One-position electric meter box

Abstract

The utility model relates to a one-position electric meter box, which comprises a box shell, an installation cavity is arranged in the box shell, and a box cover for sealing the installation cavity is arranged on the box shell. An electric energy meter, a wire inlet switch and a wire outlet switch are arranged in the mounting cavity, and the wire inlet switch and the wire outlet switch are both located below the electric energy meter; the upper part of the box cover is provided with an electric energy meter visual window, the lower part of the box cover is provided with a groove, the groove is internally provided with hollow-out grooves for exposing the wire inlet switch and the wire outlet switch, the box cover is also rotatably connected with a cover plate for covering the groove, and the cover plate is correspondingly provided with a wire inlet switch visual window and a wire outlet switch visual window; a hanging lock catch is arranged on the surface, facing the cover plate, of the groove and located below the hollowed-out groove, an insertion hole for the hanging lock catch to be inserted is correspondingly formed in the surface, facing the groove, of the cover plate, and the hanging lock catch is locked through a padlock after being inserted into the insertion hole. The safety operability is guaranteed, the overall structural design layout is reasonable, the wire inlet switch and the wire outlet switch can be operated without disassembling or opening the whole box cover, and the electric energy meter can be well protected.

Description

Technical Field

[0001] The utility model relates to the technical field of electric meter boxes, and more specifically, to a single-phase electric meter box. Background Art

[0002] Electric meter boxes are usually installed in residential, commercial and industrial electricity consumption sites, and play an important role in measuring and power distribution in the power system. A meter position refers to a metering point of an electric energy meter installed in an electric meter box. Usually, one meter position corresponds to one electricity user. The size of the single-phase electric meter box in the prior art is usually not too large, which is convenient for use and installation. However, most of the single-phase electric meter boxes in the prior art only adopt the structure of connecting a box shell and a box cover. Generally, a viewing window is installed on the box shell to facilitate viewing the electric energy meter. However, if the switch needs to be operated, the entire box cover must be opened or disassembled, which is not only very inconvenient to operate, but also exposes the electric energy meter to the external environment, and impurities such as dust are easy to enter, resulting in insufficient protection for the electric energy meter. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a single-phase electric meter box aiming at the above defects of the prior art.

[0004] The technical solution adopted by the utility model to solve its technical problem is: a single-phase electric meter box, including a box shell, an installation chamber is arranged inside the box shell, and a box cover for closing the installation chamber is arranged on the box shell; an electric energy meter, an incoming line switch and an outgoing line switch are arranged inside the installation chamber, and both the incoming line switch and the outgoing line switch are located below the electric energy meter; a viewing window for the electric energy meter is arranged on the upper part of the box cover, a groove is opened on the lower part of the box cover, a hollow-out groove for exposing the incoming line switch and the outgoing line switch is opened in the groove, a cover plate for covering the groove is rotatably connected to the box cover, and an incoming line switch viewing window and an outgoing line switch viewing window are correspondingly arranged on the cover plate; a padlock buckle is arranged on a surface of the groove facing the cover plate below the hollow-out groove, a jack for inserting the padlock buckle is correspondingly arranged on a surface of the cover plate facing the groove, and after the padlock buckle is inserted into the jack, it is locked by a padlock.

[0005] In some embodiments, clamping blocks are arranged on the upper parts of two opposite inner side walls of the box shell near the box cover, a lock hook groove is opened on the clamping block, and a lock hook correspondingly engaged with the lock hook groove is arranged on the upper part of the box cover.

[0006] In some embodiments, a convex block is arranged on the inner bottom surface of the box shell near the box cover, a fixing screw and a lead seal stud are respectively arranged on a surface of the convex block facing the box cover, a fixing hole for inserting the fixing screw and a lead seal hole for inserting the lead seal stud are correspondingly arranged on the lower part of a surface of the box cover facing the convex block, and the box cover is tightly connected with the box shell through the fixing screw and the lead seal stud.

[0007] In some embodiments, an L-shaped connecting plate is provided on a surface of the cover plate facing the groove. The L-shaped connecting plate includes a horizontal plate and a vertical plate. One end of the horizontal plate is integrally connected to the cover plate, the other end of the horizontal plate is integrally connected to the upper end of the vertical plate. The vertical plate is located below the horizontal plate, and there is a gap between the vertical plate and the cover plate; the jack is opened on the vertical plate.

[0008] In some embodiments, on two opposite inner side walls of the box shell, there are correspondingly provided two ridges located below the clamping blocks. Both of the two ridges are arranged along the front-back direction of the box shell; on a surface of the two ridges facing each other, there are correspondingly opened two clamping grooves, and there is a partition plate between the two clamping grooves. Two opposite side edges of the partition plate are correspondingly clamped into the clamping grooves on the same side.

[0009] In some embodiments, the partition plate divides the installation chamber into an upper chamber and a lower chamber. The electricity meter is arranged in the upper chamber, and the incoming line switch and the outgoing line switch are both arranged in the lower chamber.

[0010] In some embodiments, an inverted T-shaped fixing rib is provided in the upper chamber. A plurality of first installation holes are opened on the inverted T-shaped fixing rib. The electricity meter is fixedly connected to the first installation holes through first fasteners to be installed on the inverted T-shaped fixing rib.

[0011] In some embodiments, a cross-shaped fixing rib is provided in the lower chamber. A plurality of second installation holes are opened on the cross-shaped fixing rib. The incoming line switch and the outgoing line switch are respectively fixedly connected to the corresponding second installation holes through second fasteners to be installed on the cross-shaped fixing rib.

[0012] In some embodiments, an incoming line hole and an outgoing line hole that communicate with the lower chamber are further opened on the bottom surface of the box shell; the incoming line hole is located below the incoming line switch, and the outgoing line hole is located below the outgoing line switch.

[0013] In some embodiments, the box shell is a box shell made of SMC material; the box cover is a box cover made of PC material.

[0014] The beneficial effects of the present utility model are as follows: Different from the prior art, in the electricity meter box of the present utility model, a groove is opened at the lower part of the box cover, and a hollow groove exposing the incoming line switch and the outgoing line switch is opened in the groove. A cover plate covering the groove is also rotatably connected to the box cover. On a surface of the groove facing the cover plate, a padlock catch is provided below the hollow groove. On a surface of the cover plate facing the groove, a jack for inserting the padlock catch is correspondingly provided. After the padlock catch is inserted into the jack, it can be locked with a padlock, ensuring safety and operability. The overall structural design layout is reasonable. It is not necessary to disassemble or open the entire box cover to operate the incoming and outgoing line switches, and it can provide good protection for the electricity meter. Description of the Drawings

[0015] Figure 1It is a side view schematic diagram of a single-phase electric meter box in an embodiment of the present utility model;

[0016] Figure 2 It is a front view schematic diagram of the internal structure of the box shell in an embodiment of the present utility model;

[0017] Figure 3 It is a distribution schematic diagram of each component inside the box shell in an embodiment of the present utility model;

[0018] Figure 4 It is a side view schematic diagram of the internal structure of the box shell in an embodiment of the present utility model;

[0019] Figure 5 It is a front view schematic diagram of the box cover in an embodiment of the present utility model;

[0020] Figure 6 It is a side view schematic diagram of the box cover in an embodiment of the present utility model;

[0021] Figure 7 It is an overall assembly schematic diagram of a single-phase electric meter box in an embodiment of the present utility model;

[0022] Names and serial numbers of the marks in the figure: box shell - 1; box cover - 2; electric energy meter - 3; incoming line switch - 4; outgoing line switch - 5; visible window of electric energy meter - 21; groove - 22; hollow groove - 220; cover plate - 6; visible window of incoming line switch - 61; visible window of outgoing line switch - 62; padlock catch - 7; jack - 8; clamping block - 10; lock catch groove - 101; lock hook - 23; convex block - 11; fixing screw - 110; lead seal stud - 111; fixing hole - 201; lead seal hole - 202; L-shaped connecting plate - 9; horizontal plate - 91; vertical plate - 92; convex strip - 12; clamping groove - 120; partition board - 13; inverted T-shaped fixing rib - 14; first mounting hole - 140; cross-shaped fixing rib - 15; second mounting hole - 150; incoming line hole - 102; outgoing line hole - 103. Detailed implementation manners

[0023] Terms such as "first", "second", "third", and "fourth" in the description, claims, and drawings of the present utility model are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "comprise" and "have" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device that includes a series of steps or units is not limited to the listed steps or units, but optionally further includes steps or units not listed, or optionally further includes other steps or units inherent to these processes, methods, products, or devices.

[0024] Reference to "embodiments" in this document means that the specific features, structures, or characteristics described in connection with the embodiments may be included in at least one embodiment of the present utility model. The phrase appears in various places in the specification and does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein may be combined with other embodiments.

[0025] "Plurality" means two or more. "And / or" describes the relationship between associated objects and indicates that there can be three relationships. For example, A and / or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. The character " / " generally represents an "or" relationship between the associated objects before and after.

[0026] Moreover, terms indicating directions such as "upper, lower, front, rear, left, right, upper end, lower end" etc. are all referenced based on the attitude position of the device or equipment described in this solution during normal use.

[0027] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below. Obviously, the described embodiments are partial embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the protection scope of the present utility model.

[0028] As shown in an embodiment of the present utility model Figures 1 to 7 a one - phase electric meter box includes a box shell 1. An installation chamber is provided inside the box shell 1, and a box cover 2 for closing the installation chamber is provided on the box shell 1. An electric energy meter 3, an incoming - line switch 4, and an outgoing - line switch 5 are provided inside the installation chamber. Both the incoming - line switch 4 and the outgoing - line switch 5 are located below the electric energy meter 3. A visible window 21 for the electric energy meter is provided on the upper part of the box cover 2. A groove 22 is opened on the lower part of the box cover 2. A hollowed - out groove 220 exposing the incoming - line switch 4 and the outgoing - line switch 5 is opened in the groove 22. A cover plate 6 covering the groove 22 is rotatably connected to the box cover 2. An incoming - line switch visible window 61 and an outgoing - line switch visible window 62 are correspondingly provided on the cover plate 6. A padlock catch 7 is provided on a surface of the groove 22 facing the cover plate 6 and below the hollowed - out groove 220. A jack 8 for inserting the padlock catch 7 is correspondingly provided on a surface of the cover plate 6 facing the groove 22. After the padlock catch 7 is inserted into the jack 8, it is locked by a padlock (not shown in the drawings).

[0029] Specifically, in this embodiment, at the upper parts of the left and right inner walls of the box shell 1 near the box cover 2, that is, at the front edge of the box shell 1, there are corresponding clamping blocks 10. A locking hook groove 101 is formed on the clamping block 10. The shape of the locking hook groove 101 is L-shaped, and the opening of the L-shaped locking hook groove 101 faces the inside of the box shell 1 and backs away from the box cover 2. At the corresponding position on the upper part of the box cover 2, there is a locking hook 23 that is engaged with the locking hook groove 101. The hook body of the locking hook 23 faces downward. When the box cover 2 is closed and installed on the box shell 1, apply force from top to bottom to make the locking hook 23 snap into the locking hook groove 101. Hanging wall fixing holes are also provided at the four diagonal positions of the inner wall of the box shell 1 facing the box cover 2.

[0030] Furthermore, in order to increase the tightness and protection of the installation between the box shell 1 and the box cover 2, a convex block 11 is provided at the bottom surface of the box shell 1 near the box cover 2. A fixing screw 110 and a lead seal stud 111 are respectively provided on the surface of the convex block 11 facing the box cover 2. The lead seal stud 111 is located on the left side of the fixing screw 110. At the lower part of the surface of the box cover 2 facing the convex block 11, there are corresponding fixing holes 201 for the fixing screw 110 to insert and lead seal holes 202 for the lead seal stud 111 to insert. The lead seal holes 202 are located on the left side of the fixing holes 201. The box cover 2 is firmly connected to the box shell 1 through the fixing screw 110 and the lead seal stud 111. Among them, after the fixing screw 110 is inserted into the fixing hole 201, it can be positioned by a nut, and after the lead seal stud 111 is inserted in place, lead sealing treatment can be carried out. It should be noted that the fastening connection methods of the fixing screw 110 and the lead seal stud 111 are relatively existing, and can be referred to the existing technology during actual application, so it will not be elaborated here.

[0031] Among them, the upper end of the cover plate 6 is rotatably connected to the box cover 2 through a rotating shaft, so that the cover plate 6 can be turned upward to open, and the opening angle of the cover plate 6 is 0 - 80°. In order to make the outer surface of the box cover 2 beautiful and not obtrusive, a recess is provided on the outer surface of the box cover 2 at the position above the upper end of the groove 22. The rotating shaft is installed in the recess. When the cover plate 6 covers the groove 22, the outer surface of the box cover 2 is a flat surface as a whole.

[0032] Specifically, in this embodiment, an L-shaped connecting plate 9 is provided on one surface of the cover plate 6 facing the groove 22. The L-shaped connecting plate 9 includes a horizontal plate 91 and a vertical plate 92, and the horizontal plate 91 and the vertical plate 92 are integrally connected to form an L-shaped structure. The horizontal plate 91 is perpendicular to the cover plate 6. One end of the horizontal plate 91 is integrally connected to the cover plate 6, and the other end of the horizontal plate 91 is integrally connected to the upper end of the vertical plate 92. The lower end of the vertical plate 92 extends downward. The vertical plate 92 is located below the horizontal plate 91 and parallel to the cover plate 6, and there is a gap between the vertical plate 92 and the cover plate 6. The jack 8 is opened on the vertical plate 92. A through hole for the lock hook of the padlock to penetrate is opened on the padlock buckle 7. After the padlock buckle 7 is inserted into the jack 8, it is locked and tightened by the lock hook of a padlock (not shown in the drawings). Among them, the lower end of the groove 22 penetrates through the bottom surface of the box shell 1. When there is a certain gap between the vertical plate 92 and the cover plate 6, when the vertical plate 92 moves in place and the padlock buckle 7 is inserted into the jack 8, it is convenient to extend the padlock (not shown in the drawings) and achieve the locking installation. It can be understood that the structure of the cooperation and installation of the padlock buckle 7, the jack 8, and the padlock (not shown in the drawings) is the same as the hanging buckle locking structure between the traditional door lock buckle and the door lock.

[0033] Furthermore, on two opposite inner side walls of the box shell 1, there are correspondingly provided two convex strips 12 located below the clamping block 10. Both of the two convex strips 12 are arranged along the front-back direction of the box shell 1; on one surface of the two convex strips 12 facing each other, there is correspondingly opened a clamping groove 120. A partition plate 13 is provided between the two clamping grooves 120. The two opposite side edges of the partition plate 13 are correspondingly clamped into the clamping groove 120 on the same side. The partition plate 13 can move in and out of the clamping groove 120 to achieve the purpose of being detachable. The partition plate 13 divides the installation chamber into an upper chamber and a lower chamber. The electric energy meter 3 is arranged in the upper chamber, and the incoming line switch 4 and the outgoing line switch 5 are both arranged in the lower chamber. The incoming line switch 4 is located on the left side of the outgoing line switch 5. In practical applications, according to the different sizes of the electric energy meter 3, the size of the space for installing the electric energy meter 3 can be adjusted by disassembling and assembling the partition plate 13. The partition plate 13 should also be provided with wire passing holes for the wires for realizing electrical connection between the incoming line switch 4, the outgoing line switch 5, and the electric energy meter 3 to pass through.

[0034] Among them, an inverted T-shaped fixing rib 14 is provided in the upper chamber. The inverted T-shaped fixing rib 14 has three arms, and first mounting holes 140 are opened on all three arms. On the case of the electric energy meter 3, there are correspondingly opened first positioning holes. During installation, the first positioning holes on the electric energy meter 3 are placed corresponding to the first mounting holes 140, and then the electric energy meter 3 can be installed on the inverted T-shaped fixing rib 14 by being tightly connected with the first mounting holes 140 through the first fasteners.

[0035] Among them, a cross-shaped fixing rib 15 is provided in the lower chamber. The cross-shaped fixing rib 15 has four arms, and second mounting holes 150 are formed in both its left and right arms. The incoming line switch 4 and the outgoing line switch 5 are first fixed to a mounting plate, and then second positioning holes are respectively formed on the left and right sides of the mounting plate. Then, the mounting plate can be fixed to the cross-shaped fixing rib 15 through second fasteners. After being installed in place, the incoming line switch 4 is relatively located on the left arm, and the outgoing line switch 5 is relatively located on the right arm. In this embodiment, both the first fastener and the second fastener are screws.

[0036] Furthermore, an incoming line hole 102 and an outgoing line hole 103 that communicate with the lower chamber are also formed in the bottom surface of the box shell 1; the incoming line hole 102 is located below the incoming line switch 4, and the outgoing line hole 103 is located below the outgoing line switch 5.

[0037] In this embodiment, the electric energy meter 3 is a pre-paid intelligent electric energy meter.

[0038] In this embodiment, the box shell 1 is a box shell made of SMC material. The SMC composite material is a poor conductor of heat, has a low high-temperature heat distortion rate, can reduce the influence of environmental temperature difference on the inside of the box body, and can effectively reduce condensation and frosting inside the box body compared with metal materials. The box cover 2 is a box cover made of PC material. The PC material not only has excellent electrical insulation, but also can maintain good dielectric properties at high frequencies, has no electromagnetic effect, and does not reflect electromagnetic waves.

[0039] For the single-phase electric meter box of the embodiment of the present utility model, the overall structural layout is reasonable, which can play a good protective role for the electronic devices in the box shell. The box cover is not easy to open, and while facilitating the viewing of information, it can effectively prevent the electronic devices in the box shell from being randomly touched and damaged.

[0040] It should be understood that for those of ordinary skill in the art, improvements or transformations can be made according to the above description, and all such improvements and transformations should fall within the protection scope of the appended claims of the present utility model.

Claims

1. A single-digit electric meter box, characterized in that: It comprises a box shell, wherein an installation chamber is arranged in the box shell, and a box cover for closing the installation chamber is arranged on the box shell; an electric energy meter, an incoming line switch and an outgoing line switch are arranged in the installation chamber, and the incoming line switch and the outgoing line switch are both located below the electric energy meter; an electric energy meter viewing window is arranged on the upper part of the box cover, a groove is arranged on the lower part of the box cover, and a hollow groove for revealing the incoming line switch and the outgoing line switch is arranged in the groove, and a cover plate for covering the groove is rotatably connected to the box cover, and an incoming line switch viewing window and an outgoing line switch viewing window are correspondingly arranged on the cover plate; a padlock buckle is arranged on a surface of the groove facing the cover plate below the hollow groove, and a socket for inserting the padlock buckle is correspondingly arranged on a surface of the cover plate facing the groove, and the padlock buckle is locked by a padlock after being inserted into the socket.

2. The one-digit electric meter box according to claim 1, characterized in that: The upper parts of the two opposite inner side walls of the box shell are both provided with clamping blocks at positions close to the box cover, and the clamping blocks are provided with locking hook grooves. The upper part of the box cover is correspondingly provided with locking hooks that are engaged with the locking hook grooves.

3. The one-digit electric meter box according to claim 1 or 2, characterized in that: A protrusion is provided on the inner bottom surface of the box shell at a position close to the box cover, and a fixing screw and a lead sealing stud are respectively provided on a surface of the protrusion facing the box cover. A fixing hole for inserting the fixing screw and a lead sealing hole for inserting the lead sealing stud are correspondingly provided at the lower part of a surface of the box cover facing the protrusion. The box cover is fastened to the box shell by the fixing screw and the lead sealing stud.

4. The one-digit electric meter box according to claim 1 or 2, characterized in that: An L-shaped connecting plate is provided on a surface of the cover plate facing the groove, and the L-shaped connecting plate includes a horizontal plate and a vertical plate. One end of the horizontal plate is integrally connected to the cover plate, and the other end of the horizontal plate is integrally connected to the upper end of the vertical plate. The vertical plate is located below the horizontal plate, and there is a gap between the vertical plate and the cover plate; the jack is opened on the vertical plate.

5. The one-digit electric meter box according to claim 2, characterized in that: A convex strip located below the card block is correspondingly provided on the two opposite inner side walls of the box shell, and the two convex strips are arranged along the front and rear directions of the box shell; a card slot is correspondingly provided on the opposite surface of the two convex strips, and a partition is provided between the two card slots, and the two opposite side edges of the partition are correspondingly inserted into the card slot on the same side.

6. The one-digit electric meter box according to claim 5, characterized in that: The partition divides the installation chamber into an upper chamber and a lower chamber. The electric energy meter is arranged in the upper chamber, and the incoming line switch and the outgoing line switch are both arranged in the lower chamber.

7. The one-digit electric meter box according to claim 6, characterized in that: An inverted T-shaped fixing rib is arranged in the upper chamber, a plurality of first mounting holes are opened on the inverted T-shaped fixing rib, and the electric energy meter is fastened to the first mounting holes through a first fastener so as to be installed on the inverted T-shaped fixing rib.

8. The single-digit electric meter box according to claim 6, characterized in that: A cross-shaped fixing rib is provided in the lower chamber, and a plurality of second mounting holes are opened on the cross-shaped fixing rib. The incoming switch and the outgoing switch are respectively fastened to the corresponding second mounting holes through second fasteners to be installed on the cross-shaped fixing rib.

9. The single-digit electric meter box according to any one of claims 6 to 8, characterized in that: The bottom surface of the box shell is also provided with an inlet hole and an outlet hole which are connected with the lower chamber; the inlet hole is located below the inlet switch, and the outlet hole is located below the outlet switch.

10. The single-digit electric meter box according to any one of claims 1, 2, 5-8, characterized in that: The box shell is made of SMC material; the box cover is made of PC material.

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