CN209691635U - Front lower door interlock with front lower gate interlock and backlocking - Google Patents
Front lower door interlock with front lower gate interlock and backlocking Download PDFInfo
- Publication number
- CN209691635U CN209691635U CN201920615211.4U CN201920615211U CN209691635U CN 209691635 U CN209691635 U CN 209691635U CN 201920615211 U CN201920615211 U CN 201920615211U CN 209691635 U CN209691635 U CN 209691635U
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- Prior art keywords
- interlock
- front lower
- interlocking
- earthing switch
- frame body
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- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 230000000903 blocking effect Effects 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims 2
- 230000006872 improvement Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
A kind of front lower gate interlock of band and the front lower door interlock of backlocking.It is complicated to solve existing interlock structure, acts insecure problem.It includes frame body, the first interlocking mechanism and the second interlocking mechanism, first interlocking mechanism, which has, unlocks the second position so that preceding Xiamen free switch when closing a floodgate with the first position of front lower gate interlock and earthing switch, second interlocking mechanism has the first state for avoiding earthing switch operating shaft from acting with the interlocking of earthing switch operating shaft and unlocks the second state so that the operation free to rotate of earthing switch operating shaft, and second interlocking mechanism is in when the preceding Xiamen in the second position is opened in the first interlocking mechanism in first state.The first interlocking mechanism of the utility model realizes positive interlocking, when earthing switch combined floodgate, just can realize reversed locking with the preceding Xiamen of either on or off, the second interlocking mechanism, and after current Xiamen is opened, earthing switch not can be carried out sub-switching operation, so that product safety performance height.
Description
Technical field
The utility model relates to a kind of switchgears, and in particular to a kind of front lower gate interlock of band and the front lower gate interlock of backlocking
Device.
Background technique
Switchgear (switch cabinet) is a kind of electrical equipment, and 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 to protect and mainly set
Standby low-frequency load reduction.
The main function of switchgear be generated electricity in electric system, transmitted electricity, the conversion of distribution and electric energy during, carry out
Folding, control and protection electrical equipment.Component in switchgear mainly has breaker, disconnecting switch, on-load switch, operation machine
The composition such as structure, earthing switch, mutual inductor and various protective devices.There are many classification method of switchgear, such as pacified by breaker
Dress mode 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 and opened
Close cabinet, metal closed switch cabinet and metal enclosed armoured switch cabinet;High-voltage switch gear can be divided into 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.
The existing preceding Xiamen of switchgear can usually open, and front lower door interlock usually be arranged for the sake of security, i.e.,
In grounding switch tripping, preceding Xiamen cannot be opened, and when earthing switch closes a floodgate, preceding Xiamen can be opened or closed, actual
The malfunction of earthing switch operating shaft is encountered when if current Xiamen being opened in operation maintenance, there are biggish security risks and existing
Structure is complicated for interlocking mechanism, and it is unreliable to act, and influences product Interlock Function.
Utility model content
To solve existing interlock structure complexity in background technique, insecure problem is acted, the utility model provides
A kind of front lower gate interlock of band and the front lower door interlock of backlocking.
The technical solution of the utility model is: a kind of front lower gate interlock of band and the front lower door interlock of backlocking, including
Frame body, the frame body be equipped with the first interlocking mechanism and the second interlocking mechanism, first interlocking mechanism have with it is front lower
The unlock when first position of gate interlock and earthing switch close a floodgate so that preceding Xiamen free switch the second position, described second
Latch mechanism has the first state for avoiding earthing switch operating shaft from acting with the interlocking of earthing switch operating shaft and unlock so that ground connection
The second state of operating shaft operation free to rotate is switched, second interlocking mechanism is in second in the first interlocking mechanism
It sets when preceding Xiamen is opened in first state.
As a kind of improvement of the utility model, first interlocking mechanism includes interlock plate and is used for and the front lower couplet on the door
The interlocking hook of lock, the interlock plate are connected with interlocking hook.
The interlock plate is adapted with earthing switch operating shaft as a further improvement of the utility model, described
Hook is interlocked to be driven by interlock plate around frame body rotation.
The frame body is equipped with installation pin shaft as a further improvement of the utility model, and the interlocking rhampotheca is set
In driving its opposite installation pin shaft to rotate on installation pin shaft and by interlock plate.
The frame body is equipped with guide pin as a further improvement of the utility model, and the interlock plate is equipped with
Through-hole section and the press section pressed convenient for earthing switch operating shaft, the guide pin are equipped in through-hole section, the interlock plate
Cooperate in the vertical direction toward polyslip with frame body.
Second interlocking mechanism includes blocking lever and motion bar as a further improvement of the utility model, described
Blocking lever and motion bar be connected.
The blocking lever has as a further improvement of the utility model, avoids connecing with the interlocking of earthing switch operating shaft
Ground switchs the first position of operating shaft movement and drives unlock to step down so that earthing switch operating shaft is free to rotate by motion bar
The second position of operation, the blocking lever are articulated on frame body and swing with frame body and connect.
The frame body is equipped with mounting plate as a further improvement of the utility model, and the motion bar passes through peace
Loading board simultaneously with mounting plate horizontal sliding cooperate, the motion bar be equipped with for drive motion bar horizontal sliding return unit and
Locating part for motion bar sliding and position limitation.
The blocking lever is equipped with flat interlocking portion, the frame as a further improvement of the utility model,
Body is equipped with the accommodating through-hole for accommodating flat interlocking portion, and the interlocking portion is mutually fitted with the shaft shoulder in earthing switch operating shaft
Match.
The frame body is equipped with the U for placing earthing switch operating shaft as a further improvement of the utility model,
Type groove and for export control signal auxiliary switch.
The utility model has the beneficial effects that being provided with the first interlocking mechanism and the second interlocking mechanism, enable this product
Realize front lower gate interlock and backlocking function, the first interlocking mechanism realizes positive interlocking, when earthing switch combined floodgate, can just open
Preceding Xiamen is closed, the second interlocking mechanism realizes reversed locking, and after current Xiamen is opened, earthing switch not can be carried out sub-switching operation,
So that product safety performance is high, reliable in action.The utility model also has structure simple, easy to assembly, and reliable in action uses the longevity
Order the advantages that long.
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 that the second interlocking mechanism is in first state.
Attached drawing 3 is the other direction structural schematic diagram of attached drawing 2.
Structural schematic diagram when attached drawing 4 is the utility model embodiment and the cooperation of preceding Xiamen.
In figure, 1, frame body;11, pin shaft is installed;12, guide pin;13, mounting plate;14, through-hole is accommodated;15, U-type groove;16,
Auxiliary switch;2, the first interlocking mechanism;21, interlock plate;211, through-hole section;212, press section;22, hook is interlocked;3, the second interlocking
Mechanism;31, blocking lever;311, interlocking portion;32, motion bar;33, return unit;34, locating part;4, earthing switch operating shaft;41,
The shaft shoulder;5, preceding Xiamen.
Specific embodiment
The utility model embodiment is described further with reference to the accompanying drawing:
As shown in Fig. 1 combination Fig. 2-4, the front lower door interlock of a kind of front lower gate interlock of band and backlocking, including frame body
1, the frame body 1 be equipped with the first interlocking mechanism 2 and the second interlocking mechanism 3, first interlocking mechanism 2 have with it is front lower
The unlock when first position of gate interlock and earthing switch close a floodgate so that preceding Xiamen free switch the second position, described second
Latch mechanism 3 has the first state for avoiding earthing switch operating shaft from acting with the interlocking of earthing switch operating shaft and unlock so that ground connection
The second state of operating shaft operation free to rotate is switched, second interlocking mechanism 3 is in second in the first interlocking mechanism 2
The preceding Xiamen in position is in first state when opening.The utility model has the beneficial effects that being provided with the first interlocking mechanism and second
Interlocking mechanism, so that this product is able to achieve front lower gate interlock and backlocking function, the first interlocking mechanism realizes positive interlocking, when connecing
Ground switch closes a floodgate, and just can realize reversed locking, after current Xiamen is opened, ground connection with the preceding Xiamen of either on or off, the second interlocking mechanism
Switch not can be carried out sub-switching operation, so that product safety performance is high, reliable in action.The utility model also has structure simple, dress
With convenient, the advantages that reliable in action, long service life.Specifically, when current Xiamen is closed, the operating shaft of earthing switch can be with
It is freely rotated, interlocking hook and preceding Xiamen are realized and interlocked, and when earthing switch closes a floodgate, earthing switch operating shaft press interlock plate makes
Vertical motion above and below interlock plate, so that interlocking hook is opened, preceding Xiamen can be with either on or off;More specifically, on interlock plate
Equipped with reset spring, the reset spring has makes interlocking hook and preceding Xiamen realize that the movement of interlocking becomes by interlock plate
Gesture.When earthing switch closes a floodgate and preceding Xiamen is opened, motion bar is received outside the elastic force level protrusion cabinet body of return unit, motion bar band
Dynamic interlock lever so that the interlocking portion of blocking lever is set to the indentation, there of the earthing switch operating shaft shaft shoulder, and is grounded
Operating shaft reverse interlocking is switched, earthing switch not can be carried out sub-switching operation.
First interlocking mechanism 2 includes interlock plate 21 and the interlocking hook 22 for interlocking with preceding Xiamen 5, the connection
Jam plate 21 is connected with interlocking hook 22.Specifically, the interlock plate 21 is adapted with earthing switch operating shaft 4, described
Interlocking hook 22 driven by interlock plate 21 and rotate around frame body 1.Such structure makes product stable action reliable, and structure is simple.
The frame body 1 is equipped with installation pin shaft 11, and the interlocking hook 22 is sheathed on installation pin shaft 11 and by interlocking
Plate 21 drives it to rotate relative to installation pin shaft 11.Specifically, the frame body 1 is equipped with guide pin 12, the interlock plate
21 are equipped with through-hole section 211 and the press section 212 convenient for the press of earthing switch operating shaft, and the guide pin 12 is equipped with through-hole section
In 211, the interlock plate 21 and frame body 1 cooperate toward polyslip in the vertical direction.More specifically, interlock plate is equipped with again
Position spring, the reset spring have the movement tendency for making to interlock hook and the realization interlocking of preceding Xiamen by interlock plate.In this way
Structure enable earthing switch operating shaft that interlocking hook is reliably driven to realize positive interlocking, structure is simple, and interlocking is reliable, and is convenient for
Earthing switch opens easy access operation in preceding Xiamen when closing a floodgate.
Second interlocking mechanism 3 includes blocking lever 31 and motion bar 32, and the blocking lever 31 and motion bar 32 connect
Dynamic connection.Specifically, the blocking lever 31 has avoids earthing switch operating shaft from acting with the interlocking of earthing switch operating shaft
First position and by motion bar 32 drive unlock step down so that the operation free to rotate of earthing switch operating shaft the second position,
The blocking lever 31 is articulated on frame body 1 and swings with frame body 1 and connects.The reliable movement of blocking lever is realized by motion bar,
So as to fast and reliable realization reverse interlocking, so that opening in preceding Xiamen is to avoid error operation of grounding switch.
The frame body 1 is equipped with mounting plate 13, and the motion bar 32 is across mounting plate 13 and horizontal with mounting plate 13
Sliding cooperation, the motion bar 32 are equipped with the return unit 33 for driving 32 horizontal sliding of motion bar and are used for motion bar 32
The locating part 34 of sliding and position limitation.The setting of return unit is so that blocking lever tends to the movement tendency of first position.And it is beaten in preceding Xiamen
Interlocking can be fast implemented after opening, avoids earthing switch operating shaft maloperation, and the locating part avoids motion bar from crossing movement.
The blocking lever 31 is equipped with flat interlocking portion 311, and the frame body 1, which is equipped with, accommodates flat interlocking
The accommodating through-hole 14 in portion 311, the interlocking portion 311 are adapted with the shaft shoulder 41 in earthing switch operating shaft 4.Specifically,
The frame body 1 is equipped with the U-type groove 15 for placing earthing switch operating shaft and the auxiliary switch for exporting control signal
16.The setting of accommodating through-hole limits the swing of blocking lever, so that blocking lever stable action is reliable.U-type groove is set
It sets so that earthing switch operating shaft is easy for installation.
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 describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.In addition, in the description of the present invention, unless otherwise indicated, " multiples' " contains
Justice is two or more.
Every technical staff's notice: although the utility model is described according to above-mentioned specific embodiment, this
The utility model thought of utility model is not limited to that utility model, and any repacking with the utility model thought all will
It is included in this patent scope of patent protection.
Claims (10)
1. a kind of front lower gate interlock of band and the front lower door interlock of backlocking, including frame body (1), it is characterised in that: described
Frame body (1) be equipped with the first interlocking mechanism (2) and the second interlocking mechanism (3), first interlocking mechanism (2) with it is front lower
The unlock when first position of gate interlock and earthing switch close a floodgate so that preceding Xiamen free switch the second position, described second
Latch mechanism (3) has the first state for avoiding earthing switch operating shaft from acting with the interlocking of earthing switch operating shaft and unlock so that connecing
Ground switchs the second state of operating shaft operation free to rotate, and second interlocking mechanism (3) is at the first interlocking mechanism (2)
First state is in when the preceding Xiamen in the second position is opened.
2. the front lower gate interlock of band according to claim 1 and the front lower door interlock of backlocking, it is characterised in that described
The first interlocking mechanism (2) include interlock plate (21) and for the interlocking hook (22) with front lower gate interlock, the interlock plate
(21) it is connected with interlocking hook (22).
3. the front lower gate interlock of band according to claim 2 and the front lower door interlock of backlocking, it is characterised in that described
Interlock plate (21) be adapted with earthing switch operating shaft, the interlocking hook (22) by interlock plate (21) drive around frame body (1)
Rotation.
4. the front lower gate interlock of band according to claim 3 and the front lower door interlock of backlocking, it is characterised in that described
Frame body (1) be equipped with installation pin shaft (11), the interlocking hook (22) be sheathed on installation pin shaft (11) on and by interlock plate
(21) it is driven to rotate relative to installation pin shaft (11).
5. the front lower gate interlock of band according to claim 3 and the front lower door interlock of backlocking, it is characterised in that described
Frame body (1) be equipped with guide pin (12), the interlock plate (21) be equipped with through-hole section (211) and convenient for earthing switch operate
The press section (212) of axis press, the guide pin (12) are equipped in through-hole section (211), the interlock plate (21) and frame body
(1) cooperate in the vertical direction toward polyslip.
6. the front lower gate interlock of band according to claim 1 and the front lower door interlock of backlocking, it is characterised in that described
The second interlocking mechanism (3) include blocking lever (31) and motion bar (32), the blocking lever (31) and motion bar (32) interlock
Connection.
7. the front lower gate interlock of band according to claim 6 and the front lower door interlock of backlocking, it is characterised in that described
Blocking lever (31) have with earthing switch operating shaft interlocking avoid earthing switch operating shaft act first position and by activity
Bar (32) drive unlock step down so that the operation free to rotate of earthing switch operating shaft the second position, the blocking lever (31)
It is articulated on frame body (1) and is swung with frame body (1) and connected.
8. the front lower gate interlock of band according to claim 6 and the front lower door interlock of backlocking, it is characterised in that described
Frame body (1) be equipped with mounting plate (13), the motion bar (32) passes through mounting plate (13) and horizontal sliding with mounting plate (13)
Cooperation is moved, the motion bar (32) is equipped with the return unit (33) for driving motion bar (32) horizontal sliding and is used for activity
The locating part (34) of bar (32) sliding and position limitation.
9. the front lower gate interlock of band according to claim 7 and the front lower door interlock of backlocking, it is characterised in that described
Blocking lever (31) be equipped with flat interlocking portion (311), the frame body (1), which is equipped with, accommodates flat interlocking portion
(311) accommodating through-hole (14), the interlocking portion (311) are adapted with the shaft shoulder in earthing switch operating shaft.
10. the front lower gate interlock of band according to claim 1 and the front lower door interlock of backlocking, it is characterised in that described
Frame body (1) be equipped with for place earthing switch operating shaft U-type groove (15) and for export control signal auxiliary switch
(16).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920615211.4U CN209691635U (en) | 2019-04-30 | 2019-04-30 | Front lower door interlock with front lower gate interlock and backlocking |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920615211.4U CN209691635U (en) | 2019-04-30 | 2019-04-30 | Front lower door interlock with front lower gate interlock and backlocking |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209691635U true CN209691635U (en) | 2019-11-26 |
Family
ID=68608479
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920615211.4U Expired - Fee Related CN209691635U (en) | 2019-04-30 | 2019-04-30 | Front lower door interlock with front lower gate interlock and backlocking |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209691635U (en) |
-
2019
- 2019-04-30 CN CN201920615211.4U patent/CN209691635U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
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. |
|
CP02 | Change in the address of a patent holder | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191126 |
|
CF01 | Termination of patent right due to non-payment of annual fee |