CN212955830U - Negative suction type automatic throwing device with bidirectional sealing air blocker - Google Patents
Negative suction type automatic throwing device with bidirectional sealing air blocker Download PDFInfo
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- CN212955830U CN212955830U CN202020141153.9U CN202020141153U CN212955830U CN 212955830 U CN212955830 U CN 212955830U CN 202020141153 U CN202020141153 U CN 202020141153U CN 212955830 U CN212955830 U CN 212955830U
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Abstract
The utility model provides a take automatic device of puting in of negative suction type of two-way sealed air blocker, includes water intaking valve, keeps in chamber, detergent box, washtub, be provided with main water inlet and inferior water inlet on the water intaking valve, be connected with main inlet tube between main water inlet and the washtub, be provided with venturi on the main inlet tube, be connected with first connecting pipe between venturi's negative pressure mouth and the chamber of keeping in, keep in and be connected with the second connecting pipe between chamber and the washtub, be equipped with the diverter valve of being connected with the detergent box on the second connecting pipe, inferior water inlet is connected with inferior inlet tube, inferior inlet tube with first connecting pipe intercommunication, be provided with the air blocker on the inferior inlet tube.
Description
Technical Field
The utility model belongs to the technical field of washing machine accessory, concretely relates to take automatic device of puting in of burden formula of two-way seal air blocking ware.
Background
The existing washing equipment such as washing machine or dish washer has automatic feeding device using detergent, the device needs to put the washing solution in the solution storage box in advance, the washing solution in the storage box is pumped out during washing and is fed into the washing barrel to be washed, the existing automatic feeding washing equipment mainly uses negative pressure type and pump feeding type to realize the effect of automatic feeding, for example, Chinese patent with publication number CN105442263B discloses an automatic feeding device and control method thereof and washing machine with the same, the automatic feeding device comprises: water pipe, storage box and input pump, water pipe is used for connecting water source and washing machine, input pump the entry end with the storage box links to each other, just input pump the exit end with water pipe links to each other, input pump be used for to with put in the washing machine that the device links to each other automatically and put in the washing material. According to the scheme, the detergent can be automatically put in, but part of the detergent is remained in the pipeline after the detergent is put in, the detergent is dissolved in water when the pipeline is full of water, and after the water supply of the tap water pipeline is stopped, the water mixed with the detergent possibly flows back under the action of siphon, so that the tap water pipeline is possibly polluted.
Disclosure of Invention
The utility model discloses water in the pipeline to among the automatic washing equipment of puting in among the prior art can be polluted by washing equipment, and the drawback of the automatic device of puting in of burden formula can't use conventional air block again provides a take the automatic device of puting in of burden formula of two way seal's air block, and the device utilizes and selects the UNICOM with the air, prevents the production of siphon, realizes avoiding the effect of siphon to can normally realize the automatic effect of puting in of burden formula.
The invention aims to be realized by the following technical scheme: the utility model provides a take automatic device of puting in of negative suction type of two-way sealed air blocker, includes water intaking valve, keeps in chamber, detergent box, washtub, be provided with main water inlet and inferior water inlet on the water intaking valve, be connected with main inlet tube between main water inlet and the washtub, be provided with venturi on the main inlet tube, be connected with first connecting pipe between venturi's negative pressure mouth and the chamber of keeping in, keep in and be connected with the second connecting pipe between chamber and the washtub, be equipped with the diverter valve of being connected with the detergent box on the second connecting pipe, inferior water inlet is connected with inferior inlet tube, inferior inlet tube with first connecting pipe intercommunication, be provided with the air blocker on the inferior inlet tube. Can realize the automation of detergent through setting up parts such as main inlet tube, venturi and put in, after putting in, can wash first connecting pipe, second connecting pipe, the remaining detergent of intracavity of keeping in through setting up inferior inlet tube. The air blocker can effectively prevent water mixed with detergent in the automatic feeding device of the washing equipment from flowing back to a tap water pipeline after siphoning is generated.
Preferably, the air blocker comprises a shell, an inner cavity is arranged in the shell, a water inlet, a water outlet and an air communicating port are arranged on the shell, the water inlet and the air communicating port are respectively communicated with the inner cavity, the lower end of the inner cavity is provided with an inner water outlet communicated with the water outlet, the inner water outlet is positioned right below the air communicating port, a bidirectional valve core which can move back and forth along the air communication port and can block the inner water outlet is arranged in the inner cavity, a gap is reserved between the bidirectional valve core and the air communication port, a sealing ring matched with the air communication port is fixedly connected on the bidirectional valve core, a spring capable of pressing the bidirectional valve core to the inner water outlet is arranged between the bidirectional valve core and the shell, a water baffle is fixedly connected to the bidirectional valve core, a gap is reserved between the water baffle and the inner cavity of the shell, and the joint of the water inlet and the inner cavity is positioned below the water baffle; the secondary water inlet pipe is divided into two sections, and the two sections of secondary water inlet pipes are respectively connected with the water inlet and the water outlet on the air blocker. When having rivers to pass through in the air blocking device, promote the breakwater on the two-way case through rivers, make two-way case rebound, until sealing washer and air UNICOM mouthful cooperation, can block the entering of air UNICOM mouthful air this moment, thereby the delivery port in is blockked up in the automatic resilience of two-way case under the effect of spring when not having the rivers circulation, and the inlet tube passes through air UNICOM mouth and outside air intercommunication this moment, realizes preventing the effect of siphon.
Preferably, the diameter of the inner water outlet is smaller than the diameter of the water outlet. The diameter of interior delivery port is less than the diameter of export and can makes the velocity of flow of delivery port rivers accelerate, can wash cleaner that the detergent that remains in the pipeline washes.
Preferably, a flowmeter is arranged on the first connecting pipe and is positioned between the joint of the secondary water inlet pipe and the first connecting pipe and the negative pressure port of the venturi tube. The flowmeter is additionally arranged to detect the flow of water flow in the water pipe.
Preferably, the end part of the bidirectional valve core facing the inner water outlet is provided with a sealing sleeve made of rubber. The sealing sleeve is arranged at the end part of the bidirectional valve core facing the inner water outlet, so that the sealing performance of the bidirectional valve core is better when the bidirectional valve core seals the inner water outlet.
Preferably, the end part of the bidirectional valve core facing the inner water outlet is fixedly connected with a clamping part, and the upper end of the sealing sleeve is provided with a clamping groove matched with the clamping part. The clamping groove is arranged, so that the sealing sleeve can be clamped into the clamping groove more conveniently.
Preferably, the clamping portion comprises a clamping column fixedly connected with the bidirectional valve core, a clamping block is fixedly connected to the bottom of the clamping column, and the side face of the clamping block protrudes outwards relative to the clamping column. The side edge of the clamping block protrudes outwards, so that the sealing sleeve can be clamped more easily when being clamped.
Preferably, the inner water outlet is a circular ring-shaped structure protruding towards the inner cavity.
Preferably, the water baffle is perpendicular to the bidirectional valve core, and a through hole is formed in the water baffle. The through holes on the water baffle are convenient for water flows on the upper side and the lower side of the water baffle to flow.
Preferably, the water inlet is higher than the water outlet, so that water in the pipeline is prevented from flowing back to the tap water pipe when siphoning occurs.
Compared with the prior art, the utility model discloses following beneficial effect has: under the normal condition of the air blocker, when the secondary water outlet of the water inlet valve does not discharge water, the bidirectional valve core is in contact and sealed with the secondary water outlet end due to the elastic action of the elastic device, so that the secondary water inlet is communicated with the air communicating port, the water inlet valve is communicated with the atmosphere through the secondary water outlet, and the anti-siphon effect is realized; when the secondary water inlet end starts to feed water, the bidirectional valve core overcomes the elasticity of the elastic device and is in contact seal with the air communication port end due to the action of water flow difference and water pressure; when the whole device connected with the tap water system generates a siphon effect, the air blocker is positioned at the secondary water outlet of the water inlet valve and communicated with the atmosphere, so that the suction force of the siphon can be balanced, the siphon is disabled, and sewage is prevented from flowing into the tap water system.
Drawings
FIG. 1 is a schematic structural diagram of an automatic dispensing control device;
FIG. 2 is a schematic view of the internal structure of the air blocker;
FIG. 3 is a schematic view of an air blocker in use;
FIG. 4 is a schematic diagram of an air blocker in a normal state;
FIG. 5 is a schematic view of a bi-directional valve cartridge;
FIG. 6 is an enlarged view of a portion A of FIG. 5;
the labels in the figure are: 1. A water inlet valve; 2. a main water inlet; 3. a secondary water inlet; 4. a venturi tube; 5. a negative pressure port; 6. a temporary storage cavity; 7. a switching valve; 8. an air blocker; 801. a housing, 802, an inner cavity; 902. a water inlet 901 and a water outlet; 10. a bi-directional spool; 11. a spring; 12. a flow meter; 13. a seal ring; 14. an air communication port; 15. a detergent box; 16. sealing sleeves; 17. an inner water outlet; 18. a water baffle; 19. a clamping block; 20. clamping the column; 21. a clamping part; 22. a washing tub; 23. a through hole; 24. a main water inlet pipe; 25. a secondary water inlet pipe; 26. a first connecting pipe; 27. a second connecting pipe.
Detailed Description
The invention will be further described with reference to the embodiments shown in the drawings to which:
example 1
As shown in fig. 1, 2, 3, 4, and 5, a negative suction type automatic dispensing device with a bidirectional sealing air blocker is characterized by comprising a water inlet valve 1, a temporary storage chamber 6, a detergent box 15, and a washing barrel 22, wherein the water inlet valve 1 is provided with a main water inlet 2 and a secondary water inlet 3, a main water inlet pipe 24 is connected between the main water inlet 2 and the washing barrel 22, the main water inlet pipe 24 is provided with a venturi tube 4, a first connecting pipe 26 is connected between a negative pressure port 5 of the venturi tube 4 and the temporary storage chamber 6, the first connecting pipe 26 is provided with a flow meter 12, the flow meter 12 is positioned between the connection of the secondary water inlet pipe and the first connecting pipe 26 and the negative pressure port 5 of the venturi tube 4, the flow meter 12 is additionally arranged to detect the flow rate of water flow in a water pipe, a second connecting pipe 27 is connected between the temporary storage chamber 6 and the washing barrel 22, the second connecting pipe 27 is provided, the secondary water inlet 3 is connected with a secondary water inlet pipe 25, the secondary water inlet pipe 25 is communicated with the first connecting pipe 26, and an air blocker 8 is arranged on the secondary water inlet pipe 25; when the main water inlet 2 of the water inlet valve 1 starts to feed water, water passes through the venturi tube 4 to generate negative pressure, the negative pressure generated by the negative pressure port 5 sucks detergent placed in the detergent box 15 into the temporary storage cavity 6, and at the moment, the bidirectional valve core 10 of the air blocker 8 is in contact seal with the inner water outlet 17 under the action of the spring 11, so that the secondary water outlet 901 of the air blocker 8 is prevented from air leakage, and the negative pressure cannot act.
As shown in fig. 1, 2, 3 and 4, the air blocking device 8 includes a housing 801, an inner cavity 802 is disposed in the housing 801, a water inlet 902, a water outlet 901 and an air communicating port 14 are disposed on the housing, the water inlet 902 and the air communicating port 14 are respectively communicated with the inner cavity 802, an inner water outlet 17 communicated with the water outlet 902 is disposed at a lower end of the inner cavity 802, the inner water outlet 17 is located under the air communicating port 14, a two-way valve element 10 capable of moving back and forth along the air communicating port 14 and blocking the inner water outlet 17 is disposed in the inner cavity 802, a gap is left between the two-way valve element 10 and the air communicating port 14, a sealing ring 13 matched with the air communicating port 14 is fixedly connected to the two-way valve element 10, a spring 11 capable of pressing the two-way valve element 10 to the inner water outlet 17 is disposed between the two-way valve element 10 and the housing 801, a water, a gap is reserved between the water baffle 18 and the inner cavity 802 of the shell, and the joint of the water inlet 902 and the inner cavity 802 is positioned below the water baffle 18; the secondary water inlet pipe 25 is divided into two sections, the two sections of secondary water inlet pipes 25 are respectively connected with a water inlet 902 and a water outlet 901 on the air blocking device 8, when water flows through the air blocking device 8, the water baffle 18 on the bidirectional valve core 10 is pushed by the water flow to enable the bidirectional valve core 10 to move upwards until the sealing ring 13 is matched with the air communicating hole 14, the air entering of the air communicating hole 14 can be blocked, the bidirectional valve core 10 automatically rebounds under the action of the spring 11 when no water flows through so as to block the inner water outlet 17, and the secondary water inlet pipe 3 is communicated with the outside air through the air communicating hole 14, so that the anti-siphon effect is realized; the diameter of the inner water outlet 17 is smaller than that of the water outlet 901, so that the flow speed of water flow of the water outlet 901 can be increased, and detergent remained in a pipeline can be washed more cleanly; the inner water outlet 17 is a circular ring-shaped structure protruding towards the inner cavity 802; the water inlet 902 is higher than the water outlet 901, so that water in the pipeline is prevented from flowing back to a tap water pipe when siphoning occurs.
As shown in fig. 2, 5 and 6, a sealing sleeve 16 made of rubber is arranged at the end part of the bidirectional valve core 10 facing the inner water outlet 17, and the sealing sleeve 16 is arranged at the end part of the bidirectional valve core 10 facing the inner water outlet 17, so that the sealing performance of the bidirectional valve core 10 is better when the bidirectional valve core 10 seals the inner water outlet 17; the end part, facing the inner water outlet 17, of the bidirectional valve core 10 is fixedly connected with a clamping part 21, the upper end of the sealing sleeve 16 is provided with a clamping groove matched with the clamping part 21, and the clamping groove is arranged to enable the sealing sleeve 16 to be clamped more conveniently; the clamping portion 21 comprises a clamping column 20 fixedly connected with the bidirectional valve core 10, a clamping block 19 is fixedly connected to the bottom of the clamping column 20, the side face of the clamping block 19 protrudes outwards relative to the clamping column 20, and the side edge of the clamping block 21 protrudes outwards, so that the sealing sleeve 16 can be clamped easily when clamped; the water baffle 18 is perpendicular to the two-way valve core 10, a through hole 23 is formed in the water baffle 18, and the water flow on the upper side and the lower side of the water baffle 18 is convenient to flow due to the arrangement of the through hole 23 in the water baffle.
When the utility model is used specifically; when the main water inlet 2 of the water inlet valve 1 starts to feed water, water generates negative pressure through the venturi tube 4, when detergent needs to be put in, the switching valve 7 is opened, the negative pressure port 5 generates negative pressure to suck the detergent in the detergent box 15 into the temporary storage cavity 6, and at the moment, the bidirectional valve core 10 of the air blocker 8 is in contact seal with the inner water outlet 17 of the air blocker 8 under the action of the spring 11, so that the air leakage of the water outlet 902 of the air blocker 8 is prevented, and the negative pressure cannot act on the secondary water inlet 3 on the water inlet valve 1; when the secondary water inlet 3 of the water inlet valve 1 starts to feed water, the main water inlet 2 does not feed water, the water enters from the water inlet 901 of the air blocking device 8, and the acting force generated by the difference of the water flow cross sections of the inlet and the outlet 902 of the bidirectional valve core 10 is utilized to push the bidirectional valve core 10 to move upwards to enable the sealing ring 13 to be in contact with and sealed with the air communicating port 14, so that the water flows out from the water outlet 901 after passing through the inner water outlet 17 of the air blocking device 8 to flush the detergent in the temporary storage cavity 6, the first connecting pipe 26 and the second connecting pipe 27. Under the normal state of the air blocker 8, the secondary water inlet 3 of the water inlet valve 1 does not discharge water, the bidirectional valve core 10 is in contact seal with the inner water outlet 17 due to the elastic force of the spring 11, so that the water inlet 3 is communicated with the air communication port 14, the water inlet valve 1 is communicated with the atmosphere through the water outlet 3, and the anti-siphon effect is realized; when the secondary water inlet 3 starts to feed water, due to the action of water flow difference and water pressure, the bidirectional valve core 10 overcomes the elasticity of the spring 11 and is in contact sealing with the end of the air communicating port 14, when the whole device connected with the tap water system generates a siphon effect, the air blocker 8 is positioned at the secondary water inlet 3 of the water inlet valve 1 and is communicated with the atmosphere, the suction force of siphon can be balanced, siphon failure is caused, and sewage is prevented from flowing into the tap water system.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. A negative-suction type automatic dispensing device with a bidirectional sealing air blocker is characterized by comprising a water inlet valve (1), a temporary storage cavity (6), a detergent box (15) and a washing barrel (22), the water inlet valve is provided with a main water inlet (2) and a secondary water inlet (3), a main water inlet pipe (24) is connected between the main water inlet and the washing barrel, the main water inlet pipe is provided with a Venturi tube (4), a first connecting pipe (26) is connected between the negative pressure port (5) of the Venturi tube and the temporary storage cavity (6), a second connecting pipe (27) is connected between the temporary storage cavity and the washing barrel, a switching valve (7) connected with the detergent box is arranged on the second connecting pipe, the inferior water inlet is connected with inferior inlet tube (25), inferior inlet tube with first connecting pipe intercommunication, be provided with air blocking ware (8) on the inferior inlet tube.
2. The negative-suction automatic dispensing device with the bidirectional sealing air blocker according to claim 1, wherein the air blocker comprises a housing (801), an inner cavity (802) is formed in the housing, a water inlet (902), a water outlet (901) and an air communicating port (14) are formed in the housing, the water inlet and the air communicating port are respectively communicated with the inner cavity, an inner water outlet (17) communicated with the water outlet is formed in the lower end of the inner cavity, the inner water outlet is positioned right below the air communicating port, a bidirectional valve element (10) which can move back and forth along the air communicating port and can block the inner water outlet is arranged in the inner cavity, a gap is formed between the bidirectional valve element and the air communicating port, a sealing ring (13) matched with the air communicating port is fixedly connected to the bidirectional valve element, and a spring (11) which can press the bidirectional valve element to the inner water outlet is arranged between the bidirectional valve element and, a water baffle (18) is fixedly connected to the bidirectional valve core, a gap is reserved between the water baffle and the inner cavity of the shell, and the joint of the water inlet and the inner cavity is positioned below the water baffle; the secondary water inlet pipe is divided into two sections, and the two sections of secondary water inlet pipes are respectively connected with the water inlet and the water outlet on the air blocker.
3. The negative-suction automatic dispensing device with the bidirectional sealing air blocker according to claim 2, wherein the water baffle is perpendicular to the bidirectional valve core, and is provided with a through hole (23).
4. The negative-suction automatic dispensing device with the bidirectional sealing air blocker according to claim 2 or 3, wherein the inner water outlet is a circular ring structure protruding towards the inner cavity.
5. Negative-suction automatic dispensing device with a bidirectional sealing air blocker according to claim 4, characterized in that the end of the bidirectional valve core facing the inner water outlet is provided with a sealing sleeve (16) made of rubber.
6. The negative-suction automatic dispensing device with the bidirectional sealing air blocker is characterized in that a clamping portion (21) is fixedly connected to the end portion, facing the inner water outlet, of the bidirectional valve core, and a clamping groove matched with the clamping portion is formed in the upper end of the sealing sleeve.
7. The negative-suction automatic dispensing device with the bidirectional sealing air blocker according to claim 6, wherein the locking portion comprises a locking post (20) fixedly connected to the bidirectional valve element, a locking block (19) is fixedly connected to the bottom of the locking post, and a side surface of the locking block protrudes outward relative to the locking post.
8. The negative-suction automatic dispensing device with the bidirectional sealing air blocker according to claim 2, wherein the diameter of the inner water outlet is smaller than that of the water outlet.
9. The negative-suction automatic dispensing device with the bidirectional sealing air blocker according to claim 2, wherein the water inlet is higher than the water outlet.
10. The negative-suction automatic dispensing device with the bidirectional sealing air blocker is characterized in that a flow meter (12) is arranged on the first connecting pipe and is positioned between the joint of the secondary water inlet pipe and the first connecting pipe and the negative pressure port of the venturi tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020141153.9U CN212955830U (en) | 2020-01-21 | 2020-01-21 | Negative suction type automatic throwing device with bidirectional sealing air blocker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020141153.9U CN212955830U (en) | 2020-01-21 | 2020-01-21 | Negative suction type automatic throwing device with bidirectional sealing air blocker |
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| Publication Number | Publication Date |
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| CN212955830U true CN212955830U (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020141153.9U Active CN212955830U (en) | 2020-01-21 | 2020-01-21 | Negative suction type automatic throwing device with bidirectional sealing air blocker |
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| CN (1) | CN212955830U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114769233A (en) * | 2022-06-13 | 2022-07-22 | 深圳市帝迈生物技术有限公司 | Cleaning equipment, cleaning method and sample analyzer |
-
2020
- 2020-01-21 CN CN202020141153.9U patent/CN212955830U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114769233A (en) * | 2022-06-13 | 2022-07-22 | 深圳市帝迈生物技术有限公司 | Cleaning equipment, cleaning method and sample analyzer |
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