Electric quantity measuring instrument

Abstract

The utility model discloses an electric quantity measuring instrument, which belongs to the technical field of electric quantity measuring instruments and comprises an electric quantity measuring instrument body, two sides of the electric quantity measuring instrument body are respectively provided with a fixing box, one end of each fixing box is provided with a protective shell, and an inner cavity of each protective shell is slidably connected with a connecting plug. Through the arrangement of the winding mechanism, the positioning mechanism and the guide mechanism, the winding mechanism can wind the first connecting line, the winding mechanism can increase the length of the first connecting line, the use range of the electric quantity measuring instrument is improved, the positioning mechanism can position the first connecting line, the first connecting line can be wound conveniently, and the electric quantity measuring instrument is convenient to use. According to the storage device for the first connecting wires, the first connecting wires can be quickly, neatly and orderly stored, meanwhile, the first connecting wires cannot be wound mutually, use is convenient, the guide mechanism can guide the first connecting wires, and the winding mechanism can conveniently wind the first connecting wires.

Description

Technical Field

[0001] The utility model relates to the technical field of electric quantity measuring instruments, in particular to an electric quantity measuring instrument. Background Art

[0002] With the rapid development of social economy, electrical quantity measuring instruments refer to electrical measuring instruments. Electrical measuring instruments are measuring instruments that compare the measured electrical quantity or electrical parameters with electrical standards or provide accurate ratios. A large number of comparison instruments (short for comparison measuring instruments) used in scientific research, value transfer and industrial testing are all electrical measuring instruments.

[0003] CN217466976U discloses a novel intelligent electric quantity measuring instrument, including a measuring instrument body, both sides of the measuring instrument body are provided with side wire storage plates, the inner upper and lower surfaces of the side wire storage plates are provided with two guide slots, the inner side of the guide slot is provided with an adjustment spring, one end of the adjustment spring is provided with an adjustment slider, an adjustment pulley is provided between the adjustment slider and the adjustment slider directly above it, and a positioning shaft pin is provided between the adjustment pulley and the two adjustment sliders, and the two ends of the positioning shaft pin are respectively movably plugged into the inside of the adjustment pulley and the adjustment slider. The utility model can quickly store the wires connected to the measuring instrument neatly and orderly by providing the side wire storage plates, connecting wires, adjusting pulleys, adjusting springs and adjusting sliders, so that the test instrument can be conveniently carried, and the wires will not be entangled with each other.

[0004] There are still some problems in the use of the above patent, such as: the technical connector is exposed, lacks protective devices, and is easily damaged by collision with foreign objects, thereby affecting the normal use of the technical connector. At the same time, the connecting wire is stored by adjusting the pulley, adjusting the spring and adjusting the slider, so that its storage length is limited, which causes the length of the connecting wire to be too short, reducing the use range of the electricity meter. Therefore, we need to propose an electricity meter. Utility Model Content

[0005] The purpose of the utility model is to provide an electricity meter, which has the advantages of protecting technical wire ends and avoiding damage to technical joints, while increasing the usable length of connecting wires, thereby improving the use range of the electricity meter, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric quantity meter, comprising an electric quantity meter body, fixed boxes are installed on both sides of the electric quantity meter body, a protective shell is installed on one end of the fixed box, a connecting plug is slidably connected to the inner cavity of the protective shell, the inner cavity of the fixed box is provided with a winding mechanism for winding up the wire harness so as to facilitate storage of the wire harness, the inner cavity of the fixed box is provided with a positioning mechanism for positioning the wire harness so as to facilitate storage of the wire harness, and the inner cavity of the fixed box is provided with a guiding mechanism for guiding the wire harness so as to facilitate the winding mechanism to wind up the wire harness.

[0007] Preferably, the winding mechanism includes a fixed rod, which is fixedly installed on one side of the inner cavity of the fixed box, and the surface of the fixed rod is rotatably connected to the winding drum. A torsion spring is provided on the surface of the fixed rod and located in the inner cavity of the winding drum, one end of the torsion spring is connected to the surface of the fixed rod, and the other end of the torsion spring is connected to the inner wall of the winding drum. The inner cavity of the winding drum is provided with a connecting component that electrically connects the connecting plug to the electrical quantity measuring instrument body.

[0008] Preferably, the connecting assembly includes an annular connector, which is fixedly mounted on the inner wall of the winding drum, and a fixed connector is installed on the surface of the fixed rod and at a corresponding position of the annular connector, the surface of the fixed connector is rotatably connected to the inner wall of the annular connector, the annular connector is electrically connected to the connecting plug through a first connecting line, and the fixed connector is electrically connected to the electrical quantity meter body through a second connecting line.

[0009] Preferably, the positioning mechanism includes a threaded rod, a moving block is threadedly connected to the surface of the threaded rod, a positioning block is installed on the top of the moving block, a positioning hole is opened on the front of the positioning block, a driven gear is installed on the surface of the threaded rod, a driving gear is installed on the surface of the winding drum, and the surface of the driving gear is meshed with the driven gear.

[0010] Preferably, the guide mechanism comprises a support plate, and the support plate is fixedly mounted on the upper and lower sides of one side of the inner cavity of the fixed box. The inner side of the support plate is rotatably connected to a guide wheel through a bearing seat, and a guide groove is provided on the surface of the guide wheel.

[0011] Preferably, the connecting plug comprises a technical connector, which is slidably connected to the inner cavity of the protective shell, and support blocks are installed on the top and bottom of the technical connector, and a slide plate is connected to the outer side of the support block.

[0012] Preferably, the top and the bottom of the protective shell are both provided with slide grooves matching the support block, and the surface of the support block is slidably connected to the inner cavity of the slide groove.

[0013] Preferably, a limiting hole is opened on one side of the moving block, a limiting rod is arranged in the inner cavity of the limiting hole, both ends of the limiting rod are fixedly connected to the inner cavity of the fixing box, and the surface of the limiting rod is slidably connected to the inner cavity of the limiting hole.

[0014] Preferably, two indicator lights are provided on the upper surface of the electricity meter body, one of which is a positive lamp and the other is a negative lamp.

[0015] Preferably, one end of the protective shell is provided with an opening matching the technical connector, and the surface of the technical connector is slidably connected to the inner cavity of the opening.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model provides a winding mechanism, a positioning mechanism and a guiding mechanism. The winding mechanism can be used to wind up the first connecting wire. At the same time, the winding mechanism can increase the length of the first connecting wire, thereby improving the use range of the electricity meter. The first connecting wire can be positioned by the positioning mechanism, which is convenient for winding up the first connecting wire. The first connecting wire can be quickly and neatly and orderly stored. At the same time, the first connecting wires will not be entangled with each other, which is convenient for use. The guiding mechanism can guide the first connecting wire, which is convenient for the winding mechanism to wind up the first connecting wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the protective shell structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the connecting plug of the utility model;

[0021] Figure 4 This is a schematic diagram of the positioning mechanism structure of the utility model;

[0022] Figure 5 It is a structural schematic diagram of the winding mechanism of the utility model.

[0023] In the figure: 1. Electricity meter body; 2. Fixing box; 3. Protective shell; 4. Connecting plug; 5. Winding mechanism; 6. Positioning mechanism; 7. Guide mechanism; 51. Fixing rod; 52. Winding drum; 53. Torsion spring; 54. Connecting assembly; 541. Ring connector; 542. Fixed connector; 61. Threaded rod; 62. Moving block; 63. Positioning block; 64. Driven gear; 65. Driving gear; 71. Support plate; 72. Guide wheel; 41. Technical joint; 42. Support block; 43. Slide plate; 8. Limit rod; 9. Indicator light. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-Figure 5 The utility model provides a technical solution: an electric quantity meter, comprising an electric quantity meter body 1, a fixing box 2 is installed on both sides of the electric quantity meter body 1, a protective shell 3 is installed on one end of the fixing box 2, a connecting plug 4 is slidably connected to the inner cavity of the protective shell 3, a winding mechanism 5 for winding up the wire harness so as to store the wire harness is provided in the inner cavity of the fixing box 2, a positioning mechanism 6 for positioning the wire harness so as to store the wire harness is provided in the inner cavity of the fixing box 2 and at a position corresponding to the winding mechanism 5, a guiding mechanism 7 for guiding the wire harness so as to facilitate the winding mechanism 5 to wind up the wire harness is provided in the inner cavity of the fixing box 2 and at a position corresponding to the winding mechanism 5;

[0026] By setting the winding mechanism 5, the positioning mechanism 6 and the guiding mechanism 7, the first connecting wire can be wound up by the winding mechanism 5, and at the same time, the winding mechanism 5 can increase the length of the first connecting wire, thereby improving the use range of the electricity meter; the first connecting wire can be positioned by the positioning mechanism 6, which is convenient for winding up the first connecting wire, and the first connecting wire can be quickly and neatly and orderly stored; at the same time, the first connecting wires will not be entangled with each other, which is convenient for use; the guiding mechanism 7 can guide the first connecting wire, which is convenient for the winding mechanism 5 to wind up the first connecting wire.

[0027] See also Figure 1-Figure 5 The winding mechanism 5 includes a fixing rod 51, which is fixedly mounted on one side of the inner cavity of the fixing box 2. The surface of the fixing rod 51 is rotatably connected to a winding drum 52. A torsion spring 53 is sleeved on the surface of the fixing rod 51 and located in the inner cavity of the winding drum 52. One end of the torsion spring 53 is connected to the surface of the fixing rod 51, and the other end of the torsion spring 53 is connected to the inner wall of the winding drum 52. The inner cavity of the winding drum 52 is provided with a connecting component 54 that electrically connects the connecting plug 4 to the electrical quantity measuring instrument body 1. When in use, the connecting plug 4 is pulled, and the connecting plug 4 will drive the first connecting line to extend. At the same time, when the first connecting line moves, the winding drum 52 will be driven to rotate, and the winding drum 52 will drive the torsion spring 53 to compress. After use, the winding drum 52 will be driven to return to its original position under the action of the torsion spring 53, and at this time, the winding drum 52 will drive the first connecting line to be wound.

[0028] The connecting component 54 includes an annular connector 541, which is fixedly installed on the inner wall of the winding drum 52. A fixed connector 542 is installed on the surface of the fixed rod 51 and at a corresponding position of the annular connector 541. The surface of the fixed connector 542 is rotatably connected to the inner wall of the annular connector 541. The annular connector 541 is electrically connected to the connecting plug 4 through a first connecting line, and the fixed connector 542 is electrically connected to the electricity meter body 1 through a second connecting line, so as to facilitate the use of the electricity meter body 1.

[0029] The positioning mechanism 6 includes a threaded rod 61, a moving block 62 is threadedly connected to the surface of the threaded rod 61, a positioning block 63 is installed on the top of the moving block 62, a positioning hole is opened on the front of the positioning block 63, a driven gear 64 is installed on the surface of the threaded rod 61, and a driving gear 65 is installed on the surface of the winding drum 52. The surface of the driving gear 65 is meshed with the driven gear 64. When the winding drum 52 rotates, the driving gear 65 is driven to rotate, the driving gear 65 drives the driven gear 64 to rotate, the driven gear 64 drives the threaded rod 61 to rotate, the threaded rod 61 drives the moving block 62 to rotate, and the moving block 62 drives the positioning block 63 to move. The moving positioning block 63 can facilitate the winding of the winding drum 52.

[0030] The guide mechanism 7 includes a support plate 71, which is fixedly mounted on the upper and lower sides of one side of the inner cavity of the fixed box 2. The inner side of the support plate 71 is rotatably connected to a guide wheel 72 through a bearing seat. A guide groove is provided on the surface of the guide wheel 72. When the first connecting line moves, the guide wheel 72 is driven to rotate. The first connecting line can be guided by the guide wheel 72, which facilitates the winding drum 52 to wind up the first connecting line.

[0031] The connecting plug 4 includes a technical connector 41, which is slidably connected to the inner cavity of the protective shell 3. Support blocks 42 are installed on the top and bottom of the technical connector 41. The outer side of the support block 42 is connected to a slide plate 43. The slide plate 43 is moved to facilitate the removal of the technical connector 41. The top and bottom of the protective shell 3 are provided with a slide groove matching the support block 42. The surface of the support block 42 is slidably connected to the inner cavity of the slide groove, which is convenient for the technical connector 41 to be received into the protective shell 3. A limiting hole is provided on one side of the moving block 62, and a limiting rod 8 is provided in the inner cavity of the limiting hole. The two ends of the limiting rod 8 are fixedly connected to the inner cavity of the fixed box 2. The surface of the limiting rod 8 is slidably connected to the inner cavity of the limiting hole, which can limit the moving block 62 to prevent the moving block 62 from rotating when the threaded rod 61 rotates, thereby playing a limiting role.

[0032] Two indicator lights 9 are provided on the upper surface of the electricity meter body 1, one of which is a positive lamp and the other is a negative lamp. When the user uses the instrument to measure, it can be accurately judged whether the two technical connectors 41 of the user are connected. An opening matching the technical connector 41 is provided at one end of the protective shell 3, and the surface of the technical connector 41 is slidably connected to the inner cavity of the opening, so that the technical connector 41 can be easily put into the protective shell 3.

[0033] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electric quantity measuring instrument, comprising an electric quantity measuring instrument body (1), characterized in that: A fixing box (2) is installed on both sides of the electricity meter body (1); a protective shell (3) is installed at one end of the fixing box (2); a connecting plug (4) is slidably connected to the inner cavity of the protective shell (3); a reeling mechanism (5) for reeling in a wire harness so as to store the wire harness is provided in the inner cavity of the fixing box (2); a positioning mechanism (6) for positioning the wire harness so as to store the wire harness is provided in the inner cavity of the fixing box (2) and at a position corresponding to the reeling mechanism (5); and a guiding mechanism (7) for guiding the wire harness so as to facilitate the reeling mechanism (5) to reel in the wire harness is provided in the inner cavity of the fixing box (2) and at a position corresponding to the wire harness.

2. The electric quantity measuring instrument according to claim 1, characterized in that: The winding mechanism (5) comprises a fixed rod (51), the fixed rod (51) being fixedly mounted on one side of the inner cavity of the fixed box (2), the surface of the fixed rod (51) being rotatably connected to a winding drum (52), the surface of the fixed rod (51) and located in the inner cavity of the winding drum (52) being sleeved with a torsion spring (53), one end of the torsion spring (53) being connected to the surface of the fixed rod (51), and the other end of the torsion spring (53) being connected to the inner wall of the winding drum (52), and the inner cavity of the winding drum (52) being provided with a connecting assembly (54) for electrically connecting a connecting plug (4) to an electric quantity measuring instrument body (1).

3. An electric quantity measuring instrument according to claim 2, characterized in that: The connection assembly (54) comprises an annular connector (541), the annular connector (541) being fixedly mounted on the inner wall of the winding drum (52), a fixed connector (542) being mounted on the surface of the fixed rod (51) and at a position corresponding to the annular connector (541), the surface of the fixed connector (542) being rotatably connected to the inner wall of the annular connector (541), the annular connector (541) being electrically connected to the connection plug (4) via a first connection line, and the fixed connector (542) being electrically connected to the electrical quantity measuring instrument body (1) via a second connection line.

4. The electric quantity measuring instrument according to claim 3, characterized in that: The positioning mechanism (6) comprises a threaded rod (61), a moving block (62) is threadedly connected to the surface of the threaded rod (61), a positioning block (63) is installed on the top of the moving block (62), a positioning hole is opened on the front of the positioning block (63), a driven gear (64) is installed on the surface of the threaded rod (61), a driving gear (65) is installed on the surface of the winding drum (52), and the surface of the driving gear (65) is meshed with the driven gear (64).

5. The electric quantity measuring instrument according to claim 4, characterized in that: The guide mechanism (7) comprises a support plate (71), the support plate (71) being fixedly mounted on the upper and lower sides of one side of the inner cavity of the fixed box (2), the inner side of the support plate (71) being rotatably connected to a guide wheel (72) via a bearing seat, and a guide groove is provided on the surface of the guide wheel (72).

6. The electric quantity measuring instrument according to claim 5, characterized in that: The connecting plug (4) comprises a technical connector (41), the technical connector (41) is slidably connected to the inner cavity of the protective shell (3), support blocks (42) are installed on the top and bottom of the technical connector (41), and a slide plate (43) is connected to the outer side of the support block (42).

7. The electric quantity measuring instrument according to claim 6, characterized in that: The top and bottom of the protective shell (3) are both provided with sliding grooves matching the support block (42), and the surface of the support block (42) is slidably connected to the inner cavity of the sliding groove.

8. The electric quantity measuring instrument according to claim 7, characterized in that: A limiting hole is provided on one side of the moving block (62), a limiting rod (8) is provided in the inner cavity of the limiting hole, two ends of the limiting rod (8) are fixedly connected to the inner cavity of the fixed box (2), and the surface of the limiting rod (8) is slidably connected to the inner cavity of the limiting hole.

9. The electric quantity measuring instrument according to claim 8, characterized in that: Two indicator lights (9) are arranged on the upper surface of the electricity meter body (1), one of the indicator lights (9) is a positive pole positive connection indicator light, and the other indicator light (9) is a negative pole positive connection indicator light.

10. The electric quantity measuring instrument according to claim 9, characterized in that: An opening matching the technical connector (41) is formed at one end of the protective shell (3), and the surface of the technical connector (41) is slidably connected to the inner cavity of the opening.

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