CN218432681U - Pedal negative pressure liquid distributor - Google Patents
Pedal negative pressure liquid distributor Download PDFInfo
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- CN218432681U CN218432681U CN202222837333.2U CN202222837333U CN218432681U CN 218432681 U CN218432681 U CN 218432681U CN 202222837333 U CN202222837333 U CN 202222837333U CN 218432681 U CN218432681 U CN 218432681U
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Abstract
The utility model discloses a pedal negative pressure liquid distributor, including host computer, liquid negative pressure distributor, hose and gasbag, liquid negative pressure distributor passes through bottle mount and host computer fixed connection, and the host computer passes through hose and gasbag fixed connection, and the gasbag has the venthole, and the venthole passes through hose and hose nipple one end fixed connection. The utility model provides a negative pressure liquid distribution mode, air does not get into the bottle chamber when using, and pressure effect is at the bottle outer wall, and the bottle variant goes out the liquid, both can avoid pathogenic organism to cause cross propagation through the contact pump at the in-process of washing hand, can avoid again that the air admission bottle intracavity is to liquid secondary pollution.
Description
Technical Field
The utility model relates to a pedal negative pressure liquid distributor.
Background
Chinese patent CN203122245U in 2013-08-14 discloses a touch-free emulsion liquid extractor; the device comprises a base plate, a bottle body retainer, an actuating mechanism which is contacted with the emulsion bottle pressing head and can longitudinally stretch and retract to extrude a bottle body pressing head, and an actuating mechanism retainer; the bottle body retainer and the actuating mechanism retainer are arranged on the base plate, and the base plate can be fixed on a wall surface; the actuating mechanism comprises a cylinder and a piston cylinder, the cylinder is longitudinally arranged, the piston cylinder is arranged in the cylinder, and the piston cylinder and the cylinder form a closed air chamber; the air storage bag and an air path pipeline connecting the air storage bag and the closed air chamber in the air cylinder are arranged in the air cylinder; the bottom end of the piston rod is contacted with the bottle body pressing head, the piston cylinder body is longitudinally provided with a through hole communicated with the outside, and the top of the through hole is shielded by an elastic blocking piece; and a return spring is arranged between the lower end of the piston rod and the inner wall of the cylinder.
At present, epidemic situation is abused, viruses are spread rapidly, and contact retransmission is one of the most main spreading modes. Soap lye and disinfectant are used for washing hands in public places, and are common modes for blocking pathogen transmission. When the liquid dispensing pump is used, the pump head is repeatedly touched by a plurality of people, and the interpersonal transmission risk of pathogenic microorganisms through touch is increased. In hospitals, the disease is more likely to spread rapidly, and particularly, hand washing and hand disinfection in surgical operations have higher requirements on a way of eliminating the venom.
The electric liquid discharging mode has the problems of inconvenient power supply, frequent replacement of batteries, electromagnetic compatibility and the like.
Usually, when bottled soap liquid and disinfectant are taken out through a pump head, air enters a bottle, and atmospheric pressure acts on a liquid plane distribution pump to normally use the liquid plane distribution pump. Air enters the bottle to be mixed with liquid, and microorganisms in the air have the risk of secondary pollution to the soap liquid or the disinfectant.
The problem to be solved is to normally take soap solution or disinfectant and avoid secondary pollution caused by contact and air not entering the bottle body.
SUMMERY OF THE UTILITY MODEL
To the above insufficiency of the prior art, according to the embodiment of the present invention, it is desirable to provide a pedal negative pressure liquid dispenser which can avoid cross propagation of pathogenic microorganisms in the hand washing process through a contact pump, and can avoid secondary pollution of air entering into a bottle cavity to liquid. The utility model provides a negative pressure liquid distribution mode, air does not get into the bottle chamber when using, and pressure effect is at the bottle outer wall, and the bottle deformation goes out liquid.
According to the embodiment, the utility model provides a pedal negative pressure liquid distributor, which comprises a main machine, a liquid negative pressure distributor, a hose and an air bag, wherein the liquid negative pressure distributor is fixedly connected with the main machine through a bottle fixing frame, the main machine is fixedly connected with the air bag through the hose, and the pedal negative pressure liquid distributor has the innovation points that,
the liquid negative pressure distributor comprises a negative pressure pump and a soft bottle, the negative pressure pump is fixedly connected with the soft bottle through a bottle cap, and the negative pressure pump comprises a pressure head, a pump column, a lock cover, a gasket, a pump spring, an outer cavity, a piston, a one-way valve, an inner cavity, glass beads and a suction pipe; the pressure head is fixedly connected with the pump column, the lock cover is movably connected with the pump column, the lock cover is fixedly connected with the outer cavity, the inner cavity is fixedly connected with the outer cavity, the gasket is fixedly connected with the inner cavity, the pump spring is movably connected with the pump column, the pump column is fixedly connected with the one-way valve, the one-way valve is fixedly connected with the pump piston, the glass bead is movably connected with the inner cavity, and the suction pipe is fixedly connected with the inner cavity;
the air bag is provided with an air outlet which is fixedly connected with one end of the hose connector through a hose.
According to an embodiment, in the pedal negative pressure liquid dispenser of the present invention, the main body comprises a main body housing, a fixing frame, a cylinder fixing frame, a U-seal, a pump piston, a spring, a fixing plate, a bottle frame and a hose connector; the host shell is fixedly connected with the fixed frame; the air cylinder is fixedly connected with the air cylinder fixing frame through an air cylinder fixing clamp and an air cylinder fixing groove, and the air cylinder fixing frame is fixedly connected with the fixing frame through the air cylinder fixing frame clamp and the air cylinder fixing frame groove; the bottle rack is fixedly connected with the fixing rack through the bottle rack fixing clamp and the bottle rack fixing groove; the hose joint is fixedly connected with the fixed frame through a hose joint groove; the cylinder joint is fixedly connected with one end of the hose joint through an inner hose; the bottom plate is fixedly connected with the fixing frame through the bottom plate fixing clamp and the bottom plate fixing groove; the U seal is fixedly connected through the U seal groove, the inner cavity of the air cylinder is movably connected with the piston, the spring is movably connected with the guide post, and the piston is fixedly connected with the air cylinder fixing frame through the guide port; the piston is provided with an air hole, and the membrane valve is fixedly connected through a membrane valve fixing column;
according to an embodiment, in the pedal negative pressure liquid distributor of the present invention, the air chamber is provided with an air chamber, and the air chamber wall is made of an elastic material.
The utility model discloses technical case and chinese patent CN 203122245U's difference mainly lie in adopting liquid negative pressure distributor to realize that the negative pressure gets liquid. In the liquid taking process, the soft bottle is continuously compressed, air does not enter the soft bottle, and secondary pollution of the air entering the bottle cavity to liquid can be avoided.
Compared with the prior art, the utility model discloses a pedal liquid mode of getting makes people get liquid soap or antiseptic solution when, does not touch liquid device with the hand, gets liquid through pedal mode, can avoid pathogenic microorganism to cause cross propagation through the contact pump in the hand washing process, and liquid negative pressure distributor's design still can avoid the air to get into the bottle intracavity to liquid secondary pollution, has realized that the hand is free from contact and the air does not get into the bottle in the negative pressure and gets liquid, and effective matter cuts off pathogenic microorganism's propagation.
Drawings
Fig. 1 is a perspective view of the appearance of the foot-operated negative pressure liquid dispenser of the present invention.
Fig. 2 is a perspective view of the main body case of the pedal negative pressure liquid distributor of the present invention.
Fig. 3 and 4 are perspective views of the main body structure of the pedal negative pressure liquid distributor of the present invention.
Fig. 5 is a perspective view of the piston of the foot-operated negative pressure liquid dispenser of the present invention.
Fig. 6 is a perspective view of the liquid dispenser with negative pressure of foot operated liquid dispenser according to the present invention.
Fig. 7 is a cross-sectional view of the liquid negative pressure dispenser of the foot operated liquid negative pressure dispenser of the present invention.
FIG. 8 is a perspective and sectional view of the air bag of the pedal negative pressure liquid distributor of the present invention.
Wherein: 1 is a host; 2 is a liquid negative pressure distributor; 3-1 is a hose; 4 is an air bag; 1-1 is a host shell; 1-2 is a fixing frame; 1-3 is a cylinder; 1-4 is a cylinder fixing frame; 1-5 is a bottom plate; 1-6 is a bottle rack; 1-7 are hose connectors; 3-2 is an inner hose; 1-31 are air inlet joints; 1-32 are cylinder fixing clamps; 1-8 is a U seal; 1-9 are pistons; 1-91 are air holes; 1-92 are U-shaped sealing grooves; 1-93 are guide posts; 1-94 are springs; 1-41 is a cylinder fixing frame card; 1-42 are guide openings; 1-43 are cylinder fixing grooves; 1-61 is a bottle rack fixing clip; 1-62 are bottle fixing grooves; 1-71 are hose connectors; 1-21 are cylinder fixing frame grooves; 1-22 are bottle rack fixing grooves; 1-23 are hose joint fixing grooves; 1-51 are bottom plate fixing grooves; 1-52 are fixing holes; 1-53 is a bottom plate fixing clip; 1-91 are air holes; 1-94 are membrane valve fixing columns; 1-95 is a membrane valve; 2-1 is a negative pressure pump; 2-2 is a soft bottle; 2-11 is a pressure head; 2-12 is a pump column; 2-13 is a lock cover; 2-14 is a bottle cap; 2-15 is a gasket; 2-16 are pump springs; 2-17 is an outer cavity; 2-18 are pump pistons; 2-19 is a one-way valve; 2-20 is an inner cavity; 2-21 are glass beads; 2-22 is a straw; 2-23 are soft bottle cavities; 2-24 is the soft bottle wall; 4-1 is the balloon wall; 4-2 is an air bag cavity; 4-3 are air outlets.
Detailed Description
The invention will be further elucidated with reference to the drawings and the embodiments. These examples are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. After reading the description of the present invention, those skilled in the art can make various changes and modifications to the present invention, and these equivalent changes and modifications also fall within the scope of the present invention defined by the claims.
As shown in fig. 1-8, a pedal negative pressure liquid dispenser according to a preferred embodiment of the present invention includes a main unit 1, a liquid negative pressure dispenser 2, a hose 3-1, and an air bag 4. The structure of the main machine 1 is substantially the same as that of the Chinese patent CN 203122245U.
As shown in figure 1, a main machine 1 is fixedly connected with a liquid negative pressure distributor 2 through a bottle rack 1-6, and the main machine 1 is fixedly connected with an air bag 4 through a hose 3-1. As shown in fig. 2, the liquid negative pressure dispenser 2 includes a negative pressure pump 2-1 and a soft bottle 2-2.
As shown in fig. 4-7, the main body housing 1-1 is fixedly connected with the fixing frame 1-2. The cylinder 1-3 is fixedly connected with the cylinder fixing frame 1-4 through a cylinder fixing clip 1-32 and a cylinder fixing groove 1-43. The cylinder fixing frame 1-4 is fixedly connected with the fixing frame 1-2 through a cylinder fixing frame clamp 1-41 and a cylinder fixing frame fixing groove 1-21. The bottle rack 1-6 is fixedly connected with the fixing rack 1-2 through the bottle rack fixing clamp 1-61 and the bottle rack fixing groove 1-22. The hose connectors 1-7 are fixedly connected through the hose connector grooves 1-23. The piston 1-9 is provided with an air hole 1-91, and the membrane valve 1-95 is fixedly connected with the piston 1-9 through a membrane valve fixing column 1-94.
As shown in figure 3, the negative pressure pump 2-1 is fixedly connected with the soft bottle 2-2 through a bottle cap 2-14. The pressure head 2-11 is fixedly connected with the pump column 2-12, the lock cover 2-13 is movably connected with the pump column 2-12, the lock cover 2-13 is fixedly connected with the outer cavity 2-17, the inner cavity 2-20 is fixedly connected with the outer cavity 2-17, the gasket 2-15 is fixedly connected with the inner cavity 2-20, the pump spring 2-16 is movably connected with the pump column 2-12, the pump column 2-12 is fixedly connected with the one-way valve 2-19, the one-way valve 2-19 is fixedly connected with the pump piston 2-18, the glass bead 2-21 is movably connected with the inner cavity 2-20, and the suction pipe 2-22 is fixedly connected with the inner cavity 2-20.
As shown in figure 8, an air bag vent 4-3 is fixedly connected with one end of a hose connector 1-7 through a hose 3-1, an air bag cavity 4-2 is arranged in an air bag 4, and an air bag wall 4-1 is made of elastic materials.
The following describes the implementation of the present invention with reference to fig. 1 to 8.
When taking liquid, a user pedals the air bag wall 4-1, air in the air bag cavity 4-2 is extruded, the air enters the air cylinder 1-3 through the air outlet 4-3, the hose 3-1, the hose connector 1-7, the inner hose 3-2 and the air inlet connector 1-31, the membrane valve 1-94 is closed, the air pressure pushes the piston 1-9 to displace, and the spring 1-94 is compressed. The guide column 1-93 displaces to push the pressure head 2-11 to displace, the pump spring 2-16 is compressed, the pump column 2-12 displaces, the one-way valve 2-18 is opened, and the glass beads 2-21 close the inner cavity 2-20. The liquid in the inner cavity 2-20 flows out through the one-way valve 2-18, the pump column 2-12 and the pressure head 2-11.
The pressure head 2-11 moves, air enters the outer cavity 2-17, the space between the outer cavity 1-27 and the soft bottle cavity 2-23 is sealed (an air inlet hole is arranged on a common pump), and air cannot enter the soft bottle cavity 2-23.
The foot leaves the air bag wall 4-1, the air bag wall 4-1 is restored, the membrane valve 1-94 is opened, air enters the air bag cavity 4-2 through the air inlet hole joint 1-31, the inner hose 3-2, the hose joint 1-7, the hose 3-1 and the air outlet hole 4-3, and the air bag 4 is restored.
The return of the spring 1-94 pushes the piston 1-9 to move and return.
The pump springs 2-16 are restored to push the pressure head 2-11 to be restored, the pump pistons 2-18 are shifted, the one-way valves 2-19 are closed, negative pressure is formed in the inner cavities 2-20, the soft bottle wall is deformed by atmospheric pressure extrusion (the atmospheric pressure of a common pump acts on the upper plane of liquid), the pressure of the soft bottle cavities 2-24 is reduced and increased, the inner cavities 2-20 are opened by extruding liquid glass beads 2-21, and the liquid enters the inner cavities 2-20.
And finishing one liquid taking period, and waiting for the next cycle.
Claims (3)
1. The utility model provides a pedal negative pressure liquid distributor, includes host computer, hose and gasbag, characterized by further includes liquid negative pressure distributor, and liquid negative pressure distributor passes through bottle mount and host computer fixed connection, and the host computer passes through hose and gasbag fixed connection, wherein:
the liquid negative pressure distributor comprises a negative pressure pump and a soft bottle, the negative pressure pump is fixedly connected with the soft bottle through a bottle cap, and the negative pressure pump comprises a pressure head, a pump column, a lock cover, a gasket, a pump spring, an outer cavity, a piston, a one-way valve, an inner cavity, glass beads and a suction pipe; the pressure head is fixedly connected with the pump column, the lock cover is movably connected with the pump column, the lock cover is fixedly connected with the outer cavity, the inner cavity is fixedly connected with the outer cavity, the gasket is fixedly connected with the inner cavity, the pump spring is movably connected with the pump column, the pump column is fixedly connected with the one-way valve, the one-way valve is fixedly connected with the pump piston, the glass bead is movably connected with the inner cavity, and the suction pipe is fixedly connected with the inner cavity;
the air bag is provided with an air outlet which is fixedly connected with one end of the hose connector through a hose.
2. The liquid dispenser of claim 1, wherein the main body comprises a main body housing, a fixing frame, a cylinder fixing frame, a U-seal, a pump piston, a spring, a fixing plate, a bottle frame and a hose connector; the host shell is fixedly connected with the fixed frame; the air cylinder is fixedly connected with the air cylinder fixing frame through an air cylinder fixing clamp and an air cylinder fixing groove, and the air cylinder fixing frame is fixedly connected with the fixing frame through the air cylinder fixing frame clamp and the air cylinder fixing frame groove; the bottle rack is fixedly connected with the fixing rack through the bottle rack fixing clamp and the bottle rack fixing groove; the hose joint is fixedly connected with the fixed frame through a hose joint groove; the cylinder joint is fixedly connected with one end of the hose joint through an inner hose; the bottom plate is fixedly connected with the fixing frame through the bottom plate fixing clamp and the bottom plate fixing groove; the U seal is fixedly connected through the U seal groove, the inner cavity of the air cylinder is movably connected with the piston, the spring is movably connected with the guide post, and the piston is fixedly connected with the air cylinder fixing frame through the guide port; the piston is provided with an air hole, and the membrane valve is fixedly connected with the membrane valve fixing column.
3. The liquid dispenser as claimed in claim 1, wherein the air chamber is provided with an air chamber wall, and the air chamber wall is made of an elastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222837333.2U CN218432681U (en) | 2022-10-27 | 2022-10-27 | Pedal negative pressure liquid distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222837333.2U CN218432681U (en) | 2022-10-27 | 2022-10-27 | Pedal negative pressure liquid distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218432681U true CN218432681U (en) | 2023-02-03 |
Family
ID=85069652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222837333.2U Active CN218432681U (en) | 2022-10-27 | 2022-10-27 | Pedal negative pressure liquid distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218432681U (en) |
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2022
- 2022-10-27 CN CN202222837333.2U patent/CN218432681U/en active Active
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