CN211820190U - Hydraulic cylinder device of leak protection type - Google Patents
Hydraulic cylinder device of leak protection type Download PDFInfo
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- CN211820190U CN211820190U CN202020478531.2U CN202020478531U CN211820190U CN 211820190 U CN211820190 U CN 211820190U CN 202020478531 U CN202020478531 U CN 202020478531U CN 211820190 U CN211820190 U CN 211820190U
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Abstract
The utility model discloses a hydraulic cylinder device of leak protection type belongs to hydraulic cylinder technical field, a hydraulic cylinder device of leak protection type, including the cylinder body, the cylinder body is inside to be equipped with the sliding hole, the lateral wall of sliding hole is equipped with the elastic seal section of thick bamboo, sliding connection has the slip piston in the elastic seal section of thick bamboo, the lateral wall of slip piston is equipped with the piston rod, be equipped with the cylinder hole on the slip piston, the both ends of cylinder hole are equipped with the rolling ball, the rolling ball pastes with the elastic seal section of thick bamboo, be equipped with the spring in the cylinder hole, the both ends fixedly connected with sliding plate of spring, one side that the spring was kept away from to the sliding plate offsets with the rolling; the utility model discloses simple structure, through mutually supporting of roll ball and rubber circle, sealed effect is showing, has effectively stopped the emergence of oil leak phenomenon, through the effect of barometer, can look over inside atmospheric pressure often, when having improved operational reliability, makes work efficiency promote greatly again.
Description
Technical Field
The utility model relates to a hydraulic cylinder technical field especially relates to a hydraulic cylinder device of leak protection type.
Background
The hydraulic oil cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion or swinging motion, has simple structure and reliable work, can remove a speed reducer when realizing reciprocating motion, has no transmission clearance and moves stably, so the hydraulic oil cylinder is widely applied to hydraulic systems of various machines, and the high-pressure hydraulic oil cylinder is mainly used for movable parts and the like in engineering machinery, is very high in pressure during use and is easy to cause oil leakage and oil leakage problems, the working efficiency of a light hydraulic oil cylinder is reduced, a work place is polluted, a heavy person cannot work normally, and the negative influence on production is great, so the conventional hydraulic oil cylinder needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the oil leakage and oil leakage are easily caused in the prior art and providing a leakage-proof hydraulic oil cylinder device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a leakage-proof hydraulic oil cylinder device comprises a cylinder body, wherein a sliding hole is formed in the cylinder body, an elastic sealing cylinder is arranged on the side wall of the sliding hole, a sliding piston is connected in the elastic sealing cylinder in a sliding mode, a piston rod is arranged on the side wall of the sliding piston, a cylindrical hole is formed in the sliding piston, rolling balls are arranged at two ends of the cylindrical hole and are attached to the elastic sealing cylinder, a spring is arranged in the cylindrical hole, sliding plates are fixedly connected to two ends of the spring, one side, away from the spring, of each sliding plate abuts against the corresponding rolling ball, a cylinder cover and a cylinder tail are arranged at two ends of the cylinder body respectively, a rubber ring is arranged in the cylinder cover and is attached to the piston rod, an annular iron sheet is arranged at one end, away from the piston rod, of the rubber ring is provided with a second threaded hole, and a sealing, the sealing screw is abutted to the annular iron sheet.
Preferably, the cylinder cover and the cylinder tail are both provided with first threaded holes, and fastening bolts are connected to the first threaded holes in an internal thread mode.
Preferably, the fastening bolt is sleeved with an anti-skid gasket, and the anti-skid gasket is attached to the side wall of the cylinder body.
Preferably, a first rubber pad is arranged between the cylinder cover and the cylinder body, a second rubber pad is arranged between the cylinder tail and the cylinder body, and a dust guard matched with the piston rod is arranged on the cylinder cover.
Preferably, a second oil inlet hole is formed in the cylinder body, and a second one-way valve is arranged in the second oil inlet hole.
Preferably, the lateral wall of cylinder body is equipped with the circular port, the one end that the cylinder body was kept away from to the circular port is equipped with the barometer.
Preferably, the two sides of the sliding plate are rotatably connected with rolling shafts, and the rolling shafts roll in the cylindrical holes.
Compared with the prior art, the utility model provides a hydraulic cylinder device of leak protection type possesses following beneficial effect:
1. when the leakproof hydraulic oil cylinder device is used, a combustion oil body enters the sliding hole from the second oil inlet hole, the piston rod pushes the sliding piston to reciprocate in the sliding hole, so that the piston works circularly, when the sliding piston moves in the sliding hole, the spring pushes the sliding plate to move towards two sides of the cylindrical hole, the sliding plate pushes the rolling ball to move, so that the rolling ball is tightly attached to the elastic sealing cylinder, a concave shape is extruded out of the elastic sealing cylinder at any time, a sealing effect is achieved, meanwhile, the rubber ring is tightly attached to the piston rod, oil leakage from a gap between the piston rod and a cylinder cover when the piston rod reciprocates left and right is further prevented, when the abrasion of the rubber ring is increased after long-time use, the sealing screw rod is rotated, the sealing screw rod moves towards the piston rod under the action of the second threaded hole, the sealing screw rod extrudes the annular iron sheet, the annular iron sheet is sunken towards the rubber, the rubber ring is extruded, so that the rubber ring is attached to the piston rod more, the sealing effect is improved, and oil leakage is prevented.
2. This hydraulic cylinder device of leak protection type when using for a long time and making an elastic sealing section of thick bamboo ageing, can take off the fastening bolt of jar tail department, then take off the jar tail, follow the elastic sealing section of thick bamboo and trade, the cylinder body surface is equipped with the barometer, can look over inside atmospheric pressure often, judges its leakproofness.
The device does not relate to the part and all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure, through mutually supporting of roll ball and rubber circle, sealed effect is showing, has effectively stopped the emergence of oil leak phenomenon, through the effect of barometer, can look over inside atmospheric pressure often, when having improved operational reliability, makes work efficiency promote greatly again.
Drawings
Fig. 1 is a schematic structural view of a leak-proof hydraulic cylinder device provided by the present invention;
FIG. 2 is an enlarged view of the portion A of FIG. 1 of a leak-proof hydraulic cylinder apparatus according to the present invention;
fig. 3 is a side view of the cylinder head of the leak-proof hydraulic cylinder device provided by the utility model.
In the figure: 1. a cylinder body; 101. a slide hole; 102. an elastic sealing cylinder; 2. a sliding piston; 201. a cylindrical bore; 3. a spring; 4. a sliding plate; 401. a roller; 5. a rolling ball; 6. a piston rod; 7. a cylinder cover; 701. a first rubber pad; 8. a first threaded hole; 801. fastening a bolt; 802. an anti-slip gasket; 9. an oil inlet hole; 901. a one-way valve; 10. a rubber ring; 1001. an annular iron sheet; 11. a second threaded hole; 1101. sealing the screw rod; 12. a dust-proof plate; 13. a circular hole; 1301. a barometer; 14. a second rubber pad; 15. and (4) a cylinder tail.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, a leakage-proof hydraulic cylinder device comprises a cylinder body 1, a sliding hole 101 is arranged inside the cylinder body 1, an elastic sealing cylinder 102 is arranged on the side wall of the sliding hole 101, a sliding piston 2 is slidably connected in the elastic sealing cylinder 102, a piston rod 6 is arranged on the side wall of the sliding piston 2, a cylindrical hole 201 is arranged on the sliding piston 2, rolling balls 5 are arranged at two ends of the cylindrical hole 201, the rolling balls 5 are attached to the elastic sealing cylinder 102, a spring 3 is arranged in the cylindrical hole 201, a sliding plate 4 is fixedly connected to two ends of the spring 3, one side of the sliding plate 4, far away from the spring 3, is abutted to the rolling balls 5, a cylinder cover 7 and a cylinder tail 15 are respectively arranged at two ends of the cylinder body 1, a rubber ring 10 is arranged in the cylinder cover 7, the rubber ring 10 is attached to the piston rod 6, an annular iron sheet 1001 is arranged at one end of the rubber ring 10, the seal screw 1101 abuts against the annular iron piece 1001.
All be equipped with first screw hole 8 on cylinder cap 7 and the jar tail 15, first screw hole 8 female connection has fastening bolt 801.
The fastening bolt 801 is sleeved with an anti-skid gasket 802, and the anti-skid gasket 802 is attached to the side wall of the cylinder body 1.
A first rubber pad 701 is arranged between the cylinder cover 7 and the cylinder body 1, a second rubber pad 14 is arranged between the cylinder tail 15 and the cylinder body 1, and a dust guard 12 matched with the piston rod 6 is arranged on the cylinder cover 7.
A second oil inlet hole 9 is formed in the cylinder body 1, and a second check valve 901 is arranged in the second oil inlet hole 9.
The lateral wall of cylinder body 1 is equipped with circular port 13, and the one end that the cylinder body 1 was kept away from to circular port 13 is equipped with barometer 1301.
Both sides of the sliding plate 4 are rotatably connected with rollers 401, and the rollers 401 roll in the cylindrical holes 201.
In the utility model, when in use, the burning oil body enters the sliding hole 101 from the second oil inlet 9, the piston rod 6 pushes the sliding piston 2 to reciprocate in the sliding hole 101, so as to work circularly, when the sliding piston 2 moves in the sliding hole 101, the spring 3 pushes the sliding plate 4 to move towards the two sides of the cylindrical hole 201, the sliding plate 4 pushes the rolling ball 5 to move, so that the rolling ball 5 is tightly attached to the elastic sealing cylinder 102, a concave shape is extruded from time to time on the elastic sealing cylinder 102, so as to achieve the sealing effect, meanwhile, the rubber ring 10 is tightly attached to the piston rod 6, further, when the piston rod 6 reciprocates left and right, oil leakage from the gap between the piston rod 6 and the cylinder cover 7 is prevented, when the rubber ring 10 is worn and enlarged for a long time, the sealing screw 1101 is rotated, the sealing screw 1101 moves towards the direction of the piston rod 6 under the action of the second threaded hole 11, the sealing screw 1101 extrudes the annular, annular iron sheet 1001 receives sealing screw 1101 extrusion to sunken to rubber ring 10 direction, extrudees rubber ring 10, makes rubber ring 10 paste with piston rod 6 more mutually, promotes sealed effect, prevents the oil leak.
When the elastic sealing cylinder 102 is aged after long-term use, the fastening bolt 801 at the cylinder tail 15 can be taken down, then the cylinder tail 15 is taken down, the elastic sealing cylinder 102 is replaced, the air pressure gauge 1301 is arranged on the surface of the cylinder body 1, and the internal air pressure can be checked at any time to judge the sealing performance.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A leakage-proof hydraulic oil cylinder device comprises a cylinder body (1) and is characterized in that a sliding hole (101) is formed in the cylinder body (1), an elastic sealing cylinder (102) is arranged on the side wall of the sliding hole (101), a sliding piston (2) is connected in the elastic sealing cylinder (102) in a sliding mode, a piston rod (6) is arranged on the side wall of the sliding piston (2), a cylindrical hole (201) is formed in the sliding piston (2), rolling balls (5) are arranged at two ends of the cylindrical hole (201), the rolling balls (5) are attached to the elastic sealing cylinder (102), a spring (3) is arranged in the cylindrical hole (201), sliding plates (4) are fixedly connected to two ends of the spring (3), one side, far away from the spring (3), of each sliding plate (4) is abutted to the corresponding rolling ball (5), a cylinder cover (7) and a cylinder tail (15) are arranged at two ends of the cylinder body (1) respectively, be equipped with rubber circle (10) in cylinder cap (7), rubber circle (10) pastes with piston rod (6) mutually, the one end that piston rod (6) were kept away from in rubber circle (10) is equipped with annular iron sheet (1001), still be equipped with second screw hole (11) on cylinder cap (7), second screw hole (11) female connection has sealing screw (1101), sealing screw (1101) offset with annular iron sheet (1001).
2. A leak-proof hydraulic cylinder device according to claim 1, characterized in that the cylinder head (7) and the cylinder tail (15) are provided with first threaded holes (8), and the first threaded holes (8) are internally threaded with fastening bolts (801).
3. A leak-proof hydraulic cylinder device according to claim 2, characterized in that the fastening bolt (801) is sleeved with a non-slip gasket (802), and the non-slip gasket (802) is attached to the side wall of the cylinder body (1).
4. A leak-proof hydraulic cylinder device according to claim 1, characterized in that a first rubber pad (701) is arranged between the cylinder cover (7) and the cylinder body (1), a second rubber pad (14) is arranged between the cylinder tail (15) and the cylinder body (1), and a dust-proof plate (12) which is matched with the piston rod (6) is arranged on the cylinder cover (7).
5. A leak-proof hydraulic cylinder device according to claim 1, characterized in that said cylinder body (1) is provided with a second oil inlet hole (9), and said second oil inlet hole (9) is provided with a second one-way valve (901).
6. A leak-proof hydraulic ram device according to claim 1, characterized in that the side wall of the cylinder body (1) is provided with a circular hole (13), and the end of the circular hole (13) far away from the cylinder body (1) is provided with a barometer (1301).
7. A leak-proof hydraulic ram device according to claim 1, characterised in that rollers (401) are rotatably connected to both sides of the slide plate (4), said rollers (401) rolling in the cylindrical holes (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020478531.2U CN211820190U (en) | 2020-04-03 | 2020-04-03 | Hydraulic cylinder device of leak protection type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020478531.2U CN211820190U (en) | 2020-04-03 | 2020-04-03 | Hydraulic cylinder device of leak protection type |
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| Publication Number | Publication Date |
|---|---|
| CN211820190U true CN211820190U (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020478531.2U Active CN211820190U (en) | 2020-04-03 | 2020-04-03 | Hydraulic cylinder device of leak protection type |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113623286A (en) * | 2021-07-21 | 2021-11-09 | 孙全胜 | Sealed hydraulic oil cylinder |
| CN114526277A (en) * | 2022-04-24 | 2022-05-24 | 徐州强宏液压科技有限公司 | Hydraulic cylinder capable of detecting liquid leakage |
-
2020
- 2020-04-03 CN CN202020478531.2U patent/CN211820190U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113623286A (en) * | 2021-07-21 | 2021-11-09 | 孙全胜 | Sealed hydraulic oil cylinder |
| CN114526277A (en) * | 2022-04-24 | 2022-05-24 | 徐州强宏液压科技有限公司 | Hydraulic cylinder capable of detecting liquid leakage |
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