Foam pump vacuum bottle
By designing the foam vacuum pump without connecting the straw, the piston unidirectional valve principle is used to achieve the no need to spray the liquid straw, solve the problem that the liquid cannot pump in the existing technology, and extend the shelf life of the liquid.
Patent Information
- Application Number
- CN202421134152.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-05-23
AI Technical Summary
Existing vacuum foam bottles cannot be pumped smoothly when there is less liquid, and the contact between the liquid and the air causes the oxidation of special liquids, affecting the shelf life.
Design a foam vacuum pump without connecting straws, using the internal piston unilateral valve principle, only pumping the liquid outlet does not inject air inward, forming a vacuum, forcing the piston inside the bottle to rise with the liquid, and to achieve the liquid without a straw.
The problem that cannot be pumped when the liquid is less, avoids contact with external air, extended the shelf life of special liquids, and simplifies the structure.
Smart Images

Figure CN222401897U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of foam pump vacuum bottles, in particular to a foam pump vacuum bottle. Background Art
[0002] Most toiletries, such as facial cleansers, shower gels, dishwashing liquids, shampoos, etc., contain a large amount of surfactants. These toiletries are mixed with water and rubbed thoroughly. The interaction between air, water and surfactants can produce foam, but they cannot be foamed directly. Foam bottles can directly foam the toiletries. After foaming, the contact area of the surfactant is larger and the effect is better. The application of foam bottles will become more and more extensive.
[0003] The pump body of the current vacuum foam bottle needs to use a connecting straw to extend into the bottle body to ensure that the liquid in the bottle body is smoothly transported out through the pump body. When there is less liquid in the bottle body, it cannot be pumped out smoothly.
[0004] Therefore, the utility model designs a foam pump vacuum bottle. Utility Model Content
[0005] The utility model aims to provide a foam pump vacuum bottle to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a foam pump vacuum bottle, comprising a bottle body; a connecting seat is provided at the bottle mouth of the bottle body through a threaded engagement, and a foam vacuum pump that can mix the liquid in the bottle body with air to form foam output is provided on the inner side of the connecting seat, and a guide seat is provided at the edge of the connecting seat, and a head cap that can be used to press the foam vacuum pump is provided on the inner side of the guide seat, and a foam outlet is provided on the head cap, and the foam outlet is connected to the foam vacuum pump, and a transparent top cover is covered on the outer side of the head cap, and the transparent top cover is limitedly engaged with the bottom end of the guide seat, and an inner bottle piston is movably provided inside the bottle body, and the inner bottle piston is attached to the inner wall of the bottle body.
[0007] Preferably, the foam vacuum pump comprises a PP body, a PE large piston, a PE blade, an air inlet, a PE piston rod and a glass bead and a connecting seat, wherein the connecting seat is located on the inner side of the connecting seat, the top of the connecting seat is connected to the foam outlet, the PP body is fixedly mounted on the inner bottom of the connecting seat, the center of the connecting seat is connected to a PE piston rod with two ends passing through, the interior of the PP body is formed with an independent upper piston chamber and a lower piston chamber through the PE piston rod, the PE large piston is located in the upper piston chamber, the PE large piston is fixedly connected to the bottom of the connecting seat, and the side of the PE large piston is fixedly mounted on the inner bottom of the connecting seat. The edge is in contact with the inner wall of the upper piston chamber, the bottom end of the PE piston rod can move vertically up and down in the lower piston chamber, the bottom end of the lower piston chamber is connected with the interior of the bottle body, the bottom end of the lower piston chamber is a funnel-shaped connecting port, and a glass bead that can be used for sealing is placed at the funnel-shaped connecting port, an elastic switching switch with opening and closing functions is arranged in the lower piston chamber, a glass bead that can be connected with the outside is also arranged on the connecting seat, and an air outlet channel connected with the upper end of the interior of the connecting seat is also arranged on the connecting seat, and a PE blade for switching air intake and air outlet is arranged between the glass bead and the air outlet channel.
[0008] Preferably, the elastic switching switch includes a PP sub-column, a PP pull rod and a spring, the PP pull rod is movably located on the inner side of the PE piston rod, the PP sub-column is installed at the bottom end of the lower piston cavity, the bottom end of the PP pull rod extends to the inside of the PP pull rod for limited lifting and sliding, the spring is sleeved on the outer side of the PP sub-column, the bottom end of the spring is abutted against the PP sub-column, and the top end of the spring extends into the PE piston rod and abuts against the PE piston rod, the top end opening of the PE piston rod is a funnel-shaped structure, and the top end structure of the PP pull rod matches the top end opening structure of the PE piston rod.
[0009] Preferably, a PE gasket for sealing is provided between the edge of the PP body and the connecting seat.
[0010] Preferably, a net for assisting frothing is installed on the inner side of the top end of the connecting seat, and a bottle bottom shell is provided at the bottom of the bottle body.
[0011] Compared with the prior art, the utility model has the following beneficial effects: a foam vacuum pump without a connected straw is designed in the utility model, and the principle of an internal piston one-way valve is utilized to only pump liquid outwards without injecting air inwards, thereby forming a vacuum and forcing the piston in the bottle to rise with the liquid, so that the liquid in the bottle can be pumped out and sprayed out without a straw; the structure is simpler, thus avoiding the problem of being unable to be pumped out smoothly when there is less liquid in the bottle; and the liquid in the foam bottle is not in contact with the external air, thus effectively preventing the oxidation of the special liquid and extending the shelf life. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1It is a schematic diagram of the external structure of the utility model.
[0013] Figure 2 It is a cross-sectional structural schematic diagram of the utility model.
[0014] 1. Bottle body; 2. Transparent top cover; 3. Guide seat; 4. Bottle bottom shell; 5. Piston in the bottle; 6. Connecting seat; 7. Head cap; 8. Foam outlet; 9. Netcom; 10. PE gasket; 11. PE large piston; 12. Air inlet; 13. PE blades; 14. PP body; 15. PP sub-column; 16. PP pull rod; 17. Upper piston chamber; 18. PE piston rod; 19. Lower piston chamber; 20. Glass beads; 21. Spring; 22. Connecting seat. DETAILED DESCRIPTION
[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0016] See also Figure 1-2 The utility model provides a technical solution: a foam pump vacuum bottle, comprising a bottle body 1; a connecting seat 6 is arranged at the bottle mouth of the bottle body 1 through a threaded engagement, a foam vacuum pump that can mix the liquid in the bottle body 1 with air to form foam output is arranged on the inner side of the connecting seat 6, a guide seat 3 is arranged on the edge of the connecting seat 6, a head cap 7 that can be used to press the foam vacuum pump is arranged on the inner side of the guide seat 3, a foam outlet 8 is arranged on the head cap 7, and the foam outlet 8 is connected to the foam vacuum pump, and a transparent top cover 2 is sleeved on the outer side of the head cap 7, and the transparent top cover 2 The bottom end of the guide seat 3 is engaged with the inner piston 5, and the bottle body 1 is movably provided with an inner piston 5, which is attached to the inner wall of the bottle body 1; the foam vacuum pump is used to only draw liquid outward without injecting air inward, thereby forming a vacuum, forcing the inner piston 5 to rise with the liquid, so that the liquid in the bottle body 1 can be drawn out and sprayed out without a straw; the structure is simpler, and the problem of not being able to be pumped out smoothly when there is less liquid in the bottle body 1 is avoided; and the liquid in the foam bottle does not come into contact with the external air, which can effectively prevent the oxidation of special liquids and extend the shelf life.
[0017] In this embodiment, preferably, the foam vacuum pump includes a PP body 14, a PE large piston 11, a PE blade 13, an air inlet 12, a PE piston rod 18, a glass bead 20 and a connecting seat 22, wherein the connecting seat 22 is located on the inner side of the connecting seat 6, and the top of the connecting seat 22 is connected to the foam outlet 8. The PP body 14 is fixedly mounted on the inner bottom of the connecting seat 6, and the center position of the connecting seat 22 is connected to a PE piston rod 18 with both ends passing through. The interior of the PP body 14 is formed with an independent upper piston chamber 17 and a lower piston chamber 19 through the PE piston rod 18, and the PE large piston 11 is located in the upper piston chamber 17, and the PE large piston 11 is fixedly connected to the bottom of the connecting seat 22, and the side of the PE large piston 11 fits with the inner wall of the upper piston chamber 17. The bottom end of the PE piston rod 18 can move vertically up and down in the lower piston chamber 19, the bottom end of the lower piston chamber 19 is connected with the interior of the bottle body 1, the bottom end of the lower piston chamber 19 is a funnel-shaped connecting port, and a glass bead 20 that can be used for sealing is placed at the funnel-shaped connecting port, and an elastic switching switch with opening and closing functions is arranged in the lower piston chamber 19, and a glass bead 20 that can be connected with the outside is also arranged on the connecting seat 22, and an air outlet channel connected with the upper end of the interior of the connecting seat 22 is also arranged on the connecting seat 22, and a PE blade 13 for switching air intake and air outlet is arranged between the glass bead 20 and the air outlet channel; in this embodiment, preferably, the elastic switching switch includes a PP sub-column 15, a PP pull rod 16 and a spring 21, and the PP pull rod 16 is movably located at the PE active On the inner side of the plug rod 18, the PP sub-column 15 is installed at the bottom end of the lower piston chamber 19, and the bottom end of the PP pull rod 16 extends to the PP pull rod 16 to limit the lifting and sliding. The spring 21 is sleeved on the outer side of the PP sub-column 15, and the bottom end of the spring 21 is against the PP sub-column 15, and the top end of the spring 21 extends into the PE piston rod 18 and against the PE piston rod 18. The top opening of the PE piston rod 18 is a funnel-shaped structure, and the top structure of the PP pull rod 16 matches the top opening structure of the PE piston rod 18. By pressing the head cap 7, the PE large piston 11 moves downward synchronously, increasing the air pressure in the upper piston chamber 17, and the air outlet sealing blade on the PE blade 13 is pushed open, and the air is discharged. At the same time, the PE piston rod 18 is pressed down, so that the lower piston chamber 19 The pressure inside increases, the glass bead 20 blocks the bottom end of the lower piston chamber 19, the top of the PP pull rod 16 is separated from the PE piston rod 18, so that the PE piston rod 18 is opened, and the liquid in the lower piston chamber 19 is transported to the connecting seat 22 through the PE piston rod 18, and the liquid and air are mixed through the net 9 to produce foam, and then discharged from the foam outlet 8. When released, due to the low pressure in the upper piston chamber 17, the spring 21 pushes up the PE piston rod 18, and the air inlet 12 is opened to intake air. In addition, when released, the pressure in the lower piston chamber 19 is lower than the pressure inside the bottle body 1, so the glass bead 20 is pushed up, and the liquid is sucked into the lower piston chamber 19 again, waiting for the next pressing output; at the same time, due to the pressure difference, the piston 5 in the bottle also moves upward to lift the liquid.
[0018] In the present embodiment, preferably, a PE gasket 10 for sealing is provided between the edge of the PP body 14 and the connecting seat 6 to ensure good sealing; in the present embodiment, preferably, a net 9 for assisting foaming is installed on the inner side of the top end of the connecting seat 22, and a bottle bottom shell 4 is provided at the bottom of the bottle body 1 to facilitate the addition of liquid in order to achieve disassembly.
[0019] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A foam pump vacuum bottle, comprising a bottle body (1); characterized in that: A connecting seat (6) is provided at the mouth of the bottle body (1) through a threaded engagement, and a foam vacuum pump that can mix the liquid in the bottle body (1) with air to form a foam output is provided on the inner side of the connecting seat (6), and a guide seat (3) is provided on the edge of the connecting seat (6), and a head cap (7) that can be used to press the foam vacuum pump is provided on the inner side of the guide seat (3), and a foam outlet (8) is provided on the head cap (7), and the foam outlet (8) is connected to the foam vacuum pump, and a transparent top cover (2) is sleeved on the outer side of the head cap (7), and the transparent top cover (2) is limitedly engaged with the bottom end of the guide seat (3), and an inner bottle piston (5) is movably provided inside the bottle body (1), and the inner bottle piston (5) is attached to the inner wall of the bottle body (1).
2. The foam pump vacuum bottle according to claim 1, characterized in that: The foam vacuum pump comprises a PP body (14), a PE large piston (11), a PE blade (13), an air inlet (12), a PE piston rod (18), a glass bead (20) and a connecting seat (22). The connecting seat (22) is located on the inner side of the connecting seat (6). The top of the connecting seat (22) is connected to the foam outlet (8). The PP body (14) is fixedly mounted on the inner bottom of the connecting seat (6). The center of the connecting seat (22) is connected to a PE piston rod (18) with both ends passing through. The interior of the PP body (14) forms an upper piston chamber (17) and a lower piston chamber (19) which are independent of each other through the PE piston rod (18). The PE large piston (11) is located in the upper piston chamber (17). The PE large piston (11) is fixedly connected to the bottom of the connecting seat (22). The bottle body (1) is fixedly connected to the bottle body, the side of the PE large piston (11) is in contact with the inner wall of the upper piston chamber (17), the bottom end of the PE piston rod (18) can move vertically up and down in the lower piston chamber (19), the bottom end of the lower piston chamber (19) is connected to the inside of the bottle body (1), the bottom end of the lower piston chamber (19) is a funnel-shaped connecting opening, and a glass bead (20) that can be used for sealing is placed at the funnel-shaped connecting opening, an elastic switching switch with opening and closing functions is arranged in the lower piston chamber (19), the connecting seat (22) is also provided with a glass bead (20) that can be connected to the outside, and the connecting seat (22) is also provided with an outlet channel that is connected to the upper end of the inside of the connecting seat (22), and a PE blade (13) for switching between air intake and air outlet is arranged between the glass bead (20) and the outlet channel.
3. The foam pump vacuum bottle according to claim 2, characterized in that: The elastic switching switch comprises a PP sub-column (15), a PP pull rod (16) and a spring (21). The PP pull rod (16) is movably located on the inner side of the PE piston rod (18). The PP sub-column (15) is installed at the bottom end of the lower piston chamber (19). The bottom end of the PP pull rod (16) extends into the PP pull rod (16) to limit the lifting and sliding. The spring (21) is sleeved on the outer side of the PP sub-column (15). The bottom end of the spring (21) abuts against the PP sub-column (15), and the top end of the spring (21) extends into the PE piston rod (18) and abuts against the PE piston rod (18). The top end opening of the PE piston rod (18) is a funnel-shaped structure. The top end structure of the PP pull rod (16) matches the top end opening structure of the PE piston rod (18).
4. The foam pump vacuum bottle according to claim 2, characterized in that: A PE gasket (10) for sealing is provided between the edge of the PP body (14) and the connecting seat (6).
5. The foam pump vacuum bottle according to claim 2, characterized in that: A net (9) for assisting frothing is installed on the inner side of the top end of the connecting seat (22), and a bottle bottom shell (4) is arranged at the bottom of the bottle body (1).