CN208157315U - Earthing switch back door interlocking device - Google Patents
Earthing switch back door interlocking device Download PDFInfo
- Publication number
- CN208157315U CN208157315U CN201820772313.2U CN201820772313U CN208157315U CN 208157315 U CN208157315 U CN 208157315U CN 201820772313 U CN201820772313 U CN 201820772313U CN 208157315 U CN208157315 U CN 208157315U
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- back door
- transmission component
- support
- limit sleeve
- locking part
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- 230000005540 biological transmission Effects 0.000 claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000000670 limiting effect Effects 0.000 claims description 19
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 10
- 230000006872 improvement Effects 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
A kind of earthing switch back door interlocking device.The back door interlock for solving existing earthing switch is complicated, interlocks insecure problem.It includes the first support, second support, transmission component and operating shaft, the interlocking mechanism includes locking part and guiding axis, the locking part has the second position for mutually interlocking the first position for avoiding back door opening with locking member on back door and opening after unlock convenient for back door, the operating shaft is equipped with the limit sleeve being connected with operating shaft, the limit sleeve has the first state limited in grounding switch tripping to transmission component and unlocks the second state so that the opposite second support sliding of transmission component, when locking part is in the second position, the limit sleeve cooperates with transmission component rotary spacing；When limit sleeve is in first state, the locking part is limited by transmission component.The utility model also has many advantages, such as that structure is simple, easy for installation, interlocking is reliable.
Description
Technical field
The utility model relates to a kind of circuit breaker interlocking devices, and in particular to a kind of earthing switch back door interlocking device.
Background technique
Earthing switch (earthing switch), is the mechanical switch for circuit ground part, in high-tension switch cabinet
Earthing switch be as maintenance when ensure personal safety, a kind of mechanical grounding device for ground connection.It acts as replace taking
Banding pattern ground wire protects personal safety in high-tension apparatus and line maintenance by equipment ground；Artificial ground is caused, protection is met
It is required that；Earthing switch configures beside the disconnecting switch of breaker two sides, plays the role of two sides when overhaul of line breaker and is grounded.It is existing
Earthing switch usually pass through ground connection operation axis it driven to disconnect or closure, interlocking is set on the ground connection operation axis
Device, when back door, (sealing plate) is shut, earthing switch can be with separating brake, closing operation, and after grounding switch tripping, back door is interlocked not
It can open；When earthing switch close a floodgate when, back door can open and close, back door open after, earthing switch can not separating brake, guarantee inspection
Repair the safety of personnel.Existing back door interlock is complex and Adapter Property is poor, can not achieve back door and reliably interlocks, exists
Some potential safety problems.
Utility model content
For the back door interlock complexity for solving existing earthing switch in background technique, insecure problem, this reality are interlocked
A kind of earthing switch back door interlocking device is provided with novel.
The technical solution of the utility model is：A kind of earthing switch back door interlocking device, including the first support, second
Seat, transmission component and the operating shaft being connected with earthed crank arm, one end of the transmission component is connected with interlocking mechanism, another
End is set on the second support, and the interlocking mechanism includes locking part and guiding axis, and the locking part is set on guiding axis simultaneously
It is oppositely oriented axis rotation, described guiding axis one end passes through the first support and is connected with transmission component, the locking part tool
There are the second position opened after mutually interlocking the first position for avoiding back door from opening and unlock with locking member on back door convenient for back door, institute
The operating shaft stated is equipped with the limit sleeve being connected with operating shaft, and the limit sleeve has in grounding switch tripping to biography
First state and the unlock of dynamic component limit are so that transmission component is with respect to the second state that the second support slides, and locking part is in the
When two positions, the limit sleeve cooperates with transmission component rotary spacing；When limit sleeve is in first state, the interlocking
Part is limited by transmission component.
As a kind of improvement of the utility model, the transmission component is equipped with limited block, and the limited block is joining
Locking limit sleeve cooperates transmission component and limit sleeve rotary spacing when latch fitting is in the second position.
The limited block is limited set when limit sleeve is in first state as a further improvement of the utility model,
Axial limiting.
Second support is equipped with the through-hole passed through for limited block, institute as a further improvement of the utility model,
The limit sleeve stated is equipped with for the limiting section to limited block axial limiting and the notch section passed through for limited block, the limit
Position block is set in notch section when locking part is in the second position and circumferentially rotates limit to limit sleeve.
The end of the limit sleeve radially outwardly protrudes edge as a further improvement of the utility model, institute
The notch section stated is set on edge, and the edge is the limiting section.
Second support is equipped with the cavity for accommodating limited block as a further improvement of the utility model,
The fulcrum bearing for limited block bearing limit is equipped in the cavity, the cavity is externally provided with leads for transmission component sliding
To guide part, the limit sleeve be set to the second support cavity outside.
It as a further improvement of the utility model, further include bearing guide part, the bearing guide part is equipped with branch
Support foot and the guide groove passed through for transmission component.
The transmission component includes locating part and pull rod, the limit as a further improvement of the utility model,
Block is set on locating part, and the locating part is connected by pull rod with guiding axis, and the guiding axis is equipped with for locking part
Rotate the rotation slot stepped down.
The locking part is equipped with for mutually blocking with locking member on back door as a further improvement of the utility model,
Pothook and the arc groove opened convenient for back door.
The locking part is equipped with the curved portion to offset with the first support as a further improvement of the utility model,.
The utility model has the beneficial effects that being provided with interlocking mechanism, it can reliably drive locking part dynamic by guiding axis
Make, so that locking part can reliably, fast, easily be interlocked with back door realization or unlock, cooperates with the barb on back door simple
Single, Adapter Property is more preferable, while limit to earthing switch and transmission component may be implemented by the state change of limit sleeve
Limit promotes the security performance of product by two-way interlocking, and this is practical to carry out limit interlocking to interlocking mechanism
It is novel also to have many advantages, such as that structure is simple, easy for installation, interlocking is reliable, while staff accidentally grasps when being avoided that overhaul of line breaker
Make.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of the utility model embodiment.
Attached drawing 2 is the structural schematic diagram of 1 other direction of attached drawing.
Attached drawing 3 is the enlarged structure schematic diagram in attached drawing 1 at A.
Attached drawing 4 is the enlarged structure schematic diagram in attached drawing 2 at B.
Attached drawing 5 is the structural schematic diagram of the second support 2 in this attached drawing 3.
Attached drawing 6 is the structural schematic diagram of 5 other direction of attached drawing.
Attached drawing 7 is the structural schematic diagram of locking part 51 in Fig. 4.
Attached drawing 8 is the structural schematic diagram of guiding axis 52 in attached drawing 4.
Attached drawing 9 is the structural schematic diagram of limit sleeve 6 in attached drawing 3.
Attached drawing 10 is the structural schematic diagram that guide part 8 is supported in attached drawing 1.
In figure, the 1, first support；2, the second support；21, through-hole；22, cavity；23, fulcrum bearing；24, guide part；3, it is driven
Component；31, limited block；32, locating part；33, pull rod；4, operating shaft；5, interlocking mechanism；51, locking part；511, pothook；
512, arc groove；513, curved portion；52, guiding axis；521, rotation slot；6, limit sleeve；61, limiting section；62, notch section；7, after
Door；71, locking member；8, guide part is supported；81, support leg；82, guide groove.
Specific embodiment
The utility model embodiment is described further with reference to the accompanying drawing：
As shown in Fig. 1 combination Fig. 2-10, a kind of earthing switch back door interlocking device, including the first support 1, the second support 2,
Transmission component 3 and the operating shaft 4 being connected with earthed crank arm, one end of the transmission component 3 are connected with interlocking mechanism 5, separately
One end is set on the second support 2, and the interlocking mechanism 5 includes locking part 51 and guiding axis 52, and the locking part 51 is set to
On guiding axis 52 and it is oppositely oriented the rotation of axis 52, described 52 one end of guiding axis passes through the first support 1 and connects with the linkage of transmission component 3
Connect, the locking part 51 have on back door 7 71 phase of locking member interlocking avoid back door 7 open first position and unlock after just
In the second position that back door 7 is opened, the operating shaft 4 is equipped with the limit sleeve 6 being connected with operating shaft 4, the limit
Position set 6 has the first state limited in grounding switch tripping to transmission component 3 and unlock so that transmission component 3 opposite second
Support 2 slide the second state, when locking part 51 is in the second position, the limit sleeve 6 with 3 rotary spacing of transmission component
Cooperation；When limit sleeve 6 is in first state, the locking part 51 is limited by transmission component 3.The utility model is provided with interlocking
Mechanism reliably can drive locking part to act by guiding axis so that locking part can it is reliable, fast, easily with back door
Realize interlocking or unlock, simple with the barb cooperation on back door, Adapter Property is more preferable, while can by the state change of limit sleeve
To realize to the limit of earthing switch and the limit of transmission component, so that limit interlocking is carried out to interlocking mechanism, by two-way
Lock is to promote the security performance of product, and also to have that structure is simple, easy for installation, interlocking is reliable etc. excellent for the utility model
Point, while staff's maloperation when being avoided that overhaul of line breaker.When earthing switch is in separating brake, on locking part and back door
Locking member is mutually locked, and locking part is in first position, at this time the limited block on locating part be set to the second support in, and in the axial direction by
Limit sleeve limiting section limit in operating shaft, cannot axially slide, i.e., by the axial limiting to locating part, so that locking part quilt
Reliable to limit and interlock on the locking member on back door, locking member can guarantee for setting barb on cylinder convenient for interlocking at this time
It cannot be opened at grounding switch tripping state back door, staff's maloperation is avoided to cause human life's property loss.Work as operation
When axis rotation is closed a floodgate, the limit sleeve in operating shaft releases the axial limiting to limited block, and pull rod is in return unit（Return unit is bullet
Spring does not provide in figure）Under the action of pull locating part axially slide, at this time guiding axis also with pull rod axially slide（To switch
Cabinet back door direction）, the pothook of locking part is in elastic component（Elastic component is spring, is not provided in figure, and elastic component one end is fixed on
On one support, one end is fixed on locking part）Under the action of around hinged shaft rotate unlock rear door of switch cabinet, back door can open.Afterwards
After door is opened, the limited block on locating part skids off the second support at this time, and limited block is just set in the notch section of limit sleeve at this time,
Limit sleeve is limited block rotary spacing, so that operating shaft can not rotate, so that operating shaft cannot be into when back door is opened
When row sub-switching operation, i.e. combined floodgate and back door are opened, operating shaft cannot be operated, and the maloperation in maintenance is avoided to make earthing switch
Separating brake causes human life's property loss.When earthing switch closes a floodgate and when closing back door, the barb pushing tow guiding axis on back door leads to
Crossing guiding axis drives locating part and limited block sliding, limited block to be reduced in the second support, and limited block circumferentially rotates solution to limit sleeve
Lock, limit sleeve can carry out sub-switching operation, at this time since the inner wall of the curved portion of locking part and the first support offsets and is limited,
When so that guiding axis being axially moved, locking part is rotated around articulated shaft, after the pothook button of locking part is realized to the tight lock part at back door
The interlocking of door, and limit to be reduced in the second support after operating shaft separating brake and be limited set axial limiting again, so that rear gate interlock can
It leans on.
The transmission component 3 is equipped with limited block 31, and the limited block 31 is when locking part 51 is in the second position
Locking limit sleeve 6 cooperates transmission component 3 and 6 rotary spacing of limit sleeve.Can carrying out to limit sleeve for limited block is reliable
Circumferential limit, so that not can be carried out sub-switching operation when back door is opened, structure is simple, and interlocking is reliable.
The limited block 31 is limited 6 axial limitings of set when limit sleeve 6 is in first state.Such structure makes
Back door is avoided to open so that locking part and rear gate interlock are reliable by the limit to limited block in gate-dividing state.
Second support 2 is equipped with the through-hole 21 that passes through for limited block 31, the limit sleeve 6 be equipped with for pair
The limiting section 61 of 31 axial limiting of limited block and the notch section 62 passed through for limited block, the limited block 31 is in locking part 51
It is set in notch section 62 when in the second position and limit is circumferentially rotated to limit sleeve 6.Such structure makes product structure simple
Single, linkage is reliable, while can play the role of good interlocking, and security performance is high.
The end of the limit sleeve 6 radially outwardly protrudes edge, and the notch section 62 is set on edge, described
Edge be the limiting section 61.So that limit nested structure is simple, limit is reliable, saves material for the setting at edge.
Second support 2 is equipped with the cavity 22 for accommodating limited block 31, is equipped with and is used in the cavity 22
The fulcrum bearing 23 of the bearing limit of limited block 31, the cavity 22 are externally provided with the guide part 24 for 3 slide-and-guide of transmission component,
The limit sleeve 6 is set to outside the cavity 22 of the second support 2.The setting of fulcrum bearing avoids limiting so that locating part is reliably supported
Position part discontinuity influences transmission and back door opening and closing, while can play the role of limition orientation, so that locating part movement is flat
Surely.The setting of guide part is convenient for so that locating part movement is steady.
The utility model further includes bearing guide part 8, and the bearing guide part 8 is equipped with support leg 81 and for transmission group
The guide groove 82 that part 3 passes through.Specifically, bearing guide part is fixed on cabinet body, and bearing guide part can carry out water to locating part
Flat guide and limit, and play a supporting role, structure is simple.
The transmission component 3 includes locating part 32 and pull rod 33, and the limited block 31 is set on locating part 32, described
Locating part 32 be connected with guiding axis 52 by pull rod 33, the guiding axis 52 is equipped with for the rotation resigning of locking part 51
Rotation slot 521.Such structure makes product reliable transmission, is convenient for pushing tow locking part.
The locking part 51 is equipped with for beating with the pothook 511 of 71 phase card of locking member on back door 7 and convenient for back door 7
The arc groove 512 opened.Specifically, the locking part 51 is equipped with the curved portion 513 to offset with the first support 1.Pothook
Setting so that product interlocking is reliable, the setting of arc groove avoids generating interference when pothook interlocks, while but also back door
It is convenient to open.The setting of curved portion is so that locking part uniform force in rotation is steady, so that locking part and back door unlock
It is convenient and reliable.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply opposite
Importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two
More than.
Every technical staff's notice：Although the utility model is described according to above-mentioned specific embodiment, this
The invention thought of utility model is not limited to that utility model, and any repacking with inventive concept will all be included in this specially
In sharp scope of patent protection.
Claims (10)
1. a kind of earthing switch back door interlocking device, including the first support（1）, the second support（2）, transmission component（3）With with connect
The operating shaft that ground connecting lever is connected（4）, it is characterised in that:The transmission component（3）One end and interlocking mechanism（5）It is connected,
The other end is set to the second support（2）On, the interlocking mechanism（5）Including locking part（51）And guiding axis（52）, the connection
Latch fitting（51）Set on guiding axis（52）It goes up and is oppositely oriented axis（52）Rotation, the guiding axis（52）One end passes through the first support
（1）With transmission component（3）It is connected, the locking part（51）Have and back door（7）Upper locking member（71）Mutually interlocking avoids
Back door（7）It is convenient for back door behind the first position of opening and unlock（7）The second position of opening, the operating shaft（4）It is equipped with
With operating shaft（4）The limit sleeve being connected（6）, the limit sleeve（6）With in grounding switch tripping to transmission component
（3）The first state of limit and unlock are so that transmission component（3）Opposite second support（2）Second state of sliding, locking part
（51）When in the second position, the limit sleeve（6）With transmission component（3）Rotary spacing cooperation；Limit sleeve（6）In
When one state, the locking part（51）By transmission component（3）Limit.
2. earthing switch back door interlocking device according to claim 1, it is characterised in that the transmission component（3）On set
There is limited block（31）, the limited block（31）In locking part（51）Locking limit sleeve when in the second position（6）So that transmission
Component（3）With limit sleeve（6）Rotary spacing cooperation.
3. earthing switch back door interlocking device according to claim 2, it is characterised in that the limited block（31）It is limiting
Position set（6）Set is limited when in first state（6）Axial limiting.
4. earthing switch back door interlocking device according to claim 2, it is characterised in that second support（2）On set
Have for limited block（31）The through-hole passed through（21）, the limit sleeve（6）It is equipped with for limited block（31）Axial limiting
Limiting section（61）With the notch section passed through for limited block（62）, the limited block（31）In locking part（51）In second
Notch section is set to when setting（62）It is interior and to limit sleeve（6）Circumferentially rotate limit.
5. earthing switch back door interlocking device according to claim 4, it is characterised in that the limit sleeve（6）End
Radially outwardly protrude edge, the notch section（62）On edge, the edge is the limiting section
（61）.
6. earthing switch back door interlocking device according to claim 2, it is characterised in that second support（2）On set
Have for accommodating limited block（31）Cavity（22）, the cavity（22）Interior be equipped with is used for limited block（31）Support the branch of limit
Hold seat（23）, the cavity（22）It is externally provided with for transmission component（3）The guide part of slide-and-guide（24）, the limit sleeve
（6）Set on the second support（2）Cavity（22）Outside.
7. earthing switch back door interlocking device according to claim 1, it is characterised in that further include bearing guide part（8）,
The bearing guide part（8）It is equipped with support leg（81）With for transmission component（3）The guide groove passed through（82）.
8. earthing switch back door interlocking device according to claim 2, it is characterised in that the transmission component（3）Including
Locating part（32）And pull rod（33）, the limited block（31）Set on locating part（32）On, the locating part（32）Pass through drawing
Bar（33）With guiding axis（52）It is connected, the guiding axis（52）It is equipped with for locking part（51）Rotate the rotation slot stepped down
（521）.
9. earthing switch back door interlocking device according to claim 1, it is characterised in that the locking part（51）On set
It is used for and back door（7）Upper locking member（71）The mutually pothook of card（511）Be convenient for back door（7）The arc groove of opening（512）.
10. earthing switch back door interlocking device according to claim 1, it is characterised in that the locking part（51）On set
Have and the first support（1）The curved portion to offset（513）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820772313.2U CN208157315U (en) | 2018-05-23 | 2018-05-23 | Earthing switch back door interlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820772313.2U CN208157315U (en) | 2018-05-23 | 2018-05-23 | Earthing switch back door interlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208157315U true CN208157315U (en) | 2018-11-27 |
Family
ID=64388253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820772313.2U Active CN208157315U (en) | 2018-05-23 | 2018-05-23 | Earthing switch back door interlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208157315U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109300719A (en) * | 2018-11-30 | 2019-02-01 | 山东泰开真空开关有限公司 | A kind of interlocking device for grounding switch operating mechanism of switch cabinet |
-
2018
- 2018-05-23 CN CN201820772313.2U patent/CN208157315U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109300719A (en) * | 2018-11-30 | 2019-02-01 | 山东泰开真空开关有限公司 | A kind of interlocking device for grounding switch operating mechanism of switch cabinet |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 325000 No. 58, Jixian Road, Louqiao Industrial Zone, Ouhai District, Wenzhou City, Zhejiang Province Patentee after: XINGJI ELECTRIC APPLIANCE Co.,Ltd. Address before: 325000, Jixian Road, Wenzhou, Ouhai District, Zhejiang province 12 Patentee before: XINGJI ELECTRIC APPLIANCE Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 325000 58 Jixian Road, Louqiao Industrial Park, Ouhai District, Wenzhou City, Zhejiang Province Patentee after: Xingji Electric Appliance Group Co.,Ltd. Country or region after: China Address before: 325000 58 Jixian Road, Louqiao Industrial Zone, Ouhai District, Wenzhou City, Zhejiang Province Patentee before: XINGJI ELECTRIC APPLIANCE Co.,Ltd. Country or region before: China |