CN215817450U

CN215817450U - Lightning arrester with good stability

Info

Publication number: CN215817450U
Application number: CN202122036845.4U
Authority: CN
Inventors: 冉瑜
Original assignee: Hebei Jinyida Electrical Equipment Co ltd
Current assignee: Hebei Jinyida Electrical Equipment Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-02-11
Anticipated expiration: 2031-08-27

Abstract

The utility model discloses a lightning arrester with good stability, which comprises a lightning arrester body, wherein a wiring groove is arranged in the middle of the top end of the lightning arrester body, a fixed rod is fixedly connected to the inner wall of the middle of the bottom end of the wiring groove, clamping holes are formed in the tops of the left side and the right side of the fixed rod, an installation shell is arranged at the top end of the lightning arrester body, a sealing ring is fixedly connected to the bottom end of the installation shell, and a slot is formed in the middle of the bottom end of the installation shell. According to the utility model, the wire is firstly sleeved on the fixed rod and then inserted into the slot, the clamping column slides in the sliding groove due to extrusion, and is clamped in the clamping hole under the action of the reset spring, meanwhile, the limiting column can press the connected wire in the wiring groove, so that the phenomenon of looseness in long-time use is avoided, the integral stability is further improved, and meanwhile, the gear rotates to drive the clamping column to slide by pressing the lock rod, so that the mounting shell can be detached, the use of an operator is facilitated, and the wire fixing device is worth popularizing.

Description

Lightning arrester with good stability

Technical Field

The utility model relates to the field of power transmission insulating equipment, in particular to a lightning arrester with good stability.

Background

The lightning arrester is also named as an overvoltage protector, which is an electric appliance for protecting electric equipment from high transient overvoltage and limiting follow current time and normally limiting follow current assignment, the main material of the lightning arrester is zinc oxide, the lightning arrester is usually connected between a power grid wire and a ground wire and sometimes connected beside an electric appliance winding or between wires, the alternating-current gapless metal oxide lightning arrester has the characteristics of excellent nonlinear volt-ampere characteristic, good response characteristic, no follow current, large through-current capacity, low residual voltage, strong overvoltage suppression capability, pollution resistance, ageing resistance, no altitude constraint, simple structure, no gap, tight seal, long service life and the like, and the lightning arrester presents a high resistance state under normal system working voltage, only microampere current passes through the lightning arrester, and presents low resistance under the action of overvoltage and large current, thereby limiting residual voltage at two ends of the lightning arrester.

Chinese patent document CN209544048U discloses a lightning arrester, which comprises a core, an upper electrode, a lower electrode and a composite outer sleeve, wherein the core comprises a plurality of resistance cards and insulating supporting members, the upper electrode and the lower electrode are respectively arranged at two ends of the core, the insulating supporting members connect the upper electrode, the lower electrode and the plurality of resistance cards into a whole, and no gap is left between the inside of the core and the upper electrode and between the inside of the core and the lower electrode; the upper electrode and the lower electrode are of boss structures and comprise a platform part and a protruding part, the platform part is close to the core body, and a connecting bolt is arranged in the center of the end face of the protruding part; the composite coat is a silicon rubber umbrella skirt. Although above-mentioned arrester's simple structure and stability, mechanical strength and electrical property are high, can realize full life cycle non-maintaining, and production efficiency is high, low in manufacturing cost, but the operation of wiring is too traditional, is unfavorable for just doing the personnel of wiring, and along with the loss of time, the local easy appearance of wiring is not hard up to influence the use of arrester, lack certain stability.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a lightning arrester with good stability.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a good arrester of stability, includes the arrester body, the middle part on arrester body top is provided with the wiring groove, fixedly connected with dead lever on the inner wall at wiring groove bottom middle part, the top of dead lever left and right sides is provided with the card hole, arrester body top is provided with the installation shell, the bottom fixedly connected with sealing washer of installation shell, the middle part of installation shell bottom is provided with the slot, all be provided with the spout on the inner wall at slot left and right sides top, equal fixed connection is in reset spring's one end on the inner wall of one side is kept away from to the slot, the equal fixedly connected with card post of reset spring's the other end, the recess at the middle part of spout bottom is connected with the internal rotation gear, the bottom of installation shell left and right sides all is provided with the drawing groove, the inside sliding connection in drawing groove has the locking lever.

As a further description of the above technical solution:

the bottom fixedly connected with installation base of arrester body.

As a further description of the above technical solution:

and the outer wall of the lightning arrester body is fixedly connected with silicon rubber umbrella covers which are uniformly distributed.

As a further description of the above technical solution:

the inner wall of the top end of the slot is fixedly connected with a sealing gasket, and the fixing rod is connected inside the slot in a sliding mode.

As a further description of the above technical solution:

the clamping column is connected inside the sliding groove in a sliding mode.

As a further description of the above technical solution:

the top of locking lever and the bottom of card post all are provided with the rack, the rack meshes the upper and lower both ends at the gear respectively.

As a further description of the above technical solution:

the installation shell bottom is located the equal fixedly connected with spacing post in the left and right sides of spacing post, equal fixedly connected with silica gel pad on the bottom of spacing post and the inner wall of wiring groove bottom.

As a further description of the above technical solution:

the left side on arrester body top is provided with the wiring hole, the wiring hole communicates with each other with the wiring groove.

The utility model has the following beneficial effects:

1. according to the utility model, firstly, after a wire to be connected is sleeved on the fixing rod, the fixing rod is inserted into the slot, the clamping column can slide in the chute under the extrusion of the fixing rod, when the fixing rod is close to the clamping hole, the clamping column can be clamped in the clamping hole under the action of the reset spring, and meanwhile, the limiting column can press the connected wire in the wiring slot, so that the wire is not required to be fixed through a nut, the phenomenon of looseness in long-time use is avoided, and the integral stability is further improved.

2. According to the lightning arrester with the locking rod, the gear of the lightning arrester body 5 is rotated by pressing the locking rod, so that the clamping column slides, the mounting shell can be detached, the operation is simple, excessive operation is not needed, the lightning arrester is convenient to use for operators, and the lightning arrester is worth popularizing.

Drawings

Fig. 1 is a perspective view of a lightning arrester with good stability according to the present invention;

fig. 2 is an internal structural view of a mounting case in a lightning arrester according to the present invention, which has good stability;

fig. 3 is an enlarged view of a portion a in fig. 2.

Illustration of the drawings:

1. mounting a shell; 2. a seal ring; 3. a silicon rubber umbrella cover; 4. installing a base; 5. a lightning arrester body; 6. A wiring hole; 7. fixing the rod; 8. a clamping hole; 9. a limiting column; 10. a wiring slot; 11. a silica gel pad; 12. A return spring; 13. clamping the column; 14. a gasket; 15. a slot; 16. a lock lever; 17. a gear; 18. A rack; 19. drawing the groove; 20. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be 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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: an arrester with good stability comprises an arrester body 5, wherein a wiring groove 10 is arranged in the middle of the top end of the arrester body 5, a fixing rod 7 is fixedly connected to the inner wall of the middle of the bottom end of the wiring groove 10, after a wire to be connected is sleeved on the fixing rod 7, clamping holes 8 are formed in the top portions of the left side and the right side of the fixing rod 7, clamping columns 13 can be clamped in the clamping holes 8, an installation shell 1 is arranged at the top end of the arrester body 5, a sealing ring 2 is fixedly connected to the bottom end of the installation shell 1, the sealing performance is improved, a slot 15 is formed in the middle of the bottom end of the installation shell 1, the fixing rod 7 is inserted into the slot 15, sliding grooves 20 are formed in the inner walls of the top portions of the left side and the right side of the slot 15, the sliding grooves 20 are fixedly connected to one end of a reset spring 12 on the inner wall of the side away from each other end of the reset spring 12, the fixing rod 7 is inserted into the slot 15, the clamping columns 13 can slide in the sliding grooves 20 under the extrusion of the fixing rod 7, when dead lever 7 is close to card hole 8, card post 13 can block in calorie hole 8 under reset spring 12's effect, spacing post 9 can be with the line pressure that connects in wiring groove 10 simultaneously, the recess internal rotation at the middle part of spout 20 bottom is connected with gear 17, the bottom of the installation shell 1 left and right sides all is provided with pull groove 19, pull groove 19's inside sliding connection has locking lever 16, through pressing the locking lever, 16 make the gear 17 rotation of arrester body 5, and then make card post 13 slide, thereby can dismantle installation shell 1.

The bottom end of the lightning arrester body 5 is fixedly connected with an installation base 4, the outer wall of the lightning arrester body 5 is fixedly connected with uniformly distributed silicon rubber umbrella covers 3, the inner wall of the top end of a slot 15 is fixedly connected with a sealing gasket 14 to improve the sealing performance, a fixed rod 7 is slidably connected inside the slot 15, a clamping column 13 is slidably connected inside a chute 20, the top end of a lock rod 16 and the bottom end of the clamping column 13 are both provided with racks 18, the racks 18 are respectively meshed at the upper end and the lower end of a gear 17, the lock rod 16 is pressed to rotate the gear 17 and further slide the clamping column 13, so that the installation shell 1 can be disassembled, the bottom end of the installation shell 1 is positioned at the left side and the right side of a limiting column 9 and is fixedly connected with the limiting column 9, the limiting column 9 can press the connected wires in a wiring slot 10 without fixing the wires through nuts, the phenomenon of loosening in long-time use is avoided, and the overall stability is further improved, equal fixedly connected with silica gel pad 11 on the inner wall of the bottom of spacing post 9 and wiring groove 10 bottom improves the leakproofness, and the left side on 5 tops of arrester body is provided with wiring hole 6, and wiring hole 6 communicates with each other with wiring groove 10.

The working principle is as follows: after the line that will connect at first overlaps on dead lever 7, insert slot 15 with dead lever 7 in, because card post 13 receives the extrusion of dead lever 7 and can slide in spout 20, when dead lever 7 is close to card hole 8, card post 13 can block in calorie hole 8 under reset spring 12's effect, spacing post 9 can press the line that connects in wiring groove 10 simultaneously, need not to fix through the nut, avoid long-time use the not hard up phenomenon to appear, and then improved holistic stability, simultaneously through pressing gear 17 rotation that locking lever 16 made arrester body 5, and then make card post 13 slide, thereby can dismantle mounting shell 1, and then easy operation, need not too much operation, the use of the operating personnel of being convenient for, be worth wideling popularize.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a good arrester of stability, includes arrester body (5), its characterized in that: the lightning arrester is characterized in that a wiring groove (10) is arranged in the middle of the top end of the lightning arrester body (5), a fixing rod (7) is fixedly connected to the inner wall of the middle of the bottom end of the wiring groove (10), clamping holes (8) are formed in the tops of the left side and the right side of the fixing rod (7), an installation shell (1) is arranged at the top end of the lightning arrester body (5), a sealing ring (2) is fixedly connected to the bottom end of the installation shell (1), a slot (15) is formed in the middle of the bottom end of the installation shell (1), sliding grooves (20) are formed in the inner walls of the tops of the left side and the right side of the slot (15), the sliding grooves (20) are fixedly connected to one end of a reset spring (12) on the inner wall of the side, where the sliding grooves (20) are separated from each other, clamping columns (13) are fixedly connected to the other ends of the reset springs (12), gears (17) are rotatably connected to the grooves in the middle of the bottoms of the bottom ends of the sliding grooves (20), and drawing grooves (19) are formed in the bottoms of the left side and the right side of the installation shell (1), the interior of the drawing groove (19) is connected with a lock rod (16) in a sliding way.

2. A lightning arrester according to claim 1, characterized in that: the bottom end of the lightning arrester body (5) is fixedly connected with an installation base (4).

3. A lightning arrester according to claim 1, characterized in that: the outer wall of the lightning arrester body (5) is fixedly connected with silicon rubber umbrella covers (3) which are uniformly distributed.

4. A lightning arrester according to claim 1, characterized in that: fixedly connected with sealed pad (14) on the inner wall on slot (15) top, dead lever (7) sliding connection is in the inside of slot (15).

5. A lightning arrester according to claim 1, characterized in that: the clamping column (13) is connected inside the sliding groove (20) in a sliding mode.

6. A lightning arrester according to claim 1, characterized in that: the top of lock lever (16) and the bottom of card post (13) all are provided with rack (18), rack (18) mesh respectively in the upper and lower both ends of gear (17).

7. A lightning arrester according to claim 1, characterized in that: the installation shell (1) bottom is located the equal fixedly connected with spacing post (9) of the left and right sides of spacing post (9), equal fixedly connected with silica gel pad (11) on the inner wall of the bottom of spacing post (9) and wiring groove (10) bottom.

8. A lightning arrester according to claim 1, characterized in that: the lightning arrester is characterized in that a wiring hole (6) is formed in the left side of the top end of the lightning arrester body (5), and the wiring hole (6) is communicated with a wiring groove (10).