CN217085055U

CN217085055U - Improved electric energy meter

Info

Publication number: CN217085055U
Application number: CN202120904431.6U
Authority: CN
Inventors: 张恒; 魏章波; 林国庆; 罗崇; 吴小芳
Original assignee: Ningbo Sanxing Medical and Electric Co Ltd
Current assignee: Ningbo Sanxing Medical and Electric Co Ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2022-07-29
Anticipated expiration: 2031-04-28

Abstract

The utility model relates to an improved generation electric energy meter, including the lower cover and can cover the upper cover that closes with the lower cover, be equipped with the fixed orifices that runs through on the lateral wall of upper cover, the lateral wall of lower cover is equipped with on the position corresponding with the fixed orifices and can be after passing the fixed orifices with the integrative fixed column of fixed orifices melting. And the upper cover and the lower cover are connected through screws. The electric energy meter is simple to assemble, convenient to operate and stable in connection, and cost saving is facilitated.

Description

Improved electric energy meter

Technical Field

The utility model relates to an electric energy meter technical field especially relates to an improved generation electric energy meter.

Background

The meter covers of most electric energy meters in the market can be opened so as to be convenient for maintenance, but in some countries and regions, in order to prevent electricity stealing events, the meter covers of the electric energy meters are required to be not openable, but the production and assembly processes of the electric energy meters in the prior art are complex, and cost saving is not facilitated.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is an object of the present invention to provide an improved electric energy meter which is easy to assemble and which is advantageous for cost saving.

In order to realize the purpose, the technical scheme of the utility model is that: the utility model provides an improved generation electric energy meter, includes the lower cover and can close with the lower cover lid upper cover, its characterized in that:

the side wall of the upper cover is provided with a through fixing hole, and the side wall of the lower cover is provided with a fixing column which can be fused with the fixing hole into a whole after passing through the fixing hole at a position corresponding to the fixing hole.

Furthermore, the side wall of the upper cover covers and covers the side wall of the lower cover.

Furthermore, the free end of the fixing column is provided with a chamfer which is convenient to insert into the fixing hole.

Further, the upper cover and the lower cover are connected through screws.

Further, the upper cover is provided with an assembly hole, the inner wall of the lower cover is provided with a fixed table at a position opposite to the assembly hole, and the screw penetrates through the assembly hole and then is fixedly connected with the fixed table through threads.

Furthermore, a U-shaped groove for a screw to pass through is formed in the fixing table, a fixing block is arranged at one end, close to the inner wall of the lower cover, of the U-shaped groove, and a screw hole connected with the screw is formed in the fixing block.

Furthermore, a limiting block is arranged on one side, away from the inner wall of the lower cover, of the fixing block on the groove wall of the U-shaped groove, an elastic cushion block is arranged between the limiting block and the fixing block, and a through hole for a screw to pass through is formed in the elastic cushion block.

Furthermore, the fixing block is provided with a barb for preventing the elastic cushion block from slipping off from the position between the limiting block and the fixing block on the surface contacted with the elastic cushion block.

Furthermore, a supporting table is formed on the outer wall of the fixed table, the electric energy meter further comprises a PCB arranged in a space where the upper cover and the lower cover are covered, and the PCB is supported on the supporting table.

Furthermore, a lead sealing hole is arranged on the screw, and a lead sealing groove which can be matched with the lead sealing hole for lead sealing is arranged on the cover plate of the upper cover.

Compared with the prior art, the utility model has the advantages of: through the setting of the stationary mast that melts, electric energy meter upper cover and lower cover after having assembled, only need to carry out the melting to the fixed column and make fixed column and fixed orifices combine together and can accomplish the assembly of upper cover and lower cover, and the upper cover can not follow the lower cover and dismantle after the assembly, simple process, and convenient operation is favorable to practicing thrift the cost to carry out further fixed connection through the screw between upper cover and lower cover, can improve the steadiness that the lid closed between upper cover and lower cover, improve electric energy meter life.

Drawings

Fig. 1 is a schematic diagram of an appearance structure of an electric energy meter according to the present application.

Fig. 2 is a schematic diagram of an explosion structure of the electric energy meter according to the present application.

Fig. 3 is a schematic view of the partially exploded structure of fig. 2.

Fig. 4 is an enlarged schematic view of a portion a in fig. 2.

Fig. 5 is an enlarged schematic view of B in fig. 2.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 5, the improved electric energy meter of the present invention includes a lower cover 1 and an upper cover 2 capable of covering the lower cover 1, a through fixing hole 21 is provided on a sidewall of the upper cover 2, and a fixing post 11 capable of melting with the fixing hole 21 into a whole after passing through the fixing hole 21 is provided on a position of the sidewall of the lower cover 2 corresponding to the fixing hole 21. During assembly, the upper cover 2 is covered on the lower cover, after the fixing column 11 passes through the corresponding fixing hole 21, the fixing column 11 is heated and melted, and the fixing column 11 is melted and then is connected with the fixing hole 21 into a whole, so that the upper cover 2 and the lower cover 1 after assembly cannot be detached.

In the present embodiment, the sidewall of the upper cover 2 covers and covers the sidewall of the lower cover 2. Therefore, the cover between the upper cover 2 and the lower cover 1 is more stable, and the appearance of the electric energy meter is more attractive.

In order to facilitate the smooth insertion of the fixing post 11 into the fixing hole 21 during assembly, the free end of the fixing post 11 is provided with a chamfer 12. It should be noted that, as a person skilled in the art, the upper cover 2 and the lower cover 1 of the electric energy meter are generally made of plastic and have certain elasticity.

In order to make the upper cover 2 and the lower cover 1 more stable after being assembled, the upper cover 2 and the lower cover 1 are connected through screws 3.

Specifically, the upper cover 2 is provided with a mounting hole 22, the inner wall of the lower cover 1 is provided with a fixing base 13 at a position opposite to the mounting hole 22, and the screw 3 passes through the mounting hole 22 and then is screwed and fixed with the fixing base 13. Through setting up fixed station 13, can improve the intensity of lower cover 1 and screw 3 hookup location, avoid damaging in the assembling process.

In this embodiment, a U-shaped groove 131 through which the screw 3 can pass is disposed on the fixing table 13, a fixing block 132 is disposed at one end of the U-shaped groove 131 close to the inner wall of the lower cover 1, and a screw hole 133 connected with the screw 3 is disposed on the fixing block 132. In addition, in order to assemble, the screw 3 is screwed more tightly to enable the connection between the upper cover 2 and the lower cover 1 to be firmer, a limit block 134 is arranged on one side, away from the inner wall of the lower cover 1, of the fixing block 132 on the groove wall of the U-shaped groove 131, an elastic cushion block 135 is arranged between the limit block 134 and the fixing block 132, and a through hole 136 through which the screw 3 can pass is formed in the elastic cushion block 135.

In order to prevent the elastic cushion block 135 from falling off during the assembling process and thus affect the assembling efficiency, a barb 137 is disposed on the surface of the fixing block 132 contacting the elastic cushion block 135 to prevent the elastic cushion block 135 from slipping off between the limiting block 134 and the fixing block 132.

In this embodiment, a support table 138 is formed on the outer wall of the fixed table 13, the electric energy meter further includes a PCB 4 disposed in the space covered by the upper cover 2 and the lower cover 1, and the PCB 4 is supported on the support table 138.

In order to further improve the stability of the assembly between the upper cover 2 and the lower cover 1, the screw 3 is provided with a lead sealing hole 31, and the cover plate of the upper cover 2 is provided with a lead sealing groove 23 which can be matched with the lead sealing hole 31 for lead sealing.

While embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides an improved generation electric energy meter, includes lower cover (1) and can close upper cover (2) with lower cover (1) lid, its characterized in that:

the side wall of the upper cover (2) is provided with a through fixing hole (21), and the side wall of the lower cover (1) is provided with a fixing column (11) which can be fused with the fixing hole (21) into a whole after penetrating through the fixing hole (21) at a position corresponding to the fixing hole (21).

2. The improved electric energy meter according to claim 1, wherein:

the side wall of the upper cover (2) covers and covers the side wall of the lower cover (1).

3. The improved electric energy meter according to claim 2, wherein:

the free end of the fixing column (11) is provided with a chamfer (12) which is convenient to insert into the fixing hole (21).

4. The improved electric energy meter according to claim 1, wherein:

the upper cover (2) is connected with the lower cover (1) through a screw (3).

5. The improved electric energy meter according to claim 4, wherein:

be equipped with pilot hole (22) on upper cover (2), lower cover (1) inner wall is equipped with fixed station (13) in the position department relative with pilot hole (22), screw (3) are fixed with fixed station (13) threaded connection after passing pilot hole (22).

6. The improved electric energy meter according to claim 5, wherein:

the fixing table (13) is provided with a U-shaped groove (131) through which a screw (3) can pass, one end, close to the inner wall of the lower cover (1), of the U-shaped groove (131) is provided with a fixing block (132), and the fixing block (132) is provided with a screw hole (133) connected with the screw (3).

7. The improved electric energy meter according to claim 6, wherein:

a limiting block (134) is arranged on one side, away from the inner wall of the lower cover (1), of the fixing block (132) on the groove wall of the U-shaped groove (131), an elastic cushion block (135) is arranged between the limiting block (134) and the fixing block (132), and a through hole (136) through which a screw (3) can pass is formed in the elastic cushion block (135).

8. The improved electric energy meter according to claim 7, wherein:

and the surface of the fixed block (132) contacted with the elastic cushion block (135) is provided with a barb (137) for preventing the elastic cushion block (135) from slipping from the position between the limit block (134) and the fixed block (132).

9. The improved electric energy meter according to claim 5, wherein:

a supporting table (138) is formed on the outer wall of the fixed table (13), the electric energy meter further comprises a PCB (4) arranged in a space covered by the upper cover (2) and the lower cover (1), and the PCB (4) is supported on the supporting table (138).

10. The improved electric energy meter according to claim 4, wherein:

the screw (3) is provided with a lead sealing hole (31), and the cover plate of the upper cover (2) is provided with a lead sealing groove (23) which can be matched with the lead sealing hole (31) for lead sealing.