CN212207511U

CN212207511U - Portable resistance tester

Info

Publication number: CN212207511U
Application number: CN202020602337.0U
Authority: CN
Inventors: 吕劲松; 吕春江; 朱为保; 童连唐; 耿鹏; 章静; 刘磊
Original assignee: Huainan City Songjiang Electronic LLC
Current assignee: Huainan City Songjiang Electronic LLC
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-12-22
Anticipated expiration: 2030-04-21

Abstract

The utility model belongs to the technical field of resistance tester, specifically disclose a portable resistance tester, including shell package and servo motor, the top of shell package is provided with the display screen, and the lower extreme of shell package is provided with the draw-in groove, the rear end of shell package is provided with the connecting piece, and the top of connecting piece is provided with the case lid, the front end of shell package is provided with portable frame, the inside upper end of shell package is provided with the tester base plate, the inside of shell package is provided with the drying hole. This portable resistance tester compares with current ordinary resistance tester, through threaded rod, thread bush and bearing for the threaded connection who constitutes between threaded rod and the thread bush can reciprocate the fly leaf, utilizes the grip ring can cup joint the test pencil, thereby makes after square change motor rotates, and the test pencil can reciprocate and carry out the measurement of resistance to the battery, need not with the help of the manpower, uses manpower sparingly the operation of being convenient for.

Description

Portable resistance tester

Technical Field

The utility model relates to a resistance tester technical field specifically is a portable resistance tester.

Background

The resistance tester is an indispensable tool for electrical safety inspection and ground fault completion acceptance, and comprises a ground resistance tester, an insulation resistance tester, a direct current resistance tester, a surface resistance tester and a loop resistance tester, wherein the loop resistance tester is suitable for testing the contact resistance value of a main contact of a high-low voltage switch, the direct current resistance value of a high-low voltage cable line and the like, the intelligent loop resistance tester adopts 100A constant current output and is suitable for different working environments, and the ground resistance tester is a common instrument for testing and measuring ground resistance and is developed at a rapid pace in computer technology in the coming years, so the ground resistance tester also permeates a large amount of microprocessor technologies, and the measurement function, the content and the precision of the ground resistance tester cannot be compared with those of common instruments.

Current resistance tester, the structure is complicated, the installation of not being convenient for to carry, when the battery carries out resistance detection, most need use staff's manual, detect, extravagant manpower and detection speed are slow, extremely inconvenient use, when the tester is located the interior test of more moist environment for a long time, its inside part easily wets and damages, reduction equipment life, the user demand who satisfies people that can not be fine, to above-mentioned condition, carry out technical innovation on current resistance tester basis.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable resistance tester to it is complicated to provide general structure in solving above-mentioned background art, portable installation not, when the battery carries out resistance detection, mostly need be with staff's manual, detect, extravagant manpower and detection speed are slow, extremely inconvenient use, when the tester is located the interior test of more moist environment for a long time, its inside part easily wets the damage, reduce equipment life, the not fine user demand problem who satisfies people.

In order to achieve the above object, the utility model provides a following technical scheme: a portable resistance tester comprises a shell bag and a servo motor, wherein a display screen is arranged above the shell bag, a clamping groove is formed in the lower end of the shell bag, a connecting piece is arranged at the rear end of the shell bag, a box cover is arranged above the connecting piece, a clamping block is arranged above the box cover, a handheld frame is arranged at the front end of the shell bag, a fixing box is arranged inside the shell bag, a tester substrate is arranged at the upper end of the inside of the shell bag, drying blocks are arranged on the left side and the right side of the tester substrate, drying holes are formed in the inside of the shell bag, a connecting wire is arranged below the tester substrate, a test pencil is arranged below the connecting wire, a threaded sleeve is arranged below the servo motor, the servo motor is located on the left side and the right side of the connecting wire, a connecting rod is arranged on the right side of the threaded sleeve, and a clamping ring is arranged on the right side of the connecting rod, the utility model discloses a clamp plate, including threaded sleeve, fly leaf, bearing, reset spring, clamping plate, battery, handle, slide block, clamp plate, baffle.

Preferably, the central axis of the storage battery coincides with the central axis of the fixing plate, and the fixing plate is connected with the sliding block through a return spring.

Preferably, the clamping plate and the sliding block are of an integrated structure, and the central axis of the clamping plate is symmetrical to the central axis of the threaded rod.

Preferably, the threaded rod penetrates through the interior of the threaded sleeve, and the threaded sleeve is connected with the clamping ring through a connecting rod.

Preferably, the threaded rod rotates through servo motor and constitutes revolution mechanic, and coincides between the axis of threaded rod and the axis of bearing mutually.

Preferably, the shell package is connected with the movable plate through a buffer spring, and the central axis of the shell package coincides with the central axis of the box cover.

Preferably, a clamping structure is formed between the clamping block and the clamping groove, and the clamping block and the box cover are of an integrated structure.

Preferably, the clamping plate and the handle are of an integrated structure, and the central axis of the clamping plate is symmetrical to the central axis of the tester substrate.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a threaded rod, thread bush and bearing for the threaded connection who constitutes between threaded rod and the thread bush can reciprocate the fly leaf, utilizes the grip ring can cup joint the test pencil, thereby makes after square change of motor rotates, the test pencil can reciprocate and carry out the measurement of resistance to the battery, need not with the help of the manpower, uses manpower sparingly to be convenient for operate, relies on buffer spring, can be to being connected fixedly between fly leaf and the shell package, also plays the cushioning effect, avoids the test pencil descending speed too fast, leads to measuring numerical value's unstability;

2. the utility model can fix the case cover and the shell bag in a clamping way through the clamping block and the clamping groove, is convenient for protecting the fixed case and the display screen in the outer shell bag, prevents the damage in the moving process, can be conveniently carried and moved when the equipment needs to move by depending on the portable frame, can dry and ventilate the internal parts of the tester by depending on the drying block and the drying hole, avoids damaging the internal parts after being wetted due to long-term work in a humid environment, and shortens the service life;

3. the utility model discloses a sliding construction who constitutes between slider and the second spout can remove the grip block, with the help of handle pulling grip block, can change and install the battery, utilizes reset spring's elastic action, and after the installation was accomplished, reset spring resets, and the battery is fixed, and the operator of being convenient for changes and installs the battery.

Drawings

FIG. 1 is a schematic view of the internal structure of the fixing box of the present invention;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1;

fig. 3 is a schematic view of the top view structure of the present invention.

In the figure: 1. a shell bag; 2. a portable frame; 3. a display screen; 4. a connecting member; 5. a card slot; 6. a clamping block; 7. drying the pores; 8. a storage battery; 9. a buffer spring; 10. a first chute; 11. a threaded rod; 12. a servo motor; 13. drying the blocks; 14. a tester substrate; 15. a fixing plate; 16. a bearing; 17. a return spring; 18. a handle; 19. a movable plate; 20. a threaded sleeve; 21. a test pencil; 22. a connecting wire; 23. a slider; 24. a second chute; 25. a clamping plate; 26. a box cover; 27. a fixed box; 28. a clamp ring; 29. a connecting rod.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a portable resistance tester comprises an outer shell bag 1 and a servo motor 12, wherein a display screen 3 is arranged above the outer shell bag 1, a clamping groove 5 is formed in the lower end of the outer shell bag 1, a connecting piece 4 is arranged at the rear end of the outer shell bag 1, a box cover 26 is arranged above the connecting piece 4, a clamping structure is formed between the clamping block 6 and the clamping groove 5, the clamping block 6 and the box cover 26 are of an integrated structure, the box cover 26 and the outer shell bag 1 can be clamped and fixed through the clamping block 6 and the clamping groove 5, a fixed box 27 and the display screen 3 in the outer shell bag 1 can be protected conveniently, damage in the moving process is prevented, the clamping block 6 is arranged above the box cover 26, a hand-held frame 2 is arranged at the front end of the outer shell bag 1, a fixed box 27 is arranged in the outer shell bag 1, and the hand-held frame 2 is relied on, so that the portable resistance tester can be;

the tester base plate 14 is arranged at the upper end of the inside of the casing package 1, the drying blocks 13 are arranged on the left side and the right side of the tester base plate 14, the drying holes 7 are arranged in the casing package 1, internal parts of the tester can be dried and ventilated by means of the drying blocks 13 and the drying holes 7, the damage to the internal parts after being affected by moisture due to long-term work in a humid environment is avoided, the service life is shortened, the connecting wire 22 is arranged below the tester base plate 14, the test pencil 21 is arranged below the connecting wire 22, the threaded sleeve 20 is arranged below the servo motor 12, the servo motor 12 is positioned on the left side and the right side of the connecting wire 22, the connecting rod 29 is arranged on the right side of the threaded sleeve 20, the clamping ring 28 is arranged on the right side of the connecting rod 29, the threaded rod 11 is arranged inside the threaded sleeve 20, the movable plate 19 is arranged on the left side of the threaded sleeve, the threaded sleeve 20 is connected with the clamping ring 28 through a connecting rod 29;

the left side of the movable plate 19 is provided with a first sliding chute 10, the lower part of the movable plate 19 is provided with a buffer spring 9, the shell package 1 is connected with the movable plate 19 through the buffer spring 9, the central axis of the shell package 1 is coincided with the central axis of the box cover 26, the movable plate 19 and the shell package 1 can be connected and fixed by the buffer spring 9, the buffer effect is also achieved, the phenomenon that the descending speed of the test pencil 21 is too high to cause instability of a measured value is avoided, the fixed plate 15 is arranged below the threaded rod 11, the left side and the right side of the inner upper end of the fixed plate 15 are respectively provided with a bearing 16, the right side of the bearing 16 is provided with a second sliding chute 24, the sliding block 23 is arranged above the second sliding chute 24, the threaded rod 11 rotates through the servo motor 12 to form a rotating structure, the central axis of the threaded rod 11 is coincided with the central, the threaded connection formed between the threaded rod 11 and the threaded sleeve 20 can move the movable plate 19 up and down, and the test pencil 21 can be sleeved by the clamping ring 28, so that after the square rotating motor 12 rotates, the test pencil 21 can move up and down to measure the resistance of the storage battery 8, manpower is not needed, and manpower is saved and operation is facilitated;

the left side of the sliding block 23 is provided with a return spring 17, a clamping plate 25 is arranged above the sliding block 23, the central axis of the storage battery 8 coincides with the central axis of the fixing plate 15, the fixing plate 15 is connected with the sliding block 23 through the return spring 17, the clamping plate 25 can be moved through a sliding structure formed between the sliding block 23 and the second sliding groove 24, the clamping plate 25 is pulled by a handle 18, the storage battery 8 can be replaced and installed, the storage battery 8 is arranged in the clamping plate 25, the handle 18 is arranged on the right side of the clamping plate 25, the clamping plate 25 and the handle 18 are of an integrated structure, the central axes of the clamping plate 25 and the central axis of the tester substrate 14 are symmetrical, the return spring 17 resets after installation by utilizing the elastic action of the return spring 17, the storage battery 8 is fixed, and an operator can replace and install the storage battery 8 conveniently, the clamping plate 25 and the sliding block 23 are of an integrated structure, and the central axis of the clamping plate 25 is symmetrical to the central axis of the threaded rod 11.

The working principle is as follows: when the portable resistance tester is used, firstly, the servo motor 12 is connected with a power supply, the rotating speed is adjusted, when the servo motor rotates 12, the threaded rod 11 and the bearing 16 are matched with the threaded sleeve 20 to rotate, the test pencil 21 is sleeved by the clamping ring 28, the test pencil 21 can move up and down through the matching movement between the movable plate 19 and the buffer spring 9, when the resistance test of the storage battery 8 is required, the sliding fit between the sliding block 23 and the second sliding groove 24 is utilized to pull the handles 18 at two sides, the return spring 17 is in a stretching state, the storage battery 8 is placed between the two clamping plates 25, the elastic action of the return spring 17 is utilized to loosen the handles 18, the return spring 17 is reset, at the moment, the clamping plates 25 fix the storage battery, when the buffer spring 9 is in an extremely compressed state, the test pencil 21 contacts the storage battery 8, carry out the measurement of resistance, the measured value shows on display screen 3, after finishing measuring, can carry out the block with case lid 26 according to fixture block 6 and draw-in groove 5 fixedly with shell package 1, and the protection tester of being convenient for, the dry piece 13 in the shell package 1 is convenient for ventilate and dry to the tester inside for a long time with dry hole 7, and the protection internals of being convenient for receive damp damage, and this is exactly this portable resistance tester's theory of operation.

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

1. The utility model provides a portable resistance tester, includes shell package (1) and servo motor (12), its characterized in that: a display screen (3) is arranged above the casing package (1), a clamping groove (5) is arranged at the lower end of the casing package (1), a connecting piece (4) is arranged at the rear end of the casing package (1), a box cover (26) is arranged above the connecting piece (4), a clamping block (6) is arranged above the box cover (26), a hand-held rack (2) is arranged at the front end of the casing package (1), a fixing box (27) is arranged inside the casing package (1), a tester substrate (14) is arranged at the upper end inside the casing package (1), drying blocks (13) are arranged on the left side and the right side of the tester substrate (14), drying holes (7) are arranged inside the casing package (1), a connecting wire (22) is arranged below the tester substrate (14), a test pencil (21) is arranged below the connecting wire (22), a threaded sleeve (20) is arranged below the servo motor (12), the servo motor (12) is positioned on the left side and the right side of the connecting wire (22), the right side of the threaded sleeve (20) is provided with a connecting rod (29), the right side of the connecting rod (29) is provided with a clamping ring (28), the threaded sleeve (20) is internally provided with a threaded rod (11), the left side of the threaded sleeve (20) is provided with a movable plate (19), the left side of the movable plate (19) is provided with a first sliding groove (10), a buffer spring (9) is arranged below the movable plate (19), a fixed plate (15) is arranged below the threaded rod (11), bearings (16) are arranged on the left side and the right side of the upper end inside the fixed plate (15), the right side of each bearing (16) is provided with a second sliding groove (24), a sliding block (23) is arranged above the second sliding groove (24), a return spring (17) is arranged on the left side of the sliding block (23), and a clamping plate (, the inside of grip block (25) is provided with battery (8), and the right side of grip block (25) is provided with handle (18).

2. A portable resistance tester as claimed in claim 1, wherein: the central axis of the storage battery (8) coincides with the central axis of the fixing plate (15), and the fixing plate (15) is connected with the sliding block (23) through a return spring (17).

3. A portable resistance tester as claimed in claim 1, wherein: the clamping plate (25) and the sliding block (23) are of an integrated structure, and the central axis of the clamping plate (25) is symmetrical to the central axis of the threaded rod (11).

4. A portable resistance tester as claimed in claim 1, wherein: the threaded rod (11) penetrates through the interior of the threaded sleeve (20), and the threaded sleeve (20) is connected with the clamping ring (28) through a connecting rod (29).

5. A portable resistance tester as claimed in claim 1, wherein: threaded rod (11) rotate through servo motor (12) and constitute revolution mechanic, and coincide between the axis of threaded rod (11) and the axis of bearing (16).

6. A portable resistance tester as claimed in claim 1, wherein: the outer shell bag (1) is connected with the movable plate (19) through the buffer spring (9), and the central axis of the outer shell bag (1) coincides with the central axis of the box cover (26).

7. A portable resistance tester as claimed in claim 1, wherein: a clamping structure is formed between the clamping block (6) and the clamping groove (5), and the clamping block (6) and the box cover (26) are of an integrated structure.

8. A portable resistance tester as claimed in claim 1, wherein: the clamp plate (25) and the handle (18) are of an integrated structure, and the central axis of the clamp plate (25) is symmetrical to the central axis of the tester substrate (14).