Insulation resistance tester

Abstract

The utility model relates to the technical field of insulation resistance testers, in particular to an insulation resistance tester, which comprises a main body, a support frame arranged at the bottom end of the main body, a plurality of buttons arranged on one side surface of the main body, a plurality of jacks arranged on one side of the buttons, a fixed frame arranged on one side surface of the buttons, and accommodating grooves symmetrically arranged on two side surfaces of the fixed frame. A first fixing rod is arranged in the containing groove, a first pull rod is arranged outside the first fixing rod, a second fixing rod is arranged in the first pull rod and connected with the second pull rod, a third fixing rod is arranged at the other end of the second pull rod and connected with a cover plate, and hinge seats are symmetrically arranged at one end of the cover plate. By utilizing the structure of the pull rod, the fixed rod, the fixed frame, the cover plate, the sleeve, the insertion rod and the positioning hole, the problems that the buttons are not arranged in one row in actual use, the buttons are arranged irregularly, the shielding plate is easy to stumble after being pulled out, and the operation of the cable anti-falling device is too tedious are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of insulation resistance tester, specifically is an insulation resistance tester. BACKGROUND

[0002] Insulation resistance tester generally refers to megohmmeter, megohmmeter is a kind of measuring instrument commonly used by electrician, mainly used to check the insulation resistance of electrical equipment, household appliance or electrical circuit to ground and phase-to-phase, to ensure that these equipment, appliances and lines work in normal state, avoid the occurrence of electric shock injury and equipment damage and other accidents, with the increasing popularity of production and living electricity facilities, the requirement of power supply reliability is higher and higher, and the live working is carried out in power distribution, according to the relevant provisions of live working, tools must be used insulation resistance tester to carry out sectional insulation detection when entering and leaving warehouse.

[0003] And in the document with the publication number CN217034102U just mentioned a kind of insulation resistance tester, the tester is by including slide rail shielding structure, the surface of slide rail and instrument body is fixedly connected, the inner wall of slide rail is slidably connected with the shielding plate, the key can be blocked by shielding plate, to reduce the possibility of accidental touch. The surface of the instrument body is fixedly connected with the support column, the end of the support column away from the instrument body is fixedly connected with the elastic plate, the side of the elastic plate close to the shielding plate is fixedly connected with the plug block, so that the plug block enters the fixed hole, the shielding plate can be fixed. The surface of the instrument body is fixedly connected with the first square plate, the side of the first square plate close to the elastic plate is fixedly connected with the second spring, the end of the second spring away from the first square plate is fixedly connected with the second square plate, the second square plate is fixedly connected with the upper end of the shielding plate, the second square plate can be quickly moved by the second spring, when the line needs to be fixed, rotate the screw rod, drive the first fixed block to move towards the second fixed block, the line can be clamped by the first fixed block and the second fixed block, the first fixed block and the second fixed block can play a fixing role, reduce the possibility of line falling off, when the line does not need to be fixed, the above steps can be operated in reverse to release the fixation of the line, then make the connecting plate drive the first fixed frame to move upwards, so that the first fixed frame is separated from the rotating plate to release the fixation of the rotating plate, at this time the first spring is in compression state, then make the rotating plate rotate until the rotating plate contacts the surface of the instrument body, then release the first spring, the second fixed frame can be pushed to the surface of the rotating plate by the first spring to limit the rotation of the rotating plate, which can prevent the device from blocking the socket on the surface of the instrument body, but there are still some defects, which need to be optimized, the specific defects are as follows: in actual use, the buttons are not only one row, the buttons are arranged irregularly, and the shielding plate is easy to trip after being pulled out, and the operation in the cable anti-falling device is too cumbersome.

[0004] Therefore, designing an insulation resistance tester to change the above technical defects and improve the overall practicability is particularly important. Content of the utility model

[0005] The utility model discloses an insulation resistance tester to solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] An insulation resistance tester, including the main body, the bottom of main body is equipped with support frame, one side of main body is equipped with a plurality of buttons, one side of button is equipped with a plurality of jack, one side of button is equipped with fixed frame, the both sides of fixed frame are equipped with the accommodation groove, the inside of accommodation groove is equipped with first fixed link, the outside of first fixed link is equipped with first pull rod, the inside of first pull rod is equipped with second fixed link, second fixed link is connected second pull rod, the other end of second pull rod is equipped with third fixed link, third fixed link connects cover plate, one end of cover plate is equipped with the symmetrical hinged seat;

[0008] The both sides of the jack are symmetrically provided with mounting plates, one side of the mounting plate is symmetrically provided with a first sleeve, the inside of the first sleeve is provided with a first insertion rod, the first insertion rod is provided with a second sleeve, the inside of the second sleeve is provided with a second insertion rod, the second insertion rod is connected with a clamping block, a plurality of positioning holes are formed in the first sleeve and the second sleeve, a fixed block is arranged on the first insertion rod and the second insertion rod, the fixed block is connected with a telescopic rod, a compression spring is arranged on the outside of the telescopic rod, and a limiting block is arranged at the top end of the compression spring.

[0009] As a preferred scheme of the utility model, the first fixed link and the accommodation groove are fixedly connected, and the first pull rod and the first fixed link are rotatably connected.

[0010] As a preferred scheme of the utility model, the first pull rod, the second pull rod and the second fixed link are fixedly connected, and the second pull rod and the third fixed link are rotatably connected.

[0011] As a preferred scheme of the utility model, one side of the cover plate is provided with a clamping block, the fixed frame is provided with a clamping groove matched with the clamping block, the cover plate is provided with an observation window, and the material of the observation window is a polycarbonate plate.

[0012] As a preferred scheme of the utility model, the first sleeve and the second sleeve are slidably connected with the first insertion rod and the second insertion rod respectively, and the mounting plate and the main body are connected through bolts.

[0013] As the preferred scheme of the utility model, the limiting block is matched with the positioning hole, and the telescopic rod is fixedly connected between one end of the telescopic rod and the limiting block, the telescopic rod includes a big sleeve rod and a small sleeve rod, the small sleeve rod is arranged in the inside of the big sleeve rod, and the small sleeve rod is provided with a limiting plate at one end, so that the small sleeve rod and the big sleeve rod are prevented from falling off.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] In the utility model, the test instrument main body is stably placed through the structure of the pull rod, the fixed rod, the fixed frame, the cover plate, the sleeve, the plug rod and the positioning hole, and the stability is ensured through the supporting frame; the operator sets or adjusts each item by pressing the button as required, pushes the cover plate, withdraws the pull rod mechanism into the containing groove, and fixes the pull rod mechanism through the clamping block and the clamping groove, so that the rainproof and anti-hitting functions are realized; when the jack is needed to be used, the cable is inserted, the position of the first plug rod and the second plug rod is adjusted, the cable is clamped through the clamping block, and the cable and the jack are stably connected; even if the cable is subjected to external force, the cable is not easy to separate; compared with the comparison scheme, the area of the covering plate is enlarged to be the cover plate, the entire button is covered, the covering process is simplified, the rainproof and anti-hitting functions are increased, the operation process of the limiting cable is simplified, and the problems that the buttons are not only one row in actual use, the buttons are arranged irregularly, the covering plate is easy to trip after being pulled out, and the operation of the cable anti-falling device is too complicated are solved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the structure diagram of the utility model as a whole;

[0017] Fig. 2 It is the schematic view of the fixed frame and the cover plate assembly of the utility model;

[0018] Fig. 3 It is the structure schematic view of the clamping block assembly and the limiting block assembly of the utility model.

[0019] In the drawing: 1, main body;101, supporting frame;102, button;103, jack;2, fixed frame;201, containing groove;202, first fixed rod;203, first pull rod;204, second fixed rod;205, second pull rod;206, hinged seat;207, third fixed rod;208, cover plate;3, mounting plate;301, first sleeve;302, first plug rod;303, second sleeve;304, second plug rod;305, positioning hole;306, fixed block;307, telescopic rod;308, compression spring;309, limiting block;310, clamping block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those of ordinary skill in the art without any creative work fall within the scope of the present application.

[0021] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. Several embodiments of the present application are given. However, the present application can be implemented in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0022] It should be noted that when an element is referred to as being "fixedly attached" to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can be present. The terms "vertical", "horizontal", "left", "right", and the like as used herein are for purposes of illustration only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0024] Embodiments, please see Figs. 1-3 The present application provides a technical solution:

[0025] An insulating resistance tester, comprising a main body 1, the bottom end of the main body 1 is provided with a support frame 101, one side of the main body 1 is provided with a plurality of buttons 102, one side of the button 102 is provided with a plurality of jacks 103, one side of the button 102 is provided with a fixed frame 2, the two sides of the fixed frame 2 are symmetrically provided with containing grooves 201, the inside of the containing groove 201 is provided with a first fixed rod 202, the outside of the first fixed rod 202 is provided with a first pull rod 203, the inside of the first pull rod 203 is provided with a second fixed rod 204, the second fixed rod 204 is connected with a second pull rod 205, the other end of the second pull rod 205 is provided with a third fixed rod 207, the third fixed rod 207 is connected with a cover plate 208, one end of the cover plate 208 is symmetrically provided with a hinge seat 206, the two sides of the jack 103 are symmetrically provided with a mounting plate 3, one side of the mounting plate 3 is symmetrically provided with a first sleeve 301, the inside of the first sleeve 301 is provided with a first plug rod 302, the first plug rod 302 is provided with a second sleeve 303, the inside of the second sleeve 303 is provided with a second plug rod 304, the second plug rod 304 is connected with a clamping block 310, a plurality of positioning holes 305 are arranged on the first sleeve 301 and the second sleeve 303, a fixed block 306 is arranged on the first plug rod 302 and the second plug rod 304, the fixed block 306 is connected with a telescopic rod 307, the outside of the telescopic rod 307 is provided with a compression spring 308, the top end of the compression spring 308 is provided with a limiting block 309, the main body 1 of the insulating resistance tester is placed on a stable ground, the tester is ensured to be stable through the support frame 101, then the operator can press the button 102 on the side of the main body 1 according to the needs, and each setting or adjustment is carried out, then the cover plate 208 is pushed, at this time the second pull rod 205 and the first pull rod 203 are withdrawn into the inside of the containing groove 201, the cover plate 208 and the fixed frame 2 are fixed by clamping the block into the inside of the clamping groove, the cover plate 208 and the fixed frame 2 can prevent rain and beating, when the jack 103 needs to be used, the cable is inserted into the inside of the jack 103, then the limiting block 309 is pressed to be withdrawn into the inside of the positioning hole 305, first, the position of the first plug rod 302 is adjusted to a suitable position, at this time the limiting block 309 is re-extended into the inside of the positioning hole 305, the position of the first sleeve 301 and the first plug rod 302 is limited, the position of the second plug rod 304 is adjusted in the same way, so that the two clamping blocks 310 clamp the cable, it is difficult to separate the cable from the jack 103 even if there is external force;

[0026] The first fixed rod 202 is fixedly connected with the accommodating groove 201, the first pull rod 203 is rotationally connected with the first fixed rod 202, the first pull rod 203 and the second pull rod 205 are fixedly connected with the second fixed rod 204, and the second pull rod 205 is rotationally connected with the third fixed rod 207, so that the cover plate can be pulled to avoid contacting the ground and causing abrasion or being stained with dirt; one side of the cover plate 208 is provided with a clamping block, the fixed frame 2 is provided with a clamping groove matched with the clamping block, the cover plate 208 is provided with an observation window, and the material of the observation window is a polycarbonate plate, so as to limit the position of the cover plate and the fixed frame; the first sleeve 301 and the second sleeve 303 are respectively slidably connected with the first inserting rod 302 and the second inserting rod 304; the mounting plate 3 is connected with the main body 1 through bolts, so as to adjust the position of the clamping block to adapt to cables of different sizes; the limiting block 309 is matched with the positioning hole 305, and one end of the telescopic rod 307 is fixedly connected with the limiting block 309; the telescopic rod 307 comprises a large sleeve rod and a small sleeve rod, the small sleeve rod is arranged in the large sleeve rod, and one end of the small sleeve rod is provided with a limiting plate, so as to prevent the small sleeve rod from falling off the large sleeve rod and fix the position of the sleeve and the inserting rod after adjustment.

[0027] The utility model discloses a working procedure: when using the kind of insulation resistance tester, first, the main body 1 of insulation resistance tester is placed on the stable ground, and the tester is ensured to be stable through support frame 101, then, the operator can press the button 102 on the side of main body 1 according to the need, and each setting or adjustment is carried out, after that, push the cover plate 208, and the second pull rod 205 and the first pull rod 203 are withdrawn to the inside of accommodating groove 201, simultaneously, the clamping block is clamped into the inside of the clamping groove, and the cover plate 208 and the fixed frame 2 are fixed, the setting of cover plate 208 and fixed frame 2 can prevent rain and prevent beating, when needing to use the jack 103, the cable is inserted into the inside of the jack 103, then, the limiting block 309 is pressed and is withdrawn to the inside of the positioning hole 305, first, the position of the first inserting rod 302 is adjusted to the appropriate position, at this time, the limiting block 309 is re-extended in the inside of the positioning hole 305, and the position of the first sleeve 301 and the first inserting rod 302 is limited, and the position of the second inserting rod 304 is adjusted in the same way, so that the two clamping blocks 310 clamp the cable, and even if there is external force, the cable is also difficult to separate from the jack 103.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An insulation resistance tester, comprising a main body (1), characterized in that: The bottom end of the main body (1) is provided with a support frame (101). A plurality of buttons (102) are provided on one side of the main body (1). A plurality of sockets (103) are provided on one side of the buttons (102). A fixing frame (2) is provided on one side of the buttons (102). A receiving groove (201) is symmetrically provided on both sides of the fixing frame (2). A first fixing rod (202) is provided inside the receiving groove (201). A first pull rod (203) is provided outside the first fixing rod (202). A second fixing rod (204) is provided inside the first pull rod (203). The second fixing rod (204) is connected to the second pull rod (205). A third fixing rod (207) is provided at the other end of the second pull rod (205). The third fixing rod (207) is connected to the cover plate (208). A hinge seat (206) is symmetrically provided at one end of the cover plate (208). Mounting plates (3) are symmetrically arranged on both sides of the insertion hole (103). A first sleeve (301) is symmetrically arranged on one side of the mounting plate (3). A first insert rod (302) is arranged inside the first sleeve (301). A second sleeve (303) is arranged on the first insert rod (302). A second insert rod (304) is arranged inside the second sleeve (303). The second insert rod (304) is connected to a clamping block (310). A plurality of positioning holes (305) are provided on the first sleeve (301) and the second sleeve (303). A fixing block (306) is provided on the first insert rod (302) and the second insert rod (304). The fixing block (306) is connected to a telescopic rod (307). A compression spring (308) is provided on the outside of the telescopic rod (307). A limiting block (309) is provided at the top of the compression spring (308).

2. The insulation resistance tester according to claim 1, characterized in that: The first fixed rod (202) is fixedly connected to the receiving groove (201), and the first pull rod (203) is rotatably connected to the first fixed rod (202).

3. An insulation resistance tester according to claim 1, characterized in that: The first pull rod (203), the second pull rod (205) and the second fixed rod (204) are fixedly connected, and the second pull rod (205) and the third fixed rod (207) are rotatably connected.

4. An insulation resistance tester according to claim 1, characterized in that: The cover plate (208) has a locking block on one side, and the fixing frame (2) has a slot for matching the locking block. The cover plate (208) has an observation window, and the observation window is made of polycarbonate sheet.

5. An insulation resistance tester according to claim 1, characterized in that: The first sleeve (301) and the second sleeve (303) are slidably connected to the first insert (302) and the second insert (304) respectively, and the mounting plate (3) is connected to the main body (1) by bolts.

6. An insulation resistance tester according to claim 1, characterized in that: The limiting block (309) is adapted to the positioning hole (305), and one end of the telescopic rod (307) is fixedly connected to the limiting block (309). The telescopic rod (307) includes a large sleeve rod and a small sleeve rod. The small sleeve rod is set inside the large sleeve rod, and one end of the small sleeve rod is provided with a limiting plate to prevent the small sleeve rod from falling off the large sleeve rod.

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