CN220320086U - Spherical joint mechanism with anti-loose structure - Google Patents
Spherical joint mechanism with anti-loose structure Download PDFInfo
- Publication number
- CN220320086U CN220320086U CN202321542977.7U CN202321542977U CN220320086U CN 220320086 U CN220320086 U CN 220320086U CN 202321542977 U CN202321542977 U CN 202321542977U CN 220320086 U CN220320086 U CN 220320086U
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- CN
- China
- Prior art keywords
- connecting cover
- piston rod
- joint
- ball head
- rod connecting
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- 239000007788 liquid Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Abstract
The utility model relates to the technical field of circulating liquid seal compressors, in particular to a spherical joint mechanism with a locking structure. The device comprises a piston rod connecting cover, a ball head connecting cover, a first ball head, a joint, a second ball head and a cross head connecting cover, wherein the piston rod connecting cover is in threaded connection with one end of the joint, the first ball head is in threaded connection with one end of the joint, a threaded hole is formed in the side wall of the first ball head, a limit screw is in threaded connection with the threaded hole, a limit groove is formed in the joint at the position corresponding to the limit screw, the inner end of the limit screw extends into the limit groove, the loosening of threads between the first ball head and the joint is prevented, and the potential safety hazard that looseness and even falling-off occur between the first ball head and the joint is eliminated; the positioning boss and the positioning groove can radially position the piston rod connecting cover and the ball connecting cover, so that the situation of radial dislocation is avoided; the locking nut locks the piston rod connecting cover and the piston rod, so that the potential safety hazard that looseness and even falling off occur between the piston rod connecting cover and the piston rod is eliminated.
Description
Technical field:
the utility model relates to the technical field of circulating liquid seal compressors, in particular to a spherical joint mechanism with a locking structure.
The background technology is as follows:
the circulating liquid seal compressor mainly drives a piston in a cylinder body of a cylinder to reciprocate through a driving mechanism to realize the pressurization of gas, the driving mechanism comprises a crankshaft connecting rod, hydraulic driving or motor driving and the like, and a compression medium contains various flammable and explosive dangerous gases and toxic gases. In the crankshaft connecting rod structure, the application number 2023213680845 of the company filed earlier discloses a spherical joint mechanism for reducing the unbalanced load of a piston of a reciprocating compressor, and a cross head is connected with a piston rod through the spherical joint mechanism so as to balance and buffer the lateral force. However, in specific use, there are also the following problems:
the first ball head is in threaded connection with the joint, a locking structure is not arranged, relative rotation is easy to occur during long-time working, and potential safety hazards of loosening and even falling exist;
secondly, the piston rod connecting cover is in plane contact with the ball head connecting cover, a positioning structure is not arranged, and radial dislocation is easy to occur;
thirdly, threaded connection between piston rod connecting cover and the piston rod does not set up locking structure, and relative rotation takes place easily for long-time during operation, has not hard up even the potential safety hazard that drops.
In view of the above, the above-mentioned problems of the spherical joint mechanism in the circulating liquid seal compressor have become a technical problem to be solved in industry.
The utility model comprises the following steps:
the utility model provides a spherical joint mechanism with a locking structure, which solves the problem that the locking structure is not arranged among all parts of the traditional spherical joint mechanism, so that relative rotation is easy to cause looseness and even falling.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides a spherical joint mechanism with locking structure, includes piston rod connecting cover, bulb connecting cover, first bulb, joint, second bulb and cross head connecting cover, and piston rod connecting cover and piston rod threaded connection, first bulb and joint one end threaded connection, be equipped with the screw hole in the first bulb lateral wall, threaded hole threaded connection has stop screw, the position that corresponds stop screw on the joint is equipped with the spacing groove, and stop screw's inner stretches to the spacing inslot and cooperates with the spacing groove and be used for preventing that the screw thread is not hard up between first bulb and the joint.
And one side of the first ball head corresponding to the threaded hole and one side opposite to the threaded hole are respectively provided with a ball head plane.
The joint plane is arranged on two opposite sides of the joint.
The end face of the piston rod connecting cover is provided with a positioning boss, the end face of the ball head connecting cover is provided with a positioning groove, and the positioning boss is matched with the positioning groove and used for radially positioning the piston rod connecting cover and the ball head connecting cover.
And a locking nut is connected with the position, close to the piston rod connecting cover, of the piston rod in a threaded manner.
The utility model adopts the scheme and has the following advantages:
through arranging the limit screw in the side wall of the first ball head, arranging the limit groove at the position corresponding to the limit screw on the joint, and extending the inner end of the limit screw into the limit groove to be matched with the limit groove, the screw thread between the first ball head and the joint can be prevented from loosening, and the potential safety hazard that looseness and even falling-off occur between the first ball head and the joint is eliminated;
the piston rod connecting cover and the ball head connecting cover can be radially positioned by arranging the matched positioning boss and the positioning groove between the piston rod connecting cover and the ball head connecting cover, so that the radial dislocation is avoided;
by arranging the lock nut at the position, close to the piston rod connecting cover, on the piston rod, the piston rod connecting cover and the piston rod can be locked, and the potential safety hazard that looseness and even falling-off occur between the piston rod connecting cover and the piston rod is eliminated.
Description of the drawings:
fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic cross-sectional view of the present utility model.
Fig. 3 is a schematic view of the mounting structure of the present utility model.
In the figure, 1, a cylinder body, 2, a piston, 3, a piston rod, 4, a piston rod connecting cover, 5, a ball head connecting cover, 6, a first ball head, 7, a joint, 8, a second ball head, 9, a cross head connecting cover, 10, a limit screw, 11, a limit groove, 12, a ball head plane, 13, a joint plane, 14, a positioning boss, 15, a positioning groove, 16 and a locking nut.
The specific embodiment is as follows:
in order to clearly illustrate the technical features of the present solution, the present utility model will be described in detail below with reference to the following detailed description and the accompanying drawings.
As shown in fig. 1-3, a spherical joint mechanism with anti-loosening structure comprises a piston rod connecting cover 4, a ball head connecting cover 5, a first ball head 6, a joint 7, a second ball head 8 and a cross head connecting cover 9, wherein the piston rod connecting cover 4 is in threaded connection with a piston rod 3, the piston rod 3 is connected with a piston 2 in a cylinder body 1, the first ball head 6 is in threaded connection with one end of the joint 7, a threaded hole is formed in the side wall of the first ball head 6, a limit screw 10 is in threaded connection with the threaded hole, a limit groove 11 is formed in the position, corresponding to the limit screw 10, on the joint 7, the inner end of the limit screw 10 extends into the limit groove 11 and is matched with the limit groove 11 to prevent loosening of threads between the first ball head 6 and the joint 7, and potential safety hazards of loosening and even falling of the first ball head 6 and the joint 7 are eliminated.
The limit screw 10 comprises a locking screw, a pin, an axial screw and the like.
One side of the first ball head 6 corresponding to the threaded hole and one side opposite to the threaded hole are respectively provided with a ball head plane 12, so that the processing of the threaded hole is facilitated, and the clamping of a tool is facilitated during screwing.
The joint planes 13 are arranged on two opposite sides of the joint 7, so that the tool can be conveniently clamped and installed during screwing.
The end face of the piston rod connecting cover 4 is provided with a positioning boss 14, the end face of the ball head connecting cover 5 is provided with a positioning groove 15, and the positioning boss 14 is matched with the positioning groove 15 to radially position the piston rod connecting cover 4 and the ball head connecting cover 5, so that the situation of radial dislocation is avoided.
The locking nut 16 is in threaded connection with the position of the piston rod 3, which is close to the piston rod connecting cover 4, so that the piston rod connecting cover 4 and the piston rod 3 can be locked, and the potential safety hazard that looseness and even falling off occur between the piston rod connecting cover 4 and the piston rod 3 is eliminated.
Working principle:
after the first ball head 6 is in threaded connection with one end of the joint 7, the position of a limit groove 11 on the joint 7 is aligned with the position of a threaded hole in the side wall of the first ball head 6, then the limit screw 10 is placed in the threaded hole, the limit screw 10 is screwed by a tool, the inner end of the limit screw 10 extends into the limit groove 11, and the effect of preventing thread looseness between the first ball head 6 and the joint 7 is achieved. When the piston rod connecting cover 4 and the ball head connecting cover 5 are installed, the piston rod connecting cover is positioned through the positioning boss 14 and the positioning groove 15, and the function of preventing radial dislocation is achieved. After the piston rod connecting cover 4 is in threaded connection with the piston rod 3, the locking nut 16 is screwed down by a tool, so that the piston rod connecting cover 4 and the piston rod 3 are prevented from loosening.
The above embodiments are not to be taken as limiting the scope of the utility model, and any alternatives or modifications to the embodiments of the utility model will be apparent to those skilled in the art and fall within the scope of the utility model.
The present utility model is not described in detail in the present application, and is well known to those skilled in the art.
Claims (5)
1. The utility model provides a spherical joint mechanism with locking structure, includes piston rod connecting cover, bulb connecting cover, first bulb, joint, second bulb and cross head connecting cover, and piston rod connecting cover and piston rod threaded connection, first bulb and joint one end threaded connection, its characterized in that: the side wall of the first ball head is internally provided with a threaded hole, the threaded hole is internally connected with a limit screw in a threaded manner, the joint is provided with a limit groove corresponding to the limit screw, and the inner end of the limit screw extends into the limit groove to be matched with the limit groove so as to prevent the threads between the first ball head and the joint from loosening.
2. A ball and socket joint assembly with anti-loosening structure as defined in claim 1, wherein: and one side of the first ball head corresponding to the threaded hole and one side opposite to the threaded hole are respectively provided with a ball head plane.
3. A ball and socket joint assembly with anti-loosening structure as defined in claim 1, wherein: the joint plane is arranged on two opposite sides of the joint.
4. A ball and socket joint assembly with anti-loosening structure as defined in claim 1, wherein: the end face of the piston rod connecting cover is provided with a positioning boss, the end face of the ball head connecting cover is provided with a positioning groove, and the positioning boss is matched with the positioning groove and used for radially positioning the piston rod connecting cover and the ball head connecting cover.
5. A ball and socket joint assembly with anti-loosening structure as defined in claim 1, wherein: and a locking nut is connected with the position, close to the piston rod connecting cover, of the piston rod in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321542977.7U CN220320086U (en) | 2023-06-16 | 2023-06-16 | Spherical joint mechanism with anti-loose structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321542977.7U CN220320086U (en) | 2023-06-16 | 2023-06-16 | Spherical joint mechanism with anti-loose structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220320086U true CN220320086U (en) | 2024-01-09 |
Family
ID=89418718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321542977.7U Active CN220320086U (en) | 2023-06-16 | 2023-06-16 | Spherical joint mechanism with anti-loose structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220320086U (en) |
-
2023
- 2023-06-16 CN CN202321542977.7U patent/CN220320086U/en active Active
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