Novel dismounting tool for watt-hour meter circuit

Abstract

The utility model discloses a novel disassembling and assembling tool for a watt-hour meter circuit, and belongs to the technical field of electric power tools, the novel disassembling and assembling tool for the watt-hour meter circuit comprises a double-end assembly and a screwdriver body, and the double-end assembly is installed on the screwdriver body; the screwdriver body is provided with a forward rotation button and a reverse rotation button, a power device is further arranged in the screwdriver body, and the forward rotation button and the reverse rotation button are electrically connected with the power device. The double-end assembly is provided with two magnetic attraction tools, and the screwdriver body drives the magnetic attraction tools of the double-end assembly to rotate forwards or reversely. The screw assembling and disassembling tool can ensure the tightness of screws to be consistent, can disassemble and assemble two screws simultaneously, is convenient and flexible to operate, and greatly improves the working efficiency.

Description

TECHNICAL FIELD

[0001] The application relates to a novel dismounting tool for an electric meter circuit, and belongs to the technical field of electric tools. BACKGROUND

[0002] In modern power systems, electric meters (also known as electric energy meters or power meters) are key devices for measuring and recording power consumption and are widely used in households, businesses and industries. In order to ensure that the electric meter can accurately measure the power consumption and safely and reliably operate, the design of its terminal is crucial. Especially for some high-precision, multi-phase or intelligent electric meters, double-row screws are usually used to fix the terminal to ensure the stability and reliability of the wire connection.

[0003] In the maintenance or dismounting work of the electric meter with double-row screw fixed terminal, the double-row screw fixed terminal design allows each terminal to accommodate two wires, which are fastened by two screws respectively. This design increases the complexity of wiring, especially when multiple terminals need to be handled at the same time, the operator must ensure that each screw is properly tightened to avoid electrical failure due to looseness. The traditional single-head electric screwdriver is low in efficiency when working, and each screw in the dismounting process increases the workload and operation difficulty due to the uneven force used by the worker, so a novel electric meter circuit dismounting tool is needed, which can ensure the consistency of screw tightness and simultaneously dismount two screws. CONTENT OF THE INVENTION

[0004] The technical problem to be solved by the present application is to overcome the shortcomings of the prior art and provide a novel electric meter circuit dismounting tool that can ensure the consistency of screw tightness and simultaneously dismount two screws, is easy and convenient to operate, and greatly improves work efficiency.

[0005] The technical solution adopted by the application to solve the existing problems is:

[0006] A novel electric meter circuit dismounting tool, comprising a double-head assembly and a screwdriver body, the double-head assembly is installed on the screwdriver body;

[0007] The screwdriver body is provided with a forward rotation button and a reverse rotation button, and the screwdriver body is also provided with a power device, and the forward rotation button and the reverse rotation button are electrically connected with the power device;

[0008] The double-head assembly is provided with two magnetic tools, and the screwdriver body drives the magnetic tools of the double-head assembly to rotate forward or reverse.

[0009] Preferably, the double-head assembly comprises a holder, one end of the holder is provided with an open sleeve, the open sleeve is provided with an opening, both sides of the opening are radially provided with locking plates, the locking plates are provided with locking holes, and the holder 11 is sleeved on the screwdriver body through the open sleeve.

[0010] Preferably, the other end of the holder is fixedly connected with one end of an upper shell, the other end of the upper shell is fixedly connected with one end of a lower shell, and the other end of the lower shell is fixedly connected with an end cover.

[0011] The first positioning pin and the second positioning pin are arranged between the upper shell and the lower shell, and are used for preventing relative rotation of the upper shell and the lower shell.

[0012] Preferably, a cavity is formed between the upper shell and the lower shell, a third gear shaft is arranged in the cavity formed between the upper shell and the lower shell, and the third gear shaft is rotationally connected with the upper shell and the lower shell.

[0013] Preferably, a first gear shaft and a second gear shaft are further arranged in the cavity formed between the upper shell and the lower shell, the first gear shaft is both rotationally and slidingly connected with the upper shell and the lower shell, and the second gear shaft is both rotationally and slidingly connected with the upper shell and the lower shell.

[0014] Preferably, the third gear shaft is provided with third gear shaft teeth, the first gear shaft is provided with first gear shaft teeth, and the second gear shaft is provided with second gear shaft teeth.

[0015] Preferably, the first gear shaft is provided with a first gear shaft shoulder end face, the upper shell is provided with an upper shell inner end face, one end of the first gear shaft is sleeved with a first return spring, and both ends of the first return spring are respectively abutted against the first gear shaft shoulder end face and the upper shell inner end face.

[0016] The second gear shaft is provided with a second gear shaft shoulder end face, one end of the second gear shaft is sleeved with a second return spring, and both ends of the second return spring are respectively abutted against the second gear shaft shoulder end face and the upper shell inner end face.

[0017] Preferably, the other end of the first gear shaft and the other end of the second gear shaft are respectively provided with magnetic tools.

[0018] The screwdriver body is further provided with an internal hexagonal hole, one end of the third gear shaft close to the screwdriver body is provided with an external hexagonal shaft section, and the external hexagonal shaft section is slidingly connected with the internal hexagonal hole.

[0019] Compared with the prior art, the application has the beneficial effects that:

[0020] The first gear shaft and the second gear shaft of the application rotate synchronously and in the same direction, the distance between the first gear shaft and the second gear shaft is designed according to the distance between the double-row fixed screws of an electric meter, so that the two screws in one row can be fastened or loosened at the same time, and the tool has the characteristics of lightness, flexibility and convenience. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of a novel dismounting tool for an electric meter circuit of the application;

[0022] Figure 2 It is a partial sectional front view of a novel dismounting tool for an electric meter circuit of the application;

[0023] Figure 3 It is a partial sectional plan view of a novel dismounting tool for an electric meter circuit of the application;

[0024] Figure 4 It is a partial enlarged view of A in the partial sectional plan view of a novel dismounting tool for an electric meter circuit of the application;

[0025] Figure 5 It is a full sectional left view of a novel dismounting tool for an electric meter circuit of the application.

[0026] In the drawings:

[0027] 1, double-head assembly, 11, retainer, 1101, open sleeve, 1102, locking plate, 1103, locking hole, 1104, opening, 1105, first shaft hole of retainer, 1106, second shaft hole of retainer, 1107, third shaft hole of retainer, 12, upper housing, 1201, inner end face of upper housing, 1202, first shaft hole of upper housing, 1203, second shaft hole of upper housing, 13, lower housing, 1301, inner end face of lower housing, 1302, first shaft hole of lower housing, 1303, second shaft hole of lower housing, 14, end cover, 1401, first shaft hole of end cover, 1402, second shaft hole of end cover, 15, first gear shaft, 1501, gear teeth of first gear shaft, 1502, ring end face of first gear shaft, 1503, shoulder end face of first gear shaft, 16, second gear shaft, 1601, gear teeth of second gear shaft, 1602, ring end face of second gear shaft, 1603, shoulder end face of second gear shaft, 17, first return spring, 18, first positioning pin, 19, second return spring, 110, third gear shaft, 11001, gear teeth of third gear shaft, 11002, first end face of third gear shaft, 11003, second end face of third gear shaft, 11004, outer hexagonal shaft segment, 111, second positioning pin, 2, screwdriver body, 21, forward rotation button, 22, reverse rotation button, 23, inner hexagonal hole, 3, magnetic tool. DETAILED DESCRIPTION

[0028] As used in the description of the disclosure and the appended claims, certain terminology is used to describe parts by their functions. One of ordinary skill in the art will understand that different names can be used to refer to an element depen ding on the specific context. The disclosure and claims should not be limited by the names used for the elements. As used in the specification and in the claims, the term "comprising" is used in the sense of "including" but not necessarily "limited to." The term "about" refers to a range that a person of skill in the art would consider acceptable under the circumstances, and that a person of skill in the art would be able to solve the technical problem substantially and achieve the technical effect.

[0029] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "horizontal", etc. indicate the orientation or positional relationship shown in the drawings, and are only used for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0030] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium; can be internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in the present application can be understood according to the specific circumstances.

[0031] As shown in Figures 1-5 A new type of disassembly tool for electric meter circuit, comprising a double-head assembly 1 and a screwdriver body 2, the double-head assembly 1 is installed on the screwdriver body 2.

[0032] The screwdriver body 2 is provided with a forward rotation button 21 and a reverse rotation button 22, and a power device is further arranged in the screwdriver body 2, and the forward rotation button 21 and the reverse rotation button 22 are electrically connected with the power device. The screwdriver body 2 is further provided with an internal hexagonal hole 23.

[0033] The double-head assembly 1 comprises a holder 11, one end of the holder 11 is provided with an open sleeve 1101, the open sleeve 1101 is provided with an opening 1104, and the opening 1104 is provided with locking plates 1102 on both sides in the radial direction, the locking plates 1102 are provided with locking holes 1103, the holder 11 is sleeved on the screwdriver body 2 through the open sleeve 1101, a bolt is used to pass through the locking holes 1103 of the two locking plates 1102, and a nut is screwed on the bolt, because the open sleeve 1101 is provided with the opening 1104, the opening 1104 becomes smaller in the process of tightening the nut and the bolt, and the double-head assembly 1 is fixed on the screwdriver body 2. The structure design of the holder 11 enables the double-head assembly 1 to have a quick locking and unlocking mechanism, so that the user can complete the installation and disassembly of the double-head assembly 1 within a few seconds.

[0034] The other end of the holder 11 is fixedly connected with one end of an upper shell 12, the other end of the upper shell 12 is fixedly connected with one end of a lower shell 13, and the other end of the lower shell 13 is fixedly connected with an end cover 14.

[0035] The first positioning pin 18 and the second positioning pin 111 are arranged between the upper shell 12 and the lower shell 13, one end of the first positioning pin 18 and the second positioning pin 111 is arranged on the upper shell 12, and the other end is arranged on the lower shell 13, and the first positioning pin 18 and the second positioning pin 111 are used to prevent the relative rotation of the upper shell 12 and the lower shell 13.

[0036] As shown in Figure 2 The upper shell 12 and the lower shell 13 are surrounded to form a cavity, a third gear shaft 110 is arranged in the cavity formed between the upper shell 12 and the lower shell 13, and the third gear shaft 110 is rotatably connected with the upper shell 12 and the lower shell 13. The third gear shaft 110 is provided with a third gear shaft first end face 11002 and a third gear shaft second end face 11003, the upper shell 12 is provided with an upper shell inner end face 1201, the lower shell 13 is provided with a lower shell inner end face 1301, the third gear shaft first end face 11002 abuts against the lower shell inner end face 1301, and the third gear shaft second end face 11003 abuts against the upper shell inner end face 1201, so as to limit the axial position of the third gear shaft 110.

[0037] In combination with Figures 3-5As shown, the first gear shaft 15 and the second gear shaft 16 are also installed in the cavity formed between the upper shell 12 and the lower shell 13, and the distance between the first gear shaft 15 and the second gear shaft 16 is designed according to the distance between the double-row fixed screws of the electric meter. The upper shell 12 is provided with an upper shell first shaft hole 1202, the lower shell 13 is provided with a lower shell first shaft hole 1302, both ends of the first gear shaft 15 are respectively installed in the upper shell first shaft hole 1202 and the lower shell first shaft hole 1302, the first gear shaft 15 is in clearance fit with the upper shell first shaft hole 1202 and the lower shell first shaft hole 1302, the first gear shaft 15 can slide and rotate in the upper shell first shaft hole 1202 and the lower shell first shaft hole 1302, and the first gear shaft 15 is in both sliding connection and rotating connection with the upper shell 12 and the lower shell 13.

[0038] The first gear shaft 15 is provided with a first gear shaft ring end face 1502 and a first gear shaft shoulder end face 1503, which are used for limiting the two ends of the first gear shaft 15 when sliding axially.

[0039] One end of the first gear shaft 15 is sleeved with a first reset spring 17, and both ends of the first reset spring 17 are respectively in abutment with the first gear shaft shoulder end face 1503 and the upper shell inner end face 1201. The first reset spring 17 is used for resetting the first gear shaft 15.

[0040] The upper shell 12 is provided with an upper shell second shaft hole 1203, the lower shell 13 is provided with a lower shell second shaft hole 1303, both ends of the second gear shaft 16 are respectively installed in the upper shell second shaft hole 1203 and the lower shell second shaft hole 1303, the second gear shaft 16 is in clearance fit with the upper shell second shaft hole 1203 and the lower shell second shaft hole 1303, the second gear shaft 16 can slide and rotate in the upper shell second shaft hole 1203 and the lower shell second shaft hole 1303, and the second gear shaft 16 is in both sliding connection and rotating connection with the upper shell 12 and the lower shell 13.

[0041] The second gear shaft 16 is provided with a second gear shaft ring end face 1602 and a second gear shaft shoulder end face 1603, which are used for limiting the two ends of the second gear shaft 16 when sliding axially.

[0042] One end of the second gear shaft 16 is sleeved with a second reset spring 19, and both ends of the second reset spring 19 are respectively in abutment with the second gear shaft shoulder end face 1603 and the upper shell inner end face 1201. The second reset spring 19 is used for resetting the second gear shaft 16.

[0043] The third gear shaft 110 is provided with a third gear shaft tooth 11001, the first gear shaft 15 is provided with a first gear shaft tooth 1501, and the second gear shaft 16 is provided with a second gear shaft tooth 1601. When not working, the first return spring 17 and the second return spring 19 are in the stretched state, so that the first gear shaft tooth 1501 and the second gear shaft tooth 1601 are in the separated state from the third gear shaft tooth 11001.

[0044] The other end of the first gear shaft 15 and the other end of the second gear shaft 16 are respectively provided with a magnetic tool 3, which can be installed with a screwdriver bit of different specifications. Since the magnetic tool 3 has a magnetic function, when replacing a screwdriver bit of different specifications, no other tools or parts are needed to fix the screwdriver bit, which is convenient and time-saving.

[0045] The third gear shaft 110 is provided with an outer hexagonal shaft section 11004 near one end of the screwdriver body 2, which extends into the inner hexagonal hole 23 and is in sliding connection with the inner hexagonal hole 23.

[0046] When working, the screwdriver body 2 with the double-head assembly 1 is held by hand, the screwdriver bit is aligned with the two screws of the electric meter circuit, and the screwdriver body 2 with the double-head assembly 1 is pressed downward by hand. At this time, the first gear shaft 15 and the second gear shaft 16 move upward under the action of pressing, and the first return spring 17 and the second return spring 19 also start to compress. At this time, under the compression of the first return spring 17 and the second return spring 19, the first gear shaft 15 and the second gear shaft 16 actively align with the position of the third gear shaft 110, and the first gear shaft 15 and the second gear shaft 16 are respectively engaged with the third gear shaft 110. Then, the forward rotation button 21 or the reverse rotation button 22 is pressed, the screwdriver body 2 drives the third gear shaft 110 to rotate, the third gear shaft 110 drives the first gear shaft 15 and the second gear shaft 16 to rotate forward or reverse at the same time, and finally the screw is disassembled or assembled, and the work is completed. After the work is completed, the screwdriver body 2 with the double-head assembly 1 is stopped rotating and separated from the screw. At this time, the first return spring 17 resets the first gear shaft 15, and the second return spring 19 resets the second gear shaft 16, so that the first gear shaft tooth 1501 and the second gear shaft tooth 1601 return to the separated state from the third gear shaft tooth 11001.

[0047] The embodiments of the application are described in detail above in combination with the drawings, but the application is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the application.

Claims

1. A novel tool for disassembling and assembling electricity meter circuits, characterized in that: It includes a double-ended assembly (1) and a screwdriver body (2), wherein the double-ended assembly (1) is mounted on the screwdriver body (2); The screwdriver body (2) is provided with a forward rotation button (21) and a reverse rotation button (22). The screwdriver body (2) is also provided with a power device. The forward rotation button (21) and the reverse rotation button (22) are electrically connected to the power device. The dual-head assembly (1) is equipped with two magnetic tools (3), and the screwdriver body (2) drives the magnetic tools (3) of the dual-head assembly (1) to rotate forward or backward.

2. The novel disassembly and assembly tool for electricity meter circuits according to claim 1, characterized in that: The dual-head assembly (1) includes a retainer (11), one end of which is provided with an open sleeve (1101), the open sleeve (1101) is provided with an opening (1104), and locking plates (1102) are provided radially on both sides of the opening (1104). The locking plates (1102) are provided with locking holes (1103). The retainer (11) is sleeved on the screwdriver body (2) through the open sleeve (1101).

3. The novel disassembly and assembly tool for electricity meter circuits according to claim 2, characterized in that: The other end of the retainer (11) is fixedly connected to one end of the upper housing (12), the other end of the upper housing (12) is fixedly connected to one end of the lower housing (13), and the other end of the lower housing (13) is fixedly connected to the end cap (14). A first positioning pin (18) and a second positioning pin (111) are provided between the upper housing (12) and the lower housing (13). The first positioning pin (18) and the second positioning pin (111) are used to prevent relative rotation between the upper housing (12) and the lower housing (13).

4. The novel disassembly and assembly tool for electricity meter circuits according to claim 3, characterized in that: A cavity is formed between the upper shell (12) and the lower shell (13), and a third gear shaft (110) is installed in the cavity formed between the upper shell (12) and the lower shell (13). The third gear shaft (110) is rotatably connected to the upper shell (12) and the lower shell (13).

5. A novel disassembly and assembly tool for electricity meter circuits according to claim 4, characterized in that: A first gear shaft (15) and a second gear shaft (16) are installed in the cavity formed between the upper shell (12) and the lower shell (13). The first gear shaft (15) is both slidably connected to the upper shell (12) and the lower shell (13), and the second gear shaft (16) is both slidably connected to the upper shell (12) and the lower shell (13).

6. A novel disassembly and assembly tool for electricity meter circuits according to claim 5, characterized in that: The third gear shaft (110) is provided with a third gear shaft tooth (11001), the first gear shaft (15) is provided with a first gear shaft tooth (1501), and the second gear shaft (16) is provided with a second gear shaft tooth (1601).

7. A novel disassembly and assembly tool for electricity meter circuits according to claim 6, characterized in that: The first gear shaft (15) is provided with a first gear shaft shoulder end face (1503), the upper housing (12) is provided with an upper housing inner end face (1201), and a first return spring (17) is sleeved on one end of the first gear shaft (15). The two ends of the first return spring (17) abut against the first gear shaft shoulder end face (1503) and the upper housing inner end face (1201) respectively. The second gear shaft (16) is provided with a second gear shaft shoulder end face (1603), and a second return spring (19) is sleeved on one end of the second gear shaft (16). The two ends of the second return spring (19) abut against the second gear shaft shoulder end face (1603) and the inner end face (1201) of the upper housing, respectively.

8. A novel disassembly and assembly tool for electricity meter circuits according to claim 7, characterized in that: A magnetic suction tool (3) is installed at the other end of the first gear shaft (15) and the other end of the second gear shaft (16); The screwdriver body (2) is also provided with an internal hexagonal hole (23), and the third gear shaft (110) is provided with an external hexagonal shaft section (11004) at one end near the screwdriver body (2), and the external hexagonal shaft section (11004) is slidably connected to the internal hexagonal hole (23).

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