CN116873377B - Liquid leakage-proof all-plastic emulsion pump and emulsion bottle - Google Patents
Liquid leakage-proof all-plastic emulsion pump and emulsion bottleInfo
- Publication number
- CN116873377B CN116873377B CN202311063183.7A CN202311063183A CN116873377B CN 116873377 B CN116873377 B CN 116873377B CN 202311063183 A CN202311063183 A CN 202311063183A CN 116873377 B CN116873377 B CN 116873377B
- Authority
- CN
- China
- Prior art keywords
- pump head
- air bag
- elastic air
- liquid outlet
- emulsion
- Prior art date
- 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.)
- Active
Links
Classifications
-
- 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
- B05B11/1043—Sealing or attachment arrangements between pump and 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D23/00—Details of bottles or jars not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
Abstract
本发明公开了一种防漏液全塑乳液泵乳液瓶，乳液泵包括：安装座，可装设于瓶体上，安装座上设置有与瓶体连通的第一出液口；上壳，设置在安装座的上端；弹性气囊，设置在上壳内；进气道，限定于弹性气囊、上壳以及安装座之间且与外部和瓶体连通，弹性气囊可在处于舒展状态时封闭进气道，或在处于形变状态时打开进气道；储液腔，限定于安装座和/或弹性气囊内且与第一出液口连通；泵头，穿设于上壳和弹性气囊内且与弹性气囊连接，泵头上设置有与储液腔连通的出液道；通过上述结构能够使得泵头处于密封状态时同时封闭进气道和第一出液口，完全避免了泵头由密封状态和向打开状态转换时少量乳液的流出，同时也降低了生产成本和装配难度。
This invention discloses a leak-proof all-plastic emulsion pump and emulsion bottle. The emulsion pump includes: a mounting base, which can be installed on the bottle body, and the mounting base is provided with a first liquid outlet communicating with the bottle body; an upper shell, which is disposed at the upper end of the mounting base; an elastic air bladder, which is disposed in the upper shell; an air inlet, which is defined between the elastic air bladder, the upper shell, and the mounting base and communicates with the outside and the bottle body, and the elastic air bladder can close the air inlet when it is in an expanded state or open the air inlet when it is in a deformed state; a liquid storage chamber, which is defined in the mounting base and/or the elastic air bladder and communicates with the first liquid outlet; and a pump head, which passes through the upper shell and the elastic air bladder and is connected to the elastic air bladder, and the pump head is provided with a liquid outlet communicating with the liquid storage chamber. The above structure enables the pump head to simultaneously close the air inlet and the first liquid outlet when it is in a sealed state, completely avoiding the leakage of a small amount of emulsion when the pump head changes from a sealed state to an open state, while also reducing production costs and assembly difficulty.
Description
Technical Field
The invention relates to the field of emulsion pumps, in particular to a liquid leakage-proof all-plastic emulsion pump and an emulsion bottle.
Background
The emulsion bottle is a common container, such as bath lotion, shampoo, hand cream and the like used in daily life, is mostly arranged in the emulsion bottle, the emulsion bottle comprises a bottle body, an emulsion pump is arranged on the bottle body, emulsion in the bottle body is pumped out of the bottle body by pressing the emulsion pump, the existing emulsion pump is designed with a sealing structure, a pump head can be screwed down when the emulsion pump is not used, an air outlet channel (a liquid outlet channel) is sealed, the emulsion pump does not seal the air inlet channel, partial emulsion flows out when the pump head is converted from a sealing state to an opening state, particularly when the emulsion bottle is turned upside down in the transportation process, bad use experience is brought, the existing emulsion pump is composed of plastic parts and metal parts, the emulsion pump is difficult to process and assemble, the cost is high, the production cost is further increased, and therefore, the anti-leakage liquid all-plastic emulsion pump and the emulsion bottle are urgently needed to solve the problems.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a liquid leakage-proof all-plastic emulsion pump and an emulsion bottle.
The technical scheme adopted by the embodiment of the invention for solving the technical problems is that the liquid leakage prevention all-plastic emulsion pump comprises:
the mounting seat can be arranged on the bottle body and is provided with a first liquid outlet communicated with the bottle body;
the upper shell is arranged at the upper end of the mounting seat;
an elastic air bag arranged in the upper shell;
the air inlet is limited among the elastic air bag, the upper shell and the mounting seat and is communicated with the outside and the bottle body, and the elastic air bag can close the air inlet when in a stretching state or open the air inlet when in a deformation state;
the liquid storage cavity is limited in the mounting seat and/or the elastic air bag and is communicated with the first liquid outlet;
the pump head penetrates through the upper shell and the elastic air bag and is connected with the elastic air bag, a liquid outlet channel communicated with the liquid storage cavity is arranged on the pump head, and the pump head can drive the elastic air bag to deform when in an open state or seal the first liquid outlet when in a sealed state;
Mounting seat, upper shell, elasticity gasbag and pump head injection moulding.
Further, a first annular protrusion is arranged on the inner wall of the upper shell, and can be abutted with the outer wall of the elastic air bag when the elastic air bag is in a stretched state so as to close the air inlet channel, or can be separated from the elastic air bag when the elastic air bag is in a deformed state so as to open the air inlet channel.
Further, the liquid leakage preventing all-plastic emulsion pump further comprises a connecting piece, one end of the connecting piece is connected with the elastic air bag, the other end of the connecting piece is inserted into the elastic air bag, a first threaded portion is arranged on the pump head, and a second threaded portion which is in threaded connection with the first threaded portion is arranged on the inner wall of the connecting piece.
Further, the connecting piece is connected with the mounting seat through the guide structure.
Further, the guide structure comprises a plurality of guide blocks arranged on the outer wall of the connecting piece at intervals along the circumferential direction and a plurality of guide grooves arranged on the inner wall of the mounting seat at intervals along the circumferential direction, the guide blocks and the guide grooves are arranged along the movement direction of the pump head, and the guide blocks are inserted into the guide grooves.
Further, be provided with on the mount pad with the second liquid outlet of bottle intercommunication and with first liquid outlet and the first sealed chamber of second liquid outlet intercommunication, be provided with first direction in the first sealed chamber and lead to the piece.
Further, a second sealing cavity communicated with the outside and the liquid outlet channel is arranged on the pump head, and a second guiding conducting piece is arranged in the second sealing cavity.
Further, a second annular protrusion is provided on the upper case, and the second annular protrusion may abut against the pump head when the pump head is in a sealed state to close between the outside, the pump head, and the upper case, or may be separated from the pump head when the pump head is in an open state to open between the outside, the pump head, and the upper case.
An emulsion bottle comprises the emulsion pump.
The emulsion pump has the advantages that the emulsion pump comprises a mounting seat, an upper shell, an elastic air bag, an air inlet channel, a liquid storage cavity and a pump head, wherein the mounting seat can be arranged on a bottle body, a first liquid outlet communicated with the bottle body is arranged on the mounting seat, the upper shell is arranged at the upper end of the mounting seat, the elastic air bag is arranged in the upper shell, the air inlet channel is limited among the elastic air bag, the upper shell and the mounting seat and is communicated with the outside and the bottle body, the air inlet channel can be sealed when the elastic air bag is in a stretching state or is opened when the elastic air bag is in a deformation state, the liquid storage cavity is limited in the mounting seat and/or the elastic air bag and is communicated with the first liquid outlet, the pump head penetrates through the upper shell and the elastic air bag and is connected with the elastic air bag, the liquid outlet channel communicated with the liquid storage cavity is arranged on the pump head, the pump head can drive elastic deformation when the pump head is in an opening state or is sealed, the mounting seat, the upper shell, the elastic air bag and the pump head are in a sealing state, the air inlet channel can be simultaneously sealed when the pump head is in the sealing state, the air inlet channel is completely converted from the sealing state to the sealing state, and the production difficulty is reduced, and the production cost is also is reduced.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of a leak-proof all-plastic emulsion pump;
FIG. 2 is a cross-sectional view of a leak-proof all-plastic emulsion pump in an open state;
FIG. 3 is a cross-sectional view of a leak-proof all-plastic emulsion pump in a sealed state;
fig. 4 is an exploded view of a leak-proof all plastic emulsion pump.
Detailed Description
Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present invention, but not to limit the scope of the present invention.
In the description of the present invention, plural means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and the above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless explicitly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and include, for example, directly connected or indirectly connected via an intermediate medium, fixedly connected or detachably connected or integrally formed, mechanically connected, and connected between two elements or the relationship of interaction between two elements. The specific meaning of the words in the invention can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.
Referring to fig. 1 to 4, a liquid leakage preventing all plastic emulsion pump comprises:
The mounting seat 10 can be arranged on the bottle body, and a first liquid outlet 11 communicated with the bottle body is arranged on the mounting seat 10;
An upper case 20 provided at an upper end of the mount 10;
An elastic balloon 30 disposed within the upper case 20;
An air inlet 41 defined between the elastic air bag 30, the upper case 20, and the mounting base 10 and communicating with the outside and the bottle body, the elastic air bag 30 may close the air inlet 41 when in a stretched state, or open the air inlet 41 when in a deformed state;
a liquid storage cavity 42 defined in the mounting base 10 and/or the elastic air bag 30 and communicating with the first liquid outlet 11;
the pump head 50 penetrates through the upper shell 20 and the elastic air bag 30 and is connected with the elastic air bag 30, a liquid outlet channel 43 communicated with the liquid storage cavity 42 is arranged on the pump head 50, and the pump head 50 can drive the elastic air bag 30 to deform when in an open state or seal the first liquid outlet 11 when in a sealed state.
In the present invention, referring to fig. 1 to 3, fig. 1and 2 are structural diagrams of an emulsion pump in an opened state, and fig. 3 is a structural diagram of an emulsion pump in a sealed state, wherein referring to fig. 2, arrows show a flow direction of gas, when in use:
1. The first pressing pump head 50, because the pump head 50 and the connecting piece 70 are acted by the first thread part 71 and the second thread part 72, the pump head 50 can drive the connecting piece 70 to move together, and further drive the elastic air bag 30 to deform, so that the air in the elastic air bag 30 is discharged through the liquid storage cavity 42 and the liquid outlet 43, after the pump head 50 is loosened, the emulsion in the bottle body is extruded under the action of pressure difference, specifically, the first guiding conducting piece 91 is pushed up, so that the emulsion enters the liquid storage cavity 42 through the second liquid outlet 12, the first sealing cavity 13 and the first liquid outlet 11;
2. when the pressure pump head 50 is pressed for the second time, the elastic air bag 30 is also driven to deform, so that the air in the elastic air bag 30 enters the liquid storage cavity 42, and emulsion in the liquid storage cavity 42 is pushed to be discharged through the liquid outlet channel 43, and pumping of the emulsion is realized;
3. The principle of gas supplement in the bottle body is that after the pump head 50 is loosened each time, the pump head 50 and the connecting piece 70 are reset under the action of elastic deformation restoring force of the elastic air bag 30, and after the elastic air bag 30 is reset (namely in a stretching state), the outer wall of the elastic air bag 30 is abutted with the first annular convex part 61 on the inner wall of the upper shell 20, so that the air inlet channel 41 is closed, the air inlet channel 41 is a channel for supplementing gas to the bottle body from the outside, and emulsion cannot be pumped out due to lack of gas in the bottle body is avoided;
4. The invention has the advantages that through the structure, the air inlet channel 41 and the first liquid outlet 11 can be simultaneously closed when the pump head 50 is in the sealing state, the outflow of a small amount of emulsion when the pump head 50 is switched from the sealing state to the opening state is completely avoided, and meanwhile, the production cost and the assembly difficulty are reduced.
As a preferred embodiment of the on-off of the air intake duct 41, a first annular protrusion 61 is provided on the inner wall of the upper case 20, the first annular protrusion 61 may abut against the outer wall of the elastic air bag 30 to close the air intake duct 41 when the elastic air bag 30 is in a stretched state, or may be separated from the elastic air bag 30 to open the air intake duct 41 when the elastic air bag 30 is in a deformed state.
The liquid leakage preventing all-plastic emulsion pump further comprises a connecting piece 70, one end of the connecting piece 70 is connected with the elastic air bag 30, the other end of the connecting piece is inserted into the elastic air bag 30, a first threaded portion 71 is arranged on the pump head 50, a second threaded portion 72 which is in threaded connection with the first threaded portion 71 is arranged on the inner wall of the connecting piece 70, and the connecting piece 70 not only plays a role in connecting the elastic air bag 30 and the pump head 50, but also plays a role in guiding the pump head 50 in the pressing and resetting process.
The connection member 70 is connected to the mount 10 through a guide structure 80. As a preferred embodiment of the guide structure 80, the guide structure 80 includes a plurality of guide blocks 81 circumferentially spaced apart on an outer wall of the connection member 70 and a plurality of guide grooves 82 circumferentially spaced apart on an inner wall of the mount 10, the guide blocks 81 and the guide grooves 82 being arranged in a moving direction of the pump head 50, the guide blocks 81 being inserted into the guide grooves 82.
The mounting seat 10 is provided with a second liquid outlet 12 communicated with the bottle body and a first sealing cavity 13 communicated with the first liquid outlet 11 and the second liquid outlet 12, a first guiding conducting piece 91 is arranged in the first sealing cavity 13, the pump head 50 is provided with a second sealing cavity 14 communicated with the outside and the liquid outlet 43, a second guiding conducting piece 92 is arranged in the second sealing cavity 14, the first guiding conducting piece 91 and the second guiding conducting piece 92 are preferably balls, the first guiding conducting piece 91 is larger than the second guiding conducting piece 92, and similarly, the liquid outlet 43 on the pump head 50 is smaller than the second liquid outlet 12, so that more emulsion can enter the liquid storage cavity 42 when the emulsion is drawn each time, and the emulsion can be pumped out under greater pressure.
The upper shell 20 is provided with a second annular protruding part 62, the second annular protruding part 62 can be abutted with the pump head 50 when the pump head 50 is in a sealing state so as to enable the outside, the pump head 50 and the upper shell 20 to be closed, or can be separated from the pump head 50 when the pump head 50 is in an opening state so as to enable the outside, the pump head 50 and the upper shell 20 to be opened, when the pump head 50 is in a sealing state, a first sealing structure of the air inlet channel 41 is formed between the second annular protruding part 62 and the pump head 50, and a second sealing structure is formed between the first annular protruding part 61 and the outer wall of the elastic air bag 30, so that the leakage risk in the sealing state can be greatly reduced.
The mounting seat 10, the upper shell 20, the elastic air bag 30 and the pump head 50 are injection molded, so that the number of control points in emulsion pump production can be greatly reduced, the production cost is reduced, and the assembly efficiency is improved.
An emulsion bottle comprises the emulsion pump.
Of course, the present application is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications and substitutions without departing from the spirit of the present application, and these equivalent modifications and substitutions are included in the scope of the present application as defined in the appended claims.
Claims (7)
1. A leak-proof all-plastic emulsion pump, comprising:
The mounting seat (10) can be arranged on the bottle body, and a first liquid outlet (11) communicated with the bottle body is arranged on the mounting seat (10);
an upper case (20) provided at the upper end of the mount (10);
An elastic air bag (30) disposed within the upper case (20);
an air inlet channel (41) defined between the elastic air bag (30), the upper shell (20) and the mounting seat (10) and communicated with the outside and the bottle body, wherein the elastic air bag (30) can close the air inlet channel (41) when in a stretching state or open the air inlet channel (41) when in a deformation state;
a liquid storage cavity (42) which is defined in the mounting seat (10) and/or the elastic air bag (30) and is communicated with the first liquid outlet (11);
The pump head (50) is arranged in the upper shell (20) and the elastic air bag (30) in a penetrating way and is connected with the elastic air bag (30), a liquid outlet channel (43) communicated with the liquid storage cavity (42) is arranged on the pump head (50), and the pump head (50) can drive the elastic air bag (30) to deform when in an open state or seal the first liquid outlet (11) when in a sealed state;
The mounting seat (10), the upper shell (20), the elastic air bag (30) and the pump head (50) are formed by injection molding;
A first annular convex part (61) is arranged on the inner wall of the upper shell (20), and the first annular convex part (61) can be abutted with the outer wall of the elastic air bag (30) to close the air inlet channel (41) when the elastic air bag (30) is in a stretching state, or can be separated from the elastic air bag (30) to open the air inlet channel (41) when the elastic air bag (30) is in a deformation state;
The pump head (50) is provided with a first threaded part (71), and the inner wall of the connecting piece (70) is provided with a second threaded part (72) which is in threaded connection with the first threaded part (71).
2. The liquid leakage preventing all plastic emulsion pump according to claim 1, wherein the connecting piece (70) is connected with the mounting seat (10) through a guide structure (80).
3. The liquid leakage prevention all-plastic emulsion pump as set forth in claim 2 wherein said guide structure (80) comprises a plurality of guide blocks (81) circumferentially spaced on the outer wall of said connecting member (70) and a plurality of guide grooves (82) circumferentially spaced on the inner wall of said mounting base (10), said guide blocks (81) and guide grooves (82) being disposed along the direction of movement of said pump head (50), said guide blocks (81) being inserted into said guide grooves (82).
4. The liquid leakage prevention all-plastic emulsion pump according to claim 1, wherein the mounting seat (10) is provided with a second liquid outlet (12) communicated with the bottle body and a first sealing cavity (13) communicated with the first liquid outlet (11) and the second liquid outlet (12), and a first guiding conducting piece (91) is arranged in the first sealing cavity (13).
5. The liquid leakage prevention all-plastic emulsion pump as set forth in claim 1, wherein a second sealing cavity (14) communicated with the outside and the liquid outlet channel (43) is arranged on the pump head (50), and a second guiding conducting piece (92) is arranged in the second sealing cavity (14).
6. The liquid leakage prevention all-plastic emulsion pump according to claim 1, wherein a second annular protrusion (62) is provided on the upper case (20), and the second annular protrusion (62) can abut against the pump head (50) when the pump head (50) is in a sealed state so as to close the space between the outside, the pump head (50) and the upper case (20), or can be separated from the pump head (50) when the pump head (50) is in an open state so as to open the space between the outside, the pump head (50) and the upper case (20).
7. An emulsion bottle comprising the emulsion pump according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311063183.7A CN116873377B (en) | 2023-08-22 | 2023-08-22 | Liquid leakage-proof all-plastic emulsion pump and emulsion bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311063183.7A CN116873377B (en) | 2023-08-22 | 2023-08-22 | Liquid leakage-proof all-plastic emulsion pump and emulsion bottle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116873377A CN116873377A (en) | 2023-10-13 |
| CN116873377B true CN116873377B (en) | 2025-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311063183.7A Active CN116873377B (en) | 2023-08-22 | 2023-08-22 | Liquid leakage-proof all-plastic emulsion pump and emulsion bottle |
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| CN (1) | CN116873377B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025145942A1 (en) * | 2024-01-03 | 2025-07-10 | 李红彪 | Spring-free pump head and lotion bottle |
| CN120714811A (en) * | 2024-03-30 | 2025-09-30 | 中山市华宝勒生活用品有限公司 | A pump head for preventing accidental pressure discharge of liquid |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN220721993U (en) * | 2023-08-22 | 2024-04-05 | 尼特(中山)包装制品有限公司 | Liquid leakage-proof all-plastic emulsion pump and emulsion bottle |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004096113A2 (en) * | 2003-04-28 | 2004-11-11 | Medical Instill Technologies, Inc. | Container with valve assembly for filling and dispensing substances, and apparatus and method for filling |
| WO2006122983A1 (en) * | 2005-05-19 | 2006-11-23 | Bentfield Europe B.V. | Pump for dispensing a fluid product and dispenser |
| CN112849726B (en) * | 2019-11-12 | 2024-06-21 | 丁要武 | Bag type conveying pump |
| CN111924316A (en) * | 2020-08-03 | 2020-11-13 | 宁波圣捷喷雾泵有限公司 | Environment-friendly liquid pump |
| CN215286161U (en) * | 2021-03-06 | 2021-12-24 | 绍兴市宇航塑业包装有限公司 | A spring external lotion pump |
| CN216090166U (en) * | 2021-10-29 | 2022-03-22 | 方永荣 | Water pumping device for thermos bottle |
| CN114056707A (en) * | 2021-12-17 | 2022-02-18 | 浙江瑞昶实业有限公司 | Press quantitative formula essence emulsion bottle |
| CN217477972U (en) * | 2022-04-08 | 2022-09-23 | 天舟包装(苏州)有限公司 | pumping device |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN220721993U (en) * | 2023-08-22 | 2024-04-05 | 尼特(中山)包装制品有限公司 | Liquid leakage-proof all-plastic emulsion pump and emulsion bottle |
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