CN214407534U

CN214407534U - Plastic lead sealing structure fastening device

Info

Publication number: CN214407534U
Application number: CN202120791185.8U
Authority: CN
Inventors: 平军祥
Original assignee: Delixi Group Instrument & Instrumentation Co ltd
Current assignee: Delixi Group Instrument & Instrumentation Co ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-10-15
Anticipated expiration: 2031-04-15

Abstract

The utility model provides a plastics lead sealing structure fastener, include: the plastic lead sealing piece is suitable for assembling a meter cover and a base of the meter, the plastic lead sealing piece is provided with a main body part and a connecting part which are integrally formed, the main body part is connected with the meter cover, the connecting part extends towards the direction of the base, and the end part of the connecting part is provided with an elastic clamping part assembled with the base; wherein, the plastic lead sealing piece can be separated from the base only after being damaged. Because only can with table lid and base assembly through a plastics lead sealing spare, and realize lead sealing, compare with the mode that prior art realized assembly and lead sealing through two spare parts, the structure is simpler like this, and the assembly is swift convenient, has improved assembly efficiency, has reduced manufacturing cost.

Description

Plastic lead sealing structure fastening device

Technical Field

The utility model relates to an electric energy meter assembly technical field, concretely relates to plastics lead sealing structure fastener.

Background

Products in the existing instrument and meter industry are all provided with lead sealing structures, and unauthorized persons cannot open the products at will, taking an electric energy meter as an example, the electric energy meter comprises a meter cover and a base, the meter cover and the base are assembled through metal screws, in order to prevent the screws from being screwed out, one way is to lock the metal screws and the electric energy meter by passing lead sealing wires through the metal screws and through holes on the meter cover (the base); another way is to install a plastic lead seal fixedly connected with the meter cover above the metal screw, wherein the plastic lead seal is used for shielding the metal screw and can be screwed out after being damaged. Because two parts (metal screw and lead sealing wire, metal screw and plastic lead sealing) are needed to assemble the meter cover and the base, the assembly is more complicated, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that the instrument and meter among the prior art needs two spare parts just can be with table lid and base assembly, complex assembly, manufacturing cost height to a plastics lead sealing structure fastener that the assembly is swift convenient, low in production cost is provided.

Therefore, the utility model provides a plastics lead sealing structure fastener, include: the plastic lead sealing piece is suitable for assembling a meter cover and a base of a meter, the plastic lead sealing piece is provided with a main body part and a connecting part which are integrally formed, the main body part is connected with the meter cover, the connecting part extends towards the direction of the base, and the end part of the connecting part is provided with an elastic buckling part assembled with the base; wherein, the plastic lead sealing piece can be separated from the base only after being damaged.

The meter cover and the base are respectively provided with a first perforation and a second perforation which are communicated up and down and used for the connection part to penetrate through, a step which is abutted against the bottom surface of the main body part is arranged above the side wall of the first perforation, and the bottom surface of the side wall of the second perforation is abutted against the elastic buckling part.

The elastic buckling part is formed to facilitate the elastic deformation of the connecting part so as to be inserted into the guide inclined plane of the second through hole.

The connecting parts are two.

The middle of the two connecting parts is provided with a groove.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a plastics lead sealing structure fastener owing to only can be with table lid and base assembly through a plastics lead sealing, and this plastics lead sealing need destroy the back, just can be with table lid and base separation, compares with prior art through the mode that two spare parts realized assembly and lead sealing, and the structure is simpler like this, and the assembly is swiftly convenient, has improved assembly efficiency, has reduced manufacturing cost.

2. The utility model provides a plastics lead sealing structure fastener, elasticity buckle portion shaping are favorable to connecting portion elastic deformation, in order to insert the fenestrate direction inclined plane of second to make things convenient for plastics lead sealing spare and base rapid Assembly.

3. The utility model provides a plastics lead sealing structure fastener has the recess in the middle of two connecting portion to do benefit to connecting portion elastic deformation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a plastic lead sealing structure fastening device;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is a schematic structural view of a plastic lead seal.

Description of reference numerals: 1. a watch cover; 11. a first perforation; 12. a step; 2. a base; 21. a second perforation; 3. a plastic lead seal; 31. a main body portion; 32. a connecting portion; 33. an elastic buckling part; 34. a guide slope; 35. and (4) a groove.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Examples

The present embodiment provides a plastic lead seal structure fastening device, as shown in fig. 1-3, comprising a plastic lead seal 3 adapted to assemble a bezel 1 and a base 2 of a meter.

As shown in fig. 2, the watch cover 1 and the base 2 are respectively formed with a first through hole 11 and a second through hole 21 which are communicated with each other in the up-down direction and through which the plastic lead seal 3 passes.

As shown in fig. 2 and 3, the plastic lead seal 3 has a main body 31 and a connecting portion 32 that are integrally formed, the main body 31 is connected to the bezel 1, the connecting portion 32 extends toward the base 2, and an end portion thereof is provided with an elastic buckling portion 33 that is assembled with the base 2; wherein, the plastic lead sealing piece 3 can separate the meter cover 1 from the base 2 only after being damaged. A step 12 abutting against the bottom surface of the main body 31 is provided above the side wall of the first through hole 11, and the bottom surface of the side wall of the second through hole 21 abuts against the elastic buckling part 33. The elastic latching portion 33 is shaped to facilitate the elastic deformation of the connecting portion 32 to insert the guiding slope 34 of the second through hole 21. In this embodiment, there are two connecting portions 32, and a groove 35 is formed in the middle of the two connecting portions 32.

The utility model provides a plastics lead sealing structure fastener because only can be with table lid 1 and base 2 assembly through a plastics lead sealing 3, and this plastics lead sealing 3 need destroy the back, just can separate table lid 1 and base 2, compares with prior art through the mode that two spare parts realized lead sealing, and the structure is simpler like this, and the assembly is swift convenient, has improved assembly efficiency, has reduced manufacturing cost.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A plastic lead sealing structure fastening device is characterized by comprising:

the plastic lead seal (3) is suitable for assembling a meter cover (1) and a base (2) of a meter, the plastic lead seal (3) is provided with a main body part (31) and a connecting part (32) which are integrally formed, the main body part (31) is connected with the meter cover (1), the connecting part (32) extends towards the base (2), and the end part of the connecting part is provided with an elastic buckling part (33) assembled with the base (2); wherein, the plastic lead sealing piece (3) can separate the meter cover (1) from the base (2) only after being damaged.

2. The plastic lead sealing structure fastening device according to claim 1, wherein the cover (1) and the base (2) are respectively formed with a first through hole (11) and a second through hole (21) which are communicated with each other up and down and through which the connecting portion (32) passes, a step (12) which abuts against the bottom surface of the main body portion (31) is arranged above the side wall of the first through hole (11), and the bottom surface of the side wall of the second through hole (21) abuts against the elastic buckling portion (33).

3. The plastic lead seal fastening device of claim 2, wherein the resilient catch portion (33) is shaped to facilitate resilient deformation of the connecting portion (32) for insertion into a guide ramp (34) of the second aperture (21).

4. A plastic lead seal fastening device according to claim 2 or 3, characterized in that there are two of said connecting portions (32).

5. A plastic lead seal fastening device according to claim 4, characterized in that the two connecting parts (32) have a groove (35) in between.