CN211559807U

CN211559807U - Speed adjusting and indicating device for main engine of handheld mixer

Info

Publication number: CN211559807U
Application number: CN201921115554.0U
Authority: CN
Inventors: 晏月新
Original assignee: Dongguan Ruixin Technology Co ltd
Current assignee: Shiny Elec Co ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-09-25
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a handheld mixer host computer motor speed regulation and indicating device, it includes the host computer casing, establishes motor, the circuit board assembly of control motor in the host computer casing, establishes button assembly and the end cover subassembly in host computer casing upper end, is connected and is equipped with the LED circuit board of a plurality of LED lamps with circuit board assembly electricity, micro-gap switch and straight sliding rheostat are equipped with on the circuit board assembly, button on the button assembly starts micro-gap switch under lasting exogenic action, pulls out straight sliding rheostat, adjusts motor speed, and all luminous LED lamps on the LED circuit board simultaneously can be one by one after button assembly accuse light through the lamp shade printing opacity on the end cover subassembly come out, instruct motor speed's height, release external force, button self return closes micro-gap switch. The utility model discloses a circuit board and mechanical device combine together, for current chip control, motor speed easily adjusts, and it is simple to instruct, but reduction in production cost.

Description

Speed adjusting and indicating device for main engine of handheld mixer

Technical Field

The utility model belongs to a small household electrical appliances technical field relates to a handheld mixer host computer, concretely relates to handheld mixer host computer motor speed regulation and indicating device.

Background

The speed regulation and the instruction of the motor on the existing main machine of the handheld stirrer are mainly controlled by a chip, the circuit of the chip is complex, and the cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circuit board combines together, reduction in production cost's handheld mixer host computer motor speed regulation and indicating device to solve the weak point among the prior art.

The utility model adopts the technical proposal that: a speed regulation and indication device for a main motor of a handheld mixer comprises a main machine shell, a motor and a circuit board assembly for controlling the motor, a button assembly and an end cover assembly arranged at the upper end of the main machine shell, and an LED circuit board which is electrically connected with the circuit board assembly and is provided with a plurality of LED lamps, wherein a microswitch and a direct-sliding rheostat are arranged on the circuit board assembly, a button on the button assembly starts the microswitch under the action of continuous external force, pulls the direct-sliding rheostat to regulate the speed of the motor, and simultaneously all the luminous LED lamps on the LED circuit board can be transmitted out through a lampshade on the end cover assembly one by one after being controlled by the button assembly to indicate the speed of the motor, release the external force, automatically return the button and close the microswitch.

The button assembly comprises a button seat, a button, a support, a duplicate gear, an opaque gear strip upper sliding plate and a return spring, wherein the gear strip sliding plate is formed at the upper end of the button, a micro switch starting rod and a straight sliding type resistor clamping groove are formed at the lower end of the button, a sliding groove is formed at the upper end of the support, the return spring is arranged on the button, the duplicate gear is arranged at one end of the sliding groove of the support, the button is movably arranged on the button seat and the support, the support is connected with the button seat in an up-and-down buckling mode, the button gear strip sliding plate extending into the sliding groove of the support and the opaque gear strip upper sliding plate are respectively meshed with a small gear and a large gear of the duplicate gear, and the LED circuit board is arranged right below the opaque.

Further, the end cover subassembly includes side cover, middle lid and lamp shade, middle lid top takes shape there are a plurality of light trap, lamp shade surface takes shape there are a plurality of lugs, the lamp shade covers the internal surface buckle with the middle and is connected, and the lug stretches into the light trap, middle lid is established in the middle of the side cover, is connected with the side cover buckle, the suit that the connection can be dismantled to the side cover is in the upper end of button subassembly or pressing the subassembly button seat.

Furthermore, a stop block is arranged on the inner surface of the side cover and blocks one end of the upper sliding plate of the light-tight gear strip.

Furthermore, the sliding groove on the bracket is in an isosceles trapezoid shape, and the opening at one end provided with the duplicate gear is smaller than the opening at the other end.

Compared with the prior art, the utility model, following beneficial effect has:

1. the utility model discloses an adopt straight sliding rheostat to adjust motor speed under the drive of button, all luminous LED lamps on the LED circuit board simultaneously can be one by one through the lamp shade printing opacity on the end cover subassembly come out after button assembly accuse light, instruct motor speed's height, adopt circuit board and mechanical device to combine together, for current chip control, motor speed easily adjusts, instructs simply reduction in production cost.

2. The button assembly adopts the duplicate gear and the gear rack sliding plate which are meshed to control light of the luminous LED lamp, and the LED lamp light-emitting device is simple in structure, convenient to assemble and low in production cost.

3. The end cover assembly is formed by assembling the side cover, the middle cover and the lampshade which are connected through the buckles, the assembly is easy, and the motor speed indication is simple and understandable.

4. The inner surface of the upper cover is provided with a stop block, the stop block blocks one end of the light-tight gear strip upper sliding plate, the light-tight gear strip upper sliding plate can be prevented from being separated from the sliding groove when returning, and the structural design is stable and reliable.

5. The sliding groove on the bracket is isosceles trapezoid, the opening at one end of the bracket provided with the duplicate gear is smaller than the opening at the other end of the bracket, so that the gear strip sliding plate on the button and the light-tight gear strip upper sliding plate can be prevented from being separated from the sliding groove in the sliding process, and the sliding groove is tightly meshed with the duplicate gear to play a role in clamping.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of a hand-held blender main unit according to the present invention;

FIG. 2 is a schematic cross-sectional view of the main body of the hand-held mixer of the present invention;

FIG. 3 is a schematic view of the main frame of the hand mixer of the present invention;

fig. 4 is a partially enlarged view of fig. 3.

1. A main machine shell, 2 a motor, 3 a circuit board assembly, 4 a button component,

5. the LED circuit board comprises an end cover assembly, 6 an LED circuit board, 7 a microswitch and 8 a direct-sliding resistor;

41. the device comprises a button seat, 42 buttons, 43 brackets, 44 duplicate gears, 45 light-tight gear strip upper sliding plates and 46 return springs;

51. side cover, 52, middle cover, 53, lamp shade;

421. a gear rack sliding plate 422, a microswitch starting rod 423, a straight sliding type rheostat clamping groove,

431. a chute;

511. stop block 521, light hole 531, bump.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, 2, 3 and 4, the present invention relates to a speed adjusting and indicating device for a host motor of a handheld mixer, which comprises a host casing 1, a motor 2 arranged in the host casing, a circuit board assembly 3 for controlling the motor, a button assembly 4 and an end cover assembly 5 arranged at the upper end of the host casing, an LED circuit board 6 electrically connected with the circuit board assembly and provided with a plurality of LED lamps, a micro switch 7 and a straight slide rheostat 8 arranged on the circuit board assembly 3, the button assembly 4 comprising a button base 41, a button 42, a bracket 43, a dual gear 44, an opaque upper sliding plate 45 of the gear strip, a return spring 46, a sliding plate 421 of the gear strip formed at the upper end of the button 42, a micro switch actuating rod 422 and a straight slide type resistor clamping groove 423 formed at the lower end of the bracket 43, an isosceles trapezoid chute 431 formed at the upper end of the bracket 43, the return spring 46 arranged on the button 42, the dual gear 46 arranged, the button 42 is movably installed on the button seat 41 and the bracket 42, the bracket 43 is connected with the button seat 41 in an up-and-down buckling manner, the button gear strip sliding plate 421 extending into the bracket sliding groove 431 and the light-tight gear strip upper sliding plate 45 are respectively meshed with the pinion and the bull gear of the duplicate gear 44, the LED circuit board 6 is arranged right below the light-tight gear strip upper sliding plate 45, the end cover assembly 5 comprises a side cover 51, a middle cover 52 and a lampshade 53, a stop block 511 is formed on the inner surface of the side cover 51 and used for stopping one end of the light-tight gear strip upper sliding plate, a plurality of light transmission holes 521 are formed in the top of the middle cover 52, a plurality of protruding blocks 531 are formed on the surface of the lampshade 53, the lampshade 53 is connected with the inner surface of the middle cover 52 in a buckling manner, the protruding blocks 531 extend into the light transmission holes 521, the middle cover 52 is arranged in the middle of the side cover 51.

When a button on the hand-held mixer is pressed, a switch starting rod on the button presses down a pressure rod on a micro switch, the switch is connected with a power supply, a motor is started, meanwhile, a pulling rod clamped on a direct-sliding resistor in the button slides under the action of continuous external force of the button, and the speed of the motor is adjusted in the sliding process; meanwhile, in the pressing-in process, the gear strip on the button slides to push the pinion on the duplicate gear to rotate, the bull gear also rotates at the moment, and when the bull gear rotates, the gear strip on the light-tight gear strip upper sliding plate is driven to slide, so that the light-tight gear strip upper sliding plate slides in the sliding groove on the support, a plate of LED circuit board with LED lamps is arranged right below the light-tight gear strip upper sliding plate, when a power supply is switched on, the LED lamps are fully bright, but only one lamp can be seen from the lampshade to be bright because the light-tight gear strip upper sliding plate is made of non-transparent materials, when the light-tight gear strip upper sliding plate slides, the lamps can penetrate through the lampshade one by one, and the speed of the motor is higher; when the button is pressed to the bottom, the direct-sliding resistor is pressed to the bottom, the motor reaches the maximum speed, the lamp completely transmits light, and the whole process indicates the speed of the motor. And releasing the external force, automatically returning the button and turning off the microswitch.

The above embodiments are only specific examples of the present invention, and are not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the content of the claims should be included in the claims of the present invention.

Claims

1. A speed adjusting and indicating device for a main motor of a handheld mixer comprises a main machine shell, a motor, a circuit board assembly for controlling the motor, a button assembly and an end cover assembly, wherein the motor and the circuit board assembly are arranged in the main machine shell, the button assembly and the end cover assembly are arranged at the upper end of the main machine shell, and the speed adjusting and indicating device is characterized by further comprising an LED circuit board which is electrically connected with the circuit board assembly and is provided with a plurality of LED lamps, a microswitch and a direct-sliding rheostat are arranged on the circuit board assembly, a button on the button assembly starts the microswitch under the action of continuous external force, the direct-sliding rheostat is pulled to adjust the speed of the motor, meanwhile, all the luminous LED lamps on the LED circuit board can penetrate through a lampshade on the end cover assembly one by one after being controlled by the button assembly.

2. The motor speed adjustment and indication device for a handheld mixer main unit as claimed in claim 1, wherein said button assembly comprises a button seat, a button, a bracket, a duplicate gear, an opaque upper rack gear slide, and a return spring, said button has a rack gear slide formed at its upper end, a microswitch actuation lever and a straight slide resistor detent slot formed at its lower end, said bracket has a slide slot formed at its upper end, said return spring is mounted on the button, the duplicate gear is mounted at one end of the slide slot of the bracket, the button is movably mounted on the button seat and the bracket, the bracket is snap-fitted to the button seat, the button gear slide and the opaque upper rack gear slide extending into the slide slot of the bracket are respectively engaged with the pinion and the bull gear of the duplicate gear, and said LED circuit board is disposed directly under the opaque upper rack gear slide.

3. The motor speed adjustment and indicator apparatus as claimed in claim 1 or 2, wherein the end cap assembly comprises a side cap, a middle cap, and a lamp cover, the top of the middle cap is formed with a plurality of light holes, the surface of the lamp cover is formed with a plurality of protrusions, the lamp cover is snap-fitted to the inner surface of the middle cap, the protrusions extend into the light holes, the middle cap is disposed in the middle of the side cap and snap-fitted to the side cap, and the side cap is detachably fitted to the upper end of the button assembly or the button holder.

4. The apparatus as claimed in claim 3, wherein the inner surface of the side cover is formed with a stopper for stopping an end of the upper slide plate of the opaque gear rack.

5. The apparatus as claimed in claim 2, wherein the slot of the bracket is isosceles trapezoid, and the opening of the end of the bracket where the duplicate gear is mounted is smaller than the opening of the other end of the bracket.