CN217825817U

CN217825817U - Loop resistance tester convenient to heat dissipation

Info

Publication number: CN217825817U
Application number: CN202221810096.4U
Authority: CN
Inventors: 许勇; 李东东; 金贺
Original assignee: Shenyang Chenyuan Electric Co ltd
Current assignee: Shenyang Chenyuan Electric Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-11-15
Anticipated expiration: 2032-07-14

Abstract

The utility model discloses a return circuit resistance tester convenient to heat dissipation, including lower end box, the top fixedly connected with display screen of lower end box, the inside bottom fixedly connected with fixed block of lower end box, the one end fixedly connected with driving motor of fixed block, the first flabellum of driving motor's output shaft one end fixedly connected with, driving motor's output shaft outer wall transmission is connected with first connecting band. Through the driving motor who sets up, two first flabellums, first connecting band and vertical fixed plate, because driving motor's output shaft outer wall and the outer wall of long pivot are through the first connecting band interconnect that sets up, and the same first flabellum of the equal fixedly connected with of one end of driving motor's output shaft one end and long pivot, so when driving motor was driven, two first flabellums all can rotate along with driving motor's start-up in step, in order to reach the interior in time and efficient exhaust purpose of heat of box under with, do benefit to going on of operation.

Description

Loop resistance tester convenient to heat dissipation

Technical Field

The utility model belongs to the technical field of resistance tester, concretely relates to return circuit resistance tester convenient to heat dissipation.

Background

The resistance tester is widely applied to occasions such as electrical safety inspection and grounding engineering completion inspection, and the types of the resistance tester are many, and the resistance tester comprises a ground resistance tester, an insulation resistance tester, a ground resistance tester, a direct current resistance measuring instrument, a surface resistance tester and a loop resistance tester. When the loop resistance tester is used, a large amount of heat is easily generated in the loop resistance tester, so that the loop resistance tester with the heat dissipation function can be produced at the same time.

Traditional loop resistance tester with heat dissipation function is because its internal structure is simple, only adopts the mode of seting up the vent to dispel the heat naturally, and this kind of radiating mode effect is low, and the heat still can make the temperature of display screen rise outside if not discharge the tester in time, and in addition, loop resistance tester is when using, because electrostatic absorption, the dust adsorbs easily on the display screen, influences the operation of operation personnel, makes the operating efficiency descend. Therefore, a loop resistance tester convenient for heat dissipation is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a return circuit resistance tester convenient to heat dissipation to propose a current return circuit resistance tester in solving above-mentioned background art in the use, because its internal structure is simple, only adopt the mode of seting up the vent to dispel the heat naturally, and because of electrostatic adsorption, the dust still adsorbs easily on the display screen, thereby it is low to lead to the radiating mode effect, the temperature of display screen risees, influence operation personnel operation, be unfavorable for the operation to go on, make the problem that the operating efficiency descends.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a return circuit resistance tester convenient to heat dissipation, includes lower end box, the top fixedly connected with display screen of lower end box, the inside bottom fixedly connected with fixed block of lower end box, the one end fixedly connected with driving motor of fixed block, the first flabellum of driving motor's the first flabellum of output shaft one end fixedly connected with, driving motor's output shaft outer wall transmission is connected with first connecting band, the one end inner wall transmission of first connecting band is connected with long pivot, the same first flabellum of one end fixedly connected with of long pivot, the outer wall of long pivot is rotated and is connected with two vertical fixed plates of keeping away from each other, one of them vertical fixed plate is located between first connecting band and another the same first flabellum.

Concretely, because driving motor's output shaft outer wall and the outer wall of long pivot are through the first connecting band interconnect that sets up, and driving motor's output shaft one end and the equal fixedly connected with same first flabellum of one end of long pivot, so when driving motor is driven, two first flabellums all can rotate along with driving motor's start-up in step, in order to reach the box inside heat in time and efficient exhaust purpose that will go to the bottom, do benefit to going on of operation, through two vertical fixing plates that set up, the stability of long pivot when rotating will improve greatly.

Preferably, the other end fixedly connected with first helical gear of long pivot, the outer wall meshing of first helical gear has the second helical gear, the internal rotation of second helical gear is connected with the second flabellum, the central pivot of second flabellum passes the both ends of second helical gear, the central pivot one end of second flabellum is rotated and is connected with the gas storage box, the central pivot outer wall transmission of second flabellum is connected with the second connecting band, the one end inner wall transmission of second connecting band is connected with another the same second flabellum, two the central pivot of second flabellum interconnects through the second connecting band that sets up, another the central pivot one end of second flabellum is connected with the internal rotation of gas storage box.

Specifically, because the one end fixedly connected with first helical gear of long pivot, first helical gear is intermeshing with the second helical gear again, so when vertical fixing plate rotated, first helical gear also can rotate with the second helical gear in step, the second helical gear rotates the central pivot that will drive the second flabellum and takes place to rotate, again because the central pivot of two second flabellums is through the second connecting band interconnect who sets up, so the central pivot of two second flabellums all can rotate, two second flabellums can rotate together naturally, two second flabellums rotate and will produce the air current, the air current is outside through the follow-up exhaust apparatus that sets up.

Preferably, the outer wall of the central rotating shaft of the second fan blade is rotatably connected with a horizontal fixing plate, the inner part of the horizontal fixing plate is rotatably connected with the outer wall of the central rotating shaft of the other second fan blade, and two ends of the horizontal fixing plate are respectively fixedly connected with the inner parts of the air storage boxes.

Specifically, through the horizontal fixing plate who sets up, two second flabellums will be more stable when rotating.

Preferably, one end of the gas storage box is fixedly connected with a plurality of nozzles, the interior of each nozzle is communicated with the interior of the gas storage box, and one end of the gas storage box is provided with a plurality of circular openings.

Specifically, the air current that produces when two second flabellums rotate will be through each shower nozzle direct action that sets up on the display screen to reach the purpose of absorbent dust on the clearance display screen, the air current plays certain cooling effect simultaneously to the display screen, through a plurality of circular openings of seting up, the inside air exchange with the external world of gas storage box will be more frequent, the rotation of two second flabellums will be more smooth, indirectly improves the work efficiency of dust clearance operation.

Preferably, the ventilative opening has been seted up to the one end of end box down, the fixed square frame of one end fixedly connected with of end box down, two rectangle recesses have been seted up to the one end of fixed square frame, the inner wall sliding connection of fixed square frame has the filter screen, the one end fixedly connected with of filter screen draws the piece, two rectangle lugs of the other end fixedly connected with of filter screen.

The dust-free bottom box has the advantages that the dust can be effectively prevented from entering the inside of the bottom box through the arranged filter screen, the air circulation rate is improved, the heat dissipation effect is better, after the operation is completed, the pull block can be directly pulled, the two rectangular convex blocks can be pulled out from the inside of the two rectangular grooves at the moment, and then the filter screen can be completely pulled out to be convenient for cleaning the filter screen.

Preferably, one end of the lower bottom box is hinged with an upper bottom box, one end of the upper bottom box is fixedly connected with the same holding rod, one end of the upper bottom box is hinged with a rotating plate, one end of the rotating plate is fixedly connected with a second perforated convex block, one end of the upper bottom box is fixedly connected with a first belt Kong Tukuai, the inner wall of the first perforated convex block is rotatably connected with an inserted latch, and the outer wall of the inserted latch is rotatably connected with the inner wall of the second perforated convex block.

Specifically, to insert the bolt and take out in first area Kong Tukuai and the foraminiferous lug of second, the rotor plate can carry out certain limit's rotation this moment, and the inside of going up the end box shows this moment, and it can be used for depositing wiring plug and the gadget that the operation was used, has increased the holistic practicality of device, closes end box and last end box down, acts on two holding rods, can shift the device wholly, and through two holding rods that set up, the holistic portability of device also improves to some extent.

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

1. through the driving motor who sets up, two first flabellums, first connecting band and vertical fixed plate, because driving motor's output shaft outer wall interconnects through the first connecting band that sets up with the outer wall of long pivot, and driving motor's the equal fixedly connected with same first flabellum of output shaft one end and the one end of long pivot, so when driving motor is driven, two first flabellums all can rotate along with driving motor's start-up in step, in order to reach the box inside heat in time and the purpose of efficient exhaust that will go to the bottom, do benefit to going on of operation.

2. Through the filter screen that sets up, draw the piece, two rectangle lugs and two rectangle recesses, can avoid the dust to get into the inside of end box down effectively, improved the air circulation rate simultaneously for the radiating effect is better, treats the operation and accomplishes the back, can directly stimulate and draw the piece, and two rectangle lugs will be taken out from two rectangle recesses insidely this moment, and the filter screen can be taken out completely afterwards, is convenient for wash it.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the overall structure at another viewing angle of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a schematic view of a part of the overall structure of the present invention;

FIG. 5 is an enlarged schematic view of the whole internal structure A of the present invention;

fig. 6 is a schematic sectional view of the present invention.

In the figure: 1. a bottom box is arranged; 2. a bottom box is arranged; 3. a holding rod; 4. a display screen; 5. a ventilation opening; 6. fixing the frame; 7. a filter screen; 8. pulling the block; 9. a rectangular bump; 10. a rectangular groove; 11. a drive motor; 12. a fixed block; 13. a first fan blade; 14. a first connecting belt; 15. a long rotating shaft; 16. a vertical fixing plate; 17. a first helical gear; 18. a second helical gear; 19. a second fan blade; 20. a second connecting band; 21. a horizontal fixing plate; 22. a gas storage box; 23. a spray head; 24. a rotating plate; 25. a first belt Kong Tukuai; 26. a second apertured projection; 27. a latch; 28. a circular opening.

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. 1-6, the present invention provides a technical solution: the utility model provides a return circuit resistance tester convenient to heat dissipation, including lower end box 1, the top fixedly connected with display screen 4 of lower end box 1, the inside bottom fixedly connected with fixed block 12 of lower end box 1, the one end fixedly connected with driving motor 11 of fixed block 12, the first flabellum 13 of output shaft one end fixedly connected with of driving motor 11, driving motor 11's output shaft outer wall transmission is connected with first connecting band 14, the one end inner wall transmission of first connecting band 14 is connected with long pivot 15, the same first flabellum 13 of one end fixedly connected with of long pivot 15, the outer wall rotation of long pivot 15 is connected with two vertical fixed plate 16 of keeping away from each other, one of them vertical fixed plate 16 is located between first connecting band 14 and another the same first flabellum 13.

In this embodiment, because driving motor 11's output shaft outer wall and long pivot 15's outer wall are through the first connecting band 14 interconnect that sets up, and driving motor 11's output shaft one end and the same first flabellum 13 of the equal fixedly connected with of one end of long pivot 15, so when driving motor 11 is driven, two first flabellums 13 all can be along with driving motor 11's start-up synchronous rotation, in order to reach the purpose that will go to the box 1 inside heat of going to the bottom in time and efficient exhaust, do benefit to going on of operation, through two vertical fixing plate 16 that set up, long pivot 15 stability when rotating will improve greatly.

The other end of the long rotating shaft 15 is fixedly connected with a first bevel gear 17, the outer wall of the first bevel gear 17 is meshed with a second bevel gear 18, the inner part of the second bevel gear 18 is connected with a second fan blade 19 in a rotating mode, the central rotating shaft of the second fan blade 19 penetrates through two ends of the second bevel gear 18, one end of the central rotating shaft of the second fan blade 19 is connected with an air storage box 22 in a rotating mode, the outer wall of the central rotating shaft of the second fan blade 19 is connected with a second connecting belt 20 in a transmission mode, the inner wall of one end of the second connecting belt 20 is connected with another identical second fan blade 19 in a transmission mode, the central rotating shafts of the two second fan blades 19 are connected with each other through the arranged second connecting belt 20, and one end of the central rotating shaft of the other second fan blade 19 is connected with the inner part of the air storage box 22 in a rotating mode.

In this embodiment, since one end of the long rotating shaft 15 is fixedly connected with the first bevel gear 17, and the first bevel gear 17 is meshed with the second bevel gear 18, when the vertical fixing plate 16 rotates, the first bevel gear 17 and the second bevel gear 18 also rotate synchronously, and the rotation of the second bevel gear 18 will drive the central rotating shaft of the second fan blade 19 to rotate, and since the central rotating shafts of the two second fan blades 19 are connected with each other through the second connecting belt 20, the central rotating shafts of the two second fan blades 19 can both rotate, the two second fan blades 19 naturally rotate together, the rotation of the two second fan blades 19 will generate an air flow, and the air flow is outside the exhaust device through the subsequent arrangement.

Wherein, the outer wall of the central rotating shaft of the second fan blade 19 is rotatably connected with a horizontal fixing plate 21, the inside of the horizontal fixing plate 21 is rotatably connected with the outer wall of the central rotating shaft of the other second fan blade 19, and two ends of the horizontal fixing plate 21 are respectively fixedly connected with the inside of the air storage box 22.

In this embodiment, the two second blades 19 will be more stable when rotating through the horizontal fixing plate 21.

Wherein, a plurality of shower nozzles 23 of one end fixedly connected with of gas storage box 22, the inside and the inside of gas storage box 22 of shower nozzle 23 are linked together, and a plurality of circular openings 28 have been seted up to one end of gas storage box 22.

In this embodiment, the air current that produces when two second flabellums 19 rotate will be through each shower nozzle 23 direct action that sets up on the display screen 4, in order to reach the purpose of the adsorbed dust on the clearance display screen 4, the air current plays certain cooling effect to the display screen 4 simultaneously, through a plurality of circular openings 28 of seting up, the inside air exchange with the external world of gas storage box 22 will be more frequent, two second flabellums 19's rotation will be more smooth, indirectly improve the work efficiency of dust clearance operation.

Wherein, ventilative opening 5 has been seted up to the one end of box 1 of going to the bottom, and two rectangle recesses 10 have been seted up to the one end fixedly connected with fixed square frame 6 of box 1 at the bottom, and the inner wall sliding connection of fixed square frame 6 has filter screen 7, and the one end fixedly connected with of filter screen 7 draws piece 8, and the other end fixedly connected with of filter screen 7 has two rectangle lugs 9.

In this embodiment, through the filter screen 7 that sets up, can avoid the dust to get into the inside of end box 1 down effectively, improved the air circulation rate simultaneously for the radiating effect is better, treats that the operation is accomplished the back, can directly stimulate and draw piece 8, and two rectangle lugs 9 will be followed two rectangle recesses 10 inside and taken out this moment, and filter screen 7 can be taken out completely afterwards, is convenient for wash it.

Wherein, the one end of lower end box 1 articulates there is last end box 2, the same holding rod 3 of one end fixedly connected with of last end box 2, the one end of going up end box 2 articulates there is rotor plate 24, the foraminiferous lug 26 of one end fixedly connected with second of rotor plate 24, the one end fixedly connected with of going up end box 2 takes Kong Tukuai, the inner wall of first foraminiferous lug 25 rotates and is connected with inserted latch 27, the outer wall of inserted latch 27 rotates with the inner wall of the foraminiferous lug 26 of second and is connected.

In this embodiment, the latch 27 is pulled out from the first band Kong Tukuai and the second holed bump 26, the rotating plate 24 can rotate within a certain range at this time, the inside of the upper bottom case 2 is displayed at this time, the latch can be used for storing a wiring plug and a small tool for operation, the overall practicability of the device is improved, the lower bottom case 1 and the upper bottom case 2 are closed, the two holding rods 3 are used, the overall device can be transferred, and the overall portability of the device is improved by the two holding rods 3.

The utility model discloses a theory of operation and use flow: when the operation is carried out, the driving motor 11 is started by controlling the switch on the display screen 4, because the outer wall of the output shaft of the driving motor 11 is connected with the outer wall of the long rotating shaft 15 through the arranged first connecting belt 14, and one end of the output shaft of the driving motor 11 is fixedly connected with the same first fan blade 13 as one end of the long rotating shaft 15, when the driving motor 11 is driven, the two first fan blades 13 synchronously rotate along with the start of the driving motor 11, so as to achieve the purpose of timely and efficiently discharging the heat in the lower bottom box 1, which is beneficial to the operation, because one end of the other first fan blade 13 is fixedly connected with the long rotating shaft 15, one end of the long rotating shaft 15 is fixedly connected with the first bevel gear 17, the first bevel gear 17 is meshed with the second bevel gear 18, when the vertical fixing plate 16 rotates, the first bevel gear 17 and the second bevel gear 18 synchronously rotate, the second bevel gear 18 rotates to drive the central rotating shaft of the second fan blade 19 to rotate, and because the central rotating shafts of the two second fan blades 19 are connected with each other through the second bevel gear 20, so that the second bevel gear 19 directly drives the second rotating shaft 19 to generate dust when the operation is carried out, the operation, the second fan blade 19, the operation, and the dust is directly absorbed by the second fan blade 19, and the dust absorption efficiency of the second fan blade 19 is reduced, and the dust absorption screen directly absorbed on the operation, and the second fan screen directly absorbed by the second fan, and the second fan blade 19, and the second fan head directly and the dust absorption screen.

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 return circuit resistance tester convenient to heat dissipation, includes lower end box (1), its characterized in that: the utility model discloses a box of making tea, including end box (1), the top fixedly connected with display screen (4) of end box (1) down, the inside bottom fixedly connected with fixed block (12) of end box (1) down, the one end fixedly connected with driving motor (11) of fixed block (12), the first flabellum of output shaft one end fixedly connected with (13) of driving motor (11), the output shaft outer wall transmission of driving motor (11) is connected with first connecting band (14), the one end inner wall transmission of first connecting band (14) is connected with long pivot (15), the same first flabellum of one end fixedly connected with (13) of long pivot (15), the outer wall rotation of long pivot (15) is connected with two vertical fixed plate (16) of keeping away from each other, one of them vertical fixed plate (16) are located between first connecting band (14) and another the same first flabellum (13).

2. The loop resistance tester facilitating heat dissipation of claim 1, wherein: the other end fixedly connected with first helical gear (17) of long pivot (15), the outer wall meshing of first helical gear (17) has second helical gear (18), the internal rotation of second helical gear (18) is connected with second flabellum (19), the both ends of second helical gear (18) are passed to the central pivot of second flabellum (19), the central pivot one end rotation of second flabellum (19) is connected with gas storage box (22), the central pivot outer wall transmission of second flabellum (19) is connected with second connecting band (20), the one end inner wall transmission of second connecting band (20) is connected with another the same second flabellum (19), two the central pivot of second flabellum (19) interconnects through second connecting band (20) that set up, another the central pivot one end of second flabellum (19) is connected with the internal rotation of gas storage box (22).

3. The loop resistance tester facilitating heat dissipation of claim 2, wherein: the center pivot outer wall of second flabellum (19) rotates and is connected with horizontal fixed plate (21), the inside of horizontal fixed plate (21) rotates with the center pivot outer wall of another second flabellum (19) and is connected, the both ends of horizontal fixed plate (21) respectively with the inside fixed connection of gas storage box (22).

4. The loop resistance tester facilitating heat dissipation of claim 3, wherein: one end of the gas storage box (22) is fixedly connected with a plurality of spray heads (23), the interior of each spray head (23) is communicated with the interior of the gas storage box (22), and one end of each gas storage box (22) is provided with a plurality of circular openings (28).

5. The loop resistance tester facilitating heat dissipation of claim 1, wherein: ventilative opening (5) have been seted up to the one end of end box (1) down, the fixed square frame of one end fixedly connected with (6) of end box (1) down, two rectangle recesses (10) have been seted up to the one end of fixed square frame (6), the inner wall sliding connection of fixed square frame (6) has filter screen (7), the one end fixedly connected with of filter screen (7) draws piece (8), two rectangle lugs (9) of other end fixedly connected with of filter screen (7).

6. The loop resistance tester facilitating heat dissipation of claim 1, wherein: the lower bottom box (1) is hinged to an upper bottom box (2), one end of the upper bottom box (2) is fixedly connected with the same holding rod (3), one end of the upper bottom box (2) is hinged to a rotating plate (24), one end of the rotating plate (24) is fixedly connected with a second perforated convex block (26), one end of the upper bottom box (2) is fixedly connected with a first belt Kong Tukuai (25), the inner wall of the first belt Kong Tukuai (25) is rotatably connected with an inserted latch (27), and the outer wall of the inserted latch (27) is rotatably connected with the inner wall of the second perforated convex block (26).