CN212303471U

CN212303471U - Locking device for line protection switch

Info

Publication number: CN212303471U
Application number: CN202021422918.2U
Authority: CN
Inventors: 邓维爱; 彭文斌
Original assignee: Guangdong Bangsheng Beidou Technology Service Co Ltd
Current assignee: Guangdong Bangsheng Beidou Technology Service Co Ltd
Priority date: 2020-07-18
Filing date: 2020-07-18
Publication date: 2021-01-05
Anticipated expiration: 2030-07-18

Abstract

The utility model discloses a locking device for circuit protection switch, including circuit protection switch and locking device, circuit protection switch's surface mounting has locking device, when the circuit goes wrong and need carry out the outage and overhaul, can stimulate operating handle downwards, make the circuit be in behind the outage state, transversely stimulate the arm-tie, the arm-tie drives the slide and removes, thereby the slide removes and makes red striking warning mark expose, and the inner chamber in flexible groove is advanced to the arc head card, and other personnel can be reminded to the warning mark, the circuit is in outage maintenance state, thereby effectual protection circuit and personnel's safety, and warning mark's front scribbles phosphor powder, when light is in the dim state, phosphor powder also can give out light and remind other personnel, thereby play the warning effect.

Description

Locking device for line protection switch

Technical Field

The utility model relates to a locking device technical field specifically is a locking device for circuit protection switch.

Background

The power system of forest fire prevention is linked together by generator, distribution device, electric wire netting and various consumer, because the power system of forest fire prevention is comparatively complicated, involve a plurality of regions of a plurality of systems, usually all there is the associated interface between a system and a plurality of systems, at forest fire prevention's in-process, when getting into the experimental stage of mooring, can meet various trouble problems in debugging process to each system often, when carrying out inspection maintenance to trouble problem, in order to guarantee system's equipment and personal safety, just need to ensure electrical equipment and control box outage.

However, when the existing electric line is overhauled, the switch of the line protector is powered off according to the requirements of regulations and procedures, the operating handle is sealed by the adhesive tape, and the warning board which is forbidden to be switched on is hung.

The problems described above are addressed. To this end, a latching device for a line protection switch is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a locking device for circuit protection switch, when the circuit goes wrong and need carry out the outage and overhaul, can stimulate operating handle downwards, make the circuit be in behind the outage state, horizontal pulling arm-tie, the arm-tie drives the slide and removes, thereby the slide removes and makes red striking warning mark expose, and the inner chamber in flexible groove is advanced to the circular arc head card, and other personnel can be reminded to the warning mark, the circuit is in outage maintenance state, thereby effectual protection circuit and personnel's safety, and warning mark's front scribbles phosphor powder, when light is in dim state, phosphor powder also can give out light to remind other personnel, thereby play the warning effect, thereby the problem in the above-mentioned background art has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: a locking device for a line protection switch comprises the line protection switch and the locking device, wherein the locking device is installed on the outer surface of the line protection switch, the line protection switch comprises a main body, a first panel, a switch groove and an operating handle, the first panel is installed on the front surface of the main body, the switch groove is formed in the front surface of the first panel, the operating handle is installed in an inner cavity of the switch groove, and the upper end and the lower end of the first panel are connected with the locking device;

the locking device comprises a second panel, a connecting frame, a bolt, a sliding groove, a sliding plate and a linkage plate, the connecting frame is installed at four corners of the back face of the second panel, the bolt is connected to the upper end and the lower end of the connecting frame in a threaded mode, a rectangular groove is formed in the lower end and the upper end of the connecting frame, the sliding groove is formed in the front face of the second panel, the sliding plate is installed in the inner cavity of the sliding groove in a sliding mode, and the linkage plate is installed on one side of the front face.

Preferably, the spout includes magnet and flexible groove, and magnet is installed to the one end lateral wall of spout, and flexible groove has been seted up to the other end side of spout.

Preferably, the slide includes warning mark, phosphor powder, spliced pole, arc head and arm-tie, and warning mark is installed in the front of slide, and warning mark's front scribbles phosphor powder, and the one end side-mounting of slide has a pair of spliced pole, and the side-mounting of spliced pole has the arc head, and the arm-tie is installed to the positive one end of slide.

Preferably, the arc head is a half semicircle.

Preferably, the linkage plate comprises a check ring, a telescopic column, a spring and a lock catch, the telescopic column is installed on the back face of the check ring, the spring is sleeved on the outer surface of the telescopic column, the lock catch is installed at the other end of the telescopic column, and one end of the lock catch is an oblique plane.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a locking device for circuit protection switch, when the circuit goes wrong and need carry out the outage and overhaul, can stimulate operating handle downwards, make the circuit be in behind the outage state, horizontal pulling arm-tie, the arm-tie drives the slide and removes, thereby the slide removes and makes red striking warning mark expose, and the inner chamber in flexible groove is advanced to the circular arc head card, and other personnel can be reminded to the warning mark, the circuit is in outage maintenance state, thereby effectual protection circuit and personnel's safety, and warning mark's front scribbles phosphor powder, when light is in dim state, phosphor powder also can give out light and remind other personnel, thereby play the warning effect.

2. The utility model provides a locking device for circuit protection switch, when the slide needs to slide closed, only need stimulate the slide, make the circular arc head stretch into flexible groove, one end because of the circular arc head is circular-arcly, the one end of hasp is the scarf, the circular arc head touches behind the hasp, make the hasp return and contract, after the hasp crosses half circular arc head, the hasp kick-backs under the elasticity potential energy of spring, make the hasp card in the side of circular arc head, thereby make the slide locked fixed by the fastening, when the slide need slide and open, only need stimulate the retaining ring, the hasp can break away from the circular arc head, thereby the convenience is locked the slide.

3. The utility model provides a locking device for circuit protection switch overhauls when the circuit and accomplishes the back, and the slide back of opening and shutting, the arm-tie is then adsorbed by magnet, effectually prevents that the slide from rocking at will, causes people's wrong judgement.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural diagram of the line protection switch of the present invention;

fig. 3 is a schematic structural view of the locking device of the present invention in a closed state;

fig. 4 is a schematic view of the top view of the locking device of the present invention;

fig. 5 is a schematic diagram of the connection structure of the line protection switch module of the present invention.

In the figure: 1. a line protection switch; 11. a main body; 12. a first panel; 13. a switch slot; 14. an operating handle; 2. a locking device; 21. a second panel; 22. a connecting frame; 23. a bolt; 24. a chute; 241. a magnet; 242. a telescopic groove; 25. a slide plate; 251. a warning sign; 252. fluorescent powder; 253. connecting columns; 254. an arc head; 255. pulling a plate; 26. a linkage plate; 261. a retainer ring; 262. a telescopic column; 263. a spring; 264. and (5) locking.

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, a locking device for a line protection switch includes a line protection switch 1 and a locking device 2, the locking device 2 is installed on the outer surface of the line protection switch 1, the line protection switch 1 includes a main body 11, a first panel 12, a switch slot 13 and an operating handle 14, the first panel 12 is installed on the front surface of the main body 11, the switch slot 13 is installed on the front surface of the first panel 12, the operating handle 14 is installed in the inner cavity of the switch slot 13, and the upper end and the lower end of the first panel 12 are connected with the locking device 2.

Referring to fig. 3-5, a locking device for a line protection switch, where the locking device 2 includes a second panel 21, a connecting frame 22, a bolt 23, and a sliding slot 24, the sliding slot 24 includes a magnet 241 and a telescopic slot 242, the side wall of one end of the sliding slot 24 is installed with the magnet 241, the side surface of the other end of the sliding slot 24 is installed with the telescopic slot 242, after line maintenance is completed, a sliding plate 25 is opened and closed, a pulling plate 255 is attracted by the magnet 241 to effectively prevent the sliding plate 25 from shaking randomly to cause erroneous judgment, the sliding plate 25 includes a warning mark 251, fluorescent powder 252, a connecting post 253, and an arc head 254, the arc head 254 is a half of a semicircle, which can facilitate locking and retraction of the locking device 264, the pulling plate 255, the front surface of the sliding plate 25 is installed with the warning mark 251, the front surface of the warning mark 251 is coated with the fluorescent powder 252, the side surface of one end of the sliding plate 25 is installed with a, the pull plate 255 is installed at one end of the front surface of the sliding plate 25, when a circuit has a problem and needs to be subjected to power-off maintenance, the operating handle 14 can be pulled downwards, after the circuit is in a power-off state, the pull plate 255 is pulled transversely, the sliding plate 255 drives the sliding plate 25 to move, the sliding plate 25 moves, so that a red striking warning mark 251 is exposed, the arc-shaped head 254 is clamped into the inner cavity of the telescopic groove 242, the warning mark 251 can remind other people, the circuit is in the power-off maintenance state, so that the safety of the circuit and the people is effectively protected, the front surface of the warning mark 251 is coated with the fluorescent powder 252, when light is in a dim state, the fluorescent powder 252 can emit light to remind other people, so that a warning effect is achieved, the linkage plate 26 comprises a check ring 261, a telescopic column 262, a spring 263 and a lock 264, the back surface of the check ring is provided with the telescopic column 262, the other end of the telescopic column 262 is provided with a lock 264, and one end of the lock 264 is a chamfered surface, when the slide plate 25 needs to slide and close, only the slide plate 25 needs to be pulled to make the arc head 254 extend into the telescopic slot 242, because one end of the arc head 254 is arc-shaped, one end of the lock 264 is a chamfered surface, after the arc head 254 touches the lock 264, the lock 264 retracts, when the lock 264 crosses a half of the arc head 254, the lock 264 rebounds under the elastic potential energy of the spring 263 to make the lock 264 clamp the side of the arc head 254, so that the slide plate 25 is locked and fixed, when the slide plate 25 needs to slide and open, only the retainer ring 261 needs to be pulled, the lock 264 can be separated from the arc head 254, so as to lock the slide plate 25 conveniently, the connecting frames 22 are installed at four corners of the back of the second panel 21, the upper end and the lower end of the connecting frame 22 are connected with bolts 23 by screw threads, and the, the front of the second panel 21 is provided with a sliding chute 24, an inner cavity of the sliding chute 24 is slidably provided with a sliding plate 25, and one side of the front of the second panel 21 is provided with a linkage plate 26.

In summary, the following steps: the utility model provides a locking device for circuit protection switch, including circuit protection switch 1 and locking device 2, the surface mounting of circuit protection switch 1 has locking device 2, when the circuit goes wrong and needs to be carried out the outage maintenance, can pull operating handle 14 downwards, make the circuit be in the outage state after, transversely pull arm-tie 255, arm-tie 255 drives slide 25 to move, slide 25 moves and makes red striking warning mark 251 expose, and circular arc head 254 blocks into the inner chamber of flexible groove 242, and warning mark 251 can remind other personnel, the circuit is in the outage maintenance state, thereby the safety of effectual protection circuit and personnel, and the front of warning mark 251 is coated with phosphor powder 252, when light is in dim state, phosphor powder 252 also can give out light and remind other personnel, thereby play the warning role, when slide 25 needs to slide to close, only need stimulate slide 25, make circular arc head 254 stretch into flexible groove 242, one end because of circular arc head 254 is circular-arcly, the one end of hasp 264 is the scarf, circular arc head 254 touches behind hasp 264, make hasp 264 retract, after hasp 264 crosses half circular arc head 254, hasp 264 rebounds under the elasticity potential energy of spring 263, make hasp 264 card in the side of circular arc head 254, thereby make slide 25 locked and fix, when slide 25 need slide and open, only need stimulate retaining ring 261, hasp 264 can break away from circular arc head 254, thereby conveniently lock slide 25, after the circuit overhaul is accomplished, slide 25 opens and shuts, pull 255 is then adsorbed by magnet 241, the effectual slide 25 that prevents rocks at will, cause people's wrong judgement.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a locking device for line protection switch, includes line protection switch (1) and locking device (2), the surface mounting of line protection switch (1) has locking device (2), its characterized in that: the circuit protection switch (1) comprises a main body (11), a first panel (12), a switch groove (13) and an operating handle (14), wherein the first panel (12) is installed on the front surface of the main body (11), the switch groove (13) is formed in the front surface of the first panel (12), the operating handle (14) is installed in an inner cavity of the switch groove (13), and the upper end and the lower end of the first panel (12) are connected with a locking device (2);

locking device (2) include second panel (21), link (22), bolt (23), spout (24), slide (25) and linkage board (26), link (22) are installed to the back four corners of second panel (21), the upper end and the lower extreme threaded connection of link (22) have bolt (23), and the lower extreme and the upper end of link (22) have seted up the rectangle recess, spout (24) have been seted up in the front of second panel (21), the inner chamber slidable mounting of spout (24) has slide (25), linkage board (26) are installed to the positive one side of second panel (21).

2. A latch for a line protection switch according to claim 1, wherein: the sliding groove (24) comprises a magnet (241) and a telescopic groove (242), the magnet (241) is installed on the side wall of one end of the sliding groove (24), and the telescopic groove (242) is formed in the side face of the other end of the sliding groove (24).

3. A latch for a line protection switch according to claim 1, wherein: slide (25) are including warning mark (251), phosphor powder (252), spliced pole (253), arc head (254) and arm-tie (255), and warning mark (251) are installed in the front of slide (25), and the front of warning mark (251) scribbles phosphor powder (252), and the one end side-mounting of slide (25) has a pair of spliced pole (253), and the side-mounting of spliced pole (253) has arc head (254), and arm-tie (255) are installed to the front one end of slide (25).

4. A latch for a line protection switch according to claim 3, wherein: the arc head (254) is a half semicircle.

5. A latch for a line protection switch according to claim 1, wherein: linkage board (26) include retaining ring (261), flexible post (262), spring (263) and hasp (264), and the back mounted of retaining ring (261) has flexible post (262), and spring (263) have been cup jointed to the surface of flexible post (262), and hasp (264) are installed to the other end of flexible post (262), and the one end of hasp (264) is the scarf.