CN221683312U - Stroke-adjustable top oil cylinder - Google Patents
Stroke-adjustable top oil cylinder Download PDFInfo
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- CN221683312U CN221683312U CN202323360435.0U CN202323360435U CN221683312U CN 221683312 U CN221683312 U CN 221683312U CN 202323360435 U CN202323360435 U CN 202323360435U CN 221683312 U CN221683312 U CN 221683312U
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- 239000003921 oil Substances 0.000 description 48
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of oil cylinder structures, in particular to a stroke-adjustable top oil cylinder which comprises a fixed rotary seat and an oil cylinder body, wherein a threaded pipe is arranged on the left side of the fixed rotary seat, external threads are arranged on the outer side surface of the threaded pipe, a piston rod is arranged in the fixed rotary seat, a groove is arranged on the right side of the fixed rotary seat, the inside of the groove is in threaded connection with one side of the oil cylinder body, a piston is arranged in the oil cylinder body, and piston rods are arranged on the two sides of the piston. According to the utility model, the threaded pipe is arranged on one side of the fixed rotary seat, the threaded pipe and the structure to be installed are matched, so that the integral long stroke adjustment of the oil cylinder can be realized, the internal threads are arranged in the groove on the other side of the fixed rotary seat and matched with the internal threads at the left end of the cylinder body of the oil cylinder, and the internal stroke of the cylinder body of the oil cylinder can be accurately adjusted, thereby increasing the capacity of the oil cylinder for adapting to different working occasions, meeting different working requirements and improving the working efficiency.
Description
Technical Field
The utility model relates to the technical field of oil cylinder structures, in particular to a stroke-adjustable top oil cylinder.
Background
The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). When it is used to realize reciprocating motion, it can eliminate speed reducer, and has no transmission clearance and smooth motion, so that it can be widely used in hydraulic systems of various machines. When the oil cylinder is used, the situation that the oil cylinder is suitable for needs to be strictly considered, different working requirements can be simultaneously met, and the existing adjustable oil cylinder at present is generally composed of an oil cylinder body, a piston rod, a sealing element and the like. By changing the length of the piston rod, the position of the piston can be changed, thereby achieving adjustment of the stroke. The stroke-adjustable hydraulic cylinder is usually connected in a threaded manner, and the stroke is changed by rotating a piston rod. The method for changing the stroke of the piston rod has more limit requirements on the application occasions, and can only change the action track of the source, but can not well realize the adjustment of the stroke.
Therefore, there is a need to propose a technique to improve the above-mentioned drawbacks.
Disclosure of utility model
In view of the above-mentioned shortcomings and drawbacks of the prior art, in order to achieve the above-mentioned objects, the present utility model provides a stroke-adjustable top cylinder, comprising:
The hydraulic cylinder comprises a fixed rotary seat and an oil cylinder body, wherein a threaded pipe is arranged on the left side of the fixed rotary seat, a piston rod is arranged on the inner side of the fixed rotary seat, a groove is formed in the right side of the fixed rotary seat, the inside of the groove is in threaded connection with one side of the oil cylinder body, and a piston is arranged inside the oil cylinder body.
As a preferable technical scheme, the inside of the groove is provided with an internal thread, the left side of the oil cylinder is provided with an external thread, and the internal thread is matched with the external thread for use.
As a preferable technical scheme, the hydraulic oil pump further comprises an oil inlet and an oil outlet, wherein the oil inlet and the oil outlet are arranged on the outer side of the fixed rotary seat and the outer side of the cylinder body and penetrate through the fixed rotary seat and the cylinder body.
As an optimized technical scheme, the front end of the piston is arranged in a step shape, an oil resistance block is arranged at the outer side position of the middle part of the piston, the inside of the cylinder body of the oil cylinder is arranged in a step shape, and the parameter size of the cylinder body of the oil cylinder is consistent with the parameter size of the piston.
As a preferable technical scheme, the hydraulic cylinder further comprises an outer cylinder body, wherein the outer cylinder body is arranged on the right side of the oil cylinder body, the outer cylinder body is fixedly connected with the oil cylinder body, and fastening bolts are further arranged around the other side of the outer cylinder body.
As a preferable technical scheme, the piston rod comprises a first piston rod and a second piston rod, the first piston rod is arranged on the left side of the piston, the second piston rod is arranged on the right side of the piston, and the first piston rod and the second piston rod are fixedly connected with the left end face and the right end face of the piston respectively.
As a preferable technical scheme, the external thread pipe is fixedly connected with the left side of the fixed rotary seat, and the piston rod penetrates through the external thread pipe and the fixed rotary seat.
As a preferred technical solution, the second piston rod is configured as a stepped shaft and is mounted inside the outer cylinder.
As a preferable technical scheme, the inner wall of the outer cylinder body is provided with a limiting step, and the limiting step is matched with the second piston rod for use.
As described above, the stroke-adjustable top oil cylinder provided by the utility model has the following beneficial effects:
According to the utility model, the threaded pipe is arranged at one end of the fixed rotary seat, so that the adjustment of the integral structure of the oil cylinder can be realized according to actual production requirements, the other side of the fixed rotary seat is provided with the groove, the inner thread is arranged in the groove, the outer side of the oil cylinder is provided with the external thread, the stroke of the oil cylinder can be adjusted through the matching use between the internal thread in the groove and the external thread of the oil cylinder, the sealing capacity in the oil cylinder can be ensured by the oil block, the coarse adjustment of the stroke of the oil cylinder is realized by the external thread on the threaded pipe, the fine adjustment of the cylinder body can be realized by the internal thread at the other side of the fixed rotary seat and the external thread of the oil cylinder, the working capacity of the oil cylinder is greatly improved, the oil cylinder is beneficial to adapting to different working occasions, and the requirements of various working environments are met.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
Fig. 2 shows an enlarged view of a part of the position of fig. 1.
1. Fixing the rotary seat; 101. a groove; 2. an oil cylinder body; 3. a piston; 301. an oil block; 4. a piston rod; 401. a first piston rod; 402. a second piston rod; 5. a threaded tube; 6. an outer cylinder; 601. limiting steps; 7. a bolt; 8. an oil inlet; 9. and an oil outlet.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention.
It should be noted that, the illustrations provided in the present embodiment only illustrate the basic concept of the present invention by way of illustration, but only the components related to the present invention are shown in the illustrations, rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, number, positional relationship and proportion of each component in actual implementation may be changed at will on the premise of implementing the present technical solution, and the layout of the components may be more complex.
Examples
The embodiment provides a stroke-adjustable top oil cylinder, refer to fig. 1, this structure includes fixed seat 1 soon, hydro-cylinder body 2, piston rod 4 and piston 3 soon, the left side of fixed seat 1 is provided with screwed pipe 5, screwed pipe 5 sets up to the external screw thread, fixed connection between seat 1 soon and the screwed pipe 5, right side at fixed seat 1 soon is provided with hydro-cylinder body 2, and be provided with recess 101 in the inside right side of fixed seat 1 soon, the internal screw thread has been seted up in recess 101, cooperation between the internal screw thread of recess 101 and the external screw thread of hydro-cylinder body 2 is used, form inside confined cylinder body, still set up oil inlet 8 and oil outlet 9 around the outside of fixed seat 1, in addition still be provided with piston 3 in the inside of hydro-cylinder body 1, piston 3 is the echelonment setting, still be provided with the oil blocking piece 301 between piston 3 and cylinder body 1, in order to prevent the loss of hydraulic oil during the piston 3 in the motion, the inside setting up to the echelonment of hydro-cylinder body 2, the limit dimension of echelonment is unanimous with the echelonment of piston 3, outside hydro-cylinder body 2, the outside of hydro-cylinder body 2 is provided with oil inlet 8 and oil outlet 9 in order to add with the change inside 2. An outer cylinder body 6 is further arranged on the other side of the oil cylinder body 2, the outer cylinder body 6 is fixedly connected with the right side of the oil cylinder body 2, and preferably, in the implementation, the outer cylinder body 6 is fixedly connected with the oil cylinder body 2 through bolts, and bolts 7 are further arranged outside the right side of the outer cylinder body 6.
Still referring to fig. 1, the piston rod 4 includes a first piston rod 401 and a second piston rod 402, the first piston rod 401 and the second piston rod 402 are respectively disposed on the left and right end surfaces of the piston 3, in addition, the piston rod 4 is disposed in a stepped manner, a bolt 7 is further disposed on the outer side of the first piston rod 401, a position of the bolt 7 is disposed on the left side of the thread 5 for limiting the moving position of the first piston rod 401, and a limiting step 601 is disposed on the inner wall of the outer cylinder 6 for limiting the stroke of the second step shaft 402.
In the use of the device, the threaded pipe 5 and the structure to be installed are installed together through the external thread of the threaded pipe 5, the device can be adjusted in a longer stroke through rotation, the movable position of the first piston rod 401 is limited through the bolt 7 on the left side of the fastening external thread 5, and the accurate adjustment of the stroke of the cylinder body is realized through the cooperation between the external thread of the cylinder body 2 and the internal thread inside the groove 101 of the fixed rotary seat 1.
In summary, according to the utility model, the threaded pipe is arranged on one side of the fixed screw seat, so that the threaded pipe and the structure to be installed are matched to realize the overall long stroke adjustment of the oil cylinder, the internal threads are arranged in the groove on the other side of the fixed screw seat and matched with the internal threads on the left end of the cylinder body of the oil cylinder, and the internal stroke of the cylinder body of the oil cylinder can be accurately adjusted, so that the capacity of adapting to different working occasions of the oil cylinder is increased, different working requirements are met, and the working efficiency is improved.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (9)
1. The utility model provides a stroke adjustable top hydro-cylinder, includes fixed seat and the hydro-cylinder body of spiraling, its characterized in that, the left side of fixed seat of spiraling is provided with the screwed pipe, the inboard of fixed seat of spiraling is provided with the piston rod, the right side of fixed seat of spiraling is provided with the recess, the recess inside with one side threaded connection of hydro-cylinder body, the inside piston that is provided with of hydro-cylinder body.
2. The stroke-adjustable top-end oil cylinder according to claim 1, wherein an internal thread is arranged in the groove, an external thread is arranged on the left side of the oil cylinder, and the internal thread is matched with the external thread.
3. The stroke-adjustable top-end cylinder according to claim 1, further comprising an oil inlet and an oil outlet, wherein the oil inlet and the oil outlet are provided outside the fixed rotary seat and outside the cylinder block, and penetrate through the inner wall of the fixed rotary seat and the inner wall of the cylinder block.
4. The stroke-adjustable top-end oil cylinder according to claim 1, wherein the front end of the piston is arranged in a step shape, an oil block is arranged at the outer side position of the middle part of the piston, the inside of the oil cylinder body is arranged in a step shape, and the parameter size of the oil cylinder body is consistent with the parameter size of the piston.
5. The stroke-adjustable top-end cylinder according to claim 1, further comprising an outer cylinder body, the outer cylinder body being provided on the right side of the cylinder body, the outer cylinder body being fixedly connected with the cylinder body, and bolts being further provided around the other side of the outer cylinder body.
6. The stroke-adjustable top-end cylinder as claimed in claim 5 wherein said piston rod comprises a first piston rod and a second piston rod, said first piston rod being disposed on the left side of said piston, said second piston rod being disposed on the right side of said piston, said first piston rod and said second piston rod being fixedly connected to the left end face and the right end face of said piston, respectively.
7. The stroke-adjustable top-end cylinder according to claim 1, wherein the threaded tube is fixedly connected to the left side of the fixed screw seat, and the piston rod passes through the threaded tube and the fixed screw seat.
8. The stroke-adjustable top-end cylinder as claimed in claim 6 wherein said second piston rod is configured as a stepped shaft and is mounted inside said outer cylinder.
9. The stroke-adjustable top-end cylinder as recited in claim 6 wherein the outer cylinder inner wall is provided with a limit step, the limit step being used in conjunction with a second piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323360435.0U CN221683312U (en) | 2023-12-11 | 2023-12-11 | Stroke-adjustable top oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323360435.0U CN221683312U (en) | 2023-12-11 | 2023-12-11 | Stroke-adjustable top oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221683312U true CN221683312U (en) | 2024-09-10 |
Family
ID=92620196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323360435.0U Active CN221683312U (en) | 2023-12-11 | 2023-12-11 | Stroke-adjustable top oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221683312U (en) |
-
2023
- 2023-12-11 CN CN202323360435.0U patent/CN221683312U/en active Active
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