CN201492292U - Extraction device of pressure coffee makers - Google Patents
Extraction device of pressure coffee makers Download PDFInfo
- Publication number
- CN201492292U CN201492292U CN2009203083744U CN200920308374U CN201492292U CN 201492292 U CN201492292 U CN 201492292U CN 2009203083744 U CN2009203083744 U CN 2009203083744U CN 200920308374 U CN200920308374 U CN 200920308374U CN 201492292 U CN201492292 U CN 201492292U
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- CN
- China
- Prior art keywords
- briquetting
- pressing block
- water
- pressure
- auxiliary
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- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to an extraction device of pressure coffee makers, which comprises a squeezing assembly driven by a handle and capable of moving up and down; the bottom part of the squeezing assembly is provided with a water drainage pressing block, the middle of which is provided with a water inlet in a manner of extending upwards, a fixed base, corresponding to the drainage pressing block, is arranged below a coffee maker, the fixed base is internally provided with a coffee collector and a filter screen, the bottom part of the water drainage pressing block is provided with an inner concave cavity which is internally provided with an auxiliary pressing block capable of being pushed by water pressure to move downwards, a limiting device for limiting the maximal downward-movement distance of the auxiliary pressing block is further arranged between the water drainage pressing block and the auxiliary pressing block, the auxiliary pressing block is provided with a small water inlet hole in the middle thereof and is peripherally provided with a circumferential groove which is sheathed with a water-dividing sealing ring, the bottom part of the auxiliary pressing block is provided with a groove and is provided with a rubber ring corresponding to the position of an upper flange of the filter screen, and at the bottom part of the auxiliary pressing block, the inner side surrounded by the groove and the filter screen jointly form a coffee extraction cavity; and the product is structurally reasonable, convenient in operation and labor-saving.
Description
Technical field
The utility model 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.
The utility model content
In order to overcome the deficiencies in the prior art, the utility model provide a kind of rational in infrastructure, operation is light, the extraction equipment of labour-saving pressure-type coffee machine.
The technical scheme that the utility model adopted 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, auxiliary briquetting bottom is provided with groove and cushion rubber is installed, cushion rubber is corresponding with the position of screen pack upper flange, and inboard and screen pack that described auxiliary briquetting bottom is surrounded by groove form the coffee extracted chamber jointly.
Further improvement of the utility model, 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, T type metallic sheath top is provided with flanging outwardly, 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 utility model, 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 beneficial effects of the utility model are: 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
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a decomposing schematic representation of the present utility model;
Fig. 3 is the part enlarged diagram of Fig. 2;
Fig. 4 is a sectional structure chart of the present utility model;
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 is corresponding with the position of screen pack 42 upper flanges, and auxiliary briquetting 5 bottoms form coffee extracted chamber 6 jointly by inboard and the screen pack 42 that groove 54 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 utility model has also been 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 utility model is not limited to the above embodiments, is equal to the utility model or the similar techniques scheme also should belong within the protection domain of the present utility model.
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 (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) 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, cushion rubber (55) is corresponding with the position of screen pack (42) upper flange, and inboard and screen pack (42) that described auxiliary briquetting (5) bottom is surrounded by groove (54) form coffee extracted chamber (6) 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 (6) on extension (56) external screw thread, T type metallic sheath (6) 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 (22) that adapts with flanging (61) external diameter, and the external diameter of T type metallic sheath (22) 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, 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.
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 |
|---|---|---|---|
| CN2009203083744U CN201492292U (en) | 2009-08-19 | 2009-08-19 | Extraction device of pressure coffee makers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203083744U CN201492292U (en) | 2009-08-19 | 2009-08-19 | Extraction device of pressure coffee makers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201492292U true CN201492292U (en) | 2010-06-02 |
Family
ID=42435502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203083744U Expired - Lifetime CN201492292U (en) | 2009-08-19 | 2009-08-19 | Extraction device of pressure coffee makers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201492292U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106419560A (en) * | 2016-11-30 | 2017-02-22 | 武汉工程大学 | Pressurizing-type portable coffee extraction equipment |
| WO2017148409A1 (en) * | 2016-03-04 | 2017-09-08 | 威斯达电器(中山)制造有限公司 | Coffee maker and control method therefor |
| CN114176394A (en) * | 2020-09-14 | 2022-03-15 | 宁波方太厨具有限公司 | Variable-pressure extraction device and coffee machine and tea extraction machine comprising same |
-
2009
- 2009-08-19 CN CN2009203083744U patent/CN201492292U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017148409A1 (en) * | 2016-03-04 | 2017-09-08 | 威斯达电器(中山)制造有限公司 | Coffee maker and control method therefor |
| CN106419560A (en) * | 2016-11-30 | 2017-02-22 | 武汉工程大学 | Pressurizing-type portable coffee extraction equipment |
| CN106419560B (en) * | 2016-11-30 | 2019-05-28 | 武汉工程大学 | The portable coffee extracted equipment of booster-type |
| CN114176394A (en) * | 2020-09-14 | 2022-03-15 | 宁波方太厨具有限公司 | Variable-pressure extraction device and coffee machine and tea extraction machine comprising same |
| CN114176394B (en) * | 2020-09-14 | 2023-03-31 | 宁波方太厨具有限公司 | Variable-pressure extraction device and coffee machine and tea extraction machine comprising same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100602 Effective date of abandoning: 20090819 |