CN213903649U - Accurate current resistance tester tests - Google Patents
Accurate current resistance tester tests Download PDFInfo
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- CN213903649U CN213903649U CN202022689370.4U CN202022689370U CN213903649U CN 213903649 U CN213903649 U CN 213903649U CN 202022689370 U CN202022689370 U CN 202022689370U CN 213903649 U CN213903649 U CN 213903649U
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- collecting box
- resistance tester
- current resistance
- extending
- limiting sliding
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Abstract
The utility model discloses a current resistance tester with accurate test, which comprises a main body, wherein the top of the main body is provided with a collecting box, the top of the collecting box is provided with a top cover, one end of the top cover is connected with the collecting box through a shaft, two sides of the bottom of the collecting box are respectively provided with an extending bulge, two side edges of the top of the main body are respectively provided with an extending seat, the inner side of the extending seat is provided with a limiting chute, the extending bulge extends into the limiting chute to be clamped and connected, the top of the limiting chute is provided with a clamping hole, the collecting box flexibly assembled and disassembled with the main body is designed in the utility model, accessories to be used can be placed in the collecting box to be stored, the collecting box is clamped into the limiting chute through the extending bulge, and then is clamped into the clamping hole through a telescopic clamping column, so that the main body and the collecting box are fixed, the portable collecting box is convenient to carry, and when the collecting box needs to be used, the collecting box can be detached quickly, so that the use is more convenient.
Description
Technical Field
The utility model belongs to the technical field of resistance tester, concretely relates to test accurate current resistance tester.
Background
The resistance tester is an indispensable tool for electrical safety inspection and earth work completion acceptance. The tester comprises a grounding resistance tester, an insulation resistance tester, a direct current resistance tester, a surface resistance tester and a loop resistance tester. The loop resistance measuring instrument (transformer loop resistance tester) is suitable for testing the contact resistance value of the main contact of the high-low voltage switch, the direct current resistance value of the high-low voltage cable line and the like. The intelligent loop resistance tester adopts 100A constant current output. The highest output voltage reaches 10V (2-3 times of that of a conventional instrument), a test wire with a thin loading surface can be adopted, and the labor intensity of field test personnel is greatly reduced. The test process is automatically implemented by single chip control, the precision is high, the retest is good, the single key operation is simple and easy, and the test data is displayed by liquid crystal. Is suitable for different working environments.
Present resistance tester generally all can use other accessories such as some test connecting wires when using, can be the function that does not possess the storing on present resistance tester, and is very inconvenient when carrying.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a test accurate current resistance tester to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a test accurate current resistance tester, includes the main part, the top of main part is provided with collects the box, the top of collecting the box is provided with the top cap, the one end of top cap passes through the hub connection with collecting the box, the bottom both sides of collecting the box respectively are provided with one and extend the arch, the top both sides edge of main part respectively is provided with one and extends the seat, the inboard that extends the seat is provided with the restriction spout, it connects to extend protruding extend to restriction spout interior joint, the top of restriction spout is provided with the card hole, it is provided with the card post with card hole alignment position department to extend bellied top surface, the one end of card post is passed card hole block and is fixed, it is provided with flexible groove to extend bellied surface and the other end of card post, the other end of card post extends to flexible inslot, and is connected with the spring between card post and the flexible groove.
Preferably, a calibration sliding groove is formed in an opening on the inner side of the clamping hole, the calibration sliding groove extends to an opening at one end of the extension seat and is communicated with the outside, and the width of the calibration sliding groove is consistent with the diameter of the clamping hole.
Preferably, the shape and size of the extension protrusion are matched with those of the limiting chute.
Preferably, the periphery of the bottom of the main body is provided with a supporting footing, and the bottom of the supporting footing is provided with a layer of rubber pad.
Preferably, one end of the limiting sliding groove is communicated with the outside, and the other end of the limiting sliding groove is a sealing structure.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses in design the collection box with nimble equipment of main part and split, can place the accessory that needs used and deposit in the collection box, will collect the box and advance the restriction spout through extending protruding card in, the downthehole block of card is advanced to rethread telescopic card post card for the main part is fixed with the collection box, conveniently carries, and when needs use, also can be quick pull down the collection box, use convenience more.
Drawings
Fig. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic front view of the main body of the present invention;
FIG. 3 is a schematic view of the cross-sectional partial structure at A of the present invention;
in the figure: 1. a main body; 2. an extension base; 3. clamping the column; 4. a collection box; 5. a top cover; 6. a restricting chute; 7. calibrating the chute; 8. a telescopic groove; 9. a spring; 10. an extension projection; 11. and (6) clamping the hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a test accurate current resistance tester, including main part 1, the top of main part 1 is provided with collects box 4, the top of collecting box 4 is provided with top cap 5, the one end of top cap 5 passes through the hub connection with collecting box 4, the bottom both sides of collecting box 4 respectively are provided with one and extend protruding 10, the top both sides edge of main part 1 respectively is provided with one and extends seat 2, the inboard that extends seat 2 is provided with restriction spout 6, it extends to restriction spout 6 interior joint connection to extend protruding 10, the top of restriction spout 6 is provided with card hole 11, the top surface that extends protruding 10 aligns position department with card hole 11 is provided with card post 3, the one end of card post 3 is passed card hole 11 block and is fixed, the surface that extends protruding 10 is provided with flexible groove 8 with card post 3's the other end, the other end of card post 3 extends to flexible inslot 8, and be connected with spring 9 between card post 3 and the flexible groove 8.
In this embodiment, preferably, a calibration chute 7 is disposed at an opening of the inner side of the clamping hole 11, the calibration chute 7 extends to the opening of one end of the extension seat 2 and is communicated with the outside, the width of the calibration chute 7 is consistent with the diameter of the clamping hole 11, and the clamping hole 11 is clamped smoothly for ensuring that the clamping column 3 can be clamped smoothly.
In this embodiment, it is preferable that the shape and size of the extension protrusion 10 match those of the restricting chute 6, in order to ensure stable engagement.
In this embodiment, preferably, the bottom of the main body 1 is provided with a supporting foot at the periphery, and the bottom of the supporting foot is provided with a layer of rubber pad to play a role of buffering.
In this embodiment, preferably, one end of the limiting chute 6 is communicated with the outside, and the other end of the limiting chute 6 is a sealing structure, so as to facilitate installation.
The utility model discloses a theory of operation and use flow: when needs carry, can place into collecting box 4 with the accessory in, the tight top cap 5 of lid, will collect the protruding 10 of extension of 4 bottom both sides of box and aim at the restriction spout 6 on the both sides extension seat 2 again, make extend protruding 10 slide to in the restriction spout 6, and press the card post 3 simultaneously, make the shrink of card post 3 advance flexible inslot 8, and compression spring 9, make the tip of card post 3 slide to in the calibration spout 7, until extend protruding 10 card totally advance in the restriction spout 6 after, card post 3 slides to align with card hole 11, in the effect of spring 9, pop out card post 3 and block card advance card hole 11 internal fixation can, when needs dismantle, press card post 3 once more, make card post 3 withdraw from in the card hole 11, again the pull collect box 4 can realize with main part 1 split.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a test accurate current resistance tester, includes main part (1), its characterized in that: the collecting box (4) is arranged at the top of the main body (1), the top of the collecting box (4) is provided with a top cover (5), one end of the top cover (5) is connected with the collecting box (4) through a shaft, two sides of the bottom of the collecting box (4) are respectively provided with an extending bulge (10), two side edges of the top of the main body (1) are respectively provided with an extending seat (2), the inner side of the extending seat (2) is provided with a limiting sliding groove (6), the extending bulge (10) extends into the limiting sliding groove (6) to be connected in a clamping manner, the top of the limiting sliding groove (6) is provided with a clamping hole (11), the top surface of the extending bulge (10) is provided with a clamping column (3) at the position aligned with the clamping hole (11), one end of the clamping column (3) penetrates through the clamping hole (11) to be fixedly clamped, the surface of the extending bulge (10) and the other end of the clamping column (3) are provided with a telescopic groove (8), the other end of the clamping column (3) extends into the telescopic groove (8), and a spring (9) is connected between the clamping column (3) and the telescopic groove (8).
2. The current resistance tester for testing accuracy according to claim 1, wherein: the inboard opening part of card hole (11) is provided with calibration spout (7), calibration spout (7) extend to the opening part that extends seat (2) one end and communicate with the outside, the width of calibration spout (7) keeps unanimous with the diameter of card hole (11).
3. The current resistance tester for testing accuracy according to claim 1, wherein: the shape and size of the extension bulge (10) are matched with those of the limiting sliding chute (6).
4. The current resistance tester for testing accuracy according to claim 1, wherein: the bottom of main part (1) is provided with a support footing all around respectively, and the bottom of supporting the footing is provided with a layer of rubber pad.
5. The current resistance tester for testing accuracy according to claim 1, wherein: one end of the limiting sliding groove (6) is communicated with the outside, and the other end of the limiting sliding groove (6) is of a sealing structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022689370.4U CN213903649U (en) | 2020-11-19 | 2020-11-19 | Accurate current resistance tester tests |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022689370.4U CN213903649U (en) | 2020-11-19 | 2020-11-19 | Accurate current resistance tester tests |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213903649U true CN213903649U (en) | 2021-08-06 |
Family
ID=77120112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022689370.4U Active CN213903649U (en) | 2020-11-19 | 2020-11-19 | Accurate current resistance tester tests |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213903649U (en) |
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2020
- 2020-11-19 CN CN202022689370.4U patent/CN213903649U/en active Active
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