WO2015135271A1 - 一种咖啡酿造器 - Google Patents

一种咖啡酿造器 Download PDF

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Publication number
WO2015135271A1
WO2015135271A1 PCT/CN2014/082183 CN2014082183W WO2015135271A1 WO 2015135271 A1 WO2015135271 A1 WO 2015135271A1 CN 2014082183 W CN2014082183 W CN 2014082183W WO 2015135271 A1 WO2015135271 A1 WO 2015135271A1
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WO
WIPO (PCT)
Prior art keywords
brewing
assembly
outer casing
screw
cam
Prior art date
Application number
PCT/CN2014/082183
Other languages
English (en)
French (fr)
Inventor
吴道玉
廖光荣
雷淼
Original Assignee
广州极诺电器有限公司
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 广州极诺电器有限公司 filed Critical 广州极诺电器有限公司
Publication of WO2015135271A1 publication Critical patent/WO2015135271A1/zh

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Classifications

    • 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
    • A47J31/24—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure
    • A47J31/34—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure
    • A47J31/36—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means
    • A47J31/3604—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means with a mechanism arranged to move the brewing chamber between loading, infusing and ejecting stations
    • A47J31/3609—Loose coffee being employed
    • A47J31/3619—Means to remove coffee after brewing
    • 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
    • A47J31/24—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure
    • A47J31/34—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure
    • A47J31/36—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means
    • A47J31/3604—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means with a mechanism arranged to move the brewing chamber between loading, infusing and ejecting stations
    • A47J31/3609—Loose coffee being employed
    • A47J31/3614—Means to perform transfer from a loading position to an infusing position

Definitions

  • the utility model relates to a coffee brewer, in particular to a coffee brewer with small pollution, simple structure and capable of brewing high quality coffee.
  • the brewing of coffee includes several processes of adding powder, pressing cake, brewing and cleaning.
  • the grinder grinds the coffee beans into coffee powder, the coffee powder is put into the brewer, and is pressed into a powder cake by a certain pressure, and then the high temperature and high pressure The water passes through the coffee powder cake, extracts the coffee fat and other substances, and merges with the hot water to form coffee.
  • the scraper and the brewing component are assembled together, and after brewing the coffee, the brewing component is moved together to scrape the coffee cake from the brewing cavity of the brewer, so as to make room for the brewing cavity. Add coffee powder to prepare for the next brewing, so the scraper is easy to transfer the pollution to more areas;
  • the upper end of the brewing chamber is not sealed during the brewing process, so the coffee powder or coffee liquid is easily splashed outside the brewing chamber, causing pollution;
  • the transmission part in the brewing lower assembly and brewing assembly uses multiple motors, multiple gears and multiple sensors for transmission and control, complex structure, high manufacturing cost but reliability not tall;
  • the brewed coffee is not heated or heated by electric resistance wire.
  • the method of heating is not high because of the temperature loss.
  • the heating method of the electric resistance wire needs to be added with temperature control to avoid overheating.
  • the control structure is complicated and the cost is high.
  • the object of the present invention is to provide a coffee brewer which is small in pollution, compact in structure and capable of brewing high quality coffee in order to solve the above problems.
  • a coffee brewer comprising a power plant and a brewing device, the brewing device comprising a brewing upper assembly, a brewing lower assembly, a lower bracket and a scraping cake, the brewing lower assembly comprising a brewing cavity, the brewing lower assembly further comprising Brewing the outer casing and the stationary shaft in a vertical direction, the brewing outer casing comprising a large outer casing and a small outer casing fixedly connected and juxtaposed, the brewing cavity being fixed in a large outer casing of the brewing outer casing, the small outer casing of the brewing outer casing Forming on the fixed shaft by a bearing, the brewing shell can drive the brewing chamber to rotate around the fixed shaft to place the brewing chamber in a brewing position or a feeding position; the scraping piece is mounted on the The shell of the upper assembly is placed over the brewing chamber and adjacent the upper end of the brewing chamber.
  • the brewing shell organically integrates the brewing cavity and the fixed shaft into a rotating structure, so that the brewing chamber can be rotated around the fixed shaft to be in the brewing position or the feeding position, and the scraping cake piece is fixedly connected with the shell of the brewing upper assembly, and is changed.
  • the scraping method of the conventional moving scraper (corresponding to the scraping blade of the present invention) ensures that the contamination does not spread with the scraper.
  • the brewing upper assembly includes a cam, an upper bracket, and a mounting bracket a small driving gear, a guide wheel and a shaft, the small driving gear is driven by a rotating electric machine of the power unit, the small driving gear meshes with the guiding wheel, and the cam passes the shaft and the guiding wheel
  • the fixed connection is provided with a cam protrusion on the cam
  • the brewing shell is provided with a casing protrusion that cooperates with the cam protrusion.
  • the structure in which the cam lug and the outer casing lug cooperate with each other is a conventional structure, and the forward and reverse movement of the rotary electric motor drives the forward and reverse movement of the cam lug, and the outer casing lug is generally a plurality of blocks, and the cam lug moves in the forward and reverse directions.
  • the casing protrusions are respectively driven to drive the brewing shell and the brewing chamber to rotate in the forward or reverse direction to achieve different positioning of the brewing chamber.
  • the brewing assembly further includes an upper brewing head assembly, the upper brewing head assembly including an upper screw, an upper sealing head and an upper screw gear, the upper screw being mounted on the upper bracket and capable of axial movement a circumferential inner tooth of the upper screw gear is disposed on the upper screw, an outer tooth of the upper screw gear meshes with the guide wheel, and the upper sealing head is mounted at a lower end of the upper screw and is used for sealing The upper end of the brewing chamber in the brewing position.
  • the upper brewing head assembly including an upper screw, an upper sealing head and an upper screw gear, the upper screw being mounted on the upper bracket and capable of axial movement a circumferential inner tooth of the upper screw gear is disposed on the upper screw, an outer tooth of the upper screw gear meshes with the guide wheel, and the upper sealing head is mounted at a lower end of the upper screw and is used for sealing The upper end of the brewing chamber in the brewing position.
  • the cooperation of the upper screw and the upper screw gear converts the rotary motion of the upper screw gear into a linear motion of the upper screw, so that when the brewing chamber is in the brewing position, the upper sealing head can automatically descend to seal the upper end of the brewing chamber. There will be no coffee powder or coffee liquid splashing during the brewing process.
  • the housing of the power unit is provided with a photoelectric sensor, and the photoelectric sensor is located beside the cam and is used for monitoring the operating state of the cam.
  • the brewing assembly further includes a driving gear
  • the brewing lower assembly further comprising a driving pinion, a lower screw gear, a lower screw and a lower sealing head
  • the driving gear is driven by the extrusion motor of the power device
  • the driving gear meshes with the transmission pinion
  • the transmission pinion meshes with an external tooth of the lower screw gear
  • a circumferential inner tooth of the lower screw gear is fitted on the lower screw
  • the lower sealing head is mounted on an upper end of the lower screw and is used to be at The coffee cake in the brewing chamber at the feed location is extruded.
  • the above-mentioned components together constitute a squeeze cake mechanism, which realizes the function of extruding the coffee cake into the brewing cavity.
  • a gear box cover is provided on the outside of the transmission pinion and the lower screw gear.
  • a PTC constant temperature heating sheet is disposed at a position outside the brewing chamber in the large outer casing of the brewing casing.
  • the PTC constant temperature heating piece is a PTC thermistor, which has a constant temperature heating characteristic.
  • the principle is that the PTC thermistor is heated by self-heating to make the resistance value enter the transition zone, and the surface temperature of the constant temperature heating PTC thermistor will maintain a constant value.
  • This temperature is only related to the Curie temperature and applied voltage of the PTC thermistor, and is basically independent of the ambient temperature. Therefore, the PTC constant temperature heating sheet does not use other constant temperature control systems, and has a simple structure and good temperature control effect.
  • the scraping cake piece and the brewing upper component are fixedly connected, and after brewing the coffee, the brewing cavity in the brewing lower part is rotated, and the coffee cake is scraped off by the fixed scraping scraping piece, so no scraping piece is scraped. Moving to transfer pollution to more areas reduces pollution;
  • the upper end of the brewing chamber can be automatically sealed during the brewing process, so the coffee powder or coffee liquid does not splash outside the brewing chamber, which significantly reduces the pollution;
  • the motor part of the brewing lower assembly and the brewing upper assembly adopts two motors and multiple Gears and a sensor for transmission and control, reduced manufacturing costs and high reliability;
  • the brewed coffee is heated by PTC constant temperature heating sheet, which has simple structure, good temperature control effect and low cost.
  • Figure 1 is a perspective view of the coffee brewer of the present invention
  • Figure 2 is a perspective assembled view of the coffee brewer of the present invention
  • Figure 3 is a perspective view of the brewing device of the present invention.
  • Figure 4 is a front elevational view of the brewing lower assembly of the present invention.
  • Figure 5 is a cross-sectional view taken along line A-A of Figure 4.
  • Figure 6 is a right side view of the brewing lower assembly of the present invention.
  • Figure 7 is a cross-sectional view taken along line B-B of Figure 6;
  • Figure 8 is a perspective view showing the internal structure of the brewing device of the present invention
  • Figure 9 is a perspective view of the brewing casing of the present invention
  • Figure 10 is a perspective view of the power unit of the present invention.
  • Figure 11 is a front elevational view of the power unit of the present invention.
  • Figure 12 is a cross-sectional view taken along line C-C of Figure 11;
  • Figure 13 is a perspective view of the coffee brewer of the present invention, which is different from Figure 1;
  • Figure 14 is a perspective view showing the internal structure of the brewing device of the present invention, which is in a feeding state;
  • Figure 15 is a third perspective view of the internal structure of the brewing device of the present invention, in a brewing state;
  • Fig. 16 is a perspective view showing the internal structure of the brewing apparatus of the present invention, in which the upper cover is removed, and the viewing angles of Figs. 8, 14, and 15 are different.
  • the coffee brewer of the present invention includes a power device 200 and a brewing device 100.
  • the brewing device 100 includes a brewing assembly 130, a brewing lower assembly 150, a lower bracket 105, and a scraping blade 104.
  • the lower assembly 150 includes a brewing cavity 151, a brewing outer casing 157, and a vertical fixed shaft 110.
  • the brewing outer casing 157 includes a large outer casing 1571 and a small outer casing 1572 that are fixedly coupled and laterally juxtaposed, and the brewing cavity 151 is fixed to the large brewing outer casing 157.
  • the small outer casing 1572 of the brewing outer casing 157 is fitted on the fixed shaft 110 through the upper bearing 162 and the lower bearing 159, and the brewing outer casing 157 can rotate the brewing cavity 151 around the fixed shaft 110 to make the brewing cavity 151 in the brewing position or Feeding position;
  • the scraping cake piece 104 is mounted on the casing of the brewing upper assembly 130 and above the brewing cavity 151 and near the upper end of the brewing cavity 151.
  • the brewing upper assembly 130 includes a cam 132, an upper bracket 131, and a small driving gear 133 mounted on the upper bracket 131, a guide pulley 134, a shaft 135, and an upper brewing head assembly.
  • the upper bracket 131 seals the transmission device in the brewing device 100
  • the small driving gear 133 is driven by the rotating motor 209 of the power unit 200
  • the small driving gear 133 is meshed with the guide wheel 134
  • the cam 132 is fixed to the guide wheel 134 through the shaft 135.
  • the cam 132 is provided with a cam protrusion (not shown), and the brewing casing 157 is provided with a casing protrusion which cooperates with the cam protrusion, and the casing protrusion includes a first casing provided on the large casing 1571. a bump 157a, a second outer casing bump provided on the small outer casing 1572 157b and the third outer casing protrusion 157c, the structure in which the cam lug and the outer housing lug cooperate with each other is a conventional structure, and the forward and reverse movement of the cam lobe is driven by the forward and reverse movement of the rotary electric machine 209, and the cam lug is positive and negative.
  • the housing protrusions are respectively driven to move, thereby driving the brewing shell 157 and the brewing chamber 151 to rotate in the forward or reverse direction to achieve different positioning of the brewing chamber 151;
  • the upper brewing head assembly 120 includes the upper screw (not shown) Marked), an upper sealing head (not labeled in the figure) and an upper screw gear 107, the upper screw is mounted on the upper bracket 131 and is axially movable, and the circumferential inner teeth of the upper screw gear 107 are set on the upper screw, and the upper screw gear 107
  • the outer teeth are engaged with a guide wheel 134 which is mounted to the lower end of the upper screw and serves to seal the upper end of the brewing chamber 151 in the brewing position.
  • the housing of the power unit 200 is provided with a photoelectric sensor 203, which is located beside the cam 132 and is used to monitor the operating state of the cam 132.
  • the brewing upper assembly 130 further includes a driving gear 109
  • the brewing lower assembly 150 further includes a first transmission pinion 161, a second transmission pinion 160, a lower screw gear 154,
  • the lower screw 155 and the lower sealing head 152 are driven by the extrusion motor 210 of the power unit 200, and the driving gear 109 meshes with the first transmission pinion 161.
  • the first transmission pinion 161 and the second transmission pinion 160 are coaxial.
  • the second transmission pinion 160 meshes with the external teeth of the lower screw gear 154, the circumferential inner teeth of the lower screw gear 154 are fitted on the lower screw 155, and the lower sealing head 152 is mounted on the upper end of the lower screw 155 and is used for
  • the coffee cake in the brewing chamber 151 at the feeding position is extruded, and a sealing ring 153 is further disposed between the upper circumference of the lower screw 155 and the inner circumferential wall of the brewing chamber 151, and the lower screw 155 is provided with an axial through hole, the shaft A water inlet joint 156 is installed in the through hole; second A gearbox cover 158 is provided on the outside of the drive pinion 160 and the lower screw gear 154.
  • a PTC thermostatic heating sheet 163 is disposed at a position outside the brewing chamber 151 in the large outer casing 1571 of the brewing casing 157.
  • the power unit 200 of the coffee brewer is responsible for providing power to the entire brewer, and the brewing unit 100 is responsible for brewing coffee.
  • the rotating motor 209 of the power unit 200 drives the small driving gear 133 to rotate, and the driving wheel 134 rotates, the guiding wheel 134 drives the upper screw gear 107 to rotate, and the cooperation of the upper screw and the upper screw gear 107 converts the rotating motion of the upper screw gear 107 into the upper
  • the linear motion of the screw drives the upper screw to move up and down.
  • the brewing shell 157 and the brewing chamber 151 can be rotated in the forward or reverse direction to achieve different positioning of the brewing chamber 151, that is, in the brewing position or the feeding position.
  • the first transmission pinion 161 rotates under the action of the driving gear 109, and at the same time drives the second transmission pinion 160 to rotate.
  • the rotation of the second transmission pinion 160 and the engagement of the lower screw gear 154 will drive the lower screw 155 into the brewing cavity 151.
  • the lower screw 155 is provided with a lower sealing head 152 and a sealing ring 153, both of which move up and down simultaneously with the lower screw 155. Therefore, the driving gear 109 can rotate the left and right to drive the lower sealing head 152 and the sealing ring 153. Move up and down. Additionally water can enter from the water inlet joint 156.
  • the brewing chamber 151 can be preheated by the PTC thermostat heating sheet 163, so that a coffee having a good taste can be obtained.
  • the brewing steps of the brewing device 100 are as follows:
  • Feeding also referred to as adding powder:
  • the brewing lower assembly 150 is in the position of the receiving, the upper brewing head assembly 120 is at the highest position, and the lower screw 155 is at the lowest position.
  • the convex portion of the cam 132 and the convex portion of the brewing outer casing 157 The block is engaged to push the brewing chamber 151 to the feeding position.
  • the casing of the brewing upper assembly 130 is further provided with a feeding circular hole 130a, and the coffee powder is added into the brewing chamber 151 through the feeding circular hole 130a.
  • the small driving gear 133 rotates counterclockwise to drive the upper screw of the upper brewing head assembly 120 to move downward, and at the same time, the cam 132 is rotated clockwise, and the convex portion of the cam 132 is simultaneously and brewed on the outer casing 157.
  • the protrusion cooperates to drive the brewing chamber 151 to rotate 90 degrees counterclockwise to reach the brewing position, and the positioning brewing chamber 151 stays in the position, and the small driving gear 133 continues to rotate counterclockwise to drive the upper screw of the upper brewing head assembly 120 to move downward, sealing.
  • the upper end port of the brewing chamber 151 is housed. Then, the lower screw 155 is moved upward by the driving gear 109, the coffee powder is pressed into a cake, and then brewed.
  • the small driving gear 133 rotates clockwise, and the upper screw of the upper brewing head assembly 120 is pulled out from the brewing chamber 151 and continues to move to the highest point. During this period, the cam 132 will drive the brewing chamber 151 to rotate 90 degrees, and then the driving gear 109 continues to rotate to move the lower screw 155 to the highest position to push out the cake.
  • the small drive gear 133 is then rotated counterclockwise while the brewing shell 150 and the brewing chamber 151 are turned to the brewing position, at which time the cake at the upper end of the brewing chamber 151 is scraped off by the scraper wafer 104. Finally, the lower screw 155 moves to the bottom In order to prepare for the next addition of powder, this completes a brewing.
  • the power unit 200 is provided with an upper cover 201, a side cover 207 and a left cover 205.
  • the output shaft 202 of the rotary electric machine 209 and the output shaft 204 of the squeeze motor 210 are also shown.
  • the forward and reverse rotation of the squeeze motor 210 and the rotary motor 209 respectively drive the forward and reverse rotation of the rotary motor output shaft 202 and the squeeze motor output shaft 204, and the forward and reverse rotations of the rotary motor output shaft 202 and the squeeze motor output shaft 204 respectively The positive and negative rotation of the small driving gear 133 and the driving gear 109 is driven.
  • the power unit 200 When assembled, the power unit 200 is generally fixed on the machine and is electrically charged.
  • the brewing device 100 is typically required to be removed for maintenance during maintenance.
  • the brewing device 100 is placed on the power unit 200, and then depressed, and the four plugs 111, 112, 113 (the other one not shown) of the brewing device 100 are respectively inserted into the four slots 211, 208 of the power unit 200. , 206 (another not shown).
  • the rotary motor output shaft 202 and the squeeze motor output shaft 204 are respectively engaged with the active small drive gear 133 and the drive gear 109, respectively.
  • the gear box cover 158, the upper bracket 131 and the lower bracket 105 on the brewing upper assembly 130 seal the transmission devices such as the guide wheel 134, the small driving gear 133, the first transmission pinion 161, the second transmission pinion 160, and the driving gear 109. , reduce the possibility of contamination.
  • the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention. Any technical solutions that can be implemented on the basis of the above embodiments without creative work should be considered as falling into the present embodiment. Utility model patents are protected within the scope of protection.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Apparatus For Making Beverages (AREA)

Abstract

一种咖啡酿造器，包括动力装置（200）和酿造装置（100），酿造装置（100）包括酿造上组件（130）、酿造下组件（150）、下支架（105）和刮饼片（104），酿造下组件（150）包括酿造腔体（151），酿造下组件（150）还包括酿造外壳（157）和竖直方向的固定轴（110），酿造外壳（157）包括固定连接且横向并列的大外壳（1571）和小外壳（1572），酿造腔体（151）固定于酿造外壳（157）的大外壳（1571）内，酿造外壳（157）的小外壳（1572）通过轴承套装于固定轴（110）上，酿造外壳（157）能够带动酿造腔体（151）绕固定轴（110）旋转以使酿造腔体（151）处于酿造位置或加料位置；刮饼片（104）安装于酿造上组件（130）的壳体上并位于酿造腔体（151）的上方且靠近酿造腔体（151）的上端。所述咖啡酿造器由酿造下组件（150）中的酿造腔体（151）旋转，由固定不动的刮饼片（104）将咖啡饼刮走，所以不会因刮饼片移动而把污染传递到更多区域，降低污染。

Description

一种咖啡酿造器
技术领域
本实用新型涉及一种咖啡酿造器， 尤其涉及一种污染小、结构精 简且能酿造高品质咖啡的咖啡酿造器。
背景技术
咖啡的酿制包括加粉、 压饼、 冲泡、 清洁几个过程， 研磨器把咖 啡豆研磨成咖啡粉， 咖啡粉放入酿造器内， 并通过一定的压力挤压成 粉饼， 然后高温高压的水冲过咖啡粉饼， 萃取出咖啡脂等物质， 并和 热水融合后流出形成咖啡。
传统的咖啡酿造器分为驱动装置和酿造装置，其中酿造装置包括 酿造下组件、 酿造上组件和刮饼器， 酿造下组件包括酿造腔体。传统 的咖啡酿造器存在以下缺陷：
1、 刮饼器和酿造上组件是装配在一起， 酿造完咖啡后跟随酿造 上组件一起运动， 实现把咖啡饼从酿造器的酿造腔体上刮走的目的， 以便腾出空间向酿造腔体内添加咖啡粉， 为下次酿造作准备， 所以， 刮饼器容易把污染传递到更多区域；
2、 酿造腔体的上端在酿造过程中没有密封， 所以咖啡粉或咖啡 液容易溅到酿造腔体的外面， 造成污染；
3、 酿造上组件和酿造下组件中的传动部分没有密封， 很容易受 到污染， 导致酿造器失效；
4、 酿造下组件和酿造上组件中的传动部分采用多个马达、 多个 齿轮和多个传感器实现传动和控制， 结构复杂， 制造成本高但可靠性 不高；
5、 酿造的咖啡不加热或者采用电阻丝加热， 不加热的方式因为 温度损失导致酿造的咖啡品质不高，电阻丝加热的方式需要加入温度 控制， 避免过热， 其控制结构复杂， 成本高。
实用新型内容
本实用新型的目的就在于为了解决上述问题而提供一种污染小、 结构精简且能酿造高品质咖啡的咖啡酿造器。
本实用新型通过以下技术方案来实现上述目的：
一种咖啡酿造器， 包括动力装置和酿造装置， 所述酿造装置包括 酿造上组件、 酿造下组件、 下支架和刮饼片， 所述酿造下组件包括酿 造腔体， 所述酿造下组件还包括酿造外壳和竖直方向的固定轴， 所述 酿造外壳包括固定连接且横向并列的大外壳和小外壳，所述酿造腔体 固定于所述酿造外壳的大外壳内，所述酿造外壳的小外壳通过轴承套 装于所述固定轴上，所述酿造外壳能够带动所述酿造腔体绕所述固定 轴旋转以使所述酿造腔体处于酿造位置或加料位置；所述刮饼片安装 于所述酿造上组件的壳体上并位于所述酿造腔体的上方且靠近所述 酿造腔体的上端。
上述结构中， 酿造外壳将酿造腔体和固定轴有机整合为旋转结 构， 使酿造腔体能够绕固定轴旋转而处于酿造位置或加料位置， 刮饼 片与酿造上组件的壳体固定连接， 改变了传统移动刮饼器（相当于本 实用新型的刮饼片） 的刮饼方式， 确保污染不会随刮饼片而扩散。
具体地， 所述酿造上组件包括凸轮、上支架和安装于所述上支架 上的小主动齿轮、导轮和轴， 所述小主动齿轮由所述动力装置的旋转 电机驱动， 所述小主动齿轮与所述导轮啮合， 所述凸轮通过所述轴与 所述导轮固定连接， 所述凸轮上设有凸轮凸块， 所述酿造外壳上设有 与所述凸轮凸块相互配合的外壳凸块。凸轮凸块与外壳凸块相互配合 的结构为常规结构，利用旋转电机的正反转运动带动凸轮凸块的正反 向运动， 外壳凸块一般为多块， 凸轮凸块在正、 反向运动时分别带动 外壳凸块， 从而带动酿造外壳与酿造腔体同歩正向旋转或反向旋转， 实现酿造腔体的不同定位。
进一歩地， 所述酿造上组件还包括上酿造头组件， 所述上酿造头 组件包括上螺杆、上密封头和上螺杆齿轮， 所述上螺杆安装于所述上 支架上且能够轴向移动，所述上螺杆齿轮的圆周内齿套装于所述上螺 杆上， 所述上螺杆齿轮的外齿与所述导轮啮合， 所述上密封头安装于 所述上螺杆的下端并用于密封处于酿造位置的所述酿造腔体的上端。
上述结构中，上螺杆和上螺杆齿轮的配合将上螺杆齿轮的旋转运 动转化为上螺杆的直线运动， 从而使酿造腔体处于酿造位置时， 上密 封头能够自动下降将酿造腔体的上端密封，酿造过程中不会有咖啡粉 或咖啡液溅出。
优选地， 所述动力装置的壳体上设有一个光电传感器， 所述光电 传感器位于所述凸轮的旁边并用于监测所述凸轮的运行状态。
具体地， 所述酿造上组件还包括主动齿轮， 所述酿造下组件还包 括传动小齿轮、 下螺杆齿轮、 下螺杆和下密封头， 所述主动齿轮由所 述动力装置的挤压电机驱动， 所述主动齿轮与所述传动小齿轮啮合， 所述传动小齿轮与所述下螺杆齿轮的外齿啮合，所述下螺杆齿轮的圆 周内齿套装于所述下螺杆上，所述下密封头安装于所述下螺杆的上端 并用于将处于加料位置的所述酿造腔体内的咖啡饼挤出。上述部件共 同构成挤饼机构， 实现将咖啡饼挤出酿造腔体的功能。
为了防止偶然泄露的咖啡液或咖啡饼污染齿轮传动机构，所述传 动小齿轮和所述下螺杆齿轮的外面设有齿轮箱盖。
进一歩，所述酿造外壳的大外壳内位于所述酿造腔体外部的位置 设置有 PTC恒温加热片。 PTC恒温加热片即为 PTC热敏电阻， 具有 恒温发热特性， 其原理是 PTC热敏电阻加电后自热升温使阻值进入 跃变区， 恒温加热 PTC热敏电阻表面温度将保持恒定值， 该温度只 与 PTC热敏电阻的居里温度和外加电压有关， 而与环境温度基本无 关。 所以， 采用 PTC恒温加热片不用其它恒温控制系统， 结构简单 且温控效果好。
本实用新型的有益效果在于：
1、 刮饼片和酿造上组件固定连接， 酿造完咖啡后， 由酿造下组 件中的酿造腔体旋转， 由固定不动的刮饼片将咖啡饼刮走， 所以，不 会因刮饼片移动而把污染传递到更多区域， 降低了污染；
2、 酿造腔体的上端在酿造过程中能够自动密封， 所以咖啡粉或 咖啡液不会溅到酿造腔体的外面， 显著降低了污染；
3、 通过增加齿轮箱盖， 防止了偶然泄露的咖啡液或咖啡饼污染 齿轮传动机构， 避免了因此而导致酿造器失效的问题；
4、 酿造下组件和酿造上组件中的传动部分采用两个马达、 多个 齿轮和一个传感器实现传动和控制， 制造成本降低且可靠性高；
5、 酿造的咖啡采用 PTC恒温加热片加热，结构简单且温控效果 好， 成本低。
附图说明
图 1是本实用新型所述咖啡酿造器的立体图之一；
图 2是本实用新型所述咖啡酿造器的立体组装图；
图 3是本实用新型所述酿造装置的立体图；
图 4是本实用新型所述酿造下组件的主视图；
图 5是图 4中的 A-A剖视图；
图 6是本实用新型所述酿造下组件的右视图；
图 7是图 6中的 B-B剖视图；
图 8是本实用新型所述酿造装置的内部结构立体图之一； 图 9是本实用新型所述酿造外壳的立体图；
图 10是本实用新型所述动力装置的立体图；
图 11是本实用新型所述动力装置的主视图；
图 12是图 11中的 C-C剖视图；
图 13是本实用新型所述咖啡酿造器的立体图之二， 与图 1为不 同视角；
图 14是本实用新型所述酿造装置的内部结构立体图之二， 为加 料状态；
图 15是本实用新型所述酿造装置的内部结构立体图之三， 为酿 造状态； 图 16是本实用新型所述酿造装置保留上支架的内部结构立体 图， 图中去掉了上盖且与图 8、 图 14和图 15的视角均不同。
具体实施方式
下面结合附图对本实用新型作进一歩说明：
如图 1-图 16所示，本实用新型所述咖啡酿造器包括动力装置 200 和酿造装置 100，酿造装置 100包括酿造上组件 130、酿造下组件 150、 下支架 105和刮饼片 104， 酿造下组件 150包括酿造腔体 151、 酿造 外壳 157和竖直方向的固定轴 110， 酿造外壳 157包括固定连接且横 向并列的大外壳 1571和小外壳 1572， 酿造腔体 151固定于酿造外壳 157的大外壳 1571内， 酿造外壳 157的小外壳 1572通过上轴承 162 和下轴承 159套装于固定轴 110上，酿造外壳 157能够带动酿造腔体 151绕固定轴 110旋转以使酿造腔体 151处于酿造位置或加料位置； 刮饼片 104安装于酿造上组件 130的壳体上并位于酿造腔体 151的上 方且靠近酿造腔体 151的上端。
如图 3、 图 8和图 10-图 16所示，酿造上组件 130包括凸轮 132、 上支架 131和安装于上支架 131上的小主动齿轮 133、 导轮 134、 轴 135以及上酿造头组件 120， 上支架 131将酿造装置 100内的传动器 件密封起来， 小主动齿轮 133由动力装置 200的旋转电机 209驱动， 小主动齿轮 133与导轮 134啮合，凸轮 132通过轴 135与导轮 134固 定连接， 凸轮 132上设有凸轮凸块 （图中未标记）， 酿造外壳 157上 设有与凸轮凸块相互配合的外壳凸块，所示外壳凸块包括设于大外壳 1571上的第一外壳凸块 157a、 设于小外壳 1572上的第二外壳凸块 157b和第三外壳凸块 157c， 凸轮凸块与外壳凸块相互配合的结构为 常规结构，利用旋转电机 209的正反转运动带动凸轮凸块的正反向运 动， 凸轮凸块在正、 反向运动时分别带动外壳凸块， 从而带动酿造外 壳 157与酿造腔体 151同歩正向旋转或反向旋转， 实现酿造腔体 151 的不同定位； 上酿造头组件 120包括上螺杆 （图中未标记）、 上密封 头 （图中未标记） 和上螺杆齿轮 107， 上螺杆安装于上支架 131上且 能够轴向移动， 上螺杆齿轮 107的圆周内齿套装于上螺杆上， 上螺杆 齿轮 107的外齿与导轮 134啮合，上密封头安装于上螺杆的下端并用 于密封处于酿造位置的酿造腔体 151的上端。
如图 3、 图 8和 10所示， 动力装置 200的壳体上设有一个光电 传感器 203，光电传感器 203位于凸轮 132的旁边并用于监测凸轮 132 的运行状态。
如图 3-图 8和图 10-图 12所示，酿造上组件 130还包括主动齿轮 109， 酿造下组件 150还包括第一传动小齿轮 161、 第二传动小齿轮 160、 下螺杆齿轮 154、 下螺杆 155和下密封头 152， 主动齿轮 109由 动力装置 200的挤压电机 210驱动，主动齿轮 109与第一传动小齿轮 161啮合，第一传动小齿轮 161和第二传动小齿轮 160同轴同歩旋转， 第二传动小齿轮 160与下螺杆齿轮 154的外齿啮合， 下螺杆齿轮 154 的圆周内齿套装于下螺杆 155上，下密封头 152安装于下螺杆 155的 上端并用于将处于加料位置的酿造腔体 151内的咖啡饼挤出，下螺杆 155的上部圆周与酿造腔体 151的内圆周壁之间还设有密封圈 153， 下螺杆 155内设有轴向通孔， 轴向通孔内安装有进水接头 156; 第二 传动小齿轮 160和下螺杆齿轮 154的外面设有齿轮箱盖 158。
如图 6和图 7所示， 酿造外壳 157的大外壳 1571内位于酿造腔 体 151外部的位置设置有 PTC恒温加热片 163。
如图 1-图 16所示， 下面分别对本咖啡酿造器的各部分结构和对 应功能进行详细描述：
本咖啡酿造器的动力装置 200负责提供整个酿造器的动力，酿造 装置 100负责酿造咖啡。
动力装置 200的旋转电机 209驱动小主动齿轮 133转动，带动导 轮 134转动， 导轮 134带动上螺杆齿轮 107转动， 上螺杆和上螺杆齿 轮 107的配合将上螺杆齿轮 107的旋转运动转化为上螺杆的直线运 动， 从而驱动上螺杆上下移动， 当上螺杆往下移动到酿造腔体 151的 上端内时就利用上密封头实现酿造器的密封，而脱出酿造腔体 151的 上端时就实现了酿造腔体 151的打开， 上螺杆上下移动的同时， 设置 于导轮 134上的轴 135随导轮 134—起转动， 凸轮 132设置于轴 135 上， 会跟随轴 135—起转动， 凸轮 132转动会带动酿造外壳 157与酿 造腔体 151同歩正向旋转或反向旋转，实现酿造腔体 151的不同定位， 即位于酿造位置或加料位置。
第一传动小齿轮 161在主动齿轮 109的作用下旋转，同时会带动 第二传动小齿轮 160旋转， 第二传动小齿轮 160旋转和下螺杆齿轮 154啮合会带动下螺杆 155在酿造腔体 151内上下运动， 下螺杆 155 设置有下密封头 152和密封圈 153， 两者就随下螺杆 155同时上下运 动。 因此主动齿轮 109左右旋转就能带动下密封头 152和密封圈 153 上下运动。 另外水可以从进水接头 156处进入。 在整个酿造过程中， 酿造腔体 151可以通过 PTC恒温加热片 163预热， 如此可以得到口 感好的咖啡。
酿造装置 100的酿造歩骤如下：
1、 加料（也称加粉）： 酿造下组件 150在接料的位置， 上酿造头 组件 120在最高位置， 下螺杆 155在最低位置， 此时， 凸轮 132的凸 块和酿造外壳 157的凸块配合， 把酿造腔体 151推动到加加料位置， 酿造上组件 130的壳体上还设置加料圆孔 130a， 通过加料圆孔 130a 把咖啡粉添加到酿造腔体 151中。
2、 压饼： 加料完成后， 小主动齿轮 133逆时针旋转， 带动上酿 造头组件 120的上螺杆往下移动， 同时带动凸轮 132顺时针旋转，凸 轮 132的凸块也同时和酿造外壳 157上凸块配合带动酿造腔体 151逆 时针旋转 90度到达酿造位置， 并定位酿造腔体 151停留在该位置， 小主动齿轮 133继续逆时针旋转带动上酿造头组件 120的上螺杆向下 移动， 密封住酿造腔体 151的上端端口。然后下螺杆 155在主动齿轮 109的作用下向上移动， 挤压咖啡粉成饼， 然后酿造。
3、 出饼： 酿造完成， 小主动齿轮 133顺时针旋转， 上酿造头组 件 120的上螺杆从酿造腔体 151中拔出， 并持续运动到最高点。期间 凸轮 132会带动酿造腔体 151旋转 90度， 然后主动齿轮 109继续旋 转使下螺杆 155移动到最高位置， 推出饼。然后小主动齿轮 133再逆 时针转同时带动酿造外壳 150和酿造腔体 151转到酿造位置，这时酿 造腔体 151上端的饼被刮饼片 104刮下。最后下螺杆 155移动到最下 面， 为下一次加粉做准备， 这样就完成一次酿造。
如图 10-图 13， 动力装置 200的外面设有上盖 201、 侧盖 207和 左盖 205， 图中还示出了旋转电机 209的输出轴 202， 挤饼电机 210 输出轴 204组成。挤饼电机 210和旋转电机 209的正反转会分别带动 旋转电机输出轴 202和挤饼电机输出轴 204的正反转，旋转电机输出 轴 202和挤饼电机输出轴 204的正反转会分别带动小主动齿轮 133和 主动齿轮 109的正反转。
装配时， 动力装置 200—般在机器上是固定的， 而且是带电的。 酿造装置 100在维护的时候通常是需要取下清洗的。 将酿造装置 100 放进到动力装置 200上，然后下压，让酿造装置 100的 4个插销 111、 112、 113 (另一个未示出)分别插到动力装置 200的 4个插槽 211、208、 206(另一个未示出）中。 这时旋转电机输出轴 202和挤饼电机输出轴 204会分别与主动小主动齿轮 133和主动齿轮 109对应啮合。
酿造上组件 130上的齿轮箱盖 158、 上支架 131和下支架 105把 导轮 134、 小主动齿轮 133、 第一传动小齿轮 161、 第二传动小齿轮 160、 主动齿轮 109等传动器件密封起来， 减少受污染的可能性。 上述实施例只是本实用新型的较佳实施例，并不是对本实用新型技术 方案的限制，只要是不经过创造性劳动即可在上述实施例的基础上实 现的技术方案， 均应视为落入本实用新型专利的权利保护范围内。

Claims

权利要求书
1.一种咖啡酿造器， 包括动力装置和酿造装置， 所述酿造装置包括酿 造上组件、 酿造下组件、 下支架和刮饼片， 所述酿造下组件包括酿造 腔体， 其特征在于： 所述酿造下组件还包括酿造外壳和竖直方向的固 定轴， 所述酿造外壳包括固定连接且横向并列的大外壳和小外壳，所 述酿造腔体固定于所述酿造外壳的大外壳内，所述酿造外壳的小外壳 通过轴承套装于所述固定轴上，所述酿造外壳能够带动所述酿造腔体 绕所述固定轴旋转以使所述酿造腔体处于酿造位置或加料位置；所述 刮饼片安装于所述酿造上组件的壳体上并位于所述酿造腔体的上方 且靠近所述酿造腔体的上端。
2.根据权利要求 1所述的咖啡酿造器， 其特征在于： 所述酿造上组件 包括凸轮、 上支架和安装于所述上支架上的小主动齿轮、 导轮和轴， 所述小主动齿轮由所述动力装置的旋转电机驱动，所述小主动齿轮与 所述导轮啮合， 所述凸轮通过所述轴与所述导轮固定连接， 所述凸轮 上设有凸轮凸块，所述酿造外壳上设有与所述凸轮凸块相互配合的外 壳凸块。
3.根据权利要求 2所述的咖啡酿造器， 其特征在于： 所述酿造上组件 还包括上酿造头组件， 所述上酿造头组件包括上螺杆、上密封头和上 螺杆齿轮， 所述上螺杆安装于所述上支架上且能够轴向移动， 所述上 螺杆齿轮的圆周内齿套装于所述上螺杆上，所述上螺杆齿轮的外齿与 所述导轮啮合，所述上密封头安装于所述上螺杆的下端并用于密封处 于酿造位置的所述酿造腔体的上端。
4.根据权利要求 2所述的咖啡酿造器， 其特征在于： 所述动力装置的 壳体上设有一个光电传感器，所述光电传感器位于所述凸轮的旁边并 用于监测所述凸轮的运行状态。
5.根据权利要求 1、 2、 3或 4所述的咖啡酿造器， 其特征在于： 所述 酿造上组件还包括主动齿轮， 所述酿造下组件还包括传动小齿轮、下 螺杆齿轮、下螺杆和下密封头， 所述主动齿轮由所述动力装置的挤压 电机驱动， 所述主动齿轮与所述传动小齿轮啮合， 所述传动小齿轮与 所述下螺杆齿轮的外齿啮合，所述下螺杆齿轮的圆周内齿套装于所述 下螺杆上，所述下密封头安装于所述下螺杆的上端并用于将处于加料 位置的所述酿造腔体内的咖啡饼挤出。
6.根据权利要求 5所述的咖啡酿造器， 其特征在于： 所述传动小齿轮 和所述下螺杆齿轮的外面设有齿轮箱盖。
7.根据权利要求 1、 2、 3或 4所述的咖啡酿造器， 其特征在于： 所述 酿造外壳的大外壳内位于所述酿造腔体外部的位置设置有 PTC恒温 加热片。
PCT/CN2014/082183 2014-03-11 2014-07-15 一种咖啡酿造器 WO2015135271A1 (zh)

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