CN214433712U - Suction pressure relief valve of pressure coffee machine - Google Patents
Suction pressure relief valve of pressure coffee machine Download PDFInfo
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- CN214433712U CN214433712U CN202022597160.2U CN202022597160U CN214433712U CN 214433712 U CN214433712 U CN 214433712U CN 202022597160 U CN202022597160 U CN 202022597160U CN 214433712 U CN214433712 U CN 214433712U
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Abstract
The utility model relates to the field of relief valves, in particular to a suction relief valve of a pressure coffee machine, which comprises an upper valve cover, a water inlet pipe, a valve body, an upper cover sealing ring, a lower cover sealing ring, a valve core, a spring, a pressure relief sealing gasket, a pressure relief pipe, a water outlet pipe, a lower valve cover, a water inlet pipe arranged on the upper valve cover, a pressure relief pipe arranged on the lower valve cover, an upper valve cover and a lower valve cover assembled at two ends of the valve body, and a water outlet pipe arranged on the valve body; an upper cover sealing ring and a lower cover sealing ring are respectively arranged between the upper valve cover, the lower valve cover and the valve body to prevent leakage; the valve core is arranged in the valve body and is separated by sealing silica gel to form a water inlet cavity, a water outlet cavity and a pressure relief cavity, and a spring is arranged between the valve body and the valve body to enable the valve core to move up and down so as to enable the valve rod to close or open the pressure relief pipe. The utility model discloses the structure can mass production to solve the inherent water pump of pressure coffee machine and draw water and two big problems of internal pressure release.
Description
Technical Field
The utility model belongs to the technical field of the coffee machine relief valve and specifically relates to a pressure coffee machine relief valve of breathing in.
Background
The water in the pipeline of the existing pressure coffee machine is evaporated after the existing pressure coffee machine is placed for a period of time, or the residual water in the pipeline is required to be removed after the new pressure coffee machine is assembled. Therefore, when the coffee maker is restarted, water does not exist in the pipe, the water outlet pipe of the water pump is sealed by back pressure and cannot be pumped, so that the heating block is protected from being overheated, a consumer misjudges the coffee maker, and the use satisfaction of the consumer is reduced. In addition, after the pressure coffee machine cooks coffee, residual pressure exists in the coffee machine, the handle is difficult to open, and steam can be sprayed out after the coffee machine is opened, so that the hidden danger of hurting people exists. The problem to be solved is to provide a relief valve with an air suction valve and an electromagnetic three-way valve; namely, two valve bodies are installed at the same time, so that the production and assembly processes are various and the production cost is high.
Therefore, improvements to the prior art are yet to be made.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pressure coffee machine relief valve of breathing in aims at solving current pressure coffee machine and adopts double valve body to solve the problem that coffee machine residual pressure and pipe sewage caused the fast overtemperature protection that generates heat, causes product assembly process numerous, technical problem that manufacturing cost is high.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: a suction and decompression valve of a pressure coffee machine comprises an upper valve cover, a valve body, a valve core, a spring and a lower valve cover, wherein the valve core is arranged in the valve body, a valve core sealing ring is arranged between the valve core and the valve body, the spring is arranged between the valve core and the valve body, a decompression sealing gasket is arranged at the bottom of the valve core, the upper valve cover is arranged on the valve body, an upper cover sealing ring is arranged in the middle of the upper valve cover, the lower valve cover is arranged at the lower end of the valve body, and a lower cover sealing ring is arranged between the lower valve cover and the valve body; the upper valve cover is provided with a water inlet pipe, the valve body is provided with a water outlet pipe, the lower valve cover is provided with a pressure relief pipe, the valve core divides the inner cavity positioned in the valve body into a water inlet cavity and a water outlet cavity, and the water inlet cavity is communicated with the water outlet cavity through a small hole of the valve core; a separation wall is arranged in the valve body, so that a pressure relief cavity is formed at the lower part of the valve body, and the pressure relief cavity is communicated with the water outlet cavity through a small hole formed in the separation wall; the valve core can move up and down in the cavity, so that the pressure relief cavity is communicated with the pressure relief pipe, and the spring is arranged between the valve core and the valve body, so that the valve core can reciprocate up and down under the action of water pressure and elasticity.
The pressure coffee machine suction and decompression valve is characterized in that the valve core is made of plastic or hardware, a valve core small hole is formed in the middle of the top of the valve core, a core column of the valve core is provided with a large hole communicated with the valve core small hole, and the large hole and the valve core small hole form a unique water flow channel between the water inlet cavity and the water outlet cavity.
The pressure coffee machine suction and decompression valve is characterized in that one end of the spring is positioned at the bottom of the piston part of the valve core, and the other end of the spring is positioned on the partition wall of the valve body.
The pressure coffee machine suction pressure relief valve, wherein, the outlet pipe is communicated with the water outlet cavity, and the valve body is divided into the water outlet cavity and the pressure relief cavity by the partition wall.
The suction and pressure relief valve of the pressure coffee machine is characterized in that the water inlet pipe is positioned at the top of the upper valve cover.
The pressure coffee machine suction and pressure relief valve is characterized in that the pressure relief pipe is positioned at the bottom of the lower valve cover.
The pressure coffee machine suction and decompression valve is characterized in that the lower valve cover and the valve body form a decompression cavity.
The pressure coffee machine suction pressure relief valve is characterized in that a pressure relief opening is formed between the pressure relief pipe and the pressure relief cavity, a valve core provided with a pressure relief sealing gasket is arranged on the pressure relief opening, and the pressure relief opening is opened or closed by the valve core in the vertical movement process.
Has the advantages that: the utility model has the advantages that the air suction valve and the pressure release valve are combined into one, the assembly space is reduced, and the production flow is simplified; greatly reduces the material cost, the production cost and the material management cost of the whole machine, and has compact structure. When the water pump is short of water in the working process, the exhaust valve is opened to exhaust air so as to be beneficial to pumping water by the water pump; after the work is finished, the pressure can be released immediately to reduce water dripping and facilitate the opening of the handle of the powder container. Furthermore, the utility model discloses the structure can mass production to solve the inherent water pump of pressure coffee machine and draw water and two big problems of internal pressure release.
Drawings
Fig. 1 is a top side view of the present invention.
Fig. 2 is a bottom side view of the present invention.
Fig. 3 is an exploded view of the present invention.
Fig. 4 is a front view of the present invention.
Fig. 5 is a sectional view taken along line a-a of fig. 4 according to the present invention.
Fig. 6 is a cross-sectional view of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be described in further detail below with reference to the accompanying drawings and examples.
As shown in fig. 1-6, the utility model discloses a pressure coffee machine suction relief valve, it includes valve upper cover 1, valve body 6, case 3, spring 4 and valve lower cover 9, case 3 is installed in valve body 6, installs case sealing washer 2 between case 3 and the valve body 6, is equipped with spring 4 between case 3 and the valve body 6, and the bottom of case 3 is installed pressure relief sealing gasket 7, valve upper cover 1 is installed on valve body 6, and the centre is equipped with upper cover sealing washer 5, valve lower cover 9 is installed at the lower extreme of valve body 6, and is equipped with lower cover sealing washer 8 between valve lower cover 9 and valve body 6; the upper valve cover 1 is provided with a water inlet pipe 10, the valve body 6 is provided with a water outlet pipe 11, the lower valve cover 9 is provided with a pressure relief pipe 12, the inner cavity of the valve body 6 is divided into a water inlet cavity 13 and a water outlet cavity 16 by the valve core 3, and the water inlet cavity 13 is communicated with the water outlet cavity 16 through a small valve core hole 14; a separation wall 60 is arranged in the valve body 6, so that a pressure relief cavity 18 is formed at the lower part of the valve body 6, and the pressure relief cavity 18 is communicated with the water outlet cavity 16 through a small hole 17 formed in the separation wall 60; the valve core 3 can move up and down in the cavity, so that the pressure relief cavity 18 is communicated with the pressure relief pipe 12, and the spring 4 is arranged between the valve core 3 and the valve body 6, so that the valve core 3 can reciprocate up and down under the action of water pressure and elasticity.
After the structure of the oil-water separator is adopted, the utility model discloses a case is built-in the valve body, so constitute intake antrum 13, play water cavity 16 and pressure release chamber 18 with valve upper cover, valve lower cover respectively, wherein intake antrum 13 with go out between the water cavity 16 through set up case aperture 14 in the middle of the case through macropore 15 with go out water cavity 16 intercommunication, go out the water cavity and release and communicate through aperture 17 between the pressure release chamber. Because the valve core sealing ring 2 is arranged between the valve core 3 and the valve body 6, the water inlet cavity 13 is separated from the water outlet cavity 16 by the valve core 3; when the valve core 3 works, the valve core 3 reciprocates up and down under the action of the pressure of water and the elastic force of the spring 4, and meanwhile, the pressure relief sealing gasket 7 is arranged at the bottom of the valve core 3, and the pressure relief sealing gasket 7 opens or closes the pressure relief opening 19 in the working process of the valve core 3. The utility model discloses utilize valve body and case, valve lower cover, valve upper cover, form the intake antrum, go out the water cavity and let out the pressure chamber, so the inside pipeline forms the negative pressure because of the air escape, thereby the water tank water gets into the water pump through the pipeline and has solved the problem of taking out not water, overcomes coffee pipeline backpressure and gets into coffee powder and accomplish coffee and make, relieves in inside pipeline pressure simultaneously, the handle of pressure coffee machine just can easily be opened to can eliminate steam blowout and hinder people's accident. So the utility model discloses an inner structure of single valve body has replaced the adoption bivalve body structure, can mass production, and product assembly process reduces, reduction in production cost to solve the inherent water pump of pressure coffee machine and draw water and two big problems of internal pressure release.
The pressure relief cavity 18 and the pressure relief port 19 are kept in a communicated or closed state according to working conditions, wherein the pressure relief sealing gasket 7 ensures a necessary sealing state of the pressure relief port 18 under corresponding conditions, the pressure coffee machine air suction pressure relief valve is characterized in that the valve core 3 is made of plastic or hardware, the middle of the top of the valve core 3 is provided with a valve core small hole 14, a core column of the valve core 3 is provided with a large hole 15 communicated with the valve core small hole 14, and the large hole 15 and the valve core small hole 14 form a unique water flow channel between the water inlet cavity 13 and the water outlet cavity 16.
Because the valve core 3 and the inner wall of the valve body 6 are sealed by the valve core sealing ring, the valve core small hole 14 can be ensured to be the only channel connecting the water inlet cavity 13 and the water outlet cavity 16, and preferably, the valve core sealing ring is a sealing silica gel ring.
The pressure coffee machine suction and decompression valve is characterized in that one end of the spring is positioned at the bottom of the piston part of the valve core, and the other end of the spring is positioned on the partition wall of the valve body; the valve core 3 reciprocates up and down under the pressure of water and the elastic force of the spring 4.
The suction and pressure relief valve of the pressure coffee machine is characterized in that the water outlet pipe 11 is communicated with the water outlet cavity 16, and the valve body 6 is divided into the water outlet cavity 16 and the pressure relief cavity 18 by the partition wall.
The suction and pressure relief valve of the pressure coffee machine is characterized in that the water inlet pipe 10 is positioned at the top of the valve upper cover 1.
The pressure relief pipe 12 is located at the bottom of the valve lower cover 9.
The lower valve cover 9 and the valve body form a pressure relief cavity 18.
The pressure relief port 19 is arranged between the pressure relief pipe 12 and the pressure relief cavity 18, the valve core 3 provided with the pressure relief sealing gasket 7 is arranged on the pressure relief port 19), and the valve core 3 opens or closes the pressure relief (19; therefore, the pressure relief cavity 18 and the pressure relief opening 19 are communicated or closed according to working conditions, and the pressure relief sealing gasket 7 ensures the necessary sealing state of the pressure relief opening 18 under corresponding conditions.
The utility model discloses a work flow: when the pressure coffee machine works, if the pipeline is anhydrous, the pipeline air enters the water inlet cavity 13 through the water inlet pipe 10 of the air suction pressure relief valve in the state that the water pump continuously pumps water, the pressure caused by the air flow rate is limited and is not enough to push the valve core 3 to overcome the elasticity of the spring 4 to move downwards, and the water outlet pipe 11 is closed due to the characteristics of the pressure coffee machine. At the moment, the gas enters a water outlet cavity 16 through a small valve core hole 14 and a large hole 15 in the middle of the valve core, then enters a pressure relief cavity 18 through a small hole 17 on a partition wall in the valve body 6, a pressure relief sealing gasket 7 at the bottom of the valve core 3 is separated from a pressure relief opening 19, and the air in the pressure relief cavity 18 is directly exhausted to the external space through the pressure relief opening 19 and the pressure relief pipe 12. The internal pipeline forms the negative pressure because of the air discharge afterwards, thereby the water tank water gets into the water pump through the pipeline and has solved the problem of not taking out the water.
When the pressure coffee machine works, if water exists in the pipeline, when the water enters the water inlet pipe 10 and flows into the water inlet cavity 13, the water flow must enter the water outlet cavity 16 after passing through the valve core small hole 14 and the large hole 15 in the middle of the valve core 3 due to the sealing between the valve core 3 and the valve body 6, the pressure difference between the water inlet cavity 13 and the water outlet cavity 16 is generated under the pressure building action of the valve core small hole 14, and the valve core 3 is pushed to move downwards under the action of the pressure to overcome the elasticity of the spring 4; the bottom pressure relief gasket 7 seals the pressure relief port 19 after the valve core 3 moves downward. At this time, water entering the pressure relief chamber 18 from the water outlet chamber 16 through the small hole 17 cannot flow out through the pressure relief port 19. Water which cannot flow out of the pressure relief port 19 can only enter coffee powder through the water outlet pipe 11 to overcome the back pressure of a coffee pipeline, so that coffee brewing is completed.
After the pressure coffee machine works, because the water pump stops pumping water, the pressure difference between the water inlet cavity 13 and the water outlet cavity 16 and the pressure relief cavity 18 is eliminated immediately at the moment, pressure balance is achieved, the valve core 3 moves upwards under the action of the spring force, the pressure relief sealing gasket 7 at the bottom of the valve core 3 is separated from the pressure relief opening 19, the air suction pressure relief valve and water remained in a coffee machine pipeline are discharged to an external space through the pressure relief pipe 12 under the action of internal pressure, so that the pressure of the internal pipeline is relieved, the handle of the pressure coffee machine can be opened easily, and the accident that steam is sprayed out to injure people can be eliminated.
Compared with the prior art, the utility model: 1. the air suction valve and the pressure release valve and the second valve are a reduced assembly space, so that the production flow is simplified; 2. greatly reduces the material cost, the production cost and the material management cost of the whole machine, and has compact structure.
The above is a preferred embodiment of the present invention, and certainly not to limit the scope of the present invention, it should be noted that, for those skilled in the art, modifications or equivalent substitutions of the technical solutions of the present invention without creative efforts may not depart from the protection scope of the technical solutions of the present invention.
Claims (9)
1. The suction and decompression valve of the pressure coffee machine is characterized by comprising an upper valve cover (1), a valve body (6), a valve core (3), a spring (4) and a lower valve cover (9), wherein the valve core (3) is arranged in the valve body (6), a valve core sealing ring (2) is arranged between the valve core (3) and the valve body (6), the spring (4) is arranged between the valve core (3) and the valve body (6), a decompression sealing gasket (7) is arranged at the bottom of the valve core (3), the upper valve cover (1) is arranged on the valve body (6), an upper cover sealing ring (5) is arranged in the middle of the upper valve cover, the lower valve cover (9) is arranged at the lower end of the valve body (6), and a lower cover sealing ring (8) is arranged between the lower valve cover (9) and the valve body (6); the water inlet valve is characterized in that the upper valve cover (1) is provided with a water inlet pipe (10), the valve body (6) is provided with a water outlet pipe (11), the lower valve cover (9) is provided with a pressure relief pipe (12), the valve core (3) divides an inner cavity positioned in the valve body (6) into a water inlet cavity (13) and a water outlet cavity (16), and the water inlet cavity (13) is communicated with the water outlet cavity (16) through a small valve core hole (14); a separation wall (60) is arranged in the valve body (6), so that a pressure relief cavity (18) is formed at the lower part of the valve body (6), and the pressure relief cavity (18) is communicated with the water outlet cavity (16) through a small hole (17) formed in the separation wall; the valve core (3) can move up and down in the cavity, so that the pressure relief cavity (18) is communicated with the pressure relief pipe (12), and the spring (4) is arranged between the valve core (3) and the valve body (6), so that the valve core (3) can move up and down in a reciprocating manner under the action of water pressure and elasticity.
2. The suction and pressure relief valve of the pressure coffee machine according to claim 1, wherein the valve core (3) is made of plastic or hardware, a small valve core hole (14) is formed in the middle of the top of the valve core (3), a large hole (15) communicated with the small valve core hole is formed in a core column of the valve core (3), and the large hole (15) and the small valve core hole (14) form a unique water flow channel between the water inlet cavity (13) and the water outlet cavity (16).
3. Suction and pressure relief valve for a pressure coffee machine according to claim 1, characterized in that said spring (4) has one end located at the bottom of the piston part of the cartridge (3) and the other end located at the dividing wall of the valve body (6).
4. A suction and pressure relief valve for a pressure coffee machine according to claim 1, characterized in that the outlet pipe (11) communicates with the outlet chamber (16) and that the separating wall divides the valve body (6) into the outlet chamber (16) and the pressure relief chamber (18).
5. Pressure coffee machine suction and pressure relief valve according to claim 1, characterized in that the inlet pipe (10) is located at the top of the valve upper cover (1).
6. A pressure coffee machine suction and pressure relief valve according to claim 1, characterized in that the pressure relief tube (12) is located at the bottom of the valve lower cover (9).
7. A suction and pressure relief valve for a pressure coffee machine according to claim 1, characterized in that said lower valve cover (9) and said valve body constitute a pressure relief chamber (18).
8. The suction and pressure relief valve of the pressure coffee machine according to claim 1, characterized in that a pressure relief port (19) is provided between the pressure relief pipe (12) and the pressure relief cavity, a valve core (3) provided with a pressure relief gasket (7) is provided above the pressure relief port (19), and the valve core (3) opens or closes the pressure relief port (19) during the up-and-down movement.
9. The suction and pressure relief valve of a pressure coffee machine as claimed in claim 1, characterized in that the upper valve cover (1) and the lower valve cover (9) are respectively mounted on both ends of the valve body (6) by means of a snap fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022597160.2U CN214433712U (en) | 2020-11-11 | 2020-11-11 | Suction pressure relief valve of pressure coffee machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022597160.2U CN214433712U (en) | 2020-11-11 | 2020-11-11 | Suction pressure relief valve of pressure coffee machine |
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| Publication Number | Publication Date |
|---|---|
| CN214433712U true CN214433712U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022597160.2U Active CN214433712U (en) | 2020-11-11 | 2020-11-11 | Suction pressure relief valve of pressure coffee machine |
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| CN (1) | CN214433712U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115568759A (en) * | 2022-12-08 | 2023-01-06 | 广东新宝电器股份有限公司 | Brewing system of coffee machine |
-
2020
- 2020-11-11 CN CN202022597160.2U patent/CN214433712U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115568759A (en) * | 2022-12-08 | 2023-01-06 | 广东新宝电器股份有限公司 | Brewing system of coffee machine |
| CN115568759B (en) * | 2022-12-08 | 2023-03-24 | 广东新宝电器股份有限公司 | Brewing system of coffee machine |
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