CN213954355U - Prevent portable valve of magnetic drive of leakage - Google Patents
Prevent portable valve of magnetic drive of leakage Download PDFInfo
- Publication number
- CN213954355U CN213954355U CN202023066955.7U CN202023066955U CN213954355U CN 213954355 U CN213954355 U CN 213954355U CN 202023066955 U CN202023066955 U CN 202023066955U CN 213954355 U CN213954355 U CN 213954355U
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- valve
- magnetic rotor
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- rotor
- screw rod
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Abstract
The utility model discloses a leakage-proof magnetic transmission movable valve, which comprises a shell, a screw rod, an outer magnetic rotor, a sealing cover, an inner magnetic rotor, a valve rod, a valve cover, a valve clack and a valve body, wherein the screw rod is connected with the shell through threads, and one end of the screw rod, which is positioned in the shell, is concentrically and fixedly connected with the outer magnetic rotor; the outer magnetic rotor and the inner magnetic rotor are concentrically sleeved and separated by a sealing cover; the inner magnetic rotor is concentrically and fixedly connected with one end of the valve rod; the other end of the valve rod penetrates through the valve cover to extend into the valve body and is connected with the valve clack; when the valve needs to be opened, the screw rod is rotated, the screw rod rises through the threads on the shell and drives the outer magnetic rotor to rise, the outer magnetic rotor drives the inner magnetic rotor to rise through the magnetic force, and the inner magnetic rotor drives the valve clack to rise through the valve rod, so that the valve is opened; when the valve needs to be closed, the screw rod is rotated reversely; the utility model discloses utilize magnetic force to realize contactless transmission, solve the problem of revealing that the dynamic seal exists, suitable using widely.
Description
Technical Field
The utility model relates to a portable valve technical field, especially a prevent portable valve of magnetic drive of leakage.
Background
The movable valve drives the valve rod to act through the driving mechanism, and drives the valve core to move up and down to achieve the purpose of closing or opening the valve. In a common movable valve structure, a valve rod is sealed by adopting a packing, but because the valve rod moves relatively, after the valve rod is used for a long time, due to the reasons of abrasion, corrosion and the like, the gap between the valve rod and the packing is larger and larger, the sealing is failed, and fluid with certain pressure in a valve body is easy to leak out along the gap of the extending part of the valve rod. The leakage not only affects the field environment, but also is difficult to ensure the safety in the application occasions where the leakage is not allowed, such as corrosive or toxic.
Disclosure of Invention
The utility model aims at providing a prevent portable valve of magnetic drive of leakage to the problem that prior art exists, its aim at: the driving mechanism is completely isolated from the valve rod, and the movable valve can be completely closed.
The utility model aims at solving through the following technical scheme:
the utility model provides a prevent portable valve of magnetic drive of leakage, includes shell, screw rod, outer magnetic rotor, seal cover, interior magnetic rotor, valve rod, valve gap, valve clack and valve body, its characterized in that: the screw rod is connected with the shell through threads, and one end of the screw rod, which is positioned in the shell, is concentrically and fixedly connected with the outer magnetic rotor; the outer magnetic rotor and the inner magnetic rotor are concentrically sleeved and separated by a sealing cover; the inner magnetic rotor is concentrically and fixedly connected with one end of the valve rod; the other end of the valve rod penetrates through the valve cover to extend into the valve body and is connected with the valve clack; when the valve needs to be opened, the screw rod is rotated, the screw rod rises through the threads on the shell and drives the outer magnetic rotor to rise, the outer magnetic rotor drives the inner magnetic rotor to rise through the magnetic force, and the inner magnetic rotor drives the valve clack to rise through the valve rod, so that the valve is opened; when the valve needs to be closed, the screw is rotated reversely.
The outer magnetic rotor and the inner magnetic rotor are both of a cylindrical structure, permanent magnets are uniformly distributed on the outer magnetic rotor and the inner magnetic rotor along the axial direction, the magnetic field directions of the permanent magnets are both radial, and the magnetic field directions of the opposite permanent magnets on the outer magnetic rotor and the inner magnetic rotor are the same.
The permanent magnet shapes on the outer magnetic rotor and the inner magnetic rotor include, but are not limited to, ring shape, tile shape and square shape.
The sealing cover is made of non-magnetic conductive material.
The sealing cover is fixed on the valve cover, a sealing ring is arranged on the contact surface of the sealing cover and the valve cover, static sealing is realized through the sealing ring, the valve rod is isolated from the screw rod by the sealing cover, and leakage of the valve rod is maintained in the sealing cover.
And a wear-resistant ring is arranged on the contact surface of the valve cover and the valve rod.
The driving mechanism connected with the screw rod comprises but is not limited to a hand wheel, an electric actuating mechanism and a pneumatic actuating mechanism.
Compared with the prior art, the utility model has the following advantages:
the utility model relates to a prevent transmission of leakage's portable valve of magnetic transmission through magnetic force realization power, utilizes the characteristic that magnetic transmission need not the contact, keeps apart valve rod and drive structure completely through the sealed cowling for the fluid seals completely in sealed cowling and valve body, because the sealed of sealed cowling is static seal, does not have the problem that the sealing washer wearing and tearing became invalid, has thoroughly solved the problem of revealing that the dynamic seal exists, has improved sealed reliability by a wide margin, suitable using widely.
Drawings
Fig. 1 is a schematic structural view of the leakage-proof magnetic transmission movable valve of the utility model when closed;
FIG. 2 is a schematic structural view of the leakage-proof magnetically-driven movable valve of the present invention when opened;
wherein: 1-shell, 2-screw, 3-outer magnetic rotor, 4-sealing cover, 5-inner magnetic rotor, 6-valve rod, 7-valve cover, 8-valve flap, 9-valve body, 10-permanent magnet, 11-sealing ring, 12-wear ring and 13-driving mechanism.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1-2, a leakage-proof magnetic transmission movable valve comprises a shell (1), a screw (2), an external magnetic rotor (3), a sealing cover (4), an internal magnetic rotor (5), a valve rod (6), a valve cover (7), a valve clack (8) and a valve body (9). The screw (2) is connected with the shell (1) through threads, and one end of the screw (2) in the shell (1) is concentrically and fixedly connected with the external magnetic rotor (3); the outer magnetic rotor (3) and the inner magnetic rotor (5) are concentrically sleeved and separated by a sealing cover (4); the inner magnetic rotor (5) is concentrically and fixedly connected with one end of the valve rod (6); the other end of the valve rod (6) passes through the valve cover (7) and extends into the valve body (9) and is connected with the valve clack (8). The outer magnetic rotor (3) and the inner magnetic rotor (5) are both of a cylindrical structure, permanent magnets (10) are uniformly distributed on the outer magnetic rotor (3) and the inner magnetic rotor (5) along the axial direction, the magnetic field directions of the permanent magnets (10) are both radial, and the magnetic field directions of the permanent magnets (10) opposite to each other on the outer magnetic rotor (3) and the inner magnetic rotor (5) are the same. The permanent magnets (10) on the outer magnetic rotor (3) and the inner magnetic rotor (5) can be radial magnetized annular permanent magnets or an annular formed by splicing a plurality of radial magnetized tile-shaped permanent magnets or square permanent magnets. The sealing cover (4) is made of non-magnetic conductive material. The sealing cover (4) is fixed on the valve cover (7), a sealing ring (11) is arranged on the contact surface of the sealing cover (4) and the valve cover (7), static sealing is realized through the sealing ring (11), the valve rod (6) is isolated from the screw rod (2) by the sealing cover (4), and leakage at the position of the valve rod (6) is maintained in the sealing cover (4). The contact surface of the valve cover (7) and the valve rod (6) is provided with a wear-resistant ring (12).
When the valve needs to be opened, the driving mechanism (13) rotates the screw rod (2), the screw rod (2) ascends through threads on the shell (1) and drives the outer magnetic rotor (3) to ascend, the outer magnetic rotor (3) drives the inner magnetic rotor (5) to ascend through the magnetic force, and the inner magnetic rotor (5) drives the valve clack (8) to ascend through the valve rod (6), so that the valve is opened; when the valve needs to be closed, the screw (2) is rotated reversely.
The above embodiments are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical scheme according to the technical idea provided by the present invention all fall within the protection scope of the present invention; the technology not related to the utility model can be realized by the prior art.
Claims (7)
1. The utility model provides a prevent portable valve of magnetic drive of leakage, includes shell (1), screw rod (2), outer magnet rotor (3), sealed cowling (4), interior magnet rotor (5), valve rod (6), valve gap (7), valve clack (8) and valve body (9), its characterized in that: the screw (2) is connected with the shell (1) through threads, and one end, positioned inside the shell (1), of the screw (2) is concentrically and fixedly connected with the outer magnetic rotor (3); the outer magnetic rotor (3) and the inner magnetic rotor (5) are concentrically sleeved and separated by a sealing cover (4); the inner magnetic rotor (5) is concentrically and fixedly connected with one end of the valve rod (6); the other end of the valve rod (6) penetrates through the valve cover (7) to extend into the valve body (9) and is connected with the valve clack (8); when the valve needs to be opened, the screw rod (2) is rotated, the screw rod (2) ascends through the threads on the shell (1) and drives the outer magnetic rotor (3) to ascend, the outer magnetic rotor (3) drives the inner magnetic rotor (5) to ascend through the magnetic force, and the inner magnetic rotor (5) drives the valve clack (8) to ascend through the valve rod (6), so that the valve is opened; when the valve needs to be closed, the screw (2) is rotated reversely.
2. A leak resistant, magnetically actuated, mobile valve as recited in claim 1, wherein: the outer magnetic rotor (3) and the inner magnetic rotor (5) are both of a cylindrical structure, permanent magnets (10) are uniformly distributed on the outer magnetic rotor (3) and the inner magnetic rotor (5) along the axial direction, the magnetic field directions of the permanent magnets (10) are both radial, and the magnetic field directions of the permanent magnets (10) opposite to each other on the outer magnetic rotor (3) and the inner magnetic rotor (5) are the same.
3. A leak resistant, magnetically actuated, movable valve according to claim 1 or 2, wherein: the permanent magnet (10) on the outer magnetic rotor (3) and the inner magnetic rotor (5) has shapes including but not limited to ring, tile and square.
4. A leak resistant, magnetically actuated, mobile valve as recited in claim 1, wherein: the sealing cover (4) is made of non-magnetic conductive material.
5. A leak resistant, magnetically actuated, mobile valve as recited in claim 1, wherein: the sealing cover (4) is fixed on the valve cover (7), a sealing ring (11) is arranged on the contact surface of the sealing cover (4) and the valve cover (7), static sealing is realized through the sealing ring (11), the valve rod (6) is isolated from the screw rod (2) by the sealing cover (4), and leakage at the position of the valve rod (6) is maintained in the sealing cover (4).
6. A leak resistant, magnetically actuated, mobile valve as recited in claim 1, wherein: and a wear-resistant ring (12) is arranged on the contact surface of the valve cover (7) and the valve rod (6).
7. A leak resistant, magnetically actuated, mobile valve as recited in claim 1, wherein: the driving mechanism (13) connected with the screw rod (2) comprises but is not limited to a hand wheel, an electric actuating mechanism and a pneumatic actuating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023066955.7U CN213954355U (en) | 2020-12-18 | 2020-12-18 | Prevent portable valve of magnetic drive of leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023066955.7U CN213954355U (en) | 2020-12-18 | 2020-12-18 | Prevent portable valve of magnetic drive of leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213954355U true CN213954355U (en) | 2021-08-13 |
Family
ID=77217153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023066955.7U Active CN213954355U (en) | 2020-12-18 | 2020-12-18 | Prevent portable valve of magnetic drive of leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213954355U (en) |
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2020
- 2020-12-18 CN CN202023066955.7U patent/CN213954355U/en active Active
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