CN111455632A - Liquid delivery system utilizing water pressure - Google Patents
Liquid delivery system utilizing water pressure Download PDFInfo
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- CN111455632A CN111455632A CN202010353971.XA CN202010353971A CN111455632A CN 111455632 A CN111455632 A CN 111455632A CN 202010353971 A CN202010353971 A CN 202010353971A CN 111455632 A CN111455632 A CN 111455632A
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- liquid
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/02—Devices for adding soap or other washing agents
- D06F39/022—Devices for adding soap or other washing agents in a liquid state
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
- A47L15/4418—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants in the form of liquids
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a liquid throwing system utilizing water pressure, which comprises a piston cavity, a piston and an elastic resetting piece, wherein the piston can reciprocate in the piston cavity along the axial direction of the piston cavity, the volume of the piston cavity is fixed and is divided into a first cavity and a second cavity by the piston, the volumes of the two cavities are variable along with the movement of the piston, and the elastic resetting piece is abutted against the stressed end surface of the piston; a water inlet and a water outlet are arranged on the first chamber at intervals, wherein the water inlet is communicated with the water inlet channel, and the water outlet is communicated with the water outlet channel; the second cavity is provided with a liquid inlet and a liquid outlet at intervals, the liquid inlet is communicated with a liquid inlet channel, the liquid outlet is communicated with a liquid outlet channel, the liquid inlet channel is provided with a first one-way valve for preventing the washing liquid from flowing back, and the liquid outlet channel is provided with a second one-way valve for preventing the washing liquid from flowing back to the second cavity. The invention realizes the absorption and the feeding of the washing liquid by utilizing the water pressure generated in the original water inlet process, and has the advantages of simple structure, reliable operation, energy conservation and low production and maintenance cost.
Description
Technical Field
The invention belongs to the technical field of washing equipment, and particularly relates to a liquid feeding system utilizing water pressure.
Background
Washing equipment such as washing machine, dish washer all generally are equipped with liquid dispensing system for put in washing liquid and other auxiliaries, in order to improve the washing effect, current liquid dispensing system utilizes the pump to take out the washing liquid from the stock solution box more, get into earlier water box and wash the water mixing back, put in the washtub again, whole liquid dispensing system structure is complicated, it is big to occupy installation space, and need set up the power supply separately and provide power for the pump, not only consume energy, the production maintenance cost height that has also increased liquid dispensing system.
Disclosure of Invention
The invention provides a liquid feeding system utilizing water pressure aiming at the problems of complex structure, energy consumption and high production and maintenance cost of the feeding system in the prior art, and the invention aims to realize the following technical scheme: a liquid throwing system utilizing water pressure comprises a piston assembly, wherein the piston assembly comprises a piston cavity, a piston and an elastic reset piece, the piston can reciprocate in the piston cavity along the axial direction of the piston cavity, the volume of the piston cavity is fixed and is divided into a first cavity and a second cavity by the piston, and the volumes of the two cavities are variable along with the movement of the piston; a water inlet and a water outlet are arranged on the first chamber at intervals, wherein the water inlet is communicated with the water inlet channel, and the water outlet is communicated with the water outlet channel; a liquid inlet and a liquid outlet are arranged on the second cavity at intervals, wherein the liquid inlet is communicated with a liquid inlet channel, the liquid outlet is communicated with a liquid outlet channel, a first one-way valve for preventing washing liquid from flowing back is arranged on the liquid inlet channel, and a second one-way valve for preventing the washing liquid from flowing back to the second cavity is arranged on the liquid outlet channel; washing water enters the first chamber from the water inlet and flows out from the water outlet, washing liquid enters the second chamber from the liquid inlet and flows out from the liquid outlet, the water inflow of the first chamber in unit time is greater than the water outflow, the washing water generates water pressure after entering the first chamber and pushes the piston to move towards the second chamber, the volume of the second chamber is reduced, and the piston extrudes the washing liquid in the second chamber from the liquid outlet; elasticity resets and leans on in the atress terminal surface of piston, and water pressure in the first cavity reduces after inhalant canal closes, and the piston resets under elasticity resets the effect of piece, and the volume increase of second cavity, washing liquid are inhaled the second cavity by inhalant canal. Because the water inflow of the first cavity is larger than the water outflow in unit time, enough water pressure can be generated in the first cavity to push the piston to move towards the second cavity, at the moment, the volume of the second cavity is gradually reduced, the cleaning solution in the second cavity is extruded, after the water inflow channel is closed, the water pressure in the first cavity is reduced, the piston can move towards the first cavity under the action of the elastic reset piece, the pressure in the second cavity is reduced, the cleaning solution in the liquid storage box can be sucked into the second cavity, the first check valve and the second check valve not only limit the liquid inlet direction and the liquid outlet direction, the reliability of the suction and the throwing of the cleaning solution is improved, but also enable the second cavity to generate enough pressure difference with the outside so as to improve the efficiency of the suction and the throwing of the cleaning solution, through the matching of each channel and the piston assembly, the suction and the throwing of the cleaning solution are realized by utilizing the water pressure generated in the original, the structure is simple, the operation is reliable, a power source is not required to be additionally arranged, the energy is saved, and the production and maintenance cost is low.
Preferably, the aperture of the water inlet is D1, the aperture of the water outlet is D2, D1 is greater than D2, and the ratio of D1 to D2 is greater than 2: 1. The arrangement enables the water inflow of the first chamber in unit time to be larger than the water outflow, so that sufficient water pressure can be generated in the first chamber to push the piston to move, and meanwhile, the water inflow efficiency of the washing cavity is guaranteed.
Preferably, the water outlet channel is provided with a pressure relief hole, the washing water flows out of the pressure relief hole, the hole diameter of the pressure relief hole is D3, D1 is larger than D3, and the ratio of D1 to D3 is larger than 3: 1. The above arrangement also aims to enable the water inflow of the first cavity in unit time to be larger than the water outflow, so that the first cavity can generate enough water pressure to push the piston to move, and the water inflow efficiency of the washing cavity is ensured.
Preferably, the first one-way valve is arranged close to the liquid inlet. Can form one section feed liquor buffering section between first check valve and the inlet, first check valve is close to the inlet and sets up the volume that can minimize feed liquor buffering section, makes first cavity when pressure diminishes, can and feed liquor channel between produce enough big pressure difference to guarantee that first check valve can be opened, improve the reliability of imbibition process.
Preferably, the second one-way valve is arranged close to the liquid outlet. Can form one section liquid buffering section between second check valve and the liquid outlet, the second check valve is close to the liquid outlet and sets up the volume that can minimize liquid buffering section, makes the second chamber when pressure grow, can with go out the liquid channel between produce enough big pressure difference to guarantee that the second check valve can be opened, improve the reliability of flowing back process.
Preferably, a pressure relief valve is arranged between the water outlet and the pressure relief hole. The setting of relief valve can prevent that inlet channel, first cavity, delivery channel from bearing too big pressure, guarantees to have enough water pressure and can promote the piston, and when water pressure was too big, the relief valve can be opened automatically, releases too big water pressure, prolongs entire system's life.
Preferably, the elastic restoring piece is a compression spring, a tension spring or a coil spring. The suitability of the whole system can be improved by the arrangement, and a proper elastic reset piece is selected according to actual conditions.
Preferably, the elastic reset piece is a compression spring and is located in the second chamber, and when the piston moves under the action of water pressure, the compression spring is compressed along the axial direction of the piston chamber.
Preferably, the elastic resetting piece is a tension spring and is positioned in the first chamber, and when the piston moves under the action of water pressure, the tension spring axially stretches along the piston chamber.
Compared with the prior art, the invention has the following beneficial effects: through the matching of each channel and the piston assembly, the water pressure generated in the original water inlet process is utilized to realize the absorption and the feeding of the washing liquid, the structure is simple, the operation is reliable, a power source is not required to be additionally arranged, the energy is saved, and the production and maintenance cost is low; the water inlet channel and the water outlet channel are reasonable in design, sufficient water pressure can be generated in the first cavity to push the piston, the action of pushing the piston can be completed by using a small amount of water, and meanwhile, the spring can easily push the piston back after the water pressure disappears; the first one-way valve and the second one-way valve are reasonably arranged, so that a large enough pressure difference can be generated between the second cavity and the liquid inlet channel and the liquid outlet channel, and the liquid suction and discharge reliability of the whole dispensing system is improved.
Drawings
FIG. 1 is a schematic view of an embodiment of the present invention;
FIG. 2 is a schematic view of a second embodiment of the present invention;
FIG. 3 is a third schematic view of the present invention;
FIG. 4 is a fourth schematic view of the present invention;
the labels in the figure are: a piston 11; a first chamber 12; a second chamber 13; a pressure spring 141; a tension spring 142; a water inlet passage 21; a water inlet valve 22; a water outlet passage 23; a pressure relief hole 24; a pressure relief valve 25; a liquid storage box 31; a liquid inlet passage 32; a first check valve 33; a liquid outlet channel 34; a second one-way valve 35.
Detailed Description
The invention will be further described with reference to examples of embodiments shown in the drawings to which:
first embodiment, referring to fig. 1, the present embodiment discloses a liquid dispensing system using water pressure, which is applied to a washing machine for dispensing liquid detergent or softener, etc. Above-mentioned dispensing system includes piston assembly and liquid storage box 31, piston assembly includes piston chamber and piston 11, piston 11 can be at the axial reciprocating motion of piston intracavity edge piston chamber, piston chamber volume is fixed unchangeable, and separate into first chamber 12 and second chamber 13 by piston 11, two chambers are variable along with piston 11's removal volume, when 12 volumes of first chamber grow promptly, 13 volumes of second chamber diminish, 12 volumes of first chamber diminish, 13 volumes of second chamber grow, wash water gets into the washing chamber through first chamber 12, wash liquid gets into the washing chamber through second chamber 13.
A water inlet and a water outlet are arranged on the first chamber 12 at intervals, wherein the water inlet is communicated with the water inlet channel 21, a water inlet valve 22 is arranged at the upstream of the water inlet channel 21, the water outlet is communicated with the water outlet channel 23, the aperture of the water inlet is D1, the aperture of the water outlet is D2, in order to enable the water inflow of the first chamber 12 in unit time to be larger than the water outflow so as to enable the first chamber 12 to generate enough water pressure to push the piston 11 to move, D1 is larger than D2, and the ratio of D1 to D2 is 3:1 in the embodiment; a liquid inlet and a liquid outlet are arranged on the second cavity 13 at intervals, wherein the liquid inlet is communicated with the downstream of the liquid inlet channel 32, the upstream of the liquid inlet channel 32 is communicated with the liquid storage box 31, a detergent is stored in the liquid storage box 31, the liquid outlet is communicated with the liquid outlet channel 34, the liquid inlet channel 32 is provided with a first one-way valve 33 for preventing the washing liquid from flowing back to the liquid storage box 31, and the liquid outlet channel 34 is provided with a second one-way valve 35 for preventing the washing liquid from flowing back to the second cavity 13; the first check valve 33 is arranged close to the liquid inlet, a liquid inlet buffering section can be formed between the first check valve 33 and the liquid inlet, and the first check valve 33 is arranged close to the liquid inlet and can reduce the volume of the liquid inlet buffering section as much as possible, so that when the pressure of the first cavity 12 is reduced, a large enough pressure difference can be generated between the first cavity and the liquid inlet channel 32, the first check valve 33 can be opened, and the reliability of the liquid suction process is improved; the second check valve 35 is arranged close to the liquid outlet, one section of liquid outlet buffering section can be formed between the second check valve 35 and the liquid outlet, the volume of the liquid outlet buffering section can be reduced as much as possible due to the close proximity of the second check valve 35 to the liquid outlet, so that when the pressure of the second chamber 13 is increased, a large enough pressure difference can be generated between the second chamber and the liquid outlet channel 34, the second check valve 35 can be opened, and the reliability of the liquid discharging process is improved.
After the water inlet valve 22 is opened, the washing water enters the first chamber 12, and since the water inlet amount in the first chamber 12 is greater than the water outlet amount in a unit time, the washing water in the first chamber 12 will gradually increase, when the water pressure is large enough, the piston 11 will be pushed to move towards the second chamber 13, the volume of the second chamber 13 will decrease, and the washing liquid in the second chamber will push the second one-way valve 35 open and be discharged from the liquid outlet channel 34; the pressure spring 141 abuts against the force-bearing end face of the piston 11, the force-bearing end face of the piston 11 refers to an end face perpendicular to the axial direction of the piston cavity, the pressure spring 141 is located in the second cavity 13, when the piston 11 moves under the action of water pressure, the pressure spring 141 is compressed along the axial direction of the piston cavity, after the water inlet valve 22 is closed, the water pressure in the first cavity 12 is gradually reduced, the piston 11 is reset under the action of the elastic force of the pressure spring 141, the volume of the second cavity 13 is increased, the pressure is reduced, when a sufficient pressure difference is generated between the second cavity 13 and the liquid inlet channel 32, the first check valve 33 is pushed open by the washing liquid, and the washing liquid in the liquid storage box 31 is. First check valve 33 and second check valve 35 have not only carried out the restriction to feed liquor direction and play liquid direction, guarantee the reliability that the detergent absorption was put in, can also make second chamber 13 and external world produce enough big pressure difference, in order to improve the efficiency that the washing liquid absorbs the input, and can guarantee that piston 11's reciprocating motion stroke is unanimous, make the volume change of second chamber 13 keep unanimous, in order to improve the input precision, through the cooperation of each passageway and piston assembly, the absorption of washing liquid has been realized promptly to the water pressure that utilizes original water inlet process to produce and has been put in, moreover, the steam generator is simple in structure, the operation is reliable, need not to set up the power supply separately, energy-conservation and production and maintenance cost are low.
In the second embodiment, referring to fig. 2, the difference between this embodiment and the first embodiment is that, in order to ensure that the water inflow of the first chamber 12 is greater than the water outflow in a unit time and ensure that sufficient water pressure can be generated in the first chamber to push the piston 11 to move, a pressure relief hole 24 is formed in the water outlet channel 23, the washing water flows out from the pressure relief hole 24, the aperture of the pressure relief hole 24 is D3, D1 is greater than D3, and the ratio of D1 to D3 in this embodiment is 4: 1.
Third embodiment, referring to fig. 3, the difference between the second embodiment and the third embodiment is that a pressure release valve 25 is disposed between the water outlet and the pressure release hole 24, and the pressure release valve 25 can prevent the water inlet channel 21, the first chamber 12, and the water outlet channel 23 from bearing excessive pressure, that is, it is ensured that sufficient water pressure can push the piston 11, and when the water pressure is excessive, the pressure release valve 25 is automatically opened to release the excessive water pressure, so that the service life of the whole system is prolonged.
Fourth embodiment, referring to fig. 4, the present embodiment is different from the first embodiment in that the elastic restoring member is a tension spring 142, which is located in the first chamber 12, when the piston 11 moves under the action of water pressure, the tension spring 142 axially stretches along the piston chamber, after the water inlet valve 22 is closed, the water pressure in the first chamber 12 gradually decreases, and the piston 11 restores under the action of the elastic force of the compression spring 141.
The liquid feeding system utilizing the water pressure disclosed by the invention realizes the absorption and feeding of the washing liquid by utilizing the water pressure generated in the original water inlet process, has a simple structure, high feeding precision in a single time, reliable operation, no need of additionally arranging a power source, energy conservation and low production and maintenance cost; the arrangement of the first check valve 33 and the second check valve 35 ensures that a large enough pressure difference can be generated between the second chamber 13 and the liquid inlet channel 32 and the liquid outlet channel 34, and the reliability of liquid suction and liquid discharge of the whole dispensing system is improved. In practical application, two or more liquid feeding systems can be arranged at the same time, so that feeding of various liquid materials is realized, and the device is simple and reliable.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (9)
1. A liquid throwing system utilizing water pressure is characterized by comprising a piston assembly, wherein the piston assembly comprises a piston cavity, a piston and an elastic resetting piece, the piston can axially reciprocate in the piston cavity, the volume of the piston cavity is fixed and is divided into a first cavity and a second cavity by the piston, and the moving volumes of the two cavities along with the piston are variable; a water inlet and a water outlet are arranged on the first chamber at intervals, wherein the water inlet is communicated with the water inlet channel, and the water outlet is communicated with the water outlet channel; a liquid inlet and a liquid outlet are arranged on the second cavity at intervals, wherein the liquid inlet is communicated with a liquid inlet channel, the liquid outlet is communicated with a liquid outlet channel, a first one-way valve for preventing washing liquid from flowing back is arranged on the liquid inlet channel, and a second one-way valve for preventing the washing liquid from flowing back to the second cavity is arranged on the liquid outlet channel; washing water enters the first chamber from the water inlet and flows out from the water outlet, washing liquid enters the second chamber from the liquid inlet and flows out from the liquid outlet, the water inflow of the first chamber in unit time is greater than the water outflow, the washing water generates water pressure after entering the first chamber and pushes the piston to move towards the second chamber, the volume of the second chamber is reduced, and the piston extrudes the washing liquid in the second chamber from the liquid outlet; elasticity resets and leans on in the atress terminal surface of piston, and water pressure in the first cavity reduces after inhalant canal closes, and the piston resets under elasticity resets the effect of piece, and the volume increase of second cavity, washing liquid are inhaled the second cavity by inhalant canal.
2. The hydraulic liquid delivery system as recited in claim 1, wherein the inlet has a diameter of D1, the outlet has a diameter of D2, D1 > D2, and the ratio of D1 to D2 is greater than 2: 1.
3. The system of claim 1, wherein the outlet channel has a pressure relief hole, and the washing water flows out of the pressure relief hole, the diameter of the pressure relief hole is D3, D1 > D3, and the ratio of D1 to D3 is greater than 3: 1.
4. A liquid delivery system using water pressure according to claim 3, wherein a pressure release valve is provided between the water outlet and the pressure release hole.
5. A liquid delivery system using water pressure according to any one of claims 1-4, wherein the first one-way valve is disposed adjacent to the liquid inlet.
6. A liquid delivery system using water pressure as claimed in claim 5, wherein the second check valve is disposed adjacent to the liquid outlet.
7. A hydraulic fluid dispensing system as claimed in claim 1, wherein the resilient return member is a compression spring, a tension spring, or a coil spring.
8. A hydraulic fluid dispensing system as claimed in claim 7, wherein the resilient return member is a compression spring disposed in the second chamber, the compression spring being compressed axially along the piston chamber when the piston is moved by the hydraulic pressure.
9. A hydraulic fluid dispensing system as claimed in claim 7, wherein the resilient return member is a tension spring disposed in the first chamber, the tension spring being axially extended along the piston chamber when the piston is moved by the hydraulic pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010353971.XA CN111455632A (en) | 2020-04-29 | 2020-04-29 | Liquid delivery system utilizing water pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010353971.XA CN111455632A (en) | 2020-04-29 | 2020-04-29 | Liquid delivery system utilizing water pressure |
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| Publication Number | Publication Date |
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| CN111455632A true CN111455632A (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010353971.XA Pending CN111455632A (en) | 2020-04-29 | 2020-04-29 | Liquid delivery system utilizing water pressure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112808555A (en) * | 2020-12-30 | 2021-05-18 | 江西理工大学 | Liquid phase conveying system for granular materials |
| CN112962272A (en) * | 2021-01-28 | 2021-06-15 | 江苏雷利电机股份有限公司 | Liquid adding pump, dispensing system, washing machine and method for controlling liquid adding pump |
| CN114481563A (en) * | 2020-11-13 | 2022-05-13 | 无锡小天鹅电器有限公司 | Water pressure delivery pump and washing equipment |
| CN114768671A (en) * | 2022-03-14 | 2022-07-22 | 湖北文理学院 | Solution preparation and subpackage device |
-
2020
- 2020-04-29 CN CN202010353971.XA patent/CN111455632A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114481563A (en) * | 2020-11-13 | 2022-05-13 | 无锡小天鹅电器有限公司 | Water pressure delivery pump and washing equipment |
| CN114481563B (en) * | 2020-11-13 | 2023-12-19 | 无锡小天鹅电器有限公司 | Water pressure delivery pump and washing equipment |
| CN112808555A (en) * | 2020-12-30 | 2021-05-18 | 江西理工大学 | Liquid phase conveying system for granular materials |
| CN112962272A (en) * | 2021-01-28 | 2021-06-15 | 江苏雷利电机股份有限公司 | Liquid adding pump, dispensing system, washing machine and method for controlling liquid adding pump |
| CN112962272B (en) * | 2021-01-28 | 2023-06-09 | 江苏雷利电机股份有限公司 | Liquid adding pump, throwing system, washing machine and method for controlling liquid adding pump |
| CN114768671A (en) * | 2022-03-14 | 2022-07-22 | 湖北文理学院 | Solution preparation and subpackage device |
| CN114768671B (en) * | 2022-03-14 | 2024-02-09 | 湖北文理学院 | Solution preparation and split charging device |
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