Lead sealing structure and electric energy meter

Abstract

The utility model belongs to the technical field of electric energy meters, and discloses a lead sealing structure and an electric energy meter. The lead sealing structure comprises a cover cap and a lead sealing column, a lead sealing groove is formed in the cover cap, a limiting rib is arranged in the lead sealing groove in the first direction, and a first opening groove is formed in the lead sealing column; two opposite side walls of the first open slot are respectively provided with a first bulge, and two sides of the limiting rib are respectively provided with a first groove; or, the two opposite side walls of the first opening groove are each provided with a first groove, and the two sides of the limiting rib are each provided with a first protrusion; when the limiting rib is inserted into the first opening groove, the first protrusion is embedded into the first groove corresponding to the first protrusion, the lead sealing column can be prevented from being separated from the lead sealing groove, and therefore the lead sealing column is clamped in the lead sealing groove, the lead sealing structure simplifies the assembly process of the lead sealing, installation personnel can rapidly complete installation of the lead sealing column, the installation efficiency is improved, and the installation cost is reduced. And the accurate position of the lead sealing column is ensured, the electric energy meter is prevented from being illegally opened or tampered, and the safety of the electric energy meter is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric energy meters, in particular to a lead seal structure and an electric energy meter. Background Art

[0002] As one of the important measures to prevent electricity theft in electric meters, the main function of the lead seal is to ensure that the electric energy meter is not illegally opened or tampered with during use. However, the traditional lead seal structure is complex, and there are many installation steps for the lead seal. Usually, special tools and technicians are required for operation, which increases the installation time and difficulty. Due to the cumbersome installation steps, installers are prone to operation errors, resulting in the lead seal being unable to play a normal protective role.

[0003] Therefore, there is an urgent need for a lead seal structure and an electric energy meter to solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a lead seal structure, which simplifies the assembly process of the lead seal column, enables installers to quickly complete the installation of the lead seal column, improves the installation efficiency, ensures the accurate position of the lead seal column, avoids the electric energy meter from being illegally opened or tampered with, and improves the safety of the electric energy meter.

[0005] To achieve the above object, the utility model adopts the following technical solutions:

[0006] A lead seal structure, comprising:

[0007] A cover, on which a lead seal groove is provided, and a limiting rib is arranged in the lead seal groove along a first direction;

[0008] A lead seal column, on which a first opening groove is provided;

[0009] On two opposite side walls of the first opening groove, first protrusions are respectively provided, and on two sides of the limiting rib, first grooves are respectively provided;

[0010] Or, on two opposite side walls of the first opening groove, first grooves are respectively provided, and on two sides of the limiting rib, first protrusions are respectively provided;

[0011] The limiting rib is inserted into the first opening groove, and the first protrusion is embedded in the corresponding first groove.

[0012] Optionally, the lead seal column is a solid column;

[0013] Or, a second opening groove is provided on the lead seal column, and the first opening groove is provided on the side wall of the second opening groove, and the first opening groove and the second opening groove have the same orientation.

[0014] Optionally, at least two of the first opening grooves are oppositely arranged on the side wall of the second opening groove.

[0015] Optionally, an avoidance groove is provided at the bottom of the second opening groove.

[0016] Optionally, guiding inclined surfaces are provided on two opposite sides of the entrance of the first opening groove.

[0017] Optionally, the first groove is an arc groove, and the first protrusion is an arc protrusion.

[0018] Optionally, a guiding conical surface is provided at one end of the seal post inserted into the seal groove, and the guiding conical surface is used to guide the seal post to be assembled into the seal groove.

[0019] Optionally, the first end of the limiting rib is connected to the bottom of the seal groove, and the width of the limiting rib gradually increases in the direction from the second end of the limiting rib to the first end of the limiting rib.

[0020] Optionally, the first end of the limiting rib is connected to the bottom of the seal groove, and the width of the limiting rib remains unchanged in the direction from the second end of the limiting rib to the first end of the limiting rib.

[0021] The purpose of the present utility model is to provide an electric energy meter. By adopting the above seal structure, the fastener is prevented from being privately disassembled, effectively protecting the integrity and data security of the electric energy meter, and preventing the acts of illegally stealing electric energy or tampering with the electric meter data.

[0022] To achieve this purpose, the present utility model adopts the following technical solutions:

[0023] An electric energy meter, comprising a base, a cover, a fastener and the above seal structure, the cover is covered on the base, a seal groove is provided on the cover, the fastener is arranged in the seal groove, the fastener is used to tightly connect the cover and the base, and the seal structure is used to block the fastener in the seal groove.

[0024] Beneficial effects:

[0025] The lead seal structure provided by the present utility model includes a cover and a lead seal column. A lead seal groove is provided on the cover. A limiting rib is arranged in the lead seal groove along a first direction. A first opening groove is provided on the lead seal column. First protrusions are respectively arranged on two opposite side walls of the first opening groove. First grooves are respectively arranged on two sides of the limiting rib. Or, first grooves are respectively arranged on two opposite side walls of the first opening groove, and first protrusions are respectively arranged on two sides of the limiting rib. When the limiting rib is inserted into the first opening groove, it can limit the rotation of the lead seal column along the lead seal groove. When the first protrusion is embedded in the corresponding first groove, it can limit the lead seal column from being taken out of the lead seal groove, thereby clamping the lead seal column in the lead seal groove. This lead seal structure simplifies the assembly process of the lead seal column, enables the installer to quickly complete the installation of the lead seal column, improves the installation efficiency, ensures the accurate position of the lead seal column, avoids the electric energy meter from being illegally opened or tampered with, and improves the safety of the electric energy meter.

[0026] The electric energy meter provided by the present utility model includes a base, a cover, a fastener and the above-mentioned lead seal structure. The cover is covered on the base. A lead seal groove is provided on the cover. The fastener is arranged in the lead seal groove. The fastener is used to tightly connect the cover and the base. The lead seal structure is used to block the fastener in the lead seal groove, thereby preventing the fastener from being privately disassembled, effectively protecting the integrity and data security of the electric energy meter, and preventing the behavior of illegally stealing electric energy or tampering with the electric meter data. Description of the Drawings

[0027] Figure 1 is an exploded view of the lead seal structure provided by Embodiment 1 of the present utility model;

[0028] Figure 2 is a schematic structural view of the lead seal column provided by the embodiment of the present utility model;

[0029] Figure 3 is a cross-sectional view of the lead seal structure provided by Embodiment 1 of the present utility model;

[0030] Figure 4 is Figure 3 a partial enlarged view of A in;

[0031] Figure 5 is a cross-sectional view of the electric energy meter provided by Embodiment 3 of the present utility model;

[0032] Figure 6 is Figure 5 a partial enlarged view of B in.

[0033] In the figure:

[0034] 100, cover; 110, lead seal groove; 120, limiting rib; 121, first groove;

[0035] 200. Sealing post; 210. First opening groove; 211. First protrusion; 212. Guide inclined surface; 220. Second opening groove; 230. Avoidance groove; 240. Guide conical surface;

[0036] 300. Base. Detailed implementation manner

[0037] The following further elaborates on the present utility model in conjunction with the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are merely used to explain the present utility model and do not limit the present utility model. Additionally, it should be noted that for the sake of description, only the parts related to the present utility model rather than all the structures are shown in the drawings.

[0038] In the description of the present utility model, unless otherwise clearly specified and defined, the terms "connected", "connected to", and "fixed" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0039] In the present utility model, unless otherwise clearly specified and defined, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features between them. Moreover, the first feature being "above", "above the upper part", and "on the upper surface" of the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "below the lower part", and "on the lower surface" of the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the horizontal height of the first feature is lower than that of the second feature.

[0040] In the description of this embodiment, the orientation or positional relationships such as "upper", "lower", "left", and "right" are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of description and simplifying the operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for distinction in description and do not have special meanings.

[0041] Embodiment 1

[0042] This embodiment provides a sealing structure, as Figures 1-4As shown, the lead sealing structure includes a cover 100 and a lead sealing column 200. The cover 100 is provided with a lead sealing groove 110. A limiting rib 120 is provided in the lead sealing groove 110 along a first direction. First grooves 121 are respectively provided on both sides of the limiting rib 120. The two first grooves 121 are opened opposite to each other in the second direction. The first direction and the second direction are perpendicular. A first opening groove 210 is provided on the lead sealing column 200. Two opposite side walls of the first opening groove 210 are respectively provided with first protrusions 211. When the lead sealing column 200 blocks the lead sealing groove 110, the limiting rib 120 is inserted into the limiting rib 121. In the first opening groove 210, the lead seal column 200 can be restricted from rotating in the lead seal groove 110. The first protrusion 211 is embedded in the first groove 121 corresponding thereto, which can restrict the lead seal column 200 from escaping from the lead seal groove 110, thereby locking the lead seal column 200 in the lead seal groove 110. The lead seal structure simplifies the assembly process of the lead seal, enables the installer to quickly complete the installation of the lead seal, improves the installation efficiency of the lead seal, ensures the accurate position of the lead seal column 200, prevents the electric energy meter from being illegally opened or tampered with, and improves the safety of the electric energy meter.

[0043] It is understandable that when the seal column 200 is assembled in the seal groove 110, the end of the seal column 200 facing away from the cover 100 is a plane, which is flush with or lower than the notch of the seal groove 110. Therefore, it is impossible to apply force to pull the seal column 200 out of the seal groove 110. If the seal column 200 is to be taken out of the seal groove 110, the seal column 200 can only be destroyed, thereby preventing the electric energy meter from being tampered with and effectively protecting the safety of the electric energy meter.

[0044] Optionally, during the assembly of the lead-sealing column 200 , the provision of the first opening groove 210 can provide a space for the lead-sealing column 200 to be squeezed and deformed, thereby facilitating the matching of the limiting rib 120 with the first opening groove 210 .

[0045] Alternatively, if Figures 2-4 As shown, the lead seal column 200 is provided with a second opening groove 220, and the side wall of the second opening groove 220 is provided with a first opening groove 210, and the first opening groove 210 and the second opening groove 220 are oriented in the same direction. It can be understood that a fastener is generally provided in the lead seal groove 110, and the fastener fastens the cover 100 and the base 300. By providing the second opening groove 220 on the lead seal column 200, part of the fastener can be embedded in the second opening groove 220, making the lead seal structure more compact. In this embodiment, the fastener is a fastening screw, and after the lead seal column 200 is assembled in the lead seal groove 110, the nail head of the fastening screw is located in the second opening groove 220.

[0046] In other embodiments, the seal post 200 is a solid column. Compared with a hollow structure, the solid column has higher structural strength and stability. The solid seal post 200 can withstand greater external forces and impacts, reducing the possibility of deformation and damage, and ensuring the long-term reliability of the seal.

[0047] Optionally, in this embodiment, two first opening grooves 210 are oppositely arranged on the side wall of the second opening groove 220. Two limiting ribs 120 are arranged in the seal groove 110. The limiting ribs 120 correspond to the first opening grooves 210 one by one. The two limiting ribs 120 are respectively inserted into the two first opening grooves 210 of the seal post 200, which can more effectively limit the rotation and extraction of the seal post 200. The double-limiting design improves the anti-disassembly performance, further prevents illegal disassembly and tampering behaviors, and ensures the safety of the electric energy meter. It should be noted that the setting quantity of the first opening grooves 210 and the limiting ribs 120 is not specifically limited, as long as the limiting ribs 120 and the first opening grooves 210 correspond to each other one by one.

[0048] Optionally, as Figure 4 shown, an avoidance groove 230 is provided at the bottom of the second opening groove 220. The avoidance groove 230 can avoid the fastening screws in the seal groove 110, further preventing interference between the seal post 200 and the fastening screws, and making the insertion of the seal post 200 into the seal groove 110 smoother and more accurate.

[0049] Optionally, guiding inclined surfaces 212 are provided on the two opposite sides at the entrance of the first opening groove 210. The guiding inclined surfaces 212 make the limiting ribs 120 more smoothly and accurately inserted into the first opening groove 210, enabling the installer to more easily complete the assembly work of the seal post 200.

[0050] Optionally, the first groove 121 is an arc groove, and the first protrusion 211 is an arc protrusion, ensuring a tighter fit between the first groove 121 and the first protrusion 211, reducing the shaking of the seal post 200, and improving the stability of the seal post 200.

[0051] Optionally, a guiding conical surface 240 is provided at one end of the seal post 200 inserted into the seal groove 110. The guiding conical surface 240 is used to guide the seal post 200 to be assembled in the seal groove 110, making the installation of the seal post 200 more simple and accurate, reducing the jamming phenomenon during the assembly process, and improving the assembly efficiency.

[0052] Optionally, as Figure 4As shown, the first end of the limiting rib 120 is connected to the bottom of the lead sealing groove 110, and the width of the limiting rib 120 gradually increases from the second end of the limiting rib 120 to the direction of the first end of the limiting rib 120, which can provide a more stable fixing force when the lead sealing column 200 is inserted into the lead sealing groove 110, thereby reducing the loosening and shaking of the lead sealing column 200 during use.

[0053] In other embodiments, the first end of the limiting rib 120 is connected to the bottom of the lead sealing groove 110, and the width of the limiting rib 120 remains unchanged in the direction from the second end of the limiting rib 120 to the first end of the limiting rib 120, thereby ensuring that the lead sealing column 200 is subjected to uniform force during the cooperation between the limiting rib 120 and the first opening groove 210, thereby improving the stability of the lead sealing column 200.

[0054] Embodiment 2

[0055] The present embodiment provides a lead seal structure, which is basically the same as the first embodiment, and is different from the first embodiment in that first protrusions 211 are respectively provided on both sides of the limiting rib 120, a first opening groove 210 is provided on the lead seal column 200, and two opposite side walls of the first opening groove 210 are respectively provided with first grooves 121, and the two first grooves 121 are opened opposite to each other in the second direction. When the lead seal column 200 blocks the lead seal groove 110, the limiting rib 120 is inserted into the first opening groove 210, which can limit the lead seal column 200 from rotating in the lead seal groove 110, and the first protrusion 211 is embedded in the first groove 121 corresponding thereto, which can limit the lead seal column 200 from escaping from the lead seal groove 110, thereby locking the lead seal column 200 in the lead seal groove 110. The lead seal structure simplifies the assembly process of the lead seal, so that the installer can quickly complete the installation of the lead seal, improves the installation efficiency of the lead seal, ensures the accurate position of the lead seal column 200, and improves the protection effect of the lead seal column 200 on the electric energy meter.

[0056] Embodiment 3

[0057] This embodiment provides an electric energy meter, such as Figures 5-6 As shown, the electric energy meter includes a base 300, a cover 100, a fastener and a lead seal structure in any of the above embodiments. The cover 100 is covered on the base 300, and a lead seal groove 110 is provided on the cover 100. The fastener is arranged in the lead seal groove 110. The fastener is used to fasten the cover 100 and the base 300. The lead seal structure is used to seal the fastener in the lead seal groove 110, so as to prevent the fastener from being disassembled privately, effectively protect the integrity and data security of the electric energy meter, and prevent illegal theft of electric energy or tampering of the meter data.

[0058] Optionally, the fastener is a fastening screw, which helps to ensure that the cover 100 and the base 300 are more tightly connected, thereby ensuring the safety and reliability of the electric energy meter during use.

[0059] Obviously, the above embodiments of the present utility model are merely examples for clearly illustrating the present utility model, rather than limitations on the implementation manners of the present utility model. For those of ordinary skill in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the protection scope of the present utility model. It is not necessary and impossible to enumerate all implementation manners here. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the claims of the present utility model.

Claims

1. Lead seal structure, characterized in that: include: A cover (100), wherein a lead sealing groove (110) is provided on the cover (100), and a limiting rib (120) is provided in the lead sealing groove (110) along a first direction; A lead sealing column (200), wherein the lead sealing column (200) is provided with a first opening groove (210); Two opposite side walls of the first opening groove (210) are respectively provided with first protrusions (211), and two sides of the limiting rib (120) are respectively provided with first grooves (121); Or, two opposite side walls of the first opening groove (210) are respectively provided with a first groove (121), and two sides of the limiting rib (120) are respectively provided with a first protrusion (211); The limiting rib (120) is inserted into the first opening groove (210), and the first protrusion (211) is embedded in the first groove (121) corresponding thereto.

2. The lead seal structure according to claim 1, characterized in that: The lead seal column (200) is a solid column; Alternatively, the lead seal column (200) is provided with a second opening groove (220), a side wall of the second opening groove (220) is provided with the first opening groove (210), and the first opening groove (210) and the second opening groove (220) are oriented in the same direction.

3. The lead seal structure according to claim 2, characterized in that: At least two of the first opening grooves (210) are arranged oppositely on the side wall of the second opening groove (220).

4. The lead seal structure according to claim 2, characterized in that: The bottom of the second opening groove (220) is provided with an avoidance groove (230).

5. The lead seal structure according to claim 1, characterized in that: Guide slopes (212) are provided on opposite sides of the entrance of the first opening groove (210).

6. The lead seal structure according to claim 1, characterized in that: The first groove (121) is an arc-shaped groove, and the first protrusion (211) is an arc-shaped protrusion.

7. The lead seal structure according to claim 1, characterized in that: One end of the lead seal column (200) inserted into the lead seal groove (110) is provided with a guide cone surface (240), and the guide cone surface (240) is used to guide the lead seal column (200) to be assembled in the lead seal groove (110).

8. The lead seal structure according to claim 1, characterized in that: The first end of the limiting rib (120) is connected to the bottom of the lead sealing groove (110), and the width of the limiting rib (120) gradually increases in a direction from the second end of the limiting rib (120) to the first end of the limiting rib (120).

9. The lead seal structure according to claim 1, characterized in that: The first end of the limiting rib (120) is connected to the bottom of the lead sealing groove (110), and the width of the limiting rib (120) remains unchanged in the direction from the second end of the limiting rib (120) to the first end of the limiting rib (120).

10. An electric energy meter, characterized in that: The invention comprises a base (300), a cover (100), a fastener and a lead sealing structure according to any one of claims 1 to 9, wherein the cover (100) is covered on the base (300), a lead sealing groove (110) is provided on the cover (100), the fastener is arranged in the lead sealing groove (110), the fastener is used to fasten the cover (100) and the base (300) together, and the lead sealing structure is used to seal the fastener in the lead sealing groove (110).

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