CN210443486U - Cabinet door linkage device with grounding switch keeping closing state - Google Patents
Cabinet door linkage device with grounding switch keeping closing state Download PDFInfo
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- CN210443486U CN210443486U CN201921541604.1U CN201921541604U CN210443486U CN 210443486 U CN210443486 U CN 210443486U CN 201921541604 U CN201921541604 U CN 201921541604U CN 210443486 U CN210443486 U CN 210443486U
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- cabinet door
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Abstract
The utility model relates to a high-voltage electrical cabinet field specifically indicates a cabinet door aggregate unit that earthing switch keeps combined floodgate state. The switch cabinet door comprises a main shaft, a gear, a rack, a connecting plate, sliding chutes, a first connecting rod, a second connecting rod and a limiting shaft, wherein the main shaft is coaxially fixed with an operating shaft of a grounding switch, the operating shaft rotates corresponding to the switching of the opening position and the closing position of the grounding switch, the gear is fixed on the main shaft, the connecting plate is embedded between the two sliding chutes fixed in the switch cabinet and moves relative to the sliding chutes, the rack is fixed on the connecting plate and is connected below the gear in a meshing manner, two ends of the first connecting rod are respectively pivoted with the connecting plate and the second connecting rod, and the other end of the second connecting rod, relative to the first connecting rod, is pivoted on a cabinet door; the grounding switch is characterized in that a limiting hole perpendicular to the axis of the limiting shaft is formed in the tail end of the main shaft, the limiting shaft is fixed to the other end, opposite to the first connecting rod, of the connecting plate, and the limiting hole corresponds to the limiting shaft in the same axis when the grounding switch is in a switch-on state.
Description
Technical Field
The utility model relates to a high-voltage electrical cabinet field specifically indicates a cabinet door aggregate unit that earthing switch keeps combined floodgate state.
Background
An earthing switch (earthing switch) is a mechanical earthing device used for ensuring personal safety during maintenance and earthing for a circuit earthing part. The portable grounding wire is used for replacing a portable grounding wire, and grounding equipment when high-voltage equipment and lines are overhauled, so that personal safety is protected; the artificial grounding is caused, and the protection requirement is met. Most of the existing grounding switch structures simply utilize an operation shaft to drive a moving contact and a fixed contact to be matched, and the purpose of switching on and off the grounding switch is achieved.
In the existing complete equipment, after a cabinet door of the grounding switch is opened in a closing state, the grounding switch can still be opened, and at the moment, if a worker forgets to close the door, the worker can still enter the cabinet after the breaker is electrified, so that the worker can touch a live component to cause a safety accident and bring casualties.
Disclosure of Invention
The utility model provides a earthing switch keeps cabinet door aggregate unit of combined floodgate state to overcome among the prior art earthing switch cabinet door when combined floodgate state and open the back, earthing switch still can the problem of separating brake.
The utility model adopts the following technical scheme: the utility model provides a cabinet door aggregate unit that earthing switch kept combined floodgate state which characterized in that: the switch cabinet door comprises a main shaft, a gear, a rack, a connecting plate, sliding chutes, a first connecting rod, a second connecting rod and a limiting shaft, wherein the main shaft is coaxially fixed with an operating shaft of a grounding switch, the operating shaft rotates corresponding to the switching of the opening position and the closing position of the grounding switch, the gear is fixed on the main shaft, the connecting plate is embedded between the two sliding chutes fixed in the switch cabinet and moves relative to the sliding chutes, the rack is fixed on the connecting plate and is connected below the gear in a meshing manner, two ends of the first connecting rod are respectively pivoted with the connecting plate and the second connecting rod, and the other end of the second connecting rod, relative to the first connecting rod, is pivoted on a cabinet door; when the rack moves towards the opposite direction of the cabinet door to drive the gear to rotate, the gear drives the main shaft to rotate until the grounding switch is in a switching-on state; the grounding switch is characterized in that a limiting hole perpendicular to the axis of the limiting shaft is formed in the tail end of the main shaft, the limiting shaft is fixed to the other end, opposite to the first connecting rod, of the connecting plate, and the limiting hole corresponds to the limiting shaft in the same axis when the grounding switch is in a switch-on state.
As a further improvement, a bearing seat is fixed in the cabinet body, and the other end of the main shaft, which is opposite to the connecting plate, is fixed on the bearing seat.
As a further improvement, the second connecting rod is an arc-shaped rod body.
From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages: when the cabinet door is opened, the cabinet door can drive the connecting plate to move outwards, so that the rack drives the gear meshed with the rack to rotate, and the moving contact is driven by the main shaft and the operating shaft to rotate towards the direction of the static contact, thereby realizing the closing action. Earthing switch automatic switch-on when the cabinet door is opened promptly can prevent to forget when the staff from overhauing and close the earthing switch, the effectual safety of having guaranteed the staff. And after the gear drives the moving contact to close the switch, the cabinet door is continuously opened outwards to drive the rack to move outwards, and the connecting shaft at the other end of the rack drives the limiting shaft to move to the limiting hole penetrating the main shaft, so that the main shaft can be limited to rotate, the grounding switch is always in a switch-on state and cannot be switched off, the grounding switch is prevented from being influenced by uncertain external force to cause switch-off, and the phenomenon that the grounding switch is suddenly electrified in the maintenance process of a worker to cause electric shock danger can be avoided.
Drawings
Fig. 1 is a schematic perspective view of the present invention installed in a switch cabinet.
Fig. 2 is a schematic top view of the switch cabinet of the present invention.
Fig. 3 is a schematic side view of the present invention.
Fig. 4 is a schematic structural diagram of the grounding switch.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 4, the grounding switch includes a base 35, an operating shaft 31, three sets of contact assemblies, three high-voltage insulators 34 and two springs 37. The base 35 is horizontally fixed inside the high-voltage switch cabinet 4, the three high-voltage insulators 34 are sequentially fixed on the base 35, the three groups of contact assemblies and the three high-voltage insulators 34 are in one-to-one correspondence, each group of contact assemblies comprises a moving contact 33 and a fixed contact 32, the fixed contacts 32 of the three groups of contact assemblies are sequentially and linearly arranged and fixed at the upper end parts of the high-voltage insulators 34, and the moving contacts 33 are matched with the corresponding fixed contacts 32 to achieve switching-on and switching-off. The fixing rods 36 respectively penetrate through the movable contacts 33 of the three groups of contact assemblies. Two ends of the operating shaft 31 are respectively rotatably penetrated on the base 35, and the movable contact 33 is fixedly arranged on the operating shaft 31. Two springs 37 are respectively arranged on two sides of the base, the upper ends of the springs 37 are propped against the movable contacts 33, and the lower ends of the springs 37 are propped against the base 35.
Referring to fig. 1 to 3, a cabinet door linkage device with a grounding switch maintaining a closing state includes a main shaft 17, a gear 16, a rack 15, a connecting plate 13, a chute 14, a first connecting rod 11, a second connecting rod 12, and a limiting shaft 19. The main shaft 17 is coaxially fixed with an operating shaft 31 of the grounding switch 3, and can be connected through a coupler, a bearing seat 18 is fixed in the switch cabinet 4, the other end of the main shaft 17, opposite to the operating shaft 31, is fixed on the bearing seat 18, the bearing seat 18 can reduce the rotating friction force of the main shaft 17, and meanwhile, the effect of supporting the main shaft 17 can be achieved. The gear 16 is fixed on the main shaft 17, and the connecting plate 13 is embedded between two sliding grooves 34 fixed in the bottom of the switch cabinet 4 and moves back and forth relative to the sliding grooves 34. The rack 15 is fixed on the connecting plate 13 and is engaged and connected below the gear 16. The two ends of the first connecting rod 11 are respectively pivoted with the connecting plate 13 and the second connecting rod 12, the other end of the second connecting rod 12, which is opposite to the first connecting rod 11, is pivoted on the cabinet door 41, and the pivoting is a hinge connecting structure in the prior art. When the rack 15 moves towards the cabinet door 41 to drive the gear 16 to rotate, the gear 16 drives the main shaft 17 to rotate until the grounding switch 3 is in a closing state, and when the rack 15 moves towards the opposite direction of the cabinet door 41 to drive the gear 16 to rotate, the gear 16 drives the main shaft 17 to rotate until the grounding switch 3 is in an opening state.
When the cabinet door 41 is opened, the first connecting rod 11 and the second connecting rod 12 are pulled to move outwards, and simultaneously the connecting plate 13 is driven to move outwards along the chute 14, so that the rack 15 drives the gear 16 engaged with the rack to rotate, and the movable contact 33 is driven to rotate towards the direction of the fixed contact 32 through the main shaft 17 and the operating shaft 31, so that the closing action is realized; when the cabinet door 41 is closed, the first link 12 and the second link 11 are driven to move inward, and at the same time, the connecting plate 13 is driven to move inward along the sliding chute 14, so that the rack 15 drives the gear 16 engaged therewith to rotate, and the movable contact 33 is driven by the main shaft 17 and the operating shaft 31 to rotate in the opposite direction to the fixed contact 32, thereby realizing the opening operation.
With reference to fig. 1 to 3, a limiting hole 171 perpendicular to the axis of the limiting shaft 19 is disposed at the end of the main shaft 17, the limiting shaft 19 is fixed at the other end of the connecting plate 13 opposite to the first connecting rod 11, and when the ground switch 3 is in a closed state, the limiting hole 171 corresponds to the limiting shaft 19 coaxially. That is, when the cabinet door 41 is opened to drive the rack 15 to move outward, so that the gear 16 rotates and drives the moving contact 33 of the grounding switch to be in a closing state, the limiting hole 171 is in a state parallel to the bottom of the cabinet body 4 of the switch cabinet, if the cabinet door 41 continues to rotate outward, the rack 15 is driven to move outward to be separated from the gear 16, the connecting shaft 18 at the other end of the rack 15 drives the limiting shaft to move to the limiting hole 171 penetrating the main shaft 17, so that the rotation of the main shaft 17 can be limited, the grounding switch 3 is always in the closing state, the grounding switch 3 is prevented from being influenced by uncertain external force to cause opening, sudden power supply in the maintenance process of a worker can be avoided, and electric shock danger can be caused.
The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.
Claims (3)
1. The utility model provides a cabinet door aggregate unit that earthing switch kept combined floodgate state which characterized in that: the switch cabinet door comprises a main shaft, a gear, a rack, a connecting plate, sliding chutes, a first connecting rod, a second connecting rod and a limiting shaft, wherein the main shaft is coaxially fixed with an operating shaft of a grounding switch, the operating shaft rotates corresponding to the switching of the opening position and the closing position of the grounding switch, the gear is fixed on the main shaft, the connecting plate is embedded between the two sliding chutes fixed in the switch cabinet and moves relative to the sliding chutes, the rack is fixed on the connecting plate and is connected below the gear in a meshing manner, two ends of the first connecting rod are respectively pivoted with the connecting plate and the second connecting rod, and the other end of the second connecting rod, relative to the first connecting rod, is pivoted on a cabinet door; when the rack moves towards the opposite direction of the cabinet door to drive the gear to rotate, the gear drives the main shaft to rotate until the grounding switch is in a switching-on state; the grounding switch is characterized in that a limiting hole perpendicular to the axis of the limiting shaft is formed in the tail end of the main shaft, the limiting shaft is fixed to the other end, opposite to the first connecting rod, of the connecting plate, and the limiting hole corresponds to the limiting shaft in the same axis when the grounding switch is in a switch-on state.
2. The cabinet door linkage device with the grounding switch kept in a closing state according to claim 1, characterized in that: a bearing seat is fixed in the cabinet body, and the other end of the main shaft, which is opposite to the connecting plate, is fixed on the bearing seat.
3. The cabinet door linkage device with the grounding switch kept in a closing state according to claim 1, characterized in that: the second connecting rod is an arc-shaped rod body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921541604.1U CN210443486U (en) | 2019-09-17 | 2019-09-17 | Cabinet door linkage device with grounding switch keeping closing state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921541604.1U CN210443486U (en) | 2019-09-17 | 2019-09-17 | Cabinet door linkage device with grounding switch keeping closing state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210443486U true CN210443486U (en) | 2020-05-01 |
Family
ID=70410784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921541604.1U Active CN210443486U (en) | 2019-09-17 | 2019-09-17 | Cabinet door linkage device with grounding switch keeping closing state |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210443486U (en) |
-
2019
- 2019-09-17 CN CN201921541604.1U patent/CN210443486U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200521 Address after: 300000 room 106, block a, No. 6 Jianshe Road, Balitai Industrial Park, Jinnan District, Tianjin Patentee after: Tianjin Kude Electric Equipment Co., Ltd Address before: No. 237, haicuo Road, Dongmei community, Donghai street, Fengze District, Quanzhou City, Fujian Province Patentee before: Quanzhou Fengze kuaicheng Trading Co., Ltd |
|
| TR01 | Transfer of patent right |