CN211670145U

CN211670145U - Interlocking device for switch cabinet door

Info

Publication number: CN211670145U
Application number: CN202020035753.7U
Authority: CN
Inventors: 罗三平; 杜汪洋; 王莉芳
Original assignee: Wuhan Heli Electric Appliance Co ltd
Current assignee: Wuhan Heli Electric Appliance Co ltd
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-10-13
Anticipated expiration: 2030-01-08

Abstract

The utility model discloses a switchgear door interlocking device, which comprises a switchgear body and a door stop, wherein a semicircular operating shaft is connected on the switchgear body, a first rotating shaft is arranged on the switchgear body, a baffle is welded on the first rotating shaft, a connecting rod is movably connected on the baffle, the other end of the connecting rod is movably connected with a rotating plate, a second rotating shaft is connected on the switchgear body, the lower end of the rotating plate is movably connected with an interlocking plate, the lower end of the interlocking plate is movably connected with a push plate, and a reset spring is movably connected on the baffle, the utility model relates to a switchgear door interlocking device, when a grounding switch is switched off, a switchgear door must be in a locking state to prevent mistakenly entering a live interval, when the grounding switch is switched on, the switchgear door can be opened, thereby being convenient to overhaul and maintain cable chamber elements and achieving the purpose of installation and operation, when the cabinet door is opened, the grounding switch is required to be in a locking state, and the cabinet door is simple in structure, convenient to install and low in manufacturing cost.

Description

Interlocking device for switch cabinet door

Technical Field

The utility model relates to a supply distribution equipment technical field, specifically be a cubical switchboard door interlocking device.

Background

At present, switch cabinets all require the requirement of 'five prevention' of mistakenly entering an electrified interval. The cabinet door of cubical switchboard passes through earthing switch operating device interlock and realizes the interlocking, when earthing switch separating brake, the cabinet door must be in the lock state, in order to prevent the mistake and go into electrified interval, when earthing switch combined floodgate, the cabinet door can be opened, thereby can conveniently overhaul and maintain the cable chamber component, reach installation operation's purpose, when the cabinet door is opened, earthing switch must be in the lock state, in order to prevent earthing switch separating brake, circuit breaker combined floodgate power transmission, make the cable chamber compartment electrified, crisis personnel's safety, the earthing switch interlock structure of the cubical switchboard of traditional technique is comparatively complicated, not only can increase the cost of manufacture, and inconvenient maintenance, suitability and practicality receive the restriction.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem provided above and providing a cubical switchboard door interlocking device.

In order to achieve the above object, the utility model provides a following technical scheme: the automatic door locking mechanism comprises a switching mechanism body and a door stop, wherein a mechanism semicircular operating shaft is connected to the switching mechanism body, a first rotating shaft is arranged on the switching mechanism body, a baffle is welded on the first rotating shaft, a connecting rod is movably connected to the baffle, a rotating plate is movably connected to the other end of the connecting rod, a second rotating shaft is connected to the switching mechanism body, an interlocking plate is movably connected to the lower end of the rotating plate, a push plate is movably connected to the lower end of the interlocking plate, and a reset spring is movably connected to the baffle.

Preferably, the switch mechanism body is provided with two bearing bases, one of the bearing bases is connected with the first rotating shaft, the other bearing base is connected with the second rotating shaft, and the bearing bases play roles in fixing the first rotating shaft and the second rotating shaft.

Preferably, an operation hole is fixedly formed in the mechanism semicircular operation shaft, the mechanism semicircular operation shaft is a grounding operation shaft of the switch mechanism, and the mechanism semicircular operation shaft rotates 90 degrees to realize switching-on and switching-off of the grounding switch.

Preferably, a square groove is fixedly arranged on the interlocking plate, a slotted hole is formed in the interlocking plate, a clamping groove corresponding to the square groove is formed in the push plate, the square groove of the interlocking plate is lower than the clamping groove of the push plate, the push plate is in a free state, and therefore the door can be opened.

Preferably, one end of the return spring is fixed on the baffle, and the other end of the return spring is fixed on the switch mechanism body to play a role in resetting the baffle.

Preferably, the rotating plate is connected with the second rotating shaft in a welding mode to achieve a connecting effect, and the rotating plate can rotate under the effect of the second rotating shaft.

Preferably, a sliding groove is fixedly arranged on the door stop, the interlocking plate is in sliding connection with the door stop, and the interlocking plate can move up and down in the sliding groove on the door stop.

Preferably, the push plate is fixedly arranged on the cabinet door, and the push plate is matched with the slotted hole of the interlocking plate 8 and can push the interlocking plate to move upwards.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a cubical switchboard door interlocking device, when earthing switch separating brake, the cabinet door must be in the locking state, in order to prevent the mistake and go into electrified interval, when earthing switch combined floodgate, the cabinet door can be opened, thereby can conveniently overhaul and maintain the cable chamber component, reach the purpose of installation operation, when the cabinet door is opened, earthing switch must be in the locking state, in order to prevent earthing switch separating brake, the circuit breaker combined floodgate power transmission, make the cable chamber compartment electrified, crisis personnel's safety, a structure is simple, the installation is convenient, and low manufacturing cost.

Drawings

Fig. 1 is the structure schematic diagram of the interlocking device of the switch cabinet door of the utility model.

Fig. 2 is the utility model discloses cubical switchboard door interlocking device's work position schematic diagram.

In the figure: 1-a switching mechanism body, 2-a mechanism semicircular operating shaft, 3-a baffle, 4-a rotating shaft I, 5-a connecting rod, 6-a rotating plate, 7-a rotating shaft II, 8-an interlocking plate, 9-a push plate, 10-a door stop and 11-a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: including switch mechanism body 1 and door shelves 10, its characterized in that: the switch mechanism comprises a switch mechanism body 1, a mechanism semicircular operating shaft 2, a first rotating shaft 4, a baffle 3 welded on the first rotating shaft 4, a connecting rod 5 movably connected on the baffle 3, a rotating plate 6 movably connected at the other end of the connecting rod 5, a second rotating shaft 7 connected on the switch mechanism body 1, an interlocking plate 8 movably connected at the lower end of the rotating plate 6, a push plate 9 movably connected at the lower end of the interlocking plate 8, a return spring 11 movably connected on the baffle 3, two bearing bases arranged on the switch mechanism body 1, the first rotating shaft 4 connected on one bearing base, the second rotating shaft 7 connected on the other bearing base, the bearing bases serving to fix the first rotating shaft and the second rotating shaft, an operating hole fixedly arranged on the mechanism semicircular operating shaft 2, and the mechanism semicircular operating shaft 2 serving as a grounding operating shaft of the switch mechanism, the mechanism semicircular operating shaft rotates 90 degrees to realize the opening and closing of the grounding switch, a square groove is fixedly arranged on the interlocking plate 8, a slotted hole is arranged on the interlocking plate 8, a clamping groove corresponding to the square groove is arranged on the push plate 9, the square groove of the interlocking plate 8 is lower than the clamping groove of the push plate 9, so that the push plate 9 is in a free state, the door can be opened, one end of a return spring 11 is fixed on the baffle 3, the other end of the return spring 11 is fixed on the switching mechanism body 1 to play a role in resetting the baffle, the rotating plate 6 is connected with the rotating shaft II 7 through welding to play a connecting role, the rotating plate can rotate under the action of the rotating shaft II, a sliding groove is fixedly arranged on the door stop 10, the interlocking plate 8 is in sliding connection with the door stop 10, the interlocking plate can move up and down in the sliding groove on the door stop, and the push plate 9, the push plate 9 is matched with the slotted hole of the interlocking plate 8 and can push the interlocking plate 8 to move upwards.

The utility model discloses a theory of operation does: the switch cabinet grounding switch realizes the opening and closing of the grounding switch by rotating the mechanism semicircular operating shaft 2 by 90 degrees, when the grounding switch is closed and the cabinet door is opened, the structure stops the operating hole of the mechanism semicircular operating shaft 2 through the baffle plate 3, so that the opening operation of the grounding switch can not be carried out; after the door of the switch cabinet is closed, the structure pushes the interlocking plate 8 to move upwards through the push plate 9 fixed on the door of the cabinet, the baffle plate 3 is driven to rotate through the rotating plate 6 and the connecting rod 5, the baffle plate 3 is moved away to expose an operating hole of the semicircular operating shaft 2 of the mechanism, the semicircular operating shaft 2 of the mechanism can rotate to carry out switching-off operation on a grounding knife, after the grounding knife is switched off, the baffle plate 3 is blocked through the semicircular operating shaft 2 of the mechanism, so that the baffle plate 3 cannot reset, meanwhile, the interlocking plate 8 cannot move downwards, and the push plate 9 is clamped through the square groove of the interlocking plate 8, so that the door of; after the grounding knife is switched on, the baffle plate 3 is reset through the reset spring 11, the operation hole of the semicircular operation shaft 2 of the mechanism is blocked, the interlocking plate 8 is driven to move downwards through the connecting rod 5 and the rotating plate 6, the square groove of the interlocking plate 8 is lower than the clamping groove of the push plate 9, the push plate 9 is enabled to be in a free state, and therefore the door can be opened.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a cubical switchboard door interlocking device, includes on-off mechanism body (1) and door shelves (10), its characterized in that: be connected with mechanism semicircle operating axis (2) on the on-off mechanism body (1), be provided with pivot (4) on the on-off mechanism body (1), the welding has baffle (3) on pivot (4), swing joint has connecting rod (5) on baffle (3), connecting rod (5) other end swing joint has rotor plate (6), be connected with pivot two (7) on the on-off mechanism body (1), rotor plate (6) lower extreme swing joint has interlocking plate (8), interlocking plate (8) lower extreme swing joint has push pedal (9), swing joint has reset spring (11) on baffle (3).

2. The interlocking device for the switch cabinet door according to claim 1, wherein: the switching mechanism is characterized in that two bearing bases are arranged on the switching mechanism body (1), one bearing base is connected with a first rotating shaft (4), and the other bearing base is connected with a second rotating shaft (7).

3. The interlocking device for the switch cabinet door according to claim 1, wherein: an operation hole is fixedly formed in the mechanism semicircular operation shaft (2), and the mechanism semicircular operation shaft (2) is a grounding operation shaft of the switch mechanism.

4. The interlocking device for the switch cabinet door according to claim 1, wherein: the interlocking plate (8) is fixedly provided with a square groove, the interlocking plate (8) is provided with a slotted hole, and the push plate (9) is provided with a clamping groove corresponding to the square groove.

5. The interlocking device for the switch cabinet door according to claim 1, wherein: one end of the return spring (11) is fixed on the baffle (3), and the other end of the return spring (11) is fixed on the switch mechanism body (1).

6. The interlocking device for the switch cabinet door according to claim 1, wherein: the rotating plate (6) is connected with the second rotating shaft (7) through welding.

7. The interlocking device for the switch cabinet door according to claim 1, wherein: the door stop (10) is fixedly provided with a sliding groove, and the interlocking plate (8) is in sliding connection with the door stop (10).

8. The switch cabinet door interlocking device according to claim 1 or 4, wherein: the push plate (9) is fixedly arranged on the cabinet door, and the push plate (9) is matched with a slotted hole of the interlocking plate (8).