Flexible and convenient insulation resistance tester

Abstract

The utility model discloses a flexible and convenient insulation resistance tester, which comprises a tester body, a display screen, a control button and a wiring port are respectively arranged on the surface of the tester body, an operation area and a counterweight area are respectively formed at two ends of the surface of the tester body, and the display screen, the control button and the wiring port are all arranged in the operation area. A drop rope is connected to the tester body on one side of the operation area, a mounting groove located in the surface of the tester body is formed in the balance weight area, a plurality of balance weight pieces are connected in the mounting groove in a buckled mode, a cover plate attached to the surface of the tester body is arranged outside the balance weight pieces, and fixing screws and pressing rods are connected to the periphery of the cover plate respectively; the cover plate and the tester body are connected with each other through fixing screws. According to the utility model, the possibility that the resistance tester collides with external facilities to cause damage can be reduced.

Description

Technical Field

[0001] This utility model relates to a handheld resistance tester, and more particularly to a flexible and convenient insulation resistance tester. Background Technology

[0002] Workers at pumped-storage power stations often need to use handheld resistance testers to inspect electronic equipment during maintenance or repair. However, the working environment of pumped-storage power stations results in relatively narrow testing spaces and passageways. Workers also need to constantly climb and avoid obstacles during the testing process. Furthermore, the fragile parts of conventional resistance testers, such as the display screen, wiring ports, and control buttons, are located on the outer surface of the instrument. This often leads to collisions between these fragile parts and external equipment during climbing and testing, causing damage and affecting the stability and lifespan of the resistance tester.

[0003] On the other hand, to facilitate climbing and manual operation while carrying the resistance tester, a wrist strap is attached to the outside of the device. This allows the worker to hang the tester on their wrist when using both hands, facilitating flexible operation and preventing accidental drops. However, this carrying method has a drawback: when the operator swings their arm, the resistance tester will sway at the wrist, increasing the possibility of collisions with external equipment and making it difficult to achieve its protective effect.

[0004] Therefore, existing handheld resistance testers are prone to collisions with external facilities during use. Utility Model Content

[0005] The purpose of this invention is to provide a flexible and convenient insulation resistance tester. It can reduce the possibility of damage to the resistance tester caused by collisions with external facilities.

[0006] The technical solution of this utility model is as follows: A flexible and convenient insulation resistance tester includes a tester body. The surface of the tester body is provided with a display screen, control buttons, and wiring ports. An operation area and a counterweight area are formed at both ends of the surface of the tester body. The display screen, control buttons, and wiring ports are all located in the operation area. A safety rope is connected to the tester body on one side of the operation area. The counterweight area is provided with a mounting groove on the surface of the tester body. Several counterweight pieces are fastened and connected in the mounting groove. A cover plate is provided on the outside of the counterweight pieces and fits against the surface of the tester body. Fixing screws and clamping rods are connected around the cover plate. The cover plate and the tester body are connected to each other by fixing screws. One end of the clamping rod is fixedly connected to the cover plate, and the other end of the clamping rod extends to the inside of the cover plate and is used to clamp and limit the counterweight pieces.

[0007] In the aforementioned flexible and convenient insulation resistance tester, mounting strips for threaded connection and fixing screws are formed on the tester body at both ends of the mounting groove.

[0008] The aforementioned flexible and convenient insulation resistance tester also includes a limiting plate located in the mounting groove. The limiting plate has vertical columns at both ends. The upper end of the column extends to the top of the counterweight and is threaded with a fixing nut. The bottom surface of the fixing nut and the upper counterweight fit together. The top of the column is fastened to the bottom of the clamping rod.

[0009] In the aforementioned flexible and convenient insulation resistance tester, the counterweight plate has several openings distributed around its perimeter for fastening the mounting strip and for the column to pass through.

[0010] In the aforementioned flexible and convenient insulation resistance tester, the tester body has a first rope groove on the side wall at the end away from the counterweight area, and one end of the safety rope is tied in the first rope groove.

[0011] Compared with the prior art, this utility model has the following characteristics:

[0012] (1) By installing a counterweight in the counterweight area of ​​the tester body, the counterweight area can naturally hang down when the tester body is suspended, while the operating area, which is equipped with a display screen, control buttons and wiring ports, can be located at the upper part of the tester body and closer to the wrist. This makes the swing range of the operating area smaller than that of the counterweight area when the tester body swings with the operation of the operator, and less likely to collide with external facilities, thereby improving the service life of the tester body. On the other hand, the counterweight can also increase the weight of the tester body, thereby reducing the swing amplitude of the tester body and allowing the tester body to return to the hanging state more quickly after swinging, further reducing the possibility of the tester body colliding with the outside.

[0013] (2) Based on the above, the structure of the counterweight plate and the cover plate allows the operator to control the counterweight of the tester body by increasing or decreasing the number of counterweight plates, thereby improving the operator's comfort while ensuring the counterweight effect; furthermore, the structure of the clamping rod and the limiting plate allows the cover plate to limit different numbers of counterweight plates in the mounting groove, thereby improving the limiting effect of this utility model.

[0014] Therefore, this invention can reduce the possibility of damage caused by the resistance tester colliding with external facilities. Attached Figure Description

[0015] Figure 1 This is the outline drawing of this utility model;

[0016] Figure 2 This is a schematic diagram of the installation of the counterweight plate in Example 1;

[0017] Figure 3 This is a top view of the counterweight area in Example 1;

[0018] Figure 4 This is a schematic diagram of the installation of the counterweight in Example 2;

[0019] Figure 5 This is a top view of the counterweight area in Embodiment 2;

[0020] Figure 6 This is a top view of the counterweight area in Example 3.

[0021] The markings in the attached diagram are as follows: 1-Tester body, 2-Display screen, 3-Control button, 4-Wiring port, 5-Safety rope, 6-Mounting slot, 7-Counterweight plate, 8-Cover plate, 9-Fixing screw, 10-Pressure rod, 11-Limit plate, 12-Fixing nut, 101-Operating area, 102-Counterweight area, 103-Mounting strip, 701-Opening. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments, but this should not be construed as limiting the present invention.

[0023] Example 1. A flexible and convenient insulation resistance tester, configured as follows: Figure 1-3 As shown, the device includes a testing instrument body 1. The surface of the testing instrument body 1 is provided with a display screen 2, control buttons 3, and wiring ports 4. An operating area 101 and a counterweight area 102 are formed at both ends of the surface of the testing instrument body 1. The display screen 2, control buttons 3, and wiring ports 4 are all located within the operating area 101. A safety rope 5, which can be a ball-headed elastic rope, is connected to one side of the testing instrument body 1 within the operating area 101. The counterweight area 102 has a mounting groove 6 located on the surface of the testing instrument body 1. Several counterweights 7 are fastened together in the mounting groove 6. The counterweights 7 are covered with a cover plate 8 that fits against the surface of the tester body 1. Fixing screws 9 and clamping rods 10 are connected around the cover plate 8. The fixing screws 9 and clamping rods 10 are arranged in a ring around the cover plate 8 and are staggered. The cover plate 8 and the tester body 1 are connected to each other by fixing screws 9. The clamping rods 10 and the cover plate 8 are integrally formed. The lower end of the clamping rods 10 extends to the inside of the cover plate 8 and is used to clamp and limit the counterweights 7.

[0024] Mounting strips 103 for threaded connection and fixing screws 9 are formed on the tester body 1 at both ends of the mounting groove 6.

[0025] The counterweight 7 has several openings 701 distributed around its four edges for fastening and connecting the mounting strip 103.

[0026] The tester body 1 has a first rope groove on the side wall away from the counterweight area 102, and one end of the slip rope 5 is tied in the first rope groove.

[0027] The working principle of this utility model is as follows: Through the structural cooperation of the counterweight 7 and the cover plate 8, the tester body 1 can form a state where one end is light and the other end is heavy after the counterweight 7 is installed. Thus, when the operator puts the tester body 1 on his wrist with the safety rope 5, one end of the counterweight area 102 of the tester body 1 can be kept in a vertically downward state. This reduces the swaying amplitude of the operating area 101 and allows the tester body 1 to return to the downward state more quickly after swinging, thereby reducing the possibility of the vulnerable parts of the operating area 101 colliding with the outside.

[0028] If the resistance tester is not damaged by impact, the staff can open the cover 8 and take out the counterweight 7 to reduce the weight of the resistance tester and make it easier for the staff to carry.

[0029] Example 2. A flexible and convenient insulation resistance tester, configured as follows: Figure 1 , 4 As shown in Figure 5, the device includes a testing instrument body 1. The surface of the testing instrument body 1 is provided with a display screen 2, control buttons 3, and wiring ports 4. An operating area 101 and a counterweight area 102 are formed at both ends of the surface of the testing instrument body 1. The display screen 2, control buttons 3, and wiring ports 4 are all located within the operating area 101. A safety rope 5 is connected to one side of the testing instrument body 1 on one side of the operating area 101. The safety rope 5 can be a ball-headed elastic rope. The counterweight area 102 has a mounting groove located on the surface of the testing instrument body 1. 6. Several counterweight plates 7 are fastened together in the mounting groove 6. The counterweight plates 7 are provided with a cover plate 8 that fits against the surface of the tester body 1. Fixing screws 9 and clamping rods 10 are connected around the cover plate 8. The fixing screws 9 and clamping rods 10 are distributed in a ring around the cover plate 8 and are staggered with each other. The cover plate 8 and the tester body 1 are connected to each other by fixing screws 9. The clamping rods 10 and the cover plate 8 are integrally formed. The lower end of the clamping rods 10 extends to the inner side of the cover plate 8 and is used to clamp and limit the counterweight plates 7.

[0030] Mounting strips 103 for threaded connection and fixing screws 9 are formed on the tester body 1 at both ends of the mounting groove 6.

[0031] It also includes a limiting piece 11 located in the mounting groove 6. The two ends of the limiting piece 11 are provided with vertical columns. The upper end of the column extends to the top of the counterweight piece 7 and is threadedly connected to a fixing nut 12. After the fixing nut 12 is tightened, it presses the lower counterweight piece 7 through a washer. The bottom surface of the fixing nut 12 and the upper counterweight piece 7 are in contact with each other. The top of the column is fastened to the bottom of the clamping rod 10.

[0032] The limiting plate 11 is located in the middle of the mounting slot 6. The counterweight plate 7 below the limiting plate 11 is the basic counterweight and does not need to be adjusted. The counterweight plate above the limiting plate 11 is a flexible counterweight, which can be added or removed according to the user's needs.

[0033] The counterweight plate 7 has several openings 701 distributed around its four edges for fastening and connecting the mounting strip 103 and for the column to pass through.

[0034] The tester body 1 has a first rope groove on the side wall away from the counterweight area 102, and one end of the slip rope 5 is tied in the first rope groove.

[0035] Compared to Embodiment 1, this embodiment utilizes the structural cooperation between the cover plate 8 and the limiting plate 11 to stably place the limiting plate 11 within the mounting groove 6. The cover plate 8 and the fixing nut 12 further limit the counterweight plates 7 on both the upper and lower sides of the limiting plate 11. This cooperation allows the limiting plate 11 to limit different numbers of counterweight plates 7 within the mounting groove 6, enabling workers to flexibly adjust the counterweight weight and improving its applicability.

[0036] Example 3. A flexible and convenient insulation resistance tester, configured as follows: Figure 1 and 6 As shown, the instrument includes a testing instrument body 1. The surface of the testing instrument body 1 is provided with a display screen 2, control buttons 3, and wiring ports 4. An operation area 101 and a counterweight area 102 are formed at both ends of the surface of the testing instrument body 1. The display screen 2, control buttons 3, and wiring ports 4 are all located in the operation area 101. A safety rope 5 is connected to the testing instrument body 1 on one side of the operation area 101. The safety rope 5 can be a ball-head elastic rope. The counterweight area 102 is provided with a mounting groove 6 located on the surface of the testing instrument body 1. Several counterweight pieces 7 are fastened and connected in the mounting groove 6. A cover plate 8 is provided on the outside of the counterweight pieces 7 and is attached to the surface of the testing instrument body 1. Fixing screws 9 are connected around the cover plate 8. A clamping rod 10 is connected to the middle of the cover plate 8. The cover plate 8 and the testing instrument body 1 are connected to each other by fixing screws 9. The clamping rod 10 and the cover plate 8 are integrally formed.

[0037] It also includes a limiting piece 11 located in the mounting groove 6. The limiting piece 11 has a vertical column in the middle. The upper end of the column extends to the top of the counterweight piece 7 and is threadedly connected to a fixing nut 12. After the fixing nut 12 is tightened, it presses the lower counterweight piece 7 through a washer. The bottom surface of the fixing nut 12 and the upper counterweight piece 7 are in contact with each other. The top of the column is fastened to the bottom of the clamping rod 10. The counterweight piece 7 has a round hole in the middle for the column to pass through.

[0038] The limiting plate 11 is located in the middle of the mounting slot 6. The counterweight plate 7 below the limiting plate 11 is the basic counterweight and does not need to be adjusted. The counterweight plate above the limiting plate 11 is a flexible counterweight, which can be added or removed according to the user's needs.

[0039] The tester body 1 has a first rope groove on the side wall away from the counterweight area 102, and one end of the slip rope 5 is tied in the first rope groove.

[0040] Compared to Embodiment 2, this embodiment removes the mounting strip 103 on the tester body 1 and the opening 701 on the counterweight 7, while still achieving the function of limiting different numbers of counterweights 7. Furthermore, the structure is simpler and the manufacturing cost is lower. However, in this state, the counterweight 7 cannot achieve snap-fit ​​fixation and circumferential limiting, making it more prone to collision noise problems.

Claims

1. A flexible and convenient insulation resistance tester, comprising a tester body (1), wherein the surface of the tester body (1) is respectively provided with a display screen (2), control buttons (3) and wiring ports (4), characterized in that: The tester body (1) has an operating area (101) and a counterweight area (102) formed at both ends of its surface. The display screen (2), control buttons (3), and wiring ports (4) are all located in the operating area (101). A safety rope (5) is connected to the tester body (1) on one side of the operating area (101). The counterweight area (102) has a mounting groove (6) on the surface of the tester body (1), and several counterweight pieces are fastened and connected in the mounting groove (6). (7) The counterweight (7) is provided with a cover plate (8) that fits against the surface of the tester body (1). The cover plate (8) is connected with fixing screws (9) and clamping rods (10) around its perimeter. The cover plate (8) and the tester body (1) are connected to each other by fixing screws (9). One end of the clamping rod (10) is fixedly connected to the cover plate (8), and the other end of the clamping rod (10) extends to the inside of the cover plate (8) and is used to clamp and limit the counterweight (7).

2. The flexible and convenient insulation resistance tester according to claim 1, characterized in that: Mounting strips (103) for threaded connection and fixing screws (9) are formed on the tester body (1) at both ends of the mounting groove (6).

3. The flexible and convenient insulation resistance tester according to claim 2, characterized in that: It also includes a limiting piece (11) located in the mounting groove (6). The limiting piece (11) has vertical columns at both ends. The upper end of the column extends to the top of the counterweight piece (7) and is threaded with a fixing nut (12). The bottom surface of the fixing nut (12) and the upper counterweight piece (7) fit together. The top of the column is fastened to the bottom of the clamping rod (10).

4. The flexible and convenient insulation resistance tester according to claim 3, characterized in that: The counterweight plate (7) has several openings (701) distributed around its four edges for fastening the connecting mounting strip (103) and for the column to pass through.

5. The flexible and convenient insulation resistance tester according to claim 1, characterized in that: The tester body (1) has a first rope groove on the side wall at the end away from the counterweight area (102), and one end of the slip rope (5) is tied in the first rope groove.

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