Safety insulation resistance tester

Abstract

The utility model discloses a safe insulation resistance tester, which is provided with a shell convenient for protection and use, and the upper surface of the shell is rotatably connected with a top cover; comprising a supporting frame which is connected to the inner surface of the shell in a nested mode, a limiting column is installed on the outer surface of the supporting frame and slides on the inner surface of the shell in a limited mode, and a clamping block is connected to the inner surface of the shell in a limited and sliding mode. The insulation resistance tester is provided with the shell convenient to protect and carry, the shell is matched with the rotatable top cover and the internally carried support frame to protect the insulation resistance tester body, the stability of the support frame is controlled through the use of the arranged limiting column and the obliquely supported buffer rod, and the support frame is matched with the first buffer plate and the second buffer plate, so that the stability of the insulation resistance tester is improved. The clamping stability of the insulation resistance tester body is controlled, the insulation resistance tester body can be conveniently detached and independently used in a small space, and the use safety of the insulation resistance tester body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of insulation resistance testers, in particular to a safety insulation resistance tester. Background Art

[0002] Insulation resistance testers, also known as megohmmeters and multimeters, can be used to measure electrical equipment or circuit insulation resistance when in use, and can be used to evaluate the safety of electrical equipment and circuits. However, existing insulation resistance testers still have some problems when in use;

[0003] In the prior art, the authorization publication (announcement) number: CN219871546U states “a safe insulation resistance tester”, which includes a box body, a resistance tester body, a protective frame and two clamping parts, wherein the box body includes a box body and a protective cover, the box body has a placement slot, a side wall of the placement slot is an opening, and the protective cover is arranged on the placement slot; the resistance tester body is slidably arranged in the placement slot; the protective frame is arranged above the resistance tester body, and both ends of the protective frame are slidably connected to the placement slot and can move in a direction perpendicular to the opening;

[0004] During the operation of the above-mentioned device, the resistance tester body is protected from being damaged when being carried, the process of placing the resistance tester body into the box and taking the resistance tester body out of the box is simplified, and the staff is prevented from directly contacting the resistance tester body, thereby effectively ensuring the personal safety of the staff. However, when in use, it is not convenient to effectively protect the insulation resistance tester when carrying it, which affects its use effect. In the range of insufficient space, it is not convenient to easily disassemble the insulation resistance tester for independent use, and it is not convenient to control the storage space of other carried components according to the size of the insulation resistance tester. Utility Model Content

[0005] The purpose of the utility model is to provide a safe insulation resistance tester to solve the problems raised in the above-mentioned background technology that it is inconvenient to provide effective protection for the insulation resistance tester when carrying it, which affects its use effect, and it is inconvenient to disassemble the insulation resistance tester for independent use within the scope of insufficient space, and it is inconvenient to control the storage space of other carried components according to the size of the insulation resistance tester.

[0006] To achieve the above object, the utility model provides the following technical solutions: a safe insulation resistance tester, provided with a shell convenient for protection, and a top cover is rotatably connected to the upper surface of the shell;

[0007] The invention comprises: a support frame, which is nested and connected to the inner surface of the shell, and a limit column is installed on the outer surface of the support frame, and the limit column is limitedly slid on the inner surface of the shell, and a clamping block is limitedly slidably connected to the inner surface of the shell, and a return spring is fitted between the clamping block and the shell, so that the support frame is provided with a limit elastic buffer mechanism;

[0008] The storage bin is installed at the upper surface end of the support frame, and the lower side of the outer surface of the storage bin is telescopically connected to a telescopic base, and an extrusion plate is installed at the other end of the outer surface of the telescopic base, and a slider is installed on the lower surface of the extrusion plate, and a threaded rod is threadedly connected to the middle section of the inner surface of the slider, and an elastic extrusion limiting mechanism is arranged on the outer surface of the extrusion plate.

[0009] Preferably, the support frame forms a limiting sliding structure through a limiting column and an outer shell, and the limiting column and the outer surface side of the support frame are symmetrically embedded and installed, and the outer shell forms an elastic sliding structure through a reset spring and a clamping block, and the clamping block and the limiting column form a limiting clamping structure.

[0010] The above structure facilitates effective limit assembly and positioning of the support frame during use.

[0011] Preferably, the lower surface of the support frame in the elastic buffer mechanism is rotatably connected to a buffer rod, and the other end of the outer surface of the buffer rod is rotatably connected to a moving block, and the moving block is limitedly slidably connected to the inner surface of the shell, and an extrusion spring is connected between the shell and the moving block.

[0012] Through the above structure, when in use, the inclined buffer rod can be effectively provided to provide up and down buffering force for the use of the support frame.

[0013] Preferably, the support frame forms a linkage rotation structure with the moving block through the buffer rod, and the moving block forms an elastic limited sliding structure with the shell through the extrusion spring, and the buffer rod is symmetrically arranged about the middle section of the outer surface of the support frame.

[0014] Through the above structure, it is convenient to stably control the positions of the buffer rod and the moving block during use, thereby improving the stability of the support frame.

[0015] Preferably, the storage bin forms a cross telescopic structure with the extrusion plate through a telescopic base, and the extrusion plate forms a thread-adjustable limited sliding structure with the storage bin through a slider and a threaded rod, and the extrusion plate and the support frame form a built-in nested structure.

[0016] Through the above structure, it is convenient to stably control the space adjustment between the extrusion plate and the storage bin during use, and the arranged extrusion plate is used to form an elastic clamp for the insulation resistance tester body in the later stage.

[0017] Preferably, a telescopic component is installed on the outer surface of the extrusion plate in the extrusion limiting mechanism, and a telescopic rod is telescopically connected to the inner surface of the telescopic component, and a buffer spring is nested and connected to the outer surfaces of the telescopic component and the telescopic rod, and a movable plate is installed on the outer surface of the telescopic rod, and a nested block is snap-connected to the inner surface of the movable plate, and a buffer plate 1 is installed on the outer surface of the nested block, and the outer surface of the buffer plate 1 is connected to the insulation resistance tester body, and buffer plate 2 is connected to the front and rear sides of the outer surface of the insulation resistance tester body, and the outer surface of the buffer plate 2 is nested and connected to a positioning plate, and the positioning plate is installed on the front and rear sides of the inner surface of the support frame.

[0018] Through the above structure, the extrusion plate and the elastically adjustable moving plate can be effectively controlled to form a limit setting for the insulation resistance tester body during use, thereby improving the stability of use.

[0019] Preferably, the movable plate forms an elastic telescopic structure with the extrusion plate through the telescopic assembly, the telescopic rod and the buffer spring, and the movable plate forms a built-in nested structure with the buffer plate one through the nesting block, and the outer surface shape of the buffer plate one is a wavy structure. At the same time, the buffer plate one is clamped and limited for the insulation resistance tester body, and the insulation resistance tester body forms a built-in flexible extrusion structure with the support frame through the buffer plate two and the positioning plate.

[0020] Through the above structure, when in use, the elastically controlled buffer plate 1 and the flexible buffer plate 2 can effectively form an effective flexible elastic clamping for the insulation resistance tester body.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] 1. A housing that is convenient for carrying and protection is provided, and a rotatable top cover is used to protect the insulation resistance tester body carried inside the support frame, and the stability of the support frame is controlled by the use of the limit column and the obliquely supported buffer rod, and the support frame is matched with the buffer plate 1 and the buffer plate 2 to control the stability of the insulation resistance tester body clamping, and the insulation resistance tester body is easy to disassemble and use independently in a small space, and the use safety of the insulation resistance tester body is improved;

[0023] 2. An elastic buffer mechanism is provided, which can effectively control the inside of the shell for the limit column provided on the support frame, and cooperate with the use of the card block adjusted by the reset spring provided on the shell to form a limit sliding for the limit column, and cooperate with the use of the assembled buffer rod and moving block and the extrusion spring to form a limit sliding when the support frame is buffered up and down, and form an elastic support for the insulation resistance tester body;

[0024] Furthermore, the use of the telescopic base and the extrusion plate assembled with the storage bin can control the space size of the storage bin according to the size of the insulation resistance tester body;

[0025] 3. An extrusion limit mechanism is provided to control the cooperation mode of the telescopic assembly, telescopic rod and buffer spring assembled on the extrusion plate, control the elastic telescopic structure formed between the extrusion plate and the movable plate, and adjust the space size of the storage bin by moving the movable plate, and form a limit nesting for the insulation resistance tester body;

[0026] Furthermore, the buffer plate 1 is nested and assembled on the movable plate, which can effectively cooperate with the buffer plate 2 to form a flexible elastic limit nesting for the insulation resistance tester body. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the three-dimensional structure of the shell of the utility model;

[0028] Figure 2 This is a schematic diagram of the three-dimensional structure of the half-sectioned housing of the utility model;

[0029] Figure 3 It is a schematic diagram of a partially cutaway three-dimensional structure of the support frame of the utility model;

[0030] Figure 4 It is a schematic diagram of a partially cutaway three-dimensional structure of an extruded plate of the utility model;

[0031] Figure 5 For this utility model Figure 4 A in the middle is an enlarged schematic diagram of the three-dimensional structure;

[0032] Figure 6 It is a partial cross-sectional three-dimensional structural schematic diagram of the movable plate of the utility model.

[0033] In the figure: 1. shell; 2. top cover; 3. support frame; 4. limit column; 5. block; 6. reset spring; 7. buffer rod; 8. moving block; 9. extrusion spring; 10. storage bin; 11. telescopic base; 12. extrusion plate; 13. slider; 14. threaded rod; 15. telescopic assembly; 16. telescopic rod; 17. buffer spring; 18. moving plate; 19. nesting block; 20. buffer plate one; 21. insulation resistance tester body; 22. buffer plate two; 23. positioning plate. DETAILED DESCRIPTION

[0034] 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.

[0035] See also Figure 1-Figure 6 , the utility model provides the following technical solutions: a safety insulation resistance tester, provided with a housing 1 convenient for protection, and the upper surface of the housing 1 is rotatably connected with a top cover 2;

[0036] Embodiment 1: Figure 1 and Figure 3 The technical solution shown in the utility model provides the following technical solution: a safe insulation resistance tester, disclosed:

[0037] The invention comprises: a support frame 3, which is nested and connected to the inner surface of the shell 1, and a limit column 4 is installed on the outer surface of the support frame 3, and the limit column 4 is limitedly slid on the inner surface of the shell 1, and a clamping block 5 is limitedly slidably connected to the inner surface of the shell 1, and a reset spring 6 is fitted between the clamping block 5 and the shell 1, so that the support frame 3 is provided with a limited elastic buffer mechanism

[0038] The support frame 3 forms a limiting sliding structure with the outer shell 1 through the limiting column 4, and the limiting column 4 and the outer surface side of the support frame 3 are symmetrically embedded and installed, and the outer shell 1 forms an elastic sliding structure with the reset spring 6 and the clamping block 5, and the clamping block 5 and the limiting column 4 form a limiting clamping structure.

[0039] When in use, the shell 1 is placed at a position where work is required, and the assembled top cover 2 is opened, and the support frame 3 assembled in the shell 1 and the insulation resistance tester body 21 nested and positioned therein can be opened to work, and when the insulation resistance tester body 21 is in use and carried, the limit column 4 assembled with the support frame 3 can be connected to the shell 1 by sliding up and down, and the limit column 4 is limited by the reset spring 6 to squeeze the connection block 5, so as to effectively position the limit column 4 and prevent the support frame 3 from being separated from the limit of the shell 1;

[0040] Embodiment 2: Figure 1 and Figure 3 The technical solution shown, on the basis of the first embodiment, further discloses the use of elastic limit buffer of the support frame 3 in the elastic buffer mechanism, and its specific contents are as follows:

[0041] The lower surface of the support frame 3 in the elastic buffer mechanism is rotatably connected to a buffer rod 7, and the other end of the outer surface of the buffer rod 7 is rotatably connected to a moving block 8, and the moving block 8 is limitedly slidably connected to the inner surface of the shell 1, and an extrusion spring 9 is connected between the shell 1 and the moving block 8.

[0042] The support frame 3 forms a linkage rotation structure with the moving block 8 through the buffer rod 7, and the moving block 8 forms an elastic limited sliding structure with the housing 1 through the extrusion spring 9, and the buffer rod 7 is symmetrically arranged about the middle section of the outer surface of the support frame 3.

[0043] When the support frame 3 is in use, the buffer rod 7 assembled and rotated at the lower side can be coordinated with the movable block 8 and the extrusion spring 9 connected to the other side of the outer surface of the buffer rod 7 to slide elastically in the housing 1, so as to control the buffer rod 7 to form a positioning rotation and control the elastic sliding of the support frame 3 on the buffer rod 7, thereby preventing the insulation resistance tester body 21 in the support frame 3 from being used for anti-vibration protection;

[0044] Embodiment 3: Figure 1 and Figure 3 The technical solution shown, on the basis of the second embodiment, further discloses the space adjustment of the storage bin 10 and the positioning and use of the insulation resistance tester body 21, the specific contents of which are as follows:

[0045] The storage bin 10 is installed at the upper surface end of the support frame 3, and the lower side of the outer surface of the storage bin 10 is telescopically connected to a telescopic base 11, and an extrusion plate 12 is installed at the other end of the outer surface of the telescopic base 11, and a slider 13 is installed on the lower surface of the extrusion plate 12, and a threaded rod 14 is threadedly connected to the middle section of the inner surface of the slider 13, and an elastic extrusion limiting mechanism is arranged on the outer surface of the extrusion plate 12.

[0046] The storage bin 10 forms a cross telescopic structure with the extrusion plate 12 through the telescopic base 11, and the extrusion plate 12 forms a thread-adjustable limited sliding structure with the storage bin 10 through the slider 13 and the threaded rod 14, and the extrusion plate 12 and the support frame 3 form a built-in nested structure.

[0047] A telescopic component 15 is installed on the outer surface of the extrusion plate 12 in the extrusion limiting mechanism, and a telescopic rod 16 is telescopically connected to the inner surface of the telescopic component 15, and a buffer spring 17 is nested and connected on the outer surfaces of the telescopic component 15 and the telescopic rod 16, and a moving plate 18 is installed on the outer surface of the telescopic rod 16, and a nesting block 19 is snap-connected to the inner surface of the moving plate 18, and a buffer plate 20 is installed on the outer surface of the nesting block 19, and the outer surface of the buffer plate 20 is connected to an insulation resistance tester body 21, and a buffer plate 22 is connected to the front and rear sides of the outer surface of the insulation resistance tester body 21, and a positioning plate 23 is nested and connected to the outer surface of the buffer plate 22, and the positioning plate 23 is installed on the front and rear sides of the inner surface of the support frame 3.

[0048] The movable plate 18 forms an elastic telescopic structure with the extrusion plate 12 through the telescopic assembly 15, the telescopic rod 16 and the buffer spring 17, and the movable plate 18 forms a built-in nested structure with the buffer plate 1 20 through the nesting block 19, and the outer surface shape of the buffer plate 1 20 is a wavy structure. At the same time, the buffer plates 1 20 are clamped and limited to the insulation resistance tester body 21, and the insulation resistance tester body 21 forms a built-in flexible extrusion structure with the support frame 3 through the buffer plate 2 22 and the positioning plate 23.

[0049] When the support frame 3 forms an upper and lower elastic buffer, the storage bin 10 installed on the support frame 3 can be controlled to be used synchronously, and the motor assembled on the lower side of the storage bin 10 is started, the threaded rod 14 can be controlled to rotate, and the extrusion plate 12 installed on the slider 13 can be controlled to slide in a positioning manner, so as to control the extrusion plate 12 to cooperate with the telescopic base 11 to adjust the space size between the storage bin 10, and when the extrusion plate 12 moves, the telescopic rod 16 telescopically connected with the telescopic assembly 15 and the buffer spring 17 nested on the outside of the two can be used to control the limit buffering use of the moving plate 18, and when the moving plate 18 slides in a limited position, the effective The nesting blocks 19 assembled by the nesting and the buffer plate 20 installed on the nesting blocks 19 squeeze the insulation resistance tester body 21, and form synchronous squeezing with the symmetrically arranged buffer plate 20, so as to control the insulation resistance tester body 21 to be used for left and right buffering, and the positioning plate 23 assembled with the buffer plate 22 connected to the front and rear sides of the insulation resistance tester body 21 can effectively buffer the front and rear sides, and when the insulation resistance tester body 21 is used, it can also cooperate with the wavy structure on the outer surface of the buffer plate 20 and the buffer plate 22 to prevent the insulation resistance tester body 21 from falling off when carrying the buffer, thereby improving the safety of use.

[0050] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0051] 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. A safety insulation resistance tester, provided with a housing (1) convenient for protection, and a top cover (2) rotatably connected to the upper surface of the housing (1); It is characterized in that include: The support frame (3) is nested and connected to the inner surface of the shell (1), and a limit column (4) is installed on the outer surface of the support frame (3), and the limit column (4) is limitedly slid on the inner surface of the shell (1), and the inner surface of the shell (1) is limitedly slidably connected with a clamping block (5), and a return spring (6) is fitted between the clamping block (5) and the shell (1), so that the support frame (3) is provided with a limit elastic buffer mechanism; The storage bin (10) is mounted on the upper surface end of the support frame (3), and the lower side of the outer surface of the storage bin (10) is telescopically connected to a telescopic base (11), and the other end of the outer surface of the telescopic base (11) is mounted with an extrusion plate (12), and a slider (13) is mounted on the lower surface of the extrusion plate (12), and a threaded rod (14) is threadedly connected to the middle section of the inner surface of the slider (13), and an elastic extrusion limiting mechanism is arranged on the outer surface of the extrusion plate (12).

2. A safety insulation resistance tester according to claim 1, characterized in that: The support frame (3) forms a limiting sliding structure with the outer shell (1) through the limiting column (4), and the limiting column (4) and the outer surface side of the support frame (3) are symmetrically embedded and installed, and the outer shell (1) forms an elastic sliding structure with the return spring (6) and the clamping block (5), and the clamping block (5) and the limiting column (4) form a limiting clamping structure.

3. A safety insulation resistance tester according to claim 1, characterized in that: The lower surface of the support frame (3) in the elastic buffer mechanism is rotatably connected to a buffer rod (7), and the other end of the outer surface of the buffer rod (7) is rotatably connected to a moving block (8), and the moving block (8) is limitedly slidably connected to the inner surface of the outer shell (1), and a compression spring (9) is connected between the outer shell (1) and the moving block (8).

4. A safety insulation resistance tester according to claim 3, characterized in that: The support frame (3) forms a linkage rotation structure with the moving block (8) through the buffer rod (7), and the moving block (8) forms an elastic limited sliding structure with the outer shell (1) through the compression spring (9), and the buffer rod (7) is symmetrically arranged with respect to the middle section of the outer surface of the support frame (3).

5. A safety insulation resistance tester according to claim 1, characterized in that: The storage bin (10) forms a cross telescopic structure with the telescopic base (11) and the extrusion plate (12), and the extrusion plate (12) forms a thread-adjustable limited sliding structure with the storage bin (10) through a slider (13) and a threaded rod (14), and the extrusion plate (12) and the support frame (3) form a built-in nested structure.

6. A safety insulation resistance tester according to claim 1, characterized in that: In the extrusion limiting mechanism, a telescopic component (15) is installed on the outer surface of the extrusion plate (12), and a telescopic rod (16) is telescopically connected to the inner surface of the telescopic component (15), and a buffer spring (17) is nested and connected on the outer surfaces of the telescopic component (15) and the telescopic rod (16), and a moving plate (18) is installed on the outer surface of the telescopic rod (16), and a nesting block (19) is snap-connected to the inner surface of the moving plate (18), and a buffer plate 1 (20) is installed on the outer surface of the nesting block (19), and the outer surface of the buffer plate 1 (20) is connected to an insulation resistance tester body (21), and a buffer plate 2 (22) is connected to the front and rear sides of the outer surface of the insulation resistance tester body (21), and a positioning plate (23) is nested and connected to the outer surface of the buffer plate 2 (22), and the positioning plate (23) is installed on the front and rear sides of the inner surface of the support frame (3).

7. A safety insulation resistance tester according to claim 6, characterized in that: The movable plate (18) forms an elastic telescopic structure with the extrusion plate (12) through the telescopic assembly (15), the telescopic rod (16) and the buffer spring (17), and the movable plate (18) forms a built-in nesting structure with the buffer plate 1 (20) through the nesting block (19), and the outer surface shape of the buffer plate 1 (20) is a wavy structure, and the buffer plate 1 (20) is provided with a clamping limit setting for the insulation resistance tester body (21), and the insulation resistance tester body (21) forms a built-in flexible extrusion structure with the support frame (3) through the buffer plate 2 (22) and the positioning plate (23).

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