Connecting seat for electricity meter

Abstract

A connecting seat for an electricity meter comprises a connecting seat body and two conduction pieces, one end of each conduction piece is a first connecting end, the first connecting ends are installed in the connecting seat body, the top ends of the first connecting ends are further provided with plugging ports, and the first connecting ends are further provided with clamping channels matched with the plugging ports. An elastic clamping contact structure is further arranged on the wall face of the clamping channel, a second connecting end is arranged at the other end of the conduction piece, the second connecting end is of a bent structure and is connected to the top end of the first connecting end, and the tail end of the second connecting end penetrates out of the connecting base body from one side of the first connecting end. The plugging direction from the second connecting end to the PCB is parallel to the plugging direction from the conductive column of the battery box to the first connecting end, and a first mounting structure matched with the PCB is further arranged on the connecting seat body. The battery box is simple and compact in structure and reasonable in design, and the PCB can be mounted on one side of the top of the battery box in a closer manner, so that the PCB can be stably fixed by a sleeving clamping piece outside the top of the battery box.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of connecting seat, especially relates to a connecting seat for electric meter. BACKGROUND

[0002] At present, the internal circuit board and external conductive column of electric meter usually need to realize the connection by the aid of connecting seat to realize the power supply of the battery in the battery box to the circuit board. The connecting seat generally comprises a shell and an electric connection part arranged in the shell. In the prior art, the electric connection part is composed of a first connecting end matched with the battery box and a second connecting end matched with the PCB. The second connecting end is connected to the lower side of the first connecting end and vertically extends to the outside of the bottom of the shell. The connecting seat with the above structure has unreasonable electric connection part structure design, which makes the overall length of the connecting seat longer and is not conducive to the installation of the mounting connection structure of the PCB on the battery box. SUMMARY

[0003] In view of the above-mentioned defects of the prior art, the utility model aims to provide a connecting seat for electric meter with reasonable structure design and enabling the matched battery box to realize the reinforced fixation of the PCB through the installation of the clamping part.

[0004] The utility model solves the technical problem by the technical scheme that a connecting seat for electric meter comprises a connecting seat body and a through part arranged on the connecting seat body. The through part is used for connecting the battery box and the PCB. One end of the through part is provided with a first connecting end. The first connecting end is installed in the connecting seat body. The top end of the first connecting end is further provided with a plug-in interface. The first connecting end is further provided with a clamping channel matched with the plug-in interface. The wall surface of the clamping channel is further provided with an elastic clamping contact structure. The other end of the through part is provided with a second connecting end. The second connecting end is in a bent structure and is connected to the top end of the first connecting end. The end of the second connecting end is connected to the side of the first connecting end and extends to the outside of the connecting seat body. The plug-in direction of the second connecting end to the PCB is parallel to the plug-in direction of the conductive column of the battery box to the first connecting end. The connecting seat body is further provided with a first mounting structure matched with the PCB.

[0005] The advantages of the above technical scheme are as follows: the conducting part is used as an electrical connecting part to connect the PCB and the battery box, and the battery box is arranged vertically relative to the PCB, so that the second connecting end of the conducting part is arranged in parallel with the plug-in direction of the PCB and the plug-in direction of the battery box, that is, the end of the second connecting end is vertically arranged upward or downward, and the second connecting end is arranged on the upper side of the first connecting end, so that the PCB can be arranged closer to the top side of the battery box, and the sleeve clamping part arranged on the top of the battery box can be used to stably fix the PCB, the overall structure is reasonable, the clamping contact structure is arranged in the clamping channel of the first connecting end, so as to ensure the stable contact between the conducting part and the conductive column of the battery box, and the first mounting structure is arranged, so as to quickly mount and fix the connecting seat body.

[0006] Further, the first connecting end is a rectangular ring, and the clamping contact structure comprises a first clamping piece and a second clamping piece, the first clamping piece is arranged on the left and right sides of the first connecting end, and the second clamping piece is arranged on the back side of the first connecting end.

[0007] The advantages of the above technical scheme are as follows: by arranging the first connecting end in a rectangular ring shape, and arranging the first clamping piece on the left and right sides of the first connecting end and the second clamping piece on the back side of the first connecting end, when the conductive column is inserted into the clamping channel, the first clamping piece and the second clamping piece can be clamped and contacted with the conductive column, so as to effectively ensure the stability of the electrical connection, and the structure is reasonable.

[0008] Further, the first connecting end is a rectangular ring, and the clamping contact structure comprises a first clamping piece and a second clamping piece, the first clamping piece is arranged on the left and right sides of the first connecting end, and the second clamping piece is arranged on the back side of the first connecting end.

[0009] The advantages of the above technical scheme are as follows: the first clamping part is arranged, and the first clamping piece is arranged on the first clamping part, so that the stability of the electrical connection is higher.

[0010] Further, the first connecting end is a circular ring, and the clamping contact structure comprises a plurality of metal elastic pieces that are arched into the clamping channel, and the metal elastic pieces are circumferentially and intervaliy arranged on the middle part of the first connecting end.

[0011] The first connecting end can be circular and the metal elastic sheet in the clamping contact structure can be arranged on the middle part of the first connecting end, and the metal elastic sheet is arranged in a circumferential interval and is arched towards the clamping channel, so that the metal elastic sheet can form a multi-point clamping contact with the conductive column after the conductive column is inserted into the clamping channel, thereby effectively ensuring the stability of the electrical connection and the structure design is reasonable.

[0012] Further, the connecting seat body comprises a seat body and a cover body, the cover body is installed on the upper side of the seat body and limits the through part on the seat body, and a second mounting structure is arranged between the cover body and the seat body, and the second mounting structure is a riveting structure, a hook structure or an ultrasonic welding structure.

[0013] The connecting seat body is assembled by the seat body and the cover body, the components are convenient to install, and the second mounting structure is arranged between the cover body and the seat body, the second mounting structure is one of a riveting structure, a hook structure or an ultrasonic welding structure, so that the cover body and the seat body are tightly matched, and the structure design is reasonable.

[0014] Further, the bottom surface of the seat body is provided with a plug-in part, the seat body is provided with a plug-in cavity matched with the first connecting end on the plug-in part, the bottom of the plug-in cavity is closed, the cover body is provided with a through hole corresponding to the plug-in cavity, and the size of the through hole is not greater than the size of the clamping channel.

[0015] The plug-in part is provided with the plug-in cavity for plug-in of the first connecting end, the bottom of the plug-in cavity is closed, water vapor cannot enter the plug-in cavity from the bottom, the use of the through part is safer, the size of the through hole of the cover body is not greater than the size of the clamping channel, the cover body can effectively shield the four walls of the clamping channel, the phenomenon that the first connecting end is deformed due to misplug is prevented, and the structure design is reasonable.

[0016] Further, the upper surface of the seat body is recessed to form a mounting position, the plug-in part is arranged outside the bottom of the mounting position, the mounting position is matched with the cover body, and the second mounting structure is formed between the mounting position and the cover body.

[0017] The mounting position is arranged, the position of the cover body on the seat body is limited, the cover body can better limit the through part on the seat body, and the second mounting structure is arranged between the mounting position and the cover body, and the positions are reasonable.

[0018] Further, the outer wall surface of the seat body is provided with a support ring at the top, the mounting position is arranged on the support ring, and the end of the second connecting end is arranged on the support ring.

[0019] The advantages of the above technical scheme are that the support ring enables the seat body to be more stably matched with the PCB, and the support ring also supports the second connecting end, thereby ensuring the service life of the second connecting end and making the connection of the second connecting end with the PCB more convenient and stable.

[0020] Further, the seat body is further provided with a semi-enclosed avoidance cavity, and the plug-in part is arranged outside the bottom of the avoidance cavity.

[0021] The advantages of the above technical scheme are that the avoidance cavity is arranged at a proper position of the seat body to avoid the plug-in part at the bottom of the outer wall of the battery box, so that the installation height of the battery box is not too high, the avoidance cavity is matched with the wall surface of the battery box, and the installation stability of the battery box is improved.

[0022] Further, the avoidance cavity is provided with a first positioning slot at a corresponding position of the plug-in part, and a second positioning slot penetrating through the top of a side wall of the first positioning slot is arranged.

[0023] The advantages of the above technical scheme are that the first positioning slot can be positioned with the positioning column on the battery box, the second positioning slot can be fixed with the positioning plate rib on the positioning column, and the connection seat is more accurately matched after installation. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The overall structure of the utility model Figure 1 ;

[0025] Figure 2 The overall structure of the utility model Figure 1 ;

[0026] Figure 3 The overall structure of the utility model Figure 2 is shown in the exploded view;

[0027] Figure 4 The seat body structure in the utility model Figure 2 is shown in the schematic view;

[0028] Figure 5 The seat body structure in the utility model Figure 2 is shown in another view;

[0029] Figure 6 The conductive part structure in the utility model Figure 2 is shown in the schematic view; Figure 1

[0030] Figure 7 Figure 2 ​​Another view of the conducting piece structure in the figure;

[0031] Figure 8 As Figure 2 Schematic view of the cover structure in the figure;

[0032] Figure 9 As Figure 2 Schematic view of the conducting piece and cover cooperation structure in the figure;

[0033] Figure 10 Schematic view of the seat body structure of the utility model Figure 2 ;

[0034] Figure 1 1 Schematic view of the cover structure of the utility model Figure 2 ;

[0035] Figure 12 Schematic view of the seat body structure of the utility model Figure 3 ;

[0036] Figure 13 Schematic view of the cover structure of the utility model Figure 3 ;

[0037] Figure 14 Schematic view of the conducting piece structure of the utility model Figure 2 ;

[0038] Figure 15 Schematic view of the seat body structure of the utility model Figure 4 ;

[0039] Figure 16 Schematic view of the cover structure of the utility model Figure 4 ;

[0040] Figure 17 Schematic view of the cooperation structure of the utility model and PCB, card piece and battery box Figure 1 ;

[0041] Figure 18 Schematic view of the cooperation structure of the utility model and PCB, card piece and battery box Figure 2 .

[0042] In the figure: 1-connection seat body, 2-conducting piece, 3-first connection end, 4-plug interface, 5-clamping channel, 6-second connection end, 7-first installation structure, 8-first clamping piece, 9-second clamping piece, 10-first clamping part, 11-metal elastic sheet, 12-seat body, 13-cover, 14-second installation structure, 15-plug-in part, 16-plug-in cavity, 17-passage, 18-mounting position, 19-support ring, 20-avoidance concave cavity, 21-first positioning slot, 22-second positioning slot, 23-first positioning block, 24-second positioning block. DETAILED DESCRIPTION

[0043] In order to more clearly illustrate the technical solutions of the embodiments of the present application and / or the prior art, the specific embodiments of the present application will be described below with reference to the drawings. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without creative labor, and other embodiments can also be obtained. Another related position belongs to only indicate the relative position relationship between the components, not the absolute position relationship.

[0044] Please refer to Figures 1 to 18 As shown in the figure, a connecting seat for an electric meter, comprising a connecting seat body 1, and two conducting pieces 2 provided on the connecting seat body 1, the conducting piece 2 is used to connect the battery box and the PCB board, one end of the conducting piece 2 is provided as a first connecting end 3, the first connecting end 3 is installed in the connecting seat body 1, the top end of the first connecting end 3 is also provided with a plug-in interface 4, the first connecting end 3 is also provided with a clamping channel 5 matched with the plug-in interface 4, the conductive column of the battery box will be inserted into the clamping channel 5 from the direction of the plug-in interface 4, and the wall surface of the clamping channel 5 is also provided with a elastic clamping contact structure, the clamping contact structure and the clamping channel 5 form a clamping to the conductive column, so as to ensure the contact stability of the conducting piece 2 and the conductive column of the battery box, the other end of the conducting piece 2 is provided as a second connecting end 6, the second connecting end 6 is a bending structure and is connected to the top end of the first connecting end 3, more specifically, the second connecting end 6 will be a horizontal continuous bending structure, at the same time, the end of the second connecting end 6 penetrates out of the connecting seat body 1 on one side of the first connecting end 3, and the plug-in direction of the second connecting end 6 to the PCB board is parallel to the plug-in direction of the conductive column of the battery box to the first connecting end 3, in the above structure, the conducting piece 2 is used as an electrical connecting piece to connect the PCB board and the battery box, and the battery box needs to be vertically arranged relative to the PCB board, therefore, in order to realize the connecting effect of the conducting piece 2 and the more reasonable matching mode, the plug-in direction of the second connecting end 6 of the conducting piece 2 to the PCB board and the plug-in direction of the first connecting end 3 to the battery box are arranged in parallel, that is to say, the end of the second connecting end 6 will be a vertical structure upward or downward, more specifically, when the end of the second connecting end 6 is a vertical structure upward, the PCB board and the battery box will be arranged on the same side of the connecting seat body 1, when the end of the second connecting end 6 is a vertical structure downward, the PCB board and the battery box will be arranged on the two sides of the connecting seat body 1, at the same time, the second connecting end 6 is arranged to be connected to the upper side of the first connecting end 3, that is to say, the second connecting end 6 will be connected to one side of the plug-in interface 4 of the first connecting end, in this way, compared with the mode that the second connecting end 6 is connected to the lower side of the first connecting end 3, the PCB board can be installed closer to the top side of the battery box, so as to facilitate the stable fixation of the PCB board by the sleeving clamping piece outside the top of the battery box, and the overall structure design is reasonable.

[0045] In the embodiment, the first mounting structure 7 is arranged on the connecting seat body 1 to cooperate with the PCB, and the first mounting structure 7 is arranged to realize quick mounting and fixing of the connecting seat body 1. More specifically, the first mounting structure 7 can be a barb, which is not prone to flash after injection molding and is convenient to process.

[0046] In the embodiment, the first connecting end 3 is in a rectangular ring shape, and the clamping contact structure includes a first clamping piece 8 and a second clamping piece 9. The first clamping piece 8 and the second clamping piece 9 are formed by punching. The first clamping piece 8 is arranged on the left and right sides of the first connecting end 3, and the second clamping piece 9 is arranged on the back side of the first connecting end 3. When the conductive column is inserted into the clamping channel 5, the first clamping piece 8 and the second clamping piece 9 can form clamping contact with the conductive column, thereby effectively ensuring the stability of the electrical connection and the reasonable structure design.

[0047] In the embodiment, the first connecting end 3 is in a rectangular ring shape, and the clamping contact structure includes a first clamping piece 8 and a second clamping piece 9. The first clamping piece 8 and the second clamping piece 9 are formed by punching. The first clamping piece 8 is arranged on the left and right sides of the first connecting end 3, and the second clamping piece 9 is arranged on the back side of the first connecting end 3. When the conductive column is inserted into the clamping channel 5, the first clamping piece 8 and the second clamping piece 9 can form clamping contact with the conductive column, thereby effectively ensuring the stability of the electrical connection and the reasonable structure design.

[0048] In the embodiment, the first connecting end 3 is in a rectangular ring shape, and the clamping contact structure includes a first clamping piece 8 and a second clamping piece 9. The first clamping piece 8 and the second clamping piece 9 are formed by punching. The first clamping piece 8 is arranged on the left and right sides of the first connecting end 3, and the second clamping piece 9 is arranged on the back side of the first connecting end 3. When the conductive column is inserted into the clamping channel 5, the first clamping piece 8 and the second clamping piece 9 can form clamping contact with the conductive column, thereby effectively ensuring the stability of the electrical connection and the reasonable structure design.

[0049] The connecting seat body 1 comprises a seat body 12 and a cover body 13, the cover body 13 is installed on the upper side of the seat body 12 and defines the through conductor 2 on the seat body 12, more specifically, the second connecting end 6 of the through conductor 2 is arranged on the upper surface of the seat body 12, that is, the through conductor 2 is connected with the seat body 12 through assembly, the second installation structure 14 is arranged between the cover body 13 and the seat body 12, the second installation structure 14 is a riveting structure or a hook structure or an ultrasonic welding structure, the connecting seat body 1 is assembled by the seat body 12 and the cover body 13, the components are convenient to install, and the second installation structure 14 is arranged between the cover body 13 and the seat body 12, the second installation structure 14 is one of a riveting structure, a hook structure or an ultrasonic welding structure, so as to realize the close cooperation of the cover body 13 and the seat body 12, and the structure design is reasonable.

[0050] In the above structure, the second installation structure 14 is a riveting structure, more specifically, the riveting structure comprises a connecting column and a connecting hole, when the connecting column is formed on the seat body 12, the connecting hole is formed on the cover body 13, when the connecting column is formed on the cover body 13, the connecting hole is formed in the seat body 12, and the connecting column and the connecting hole can be cooperated by riveting or ultrasonic welding, of course, the second installation structure 14 can also be a hook structure, more specifically, the hook structure comprises an elastic hook and a clamping port, the elastic hook is formed on the surface of the cover body 13, and the clamping port is formed in the seat body 12, in this way, the assembly of the battery box is avoided to be interfered, therefore, the close cooperation of the cover body 2 and the seat body 1 can be realized through different forms of the second installation structure 14.

[0051] In the above structure, the bottom surface of the seat body 12 is provided with a plug-in part 15, the plug-in part 15 is provided with a plug-in cavity 16 matched with the first connecting end 3, the bottom of the plug-in cavity 16 is closed, the cover body 13 is provided with a through hole 17 corresponding to the plug-in cavity 16, and the size of the through hole 17 is not greater than the size of the clamping channel 5, the plug-in part 15 with the plug-in cavity 16 is arranged to plug the first connecting end 3, and the bottom of the plug-in cavity 16 is closed, so that the water vapor cannot enter into the plug-in cavity 16 from the lower part, the use of the through conductor 2 is safer, the structure of the seat body 12 is reasonable, and the size of the through hole 17 on the cover body 13 is not greater than the size of the clamping channel 5, in this way, the cover body 13 can effectively shield the wall around the clamping channel 5, so as to prevent the deformation of the first connecting end 3 caused by misplug, and the overall structure design is reasonable.

[0052] In the above structure, the upper surface of the seat body 12 is recessed to form a mounting position 18, the insertion part 15 is arranged outside the bottom of the mounting position 18, the mounting position 18 is matched with the cover body 13, and the second mounting structure 14 is formed between the mounting position 18 and the cover body 13. By arranging the mounting position 18, the position of the cover body 13 on the seat body 12 is limited, and the cover body 13 can better limit the through member 2 on the seat body 12. The second mounting structure 14 is arranged between the mounting position 12 and the cover body 13, and the position is reasonable.

[0053] In the above structure, the outer wall surface of the seat body 12 is provided with a support ring 19 at the top, the support ring 19 is a convex structure, the mounting position 18 is partially arranged on the support ring 19, and the end of the second connecting end 6 extends at the support ring 19. By arranging the support ring 19, the seat body 12 can be more stably matched on the PCB board. The support ring 19 also has the effect of supporting the second connecting end 6, thereby ensuring the service life of the second connecting end 6. The connection between the second connecting end 6 and the PCB board is more convenient and stable.

[0054] In the above structure, the seat body 12 is also provided with a semi-enclosed structure of the avoiding recess 20, and the insertion part 15 is arranged outside the bottom of the avoiding recess 20. By arranging the avoiding recess 20 at a proper position of the seat body 12, the insertion socket at the bottom of the outer wall of the battery box is avoided, so that the installation height of the battery box will not be too high, and the avoiding recess 20 will be matched with the wall surface of the battery box, and has the effect of improving the installation stability of the battery box.

[0055] In the above structure, the second connecting end 6 will be horizontally bent three times, which is arranged on one side, that is, to match the upper surface of the seat body 12, so as to form positioning of the through member 2 again. Of course, the positioning structure of the positioning insertion cavity 16 can also be arranged on the first connecting end 3, and the corresponding mounting position 13 is also formed on the corresponding inner wall surface of the avoiding recess 12. The cover body 2 is matched with the mounting position 13. The second connecting end 5 is bent three times in the counterclockwise direction, and has higher strength. At the same time, the second connecting end 5 will be bent to match the upper surface of the seat body 1, and the structure design is reasonable. The arrangement of the mounting position 13 makes the cover body 2 better limit the through member 3 on the seat body 1.

[0056] In the above structure, the first positioning slot 21 is arranged at the corresponding position of the avoiding recess 21 relative to the insertion part 15. The second positioning slot 22 is arranged on the side wall of the avoiding recess 21 opposite to the insertion cavity. By arranging the first positioning slot 21, the first positioning slot 21 can realize position positioning with the positioning insertion column on the battery box. By arranging the second positioning slot 22, the second positioning slot 22 can realize position fixing with the positioning plate rib on the positioning insertion column. The installation is more accurate.

[0057] In the above structure, the first positioning block 23 and the second positioning block 24 are respectively arranged between the cover body 12 and the mounting position 18, the first positioning block 23 and the second positioning block 24 form the mounting groove matched with the second connecting end 6 in the mounting position 18, the first positioning block 23, the second positioning block 24 and the mounting position 18 form the mounting groove 16 for mounting the second connecting end 6, the position limiting effect of the second connecting end 6 is better, more specifically, the side walls of the first positioning block 23 and the second positioning block 24 are spaced apart from the corresponding side walls of the mounting position 18 to form the mounting groove, and the first positioning block 23 and the second positioning block 24 are respectively arranged on the cover body 13 and the mounting position 18, therefore, the second connecting end 6 mounted in the mounting position 18 is not easy to move in position before the cover body 12 is mounted, and the structure design is reasonable.

[0058] The above is a further detailed description of the utility model in combination with specific preferred embodiments, and the specific implementation of the utility model cannot be limited to these descriptions. For ordinary skilled persons in the technical field to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, and all of them should be regarded as falling within the protection scope of the utility model.

Claims

1. A connector for an electricity meter, comprising a connector body (1) and a conductive element (2) disposed on the connector body (1), the conductive element (2) being used to connect a battery box and a PCB board, characterized in that: One end of the conducting piece (2) is provided with a first connecting end (3), the first connecting end (3) is installed in the connecting seat body (1), the top end of the first connecting end (3) is further provided with a plug interface (4), the first connecting end (3) is further provided with a clamping channel (5) matched with the plug interface (4), the wall surface of the clamping channel (5) is further provided with an elastic clamping contact structure, the other end of the conducting piece (2) is provided with a second connecting end (6), the second connecting end (6) is in a bent structure and is connected to the top end of the first connecting end (3), the end of the second connecting end (6) is out of the connecting seat body (1) on one side of the first connecting end (3), and the plug-in direction of the second connecting end (6) on the PCB is parallel to the plug-in direction of the conductive column of the battery box into the first connecting end (3), the connecting seat body (1) is further provided with a first mounting structure (7) matched with the PCB.

2. The connection seat for an electric meter according to claim 1, characterized in that: The first connecting end (3) is a rectangular ring, the clamping contact structure includes a first clamping piece (8) and a second clamping piece (9), the first clamping piece (8) is arranged on the left and right sides of the first connecting end (3), and the second clamping piece (9) is arranged on the back side of the first connecting end (3).

3. A connection base for an electricity meter according to claim 2, characterised in that: The left and right sides of the first connecting end (3) are provided with first clamping portions (10) at corresponding positions, the first clamping portions (10) are in an inwardly arched shape, the first clamping portions (10) are provided with the first clamping pieces (8), and the first clamping portions (10) and the first clamping pieces (8) are in clamping contact with the conductive column.

4. The connector according to claim 1, wherein: The first connecting end (3) is a circular ring, the clamping contact structure includes a plurality of metal elastic pieces (11) arched into the clamping channel (5), and the metal elastic pieces (11) are circumferentially and intervaliy distributed on the middle part of the first connecting end (3).

5. A connection block for an electricity meter according to claim 3 or 4, characterised in that: The connecting seat body (1) includes a seat body (12) and a cover body (13), the cover body (13) is installed on the upper side of the seat body (12) and defines the conducting piece (2) on the seat body (12), a second mounting structure (14) is arranged between the cover body (13) and the seat body (12), and the second mounting structure (14) is a riveting structure, a hook structure or an ultrasonic welding structure.

6. A connection base for an electricity meter according to claim 5, characterised in that: The bottom surface of the seat body (12) is provided with a plug-in portion (15), the seat body (12) is provided with a plug-in cavity (16) matched with the first connecting end (3) on the plug-in portion (15), the bottom of the plug-in cavity (16) is in a closed form, the cover body (13) is provided with a through hole (17) corresponding to the plug-in cavity (16), and the size of the through hole (17) is not greater than the size of the clamping channel (5).

7. A connection base for an electricity meter according to claim 6, characterised in that: The upper surface of the seat body (12) is recessed to form a mounting position (18), the plug-in portion (15) is arranged outside the bottom of the mounting position (18), the mounting position (18) is matched with the cover body (13), and the second mounting structure (14) is formed between the mounting position (18) and the cover body (13).

8. A connection base for an electricity meter according to claim 7, characterised in that: The outer wall surface top of the seat body (12) is provided with a supporting ring (19), and the mounting position (18) is partially arranged on the supporting ring (19), and the end of the second connecting end (6) is arranged on the supporting ring (19).

9. A connection base for an electricity meter according to claim 8, characterised in that: The seat body (12) is further provided with a semi-enclosed structure of the avoidance cavity (20), and the plug-in part (15) is arranged outside the bottom of the avoidance cavity (20).

10. The connection seat for an electric meter according to claim 9, characterized in that: The avoidance cavity (20) is provided with a first positioning slot (21) at the corresponding position of the plug-in part (15), and the first positioning slot (21) is provided with a second positioning slot (22) penetrating the top of the side wall surface of the plug-in cavity.

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