CN217933347U

CN217933347U - Rotary adjusting resistance box

Info

Publication number: CN217933347U
Application number: CN202221545311.2U
Authority: CN
Inventors: 汪叶萍
Original assignee: Suzhou Shengyeda Intelligent Technology Co ltd
Current assignee: Suzhou Shengyeda Intelligent Technology Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-11-29
Anticipated expiration: 2032-06-20

Abstract

The utility model discloses a rotation regulation's resistance box, which comprises a housin, the first spring of the equal fixedly connected with in four corners of casing inner chamber bottom, the top fixedly connected with connecting plate of first spring, the inboard contact of connecting plate has the connecting block, the inboard swing joint of connecting block has the movable rod, the inboard swing joint of movable rod has the movable block, the inboard fixedly connected with attenuator of movable block, the outside fixedly connected with second spring of movable block. The utility model discloses a cooperation of casing, first spring, connecting plate, connecting block, movable rod, movable block, attenuator, second spring, elastic rod, upstand, backup pad, riser, spacer pin, resistance box body, fixed pin, fly leaf, lead screw, dead lever, motor, flabellum and radiating groove has solved some resistance boxes at present and has possessed the rotation regulation function, but antidetonation and radiating effect are poor, lead to the problem of the easy damage of resistance box.

Description

Resistance box of rotation regulation

Technical Field

The utility model relates to a resistance box technical field specifically is a resistance box of rotation regulation.

Background

A resistance box is a box resistor, which is formed by connecting a plurality of constant resistors with different resistance values according to a certain mode, the constant resistors in the resistance box are generally wound by constantan and manganese copper wires, so that the resistance values are basically not changed along with the temperature, and some resistance boxes have poor anti-seismic and heat dissipation effects although having a rotation adjusting function at present, so that the resistance boxes are easy to damage.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a resistance box of rotation regulation possesses antidetonation and radiating advantage, has solved at present some resistance boxes and has possessed rotation regulation function, but antidetonation and radiating effect are poor, leads to the easy problem of damaging of resistance box.

Technical scheme

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a resistance box of rotation regulation, includes the casing, the equal fixedly connected with first spring in four corners of casing inner chamber bottom, the top fixedly connected with connecting plate of first spring, the inboard contact of connecting plate has the connecting block, the inboard swing joint of connecting block has the movable rod, the inboard swing joint of movable rod has the movable block, the inboard fixedly connected with attenuator of movable block, the outside fixedly connected with second spring of movable block, the outside and the casing fixed connection of second spring, one side fixedly connected with elastic rod of movable rod, the equal fixedly connected with upstand in front side and the rear side at connecting plate top, the top fixedly connected with backup pad of upstand, the right side fixedly connected with riser at backup pad top, the inner chamber of riser is pegged graft and is had the spacer pin, the left side fixedly connected with resistance box body of spacer pin, the left side fixedly connected with fixed pin of resistance box body, the surface grafting of fixed pin has the fly leaf, the left axis department swing joint of fly leaf has the lead screw, the surface threaded connection of lead screw has the dead lever, the bottom and backup pad fixed connection of dead lever, axis department fixedly connected with motor on the right side has the motor, the output fixedly connected with flabellum.

Preferably, a protective net is arranged on the outer side of the fan blade, and one side of the protective net is fixedly connected with the motor.

Preferably, the middle shaft on the left side of the movable plate is movably connected with the screw rod through a bearing, and the front side of the resistance box body is movably connected with a knob.

Preferably, the two sides of the inner cavity of the shell are both provided with sliding grooves, and the inner cavity of each sliding groove is in sliding connection with the connecting plate.

Preferably, the radiating grooves are formed in the two sides of the resistor box body, and the inner cavities of the radiating grooves are fixedly connected with dust screens.

Advantageous effects

Compared with the prior art, the utility model provides a resistance box of rotation regulation possesses following beneficial effect:

1. the utility model discloses at resistance box body during operation, it rotates to drive the flabellum through the motor, can accelerate air flow rate, thereby it is high-efficient to make the heat dissipation, when taking place vibrations, the shell can take place relative motion with the backup pad, the backup pad can drive the upstand remove, the upstand drives the connecting plate and removes, the connecting plate drives first spring and takes place deformation, simultaneously the connecting plate still can drive the connecting block and remove, the connecting block drives the movable rod and removes, the movable rod drives the movable block and removes, the movable block drives second spring and attenuator and takes place deformation, can play shock-resistant effect, when the resistance box body need be dismantled, only need to rotate the lead screw, the lead screw rotates the in-process still can remove, thereby it removes to drive the fly leaf, after the fixed pin was kept away from to the fly leaf, the resistance box body drives the spacer pin and removes, after the riser was kept away from to the spacer pin, can accomplish the dismantlement of resistance box body, it possesses rotatory regulatory function to have solved present some resistance box antidetonation, but nevertheless and radiating effect are poor, lead to the problem that the resistance box is damaged easily.

2. The utility model discloses a set up the protection network, protected the flabellum, avoided flabellum and foreign object contact, through setting up the bearing, stabilized the work of fly leaf, carried out spacingly to the fly leaf, through setting up the spout, stabilized the work of connecting plate, carried out balanced support to the connecting plate, through setting up the dust screen, avoided the dust to get into the inner chamber of resistance box body.

Drawings

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

FIG. 2 is a schematic diagram of a side view structure of the resistance box body of the present invention;

FIG. 3 is a schematic sectional view of the housing of the present invention;

FIG. 4 is a side view of the connecting plate of the present invention;

fig. 5 is a schematic view of the local top view structure of the present invention.

In the figure: 1. a housing; 2. a first spring; 3. a connecting plate; 4. connecting blocks; 5. a movable rod; 6. a movable block; 7. a damper; 8. a second spring; 9. an elastic rod; 10. a vertical post; 11. a support plate; 12. a vertical plate; 13. a spacing pin; 14. a resistance box body; 15. a fixing pin; 16. a movable plate; 17. a screw rod; 18. fixing the rod; 19. a motor; 20. a fan blade; 21. a heat dissipation groove.

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. 1-5, a rotary adjustable resistance box comprises a housing 1, wherein four corners of the bottom of an inner cavity of the housing 1 are fixedly connected with first springs 2, the top of each first spring 2 is fixedly connected with a connecting plate 3, two sides of the inner cavity of the housing 1 are respectively provided with a sliding groove, the inner cavity of each sliding groove is slidably connected with the corresponding connecting plate 3, the operation of the corresponding connecting plate 3 is stabilized by the sliding grooves, the connecting plates 3 are supported in a balanced manner, the inner sides of the connecting plates 3 are contacted with connecting blocks 4, the inner sides of the connecting blocks 4 are movably connected with movable rods 5, the inner sides of the movable rods 5 are movably connected with movable blocks 6, the inner sides of the movable blocks 6 are fixedly connected with dampers 7, the outer sides of the movable blocks 6 are fixedly connected with second springs 8, the outer sides of the second springs 8 are fixedly connected with the housing 1, one side of each movable rod 5 is fixedly connected with an elastic rod 9, and the front side and the rear side of the top of the connecting plates 3 are both fixedly connected with vertical columns 10, the top of the vertical column 10 is fixedly connected with a supporting plate 11, the right side of the top of the supporting plate 11 is fixedly connected with a vertical plate 12, an inner cavity of the vertical plate 12 is inserted with a limiting pin 13, the left side of the limiting pin 13 is fixedly connected with a resistor box body 14, both sides of the resistor box body 14 are respectively provided with a heat dissipation groove 21, the inner cavity of the heat dissipation groove 21 is fixedly connected with a dust screen, dust is prevented from entering the inner cavity of the resistor box body 14 by arranging the dust screen, the left side of the resistor box body 14 is fixedly connected with a fixing pin 15, the surface of the fixing pin 15 is inserted with a movable plate 16, the middle shaft at the left side of the movable plate 16 is movably connected with a lead screw 17, the middle shaft at the left side of the movable plate 16 is movably connected with the lead screw 17 through a bearing, the front side of the resistor box body 14 is movably connected with a knob, the working of the movable plate 16 is stabilized by arranging the bearing, and the movable plate 16 is limited, the surface of the screw rod 17 is in threaded connection with a fixed rod 18, the bottom of the fixed rod 18 is fixedly connected with a support plate 11, a motor 19 is fixedly connected with a middle shaft on the right side of the vertical plate 12, the output end of the motor 19 is fixedly connected with a fan blade 20, the outer side of the fan blade 20 is provided with a protective net, one side of the protective net is fixedly connected with the motor 19, the fan blade 20 is protected by the protective net, and the fan blade 20 is prevented from contacting with foreign objects, when the resistance box body 14 works, the motor 19 drives the fan blade 20 to rotate, so that the air flow rate can be accelerated, the heat dissipation efficiency is high, when vibration occurs, the shell 1 and the support plate 11 move relatively, the support plate 11 drives the vertical column 10 to move, the vertical column 10 drives the connecting plate 3 to move, the connecting plate 3 drives the first spring 2 to deform, and the connecting plate 3 also drives the connecting block 4 to move, connecting block 4 drives movable rod 5 and removes, movable rod 5 drives movable block 6 and removes, movable block 6 drives second spring 8 and attenuator 7 and takes place to deform, can play shock-resistant effect, when resistance box body 14 needs to be dismantled, only need to rotate lead screw 17, lead screw 17 rotates the in-process still can remove, thereby drive fly leaf 16 and remove, fly leaf 16 keeps away from behind fixed pin 15, left side small-amplitude removal resistance box body 14, resistance box body 14 drives spacer pin 13 and removes, keep away from behind riser 12 at spacer pin 13, can accomplish resistance box body 14's dismantlement, some resistance boxes at present have the rotation regulation function although solved, but nevertheless poor with the radiating effect, lead to the easy antidetonation problem of damage of resistance box, control through the peripheral controller with the electrical part in this application, the peripheral controller is the PLC controller.

The working principle is as follows: when the resistance box body 14 works, the fan blades 20 are driven to rotate through the motor 19, air flow rate can be accelerated, heat dissipation is efficient, and vibration occurs, the shell 1 can move relative to the supporting plate 11, the supporting plate 11 can drive the vertical columns 10 to move, the vertical columns 10 drive the connecting plate 3 to move, the connecting plate 3 drives the first springs 2 to deform, meanwhile, the connecting plate 3 can drive the connecting blocks 4 to move, the connecting blocks 4 drive the movable rods 5 to move, the movable rods 5 drive the movable blocks 6 to move, the movable blocks 6 drive the second springs 8 and the dampers 7 to deform, vibration resistance effect can be achieved, when the resistance box body 14 needs to be disassembled, only the lead screw 17 needs to be rotated, the lead screw 17 can move in the rotating process, thereby driving the movable plate 16 to move, after the movable plate 16 is far away from the fixed pin 15, the resistance box body 14 is moved to the left side by a small amplitude, the resistance box body 14 drives the limit pin 13 to move, after the limit pin 13 is far away from the vertical plate 12, disassembly of the resistance box body 14 can be completed, the problem that some current resistance boxes have a rotating adjusting function of rotating adjustment is achieved, but the PLC is damaged, and the problem of external control device is easily controlled by a PLC, and the external control device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. A resistance box of rotation regulation, includes casing (1), its characterized in that: the four corners of the bottom of the inner cavity of the shell (1) are fixedly connected with first springs (2), the top of each first spring (2) is fixedly connected with a connecting plate (3), the inner side of each connecting plate (3) is contacted with a connecting block (4), the inner side of each connecting block (4) is movably connected with a movable rod (5), the inner side of each movable rod (5) is movably connected with a movable block (6), the inner side of each movable block (6) is fixedly connected with a damper (7), the outer side of each movable block (6) is fixedly connected with a second spring (8), the outer side of each second spring (8) is fixedly connected with the shell (1), one side of each movable rod (5) is fixedly connected with an elastic rod (9), the front side and the rear side of the top of each connecting plate (3) are fixedly connected with vertical columns (10), the top of each vertical column (10) is fixedly connected with a supporting plate (11), the right side of the top of each supporting plate (11) is fixedly connected with a vertical plate (12), the inner cavity of each vertical plate (12) is inserted with a limiting pin (13), the left side of each limiting pin (13) is fixedly connected with a resistance box body (14), the left side of each resistance box (14) is fixedly connected with a movable plate (15), and the middle shaft (16) is fixedly connected with a movable plate (15) is connected with a lead screw (16), the surface of the screw rod (17) is in threaded connection with a fixing rod (18), the bottom of the fixing rod (18) is fixedly connected with the supporting plate (11), the middle shaft on the right side of the vertical plate (12) is fixedly connected with a motor (19), and the output end of the motor (19) is fixedly connected with fan blades (20).

2. A rotationally adjustable resistance box according to claim 1, characterized in that: a protective net is arranged on the outer side of the fan blade (20), and one side of the protective net is fixedly connected with the motor (19).

3. A rotationally adjustable resistance box according to claim 1, characterized in that: the middle shaft on the left side of the movable plate (16) is movably connected with the screw rod (17) through a bearing, and the front face of the resistance box body (14) is movably connected with a knob.

4. A rotationally adjustable resistance box according to claim 1, characterized in that: the sliding grooves are formed in the two sides of the inner cavity of the shell (1), and the inner cavity of each sliding groove is connected with the connecting plate (3) in a sliding mode.

5. A rotationally adjustable resistance box according to claim 1, characterized in that: radiating grooves (21) are formed in the two sides of the resistor box body (14), and dust screens are fixedly connected to the inner cavities of the radiating grooves (21).