CN207021226U - A kind of mechanical locking structure of motor-operating mechanism for breaker - Google Patents
A kind of mechanical locking structure of motor-operating mechanism for breaker Download PDFInfo
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- CN207021226U CN207021226U CN201720978090.0U CN201720978090U CN207021226U CN 207021226 U CN207021226 U CN 207021226U CN 201720978090 U CN201720978090 U CN 201720978090U CN 207021226 U CN207021226 U CN 207021226U
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- drawer
- connecting rod
- hole
- breaker
- locking bar
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Abstract
The utility model is on a kind of mechanical locking structure of the motor-operating mechanism for breaker, the mechanical locking structure includes pillar, connecting rod and locking bar, the pillar is on the drawer-bottom board of pull-out type distribution switchgear cabinet, the connecting rod and the pillar be rotatablely connected and the connecting rod can relatively described pillar slide, one end of the connecting rod be rotatablely connected with locking bar and the connecting rod can relatively described locking bar slide, the rotary part of the other end and motor-operating mechanism is rotatablely connected, first through hole and the second through hole are respectively equipped with the drawer-bottom board and drawer laminate of pull-out type distribution switchgear cabinet, when breaker closing, the lower end of the locking bar is through first through hole and is plugged in the second through hole；When breaker open operation, the lower end of the locking bar is located at the top of drawer-bottom board.After said structure, its advantage is：Breaker be may insure in "on" position, circuit units will not be pushed into and cause contact or breaker to damage.
Description
Technical field
The utility model belongs to low pressure draw-out type distribution switchgear cabinet technical field, is to be used to break on one kind specifically
The mechanical locking structure of the motor-operating mechanism of road device.
Background technology
Breaker is the electric current for referring to close, carry and cut-off under normal loop condition and can closed, when defined
Interior carrying and the switching device for cut-offfing the electric current under abnormal loop condition.
At present in controller switching equipment industry, the breaker in low pressure draw-out type distribution switchgear cabinet has electronic and manual two kinds of behaviour
Make mode, wherein electric operating mode has a defect, and circuit units can be extracted out at any time under breaker closing state.Therefore it is logical
Usually through installation electrical interlocks, it is ensured that breaker is extracting immediate trip (installation microswitch) out.But when extracting inspection out, inspection
The personnel of testing sometimes forget about separating brake, and circuit units are pushed under "on" position can cause contact or breaker to damage.
Utility model content
The purpose of this utility model is to provide a kind of mechanical locking structure of the motor-operating mechanism for breaker, with solution
The problem of certainly existing breaker can be pushed into circuit units under "on" position and cause contact or breaker to damage.
To achieve the above object, the utility model uses following technical scheme：
A kind of mechanical locking structure of motor-operating mechanism for breaker, the motor-operating mechanism are arranged on open circuit
On device, the breaker is arranged on the drawer-bottom board of pull-out type distribution switchgear cabinet, the drawer-bottom board of pull-out type distribution switchgear cabinet
It can be slided with respect to drawer laminate, the mechanical locking structure includes pillar, connecting rod and locking bar, and the pillar is located at pull-out type distribution
On the drawer-bottom board of switch cubicle, the connecting rod and the pillar be rotatablely connected and the connecting rod can relatively described pillar slide, institute
State one end of connecting rod and locking bar rotation connection and the connecting rod can relatively described locking bar slide, the other end and motor-operating mechanism
Rotary part is rotatablely connected, and the drawer-bottom board of the pull-out type distribution switchgear cabinet is provided with first through hole, the pull-out type distribution
The drawer laminate of switch cubicle is provided with the second through hole, and when breaker is in "on" position, the lower end of the locking bar is described in
First through hole on drawer-bottom board is simultaneously plugged in the second through hole of the drawer laminate, when breaker is in gate-dividing state,
The lower end of the locking bar is located at the top of drawer-bottom board.
According to the utility model, the lower end of the locking bar is arranged with a guide pin bushing, play the guiding role, and is easy to described in locking bar insertion
In first through hole and the second through hole, the guide pin bushing is on the drawer-bottom board.
According to the utility model, the pillar is provided with the first circular shaft, and the connecting rod is provided with the first bar hole, and described
One circular shaft passes through the first bar hole of connecting rod, so that connecting rod is rotatablely connected with the pillar.Moreover, the first bar hole is set
Put so that the first strip-type hole of the connecting rod can slide with respect to the first circular shaft.
According to the utility model, the locking bar is provided with the second circular shaft, and the connecting rod is provided with the second bar hole, and described
Two circular shafts are through the second bar hole on connecting rod, so that connecting rod is rotatablely connected with the locking bar.Moreover, the second bar hole is set
Put so that the second strip-type hole of the connecting rod can slide with respect to the second circular shaft.
The mechanical locking structure of motor-operating mechanism of the present utility model for breaker, its advantage are：It is tied
Fruit is simple, can improve the reliability and security of the action of motor-operating mechanism.When the locking bar through drawer-bottom board the
One through hole and when being plugged in the second through hole of drawer laminate, can prevent drawer from pulling out；Or when drawer needs to be pushed into low pressure
During distribution switchgear cabinet, the locking bar passes through the first through hole of drawer-bottom board and stretches out gear in the outside of drawer laminate, prevention drawer
It is pushed into low-voltage power distribution switch cabinet.It is hereby ensured that in "on" position, breaker will not be pushed into circuit units and cause contact
Or breaker damage.
Brief description of the drawings
The structural representation of the mechanical locking structure of motor-operating mechanism when Fig. 1 is breaker open operation state.
The structural representation of the mechanical locking structure of motor-operating mechanism when Fig. 2 is breaker closing state.
Embodiment
Below in conjunction with specific accompanying drawing, to the mechanical locking structure of the motor-operating mechanism of the present utility model for breaker
It is described in further detail.
As depicted in figs. 1 and 2, it is a kind of mechanical chain knot of motor-operating mechanism for breaker of the present utility model
Structure, the motor-operating mechanism 3 are arranged on breaker 5, and the breaker 5 is arranged on the bottom of drawer of pull-out type distribution switchgear cabinet
On plate 1, the drawer-bottom board 1 of pull-out type distribution switchgear cabinet can slide with respect to drawer laminate 4, and the mechanical locking structure 2 includes branch
Post 21, connecting rod 22 and locking bar 23, the pillar 21 located at pull-out type distribution switchgear cabinet drawer-bottom board 1 on, the connecting rod 22 with
The pillar 21 be rotatablely connected and the connecting rod 22 can relatively described pillar 21 slide.Such as：The pillar 21 is provided with first
Circular shaft 211, the connecting rod 22 are provided with the first bar hole 221, and first circular shaft 211 passes through the first bar hole on connecting rod 22
221, so that connecting rod 22 is rotatablely connected with the pillar 21.Moreover, the setting of the first bar hole 221 so that the connecting rod 22
The first strip-type hole 221 can be slided with respect to the first circular shaft 211.
One end of the connecting rod 22 be rotatablely connected with locking bar 23 and the connecting rod 22 can relatively described locking bar 23 slide.Example
Such as：The locking bar 23 is provided with the second circular shaft 231, and the connecting rod 22 is provided with the second bar hole 222, second circular shaft 231
Through the second bar hole 222 on connecting rod 22, so that connecting rod 22 is rotatablely connected with the locking bar 23.Moreover, the second bar hole
222 setting so that the second strip-type hole 222 of the connecting rod 22 can slide with respect to the second circular shaft 231.
The other end of the connecting rod 22 is rotatablely connected with the rotary part 31 of motor-operating mechanism 3.Such as：Such as rotary part
31 are provided with the 3rd circular shaft 32, and the connecting rod 22 is provided with a circular hole, and the 3rd circular shaft 32 passes through the circular hole, so that institute
Connecting rod 22 is stated to be rotatablely connected with the rotary part 31.
The drawer-bottom board 1 of the pull-out type distribution switchgear cabinet is provided with first through hole 11, the pull-out type distribution switchgear cabinet
Drawer laminate 4 be provided with the second through hole 41, when breaker 5 is in "on" position, the lower end of the locking bar 23 is through described
The first through hole 11 of drawer-bottom board 1 is simultaneously plugged in the second through hole 41 of the drawer laminate 4, so as to prevent drawer from pulling out or push away
Enter low-voltage power distribution switch cabinet, when breaker 5 is in gate-dividing state, the lower end of the locking bar 23 is located at the top of drawer-bottom board 1,
The push-and-pull of drawer is not interfered with.
The lower end of the locking bar 23 is arranged with a guide pin bushing 24, play the guiding role, and is easy to locking bar 23 to insert the first through hole
11 and second in through hole 41, and the guide pin bushing 24 is on the drawer-bottom board 1.
The both ends of first circular shaft 211 are provided with the first limited block, and the external diameter of first limited block is more than the first stripe shape
The width in hole 221, to prevent connecting rod 22 from departing from pillar 21.
The both ends of second circular shaft 231 are provided with the second limited block, and the external diameter of second limited block is more than the second stripe shape
The width in hole 222, to prevent connecting rod 22 from departing from locking bar 23.
It should be understood that the pillar 21 can also include left pillar and right pillar, it is removable between the left pillar and right pillar
Unload and be connected with first circular shaft 211, the first strip-type hole 221 of the connecting rod 22 passes through first circular shaft 211, so as to institute
Pillar 21 is stated to be rotatablely connected.
Arrow on the rotary part 31 of motor-operating mechanism represents the direction of rotation of rotary part 31 during switch closing and switch opening.
When the 3rd circular shaft 32 on the rotary part 31 of motor-operating mechanism 3 is clockwise to the most bottom of rotary part 31
End, breaker 5 are in gate-dividing state, and now, one end that the connecting rod 22 is connected with rotary part 31 is located at rotary part 31
Lowermost end, the other end of connecting rod 22 rises to peak, so as to drive locking bar 23 to rise so that the lowermost end of locking bar 23 is located at
The top of drawer-bottom board 1, therefore do not interfere with the push-and-pull of drawer.
When the 3rd circular shaft 32 on the rotary part 31 of motor-operating mechanism is rotated counterclockwise to the most top of rotary part 31
End, breaker 5 are then in "on" position, and now, one end that the connecting rod 22 is connected with rotary part 31 is located at rotary part
31 top, the other end of connecting rod 22 drop to minimum point, so as to drive locking bar 23 to decline so that the lower section of locking bar 23 plugs
In the second through hole 41 or the second through hole 41 is passed, so as to prevent drawer from pulling out or be pushed into low-voltage power distribution switch cabinet, it is ensured that touch
Head or breaker will not damage because breaker is pushed into low-voltage power distribution switch cabinet under "on" position.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (4)
1. a kind of mechanical locking structure of motor-operating mechanism for breaker, the motor-operating mechanism is arranged on breaker
On, the breaker is arranged on the drawer-bottom board of pull-out type distribution switchgear cabinet, and the drawer-bottom board of pull-out type distribution switchgear cabinet can
Slided with respect to drawer laminate, it is characterised in that the mechanical locking structure includes pillar, connecting rod and locking bar, and the pillar is located at
On the drawer-bottom board of pull-out type distribution switchgear cabinet, the connecting rod is rotatablely connected with the pillar and the connecting rod can relatively described branch
Post slides, one end of the connecting rod be rotatablely connected with locking bar and the connecting rod can relatively described locking bar slide, the other end with it is electronic
The rotary part rotation connection of operating mechanism, the drawer-bottom board of the pull-out type distribution switchgear cabinet is provided with first through hole, described
The drawer laminate of pull-out type distribution switchgear cabinet is provided with the second through hole, when breaker is in "on" position, under the locking bar
Hold the first through hole through the drawer-bottom board and be plugged in the second through hole of the drawer laminate, when breaker is in separating brake
During state, the lower end of the locking bar is located at the top of drawer-bottom board.
2. mechanical locking structure as claimed in claim 1, it is characterised in that the lower end of the locking bar is arranged with a guide pin bushing, institute
Guide pin bushing is stated on the drawer-bottom board.
3. mechanical locking structure as claimed in claim 1, it is characterised in that the pillar is provided with the first circular shaft, the company
Bar is provided with the first bar hole, and first circular shaft is located on the first bar hole of the connecting rod.
4. mechanical locking structure as claimed in claim 1, it is characterised in that the locking bar is provided with the second circular shaft, the company
Bar is provided with the second bar hole, and second circular shaft is located on the second bar hole of the connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720978090.0U CN207021226U (en) | 2017-08-07 | 2017-08-07 | A kind of mechanical locking structure of motor-operating mechanism for breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720978090.0U CN207021226U (en) | 2017-08-07 | 2017-08-07 | A kind of mechanical locking structure of motor-operating mechanism for breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207021226U true CN207021226U (en) | 2018-02-16 |
Family
ID=61478434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720978090.0U Active CN207021226U (en) | 2017-08-07 | 2017-08-07 | A kind of mechanical locking structure of motor-operating mechanism for breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207021226U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110176734A (en) * | 2019-07-01 | 2019-08-27 | 浙江临高电气实业有限公司 | Drawer switch operating mechanism and drawer-type switch cabinet |
| CN110492373A (en) * | 2019-09-27 | 2019-11-22 | 广东北江开关厂有限公司 | It is a kind of with it is electronic and manual operation divide-shut brake drawer |
-
2017
- 2017-08-07 CN CN201720978090.0U patent/CN207021226U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110176734A (en) * | 2019-07-01 | 2019-08-27 | 浙江临高电气实业有限公司 | Drawer switch operating mechanism and drawer-type switch cabinet |
| CN110492373A (en) * | 2019-09-27 | 2019-11-22 | 广东北江开关厂有限公司 | It is a kind of with it is electronic and manual operation divide-shut brake drawer |
| CN110492373B (en) * | 2019-09-27 | 2024-01-26 | 清远市新能电力工程有限公司 | Opening and closing drawer with electric and manual operation |
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