CN217509275U

CN217509275U - DC speed regulator

Info

Publication number: CN217509275U
Application number: CN202221571986.4U
Authority: CN
Inventors: 李建明
Original assignee: Tianjin Mingchuang Nord Electric Technology Co ltd
Current assignee: Tianjin Mingchuang Nord Electric Technology Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-09-27
Anticipated expiration: 2032-06-22

Abstract

The utility model relates to a direct current speed adjusting device, including the outer container, the inside cavity of outer container, the inside fixed first installation piece that is provided with of outer container, rotationally be provided with threaded rod and stand in the first installation piece, be provided with the installing frame on the stand slidable, both ends all are provided with the extension piece about the installing frame, set up on the extension piece with threaded rod complex screw hole, through threaded connection between installing frame and the threaded rod, through the screw-thread fit of threaded rod and installing frame, drive the installing frame through rotatory threaded rod and rise or descend, the mounting groove has been seted up on the installing frame, detachably is provided with the circuit board in the mounting groove, and when being fixed with the circuit board through the installation circuit board in the mounting groove, it rises to be convenient for drive the circuit board through promoting the installing frame.

Description

DC speed regulator

Technical Field

The utility model relates to a speed adjusting device technical field specifically is direct current speed adjusting device.

Background

The direct current speed regulating device is a device for regulating the speed of machines such as a motor, the running of the machines such as the motor is combined with the requirements of people by changing the rotating speed of the motor or changing the load and the like through speed regulation, the existing direct current speed regulating device mostly adopts electronic components, circuit boards and the like to play a role in direct current speed regulation, but the existing direct current speed regulating device lacks a protection structure for the corresponding electronic components, in the using process, the electronic components are easy to be collided to cause damage and the like, which causes the damage of the device, meanwhile, the prior direct current speed regulating device is inconvenient to maintain after being damaged, the whole device needs to be disassembled from the connection with the machine for maintenance, the maintenance time is wasted, in addition, in the use process of the direct current speed regulating device, a great deal of heat can be generated by electronic components, but the existing direct current speed regulating device lacks an auxiliary heat dissipation structure, when the LED lamp is used for a long time, electronic components are easy to damage, and the efficiency of the components is reduced due to overheating.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a direct current speed adjusting device to solve the problem of mentioning in the background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the direct current speed regulating device comprises an outer box, wherein the outer box is hollow, a first mounting block is fixedly arranged in the outer box, a threaded rod and a stand column are rotatably arranged in the first mounting block, a mounting frame is slidably arranged on the stand column, extension blocks are arranged at the left end and the right end of the mounting frame respectively, a threaded hole matched with the threaded rod is formed in each extension block, the mounting frame is connected with the threaded rod through threads, the mounting frame is driven to ascend or descend through the threaded fit of the threaded rod and the mounting frame, a mounting groove is formed in the mounting frame, a circuit board is detachably arranged in the mounting groove, the circuit board is fixed in the mounting groove and is convenient to ascend through lifting the mounting frame, an electronic element and a speed regulator are arranged on the circuit board, and a groove is formed in the circuit board, the electronic element and the speed regulator are mounted in the grooves, and the grooves are convenient for mounting the electronic element and the speed regulator and protecting the electronic element and the speed regulator.

Preferably, the fixed blocks are fixedly arranged on two sides of the groove in the upper end of the circuit board, the protective shell is arranged between the two fixed blocks, the protective shell is detachably connected with the fixed blocks, and the electronic element and the speed regulator are protected through the matching of the fixed blocks and the protective shell.

Preferably in further, the spout has been seted up on the fixed block, the both ends of protective housing all be provided with spout cooperation slider, the lower extreme of protective housing and fixed block is all fixed and is provided with the connecting block, rotationally be provided with the connecting pin in the connecting block, it is a plurality of connect through the connecting pin between the connecting block, through the cooperation of slider and spout, install the protective housing between two fixed blocks, through the cooperation of connecting pin and connecting block, prevent between two fixed blocks of protective housing roll-off.

Preferably in further, the fixed second installation piece that is provided with in both ends that is located first installation piece of outer container inside, detachably is provided with the baffle between first installation piece and the second installation piece, the side of outer container is located and has seted up the louvre between two baffles, and through the cooperation of two baffles and outer container, constitute an solitary space, the heat dissipation of the circuit board of being convenient for when protecting the circuit board, the heat that produces electronic component on with the circuit board through the louvre scatters and disappears to the outer container outside from the louvre.

Preferably in further, the side of outer container is located and has seted up the air intake between two baffles, be provided with the mounting bracket on the air intake, rotationally be provided with the fan on the mounting bracket, the side detachably of mounting bracket is provided with the motor, be connected between motor and the fan, through the fan with the outside air suction of outer container between two baffles, the air takes away the heat that the circuit board produced, discharges the outside of outer container from the louvre to dispel the heat through fan auxiliary circuit board and electronic component.

Preferably in further, outer container detachably sets up the upper cover, cover on offer with installing frame complex square hole, detachably is provided with the apron on the square hole, the apron passes through the bolt and is connected with the upper cover, when needs maintenance circuit board, with apron and upper cover separation, rotatory threaded rod drives the installing frame and rises, and the installing frame rises to the outer container outside from the square hole to it is outside to drive the circuit board to rise to the outer container, is convenient for maintain the circuit board, thereby avoids dismantling whole device.

In a further preferred mode, the circuit board is provided with a plurality of clamping blocks matched with the connecting pins, and the connecting pins are fixed through the matching of the clamping blocks and the connecting pins.

(III) advantageous effects

Compared with the prior art, the utility model provides a direct current speed adjusting device possesses following beneficial effect:

1. the utility model discloses in through setting up the inside installing frame of outer container and rotate the threaded rod of being connected with the outer container, through the threaded connection of threaded rod and installing frame, the circuit board is installed in the mounting groove of installing frame, when electronic component or speed regulator on the circuit board take place to damage, promote installing frame and circuit board to the outer container outside through rotatory threaded rod, thereby be convenient for to the maintenance and the change of circuit board, thereby needn't all dismantle being connected between whole direct current speed adjusting device and the machine, save maintenance duration, be convenient for to the quick maintenance of device.

2. The utility model discloses in through fixed block and the protective housing that sets up on the circuit board, install the protective housing between two fixed blocks through the cooperation of slider and spout, protect electronic component and the speed regulator of installing in the recess, protect for the outside of whole circuit board through the baffle of installation between first installation piece and the second installation piece to avoid the device to cause electronic component's damage when colliding with by the external world.

3. The utility model discloses in through setting up the baffle of installation between inside first installation piece of outer container and the second installation piece, enclose into an solitary space around with the circuit board through the cooperation of baffle and outer container, when providing the protection for the circuit board, the fan of installation on the outer container inhales this space with the outside air from the air intake, take away the heat that the circuit board produced fast, the louvre that the opposite side was seted up on the outer container discharges the outer container outside, thereby make the heat dissipation of circuit board rapider, alleviate the damage of electronic component because the heat accumulation caused.

Drawings

Fig. 1 is a schematic view of the overall structure of the dc speed adjusting device of the present invention;

fig. 2 is a schematic structural view of the dc speed adjusting device of the present invention without the upper cover;

fig. 3 is a schematic view of the fitting structure of the outer case and the mounting frame of the dc speed adjusting device of the present invention;

fig. 4 is a schematic view of the fitting structure of the mounting frame and the circuit board of the dc speed adjusting device of the present invention;

fig. 5 is a schematic diagram of the matching structure of the upper cover and the cover plate of the medium dc speed adjusting device of the present invention.

In the figure: 1. an outer box; 2. a first mounting block; 3. a threaded rod; 4. a column; 5. installing a frame; 6. a lengthening block; 7. mounting grooves; 8. a circuit board; 9. an electronic component; 10. a speed regulator; 11. a groove; 12. a fixed block; 13. a protective shell; 14. a chute; 15. a slider; 16. connecting blocks; 17. a connecting pin; 18. a second mounting block; 19. a baffle plate; 20. heat dissipation holes; 21. an air inlet; 22. a mounting frame; 23. a fan; 24. a motor; 25. an upper cover; 26. a square hole; 27. a cover plate; 28. and (7) clamping blocks.

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 efforts all belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-5, the dc speed adjusting device includes a hollow outer case 1, a first mounting block 2 is fixedly disposed inside the outer case 1, a threaded rod 3 and a column 4 are rotatably disposed in the first mounting block 2, a mounting frame 5 is slidably disposed on the column 4, an extending block 6 is disposed at each of left and right ends of the mounting frame 5, a threaded hole matched with the threaded rod 3 is disposed on the extending block 6, the mounting frame 5 is connected with the threaded rod 3 through a thread, the mounting frame 5 is driven to ascend or descend through the thread matching between the threaded rod 3 and the mounting frame 5, a mounting groove 7 is disposed on the mounting frame 5, a circuit board 8 is detachably disposed in the mounting groove 7, the circuit board 8 is fixed by mounting the circuit board 8 in the mounting groove 7, the circuit board 8 is conveniently driven to ascend by lifting the mounting frame 5, an electronic component 9 and a speed regulator 10 are disposed on the circuit board 8, a groove 11 is formed in a circuit board 8, a plurality of grooves 11 are formed in the grooves 11, an electronic element 9 and a speed regulator 10 are installed in the grooves 11, the grooves 11 are convenient for installation of the electronic element 9 and the speed regulator 10 and protection of the electronic element 9 and the speed regulator 10, fixed blocks 12 are fixedly arranged at two sides of the grooves 11 at the upper end of the circuit board 8, a protective shell 13 is arranged between the two fixed blocks 12, the protective shell 13 is detachably connected with the fixed blocks 12, the electronic element 9 and the speed regulator 10 are protected through matching of the fixed blocks 12 and the protective shell 13, a sliding groove 14 is formed in the fixed block 12, sliding blocks 15 matched with the sliding groove 14 are arranged at two ends of the protective shell 13, connecting blocks 16 are fixedly arranged at the lower ends of the protective shell 13 and the fixed blocks 12, connecting pins 17 are rotatably arranged in the connecting blocks 16, the connecting blocks 16 are connected through the connecting pins 17 and are matched with the sliding blocks 15 and the sliding grooves 14, the protective shell 13 is installed between the two fixed blocks 12, the protective shell 13 is prevented from sliding out between the two fixed blocks 12 through the matching of the connecting pin 17 and the connecting block 16, a clamping block 28 matched with the connecting pin 17 is arranged on the circuit board 8, the clamping block 28 is provided in a plurality, the connecting pin 17 is fixed through the matching of the clamping block 28 and the connecting pin 17, the electronic element 9 and the speed regulator 10 installed in the groove 11 of the circuit board 8 are protected through the matching of the protective shell 13 and the fixed blocks 12 and the matching of the connecting pin 17 and the connecting block 16, and the electronic element 9 and the speed regulator 10 are prevented from being damaged in collision.

Referring to fig. 1-5, in the present embodiment, second mounting blocks 18 are fixedly disposed at two ends of a first mounting block 2 inside an outer case 1, a baffle 19 is detachably disposed between the first mounting block 2 and the second mounting block 18, a heat dissipating hole 20 is disposed at a side end of the outer case 1 between the two baffles 19, an independent space is formed by the cooperation of the two baffles 19 and the outer case 1, the heat dissipating hole 20 dissipates heat generated by electronic components 9 on a circuit board 8 from the heat dissipating hole 20 to the outside of the outer case 1 while protecting the circuit board 8, an air inlet 21 is disposed at the side end of the outer case 1 between the two baffles 19, a mounting frame 22 is disposed on the air inlet 21, a fan 23 is rotatably disposed on the mounting frame 22, a motor 24 is detachably disposed at a side end of the mounting frame 22, and the motor 24 is connected to the fan 23, the air outside the outer box 1 is sucked between the two baffles 19 through the fan 23, the air takes away the heat generated by the circuit board 8 and is exhausted to the outside of the outer box 1 from the heat dissipation hole 20, so that the heat dissipation is carried out by assisting the circuit board 8 and the electronic element 9 through the fan 23, the outer box 1 is detachably provided with the upper cover 25, the upper cover 25 is provided with the square hole 26 matched with the mounting frame 5, the square hole 26 is detachably provided with the cover plate 27, the cover plate 27 is connected with the upper cover 25 through the bolt, when the circuit board 8 needs to be maintained, the cover plate 27 is separated from the upper cover 25, the rotary threaded rod 3 drives the mounting frame 5 to ascend, the mounting frame 5 ascends from the square hole 26 to the outside of the outer box 1, so as to drive the circuit board 8 to ascend to the outside of the outer box 1, the maintenance of the circuit board 8 is convenient, the whole device is prevented from being disassembled, the heat dissipation of the circuit board 8 is convenient, the maintenance and the replacement of the circuit board 8 are convenient, thereby saving maintenance time.

Example 2:

in summary, when the dc governor 10 is used, the circuit board 8 is connected to an external machine through an external wire, when the direct current speed regulating device normally works, the baffle plates 19 arranged between the first mounting block 2 and the second mounting block 18 are matched with the two sides of the outer box 1 to form an independent space around the circuit board 8 and separate the circuit boards 8 arranged on the two groups of mounting frames 5 in the outer box 1 to prevent the heat generated by the circuit boards from influencing the work of the circuit board 8, the fan 23 installed at the side end of the outer box 1 sucks the air outside the outer box 1 into the outer box 1, and the air enters the baffle plate 19 and the outer box 1 to form a single space, so that the air inside the space is circulated, the heat is taken out of the inner part of the outer box 1 through the heat dissipation hole 20 opened at the side end of the outer box 1 by the air entering the space, thereby facilitating dissipation of heat generated on the circuit board 8 and preventing the electronic components 9 on the circuit board 8 from being deteriorated in efficiency or damaged due to excessive heat.

Example 3:

in summary, when the electronic component 9 or the speed regulator 10 on the circuit board 8 is damaged, the electric wire connected between the circuit board 8 and the external machine is disconnected, the cover plate 27 arranged on the upper cover 25 is opened, the threaded rod 3 is rotated, the mounting frame 5 is driven to ascend through the threaded fit between the threaded rod 3 and the mounting frame 5, so as to drive the circuit board 8 mounted in the mounting groove 7 arranged on the mounting frame 5 to ascend, so that the mounting frame 5 and the circuit board 8 ascend to the outside of the outer box 1 from the square hole 26 arranged at the upper end of the upper cover 25, the circuit board 8 is convenient to maintain and replace, after the circuit board 8 ascends, the connecting pin 17 is taken out from the fixture block 28, the connecting pin 17 is pulled, the connecting pin 17 is taken out from the connecting block 16, the protective shell 13 is pulled out between the two fixing blocks 12 through the fit between the chute 14 and the sliding block 15, and the damaged electronic component 9 is replaced, after the replacement is finished, the protective shell 13 is reinstalled, the threaded rod 3 is rotated to drive the mounting frame 5 to descend, the circuit board 8 enters the outer box 1 again, and the maintenance of the whole speed regulating device is finished, so that the whole device does not need to be dismantled for maintenance, and the maintenance time is saved.

In summary, in all the above-mentioned embodiments, the connection between two components may be selected from welding, bolt and nut fit connection, bolt or screw connection or other known connection manners according to actual situations, which are not repeated herein, and all the above-mentioned embodiments related to the fixed connection and the welding is preferred, although the embodiments of the present invention have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. The direct current speed regulation device comprises an outer box (1) and is characterized in that the outer box (1) is hollow, a first installation block (2) is fixedly arranged inside the outer box (1), a threaded rod (3) and a stand column (4) are rotatably arranged in the first installation block (2), an installation frame (5) is slidably arranged on the stand column (4), extension blocks (6) are arranged at the left end and the right end of the installation frame (5), a threaded hole matched with the threaded rod (3) is formed in each extension block (6), the installation frame (5) is in threaded connection with the threaded rod (3), an installation groove (7) is formed in the installation frame (5), a circuit board (8) is detachably arranged in each installation groove (7), an electronic element (9) and a speed regulator (10) are arranged on the circuit board (8), and a groove (11) is formed in each circuit board (8), the grooves (11) are provided in plurality, and the electronic element (9) and the speed regulator (10) are mounted in the grooves (11).

2. The direct current speed regulation device according to claim 1, wherein fixed blocks (12) are fixedly arranged at the upper end of the circuit board (8) on two sides of the groove (11), a protective shell (13) is arranged between the two fixed blocks (12), and the protective shell (13) is detachably connected with the fixed blocks (12).

3. The direct current speed regulating device according to claim 2, wherein a sliding groove (14) is formed in the fixed block (12), sliding blocks (15) matched with the sliding groove (14) are arranged at two ends of the protective shell (13), connecting blocks (16) are fixedly arranged at the lower ends of the protective shell (13) and the fixed block (12), connecting pins (17) are rotatably arranged in the connecting blocks (16), and the connecting blocks (16) are connected through the connecting pins (17).

4. The direct current speed adjusting device according to claim 1, wherein second mounting blocks (18) are fixedly disposed at two ends of the first mounting block (2) inside the outer box (1), a baffle (19) is detachably disposed between the first mounting block (2) and the second mounting block (18), and a heat dissipation hole (20) is disposed between the two baffles (19) at a side end of the outer box (1).

5. The direct current speed regulation device of claim 4, wherein an air inlet (21) is formed in the side end of the outer box (1) between the two baffle plates (19), a mounting frame (22) is arranged on the air inlet (21), a fan (23) is rotatably arranged on the mounting frame (22), a motor (24) is detachably arranged on the side end of the mounting frame (22), and the motor (24) is connected with the fan (23).

6. The direct current speed regulating device according to claim 1, wherein an upper cover (25) is detachably arranged on the outer box (1), a square hole (26) matched with the mounting frame (5) is formed in the upper cover (25), a cover plate (27) is detachably arranged on the square hole (26), and the cover plate (27) is connected with the upper cover (25) through a bolt.

7. The direct current speed regulation device according to claim 3, wherein a plurality of blocks (28) are provided on the circuit board (8) and engaged with the connecting pins (17).