CN214753182U

CN214753182U - Moisture-proof resistor

Info

Publication number: CN214753182U
Application number: CN202121293385.7U
Authority: CN
Inventors: 许少波; 许勇; 许少泽; 孙伟
Original assignee: Anhui Power Electric Ltd
Current assignee: Anhui Power Electric Ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2021-11-16
Anticipated expiration: 2031-06-09

Abstract

The utility model discloses a damp-proof resistor, which comprises two oppositely arranged supporting seats, wherein a threaded sleeve is connected between the two supporting seats, and the inside of the threaded sleeve is connected with a fixed sleeve through thread fit; the top of the fixed sleeve is fixed with an end cover through a bolt; a first through hole is formed in the center of the bottom of the fixed sleeve, and a second through hole is formed in the center of the end cover; a resistor body is arranged in the fixed sleeve, and two ends of the resistor body are respectively contacted with the inner side of the end cover and the inner bottom wall of the fixed sleeve; two ends of the resistor body are respectively provided with a connecting terminal, and the two connecting terminals respectively penetrate through the first through hole and the second through hole; along a plurality of drying boxes that are used for storing the drier granule of circumference equipartition, each on the inner wall of fixed sleeve the top of drying box contacts with the end cover respectively, the utility model discloses, have good humidity resistance, the radiating effect is good simultaneously.

Description

Moisture-proof resistor

Technical Field

The utility model relates to a resistor technical field specifically is a dampproofing resistor.

Background

The resistor is a current limiting element. After the resistor is connected in the circuit, the resistance of the resistor is fixed, generally two pins, which can limit the current passing through the branch to which the resistor is connected. The variety of resistors is various, and the resistors are the most applied elements in electronic circuits, and usually form different series according to power and resistance value, and are selected by circuit designers.

In order to ensure the reliability and stability of the operation of the resistor, it is necessary to ensure that it operates in a relatively constant dry environment. The existing resistor is poor in moisture-proof and damp-proof capacity, when the resistor works in a humid environment, water vapor and the like easily permeate into the resistor, the accurate performance of the resistor is affected, and meanwhile the working reliability of the resistor is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a damp-proof resistor to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a damp-proof resistor comprises a base and a support, wherein the base comprises two support seats which are arranged oppositely, a threaded sleeve is connected between the two support seats, and a fixed sleeve is connected inside the threaded sleeve in a threaded fit manner;

the top of the fixed sleeve is fixed with an end cover through a bolt; a first through hole is formed in the center of the bottom of the fixed sleeve, and a second through hole is formed in the center of the end cover;

a resistor body is arranged in the fixed sleeve, and the inner side of the end cover of the resistor body is respectively contacted with the inner bottom wall of the fixed sleeve;

two ends of the resistor body are respectively provided with a connecting terminal, and the two connecting terminals respectively penetrate through the first through hole and the second through hole;

a plurality of drying boxes for storing drying agent particles are uniformly distributed on the inner wall of the fixed sleeve along the circumference, and the top of each drying box is respectively contacted with the end cover; the outer wall of the fixing sleeve is provided with a plurality of radiating holes, and each radiating hole is respectively positioned between two adjacent drying boxes.

Furthermore, a plurality of vent holes are uniformly distributed on one side of the drying box, and the diameters of the vent holes are smaller than the diameters of the desiccant particles stored in the drying box.

Furthermore, a mounting seat is connected between the two supporting seats, a fan is mounted in the mounting seat, and the fan is located under the fixed sleeve.

Furthermore, a fan switch is installed on one side of the installation base and used for controlling starting and stopping of the fan.

Furthermore, a plurality of fan-shaped holes are uniformly distributed on the circumference of the bottom of the fixed sleeve.

Furthermore, the supporting seat is provided with an installation groove.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the drying box is provided with a plurality of drying boxes, drying agent particles are stored in the drying boxes, so that the drying of the resistor body is improved, and meanwhile, the fan is arranged, so that the drying effect is further improved, and the heat dissipation of the resistor body is facilitated; in addition, the resistor body is arranged in the sleeve, and the end cover at one end of the sleeve is detachable, so that the resistor body is also convenient to detach.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

fig. 2 is a schematic view of the installation of the resistor body of the present invention;

FIG. 3 is a schematic structural view of the fan-shaped holes of the present invention;

fig. 4 is a schematic view of the installation of the drying box of the present invention;

fig. 5 is a schematic diagram of the resistor body structure of the present invention;

FIG. 6 is a schematic view of the threaded sleeve installation of the present invention;

in the figure: 1. a supporting seat; 11. mounting grooves; 2. fixing the sleeve; 21. heat dissipation holes; 22. a first through hole; 23. a sector hole; 3. a threaded sleeve; 4. a resistor body; 41. a wiring terminal; 5. an end cap; 51. a second through hole; 6. a mounting seat; 61. a fan; 62. a fan switch; 7. drying the box; 71. and (4) a vent 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.

Referring to fig. 1-6, the present invention provides a technical solution: a damp-proof resistor comprises two oppositely arranged supporting seats 1, a threaded sleeve 3 is connected between the two supporting seats 1, a fixed sleeve 2 is arranged inside the threaded sleeve 3, an external thread is arranged at the middle position of the outer side of the fixed sleeve 2, and the external thread is matched with the threaded sleeve 3, so that the fixed sleeve 2 is connected into the threaded sleeve 3 in a threaded fit manner; an end cover 5 is fixed at the top of the fixed sleeve 2 through a bolt, and the bolt connected between the lower end cover 5 and the fixed sleeve 2 is disassembled, so that the end cover 5 can be disassembled; a first through hole 22 is formed in the center of the bottom of the fixed sleeve 2, and a second through hole 51 is formed in the center of the end cover 5; a resistor body 4 is arranged in the fixed sleeve 2, the inner side of an end cover 5 of the resistor body 4 is respectively contacted with the inner bottom wall of the fixed sleeve 2, and the resistor body 4 can be moved out of the fixed sleeve 2 after the end cover 5 is disassembled; two ends of the resistor body 4 are respectively provided with a connecting terminal 41, and the two connecting terminals 41 respectively pass through the first through hole 22 and the second through hole 51; a plurality of drying boxes 7 for storing drying agent particles are uniformly distributed on the inner wall of the fixed sleeve 2 along the circumference, and the top of each drying box 7 is respectively contacted with the end cover 5; the outer wall of the fixing sleeve 2 is provided with a plurality of heat dissipation holes 21, the heat dissipation holes 21 may be in a shape of a strip, a circle, etc., and each heat dissipation hole 21 is located between two adjacent drying boxes 7.

A plurality of vent holes 71 are uniformly distributed on one side of the drying box 7, and the diameters of the vent holes 71 are smaller than the diameters of the desiccant particles stored in the drying box 7, so that after the desiccant particles are placed in the drying box 7, the desiccant particles cannot fall out of the vent holes 71, and after the desiccant particles are placed, the inside of the fixing sleeve 2 is dried conveniently, and the moisture prevention of the resistor body 4 is realized.

An installation seat 6 is connected between the two support seats 1, and two sides of the installation seat 6 can be respectively connected with the support seats 1 of the union through bolts; a fan 61 is arranged in the mounting seat 6, and the fan 61 is positioned right below the fixed sleeve 2; a fan switch 62 is installed on one side of the installation seat 6, the fan switch 62 is used for controlling the start and stop of the fan 61, the fan 61 is started through the fan switch 62, and air flow is blown upwards when the fan 61 works, so that the air flow around the fixed sleeve 2 is accelerated, the heat dissipation effect is improved, and the heat dissipation of the resistor body 4 is accelerated; on the other hand, the gas flow is accelerated to be contacted with the desiccant particles, so that the drying effect is promoted.

A plurality of fan-shaped holes 23 are evenly distributed on the circumference of the bottom of the fixed sleeve 2, and the plurality of fan-shaped holes 23 are arranged, so that the fan 61 can accelerate the air flow in the fixed sleeve 2 to flow.

The supporting seat 1 is provided with a mounting groove 11, and the mounting groove 11 is convenient for mounting the two supporting seats 1 in a limiting manner, so that the whole resistor device can be mounted and fixed conveniently.

The working principle is as follows: the fixed sleeve 2 is connected with the threaded sleeve 3 in a matched manner through threads, and the installation height of the fixed sleeve 2 can be changed by rotating the fixed sleeve 2, so that the height of the resistor body 4 is adjusted, the wiring requirements of the resistor body 4 at different heights are facilitated, and the wiring is facilitated; meanwhile, a plurality of drying boxes 7 are provided, which facilitates to improve the drying of the inside of the fixed sleeve 2, thereby keeping the resistor body 4 dry; the fan 61 works to improve the heat dissipation and drying effects; and the end cover 5 is connected with the fixed sleeve 2 through a bolt, so that the end cover 5 can be detached, the resistor body 4 is convenient to move out, the resistor body 4 is convenient to overhaul and replace, and desiccant particles are convenient to add into the drying box 7.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A moisture-resistant resistor, characterized by: the support comprises two opposite support seats (1), a threaded sleeve (3) is connected between the two support seats (1), and a fixed sleeve (2) is connected inside the threaded sleeve (3) in a threaded fit manner;

an end cover (5) is fixed at the top of the fixed sleeve (2) through a bolt; a first through hole (22) is formed in the center of the bottom of the fixed sleeve (2), and a second through hole (51) is formed in the center of the end cover (5);

a resistor body (4) is arranged inside the fixed sleeve (2), and two ends of the resistor body (4) are respectively contacted with the inner side of the end cover (5) and the inner bottom wall of the fixed sleeve (2);

two ends of the resistor body (4) are respectively provided with a connecting terminal (41), and the two connecting terminals (41) respectively penetrate through the first through hole (22) and the second through hole (51);

a plurality of drying boxes (7) for storing drying agent particles are uniformly distributed on the inner wall of the fixed sleeve (2) along the circumference, and the top of each drying box (7) is respectively contacted with the end cover (5); the outer wall of the fixed sleeve (2) is provided with a plurality of heat dissipation holes (21), and each heat dissipation hole (21) is respectively positioned between two adjacent drying boxes (7).

2. A moisture-resistant resistor as claimed in claim 1, characterized in that: a plurality of vent holes (71) are uniformly distributed on one side of the drying box (7), and the diameters of the vent holes (71) are smaller than the diameters of the desiccant particles stored in the drying box (7).

3. A moisture-resistant resistor as claimed in claim 1, characterized in that: two still be connected with a mount pad (6) between supporting seat (1), install fan (61) in mount pad (6), fan (61) are located under fixed sleeve (2).

4. A moisture-resistant resistor as claimed in claim 3, characterized in that: a fan switch (62) is installed on one side of the installation seat (6), and the fan switch (62) is used for controlling starting and stopping of the fan (61).

5. A moisture-resistant resistor as claimed in claim 1, characterized in that: a plurality of fan-shaped holes (23) are uniformly distributed on the circumference of the bottom of the fixed sleeve (2).

6. A moisture-resistant resistor as claimed in claim 1, characterized in that: the supporting seat (1) is provided with an installation groove (11).