WO2017143533A1 - 一种手持式搅拌机及其开关装置 - Google Patents

一种手持式搅拌机及其开关装置 Download PDF

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Publication number
WO2017143533A1
WO2017143533A1 PCT/CN2016/074436 CN2016074436W WO2017143533A1 WO 2017143533 A1 WO2017143533 A1 WO 2017143533A1 CN 2016074436 W CN2016074436 W CN 2016074436W WO 2017143533 A1 WO2017143533 A1 WO 2017143533A1
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WO
WIPO (PCT)
Prior art keywords
wall
button
switch
hole
circuit board
Prior art date
Application number
PCT/CN2016/074436
Other languages
English (en)
French (fr)
Inventor
邢皓宇
Original Assignee
邢皓宇
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 邢皓宇 filed Critical 邢皓宇
Priority to PCT/CN2016/074436 priority Critical patent/WO2017143533A1/zh
Publication of WO2017143533A1 publication Critical patent/WO2017143533A1/zh

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
    • A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
    • A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
    • A47J43/07—Parts or details, e.g. mixing tools, whipping tools
    • A47J43/08—Driving mechanisms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys

Definitions

  • the present invention relates to the field of blenders, and more particularly to a hand blender and its switch device.
  • the food blender includes a stirring knife set for stirring and pulverizing food, a driving device for driving the stirring blade set, and a power device for supplying power; the power device and the driving device are electrically connected such that the driving device Drive the mixing knife set.
  • the driving motor and the stirring knife set are connected and connected in the driving device, and the stirring knife group is driven to rotate by the rotation of the driving motor, so that the stirring knife group achieves the purpose of stirring and pulverizing the food.
  • the existing drive motors are directly mounted and fixed inside the housing of the food mixer, and are fixed by the structure inside the housing.
  • the power device comprises a circuit board electrically connected to the driving motor, the circuit board is connected with a plug through a wire, and the plug can be electrically connected to the external power supply for the driving motor.
  • a switch is arranged on the circuit board for controlling whether the drive motor is working.
  • the power device further includes a button matched with the switch, the button and the switch cooperate with each other, and are fixed by the housing of the food mixer to control the switch. And the housing is provided with a switch hole for placing a button.
  • the button In the production and assembly process, the button needs to be inserted into the switch hole provided on the housing, and then the switch and the button are matched with each other. However, in the actual assembly process, after the button is inserted into the switch hole of the housing, the switch and the button are not easily realized. In the process of the installation and cooperation, both the housing and the button need to be simultaneously performed with the switch. Coordination requires more time. In addition, even if the cooperation is completed, the two housings need to be fixed and fixed. In this process, the switch and the button that are completed can not be touched, or the switch and the button need to be positioned to further increase the assembly time. And difficulty. Therefore, speeding up assembly is an urgent problem to be solved.
  • the technical problem to be solved by the present invention is to provide a hand-held agitator and a switch device thereof for quickly assembling a button and a switch.
  • a hand blender comprising a stirring blade set, a housing, and a driving device mounted in the housing, the driving device being drivingly coupled to the stirring blade set for driving the stirring blade
  • the hand-held agitator further includes a switch and a switch device for controlling the switch, the switch is disposed on a circuit board, the circuit board is electrically connected to the driving device; and the switch device includes a fixed device a button frame on the circuit board and a movable button connected to the button frame, and the switch is located in the button frame, and the button is movable on the button frame to control the switch.
  • the button holder includes a bottom end fixedly connected to the circuit board and a top end opposite to the bottom end, the top end is provided with a first through hole and a second through hole, and the button comprises a button cap, a touch rod and a limit rod, the touch rod and the limit rod are located on the same side of the button cap, the contact rod is for inserting into the first through hole, and is used for controlling the switch;
  • the limiting rod is inserted into the second through hole, and the limiting rod top is provided with a limiting block for limiting the limiting rod to the second through hole.
  • buttons and the button frame cooperate with each other, and the limiting rod and the contact rod are respectively inserted into the second through hole and the first through hole, so that the limiting rod and the contact rod are respectively in the second through hole and the first
  • the movement is carried out in the through hole, so that the active connection between the button and the button holder is stabilized, so that the control lever is more stably controlled during the control of the button.
  • the top of the limiting rod is provided with an opening to form two portions of the top of the limiting rod; the top two portions of the limiting rod are compressed toward the opening, and the size of the two portions is less than Or equal to the size of the second through hole.
  • the top of the limiting rod is provided with an opening so that the two portions of the top of the limiting rod separated by the opening are elastic with each other, so that the insertion of the limiting rod into the second through hole can be limited by the pressing of the top of the limiting rod The top of the rod is deformed so that the limit rod is smoothly inserted into the second through hole.
  • the inner surface of the top of the button frame is provided with a limiting plate for limiting the contact bar,
  • a limiting plate for limiting the contact bar
  • the limit plate acts as a limit on the contact bar, so that the two sides of the touch bar are limited by the limit plate, and the other sides of the touch bar are limited by the side walls of the button frame, so that the four sides of the touch bar are simultaneously limited, so that The lever is more stable during the movement and is not easy to tilt, which in turn makes the lever more stable to trigger the switch.
  • the button holder further includes a first wall, a second wall, a third wall and a fourth wall between the top end and the bottom end; the first wall and the second wall are oppositely disposed, the first The third wall and the fourth wall are oppositely disposed, and the third wall and the fourth wall are respectively provided with buckles.
  • the circuit board is provided with two card holes for placing the buckle, the card a buckle is located at a bottom end of the button frame and protrudes from the first wall and the second wall, when the buckle is inserted into the card hole while being fastened to the circuit board The wall and the second wall are pressed against the circuit board.
  • the third wall is spaced apart from the first wall and the second wall
  • the fourth wall is spaced apart from the first wall and the second wall, between the two of the card holes a minimum distance is less than a distance between the third wall and the fourth wall; a maximum distance between the two of the card holes is less than a maximum distance between the two of the buckles, and is greater than the third wall and the The distance between the four walls.
  • the third wall and the fourth wall are respectively spaced apart from the first wall and the second wall, so that the third wall and the fourth wall have elasticity, and the buckle is adjusted by elastic deformation of the third wall and the fourth wall. In order to insert the buckle into the corresponding card hole; and during the process of removing the buckle, the buckle can be squeezed, and the elastic deformation of the third wall and the fourth wall can also be made to disengage the buckle from the hole.
  • the roots of the third wall and the fourth wall are respectively provided with reinforcing ribs.
  • the strength of the third wall and the fourth wall is increased to prevent the third wall and the fourth wall from being broken when deformation occurs.
  • the top of the button frame is provided with a limiting ring for limiting the button cap, and the height of the limiting ring is equal to the distance that the lever triggers the switch. Set the limit ring to prevent the pressing force from being too strong and damage the switch.
  • Another aspect of the present invention is a switch device for mounting on a circuit board and mating with a switch fixed to the circuit board, the switch device including a key frame fixed to the circuit board And an active button connected to the button holder, and the switch is located in the button holder, and the button is movable on the button holder to control the switch.
  • the button holder includes a bottom end fixedly connected to the circuit board and a top end opposite to the bottom end, the top end is provided with a first through hole and a second through hole, and the button comprises a button cap, a touch rod and a limit rod, the touch rod and the limit rod are located on the same side of the button cap, the contact rod is for inserting into the first through hole, and is used for controlling the switch;
  • the limiting rod is inserted into the second through hole, and the limiting rod top is provided with a limiting block for limiting the limiting rod to the second through hole.
  • the technical effect of the invention is that the button frame of the invention is fixedly connected to the circuit board, the button is movably connected to the button frame, and the switch on the circuit board is controlled by the activity of the button on the button frame.
  • the present invention directly mounts the button on the circuit board through the button frame, and directly matches the button and the switch, thereby facilitating production and assembly, and directly connecting the circuit board and the shell after the connection is completed. It can be assembled, and the production and assembly process can be accelerated without additional cooperation compared with the prior art.
  • Figure 1 is a cross-sectional view of a hand blender according to a second embodiment of the present invention.
  • FIG. 2 is a schematic diagram of a switch device and a circuit board according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of a switch disposed on a circuit board according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural view of a switch device according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural view of a key frame according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a button according to an embodiment of the present invention.
  • Figure 7 is a schematic structural view of another key frame of the present invention.
  • Figure 8 is a schematic view showing the structure of another button of the present invention.
  • 100 hand-held mixer; 110, driving device; 120, housing; 130, mixing knife set; 140; circuit board; 141, card hole; 150; switch; 200, switch device; 210, button; 211, touch rod; 212, limit rod; 213, button cap; 214, limit block; 215, opening; , button frame; 221, first wall; 222, second wall; 223, third wall; 224, fourth wall; 225, first through hole; 226, second through hole; 227, buckle; a limit ring; 229, a second limit ring; 230, a bottom end; 240, a top end; 250, a limit ring; 300, a wire.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components.
  • Connected, or integrally connected can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components.
  • the specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
  • the switching device 200 cooperates with a switch for controlling a switch.
  • the switch device of the embodiment is used in conjunction with a circuit board. Referring to FIG. 2 and FIG. 3, the switch device 200 and the circuit board 140 are fixed and fixed, and the switch is directly mounted and fixed on the circuit.
  • the board 140 is such that the switching device 200 is directly fixed to the circuit board 140 to cooperate with the switch to control the switch on the circuit board.
  • the switching device of this embodiment is only described as an example in which the switching device is fixed on the circuit board, and is not limited thereto. Of course, the switching device can also be fixed at other locations for use.
  • Control switch For example, the switch is electrically connected to the circuit board through the wire, and the switch is fixed on a casing, and the switch device is fixedly mounted on the casing and matched with the switch for controlling the switch.
  • the present embodiment discloses a switch device 200 for mounting on a circuit board 140 and mating with a switch 150 fixed on the circuit board 140.
  • the switch device 200 includes a button frame 220 fixed on the circuit board 140 and a button 210 connected to the movable button frame 220, and the switch 150 is located in the button frame 220, and the button 210 is in the button frame 220
  • the upper activity is to control the switch 150.
  • the button holder 220 of the embodiment is fixedly connected to the circuit board 140.
  • the button 210 is movably connected to the button holder 220, and the switch 150 on the circuit board 140 is controlled by the movement of the button 210 on the button holder 220 for the user to pass.
  • the button 210 controls the switch 150.
  • the present invention directly mounts the button 210 to the circuit board 140 through the button holder 220, and directly matches the button 210 and the switch 150, thereby facilitating production and assembly, and directly connecting the circuit board 140 after the connection is completed. It can be assembled with the outer casing, and the production and assembly process are accelerated without additional cooperation compared with the prior art.
  • the switching device 200 of the embodiment is two, as shown in FIG. 2; and the switch 140 is also two, as shown in FIG. 3; in this embodiment, one switching device 200 cooperates with a switch.
  • this embodiment only provides a switch 150 on the circuit board 140, and it is also possible to cooperate with a switching device 200.
  • the button holder 220 includes a bottom end 230 fixedly coupled to the circuit board 140 and a top end 240 opposite the bottom end 230.
  • the key frame 220 and the circuit board 140 are detachably fixedly connected.
  • the key frame 220 and the circuit board 140 of the embodiment are fixedly connected by a snap connection.
  • the button frame 220 is provided with a buckle 227.
  • the circuit board 140 is provided with a card hole 141 for placing the buckle 227, and the snap-fit and the card hole snap-fit are easily realized.
  • the button holder 220 includes a first wall 221, a second wall 222, a third wall 223 and a fourth wall 224 between the top end 240 and the bottom end 230; the first wall 221 and the second wall 222
  • the third wall 223 and the fourth wall 224 are oppositely disposed, and the third wall 223 and the fourth wall 224 are respectively provided with a buckle 227, and the two buckles 227 are respectively located on the third wall 223 and the second On the outer surface of the four walls 224.
  • the buckle 227 is located at the bottom end 230 of the button frame 220 and protrudes from the first wall 221 and the second wall 222.
  • the circuit board 140 is provided with two card holes 141 for placing the buckles 227, and the two card holes 141 are respectively located at two sides of the switch 150.
  • the first wall 221 and the second wall 222 are pressed against the circuit board 140 when the buckle 227 is inserted into the card hole 141 while being snapped onto the circuit board 140.
  • This is a specific way of detachable and fixed connection between the button holder and the circuit board.
  • the two opposite side walls of the key holder and the other two opposite side walls are spaced apart, so that the four side walls of the key holder are elastic. The elasticity through the side walls is more easily achieved during the fixed connection or disassembly with the circuit board.
  • the third wall 223 is spaced apart from the first wall 221 and the second wall 222
  • the fourth wall 224 is spaced apart from the first wall 221 and the second wall 222, two
  • the minimum distance between the card holes 141 is smaller than the distance between the third wall 223 and the fourth wall 224; the maximum distance between the two card holes 141 is smaller than between the two of the buckles 227 The maximum distance is greater than the distance between the third wall 223 and the fourth wall 224.
  • the third wall 223 and the fourth wall 224 are spaced apart from the first wall 221 and the second wall 222, respectively, such that the third wall 223 and the fourth wall 224 have elasticity, passing through the third wall 223 and the fourth wall 224.
  • the elastic deformation, the buckle 227 is adjusted to insert the buckle 227 into the corresponding hole 141; and in the process of removing the buckle 227, the buckle 227 can be squeezed, also through the third wall 223 and the fourth
  • the elastic deformation of the wall 227 is such that the buckle 227 is disengaged from the inside of the card hole 141.
  • the roots of the third wall 223 and the fourth wall 224 are respectively provided with reinforcing ribs. Increased reinforcement The strength of the third wall 223 and the fourth wall 224 prevents the third wall 223 and the fourth wall 224 from being broken when deformation occurs.
  • the top end 240 is provided with a first through hole 225 and a second through hole 226.
  • the button 210 includes a button cap 213, a contact rod 211 and a limiting rod 212.
  • the lever 211 and the limiting rod 212 are located at The touch lever 211 is configured to be inserted into the first through hole 225 and used to control the switch 150; the limit rod 212 is configured to be inserted into the first surface of the button cap 213.
  • a limiting block 214 is defined on the top of the limiting rod 212 for limiting the limiting rod 212 to the second through hole 226 .
  • buttons 210 and the button holder 220 cooperate with each other, and the limiting rod 212 and the contact rod 211 are respectively inserted into the second through hole 226 and the first through hole 225, so that the limiting rod 212 and the contact rod 211 respectively
  • the second through hole 226 and the first through hole 225 are moved to stabilize the active connection between the button 210 and the button frame 220, so that the control bar 210 is more stably controlled during the control of the button 210 to control the switch 150. .
  • the top of the limiting rod 212 is provided with an opening 215 to form two portions of the top of the limiting rod 212; the top two portions of the limiting rod 212 are compressed toward the opening, and the two portions are in contact with each other.
  • the size of the time is less than or equal to the size of the second through hole 226.
  • the top of the limiting rod 212 is provided with an opening 215 so that the two portions of the top of the limiting rod 212 separated by the opening 215 are elastic with each other, so that the top of the limiting rod can be passed through when the limiting rod is inserted into the second through hole.
  • the squeezing causes deformation of the top of the limiting rod so that the limiting rod can be smoothly inserted into the second through hole.
  • the limiting block protrudes out of the second through hole, so that the two portions on both sides of the opening are restored to the original shape, so that the size of the limiting block is larger than the second through hole.
  • the size of the limiting block and the side walls around the second through hole cooperate to achieve the function of the limit.
  • the top of the limiting rod 212 is further provided with a chamfer, which further facilitates the insertion of the limiting rod 212 into the second through hole.
  • the top surface of the top of the button holder 220 is provided with a limiting plate for limiting the contact bar 211.
  • the limiting plate is two, respectively located on opposite sides of the contact bar.
  • the limit plate acts as a limit on the contact bar, so that the two sides of the touch bar are limited by the limit plate, and the other sides of the touch bar are limited by the side wall of the button frame, thereby The four sides of the contact bar are simultaneously limited, so that the contact bar is more stable during the movement process, and is not easy to tilt, thereby making the touch bar more stable trigger switch.
  • the top of the button holder 220 is provided with a limiting ring 250 for limiting the button cap 213.
  • the height of the limiting ring 250 is equal to the distance that the lever 211 triggers the switch 150.
  • the limit ring 250 is set to prevent the pressing force from being excessive and damaging the switch 150.
  • the limiting ring 250 includes a first limiting ring 229 disposed around the first through hole 225 and a second limiting ring 228 disposed around the second through hole 226.
  • the first limiting ring and the second limiting ring height the same.
  • the two limit rings are provided to better limit the position of the button cap.
  • the button 210 and the button holder 220 are fixedly connected by the limiting rod 212, so that the button 210 moves on the button holder 220, and the switch 150 is controlled by the lever 211.
  • the present embodiment can also control the switch by other means.
  • a limit lever 212 is provided only on the button cap 213 without providing a lever.
  • the top 240 of the button frame 220 is only provided with the second through hole 226, and the first through hole 225 is not provided.
  • the second through hole 226 and the switch are corresponding, so that the limit rod 212 can be directly controlled by the insertion of the limit rod 212 into the second through hole 226 without additional setting.
  • the lever is used to control the switch. This simplifies the structure of the buttons and the button holder for production and cooperation; however, in contrast, the structure of the lever to control the switch is more stable.
  • a second embodiment of the present invention discloses a hand blender.
  • the hand blender 100 includes a stirring blade set 130 , a housing 120 , and a driving device 110 mounted in the housing 120 .
  • the device 110 is drivingly coupled to the agitating blade set 130 for driving the agitating blade set 130.
  • the hand blender 100 further includes a switch 150 and a switch device 200 for controlling the switch 150.
  • the switch 150 is disposed on a circuit board 140, and the circuit board 140 is The driving device 110 is electrically connected; the switching device 200 includes a button frame 220 fixed on the circuit board 140 and a movable button 210 connected to the button frame 220, and the switch 150 is located at the Within the button tray 220, the button 210 is movable on the button holder 220 to control the switch 150.
  • the button holder 220 of the embodiment is fixedly connected to the circuit board 140.
  • the button 210 is movably connected to the button holder 220, and the switch 150 on the circuit board 140 is controlled by the movement of the button 210 on the button holder 220 for the user to pass.
  • the button 210 controls the switch 150.
  • the button 210 is directly mounted and fixed on the circuit board 140 through the button frame 220, and the button 210 and the switch 150 are directly matched, thereby facilitating production and assembly, and directly connecting the circuit board after the connection is completed.
  • the assembly 140 can be assembled with the housing 120, and the production and assembly process is accelerated without additional cooperation compared to the prior art.
  • the circuit board 140 is connected to a plug through the wire 300, and is electrically connected to the external power through the plug, and supplies power to the hand-held mixer 100 through the external power.
  • the switching device 200 of the embodiment is two, as shown in FIG. 2; and the switch 140 is also two, as shown in FIG. 3; in this embodiment, one switching device 200 cooperates with a switch.
  • this embodiment only provides a switch 150 on the circuit board 140, and it is also possible to cooperate with a switching device 200.
  • the button holder 220 includes a bottom end 230 fixedly coupled to the circuit board 140 and a top end 240 opposite the bottom end 230.
  • the key frame 220 and the circuit board 140 are detachably fixedly connected.
  • the key frame 220 and the circuit board 140 of the embodiment are fixedly connected by a snap connection.
  • a snap connection it is also possible for a person skilled in the art to make a fixed connection by other detachable means, such as a screw connection.
  • the button frame 220 is provided with a buckle 227.
  • the circuit board 140 is provided with a card hole 141 for placing the buckle 227, and the snap-fit and the card hole snap-fit are easily realized.
  • the button holder 220 includes a first wall 221, a second wall 222, a third wall 223 and a fourth wall 224 between the top end 240 and the bottom end 230; the first wall 221 and the second wall 222
  • the third wall 223 and the fourth wall 224 are oppositely disposed, and the third wall 223 and the fourth wall 224 are respectively provided with a buckle 227, and the two buckles 227 are respectively located on the third wall 223 and the second On the outer surface of the four walls 224.
  • the buckle 227 is located at the bottom end 230 of the button frame 220 and protrudes from the first wall 221 and the second wall 222.
  • the circuit board 140 is provided with two card holes 141 for placing the buckles 227, and the two card holes 141 are respectively located at two sides of the switch 150.
  • the first wall 221 and the second wall 222 are pressed against the circuit board 140 when the card hole 141 is simultaneously fastened to the circuit board 140.
  • This is a specific way of detachable and fixed connection between the button holder and the circuit board.
  • the two opposite side walls of the key holder and the other two opposite side walls are spaced apart, so that the four side walls of the key holder are elastic. The elasticity through the side walls is more easily achieved during the fixed connection or disassembly with the circuit board.
  • the third wall 223 is spaced apart from the first wall 221 and the second wall 222
  • the fourth wall 224 is spaced apart from the first wall 221 and the second wall 222, two
  • the minimum distance between the card holes 141 is smaller than the distance between the third wall 223 and the fourth wall 224; the maximum distance between the two card holes 141 is smaller than between the two of the buckles 227 The maximum distance is greater than the distance between the third wall 223 and the fourth wall 224.
  • the third wall 223 and the fourth wall 224 are spaced apart from the first wall 221 and the second wall 222, respectively, such that the third wall 223 and the fourth wall 224 have elasticity, passing through the third wall 223 and the fourth wall 224.
  • the elastic deformation, the buckle 227 is adjusted to insert the buckle 227 into the corresponding hole 141; and in the process of removing the buckle 227, the buckle 227 can be squeezed, also through the third wall 223 and the fourth
  • the elastic deformation of the wall 227 is such that the buckle 227 is disengaged from the inside of the card hole 141.
  • the roots of the third wall 223 and the fourth wall 224 are respectively provided with reinforcing ribs.
  • the ribs increase the strength of the third wall 223 and the fourth wall 224 to prevent the third wall 223 and the fourth wall 224 from being broken when deformation occurs.
  • the top end 240 is provided with a first through hole 225 and a second through hole 226.
  • the button 210 includes a button cap 213, a contact rod 211 and a limiting rod 212.
  • the lever 211 and the limiting rod 212 are located at The touch lever 211 is configured to be inserted into the first through hole 225 and used to control the switch 150; the limit rod 212 is configured to be inserted into the first surface of the button cap 213.
  • a limiting block 214 is defined on the top of the limiting rod 212 for limiting the limiting rod 212 to the second through hole 226 .
  • buttons 210 and the button holder 220 cooperate with each other, and the limiting rod 212 and the contact rod 211 are respectively inserted into the second through hole 226 and the first through hole 225, so that the limiting rod 212 and the contact rod 211 respectively Acting in the second through hole 226 and the first through hole 225, thereby causing the button 210 and the button holder 220
  • the active connection between the two is stable to control the switch 211 to control the switch 150 more stably during the control of the button 210.
  • the top of the limiting rod 212 is provided with an opening 215 to form two portions of the top of the limiting rod 212; the top two portions of the limiting rod 212 are compressed toward the opening, and the two portions are in contact with each other.
  • the size of the time is less than or equal to the size of the second through hole 226.
  • the top of the limiting rod 212 is provided with an opening 215 so that the two portions of the top of the limiting rod 212 separated by the opening 215 are elastic with each other, so that the top of the limiting rod can be passed through when the limiting rod is inserted into the second through hole.
  • the squeezing causes deformation of the top of the limiting rod so that the limiting rod can be smoothly inserted into the second through hole.
  • the limiting block protrudes out of the second through hole, so that the two portions on both sides of the opening are restored to the original shape, so that the size of the limiting block is larger than the second through hole.
  • the size of the limiting block and the side walls around the second through hole cooperate to achieve the function of the limit.
  • the top of the limiting rod 212 is further provided with a chamfer, which further facilitates the insertion of the limiting rod 212 into the second through hole.
  • the top surface of the top of the button holder 220 is provided with a limiting plate for limiting the contact bar 211.
  • the limiting plate is two, respectively located on opposite sides of the contact bar.
  • the limit plate acts as a limit on the contact bar, so that the two sides of the touch bar are limited by the limit plate, and the other sides of the touch bar are limited by the side walls of the button frame, so that the four sides of the touch bar are simultaneously limited, so that The lever is more stable during the movement and is not easy to tilt, which in turn makes the lever more stable to trigger the switch.
  • the top of the button holder 220 is provided with a limiting ring 250 for limiting the button cap 213.
  • the height of the limiting ring 250 is equal to the distance that the lever 211 triggers the switch 150.
  • the limit ring 250 is set to prevent the pressing force from being excessive and damaging the switch 150.
  • the limiting ring 250 includes a first limiting ring 229 disposed around the first through hole 225 and a second limiting ring 228 disposed around the second through hole 226.
  • the first limiting ring and the second limiting ring height the same.
  • the two limit rings are provided to better limit the position of the button cap.
  • the button 210 and the button holder 220 are fixedly connected by the limiting rod 212, so that the button 210 moves on the button holder 220, and the switch 150 is controlled by the lever 211.
  • the present embodiment can also control the switch by other means.
  • a limit lever 212 is provided only on the button cap 213 without providing a lever.
  • the top 240 of the button frame 220 is only provided with the second through hole 226, and the first through hole 225 is not provided.
  • the second through hole 226 and the switch are corresponding, so that the limit rod 212 can be directly controlled by the insertion of the limit rod 212 into the second through hole 226 without additional setting.
  • the lever is used to control the switch. This simplifies the structure of the buttons and the button holder for production and cooperation; however, in contrast, the structure of the lever to control the switch is more stable.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Push-Button Switches (AREA)

Abstract

一种手持式搅拌机及其开关装置，所述手持式搅拌机包括搅拌刀组（130）、壳体（120）以及安装在所述壳体内的驱动装置（110），所述驱动装置（110）与所述搅拌刀组（130）传动连接用于驱动所述搅拌刀组（130），所述手持式搅拌机还包括开关（150）和用于控制所述开关（150）的开关装置（200），所述开关（150）设置在一电路板（140）上，所述电路板（140）与所述驱动装置（110）电性连接；所述开关装置（200）包括固定在所述电路板（140）上的按键架（220）和活动的连接在所述按键架（220）上的按键（210），且所述开关（150）位于所述按键架（220）内，所述按键（210）在所述按键架（220）上活动以控制所述开关（150）。本发明通过按键架（220）将按键（210）直接安装固定于电路板（140）上，且使得按键（210）和开关（150）直接配合，从而方便生产、组装，相比现有技术，无需额外配合，加快了生产、组装过程。

Description

一种手持式搅拌机及其开关装置 【技术领域】
本发明涉及搅拌机领域，更具体的说，涉及一种手持式搅拌机及其开关装置。
【背景技术】
目前，各种小型的家用食品加工器械由于其使用的便利性，而越来越多地进入平常百姓的日常生活中，食物搅拌机便是一种应用非常广泛的器械。
一般而言，食物搅拌机包括用于搅拌、粉碎食物的搅拌刀组，用于驱动该搅拌刀组的驱动装置，和用于提供动力的动力装置；动力装置和驱动装置电性连接，使得驱动装置驱动搅拌刀组。其中，驱动装置中驱动电机和搅拌刀组传动连接，通过驱动电机的转动驱动搅拌刀组转动，进而使得搅拌刀组实现搅拌、粉碎食物的目的。现有的驱动电机都是直接安装固定在食物搅拌机的壳体的内部，通过壳体内部的结构实现固定。其中，动力装置包括与驱动电机电连接的电路板，电路板通过导线连接有插头，插头可与外电连接为驱动电机供电。电路板上设置有开关，用于控制驱动电机是否工作，动力装置还包括和开关配合的按键，按键与开关相互配合，并被食物搅拌机的壳体限位固定，以便控制开关。且壳体设置有用于放置按键的开关孔。
在生产、装配过程中，需要先将按键插入到壳体上设置的开关孔内，再将开关和按键相互配合。但是，在实际组装过程中，将按键插入到壳体的开关孔内后，再将开关和按键进行配合并不容易实现，在安装配合过程中需要同时兼顾壳体和按键两者再与开关进行配合，需要花费较多的时间。另外，即使配合完成，还需将两个壳体进行配合固定，在此过程中不能够对配合完成的开关和按键产生触碰，或者需要对开关和按键配合后进行定位，进一步增加组装的时间和难度。因此，加快组装是亟待解决的问题。
【发明内容】
本发明所要解决的技术问题是提供一种快速组装按键和开关的手持式搅拌机及其开关装置。
本发明的目的是通过以下技术方案来实现的：
本发明的一个方面是：一种手持式搅拌机，包括搅拌刀组、壳体以及安装在所述壳体内的驱动装置，所述驱动装置与所述搅拌刀组传动连接用于驱动所述搅拌刀组，所述手持式搅拌机还包括开关和用于控制所述开关的开关装置，所述开关设置在一电路板上，所述电路板与所述驱动装置电性连接；所述开关装置包括固定在所述电路板上的按键架和活动的连接在所述按键架上的按键，且所述开关位于所述按键架内，所述按键在所述按键架上活动以控制所述开关。
优选的，所述按键架包括与所述电路板固定连接的底端和与所述底端相对的顶端，所述顶端设置有第一通孔和第二通孔，所述按键包括按键帽、触杆和限位杆，所述触杆和限位杆都位于所述按键帽的同一面上，所述触杆用于插入到所述第一通孔内，且用于控制所述开关；所述限位杆用于插入到所述第二通孔内，所述限位杆顶部设置有使所述限位杆限位于所述第二通孔内的限位块。按键与按键架相互配合的一种具体方式，通过限位杆及触杆分别插入到第二通孔和第一通孔内，可使得限位杆及触杆分别在第二通孔和第一通孔内进行活动，从而使得按键和按键架之间的活动连接稳定，以便在控制按键的过程中更加稳定的控制触杆来控制开关。
优选的，所述限位杆顶部设置有开口使所述限位杆顶部形成等大的两个部分；所述限位杆顶部两部分向所述开口方向压缩，且两部分接触时的大小小于或等于所述第二通孔的大小。限位杆顶部设置开口以便限位杆顶部被开口分开的两个部分相互之间具有弹性，从而在将限位杆插入到第二通孔内时可通过对限位杆顶部的挤压使得限位杆顶部产生形变以便限位杆顺利的插入到第二通孔内。
优选的，所述按键架顶部内表面设置有用于限位所述触杆的限位板，所述 限位板为两个，分别位于所述触杆的两相对侧。限位板对触杆起到限位作用，这样触杆的两侧由限位板限位，触杆另外两侧由按键架的侧壁限位，从而触杆的四面同时被限位，这样触杆在活动过程中更加稳定，不易倾斜，进而使得触杆更加稳定的触发开关。
优选的，所述按键架还包括位于所述顶端和底端之间的第一壁、第二壁、第三壁及第四壁；所述第一壁和第二壁相对设置，所述第三壁和第四壁相对设置，所述第三壁和第四壁上分别设置有卡扣，对应的，所述电路板上设置有用于放置所述卡扣的两个卡孔，所述卡扣位于所述按键架的底端，且突出于所述第一壁和第二壁，当所述卡扣插入到所述卡孔内，同时扣合到所述电路板上时所述第一壁和第二壁顶压到所述电路板上。这是按键架和电路板可拆卸固定连接的一种具体方式，卡扣和卡孔卡接配合容易实现；且按键架的其中两个相对侧壁和另外两个相对侧壁之间形成间隔，这样使得按键架的四个侧壁都具有弹性，在和电路板进行固定连接或拆卸过程中通过侧壁的弹性更加容易实现。
优选的，所述第三壁与第一壁和第二壁之间相互间隔设置，所述第四壁与第一壁和第二壁之间相互间隔设置，两个所述卡孔之间的最小距离小于所述第三壁和第四壁之间的距离；两个所述卡孔之间的最大距离小于两个所述卡扣之间的最大距离，且大于所述第三壁和第四壁之间的距离。第三壁、第四壁分别与第一壁和第二壁之间相互间隔设置，从而使得第三壁和第四壁具有弹性，通过第三壁及第四壁的弹性形变，调整卡扣，以便将卡扣插入到对应的卡孔内；而且在取出卡扣的过程中，可以通过挤压卡扣，同样通过第三壁及第四壁的弹性形变以便使得卡扣从卡孔内脱离。
优选的，所述第三壁和第四壁的根部分别设置有加强筋。增加第三壁、第四壁的强度，防止第三壁和第四壁在产生形变时折断。
优选的，所述按键架顶部设置有用于限位所述按键帽的限位环，所述限位环的高度等于所述触杆触发所述开关的距离。设置限位环防止按压力度过大而损坏开关。
本发明的另一个方面是：一种开关装置，用于安装固定在电路板上，并与固定在所述电路板上的开关配合，所述开关装置包括固定在所述电路板上的按键架和活动的连接在所述按键架上的按键，且所述开关位于所述按键架内，所述按键在所述按键架上活动以控制所述开关。
优选的，所述按键架包括与所述电路板固定连接的底端和与所述底端相对的顶端，所述顶端设置有第一通孔和第二通孔，所述按键包括按键帽、触杆和限位杆，所述触杆和限位杆都位于所述按键帽的同一面上，所述触杆用于插入到所述第一通孔内，且用于控制所述开关；所述限位杆用于插入到所述第二通孔内，所述限位杆顶部设置有使所述限位杆限位于所述第二通孔内的限位块。
与现有技术相比，本发明的技术效果是：本发明的按键架固定连接到电路板上，按键活动连接到按键架上，并通过按键在按键架上的活动来控制电路板上的开关，以便使用者通过按键控制开关，本发明通过按键架将按键直接安装固定于电路板上，且使得按键和开关直接配合，从而方便生产、组装，直接将配合连接完成后的电路板与壳体装配即可，相比现有技术，无需额外配合，加快了生产、组装过程。
【附图说明】
图1是本发明实施例二手持式搅拌机的剖面图；
图2是本发明实施例一开关装置和电路板配合的示意图；
图3是本发明实施例一开关设置在电路板上的示意图；
图4是本发明实施例一开关装置的结构示意图；
图5是本发明实施例一按键架的结构示意图；
图6是本发明实施例一按键的结构示意图；
图7是本发明另一按键架的结构示意图；
图8是本发明另一按键的结构示意图。
其中：100、手持式搅拌机；110、驱动装置；120、壳体；130、搅拌刀组； 140；电路板；141、卡孔；150；开关；200、开关装置；210、按键；211、触杆；212、限位杆；213、按键帽；214、限位块；215、开口；220、按键架；221、第一壁；222、第二壁；223、第三壁；224、第四壁；225、第一通孔；226、第二通孔；227、卡扣；228、第一限位环；229、第二限位环；230、底端；240、顶端；250、限位环；300、导线。
【具体实施方式】
在本发明的描述中，需要理解的是，术语“中心”、“横向”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”、“第三”、“第四”等仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”、“第三”、“第四”等的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明的描述中，除非另有说明，“多个”的含义是两个或两个以上。另外，术语“包括”及其任何变形，意图在于覆盖不排他的包含。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。
下面结合附图和较佳的实施例对本发明作进一步说明。
下面参考图4至图6描述本发明实施例一的开关装置，此开关装置200与开关配合，用于控制开关。本实施例的开关装置配合一电路板使用，参见图2和图3所示，开关装置200和电路板140配合固定，且开关直接安装固定在电路 板140，这样就方便开关装置200直接固定到电路板140上与开关进行配合，从而控制该电路板上的开关。
需要说明的是，对于本领域技术人员而言，本实施例的开关装置仅仅依开关装置固定在电路板上为例进行说明，并不限于此，当然，开关装置也可以固定在其他位置用于控制开关。例如：将开关通过导线和电路板电性连接，且开关固定在一外壳上，将开关装置安装固定在外壳上，并与开关配合，用于控制此开关。
如图4至图6所示，本实施例公开一种开关装置200，用于安装固定在电路板140上，并与固定在所述电路板140上的开关150配合，所述开关装置200包括固定在所述电路板140上的按键架220和活动的连接在所述按键架220上的按键210，且所述开关150位于所述按键架220内，所述按键210在所述按键架220上活动以控制所述开关150。
本实施例的按键架220固定连接到电路板140上，按键210活动连接到按键架220上，并通过按键210在按键架220上的活动来控制电路板140上的开关150，以便使用者通过按键210控制开关150，本发明通过按键架220将按键210直接安装固定于电路板140上，且使得按键210和开关150直接配合，从而方便生产、组装，直接将配合连接完成后的电路板140与外壳装配即可，相比现有技术，无需额外配合，加快了生产、组装过程。
需要说明的是，本实施例的开关装置200为两个，如图2所示；以及开关140也为两个，如图3所示；本实施例一个开关装置200和一个开关相配合。当然，本实施例仅在电路板140上设置一个开关150，并由一个开关装置200与其配合也是可以的。
其中，所述按键架220包括与所述电路板140固定连接的底端230和与所述底端230相对的顶端240。本实施例按键架220和电路板140之间可拆卸的固定连接。
具体的，本实施例按键架220和电路板140之间通过卡接固定连接。当然， 对于本领域技术人员而言，通过其他可拆卸的方式进行固定连接也是可以的，比如通过螺丝固定连接。按键架220上设置有卡扣227，对应的，电路板140上设置有用于放置所述卡扣227的卡孔141，卡扣和卡孔卡接配合容易实现。
进一步的，按键架220包括位于所述顶端240和底端230之间的第一壁221、第二壁222、第三壁223及第四壁224；所述第一壁221和第二壁222相对设置，所述第三壁223和第四壁224相对设置，所述第三壁223和第四壁224上分别设置有卡扣227，此两个卡扣227分别位于第三壁223和第四壁224的外表面上。所述卡扣227位于所述按键架220的底端230，且突出于所述第一壁221和第二壁222。对应的，所述电路板140上设置有用于放置所述卡扣227的两个卡孔141，此两个卡孔141分别位于开关150的两侧位置。当所述卡扣227插入到所述卡孔141内，同时扣合到所述电路板140上时所述第一壁221和第二壁222顶压到所述电路板140上。这是按键架和电路板可拆卸固定连接的一种具体方式，按键架的其中两个相对侧壁和另外两个相对侧壁之间形成间隔，这样使得按键架的四个侧壁都具有弹性，在和电路板进行固定连接或拆卸过程中通过侧壁的弹性更加容易实现。
更进一步的，所述第三壁223与第一壁221和第二壁222之间相互间隔设置，所述第四壁224与第一壁221和第二壁222之间相互间隔设置，两个所述卡孔141之间的最小距离小于所述第三壁223和第四壁224之间的距离；两个所述卡孔141之间的最大距离小于两个所述卡扣227之间的最大距离，且大于所述第三壁223和第四壁224之间的距离。第三壁223、第四壁224分别与第一壁221和第二壁222之间相互间隔设置，从而使得第三壁223和第四壁224具有弹性，通过第三壁223及第四壁224的弹性形变，调整卡扣227，以便将卡扣227插入到对应的卡孔141内；而且在取出卡扣227的过程中，可以通过挤压卡扣227，同样通过第三壁223及第四壁227的弹性形变以便使得卡扣227从卡孔141内脱离。
其中，所述第三壁223和第四壁224的根部分别设置有加强筋。加强筋增加 第三壁223、第四壁224的强度，防止第三壁223和第四壁224在产生形变时折断。
其中，所述顶端240设置有第一通孔225和第二通孔226，所述按键210包括按键帽213、触杆211和限位杆212，所述触杆211和限位杆212都位于所述按键帽213的同一面上，所述触杆211用于插入到所述第一通孔225内，且用于控制所述开关150；所述限位杆212用于插入到所述第二通孔226内，所述限位杆212顶部设置有使所述限位杆212限位于所述第二通孔226内的限位块214。按键210与按键架220相互配合的一种具体方式，通过限位杆212及触杆211分别插入到第二通孔226和第一通孔225内，可使得限位杆212及触杆211分别在第二通孔226和第一通孔225内进行活动，从而使得按键210和按键架220之间的活动连接稳定，以便在控制按键210的过程中更加稳定的控制触杆211来控制开关150。
进一步的，所述限位杆212顶部设置有开口215使所述限位杆212顶部形成等大的两个部分；所述限位杆212顶部两部分向所述开口方向压缩，且两部分接触时的大小小于或等于所述第二通孔226的大小。限位杆212顶部设置开口215以便限位杆212顶部被开口215分开的两个部分相互之间具有弹性，从而在将限位杆插入到第二通孔内时可通过对限位杆顶部的挤压使得限位杆顶部产生形变以便限位杆顺利的插入到第二通孔内。而且，当限位杆插入到第二通孔内后，同时限位块突出到第二通孔外，这样开口两侧的两个部分恢复原状，这样限位块的大小就大于第二通孔的大小，从而限位块和第二通孔周围的侧壁相互配合实现限位的功能。
其中，限位杆212顶部还设置有倒角，进一步便于限位杆212插入到第二通孔内。
其中，所述按键架220顶部内表面设置有用于限位所述触杆211的限位板，所述限位板为两个，分别位于所述触杆的两相对侧。限位板对触杆起到限位作用，这样触杆的两侧由限位板限位，触杆另外两侧由按键架的侧壁限位，从而 触杆的四面同时被限位，这样触杆在活动过程中更加稳定，不易倾斜，进而使得触杆更加稳定的触发开关。
其中，所述按键架220顶部设置有用于限位所述按键帽213的限位环250，所述限位环250的高度等于所述触杆211触发所述开关150的距离。设置限位环250防止按压力度过大而损坏开关150。具体的，限位环250包括围绕第一通孔225设置的第一限位环229和围绕第二通孔226设置的第二限位环228，第一限位环和第二限位环高度相同。本实施例设置两个限位环对按键帽的限位效果更佳。当然，本实施例仅设置其中一个限位环也是可以的。
本实施例按键210和按键架220由限位杆212起到固定连接的作用的，以便按键210在按键架220上活动，进而通过触杆211来控制开关150。
需要说明书的是，本实施例也可以通过其它的方式来控制开关。例如：如图7和图8所示，仅在按键帽213上设置一个限位杆212，而不设置触杆。对应的，按键架220的顶部240仅仅设置第二通孔226，而不设置第一通孔225。这样，在将按键架220安装固定在电路板上时将第二通孔226和开关相对应，从而限位杆212插入到第二通孔226内后可直接控制开关，而无需再通过额外设置触杆来实现对开关的控制。这样就简化了按键及按键架的结构，以便生产和配合；但是，相比之下，设置触杆来控制开关的结构更加稳定。
本发明的实施例二公开一种手持式搅拌机，如图1所示，此手持式搅拌机100包括搅拌刀组130、壳体120以及安装在所述壳体120内的驱动装置110，所述驱动装置110与所述搅拌刀组130传动连接用于驱动所述搅拌刀组130。结合图2至图6所示，所述手持式搅拌机100还包括开关150和用于控制所述开关150的开关装置200，所述开关150设置在一电路板140上，所述电路板140与所述驱动装置110电性连接；所述开关装置200包括固定在所述电路板140上的按键架220和活动的连接在所述按键架220上的按键210，且所述开关150位于所述按键架220内，所述按键210在所述按键架220上活动以控制所述开关150。
本实施例的按键架220固定连接到电路板140上，按键210活动连接到按键架220上，并通过按键210在按键架220上的活动来控制电路板140上的开关150，以便使用者通过按键210控制开关150，本实施例通过按键架220将按键210直接安装固定于电路板140上，且使得按键210和开关150直接配合，从而方便生产、组装，直接将配合连接完成后的电路板140与壳体120装配即可，相比现有技术，无需额外配合，加快了生产、组装过程。
其中，电路板140通过导线300连接一插头，通过插头实现与外电的电性连接，通过外电为手持式搅拌机100供电。
需要说明的是，本实施例的开关装置200为两个，如图2所示；以及开关140也为两个，如图3所示；本实施例一个开关装置200和一个开关相配合。当然，本实施例仅在电路板140上设置一个开关150，并由一个开关装置200与其配合也是可以的。
其中，所述按键架220包括与所述电路板140固定连接的底端230和与所述底端230相对的顶端240。本实施例按键架220和电路板140之间可拆卸的固定连接。
具体的，本实施例按键架220和电路板140之间通过卡接固定连接。当然，对于本领域技术人员而言，通过其他可拆卸的方式进行固定连接也是可以的，比如通过螺丝固定连接。按键架220上设置有卡扣227，对应的，电路板140上设置有用于放置所述卡扣227的卡孔141，卡扣和卡孔卡接配合容易实现。
进一步的，按键架220包括位于所述顶端240和底端230之间的第一壁221、第二壁222、第三壁223及第四壁224；所述第一壁221和第二壁222相对设置，所述第三壁223和第四壁224相对设置，所述第三壁223和第四壁224上分别设置有卡扣227，此两个卡扣227分别位于第三壁223和第四壁224的外表面上。所述卡扣227位于所述按键架220的底端230，且突出于所述第一壁221和第二壁222。对应的，所述电路板140上设置有用于放置所述卡扣227的两个卡孔141，此两个卡孔141分别位于开关150的两侧位置。当所述卡扣227插入到所 述卡孔141内，同时扣合到所述电路板140上时所述第一壁221和第二壁222顶压到所述电路板140上。这是按键架和电路板可拆卸固定连接的一种具体方式，按键架的其中两个相对侧壁和另外两个相对侧壁之间形成间隔，这样使得按键架的四个侧壁都具有弹性，在和电路板进行固定连接或拆卸过程中通过侧壁的弹性更加容易实现。
更进一步的，所述第三壁223与第一壁221和第二壁222之间相互间隔设置，所述第四壁224与第一壁221和第二壁222之间相互间隔设置，两个所述卡孔141之间的最小距离小于所述第三壁223和第四壁224之间的距离；两个所述卡孔141之间的最大距离小于两个所述卡扣227之间的最大距离，且大于所述第三壁223和第四壁224之间的距离。第三壁223、第四壁224分别与第一壁221和第二壁222之间相互间隔设置，从而使得第三壁223和第四壁224具有弹性，通过第三壁223及第四壁224的弹性形变，调整卡扣227，以便将卡扣227插入到对应的卡孔141内；而且在取出卡扣227的过程中，可以通过挤压卡扣227，同样通过第三壁223及第四壁227的弹性形变以便使得卡扣227从卡孔141内脱离。
其中，所述第三壁223和第四壁224的根部分别设置有加强筋。加强筋增加第三壁223、第四壁224的强度，防止第三壁223和第四壁224在产生形变时折断。
其中，所述顶端240设置有第一通孔225和第二通孔226，所述按键210包括按键帽213、触杆211和限位杆212，所述触杆211和限位杆212都位于所述按键帽213的同一面上，所述触杆211用于插入到所述第一通孔225内，且用于控制所述开关150；所述限位杆212用于插入到所述第二通孔226内，所述限位杆212顶部设置有使所述限位杆212限位于所述第二通孔226内的限位块214。按键210与按键架220相互配合的一种具体方式，通过限位杆212及触杆211分别插入到第二通孔226和第一通孔225内，可使得限位杆212及触杆211分别在第二通孔226和第一通孔225内进行活动，从而使得按键210和按键架220 之间的活动连接稳定，以便在控制按键210的过程中更加稳定的控制触杆211来控制开关150。
进一步的，所述限位杆212顶部设置有开口215使所述限位杆212顶部形成等大的两个部分；所述限位杆212顶部两部分向所述开口方向压缩，且两部分接触时的大小小于或等于所述第二通孔226的大小。限位杆212顶部设置开口215以便限位杆212顶部被开口215分开的两个部分相互之间具有弹性，从而在将限位杆插入到第二通孔内时可通过对限位杆顶部的挤压使得限位杆顶部产生形变以便限位杆顺利的插入到第二通孔内。而且，当限位杆插入到第二通孔内后，同时限位块突出到第二通孔外，这样开口两侧的两个部分恢复原状，这样限位块的大小就大于第二通孔的大小，从而限位块和第二通孔周围的侧壁相互配合实现限位的功能。
其中，限位杆212顶部还设置有倒角，进一步便于限位杆212插入到第二通孔内。
其中，所述按键架220顶部内表面设置有用于限位所述触杆211的限位板，所述限位板为两个，分别位于所述触杆的两相对侧。限位板对触杆起到限位作用，这样触杆的两侧由限位板限位，触杆另外两侧由按键架的侧壁限位，从而触杆的四面同时被限位，这样触杆在活动过程中更加稳定，不易倾斜，进而使得触杆更加稳定的触发开关。
其中，所述按键架220顶部设置有用于限位所述按键帽213的限位环250，所述限位环250的高度等于所述触杆211触发所述开关150的距离。设置限位环250防止按压力度过大而损坏开关150。具体的，限位环250包括围绕第一通孔225设置的第一限位环229和围绕第二通孔226设置的第二限位环228，第一限位环和第二限位环高度相同。本实施例设置两个限位环对按键帽的限位效果更佳。当然，本实施例仅设置其中一个限位环也是可以的。
本实施例按键210和按键架220由限位杆212起到固定连接的作用的，以便按键210在按键架220上活动，进而通过触杆211来控制开关150。
需要说明书的是，本实施例也可以通过其它的方式来控制开关。例如：如图7和图8所示，仅在按键帽213上设置一个限位杆212，而不设置触杆。对应的，按键架220的顶部240仅仅设置第二通孔226，而不设置第一通孔225。这样，在将按键架220安装固定在电路板上时将第二通孔226和开关相对应，从而限位杆212插入到第二通孔226内后可直接控制开关，而无需再通过额外设置触杆来实现对开关的控制。这样就简化了按键及按键架的结构，以便生产和配合；但是，相比之下，设置触杆来控制开关的结构更加稳定。
以上内容是结合具体的优选实施方式对本发明所作的进一步详细说明，不能认定本发明的具体实施只局限于这些说明。对于本发明所属技术领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本发明的保护范围。

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  1. 一种手持式搅拌机，包括搅拌刀组、壳体以及安装在所述壳体内的驱动装置，所述驱动装置与所述搅拌刀组传动连接用于驱动所述搅拌刀组，其特征在于，所述手持式搅拌机还包括开关和用于控制所述开关的开关装置，所述开关设置在一电路板上，所述电路板与所述驱动装置电性连接；所述开关装置包括固定在所述电路板上的按键架和活动的连接在所述按键架上的按键，且所述开关位于所述按键架内，所述按键在所述按键架上活动以控制所述开关。
  2. 如权利要求1所述的手持式搅拌机，其特征在于，所述按键架包括与所述电路板固定连接的底端和与所述底端相对的顶端，所述顶端设置有第一通孔和第二通孔，所述按键包括按键帽、触杆和限位杆，所述触杆和限位杆都位于所述按键帽的同一面上，所述触杆用于插入到所述第一通孔内，且用于控制所述开关；所述限位杆用于插入到所述第二通孔内，所述限位杆顶部设置有使所述限位杆限位于所述第二通孔内的限位块。
  3. 如权利要求2所述的手持式搅拌器，其特征在于，所述限位杆顶部设置有开口使所述限位杆顶部形成等大的两个部分；所述限位杆顶部两部分向所述开口方向压缩，且两部分接触时的大小小于或等于所述第二通孔的大小。
  4. 如权利要求2所述的手持式搅拌机，其特征在于，所述按键架顶部内表面设置有用于限位所述触杆的限位板，所述限位板为两个，分别位于所述触杆的两相对侧。
  5. 如权利要求2所述的手持式搅拌机，其特征在于，所述按键架还包括位于所述顶端和底端之间的第一壁、第二壁、第三壁及第四壁；所述第一壁和第二壁相对设置，所述第三壁和第四壁相对设置，所述第三壁和第四壁上分别设置有卡扣，对应的，所述电路板上设置有用于放置所述卡扣的两个卡孔，所述卡扣位于所述按键架的底端，且突出于所述第一壁和第二壁，当所述卡扣插入到所述卡孔内，同时扣合到所述电路板上时所述第一壁和第二壁顶压到所述电 路板上。
  6. 如权利要求5所述的手持式搅拌机，其特征在于，所述第三壁与第一壁和第二壁之间相互间隔设置，所述第四壁与第一壁和第二壁之间相互间隔设置，两个所述卡孔之间的最小距离小于所述第三壁和第四壁之间的距离；两个所述卡孔之间的最大距离小于两个所述卡扣之间的最大距离，且大于所述第三壁和第四壁之间的距离。
  7. 如权利要求6所述的手持式搅拌机，其特征在于，所述第三壁和第四壁的根部分别设置有加强筋。
  8. 如权利要求2所述的手持式搅拌机，其特征在于，所述按键架顶部设置有用于限位所述按键帽的限位环，所述限位环的高度等于所述触杆触发所述开关的距离。
  9. 一种开关装置，用于安装固定在电路板上，并与固定在所述电路板上的开关配合，其特征在于，所述开关装置包括固定在所述电路板上的按键架和活动的连接在所述按键架上的按键，且所述开关位于所述按键架内，所述按键在所述按键架上活动以控制所述开关。
  10. 如权利要求9所述的开关装置，其特征在于，所述按键架包括与所述电路板固定连接的底端和与所述底端相对的顶端，所述顶端设置有第一通孔和第二通孔，所述按键包括按键帽、触杆和限位杆，所述触杆和限位杆都位于所述按键帽的同一面上，所述触杆用于插入到所述第一通孔内，且用于控制所述开关；所述限位杆用于插入到所述第二通孔内，所述限位杆顶部设置有使所述限位杆限位于所述第二通孔内的限位块。
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CN204891736U (zh) * 2015-09-07 2015-12-23 惠阳亚伦塑胶电器实业有限公司 手持搅拌机
CN205006701U (zh) * 2015-09-30 2016-02-03 广东科嘉霖电器制造有限公司 一种调速和开关一体式装置的手持式搅拌机

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CN112386134A (zh) * 2020-10-26 2021-02-23 佛山市顺德区富升电子科技有限公司 一种搅拌器及触摸显示屏控制方法

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