CN218938347U - Lead sealing structure and electric energy meter - Google Patents
Lead sealing structure and electric energy meter Download PDFInfo
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- CN218938347U CN218938347U CN202222331558.0U CN202222331558U CN218938347U CN 218938347 U CN218938347 U CN 218938347U CN 202222331558 U CN202222331558 U CN 202222331558U CN 218938347 U CN218938347 U CN 218938347U
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Abstract
The utility model relates to a lead sealing structure, which comprises a first installation base (1), a second installation base (2) and a rotating piece (3); the first mounting base (1) has an inner surface facing the second mounting base (2), an outer surface (1 a) opposite to the inner surface, the outer surface (1 a) being provided with a first mounting portion (11), the first mounting portion (11) having a first mounting hole (111); the rotary member (3) has a second mounting portion (35) exposed to the outer surface (1 a), the second mounting portion (35) having a second mounting hole (351) aligned with the first mounting hole (111) in the first state; the first mounting hole (111) and the second mounting hole (351) are used for the lead sealing lock (4) to pass through, and the first mounting part (11) and the second mounting part (35) are locked. Thus, the locking and lead sealing are concentrated on the rotating piece, the number of parts is less, the operation procedures are less, and the operation is more convenient. The utility model also discloses an electric energy meter which comprises the lead sealing structure. Also has the advantage of convenient operation.
Description
Technical Field
The utility model relates to the technical field of lead sealing, in particular to a lead sealing structure and an electric energy meter.
Background
The electric energy meter is a meter for measuring electric energy, also called an electric meter, a fire meter and a kilowatt hour meter, and refers to a meter for measuring various electric quantities.
Lead seals are used to lock two mounting bases, such as on electrical energy meters, and lead seal locks are often used to lock the end caps and terminal blocks of the meter to prevent the end caps from being illegally opened. The lead seal structure can also be used for other products besides electric energy meters.
At present, two installation foundations are generally locked firstly, then the two installation foundations are sealed by lead through a lead sealing lock, and the locking and the lead sealing are often arranged at two different positions, so that the parts for locking are required to be arranged, the parts for lead sealing are also required to be arranged, the number of the parts is more, and the operation procedures are more and inconvenient.
Therefore, the lead sealing structure and the electric energy meter can be further improved.
Disclosure of Invention
The first technical problem to be solved by the utility model is to provide a lead sealing structure which has a simple and reasonable structure and is convenient to operate according to the current state of the art.
The second technical problem to be solved by the utility model is to provide an electric energy meter with the lead sealing structure according to the current state of the art.
The technical scheme adopted by the utility model for solving the first technical problem is as follows: a lead sealing structure comprises
A first mounting base;
a second mounting base;
the rotating piece can circumferentially rotate by taking the axis where the rotating piece is located as a rotation axis and has at least two states:
in a first state, the rotating member is locked with the first mounting base and the second mounting base;
in a second state, the rotating member is unlocked from at least one of the first mounting base and the second mounting base;
the method is characterized in that:
the first mounting base has an inner surface facing the second mounting base, an outer surface opposite to the inner surface, the outer surface being provided with a first mounting portion having a first mounting hole;
the rotary member has a second mounting portion exposed to an outer surface, the second mounting portion having a second mounting hole aligned with the first mounting hole in the first state;
the first and second mounting holes are used for the lead sealing lock to pass through, and the first and second mounting parts are locked.
The structure of the rotary member may be various, and preferably the rotary member has an extension extending in the up-down direction, a first locking portion connected to a top wall adjacent to the extension and extending radially outward, and a second locking portion extending radially outward from a part of an outer peripheral wall of the extension, the first and second locking portions being disposed at intervals in the axial direction of the extension;
the first mounting base is provided with a first through hole for the extending section to pass through in the up-down direction, and the hole wall of the first through hole extends at least partially and radially inwards to form a first buckling part;
the second mounting base is provided with a second through hole for the extending section to pass through in the up-down direction, and part of the hole wall of the second through hole extends inwards in the radial direction to form a second buckling part;
in the first state, the first buckling part and the second buckling part are limited between the first locking part and the second locking part.
The second mounting base may have various structures, and preferably, the second mounting base has a second notch portion provided at a circumferential interval from the second engaging portion, the second notch portion being larger in size than the second locking portion for the second locking portion to come in and out;
in the second state, the second locking portion of the rotating member is vertically aligned with the second notch portion.
The first mounting base has a plurality of structures, and is provided with first notch parts which are arranged at intervals in the circumferential direction with the first buckling parts, and the size of the first notch parts is larger than that of the second locking parts for the second locking parts to go in and out in order that the rotating parts are not easy to fall off after the rotating parts are unlocked with the second mounting base;
in the second state, the second locking portion of the rotating member is displaced from the first notch portion in the up-down direction.
Under the second state, the rotating piece is unlocked with the second installation foundation, and at the moment, the second locking part is dislocated with the first notch part, so that the rotating piece is still connected with the first installation foundation, and the rotating piece is not easy to fall off.
In order to facilitate separation of the rotary member from the first mounting base, the first mounting base has a first cutout portion provided at a circumferential interval from the first engaging portion, the first cutout portion being larger in size than the second locking portion for the second locking portion to come in and out;
in the second state, the second locking portion of the rotating member is vertically aligned with the first notch portion.
Thus, after the rotating member is separated from the second mounting base, the second locking portion is aligned with the first notch portion, so that the rotating member is easily separated from the first mounting base.
In order to ensure that the rotating piece is firmly connected with the corresponding installation foundation and simultaneously ensure that the rotating piece can accurately rotate to a locking state or/and an unlocking state, the hole wall of the first through hole or/and the hole wall of the second through hole is provided with a limit part;
the outer peripheral wall of the extension section of the rotating piece is provided with a first limit groove for the limit part to be clamped in the first state or/and a second limit groove for the limit part to be clamped in the second state.
Therefore, the rotating piece is firmly connected with the corresponding installation foundation through the cooperation of the limiting part and the first limiting groove or/and the second limiting groove; different forces are applied in the circumferential direction during rotation, and the rotating hand feeling is good; meanwhile, the limiting part is clamped into the first limiting groove and is accurately positioned to a first state (namely a locking state), and the limiting part is clamped into the second limiting groove and is accurately positioned to a second state (namely an unlocking state).
In order to prevent foreign matter from entering, the first locking part is circular;
in the first state, the first locking portion covers the first through hole. In this way, the first locking portion is advantageous in preventing foreign matter (such as dust, water, insects, etc.) from entering a position between the first mounting base and the second mounting base through the first through hole.
Preferably, the second mounting portion is connected to the first locking portion and extends in a radial direction of the first locking portion. Thus, the second mounting portion serves as a turning handle in addition to being connected to the lead seal lock, and the user turns the rotary member circumferentially by turning the second mounting portion circumferentially.
The utility model solves the second technical problem by adopting the technical proposal that: an electric energy meter, characterized in that: the lead sealing structure comprises the lead sealing structure.
In order to realize lead sealing locking between the terminal box and the end cover, the second installation foundation is the terminal box of the electric energy meter;
the first installation basis is an end cover of the electric energy meter, and the end cover is used for covering the terminal box.
Compared with the prior art, the utility model has the advantages that: through setting up first installation department on first installation basis, set up second installation department on the rotating member, the rotating member has two functions simultaneously like this, firstly be used as the locking structure with first installation basis and second installation basis locking, secondly the rotating member is as the part of lead sealing structure, thereby the rotating member just aligns with second installation department when the rotating member locks first installation basis and second installation basis, thereby the convenience is lead sealed, locking like this and lead sealing are all concentrated on the rotating member, part quantity is less, the operation process is less and the operation is comparatively convenient.
Drawings
Fig. 1 is a schematic perspective view of an electric energy meter according to the present utility model (the rotary member is in a locked state);
FIG. 2 is a longitudinal cross-sectional view of FIG. 1;
FIG. 3 is a transverse cross-sectional view of FIG. 1;
FIG. 4 is a schematic perspective view of a rotating member;
FIG. 5 is an exploded view of FIG. 1;
FIG. 6 is a schematic view of an assembly of a first mounting base and a rotating member;
FIG. 7 is a schematic diagram of another state of the electric energy meter (the rotary member is in the unlocked state) according to the embodiment of the present utility model;
FIG. 8 is a transverse cross-sectional view of FIG. 7;
FIG. 9 is an exploded view of FIG. 7;
fig. 10 is a schematic diagram of the first mounting base and the rotating member.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 10, a preferred embodiment of the electric energy meter to which the lead sealing structure of the present utility model is applied is shown. The lead sealing structure comprises a first mounting base 1, a second mounting base 2, a rotating member 3 and the like.
Wherein the first mounting base 1 has an inner surface facing the second mounting base 2, an outer surface 1a opposite to the inner surface, the outer surface 1a being provided with a first mounting portion 11, the first mounting portion 11 having a first mounting hole 111. The first mounting base 1 has a first through hole 12 through which an extension 33 described below passes in the up-down direction, and the hole wall of the first through hole 12 extends partially radially inward to form the first engaging portion 13 (in other embodiments, the hole wall of the first through hole 12 may also extend entirely radially inward to form the annular first engaging portion 13). In the present embodiment, the first mounting base 1 has the first notched portions 14 provided at intervals in the circumferential direction from the first engaging portions 13, the first notched portions 14 being larger in size than the second locking portions 32 for the second locking portions 32 to come in and out; in the second state, the second locking portion 32 of the rotator 3 is displaced from the first notch portion 14 in the up-down direction. In other embodiments, in the second state, the second locking portion 32 of the rotary 3 is aligned up and down with the first notch portion 14.
The second mounting base 2 has a second through hole 22 through which an extension 33 described below passes in the up-down direction, and a part of the wall of the second through hole 22 extends radially inward to form a second engaging portion 23; in the first state (see fig. 1 to 6), the first engaging portion 13 and the second engaging portion 23 are confined between the first locking portion 31 and the second locking portion 32. The second mounting base 2 has second notched portions 24 spaced apart from the second engaging portions 23 in the circumferential direction, the second notched portions 24 being larger in size than the second locking portions 32 for the second locking portions 32 to come in and out; in the second state (see fig. 7 to 10), the second locking portion 32 of the rotary 3 is aligned up and down with the second cutout portion 24.
The rotating member 3 can perform circumferential rotation with its own axis as a rotation axis, and has two states: in the first state, the rotating member 3 is locked with the first mounting base 1 and the second mounting base 2; in the second state, the rotating member 3 is unlocked from at least one of the first mounting base 1 and the second mounting base 2 (in the present embodiment, in the second state, the rotating member 3 is unlocked from the second mounting base 2). The rotary 3 has a second mounting portion 35 exposed to the outer surface 1a, the second mounting portion 35 having a second mounting hole 351 aligned with the first mounting hole 111 in the first state; the first and second mounting holes 111 and 351 are used for the lead lock 100 to pass through, respectively, and lock the first and second mounting portions 11 and 35. Specifically, the rotary member 3 has an extending section 33 extending in the up-down direction, a first locking portion 31 connected to the top wall adjacent to the extending section 33 and extending radially outwardly, a second locking portion 32 extending radially outwardly from a part of the outer peripheral wall of the extending section 33, the first and second locking portions 31 and 32 being disposed at intervals in the axial direction of the extending section 33; the wall of the first through hole 12 has a limit portion 12a (of course, the limit portion 12a may be disposed on the wall of the second through hole 22); the outer peripheral wall of the extension 33 of the rotating member 3 has a first stopper groove 34 into which the stopper 12a is engaged in the first state, and a second stopper groove 36 into which the stopper 12a is engaged in the second state. The second mounting portion 35 is connected to the first locking portion 31 and extends in the radial direction of the first locking portion 31, so that the second mounting portion 35 can also serve as a handle portion for rotating the rotary member 3. The first locking portion 31 is circular; in the first state, the first locking portion 31 covers the first through hole 12. For the convenience of prompting the user, the surface of the rotating member 3 is provided with a triangular mark 200, the outer surface of the first mounting base 1 is provided with a locking mark or an unlocking mark, and when the triangular mark 200 is aligned with the locking mark, the first mounting base 1 and the second mounting base 2 are locked; when the triangular mark 200 is aligned with the unlock flag, it indicates that the first mount base 1 and the second mount base 2 are unlocked.
In this embodiment, the first mounting base 1 and the second mounting base 2 are distributed up and down, and the first mounting base 1 is located higher than the second mounting base 2. In other embodiments, the first mounting base 1 and the second mounting base 2 may also be distributed left and right.
The electric energy meter comprises the lead sealing structure. The second installation foundation 2 is a terminal box of the electric energy meter; the first installation base 1 is an end cover of the electric energy meter, the end cover is used for covering an end button box, the end button box is connected with the base 4, a control board is installed in the base 4, a wiring terminal used for connecting wires is installed in the end button box, and the wiring terminal is connected with the control board.
The working principle and the using method of the lead sealing structure of the embodiment are as follows:
when locking, the second locking part 32 of the rotating member 3 is aligned with the first notch part 14 of the first mounting base 1, and then the rotating member 3 is rotated until the second locking part 32 is positioned at the first buckling part 13, so that the rotating member 3 is connected with the first mounting base 1; then, the second locking part 32 of the rotating member 3 is aligned with the second notch part 24 of the second mounting base 2, the rotating member 3 is rotated to the position of the second buckling part 23 of the second locking part 32, at this time, the second mounting part 35 of the rotating member 3 is exactly aligned with the first mounting part 11 of the first mounting base 1, and the rotating member 3 is locked with the first mounting base 1 through the lead lock 100, so that the locking and lead sealing of the first mounting base 1 and the second mounting base 2 are simultaneously realized, and convenience and rapidness are realized. In the locked state, please refer to fig. 1-6.
When unlocking is required, the lead lock 100 is removed, the rotary member 3 is rotated reversely, the second locking portion 32 of the rotary member 3 is aligned with the second notch portion 24 of the second mounting base 2, the rotary member 3 is pulled out upward, and the rotary member 3 can be separated from the second mounting base 2, and similarly, the rotary member 3 can be separated from the first mounting base 1. The unlocked state, see fig. 7-10.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "axial", "radial", "circumferential", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and are not intended to indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and that these terms indicating directions are merely for illustration and should not be construed as being limiting, such as "upper", "lower" are not necessarily limited to directions opposite or coincident with the direction of gravity, since the disclosed embodiments of the present utility model may be arranged in different directions.
Claims (10)
1. A lead sealing structure comprises
A first mounting base (1);
a second mounting base (2);
the rotating piece (3) can circumferentially rotate by taking the axis where the rotating piece is located as a rotation axis and has at least two states:
in a first state, the rotating member (3) is locked with the first mounting base (1) and the second mounting base (2);
in the second state, the rotating member (3) is unlocked from at least one of the first mounting base (1) and the second mounting base (2);
the method is characterized in that:
the first mounting base (1) has an inner surface facing the second mounting base (2), an outer surface (1 a) opposite to the inner surface, the outer surface (1 a) being provided with a first mounting portion (11), the first mounting portion (11) having a first mounting hole (111);
the rotary member (3) has a second mounting portion (35) exposed to the outer surface (1 a), the second mounting portion (35) having a second mounting hole (351) aligned with the first mounting hole (111) in the first state;
the first mounting hole (111) and the second mounting hole (351) are used for the lead lock (100) to pass through, and the first mounting part (11) and the second mounting part (35) are locked.
2. The lead sealing structure according to claim 1, wherein: the rotary member (3) has an extending section (33) extending in the up-down direction, a first locking portion (31) connected to a top wall adjacent to the extending section (33) and extending radially outward, a second locking portion (32) formed extending radially outward from a part of an outer peripheral wall of the extending section (33), the first locking portion (31) and the second locking portion (32) being disposed at intervals in the axial direction of the extending section (33);
the first mounting base (1) is provided with a first through hole (12) for the extending section (33) to pass through along the up-down direction, and the hole wall of the first through hole (12) at least partially extends radially inwards to form a first buckling part (13);
the second mounting base (2) is provided with a second through hole (22) for the extending section (33) to pass through along the up-down direction, and part of the hole wall of the second through hole (22) extends inwards in the radial direction to form a second buckling part (23);
in the first state, the first engagement portion (13) and the second engagement portion (23) are restrained between the first locking portion (31) and the second locking portion (32).
3. The lead sealing structure according to claim 2, wherein: the second mounting base (2) has a second notch portion (24) circumferentially spaced from the second engaging portion (23), the second notch portion (24) being larger in size than the second locking portion (32) for the second locking portion (32) to come in and out;
in the second state, the second locking portion (32) of the rotating member (3) is vertically aligned with the second notch portion (24).
4. The lead sealing structure according to claim 2, wherein: the first mounting base (1) has first notch portions (14) arranged at intervals in the circumferential direction from the first engaging portions (13), the first notch portions (14) being larger in size than the second locking portions (32) for the second locking portions (32) to come in and out;
in the second state, the second locking part (32) of the rotating member (3) and the first notch part (14) are staggered in the up-down direction.
5. The lead sealing structure according to claim 2, wherein: the first mounting base (1) has first notch portions (14) arranged at intervals in the circumferential direction from the first engaging portions (13), the first notch portions (14) being larger in size than the second locking portions (32) for the second locking portions (32) to come in and out;
in the second state, the second locking portion (32) of the rotating member (3) is vertically aligned with the first notch portion (14).
6. The lead sealing structure according to claim 2, wherein: the hole wall of the first through hole (12) or/and the hole wall of the second through hole (22) is provided with a limit part (12 a);
the outer peripheral wall of the extension section (33) of the rotating member (3) is provided with a first limit groove (34) for the limit part (12 a) to be clamped in the first state or/and a second limit groove (36) for the limit part (12 a) to be clamped in the second state.
7. The lead sealing structure according to claim 2, wherein: the first locking part (31) is circular;
in the first state, a first locking portion (31) covers the first through hole (12).
8. The lead sealing structure according to claim 7, wherein: the second mounting portion (35) is connected to the first locking portion (31) and extends in the radial direction of the first locking portion (31).
9. An electric energy meter, characterized in that: a lead seal comprising the lead seal as claimed in any one of claims 1 to 8.
10. The electrical energy meter of claim 9, wherein: the second installation foundation (2) is an end button box of the electric energy meter;
the first installation base (1) is an end cover of the electric energy meter, and the end cover is used for covering the end button box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222331558.0U CN218938347U (en) | 2022-08-31 | 2022-08-31 | Lead sealing structure and electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222331558.0U CN218938347U (en) | 2022-08-31 | 2022-08-31 | Lead sealing structure and electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218938347U true CN218938347U (en) | 2023-04-28 |
Family
ID=86060981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222331558.0U Active CN218938347U (en) | 2022-08-31 | 2022-08-31 | Lead sealing structure and electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218938347U (en) |
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2022
- 2022-08-31 CN CN202222331558.0U patent/CN218938347U/en active Active
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