WO2018133418A1 - 盖板驱动与自锁装置、饮料酿造装置和饮料酿造系统 - Google Patents

盖板驱动与自锁装置、饮料酿造装置和饮料酿造系统 Download PDF

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Publication number
WO2018133418A1
WO2018133418A1 PCT/CN2017/099836 CN2017099836W WO2018133418A1 WO 2018133418 A1 WO2018133418 A1 WO 2018133418A1 CN 2017099836 W CN2017099836 W CN 2017099836W WO 2018133418 A1 WO2018133418 A1 WO 2018133418A1
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WO
WIPO (PCT)
Prior art keywords
cover
driving
link
locking device
self
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PCT/CN2017/099836
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English (en)
French (fr)
Inventor
邝坚
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广东美的生活电器制造有限公司
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Publication of WO2018133418A1 publication Critical patent/WO2018133418A1/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
    • A47J31/00—Apparatus for making beverages
    • A47J31/40—Beverage-making apparatus with dispensing means for adding a measured quantity of ingredients, e.g. coffee, water, sugar, cocoa, milk, tea
    • 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
    • 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
    • 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
    • A47J31/4407—Lids, covers or knobs

Definitions

  • the invention belongs to the field of household appliances, and in particular to a cover driving and self-locking device, and a beverage brewing device and a beverage brewing system having the cover driving and self-locking device.
  • the top sealing ring of the brewing chamber where the beverage capsule is located must have sufficient downforce (usually up to 300 kg force) to maintain good sealing performance. . Therefore, the structure of the brewing locking mechanism in the conventional beverage brewing device is generally complicated, and the steel is used to provide a large pressure to ensure stability and reliability, but this also brings a large cost, is difficult to disassemble, and exists. Some defects in pipe residue.
  • the present invention provides a cover driving and self-locking device which is simple in structure, easy to manufacture and manufacture, has reliable working performance, low cost, and is suitable for use in a beverage brewing device.
  • the present invention provides a cover driving and self-locking device including a fixed frame, a driving mechanism and a cover plate, the driving mechanism including a driving link and a driven link, the active link
  • the driving mechanism including a driving link and a driven link
  • the active link The upper end is hinged to the fixed frame, the lower end of the driving link is hinged to the upper end of the driven link, and the lower end of the driven link is hinged to the top surface of the cover plate;
  • the cover plate when the driving link rotates around the upper end hinge point of the driving link in the locking rotation direction, the cover plate can be moved from the top dead center position to the bottom dead center position by the driven connecting rod.
  • the cover plate In the bottom dead center position, the cover plate is in a depressed state, the driven link is perpendicular to a top surface of the cover plate, and between the upper end hinge point and the lower end hinge point of the active link
  • the rotation angle of the wire rotating in the locking rotation direction to be flush with the top surface of the cover plate is not more than 90 degrees
  • the cover driving and self-locking device further comprises a rotation limiting mechanism, the rotation limit The mechanism inhibits the active link from further rotating in the locked rotational direction at the bottom dead center position.
  • the fixed frame includes two vertical clamping plates extending upward and spaced apart from each other, the active link, the driven link and the cover plate being located between the two vertical clamping plates.
  • the driving mechanism further includes an operating handle fixedly coupled to the upper end of the driving link and capable of driving the driving link to surround the upper end of the driving link in the locking rotation direction Rotating or reversely rotating around the upper end of the drive link in an unlocking direction of rotation.
  • one end of the operating handle is fixedly connected to the driving link, and the other end extends from between the two vertical clamping plates, and the protruding end of the operating handle is provided as the rotation limit.
  • a limit stop of the mechanism the operating handle is rotated in the locking rotation direction such that when the cover plate is in the bottom dead center position, the limit stop abuts against the vertical clamping plate Edge to suppress further rotation of the operating handle.
  • the operating handle is parallel to the cover.
  • the cover driving and self-locking device comprises a first rotating shaft and a second rotating shaft, and two ends of the first rotating shaft are respectively disposed in the corresponding rotating shaft mounting holes of the tops of the two vertical clamping plates,
  • the upper end of the driving link is pivotally connected to the first rotating shaft, and the lower end of the driving link and the upper end of the driven link are pivotally connected to the second rotating shaft.
  • the active link and the driven link are both double links connected at both ends of the rotating shaft and spaced in parallel.
  • the vertical clamping plate is provided with a vertical cover guide groove, and the cover plate is extended and worn.
  • a slide bar that enters the guide groove of the cover plate, and at the bottom dead center position, the slide bar is located at a bottom end of the cover groove of the cover plate.
  • the cover channel is an arc chute, and at the bottom dead center position, the upper end hinge point of the active link and the arc center of the arc chute are respectively located at the driven link Both sides of the pole.
  • the cover driving and self-locking device further comprises a cover link, one end of the cover link hinges the sliding bar, and the other end is hinged to a center of a circular arc of the arc chute
  • the vertical clamping plate is positioned.
  • the cover rod link is parallel to the top surface of the cover plate.
  • the cover rod has a length of 35 mm to 55 mm.
  • the cover driving and self-locking device further includes a third rotating shaft, the third rotating shaft is connected to the top surface of the cover plate along a radial direction of the cover plate, and the driven link The lower end is pivotally coupled to the third shaft.
  • the slide bar is an end of the third rotating shaft.
  • the cover driving and self-locking device further includes a compression spring, a top end of the compression spring is coupled to the first rotating shaft, and a bottom end of the compression spring is coupled to the cover plate at the bottom end In the point position, the upper end hinge point of the active link and the bottom end connection point of the compression spring are respectively located at two sides of the driven link.
  • the first rotating shaft is a metal shaft
  • the cover driving and self-locking device are all plastic parts except the first rotating shaft.
  • the distance between the upper end hinge point of the driving link and the lower end hinge point of the driving link is 0.5 mm to 4 mm along the top surface direction of the cover plate.
  • a vertical direction of the top surface of the cover plate a distance between an upper end hinge point of the active link and a lower end hinge point of the active link is 12 mm to 17 mm, and an upper end hinge point of the driven link and the slave
  • the pitch of the lower end of the connecting rod is 14 mm to 18 mm.
  • the present invention also provides a beverage brewing device, comprising a material cup and the above-mentioned cover driving and self-locking device, wherein a top surface of the material cup is formed with a concave brewing chamber as a brewing
  • the cover plate of the head is fitted with a puncturing needle, and at the bottom dead center position, the cover sealing gland is on the brewing chamber of the cup, and the puncturing needle penetrates into the brewing chamber.
  • the bottom of the fixing frame is formed with a sliding groove
  • the material cup is slidably mounted in a drawer shape along the sliding groove to the bottom of the fixing frame and can be slid out therefrom.
  • the bottom of the cover plate is connected with a sealing ring
  • the brewing chamber is formed with a top annular socket, and in the bottom dead center position, the driving mechanism drives the sealing ring against the top annular bearing On the mouth.
  • the present invention provides a beverage brewing system comprising a liquid supply system, a beverage capsule, and the above-described beverage brewing device, wherein the beverage capsule is housed in the brewing chamber, the piercing needle is a hollow needle tube and connected In the liquid guiding tube of the liquid supply system, at the bottom dead center position, the piercing needle penetrates into the beverage capsule to inject a liquid.
  • the pressure of the liquid injected into the beverage capsule by the puncturing needle is not less than 15 bar.
  • the bottom of the cover plate is connected with a sealing ring
  • the beverage capsule comprises a top surface sealing film
  • the outer diameter of the sealing film is smaller than the outer diameter of the sealing ring
  • the brewing chamber is formed with a top annular ring
  • the periphery of the sealing film extends into the surface of the socket of the top annular socket, and at the bottom dead center position, the driving mechanism drives the sealing ring against the surface of the socket.
  • the radially inner edge of the socket surface is higher than the radially outer edge.
  • a simple two-bar linkage mechanism is employed to drive the cover plate to move up and down.
  • the cover plate is locked at the bottom dead center position so that it can withstand a large pressure, and is suitable for application to a beverage brewing device, pressing the sealing ring against the top opening of the brewing chamber to achieve an effective sealing of the brewing chamber.
  • the structure is simple, the parts are few, and the processing is easy, and only one rotating shaft with a large force is made of steel, and the rest is all made of plastic material, and the whole is light and the cost is low.
  • FIG. 1 is an exploded view of a cover driving and self-locking device, a beverage brewing device in accordance with a preferred embodiment of the present invention, wherein the cover is in an open state;
  • FIG. 2 is an exploded view of a cover driving and self-locking device, a beverage brewing device according to a preferred embodiment of the present invention, wherein the cover is in a locked state;
  • Figure 3 illustrates the cup being able to be removed from or loaded into the stationary frame
  • Figure 4 is a front elevational view of the cover driving and self-locking device in the open state shown in Figure 1;
  • Figure 5 is a cross-sectional view of the cover driving and self-locking device shown in Figure 4, wherein a partial fixed frame is omitted for clarity;
  • Figure 6 is a front elevational view of the cover driving and self-locking device in the locked state shown in Figure 2;
  • Figure 7 is a cross-sectional view of the cover drive and self-locking device of Figure 6, with the partial stationary frame omitted for clarity.
  • orientation words such as “up, down, top, and bottom” are generally used for the directions shown in the drawings or for vertical, vertical or gravity directions, unless otherwise stated.
  • the components are described in terms of their positional relationship.
  • the present invention provides a cover driving and self-locking device, including a fixed frame 100, a driving mechanism and a cover plate 4.
  • the driving mechanism includes a driving link 1 and a driven link 2, and is actively connected.
  • the upper end of the rod 1 is hinged to the fixed frame 100, the lower end of the driving link 1 is hinged to the upper end of the driven link 2, and the lower end of the driven link 2 is hinged to the top surface of the cover plate 4;
  • the driven connecting rod 2 can drive the cover plate 4 to move from the top dead center position to the bottom dead center position; at the top dead center Position, the cover plate is lifted upward, as shown in Fig. 1, Fig. 4, Fig. 5; at the bottom dead center position, the cover plate 4 is pressed and locked, as shown in Fig. 2, Fig. 6, and Fig. 7.
  • follower link 2 Straight to the top surface of the cover 4, and the connection between the upper end hinge point and the lower end hinge point of the drive link 2 is rotated in the locking rotation direction w to be flush with the top surface of the cover plate 4 More than 90 degrees.
  • a rotation limiting mechanism is further formed at the bottom dead center position, and the rotation limiting mechanism suppresses further rotation of the driving link 1 in the locking rotation direction w.
  • the angle of rotation a is the self-locking pressure angle. Since the rotation angle a is not more than 90 degrees, the second hinge point J2 in Fig. 7 is located slightly to the right of the fixed hinge point J1, and the operation handle 6 is located on the left side of the fixed hinge point J1.
  • the cover driving and self-locking device of the present invention is a two-link driving mechanism with self-locking, and the effective stroke control and locking characteristics are achieved by the optimal arrangement of the hinge position and the setting of the rotation limit mechanism.
  • the structure of the device of the present invention is relatively simple, but the mechanical locking achieved is quite reliable, and the shaft member rotates smoothly.
  • the fixed frame 100 preferably comprises two vertical clamping plates extending upward and parallel to each other, and the driving link 1, the driven connecting rod 2 and the cover plate 4 are located between the two vertical clamping plates. This dual-clamped fixed frame 100 helps to keep the connecting rods running smoothly.
  • the driving mechanism comprises an operating handle 6, which is fixedly connected to the upper end of the driving link 1 and is capable of driving the driving link 1 around the upper end of the driving link 1 in the locking rotational direction w Rotating or reversely rotating around the upper end of the drive link 1 in the unlocking direction of rotation. That is, by operating the handle 6, a rotation operation of locking or unlocking can be performed.
  • one end of the operating handle 6 is fixedly connected to the driving link 1 and the other end extends from between the two vertical clamping plates.
  • the protruding end of the operating handle 6 is provided with a limiting stop 61 as a rotation limiting mechanism.
  • the limit stop 61 abuts against the upper edge of the vertical clamping plate to inhibit further rotation of the operating handle 6.
  • the operating handle 6 is parallel to the cover 4 to conform to the operating habits of the operator.
  • the cover driving and self-locking device comprises a first rotating shaft Z1 and a second rotating shaft Z2, and two ends of the first rotating shaft Z1 are respectively disposed in the corresponding rotating shaft mounting holes 104 of the tops of the two vertical clamping plates, and are actively connected
  • the upper end of the rod 1 is pivotally coupled to the first rotating shaft Z1
  • the lower end of the driving link 1 and the upper end of the driven link 2 are pivotally coupled to the second rotating shaft Z2.
  • each of the links is preferably in the form of a double bar connected to both ends of the rotating shaft and spaced apart in parallel.
  • the connecting rod becomes less stressed and can be made of plastic material.
  • each link may even adopt more, for example, parallel three-bar, parallel four-bar form, and the like.
  • the vertical clamping plate is provided with a vertical cover guide groove 105, and a cover plate. 4 Extending the slide bar 41 that penetrates into the cover guide groove 105. At the bottom dead center position, the slide bar 41 is located at the bottom end of the cover guide groove 105.
  • the cover guide groove 105 is an arc chute, and at the bottom dead center position, the upper end hinge point of the active link 1 and the arc center of the arc chute are respectively located on both sides of the driven link 2, and the cover plate is connected
  • the rod 5 is parallel to the top surface of the cover plate 4.
  • the cover driving and self-locking device further comprises a cover connecting rod 5, one end of the cover connecting rod 5 is hinged to the sliding rod 41, and the other end Hinged to the vertical clamping plate position corresponding to the center of the arc of the arc chute.
  • the cover driving and self-locking device further includes a third rotating shaft Z3, and the third rotating shaft Z3 is connected to the top surface of the cover 4 along the radial direction of the cover 4, so that the cover 4 is balanced, and the driven connection
  • the lower end of the rod 2 is pivotally coupled to the third rotating shaft Z3.
  • the sliding rod 41 is an end of the third rotating shaft Z3, that is, the sliding rod 41 and the third rotating shaft Z3 may be combined into one.
  • the cover driving and self-locking device further comprises a compression spring 7, the top end of the compression spring 7 is connected to the first rotating shaft Z1, and the bottom end of the compression spring 7 is connected to the cover plate 4. At the bottom dead center position, the upper end of the driving link 1 is hinged The bottom end connection points of the compression springs 7 are respectively located on both sides of the driven link 2.
  • the compression spring 7 helps to provide a reset preload when unlocked, causing the operating handle 6 to return from the locked position of Figure 7 to the unlocked position of Figure 5.
  • the force of the connecting rod and the rotating shaft is effectively shared, so that the structural strength rigidity is high only on the first rotating shaft Z1 with relatively large force.
  • the metal shaft, the cover driving and the self-locking device can be made of plastic parts to reduce the cost.
  • the distance A between the upper end hinge point of the driving link 1 and the lower end hinge point of the driving link 1 is 0.5 mm along the top surface of the cover plate 4. ⁇ 4 mm, the length D of the cover link 5 is 35 mm to 55 mm.
  • the distance B between the upper end hinge point of the driving link 1 and the lower end hinge point of the driving link 1 is 12 mm to 17 mm along the vertical direction of the top surface of the cover plate 4, and the upper end hinge point and the driven link 2 of the driven link 2
  • the pitch C of the lower hinge point is 14 mm to 18 mm.
  • the cover driving and self-locking device of the invention has a small overall size and a compact structure, and is almost made of a plastic material, and has low cost, but can apply a large downforce to the cover plate 4, and the mechanical self-locking is stable and reliable.
  • the cover drive and self-locking device of the present invention is suitable for application to a beverage brewing device as a brewing head in combination with the cup 8 shown in Figure 3, see Figure 7, by sealing the top of the cup 8 by pressing the sealing ring 10
  • the face opening opens the beverage capsule 9 placed in the brewing chamber of the cup 8 of Figure 3.
  • the top surface of the cup 8 is formed with a concave brewing chamber, and the cover plate 4 as the brewing head is provided with a piercing needle 3, and at the bottom dead center position, the lid 4 seals the gland on the brewing chamber of the cup 8.
  • the piercing needle 3 is inserted into the brewing chamber and inserted into the beverage capsule 9, and a high-pressure liquid can be injected for beverage brewing.
  • the bottom of the fixed frame 100 is formed with a lateral chute, and thus, referring to FIG. 3, the cup 8 can be slidably mounted in a drawer shape along the lateral chute to the bottom of the fixed frame 100 and can be slid out therefrom. Through the drawer installation of the cup 8, the cup 8 can be separated from the brewing device, which is convenient Replace the beverage capsule 9.
  • the sealing ring 10 can be directly connected to the bottom of the cover plate 4, and the brewing chamber is formed with a top annular socket 81 as shown in FIG.
  • the cover drive and the drive mechanism of the self-locking device drive the seal ring 10 against the top annular socket 81 to form a highly sealed mouth seal structure.
  • a liquid supply system is generally included, and the beverage capsule 9 is housed in the brewing chamber, and the piercing needle 3 is preferably a hollow needle tube and connected to the liquid guiding tube of the liquid supply system.
  • the piercing needle 3 is inserted into the beverage capsule 9 with the downward pressure of the brewing head to inject a high pressure liquid.
  • the beverage capsule 9 further includes a top surface sealing film 91.
  • the outer diameter of the sealing film 91 is smaller than the outer diameter of the sealing ring 10.
  • the peripheral edge of the sealing film 91 extends into the surface of the socket of the top annular socket 81.
  • the radially inner edge of the socket surface of the top annular socket 81 is slightly higher than the radially outer edge, so that when the sealing ring 10 is pressed, not only the peripheral edge of the sealing film 91 can obtain more reliable support, but also the sealing effect. More prominent.
  • the beverage brewing device adopting the cover driving and self-locking device of the invention has a sealing pressure of the brewing head which is sufficiently large to reach 300 kg force, and when the high-pressure coffee is brewed, the liquid pressure of the puncture needle 3 injected into the beverage capsule 9 is not Less than 15 bar, but the device of the invention is fully applicable.
  • the cup 8 are not The drawer is installed on the bottom of the fixed frame 100, and the vertical chute can also be disposed in the fixed frame 100, so that the cup 8 can be put up and replaced, and even the cup 8 can be snap-fitted, etc., and the like should include It is within the scope of the invention.

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

Abstract

一种盖板驱动与自锁装置、饮料酿造装置和饮料酿造系统，盖板驱动与自锁装置包括固定机架(100)、盖板(4)、主动连杆(1)和从动连杆(2)，从动连杆(2)的下端铰接于盖板(4)的顶面部；主动连杆(1)沿锁定旋转方向(w)围绕上端铰点旋转时能够通过从动连杆(2)带动盖板(4)从上止点位置下移至下止点位置；在下止点位置，盖板(4)呈下压锁定状态，从动连杆(2)垂直于盖板(4)的顶面，主动连杆(1)的上端铰点和下端铰点之间的连线沿锁定旋转方向旋转至齐平于盖板(4)的顶面时的旋转夹角(a)不大于90度，旋转限位机构抑制主动连杆(1)在下止点位置沿锁定旋转方向进一步旋转。本装置结构简单，易于加工，几近全塑料材质，整体轻巧，成本低廉。

Description

盖板驱动与自锁装置、饮料酿造装置和饮料酿造系统 技术领域
本发明属于家用电器领域，具体地，涉及一种盖板驱动与自锁装置，以及具有该盖板驱动与自锁装置的饮料酿造装置和饮料酿造系统。
背景技术
采用咖啡酿造机酿造意式高压咖啡时，由于水压大，饮料胶囊所在的酿造腔的顶盖密封圈必须要有足够大的下压力(通常达300公斤力)，方可保持良好的密封性能。因此，常规的饮料酿造装置中的酿造锁紧机构的结构一般较为复杂，采用钢材多，以提供较大压力，保障稳定性和可靠性，但这同样也带来了成本大、难以拆卸且存在管道残留的一些缺陷。
有鉴于此，如何寻求经济实惠、工作性能可靠且易于加工的廉价型酿造锁紧机构成为一个新研发方向。
发明内容
针对现有技术中的上述不足或缺陷，本发明提供一种盖板驱动与自锁装置，其结构简单、易于加工制造且工作性能可靠，成本低，适于饮料酿造装置中使用。
为实现上述目的，本发明提供了一种盖板驱动与自锁装置，包括固定机架、驱动机构和盖板，所述驱动机构包括主动连杆和从动连杆，所述主动连杆的上端铰接于所述固定机架上，所述主动连杆的下端铰接所述从动连杆的上端，所述从动连杆的下端铰接于所述盖板的顶面部；
其中，所述主动连杆沿锁定旋转方向围绕所述主动连杆的上端铰点旋转时能够通过所述从动连杆带动所述盖板从上止点位置下移至下止点位 置；
在所述下止点位置，所述盖板呈下压锁定状态，所述从动连杆垂直于所述盖板的顶面，所述主动连杆的上端铰点和下端铰点之间的连线沿所述锁定旋转方向旋转至齐平于所述盖板的顶面时的旋转夹角不大于90度，所述盖板驱动与自锁装置还包括旋转限位机构，该旋转限位机构抑制所述主动连杆在所述下止点位置沿所述锁定旋转方向进一步旋转。
优选地，所述固定机架包括向上伸出且相互间隔平行的两块竖向装夹板，所述主动连杆、从动连杆和盖板位于两块所述竖向装夹板之间。
优选地，所述驱动机构还包括操作手柄，所述操作手柄固定连接于所述主动连杆的上端并能够驱动所述主动连杆沿所述锁定旋转方向围绕所述主动连杆的上端铰点旋转或反向地沿解锁旋转方向围绕所述主动连杆的上端铰点旋转。
优选地，所述操作手柄的一端固定连接于所述主动连杆，另一端从两块所述竖向装夹板之间伸出，所述操作手柄的伸出端设有作为所述旋转限位机构的限位挡块，所述操作手柄沿所述锁定旋转方向旋转至使得所述盖板处于所述下止点位置时，所述限位挡块抵靠于所述竖向装夹板的上沿以抑制所述操作手柄进一步旋转。
优选地，所述盖板处于所述下止点位置时，所述操作手柄与所述盖板平行。
优选地，所述盖板驱动与自锁装置包括第一转轴和第二转轴，所述第一转轴的两端分别穿设于两块所述竖向装夹板的顶部的相应转轴安装孔中，所述主动连杆的上端枢转连接于所述第一转轴上，所述主动连杆的下端和所述从动连杆的上端枢转连接于所述第二转轴上。
优选地，所述主动连杆和从动连杆均为连接于转轴两端且平行间隔的双连杆。
优选地，所述竖向装夹板上设有竖向的盖板导槽，所述盖板伸出有穿 入所述盖板导槽中的滑杆，在所述下止点位置，所述滑杆位于所述盖板导槽的底端。
优选地，所述盖板导槽为圆弧滑槽，在所述下止点位置，所述主动连杆的上端铰点和所述圆弧滑槽的圆弧中心分别位于所述从动连杆的两侧。
优选地，所述盖板驱动与自锁装置还包括盖板连杆，所述盖板连杆的一端铰接所述滑杆，另一端铰接于所述圆弧滑槽的圆弧中心所对应的所述竖向装夹板位置上。
优选地，在所述下止点位置，所述盖板连杆平行于所述盖板的顶面。
优选地，所述盖板连杆的长度为35mm～55mm。
优选地，所述盖板驱动与自锁装置还包括第三转轴，所述第三转轴沿所述盖板的径向穿连于所述盖板的顶面部上，所述从动连杆的下端枢转连接于所述第三转轴。
优选地，所述滑杆为所述第三转轴的端部。
优选地，所述盖板驱动与自锁装置还包括压缩弹簧，所述压缩弹簧的顶端连接于所述第一转轴，所述压缩弹簧的底端连接于所述盖板，在所述下止点位置，所述主动连杆的上端铰点和所述压缩弹簧的底端连接点分别位于所述从动连杆的两侧。
优选地，所述第一转轴为金属轴，所述盖板驱动与自锁装置中除所述第一转轴外均为塑料件。
优选地，在所述下止点位置，沿所述盖板的顶面方向，所述主动连杆的上端铰点与所述主动连杆的下端铰点的间距为0.5mm～4mm，沿所述盖板的顶面垂直方向，所述主动连杆的上端铰点与所述主动连杆的下端铰点的间距为12mm～17mm，所述从动连杆的上端铰点与所述从动连杆的下端铰点的间距为14mm～18mm。
在以上基础上，本发明还提供了一种饮料酿造装置，包括料杯和上述的盖板驱动与自锁装置，所述料杯的顶面形成有内凹的酿造腔，作为酿造 头的所述盖板安装有刺破针，在所述下止点位置，所述盖板密封压盖在所述料杯的酿造腔上，所述刺破针刺入所述酿造腔中。
优选地，所述固定机架的底部形成有滑槽，所述料杯呈抽屉状沿所述滑槽滑动安装至所述固定机架的底部并能够从中滑出。
优选地，所述盖板的底部连接有密封圈，所述酿造腔形成有顶部环形承口，在所述下止点位置，所述驱动机构驱动所述密封圈抵压于所述顶部环形承口上。
另外，本发明还提供了一种饮料酿造系统，包括供液系统、饮料胶囊和上述的饮料酿造装置，其中所述饮料胶囊容纳于所述酿造腔中，所述刺破针为中空针管并连接所述供液系统的导液管，在所述下止点位置，所述刺破针刺入所述饮料胶囊中以注入液体。
优选地，所述刺破针注入所述饮料胶囊中的液体压力不小于15bar。
优选地，所述盖板的底部连接有密封圈，所述饮料胶囊包括顶面的封口膜，所述封口膜的外径小于所述密封圈的外径，所述酿造腔形成有顶部环形承口，所述封口膜的周缘伸入所述顶部环形承口的承口表面上，在所述下止点位置，所述驱动机构驱动所述密封圈抵压于所述承口表面上。
优选地，所述承口表面的径向内侧边缘高于径向外侧边缘。
通过上述技术方案，在本发明的盖板驱动与自锁装置中，采用简单的双连杆机构，以驱动盖板上下移动。尤其是在移动至下止点位置时，通过对双连杆机构在固定机架上的相对安装位置和旋转限位机构等设计，使得其能够实现锁紧力较大的自锁，从而将盖板锁定于下止点位置，使其能够承受较大压力，适于应用至饮料酿造装置中，将密封圈压靠在酿造腔的顶面开口上，实现对酿造腔的有效密封。此结构简单，部件少，易于加工，且仅有受力较大的一根转轴采用钢材，其余全为塑料材质，整体轻巧，成本低廉。
本发明的其它特征和优点将在随后的具体实施方式部分予以详细说 明。
附图说明
构成本发明的一部分的附图用来提供对本发明的进一步理解，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1为根据本发明的优选实施方式的盖板驱动与自锁装置、饮料酿造装置的爆炸图，其中盖板处于打开状态；
图2为根据本发明的优选实施方式的盖板驱动与自锁装置、饮料酿造装置的爆炸图，其中盖板处于锁定状态；
图3图示了料杯能够从固定机架中取出或装入其中；
图4为图1所示的打开状态下的盖板驱动与自锁装置组装后的主视图；
图5为图4所示的盖板驱动与自锁装置的剖视图，其中为清楚起见，省略了局部的固定机架；
图6为图2所示的锁定状态下的盖板驱动与自锁装置组装后的主视图；
图7为图6所示的盖板驱动与自锁装置的剖视图，其中为清楚起见，省略了局部的固定机架。
附图标记说明：
1         主动连杆           2          从动连杆
3         刺破针             4          盖板
5         盖板连杆           6          操作手柄
7         压缩弹簧           8          料杯
9         饮料胶囊           10         密封圈
41        滑杆               61         限位挡块
81        顶部环形承口       91         封口膜
100       固定机架           101        第一竖向装夹板
102       第二竖向装夹板      104        转轴安装孔
105       盖板导槽
Z1        第一转轴            Z2         第二转轴
Z3        第三转轴            Z4         第四转轴
J1        固定铰点            J2         第二铰点
J3        第三铰点            J4         第四铰点
a         旋转夹角            w         锁定旋转方向
具体实施方式
以下结合附图对本发明的具体实施方式进行详细说明。应当理解的是，此处所描述的具体实施方式仅用于说明和解释本发明，并不用于限制本发明。
需要说明的是，在不冲突的情况下，本发明中的实施例及实施例中的特征可以相互组合。
在本发明中，在未作相反说明的情况下，使用的方位词如“上、下、顶、底”通常是针对附图所示的方向而言的或者是针对竖直、垂直或重力方向上而言的各部件相互位置关系描述用词。
下面将参考附图并结合实施例来详细说明本发明。
参见图1或图2，本发明提供了一种盖板驱动与自锁装置，包括固定机架100、驱动机构和盖板4，驱动机构包括主动连杆1和从动连杆2，主动连杆1的上端铰接于固定机架100上，主动连杆1的下端铰接从动连杆2的上端，从动连杆2的下端铰接于盖板4的顶面部；
其中，主动连杆1沿锁定旋转方向w围绕主动连杆1的上端铰点旋转时能够通过从动连杆2带动盖板4从上止点位置下移至下止点位置；在上止点位置，盖板呈向上提起的打开状态，如图1、图4、图5所示；在下止点位置，盖板4呈下压锁定状态，如图2、图6、图7所示。从动连杆2垂 直于盖板4的顶面，且主动连杆2的上端铰点和下端铰点之间的连线沿锁定旋转方向w旋转至齐平于盖板4的顶面时的旋转夹角a不大于90度。其中，在下止点位置，还形成有旋转限位机构，该旋转限位机构抑制主动连杆1沿锁定旋转方向w的进一步旋转。
具体地，结合图6和图7，其中的旋转夹角a即自锁压力角。由于旋转夹角a不大于90度，图7中的第二铰点J2位于固定铰点J1的略偏右侧，而操作手柄6位于固定铰点J1的左侧。这样，当盖板4受内部压力而向上顶起时，作用于第二铰点J2的竖直向上顶推力相对于固定铰点J1的力矩沿逆时针方向，即图示的锁定旋转方向w，该力矩促使操作手柄6沿锁定旋转方向w进一步旋转，但操作手柄6与固定机架100之间的旋转限位机构则抑制操作手柄6沿锁定旋转方向w的进一步旋转，从而造成行程死点，达到对盖板4的稳定可靠的机械式锁紧目的。
可见，本发明的盖板驱动与自锁装置为带自锁的两连杆驱动机构，利用铰点位置的优化布置和旋转限位机构的设置，达到有效的行程控制和锁定特性。本发明装置的结构本身较为简单，但实现的机械式锁紧相当可靠，轴件旋转顺畅。
其中，固定机架100优选为包括向上伸出且相互间隔平行的两块竖向装夹板，主动连杆1、从动连杆2和盖板4位于两块竖向装夹板之间。这种双装夹板的固定机架100有助于使连杆运行平稳。
为便于操作和控制主动连杆1，驱动机构包括操作手柄6，操作手柄6固定连接于主动连杆1的上端并能够驱动主动连杆1沿锁定旋转方向w围绕主动连杆1的上端铰点旋转或反向地沿解锁旋转方向围绕主动连杆1的上端铰点旋转。即通过操作手柄6，能够进行锁定或解锁的旋转操作。
具体地，操作手柄6的一端固定连接于主动连杆1，另一端从两块竖向装夹板之间伸出，操作手柄6的伸出端设有作为旋转限位机构的限位挡块61，操作手柄6沿锁定旋转方向w旋转至使得盖板4处于下止点位置时， 限位挡块61抵靠于竖向装夹板的上沿以抑制操作手柄6进一步旋转。优选的，盖板4处于下止点位置时，操作手柄6与盖板4平行，以符合操作人员的操作习惯。
进一步地，盖板驱动与自锁装置包括第一转轴Z1和第二转轴Z2，第一转轴Z1的两端分别穿设于两块竖向装夹板的顶部的相应转轴安装孔104中，主动连杆1的上端枢转连接于第一转轴Z1上，主动连杆1的下端和从动连杆2的上端枢转连接于第二转轴Z2上。通过这种双装夹板的固定机架100，各铰点的受力通过相应的转轴分担至两个装夹板，从而受力构件的受力相对小，可减轻对材质强度刚度的要求。
为进一步减轻作为主受力件的主动连杆1和从动连杆2的受力，各连杆均优选为连接于转轴两端且平行间隔的双杆形式。这样，连杆受力变小，可采用塑料材质。当然，在空间允许的情况下，各连杆甚至也可采用更多的例如并行三杆、并行四杆形式等。
为保持并规范盖板4、第三铰点J3的顺畅移动，以能够达到可靠锁定和解锁目的，如图1所示，竖向装夹板上设有竖向的盖板导槽105，盖板4伸出有穿入盖板导槽105中的滑杆41，在下止点位置，滑杆41位于盖板导槽105的底端。
优选地，盖板导槽105为圆弧滑槽，在下止点位置，主动连杆1的上端铰点和圆弧滑槽的圆弧中心分别位于从动连杆2的两侧，盖板连杆5平行于盖板4的顶面。此时，为导引盖板4的滑杆41沿盖板导槽105移动，盖板驱动与自锁装置还包括盖板连杆5，盖板连杆5的一端铰接滑杆41，另一端铰接于圆弧滑槽的圆弧中心所对应的竖向装夹板位置上。
另外，盖板驱动与自锁装置还包括第三转轴Z3，第三转轴Z3沿盖板4的径向穿连于盖板4的顶面部上，以使得盖板4受力均衡，从动连杆2的下端枢转连接于第三转轴Z3。其中优选地，滑杆41为第三转轴Z3的端部，即滑杆41、第三转轴Z3可合二为一。
盖板驱动与自锁装置还包括压缩弹簧7，压缩弹簧7的顶端连接于第一转轴Z1，压缩弹簧7的底端连接于盖板4，在下止点位置，主动连杆1的上端铰点和压缩弹簧7的底端连接点分别位于从动连杆2的两侧。压缩弹簧7有助于在解锁时提供复位预紧力，使得操作手柄6从图7的锁定位置回复至图5的解锁位置。
由于采用了具有两块竖向装夹板的固定机架100、并行多杆形式，连杆和转轴的受力获得有效分担，因而只在受力相对大的第一转轴Z1采用结构强度刚度高的金属轴，盖板驱动与自锁装置中除第一转轴Z1外均可采用塑料件，以降低成本。
在一个具体实施例中，如图7所示的下止点位置，沿盖板4的顶面方向，主动连杆1的上端铰点与主动连杆1的下端铰点的间距A为0.5mm～4mm，盖板连杆5的长度D为35mm～55mm。沿盖板4的顶面垂直方向，主动连杆1的上端铰点与主动连杆1的下端铰点的间距B为12mm～17mm，从动连杆2的上端铰点与从动连杆2的下端铰点的间距C为14mm～18mm。可见，本发明的盖板驱动与自锁装置的整体尺寸小，结构紧凑，几乎采用塑料材质，成本低，但能够给盖板4施加较大的下压力，机械式自锁稳定、可靠。
本发明的盖板驱动与自锁装置适于应用至饮料酿造装置中，作为酿造头并结合图3所示的料杯8，参见图7，通过下压密封圈10而密封料杯8的顶面开口，锁定图3的料杯8的酿造腔中放置的饮料胶囊9。
具体地，料杯8的顶面形成有内凹的酿造腔，作为酿造头的盖板4安装有刺破针3，在下止点位置，盖板4密封压盖在料杯8的酿造腔上，刺破针3刺入酿造腔中，插入饮料胶囊9内，可注入高压液体进行饮料冲泡。
其中优选地，固定机架100的底部形成有侧向滑槽，这样，参见图3，料杯8可呈抽屉状沿侧向滑槽滑动安装至固定机架100的底部并能够从中滑出。通过料杯8的这种抽屉式安装，料杯8可与酿造装置相分离，方便 更换饮料胶囊9。
密封圈10可直接连接于盖板4底部，酿造腔形成有顶部环形承口81，如图1所示。在图7的下止点位置，盖板驱动与自锁装置的驱动机构驱动密封圈10抵压于顶部环形承口81上，从而形成高度密封的止口密封结构。
在采用此饮料酿造装置的饮料酿造系统中，一般还包括供液系统，饮料胶囊9容纳于酿造腔中，刺破针3优选为中空针管并连接供液系统的导液管。这样，在下止点位置时，刺破针3随着酿造头的下压力而刺入饮料胶囊9中以注入高压液体。
其中，饮料胶囊9还包括顶面的封口膜91，封口膜91的外径小于密封圈10的外径，封口膜91的周缘则伸入顶部环形承口81的承口表面上。这样，在下止点位置，驱动机构驱动密封圈10抵压于承口表面上时，同样密封固定了封口膜91的周缘。更优选地，顶部环形承口81的承口表面的径向内侧边缘略高于径向外侧边缘，这样在密封圈10下压时，不仅封口膜91的周缘能够获得更可靠支撑，密封效果也更突出。
采用了本发明的盖板驱动与自锁装置的饮料酿造装置，其酿造头的密封压力足够大，可达300公斤力，酿造高压咖啡时，刺破针3注入饮料胶囊9中的液体压力不小于15bar，但本发明装置完全适用。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，例如，料杯8也不限于抽屉式安装于固定机架100的底部，也可在固定机架100设置竖向滑槽，以便料杯8向上提出更换，甚至料杯8也可卡扣式安装等，诸如此类改动均应包含在本发明的保护范围之内。
另外需要说明的是，在上述具体实施方式中所描述的各个具体技术特征，在不矛盾的情况下，可以通过任何合适的方式进行组合，为了避免不必要的重复，本发明对各种可能的组合方式不再另行说明。
此外，本发明的各种不同的实施方式之间也可以进行任意组合，只要 其不违背本发明的思想，其同样应当视为本发明所公开的内容。

Claims (24)

  1. 一种盖板驱动与自锁装置，包括固定机架(100)、驱动机构和盖板(4)，所述驱动机构包括主动连杆(1)和从动连杆(2)，所述主动连杆(1)的上端铰接于所述固定机架(100)上，所述主动连杆(1)的下端铰接所述从动连杆(2)的上端，所述从动连杆(2)的下端铰接于所述盖板(4)的顶面部；
    其中，所述主动连杆(1)沿锁定旋转方向(w)围绕所述主动连杆(1)的上端铰点旋转时能够通过所述从动连杆(2)带动所述盖板(4)从上止点位置下移至下止点位置；
    在所述下止点位置，所述盖板(4)呈下压锁定状态，所述从动连杆(2)垂直于所述盖板(4)的顶面，所述主动连杆(1)的上端铰点和下端铰点之间的连线沿所述锁定旋转方向(w)旋转至齐平于所述盖板(4)的顶面时的旋转夹角(a)不大于90度，所述盖板驱动与自锁装置还包括旋转限位机构，该旋转限位机构抑制所述主动连杆(1)在所述下止点位置沿所述锁定旋转方向(w)进一步旋转。
  2. 根据权利要求1所述的盖板驱动与自锁装置，其中，所述固定机架(100)包括向上伸出且相互间隔平行的两块竖向装夹板，所述主动连杆(1)、从动连杆(2)和盖板(4)位于两块所述竖向装夹板之间。
  3. 根据权利要求2所述的盖板驱动与自锁装置，其中，所述驱动机构还包括操作手柄(6)，所述操作手柄(6)固定连接于所述主动连杆(1)的上端并能够驱动所述主动连杆(1)沿所述锁定旋转方向(w)围绕所述主动连杆(1)的上端铰点旋转或反向地沿解锁旋转方向围绕所述主动连杆(1)的上端铰点旋转。
  4. 根据权利要求3所述的盖板驱动与自锁装置，其中，所述操作手柄(6)的一端固定连接于所述主动连杆(1)，另一端从两块所述竖向装夹板之间伸出，所述操作手柄(6)的伸出端设有作为所述旋转限位机构的限位挡块(61)，所述操作手柄(6)沿所述锁定旋转方向(w)旋转至使得所述盖板(4)处于所述下止点位置时，所述限位挡块(61)抵靠于所述竖向装夹板的上沿以抑制所述操作手柄(6)进一步旋转。
  5. 根据权利要求4所述的盖板驱动与自锁装置，其中，所述盖板(4)处于所述下止点位置时，所述操作手柄(6)与所述盖板(4)平行。
  6. 根据权利要求2所述的盖板驱动与自锁装置，其中，所述盖板驱动与自锁装置包括第一转轴(Z1)和第二转轴(Z2)，所述第一转轴(Z1)的两端分别穿设于两块所述竖向装夹板的顶部的相应转轴安装孔(104)中，所述主动连杆(1)的上端枢转连接于所述第一转轴(Z1)上，所述主动连杆(1)的下端和所述从动连杆(2)的上端枢转连接于所述第二转轴(Z2)上。
  7. 根据权利要求6所述的盖板驱动与自锁装置，其中，所述主动连杆(1)和从动连杆(2)均为连接于转轴两端且平行间隔的双连杆。
  8. 根据权利要求6所述的盖板驱动与自锁装置，其中，所述竖向装夹板上设有竖向的盖板导槽(105)，所述盖板(4)伸出有穿入所述盖板导槽(105)中的滑杆(41)，在所述下止点位置，所述滑杆(41)位于所述盖板导槽(105)的底端。
  9. 根据权利要求8所述的盖板驱动与自锁装置，其中，所述盖板导槽(105)为圆弧滑槽，在所述下止点位置，所述主动连杆(1)的上端铰点和所述圆弧滑槽的圆弧中心分别位于所述从动连杆(2)的两侧。
  10. 根据权利要求9所述的盖板驱动与自锁装置，其中，所述盖板驱动与自锁装置还包括盖板连杆(5)，所述盖板连杆(5)的一端铰接所述滑杆(41)，另一端铰接于所述圆弧滑槽的圆弧中心所对应的所述竖向装夹板位置上。
  11. 根据权利要求10所述的盖板驱动与自锁装置，其中，在所述下止点位置，所述盖板连杆(5)平行于所述盖板(4)的顶面。
  12. 根据权利要求10所述的盖板驱动与自锁装置，其中，所述盖板连杆(5)的长度为35mm～55mm。
  13. 根据权利要求10所述的盖板驱动与自锁装置，其中，所述盖板驱动与自锁装置还包括第三转轴(Z3)，所述第三转轴(Z3)沿所述盖板(4)的径向穿连于所述盖板(4)的顶面部上，所述从动连杆(2)的下端枢转连接于所述第三转轴(Z3)。
  14. 根据权利要求13所述的盖板驱动与自锁装置，其中，所述滑杆(41)为所述第三转轴(Z3)的端部。
  15. 根据权利要求6所述的盖板驱动与自锁装置，其中，所述盖板驱动与自锁装置还包括压缩弹簧(7)，所述压缩弹簧(7)的顶端连接于所述第一转轴(Z1)，所述压缩弹簧(7)的底端连接于所述盖板(4)，在所述 下止点位置，所述主动连杆(1)的上端铰点和所述压缩弹簧(7)的底端连接点分别位于所述从动连杆(2)的两侧。
  16. 根据权利要求6所述的盖板驱动与自锁装置，其中，所述第一转轴(Z1)为金属轴，所述盖板驱动与自锁装置中除所述第一转轴(Z1)外均为塑料件。
  17. 根据权利要求1～16中任意一项所述的盖板驱动与自锁装置，其中，在所述下止点位置，沿所述盖板(4)的顶面方向，所述主动连杆(1)的上端铰点与所述主动连杆(1)的下端铰点的间距为0.5mm～4mm，沿所述盖板(4)的顶面垂直方向，所述主动连杆(1)的上端铰点与所述主动连杆(1)的下端铰点的间距为12mm～17mm，所述从动连杆(2)的上端铰点与所述从动连杆(2)的下端铰点的间距为14mm～18mm。
  18. 一种饮料酿造装置，包括料杯(8)和根据权利要求1～17中任意一项所述的盖板驱动与自锁装置，所述料杯(8)的顶面形成有内凹的酿造腔，作为酿造头的所述盖板(4)安装有刺破针(3)，在所述下止点位置，所述盖板(4)密封压盖在所述料杯(8)的酿造腔上，所述刺破针(3)刺入所述酿造腔中。
  19. 根据权利要求18所述的饮料酿造装置，其中，所述固定机架(100)的底部形成有滑槽，所述料杯(8)呈抽屉状沿所述滑槽滑动安装至所述固定机架(100)的底部并能够从中滑出。
  20. 根据权利要求18所述的饮料酿造装置，其中，所述盖板(4)的底部连接有密封圈(10)，所述酿造腔形成有顶部环形承口(81)，在所述 下止点位置，所述驱动机构驱动所述密封圈(10)抵压于所述顶部环形承口(81)上。
  21. 一种饮料酿造系统，包括供液系统、饮料胶囊(9)和根据权利要求18或19所述的饮料酿造装置，其中，所述饮料胶囊(9)容纳于所述酿造腔中，所述刺破针(3)为中空针管并连接所述供液系统的导液管，在所述下止点位置，所述刺破针(3)刺入所述饮料胶囊(9)中以注入液体。
  22. 根据权利要求21所述的饮料酿造系统，其中，所述刺破针(3)注入所述饮料胶囊(9)中的液体压力不小于15bar。
  23. 根据权利要求21所述的饮料酿造系统，其中，所述盖板(4)的底部连接有密封圈(10)，所述饮料胶囊(9)包括顶面的封口膜(91)，所述封口膜(91)的外径小于所述密封圈(10)的外径，所述酿造腔形成有顶部环形承口(81)，所述封口膜(10)的周缘伸入所述顶部环形承口(81)的承口表面上，在所述下止点位置，所述驱动机构驱动所述密封圈(10)抵压于所述承口表面上。
  24. 根据权利要求23所述的饮料酿造系统，其中，所述承口表面的径向内侧边缘高于径向外侧边缘。
PCT/CN2017/099836 2017-01-22 2017-08-31 盖板驱动与自锁装置、饮料酿造装置和饮料酿造系统 WO2018133418A1 (zh)

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