Coffee machine with telescopic water outlet nozzle

Abstract

The coffee machine with the telescopic water outlet nozzle comprises a machine body, a water tank and a brewing unit and further comprises a hydraulic cavity, the water outlet nozzle and a first reset spring are arranged in the hydraulic cavity, the brewing unit comprises a brewing cover and a brewing base, and the brewing cover and the brewing base are folded to form a brewing cavity; a first via hole is formed in the brewing cover, the inner diameter of the first via hole is matched with the first outer diameter of the water outlet nozzle, the hydraulic cavity is used for receiving liquid so as to push the water outlet nozzle out of the hydraulic cavity and penetrate through the first via hole to enter the brewing cavity, and the first reset spring has potential energy for returning the water outlet nozzle back to the hydraulic cavity. The water outlet nozzle can stretch up and down according to the hydraulic principle, and has the advantages that handle operation is omitted, operation is more convenient, and user experience is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to coffee machine technical field, especially a coffee machine with telescopic water outlet nozzle. BACKGROUND

[0002] With the improvement of people's living standards, coffee is more and more popular with the mass consumers, and drinking coffee has become a fashion in people's life, especially for coffee lovers, a cup of fragrant and delicious coffee will greatly improve their work efficiency, and capsule coffee machine, as a device specially used for brewing coffee capsules, has been recognized by more and more people and is widely used. In the prior art, the capsule coffee machine is provided with a pressing device to press the coffee capsule, the capsule cavity is designed as a movable member sliding, and then connected with the power structure such as crank connecting rod, and the pressing operation is manually operated. For example, the pressing device of the anti-capsule cup of the Chinese utility model with the application number CN202021475718.3, the pressing operation is completed by manual operation, and the operating handle needs to have a certain operating space on the machine body. Secondly, with the increasing requirement of people for automation, a machine is needed to be developed, which can complete the compaction and water injection of the capsule without manual operation. SUMMARY

[0003] The technical problem to be solved by the utility model is to provide a coffee machine with a telescopic water outlet nozzle, which does not need manual operation to stretch and retract the water outlet nozzle, and the stretching and retracting of the water outlet nozzle is completed by hydraulic power to enter the water injection and coffee brewing process, so as to overcome the shortcomings of the prior art.

[0004] In order to solve the above technical problems, the technical scheme of the utility model is as follows:

[0005] A coffee machine with a telescopic water outlet nozzle, comprising a machine body, a water tank, a brewing unit, and a hydraulic chamber, wherein the hydraulic chamber is provided with a water outlet nozzle and a first return spring; the brewing unit comprises a brewing cover and a brewing seat, and a brewing cavity is formed by folding the brewing cover and the brewing seat; a first through hole is arranged on the brewing cover, the inner diameter of the first through hole is matched with the first outer diameter of the water outlet nozzle, the hydraulic chamber is used for receiving liquid to push the water outlet nozzle out of the hydraulic chamber and through the first through hole into the inside of the brewing cavity, and the first return spring has potential energy to retract the water outlet nozzle into the hydraulic chamber.

[0006] The water outlet nozzle is connected with a pressure limiting valve seat, a mushroom head and a second return spring are arranged in the valve cavity of the pressure limiting valve seat, the second return spring pushes the mushroom head to close the valve port of the pressure limiting valve seat, the valve cavity is communicated with the inner tube of the water outlet nozzle, and the valve port is communicated with the hydraulic chamber.

[0007] A capsule seat is arranged in the brewing cavity, and the capsule seat is used for accommodating a capsule.

[0008] The capsule seat is mounted on the brewing cover, the outer side of the capsule seat is provided with a sink cavity, a second through hole is arranged on the edge of the sink cavity, the base of the piercing needle is mounted on the sink cavity, and the needle foot of the piercing needle penetrates through the second through hole and extends into the inner cavity of the capsule seat.

[0009] The first vertical wall of the machine body is provided with a cup seat recess, the top of the cup seat recess is hollowed out, the cup seat recess has a horizontal bottom wall, and the rear wall of the cup seat is provided with an outwardly protruding mounting wall.

[0010] The first vertical wall is provided with at least two rows of cup seat recesses at different height positions.

[0011] The machine body is provided with a drawer cavity, and the drawer cavity is used for accommodating the brewing cover and the brewing seat.

[0012] The outer side of the brewing cover is mounted with a drawer handle.

[0013] The above technical scheme has the following beneficial effects:

[0014] The utility model discloses a water outlet nozzle can be telescopic up and down by hydraulic principle, has the advantage of exempting handle operation, and operation is more convenient, and user experience is good. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawing needed to be used in the embodiment or the prior art description. Obviously, the drawing in the following description is only exemplary, and for those skilled in the art, other implementation drawings can be obtained according to the provided drawing without creating labor.

[0016] The structure, proportion, size and the like shown in the specification are only used to cooperate with the content disclosed in the specification, for understanding and reading by those skilled in the art, and are not used to limit the limiting conditions that the utility model can be implemented, so they do not have the substantial meaning of technology, any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose that the utility model can produce, should still fall within the scope of the technical content disclosed by the utility model.

[0017] Figure 1 It is a perspective view of the coffee machine of the utility model.

[0018] Figure 2 It is a sectional view of the brewing unit of the coffee machine of the utility model.

[0019] Figure 3 It is a sectional view of the brewing unit of the coffee machine of the utility model.

[0020] Figure 4 The capsule seat structure schematic diagram of the utility model.

[0021] Figure 5 The cup seat structure schematic diagram of the utility model.

[0022] Figure 6 The coffee machine cup seat sectional view of the utility model.

[0023] Figure 7 The first vertical wall structure schematic diagram of the utility model. DETAILED DESCRIPTION

[0024] The specific embodiments of the utility model will be further described below in conjunction with the drawings. It needs to be explained here that the description of these embodiments is used to help understanding the utility model, but does not constitute the limitation to the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0025] Referring to Figures 1-7 The utility model discloses a coffee machine with telescopic water outlet nozzle, including body 100, water tank 20, brewing unit 10, still including hydraulic chamber, the internal cavity that is formed by the thread connection of liquid outlet pipe 1 and water outlet nozzle seat 2 constitutes, the first reset spring 16 is arranged in the hydraulic chamber, and the brewing unit includes brewing cover 7, brewing seat 9, and the brewing cavity is formed by the folding of brewing cover and brewing seat. First through hole is arranged on the brewing cover, and the inner diameter of the first through hole is matched with the first outer diameter of the water outlet nozzle, the hydraulic chamber is used for receiving liquid to push the water outlet nozzle out of the hydraulic chamber and passes through the first through hole and enters the inside of the brewing cavity, and the first reset spring has the potential energy of returning the water outlet nozzle to the hydraulic chamber. The water outlet nozzle is connected with the pressure limiting valve seat 4, the mushroom head 5 and the second reset spring 15 are arranged in the valve cavity of the pressure limiting valve seat 4, the second reset spring pushes the mushroom head to close the valve port of the pressure limiting valve seat 4, the valve cavity is communicated with the inner tube of the water outlet nozzle, and the valve port is communicated with the hydraulic chamber.

[0026] The liquid outlet pipe 1 is connected with the waterway of the coffee machine, the water of the water tank enters the electric heater and is heated and enters the hydraulic chamber through the pipeline, and the water outlet nozzle 6 is threadedly connected with the pressure limiting valve seat 4, and a sealing ring is arranged on the connecting end face to seal. The first outer side wall of the pressure limiting valve seat 4 is provided with a ring groove, and a built-in sealing ring is arranged, so that the pressure limiting valve seat 4 and the inner wall of the liquid outlet pipe 1 form a seal. The nozzle seat 2 has a positioning step, when the pressure limiting valve seat 4 moves downwards under the water pressure above it and touches the positioning step of the nozzle seat 2, the water outlet nozzle 6 reaches the stroke stop of stretching downwards, at this time, the water pressure is further increased, the pressure pushes the mushroom head 5 open, the hot water in the hydraulic chamber enters the valve cavity of the pressure limiting valve seat 4 through the valve port, and then enters the brewing cavity through the water outlet nozzle. When the water pressure above the pressure limiting valve seat 4 decreases, it is pushed upwards by the first reset spring 16, and the water outlet nozzle returns.

[0027] The brewing cavity is provided with a capsule seat 8 for accommodating a capsule.

[0028] The capsule seat 8 is mounted on the brewing cover 7, and the outer side of the capsule seat 8 is provided with a sink cavity 82, and a second through hole 821 is arranged at the edge of the sink cavity, the base of the piercing needle is mounted on the sink cavity 82, and the needle foot of the piercing needle penetrates through the second through hole and extends into the inner cavity of the capsule seat 8. The bottom center of the sink cavity 82 is provided with a water injection hole 83, and three lower water holes 84 with smaller diameters are arranged around the water injection hole 83, and the base of the piercing needle is correspondingly provided with small holes corresponding to the water injection hole 83 and the lower water holes 84. The base small holes of the piercing needle are superimposed with the water injection hole 83 and the lower water holes 84, and the hot water flowing out of the water outlet nozzle passes through the water injection hole 83, the lower water holes 84 and the small holes of the piercing needle, and then enters the inner cavity of the capsule seat 8 and the coffee capsule, and then extracts the coffee liquid.

[0029] As shown in Figures 3-4 The capsule seat 8 is fixed on the brewing cover 7 by the mounting column 81 through screws, and the capsule seat 8 is inverted, and the opening is located at the bottom. An edge groove is arranged at the opening edge of the capsule seat 8, and an O-shaped sealing ring is arranged in the groove. A capsule pressing plate 11 is arranged below the capsule seat 8, and a plurality of trapezoidal protrusions penetrating the upper surface of the capsule pressing plate 11 are uniformly distributed, which are used to tear the surface of the coffee capsule.

[0030] The first vertical wall 30 of the machine body 100 is provided with a cup seat recess 301, and the top of the cup seat recess 301 is hollow. The cup seat recess 301 has a horizontal bottom wall 302. The rear wall of the cup seat 3 is provided with an outwardly protruding mounting wall 32, and the mounting wall extends upwardly to form a vertical column 31. The first vertical wall 30 is provided with at least two rows of cup seat recesses 301 at different height positions. When the cup seat is installed, the vertical column 31 is inserted into the cup seat recess 301 so as to extend into the top hollow of the cup seat recess 301, and the mounting wall 32 is placed on the horizontal bottom wall 302, so that the cup seat is fixed. The cup seat recesses arranged at different height positions can adjust the distance between the cup seat and the coffee outlet, so as to adapt to the use occasions of high cups and low cups.

[0031] A drawer cavity is arranged on the machine body, and the drawer cavity is used to accommodate the brewing cover 7 and the brewing seat 9. The outer side of the brewing cover 7 is provided with a drawer handle 12. Therefore, after the extraction of the coffee liquid is completed, the water outlet nozzle is withdrawn into the hydraulic cavity, and the brewing cover 7 and the brewing seat 9 can be taken out of the drawer by holding the drawer handle 12, so as to replace a new capsule.

[0032] The embodiments of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and still fall within the protection scope of the utility model.

Claims

1. A coffee machine with a telescopic water outlet spout, comprising a body (100), a water tank (20), a brewing unit (10), characterized in that: Further comprising a hydraulic cavity, a water outlet nozzle (6) and a first reset spring (16) are arranged in the hydraulic cavity, the brewing unit comprises a brewing cover (7) and a brewing seat (9), a brewing cavity is formed by folding the brewing cover and the brewing seat, a first through hole is arranged on the brewing cover, an inner diameter of the first through hole is matched with a first outer diameter of the water outlet nozzle, the hydraulic cavity is used for receiving liquid to push the water outlet nozzle out of the hydraulic cavity and into the brewing cavity through the first through hole, the first reset spring has potential energy to return the water outlet nozzle to the hydraulic cavity.

2. The coffee maker with a telescopic water outlet nozzle according to claim 1, characterized in that: The water outlet nozzle is connected with a pressure limiting valve seat (4), a mushroom head (5) and a second reset spring (15) are arranged in a valve cavity of the pressure limiting valve seat (4), the second reset spring pushes the mushroom head to close a valve port of the pressure limiting valve seat (4), the valve cavity is communicated with an inner tube of the water outlet nozzle, and the valve port is communicated with the hydraulic cavity.

3. The coffee maker with a telescopic water outlet according to claim 2, characterized in that: A capsule seat (8) is arranged in the brewing cavity, and the capsule seat (8) is used for accommodating a capsule.

4. The coffee maker having a telescoping spout in accordance with claim 3, wherein: The capsule seat (8) is mounted on the brewing cover (7), an outer side of the capsule seat (8) is provided with a sunken cavity (82), a second through hole is arranged at an edge of the sunken cavity, a base of a piercing needle is mounted on the sunken cavity (82), and a needle foot of the piercing needle extends into an inner cavity of the capsule seat (8) through the second through hole.

5. The coffee maker with a telescopic water outlet nozzle according to claim 1, characterized in that: A cup seat recess (301) is arranged on a first vertical wall (30) of the machine body (100), a top of the cup seat recess (301) is hollowed out, the cup seat recess (301) has a horizontal bottom wall (302), and a rear wall of a cup seat (3) is provided with an outwardly protruding mounting wall (32), the mounting wall extends upwardly to have a vertical column (31).

6. The coffee maker having a telescoping spout in accordance with claim 5, wherein: The first vertical wall (30) is provided with at least two rows of cup seat recesses (301) at different height positions.

7. The coffee maker with a telescopic water outlet spout according to any one of claims 1 to 6, characterized in that: A drawer cavity is arranged on the machine body, and the drawer cavity is used for accommodating the brewing cover (7) and the brewing seat (9).

8. The coffee maker having a telescoping spout in accordance with claim 7, wherein: A drawer handle (12) is mounted on an outer side of the brewing cover (7).

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