CN208722807U - A kind of follow-on vacuum switch - Google Patents
A kind of follow-on vacuum switch Download PDFInfo
- Publication number
- CN208722807U CN208722807U CN201821610606.7U CN201821610606U CN208722807U CN 208722807 U CN208722807 U CN 208722807U CN 201821610606 U CN201821610606 U CN 201821610606U CN 208722807 U CN208722807 U CN 208722807U
- Authority
- CN
- China
- Prior art keywords
- middle position
- vacuum switch
- follow
- vacuum
- insulation shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Thermal Insulation (AREA)
Abstract
The utility model provides a kind of follow-on vacuum switch, including insulation shell, vacuum detecting bag structure, adsorbable installation dish structure, dismountable heat radiation seat structure, moved end lid, static side lid, static conductive rod, static contact, moving contact, spring cover block, shielding case, link block, connecting column, step, bellows and moving conductive rod.The setting of the utility model fixing seat, sliding slot, clamping plate, condensate film, liquid injection pipe and pipe close is conducive to the heat dissipation effect for increasing the vacuum switch, avoids temperature excessively high；The setting of sucker, attachment base and circular through hole is conducive to facilitate and installs the vacuum switch；The setting of vacuum bag, connecting tube, closed head, installing pipe and casing, be conducive to facilitate judge the vacuum switch whether gas leakage.
Description
Technical field
The utility model belongs to technical field of electrical components more particularly to a kind of follow-on vacuum switch.
Background technique
Vacuum switch tube also known as vacuum interrupter make mesohigh circuitry cuts power supply by the excellent insulating properties of vacuum in pipe
After blow-out and electric current can be inhibited rapidly, avoid accident and unexpected occur.With energy conservation, section material, fire prevention, explosion-proof, small in size, longevity
The advantages that life is long, maintenance cost is low, reliable for operation and pollution-free, the conducting of existing vacuum switch structure be using movable contact with
Stationary contact point contact, but the excessive generation for easily leading to contact deflection of contact momentum of the contact with contact and contact with conducting rod.
In view of problem mentioned above, the utility model designs a kind of vacuum switch, mentioned above to solve the problems, such as.
China Patent Publication No. is CN207624620U, and invention and created name is a kind of vacuum switch, including insulation crust,
It is provided with static side lid at the top of the insulation crust, fixing bolt is provided at the top of the static side lid, the static side lid passes through
Fixing bolt is connect with insulation crust, and the bottom of the insulation crust is provided with moved end lid, and the inner cavity of the moved end lid is plugged with
Moving conductive rod.But there is also heat dissipation effect is poor for existing vacuum switch, it has not been convenient to install and be inconvenient to check switch internal
Whether gas leakage the problem of.
Therefore, a kind of follow-on vacuum switch is invented to be very necessary.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of follow-on vacuum switch, existing to solve
Vacuum switch heat dissipation effect is poor, it has not been convenient to installation and be inconvenient to check switch internal whether gas leakage the problem of.It is a kind of follow-on
Vacuum switch, including insulation shell, vacuum detecting bag structure, adsorbable installation dish structure, dismountable heat radiation seat structure, moved end lid,
Static side lid, static conductive rod, static contact, moving contact, spring cover block, shielding case, link block, connecting column, step, bellows and dynamic
Conducting rod, the insulation shell lower part are glued to the top left and right ends of moved end lid respectively；The vacuum detecting bag structure is right
Side is connected to the left upper portion of insulation shell；The adsorbable mounting disc structure bottom is connected to the top of static side lid；Described
The right side of insulation shell is connected on the left of dismountable heat radiation seat structure；The static side lid lower bolt is connected to the upper of insulation shell
Portion；The static conductive rod upper bolt is connected to the upper inside middle position of insulation shell；Described static contact top or so
Two sides are bolted to the lower part of the spring of top setting respectively；It is bolted to respectively at left and right sides of the moving contact lower part
The top of the spring of lower part setting；The spring top of the top setting is bolted to respectively under the set block of top setting
At left and right sides of portion；The spring lower part of the lower part setting is bolted to top of set block of lower part setting or so two respectively
Side；The set block upper middle position of the top setting is bolted to the lower part of static conductive rod；The lower part setting
Set block lower middle position is bolted to the top of connecting column；Middle position is bolted to respectively on the outside of the shielding case
The inside middle position of link block；Left and right sides top inside insulation shell is bolted on the outside of the link block respectively；Institute
The connecting column lower bolt stated is connected to the upper middle position of step；The step lower middle position is bolted to dynamic
The top of conducting rod；The bellows is socketed on the upside of the outer wall of moving conductive rod；The bellows lower part is glued to moved end
The upper middle position of lid；The upper inside middle position of moved end lid is run through on the moving conductive rod top；The vacuum inspection
Surveying bag structure includes vacuum bag, connecting tube, closed head, installing pipe, casing and sealing pad, middle position on the right side of the vacuum bag
Opening is glued to the left side of connecting tube；Run through the bosom position of closed head on the right side of the connecting tube and is threaded in
The left side middle position of installing pipe；The left side of installing pipe is glued on the right side of the closed head；The casing is socketed in installation
On the right side of the outer wall of pipe；The right side of casing is glued on the left of the sealing pad；The sealing pad is socketed in the outer wall of installing pipe
Right side；It is glued on the inside of the sealing pad on the right side of the outer wall of installing pipe.
Preferably, the shielding case specifically uses foreign white copper cover.
Preferably, the left upper portion of insulation shell is glued on the right side of the sealing pad.
Preferably, the left upper portion of insulation shell is threaded on the right side of the installing pipe.
Preferably, the adsorbable installation dish structure includes sucker, attachment base, circular through hole, nut, threaded rod and branch
Strut, the sucker lower thread are connected to the top of threaded rod；The circular through hole is provided with the interior of attachment base respectively
At left and right sides of portion；The inside of circular through hole is run through in the threaded rod lower part；Nut is threaded on the downside of the threaded rod
Inside；The support rod top is threaded in the lower middle position of attachment base.
Preferably, the support rod lower bolt is connected to the upper middle position of static side lid.
Preferably, the dismountable heat radiation seat structure includes fixing seat, sliding slot, clamping plate, anti-slip layer, condensate film, fluid injection
Pipe and pipe close, the sliding slot are longitudinally provided with the inner right side of fixing seat；Activity is connected to cunning respectively on the left of the clamping plate
The inner right side upper and lower ends of slot；The inside right part of clamping plate is glued on the outside of the anti-slip layer respectively；The condensate film is vertical
To the inside middle position for being installed in anti-slip layer；The right upper portion of condensate film is threaded on the left of the liquid injection pipe；It is described
Pipe close lower thread be connected to liquid injection pipe upper inside；The clamping plate and fixing seat junction bolt is fixed.
Preferably, the anti-slip layer specifically uses rubber layer.
Preferably, the condensate film specifically uses aluminium flake.
Preferably, the right side middle position of insulation shell is bolted on the left of the fixing seat.
Preferably, the left upper portion of insulation shell is run through on the right side of the installing pipe.
Preferably, the vacuum bag specifically uses vacuum PVC plastic material bag.
Compared with prior art, the utility model has the following beneficial effects:
1. in the utility model, the fixing seat, sliding slot, clamping plate, condensate film, the setting of liquid injection pipe and pipe close, favorably
In the heat dissipation effect for increasing the vacuum switch, avoid temperature excessively high.
2. in the utility model, the sucker, the setting of attachment base and circular through hole is conducive to facilitate and installs the vacuum
Switch.
3. in the utility model, the vacuum bag, connecting tube, closed head, the setting of installing pipe and casing, the side of being conducive to
Just judge the vacuum switch whether gas leakage.
4. in the utility model, the setting of the shielding case is beneficial to prevent electromagnetic interference.
5. in the utility model, the nut, the setting of threaded rod and support rod is conducive to adjust the vacuum switch
Mounting height.
6. in the utility model, the setting of the anti-slip layer is beneficial to prevent condensate film and falls off.
7. in the utility model, the setting of the sealing pad is beneficial to prevent the junction leakage of installing pipe and insulation shell
Gas.
8. in the utility model, the setting of the spring is conducive to increase the cushion effect closed the switch.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of vacuum switch described in the utility model.
Fig. 2 is the structural schematic diagram of vacuum detecting bag structure in vacuum switch described in the utility model.
Fig. 3 is the structural schematic diagram of adsorbable installation dish structure in vacuum switch described in the utility model.
Fig. 4 is the structural schematic diagram of dismountable heat radiation seat structure in vacuum switch described in the utility model.
In figure: 1, insulation shell；2, vacuum detecting bag structure；21, vacuum bag；22, connecting tube；23, closed head；24, it installs
Pipe；25, casing；26, sealing pad；3, adsorbable installation dish structure；31, sucker；32, attachment base；33, circular through hole；34, spiral shell
It is female；35, threaded rod；36, support rod；4, dismountable heat radiation seat structure；41, fixing seat；42, sliding slot；43, clamping plate；44, anti-skidding
Layer；45, condensate film；46, liquid injection pipe；47, pipe close；5, moved end lid；6, static side lid；7, static conductive rod；8, static contact；9, touching is moved
Head；10, spring；11, block is covered；12, shielding case；13, link block；14, connecting column；15, step；16, bellows；17, moving conductive
Bar.
Specific embodiment
The utility model is described further below in conjunction with attached drawing:
Embodiment:
As shown in attached drawing 1 to attached drawing 4, the utility model provides a kind of follow-on vacuum switch, including insulation shell 1, very
Sky detection bag structure 2, adsorbable installation dish structure 3, dismountable heat radiation seat structure 4, moved end lid 5, static side lid 6, static conductive rod 7,
Static contact 8, moving contact 9, spring 10 cover block 11, shielding case 12, link block 13, connecting column 14, step 15, bellows 16 and dynamic
Conducting rod 17,1 lower part of insulation shell are glued to the top left and right ends of moved end lid 5 respectively；The vacuum detecting bag knot
The left upper portion of insulation shell 1 is connected on the right side of structure 2；Adsorbable 3 lower part of installation dish structure is connected to the upper of static side lid 6
Portion；The right side of insulation shell 1 is connected on the left of the dismountable heat radiation seat structure 4；6 lower bolt of static side lid is connected to
The top of insulation shell 1；7 upper bolt of static conductive rod is connected to the upper inside middle position of insulation shell 1；Described is quiet
The lower part of the spring 10 of top setting is bolted at left and right sides of 8 top of contact respectively；Described 9 lower part of moving contact or so two
Side is bolted to the top of the spring 10 of lower part setting respectively；10 top of spring of the top setting is bolted respectively
At left and right sides of the lower part of the set block 11 of top setting；10 lower part of spring of the lower part setting is bolted to lower part respectively
At left and right sides of the top of the set block 11 of setting；11 upper middle position of set block of the top setting is bolted to quiet conduction
The lower part of bar 7；Set 11 lower middle position of block of the lower part setting is bolted to the top of connecting column 14；The screen
Cover the inside middle position that 12 outside middle position of cover is bolted to link block 13 respectively；On the outside of the link block 13 respectively
It is bolted to 1 inside left and right sides top of insulation shell；14 lower bolt of connecting column is connected in the top of step 15
Between position；15 lower middle position of step is bolted to the top of moving conductive rod 17；The bellows 16 is socketed
On the upside of the outer wall of moving conductive rod 17；16 lower part of bellows is glued to the upper middle position of moved end lid 5；Described is dynamic
The upper inside middle position of moved end lid 5 is run through on 17 top of conducting rod；The vacuum detecting bag structure 2 includes vacuum bag 21,
Connecting tube 22, closed head 23, installing pipe 24, casing 25 and sealing pad 26, the 21 right side middle position opening of vacuum bag
It is glued to the left side of connecting tube 22；Run through the bosom position of closed head 23 on the right side of the connecting tube 22 and is threaded in
The left side middle position of installing pipe 24；The left side of installing pipe 24 is glued on the right side of the closed head 23；25 sets of the casing
It connects on the right side of the outer wall of installing pipe 24；The right side of casing 25 is glued on the left of the sealing pad 26；26 sets of the sealing pad
It connects on the right side of the outer wall of installing pipe 24；It is glued on the inside of the sealing pad 26 on the right side of the outer wall of installing pipe 24.
In above-described embodiment, specifically, the shielding case 12 specifically uses foreign white copper cover.
In above-described embodiment, specifically, being glued to the left upper portion of insulation shell 1 on the right side of the sealing pad 26.
In above-described embodiment, specifically, being threaded in the left upper portion of insulation shell 1 on the right side of the installing pipe 24.
In above-described embodiment, specifically, the adsorbable installation dish structure 3 includes sucker 31, attachment base 32 is round logical
Hole 33, nut 34, threaded rod 35 and support rod 36,31 lower thread of sucker are connected to the top of threaded rod 35；It is described
Circular through hole 33 be provided at left and right sides of the inside of attachment base 32 respectively；Circular through hole 33 is run through in 35 lower part of threaded rod
Inside；The inside of nut 34 is threaded on the downside of the threaded rod 35；36 top of support rod is threaded in
The lower middle position of attachment base 32.
In above-described embodiment, specifically, 36 lower bolt of support rod is connected to the top interposition of static side lid 6
It sets.
In above-described embodiment, specifically, the dismountable heat radiation seat structure 4 includes fixing seat 41, sliding slot 42, clamping plate
43, anti-slip layer 44, condensate film 45, liquid injection pipe 46 and pipe close 47, the longitudinal inside for being provided with fixing seat 41 of the sliding slot 42 are right
Side；Activity is connected to the inner right side upper and lower ends of sliding slot 42 respectively on the left of the clamping plate 43；44 outside of anti-slip layer
It is glued to the inside right part of clamping plate 43 respectively；The longitudinal inside middle position for being installed in anti-slip layer 44 of the condensate film 45；Institute
The right upper portion of condensate film 45 is threaded on the left of the liquid injection pipe 46 stated；47 lower thread of pipe close is connected to liquid injection pipe
46 upper insides；The clamping plate 43 and 41 junction bolt of fixing seat is fixed.
In above-described embodiment, specifically, the anti-slip layer 44 specifically uses rubber layer.
In above-described embodiment, specifically, the condensate film 45 specifically uses aluminium flake.
In above-described embodiment, specifically, being bolted to the right side interposition of insulation shell 1 on the left of the fixing seat 41
It sets.
In above-described embodiment, specifically, running through the left upper portion of insulation shell 1 on the right side of the installing pipe 24.
In above-described embodiment, specifically, the vacuum bag 21 specifically uses vacuum PVC plastic material bag.
Working principle
In the utility model, by loosening the bolt of clamping plate 43 and 41 junction of fixing seat, condensate film 45 is taken out, pipe is opened
Plug 47 injects condensate liquid into liquid injection pipe 46, and condensate liquid enters storage in condensate film 45, tightens condensate film 45 after pipe close 47
Again be installed between anti-slip layer 44, and tighten the bolt of 43 junction of fixing seat 41 and clamping plate, can for the vacuum switch into
Row cooling and heat dissipation；It is squeezed by the way that the top of sucker 31 is directed at installation place, can adsorb and fix the vacuum switch, turn spiral shell up and down
Mother 34, can slightly adjust the height of installation；Whether heaved by vacuum bag 21, it can be determined that inside the vacuum switch whether into
Enter air；When needing to carry out feed motion, bellows 16 carries out longitudinal flexible, drives moving conductive rod 17 to move up, moves
Contact 9 is contacted with static contact 8.
Using technical solution described in the utility model or those skilled in the art in technical solutions of the utility model
Under inspiration, similar technical solution is designed, and reaches above-mentioned technical effect, is the protection model for falling into the utility model
It encloses.
Claims (10)
1. a kind of follow-on vacuum switch, which is characterized in that follow-on vacuum switch includes insulation shell (1), vacuum inspection
It surveys bag structure (2), adsorbable installation dish structure (3), dismountable heat radiation seat structure (4), moved end lid (5), static side lid (6) is quiet to lead
Electric pole (7), static contact (8), moving contact (9), spring (10) cover block (11), shielding case (12), link block (13), connecting column
(14), step (15), bellows (16) and moving conductive rod (17), the insulation shell (1) lower part are glued to moved end lid (5) respectively
Top left and right ends；The left upper portion of insulation shell (1) is connected on the right side of the vacuum detecting bag structure (2)；Described can
Absorption installation dish structure (3) lower part is connected to the top of static side lid (6)；Connection on the left of the dismountable heat radiation seat structure (4)
On the right side of insulation shell (1)；Described static side lid (6) lower bolt is connected to the top of insulation shell (1)；The static conductive rod
(7) upper bolt is connected to the upper inside middle position of insulation shell (1)；At left and right sides of described static contact (8) top respectively
It is bolted to the lower part of the spring (10) of top setting；It is bolted to respectively at left and right sides of described moving contact (9) lower part
The top of the spring (10) of lower part setting；Spring (10) top of the top setting is bolted to top setting respectively
At left and right sides of the lower part for covering block (11)；Spring (10) lower part of the lower part setting is bolted to the set of lower part setting respectively
At left and right sides of the top of block (11)；Set block (11) upper middle position of the top setting is bolted to static conductive rod
(7) lower part；Set block (11) lower middle position of the lower part setting is bolted to the top of connecting column (14)；It is described
Shielding case (12) on the outside of middle position be bolted to the inside middle position of link block (13) respectively；The link block
(13) outside is bolted to the internal left and right sides top of insulation shell (1) respectively；Connecting column (14) the lower bolt connection
Upper middle position in step (15)；Described step (15) lower middle position is bolted to the upper of moving conductive rod (17)
Portion；The bellows (16) is socketed on the upside of the outer wall of moving conductive rod (17)；Described bellows (16) lower part is glued to dynamic
The upper middle position of end cap (5)；The upper inside middle position of moved end lid (5) is run through on moving conductive rod (17) top；
The vacuum detecting bag structure (2) includes vacuum bag (21), connecting tube (22), closed head (23), installing pipe (24), casing
(25) and sealing pad (26), the vacuum bag (21) right side middle position opening are glued to the left side of connecting tube (22)；Institute
Run through the bosom position of closed head (23) on the right side of the connecting tube (22) stated and is threaded in the left side of installing pipe (24)
Between position；The left side of installing pipe (24) is glued on the right side of the closed head (23)；The casing (25) is socketed in installing pipe
(24) on the right side of outer wall；The right side of casing (25) is glued on the left of the sealing pad (26)；Sealing pad (26) socket
On the right side of the outer wall of installing pipe (24)；It is glued on the inside of the sealing pad (26) on the right side of the outer wall of installing pipe (24).
2. follow-on vacuum switch as described in claim 1, which is characterized in that the shielding case (12) is specifically using ocean
Copper-nickel alloy cover.
3. follow-on vacuum switch as described in claim 1, which is characterized in that be glued on the right side of the sealing pad (26)
The left upper portion of insulation shell (1).
4. follow-on vacuum switch as described in claim 1, which is characterized in that screw thread connects on the right side of the installing pipe (24)
Connect the left upper portion in insulation shell (1).
5. follow-on vacuum switch as described in claim 1, which is characterized in that the adsorbable installation dish structure (3)
Including sucker (31), attachment base (32), circular through hole (33), nut (34), threaded rod (35) and support rod (36), the suction
Disk (31) lower thread is connected to the top of threaded rod (35)；The circular through hole (33) is provided with attachment base (32) respectively
The internal left and right sides；The inside of circular through hole (33) is run through in threaded rod (35) lower part；On the downside of the threaded rod (35)
It is threaded in the inside of nut (34)；Described support rod (36) top is threaded in the lower part interposition of attachment base (32)
It sets.
6. follow-on vacuum switch as claimed in claim 5, which is characterized in that support rod (36) lower bolt connects
Connect the upper middle position in static side lid (6).
7. follow-on vacuum switch as described in claim 1, which is characterized in that the dismountable heat radiation seat structure (4)
Including fixing seat (41), sliding slot (42), clamping plate (43), anti-slip layer (44), condensate film (45), liquid injection pipe (46) and pipe close (47),
The sliding slot (42) is longitudinally provided with the inner right side of fixing seat (41)；Activity is connected to respectively on the left of the clamping plate (43)
The inner right side upper and lower ends of sliding slot (42)；The inside right part of clamping plate (43) is glued on the outside of the anti-slip layer (44) respectively；
The condensate film (45) is longitudinally installed in the inside middle position of anti-slip layer (44)；Screw thread connects on the left of the liquid injection pipe (46)
Connect the right upper portion in condensate film (45)；Described pipe close (47) lower thread is connected to liquid injection pipe (46) upper inside；It is described
Clamping plate (43) and fixing seat (41) junction bolt fix.
8. follow-on vacuum switch as claimed in claim 7, which is characterized in that the anti-slip layer (44) specifically uses rubber
Glue-line.
9. follow-on vacuum switch as claimed in claim 7, which is characterized in that the condensate film (45) specifically uses aluminium
Piece.
10. follow-on vacuum switch as claimed in claim 7, which is characterized in that bolt on the left of the fixing seat (41)
It is connected to the right side middle position of insulation shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821610606.7U CN208722807U (en) | 2018-09-30 | 2018-09-30 | A kind of follow-on vacuum switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821610606.7U CN208722807U (en) | 2018-09-30 | 2018-09-30 | A kind of follow-on vacuum switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208722807U true CN208722807U (en) | 2019-04-09 |
Family
ID=65983057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821610606.7U Expired - Fee Related CN208722807U (en) | 2018-09-30 | 2018-09-30 | A kind of follow-on vacuum switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208722807U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987177A (en) * | 2018-09-30 | 2018-12-11 | 吕晓君 | A kind of follow-on vacuum switch |
| CN109935480A (en) * | 2019-04-29 | 2019-06-25 | 惠安耐亚节能科技有限公司 | A kind of contact arc extinguishing device of breaker |
| CN112038166A (en) * | 2020-09-17 | 2020-12-04 | 安徽普众机电有限公司 | High-voltage insulating ceramic vacuum switch tube |
-
2018
- 2018-09-30 CN CN201821610606.7U patent/CN208722807U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987177A (en) * | 2018-09-30 | 2018-12-11 | 吕晓君 | A kind of follow-on vacuum switch |
| CN109935480A (en) * | 2019-04-29 | 2019-06-25 | 惠安耐亚节能科技有限公司 | A kind of contact arc extinguishing device of breaker |
| CN112038166A (en) * | 2020-09-17 | 2020-12-04 | 安徽普众机电有限公司 | High-voltage insulating ceramic vacuum switch tube |
| CN112038166B (en) * | 2020-09-17 | 2022-08-23 | 安徽普众机电有限公司 | High-voltage insulating ceramic vacuum switch tube |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208722807U (en) | A kind of follow-on vacuum switch | |
| CN101551019A (en) | Built-in motor valve mounted in commercial combustion gas meter | |
| CN108987177A (en) | A kind of follow-on vacuum switch | |
| CN103836467A (en) | Self-heat-dissipating type lamp structure preventing sucking back and achieving method | |
| CN110880696A (en) | Waterproof type power distribution cabinet | |
| CN206896635U (en) | A kind of automatic fire control safety distribution cabinet | |
| CN112420343B (en) | Fully-sealed oil-immersed power transformer | |
| CN209084213U (en) | A kind of building water pipe head protective device | |
| CN203982059U (en) | CCD camera heat abstractor | |
| CN204331487U (en) | A kind of fluid level controller | |
| CN205678633U (en) | A kind of heat dissipation LED power supply | |
| CN220914044U (en) | Sealing cover plate of capacitor | |
| CN211578540U (en) | Indoor strut type current transformer with good protection effect | |
| CN202408474U (en) | Novel electric cup | |
| CN201445341U (en) | Overpressure protection float valve for pressure cooker | |
| CN216593486U (en) | Be used for photovoltaic power plant operation monitoring display instrument | |
| CN111029916A (en) | Power equipment keeps apart safety seal device | |
| CN219144981U (en) | Gear tensioning film shaft line passing device | |
| CN214745382U (en) | Tri-proof lamp with storage battery | |
| CN209725995U (en) | A kind of LED underground lamp of rain-proof water penetration | |
| CN216768360U (en) | Low-temperature simple core-pulling valve | |
| CN212751481U (en) | Waterproof shock-resistant outdoor electric power cabinet | |
| CN209689795U (en) | A kind of monocrystalline silicon pressure transmitter | |
| CN213575846U (en) | Y-shaped angle valve seat | |
| CN215772106U (en) | High-low voltage wiring separating mechanism of high-voltage vacuum power distribution device |
Legal Events
| 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: 20190409 Termination date: 20190930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |