CN213658815U

CN213658815U - Electric meter box

Info

Publication number: CN213658815U
Application number: CN202021218411.5U
Authority: CN
Inventors: 马汝华
Original assignee: Ningbo Aux High Tech Co Ltd
Current assignee: Ningbo Aokes Intelligent Technology Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-07-09
Anticipated expiration: 2030-06-28

Abstract

The utility model relates to an electric meter box, which comprises a base, wherein the front side of the base is open; the meter box cover is arranged at the opening of the base and used for opening or closing the opening; the method is characterized in that: the utility model discloses a lead seal screw of meter box cover, including table case lid, flange and recess, the circumference of table case lid is provided with the complex flange of pegging graft and recess on the local matching on the surface that contacts between the base, the table case lid is opened and is equipped with first mounting hole, the second mounting hole has been seted up on the base flange and recess are in under the cooperation state of pegging graft, first mounting hole and second mounting hole are in the alignment state to supply the lead seal screw to insert between them. Only when the flange and the groove are in the inserting matching state, the first mounting hole in the meter box cover and the second mounting hole in the base are in the aligning state, and only the lead sealing screw needs to be inserted, so that the problem that the mounting hole in the meter box cover in the background technology is difficult to align with the mounting hole in the base, and the lead sealing screw is difficult to mount is solved, and the structure is more reasonable.

Description

Electric meter box

Technical Field

The utility model relates to an ammeter case.

Background

The electric meter box is a device for assembling switch equipment, a measuring instrument, protective electric appliances and auxiliary equipment in a sealed box according to the electric wiring requirement, and the electric meter box is a box for protecting an electric energy meter.

Present ammeter case, like chinese utility model patent "an ammeter case", its patent number is CN201621162009.3 (the grant bulletin number is CN206235641U) and discloses an ammeter case, including box and case lid, the case lid corresponds the ammeter with wiring switch is provided with observation hole and operating window respectively, be provided with transparent observation piece on the observation hole, operating window's the outside is equipped with the protective cover that can open, the protective cover with be provided with the locking structure between the case lid, the locking structure is including the shaping padlock spare of case lid top is in with the shaping is in be used for on the protective cover and hold padlock spare's connecting hole to and fixed connection in between box and the case lid be used for with padlock spare forms the lead sealing screw of lead sealing structure complex.

Box and case lid pass through the lead sealing screwed connection in the above-mentioned patent, specifically, correspond on box and the case lid and set up the mounting hole that supplies the lead sealing screwed installation, but at actual installation, because the ammeter case is bulky, the mounting hole of box and case lid is difficult to align completely, and the dislocation appears easily in mounting hole between them promptly, so, leads to the unable condition of fixing in place of lead sealing screw, has increased the installation degree of difficulty.

Therefore, further improvements to existing electricity meter boxes are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to the current situation of above-mentioned prior art, a make things convenient for ammeter case of lead sealing screw installation is provided.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: an electric meter box comprises

A base, a front side of which is open;

the meter box cover is arranged at the opening of the base and used for opening or closing the opening;

the method is characterized in that: the utility model discloses a lead seal screw of meter box cover, including table case lid, flange and recess, the circumference of table case lid is provided with the complex flange of pegging graft and recess on the local matching on the surface that contacts between the base, the table case lid is opened and is equipped with first mounting hole, the second mounting hole has been seted up on the base flange and recess are in under the cooperation state of pegging graft, first mounting hole and second mounting hole are in the alignment state to supply the lead seal screw to insert between them.

The meter box cover can be directly buckled at the opening, and can also adopt a rotating connection mode, but preferably, one of the left side and the right side of the meter box cover is rotatably arranged on the corresponding position of the base, and the other side of the meter box cover is connected on the base through lead sealing screws.

In order to enable the butt joint of the base and the meter box cover to be more accurate, the flange extends along the circumferential direction and is annular, the flange is arranged on the surface of the meter box cover contacted with the base, correspondingly, the groove is annular and is arranged on the surface of the base contacted with the meter box cover.

The flange may be formed in various forms, but preferably, the flange is formed by recessing the watch case cover rearward, and a gap for receiving the seal ring is formed between the flange and the groove.

In order to realize the rotation connection of table case lid and base, the right side border of table case lid is provided with first connecting portion, correspondingly, the right side border of base is provided with the second connecting portion unanimous with the extending direction of first connecting portion, correspond on first connecting portion and the second connecting portion and seted up supply the installation axle to install in it and with installation axle normal running fit's shaft hole.

In order to conveniently realize the insertion fit between the installation shaft and the shaft hole, the second connecting part is arranged below the first connecting part, and a limiting rib for limiting the rotation of the installation shaft is arranged in the shaft hole of the second connecting part. So, prevent when first connecting portion and second connecting portion butt joint not good, appear the installation axle and hardly insert the problem of establishing, reached the convenient effect of cartridge.

Preferably, a substantially C-shaped blocking edge is convexly arranged on the periphery of the first mounting hole on the front surface of the watch case cover, and a through hole for a lead sealing line of a lead sealing screw to pass through is formed in the blocking edge. Thus, dust, water, etc. are prevented from entering the mounting hole.

Preferably, the meter box cover is provided with an opening, and a flip cover for opening or closing the opening is arranged on the meter box cover at a position corresponding to the opening.

In order to realize being connected of flip and table case lid, flip's first side is rotated and is set up table case lid corresponds on the open-ended position, flip's second side with the matching is provided with looks grafting complex socket and first convex part between the table case lid, is provided with the second convex part on the flip that is provided with the socket or table case lid, the second convex part is close to the socket is arranged first convex part is inserted and is established under the intraoral state of socket, the second convex part is arranged side by side with first convex part basically, just the second convex part corresponds with first convex part and offers the through hole that supplies lead sealing line to pass.

In order to realize the fastness that flip and table case lid are connected, first convex part forms on flip's the front surface, the socket is seted up on the flip, the second convex part forms on one side border of socket, and be located on flip's the front surface.

Compared with the prior art, the utility model has the advantages of: the matching is provided with flange and recess on the composition surface between table case lid and the base in this ammeter case, when table case lid is established on the base, only be in under the cooperation state of pegging graft when flange and recess, the second mounting hole on first mounting hole that the table case was covered and the base is in the state of aliging, only need with lead sealing screw insert can, make things convenient for the installation of follow-up lead sealing screw promptly, overcome mounting hole and the base on the mounting hole of table case lid in the background art and hardly alignd, thereby lead to the problem of lead sealing screw installation difficulty, its structure is reasonable more.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic perspective exploded view of FIG. 1;

FIG. 3 is a sectional view of the present embodiment;

FIG. 4 is a cross-sectional view of FIG. 1

FIG. 5 is a cross-sectional view at another angle of FIG. 1;

fig. 6 is a schematic structural diagram of the flip cover in fig. 1;

FIG. 7 is a schematic view of the structure of FIG. 6 at another angle;

FIG. 8 is a schematic structural view of the watch cover of FIG. 1;

FIG. 9 is a schematic structural view of the base of FIG. 1;

fig. 10 is a cross-sectional view of another angle of the present embodiment.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 10, the electric meter box of the embodiment of the present invention includes a meter box cover 1 and a base 2 arranged in sequence from front to back.

As shown in fig. 9, the front side of the base 2 is opened, and as shown in fig. 1 and 2, a meter box cover 1 is provided at the opening of the base 2 for opening or closing the opening. As shown in fig. 1, the right side of the meter case cover 1 is rotatably disposed on the corresponding position of the base 2, and the left side of the meter case cover 1 is connected to the base 2 through a lead seal screw.

As shown in fig. 3, a flange 13 and a groove 21 which are matched and matched with each other in an insertion manner are arranged on a surface where the periphery of the meter box cover 1 and the base 2 are contacted, specifically, as shown in fig. 8, the flange 13 extends along the periphery and is annular, the flange 13 is arranged on a surface where the meter box cover 1 and the base 2 are contacted, the flange 13 is formed by recessing the meter box cover 1 backwards, and correspondingly, as shown in fig. 9, the groove 21 is annular and is arranged on a surface where the base 2 and the meter box cover 1 are contacted. Two first mounting holes 14 which are arranged at an upper and lower interval are formed in the left side of the meter box cover, and second mounting holes 24 are formed in the left side of the base 2 at positions corresponding to the first mounting holes 14, as shown in fig. 10, when the flange 13 and the groove 21 are in a splicing matching state, the first mounting holes 14 are aligned with the corresponding second mounting holes 24, so that subsequent lead sealing screws can be conveniently inserted into the first mounting holes 14 and the second mounting holes 24, in addition, a gap B for accommodating the sealing ring 5 is reserved between the flange 13 and the groove 21, and when the sealing ring 5 is located in the gap B, the sealing connection between the meter box cover and the base is formed.

In addition, in order to prevent dust, water and the like from entering the first mounting hole 14, as shown in fig. 2 and 10, a substantially C-shaped blocking edge 15 is protruded on the periphery of the first mounting hole 14 on the front surface of the meter box cover 1, and a through hole 151 for passing a lead sealing line of a lead sealing screw is formed on the blocking edge 15.

In order to realize the rotatable connection between the meter box cover 1 and the base 2, as shown in fig. 1 and fig. 2, the right side edge of the meter box cover 1 is provided with a first connecting portion 16, correspondingly, the right side edge of the base 2 is provided with a second connecting portion 22 which is consistent with the extending direction of the first connecting portion 16, and the first connecting portion 16 and the second connecting portion 22 are correspondingly provided with shaft holes for the installation of the installation shaft 4 therein and the rotation fit of the installation shaft 4. Specifically, the second connecting portion 22 is located below the first connecting portion 16, and a limiting rib 221 for limiting the rotation of the mounting shaft 4 is disposed in the shaft hole of the second connecting portion 22, that is, the mounting shaft 4 and the second connecting portion 22 are fixed relatively, as shown in fig. 4. In this way, the mounting shaft 4 is restricted in the shaft hole of the second connecting portion 22, and the first connecting portion 16 rotates relative to the mounting shaft 4.

As shown in fig. 2, the meter box cover 1 has an opening 11, specifically, the meter box cover 1 is recessed rearward to form a cavity 10, the opening 11 is opened on a rear wall of the cavity 10, and in a state where the flip cover 3 is placed over the opening 11, a front surface of the flip cover 3 is substantially flush with a front surface of the meter box cover 1, as shown in fig. 3.

In order to prevent water and dust from entering the cavity 10, as shown in fig. 2 and 3, a first annular convex wall 111 extends forward along the periphery of the opening 11, a second convex wall 101 is formed forward along the rear wall of the cavity 10 and located at the periphery of the first convex wall 111, an annular groove 102 is formed between the first convex wall 111 and the second convex wall 101, and correspondingly, the rear surface of the flip cover 3 extends backward to form an annular insert plate 33 which is in inserted fit with the annular groove 102. In addition, as shown in fig. 2 and 3, a rib 103 extending laterally left and right is provided in the cavity 10 above the opening 11, a slot 104 is formed between the rib 103 and the second protruding wall 101, a blocking rib 34 in mating engagement with the slot 104 is formed on the rear surface of the flip 3 at a position corresponding to the slot 104, and in a state where the flip 3 is mounted on the cavity 10, the insertion plate 33 is located in the annular groove 102, and the blocking rib 34 is located in the slot 104, as shown in fig. 3.

The flip 3 and the meter box cover 1 are mounted in various ways, and may be in the form of a snap, in this embodiment, as shown in fig. 2 to 5, the upper side of the flip 3 is rotatably disposed at a position corresponding to the opening 11 of the meter box cover 1, as shown in fig. 4, 6 and 7, a socket 31 and a first protrusion 12 which are in plug fit are disposed on a joint surface between the lower side of the flip 3 and the meter box cover 1, and the flip 3 is used to open or close the opening 11. Specifically, the first protrusion 12 is formed on the front surface of the meter box cover 1 facing the flip 3, as shown in fig. 1 and 2, an extension plate 30 is formed by extending downward at a position adjacent to the middle of the lower edge of the flip 3, a socket 31 is formed on the extension plate 30, a second protrusion 32 is provided on the front surface of the extension plate 30 on one side edge of the socket 31, as shown in fig. 4, in a state where the first protrusion 12 is inserted into the socket 31, the second protrusion 32 is substantially arranged side by side with the first protrusion 12, and the second protrusion 32 is provided with a through hole a corresponding to the first protrusion 12 for a lead sealing wire to pass through. Because the first convex part 12 is arranged on the meter box cover 1, the second convex part 32 is arranged on the flip cover 3, and the first convex part 12 is arranged opposite to the second convex part 32 after passing through the jack 31 on the flip cover 3, therefore, the lead sealing wire passes through the through holes of the first convex part 12 and the second convex part 32 to realize the connection of the meter box cover 1 and the flip cover 3, the connection is firmer, and the possibility of the flip cover shaking relative to the cover body is reduced.

In order to limit the forward movement of the lid, as shown in fig. 2 and 3, a limiting part 121 for limiting the forward movement of the lid 3 relative to the case cover 1 is formed by extending upward an upper part of the first convex part 12, and in a state where the first convex part 12 is inserted into the insertion opening 31, the limiting part 121 is located in front of the insertion opening 31, and a rear part of the limiting part 121 abuts against a top edge of the insertion opening 31. In this way, the extension plate 30 is limited on the opening 11, and the forward movement of the flip cover is limited to a certain extent.

In order to facilitate the pulling of the flip cover to open the opening, as shown in fig. 1 to 7, the lower portion of the extension plate 30 is folded forward and extended downward to form a handle portion 301, and a space is left between the handle portion 301 and the meter box cover 1, so that a hand can be inserted into the space to pull the handle portion 301. In order to reinforce the strength of the extension plate 30, as shown in fig. 7, the front surface of the extension plate 30 is provided with reinforcing ribs 302 at positions adjacent to the upper portion, and the reinforcing ribs 302 are two and arranged at a left-right interval.

Directional terms such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the present invention, but these terms are used herein for convenience of description only and are determined based on example orientations shown in the drawings. Because the disclosed embodiments may be arranged in different orientations, these directional terms are for illustrative purposes only and should not be construed as limiting, and for example, "upper" and "lower" are not necessarily limited to orientations opposite or consistent with the direction of gravity.

Claims

1. An electric meter box comprises

A base (2) whose front side is open;

the meter box cover (1) is arranged at an opening of the base (2) and used for opening or closing the opening;

the method is characterized in that: the utility model discloses a lead sealing screw of meter box cover, including base (2), first mounting hole (14) has been seted up to table case lid (1), first mounting hole (14) has been seted up to the matching on the surface that contacts between the week of table case lid (1) and base (2), second mounting hole (24) have been seted up on base (2) flange (13) and recess (21) are in under the grafting cooperation state, first mounting hole (14) and second mounting hole (24) are in alignment state to supply lead sealing screw to insert in both.

2. An electricity meter box according to claim 1, characterized in that: one of the left side and the right side of the meter box cover (1) is rotatably arranged on the corresponding position of the base (2), and the other side of the meter box cover (1) is connected to the base (2) through the lead seal screw.

3. An electricity meter box according to claim 1, characterized in that: the flange (13) extends along the circumferential direction and is annular, the flange (13) is arranged on the surface of the meter box cover (1) contacted with the base (2), correspondingly, the groove (21) is annular and is arranged on the surface of the base (2) contacted with the meter box cover (1).

4. An electricity meter box according to claim 3, characterized in that: the flange (13) is formed by backward sinking of the watch box cover (1), and a gap (B) for accommodating the sealing ring (5) is formed between the flange (13) and the groove (21).

5. An electricity meter box according to claim 2, characterized in that: the right side border of table case lid (1) is provided with first connecting portion (16), correspondingly, the right side border of base (2) is provided with second connecting portion (22) unanimous with the extending direction of first connecting portion (16), correspond on first connecting portion (16) and second connecting portion (22) and seted up supply the installation axle to install in it and with installation axle (4) normal running fit's shaft hole.

6. An electricity meter box according to claim 5, characterized in that: the second connecting portion (22) is located below the first connecting portion (16), and a limiting rib (221) limiting rotation of the mounting shaft (4) is arranged in a shaft hole of the second connecting portion (22).

7. An electricity meter box according to claim 1, characterized in that: the front surface of the watch box cover (1) is convexly provided with a C-shaped blocking edge (15) at the periphery of the first mounting hole (14), and the blocking edge (15) is provided with a through hole (151) for a lead sealing line of a lead sealing screw to pass through.

8. An electricity meter box according to any of claims 1-7, characterized in that: the meter box cover (1) is provided with an opening (11), and the meter box cover (1) is provided with a flip cover (3) used for opening or closing the opening (11) at a position corresponding to the opening (11).

9. An electricity meter box according to claim 8, wherein: the first side of flip (3) rotates to be set up table case lid (1) corresponds on the position of opening (11), the second side of flip (3) with the matching is provided with looks grafting complex socket (31) and first convex part (12) between table case lid (1), is provided with second convex part (32) on flip (3) or table case lid (1) that are provided with socket (31), second convex part (32) are close to socket (31) are arranged first convex part (12) are inserted and are established under the state in socket (31), second convex part (32) and first convex part (12) are arranged side by side, just through mouth (A) that supplies lead sealing line to pass is seted up in second convex part (32) and first convex part (12) correspondence.

10. An electricity meter box according to claim 9, characterized in that: first convex part (12) form on the front surface of flip (3), socket (31) are seted up on flip (3), second convex part (32) form on one side border of socket (31), and are located on the front surface of flip (3).