CN213144928U - High stability flip hydro-cylinder - Google Patents
High stability flip hydro-cylinder Download PDFInfo
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- CN213144928U CN213144928U CN202021661720.XU CN202021661720U CN213144928U CN 213144928 U CN213144928 U CN 213144928U CN 202021661720 U CN202021661720 U CN 202021661720U CN 213144928 U CN213144928 U CN 213144928U
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Abstract
The utility model discloses a high stability flip hydro-cylinder, including cylinder and piston rod, the piston rod sets up in the cylinder, be provided with the gland in the cylinder, the gland is located between cylinder and the piston rod, a determining deviation has between gland outer wall and the cylinder inner wall, be provided with first sealing member between gland and the cylinder, be provided with second sealing member and third sealing member between gland and the piston rod, cylinder one end is provided with the clamp plate, piston rod one end run through the clamp plate and with the clamp plate between be provided with the dust ring, can effectively prevent that the piston rod of flip hydro-cylinder is rotatory.
Description
Technical Field
The utility model relates to a machinery hydraulic pressure technical field especially relates to a high stability flip hydro-cylinder.
Background
The existing flip oil cylinder does not have a component for preventing the flip oil cylinder from rotating, in order to prevent the piston rod of the flip oil cylinder from rotating, welding and sealing are usually carried out after the installation is finished, a sealing element is simply arranged inside the flip oil cylinder, but the piston rod of the flip oil cylinder cannot be effectively prevented from rotating, so that the stroke of the piston rod cannot be controlled.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above disadvantages, an object of the present invention is to provide a flip cylinder capable of effectively preventing a piston rod of the flip cylinder from rotating.
In order to achieve the above purpose, the utility model discloses a technical scheme is: the utility model provides a high stability flip hydro-cylinder, includes cylinder and piston rod, the piston rod sets up in the cylinder, be provided with the gland in the cylinder, the gland is located between cylinder and the piston rod, a determining deviation has between gland outer wall and the cylinder inner wall, be provided with first sealing member between gland and the cylinder, be provided with second sealing member and third sealing member between gland and the piston rod, cylinder one end is provided with the clamp plate, piston rod one end run through the clamp plate and with the clamp plate between be provided with the dust ring.
The utility model provides a pair of high stability flip hydro-cylinder, its beneficial effect is: the cylinder barrel is internally provided with the gland, one end of the cylinder barrel is provided with the pressing plate, the dual functions of fastening and pressing are respectively realized, the combined sealing parts (the first sealing part, the second sealing part and the third sealing part) are arranged between the gland and the cylinder barrel and between the gland and the piston rod, the dust ring is further arranged between the piston rod and the pressing plate, the sealing performance is improved, meanwhile, the stability between the piston rod and the pressing plate is enhanced, the piston rod of the flip oil cylinder can be effectively prevented from rotating, and the control effect on the stroke of the piston rod is realized.
Furthermore, the cylinder barrel is fixedly connected with the pressing plate through a plurality of bolts, and the connection stability between the cylinder barrel and the pressing plate is improved.
Further, be provided with first standing groove on the gland, first sealing member is placed in first standing groove and both sides contact with cylinder and gland respectively, improve the stability that first sealing member placed.
Furthermore, first standing groove one end and clamp plate intercommunication, outside space ring has been placed in the first standing groove, outside space ring both sides respectively with cylinder and gland contact and both ends respectively with first sealing member and clamp plate contact, prevent the leakage that bolted connection department produced when compressing tightly first sealing member through outside space ring.
Further, a second placing groove and a third placing groove are formed in the inner wall of the gland, the second sealing element and the third sealing element are respectively placed in the second placing groove and the third placing groove, two sides of the second sealing element and two sides of the third sealing element are respectively in contact with the cylinder barrel and the gland, one end of the second sealing element is in contact with the third sealing element, the other end of the second sealing element is in contact with a clamp spring arranged on the gland, and the placing stability of the second sealing element and the placing stability of the third sealing element are improved.
Further, an inner space ring is placed in the third placing groove, two sides of the inner space ring are respectively in contact with the cylinder barrel and the gland, one end of the inner space ring is in contact with the first sealing element, and sealing performance is improved.
Furthermore, a dustproof groove is formed in the pressing plate, and the dustproof ring is placed in the dustproof groove, so that the placement stability of the dustproof ring is improved.
Further, the third sealing element and the first sealing element are both O-shaped sealing rings.
Further, the second sealing element is a U-shaped sealing ring.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure:
1-a cylinder barrel; 2-a piston rod; 3-pressing the cover; 4-a first seal; 5-a second seal; 6-a third seal; 7-pressing a plate; 8-a dustproof ring; 9-bolt; 10-a first placing groove; 11-an outer spacer ring; 12-a second holding tank; 13-a third holding groove; 14-inner spacer ring; 15-dustproof groove.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to the attached drawing 1, the high-stability flip oil cylinder comprises a cylinder barrel 1 and a piston rod 2, wherein the piston rod 2 is arranged in the cylinder barrel 1, a gland 3 is arranged in the cylinder barrel 1, the gland 3 is positioned between the cylinder barrel 1 and the piston rod 2, a certain distance is reserved between the outer wall of the gland 3 and the inner wall of the cylinder barrel 1, a first sealing element 4 is arranged between the gland 3 and the cylinder barrel 1, a first placing groove 10 is arranged on the gland 3, the first sealing element 4 is placed in the first placing groove 10, two sides of the first sealing element are respectively contacted with the cylinder barrel 1 and the gland 3, two ends of the first placing groove 10 are respectively contacted with the first sealing element 4 and a pressing plate 7, an external spacing ring 11 is placed in the first placing groove 10, two sides of the external spacing ring 11 are respectively contacted with the cylinder barrel 1 and the gland 3, two ends;
a second sealing element 5 and a third sealing element 6 are arranged between the gland 3 and the piston rod 2, a second placing groove 12 and a third placing groove 13 are arranged on the inner wall of the gland 3, the second sealing element 5 and the third sealing element 6 are respectively placed in the second placing groove 12 and the third placing groove 13, two sides of the second sealing element 5 and two sides of the third sealing element 6 are respectively contacted with the cylinder barrel 1 and the gland 3, one end of the second sealing element 5 is contacted with the third sealing element 6, the other end of the second sealing element is contacted with a clamp spring arranged on the gland 3, an inner space ring 14 is arranged in the third placing groove 13, two sides of the inner space ring 14 are respectively contacted with the cylinder barrel 1 and the gland 3, and one end of the inner space ring is contacted with the first sealing element 4, and a certain distance is reserved between the outer wall of the gland 3 and the inner wall of the cylinder barrel 1;
a pressing plate 7 is arranged at one end of the cylinder barrel 1, the cylinder barrel 1 is fixedly connected with the pressing plate 7 through a plurality of bolts 9, an outer space ring 11 and an inner space ring 14 can also prevent leakage generated at the joint of the bolts 9, one end of the piston rod 2 penetrates through the pressing plate 7, a dust ring 8 is arranged between the piston rod and the pressing plate 7, a dust groove 15 is arranged on the pressing plate 7, and the dust ring 8 is placed in the dust groove 15;
the third sealing element 6 and the first sealing element 4 both adopt O-shaped sealing rings, and the second sealing element 5 adopts U-shaped sealing rings.
Set up gland 3 in 1 inside of cylinder, and set up clamp plate 7 in 1 one end of cylinder, play the fastening respectively and compress tightly dual function, be provided with combined seal spare (first sealing member 4 between gland 3 and the cylinder 1 and between gland 3 and the piston rod 2, second sealing member 5, third sealing member 6), still be provided with dust ring 8 between piston rod 2 and clamp plate 7, strengthen the steadiness between piston rod 2 and the clamp plate 7 when improving the leakproofness, can effectively prevent that the piston rod 2 of flip hydro-cylinder is rotatory, play the control action to 2 strokes of piston rod.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (9)
1. The utility model provides a high stability flip hydro-cylinder, includes cylinder (1) and piston rod (2), piston rod (2) set up in cylinder (1), its characterized in that: be provided with gland (3) in cylinder (1), gland (3) are located between cylinder (1) and piston rod (2), a determining deviation has between gland (3) outer wall and cylinder (1) inner wall, be provided with first sealing member (4) between gland (3) and cylinder (1), be provided with second sealing member (5) and third sealing member (6) between gland (3) and piston rod (2), cylinder (1) one end is provided with clamp plate (7), piston rod (2) one end run through clamp plate (7) and be provided with dust ring (8) between clamp plate (7).
2. The high stability flip hydro-cylinder of claim 1, characterized in that: the cylinder barrel (1) is fixedly connected with the pressing plate (7) through a plurality of bolts (9).
3. The high stability flip hydro-cylinder of claim 1, characterized in that: be provided with first standing groove (10) on gland (3), place in first standing groove (10) and both sides contact with cylinder (1) and gland (3) respectively in first sealing member (4).
4. The high stability flip hydro-cylinder of claim 3, characterized in that: one end of the first placing groove (10) is communicated with the pressing plate (7), an external space ring (11) is placed in the first placing groove (10), two sides of the external space ring (11) are respectively in contact with the cylinder barrel (1) and the gland (3), and two ends of the external space ring are respectively in contact with the first sealing element (4) and the pressing plate (7).
5. The high stability flip hydro-cylinder of claim 1, characterized in that: the inner wall of the gland (3) is provided with a second placing groove (12) and a third placing groove (13), the second sealing element (5) and the third sealing element (6) are respectively placed in the second placing groove (12) and the third placing groove (13), two sides of the second sealing element (5) and two sides of the third sealing element (6) are respectively contacted with the cylinder barrel (1) and the gland (3), one end of the second sealing element (5) is contacted with the third sealing element (6), and the other end of the second sealing element is contacted with a clamp spring arranged on the gland (3).
6. The high stability flip hydro-cylinder of claim 5, characterized in that: an inner space ring (14) is placed in the third placing groove (13), two sides of the inner space ring (14) are respectively in contact with the cylinder barrel (1) and the gland (3), and one end of the inner space ring is in contact with the first sealing element (4).
7. The high stability flip hydro-cylinder of claim 1, characterized in that: the dust-proof device is characterized in that a dust-proof groove (15) is formed in the pressing plate (7), and the dust-proof ring (8) is placed in the dust-proof groove (15).
8. The high stability flip hydro-cylinder of claim 1, characterized in that: and the third sealing element (6) and the first sealing element (4) both adopt O-shaped sealing rings.
9. The high stability flip hydro-cylinder of claim 1, characterized in that: the second sealing element (5) adopts a U-shaped sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021661720.XU CN213144928U (en) | 2020-08-11 | 2020-08-11 | High stability flip hydro-cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021661720.XU CN213144928U (en) | 2020-08-11 | 2020-08-11 | High stability flip hydro-cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213144928U true CN213144928U (en) | 2021-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021661720.XU Active CN213144928U (en) | 2020-08-11 | 2020-08-11 | High stability flip hydro-cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213144928U (en) |
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2020
- 2020-08-11 CN CN202021661720.XU patent/CN213144928U/en active Active
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