CN212177555U - Novel hydraulic cylinder - Google Patents
Novel hydraulic cylinder Download PDFInfo
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- CN212177555U CN212177555U CN202020196593.4U CN202020196593U CN212177555U CN 212177555 U CN212177555 U CN 212177555U CN 202020196593 U CN202020196593 U CN 202020196593U CN 212177555 U CN212177555 U CN 212177555U
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- heat dissipation
- cylinder body
- cylinder
- lateral wall
- piston rod
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 92
- 208000005189 Embolism Diseases 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims 1
- 230000005855 radiation Effects 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Abstract
The utility model relates to a novel hydraulic cylinder, comprising a cylinder body, the piston rod is worn to be equipped with by the cylinder body, the lateral wall of cylinder body is equipped with the hydraulic pressure mouth, the upper portion of cylinder body is equipped with the radiating part, the radiating part includes draws forth and is closed in the radiating pipe way of lateral wall from the cylinder body lateral wall to and locate the heat dissipation embolism between radiating pipe way and the cylinder body lateral wall, the piston rod bottom is equipped with the uide bushing, and wears to be equipped with at the middle part and communicates to the outside radiating rod of cylinder body, the pole body of piston rod is equipped with the circulation cover, the upper end of uide bushing is equipped with and is equipped with: the utility model discloses a novel heat radiation structure of integral type under the prerequisite that does not influence pneumatic cylinder intensity, has improved radiating efficiency, has improved the life of pneumatic cylinder, has prolonged hydraulic power system's steady operation duration.
Description
Technical Field
The utility model belongs to the technical field of hydraulic pressure components and parts, concretely relates to novel pneumatic cylinder.
Background
The pneumatic cylinder is a very important components and parts among the hydraulic pressure technique, be hydraulic power's important source, therefore its load often also can be very big, the problem that the occasion of heavy load brought is the problem that the temperature that the pneumatic cylinder self leads to because of acting risees, long-time high temperature can influence the life of pneumatic cylinder body, influence the performance of spare part, and then can cause the loss to whole hydraulic power system, bring the trouble hidden danger, consequently, the heat dissipation problem is an important component part of solving hydraulic system steady operation, at present, the heat radiation structure that the pneumatic cylinder used commonly used utilizes fin structure to realize the heat dissipation, but the radiating efficiency is not too high, and the structure of fin is also not stable enough, consequently, need a novel pneumatic cylinder to solve this problem.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the problem that exists among the background art, provide a novel pneumatic cylinder, solved relevant technical defect conscientiously, concrete scheme is as follows:
the utility model provides a novel hydraulic cylinder, includes the cylinder body, the piston rod is worn to be equipped with by the cylinder body, the lateral wall of cylinder body is equipped with the hydraulic pressure mouth, the upper portion of cylinder body is equipped with the radiating part, the radiating part includes draws forth and is closed in the heat dissipation pipeline of lateral wall from the cylinder body lateral wall to and locate the heat dissipation embolism between heat dissipation pipeline and the cylinder body lateral wall, the heat dissipation embolism is outer narrow interior wide, and the inboard is equipped with the conducting strip that is parallel to each other, the bottom of the piston rod is equipped with the uide bushing, and wears to be equipped with at the middle part and communicates to the outside heat dissipation pole of cylinder body, the pole body of piston rod is equipped with the circulation cover, the upper end of uide bushing is equipped with the non-return cover, the maximum distance of terminal surface is not less than.
As a preferred technical scheme of the utility model, heat dissipation pipeline quantity is no less than 1, and with rotational symmetry's form set up in the lateral wall of cylinder body, interval between the adjacent heat dissipation pipeline is not less than 1/4 of the average thickness of cylinder body.
As a preferred technical scheme of the utility model, the heat dissipation pipeline with the angle mirror symmetry of cominging in and going out of the both ends intercommunication mouth of cylinder body, and the angle of cominging in and going out is not more than 30.
As a preferred technical scheme of the utility model, 1/2 of cylinder body overall length are no less than to the interval between the intercommunication mouth of heat dissipation pipeline both ends and cylinder body.
As an optimal technical solution of the present invention, the heat dissipation plugs are uniformly distributed between the side walls of the heat dissipation pipeline and the cylinder body, and are adjacent to each other, the distance between the inner side roots of the heat dissipation plugs is not less than 1/2 of the inner side average width of the heat dissipation plugs.
As an optimal technical scheme of the utility model, the heat dissipation embolism is copper round platform structure, with be welded connection between the heat dissipation pipeline.
As an optimal technical scheme of the utility model, it is single the quantity of the inboard conducting strip that sets up of cooling plug is no less than 4, and every the thickness of conducting strip is no more than 2 mm.
As a preferred technical scheme of the utility model, the lateral wall of uide bushing is equipped with and is no less than 2 layers and the even sealing ring of interval, just the heat dissipation pole passes uide bushing and piston rod threaded connection, be equipped with stop collar, oil blanket ring and protection end cover between the tip of heat dissipation pole and cylinder body in proper order.
The beneficial effect who adopts above-mentioned scheme does: the utility model discloses a novel heat radiation structure of integral type under the prerequisite that does not influence pneumatic cylinder intensity, has improved radiating efficiency, has just improved the speed of heat exchange in other words, has consequently solved the unstable problem of conventional heat radiation structure, has improved the life of pneumatic cylinder, has prolonged hydraulic power system's steady operation duration.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic top view of the present invention.
Fig. 3 is a schematic structural view of the heat dissipation plug 5.
Fig. 4 is a schematic view of the shortest stroke.
Fig. 5 is a schematic diagram of the longest stroke.
Wherein: the device comprises a cylinder body 1, a piston rod 2, a hydraulic port 3, a heat dissipation pipeline 4, a heat dissipation plug 5, a heat conduction sheet 6, a guide sleeve 7, a heat dissipation rod 8, a circulation sleeve 9, a non-return sleeve 10, a communication port 11, a sealing ring 12, a limiting sleeve 13, an oil seal ring 14 and a protection end cover 15.
Detailed Description
Embodiments of the present invention will be described with reference to the accompanying drawings and related embodiments, wherein the following embodiments are only preferred embodiments for better illustrating the present invention, and the embodiments of the present invention are not limited to the following embodiments, and the related essential components of the present invention related to the technical field should be considered as known in the art and can be known and mastered by those skilled in the technical field.
In the description of the present invention, it is to be understood that the terms "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "inner," and the like are used in the orientation or positional relationship indicated in the drawings, merely for the purpose of describing the invention and simplifying the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
With the attached drawings, the novel hydraulic cylinder comprises a cylinder body 1, a piston rod 2 penetrates through the cylinder body 1, the side wall of the cylinder body 1 is provided with a hydraulic port 3, the upper part of the cylinder body 1 is provided with a heat dissipation part, the heat dissipation part comprises a heat dissipation pipeline 4 which is led out from the side wall of the cylinder body 1 and is closed on the side wall, and a heat dissipation plug 5 arranged between the heat dissipation pipeline 4 and the side wall of the cylinder body 1, wherein the heat dissipation plug 5 is narrow outside and wide inside, and the inner side is provided with heat conducting fins 6 which are parallel to each other, the bottom end of the piston rod 2 is provided with a guide sleeve 7, the middle part is penetrated with a heat radiating rod 8 communicated with the outside of the cylinder body, the rod body of the piston rod 2 is provided with a circulating sleeve 9, the upper end of the guide sleeve 7 is provided with a non-return sleeve 10, the maximum distance between the end faces of the circulating sleeve 9 and the non-return sleeve 10 is not smaller than the distance between the two ends of the heat dissipation pipeline 4, and the upper surface of the circulating sleeve 9 is a circular table top.
When the piston rod 2 works, the heat dissipation pipeline 4 of the heat dissipation part is used as a main heat dissipation channel, the heat dissipation rod 8 is used as a secondary heat dissipation channel, three-dimensional heat dissipation is realized, and no thin heat dissipation fin is exposed, so that the heat dissipation structure is very stable, is not easy to be damaged by external force and can work for a long time, and by combining the figure 1, the figure 4 and the figure 5, it can be seen that when the piston rod 2 is at the shortest stroke position and the longest stroke position, hydraulic liquid positioned in the front of the non-return sleeve 10 cannot leak to a rear cavity, so that the transmission of torque can be ensured not to be influenced, the narrow-outer-width structure of the heat dissipation plug 5 can ensure that the hydraulic liquid applies a self-locking force to the heat dissipation plug 5, the heat conduction sheet 6 of the heat dissipation plug 5, which is preferably consistent with the trend of the heat dissipation pipeline 4, of the hydraulic liquid from the, and the efficiency of hydraulic fluid passing is increased, the heat conduction efficiency is improved, the surface shape of the circulating sleeve 9 is favorable for guiding the hydraulic fluid to flow in the heat dissipation pipeline 4, so that the heat dissipation is assisted, and the heat dissipation efficiency is higher and the structure is more reasonable compared with a conventional heat dissipation structure with exposed heat dissipation fins.
In one of the preferred embodiments, the number of the heat dissipation pipelines 4 is not less than 1, and the heat dissipation pipelines are arranged on the side wall of the cylinder body 1 in a rotational symmetry manner, the distance between the adjacent heat dissipation pipelines 4 is not less than 1/4 of the average thickness of the cylinder body 1, the heat dissipation efficiency can be changed according to the number of the heat dissipation pipelines 4, so that the heat dissipation pipeline is suitable for different occasions, the adaptability is improved, the number is not too large, the strength of the cylinder body 1 is not affected, the overall performance is not affected, and the service life is normal.
In one preferred embodiment, the heat dissipation pipeline 4 and the communication ports 11 at the two ends of the cylinder 1 have mirror symmetry at an access angle, and the access angle is not greater than 30 °, so that the resistance of the hydraulic fluid flowing in the heat dissipation pipeline 4 and the cylinder 1 can be reduced as much as possible, the hydraulic fluid can be more effectively converted into power to do work, the heat dissipation efficiency can be improved, and the heat dissipation process can maintain the overall operation.
In one preferred embodiment, the distance between the two ends of the heat dissipation pipeline 4 and the communication port 11 of the cylinder 1 is not less than 1/2 of the total length of the cylinder 1, so that the effective stroke length of the piston rod 2 can be prolonged as much as possible, the working capacity of the hydraulic cylinder is improved, the overall structural strength is not affected, and the stability of the shape of the cylinder 1 can be maintained by the straight line segments of the rest part of the cylinder 1.
In one preferred embodiment, the heat dissipation plugs 5 are uniformly distributed between the heat dissipation pipeline 4 and the side wall of the cylinder body 1, and the distance between the inner roots of the adjacent heat dissipation plugs 5 is not less than 1/2 of the average width of the inner sides of the heat dissipation plugs 5, so that the number of the heat dissipation plugs 5 can be increased as much as possible, the strength of the side wall of the cylinder body 1 is not affected, and the stability of the overall performance is ensured.
In one preferred embodiment, the heat dissipation plug 5 is a copper circular truncated cone structure, and is welded to the heat dissipation pipe 4, so that the heat dissipation efficiency can be ensured to the maximum extent by using a copper material while maintaining low cost, and the heat dissipation rod 8 is preferably made of a copper material.
In a preferred embodiment, the number of the heat conducting sheets 6 arranged inside the single heat dissipation plug 5 is not less than 4, and the thickness of each heat conducting sheet 6 is not more than 2mm, the heat of the hydraulic fluid when flowing is conducted out by the heat conducting sheets 6, although the thickness is limited, the height of the heat conducting sheets 6 is not limited, and the height can be equal to the inner diameter of the heat dissipation pipeline 4, so that a grid plate-like mechanism is formed.
In one of the preferred embodiments, the lateral wall of the guide sleeve 7 is provided with not less than 2 layers of sealing rings 12 with average intervals, the heat dissipation rod 8 penetrates through the guide sleeve 7 and the piston rod 2, and a limiting sleeve 13, an oil seal ring 14 and a protective end cover 15 are sequentially arranged between the heat dissipation rod 8 and the end of the cylinder body 1, so that series flow of hydraulic liquid is not easy to occur, the hydraulic liquid does not largely overflow the outside of the cylinder body 1 along with the movement of the heat dissipation rod 8, the recovery difficulty of the overflowing hydraulic liquid is reduced, and the overall working efficiency is improved in an auxiliary manner.
The beneficial effect who adopts above-mentioned scheme does: the utility model discloses a novel heat radiation structure of integral type under the prerequisite that does not influence pneumatic cylinder intensity, has improved radiating efficiency, has just improved the speed of heat exchange in other words, has consequently solved the unstable problem of conventional heat radiation structure, has improved the life of pneumatic cylinder, has prolonged hydraulic power system's steady operation duration.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a novel hydraulic cylinder, includes the cylinder body, the piston rod is worn to be equipped with by the cylinder body, the lateral wall of cylinder body is equipped with hydraulic pressure mouth, a serial communication port, the upper portion of cylinder body is equipped with the radiating part, the radiating part includes draws forth and is closed in the heat dissipation pipeline of lateral wall from the cylinder body lateral wall to and locate the heat dissipation embolism between heat dissipation pipeline and the cylinder body lateral wall, the heat dissipation embolism is outer narrow wide in, and the inboard is equipped with the conducting strip that is parallel to each other, the bottom end of the piston rod is equipped with the uide bushing, and wears to be equipped with in the middle part and communicates to the outside heat dissipation pole of cylinder body, the pole body of piston rod is equipped with the circulating sleeve, the upper end of uide bushing is equipped with the non return cover, the maximum distance of terminal surface is not less than.
2. The novel hydraulic cylinder as claimed in claim 1, wherein the number of the heat dissipation pipelines is not less than 1, the heat dissipation pipelines are arranged on the side wall of the cylinder body in a rotational symmetry mode, and the distance between every two adjacent heat dissipation pipelines is not less than 1/4 of the average thickness of the cylinder body.
3. The novel hydraulic cylinder as claimed in claim 1, wherein the heat dissipation pipeline is mirror-symmetrical to the inlet and outlet angles of the communication ports at the two ends of the cylinder body, and the inlet and outlet angles are not greater than 30 °.
4. The novel hydraulic cylinder as claimed in claim 1, wherein the distance between the two ends of the heat dissipation pipeline and the communication port of the cylinder body is not less than 1/2 of the total length of the cylinder body.
5. The novel hydraulic cylinder as claimed in claim 1, wherein the heat dissipation plugs are uniformly distributed between the heat dissipation pipeline and the side wall of the cylinder body, and the distance between the inner side roots of the adjacent heat dissipation plugs is not less than 1/2 of the average width of the inner sides of the heat dissipation plugs.
6. The novel hydraulic cylinder as claimed in claim 1, wherein the heat dissipation plug is of a copper circular truncated cone structure and is connected with the heat dissipation pipeline in a welding manner.
7. The novel hydraulic cylinder as claimed in claim 1, wherein the number of the heat conducting fins arranged inside the single heat dissipation plug is not less than 4, and the thickness of each heat conducting fin is not more than 2 mm.
8. The novel hydraulic cylinder as claimed in claim 1, wherein the side wall of the guide sleeve is provided with at least 2 layers of sealing rings with even intervals, the heat dissipation rod penetrates through the guide sleeve and is in threaded connection with the piston rod, and a limit sleeve, an oil seal ring and a protective end cover are sequentially arranged between the heat dissipation rod and the end of the cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020196593.4U CN212177555U (en) | 2020-02-22 | 2020-02-22 | Novel hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020196593.4U CN212177555U (en) | 2020-02-22 | 2020-02-22 | Novel hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212177555U true CN212177555U (en) | 2020-12-18 |
Family
ID=73773146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020196593.4U Active CN212177555U (en) | 2020-02-22 | 2020-02-22 | Novel hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212177555U (en) |
-
2020
- 2020-02-22 CN CN202020196593.4U patent/CN212177555U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528225 No.1, Hengji Road, Shinan village, Xiaotang, Shishan town, Nanhai District, Foshan City, Guangdong Province Patentee after: Foshan Dongchen Intelligent Equipment Co.,Ltd. Address before: 528225 No.1, Hengji Road, Shinan village, Xiaotang, Shishan town, Nanhai District, Foshan City, Guangdong Province Patentee before: FOSHAN DCKOWA PRECISION MACHINERY CO.,LTD. |