阅读说明：本技术 一种电力配电断路器 (Electric power distribution circuit breaker ) 是由 黄曼婷 于 2021-07-16 设计创作，主要内容包括：本发明公开了一种电力配电断路器,其结构包括闸刀、扳架、扳块、防护箱,闸刀下端活动卡合于防护箱上端,扳架下端铆合连接于扳块上端,扳块下端与闸刀上端相连接,将底座固定后,电线与底座进行连接,推动扳架带动扳块,扳块带动闸刀卡入保护装置之间,使保护装置推动推板,推板抵住固定装置与顶架,使顶圈内的顶条被推板挤压,顶条抵住连接块与顶槽,使支撑条推动卡条抵住导槽与顶杆进行支撑,使连接板推动卡口,卡口紧贴卡杆外侧的抵块与抵圈前端的抵环进行固定,使推板对顶柱外侧的弧板与支撑柱内侧的连接杆进行挤压保持稳定,防止铜片向外扩张发生变形,导致闸刀无法稳定的固定在阀门内,造成电源在传输的过程中无法保持稳定状态。(The invention discloses an electric power distribution circuit breaker, which structurally comprises a switch blade, a pulling frame, a pulling block and a protective box, wherein the lower end of the switch blade is movably clamped at the upper end of the protective box, the lower end of the pulling frame is connected with the upper end of the pulling block in a riveting manner, the lower end of the pulling block is connected with the upper end of the switch blade, after a base is fixed, an electric wire is connected with the base, the pulling frame is pushed to drive the pulling block, the pulling block drives the switch blade to be clamped between protective devices, the protective devices push a pushing plate, the pushing plate pushes against a fixing device and a top frame, a top strip in a top ring is extruded by the pushing plate, the top strip pushes against a connecting block and a top groove, a supporting strip pushes against a guide groove and a top rod to support, a connecting plate pushes against a bayonet, a pushing block outside the bayonet is tightly attached to a pushing block outside the clamping rod and a pushing ring at the front end of the pushing ring are fixed, the pushing plate pushes an arc plate outside the top column and the connecting rod inside the supporting column to keep stable, and prevents a copper sheet from expanding outwards and deforming, the knife switch can not be stably fixed in the valve, and the power supply can not keep a stable state in the transmission process.)

1. The structure of the electric power distribution circuit breaker comprises a base (1), a switch (2), a pulling frame (3), a pulling block (4) and a protective box (5), wherein the upper end of the base (1) is fixedly connected to the lower end of the protective box (5), the lower end of the switch (2) is movably clamped at the upper end of the protective box (5), the lower end of the pulling frame (3) is connected to the upper end of the pulling block (4) in a riveting mode, and the lower end of the pulling block (4) is connected with the upper end of the switch (2); the method is characterized in that:

be equipped with fixed frame (51), backup pad (52), fixing device (53), protection device (54), push pedal (55), roof-rack (56) in protective housing (5), fixed frame (51) inboard welds mutually with backup pad (52) outside, fixing device (53) outside is connected with fixed frame (51) inboard, protection device (54) outside and push pedal (55) inboard riveting mutually, the push pedal (55) outside is fixed mutually with backup pad (52) inboard, roof-rack (56) outside is inlayed admittedly in fixed frame (51) inboard.

2. An electric power distribution circuit breaker as claimed in claim 1, wherein: the fixing device (53) is internally provided with a top ring (531), a supporting column (532), a connecting rod (533), a supporting block (534), an arc plate (535) and a top column (536), the inner side of the top ring (531) is riveted with the outer side of the supporting block (354), the outer side of the supporting column (532) is fixed with the inner side of the supporting block (354), the connecting rod (533) is arranged between the arc plates (535) for supporting and matching, and the outer side of the top column (536) is fixedly connected to the inner side of the supporting block (534).

3. An electric power distribution circuit breaker as claimed in claim 2, wherein: be equipped with roof (a1), support circle (a2), kelly (a3), support piece (a4), support ring (a5), rand (a6) in top circle (531), roof (a1) rear end and support ring (a5) front end riveting, support ring (a2) front end and support ring (a5) rear end laminating, kelly (a3) are located and are carried out fixed fit between supporting the piece (a4), support piece (a4) inboard and roof (a1) outside clearance fit, rand (a6) outside welded connection is in supporting circle (a2) inboard.

4. An electric power distribution circuit breaker as claimed in claim 3, wherein: be equipped with in roof (a1) and push up piece (a11), guide slot (a12), bayonet socket (a13), ejector pin (a14), connecting plate (a15), push up piece (a11) lower extreme is inlayed and is fixed in ejector pin (a14) upper end, guide slot (a12) front end and top piece (a11) rear end laminating, bayonet socket (a13) and connecting plate (a15) structure as an organic whole, the ejector pin (a14) outside is fixed in connecting plate (a15) inboard, connecting plate (a15) inboard and guide slot (a12) outside clearance fit.

5. An electric power distribution circuit breaker as claimed in claim 4, wherein: be equipped with in top piece (a11) and push up strip (b1), connecting block (b2), top groove (b3), card strip (b4), support bar (b5), top strip (b1) lower extreme is inlayed and is connected in connecting block (b2) upper end, top groove (b3) front end and top strip (b1) rear end laminating, card strip (b4) upper end is connected with support bar (b5) lower extreme, support bar (b5) upper end is fixed mutually with connecting block (b2) lower extreme.

6. An electric power distribution circuit breaker as claimed in claim 1, wherein: be equipped with clamp plate (541), expansion plate (542), draw-in groove (543), connecting strip (544), support strip (545), splint (546) in protection device (54), clamp plate (541) rear end is inlayed and is fixed in draw-in groove (543) front end, the expansion plate (542) outside and connecting strip (544) inboard looks block, the draw-in groove (543) outside is fixed mutually with splint (546) inboard, connecting strip (544) outside and support strip (545) inboard and weld mutually.

7. An electric power distribution circuit breaker as claimed in claim 6, wherein: a pressing block (c1), a clamping angle (c2), a clamping block (c3), a fixing strip (c4) and a fixing column (c5) are arranged in the pressing plate (541), the outer side of the pressing block (c1) is in threaded connection with the inner side of the fixing column (c5), the clamping angle (c2) is arranged on the outer side of the fixing strip (c4) to be in connection and matching, and the outer side of the clamping block (c3) is fixedly connected to the inner side of the fixing strip (c 4).

8. An electric power distribution circuit breaker as claimed in claim 7, wherein: be equipped with layering (c11), interface (c12), connecting groove (c13), arc (c14), arc piece (c15) in briquetting (c1), layering (c11) outside riveting is connected in connecting groove (c13) inboard, the cooperation is connected in arc (c14) outside is located in interface (c12), connecting groove (c13) and arc piece (c15) structure as an organic whole, arc (c14) outside is embedded to be fixed and is connected in arc piece (c15) inboard.

Technical Field

The invention belongs to the technical field of power distribution and power utilization, and particularly relates to a power distribution circuit breaker.

Background

The electric power distribution circuit breaker is an electric power protection device composed of a valve, a furnace wire and a switch blade, when a load voltage is met, the switch blade on the inner side of the valve is extruded and bounced by an elastic block, and the switch blade is separated from the valve to carry out power supply disconnection, so that electric power safety is protected.

Based on the above description, the inventor finds that the existing power distribution circuit breaker mainly has the following defects, such as: after the plug-in strip constantly carries out the contact extrusion with the inboard copper sheet of valve, the copper sheet surface rubs with the valve and forms the copper powder, and the copper powder adsorbs on the copper sheet along with voltage, makes area of contact between plug-in strip and the copper sheet diminish gradually, and when plug-in strip and valve carried out the block and is connected, the copper sheet extrudeed the expansion to the outside gradually and takes place deformation, leads to the unable stable fixing of plug-in strip in the valve, causes the unable steady state that keeps of power at the in-process of transmission.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an electric power distribution circuit breaker to solve the problems in the prior art.

The technical scheme adopted by the invention for realizing the technical purpose is as follows: the electric power distribution circuit breaker structurally comprises a base, a switch blade, a pulling frame, a pulling block and a protection box, wherein the upper end of the base is fixedly connected to the lower end of the protection box, the lower end of the switch blade is movably clamped to the upper end of the protection box, the lower end of the pulling frame is connected to the upper end of the pulling block in a riveting mode, and the lower end of the pulling block is connected with the upper end of the switch blade.

As a further improvement of the invention, a fixed frame, a support plate, a fixing device, a protection device, a push plate and a top frame are arranged in the protection box, the inner side of the fixed frame is welded with the outer side of the support plate, the outer side of the fixing device is connected with the inner side of the fixed frame, the outer side of the protection device is riveted with the inner side of the push plate, the outer side of the push plate is fixed with the inner side of the support plate, the outer side of the top frame is embedded and fixed on the inner side of the fixed frame, and the six top frames are vertically distributed and respectively distributed at two ends of a line on the push plate.

As a further improvement of the invention, a top ring, support columns, connecting rods, support blocks, arc plates and top columns are arranged in the fixing device, the inner sides of the top rings are riveted with the outer sides of the support blocks, the outer sides of the support columns are fixed with the inner sides of the support blocks, the connecting rods are arranged between the arc plates for supporting and matching, the outer sides of the top columns are fixedly embedded and connected to the inner sides of the support blocks, and five support columns and five connecting rods are arranged and distributed around the top columns.

As a further improvement of the invention, the top ring is internally provided with a top plate, a butting ring, three clamping rods, butting blocks, butting rings and clamping rings, the rear end of the top plate is riveted with the front end of the butting ring, the front end of the butting ring is attached to the rear end of the butting ring, the clamping rods are arranged between the butting blocks for fixed matching, the inner sides of the butting blocks are in clearance fit with the outer sides of the top plate, the outer sides of the clamping rings are welded and connected with the inner sides of the butting rings, and the top plates are distributed around the clamping rings.

As a further improvement of the invention, the top plate is internally provided with a top block, a guide groove, a bayonet, a push rod and a connecting plate, the lower end of the top block is embedded and fixed at the upper end of the push rod, the front end of the guide groove is attached to the rear end of the top block, the bayonet and the connecting plate are of an integrated structure, the outer side of the push rod is fixed at the inner side of the connecting plate, the inner side of the connecting plate is in clearance fit with the outer side of the guide groove, and the guide groove and the push rod are arc-shaped.

As a further improvement of the invention, a top strip, a connecting block, a top groove, a clamping strip and a supporting strip are arranged in the top block, the lower end of the top strip is fixedly embedded and connected with the upper end of the connecting block, the front end of the top groove is attached to the rear end of the top strip, the upper end of the clamping strip is connected with the lower end of the supporting strip, the upper end of the supporting strip is fixed with the lower end of the connecting block, and the top strip is made of rubber and has elasticity.

As a further improvement of the invention, the protection device is internally provided with a pressing plate, an expansion plate, a clamping groove, two connecting strips, two abutting strips and a clamping plate, the rear end of the pressing plate is embedded and fixed at the front end of the clamping groove, the outer side of the expansion plate is clamped with the inner side of the connecting strips, the outer side of the clamping groove is fixed with the inner side of the clamping plate, the outer side of the connecting strips is welded with the inner side of the abutting strips, and the two abutting strips are symmetrically distributed.

As a further improvement of the invention, a pressing block, a clamping angle, a clamping block, a fixing strip and a fixing column are arranged in the pressing plate, the outer side of the pressing block is in threaded connection with the inner side of the fixing column, the clamping angle is arranged on the outer side of the fixing strip for connection and matching, the outer side of the clamping block is fixedly embedded and connected with the inner side of the fixing strip, and two clamping blocks and two fixing columns are arranged and symmetrically distributed.

As a further improvement of the invention, the pressing block is internally provided with two pressing strips, an interface, a connecting groove, an arc strip and an arc block, the outer side of each pressing strip is connected to the inner side of the connecting groove in a riveting manner, the interface is arranged on the outer side of the arc strip for connection and matching, the connecting groove and the arc block are of an integrated structure, the outer side of the arc strip is fixedly embedded and connected to the inner side of the arc block, the two pressing strips are symmetrically distributed, and the pressing strips are made of plastic fibers and have high elasticity and high toughness.

The invention has the beneficial effects that:

1. after fixing the base, the electric wire is connected with the base, promote and pull the frame and drive and pull the piece, pull the piece and drive the plug-in strip card and go into between the protection device, make protection device promote the push pedal, the push pedal supports fixing device and roof-rack, make the top strip in the apical lamella extruded by the push pedal, the top strip supports connecting block and kerve, make the support bar promote the card strip and support guide slot and ejector pin and support, make the connecting plate promote the bayonet socket, the bayonet socket is hugged closely to support the piece in the kelly outside and is fixed with the support ring that supports the circle front end, make the push pedal extrude the connecting rod that keeps stable to the arc board in the apical lamella outside and support column inboard, prevent that the copper sheet from outwards expanding and taking place the deformation, lead to the unable stable fixing in the valve of fixing of plug-in, cause the unable steady state that keeps of power in the in-process of transmission.

2. When the plug-in strip extrudees protection device, the layering contracts, the layering supports the inboard spread groove of arc piece and supports, make the arc strip promote the interface, the interface supports the inboard fixed column of clamp splice, it is inboard with the fixed strip to make the clamp splice fix at card angle, the card angle is hugged closely and is fixed in expansion plate and the inboard draw-in groove of connecting strip, prevent that the direct and push pedal of plug-in strip from contacting and taking place the friction, lead to taking place to warp under the continuous wearing and tearing of plug-in strip, cause the plug-in strip and the copper sheet phenomenon of taking place contact failure.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic diagram of an electrical power distribution circuit breaker according to the present invention;

FIG. 2 is a schematic top view of the protective enclosure of the present invention;

FIG. 3 is a side view of the fixing device of the present invention;

FIG. 4 is a schematic front view of the top ring of the present invention;

FIG. 5 is a front view of the top plate of the present invention;

FIG. 6 is a schematic front view of a top block according to the present invention;

FIG. 7 is a side view of the protective device of the present invention;

FIG. 8 is a front view of the platen of the present invention;

FIG. 9 is a schematic front view of a briquette according to the present invention;

in the figure: base-1, knife-2, pulling frame-3, pulling block-4, protective box-5, fixed frame-51, support plate-52, fixing device-53, protecting device-54, push plate-55, top frame-56, top ring-531, support column-532, connecting rod-533, support block-534, arc plate-535, top column-536, top plate-a 1, abutting ring-a 2, clamping rod-a 3, abutting block-a 4, abutting ring-a 5, clamping ring-a 6, top block-a 11, guide groove-a 12, bayonet-a 13, ejector rod-a 14, connecting plate-a 15, top bar-b 1, connecting block-b 2, top groove-b 3, clamping bar-b 4, support bar-b 5, pressure plate-541, expansion plate-542, expansion plate-b 4, support bar-b 5, pressure plate-541, The clamping groove-543, the connecting strip-544, the abutting strip-545, the clamping plate-546, the pressing block-c 1, the clamping angle-c 2, the clamping block-c 3, the fixing strip-c 4, the fixing column-c 5, the pressing strip-c 11, the connector-c 12, the connecting groove-c 13, the arc strip-c 14 and the arc block-c 15.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example 1

As shown in figures 1 to 6:

the invention provides an electric power distribution circuit breaker, which structurally comprises a base 1, a switch blade 2, a pulling frame 3, a pulling block 4 and a protective box 5, wherein the upper end of the base 1 is fixedly connected to the lower end of the protective box 5, the lower end of the switch blade 2 is movably clamped at the upper end of the protective box 5, the lower end of the pulling frame 3 is riveted and connected to the upper end of the pulling block 4, and the lower end of the pulling block 4 is connected with the upper end of the switch blade 2.

Wherein, be equipped with fixed frame 51, backup pad 52, fixing device 53, protection device 54, push pedal 55, roof-rack 56 in the protective housing 5, the inboard and 52 outside welding of backup pad of fixed frame 51, the fixing device 53 outside is connected with fixed frame 51 is inboard, the protection device 54 outside is riveted with the push pedal 55 is inboard mutually, the push pedal 55 outside is fixed mutually with the backup pad 52 is inboard, the roof-rack 56 outside is inlayed in fixed frame 51 is inboard, roof-rack 56 is equipped with six, is vertical distribution, distributes respectively in push pedal 55 line both ends, makes push pedal 55 extrude the plug-in strip 2 and can remain stable.

The fixing device 53 is provided with a top ring 531, support columns 532, connecting rods 533, support blocks 534, arc plates 535 and top columns 536, the inner sides of the top rings 531 are riveted with the outer sides of the support blocks 354, the outer sides of the support columns 532 are fixed with the inner sides of the support blocks 354, the connecting rods 533 are arranged between the arc plates 535 for supporting and matching, the outer sides of the top columns 536 are fixedly embedded and connected to the inner sides of the support blocks 534, and five support columns 532 and five connecting rods 533 are arranged and distributed around the top columns 536, so that the top rings 531 fix the knife 2.

The top ring 531 is internally provided with three top plates a1, a butting ring a2, a clamping rod a3, a butting block a4, a butting ring a5 and a clamping ring a6, the rear end of the top plate a1 is riveted with the front end of the butting ring a5, the front end of the butting ring a2 is attached to the rear end of the butting ring a5, the clamping rods a3 are arranged between the butting blocks a4 for fixed matching, the inner side of the butting block a4 is in clearance fit with the outer side of the top plate a1, the outer side of the clamping ring a6 is welded and connected to the inner side of the butting ring a2, and the top plates a1 are distributed around the clamping rings a6, so that the top plate pushes the supporting block 534 to move stably.

The top plate a1 is internally provided with a top block a11, a guide groove a12, a bayonet a13, a push rod a14 and a connecting plate a15, the lower end of the top block a11 is embedded and fixed at the upper end of the push rod a14, the front end of the guide groove a12 is attached to the rear end of the top block a11, the bayonet a13 and the connecting plate a15 are of an integrated structure, the outer side of the push rod a14 is fixed on the inner side of the connecting plate a15, the inner side of the connecting plate a15 is in clearance fit with the outer side of the guide groove a12, the guide groove a12 and the push rod a14 are arc-shaped, so that the support block a11 can be pushed to abut against the guide groove a12 for supporting after the support block is pressed by the switch knife 2.

Wherein, be equipped with top strip b1, connecting block b2, top groove b3, card strip b4, support bar b5 in the top piece a11, top strip b1 lower extreme is embedded to be connected in connecting block b2 upper end, top groove b3 front end and the laminating of top strip b1 rear end, card strip b4 upper end is connected with support bar b5 lower extreme, support bar b5 upper end is fixed mutually with connecting block b2 lower extreme, top strip b1 is the rubber material, has elasticity, makes the supporting shoe 534 can contract after extrudeing top strip b 1.

The specific use mode and function of the embodiment are as follows:

in the invention, after the base 1 is fixed, an electric wire is connected with the base 1, the pulling frame 3 is pushed to drive the pulling block 4, the pulling block 4 drives the switch blade 2 to be clamped between the protection devices 54, the protection devices 54 push the pushing plate 55, the pushing plate 55 pushes against the fixing device 53 and the top frame 56, so that the top strip b1 in the top ring a1 is extruded by the pushing plate 55, the top strip b1 pushes against the connecting block b2 and the top groove b3, the supporting strip b5 pushes the clamping strip b4 to push against the guide groove a12 and the ejector rod a14 for supporting, the connecting plate a15 pushes the bayonet a13, the bayonet a13 is tightly attached to the abutting block a4 outside the clamping rod a3 and the abutting ring a5 at the front end of the abutting ring a2 for fixing, so that the pushing plate 55 pushes against the arc plate 535 outside the top post 536 and the connecting rod 533 inside the supporting post 532 for keeping stable, and the copper sheet is prevented from expanding outwards and deforming, which causes the switch blade to be unstably fixed in the valve, and the power supply cannot be kept in the process of transmission.

Example 2

As shown in fig. 7 to 9:

the invention provides an electric power distribution circuit breaker, wherein a pressing plate 541, an expansion plate 542, a clamping groove 543, a connecting strip 544, a resisting strip 545 and a clamping plate 546 are arranged in a protection device 54, the rear end of the pressing plate 541 is embedded and fixed at the front end of the clamping groove 543, the outer side of the expansion plate 542 is clamped with the inner side of the connecting strip 544, the outer side of the clamping groove 543 is fixed with the inner side of the clamping plate 546, the outer side of the connecting strip 544 is welded with the inner side of the resisting strip 545, and the two resisting strips 545 are symmetrically distributed, so that the protection device 54 is fixed on a push plate 55 and keeps stable.

The pressing plate 541 is internally provided with a pressing block c1, a clamping angle c2, a clamping block c3, a fixing strip c4 and a fixing column c5, the outer side of the pressing block c1 is in threaded connection with the inner side of the fixing column c5, the clamping angle c2 is arranged on the outer side of the fixing strip c4 to be in connection and matching, the outer side of the clamping block c3 is fixedly connected with the inner side of the fixing strip c4 in an embedded mode, and the two clamping blocks c3 and the fixing column c5 are symmetrically distributed, so that the pressing block c1 can not incline when pressing the switch blade.

Wherein, be equipped with layering c11, interface c12, connecting groove c13, arc c14, arc piece c15 in the briquetting c1, it is inboard in connecting groove c13 to press strip c11 outside riveting, interface c12 is located the arc c14 outside and is connected the cooperation, connecting groove c13 and arc piece c15 are the integral structure, arc c14 outside is embedded to be connected in arc piece c15 inboard, layering c11 is equipped with two, is the symmetric distribution, and layering c11 is the plastic fiber material, has high elasticity and high toughness, makes layering c11 constantly rub with the brake blade 2 under, can not make the copper piece friction form copper powder.

The specific use mode and function of the embodiment are as follows:

in the invention, when the switch blade 2 extrudes the protection device 54, the pressing strip c11 contracts, the pressing strip c11 supports against the connecting groove c13 on the inner side of the arc block c15, the arc block c14 pushes the interface c12, the interface c12 supports against the fixed column c5 on the inner side of the clamping block c3, the clamping block c3 is fixed on the inner sides of the clamping angle c2 and the fixed strip c4, and the clamping angle c2 is fixed on the clamping groove 543 on the inner sides of the expansion plate 542 and the connecting strip 544 in a close contact manner, so that the phenomenon that the switch blade is deformed due to continuous abrasion caused by the fact that the switch blade is directly contacted with a push plate and poor contact is caused by the fact that the switch blade is contacted with a copper sheet is prevented.

The invention solves the problems in the prior art, and through the mutual combination of the components, the copper sheet is prevented from expanding outwards to deform, so that the switch knife cannot be stably fixed in the valve, the power supply cannot keep a stable state in the transmission process, and the phenomenon that the switch knife deforms under continuous abrasion to cause poor contact between the switch knife and the copper sheet due to the fact that the switch knife is directly contacted with the push plate to generate friction is prevented.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.