CN114873071A - Foam pump with suck-back effect - Google Patents
Foam pump with suck-back effect Download PDFInfo
- Publication number
- CN114873071A CN114873071A CN202210708540.XA CN202210708540A CN114873071A CN 114873071 A CN114873071 A CN 114873071A CN 202210708540 A CN202210708540 A CN 202210708540A CN 114873071 A CN114873071 A CN 114873071A
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- CN
- China
- Prior art keywords
- racket
- fine
- rubbing
- gland
- outer cover
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1097—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle with means for sucking back the liquid or other fluent material in the nozzle after a dispensing stroke
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1001—Piston pumps
- B05B11/1002—Piston pumps the direction of the pressure stroke being substantially perpendicular to the major axis of the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1042—Components or details
Landscapes
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
Abstract
The invention discloses a foam pump with a suck-back effect, which comprises a gland, an outer cover, a large racket, a fine racket, a friction cylinder, a spring, a friction seat, a suction pipe, a pull rod and a friction net, wherein the gland is buckled on the large racket, the large racket is arranged between the outer wall of the gland and the friction net, the friction net is fixed in an inner cavity of the gland, the gland can slide relative to the outer cover, the large racket is movably connected with the friction cylinder, the large racket can slide along the inner side wall of the friction cylinder, the friction cylinder is fixedly connected with the outer cover, the large racket is connected with the fine racket, a bone position gap is formed in a joint, the fine racket is internally provided with the pull rod, the pull rod is movably connected with the fine racket in a sealing mode, the tail end of the pull rod extends into a long notch of the friction seat, the pull rod is sleeved with the spring, the spring is fixed on the friction seat, the friction cylinder is fixed on the friction cylinder, a ball valve is further arranged in the friction cylinder, and the upper end of the suction pipe is fixed at the tail end of the friction cylinder and is communicated with the friction cylinder. According to the invention, the foam at the outlet can be sucked back into the foam pump, no liquid residue is generated, the breeding of bacteria is avoided, and the user experience is improved.
Description
Technical Field
The invention relates to the technical field of pressing liquid foam pump bodies, in particular to a foam pump with a suck-back effect.
Background
Now general public all pay attention to self health and health comparatively, people all are used to using the cleaning solution to wash when washing hand, washing face, shower, reach healthy and sanitary purpose, in order to satisfy the demand of people this aspect, mostly put into the container of bottle class with the cleaning solution, clean on the human body through pouring out the cleaning solution. In order to avoid the extravagant condition because pour too much cleaning solution, can press the pump body at the installation of container top usually, for example common bottled shower gel has the installation promptly to press the liquid foam pump body, can extrude corresponding quantitative liquid according to each individual demand through pressing the pump body, makes things convenient for people to use.
Conventional money foam pump has liquid to remain at the oral area of liquid outlet department after using at every turn, condenses oral area or drippage to breed the bacterium, the liquid that has the bacterium when using once more influences skin, brings inconvenience for the user, consequently, hope to push away can return remaining liquid resorption after liquid, in order to avoid liquid to remain in the exit.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a foam pump with a suck-back effect, which can solve the problem that liquid is remained at an outlet after the existing foam pump is pressed.
The technical scheme for realizing the purpose of the invention is as follows: a foam pump with a suck-back effect comprises a gland, an outer cover, a large racket, a fine racket, a rubbing barrel, a spring, a rubbing seat, a suction pipe, a pull rod and a rubbing net,
the gland is buckled at the upper end of the big racket, the upper end of the big racket is arranged between the outer wall of the gland and the rubbing net, the rubbing net is fixed in the inner cavity of the gland, the gland is in contact with the outer cover and can slide in the vertical direction relative to the outer cover, so that the gland can slide up and down relative to the outer cover along the axial direction,
the big racket is positioned in the inner cavity of the outer cover, the lower end of the big racket is movably connected with the upper end of the rubbing tube which is also positioned in the inner cavity of the outer cover, the lower end of the big racket can slide up and down along the inner side wall at the upper end of the rubbing tube in the axial direction, the top end of the rubbing tube is fixedly connected with the outer cover,
the middle part of the lower end of the big racket is connected with the upper end of the fine racket, so that the big racket is connected with the fine racket, a bone position gap is arranged at the joint of the upper ends of the big racket and the fine racket, a bone position gap is arranged at the joint of the big racket and the fine racket,
the fine racket is positioned in a large cavity formed by the large racket and the rubbing barrel, a pull rod is arranged in the fine racket, the top end of the pull rod is movably connected with the top end of the fine racket in a sealing way, so that the fine racket and the pull rod can slide relatively, a gap is reserved between the top end of the pull rod and the large racket, the tail end of the pull rod extends into a long concave opening of the rubbing seat, a spring is sleeved on the pull rod and is arranged along the axial direction of the pull rod, one end of the spring, far away from the large racket, is fixed on the rubbing seat, the rubbing seat is fixed at the lower end of the rubbing barrel and is positioned in the large cavity,
a ball valve is arranged in the friction cylinder below the friction seat, the friction cylinder at the lower end of the ball valve is communicated and connected with a suction pipe, and the upper end of the suction pipe is fixed at the tail end of the friction cylinder.
Further, still include the dustcoat, dustcoat lock dustcoat top, the dustcoat is used for the foam pump is protected before the first use to be located the unexpected pressure of gland in the dustcoat, avoids extruding liquid because of the unexpected pressure gland.
Further, the gland comprises an inner buckling line, the gland is buckled at the upper end of the big racket through the inner buckling line, the upper end of the big racket is arranged between the inner buckling line and the rubbing net, and the gland is in contact with the outer cover.
Further, the inner chamber of enclosing cover includes inner chamber and lower inner chamber, and the upper end of clapping greatly stretches into the last inner chamber to the enclosing cover, and the lower extreme of clapping greatly extends to the lower inner chamber of enclosing cover, and extend to down the inner chamber clap greatly terminal with lie in the enclosing cover under the inner chamber rub a section of thick bamboo upper end swing joint, clap greatly the terminal inside wall that can follow a section of thick bamboo upper end of rubbing and slide from top to bottom in axial direction.
Further, the friction cylinder is connected with the inner upper wall of the outer cover through a gasket.
Furthermore, a notch is formed in the middle of the lower end of the large racket, the notch is connected with the upper end of the thin racket, and a bone position gap is formed in the joint of the notch of the large racket and the upper end of the thin racket.
Further, the gap is reserved between the top end of the fine racket and the big racket notch.
Further, the ball valve is a circular ball.
The invention has the beneficial effects that: according to the invention, after the release after each pressing is finished, the foam at the outlet can be sucked back into the foam pump without liquid residue, so that bacteria breeding caused by condensation or dripping at the mouth part is avoided, and the user experience is improved.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
in the figure, 1-outer cover, 2-gland, 21-inner buckle line, 3-outer cover, 4-big bat, 5-gasket, 6-fine bat, 7-friction cylinder, 8-spring, 9-friction seat, 10-ball valve, 11-suction pipe, 12-pull rod and 13-friction net.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments:
as shown in figure 1, the foam pump with the suck-back effect comprises an outer cover 1, a gland 2, an outer cover 3, a large racket 4, a small racket 6, a friction cylinder 7, a spring 8, a friction seat 9, a ball valve 10, a suction pipe 11, a pull rod 12 and a friction net 13. The outer cover 1 is buckled on the top of the outer cover 3, and the outer cover 1 is used for protecting the gland 2 positioned in the outer cover 1 from being accidentally pressed before the foam pump is used for the first time, so that the gland 2 can be prevented from being accidentally pressed to squeeze out liquid before transportation and non-use.
Clap 4 greatly and be located the inner chamber of enclosing cover 3, the inner chamber of enclosing cover 3 includes inner chamber and lower inner chamber, and the upper end of clapping 4 greatly stretches into the last inner chamber of enclosing cover 3, and the lower extreme of clapping 4 greatly extends to the lower inner chamber of enclosing cover 3, and extend to under 4 terminal and the same inner chamber that lies in of clapping 7 upper end swing joint of rubbing of enclosing cover 3, clap 4 terminal can slide from top to bottom in the axial direction along the inside wall that rubs 7 upper ends greatly. The top end of the friction cylinder 7 is fixedly connected with the outer cover 3, and the friction cylinder 7 can also be connected with the inner upper wall of the outer cover 3 through a gasket 5.
The middle part of the lower end of the big racket 4 is provided with a notch which is connected with the upper end of the thin racket 6, so that the big racket 4 is connected with the thin racket 6. The joint of the notch of the large racket 4 and the upper end of the fine racket 6 is provided with a bone position gap, so that the joint of the large racket 4 and the fine racket 6 is provided with the bone position gap.
The fine racket 6 is positioned in a large cavity formed by the large racket 4 and the friction cylinder 7, the pull rod 12 is arranged in the fine racket 6, the top end of the pull rod 12 is movably connected with the top end of the fine racket 6 in a sealing manner, so that the fine racket 6 and the pull rod 12 can slide relatively, and a gap is reserved between the top end of the pull rod 12 and a notch of the large racket 4. The end of the pull rod 12 extends into a long notch of the friction seat 9, the pull rod 12 is sleeved with a spring 8, the spring 8 is arranged along the axial direction of the pull rod 12, one end of the spring 8 far away from the large racket 4 is fixed on the friction seat 9, and the friction seat 9 is fixed at the lower end of the friction barrel 7 and is located in the large cavity.
A ball valve 10 is further arranged in the massage cylinder 7 below the massage seat 9, the massage cylinder 7 at the lower end of the ball valve 10 is communicated and connected with a suction pipe 11, and the upper end of the suction pipe 11 is fixed at the tail end of the massage cylinder 7. The ball valve 10 is a circular sphere and can be made of metal or nonmetal materials.
In practice, the foam pump is usually mounted on a container containing the liquid, for example on a bottle of a bath lotion bottle for daily use, and is abutted against the container by the outer cover 3 (for example by screwing a thread on the inner wall of the outer cover 3 onto the upper end of the container). When the utility model is used for the first time, pull down dustcoat 1 from enclosing cover 3, pull down dustcoat 1 after, press down gland 2, gland 2 drives big bat 4 downstream through interior knot line 21, and at this in-process, because enclosing cover 3 is withstood by the container and gland 2 can slide relative enclosing cover 3, consequently, enclosing cover 3 remains stationary. Big 4 drive of clapping of 4 thin claps 6 and move down, because be located the pull rod 12 top of clapping 6 and clap 4 greatly and be provided with an interval and pull rod 12 and rub the frictional force effect between the seat 9 inner wall, 4 move down before contacting with pull rod 12 clapping 4 greatly, clap 4 greatly and thin clap 6 and move down a distance before pull rod 12 for the passageway of thin clapping 6 and pull rod 12 top is opened. When the pressing is continued, the big racket 4 is contacted with the pull rod 12, and the big racket 4 drives the pull rod 12 and the thin racket 6 to move downwards together. Liquid in the cavity at the lower part of the friction cylinder 7 can flow out to a channel which is opened between the top of the pull rod 12 and the thin racket 6 through a bone position gap between the large racket 4 and the thin racket 6, and is mixed with air in the cavity at the channel on the friction cylinder 7, and the mixed gas-liquid mixture forms foam through the friction net 13 and is finally discharged through a discharge channel in the gland 2, so that the foam is extruded through pressing. Wherein, the air of the upper cavity of the friction cylinder 7 enters from the external air through the gap between the gland 2 and the outer cover 3, and the air entering from the gap between the gland 2 and the outer cover 3 enters into the container through the small holes of the friction cylinder 7, so as to balance the pressure in the container.
When the pressing is stopped, for example, after the hand pressing the gland 2 is released, the top end of the pull rod 12 forms an inclined plane seal with the racket 6 under the action of the spring 8, a vacuum environment is formed (close to) in the cavity below the rubbing tube 7, because the pressure in the container is greater than the pressure in the cavity below the rubbing tube 7, the ball valve 10 slightly moves upwards to open, the liquid in the container enters the lower space of the rubbing tube 7 through the suction pipe 11 and the ball valve 10 to be stored, and the volume of the part of the space can be set according to the requirement, for example, to be 0.4 CC. Synchronously, after the pressing gland 2 is loosened, negative pressure is generated at the bottom of the big racket 4, so that foam at the outlet (mouth) of the gland 2 and external air enter the upper cavity of the friction cylinder 7 through gaps among the gland 2, the friction net 13 and the big racket 4 to balance the air pressure, the foam in the discharge channel inside the gland 2 is sucked back into the friction cylinder 7, and the foam sucking back is completed. When the gland 2 is pressed again, the foam sucked back into the friction cylinder 7 from the previous time passes through the bone gap between the fine racket 6 and the large racket 4 together with air and is discharged again. By repeating the pressing-releasing operation, the foam liquid can be continuously extruded until the liquid is completely consumed or the external force of the pressing operation disappears, and the foam at the outlet of the gland 2 can flow back again after the contact pressing (i.e. the hand of a person is released) after each pressing, so that the liquid suck back is completed.
According to the invention, after the release after each pressing is finished, the foam at the outlet can be sucked back into the foam pump without liquid residue, so that bacteria breeding caused by condensation or dripping at the mouth part is avoided, and the user experience is improved.
The embodiments disclosed in this description are only an exemplification of the single-sided characteristics of the invention, and the scope of protection of the invention is not limited to these embodiments, and any other functionally equivalent embodiments fall within the scope of protection of the invention. Various other changes and modifications to the embodiments and concepts described above will be apparent to those skilled in the art, and all such changes and modifications are intended to be included within the scope of the appended claims.
Claims (8)
1. A foam pump with a suck-back effect is characterized by comprising a gland, an outer cover, a large racket, a fine racket, a rubbing cylinder, a spring, a rubbing seat, a suction pipe, a pull rod and a rubbing net,
the gland is buckled at the upper end of the big racket, the upper end of the big racket is arranged between the outer wall of the gland and the rubbing net, the rubbing net is fixed in the inner cavity of the gland, the gland is in contact with the outer cover and can slide in the vertical direction relative to the outer cover, so that the gland can slide up and down relative to the outer cover along the axial direction,
the big racket is positioned in the inner cavity of the outer cover, the lower end of the big racket is movably connected with the upper end of the rubbing tube which is also positioned in the inner cavity of the outer cover, the lower end of the big racket can slide up and down along the inner side wall at the upper end of the rubbing tube in the axial direction, the top end of the rubbing tube is fixedly connected with the outer cover,
the middle part of the lower end of the big racket is connected with the upper end of the fine racket, so that the big racket is connected with the fine racket, a bone position gap is arranged at the joint of the upper ends of the big racket and the fine racket, a bone position gap is arranged at the joint of the big racket and the fine racket,
the fine racket is positioned in a large cavity formed by the large racket and the rubbing barrel, a pull rod is arranged in the fine racket, the top end of the pull rod is movably connected with the top end of the fine racket in a sealing way, so that the fine racket and the pull rod can slide relatively, a gap is reserved between the top end of the pull rod and the large racket, the tail end of the pull rod extends into a long concave opening of the rubbing seat, a spring is sleeved on the pull rod and is arranged along the axial direction of the pull rod, one end of the spring, far away from the large racket, is fixed on the rubbing seat, the rubbing seat is fixed at the lower end of the rubbing barrel and is positioned in the large cavity,
a ball valve is arranged in the friction cylinder below the friction seat, the friction cylinder at the lower end of the ball valve is communicated and connected with a suction pipe, and the upper end of the suction pipe is fixed at the tail end of the friction cylinder.
2. The foam pump with a suck-back effect as claimed in claim 1, further comprising a cover, wherein the cover is fastened to the top of the cover, and the cover is used for protecting the gland in the cover from being accidentally pressed before the foam pump is used for the first time, so as to prevent liquid from being squeezed out due to accidental pressing of the gland.
3. The foam pump with a suck-back effect as claimed in claim 1, wherein the pressing cover includes an inner fastening line, the pressing cover is fastened to the upper end of the racket by the inner fastening line, the upper end of the racket is interposed between the inner fastening line and the rubbing net, and the pressing cover is in contact with the outer cover.
4. The foam pump with the suck-back effect as claimed in claim 1, wherein the inner cavity of the outer cover comprises an upper inner cavity and a lower inner cavity, the upper end of the large racket extends into the upper inner cavity of the outer cover, the lower end of the large racket extends into the lower inner cavity of the outer cover, the tail end of the large racket extending into the lower inner cavity is movably connected with the upper end of the rubbing cylinder which is also located in the lower inner cavity of the outer cover, and the tail end of the large racket can slide up and down in the axial direction along the inner side wall of the upper end of the rubbing cylinder.
5. The foam pump with suck-back effect as claimed in claim 4, wherein the friction cylinder is connected to the inner upper wall of the outer cover through a gasket.
6. The foam pump with the suck-back effect as claimed in claim 4, wherein a notch is formed in the middle of the lower end of the large racket, the notch is connected with the upper end of the fine racket, and a bone gap is formed at the joint of the notch of the large racket and the upper end of the fine racket.
7. The foam pump with suck-back effect as claimed in claim 6, wherein the gap is left between the tip of the fine racket and the notch of the large racket.
8. Foam pump with suck-back effect according to claim 1, characterized in that the ball valve is a round sphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210708540.XA CN114873071A (en) | 2022-06-20 | 2022-06-20 | Foam pump with suck-back effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210708540.XA CN114873071A (en) | 2022-06-20 | 2022-06-20 | Foam pump with suck-back effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114873071A true CN114873071A (en) | 2022-08-09 |
Family
ID=82681163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210708540.XA Pending CN114873071A (en) | 2022-06-20 | 2022-06-20 | Foam pump with suck-back effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114873071A (en) |
-
2022
- 2022-06-20 CN CN202210708540.XA patent/CN114873071A/en active Pending
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