CN217135147U

CN217135147U - Three-phase combined overvoltage protector

Info

Publication number: CN217135147U
Application number: CN202220092263.XU
Authority: CN
Inventors: 陈秀芳; 胡家国
Original assignee: Jurong Huarong Electric Appliance Co ltd
Current assignee: Jurong Huarong Electric Appliance Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-08-05
Anticipated expiration: 2032-01-13

Abstract

The utility model belongs to the technical field of power grid overvoltage protection, especially, be a three-phase modular overvoltage protection device, including protector main part, mount pad and base, the protector main part is provided with threely, and three protector main part evenly inserts side by side and locates on the mount pad, the symmetry is equipped with the inner groovy on the lateral wall about the mount pad, the tank bottom of inner groovy is equipped with the limiting plate, limiting plate fixed mounting is on the cell wall that the mount pad corresponds the inner groovy. The utility model discloses a combination setting of inner groovy, limiting plate, vertical axis, rubber spring, shell fragment and base when the regulator cubicle produces vibrations, utilizes rubber spring deformation to absorb impact and vibration, utilizes the elastic deformation energy-absorbing characteristic of shell fragment to carry out further shock attenuation simultaneously, makes the shock attenuation effect better, has the characteristics that the resonance field is little, makes three-phase combination formula overvoltage protector work more steady, satisfies the device installation demand under the different environment.

Description

Three-phase combined overvoltage protector

Technical Field

The utility model relates to an electric power electric wire netting overvoltage protection technical field specifically is a three-phase combination formula overvoltage protection device.

Background

The three-phase combined overvoltage protector is a new type overvoltage protector, mainly used in the power grid of power generation, power supply and power utilization enterprises. The protective circuit is used for protecting electrical equipment such as transformers, switches, buses, motors and the like, can limit atmospheric overvoltage and operation overvoltage caused by various switches, and can play a reliable role in limiting interphase and relative ground overvoltage.

However, the existing three-phase combined overvoltage protector generally has the defect of poor shock resistance, the existing three-phase combined overvoltage protector is usually directly fixed on the installation part of the electrical cabinet by a bottom installation seat through bolts, and the device cannot meet the installation requirement due to poor working stability and short service life caused by vibration factors.

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 three-phase combination formula overvoltage protector has solved the relatively poor defect of current three-phase combination formula overvoltage protector ubiquitous shock resistance, and current three-phase combination formula overvoltage protector is direct through the bolt with its bottom mount pad snap-on the installation department of regulator cubicle usually, because its job stabilization nature that the vibrations factor leads to is relatively poor, and life is shorter, can not satisfy the problem of device installation demand.

(II) technical scheme

In order to achieve the above purpose, the utility model provides a following technical scheme: a three-phase combined overvoltage protector comprises protector main bodies, a mounting seat and a base, wherein three protector main bodies are arranged, the three protector main bodies are evenly inserted on the mounting seat side by side, inner grooves are symmetrically arranged on the left side wall and the right side wall of the mounting seat, limiting plates are arranged at the bottoms of the inner grooves, the limiting plates are fixedly arranged on the groove walls of the mounting seat corresponding to the inner grooves, through holes communicated with the inner grooves are formed in the limiting plates, vertical shafts are radially inserted in the vertical direction through the through holes and the inner grooves, rubber springs are sleeved on the outer surfaces of the inner parts of the inner grooves corresponding to the vertical shafts, shaft holes are formed in the mounting seat right above the through holes, shaft sleeves are arranged in the shaft holes, the vertical shafts are inserted and extend into the shaft sleeves, the vertical shafts are in sliding fit with the shaft sleeves, elastic pieces are arranged right below the tops of the base corresponding to the inner grooves, the bottom end of the vertical shaft is vertically connected to the top of the elastic sheet, and the elastic sheet is fixedly installed on the top of the base through a fixing bolt.

As an optimal technical scheme of the utility model, mount pad and base are the rectangle structure, the size of base is greater than the size of mount pad, the four corners department of base is equipped with an pilot hole respectively.

As a preferred technical scheme of the utility model, the shaft part surface that the vertical axis corresponds the inner groovy is equipped with the joint ring, rubber spring's inside is equipped with and encircles joint complex joint groove with the joint.

As an optimal technical scheme of the utility model, the shell fragment includes bottom plate, slant loading board and roof, parallel arrangement about roof and the bottom plate, connect through the slant loading board between the syntropy tip of roof and bottom plate, the top of roof is equipped with the hub connection seat that is used for connecting the vertical axis.

As an optimal technical scheme of the utility model, be equipped with the mounting hole with fixing bolt looks adaptation on the bottom plate, the quantity of mounting hole is two.

(III) advantageous effects

Compared with the prior art, the utility model provides a three-phase combination formula overvoltage protector possesses following beneficial effect:

this three-phase combination formula overvoltage protector sets up through the combination of inner groovy, limiting plate, vertical axis, rubber spring, shell fragment and base, when the regulator cubicle produced vibrations, utilizes rubber spring deformation to absorb impact and vibration, utilizes the elastic deformation energy-absorbing characteristic of shell fragment to carry out further shock attenuation simultaneously, makes the shock attenuation effect better, has the characteristics that the resonance field is little, makes three-phase combination formula overvoltage protector work more steady, satisfies the device installation demand under the different environment.

Drawings

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

FIG. 2 is a partial cross-sectional view of the mounting base of the present invention corresponding to the vertical shaft;

fig. 3 is a schematic structural view of the middle spring piece of the present invention.

In the figure: 1. a protector main body; 2. a mounting seat; 3. a base; 4. an inner groove; 5. a limiting plate; 6. a through hole; 7. a vertical axis; 8. a rubber spring; 9. a shaft hole; 10. a shaft sleeve; 11. a spring plate; 1101. a base plate; 1102. an inclined bearing plate; 1103. a top plate; 1104. a shaft connecting seat; 12. fixing the bolt; 13. an assembly hole; 14. a snap ring; 15. a clamping groove; 16. and (7) installing holes.

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: a three-phase combined overvoltage protector comprises a protector main body 1, a mounting seat 2 and a base 3, wherein the protector main body 1 is provided with three parts, the three protector main bodies 1 are evenly inserted on the mounting seat 2 side by side, inner grooves 4 are symmetrically arranged on the left side wall and the right side wall of the mounting seat 2, a limiting plate 5 is arranged at the bottom of each inner groove 4, the limiting plate 5 is fixedly arranged on the wall of the mounting seat 2 corresponding to each inner groove 4, through holes 6 communicated with the inner grooves 4 are formed in the limiting plate 5, vertical shafts 7 are radially inserted into the through holes 6 and the inner grooves 4 in the vertical direction, rubber springs 8 are sleeved on the outer surfaces of the inner parts of the inner grooves 4 corresponding to the vertical shafts 7, shaft holes 9 are formed in the mounting seat 2 and are right above the through holes 6, shaft sleeves 10 are arranged in the shaft holes 9, the vertical shafts 7 are inserted into and extend into the shaft sleeves 10, the vertical shafts 7 are in sliding fit with the shaft sleeves 10, elastic pieces 11 are arranged right below the tops of the bases 3 corresponding to the inner grooves 4, the bottom end of the vertical shaft 7 is vertically connected to the top of the elastic sheet 11, and the elastic sheet 11 is fixedly arranged at the top of the base 3 through a fixing bolt 12.

Specifically, mount pad 2 and base 3 are the rectangle structure, and the size of base 3 is greater than the size of mount pad 2, and the four corners department of base 3 is equipped with an pilot hole 13 respectively.

In this embodiment, because the size of base 3 is greater than the size of mount pad 2, compare the mounting means of traditional mount pad 2 direct mount, can increase with the area of contact of installation position, stability is higher, during the assembly, can realize three-phase combination formula overvoltage protection device's fixed operation through this pilot hole 13 of bolt interlude with pilot hole 13 looks adaptation.

Specifically, the outer surface of the shaft section of the vertical shaft 7 corresponding to the inner groove 4 is provided with a clamping ring 14, and the inside of the rubber spring 8 is provided with a clamping groove 15 which is clamped and matched with the clamping ring 14.

In this embodiment, through set up joint ring 14 on vertical axis 7, joint groove 15 in the cooperation rubber spring 8 can make rubber spring 8 stably cup joint on vertical axis 7, and rubber spring 8 takes place relative slip with vertical axis 7 when preventing to shake.

Specifically, the striking plate 11 comprises a bottom plate 1101, an inclined bearing plate 1102 and a top plate 1103, the top plate 1103 and the bottom plate 1101 are arranged in an up-and-down parallel manner, the ends of the top plate 1103 and the bottom plate 1101 in the same direction are connected through the inclined bearing plate 1102, and the top of the top plate 1103 is provided with a shaft connecting seat 1104 for connecting a vertical shaft 7.

In this embodiment, base 3 is connected with vertical axis 7 through shell fragment 11, utilizes the elasticity of shell fragment 11 can provide the buffering for mount pad 2 and protector main part 1 on it, and the roof 1103 exerts pressure when 7 atress pushes down, and roof 1103 pushes down and exerts pressure and make it take place deformation for slant loading board 1102, and slant loading board 1102 shakes the absorption at the in-process that takes place deformation, makes three-phase combination formula overvoltage protector have good shock resistance.

Specifically, the bottom plate 1101 is provided with two mounting holes 16 adapted to the fixing bolts 12.

In this embodiment, two mounting holes 16 are formed in the bottom plate 1101, and the fixing bolt 12 adapted to the mounting holes 16 is inserted into the mounting holes 16 during mounting, so that the fixing operation of the elastic sheet 11 can be completed.

The utility model discloses a theory of operation and use flow: during assembly, the vertical shaft 7 sleeved with the rubber spring 8 is inserted into the shaft sleeve 10 in the shaft hole 9, then the limiting plate 5 is sleeved on the vertical shaft 7, the limiting plate 5 is fixed at the bottom of the inner groove 4, the elastic sheet 11 is connected to the bottom end of the vertical shaft 7, and finally the elastic sheet 11 is fixedly installed on the base 3 through the fixing bolt 12, so that the assembly operation of the three-phase combined overvoltage protector is completed; in the use, when three-phase combination formula overvoltage protector produces vibrations, mount pad 2 applys pressure to rubber spring 8, through 8 deformation absorption impact and vibrations of rubber spring, reach absorbing purpose, simultaneously, mount pad 2 is applyed and is conducted to shell fragment 11 on the power of erecting axle 7, make shell fragment 11 take place elastic deformation, utilize the elastic deformation energy-absorbing characteristic of shell fragment 11 to carry out further shock attenuation, the shock attenuation effect is better, the resonance field is little, make three-phase combination formula overvoltage protector work more steady.

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 three-phase combination formula overvoltage protector, includes protector main part (1), mount pad (2) and base (3), its characterized in that: the protector comprises a protector body (1), wherein the protector body (1) is three, the three protector body (1) is parallelly and uniformly inserted on a mounting seat (2), inner grooves (4) are symmetrically arranged on the left side wall and the right side wall of the mounting seat (2), limiting plates (5) are arranged at the bottoms of the inner grooves (4), the limiting plates (5) are fixedly arranged on the groove walls of the mounting seat (2) corresponding to the inner grooves (4), through holes (6) communicated with the inner grooves (4) are formed in the limiting plates (5), vertical shafts (7) are radially inserted into the through holes (6) and the inner grooves (4) in the vertical direction, rubber springs (8) are sleeved on the outer surfaces of the inner grooves (4) corresponding to the vertical shafts (7), a shaft hole (9) is arranged right above the through holes (6) in the mounting seat (2), and a shaft sleeve (10) is arranged in the shaft hole (9), the vertical shaft (7) penetrates and extends to the inside of the shaft sleeve (10), the vertical shaft (7) is in sliding fit with the shaft sleeve (10), an elastic sheet (11) is arranged under the top of the base (3) corresponding to the inner groove (4), the bottom end of the vertical shaft (7) is vertically connected to the top of the elastic sheet (11), and the elastic sheet (11) is fixedly installed at the top of the base (3) through a fixing bolt (12).

2. A three-phase combination overvoltage protector according to claim 1 wherein: mount pad (2) and base (3) are the rectangle structure, the size of base (3) is greater than the size of mount pad (2), the four corners department of base (3) is equipped with one pilot hole (13) respectively.

3. A three-phase combination overvoltage protector according to claim 1 wherein: the shaft section outer surface of the vertical shaft (7) corresponding to the inner groove (4) is provided with a clamping ring (14), and the inside of the rubber spring (8) is provided with a clamping groove (15) clamped and matched with the clamping ring (14).

4. A three-phase combination overvoltage protector according to claim 1 wherein: the elastic sheet (11) comprises a bottom plate (1101), an inclined bearing plate (1102) and a top plate (1103), the top plate (1103) and the bottom plate (1101) are arranged in an up-and-down parallel mode, the ends of the top plate (1103) and the bottom plate (1101) in the same direction are connected through the inclined bearing plate (1102), and an axis connecting seat (1104) used for connecting a vertical axis (7) is arranged at the top of the top plate (1103).

5. A three-phase combination overvoltage protector according to claim 4 wherein: the bottom plate (1101) is provided with mounting holes (16) matched with the fixing bolts (12), and the number of the mounting holes (16) is two.