Strong anti-interference insulation resistance tester
By incorporating a fixed base, protective box, casters, rubber protective sleeve, and dust cover into the insulation resistance tester, the issues of mobility and dust prevention are solved, ensuring the portability and testing accuracy of the tester.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BAODING JINYUAN TECH CO
- Filing Date
- 2025-05-20
- Publication Date
- 2026-04-24
AI Technical Summary
Existing high-interference insulation resistance testers are inconvenient to move and store, and dust can easily enter the instrument, affecting the test accuracy.
A structure including a fixed base, a protective box, casters, a rubber protective cover, and a dust cover is designed. It can be moved easily by a push rod and a connecting rod. The protective box is sealed by a cover and fastening screws. The rubber protective cover and dust cover prevent dust from entering.
The instrument is designed for easy portability and dust protection, ensuring that testing accuracy remains unaffected.
Smart Images

Figure CN224163741U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of insulation resistance testers, and in particular to a strong anti-interference insulation resistance tester. Background Technology
[0002] An insulation resistance tester is a device used to measure the resistance value and insulation resistance strength of insulating materials. In order to avoid the impact of high-intensity electromagnetic interference on the tester's accuracy, a strong anti-interference insulation resistance tester is required.
[0003] In the construction and use of a strong anti-interference insulation resistance tester, the existing technology, such as the one proposed in patent CN218938334U, uses springs. The first anti-interference shell, the second anti-interference shell, and the third anti-interference shell are respectively set in an n-shape on the top and sides of the insulation resistance tester by springs. When the top and sides of the insulation resistance tester are subjected to impact pressure, the first anti-interference shell, the second anti-interference shell, and the third anti-interference shell can compress the springs, buffer the impact pressure, and provide anti-interference protection for the top and sides of the insulation resistance tester.
[0004] However, when using the testing instrument, if it needs to be moved, some large testing instruments cannot be moved easily due to their size. When the testing instrument is no longer in use, it needs to be stored. During storage, dust may enter the testing instrument and affect the testing accuracy. Utility Model Content
[0005] The purpose of this invention is to provide a strong anti-interference insulation resistance tester, which makes the tester easy to move and carry when needed, and prevents dust from entering the tester and affecting the accuracy of the next test.
[0006] To achieve the above objectives, a strong anti-interference insulation resistance tester is provided, including a fixed base, a protective box fixedly mounted on the upper end of the fixed base, a cover mounted on the upper end of the protective box, a handle fixedly mounted on the upper end of the cover, and a plurality of fastening screws symmetrically fixedly mounted on the upper end of the cover.
[0007] According to the aforementioned strong anti-interference insulation resistance tester, a push rod is fixedly installed on one side of the upper end of the fixed base, and a connecting rod is fixedly connected between the lower ends of the push rod.
[0008] According to the aforementioned strong anti-interference insulation resistance tester, a plurality of fixed frames are symmetrically arranged at the lower end of the fixed base, and movable wheels are installed inside the fixed frames, while springs are fixedly installed at the upper end of the fixed frames.
[0009] According to the aforementioned strong anti-interference insulation resistance tester, a guide post is installed inside the spring, and a limit block is provided at the upper end of the guide post. The limit block is installed on the upper end of the fixed base.
[0010] According to the aforementioned strong anti-interference insulation resistance tester, a second mounting slot is fixedly provided inside the protective box, and two first mounting slots are symmetrically fixedly provided on one side of the second mounting slot. A spare battery is installed inside the first mounting slot, and the tester body is installed inside the second mounting slot.
[0011] According to the aforementioned strong anti-interference insulation resistance tester, a rubber protective sleeve is fixedly installed on the side wall of the tester body, a plurality of control buttons are symmetrically fixedly installed on the surface of the tester body, and two output terminals are symmetrically arranged on the side wall of the tester body.
[0012] According to the aforementioned strong anti-interference insulation resistance tester, two fixing blocks are symmetrically fixed on one side of the rubber protective sleeve, a rubber connecting rope is fixedly fixed on the upper end of the fixing block, a dust cover is fixedly fixed on one side of the rubber connecting rope, and the dust cover is installed inside the output end.
[0013] Beneficial effects:
[0014] 1. A push rod is fixedly installed on one side of the upper end of the fixed base, and a connecting rod is fixedly installed between the push rods. Multiple fixed frames are symmetrically arranged at the lower end of the fixed base. A guide post is fixedly installed at the upper end of the fixed frame. A spring is installed on the side wall of the guide post. A limit block is fixedly installed at the upper end of the guide post. The limit block is located at the upper end of the fixed base. A movable wheel is installed inside the fixed frame. A protective box is fixedly installed at the upper end of the fixed base. The protective box has a first mounting groove inside and a second mounting groove inside which the tester body is installed. A cover is installed at the upper end of the protective box. The cover and the protective box are fixed by multiple fastening screws, making the tester easy to move and carry when needed.
[0015] 2. Multiple control buttons are symmetrically fixed on the surface of the tester body. A rubber protective sleeve is fixed on the side wall of the tester body. The tester body has two output ends symmetrically arranged. Two fixing blocks are symmetrically fixed on the side wall of the rubber protective sleeve. A rubber connecting rope is fixed on the side wall of the fixing block. A dust cover is fixed on one side of the rubber connecting rope. When the tester is not in use, it is placed inside the protective box, and then the dust cover is installed inside the output end to prevent dust from entering the tester and affecting the accuracy of the next test.
[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments;
[0018] Figure 1 This is a perspective view of a strong anti-interference insulation resistance tester proposed in this utility model;
[0019] Figure 2 This is a schematic diagram of the internal structure of the protective box of a high-interference-resistance insulation resistance tester proposed in this utility model;
[0020] Figure 3 This is a schematic diagram of the structure of a strong anti-interference insulation resistance tester proposed in this utility model;
[0021] Figure 4 The present utility model proposes Figure 1 Enlarged view of point A in the middle.
[0022] Legend:
[0023] 1. Mounting base; 2. Protective box; 3. Cover; 4. Fastening screw; 5. Handle; 6. Push rod; 7. Moving wheel; 8. Connecting rod; 9. Tester body; 10. Limit block; 11. Spare battery; 12. First mounting slot; 13. Fixing block; 14. Dust cover; 15. Rubber connecting rope; 16. Output end; 17. Guide post; 18. Spring; 19. Mounting bracket; 20. Control button; 21. Second mounting slot; 22. Rubber protective cover. Detailed Implementation
[0024] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.
[0025] Reference Figure 1-4 This utility model provides a strong anti-interference insulation resistance tester, which includes a fixed base 1, a protective box 2 fixedly mounted on the upper end of the fixed base 1, a cover 3 mounted on the upper end of the protective box 2, a handle 5 fixedly mounted on the upper end of the cover 3, and a plurality of fastening screws 4 symmetrically fixedly mounted on the upper end of the cover 3.
[0026] Specifically: the mounting base 1 is mainly used to support the protective box 2, the protective box 2 is used to protect the tester body 9, the cover 3 is used to seal the connection with the protective box 2 to prevent dust from entering the interior of the tester body 9, and the fastening screw 4 is used to cover the cover 3 on the top of the protective box 2 to achieve the sealing of the protective box 2.
[0027] A push rod 6 is fixedly installed on one side of the upper end of the fixed base 1, and a connecting rod 8 is fixedly connected between the lower ends of the push rod 6.
[0028] Specifically: by pushing the push rod 6, the tester body 9 can be moved easily via the moving wheel 7.
[0029] Multiple fixing frames 19 are symmetrically arranged at the lower end of the fixing base 1. The fixing frame 19 is equipped with a movable wheel 7, and a spring 18 is fixedly installed at the upper end of the fixing frame 19.
[0030] Specifically: the mounting bracket 19 is used to install the movable wheel 7, and the spring 18 enables the movable wheel 7 to move more stably when the device moves due to its elasticity.
[0031] A guide post 17 is installed inside the spring 18, and a limit block 10 is provided at the upper end of the guide post 17. The limit block 10 is installed at the upper end of the fixed base 1.
[0032] Specifically: the limit block 10 is used to limit the sliding stroke of the guide post 17.
[0033] The protective box 2 has a second mounting slot 21 fixedly installed inside. Two first mounting slots 12 are symmetrically fixedly installed on one side of the second mounting slot 21. A spare battery 11 is installed inside the first mounting slot 12. The tester body 9 is installed inside the second mounting slot 21.
[0034] Specifically: the second mounting slot 21 is used to install the tester body 9, and the first mounting slot 12 is used to install the spare battery 11.
[0035] A rubber protective sleeve 22 is fixedly installed on the side wall of the tester body 9. Multiple control buttons 20 are symmetrically fixedly installed on the surface of the tester body 9. Two output terminals 16 are symmetrically arranged on the side wall of the tester body 9.
[0036] Specifically: The rubber protective sleeve 22 is used to protect the tester body 9 and prevent it from being damaged by falling.
[0037] Two fixing blocks 13 are symmetrically fixed on one side of the rubber protective sleeve 22. A rubber connecting rope 15 is fixedly fixed on the upper end of the fixing block 13. A dust cover 14 is fixedly fixed on one side of the rubber connecting rope 15. The dust cover 14 is installed inside the output end 16.
[0038] Specifically: The dust cover 14 is installed inside the output terminal 16 to protect the output terminal 16 and prevent dust from entering the output terminal 16.
[0039] Working principle: When the tester body 9 needs to be moved, first place the tester body 9 into the second mounting slot 21 inside the protective box 2, then cover the cover 3 and fix it with fastening screws 4. Then push the push rod 6 so that the device can be moved to the corresponding position by the moving wheels 7. After the tester body 9 is used, install the dust cover 14 inside the output end 16 to protect the output end 16 and prevent dust from entering the output end 16. Then put it into the protective box 2 for storage.
[0040] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. A high-interference-resistance insulation resistance tester, comprising a fixed base (1), characterized in that: A protective box (2) is fixedly installed on the upper end of the fixed base (1), a cover (3) is installed on the upper end of the protective box (2), a handle (5) is fixedly installed on the upper end of the cover (3), and multiple fastening screws (4) are symmetrically fixed on the upper end of the cover (3).
2. The strong anti-interference insulation resistance tester according to claim 1, characterized in that, A push rod (6) is fixedly installed on one side of the upper end of the fixed base (1), and a connecting rod (8) is fixedly connected between the lower ends of the push rod (6).
3. The strong anti-interference insulation resistance tester according to claim 1, characterized in that, The lower end of the fixed base (1) is symmetrically provided with multiple fixed frames (19), and the fixed frame (19) is provided with a movable wheel (7) installed inside, and a spring (18) is fixedly provided at the upper end of the fixed frame (19).
4. The strong anti-interference insulation resistance tester according to claim 3, characterized in that, A guide post (17) is installed inside the spring (18), and a limit block (10) is provided at the upper end of the guide post (17). The limit block (10) is installed at the upper end of the fixed base (1).
5. The strong anti-interference insulation resistance tester according to claim 1, characterized in that, The protective box (2) is fixedly provided with a second mounting slot (21). Two first mounting slots (12) are symmetrically fixed on one side of the second mounting slot (21). A spare battery (11) is installed inside the first mounting slot (12). The tester body (9) is installed inside the second mounting slot (21).
6. The strong anti-interference insulation resistance tester according to claim 5, characterized in that, A rubber protective sleeve (22) is fixedly installed on the side wall of the tester body (9), and multiple control buttons (20) are symmetrically fixedly installed on the surface of the tester body (9). Two output terminals (16) are symmetrically arranged on the side wall of the tester body (9).
7. The strong anti-interference insulation resistance tester according to claim 6, characterized in that, Two fixing blocks (13) are symmetrically fixed on one side of the rubber protective sleeve (22). A rubber connecting rope (15) is fixedly installed on the upper end of the fixing block (13). A dust cover (14) is fixedly installed on one side of the rubber connecting rope (15). The dust cover (14) is installed inside the output end (16).