CN219348970U - Electric energy meter convenient to assembly - Google Patents

Abstract

The utility model discloses an electric energy meter convenient to assemble, which comprises a rear shell component, a circuit board and a front shell component, wherein the circuit board is fixed in the rear shell component, the front shell component is fixed at the front end of the rear shell component, a plurality of buckles distributed at intervals from top to bottom are arranged on the left side and the right side of the rear end of the front shell component, clamping blocks corresponding to the buckles one by one are arranged on the inner wall of the rear shell component, and after the front shell component is assembled on the rear shell component, the buckles are matched and clamped with the clamping blocks at corresponding positions; the left side and the right side of the upper end of the front shell component are respectively provided with a countersink, the upper end of the rear shell component is provided with a threaded hole corresponding to each countersink one by one, and the front shell component is fixed with the rear shell component through a screw penetrating the countersink and in threaded connection with the threaded hole; the utility model can pre-fix the front shell component and the rear shell component, thereby bringing convenience for fixing the front shell component and the rear shell component by the screw.

Description

Electric energy meter convenient to assembly

Technical Field

The utility model relates to the technical field of electric energy meters, in particular to an electric energy meter convenient to assemble.

Background

The electric energy meter is the device that is used for carrying out the measurement to the power consumption, and electric energy meter on the market at present includes backshell subassembly, circuit board and preceding shell subassembly, and the circuit board is fixed in the backshell subassembly, and preceding shell subassembly is fixed in the front end of backshell subassembly, however in the electric energy meter on the market at present, does not possess pre-fixation structure between preceding shell subassembly and the backshell subassembly to when fixing preceding shell subassembly and backshell subassembly through the screw, the counter bore that is located preceding shell subassembly hardly aligns with the screw hole one by one that is located on the backshell subassembly, can bring inconvenience for the screw to the fixed of preceding shell subassembly and backshell subassembly promptly.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the electric energy meter which is convenient to assemble, and the electric energy meter can pre-fix the front shell component and the rear shell component, so that convenience can be brought to fixing of the front shell component and the rear shell component by the screws.

The utility model relates to an electric energy meter convenient to assemble, which comprises a rear shell component, a circuit board and a front shell component, wherein the circuit board is fixed in the rear shell component, the front shell component is fixed at the front end of the rear shell component, a plurality of buckles distributed at intervals from top to bottom are arranged on the left side and the right side of the rear end of the front shell component, clamping blocks which correspond to the buckles one by one are arranged on the inner wall of the rear shell component, and each buckle is matched and clamped with the clamping block at the corresponding position after the front shell component is assembled on the rear shell component; the left and right sides of preceding shell subassembly upper end all is provided with the counter bore, and the upper end of backshell subassembly is provided with the screw hole with every counter bore one-to-one, and preceding shell subassembly is fixed with the backshell subassembly through wearing to establish in the counter bore and with screw hole threaded connection's screw.

According to the utility model, after the structure is adopted, when the front shell component and the rear shell component are fixed, the elastic buckle on the front shell component can be in one-to-one fit and clamping connection with the clamping block on the rear shell component, so that the pre-fixing of the front shell component and the rear shell component can be realized, and after the front shell component and the rear shell component are pre-fixed, the countersunk holes on the front shell component can be aligned with the threaded holes on the rear shell component one by one, so that convenience is brought to the fixing of the front shell component and the rear shell component by the screws.

The electric energy meter convenient to assemble comprises a plurality of clamping blocks, wherein the inner walls of a rear shell component above and below each clamping block are respectively provided with a convex rib, each convex rib extends forwards and backwards, a slot is formed between the convex ribs above and below each clamping block, each elastic buckle is inserted into the slot at the corresponding position, and after the elastic buckle is inserted into the slot at the corresponding position, the upper side edge and the lower side edge of the elastic buckle are respectively abutted against the convex ribs on the upper side and the lower side of the slot; through adopting this kind of structure, when preceding shell subassembly and backshell subassembly are assembled, every bullet is detained and is all inserted in the slot on the corresponding position, and after the bullet is detained and is inserted in the slot on the corresponding position, the last side and the lower side that the bullet was detained can offset with the protruding muscle of slot upper and lower both sides respectively and lean on to realize the spacing to the bullet knot, can also bring the convenience for the cooperation joint of bullet knot and fixture block, and can improve the firmness and the reliability after bullet knot and fixture block cooperation joint, and then can improve the reliability after preceding shell subassembly and the backshell subassembly assembly.

The electric energy meter convenient to assemble is characterized in that the front end of each convex rib is provided with a guide surface towards one side of the slot at the corresponding position, and the guide surface is used for guiding with the side wall of the snap fastener in a matched manner so as to facilitate the insertion of the snap fastener into the slot; through adopting this kind of structure, when preceding shell subassembly and backshell subassembly are assembled, the lateral wall that every bullet was detained all can with correspond the guide surface cooperation direction in order to detain in inserting the slot, can bring the convenience for the cooperation joint of bullet knot and fixture block promptly.

The electric energy meter convenient to assemble is characterized in that a reinforcing groove is formed in the middle of each clamping block in the up-down direction; after the reinforcing groove is formed in the clamping block, the fracture resistance strength of the clamping block can be improved, namely the structural strength of the clamping block can be improved.

The electric energy meter convenient to assemble is characterized in that the rear end of the front shell component is provided with the annular locating rib, the front end of the rear shell component is provided with the annular locating groove corresponding to the annular locating rib, and the annular locating rib is embedded in the annular locating groove; through adopting this kind of structure, after preceding shell subassembly and backshell subassembly assembly, the annular location muscle that is located on the preceding shell subassembly can imbed in the annular constant head tank that is located on the backshell subassembly to can realize the further positioning action to preceding shell subassembly and backshell subassembly, in order to avoid preceding shell subassembly to appear the condition that moves relative backshell subassembly, can improve the reliability after preceding shell subassembly and backshell subassembly are fixed.

The utility model relates to an electric energy meter convenient to assemble, wherein the front end of a rear shell component is provided with two positioning columns which are bilaterally symmetrical, the rear end of the front shell component is provided with positioning holes which are in one-to-one correspondence with each positioning column, and each positioning column is inserted into the positioning hole at the corresponding position; through adopting this kind of structure, after preceding shell subassembly and backshell subassembly assembly, the locating hole that is located on the preceding shell subassembly can be pegged graft with the reference column cooperation that is located on the backshell subassembly to can realize the further positioning action to preceding shell subassembly and backshell subassembly, in order to avoid preceding shell subassembly to appear the condition that moves relative backshell subassembly, can improve the reliability after preceding shell subassembly and backshell subassembly are fixed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a first partially exploded perspective view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A;

FIG. 4 is a schematic view of a second partially exploded perspective view of the present utility model;

fig. 5 is an enlarged schematic view of the structure at B in fig. 4.

Detailed Description

Various embodiments of the utility model are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the utility model. That is, in some embodiments of the utility model, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.

In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the utility model solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

As shown in fig. 1-5, the electric energy meter convenient to assemble comprises a rear shell component 1, a circuit board 2 and a front shell component 3, wherein the circuit board 2 is fixed in the rear shell component 1, the front shell component 3 is fixed at the front end of the rear shell component 1, a plurality of buckles 31 which are distributed at intervals from top to bottom are arranged on the left side and the right side of the rear end of the front shell component 3, clamping blocks 11 which are in one-to-one correspondence with each buckle 31 are arranged on the inner wall of the rear shell component 1, and each buckle 31 is matched and clamped with the clamping block 11 in the corresponding position after the front shell component 3 is assembled on the rear shell component 1; the left and right sides of preceding shell subassembly 3 upper end all is provided with counter sunk hole 32, and the upper end of backshell subassembly 1 is provided with the screw hole 12 with every counter sunk hole 32 one-to-one, and preceding shell subassembly 3 is fixed with backshell subassembly 1 through the screw that wears to establish in counter sunk hole 32 and with screw hole 12 threaded connection.

Convex ribs 13 are arranged on the inner wall of the rear shell component 1 above and below each clamping block 11, each convex rib 13 extends forwards and backwards, a slot 14 is formed between the convex ribs 13 above and below each clamping block 11, each elastic buckle 31 is used for being inserted into the slot 14 at the corresponding position, and after the elastic buckle 31 is inserted into the slot 14 at the corresponding position, the upper side edge and the lower side edge of the elastic buckle 31 are respectively used for propping against the convex ribs 13 at the upper side and the lower side of the slot 14; through adopting this kind of structure, when preceding shell subassembly and backshell subassembly are assembled, every bullet is detained and is all inserted in the slot on the corresponding position, and after the bullet is detained and is inserted in the slot on the corresponding position, the last side and the lower side that the bullet was detained can offset with the protruding muscle of slot upper and lower both sides respectively and lean on to realize the spacing to the bullet knot, can also bring the convenience for the cooperation joint of bullet knot and fixture block, and can improve the firmness and the reliability after bullet knot and fixture block cooperation joint, and then can improve the reliability after preceding shell subassembly and the backshell subassembly assembly.

A guide surface 15 is arranged at the front end of each convex rib 13 and towards one side of the slot 14 at the corresponding position, and the guide surface 15 is used for guiding with the side wall of the snap 31 in a matched manner so as to facilitate the insertion of the snap 31 into the slot 14; through adopting this kind of structure, when preceding shell subassembly and backshell subassembly are assembled, the lateral wall that every bullet was detained all can with correspond the guide surface cooperation direction in order to detain in inserting the slot, can bring the convenience for the cooperation joint of bullet knot and fixture block promptly.

A reinforcing groove 16 is formed in the middle of each clamping block 11 in the up-down direction; after the reinforcing groove is formed in the clamping block, the fracture resistance strength of the clamping block can be improved, namely the structural strength of the clamping block can be improved.

The rear end of the front shell component 3 is provided with an annular positioning rib 33, the front end of the rear shell component 1 is provided with an annular positioning groove 17 corresponding to the annular positioning rib 33, and the annular positioning rib 33 is embedded in the annular positioning groove 17; through adopting this kind of structure, after preceding shell subassembly and backshell subassembly assembly, the annular location muscle that is located on the preceding shell subassembly can imbed in the annular constant head tank that is located on the backshell subassembly to can realize the further positioning action to preceding shell subassembly and backshell subassembly, in order to avoid preceding shell subassembly to appear the condition that moves relative backshell subassembly, can improve the reliability after preceding shell subassembly and backshell subassembly are fixed.

The front end of the rear shell component 1 is provided with two positioning columns 18 which are bilaterally symmetrical, the rear end of the front shell component 3 is provided with positioning holes 34 which are in one-to-one correspondence with each positioning column 18, and each positioning column 18 is inserted into the positioning hole 34 at the corresponding position; through adopting this kind of structure, after preceding shell subassembly and backshell subassembly assembly, the locating hole that is located on the preceding shell subassembly can be pegged graft with the reference column cooperation that is located on the backshell subassembly to can realize the further positioning action to preceding shell subassembly and backshell subassembly, in order to avoid preceding shell subassembly to appear the condition that moves relative backshell subassembly, can improve the reliability after preceding shell subassembly and backshell subassembly are fixed.

The foregoing description is only illustrative of the utility model and is not to be construed as limiting the utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principles of the present utility model, should be included in the scope of the claims of the present utility model.

Claims (6)

1. The utility model provides an electric energy meter convenient to assembly, includes backshell subassembly (1), circuit board (2) and preceding shell subassembly (3), circuit board (2) are fixed in backshell subassembly (1), preceding shell subassembly (3) are fixed in the front end of backshell subassembly (1), its characterized in that: the left side and the right side of the rear end of the front shell component (3) are respectively provided with a plurality of buckles (31) which are distributed at intervals from top to bottom, the inner wall of the rear shell component (1) is provided with clamping blocks (11) which are in one-to-one correspondence with each buckle (31), and after the front shell component (3) is assembled on the rear shell component (1), each buckle (31) is matched and clamped with the clamping block (11) at the corresponding position; the left and right sides of preceding shell subassembly (3) upper end all is provided with counter sunk hole (32), the upper end of backshell subassembly (1) be provided with every counter sunk hole (32) one-to-one screw hole (12), preceding shell subassembly (3) are fixed with backshell subassembly (1) through wearing the screw that establishes in counter sunk hole (32) and be connected with screw hole (12) screw.

2. The electric energy meter convenient to assemble according to claim 1, wherein ribs (13) are arranged on the inner wall of the rear shell component (1) above and below each clamping block (11), each rib (13) extends forwards and backwards, a slot (14) is formed between the ribs (13) above and below each clamping block (11), each snap (31) is used for being inserted into the slot (14) at the corresponding position, and after the snap (31) is inserted into the slot (14) at the corresponding position, the upper side edge and the lower side edge of the snap (31) are respectively used for propping against the ribs (13) at the upper side and the lower side of the slot (14).

3. The electric energy meter convenient to assemble according to claim 2, characterized in that the front end of each protruding rib (13) and the side facing the slot (14) at the corresponding position are provided with guide surfaces (15), and the guide surfaces (15) are used for being matched and guided with the side walls of the snap fastener (31) so as to facilitate the insertion of the snap fastener (31) into the slot (14).

4. A conveniently assembled electric energy meter according to any of claims 1-3, characterized in that a reinforcing groove (16) is provided in the middle of each of said clamping blocks (11) in the up-down direction.

5. A conveniently assembled electric energy meter according to any of claims 1-3, characterized in that the rear end of the front housing assembly (3) is provided with an annular locating rib (33), the front end of the rear housing assembly (1) is provided with an annular locating groove (17) corresponding to the annular locating rib (33), and the annular locating rib (33) is embedded in the annular locating groove (17).

6. A conveniently assembled electric energy meter according to any of claims 1-3, characterized in that the front end of the back shell assembly (1) is provided with two positioning posts (18) which are bilaterally symmetrical, the rear end of the front shell assembly (3) is provided with positioning holes (34) corresponding to each positioning post (18) one by one, and each positioning post (18) is inserted into a positioning hole (34) in a corresponding position.

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