CN218601359U

CN218601359U - From electrified meter replacing structure

Info

Publication number: CN218601359U
Application number: CN202222642388.8U
Authority: CN
Inventors: 王志清
Original assignee: Wuhan Lampson Environmental Protection Technology Co ltd
Current assignee: Wuhan Lampson Environmental Protection Technology Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-03-10
Anticipated expiration: 2032-10-08

Abstract

The utility model provides a from electrified table structure of trading, it includes the ammeter mounting bracket, including installation base and wiring casing, a plurality of plug connectors, the plug connector setting is on the casing of working a telephone switchboard, and rotary part, rotary part are including rotating handle and electric connection piece, rotate the rotatable setting of handle on the casing of working a telephone switchboard, and a plurality of promotion parts, promote the mobilizable setting of part in the casing of working a telephone switchboard and with the plug connector one-to-one, promote part one end and turning handle butt, the turning handle can rotate to the casing of working a telephone switchboard and have at least that the drive promotes the part internal stay plug connector take place deformation, with ammeter interference fit's latched position and make the relative plug connector of promotion part remove, the answer position that plug connector deformation resumes, work as the turning handle is in when replying the position, the electric connection piece with the contact of promotion part. The utility model discloses the setting no longer needs to insert piezoelectric mechanism alone, has simplified operator's operating procedure.

Description

From electrified meter replacing structure

Technical Field

The utility model relates to an ammeter technical field especially relates to a from electrified table structure of trading.

Background

The electric energy meter, also known as a watt-hour meter, is an instrument mainly used for measuring electric energy, and is widely used in daily life and work, and the existing electric energy meter needs to adopt a 485 line connection mode in use, and an incoming line is connected into the electric energy meter so as to measure and count the electric energy. When the electric energy meter enters a rotation period, the configuration does not meet the requirement or the metering accuracy or the function fault occurs, the metering electric energy meter needs to be exchanged. In order to minimize the impact on the power consumption of the user, it is generally required to implement a power-off table change.

For example, patent CN112162130B provides a structure for changing a meter with electricity, which is provided with a rotary switching mechanism and a piezoelectric mechanism, wherein the rotary switching mechanism rotates to disconnect the meter from a circuit, and the piezoelectric mechanism is inserted into a meter rack to short-circuit electric shocks and keep the circuit connected, so that power is not needed to be cut off when the meter is replaced, and influence on electricity consumption of a user is reduced.

The self-charging meter-changing structure has the following problems: there are two devices that require an operator to perform multiple operations: firstly inserting the piezoelectric mechanism, then rotating the rotary switching mechanism, after replacing the electric meter, reversely rotating the rotary switching mechanism, and finally pulling out the piezoelectric mechanism; the operation is complicated.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a self-powered meter-changing structure, which solves the problem of complicated operation of the conventional self-powered meter-changing structure.

The utility model provides a from electrified table structure of trading, include:

the ammeter mounting frame comprises a mounting base for mounting the ammeter and a wiring shell arranged on one side of the mounting base,

a plurality of plug connectors arranged on the wiring shell,

the rotating component comprises a rotating handle and an electric connecting sheet, the electric connecting sheet is embedded on the rotating handle, two ends of the electric connecting sheet form two contact surfaces on the rotating handle, the rotating handle is rotatably arranged on the wiring shell,

the pushing components are movably arranged in the wiring shell and correspond to the plug connectors one by one, one end of each pushing component is abutted to the rotating handle, and the rotating handle can rotate relative to the wiring shell and at least comprises a locking position for driving the pushing components to internally support the plug connectors to deform and to be in interference fit with an ammeter and a restoring position for enabling the pushing components to move relative to the plug connectors and restoring the deformation of the plug connectors; when the rotating handle is located at the return position, the plug connector and the ammeter are inserted into a gap, and the two contact surfaces are respectively contacted with the two pushing components, so that the input end and the output end of the one-phase circuit are in short circuit.

Optionally, the rotating handle includes a cam portion, a connecting portion and a holding portion, one end of the connecting portion is connected to the cam portion, the other end of the connecting portion is connected to the holding portion, the cam portion is eccentrically hinged to the wiring housing, and an outer surface of the cam portion abuts against the pushing member.

Optionally, the cam portion has one end closer to the hinge and one end farther from the hinge; when one end of the cam part close to the hinge joint is contacted with the pushing component, the rotating handle is in the return position; when the end of the cam part far away from the hinge is contacted with the pushing component, the rotating handle is in the locking position.

Optionally, the electrical connection sheet main body is embedded in the cam portion, the electrical connection sheet portion is exposed relative to the cam portion, the contact surfaces are formed on the surface of the cam portion, and when the rotating handle is located at the return position, the two contact surfaces are respectively contacted with the two pushing members, so that the input end and the output end of the one-phase circuit are in short circuit.

Optionally, the plug connector comprises a plugging portion and an embedded portion, the plugging portion is fixed to one side of the embedded portion, the plug connector enters the wiring shell through the embedded portion, the plugging portion is formed by surrounding a plurality of arc-shaped pieces, the arc-shaped pieces are elastic, and the arc-shaped pieces can deform after being extruded.

Optionally, when the pushing member is in the restoring position, the insertion portion is tapered and has a taper.

Optionally, the inboard of arc piece is equipped with first ladder and the second ladder that has the thickness difference, the thickness of first ladder is less than the thickness of second ladder, first ladder with second ladder rounding off is connected, and is a plurality of the arc piece surrounds and forms the harmomegathus chamber, the harmomegathus chamber is including the first ladder chamber and the second ladder chamber that communicate each other, first ladder chamber by enclose between the first ladder and close to form, the second ladder chamber by enclose between the second ladder and close to form, the pushing component with first ladder or the sliding butt of second ladder.

Optionally, the pushing component includes a first direction moving member and a second direction moving member, the first direction moving member is disposed inside the wiring housing along a first direction, one end of the first direction moving member abuts against the rotating handle and can move along the first direction under the driving of the rotating handle, the other end of the first direction moving member extends into the embedded portion and abuts against one end of the second direction moving member, the second direction moving member is disposed inside the expansion and contraction cavity along a second direction, and the second direction moving member can move relative to the expansion and contraction cavity along the second direction under the driving of the first direction moving member.

Optionally, a display lamp is arranged on the rotating handle, and two ends of the display lamp are electrically connected with two ends of the electrical connection sheet.

Optionally, one side of the wiring casing is provided with an incoming line used for accessing an outdoor line, the upper surface of the wiring casing is provided with an outlet used for accessing the outdoor line, the ammeter mounting bracket further comprises an cover plate, the cover plate is clamped on the upper surface of the wiring casing, and the cover plate is used for covering the outlet.

The utility model has the advantages that:

the utility model provides a from electrified structure of trading ammeter, be provided with rotation handle and electric connection piece, the electric connection piece inlays to be established on the rotation handle, when the rotation handle rotates to the answer position, the electric connection piece with promote the part contact, its effect that realizes similar to piezoelectric mechanism among the prior art makes the input and the output short circuit of a phase circuit to reach the technical effect of not cutting off the electricity and changing the ammeter; compared with the prior art, the utility model discloses a scheme no longer need insert piezoelectric mechanism alone, and its in-process at rotatory rotation handle has just realized the short circuit, has simplified operator's operating procedure, promotes the speed of trading the ammeter.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described 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 without creative efforts.

FIG. 1 is a schematic structural view of a self-powered electricity meter-changing structure of the present invention;

FIG. 2 is a schematic structural view of the self-contained electricity meter-changing structure of the present invention shown in FIG. 1;

FIG. 3 is an exploded view of the rotating component of FIG. 1;

FIG. 4 is a schematic view of the rotary member, the pushing member and the plug member of FIG. 1;

FIG. 5 is a schematic cross-sectional view of FIG. 4;

FIG. 6 is a cross-sectional view of the insertion section of FIG. 4;

FIG. 7 is a schematic structural view of the second direction moving member shown in FIG. 5;

wherein: 1-an ammeter mounting frame, 11-a mounting base, 12-a wiring shell, 121-a wire inlet, 122-a wire outlet, 13-a cover plate, 2-a plug connector, 21-a plug part, 211-an arc piece, 211 a-a first step, 211 b-a second step, 212-an expansion cavity, 212 a-a first step cavity, 212 b-a second step cavity, 22-an embedded part, 221-an adapting hole, 3-a pushing part, 31-a first direction moving part, 32-a second direction moving part, 311-a first marble, 312-a connecting spring, 313-a second marble, 4-a rotating part, 41-a rotating handle, 411-a cam part, 412-a connecting part, 413-a holding part, 42-an electric connecting piece and 421-a contact surface.

Detailed Description

The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.

As shown in fig. 1, fig. 2, fig. 3, and fig. 4, an embodiment of the present invention provides a self-powered electricity meter changing structure, which includes: ammeter mounting bracket 1, a plurality of plug connector 2, a plurality of promotion part 3, rotary part 4, ammeter mounting bracket 1 is including the installation base 11 that is used for installing the ammeter and set up the wiring casing 12 in installation base 11 one side, and a plurality of plug connector 2 is fixed on wiring casing 12, every two adjacent plug connector 2 forms the input and the output of a looks circuit on the ammeter, rotary part 4 is including rotating handle 41 and electric connector 42, electric connector 42 inlays and locates on rotating handle 41, the both ends of electric connector 42 are in form two contact surfaces 421 on rotating handle 41, the rotatable setting of rotating handle 41 is on wiring casing 12, a plurality of the mobilizable setting of promotion part 3 is in wiring casing 12 and with plug connector 2 one-to-one, promotion part 3 one end with rotate handle 41 butt, it can rotate relative to rotate wiring casing 12 and have at least to drive the push part 3 internal stay plug connector 2 takes place deformation, with ammeter interference fit's latched position and make the promotion part 3 remove relative plug connector 2, the reply position that plug connector 2 deformation resumes; when the rotating handle 41 is in the return position, the plug connector 2 is inserted into the gap of the electric meter, and the two contact surfaces 421 are respectively contacted with the two pushing components 3, so that the input end and the output end of the one-phase circuit are in short circuit.

In the utility model, a rotating handle 41 and an electric connecting sheet 42 are arranged, the electric connecting sheet 42 is embedded on the rotating handle 41, when the rotating handle 41 rotates to a return position, the electric connecting sheet 42 contacts with the pushing component 3, which realizes the effect similar to the piezoelectric mechanism in the prior art, and makes the input end and the output end of a phase circuit in short circuit, so as to achieve the technical effect of replacing the ammeter without power interruption; compared with the prior art, the utility model discloses a scheme no longer need insert piezoelectric mechanism alone, and its in-process at rotatory rotation handle 41 has just realized the short circuit, has simplified operator's operating procedure, promotes the speed of trading the ammeter.

Specifically, the wiring housing 12 is hollow inside; the ammeter can fixed mounting be in on the installation base 11, the embedded entering into of 2 one ends of plug connector in the casing of working a telephone switchboard 12 just the other end of plug connector 2 extends along one side of installation ammeter casing of working a telephone switchboard 12, the ammeter with plug connector 2 forms the grafting assembly, in this embodiment, plug connector 2 adopts electrically conductive material to make.

Further, the wiring housing 12 is provided with a wire inlet 121 and a wire outlet 122, the wire inlet 121 is used for connecting an outdoor wire into the wiring housing 12, and the outdoor wire extends out of the wire outlet 122 on the surface of the wiring housing 12.

In some possible embodiments, the electric meter mounting bracket 1 further includes a cover plate 13, and the cover plate 13 is clamped on the upper surface of the wiring housing 12. The electricity stealing can be performed only under the condition that the cover plate 13 or other parts are damaged, and the cover plate 13 can prevent a user from wiring privately, so that unnecessary potential safety hazards are caused, and the loss is caused to a power supply department.

Specifically, the plug-in unit 2 comprises a cylindrical plug-in unit 21 and an embedded unit 22 with a rectangular parallelepiped structure; grafting portion 21 with it is fixed to inlay 22 one side, adaptation hole 221 has been seted up on the surface of inlay 22, the utility model discloses in, plug connector 2 passes through the embedded entering into of inlay 22 in the casing of working a telephone switchboard 12, just its inlay surface of plug connector 2 adaptation hole 221 with the line hole of working a telephone switchboard 12 surface cooperatees, promptly adaptation hole 221 is located under the line hole, and concentric coaxial.

Further, the inserting portion 21 is formed by surrounding a plurality of arc-shaped pieces 211, the arc-shaped pieces 211 have elasticity, and the arc-shaped pieces 211 deform after being extruded. In this embodiment, the cross section of the insertion portion 21 is cross-shaped, and is formed by surrounding four arc-shaped pieces 211, and the structure surrounded by the four arc-shaped pieces 211 is tighter to limit the pushing component 3, so that the processing is simpler, and the practicability is higher. In a specific implementation process, the cross section of the insertion part 21 can also be in a straight line shape, a Y shape, a meter shape or the like, and the shape of the insertion part 21 can be changed by changing the number of the arc-shaped pieces 211.

It should be noted that, as shown in fig. 5, when the pushing element 3 is at the recovery position, the insertion portion 21 is tapered. Specifically, each arc-shaped piece 211 is not arranged parallel to the axis, but one end, close to the electricity meter, of each arc-shaped piece 211 is far away from the axis, one end, far away from the electricity meter, of each arc-shaped piece 211 is close to the axis, and each arc-shaped piece 211 is inclined relative to the axis; when the arc-shaped pieces 211 surround, the insertion part 21 is conical and has a taper.

Referring to fig. 6, a first step 211a and a second step 211b having a thickness difference are disposed on an inner side of the arc piece 211, the thickness of the first step 211a is smaller than that of the second step 211b, the first step 211a and the second step 211b are smoothly connected, the plurality of arc pieces 211 surround to form an expansion cavity 212, the expansion cavity 212 includes a first step cavity 212a and a second step cavity 212b which are mutually communicated, the first step cavity 212a is formed by surrounding the first steps 211a, the second step cavity 212b is formed by surrounding the second steps 211b, the pushing member 3 is in sliding contact with the first step 211a or the second step 211b, and when the pushing member 3 moves from the first step cavity 212a to the second step cavity 212b, the inserting portion 21 is opened to be in interference fit with the electricity meter. When the pushing member 3 moves from the second step cavity 212b to the first step cavity 212a, the insertion part 21 is contracted and restored. The end part of the pushing component 3 is spherical or cylindrical, and the circular outline can uniformly expand each plugging part 21, so that the stress of the wiring terminal of the ammeter is more uniform, and the connection between the wiring terminal and the ammeter is more stable and reliable.

Specifically, as shown in fig. 5, the pushing member 3 includes a first direction moving member 31 and a second direction moving member 32, the first direction moving member 31 is disposed inside the wire connecting housing 12 along a first direction, one end of the first direction moving member 31 abuts against the rotating handle 41 and can move along the first direction under the driving of the rotating handle 41, the other end of the first direction moving member 31 extends into the embedded portion 22 and abuts against one end of the second direction moving member 32, the second direction moving member 32 is disposed inside the inserting portion 21 along a second direction, and the second direction moving member 32 can move relative to the inserting portion 21 along the second direction under the driving of the first direction moving member 31. When one end of the second direction moving member 32 moves towards the direction of the electric meter, one end of the second direction moving member 32 abuts against the second step cavity 212b, so that the arc-shaped piece 211 of the inserting part 21 is spread, the arc-shaped piece 211 and a mounting hole on the electric meter form interference fit, and the electric meter and the wiring shell 12 form stable fixation; when second direction moving member 32 one end moves along the direction that deviates from the ammeter, make second direction moving member 32 one end with first step chamber 212a contact, arc piece 211 deformation is replied, arc piece 211 breaks away from the contact with the mounting hole on the ammeter, make the ammeter with can break away from between the casing 12 of working a telephone switchboard.

The first direction and the second direction are not parallel to each other, and the direction of transmission of force between the first direction moving member 31 and the second direction moving member 32 can be changed. Specifically, the first direction is a vertical direction, and the second direction is a horizontal direction.

In this embodiment, the first direction moving member 31 is a T-shaped column, and one surface of the first direction moving member 31 contacting the second direction moving member 32 is a tapered surface.

The second direction moving member 32 is used for transmitting the movement of the first direction moving member 31 to open the inserting part 21. Therefore, the second direction moving member 32 only needs to satisfy the above object without limiting its specific structure. In some possible embodiments, the second direction moving member 32 is a connecting rod, and both ends of the connecting rod are hemispherical, one end of the connecting rod abuts against the first direction moving member 31, and the other end of the connecting rod extends into the collapsible cavity 212.

In this embodiment, as shown in fig. 7, the second direction moving member 32 includes a first marble 321, a connection spring 322, and a second marble 323, the first marble 321, the connection spring 322, and the second marble 323 are sequentially disposed along a direction toward the electricity meter, two ends of the connection spring 322 abut against the first marble 321 and the second marble 323, and the first marble 321 abuts against the first direction moving member 31. When the first direction moving member 31 moves along the first direction, the first marble 321 is pressed towards the inside of the inserting part 21, the connecting spring 322 is compressed, and drives the second marble 323 to move towards the electric meter, and the second marble 323 struts the arc-shaped sheet 211 to form an interference fit with a mounting hole on the electric meter, so that the electric meter and the connection housing 12 are stably fixed.

It should be noted that: under the action of the connecting spring 322, the first direction moving member 31 is always in contact with the rotating handle 41, and the two are always kept in close contact.

Specifically, the rotating handle 41 includes a cam portion 411, a connecting portion 412, and a holding portion 413, one end of the connecting portion 412 is connected to the cam portion 411, the other end is connected to the holding portion 413, the cam portion 411 is eccentrically hinged to the wire connection housing 12, and an outer surface of the cam portion 411 abuts against the first direction moving member 31. Since the cam portion 411 is eccentrically hinged to the connection housing 12, when the cam portion 411 rotates relative to the connection housing 12, the cam portion will eccentrically rotate to push the first direction moving member 31 to move along the first direction.

Specifically, since the cam portion 411 is eccentrically hinged to the wire connection housing 12, the cam portion 411 has one end closer to the hinge and one end farther from the hinge; when the cam part 411 is rotated to make one end of the cam part 411 close to the hinge contact with the first direction moving member 31, the rotating handle 41 is at the return position; when the cam portion 411 is rotated to make the end of the cam portion 411 far from the hinge contact with the first direction moving member 31, the rotating handle 41 is at the locking position.

Specifically, the main body of the electrical connection sheet 42 is embedded in the cam portion 411, a part of the electrical connection sheet 42 is exposed relative to the cam portion 411, and the contact surface 421 is formed on the surface of the cam portion 411. When the rotating handle 41 is in the return position, the two contact surfaces 421 respectively contact the two pushing members 3, so as to short-circuit the input end and the output end of the one-phase circuit.

In addition, a display lamp is arranged on the rotating handle 41, two ends of the display lamp are electrically connected with two ends of the electric connecting sheet 42, when the two contact surfaces 421 are respectively contacted with the two pushing components 3, the display lamp is electrified to emit light, and an operator can confirm whether the house-entering line is switched to the electric connecting sheet 42 according to whether the display lamp emits light.

When the electric meter is replaced, the rotating handle 41 is rotated firstly, so that the rotating handle 41 is positioned at the return position; at this time, one end of the cam portion 411 close to the hinge is in contact with the first-direction moving member 31, the first-direction moving member 31 is pressed by the second-direction moving member 32 to rise, the second marble 323 moves in the direction away from the electric meter, the deformation of the arc piece 211 is restored, the arc piece 211 is separated from the contact with the mounting hole on the electric meter, so that the electric meter can be separated from the wiring shell 12, meanwhile, the contact surface 421 is respectively in contact with the two pushing members 3, so that the input end and the output end of a one-phase circuit are short-circuited, and the service line is ensured to be always conducted; then, the operator removes the electric meter and replaces it with a new one, and finally, the operator rotates the rotating handle 41 to place the rotating handle 41 in the locking position; at this time, the end of the cam portion 411 far from the hinge is in contact with the first direction moving member 31, the first direction moving member 31 moves under the pressing of the cam portion 411, and presses the second ball 323 to move in the direction of the electric meter, so that the arc piece 211 deforms, the arc piece 211 is spread, and the arc piece 211 and the installation hole on the electric meter form an interference fit, so that the electric meter and the wiring housing 12 form a stable fixation. Thus, the whole battery replacement process is completed.

The utility model has the advantages that:

the electric meter is provided with a rotating handle 41 and an electric connecting sheet 42, the electric connecting sheet 42 is embedded on the rotating handle 41, when the rotating handle 41 rotates to a return position, the electric connecting sheet 42 is contacted with the pushing component 3, the effect similar to that of a piezoelectric mechanism in the prior art is achieved, the input end and the output end of a one-phase circuit are in short circuit, and the technical effect of replacing the electric meter without power interruption is achieved; compared with the prior art, the utility model discloses a scheme no longer need insert piezoelectric mechanism alone, and it has just realized the short circuit at rotatory in-process that rotates handle 41, has simplified operator's operating procedure, promotes the speed of trading the ammeter.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims

1. A self-powered electricity meter change structure, comprising:

a plurality of plug connectors arranged on the wiring shell,

the pushing components are movably arranged in the wiring shell and correspond to the plug connectors one to one, one end of each pushing component is abutted against the rotating handle, the rotating handle can rotate relative to the wiring shell and at least comprises a locking position for driving the plug connectors supported in the pushing components to deform and to be in interference fit with an ammeter and a restoring position for enabling the pushing components to move relative to the plug connectors and restoring the deformation of the plug connectors; when the rotating handle is located at the return position, the plug connector and the ammeter are inserted into a gap, and the two contact surfaces are respectively contacted with the two pushing components, so that the input end and the output end of the one-phase circuit are in short circuit.

2. The self-powered electricity exchanging watch structure of claim 1, wherein said rotating handle includes a cam portion, a connecting portion and a holding portion, said connecting portion is connected to said cam portion at one end and to said holding portion at the other end, said cam portion is eccentrically hinged to said wire housing and an outer surface of said cam portion abuts against said pushing member.

3. The self-powered electricity-exchanging timepiece structure of claim 2 wherein said cam portion has one end nearer to the hinge and one end farther from the hinge; when one end of the cam part close to the hinge joint is contacted with the pushing part, the rotating handle is in the return position; when the end of the cam part far away from the hinge is contacted with the pushing component, the rotating handle is in the locking position.

4. The self-powered electricity exchanging watch structure of claim 2, wherein the electric connection sheet main body is embedded inside the cam portion, the electric connection sheet portion is exposed relative to the cam portion, the contact surfaces are formed on the surface of the cam portion, and when the rotating handle is in the return position, the two contact surfaces are respectively contacted with the two pushing members to short-circuit an input end and an output end of a phase circuit.

5. The self-powered meter changing structure of claim 2, wherein the plug connector comprises a plug-in part and an embedded part, the plug-in part is fixed to one side of the embedded part, the plug connector is embedded into the wiring shell through the embedded part, the plug-in part is formed by a plurality of arc-shaped pieces in a surrounding mode, the arc-shaped pieces are elastic, and the arc-shaped pieces deform after being extruded.

6. The self-powered electricity meter changing structure of claim 5, wherein the plug portion is tapered when the pushing member is in the return position.

7. The self-powered electricity exchanging watch structure as claimed in claim 5, wherein the inner sides of the arc-shaped pieces are provided with a first step and a second step having a thickness difference, the thickness of the first step is smaller than that of the second step, the first step and the second step are connected smoothly, the arc-shaped pieces surround to form an expansion cavity, the expansion cavity comprises a first step cavity and a second step cavity which are communicated with each other, the first step cavity is formed by surrounding the first steps, the second step cavity is formed by surrounding the second steps, and the pushing member is in sliding contact with the first step or the second step.

8. The meter changing structure according to claim 7, wherein the pushing member includes a first direction moving member provided inside the connection housing in a first direction, and a second direction moving member provided inside the expansion chamber in a second direction, the first direction moving member being capable of moving in the first direction by being driven by the rotation handle, one end of the first direction moving member abutting against the rotation handle, the other end of the first direction moving member extending into the embedded portion and abutting against one end of the second direction moving member, the second direction moving member being provided inside the expansion chamber in the second direction, the second direction moving member being capable of moving relative to the expansion chamber in the second direction by being driven by the first direction moving member.

9. The self-powered electricity-exchanging watch structure as claimed in claim 1, wherein a display lamp is provided on the rotation handle, and both ends of the display lamp are electrically connected to both ends of the electrical connection sheet.

10. The self-powered meter replacing structure according to claim 9, wherein one side of the wiring housing is provided with a wire inlet for accessing an outdoor wire, the upper surface of the wiring housing is provided with a wire outlet for accessing the outdoor wire, the electricity meter mounting bracket further comprises a cover plate, the cover plate is clamped on the upper surface of the wiring housing, and the cover plate is used for preventing electricity stealing.