CN219496491U - Karman structure and quantitative electric energy meter - Google Patents

Abstract

The utility model relates to an electric energy meter technical field to provide a karman structure and ration electric energy meter, wherein the karman structure includes cassette and karman lid, and the cassette is provided with the notch, and the notch is located the junction of two adjacent surfaces of cassette, and the notch is including first lateral wall, and the karman lid is installed in the notch, and the karman lid is including first bounding wall and socket, and the socket is used for supplying the card to plug, is provided with the smooth structure of inserting between first lateral wall and the first bounding wall, and the smooth direction of inserting of smooth structure is different from the direction of card plug in the socket; wherein the quantitative electric energy meter comprises a karman structure. The karman structure and the quantitative electric energy meter have the advantages of being simple in assembly mode and high in production efficiency.

Description

Karman structure and quantitative electric energy meter

Technical Field

The application belongs to the technical field of electric energy meters, and more particularly relates to a karman structure and a quantitative electric energy meter.

Background

The electric energy meter is a common meter for measuring various electric quantities, when the electric energy meter is connected to a circuit to be measured, alternating current generates magnetic flux in an iron core, so that an aluminum disk induces eddy current and then rotates, the aluminum disk drives a counter to indicate consumed electric energy, and the electric energy meter can be divided into a quantitative electric energy meter, a loss electric energy meter, a multifunctional electric energy meter and the like according to the purposes of the electric energy meter.

The quantitative electric energy meter not only has the metering function of a common electric energy meter, but also can automatically start and cut off the power supply according to the electricity buying condition of a user, so that the electric energy meter has the characteristics of high safety performance, electricity larceny prevention and the like, and is widely used in places such as apartments and office buildings where the function of prepayment of electricity is required.

Generally, in the production and assembly process of the quantitative electric energy meter, an operator needs to assemble the card door structure, and the card door structure after assembly needs to be ensured to meet the relevant waterproof and dustproof performance standards of the country and industry in the use process.

For example: the utility model provides a chinese patent of application number 201320015738.6 discloses an anti-drop card door on intelligent ammeter, including the fixed plate that has the bayonet socket, cover the dust guard of bayonet socket and control this dust guard flexible elastic sheet, the fixed plate is equipped with the inside groove, this inside groove intercommunication bayonet socket, in elastic sheet and dust guard are arranged in the inside groove, the dust guard corresponds with the bayonet socket and arranges, is equipped with fixed screw on the fixed plate and supplies screw interconnect.

For the related art in the above, there are the following drawbacks:

similar to the conventionally designed karman structure, the bolt connection fixing mode is adopted, screw holes and manufacturing screws are needed to be arranged in the production process, and the assembling is carried out by means of tools such as screwdrivers, so that the problems of troublesome assembling and low production efficiency exist.

Disclosure of Invention

An object of the embodiment of the application is to provide a karman structure and quantitative electric energy meter to solve the technical problems that the assembly of a common karman structure is troublesome and the production efficiency is low.

In order to achieve the above object, according to a first aspect, the present application adopts the following technical scheme:

there is provided a karman construction comprising:

the clamping door seat is provided with a notch, the notch is positioned at the joint of two adjacent surfaces of the clamping door seat, and the notch comprises a first side wall; the method comprises the steps of,

the card door cover is arranged in the notch and comprises a first coaming and a socket, and the socket is used for inserting and pulling out a card;

the sliding plug structure is arranged between the first side wall and the first coaming, and the sliding plug direction of the sliding plug structure is different from the direction of the card plug in the socket.

In one technical scheme of the application, the first side wall is provided with two ends and located the notch respectively, and the first coaming is provided with two ends and located the two ends of the karman cover respectively.

In an achievable technical scheme of the application, the sliding plug structure comprises a first sliding part and a second sliding part, wherein the first sliding part is arranged on the first side wall, the second sliding part is arranged on the first coaming, and the first sliding part and the second sliding part are mutually provided with a sliding block and a sliding groove.

In an achievable technical scheme of the application, the card door cover still includes the stopper, and the notch still includes the diapire, and the diapire is provided with the spacing recess with stopper looks joint.

In an achievable technical scheme of the application, a bayonet which is correspondingly arranged with the socket is arranged in the notch, a clamping piece is arranged between the notch and the door cover, and the clamping piece is used for opening and closing the bayonet.

In an achievable technical scheme of the application, the notch further comprises a second side wall and a baffle plate which are respectively positioned on two sides of the bayonet, and the clamping piece is clamped between the second side wall and the baffle plate.

In an realizable technical scheme of the application, the chucking spare includes shielding strip and elastic component, and shielding strip is sharp strip structure, and the elastic component is pitch arc strip structure, and the middle part of shielding strip is connected with the middle part of elastic component, and shielding strip is equipped with the bayonet socket guide surface.

In one possible technical solution of the present application, the card door cover is provided with socket guide surfaces around the socket.

In one technical scheme of the application, an exposed access hole is formed at the joint of one end of the card door cover and the card door seat.

In order to achieve the above object, according to a second aspect, the present application adopts the following technical scheme:

provided is a quantitative electric energy meter including:

the karman structure.

In summary, the present application at least includes the following beneficial technical effects:

1. through the mutual cooperation of the clamping door seat and the clamping door cover, the first side wall and the first coaming are connected in a sliding manner, so that the effect of convenient assembly is achieved, and compared with the prior art, the clamping door structure adopts a bolt connection fixing mode, screw holes and screws are not required to be arranged, and the clamping door cover can be stably installed on the clamping door seat without additional tools for assembly such as a screwdriver, so that the assembling mode is simpler and the production efficiency is higher;

2. the clamping door cover and the clamping door seat are respectively provided with a limiting block and a limiting groove, so that the installation stability between the clamping door cover and the clamping door seat is further enhanced, the connection between the components is tighter, and the quality of a product is higher.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a karman structure according to an embodiment of the present application.

Fig. 2 is an exploded view of a karman construction in an embodiment of the present application.

Fig. 3 is a schematic bottom structure of a clamping member and a door cover according to an embodiment of the present application.

Fig. 4 is a schematic top structure diagram of a card door seat according to an embodiment of the present application.

Fig. 5 is a schematic structural diagram of a quantitative electric energy meter according to an embodiment of the present application.

Wherein, each reference sign in the figure:

100. a karman structure;

1. a clamping door seat; 11. a first sidewall; 111. a first sliding member; 12. a second sidewall; 13. a bottom wall; 14. a bayonet; 15. a limit groove; 16. a baffle;

2. a cassette door cover; 21. a first coaming; 211. a second sliding member; 22. a second coaming; 23. a top wall; 24. a socket; 241. a socket guide surface; 25. a limiting block; 26. an access opening;

3. a clamping piece; 31. a shielding strip; 311. a bayonet guide surface; 32. an elastic member.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 5, a karman structure and a quantitative electric energy meter according to an embodiment of the present application will be described.

Referring to fig. 1 and 2, an embodiment of the present application provides a door structure, which includes a door seat 1 and a door cover 2.

The clamping door seat 1 is provided with a notch, the notch is positioned at the joint of two adjacent surfaces of the clamping door seat 1, the clamping door seat 1 is integrally injection molded by plastic materials, and the notch comprises a first side wall 11.

The card door cover 2 is arranged in the notch, the card door cover 2 comprises a first coaming 21 and a socket 24, the socket 24 is used for inserting and pulling out a card, and the card door cover 2 can be an insulating plastic piece;

wherein, a sliding structure is disposed between the first side wall 11 and the first coaming 21, and a sliding direction of the sliding structure is different from a direction of inserting and pulling the card into the socket 24.

In the karman structure of this application, through set up first lateral wall 11 on karman seat 1, set up first bounding wall 21 on the karman lid 2, sliding plug is connected between first bounding wall 21 and the first lateral wall 11, has played the convenient effect of equipment, and the installation is firm between karman seat 1 and the karman lid 2, and the equipment mode is simple, and production efficiency is high.

In this embodiment, the notch is formed by the edge of one side of the card holder 1 being recessed inwards, the card door cover 2 further includes a top wall 23, two ends of the top wall 23 are respectively connected with the first coaming 21, the socket 24 is arranged in the middle of the top wall 23, and the sliding direction of the sliding structure is perpendicular to the direction of inserting and pulling the card into the socket 24.

In one embodiment, the first side wall 11 is provided with two ends respectively located at the notch, the first coaming 21 is provided with two ends respectively located at the two ends of the card door cover 2 correspondingly, the first side wall 11 and the first coaming 21 are both provided with two ends, and compared with the mode that only one first side wall 11 and one first coaming 21 are provided, the two ends of the card door cover 2 are connected with the card door seat 1, so that one end of the card door cover 2, which is not provided with the first coaming 21, is limited to tilt or shake, and the stability of connection between the card door seat 1 and the card door cover 2 can be ensured, thereby improving the product quality of the application.

Further, the sliding structure includes a first sliding component 111 and a second sliding component 211, the first sliding component 111 is disposed on the first side wall 11, the second sliding component 211 is disposed on the first enclosing plate 21, in this embodiment, the two first sliding components 111 are both sliding blocks, the two second sliding components 211 are both matched sliding grooves, in another embodiment, the two first sliding components 111 are both sliding grooves, the two second sliding components 211 are both matched sliding blocks, in other embodiments, one of the two first sliding components 111 is a sliding groove, the other one is a sliding block, and one of the two second sliding components 211 is a sliding block, and the other is a sliding groove, so that according to the production conditions and the actual requirements, the sliding structure between the first side wall 11 and the first enclosing plate 21 can select different sliding blocks and sliding groove combinations, so as to enrich the diversity of products and meet the requirements of more usage scenarios.

Specifically, the shape phase-match of spout and slider, the shape of slider can be sharp bar piece, the length direction of slider is parallel with the length direction of first bounding wall 21, clearance fit between slider and the spout, the length direction of slider also can incline each other with the length direction of first bounding wall 21 between, the shape of slider can satisfy after the assembly is accomplished, the spout can restrict the slider in the length direction of parallel first bounding wall 21 and perpendicular first bounding wall 21's length direction remove can, the mounting means between slider and the spout is simple, make this application clamping door lid 2's packaging efficiency high.

Referring to fig. 3 and fig. 4, in an embodiment, the card door cover 2 further includes a limiting block 25 and a second enclosing plate 22, two ends of the second enclosing plate 22 are respectively connected with two sides of the first enclosing plate 21, the limiting block 25 is in a linear strip structure, one end of the limiting block 25 is connected to the surface of the second enclosing plate 22, the other end of the limiting block 25 is provided with a barb structure or a bump, the notch further includes a bottom wall 13, two ends of the bottom wall 13 are respectively connected with two sides of the first side walls 11, the bottom wall 13 is provided with a limiting groove 15 clamped with the limiting block 25, so that after the card door cover 2 is slidably inserted and connected with the card door seat 1, the movement of the card door cover 2 in the length direction parallel to the first enclosing plate 21 can be further limited, so as to prevent the card door cover 2 from being separated from the notch, and the connection between the components of the application is firmer.

In one embodiment, the middle part of the bottom wall 13 is provided with a bayonet 14, the bayonet 14 and the socket 24 are the same in size and are parallel to each other, a blocking wall is arranged around the bayonet 14, the blocking wall extends from the bottom wall 13 to the direction of the card door cover 2, the height direction of the blocking wall is perpendicular to the surface of the bottom wall 13, the blocking wall is used for preventing external water and other fluids from entering the bayonet 14, a clamping piece 3 is arranged between the upper surface of the blocking wall and the lower surface of the card door cover 2, the clamping piece 3 is used for opening and closing the bayonet 14, when a card is inserted, the clamping piece 3 enables the bayonet 14 to be exposed so as to facilitate card insertion, and when no card is inserted, the clamping piece 3 shields the bayonet 14 so as to prevent external water vapor and dust from entering the bayonet 14, thereby improving dustproof and waterproof performances of the application.

In one embodiment, the notch further includes a second side wall 12 and a baffle 16 respectively located at two sides of the bayonet 14, two ends of the second side wall 12 are respectively connected with two sides of the first side walls 11, the baffle 16 and the second side wall 12 are parallel to each other, the second side wall 12 is located at one side of the bayonet 14 far away from the second coaming 22, the clamping piece 3 is clamped between the second side wall 12 and the baffle 16, the second side wall 12 and the baffle 16 provide support for the clamping piece 3, so that the function of opening and closing the bayonet 14 by the clamping piece 3 can be conveniently realized, and when a card is inserted into the bayonet 14, the clamping piece 3 and the baffle 16 can abut against two sides of the card, so that the card can be ensured to be firmly inserted into the bayonet 14.

Specifically, the clamping piece 3 includes shielding strip 31 and elastic component 32, shielding strip 31 is sharp strip structure, and elastic component 32 is pitch arc strip structure, and the middle part of shielding strip 31 is connected with the middle part of elastic component 32, and shielding strip 31 includes bayonet socket guide surface 311, and shielding strip 31 is arranged in between two stopper 25 opposite surfaces along length direction's both ends, can block the movement of clamping piece 3 along parallel shielding strip 31 length direction to guarantee to pass through many times plug-in card and pull out the card after, restriction clamping piece 3 takes place the skew and blocks bayonet socket 14 or socket 24, thereby improved the durability of product.

The bayonet guide surface 311 is the inclined plane that is close to baffle 16 one side on shielding strip 31, and the both ends of bayonet guide surface 311 still are equipped with two flanges respectively, and the distance between two flange opposite surfaces is the same with the length of socket 24, when the card inserts bayonet 14 and with bayonet guide surface 311 looks butt, can make the card promote easily that shielding strip 31 moves in order to expose bayonet 14 towards the direction that is close to elastic component 32, makes the card operation of this application more laborsaving, and it is more convenient to use.

In one embodiment, the top wall 23 of the card door cover 2 is provided with a socket guide surface 241 around the periphery of the socket 24, and the socket guide surface 241 is an inclined circumferential surface formed by the downward recess of the top wall 23 at the socket 24, so that a card can be conveniently guided to be accurately inserted into the socket 24, and convenience in the card inserting process of the application is improved.

In one embodiment, the joint between one end of the card door cover 2 and the card door seat 1 is provided with an exposed access opening 26, the access opening 26 is located on the surface of the second enclosing plate 22 adjacent to one end of the first enclosing plate 21, and when the later maintenance is needed, the access opening 26 can be used for conveniently extending and removing the card door cover 2 by maintenance tools.

The assembling process of the karman structure is as follows:

when the clamping door structure is assembled, the clamping piece 3 is firstly placed in the notch of the clamping door seat 1, the shielding strip 31 of the clamping piece 3 is abutted against the baffle 16, the elastic piece 32 of the clamping piece 3 is abutted against the second side wall 12, and then the two first coamings 21 of the clamping door cover 2 are aligned with the two first side walls 11 of the clamping door seat 1 and pushed in until the limiting block 25 is clamped in the limiting groove 15, and the first side walls 11 and the first coamings 21 are connected in a sliding manner, so that the assembly of the clamping door seat 1 and the clamping door cover 2 is completed.

Referring to fig. 5, the embodiment of the present application further provides a quantitative electric energy meter, including the foregoing cartridge door structure 100, the cartridge door structure 100 is disposed on a housing of the quantitative electric energy meter, the cartridge door structure 100 adopts a fixing manner of sliding connection, the assembly is convenient, the connection between each component is tight, the cartridge door structure 100 can conveniently provide for insertion and extraction of a card, and the convenience is strong.

The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but is intended to cover any and all modifications, equivalents, and alternatives falling within the spirit and principles of the present application.

Claims (10)

1. A karman construction comprising:

the clamping door seat (1), wherein the clamping door seat (1) is provided with a notch, the notch is positioned at the joint of two adjacent surfaces of the clamping door seat (1), and the notch comprises a first side wall (11); the method comprises the steps of,

the card door cover (2) is arranged in the notch, the card door cover (2) comprises a first coaming (21) and a socket (24), and the socket (24) is used for inserting and pulling out a card;

the sliding structure is arranged between the first side wall (11) and the first coaming (21), and the sliding direction of the sliding structure is different from the direction of inserting and pulling the card into the jack (24).

2. The karman construction of claim 1, wherein: the first side walls (11) are provided with two and are respectively positioned at two ends of the notch, and the first coaming (21) is provided with two and is respectively positioned at two ends of the door cover (2).

3. The karman construction of claim 2, wherein: the sliding structure comprises a first sliding part (111) and a second sliding part (211), wherein the first sliding part (111) is arranged on the first side wall (11), the second sliding part (211) is arranged on the first coaming (21), and a sliding block and a sliding groove are formed between the first sliding part (111) and the second sliding part (211).

4. The karman construction of claim 1, wherein: the card door cover (2) further comprises a limiting block (25), the notch further comprises a bottom wall (13), and the bottom wall (13) is provided with a limiting groove (15) which is clamped with the limiting block (25).

5. The karman construction of claim 1, wherein: the notch is internally provided with a bayonet (14) which is arranged corresponding to the socket (24), a clamping piece (3) is arranged between the notch and the door cover (2), and the clamping piece (3) is used for opening and closing the bayonet (14).

6. The karman construction of claim 5, wherein: the notch further comprises a second side wall (12) and a baffle plate (16) which are respectively positioned at two sides of the bayonet (14), and the clamping piece (3) is clamped between the second side wall (12) and the baffle plate (16).

7. The karman construction of claim 6, wherein: the clamping piece (3) comprises a shielding strip (31) and an elastic piece (32), the shielding strip (31) is of a linear strip-shaped structure, the elastic piece (32) is of an arc strip-shaped structure, the middle part of the shielding strip (31) is connected with the middle part of the elastic piece (32), and the shielding strip (31) is provided with a bayonet guide surface (311).

8. The karman construction of claim 1, wherein: and socket guide surfaces (241) are arranged on the door cover (2) around the periphery of the socket (24).

9. The karman construction of claim 1, wherein: an exposed access hole (26) is formed at the joint of one end of the card door cover (2) and the card door seat (1).

10. A quantitative electric energy meter, comprising: the karman structure (100) of any one of claims 1 to 9.