CN212928568U - Constant velocity joint - Google Patents
Constant velocity joint Download PDFInfo
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- CN212928568U CN212928568U CN202021203706.5U CN202021203706U CN212928568U CN 212928568 U CN212928568 U CN 212928568U CN 202021203706 U CN202021203706 U CN 202021203706U CN 212928568 U CN212928568 U CN 212928568U
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- connecting rod
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Abstract
The utility model provides a constant velocity universal joint belongs to mechanical technical field. It has solved prior art and has had the poor problem of stability. The constant velocity universal joint comprises a connecting rod and an outer shell, wherein the end part of the outer shell is provided with a concave connecting hole, the inner end of the connecting rod is embedded in the connecting hole, the outer end of the connecting rod is used for being connected with a gearbox, the constant velocity universal joint also comprises a positioning pin, the positioning pin is arranged on the connecting rod and the outer shell in a penetrating way, and a positioning structure capable of stably positioning the positioning pin and the outer shell is arranged between the positioning pin and the outer shell. The constant velocity universal joint has high stability.
Description
Technical Field
The utility model belongs to the technical field of machinery, a constant velocity universal joint is related to.
Background
The constant velocity universal joint is used for connecting a gearbox, the existing inner ball cage comprises a connecting rod and a bell-shaped shell with a cavity inside, and the connecting rod and the bell-shaped shell are of an integrated structure. Different use occasions are different to the length demand of connecting rod, can see that current constant velocity universal joint's suitability is relatively poor, can only install and set for the operating mode occasion.
Disclosure of Invention
The utility model aims at the above-mentioned problem that prior art exists, provide a high and compact structure's of suitability constant velocity universal joint.
The purpose of the utility model can be realized by the following technical proposal:
the constant velocity universal joint comprises a connecting rod and an outer bell shell, and is characterized in that the end part of the outer bell shell is provided with a concave connecting hole, the inner end of the connecting rod is embedded in the connecting hole, the outer end of the connecting rod is used for being connected with a gearbox, the constant velocity universal joint also comprises a positioning pin, the positioning pin is arranged on the connecting rod and the outer bell shell in a penetrating way, and a positioning structure capable of stably positioning the positioning pin and the outer bell shell is arranged between the positioning pin and the outer bell shell.
The constant velocity universal joint creatively sets the connecting rod and the outer shell into a split structure, and can ensure that the connecting rod and the outer shell are stably connected under the action of the positioning pin.
The positioning pin can keep a stable connection state under the action of the positioning structure.
In the constant velocity universal joint, the end of the outer shell has a protruding connecting section, the connecting hole is located at the connecting section, and the locating pin is arranged on the connecting section and the connecting rod in a penetrating mode.
The arrangement of the connecting sections provides enough installation space for connecting the connecting rods.
In the constant velocity universal joint, the side part of the connecting section is provided with a first through hole, the inner end of the connecting rod is provided with a second through hole, the positioning pin is arranged at the first through hole and the second through hole in a penetrating manner, and the positioning structure is positioned at the second through hole.
The positioning pin can be stably arranged on the connecting section and the connecting rod in a penetrating way under the action of the positioning structure.
In the constant velocity universal joint, the positioning structure comprises a positioning hole penetrating through two sides of the positioning pin, a spring and a ball are arranged in the positioning hole, concave positioning notches are arranged on two side walls of the through hole, and the ball tends to be embedded in the positioning notches under the elastic force of the spring.
The ball is embedded in the positioning notch all the time under the elastic action of the spring, and the positioning pin can be stably connected with the connecting section and the connecting rod in the state.
In the constant velocity universal joint, the number of the positioning notches is two, the two positioning notches are symmetrically distributed at two sides of the through hole, the number of the balls is two, the spring is positioned between the two balls, and the balls have the tendency of being embedded in the corresponding positioning notches under the elastic force action of the spring.
Such a structure can improve the connection stability thereof.
In the constant velocity universal joint, a concave locking hole is formed at the upper side of the connecting hole, and the upper end of the positioning pin is embedded in the locking hole.
The structure can further improve the connection stability between the connecting rod and the connecting section.
In the constant velocity joint described above, the dowel pin has a recessed removal opening at an end thereof.
The mouth department of dismantlement mouth has protruding fender edge, and extracting tool inlays and can conveniently tear out the locating pin in the dismantlement mouth after.
Compared with the prior art, the constant velocity universal joint has the advantages that the connecting rod is stably connected with the outer shell, so that the connecting rod with the corresponding length can be replaced according to different use occasion requirements, and the constant velocity universal joint is high in applicability.
Meanwhile, the connecting rod and the bell-shaped shell can be stably connected under the action of the positioning pin, and the stable connection state of the connecting rod and the bell-shaped shell can be kept under the action of the positioning structure, so that the connecting rod has higher stability and higher practical value.
Drawings
Fig. 1 is a schematic structural view of the present constant velocity joint.
FIG. 2 is a schematic sectional view A-A of FIG. 1.
In the figure, 1, connecting rod; 1a, a second through hole; 1a1, locating notch; 2. a bell housing; 2a, a connecting section; 2a1, connecting hole; 2a2, via one; 2a3, locking hole; 3. positioning pins; 3a, positioning holes; 3b, a disassembly port; 4. a spring; 5. a round ball.
Detailed Description
As shown in fig. 1 and 2, the constant velocity universal joint includes a connecting rod 1 and an outer housing 2, the end of the outer housing 2 has a concave connecting hole 2a1, the inner end of the connecting rod 1 is embedded in the connecting hole 2a1, the outer end of the connecting rod 1 is used for connecting with a transmission, the constant velocity universal joint further includes a positioning pin 3, the positioning pin 3 is arranged on the connecting rod 1 and the outer housing 2 in a penetrating manner, and a positioning structure is arranged between the positioning pin 3 and the outer housing 2 for stably positioning the two.
The outer shell 2 has a protruding connection section 2a at the end, the connection hole 2a1 is located at the connection section 2a, and the positioning pin 3 is inserted through the connection section 2a and the connecting rod 1.
The side of the connecting section 2a is provided with a first through hole 2a2, the inner end of the connecting rod 1 is provided with a second through hole 1a, the positioning pin 3 is arranged at the first through hole 2a2 and the second through hole 1a, and the positioning structure is arranged at the second through hole 1 a.
The positioning structure comprises a positioning hole 3a penetrating through two sides of the positioning pin 3, a spring 4 and a ball 5 are arranged in the positioning hole 3a, a concave positioning notch 1a1 is arranged at the side wall of the through hole II 1a, and the ball 5 tends to be embedded in the positioning notch 1a1 under the elastic force of the spring 4.
The number of the positioning notches 1a1 is two, the two positioning notches 1a1 are symmetrically distributed at two sides of the through hole two 1a, the number of the balls 5 is two, the spring 4 is located between the two balls 5, and the balls 5 have the tendency of being embedded in the corresponding positioning notches 1a1 under the elastic force action of the spring 4.
The connecting hole 2a1 has a concave locking hole 2a3 at the upper side, and the upper end of the positioning pin 3 is embedded in the locking hole 2a 3.
The dowel pin 3 has a recessed removal port 3b at the end.
The constant velocity universal joint creatively sets the connecting rod and the outer shell into a split structure, and can ensure that the connecting rod and the outer shell are stably connected under the action of the positioning pin.
The positioning pin can keep a stable connection state under the action of the positioning structure.
Claims (7)
1. The constant velocity universal joint comprises a connecting rod and an outer bell shell, and is characterized in that the end part of the outer bell shell is provided with a concave connecting hole, the inner end of the connecting rod is embedded in the connecting hole, the outer end of the connecting rod is used for being connected with a gearbox, the constant velocity universal joint also comprises a positioning pin, the positioning pin is arranged on the connecting rod and the outer bell shell in a penetrating way, and a positioning structure capable of stably positioning the positioning pin and the outer bell shell is arranged between the positioning pin and the outer bell shell.
2. The constant velocity joint according to claim 1, wherein the outer race has a protruding connecting section at an end thereof, the connecting hole is located at the connecting section, and the dowel pin is inserted through the connecting section and the connecting rod.
3. The constant velocity joint according to claim 2, wherein the connecting section side portion has a first through hole therethrough, the connecting rod inner end has a second through hole therethrough, the positioning pin is inserted through the first through hole and the second through hole, and the positioning structure is located at the second through hole.
4. The constant velocity joint according to claim 3, wherein the positioning structure comprises positioning holes penetrating through both sides of the positioning pin, the positioning holes are provided with springs and balls, the through holes are provided with concave positioning notches at both side walls, and the balls have a tendency to be embedded in the positioning notches under the elastic force of the springs.
5. The constant velocity joint according to claim 4, wherein the number of the positioning recesses is two, and the two positioning recesses are symmetrically distributed at both sides of the through hole, the number of the balls is two, the spring is located between the two balls, and the balls have a tendency to be embedded in the corresponding positioning recesses under the elastic force of the spring.
6. The constant velocity joint according to claim 5, wherein a concave locking hole is provided at an upper side of the connection hole, and an upper end of the dowel pin is fitted into the locking hole.
7. The constant velocity joint according to claim 6, wherein the dowel pin has a recessed removal opening at the end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021203706.5U CN212928568U (en) | 2020-06-24 | 2020-06-24 | Constant velocity joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021203706.5U CN212928568U (en) | 2020-06-24 | 2020-06-24 | Constant velocity joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212928568U true CN212928568U (en) | 2021-04-09 |
Family
ID=75326617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021203706.5U Active CN212928568U (en) | 2020-06-24 | 2020-06-24 | Constant velocity joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212928568U (en) |
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2020
- 2020-06-24 CN CN202021203706.5U patent/CN212928568U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |