Switch built-in electric energy meter convenient to disassemble and assemble and disassembling and assembling method thereof

Abstract

The invention discloses a switch built-in electric energy meter convenient to disassemble and assemble and a disassembling and assembling method thereof, belongs to the technical field of electric energy meters, and aims to solve the problem that an existing electric energy meter is not convenient enough to assemble. Through the design of the operation assembly and the positioning plug, after the inserting cylinder is inserted into the sleeve, the positioning plug is inserted into the positioning hole in the sleeve, installation can be completed, and when the upper shell and the lower shell are disassembled, only the positioning plug needs to be driven to be pulled out of the positioning hole, and the inserting cylinder is pulled out of the sleeve; according to the utility model, the movable switching-off mechanism is arranged at the wiring terminal strip, the plugging cylinder is plugged in and pulled out of the sleeve to provide extrusion driving for the movable switching-off mechanism, and after the upper shell and the lower shell are disassembled, the wiring at the wiring terminal strip is automatically disconnected, and the upper shell and the lower shell are reassembled, so that the wiring at the wiring terminal strip is automatically connected; and after the upper shell and the lower shell are opened, in the process of replacing internal elements, manual disconnection or connection operation of the wiring terminal strip is not needed, and convenience is provided for element replacement.

Description

Technical Field

[0001] The invention belongs to the technical field of electric energy meters, and in particular relates to an electric energy meter with a built-in switch which is easy to disassemble and assemble, and a disassembly and assembly method thereof. Background Art

[0002] An electric energy meter is an instrument used to measure electric energy, also known as an watt-hour meter. A switch-built-in electric energy meter is a type of electric energy meter that combines electric energy measurement with switch control functions.

[0003] Early electric energy meters include a bottom shell, a circuit board, a terminal box, and a cover. Since the terminal box is fixedly mounted on the bottom shell, if the terminal box is damaged, the entire electric energy meter must be replaced, which increases the cost of use. In addition, when assembling the electric energy meter, multiple wires and both ends of the signal line need to be manually welded to the terminal box and the circuit board, which is not only time-consuming and labor-intensive, but also inefficient, and it is easy to make mistakes in the connection of the wires and signal lines during the assembly process.

[0004] In response to the above problems, the invention patent with application number 201610158094.4 discloses an electric energy meter, which also includes a bottom shell, a circuit board, a terminal box and a cover shell, but the circuit board is installed between the cover shell and the bottom shell; the terminal box is detachably connected to the inner lower end of the bottom shell; the electric energy meter also includes a connecting device for connecting the terminal box and the circuit board, and the connecting device is electrically connected to the circuit board and the terminal box. This design makes the electric energy meter low in cost, high in assembly efficiency, and can ensure that the wires and signal lines are correctly connected during the assembly process.

[0005] In the above two technologies, the upper shell and the lower shell of the electric energy meter are fixed with screws. When assembling and installing the upper shell and the lower shell, multiple screws need to be tightened, which causes inconvenient installation and assembly, and is not easy to open and replace internal components. Summary of the invention

[0006] The purpose of the present invention is to provide a switch-mounted electric energy meter and a disassembly and assembly method thereof, so as to solve the problem that the existing electric energy meter is not convenient to assemble. The technical solution adopted by the present invention is as follows:

[0007] A switch-mounted electric energy meter that is easy to disassemble and assemble, comprising a lower shell, an upper shell, an assembly mechanism, a terminal block and a movable disconnecting mechanism;

[0008] The upper shell is a rectangular shell with an opening at the bottom, and plug-in barrels are respectively arranged at the four corners of the upper shell, and the rear side walls of the two front plug-in barrels and the front side walls of the two rear plug-in barrels are provided with first guide holes. The lower shell is a rectangular shell with an opening at the top, and sleeves are arranged at the four corners of the lower shell, and the rear side walls of the two front sleeves and the front side walls of the two rear sleeves are provided with positioning holes. The four plug-in barrels correspond to the four sleeves one by one and can be detachably plugged in.

[0009] The assembly mechanism includes a positioning plug and an operating component capable of driving the positioning plug to move axially, the four positioning plugs are respectively plugged and slidably matched with the four first guide holes in a one-to-one correspondence, the two operating components are respectively connected to the front and rear outer side walls of the upper shell in a corresponding manner, and the four positioning plugs are controlled by the operating components to be pulled out or inserted into the four positioning holes in a one-to-one correspondence;

[0010] A terminal block is provided on the left side of the lower housing, and a plurality of wiring holes are provided on the terminal block. Conductive sheets are provided in the wiring holes. The left ends of the plurality of conductive posts extend into the plurality of wiring holes one by one and are connected to the plurality of conductive posts one by one. The right ends of the plurality of conductive posts extend into the lower housing respectively.

[0011] The movable disconnecting mechanism includes an insulating frame plate, which is slidably arranged in the lower shell body, and a plurality of conductive heads are arranged on the insulating frame plate. The two sliding force input ends of the movable disconnecting mechanism extend into two sleeves located on the left part respectively, and cooperate with the corresponding plug-in sleeves respectively. The plug-in and pull-out action of the plug-in sleeve in the sleeve makes the insulating frame plate approach or move away from the terminal row, and the plurality of conductive heads and the plurality of conductive posts are connected or disconnected one by one.

[0012] Furthermore, the operating component includes a grip plate fixedly mounted on the side wall of the upper shell body, a groove cavity is formed on the lower end surface of the grip plate, and a second guide hole is formed on the side wall of the upper shell body that is connected to the groove cavity, the movable rod is plugged and slidably matched with the second guide hole, one end of the movable rod extends into the groove cavity and is connected to the push-pull seat, a first tension spring is sleeved on the movable rod, and the push-pull seat is elastically connected to the groove wall of the groove cavity close to the upper shell body through the first tension spring, the other end of the movable rod extends into the upper shell body and is connected to the middle part of the U-shaped frame rod, the two ends of the rear U-shaped frame rod respectively pass through the top ends of the two rear plug-in tubes and are respectively connected to the two positioning plugs at the rear, the two ends of the front U-shaped frame rod respectively pass through the top ends of the two front plug-in tubes and are respectively connected to the two positioning plugs at the front, and a plurality of anti-slip grooves are provided on the upper end surface of the grip plate.

[0013] Furthermore, the insulating frame slides between the two sleeves on the left and the plurality of conductive columns, and the conductive head is fixedly embedded and installed on the insulating frame, and a plurality of sockets are provided on the end surface of the insulating frame close to the plurality of conductive columns, and the plurality of sockets are connected one-to-one with the plurality of conductive heads, one end of the two connecting bent rods is respectively connected to the insulating frame, and the other end of the connecting bent rod is provided with an inclined surface block, which is the sliding force input end of the movable breaking and closing mechanism, and a third guide hole is provided on the left side wall of the two sleeves on the left, and the two inclined surface blocks are respectively slidably matched with the two third guide holes in a one-to-one correspondence, and the end surface of the insulating frame away from the plurality of conductive columns is connected to a fixed baffle arranged on the bottom wall of the lower shell body through a second tension spring, and when the plug-in cylinder is inserted into the sleeve, the two inclined surface blocks respectively abut against the outer periphery left side of the two corresponding plug-in cylinders, and the plurality of conductive columns are plugged and matched with the plurality of sockets in a one-to-one correspondence, and when the plug-in cylinder is pulled out of the sleeve, under the pulling force of the second tension spring, the right end of the inclined surface block slides into the corresponding sleeve, the insulating frame slides to the right, and the plurality of sockets are disconnected from the plurality of conductive heads.

[0014] Furthermore, the bottom end of the plug-in cylinder is provided with an inclined cone surface adapted to the inclined surface block. When the plug-in cylinder is inserted into the sleeve, the inclined cone surface squeezes the inclined surface block into the third guide hole.

[0015] Furthermore, a positioning slide rail is provided on the bottom wall of the lower shell, and the positioning slide rail is arranged on the left and right. A slide groove is opened at the bottom of the insulating frame plate, and the slide groove is slidably connected with the positioning slide rail.

[0016] Furthermore, a stop column is provided at the lower end of the sleeve, and the lower end of the stop column is fixedly mounted on the bottom wall of the lower shell body, and a gap is provided between the stop column and the sleeve. The buffer spring is sleeved on the stop column, and the two ends of the buffer spring are respectively abutted against the bottom wall of the lower shell body and the lower end surface of the corresponding plug-in tube. When the corresponding plug-in tube and the stop column are abutted against each other up and down, the first guide hole and the corresponding positioning hole are aligned.

[0017] Furthermore, a sealing ring is fixedly mounted on the bottom edge of the upper shell, and an annular embedding groove for embedding the sealing ring is provided on the top edge of the lower shell, and the annular embedding groove is connected to an oil injection mechanism.

[0018] Furthermore, the oil filling mechanism includes a driving part, an oil storage tank and an annular tube, the annular tube is located below the annular groove, a plurality of oil outlet tubes are arranged at equal intervals on the annular tube, the plurality of oil outlet tubes respectively pass through the lower side wall of the annular groove, the top ends of the plurality of oil outlet tubes are respectively flush with the bottom of the annular groove, the annular tube is connected to the oil storage tank through the driving part, a pressure rod is provided on the driving part, the blocking column is a hollow structure, the driving part is installed in any blocking column, the pressure rod passes through the blocking column and is arranged upward, when the corresponding plug-in sleeve is inserted into the sleeve, the pressure rod is pressed down to press the engine oil in the oil storage tank into the annular groove through the plurality of oil outlet tubes.

[0019] Furthermore, the driving unit includes an oil filling cylinder fixedly installed in the baffle column and a piston disk arranged in the oil filling cylinder, the inner circumference of the oil filling cylinder is slidably sealed with the outer circumference of the piston disk, the lower end of the pressure rod passes through the upper wall of the oil filling cylinder and is connected to the piston disk, the piston disk divides the oil filling cylinder into an upper chamber and a closed lower chamber, the lower chamber is provided with a compression spring, the two ends of the compression spring are respectively abutted against the lower wall of the oil filling cylinder and the piston disk, the oil storage tank is fixedly installed to the bottom of the lower shell body, a refueling port is provided on one side of the oil storage tank, a first one-way valve and a second one-way valve are provided at the bottom of the lower chamber, the oil storage tank is connected to the second one-way valve through an oil extraction pipe, the first one-way valve is connected to the annular pipe through the oil filling pipe, the medium flow direction of the first one-way valve is from the lower chamber to the oil filling pipe, and the medium flow direction of the second one-way valve is from the oil extraction pipe to the lower chamber.

[0020] The present invention also provides a method for disassembling and assembling a switch-mounted electric energy meter that is easy to disassemble and assemble, which is implemented based on the above-mentioned switch-mounted electric energy meter that is easy to disassemble and assemble, and includes the following steps:

[0021] Step 1: Disassemble the shell:

[0022] First, the four positioning plugs are pulled out from the positioning holes on the four sleeves respectively through the operating assembly of the assembly mechanism, and then the operating assembly is pulled up to move the upper shell upward, and the plug-in cylinder is pulled out from the corresponding sleeve, and the upper shell and the lower shell are disassembled;

[0023] Step 2: Wiring automatically disconnects:

[0024] The sliding force input end of the movable disconnecting mechanism loses the abutment of the plug-in barrel, the insulating frame plate slides away from the terminal block, and a plurality of conductive heads and a plurality of conductive posts are connected or disconnected one by one; at this time, the components in the upper shell and the lower shell can be replaced and maintained;

[0025] Step 3: Assemble and splice:

[0026] After component replacement and maintenance, first hold the grip plates of the two assembly mechanisms, and drive the four positioning plugs to retract into the corresponding plug-in cylinders through the operating components, and then insert the four plug-in cylinders into the corresponding sleeves until the four plug-in cylinders are respectively against the corresponding stop columns. At this time, the positioning plugs are aligned with the corresponding positioning holes, and the four positioning plugs are respectively inserted into the corresponding positioning holes through the operating components to complete the assembly of the upper shell and the lower shell. At the same time, the two plug-in cylinders on the left squeeze the two sliding force input ends of the active breaking mechanism into the corresponding third guide holes respectively, and at the same time, the insulating frame plate slides toward the terminal row, and a number of conductive heads are connected to a number of conductive columns one by one. After assembly, the wiring at the terminal row is automatically connected, the plug-in cylinder presses the pressure rod, and the piston movement of the piston disk draws the oil in the oil storage tank into the lower chamber, and presses the oil in the lower chamber into the annular groove.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] 1. Through the design of the operating assembly and the positioning plug, during the installation of the upper shell and the lower shell, after the plug-in barrel is inserted into the sleeve, the positioning plug is driven by the operating assembly to be inserted into the positioning hole on the sleeve to complete the installation. To disassemble the upper shell and the lower shell, it is only necessary to drive the positioning plug out of the positioning hole and the plug-in barrel out of the sleeve to complete the disassembly. In summary, the disassembly and assembly of the upper shell and the lower shell of the electric energy meter are simple and convenient;

[0029] 2. An active disconnecting and closing mechanism is provided at the terminal block, and the plug-in sleeve is inserted and pulled out in the sleeve to provide extrusion drive for the active disconnecting and closing mechanism. After the upper shell and the lower shell are disassembled, the wiring at the terminal block is automatically disconnected, and no manual disconnection operation is required before the internal components are replaced. After the replacement, the upper shell and the lower shell are reassembled, so that the wiring at the terminal block is automatically connected. In summary, after the upper shell and the lower shell are opened, during the process of replacing the internal components, there is no need to manually disconnect or connect the terminal block, which provides convenience for component replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic diagram of the overall structure of a switch with a built-in electric energy meter that is easy to disassemble and assemble according to the present invention;

[0031] Figure 2 It is a structural diagram of the terminal block and the movable disconnecting mechanism;

[0032] Figure 3 It is a structural schematic diagram of the assembly mechanism, the sleeve and the plug-in sleeve;

[0033] Figure 4 for Figure 3 The enlarged structural diagram of the middle A part;

[0034] Figure 5 It is a schematic diagram of the connection structure between the movable breaking and closing mechanism and the sleeve;

[0035] Figure 6 is a structural schematic diagram of the assembly mechanism;

[0036] Figure 7 It is a structural schematic diagram of the installation of the oil filling mechanism and the lower housing;

[0037] Figure 8 It is a structural schematic diagram of the oil injection mechanism;

[0038] Fig. 9 It is a schematic diagram of the structure inside the oil filling cylinder;

[0039] Fig.10 A schematic diagram of the internal structure of the fuel tank.

[0040] In the figure, 1, lower housing; 101, sleeve; 1011, third guide hole; 102, annular groove;

[0041] 2. Upper shell; 201. Connecting tube; 2011. Oblique cone surface;

[0042] 3. Assembly mechanism; 301. Grip plate; 3011. Groove cavity; 302. Anti-slip pattern; 303. Movable rod; 304. U-shaped rod; 305. Positioning plug; 306. Push-pull seat; 307. First tension spring;

[0043] 4. Terminal block; 401. Wiring hole; 402. Conductive sheet; 403. Conductive column;

[0044] 5. Movable breaking and closing mechanism; 501. Fixed baffle; 502. Positioning slide rail; 503. Second tension spring; 504. Insulating frame; 5041. Slide groove; 505. Conductive head; 506. Connecting bent rod; 507. Insert sleeve; 508. Inclined block;

[0045] 6. Sealing ring;

[0046] 7. Blocking column;

[0047] 8. Buffer spring;

[0048] 9. Oil filling mechanism; 901. Pressure rod; 902. Annular tube; 9021. Oil outlet; 903. Oil filling pipe; 904. Oil extraction pipe; 905. Oil storage tank; 9051. Oil filling port; 906. First one-way valve; 907. Second one-way valve; 908. Oil filling cylinder; 909. Piston disc; 910. Compression spring. DETAILED DESCRIPTION

[0049] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention is described below by the specific embodiments shown in the accompanying drawings. However, it should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present invention. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present invention.

[0050] The connection mentioned in the present invention is divided into fixed connection and detachable connection. The fixed connection is a non-detachable connection including but not limited to conventional fixed connection methods such as folding connection, rivet connection, bonding connection and welding connection. The detachable connection includes but not limited to conventional detachable methods such as bolt connection, snap connection, pin connection and hinge connection. When the specific connection method is not clearly defined, it is assumed that at least one connection method can be found in the existing connection methods to achieve the function, and those skilled in the art can choose according to their needs. For example: welding connection is selected for fixed connection, and bolt connection is selected for detachable connection.

[0051] The present invention will be further described in detail below in conjunction with the accompanying drawings. The following embodiments are provided to explain the present invention, but the present invention is not limited to the following embodiments.

[0052] Embodiment 1: Figures 1 to 10 As shown, a switch built-in electric energy meter which is easy to disassemble and assemble comprises a lower housing 1, an upper housing 2, an assembly mechanism 3, a terminal block 4 and a movable breaking mechanism 5;

[0053] The upper shell 2 is a rectangular shell with an opening at the bottom, and plug-in barrels 201 are respectively arranged at the four corners of the upper shell 2. The rear side walls of the two front plug-in barrels 201 and the front side walls of the two rear plug-in barrels 201 are both provided with first guide holes. The lower shell 1 is a rectangular shell with an opening at the top, and sleeves 101 are respectively arranged at the four corners of the lower shell 1. The rear side walls of the two front sleeves 101 and the front side walls of the two rear sleeves 101 are both provided with positioning holes. The four plug-in barrels 201 correspond to the four sleeves 101 one by one and can be detachably plugged in.

[0054] The assembly mechanism 3 includes a positioning plug 305 and an operating component capable of driving the positioning plug 305 to move axially. The four positioning plugs 305 are respectively plugged and slidably matched with the four first guide holes in a one-to-one correspondence. The two operating components are respectively connected to the front and rear outer side walls of the upper shell 2 in a corresponding manner. The operating components are used to control the four positioning plugs 305 to be pulled out or inserted into the four positioning holes in a one-to-one correspondence.

[0055] A terminal block 4 is provided on the left side of the lower housing 1, and a plurality of wiring holes 401 are provided on the terminal block 4. A conductive sheet 402 is provided in the wiring hole 401. The left ends of a plurality of conductive posts 403 extend into the plurality of wiring holes 401 one by one and are connected to the plurality of conductive posts 403 one by one. The right ends of the plurality of conductive posts 403 extend into the lower housing 1 respectively.

[0056] The movable disconnecting mechanism 5 includes an insulating frame plate 504, which is slidably arranged in the lower shell body 1. A plurality of conductive heads 505 are arranged on the insulating frame plate 504. The two sliding force input ends of the movable disconnecting mechanism 5 extend into the two sleeves 101 located on the left respectively, and cooperate with the corresponding plug-in cylinders 201 respectively. The plug-in and pull-out action of the plug-in cylinder 201 in the sleeve 101 makes the insulating frame plate 504 approach or move away from the terminal row 4, and the plurality of conductive heads 505 and the plurality of conductive pillars 403 are connected or disconnected one by one.

[0057] In the specific implementation, through the design of the operating component and the positioning plug 305, during the installation process between the upper shell 2 and the lower shell 1, after the plug-in barrel 201 is inserted into the sleeve 101, the positioning plug 305 is driven by the operating component to be inserted into the positioning hole on the sleeve 101 to complete the installation. The overall installation operation is convenient and easy to install. For the disassembly between the upper shell 2 and the lower shell 1, it is only necessary to drive the positioning plug 305 to be pulled out from the positioning hole and the plug-in barrel 201 to be pulled out from the sleeve 101 to complete the disassembly. In summary, the disassembly and assembly operation of the entire electric energy meter is simple and convenient; further, in the terminal block Active disconnecting and closing mechanisms 5 are provided at 4, and the plug-in cylinder 201 is inserted and pulled out in the sleeve 101 to provide extrusion drive for the active disconnecting and closing mechanism 5. After disassembly between the upper shell 2 and the lower shell 1, the wiring at the terminal block 4 can be automatically disconnected, and there is no need for manual disconnection operation before internal components are replaced. After replacement, the upper shell 2 and the lower shell 1 are reassembled to automatically connect the wiring at the terminal block 4. In summary, after the upper shell 2 and the lower shell 1 are opened, during the process of replacing internal components, there is no need for manual disconnection or connection operation of the terminal block 4, which provides convenience for component replacement.

[0058] The operating assembly includes a grip plate 301 fixedly mounted on the side wall of the upper shell 2, a groove cavity 3011 is provided on the lower end surface of the grip plate 301, a second guide hole connected to the groove cavity 3011 is provided on the side wall of the upper shell 2, the movable rod 303 is inserted and slidably matched with the second guide hole, one end of the movable rod 303 extends into the groove cavity 3011 and is connected to the push-pull seat 306, a first tension spring 307 is sleeved on the movable rod 303, and the push-pull seat 306 is connected to the groove cavity 3011 close to the upper shell 2 through the first tension spring 307. One side groove wall is elastically connected, and the other end of the movable rod 303 extends into the upper shell body 2 and is connected to the middle part of the U-shaped frame rod 304. The two ends of the rear U-shaped frame rod 304 respectively pass through the top ends of the two rear plug-in cylinders 201 and are respectively connected to the two positioning plugs 305 at the rear. The two ends of the front U-shaped frame rod 304 respectively pass through the top ends of the two front plug-in cylinders 201 and are respectively connected to the two positioning plugs 305 at the front. A plurality of anti-slip grooves 302 are arranged on the upper end surface of the grip plate 301.

[0059] The operating component is used to drive the positioning plug 305. After the plug-in tube 201 is inserted into the sleeve 101, the positioning plug 305 is inserted into the positioning hole to position the two, thereby locking the installation of the upper shell 2 and the lower shell 1. The positioning plug 305 is then pulled out of the positioning hole to release the lock.

[0060] The specific operation of the operating component is as follows, wherein the gripping plate 301 provides a gripping position for the staff's hands, and the anti-slip grooves 302 arranged thereon are used to increase the friction when gripping, thereby playing an anti-slip role; wherein the push-pull seat 306 is pulled by fingers, and the push-pull seat 306 drives the movable rod 303 to move, and the movable rod 303 drives the positioning plug 305 to move through the U-shaped frame rod 304, so that the positioning plug 305 is pulled out of the positioning hole, and the push-pull seat 306 is pulled in the above-mentioned process, and the first stretching spring 307 is stretched during the movement of the movable rod 303 to produce a reset deformation, and when the push-pull seat 306 is released, the elastic force of the first stretching spring 307 can drive the movable rod 303, the U-shaped frame rod 304, the push-pull seat 306 and the positioning plug 305 to move together, so that the positioning plug 305 is inserted into the positioning hole.

[0061] The insulating frame 504 slides between the two left sleeves 101 and the plurality of conductive posts 403, and the conductive head 505 is fixedly fitted and installed on the insulating frame 504. A plurality of sockets 507 are provided on the end surface of the insulating frame 504 close to the plurality of conductive posts 403, and the plurality of sockets 507 are connected to the plurality of conductive heads 505 in a one-to-one correspondence. One end of the two connecting bent rods 506 is respectively connected to the insulating frame 504, and the other end of the connecting bent rod 506 is provided with a ramp block 508, which is the sliding force input end of the active breaking and closing mechanism 5. A third guide hole is opened on the left side wall of the two left sleeves 101, and the two ramp blocks 508 slide in a one-to-one correspondence with the two third guide holes 1011. In cooperation, the end face of the insulating frame 504 away from the plurality of conductive pillars 403 is connected to the fixed baffle 501 arranged on the bottom wall of the lower shell 1 through the second tension spring 503. When the plug-in cylinder 201 is inserted into the sleeve 101, under the pulling force of the second tension spring 503, the two inclined blocks 508 respectively abut against the left side of the outer periphery of the two corresponding plug-in cylinders 201, and the plurality of conductive pillars 403 are plugged and matched with the plurality of sockets 507 in a one-to-one manner. When the plug-in cylinder 201 is pulled out of the sleeve 101, under the pulling force of the second tension spring 503, the right end of the inclined block 508 slides into the corresponding sleeve 101, the insulating frame 504 slides to the right, and the plurality of sockets 507 are disconnected from the plurality of conductive heads 505.

[0062] The bottom end of the plug-in cylinder 201 is provided with an inclined conical surface 2011 adapted to the inclined surface block 508 . When the plug-in cylinder 201 is inserted into the sleeve 101 , the inclined conical surface 2011 squeezes the inclined surface block 508 into the third guide hole 1011 .

[0063] The conductive head 505 is connected to the circuit board in the lower shell 1 through a wire; when the upper shell 2 and the lower shell 1 are in an installed state, the conductive column 403 and the conductive head 505 are in abutment state, can conduct electricity, and are in a connected state. After the upper shell 2 and the lower shell 1 are disassembled, the conductive column 403 and the conductive head 505 are separated and are in a disconnected state.

[0064] The movable disconnecting mechanism 5 is used to control the connection or disconnection between the terminal block 4 and the circuit board in the lower housing 1 , and the driving force for the connection or disconnection is provided by the installation and disassembly between the upper housing 2 and the lower housing 1 .

[0065] The specific operation is as follows: Figure 5 As shown, at this time, the inclined surface block 508 is squeezed by the plug-in cylinder 201, so that the conductive head 505 abuts against the end of the conductive column 403, and the plug-in cylinder 201 is pulled out of the sleeve 101, so that the inclined surface block 508 loses its obstruction, and the insulating frame plate 504 is subjected to the elastic force of the elastic connection structure, so that the insulating frame plate 504 drives the conductive head 505 to separate from the conductive column 403, and the connection is disconnected. The insulating frame plate 504 pushes the inclined surface block 508 from the slot body 1011 into the sleeve 101 through the connecting bent rod 506; the plug-in cylinder 201 is reinserted into the sleeve 101. During the insertion process, the inclined surface of the inclined surface block 508 is squeezed by the inclined cone surface 2011, so that the inclined surface block 508 is pushed into the slot body 1011, and the insulating frame plate 504 is driven to move by the connecting bent rod 506, so that the conductive head 505 is pressed tightly onto the conductive column 403, and the automatic connection is completed.

[0066] The conductive pillar 403 and the conductive head 505 are preferably made of copper.

[0067] A positioning rail 502 is disposed on the bottom wall of the lower housing 1 , and the positioning rail 502 is disposed left and right. A slide groove 5041 is provided at the bottom of the insulating frame plate 504 , and the slide groove 5041 is slidably connected to the positioning rail 502 .

[0068] Through the design of the second tension spring 503, the elastic installation of the insulating frame 504 is achieved. When the plug-in cylinder 201 is pulled out of the sleeve 101, the insulating frame 504 is provided with a reset elastic force, so that the insulating frame 504 drives the conductive head 505 to separate from the conductive rod. When the plug-in cylinder 201 is inserted into the sleeve 101, the insulating frame 504 is driven to move, which can cause the second tension spring 503 to deform.

[0069] A stop column 7 is provided at the lower end of the sleeve 101, and the lower end of the stop column 7 is fixedly mounted on the bottom wall of the lower shell 1. A gap is provided between the stop column 7 and the sleeve 101. The buffer spring 8 is sleeved on the stop column 7. The two ends of the buffer spring 8 are respectively against the bottom wall of the lower shell 1 and the lower end surface of the corresponding plug-in tube 201. When the corresponding plug-in tube 201 and the stop column 7 are against each other up and down, the first guide hole and the corresponding positioning hole are aligned.

[0070] After the plug-in cylinder 201 is inserted into the sleeve 101, the buffer spring 8 is compressed. After being locked by the assembly mechanism 3, the buffer spring 8 provides elastic pressure for the upper shell 2 and the lower shell 1, playing a role of clamping. The stopper 7 is used to stop the plug-in cylinder 201 in place after it is inserted into the sleeve 101. The plug-in cylinder 201 contacts the stopper 7, and the positioning plug 305 is aligned with the positioning hole.

[0071] A sealing ring 6 is fixedly mounted on the bottom edge of the upper shell 2 , and an annular embedding groove 102 for embedding the sealing ring 6 is provided on the top edge of the lower shell 1 , and the annular embedding groove 102 is connected to an oil injection mechanism 9 .

[0072] The oil filling mechanism 9 includes a driving part, an oil storage tank 905 and an annular tube 902. The annular tube 902 is located below the annular groove 102. A number of oil outlet tubes 9021 are arranged at equal intervals on the annular tube 902. The number of oil outlet tubes 9021 respectively pass through the lower side wall of the annular groove 102. The top ends of the number of oil outlet tubes 9021 are respectively flush with the bottom of the annular groove 102. The annular tube 902 is connected to the oil storage tank 905 through the driving part. A pressure rod 901 is provided on the driving part. The blocking column 7 is a hollow structure. The driving part is installed in any blocking column 7. The pressure rod 901 passes through the blocking column 7 and is arranged upward. When the corresponding plug-in cylinder 201 is inserted into the sleeve 101, the pressure rod 901 is pressed down to press the engine oil in the oil storage tank 905 into the annular groove 102 through the number of oil outlet tubes 9021.

[0073] The driving part includes an oil filling cylinder 908 fixedly installed in the retaining column 7 and a piston disk 909 arranged in the oil filling cylinder 908. The inner periphery of the oil filling cylinder 908 and the outer periphery of the piston disk 909 are slidably sealed. The lower end of the pressure rod 901 passes through the upper wall of the oil filling cylinder 908 and is connected to the piston disk 909. The piston disk 909 divides the oil filling cylinder 908 into an upper chamber and a closed lower chamber. A compression spring 910 is arranged in the lower chamber. The two ends of the compression spring 910 are respectively against the lower wall of the oil filling cylinder 908 and the piston disk 909. The oil storage tank 90 5 is fixedly installed to the bottom of the lower housing 1, a refueling port 9051 is provided on one side of the oil storage tank 905, a first one-way valve 906 and a second one-way valve 907 are provided at the bottom of the lower chamber, the oil storage tank 905 is connected with the second one-way valve 907 through the oil extraction pipe 904, the first one-way valve 906 is connected with the annular pipe 902 through the oil injection pipe 903, the medium flow direction of the first one-way valve 906 is from the lower chamber to the oil injection pipe 903, and the medium flow direction of the second one-way valve 907 is from the oil extraction pipe 904 to the lower chamber.

[0074] The oil filling mechanism 9 is used for filling oil into the sealing ring 6 at the connection position between the upper shell 2 and the lower shell 1. By filling oil into the sealing ring 6, an oil film is formed, which can isolate air and water and protect the sealing ring 6. The oil can also fill the gap between the sealing ring 6 and the annular groove 102 after being compressed, thereby playing a role in improving the sealing.

[0075] The specific operation of the oil filling mechanism 9 is as follows: during the installation process between the upper shell 2 and the lower shell 1, the plug-in cylinder 201 is inserted into the sleeve 101 to push the pressure rod 901, and the pressure rod 901 drives the piston plate 909 to move, squeeze the oil in the lower chamber, and compress the compression spring 910 to produce compression deformation until the plug-in cylinder 201 contacts the stop column 7. The oil is pushed by the piston plate 909, passes through the first one-way valve 906 and the oil filling pipe 903, and then enters the annular pipe 902, and then evenly disperses to the annular embedded groove through a plurality of oil outlets 9021. 102, the annular groove 102 is evenly filled with oil, the upper shell 2 and the lower shell 1 are installed, and the two clamp the sealing ring 6, which is pressed in the annular groove 102, and oil is injected at the same time to protect the sealing ring 6; during the disassembly process between the upper shell 2 and the lower shell 1, the plug-in cylinder 201 is pulled out from the sleeve 101, the pressure rod 901 loses the downward pressure, and the piston disk 909 is driven to move upward through the elastic force of the compression spring 910, and the oil in the oil storage tank 905 is sucked through the oil extraction pipe 904, so that the oil enters the lower chamber.

[0076] In the above, the driving part performs the oil filling process, and the drive is provided by means of the installation and disassembly between the upper shell 2 and the lower shell 1. There is no need to set up an additional power source, and no manual oil filling operation is required. The overall use is convenient and easy.

[0077] Embodiment 2: Figure 1 A method for disassembling and assembling a switch-mounted electric energy meter that is easy to disassemble and assemble is implemented based on the switch-mounted electric energy meter that is easy to disassemble and assemble described in Example 1, and includes the following steps:

[0078] Step 1: Disassemble the shell:

[0079] First, the four positioning plugs 305 are respectively pulled out from the positioning holes on the four sleeves 101 by the operating assembly of the assembly mechanism 3, and then the operating assembly is pulled up to move the upper shell 2 upward, and the plug-in cylinder 201 is pulled out from the corresponding sleeve 101, and the upper shell 2 is disassembled from the lower shell 1;

[0080] Step 2: Wiring automatically disconnects:

[0081] The sliding force input end of the movable disconnecting mechanism 5 loses the abutment of the plug-in cylinder 201, the insulating frame plate 504 slides away from the terminal block 4, and the plurality of conductive heads 505 and the plurality of conductive pillars 403 are connected or disconnected one by one; at this time, the components in the upper housing 2 and the lower housing 1 can be replaced and maintained;

[0082] Step 3: Assemble and splice:

[0083] After component replacement and maintenance, first hold the grip plates 301 of the two assembly mechanisms 3, and drive the four positioning plugs 305 to retract into the corresponding plug-in barrels 201 through the operating assembly, and then insert the four plug-in barrels 201 into the corresponding sleeves 101, until the four plug-in barrels 201 respectively abut against the corresponding stopper 7, at which time the positioning plugs 305 are aligned with the corresponding positioning holes, and the four positioning plugs 305 are respectively inserted into the corresponding positioning holes through the operating assembly to complete the assembly of the upper shell 2 and the lower shell 1. The two plug-in cylinders 201 on the left squeeze the two sliding force input ends of the active disconnecting mechanism 5 into the corresponding third guide holes respectively, and at the same time, the insulating frame plate 504 slides toward the terminal row 4, and the plurality of conductive heads 505 are connected with the plurality of conductive columns 403 in a one-to-one correspondence. After assembly, the wiring at the terminal row 4 is automatically connected, and the plug-in cylinder 201 presses the pressure rod 901, and the piston movement of the piston disk 909 draws the oil in the oil storage tank 905 into the lower chamber, and presses the oil in the lower chamber into the annular groove 102.

[0084] The above embodiments are merely exemplary descriptions of the present invention and do not limit its protection scope. Those skilled in the art may also make partial changes thereto, which are within the protection scope of the present invention as long as they do not exceed the spirit of the present invention.

Claims

1. A switch with built-in electric energy meter that is easy to disassemble and assemble, characterized in that: It comprises a lower housing (1), an upper housing (2), an assembly mechanism (3), a terminal block (4) and a movable disconnecting mechanism (5); The upper shell (2) is a rectangular shell with an opening at the bottom, and plug-in cylinders (201) are respectively arranged at the four corners of the upper shell (2), and the rear side walls of the two front plug-in cylinders (201) and the front side walls of the two rear plug-in cylinders (201) are both provided with first guide holes; the lower shell (1) is a rectangular shell with an opening at the top, and sleeves (101) are respectively arranged at the four corners of the lower shell (1), and the rear side walls of the two front sleeves (101) and the front side walls of the two rear sleeves (101) are both provided with positioning holes, and the four plug-in cylinders (201) correspond to the four sleeves (101) in a one-to-one manner and can be detachably plugged in and matched; The assembly mechanism (3) comprises a positioning plug (305) and an operating component capable of driving the positioning plug (305) to move axially, the four positioning plugs (305) are respectively plugged and slidably matched with the four first guide holes in a one-to-one correspondence, the two operating components are respectively connected to the front and rear outer side walls of the upper shell (2), and the four positioning plugs (305) are controlled by the operating components to be pulled out or inserted into the four positioning holes in a one-to-one correspondence; A wiring terminal block (4) is arranged on the left side of the lower housing (1), a plurality of wiring holes (401) are arranged on the wiring terminal block (4), a conductive sheet (402) is arranged in the wiring hole (401), the left ends of the plurality of conductive pillars (403) extend into the plurality of wiring holes (401) in a one-to-one correspondence and are connected to the plurality of conductive pillars (403) in a one-to-one correspondence, and the right ends of the plurality of conductive pillars (403) extend into the lower housing (1) respectively; The movable disconnecting mechanism (5) comprises an insulating frame plate (504) which is slidably arranged in the lower shell (1). A plurality of conductive heads (505) are arranged on the insulating frame plate (504). Two sliding force input ends of the movable disconnecting mechanism (5) respectively extend into two sleeves (101) located on the left and respectively cooperate with corresponding plug-in sleeves (201). The plug-in and pull-out actions of the plug-in sleeve (201) in the sleeve (101) cause the insulating frame plate (504) to approach or move away from the terminal block (4), and the plurality of conductive heads (505) and the plurality of conductive posts (403) are connected or disconnected in a one-to-one correspondence.

2. The switch-mounted electric energy meter that is easy to disassemble and assemble according to claim 1 is characterized in that: The operating assembly comprises a gripping plate (301) fixedly mounted on the side wall of the upper shell (2); a groove cavity (3011) is provided on the lower end surface of the gripping plate (301); a second guide hole connected to the groove cavity (3011) is provided on the side wall of the upper shell (2); the movable rod (303) is plugged and slidably matched with the second guide hole; one end of the movable rod (303) extends into the groove cavity (3011) and is connected to the push-pull seat (306); a first tension spring (307) is sleeved on the movable rod (303); the push-pull seat (306) is connected to the groove cavity (3011) by the first tension spring (307). The housing (2) is elastically connected to a groove wall on one side, the other end of the movable rod (303) extends into the upper housing (2) and is connected to the middle of the U-shaped frame rod (304), the two ends of the rear U-shaped frame rod (304) respectively pass through the top ends of the two rear plug-in cylinders (201) and are respectively connected to the two positioning plugs (305) at the rear, the two ends of the front U-shaped frame rod (304) respectively pass through the top ends of the two front plug-in cylinders (201) and are respectively connected to the two positioning plugs (305) at the front, and a plurality of anti-slip grooves (302) are provided on the upper end surface of the grip plate (301).

3. The switch-mounted electric energy meter that is easy to disassemble and assemble according to claim 2 is characterized in that: The insulating frame (504) is slidable between the two left sleeves (101) and the plurality of conductive pillars (403); the conductive head (505) is fixedly mounted on the insulating frame (504); a plurality of plug sleeves (507) are arranged on the end surface of the insulating frame (504) close to the plurality of conductive pillars (403); the plurality of plug sleeves (507) are connected to the plurality of conductive heads (505) in a one-to-one correspondence; one end of the two connecting bent rods (506) is respectively connected to the insulating frame (504); the other end of the connecting bent rods (506) is provided with an inclined surface block (508); the inclined surface block (508) is the sliding force input end of the active disconnecting mechanism (5); a third guide hole is opened on the left side wall of the two left sleeves (101); the two inclined surface blocks (508) are respectively connected to the two third guide holes (101); 1) One-to-one sliding fit, the end surface of the insulating frame plate (504) away from the plurality of conductive pillars (403) is connected to a fixed baffle (501) arranged on the bottom wall of the lower shell (1) through a second tension spring (503), when the plug-in cylinder (201) is inserted into the sleeve (101), the two inclined surface blocks (508) respectively abut against the left side of the outer periphery of the two corresponding plug-in cylinders (201), the plurality of conductive pillars (403) and the plurality of plug sleeves (507) are plugged in one-to-one, when the plug-in cylinder (201) is pulled out of the sleeve (101), under the pulling force of the second tension spring (503), the right end of the inclined surface block (508) slides into the corresponding sleeve (101), the insulating frame plate (504) slides to the right, and the plurality of plug sleeves (507) are disconnected from the plurality of conductive heads (505).

4. The switch-mounted electric energy meter that is easy to disassemble and assemble according to claim 3 is characterized in that: The bottom end of the plug-in cylinder (201) is provided with an inclined conical surface (2011) adapted to the inclined surface block (508); when the plug-in cylinder (201) is inserted into the sleeve (101), the inclined conical surface (2011) squeezes the inclined surface block (508) into the third guide hole (1011).

5. The switch-mounted electric energy meter that is easy to disassemble and assemble according to claim 4 is characterized in that: A positioning slide rail (502) is provided on the bottom wall of the lower shell (1), and the positioning slide rail (502) is arranged on the left and right. A slide groove (5041) is opened at the bottom of the insulating frame plate (504), and the slide groove (5041) is slidably connected to the positioning slide rail (502).

6. The switch-mounted electric energy meter that is easy to disassemble and assemble according to claim 2, characterized in that: A stop column (7) is provided at the lower end of the sleeve (101), and the lower end of the stop column (7) is fixedly mounted on the bottom wall of the lower shell (1), a gap is provided between the stop column (7) and the sleeve (101), a buffer spring (8) is sleeved on the stop column (7), and two ends of the buffer spring (8) respectively abut against the bottom wall of the lower shell (1) and the lower end surface of the corresponding plug-in tube (201), and when the corresponding plug-in tube (201) and the stop column (7) abut against each other up and down, the first guide hole and the corresponding positioning hole are aligned.

7. The switch-mounted electric energy meter that is easy to disassemble and assemble according to claim 2, characterized in that: A sealing ring (6) is fixedly mounted on the bottom edge of the upper shell (2), and an annular embedding groove (102) for embedding the sealing ring (6) is provided on the top edge of the lower shell (1), and the annular embedding groove (102) is connected to an oil injection mechanism (9).

8. The switch-mounted electric energy meter that is easy to disassemble and assemble according to claim 7, characterized in that: The oil injection mechanism (9) comprises a driving part, an oil storage tank (905) and an annular tube (902). The annular tube (902) is located below the annular groove (102). A plurality of oil outlet tubes (9021) are arranged at equal intervals on the annular tube (902). The plurality of oil outlet tubes (9021) respectively pass through the lower side wall of the annular groove (102). The top ends of the plurality of oil outlet tubes (9021) are respectively flush with the bottom of the annular groove (102). 2) connected with the oil storage tank (905) through the driving part, the driving part is provided with a pressure rod (901), the blocking column (7) is a hollow structure, the driving part is installed in any blocking column (7), the pressure rod (901) passes through the blocking column (7) and is arranged upward, when the corresponding plug-in cylinder (201) is inserted into the sleeve (101), the pressure rod (901) is pressed downward, and the engine oil in the oil storage tank (905) is pressed into the annular embedded groove (102) through a plurality of oil outlet capillaries (9021).

9. The switch-mounted electric energy meter that is easy to disassemble and assemble according to claim 8, characterized in that: The driving part comprises an oil filling cylinder (908) fixedly mounted in the retaining column (7) and a piston disc (909) arranged in the oil filling cylinder (908). The inner periphery of the oil filling cylinder (908) and the outer periphery of the piston disc (909) are slidably sealed. The lower end of the pressure rod (901) passes through the upper wall of the oil filling cylinder (908) and is connected to the piston disc (909). The piston disc (909) divides the oil filling cylinder (908) into an upper chamber and a closed lower chamber. A compression spring (910) is arranged in the lower chamber. The two ends of the compression spring (910) are respectively against the lower wall of the oil filling cylinder (908) and the piston disc (909). The oil storage tank (90 5) is fixedly mounted to the bottom of the lower shell (1), a refueling port (9051) is provided on one side of the oil storage tank (905), a first one-way valve (906) and a second one-way valve (907) are provided at the bottom of the lower chamber, the oil storage tank (905) is connected to the second one-way valve (907) via an oil extraction pipe (904), the first one-way valve (906) is connected to the annular pipe (902) via an oil injection pipe (903), the medium flow direction of the first one-way valve (906) is from the lower chamber to the oil injection pipe (903), and the medium flow direction of the second one-way valve (907) is from the oil extraction pipe (904) to the lower chamber.

10. A method for disassembling and assembling a switch-mounted electric energy meter that is easy to disassemble and assemble, which is realized by relying on the switch-mounted electric energy meter that is easy to disassemble and assemble as claimed in any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1: Disassemble the shell: First, the four positioning plugs (305) are respectively pulled out from the positioning holes on the four sleeves (101) through the operating assembly of the assembly mechanism (3), and then the operating assembly is pulled up to move the upper shell (2) upward, and the plug-in cylinder (201) is pulled out from the corresponding sleeve (101), and the upper shell (2) and the lower shell (1) are disassembled; Step 2: Wiring automatically disconnects: The sliding force input end of the movable disconnecting mechanism (5) loses the abutment of the plug-in cylinder (201), the insulating frame plate (504) slides away from the wiring terminal block (4), and the plurality of conductive heads (505) and the plurality of conductive pillars (403) are connected or disconnected one by one; at this time, the components in the upper housing (2) and the lower housing (1) can be replaced and maintained; Step 3: Assemble and splice: After the component is replaced and maintained, the gripping plates (301) of the two assembly mechanisms (3) are first held, and the four positioning plugs (305) are driven by the operating assembly to be retracted into the corresponding plug-in cylinders (201), and then the four plug-in cylinders (201) are respectively inserted into the corresponding sleeves (101) until the four plug-in cylinders (201) are respectively against the corresponding stop columns (7). At this time, the positioning plugs (305) are aligned with the corresponding positioning holes, and the four positioning plugs (305) are respectively inserted into the corresponding positioning holes by the operating assembly to complete the assembly of the upper shell (2) and the lower shell (1). The two plug-in cylinders (201) on the left side squeeze the two sliding force input ends of the movable disconnecting mechanism (5) into the corresponding third guide holes respectively, and at the same time, the insulating frame plate (504) slides toward the terminal block (4), and the plurality of conductive heads (505) and the plurality of conductive pillars (403) are connected one by one. After assembly, the wiring at the terminal block (4) is automatically connected, and the plug-in cylinder (201) presses the pressure rod (901). The piston movement of the piston plate (909) draws the oil in the oil storage tank (905) into the lower chamber, and presses the oil in the lower chamber into the annular embedding groove (102).

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