CN219317313U - Water cooling cylinder with embedded heat conducting lining - Google Patents
Water cooling cylinder with embedded heat conducting lining Download PDFInfo
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- CN219317313U CN219317313U CN202320156162.9U CN202320156162U CN219317313U CN 219317313 U CN219317313 U CN 219317313U CN 202320156162 U CN202320156162 U CN 202320156162U CN 219317313 U CN219317313 U CN 219317313U
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Abstract
The utility model relates to a water cooling cylinder with an embedded heat conducting bush, which comprises: the front end of the cylinder sleeve body is fixedly provided with a front end sealing sleeve in a sealing way, and the rear end of the cylinder sleeve body is fixedly provided with a rear end sealing sleeve in a sealing way; the piston assembly comprises a piston rod, and a piston is arranged at the rear end of the piston rod; the piston is connected with the inner wall of the heat conducting bush in a sliding sealing way; the heat conducting pipe is annularly arranged on the inner wall of the cylinder sleeve body, and the side wall of the heat conducting pipe is in heat conducting contact with the heat conducting lining; the air guide shell is sleeved on the outer wall of the cylinder sleeve body, and a buffer cavity is arranged between the air guide shell and the outer wall of the cylinder sleeve body; the device also comprises a diversion tail cover, wherein the diversion tail cover is coaxially fixed at the rear end of the rear end sealing sleeve, and a liquid inlet diversion cavity is arranged between the diversion tail cover and the rear end sealing sleeve; the cooling liquid enters from the cooling liquid inlet hole, flows to the buffer cavity after passing through the heat conducting pipe, and finally is discharged.
Description
Technical Field
The utility model relates to a water cooling cylinder with an embedded heat conducting bush, and belongs to the field of oil cylinder equipment.
Background
The oil cylinder under the working conditions of stirring, a hearth and the like can cause the deterioration of hydraulic oil, the damage of a sealing ring and even the thermal deformation of a cylinder body structure due to high temperature; therefore, the heat dissipation of the cylinder body is important, the heat dissipation of the cylinder in the prior art is generally realized by arranging a heat dissipation jacket on the inner wall of the cylinder body, and the heat of the cylinder body is taken away by arranging circulating cooling liquid in the jacket; but the jacket is generally arranged on the outer wall of the cylinder body shell, and the space between the cooling liquid cavity in the jacket and the outer wall of the piston cavity in the cylinder body is too large, so that the cooling liquid in the jacket has lower heat dissipation efficiency and larger hysteresis for the piston cavity in the cylinder body.
Disclosure of Invention
The utility model aims to solve the technical problems that: the technical problem in the prior art is overcome, a water cooling cylinder with an embedded heat conducting bush is provided.
The technical scheme adopted for solving the technical problems is as follows:
a water cooled cylinder with an in-line thermally conductive liner, comprising:
the hydraulic cylinder comprises a cylinder sleeve body, wherein a front end sealing sleeve is fixed at the front end of the cylinder sleeve body in a sealing manner, a rear end sealing sleeve is fixed at the rear end of the cylinder sleeve body in a sealing manner, a hydraulic cavity is arranged between the front end sealing sleeve and the rear end sealing sleeve, a step groove is formed in the inner wall of the front end sealing sleeve, a first hydraulic port penetrating through the front end sealing sleeve is formed in the inner wall of the step groove, and a second hydraulic port penetrating through the rear end sealing sleeve is coaxially formed in the rear end sealing sleeve;
the piston assembly comprises a piston rod, the rear end of the piston rod is provided with a piston, the piston is connected to the inner wall of the cylinder sleeve body in a sliding and sealing manner, and the side wall of the piston rod is connected with the sealing sleeve at the front end in a sliding and sealing manner;
the piston is connected with the inner wall of the heat conduction bush in a sliding sealing way;
the heat conduction pipe is annularly arranged on the inner wall of the cylinder sleeve body, a plurality of embedded grooves are annularly arranged on the inner wall of the cylinder sleeve body, the heat conduction pipe is fixed in the embedded grooves, the front end of the heat conduction pipe penetrates through the side wall of the cylinder sleeve body to extend to be connected with the outside, and the tail end of the heat conduction pipe extends to the tail end of the cylinder sleeve body; the side wall of the heat conducting pipe is in heat conducting contact with the heat conducting lining;
the air guide shell is sleeved on the outer wall of the cylinder sleeve body, a buffer cavity is arranged between the air guide shell and the outer wall of the cylinder sleeve body, and the buffer cavity is communicated with the front end of the heat conduction pipe; the side wall of the diversion jacket is provided with a cooling liquid discharge hole;
the guide tail cover is coaxially fixed at the rear end of the rear end sealing sleeve, a sealing ring is arranged on the outer ring of the guide tail cover, the sealing ring is in sealing connection with the outer wall of the cylinder sleeve body, a liquid inlet guide cavity is arranged between the guide tail cover and the rear end sealing sleeve, and the rear end of the heat conduction pipe is communicated with the liquid inlet guide cavity; a cooling liquid inlet hole is formed in the surface of the diversion tail cover;
the cooling liquid enters from the cooling liquid inlet hole, flows to the buffer cavity after passing through the heat conducting pipe, and finally is discharged through the cooling liquid discharge hole.
As a further improvement of the utility model, one end of the front end sealing sleeve is provided with an annular first connecting bulge, the first connecting bulge is embedded into the inner wall of the heat conducting bush, and the outer side wall of the first connecting bulge is in interference fit with the inner side wall of the heat conducting bush; one end of the rear end sealing sleeve is provided with an annular second connecting protrusion, the second connecting protrusion is arranged on the inner wall of the heat conducting bush, and the outer side wall of the second connecting protrusion is in interference fit with the inner side wall of the heat conducting bush.
As a further improvement of the utility model, the diversion tail cover is covered on the rear end sealing sleeve, an extension pipe is fixed in the second hydraulic port in an interference fit manner, and the extension pipe penetrates through the diversion tail cover and is fixed with the diversion tail cover in a sealing manner.
As a further improvement of the utility model, a plurality of connecting columns are annularly arranged on one end of the diversion tail cover facing the rear end sealing sleeve in an array manner, the connecting columns are inserted into the rear end sealing sleeve, bolts are coaxially arranged at positions of the diversion tail cover corresponding to the connecting columns, and penetrate through the diversion tail cover and are fixedly connected with the rear end sealing sleeve.
As a further improvement of the utility model, a front end baffle ring is arranged at the front end of the cylinder sleeve body, a rear end baffle ring is arranged at the outer side of the diversion tail cover, and the diversion shell is arranged between the front end baffle ring and the rear end baffle ring; the front end and the rear end of the diversion shell are respectively fixedly connected with the front end baffle ring and the rear end baffle ring through flange rings.
As a further development of the utility model, the heat conducting tube is fixed into the inlay groove by brazing.
The beneficial effects of the utility model are as follows:
1. according to the utility model, the heat conduction pipe is arranged on the inner wall of the existing cylinder body and is connected to the heat conduction jacket of the water-cooling cylinder in the prior art, and on the premise that the strength of the cylinder body is not affected, only one layer of heat conduction lining is arranged between the heat conduction pipe and the inner cavity of the piston, so that the heat conduction efficiency of the hydraulic oil in the cylinder body and the sealing ring of the piston is effectively improved, and the service life of the cylinder body structure under a high-temperature working condition is prolonged;
2. the original heat exchange jacket arranged outside becomes a buffer cavity, so that the liquid after heat exchange can continuously dissipate heat to a certain extent to the shell of the cylinder body, meanwhile, the front ends of the heat conducting pipes can be connected, the connected structure cannot leak out of the cylinder body, and the rationality of the structure is ensured.
3. The heat conduction bush is in sealing connection with the front end sealing sleeve and the rear end sealing sleeve, so that the pressure resistance inside the whole hydraulic cavity can be improved, and if the end parts are in extrusion contact, the situation that hydraulic oil leaks from the heat conduction bush to the inner wall of the cylinder sleeve body can easily occur.
4. The guide tail cover covers the rear end sealing sleeve completely, the integral strength of the guide tail cover can be improved, meanwhile, the length of the hydraulic connecting pipe can be reduced through the extending pipe which is arranged in a penetrating mode, and the resistance of hydraulic oil entering the piston cavity is reduced.
5. The fixing of the connecting column promotes the supporting strength of the diversion tail cover and the rear end sealing sleeve, and ensures the strength of the liquid inlet diversion cavity.
6. The water conservancy diversion shell is fixed through arranging the flange on the baffle ring for the water conservancy diversion shell is easy to dismantle more, and the flange of both ends has also promoted fixed sealed effect simultaneously.
7. The brazing fixation can promote the heat conduction efficiency of the heat conduction pipe to the cylinder sleeve body.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic cross-sectional view of the present utility model;
in the figure: 1. a cylinder sleeve body; 2. embedding grooves; 3. a heat conduction pipe; 4. a diversion shell; 5. a buffer chamber; 6. a front end sealing sleeve; 7. a step groove; 8. a first hydraulic port; 9. a rear end sealing sleeve; 10. a piston; 11. a piston rod; 12. a diversion tail cover; 13. a connecting column; 14. a coolant discharge hole; 15. an extension tube; 16. a liquid inlet diversion cavity; 17. a coolant discharge hole; 18. a thermally conductive liner; 19. a front end baffle ring; 20. a rear end baffle ring; 21. and a flange ring.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.
As shown in figure 1, the utility model is a water-cooling cylinder with an embedded heat conducting bush, the main body of the water-cooling cylinder is a cylinder sleeve body, a plurality of embedded grooves are processed in the cylinder sleeve body, the embedded grooves are opened at two ends of the cylinder body, meanwhile, a front end hole is drilled at one end of the cylinder sleeve body, a heat conducting pipe is embedded in the cylinder body through the embedded grooves, the front end of the heat conducting pipe is bent and inserted into the front end hole, and the heat conducting pipe is fixed through brazing after being installed; the inner wall of the cylinder sleeve body is also provided with a heat conduction bush which is fixed in the cylinder sleeve body through static press fit; the front end sealing sleeve and the rear end sealing sleeve are respectively arranged at the two ends of the cylinder body, a first connecting bulge and a second connecting bulge are respectively arranged on the front end sealing sleeve and the rear end sealing sleeve, the first connecting bulge and the second connecting bulge are respectively fixed with the two ends of the heat conducting bush in an interference fit manner, and the front end sealing sleeve and the rear end sealing sleeve are fixed with the two ends of the cylinder body through flanges; a hydraulic cavity is arranged between the front end sealing sleeve and the rear end sealing sleeve, a step groove is formed in the inner wall of the front end sealing sleeve, a first hydraulic port penetrating the front end sealing sleeve is formed in the inner side wall of the step groove, and a second hydraulic port penetrating the rear end sealing sleeve is coaxially formed in the rear end sealing sleeve; the heat conduction bush of the cylinder sleeve body is in sliding seal connection with the piston, and the piston rod of the piston is in sliding seal connection with the sealing hole in the middle of the front end sealing sleeve; a guide tail cover is fixed at the rear end of the cylinder sleeve body, and an outer ring of the guide tail cover is sleeved on the outer wall of the tail end of the cylinder sleeve body through a sealing ring and is in sealing connection with the outer wall of the tail end; the inner annular array of the diversion tail cover is provided with a plurality of connecting columns inserted into the rear end sealing sleeve, bolts are connected in the connecting columns through threads, the front ends of the bolts penetrate into the rear end sealing sleeve to realize mutual fixation of the rear end sealing sleeve and the diversion tail cover, meanwhile, an extension pipe is fixed in the middle part of the rear end sealing sleeve in an interference fit manner, the extension pipe penetrates through the rear end sealing sleeve, sealing fixation between the extension pipe and the diversion tail cover is realized through a sealing compression ring which is fixed on the outer wall of the extension pipe through threads, and a second hydraulic port is arranged in the extension pipe; a liquid inlet flow guide cavity communicated with the embedded groove at the tail end of the cylinder sleeve main body is formed between the flow guide tail cover and the rear end sealing sleeve, and the liquid inlet flow guide cavity is communicated with the tail end of the heat conducting pipe; the outer ring of the diversion tail cover is integrally provided with a rear end baffle ring, the front end outer wall of the cylinder sleeve body is correspondingly integrally provided with a front end baffle ring, a diversion shell is arranged between the front end baffle ring and the rear end baffle ring, two ends of the diversion shell are sealed and fixed with the front end baffle ring and the rear end baffle ring through flanges, a buffer cavity is arranged between the diversion shell and the cylinder sleeve body, and the buffer cavity is communicated with a bending part at the front end of the heat conducting pipe; a coolant inlet hole for filling low-temperature coolant cooled by a cooler is arranged on the diversion tail cover, a coolant discharge hole for discharging high-temperature coolant in the buffer cavity is arranged on the end wall surface of the diversion shell, the coolant inlet hole and the coolant discharge hole are connected by a refrigerator,
when the piston is particularly used, cooling liquid enters from the cooling liquid inlet hole and then enters into each heat conducting pipe respectively under uniform pressure after being buffered by the liquid inlet flow guide cavity, the heat conducting pipes can take away the heat of the half circle wall surface in the cylinder sleeve body and take away the heat in the heat conducting bush at the same time, so that the heat conducting bush is at a proper temperature, the piston contact inner wall is ensured to be difficult to deform due to the influence of thermal stress, the sealing piece is also ensured to be difficult to deform due to the influence of thermal stress, the smoothness of the piston in floating is ensured, and the hydraulic oil in the heat conducting bush is also ensured not to be gelatinized due to the overhigh temperature; the normal operation of the piston rod and the piston is affected, the cooling liquid enters the buffer cavity after heat exchange is completed, the buffer cavity still ensures the uniformity of the pressure and the flow velocity of each heat conduction pipe, and meanwhile, the buffer cavity can realize the secondary utilization of the cooling liquid and take away the heat of the diversion shell positioned on the surface of the mechanism to a certain extent, so that the heat of the surface of the cylinder sleeve body is reduced, and the possibility of thermal deformation of the cylinder sleeve body is further reduced; meanwhile, the disassembly of the structure is more convenient, the diversion shell can be disassembled to clean two cavities through which cooling liquid flows by disassembling the diversion tail cover at the rear end, meanwhile, the cleaning of the heat-conducting pipe is also facilitated, the cleaning in the heat-conducting bush can be realized by disassembling the rear end sealing sleeve again, meanwhile, the replacement of the heat-conducting bush can be conveniently realized by pulling equipment and the like, the maintenance of the contact surface of the piston is realized, and the boring processing of the inner wall of the cylinder body is not needed like a traditional hydraulic cylinder; meanwhile, the heat pipe can be replaced by heating soldering tin; the maintainability is high.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (6)
1. A water cooled cylinder with an in-line thermally conductive liner, comprising:
the hydraulic cylinder comprises a cylinder sleeve body, wherein a front end sealing sleeve is fixed at the front end of the cylinder sleeve body in a sealing manner, a rear end sealing sleeve is fixed at the rear end of the cylinder sleeve body in a sealing manner, a hydraulic cavity is arranged between the front end sealing sleeve and the rear end sealing sleeve, a step groove is formed in the inner wall of the front end sealing sleeve, a first hydraulic port penetrating through the front end sealing sleeve is formed in the inner wall of the step groove, and a second hydraulic port penetrating through the rear end sealing sleeve is coaxially formed in the rear end sealing sleeve;
the piston assembly comprises a piston rod, the rear end of the piston rod is provided with a piston, the piston is connected to the inner wall of the cylinder sleeve body in a sliding and sealing manner, and the side wall of the piston rod is connected with the sealing sleeve at the front end in a sliding and sealing manner;
the cylinder sleeve is characterized by further comprising a heat conducting bush, wherein the heat conducting bush is embedded in the inner wall of the cylinder sleeve body in an interference fit manner, and the piston is in sliding sealing connection with the inner wall of the heat conducting bush;
the heat conduction pipe is annularly arranged on the inner wall of the cylinder sleeve body, a plurality of embedded grooves are annularly arranged on the inner wall of the cylinder sleeve body, the heat conduction pipe is fixed in the embedded grooves, the front end of the heat conduction pipe penetrates through the side wall of the cylinder sleeve body to extend to be connected with the outside, and the tail end of the heat conduction pipe extends to the tail end of the cylinder sleeve body; the side wall of the heat conducting pipe is in heat conducting contact with the heat conducting lining;
the air guide shell is sleeved on the outer wall of the cylinder sleeve body, a buffer cavity is arranged between the air guide shell and the outer wall of the cylinder sleeve body, and the buffer cavity is communicated with the front end of the heat conduction pipe; the side wall of the diversion jacket is provided with a cooling liquid discharge hole;
the guide tail cover is coaxially fixed at the rear end of the rear end sealing sleeve, a sealing ring is arranged on the outer ring of the guide tail cover, the sealing ring is in sealing connection with the outer wall of the cylinder sleeve body, a liquid inlet guide cavity is arranged between the guide tail cover and the rear end sealing sleeve, and the rear end of the heat conduction pipe is communicated with the liquid inlet guide cavity; a cooling liquid inlet hole is formed in the surface of the diversion tail cover;
the cooling liquid enters from the cooling liquid inlet hole, flows to the buffer cavity after passing through the heat conducting pipe, and finally is discharged through the cooling liquid discharge hole.
2. The water cooled cylinder of an in-line thermally conductive liner of claim 1, wherein: one end of the front end sealing sleeve is provided with an annular first connecting protrusion, the first connecting protrusion is embedded into the inner wall of the heat conducting bush, and the outer side wall of the first connecting protrusion is in interference fit with the inner side wall of the heat conducting bush; one end of the rear end sealing sleeve is provided with an annular second connecting protrusion, the second connecting protrusion is arranged on the inner wall of the heat conducting bush, and the outer side wall of the second connecting protrusion is in interference fit with the inner side wall of the heat conducting bush.
3. The water cooled cylinder of an in-line thermally conductive liner of claim 1, wherein: the guide tail cover is covered on the rear end sealing sleeve, an extension pipe is fixed in the second hydraulic port in an interference fit mode, and the extension pipe penetrates through the guide tail cover and is fixed with the guide tail cover in a sealing mode.
4. The water cooled cylinder of an in-line thermally conductive liner of claim 1, wherein: the guide tail cover is provided with a plurality of connecting columns which are annularly arranged at one end facing the rear end sealing sleeve, the connecting columns are inserted into the rear end sealing sleeve, bolts are coaxially arranged at positions of the guide tail cover corresponding to the connecting columns, and the bolts penetrate through the guide tail cover and are fixedly connected with the rear end sealing sleeve.
5. The water cooled cylinder of an in-line thermally conductive liner of claim 1, wherein: the front end of the cylinder sleeve body is provided with a front end baffle ring, the outer side of the diversion tail cover is provided with a rear end baffle ring, and the diversion shell is arranged between the front end baffle ring and the rear end baffle ring; the front end and the rear end of the diversion shell are respectively fixedly connected with the front end baffle ring and the rear end baffle ring through flange rings.
6. The water cooled cylinder of an in-line thermally conductive liner of claim 1, wherein: the heat conducting pipe is fixed into the inlaid groove through brazing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320156162.9U CN219317313U (en) | 2023-02-08 | 2023-02-08 | Water cooling cylinder with embedded heat conducting lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320156162.9U CN219317313U (en) | 2023-02-08 | 2023-02-08 | Water cooling cylinder with embedded heat conducting lining |
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| Publication Number | Publication Date |
|---|---|
| CN219317313U true CN219317313U (en) | 2023-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320156162.9U Active CN219317313U (en) | 2023-02-08 | 2023-02-08 | Water cooling cylinder with embedded heat conducting lining |
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| CN (1) | CN219317313U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117307556A (en) * | 2023-10-25 | 2023-12-29 | 江西液压件股份有限公司 | Hydraulic cylinder jacking device |
-
2023
- 2023-02-08 CN CN202320156162.9U patent/CN219317313U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117307556A (en) * | 2023-10-25 | 2023-12-29 | 江西液压件股份有限公司 | Hydraulic cylinder jacking device |
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