Electric energy meter housing
By adopting the design of the electric meter base, the upper case and the sealing component in the electric meter case, the problem of poor waterproofness at the screw connection of the existing electric meter case is solved, and a two-way sealing and rotation locking are achieved, which significantly improves the sealing waterproof performance.
Patent Information
- Application Number
- CN202421205813.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-30
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-05-30
AI Technical Summary
The existing power meter case has poor waterproofness at the screw connection, which can easily lead to rust of the screw and water entering the base of the power meter, and there is a problem of poor sealing.
The design includes a power meter base, power meter upper case and sealing assembly. The sealing assembly consists of a lower sealing gasket, screws and locking member. The matching of the base docking seat, waterproof groove, positioning groove and copper nut is achieved, and the sealing is locked by the rotation of the locking member to ensure the tightness of the seal.
The two-way seal between the base and the upper shell is achieved to prevent water from entering and rusting of the screws, improve the sealing and waterproof performance of the electric meter case, and reduce safety hazards.
Smart Images
Figure CN222866758U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an electric energy meter housing. Background Art
[0002] An electric energy meter is an instrument used to measure electric energy, also known as an electric meter, fire meter, or kilowatt-hour meter. The case of an electric energy meter is an important component of the electric energy meter, and is responsible for protecting the internal components of the electric energy meter. The case of an electric energy meter directly affects the performance, stability, and safety of the electric energy meter. The existing electric energy meter case includes an upper case and an electric energy meter base. Generally, the upper case and the base of the electric energy meter are connected by screws. The existing upper case of the electric energy meter has poor waterproof properties at the screw mounting holes. Long-term use can easily cause the screws to rust, and even some water can enter the base of the electric energy meter through the screws. There are problems such as poor sealing and potential safety hazards. Improvements and optimizations are made to this end. Utility Model Content
[0003] In order to solve the above problems, the technical problem to be solved by the utility model is to provide an electric energy meter housing with good sealing performance.
[0004] The technical solution adopted by the electric energy meter housing of the utility model: It is characterized in that it includes an electric energy meter base, an electric energy meter upper shell and a sealing component, the sealing component includes a lower sealing gasket, a screw and an upper locking piece, a base docking seat is provided at the four corners of the electric energy meter base, a base waterproof groove is provided in the base docking seat, a base positioning groove is provided in the base waterproof groove, a copper nut threadedly connected to the screw is provided in the base positioning groove, an upper shell docking seat corresponding to the base docking seat is provided on the upper shell of the electric energy meter, a docking seat positioning protrusion corresponding to the base positioning groove is provided at the bottom of the upper shell docking seat, an upper shell docking seat limiting hole for limiting the screw is provided in the docking seat positioning protrusion, and the lower sealing gasket is sleeved outside the docking seat positioning protrusion and placed in the base waterproof groove;
[0005] The locking member includes a locking member locking portion placed in the limiting hole of the upper shell docking seat and resting against the upper end of the screw, and a locking member end sealing portion for sealing, a locking member locking block is provided on the side wall of the locking member locking portion, an upper shell docking seat is provided with an upper shell docking seat sinking groove, the upper shell docking seat sinking groove is provided with a sinking groove rib and a sinking groove inner surrounding edge corresponding to the locking member end sealing portion at the limiting hole of the upper shell docking seat, and a docking seat locking mouth communicated with the limiting hole of the upper shell docking seat and corresponding to the locking member locking block is provided on the sinking groove rib.
[0006] The sealing assembly also includes an observation glass, an upper shell docking seat slot for installing the observation glass is provided on the inner wall of the upper shell docking seat sinking groove, and an upper shell docking seat drainage port is provided on the outer wall of the upper shell docking seat sinking groove.
[0007] The locking member also includes a locking member rotating rod arranged at the upper end of the locking member end sealing portion, and the upper end of the locking member end sealing portion is provided with a locking block indicating protrusion directly above the locking block of the locking member, and the inner edge of the sinking groove is provided with an inner edge indicating protrusion for indicating the locking block of the locking member at the locking mouth of the docking seat.
[0008] The bottom of the upper shell of the electric energy meter is provided with an upper shell docking edge, the base of the electric energy meter is provided with a base docking groove corresponding to the upper shell docking edge, and the inner wall of the base waterproof groove is provided with a drainage hole connected with the base docking groove.
[0009] The height of the lower sealing pad is lower than the height of the base waterproof groove.
[0010] The copper nut and the electric energy meter base are integrally formed by injection molding.
[0011] The advantages of the electric energy meter case of the utility model are: a two-way seal is achieved at the screw connection between the base and the upper shell, and the locking piece is rotated and locked while being waterproof, thereby ensuring the tightness of the seal and effectively preventing it from falling off and loosening; the observation glass is initially protected and blocked, and the drainage port and drainage hole of the upper shell docking seat can achieve two-way drainage, thereby greatly improving the overall sealing and waterproof properties. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0013] Figure 1 It is a structural schematic diagram of the housing of the electric energy meter of the utility model;
[0014] Figure 2 It is an exploded view of the sealing assembly of the utility model;
[0015] Figure 3 It is a structural schematic diagram of the base of the electric energy meter of the utility model;
[0016] Figure 4 yes Figure 3 A magnified image of
[0017] Figure 5 This is a structural schematic diagram of the upper shell of the utility model electric energy meter;
[0018] Figure 6 This is another structural schematic diagram of the upper shell of the electric energy meter of the utility model;
[0019] Figure 7 yes Figure 6 A magnified image of
[0020] Figure 8 It is a structural schematic diagram of the locking member of the utility model. DETAILED DESCRIPTION
[0021] like Figure 1-8 As shown, the electric energy meter housing involved in the utility model includes an electric energy meter base 1, an electric energy meter upper shell 2 and a sealing assembly 3, wherein the sealing assembly 3 includes a lower sealing gasket 5, a screw 6 and an upper locking piece 7, a base docking seat 10 is provided at the four corners of the electric energy meter base 1, a base waterproof groove 11 is provided in the base docking seat 10, a base positioning groove 12 is provided in the base waterproof groove 11, a copper nut 13 threadedly connected to the screw 6 is provided in the base positioning groove 12, an upper shell docking seat 15 corresponding to the base docking seat 10 is provided at the bottom of the upper shell docking seat 15, a docking seat positioning protrusion 16 corresponding to the base positioning groove 12 is provided, an upper shell docking seat limiting hole 17 for limiting the screw 6 is provided in the docking seat positioning protrusion 16, and the lower sealing gasket 5 is sleeved outside the docking seat positioning protrusion 16 and placed in the base waterproof groove 11; the locking piece 7 includes a locking piece locking portion 20 placed in the upper shell docking seat limiting hole 17 and against the upper end of the screw 6, and a locking piece end sealing portion 21 for sealing, the locking piece locking portion 20 side wall is provided with a locking piece locking block 22, the upper shell docking seat 15 is provided with an upper shell docking seat sinking groove 26, the upper shell docking seat sinking groove 26 is provided with a sinking groove rib 27 and a sinking groove inner surrounding edge 29 corresponding to the locking piece end sealing portion 21 at the upper shell docking seat limiting hole 17, the sinking groove rib 27 is provided with a docking seat locking mouth 28 that is communicated with the upper shell docking seat limiting hole 17 and corresponds to the locking piece locking block 22, the screw 6 connection between the electric energy meter base 1 and the upper shell 2 of the electric energy meter realizes a two-way seal, and the locking piece 7 is rotated and locked by the locking block 22 while being waterproof, so as to ensure the tightness of the seal and effectively prevent it from falling off and loosening.
[0022] The sealing assembly 3 also includes an observation glass 8. An upper shell docking seat slot 30 for installing the observation glass 8 is provided on the inner wall of the upper shell docking seat sink groove 26. The upper shell docking seat 15 is provided with an upper shell docking seat drain port 31 on the outer wall of the upper shell docking seat sink groove 26. The observation glass is provided with preliminary protection and can be observed intuitively. The upper shell docking seat drain port 31 realizes upper drainage, further improving the sealing and waterproof performance.
[0023] The locking member 7 also includes a locking member rotating rod 23 arranged at the upper end of the locking member end sealing portion 21, and a locking block indicating protrusion 24 is provided at the upper end of the locking member end sealing portion 21 just above the locking member locking block 22, and the inner edge 29 of the sinking groove is provided with an inner edge indicating protrusion 33 for indicating the locking member locking block 22 at the locking opening 28 of the docking seat, which is convenient for users to operate intuitively and prevents smooth operation due to the blocking of the locking member locking block 22.
[0024] An upper shell docking edge 35 is provided at the bottom of the upper shell 2 of the electric energy meter, and a base docking groove 36 corresponding to the upper shell docking edge 35 is provided on the base 1 of the electric energy meter. A drainage hole 37 communicating with the base docking groove 36 is provided on the inner wall of the base waterproof groove 11 to achieve downward drainage and further improve the sealing and waterproof performance.
[0025] The height of the lower sealing pad 5 is lower than the height of the base waterproof groove 11 .
[0026] The copper nut 13 and the electric energy meter base 1 are integrally formed by injection molding, and the structure is more firm and stable.
[0027] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention are included in the protection scope of the present invention.
Claims
1. An electric energy meter housing, characterized in that: The electric energy meter comprises an electric energy meter base (1), an electric energy meter upper shell (2) and a sealing assembly (3), wherein the sealing assembly (3) comprises a lower sealing gasket (5), a screw (6) and an upper locking member (7), wherein the electric energy meter base (1) is provided with a base docking seat (10) at four corners, wherein the base docking seat (10) is provided with a base waterproof groove (11), wherein the base waterproof groove (11) is provided with a base positioning groove (12), wherein the base positioning groove (12) is provided with a copper nut (13) threadedly connected to the screw (6), wherein the electric energy meter upper shell (2) is provided with an upper shell docking seat (15) corresponding to the base docking seat (10), wherein the bottom of the upper shell docking seat (15) is provided with a docking seat positioning protrusion (16) corresponding to the base positioning groove (12), wherein the docking seat positioning protrusion (16) is provided with an upper shell docking seat limiting hole (17) for limiting the screw (6), wherein the lower sealing gasket (5) is sleeved outside the docking seat positioning protrusion (16) and is placed in the base waterproof groove (11); The locking member (7) comprises a locking member locking portion (20) disposed in the upper shell docking seat limiting hole (17) and abutting against the upper end of the screw (6), and a locking member end sealing portion (21) for sealing, a locking member locking block (22) being provided on the side wall of the locking member locking portion (20), an upper shell docking seat sinking groove (26) being provided on the upper shell docking seat (15), a sinking groove retaining edge (27) and a sinking groove inner surrounding edge (29) corresponding to the locking member end sealing portion (21) being provided on the upper shell docking seat limiting hole (17), and a docking seat locking opening (28) being communicated with the upper shell docking seat limiting hole (17) and corresponding to the locking member locking block (22) being provided on the sinking groove retaining edge (27).
2. The electric energy meter housing according to claim 1, characterized in that: The sealing assembly (3) further comprises an observation glass (8), an upper shell docking seat slot (30) for mounting the observation glass (8) is provided on the inner wall of the upper shell docking seat sink groove (26), and an upper shell docking seat drain port (31) is provided on the outer wall of the upper shell docking seat sink groove (26).
3. The electric energy meter housing according to claim 1, characterized in that: The locking member (7) further comprises a locking member rotating rod (23) arranged at the upper end of the locking member end sealing portion (21); the upper end of the locking member end sealing portion (21) is provided with a locking block indicating protrusion (24) just above the locking member locking block (22); and the inner peripheral edge (29) of the sinking groove is provided with an inner peripheral edge indicating protrusion (33) for indicating the locking member locking block (22) at the locking opening (28) of the docking seat.
4. The electric energy meter housing according to claim 1, characterized in that: The bottom of the upper shell (2) of the electric energy meter is provided with an upper shell docking edge (35), the electric energy meter base (1) is provided with a base docking groove (36) corresponding to the upper shell docking edge (35), and the inner wall of the base waterproof groove (11) is provided with a drainage hole (37) communicating with the base docking groove (36).
5. The electric energy meter housing according to claim 1, characterized in that: The height of the lower sealing pad (5) is lower than the height of the base waterproof groove (11).
6. The electric energy meter housing according to claim 1, characterized in that: The copper nut (13) and the electric energy meter base (1) are integrally formed by injection molding.