CN212717684U - Telescopic universal joint with spring - Google Patents
Telescopic universal joint with spring Download PDFInfo
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- CN212717684U CN212717684U CN202020456693.6U CN202020456693U CN212717684U CN 212717684 U CN212717684 U CN 212717684U CN 202020456693 U CN202020456693 U CN 202020456693U CN 212717684 U CN212717684 U CN 212717684U
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- shaft
- universal joint
- telescopic
- spring
- pin
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Abstract
The utility model relates to a take spring retractable universal joint, the design principle is: on the basis of a traditional telescopic universal joint, a pin hole is drilled in the original spline end, and a pin is installed, so that the spline shaft and the shaft sleeve are prevented from falling off due to overlarge axial movement; the spring is arranged at the telescopic position, so that the axial movement generated at the spline position of the universal joint in the high-speed running process of the shaft and the shaft can be effectively buffered, and the loss of the universal joint is reduced; in a specific occasion, if the universal joint is too large and too heavy, the spring can play a role in auxiliary installation, and only one end shaft needs to be installed, and the spring plays a role in supporting, so that the other end shaft is convenient to install; the spring can also play a role in protection, and prevent the spline shaft and the shaft sleeve from suddenly sliding off and clamping workers.
Description
Technical Field
The utility model relates to a coupler, specifically take spring retractable universal joint.
Background
The telescopic universal joint can accept large angular deviation, radial deviation and axial deviation between shafts, so that the telescopic universal joint is widely applied to high-speed and low-speed engineering machinery and automobiles with angular deviation, radial deviation and axial deviation between two shafts. And present product single structure, it is comparatively difficult in the installation and debugging process, because of flexible for a long time in the use, universal joint axial float is frequent, does not have a buffer power, leads to flexible department wearing and tearing scheduling problem and reduces work efficiency, increase input cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that, overcome prior art's shortcoming, provide a take spring retractable universal joint.
In order to solve the technical problem, the utility model provides a take spring retractable universal joint installs between driving shaft and driven shaft, mainly comprises telescopic shaft and a pair of universal joint, and a pair of universal joint links firmly through the connecting axle respectively the both ends of telescopic shaft, telescopic shaft overcoat have the spring of retraining its axial motion, link firmly through the round pin axle between universal joint and the connecting axle and between connecting axle and the telescopic shaft.
The utility model discloses the technical scheme who further injects is:
furthermore, the pin shaft is a cylindrical pin or a rolled elastic pin.
Furthermore, the pair of universal joints consists of a common universal joint and a universal joint with steel balls.
Further, the common universal joint is connected with the first connecting shaft through a first cylindrical pin;
the other end of the first connecting shaft is connected with the first connecting shaft sleeve through a first rolled elastic pin;
the other end of the first connecting shaft sleeve is connected with a second connecting shaft through a second rolled elastic pin;
the other end of the second connecting shaft is connected with the external spline shaft through a third rolled elastic pin.
Further, the universal joint with the steel balls is connected with a third connecting shaft through a second cylindrical pin;
the other end of the third connecting shaft is connected with the inner spline shaft sleeve through a fifth rolled elastic pin;
the spring fixing sleeve is axially sleeved on the internal spline shaft sleeve, and an internal hexagonal flat end fastening screw is arranged between the spring fixing sleeve and the internal spline shaft sleeve.
Furthermore, when the external spline shaft is sleeved in the internal spline shaft sleeve, the spring is supported between the first connecting shaft sleeve and the spring fixing sleeve.
Furthermore, the external spline shaft and the internal spline shaft sleeve are fixedly connected through a fourth rolled elastic pin.
Furthermore, a first shaft steel wire retaining ring is arranged at the end part of the first cylindrical pin, and a second shaft steel wire retaining ring is arranged at the end part of the first coiled elastic pin.
Furthermore, a third shaft steel wire retainer ring is arranged at the end part of the second cylindrical pin.
The utility model has the advantages that: the utility model is based on the traditional telescopic universal joint, the original spline end is provided with a pin hole, and a pin is arranged, so that the spline shaft and the shaft sleeve are prevented from falling off due to overlarge axial movement; the spring is arranged at the telescopic position, so that the axial movement generated at the spline position of the universal joint in the high-speed running process of the shaft and the shaft can be effectively buffered, and the loss of the universal joint is reduced; in a specific occasion, if the universal joint is too large and too heavy, the spring can play a role in auxiliary installation, and only one end shaft needs to be installed, and the spring plays a role in supporting, so that the other end shaft is convenient to install; the spring can also play a role in protection, and prevent the spline shaft and the shaft sleeve from suddenly sliding off and clamping workers. The novel telescopic universal joint with the spring is made of a high-performance 42CrMo material; and the hardness is improved by quenching and tempering; QBQ, rust prevention; the service life is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1: ordinary universal joint, 2: first cylindrical pin, 3: first axle is with steel wire retaining ring, 4: first connecting shaft, 5: first rolled elastic pin, 6: second shaft steel wire retainer ring, 7: first connecting bushing, 8: second-rolled elastic pin, 9: second connecting shaft, 10: third-rolled elastic pin, 11: spring, 12: external spline shaft, 13: spring retainer sleeve, 14: hexagon socket flat end fastening screw, 15: fourth-rolled elastic pin, 16: internal spline shaft sleeve, 17: fifth-rolled elastic pin, 18: third connecting shaft, 19: third axle is with steel wire retaining ring, 20: second cylindrical pin, 21: a universal joint with steel balls.
Detailed Description
Example 1
The whole body structure of telescopic universal joint with spring that this embodiment provided carries out limited transformation on traditional telescopic universal joint basis and forms, and it is right to combine the figure below the utility model discloses a structure does detailed explanation.
We introduce the following according to the assembly procedure: the common universal joint 1 and the first connecting shaft 4 are connected with the first shaft steel wire retainer ring 3 through the first cylindrical pin 2. Then the first connecting shaft sleeve 7 is connected with a second shaft steel wire retainer ring 6 through a first rolling elastic pin 5. Then the second connecting shaft 9 is connected through a second rolling elastic pin 8. Finally, the left part of the outer spline shaft 12 is connected with the outer spline shaft through a third rolled elastic pin 10 to form a left part whole;
after the above steps are completed, the universal joint 21 with steel balls and the third connecting shaft 18 are connected through the steel wire retainer ring 19 for the third shaft and the second cylindrical pin 20. And then connected with an internally splined sleeve 16 through a fifth-rolled elastic pin 17. Then connected with the spring fixing sleeve 13 and provided with the hexagon socket flat-end fastening screw 15 without being screwed, and the right half part is integrally formed.
Finally, the spring 11 is sleeved into the right half whole, then the left part and the right part are connected, and the fourth rolled elastic pin 15 is knocked in through a hole in the internal spline shaft sleeve 16. And after the connection is finished, the inner hexagonal flat end fastening screw 14 is screwed.
When the universal joint is installed, a customer can directly install the driving and driven shaft into the shaft holes of the common universal joint 1 and the steel ball universal joint 21. The operation is convenient, the efficiency is improved, the installation of the device is not different from the prior installation for a client, but the service performance and the effect can be improved more.
In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.
Claims (9)
1. The utility model provides a take spring retractable universal joint installs between driving shaft and driven shaft, mainly comprises telescopic shaft and a pair of universal joint, and a pair of universal joint links firmly through the connecting axle respectively the both ends of telescopic shaft, its characterized in that: the telescopic shaft is sleeved with a spring for restricting the axial movement of the telescopic shaft, and the universal joint is fixedly connected with the connecting shaft and the connecting shaft is fixedly connected with the telescopic shaft through pin shafts.
2. The sprung telescopic gimbal of claim 1, wherein: the pin shaft is a cylindrical pin or a rolled elastic pin.
3. The sprung telescopic gimbal of claim 1, wherein: the pair of universal joints consists of a common universal joint and a universal joint with steel balls.
4. The sprung telescopic gimbal of claim 3, wherein: the common universal joint is connected with the first connecting shaft through a first cylindrical pin;
the other end of the first connecting shaft is connected with the first connecting shaft sleeve through a first rolled elastic pin;
the other end of the first connecting shaft sleeve is connected with a second connecting shaft through a second rolled elastic pin;
the other end of the second connecting shaft is connected with the external spline shaft through a third rolled elastic pin.
5. The sprung telescopic gimbal of claim 3, wherein: the strip steel ball universal joint is connected with the third connecting shaft through a second cylindrical pin;
the other end of the third connecting shaft is connected with the inner spline shaft sleeve through a fifth rolled elastic pin;
the spring fixing sleeve is axially sleeved on the internal spline shaft sleeve, and an internal hexagonal flat end fastening screw is arranged between the spring fixing sleeve and the internal spline shaft sleeve.
6. The sprung telescopic gimbal of claim 5, wherein: when the external spline shaft is sleeved in the internal spline shaft sleeve, the spring is supported between the first connecting shaft sleeve and the spring fixing sleeve.
7. The sprung telescopic gimbal of claim 6, wherein: and the outer spline shaft is fixedly connected with the inner spline shaft sleeve through a fourth rolled elastic pin.
8. The sprung telescopic gimbal of claim 4, wherein: the end part of the first cylindrical pin is provided with a first shaft steel wire retaining ring, and the end part of the first coiled elastic pin is provided with a second shaft steel wire retaining ring.
9. The sprung telescopic gimbal of claim 5, wherein: and a third shaft steel wire retainer ring is arranged at the end part of the second cylindrical pin.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020456693.6U CN212717684U (en) | 2020-04-01 | 2020-04-01 | Telescopic universal joint with spring |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020456693.6U CN212717684U (en) | 2020-04-01 | 2020-04-01 | Telescopic universal joint with spring |
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CN212717684U true CN212717684U (en) | 2021-03-16 |
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CN202020456693.6U Active CN212717684U (en) | 2020-04-01 | 2020-04-01 | Telescopic universal joint with spring |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113176498A (en) * | 2021-03-24 | 2021-07-27 | 柯马(上海)工程有限公司 | Dynamometer main shaft floating mechanism |
-
2020
- 2020-04-01 CN CN202020456693.6U patent/CN212717684U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113176498A (en) * | 2021-03-24 | 2021-07-27 | 柯马(上海)工程有限公司 | Dynamometer main shaft floating mechanism |
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