CN111551763B - Electric energy meter case plug socket and plug-in mechanism thereof - Google Patents

Electric energy meter case plug socket and plug-in mechanism thereof Download PDF

Info

Publication number
CN111551763B
CN111551763B CN202010430830.3A CN202010430830A CN111551763B CN 111551763 B CN111551763 B CN 111551763B CN 202010430830 A CN202010430830 A CN 202010430830A CN 111551763 B CN111551763 B CN 111551763B
Authority
CN
China
Prior art keywords
piece
conductive
plug
electric energy
energy meter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202010430830.3A
Other languages
Chinese (zh)
Other versions
CN111551763A (en
Inventor
丁伟恒
胡思远
胡城银
宾峰
张丰
王祖峰
邹奇
陈杰
邹传沙
范茜茜
钱东生
姬红生
邹享飞
李洪平
唐莉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guizhou Power Grid Co Ltd
Original Assignee
Guizhou Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guizhou Power Grid Co Ltd filed Critical Guizhou Power Grid Co Ltd
Priority to CN202010430830.3A priority Critical patent/CN111551763B/en
Publication of CN111551763A publication Critical patent/CN111551763A/en
Application granted granted Critical
Publication of CN111551763B publication Critical patent/CN111551763B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/02Constructional details
    • G01R11/04Housings; Supporting racks; Arrangements of terminals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The invention discloses an electric energy meter box plug socket and a plug mechanism thereof, comprising an electric energy meter, a plug rod and a plug rod, wherein the electric energy meter comprises a plug hole and the plug rod is positioned in the plug hole; the wiring unit comprises a fixing piece connected with the inserting rod, a connecting piece connected with the fixing piece and a first conductive piece connected with the connecting piece; the external connection unit comprises a sleeve and a second conductive piece positioned in the sleeve, wherein the first conductive piece is in contact with the second conductive piece; the external unit is connected with the plug-in rod in the electric energy meter through the wiring unit; the electric energy meter wiring device is reasonable in design and ingenious in structure, the electric energy meter is connected through the elastic plug connector of the plug rod body and the wiring unit, the first conductive piece and the second conductive piece are connected, so that the electric energy meter is plugged, the contact area is increased, the conductive effect is improved, when the electric energy meter is wired, the external connection unit is directly plugged on the wiring unit after being connected with a wire, and the wiring area of the wiring end is increased.

Description

Electric energy meter case plug socket and plug-in mechanism thereof
Technical Field
The invention relates to the field of electric energy meters, in particular to an electric energy meter box plug socket and a plug mechanism thereof.
Background
An electric energy meter is an instrument for measuring electric energy, also called watt-hour meter, fire meter, kilowatt-hour meter, and refers to instruments for measuring various electric quantities. With the development of science and the continuous innovation of the electric power field, various electric meters with novel functions are continuously generated and are frequently used in families and enterprises, so that the electric meters are frequently installed and replaced. At present, most of electric meters are all carried out in a special meter box, the installation of a new electric meter is realized, firstly, an end cover of a junction box needs to be opened, a core wire sleeved with an insulating outer sleeve is inserted into a wiring terminal hole of an electric energy meter, then, a plurality of line pressing screws are screwed, a wire is in close contact with the inner wall of the terminal hole, then, the terminal cover is covered and sealed, wiring is finished immediately, if a user needs to replace or maintain the electric meter, a power supply is cut off firstly, the seal of the end cover is removed, the seal screws are withdrawn, the end cover is opened, all the line pressing screws are withdrawn, the old meter is taken down, the new meter is installed again, the labor intensity is high when the electric meter is disassembled and assembled, time and labor are wasted, and the defects of installation quality cannot be guaranteed.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, and in this section as well as in the abstract and the title of the invention of this application some simplifications or omissions may be made to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made keeping in mind the above problems occurring in the prior art and/or the problems occurring in the prior art.
Therefore, the technical problems to be solved by the invention are that the operation is complicated, the fastening is easy to occur, the contact between the lead and the binding post is poor, and the lead is easy to crush when the binding post and the lead of the electric meter are installed.
In order to solve the technical problems, the invention provides the following technical scheme: an electric energy meter box plug socket and a plug mechanism thereof comprise an electric energy meter, a plug rod and a plug rod, wherein the electric energy meter comprises a plug hole and the plug rod is positioned in the plug hole; the wiring unit comprises a fixing piece connected with the inserting rod, a connecting piece connected with the fixing piece and a first conductive piece connected with the connecting piece; the external connection unit comprises a sleeve and a second conductive piece positioned in the sleeve, wherein the first conductive piece is in contact with the second conductive piece; the external unit is connected with the plug-in rod in the electric energy meter through the wiring unit.
As a preferred scheme of the electric energy meter box plug socket and the plug mechanism thereof, the electric energy meter box plug socket comprises the following steps: the electric energy meter also comprises a connector and a connecting spring, wherein one end of the connecting spring is abutted in the inserting hole, and the other end of the connecting spring is connected with the connector; the connector is divided into a conductive sleeve and a conductive sheet, the conductive sleeve is sleeved on the plug rod, and the conductive sheet is abutted to the end face of the fixing piece.
As a preferred scheme of the electric energy meter box plug socket and the plug mechanism thereof, the electric energy meter box plug socket comprises the following steps: the connecting piece comprises a first end and a second end, the first end is inserted into the fixing piece to be connected, the first conductive piece is provided with a connecting hole, and the second end is connected with the connecting hole of the first conductive piece.
As a preferred scheme of the electric energy meter box plug socket and the plug mechanism thereof, the electric energy meter box plug socket comprises the following steps: the wiring unit further comprises a movable ring, the movable ring is sleeved on the connecting piece and located between the fixing piece and the first conductive piece, the movable ring comprises a first conical surface and a second conical surface which are symmetrically arranged, and the first conical surface is connected with the bottom surface of the second conical surface to form a cylindrical surface.
As a preferred scheme of the electric energy meter box plug socket and the plug mechanism thereof, the electric energy meter box plug socket comprises the following steps: one surface, close to the fixing part, of the first conductive part is provided with a conical groove, one surface, far away from the fixing part, of the first conductive part is provided with a hemispherical surface, and the outline of the first conical surface is consistent with the outline of the conical groove; the hemispherical surface is in contact with the second conductive piece.
As a preferred scheme of the electric energy meter box plug socket and the plug mechanism thereof, the electric energy meter box plug socket comprises the following steps: the external unit also comprises a clamping column, a sliding groove penetrating through the sleeve is formed in the circumferential side surface of the sleeve, and the clamping column is arranged in the sliding groove; the card post includes spacing end and stiff end, spacing end is located the sleeve outside, the stiff end passes through the spout extends to in the sleeve, the cross sectional area of spacing end is greater than the cross sectional area of spout, the cross sectional area of stiff end with the cross sectional area of spout is unanimous.
As a preferred scheme of the electric energy meter box plug socket and the plug mechanism thereof, the electric energy meter box plug socket comprises the following steps: the limiting end is located one end in the sleeve comprises an inclined plane and a vertical plane, the vertical plane is that the limiting end is far away from one surface of the fixing piece, and the inclined plane is that the limiting end is close to one surface of the fixing piece.
As a preferred scheme of the electric energy meter box plug socket and the plug mechanism thereof, the electric energy meter box plug socket comprises the following steps: the external unit further comprises a containing piece, the containing piece is sleeved on the sleeve, a containing hole is formed in the containing piece along the radial direction, the axis of the containing hole coincides with the axis of the sliding groove, the limiting end is located in the containing hole, a fastening piece is connected to an opening on the outer side of the containing hole, and a first elastic piece is connected between the fastening piece and the limiting end.
As a preferred scheme of the electric energy meter box plug socket and the plug mechanism thereof, the electric energy meter box plug socket comprises the following steps: one end of the accommodating piece is provided with a first threaded hole, one end of the sleeve is provided with a second threaded hole, and the first threaded hole is connected with the second threaded hole through a screw.
As a preferred scheme of the electric energy meter box plug socket and the plug mechanism thereof, the electric energy meter box plug socket comprises the following steps: the external unit further comprises a second elastic part and an external lead seat, one end of the second elastic part is connected with the second conductive part, the other end of the second elastic part is connected with the external lead seat, the external lead seat is connected with the sleeve, a first lead is connected in the external lead seat, and the first lead is connected to the second conductive part; the wiring unit further comprises a second wire, the second wire extends out of the first conductive piece and sequentially penetrates through the connecting piece and the fixing piece to be connected with the connecting head, the fixing piece further comprises a connecting end and a limiting boss, and the connecting end is connected with the inserting hole.
The invention has the beneficial effects that: the invention has reasonable design and skillful structure, realizes the plugging of the electric energy meter by connecting the elastic plugging head of the plugging rod body with the wiring unit and connecting the first conductive piece with the second conductive piece, increases the contact area and improves the conductive effect, when the electric energy meter is wired, the external unit is arranged, the external unit is directly plugged on the wiring unit after being connected with a wire, and increases the wiring area of the wiring terminal, thereby solving the problem that the electric energy meter cannot be burnt by the current passing through the contact surface when the contact surface is too small, and simultaneously, when the connection of the wiring terminal is disconnected, the external unit is pressed, the external wire can be conveniently taken down, the service life of the electric energy meter and the reliability of equipment are improved, the operation and maintenance cost of the electric energy meter and the labor intensity and operation risk of operators are also reduced, and a solid foundation is laid for the safe and stable operation of a power grid.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic structural view of an electric energy meter box socket and a plugging mechanism thereof according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of connection between an electric energy meter and a wiring unit in an electric energy meter box socket and a plugging mechanism thereof according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a cross section of an electric energy meter box socket and a plugging mechanism thereof according to an embodiment of the present invention;
fig. 4 is a schematic diagram of an explosion structure in an electric energy meter box socket and a socket mechanism thereof according to an embodiment of the present invention;
fig. 5 is a schematic structural view of an installation position of a clamping column in an electric energy meter box socket and a plugging mechanism thereof according to an embodiment of the present invention;
fig. 6 is a schematic structural view illustrating a structure of a card column of an electric energy meter box socket and a plugging mechanism thereof contacting with a movable ring according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an electric energy meter box socket and a plugging mechanism thereof before connection according to an embodiment of the invention;
fig. 8 is a schematic structural view illustrating a structure in which a clamping column of an electric energy meter box socket and a socket mechanism thereof contacts a hemispherical surface according to an embodiment of the present invention;
fig. 9 is a schematic structural view illustrating an electric energy meter box socket and a plugging mechanism thereof according to an embodiment of the present invention, wherein a clamping column passes over a first conductive member;
fig. 10 is a schematic structural view illustrating an electric energy meter box socket and a plugging mechanism thereof according to an embodiment of the present invention, wherein a clamping column of the clamping column passes over a movable ring;
fig. 11 is a schematic structural diagram of an electric energy meter box socket and a plug mechanism thereof according to an embodiment of the present invention, in which an external unit is separated from a wiring unit.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the drawings, wherein the cross-sectional views illustrating the structure of the device are not enlarged partially according to the general scale for convenience of illustration when describing the embodiments of the present invention, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 2, the embodiment provides an electric energy meter box plug socket and a plug mechanism thereof, including an electric energy meter 100, including a plug hole 101 and a plug rod 102 located in the plug hole 101, where the plug hole 101 is connected with a wiring unit 200, and the plug rod 102 is a conductor rod; the wiring unit 200 is fixedly connected to the electric energy meter 100 through the plug hole 101, replaces an original wiring port, and includes a fixing member 201, a connecting member 202 connected to the fixing member 201, and a first conductive member 203 connected to the connecting member 202, wherein one end of the fixing member 201 is inserted into the plug hole 101 of the electric energy meter 100, the fixing member 201 is an insulator, the connecting member 202 is connected to the other end of the fixing member 201, the connecting member 202 is also an insulator, and the first conductive member 203 connected to the connecting member 202 is a conductor; the external connection unit 300 is connected with the plug rod 102 in the electric energy meter 100 through the wiring unit 200, and comprises a sleeve 301 and a second conductive piece 302 positioned in the sleeve 301, wherein when the sleeve 301 is connected with the wiring unit 200, the sleeve 301 is sleeved on the fixing piece 201, the connecting piece 202 and the first conductive piece 203 are both positioned in the sleeve 301, the second conductive piece 302 is positioned in the sleeve 301 and is connected with an external wire, and when wiring is performed, the first conductive piece 203 is contacted with the second conductive piece 302, so that a circuit forms a loop.
When the connector is used, after the external connection wire of the second conductive piece 302 in the sleeve 301 is connected, the sleeve 301 is sleeved on the fixing piece 201, the connecting piece 202 and the first conductive piece 203 extend into the sleeve 301, and the first conductive piece 203 is contacted with the second conductive piece 302 and then connected to the plug-in rod 102 to complete wiring; preferably, the electric energy meter 100 further includes a connector 103 and a connection spring 104, the connector 103 is a conductor and plays a role in electrically connecting the first conductive member 203 in the wiring unit 200 with the plug rod 102, one end of the connection spring 104 abuts against the plug hole 101, the other end is connected with the connector 103, and the elasticity of the connection spring 104 makes the connector 103 fully contact with the conductor in the fixing member 201; preferably, the connector 103 is divided into a conductive sleeve 103a and a conductive plate 103b, the conductive sleeve 103a is sleeved on the insertion rod 102 and slides on the insertion rod 102 under the action of the connecting spring 104, the conductive sleeve 103a and the conductive plate 103b are both conductors, the conductive plate 103b abuts against the end surface of the fixing member 201, the end surface of the fixing member 201 has a wire extending from the first conductive member 203, when the fixing member 201 extends into the insertion hole 101 from the outside, the connector 103 is extruded, and meanwhile, the conductive plate 103b is fully contacted with the wire in the wiring unit 200 by the elastic force of the connecting spring 104 of the connector 103, so that the electric energy meter 100 is connected with an external wire.
Example 2
Referring to fig. 1 to 11, a second embodiment of the present invention is based on the previous embodiment, and is different from the previous embodiment in that: the embodiment provides an electric energy meter box plug socket and a plug mechanism thereof, which comprise an electric energy meter 100, a plug unit 200 and a plug rod 102, wherein the electric energy meter 100 comprises a plug hole 101 and a plug rod 102 positioned in the plug hole 101, the plug hole 101 is connected with the plug rod 102, and the plug rod 102 is a conductor rod; the wiring unit 200 is fixedly connected to the electric energy meter 100 through the plug hole 101, replaces an original wiring port, and includes a fixing member 201, a connecting member 202 connected to the fixing member 201, and a first conductive member 203 connected to the connecting member 202, wherein one end of the fixing member 201 is inserted into the plug hole 101 of the electric energy meter 100, the fixing member 201 is an insulator, the connecting member 202 is connected to the other end of the fixing member 201, the connecting member 202 is also an insulator, and the first conductive member 203 connected to the connecting member 202 is a conductor; the external connection unit 300 is connected with the plug rod 102 in the electric energy meter 100 through the wiring unit 200, and includes a sleeve 301 and a second conductive member 302 located in the sleeve 301, wherein when the sleeve 301 is connected with the wiring unit 200, the sleeve 301 is sleeved on the fixing member 201, the connecting member 202 and the first conductive member 203 are both located in the sleeve 301, the second conductive member 302 is located in the sleeve 301 and connected with an external wire, and when wiring is performed, the first conductive member 203 contacts with the second conductive member 302, so that a circuit forms a loop.
When the connector is used, after the external connection wire of the second conductive piece 302 in the sleeve 301 is connected, the sleeve 301 is sleeved on the fixing piece 201, the connecting piece 202 and the first conductive piece 203 extend into the sleeve 301, and the first conductive piece 203 is contacted with the second conductive piece 302 and then connected to the plug-in rod 102 to complete wiring; preferably, the electric energy meter 100 further includes a connector 103 and a connection spring 104, the connector 103 is a conductor and plays a role of electrically connecting the first conductive member 203 in the wiring unit 200 with the plug rod 102, one end of the connection spring 104 abuts against the plug hole 101, the other end of the connection spring is connected with the connector 103, and the elasticity of the connection spring 104 makes the connector 103 fully contact with the conductor in the fixing member 201.
Preferably, the connector 103 is divided into a conductive sleeve 103a and a conductive plate 103b, the conductive sleeve 103a is sleeved on the insertion rod 102 and slides on the insertion rod 102 under the action of the connection spring 104, the conductive sleeve 103a and the conductive plate 103b are both conductors, the conductive plate 103b abuts against the end surface of the fixing member 201, and the end surface of the fixing member 201 has a wire extending from the first conductive member 203, so as to connect the electric energy meter 100 with an external wire.
Specifically, the connecting member 202 is divided into a first end 202a and a second end 202b, wherein the first end 202a is inserted into the fixing member 201 for connection, the connection manner is not limited to gluing or screwing, the present embodiment is preferably screwed, the first conductive member 203 is provided with a connecting hole 203a, the second end 202b is connected with the connecting hole 203a of the first conductive member 203, the connection manner is preferably glued or screwed, and the present embodiment is preferably screwed, so that the detachment is convenient. The wiring unit 200 further includes a movable ring 204, the movable ring 204 is annularly sleeved on the connecting member 202, the movable ring 204 is located between the fixed member 201 and the first conductive member 203, and the diameter of the connecting member 202 is smaller than the diameters of the fixed member 201 and the first conductive member 203, so that the fixed member 201 and the first conductive member 203 further limit the movable ring 204, and the movable ring 204 can move in the connecting member 202 between the fixed member 201 and the first conductive member 203.
Further, the movable ring 204 includes a first conical surface 204a and a second conical surface 204b which are symmetrically arranged, the first conical surface 204a is connected with the bottom surface of the second conical surface 204b to form a cylindrical surface 204c, that is, the end with the larger area of the first conical surface 204a is connected with the end with the larger area of the second conical surface 204b through the cylindrical surface 204c, and the diameter of the cylindrical surface 204c is consistent with the diameter of the fixed member 201, correspondingly, a conical groove 203b is arranged on one surface of the first conductive member 203 close to the fixed member 201, and the contour of the first conical surface 204a is consistent with the contour of the conical groove 203b, that is, when the movable ring 204 moves towards the first conductive member 203, the first conical surface 204a can be completely embedded in the conical groove 203 b; a hemispherical surface 203c is arranged on one surface of the first conductive member 203 far away from the fixing member 201, the surface with the largest diameter of the hemispherical surface 203c is overlapped with the surface with the largest diameter of the tapered groove 203b, and the largest diameter of the hemispherical surface 203c is the same as the diameter of the cylindrical surface 204c, namely when the first conical surface 204a is embedded in the tapered groove 203b, the intersection of the cylindrical surface 204c and the first conical surface 204a is overlapped with the intersection of the hemispherical surface 203c and the tapered groove 203b, and the cylindrical surface 204c is tangent to the hemispherical surface 203 c; the semi-sphere 203c is a conductor and is connected with the inside of the electric energy meter through a lead, and the semi-sphere 203c is in contact with the second conductive member 302 to form a current path.
Further, the external unit 300 further includes a clamping column 303, and correspondingly, a sliding groove 301a penetrating through the sleeve 301 is formed in the circumferential side surface of the sleeve 301, and the clamping column 303 is disposed in the sliding groove 301 a. Specifically, the clamping column 303 includes a limiting end 303a and a fixed end 303b, a cross-sectional area of the limiting end 303a is larger than a cross-sectional area of the fixed end 303b, the limiting end 303a is located outside the sleeve 301, which mainly plays a role of limiting a sliding path of the clamping column 303, so as to prevent the clamping column 303 from completely sliding into the sleeve 301, the fixed end 303b extends into the sleeve 301 through the sliding groove 301a, and the fixed end 303b slides in the sliding groove 301a along a radial direction of the sleeve 301, the cross-sectional area of the limiting end 303a is larger than the cross-sectional area of the sliding groove 301a, and the cross-sectional area of the fixed end 303b is consistent with the cross-sectional area of the sliding groove 301 a.
Further, one end of the limiting end 303a, which is located in the sleeve 301, includes an inclined surface 303b-1 and a vertical surface 303b-2, the vertical surface 303b-2 is a surface of the limiting end 303a, which is away from the fixing member 201, the inclined surface 303b-1 is a surface of the limiting end 303a, which is close to the fixing member 201, and the inclined surface 303b-1 is in the same direction as the tapered generatrix of the tapered groove 203b, and has the same slope. When wiring is carried out, the sleeve 301 moves towards the fixing piece 201 from a far position, firstly, the inclined surface 303b-1 contacts the hemispherical surface 203c, when the sleeve 301 moves along the axial center direction, the inclined surface 303b-1 is tangent to the hemispherical surface 203c, the clamping column 303 slides towards the outer side of the sleeve 301 along the radial direction until the clamping column 303 crosses the hemispherical surface 203c, the clamping column 303 moves towards the axial center direction, at the moment, the intersection surface of the tapered groove 203b and the hemispherical surface 203c prevents the clamping column 303 from being far away from the fixing piece 201, and the clamping connection of the lead and the electric energy meter is completed.
Further, the external unit 300 further includes an accommodating member 304, the accommodating member 304 is configured to accommodate the card column 303, the accommodating member 304 is sleeved on the sleeve 301, the accommodating member 304 is provided with an accommodating hole 304a along the radial direction, an axis of the accommodating hole 304a coincides with an axis of the sliding groove 301a, the limiting end 303a is located in the accommodating hole 304a, an opening at an outer side of the accommodating hole 304a is connected with a fastening member 305, a first elastic member 306 is connected between the fastening member 305 and the limiting end 303a, the first elastic member 306 is a spring, tension of the first elastic member 306 causes the card column 303 to move toward the axis of the sleeve 301, a connection mode of the fastening member 305 and the accommodating hole 304a is selected as a threaded connection, one end of the first elastic member 306 abuts against the fastening member 305, and the other end pushes the card column 303.
Preferably, one end of the receiving member 304 is provided with a first threaded hole 304b, one end of the sleeve 301 is provided with a second threaded hole 301b, and the first threaded hole 304b and the second threaded hole 301b are connected through a screw 307.
Further, the external unit 300 further includes a second elastic member 308 and an external wire seat 309, one end of the second elastic member 308 is connected to the second conductive member 302, the second elastic member 308 is a spring, when the connection is performed, the elastic force of the second elastic member 308 causes the second conductive member 302 to be tightly attached to the hemispherical surface 203c of the first conductive member 203, so as to increase the contact area, the other end of the second elastic member 308 is connected to the external wire seat 309, the external wire seat 309 is connected to the sleeve 301, preferably, the connection mode is a threaded connection, the external wire seat 309 is connected to a first wire L1, and the first wire L1 is connected to the second conductive member 302.
The working principle of the embodiment is as follows: when the electric energy meter is not connected in a wiring manner, the wiring unit 200 and the external unit 300 are in a separated state, at this time, the fixed end 303b of the clamping column 303 is embedded in the sleeve 301 through the sliding chute 301a, the limiting end 303a is positioned outside the sleeve 301 and is under the elastic action of the first elastic piece 306 in the accommodating hole 304a, and the second conductive piece 302 is tightly attached to the vertical surface 303b-2 of the fixed end 303b under the elastic action of the second elastic piece 308; when the electric energy meter is connected with a wire, the invention operates the external connection unit 300 to be capable of being embedded with the wire connection unit 200, specifically, when the external connection unit 300 is pushed to move towards the wire connection unit 200, the inclined surface 303b-1 part of the initial fixed end 303b is contacted with the hemispherical surface 203c and gradually slides along the hemispherical surface 203c, the diameter of the contacted hemispherical surface 203c is increased, the limiting end 303a of the clamping column 303 retracts in the accommodating hole 304a until the intersection part of the inclined surface 303b-1 and the vertical surface 303b-2 crosses the hemispherical surface 203c, the fixed end 303b falls into the surface of the connecting piece 202 under the action of the first elastic piece 306, at the moment, the vertical surface 303b-2 is overlapped with the maximum cross section of the conical surface 203c, namely the maximum cross section of the conical groove 203b, the movement of the fixed end 303b in the direction far away from the fixed piece 201 is limited, and simultaneously under the action of the second elastic piece 308, one surface of the second conductive member 302 is tightly contacted with the hemispherical surface 203c to form a current path, so that the wiring work of the electric energy meter is completed; finally, when the external unit 300 needs to be disconnected from the electric energy meter, an external force moving towards the wiring unit 200 is continuously applied to the external unit 300, at this time, the fixed end 303b of the clamping column 303 moves along the axial direction of the sleeve 301 along the sleeve 301 until the inclined surface 303b-1 of the fixed end 303b contacts with the first conical surface 204a of the movable ring 204, when the movable ring 204 is pushed to the deepest position, the inclined surface 303b-1 moves on the first conical surface 204a, that is, the inclined surface 303b-1 moves to the cylindrical surface 204c along the cross section with the smallest diameter of the first conical surface 204a, and slides into the space between the second conical surface 204b and the fixed member 201 under the action of the elastic force of the first elastic member 306, at this time, the external unit 300 can be pulled out, specifically, the vertical surface 303b-2 moves towards the first conductive member 203 with the second conical surface 204b, until, the first conical surface 204a is completely embedded into the conical groove 203b, a force far away from the wiring unit 200 is continuously applied to the external unit 300, then the intersection of the vertical surface 303b-2 and the inclined surface 303b-1 climbs to the cylindrical surface 204c along the smaller end of the second conical surface 204b and slides to the hemispherical surface 203c along the same direction, and the first conductive member 203 falls off, so that the external unit 300 is unloaded.
Example 3
Referring to fig. 2 to 11, a third embodiment of the present invention is based on the previous embodiment, and is different from the previous embodiment in that: the wiring unit 200 further includes a second wire L2, one end of the second wire L2 is welded to the first conductive member 203, that is, the second wire L2 extends from the first conductive member 203 and sequentially passes through the connecting member 202 and the fixing member 201 to be connected to the connecting head 103, preferably, the fixing member 201 further includes a connecting end 201c and a limiting boss 201d, the connecting end 201c is connected to the inserting hole 101, the limiting boss 201d prevents the clamping column 303 from moving to the fixing member 201 when the external unit 300 is operated, and the connecting end 201c is connected to the terminal connection hole 301, and the connection mode is not limited to a threaded connection. The working steps of this embodiment are: firstly, the fixing member 201 of the wiring unit 200 is connected to the inserting hole 101 of the electric energy meter 100, the second wire L2 is connected to the inserting rod 102 through the middle connector 103, and then the external unit 300 is connected to the wiring unit 200, and the specific operation manner is the same as the operation steps and principle of the previous embodiment, and is not described herein again.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims (4)

1. The utility model provides an electric energy meter case plug socket and grafting mechanism thereof which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the electric energy meter (100) comprises a plug hole (101) and a plug rod (102) positioned in the plug hole (101);
the wiring unit (200) comprises a fixing piece (201) connected with the plug rod (102), a connecting piece (202) connected with the fixing piece (201), and a first conductive piece (203) connected with the connecting piece (202);
the external connection unit (300) comprises a sleeve (301) and a second conductive piece (302) positioned in the sleeve (301), wherein the first conductive piece (203) is in contact with the second conductive piece (302); the external connection unit (300) is connected with a plug rod (102) in the electric energy meter (100) through the wiring unit (200);
the electric energy meter (100) further comprises a connector (103) and a connecting spring (104), one end of the connecting spring (104) is abutted to the plug hole (101), and the other end of the connecting spring is connected with the connector (103); the connector (103) is divided into a conductive sleeve (103 a) and a conductive sheet (103 b), the conductive sleeve (103 a) is sleeved on the plug rod (102), and the conductive sheet (103 b) is abutted against the end face of the fixing piece (201);
the connecting piece (202) comprises a first end (202 a) and a second end (202 b), the first end (202 a) is inserted into the fixing piece (201) for connection, the first conductive piece (203) is provided with a connecting hole (203 a), and the second end (202 b) is connected with the connecting hole (203 a) of the first conductive piece (203);
the wiring unit (200) further comprises a movable ring (204), the movable ring (204) is sleeved on the connecting piece (202), the movable ring (204) is located between the fixed piece (201) and the first conductive piece (203), the movable ring (204) comprises a first conical surface (204 a) and a second conical surface (204 b) which are symmetrically arranged, and the bottom surfaces of the first conical surface (204 a) and the second conical surface (204 b) are connected to form a cylindrical surface (204 c); the external unit (300) further comprises a clamping column (303), a sliding groove (301 a) penetrating through the sleeve (301) is formed in the circumferential side face of the sleeve (301), and the clamping column (303) is arranged in the sliding groove (301 a);
the clamping column (303) comprises a limiting end (303 a) and a fixed end (303 b), the limiting end (303 a) is positioned outside the sleeve (301), the fixed end (303 b) extends into the sleeve (301) through the sliding groove (301 a), the cross-sectional area of the limiting end (303 a) is larger than that of the sliding groove (301 a), and the cross-sectional area of the fixed end (303 b) is consistent with that of the sliding groove (301 a);
one end, located in the sleeve (301), of the fixed end (303 b) comprises an inclined surface (303 b-1) and a vertical surface (303 b-2), the vertical surface (303 b-2) is a surface, away from the fixing piece (201), of the limiting end (303 a), and the inclined surface (303 b-1) is a surface, close to the fixing piece (201), of the limiting end (303 a);
the external unit (300) further comprises a containing piece (304), the containing piece (304) is sleeved on the sleeve (301), a containing hole (304 a) is formed in the containing piece (304) along the radial direction, the axis of the containing hole (304 a) coincides with the axis of the sliding groove (301 a), the limiting end (303 a) is located in the containing hole (304 a), a fastening piece (305) is connected to an opening in the outer side of the containing hole (304 a), and a first elastic piece (306) is connected between the fastening piece (305) and the limiting end (303 a).
2. The electric energy meter box plug socket and the plug mechanism thereof of claim 1 are characterized in that: a tapered groove (203 b) is formed in one surface, close to the fixing part (201), of the first conductive part (203), a hemispherical surface (203 c) is formed in one surface, far away from the fixing part (201), of the first conductive part (203), and the outline of the first conical surface (204 a) is consistent with the outline of the tapered groove (203 b);
the hemispherical surface (203 c) is in contact with the second conductive member (302).
3. The electric energy meter box plug socket and the plug mechanism thereof as claimed in claim 2, characterized in that: one end of the accommodating piece (304) is provided with a first threaded hole (304 b), one end of the sleeve (301) is provided with a second threaded hole (301 b), and the first threaded hole (304 b) is connected with the second threaded hole (301 b) through a screw (307).
4. The electric energy meter box plug socket and the plug mechanism thereof as claimed in claim 3, characterized in that:
the external unit (300) further comprises a second elastic member (308) and an external conductor base (309), one end of the second elastic member (308) is connected with the second conductive member (302), the other end of the second elastic member is connected with the external conductor base (309), the external conductor base (309) is connected with the sleeve (301), a first conductor (L1) is connected in the external conductor base (309), and the first conductor (L1) is connected to the second conductive member (302);
the wiring unit (200) further comprises a second lead (L2), the second lead (L2) extends out of the first conductive piece (203) and sequentially penetrates through the connecting piece (202) and the fixing piece (201) to be connected with the connecting head (103), the fixing piece (201) further comprises a connecting end (201 c) and a limiting boss (201 d), and the connecting end (201 c) is connected with the inserting hole (101).
CN202010430830.3A 2020-05-20 2020-05-20 Electric energy meter case plug socket and plug-in mechanism thereof Active CN111551763B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010430830.3A CN111551763B (en) 2020-05-20 2020-05-20 Electric energy meter case plug socket and plug-in mechanism thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010430830.3A CN111551763B (en) 2020-05-20 2020-05-20 Electric energy meter case plug socket and plug-in mechanism thereof

Publications (2)

Publication Number Publication Date
CN111551763A CN111551763A (en) 2020-08-18
CN111551763B true CN111551763B (en) 2022-05-03

Family

ID=71998841

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010430830.3A Active CN111551763B (en) 2020-05-20 2020-05-20 Electric energy meter case plug socket and plug-in mechanism thereof

Country Status (1)

Country Link
CN (1) CN111551763B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112490703B (en) * 2020-11-20 2022-10-04 贵州电网有限责任公司 Distribution network device adopting plug-in mode
CN112490702B (en) * 2020-11-20 2022-11-25 贵州电网有限责任公司 FTU device adopting plug-in mode
CN113985090A (en) * 2021-09-23 2022-01-28 杭州天实云科技有限公司 Electric energy meter convenient to dismantle and recovery plant thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203747053U (en) * 2014-03-11 2014-07-30 浙江晨泰科技股份有限公司 Ammeter lead connecting apparatus
CN204422612U (en) * 2015-02-14 2015-06-24 乐清市兆鑫电气公司 A kind of crimping structure
CN107167645A (en) * 2017-07-07 2017-09-15 溧阳市华鹏电力仪表有限公司 A kind of plug protection ammeter and its application method
CN209311544U (en) * 2018-11-13 2019-08-27 国网重庆市电力公司璧山供电分公司 The ammeter for facilitating conducting wire plug-in type to connect
CN209513861U (en) * 2018-12-20 2019-10-18 山东广域科技有限责任公司 A kind of connection box of electric energy meter auxiliary device
CN209878844U (en) * 2019-03-20 2019-12-31 贵州电网有限责任公司 Electric energy meter with quick mounting connector
CN210294355U (en) * 2019-04-10 2020-04-10 浙江正泰仪器仪表有限责任公司 Electric energy meter and electric energy meter case
CN210534209U (en) * 2019-07-26 2020-05-15 武汉中网电力设备工程有限责任公司 Uninterrupted quick-change electric energy meter device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10143200A1 (en) * 2001-09-04 2003-04-03 Era Contact Gmbh Electrical pressure contact

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203747053U (en) * 2014-03-11 2014-07-30 浙江晨泰科技股份有限公司 Ammeter lead connecting apparatus
CN204422612U (en) * 2015-02-14 2015-06-24 乐清市兆鑫电气公司 A kind of crimping structure
CN107167645A (en) * 2017-07-07 2017-09-15 溧阳市华鹏电力仪表有限公司 A kind of plug protection ammeter and its application method
CN209311544U (en) * 2018-11-13 2019-08-27 国网重庆市电力公司璧山供电分公司 The ammeter for facilitating conducting wire plug-in type to connect
CN209513861U (en) * 2018-12-20 2019-10-18 山东广域科技有限责任公司 A kind of connection box of electric energy meter auxiliary device
CN209878844U (en) * 2019-03-20 2019-12-31 贵州电网有限责任公司 Electric energy meter with quick mounting connector
CN210294355U (en) * 2019-04-10 2020-04-10 浙江正泰仪器仪表有限责任公司 Electric energy meter and electric energy meter case
CN210534209U (en) * 2019-07-26 2020-05-15 武汉中网电力设备工程有限责任公司 Uninterrupted quick-change electric energy meter device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
基于智能电能表接线端子自动定位压接装置方法的研究;梁来明;《科技创新导报》;20140531;54、56 *

Also Published As

Publication number Publication date
CN111551763A (en) 2020-08-18

Similar Documents

Publication Publication Date Title
CN111551763B (en) Electric energy meter case plug socket and plug-in mechanism thereof
RU2007105840A (en) TESTED COAXIAL CABLE CONNECTOR (OPTIONS) AND METHOD FOR ITS CONNECTION WITH THE END OF COAXIAL CABLE
CN102301539A (en) Coaxial connector
CN107230858B (en) Spring-touch type sealing electric plug
CN111551764B (en) Novel electric energy meter binding post
CN113783038B (en) Electric energy meter interface clamping device
CN111610351B (en) Lap joint type high-altitude junction pole
CN201590576U (en) Coaxial connector
ES260608U (en) Structure of fixing of the conductors for plugs and electric plugs (Machine-translation by Google Translate, not legally binding)
CN209461764U (en) Changeover plug is used in a kind of measurement
CN205646181U (en) Conductor terminal cover
CN102377084B (en) Socket assembly and manufacturing method thereof
CN115149326A (en) Be applied to photovoltaic substation inverter's circular connector
CN110556758B (en) General connecting device of common wire slot
CN114824930A (en) Movable joint connector applied to rapid checking of temperature measuring resistor
CN210923771U (en) Resistance meter test wire connector
CN203444071U (en) Power cable partial discharge withstand voltage test device oil cup terminal
CN206922124U (en) Self-stopping type audio jack and Audio Data Line
CN217983948U (en) Wiring terminal for PLC test
CN201541028U (en) Coaxial electrical connector with improved insulation bodies
CN221303537U (en) Electrician pen for electrician equipment detection
CN219739423U (en) Charging structure with lock catch structure and interchangeable AC plug
CN217934407U (en) Steel ball type push-pull quick-locking round electric connector with twist needles
CN210350116U (en) PCB type wiring terminal structure
CN213989411U (en) Direct-insertion type plug terminal

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant