CN211830188U

CN211830188U - Neutral point grounding protector convenient to replace and maintain

Info

Publication number: CN211830188U
Application number: CN202020541661.6U
Authority: CN
Inventors: 王震林
Original assignee: Yangzhou Surge Electric Co Ltd
Current assignee: Yangzhou Surge Electric Co Ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-10-30
Anticipated expiration: 2030-04-14

Abstract

The utility model belongs to the technical field of electrical equipment, especially, be a neutral point grounding protector convenient to change and maintain, including protector body, fixing base, first connecting spring and assembly plate, the assembly plate is installed on the fixing base through first connecting spring, be equipped with the inlay groove on the assembly plate perpendicularly, be equipped with the through-hole that transversely runs through the inlay groove on the assembly plate, the inside of inlay groove is inlayed and is equipped with buckle device, buckle device comprises barrel, mount pad, spring coupling seat, second connecting spring, slider and toper fixture block, the inside of barrel is equipped with the pole-passing hole with the coaxial setting of through-hole. The utility model discloses a but fixing base, first connecting spring, assembly plate, buckle device and assembly member constitute earth protector's modular plug structure, abandon traditional bolt-up's mode, make change and overhaul to maintain more convenient, and simple structure, practicality, the reliability is high, satisfies quick plug demand.

Description

Neutral point grounding protector convenient to replace and maintain

Technical Field

The utility model relates to an electrical equipment technical field specifically is a neutral point earth protector convenient to change and maintain.

Background

The transformer neutral point grounding protector is specially used for a power transformer neutral point so as to realize two different operation modes of grounding operation or ungrounded operation of the transformer neutral point; therefore, damage to the transformer caused by the rise of the voltage of the neutral point of the transformer due to system faults is avoided. The neutral point grounding protector is widely applied to the fields of electric power, metallurgy, petrifaction, building, environmental protection and the like.

Traditional neutral point earth protector is bolt-up mounting structure, needs dismantle each bolt one by one when carrying out more or trade the maintenance, and the operation is numerous and diverse, wastes time and energy, influences work efficiency, can not satisfy quick plug demand.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a neutral point earth protector convenient to change and maintain has solved traditional neutral point earth protector and for bolt-up mounting structure, need dismantle each bolt one by one when carrying out more or changing to overhaul the maintenance, operates numerous and diverse, wastes time and energy, influences work efficiency, can not satisfy the problem of quick plug demand.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a neutral point grounding protector convenient to replace and maintain comprises a protector body, a fixed seat, a first connecting spring and an assembling plate, wherein the assembling plate is installed on the fixed seat through the first connecting spring, an embedded groove is vertically formed in the assembling plate, a through hole transversely penetrating through the embedded groove is formed in the assembling plate, a buckle device is embedded in the embedded groove and consists of a cylinder body, an installation seat, a spring connecting seat, a second connecting spring, a sliding block and a conical clamping block, a rod passing hole coaxially arranged with the through hole is formed in the cylinder body, the installation seat is fixedly connected to the top end of the cylinder body, the spring connecting seat, the second connecting spring, the sliding block and the conical clamping block are respectively provided with two spring connecting seats, the two spring connecting seats are respectively installed at the top end and the bottom end of an inner cavity of the cylinder body, and the two sliding blocks are respectively and vertically and symmetrically installed on the two spring connecting seats through, the slide block is in sliding fit with the inner wall of the barrel, the two conical fixture blocks are symmetrically arranged at one end of the two slide blocks away from the second connecting spring which is correspondingly connected, the conical ends of the two conical fixture blocks are arranged in the rod holes, the protector body is provided with an assembly rod piece which is matched with the through hole and the rod holes, the assembly rod piece is composed of a connecting rod part and a conical connecting rod head connected to the connecting rod part, and the connecting rod part is provided with a conical groove matched with the conical fixture blocks in a buckled mode.

As a preferred technical scheme of the utility model, the fixing base is through first fixing bolt fixed mounting on the assembly boxboard.

As a preferred technical scheme of the utility model, the mount pad passes through second fixing bolt fixed mounting on the assembly plate, be equipped with the mounting hole with second fixing bolt looks adaptation on the mount pad.

As the utility model discloses a preferred technical scheme, the inlay groove is provided with two at least, and a plurality of inlay grooves correspond the assembly plate and set up for central symmetry from top to bottom.

As a preferred technical scheme of the utility model, connecting rod portion is circular pole, the toper fixture block is not receiving connecting rod portion extruded state under, and distance length between two toper fixture blocks is less than the diameter length of connecting rod portion.

(III) advantageous effects

Compared with the prior art, the utility model provides a neutral point earth connection protector convenient to change and maintain possesses following beneficial effect:

this neutral point earth protector convenient to change and maintain through fixing base, first connecting spring, assembly plate, buckle device and assembly member component earth protector's but modular plug structure, abandons traditional bolt-up's mode, makes to change and overhauls to maintain more convenient, and simple structure, practicality, and the reliability is high, satisfies quick plug demand.

Drawings

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

fig. 2 is a schematic view of a connection structure between the protector body and the assembling rod of the present invention;

fig. 3 is a schematic structural view of the middle buckle device of the present invention.

In the figure: 1. a protector body; 2. a fixed seat; 3. a first connecting spring; 4. assembling a plate; 401. embedding a groove; 402. a through hole; 5. a buckle device; 501. a barrel; 5011. a rod passing hole; 502. a mounting seat; 503. a spring connecting seat; 504. a second connecting spring; 505. a slider; 506. a conical fixture block; 6. assembling a rod piece; 601. a connecting rod part; 602. a tapered connection rod head; 7. a tapered groove; 8. a first fixing bolt; 9. a boxboard; 10. and a second fixing bolt.

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.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a neutral point earth protector convenient to change and maintain, including protector body 1, fixing base 2, first connecting spring 3 and assembly plate 4, assembly plate 4 installs on fixing base 2 through first connecting spring 3, be equipped with inlay groove 401 on assembly plate 4 perpendicularly, be equipped with the through-hole 402 that transversely runs through inlay groove 401 on assembly plate 4, inlay the inside of inlay groove 401 and be equipped with buckle device 5, buckle device 5 comprises barrel 501, mount pad 502, spring coupling seat 503, second connecting spring 504, slider 505 and tapered fixture block 506, the inside of barrel 501 is equipped with the pole-passing hole 5011 with through-hole 402 coaxial setting, mount pad 502 is fixed connection in the top of barrel 501, spring coupling seat 503, second connecting spring 504, slider 505 and tapered fixture block 506 are provided with two respectively, two spring coupling seats 503 are installed respectively in the inner chamber top and the bottom of barrel 501, two sliders 505 are installed respectively in upper and lower symmetry in two spring coupling seats 503 through a second connecting spring 504 from top to bottom The upper sliding block 505 is in sliding fit with the inner wall of the cylinder 501, the two tapered clamping blocks 506 are vertically and symmetrically arranged at one end of the two sliding blocks 505 far away from the second connecting spring 504 which is correspondingly connected, the tapered ends of the two tapered clamping blocks 506 are arranged in the through rod hole 5011, the protector body 1 is provided with an assembling rod piece 6 which is matched with the through hole 402 and the through rod hole 5011, the assembling rod piece 6 consists of a connecting rod part 601 and a tapered connecting rod head 602 connected to the connecting rod part 601, and the connecting rod part 601 is provided with a tapered groove 7 which is matched with the tapered clamping blocks 506 in a buckling manner.

Specifically, the fixing seat 2 is fixedly installed on the assembling box plate 9 through a first fixing bolt 8.

In this embodiment, adopt the mode of bolt fastening to make the assembly of fixing base 2 more convenient, and connect more firmly.

Specifically, the mounting seat 502 is fixedly mounted on the mounting plate 4 through the second fixing bolt 10, and the mounting seat 502 is provided with a mounting hole adapted to the second fixing bolt 10.

In this embodiment, the mode of adopting the bolt fastening makes the assembly of buckle device 5 more convenient, and connects more firmly.

Specifically, at least two embedded grooves 401 are provided, and a plurality of embedded grooves 401 are arranged in an up-down central symmetry manner corresponding to the assembly plate 4.

In this embodiment, the insert groove 401 adopts a central symmetry structure, and the protector body 1 is assembled by at least two vertically symmetrical buckle devices 5, so that the connection structure is more stable.

Specifically, the connecting rod portion 601 is a circular rod, and the distance between two tapered catches 506 is less than the diameter of the connecting rod portion 601 when the tapered catches 506 are not pressed by the connecting rod portion 601.

In this embodiment, the above-mentioned structure setting can utilize elasticity of second connecting spring 504 and the lock cooperation of tapered fixture block 506 and tapered groove 7 on assembly member 6 when dismouting protector body 1, realizes the quick assembly disassembly of protector body 1, is convenient for change and maintain protector body 1.

The utility model discloses a theory of operation and use flow: during installation, firstly, the fixed seat 2 is fixedly installed on the box plate 9 through the first fixing bolt 8, then the fastening device 5 is fastened on the assembling plate 4 through the second fixing bolt 10, so that the assembling rod piece 6 on the protector body 1 corresponds to the through hole 402 in a front-back mode, the assembling rod piece 6 is inserted into the through hole 402, in the inserting process, the conical connecting rod head 602 extrudes the conical fixture block 506, the conical fixture block 506 slides in the cylinder 501 in the direction opposite to the conical connecting rod head 602 through the sliding block 505, the second connecting spring 504 is compressed in the sliding process of the conical fixture block 506, when the conical groove 7 is pushed into the inner cavity of the cylinder 501, the second connecting spring 504 recovers after external force is removed, so that the conical fixture block 506 is fastened in the conical groove 7, and the rapid assembly of the protector body 1 is realized; when the protector body 1 needs to be replaced or maintained, the assembling rod 6 on the protector body 1 only needs to be radially moved away from the through hole 402, that is, the assembling rod 6 is radially pulled out, so that the tapered fixture block 506 compresses the second connecting spring 504, and the protector body 1 can be quickly detached.

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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a neutral point earth protector convenient to change and maintain, includes protector body (1), fixing base (2), first connecting spring (3) and mounting plate (4), its characterized in that: the assembling plate (4) is installed on the fixed seat (2) through the first connecting spring (3), the assembling plate (4) is vertically provided with an embedded groove (401), the assembling plate (4) is provided with a through hole (402) transversely penetrating through the embedded groove (401), a buckling device (5) is embedded in the embedded groove (401), the buckling device (5) consists of a cylinder body (501), an installation seat (502), a spring connecting seat (503), a second connecting spring (504), a sliding block (505) and a conical clamping block (506), a rod passing hole (5011) coaxial with the through hole (402) is formed in the cylinder body (501), the installation seat (502) is fixedly connected to the top end of the cylinder body (501), the spring connecting seat (503), the second connecting spring (504), the sliding block (505) and the conical clamping block (506) are respectively provided with two, and the two spring connecting seats (503) are respectively installed at the top end and the bottom end of an inner cavity of the cylinder body (501), two sliders (505) are respectively and symmetrically installed on two spring connecting seats (503) through a second connecting spring (504) up and down, the sliders (505) are in sliding fit with the inner wall of the barrel body (501), two conical fixture blocks (506) are installed at one end, far away from the second connecting spring (504) of corresponding connection, of the two sliders (505) in up-down symmetry, the conical ends of the two conical fixture blocks (506) are arranged in the rod passing hole (5011), an assembling rod piece (6) matched with the through hole (402) and the rod passing hole (5011) is arranged on the protector body (1), the assembling rod piece (6) consists of a connecting rod portion (601) and a conical connecting rod head (602) connected to the connecting rod portion (601), and a conical groove (7) matched with the conical fixture blocks (506) in a buckling mode is formed in the connecting rod portion (601).

2. A neutral grounding protector for facilitating replacement and maintenance in accordance with claim 1, wherein: the fixing seat (2) is fixedly arranged on the assembly box plate (9) through a first fixing bolt (8).

3. A neutral grounding protector for facilitating replacement and maintenance in accordance with claim 1, wherein: the mounting seat (502) is fixedly mounted on the assembling plate (4) through a second fixing bolt (10), and a mounting hole matched with the second fixing bolt (10) is formed in the mounting seat (502).

4. A neutral grounding protector for facilitating replacement and maintenance in accordance with claim 1, wherein: the number of the embedded grooves (401) is at least two, and the embedded grooves (401) are arranged in a vertically central symmetry mode corresponding to the assembling plates (4).

5. A neutral grounding protector for facilitating replacement and maintenance in accordance with claim 1, wherein: the connecting rod part (601) is a circular rod, and the distance between the two conical fixture blocks (506) is less than the diameter of the connecting rod part (601) when the conical fixture blocks (506) are not extruded by the connecting rod part (601).