CN219529451U - High-pressure-resistant hydraulic cylinder body sealing structure - Google Patents
High-pressure-resistant hydraulic cylinder body sealing structure Download PDFInfo
- Publication number
- CN219529451U CN219529451U CN202320528817.0U CN202320528817U CN219529451U CN 219529451 U CN219529451 U CN 219529451U CN 202320528817 U CN202320528817 U CN 202320528817U CN 219529451 U CN219529451 U CN 219529451U
- Authority
- CN
- China
- Prior art keywords
- end cover
- cylinder body
- fixedly connected
- limiting block
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Actuator (AREA)
Abstract
The utility model belongs to the technical field of hydraulic cylinders, in particular to a high-pressure-resistant hydraulic cylinder body sealing structure, which comprises: the lower end part of the end cover is fixedly connected with two springs, the lower end part of the springs is fixedly connected with a limiting plate, the lower end part of the end cover is positioned at the outer side of the springs and is fixedly connected with a first limiting block, and the upper end part of the limiting plate is positioned at the outer side of the springs and is fixedly connected with a second limiting block; the first limiting block is matched with the second limiting block; the edge of the lower end part of the end cover is provided with a groove, and the side end surface of the end cover is provided with a plurality of first threaded holes at the groove; the upper end part of the cylinder body is fixedly connected with a convex block, and a plurality of second threaded holes are formed in the side ends of the convex block; the end cover is fixed with the cylinder body through screws; the limiting plate that the end cover lower extreme set up can slow down the impact force of piston to the end cover to transversely run through the junction of end cover and cylinder body through the screw, make whole cylinder body structure can not make the junction of end cover and cylinder body appear not hard up because of the impact of piston.
Description
Technical Field
The utility model belongs to the technical field of hydraulic cylinders, and particularly relates to a cylinder body sealing structure of a high-pressure-resistant hydraulic cylinder.
Background
The sealing structure in the hydraulic cylinder is mainly used for preventing leakage (internal leakage and external leakage) of working medium and preventing external foreign matters (such as air, dust, water and the like) from entering the hydraulic element and the hydraulic system. The end face seal of the traditional hydraulic cylinder is usually sealed by an end cover, the end cover is provided with threads, and the end cover and the hydraulic cylinder body are screwed through threaded fit.
But the pneumatic cylinder is in the use, and when the piston rod possesses very big kinetic energy and moves in the cylinder body, the piston can produce very big impact force to the end cover, and the time has been for a long time can make the end cover appear not hard up with the connection of cylinder body to make the working medium in the cylinder body leak, the working medium leak can not only cause the pollution, still can cause certain economic loss. Therefore, we propose a high pressure resistant hydraulic cylinder block sealing structure.
Disclosure of Invention
To the not enough of prior art, the aim at of this disclosure provides a high pressure resistant pneumatic cylinder body seal structure, and the device not only can effectually alleviate the impact force of piston to the end cover, and the connection of end cover and cylinder body is firm moreover, can not make the junction of end cover and cylinder body appear not hard up because of the impact that the piston produced the end cover, makes the working medium in the cylinder body leak and causes the pollution.
The purpose of the disclosure can be achieved by the following technical scheme:
a high pressure resistant hydraulic cylinder block seal structure comprising:
the lower end part of the end cover is fixedly connected with two springs, the lower end part of the springs is fixedly connected with a limiting plate, the lower end part of the end cover is positioned at the outer side of the springs and is fixedly connected with a first limiting block, and the upper end part of the limiting plate is positioned at the outer side of the springs and is fixedly connected with a second limiting block; the first limiting block and the second limiting block are matched; a groove is formed in the edge of the lower end part of the end cover, and a plurality of first threaded holes are formed in the side end face of the end cover, which is located at the groove;
the cylinder body is fixedly connected with a protruding block at the upper end part of the cylinder body, and a plurality of second threaded holes are formed in the side ends of the protruding block;
the end cover and the cylinder body are fixed by transversely penetrating through the joint of the end cover and the cylinder body through screws.
Based on the technical scheme, the application principle and the generated technical effects are as follows:
the device is through setting up first stopper, second stopper, spring and limiting plate at the lower tip of end cover and come the impact force to the piston to the end cover buffering to set up the recess at the lower tip of end cover, set up the protruding piece with recess looks adaptation at the upper end of cylinder body, fix through the junction of screw transverse cross end cover and cylinder body, whole cylinder body structure is firm, and the leakproofness is good, can not appear becoming flexible because of the impact of piston makes the connection of end cover and cylinder body, effectually prevented that working medium in the cylinder body from leaking and causing the pollution.
Further, a first through hole for the piston rod to pass through is formed in the upper end portion of the end cover, and a second through hole for the piston rod to pass through is formed in the upper end portion of the limiting plate.
Further, the diameter of the second through hole is larger than that of the first through hole, and the diameter of the first through hole is larger than that of the piston rod.
Further, the outside fixedly connected with round sealing washer of first through-hole, the one end and the end cover fixed connection of sealing washer, the one end and the piston rod closely laminating that the end cover was kept away from to the sealing washer.
Further, the number of the first threaded holes is equal to the number of the second threaded holes, the positions of the first threaded holes correspond to the positions of the second threaded holes, and the apertures of the first threaded holes and the second threaded holes are equal.
Further, the end cover and the cylinder body are fixed through a plurality of screws penetrating through the first threaded hole and the second threaded hole.
Further, the outside fixedly connected with slider of first stopper, the spout has been seted up to the inboard of second stopper, spout and slider looks adaptation.
Further, the outer diameter of the first limiting block is equal to the inner diameter of the second limiting block, and the height of the first limiting block is equal to the height of the second limiting block.
Further, a circle of sealing gasket is fixedly connected to the outer side of the end cover at the position of the first threaded hole. The noun, conjunctive or adjective parts referred to in the above technical solutions are explained as follows:
the fixed connection refers to the connection without any relative movement after the parts or components are fixed;
the movable connection means that the connection between the parts can enable the parts to mutually move;
sliding connection means that the connection between the parts allows the parts to slide relative to each other.
The beneficial effects of the present disclosure are: the limiting plate that the end part set up under the device end cover can effectually slow down the impact force of piston to the end cover to transversely run through the junction of end cover and cylinder body through the screw, make whole cylinder body structure can not appear not hard up because of the impact of piston and make the junction of end cover and cylinder body, effectually prevented that working medium in the cylinder body from leaking and causing the pollution.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described, and it will be apparent to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the end cap of an embodiment of the present utility model;
FIG. 3 is a schematic diagram illustrating a second limiting block according to an embodiment of the present utility model;
FIG. 4 is a schematic view of the structure of a cylinder according to an embodiment of the present utility model;
FIG. 5 is a cross-sectional view of an embodiment of the present utility model;
fig. 6 is an enlarged cross-sectional view at a in fig. 5 according to an embodiment of the present utility model.
In the figure: 1. an end cap; 2. a spring; 3. a limiting plate; 4. a first limiting block; 5. a second limiting block; 6. a groove; 7. a first threaded hole; 8. a cylinder; 9. a protruding block; 10. a second threaded hole; 11. a screw; 12. a first through hole; 13. a second through hole; 14. a piston rod; 15. a seal ring; 16. a slide block; 17. a chute; 18. and a sealing gasket.
Detailed Description
The following description of the technical solutions in the embodiments of the present disclosure will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are only some embodiments of the present disclosure, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments in this disclosure without inventive faculty, are intended to fall within the scope of this disclosure.
An embodiment of a high pressure resistant cylinder block seal arrangement according to the present utility model is described herein in connection with fig. 1 to 6. Specifically, this cylinder body seal structure, it has end cover 1, spring 2, limiting plate 3, first stopper 4, second stopper 5, recess 6, a plurality of parts such as first screw hole 7, cylinder body 8, protruding piece 9, second screw hole 10, screw 11, alleviate the impact force of piston to end cover 1 through spring 2 and limiting plate 3, and set up recess 6 at the lower tip of end cover 1, set up the protruding piece 9 with recess 6 looks adaptation at the upper end of cylinder body 8, fix through the junction of screw 11 transversely through end cover 1 and cylinder body 8, whole cylinder body 8 stable in structure, the leakproofness is good, can not appear becoming flexible because of the impact of piston makes the connection of end cover 1 and cylinder body 8, effectually prevent the working medium in the cylinder body 8 to leak and cause the pollution.
A high pressure resistant hydraulic cylinder block seal structure, as shown in fig. 1, 2, 4 and 6, comprising:
the end cover 1, the lower tip of end cover 1 fixedly connected with two springs 2, the lower tip of spring 2 fixedly connected with limiting plate 3, the lower tip of end cover 1 is located the outside fixedly connected with first stopper 4 of spring 2, the upper tip of limiting plate 3 is located the outside fixedly connected with second stopper 5 of spring 2; the first limiting block 4 and the second limiting block 5 are matched; a groove 6 is formed in the edge of the lower end part of the end cover 1, and a plurality of first threaded holes 7 are formed in the side end face of the end cover 1, which is positioned at the groove 6; in the device, the springs 2 and the limiting plates 3 are mainly arranged to relieve the impact of the piston on the end cover 1, the springs 2 can also be arranged into a plurality of groups, the buffering effect of the plurality of groups of springs 2 can be better, and the limiting plates 3 are preferably made of stainless steel materials to prevent the limiting plates 3 from being damaged due to the fact that the limiting plates 3 are impacted by the piston for a plurality of times; the first limiting block 4 and the second limiting block 5 mainly protect the spring 2 and prevent the spring 2 from being excessively extruded for a long time to be damaged, and the first limiting block 4 and the second limiting block 5 can be round or square; the first screw hole 7 and the second screw hole 10 are provided mainly to facilitate the screws 11 to pass through the first screw hole 7 and the second screw hole 10 to fix the head cover 1 and the cylinder 8.
The cylinder body 8, the upper end of the cylinder body 8 is fixedly connected with a protruding block 9, and a plurality of second threaded holes 10 are formed in the side ends of the protruding block 9; the bump 9 must have the same size and shape as the groove 6, and the height of the bump 9 must also be equal to the depth of the groove 6 so that the bump 9 and the groove 6 are fully mated; in order to stabilize the structures of the boss 9 and the cylinder 8, the boss 9 and the cylinder 8 are preferably integrally formed.
The end cover 1 and the cylinder body 8 are fixed by transversely penetrating the joint of the end cover 1 and the cylinder body 8 through the screw 11, and when the screw 11 is used for connecting the end cover 1 and the cylinder body 8, the length of the screw 11 is preferably equal to the thickness of the cylinder body 8. .
Specifically: the device alleviates the impact force of piston to end cover 1 through spring 2 and limiting plate 3 to set up recess 6 at the lower tip of end cover 1, set up the protruding piece 9 with recess 6 looks adaptation in the upper end of cylinder body 8, fix through the junction of screw 11 horizontal through end cover 1 and cylinder body 8, whole cylinder body 8 stable structure, the leakproofness is good, can not appear becoming flexible because of the connection of end cover 1 and cylinder body 8 of the impact of piston, effectually prevented that working medium in the cylinder body 8 from leaking and causing the pollution.
As shown in fig. 2, the upper end of the end cover 1 is provided with a first through hole 12 for the piston rod 14 to pass through, and the upper end of the limiting plate 3 is provided with a second through hole 13 for the piston rod 14 to pass through; the diameter of the second through hole 13 is larger than the diameter of the first through hole 12, and the diameter of the first through hole 12 is larger than the diameter of the piston rod 14; the first through hole 12 and the second through hole 13 are mainly arranged to facilitate the movement of the piston rod 14 within the cylinder 8.
As shown in fig. 1, a circle of sealing ring 15 is fixedly connected to the outer side of the first through hole 12, one end of the sealing ring 15 is fixedly connected with the end cover 1, and one end, far away from the end cover 1, of the sealing ring 15 is tightly attached to the piston rod 14; the sealing ring 15 is arranged to seal the joint of the piston rod 14 and the end cover 1, and prevent the working medium in the cylinder 8 from leaking out of the joint of the piston rod 14 and the end cover 1.
As shown in fig. 2 and 4, the number of the first screw holes 7 is equal to the number of the second screw holes 10, the positions of the first screw holes 7 correspond to the positions of the second screw holes 10, and the apertures of the first screw holes 7 and the second screw holes 10 are equal; the end cover 1 and the cylinder body 8 are fixed through a plurality of screws 11 passing through the first threaded hole 7 and the second threaded hole 10; the first threaded hole 7 and the second threaded hole 10 are mainly arranged to facilitate insertion of the screw 11; so that the screw 11 fixes the head cover 1 and the cylinder 8.
As shown in fig. 2 and 3, the outer side of the first limiting block 4 is fixedly connected with a sliding block 16, the inner side of the second limiting block 5 is provided with a sliding groove 17, and the sliding groove 17 is matched with the sliding block 16; the outer diameter of the first limiting block 4 is equal to the inner diameter of the second limiting block 5, and the height of the first limiting block 4 is equal to the height of the second limiting block 5; the arrangement of the first limiting block 4 and the second limiting block 5 protects the spring 2 and prevents the spring 2 from being excessively extruded for a long time to be damaged.
As shown in fig. 1, a circle of sealing gasket 18 is fixedly connected to the outer side of the end cover 1 at the position of the first threaded hole 7; the sealing gasket 18 is arranged to seal the joint of the screw 11 outside the cylinder 8 and prevent the working medium in the cylinder 8 from leaking out through the first threaded hole 7 and the second threaded hole 10.
The cylinder body sealing structure of the high-pressure-resistant hydraulic cylinder provided by the utility model is further described below with reference to the accompanying drawings and the implementation mode.
A high pressure resistant hydraulic cylinder block seal structure, as shown in fig. 1, 2, 4 and 6, comprising:
the end cover 1, the lower tip of end cover 1 fixedly connected with two springs 2, the lower tip of spring 2 fixedly connected with limiting plate 3, the lower tip of end cover 1 is located the outside fixedly connected with first stopper 4 of spring 2, the upper tip of limiting plate 3 is located the outside fixedly connected with second stopper 5 of spring 2; the first limiting block 4 and the second limiting block 5 are matched; a groove 6 is formed in the edge of the lower end part of the end cover 1, and a plurality of first threaded holes 7 are formed in the side end face of the end cover 1, which is positioned at the groove 6;
the cylinder body 8, the upper end of the cylinder body 8 is fixedly connected with a protruding block 9, and a plurality of second threaded holes 10 are formed in the side ends of the protruding block 9;
the end cover 1 and the cylinder body 8 are fixed by a screw 11 penetrating through the joint of the end cover 1 and the cylinder body 8 transversely.
As shown in fig. 2, the upper end of the end cover 1 is provided with a first through hole 12 for the piston rod 14 to pass through, and the upper end of the limiting plate 3 is provided with a second through hole 13 for the piston rod 14 to pass through; the diameter of the second through hole 13 is larger than the diameter of the first through hole 12, and the diameter of the first through hole 12 is larger than the diameter of the piston rod 14.
As shown in fig. 1, a circle of sealing ring 15 is fixedly connected to the outer side of the first through hole 12, one end of the sealing ring 15 is fixedly connected with the end cover 1, and one end, far away from the end cover 1, of the sealing ring 15 is tightly attached to the piston rod 14.
As shown in fig. 2 and 4, the number of the first screw holes 7 is equal to the number of the second screw holes 10, the positions of the first screw holes 7 correspond to the positions of the second screw holes 10, and the apertures of the first screw holes 7 and the second screw holes 10 are equal; the end cover 1 and the cylinder body 8 are fixed by a plurality of screws 11 penetrating through the first threaded hole 7 and the second threaded hole 10.
As shown in fig. 2 and 3, the outer side of the first limiting block 4 is fixedly connected with a sliding block 16, the inner side of the second limiting block 5 is provided with a sliding groove 17, and the sliding groove 17 is matched with the sliding block 16; the outer diameter of the first limiting block 4 is equal to the inner diameter of the second limiting block 5, and the height of the first limiting block 4 is equal to the height of the second limiting block 5.
As shown in fig. 1, a circle of sealing gasket 18 is fixedly connected to the outer side of the end cover 1 at the position of the first threaded hole 7.
The working principle and the using flow of the utility model are as follows: the device relieves the impact force of the piston on the end cover 1 through the spring 2 and the limiting plate 3, a groove 6 is formed in the lower end part of the end cover 1, a protruding block 9 matched with the groove 6 is arranged at the upper end part of the cylinder body 8, and the device is fixed by transversely penetrating through the joint of the end cover 1 and the cylinder body 8 through a screw 11; when the piston impacts the limiting plate 3 to extrude the spring 2, the first limiting block 4 and the second limiting block 5 can be overlapped together due to the impact of the piston, and the first limiting block 4 and the second limiting block 5 can prevent the spring 2 from being extruded excessively for a long time due to a certain height, so that the spring 2 is prevented from being damaged due to the extrusion excessively; the sealing washer 15 can seal the junction of piston rod 14 and end cover 1, and sealing washer 18 can seal the junction of cylinder body 8 and screw 11, and whole cylinder body 8 structure is firm, and the leakproofness is good, can not make the connection of end cover 1 and cylinder body 8 appear not hard up because of the impact of piston, effectually prevented that the working medium in the cylinder body 8 from leaking and causing the pollution.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features, and advantages of the present disclosure. It will be understood by those skilled in the art that the present disclosure is not limited to the embodiments described above, which have been described in the foregoing and description merely illustrates the principles of the disclosure, and that various changes and modifications may be made therein without departing from the spirit and scope of the disclosure, which is defined in the appended claims.
Claims (9)
1. A high pressure resistant hydraulic cylinder block seal structure, comprising:
the device comprises an end cover (1), wherein two springs (2) are fixedly connected to the lower end part of the end cover (1), a limiting plate (3) is fixedly connected to the lower end part of the springs (2), a first limiting block (4) is fixedly connected to the outer side of the springs (2) at the lower end part of the end cover (1), and a second limiting block (5) is fixedly connected to the outer side of the springs (2) at the upper end part of the limiting plate (3); the first limiting block (4) is matched with the second limiting block (5); a groove (6) is formed in the edge of the lower end part of the end cover (1), and a plurality of first threaded holes (7) are formed in the position, located in the groove (6), of the side end face of the end cover (1);
the cylinder body (8), the upper end of the cylinder body (8) is fixedly connected with a protruding block (9), and a plurality of second threaded holes (10) are formed in the side ends of the protruding block (9);
the end cover (1) and the cylinder body (8) are fixed by transversely penetrating through the joint of the end cover (1) and the cylinder body (8) through screws (11).
2. The cylinder body sealing structure of the high-pressure-resistant hydraulic cylinder according to claim 1, wherein a first through hole (12) for a piston rod (14) to pass through is formed in the upper end portion of the end cover (1), and a second through hole (13) for the piston rod (14) to pass through is formed in the upper end portion of the limiting plate (3).
3. A cylinder block sealing structure of a high pressure resistant hydraulic cylinder according to claim 2, characterized in that the diameter of the second through hole (13) is larger than the diameter of the first through hole (12), and the diameter of the first through hole (12) is larger than the diameter of the piston rod (14).
4. The cylinder body sealing structure of the high-pressure-resistant hydraulic cylinder according to claim 2, wherein a circle of sealing ring (15) is fixedly connected to the outer side of the first through hole (12), one end of the sealing ring (15) is fixedly connected with the end cover (1), and one end, far away from the end cover (1), of the sealing ring (15) is tightly attached to the piston rod (14).
5. The cylinder body sealing structure of the high-pressure resistant hydraulic cylinder according to claim 1, wherein the number of the first threaded holes (7) is equal to the number of the second threaded holes (10), the positions of the first threaded holes (7) correspond to the positions of the second threaded holes (10), and the apertures of the first threaded holes (7) and the second threaded holes (10) are equal.
6. The cylinder body sealing structure of the high-pressure resistant hydraulic cylinder according to claim 5, wherein the end cover (1) and the cylinder body (8) are fixed through a plurality of screws (11) passing through the first threaded hole (7) and the second threaded hole (10).
7. The cylinder body sealing structure of the high-pressure-resistant hydraulic cylinder according to claim 1, wherein a sliding block (16) is fixedly connected to the outer side of the first limiting block (4), a sliding groove (17) is formed in the inner side of the second limiting block (5), and the sliding groove (17) is matched with the sliding block (16).
8. The cylinder body sealing structure of the high-pressure resistant hydraulic cylinder according to claim 7, wherein the outer diameter of the first limiting block (4) is equal to the inner diameter of the second limiting block (5), and the height of the first limiting block (4) is equal to the height of the second limiting block (5).
9. The cylinder body sealing structure of the high-pressure-resistant hydraulic cylinder according to claim 1, wherein a circle of sealing gasket (18) is fixedly connected to the outer side of the end cover (1) at the position of the first threaded hole (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320528817.0U CN219529451U (en) | 2023-03-17 | 2023-03-17 | High-pressure-resistant hydraulic cylinder body sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320528817.0U CN219529451U (en) | 2023-03-17 | 2023-03-17 | High-pressure-resistant hydraulic cylinder body sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219529451U true CN219529451U (en) | 2023-08-15 |
Family
ID=87582568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320528817.0U Active CN219529451U (en) | 2023-03-17 | 2023-03-17 | High-pressure-resistant hydraulic cylinder body sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219529451U (en) |
-
2023
- 2023-03-17 CN CN202320528817.0U patent/CN219529451U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204755706U (en) | But varistor buddhist nun singly goes out pole valve attenuator | |
| CN219529451U (en) | High-pressure-resistant hydraulic cylinder body sealing structure | |
| CN201851683U (en) | Bidirectional flow pneumatic angle place valve | |
| CN218522883U (en) | Hydraulic cylinder that corrosion resistance is strong | |
| CN216382076U (en) | Anti-leakage hydraulic oil cylinder | |
| CN215488342U (en) | Water hammer eliminating device of secondary water supply equipment | |
| CN210716138U (en) | Double-ball non-return joint with good sealing performance | |
| CN210770214U (en) | Anti-extrusion gasket for sealing ring of adjusting bolt of actuating mechanism | |
| CN204003757U (en) | A kind of oil hydraulic cylinder without back cylinder cover | |
| CN108167263B (en) | A kind of adjustable movable sealing structure of decrement | |
| CN208185132U (en) | A kind of self-locking oil cylinder | |
| CN219413104U (en) | Hydraulic cylinder with good sealing performance | |
| CN216199484U (en) | Explosion-proof hydraulic cylinder | |
| CN216241609U (en) | Oil leakage prevention oil cylinder | |
| CN214500121U (en) | Noise-reduction sealing copper ball valve | |
| CN216343153U (en) | High-wear-resistance hydraulic oil cylinder | |
| CN212920304U (en) | Sealing assembly of clamping mechanism for full-automatic injection molding machine | |
| CN212672393U (en) | Quick-opening blind plate sealing ring with embedded spring | |
| CN218408699U (en) | Extrusion type inlaid valve seat structure | |
| CN210799691U (en) | Sealing gasket for steel structure bolt with good anti-loosening performance | |
| CN220185498U (en) | Servo cylinder gap sealing structure | |
| CN213511470U (en) | Hydraulic cylinder prevents leaking device | |
| CN213870509U (en) | Hydraulic cylinder top cap with leak protection | |
| CN219101565U (en) | Plunger pump valve body with low shear rate | |
| CN214945421U (en) | Cylinder cap with oil leakage prevention |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |