CN209266995U - A kind of valve mechanism device - Google Patents
A kind of valve mechanism device Download PDFInfo
- Publication number
- CN209266995U CN209266995U CN201920005499.3U CN201920005499U CN209266995U CN 209266995 U CN209266995 U CN 209266995U CN 201920005499 U CN201920005499 U CN 201920005499U CN 209266995 U CN209266995 U CN 209266995U
- Authority
- CN
- China
- Prior art keywords
- connecting lever
- central axis
- plate
- shaft sleeve
- welding
- 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
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a kind of valve mechanism devices, including left side connecting plate, right side connecting plate, bearing support, supporting plate, latticing and guide rod, the left side connecting plate of the valve mechanism device is connect by the first fixed plate of the first central axis bottom with side cabinet, right side connecting plate is connect by the second bottom plate of the second central axis bottom with side cabinet, when handcart is advanced from experimental site to operating position, valve push plate loaded on handcart vehicle frame two sides pushes the first lower connecting lever simultaneously, connecting lever on first, first Lower shaft sleeve of connecting lever on second lower connecting lever and second, first Upper shaft sleeve, second Lower shaft sleeve and the second Upper shaft sleeve, connecting lever and the second lower connecting lever on first is set to pull latticing that lower valve is made to be displaced downwardly to open position under the first central axis and the second central axis rotation, simultaneously the and once on connecting lever second connecting lever is pushed away around the first central axis and the second central axis rotation Dynamic latticing makes to move to open position on valve, reduces valve and opens a possibility that distance not enough damages valve.
Description
Technical field
The utility model relates to switchgear technical field, specially a kind of valve mechanism device.
Background technique
Switchgear is a kind of electrical equipment, and switchgear outside line is introduced into master switch in cabinet, subsequently into sub-control switch, respectively
Branch is set according to its needs, main function be generated electricity in electric system, transmitted electricity, the conversion of distribution and electric energy during, into
Row folding, control and protection electrical equipment, if valve opens distance and is not enough to allow entrance of returning the vehicle to the garage and knock off, handcart moving contact is being advanced over
Cheng Zhonghui damages valve, and valve, which is opened, in handcart progradation not in place will lead to handcart contact arm to the insulation distance of valve not
It enough discharges, the insulation distance of metal dampers and static contact is too small to will affect insulation effect, therefore designs a kind of valve mechanism dress
Set be very it is necessary to.
Utility model content
The purpose of this utility model is to provide a kind of valve mechanism devices, to solve mentioned above in the background art ask
Topic.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solutions: a kind of valve mechanism device, including
Left side connecting plate, right side connecting plate, bearing support, supporting plate, latticing and guide rod, the left side connecting plate include under the first lower connecting lever, first
Pillar, reset spring, the first bottom plate, the first fixed plate, the first fixing groove, the first Lower shaft sleeve, turns on first at the first central axis
Arm, the first Upper shaft sleeve and the first upper supporting column, described first lower connecting lever one end are installed by welding with the first lower supporting rod, turn under described first
The arm other end is equipped with the first central axis, and reset spring, the described first lower connecting lever bottom are equipped on the outside of first central axis
First bottom plate is installed, and the first central axis passes through the first lower connecting lever and is weldingly connected with the first bottom plate, first bottom plate side
It is installed by welding with the first fixed plate, first fixed plate side offers several the first fixing grooves, and reset spring one end
It is fixed in the first fixing groove, first central axis side is installed by welding with the first Lower shaft sleeve, and the first Lower shaft sleeve is located at the
Connecting lever one end once, the first central axis top is equipped with connecting lever on first by axis card, and the reset spring other end is fixed
On first on the inside of connecting lever, first central axis side is installed by welding with the first Upper shaft sleeve, and the first Upper shaft sleeve is located at first
Upper connecting lever one end, the connecting lever other end is installed by welding with the first upper supporting column, and the first lower supporting rod and the first upper supporting column on described first
Mounting surface on the contrary, the right side connecting plate include the second lower connecting lever, the second lower supporting rod, the second central axis, the second Lower shaft sleeve, on second
Connecting lever, the second Upper shaft sleeve, the second upper supporting column, the second bottom plate, the second fixed plate and the second fixing groove, described second lower connecting lever one end
It is installed by welding with the second lower supporting rod, the described second lower connecting lever other end is equipped with the second central axis by axis card, in described second
Mandrel side is installed by welding with the second Lower shaft sleeve, and the second Lower shaft sleeve is outside second lower connecting lever one end, second central axis
Side is equipped with reset spring, and reset spring is located at the second lower connecting lever bottom, and the reset spring bottom, which is equipped on second, turns
Arm, second central axis side is installed by welding with the second Upper shaft sleeve, and the second Upper shaft sleeve is located at connecting lever one end on second, described
The connecting lever other end is installed by welding with the second upper supporting column on second, and second lower supporting rod and the second upper supporting column mounting surface are on the contrary, institute
It states connecting lever bottom on second and second fixed plate is installed, and the second central axis passes through connecting lever and the second bottom plate welding phase on second
Even, second bottom plate side is installed by welding with the second fixed plate, and it is second solid that second fixed plate side offers several
Determine slot, and reset spring one end is fixed in the second fixing groove, the reset spring other end is fixed on the inside of the second lower connecting lever,
The left side connecting plate and right side connecting plate bottom pass through bolt and are equipped with bearing support, first lower supporting rod, the first upper supporting column, the
Two lower supporting rods and the second upper supporting column are equipped with latticing by block card, and latticing is fixed on valve side, the guide rod by pin shaft
Valve side is mounted on by supporting plate.
Further, first lower supporting rod is opposite with the second lower supporting rod mounting surface.
Further, the reset spring and the first lower connecting lever, connecting lever on first, on the second lower connecting lever and second connecting lever it
Between be mounted on gasket.
Further, the described first lower connecting lever, connecting lever on first, connecting lever offers bolt on the second lower connecting lever and second
Hole, and connecting lever and the first central axis and the second center axis connection on the first lower connecting lever, connecting lever on first, the second lower connecting lever and second
Place side is arcuate structure.
Further, limit sleeve is installed by welding at the top of the guide rod.
Compared with prior art, the utility model beneficial effect achieved is:
1. the left side connecting plate of the valve mechanism device is connected by the first fixed plate and side cabinet of the first central axis bottom
It connects, right side connecting plate is connect by the second bottom plate of the second central axis bottom with side cabinet, and handcart is from experimental site to working position
When setting traveling, the valve push plate loaded on handcart vehicle frame two sides push simultaneously the first lower connecting lever, connecting lever on first, the second lower connecting lever and
First Lower shaft sleeve of connecting lever, the first Upper shaft sleeve, the second Lower shaft sleeve and the second Upper shaft sleeve on second, make on first under connecting lever and second
Connecting lever pulls latticing that lower valve is made to be displaced downwardly to open position under the first central axis and the second central axis rotation, while and once
Connecting lever pushes latticing to make to move to open position on upper valve around the first central axis and the second central axis rotation on connecting lever second, reduces
Valve opens a possibility that distance not enough damages valve；
2. the valve up and down of the valve mechanism device is moved up and down by supporting plate along guide rod, pass through left side connecting plate and right side
The distance controlling that connecting plate the opens distance that valve is opened up and down works as guide rod to control handcart contact arm to the insulation distance of valve
When being deformed by external force, the limit sleeve of guide rod end will limit the distance that upper and lower valve is opened, and avoid metal dampers and static contact
The too small initiation safety accident of insulation distance.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the whole front view of the utility model；
Fig. 2 is the whole side view of the utility model；
Fig. 3 is the left side link configuration schematic diagram of the utility model；
Fig. 4 is the right side link configuration schematic diagram of the utility model；
Fig. 5 is the supporting plate structure schematic diagram of the utility model；
Fig. 6 is the branching bolster structure schematic diagram of the utility model；
In figure: 1, left side connecting plate；2, right side connecting plate；3, bearing support；4, supporting plate；5, the first lower connecting lever；6, first lower
Column；7, the first central axis；8, reset spring；9, the first bottom plate；10, the first fixed plate；11, the first fixing groove；12, the first lower axle
Set；13, connecting lever on first；14, the first Upper shaft sleeve；15, the first upper supporting column；16, the second lower connecting lever；17, the second lower supporting rod；18,
Second central axis；19, the second Lower shaft sleeve；20, connecting lever on second；21, the second Upper shaft sleeve；22, the second upper supporting column；23, the second bottom
Plate；24, the second fixed plate；25, the second fixing groove；26, latticing；27, guide rod.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-6 is please referred to, the utility model provides a kind of technical solution: a kind of valve mechanism device, including left side connecting plate
1, right side connecting plate 2, bearing support 3, supporting plate 4, latticing 26 and guide rod 27, left side connecting plate 1 include the first lower connecting lever 5, first lower
Column 6, the first central axis 7, reset spring 8, the first bottom plate 9, the first fixed plate 10, the first fixing groove 11, the first Lower shaft sleeve 12,
Connecting lever 13, the first Upper shaft sleeve 14 and the first upper supporting column 15 on one, first lower 5 one end of connecting lever are installed by welding with the first lower supporting rod 6, the
Once 5 other end of connecting lever is equipped with the first central axis 7, and reset spring 8, the first lower 5 bottom of connecting lever are equipped on the outside of the first central axis 7
Portion is equipped with the first bottom plate 9, and the first central axis 7 passes through the first lower connecting lever 5 and is weldingly connected with the first bottom plate 9, the first bottom plate 9 one
Side is installed by welding with the first fixed plate 10, and 10 side of the first fixed plate offers several the first fixing grooves 11, and reset spring 8
One end is fixed in the first fixing groove 11, and 7 side of the first central axis is installed by welding with the first Lower shaft sleeve 12, and the first Lower shaft sleeve 12
Positioned at first lower 5 one end of connecting lever, connecting lever 13 on first is equipped with by axis card at the top of the first central axis 7, and reset spring 8 is another
End is fixed on 13 inside of connecting lever on first, and 7 side of the first central axis is installed by welding with the first Upper shaft sleeve 14, and the first Upper shaft sleeve 14
13 one end of connecting lever on first, 13 other end of connecting lever is installed by welding with the first upper supporting column 15 on first, and the first lower supporting rod 6 with
First upper supporting column, 15 mounting surface is on the contrary, right side connecting plate 2 includes the second lower connecting lever 16, the second lower supporting rod 17, the second central axis 18, the
Connecting lever 20, the second Upper shaft sleeve 21, the second upper supporting column 22, the second bottom plate 23, the second fixed plate 24 and on two Lower shaft sleeves 19, second
Two fixing grooves 25, second lower 16 one end of connecting lever are installed by welding with the second lower supporting rod 17, and second lower 16 other end of connecting lever passes through axis card
Second central axis 18 is installed, 18 side of the second central axis is installed by welding with the second Lower shaft sleeve 19, and the second Lower shaft sleeve 19 is located at
Second descends 16 one end of connecting lever, reset spring 8 is equipped on the outside of the second central axis 18, and reset spring 8 is located at the second lower connecting lever 16
Bottom, 8 bottom of reset spring are equipped with connecting lever 20 on second, connecting lever 13, second on reset spring 8 and the first lower connecting lever 5, first
Gasket is mounted on lower connecting lever 16 and second between connecting lever 20,18 side of the second central axis is installed by welding with the second Upper shaft sleeve
21, and the second Upper shaft sleeve 21 is located at 20 one end of connecting lever on second, 20 other end of connecting lever is installed by welding with the second upper supporting column on second
22, the second lower supporting rod 17 and 22 mounting surface of the second upper supporting column on the contrary, the first lower supporting rod 6 and 17 mounting surface of the second lower supporting rod on the contrary,
20 bottom of connecting lever is equipped with the second fixed plate 24 on second, and the second central axis 18 passes through connecting lever 20 and the second bottom plate 23 on second
Be weldingly connected, 23 side of the second bottom plate is installed by welding with the second fixed plate 24,24 side of the second fixed plate offer several
Two fixing grooves 25, and 8 one end of reset spring is fixed in the second fixing groove 25,8 other end of reset spring turns under being fixed on second
16 inside of arm, left side connecting plate 1 and 2 bottom of right side connecting plate pass through bolt and are equipped with bearing support 3, prop up on the first lower supporting rod 6, first
Column 15, the second lower supporting rod 17 and the second upper supporting column 22 are equipped with latticing 26 by block card, and latticing 26 is fixed on work by pin shaft
Door side, guide rod 27 are mounted on valve side by supporting plate 4, and limit sleeve, the first lower connecting lever are installed by welding at the top of guide rod 27
5, connecting lever 20 offers bolt hole on connecting lever 13 and the second lower connecting lever 16 second on first, and on the first lower connecting lever 5, first
Connecting lever 20 and the first central axis 7 and 18 junction side of the second central axis are arc on the lower connecting lever 16 and second of connecting lever 13, second
Structure；When in use, left side connecting plate 1 is connect by the first fixed plate 10 of 7 bottom of the first central axis with side cabinet, and right side connects
Plate 2 is connect by the second bottom plate 23 of 18 bottom of the second central axis with side cabinet, connecting lever 13 on first time connecting lever 5, first, the
Connecting lever 20 is respectively provided with the first Lower shaft sleeve 12, the first Upper shaft sleeve with handcart valve push plate cooperation on two lower connecting levers 16 and second
14, the second Lower shaft sleeve 19 and the second Upper shaft sleeve 21, upper valve pass through 20 phase of connecting lever on connecting lever 5 and second under latticing 26 and first
Even, lower valve is connected by latticing 26 with connecting lever 13 on first and the second lower connecting lever 16, and upper valve and lower valve can be in guide rods 27
Upper sliding, when handcart is advanced from experimental site to operating position, the valve push plate loaded on handcart vehicle frame two sides pushes the simultaneously
Once the first Lower shaft sleeve 12 of connecting lever 20 on the lower connecting lever 16 and second of connecting lever 13, second on connecting lever 5, first, the first Upper shaft sleeve 14,
Second Lower shaft sleeve 19 and the second Upper shaft sleeve 21 make connecting lever 13 and second on first descend connecting lever 16 in the first central axis 7 and second
The rotation of mandrel 18 is lower to pull latticing 26 that lower valve is made to be displaced downwardly to open position, at the same on the first lower connecting lever 5 and second connecting lever 20 around
First central axis 7 and the rotation of the second central axis 18 push latticing 26 to make to move to open position on valve, and handcart can smoothly enter into work
Make position, 20 counter motion of connecting lever on the first lower connecting lever 5 and second, upper valve when handcart retracts experimental site by operating position
Fall back to closed position under the effect of gravity, lower valve on first under connecting lever 13 and second under the drive of connecting lever 16 by resetting bullet
Closed position is moved under the action of spring 8, is reduced valve and is opened a possibility that distance not enough damages valve, passes through left side connecting plate 1
The distance that valve is opened above and below the distance controlling opened with right side connecting plate 2, thus control handcart contact arm to the insulation distance of valve,
When guide rod 27 is deformed by external force, the limit sleeve of 27 end of guide rod will limit the distance that upper and lower valve is opened, and avoid metal dampers
With the too small initiation safety accident of insulation distance of static contact.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of valve mechanism device, including left side connecting plate (1), right side connecting plate (2), bearing support (3), supporting plate (4), latticing
(26) and guide rod (27), it is characterised in that: the left side connecting plate (1) includes the first lower connecting lever (5), the first lower supporting rod (6), first
Central axis (7), reset spring (8), the first bottom plate (9), the first fixed plate (10), the first fixing groove (11), the first Lower shaft sleeve
(12), connecting lever (13), the first Upper shaft sleeve (14) and the first upper supporting column (15) on first, described first lower connecting lever (5) one end welding
It is equipped with the first lower supporting rod (6), described first lower connecting lever (5) other end is equipped with the first central axis (7), first central axis
(7) outside is equipped with reset spring (8), and described first lower connecting lever (5) bottom is equipped with the first bottom plate (9), and the first central axis
(7) it passes through first lower connecting lever (5) to be weldingly connected with the first bottom plate (9), it is solid that the first bottom plate (9) side is installed by welding with first
Fixed board (10), the first fixed plate (10) side offers several the first fixing grooves (11), and reset spring (8) one end is solid
It is scheduled in the first fixing groove (11), the first central axis (7) side is installed by welding with the first Lower shaft sleeve (12), and the first lower axle
It covers (12) and is located at first lower connecting lever (5) one end, the first central axis (7) top is equipped with connecting lever on first by axis card
(13), and reset spring (8) other end is fixed on the inside of connecting lever on first (13), the first central axis (7) side welding peace
Equipped with the first Upper shaft sleeve (14), and the first Upper shaft sleeve (14) is located at connecting lever (13) one end on first, connecting lever (13) on described first
The other end is installed by welding with the first upper supporting column (15), and the first lower supporting rod (6) with the first upper supporting column (15) mounting surface on the contrary, described
Right side connecting plate (2) includes second lower connecting lever (16), the second lower supporting rod (17), the second central axis (18), the second Lower shaft sleeve (19), the
Connecting lever (20), the second Upper shaft sleeve (21), the second upper supporting column (22), the second bottom plate (23), the second fixed plate (24) and second on two
Fixing groove (25), described second lower connecting lever (16) one end are installed by welding with the second lower supporting rod (17), described second lower connecting lever (16)
The other end is equipped with the second central axis (18) by axis card, and the second central axis (18) side is installed by welding with the second Lower shaft sleeve
(19), and the second Lower shaft sleeve (19) is located at second lower connecting lever (16) one end, is equipped with reset on the outside of second central axis (18)
Spring (8), and reset spring (8) is located at second lower connecting lever (16) bottom, reset spring (8) bottom, which is equipped on second, turns
Arm (20), the second central axis (18) side are installed by welding with the second Upper shaft sleeve (21), and the second Upper shaft sleeve (21) is located at the
Connecting lever (20) one end on two, connecting lever (20) other end is installed by welding with the second upper supporting column (22) on described second, under described second
Pillar (17) and the second upper supporting column (22) mounting surface are on the contrary, connecting lever (20) bottom is equipped with the second fixed plate on described second
(24), and the second central axis (18) passes through connecting lever (20) on second and is weldingly connected with the second bottom plate (23), second bottom plate
(23) side is installed by welding with the second fixed plate (24), and the second fixed plate (24) side offers several the second fixing grooves
(25), and reset spring (8) one end is fixed in the second fixing groove (25), and reset spring (8) other end is fixed on second
On the inside of lower connecting lever (16), the left side connecting plate (1) and right side connecting plate (2) bottom pass through bolt and are equipped with bearing support (3), described
First lower supporting rod (6), the first upper supporting column (15), the second lower supporting rod (17) and the second upper supporting column (22) are equipped with latticing by block card
(26), and latticing (26) by pin shaft is fixed on valve side, and the guide rod (27) is mounted on valve one by supporting plate (4)
Side.
2. a kind of valve mechanism device according to claim 1, it is characterised in that: first lower supporting rod (6) and second
Lower supporting rod (17) mounting surface is opposite.
3. a kind of valve mechanism device according to claim 1, it is characterised in that: under the reset spring (8) and first
Connecting lever (5), connecting lever (13) on first are mounted on gasket between connecting lever (20) on second lower connecting lever (16) and second.
4. a kind of valve mechanism device according to claim 1, it is characterised in that: described first lower connecting lever (5), on first
Connecting lever (20) offers bolt hole on connecting lever (13), second lower connecting lever (16) and second, and first time connecting lever (5), on first
Connecting lever (20) and the first central axis (7) and the second central axis (18) junction on connecting lever (13), second lower connecting lever (16) and second
Side is arcuate structure.
5. a kind of valve mechanism device according to claim 1, it is characterised in that: welding installation at the top of the guide rod (27)
There is limit sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920005499.3U CN209266995U (en) | 2019-01-03 | 2019-01-03 | A kind of valve mechanism device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920005499.3U CN209266995U (en) | 2019-01-03 | 2019-01-03 | A kind of valve mechanism device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209266995U true CN209266995U (en) | 2019-08-16 |
Family
ID=67584150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920005499.3U Expired - Fee Related CN209266995U (en) | 2019-01-03 | 2019-01-03 | A kind of valve mechanism device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209266995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110829258A (en) * | 2019-11-06 | 2020-02-21 | 广州智光用电服务有限公司 | Opening tool for static contact baffle of 10kV handcart type switch cabinet |
-
2019
- 2019-01-03 CN CN201920005499.3U patent/CN209266995U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110829258A (en) * | 2019-11-06 | 2020-02-21 | 广州智光用电服务有限公司 | Opening tool for static contact baffle of 10kV handcart type switch cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107845542A (en) | A kind of easy-to-mount relay module | |
| CN209266995U (en) | A kind of valve mechanism device | |
| KR100451372B1 (en) | Devise operating shutter of cradle for vacuum circuit breaker | |
| CN103015137B (en) | Full-automatic indoor and outdoor clothes drying rack | |
| CN202333570U (en) | Valve drive mechanism for high-voltage switch cabinet | |
| CN202564845U (en) | 40.5kV metal armoured withdrawable central-positioned high-tension switch cabinet | |
| CN209710006U (en) | A kind of photovoltaic panel support plate of Fast Installation photovoltaic panel | |
| CN205231532U (en) | Can prevent dead improvement mechanism of cubical switchboard badge | |
| CN104443980A (en) | Safety cabinet door of automatic medicine dispensing machine | |
| CN208985903U (en) | A kind of pole-mounted circuit breaker of 10kV | |
| CN208548628U (en) | A kind of electric automatization power distribution cabinet | |
| CN107086479B (en) | Handcart circuit breaker, interlocking limit self-locking device thereof and handcart type combined electrical appliance | |
| CN202997387U (en) | Handcart locking control device | |
| CN206116874U (en) | Zero sequence current transformer installation device | |
| CN201611733U (en) | Novel contact box for high-voltage switchgears | |
| CN209009913U (en) | A kind of elbow clip lower mechanical preventing device of elevator | |
| CN202423938U (en) | Closing interlock and capacitor cabinet | |
| CN207150009U (en) | A kind of metal armored movable central switch cabinet valve mechanism | |
| CN101908424A (en) | Anti-locking mechanism of switch apparatus | |
| CN218433333U (en) | General type circuit breaker dolly guide rail | |
| CN2443513Y (en) | Safety movable door device for movable switch cabinet | |
| CN207098363U (en) | A kind of power distribution cabinet being moved easily | |
| CN201340983Y (en) | Automatic locking device for withdrawing metal-clad and metal-closed switch cabinet valve | |
| CN210945480U (en) | Automatic door bolt opening and closing device of coke pusher | |
| CN216638588U (en) | Pressure-proof device for automatic door of construction elevator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190816 Termination date: 20200103 |