CN217055927U - Universal joint transmission shaft convenient to adjust - Google Patents
Universal joint transmission shaft convenient to adjust Download PDFInfo
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- CN217055927U CN217055927U CN202220935071.0U CN202220935071U CN217055927U CN 217055927 U CN217055927 U CN 217055927U CN 202220935071 U CN202220935071 U CN 202220935071U CN 217055927 U CN217055927 U CN 217055927U
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- shaft body
- shaft
- strip
- yoke
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Abstract
The utility model relates to a universal joint transmission shaft with convenient adjustment, which comprises a first shaft body, a second shaft body, a cross shaft and a joint fork; a first mounting hole is formed in the center of each yoke, and a second mounting hole is formed in each yoke; each cross shaft is rotationally connected with the second mounting holes of the two joint forks; one end of the first shaft body is connected with a first mounting hole of a yoke, the other end of the first shaft body is provided with a sliding groove which is in splicing fit with the second shaft body, and the side wall of the first shaft body is provided with more than two strip-shaped holes which are parallel to the sliding groove; one end of the second shaft body is inserted into the first shaft body, a threaded hole corresponding to the strip-shaped hole is formed in the side wall of the second shaft body, and the other end of the second shaft body is connected with a first mounting hole of one yoke; a flexible gasket is arranged between the screw and the first shaft body, and a groove matched with the surface of the first shaft body is formed in one surface, facing the first shaft body, of the flexible gasket. The adjustable adjusting device has the advantages of being convenient to adjust, simple in structure and low in manufacturing cost.
Description
Technical Field
The utility model relates to a universal joint transmission shaft, concretely relates to adjust convenient universal joint transmission shaft.
Background
The cross-pin universal joint transmission shaft is widely applied due to simple structure, small volume and large shaft deflection angle (5-35 degrees). However, the current universal joint transmission shaft is limited by the installation length usually, and the transmission shaft between two universal joints needs to be replaced frequently, so that the assembly and disassembly are troublesome, the installation efficiency is obviously reduced, and the current universal joint transmission shaft is complex in structure usually, high in assembly and disassembly difficulty and high in production cost.
Therefore, a universal joint transmission shaft which can reduce the structural complexity, the disassembly difficulty and the production cost and is convenient to adjust is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an adjust convenient universal joint transmission shaft to the above-mentioned problem that exists among the prior art.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: the universal joint transmission shaft convenient to adjust comprises a first shaft body, a second shaft body, a cross shaft and a joint fork;
a first mounting hole is formed in the center of each yoke, and a second mounting hole which is rotatably connected with the cross shaft is formed in each yoke;
each cross shaft is rotationally connected with the second mounting holes of the two section forks;
one end of the first shaft body is connected with a first mounting hole of one yoke, the other end of the first shaft body is provided with a sliding groove which is in plug-in fit with the second shaft body, the side wall of the first shaft body is provided with a plurality of strip-shaped holes which are parallel to the sliding groove;
one end of the second shaft body is inserted into the first shaft body, a threaded hole corresponding to the strip-shaped hole is formed in the side wall of the second shaft body, so that the second shaft body can penetrate through the strip-shaped hole through a screw and be locked into the threaded hole to fix the first shaft body and the second shaft body, and the other end of the second shaft body is connected with a first mounting hole of a yoke;
a flexible gasket is arranged between the screw and the first shaft body, and a groove matched with the surface of the first shaft body is formed in one surface, facing the first shaft body, of the flexible gasket.
The working principle and the beneficial effects are as follows: 1. compared with the prior art, the joint forks are all the same part, so that the joint forks and the cross shaft are assembled to form two universal joints, then the joint forks are respectively connected with the first shaft body and the second shaft body, finally the first shaft body and the second shaft body are in plug fit to finish the assembly operation of the whole universal joint transmission shaft, the two joint forks positioned at the two ends are connected with other shafts through the first mounting holes, so that the functions of inputting and outputting power are realized, when the distance between the two universal joints needs to be adjusted, the relative distance between the first shaft body and the second shaft body is adjusted through the unlocking screw, and the screw is locked after the distance is adjusted, so that the length adjustment can be easily realized, the whole structure is simple, the assembly is convenient, and the production cost can be obviously reduced;
2. the flexible gasket of this application can improve the area of contact with first axis body through the recess, and the material of cooperation flexibility itself can laminate with first axis body better moreover to showing and promoting frictional force, making first axis body and second axis body can be fixed inseparabler after the screw locking.
Furthermore, the first shaft body is provided with scales corresponding to the strip-shaped holes.
This setting can make things convenient for the distance between the first axis body and the second axis body to adjust through the scale.
Furthermore, a plurality of strip-shaped grooves are formed in the side wall of the first shaft body, and strip-shaped blocks which correspond to the strip-shaped grooves one to one are arranged on the side wall of the second shaft body.
This setting, through the cooperation of strip groove and strip piece, can easily realize the coaxial swivelling joint of first axis body and second axis body. Of course, the sliding groove may be polygonal, such as rectangular, hexagonal, etc.
Furthermore, the strip-shaped grooves are uniformly arranged at intervals along the circumferential direction of the first shaft body.
This arrangement can improve the fitting effect.
Further, the strip-shaped holes are uniformly arranged at intervals along the circumferential direction of the first shaft body. This setting can improve the fixed effect of locking.
Furthermore, a switching shaft sleeve is arranged in the first mounting hole of the joint fork far away from the first shaft body and the second shaft body, and switching teeth are arranged on the inner wall of the switching shaft sleeve. This setting has the switching axle sleeve of different models switching tooth through the change and can realize the connection to the disalignment, and the compatibility is better, need not carry out institutional advancement to the yoke moreover, can further reduction in production cost.
Further, the outer wall of the switching shaft sleeve is in interference fit with the first mounting hole. The assembly is convenient.
Furthermore, the first shaft body and the second shaft body are both provided with limiting end faces matched with the joint forks. This setting, through with first axis body and the butt of second axis body on spacing terminal surface, can accomplish the installation, can make things convenient for the installation cooperation between first axis body and the festival fork and the second axis body and the festival fork.
Furthermore, the first shaft body and the second shaft body are in interference fit with the first mounting hole of the yoke. The assembly is convenient.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a sectional view a-a of fig. 2.
In the figure, 1, a first shaft body; 2. a second shaft body; 3. a cross shaft; 4. a joint fork; 5. a copper sleeve; 6. a switching shaft sleeve; 7. a screw; 8. a flexible gasket; 9. a limiting end face; 11. a sliding groove; 12. a strip-shaped hole; 13. a strip-shaped groove; 21. a strip-shaped block; 22. a threaded hole; 41. a first mounting hole; 42. a second mounting hole; 61. the tooth is switched.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art all belong to the protection scope of the present invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered limiting.
As shown in fig. 1-3, the universal joint transmission shaft convenient to adjust comprises a first shaft body 1, a second shaft body 2, a cross shaft 3 and a joint fork 4;
specifically, a first mounting hole 41 is formed in the center of each yoke 4, and a second mounting hole 42 which is rotatably connected with the cross shaft 3 is formed in each yoke 4, in the embodiment, the structure of each yoke 4 is completely consistent, and four yokes are provided, and each two yokes 4 are matched with one cross shaft 3 to form a universal joint;
in the embodiment, each cross shaft 3 is rotatably connected with the second mounting holes 42 of the two yokes 4, and the four ends of each cross shaft 3 are provided with the copper bush 5 or other parts with similar performance, so that the service life of the universal joint can be effectively prolonged;
in this embodiment, in order to be able to realize the connection to different shafts through changing the adapter sleeve 6 that has different model adapter teeth 61, the compatibility is better, need not carry out institutional advancement to the yoke 4 moreover, can further reduce manufacturing cost, and the first mounting hole 41 of the yoke 4 of keeping away from first axle body 1 and second axle body 2 is equipped with adapter sleeve 6, and this adapter sleeve 6 inner wall is equipped with adapter teeth 61. The structure of the adaptor tooth 61 is not limited, and the main purpose is to enable the adaptor sleeve 6 to be coaxially and rotatably connected to an internally mounted shaft.
In this embodiment, the outer wall of the adaptor sleeve 6 is in interference fit with the first mounting hole 41, and the mounting manner is similar to that of a bearing, but may be other manners such as key slot fit or screw fixation.
Specifically, 1 one end of first axis body is connected with the first mounting hole 41 of a yoke 4, the other end is equipped with the complex sliding tray 11 of pegging graft with the second axis body 2, and this 1 lateral wall of first axis body is equipped with the bar hole 12 parallel with this sliding tray 11, this bar hole 12 quantity is a plurality of, bar hole 12 sets up along 1 circumferencial direction of first axis body evenly at an interval, in this embodiment, be equipped with a plurality of bar grooves 13 on the 1 lateral wall of first axis body, be equipped with the strip piece 21 with this bar groove 13 one-to-one on the 2 lateral walls of second axis body, and bar groove 13 sets up along 1 circumferencial direction of first axis body evenly at an interval, bar hole 12 sets up on bar groove 13 or between two bar grooves 13, through bar groove 13 and the cooperation of strip piece 21, can easily realize the coaxial swivelling joint of first axis body 1 and second axis body 2. Of course, the sliding groove 11 may be polygonal, such as rectangular, hexagonal, etc.
Preferably, for convenience of operation, the first shaft body 1 is provided with a scale corresponding to the strip-shaped hole 12, which is not shown in the drawing.
Specifically, 2 one ends of the second shaft body are inserted into the first shaft body 1, and the side wall of the second shaft body 2 is provided with a threaded hole 22 corresponding to the strip-shaped hole 12, so that the threaded hole 22 can be locked in through the strip-shaped hole 12 by a screw 7, the fixation of the first shaft body 1 and the second shaft body 2 is realized, the other end of the second shaft body 2 is connected with a first mounting hole 41 of a yoke 4, the first shaft body 1 and the second shaft body 2 are in interference fit with the first mounting hole 41 of the yoke 4 or in keyway fit, and the aim is to realize coaxial rotation connection.
Preferably, all be equipped with on the first axis body 1 and the second axis body 2 with the spacing terminal surface 9 of festival fork 4 complex, through with the first axis body 1 and the second axis body 2 butt on spacing terminal surface 9, can accomplish the installation, can make things convenient for the installation cooperation between the first axis body 1 and the festival fork 4 and the second axis body 2 and the festival fork 4.
Specifically, a flexible gasket 8 is disposed between the screw 7 and the first shaft 1, and a groove matched with the surface of the first shaft 1 is disposed on one surface of the flexible gasket 8 facing the first shaft 1. This flexible gasket 8, which may be made of silicone or rubber, may rotate according to the actual situation, with the aim of increasing the friction. Improve the area of contact with the first axis body 1 through the recess, cooperate the flexible material of itself moreover, can laminate with the first axis body 1 better to show and promote frictional force, make the first axis body 1 and the second axis body 2 can be fixed inseparabler after the locking of screw 7.
The part of the utility model which is not described in detail is the prior art, so the utility model does not detail the part.
It is understood that the terms "a" and "an" should be interpreted as meaning "at least one" or "one or more," i.e., that a quantity of one element may be one in one embodiment, while a quantity of another element may be plural in other embodiments, and the terms "a" and "an" should not be interpreted as limiting the quantity.
Although the terms of the first shaft body 1, the second shaft body 2, the cross shaft 3, the yoke 4, the copper bush 5, the adapter bushing 6, the screw 7, the flexible gasket 8, the limit end face 9, the sliding groove 11, the strip-shaped hole 12, the strip-shaped groove 13, the strip-shaped block 21, the threaded hole 22, the first mounting hole 41, the second mounting hole 42, the adapter tooth 61, and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
The present invention is not limited to the above-mentioned best mode, and any person can obtain other products in various forms under the teaching of the present invention, but any change in shape or structure is made, and all the technical solutions that are the same as or similar to the present application fall within the protection scope of the present invention.
Claims (9)
1. The universal joint transmission shaft convenient to adjust is characterized by comprising a first shaft body, a second shaft body, a cross shaft and a joint fork;
a first mounting hole is formed in the center of each yoke, and a second mounting hole which is rotatably connected with the universal joint pin is formed in each yoke;
each cross shaft is rotationally connected with the second mounting holes of the two yokes;
one end of the first shaft body is connected with a first mounting hole of one yoke, the other end of the first shaft body is provided with a sliding groove which is in plug-in fit with the second shaft body, the side wall of the first shaft body is provided with a plurality of strip-shaped holes which are parallel to the sliding groove;
one end of the second shaft body is inserted into the first shaft body, a threaded hole corresponding to the strip-shaped hole is formed in the side wall of the second shaft body, so that the second shaft body can penetrate through the strip-shaped hole and be locked into the threaded hole through a screw to realize the fixation of the first shaft body and the second shaft body, and the other end of the second shaft body is connected with a first mounting hole of one yoke;
a flexible gasket is arranged between the screw and the first shaft body, and a groove matched with the surface of the first shaft body is formed in one surface, facing the first shaft body, of the flexible gasket.
2. The conveniently adjustable universal joint transmission shaft according to claim 1, wherein the first shaft body is provided with a scale corresponding to the strip-shaped hole.
3. The universal joint transmission shaft convenient to adjust according to claim 1, wherein a plurality of strip-shaped grooves are formed in the side wall of the first shaft body, and strip-shaped blocks corresponding to the strip-shaped grooves in a one-to-one mode are arranged on the side wall of the second shaft body.
4. The conveniently adjustable cardan drive shaft according to claim 3, wherein said strip-like grooves are uniformly spaced along the circumferential direction of said first shaft body.
5. The conveniently adjustable universal joint drive shaft according to claim 4, wherein the strip-shaped holes are evenly spaced along the circumferential direction of the first shaft body.
6. The conveniently adjustable cardan drive shaft according to claim 1, wherein said first mounting hole of said yoke remote from said first shaft body and said second shaft body is provided with an adapter sleeve, the inner wall of which is provided with adapter teeth.
7. The conveniently adjustable cardan drive shaft according to claim 6, wherein said adaptor sleeve outer wall is in interference fit with said first mounting hole.
8. The conveniently adjustable universal joint drive shaft according to claim 1, wherein the first shaft body and the second shaft body are provided with limiting end surfaces which are matched with the joint yoke.
9. The conveniently adjustable cardan drive shaft according to claim 1, wherein said first shaft body and said second shaft body are each in interference fit with said first mounting hole of said yoke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220935071.0U CN217055927U (en) | 2022-04-21 | 2022-04-21 | Universal joint transmission shaft convenient to adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220935071.0U CN217055927U (en) | 2022-04-21 | 2022-04-21 | Universal joint transmission shaft convenient to adjust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217055927U true CN217055927U (en) | 2022-07-26 |
Family
ID=82473396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220935071.0U Active CN217055927U (en) | 2022-04-21 | 2022-04-21 | Universal joint transmission shaft convenient to adjust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217055927U (en) |
-
2022
- 2022-04-21 CN CN202220935071.0U patent/CN217055927U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |