CN208546600U - A kind of valve limit switch with blast resistance construction - Google Patents
A kind of valve limit switch with blast resistance construction Download PDFInfo
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- CN208546600U CN208546600U CN201820915819.4U CN201820915819U CN208546600U CN 208546600 U CN208546600 U CN 208546600U CN 201820915819 U CN201820915819 U CN 201820915819U CN 208546600 U CN208546600 U CN 208546600U
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Abstract
The utility model provides a kind of valve limit switch with blast resistance construction, including Switch main body, cover board, proof assembl, stabilizer blade and anti-loosening component, the cover board is mounted on Switch main body upper surface, the proof assembl is arranged in Switch main body left side, the stabilizer blade is fixed on Switch main body lower end surface, the stabilizer blade upper side offers connection through-hole, the anti-loosening component is mounted on stabilizer blade, the proof assembl includes bend pipe, fixed frame, sliding block, sliding slot one, stomata, fixed link, alarm device, guide rod, spring one, button switch, mobile box body and heat-conducting plate, the anti-loosening component includes fixed strip, sliding slot two, miniature screw rod, Miniature ball nut seat, L-type movable stand, threaded rod, spring two, mobile bar, pressing plate and threaded hole, compared with prior art, the utility model has following beneficial effect : alarm function is realized, safety is good, also achieves the anti-loosening purpose of screw, improves connective stability.
Description
Technical field
The utility model is a kind of valve limit switch with blast resistance construction, belongs to valve switch technical field.
Background technique
In the prior art, the case where explosion-proof effect of valve limit switch is poor, cannot leak gas sounds an alarm, safety
Property it is insufficient；In existing design, attachment screw is easy to happen loosening in valve limit switch installation process, and connective stability is bad,
So needing a kind of valve limit switch with blast resistance construction to solve the above-mentioned problem.
Utility model content
In view of the deficienciess of the prior art, the utility model aim be to provide it is a kind of with blast resistance construction valve limit open
It closes, to solve the problems mentioned in the above background technology.
To achieve the goals above, the utility model is achieved through the following technical solutions: a kind of band blast resistance construction
Valve limit switch, including Switch main body, cover board, proof assembl, stabilizer blade and anti-loosening component, the cover board be mounted on out
Ontology upper surface is closed, the proof assembl is arranged in Switch main body left side, and the stabilizer blade is fixed on Switch main body lower end surface, institute
It states stabilizer blade upper side and offers connection through-hole, the anti-loosening component is mounted on stabilizer blade, and the proof assembl includes bend pipe, consolidates
Determine frame, sliding block, sliding slot one, stomata, fixed link, alarm device, guide rod, spring one, button switch, mobile box body and heat-conducting plate,
The anti-loosening component includes fixed strip, sliding slot two, miniature screw rod, Miniature ball nut seat, L-type movable stand, threaded rod, spring
Two, mobile bar, pressing plate and threaded hole.
Further, in the proof assembl, the bend pipe left end is fixed on Switch main body inside left face, described curved
Pipe left end passes through left side inside Switch main body, and extends to Switch main body left side, and the fixed frame is fixed on Switch main body
Left side, and be connected inside bend pipe and fixed frame, fixed frame upper inside face and downside offer sliding slot one,
The mobile cassette upper end face and lower end surface are respectively and fixedly provided with sliding block, and the sliding block is separately mounted to inside sliding slot one, the shifting
Dynamic box portion inside right side face is fixed with heat-conducting plate, and the guide rod right end is fixed on mobile box body left side, and the guide rod left end is worn
Fixed link is crossed, and is extended on the left of fixed link, the guide rod annular side is provided with spring one, and one left end of spring is fixed on
Fixed link right side, one right end of spring are fixed on mobile box body left side, and the button switch is mounted on fixed link right end
Face, the alarm device are mounted on fixed link left side, and the alarm device is connected by electric wire with button switch, the fixed frame
Upper surface and lower end surface left part position offer stomata.
Further, the button switch is connected by electric wire with external power supply, on the upside of the alarm device and downside
Fixed link left side offer circular hole, the guide rod is equipped with two, and the guide rod right end is each attached on the left of mobile box body
Face, the guide rod left end pass through circular hole, and in actual use, when gas leaks to inside Switch main body, gas passes through
Bend pipe is discharged, and gas reduces temperature, gas flows in fixed frame by being radiated for the first time during bend pipe
When portion, gas generates thrust to the left to mobile box body, is moved to the left mobile box body, and the mobile mobile band movable slider of box body is in cunning
It is moved inside slot one, while mobile box body drives guide rod to be moved to the left, and generates compressing force to spring one, shrinks spring one,
When mobile box body is moved on the left of stomata, gas is discharged outside to by stomata, while mobile box body continues to be moved to the left, and
Be in contact with button switch, pressure generated to button switch, is closed button switch, thus connect alarm device and external power supply it
Between circuit the case where enabling staff to know gas leakage in time, and located so that alarm device work sounds an alarm
Reason.
Further, the mobile box body left side offers discharge port, and Non-return air valve is equipped with inside discharge port, institute
It states mobile tray interior and has been filled with that liquid fluorine chlorine is high, and the mobile box body left side upper position is machined with entrance, and in entrance
Portion is equipped with sealing-plug, in actual use, when gas flows to inside fixed frame along bend pipe, gas and heat-conducting plate
It is in contact, so that the temperature of heat-conducting plate be made to increase, then the high heat absorbed on heat-conducting plate of liquid fluorine chlorine and gasification pass through excretion
Mouth discharge, then further decreases the gas temperature flowed to inside fixed frame, when staff overhauls, when liquid fluorine
Chlorine is high have been used, and staff carries out the high addition of liquid fluorine chlorine by entrance, which further decreases the temperature of gas.
Further, in the anti-loosening component, the fixed strip is fixed on stabilizer blade right side upper position, the cunning
Slot two is provided with fixed strip right side, and the miniature screw rod is mounted on inside sliding slot two, and the Miniature ball nut seat is mounted on
Miniature screw rod annular side, the L-type movable stand are fixed on Miniature ball nut seat right side, the L-type movable stand upper side
Right station offers threaded hole, and threaded rod, the L-type shifting on the threaded rod left side and right side are equipped with inside the threaded hole
Moving frame upper surface is provided with mobile bar, and the mobile bar lower end passes through L-type movable stand, and is fixed on pressing plate upper surface, described
Mobile bar upper end is respectively and fixedly provided with spring two, and two lower end of spring is connected with L-type movable stand upper surface.
Further, the Miniature ball nut seat is connected by ball nut pair with miniature screw rod, the miniature silk
Rod rear end is fixed with small-sized handle, and small-sized handle outer surface is enclosed with Anti-slip cover, in actual use, rotates small-sized
Hand, small-sized handle rotation band actuating miniature screw rod rotate, and the rotating operation of the miniature screw rod of ball nut adjutant is converted to Miniature ball
The linear motion of nut seat, so that Miniature ball nut seat drives L-type movable stand mobile, the movement of L-type movable stand passes through mobile bar
Band dynamic pressure plate is mobile, and when pressing plate is moved on rear side of connection through-hole, stop operating small-sized handle, is then mounted on attachment screw
It connects inside through-hole, then rotates backward small-sized handle, be moved to L-type movable stand band dynamic pressure plate right above screw, be convenient for L-type
The movement of movable stand will not cause to hinder to the installation of screw.
Further, the mobile bar upper end is fixed with disk, and two upper end of spring is connected with disk lower end surface, institute
The arc-shaped structure in threaded rod lower end is stated, in actual use, when pressing plate is moved on the upside of screw, threaded rod is rotated, makes
Threaded rod is moved down in threaded hole internal rotating, and threaded rod movement generates downward thrust to pressing plate, makes pressing plate to moving down
Dynamic, pressing plate is mobile to drive mobile bar to move down, and mobile bar is mobile to drive disk to move down, and disk is mobile to generate spring two
Compressing force shrinks spring two, and when pressing plate, which is moved to, to be fitted closely with screw upper side, stop operating threaded rod, should
Design improves the stability of screw installation, avoids screw loosening.
The utility model has the beneficial effects that a kind of valve limit switch with blast resistance construction of the utility model, because of this reality
With it is novel be added to bend pipe, fixed frame, sliding block, sliding slot one, stomata, fixed link, alarm device, guide rod, spring one, button switch,
Mobile box body and heat-conducting plate, improve explosion-proof effect, realize alarm function, safety is good.
Because the utility model is added to fixed strip, sliding slot two, miniature screw rod, Miniature ball nut seat, L-type movable stand, spiral shell
Rasp bar, spring two, mobile bar, pressing plate and threaded hole realize the anti-loosening purpose of screw, improve connective stability.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon:
Fig. 1 is a kind of structural schematic diagram of the valve limit switch with blast resistance construction of the utility model；
Fig. 2 is the structural schematic diagram of proof assembl in a kind of valve limit switch with blast resistance construction of the utility model；
Fig. 3 is enlarged diagram at the A of proof assembl in a kind of valve limit switch with blast resistance construction of the utility model；
Fig. 4 is the structural schematic diagram of anti-loosening component in a kind of valve limit switch with blast resistance construction of the utility model；
Fig. 5 is to amplify signal in a kind of valve limit switch with blast resistance construction of the utility model at the B of anti-loosening component
Figure；
In figure: 1- Switch main body, 2- cover board, 3- proof assembl, 4- stabilizer blade, the anti-loosening component of 5-, 301- bend pipe, 302- are solid
Determine frame, 303- sliding block, 304- sliding slot one, 305- stomata, 306- fixed link, 307- alarm device, 308- guide rod, 309- spring one,
310- button switch, 311- mobile box body, 312- heat-conducting plate, 501- fixed strip, 502- sliding slot two, the miniature screw rod of 503-, 504-
Miniature ball nut seat, 505-L type movable stand, 506- threaded rod, 507- spring two, 508- mobile bar, 509- pressing plate, 510- spiral shell
Pit.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
Please refer to Fig. 1-Fig. 5, the utility model provides a kind of technical solution: it is a kind of with blast resistance construction valve limit open
It closes, including Switch main body 1, cover board 2, proof assembl 3, stabilizer blade 4 and anti-loosening component 5, cover board 2 are mounted on Switch main body 1
End face, proof assembl 3 are arranged in 1 left side of Switch main body, and stabilizer blade 4 is fixed on 1 lower end surface of Switch main body, and 4 upper side of stabilizer blade is opened
Equipped with connection through-hole, anti-loosening component 5 is mounted on stabilizer blade 4, proof assembl 3 include bend pipe 301, fixed frame 302, sliding block 303,
Sliding slot 1, stomata 305, fixed link 306, alarm device 307, guide rod 308, spring 1, button switch 310, mobile box body
311 and heat-conducting plate 312, anti-loosening component 5 includes fixed strip 501, sliding slot 2 502, miniature screw rod 503, Miniature ball nut
Seat 504, L-type movable stand 505, threaded rod 506, spring 2 507, mobile bar 508, pressing plate 509 and threaded hole 510.
In proof assembl 3,301 left end of bend pipe is fixed on 1 inside left face of Switch main body, and 301 left end of bend pipe passes through and opens
1 inside left side of ontology is closed, and extends to 1 left side of Switch main body, fixed frame 302 is fixed on 1 left side of Switch main body, and curved
It is connected inside pipe 301 and fixed frame 302,302 upper inside face of fixed frame and downside offer sliding slot 1, move
Dynamic 311 upper surface of box body and lower end surface are respectively and fixedly provided with sliding block 303, and sliding block 303 is separately mounted to inside sliding slot 1, mobile
311 inner right side face of box body is fixed with heat-conducting plate 312, and 308 right end of guide rod is fixed on mobile 311 left side of box body, and guide rod 308 is left
End extends to 306 left side of fixed link across fixed link 306, and 308 annular side of guide rod is provided with spring 1, spring one
309 left ends are fixed on 306 right side of fixed link, and one 309 right end of spring is fixed on mobile 311 left side of box body, button switch 310
It is mounted on 306 right side of fixed link, alarm device 307 is mounted on 306 left side of fixed link, and alarm device 307 passes through electric wire and button
Switch 310 is connected, and 302 upper surface of fixed frame and lower end surface left part position offer stomata 305.
In anti-loosening component 5, fixed strip 501 is fixed on 4 right side upper position of stabilizer blade, and sliding slot 2 502 is provided with solid
Determine 501 right side of item, miniature screw rod 503 is mounted on inside sliding slot 2 502, and Miniature ball nut seat 504 is mounted on miniature screw rod
503 annular sides, L-type movable stand 505 are fixed on 504 right side of Miniature ball nut seat, 505 upper side right part of L-type movable stand
Position offers threaded hole 510, and threaded rod 506, the L-type shifting on 506 left side of threaded rod and right side are equipped with inside threaded hole 510
505 upper surface of moving frame is provided with mobile bar 508, and 508 lower end of mobile bar passes through L-type movable stand 505, and is fixed on pressing plate 509
Upper surface, 508 upper end of mobile bar are respectively and fixedly provided with spring 2 507, and 2 507 lower end of spring is connected with 505 upper surface of L-type movable stand
It connects.
One embodiment as the utility model: button switch 310 is connected by electric wire with external power supply, alarm device
306 left side of fixed link of 307 upsides and downside offers circular hole, and guide rod 308 is equipped with two, and 308 right end of guide rod is solid
It is scheduled on mobile 311 left side of box body, 308 left end of guide rod passes through circular hole, in actual use, when gas leaks to switch originally
When 1 inside of body, gas is discharged by bend pipe 301, and gas makes temperature by being radiated for the first time during bend pipe 301
Degree reduces, and when gas flows to 302 inside of fixed frame, gas generates thrust to the left to mobile box body 311, makes mobile box body
311 are moved to the left, and the mobile mobile band movable slider 303 of box body 311 moves inside sliding slot 1, while mobile box body 311 drives
Guide rod 308 is moved to the left, and generates compressing force to spring 1, shrinks spring 1, when mobile box body 311 is moved to gas
When 305 left side of hole, gas is discharged outside to by stomata 305, while mobile box body 311 continues to be moved to the left, and opens with button
It closes 310 to be in contact, pressure is generated to button switch 310, is closed button switch 310, to connect alarm device 307 and external electricity
Circuit between source enables staff to know the case where gas leaks in time so that the work of alarm device 307 sounds an alarm,
And it is handled.
One embodiment as the utility model: mobile 311 left side of box body offers discharge port, and inside discharge port
Non-return air valve is installed, liquid fluorine chlorine has been filled with inside mobile box body 311 and has held high, mobile 311 left side upper position of box body processing
There is entrance, and inlet internal is equipped with sealing-plug, in actual use, when gas flows to fixed frame along bend pipe 301
When 302 inside, gas is in contact with heat-conducting plate 312, so that the temperature of heat-conducting plate 312 be made to increase, the high absorption of liquid fluorine chlorine is thermally conductive
Then heat and gasification on plate 312 are discharged by discharge port, then make to flow to gas temperature inside fixed frame 302 into
One step reduces, and when staff overhauls, has used when liquid fluorine chlorine is high, staff carries out liquid fluorine chlorine by entrance and holds high
Addition, which further decreases the temperature of gas.
One embodiment as the utility model: Miniature ball nut seat 504 passes through ball nut pair and miniature screw rod
503 are connected, and miniature 503 rear end of screw rod is fixed with small-sized handle, and small-sized handle outer surface is enclosed with Anti-slip cover, actually make
With small-sized handle in the process, is rotated, small-sized handle rotation band actuating miniature screw rod 503 is rotated, the miniature screw rod 503 of ball nut adjutant
Rotating operation be converted to the linear motion of Miniature ball nut seat 404, so that Miniature ball nut seat 504 drives L-type mobile
The movement of frame 505, L-type movable stand 505 is mobile mobile with dynamic pressure plate 509 by mobile bar 508, leads to when pressing plate 509 is moved to connection
When on rear side of hole, stop operating small-sized handle, and then attachment screw is mounted on inside connection through-hole, then rotates backward small-sized
Hand is moved to L-type movable stand 505 right above screw with dynamic pressure plate 509, will not be to spiral shell convenient for the movement of L-type movable stand 505
The installation of nail causes to hinder.
One embodiment as the utility model: 508 upper end of mobile bar is fixed with disk, 2 507 upper end of spring and circle
Disk lower end surface is connected, the arc-shaped structure in 506 lower end of threaded rod, in actual use, when pressing plate 509 is moved on screw
When side, threaded rod 506 is rotated, makes threaded rod 506 in 510 internal rotating of threaded hole, and move down, mobile pair of threaded rod 506
Pressing plate 509 generates downward thrust, moves down pressing plate 509, and pressing plate 509 is mobile to drive mobile bar 508 to move down, mobile
Bar 508 is mobile to drive disk to move down, and disk is mobile to generate compressing force to spring 2 507, shrinks spring 2 507, works as pressure
Plate 509 is moved to when fitting closely with screw upper side, and stop operating threaded rod 506, which improves screw installation
Stability, avoid screw loosening.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes are embraced therein.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of valve limit switch with blast resistance construction, including Switch main body, cover board, proof assembl, stabilizer blade and anti-loosening
Component, it is characterised in that: the cover board is mounted on Switch main body upper surface, and the proof assembl is arranged on the left of Switch main body
Face, the stabilizer blade are fixed on Switch main body lower end surface, and the stabilizer blade upper side offers connection through-hole, the anti-loosening component peace
On stabilizer blade, the proof assembl includes bend pipe, fixed frame, sliding block, sliding slot one, stomata, fixed link, alarm device, guide rod, bullet
Spring one, button switch, mobile box body and heat-conducting plate, the anti-loosening component includes fixed strip, sliding slot two, miniature screw rod, micro-
Type ball nut mount, L-type movable stand, threaded rod, spring two, mobile bar, pressing plate and threaded hole.
2. a kind of valve limit switch with blast resistance construction according to claim 1, it is characterised in that: at described explosion-proof group
In part, the bend pipe left end is fixed on Switch main body inside left face, and the bend pipe left end passes through left side inside Switch main body,
And Switch main body left side is extended to, the fixed frame is fixed on Switch main body left side, and is connected inside bend pipe and fixed frame
Logical, fixed frame upper inside face and downside offer sliding slot one, the mobile cassette upper end face and lower end surface
It is respectively and fixedly provided with sliding block, the sliding block is separately mounted to inside sliding slot one, and the mobile box portion inside right side face is fixed with heat-conducting plate,
The guide rod right end is fixed on mobile box body left side, and the guide rod left end passes through fixed link, and extends on the left of fixed link, institute
It states guide rod annular side and is provided with spring one, one left end of spring is fixed on fixed link right side, and one right end of spring is solid
It is scheduled on mobile box body left side, the button switch is mounted on fixed link right side, and the alarm device is mounted on the left of fixed link
Face, the alarm device are connected by electric wire with button switch, and the fixed frame upper surface and lower end surface left part position are opened
Equipped with stomata.
3. a kind of valve limit switch with blast resistance construction according to claim 2, it is characterised in that: the button switch
It is connected by electric wire with external power supply, on the upside of the alarm device and fixed link left side of downside offers circular hole, institute
Guide rod is stated equipped with two, the guide rod right end is each attached to mobile box body left side, and the guide rod left end passes through circular hole, in reality
In use process, when gas leaks to inside Switch main body, gas is discharged by bend pipe, and gas is in the mistake by bend pipe
It is radiated for the first time in journey, reduces temperature, when gas flows to inside fixed frame, gas generates pushing away to the left to mobile box body
Power is moved to the left mobile box body, and the mobile mobile band movable slider of box body moves inside sliding slot one, while mobile box body drive is led
Bar is moved to the left, and generates compressing force to spring one, shrinks spring one, when mobile box body is moved on the left of stomata, gas
It is discharged outside to by stomata, while mobile box body continues to be moved to the left, and is in contact with button switch, generates to button switch
Pressure is closed button switch, so that the circuit between alarm device and external power supply is connected, so that alarm device work issues police
Report enables staff to know the case where gas leaks in time, and is handled.
4. a kind of valve limit switch with blast resistance construction according to claim 2, it is characterised in that: the mobile box body
Left side offers discharge port, and Non-return air valve is equipped with inside discharge port, and the mobile tray interior has been filled with liquid fluorine chlorine
High, the mobile box body left side upper position is machined with entrance, and inlet internal is equipped with sealing-plug, in actual use process
In, when gas flows to inside fixed frame along bend pipe, gas is in contact with heat-conducting plate, to make the temperature liter of heat-conducting plate
Height, the high heat absorbed on heat-conducting plate of liquid fluorine chlorine and gasification, are then discharged by discharge port, then make to flow in fixed frame
The gas temperature in portion further decreases, and when staff overhauls, has used when liquid fluorine chlorine is high, staff passes through entrance
The high addition of liquid fluorine chlorine is carried out, which further decreases the temperature of gas.
5. a kind of valve limit switch with blast resistance construction according to claim 1, it is characterised in that: described anti-loosening
In component, the fixed strip is fixed on stabilizer blade right side upper position, and the sliding slot two is provided with fixed strip right side, described micro-
Type screw rod is mounted on inside sliding slot two, and the Miniature ball nut seat is mounted on miniature screw rod annular side, the L-type movable stand
It is fixed on Miniature ball nut seat right side, the L-type movable stand upper side right station offers threaded hole, the threaded hole
Inside is equipped with threaded rod, and on the left of the threaded rod and L-type movable stand upper surface on right side is provided with mobile bar, the shifting
Lever lower end passes through L-type movable stand, and is fixed on pressing plate upper surface, and the mobile bar upper end is respectively and fixedly provided with spring two, the bullet
Two lower end of spring is connected with L-type movable stand upper surface.
6. a kind of valve limit switch with blast resistance construction according to claim 5, it is characterised in that: the Miniature ball
Nut seat is connected by ball nut pair with miniature screw rod, and the miniature screw rod rear end is fixed with small-sized handle, and small-sized
Hand outer surface is enclosed with Anti-slip cover, in actual use, rotates small-sized handle, small-sized handle rotation band actuating miniature screw rod turns
Dynamic, the rotating operation of the miniature screw rod of ball nut adjutant is converted to the linear motion of Miniature ball nut seat, thus Miniature ball
Nut seat drives L-type movable stand mobile, and L-type movable stand is mobile mobile by mobile bar band dynamic pressure plate, when pressing plate is moved to connection
When on rear side of through-hole, stop operating small-sized handle, and then attachment screw is mounted on inside connection through-hole, is then rotated backward small-sized
Handle is moved to L-type movable stand band dynamic pressure plate right above screw, will not be to the installation of screw convenient for the movement of L-type movable stand
It causes to hinder.
7. a kind of valve limit switch with blast resistance construction according to claim 5, it is characterised in that: in the mobile bar
End is fixed with disk, and two upper end of spring is connected with disk lower end surface, the arc-shaped structure in threaded rod lower end, in reality
In use process, when pressing plate is moved on the upside of screw, threaded rod is rotated, makes threaded rod in threaded hole internal rotating, and downwards
Mobile, threaded rod movement generates downward thrust to pressing plate, moves down pressing plate, and pressing plate is mobile to drive mobile bar to moving down
Dynamic, mobile bar is mobile to drive disk to move down, and disk is mobile to generate compressing force to spring two, shrinks spring two, works as pressing plate
It is moved to when being fitted closely with screw upper side, stop operating threaded rod, which improves the stability of screw installation,
Avoid screw loosening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820915819.4U CN208546600U (en) | 2018-06-13 | 2018-06-13 | A kind of valve limit switch with blast resistance construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820915819.4U CN208546600U (en) | 2018-06-13 | 2018-06-13 | A kind of valve limit switch with blast resistance construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208546600U true CN208546600U (en) | 2019-02-26 |
Family
ID=65422065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820915819.4U Expired - Fee Related CN208546600U (en) | 2018-06-13 | 2018-06-13 | A kind of valve limit switch with blast resistance construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208546600U (en) |
-
2018
- 2018-06-13 CN CN201820915819.4U patent/CN208546600U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190226 Termination date: 20210613 |
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| CF01 | Termination of patent right due to non-payment of annual fee |