Safety type anti-electric shock universal meter

Abstract

The utility model relates to the field of universal meter design, and discloses a safety type anti-electric shock universal meter, which comprises a universal meter main body, a universal meter shell and a rear hinged base movably connected with the universal meter shell, and is characterized in that the universal meter main body is a detection display and adjustment setting shell; the universal meter main body is matched with the universal meter shell to form a closed shell for limiting installation of a detection element, and the rear end of the universal meter shell is arranged on the rear hinge base through a connecting assembly. According to the utility model, the connection angle between the universal meter and the rear hinge base can be changed, the rear hinge base can be conveniently rotated out from the rear end of the universal meter and placed at a related position, the traditional holding mode that the universal meter needs to be held by hand or is not stable is changed, and the potential safety hazard caused by abnormal current or voltage can be avoided; and an adjustable insulating protective sleeve is arranged on the detection meter pen, so that the conductive structure is effectively prevented from being in contact with detection personnel, and the detection and use safety of the universal meter is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the design technical field of multimeter, specifically, relates to a safe anti-electric shock multimeter. BACKGROUND

[0002] Power detection refers to the test, verification, detection and acceptance of power production and power grid operation, which provides reliable guarantee for the safety and reliability of power operation. In order to detect and display the resistance, ac and dc voltage and other data of the object, a multimeter is used to detect the power of the object. However, in the use process of the existing multimeter, it is usually necessary to hold the multimeter by hand or place the multimeter on the table surface at will, and the probe is in contact with the object to be detected. When a small current passes through the meter head, current indication will occur, so as to measure the current, voltage and resistance in the circuit. However, in the use process of the existing multimeter, the hand of the worker directly contacts the probe, so that electric shock is easy to occur when the measured current is too large, and the large current or voltage is easy to cause serious consequences of damaging the multimeter. Therefore, a safe anti-electric shock multimeter is proposed. SUMMARY

[0003] (I) Technical problem to be solved

[0004] In order to solve at least one aspect of the above problems, the utility model provides a safe anti-electric shock multimeter, which can be placed independently, and the detection probe provided with a protection device is used to complete the detection operation, so as to improve the use safety of the multimeter.

[0005] (II) Technical scheme

[0006] In order to solve the technical problem, the utility model provides a safe anti-electric shock multimeter, which comprises a multimeter main body, a multimeter shell and a rear hinged base movably connected with the multimeter shell. The multimeter main body is provided with a detection display and adjustment setting shell. The multimeter main body and the multimeter shell form a closed shell for limiting the installation of detection elements. The rear end of the multimeter shell is provided on the rear hinged base through a connecting assembly. The rear hinged base is rotated and placed on a plane, so as to support the whole multimeter assembly and facilitate the detection personnel to detect the related devices to be detected by using both hands.

[0007] Further, the rear hinged base is provided with a containing groove, two groups of grounding wires are arranged in the containing groove, the rear hinged base is provided with a rotating groove at the other end of the containing groove, a rotating pin is arranged in the rotating groove, the rotating pin is provided with a connecting shaft through a rotating shaft, a rotating frame is arranged on the connecting shaft, and a connecting frame is arranged at the front end of the rotating frame.

[0008] Further, the top of the multimeter shell is provided with a display panel, the bottom of the display panel is provided with a plurality of working selection keys, the bottom of the working selection keys is provided with a selection knob, and the bottom of the selection knob is provided with a plurality of groups of detection plug-in ports.

[0009] Further, the top of the multimeter shell is provided with a display panel, the bottom of the display panel is provided with a plurality of working selection keys, the bottom of the working selection keys is provided with a selection knob, and the bottom of the selection knob is provided with a plurality of groups of detection plug-in ports.

[0010] Further, the top of the multimeter shell is provided with a display panel, the bottom of the display panel is provided with a plurality of working selection keys, the bottom of the working selection keys is provided with a selection knob, and the bottom of the selection knob is provided with a plurality of groups of detection plug-in ports.

[0011] Further, the top of the multimeter shell is provided with a display panel, the bottom of the display panel is provided with a plurality of working selection keys, the bottom of the working selection keys is provided with a selection knob, and the bottom of the selection knob is provided with a plurality of groups of detection plug-in ports.

[0012] Further, the top of the multimeter shell is provided with a display panel, the bottom of the display panel is provided with a plurality of working selection keys, the bottom of the working selection keys is provided with a selection knob, and the bottom of the selection knob is provided with a plurality of groups of detection plug-in ports.

[0013] (Three) beneficial effects

[0014] The utility model provides a safe anti -electric shock multimeter, which is provided with a rear hinge base and a steering hinge device at the rear end of the multimeter shell, so that the connection angle of the multimeter and the rear hinge base can be changed, the rear hinge base can be easily turned out from the rear end of the multimeter and placed at a relevant position, the multimeter can be stood up, both hands can be easily pinched to hold two groups of probes to directly complete relevant detection, the traditional mode of holding by hand or unstable placement can be changed, and the safety hazard caused by abnormal current or voltage can be avoided; an adjustable insulation protective sleeve is arranged on the detection probe, the setting position of the insulation protective sleeve can be adjusted according to the use requirement, the detection end is wrapped by the rubber sleeve, the contact between the conductive structure and the detection personnel can be effectively avoided, and the detection and use safety of the multimeter is improved. ACCURACY OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of the anti -electric shock multimeter of the utility model embodiment;

[0016] Figure 2 It is a structure schematic view of the anti -electric shock multimeter of the utility model embodiment;

[0017] Figure 3 Structure diagram of the rear hinged base of the electric shock prevention multimeter according to the embodiment of the present application is shown in the figure.

[0018] Figure 4 Structure diagram of the negative electrode probe of the electric shock prevention multimeter according to the embodiment of the present application is shown in the figure.

[0019] Explanation of reference signs:

[0020] 1 is the main body of the multimeter, 2 is the display panel, 3 is the working selection key, 4 is the selection knob, 5 is the detection plug-in port, 6 is the first detection wire, 7 is the negative electrode probe, 71 is the negative electrode detection end, 72 is the first extension column, 73 is the first rubber sleeve, 74 is the first limiting frame, 75 is the first moving connection column, 76 is the first connecting sleeve, 77 is the first insulation protection sleeve, 78 is the first anti-dropping fixing pin, 8 is the second detection wire, 9 is the positive electrode probe, 10 is the multimeter shell, 11 is the rear hinged base, 12 is the accommodating groove, 13 is the grounding wire, 14 is the rotating frame, 15 is the connecting frame, 16 is the connecting shaft, 17 is the rotating pin, and 18 is the rotating shaft. Specific implementation

[0021] In order to make the above-mentioned purpose, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0022] The coordinate system XYZ is provided in the drawings of the embodiment of the present application, wherein the positive direction of the X axis represents the left direction, the reverse direction of the X axis represents the right direction, the positive direction of the Y axis represents the front direction, the reverse direction of the Y axis represents the rear direction, the positive direction of the Z axis represents the upper direction, and the reverse direction of the Z axis represents the lower direction.

[0023] Reference is made to Figures 1 to 4The utility model discloses a safe anti-electric shock multimeter, including multimeter main body 1, multimeter casing 10 and with multimeter casing 10 swing joint base 11 of post, multimeter main body 1 is set to detect display and adjust setting casing, multimeter main body 1 cooperation multimeter casing 10 constitutes the closed casing of detection element limited installation, the rear end of multimeter casing 10 is set on swing joint base 11 through connecting assembly, rotates swing joint base 11 and places on the plane, can support the whole assembly of multimeter, facilitate the detection personnel to utilize both hands directly to the relevant device to be detected and carry out detection, when multimeter is in idle state, swing joint base 11 is folded and is placed in parallel at the bottom of multimeter casing 10, does not produce the support placement effect of multimeter, when needing using multimeter, the outer end of swing joint base 11 is broken, so that swing joint base 11 and multimeter casing 10 form certain support angle, place swing joint base 11 at the appropriate position, make the gravity center of multimeter be on swing joint base 11, guarantee the support stability of swing joint base 11 to the placement of multimeter, after the detection of multimeter is completed, swing joint base 11 is broken to the bottom of multimeter casing 10 in reverse, can realize the storage processing of multimeter to swing joint base 11.

[0024] The magnet piece can be arranged at the bottom of the swing joint base 11, so that the stability of the multimeter placed on the metal plane is improved.

[0025] Referring to Figure 3 The swing joint base 11 is provided with a containing groove 12, two groups of grounding wires 13 are arranged in the containing groove 12, the swing joint base 11 is provided with a rotating groove at the other end of the containing groove 12, a rotating pin 17 is arranged in the rotating groove, the rotating pin 17 is provided with a connecting shaft 16 through a rotating shaft 18, the connecting shaft 16 is provided with a rotating frame 14, the connecting shaft 16 and the rotating frame 14 are designed as a whole, the setting angle of the connecting frame 15 can be changed through the angle adjustment of the connecting shaft 16 and the rotating pin 17, the connecting frame 15 is fixed to the multimeter casing 10 through a specific mounting piece and a connecting stud, that is, the multimeter casing 10 can change the setting angle with the swing joint base 11 together with the rotating frame 14, the swing joint base 11 is fixed to the rotating pin 17 through the setting of the rotating groove, and the rotating shaft 18 is provided with a setting and rotating space, the rotating pin 17 is connected to the connecting shaft 16, when the swing joint base 11 is broken, the rotating pin 17 changes the setting angle on the rotating shaft 18 together with the swing joint base 11, so that the swing joint base 11 is turned out from the rear end of the multimeter casing 10, the support adjustment of the swing joint base 11 to the multimeter casing 10 is established, the grounding wires 13 are arranged, the swing joint base 11 and the placement plane are connected, the abnormal current is avoided to be introduced into the placement plane, and the detection safety is improved.

[0026] Referring to Figure 1 andFigure 2 The top of the multimeter shell 10 is provided with a display panel 2, the bottom of the display panel 2 is provided with a plurality of working selection keys 3, the bottom of the working selection keys 3 is provided with a selection knob 4, the bottom of the selection knob 4 is provided with a plurality of detection plug-in ports 5, the display panel 2 is arranged to display detection indicators and detection data, the working selection keys 3 are arranged to make relevant adjustments in cooperation with detection work, the selection knob 4 is arranged to rotate to select detection targets and detection ranges, and the plurality of detection plug-in ports 5 are arranged to be connected with the first detection wire 6 and the second detection wire 8 according to specific detection requirements, so as to realize the function of electrical detection using the multimeter.

[0027] The multimeter shell 10 is connected with the first detection wire 6 and the second detection wire 8 through the detection plug-in port 5, the outer end of the first detection wire 6 is provided with a negative electrode probe 7, and the outer end of the second detection wire 8 is provided with a positive electrode probe 9, the first detection wire 6 is connected with the negative electrode of the to-be-detected device in cooperation with the negative electrode probe 7, and the second detection wire 8 is connected with the positive electrode of the to-be-detected device in cooperation with the positive electrode probe 9, the negative electrode probe 7, the positive electrode probe 9 and the detection element and the to-be-detected device form a complete connection circuit, so as to facilitate the generation of an electrical signal to provide a detection basis for the multimeter.

[0028] Referring to Figure 4 The connection between the negative electrode probe 7 and the first detection wire 6 is provided with a first anti-dropping fixing pin 78, the other end of the first anti-dropping fixing pin 78 is provided with a first movable connecting column 75, the other end of the first movable connecting column 75 is provided with a first limiting frame 74, the other end of the first limiting frame 74 is provided with a first extension column 72, the outer end of the first extension column 72 is provided with a first rubber sleeve 73, and the other end of the first extension column 72 is provided with a negative electrode detection end 71, the outer end of the first detection wire 6 is fixedly connected with the negative electrode probe 7 through the first anti-dropping fixing pin 78, the negative electrode detection end 71 is used as an electrical contact detection device for the negative electrode probe 7, and an insulating protective device is arranged outside the negative electrode detection end 71 to realize insulation protection, which can effectively ensure the installation firmness of the negative electrode detection end 71 and ensure the personal safety of the staff during the detection work, the negative electrode detection end 71 extends the length of the detection device through the first extension column 72, so that the negative electrode probe 7 is suitable for electrical detection of hidden components, the first extension column 72 is provided with the first rubber sleeve 73 outside to realize limiting installation and provide insulation protection, so as to ensure the safety of the first extension column 72, the first limiting frame 74 is arranged to limit the movement of the first insulating protective sleeve 77, so as to avoid the first insulating protective sleeve 77 from being separated from the first extension column 72.

[0029] The first mobile connecting column 75 is provided with a rubber spiral column, the first mobile connecting column 75 is provided with a first insulation protective sleeve 77, the first insulation protective sleeve 77 is provided with a first connecting sleeve 76, the inner wall of the first connecting sleeve 76 is provided with an inner spiral wall which is screwed with the rubber spiral column, the first connecting sleeve 76 is screwed with the rubber spiral column through the inner spiral wall, the position of the first insulation protective sleeve 77 on the first mobile connecting column 75 can be changed, and the detection personnel can adjust the setting position of the first insulation protective sleeve 77 on the first mobile connecting column 75 according to the detection scene and the use habit of the detection personnel, so that the negative electrode probe 7 is convenient to take and perform electrical detection work.

[0030] The positive electrode probe 9 is provided with a second anti-dropping fixing pin at the connection position of the second detection electric wire 8, the other end of the second anti-dropping fixing pin is provided with a second mobile connecting column, the second mobile connecting column is provided with a second insulation protective sleeve, the second insulation protective sleeve is provided with a second connecting sleeve, the other end of the second mobile connecting column is provided with a second limiting frame, the other end of the second limiting frame is provided with a second extension column, the outer end of the second extension column is provided with a second rubber sleeve, and the other end of the second extension column is provided with a positive electrode detection end. The outer end of the second detection electric wire 8 is fixed with the positive electrode probe 9 through the second anti-dropping fixing pin, the positive electrode detection end is used as an electrical contact detection device, and an insulation protection device is arranged outside the positive electrode detection end to realize insulation protection, so that the installation firmness of the positive electrode detection end can be effectively ensured, and the personal safety of the detection personnel during the detection work can be ensured. The length of the detection device of the positive electrode detection end is extended through the second extension column, so that the positive electrode probe 9 is suitable for electrical detection of hidden components. The second rubber sleeve is arranged at the outer end of the second extension column to realize limiting installation and provide insulation protection, so that the use safety of the second extension column can be ensured. The second limiting frame is arranged to limit the movement of the second insulation protective sleeve, so that the second insulation protective sleeve cannot be taken off from the second extension column. The position of the second insulation protective sleeve on the second mobile connecting column can be changed, and the detection personnel can adjust the setting position of the second insulation protective sleeve on the second mobile connecting column according to the detection scene and the use habit of the detection personnel, so that the positive electrode probe 9 is convenient to take and cooperate with the negative electrode probe 7 to perform electrical detection work.

[0031] The second detection electric wire 8 is provided with a MOV voltage-dependent resistor protection circuit, and the MOV voltage-dependent resistor protection circuit is provided with a self-restoring fuse in parallel. The MOV voltage-dependent resistor protection circuit can avoid damage to the circuit caused by instantaneous voltage, and the self-restoring fuse can protect the circuit and electronic devices when abnormal current passes through the circuit, so that the safety hidden danger existing during the use of the multimeter can be avoided, and the use safety of the multimeter can be ensured.

[0032] The utility model discloses a safe anti -electric shock multimeter which is provided with a rear hinge base 11 and a steering hinge device at the rear end of the multimeter shell 10. The rear hinge base 11 can be pulled out from the rear end of the multimeter shell 10, and the multimeter can be placed at a relevant position. The multimeter can be stood up, and the two sets of test probes can be held by both hands to complete relevant detection. The traditional mode of holding by hand or unstable placement can be changed, and the safety hazard caused by abnormal current or voltage can be avoided. The two sets of test probes are connected to the relevant detection plug-in port 5, and the tester holds the negative test probe 7 and the positive test probe 9 by the first insulation protective sleeve 77 and the second insulation protective sleeve respectively. The device to be detected can be tested for electricity, and the two sets of insulation protective sleeves can effectively realize insulation protection and avoid the safety hazard caused by leakage at the detection end.

[0033] Although the present disclosure is disclosed as above, the protection scope of the present disclosure is not limited to this. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and these changes and modifications shall fall within the protection scope of the present disclosure.

Claims

1. A safety type shockproof multimeter, characterized in that, Including the multimeter body (1), the multimeter shell (10) and the rear hinged base (11) connected with the multimeter shell (10), the multimeter body (1) is set to detect display and adjustment setting shell, the multimeter body (1) cooperates with the multimeter shell (10) to form a closed type shell for limiting installation of detection elements, the rear end of the multimeter shell (10) is arranged on the rear hinged base (11) through a connecting assembly, the rear hinged base (11) is rotated and placed on a plane, and the whole multimeter assembly can be supported, so that the detection personnel can directly detect the related device to be detected with both hands.

2. A safety type shock proof multimeter according to claim 1, wherein, The rear hinged base (11) is provided with a containing groove (12), two groups of grounding wires (13) are arranged in the containing groove (12), the rear hinged base (11) is provided with a rotating groove at the other end of the containing groove (12), a rotating pin (17) is arranged in the rotating groove, the rotating pin (17) is provided with a connecting shaft (16) through a rotating shaft (18), and a rotating frame (14) is arranged on the connecting shaft (16). The front end of the rotating frame (14) is provided with a connecting frame (15).

3. The safety type shockproof multimeter according to claim 1, wherein, The top of the multimeter shell (10) is provided with a display panel (2), the bottom of the display panel (2) is provided with a plurality of working selection keys (3), the bottom of the working selection key (3) is provided with a selection knob (4), and the bottom of the selection knob (4) is provided with a plurality of detection plug-in ports (5).

4. The safety type shock proof multimeter as claimed in claim 3, wherein, The multimeter shell (10) is connected with a first detection wire (6) and a second detection wire (8) through the detection plug-in port (5), the outer end of the first detection wire (6) is provided with a negative electrode probe (7), and the outer end of the second detection wire (8) is provided with a positive electrode probe (9).

5. The safety type shock proof multimeter as claimed in claim 4, wherein, The first anti-dropping fixing pin (78) is arranged at the connection position of the negative electrode probe (7) and the first detection wire (6), the other end of the first anti-dropping fixing pin (78) is provided with a first movable connecting column (75), the other end of the first movable connecting column (75) is provided with a first limiting frame (74), the other end of the first limiting frame (74) is provided with a first extension column (72), the outer end of the first extension column (72) is provided with a first rubber sleeve (73), and the other end of the first extension column (72) is provided with a negative electrode detection end (71).

6. A safety type shock proof multimeter according to claim 5, wherein, The surface of the first movable connecting column (75) is provided with a rubber spiral column, the first movable connecting column (75) is provided with a first insulating protective sleeve (77), the first insulating protective sleeve (77) is provided with a first connecting sleeve (76), and the inner wall of the first connecting sleeve (76) is provided with an inner spiral wall which is screwed with the rubber spiral column.

7. The safety type shock proof multimeter as claimed in claim 4, wherein, The second detection wire (8) is provided with a MOV voltage-dependent resistor protection circuit, and the MOV voltage-dependent resistor protection circuit is provided with a self-restoring fuse in parallel.

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