joint 1, telescopic machanism 2 and second universal joint 3, and first universal joint 1 left side is provided with second universal joint 3, is provided with telescopic machanism 2 between first universal joint 1 and the second universal joint 3.
The telescopic mechanism 2 comprises a first connecting seat 21, a martensitic steel loop bar 22, a high-strength screw 23, a through hole 24, a limiting groove 25, a second connecting seat 26, a martensitic steel telescopic rod 27, a fastening nut 28 and a limiting convex strip 29, the first connecting seat 21 is welded at the middle position of the left end surface of the first universal coupling 1, the martensitic steel telescopic rod 27 is welded at the middle position of the left end surface of the first connecting seat 21, the high-strength screw 23 is inserted into the right side inside the martensitic steel telescopic rod 27 in a penetrating manner, the fastening nut 28 is meshed with the lower side of the annular side surface of the high-strength screw 23, the through hole 24 is formed in the left side inside the martensitic steel telescopic rod 27, the limiting convex strips 29 are symmetrically welded at the front side and the rear side of the annular side surface of the martensitic steel telescopic rod 27, the second connecting seat 26 is welded at the middle position of the right end surface of the second universal coupling 3, and the martensitic steel loop bar 22 is welded at the middle position of the right end surface of the second connecting seat 26, limiting grooves 25 are symmetrically formed in the front side and the rear side of the annular side face of the martensite steel loop bar 22, and the design solves the problems that an original universal coupling is inconvenient to stretch and adjust and use and poor in practicability.
Two groups of limit raised strips 29 are welded in an equal specification mode, two groups of limit grooves 25 are arranged in an equal specification mode, the limit grooves 25 are matched with the limit raised strips 29, the design not only facilitates limit guiding of the martensitic steel telescopic rod 27, but also can effectively avoid rotation of the martensitic steel telescopic rod 27, six groups of through holes 24 are arranged in an equal specification mode, jacks are arranged on the right side inside the martensitic steel sleeve rod 22, two groups of jacks are arranged in the equal specification mode of the jacks, the through holes 24 and the jacks are matched with the high-strength screw 23, the design facilitates telescopic adjustment and positioning of the martensitic steel telescopic rod 27 by the high-strength screw 23, limit cavities are arranged inside the martensitic steel sleeve rod 22 and are matched with the martensitic steel telescopic rod 27, the martensitic steel telescopic rod 27 can conveniently do telescopic action inside the martensitic steel sleeve rod 22, and connecting flange plates are welded on the right end face of the first universal coupler 1 and the left end face of the second universal coupler 3, the design is convenient for the first universal coupling 1 and the second universal coupling 3 to be connected with an external driving motor and an external transmission shaft.
As an embodiment of the present invention: an installer firstly sleeves the martensite steel telescopic rod 27 inside the martensite steel sleeve rod 22, in the process, the limit convex strip 29 is required to be embedded into the limit groove 25, then the high-strength screw 23 can be inserted into the corresponding through hole 24, and then the fastening nut 28 is meshed and fixed on the lower side of the annular side surface of the high-strength screw 23 by means of an external wrench, so that the martensite steel sleeve rod 22 and the martensite steel telescopic rod 27 are connected and installed, and then the first universal coupling 1 and the second universal coupling 3 are connected with an external driving motor and an external transmission shaft through a connecting flange plate; when the distance between the first universal coupling 1 and the second universal coupling 3 needs to be adjusted, an installer firstly loosens the fastening nut 28 by means of an external wrench and separates the fastening nut from the high-strength screw 23, then pulls out the high-strength screw 23 from the through hole 24, and then can perform telescopic adjustment on the martensitic steel telescopic rod 27, so that the distance between the first universal coupling 1 and the second universal coupling 3 is adjusted, after the distance is adjusted to a required position, the high-strength screw 23 is inserted into the corresponding through hole 24, and the fastening nut 28 is meshed and fixed to the lower side of the annular side face of the high-strength threaded rod by means of the external wrench, so that the martensitic steel telescopic rod 27 can be positioned and fixed.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a retractable universal joint, includes first universal joint, telescopic machanism and second universal joint, its characterized in that: a second universal coupling is arranged on the left side of the first universal coupling, and a telescopic mechanism is arranged between the first universal coupling and the second universal coupling;
the telescopic mechanism comprises a first connecting seat, a martensitic steel sleeve rod, a high-strength screw, a through hole, a limiting groove, a second connecting seat, a martensitic steel telescopic rod, a fastening nut and a limiting convex strip, a first connecting seat is welded in the middle of the left end face of the first universal coupler, a martensitic steel telescopic rod is welded in the middle of the left end face of the first connecting seat, a high-strength screw rod is inserted into the right side inside the martensite steel telescopic rod, a fastening nut is engaged with the lower side of the annular side surface of the high-strength screw rod, a through hole is arranged on the left side inside the martensitic steel telescopic rod, limiting convex strips are symmetrically welded on the front side and the rear side of the annular side surface of the martensitic steel telescopic rod, the universal joint comprises a first universal coupling and a second universal coupling, and is characterized in that a second connecting seat is welded in the middle of the right end face of the second universal coupling, a martensitic steel sleeve rod is welded in the middle of the right end face of the second connecting seat, and limiting grooves are symmetrically formed in the front side and the rear side of the inner annular side face of the martensitic steel sleeve rod.
2. A telescopic universal coupling according to claim 1, characterized in that: the welding of spacing sand grip isotacticity has two sets ofly, two sets ofly have been seted up to spacing recess isotacticity, spacing recess and spacing sand grip phase-match.
3. A telescopic universal coupling according to claim 1, characterized in that: six groups of through holes are formed in an equal specification mode, jacks are formed in the right side of the interior of the martensite steel sleeve rod, two groups of jacks are formed in an equal specification mode, and the through holes and the jacks are matched with the high-strength screw rods.
4. A telescopic universal coupling according to claim 1, characterized in that: the inside of the martensitic steel loop bar is provided with a limiting row cavity which is matched with the martensitic steel telescopic bar.
5. A telescopic universal coupling according to claim 1, characterized in that: and the right end face of the first universal coupling and the left end face of the second universal coupling are both welded with connecting flange plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023000633.2U CN213981710U (en) | 2020-12-14 | 2020-12-14 | Telescopic universal coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023000633.2U CN213981710U (en) | 2020-12-14 | 2020-12-14 | Telescopic universal coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213981710U true CN213981710U (en) | 2021-08-17 |
Family
ID=77244614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023000633.2U Expired - Fee Related CN213981710U (en) | 2020-12-14 | 2020-12-14 | Telescopic universal coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213981710U (en) |
-
2020
- 2020-12-14 CN CN202023000633.2U patent/CN213981710U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210817 |