Plug-in type mounting seat of electric energy meter

Abstract

The utility model belongs to the technical field of electric energy meter accessories, and provides an electric energy meter plug-in type mounting base which comprises a base, a plug-in electrode and a jacking assembly. Wherein the plug-in electrode is connected to the base, a through groove in the axial direction of the plug-in electrode is formed in the end, away from the base, of the plug-in electrode, the end of the plug-in electrode is divided into a plurality of connecting petals distributed in the circumferential direction through the through groove, a taper hole coaxial with the plug-in electrode and communicated with the through groove is formed in the plug-in electrode, and the small end of the taper hole faces the end, used for forming the through groove, of the plug-in electrode; the ejection assembly comprises an ejection rod movably installed in the insertion electrode and a driving mechanism which is in transmission connection with the ejection rod and can make the ejection rod move in the axial direction of the taper hole, and the end of the ejection rod faces the large end of the taper hole and is matched with the section of the large end of the taper hole.

Description

Technical Field

[0001] The present application belongs to the technical field of electric energy meter accessories, and more specifically, relates to a plug-in mounting base for an electric energy meter. Background Art

[0002] In the field of electricity metering, the energy meter is an important device for measuring electric energy. Its installation method and stability are directly related to the accuracy of power measurement and the safety of the equipment. The traditional installation method of the energy meter is usually to fix it directly in the meter box with bolts. This method has many inconveniences, so the plug-in mounting seat of the energy meter came into being. When in use, the plug-in electrode on the mounting seat is inserted into the electrode port on the energy meter to quickly complete the installation of the energy meter. Due to structural design defects, the traditional plug-in mounting seat of the energy meter has the problem of poor connection stability between the plug-in electrode and the energy meter, which is easy to cause safety accidents. Therefore, it is necessary to solve the above technical problems. Summary of the invention

[0003] The purpose of the embodiments of the present application is to provide a plug-in mounting base for an electric energy meter to solve the technical problem of poor installation stability of the electric energy meter in the prior art.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted in this application is: to provide an electric energy meter plug-in mounting base, comprising:

[0005] Pedestal;

[0006] A plug-in electrode, connected to the base and having one end away from the base forming a through groove along its own axial direction, the through groove dividing the end of the plug-in electrode into a plurality of connecting petals distributed along the circumferential direction, the plug-in electrode forming a conical hole coaxial with itself and connected to the through groove, the small end of the conical hole facing the plug-in electrode for forming one end of the through groove;

[0007] The push assembly includes a push rod movably installed inside the plug-in electrode and a driving mechanism that is transmission-connected to the push rod and can move the push rod along the axial direction of the tapered hole. The end of the push rod faces the large end of the tapered hole and is adapted to the large end section of the tapered hole.

[0008] Optionally, a receiving cavity connected to the tapered hole and used to receive the push rod is provided inside the plug-in electrode, and the push rod is slidably connected to the side wall of the receiving cavity and guided by the side wall of the receiving cavity.

[0009] Optionally, one end of the push rod for abutting against the side wall of the tapered hole is spherical.

[0010] Optionally, the push assembly includes a steel ball movably mounted inside the accommodating cavity and adapted to the inner diameter of the accommodating cavity;

[0011] The push rod is arranged between the tapered hole and the steel ball, and the driving mechanism is connected to the push rod through the steel ball transmission.

[0012] Optionally, the push-up assembly further includes a compression spring installed inside the accommodating cavity;

[0013] The compression spring is arranged between the push rod and the steel ball and abuts against the push rod and the steel ball respectively.

[0014] Optionally, the driving mechanism comprises a driving pin which is horizontally arranged relative to the push rod, and two ends of the driving pin respectively form a ball head and a flange head, and the driving pin is always in contact with the steel ball through the ball head;

[0015] The driving mechanism also includes a flip seat installed on the base through a rotating shaft, the flip seat forms a cam portion sleeved on the rotating shaft, the cam portion has a side wall that can continuously abut against the flange head during rotation, and the side wall of the cam portion that abuts against the flange head has different spacings from the center of the rotating shaft so that the active pin can move along its own axial direction during the rotation of the flip seat relative to the base.

[0016] Optionally, the driving mechanism further comprises a return spring sleeved on the active pin;

[0017] One end of the return spring abuts against the outer side wall of the plug electrode located in the base, and the other end abuts against the flange head to make the flange head always tend to be away from the outer side wall of the plug electrode.

[0018] Optionally, a clamping boss for clamping with a target electric energy meter is formed on the base, and a clamping direction of the clamping boss and the target electric energy meter is parallel to the axial direction of the plug-in electrode.

[0019] Optionally, a relative frame is formed on the base, the frame is parallel to the plug-in electrode and is used to provide guidance for the target electric energy meter.

[0020] Optionally, the electric energy meter plug-in mounting seat further comprises a wire-pressing bolt arranged on the plug-in electrode at an end away from the through slot, and a protective cover slidably connected to the base and used to shield the wire-pressing bolt;

[0021] The protective cover and the base are provided with corresponding connecting holes, a cylinder body surrounding the connecting hole is formed on the protective cover, and a lead sealing hole is formed on the cylinder body.

[0022] The beneficial effect of the plug-in mounting seat for an electric energy meter provided in the present application is that, compared with the prior art, in the plug-in mounting seat for an electric energy meter provided in the present application, a through groove is formed along its own axial direction at one end of the plug-in electrode away from the base, and the through groove divides the end of the plug-in electrode into a number of connecting petals distributed along the circumferential direction, and a conical hole is formed inside the plug-in electrode which is coaxial with itself and connected to the through groove. After the plug-in electrode arranged on the base is inserted into the electrode port on the electric energy meter, moving the push rod from the large end of the conical hole to the small end of the conical hole along the axial direction of the conical hole can open the several connecting petals at the end of the plug-in electrode, thereby enabling the plug-in electrode to form an interference fit with the electric energy meter and have a more stable connection relationship, thereby effectively improving the installation stability of the electric energy meter, which is far superior to the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0024] Figure 1 The overall structure of the plug-in mounting base of the electric energy meter provided in the embodiment of the present application is schematically shown. Figure 1 ;

[0025] Figure 2 A schematic diagram of the front view of the plug-in mounting base of an electric energy meter provided in an embodiment of the present application;

[0026] Figure 3 For along Figure 2 Sectional structural diagram along the middle AA line (with the flip seat closed);

[0027] Figure 4 The overall structure of the plug-in mounting base of the electric energy meter provided in the embodiment of the present application is schematically shown. Figure 2 ;

[0028] Figure 5 A schematic cross-sectional structural diagram of the plug-in mounting socket for an electric energy meter provided in an embodiment of the present application (with the flip socket open).

[0029] Among them, the reference numerals in the figure are: 101, base; 102, plug-in electrode; 103, through groove; 104, tapered hole; 105, push rod; 106, steel ball; 107, compression spring; 108, active pin; 109, flange head; 110, rotating shaft; 111, flip seat; 112, cam part; 113, reset spring; 114, clamping boss; 115, frame; 116, wire pressing bolt; 117, protective cover; 118, connecting hole; 119, cylinder; 120, lead sealing hole; 121, abutment part. DETAILED DESCRIPTION

[0030] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0031] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or 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 indirectly connected to the other element.

[0032] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0033] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0034] Please also read Figures 1 to 5 Now, a plug-in mounting base for an electric energy meter provided in an embodiment of the present application is described. The plug-in mounting base for an electric energy meter comprises a base 101, a plug-in electrode 102 and a push-up assembly. Among them:

[0035] The plug electrode 102 is connected to the base 101 and forms a through groove 103 along its own axial direction at one end away from the base 101. The through groove 103 divides the end of the plug electrode 102 into a plurality of connecting petals distributed along the circumferential direction. The plug electrode 102 forms a tapered hole 104 coaxial with itself and connected to the through groove 103 inside. The small end of the tapered hole 104 faces one end of the plug electrode 102 for forming the through groove 103. The pushing assembly includes a push rod 105 movably installed inside the plug electrode 102 and a driving mechanism that is transmission-connected to the push rod 105 and can move the push rod 105 along the axial direction of the tapered hole 104. The end of the push rod 105 faces the large end of the tapered hole 104 and is adapted to the large end cross-section of the tapered hole 104.

[0036] According to the above structure provided in the present embodiment, in the plug-in mounting seat of the electric energy meter provided in the present embodiment, a through groove 103 is formed along the axial direction of the plug-in electrode 102 at one end away from the base 101, and the through groove 103 divides the end of the plug-in electrode 102 into a plurality of connecting petals distributed along the circumferential direction, and a conical hole 104 is formed inside the plug-in electrode 102 which is coaxial with itself and connected to the through groove 103. After the plug-in electrode 102 arranged on the base 101 is inserted into the electrode port on the electric energy meter, moving the push rod 105 from the large end of the conical hole 104 to the small end of the conical hole 104 along the axial direction of the conical hole 104 can make the plurality of connecting petals at the end of the plug-in electrode 102 open, so that the plug-in electrode 102 can form an interference fit with the electric energy meter and have a more stable connection relationship, thereby effectively improving the installation stability of the electric energy meter, which is far superior to the prior art.

[0037] In another embodiment of the present application, please refer to Figures 1 to 5 The plug electrode 102 is provided with a receiving cavity connected to the tapered hole 104 and used to receive the push rod 105. The push rod 105 is slidably connected to the side wall of the receiving cavity and guided by the side wall of the receiving cavity. According to the above structure provided in this embodiment, the plug electrode 102 can stably move the push rod 105 inside the plug electrode 102 through the receiving cavity provided inside, so that the process of opening the plurality of connection petals is more stable, which is conducive to further improving the installation stability of the electric energy meter.

[0038] In another embodiment of the present application, please refer to Figures 1 to 5 The end of the push rod 105 that is used to abut against the side wall of the tapered hole 104 is spherical. According to the above structure provided in this embodiment, the spherical structure of the end of the push rod 105 is conducive to maintaining a stable abutment relationship with the side wall of the tapered hole 104, which is conducive to reducing friction and further improving the stability of the process of the plurality of connection petals being stretched open.

[0039] In another embodiment of the present application, please refer to Figures 1 to 5 The push assembly includes a steel ball 106 movably mounted inside the accommodating cavity and adapted to the inner diameter of the accommodating cavity, a push rod is arranged between the tapered hole 104 and the steel ball 106, and the driving mechanism is connected to the push rod through the steel ball 106. According to the above structure provided in this embodiment, on the one hand, due to the isotropic uniformity of the steel ball 106, it is convenient for the driving mechanism to transmit the driving force to the push rod 105; on the other hand, it can also reduce the friction during transmission, which is conducive to reducing the operating force of the driving mechanism.

[0040] In another embodiment of the present application, please refer to Figures 1 to 5The push-moving assembly also includes a compression spring 107 installed inside the accommodating cavity, and the compression spring 107 is arranged between the push rod and the steel ball 106 and respectively abuts against the push rod and the steel ball 106. According to the above structure provided in this embodiment, since the plug-in electrode 102 used to connect with the electric energy meter is generally a metal conductive material body, when the driving force of the driving mechanism is eliminated, it is beneficial for the push rod 105 to withdraw from the tapered hole 104 under the automatic restoring force of the connecting flap, which is beneficial to eliminate the metal fatigue generated by the connecting flap, and also to enable the electric energy meter plug-in mounting seat provided in this embodiment to be used stably for a long time; at the same time, through the elastic action of the compression spring 107, the plug-in electrode 102 can adapt to the inner diameter size of the electrode port on the electric energy meter, ensuring that the active pin 108 can reach the self-locking position, thereby ensuring that the plug-in electrode 102 is stably engaged with the electrode port on the electric energy meter, and ensuring the safety of the electrical connection.

[0041] In another embodiment of the present application, please refer to Figures 1 to 5 The driving mechanism includes a driving pin 108 which is horizontally arranged relative to the push rod. The two ends of the driving pin 108 form a ball head and a flange head 109 respectively. The driving pin 108 is always in contact with the steel ball 106 through the ball head. The driving mechanism also includes a flip seat 111 which is rotatably mounted on the base 101 through the rotating shaft 110. The flip seat 111 forms a cam portion 112 which is sleeved on the rotating shaft 110. The cam portion 112 has a side wall which can continuously abut against the flange head 109 during the rotation process. The side wall of the cam portion 112 which abuts against the flange head 109 has a different spacing from the center of the rotating shaft 110 so that the driving pin 108 can move along its own axial direction during the rotation of the flip seat 111 relative to the base 101. It can be understood here that the base 101 has an installation cavity for installing the plug electrode 102, that is, the plug electrode 1 02 is installed in the installation cavity, and the part of the plug-in electrode 102 located in the installation cavity and the base 101 are correspondingly provided with through holes, so that the active pin 108 can pass through the base 101 and extend into the plug-in electrode 102 so that its ball head is always in contact with the steel ball 106. It can also be understood that the stroke of the cam portion 112 to move the active pin 108 should at least make the maximum diameter of the ball head of the active pin 108 pass over the highest point of the steel ball 106 at the axial position of the push rod 105 (that is, the steel ball 106 is in contact with the outer cylindrical surface of the active pin 108 at this time), so that the push rod 105 can maintain the position self-locking before the active pin 108 actively retreats.

[0042] According to the above structure provided in this embodiment, when the flip seat 111 rotates around the rotating shaft 110 relative to the base 101, since the cam portion 112 has different distances between the side wall abutting against the flange head 109 and the center of the rotating shaft 110, the active pin 108 can be driven to move stably along its own axial direction, thereby driving the steel ball 106 abutting against one end of the ball head of the active pin 108 to move stably and drive the push rod 105 to move. In this embodiment, the cam is used to drive the active pin 108 and the push rod 105 to move, which has good transmission stability, and can well improve the movement stability of the push rod 105 along its own axial direction. When the highest point of the cam portion 112 lift abuts against the end surface of the flange head 109 of the active pin 108 (that is, when the flip seat 111 is closed), the center of the rotating shaft 110, the highest point of the cam portion 112 lift and the axis of the active pin 108 are in the same straight line, achieving self-locking, so that the process of opening a plurality of connecting petals is more stable, which is conducive to further improving the installation stability of the electric energy meter. Due to the existence of processing errors or in order to further improve the reliability of self-locking, in this embodiment, it is allowed to be in the closed position when the flip seat 111 is in the closed position (see the key point). Figure 3 ), the highest point of the cam portion 112 passes over the center of the rotating shaft 110. At this time, the abutment portion 121 provided on the flip seat 111 abuts against the corresponding position on the base 101 to limit the position, thereby preventing the cam portion 112 from turning too far.

[0043] In another embodiment of the present application, please refer to Figures 1 to 5 The driving mechanism also includes a reset spring 113 sleeved on the active pin 108, one end of the reset spring 113 abuts against the outer wall of the plug electrode 102 located in the base 101, and the other end abuts against the flange head 109 so that the flange head 109 always has a tendency to move away from the outer wall of the plug electrode 102. According to the above structure provided in this embodiment, during the process of the cam portion 112 rotating to a position with a small center distance from the rotating shaft 110 to abut against the flange head 109 (i.e., during the opening process of the flip seat 111), the reset spring 113 can continuously act on the active pin 108 and reset the active pin 108 to the initial position, so that the steel ball 106 abutting against the active pin 108 and the push rod 105 connected to the steel ball 106 by transmission are reset, that is, the connection flap is automatically reduced and reset, which is conducive to the automatic initialization of the plug-in mounting seat of the electric energy meter provided in this embodiment, and has a flexible and convenient use effect.

[0044] In another embodiment of the present application, please refer to Figures 1 to 5The base 101 is formed with a clamping boss 114 for clamping with the target electric energy meter, and the clamping direction of the clamping boss 114 and the target electric energy meter is parallel to the axial direction of the plug electrode 102. According to the above structure provided in this embodiment, by providing the clamping boss 114 on the base 101, the clamping boss 114 can be matched with the plug electrode 102 to form a more stable clamping with the target electric energy meter, which is conducive to further improving the installation stability of the electric energy meter.

[0045] In another embodiment of the present application, please refer to Figures 1 to 5 , a relative frame 115 is formed on the base 101, and the frame 115 is parallel to the plugging electrode 102 and is used to provide guidance for the target electric energy meter. According to the above structure provided in this embodiment, the frame 115 can provide guidance for the process of plugging the target electric energy meter into the plugging electrode 102, thereby further improving the installation stability of the electric energy meter.

[0046] In another embodiment of the present application, please refer to Figures 1 to 5 The plug-in mounting base of the electric energy meter also includes a wire-pressing bolt 116 disposed on the plug-in electrode 102 at one end away from the through slot 103, and a protective cover 117 slidably connected to the base 101 and used to shield the wire-pressing bolt 116. The protective cover 117 and the base 101 are provided with corresponding connection holes 118. A cylinder 119 surrounding the connection hole is formed on the protective cover 117, and a lead-sealing hole 120 is formed on the cylinder 119. According to the above structure provided in the present embodiment, it can be understood that a wiring cavity connected to the accommodating cavity is provided at the position of the wire-pressing bolt 116 on the plug-in electrode 102. When the wires on the circuit are inserted into the wiring cavity, the wire-pressing bolt 116 is tightened to fix the wires, and then the protective cover 117 can be slid relative to the base 101 to shield the wire-pressing bolt 116. After the cylinder 119 is installed into the lead seal through the lead seal hole 120, the protective cover 117 and the corresponding connection holes 118 on the base 101 can be completely sealed to prevent the connection of the wires from being unexpectedly disassembled or reconnected, which is beneficial to maintaining the connection security of the plug-in mounting base of the electric energy meter in this embodiment and avoiding the occurrence of electricity theft.

[0047] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A plug-in mounting base for an electric energy meter, characterized in that: include: Base (101); A plug-in electrode (102) is connected to the base (101) and has one end away from the base (101) forming a through groove (103) along its own axial direction, the through groove (103) dividing the end of the plug-in electrode (102) into a plurality of connecting petals distributed along the circumferential direction, and the plug-in electrode (102) has a conical hole (104) coaxial with itself and connected to the through groove (103) formed inside, the small end of the conical hole (104) facing the plug-in electrode (102) for forming one end of the through groove (103); A push assembly comprises a push rod (105) movably mounted inside the plug-in electrode (102) and a driving mechanism which is transmission-connected to the push rod (105) and can move the push rod (105) axially along the tapered hole (104); the end of the push rod (105) faces the large end of the tapered hole (104) and is adapted to the large end cross-section of the tapered hole (104).

2. The plug-in mounting base of the electric energy meter according to claim 1, characterized in that: The plug-in electrode (102) is provided with an accommodating cavity which is connected to the tapered hole (104) and is used to accommodate the push rod (105); the push rod (105) is slidably connected to the side wall of the accommodating cavity and is guided by the side wall of the accommodating cavity.

3. The plug-in mounting base of the electric energy meter according to claim 1, characterized in that: One end of the push rod (105) used for abutting against the side wall of the tapered hole (104) is spherical.

4. The plug-in mounting base of the electric energy meter according to claim 2, characterized in that: The push-up assembly comprises a steel ball (106) movably mounted inside the accommodating cavity and adapted to the inner diameter of the accommodating cavity; The push rod (105) is arranged between the tapered hole (104) and the steel ball (106), and the driving mechanism is connected to the push rod (105) through the steel ball (106).

5. The plug-in mounting base of the electric energy meter according to claim 4, characterized in that: The pushing assembly also includes a compression spring (107) installed inside the accommodating cavity; The compression spring (107) is arranged between the push rod (105) and the steel ball (106) and abuts against the push rod (105) and the steel ball (106) respectively.

6. The plug-in mounting base of the electric energy meter according to claim 4, characterized in that: The driving mechanism comprises a driving pin (108) disposed transversely relative to the push rod, with a ball head and a flange head (109) formed at both ends of the driving pin (108), and the driving pin (108) is always in contact with the steel ball (106) via the ball head; The driving mechanism further comprises a flip seat (111) rotatably mounted on the base (101) via a rotating shaft (110); the flip seat (111) forms a cam portion (112) sleeved on the rotating shaft (110); the cam portion (112) has a side wall that can continuously abut against the flange head (109) during rotation; the side wall of the cam portion (112) abutting against the flange head (109) has different spacings from the center of the rotating shaft (110) so that the active pin (108) can move along its own axial direction during the rotation of the flip seat (111) relative to the base (101).

7. The plug-in mounting base of the electric energy meter according to claim 6, characterized in that: The driving mechanism further comprises a return spring (113) sleeved on the active pin (108); One end of the return spring (113) abuts against the outer wall of the plug electrode (102) located inside the base (101), and the other end abuts against the flange head (109) so that the flange head (109) always tends to move away from the outer wall of the plug electrode (102).

8. The plug-in mounting base of an electric energy meter as claimed in claim 1, characterized in that: A clamping boss (114) for clamping with a target electric energy meter is formed on the base (101), and a clamping direction of the clamping boss (114) and the target electric energy meter is parallel to the axial direction of the plug-in electrode (102).

9. The plug-in mounting base of the electric energy meter according to claim 8, characterized in that: A relative frame (115) is formed on the base (101); the frame (115) is parallel to the plug-in electrode (102) and is used to provide guidance for the target electric energy meter.

10. The plug-in mounting base of an electric energy meter according to claim 1, characterized in that: The electric energy meter plug-in mounting seat further comprises a wire-pressing bolt (116) arranged on the plug-in electrode (102) at an end away from the through slot (103), and a protective cover (117) slidably connected to the base (101) and used to shield the wire-pressing bolt (116); The protective cover (117) and the base (101) are provided with corresponding connection holes (118), the protective cover (117) is formed with a cylinder (119) surrounding the connection hole, and the cylinder (119) is formed with a lead sealing hole (120).

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