CN216119976U

CN216119976U - Arc extinguish chamber convenient to install

Info

Publication number: CN216119976U
Application number: CN202122748749.2U
Authority: CN
Inventors: 张永传
Original assignee: Yueqing Jin'ou Electromechanical Parts Co ltd
Current assignee: Yueqing Jin'ou Electromechanical Parts Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-03-22
Anticipated expiration: 2031-11-10

Abstract

The utility model discloses an arc extinguish chamber convenient to install, which structurally comprises a main board, wherein an exhaust hole is formed in the main board, an assembly board is transversely arranged between the inner walls of the short shaft sides of the exhaust hole, a plurality of assembly parts for installing arc extinguish grid pieces are arranged on the upper end surface of the assembly board at equal intervals, positioning holes are correspondingly formed in the two sides of the main board, which are positioned on the exhaust hole, positioning blocks are arranged in the positioning holes in the two sides in a sliding manner, the upper end of each positioning block is connected with a partition board, the lower end of each positioning block extends out of the positioning hole and is connected with a positioning component, two limiting lugs are arranged on the left side and the right side of each arc extinguish grid piece, and the partition boards on the two sides are provided with limiting holes matched with the limiting lugs in size and quantity.

Description

Arc extinguish chamber convenient to install

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to an arc extinguish chamber convenient to install.

Background

The circuit breaker is when the separating brake, because the contact is from contacting the detached in-process, the clearance between two contacts is from little to big, under the effect of high voltage, the insulating medium in clearance can be punctured by the ionization, form electric arc, electric arc forms the back, the heat of production can further aggravate the medium ionization, enlarge electric arc, make the unable open circuit of circuit breaker, in order to stop this process, when designing the circuit breaker, adorn moving contact and static contact in an arc extinguishing chamber, there are many arc extinguishing bars pieces inside the explosion chamber, firstly, cut apart electric arc, secondly, utilize the high-pressure air current that electric arc high temperature produced, blow out electric arc through the certain passageway spout of explosion chamber.

The existing arc extinguish chamber comprises two arc isolating walls and a plurality of arc extinguish grid pieces arranged between the two arc isolating walls, and the arc extinguish grid pieces and the arc isolating walls are riveted or welded, so that the installation speed of the arc extinguish chamber in the production process is low, and the production efficiency is greatly influenced; meanwhile, when one arc extinguishing grid piece is damaged in the using process, the whole arc extinguishing chamber needs to be replaced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide an arc extinguish chamber convenient to mount so as to solve the technical problem.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an explosion chamber convenient to installation, including the mainboard, the mainboard is seted up exhaust hole and is violently equipped with the assembly panel between the exhaust hole minor axis side inner wall, assembly panel up end equidistance and interval are provided with a plurality of assembly parts that are used for installing the arc extinguishing bars piece, the mainboard is located the both sides correspondence in exhaust hole and has seted up the locating hole, all slide in the locating hole of both sides and be provided with the locating piece, every locating piece upper end all is connected with baffle and locating piece lower extreme and all extends to the locating hole outside and be connected with locating component, the arc extinguishing bars piece left and right sides all is provided with two spacing lugs, spacing hole with spacing lug size quantity adaptation is all seted up to the baffle of both sides.

The scheme has the advantages that: when the arc extinguishing grid is installed, the arc extinguishing grid is preliminarily positioned through the assembly parts, then the positioning blocks on the two sides are controlled to slide along the positioning holes in opposite directions through the positioning assemblies, the limiting lugs on the two sides of the arc extinguishing grid are made to enter the limiting holes correspondingly formed in the partition plates on the two sides, the arc extinguishing grid is further limited in position through the limiting clamping between the limiting holes and the limiting lugs, and the installation convenience and the production efficiency in the production process of the arc extinguishing chamber are effectively improved; on the other hand, when one of the arc extinguishing grid pieces is damaged, only a single arc extinguishing grid piece needs to be dismounted and replaced, the whole arc extinguishing chamber does not need to be replaced, the service life of the product is effectively prolonged, and the use cost is reduced.

The utility model is further configured to: the assembly part includes the mount pad, and the installing opening has been seted up to the mount pad top, and the installing opening interval is provided with two at least buckles with the thickness adaptation of arc extinguishing bars piece and the transversal U type structure of personally submitting of installing opening, and the correspondence of installing opening both sides inner wall is provided with the draw-in groove with buckle size quantity adaptation, and the equal concave draw-in groove that is equipped with in the corresponding position department in arc extinguishing bars piece both sides.

The scheme has the advantages that: the arc extinguishing bars piece is through realizing firm installation between block cooperation and the mount pad between buckle and the draw-in groove, and the quantity of buckle is at least two and then effectively guarantees the block stability between mount pad and the arc extinguishing bars piece.

The utility model is further configured to: the mount pad is the elasticity rubber material, and the buckle is convex hemispherical structure and draw-in groove is the hemispherical structure of indent.

The scheme has the advantages that: the mounting seat is made of elastic rubber materials, so that the arc extinguishing grid pieces can be mounted and dismounted conveniently while the mounting stability of the buckle and the clamping groove is guaranteed.

The utility model is further configured to: the positioning assembly comprises an adjusting box fixedly arranged on the outer wall surface of the assembling plate, through holes are formed in the two sides, close to the positioning blocks, of the adjusting box, a first screw rod and a second screw rod are respectively connected in the two through holes in a rotating mode, and threaded holes which are in threaded connection and matched with the first screw rod or the second screw rod are formed in the positioning blocks on the two sides.

The scheme has the advantages that: the first screw rods and the second screw rods on the two sides are controlled by the adjusting box to rotate, so that the two side partition plates can be controlled to move in opposite directions or deviate from the movement, and convenience in installation of the arc extinguish chamber is effectively improved.

The utility model is further configured to: the inner ends of the first screw and the second screw extend into the adjusting box and are respectively sleeved with a first bevel gear and a second bevel gear, an adjusting hole is formed in one side, away from the assembling plate, of the adjusting box, an adjusting column is connected in the adjusting hole in a rotating mode, the inner end of the adjusting column extends into the adjusting box and is sleeved with a third bevel gear, and the third bevel gear is meshed with the first bevel gear and the second bevel gear.

The scheme has the advantages that: when the screws on the two sides need to be controlled, the adjusting column only needs to be rotated forwards or backwards to drive the third bevel gear to rotate, the third bevel gear is meshed with the first bevel gear and the second bevel gear to further drive the first screw and the second screw to rotate, and the installation efficiency is effectively improved.

The utility model is further configured to: the outer end face of the adjusting column is concavely provided with an insertion hole, the outer ring is sleeved with an adjusting knob, and the insertion hole is one of a triangle, a hexagon, a straight line or a quincunx.

The scheme has the advantages that: the rotation of adjusting the post can adopt manual rotating or appurtenance rotating, effectively improves the simple operation nature.

The utility model is further configured to: the heat dissipation plate is arranged at the corresponding position of the positioning hole in the outer side of the partition plate, the two ends of the heat dissipation plate are fixedly connected with the side wall of the partition plate through the supporting plate, the heat conduction sleeve is arranged at the corresponding position of each positioning hole in the inner wall of the heat dissipation plate, and the accommodating groove matched with the limiting convex block is concavely arranged on the outer end face of the heat conduction sleeve.

The scheme has the advantages that: the arc extinguishing bars conduct high temperature from the limiting convex blocks to the heat conducting sleeve and radiate through the heat radiating plate, and damage of the arc extinguishing bars due to long-time high-temperature state is avoided.

The utility model is further configured to: one side of the heat dissipation plate, which is far away from the jack, is provided with a plurality of heat dissipation convex particles.

The scheme has the advantages that: the radiating convex particles are arranged to effectively improve the radiating performance of the radiating plate.

The utility model is further configured to: all transversely be equipped with the guide post in the locating hole, the locating piece all overlaps outside locating the guide post.

The scheme has the advantages that: the guide columns are arranged to limit the sliding track of the positioning block, so that the positioning block is prevented from deviating in the sliding process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 only 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 perspective view of the present invention;

FIG. 2 is a schematic cross-sectional structural view of the present invention;

FIG. 3 is a schematic structural diagram of a positioning assembly of the present invention;

fig. 4 is a schematic structural diagram of the arc chute in a mounted state.

Reference numerals: 1. a main board; 100. an exhaust hole; 101. assembling a plate; 102. positioning holes; 103. positioning blocks; 104. a partition plate; 105. arc extinguishing grid pieces; 106. a limiting bump; 107. a limiting hole; 108. a guide post; 2. an assembly member; 200. a mounting seat; 201. an installation opening; 202. buckling; 203. a card slot; 3. an adjustment box; 300. a through hole; 301. a first screw; 302. a second screw; 303. a threaded hole; 304. a first bevel gear; 305. a second bevel gear; 306. an adjustment hole; 307. an adjustment column; 308. a third bevel gear; 309. adjusting a knob; 310. a jack; 4. a heat dissipation plate; 400. a support plate; 401. a heat conducting sleeve; 402. a containing groove; 403. and heat dissipation convex particles.

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.

Referring to fig. 1-4, an arc extinguishing chamber convenient to mount according to an embodiment of the present invention includes a main board 1, the main board 1 is provided with an exhaust hole 100, an assembly plate 101 is horizontally disposed between inner walls of short axis sides of the exhaust hole 100, a plurality of assembly parts 2 for mounting an arc extinguishing grid piece 105 are equidistantly and at intervals disposed on an upper end surface of the assembly plate 101, positioning holes 102 are correspondingly disposed on two sides of the main board 1 located on the exhaust hole 100, positioning blocks 103 are slidably disposed in the positioning holes 102 on the two sides, an upper end of each positioning block 103 is connected to a partition plate 104, a lower end of each positioning block 103 extends out of the positioning hole 102 and is connected to a positioning component, two limiting protrusions 106 are disposed on left and right sides of the arc extinguishing grid piece 105, and limiting holes 107 matched with the limiting protrusions 106 in size and number are disposed on the partition plates 104 on the two sides.

When the arc extinguishing grid piece 105 and the assembly part 2 are installed, firstly, the arc extinguishing grid piece 105 is preliminarily positioned through the assembly part 2, at the moment, the distance between the partition plates 104 on the two sides is larger than the distance between the limiting lugs 106 on the two sides of the arc extinguishing grid piece 105 at the same horizontal height, after the arc extinguishing grid piece 105 is installed, the positioning blocks 103 on the two sides are controlled by the positioning assembly to slide oppositely along the positioning holes 102, the partition plates 104 on the two sides are driven to slide oppositely, the limiting lugs 106 on the two sides of the arc extinguishing grid piece 105 are driven to enter the limiting holes 107 correspondingly formed in the partition plates 104 on the two sides until the inner walls of the partition plates 104 on the two sides are tightly attached to the left side and the right side of the arc extinguishing grid piece 105, the arc extinguishing grid piece 105 is further limited in position through the limiting clamp between the limiting holes 107 and the limiting lugs 106, and the assembly of an arc extinguishing chamber is completed; when one arc-extinguishing grid piece 105 is damaged, only a single arc-extinguishing grid piece 105 is needed to be detached and replaced, and the whole arc-extinguishing chamber is not needed to be replaced, so that the service life of the product is effectively prolonged, the use cost is reduced, and the daily maintenance of the arc-extinguishing chamber is facilitated; during the use, install the explosion chamber in corresponding position department, guarantee the quick discharge of metal gas flow through seting up exhaust hole 100, electric arc production and entering arc-extinguishing chamber when the circuit breaker divides the branch, arc is cut off rapidly to a plurality of bars piece 105 that the explosion chamber interval set up, and the arc mouth that draws on the arc-extinguishing bars piece 105 can play the effect of lengthening electric arc simultaneously.

The assembly part 2 comprises an installation seat 200, an installation opening 201 is formed above the installation seat 200, the distance between the installation openings 201 is matched with the thickness of the arc-extinguishing grid piece 105, the cross section of the installation opening 201 is of a U-shaped structure, at least two buckles 202 are correspondingly arranged on the inner walls of two sides of the installation opening 201, and clamping grooves 203 matched with the buckles 202 in size and quantity are concavely formed in the corresponding positions of two sides of the arc-extinguishing grid piece 105; the mounting seat 200 is made of elastic rubber, and the buckle 202 is of a convex hemispherical structure and the clamping groove 203 is of a concave hemispherical structure.

When the installation base is used, when the arc-extinguishing grid plates 105 need to be installed, the arc-extinguishing grid plates 105 are pushed into the installation openings 201 of the installation base 200, the distance between the installation openings 201 is matched with the thickness of the arc-extinguishing grid plates 105, when the arc-extinguishing grid plates 105 are in contact with the buckles 202 on the two sides, the opening ends of the installation openings 201 are expanded, at the moment, the arc-extinguishing grid plates 105 are continuously pushed into the installation openings 201 until the clamping grooves 203 on the two sides of the arc-extinguishing grid plates 105 reach the positions corresponding to the buckles 202 on the inner walls on the two sides of the installation openings 201, at the moment, the installation base 200 is restored to the initial state and the buckles 202 and the clamping grooves 203 are connected in a clamping mode, the installation of the arc-extinguishing grid plates 105 is completed, and the positions of the arc-extinguishing grid plates 105 are preliminarily fixed; the number of the clips 202 is at least two, so as to effectively ensure the clamping stability between the mounting seat 200 and the arc chute 105.

The positioning assembly comprises an adjusting box 3 fixedly arranged on the outer wall surface of the assembling plate 101, through holes 300 are respectively formed in two sides of the adjusting box 3 close to the positioning blocks 103, a first screw 301 and a second screw 302 are respectively connected in the two through holes 300 in a rotating manner, and threaded holes 303 which are in threaded connection and matching with the first screw 301 or the second screw 302 are respectively formed in the positioning blocks 103 on the two sides; the inner ends of the first screw 301 and the second screw 302 extend into the adjusting box 3 and are respectively sleeved with a first bevel gear 304 and a second bevel gear 305, one side of the adjusting box 3, which deviates from the assembling plate 101, is provided with an adjusting hole 306, an adjusting column 307 is rotationally connected in the adjusting hole 306, the inner end of the adjusting column 307 extends into the adjusting box 3 and is sleeved with a third bevel gear 308, and the third bevel gear 308 is meshed with the first bevel gear 304 and the second bevel gear 305.

When the control device is used, when the opposite or deviating motion of the partition plates 104 on the two sides needs to be controlled, the adjusting column 307 is rotated in the forward or reverse direction, the adjusting column 307 rotates to drive the third bevel gear 308 to rotate, the third bevel gear 308 is meshed with the first bevel gear 304 and the second bevel gear 305 to drive the first bevel gear 304 and the second bevel gear 305 to rotate, the first bevel gear 304 drives the first screw 301 to rotate, the second bevel gear 305 drives the second screw 302 to rotate, the first screw 301 and the second screw 302 are respectively in threaded connection with the threaded holes 303 of the positioning blocks 103 on the two sides to be matched with each other to control the positioning blocks 103 on the two sides to move in the opposite direction or deviate from each other, and then the opposite or deviating motion of the partition plates 104 on the two sides is controlled.

The outer end face of the adjusting column 307 is concavely provided with an insertion hole 310, and the outer ring is sleeved with an adjusting knob 309, wherein the insertion hole 310 is one of a triangle, a hexagon, a straight line or a quincunx.

When the tool is used, the adjusting column 307 can be rotated manually or by an auxiliary tool, and the jack 310 is triangular, hexagonal, linear or quincunx and is convenient to match with a standard tool, so that the convenience in operation is improved; the adjusting knob 309 is arranged, so that a worker can conveniently and manually rotate the adjusting column 307, and the assembling efficiency is improved.

The heat dissipation plate 4 is arranged at the position, corresponding to the positioning hole 102, on the outer side of the partition plate 104, the two ends of the heat dissipation plate 4 are fixedly connected with the side wall of the partition plate 104 through the support plate 400, a heat conduction sleeve 401 is arranged at the position, corresponding to each positioning hole 102, on the inner wall of the heat dissipation plate 4, and a containing groove 402 matched with the limiting bump 106 is concavely arranged on the outer end face of the heat conduction sleeve 401.

When the arc-extinguishing grid piece 105 is used, when the partition plate 104 is tightly attached to two sides of the arc-extinguishing grid piece 105, the limiting lug 106 is located in the containing groove 402 of the heat-conducting sleeve 401, high-temperature gas can be generated in an arc-extinguishing process of the arc-extinguishing chamber, the high-temperature gas can cause the temperature of the arc-extinguishing grid piece 105 to rise, the arc-extinguishing grid piece 105 conducts high temperature to the heat-conducting sleeve 401 through the limiting lug 106 and radiates heat through the heat-radiating plate 4, and the arc-extinguishing grid piece 105 is prevented from being damaged due to being in a high-temperature state for a long time.

The side of the heat dissipation plate 4 away from the insertion hole 310 is provided with a plurality of heat dissipation convex particles 403.

When in use, the heat dissipation performance of the heat dissipation plate 4 is effectively improved by arranging the heat dissipation convex particles 403.

The positioning holes 102 are all provided with guide posts 108 horizontally, and the positioning blocks 103 are all sleeved outside the guide posts 108.

When the positioning device is used, the sliding track of the positioning block 103 is limited by arranging the guide column 108, so that the positioning block 103 is prevented from deviating in the sliding process.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. The utility model provides an explosion chamber convenient to installation, including mainboard (1), its characterized in that: exhaust hole (100) and exhaust hole (100) minor axis lateral inner wall are seted up in mainboard (1) and assembly panel (101) are violently equipped with between the hole, assembly panel (101) up end equidistance and interval are provided with a plurality of assembly parts (2) that are used for installing arc extinguishing bars piece (105), locating hole (102), both sides have been seted up in mainboard (1) both sides correspondence that are located exhaust hole (100) all slide in locating hole (102) and are provided with locating piece (103), every locating piece (103) upper end all is connected with baffle (104) and locating piece (103) lower extreme and all extends to locating hole (102) outer and be connected with locating component, arc extinguishing bars piece (105) left and right sides all is provided with two spacing lug (106), both sides baffle (104) all seted up with spacing hole (107) of spacing lug (106) size quantity adaptation.

2. Arc chute to facilitate installation according to claim 1, characterized in that: the assembly part (2) includes mount pad (200), installing opening (201) have been seted up to mount pad (200) top, installing opening (201) interval and the thickness adaptation of arc extinguishing bars piece (105) and the transversal U type structure of personally submitting of installing opening (201), installing opening (201) both sides inner wall correspondence is provided with two at least buckles (202), and arc extinguishing bars piece (105) both sides correspond position department and all concavely be equipped with draw-in groove (203) with buckle (202) size quantity adaptation.

3. Arc chute to facilitate installation according to claim 2, characterized in that: the mounting seat (200) is made of elastic rubber, and the buckle (202) is of a convex hemispherical structure and the clamping groove (203) is of a concave hemispherical structure.

4. Arc chute to facilitate installation according to claim 1, characterized in that: locating component is including fixed setting up in regulation box (3) of assembly plate (101) outer wall face, through-hole (300) have all been seted up, two in regulation box (3) the both sides that are close to locating piece (103) respectively rotate in through-hole (300) and be connected with first screw rod (301) and second screw rod (302), both sides locating piece (103) have all been seted up and have been threaded connection complex screw hole (303) with first screw rod (301) or second screw rod (302).

5. Arc chute to facilitate installation according to claim 4, characterized in that: first screw rod (301) and second screw rod (302) inner all extend to in adjusting box (3) and the cover is equipped with first bevel gear (304) and second bevel gear (305) respectively, adjust one side that box (3) deviates from assembly plate (101) and seted up regulation hole (306), regulation hole (306) internal rotation is connected with regulation post (307), it just overlaps to be equipped with third bevel gear (308) to extend to in adjusting box (3) to adjust post (307) inner, third bevel gear (308) are the meshing cooperation with first bevel gear (304) and second bevel gear (305).

6. Arc chute to facilitate installation according to claim 5, characterized in that: the outer end face of the adjusting column (307) is concavely provided with a jack (310), an adjusting knob (309) is sleeved on the outer ring, and the jack (310) is one of a triangle, a hexagon, a straight line or a quincunx.

7. Arc chute to facilitate installation according to claim 1, characterized in that: the heat dissipation plate (4) is arranged at the position, corresponding to the positioning hole (102), on the outer side of the partition plate (104), the two ends of the heat dissipation plate (4) are fixedly connected with the side wall of the partition plate (104) through the supporting plate (400), the inner wall of the heat dissipation plate (4) is arranged at the position, corresponding to each positioning hole (102), of the corresponding position, a heat conduction sleeve (401) is arranged, and a containing groove (402) matched with the limiting convex block (106) is formed in the outer end face of the heat conduction sleeve (401) in a concave mode.

8. The arc chute of claim 7, easy to install, characterized in that: and a plurality of heat dissipation convex particles (403) are arranged on one side of the heat dissipation plate (4) departing from the jack (310).

9. Arc chute to facilitate installation according to claim 1, characterized in that: all transversely be equipped with guide post (108) in locating hole (102), locating piece (103) all overlap and locate outside guide post (108).