CN210626541U - Electric energy meter plugging device - Google Patents

Abstract

A plugging device for an electric energy meter comprises a body, wherein a first cavity is formed in the body and is communicated with the outside through a communication hole, and a first threading hole penetrating through the first cavity is formed in the body; one end of each lower pressing block is hinged to the collinear position of the communication hole and the upper surface of the body, and the other end of each lower pressing block is arranged in the communication hole and extends into the first cavity; one end of each of the two first elastic pieces is fixed at the bottom of the first cavity, and the other end of each of the two first elastic pieces is connected with the lower pressing block; the first moving block is connected between the two lower pressing blocks, and a second threading hole corresponding to the first threading hole is formed in the length direction of the first moving block; this scheme utilizes table lid to close the application of force in this theftproof electric installation, and elastic component shrink makes the movable block remove No. one, realizes the dislocation of No. two through wires holes and No. one through wires hole, and the space between just also wire and the table tail wiring hole reduces to avoid the user to short circuit the reposition of redundant personnel privately and steal the electricity, table lid separation back, the dislocation of No. two through wires holes and a through wires hole resumes, can make things convenient for electric power operating personnel to install again and overhaul.

Description

Electric energy meter plugging device

Technical Field

The utility model belongs to the technical field of electric power safety fortune dimension, concretely relates to electric energy meter plugging device.

Background

With the development of electric power utilities and the growth of electric power users, single-phase meters are also well known by common residents, and when the electric energy meter is installed and powered on at present, because the tail wiring hole of the electric energy meter has a large diameter, a large gap exists between a wire and the wiring hole, short circuit is easily caused, current is shunted, and electric quantity loss is caused. In addition, because meter installation and power connection are carried out by directly inserting a lead into a meter tail, and the aperture of a lead jack at the meter tail is different from the wire diameter of the lead, part of users have the idea of stealing electric energy, and the loss of the electric energy is still quite remarkable from the families all over the country at present. It is known that the mode of stealing electric energy has a lot of, and it is nothing or just to steal the electricity from any one factor of voltage, electric current and power factor, and the common is the live wire of short circuit ammeter, and this kind of electricity stealing mode is short circuited the live wire through the little short circuit wire of resistance for the overwhelming majority electric current passes through from the short circuit wire, and only a small amount of electric current passes through the meter, leads to few measurement or even not measure. The electricity stealing mode is simple and effective, is easy to perceive from the appearance, is simple in eliminating mode, but is convenient for a user to install a short circuit wire, so that the frequency of processing the electricity stealing mode by the practitioner is high, the user easily steals electricity repeatedly, great influence is caused on effective metering of electric energy of an electric power department, and the loss of energy is indirectly caused to steal electricity. To deal with the problem of electricity stealing by users, the electricity stealing problem can be solved only by sealing an electric meter box. However, although the meter tail of the electric energy meter is sealed, the jack of the meter tail is not sealed, and a user can insert the meter tail in a short-circuit line mode to steal electricity.

Chinese patent publication No. CN102735893B discloses an electricity larceny prevention device and an electric energy meter, which has a first insulating portion including an outer wall and an inner wall, wherein the outer wall has a conical circumference, and the inner wall further includes: the extension section forms a cylindrical cavity, and the closed section forms a conical cavity, and the upper end of the conical cavity is connected with the lower end of the extension section. The electric energy meter is provided with the anti-theft electric device. This utilizes simple and easy sheath structure, seals the electric energy meter tail wiring hole that the air gap is too big, avoids the short circuit reposition of redundant personnel to steal the electricity. Moreover, the electric shock of the personnel for weekly check and meter reading can be avoided, thereby effectively ensuring the personal safety of the operating personnel.

Although the condition that the short circuit electricity stealing can be prevented to a certain extent by adopting the sheath to seal the tail of the electric energy meter with larger air gap, the difficulty of wiring installation and subsequent maintenance of electric power installation personnel is also improved by the sealing of the sheath, and meanwhile, the simple sheath is easy to seal and damage, so that the condition that the electricity stealing of a user is not discovered by an electric power department still exists.

SUMMERY OF THE UTILITY MODEL

To the technical problem that above-mentioned exists, the utility model provides an electric energy meter plugging device solves current theftproof electric installation wire in the past and is not simple and easy when later stage maintenance, and simple and easy sheath seals itself and the electric energy meter does not link to there is the problem of user's electricity stealing potential safety hazard.

In order to realize the purpose, the utility model discloses the technical scheme who takes is:

an electric energy meter plugging device, comprising:

the body is internally provided with a first cavity which is communicated with the outside through two communicating holes which run through the same side of the body, and the body is respectively provided with a first threading hole which runs through the first cavity at corresponding positions on two side surfaces along the length;

one end of each lower pressing block is hinged to the collinear position of the communication hole and the upper surface of the body, and the other end of each lower pressing block is arranged in the communication hole and extends into the first cavity;

one end of each of the two first elastic pieces is fixed at the bottom of the first cavity, and the other end of each of the two first elastic pieces is connected with the lower pressing block;

and the first moving block is connected between the two lower pressing blocks and is provided with a second threading hole corresponding to the first threading hole along the length direction.

The embodiment of the utility model provides a beneficial effect lies in: when the electric energy meter wire is installed in the early stage, the meter cover of the electric energy meter can be opened, the meter cover is opened, the first threading hole and the second threading hole are opposite to the wiring hole at the tail of the electric energy meter, the installation, the disassembly and maintenance of the wire can be easily completed, after the work is completed, the electric energy meter cover is combined and contacted with the upper part of the lower pressing block, the lower pressing block moves downwards in the process of covering the meter cover tightly, the first elastic part contracts, the first moving block which is connected is driven to move downwards together when the lower pressing block moves downwards, the relative distance between the second threading hole which penetrates through the wire on the first moving block and the first threading hole is reduced, therefore, after the meter cover is fastened by screws and lead sealing is completed, the gap between the first threading hole and the meter tail hole is reduced through the second threading hole, and therefore a user cannot directly cross over the wiring device to carry out short circuit on the wire so as to achieve the purpose of electricity stealing. When using a certain age and needing to overhaul this electric energy meter, can separate table lid and this theftproof electric installation, at this moment the resistance that the table lid was applyed to the briquetting disappears, and lower briquetting resumes to shift up after deformation at bottom extensible member, and simultaneously, the briquetting drives the movable block and shifts up No. one down to No. two through wires holes and No. one through wires hole resume to normal condition, can make things convenient for table tail wiring hole wire to pass the installation of a through wires hole and No. two through wires holes and dismantle at this moment.

Further, above-mentioned electric energy meter plugging device still includes:

a connecting plate fixed on one side surface along the length direction of the body;

and the fixed plate is vertically arranged and is fixed with the free end of the connecting plate.

Further, according to the electric energy meter plugging device, the connecting plate and the fixing plate are both provided with two parts.

Furthermore, in the electric energy meter blocking device, the two lower pressing blocks are provided with the first racks, the electric energy meter blocking device further comprises a second moving block, the end portion of the second moving block is provided with the second rack meshed with the first racks, the second moving block is arranged between the two lower pressing blocks and is provided with a third threading hole corresponding to the first threading hole and the second threading hole along the length direction of the second moving block, the bottom of the second moving block is fixedly provided with a second elastic piece, and the other end of the second elastic piece is fixed at the bottom of the first cavity.

Further, in the plugging device for the electric energy meter, the first elastic part is a pressure spring, and the second elastic part is a tension spring.

Drawings

Fig. 1 is an axonometric view of an opening at one side of the body of the plugging device for an electric energy meter of the present invention;

fig. 2 is a front view of an opening at one side of the body of the plugging device for the electric energy meter of the present invention;

fig. 3 is a left side view of the electric energy meter plugging device of the present invention;

FIG. 4 is a cross-sectional view taken along the plane A-A in FIG. 3;

fig. 5 is an axonometric view of the body closure of the plugging device of the electric energy meter of the present invention;

fig. 6 is a front view of the electric energy meter plugging device of the present invention;

FIG. 7 is an isometric view of an opening on one side of a body of an embodiment 3 of the plugging device for the electric energy meter;

FIG. 8 is a front view of an opening at one side of a body of an electric energy meter plugging device in an embodiment 3;

FIG. 9 is a cross-sectional view taken along the plane B-B in FIG. 8;

reference numerals in the drawings of the specification include: the wire drawing device comprises a body 1, a first cavity 2, a communicating hole 3, a first wire drawing hole 4, a lower pressing block 5, a first elastic part 6, a first moving block 7, a second wire drawing hole 8, a connecting plate 9, a fixing plate 10, a first rack 11, a second rack 12, a second elastic part 13, a second moving block 14 and a third wire drawing hole 15.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1: refer to FIGS. 1 to 6

This scheme provides an electric energy meter plugging device, mainly comprises following part:

the wire drawing machine comprises a body 1, wherein a first cavity 2 is arranged in the body 1, the first cavity 2 is communicated with the outside through two communication holes 3 which penetrate through the same side of the body 1, and first wire drawing holes 4 which penetrate through the first cavity 2 are respectively arranged at corresponding positions on two side surfaces of the body 1 in the length direction;

one end of each of the two lower pressing blocks 5 is hinged to the collinear position of the communication hole 3 and the upper surface of the body 1, and the other end of each of the two lower pressing blocks is arranged in the communication hole 3 and extends into the first cavity 2;

one ends of the two first elastic pieces 6 are fixed at the bottom of the first cavity 2, and the other ends are connected with the lower pressing block 5;

and the first moving block 7 is connected between the two lower pressing blocks 5, and is provided with a second threading hole 8 corresponding to the first threading hole 4 along the length direction.

The body 1, the lower pressing block 5 arranged in the body and the first moving block 7 can be made of insulating materials, and the safety of electricity-connecting personnel can be improved.

The electric energy meter plugging device has the following use mode: the electric energy meter is arranged at the tail of the electric energy meter and is connected in a detachable connection mode, an adhering mode, a welding mode and the like, preferably in a detachable connection mode, such as a bolt and the like; the specific installation requirement is that the position of a first threading hole 4 on the body 1 corresponds to the position of a tail wiring hole of the electric energy meter. When the electric energy meter lead is installed in the early stage, the meter cover of the electric energy meter can be opened, under the condition that the meter cover is opened, the first threading hole 4 and the second threading hole 8 are opposite to the wiring hole at the tail of the electric energy meter, the installation, the disassembly and the maintenance of the lead can be easily completed, after the work is completed, the cover of the electric energy meter is combined and contacted with the upper part of the lower pressing block 5, when the watch cover is tightly covered, the lower pressing block 5 moves downwards, the first elastic piece 6 contracts, the lower pressing block 5 drives the connected first moving block 7 to move downwards together, at the moment, the relative aperture of a second threading hole 8 for threading a conducting wire on the first moving block 7 and a first threading hole 4 is reduced, thereby reducing the gap between the first threading hole 4 and the meter tail wiring hole through the second threading hole 8 after the meter cover is fastened by the screw and the lead seal is punched, therefore, the user cannot directly cross the anti-theft device to short the lead so as to achieve the purpose of electricity stealing.

When the electric energy meter needs to be overhauled for a certain age, when an overhaul personnel in an electric power department overhauls, firstly, lead seal between the meter cover and the anti-theft electric device is damaged, then fastening bolts or screws between the meter cover and the anti-theft electric device are disassembled through tools, or the meter cover and the anti-theft electric device are forcibly detached and adhered or welded, the meter cover can be separated from the anti-theft electric device, at the moment, resistance applied to the lower pressing block 5 by the meter cover disappears, the lower pressing block 5 moves upwards after the bottom telescopic part recovers deformation, meanwhile, the lower pressing block 5 drives the first moving block 7 to move upwards, so that the second threading hole 8 and the first threading hole 4 recover to a normal state, and at the moment, a meter tail wiring hole lead can conveniently pass through the first threading hole 4 and the second threading hole 8 to be installed and detached. Thereby use this electric energy meter plugging device, not only can realize that similar sheath structure reduces the clearance between through wires hole and table tail wiring hole, avoid the user short circuit wire to steal the electricity, moreover can be when installation and maintenance electric energy meter automatic adjustment No. two through wires hole 8 and table tail wiring hole to normal condition to can improve the staff of working a telephone switchboard installation maintenance efficiency. After the maintenance of the electric power overhaul personnel is finished, the meter cover and the anti-theft device are fastened or adhered or welded through bolts, and lead sealing is performed again to prevent short circuit electricity stealing caused by the private disassembly of the anti-theft device; certainly, the anti-electricity-stealing device cannot completely eradicate the behavior of stealing electricity of a user, and the meter cover and the anti-electricity-stealing device cannot be integrally arranged due to the fact that the anti-electricity-stealing device is convenient to maintain in the future, and the problem that the private short circuit is forcibly damaged exists no matter a bolt is used for connecting and sealing the lead, or the method of sticking and welding and the like.

Example 2: with reference to FIGS. 1 and 5

Compared with the embodiment 1, the difference is that the device also comprises a connecting plate 9 which is fixed on one side surface along the length direction of the body 1; fixed plate 10, it is vertical setting, and fixed with the free end of connecting plate 9, thereby can set up the screw hole on the fixed plate 10 and compare the fixed more convenient and firm of body 1 lug connection electric energy meter, it is also convenient to dismantle, and connecting plate 9 can prolong the electric energy meter and this theftproof electric installation body distance between 1 to easy to assemble and maintenance personal wiring and quick installation. The two connecting plates 9 and the two fixing plates 10 are arranged to play a role in connection balance.

Example 3: refer to FIGS. 7 to 9

Compared with the embodiment, the difference is that the two lower pressing blocks 5 are both provided with the first racks 11, the two lower pressing blocks further comprise second moving blocks 14, the end portions of the second moving blocks 14 are provided with the second racks 12 meshed with the first racks 11, the second moving blocks 14 are arranged between the two lower pressing blocks 5, the third threading holes 15 corresponding to the first threading holes 4 and the second threading holes 8 are formed in the length direction of the second moving blocks, the bottom of each second moving block 14 is fixedly provided with a second elastic piece 13, and the other end of each second elastic piece 13 is fixed to the bottom of the first cavity 2.

The working principle of the design mode is as follows:

when the electric energy meter conducting wire is installed in the early stage, the meter cover of the electric energy meter can be opened, under the condition that the meter cover is opened, the positions of the first threading hole 4, the second threading hole 8 and the third threading hole 15 are opposite to the wiring hole at the tail of the electric energy meter, the installation, the disassembly and the overhaul work of the conducting wire can be easily completed, after the work is completed, the meter cover of the electric energy meter is combined and contacted with the upper part of the lower pressing block 5, the lower pressing block 5 moves downwards in the process of covering the meter cover tightly, the first elastic part 6 contracts, the first moving block 7 is driven to move downwards simultaneously when the lower pressing block 5 moves downwards, and at the moment, the second threading hole 8 arranged on the first moving block 7 generates downward relative dislocation relative to the first threading hole 4; meanwhile, when the lower pressing block 5 moves downwards, the first rack 11 arranged on the lower pressing block moves downwards, the first rack 11 applies a reaction force of a second rack 12 meshed with the first rack, at the moment, a second moving block 14 which is originally stable under the support of the second elastic part 13 moves upwards, the second elastic part 13 deforms, at the moment, an upward relative dislocation is generated between a third threading hole 15 and a first threading hole 4 of a lead penetrating through the second moving block 14, the relative distance is reduced, so that when the pressing block 5 is pressed down under the cover closure of the meter cover, a wave-shaped dislocation is generated between the first threading hole 4, the second threading hole 8 and the third threading hole 15, and after the meter cover is fastened by screws and lead sealing is performed, the meter tail wiring hole is separated by two layers of the outermost third threading hole 15 and the second threading hole 8, so that the gap between the outermost third threading hole 15 and the meter tail wiring hole is further reduced, therefore, the user cannot directly cross the anti-theft device to short the lead so as to achieve the purpose of electricity stealing. When the electric energy meter needs to be overhauled for a certain period of use, the meter cover can be separated from the electricity stealing prevention device, at the moment, the resistance applied by the meter cover to the lower pressing block 5 disappears, the lower pressing block 5 moves upwards after the first elastic piece 6 at the bottom recovers deformation, the lower pressing block 5 moves upwards to drive the first moving block 7 to move upwards, and therefore the relative dislocation between the second threading hole and the first threading hole on the first moving block 7 recovers; simultaneously, 11 first racks that set up on the briquetting 5 upwards remove in the lump to apply simultaneously in 12 decurrent reaction forces of second rack rather than the meshing, then No. two elastic component 13 resume deformation, drive No. two movable blocks 14 and move down, thereby the relative distance dislocation between No. three through wires hole 15 and No. 4 through wires hole recovers to normal condition, can make things convenient for table tail wiring hole wire to pass through No. 4 through wires hole, No. two through wires hole 8 and No. three through wires hole installation and dismantlement at this moment. Thereby use this electric energy meter plugging device, not only can realize that similar sheath structure reduces the relative clearance between each through wires hole and the table tail wiring hole, avoid the user short circuit wire to steal the electricity, moreover can be when installation and maintenance electric energy meter automatic adjustment No. two through wires holes 8 and No. three through wires hole 15 with table tail wiring hole relative distance dislocation resume normal condition to can improve the staff of working a telephone switchboard installation maintenance efficiency.

Example 4: with reference to FIGS. 1, 7, 8 and 9

Compared with the embodiment, the difference is that the first elastic piece 6 is a pressure spring, the second elastic piece 13 is a tension spring, the selection can meet the above-mentioned working requirements, the spring is the most common first elastic piece 6 on the market, and has various types and specifications for selection, and compared with the single manufacture, the cost can be saved.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (5)

1. An electric energy meter plugging device, comprising:

the wire drawing machine comprises a body (1), wherein a first cavity (2) is formed in the body (1), the first cavity (2) is communicated with the outside through two communicating holes (3) which penetrate through the same side of the body (1), and first wire drawing holes (4) which penetrate through the first cavity (2) are formed in corresponding positions on two side faces of the body (1) in the length direction;

one end of each lower pressing block (5) is hinged to the collinear position of the communication hole (3) and the upper surface of the body (1), and the other end of each lower pressing block is arranged in the communication hole (3) and extends into the first cavity (2);

one ends of the two first elastic pieces (6) are fixed at the bottom of the first cavity (2), and the other ends of the two first elastic pieces are connected with the lower pressing block (5);

a first moving block (7) which is connected between the two lower pressing blocks (5) and is provided with a second threading hole (8) corresponding to the first threading hole (4) along the length direction.

2. The electric energy meter plugging device of claim 1, wherein: further comprising:

a connecting plate (9) fixed to one side surface along the length direction of the body (1);

and the fixing plate (10) is vertically arranged and is fixed with the free end of the connecting plate (9).

3. The electric energy meter plugging device according to claim 2, wherein: the connecting plate (9) and the fixing plate (10) are provided with two.

4. The electric energy meter plugging device of claim 1, wherein: the two lower pressing blocks (5) are provided with first racks (11), the two lower pressing blocks further comprise second moving blocks (14) with end portions provided with second racks (12) meshed with the first racks (11), the second moving blocks (14) are arranged between the two lower pressing blocks (5), three threading holes (15) corresponding to the first threading holes (4) and the second threading holes (8) are formed in the length direction of the second moving blocks (14), the bottom of the second moving blocks (14) is fixedly provided with second elastic pieces (13), and the other ends of the second elastic pieces (13) are fixed to the bottom of the first cavity (2).

5. The electric energy meter plugging device of claim 4, wherein: the first elastic piece (6) is a pressure spring, and the second elastic piece (13) is a tension spring.

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