CN110792894A - Rotary display screen assembly and kitchen appliance - Google Patents

Abstract

The invention discloses a rotary display screen assembly and a kitchen appliance, wherein the rotary display screen assembly is arranged on a main machine of the kitchen appliance and is used for rotatably displaying the running information of the main machine, and the rotary display screen assembly comprises: the cavity is arranged on the host; the fixed seat is arranged on the open surface of the cavity; the drive end of the gear box assembly is connected with the fixing seat, and the drive end of the gear box assembly generates displacement through rotation to enable the fixing seat to rotate away from or return to the open surface of the cavity. The invention has the beneficial effect of being suitable for people with different heights and the requirements when different angles are required to display angles.

Description

Rotary display screen assembly and kitchen appliance

Technical Field

The invention relates to an improvement of a display assembly on a kitchen appliance, in particular to a rotary display screen assembly and the kitchen appliance.

Background

Kitchen utensils in the existing market, especially agitated vessel, general display screen is all fixed, can only have an angle and height, can't adapt to the requirement when different high people and the different angle of needs show the angle, designs the kitchen utensils of a regulation display screen angle as required and is the problem that awaits the opportune moment and solve.

Disclosure of Invention

The invention aims to solve the problems and designs a rotary display screen assembly and a kitchen appliance.

The technical solution of the present invention is that a rotary display screen assembly, which is disposed on a main machine of a kitchen appliance, for rotatably displaying operation information of the main machine, the rotary display screen assembly includes:

the cavity is arranged on the host;

the fixed seat is arranged on the open surface of the cavity;

the drive end of the gear box assembly is connected with the fixing seat, and the drive end of the gear box assembly generates displacement through rotation to enable the fixing seat to rotate away from or return to the open surface of the cavity.

Preferably, the gear box assembly comprises a gear box shell, a motor, an arc rack and a main gear, wherein a driving end of the motor extends into the gear box shell, the main gear is sleeved on the driving end of the motor, the arc rack penetrates through two ends of the gear box shell, and the arc rack is meshed with the main gear.

Preferably, the first end of the arc rack penetrates through the gear box shell close to one side of the fixed seat; the second end of the arc rack penetrates through the gear box shell on one side far away from the fixed seat.

Preferably, the motor-driven gearbox further comprises a guide assembly, wherein the guide assembly comprises a guide arc-shaped groove and a guide block, the guide arc-shaped groove is formed in the side surface, away from the motor, of the arc-shaped rack, and the guide block extends outwards on the inner wall of the gearbox shell to form the guide block which is used for being assembled into the guide arc-shaped groove and moving relatively along the length direction of the guide arc-shaped groove.

Preferably, the gearbox further comprises a limiting component, the limiting component comprises a limiting slide rail and a limiting block, the inner wall of the gearbox shell at the same side as the guide block extends towards the direction far away from the motor to form the limiting slide rail, and the limiting block which is assembled in the limiting slide rail and reciprocates along the length direction of the limiting slide rail is formed on the side wall of the arc rack at the same side as the guide arc-shaped groove.

Preferably, an assembling portion for clamping the fixing seat is formed on the end face, close to the fixing seat, of the arc rack.

Preferably, the cavity is provided with a control unit for controlling the display assembly to rotate so as to open or close the open end face of the cavity.

Preferably, the control unit comprises a main control chip, a motor driving chip, a first limit switch and a second limit switch, wherein an input end of the main control chip is connected with output ends of the first limit switch and the second limit switch respectively, an output end of the main control chip is connected with an input end of the motor driving chip, and an output end of the motor driving chip is connected with a power supply end of the motor.

Preferably, the main control chip and the motor drive chip are arranged on the outer wall of the gearbox shell respectively, the first limit switch and the second limit switch are arranged on one side, close to the assembling portion of the first end of the arc rack, of the gearbox shell, and the second limit switch is arranged on one side, close to the limiting block of the arc rack, of the gearbox shell.

A kitchen appliance includes a container assembly mounted on a main unit, and a rotary display screen assembly mounted on the kitchen appliance.

The rotary display screen assembly and the kitchen appliance manufactured by the technical scheme of the invention have the following beneficial effects:

firstly, the problem that different people need different angles of the display screen can be solved through the rotatable display screen assembly, meanwhile, the storage space is reduced for convenient storage, the display screen assembly can automatically rotate to the set minimum position when the work is finished, the display screen assembly can be manually adjusted to the default highest position, the display screen assembly can be manually adjusted to the proper position, and the display screen assembly can be automatically started to the set position when the work is restarted next time, so that the intellectualization is realized;

secondly, the gear box assembly is pushed manually, and the angle of the display screen assembly is adjusted manually under the condition that a motor is not started;

thirdly, by utilizing the guide assembly, the arc rack slides stably along the limiting slide way, the rotating process of the rotating display screen is smooth, and the rotating angle is accurate;

fourthly, the limiting assembly is matched with the first limiting switch and the second limiting switch, and automatic stop after rotation is achieved.

Drawings

FIG. 1 is a schematic view of a rotary display screen assembly according to the present invention;

FIG. 2 is a cross-sectional view of the rotatable display screen assembly of the present invention at a maximum operating angle;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a cross-sectional view of the gear box assembly of the rotary display screen assembly of the present invention at its maximum operating angle.

FIG. 5 is a cross-sectional view of the rotating display screen assembly of the present invention at a minimum operating angle;

FIG. 6 is an enlarged partial view of FIG. 5;

FIG. 7 is a cross-sectional view of the gear box assembly of the rotary display screen assembly of the present invention at a minimum operating angle.

FIG. 8 is a schematic view of the gearbox assembly of the present invention;

FIG. 9 is a cross-sectional view of a face A-A of the gear box assembly of the present invention;

FIG. 10 is a first perspective view of the arcuate rack of the present invention;

FIG. 11 is a second perspective view of the arcuate rack of the present invention;

FIG. 12 is an electrical schematic diagram of the MCU master of the control assembly of the invention;

FIG. 13 is an electrical schematic of the AC to DC power supply of the motor of the present invention;

FIG. 14 is an electrical schematic of the control assembly controlling the motor drive of the invention;

FIG. 15 is a circuit diagram of the motor of the present invention being started and stopped by a limit switch;

FIG. 16 is a schematic view of the motor drive principle of the invention;

1. host 2, container assembly 3 and cavity

4. Rotary display screen assembly 401, fixing seat 402 and display screen rotating shaft

403. Gear box assembly 404, circuit board 5 and gear box left shell

6. Left shell 7 of gear box, motor 8 and arc rack

9. Main gear 10, stopper 11, spacing slide

12. Guide block 13, guide arc-shaped groove 14 and assembly part

15. First limit switch 16, second limit switch 17, main control chip

18. Motor driving chip

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The first embodiment is as follows:

the present invention is described in detail below with reference to the accompanying drawings, as shown in fig. 1 to 11, the kitchen appliance includes a main unit 1, a container assembly 2, a cavity 3, and a display screen assembly 4, wherein the container assembly 2 is disposed on the main unit 1, the container assembly 2 is mounted on a driving portion of the main unit 1, after the main unit is started, a stirring portion in the container assembly 2 is driven by the main unit 1 to rotate, so as to stir food materials in a container body of the container assembly 2, the cavity 3 is disposed on one side of the main unit 1, one surface of the cavity 3 is an open surface, the display screen assembly 4 is disposed on the open surface of the cavity 3, the display screen assembly 4 rotates along the open surface of the cavity 3, and an included angle between the display screen assembly 4 and the open surface of the cavity 3 is adjusted according to a height and a visual angle.

In this technical scheme, rotatory display screen subassembly includes fixing base 401, display screen pivot 402 and gear box subassembly 403, wherein, fixing base 401 realizes relative rotation through the open surface of display screen pivot 402 with cavity 3, it needs further to point out that, fixing base 401 is kept away from and is assembled the display screen on the inside first surface of cavity 3, the internally mounted of cavity 3 is used for driving fixing base 401 along the rotatory gear box subassembly 403 of display screen pivot 402, the contained angle scope between the open surface of fixing base 401 and cavity 3 in this scheme is 0-60.

In this technical scheme, further, the gear box subassembly 403 includes the gear box casing, motor 7, master gear 9, and mesh with master gear 9, an arc rack 8 for realizing carrying out reciprocating motion along the length direction of gear box casing, it needs to further point out that, the gear box casing includes gear box left shell 5 and gear box right side shell 6, gear box left shell 5 and gear box right side shell 6 are the components of a whole that can function independently before dispatching from the factory, with arc rack 8 assembly behind gear box left shell 5's surface, gear box left shell 5 and gear box right side shell 6 pass through screw or buckle assembly fixed, motor 7 passes through the screw installation on the lateral wall of gear box right side shell 6.

In this technical solution, the gear box further includes a limiting component, the limiting component is configured to limit the circular arc rack 8 to rotate along the radian of the circular arc rack 8 with the driving end of the motor 7 as an axis, so as to enable two ends of the circular arc rack 8 to approach or leave the gear box housing, where it needs to be further noted that a first end of the circular arc rack 8 forms an assembling portion 14, the assembling portion 14 is clamped on a second surface of the fixing base 401, and the second surface is opposite to the first surface.

In this technical scheme, furthermore, this spacing subassembly includes stopper 10, spacing slide 11, wherein, form stopper 10 along the second end of circular arc rack 8, form on the gear box left side shell 5 to keeping away from the protruding spacing slide 11 that forms of its lateral wall direction, stopper 10 assembles in spacing slide 11, in the motion process along circular arc rack 8, the restriction is followed the second end motion of circular arc rack 8 to the relative surface of gear box casing, this assembly part 14 is the boss of extending formation to its periphery along the first end of circular arc rack 8, this boss is in the opening part of butt joint in the gear box casing along circular arc rack 8 reverse motion in-process, restriction circular arc rack 8 continues to advance.

In this technical scheme, this spacing subassembly still includes guide block 12 and direction arc wall 13, and wherein, the homonymy surface arch of the spacing slide 11 of gear box left casing 5 forms guide block 12, and the side surface of arc rack 8 that is close to guide block 12 forms the direction arc wall 13 that is used for assembling guide block 12, guarantees arc rack 8 smooth movement.

In this embodiment, as shown in fig. 12 to 16, the control unit includes a main control chip 17, a motor driving chip 18, a first limit switch 15, and a second limit switch 16, wherein an input end of the main control chip 17 is connected to output ends of the first limit switch 15 and the second limit switch 16, an output end of the main control chip 17 is connected to an input end of the motor driving chip 18, and an output end of the motor driving chip 18 is connected to a power end of the motor 7, in this embodiment, the main control chip 17 is preferably a main control MCU, the motor driving chip 18 is preferably a chip with a model number of ULN2003A, the first limit switch 15 and the second limit switch 16 are preferably limit switches with a model number of 2P-XH5.54, and the motor is preferably a stepping motor

In this technical scheme, main control chip 17, motor drive chip 18, first limit switch 15, second limit switch 16 set up respectively on the outer wall of gearbox casing, and first limit switch 15 is installed in one side that the gearbox casing is close to assembly portion 14 of the first end of circular arc rack 8, and second limit switch 16 is installed in one side that the gearbox casing is close to stopper 10 of circular arc rack 8, and the theory of operation that utilizes this rotatory display screen subassembly of control unit control is: the kitchen appliance provided with the rotary display screen is turned on, the kitchen appliance is turned on at the moment, when the turning-on is completed, the main control chip 17 integrated on the circuit board 404 is used as a main control MCU to send a pulse signal to the motor driving chip 18, the motor driving chip 18 sends a pulse to the stepping motor, and the stepping motor rotates a stepping angle after receiving the pulse, wherein the stepping angle is 0.36 degrees/0.72 degrees, and each pulse motor 7 rotates 0.72 degrees; 500 pulses are required for one revolution, and the motor 4 rotates one revolution with the main gear 9. The main gear 9 rotates for a circle, the number of teeth of the main gear 9 correspondingly rotates on the arc rack 8, and the number of teeth of the arc rack 8 corresponds to the angle. The motor 4 drives the main gear 9 and the arc rack 8, the display screen installed on the fixed seat 401 automatically rotates to the original point position, when the original point is detected, the display screen is taken as the starting point and moves outwards again, and a pulse signal is sent until the display screen moves to the default parameters of the main control MCU of the kitchen appliance, for example, when the display screen moves within the set motion parameters, the display screen exceeds the maximum set angle (preferably, the maximum angle is 20 to 60 degrees from the vertical plane). The main control chip 17 detects that the movement is detected to the moment and stops immediately by touching the second limit switch 16 as a protection device, so as to prevent the rotary display component from being damaged. When the work is finished, the main control chip 17 drives the motor 7 through the motor driving chip 18, the motor 7 drives the main gear 9 and the arc rack 8 to retract inwards, and when the display screen installed on the fixing seat 401 moves to the original point, the motor 4 stops working and retracts to the original point by touching the first limit switch 15 as a protection device. Since the main control MCU as the main control chip 17 has a CPU that can store and record the personal setting position, when the personal position is set at the time of starting or shutting down, the main control MCU can move to the desired position by the stepping motor next time.

Example two:

manually turning on and off the display screen: the screen can be not opened when the host computer is started, and the setting is saved. The screen is not moved in the on-off process, and according to personal preferences, the display screen is manually opened and closed within the maximum and minimum angles, an angle within the range can be set randomly, and the screen can be pressed by hands until the screen is required to be positioned. The hand is released to stop, and the maximum and minimum positions are limited by the limiting assembly in the first embodiment.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims (10)

1. A rotary display screen assembly provided on a main body (1) of a kitchen appliance for rotatably displaying operation information of the main body (1), characterized in that the rotary display screen assembly (4) comprises:

a cavity (3) disposed on the host (1);

a fixed seat (401) arranged on the open surface of the cavity (3);

a gearbox assembly (403) disposed within the cavity, the gearbox assembly having a drive end coupled to the mounting base, the drive end of the gearbox assembly being displaced by rotation to cause the mounting base to rotate away from or back to the open surface of the cavity (3).

2. A rotary display screen assembly according to claim 1, wherein the gear box assembly (403) comprises a gear box housing, a motor (7), a circular arc rack (8) and a main gear (9), wherein the driving end of the motor (7) extends into the interior of the gear box housing, the main gear (9) is sleeved on the driving end of the motor (7), the circular arc rack (8) penetrates through two ends of the gear box housing, and the circular arc rack (8) is meshed with the main gear (9).

3. A rotary display screen assembly according to claim 2, wherein the first end of the circular arc rack (8) extends through the gearbox housing on the side adjacent the mounting (401); the second end of the arc rack (8) penetrates through the gearbox shell on one side far away from the fixed seat (401).

4. A rotary display screen assembly according to claim 3, further comprising a guide assembly, the guide assembly comprising a guide arc-shaped slot (13) and a guide block (12), wherein the guide arc-shaped slot (13) is formed on the side surface of the circular arc rack (8) far away from the motor, and the guide block (12) which is formed on the inner wall of the gear box shell and extends outwards is used for being assembled into the guide arc-shaped slot (13) and moves relatively along the length direction of the guide arc-shaped slot (13).

5. The rotary display screen assembly according to claim 4, further comprising a limiting assembly, wherein the limiting assembly comprises a limiting slide rail (11) and a limiting block (10), wherein the inner wall of the gearbox housing on the same side as the guide block (12) extends in the direction away from the motor to form the limiting slide rail (11), and the side wall of the arc rack (8) on the same side as the guide arc-shaped groove (13) is provided with the limiting block (10) which is assembled in the limiting slide rail (11) and reciprocates along the length direction of the limiting slide rail (11).

6. A rotary display screen assembly according to claim 5, wherein the end face of the circular arc rack (8) close to the fixing base is provided with a fitting part (14) for clamping the fixing base.

7. The rotary display screen assembly according to any one of claims 1 to 6, wherein the cavity (3) is provided with a control unit for controlling the display assembly to rotate so as to open or close the open end face of the cavity.

8. The rotary display screen assembly of claim 7, wherein the control unit comprises a main control chip (17), a motor driving chip (18), a first limit switch (15), and a second limit switch (16), wherein an input terminal of the main control chip is connected to output terminals of the first limit switch and the second limit switch, respectively, an output terminal of the main control chip is connected to an input terminal of the motor driving chip, and an output terminal of the motor driving chip is connected to a power supply terminal of the motor.

9. The rotary display screen assembly according to claim 8, wherein a circuit board (404) is arranged inside the cavity (3), a main control chip (17) and a motor driving chip (18) are integrated on the circuit board (404), the first limit switch (15) and the second limit switch (16) are respectively arranged on the outer wall of the gearbox housing, the first limit switch is installed on one side of the gearbox housing close to the assembling portion (14) of the first end of the circular arc rack (8), and the second limit switch is installed on one side of the gearbox housing close to the limit block (10) of the circular arc rack (8).

10. A kitchen appliance comprising a container assembly (2) for mounting on a main unit, wherein a display screen assembly as claimed in any one of claims 1 to 9 is mounted on the kitchen appliance.

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