CN218584884U - Loop resistance tester - Google Patents

Abstract

The utility model discloses a return circuit resistance tester, including main part case, multi-functional base and line body receiver, the inside of main part case is provided with the instrument host computer, the lower extreme surface of main part case is provided with ventilative groove, multi-functional base is located the lower extreme of main part case, multi-functional base's rear end surface is provided with the motor, multi-functional base's inside is provided with transfer line, driving chain and rotary rod. The utility model provides a current return circuit resistance tester, the radiating effect is not good, accomodate the not good problem of effect, after test work accomplishes, can close the motor, can artificially stimulate the second handle this moment, drive line body receiver cooperation spout and draw out multi-functional base with the line body receiver through the second handle, then place the line body receiver after will using in the line body, return the line body receiver again, thereby when convenient inferior use, pull out the line body receiver between and take out the line body and directly use.

Description

Loop resistance tester

Technical Field

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

Background

The loop resistance tester can also be used for detecting the conditions that the direct current resistance value of a cable line is high-precision measured and the measurement of large current and micro resistance is required.

The following problems often occur in the use process of the loop resistance tester:

1. a relatively common loop resistance tester is often poor in heat dissipation effect, the loop resistance tester can generate relatively large hot air in the testing process, and if the heat dissipation is not achieved in time, the testing effect can be affected;

2. more common return circuit resistance tester is in the use, often can cooperate the return circuit resistance tester with the help of various line bodies to carry out test work, because the line body kind is more, uses the completion, places the back, when waiting to use again to look for, often need spend time to look for.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a loop resistance tester, it is convenient, practical, solved the not good problem of radiating effect, the not good of storage line body effect to solve the problem that above-mentioned background art provided.

In order to achieve the purpose, the multifunctional instrument box comprises a main body box, a multifunctional base and a wire body storage box body, wherein an instrument host is arranged inside the main body box, an instrument jack, a display screen and a test button are arranged on the upper end surface of the instrument host, a ventilating groove is formed in the lower end surface of the main body box, the multifunctional base is located at the lower end of the main body box, a motor is arranged on the rear end surface of the multifunctional base, a transmission rod, a transmission chain and a rotating rod are arranged inside the multifunctional base, the output end of the motor penetrates through the rear end surface of the multifunctional base to be in transmission connection with the transmission rod, the transmission rod is in transmission connection with the transmission chain, the transmission chain is in transmission connection with the rotating rod, radiating fins are arranged on the outer surface of the rotating rod, radiating holes are formed in the surfaces of two sides of the multifunctional base, a dustproof net is arranged inside the radiating holes, and the radiating fins are used for radiating the instrument host.

Preferably, a first handle is mounted on the front end surface of the main box, and the first handle is fixedly connected with the front end surface of the main box through welding.

Preferably, the upper end surface of the main body case is provided with a connecting rod and a main body cover, and the main body cover is rotatably connected with the main body case through the connecting rod.

Preferably, the instrument jack is in transmission connection with an instrument host, the instrument host is in transmission connection with the display screen, and the test button is in transmission connection with the display screen.

Preferably, the position of the heat sink and the position of the heat dissipation opening correspond to each other.

Preferably, a sliding groove is formed in the lower end surface of the interior of the multifunctional base, a sliding strip is arranged on the lower end surface of the line body containing box, the line body containing box is connected with the interior of the multifunctional base in a sliding mode through the sliding groove and the sliding strip, a second handle is arranged on the front end surface of the line body containing box, and the second handle is fixedly connected with the front end surface of the line body containing box through welding.

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

(1) The utility model discloses a loop resistance tester, during the use, can be earlier through the instrument jack on the upper end surface of instrument host computer, display screen and test button cooperation line body carry out test work, when test operating time overlength and when producing steam, steam can get into inside the multi-functional base by the ventilative groove of main part case lower extreme, can drive the motor this moment, the motor drives the transfer line rotation, transfer line cooperation drive chain drives the rotary rod rotation of the inside both sides of multi-functional base, the rotary rod drives the fin rotation, the accessible fin is outside the multi-functional base of hot air fan by the thermovent effluvium, thereby reach the radiating action in the test process, and the intraoral dust screen of thermovent then can prevent that the dust from getting into.

(2) The utility model discloses a return circuit resistance tester, during the use, after test work accomplishes, the motor can be closed, can artificially stimulate the second handle this moment, drive line body receiver cooperation spout and draw out multi-functional base with the line body receiver through the second handle, then place the line body receiver after will using, return the line body receiver again, thereby when convenient next use, pull out the line body receiver between and take out the line body and directly use, holistic suitability has been increased to a certain extent.

Drawings

Fig. 1 is an overall perspective view of the present invention;

FIG. 2 is a perspective view of the integral body cover of the present invention when opened;

fig. 3 is a bottom view of the main body case of the present invention;

fig. 4 is a schematic view of the inside of the multifunctional base of the present invention;

fig. 5 is a schematic view of the heat sink of the present invention;

fig. 6 is a bottom view of the wire body storage box of the present invention;

fig. 7 is a schematic view of the wire body storage box of the present invention when pulled open.

In the figure: 1. a main body case; 11. a first handle; 12. a connecting rod; 13. a main body cover; 14. an instrument host; 15. an instrument jack; 16. a display screen; 17. a test button; 18. a ventilation groove; 2. a multifunctional base; 21. an electric motor; 22. a transmission rod; 23. a drive chain; 24. rotating the rod; 25. a heat sink; 26. a heat dissipation port; 261. a dust screen; 27. a chute; 3. a wire body storage box; 31. a slide bar; 32. a second handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 1-7, the multifunctional line body storage box comprises a main body box 1, a multifunctional base 2 and a line body storage box 3, wherein an instrument host 14 is arranged inside the main body box 1, an instrument jack 15, a display screen 16 and a test button 17 are arranged on the upper end surface of the instrument host 14, a ventilation groove 18 is arranged on the lower end surface of the main body box 1, the multifunctional base 2 is positioned at the lower end of the main body box 1, a motor 21 is arranged on the rear end surface of the multifunctional base 2, a transmission rod 22, a transmission chain 23 and a rotary rod 24 are arranged inside the multifunctional base 2, the output end of the motor 21 penetrates through the rear end surface of the multifunctional base 2 to be in transmission connection with the transmission rod 22, the transmission rod 22 is in transmission connection with the transmission chain 23, the transmission chain 23 is in transmission connection with the rotary rod 24, heat dissipation fins 25 are arranged on the outer surface of the rotary rod 24, and heat dissipation ports 26 are arranged on the surfaces of two sides of the multifunctional base 2, the inside of thermovent 26 is provided with dust screen 261, fin 25 is used for the heat dissipation to instrument host 14, in use, can be earlier through the instrument jack 15 of the upper end surface of instrument host 14, display screen 16 and test button 17 cooperation line body carry out test work, when test operating time overlength and when producing steam, steam can get into inside multifunctional base 2 by ventilative groove 18 of main part case 1 lower extreme, can drive motor 21 this moment, motor 21 drives transfer line 22 rotatory, transfer line 22 cooperation drive chain 23 drives the rotatory pole 24 of the inside both sides of multifunctional base 2 rotatory, rotatory pole 24 drives fin 25 and rotates, accessible fin 25 is with the hot air fan by thermovent 26 effluvium multifunctional base 2 outsidely, thereby reach the radiating effect in the test run, and dust screen 261 in the thermovent 26 then can prevent that the dust from getting into.

Further, the first handle 11 is installed on the front end surface of the main body box 1, the first handle 11 is fixedly connected with the front end surface of the main body box 1 through welding, and the main body box 1 can be taken conveniently through the first handle 11, so that the whole body is more portable.

Further, the upper end surface of the main body case 1 is provided with a connecting rod 12 and a main body cover 13, the main body cover 13 is rotatably connected with the main body case 1 through the connecting rod 12, and the main body cover 13 can be conveniently opened by providing the connecting rod 12.

Furthermore, the instrument jack 15 is in transmission connection with the instrument host 14, the instrument host 14 is in transmission connection with the display screen 16, the test button 17 is in transmission connection with the display screen 16, and the instrument jack 15, the display screen 16 and the test button 17 are arranged to be matched with the instrument host 14 to complete test work.

Further, the position of the heat sink 25 and the position of the heat release port 26 correspond to each other, and the hot air inside can be discharged through the heat release port.

Further, the inside lower extreme surface of multi-functional base 2 is provided with spout 27, the lower extreme surface mounting of line body receiver 3 has draw runner 31, line body receiver 3 passes through spout 27 and draw runner 31 and multi-functional base 2's inside sliding connection, the front end surface mounting of line body receiver 3 has second handle 32, second handle 32 is connected with the front end fixed surface of line body receiver 3 through the welding, in use, after test work is accomplished, can close motor 21, can artificially stimulate second handle 32 this moment, drive line body receiver 3 cooperation spout 27 and draw out multi-functional base 2 with line body receiver 3 through second handle 32, then place line body receiver 3 with the line body after using, again return line body receiver 3, thereby when making things convenient for next use, pull out line body receiver 3 between and take out the line body and directly use, holistic suitability has been increased to a certain extent.

The working principle is as follows: the utility model discloses a return circuit resistance tester, can make things convenient for taking of main part case 1 through setting up the first in command 11, thereby make whole more portable, can conveniently open main part lid 13 through setting up connecting rod 12, during the use, can be earlier through the instrument jack 15 of the upper end surface of instrument host 14, display screen 16 and test button 17 cooperation line body carry out test work, when test working time overlength and when producing steam, steam can get into multi-functional base 2 inside by the ventilative groove 18 of main part case 1 lower extreme, but this moment actuating motor 21, motor 21 drives transfer line 22 rotatory, transfer line 22 cooperation drive chain 23 drives the rotary rod 24 rotation of the 2 inside both sides of multi-functional base, rotary rod 24 drives fin 25 and rotates, through setting up five with fin 25, can make the radiating effect better, accessible fin 25 is with the hot air fan by thermovent 26 effluvium 2 outsides of multi-functional base, thereby reach the radiating effect in the test process, and dust screen 261 in the thermovent 26 can prevent that the dust from getting into, after test work is accomplished, can close motor 21, this moment artificially stimulate second in command 32, it makes things convenient for taking out 3 cooperation of the line bodies to use the 3 after 3 lines body cooperation, thereby the cooperation degree of the storage box is increased the line body again.

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 (6)

1. Loop resistance tester, including main part case (1), multi-functional base (2) and line body receiver (3), its characterized in that: the multifunctional instrument is characterized in that an instrument host (14) is arranged inside the main box (1), an instrument jack (15), a display screen (16) and a test button (17) are arranged on the upper end surface of the instrument host (14), a ventilation groove (18) is formed in the lower end surface of the main box (1), the multifunctional base (2) is located at the lower end of the main box (1), a motor (21) is arranged on the rear end surface of the multifunctional base (2), a transmission rod (22), a transmission chain (23) and a rotating rod (24) are arranged inside the multifunctional base (2), the output end of the motor (21) penetrates through the rear end surface of the multifunctional base (2) and is in transmission connection with the transmission rod (22), the transmission rod (22) is in transmission connection with the transmission chain (23), the transmission chain (23) is in transmission connection with the rotating rod (24), cooling fins (25) are arranged on the outer surface of the rotating rod (24), cooling holes (26) are formed in the surfaces of two sides of the multifunctional base (2), a dustproof net (261) is arranged inside the cooling fins (25) and used for cooling the instrument host (14).

2. The loop resistance tester of claim 1, wherein: the front end surface of the main body box (1) is provided with a first handle (11), and the first handle (11) is fixedly connected with the front end surface of the main body box (1) through welding.

3. The loop resistance tester of claim 1, wherein: the upper end surface of the main body box (1) is provided with a connecting rod (12) and a main body cover (13), and the main body cover (13) is rotatably connected with the main body box (1) through the connecting rod (12).

4. The loop resistance tester of claim 3, wherein: the instrument plug hole (15) is in transmission connection with the instrument host (14), the instrument host (14) is in transmission connection with the display screen (16), and the test button (17) is in transmission connection with the display screen (16).

5. The loop resistance tester of claim 1, wherein: the position of the radiating fin (25) corresponds to the position of the radiating opening (26).

6. The loop resistance tester of claim 1, wherein: the multifunctional base is characterized in that a sliding groove (27) is formed in the surface of the lower end inside the multifunctional base (2), a sliding strip (31) is arranged on the surface of the lower end of the line body storage box (3), the line body storage box (3) is connected with the multifunctional base (2) in a sliding mode through the sliding groove (27) and the sliding strip (31), a second handle (32) is arranged on the surface of the front end of the line body storage box (3), and the second handle (32) is fixedly connected with the surface of the front end of the line body storage box (3) through welding.

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