CN210769632U - Cooling type oil hydraulic cylinder - Google Patents
Cooling type oil hydraulic cylinder Download PDFInfo
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- CN210769632U CN210769632U CN201921551993.6U CN201921551993U CN210769632U CN 210769632 U CN210769632 U CN 210769632U CN 201921551993 U CN201921551993 U CN 201921551993U CN 210769632 U CN210769632 U CN 210769632U
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- cylinder barrel
- end cover
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Abstract
The utility model discloses a cooling type oil hydraulic cylinder, which comprises a front end cover, a cooling cylinder barrel and a rear end cover which are sequentially connected, wherein one side of the front end cover is provided with a mounting groove, the other side of the front end cover is provided with a groove a, the cooling cylinder barrel is provided with a through groove, one side of the rear end cover is provided with a groove b, the groove a, the through groove and the groove b are communicated to form an accommodating cavity, a cylinder barrel is arranged in the accommodating cavity, a piston is connected in the cylinder barrel in a sliding way, and a sealing ring is arranged between the cylinder barrel and; the piston is connected with one end of the piston rod, and the other end of the piston rod penetrates through the front end cover to extend out; a V-shaped sealing ring is arranged in the mounting groove, one side of the V-shaped sealing ring is connected with a pressing ring, and the other side of the V-shaped sealing ring is connected with a sealing support ring; a water inlet is arranged at one side of the cooling cylinder barrel, and a water outlet is arranged at the other side of the cooling cylinder barrel. This application has guaranteed through the principle of water-cooling that the sealing washer is in motion under the normal temperature environment always, has improved the life of oil hydraulic cylinder.
Description
Technical Field
The utility model relates to an oil hydraulic cylinder, a cooling type oil hydraulic cylinder specifically says so.
Background
In the plastic molding industry, the temperature of the mold is generally not more than 200 degrees at most, but in the aluminum die-casting industry, the temperature of molten aluminum is basically 900 ℃ plus 800 ℃, the molten aluminum enters a die-casting mold through a die-casting machine, the molding period of a product is about 30 seconds, and the temperature of the mold is usually higher than the heat-resistant temperature of a sealing ring of an oil pressure cylinder in the long-time production process; therefore, the oil hydraulic cylinder has serious consequences in long-term use in a high-temperature environment.
The temperature of the butadiene rubber sealing ring is-20 to 80, the temperature of the fluorine rubber sealing ring is-5 to 150, and the oil hydraulic cylinder is generally installed to be in direct contact with the surface of a die. Even if the conventional oil hydraulic cylinder uses a fluororubber gasket, the conventional oil hydraulic cylinder cannot be used for a long time in an environment where the ambient temperature exceeds several tens of degrees or several times of the maximum heat-resistant temperature. And after the prior oil hydraulic cylinder uses the fluororubber sealing ring, the number of bad products can be increased under the condition that the temperature of the die is close to or exceeds the maximum service temperature of the sealing ring all the time, and financial, manpower and resources are wasted.
SUMMERY OF THE UTILITY MODEL
For the above-mentioned problem that solves prior art and exist, this application provides a cooling type oil pressure jar, has guaranteed through the water-cooling that the sealing washer is in motion under the normal temperature environment always, has improved oil pressure jar's life.
In order to achieve the purpose, the technical scheme of the application is as follows: a cooling type oil hydraulic cylinder comprises a front end cover, a cooling cylinder barrel and a rear end cover which are sequentially connected, wherein one side of the front end cover is provided with a mounting groove, the other side of the front end cover is provided with a groove a, the cooling cylinder barrel is provided with a through groove, one side of the rear end cover is provided with a groove b, the groove a, the through groove and the groove b are communicated to form an accommodating cavity, a cylinder barrel is arranged in the accommodating cavity, a piston is connected in the cylinder barrel in a sliding mode, and a sealing ring is arranged between the cylinder barrel and the; the piston is connected with one end of the piston rod, and the other end of the piston rod penetrates through the front end cover to extend out; a V-shaped sealing ring is arranged in the mounting groove, one side of the V-shaped sealing ring is connected with a pressing ring, the other side of the V-shaped sealing ring is connected with a sealing support ring, the inner walls of the pressing ring, the V-shaped sealing ring and the sealing support ring are all connected with the outer wall of the piston rod in a sliding mode, and the pressing cover is pressed on the mounting groove in a pressing mode and clamped with the pressing ring; a water inlet is arranged at one side of the cooling cylinder barrel, and a water outlet is arranged at the other side of the cooling cylinder barrel.
Further, the water inlet and the water outlet are connected to a cooling device through water pipes.
Furthermore, a gap between the cooling cylinder barrel and the cylinder barrel is a cooling cavity.
Furthermore, be equipped with V type groove on the clamping ring, V type groove is connected with V type sealing washer convex surface cooperation, it is protruding to be equipped with the V type on the seal support ring, the protruding and V type sealing washer concave surface cooperation of V type is connected.
Further, a wear-resisting ring is arranged between the cylinder barrel and the piston and is positioned between the two sealing rings.
Furthermore, an O-shaped ring and a support ring are arranged at the joint of the front end cover and the cylinder barrel, and an O-shaped ring and a support ring are arranged at the joint of the cylinder barrel and the rear end cover.
Furthermore, an O-shaped ring is arranged at the joint of the cooling cylinder barrel and the front end cover, and an O-shaped ring is also arranged at the joint of the cooling cylinder barrel and the rear end cover.
Furthermore, an O-shaped ring is arranged at the joint of the piston and the piston rod.
As a further step, the gland is fixedly connected with the front end cover through screws.
The utility model discloses owing to adopt above technical scheme, can gain following technological effect: o shape circle, sealing washer in this application have good sealing performance to along with the increase of pressure can improve beyond the leakproofness automatically, frictional resistance is little, resistant oily, anticorrosive, wear-resisting, easy dismounting, can convenient maintenance. The water inlet and the water outlet are connected to the cooling equipment, and in the long-time use process, the sealing ring is guaranteed to move under the normal temperature environment through the water-cooling principle, the service life of the oil hydraulic cylinder is prolonged, the waste of financial, manpower and resources is reduced, and the environment is protected.
Drawings
FIG. 1 is a side view of a cooling type oil hydraulic cylinder of the present application;
FIG. 2 is a cross-sectional view A-A of FIG. 1 of the present application;
the sequence numbers in the figures illustrate: 1. the piston rod, 2, a pressing ring, 3, a screw, 4, a gland, 5, a front end cover, 6, a sealing support ring, 7, a cylinder barrel, 8, a cooling cylinder barrel, 9, a piston, 10, a rear end cover, 11, a V-shaped sealing ring, 12, an actuating cavity, 13, an O-shaped ring, 14, a support ring, 15, a cooling cavity, 16, a sealing ring, 17 and a wear-resisting ring.
Detailed Description
The invention will be described in further detail with reference to the following figures and specific embodiments: the present application is further described by taking this as an example.
As shown in fig. 1-2, the embodiment provides a cooling type oil hydraulic cylinder, which includes a cooling cylinder barrel, wherein one side of the cooling cylinder barrel is clamped with a front end cover, the other side of the cooling cylinder barrel is clamped with a rear end cover, and O-rings are arranged at the clamping positions; the cooling cylinder is characterized in that one side of a front end cover is provided with a mounting groove, a pressure ring, a V-shaped sealing ring and a sealing support ring are arranged in the mounting groove, the other side of the front end cover is provided with a groove a, a through groove is formed in the cooling cylinder, one side of a rear end cover is provided with a groove b, the groove a, the through groove and the groove b are communicated to form an accommodating cavity, a cylinder is arranged in the accommodating cavity, an actuating cavity is arranged in the cylinder, a piston is connected in a sliding mode, and two sealing rings are; the piston is connected with one end of the piston rod, and the other end of the piston rod penetrates through the front end cover, the sealing support ring, the V-shaped sealing ring and the compression ring to extend out; the gland is pressed on the mounting groove and clamped with the pressure ring;
the V-shaped groove is formed in the compression ring and is connected with the convex surface of the V-shaped sealing ring in a matched mode, the V-shaped protrusion is arranged on the sealing support ring and is connected with the concave surface of the V-shaped sealing ring in a matched mode. And a wear-resistant ring is also arranged between the cylinder barrel and the piston and is positioned between the two sealing rings. The front end cover is provided with a cylinder barrel, the front end cover is provided with a front end cover, the rear end cover is provided with a rear end cover, and the front end cover is provided with a front end cover and a rear end cover. And an O-shaped ring is arranged at the joint of the piston and the piston rod. The gland is fixedly connected with the front end cover through screws.
The gap between the cooling cylinder barrel and the cylinder barrel is a cooling cavity, a water inlet is formed in one side of the cooling cylinder barrel, a water outlet is formed in the other side of the cooling cylinder barrel, the water inlet and the water outlet are connected to cooling equipment through water pipes, water cooled by the cooling equipment enters the cooling cavity through the water inlet, and the heated water flows to the cooling equipment through the water outlet to be cooled. The water in the cooling cavity cools the cylinder barrel and the sealing ring in the cylinder barrel.
The sealing ring is used in a high-temperature die environment, the sealing ring is guaranteed to move under a normal temperature environment through a water-cooling principle, the service life of the oil hydraulic cylinder is prolonged, the waste of financial, manpower and resources is reduced, and the environment is protected.
The above, only for the utility model discloses create the concrete implementation way of preferred, nevertheless the utility model discloses the protection scope of creation is not limited to this, and any person skilled in this technical field is in the utility model discloses create the technical scope of disclosure, according to the utility model discloses the technical scheme of creation and utility model design equivalence replacement or change all should be covered in the protection scope of creation of the utility model.
Claims (9)
1. A cooling type oil hydraulic cylinder is characterized by comprising a front end cover, a cooling cylinder barrel and a rear end cover which are sequentially connected, wherein one side of the front end cover is provided with a mounting groove, the other side of the front end cover is provided with a groove a, the cooling cylinder barrel is provided with a through groove, one side of the rear end cover is provided with a groove b, the groove a, the through groove and the groove b are communicated to form an accommodating cavity, a cylinder barrel is arranged in the accommodating cavity, a piston is connected in the cylinder barrel in a sliding mode, and a sealing ring is arranged between the cylinder barrel and the piston; the piston is connected with one end of the piston rod, and the other end of the piston rod penetrates through the front end cover to extend out; a V-shaped sealing ring is arranged in the mounting groove, one side of the V-shaped sealing ring is connected with a pressing ring, the other side of the V-shaped sealing ring is connected with a sealing support ring, the inner walls of the pressing ring, the V-shaped sealing ring and the sealing support ring are all connected with the outer wall of the piston rod in a sliding mode, and a pressing cover is pressed on the mounting groove and clamped with the pressing ring; a water inlet is arranged at one side of the cooling cylinder barrel, and a water outlet is arranged at the other side of the cooling cylinder barrel.
2. The cooling type oil hydraulic cylinder as claimed in claim 1, wherein the water inlet and the water outlet are connected to a cooling device through water pipes.
3. The cooling type oil hydraulic cylinder as claimed in claim 2, wherein the gap between the cooling cylinder barrel and the cylinder barrel is a cooling cavity.
4. The cooling type oil hydraulic cylinder according to claim 1, wherein a V-shaped groove is formed in the pressing ring, the V-shaped groove is connected with a V-shaped sealing ring in a matched mode, a V-shaped protrusion is arranged on the sealing support ring, and the V-shaped protrusion is connected with a V-shaped sealing ring concave surface in a matched mode.
5. The cooling type oil hydraulic cylinder as claimed in claim 1, wherein a wear ring is further provided between the cylinder barrel and the piston, and the wear ring is located between the two seal rings.
6. The cooling type oil hydraulic cylinder as claimed in claim 1, wherein an O-ring and a support ring are provided at a joint of the front end cover and the cylinder barrel, and an O-ring and a support ring are provided at a joint of the cylinder barrel and the rear end cover.
7. The cooling type oil hydraulic cylinder as claimed in claim 1, wherein an O-ring is arranged at a joint of the cooling cylinder barrel and the front end cover, and an O-ring is also arranged at a joint of the cooling cylinder barrel and the rear end cover.
8. The cooling type oil hydraulic cylinder as claimed in claim 1, wherein an O-ring is provided at a connection of the piston and the piston rod.
9. The cooling type oil pressure cylinder as claimed in claim 1, wherein the gland is fixedly connected to the front end cover by a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921551993.6U CN210769632U (en) | 2019-09-18 | 2019-09-18 | Cooling type oil hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921551993.6U CN210769632U (en) | 2019-09-18 | 2019-09-18 | Cooling type oil hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210769632U true CN210769632U (en) | 2020-06-16 |
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ID=71037745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921551993.6U Active CN210769632U (en) | 2019-09-18 | 2019-09-18 | Cooling type oil hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210769632U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747006A (en) * | 2020-12-14 | 2021-05-04 | 武汉工程大学 | Sealing structure of mechanical vibrator suitable for high-pressure dusty environment |
| CN112747116A (en) * | 2020-12-25 | 2021-05-04 | 武汉工程大学 | Vibrator inner sealing structure capable of being applied to high-temperature and multi-ash environment |
| CN114473481A (en) * | 2021-12-22 | 2022-05-13 | 湖北三江航天红峰控制有限公司 | O-shaped ring installation process passing through holes |
-
2019
- 2019-09-18 CN CN201921551993.6U patent/CN210769632U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747006A (en) * | 2020-12-14 | 2021-05-04 | 武汉工程大学 | Sealing structure of mechanical vibrator suitable for high-pressure dusty environment |
| CN112747116A (en) * | 2020-12-25 | 2021-05-04 | 武汉工程大学 | Vibrator inner sealing structure capable of being applied to high-temperature and multi-ash environment |
| CN114473481A (en) * | 2021-12-22 | 2022-05-13 | 湖北三江航天红峰控制有限公司 | O-shaped ring installation process passing through holes |
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