CN214381728U

CN214381728U - Combined overvoltage protector

Info

Publication number: CN214381728U
Application number: CN202120236512.3U
Authority: CN
Inventors: 陈道国; 余群
Original assignee: Hefei Kachn Electrical Technology Co ltd
Current assignee: Hefei Kachn Electrical Technology Co ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-10-08
Anticipated expiration: 2031-01-28

Abstract

The utility model discloses a combined overvoltage protector, which comprises a shell and a combined overvoltage protector main body arranged at the top of the shell, wherein a sealing cover is embedded at the front side of the shell, a position close to the bottom at the rear side of the sealing cover is rotatably connected with a first rod through a bearing, the rear end of the first rod is fixedly connected with a connecting spring, the rear end of the connecting spring is fixedly connected with a second rod, and the rear end of the second rod is fixedly connected with a fixed rod; the utility model discloses a pulling closing cap antedisplacement makes the gag lever post remove from No. two holes, rotate the closing cap degree afterwards, loosen the closing cap, under coupling spring's take-up action, the closing cap can paste tight casing leading flank, overhaul the completion back, the casing is kept away from to the pulling closing cap, and after the antiport closing cap degree, after then under coupling spring's take-up action and with the closing cap to casing department pulling, the gag lever post enters into No. two downthehole portions after, promote the closing cap through external force, No. two rubber circles are crossed to a rubber circle on gag lever post surface, accomplish the lock to the closing cap.

Description

Combined overvoltage protector

Technical Field

The utility model belongs to the technical field of it is electric, in particular to modular overvoltage protection device.

Background

The overvoltage protector is mainly used for 3-35 kV power plants, substations and other various power supply and power supply systems, and has a limiting effect on the atmospheric overvoltage and phase-to-phase operation overvoltage caused by switching of a motor, a transformer, a switch, a bus and other various electrical equipment, so that the insulation of the electrical equipment is protected from being damaged; the overvoltage protection device can be widely applied to overvoltage protection of electrical equipment in industries such as electric power, metallurgy, chemical industry, coal, petroleum, light industry and the like.

When present overvoltage protector carries out investigation and repair to its inside trouble, need open the casing, if the closing cap adopts articulated mode and casing to be connected, in order to open conveniently, there is certain clearance between the free end of closing cap and the casing, causes external debris, mosquito to get into easily, influences the security of during operation, if adopt the mode of lock to connect, opens the back, and the closing cap is inconvenient to be deposited, overhauls the completion back, and is inconvenient to align the lock to it again.

Therefore, it is desirable to provide a combined overvoltage protection device to solve the above problems, which facilitates the opening and storage of the cover and facilitates the fastening of the cover.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a modular overvoltage protection device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a combined overvoltage protector comprises a shell and a combined overvoltage protector main body arranged on the top of the shell, wherein a sealing cover is embedded in the front side of the shell, a first rod is rotatably connected to the position, close to the bottom, of the rear side of the sealing cover through a bearing, a connecting spring is fixedly connected to the rear end of the first rod, a second rod is fixedly connected to the rear end of the connecting spring, a fixed rod is fixedly connected to the rear end of the second rod, and a plurality of strip-shaped plates are fixedly connected to the circumferential surface of the rear end of the fixed rod; the rear side faces of the sealing covers on the two sides of the first rod are fixedly connected with limiting rods, and the outer sides of the limiting rods are fixedly connected with first rubber rings;

the side wall of the bottom of the shell is provided with a first hole, the first rod, the connecting spring and the second rod are positioned in the first hole, the hole wall of the first hole is provided with a plurality of strip-shaped grooves, the strip-shaped grooves are matched with strip-shaped plates, the strip-shaped plates are positioned in the strip-shaped grooves, and the length of the strip-shaped grooves in the front-back direction is larger than that of the strip-shaped plates in the front-back direction; no. two holes have all been seted up on the casing bottom lateral wall of a hole both sides, the gag lever post is located No. two downtheholess, and No. two rubber rings of fixedly connected with on the pore wall in No. two holes, No. two rubber rings are closer to the closing cap than a rubber ring.

Preferably, a horizontal groove is formed in the front side face of the sealing cover, a horizontal rod is arranged in the horizontal groove, a gravity ball is sleeved on the horizontal rod, and the gravity ball is located in the middle of the horizontal rod.

Preferably, the first rubber ring and the second rubber ring are both made of rubber materials, and the outer diameter of the first rubber ring is larger than the inner diameter of the second rubber ring and smaller than the outer diameter of the second rubber ring.

Preferably, the two sides of the shell are fixedly connected with fixing lugs, and fixing holes penetrate through the surfaces of the fixing lugs in the vertical direction.

Preferably, the groove walls on the two sides of the horizontal groove are fixedly connected with noise reduction pads, and the noise reduction pads are made of silica gel materials.

Preferably, the strip groove front end is kept away from to the strip shaped plate front end, and the strip shaped plate rear end is close to the strip groove rear end, and the distance of strip shaped plate front end to strip groove front end is less than the thickness of closing cap.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a pulling closing cap antedisplacement makes the gag lever post remove from No. two holes, rotates afterwards after the closing cap degree, loosens the closing cap, under the tensioning of coupling spring, the closing cap can paste tight casing leading flank, overhaul after accomplishing, the pulling closing cap keeps away from the casing, and after the reverse rotation closing cap degree, then under the tensioning of coupling spring and with the closing cap to casing department pulling, after the gag lever post enters into No. two holes insidely, promote the closing cap through external force, No. two rubber rings are crossed to the rubber ring on gag lever post surface, accomplish the lock to the closing cap;

2. the utility model discloses an at the in-process with the closing cap rotation degree, the closing cap slope back, because the gravity ball can move on the horizon bar, therefore the gravity ball can move the lower one end department of horizon bar, and at this moment, the focus step-down, consequently the closing cap can easier rotation degree, and then has improved the efficiency of opening of closing cap.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

fig. 2 is a cross-sectional view of the housing of the present invention;

fig. 3 is a front view of the middle housing of the present invention.

In the figure: casing 1, combination formula overvoltage protector main part 2, closing cap 3, a pole 4, coupling spring 5, No. two poles 6, dead lever 7, bar 8, gag lever post 9, a rubber ring 10, bar groove 11, No. two rubber rings 12, horizontal groove 13, horizontal rod 14, gravity ball 15, fixed ear 16, noise reduction pad 17.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.

The utility model provides a combined overvoltage protector as shown in figures 1-3, which comprises a shell 1 and a combined overvoltage protector main body 2 arranged on the top of the shell, wherein a sealing cover 3 is embedded in the front side of the shell 1, a position close to the bottom at the rear side of the sealing cover 3 is rotatably connected with a first rod 4 through a bearing, the rear end of the first rod 4 is fixedly connected with a connecting spring 5, the rear end of the connecting spring 5 is fixedly connected with a second rod 6, the rear end of the second rod 6 is fixedly connected with a fixed rod 7, and a plurality of strip-shaped plates 8 are fixedly connected on the circumferential surface at the rear end of the fixed rod 7; the rear side surfaces of the sealing covers 3 on the two sides of the first rod 4 are fixedly connected with limiting rods 9, and the outer sides of the limiting rods 9 are fixedly connected with first rubber rings 10;

a first hole is formed in the side wall of the bottom of the shell 1, the first rod 4, the connecting spring 5 and the second rod 6 are located in the first hole, a plurality of strip-shaped grooves 11 are formed in the hole wall of the first hole, the strip-shaped grooves 11 are matched with the strip-shaped plates 8, the strip-shaped plates 8 are located in the strip-shaped grooves 11, and the length of the strip-shaped grooves 11 in the front-back direction is larger than that of the strip-shaped plates 8 in the front-back direction; no. 1 hole both sides of casing 1 bottom lateral wall is last all to have seted up No. two holes, and gag lever post 9 is located No. two downtheholess, and No. two rubber rings of fixedly connected with 12 on the pore wall in No. two holes, and No. two rubber rings 12 are more close to closing cap 3 than a rubber ring 10.

As a specific implementation mode of the utility model, horizontal groove 13 has been seted up to 3 leading flanks of closing cap, and horizontal groove 13 is inside to be provided with horizontal rod 14, has cup jointed gravity ball 15 on the horizontal rod 14, and gravity ball 15 is located horizontal rod 14 middle part.

As a specific embodiment of the present invention, the first rubber ring 10 and the second rubber ring 12 are both made of rubber material, and the outer diameter of the first rubber ring 10 is larger than the inner diameter of the second rubber ring 12 and smaller than the outer diameter of the second rubber ring 12; the second rubber ring 12 is guaranteed to limit the first rubber ring 10.

As a specific embodiment of the present invention, the two sides of the housing 1 are both fixedly connected with fixing lugs 16, and the surfaces of the fixing lugs 16 are provided with fixing holes along the vertical direction; the housing 1 can be fixed at a desired position through the fixing holes of the surface of the fixing lugs 16.

As a specific embodiment of the present invention, noise reduction pads 17 are fixedly connected to both side walls of the horizontal groove 13, and the noise reduction pads 17 are made of a silica gel material; when the gravity ball 15 moves down to one end of the horizontal rod 14 after the rotation of the cover 3, the noise reduction pad 17 made of a silicone material can reduce the impact sound of the gravity ball 15 㔿 on the wall of the horizontal groove 13.

As a specific embodiment of the present invention, the front end of the strip-shaped plate 8 is far away from the front end of the strip-shaped groove 11, the rear end of the strip-shaped plate 8 is close to the rear end of the strip-shaped groove 11, and the distance from the front end of the strip-shaped plate 8 to the front end of the strip-shaped groove 11 is less than the thickness of the sealing cover 3; after the cover 3 is pulled out from the front side of the housing 1, the connecting spring 5 is in a stretched state, and the cover 3 can be tightly attached to the front side surface of the housing 1 by the restoring force of the connecting spring 5.

The utility model discloses the theory of operation:

referring to the attached drawings 1-3 of the specification, when the electronic lock needs to be opened, the sealing cover 3 is pulled to move forwards, then the sealing cover 3 drives the first rubber ring 10 on the surface of the limiting rod 9 to pass through the second rubber ring 12, the limiting rod 9 is moved out of the second hole, meanwhile, due to the blocking of the strip-shaped groove 11 on the strip-shaped plate 8, before the limiting rod 9 is moved out of the second hole, the strip-shaped plate 8 stops moving forwards, at the moment, the connecting spring 5 is in a stretching state, then the sealing cover is rotated by 390 degrees, the first rod 4 is in a static state under the pulling and holding effect of the connecting spring 5, after the connecting spring is rotated by 90 degrees, the sealing cover 3 is loosened, under the tensioning effect of the connecting spring 5, the sealing cover 3 can be attached to the front side face of the shell 1, the sealing range of the sealing cover 3 to the shell 1 is only concentrated at the middle part, and the inside of the shell 1 can be overhauled through gaps at the exposed parts at two sides;

after the overhaul is finished, pulling the seal cover 3 to be far away from the shell 1, reversely rotating the seal cover for 390 degrees, then pulling the seal cover 3 to the shell 1 under the tensioning action of the connecting spring 5, pushing the seal cover 3 through external force after the limiting rod 9 enters the second hole, and buckling the seal cover 3 by enabling the first rubber ring 10 on the surface of the limiting rod 9 to pass through the second rubber ring 12;

and in the process of rotating the sealing cover 3 by 90 degrees, after the sealing cover 3 is inclined, because the gravity ball 15 moves on the horizontal rod 14, the gravity ball 15 moves to the lower end of the horizontal rod 14, at the moment, the gravity center becomes lower, so that the sealing cover 3 can be rotated by 90 degrees more easily, and the opening efficiency of the sealing cover 3 is improved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A modular overvoltage protection device comprising a housing (1) and a modular overvoltage protection device body (2) mounted on top thereof, characterized in that: a sealing cover (3) is embedded into the front side of the shell (1), a first rod (4) is rotatably connected to the position, close to the bottom, of the rear side of the sealing cover (3) through a bearing, a connecting spring (5) is fixedly connected to the rear end of the first rod (4), a second rod (6) is fixedly connected to the rear end of the connecting spring (5), a fixing rod (7) is fixedly connected to the rear end of the second rod (6), and a plurality of strip-shaped plates (8) are fixedly connected to the circumferential surface of the rear end of the fixing rod (7); the rear side surfaces of the sealing covers (3) on the two sides of the first rod (4) are fixedly connected with limiting rods (9), and the outer sides of the limiting rods (9) are fixedly connected with first rubber rings (10);

a first hole is formed in the side wall of the bottom of the shell (1), the first rod (4), the connecting spring (5) and the second rod (6) are located in the first hole, a plurality of strip-shaped grooves (11) are formed in the hole wall of the first hole, the strip-shaped grooves (11) are matched with the strip-shaped plates (8), the strip-shaped plates (8) are located in the strip-shaped grooves (11), and the length of the strip-shaped grooves (11) in the front-back direction is larger than that of the strip-shaped plates (8) in the front-back direction; no. two holes have all been seted up on casing (1) bottom lateral wall to a hole both sides, gag lever post (9) are located No. two downtheholes, and No. two rubber rings of fixedly connected with (12) on the pore wall in No. two holes, and No. two rubber rings (12) are more close to closing cap (3) than a rubber ring (10).

2. A combined overvoltage protector according to claim 1 wherein: a horizontal groove (13) is formed in the front side face of the sealing cover (3), a horizontal rod (14) is arranged inside the horizontal groove (13), a gravity ball (15) is sleeved on the horizontal rod (14), and the gravity ball (15) is located in the middle of the horizontal rod (14).

3. A combined overvoltage protector according to claim 1 wherein: the rubber ring I (10) and the rubber ring II (12) are both made of rubber materials, and the outer diameter of the rubber ring I (10) is larger than the inner diameter of the rubber ring II (12) and smaller than the outer diameter of the rubber ring II (12).

4. A combined overvoltage protector according to claim 1 wherein: the casing (1) both sides equal fixedly connected with fixed ear (16), fixed ear (16) surface is equipped with the fixed orifices along vertical direction run through.

5. A combined overvoltage protector according to claim 2 wherein: all fixedly connected with noise reduction pad (17) on the cell wall of horizontal groove (13) both sides, noise reduction pad (17) are made by the silica gel material.

6. A combined overvoltage protector according to claim 1 wherein: strip shaped plate (8) front end is kept away from strip groove (11) front end, and strip shaped plate (8) rear end is close to strip groove (11) rear end, and the distance of strip shaped plate (8) front end to strip groove (11) front end is less than the thickness of closing cap (3).