Lead sealing structure of electric energy meter

Abstract

The utility model provides a lead sealing structure of an electric energy meter, which comprises a lead seal, a fixing block and a screw, the fixing block can be installed in an installation groove in a vertically movable mode, and a threaded hole which penetrates through the fixing block and is in threaded connection with the screw is formed in the fixing block. When the lead seal is disassembled, a hole is drilled in the middle of the sealing cover to form an open hole, the open hole corresponds to the screw, then the screw is rotated, the screw abuts against the bottom of the lead seal hole of the electric energy meter, the fixing block can move upwards relative to the screw, the fixing block abuts against the part, except the open hole, of the sealing cover, and the lead seal is ejected out of the lead seal hole. Therefore, the lead seal can be quickly and conveniently disassembled, the lead seal can be smoothly taken out in a time-saving and labor-saving manner during maintenance, and great convenience is brought to manufacturers.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric energy meter, concretely relates to a lead seal structure of electric energy meter. BACKGROUND

[0002] The existing electric energy meter lead seal includes a lead seal body and an annular protrusion arranged at the middle part of the outer wall of the lead seal body, and the annular protrusion is connected with the lead seal hole. When the lead seal needs to be removed, a sharp object is first used to drill a hole on the cover of the lead seal, and then a special tool is used to hook out the lead seal, which is time-consuming and laborious. SUMMARY

[0003] Therefore, the utility model wants to solve the technical problem in the prior art that the electric energy meter lead seal is time-consuming and laborious to remove, so as to provide a lead seal structure of electric energy meter which is quick and convenient to disassemble.

[0004] Therefore, the utility model provides a lead seal structure of electric energy meter, which comprises a lead seal, a fixing block and a screw, the lead seal is provided with a mounting groove, a cover and a lower opening which are arranged at the top and bottom of the mounting groove respectively, the fixing block is movably installed in the mounting groove, the fixing block is formed with a threaded hole penetrating through the fixing block, and the screw is threadedly connected with the threaded hole.

[0005] The mounting groove is a rounded rectangular groove, and the fixing block is a rounded rectangle adapted to the rounded rectangular groove.

[0006] The fixing block comprises a bottom plate and a surrounding plate arranged around the bottom plate, and the middle part of the bottom plate is formed with the threaded hole.

[0007] The screw comprises a screw rod part and a screw head part abutting against the bottom part of the bottom plate.

[0008] The end part of the screw rod part away from the screw head part is formed with a character-shaped or cross-shaped slot.

[0009] The size of the screw head part is smaller than the size of the mounting groove.

[0010] In the assembled state, the fixing block and the screw are embedded into the mounting groove of the lead seal.

[0011] The utility model technical scheme has the following advantages:

[0012] 1. The lead seal structure of the electric energy meter, comprising a lead seal, a fixed block and a screw, the fixed block is movably installed in the installation groove, and the fixed block is formed with a threaded hole penetrating through the fixed block and threadedly connected with the screw. When the cover is disassembled, a hole is first drilled in the middle of the cover to form an opening, the opening is arranged corresponding to the screw, then the screw is rotated, the screw abuts against the bottom of the lead seal hole of the electric energy meter, the fixed block moves upward relative to the screw, the fixed block abuts against the part of the cover except the opening, and the lead seal is ejected from the lead seal hole, compared with the prior art, the disassembly is quick and convenient, the lead seal can be smoothly taken out during maintenance, time and labor are saved, and great convenience is brought to the manufacturer.

[0013] 2. The lead seal structure of the electric energy meter, the fixed block comprises a bottom plate and a surrounding plate arranged around the bottom plate, the middle part of the bottom plate is formed with a threaded hole, the surrounding plate is close to the position of the cover, therefore, only a small number of rotations of the screw is needed, the surrounding plate abuts against the bottom of the cover, the cover is ejected from the lead seal hole, in addition, materials can be saved, and the cost of the fixed block is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the specific embodiment of the utility model or the prior art, the drawings needed to be used in the specific embodiment or the prior art description will be briefly introduced below, obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the premise of the drawings.

[0015] Figure 1 It is a sectional view of the lead seal structure (the lead seal is drilled) of the electric energy meter of the utility model.

[0016] Figure 2 It is a first explosion structure schematic view of the lead seal structure of the electric energy meter.

[0017] Figure 3 It is a second explosion structure schematic view of the lead seal structure of the electric energy meter.

[0018] The reference signs are explained as follows: 1, lead seal; 2, installation groove; 3, cover; 4, fixed block; 5, threaded hole; 6, screw; 7, opening; 8, bottom plate; 9, surrounding plate; 10, screw rod part; 11, screw head part; 12, insertion slot. DETAILED DESCRIPTION

[0019] The technical scheme of the utility model will be described below in connection with the drawings, obviously, the described embodiments are some embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0023] Example

[0024] This embodiment provides a lead seal structure for an electricity meter, such as... Figure 1 As shown, it includes a lead seal 1, a fixing block 4, and a screw 6.

[0025] Lead seal 1, such as Figure 2 and Figure 3 As shown, it has a mounting groove 2, and a cover 3 and a lower opening respectively located at the top and bottom of the mounting groove 2. The outer wall of the lead seal 1 is provided with an annular rib 13.

[0026] like Figure 1 As shown, the fixing block 4 is movably installed in the mounting groove 2, and the fixing block 4 has a threaded hole 5 formed therethrough. The fixing block 4 includes a base plate 8 and a surrounding plate 9 arranged around the base plate 8, and the threaded hole 5 is formed in the middle of the base plate 8. In this embodiment, the mounting groove 2 is a rounded rectangular groove, and the fixing block 4 is a rounded rectangle adapted to the rounded rectangular groove, thereby ensuring that the fixing block 4 and the lead seal 1 will not swing back and forth after being inserted into the lead seal 1. It should be noted that, for those skilled in the art, the fixing block 4 can also be a polygon such as a triangle or a rectangle, and the mounting groove 2 can also be a corresponding polygon such as a triangle or a rectangle, thereby ensuring that the fixing block 4 and the lead seal 1 will not swing.

[0027] Screw 6 is screwed with the threaded hole 5. As shown in Figure 1 、 Figure 2 and Figure 3 , the screw 6 includes a screw rod part 10, and a screw head part 11 abutting the bottom of the bottom plate 8, and the end of the screw rod part 10 away from the screw head part 11 is shaped with a character-shaped or cross-shaped slot 12. In the embodiment, the size of the screw head part 11 is smaller than the size of the mounting groove 2. In the assembled state, the fixing block 4 and the screw 6 are embedded into the mounting groove 2 of the lead seal 1

[0028] The lead seal structure of the electric energy meter provided by the utility model, including lead seal 1, fixed block 4 and screw 6, when disassembling, first drill hole in the middle of the cover 3 and form the opening 7, the opening 7 is correspondingly arranged with the screw 6, then rotate the screw 6, the screw 6 abuts the bottom of the electric energy meter lead seal hole, so that the fixed block 4 will move upwards relative to the screw 6, the fixed block 4 abuts the part of the cover 3 except the opening, and the lead seal 1 is ejected from the lead seal hole, compared with the prior art, so disassembling is quick and convenient, saves time and effort, can smoothly take out the lead seal when maintaining, brings great convenience for the manufacturer.

[0029] Obviously, the above embodiments are only examples for clearly illustrating, and not limit the embodiments. For ordinary skilled in the art, on the basis of the above description, other different forms of changes or variations can also be made. Here, all the embodiments need not and cannot be exhausted. The obvious changes or variations derived from still fall within the protection scope of the utility model.

Claims

1. A lead seal structure for an electricity meter, characterized in that, include: A lead seal (1) having a mounting groove (2), and a cap (3) and a lower opening respectively disposed at the top and bottom of the mounting groove (2); The fixing block (4) is movable up and down in the mounting groove (2), and the fixing block (4) is formed with a threaded hole (5) through it; Screw (6) is threaded into the threaded hole (5); During disassembly, after the middle part of the cover (3) is drilled to form an opening (7), the opening (7) is set in correspondence with the screw (6), and the fixing block (4) can abut against the part of the cover (3) except for the opening (7).

2. The lead seal structure of the electricity meter according to claim 1, characterized in that, The mounting groove (2) is a rounded rectangular groove, and the fixing block (4) is a rounded rectangle adapted to the rounded rectangular groove.

3. The lead seal structure of the electricity meter according to claim 1, characterized in that, The fixing block (4) includes a base plate (8) and a surrounding plate (9) arranged around the base plate (8), and the threaded hole (5) is formed in the middle of the base plate (8).

4. The lead seal structure of the electricity meter according to claim 3, characterized in that, The screw (6) includes a screw portion (10) and a screw head (11) that abuts against the bottom of the base plate (8).

5. The lead seal structure of the electricity meter according to claim 4, characterized in that, The end of the screw portion (10) away from the screw head (11) is formed with a slot (12) in the shape of a slot or cross.

6. The lead seal structure of the electricity meter according to claim 4, characterized in that, The size of the screw head (11) is smaller than the size of the mounting groove (2).

7. The lead seal structure of the electricity meter according to claim 1, characterized in that, In the assembled state, the fixing block (4) and the screw (6) are embedded into the mounting groove (2) of the lead seal (1).

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