CN115395286A

CN115395286A - Ammeter quick replacement base

Info

Publication number: CN115395286A
Application number: CN202211013932.0A
Authority: CN
Inventors: 张淼; 王丽丽; 陈润生
Original assignee: Phoenix Contact Asia Pacific Nanjing Co Ltd
Current assignee: Phoenix Contact Asia Pacific Nanjing Co Ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2022-11-25
Also published as: WO2024041554A1

Abstract

The invention relates to the technical field of distribution equipment and discloses a quick replacement base for an electric meter. This ammeter quick replacement base includes base and wiring module, is provided with a plurality of mounting grooves on the base, and the wiring module can insert and the joint in the mounting groove from the opening part of mounting groove, and the cylindricality plug upwards stretches out from the hole of dodging of mounting groove. According to the rapid replacing base for the electric meter, the wiring module is in a modularized design, can be installed in the installation groove in an integral assembling mode, and can be applied to manufacturing the rapid replacing base for the electric meter with different numbers of cylindrical plugs; the assembly positioning of wiring module and mounting groove is realized to the simple operation of accessible, further simplifies the installation of ammeter quick replacement base, improves the production efficiency of ammeter quick replacement base.

Description

Ammeter quick replacement base

Technical Field

The invention relates to the technical field of distribution equipment, in particular to a quick replacement base for an electric meter.

Background

The electric meter is a matched device of a power grid and undertakes the tasks of data acquisition and measurement of original electric energy. Traditional ammeter incasement, the ammeter links to each other through setting up the wire in the wiring hole of its bottom and ammeter incasement, during the installation, inserts the wiring hole with the wire after, through the screw with wire and wiring hole fixed connection, this kind of screw fixed connection's wiring mode dismouting process is complicated, work efficiency is low, and the easy pine of wire takes off.

In the prior art, an ammeter plugging device with a cylindrical plug matched with a wiring hole of an ammeter exists, and during installation, the ammeter can be inserted into the ammeter plugging device in a vertical insertion mode, so that the cylindrical plug of the ammeter plugging device is inserted from the wiring hole at the bottom of the ammeter, and the cylindrical plug is electrically connected with the wiring hole, and therefore the ammeter can be quickly replaced.

However, the conventional electric meter plug-in device is manufactured by assembling parts, most parts cannot be applied to manufacturing of electric meter plug-in devices with different numbers of cylindrical plug heads, and the assembly process of the electric meter plug-in device is complex, so that the production efficiency of the electric meter plug-in device is low.

Disclosure of Invention

The invention aims to provide an electric meter quick-changing base to solve the problems that in the manufacturing process of an existing electric meter plugging device, the adaption rate of parts is low, and the assembling process is complex.

In order to achieve the purpose, the invention adopts the following technical scheme:

an electricity meter quick change base comprising:

the base comprises a back plate and a plurality of mounting grooves arranged on the back plate, avoidance holes are formed in the top of the front end of each mounting groove, and first wire inlet holes are formed in the mounting grooves;

the wiring module, the wiring module include the module body and fixed assembly in the cylindricality plug of module body, the module body can be followed the opening part of mounting groove insert and the joint in the mounting groove, set up on the module body with the corresponding second entrance hole in first entrance hole position, the wire can pass first entrance hole with the second entrance hole with the cylindricality plug is connected, the cylindricality plug is followed dodge the hole and upwards stretch out.

Optionally, the mounting groove and/or the back plate is provided with a plurality of clamping holes, the module body is provided with a plurality of clamping blocks, and the module body is clamped in the mounting groove through the clamping holes and the clamping blocks.

Optionally, the cylindrical plug connector is divided into a plurality of elastic insertion pieces by the star-shaped groove, and the insertion ends of the elastic insertion pieces protrude outwards along the circumferential direction to form a protruding portion.

Optionally, the wiring module further comprises an elastic sheet, the elastic sheet is bent integrally, and a bent end of the elastic sheet penetrates through a through hole formed in the other bent end;

a connecting piece is fixed at the bottom end of the cylindrical plug and is inserted into the through hole and clamped between the bending end and the through hole, and the wire can be clamped between the bending end and the connecting piece;

the module body is internally provided with a mounting cavity, and the connecting piece and the elastic piece are inserted into the mounting cavity from an opening formed in the side edge of the mounting cavity.

Optionally, the wiring module further includes a pushing block, the pushing block is inserted into a pushing hole formed in the module body, the bent end without the through hole corresponds to the pushing hole, and the pushing block can push the bent end without the through hole to be away from the connecting sheet.

Optionally, a tool hole into which a sheet pressing tool extends is formed in the module body, the bending end provided with the through hole corresponds to the tool hole, and the sheet pressing tool can push the bending end provided with the through hole to move downwards so that the bottom end of the through hole is far away from the connecting sheet.

Optionally, the wiring module further comprises a crimping frame and a threaded part, the crimping frame is located in a vertical sliding hole formed in the module body, the threaded part is arranged in a positioning hole formed in the bottom of the module body, the threaded part is screwed in a threaded hole formed in the bottom of the crimping frame, and the crimping frame can be driven to lift by screwing the threaded part;

the bottom end of the cylindrical plug is fixed with a connecting sheet, the connecting sheet is inserted in the crimping frame, and the wire can be clamped between the top of the crimping frame and the connecting sheet.

Optionally, the rapid electric meter replacement base further includes an electric meter finger-preventing insulating plate, the electric meter finger-preventing insulating plate includes an insulating plate, the insulating plate is slidably mounted on the back plate, the insulating plate has two positions when sliding up and down, the insulating plate can completely cover the upper side of the cylindrical plug when in position a, and the cylindrical plug can pass through a jack formed in the insulating plate when in position B.

Optionally, the electric meter finger proof insulation plate further comprises:

the two clamping pieces are arranged on two sides of the insulating plate, the clamping pieces are positioned in a secondary limiting groove formed in the back plate, the clamping pieces are not higher than the front surface of the back plate, and limiting holes are formed in the clamping pieces;

the clamping piece is configured in such a way that when the electric meter and the insulating plate move to the position B, two protruding first assembling holes on the back of the electric meter are clamped in the limiting holes, and the clamping piece and the insulating plate can be driven by the protruding first assembling holes to move upwards;

when the clamping piece moves to the top end of the secondary limiting groove, the first protruding assembling hole can be separated from the limiting hole, and the insulating plate can hover at a position A;

the insulation board with be provided with the screens structure between the backplate, the insulation board can pass through the screens structure hovers in position A, just the insulation board can be followed when the ammeter is inserted the screens structure breaks away from.

Optionally, the electric meter finger-preventing insulating plate further comprises a spring, the spring is arranged between the insulating plate and the base, and when the electric meter is not installed, the insulating plate is suspended at a position A under the action of the pushing force or the pulling force of the spring; when the electric meter is installed, the insulating plate is pressed down to a position B by the electric meter; after the electric meter is taken away, the insulating plate is restored to the position A under the action of the pushing force or the pulling force of the spring.

Optionally, the clamping structure includes a third elastic plate, the third elastic plate is formed by a U-shaped groove formed in the back plate, the top end of the third elastic plate is fixed to the back plate, and the bottom of the third elastic plate can swing back and forth along the back plate;

the third elastic plate is provided with an arc-shaped bulge, the bottom end of the third elastic plate is provided with a limiting block, and the limiting block can prevent the insulating plate from moving downwards through clamping;

the limiting block is configured to move backwards to be not higher than the front plane of the back plate when the arc-shaped protrusion and the front plane of the back plate are positioned on the same plane.

Optionally, the insulating plate is provided with a picking piece, the picking piece comprises a cross rod and a vertical rod which are bent in an L shape, a bent end which is bent towards the rear upper side of the back plate is arranged at the top end of the vertical rod, a notch which extends upwards is formed in the bottom end of the third elastic plate, and the picking piece can extend into the notch and slide up and down along the notch;

one side wall of the opening is a wedge-shaped body, one end, located on the back face of the back plate, of the wedge-shaped body inclines into the opening, and when the bending end moves upwards, the bottom end of the wedge-shaped body can be connected with the top face of the bending end and slides forwards to the front side of the vertical rod along the top face of the bending end.

The invention has the beneficial effects that:

1. according to the rapid replacing base for the electric meter, the wiring module is in a modularized design, can be installed in the installation groove in an integral assembling mode, and can be applied to manufacturing the rapid replacing base for the electric meter with different numbers of cylindrical plugs.

2. According to the rapid replacing base for the electric meter, the wiring module and the mounting groove can be assembled and positioned through simple operation, the mounting process of the rapid replacing base for the electric meter is further simplified, and the production efficiency of the rapid replacing base for the electric meter is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of an electricity meter according to the present invention;

FIG. 2 is a schematic view of the overall structure of a quick-change base for an electric meter according to the present invention;

FIG. 3 is a schematic view of a disassembled structure of the interior of a first view angle of a quick change base of an electric meter according to the present invention;

FIG. 4 is a schematic view of a second perspective of a quick change base for an electric meter according to the present invention;

FIG. 5 is an exploded view of a wiring module of the quick change base of an electricity meter according to the present invention;

FIG. 6 is a schematic view of a first perspective view of a wiring module of the quick change base of an electric meter according to the present invention;

FIG. 7 is a schematic view of a second perspective view of a wiring module of the quick change base of an electric meter according to the present invention;

FIG. 8 is an exploded view of another wiring module of the quick change base of the electric meter of the present invention;

FIG. 9 is a schematic view of the overall structure of another wiring module of the quick change base of the electric meter according to the present invention;

FIG. 10 is an exploded view of yet another wiring module of the quick change base of the electric meter according to the present invention;

FIG. 11 is a schematic cross-sectional view of another wiring module of the quick-change base of an electric meter according to the present invention;

FIG. 12 is a schematic view of an overall disassembled structure of a quick change base of an electric meter according to the present invention;

fig. 13 is a schematic diagram of a position structure of a pick-up piece and a notch of the quick-change base of the electric meter provided by the invention;

FIG. 14 is a schematic structural view of the positions of a clamping piece and a primary limit groove of the quick-change base of the electric meter provided by the invention;

FIG. 15 is a schematic view of a card member structure of a quick-change base of an electric meter according to the present invention;

fig. 16 is a schematic view of the overall structure of an insulating plate of the quick change base of the electric meter according to the present invention.

In the figure:

100-a base;

110-a back-plate; 1101-a hook; 11011-a first elastic plate; 11012-stop block; 1102-a guide groove; 112-a second card hole; 113-a second resilient plate; 114-a chute; 115-a third resilient plate; 1151-an arc-shaped protrusion; 1152-a limiting block; 1153-a gap; 116-a primary restraint slot; 117-secondary limiting groove; 1171-a buffer tank; 118-a second assembly aperture;

120-mounting grooves; 121-avoiding hole; 122-a first card hole; 123-a first wire inlet hole;

130-side baffle; 131-a front baffle;

200-a wiring module;

210-a module body; 211-a first cartridge; 212-a second cartridge; 213-mounting cavity; 2131-a first support table; 2132-a second support table; 2133-a slide hole; 2134-clamping plate; 21341-rotating hole; 2135-locating holes; 21351-a snap ring; 214-a thrust hole; 215-a second wire entry hole; 216-a tool hole;

220-cylindrical plug; 2201-boss; 221-a first connection tab; 2211-hook plate; 222-a second connecting piece; 2221-a limit projection; 223-a third connecting sheet;

230-a first spring; 231-a first bending end; 2311-first perforation; 232-a second bending end;

240-push block;

250-a second spring plate; 251-a third bend end; 2511-a second perforation; 252-a fourth bend end;

260-a crimping frame; 261-a threaded hole;

270-a screw;

300-an insulating plate; 301-a top plate; 302-a front plate; 303-side plates; 310-a patch jack; 320-a slide block; 330-picking the piece; 331-a cross bar; 332-a vertical rod; 333-bending end; 340-clamping piece; 341-a limit hole; 342-a first card strip; 343-a second card strip; 350-rib plates; 360-side groove; 370-a support bar;

400-ammeter; 410-wiring holes; 420-hanging holes; 430-first assembly hole; 440-a guide bar;

500-conducting wire.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings, not all of them.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.

This embodiment provides an ammeter quick replacement base to in solving traditional ammeter case, complicated through the screw fixation wire mode of connection, and the problem that the wire takes off easily, and current can supply the ammeter vertical inserting to connect the inserting device to appear in process of production, the ammeter connects the unable general of part of inserting the device, and the assembling process is loaded down with trivial details, problem that packaging efficiency is low.

Fig. 1 is a schematic structural view of an electricity meter according to the present invention, and referring to fig. 1, a plurality of wiring holes 410 are formed at a bottom end of the electricity meter 400, a hanging hole 420 is formed at a top portion of a back surface of the electricity meter 400, first assembly holes 430 protruding outward are formed at both sides of a bottom portion of the back surface of the electricity meter 400, and protruding guide bars 440 are formed at both sides of the top portion of the back surface of the electricity meter 400.

Fig. 2 is a schematic view of an overall structure of a quick-change base for an electric meter according to the present invention, and referring to fig. 2, the quick-change base for an electric meter according to the present embodiment includes a base 100, a wiring module 200, and an insulating plate 300 covering the bottom of the base 100.

Wherein, base 100 includes backplate 110 and sets up in a plurality of mounting grooves 120 of backplate 110 bottom, is provided with couple 1101 and guide way 1102 on backplate 110, and during installation ammeter 400, the gib block 440 at the back of ammeter 400 can slide along guide way 1102, provides the guide effect to ammeter 400's displacement, and when ammeter 400 installed in place, couple 1101 can be hung in the hanging hole 420 at the back of ammeter 400, fixes a position ammeter 400.

In order to avoid the hook 1101 to protrude to cause the separation of the electric meter 400 from the back plate 110, or the hook 1101 is mistakenly inserted into the hanging hole 420 to affect the installation of the electric meter 400, in this embodiment, the hook 1101 is disposed on the first elastic plate 11011, the bottom end of the first elastic plate 11011 is fixed to the back plate 110, the top can swing back and forth along the back plate 110, the top of the first elastic plate 11011 is fixed with the stopper 11012, when the electric meter 400 is installed, the back surface of the electric meter 400 abuts against the stopper 11012, so that the top of the first elastic plate 11011 swings back, and when the stopper 11012 and the hook 1101 move back to be lower than the front surface of the back plate 110, the electric meter 400 can be attached to the back plate 110, and the influence of the hook 1101 on the movement of the electric meter 400 is avoided.

It should be noted that in the present embodiment, the insulating plate 300 is slidably mounted on the back plate 110, and in a state where the electric meter 400 is not mounted, the insulating plate 300 can be positioned at the position a and covers the cylindrical plug 220; when the electric meter 400 is installed, the insulating plate 300 can be driven by the electric meter 400 to move down to a position B, so that the cylindrical plug 220 can be smoothly inserted into the wiring hole 410 of the electric meter 400, wherein the position B is a position when the insulating plate 300 is abutted against the base 100 and cannot move down; when the electricity meter 400 is taken out, the insulating plate 300 can be moved upward by the electricity meter 400, and when the electricity meter 400 is taken out, the state of the position a is restored.

In this embodiment, the quick replacing base of the electric meter further includes side baffles 130 fixed on two sides of the back plate 110, the front ends of the side baffles 130 are inclined inward, so that the electric meter 400 can be tightly attached to the back plate 110, and the front ends of the side baffles 130 are provided with the front baffles 131 bent inward, so that the electric meter 400 can be prevented from falling off from the base 100. The side guard 130 may be integrally formed with the base 100 or may be fixedly connected to the base.

Fig. 3 is a schematic view of an internal splitting structure at a first view angle of the quick replacement base for an electric meter provided by the present invention, and fig. 4 is a schematic view of an internal splitting structure at a second view angle of the quick replacement base for an electric meter provided by the present invention, referring to fig. 3 and 4, in this embodiment, front and rear ends of the mounting groove 120 protrude from front and rear sides of the back plate 110, the top of the front end of the mounting groove 120 is provided with an avoiding hole 121, and the mounting groove 120 is further provided with a first wire inlet hole 123. In this embodiment, the bottom of the mounting groove 120 is an opening, and the first wire inlet hole 123 is opened at the rear end of the mounting groove 120, in other embodiments, the opening of the mounting groove 120 may be further disposed at other positions, such as the front end of the mounting groove 120, and the first wire inlet hole 123 may also be opened at positions such as the bottom end of the mounting groove 120 as required.

The wiring module 200 comprises a module body 210 and a cylindrical plug 220 fixedly assembled on the module body 210, wherein the module body 210 can be inserted from the opening of the mounting groove 120 and clamped in the mounting groove 120, the module body 210 is provided with a second wire inlet 215 corresponding to the first wire inlet 123, and a wire 500 can pass through the first wire inlet 123 and the second wire inlet 215 and is electrically connected with the cylindrical plug 220; the cylindrical plug 220 is made of conductive metal, the size of the cylindrical plug 220 is matched with the size of the wiring hole 410 of the electric meter 400, the cylindrical plug 220 extends upwards from the avoiding hole 121, and when the cylindrical plug 220 is used, the cylindrical plug 220 is plugged into the wiring hole 410 arranged at the bottom end of the electric meter 400.

In the quick-change base for the electric meter provided by the embodiment, the wiring module 200 is of a modular design, can be installed in the installation groove 120 in an integral assembly manner, and can be applied to manufacturing quick-change bases for electric meters with different numbers of cylindrical plugs 220; meanwhile, the wiring module 200 and the mounting groove 120 can be assembled and positioned through simple operation, the mounting process of the quick replacing base of the electric meter is further simplified, and the production efficiency of the quick replacing base of the electric meter is improved.

Referring to fig. 3 and 4, in the present embodiment, a plurality of fastening holes are formed on the mounting groove 120 and/or the back plate 110, a plurality of fastening blocks are disposed on the module body 210, and the module body 210 can be fastened in the mounting groove 120 through the fastening holes and the fastening blocks.

Specifically, in this embodiment, a first fastening hole 122 is formed at the front end of the mounting groove 120, a second fastening hole 112 is formed on the back plate 110, a first fastening block 211 and a second fastening block 212 are arranged on the module body 210, the first fastening block 211 is fastened in the first fastening hole 122, and the second fastening block 212 is fastened in the second fastening hole 112, so that the module body 210 can be positioned in the mounting groove 120.

Certainly, the invention is not limited to this, in some other embodiments, a clamping hole may be formed in the mounting groove 120 and/or other position of the back plate 110, and a fixture block corresponding to the clamping hole is disposed on the module body 210, so that the module body 210 can be clamped in the mounting groove 120 through the clamping hole and the fixture block, and the module body 210 can be assembled quickly.

Further, in this embodiment, the cylindrical plug 220 is divided into four elastic insertion sheets by a star-shaped slot, and insertion ends of the elastic insertion sheets protrude outward along a circumferential direction to form a protrusion 2201. The purpose of this design is that, when using, this bellying 2201 can butt on the wiring hole 410 lateral wall of ammeter 400 to improve the firmness and the compactness of cylindricality plug 220 and wiring hole 410 grafting, guarantee the unobstructed of current transmission.

The wiring module 200 provided in this embodiment includes a spring plate besides the module body 210, the spring plate is bent integrally, and a bent end of the spring plate passes through a through hole formed in the other bent end; the bottom end of the cylindrical plug 220 is fixed with a metal connecting sheet which is inserted into the through hole and clamped between the bent end and the through hole. In use, the wire 500 can be clamped between the bent end and the connection pad and electrically connected to the connection pad and the cylindrical plug 220. The module body 210 is provided with a mounting cavity 213 therein, and the connecting sheet and the spring sheet are inserted into the mounting cavity 213 from an opening formed at a side edge of the mounting cavity 213, so as to form a modular wiring module 200 structure.

Specifically, as shown in fig. 5-7, as a specific implementation manner, the wiring module 200 includes a first elastic sheet 230 besides the module body 210, the first elastic sheet 230 is bent integrally, and a second bent end 232 of the first elastic sheet passes through a first through hole 2311 formed on the first bent end 231; the bottom end of the cylindrical plug 220 is fixed with a first metal connecting piece 221, and the first connecting piece 221 is inserted into the first through hole 2311 and clamped between the second bending end 232 and the first through hole 2311. In use, the wire 500 can be clamped between the second bent end 232 and the first connecting piece 221, and electrically connected to the first connecting piece 221 and the cylindrical plug 220. The module body 210 has an installation cavity 213 formed therein, and the first connecting piece 221 and the first elastic piece 230 are inserted into the installation cavity 213 from an opening formed in a side edge of the installation cavity 213, so as to form a modular wiring module 200 structure.

As a preferable solution, in this embodiment, the free end of the first connecting piece 221 is provided with a hook plate 2211, the hook plate 2211 is bent downward, the width of the hook plate 2211 is smaller than that of the first connecting piece 221, the hook plate 2211 can be clamped at the bottom end of the first through hole 2311 and is pressed by the end of the second bending end 232, so as to facilitate positioning of the first connecting piece 221 and the first resilient piece 230 during assembly.

In addition, the wiring module 200 further includes a pushing block 240, and in the wiring module 200, the second bending end 232 is bent downward from the top of the mounting cavity 213 and corresponds to the position of the pushing hole 214, the pushing block 240 is inserted into the pushing hole 214 formed on the module body 210, the pushing block 240 is pushed inward, the second bending end 232 can be pushed away from the first connecting piece 221, a gap is formed between the second bending end 232 and the first connecting piece 221, and the insertion and extraction of the wire 500 are facilitated.

As shown in fig. 8 and fig. 9, as another specific embodiment, the wiring module 200 further includes a second elastic piece 250 besides the module body 210, the second elastic piece 250 is bent integrally, and the fourth bent end 252 of the second elastic piece passes through a second through hole 2511 formed in the third bent end 251; a second metal connecting piece 222 is fixed to the bottom end of the cylindrical plug 220, and the second metal connecting piece 222 is inserted into the second through hole 2511 and clamped between the fourth bent end 252 and the second through hole 2511. In use, the wire 500 can be clamped between the bent end and the connection pads and electrically connected to the second connection pad 222 and the cylindrical plug 220. The module body 210 has a mounting cavity 213 formed therein, and the second connecting piece 222 and the second resilient piece 250 are inserted into the mounting cavity 213 from an opening formed in a side edge of the mounting cavity 213, so as to form a modular wiring module 200 structure.

The module body 210 is provided with a tool hole 216 into which a strip-shaped pressing tool extends, the third bending end 251 is bent downward from the top of the mounting cavity 213 and corresponds to the tool hole 216, and the pressing tool can push the third bending end 251 to move downward, so that the bottom end of the second through hole 2511 is far away from the second connecting piece 222, and the wire 500 can be conveniently inserted and extracted.

As a preferable scheme, in this embodiment, the second connection piece 222 is provided with limiting protrusions 2221 at two sides thereof, so that the third bending end 251 can be limited in the channel formed by the limiting protrusions 2221 and the side wall of the installation cavity 213, and thus when the third bending end 251 is stressed, the third bending end can move downwards along the limited channel, thereby ensuring that the second through hole 2511 can be rapidly separated from the second connection piece 222.

In other embodiments, as shown in fig. 10 and 11, the wiring module 200 further includes a crimping frame 260 and a screw 270 in addition to the module body 210, wherein the crimping frame 260 is located in a vertical sliding hole 2133 formed in the module body 210 and can move up and down along the vertical sliding hole 2133, the screw 270 is disposed in a positioning hole 2135 formed in the bottom of the module body 210, the screw 270 is screwed into a threaded hole 261 formed in the bottom of the crimping frame 260, and the screwing 270 can drive the crimping frame 260 to move up and down.

Specifically, the top of the positioning hole 2135 is provided with a clamping plate 2134, the positioning hole 2135 is internally provided with a snap ring 21351 protruding into the positioning hole 2135, and the module body 210 is made of plastic and other materials with certain elasticity, so that when the threaded member 270 is installed, the positioning hole 2135 and the snap ring 21351 are extruded and deformed, so that the cap end of the threaded member 270 can enter and be clamped between the snap ring 21351 and the clamping plate 2134, and can rotate in the axial direction of the threaded member 270.

The bottom end of the cylindrical plug 220 is fixed with a third connecting piece 223 made of metal, the third connecting piece 223 is inserted into the crimping frame 260, and the wire 500 can be clamped between the top of the crimping frame 260 and the connecting piece. When the lead 500 is inserted, the crimping frame 260 is driven to move up and down by screwing the screw 270, so that the distance between the top of the crimping frame 260 and the connecting piece is changed, and the lead 500 can be inserted and extracted conveniently.

Fig. 12 is a schematic diagram of an overall detachable structure of the quick replacement base for an electric meter according to the present invention, and referring to fig. 12, in this embodiment, an insulating plate 300 can be fastened on the top and the periphery of the cylindrical plug 220 to shield the cylindrical plug 220 and prevent an operator from touching the cylindrical plug 220 to cause an electric shock.

Specifically, in this embodiment, the electric meter finger-preventing insulating plate further includes clamping pieces 340 disposed on two sides of the insulating plate 300, wherein the insulating plate 300 is surrounded by a top plate 301, a front plate 302 and two side plates 303 to form a dustpan shape, the top plate 301 is provided with a plug hole 310 for the cylindrical plug 220 to pass through, and the insulating plate 300 can move up and down along the back plate 110.

The clamping piece 340 is positioned in the second-stage limiting groove 117 formed in the back plate 110, the clamping piece 340 is not higher than the front surface of the back plate 110, so that the electric meter 400 is prevented from tilting during installation, and a limiting hole 341 is formed in the clamping piece 340;

the clamping piece 340 is configured that when the electric meter 400 and the insulating plate 300 move to the position B, the two protruding first assembling holes 430 at the back of the electric meter 400 are clamped in the limiting holes 341, and the clamping piece 340 and the insulating plate 300 can be driven by the protruding first assembling holes 430 to move upwards;

when the clip 340 moves to the top end of the secondary limiting groove 117, the raised first assembling hole 430 can be separated from the limiting hole 341, and the insulating plate 300 can hover at the position a; when the insulating plate 300 is suspended at the position a, the top plate 301 is located above the cylindrical plug 220, and the front plate 302 shields the front side of the cylindrical plug 220;

a clamping structure is arranged between the insulating plate 300 and the back plate 110, the insulating plate 300 can hover at the position a through the clamping structure, and the insulating plate 300 can be separated from the clamping structure when the electric meter 400 is inserted.

According to the finger-proof insulating plate for the electric meter, when the electric meter 400 is plugged in, the insulating plate 300 falls down from the clamping structure, and the cylindrical plug 220 extends out of the plug hole 310 and is inserted into the wiring hole 410 at the bottom end of the electric meter 400; when the electric meter 400 is taken out, the first assembling holes 430 protruding from the back of the electric meter 400 drive the clamping pieces 340 and the insulating plate 300 to move upwards, and the electric meter is positioned above the cylindrical plug 220 through the clamping structure.

The finger-proof insulating plate for the electric meter can always shield the cylindrical plug 220, does not influence the installation operation of the electric meter 400, can reduce the electric shock risk in the installation process of the electric meter 400, and improves the installation safety of the electric meter 400; meanwhile, the movement and positioning of the insulating plate 300 can be automatically completed when the ammeter 400 is inserted and taken out, and additional installation and disassembly are not needed, so that the operation steps of the ammeter 400 during disassembly and assembly are reduced, and the disassembly and assembly efficiency of the ammeter 400 is improved.

With reference to fig. 12, in order to limit the moving track of the insulating plate 300, in this embodiment, the back plate 110 is provided with a sliding slot 114, the sliding slot 114 is a wedge-shaped slot with a wedge-shaped cross section, one end of the sliding slot located at the back of the back plate 110 is extended outward, the insulating plate 300 is provided with a sliding block 320, the shape of the sliding block 320 is matched with that of the sliding slot 114, and the sliding block 320 is inserted into the sliding slot 114 and slides up and down along the length direction of the sliding slot 114, so as to prevent the sliding block 320 from coming off from the front of the back plate 110.

Meanwhile, in order to prevent the sliding block 320 from falling off from the top end of the sliding slot 114, the back plate 110 above the sliding slot 114 is provided with the second elastic plate 113, the second elastic plate 113 is formed by a U-shaped groove formed on the back plate 110, the top end of the second elastic plate 113 is fixed on the back plate 110, the bottom of the second elastic plate 113 can swing back and forth along the back plate 110, and the distance between the bottom end of the second elastic plate 113 and the top end of the sliding slot 114 is smaller than the length of the sliding block 320. When the sliding block 320 is used, the second elastic plate 113 can be pressed to swing towards the back of the back plate 110, so that the sliding block 320 is inserted into the sliding groove 114, and after the sliding block 320 is inserted into the sliding groove 114, the second elastic plate 113 returns to the vertical state, and the sliding block 320 can be prevented from being separated from the top of the sliding groove 114.

In this embodiment, the locking structure includes a third elastic plate 115, the third elastic plate 115 is formed by a U-shaped slot opened on the back plate 110, the top end of the third elastic plate 115 is fixed to the back plate 110, and the bottom of the third elastic plate 115 can swing back and forth along the back plate 110; an arc-shaped protrusion 1151 is arranged on the front surface of the third elastic plate 115, a limiting block 1152 extending towards the front of the back plate 110 is arranged at the bottom end of the third elastic plate 115, and the limiting block 1152 can prevent the insulating plate 300 from moving downwards through clamping.

The stopper 1152 is configured such that when the arc-shaped protrusion 1151 is located on the same plane as the front plane of the rear plate 110, the stopper 1152 moves backward to be not higher than the front plane of the rear plate 110, and does not block the insulating plate 300. When the electric meter 400 is used, the arc-shaped protrusion 1151 and the third elastic plate 115 are pushed to swing towards the rear of the back plate 110 when the electric meter 400 is plugged, the limiting block 1152 loses the clamping effect on the insulating plate 300, and the insulating plate 300 falls down to enable the cylindrical plug 220 to be exposed.

Of course, the invention is not limited thereto, and the locking structure may be an elastic member that can extend back and forth along the back plate 110, and the elastic member is locked by providing a locking groove on the insulating plate 300, and the elastic member can be separated from the locking groove by a downward pushing force when the electricity meter 400 is mounted.

Preferably, the number of the third elastic plates 115 is two, and the third elastic plates are symmetrically arranged on both sides of the back plate 110, so as to ensure the stability of positioning the insulating plate 300.

Fig. 13 is a schematic view of a position structure of a picking member and a notch of the insulating plate for preventing fingers of an electricity meter according to the present invention, referring to fig. 13, in this embodiment, in order to prevent the third elastic plate 115 from being unable to return to the vertical state and further prevent the limiting block 1152 from losing the clamping effect on the insulating plate 300, the insulating plate 300 is further provided with a picking member 330, the picking member 330 includes a cross rod 331 and a vertical rod 332 bent in an L shape toward the rear upper side of the insulating plate 300, the top end of the vertical rod 332 is provided with a bending end 333 bent toward the rear upper side of the backplate 110, the bottom end of the third elastic plate 115 is provided with a notch 1153 extending upward, and the picking member 330 can extend into the notch 1153 and slide up and down along the notch 1153;

one of the sidewalls of the opening 1153 is a wedge, and one end of the wedge located on the back surface of the back plate 110 inclines into the opening, when the bending end 333 moves upwards, the bottom end of the wedge can be connected to the top surface of the bending end 333 and slide forwards to the front side of the vertical rod 332 along the top surface of the bending end 333, so that the third elastic plate 115 returns to the vertical state, and the arc-shaped protrusion 1151 on the third elastic plate 115 protrudes out of the front surface of the back plate 110.

Preferably, the free end of the bent end 333 is wedge-shaped, so that the bent end 333 can smoothly enter the notch 1153 during installation.

Fig. 14 is a schematic structural diagram of positions of the clamping member and the primary limiting groove of the anti-finger insulating plate for an electricity meter according to the present invention, and referring to fig. 14, in this embodiment, a primary limiting groove 116 is formed on a back plate 110, and a secondary limiting groove 117 is formed at a groove bottom of the primary limiting groove 116; the purpose of this design is to reduce the joint depth of the protruding first assembly hole 430 in the back of the ammeter 400 and the limiting hole 341, thereby reducing the difficulty of the first assembly hole 430 coming out of the limiting hole 341.

In order to further reduce the difficulty of disengaging from the first assembling hole 430, in this embodiment, the buffer groove 1171 is opened at the top of the bottom of the second-stage limiting groove 117, and the top of the clamping piece 340 can swing towards the buffer groove 1171. Further, the bottom of the buffer groove 1171 is an inclined surface, so as to prevent the snap 340 from being broken due to the stress concentrated on the outer edge of the buffer groove 1171 when the snap 340 is bent.

Fig. 15 is a schematic view of a clamping member structure of the finger-proof insulating plate for the electric meter according to the present invention, referring to fig. 14 and 15, in this embodiment, an upper structure of the limiting hole 341 is a first clamping strip 342, a surface of the first clamping strip 342 is flush with a surface of the secondary limiting groove 117, and upper and lower sidewalls of the first clamping strip 342 are both inclined surfaces, so that the first assembling hole 430 of the electric meter 400 enters the limiting hole 341 downward and is separated from the limiting hole 341 upward.

Further, a second protruding clamping bar 343 is disposed below the limiting hole 341 to prevent the first assembling hole 430 from slipping off from the bottom end of the limiting hole 341. Preferably, the surface of the second locking bar 343 is not higher than the front plane of the back plate 110, so as to avoid tilting the bottom end of the electric meter 400 when it is installed.

Fig. 16 is a schematic view of the overall structure of the electric meter finger-preventing insulating plate according to the present invention, and referring to fig. 16, in this embodiment, a rib plate 350 is disposed in the insulating plate 300, the sliding block 320 is fixed to the top end of the supporting rod 370, and both the picking member 330 and the supporting rod 370 are fixed to the rib plate 350, so as to ensure the mechanical strength of the picking member 330 and the sliding block 320.

Further, in this embodiment, this insulation board 300 slides from top to bottom along mounting groove 120 outer wall, for the size adaptation degree that improves insulation board 300 and backplate 110 substructure, a plurality of limit grooves 360 have been seted up along the department to the roof 301 back side of this insulation board 300, this limit groove 360 can improve the ductility of insulation board 300 top surface, so that this insulation board 300 can closely laminate with the structure outer wall that sets up in backplate 110 bottom in certain extent, stability when guaranteeing its upper and lower slip.

Ammeter 400 dismouting process:

in the initial state, the insulating plate 300 is clamped by the stopper 1152, at the position a, and buckled above the cylindrical plug 220.

During installation: the electric meter 400 moves downwards, the back surface of the electric meter 400 contacts the arc-shaped protrusion 1151 arranged on the front surface of the third elastic plate 115, the bottom end of the third elastic plate 115 swings towards the back of the back plate 110, the limiting blocks 1152 move backwards simultaneously, the insulating plate 300 falls down after being separated from the limiting blocks 1152, the cylindrical plug 220 extends out of the plug hole 310 at the top of the insulating plate 300 and is inserted into the wiring hole 410 arranged at the bottom end of the electric meter 400 along with the downward movement of the electric meter 400.

When the electric meter 400 is moved to the lowest end, i.e., the position B, the two protruding first assembly holes 430 on the back of the electric meter 400 slide over the upper clamping bars 342 and are clamped between the two clamping bars 342. A threaded fastener is used to pass through the first assembly hole 430 and to be screwed into the second assembly hole 118 formed in the bottom of the retaining groove 116.

When the disassembly is carried out: ammeter 400 moves up, drives fastener 340 and insulation board 300 and moves up, moves to the top of spacing groove 116 when fastener 340, and ammeter 400 leaves with arc arch 1151 mutually, and third elastic plate 115 resumes to vertical state, and stopper 1152 moves forward, and the joint is in insulation board 300, and insulation board 300 resumes to the initial condition before the installation, position A promptly. At this time, the electricity meter 400 is taken out.

In other embodiments, the insulation plate 300 may be exchanged between the position a and the position B by a spring (not shown), which is disposed between the insulation plate 300 and the base 100, for example, below the insulation plate 300 or above the insulation plate 300. When the electric meter is not installed, the insulating plate 300 is suspended at the position a by the pushing force of the spring in the lower compression state or the pulling force of the spring in the upper tension state; when the electricity meter 400 is installed, the electricity meter 400 presses down the insulating plate 300, overcomes the action force of the spring, presses down the insulating plate 300 to the position B, and keeps the state of the position B under the action of the gravity of the electricity meter 400; when the electricity meter 400 is disassembled, the insulation plate 300 is restored to the position a by the pushing force or the pulling force of the spring after the electricity meter 400 is taken away.

Note: the fixing means not explicitly described herein may be a conventional fixing means such as a screw connection, a welding or an adhesive connection, as required.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations, and substitutions will occur to those skilled in the art without departing from the scope of the present invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An electricity meter quick change base, comprising:

the base (100) comprises a back plate (110) and a plurality of mounting grooves (120) arranged on the back plate (110), wherein avoidance holes (121) are formed in the top of the front ends of the mounting grooves (120), and first wire inlet holes (123) are formed in the mounting grooves (120);

the wiring module (200), the wiring module (200) include module body (210) and fixed assembly in the cylindricality plug (220) of module body (210), module body (210) can be followed the opening part of mounting groove (120) is inserted and the joint in mounting groove (120), seted up on module body (210) with corresponding second entrance hole (215) in first entrance hole (123) position, wire (500) can pass first entrance hole (123) and second entrance hole (215) with cylindricality plug (220) are connected, cylindricality plug (220) are followed dodge hole (121) and upwards stretch out.

2. The quick replacing base for the electric meter as claimed in claim 1, wherein the mounting groove (120) and/or the back plate (110) is provided with a plurality of clamping holes, the module body (210) is provided with a plurality of clamping blocks, and the module body (210) is clamped in the mounting groove (120) through the clamping holes and the clamping blocks.

3. The quick change base of an electricity meter as claimed in claim 1, wherein the cylindrical plug (220) is divided into a plurality of elastic plug blades by star-shaped slots, and insertion ends of the elastic plug blades are protruded outwards along the circumferential direction to form protrusions (2201).

4. The quick-change base for electric meters as claimed in claim 1, characterized in that said wiring module (200) further comprises a spring plate, said spring plate being bent in its entirety, one bent end of which passes through a hole provided in the other bent end;

a connecting piece is fixed at the bottom end of the cylindrical plug (220), the connecting piece is inserted into the through hole and clamped between the bent end and the through hole, and the lead (500) can be clamped between the bent end and the connecting piece;

the module comprises a module body (210), wherein a mounting cavity (213) is formed in the module body (210), and the connecting sheet and the elastic sheet are inserted into the mounting cavity (213) from an opening formed in the side edge of the mounting cavity (213).

5. The quick-change base for electric meters as claimed in claim 4, wherein the connection module (200) further comprises a push block (240), the push block (240) is inserted into a push hole (214) formed in the module body (210), the bent end without a through hole corresponds to the push hole (214), and the push block (240) can push the bent end without a through hole away from the connecting piece.

6. The quick-change base for the electric meters as claimed in claim 4, wherein the module body (210) is provided with a tool hole (216) for a pressing tool to extend into, the bent end provided with the through hole corresponds to the tool hole (216), and the pressing tool can push the bent end provided with the through hole to move downwards so that the bottom end of the through hole is far away from the connecting sheet.

7. The quick replacing base for the electric meter as claimed in claim 1, wherein the wiring module (200) further comprises a crimping frame (260) and a screw (270), the crimping frame (260) is located in a vertical sliding hole (2133) formed in the module body (210), the screw (270) is arranged in a positioning hole (2135) formed in the bottom of the module body (210), the screw (270) is screwed in a threaded hole (261) formed in the bottom of the crimping frame (260), and the crimping frame (260) can be driven to lift by screwing the screw (270);

the bottom end of the cylindrical plug (220) is fixed with a connecting piece, the connecting piece is inserted into the crimping frame (260), and the wire (500) can be clamped between the top of the crimping frame (260) and the connecting piece.

8. The quick change base of an electricity meter as claimed in claim 1, further comprising an electricity meter finger-proof insulating plate, wherein the electricity meter finger-proof insulating plate comprises an insulating plate (300), the insulating plate (300) is slidably mounted on the back plate (110), the insulating plate (300) has two positions when sliding up and down, in a position a, the insulating plate (300) can completely cover the upper side of the cylindrical plug (220), and in a position B, the cylindrical plug (220) can pass through a jack (310) arranged on the insulating plate (300).

9. An electricity meter quick change mount as claimed in claim 8, wherein said electricity meter finger proof insulating plate further comprises:

the two clamping pieces (340) are arranged on two sides of the insulating plate (300), the clamping pieces (340) are positioned in a secondary limiting groove (117) formed in the back plate (110), the clamping pieces (340) are not higher than the front surface of the back plate (110), and limiting holes (341) are formed in the clamping pieces (340);

the clamping piece (340) is configured in such a way that when the electric meter (400) and the insulating plate (300) move to the position B, the first assembling holes (430) protruding from the back of the electric meter (400) are clamped in the limiting hole (341), and the clamping piece (340) and the insulating plate (300) can be driven by the protruding first assembling holes (430) to move upwards;

when the clamping piece (340) moves to the top end of the secondary limiting groove (117), the raised first assembling hole (430) can be separated from the limiting hole (341), and the insulating plate (300) can be suspended at a position A;

insulation board (300) with be provided with the screens structure between backplate (110), insulation board (300) can pass through the screens structure hovers in position A, just insulation board (300) can be followed when ammeter (400) are inserted the screens structure is gone up and is broken away from.

10. The quick change mount for an electricity meter as claimed in claim 8, wherein said anti-finger insulating plate further comprises a spring disposed between said insulating plate (300) and said base (100); when the electric meter is not installed, the insulating plate (300) is suspended at the position A under the action of the pushing force or the pulling force of a spring; when the electric meter (400) is installed, the insulating plate (300) is pressed down to a position B by the electric meter (400); after the electric meter (400) is taken away, the insulating plate (300) returns to the position A under the action of the pushing force or the pulling force of the spring.