CN101627877B - Extraction device of pressure-type coffee machine - Google Patents
Extraction device of pressure-type coffee machine Download PDFInfo
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- CN101627877B CN101627877B CN2009103058130A CN200910305813A CN101627877B CN 101627877 B CN101627877 B CN 101627877B CN 2009103058130 A CN2009103058130 A CN 2009103058130A CN 200910305813 A CN200910305813 A CN 200910305813A CN 101627877 B CN101627877 B CN 101627877B
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- briquetting
- pressure block
- pressure
- auxiliary
- water
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Abstract
The invention relates to an extraction device of a pressure-type coffee machine, comprising a pressing component driven by a handle and capable of moving up and down. An effluent pressure block is mounted at the bottom of the pressing component; a water inlet is extensionally arranged upward in the middle of the effluent pressure block; the coffee machine is provided with a fixed base at the lower part of the effluent pressure block; the fixed base is internally provided with a coffee collector and a filter screen; an inner cavity is arranged at the bottom of the effluent pressure block; the inner cavity is provided with an auxiliary pressure block capable of being moved downward by water pressure; a limit device for restricting the maximum downward-moving distance of the auxiliary pressure block is arranged between the effluent pressure block and the auxiliary pressure block; a water inlet hole is arranged in the middle of the auxiliary pressure block; a peripheral groove is arranged at the periphery of the auxiliary pressure block and sleeved with a water distribution sealing ring; a groove and a rubber ring are arranged at the bottom of the auxiliary pressure block; the position of the rubber ring corresponds to that of a flange on the filter screen; and the inner side at the bottom of the auxiliary pressure block surrounded by grooves and the filter screen form a coffee extraction cavity together. The product is simple in structure and convenient to operate and saves power.
Description
Technical field
The present invention relates to the extraction equipment of a kind of pressure-type coffee machine, particularly pressure-type coffee machine.
Background technology
Existing pressure-type coffee machine all is to use the high pressure extraction system, when operation, need the bigger pressure of the application of force to make the water outlet briquetting be pressed on the holder, form good sealing, the situation that when high pressure extraction, can not occur leaking, but in order to obtain this big pressure, for the user, need the bigger strength of flower that the water outlet briquetting is down pressed during operation accordingly, more painstaking during operation.In order to make the light point in application of force source, the another kind of method that solves is to do the arm of force very longly, but so not only very waste material and space, and because the existence of the arm of force, cause the existence of component, the complexity that the effect of exerting all one's strength becomes needs to consider the effect of component on the structure, design and processing are caused significant limitation, in addition, if the arm of force designs longlyer, also influenced the Total tune of coffee machine, the visual effect of complete machine is variation also.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of extraction equipment of rational in infrastructure, light, the labour-saving pressure-type coffee machine of operation.
The technical solution adopted in the present invention is:
The extraction equipment of pressure-type coffee machine, comprise by handle and drive and can descend, mobile down press unit, the bottom of press unit is equipped with the water outlet briquetting, the middle part of water outlet briquetting extends upward and is provided with water inlet, coffee machine is provided with holder below corresponding to the water outlet briquetting, be provided with coffee gatherer and screen pack in the holder, described water outlet briquetting bottom is provided with inner cavity, the auxiliary briquetting that can be moved down by water pressure pushing is installed in the inner cavity, the maximum that also is provided with the auxiliary briquetting of restriction between water outlet briquetting and the auxiliary briquetting moves down the stopping means of distance, be provided with into water aperture in the middle of the auxiliary briquetting, auxiliary briquetting periphery is provided with circumferential recess, circumferential recess is set with the branch waterstop ring, and auxiliary briquetting bottom is provided with groove and cushion rubber is installed, and the cushion rubber bottom contacts sealing with the screen pack upper flange; Inboard and screen pack that described auxiliary briquetting bottom is surrounded by cushion rubber form the coffee extracted chamber jointly.
Further improvement of the present invention, the middle part of described auxiliary briquetting is provided with upwardly extending extension, the water inlet aperture is positioned at this extension, the extension outer wall is provided with external screw thread, described stopping means comprises inner hollow and is set in T type metallic sheath on the extension external screw thread, and T type metallic sheath top is provided with flanging outwardly, and described flanging is provided with outlet pass, the inboard of described water inlet is provided with the screens that adapts with the flanging external diameter, and the external diameter of T type metallic sheath bottom cylindrical shell is less than the internal diameter of water inlet.
Further improvement of the present invention, the below of described water inlet aperture is provided with internal thread and flow control assembly is installed, described flow control assembly comprises screw adjustments, spring and silica gel piece, and screw adjustments is pressed on the into bottom of water aperture by spring with silica gel piece elasticity.
The invention has the beneficial effects as follows: the inner cavity of water outlet briquetting bottom is provided with auxiliary briquetting, utilize handle that the water outlet briquetting is depressed in use earlier, the cushion rubber of auxiliary briquetting bottom tentatively is pressed on the upper flange of screen pack, when extraction coffee, carry the hot water of coming from the water inlet of water outlet briquetting, to enter by the coffee machine high-pressure hydraulic pump, part water under high pressure enters from the water inlet aperture of auxiliary briquetting and is used to prepare coffee in the coffee extracted chamber, another part water under high pressure then enters between auxiliary briquetting top and the water outlet briquetting bottom inner cavity, because the lifting surface area at auxiliary briquetting top is bigger, under the effect of water under high pressure, will assist briquetting down to push away, thereby make the sealing in coffee extracted chamber better, prevent from when extraction, to occur leaking, owing to adopted this two-stage hold down gag, reduced the pressure requirement that the prime mechanical type is compressed, made the operator lighter in use laborsaving, handle also can design shorter and smalllyer simultaneously, save material, make the integral body of product more coordinate.
In addition, the extension at auxiliary briquetting middle part is arranged with T type metallic sheath, and when auxiliary briquetting down compressed coffee pads under the hydraulic pressure effect, T type metallic sheath both can prevent to come off when the stroke of assisting briquetting to move down is excessive, and its outlet pass also plays shunting action simultaneously.Further, the below of described water inlet aperture is provided with internal thread and flow control assembly is installed, thereby makes product can adapt to more people's different demands.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a decomposing schematic representation of the present invention;
Fig. 3 is the part enlarged diagram of Fig. 2;
Fig. 4 is a sectional structure chart of the present invention;
Fig. 5 is the structure enlarged drawing of T type metallic sheath;
Fig. 6 is the structure enlarged drawing of screw adjustments;
Fig. 7 is the part-structure exploded view of Fig. 4.
The specific embodiment
Referring to figs. 1 through shown in Figure 7, the extraction equipment of pressure-type coffee machine, comprise by handle 11 and drive and can descend, mobile down press unit 12, the bottom of press unit 12 is equipped with water outlet briquetting 2, the middle part of water outlet briquetting 2 extends upward and is provided with water inlet 21, coffee machine is provided with holder 3 below corresponding to water outlet briquetting 2, be provided with coffee gatherer 41 and screen pack 42 in the holder 3, water outlet briquetting 2 bottoms are provided with inner cavity 22, the auxiliary briquetting 5 that can be moved down by water pressure pushing is installed in the inner cavity 22, the maximum that also is provided with the auxiliary briquetting 5 of restriction between water outlet briquetting 2 and the auxiliary briquetting 5 moves down the stopping means of distance, be provided with into water aperture 51 in the middle of the auxiliary briquetting 5, auxiliary briquetting 5 peripheries are provided with circumferential recess 52, circumferential recess 52 is set with branch waterstop ring 53, auxiliary briquetting 5 bottoms are provided with groove 54 and cushion rubber 55 are installed, and cushion rubber 55 bottoms contact sealing with screen pack 42 upper flanges; Described auxiliary briquetting 5 bottoms form coffee extracted chamber 6 jointly by inboard and the screen pack 42 that cushion rubber 55 surrounds.In use, coffee pads is placed in the screen pack, utilize handle that the water outlet briquetting is depressed earlier, the cushion rubber of auxiliary briquetting bottom tentatively is pressed on the upper flange of screen pack, when starting coffee machine, heated hot water enters from water inlet under the conveying of high-pressure hydraulic pump, part water under high pressure enters from the water inlet aperture of auxiliary briquetting and is used to prepare coffee in the coffee extracted chamber 6, another part water under high pressure then enters between auxiliary briquetting top and the water outlet briquetting bottom inner cavity, because the lifting surface area at auxiliary briquetting top is bigger, and separate by minute waterstop ring 53 between this position and the coffee extracted chamber, therefore under differential pressure action, auxiliary briquetting is moved down by the promotion of water under high pressure, thereby makes the sealing in the coffee extracted chamber better, in use the situation that can not occur leaking, owing to adopted this two-stage hold down gag, when the mechanical type hand of the first order, make the lighter in use laborsaving problem that solves the very large active forces of hand needs of operator, realize the human oriented design of light hand; In addition,, reduced limitation of design, not only saved material, and make the integral body of product more coordinate because that the arm of force of first order handle does not need is very long.On the other hand, the main application of force direction of this extraction equipment design has become the vertical direction of load by the vertical direction of the original arm of force, has simplified the effect of power, makes the more reasonable structure of product, designs more convenient.
The middle part of auxiliary briquetting 5 is provided with upwardly extending extension 56, water inlet aperture 51 is positioned at this extension 56, extension 56 outer walls are provided with external screw thread, stopping means comprises inner hollow and is set in T type metallic sheath 6 on extension 56 external screw threads, T type metallic sheath 6 tops are provided with flanging 61 outwardly, flanging 61 is provided with outlet pass 62, the inboard of water inlet 21 is provided with the screens 22 that adapts with flanging 61 external diameters, the external diameter of T type metallic sheath 22 bottom cylindrical shells is less than the internal diameter of water inlet 21, high-pressure water heating is shunted from water inlet 21, a part enters the top of auxiliary briquetting 5 from the space of outlet pass 62 between T type metallic sheath 22 bottom cylindrical shells and water inlet 21, to assist briquetting 5 down to push away, another part hot water enters coffee extracted chamber 6 from the water inlet aperture 51 of auxiliary briquetting 5.During to certain distance, the flanging 61 of T type metallic sheath 6 is subjected to the constraint of screens 22 when auxiliary briquetting 5 is subjected to hydraulic pressure pressure and moves down, thereby the auxiliary briquetting 5 of order does not continue to move down, and prevents that its glue from falling.Wherein embodiment when this stopping means is this, similarly, this stopping means also can be the limited block, baffle plate etc. of being located at water outlet briquetting 2 bottoms and being positioned at the auxiliary briquetting outside, position-limiting action equally can get up.
The below of water inlet aperture 51 is provided with internal thread and flow control assembly is installed, flow control assembly comprises screw adjustments 71, spring 72 and silica gel piece 73, silica gel piece 73 is equivalent to check valve, screw adjustments 71 is pressed on the into bottom of water aperture 51 by spring 72 with silica gel piece 73 elasticity, the degree of depth by screw adjustments 71, can regulate the opening pressure of water inlet aperture 51, make coffee machine can adapt to the needs of different crowd.The middle hollow of screw adjustments 71, the bottom is a blind end, and spring 72 is positioned over this hollow bulb place, and screw adjustments 71 is provided with through hole 74 near the barrel at place, bottom, and after silica gel piece 73 was backed down, water radially sprayed from through hole 74.
The present invention has also done improvement to the structure of cushion rubber 55, the Cross section Design of cushion rubber 55 is become c-shaped shape, and the bottom of C tee section slopes inwardly and narrows gradually, forms the elastic packing limit, the cushion rubber of this structure not only good sealing effect, reset easily, be not easy ageing failure simultaneously.
Certainly, the present invention is not limited to the above embodiments, is equal to the present invention or the similar techniques scheme also should belong within protection scope of the present invention.
Claims (6)
1. the extraction equipment of pressure-type coffee machine, comprise by handle (11) and drive and can descend, mobile down press unit (12), the bottom of press unit (12) is equipped with water outlet briquetting (2), the middle part of water outlet briquetting (2) extends upward and is provided with water inlet (21), coffee machine is provided with holder (3) in the below corresponding to water outlet briquetting (2), be provided with coffee gatherer (41) and screen pack (42) in the holder (3), it is characterized in that: described water outlet briquetting (2) bottom is provided with inner cavity, the auxiliary briquetting (5) that can be moved down by water pressure pushing is installed in the inner cavity, the maximum that also is provided with the auxiliary briquetting (5) of restriction between water outlet briquetting (2) and the auxiliary briquetting (5) moves down the stopping means of distance, be provided with into water aperture (51) in the middle of the auxiliary briquetting (5), auxiliary briquetting (5) periphery is provided with circumferential recess (52), circumferential recess (52) is set with branch waterstop ring (53), auxiliary briquetting (5) bottom is provided with groove (54) and cushion rubber (55) is installed, and cushion rubber (55) bottom contacts sealing with screen pack (42) upper flange; Inboard and screen pack (42) that described auxiliary briquetting (5) bottom is surrounded by cushion rubber (55) form the coffee extracted chamber jointly.
2. the extraction equipment of pressure-type coffee machine according to claim 1, it is characterized in that: the middle part of described auxiliary briquetting (5) is provided with upwardly extending extension (56), water inlet aperture (51) is positioned at this extension (56), extension (56) outer wall is provided with external screw thread, described stopping means comprises inner hollow and is set in T type metallic sheath on extension (56) external screw thread, T type metallic sheath top is provided with flanging (61) outwardly, described flanging (61) is provided with outlet pass (62), the inboard of described water inlet (21) is provided with the screens that adapts with flanging (61) external diameter, and the external diameter of T type metallic sheath bottom cylindrical shell is less than the internal diameter of water inlet (21).
3. according to the extraction equipment of claim 1 or 2 described pressure-type coffee machines, it is characterized in that: the below of described water inlet aperture (51) is provided with internal thread and flow control assembly is installed, described flow control assembly comprises screw adjustments (71), spring (72) and silica gel piece (73), and screw adjustments (71) is pressed on the into bottom of water aperture (51) by spring (72) with silica gel piece (73) elasticity.
4. the extraction equipment of pressure-type coffee machine according to claim 3, it is characterized in that: the middle hollow of described screw adjustments (71), the bottom is a blind end, spring (72) is positioned over this hollow bulb place, and screw adjustments (71) is provided with through hole (74) near the barrel at place, bottom.
5. according to the extraction equipment of claim 1 or 2 described pressure-type coffee machines, it is characterized in that: the c-shaped shape in cross section of described cushion rubber (55), the bottom of C tee section slopes inwardly and narrows gradually, forms the elastic packing limit.
6. the extraction equipment of pressure-type coffee machine according to claim 3 is characterized in that: the c-shaped shape in cross section of described cushion rubber (55), the bottom of C tee section slopes inwardly and narrows gradually, forms the elastic packing limit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103058130A CN101627877B (en) | 2009-08-19 | 2009-08-19 | Extraction device of pressure-type coffee machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103058130A CN101627877B (en) | 2009-08-19 | 2009-08-19 | Extraction device of pressure-type coffee machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101627877A CN101627877A (en) | 2010-01-20 |
| CN101627877B true CN101627877B (en) | 2011-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103058130A Expired - Fee Related CN101627877B (en) | 2009-08-19 | 2009-08-19 | Extraction device of pressure-type coffee machine |
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| Country | Link |
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| CN (1) | CN101627877B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107149407B (en) * | 2016-03-04 | 2019-10-11 | 威斯达电器(中山)制造有限公司 | Coffee machine and its control method |
| CN106175460B (en) * | 2016-08-26 | 2022-11-01 | 苏州灵思实业有限公司 | Coffee machine |
| CN106820987A (en) * | 2017-03-31 | 2017-06-13 | 苏州咖博士咖啡系统科技有限公司 | A kind of tea infuser storage pressure adjustable apparatus for coffee machine and beverage machine |
| US11155455B2 (en) * | 2017-10-19 | 2021-10-26 | Carimali S.P.A. | Beverage vending machine |
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2009
- 2009-08-19 CN CN2009103058130A patent/CN101627877B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101627877A (en) | 2010-01-20 |
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Effective date of registration: 20160121 Address after: 529085 Guangdong province Jiangmen city Tangxia town Pengjiang District Jing Kou Cun yuan tou Ling Patentee after: JIANGMEN WINGKIN HOUSEHOLD APPLIANCES Co.,Ltd. Address before: 529085 Guangdong Province, Jiangmen city Pengjiang District Tangxia Town Three Village Village Committee Hu Ling beauty Wangmeili No. 2 Patentee before: Zhou Zhongsen |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |