Electric energy meter

Abstract

The utility model provides an electric energy meter, and relates to the technical field of instrument equipment. And the end part in the meter cover of the electric energy meter is opposite to the position of a wiring terminal in the electric energy meter. The side, facing the second wall, of the first wall of the end part and the side, facing the first wall, of the second wall are each provided with a first connecting structure. The wiring cover is used for shielding the end part, and two sides of the wiring cover in the width direction of the electric energy meter are provided with second connection structures. The first connecting structure close to the first wall is matched with the second connecting structure close to the first wall, and the first connecting structure close to the second wall is matched with the second connecting structure close to the second wall, so that the wiring cover is rotatably connected to the meter cover. Wherein one of the first connecting structure and the second connecting structure which are matched with each other is a long-strip-shaped rotating hole, and the other one is a rotating shaft. The interference between the wiring cover and the meter cover when the wiring cover rotates relative to the meter cover can be reduced, and the structural design requirement on the meter cover can be reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of instrument equipment, and particularly relates to an electric energy meter. BACKGROUND

[0002] The electric energy meter is an instrument for measuring electric energy in the power system, and its structural design and function implementation are crucial for the stable operation of the power system and the accurate billing of the power user. The electric energy meter comprises a shell, a wiring terminal and a wiring cover. The shell comprises a cover and a base which are mutually covered, the wiring terminal is installed in the space surrounded by the cover and the base, and is used for connecting an external circuit so as to connect the electric energy meter into the power system for measurement. The wiring cover is connected with the cover and is used for shielding the wiring terminal to protect the wiring terminal from external interference.

[0003] In the prior art, the connection design between the wiring cover and the cover is unreasonable, so that the wiring cover is easy to interfere with the cover when rotating, and the structural design requirement of the cover is relatively high. CONTENT OF THE UTILITY MODEL

[0004] The present application provides an electric energy meter to reduce the possibility of interference between the wiring cover and the cover when the wiring cover rotates, and to reduce the structural design requirement of the cover when realizing the rotational connection between the wiring cover and the cover.

[0005] In the first aspect, the present application provides an electric energy meter, which comprises a cover and a wiring cover. The cover comprises an end head part, and the end head part is opposite to the position of the wiring terminal in the electric energy meter. The end head part comprises first and second walls opposite to each other in the width direction of the electric energy meter, and the side of the first wall facing the second wall and the side of the second wall facing the first wall are both provided with a first connecting structure. The wiring cover is used for shielding the end head part, and the two sides of the wiring cover in the width direction of the electric energy meter are both provided with a second connecting structure.

[0006] The first connecting structure close to the first wall cooperates with the second connecting structure close to the first wall, and the first connecting structure close to the second wall cooperates with the second connecting structure close to the second wall, so as to rotatably connect the wiring cover to the cover. One of the cooperated first and second connecting structures is a long strip-shaped rotating hole, and the other is a rotating shaft.

[0007] By the above scheme, one of the first connecting structure and the second connecting structure is provided as a rotating hole in a strip shape, and the other is provided as a rotating shaft. In this way, the second connecting structure can not only rotate relative to the first connecting structure, but also move relative to the first connecting structure. In this way, when the wiring cover is opened or closed, the possibility of interference between the wiring cover and the cover can be reduced by moving the wiring cover relative to the cover. In the case where the wiring cover can move relative to the cover, a larger space does not need to be provided on the cover to provide a space for the rotation of the wiring cover, so that the design requirements of the structure of the cover can be reduced, and the space occupied by the rotation of the wiring cover relative to the cover can be saved.

[0008] In a possible design, the cover further includes a middle part, the middle part is opposite to the position of the metering module in the electric energy meter, and the middle part includes a vertical plate close to the end part. When the wiring cover is in the closed state, the side of the wiring cover close to the middle part abuts against the vertical plate.

[0009] By the above scheme, there is no gap between the side of the wiring cover close to the middle part and the vertical plate. In this way, not only can impurities such as dust and moisture enter the wiring terminal from the side of the wiring cover close to the middle part and the vertical plate, but also the overall appearance of the electric energy meter can be improved, and the possibility of the wiring cover in the closed state moving relative to the cover towards the direction close to the middle part can be reduced, so that the position stability of the wiring cover in the closed state can be improved.

[0010] In a possible design, in the case where the first connecting structure is a rotating hole and the second connecting structure is a rotating shaft, when the wiring cover is in the closed state, the rotating shaft abuts against the hole wall close to the vertical plate in the rotating hole.

[0011] By the above scheme, when the wiring cover is in the closed state, the hole wall close to the vertical plate in the rotating hole can limit the rotating shaft, so that the rotating shaft cannot move relative to the rotating hole towards the direction close to the middle part, thereby reducing the possibility of the wiring cover in the closed state moving relative to the cover towards the direction close to the middle part, and facilitating the improvement of the position stability of the wiring cover in the closed state.

[0012] In a possible design, the wiring cover includes a cover plate and a side plate in the width direction of the electric energy meter. The rotating shaft is connected to the side plate, the part of the side plate close to the rotating shaft is provided with a hollow part, the hollow part is located between the rotating shaft and the cover plate, and the part of the side plate away from the rotating shaft is connected to the cover plate.

[0013] By providing a gap near the rotating shaft on the side plate, and placing this gap between the rotating shaft and the cover plate, a certain amount of deformation space is provided for the wiring cover when force is applied to it to install it onto the watch cover, making the wiring cover relatively easy to deform. Thus, with the first and second connecting structures on one side properly installed, a large force is not required to install the first and second connecting structures on the other side. Furthermore, the wiring cover recovers its deformation, allowing the rotating shaft and rotating hole to fit securely together, thereby facilitating the installation of the wiring cover and the watch cover.

[0014] In addition, the rotating shaft and the empty part are located on the side plate rather than on the cover plate. This ensures the integrity of the cover plate and makes it easier to improve the overall aesthetics of the electricity meter.

[0015] In one possible design, the void is configured as a hole structure or a slot structure.

[0016] In one possible design, the part of the wiring cover away from the rotation axis is provided with a limiting structure. There are two limiting structures, one of which abuts against the side of the first wall facing the second wall, and the other of which abuts against the side of the second wall facing the first wall.

[0017] With the above scheme, the first wall and the second wall can confine the wiring cover between the first wall and the second wall. In this way, not only can the possibility of the wiring cover in the closed state moving towards the first wall relative to the watch cover be reduced, but also the possibility of the wiring cover in the closed state moving towards the second wall relative to the watch cover be reduced, thereby facilitating the improvement of the positional stability of the wiring cover in the closed state.

[0018] In one possible design, the limiting structure has a protrusion and a limiting plate at the end. When the wiring cover is closed, the protrusion abuts against the side of the limiting plate facing the center.

[0019] By using the above solution, a limiting plate is provided at the end, so that when the wiring cover is in the closed state, the protrusion can abut against the side of the limiting plate facing the center. In this way, the limiting plate can limit the protrusion, preventing it from moving away from the center relative to the limiting plate. This reduces the possibility of the wiring cover moving away from the center relative to the cover when closed, thus improving the positional stability of the wiring cover when closed.

[0020] In one possible design, there are two side panels, one of which abuts against the side of the first wall facing the second wall, and the other of which abuts against the side of the second wall facing the first wall.

[0021] With the above scheme, the first wall and the second wall can confine the wiring cover between the first wall and the second wall. This not only reduces the possibility that the wiring cover in the closed state may move towards the first wall relative to the watch cover, but also reduces the possibility that the wiring cover in the closed state may move towards the second wall relative to the watch cover, thereby improving the positional stability of the wiring cover in the closed state.

[0022] In one possible design, a support block is provided on the side of the upright plate near the end, and when the wiring cover is in the open state, the cover plate abuts against the support block.

[0023] With the above solution, when the wiring cover is in the open state, the cover plate abuts against the support block, which can restrict the wiring cover from rotating in the direction that would close the wiring cover. In this way, the wiring cover can be kept in the open state, so that the operator can perform wiring operations.

[0024] In one possible design, where the first connecting structure is a rotating hole and the second connecting structure is a rotating shaft, the rotating hole is a blind hole provided on the side of the first wall facing the second wall and on the side of the second wall facing the first wall.

[0025] By employing the above method, the rotating hole is not visible on the side of the first wall away from the second wall, thus ensuring the integrity of the first wall and improving the overall aesthetics of the electricity meter. Similarly, the rotating hole is not visible on the side of the second wall away from the first wall, ensuring the integrity of the second wall and improving the overall aesthetics of the electricity meter. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the structure of an energy meter provided in an embodiment of this application from a first-view perspective.

[0027] Figure 2 This is a schematic diagram of the structure of a watch cover provided in an embodiment of this application.

[0028] Figure 3 yes Figure 2 Enlarged view of section A.

[0029] Figure 4 This is a schematic diagram of the structure of a wiring cover provided in an embodiment of this application.

[0030] Figure 5 yes Figure 4 Enlarged view of section B.

[0031] Figure 6 This is a schematic diagram of the structure of an energy meter provided in an embodiment of this application from a second perspective.

[0032] Figure 7 yes Figure 6 A sectional view of section CC.

[0033] Figure 8 yes Figure 6 A sectional view of section DD.

[0034] Figure 9 yes Figure 8 Enlarged view of section E in the middle.

[0035] Figure 10 yes Figure 8 Enlarged view of section F in the middle.

[0036] Explanation of reference numerals in the attached figures:

[0037] 100. Wiring cover; 110. Second connection structure; 120. Cover plate; 130. Side plate; 131. Nozzle; 140. Limiting structure; 141. Protrusion;

[0038] 200, Cover; 210, End portion; 211, First wall; 212, Second wall; 213, Limiting plate; 220, Middle portion; 221, Vertical plate; 2211, Support block; 230, First connecting structure;

[0039] 300. Incoming line end;

[0040] 400, Outgoing cable end. Detailed Implementation

[0041] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0042] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms “comprising” and “having”, and any variations thereof, in the specification, claims and drawings of this application are intended to cover non-exclusive inclusion.

[0043] The term "embodiment" as used herein means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of the phrase "embodiment" in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0044] In this article, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can mean: A exists, A and B exist simultaneously, or B exists. Additionally, the character " / " in this article generally indicates that the preceding and following related objects have an "or" relationship.

[0045] The directional terms appearing in the following description refer to the directions shown in the figures and are not intended to limit the specific structure of this application. For example, in the description of this application, the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the figures. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0046] Furthermore, the terms "first," "second," etc., in the specification and claims of this application or in the aforementioned drawings are used to distinguish different objects rather than to describe a specific order, and may explicitly or implicitly include one or more of the features.

[0047] In the description of this application, unless otherwise stated, "multiple" means two or more (including two), and similarly, "multiple groups" means two or more (including two groups).

[0048] In the description of this application, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, "connection" or "joining" in mechanical structures can refer to a physical connection, such as a fixed connection, for example, a connection fixed by a partition, such as a connection fixed by screws, bolts, or other partitions; a physical connection can also be a detachable connection, such as a snap-fit ​​or interlocking connection; a physical connection can also be an integral connection, such as a connection formed by welding, bonding, or integral molding. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0049] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.

[0050] An electricity meter is an instrument used to measure electrical energy. It is also called an electricity meter, watt-hour meter, or kilowatt-hour meter. It refers to an instrument that measures various electrical quantities. Figure 1 This is a schematic diagram of the structure of an electricity meter provided in an embodiment of this application from a first-view perspective. The electricity meter includes a housing, wiring terminals, and such as... Figure 1 The wiring cover 100 shown. Figure 1 Only the cover 200 in the housing is shown; the base in the housing is not shown.

[0051] The base and the meter cover 200 fit together, forming a space for installing the wiring terminals. The meter cover 200 primarily serves a protective function, preventing external factors from interfering with or damaging the internal structure of the electricity meter. Simultaneously, the meter cover 200 also provides a certain degree of sealing, preventing dust, moisture, and other contaminants from entering the electricity meter and affecting its normal operation.

[0052] The terminal block is located within the space enclosed by the base and the meter cover 200. It is the interface part for connecting the electricity meter to the external circuit and is used to connect the electricity meter to the power system for measurement.

[0053] like Figure 1 As shown, the electricity meter includes an inlet terminal 300 and an outlet terminal 400. Figure 1 Both the inlet terminal 300 and the outlet terminal 400 shown are equipped with terminal covers 100. Figure 1 The terminal cover 100 at the incoming terminal 300 is in a closed state, while the terminal cover 100 at the outgoing terminal 400 is in an open state.

[0054] Figure 2 This is a schematic diagram of the structure of a watch cover provided in an embodiment of this application. For ease of description, as shown below. Figure 1 and Figure 2 As shown, the positions in the meter cover 200 corresponding to the inlet terminal 300 and the outlet terminal 400 are collectively referred to as the end portion 210 of the meter cover 200. This end portion 210 is also opposite to the position of the wiring terminals in the electricity meter.

[0055] Therefore, the closed state of the terminal cover 100 refers to the state in which the terminal cover 100 covers the terminal portion 210. In this state, the terminal cover 100 can protect the terminal from external factors such as dust and moisture. The open state of the terminal cover 100 refers to the state in which the terminal cover 100 does not cover the terminal portion 210. In this state, the terminal cover 100 is lifted up, making it convenient for operators to perform wiring operations at the terminal portion.

[0056] For ease of description, such as Figure 1 and Figure 2 As shown, the part of the meter cover 200 that is opposite to the metering module of the electricity meter is also referred to as the middle part 220 of the meter cover 200. The middle part 220 can also be understood as the part located between the end part 210 of the corresponding inlet terminal 300 and the end part 210 of the corresponding outlet terminal 400.

[0057] Figure 3 yes Figure 2 An enlarged view of part A, as shown below. Figure 2 and Figure 3 As shown, the end portion 210 includes a first wall 211 and a second wall 212 positioned opposite each other in the width direction of the electricity meter. The side of the first wall 211 facing the second wall 212 and the side of the second wall 212 facing the first wall 211 are both provided with a first connecting structure 230.

[0058] Figure 4 This is a schematic diagram of the structure of a wiring cover provided in an embodiment of this application, as shown below. Figures 1 to 4 As shown, the wiring cover 100 is used to cover the end portion 210, and the wiring cover 100 is provided with a second connection structure 110 on both sides of the width direction of the energy meter.

[0059] This application defines the direction from the inlet end 300 to the outlet end 400 of the electricity meter as the length direction of the electricity meter, the direction from the meter cover 200 to the base as the height direction of the electricity meter, and the width direction of the electricity meter as the direction that is perpendicular to both the length direction and the height direction of the electricity meter.

[0060] The first wall 211 and the second wall 212 can be arranged parallel to each other. A first connecting structure 230 is provided on the side of the first wall 211 facing the second wall 212, and a first connecting structure 230 is also provided on the side of the second wall 212 facing the first wall 211. Both of these first connecting structures 230 can be located close to the middle part 220 of the cover 200.

[0061] The wiring cover 100 has a second connecting structure 110 on one side of the energy meter in the width direction, and the wiring cover 100 also has a second connecting structure 110 on the other side of the energy meter in the width direction. The first connecting structure 230 near the first wall 211 cooperates with the second connecting structure 110 near the first wall 211, and the first connecting structure 230 near the second wall 212 cooperates with the second connecting structure 110 near the second wall 212 to rotatably connect the wiring cover 100 to the meter cover 200.

[0062] In this application, such as Figure 3 and Figure 4As shown, one of the first connecting structure 230 and the second connecting structure 110 that cooperate with each other is an elongated rotating hole, and the other is a rotating shaft.

[0063] To elaborate, the configuration methods for the first and second wiring structures can include the following:

[0064] In the first configuration, the first connecting structure 230 near the first wall 211 and the first connecting structure 230 near the second wall 212 are both elongated rotating holes, and the second connecting structure 110 near the first wall 211 and the second connecting structure 110 near the second wall 212 are both rotating shafts.

[0065] In the second configuration, the first connecting structure 230 near the first wall 211 and the first connecting structure 230 near the second wall 212 are both rotating shafts, and the second connecting structure 110 near the first wall 211 and the second connecting structure 110 near the second wall 212 are both elongated rotating holes.

[0066] In the third configuration, the first connecting structure 230 near the first wall 211 and the second connecting structure 110 near the second wall 212 are both rotating shafts, and the second connecting structure 110 near the first wall 211 and the first connecting structure 230 near the second wall 212 are both elongated rotating holes.

[0067] In the fourth configuration, the first connecting structure 230 near the first wall 211 and the second connecting structure 110 near the second wall 212 are both elongated rotating holes, and the second connecting structure 110 near the first wall 211 and the first connecting structure 230 near the second wall 212 are both rotating shafts.

[0068] The elongated rotating hole can be a rectangular hole, an elongated hole with a rounded end, an elongated hole with an elliptical end, etc., and the rotating shaft can be cylindrical, prismatic, etc. This application does not limit these specific types, as long as the elongated rotating hole and the rotating shaft can be properly fitted together. To ensure a good fit between the first connecting structure 230 and the second connecting structure 110, the elongated rotating hole can be an elongated hole with a rounded end, and the rotating shaft can be cylindrical. For ease of description, the elongated rotating hole will be referred to simply as a rotating hole.

[0069] The cooperation between the first connecting structure 230 near the first wall 211 and the second connecting structure 110 near the first wall 211 means that one of the first connecting structure 230 near the first wall 211 and the second connecting structure 110 near the first wall 211 is a rotating shaft inserted into the other is a rotating hole, and the second connecting structure 110 near the first wall 211 can rotate and move relative to the first connecting structure 230 near the first wall 211.

[0070] Similarly, the cooperation between the first connecting structure 230 near the second wall 212 and the second connecting structure 110 near the second wall 212 means that one of the first connecting structure 230 near the second wall 212 and the second connecting structure 110 near the second wall 212 is a rotating shaft inserted into the other is a rotating hole, and the second connecting structure 110 near the second wall 212 can rotate and move relative to the first connecting structure 230 near the second wall 212.

[0071] Taking the first setting method mentioned above as an example, when the electricity meter provided in this application needs to be wired, the second connecting structure 110 on the wiring cover 100 can rotate around the first connecting structure 230 on the meter cover 200 in a first direction. During the process of the wiring cover 100 rotating in the first direction, the second connecting structure 110 on the wiring cover 100 can also move away from the middle part 220 relative to the first connecting structure 230 on the meter cover 200 until the wiring cover 100 switches from the closed state to the open state.

[0072] After the wiring is completed, the second connecting structure 110 on the wiring cover 100 can rotate around the first connecting structure 230 on the watch cover 200 in a second direction. During the rotation of the wiring cover 100 in the second direction, the second connecting structure 110 on the wiring cover 100 can also move relative to the first connecting structure 230 on the watch cover 200 towards the middle part 220 until the wiring cover 100 switches from the open state to the closed state.

[0073] Among them, according to Figure 1 The location of the electricity meter is shown, and it is based on... Figure 1 Taking the wiring cover 100 in the closed state as an example, the first direction can be counterclockwise and the second direction can be clockwise.

[0074] For the second to fourth setting methods mentioned above, the description of the operation process of the wiring cover 100 when the electricity meter needs to be wired or after the wiring is completed can be referred to the example description of the first setting method mentioned above, and will not be elaborated here.

[0075] The electricity meter provided in this embodiment has a first connecting structure 230 on both the first wall 211 and the second wall 212 in the width direction of the meter cover 200. The wiring cover 100 has second connecting structures 110 on both sides in the width direction of the meter. The first connecting structure 230 near the first wall 211 cooperates with the second connecting structure 110 near the first wall 211, allowing the second connecting structure 110 near the first wall 211 to rotate relative to the first connecting structure 230 near the first wall 211. The first connecting structure 230 near the second wall 212 cooperates with the second connecting structure 110 near the second wall 212, allowing the second connecting structure 110 near the second wall 212 to rotate relative to the first connecting structure 230 near the second wall 212. Thus, the wiring cover 100 can rotate relative to the meter cover 200 on both sides in the width direction of the electricity meter.

[0076] Importantly, this application designates one of the mating first connecting structure 230 and the second connecting structure 110 as an elongated rotating hole and the other as a rotating shaft. This allows the second connecting structure 110 to not only rotate relative to the mating first connecting structure 230 but also to move relative to it. Thus, when the wiring cover 100 is opened or closed, the movement of the wiring cover 100 relative to the watch cover 200 reduces the possibility of interference between the wiring cover 100 and the watch cover 200. Since the wiring cover 100 can move relative to the watch cover 200, there is no need to provide a large space on the watch cover 200 to accommodate the rotation of the wiring cover 100. Therefore, the structural design requirements for the watch cover 200 are reduced, and the space occupied by the wiring cover 100 when rotating relative to the watch cover 200 is saved.

[0077] In summary, the electricity meter provided in this application can reduce interference between the wiring cover 100 and the meter cover 200 when the wiring cover 100 rotates relative to the meter cover 200, while also reducing the structural design requirements of the meter cover 200.

[0078] Figure 5 yes Figure 4 An enlarged view of part B in some embodiments, such as Figure 4 and Figure 5 As shown, the wiring cover 100 may include a cover plate 120 and a side plate 130 located in the width direction of the electricity meter. In the case where the first connection structure 230 is a rotating hole and the second connection structure 110 is a rotating shaft, the rotating shaft is connected to the side plate 130, and the side plate 130 has a gap 131 near the rotating shaft. The gap 131 is located between the rotating shaft and the cover plate 120, and the part of the side plate 130 away from the rotating shaft is connected to the cover plate 120.

[0079] The cover plate 120 is the largest plate in the wiring cover 100. It is mainly used to cover the terminal part 210 to protect the wiring terminals from external factors such as dust and moisture.

[0080] The wiring cover 100 has side plates 130 on both sides of the meter's width direction. One side plate 130 is connected to one side of the cover plate 120 in the meter's width direction, and the other side plate 130 is connected to the other side of the cover plate 120 in the meter's width direction. One side plate 130 abuts against the side of the first wall 211 facing the second wall 212, and the other side plate 130 abuts against the side of the second wall 212 facing the first wall 211. In this way, the first wall 211 and the second wall 212 can confine the wiring cover 100 between the first wall 211 and the second wall 212. This not only reduces the possibility of the wiring cover 100 moving towards the first wall 211 relative to the meter cover 200 when it is in the closed state, but also reduces the possibility of the wiring cover 100 moving towards the second wall 212 when it is in the closed state, thereby improving the positional stability of the wiring cover 100 when it is in the closed state.

[0081] The side plate 130 can be integrally formed with the cover plate 120, or the side plate 130 can be separately formed from the cover plate 120 and then connected to the cover plate 120 by means of insertion, snap-fit, or bonding.

[0082] The rotating shaft can be integrally formed on the side plate 130, or it can be separately formed from the side plate 130 and then connected by means of plug-in, snap-fit, threaded connection, etc. This application does not limit this. The wiring cover 100 can be provided with the aforementioned empty part 131 on both side plates 130 in the width direction of the energy meter.

[0083] like Figure 5 As shown, the missing portion 131 is provided on the side plate 130 near the rotation axis and near the cover plate 120, so that the missing portion 131 can be located between the rotation axis and the cover plate 120. With the missing portion 131 provided, the part of the side plate 130 away from the rotation axis can be used to connect with the cover plate 120.

[0084] In some examples, the notch 131 can be a hole structure that does not penetrate the edge of the side plate 130, such as a round hole structure or a square hole structure. The notch 131 can also be as follows: Figure 5 The groove structure shown that runs through the edge of the side plate 130 is, for example, a U-shaped groove structure or a V-shaped groove structure, but this application does not limit it.

[0085] The electricity meter provided in this application has a wiring cover 100 that can be installed generally along the direction from the meter cover 200 to the base towards the meter cover 200. During installation, the second connecting structure 110 in the wiring cover 100 near the first wall 211 can be first installed onto the first connecting structure 230 in the meter cover 200 near the first wall 211. Then, force is applied to the wiring cover 100 so that the second connecting structure 110 in the wiring cover 100 near the second wall 212 is installed onto the first connecting structure 230 in the meter cover 200 near the second wall 212.

[0086] By providing a gap 131 near the rotating shaft on the side plate 130, and with the gap 131 located between the rotating shaft and the cover plate 120, when force is applied to the wiring cover 100 to install it onto the watch cover 200, the gap 131 provides a certain deformation space for the wiring cover 100, making it relatively easy for the wiring cover 100 to deform. Thus, when the first connecting structure 230 and the second connecting structure 110 on one side are properly installed, a large force is not required to install the first connecting structure 230 and the second connecting structure 110 on the other side. Furthermore, the wiring cover 100 recovers its deformation, allowing the rotating shaft and the rotating hole to fit together securely, thereby facilitating the installation of the wiring cover 100 onto the watch cover 200.

[0087] In addition, the rotating shaft and the empty part 131 are located on the side plate 130 instead of the cover plate 120. This ensures the integrity of the cover plate 120 and makes it easier to improve the overall aesthetics of the electricity meter.

[0088] Please continue to refer to Figures 2 to 4 In some embodiments, when the first connecting structure 230 is a rotating hole and the second connecting structure 110 is a rotating shaft, the rotating hole is a blind hole provided on the side of the first wall 211 facing the second wall 212 and on the side of the second wall 212 facing the first wall 211.

[0089] like Figure 2 and Figure 3 As shown, the rotating hole on the first wall 211 does not penetrate the side of the first wall 211 away from the second wall 212, and the rotating hole on the second wall 212 does not penetrate the side of the second wall 212 away from the first wall 211.

[0090] This design ensures that the rotating hole is not visible on the side of the first wall 211 away from the second wall 212, thus maintaining the integrity of the first wall 211 and improving the overall aesthetics of the electricity meter. Similarly, the rotating hole is not visible on the side of the second wall 212 away from the first wall 211, ensuring the integrity of the second wall 212 and improving the overall aesthetics of the electricity meter.

[0091] Please refer to Figure 1and Figure 2 In some embodiments, the middle portion 220 includes a vertical plate 221 near the end portion 210. When the wiring cover 100 is in the closed state, the side of the wiring cover 100 near the middle portion 220 abuts against the vertical plate 221.

[0092] Because this application sets one of the mutually cooperating first connecting structure 230 and the second connecting structure 110 as an elongated rotating hole and the other as a rotating shaft, the wiring cover 100 can be moved towards the center portion 220 during the process of rotating relative to the cover 200 to close. In this way, when the wiring cover 100 is rotated to the closed state, the side of the wiring cover 100 near the center portion 220 can abut against the upright plate 221.

[0093] When the side of the terminal cover 100 near the center 220 abuts against the upright plate 221, there is no gap between the side of the terminal cover 100 near the center 220 and the upright plate 221. This not only reduces the entry of dust, moisture, and other impurities into the terminal through the gap between the side of the terminal cover 100 near the center 220 and the upright plate 221, but also improves the overall aesthetics of the electricity meter. It also reduces the possibility of the terminal cover 100 moving towards the center 220 relative to the meter cover 200 when closed, thus improving the positional stability of the terminal cover 100 when closed.

[0094] Figure 6 This is a schematic diagram of the structure of an electricity meter provided in an embodiment of this application from a second perspective. Figure 7 yes Figure 6 A cross-sectional view of the CC section, in some embodiments, such as Figure 1 , Figure 6 and Figure 7 As shown, when the first connecting structure 230 is a rotating hole and the second connecting structure 110 is a rotating shaft, when the wiring cover 100 is in the closed state, the rotating shaft abuts against the hole wall near the vertical plate 221 in the rotating hole.

[0095] Figure 6 and Figure 7 The wiring cover 100 on the right side is in the closed state, as shown below. Figure 6 As shown, the rotating hole on the cover 200 includes a first hole wall near the upright plate 221, and the rotating shaft on the right wiring cover 100 abuts against the first hole wall of the corresponding rotating hole.

[0096] With this configuration, when the wiring cover 100 is in the closed state, the hole wall near the vertical plate 221 in the rotating hole can limit the rotation shaft, preventing the rotation shaft from moving relative to the rotating hole towards the middle part 220. This reduces the possibility of the wiring cover 100 in the closed state moving relative to the cover 200 towards the middle part 220, thus improving the positional stability of the wiring cover 100 in the closed state.

[0097] If the first connecting structure 230 is a rotating hole and the second connecting structure 110 is a rotating shaft, please continue to refer to... Figure 6 and Figure 7 , Figure 6 and Figure 7 The wiring cover 100 on the left side is in the open position, as shown below. Figure 6 and Figure 7 As shown, the rotating hole on the cover 200 includes a second hole wall away from the upright plate 221, and the rotating shaft on the left wiring cover 100 abuts against the second hole wall of the corresponding rotating hole.

[0098] With this configuration, when the wiring cover 100 is in the open state, the hole wall in the rotating hole away from the vertical plate 221 can limit the rotating shaft, preventing the rotating shaft from moving away from the center part 220 relative to the rotating hole. This reduces the possibility of the wiring cover 100 moving away from the center part 220 relative to the cover 200 when it is in the open state, thus improving the positional stability of the wiring cover 100 when it is in the open state.

[0099] In some embodiments, such as Figure 1 , Figure 2 and Figure 4 As shown, the portion of the wiring cover 100 away from the rotation axis may be provided with a limiting structure 140. There are two limiting structures 140, one of which abuts against the side of the first wall 211 facing the second wall 212, and the other of which abuts against the side of the second wall 212 facing the first wall 211.

[0100] The limiting structure 140 can be plate-shaped, column-shaped, etc.

[0101] The wiring cover 100 may have limiting structures 140 on both sides of the width direction of the energy meter. The limiting structures 140 may be connected to the cover plate 120 or the side plate 130, and this application does not limit them.

[0102] Combination Figure 1 , Figure 2 and Figure 4When the wiring cover 100 is in the closed state, the two side plates 130 of the wiring cover 100 in the width direction of the electricity meter are located between the first wall 211 and the second wall 212. Furthermore, the limiting structure 140 provided on the side of the wiring cover 100 near the first wall 211 abuts against the side of the first wall 211 facing the second wall 212, and the limiting structure 140 provided on the side of the wiring cover 100 near the second wall 212 abuts against the side of the second wall 212 facing the first wall 211.

[0103] With this configuration, the first wall 211 and the second wall 212 can confine the wiring cover 100 between the first wall 211 and the second wall 212. This not only reduces the possibility of the wiring cover 100 in the closed state moving towards the first wall 211 relative to the watch cover 200, but also reduces the possibility of the wiring cover 100 in the closed state moving towards the second wall 212 relative to the watch cover 200, thereby facilitating the improvement of the positional stability of the wiring cover 100 in the closed state.

[0104] Furthermore, Figure 8 yes Figure 6 Sectional view of section DD. Figure 9 yes Figure 8 An enlarged view of part E in the middle, as shown below. Figure 2 , Figure 4 , Figure 8 and Figure 9 As shown, the limiting structure 140 may have a protrusion 141, and the end portion 210 may have a limiting plate 213. When the wiring cover 100 is in the closed state, the protrusion 141 abuts against the side of the limiting plate 213 facing the middle portion 220.

[0105] The limiting structures 140 on both sides of the wiring cover 100 in the width direction of the energy meter can each have a protrusion 141, and the end portion 210 can each have a limiting plate 213 at a position corresponding to the two protrusions 141. Furthermore, the protrusions 141 on the same side in the width direction of the energy meter cooperate with the limiting plate 213.

[0106] The protrusion 141 can be integrally formed with the limiting structure 140 to save assembly steps. Alternatively, the protrusion 141 can be formed separately from the limiting structure 140 and then connected by means of bonding, snap-fitting, or plugging. Similarly, the limiting plate 213 can be integrally formed with the end portion 210 to save assembly steps. Alternatively, the limiting plate 213 can be formed separately from the end portion 210 and then connected by means of bonding, snap-fitting, or plugging.

[0107] The protrusion 141 may be located near the side plate 130. Alternatively, the protrusion 141 may be coplanar with the side plate 130.

[0108] When the protrusion 141 is coplanar with the side plate 130, in the closed state of the wiring cover 100, the protrusion 141 can not only abut against the side of the limiting plate 213 facing the middle portion 220 to reduce the possibility of the wiring cover 100 moving away from the middle portion 220 relative to the cover 200, but also abut against the first wall 211 and the second wall 212, just like the limiting structure 140, to reduce the possibility of the wiring cover 100 moving towards the first wall 211 or towards the second wall 212. Thus, the wiring cover 100 is limited from multiple directions, and the positional stability of the wiring cover 100 in the closed state is improved from multiple directions.

[0109] By providing a protrusion 141 on the limiting structure 140 and a limiting plate 213 on the end portion 210, when the wiring cover 100 is in the closed state, the protrusion 141 can abut against the side of the limiting plate 213 facing the middle portion 220. Thus, the limiting plate 213 can limit the protrusion 141, preventing it from moving away from the middle portion 220 relative to the limiting plate 213. This reduces the possibility of the wiring cover 100 moving away from the middle portion 220 relative to the cover 200 when closed, thereby improving the positional stability of the wiring cover 100 in the closed state.

[0110] Figure 10 yes Figure 8 Please refer to the enlarged image of section F. Figure 3 , Figure 8 and Figure 10 In some embodiments, such as Figure 3 , Figure 8 and Figure 10 As shown, a support block 2211 may be provided on the side of the upright plate 221 near the end portion 210. When the wiring cover 100 is in the open state, the cover plate 120 abuts against the support block 2211.

[0111] The support block 2211 can be a cube, a cuboid, or a columnar structure, etc., and this application does not limit it in this regard.

[0112] The number of support blocks 2211 can be one or more. When there are multiple support blocks 2211, the multiple support blocks 2211 can be spaced apart on one side of the upright plate 221 near the end portion 210.

[0113] When the wiring cover 100 is in the open state, the cover plate 120 abuts against the support block 2211, which can restrict the wiring cover 100 from rotating in the direction that would close the wiring cover 100. In this way, the wiring cover 100 can be kept in the open state so that the operator can perform wiring operations.

[0114] When wiring is required, a force can be applied to the wiring cover 100 in the direction of opening the wiring cover 100 to overcome the restriction of the support block 2211 on the wiring cover 100, thereby facilitating the switching of the wiring cover 100 from the open state to the closed state.

Claims

1. An electricity meter, characterized in that, include: The meter cover includes an end portion, which is opposite to the position of the wiring terminals in the energy meter; The end portion includes a first wall and a second wall positioned opposite each other in the width direction of the energy meter. The side of the first wall facing the second wall and the side of the second wall facing the first wall are both provided with a first connection structure. A wiring cover is used to shield the end portion, and the wiring cover has a second connection structure on both sides in the width direction of the energy meter; A first connecting structure near the first wall and a second connecting structure near the first wall cooperate with each other, and a first connecting structure near the second wall and a second connecting structure near the second wall cooperate with each other to rotatably connect the wiring cover to the watch cover; In this structure, one of the first and second connecting structures that work together is a long, narrow rotating hole, and the other is a rotating shaft.

2. The electricity meter according to claim 1, characterized in that, The meter cover also includes a middle section, which is positioned opposite to the metering module in the electricity meter, and the middle section includes a vertical plate near the end portion; When the wiring cover is in the closed state, the side of the wiring cover near the middle part abuts against the upright plate.

3. The electricity meter according to claim 2, characterized in that, When the first connection structure is a rotating hole and the second connection structure is a rotating shaft, and the wiring cover is in the closed state, the rotating shaft abuts against the hole wall of the rotating hole near the upright plate.

4. The electricity meter according to claim 2, characterized in that, The wiring cover includes a cover plate and a side plate located in the width direction of the electricity meter; The rotating shaft is connected to the side plate, and the side plate has a gap near the rotating shaft. The gap is located between the rotating shaft and the cover plate, and the part of the side plate away from the rotating shaft is connected to the cover plate.

5. The electricity meter according to claim 4, characterized in that, The vacancy is configured as a hole structure or a slot structure.

6. The electricity meter according to claim 4, characterized in that, The wiring cover is provided with a limiting structure at a position away from the rotation axis. There are two limiting structures, one of which abuts against the side of the first wall facing the second wall, and the other of which abuts against the side of the second wall facing the first wall.

7. The electricity meter according to claim 6, characterized in that, The limiting structure is provided with a protrusion, and the end portion is provided with a limiting plate; When the wiring cover is in the closed state, the protrusion abuts against the side of the limiting plate facing the middle part.

8. The electricity meter according to claim 4, characterized in that, The number of side plates is two, one side plate abuts against the side of the first wall facing the second wall, and the other side plate abuts against the side of the second wall facing the first wall.

9. The electricity meter according to any one of claims 4 to 8, characterized in that, A support block is provided on the side of the upright plate near the end portion. When the wiring cover is in the open state, the cover plate abuts against the support block.

10. The electricity meter according to claim 1, characterized in that, When the first connecting structure is a rotating hole and the second connecting structure is a rotating shaft, the rotating hole is a blind hole provided on the side of the first wall facing the second wall and on the side of the second wall facing the first wall.

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