CN211380973U

CN211380973U - Locking device and kitchen appliance

Info

Publication number: CN211380973U
Application number: CN201921155251.1U
Authority: CN
Inventors: 王雷; 白光照; 李基茂
Original assignee: Shenzhen Chuyi Technology Co ltd
Current assignee: Shenzhen Chuyi Technology Co ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-09-01
Anticipated expiration: 2029-07-22

Abstract

The utility model relates to a locking device and kitchen appliance, it is including casing, briquetting, pull rod, motor, position switch, current detection module and control panel, the briquetting rotates with the casing to be connected, the one end of pull rod with the briquetting is direct or indirect to be rotated and is connected, the motor can drive reciprocating motion is made to the pull rod, current detection module and position switch all with the control panel electricity is connected, the pull rod can trigger position switch, current detection module can detect the load change of motor, the control panel can be based on current detection module and position switch's signal control the operating condition of motor. The utility model discloses improved kitchen appliance's bowl cover and detected the structure, improved kitchen appliance's life, improved consumer's use and experienced.

Description

Locking device and kitchen appliance

Technical Field

The utility model relates to a kitchen utensil field especially relates to a locking device and kitchen appliance.

Background

Cooking machine, fruit juice mixer, soybean milk machine, mixer and broken wall machine etc. have stirring function's kitchen appliance, mainly including the cup, the bowl cover, locking device and detection switch, wherein, detection switch is used for detecting whether the bowl cover closes, and detection switch detects the bowl cover and closes the back well, and locking device locks the bowl cover, and kitchen appliance normally works, if detection switch does not detect the bowl cover and closes, then kitchen appliance is out of work to prevent that kitchen appliance from causing the injury to the consumer.

At present, a detection switch is installed at the opening of the cup body for part of kitchen appliances, and the detection of the cup cover is realized by pressing the detection switch through the cup cover, however, the detection switch is prominently arranged at the opening of the cup body, and is easily damaged by people or accidentally, or is damaged by collision when the kitchen appliances fall down, so that the maintenance is more, the service life is short, the use experience of consumers is poor, and therefore the prior art is to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in how to improve kitchen appliance's bowl cover and detects the structure to improve kitchen appliance's life, improve consumer's use and experience.

The utility model provides a technical scheme that above-mentioned technical problem adopted is:

the utility model provides a locking device, includes casing, briquetting, pull rod, motor, position switch, current detection module and control panel, the briquetting rotates with the casing to be connected, the one end of pull rod with the briquetting directly or indirectly rotates to be connected, the motor can drive reciprocating motion is made to the pull rod, current detection module and position switch all with the control panel electricity is connected, the pull rod can trigger position switch, current detection module can detect the load change of motor, the control panel can be based on current detection module and position switch's signal control the operating condition of motor.

In a preferred embodiment, the device further comprises a screw rod, the screw rod is in threaded connection with the pull rod, and the motor can drive the screw rod to rotate.

In a preferred embodiment, the fixed end of the motor is rotatably connected to the housing, and the pull rod is directly rotatably connected to the press block.

In a preferred embodiment, the position switch is a travel switch or a proximity switch.

In a preferred embodiment, the control board includes a control chip and a driving circuit for driving the motor, the control chip is electrically connected to the driving circuit, the input end of the current detection module is electrically connected to the driving circuit, and the output end of the current detection module is electrically connected to the control chip.

The utility model provides a kitchen appliance, is including foretell locking device, still including cup and bowl cover, bowl cover and cup rotate to be connected, the casing is relative the cup is fixed, the briquetting can with bowl cover or cup support and hold.

The utility model has the advantages that:

the utility model discloses a detection of bowl cover is realized jointly to current detection module and position switch that triggers through the pull rod, and current detection module can detect current's size, because the stifled commentaries on classics electric current of motor is greater than the normal operating current of motor, simultaneously, though when the briquetting compressed tightly the bowl cover and when compressing tightly the cup, the motor all was in the stifled commentaries on classics state, but the position that the pull rod was located this moment is different, therefore accessible pull rod trigger position switch and pull rod do not trigger position switch and distinguish, the utility model discloses a during the cup can be placed in completely to locking device, can prevent outside accident from damaging to improve life, improve and use experience.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is an isometric view of a locking device according to an embodiment of the present invention;

fig. 2 is an exploded view of a locking device according to an embodiment of the present invention;

fig. 3 is an isometric view of a kitchen appliance in accordance with an embodiment of the present invention;

fig. 4 is a schematic diagram of a kitchen appliance according to an embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which function is to supplement the description of the text part of the specification with figures, so that each technical feature and the whole technical solution of the present invention can be understood visually and vividly, but it cannot be understood as a limitation to the scope of the present invention.

In the description of the present invention, if an orientation description is referred to, for example, the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, only for convenience of description and simplification of description, and it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. When a feature is referred to as being "disposed," "secured," or "connected" to another feature, it can be directly disposed, secured, or connected to the other feature or be indirectly disposed, secured, or connected to the other feature.

In the description of the present invention, if "a plurality" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "more than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "more than", "less than" or "within" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.

In addition, unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 and 2, fig. 1 is an isometric view of a locking device 3 according to an embodiment of the present invention, fig. 2 is an exploded view of the locking device 3 according to an embodiment of the present invention, the locking device 3 according to this embodiment includes a housing 31, a motor 32, a first gear 33, a pull rod 34, a screw 35, a position switch 36, a press block 37, a packaging housing 38, a current detection module (not shown) and a control board (not shown), the first gear 33 is fixed on an output shaft of the motor 32, the first gear 33 is engaged with a second gear 351 disposed at a lower end of the screw 35, wherein a pitch circle diameter of the first gear 33 is smaller than a pitch circle diameter of the second gear 351, so as to reduce a rotational motion of the motor 32 and transmit the reduced rotational motion to the screw 35, and in this embodiment, the second gear 351 is a part of the screw 35.

The outer surface of the middle upper part of the screw 35 is provided with threads (not shown), and the upper part of the screw 35 is inserted into the pull rod 34 and is in threaded fit with the pull rod 34. The packing housing 38 includes a left housing (not shown) and a right housing (not shown), the left housing and the right housing of the packing housing 38 are spliced and fixed to form a guide groove 382, the pull rod 34 is disposed in the guide groove 382, and the pull rod 34 can slide in the guide groove 382. The outer side surface of the pull rod 34 is provided with a limit block 341, the limit block 341 is matched with a limit groove (not labeled) arranged on the side wall of the guide groove 382, the limit groove is arranged along the axial direction of the guide groove 382, and the limit block 341 is matched with the limit groove to prevent the pull rod 34 from rotating in the guide groove 382.

In summary, the pull rod 34 can reciprocate linearly along the guide groove 382 under the driving of the motor 32.

The upper end of the pull rod 34 is directly connected with the press block 37 in a rotating manner, the press block 37 is also connected with the shell 31 in a rotating manner, the shell 31 is provided with an accommodating cavity 311, the packaging shell 38 is arranged in the accommodating cavity 311, the lower end of the packaging shell 38 is provided with a rotating shaft 381, and the rotating shaft 381 is clamped in a clamping groove 312 in the accommodating cavity 311 and can rotate relative to the shell 31, so that when the pull rod 34 makes linear reciprocating motion in the guide groove 382, the press block 37 can rotate relative to the shell 31 under the driving of the pull rod 34.

A position switch 36 is further disposed on one side of the limiting groove, in this embodiment, the position switch 36 is a travel switch, and the position switch 36 can be triggered by the limiting block 341 during the linear reciprocating motion of the pull rod 34 along the guide groove 382, so that the rotation angle of the pressing block 37 relative to the housing 31 can be detected by detecting the position of the pull rod 34.

The current detection module can detect the electric current of motor, and current detection module and position switch 36 all are connected with the control panel electricity, and wherein, the control panel is including control chip and driving motor 32's drive circuit, and current detection module's input is connected with the drive circuit electricity, and current detection module's output is connected with control chip electricity, and control chip controls motor 32 corotation, reversal or stall according to current detection module's signal and position switch 36's switching.

In another embodiment, the packaging housing 38 may be fixed directly relative to the housing 31, and the upper end of the pull rod 34 may be pivotally connected to one end of a link, the other end of which is pivotally connected to the mass 37, whereby the mass 37 may also be driven to rotate relative to the housing 31.

In other embodiments, the motor 32 may also reciprocate the pull rod 34 via a gear and rack arrangement.

Referring to fig. 2 and 3, fig. 3 is an axonometric view of a kitchen appliance according to an embodiment of the present invention, the kitchen appliance of this embodiment includes a base 1, a container 2 and a locking device 3, the locking device 3 is fixed on the base 1, the container 2 is detachably fixed on the base 1, the base 1 includes a cup cover 21 and a cup 22, the cup cover 21 and the cup 22 are rotatably connected, and the cup cover 21 is locked by the locking device 3.

Specifically, the kitchen electrical appliance can be an electrical appliance with a stirring function, such as a food processor, a fruit juice extractor, a soybean milk maker, a stirrer, a wall breaking machine and the like.

Referring to fig. 4, fig. 4 is a schematic diagram of a kitchen appliance according to an embodiment of the present invention, and a using method of the kitchen appliance is as follows:

s10, starting the motor 32, and driving the pull rod 34 to move from the initial position point by the motor 32;

s20, before the pull rod 34 moves to the first position point, the current detection module detects the normal operating current of the motor 32, and the position switch 36 is in the first state;

s30, the pull rod 34 moves to a first position point, at the moment, the position switch 36 is in a second state, the press block 37 abuts against the cup cover 21, the current detection module detects the locked-rotor current of the motor 32, the control panel controls the motor 32 to stop rotating, and the pull rod 34 stops moving; or, the press block 37 does not abut against the cup cover 21, the current detection module detects the normal working current of the motor 32, and the motor 32 continues to drive the pull rod 34 to move;

s40, when the pull rod 34 continues to move to the second position point, the position switch 36 is in the first state, the press block 37 abuts against the cup body 22, the current detection module detects the locked-rotor current of the motor, at the moment, the control panel controls the motor to rotate reversely, and the motor 32 drives the pull rod 34 to return to the initial position point.

The first position point of the pull rod 34 is the position of the pull rod 34 when the pressing block 37 presses the cup cover 21, namely the cup cover 21 is normally closed; the second position point of the pull rod 34 is the position of the pull rod 34 when the pressing block 37 presses the cup body 22, namely the cup cover 21 is not closed.

The first state of the position switch 36 is a triggered state and the second state is an untriggered state, or the first state of the position switch 36 is an untriggered state and the second state is a triggered state, and in the present embodiment, the setting of the position switch 36 belongs to the latter state.

While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the embodiments, and those skilled in the art can make various equivalent modifications and substitutions without departing from the spirit of the present invention. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

Claims

1. The utility model provides a locking device, its characterized in that, including casing, briquetting, pull rod, motor, position switch, current detection module and control panel, the briquetting rotates with the casing to be connected, the one end of pull rod with the briquetting directly or indirectly rotates to be connected, the motor can drive reciprocating motion is made to the pull rod, current detection module and position switch all with the control panel electricity is connected, the pull rod can trigger position switch, current detection module can detect the load change of motor, the control panel can be according to current detection module and position switch's signal control the operating condition of motor.

2. The locking device of claim 1, further comprising a threaded rod, wherein the threaded rod is in threaded connection with the pull rod, and the motor can drive the threaded rod to rotate.

3. The locking device of claim 2, wherein the fixed end of the motor is rotatably coupled to the housing, and the pull rod is directly rotatably coupled to the pressure block.

4. Locking device according to claim 1, characterized in that the position switch is a travel switch or a proximity switch.

5. The locking device according to claim 1, wherein the control board comprises a control chip and a driving circuit for driving the motor, the control chip is electrically connected to the driving circuit, the input terminal of the current detection module is electrically connected to the driving circuit, and the output terminal of the current detection module is electrically connected to the control chip.

6. A kitchen appliance, characterized by comprising the locking device of any one of claims 1 to 5, and further comprising a cup body and a cup cover, wherein the cup cover and the cup body are rotatably connected, the shell is fixed relative to the cup body, and the pressing block can be abutted against the cup cover or the cup body.