CN211484080U - Drainage structure of coffee machine - Google Patents
Drainage structure of coffee machine Download PDFInfo
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- CN211484080U CN211484080U CN201921556414.7U CN201921556414U CN211484080U CN 211484080 U CN211484080 U CN 211484080U CN 201921556414 U CN201921556414 U CN 201921556414U CN 211484080 U CN211484080 U CN 211484080U
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Abstract
The utility model provides a coffee machine drainage structures, includes valve body, waste water box, the subassembly of intaking, the subassembly of going out water that communicates each other, its characterized in that: the valve body is provided with a joint and communicated with a valve cap through the joint, the valve cap is provided with a water outlet communicated with the waste water box, a sealing plug is arranged between the valve cap and the joint, and the sealing plug is movably arranged between the valve cap and the joint and is opened or closed on the water outlet during movement; the coffee machine water spraying device is characterized in that an axial channel is arranged between the valve body and the joint, a through hole communicated with the water inlet assembly and the water outlet assembly is formed in the axial channel, a valve core is arranged on the axial channel, and the valve core is movably arranged on the axial channel and is opened or closed on the through hole during movement, so that the water spraying problem of a water outlet of the coffee machine is effectively solved, water splashing, scalding and the like are prevented, and the design of the whole machine is more reasonable. The utility model discloses simple reasonable, low in manufacturing cost, flexible operation, dependable performance, degree of safety height, prevent characteristics such as water clock, the practicality is strong.
Description
Technical Field
The utility model relates to a coffee machine, in particular to a drainage structure of a coffee machine.
Background
In a common pressure coffee machine, hot water is produced by heating a boiler to brew coffee, and after brewing is completed, residual water in a water channel often overflows or is sprayed out from a water outlet, so that scalding damage is easily caused. Chinese patent document No. CN108324112A discloses a water valve for coffee maker in 2018, 3/19/h, specifically disclosing a water valve comprising a valve housing, having a water inlet channel, a water outlet channel, a valve core installation channel and a valve port therein, the water inlet channel being communicated with the valve core installation channel; the valve core assembly is arranged in the valve core mounting channel and comprises a valve core seat with an axial channel, the valve core seat is inserted in the valve core mounting channel and can axially slide, a sealing plug made of flexible materials is arranged in the axial channel of the valve core seat, the sealing plug is propped by a spring arranged in the axial channel to keep the trend of extending out of the front end face of the valve core seat, the sealing plug can block a valve port along with the forward movement of the valve core seat, and the sealing plug can open the valve port along with the backward movement of the valve core seat; and the driving structure is arranged between the valve shell and the valve core seat and used for driving the valve core seat to move back and forth. However, the water valve for the coffee machine adopts a three-way pipe structure to realize the water diversion function, has the defects of multiple connection links, complex assembly process and high cost, and has the defects of single valve core, poor water diversion effect and easy water leakage.
Therefore, further improvements are desired.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a coffee machine drainage structure that simple structure is reasonable, low in manufacturing cost, flexible operation, dependable performance, degree of safety are high, prevent the dribbling to overcome the weak point among the prior art.
According to a coffee machine drainage structures of this purpose design, including valve body, waste water box, the subassembly of intaking, the subassembly of going out water that communicates each other, its characterized in that: the valve body is provided with a joint and communicated with a valve cap through the joint, the valve cap is provided with a water outlet communicated with the waste water box, a sealing plug is arranged between the valve cap and the joint, and the sealing plug is movably arranged between the valve cap and the joint and is opened or closed on the water outlet during movement; an axial channel is arranged between the valve body and the joint, a through hole communicated with the water inlet assembly and the water outlet assembly is arranged on the axial channel, a valve core and an elastic piece are arranged on the axial channel, the valve core is connected with the elastic piece in a matched mode and moves in the axial channel through the elastic piece in an elastic mode, and the valve core is opened or closed in the through hole when moving elastically.
The valve body is also provided with a water inlet channel and a water outlet channel; the water inlet assembly at least comprises a water pump; the water outlet assembly at least comprises a water outlet, the water inlet channel is positioned on one side of the axial channel and is mutually connected with the water pump, and the water outlet channel is positioned on the other side of the axial channel and is connected with the water outlet through a water outlet pipeline;
the valve core is closed on the through hole when the coffee machine is in the initial state, and the sealing plug is positioned between the valve cap and the joint and opens the water outlet when the coffee machine is in the initial state;
the water pump supplies water when the coffee machine works and generates water supply water pressure, the water pump drives the valve plug to movably open the through hole and movably close the sealing plug on the water outlet through the water supply water pressure so as to realize the communication of the water inlet channel, the water outlet channel and the water outlet;
the water outlet pipeline generates backflow water and backflow water pressure when the coffee machine is in a preheating state, and the water outlet pipeline drives the valve plug to movably open the through hole through the backflow water pressure; the sealing plug is positioned between the valve cap and the joint when the coffee machine is in a preheating state, and opens the water outlet so as to realize the communication of the water outlet passage, the axial passage, the water outlet and the waste water box.
One end of the elastic piece elastically acts on the joint, and the other end of the elastic piece elastically acts on the valve core; wherein, the elasticity of the elastic part is smaller than the acting force generated by the water supply pressure and the backflow pressure; the valve core overcomes the elasticity of the elastic part through the acting force generated by the water supply pressure and the return water pressure and movably opens the through hole.
The sealing plug is positioned below the water outlet; the self-gravity of the sealing plug is smaller than the acting force generated by the water supply pressure, and the sealing plug overcomes the self-gravity through the acting force generated by the water supply pressure and is movably closed on the water outlet; the self-gravity of the sealing plug is larger than the acting force generated by the backflow water pressure, the sealing plug overcomes the acting force generated by the backflow water pressure through the self-gravity and movably opens the water outlet.
One end of the valve core is spherical, truncated cone or cylindrical and is opened or closed on the through hole through the spherical, truncated cone or cylindrical shape, the other end of the valve core is provided with an elastic action part, one end of the elastic element elastically acts on the joint, and the other end of the elastic element elastically acts on the elastic action part of the valve core.
The elastic action part is also provided with a valve rod, and the elastic piece is sleeved on the valve rod and elastically acts on the elastic action part.
The outer contour surface of the valve core is provided with a plurality of grooves.
One side of the joint is embedded with the axial passage, the other side of the joint is embedded with the valve cap, an inner cavity is arranged on the joint, and the sealing plug is movably arranged on the inner cavity and is opened or closed on the water outlet when moving.
Still be provided with the sealing washer between joint and the valve cap, connect and pass through sealing washer and valve cap sealed scarf joint.
The water inlet assembly is communicated with the water inlet channel and comprises a water tank, a water outlet valve and a flowmeter; the water outlet assembly is communicated with the water outlet channel and comprises a boiler, a waste water tank, a brewing cavity, a shunt valve and a steam pipe.
The utility model adopts a coffee machine drainage structure, a joint is arranged on the valve body, the valve cap is communicated with the valve body through the joint, a water outlet communicated with the waste water box is arranged on the valve cap, and a sealing plug is arranged between the joint and the valve cap; the sealing plug opens or closes the water outlet when moving, an axial channel is arranged between the valve body and the joint, a through hole communicated with the water inlet assembly and the water outlet assembly is arranged on the axial channel, a valve core is arranged on the axial channel, and the valve core is movably arranged on the axial channel and opens or closes the through hole when moving; the problem of water spray of the water outlet of the coffee machine is effectively solved, water splashing, scalding and the like are prevented, the design of the whole machine is more reasonable, after coffee is brewed, water in a pipeline flows back to a waste water tank, the water is prevented from leaking, and the coffee machine has the advantages of being simple and reasonable, low in manufacturing cost, flexible in operation, reliable in performance, high in safety degree and the like, and is high in practicability.
Drawings
Fig. 1 is a schematic view of a valve body structure according to an embodiment of the present invention.
Fig. 2 and 3 are schematic structural diagrams of the valve element according to the first embodiment of the present invention.
Fig. 4 and 5 are schematic diagrams of water discharge and drainage principles of a coffee machine according to an embodiment of the present invention.
Fig. 6 and 7 are diagrams illustrating the operation of the valve cartridge of an embodiment of the present invention when the coffee maker discharges water.
Fig. 8 is a schematic view of a valve structure according to two embodiments of the present invention.
Fig. 9 and 10 are schematic views of a valve core structure according to a second embodiment of the present invention.
Fig. 11 is a schematic view of a valve structure according to three embodiments of the present invention.
Fig. 12 is a schematic view of a valve core structure according to a third embodiment of the present invention.
Fig. 13 is a schematic structural diagram of a valve body according to four embodiments of the present invention.
Fig. 14 and 15 are schematic views of a valve core structure according to a fourth embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
First embodiment
Referring to fig. 1-7, the coffee machine drainage structure comprises a valve body 19, a waste water box 7, a water inlet assembly and a water outlet assembly which are communicated with each other, wherein the valve body 19 is provided with a joint 16 and communicated with a valve cap 13 through the joint 16, the valve cap 13 is provided with a drainage port 13.1 communicated with the waste water box 7, a sealing plug 14 is arranged between the valve cap 13 and the joint 16, and the sealing plug 14 is movably arranged between the valve cap 13 and the joint 16 and is opened or closed on the drainage port 13.1 during movement; an axial channel 19.3 is arranged between the valve body 19 and the joint 16, a through hole 19.4 communicated with the water inlet assembly and the water outlet assembly is arranged on the axial channel 19.3, a valve core 18 and an elastic element 17 are arranged on the axial channel 19.3, the valve core 18 is matched and connected with the elastic element 17 and elastically moves in the axial channel 19.3 through the elastic element 17, and the valve core 18 is opened or closed in the through hole 19.4 during elastic movement.
The valve body 19 is also provided with a water inlet channel 19.1 and a water outlet channel 19.2; the water inlet assembly at least comprises a water pump 4; the water outlet assembly at least comprises a water outlet 8, the water inlet channel 19.1 is positioned on one side of the axial channel 19.3 and is mutually connected with the water pump 4, and the water outlet channel 19.2 is positioned on the other side of the axial channel 19.3 and is connected with the water outlet 8 through a water outlet pipeline 20;
the valve core 18 is closed on the through hole 19.4 when the coffee machine is in the initial state, the water inlet channel 19.1 and the water outlet channel 19.2 are not communicated with water, and the sealing plug 14 is positioned between the valve cap 13 and the joint 16 and opens the water outlet 13.1 when the coffee machine is in the initial state;
the water pump 4 supplies water when the coffee machine works and generates water supply water pressure, the water pump 4 drives the valve core 18 to movably open the through hole 19.4 and the sealing plug 14 to movably close on the water outlet 13.1 through the water supply water pressure respectively so as to realize the communication of the water inlet channel 19.1, the water outlet channel 19.2 and the water outlet 8, and water cannot flow into the waste water tank 7 from the axial channel 19.3.
When the coffee machine is in a preheating state, the water outlet pipeline 20 generates backflow water and backflow water pressure, and the water outlet pipeline 20 drives the valve core 18 to movably open the through hole 19.4 through the backflow water pressure; the sealing plug 14 is positioned between the valve cap 13 and the joint 16 when the coffee machine is in a preheating state, and opens the water outlet 13.1 to realize the communication of the water outlet passage 19.2, the axial passage 19.3, the water outlet 13.1 and the waste water box 7, and the backflow water can flow into the waste water box 7 from the water outlet passage 19.2, so that the problem of water dripping from the water outlet 8 is solved.
One end of the elastic element 17 elastically acts on the joint 16, and the other end elastically acts on the valve core 18; wherein, the elasticity of the elastic member 17 is smaller than the acting force generated by the water supply pressure and the backflow pressure; the valve core 18 overcomes the elastic force of the elastic element 17 through the acting force generated by the water supply pressure and the return water pressure and movably opens the through hole 19.4.
The sealing plug 14 is positioned below the water outlet 13.1; wherein, the self-gravity of the sealing plug 14 is smaller than the acting force generated by the water supply pressure, and the sealing plug 14 overcomes the self-gravity through the acting force generated by the water supply pressure and is movably closed on the water outlet 13.1; the self-gravity of the sealing plug 14 is larger than the acting force generated by the backflow water pressure, and the sealing plug 14 overcomes the acting force generated by the backflow water pressure through the self-gravity and movably opens the water outlet 13.1.
The elastic action part 18.3 is also provided with a valve rod 18.1, the elastic piece 17 is sleeved on the valve rod 18.1, and the elastic action part 18.3 is elastically acted on.
The joint 16 is in engagement with the axial channel 19.3 on one side and with the valve cap 13 on the other side, the joint 16 is provided with an inner space 16.1, and the sealing plug 14 is movably arranged on the inner space 16.1 and opens or closes the water outlet 13.1 when being moved.
A sealing ring 15 is further arranged between the joint 16 and the bonnet 13, the joint 16 is in sealing engagement with the bonnet 13 through the sealing ring 15, the sealing performance between the joint 16 and the bonnet 13 is further improved, and water leakage between the joint 16 and the bonnet 13 is prevented.
Referring to fig. 4 and 5, the water inlet assembly comprises a water tank 1, a water outlet valve 2 and a flow meter 3 which are communicated with each other, and the third is communicated with a water inlet channel 19.1; the water outlet assembly comprises a boiler 6, a waste water tank 7, a shunt valve 10 and a steam pipe 11 which are communicated with each other, wherein a brewing cavity 9 is arranged on one side of the shunt valve 10, a water outlet 8 is arranged on the brewing cavity 9, the shunt valve 10, the brewing cavity 9 and the water outlet 8 are communicated with each other, and coffee flows into a coffee cup 12 through the water outlet 8.
The working principle of the coffee machine is as follows:
when the coffee machine is in an initial state, the water inlet channel 19.1 and the water outlet channel 19.2 are not communicated, the valve core 18 is naturally closed on the through hole 19.4 through the elasticity of the elastic piece 17, the sealing plug 14 is positioned on the joint 16 and naturally opens the water outlet 13.1, and the axial channel 19.3, the joint 16, the valve cap 13 and the waste water tank 7 are communicated.
When the coffee machine normally works for water outlet, the water pump 4 works, water flows from the water tank 1 to the water inlet channel 19.1 and the water outlet channel 19.2, the water pump 4 generates water supply pressure and drives the valve core 18 to movably open the through hole 19.4 and the sealing plug 14 to movably close on the water outlet 13.1 from left to right in the figure 4, and the sealing plug 14 accordingly seals the axial channel 19.3 and the waste water tank 7, so that the water cannot flow into the waste water tank 7 from the axial channel 19.3.
In the normal preheating process of the coffee machine, the water pump 4 does not work any more to discharge water, the water flows back to the water outlet channel 19.2 from the shunt valve 10 and generates backflow water pressure, the water outlet pipeline 20 drives the valve plug 18 to movably open the through hole 19.4 through the backflow water pressure, the axial channel 19.3 is communicated with the water outlet channel 19.2, the water enters the axial channel 19.3, the water is naturally backflow at the moment, the water pressure is lower than that of the water pump 4 before in pumping, the sealing plug 14 is positioned on the connector 16 and opens the water outlet 13.1 to achieve communication of the water outlet channel 19.2, the axial channel 19.3, the water outlet 13.1 and the waste water box 7, backflow water can flow into the waste water box 7 from the water outlet channel 19.2, and therefore the problem of water dripping at the water outlet 8 is.
Second embodiment
Referring to fig. 8-10, the present coffee maker drainage structure differs from the first embodiment in that: one end of the valve core 18 is in a cone frustum shape and is opened or closed on the through hole 19.4 through the cone frustum shape, the other end of the valve core 18 is provided with an elastic action part 18.3, one end of the elastic piece 17 elastically acts on the joint 16, and the other end elastically acts on the elastic action part 18.3 of the valve core 18, so that the bearing area is increased, and the flow performance of the valve body is improved.
The outer contour surface of the valve core 18 is provided with a plurality of grooves 18.2, so that the cost is saved, and the assembly is convenient.
Other parts not described are the same as those of the first embodiment, and are not explained here.
Third embodiment
Referring to fig. 11 and 12, the present coffee maker drainage structure differs from the first embodiment in that: one end of the valve core 18 is spherical and is opened or closed at the through hole 19.4 through the spherical shape, the other end of the valve core 18 is provided with an elastic action part 18.3, the elastic action part 18.3 is also provided with a valve rod 18.1, the elastic part 17 is arranged on the valve rod 18.1 and elastically acts on the elastic action part 18.3, the valve core has reliable quality and simple processing, the material cost and the processing cost are saved, and the whole structure can be more compact and stable.
Other parts not described are the same as those of the first embodiment, and are not explained here.
Fourth embodiment
Referring to fig. 13-15, the present coffee maker drainage structure differs from the first embodiment in that: one end of the valve core 18 is cylindrical and is opened or closed at the through hole 19.4 through the cylindrical shape, the other end of the valve core 18 is provided with an elastic action part 18.3, the elastic action part 18.3 is further provided with a valve rod 18.1, the elastic part 17 is arranged on the valve rod 18.1 and acts on the elastic action part 18.3, and the valve core has the advantages of simple structure, reasonable design, labor saving, convenient use, low modification cost and good use effect.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, all of which are intended to be covered by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a coffee machine drainage structures, includes valve body (19), waste water box (7), the subassembly of intaking, the subassembly of going out of intercommunication, its characterized in that: the valve body (19) is provided with a joint (16) and communicated with a valve cap (13) through the joint (16), the valve cap (13) is provided with a water outlet (13.1) communicated with the waste water box (7), a sealing plug (14) is arranged between the valve cap (13) and the joint (16), and the sealing plug (14) is movably arranged between the valve cap (13) and the joint (16) and is opened or closed on the water outlet (13.1) during movement; an axial channel (19.3) is arranged between the valve body (19) and the joint (16), a through hole (19.4) communicated with the water inlet assembly and the water outlet assembly is arranged on the axial channel (19.3), a valve core (18) and an elastic piece (17) are arranged on the axial channel (19.3), the valve core (18) is connected with the elastic piece (17) in a matched mode and elastically moves in the axial channel (19.3) through the elastic piece (17), and the valve core (18) is opened or closed in the through hole (19.4) when elastically moving.
2. The coffee machine drainage structure of claim 1, wherein: the valve body (19) is also provided with a water inlet channel (19.1) and a water outlet channel (19.2); the water inlet assembly at least comprises a water pump (4); the water outlet assembly at least comprises a water outlet (8), the water inlet channel (19.1) is positioned on one side of the axial channel (19.3) and is mutually connected with the water pump (4), and the water outlet channel (19.2) is positioned on the other side of the axial channel (19.3) and is connected with the water outlet (8) through a water outlet pipeline (20);
the valve core (18) is closed on the through hole (19.4) when the coffee machine is in the initial state, and the sealing plug (14) is positioned between the valve cap (13) and the joint (16) and opens the water outlet (13.1) when the coffee machine is in the initial state;
the water pump (4) supplies water when the coffee maker works and generates water supply water pressure, the water pump (4) drives the valve core (18) to movably open the through hole (19.4) and movably close the sealing plug (14) on the water outlet (13.1) through the water supply water pressure respectively so as to realize the communication of the water inlet channel (19.1), the water outlet channel (19.2) and the water outlet (8);
the water outlet pipeline (20) generates backflow water and backflow water pressure when the coffee machine is in a preheating state, and the water outlet pipeline (20) drives the valve core (18) to movably open the through hole (19.4) through the backflow water pressure; the sealing plug (14) is positioned between the valve cap (13) and the joint (16) when the coffee machine is in a preheating state, and opens the water outlet (13.1) so as to realize the communication of the water outlet passage (19.2), the axial passage (19.3), the water outlet (13.1) and the waste water box (7).
3. The coffee machine drainage structure of claim 1, wherein: one end of the elastic piece (17) elastically acts on the joint (16), and the other end elastically acts on the valve core (18); wherein, the elasticity of the elastic component (17) is smaller than the acting force generated by the water supply pressure and the backflow pressure; the valve core (18) overcomes the elasticity of the elastic part (17) through the acting force generated by the water supply pressure and the return water pressure and movably opens the through hole (19.4).
4. The coffee machine drainage structure of claim 2, wherein: the sealing plug (14) is positioned below the water outlet (13.1); the self-gravity of the sealing plug (14) is smaller than the acting force generated by the water supply pressure, and the sealing plug (14) overcomes the self-gravity through the acting force generated by the water supply pressure and is movably closed on the water outlet (13.1); the self-gravity of the sealing plug (14) is larger than the acting force generated by the backflow water pressure, the sealing plug (14) overcomes the acting force generated by the backflow water pressure through the self-gravity and movably opens the water outlet (13.1).
5. A drainage structure of a coffee machine according to claim 3, characterized in that: one end of the valve core (18) is spherical, truncated cone or cylindrical and is opened or closed on the through hole (19.4) through the spherical, truncated cone or cylindrical shape, the other end of the valve core (18) is provided with an elastic action part (18.3), one end of the elastic element (17) elastically acts on the joint (16), and the other end elastically acts on the elastic action part (18.3) of the valve core (18).
6. The coffee machine drainage structure of claim 5, wherein: the elastic action part (18.3) is also provided with a valve rod (18.1), the elastic piece (17) is sleeved on the valve rod (18.1) and elastically acts on the elastic action part (18.3).
7. The coffee machine drainage structure of claim 5, wherein: the outer contour surface of the valve core (18) is provided with a plurality of grooves (18.2).
8. The coffee machine drainage structure of claim 1, wherein: one side of the joint (16) is embedded with the axial passage (19.3), the other side of the joint is embedded with the valve cap (13), an inner cavity (16.1) is arranged on the joint (16), and the sealing plug (14) is movably arranged on the inner cavity (16.1) and is opened or closed on the water outlet (13.1) during movement.
9. The coffee machine drainage structure of claim 8, wherein: still be provided with sealing washer (15) between joint (16) and valve cap (13), connect (16) and pass through sealing washer (15) and valve cap (13) sealed scarf joint.
10. The coffee machine drainage structure of claim 2, wherein: the water inlet assembly is communicated with the water inlet channel (19.1) and comprises a water box (1), a water outlet valve (2) and a flowmeter (3); the water outlet component is communicated with the water outlet channel (19.2) and comprises a boiler (6), a waste water box (7), a brewing cavity (9), a shunt valve (10) and a steam pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921556414.7U CN211484080U (en) | 2019-09-18 | 2019-09-18 | Drainage structure of coffee machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921556414.7U CN211484080U (en) | 2019-09-18 | 2019-09-18 | Drainage structure of coffee machine |
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| Publication Number | Publication Date |
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| CN211484080U true CN211484080U (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921556414.7U Active CN211484080U (en) | 2019-09-18 | 2019-09-18 | Drainage structure of coffee machine |
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| CN (1) | CN211484080U (en) |
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- 2019-09-18 CN CN201921556414.7U patent/CN211484080U/en active Active
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