WO2022206042A1 - 直流电机正反转控制开关以及包括该控制开关的果汁机 - Google Patents

直流电机正反转控制开关以及包括该控制开关的果汁机 Download PDF

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Publication number
WO2022206042A1
WO2022206042A1 PCT/CN2021/139152 CN2021139152W WO2022206042A1 WO 2022206042 A1 WO2022206042 A1 WO 2022206042A1 CN 2021139152 W CN2021139152 W CN 2021139152W WO 2022206042 A1 WO2022206042 A1 WO 2022206042A1
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motor
power supply
conductive sheet
movable conductive
switch
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PCT/CN2021/139152
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English (en)
French (fr)
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何剑波
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何剑波
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Publication of WO2022206042A1 publication Critical patent/WO2022206042A1/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
    • A47J19/00—Household machines for straining foodstuffs; Household implements for mashing or straining foodstuffs
    • A47J19/02—Citrus fruit squeezers; Other fruit juice extracting devices
    • 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
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/4403—Constructional details

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  • the invention relates to a forward and reverse control switch of a DC motor and a juice machine including the control switch.
  • the existing juice machine generally includes a power supply, a DC motor, a screw and a control switch.
  • a control switch is arranged between the power supply and the DC motor.
  • the control switch is connected to the power supply and the current motor.
  • the screw is driven by the DC motor to rotate, and the ingredients are processed.
  • the control switch can only control the forward rotation of the DC motor (hereinafter referred to as: forward rotation), but cannot control the reverse rotation. It affects the use effect of the product; for example, the screw rotates in the forward direction in the press cylinder to press the fruit, and the wet part of the fruit will stick to the outer side wall of the screw and cannot be pressed, resulting in waste.
  • the purpose of the present invention is to provide a forward and reverse rotation control switch of a DC motor with a simple structure and simple operation.
  • Another object of the present invention is to provide a juice machine including a DC motor forward and reverse control switch, so as to improve the use effect of the product.
  • a forward and reverse control switch of a DC motor including a positive pole of a power supply, a negative pole of the power supply, a positive pole of a motor and a negative pole of the motor, and is characterized in that it also includes an adjustment component, and the adjustment component is provided with a first movable conductive sheet and a second movable conductive sheet sheet, the adjustment component drives the first movable conductive sheet and the second movable conductive sheet to move, so as to switch to the forward rotation state or the reverse rotation state;
  • the forward rotation state the positive pole of the power supply and the positive pole of the motor are respectively offset with the first movable conductive sheet, and the negative electrode of the power supply and the negative electrode of the motor are respectively offset with the second movable conductive sheet;
  • the above-mentioned DC motor forward and reverse control switch is set by setting the positive pole of the power supply, the negative pole of the power supply, the positive pole of the motor and the negative pole of the motor, namely: two sets of electrodes (two poles of the power supply and two poles of the motor), and the movement of the above-mentioned two sets of electrodes is adjusted between the two sets of electrodes to drive the second pole.
  • a movable conductive sheet and a second movable conductive sheet are respectively connected to the corresponding electrodes to switch to the motor forward rotation state or the motor reverse rotation state.
  • the adjustment component drives the first movable conductive sheet and the second movable conductive sheet to move, and also includes switching to the disconnected state: the positive power supply, the negative power supply, the positive electrode of the motor and the negative electrode of the motor are respectively connected with the first movable conductive sheet. There is a gap with the second movable conductive sheet; the disconnected state can make the motor power off, so as to prevent the electrodes from being energized for a long time, resulting in potential safety hazards.
  • the casing is provided with a positive pole of the power supply, a negative pole of the power supply, a positive pole of the motor and a negative pole of the motor, the positive pole of the motor is arranged on one side of the positive pole of the power supply and the negative pole of the power supply, and the negative pole of the motor is arranged on the positive pole of the power supply and the negative pole of the power supply.
  • the other side of the negative pole; the positive pole of the motor and the negative pole of the motor are set on both sides of the two poles of the power supply (the positive pole of the power supply and the negative pole of the power supply), so that the structure between the accessories can be more compact.
  • the first movable conductive sheet and the second movable conductive sheet It is easier to connect with the corresponding electrodes in order to switch to the desired state.
  • the positive pole of the power supply and the negative pole of the power supply are arranged opposite to each other, and the positive pole of the motor and the negative pole of the motor are arranged opposite to each other, which is more reasonable and compact in structure.
  • the positive pole of the power supply, the negative pole of the motor, the negative pole of the power supply and the positive pole of the motor are all conductive metal shrapnel, and they are arranged in a circular shape and are arranged in the housing in an evenly spaced manner, so that the first movable conductive piece and the second movable conductive piece are The contact between the conductive sheet and the metal dome will be tighter.
  • the positive pole of the power supply, the negative pole of the motor, the negative pole of the power supply and the positive pole of the motor are all metal shrapnel of the same shape and size, each metal shrapnel is provided with an arc-shaped abutting tail section, and there is a space between the adjacent arc-shaped abutting tail sections. There are gaps and together form a circular space, the first movable conductive sheet and the second movable conductive sheet are located in the circular space and respectively abut against the corresponding arc-shaped abutting tail sections.
  • the adjustment assembly includes a switch shaft and its elastic mechanism, the inner end of the switch shaft is placed inside the positive electrode of the power supply, the negative electrode of the motor, the negative electrode of the power supply and the positive electrode of the motor in the casing, the first movable conductive sheet and the second movable
  • the conductive sheets are respectively fixed on the inner end of the switch shaft, the outer end of the switch shaft extends out of the casing, the two ends of the elastic mechanism are respectively abutted against the switch shaft and the casing, and the switch shaft rotates to drive the first movable conductive sheet and the second movable conductive sheet
  • the elastic mechanism can accurately reset the switch shaft, and the rotation of the switch shaft drives the first movable conductive sheet and the second movable conductive sheet on the inner end to rotate, thereby realizing the switching of corresponding states.
  • the inner end of the switch rotating shaft is in the shape of a plum blossom, and the first movable conductive sheet and the second movable conducting sheet are respectively clamped on the inner end of the plum blossom-shaped switch rotating shaft;
  • the negative pole, the negative pole of the power supply and the positive pole of the motor are easily clamped, which is equivalent to switching to the corresponding gear, which greatly facilitates the use of the user.
  • first movable conductive sheet and the second movable conductive sheet are both arc-shaped metal sheets, and the first movable conductive sheet and the second movable conductive sheet are arranged opposite to each other, and the arc-shaped metal sheet includes The arc-shaped bottom sheet and the hooks arranged on both sides of the arc-shaped bottom sheet and extending upward, the arc-shaped bottom sheet is closely attached to the bottom surface of the inner end of the switch shaft, and the hooks on both sides are clamped on the top surface of the inner end of the switch shaft, so that the The two arc-shaped metal sheets are firmly fixed on the inner end of the switch shaft to avoid poor contact caused by loose arc-shaped metal sheets.
  • a clamping slot is opened on the outer side wall of the inner end of the quincunx-shaped switch rotating shaft, the clamping hook is embedded in the clamping groove, and the upper end of the clamping hook extends upward out of the clamping groove, and is clamped on the switch rotating shaft.
  • the connection between the first movable conductive sheet and the second movable conductive sheet is firmer, and the clamping of each electrode is more stable.
  • the shell includes an upper shell and a lower shell, and the upper shell and the lower shell are covered and fixed with each other to form a shell with an internal cavity, the positive pole of the power supply, the negative pole of the motor, the negative pole of the power supply, the positive pole of the motor, Both the first movable conductive sheet and the second movable conductive sheet are arranged in the inner cavity of the casing; the whole structure is reasonable and compact.
  • a juice machine including the above-mentioned DC motor forward and reverse control switch, including a DC power supply and a motor, characterized in that the positive output terminal and the negative output terminal of the DC power supply are respectively connected The positive pole of the power supply and the negative pole of the power supply, the positive and negative input terminals of the motor are respectively connected to the positive pole of the motor and the negative pole of the motor; a DC motor forward and reverse control switch is added on the juice machine, and the user can realize the forward and reverse state by adjusting the components.
  • the switching between the rotating states greatly improves the use effect of the product; for example, the screw rotates in the forward direction in the press cylinder to press the fruit, and the wet part of the fruit will stick to the outer wall of the screw.
  • Control the switch to reverse the motor so that the screw is reversed, and part of the food pasted on the screw is thrown out, so that when the screw is reversing, it can be processed, avoiding waste, and easy to operate.
  • This type of DC motor forward and reverse control switch by setting the positive pole of the power supply, the negative pole of the power supply, the positive pole of the motor and the negative pole of the motor, that is: two sets of electrodes (two poles of the power supply and two poles of the motor), between the above two sets of electrodes by adjusting the component Move, drive the first movable conductive sheet and the second movable conductive sheet to connect to the corresponding electrodes respectively, and switch to the motor forward rotation state or the motor reverse rotation state, the structure is simple, and the adjustment component is easy to operate.
  • the rotation of the switch shaft drives the first movable conductive sheet and the second movable conductive sheet to rotate; the elastic mechanism can make the switch shaft reset accurately, and the rotation of the switch shaft drives the first movable conductive sheet and the second movable conductive sheet on the inner end.
  • the conductive sheet rotates, and it is easy to switch the corresponding state.
  • the first movable conductive sheet and the second movable conductive sheet are both arc-shaped metal sheets, and the two arc-shaped metal sheets are set back to each other, and the two arc-shaped metal sheets are firmly fixed on the inner end of the switch shaft to avoid the arc-shaped metal sheet.
  • the loose metal sheet causes poor contact; moreover, there is a clamping slot on the outer side wall of the inner end of the plum blossom-shaped switch shaft, the hook is embedded in the clamping slot, and the upper end of the hook extends upwards.
  • the connection between the first movable conductive sheet and the second movable conductive sheet is firmer, and the clamping of each electrode is also more stable.
  • a DC motor forward and reverse control switch is added to the juice machine.
  • the user can realize the switch between the forward rotation state and the reverse rotation state, which greatly improves the use effect of the product; for example, the screw is in the pressing cylinder. It rotates in the forward direction and presses the fruit, and the wet part of the fruit will stick to the outer side wall of the screw.
  • the user can control the switch to reverse the motor, so that the screw is reversed, and the part of the food stuck on the screw is thrown away. out, so that the screw can be processed when the screw is reversing, avoiding waste and easy to operate.
  • FIG. 1 is a schematic diagram of a forward and reverse control switch of a DC motor according to the present invention.
  • FIG. 2 is an exploded view of FIG. 1 .
  • FIG. 3 is an enlarged view of the metal dome of FIG. 1 .
  • FIG. 4 is an enlarged view of the second movable conductive sheet of FIG. 1 .
  • FIG. 5 is a schematic diagram of the forward and reverse rotation control switch of the DC motor according to the present invention being switched to the forward rotation state.
  • FIG. 6 is a schematic diagram of the forward and reverse rotation control switch of the DC motor of the present invention being switched to a reverse rotation state.
  • FIG. 7 is a schematic diagram of the forward and reverse rotation control switch of the DC motor of the present invention being switched to an off state.
  • a DC motor forward and reverse control switch includes a housing, and an adjustment assembly 5 , a power supply positive pole 1 , a power supply negative pole 2 , a motor positive pole 3 and a motor negative pole 4 arranged in the housing 8 .
  • the positive electrode 3 of the motor is arranged on one side of the positive electrode 1 and the negative electrode 2 of the power supply
  • the negative electrode 4 of the motor is arranged on the other side of the positive electrode 1 and the negative electrode 2 of the power supply
  • the adjusting component 5 is provided with a first movable conductive sheet 6 and the second movable conductive sheet 7, the adjustment assembly 5 drives the first movable conductive sheet 6 and the second movable conductive sheet to move 7, so as to switch to the forward rotation state A or the reversed state B or the disconnected state C;
  • Forward rotation state A the positive electrode 1 of the power supply and the positive electrode 3 of the motor are respectively offset with the first movable conductive sheet 6, and the negative electrode 2 of the power supply and the negative electrode 4 of the motor are respectively offset with the second movable conductive sheet 7;
  • Inversion state B the positive electrode 1 of the power supply and the negative electrode 4 of the motor are respectively offset with the first movable conductive sheet 6, and the negative electrode 2 of the power supply and the positive electrode 3 of the motor are respectively offset with the second movable conductive sheet 7;
  • Disconnected state C the positive electrode 1 of the power supply, the negative electrode 2 of the power supply, the positive electrode 3 of the motor and the negative electrode 4 of the motor have a gap with the first movable conductive sheet 6 and the second movable conductive sheet 7 respectively.
  • the positive electrode 1 of the power supply, the negative electrode 4 of the motor, the negative electrode 2 of the power supply and the positive electrode 3 of the motor are all conductive metal elastic pieces of the same shape and size, which are arranged in a circular shape and are arranged in the housing 8 in an evenly spaced manner , wherein, the positive pole 1 of the power supply and the negative pole 2 of the power supply are arranged opposite to each other, the positive pole 3 of the motor and the negative pole 4 of the motor are arranged opposite to each other, and each metal shrapnel is provided with an arc-shaped abutting tail section 9, and each adjacent arc-shaped There is a gap between the abutting tail sections 9, which together form a circular space 10.
  • the first movable conductive sheet 6 and the second movable conductive sheet 7 are located in the circular space 10 and are respectively abutted with the corresponding arc-shaped tail sections. 9 equals.
  • the adjustment assembly 5 includes a switch shaft 51 and an elastic mechanism 52 thereof.
  • the inner end of the switch shaft 51 is placed in the housing 8 between the positive pole 1 of the power supply, the negative pole 4 of the motor, the negative pole 2 of the power supply and the positive pole 3 of the motor.
  • the first movable conductive sheet 6 and the second movable conductive sheet 7 are respectively fixed on the inner end of the switch shaft 51, the outer end of the switch shaft 51 extends out of the housing 8, and the two ends of the elastic mechanism 52 are respectively connected to the inner end of the switch shaft 51.
  • the switch shaft 51 is in contact with the housing 8, and the rotation of the switch shaft drives the first movable conductive sheet and the second movable conductive sheet to rotate.
  • the inner end 51 of the switch shaft is in a plum blossom shape, and the first movable conductive sheet 6 and the second movable conductive sheet 7 are respectively clamped on the inner end of the plum blossom shaped switch shaft 51 .
  • the first movable conductive sheet 6 and the second movable conductive sheet 7 are both arc-shaped metal sheets, and the first movable conductive sheet 6 and the second movable conductive sheet 7 are arranged opposite to each other,
  • the arc-shaped metal sheet includes an arc-shaped bottom sheet 21 and hooks 22 arranged on both sides of the arc-shaped bottom sheet and extending upward. It is clamped on the top surface of the inner end of the switch shaft 51 .
  • the outer side wall of the inner end of the quincunx-shaped switch shaft 51 is provided with a clamping groove 500
  • the clamping hook 22 is embedded in the clamping groove 500
  • the upper end of the clamping hook 22 extends upward out of the clamping groove 500, and It is clamped on the top surface of the switch shaft 51 .
  • the casing 8 includes an upper casing 81 and a lower casing 82.
  • the upper casing 81 and the lower casing 82 are fixed to each other to form a casing 8 with an internal cavity.
  • the negative electrode 2 , the positive electrode 3 of the motor, the first movable conductive sheet 6 and the second movable conductive sheet 7 are all arranged in the inner cavity of the casing 8 .
  • a juice machine which includes a DC motor forward and reverse control switch, a DC power supply and a motor, and is characterized in that the positive output end and the negative output end of the DC power supply are respectively connected to the positive electrode 1 of the power supply and the negative electrode 2 of the power supply.
  • the positive input terminal and the negative input terminal are respectively connected to the positive pole 3 of the motor and the negative pole 4 of the motor; this juice machine, through the DC motor forward and reverse control switch, can make the motor work in the forward or reverse state, which greatly improves the use effect of the product .

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Motor And Converter Starters (AREA)
  • Food-Manufacturing Devices (AREA)

Abstract

一种直流电机正反转控制开关，包括电源正极（1）、电源负极（2）、电机正极（3）和电机负极（4），还包括有调节组件（5），调节组件（5）上设置有第一活动导电片（6）和第二活动导电片（7），调节组件（5）带动第一活动导电片（6）和第二活动导电片活动（7），以便切换至正转状态（A）或反转状态（B）；直流电机正反转控制开关，通过设置电源正极（1）、电源负极（2）、电机正极（3）和电机负极（4），即两组电极，上述两组电极之间通过调节组件（5）的活动，带动第一活动导电片（6）和第二活动导电片（7）分别接通对应的电极，切换至电机正转状态（A）或电机反转状态（B），其结构简单，而且调节组件（5）活动操作简易；还公开了一种包括直流电机正反转控制开关的果汁机，该果汁机明显提升产品的使用效果。

Description

直流电机正反转控制开关以及包括该控制开关的果汁机 技术领域
本发明涉及一种直流电机正反转控制开关以及包括该控制开关的果汁机。
背景技术
现有的果汁机中，一般包括有电源、直流电机、螺杆和控制开关，电源与直流电机之间设置有控制开关，控制开关接通电源与电流电机，螺杆被直流电机带动旋转，对食材进行加工处理；但是，上述果汁机由于使用直流电机，且电源与直流电机的连接固定，因此，控制开关只能控制直流电机正向旋转(以下简称：正转)，不能控制反向旋转，一定程度上影响了产品的使用效果；如：螺杆在压榨筒内正向旋转工作，对果粒进行压榨，湿润的部分果粒会粘贴在螺杆的外侧壁上，无法被压榨，造成浪费。
发明内容
本发明的目的在于提供一种结构简单且操作简易的直流电机正反转控制开关。
本发明的另一目的还在于提供一种包括直流电机正反转控制开关的果汁机，以提升产品的使用效果。
本发明的目的是这样实现的：
一种直流电机正反转控制开关，包括电源正极、电源负极、电机正极和电机负极，其特征是，还包括有调节组件，所述调节组件上设置有第一活动导电片和第二活动导电片，调节组件带动第一活动导电片和第二活动导电片活动，以便切换至正转状态或反转状态；
所述正转状态：电源正极和电机正极分别与第一活动导电片相抵，电源负极和电机负极分别与第二活动导电片相抵；
所述反转状态：电源正极和电机负极分别与第一活动导电片相抵，电源负极和电机正极分别与第二活动导电片相抵；
上述直流电机正反转控制开关，通过设置电源正极、电源负极、电机正极和电机负极，即：两组电极(电源两极和电机两极)，上述两组电极之间通过调节组件的活动，带动第一活动导电片和第二活动导电片分别接通对应的电极，切换至电机正转状态或电机反转状态，其结构简单，而且调节组件活动操作简易。
本发明的目的还可以采用以下技术方案：
进一步地，所述调节组件带动第一活动导电片和第二活动导电片活动，还包括有切换至断开状态：所述电源正极、电源负极、电机正极和电机负极分别与第一活动导电片和第二活 动导电片存有间隙；断开状态可使电机断电，避免各电极长时间通电，造成安全隐患。
进一步地，还包括有壳体，所述壳体内设置有电源正极、电源负极、电机正极和电机负极，所述电机正极设置在电源正极和电源负极的一侧，电机负极设置在电源正极和电源负极的另一侧；将电机正极和电机负极各设在电源两极(电源正极与电源负极)两侧，这样可使各配件之间的结构更紧凑，第一活动导电片和第二活动导电片更容易与对应的电极连接，以便切换到所需要状态。
进一步地，所述电源正极和电源负极之间为相向设置，所述电机正极和电机负极之间为相向设置，这样的结构更合理，结构更紧凑。
进一步地，所述电源正极、电机负极、电源负极和电机正极均为导电的金属弹片，它们按圆周状排列、并以间隔均等方式设置在壳体内，以使第一活动导电片和第二活动导电片与金属弹片的接触会更紧密。
进一步地，所述电源正极、电机负极、电源负极和电机正极均为形状和大小相同的金属弹片，各金属弹片上设置有弧形抵接尾段，相邻的各弧形抵接尾段之间存有间隙、共同围成圆形空间，所述第一活动导电片和第二活动导电片位于圆形空间内、且分别与对应的弧形抵接尾段相抵。
进一步地，所述调节组件包括开关转轴及其弹性机构，开关转轴的内端置于壳体内的电源正极、电机负极、电源负极和电机正极的内侧，所述第一活动导电片和第二活动导电片分别固定在开关转轴的内端，开关转轴的外端延伸出壳体外，所述弹性机构的两端分别与开关转轴和外壳相抵，开关转轴旋转带动第一活动导电片和第二活动导电片旋转；弹性机构可使开关转轴复位准确，而且，开关转轴旋转带动内端上的第一活动导电片和第二活动导电片旋转，从而实现对应状态的切换。
进一步地，所述开关转轴的内端呈梅花状，第一活动导电片和第二活动导电片分别卡固在梅花状的开关转轴内端；梅花状的开关转轴内端，方便电源正极、电机负极、电源负极和电机正极容易卡置，相当于切换至对应状态的档位，大大方便了用户的使用。
进一步地，所述第一活动导电片和第二活动导电片均为弧形金属片，所述第一活动导电片和第二活动导电片之间为背向设置，所述弧形金属片包括弧形底片以及设置在弧形底片两侧、且向上延伸的卡钩，所述弧形底片紧贴在开关转轴内端的底面，两侧的卡钩卡置在开关转轴内端的顶面，以使两弧形金属片牢固在开关转轴的内端，避免因弧形金属片松动造成接触不良。
进一步地，所述梅花状的开关转轴内端的外侧壁上开有卡置槽，所述卡钩嵌入所 述卡置槽内、且卡钩上端向上延伸出卡置槽、并卡置在开关转轴的顶面；第一活动导电片和第二活动导电片的连接更牢固，也使各电极卡置更稳定。
进一步地，所述外壳包括上壳和下壳，所述上壳和下壳相互盖合固定，以构成带有内部容腔的壳体，所述电源正极、电机负极、电源负极、电机正极、第一活动导电片和第二活动导电片均设置在壳体的内部容腔；其整个结构合理，紧凑。
本发明的另一目的是这样实现的：一种包括上述直流电机正反转控制开关的果汁机，包括直流电源和电机，其特征是，所述直流电源的正极输出端和负极输出端分别连接电源正极和电源负极，所述电机的正极输入端和负极输入端分别连接电机正极和电机负极；在果汁机上增设直流电机正反转控制开关，用户通过调节组件，即可实现正转状态和反转状态之间的切换，大大提升了产品的使用效果；如：螺杆在压榨筒内正向旋转工作，对果粒进行压榨，湿润的部分果粒会粘贴在螺杆的外侧壁上，用户可通过控制开关，使电机反转，从而使螺杆反转，将粘贴在螺杆上部分食物甩出，以便螺杆重新正反转时，被加工处理，避免造成浪费，且操作简易。
本发明具有以下有益效果：
(1)此款直流电机正反转控制开关，通过设置电源正极、电源负极、电机正极和电机负极，即：两组电极(电源两极和电机两极)，上述两组电极之间通过调节组件的活动，带动第一活动导电片和第二活动导电片分别接通对应的电极，切换至电机正转状态或电机反转状态，其结构简单，而且调节组件活动操作简易。
(2)其次，开关转轴旋转带动第一活动导电片和第二活动导电片旋转；弹性机构可使开关转轴复位准确，而且，开关转轴旋转带动内端上的第一活动导电片和第二活动导电片旋转，容易实现对应状态的切换。
(3)再有，第一活动导电片和第二活动导电片均为弧形金属片，它们之间为背向设置，且两弧形金属片牢固在开关转轴的内端，避免因弧形金属片松动造成接触不良；而且，梅花状的开关转轴内端的外侧壁上开有卡置槽，所述卡钩嵌入所述卡置槽内、且卡钩上端向上延伸出卡置槽、并卡置在开关转轴的顶面，第一活动导电片和第二活动导电片的连接更牢固，也使各电极卡置更稳定。
(4)在果汁机上增设直流电机正反转控制开关，用户通过调节组件，即可实现正转状态和反转状态之间的切换，大大提升了产品的使用效果；如：螺杆在压榨筒内正向旋转工作，对果粒进行压榨，湿润的部分果粒会粘贴在螺杆的外侧壁上，用户可通过控制开关，使电机反转，从而使螺杆反转，将粘贴在螺杆上部分食物甩出，以便螺杆重新正反转时，被加 工处理，避免造成浪费，且操作简易。
附图说明
图1是本发明的直流电机正反转控制开关示意图。
图2是图1的分拆图。
图3是图1的金属弹片放大图。
图4是图1的第二活动导电片放大图。
图5是本发明的直流电机正反转控制开关切换至正转状态示意图。
图6是本发明的直流电机正反转控制开关切换至反转状态示意图。
图7是本发明的直流电机正反转控制开关切换至断开状态示意图。
具体实施方式
下面结合附图及实施例对本发明作进一步描述：
如图1至图7所示，一种直流电机正反转控制开关，包括壳体，以及设置在壳体8内的调节组件5、电源正极1、电源负极2、电机正极3和电机负极4，所述电机正极3设置在电源正极1和电源负极2的一侧，电机负极4设置在电源正极1和电源负极2的另一侧，所述调节组件5上设置有第一活动导电片6和第二活动导电片7，调节组件5带动第一活动导电片6和第二活动导电片活动7，以便切换至正转状态A或反转状态B或断开状态C；
正转状态A：电源正极1和电机正极3分别与第一活动导电片6相抵，电源负极2和电机负极4分别与第二活动导电片7相抵；
反转状态B：电源正极1和电机负极4分别与第一活动导电片6相抵，电源负极2和电机正极3分别与第二活动导电片7相抵；
断开状态C：所述电源正极1、电源负极2、电机正极3和电机负极4分别与第一活动导电片6和第二活动导电片7存有间隙。
本实施例中，所述电源正极1、电机负极4、电源负极2和电机正极3均为形状和大小相同的导电金属弹片，它们按圆周状排列、并以间隔均等方式设置在壳体8内，其中，电源正极1和电源负极2之间为相向设置，所述电机正极3和电机负极4之间为相向设置，各金属弹片上设置有弧形抵接尾段9，相邻的各弧形抵接尾段9之间存有间隙、共同围成圆形空间10，所述第一活动导电片6和第二活动导电片7位于圆形空间10内、且分别与对应的弧形抵接尾段9相抵。
图2中所示，所述调节组件5包括开关转轴51及其弹性机构52，开关转轴51的内端置于壳体8内的电源正极1、电机负极4、电源负极2和电机正极3的内侧，所述第一活 动导电片6和第二活动导电片7分别固定在开关转轴51的内端，开关转轴51的外端延伸出壳体8外，所述弹性机构52的两端分别与开关转轴51和外壳8相抵，开关转轴旋转带动第一活动导电片和第二活动导电片旋转。
其中，所述开关转轴的51内端呈梅花状，第一活动导电片6和第二活动导电片7分别卡固在梅花状的开关转轴51内端。
作为更具体的方案，所述第一活动导电片6和第二活动导电片7均为弧形金属片，所述第一活动导电片6和第二活动导电片7之间为背向设置，所述弧形金属片包括弧形底片21以及设置在弧形底片两侧、且向上延伸的卡钩22，所述弧形底片21紧贴在开关转轴51内端的底面，两侧的卡钩22卡置在开关转轴51内端的顶面。
其中，所述梅花状的开关转轴51内端的外侧壁上开有卡置槽500，所述卡钩22嵌入所述卡置槽500内、且卡钩22上端向上延伸出卡置槽500、并卡置在开关转轴51的顶面。所述外壳8包括上壳81和下壳82，所述上壳81和下壳82相互盖合固定，以构成带有内部容腔的壳体8，所述电源正极1、电机负极4、电源负极2、电机正极3、第一活动导电片6和第二活动导电片7均设置在壳体8的内部容腔。
工作原理：旋转开关转轴51，带动第一活动导电片6和第二活动导电片7旋转，当电源正极1和电机正极3分别与第一活动导电片6相抵，电源负极2和电机负极4分别与第二活动导电片7相抵，这时四个电极(即：金属弹片分别卡置在对应的卡置槽500上)，此时处于正转状态(档位)，电机正转工作，见图5所示；
再旋转开关转轴51，带动第一活动导电片6和第二活动导电片7旋转，当电源正极1和电机负极4分别与第一活动导电片6相抵，电源负极2和电机正极3分别与第二活动导电片7相抵，这时四个电极(即：金属弹片分别卡置在另一对应卡置槽500上)，此时处于反转状态(档位)，电机反转工作，见图6所示；
再旋转开关转轴51，带动第一活动导电片6和第二活动导电片7旋转，当电源正极1、电源负极2、电机正极3和电机负极4分别与第一活动导电片6和第二活动导电片7存有间隙，这时四个电极(即：金属弹片分别卡置在另一对应卡置槽500上)，此时处于断开状态(档位)，电机断电停止工作，见图7所示。
一种果汁机，它包括直流电机正反转控制开关、直流电源和电机，其特征是，所述直流电源的正极输出端和负极输出端分别连接电源正极1和电源负极2，所述电机的正极输入端和负极输入端分别连接电机正极3和电机负极4；这种果汁机，通过直流电机正反转控制开关，可使电机正转状态或反转状态工作，大大提升了产品的使用效果。

Claims (12)

  1. 一种直流电机正反转控制开关，包括电源正极(1)、电源负极(2)、电机正极(3)和电机负极(4)，其特征是，还包括有调节组件(5)，所述调节组件(5)上设置有第一活动导电片(6)和第二活动导电片(7)，调节组件(5)带动第一活动导电片(6)和第二活动导电片活动(7)，以便切换至正转状态(A)或反转状态(B)；
    所述正转状态(A)：电源正极(1)和电机正极(3)分别与第一活动导电片(6)相抵，电源负极(2)和电机负极(4)分别与第二活动导电片(7)相抵；
    所述反转状态(B)：电源正极(1)和电机负极(4)分别与第一活动导电片(6)相抵，电源负极(2)和电机正极(3)分别与第二活动导电片(7)相抵。
  2. 根据权利要求1所述直流电机正反转控制开关，其特征是，所述调节组件(5)带动第一活动导电片(6)和第二活动导电片(7)活动，还包括有切换至断开状态(C)：所述电源正极(1)、电源负极(2)、电机正极(3)和电机负极(4)分别与第一活动导电片(6)和第二活动导电片(7)存有间隙。
  3. 根据权利要求1所述直流电机正反转控制开关，其特征是，还包括有壳体(8)，所述壳体(8)内设置有电源正极(1)、电源负极(2)、电机正极(3)和电机负极(4)，所述电机正极(3)设置在电源正极(1)和电源负极(2)的一侧，电机负极(4)设置在电源正极(1)和电源负极(2)的另一侧。
  4. 根据权利要求3所述直流电机正反转控制开关，其特征是，所述电源正极(1)和电源负极(2)之间为相向设置，所述电机正极(3)和电机负极(4)之间为相向设置。
  5. 根据权利要求4所述直流电机正反转控制开关，其特征是，所述电源正极(1)、电机负极(4)、电源负极(2)和电机正极(3)均为导电的金属弹片，它们按圆周状排列、并以间隔均等方式设置在壳体(8)内。
  6. 根据权利要求4所述直流电机正反转控制开关，其特征是，所述电源正极(1)、电机负极(4)、电源负极(2)和电机正极(3)均为形状和大小相同的金属弹片，各金属弹片上设置有弧形抵接尾段(9)，相邻的各弧形抵接尾段(9)之间存有间隙、共同围成圆形空间(10)，所述第一活动导电片(6)和第二活动导电片(7)位于圆形空间(10)内、且分别与对应的弧形抵接尾段(9)相抵。
  7. 根据权利要求1-6任一所述直流电机正反转控制开关，其特征是，所述调节组件(5)包括开关转轴(51)及其弹性机构(52)，开关转轴(51)的内端置于壳体(8)内的电源正极(1)、电机负极(4)、电源负极(2)和电机正极(3)的内侧，所述第一活动导电片(6)和第二活动导电片(7)分别固定在开关转轴(51)的内端，开关转轴(51)的外端延伸出 壳体(8)，外所述弹性机构(52)的两端分别与开关转轴(51)和外壳(8)相抵，开关转轴旋转带动第一活动导电片和第二活动导电片旋转。
  8. 根据权利要求7所述直流电机正反转控制开关，其特征是，所述开关转轴的(51)内端呈梅花状，第一活动导电片(6)和第二活动导电片(7)分别卡固在梅花状的开关转轴(51)内端。
  9. 根据权利要求8所述直流电机正反转控制开关，其特征是，所述第一活动导电片(6)和第二活动导电片(7)均为弧形金属片，所述第一活动导电片(6)和第二活动导电片(7)之间为背向设置，所述弧形金属片包括弧形底片(21)以及设置在弧形底片两侧、且向上延伸的卡钩(22)，所述弧形底片(21)紧贴在开关转轴(51)内端的底面，两侧的卡钩(22)卡置在开关转轴(51)内端的顶面。
  10. 根据权利要求9所述直流电机正反转控制开关，其特征是，所述梅花状的开关转轴(51)内端的外侧壁上开有卡置槽(500)，所述卡钩(22)嵌入所述卡置槽(500)内、且卡钩(22)上端向上延伸出卡置槽(500)、并卡置在开关转轴(51)的顶面。
  11. 根据权利要求1所述直流电机正反转控制开关，其特征是，所述外壳(8)包括上壳(81)和下壳(82)，所述上壳(81)和下壳(82)相互盖合固定，以构成带有内部容腔的壳体(8)，所述电源正极(1)、电机负极(4)、电源负极(2)、电机正极(3)、第一活动导电片(6)和第二活动导电片(7)均设置在壳体(8)的内部容腔。
  12. 一种包括权利要求1-6任一所述直流电机正反转控制开关的果汁机，包括直流电源和电机，其特征是，所述直流电源的正极输出端和负极输出端分别连接电源正极(1)和电源负极(2)，所述电机的正极输入端和负极输入端分别连接电机正极(3)和电机负极(4)。
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