CN213235618U - Super wear-resisting leak-proof hydraulic oil cylinder - Google Patents
Super wear-resisting leak-proof hydraulic oil cylinder Download PDFInfo
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- CN213235618U CN213235618U CN202021239507.XU CN202021239507U CN213235618U CN 213235618 U CN213235618 U CN 213235618U CN 202021239507 U CN202021239507 U CN 202021239507U CN 213235618 U CN213235618 U CN 213235618U
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- 239000010720 hydraulic oil Substances 0.000 title claims description 26
- 238000007789 sealing Methods 0.000 claims abstract description 119
- 239000000919 ceramic Substances 0.000 claims abstract description 7
- 239000003921 oil Substances 0.000 claims description 99
- 210000004907 gland Anatomy 0.000 claims description 4
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 1
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Abstract
The utility model discloses a super wear-resisting leak protection hydraulic cylinder, include: the cylinder body and the guide sleeve are connected through a locking screw, a first sealing washer is arranged between the cylinder body and the guide sleeve, ceramic wear-resistant layers are arranged on the inner walls of the cylinder body and the guide sleeve respectively, a piston matched with the cylinder body is arranged in the cylinder body in a sliding mode, a first oil inlet and outlet cavity is formed in the cylinder body on one side of the piston, a first oil inlet and outlet opening communicated with the first oil inlet and outlet cavity is formed in the upper end of the cylinder body on one side of the piston, a second oil inlet and outlet cavity is formed in the cylinder body on the other side of the piston, a second oil inlet and outlet opening communicated with the second oil inlet and outlet cavity is formed in the upper end of the cylinder body on the other side of the piston, and a piston rod matched with the piston rod.
Description
Technical Field
The utility model relates to a hydraulic equipment especially relates to a super wear-resisting leak protection hydraulic cylinder.
Background
The hydraulic oil cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and makes linear reciprocating motion. The reciprocating motion device has simple structure and reliable work, can avoid a speed reducer when the reciprocating motion is realized, has no transmission clearance, and moves stably, thereby being widely applied to hydraulic systems of various machines. The piston in the hydraulic oil cylinder rubs with the cylinder body for a long time, and the piston can drive the piston rod to rub with the guide sleeve synchronously, so that the cylinder body and the guide sleeve of the conventional hydraulic oil cylinder are not wear-resistant and have short service life.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: provides the super wear-resistant leakage-proof hydraulic oil cylinder with good use effect.
In order to solve the technical problem, the utility model discloses a technical scheme is: super wear-resisting leak protection hydraulic cylinder includes: the cylinder body and the guide sleeve are connected through a locking screw, a first sealing washer is arranged between the cylinder body and the guide sleeve, ceramic wear-resistant layers are respectively arranged on the inner walls of the cylinder body and the guide sleeve, a piston matched with the cylinder body is arranged in the cylinder body in a sliding manner, a first oil inlet and outlet cavity is arranged in the cylinder body on one side of the piston, a first oil inlet and outlet opening communicated with the first oil inlet and outlet cavity is formed in the upper end of the cylinder body on one side of the piston, a second oil inlet and outlet opening is formed in the cylinder body on the other side of the piston, a second oil inlet and outlet opening communicated with the second oil inlet and outlet cavity is formed in the upper end of the cylinder body on the other side of the piston, a piston rod matched with the guide sleeve is arranged in the guide sleeve in a sliding manner, one end of the piston rod extending into the first oil inlet and outlet cavity is, the middle sealing ring groove is internally provided with a middle annular sealing ring which is mutually matched with the cylinder body, a first sealing ring groove is arranged on the piston which is close to one side of a first oil inlet and outlet cavity of the middle sealing ring groove, a first annular sealing ring which is mutually matched with the cylinder body is arranged in the first sealing ring groove, a first oil inlet channel is arranged on one side of the piston which is close to the first oil inlet and outlet cavity, the first oil inlet channel is mutually communicated with the first oil inlet and outlet cavity and the first sealing ring groove, a second sealing ring groove is arranged on the piston which is close to the other side of a second oil inlet and outlet cavity of the middle sealing ring groove, a second annular sealing ring which is mutually matched with the cylinder body is arranged in the second sealing ring groove, a second oil inlet channel is arranged on the other side of the piston which is close to the second oil inlet and outlet cavity, and the second oil, the sealing washer is characterized in that a pressure cavity is arranged in the guide sleeve on one side of the sealing washer, a plurality of third oil inlet channels are uniformly arranged on one side of the guide sleeve, which is close to the first oil inlet and outlet cavity, the third oil inlet channels are communicated with the first oil inlet and outlet cavity and the pressure cavity, a third sealing ring groove is arranged in the guide sleeve, a third annular sealing ring which is matched with the piston rod is arranged in the third sealing ring groove, a sliding cavity is respectively arranged between the third oil inlet channels and the third sealing ring groove, one end of the sliding cavity is communicated with the third oil inlet channels, the other end of the sliding cavity is communicated with the third sealing ring groove, one end of the sliding cavity, which is close to the third oil inlet channels, is provided with a limiting hollow gland, a sliding block which is matched with the sliding cavity is arranged in the sliding cavity in a sliding mode, and a spring is arranged in the sliding cavity between the sliding block, the one end and the slider counterbalance of spring, the other end and the third ring type seal of spring offset the sealed annular of third is provided with the sealed annular of fourth in keeping away from the uide bushing of first business turn over oil pocket one side be provided with fourth ring type seal in the sealed annular of fourth the inboard of fourth ring type seal evenly is provided with a plurality of interior annular seal feet that offset with the piston rod the outside of fourth ring type seal evenly is provided with a plurality of outer annular seal feet that offset with the uide bushing be provided with the inflation chamber in the fourth ring type seal be provided with the charging connector that communicates each other with the inflation chamber on the uide bushing be provided with the inflation end cap on the charging connector.
In order to better solve the technical problem, the utility model discloses a further technical scheme is: and a second sealing washer is arranged between the sliding block and the guide sleeve.
The utility model has the advantages that: above-mentioned super wear-resisting leak protection hydraulic cylinder, hydraulic cylinder's cylinder body inner wall and uide bushing inner wall set up the ceramic wearing layer respectively, can greatly increase the coefficient of wear resistance of cylinder body inner wall and uide bushing inner wall, extension hydraulic cylinder's life, simultaneously, utilize the self pressure of hydraulic oil to the sealing washer between piston and the cylinder body, seal ring between cylinder body and the uide bushing, sealing washer between uide bushing and the piston rod realizes from compressing tightly, still realize sealing once more through a plurality of annular seal feet of inflatable seal circle between uide bushing and the piston rod, sealing once more is multiple seal structure, can prevent effectively that hydraulic cylinder from taking place hydraulic oil seepage phenomenon, guarantee the cleanness of ground environment and the stability of work, excellent in use effect.
Drawings
Fig. 1 is the structural schematic diagram of the super wear-resistant leak-proof hydraulic oil cylinder of the utility model.
Fig. 2 is a schematic sectional structure view of a-a in fig. 1.
Fig. 3 is an enlarged schematic view of a portion B in fig. 1.
In the figure: 1. the cylinder body, 2, a guide sleeve, 3, a locking screw, 4, a first sealing washer, 5, a ceramic wear-resistant layer, 6, a piston, 7, a first oil inlet and outlet chamber, 8, a first oil inlet and outlet port, 9, a second oil inlet and outlet chamber, 10, a second oil inlet and outlet port, 11, a piston rod, 12, a middle sealing ring groove, 13, a middle annular sealing ring, 14, a first sealing ring groove, 15, a first annular sealing ring, 16, a first oil inlet channel, 17, a second sealing ring groove, 18, a second annular sealing ring, 19, a second oil inlet channel, 20, a pressure cavity, 21, a third oil inlet channel, 22, a third sealing ring groove, 23, a third annular sealing ring, 24, a sliding cavity, 25, a limiting hollow gland, 26, a sliding block, 27, a spring, 28, a fourth sealing ring groove, 29, a fourth annular sealing ring, 30, an inner annular sealing pin, 31, an outer annular sealing pin, 32 and an inflation chamber, 33. an inflating nozzle 34, an inflating plug 35 and a second sealing washer.
Detailed Description
The following detailed description of the present invention will be made in conjunction with the accompanying drawings and specific embodiments.
As shown in fig. 1, 2 and 3, the super wear-resistant and leak-proof hydraulic oil cylinder comprises: the cylinder comprises a cylinder body 1 and a guide sleeve 2, wherein the cylinder body 1 and the guide sleeve 2 are connected through a locking screw 3, a first sealing washer 4 is arranged between the cylinder body 1 and the guide sleeve 2, the inner walls of the cylinder body 1 and the guide sleeve 2 are respectively provided with a ceramic wear-resistant layer 5, a piston 6 matched with the cylinder body 1 is arranged in the cylinder body 1 in a sliding manner, a first oil inlet and outlet cavity 7 is arranged in the cylinder body 1 on one side of the piston 6, a first oil inlet and outlet port 8 communicated with the first oil inlet and outlet cavity 7 is arranged at the upper end of the cylinder body 1 on one side of the piston 6, a second oil inlet and outlet cavity 9 is arranged in the cylinder body 1 on the other side of the piston 6, a second oil inlet and outlet port 10 communicated with the second oil inlet and outlet cavity 9 is arranged at the upper end of the cylinder body 1 on the other side of the piston, the piston rod 11 stretches into one end in the first oil inlet and outlet chamber 7 and is connected with the piston 6, a middle sealing ring groove 12 is arranged in the middle of the piston 6, a middle annular sealing ring 13 matched with the cylinder body 1 is arranged in the middle sealing ring groove 12, a first sealing ring groove 14 is arranged on the piston 6, which is close to one side of the first oil inlet and outlet chamber 7, of the middle sealing ring groove 12, a first annular sealing ring 15 matched with the cylinder body 1 is arranged in the first sealing ring groove 14, a first oil inlet channel 16 is arranged on one side, close to the first oil inlet and outlet chamber 7, of the piston 6, the first oil inlet channel 16 is communicated with the first oil inlet and outlet chamber 7 and the first sealing ring groove 14, a second sealing ring groove 17 is arranged on the piston 6, which is close to the other side of the second oil inlet and outlet chamber 9, a second annular sealing ring 18 matched with the cylinder body 1 is arranged in the second sealing ring groove 17, the piston 6 is provided with a second oil inlet channel 19 close to the other side of the second oil inlet and outlet cavity 9, the second oil inlet channel 19 is communicated with the second oil inlet and outlet cavity 9 and a second sealing ring groove 17, a pressure cavity 20 is arranged in the guide sleeve 2 on one side of the sealing washer 4, one side of the guide sleeve 2 close to the first oil inlet and outlet cavity 7 is uniformly provided with a plurality of third oil inlet channels 21, the third oil inlet channels 21 are communicated with the first oil inlet and outlet cavity 7 and the pressure cavity 20, a third sealing ring groove 22 is arranged in the guide sleeve 2, a third annular sealing ring 23 matched with the piston rod 11 is arranged in the third sealing ring groove 22, a sliding cavity 24 is respectively arranged between the third oil inlet channels 21 and the third sealing ring groove 22, one end of the sliding cavity 24 is communicated with the third oil inlet channel 21, and the other end of the sliding cavity 24 is communicated with the third sealing ring groove 22, one end of the sliding cavity 24 close to the third oil inlet channel 21 is provided with a limiting hollow gland 25, the sliding cavity 24 is slidably provided with a sliding block 26 matched with the sliding cavity, a spring 27 is arranged in the sliding cavity 24 between the sliding block 26 and the third sealing ring groove 22, one end of the spring 27 is abutted against the sliding block 26, the other end of the spring 27 is abutted against a third annular sealing ring 23, the third sealing ring groove 22 is provided with a fourth sealing ring groove 28 in the guide sleeve 2 far away from one side of the first oil inlet and outlet cavity 7, the fourth sealing ring groove 28 is provided with a fourth annular sealing ring 29, the inner side of the fourth annular sealing ring 29 is uniformly provided with a plurality of inner annular sealing feet 30 abutted against the piston rod 11, the outer side of the fourth annular sealing ring 29 is uniformly provided with a plurality of outer annular sealing feet 31 abutted against the guide sleeve 2, and an inflation cavity 32 is arranged in the fourth annular sealing ring 29, an inflation nozzle 33 communicated with the inflation cavity 32 is arranged on the guide sleeve 2, and an inflation plug 34 is arranged on the inflation nozzle 33.
As shown in fig. 1 and 2, in this example, a second sealing washer 35 is provided between the slider 26 and the guide sleeve 2.
When the hydraulic cylinder is used, hydraulic oil enters the first oil inlet and outlet cavity 7 from the first oil inlet and outlet port 8 to push the piston 6 to slide leftwards in the cylinder body 1, the piston 6 drives the piston rod 11 to slide leftwards in the guide sleeve 2, the hydraulic oil in the second oil inlet and outlet cavity 9 is discharged from the second oil inlet and outlet port 10, and at the moment, the pressure of the hydraulic oil in the first oil inlet and outlet cavity 7 is greater than the pressure in the second oil inlet and outlet cavity 9; on the contrary, the piston 6 slides to the right in the cylinder body 1, the piston 6 drives the piston rod 11 to slide to the right in the guide sleeve 2, at the moment, the first oil inlet/outlet port 8 discharges oil, the second oil inlet/outlet port 10 feeds oil, and the pressure of the hydraulic oil in the first oil inlet/outlet cavity 7 is smaller than the pressure in the second oil inlet/outlet cavity 9; the hydraulic oil in the first oil inlet and outlet chamber 7 also enters the first oil inlet channel 16 and the third oil inlet channel 21 respectively, the hydraulic oil in the first oil inlet channel 16 enters the first sealing ring groove 14 to extrude the first annular sealing ring 15, so that the first annular sealing ring 15 can move along the inner wall of the cylinder body 1 in a clinging manner, the hydraulic oil in the second oil inlet channel 21 enters the pressure chamber 20 and the plurality of sliding chambers 24 respectively, the hydraulic oil entering the pressure chamber 20 has certain extrusion force on the first sealing ring 4 to prevent the hydraulic oil from leaking from the joint of the cylinder body 1 and the guide sleeve 2, the hydraulic oil entering the sliding chambers 24 pushes the sliding block 26 to move along the direction of the guide sleeve 2 in the sliding chambers 24 and extrude the spring 27, the spring 27 compresses to apply pressure on the third annular sealing ring 23 to cling to the piston rod 11 to prevent the hydraulic oil from leaking from between the guide sleeve 2 and the piston rod 11, and the spring 27 has certain telescopic effect, the locking phenomenon caused by the fact that the third annular sealing ring 23 is tightly attached to the piston rod 11 is prevented; hydraulic oil in the second oil inlet and outlet cavity 9 enters the second sealing ring groove 17 through the second oil inlet channel 19 to extrude the second annular sealing ring 18, so that the second annular sealing ring 18 can move close to the inner wall of the cylinder body 1; the inflation plug 24 is opened, the inflation nozzle 33 inflates air into the inflation cavity 32 to enable the fourth annular sealing ring 29 to expand to a certain degree, compressed air in the inflation cavity 32 pushes the inner annular sealing feet 30 to be attached to the piston rod 11, compressed air in the inflation cavity 32 also pushes the outer annular sealing feet 31 to be attached to the guide sleeve 2, and leakage of hydraulic oil between the guide sleeve 2 and the piston rod 11 can be prevented for multiple times.
Above-mentioned super wear-resisting leak protection hydraulic cylinder, hydraulic cylinder's cylinder body inner wall and uide bushing inner wall set up the ceramic wearing layer respectively, can greatly increase the coefficient of wear resistance of cylinder body inner wall and uide bushing inner wall, extension hydraulic cylinder's life, simultaneously, utilize the self pressure of hydraulic oil to the sealing washer between piston and the cylinder body, seal ring between cylinder body and the uide bushing, sealing washer between uide bushing and the piston rod realizes from compressing tightly, still realize sealing once more through a plurality of annular seal feet of inflatable seal circle between uide bushing and the piston rod, sealing once more is multiple seal structure, can prevent effectively that hydraulic cylinder from taking place hydraulic oil seepage phenomenon, guarantee the cleanness of ground environment and the stability of work, excellent in use effect.
Claims (2)
1. Super wear-resisting leak protection hydraulic cylinder, its characterized in that: the method comprises the following steps: the cylinder body (1) and the guide sleeve (2) are connected through a locking screw (3), a first sealing washer (4) is arranged between the cylinder body (1) and the guide sleeve (2), the inner walls of the cylinder body (1) and the guide sleeve (2) are respectively provided with a ceramic wear-resistant layer (5), a piston (6) matched with the cylinder body (1) is arranged in the cylinder body (1) in a sliding manner, a first oil inlet and outlet cavity (7) is arranged in the cylinder body (1) on one side of the piston (6), a first oil inlet and outlet opening (8) communicated with the first oil inlet and outlet cavity (7) is arranged at the upper end of the cylinder body (1) on one side of the piston (6), a second oil inlet and outlet opening (9) communicated with the second oil inlet and outlet cavity (9) is arranged in the cylinder body (1) on the other side of the piston (6), the piston rod (11) which is matched with the guide sleeve is arranged in the guide sleeve (2) in a sliding mode, one end, extending into the first oil inlet and outlet cavity (7), of the piston rod (11) is connected with the piston (6), a middle sealing ring groove (12) is arranged in the middle of the piston (6), a middle annular sealing ring (13) which is matched with the cylinder body (1) is arranged in the middle sealing ring groove (12), a first sealing ring groove (14) is arranged on the piston (6) on one side, close to the first oil inlet and outlet cavity (7), of the middle sealing ring groove (12), a first annular sealing ring (15) which is matched with the cylinder body (1) is arranged in the first sealing ring groove (14), a first oil inlet channel (16) is arranged on one side, close to the first oil inlet and outlet cavity (7), of the piston (6), and the first oil inlet channel (16) is communicated with the first oil inlet and outlet sealing cavity (7) and the first sealing ring groove (14, the middle sealing ring groove (12) is provided with a second sealing ring groove (17) on a piston (6) close to the other side of a second oil inlet and outlet cavity (9), a second ring-shaped sealing ring (18) matched with a cylinder body (1) is arranged in the second sealing ring groove (17), a second oil inlet channel (19) is arranged on the other side of the piston (6) close to the second oil inlet and outlet cavity (9), the second oil inlet channel (19) is communicated with the second oil inlet and outlet cavity (9) and the second sealing ring groove (17), a pressure cavity (20) is arranged in a guide sleeve (2) on one side of a sealing washer (4), a plurality of third oil inlet channels (21) are uniformly arranged on one side of the guide sleeve (2) close to the first oil inlet and outlet cavity (7), and the third oil inlet channels (21) are communicated with the first oil inlet and outlet cavity (7) and the pressure cavity (20), a third sealing ring groove (22) is arranged in the guide sleeve (2), a third annular sealing ring (23) which is matched with the piston rod (11) is arranged in the third sealing ring groove (22), a sliding cavity (24) is respectively arranged between the third oil inlet channel (21) and the third sealing ring groove (22), one end of the sliding cavity (24) is communicated with the third oil inlet channel (21), the other end of the sliding cavity (24) is communicated with the third sealing ring groove (22), a limiting hollow gland (25) is arranged at one end, close to the third oil inlet channel (21), of the sliding cavity (24), a sliding block (26) which is matched with the sliding cavity (24) is arranged in the sliding cavity in a sliding mode, a spring (27) is arranged in the sliding cavity (24) between the sliding block (26) and the third sealing ring groove (22), one end of the spring (27) is abutted against the sliding block (26), the other end of the spring (27) is propped against a third annular sealing ring (23), a fourth sealing ring groove (28) is arranged in the guide sleeve (2) at one side of the third sealing ring groove (22) far away from the first oil inlet and outlet cavity (7), a fourth annular sealing ring (29) is arranged in the fourth sealing ring groove (28), a plurality of inner annular sealing feet (30) which are abutted against the piston rod (11) are uniformly arranged on the inner side of the fourth annular sealing ring (29), a plurality of outer annular sealing feet (31) which are abutted against the guide sleeve (2) are uniformly arranged on the outer side of the fourth annular sealing ring (29), an inflation cavity (32) is arranged in the fourth annular sealing ring (29), an inflation nozzle (33) communicated with the inflation cavity (32) is arranged on the guide sleeve (2), and an inflation plug (34) is arranged on the inflation nozzle (33).
2. The ultra-wear-resistant leakproof hydraulic oil cylinder as claimed in claim 1, wherein: and a second sealing washer (35) is arranged between the sliding block (26) and the guide sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021239507.XU CN213235618U (en) | 2020-06-30 | 2020-06-30 | Super wear-resisting leak-proof hydraulic oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021239507.XU CN213235618U (en) | 2020-06-30 | 2020-06-30 | Super wear-resisting leak-proof hydraulic oil cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN213235618U true CN213235618U (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021239507.XU Active CN213235618U (en) | 2020-06-30 | 2020-06-30 | Super wear-resisting leak-proof hydraulic oil cylinder |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113530916A (en) * | 2021-08-25 | 2021-10-22 | 马庆国 | Single-acting supporting hydraulic cylinder |
| CN113530915A (en) * | 2021-08-25 | 2021-10-22 | 马庆国 | Self-locking type single-action hydraulic cylinder |
| CN113565830A (en) * | 2021-08-25 | 2021-10-29 | 马庆国 | Single-acting hydraulic cylinder |
| CN115711304A (en) * | 2023-01-06 | 2023-02-24 | 蓝帕控制阀门(江苏)有限公司 | Pneumatic V-shaped ball valve |
| CN118728680A (en) * | 2024-09-04 | 2024-10-01 | 衡阳阳光陶瓷有限公司 | A ceramic plunger machine |
| CN119860465A (en) * | 2025-03-21 | 2025-04-22 | 乐清博天气动科技有限公司 | A kind of anti-fall pneumatic joint |
-
2020
- 2020-06-30 CN CN202021239507.XU patent/CN213235618U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113530916A (en) * | 2021-08-25 | 2021-10-22 | 马庆国 | Single-acting supporting hydraulic cylinder |
| CN113530915A (en) * | 2021-08-25 | 2021-10-22 | 马庆国 | Self-locking type single-action hydraulic cylinder |
| CN113565830A (en) * | 2021-08-25 | 2021-10-29 | 马庆国 | Single-acting hydraulic cylinder |
| CN113565830B (en) * | 2021-08-25 | 2023-09-19 | 重庆众颖熙科技有限公司 | Single-acting hydraulic cylinder |
| CN115711304A (en) * | 2023-01-06 | 2023-02-24 | 蓝帕控制阀门(江苏)有限公司 | Pneumatic V-shaped ball valve |
| CN118728680A (en) * | 2024-09-04 | 2024-10-01 | 衡阳阳光陶瓷有限公司 | A ceramic plunger machine |
| CN119860465A (en) * | 2025-03-21 | 2025-04-22 | 乐清博天气动科技有限公司 | A kind of anti-fall pneumatic joint |
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