Intelligent weak current detection device

Abstract

The utility model discloses an intelligent weak current detection device which comprises a shell, an instrument body is arranged in the shell, a transverse block is fixedly connected to the back face of the instrument body, protruding blocks are fixedly connected to the four corners of the back face of the inner wall of the shell, the front faces of the protruding blocks penetrate into the transverse block, and clamping blocks are movably connected to the four corners of the back face of the inner wall of the transverse block through rotating shafts. The cover plate rotates clockwise around the hinge, so that the cover plate is separated from the shell, then the pull block moves upwards to drive the movable rod to move upwards, the clamping block rotates towards the inner side around the rotating shaft, the clamping block is separated from the clamping groove, then the instrument body is pulled forwards, the instrument body is separated from the shell, the instrument body is disassembled and protected, and the operation is opposite, so that the instrument body can be protected. The intelligent weak current detection device has the advantage of protection, the stability of the intelligent weak current detection device is improved, meanwhile, the intelligent weak current detection device is prevented from being collided and rubbed by external force, and the intelligent weak current detection device is prevented from being damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of weak current detection, in particular to an intelligent weak current detection device. Background Art

[0002] Weak current generally refers to DC circuits or audio, video lines, network lines, and telephone lines. The AC voltage is generally within 36V. Household appliances such as telephones, computers, and television signal inputs, audio equipment, etc. are all weak current electrical equipment. Conceptually, strong current and weak current are generally easy to distinguish. The main difference is their uses. Strong current is used as a power source, and weak current is used as a signal electricity. Voltage is not a way to distinguish between strong current and weak current. Digital multimeter is one of the most commonly used instruments for measuring weak current signals. It can measure basic parameters such as voltage, current, resistance, capacitance, etc. It can also perform temperature measurement, frequency measurement, etc. When using a digital multimeter, you need to select the appropriate range, connect the positive and negative poles of the meter to the circuit, and read the value on the display.

[0003] A digital multimeter is a kind of intelligent weak-current detection device. Before using a weak-current circuit, in order to ensure the safe use of the weak-current circuit, an intelligent weak-current detection device is needed to detect the weak-current circuit. The patent publication number is CN213689701U. The utility model relates to the field of weak-current detection technology and discloses an intelligent weak-current detection device, including an intelligent weak-current detector body, a digital display screen is fixedly installed on the front of the intelligent weak-current detector body, and the intelligent weak-current detection device is provided with a connection plate, and a number of connection plates are provided inside the two connection plates. There are two movable through-slot holes that are compatible with the connecting screws. Through the movable through-slot holes, the intelligent weak-current detector body can be fixed on the wall inside the weak-current well using expansion screws. At the same time, connecting screws, connecting blocks, left clamps, right clamps, clamp bolts and nuts are arranged. The left clamp and the right clamp are fastened to the pipe inside the weak-current well. The connecting screws are screwed into the inner side of the connecting block from the front side of the connecting plate. The intelligent weak-current detector body can be fixed on the pipe inside the weak-current well, so that the weakness detection device can be installed on the wall and the outside of the pipe, and the mounting surface has strong adaptability.

[0004] The above-mentioned prior art solutions have the following defects: the intelligent weak-current detection device cannot be protected during use, and the intelligent weak-current detection device is easily damaged when it is subjected to external collision and friction. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the purpose of the utility model is to provide an intelligent weak-current detection device, which has the advantage of protection and solves the problem that the intelligent weak-current detection device cannot be protected during use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an intelligent weak-current detection device, comprising a shell, an instrument body is arranged inside the shell, a horizontal block is fixedly connected to the back of the instrument body, the four corners of the back of the inner wall of the shell are fixedly connected to protrusions, the front of the protrusions penetrates into the interior of the horizontal block, the four corners of the back of the inner wall of the horizontal block are movably connected to blocks through a rotating shaft, the top of the block penetrates into the interior of the protrusion, a pull block is arranged inside the horizontal block, the top of the pull block penetrates into the top of the horizontal block, the top and bottom of the front of the pull block are fixedly connected to a movable rod, the surface of the movable rod is slidably connected to the inner wall of the block, the top and bottom of the left side of the shell are movably connected to a cover plate through a hinge, the left side of the back of the cover plate is fixedly connected to a positioning block, and the back of the positioning block penetrates into the interior of the shell.

[0007] As a preferred embodiment of the present invention, a gasket is fixedly connected to the inner wall of the shell, the inner wall of the gasket is in contact with the surface of the instrument body, and anti-collision pads are fixedly connected to the four corners of the shell.

[0008] As a preferred embodiment of the present invention, a transverse hole is provided at the bottom of the shell, and a positioning groove for use with a positioning block is provided at the front of the shell.

[0009] As a preferred embodiment of the utility model, a movable hole for use with a pull block is opened on the top of the shell, and bolts are provided at the four corners of the back of the cross block. The threaded ends of the bolts penetrate through the front of the cross block and are threadedly connected to the back of the instrument body.

[0010] As a preferred embodiment of the utility model, a through hole for use with the protrusion is provided on the back side of the horizontal block, and a clamping groove for use with the clamping block is provided on the surface of the protrusion.

[0011] As a preferred embodiment of the utility model, a spring sheet is fixedly connected to the bottom of the clamping block, and the bottom of the spring sheet is fixedly connected to the inner wall of the horizontal block.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model makes the cover plate rotate clockwise around the hinge to separate the cover plate from the shell, then the pull block moves upward to drive the movable rod to move upward, so that the card block rotates inward around the rotating shaft to separate the card block from the card slot, and then the instrument body is pulled forward to separate the instrument body from the shell and disassemble the instrument body. The protection can be performed by reverse operation. The intelligent weak current detection device has the advantage of protection, improves the stability of the intelligent weak current detection device, and prevents the intelligent weak current detection device from being hit and rubbed by external force, thereby avoiding damage to the intelligent weak current detection device.

[0014] 2. The utility model can reduce the friction between the shell and the instrument body and protect the instrument body by setting the gasket, and can reduce the collision and friction between the shell and other objects by setting the anti-collision pad; the utility model can facilitate the user to charge the instrument body and transmit data by setting the horizontal hole, and can locate the position of the cover plate by the coordinated use of the positioning block and the positioning groove to prevent the cover plate from rotating when it is not needed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 The structural front view and cross section of the middle transverse block;

[0017] Figure 3 For this utility model Figure 2 A magnified view of the structure at center;

[0018] Figure 4 For this utility model Figure 2 Structural stereogram of the middle pull block.

[0019] In the figure: 1, shell; 2, instrument body; 3, horizontal block; 4, clamping block; 5, protrusion; 6, pull block; 7, movable rod; 8, cover plate; 9, positioning block; 10, gasket; 11, anti-collision pad; 12, horizontal hole; 13, positioning groove; 14, movable hole; 15, bolt; 16, through hole; 17, clamping slot; 18, spring piece. DETAILED DESCRIPTION

[0020] 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.

[0021] like Figures 1 to 4As shown, the utility model provides an intelligent weak current detection device, including a shell 1, an instrument body 2 which is a common digital multimeter on the market, an instrument body 2 is arranged inside the shell 1, a cross block 3 is fixedly connected to the back of the instrument body 2, four corners of the back of the inner wall of the shell 1 are fixedly connected with protrusions 5, the front of the protrusion 5 penetrates into the interior of the cross block 3, four corners of the back of the inner wall of the cross block 3 are movably connected with a card block 4 through a rotating shaft, the top of the card block 4 penetrates into the interior of the protrusion 5, a pull block 6 is arranged inside the cross block 3, the top of the pull block 6 penetrates into the top of the cross block 3, the top and bottom of the front of the pull block 6 are fixedly connected with a movable rod 7, the surface of the movable rod 7 is slidably connected to the inner wall of the card block 4, the top and bottom of the left side of the shell 1 are movably connected with a cover plate 8 through a hinge, the left side of the back of the cover plate 8 is fixedly connected with a positioning block 9, and the back of the positioning block 9 penetrates into the interior of the shell 1.

[0022] refer to Figure 1 A gasket 10 is fixedly connected to the inner wall of the shell 1 , the inner wall of the gasket 10 contacts the surface of the instrument body 2 , and anti-collision pads 11 are fixedly connected to the four corners of the shell 1 .

[0023] As a technical optimization solution of the utility model, the provision of the gasket 10 can reduce the friction between the shell 1 and the instrument body 2 and protect the instrument body 2. The provision of the anti-collision pad 11 can reduce the collision and friction between the shell 1 and other objects.

[0024] refer to Figure 1 A transverse hole 12 is provided at the bottom of the housing 1 , and a positioning groove 13 for use with the positioning block 9 is provided at the front of the housing 1 .

[0025] As a technical optimization solution of the utility model, the provision of the transverse hole 12 can facilitate the user to charge the instrument body 2 and transmit data. The coordinated use of the positioning block 9 and the positioning groove 13 can position the cover 8 to prevent the cover 8 from rotating when it is not needed.

[0026] refer to Figure 1 The top of the shell 1 is provided with an active hole 14 for use with the pull block 6, and bolts 15 are provided at the four corners of the back of the cross block 3. The threaded ends of the bolts 15 penetrate through the front of the cross block 3 and are threadedly connected to the back of the instrument body 2.

[0027] As a technical optimization solution of the present invention, the friction between the pull block 6 and the housing 1 can be reduced by setting the movable hole 14 , and the horizontal block 3 can be prevented from being separated from the instrument body 2 by setting the bolt 15 .

[0028] refer to Figure 1 The back of the horizontal block 3 is provided with a through hole 16 for use with the protrusion 5 , and the surface of the protrusion 5 is provided with a card slot 17 for use with the card block 4 .

[0029] As a technical optimization solution of the utility model, the position of the shell 1 can be limited by the coordinated use of the protrusion 5 and the through hole 16, and the position of the instrument body 2 and the cross block 3 can be fixed by the coordinated use of the clamping block 4 and the clamping groove 17 to prevent the instrument body 2 from detaching from the shell 1.

[0030] refer to Figure 2 The bottom of the clamping block 4 is fixedly connected with a spring piece 18 , and the bottom of the spring piece 18 is fixedly connected to the inner wall of the cross block 3 .

[0031] As a technical optimization solution of the present invention, the position of the clamping block 4 can be limited by setting the spring piece 18, and the clamping block 4 and the pulling block 6 can be easily reset.

[0032] The working principle and use process of the utility model are as follows: when in use, the user pulls the cover plate 8 forward to make the cover plate 8 rotate clockwise around the hinge to separate the cover plate 8 from the shell 1, and then the user pulls the pull block 6 upward, the pull block 6 moves upward to drive the movable rod 7 to move upward, the movable rod 7 moves upward to drive the card block 4 to rotate inward around the rotating shaft to separate the card block 4 from the card slot 17, and then pulls the instrument body 2 forward to make the protrusion 5 separate from the through hole 16, so that the instrument body 2 is separated from the shell 1, and the instrument body 2 can be disassembled at this time, and the protection operation can be reversed to protect the instrument body 2 through the shell 1 and the cover plate 8.

[0033] To sum up: the intelligent weak-current detection device, through the coordinated use of the shell 1, the instrument body 2, the cross block 3, the card block 4, the protrusion 5, the pull block 6, the movable rod 7, the cover plate 8 and the positioning block 9, solves the problem that the intelligent weak-current detection device cannot be protected during use, and the intelligent weak-current detection device is easily damaged when subjected to external force collision and friction.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although 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 intelligent weak current detection device, comprising a housing (1), characterized in that: An instrument body (2) is arranged inside the shell (1), a transverse block (3) is fixedly connected to the back of the instrument body (2), protrusions (5) are fixedly connected to the four corners of the back of the inner wall of the shell (1), the front of the protrusions (5) penetrates into the interior of the transverse block (3), the four corners of the back of the inner wall of the transverse block (3) are movably connected to clamping blocks (4) through rotating shafts, the top of the clamping block (4) penetrates into the interior of the protrusion (5), a pulling block (6) is arranged inside the transverse block (3), the top of the pulling block (6) penetrates into the top of the transverse block (3), the top and bottom of the front of the pulling block (6) are fixedly connected to movable rods (7), the surface of the movable rod (7) is slidably connected to the inner wall of the clamping block (4), the top and bottom of the left side of the shell (1) are movably connected to a cover plate (8) through hinges, the left side of the back of the cover plate (8) is fixedly connected to a positioning block (9), the back of the positioning block (9) penetrates into the interior of the shell (1).

2. The intelligent weak current detection device according to claim 1, characterized in that: A gasket (10) is fixedly connected to the inner wall of the shell (1), the inner wall of the gasket (10) is in contact with the surface of the instrument body (2), and anti-collision pads (11) are fixedly connected to the four corners of the shell (1).

3. The intelligent weak current detection device according to claim 1, characterized in that: The bottom of the shell (1) is provided with a transverse hole (12), and the front of the shell (1) is provided with a positioning groove (13) for use with a positioning block (9).

4. The intelligent weak current detection device according to claim 1, characterized in that: The top of the shell (1) is provided with an active hole (14) for use with the pull block (6), and bolts (15) are provided at the four corners of the back of the cross block (3). The threaded ends of the bolts (15) penetrate through the front of the cross block (3) and are threadedly connected to the back of the instrument body (2).

5. The intelligent weak current detection device according to claim 1, characterized in that: The back side of the transverse block (3) is provided with a through hole (16) for use in conjunction with the protrusion (5), and the surface of the protrusion (5) is provided with a card slot (17) for use in conjunction with the card block (4).

6. The intelligent weak current detection device according to claim 1, characterized in that: The bottom of the clamping block (4) is fixedly connected with a spring sheet (18), and the bottom of the spring sheet (18) is fixedly connected to the inner wall of the transverse block (3).

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