CN106821003A - A kind of relief valve with safety device and coffee machine - Google Patents
A kind of relief valve with safety device and coffee machine Download PDFInfo
- Publication number
- CN106821003A CN106821003A CN201710087308.8A CN201710087308A CN106821003A CN 106821003 A CN106821003 A CN 106821003A CN 201710087308 A CN201710087308 A CN 201710087308A CN 106821003 A CN106821003 A CN 106821003A
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- CN
- China
- Prior art keywords
- valve
- needle
- relief
- pressure
- Prior art date
- 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.)
- Pending
Links
- 230000000903 blocking effect Effects 0.000 claims abstract description 3
- 239000007788 liquid Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000006837 decompression Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 24
- 238000010586 diagram Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/58—Safety devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a kind of relief valve with safety device and coffee machine, wherein relief valve includes being provided with the valve body of valve pocket, the valve body is provided with valve body inlet, valve outlet and the pressure relief opening connected with valve pocket, being provided with the valve pocket can be along the axially movable needle of valve pocket, the needle is connected with back-moving spring, the needle is provided with the needle chamber connected with valve pocket and the needle valve port connected with needle chamber, be provided with the needle chamber can unidirectional blocking needle valve port check valve.Present invention can assure that relief valve realizes normal decompression function.And, the coffee machine of relative usage three-way magnetic valve reduces production cost.
Description
Technical field
The present invention relates to food processing apparatus, more particularly to coffee machine.
Background technology
The existing pressure-type coffee machine of in the market (using electromagnetism water supplying pump) majority can be related to water pump normal water supply and make
Make the problem of group pressure release --- first have to ensure air emptying in water pump water supply preceding pipeline, so that water pump can rapidly go up water；Secondly exist
Coffee machine has been beaten after coffee to guarantee that group pressure will be brewageed and has been excreted.Common solution is to use mechanical relief valve
Or three-way magnetic valve.
There is diversified state in existing machinery formula relief valve.Some relief valve pressure relieving ends are realized using the pressure release valve plug of needle-like
Pressure release and reset, such as entitled the letting out for coffee machine of Intellectual Property Right Bureau of the RPC's on November 18th, 2009 issue
Pressure valve, Patent No. CN100560004C.Because pressure release valve plug is blocked always, air-discharging is difficult, water on water pump can be caused slower
Situation, such relief valve to spring requirement it is very high；Some relief valves are realized letting out in pressure relieving end by the elastic deformation of silica gel
Pressure and the function of resetting, such as the entitled a kind of of Intellectual Property Right Bureau of the RPC's September in 2012 issue on the 12nd are used for coffee
The relief valve of coffee machine and the coffee machine for being provided with the relief valve, Patent No. CN202426299U, such relief valve is to silica gel hardness
Requirement it is very high.The mechanical relief valve of above two is all easier the feelings for not pressure release occur or being constantly in pressure release state
Condition, and all without pressure-relief device.
Existing three-way magnetic valve price is higher, and the coffee machine manufacturing cost of all use three-way magnetic valves can all increase very
It is many.
The content of the invention
The technical problems to be solved by the invention are just to provide a kind of coffee machine relief valve, it is ensured that relief valve can be realized normally
Decompression function, and with lower-cost advantage.
In order to solve the above technical problems, the present invention is adopted the following technical scheme that：Relief valve, including the valve body of valve pocket is provided with,
The valve body is provided with valve body inlet, valve outlet and the pressure relief opening connected with valve pocket, and being provided with the valve pocket can be along valve pocket axle
To the needle of activity, the needle is connected with back-moving spring, and the needle is provided with the needle chamber and and needle connected with valve pocket
Chamber connection needle valve port, be provided with the needle chamber can unidirectional blocking needle valve port check valve, enter liquid in valve body inlet
During body, needle compression reseting spring runs to pressure relief opening and closes pressure relief opening, so as to open check valve and make valve body inlet and valve
Body outlet, when valve body inlet stops entering liquid, needle returns to initial position under action of reset spring, and makes pressure relief opening
Connected with valve outlet.
Preferably, the valve body is connected with when valve cavity pressure is higher than setting value in open mode with by many overbottom pressure
The safety valve of power excretion.
Preferably, the safety valve includes the safety of the safe valve pocket, the safe valve pocket of connection and valve pocket on valve body
Valve port, in safe valve pocket and it is connected with the safe valve element of safety valve spring,
Preferably, the safe valve pocket is on valve body, the valve body is connected with the safety docked with safe valve pocket and connects
Head, the safety joint is provided with extra exit.
Preferably, space is provided between the check valve and needle, and during so that valve body inlet initially entering liquid, liquid
Air between check valve is discharged by this space from pressure relief opening.
Preferably, the space is the radial passage radially extended along unidirectional valve head.
Preferably, the needle includes needle main body and is connected to the valve needle cover of needle body tail section, the pressure release
Mouth is connected with relief fittings, and the afterbody of the valve needle cover is provided with the plug for sealing relief fittings.
Preferably, the diameter of the valve needle cover is less than needle main body and nose threads are screwed in needle main body endoporus,
The oral area of the valve needle cover is provided with the positioning step abutted with one-way valve spring rear end, is enclosed within valve needle cover outside the back-moving spring
And front end abuts with needle body rear.
Preferably, the plug is fabricated from a flexible material, valve needle cover endoporus afterbody is provided with inward flange, and the plug is provided with
Snap in valve needle cover endoporus and the grab with inward flange effect to prevent plug from deviating from.
Present invention also offers a kind of coffee machine, above-mentioned relief valve is provided with.
The check valve set in the technical solution adopted by the present invention, needle can be automatically opened up or closed according to setting pressure,
When valve body inlet continues into liquid, needle starts to be run to relief fittings, and check valve is in closure state；Needle closes pressure release
After joint, check valve is moved to relief fittings direction, so that valve body inlet, needle and valve outlet three form path；Valve
When body entrance stops entering liquid, needle returns to original position, and check valve returns to original state, valve outlet and pressure release simultaneously
UNICOM's state that joint is in.Thereby it can be assured that relief valve realizes normal decompression function.And, relative usage three is powered
The coffee machine of magnet valve, reduces production cost.
In addition, be provided with space between check valve and needle, therefore, when valve body inlet initially enters liquid, liquid with it is unidirectional
Air between valve is discharged by this space from pressure relief opening, and can empty pipeline air makes water pump go up water rapidly.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and detailed description：
Fig. 1 is the assembling schematic diagram of the embodiment of the present invention；
Fig. 2 is embodiment of the present invention initial state schematic diagram；
Fig. 3 starts view of intaking for the embodiment of the present invention；
Fig. 4 is embodiment of the present invention water flowing view；
Fig. 5 is embodiment of the present invention safety relief view；
Fig. 6 is the space schematic diagram between the needle of design in the embodiment of the present invention and check valve；
Fig. 7 is the structural representation of check valve.
Specific embodiment
As shown in Figures 1 to 6, relief valve, including the valve body 1 of valve pocket is provided with, the valve body 1 is provided with the valve connected with valve pocket
Body entrance 1.1, valve outlet 1.2 and pressure relief opening, be provided with the valve pocket can along valve pocket axially activity needle 2, needle 2 according to
Sealing is formed by needle sealing ring 2.2 and valve body 1.
As shown in fig. 7, the needle 2 is provided with the needle chamber that is connected with valve pocket and connects needle chamber and valve body inlet
Needle valve port, the needle 2 is connected with back-moving spring 4 in the opposite side of needle valve port, and being provided with the needle chamber unidirectionally to seal
The check valve 3 of valve closing needle-valve mouthful, check valve 3 resets by one-way valve spring 3.1.
Wherein, valve body inlet 1.1 is anterior and axially vertical with valve body located at valve body, and pressure relief opening is let out in relief fittings 5
Crimp head 5 is docked with valve pocket open rearward end, and relief fittings 5 forms sealing by relief fittings sealing ring 5.1 with valve body.
The check valve 3 set in needle 2 can be automatically opened up or closed according to setting pressure, and valve body inlet 1.1 is continued into
During liquid, needle 2 starts to be run to relief fittings, and check valve 3 is in closure state；After the closing relief fittings 5 of needle 2, unidirectionally
Valve 3 is moved to the direction of relief fittings 5, so that valve body inlet 1.1, needle 2 form path with the three of valve outlet 1.2；Valve body
When entrance 1.1 stops entering liquid, needle 2 returns to original position, and check valve 3 returns to original state, valve outlet 1.2 simultaneously
The UNICOM's state being in relief fittings 5.
The valve body 1 is connected with when valve cavity pressure is higher than setting value in open mode so that excess pressure to be drained
Safety valve.The safety valve is including the safe valve pocket on valve body, the relief valve port of the safe valve pocket of connection and valve pocket, located at peace
In full valve chamber and the safe valve element 6 of safety valve spring 6.1 is connected with, on valve body, the valve body 1 is connected the safe valve pocket
There is the safety joint 7 docked with safe valve pocket, the safety joint is provided with extra exit.Safety joint is sealed by safety joint
Circle 7.1 forms sealing with valve body.When relief valve internal pressure exceedes setting pressure limit, safety valve opens pressure release, in relief valve
When portion's pressure drops to setting pressure limit, safety valve is closed.
In addition, being provided with space between the check valve 3 and needle 2.When valve body inlet initially enters liquid, liquid with it is unidirectional
Air between valve can be discharged by this space from relief fittings；When valve body inlet stops entering liquid, above-mentioned space can make
Needle smoothly returns to original position；This space may be provided on needle, it is also possible to be arranged on check valve.As shown in fig. 6, described
Space is the radial passage 3.0 radially extended along unidirectional valve head, or can also be axial passage, it is of course possible to be arranged on
Communicating passage on needle.
As shown in fig. 7, the needle 2 includes needle main body and is connected to the valve needle cover of needle body tail section, the valve
The afterbody of needle guard is provided with the plug 2.1 for sealing relief fittings.The diameter of the valve needle cover is less than needle main body and front end spiral shell
Line is screwed in needle main body endoporus, and the oral area of the valve needle cover is provided with the positioning step abutted with one-way valve spring rear end, institute
State and be enclosed within outside back-moving spring on valve needle cover and front end abuts with needle body rear.Needle 2 connects by the sealing pressure release of plug 2.1
Head, the plug 2.1 is fabricated from a flexible material, and valve needle cover endoporus afterbody is provided with inward flange, and the plug is provided with and snaps in valve needle cover
Endoporus and the grab with inward flange effect to prevent plug from deviating from.
The operation principle of the relief valve is as follows with process.
As shown in Fig. 2 initial state (purging line air condition)：Coffee machine water pump is started working, by air in pipeline
Extruded to relief valve, air is discharged by the space between needle 2 and check valve 3 through relief fittings 5；Now, needle 2 with it is unidirectional
Valve 3 leans on the position of valve body inlet 1.1, is failure to actuate, and relief fittings 5 is in the conduction state with valve outlet 1.2；Arranged at safety valve is in sealing
State.
As shown in figure 3, relief valve starts into water state：Water reaches needle 2 through valve body inlet 1.1 into valve body 1, promotes valve
Run to relief fittings 5 after the compression reseting spring 4 of pin 2, plug 2.1 seals relief fittings 5；Now, check valve 3 and safety valve
In initial state, it is failure to actuate.
As shown in figure 4, relief valve water flowing state：After plug 2.1 seals relief fittings 5, water pump continues to add to relief valve
Pressure, runs after the compression one-way valve spring 3.1 of check valve 3 to the direction of relief fittings 5, and water passes through inside needle 2 from valve outlet 1.2
Outflow；Now, near relief fittings 5, check valve 3 is in open mode, the sealing relief fittings 5 of plug 2.1, safety valve to needle 2
In initial state.
Relief valve pressure leak process：After water pump stops supplying water, check valve 3 has been returned under the active force of one-way valve spring 3.1
Beginning position, needle 2 returns to original position under the active force of back-moving spring 4, and plug 2.1 departs from relief fittings 5, relief fittings 5
With the UNICOM of valve outlet 1.2, waste water and pressure at release valve outlet 1.2；Now arranged at safety valve is in initial state；Pressure release is completed
Relief valve is in initial state afterwards.
As shown in figure 5, safety relief state：Relief valve be in water flowing state when, the direction of valve outlet 1.2 occur block or
Other situation causes pipeline pressure to raise, and when pressure is higher than setting value, the backward security of safety valve compressing secure valve spring 6.1 connects
First 7 operation is in open mode, and excess pressure is drained from safety joint 7 in pipeline, if water pump persistently supplies water, safety valve is always
In open mode.
Safety relief completion status：After water pump is stopped, all parts recover initial state, and safety valve is in safety valve bullet
Original position is returned under the active force of spring 6.1, needle 2 also returns to original position with check valve 3, and plug 2.1 departs from relief fittings
5, relief fittings 5 and the UNICOM of valve outlet 1.2, waste water and pressure at release valve outlet 1.2；Relief valve after the completion of safety relief
In initial state.
Claims (10)
1. relief valve, including be provided with the valve body of valve pocket, the valve body be provided with connected with valve pocket valve body inlet, valve outlet and
Pressure relief opening, it is characterised in that：Being provided with the valve pocket can be connected with reset bullet along the axially movable needle of valve pocket, the needle
Spring, the needle is provided with the needle chamber connected with valve pocket and the needle valve port connected with needle chamber, is provided with the needle chamber
Can unidirectional blocking needle valve port check valve, valve body inlet enter liquid when, needle compression reseting spring to pressure relief opening run
And pressure relief opening is closed, so as to open check valve and valve body inlet is connected with valve outlet, valve body inlet stops during into liquid,
Needle returns to initial position under action of reset spring, and pressure relief opening is connected with valve outlet.
2. relief valve according to claim 1, it is characterised in that：The valve body is connected with valve cavity pressure higher than setting
Safety valve during value in open mode so that excess pressure to be drained.
3. relief valve according to claim 2, it is characterised in that：The safety valve includes the safety valve on valve body
Chamber, the relief valve port for connecting safe valve pocket and valve pocket, in safe valve pocket and it is connected with the safe valve element of safety valve spring.
4. relief valve according to claim 3, it is characterised in that：On valve body, the valve body connects the safe valve pocket
The safety joint docked with safe valve pocket is connected to, the safety joint is provided with extra exit.
5. relief valve according to claim 1, it is characterised in that：Space is provided between the check valve and needle, so that
When valve body inlet initially enters liquid, the air between liquid and check valve is discharged by this space from pressure relief opening.
6. relief valve according to claim 5, it is characterised in that：The space is the footpath radially extended along unidirectional valve head
To passage.
7. relief valve according to claim 1, it is characterised in that：The needle includes needle main body and is connected to needle
The valve needle cover of body tail section, the pressure relief opening is connected with relief fittings, and the afterbody of the valve needle cover is provided with and is connect for sealing pressure release
The plug of head.
8. relief valve according to claim 7, it is characterised in that：The diameter of the valve needle cover is less than needle main body and front end
In needle main body endoporus, the oral area of the valve needle cover is provided with the positioning step abutted with one-way valve spring rear end to threaded engagement,
On valve needle cover and front end is enclosed within outside the back-moving spring to be abutted with needle body rear.
9. relief valve according to claim 7, it is characterised in that：The plug is fabricated from a flexible material, valve needle cover endoporus
Afterbody is provided with inward flange, and the plug is provided with and snaps in valve needle cover endoporus and the grab with inward flange effect to prevent plug from deviating from.
10. a kind of coffee machine, it is characterised in that：Relief valve described in claim 1 to 9 any one is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710087308.8A CN106821003A (en) | 2017-02-17 | 2017-02-17 | A kind of relief valve with safety device and coffee machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710087308.8A CN106821003A (en) | 2017-02-17 | 2017-02-17 | A kind of relief valve with safety device and coffee machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106821003A true CN106821003A (en) | 2017-06-13 |
Family
ID=59128605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710087308.8A Pending CN106821003A (en) | 2017-02-17 | 2017-02-17 | A kind of relief valve with safety device and coffee machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106821003A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1244226A (en) * | 1968-01-04 | 1971-08-25 | Marco Turolla | A pressure relief valve |
| CN101331352A (en) * | 2005-12-16 | 2008-12-24 | 雀巢技术公司 | Priming valve device for water circuit of beverage machine |
| CN102599822A (en) * | 2012-04-11 | 2012-07-25 | 宁波亚特电器有限公司 | Safety valve of coffee maker |
| CN202801286U (en) * | 2012-09-12 | 2013-03-20 | 胡剑彧 | Pressure release valve device of pressure coffee machine |
| CN202801272U (en) * | 2012-09-12 | 2013-03-20 | 胡剑彧 | Pressure release valve structure of pressure coffee machine |
| CN204260575U (en) * | 2014-11-28 | 2015-04-15 | 宁波西文电器有限公司 | A kind of two relief valve |
| WO2015078096A1 (en) * | 2013-11-29 | 2015-06-04 | 宁波西文电器有限公司 | Two-way pressure relief valve |
-
2017
- 2017-02-17 CN CN201710087308.8A patent/CN106821003A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1244226A (en) * | 1968-01-04 | 1971-08-25 | Marco Turolla | A pressure relief valve |
| CN101331352A (en) * | 2005-12-16 | 2008-12-24 | 雀巢技术公司 | Priming valve device for water circuit of beverage machine |
| CN102599822A (en) * | 2012-04-11 | 2012-07-25 | 宁波亚特电器有限公司 | Safety valve of coffee maker |
| CN202801286U (en) * | 2012-09-12 | 2013-03-20 | 胡剑彧 | Pressure release valve device of pressure coffee machine |
| CN202801272U (en) * | 2012-09-12 | 2013-03-20 | 胡剑彧 | Pressure release valve structure of pressure coffee machine |
| WO2015078096A1 (en) * | 2013-11-29 | 2015-06-04 | 宁波西文电器有限公司 | Two-way pressure relief valve |
| CN204260575U (en) * | 2014-11-28 | 2015-04-15 | 宁波西文电器有限公司 | A kind of two relief valve |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220111 Address after: No.23-25, Maosheng Road, Yuyao Economic Development Zone (South District), Ningbo City, Zhejiang Province, 315403 Applicant after: NINGBO YAT ELECTRICAL APPLIANCE Co.,Ltd. Address before: No.23-25, Maosheng Road, Yuyao Economic Development Zone (South District), Ningbo, Zhejiang 315400 Applicant before: ZHEJIANG KUFEER ELECTRICAL APPLIANCE Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |
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| RJ01 | Rejection of invention patent application after publication |