WO2022198691A1 - 一种带转速表及指针显示的手持搅拌机 - Google Patents

一种带转速表及指针显示的手持搅拌机 Download PDF

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Publication number
WO2022198691A1
WO2022198691A1 PCT/CN2021/083810 CN2021083810W WO2022198691A1 WO 2022198691 A1 WO2022198691 A1 WO 2022198691A1 CN 2021083810 W CN2021083810 W CN 2021083810W WO 2022198691 A1 WO2022198691 A1 WO 2022198691A1
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WIPO (PCT)
Prior art keywords
tachometer
pointer
cavity
hand
transmission gear
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PCT/CN2021/083810
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English (en)
French (fr)
Inventor
管小虎
肖飞
舒平闲
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东莞市惠家科技有限公司
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Publication of WO2022198691A1 publication Critical patent/WO2022198691A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/20—Measuring; Control or regulation
    • B01F35/22—Control or regulation
    • B01F35/221—Control or regulation of operational parameters, e.g. level of material in the mixer, temperature or pressure
    • B01F35/2214—Speed during the operation
    • B01F35/22142—Speed of the mixing device during the operation
    • B01F35/221422—Speed of rotation of the mixing axis, stirrer or receptacle during the operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/50—Movable or transportable mixing devices or plants
    • B01F33/501—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use
    • B01F33/5011—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
    • B01F35/32—Driving arrangements
    • B01F35/32005—Type of drive
    • B01F35/3204—Motor driven, i.e. by means of an electric or IC motor

Definitions

  • the invention relates to a hand-held mixer with a tachometer and pointer display.
  • the existing hand-held mixers have only two gears, high and low, or require both hands to operate to adjust the rotational speed of each gear, which is inconvenient for operation and use.
  • the present invention overcomes the deficiencies of the above technologies, and provides a hand-held mixer with a tachometer and a pointer display.
  • a hand-held mixer with a tachometer and a pointer display which is characterized in that it includes a shell, the lower end of the shell is provided with a stirrer, the top surface of the shell is provided with a tachometer, and the side of the shell is provided with inward pressing to adjust the speed of the agitator and control
  • the tachometer needle installed in the tachometer rotates and displays the rotational speed of the push drive device.
  • the above-mentioned hand-held mixer with a tachometer and a pointer display is characterized in that: a concave cavity is provided on the shell, a first through hole of the concave cavity is provided on the bottom surface of the concave cavity, and the pressing driving device includes a concave cavity. Sliding button, the rear side of the button is provided with a connecting rod that penetrates the first through hole of the cavity and extends into the casing to connect with the driving element.
  • a spring, a rack is arranged on the upper end of the driving member, a transmission gear is arranged on the top of the outer side of the cavity and rotates with the sliding of the rack, and the transmission gear is connected with the pointer of the tachometer.
  • the above-mentioned hand mixer with a tachometer and a pointer display is characterized in that: the tachometer includes a tachometer bottom case and a tachometer surface case arranged on the top surface of the outer shell, and the tachometer bottom case is provided with a rotation speed indicator plate. , the tachometer pointer is connected with the transmission gear through the through hole of the indicator plate.
  • the above-mentioned hand-held mixer with tachometer and pointer display is characterized in that: the inner side of the connecting hole at the top of the transmission gear is provided with a transmission gear limiting plane, and the pointer connecting end of the tachometer is provided with a pointer limiter that cooperates with the transmission gear limiting plane. bit plane.
  • the above-mentioned hand-held mixer with a tachometer and a pointer display is characterized in that: a positioning protrusion is provided on the top of the outer side of the cavity, and the transmission gear is arranged on the positioning protrusion.
  • the above-mentioned hand-held mixer with tachometer and pointer display is characterized in that: the lower end of the driving part is provided with a driving groove for sliding the potentiometer sliding switch when the connecting rod slides inward, and the casing is provided with a driving groove according to the potential
  • the sliding distance of the agitator sliding switch adjusts the control board of the stirring speed
  • the lower end of the driving part is also provided with a driving bump that presses the microswitch shrapnel when the connecting rod slides inward to make the control board energized.
  • the above hand-held mixer with a tachometer and a pointer display is characterized in that: the drive bump is provided with a drive bump inclined surface that is in contact with the micro-switch shrapnel.
  • the above-mentioned hand-held mixer with a tachometer and a pointer display is characterized in that: limit blocks are respectively provided on both sides of the connecting rod on the rear side of the button, and the bottom surface of the cavity is provided with a second through hole of the cavity to limit the position The blocks respectively pass through the second through holes of the concave cavity and protrude into the casing to be fastened with the driving member.
  • the above-mentioned hand-held mixer with tachometer and pointer display is characterized in that: the connecting rod is provided with a limiting rib along the length direction, and the first through hole of the cavity is provided with a limiting rib that cooperates with the limiting rib
  • the bottom surface of the concave cavity is provided with a convex ring along the first through hole of the concave cavity, and one end of the spring is sleeved on the convex ring.
  • the above-mentioned hand-held mixer with a tachometer and a pointer display is characterized in that: a light-emitting diode for displaying the number of the tachometer is provided in the backlight sheet of the rotation speed indicator plate, and the rotating shaft of the tachometer pointer can absorb the backlight sheet Light shines.
  • the present invention has a humanized design, and can be operated with both hands free; the speed of the motor is controlled by controlling the depth of the button pressing, and when the button is pressed to move, the driving member is driven to move, so that the transmission gear is driven by the rack arranged on the driving member to rotate, Make the transmission gear drive the tachometer pointer to rotate synchronously, realize the speed display of the tachometer, and more intuitively understand the speed at work.
  • Fig. 1 is a schematic diagram of the present invention
  • Fig. 2 is one of the exploded views of the present invention
  • Fig. 3 is the second exploded view of the present invention.
  • Fig. 5 is the schematic diagram of the hand-held part shell of the present invention.
  • FIG. 6 is one of the structural schematic diagrams of the pressing drive device and the tachometer according to the present invention.
  • FIG. 7 is the second structural schematic diagram of the pressing drive device and the tachometer according to the present invention.
  • FIG. 8 is the third schematic diagram of the structure of the pressing drive device and the tachometer according to the present invention.
  • a hand-held mixer with tachometer and pointer display includes a casing 1, a mixer 2 is arranged at the lower end of the casing 1, a tachometer 3 is arranged on the top surface of the casing 1, and a side of the casing 1 is arranged There is a pressing driving device that presses inward to adjust the rotational speed of the mixer 2 and controls the tachometer pointer 31 provided in the tachometer 3 to rotate and display the rotational speed.
  • the casing 1 is provided with a cavity 11, and the bottom surface of the cavity 11 is provided with a first through hole 14 of the cavity.
  • the rear side is provided with a connecting rod 43 extending through the first through hole 14 of the cavity and extending into the casing 1 to connect with the driving member 42 .
  • the connecting rod 43 is sleeved with one end connected to the rear side of the button 41 and the other end connected to the bottom surface of the cavity 11 .
  • the connected spring 44, the upper end of the driving member 42 is provided with a rack 45, the outer top of the cavity 11 is provided with a transmission gear 46 that rotates with the sliding of the rack 45, and the transmission gear 46 is connected with the tachometer pointer 31.
  • the button 41 slides inward along the cavity 11, compresses the spring 44 and causes the driving member 42 connected with the connecting rod 43 to slide inward with the button 41, driving the rack 45 on the driving member 42 to slide. And drive the transmission gear 46 to rotate, so that the tachometer pointer 31 connected with the transmission gear 46 rotates synchronously, and realizes the display of the rotational speed of the agitator motor.
  • the rotation angle on the watch 3 changes with the pressing depth of the button 41; when the button 41 is stopped, the compressed spring 44 resets, pushes the button 41 outward to reset, and the tachometer pointer 31 resets accordingly.
  • the lower end of the driving member 42 is provided with a driving groove 414 for sliding the sliding switch of the potentiometer 413 when the connecting rod 43 slides inward.
  • the lower end of the driving member 42 is also provided with a driving bump 48 which presses the elastic piece of the micro switch 5 when the connecting rod 43 slides inwardly so as to energize the control board 6 .
  • the driving bump 48 disposed at the bottom of the driving member 42 triggers the shrapnel of the micro switch 5 to energize the control board 6; at the same time, the driving groove 414 disposed on the driving member 42 It also drives the sliding switch of the potentiometer 413 to slide synchronously.
  • the control board 6 detects the sliding distance of the sliding switch of the potentiometer 413 to adjust the rotational speed of the agitator 2 , thereby adjusting the rotational speed.
  • the spring 44 resets and drives the button 41 to move outward, and the driver 42 then moves outward and resets.
  • the shrapnel of the micro switch 5 is not triggered, the control board 6 is powered off, and the potentiometer 413 slides at the same time. Switch reset.
  • the tachometer 3 includes a tachometer bottom case 32 and a tachometer surface case 33 arranged on the top surface of the casing 1.
  • the tachometer bottom case 32 is provided with a tachometer indicator plate 34, and the tachometer pointer 31 passes through the tachometer bottom case 32. It is connected with the transmission gear 46 through the through hole of the indicator plate; the backlight plate of the speed indicator plate 34 is provided with a light-emitting diode for displaying the number of the speed meter, and the rotating shaft of the speed meter pointer 31 can absorb the light of the backlight plate to emit light.
  • the tachometer pointer 31 After the power is turned on, the tachometer pointer 31 will light up and display, and the backlight plate of the rotation speed indicator plate 34 is provided with a light-emitting diode, which displays the number of the tachometer after lighting. The light is then guided and refracted to the tachometer pointer 31 , wherein the tachometer pointer 31 and the tachometer indicator 34 can be in any shape and the tachometer 3 can display any color.
  • the inner side of the top connecting hole of the transmission gear 46 is provided with a transmission gear defining plane 47
  • the connecting end of the tachometer pointer 31 is provided with a pointer limiting plane that cooperates with the transmission gear defining plane 47 .
  • the position where the tachometer pointer 31 is installed is the start position of the tachometer 3 .
  • a positioning protrusion 12 is provided on the top of the outer side of the cavity 11 , and a transmission gear 46 is arranged on the positioning protrusion 12 .
  • the gear 46 is engaged with the rack 45 provided on the driving member 42 .
  • the drive bump 48 is provided with a drive bump inclined surface 49 that contacts the elastic piece of the micro switch 5 , which can better trigger the elastic piece of the micro switch 5 to control the power on and off of the control board 6 .
  • limit blocks 410 are respectively provided on the back side of the button 41 on both sides of the connecting rod 43 , the bottom surface of the cavity 11 is provided with a second through hole 13 of the cavity, and the limit blocks 410 pass through the cavity respectively.
  • the second through hole 13 protrudes into the casing 1 and is buckled with the driving member 42 .
  • the button 41 is firmly connected with the driving member 42 after passing through the cavity 11 .
  • the connecting rod 43 is provided with a limiting rib 411 along the length direction, and the first through hole 14 of the concave cavity is provided with a limiting notch that cooperates with the limiting rib 411 .
  • the connecting rod 43 and the button 41 are linearly slid back and forth.
  • a convex ring 412 is provided on the bottom surface of the concave cavity 11 along the first through hole 14 of the concave cavity, and one end of the spring 44 is sleeved on the convex ring 412 . The spring 44 is prevented from being misaligned.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Adjustable Resistors (AREA)

Abstract

一种带转速表（3）及指针（31）显示的手持搅拌机，包括有外壳（1），外壳（1）下端设有搅拌器（2），外壳（1）顶面上设有转速表（3），外壳（1）侧面上设有向内按压调节搅拌器（2）转速以及控制设置于转速表（3）内的转速表指针（31）转动显示转速的按压驱动装置，通过控制按键（41）按压的深浅从而控制电机转速的大小，按键（41）按压移动时，带动驱动件（42）移动，从而通过设置于驱动件（42）上的齿条（45）带动传动齿轮（46）转动，使传动齿轮（46）带动转速表指针（31）同步转动，实现转速表（3）的转速显示，更直观地清楚显示工作时的转速。

Description

一种带转速表及指针显示的手持搅拌机 [技术领域]
本发明涉及一种带转速表及指针显示的手持搅拌机。
[背景技术]
现有的手持搅拌器均只有高低两个档位，或者需要双手操作去调节各个档位的转速，不便于操作使用。
[发明内容]
本发明克服了上述技术的不足，提供了一种带转速表及指针显示的手持搅拌机。
为实现上述目的，本发明采用了下列技术方案：
一种带转速表及指针显示的手持搅拌机，其特征在于：包括有外壳，外壳下端设有搅拌器，外壳顶面上设有转速表，外壳侧面上设有向内按压调节搅拌器转速以及控制设置于转速表内的转速表指针转动显示转速的按压驱动装置。
如上所述的一种带转速表及指针显示的手持搅拌机，其特征在于：外壳上设有凹腔，凹腔底面上设有凹腔第一通孔，按压驱动装置包括有设置凹腔内可滑动的按键，按键后侧设有穿过凹腔第一通孔伸入外壳内与驱动件连接的连接杆，连接杆上套设有一端与按键后侧连接且另一端与凹腔底面连接的弹簧，驱动件上端设有齿条，凹腔外侧顶部设有随齿条滑动而转动的传动齿轮，传动齿轮与转速表指针连接。
如上所述的一种带转速表及指针显示的手持搅拌机，其特征在于：转速表包括有设置与外壳顶面上的转速表底壳和转速表面壳，转速表底壳内 设有转速指示盘，转速表指针穿过指标盘通孔与传动齿轮连接。
如上所述的一种带转速表及指针显示的手持搅拌机，其特征在于：传动齿轮顶部连接孔内侧设有传动齿轮限定平面，转速表指针连接端上设有与传动齿轮限定平面配合的指针限位平面。
如上所述的一种带转速表及指针显示的手持搅拌机，其特征在于：凹腔外侧顶部设有定位凸起，传动齿轮设置于定位凸起上。
如上所述的一种带转速表及指针显示的手持搅拌机，其特征在于：驱动件下端设有随连接杆向内滑动时拨动电位器滑动开关滑动的驱动凹槽，外壳内设有根据电位器滑动开关的滑动距离调节搅拌器转速的控制板，驱动件下端还设有随连接杆向内滑动时按压微动开关弹片从而使控制板通电的驱动凸块。
如上所述的一种带转速表及指针显示的手持搅拌机，其特征在于：驱动凸块上设有与微动开关弹片接触的驱动凸块斜面。
如上所述的一种带转速表及指针显示的手持搅拌机，其特征在于：按键后侧面上在连接杆两侧分别设有限位块，凹腔底面上设有凹腔第二通孔，限位块分别穿过凹腔第二通孔伸入外壳内与驱动件扣接。
如上所述的一种带转速表及指针显示的手持搅拌机，其特征在于：连接杆上沿长度方向设有限位凸棱，凹腔第一通孔上设有与限位凸棱配合的限位缺口,凹腔底面上沿凹腔第一通孔设有凸环，弹簧一端套设在凸环上。
如上所述的一种带转速表及指针显示的手持搅拌机，其特征在于：转速指示盘的背光片内设有用于显示转速仪表数字的发光二极体，转速表指针的旋转轴可吸收背光片光线进行发光。
本发明的有益效果是：
本发明进行人性化设计，可解放双手操作；通过控制按键按压的深浅从而控制电机转速的大小，按键按压移动时，带动驱动件移动，从而通过设置于驱动件上的齿条带动传动齿轮转动，使传动齿轮带动转速表指针同步转动，实现转速表的转速显示，更直观的清楚工作时的转速。
[附图说明]
图1为本发明示意图；
图2为本发明分解图之一；
图3为本发明分解图之二；
图4为本发明局部剖视图；
图5为本发明手持部外壳示意图；
图6为本发明按压驱动装置与转速表结构示意图之一；
图7为本发明按压驱动装置与转速表结构示意图之二；
图8为本发明按压驱动装置与转速表结构示意图之三。
[具体实施方式]
下面结合附图与本发明的实施方式作进一步详细的描述：
如图1-8所示，一种带转速表及指针显示的手持搅拌机，包括有外壳1，外壳1下端设有搅拌器2，外壳1顶面上设有转速表3，外壳1侧面上设有向内按压调节搅拌器2转速以及控制设置于转速表3内的转速表指针31转动显示转速的按压驱动装置。
如图1-5所示，外壳1上设有凹腔11，凹腔11底面上设有凹腔第一通孔14，按压驱动装置包括有设置凹腔11内可滑动的按键41，按键41后侧 设有穿过凹腔第一通孔14伸入外壳1内与驱动件42连接的连接杆43，连接杆43上套设有一端与按键41后侧连接且另一端与凹腔11底面连接的弹簧44，驱动件42上端设有齿条45，凹腔11外侧顶部设有随齿条45滑动而转动的传动齿轮46，传动齿轮46与转速表指针31连接。用户向内按压按键41时，按键41沿凹腔11向内滑动，压缩弹簧44且使与连接杆43连接的驱动件42随按键41相内滑动，带动驱动件42上的齿条45滑动，并带动传动齿轮46转动，从而使与传动齿轮46连接的转速表指针31同步转动，实现搅拌器电机转速的显示，当用户向内按压按键41深入凹腔11内时，转速表指针31在转速表3上的转动角度随按键41按压深度而变化；当停止按压按键41时，压缩的弹簧44复位，将按键41向外推动复位，转速表指针31随之复位。
如图6-8所示，驱动件42下端设有随连接杆43向内滑动时拨动电位器413滑动开关滑动的驱动凹槽414，外壳1内设有根据电位器413滑动开关的滑动距离调节搅拌器2转速的控制板6，驱动件42下端还设有随连接杆43向内滑动时按压微动开关5弹片从而使控制板6通电的驱动凸块48。当用户按压按键41带动驱动件42向内滑动时，设置于驱动件42底部的驱动凸块48触发微动开关5弹片从而使控制板6通电；同时设置于驱动件42上的驱动凹槽414也同步带动电位器413的滑动开关滑动，此时控制板6检测电位器413滑动开关的滑动距离从而调节搅拌器2的转速，从而起到调节转速的作用。停止按压按键41后，弹簧44复位带动按键41向外运动，此时驱动件42随之向外运动复位，复位后微动开关5弹片不被触发，控制板6断电，同时电位器413滑动开关复位。
如图1-4所示，转速表3包括有设置与外壳1顶面上的转速表底壳32和转速表面壳33，转速表底壳32内设有转速指示盘34，转速表指针31穿过指标盘通孔与传动齿轮46连接；转速指示盘34的背光片内设有用于显示转速仪表数字的发光二极体，转速表指针31的旋转轴可吸收背光片光线进行发光的。通电后转速表指针31会发光显示，且转速指示盘34的背光片内设有发光二极体，点亮后显示转速仪表数字，转速表指针31旋转轴从背光片中心通过，吸收背光片的光线，再导光折射到转速表指针31上，其中转速表指针31及转速指示盘34可为任何形状且转速表3可显示任何颜色。
如图3所示，传动齿轮46顶部连接孔内侧设有传动齿轮限定平面47，转速表指针31连接端上设有与传动齿轮限定平面47配合的指针限位平面。使转速表指针31安装后的位置为转速表3的起始位。
如图2-3所示，凹腔11外侧顶部设有定位凸起12，传动齿轮46设置于定位凸起12上。使齿轮46与设置于驱动件42上的齿条45咬合连接。
如图6-8所示，驱动凸块48上设有与微动开关5弹片接触的驱动凸块斜面49，更好地触发微动开关5弹片从而控制控制板6通断电。
如图3-7所示，按键41后侧面上在连接杆43两侧分别设有限位块410，凹腔11底面上设有凹腔第二通孔13，限位块410分别穿过凹腔第二通孔13伸入外壳1内与驱动件42扣接。使按键41穿过凹腔11后与驱动件42稳固连接。
如图3-5所示，连接杆43上沿长度方向设有限位凸棱411，凹腔第一通孔14上设有与限位凸棱411配合的限位缺口。使连接杆43按键41进行 前后直线滑动。凹腔11底面上沿凹腔第一通孔14设有凸环412，弹簧44一端套设在凸环412上。防止弹簧44错位。

Claims (10)

  1. 一种带转速表及指针显示的手持搅拌机，其特征在于：包括有外壳(1)，外壳(1)下端设有搅拌器(2)，外壳(1)顶面上设有转速表(3)，外壳(1)侧面上设有向内按压调节搅拌器(2)转速以及控制设置于转速表(3)内的转速表指针(31)转动显示转速的按压驱动装置。
  2. 根据权利要求1所述的一种带转速表及指针显示的手持搅拌机，其特征在于：外壳(1)上设有凹腔(11)，凹腔(11)底面上设有凹腔第一通孔(14)，按压驱动装置包括有设置凹腔(11)内可滑动的按键(41)，按键(41)后侧设有穿过凹腔第一通孔(14)伸入外壳(1)内与驱动件(42)连接的连接杆(43)，连接杆(43)上套设有一端与按键(41)后侧连接且另一端与凹腔(11)底面连接的弹簧(44)，驱动件(42)上端设有齿条(45)，凹腔(11)外侧顶部设有随齿条(45)滑动而转动的传动齿轮(46)，传动齿轮(46)与转速表指针(31)连接。
  3. 根据权利要求2所述的一种带转速表及指针显示的手持搅拌机，其特征在于：转速表(3)包括有设置与外壳(1)顶面上的转速表底壳(32)和转速表面壳(33)，转速表底壳(32)内设有转速指示盘(34)，转速表指针(31)穿过指标盘通孔与传动齿轮(46)连接。
  4. 根据权利要求2或3所述的一种带转速表及指针显示的手持搅拌机，其特征在于：传动齿轮(46)顶部连接孔内侧设有传动齿轮限定平面(47)，转速表指针(31)连接端上设有与传动齿轮限定平面(47)配合的指针限位平面。
  5. 根据权利要求2所述的一种带转速表及指针显示的手持搅拌机，其特征在于：凹腔(11)外侧顶部设有定位凸起(12)，传动齿轮(46)设置 于定位凸起(12)上。
  6. 根据权利要求2所述的一种带转速表及指针显示的手持搅拌机，其特征在于：驱动件(42)下端设有随连接杆(43)向内滑动时拨动电位器(413)滑动开关滑动的驱动凹槽(414)，外壳(1)内设有根据电位器(413)滑动开关的滑动距离调节搅拌器(2)转速的控制板(6)，驱动件(42)下端还设有随连接杆(43)向内滑动时按压微动开关(5)弹片从而使控制板(6)通电的驱动凸块(48)。
  7. 根据权利要求6所述的一种带转速表及指针显示的手持搅拌机，其特征在于：驱动凸块(48)上设有与微动开关(5)弹片接触的驱动凸块斜面(49)。
  8. 根据权利要求2所述的一种带转速表及指针显示的手持搅拌机，其特征在于：按键(41)后侧面上在连接杆(43)两侧分别设有限位块(410)，凹腔(11)底面上设有凹腔第二通孔(13)，限位块(410)分别穿过凹腔第二通孔(13)伸入外壳(1)内与驱动件(42)扣接。
  9. 根据权利要求2所述的一种带转速表及指针显示的手持搅拌机，其特征在于：连接杆(43)上沿长度方向设有限位凸棱(411)，凹腔第一通孔(14)上设有与限位凸棱(411)配合的限位缺口,凹腔(11)底面上沿凹腔第一通孔(14)设有凸环(412)，弹簧(44)一端套设在凸环(412)上。
  10. 根据权利要求1所述的一种带转速表及指针显示的手持搅拌机，其特征在于：转速指示盘(34)的背光片内设有用于显示转速仪表数字的发光二极体，转速表指针(31)的旋转轴可吸收背光片光线进行发光。
PCT/CN2021/083810 2021-03-23 2021-03-30 一种带转速表及指针显示的手持搅拌机 WO2022198691A1 (zh)

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