CN220435149U - Screw-in type hydraulic cylinder - Google Patents
Screw-in type hydraulic cylinder Download PDFInfo
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- CN220435149U CN220435149U CN202321407370.8U CN202321407370U CN220435149U CN 220435149 U CN220435149 U CN 220435149U CN 202321407370 U CN202321407370 U CN 202321407370U CN 220435149 U CN220435149 U CN 220435149U
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- 238000007789 sealing Methods 0.000 claims abstract description 29
- 230000000712 assembly Effects 0.000 claims abstract 4
- 238000000429 assembly Methods 0.000 claims abstract 4
- 238000000926 separation method Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
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Abstract
The utility model provides a screw-in type hydraulic cylinder, which relates to the field of hydraulic cylinders and comprises a main body device and a limiting device, wherein the main body device comprises a cylinder body, the limiting device is arranged at the upper end of the cylinder body, the limiting device comprises a frame body, a clamping assembly and a movable assembly, the clamping assembly and the movable assembly are respectively provided with two groups, the two groups of clamping assemblies are respectively arranged at two sides of the bottom end of the frame body, the two groups of movable assemblies are respectively arranged at two sides of the cylinder body, a sliding block is driven to move into a movable groove formed in a movable column by the movable assembly, when the sliding block moves into the movable groove, the movable column can be pulled out from the cylinder body, separation between the frame body and the cylinder body can be realized, and a sealing ring is arranged at the bottom end of the frame body and can be driven to move to the outer side of the cylinder body.
Description
Technical Field
The utility model relates to the field of hydraulic cylinders, in particular to a screw-in type hydraulic cylinder.
Background
The hydraulic cylinder is a hydraulic executive component which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion), the structure is simple, the work is reliable, a speed reducing device can be omitted when the hydraulic cylinder is used for realizing reciprocating motion, and the hydraulic cylinder does not have transmission gaps and moves stably, so the hydraulic cylinder is widely applied to hydraulic systems of various machines, and the output force of the hydraulic cylinder is in direct proportion to the effective area of a piston and the pressure difference on two sides of the piston; the hydraulic cylinder basically comprises a cylinder barrel, a cylinder cover, a piston rod, a sealing device, a buffer device and an exhaust device, wherein the buffer device and the exhaust device are determined according to specific application occasions, other devices are indispensable, the hydraulic cylinder comprises a swing type hydraulic cylinder, the swing type hydraulic cylinder comprises a screw type hydraulic cylinder, the screw type hydraulic cylinder is an executing element which outputs torque and realizes reciprocating motion, the screw type hydraulic cylinder comprises a single blade, a double blade, spiral swing and other forms, the spiral swing type hydraulic cylinder is divided into a single spiral swing type hydraulic cylinder and a double spiral type hydraulic cylinder, at present, the double spiral type hydraulic cylinder is more commonly used, and the linear motion of the piston in the hydraulic cylinder is converted into the composite motion of the linear motion and the autorotation motion by two spiral pairs, so that the swing motion is realized.
In the hydraulic cylinder of current screw-in, the sealing washer wherein is general directly to be pressed in the one end of cylinder body more, and because the sealing washer is mostly rubber material for after pressing into the cylinder body, after the hydraulic cylinder is used for a long time, need change the sealing washer, then need pull out after the sealing washer perk with the help of work, perhaps directly pull out after destroying the sealing washer, but this mode wastes time and energy, and the circumstances of fracture can appear in the sealing washer of rubber material when pulling out, makes holistic change more loaded down with trivial details.
Therefore, it is necessary to provide a new screw-in hydraulic cylinder to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a screw-in type hydraulic cylinder.
The utility model provides a screw-in type hydraulic cylinder, which comprises a main body device and a limiting device, wherein the main body device comprises a cylinder body, the limiting device is arranged at the upper end of the cylinder body, the limiting device comprises a frame body, clamping components and movable components, the clamping components and the movable components are respectively provided with two groups, the two groups of clamping components are respectively arranged at two sides of the bottom end of the frame body, and the two groups of movable components are respectively arranged at two sides of the cylinder body;
the clamping assembly comprises a movable column, a first spring and a sliding block, wherein one end of the movable column is fixedly connected with the bottom end of the frame body, one end of the movable column, which is far away from the frame body, is movably extended to the movable groove formed in the upper portion of the cylinder body, one end of the movable column, which is close to the movable groove, is provided with a fixed groove, one end of the first spring is fixedly connected with the bottom wall of the fixed groove, one end of the first spring, which is far away from the bottom wall of the fixed groove, is fixedly connected with one end of the sliding block, which is far away from the first spring, is arranged to be inclined, and one end of the sliding block, which is close to the first spring, is movably connected with the inner side wall of the fixed groove.
Preferably, the movable assembly comprises a push-pull column, a fixing frame, a limiting part, a fixing part and a second spring, wherein one end of the fixing frame is fixedly connected with one side of the cylinder body, one end of the push-pull column movably penetrates through the fixing frame, one end of the push-pull column, which is close to the fixing frame, movably extends to the inside of the cylinder body, one end of the push-pull column, which is close to the cylinder body, is movably connected with one side of the sliding block, one end of the push-pull column, which is far away from the sliding block, is fixedly connected with one end of the fixing part, one end of the second spring, which is far away from the fixing part, is fixedly penetrated through the limiting part, and one end of the push-pull column, which is close to one side of the cylinder body.
Preferably, the limiting piece is a limiting disc, and one end of the push-pull column close to one side of the cylinder body fixedly penetrates through the limiting disc.
Preferably, the fixing piece is a fixing plate, one end of the fixing plate is fixedly connected with one end of the push-pull column, which is far away from the side wall of the cylinder body, and one end of the second spring, which is far away from the fixing frame, is fixedly connected with one end of the fixing plate, which is close to the push-pull column.
Preferably, the main body device further comprises a sealing ring, one end of the sealing ring is movably connected with the upper end of the cylinder body, and one end of the sealing ring, which is far away from the cylinder body, is installed at the bottom of the frame body.
Preferably, an output member is mounted inside the cylinder.
Compared with the related art, the screw-in hydraulic cylinder provided by the utility model has the following beneficial effects:
the movable assembly drives the sliding block to move in the movable groove formed in the movable column, when the sliding block moves to the inside of the movable groove, the movable column can be pulled out of the cylinder body, one end of the movable column, which is far away from the cylinder body, is fixedly connected with the bottom end of the frame body, separation between the frame body and the cylinder body can be achieved, the sealing ring is arranged at the bottom end of the frame body, the sealing ring can be driven to move to the outer side of the cylinder body, separation between the cylinder body and the sealing ring is achieved, and compared with the traditional device, the device has the advantages that the sealing ring is detached by means of a tool, the structure is simple, the operation is simple, the sealing ring is detached more conveniently, and the frame body and the cylinder body only need to be detached.
Drawings
FIG. 1 is a schematic diagram of the whole structure of a screw-in hydraulic cylinder provided by the utility model;
FIG. 2 is a schematic view of a main device according to the present utility model;
FIG. 3 is a schematic view of a locking assembly according to the present utility model;
FIG. 4 is a cross-sectional view of a movable column according to the present utility model;
FIG. 5 is a partial schematic view of a cylinder provided by the present utility model;
fig. 6 is a schematic diagram of a movable assembly provided by the present utility model.
Reference numerals in the drawings: 1. a cylinder; 2. a frame; 3. an output member; 4. a seal ring; 5. a movable column; 6. a slide block; 7. a first spring; 8. a fixing plate; 9. a fixing frame; 10. a limiting disc; 11. a second spring; 12. push-pull column.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1-6 in combination, fig. 1 is a schematic diagram of an overall structure of a screw-in hydraulic cylinder according to the present utility model; FIG. 2 is a schematic view of a main device according to the present utility model; FIG. 3 is a schematic view of a locking assembly according to the present utility model; FIG. 4 is a cross-sectional view of a movable column according to the present utility model; FIG. 5 is a partial schematic view of a cylinder provided by the present utility model; fig. 6 is a schematic diagram of a movable assembly provided by the present utility model.
In the concrete implementation process, as shown in fig. 1-6, a screw-in hydraulic cylinder comprises a main body device and a limiting device, wherein the main body device comprises a cylinder body 1, the limiting device is arranged at the upper end of the cylinder body 1, the limiting device comprises a frame body 2, clamping components and movable components, the clamping components and the movable components are respectively provided with two groups, the two groups of clamping components are respectively arranged at two sides of the bottom end of the frame body 2, the two groups of movable components are respectively arranged at two sides of the cylinder body 1, the clamping components comprise a movable column 5, a first spring 7 and a sliding block 6, one end of the movable column 5 is fixedly connected with the bottom end of the frame body 2, one end of the movable column 5, which is far away from the frame body 2, can movably extend into a movable groove formed above the cylinder body 1, one end of the movable column 5, which is close to the movable groove, is provided with a fixed groove, one end of the first spring 7 is fixedly connected with the bottom wall of the fixed groove, one end of the first spring 7 far away from the bottom wall of the fixed groove is fixedly connected with one end of the sliding block 6, one end of the sliding block 6 far away from the first spring 7 is inclined, one end of the sliding block 6 close to the first spring 7 is movably connected with the inner side wall of the fixed groove, the movable assembly comprises a push-pull column 12, a fixed frame 9, a limiting piece, a fixed piece and a second spring 11, one end of the fixed frame 9 is fixedly connected with one side of the cylinder body 1, one end of the push-pull column 12 movably penetrates through the fixed frame 9, one end of the push-pull column 12 close to the fixed frame 9 movably extends to the inside of the cylinder body 1, one end of the push-pull column 12 close to the cylinder body 1 is movably connected with one side of the sliding block 6, one end of the push-pull column 12 far away from the sliding block 6 is fixedly connected with one end of the fixed piece, the second spring 11 is annularly arranged at one end of the push-pull column 12 close to the fixed piece, one end of the second spring 11 is fixedly connected with one end of the fixed piece close to the push-pull column 12, the one end that mounting and mount 9 fixed connection were kept away from to second spring 11, the one end that push-and-pull post 12 was close to cylinder body 1 one side is fixed to be worn to establish the locating part, the locating part is spacing dish 10, the one end that push-and-pull post 12 was close to cylinder body 1 one side is fixed to be worn to establish the spacing dish 10, spacing dish 10 can prevent that push-and-pull post 12 from can pop out owing to the elasticity of second spring 11, the mounting is fixed plate 8, the one end fixed connection of the one end of fixed plate 8 and push-and-pull post 12 keep away from the one end fixed connection of cylinder body 1 lateral wall, the one end that mount 9 was kept away from to second spring 11 and the one end fixed plate 8 is close to push-and-pull post 12, main part device still includes sealing washer 4, the one end and the upper end swing joint of cylinder body 1 of sealing washer 4, the one end that cylinder body 1 was kept away from to the sealing washer 4 is installed in the bottom of framework 2, the internally mounted of cylinder body 1 has output 3.
The working principle provided by the utility model is as follows: when the sealing ring 4 needs to be replaced, the sealing ring 4 is mounted at the bottom of the frame body 2, the fixing plate 8 is pressed firstly, the push-pull column 12 is driven to move towards the inside of the cylinder body 1 through the fixing plate 8, the sliding block 6 is driven to move towards the movable groove formed in the movable column 5 through the push-pull column 12, when the sliding block 6 moves to the inside of the movable groove, the movable column 5 can be pulled out of the cylinder body 1, one end of the movable column 5, far away from the cylinder body 1, is fixedly connected with the bottom end of the frame body 2, separation between the frame body 2 and the cylinder body 1 can be achieved, the sealing ring 4 is mounted at the bottom end of the frame body 2, the sealing ring 4 can be driven to move towards the outer side of the cylinder body 1, separation between the cylinder body 1 and the sealing ring 4 can be achieved, then the sealing ring 4 can be replaced again, the sealing ring 4 is mounted at the upper end of the cylinder body 1 after replacement, the movable column 5 is replaced in the cylinder body 1, and because one side of the sliding block 6 is an inclined surface, the sliding block 6 slides towards the inside of the movable groove when contacting the cylinder body 1, when the movable column 5 moves to the bottom wall of the movable groove, the cylinder body 6 can pop out, and the movable column 5 can be fixed with the cylinder body 1.
The circuits and control involved in the present utility model are all of the prior art, and are not described in detail herein.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. A screw-in hydraulic cylinder, comprising: the device comprises a main body device and a limiting device, wherein the main body device comprises a cylinder body (1), the limiting device is arranged at the upper end of the cylinder body (1), the limiting device comprises a frame body (2), a clamping assembly and a movable assembly, the clamping assembly and the movable assembly are respectively provided with two groups, the two groups of clamping assemblies are respectively arranged at two sides of the bottom end of the frame body (2), and the two groups of movable assemblies are respectively arranged at two sides of the cylinder body (1);
the clamping assembly comprises a movable column (5), a first spring (7) and a sliding block (6), wherein one end of the movable column (5) is fixedly connected with the bottom end of the frame body (2), one end of the movable column (5) away from the frame body (2) is movably extended to the inside of a movable groove formed in the upper portion of the cylinder body (1), one end of the movable column (5) close to the movable groove is provided with a fixed groove, one end of the first spring (7) is fixedly connected with the bottom wall of the fixed groove, one end of the first spring (7) away from the bottom wall of the fixed groove is fixedly connected with one end of the sliding block (6), one end of the sliding block (6) away from the first spring (7) is arranged to be inclined, and one end of the sliding block (6) close to the first spring (7) is movably connected with the inner side wall of the fixed groove.
2. The screw-in hydraulic cylinder according to claim 1, wherein the movable assembly comprises a push-pull column (12), a fixing frame (9), a limiting piece, a fixing piece and a second spring (11), one end of the fixing frame (9) is fixedly connected with one side of the cylinder body (1), one end of the push-pull column (12) movably penetrates through the fixing frame (9), one end of the push-pull column (12) close to the fixing frame (9) movably extends to the inside of the cylinder body (1), one end of the push-pull column (12) close to the cylinder body (1) is movably connected with one side of the sliding block (6), one end of the push-pull column (12) far away from the sliding block (6) is fixedly connected with one end of the fixing piece, one end of the second spring (11) is fixedly connected with one end of the fixing piece close to the push-pull column (12), one end of the second spring (11) far away from the fixing piece is fixedly connected with one end of the fixing frame (9), and one end of the push-pull column (12) close to one side of the cylinder body (1) fixedly penetrates through the limiting piece.
3. The screw-in hydraulic cylinder according to claim 2, wherein the limiting piece is a limiting disc (10), and one end of the push-pull column (12) close to one side of the cylinder body (1) fixedly penetrates through the limiting disc (10).
4. A screw-in hydraulic cylinder according to claim 3, characterized in that the fixing member is a fixing plate (8), one end of the fixing plate (8) is fixedly connected with one end of the push-pull column (12) away from the side wall of the cylinder body (1), and one end of the second spring (11) away from the fixing frame (9) is fixedly connected with one end of the fixing plate (8) close to the push-pull column (12).
5. Screw-in hydraulic cylinder according to claim 1, characterized in that the body means further comprises a sealing ring (4), one end of the sealing ring (4) is movably connected with the upper end of the cylinder body (1), and one end of the sealing ring (4) remote from the cylinder body (1) is mounted at the bottom of the frame body (2).
6. Screw-in hydraulic cylinder according to claim 5, characterized in that the interior of the cylinder body (1) is fitted with an output piece (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321407370.8U CN220435149U (en) | 2023-06-05 | 2023-06-05 | Screw-in type hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321407370.8U CN220435149U (en) | 2023-06-05 | 2023-06-05 | Screw-in type hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220435149U true CN220435149U (en) | 2024-02-02 |
Family
ID=89688901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321407370.8U Active CN220435149U (en) | 2023-06-05 | 2023-06-05 | Screw-in type hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220435149U (en) |
-
2023
- 2023-06-05 CN CN202321407370.8U patent/CN220435149U/en active Active
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