Electric energy meter with panel opening prevention structure
By embedding a plug cap inside the countersunk hole of the electricity meter panel and combining it with a lead seal structure, the problem of easy panel opening is solved, achieving the effect of preventing electric shock and malicious damage, and improving the safety of the electricity meter.
Patent Information
- Application Number
- CN202520324087.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-02-27
AI Technical Summary
The panels of existing electricity meters can be easily opened at will, posing a risk of electric shock and malicious damage to the control module.
A countersunk hole is provided on the other side of the electricity meter panel, and a plug is embedded in the front end of the hole. The plug engages with the annular groove at the front end of the bolt. The lead-sealed steel wire passes through the through hole and the opening to lock the panel and prevent it from being opened by non-professionals.
It effectively prevents the panel from being opened arbitrarily, avoids electric shock accidents and malicious damage to the control module, and improves safety.
Smart Images
Figure CN223664674U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of electric energy meter, specifically, relate to a kind of electric energy meter with prevent panel opening structure. BACKGROUND
[0002] Electric energy meter is used to measure the device of electricity consumption, the electric energy meter on market currently including shell assembly, control module and panel;The front side of shell assembly is provided with mounting cavity, control module is installed in mounting cavity and is electrically connected with circuit board located in the inside of shell assembly, panel is set in the front side of mounting cavity and is used to close mounting cavity, one side of panel is rotatably connected with shell assembly, the other side of panel is fastened with shell assembly by bolt;The other side of panel is provided with countersunk hole, bolt is movably arranged in countersunk hole, threaded hole is provided on shell assembly, the rear end of bolt is threadedly connected with threaded hole to lock the other side of panel to shell assembly;However, in the above electric energy meter structure, when electric energy meter is used, anyone can use screwdriver to rotate bolt to make panel open and operate control module, thereby easily causing electric shock accident, and easily causing control module to be maliciously destroyed. SUMMARY
[0003] The technical problem to be solved by the utility model is to provide an electric energy meter with a panel opening prevention structure, which can prevent the bolt from being arbitrarily rotated and the panel from being arbitrarily opened.
[0004] The utility model provides an electric energy meter with a panel opening prevention structure, which comprises a shell assembly, a control module and a panel.
[0005] After the other side of the panel is locked to the shell assembly by the bolt, the plug cap can be embedded in the opening of the front end of the countersunk hole, thereby preventing the bolt from being arbitrarily rotated and the panel from being arbitrarily opened, preventing electric shock accidents and preventing the control module from being maliciously destroyed.
[0006] In a possible implementation, the outer peripheral wall of the front end of the bolt is provided with an annular clamping groove, the inner end of the plug cap is provided with two symmetrically arranged upper and lower inserts, each of the inserts is provided with a channel, and the rear inner wall of each of the channels is provided with a reverse buckle, and the two reverse buckles are clamped with the annular clamping groove. After the plug cap is embedded into the front end of the countersunk hole, the two reverse buckles can be clamped with the annular clamping groove, so that the plug cap can be reliably connected with the front end of the bolt, that is, the plug cap can be reliably installed in the front end of the countersunk hole to seal the countersunk hole, and the plug cap can be further prevented from being pulled out of the countersunk hole.
[0007] In a possible implementation, the two sides of the rear end of each of the inserts are provided with a rounded surface, and the rounded surface is used for guiding the inner wall of the countersunk hole to facilitate the insertion of the insert into the front end of the countersunk hole. When the insert is inserted into the front end of the countersunk hole, the rounded surface can guide the inner wall of the countersunk hole to facilitate the insertion of the insert into the front end of the countersunk hole, thereby facilitating the insertion of the insert into the front end of the countersunk hole.
[0008] In a possible implementation, the edge of the rear end of the plug cap is provided with an annular guide surface, and the annular guide surface is used for guiding the inner wall of the countersunk hole to facilitate the embedding of the plug cap into the front end of the countersunk hole. When the plug cap is embedded into the front end of the countersunk hole, the annular guide surface can guide the inner wall of the countersunk hole to facilitate the embedding of the plug cap into the front end of the countersunk hole, thereby facilitating the embedding of the plug cap into the front end of the countersunk hole.
[0009] In a possible implementation, the middle part of the bolt is provided with a plurality of through holes penetrating the bolt in the radial direction of the bolt, and the side wall of the countersunk hole is provided with two symmetrically arranged upper and lower openings. The steel wire on the lead seal passes through the through hole and the opening to install the lead seal. After the steel wire on the lead seal passes through the through hole and the opening and the lead seal is installed, the panel can be further prevented from being opened, that is, the panel can be prevented from being opened by non-professionals. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0011] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model when the panel is opened relative to the shell assembly;
[0012] Figure 3 It is a schematic diagram of the cross-sectional structure of the bolt and the plug cap after being assembled with the panel;
[0013] Figure 4 It is a schematic diagram of the three-dimensional structure of the bolt and the plug cap after being disassembled with the panel. DETAILED DESCRIPTION
[0014] First of all, those skilled in the art should understand that the embodiments are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can make adjustments as needed in order to adapt to specific application occasions.
[0015] In the description of the embodiments of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0016] In the embodiments of the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be that the first feature is directly above or obliquely above the second feature, or it only means that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be that the first feature is directly below or obliquely below the second feature, or it only means that the horizontal height of the first feature is less than that of the second feature.
[0017] The present application will be further described in detail below in conjunction with the drawings and specific embodiments.
[0018] Reference Figures 1-4 As shown in the drawings, the embodiments of the present application disclose an electric energy meter with a faceplate opening prevention structure, comprising a shell assembly 1, a control module 2 and a faceplate 3; the front side of the shell assembly 1 is provided with a mounting cavity 11, the control module 2 is installed in the mounting cavity 11 and is electrically connected with a circuit board located inside the shell assembly 1, the faceplate 3 is arranged on the front side of the mounting cavity 11 and is used to close the mounting cavity 11, one side of the faceplate 3 is rotatably connected with the shell assembly 1, and the other side of the faceplate 3 is fastened with the shell assembly 1 through bolts 4; the other side of the faceplate 3 is provided with a countersunk hole 31, the bolts 4 are movably arranged in the countersunk hole 31, the shell assembly 1 is provided with a threaded hole 12, the rear end of the bolt 4 is threadedly connected with the threaded hole 12 to lock the other side of the faceplate 3 to the shell assembly 1; a plug cap 5 is embedded at the front end of the countersunk hole 31, the plug cap 5 is tightly matched with the inner wall of the front end of the countersunk hole 31, and the plug cap 5 is used to block the opening of the front end of the countersunk hole 31.
[0019] An annular clamping groove 41 is arranged on the outer peripheral wall of the front end of the bolt 4, and two symmetrically arranged insertion pieces 51 are arranged on the inner end of the cap 5, each of which is provided with a passage 511, and a reverse buckle 512 is arranged on the rear inner wall of each passage 511, and the two reverse buckles 512 are clamped with the annular clamping groove 41. After the cap is embedded into the front end of the countersunk hole, the two reverse buckles can be clamped with the annular clamping groove, at this time, the cap can be reliably connected with the front end of the bolt, that is, the cap can be reliably installed in the front end of the countersunk hole to achieve the plugging of the countersunk hole, that is, the cap can be further prevented from being pulled out of the countersunk hole.
[0020] The two sides of the rear end of each insertion piece 51 are provided with a fillet surface 513, which is used to guide the inner wall of the countersunk hole 31 to facilitate the insertion of the insertion piece 51 into the front end of the countersunk hole 31. When the insertion piece is inserted into the front end of the countersunk hole, the fillet surface can guide the inner wall of the countersunk hole to facilitate the insertion of the insertion piece into the front end of the countersunk hole, that is, the insertion process of the insertion piece and the front end of the countersunk hole is facilitated.
[0021] An annular guide surface 52 is arranged at the edge of the rear end of the cap 5, which is used to guide the inner wall of the countersunk hole 31 to facilitate the embedding of the cap 5 into the front end of the countersunk hole 31. When the cap is embedded into the front end of the countersunk hole, the annular guide surface can guide the inner wall of the countersunk hole to facilitate the embedding of the cap into the front end of the countersunk hole, that is, the embedding process of the cap and the front end of the countersunk hole is facilitated.
[0022] A plurality of through holes 42 are arranged on the middle of the bolt 4, which penetrate the bolt 4 along the radial direction of the bolt 4, and two symmetrically arranged openings 32 are arranged on the side wall of the countersunk hole 31, and the opening 32 and one of the through holes 42 are used for the steel wire on the lead seal to pass through to install the lead seal. After the steel wire on the lead seal passes through the through hole and the opening and installs the lead seal, the panel can be further prevented from being opened, that is, the panel can be prevented from being opened by non-professionals.
[0023] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any changes or replacements within the technical range disclosed in the present application can be easily thought by those skilled in the art, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. An energy meter with an anti-panel opening structure, comprising a housing assembly (1), a control module (2), and a panel (3); the housing assembly (1) has a mounting cavity (11) on its front side, the control module (2) is installed in the mounting cavity (11) and electrically connected to a circuit board located inside the housing assembly (1), the panel (3) is disposed on the front side of the mounting cavity (11) and is used to close the mounting cavity (11), one side of the panel (3) is rotatably connected to the housing assembly (1), and the other side of the panel (3) is fastened to the housing assembly (1) by a bolt (4); the other side of the panel (3) has a countersunk hole (31), the bolt (4) is movably inserted into the countersunk hole (31), the housing assembly (1) has a threaded hole (12), and the rear end of the bolt (4) is threadedly connected to the threaded hole (12) to lock the other side of the panel (3) onto the housing assembly (1); characterized in that: A plug (5) is embedded in the front end of the countersunk hole (31). The plug (5) fits tightly with the inner wall of the front end of the countersunk hole (31). The plug (5) is used to seal the opening at the front end of the countersunk hole (31).
2. The energy meter with an anti-panel opening structure according to claim 1, characterized in that: An annular groove (41) is provided on the outer peripheral wall of the front end of the bolt (4), and two symmetrical inserts (51) are provided on the inner end of the plug (5). Each insert (51) is provided with a channel (511), and each channel (511) is provided with a buckle (512) on the rear inner wall. Both buckles (512) are engaged with the annular groove (41).
3. The energy meter with an anti-panel opening structure according to claim 2, characterized in that: Each insert (51) has rounded corner surfaces (513) on both sides of its rear end. The rounded corner surfaces (513) are used to cooperate with the inner wall of the countersunk hole (31) for guidance so that the insert (51) can be inserted into the front end of the countersunk hole (31).
4. The energy meter with an anti-panel opening structure according to any one of claims 1-3, characterized in that: An annular guide surface (52) is provided at the rear edge of the plug (5). The annular guide surface (52) is used to cooperate with the inner wall of the countersunk hole (31) to guide the plug (5) so that it can be embedded into the front end of the countersunk hole (31).
5. The energy meter with an anti-panel opening structure according to claim 4, characterized in that: The bolt (4) has several through holes (42) circumferentially arranged in the middle part, which penetrate the bolt (4) radially. The countersunk hole (31) has two openings (32) symmetrically arranged on its side wall. The openings (32) and one of the through holes (42) are used for the steel wire on the lead seal to pass through to install the lead seal.