CN210830681U - Explosion-proof electric ball valve protection device - Google Patents
Explosion-proof electric ball valve protection device Download PDFInfo
- Publication number
- CN210830681U CN210830681U CN201921919938.8U CN201921919938U CN210830681U CN 210830681 U CN210830681 U CN 210830681U CN 201921919938 U CN201921919938 U CN 201921919938U CN 210830681 U CN210830681 U CN 210830681U
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- Prior art keywords
- ball valve
- explosion
- casing
- protection device
- proof
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- 229910052802 copper Inorganic materials 0.000 claims abstract description 14
- 239000010949 copper Substances 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000010030 laminating Methods 0.000 claims abstract description 4
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 3
- 238000004880 explosion Methods 0.000 abstract description 5
- 238000005422 blasting Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 210000003298 dental enamel Anatomy 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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Abstract
The utility model relates to a flame-proof type electric ball valve protection device, which comprises a mounting bas, casing and lid, the casing is the open cavity in both ends, the uncovered department at the casing both ends of mount pad and lid shutoff respectively, and casing and lid are the connection of dismantling, the casing top is equipped with explosion-proof cable introducing device, the bottom is equipped with the ground connection screw, the middle part of mount pad is equipped with the through-hole, install the copper sheathing in the through-hole, the axle laminating of copper sheathing inner wall and ball valve, the mount pad outer end is equipped with the fixed plate, be equipped with the through-hole that matches with the copper sheathing inner circle on the fixed plate, the axle that supplies the ball valve passes, the valve body of. The utility model discloses protection level reaches IP54, and withstand voltage flame proof can effectively protect electric ball valve's electric drive mechanism, and flame proof performance is good, avoids becoming the blasting fuse that causes the explosion.
Description
Technical Field
The utility model relates to an electric ball valve protection device technical field especially relates to an explosion suppression type electric ball valve protection device.
Background
The electric ball valve is an important actuating mechanism in an industrial automation control system. The electric ball valve is a valve which rotates around the axis of the valve rod according to the valve clack, is mainly used for cutting off or connecting media in a pipeline, can also be used for regulating and controlling fluid, and is a pipeline pressure element for industrial automation process control.
The electric ball valve is widely applied even in mines, but due to the particularity of the environment in the mines, a plurality of devices used need to have good explosion-proof performance, and the ball valve is not exceptional. The ball valve is generally made of metal, and still can easily meet the explosion-proof requirement by selecting proper materials, but an electric driving mechanism of the electric ball valve is fragile and difficult to meet the explosion-proof requirement, and strict explosion-proof measures are required to be made due to the fact that electricity is required, and the electric ball valve is prevented from becoming a blasting fuse which causes explosion.
Disclosure of Invention
The utility model discloses aim at satisfying the requirement to the explosion-proof protection of electric ball valve, carry out good protection to electric ball valve's electric mechanism, and provide an explosion-proof type electric ball valve protection device.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: the utility model provides a flame-proof type electric ball valve protection device, which comprises a mounting bas, casing and lid, the casing is the open cavity in both ends, mount pad and lid shutoff are in the uncovered department at casing both ends respectively, and casing and lid are for dismantling the connection, the casing top is equipped with explosion-proof cable introducing device, the bottom is equipped with the ground connection screw, the middle part of mount pad is equipped with the through-hole, install the copper sheathing in the through-hole, the axle laminating of copper sheathing inner wall and ball valve, the mount pad outer end is equipped with the fixed plate, be equipped with the through-hole that matches with the copper sheathing inner circle on the fixed plate, the axle that supplies the ball valve passes.
The fixing plate is provided with a plurality of screws which are screwed on the valve body of the ball valve, and the fixing plate is connected with the mounting seat through bolts.
The bottom of the shell is provided with a nut, and the grounding screw is screwed in the nut.
The shell and the cover are in threaded connection, an external thread is arranged at one end of the shell, an internal thread is arranged on the cover, and the external thread of the shell and the internal thread of the cover are screwed.
The side wall of the cover is provided with a threaded hole, a set screw is screwed in the threaded hole, and the set screw tightly pushes the external thread of the shell.
A sealing gasket is pressed between one end of the cover close to the shell and the shell, and the sealing gasket is a chloroprene rubber sealing gasket.
The utility model has the advantages that: the utility model discloses protection level reaches IP54, and withstand voltage flame proof can effectively protect electric ball valve's electric drive mechanism, and flame proof performance is good, avoids becoming the blasting fuse that causes the explosion.
Drawings
Fig. 1 is a schematic front view of the present invention;
fig. 2 is a left side sectional view of the present invention;
in the figure: 1-Ex plate; 2-warning board; 3-covering; 4-a sealing gasket; 5-a ground screw; 6-a nut; 7-nameplate; 8, fixing a plate; 9-a screw; 10-copper sheathing; 11-a mounting seat; 12-a security sign; 13-explosion proof cable lead-in device; 14-set screws; 15-a housing;
the drawings in the utility model are schematic drawings, and the size of the drawings does not represent the actual size; the safety sign 12, the nameplate 7, the Ex sign 1 and the warning sign 2 are shown in exaggerated thickness and do not represent the actual thickness, in order to show the structure of the present invention more clearly.
The following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in fig. 1-2, an explosion-proof electric ball valve protection device, including mount pad 11, casing 15 and lid 3, casing 15 is the open cavity in both ends, mount pad 11 and lid 3 block respectively in the uncovered department at casing 15 both ends, and casing 15 and lid 3 are for dismantling the connection, casing 15 top is equipped with explosion-proof cable introducing device 13, the bottom is equipped with ground screw 5, the middle part of mount pad 11 is equipped with the through-hole, install copper sheathing 10 in the through-hole, the axle laminating of copper sheathing 10 inner wall and ball valve, mount pad 11 outer end is equipped with fixed plate 8, be equipped with the through-hole that matches with copper sheathing 10 inner circle on the fixed plate 8, the axle that supplies the ball valve passes, the valve body of ball valve is installed on fixed plate 8.
The fixing plate 8 is provided with a plurality of screws 9, the screws 9 are cross-recessed pan head screws, the cross-recessed pan head screws are screwed on a valve body of the ball valve, and the fixing plate 8 is connected with the mounting seat 11 through bolts. During installation, the fixing plate 8 is installed on the valve body of the ball valve through the cross-recessed pan head screw, and then the fixing plate 8 is installed on the installation seat 11 through the bolt.
The bottom of the shell 15 is provided with the nut 6, and the grounding screw 5 is screwed in the nut 6, so that the grounding screw 5 is convenient to install and replace, and the grounding distance is convenient to adjust.
The explosion-proof cable introduction device 13 is a model a 0.
The mounting seat 11 and the shell 15 are welded, so that the mounting seat 11 and the shell 15 are firmly connected together, and the explosion-proof capacity is improved.
The side wall of the cover 3 is provided with a threaded hole, a set screw 14 is screwed in the threaded hole, and the set screw 14 tightly pushes the external thread of the shell 15. The set screw 14 is a slotted taper end set screw to prevent the threads from loosening.
A sealing gasket 4 is pressed between one end of the cover 3 close to the shell 15 and the shell 15, and the sealing gasket 4 is a chloroprene rubber sealing gasket 4. The cover 3 is prevented from being difficult to take down due to corrosion of the contact surface after long-time use.
The electric driving mechanism of the ball valve is arranged in the shell 15 through a screw 9, and a spring washer and a flat washer are sequentially arranged between the head of the screw 9 and the electric driving mechanism of the ball valve. Not only avoid damaging the electric drive mechanism of ball valve, and play locking effect, guarantee firm in connection.
The top of the mounting seat 11 is provided with a safety sign plate 12, and the bottom is provided with a nameplate 7.
An Ex sign 1(Ex is an explosion-proof sign) and a warning sign 2 are attached to the side surface of the cover 3.
The safety sign 12, the nameplate 7, the Ex sign 1, and the warning sign 2 are all mounted by riveting.
The threaded connection surface of the shell 15 and the cover 3 and the binding surface of the inner wall of the copper sleeve 10 and the shaft of the ball valve are explosion-proof joint surfaces, and the explosion-proof joint surfaces are coated with 204-1 anti-rust oil.
Red enamel or zinc plating is coated on the outer walls of the mounting seat 11, the shell 15 and the cover 3, so that the corrosion resistance is enhanced; the safety sign plate 12, the nameplate 7, the Ex sign plate 1, the warning plate 2 and the explosion-proof joint surface are not coated with red enamel or galvanized.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (7)
1. The utility model provides a flame-proof type electric ball valve protection device, a serial communication port, which comprises a mounting bas, casing and lid, the casing is the open cavity in both ends, the uncovered department at the casing both ends is blocked respectively to mount pad and lid, and casing and lid are for dismantling the connection, the casing top is equipped with explosion-proof cable introducing device, the bottom is equipped with the ground screw, the middle part of mount pad is equipped with the through-hole, install the copper sheathing in the through-hole, the axle laminating of copper sheathing inner wall and ball valve, the mount pad outer end is equipped with the fixed plate, be equipped with the through-hole that matches with the copper sheathing inner circle on the fixed plate, the axle that supplies the ball valve.
2. The explosion-proof electric ball valve protection device according to claim 1, wherein a plurality of screws are arranged on the fixing plate, the screws are screwed on the valve body of the ball valve, and the fixing plate is connected with the mounting seat through bolts.
3. The explosion-proof electric ball valve protection device according to claim 1, wherein a nut is arranged at the bottom of the shell, and the grounding screw is screwed in the nut.
4. The explosion-proof electric ball valve protection device according to claim 1, wherein the housing and the cover are in threaded connection, an external thread is arranged at one end of the housing, an internal thread is arranged on the cover, and the external thread of the housing and the internal thread of the cover are screwed together.
5. The explosion-proof electric ball valve protection device according to claim 4, wherein the number of effective threaded connection buckles of the shell and the cover is not less than 6, and the thread pitch is 1.5 mm.
6. The explosion-proof electric ball valve protection device according to claim 4 or 5, wherein a threaded hole is formed in the side wall of the cover, a set screw is screwed in the threaded hole, and the set screw abuts against the external thread of the shell.
7. The explosion-proof electric ball valve protection device according to claim 1, wherein a gasket is pressed between one end of the cover close to the housing and the housing, and the gasket is a neoprene gasket.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921919938.8U CN210830681U (en) | 2019-11-08 | 2019-11-08 | Explosion-proof electric ball valve protection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921919938.8U CN210830681U (en) | 2019-11-08 | 2019-11-08 | Explosion-proof electric ball valve protection device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210830681U true CN210830681U (en) | 2020-06-23 |
Family
ID=71262290
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201921919938.8U Active CN210830681U (en) | 2019-11-08 | 2019-11-08 | Explosion-proof electric ball valve protection device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210830681U (en) |
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2019
- 2019-11-08 CN CN201921919938.8U patent/CN210830681U/en active Active
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20221228 Address after: 014030 North Campus South Road, Baotou Rare Earth High tech Zone, Inner Mongolia Autonomous Region Patentee after: Baotou Guoan Engineering Machinery Co.,Ltd. Address before: 014030 Baotou Guoan Technology Co., Ltd., Baotou Equipment Manufacturing Industrial Park, Baotou City, Inner Mongolia Autonomous Region Patentee before: BAOTOU GUOAN SCIENCE & TECHNOLOGY Co.,Ltd. |