CN106545233B - Switchgear rear cabinet door is anti-error to tear magnetic key operated lock open - Google Patents
Switchgear rear cabinet door is anti-error to tear magnetic key operated lock open Download PDFInfo
- Publication number
- CN106545233B CN106545233B CN201611117395.9A CN201611117395A CN106545233B CN 106545233 B CN106545233 B CN 106545233B CN 201611117395 A CN201611117395 A CN 201611117395A CN 106545233 B CN106545233 B CN 106545233B
- Authority
- CN
- China
- Prior art keywords
- tubular section
- magnetic
- wall
- cabinet door
- key operated
- 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.)
- Active
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052802 copper Inorganic materials 0.000 claims abstract description 22
- 239000010949 copper Substances 0.000 claims abstract description 22
- 238000003860 storage Methods 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims description 5
- 244000241796 Christia obcordata Species 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 3
- 229910052742 iron Inorganic materials 0.000 claims 1
- 230000001681 protective effect Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/16—Use of special materials for parts of locks
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B19/00—Keys; Accessories therefor
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B19/00—Keys; Accessories therefor
- E05B19/0017—Key profiles
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0038—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/16—Use of special materials for parts of locks
- E05B15/1635—Use of special materials for parts of locks of plastics materials
- E05B2015/1664—Use of special materials for parts of locks of plastics materials for lock housing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Patch Boards (AREA)
- Lock And Its Accessories (AREA)
Abstract
Magnetic key operated lock is torn open the invention discloses a kind of switchgear rear cabinet door is anti-error, is related to electric power or operated by magnetic force or control lock or other affixed device arts.The magnetic key operated lock includes non-magnetic shell, run through the accommodating cavity of its upper and lower surface there are one being set on the left of non-magnetic shell, storage tank there are one being set on the right side of shell, storage tank covers on the screw for needing tamper, strong magnets are pulled in first boss structure, the periphery of copper lock core is equipped with annulus, the periphery of copper lock core between the annulus and strong magnets is arranged with spring, the spring is in compressive state, so that the annulus is compressed in by the elastic force of spring in second boss, the inner wall of third tubular section is equipped with screw thread；Key includes fixed column and the threaded rod positioned at fixed column one end, and the threaded rod is adapted with the screw thread of the third tubular section inner wall.The magnetic key operated lock can protect the subsequent screw of switchgear, can effectively prevent the generation for accidentally tearing accident open, keep the use of the switchgear safer.
Description
Technical field
The present invention relates to electric power or operated by magnetic force or control lock or other affixed device arts, more particularly to it is a kind of
Switchgear rear cabinet door is anti-error to tear magnetic key operated lock open.
Background technology
Switchgear（switch cabinet）It is a kind of electrical equipment, switchgear outside line is introduced into master switch in cabinet, so
Enter sub-control switch afterwards, each branch is set according to its needs.Such as instrument, automatic control, motor magnetic switch, various A.C. contactors
Deng some also sets hyperbaric chamber and low-pressure chamber switchgear, is equipped with high voltage bus, such as power plant, and some is additionally provided with mainly to be set to protect
Standby low-frequency load reduction.
Switchgear（switchgear）Main function be generated electricity in electric system, transmitted electricity, the conversion of distribution and electric energy
During, opened and closed, controlled and protected electrical equipment.Component in switchgear mainly has breaker, disconnecting switch, load
The compositions such as switch, operating mechanism, mutual inductor and various protective devices.There are many sorting technique of switchgear, such as pass through breaker
Mounting means can be divided into withdraw-type switch cabinet and fixed switching cabinet；Or the difference according to cabinet body structure, open type can be divided into
Switchgear, metal closed switch cabinet and metal enclosed armoured switch cabinet；It can be divided into high-voltage switch gear again according to voltage class is different
Cabinet, Medium Voltage Switchgear and low-tension switch cabinet etc..It is primarily adapted for use in power plant, substation, petrochemical industry, metallurgical steel rolling, light industry spinning
It knits, the various different occasions such as industrial enterprise and residential quarters, skyscraper.
During using switchgear, the safety accident that switchgear rear cabinet door accidentally tears initiation open rises year after year, causes life
Casualty accident influences great, seriously threatens the life security of power worker, and in the prior art there are no there is one kind can
Screw on switchgear rear cabinet door is protected, the device for opening rear cabinet door by the screw dismantled on rear cabinet door is prevented.
Invention content
Magnetic key operated lock, the magnetic key operated lock are torn open technical problem to be solved by the invention is to provide a kind of switchgear rear cabinet door is anti-error
The subsequent screw of switchgear can be protected, can effectively prevent the generation for accidentally tearing accident open, make making for the switchgear
With safer.
In order to solve the above technical problems, the technical solution used in the present invention is：A kind of switchgear rear cabinet door is anti-error to tear magnetic open
Power is locked, it is characterised in that：Including non-magnetic shell, set on the left of the non-magnetic shell there are one run through its upper and lower surface appearance
Chamber is set, is set on the right side of the shell there are one storage tank, the storage tank covers on the screw for needing tamper, the accommodating cavity
Interior to be equipped with magnet housing, the magnet housing includes the first tubular section, the second tubular section and third tubular section, the first tubular section
Internal diameter is more than the internal diameter of the second tubular section, and the internal diameter of the second tubular section is more than the internal diameter of third tubular section, described first
First boss structure is formed between the inner wall of shape section and the inner wall of the second tubular section, strong magnets are pulled on the first boss knot
On structure, and the center of strong magnets is equipped with through-hole, and second is formed between the inner wall and the inner wall of third tubular section of the second tubular section
The periphery of boss structure, copper lock core is equipped with annulus, and the periphery of the copper lock core between the annulus and strong magnets is arranged with bullet
Spring, the spring are in compressive state so that the annulus is compressed in by the elastic force of spring in the second boss, the copper lock
The upper end of core is located in the third tubular section, and the lower end of the copper lock core passes through through-hole and lower side in the strong magnets
Face and the lower face of the strong magnets are flush, and the inner wall of the third tubular section is equipped with screw thread；Key includes fixed column
With the threaded rod positioned at fixed column one end, the threaded rod is adapted with the screw thread of the third tubular section inner wall.
Preferably, the making material of the non-magnetic shell is nylon or plastics.
Preferably, the upper end of the copper lock core is equipped with axially extending guide post, and the diameter of the guide post is less than third
The end of the internal diameter of tubular section, the threaded rod of the key is equipped with axially extending groove, the guide post and the groove phase
Adaptation；Lateral distance between guide post and third tubular section internal thread is more than the wall thickness that the threaded rod has groove part.
Preferably, the through hole for running through its side wall and radially extending, the through hole are equipped in the fixed column of the key
It is interior to be equipped with cross bar.
Preferably, two butterfly wings are symmetrically arranged on the lateral wall of the fixed column of the key.
Preferably, the lateral wall of the fixed column of the key is rough structure.
Preferably, the side of the shell includes horizontal part, rake and vertical component effect.
It is using advantageous effect caused by above-mentioned technical proposal：When using the magnetic key operated lock, by the magnetic key operated lock
It covers on the cabinet door screw for needing to protect（The screw protected is needed to be provide with by the storage tank on shell）, magnetic key operated lock pass through strength
Magnet adsorption is in the cabinet door, in the case of no key, it is difficult to the magnetic key operated lock is dismantled, it can be effectively in cabinet door
Screw is protected, and is prevented the generation for accidentally tearing accident open, is kept the use of the switchgear safer.
When needing to dismantle the Protective lock, screw rod on the key is inserted into third tubular section, screw rod and third cylinder
Screw thread in shape section cooperates, and when rotating the key, screw rod on the key is moved downward relative to the magnetic key operated lock, when to
When lower movement certain distance, the downside end face of screw rod is contacted with the top end face of the copper lock core, continues to rotate the key, copper lock
Core compresses the spring and has an effect power with cabinet door, and the strong magnets on the magnetic key operated lock are detached with the cabinet door, at this point,
The magnetic key operated lock can smoothly be removed.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of magnetic key operated lock described in the embodiment of the present invention；
Fig. 2 is the schematic cross-sectional view of non-magnetic shell described in the embodiment of the present invention；
Fig. 3 is the schematic cross-sectional view of magnet housing described in the embodiment of the present invention；
Fig. 4 is the schematic cross-sectional view of key described in the embodiment of the present invention；
Wherein：1, non-magnetic shell 2, accommodating cavity 3, storage tank 4, magnet housing 41, the first tubular section 42, the second tubular section
43, third tubular section 5, strong magnets 6, copper lock core 61, annulus 62, guide post 7, spring 8, key 81, fixed column 82, screw thread
Bar.
Specific implementation mode
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still the present invention can be with
Implemented different from other manner described here using other, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
As shown in Figs. 1-3, magnetic key operated lock is torn open the embodiment of the invention discloses a kind of switchgear rear cabinet door is anti-error, including non-magnetic
Shell 1, as shown in Fig. 2, the left side of the non-magnetic shell 1 is set, there are one the accommodating cavity 2 for running through its upper and lower surface, the shells
Right side set there are one storage tank 3, the storage tank 3 covers on the screw for needing tamper.Magnet is equipped in the accommodating cavity 2
Shell 4, it is preferred that be bonded together by glue between magnet housing 4 and shell, as shown in figure 3, the magnet housing 4 includes first
The internal diameter of tubular section 41, the second tubular section 42 and third tubular section 43, the first tubular section 41 is more than the second tubular section 42
Internal diameter, the internal diameter of the second tubular section 42 are more than the internal diameter of third tubular section 43.
As shown in figs. 1 and 3, it is convex that first is formed between the inner wall and the inner wall of the second tubular section 42 of the first tubular section 41
Platform structure, strong magnets 5 are pulled in the first boss structure, and the center of strong magnets is equipped with through-hole.Second tubular section
Second boss structure is formed between 42 inner wall and the inner wall of third tubular section 43.As shown in Figure 1, the periphery of copper lock core 6 is equipped with
The periphery of annulus 61, the copper lock core 6 between the annulus 61 and strong magnets 5 is arranged with spring 7, and the spring 7 is in compression
State so that the annulus 61 is compressed in by the elastic force of spring 7 in the second boss.
As shown in Figure 1, the upper end of the copper lock core 6 is located in the third tubular section 43, the lower end of the copper lock core 6 is worn
Through-hole and the downside end face and the lower face of the strong magnets 5 crossed in the strong magnets 5 are flush, the third tubular section
43 inner wall is equipped with screw thread；Key 8 includes fixed column 81 and the threaded rod 82 positioned at 81 one end of fixed column, the threaded rod 82
It is adapted with the screw thread of 43 inner wall of third tubular section.
When using the magnetic key operated lock, the magnetic key operated lock is covered on the cabinet door screw for needing to protect（It needs to protect
Screw is provide with by the storage tank on shell）, magnetic key operated lock is adsorbed on by strong magnets 5 in the cabinet door, in the feelings of no key 8
Under condition, it is difficult to dismantle the magnetic key operated lock, effectively the screw in cabinet door can be protected, the generation for accidentally tearing accident open is prevented, make
The use of the switchgear is safer.
When needing to dismantle the Protective lock, the screw rod 82 on key 8 is inserted into third tubular section 43, screw rod 82 with
Screw thread in third tubular section 43 cooperates, and when rotating the key 8, the screw rod 82 on key 8 is relative to the magnetic key operated lock
It moves downward, when moving downward certain distance, the downside end face of screw rod 82 is contacted with the top end face of the copper lock core 6, is continued
Rotate the key 8, copper lock core 6 compresses the spring 7 and has an effect power with cabinet door, by the strong magnets on the magnetic key operated lock
5 detach with the cabinet door, at this point it is possible to smoothly remove the magnetic key operated lock.
Preferably, the making material of the non-magnetic shell 1 be nylon or plastics, can meet integral strength demand and
Non-magnetic demand can be met.
Preferably, the upper end of the copper lock core 6 is equipped with axially extending guide post 62, and the diameter of the guide post 62 is less than
The internal diameter of third tubular section 43.The end of the threaded rod 82 of the key 8 be equipped with axially extending groove, the guide post 62 with
The groove is adapted；Lateral distance between 43 internal thread of guide post 62 and third tubular section, which is more than the threaded rod 82, to be had
The wall thickness of groove part, to ensure that the screw rod 82 of the key can be smoothly inserted into the guide post.
It should be noted that the key is rotated in order to labour-saving, structure that there are many fixed columns of the key, the
It is a kind of：It is equipped with the through hole for running through its side wall and radially extending in the fixed column 81 of the key 8, cross is equipped in the through hole
Bar, can the labour-saving rotation key by cross bar；Second：It is symmetrically set on the lateral wall of the fixed column 81 of the key 8
It sets there are two butterfly wing, can rotate the key with labour-saving by the way that two butterfly wings are arranged.The third：The key 8 is consolidated
The lateral wall of fixed column 81 is rough structure.
In addition, in order to prevent being set the side body of the shell to by the human hand random movement magnetic key operated lock
It is inclined, make human hand be not easy to hold, and then it is made to be not easy to exert oneself, it is not easily moveable to achieve the purpose that.
Claims (7)
1. a kind of switchgear rear cabinet door is anti-error to tear magnetic key operated lock open, it is characterised in that：It is described non-magnetic outer including non-magnetic shell (1)
It sets that there are one the accommodating cavities (2) for running through its upper and lower surface on the left of shell (1), sets that there are one accommodating on the right side of the non-magnetic shell
Slot (3), the storage tank (3) cover on the screw for needing tamper, and magnet housing (4), the magnetic are equipped in the accommodating cavity (2)
Iron-clad (4) includes the first tubular section (41), the second tubular section (42) and third tubular section (43), the first tubular section (41)
Internal diameter is more than the internal diameter of the second tubular section (42), and the internal diameter of the second tubular section (42) is more than the interior of third tubular section (43)
Diameter forms first boss structure, strong magnetic between the inner wall of the first tubular section (41) and the inner wall of the second tubular section (42)
Iron (5) is pulled in the first boss structure, and the center of strong magnets be equipped with through-hole, the inner wall of the second tubular section (42) with
Second boss structure is formed between the inner wall of third tubular section (43), the periphery of copper lock core (6) is equipped with annulus (61), the annulus
(61) periphery of the copper lock core (6) between strong magnets (5) is arranged with spring (7), and the spring (7) is in compressive state,
So that the annulus (61) is compressed in by the elastic force of spring (7) in the second boss structure, the upper end position of the copper lock core (6)
In the third tubular section (43), the lower end of the copper lock core (6) passes through through-hole and lower side in the strong magnets (5)
The lower face in face and the strong magnets (5) is flush, and the inner wall of the third tubular section (43) is equipped with screw thread；Key (8)
Threaded rod (82) including fixed column (81) and positioned at fixed column (81) one end, the threaded rod (82) and the third tubular section
(43) screw thread of inner wall is adapted.
2. switchgear rear cabinet door as described in claim 1 is anti-error to tear magnetic key operated lock open, it is characterised in that：The non-magnetic shell (1)
Making material be nylon or plastics.
3. switchgear rear cabinet door as described in claim 1 is anti-error to tear magnetic key operated lock open, it is characterised in that：The copper lock core (6) it is upper
End is equipped with axially extending guide post (62), and the diameter of the guide post (62) is less than the internal diameter of third tubular section (43), described
The end of the threaded rod (82) of key (8) is equipped with axially extending groove, and the guide post (62) is adapted with the groove；It leads
Being more than the threaded rod (82) to the lateral distance between column (62) and third tubular section (43) internal thread has groove part
Wall thickness.
4. switchgear rear cabinet door as described in claim 1 is anti-error to tear magnetic key operated lock open, it is characterised in that：The fixation of the key (8)
It is equipped with the through hole for running through its side wall and radially extending in column (81), cross bar is equipped in the through hole.
5. switchgear rear cabinet door as described in claim 1 is anti-error to tear magnetic key operated lock open, it is characterised in that：The fixation of the key (8)
Two butterfly wings are symmetrically arranged on the lateral wall of column (81).
6. switchgear rear cabinet door as described in claim 1 is anti-error to tear magnetic key operated lock open, it is characterised in that：The fixation of the key (8)
The lateral wall of column (81) is rough structure.
7. switchgear rear cabinet door as described in claim 1 is anti-error to tear magnetic key operated lock open, it is characterised in that：The side of the shell includes
Horizontal part, rake and vertical component effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611117395.9A CN106545233B (en) | 2016-12-07 | 2016-12-07 | Switchgear rear cabinet door is anti-error to tear magnetic key operated lock open |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611117395.9A CN106545233B (en) | 2016-12-07 | 2016-12-07 | Switchgear rear cabinet door is anti-error to tear magnetic key operated lock open |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106545233A CN106545233A (en) | 2017-03-29 |
| CN106545233B true CN106545233B (en) | 2018-11-02 |
Family
ID=58396843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611117395.9A Active CN106545233B (en) | 2016-12-07 | 2016-12-07 | Switchgear rear cabinet door is anti-error to tear magnetic key operated lock open |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106545233B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459421A (en) * | 2019-08-26 | 2019-11-15 | 国网新疆电力有限公司阿勒泰供电公司 | Low pressure with misoperation-proof locking device is spaced apart switch |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201433607Y (en) * | 2009-04-10 | 2010-03-31 | 泉州市科安盾智能锁业有限公司 | Novel magnetic mechanical theft-proof lock |
| CN203361783U (en) * | 2013-07-01 | 2013-12-25 | 宁波赛姆特电气有限公司 | Magnetic rotating switch |
| CN204163507U (en) * | 2014-09-23 | 2015-02-18 | 杭州中瑞思创科技股份有限公司 | A kind of lock core of pin locking-type hard label |
| CN104806084A (en) * | 2015-03-12 | 2015-07-29 | 余虹仪 | Electromechanical combination hook lock magnetic force anti-theft lock |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4101030B2 (en) * | 2002-11-13 | 2008-06-11 | 株式会社日乃本錠前 | Magnetic lock key |
| JP2011236550A (en) * | 2010-04-30 | 2011-11-24 | Tokyo Jomae Seisakusho:Kk | Key difference stopper |
-
2016
- 2016-12-07 CN CN201611117395.9A patent/CN106545233B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201433607Y (en) * | 2009-04-10 | 2010-03-31 | 泉州市科安盾智能锁业有限公司 | Novel magnetic mechanical theft-proof lock |
| CN203361783U (en) * | 2013-07-01 | 2013-12-25 | 宁波赛姆特电气有限公司 | Magnetic rotating switch |
| CN204163507U (en) * | 2014-09-23 | 2015-02-18 | 杭州中瑞思创科技股份有限公司 | A kind of lock core of pin locking-type hard label |
| CN104806084A (en) * | 2015-03-12 | 2015-07-29 | 余虹仪 | Electromechanical combination hook lock magnetic force anti-theft lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106545233A (en) | 2017-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203039283U (en) | Locking mechanism for earthing switch of switch cabinet | |
| CN106545233B (en) | Switchgear rear cabinet door is anti-error to tear magnetic key operated lock open | |
| CN205195069U (en) | Prevent that open by mistake opens novel shutting baffle of cabinet door shrouding behind 10kV high tension switchgear | |
| CN202601860U (en) | Misoperation-preventive locking device of grounding pile | |
| CN205231532U (en) | Can prevent dead improvement mechanism of cubical switchboard badge | |
| CN203813304U (en) | 12 kV middle-set enclosed metal switchgear | |
| CN202273500U (en) | Novel program lock of high-voltage cabinet load switch for mines | |
| CN204156298U (en) | A kind of new type auto closing type switch cubicle | |
| CN105244206A (en) | Switch cabinet interlocking mechanism | |
| CN201174519Y (en) | Flame-proof permanent magnetic vacuum power distribution unit for mining | |
| CN204205309U (en) | A kind of automatic switch cabinet | |
| CN207368459U (en) | High security switchgear | |
| CN206962333U (en) | A kind of anti-dislocation electricity handle | |
| CN202391258U (en) | Novel program lock of mining high-voltage switch cabinet door | |
| CN201541076U (en) | Electric operation module of an electric chassis vehicle | |
| CN202142446U (en) | Safety lock for high-voltage switchgear vacuum circuit breaker | |
| CN105186310B (en) | The mechanical interlocks of outdoor compact type intelligent substation high-tension switch cabinet | |
| CN204885980U (en) | Low -voltage switchgear | |
| CN202711997U (en) | Grounding switch electromagnet locking and unlocking device | |
| CN102376486B (en) | Solid insulation independent grounding switch | |
| CN109103768A (en) | A kind of non-contact switch cabinet intelligent panel | |
| CN207847312U (en) | The special instruction lockset of opposite opened power switch cabinet | |
| CN207588250U (en) | With the switchgear of earthing switch interlocking | |
| CN217215556U (en) | Anti-misoperation device for switching-on and switching-off of switch cabinet of transformer substation | |
| CN209642101U (en) | Control box arrangement with high safety performance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |