CN108505290A - A kind of liquid detergent automatic release device - Google Patents

Abstract

The invention discloses an automatic laundry detergent dispensing device, which comprises a body, a groove is formed in the middle of the body, a guide rail is arranged on the inner wall of the groove, and a driving mechanism is arranged at the lower end of the groove. The driving mechanism includes a stepping motor; the upper end of the stepping motor is fixed with a hollow spiral folded rubber body, and the upper end of the spiral folded rubber body is provided with a feeding port and a discharge pipe for laundry liquid; the stepping motor The motor drives the spiral folding rubber body to move up and down through the guide rail; the side wall of the upper end of the fuselage is provided with a travel switch; it also includes a control board, the control board controls the connection with the stepping motor, and the travel switch is electrically connected to the control board . The invention can accurately and quantitatively inject laundry liquid and control the time for automatically injecting laundry liquid, and is convenient to use and has a high degree of intelligence.

Description

A laundry detergent automatic dispensing device

technical field

The invention relates to the technical field of washing machine accessories, in particular to an automatic washing liquid dispensing device.

Background technique

With the development and popularization of science and technology, today's washing machines have been fully automated and even intelligent. The smart washing machine will involve two problems about automatic injection of laundry detergent: the first is how to control the amount of laundry detergent during automatic injection, because laundry detergent is a viscous liquid and its fluidity is relatively poor; the second is if the switch is turned on Let the laundry liquid flow out automatically. Due to the poor fluidity of the laundry liquid, it takes more time for the laundry liquid to flow into the washing tub, which will lengthen the washing time and affect the laundry efficiency. Existing technical design is to adopt electromagnetic valve switch and flow sensor combination to control the amount of putting in laundry liquid, also has exactly to directly add detergent box at water inlet, and flows in the washing bucket by water inflow mixed laundry liquid. However, such a design cannot accurately and quantitatively inject laundry detergent and control the time for automatically injecting laundry detergent for thick laundry detergent, thereby reducing the efficiency of washing clothes, causing unclean laundry or waste of laundry detergent.

Contents of the invention

The technical problem to be solved by the present invention is to provide an automatic laundry detergent dispenser applied to a smart home washing machine, which can accurately and quantitatively dispense laundry detergent and control the time of automatic laundry detergent injection.

The solution of the present invention to solve the technical problem is: an automatic laundry liquid delivery device, including a fuselage, a groove is opened in the middle of the fuselage, a guide rail is provided on the inner wall of the groove, and a guide rail is arranged on the inner wall of the groove. The lower end is provided with a driving mechanism, and the driving mechanism includes a stepping motor; the upper end of the stepping motor is fixed with a hollow spirally folded rubber body, and the upper end of the spirally folded rubber body is provided with a feeding port and an outlet for laundry detergent. The material tube; the stepper motor drives the spiral folding rubber body to move up and down through the guide rail; the side wall of the upper end of the fuselage is provided with a travel switch; it also includes a control board, the control board is connected to the stepper motor, and the stroke The switch is electrically connected with the control board.

As a further improvement of the above technical solution, the groove is shaped as a circular sleeve, and the inner wall of the sleeve is provided with threads; the driving mechanism also includes a cylindrical rotating table, and the outer wall of the rotating table There are external threads matched with the threads provided on the inner wall of the sleeve; the stepper motor is located above the turntable, and the output shaft of the stepper motor is fixed in the middle of the turntable; the travel switch is matched with the turntable use.

As a further improvement of the above technical solution, the drive mechanism also includes a rising pallet, the upper end surface of the rising pallet is fixedly connected with the bottom of the spirally folded rubber body; the lower end surface of the rising pallet is connected with the bottom of the stepping motor Fixedly connected, the output shaft of the stepper motor faces downward.

As a further improvement of the above technical solution, it also includes a steering gear fixedly arranged on the upper end surface of the fuselage, the rotating steering wheel of the steering gear is fixedly connected with the discharge pipe; the side wall of the upper end of the fuselage is provided with a wedge-shaped slope , the discharge pipe is located on the wedge-shaped slope, the steering gear controls the movement state of the discharge pipe in the wedge-shaped slope, the discharge pipe is made of flexible pipe material; the control board controls the connection of the steering gear.

As a further improvement of the above technical solution, the wedge-shaped slope is located above the travel switch.

As a further improvement of the above technical solution, a liquid level observation port is also included, and the liquid level observation port is located above the travel switch.

As a further improvement of the above technical solution, a cover for covering the feeding port is installed on the feeding port, and the cover is detachably connected to the feeding port.

As a further improvement of the above technical solution, a speaker and a warning light are also included, and the control board controls and connects the speaker and the warning light.

As a further improvement of the above technical solution, a display panel is also included, and the display panel is electrically connected to the control board.

The beneficial effects of the present invention are: the present invention provides an automatic laundry detergent dispenser, which can accurately and quantitatively dispense laundry detergent and control the time of automatic laundry liquid injection, which is convenient to use and has a high degree of intelligence.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly describe the drawings that need to be used in the description of the embodiments. Apparently, the described drawings are only some embodiments of the present invention, not all embodiments, and those skilled in the art can obtain other designs and drawings based on these drawings without creative work.

Fig. 1 is a schematic cross-sectional view of the present invention when adding laundry detergent;

Fig. 2 is a schematic cross-sectional view of the present invention after the laundry liquid has been put in;

Fig. 3 is a circuit block diagram of the present invention.

Detailed ways

The idea, specific structure and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments and accompanying drawings, so as to fully understand the purpose, features and effects of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative efforts belong to The protection scope of the present invention. In addition, all the connection/connection relationships mentioned in this article do not refer to the direct connection of components, but mean that a better connection structure can be formed by adding or reducing connection accessories according to specific implementation conditions. The various technical features in the invention can be combined interactively on the premise of not conflicting with each other.

Referring to Figures 1 to 2, a device for automatically dispensing laundry detergent includes a body 1, a groove 2 is formed in the middle of the body 1, guide rails are provided on the inner wall of the groove 2, and the groove 2 The lower end of the drive mechanism 3 is provided with a drive mechanism 3, and the drive mechanism 3 includes a stepping motor 31; the upper end of the stepping motor 31 is fixed with a hollow spiral folding rubber body 4, and the upper end of the spiral folding rubber body 4 is provided with a washing machine. Liquid feeding port 41 and discharge pipe 42; the stepper motor 31 drives the spiral folding rubber body 4 to move up and down through the guide rail; the side wall of the upper end of the fuselage 1 is provided with a travel switch 5; it also includes a control board, The control board is connected to the stepper motor 31, and the travel switch 5 is electrically connected to the control board. After the washing machine starts the washing function, the signal is fed back to the control board, and the control board controls the rotation of the stepping motor 31 according to the water quantity detected by the liquid level sensor of the washing machine. The stepping motor 31 drives the spiral folding rubber body 4 to move up and down through the guide rail, and the stepping motor 31 lift the spirally folded rubber body 4 to rise to form extrusion, and the viscous laundry liquid in the spirally folded rubber body 4 is quickly squeezed out a quantitative amount of laundry liquid under the action of pressure. The control board controls the stepper motor 31 to accurately squeeze out a quantitative amount of laundry detergent. When the driving mechanism 3 climbs up to the limit switch 5, it will trigger a reset, and the control board controls the stepper motor 31 to reverse, and the spirally folded rubber body 4 will also drop to the original position thereupon.

Further as a preferred embodiment, the groove 2 is shaped as a circular sleeve 21, and the inner wall of the sleeve 21 is provided with threads; the driving mechanism 3 also includes a cylindrical rotating table 32, the rotating The outer side wall of table 32 has the external screw thread that matches with the screw thread that the inner wall of sleeve 21 is provided with; In the middle: the travel switch 5 is used in conjunction with the rotary table 32 . The output shaft of the stepper motor 31 drives the rotary table 32 to rotate, and the external thread of the rotary table 32 coincides with the thread on the inner wall of the sleeve 21 to rotate and climb, and the rotary table 32 that rotates and climbs lifts the spirally folded rubber body 4 to climb upwards. The preferred screw drive in this embodiment ensures that the amount of laundry detergent depends on the number of turns of the output shaft of the stepper motor 31, and the control board controls the number of turns of the output shaft of the stepper motor 31 to accurately squeeze out a quantitative amount of laundry detergent. The turntable 32 climbs up to trigger the travel switch 5, the control board controls the stepping motor 31 to reverse, the turntable 32 drops to the original position, and the spirally folded rubber body 4 also drops to the original position.

Further as a preferred embodiment, the drive mechanism 3 also includes a rising pallet 33, the upper end surface of the rising pallet 33 is fixedly connected to the bottom of the spirally folded rubber body 4; the lower end surface of the rising pallet 33 is connected to the step The bottom of the stepper motor 31 is fixedly connected, and the output shaft of the stepper motor 31 faces downward. The rising pallet 33 is set to facilitate the fixing of the spirally folded rubber body 4 and the stepper motor 31.

Further as a preferred embodiment, it also includes a steering gear 6 fixedly arranged on the upper end surface of the fuselage 1, the rotating steering wheel of the steering gear 6 is fixedly connected with the discharge pipe 42; the side wall of the upper end of the fuselage 1 A wedge-shaped slope is provided, the discharge pipe 42 is located on the wedge-shaped slope, the steering gear 6 controls the movement state of the discharge pipe 42 in the wedge-shaped slope, and the discharge pipe 42 adopts a flexible pipe; the control board controls Connect the servo 6. After the washing machine starts the washing function, the signal is fed back to the control board, and the control board controls the direction of the steering gear 6. The rotating steering wheel of the steering gear 6 drives the discharge pipe 42, and aligns the discharge pipe 42 in the washing bucket. At this time, the discharge pipe 42 is placed flat on the plane of the wedge-shaped slope; after the laundry liquid is automatically put in, the control board controls the steering gear 6 to reset, and the discharge pipe 42 is stored in the washing machine, so that it will not prevent the clothes from being put into the washing bucket. The feed pipe 42 is placed flat on the slope of the wedge-shaped slope. Since the discharge pipe 42 adopts a flexible pipe, the wedge-shaped slope forms a squeeze on the discharge pipe 42, so the laundry liquid remaining in the discharge pipe 42 will not drip on the Therefore, the washing liquid will not only not drip onto the clean clothes after washing, but also avoid the waste of washing liquid. This embodiment omits the use of complex electromagnetic valve switches to control the delivery of laundry detergent, and its structure is simple.

Further as a preferred embodiment, the wedge-shaped slope is located above the travel switch 5 . The wedge-shaped slope is located above the travel switch 5, preventing the turntable 32 from climbing beyond the wedge-shaped slope and not triggering the travel switch 5 yet.

As a further preferred embodiment, a liquid level observation port 7 is also included, and the liquid level observation port 7 is located above the travel switch 5 . When the laundry liquid needs to be supplemented, the laundry liquid can be replenished from the feeding port 41 , and the replenishment amount of the laundry liquid can be observed through the liquid level observation port 7 . The liquid level observation port 7 is located above the travel switch 5, which ensures that the amount of supplemented laundry detergent is sufficient.

As a further preferred embodiment, a cover for covering the feeding port 41 is installed on the feeding port 41 , and the cover is detachably connected to the feeding port 41 . When the laundry liquid needs to be replenished, the cover is opened, and the laundry liquid can be replenished through the feeding port 41 . Moreover, when the spirally folded rubber body 4 is pressed upwards by force, the cover covers the feeding port 41 to ensure that the laundry liquid will not leak from the feeding port 41 .

Referring to FIG. 3 , an automatic laundry liquid dispensing device further includes a speaker and a warning light, and the control board controls and connects the speaker and the warning light. When the turntable 32 climbs up to the travel switch 5, it will be triggered to reset, and when the switch is triggered, a prompt sound and a prompt light will be issued to remind the user to add laundry detergent.

As a further preferred embodiment, a display panel is further included, and the display panel is electrically connected to the control board. The display panel displays the working status of the laundry liquid automatic dispensing device, and at the same time, the control main board can also be controlled through the key operations on the display panel.

When the washing machine is started, the signal is fed back to the control board, and the control board sends a signal to the drive module, and the drive module sends a pulse width modulation signal (PWM signal) to make the steering gear 6 turn, and align the discharge pipe 42 of the laundry liquid into the washing bucket . Then, the control board sends a signal to the drive module according to the amount of water detected by the liquid level sensor, and the drive module sends a pulse signal to make the stepping motor 31 work. The output shaft of the stepping motor 31 drives the rotary table 32 to rotate, and the external thread of the rotary table 32 coincides with the thread on the inner wall of the sleeve 21 to rotate and climb. The rotating table 32 lifts the spirally folded rubber body 4 through the rising bracket 33 Extrusion is formed upwards, and the viscous laundry liquid in the helically folded rubber body 4 is quickly squeezed out a quantitative amount of laundry liquid under the action of pressure. After the discharge pipe 42 of the laundry detergent is put into the laundry liquid, the control board sends a signal to the drive module to control the steering gear 6 to turn and reset, and the discharge pipe 42 is stored in the washing machine. At this time, the wedge-shaped slope forms a squeeze on the discharge pipe 42, Prevent the residual laundry liquid in the discharge pipe 42 from dripping onto the cleaned clothes. Then the washing function starts. When the turntable 32 climbs to the travel switch 5, it will trigger reset, the control board controls the stepping motor 31 to reverse, the turntable 32 will drop to the original position, and the spiral folding rubber body 4 will also drop to the original position at the same time, triggering the switch. At the same time, a prompt sound and a prompt light are also issued to remind the user to add laundry detergent.

The preferred embodiments of the present invention have been described in detail above, but the invention is not limited to the described embodiments, and those skilled in the art can also make various equivalent modifications or replacements without violating the spirit of the present invention. These equivalent modifications or replacements are all within the scope defined by the claims of the present application.

Claims (9)

1. a kind of liquid detergent automatic release device, it is characterised in that：Including fuselage (1), the centre of the fuselage (1) is provided with groove (2), the inner wall of the groove (2) is equipped with guide rail, and the lower end of the groove (2) is equipped with driving mechanism (3), the driving mechanism (3) include stepper motor (31)；The upper end of the stepper motor (31) is fixed with hollow helical fold rubber bodies (4), institute The upper end for stating helical fold rubber bodies (4) is equipped with the material-feeding port (41) and discharge nozzle (42) of liquid detergent；The stepper motor (31) Helical fold rubber bodies (4) are driven to move up and down by guide rail；The side wall of the upper end of the fuselage (1) is equipped with travel switch (5)； Further include control mainboard, the control mainboard control connection stepper motor (31), the travel switch (5) and control mainboard are electrical Connection.

2. a kind of liquid detergent automatic release device according to claim 1, it is characterised in that：The groove (2) is by shape The inner wall of circular sleeve (21), the sleeve (21) is equipped with screw thread；The driving mechanism (3) further includes the turntable of cylinder (32), the lateral wall shape of the turntable (32) has the matched external screw thread of screw thread being equipped with the inner wall of sleeve (21)；It is described Stepper motor (31) is located above turntable (32), and the output shaft of the stepper motor (31) is fixed in turntable (32) Between；The travel switch (5) is used cooperatively with turntable (32).

3. a kind of liquid detergent automatic release device according to claim 2, it is characterised in that：The driving mechanism (3) is also Including rising saddle (33), the upper surface for rising saddle (33) is fixedly connected with the bottom of helical fold rubber bodies (4)；Institute The lower face for stating rising saddle (33) is fixedly connected with the bottom of stepper motor (31), the output shaft court of the stepper motor (31) Under.

4. a kind of liquid detergent automatic release device according to claim 1, it is characterised in that：Further include being fixed at machine The rotation steering wheel of the steering engine (6) of the upper surface of body (1), the steering engine (6) is fixedly connected with discharge nozzle (42)；The fuselage (1) The side wall of upper end be equipped with wedge slope, the discharge nozzle (42) is located in wedge slope, steering engine (6) the control discharge nozzle (42) in the motion state in wedge slope, the discharge nozzle (42) uses soft tubing；The control mainboard control connection rudder Machine (6).

5. a kind of liquid detergent automatic release device according to claim 4, it is characterised in that：The wedge slope is located at row The top of Cheng Kaiguan (5).

6. a kind of liquid detergent automatic release device according to claim 1, it is characterised in that：It further include liquid level observation panel (7), the liquid level observation panel (7) is located at the top of travel switch (5).

7. a kind of liquid detergent automatic release device according to claim 1, it is characterised in that：Pacify on the material-feeding port (41) Equipped with the lid for covering material-feeding port (41), the lid and material-feeding port (41) are detachably connectable.

8. a kind of liquid detergent automatic release device according to claim 1, it is characterised in that：Further include loud speaker and prompt Lamp, the control mainboard control connection loud speaker and warning light.

9. a kind of liquid detergent automatic release device according to claim 1, it is characterised in that：Further include display panel, institute Display panel is stated to be electrically connected with control mainboard.