CN210725704U - Voltage breakdown protection device for weak current circuit - Google Patents
Voltage breakdown protection device for weak current circuit Download PDFInfo
- Publication number
- CN210725704U CN210725704U CN201921976258.XU CN201921976258U CN210725704U CN 210725704 U CN210725704 U CN 210725704U CN 201921976258 U CN201921976258 U CN 201921976258U CN 210725704 U CN210725704 U CN 210725704U
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- CN
- China
- Prior art keywords
- protector
- sliding
- protective cover
- plate
- breakdown
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a weak current circuit voltage breakdown protection device, which comprises a mounting plate and a breakdown protector arranged on the mounting plate, wherein the surface of the mounting plate is positioned on the left side and the right side of the breakdown protector and is vertically provided with a chute, the chutes are all connected with sliding plates in a sliding way, and the two sliding plates are connected through a protective cover plate; the mounting panel surface is located and has set firmly the grafting piece above the puncture protector, the one side that the grafting piece is close to the puncture protector transversely has seted up a protection cover plate slot, vertically has seted up two slide slots, the slide is close to the one end of grafting piece and passes through spring and slide slot inner wall connection. The utility model discloses a slide, protective cover board, grafting piece will puncture the protector and enclose and close the protection, make puncture protector and external isolation to when needs overhaul operations such as the puncture protector, the pulling slide makes the puncture protector expose and operates, has formed the effective protection to the puncture protector, and does not influence the normal use of puncture protector.
Description
Technical Field
The utility model relates to an electric power equips the field, especially relates to a weak current circuit voltage breakdown protection device.
Background
The breakdown protector for weak current circuit voltage breakdown protection is a circuit protector for preventing breakdown short circuit from causing larger loss. In an electric power system, a breakdown fuse is mainly used for secondary side (low-voltage side) overvoltage protection of an indoor and outdoor voltage transformer to prevent high voltage from being connected in series into a secondary circuit, and the secondary circuit voltage rise caused by the circuit causes damage to secondary equipment and human bodies; or as overvoltage protection for other consumers. The breakdown fuse is grounded, so that the condition can be effectively prevented (the breakdown can be realized by hundreds of volts), and the breakdown fuse can ensure the insulation with the ground when the device works normally.
The existing breakdown protector used for severe environments such as the field does not have a protection device, on one hand, the breakdown protector is easy to age due to wind and water erosion, the breakdown protector is caused to be out of order, on the other hand, animals such as birds are in contact with the breakdown protector to be connected electrically, the breakdown protector is easy to be damaged, and improvement is needed to be made.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a weak current circuit voltage breakdown protection device to solve above-mentioned technical problem.
The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize:
a weak current circuit voltage breakdown protection device comprises a mounting plate and breakdown protectors, wherein fixing screws are mounted at four corners of the mounting plate, the breakdown protectors are arranged on the mounting plate, the four corners of each breakdown protector are connected with the mounting plate through mounting bolts, sliding grooves are vertically formed in the left side and the right side of the mounting plate, which are positioned on the left side and the right side of each breakdown protector, sliding plates are connected onto the sliding grooves in a sliding mode, and the two sliding plates are connected through a protective cover plate; the surface of the mounting plate is fixedly provided with an inserting block above the breakdown protector, one surface of the inserting block, which is close to the breakdown protector, is transversely provided with a protective cover plate slot and vertically provided with two sliding plate slots, the protective cover plate slot is in inserting fit with the protective cover plate, the two sliding plate slots are respectively arranged at two sides of the protective cover plate slot and are respectively in inserting fit with two sliding plates, the sliding grooves extend into the sliding plate slots, and one end of each sliding plate, which is close to the inserting block, is connected with the inner walls of the sliding plate slots through springs; the mounting plate, the protective cover plate, the sliding plate and the inserting block are all wooden.
Preferably, a plurality of cable outlets are formed in the surface of the protective cover in a penetrating mode, and the cable outlets are in threaded connection with the sealing screw rods.
Preferably, the sliding groove is the same as the sliding plate in length.
Preferably, the two surfaces of the sliding plates, which are deviated from each other, are fixedly provided with mounting blocks, the mounting blocks are in threaded connection with positioning screws, and the surfaces of the mounting plates are provided with threaded holes matched with the positioning screws.
Preferably, the mounting plate, the protective cover plate, the sliding plate and the inserting block are all made of pine materials.
Preferably, the breakdown protector is centrally disposed on the mounting plate.
The utility model has the advantages that:
1. the utility model discloses a slide, protective cover board, grafting piece will puncture the protector and enclose and close the protection, make puncture protector and external isolation to when needs overhaul operations such as the puncture protector, the pulling slide makes the puncture protector expose and operates, has formed the effective protection to the puncture protector, and does not influence the normal use of puncture protector.
2. The cable on the breakdown protector can be led out through the cable outlet, and the sealing screw rod can seal the redundant cable outlet.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a bottom view of the attachment structure of the mounting plate, the slide plate and the protective cover plate of FIG. 1;
FIG. 3 is a bottom view of the insert of FIG. 1;
reference numerals: 1-fixing the screw; 2-a sliding plate slot; 3-a protective cover plate; 4-cable exit; 5-sealing the screw rod; 6, a sliding plate; 7-a plug-in block; 8-a spring; 9-breakdown protector; 10-a chute; 11-a mounting plate; 12-a threaded hole; 14-a positioning screw; 15-mounting a block; 16-mounting bolts; 17-protective cover plate slot.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
Specific embodiments of the present invention will be described below with reference to the accompanying drawings.
As shown in fig. 1-3, a weak current circuit voltage breakdown protection device comprises a mounting plate 11 with four corners provided with fixing screws 1, and a breakdown protector 9 arranged on the mounting plate 11, wherein the breakdown protector 9 is arranged in the center of the mounting plate 11, the four corners of the breakdown protector 9 are connected with the mounting plate 11 through mounting bolts 16, sliding grooves 10 are vertically arranged on the left side and the right side of the breakdown protector 9 on the surface of the mounting plate 11, sliding plates 6 are connected on the sliding grooves 10 in a sliding manner, the lengths of the sliding grooves 10 are the same as those of the sliding plates 6, and the two sliding plates 6 are connected through a protection cover plate 3; the surface of the mounting plate 11 is fixedly provided with an inserting block 7 above the breakdown protector 9, one surface of the inserting block 7, which is close to the breakdown protector 9, is transversely provided with a protective cover plate slot 17 and vertically provided with two sliding plate slots 2, the protective cover plate slot 17 is in inserting fit with the protective cover plate 3, the two sliding plate slots 2 are respectively arranged at two sides of the protective cover plate slot 17 and are respectively in inserting fit with the two sliding plates 6, the sliding groove 10 extends into the sliding plate slot 2, and one end of each sliding plate 6, which is close to the inserting block 7, is connected with the inner wall of the sliding plate slot 2 through; the mounting plate 11, the protective cover plate 3, the sliding plate 6 and the plug block 7 are all made of pine.
The surface of the protective cover plate 3 is provided with a plurality of cable outlets 4 in a penetrating manner, the cable outlets 4 are in threaded connection with the sealing screws 5, the mounting blocks 15 are fixedly arranged on the surfaces of the two sliding plates 6 which deviate from each other, the positioning screws 14 are in threaded connection on the mounting blocks 15, and threaded holes 12 matched with the positioning screws 14 are formed in the surface of the mounting plate 11.
The working principle is as follows: spring 8 will peg graft piece 7 and slide 6 and be connected, make slide 6 insert in the slide slot 2, protection cover plate 3 inserts in the protection cover plate slot 17, make grafting piece 7 and slide 6, protection cover plate 3 cooperation will puncture protector 9 and enclose and close the sealing protection, when needs overhaul operation such as to puncture protector 9, pulling slide 6 makes puncture protector 9 expose and operate, the operation is accomplished the back, make slide 6 reinsert in slide slot 2 under spring 8's elastic force effect, protection cover plate 3 reinsert and will puncture protector 9 and enclose and close the protection in protection cover plate slot 17, can make the cable on the puncture protector 9 wear out through cable export 4, sealing screw 5 can seal unnecessary cable outlet.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a weak current circuit voltage breakdown protection device, includes that mounting panel (11) of clamping screw (1) are installed in the four corners to and breakdown protector (9) of setting on mounting panel (11), its characterized in that:
four corners of the breakdown protector (9) are connected with a mounting plate (11) through mounting bolts (16), sliding grooves (10) are vertically formed in the surfaces of the mounting plate (11) on the left side and the right side of the breakdown protector (9), sliding plates (6) are connected onto the sliding grooves (10) in a sliding mode, and the two sliding plates (6) are connected through a protective cover plate (3);
the surface of the mounting plate (11) is positioned above the breakdown protector (9) and is fixedly provided with an inserting block (7), one surface, close to the breakdown protector (9), of the inserting block (7) is transversely provided with a protective cover plate slot (17) and vertically provided with two sliding plate slots (2), the protective cover plate slot (17) is in inserting fit with the protective cover plate (3), the two sliding plate slots (2) are respectively arranged on two sides of the protective cover plate slot (17) and are respectively in inserting fit with the two sliding plates (6), the sliding groove (10) extends into the sliding plate slot (2), and one end, close to the inserting block (7), of each sliding plate (6) is connected with the inner wall of the corresponding sliding plate slot (2) through a spring (8);
the mounting plate (11), the protective cover plate (3), the sliding plate (6) and the plug-in block (7) are all wooden.
2. A weak current circuit voltage breakdown protection device according to claim 1, wherein: the surface of the protective cover plate (3) is provided with a plurality of cable outlets (4) in a penetrating mode, and the cable outlets (4) are in threaded connection with the sealing screw rods (5).
3. A weak current circuit voltage breakdown protection device according to claim 1, wherein: the sliding groove (10) and the sliding plate (6) are the same in length.
4. A weak current circuit voltage breakdown protection device according to claim 1, wherein: two the one side that slide (6) deviate from mutually all has set firmly installation piece (15), threaded connection has positioning screw (14) on installation piece (15), screw hole (12) with positioning screw (14) matching are seted up on mounting panel (11) surface.
5. A weak current circuit voltage breakdown protection device according to claim 1, wherein: the mounting plate (11), the protective cover plate (3), the sliding plate (6) and the plug-in block (7) are all made of pine materials.
6. A weak current circuit voltage breakdown protection device according to claim 1, wherein: the breakdown protector (9) is arranged in the center of the mounting plate (11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921976258.XU CN210725704U (en) | 2019-11-15 | 2019-11-15 | Voltage breakdown protection device for weak current circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921976258.XU CN210725704U (en) | 2019-11-15 | 2019-11-15 | Voltage breakdown protection device for weak current circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210725704U true CN210725704U (en) | 2020-06-09 |
Family
ID=70937774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201921976258.XU Expired - Fee Related CN210725704U (en) | 2019-11-15 | 2019-11-15 | Voltage breakdown protection device for weak current circuit |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210725704U (en) |
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2019
- 2019-11-15 CN CN201921976258.XU patent/CN210725704U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200609 Termination date: 20201115 |
|
CF01 | Termination of patent right due to non-payment of annual fee |