CN211556823U - A kind of AC arrester with discharge gap - Google Patents

Abstract

The utility model discloses an AC arrester with a discharge gap, which relates to the field of arresters. The AC arrester with discharge gap includes arrester body, square sleeve, stainless steel drain ring and fixing block. The square sleeve is fixedly connected to the top of the arrester body, the stainless steel drain ring is fixedly connected to the side wall of the fixing block, and the bottom of the fixing block is fixedly connected A limit block, the bottom of the limit block is fixedly connected with a clamping column, the square sleeve is provided with a square groove, and the side wall of the square sleeve is provided with a clamping mechanism corresponding to the limit block. The AC arrester with discharge gap realizes that when the stainless steel drain ring is installed on the arrester body, since the clamping column is set in a square shape, the clamping column will not rotate when it is inserted into the square sleeve, that is, the installation angle is positioned, and the clamping column is inserted into the square sleeve. The setting of the tightening mechanism can save the staff's replacement time for the stainless steel drainage ring, the operation is simple and convenient, and the clamping effect is good.

Description

A kind of AC arrester with discharge gap

technical field

The utility model relates to the technical field of surge arresters, in particular to an AC surge arrester with a discharge gap.

Background technique

The AC arrester with discharge gap includes the main body of the arrester (current limiting element), the current drain ring and the connecting piece, which are connected in parallel with the insulator when used. Power consumption and no current generation, thus greatly improving the service life. When direct lightning strikes or induced lightning strikes on high-voltage wires, the main body of the arrester is introduced through the drainage ring to quickly filter out excess charges, cut off the power-frequency freewheeling current, and release the energy instantly. , play the role of protecting electrical appliances, thereby avoiding the occurrence of flashover or breakdown of insulators, burns of high-voltage wires and frequent tripping of power supply systems, so as to ensure the normal operation of the line.

In the prior art, the installation of the drainage ring is generally tightened with bolts. When tightening with bolts, it is easy to cause the drainage ring to rotate. The staff needs to position it by hand, and then install it at a specified angle, which is very inconvenient. When the drainage ring used for a long time needs to be replaced, the existing fixing method takes a long time to replace, the operation is cumbersome, and it consumes a lot of time of the staff, and cannot meet the needs. In view of the shortcomings of the existing technology, the utility model discloses a AC arrester with discharge gap to solve the above problems.

Utility model content

(1) Technical problems solved

Aiming at the deficiencies of the prior art, the utility model discloses an AC arrester with a discharge gap to solve the problems raised in the above background technology.

(2) Technical solutions

In order to achieve the above purpose, the present utility model is achieved through the following technical solutions: an AC arrester with a discharge gap, comprising a main body of the arrester, a square sleeve, a stainless steel drain ring and a fixing block, and a mounting frame is fixedly installed at the bottom of the main body of the arrester, The square sleeve is fixedly connected to the top of the arrester body, the stainless steel drainage ring is fixedly connected to the side wall of the fixed block, the bottom of the fixed block is fixedly connected to a limit block, and the bottom of the limit block is fixedly connected with a card The upper surface of the square sleeve is provided with a square groove corresponding to the clamping column, the clamping column is movably inserted into the square groove, and the side wall of the square sleeve is provided with a corresponding limit block. clamping mechanism.

Preferably, the clamping mechanism includes a shaft seat and a rotating rod, the shaft seat is fixedly connected to the side wall of the square sleeve, and the side of the shaft seat away from the square sleeve is provided with a clamping groove corresponding to the rotating rod , the middle part of the rotating rod is rotatably connected in the card slot.

Preferably, a pin shaft is inserted into the slot of the shaft seat, and the pin shaft passes through the shaft seat and the side wall of the rotating rod in sequence and is fixed.

Preferably, one end of the rotating rod is fixedly connected with a pressure plate, the other end of the rotating rod is fixedly connected with a baffle plate, a rectangular groove corresponding to the baffle plate is formed on the limit block, and the baffle plate is movable connected in the rectangular slot.

Preferably, a spring is provided between the baffle plate and the axle seat, one end of the spring is fixedly connected to the side wall of the square sleeve, the other end of the spring is fixedly connected to the side wall of the rotating rod, and the spring in a stretched state.

Preferably, the bottom surface of the limit block is the same size as the top surface of the square sleeve, the lower surface of the limit block is in contact with the upper surface of the square sleeve, and the depth of the square groove is greater than the length of the clamping column .

Preferably, the bottom of the baffle is fitted with the bottom wall of the rectangular groove.

The utility model discloses an AC lightning arrester with a discharge gap, which has the following beneficial effects:

1. The AC arrester with discharge gap is provided with arrester body, square sleeve, stainless steel drainage ring, fixing block, limit block, clamping post and clamping mechanism, so that when the stainless steel drainage ring is installed on the arrester body, due to the clamping The column is set in a square shape, so there will be no rotation when the clamping column is inserted into the square sleeve, that is, the installation angle is positioned. When the stainless steel drainage ring is used for a long time, the stainless steel drainage ring may be damaged. Through the setting of the clamping mechanism The replacement time of the stainless steel drainage ring by staff can be saved, the operation is simple and convenient, the clamping effect is good, and the needs of users are satisfied.

2. The spring of the AC arrester with discharge gap can ensure that the rotating rod has a pulling force, so that the rotating rod has a force on the baffle, so that the baffle is stably offset with the bottom wall of the rectangular groove, and then the limit is realized. The fixing of the block ensures the stability of the clamping mechanism, which not only ensures the normal use of the device, but also prevents accidents caused by the poor fixing of the stainless steel drainage ring.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the enlarged view of part A in Fig. 1 of the utility model;

Fig. 3 is the utility model square groove structure diagram;

FIG. 4 is a structural diagram of a clamping column of the present invention.

In the figure: 1, arrester body; 101, mounting frame; 2, square sleeve; 201, square groove; 3, stainless steel drainage ring; 4, fixing block; 5, limit block; 501, rectangular groove; 502, clamping post ; 6, the axle seat; 601, the pin; 7, the lever; 701, the pressure plate; 702, the baffle; 8, the spring.

Detailed ways

An embodiment of the present utility model provides an AC arrester with a discharge gap, as shown in Figures 1-4, comprising an arrester main body 1, a square sleeve 2, a stainless steel drain ring 3 and a fixing block 4, and the bottom of the arrester main body 1 is fixedly installed with an installation The frame 101, the square sleeve 2 is fixedly connected to the top of the arrester body 1, the stainless steel drainage ring 3 is fixedly connected to the side wall of the fixed block 4, the bottom of the fixed block 4 is fixedly connected to the limit block 5, and the bottom of the limit block 5 is fixedly connected There is a clamping column 502, the upper surface of the square sleeve 2 is provided with a square groove 201 corresponding to the clamping column 502, the clamping column 502 is movably inserted into the square groove 201, and the side wall of the square sleeve 2 is provided with a limit block. 5 For the corresponding clamping mechanism, by setting the arrester body 1, the square sleeve 2, the stainless steel drainage ring 3, the fixing block 4, the limit block 5, the clamping column 502 and the clamping mechanism, the installation of stainless steel on the arrester body 1 is realized. When the drainage ring 3 is used, since the clamping column 502 is set in a square shape, there will be no rotation when the clamping column 502 is inserted into the square sleeve 2, that is, its installation angle is positioned. When the stainless steel drainage ring 3 is used for a long time, the stainless steel drainage The ring 3 may be damaged. The setting of the clamping mechanism can save the staff's replacement time for the stainless steel drainage ring 3. The operation is simple and convenient, the clamping effect is good, and the user's needs are met.

The clamping mechanism includes a shaft seat 6 and a rotating rod 7. The shaft seat 6 is fixedly connected to the side wall of the square sleeve 2. The side of the shaft seat 6 away from the square sleeve 2 is provided with a slot corresponding to the rotating rod 7. The middle part of the rod 7 is rotatably connected in the card slot, and the shape of the shaft seat 6 is composed of two plates with a card slot in the middle, or can also be formed by a U-shaped plate.

The pin shaft 601 is inserted into the slot of the shaft seat 6, and the pin shaft 601 passes through the side wall of the shaft seat 6 and the rotating rod 7 and is fixed in turn. Inside.

One end of the rotating rod 7 is fixedly connected with a pressure plate 701, and the other end of the rotating rod 7 is fixedly connected with a baffle plate 702. The limit block 5 is provided with a rectangular groove 501 corresponding to the baffle plate 702, and the baffle plate 702 is movably clamped in the rectangular shape. In the groove 501 , the pressing plate 701 is arranged to facilitate the pressing of one end of the rotating rod 7 , thereby making the pressing plate 701 move.

A spring 8 is provided between the baffle plate 702 and the shaft seat 6, one end of the spring 8 is fixedly connected to the side wall of the square sleeve 2, the other end of the spring 8 is fixedly connected to the side wall of the rotating rod 7, and the spring 8 is in tension. In this state, the spring 8 can ensure that the rotating rod 7 has a pulling force, so that the rotating rod 7 has a force on the baffle plate 702, so that the baffle plate 702 is stably abutted against the bottom wall of the rectangular groove 501, and then the limit block is realized. The fixation of 5 ensures the stability of the clamping mechanism, which not only ensures the normal use of the device, but also prevents accidents caused by the poor fixation of the stainless steel drainage ring 3.

The bottom surface of the limiting block 5 is the same size as the top surface of the square sleeve 2 , the lower surface of the limiting block 5 is in contact with the upper surface of the square sleeve 2 , and the depth of the square groove 201 is greater than the length of the clamping column 502 .

The bottom of the baffle plate 702 is in contact with the bottom wall of the rectangular groove 501 .

Working principle: The user can quickly disassemble or replace the stainless steel drainage ring 3 when using it. First, the user can fix the arrester body 1 on the electric through the mounting bracket 101, and then install the stainless steel drainage ring 3. Pressing the pressure plate 701, the pressure plate 701 further drives the rotating rod 7 to rotate in the slot of the shaft seat 6 along the pin 601, the rotating rod 7 drives the baffle 702 to move and tilt, and the rotating rod 7 also makes the spring 8 stretch. When the pressing plate 701 is in contact with the side wall of the square sleeve 2, the baffle plate 702 is tilted up. At this time, the fixing block 4 is held, and the clamping column 502 is pressed down to align the clamping column 502 with the square groove 201 and insert it downward. When the lower surface of the limiting block 5 is in contact with the upper surface of the square sleeve 2, the pressing plate 701 is released at this time, the spring 8 compresses and drives the rotating rod 7 to rotate, and the rotating rod 7 drives the baffle plate 702 to be clamped in the rectangular groove 501. , so that the baffle 702 is in contact with the bottom wall of the rectangular groove 501. At this time, the fixing of the limit block 5 is completed, and then the fixing of the fixing block 4 is completed, that is, the installation of the stainless steel drainage ring 3 is completed. When the stainless steel drainage ring needs to be disassembled 3, the operation process can be reversed from the above.

By setting the arrester body 1, the square sleeve 2, the stainless steel drainage ring 3, the fixing block 4, the limit block 5, the clamping column 502 and the clamping mechanism, the device realizes that when the stainless steel drainage ring 3 is installed on the arrester body 1, due to the The clamping column 502 is set in a square shape, so when the clamping column 502 is inserted into the square sleeve 2, it will not rotate, that is, its installation angle is positioned. When the stainless steel drainage ring 3 is used for a long time, the stainless steel drainage ring 3 may be damaged. The setting of the clamping mechanism can save the staff's replacement time for the stainless steel drainage ring 3, the operation is simple and convenient, the clamping effect is good, and the needs of users are met.

The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention The new model will also have various changes and improvements, which all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. The utility model provides a take discharge gap to exchange arrester, includes arrester main part (1), square sleeve (2), stainless steel drainage ring (3) and fixed block (4), its characterized in that: the bottom fixed mounting of arrester main part (1) has mounting bracket (101), square sleeve (2) fixed connection is at the top of arrester main part (1), stainless steel drainage ring (3) fixed connection is at the lateral wall of fixed block (4), the bottom fixedly connected with stopper (5) of fixed block (4), the bottom fixedly connected with card post (502) of stopper (5), square groove (201) corresponding with card post (502) are seted up to the upper surface of square sleeve (2), card post (502) activity is pegged graft in square groove (201), the lateral wall of square sleeve (2) is equipped with the chucking mechanism corresponding with stopper (5).

2. An alternating current lightning arrester according to claim 1, characterized in that: the clamping mechanism comprises a shaft seat (6) and a rotating rod (7), the shaft seat (6) is fixedly connected to the side wall of the square sleeve (2), a clamping groove corresponding to the rotating rod (7) is formed in one side, away from the square sleeve (2), of the shaft seat (6), and the middle of the rotating rod (7) is rotatably connected into the clamping groove.

3. An alternating current lightning arrester according to claim 2, characterized in that: and a pin shaft (601) is inserted into a clamping groove of the shaft seat (6), and the pin shaft (601) sequentially penetrates through the side walls of the shaft seat (6) and the rotating rod (7) and is fixed.

4. An alternating current lightning arrester according to claim 2, characterized in that: one end fixedly connected with clamp plate (701) of bull stick (7), the other end fixedly connected with baffle (702) of bull stick (7), seted up on stopper (5) with corresponding rectangular channel (501) of baffle (702), baffle (702) activity joint is in rectangular channel (501).

5. An alternating current lightning arrester according to claim 4, characterized in that: a spring (8) is arranged between the baffle (702) and the shaft seat (6), one end of the spring (8) is fixedly connected with the side wall of the square sleeve (2), the other end of the spring (8) is fixedly connected with the side wall of the rotating rod (7), and the spring (8) is in a stretching state.

6. An alternating current lightning arrester according to claim 1, characterized in that: the bottom surface of stopper (5) is the same with the top surface size of square sleeve (2), the lower surface of stopper (5) is laminated with the upper surface of square sleeve (2) mutually, the degree of depth of square groove (201) is greater than the length of card post (502).

7. An alternating current lightning arrester according to claim 4, characterized in that: the bottom of the baffle (702) is attached to the bottom wall of the rectangular groove (501).

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