CN103104478B - The pure water machine system of a kind of suction booster and formation thereof - Google Patents
The pure water machine system of a kind of suction booster and formation thereof Download PDFInfo
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- CN103104478B CN103104478B CN201310044195.5A CN201310044195A CN103104478B CN 103104478 B CN103104478 B CN 103104478B CN 201310044195 A CN201310044195 A CN 201310044195A CN 103104478 B CN103104478 B CN 103104478B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 271
- 230000015572 biosynthetic process Effects 0.000 title abstract description 5
- 239000012528 membrane Substances 0.000 claims abstract description 32
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims description 57
- 238000007599 discharging Methods 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000010992 reflux Methods 0.000 description 8
- 238000001914 filtration Methods 0.000 description 7
- 230000000712 assembly Effects 0.000 description 6
- 238000000429 assembly Methods 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 6
- 238000011010 flushing procedure Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses the pure water machine system of a kind of suction booster and formation thereof.This suction booster comprises in it pump head body with source water cavity and hyperbaric chamber, pump head body is provided with the water intake connected with source water cavity, and the water outlet to connect with hyperbaric chamber, the water route that described water intake and source water cavity are connected is provided with pressure limiting assembly, pressure limiting chamber and the source water cavity of pressure limiting assembly are connected, described suction booster also comprises backwater mouth, concentrated water spout, backwater mouth and source water cavity are connected, the water route that backwater mouth and source water cavity are connected is provided with to guarantee in backwater mouth that hydraulic pressure is not less than and sets hydraulic pressure and the pressurize water flowing assembly making flow direction source water cavity in backwater mouth, concentrated water spout and backwater mouth are connected and the water route that concentrated water spout and backwater mouth are connected is provided with and lets out dense structure.In this pure water machine system, the dense water out of reverse osmosis membrane group is connected by the backwater mouth of pipeline and suction booster.Suction booster of the present invention has the structure of backflow, and its pure water machine system formed, by optimizing waterway structure, can solve the problem that reverse osmosis membrane easily blocks up.
Description
Technical field
the present invention relates to purified water preparation field, particularly, relate to the pure water machine system of a kind of suction booster and formation thereof.
Background technique
Suction booster is as a kind of general fluid pressurized equipment, its formation generally includes water intake, water outlet, there is the low-pressure cavity, the hyperbaric chamber that are spaced apart in pump head body, low-pressure cavity and water intake are connected, hyperbaric chamber and water outlet are connected, current in low-pressure cavity are by being arranged on wheel rotation supercharging in pump head body or adopting the pressure structure of diaphragm booster pump to carry out supercharging to it, and the current after supercharging enter hyperbaric chamber, then flow out through water outlet.
In pure water machine system, in order to ensure the water hydraulic pressure processed of reverse osmosis membrane, also need to use suction booster, but current suction booster only has simple to the function of carrying out supercharging, can not carry out the function refluxed.
At current pure water machine system in water process processed; reverse osmosis membrane easily blocks up; if do not rinsed reverse osmosis membrane timely; the working life of water efficiency processed and reduction reverse osmosis membrane can be affected; therefore need often to shut down flushing, to improve the working life of water efficiency processed and raising reverse osmosis membrane, even if rinse in time; owing to being blocked before reverse osmosis membrane, after flushing, still its working life can be affected.Also do not solve the scheme that reverse osmosis membrane easily blocks up at present preferably.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of suction booster with backflow functionality is provided; Meanwhile, a kind of pure water machine system be made up of this suction booster is provided.
Object of the present invention is achieved through the following technical solutions: a kind of suction booster, comprise in it pump head body with source water cavity and hyperbaric chamber, pump head body is provided with the water intake connected with source water cavity, and the water outlet to connect with hyperbaric chamber, the water route that described water intake and source water cavity are connected is provided with pressure limiting assembly, pressure limiting chamber and the source water cavity of pressure limiting assembly are connected, described suction booster also comprises backwater mouth, concentrated water spout, backwater mouth and source water cavity are connected, the water route that backwater mouth and source water cavity are connected is provided with to guarantee in backwater mouth that hydraulic pressure is not less than and sets hydraulic pressure and the pressurize water flowing assembly making flow direction source water cavity in backwater mouth, concentrated water spout and backwater mouth are connected and the water route that concentrated water spout and backwater mouth are connected is provided with and lets out dense structure.In this programme, pressure limiting assembly adopts pressure limiting assembly conventional in existing pressure-limit valve to realize, its objective is that source water hydraulic pressure is too high causes the current in backwater mouth not reflux in order to prevent, let out dense structure also to adopt in prior art and can realize for the pressure release assembly in pure water machine system, the suction booster of this programme on the one hand can according to the design conditions in water route, backflow water route is introduced by backwater mouth, simultaneously, backflow water route is provided with lets out dense structure, when the hydraulic pressure in water route of refluxing exceedes the setting value of letting out dense structure, let out dense structure and namely can open pressure release; Pressurize water flowing assembly demand fulfillment two functions of this programme, one is that water route before will guaranteeing this assembly can keep certain hydraulic pressure value, two is that water route before needing assembly can be flow through this assembly and internal cavity and connects to be formed and reflux, the structure realizing this function has many forms, also can realize for the design of fluid applications.
As a kind of implementation of pressurize water flowing assembly, its structure is: described pressurize water flowing assembly comprises choked flow runner, choked flow piece two, choked flow piece two outer wall or choked flow runner inner wall are provided with thread-like groove, choked flow piece two is arranged in choked flow runner, and thread-like groove forms the channel of resistance to flow that two ends connect backwater mouth, source water cavity respectively.Because channel of resistance to flow is less, its current rate of outflow is restricted, when the back-flow velocity of the current of backwater mouth is greater than the current rate of outflow of channel of resistance to flow, hydraulic pressure before pressurize water flowing assembly will increase, can by regulating the length of choked flow piece two in choked flow runner, the function regulating and keep hydraulic pressure before this assembly can be played.
As a kind of implementation of pressurize water flowing assembly, described pressurize water flowing assembly is water discharging structure.Water discharging structure adopts in prior art and can realize for the pressure release assembly in pure water machine system.
As a kind of implementation of water discharging structure, its structure is: described water discharging structure comprises the discharge opening two of sluicing sealing two, sluicing spring two, pump head upper cover Inner Constitution, sluicing sealing two peripheral sealing is fixed between pump head upper cover and sealing cover, sluicing spring two is placed in the cavity that the upper-end surface of sluicing sealing two and sealing cover formed, and spring two two ends that sluice act on the upper-end surface of sealing cover inwall and sluicing sealing two respectively.
As a kind of implementation of letting out dense structure, its structure for: described in let out the discharge opening that dense structure comprises sluicing sealing, sluicing spring, sealing cover and pump head upper cover Inner Constitution, sluicing sealing peripheral sealing is fixed between pump head upper cover and sealing cover, sluicing spring is placed in the cavity that the upper-end surface of sluicing sealing and sealing cover formed, and the both ends of the spring that sluices acts on the upper-end surface of sealing cover inwall and sluicing sealing respectively.
Further, the water route of letting out described between dense structure and concentrated water spout is provided with reducing-flow structure.
As a kind of implementation of reducing-flow structure, its structure is: described reducing-flow structure comprises choked flow piece one, and choked flow piece one outer wall or concentrated stream road inwall are provided with thread-like groove, and choked flow piece one is arranged in concentrated stream road.Thread-like groove forms the channel of resistance to flow that two ends connect concentrated water spout, pressure relief respectively.
As a kind of implementation of pressure limiting assembly, its structure is: described pressure limiting assembly comprises pressure-sensitive diaphragm, pressure-sensitive spring, controlling rod and the pressure limiting chamber being positioned at pump head body inside, pressure limiting chamber is connected by water inlet flow channel and source water cavity, pressure-sensitive diaphragm peripheral sealing is fixed between pump head body and pump head upper cover, pressure-sensitive spring is provided with in the air cavity formed between the upper-end surface of pressure-sensitive diaphragm and pump head upper cover, pressure-sensitive both ends of the spring acts on the upper-end surface of pump head upper cover inwall and pressure-sensitive diaphragm respectively, there is between pressure limiting chamber and water intake the pressure limiting water cut off device be made up of water shutoff pad, controlling rod one end is positioned at pressure limiting chamber and holds with pressure-sensitive diaphragm and be connected, the controlling rod the other end has the water shutoff plate of sealed pressure-limiting water cut off device through pressure limiting water cut off device and through the lower end of pressure limiting water cut off device.
The pure water machine system be made up of above-mentioned suction booster, in described pure water machine system, the dense water out of reverse osmosis membrane group is connected by the backwater mouth of pipeline and suction booster.In this pure water machine system, the water route annexation of the water intake of suction booster, water outlet and other assemblies, comprises the water route annexation after the pure water inlet of reverse osmosis membrane group, and adopt prior art, the annexation namely with reference to existing pure water machine system is arranged.Current pure water machine system is in water process processed, reverse osmosis membrane easily blocks up, if do not rinsed reverse osmosis membrane timely, the working life of water efficiency processed and reduction reverse osmosis membrane can be affected, therefore need often to open, shut down and rinse, to improve the working life of water efficiency processed and raising reverse osmosis membrane, even if rinse in time, owing to being blocked before reverse osmosis membrane, still its working life can be affected after flushing, reverse osmosis membrane is one of assembly of most critical in pure water machine system, in order to solve its easily stifled problem, this programme devises a kind of waterway structure, adopt the pure water machine system of this structure, because reverse osmosis membrane group water side (side at dense water place) current can be connected by the backwater mouth of pipeline and suction booster, be back in the source water cavity of suction booster, this structure is equivalent to increase water side processed water velocity, in fact, the principle of rinsing also is like this, but rinse just intermittent, and need manual control, the structure of this programme can increase water side processed water velocity always when pure water machine system runs, be equivalent to rinsing the reverse osmosis membrane of water side processed always, the problem that it is easily stifled can be solved, because the water of backflow enters in the water cavity of source, only need the amount according to recirculation water, the power of suitable increase suction booster, and, in order to realize good developing result, can according to the requirement to sparge water Flow Velocity, design the capacity of reflux by pressurize water flowing assembly, play and water side processed water velocity can be made to play flushing action to reverse osmosis membrane.
This programme is arranged as the annexation with reference to existing pure water machine system, as one of structure, described pure water machine system comprises intake pipe, and the water intake of intake pipe and suction booster is connected, and the water outlet of suction booster is connected with filtration filter group, reverse osmosis membrane group successively by pipeline.Here filtration group can be first-level filtering group, secondary filter group, three grades of filter groups of mutually being connected by water route, can be also the filter assemblies be integrated in one in water route, or be integrated in the filter assemblies of reverse osmosis membrane assembly inside.In this programme, the pure water inlet of reverse osmosis membrane group can be connected with one-way water-purifying interface, clear water faucet successively by water route, also comprises and one-way water-purifying interface, water route is connected between clear water faucet pressure water storage barrel and high-voltage switch gear.
The present invention compared with prior art has the following advantages and beneficial effect:
1, suction booster of the present invention can according to the design conditions in water route, backflow water route is introduced by backwater mouth, simultaneously, backflow water route is provided with lets out dense structure, when the hydraulic pressure in water route of refluxing exceedes the setting value of letting out dense structure, let out dense structure and namely can open pressure release, additionally use pressure limiting assembly, the too high problem causing the current in backwater mouth not reflux of source water hydraulic pressure can be prevented.
2, pure water machine system provided by the invention, optimize waterway structure, because reverse osmosis membrane group water side (side at dense water place) current can be connected by the backwater mouth of pipeline and suction booster, be back in the source water cavity of suction booster, this structure is equivalent to increase water side processed water velocity, in fact, the principle of rinsing also is like this, but rinse just intermittent, and need manual control, the structure of this programme can increase water side processed water velocity always when pure water machine system runs, be equivalent to rinsing the reverse osmosis membrane of water side processed always, the problem that it is easily stifled can be solved, because the water of backflow enters in the water cavity of source, only need the amount according to recirculation water, the power of suitable increase suction booster.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of the suction booster of embodiment 2;
Fig. 3 is the structural representation of pure water machine system.
Reference character corresponding in accompanying drawing is: 101---water intake, 102---water shutoff plate, 103---water shutoff pad, 104---controlling rod, 105---water-stop sheet, 106---lower bolster, 107---pressure limiting chamber, 108---pressure-sensitive spring, 109---pressure-sensitive diaphragm, 110---adjusting element, 111---air cavity, 112---backwater mouth, 113---concentrated water spout, 114---choked flow piece one, 115---discharge opening, 116---sluicing sealing, 117---sluicing spring, 118---sealing cover, 119---choked flow piece two, 120---choked flow runner, 121---water outlet, 122---pump head upper cover, 123---hyperbaric chamber, 124---source water cavity, 125---backwater runner, 126---water inlet flow channel, 127---helps envelope spring, 128---pump head body
201---discharge opening two, 202---sluicing spring two, 203---sluicing sealing two, 301---intake pipe, 302---suction booster, 303---first-level filtering group, 304---secondary filter group, 305---tri-grades of filter groups, 306---reverse osmosis membrane group, the dense water out of 307---, 308---backwater interface, 309---one-way water-purifying interface, 310---concentrated water drainage mouth, 311---tee union, 312---clear water faucet, 313---high-voltage switch gear, 314---water purification interface, 315---pressure water storage barrel.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1:
As shown in Figure 1, the suction booster of the present embodiment comprises in it pump head body 128 with source water cavity 124 and hyperbaric chamber 123, pump head body 128 is provided with the water intake 101 connected with source water cavity 124, and the water outlet 121 to connect with hyperbaric chamber 123, the water route that described water intake 101 and source water cavity 124 are connected is provided with pressure limiting assembly, pressure limiting chamber 107 and the source water cavity 124 of pressure limiting assembly are connected, described suction booster also comprises backwater mouth 112, concentrated water spout 113, backwater mouth 112 and source water cavity 124 are connected, the water route that backwater mouth 112 and source water cavity 124 are connected is provided with to guarantee in backwater mouth 112 that hydraulic pressure is not less than and sets hydraulic pressure and the pressurize water flowing assembly making flow direction source water cavity 124 in backwater mouth 112, concentrated water spout 113 and backwater mouth 112 are connected and the water route that concentrated water spout 113 and backwater mouth 112 are connected is provided with and lets out dense structure.
In the present embodiment, the concrete structure of pressurize water flowing assembly comprises choked flow runner 120, choked flow piece 2 119, choked flow piece 2 119 outer wall or choked flow runner 120 inwall are provided with thread-like groove, choked flow piece 2 119 is arranged in choked flow runner 120, and thread-like groove forms the channel of resistance to flow that two ends connect backwater mouth 112, source water cavity 124 respectively.This pressurize water flowing assembly is the structure of a normal open, namely recirculation water can one to enter source water cavity 124 straight through this assembly inner, this assembly can realize by the length regulating choked flow piece two be arranged in choked flow runner regulating channel of resistance to flow length, can realize the adjustment of hydraulic pressure and the adjustment of backwater speed before adjusting part.
The present embodiment pressure limiting assembly adopts pressure limiting assembly conventional in existing pressure-limit valve to realize, its objective is that source water hydraulic pressure is too high causes the current in backwater mouth not reflux in order to prevent, let out dense structure also to adopt in prior art and can realize for the pressure release assembly in pure water machine system, its concrete structure can adopt following structure, also can the akin structure of following structure realize: described in let out dense structure and comprise sluicing sealing 116, sluicing spring 117, the discharge opening 115 of sealing cover 118 and pump head upper cover 122 Inner Constitution, sluicing sealing 116 peripheral sealing is fixed between pump head upper cover 122 and sealing cover 118, sluicing spring 117 is placed in the cavity that the upper-end surface of sluicing sealing 116 and sealing cover 118 formed, and spring 117 two ends that sluice act on the upper-end surface of sealing cover 118 inwall and sluicing sealing 116 respectively.Described pressure limiting assembly comprises pressure-sensitive diaphragm 109, pressure-sensitive spring 108, controlling rod 104 and the pressure limiting chamber 107 being positioned at pump head body 128 inside, pressure limiting chamber 107 is connected by water inlet flow channel 126 and source water cavity 124, pressure-sensitive diaphragm 109 peripheral sealing is fixed between pump head body 128 and pump head upper cover 122, pressure-sensitive spring 108 is provided with in the air cavity 111 formed between the upper-end surface of pressure-sensitive diaphragm 109 and pump head upper cover 122, pressure-sensitive spring 108 two ends act on the upper-end surface of pump head upper cover 122 inwall and pressure-sensitive diaphragm 109 respectively, there is between pressure limiting chamber 107 and water intake 101 the pressure limiting water cut off device be made up of water shutoff pad 103, controlling rod 104 one end is positioned at pressure limiting chamber 107 and holds with pressure-sensitive diaphragm 109 and be connected, controlling rod 104 the other end has the water shutoff plate 102 of sealed pressure-limiting water cut off device through pressure limiting water cut off device and through the lower end of pressure limiting water cut off device.
Embodiment 2:
As shown in Figure 2, the present embodiment and the difference of embodiment 1 are that the concrete structure of pressurize water flowing assembly is not identical, and other each parts form identical with embodiment 1 with annexation.
In the present embodiment, the concrete structure of pressurize water flowing assembly is water discharging structure, this water discharging structure comprises the discharge opening 2 201 of sluicing sealing 2 203, sluicing spring 2 202, pump head upper cover 122 Inner Constitution, sluicing sealing 2 203 peripheral sealing is fixed between pump head upper cover 122 and sealing cover 118, sluicing spring 2 202 is placed in the cavity that the upper-end surface of sluicing sealing 2 203 and sealing cover 118 formed, and spring 2 202 two ends that sluice act on the upper-end surface of sealing cover 118 inwall and sluicing sealing 2 203 respectively.The pressurize water flowing assembly of the present embodiment is not the structure of a normal open, and only when the hydraulic pressure in water route of refluxing exceedes the pressure release limit value of this water discharging structure, water discharging structure just can be opened and is back in source water cavity 124 by recirculation water.
Embodiment 3:
As shown in Figure 1 and Figure 2, the present embodiment is on the basis of embodiment 1 and embodiment 2, letting out between dense structure and concentrated water spout 113 that the water route that concentrated water spout 113 and backwater mouth 112 are connected is provided with is equipped with reducing-flow structure, this reducing-flow structure comprises choked flow piece 1, let out the concentrated stream road formed between dense structure and concentrated water spout 113, choked flow piece 1 outer wall or concentrated stream road inwall are provided with thread-like groove, choked flow piece 1 is arranged in concentrated stream road, and thread-like groove forms two ends and connects concentrated water spout 113 respectively, lets out the channel of resistance to flow of dense structure.Dense constitution water of letting out in the present embodiment is installed with the hydraulic pressure setting value that definite value can be set as exceeding pressure limiting structure, thus to the pure water machine system normal water supply supercharging be made up of this suction booster when realizing suction booster turn on pump, and terminate concentrated water spout 113 when power-off termination of pumping and continue outer row source water.
Embodiment 4:
As shown in Figure 1, Figure 2, Figure 3 shows, the present embodiment is the pure water machine system that in above-described embodiment, any one suction booster is formed, and in this pure water machine system, the dense water out 307 of reverse osmosis membrane group 306 is connected by the backwater mouth 112 of pipeline and multifunction pump.
In the pure water system of the present embodiment, the water route annexation of the water intake of suction booster, water outlet and other assemblies, comprise the water route annexation after the pure water inlet of reverse osmosis membrane group, adopt prior art, the annexation namely with reference to existing pure water machine system is arranged.As a kind of implementation, its concrete structure is: described pure water machine system is resistance to comprises intake pipe, and the water intake of intake pipe and suction booster is connected, and the water outlet of suction booster is connected with filtration filter group, reverse osmosis membrane group successively by pipeline.Here filtration group can be first-level filtering group, secondary filter group, three grades of filter groups of mutually being connected by water route, can be also the filter assemblies be integrated in one in water route, or be integrated in the filter assemblies of reverse osmosis membrane assembly inside.In this programme, the pure water inlet of reverse osmosis membrane group can be connected with one-way water-purifying interface, clear water faucet successively by water route, also comprises and one-way water-purifying interface, water route is connected between clear water faucet pressure water storage barrel and high-voltage switch gear.
As mentioned above, then well the present invention can be realized.
Claims (9)
1. a suction booster, comprise in it pump head body (128) with source water cavity (124) and hyperbaric chamber (123), pump head body (128) is provided with the water intake (101) connected with source water cavity (124), and the water outlet (121) to connect with hyperbaric chamber (123), it is characterized in that: the water route that described water intake (101) and source water cavity (124) are connected is provided with pressure limiting assembly, pressure limiting chamber (107) and the source water cavity (124) of pressure limiting assembly are connected, described suction booster also comprises backwater mouth (112), concentrated water spout (113), backwater mouth (112) and source water cavity (124) are connected, the water route that backwater mouth (112) and source water cavity (124) are connected is provided with guarantees that backwater mouth (112) interior hydraulic pressure is not less than and sets hydraulic pressure and the pressurize water flowing assembly making backwater mouth (112) interior flow direction source water cavity (124), concentrated water spout (113) and backwater mouth (112) are connected and the water route that concentrated water spout (113) and backwater mouth (112) are connected is provided with and lets out dense structure.
2. a kind of suction booster according to claim 1, it is characterized in that, described pressurize water flowing assembly comprises choked flow runner (120), choked flow piece two (119), choked flow piece two (119) outer wall or choked flow runner (120) inwall are provided with thread-like groove, choked flow piece two (119) is arranged in choked flow runner (120), and thread-like groove forms the channel of resistance to flow that two ends connect backwater mouth (112), source water cavity (124) respectively.
3. a kind of suction booster according to claim 1, is characterized in that, described pressurize water flowing assembly is water discharging structure.
4. a kind of suction booster according to claim 3, it is characterized in that, described water discharging structure comprises sluicing sealing two (203), sluicing spring two (202), the discharge opening two (201) of pump head upper cover (122) Inner Constitution, sluicing sealing two (203) peripheral sealing is fixed between pump head upper cover (122) and sealing cover (118), sluicing spring two (202) is placed in the cavity that the upper-end surface of sluicing sealing two (203) and sealing cover (118) formed, and spring two (202) two ends that sluice act on the upper-end surface of sealing cover (118) inwall and sluicing sealing two (203) respectively.
5. a kind of suction booster according to claim 1, it is characterized in that, describedly let out dense structure and comprise sluicing sealing (116), sluicing spring (117), the discharge opening (115) of sealing cover (118) and pump head upper cover (122) Inner Constitution, sluicing sealing (116) peripheral sealing is fixed between pump head upper cover (122) and sealing cover (118), sluicing spring (117) is placed in the cavity that the upper-end surface of sluicing sealing (116) and sealing cover (118) formed, and the spring that sluices (117) two ends act on the upper-end surface of sealing cover (118) inwall and sluicing sealing (116) respectively.
6. a kind of suction booster according to claim 1, is characterized in that, described in the water route of letting out between dense structure and concentrated water spout (113) be provided with reducing-flow structure.
7. a kind of suction booster according to claim 6, is characterized in that, described reducing-flow structure comprises choked flow piece one (114), and choked flow piece one (114) outer wall or concentrated stream road inwall are provided with thread-like groove, and choked flow piece one (114) is arranged in concentrated stream road.
8. a kind of suction booster according to claim 1, it is characterized in that, described pressure limiting assembly comprises pressure-sensitive diaphragm (109), pressure-sensitive spring (108), controlling rod (104) and be positioned at the inner pressure limiting chamber (107) of pump head body (128), pressure limiting chamber (107) is connected by water inlet flow channel (126) and source water cavity (124), pressure-sensitive diaphragm (109) peripheral sealing is fixed between pump head body (128) and pump head upper cover (122), pressure-sensitive spring (108) is provided with in the air cavity (111) formed between the upper-end surface of pressure-sensitive diaphragm (109) and pump head upper cover (122), pressure-sensitive spring (108) two ends act on the upper-end surface of pump head upper cover (122) inwall and pressure-sensitive diaphragm (109) respectively, there is between pressure limiting chamber (107) and water intake (101) the pressure limiting water cut off device be made up of water shutoff pad (103), controlling rod (104) one end is positioned at pressure limiting chamber (107) and holds with pressure-sensitive diaphragm (109) and be connected, controlling rod (104) the other end has the water shutoff plate (102) of sealed pressure-limiting water cut off device through pressure limiting water cut off device and through the lower end of pressure limiting water cut off device.
9. the pure water machine system that a kind of suction booster described in any one of claim 1 to 8 is formed, it is characterized in that, in described pure water machine system, the dense water out (307) of reverse osmosis membrane group (306) is connected by the backwater mouth (112) of pipeline and suction booster.
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| CN108005892B (en) * | 2018-01-12 | 2024-02-06 | 佛山市钻力电器科技有限公司 | Pressure limiting pump |
| CN109899273B (en) * | 2019-04-18 | 2023-11-07 | 东莞市爱迪机电科技有限公司 | Diaphragm water pump with leak-stopping effect |
| CN113294558A (en) * | 2021-06-15 | 2021-08-24 | 中山市伟力宝电机电器有限公司 | Flow control valve and clean drink machine system that constitutes thereof |
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| CN103104478A (en) | 2013-05-15 |
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Effective date of registration: 20201013 Address after: Suzhou City, Jiangsu province 215600 Zhangjiagang Yang Binhe Road, No. 5 ikang B building Patentee after: SUZHOU COFFMAN MACHINERY Co.,Ltd. Address before: Zigong City, Sichuan province 643000 Luohandong Ziliujing District Building 3 door 5 of 12 Patentee before: Wu Jiayi |
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