CN210982561U - Ammeter with end cover - Google Patents
Ammeter with end cover Download PDFInfo
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- CN210982561U CN210982561U CN201920988899.0U CN201920988899U CN210982561U CN 210982561 U CN210982561 U CN 210982561U CN 201920988899 U CN201920988899 U CN 201920988899U CN 210982561 U CN210982561 U CN 210982561U
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Abstract
The utility model relates to an electricity meter with an end cover, which comprises a base and a meter cover, wherein the base is provided with an end button box, the meter cover is provided with an end cover for covering the end button box, the meter cover is provided with a holding cavity with a local part sunken inwards, the end cover can rotate relative to the end button box by taking one side edge which is adjacent to and parallel to the holding cavity as a rotating axis, and this end cover can be partly located the holding intracavity, the end cover rotates along the axial direction's of its axis of rotation first end and sets up at the holding intracavity, the end cover is provided with along its axis of rotation's axial direction's second end and extends the post and make this extension post have all the time to keeping away from the first elastic component of first end direction removal trend along the axial direction of axis of rotation, the mounting groove has been seted up on the position that corresponds the extension post in the holding chamber, the second end of end cover sets up on the corresponding lateral wall in holding chamber through the normal running fit that extends post and mounting groove. The end cover of the embodiment is convenient to mount, and the end cover is prevented from being damaged when being rigidly mounted.
Description
Technical Field
The utility model relates to an electric energy meter technical field, concretely relates to ammeter with end cover.
Background
An electric meter is an instrument for measuring electric energy, also called an electric meter, a fire meter and a kilowatt hour meter, and refers to an instrument for measuring various electric quantities.
The current electric meter is a device capable of realizing uninterrupted power supply of the pluggable electric energy meter, as in the Chinese utility model patent with the patent number CN201521083351.X (with the publication number CN205374550U), the device comprises a base, a cover plate is hinged on the base, the cover plate is rotatably connected with the base, when the cover plate rotates in place, the cover plate can cover the through hole, the cover plate can be rotatably connected on the base, thereby conveniently covering an end button box on the base or opening the cover plate to install a connecting terminal and the like, but the installation of the cover plate and a meter cover on the base is inconvenient, specifically, the cover plate is provided with two installation arms, a rotating shaft and an installation hole which are mutually and rotatably matched are arranged between the two installation arms and corresponding wall plates of the meter cover, when the plastic part is installed, the installation arms are required to be rigidly connected with the corresponding wall plates of the meter cover, because the electric meter usually adopts the electric meter, the installation arms are likely, causing resource waste and cost increase and affecting the installation efficiency.
Therefore, further improvements to existing electricity meters are needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem to provide an ammeter that has an end cover that prevents rigid installation simultaneously and make the end cover damage to the current situation to above-mentioned prior art at end cover simple to operate.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides an ammeter with end cover, establishes the table lid on the base including base and lid, be provided with the terminal box on the base, the table lid is provided with the end cover that covers this terminal box on the position that corresponds the terminal box, its characterized in that: have local inside sunken holding chamber on the table lid, the end cover is relative for the axis of rotation with one of them side that is close to and is on a parallel with the holding chamber the end button box rotates, and this end cover can the part be located the holding intracavity, the end cover rotates along the axial direction's of its axis of rotation first end and sets up the holding intracavity, the end cover is provided with along its axis of rotation's axial direction's second end and extends the post and make this extension post have all the time to keeping away from the first elastic component of first end direction removal trend along the axial direction of axis of rotation, the mounting groove has been seted up in the holding chamber on the position that corresponds the extension post, the second end of end cover sets up through the normal running fit that extends post and mounting groove on the corresponding lateral wall in holding chamber.
In order to prevent the end cover from being pried open and achieve the purpose of electricity larceny prevention, the outer side wall of the end cover is contacted with the inner peripheral wall of the accommodating cavity in a state that the end cover is installed in the accommodating cavity; or a gap for limiting the insertion of a tool is formed between the outer side wall of the end cover and the inner peripheral wall of the accommodating cavity.
In order to limit the first elastic part to move along the axial direction perpendicular to the rotation axis, a first spring hole is formed in the position, corresponding to the first elastic part, of the end cover, one end of the first elastic part is connected with the end wall of the first spring hole, the other end of the first elastic part is connected with the extension column, the end cover is installed in the accommodating cavity, one end of the first elastic part abuts against the end wall of the first spring hole, and the extension column abuts against the end wall of the installation groove under the action of the first elastic part. Like this, first elastic component holding is in first spring hole, can carry on spacingly to other directions except the axial direction of axis of rotation for the extension post removes along the axial direction of axis of rotation under the effect of first elastic component.
In order to realize the installation of the end cover and the terminal box, the upper part of the end cover is detachably and rotatably arranged in the accommodating cavity, and the lower part of the end cover is installed on the terminal box through a first lead sealing piece.
In order to further facilitate the insertion of the end cover on the watch cover, preferably, mounting shafts and mounting hole grooves which are mutually rotationally matched are arranged between the left side wall of the upper portion of the end cover and the side wall of the corresponding side of the accommodating cavity, the axis of the mounting shaft is the rotational axis, the left side of the end cover is connected to the watch cover through the rotational matching of the mounting shaft and the mounting hole groove, and the elastic member is arranged on one of the two mounting shafts.
In order to facilitate the arrangement of the first elastic member, the first elastic member is a first spring, the mounting shaft is provided with a first spring hole for accommodating the first spring, one end of the first spring abuts against the end wall of the mounting hole groove, and the other end of the first spring abuts against the end wall of the first spring hole.
In order to increase the compactness of the structure, it is preferable that the base has a space for accommodating the terminal box at a position adjacent to the lower end, and the terminal box is arranged in the space.
In order to realize lead sealing fixation of the end cover and the terminal button box, through holes for lead sealing installation are correspondingly formed in the end cover and the terminal button box, a flange is arranged on the outer wall of the end cover and is located at a position close to the periphery of the through holes, and a first opening through which a lead sealing line of the first lead sealing passes is formed in the flange.
In order to facilitate the subsequent switching between the meter and the intelligent meter, a concave cavity for accommodating the communication module is formed by locally sinking the front wall plate of the meter cover towards the base direction, a cover plate for covering the concave cavity is arranged on the front wall plate of the meter cover, the cover plate rotates by taking one side edge adjacent to and parallel to the concave cavity as an axis to open or close the concave cavity, and a first end of the cover plate in the axial direction of the rotation axis of the cover plate is rotatably arranged on the corresponding side wall of the concave cavity; the cover plate is provided with a convex column and a second elastic piece which enables the convex column to have a moving trend towards the direction far away from the first end along the axial direction of the rotation axis all the time, the concave cavity is provided with a slot at the position corresponding to the convex column, and the second end of the cover plate is arranged on the corresponding side wall of the concave cavity through the rotating fit of the convex column and the slot.
In order to prevent the cover plate from being pried when the cover plate is in a mounted state, a stepped groove for accommodating the cover plate is formed in the periphery of the concave cavity, and in a state that the cover plate is mounted in the stepped groove, the outer side wall of the cover plate, which is adjacent to the position of the rotating axis, is in contact with the corresponding inner wall of the stepped groove; or a gap for limiting the insertion of a tool is formed between the outer side wall of the cover plate adjacent to the position of the rotating axis and the stepped groove.
In order to limit the elastic piece to move along the axial direction perpendicular to the rotation axis, a second spring hole for accommodating a second elastic piece is formed in the position, corresponding to the elastic piece, of the cover plate, one end of the second elastic piece is connected with the end wall of the spring hole, and the other end of the elastic piece is connected with the convex column. Like this, the second elastic component holding is downthehole at the second spring, can carry on spacingly to other directions except the axial direction of axis of rotation for the second elastic component makes the projection remove along the axial direction of axis of rotation better.
In order to realize that the lower extreme of apron left part corresponds the rotation of lateral wall with the cavity and is connected, the projection sets up the upper end at apron left part, the lower extreme of apron left part with all be provided with rotation fit's each other pivot and shaft hole between the lateral wall that the cavity corresponds the side, the lower extreme of apron is connected through the rotation fit in pivot and shaft hole in the cavity.
Compared with the prior art, when the electric meter with the end cover is installed on the end cover, the installation shaft at one end of the end cover is inserted into the installation hole groove, then the extension column is compressed, the end cover with the extension column is installed in the accommodating cavity, and the extension column is inserted into the installation groove under the action of the first elastic piece, so that the installation of the upper part of the whole end cover is realized, the installation of the end cover is convenient, and the condition that the end cover is damaged when the end cover is installed in a rigid mode is prevented; under the state that the end cover is installed, the outer side wall of the end cover is contacted with the inner peripheral wall of the accommodating cavity; or a gap for limiting the insertion of the tool is formed between the outer side wall of the end cover and the inner peripheral wall of the accommodating cavity, so that an external tool is prevented from being inserted between the outer side wall of the end cover and the inner peripheral wall of the accommodating cavity, the end cover is prevented from being pried, and the purpose of preventing electricity from being stolen by the electric energy meter is achieved; in addition, whole ammeter structural design is reasonable and convenient and practical.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 with the end cap and cover plate removed;
FIG. 3 is a cross-sectional view of FIG. 1;
fig. 4 is a schematic structural view of the embodiment of the present invention in which the end cap and the cover plate are in an open state;
FIG. 5 is a cross-sectional view at another angle of FIG. 1;
fig. 6 is a schematic structural diagram of a cover plate according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a base according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a watch cover according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 8, the electric meter with an end cover according to the embodiment of the present invention includes a base 1 and a meter cover 2 covering the base 1, wherein the base 1 is provided with an end button box 11, in this embodiment, a position of the base 1 adjacent to the lower end is provided with an accommodating space 1c for accommodating the end button box 11, and the end button box 11 is disposed in the accommodating space 1c, as shown in fig. 7. The watch case 2 is provided with an end cover 3 covering the terminal box 11 at a position corresponding to the terminal box 11.
As shown in fig. 2, 4 and 5, the watch cover 2 has a receiving cavity 22 partially recessed inwards, the end cap 3 can rotate relative to the terminal box 11 with one side edge adjacent to and parallel to the receiving cavity 22 as a rotation axis, and the end cap 3 can be partially located in the receiving cavity 22; as shown in fig. 5, a first end of the end cover 3 along the axial direction of the rotation axis thereof is rotatably disposed in the accommodating cavity 22, a second end of the end cover 3 along the axial direction of the rotation axis thereof is provided with an extending column 33 and a first elastic member 6 which always makes the extending column 33 have a tendency of moving towards the direction far away from the first end along the axial direction of the rotation axis, the accommodating cavity 22 is provided with a mounting groove 223 at a position corresponding to the extending column 33, and the second end of the end cover 3 is disposed on a corresponding side wall of the accommodating cavity 22 through the rotational fit of the extending column 33 and the mounting groove 223; and in the state that the end cover 3 is installed in the accommodating cavity 22, the outer side wall of the end cover 3 is in contact with the inner peripheral wall of the accommodating cavity 22; or a gap for limiting the insertion of a tool is formed between the outer side wall of the end cover 3 and the inner peripheral wall of the accommodating cavity 22; thereby preventing external instrument from inserting between the inside perisporium of the lateral wall of end cover 3 and holding chamber 22, preventing that end cover 3 from being prized open to reach the purpose that prevents to steal the electricity.
As shown in fig. 5, the end cover 3 is provided with a first spring hole 31 at a position corresponding to the first elastic element 6, one end of the first elastic element 6 is connected to an end wall of the first spring hole 31, the other end of the first elastic element 6 is connected to an extension column 33, when the end cover 3 is installed in the accommodating cavity 22, one end of the first elastic element 6 abuts against the end wall of the first spring hole 31, and the extension column 33 abuts against the end wall of the installation groove 223 under the action of the first elastic element 6. The first elastic member 6 in this embodiment is a spring.
As shown in fig. 1, 2 and 4, the upper part of the end cap 3 is rotatably disposed in the accommodating cavity 22, and the lower part of the end cap 3 is mounted on the terminal box 11 through the first lead seal 35. As shown in fig. 5, the right side wall of the upper portion of the end cover 3 is provided with an extension column 33, an installation shaft 32 and an installation hole groove 222 which are rotatably matched with each other are respectively arranged between the left side wall of the upper portion of the end cover 3 and the side wall of the corresponding side of the accommodation chamber 22, the axis of the installation shaft 32 is the above rotation axis, specifically, as shown in fig. 5, the left side wall of the end cover 3 is provided with the installation shaft 32, correspondingly, the accommodation chamber 22 is provided with the installation hole groove 222 at the position corresponding to the installation shaft 32, and the left side of the end cover 3 is connected to the meter cover 2 through the rotating matching of the installation shaft 32 and.
In order to facilitate the fixing of the end cap and the terminal box, as shown in fig. 1, the end cap 3 and the terminal box 11 are correspondingly provided with through holes 300 for the first lead sealing members 35 to be installed, and the outer wall of the end cap 3 is provided with flanges 30, the flanges 30 are located at positions adjacent to the peripheral edges of the through holes 300, in this embodiment, there are two flanges 30, each of the two flanges 30 is provided with a first opening 301 corresponding to a corresponding lead sealing hole of the first lead sealing member 35 and through which a lead sealing line of the corresponding first lead sealing member 35 passes, and the lead sealing line of the first lead sealing member 35 passes through the first opening and the lead sealing hole of the first lead sealing member 35 to fix the end cap 3 on the terminal box 11.
When the end cover 3 is installed, the installation shaft 42 at one end of the end cover 3 is inserted into the installation hole groove 222, then the extension column 33 is compressed, and the extension column 33 of the end cover 3 is installed in the installation groove 223, so that the installation of the upper part of the whole end cover is realized, and the installation of the end cover 3 is convenient; in the state that the end cover 3 is installed, the outer side wall of the end cover 3 is contacted with the inner peripheral wall of the accommodating cavity 22; or a gap for limiting the insertion of a tool is formed between the outer side wall of the end cover 3 and the inner peripheral wall of the accommodating cavity 22, so that an external tool is prevented from being inserted between the outer side wall of the end cover 3 and the inner peripheral wall of the accommodating cavity 22, the end cover 3 is prevented from being pried, and the purpose of preventing electricity stealing of the electric energy meter is achieved.
As shown in fig. 2 and 4, a cavity 21 for accommodating the communication module 7 is formed by partially recessing the front wall of the cover 2 toward the base 1, and a cover plate 4 for covering the cavity 21 is disposed on the front wall of the cover 2, and the cover plate 4 rotates around one side edge adjacent to and parallel to the cavity 21 as an axis to open or close the cavity 21, as shown in fig. 4; a stepped groove 23 for accommodating the cover plate 4 is formed in the periphery of the concave cavity 21, and the outer side wall of the cover plate 4 adjacent to the position of the rotation axis is in contact with the corresponding inner wall of the stepped groove 23 in the state that the cover plate 4 is installed in the stepped groove 23; or the outer side wall of the cover plate 4 at a position adjacent to the rotation axis has a gap between the corresponding inner wall of the stepped groove 23 to limit the insertion of the tool. The cover plate 4 is rotationally arranged on the corresponding side wall of the cavity 21 along the first end of the axial direction of the rotation axis; the cover plate 4 is provided with a convex column 44 along the second end of the axial direction of the rotation axis of the cover plate and a second elastic piece 5 which always enables the convex column 44 to have the trend of moving towards the direction far away from the first end along the axial direction of the rotation axis, the cavity 21 is provided with a slot 212 on the position corresponding to the convex column 44, the slot 212 is arranged on the inner side wall of the stepped groove 23, and the second end of the cover plate 4 is arranged on the corresponding side wall of the cavity 21 through the rotating fit of the convex column 44 and the slot 212. Specifically, the cover plate 4 is provided with a second spring hole 41 for accommodating the second elastic element 5 at a position corresponding to the second elastic element 5, one end of the second elastic element 5 is connected to an end wall of the second spring hole 41, and the other end of the second elastic element 5 is connected to the boss 44. The first spring hole and the second spring hole of the present embodiment are both in the form of a hole slot with one open end.
In this embodiment, as shown in fig. 1, the left side portion of the cover plate 4 is rotatably and detachably disposed in the cavity 21 with the left side parallel to the cavity 21 as an axis, and the right side portion of the cover plate 4 is mounted on the bezel 2 through the second lead seal 45. As shown in fig. 5, the protruding column 44 is disposed at the upper end of the left side portion of the cover plate 4, a rotating shaft 42 and a shaft hole 213 which are rotatably engaged with each other are disposed between the lower end of the left side portion of the cover plate and the side wall of the corresponding side of the cavity 21, and the lower end of the cover plate 4 is connected in the cavity 21 by the rotating engagement of the rotating shaft 42 and the shaft hole 213. Specifically, the lower end of the cover plate 4 is provided with a rotating shaft 42, correspondingly, the cavity 21 is provided with a shaft hole 213 on the side wall corresponding to the rotating shaft 42, and the lower end of the cover plate 4 is disposed in the shaft hole 213 through the rotating fit of the rotating shaft 42 and the shaft hole 213. The right side portion of the cover plate 4 and the meter cover 2 are correspondingly provided with mounting holes 40 for the second lead sealing piece 45 to be mounted from front to back, the cover plate 4 is provided with a second opening 400 corresponding to a lead sealing hole on the second lead sealing piece 45 and allowing a lead sealing line of the second lead sealing piece 45 to pass through, and the lead sealing line of the second lead sealing piece 45 sequentially passes through the second opening 400 and the lead sealing hole of the second lead sealing piece 45 to mount the cover plate 4 on the meter cover 2.
When the cover plate is installed, the rotating shaft 42 at one end of the cover plate 4 is inserted into the shaft hole 213, then the convex column 44 is compressed, and the convex column 44 of the cover plate 4 is installed in the slot 212 of the stepped groove 23, so that the installation of the whole cover plate is realized, and the installation of the cover plate 4 is convenient; under the state that the cover plate 4 is installed, the outer side wall of the cover plate 4 adjacent to the position of the rotation axis is contacted with the corresponding inner wall of the stepped groove 23, so that an external tool is prevented from being inserted between the outer side wall of the cover plate 4 adjacent to the position of the rotation axis and the corresponding inner wall of the stepped groove 23, the cover plate 4 is prevented from being pried, and the purpose of preventing electricity stealing of the electric energy meter is achieved.
Claims (11)
1. The utility model provides an ammeter with end cover, establishes table lid (2) on base (1) including base (1) and lid, be provided with knob box (11) on base (1), table lid (2) are provided with end cover (3) that cover this knob box (11) on the position that corresponds knob box (11), its characterized in that: the meter cover (2) is provided with an accommodating cavity (22) which is partially inwards sunken, the end cover (3) can rotate relative to the terminal button box (11) by taking one side edge which is adjacent to and parallel to the accommodating cavity (22) as a rotating axis, the end cover (3) can be partially positioned in the accommodating cavity (22), the first end of the end cover (3) along the axial direction of the rotating axis of the end cover is rotatably arranged in the accommodating cavity (22), the second end of the end cover (3) along the axial direction of the rotation axis is provided with an extension column and a first elastic part (6) which always leads the extension column (33) to have the tendency of moving towards the direction far away from the first end along the axial direction of the rotation axis, the accommodating cavity (22) is provided with an installation groove (223) at the position corresponding to the extension column (33), the second end of the end cover (3) is arranged on the corresponding side wall of the accommodating cavity (22) through the rotating fit of the extension column (33) and the installation groove (223).
2. An electricity meter in accordance with claim 1, wherein: under the state that the end cover (3) is installed in the accommodating cavity (22), the outer side wall of the end cover (3) is in contact with the inner peripheral wall of the accommodating cavity (22); or a gap for limiting the insertion of a tool is formed between the outer side wall of the end cover (3) and the inner peripheral wall of the accommodating cavity (22).
3. An electricity meter in accordance with claim 2, wherein: first spring hole (31) have been seted up in position that end cover (3) correspond first elastic component (6), the one end of first elastic component (6) links to each other with the end wall in first spring hole (31), the other end of first elastic component (6) with extend post (33) and link to each other end cover (3) install in under the state in holding chamber (22), the one end of first elastic component (6) offsets with the end wall in first spring hole (31), extend post (33) under the effect of first elastic component (6) with the end wall of mounting groove (223) offsets.
4. An electricity meter as in any of claims 1-3, wherein: the upper part of the end cover (3) is detachably and rotatably arranged in the accommodating cavity (22), and the lower part of the end cover (3) is installed on the terminal button box (11) through a first lead seal piece (35).
5. An electricity meter in accordance with claim 4, wherein: an installation shaft (32) and an installation hole groove (222) which are mutually in rotating fit are arranged between the left side wall of the upper portion of the end cover (3) and the side wall of the side corresponding to the accommodating cavity (22), the axis of the installation shaft (32) is the rotating axis, and the left side of the end cover (3) is connected to the meter cover (2) through the rotating fit of the installation shaft (32) and the installation hole groove (222).
6. An electricity meter in accordance with claim 1, wherein: the base (1) is provided with a space (1c) for accommodating the terminal box (11) at a position adjacent to the lower end, and the terminal box (11) is arranged in the space (1 c).
7. An electricity meter in accordance with claim 6, wherein: the end cover (3) and the terminal button box (11) are correspondingly provided with a through hole (300) for installing the first lead sealing piece (35), the outer wall of the end cover (3) is provided with a flange (30), the flange (30) is located at a position close to the periphery of the through hole (300), and the flange (30) is provided with a first open hole (301) for a lead sealing line of the first lead sealing piece (35) to pass through.
8. An electricity meter in accordance with claim 1, wherein: a concave cavity (21) for accommodating the communication module (7) is formed by locally recessing the front wall plate of the meter cover (2) towards the direction of the base (1), a cover plate (4) for covering the concave cavity (21) is arranged on the front wall plate of the meter cover (2), the cover plate (4) rotates by taking one side edge which is adjacent to and parallel to the concave cavity (21) as an axis to open or close the concave cavity (21), and the first end of the cover plate (4) in the axial direction of the rotation axis of the cover plate is rotatably arranged on the corresponding side wall of the concave cavity (21); the cover plate is characterized in that a convex column (44) and a second elastic piece (5) which enables the convex column (44) to move towards the direction far away from the first end along the axial direction of the rotation axis are arranged at the second end of the cover plate (4) along the axial direction of the rotation axis, a slot (212) is formed in the position, corresponding to the convex column (44), of the concave cavity (21), and the second end of the cover plate (4) is arranged on the corresponding side wall of the concave cavity (21) through the rotation matching of the convex column (44) and the slot (212).
9. An electricity meter in accordance with claim 8, wherein: a stepped groove (23) for accommodating the cover plate (4) is formed in the periphery of the concave cavity (21), and in the state that the cover plate (4) is installed in the stepped groove (23), the outer side wall, close to the rotation axis, of the cover plate (4) is in contact with the corresponding inner wall of the stepped groove (23); or a gap for limiting the insertion of a tool is arranged between the outer side wall of the cover plate (4) adjacent to the position of the rotating axis and the stepped groove (23).
10. An electricity meter in accordance with claim 9, wherein: the cover plate (4) is provided with a second spring hole (41) for accommodating the second elastic piece (5) at a position corresponding to the second elastic piece (5), one end of the second elastic piece (5) is connected with the end wall of the second spring hole (41), and the other end of the second elastic piece (5) is connected with the convex column (44).
11. An electricity meter in accordance with claim 8, wherein: projection (44) set up in the upper end of apron (4) left part, the lower extreme of apron (4) left part with all be provided with rotation fit's each other pivot (42) and shaft hole (213) between the lateral wall that cavity (21) corresponds the side, the lower extreme of apron (4) is connected through the rotation fit of pivot (42) and shaft hole (213) in cavity (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920988899.0U CN210982561U (en) | 2019-06-27 | 2019-06-27 | Ammeter with end cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920988899.0U CN210982561U (en) | 2019-06-27 | 2019-06-27 | Ammeter with end cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210982561U true CN210982561U (en) | 2020-07-10 |
Family
ID=71438041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920988899.0U Active CN210982561U (en) | 2019-06-27 | 2019-06-27 | Ammeter with end cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210982561U (en) |
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2019
- 2019-06-27 CN CN201920988899.0U patent/CN210982561U/en active Active
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