CN112578166A - A mounting structure and electric energy meter for electric energy meter - Google Patents
A mounting structure and electric energy meter for electric energy meter Download PDFInfo
- Publication number
- CN112578166A CN112578166A CN202011187069.1A CN202011187069A CN112578166A CN 112578166 A CN112578166 A CN 112578166A CN 202011187069 A CN202011187069 A CN 202011187069A CN 112578166 A CN112578166 A CN 112578166A
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- electric energy
- energy meter
- hook
- opening
- wall
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
Abstract
The invention relates to an installation structure for an electric energy meter and the electric energy meter, and the installation structure for the electric energy meter is characterized by comprising the following components: the connecting seat is arranged on the watch cover; two rotating arms; the movable piece is at least partially positioned between the two rotating arms; the elastic element acts on the movable element; the clamping hook is arranged to rotate relative to the connecting seat, a hook part capable of being clamped in the clamping opening is arranged at a position close to the lower end, and the elastic piece is in an energy storage state under the condition that the hook part is clamped in the clamping opening; the connecting rod assembly comprises two support rods which are rotatably connected; the support is provided with an extension part on one side corresponding to the clamping hook, and the extension part pushes the upper end of the clamping hook to move towards the direction of the movable piece under the state that the connecting seat moves downwards so as to enable the hook part to be separated from the clamping state with the bayonet; when the electric energy meter is in the mounted state, the lower end of the connecting rod assembly is abutted to the base of the electric energy meter, and the convex part is located in the concave part of the corresponding side. After the electric energy meter is installed, the meter cover and the base are firmly prevented from being separated.
Description
Technical Field
The invention belongs to the field of electric meters, and particularly relates to an installation structure for an electric energy meter and the electric energy meter.
Background
An electric energy meter is an instrument for measuring electric energy, also called watt-hour meter, fire meter, kilowatt hour meter, and is an instrument for measuring various electric quantities.
The current electric energy meter, like the structure of a single-phase electronic electric energy meter disclosed in the Chinese utility model patent, the structure of the electric energy meter with the patent number ZL201721341675.8 (the publication number is CN207458445U) comprises a base, a meter cover, an upper terminal cover and a lower terminal cover, wherein the meter cover is provided with a screw hole, the meter cover passes through the screw hole through a screw to be fixedly installed with the base, and the top inlet of the screw hole is subjected to primary sealing through a press type sealing nail; the upper terminal cover is fixedly connected with the meter cover through a second buckle, the lower terminal cover is fixedly connected with the meter cover through a third buckle, and a secondary seal is formed between the lower terminal cover and the meter cover by using a lead type seal. The meter cover and the base of the electric energy meter are connected through the screws, so that the meter cover and the base can be separated when the electric energy meter is actually disassembled and assembled, and the possibility that the electric energy meter is disassembled when the electric energy meter is assembled and disassembled is still existed.
Therefore, further improvements to existing electric energy meters are needed.
Disclosure of Invention
A first technical problem to be solved by the present invention is to provide a mounting structure for an electric energy meter, which is strong and prevents detachment after mounting, in view of the above-mentioned current state of the art.
The second technical problem to be solved by the invention is to provide the electric energy meter which prevents the meter cover and the base from being disassembled after the electric energy meter is installed.
The technical scheme adopted by the invention for solving the first technical problem is as follows: a mounting structure for an electric energy meter, comprising:
the connecting seat is arranged on a meter cover of the electric energy meter;
the two rotating arms are vertically arranged, the upper ends of the two rotating arms are arranged to rotate relative to the connecting seat, the side walls of the two rotating arms are provided with concave parts, and the concave parts of the two rotating arms are arranged in a deviating manner;
the moving part is vertically arranged, at least partially positioned between the two rotating arms, and a bayonet is formed in the side wall of the moving part;
the elastic piece acts on the moving piece and always enables the moving piece to have a tendency of moving downwards relative to the connecting base and then pushing the rotating arm to rotate towards a direction departing from the moving piece in an energy storage state;
the clamping hook is vertically arranged and is arranged to rotate relative to the connecting seat, a hook part capable of being clamped in the clamping opening is arranged at a position close to the lower end, and the elastic piece is in an energy storage state when the hook part is clamped in the clamping opening;
the connecting rod assembly is vertically arranged and comprises two supporting rods which are rotationally connected, and the other end of each supporting rod is rotationally connected with the position, close to the middle, of the rotating arm on the corresponding side;
the support is arranged on the upper surface of the base of the electric energy meter, an extending part is arranged on one side corresponding to the clamping hook, and the extending part pushes the upper end of the clamping hook to move towards the direction of the movable piece under the condition that the connecting seat moves downwards so as to enable the hook part to be in a clamping state of being separated from the bayonet; the bracket is provided with a first opening which is positioned below the extension part and through which the lower end of the connecting rod assembly passes, the bracket is provided with a convex part which can be limited in the concave part on the corresponding side at the position adjacent to the first opening, when the electric energy meter is in an installation finished state, the lower end of the connecting rod assembly is abutted against the base of the electric energy meter, and the convex part is positioned in the concave part on the corresponding side.
In order to limit the lower end of the connecting rod assembly to move back and forth, the electric energy meter further comprises a V-shaped groove which is relatively fixed with the support, the V-shaped groove is located below the first opening, when the electric energy meter is in an installed state, the lower end of the connecting rod assembly is located in the V-shaped groove, and the outer wall of the connecting rod assembly abuts against the corresponding side wall of the V-shaped groove. So, under the electric energy meter installation state of finishing, prevent that the convex part from breaking away from the depressed part that corresponds the side and the condition that takes place to throw off, further guaranteed the fastness after the installation finishes.
The rotating arm can be in various forms, but preferably the rotating arm is basically in a C shape, and the C-shaped opening of the rotating arm is the concave part.
In order to reliably push the rotating arm to rotate when the movable piece moves downwards relative to the connecting seat, the lower end of the movable piece is provided with a contraction section which gradually contracts from top to bottom.
The form of construction of the catch is manifold, but preferably the catch comprises a substantially V-shaped stem portion, the V-shaped mouth of which is arranged away from the movable member, the hook portion being arranged at the lower end of the stem portion and arranged away from the V-shaped mouth.
The technical scheme adopted by the invention for solving the second technical problem is as follows: the electric energy meter with the mounting structure comprises a meter cover and a base, wherein the upper side of the base is open, and the meter cover covers the upper side opening of the base to close the opening.
The V-shaped groove may be formed in various forms, but preferably, the base is provided on an upper surface thereof with a first connecting frame and a second connecting frame which are arranged at a left-right interval along an arrangement direction of the two protrusions, the first connecting frame has a first inclined wall which is inclined gradually to a right side from top to bottom, the second connecting frame has a second inclined wall which is inclined gradually to a left side from top to bottom, the first inclined wall and the second inclined wall are arranged oppositely, and the V-shaped groove is formed therebetween.
In order to facilitate the rotary connection of the hooks and the rotating arms, the watch cover is provided with an annular wall which extends downwards, the connecting seat is fixedly connected with the annular wall relatively, the moving part is limited in the inner cavity of the annular wall in a vertically sliding manner, the hooks and the two rotating arms are rotatably arranged on the annular wall, and the rotating axes of the hooks and the two rotating arms are basically arranged side by side and extend along the front-back direction.
The extension can be formed in various forms, but preferably, the bracket has a second opening above the first opening for the annular wall to pass through, and one of the side walls of the second opening is the extension.
Preferably, the annular wall is provided with an avoidance opening for the hook to pass through at a position corresponding to the hook, and the hook is rotatably arranged in the avoidance opening through the mounting shaft.
In order to facilitate the installation of the movable part, the meter cover is provided with a mouth part, the periphery of the mouth part extends downwards to form the annular wall, and the connecting seat covers the mouth part and is detachably connected to the meter cover.
The elastic piece can be designed in a spring or a spring plate, but preferably, the moving piece is provided with a containing groove with an open top, the elastic piece is a spring positioned in the containing groove, the upper end of the spring is abutted against the connecting seat, and the lower end of the spring is abutted against the bottom wall of the containing groove to be in an energy storage state.
Compared with the prior art, the invention has the advantages that: in a natural state, the hook part of the hook of the mounting structure for the electric energy meter is clamped in the bayonet of the movable piece, in the process that the connecting seat moves downwards, when the connecting seat moves downwards until the hook part of the clamping hook is positioned below the extending part and then continues to move downwards, the extending part is propped against the upper end of the clamping hook to push the upper end of the clamping hook to move towards the moving part, so that the hook part of the hook breaks away from the limit of the bayonet, at the moment, the movable part moves downwards under the energy storage release of the elastic part, the movable part pushes the rotating arm when moving downwards, the rotating arm rotates towards the direction departing from the movable part, then the concave part of the rotating arm is matched with the convex part of the bracket, thereby make the connecting seat connect on the support, whole installation is convenient, need not external instrument and can realize the installation of base and table lid, in addition, the installation back, table lid and base are hardly dismantled, have reached the possibility that the table of preventing is unpacked apart.
Drawings
FIG. 1 is a sectional view of the bezel and the base in an uninstalled state according to the present embodiment;
fig. 2 is a cross-sectional view of the upper end of the hook of the present embodiment abutting against the extending portion;
FIG. 3 is a sectional view of the cover and the base in the mounted state in the present embodiment;
FIG. 4 is a schematic structural diagram of the base in the present embodiment;
FIG. 5 is a schematic structural view of the present embodiment with the base removed;
fig. 6 is a schematic view of the structure of fig. 5 with the cover removed.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 3, the electric energy meter according to the embodiment of the present invention includes a meter cover 1, a mounting structure, and a base 2, wherein an upper side of the base 2 is open, and the meter cover 1 covers the upper side opening of the base 2 to close the opening.
As shown in fig. 1 to 6, the mounting structure includes a connecting base 12, two rotating arms 13, a movable element 14, an elastic element, a hook 16, a connecting rod assembly 17, a bracket 21 and a V-shaped groove 24.
As shown in fig. 1 to 3, a cavity 113 is formed by partially recessing the watch cover 1 downward, a mouth portion 110 is opened on the bottom wall of the cavity 113, a circumferential edge of the mouth portion 110 extends downward to form a circumferential wall 11, and the connecting seat 12 covers the mouth portion 110 and is located in the cavity 113. In this embodiment, the connection base 12 is detachably connected to the cover 1. Specifically, as shown in fig. 2 and 3, connecting holder 12 has two downwardly extending snaps 121, a bottom wall of cavity 113 is provided with a snap hole 1131 at a position corresponding to snaps 121, and connecting holder 12 is mounted on the bottom wall of cavity 113 by snap-fitting snaps 121 with snap holes 1131.
The movable member 14 is vertically disposed, and the movable member 14 is vertically slidably limited in the inner cavity of the annular wall 11, specifically, the inner cavity of the annular wall 11 has an inwardly extending flange 112, correspondingly, a blocking shoulder 144 is convexly disposed on an outer peripheral wall of an upper portion of the movable member 14, and when the movable member 14 moves downward to a lowest position, a bottom of the blocking shoulder 144 abuts against a top of the flange 112, as shown in fig. 3. The sidewall of the movable element 14 is provided with a bayonet 141, and the lower end of the movable element 14 has a contraction section 142 gradually contracting from top to bottom, and the lower end of the movable element 14 is at least partially located between the two rotating arms 13.
The two rotating arms 13 are vertically arranged and are sequentially arranged from left to right, the rotating arms 13 are basically in a C shape, the C-shaped openings of the rotating arms 13 are the concave parts 131, and the concave parts 131 of the two rotating arms 13 are arranged oppositely. The two rotating arms 13 are rotatably disposed on the left and right side walls of the annular wall 11, specifically, the two rotating arms are connected in the same manner, and the connection of the rotating arm on the right side is taken as an example for explanation: the upper end of the rotating arm 13 is rotatably provided on the right side wall of the annular wall 11 via a connecting shaft 19, and the connecting shaft 19 extends in the front-rear direction.
The elastic element acts on the movable element 14, and in the energy storage state, the movable element 14 always has the tendency of moving downwards relative to the connecting base 12 and then pushing the rotating arm 13 to rotate towards the direction away from the movable element 14; specifically, as shown in fig. 3, the movable element 14 is provided with an accommodating groove 141 with an open top, the elastic element is a spring 15 located in the accommodating groove 141, an upper end of the spring 15 abuts against the connecting seat 12, and a lower end of the spring 15 abuts against a bottom wall of the accommodating groove 141 to be in an energy storage state, which is specifically shown in fig. 2.
As shown in fig. 2 and 3, the hook 16 is vertically disposed, and the left side wall of the annular wall 11 is provided with a relief opening 111 at a position corresponding to the hook 16 for the hook 16 to pass through, the hook 16 is rotatably disposed in the relief opening 111 through a mounting shaft 18, the mounting shaft 18 extends in the front-rear direction, and the mounting shaft 18 and the above-mentioned connecting shaft 19 are substantially arranged side by side. The hook 16 includes a substantially V-shaped rod portion 161, a V-shaped opening 1611 of the rod portion 161 is disposed away from the movable element 14, a hook portion 162 capable of being snapped into the bayonet 141 is disposed at a lower end of the rod portion 161, and the hook portion 162 is disposed away from the V-shaped opening 1611, as shown in fig. 3 and 6. When the hook 162 is engaged with the notch 141, the elastic member is in a charged state.
The connecting rod assembly 17 is vertically arranged and comprises two supporting rods which are rotationally connected with each other, and the other ends of the supporting rods are rotationally connected with the positions, close to the middle, of the rotating arms 13 on the corresponding sides; the two support rods are respectively a first support rod 171 and a second support rod 172 which are vertically arranged, the lower ends of the first support rod 171 and the second support rod 172 are rotatably connected, the upper end of the first support rod 171 is rotatably connected to the position, close to the middle, of the rotating arm 13 on the left side, and the upper end of the second support rod 172 is rotatably connected to the position, close to the middle, of the rotating arm 13 on the right side.
The bracket 21 is disposed on the upper surface of the base 2 of the electric energy meter, and has an extending portion 211 at a side corresponding to the hook 16, specifically, the bracket 21 has a second opening 214 for the ring wall 11 to pass through, and a left side wall of the second opening 214 is the extending portion 211. In the state that the connection seat 12 moves downward, the extension portion 211 pushes the upper end of the hook 16 to move toward the movable element 14, so that the hook 162 is in the state of being separated from the bayonet 141; the bracket 21 has a first opening 212 located below the extension 211 and through which the link assembly 17 and the annular wall 11 pass, the first opening 212 is located below the second opening 214, the bracket 21 has a protrusion 213 located at a position adjacent to the first opening 212 and capable of being limited in the recess 131 of the corresponding side, the V-shaped groove 24 is disposed on the bottom surface of the base 2 and located below the first opening 212, specifically, the upper surface of the base 2 is provided with a first connecting frame 22 and a second connecting frame 23 arranged at a left-right interval along the arrangement direction of the two protrusions 213, the first connecting frame 22 has a first inclined wall 221 inclined gradually to the right side from the top down, the second connecting frame 23 has a second inclined wall 231 inclined gradually to the left side from the top down, the first inclined wall 221 and the second inclined wall 231 are arranged oppositely, and the V-shaped groove 24 is formed therebetween. In the mounted state of the electric energy meter, the lower end of the link assembly 17 is located in the V-shaped groove 24, the outer wall of the link assembly 17 abuts against the corresponding side wall of the V-shaped groove 24, and the convex portion 213 is located in the concave portion 131 on the corresponding side.
The installation process of the electric energy meter is as follows:
in a natural state, the hook portion 162 of the hook 16 is clamped in the bayonet 141 of the movable element 14, in a downward movement process of the watch cover 1, the connecting base 12 and the movable element 14 move downward along with the watch cover 1, when the movable element 14 moves downward until the hook portion 162 of the hook 16 is located below the extension portion 211 and then continues to move downward, the extension portion 211 abuts against the upper end of the hook 16, and then when continuing to move downward, the extension portion 211 pushes the upper end of the hook 16 to move toward the movable element 14, so that the hook portion 162 of the hook 16 is separated from the limit of the bayonet 141, at this time, the movable element 14 moves downward under the energy storage release of the spring 15, when the movable element 14 moves downward, the rotating arm 13 is pushed to rotate toward a direction away from the movable element 14, and then the concave portion 131 of the rotating arm 13 is matched with the convex portion 213 of the bracket 21, so that the ring wall 11 of the watch cover 1.
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 invention, but are used herein for convenience of description only and are to be determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.
Claims (12)
1. A mounting structure for an electric energy meter, comprising:
the connecting seat (12) is arranged on the meter cover (1) of the electric energy meter;
two rotating arms (13) which are vertically arranged, the upper ends of the two rotating arms are arranged to rotate relative to the connecting seat (12), the side walls of the two rotating arms are provided with concave parts (131), and the concave parts (131) of the two rotating arms (13) are arranged oppositely;
the moving part (14) is vertically arranged, at least part of the moving part is positioned between the two rotating arms (13), and a bayonet (141) is arranged on the side wall of the moving part;
the elastic piece acts on the movable piece (14), and in the energy storage state, the movable piece (14) always has the tendency of moving downwards relative to the connecting base (12) and then pushing the rotating arm (13) to rotate towards the direction departing from the movable piece (14);
the clamping hook (16) is vertically arranged and is arranged to rotate relative to the connecting seat (12), a hook part (162) which can be clamped in the bayonet (141) is arranged at a position close to the lower end, and the elastic piece is in an energy storage state under the condition that the hook part (162) is clamped in the bayonet (141);
the connecting rod assembly (17) is vertically arranged and comprises two supporting rods which are rotationally connected with each other, and the other ends of the supporting rods are rotationally connected with the positions, close to the middle, of the rotating arms (13) on the corresponding sides;
the support (21) is arranged on the upper surface of the base (2) of the electric energy meter, an extending part (211) is arranged on one side corresponding to the clamping hook (16), and in the state that the connecting seat (12) moves downwards, the extending part (211) pushes the upper end of the clamping hook (16) to move towards the direction of the moving part (14), so that the hook part (162) is in the clamping state of being separated from the clamping opening (141); the bracket (21) is provided with a first opening (212) which is positioned below the extension part (211) and through which the lower end of the connecting rod assembly (17) passes, the bracket (21) is provided with a convex part (213) which can be limited in a concave part (131) on the corresponding side at a position adjacent to the first opening (212), the lower end of the connecting rod assembly (17) is abutted against the base of the electric energy meter in the mounted state of the electric energy meter, and the convex part (213) is positioned in the concave part (131) on the corresponding side.
2. The mounting structure according to claim 1, wherein: the electric energy meter is characterized by further comprising a V-shaped groove (24) fixed relative to the support (21), the V-shaped groove (24) is located below the first opening (212), the lower end of the connecting rod assembly (17) is located in the V-shaped groove (24) when the electric energy meter is in an installed state, and the outer wall of the connecting rod assembly (17) abuts against the corresponding side wall of the V-shaped groove (24).
3. The mounting structure according to claim 2, wherein: the rotating arm (13) is basically C-shaped, and the C-shaped opening of the rotating arm (13) is the concave part (131).
4. The mounting structure according to claim 3, wherein: the lower end of the movable piece (14) is provided with a contraction section (142) which gradually contracts from top to bottom.
5. The mounting structure according to any one of claims 1 to 4, wherein: the hook (16) comprises a substantially V-shaped rod part (161), a V-shaped opening (1611) of the rod part (161) is arranged to be away from the movable piece (14), and the hook part (162) is arranged at the lower end of the rod part (161) and is arranged to be away from the V-shaped opening (1611).
6. An electric energy meter having the mounting structure according to any one of claims 2 to 5, comprising a cover (1) and a base (2), an upper side of the base (2) being open, the cover (1) covering the upper side opening of the base (2) to close the opening.
7. The electric energy meter of claim 6, wherein: the upper surface of the base (2) is provided with a first connecting frame (22) and a second connecting frame (23) which are arranged at intervals left and right along the arrangement direction of the two convex parts (213), the first connecting frame (22) is provided with a first inclined wall (221) which gradually inclines to the right side from top to bottom, the second connecting frame (23) is provided with a second inclined wall (231) which gradually inclines to the left side from top to bottom, the first inclined wall (221) and the second inclined wall (231) are oppositely arranged, and a V-shaped groove (24) is formed between the first inclined wall and the second inclined wall.
8. The electric energy meter of claim 6, wherein: the meter cover (1) is provided with a downward extending annular wall (11), the connecting seat (12) is fixedly connected with the annular wall (11) relatively, the moving part (14) is limited in the inner cavity of the annular wall (11) in a vertically sliding mode, the clamping hook (16) and the two rotating arms (13) are rotatably arranged on the annular wall (11), and the rotating axes of the clamping hook (16) and the two rotating arms (13) are basically arranged side by side and extend along the front-back direction.
9. The electric energy meter of claim 8, wherein: the bracket (21) is provided with a second opening (214) which is positioned above the first opening (212) and is used for the annular wall to pass through, and one side wall of the second opening (214) is the extension part (211).
10. The electric energy meter of claim 8, wherein: the ring wall (11) is corresponding to an avoiding opening (111) for the hook (16) to pass through is arranged at the position of the hook (16), and the hook (16) is rotatably arranged in the avoiding opening (111) through a mounting shaft (18).
11. The electric energy meter of claim 8, wherein: the meter cover (1) is provided with a mouth part (110), the periphery of the mouth part (110) extends downwards to form the annular wall (11), and the connecting seat (12) covers the mouth part (110) and is detachably connected to the meter cover (1).
12. The electrical energy meter of claim 11, wherein: an accommodating groove (141) with an open top is formed in the moving piece (14), the elastic piece is a spring (15) located in the accommodating groove (141), the upper end of the spring (15) abuts against the connecting seat (12), and the lower end of the spring (15) abuts against the bottom wall of the accommodating groove (141) to be in an energy storage state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011187069.1A CN112578166B (en) | 2020-10-30 | 2020-10-30 | A mounting structure and electric energy meter for electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011187069.1A CN112578166B (en) | 2020-10-30 | 2020-10-30 | A mounting structure and electric energy meter for electric energy meter |
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| Publication Number | Publication Date |
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| CN112578166A true CN112578166A (en) | 2021-03-30 |
| CN112578166B CN112578166B (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011187069.1A Active CN112578166B (en) | 2020-10-30 | 2020-10-30 | A mounting structure and electric energy meter for electric energy meter |
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| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3568640D1 (en) * | 1984-06-01 | 1989-04-13 | Cahors App Elec | Casing, in particular for electricity meters or the like |
| EP1431765A2 (en) * | 2002-12-20 | 2004-06-23 | HAGER ELECTRO GmbH | Apparatus for coupling an electric energy meter to a support platform |
| CN102116780A (en) * | 2011-01-31 | 2011-07-06 | 浙江省电力公司 | Electric energy meter single enclosure structure |
| CN201993403U (en) * | 2011-01-31 | 2011-09-28 | 浙江省电力公司 | Single sealing structure of electric energy meter |
| CN103116049A (en) * | 2013-01-22 | 2013-05-22 | 浙江晨泰科技股份有限公司 | Upper-in-lower-out type anti-theft ammeter |
| CN206583949U (en) * | 2017-02-24 | 2017-10-24 | 福建南平闽延电气设备有限公司 | A kind of spliced ammeter distribution box |
-
2020
- 2020-10-30 CN CN202011187069.1A patent/CN112578166B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3568640D1 (en) * | 1984-06-01 | 1989-04-13 | Cahors App Elec | Casing, in particular for electricity meters or the like |
| EP1431765A2 (en) * | 2002-12-20 | 2004-06-23 | HAGER ELECTRO GmbH | Apparatus for coupling an electric energy meter to a support platform |
| CN102116780A (en) * | 2011-01-31 | 2011-07-06 | 浙江省电力公司 | Electric energy meter single enclosure structure |
| CN201993403U (en) * | 2011-01-31 | 2011-09-28 | 浙江省电力公司 | Single sealing structure of electric energy meter |
| CN103116049A (en) * | 2013-01-22 | 2013-05-22 | 浙江晨泰科技股份有限公司 | Upper-in-lower-out type anti-theft ammeter |
| CN206583949U (en) * | 2017-02-24 | 2017-10-24 | 福建南平闽延电气设备有限公司 | A kind of spliced ammeter distribution box |
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| CN112578166B (en) | 2022-06-03 |
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