CN216241611U - Hydraulic oil cylinder of vacuum valve - Google Patents
Hydraulic oil cylinder of vacuum valve Download PDFInfo
- Publication number
- CN216241611U CN216241611U CN202122900245.8U CN202122900245U CN216241611U CN 216241611 U CN216241611 U CN 216241611U CN 202122900245 U CN202122900245 U CN 202122900245U CN 216241611 U CN216241611 U CN 216241611U
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- oil cylinder
- electromagnet
- air exhaust
- sealing cover
- exhaust pipe
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Abstract
The utility model relates to the technical field of oil cylinders, in particular to a vacuum valve hydraulic oil cylinder which comprises an oil cylinder, an exhaust pipe, a valve core, a sealing cover, a first electromagnet and a second electromagnet.
Description
Technical Field
The utility model relates to the technical field of oil cylinders, in particular to a vacuum valve hydraulic oil cylinder.
Background
The oil cylinder is an actuating element in a hydraulic transmission system and is an energy conversion device for converting hydraulic energy into mechanical energy. The oil cylinder has three types, namely a piston cylinder, a plunger cylinder and a swing cylinder, the piston cylinder and the plunger cylinder realize reciprocating linear motion and output speed and thrust, the swing cylinder realizes reciprocating swing and outputs angular speed (rotating speed) and torque, and the oil cylinder has no transmission clearance and moves stably and is widely applied to various fields.
The vacuum valve usually adopts the oil cylinder to control the starting and ending of the action of vacuumizing, the action of the valve core is controlled by utilizing the stroke of the oil cylinder, when the movable end of the oil cylinder stretches out, the valve core supports against the air suction port to stop the air suction action, and when the movable end of the oil cylinder contracts, the valve core leaves the air suction port to enable the air suction action to be urgently needed, however, the response speed of the vacuum valve to the oil cylinder is very high, foreign matters easily enter the vacuum valve to cause the blockage of the vacuum valve when the response speed cannot meet the requirements, the work cannot be urgently needed, and the problem which needs to be solved by technical personnel in the field is urgently needed to be improved on the existing oil cylinder structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a hydraulic oil cylinder of a vacuum valve, which solves the problems mentioned in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme that the oil cylinder comprises an oil cylinder, an exhaust pipe, a valve core, a sealing cover, a first electromagnet and a second electromagnet, wherein the exhaust pipe is fixedly arranged at the front end of the oil cylinder, an exhaust opening is formed in the side face of the exhaust pipe, an annular clamping block is arranged at the opening of the exhaust pipe, the valve core is arranged on the extending end of the oil cylinder, the valve core just can abut against the annular clamping block when the movable end of the oil cylinder extends out, the sealing cover is positioned in the exhaust pipe, the movable end of the oil cylinder penetrates through the sealing cover to form a moving pair with the sealing cover, the first electromagnet is fixedly arranged on the movable end of the oil cylinder, and the second electromagnet is fixedly arranged on the top face of the sealing cover and corresponds to the position of the first electromagnet.
Preferably, a sealing seat matched with the sealing cover in shape is arranged on the inner side of the annular clamping block.
Preferably, the diameter of the sealing seat is larger than the size of the valve core, and the sealing seat and the annular clamping block are of an integrated structure.
Preferably, the first electromagnets are equidistantly arranged on the side surface of the oil cylinder.
Preferably, the setting direction of the air exhaust opening is vertical to the length direction of the air exhaust pipe, and the air exhaust opening and the air exhaust pipe are of an integrated structure.
From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:
when the vacuum valve hydraulic oil cylinder is used, the air exhaust port is connected with air exhaust equipment, when the vacuum degree meets the requirement and an air exhaust pipe needs to be sealed, the first electromagnet and the second electromagnet are started, the sealing cover rapidly moves downwards along the movable end of the oil cylinder to clamp the sealing seat under the action of magnetism because the magnetism of the electrified first electromagnet and the electrified second electromagnet is the same, then the movable end of the oil cylinder moves downwards to clamp the annular clamping block to seal the air exhaust pipe, and the double sealing of the sealing cover and the valve core can realize good sealing effect; when the air exhaust pipe needs to be opened for vacuumizing operation, the movable end of the oil cylinder moves upwards to enable the valve core to be separated from the annular clamping block, the first electromagnet and the second electromagnet are started, the current direction of any one of the electromagnets is changed to enable the magnetism of the first electromagnet and the magnetism of the second electromagnet to be opposite, and the sealing cover moves upwards quickly under the action of the attraction force of the first electromagnet and the attraction force of the second electromagnet along with the upward movement of the valve core.
The utility model realizes double sealing by matching the valve core and the sealing cover, has good sealing effect, is beneficial to maintaining vacuum degree, can quickly open and close the exhaust tube under the action of suction and repulsion by changing the magnetism of the electromagnet, has high response speed, practical significance and popularization value, and can generate good economic benefit.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic cross-sectional configuration of the present invention;
FIG. 2 is a schematic sectional configuration view of the exhaust tube;
in the figure: the device comprises an oil cylinder-1, an air exhaust pipe-2, an air exhaust port-21, an annular fixture block-22, a sealing seat-23, a valve core-3, a sealing cover-4, a first electromagnet-5 and a second electromagnet-6.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
With reference to fig. 1-2, a vacuum valve hydraulic cylinder comprises an oil cylinder 1, an exhaust tube 2, a valve core 3, a sealing cover 4, a first electromagnet 5 and a second electromagnet 6, wherein the exhaust tube 2 is fixedly arranged at the front end of the oil cylinder 1, an exhaust opening 21 is arranged on the side surface of the exhaust tube 2, the direction of the exhaust opening 21 is perpendicular to the length direction of the exhaust tube 2, the exhaust opening 21 and the exhaust tube 2 are of an integrated structure, an annular fixture block 22 is arranged at the opening of the exhaust tube 2, the valve core 3 is arranged on the extending end of the oil cylinder 1, the valve core 3 can just abut against the annular fixture block 22 when the movable end of the oil cylinder 1 extends out, a sealing seat 23 matched with the sealing cover 4 in shape is arranged on the inner side of the annular fixture block 22, the diameter of the sealing seat 23 is larger than the size of the valve core 3, the sealing seat 23 and the annular fixture block 22 are of an integrated structure, the sealing cover 4 is arranged in the exhaust tube 2, and the movable end of the oil cylinder 1 penetrates through the sealing cover 4 to form a moving pair therewith, 4 the equidistance of first electro-magnet 5 is fixed to be set up on the movable end of hydro-cylinder 1, second electro-magnet 6 is fixed to be set up in 4 top surfaces of sealed cowling and corresponding with first electro-magnet 5 positions.
The first electromagnet 5 and the second electromagnet 6 refer to a device capable of generating magnetism after being electrified in the prior art, which belongs to the content of the prior art, and therefore specific structures and working principles thereof are not further described, and the magnetic direction of the electromagnets can be changed in various ways such as a commutator, a functional switch, a combined circuit and the like, so how to realize current commutation is not described.
The control mode of the utility model is realized by an external controller, the control circuit of the controller can be realized by simple programming of technicians in the field, the supply of the power supply also belongs to the common knowledge in the field, and the utility model is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the utility model.
The working principle of the utility model is as follows: when the device is used, the air exhaust port 21 is connected with air exhaust equipment, when the vacuum degree meets the requirement and the air exhaust pipe 2 needs to be sealed, the first electromagnet 5 and the second electromagnet 6 are started, the sealing cover 4 rapidly moves downwards along the movable end of the oil cylinder 1 to clamp the sealing seat 23 under the action of magnetism because the magnetism of the electrified first electromagnet 5 and the second electromagnet 6 is the same, then the movable end of the oil cylinder 1 moves downwards to clamp the annular clamping block 22 to seal the air exhaust pipe 2, and the sealing cover 4 and the valve core 3 can realize good sealing effect through double sealing; when the air suction pipe 2 needs to be opened for vacuum pumping operation, the movable end of the oil cylinder 1 moves upwards to enable the valve core 3 to be away from the annular clamping block 22, the first electromagnet 5 and the second electromagnet 6 are started, the current direction of any one of the electromagnets is changed to enable the magnetism of the first electromagnet 5 and the magnetism of the second electromagnet 6 to be opposite, and the sealing cover 4 moves upwards rapidly under the action of the attraction force of the first electromagnet 5 and the second electromagnet 6 along with the upward movement of the valve core 3.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a vacuum valve hydraulic cylinder, includes hydro-cylinder (1), its characterized in that:
the device also comprises an air extraction pipe (2), a valve core (3), a sealing cover (4), a first electromagnet (5) and a second electromagnet (6);
the air exhaust pipe (2) is fixedly arranged at the front end of the oil cylinder (1), an air exhaust opening (21) is formed in the side face of the air exhaust pipe (2), and an annular clamping block (22) is arranged at the opening of the air exhaust pipe (2);
the valve core (3) is arranged on the extending end of the oil cylinder (1), and the valve core (3) just can abut against the annular clamping block (22) when the movable end of the oil cylinder (1) extends out;
the sealing cover (4) is positioned in the exhaust pipe (2), and the movable end of the oil cylinder (1) penetrates through the sealing cover (4) to form a sliding pair with the sealing cover;
the first electromagnet (5) is fixedly arranged on the movable end of the oil cylinder (1);
the second electromagnet (6) is fixedly arranged on the top surface of the sealing cover (4) and corresponds to the first electromagnet (5).
2. The hydraulic oil cylinder of a vacuum valve according to claim 1, characterized in that: the inner side of the annular clamping block (22) is provided with a sealing seat (23) matched with the sealing cover (4) in shape.
3. The hydraulic cylinder for a vacuum valve according to claim 2, wherein: the diameter of the sealing seat (23) is larger than the size of the valve core (3), and the sealing seat (23) and the annular clamping block (22) are of an integrated structure.
4. The hydraulic oil cylinder of a vacuum valve according to claim 1, characterized in that: the first electromagnets (5) are arranged on the side surface of the oil cylinder (1) at equal intervals.
5. The hydraulic oil cylinder of a vacuum valve according to claim 1, characterized in that: the setting direction of the air exhaust opening (21) is vertical to the length direction of the air exhaust pipe (2), and the air exhaust opening (21) and the air exhaust pipe (2) are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122900245.8U CN216241611U (en) | 2021-11-24 | 2021-11-24 | Hydraulic oil cylinder of vacuum valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122900245.8U CN216241611U (en) | 2021-11-24 | 2021-11-24 | Hydraulic oil cylinder of vacuum valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216241611U true CN216241611U (en) | 2022-04-08 |
Family
ID=80956013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122900245.8U Active CN216241611U (en) | 2021-11-24 | 2021-11-24 | Hydraulic oil cylinder of vacuum valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216241611U (en) |
-
2021
- 2021-11-24 CN CN202122900245.8U patent/CN216241611U/en active Active
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