WO2020143819A1

WO2020143819A1 - Novel gas pumping cap

Info

Publication number: WO2020143819A1
Application number: PCT/CN2020/071619
Authority: WO
Inventors: 李红彪
Original assignee: 中山市华宝勒生活用品实业有限公司
Priority date: 2019-01-13
Filing date: 2020-01-12
Publication date: 2020-07-16
Also published as: CN110002095A

Abstract

A novel gas pumping cap, comprising a connecting base body (1), wherein the connecting base body (1) is opened up and down, and a lower opening is used to connect with a container mouth; an upper opening of the connecting base body (1) is convexly connected upward to an elastically deformed gas pumping diaphragm (11); the gas pumping diaphragm (11) and the connecting base body (1) form a gas pumping chamber (15); the connecting base body (1) is also provided thereon with a liquid outlet pipe (12) that communicates with the lower opening of the connecting base body (1); an upper end of the liquid outlet pipe (12) protrudes from the connecting base body (1) and is provided with a blocking member (13) used for sealing an upper port of the liquid outlet pipe (12); and an air supplement structure (14) that allows outside air to enter the gas pumping chamber (15) is provided on the gas pumping diaphragm (11). The use of the present container is particularly suitable for bottling carbonated beverages, so that the container is filled with a gas by means of the gas pumping cap when the container is opened and not used up, which ensures the strength of the gas pressure in the container, thereby ensuring the preservation quality. In addition, by means of the continuously pumping of the gas pumping cap, a solution in the container may be pressed out accordingly. The present invention has a simple structure and low fabrication costs, and is convenient for people to use.

Description

A new type of pumping cap

【Technical field】

The invention relates to a packaging container, in particular to a new type of pumping cap.

【Background technique】

In the prior art, there are many structures of the pumping cap, and the structure is relatively complex, which makes the manufacturing cost higher. In addition, the existing pumping cap also generally has the defects of low pumping efficiency and troublesome operation.

The present invention is proposed in view of the defects existing in the prior art.

[Invention content]

The technical problem to be solved by the present invention is to provide a new type of pumping cap, which includes a connecting seat body, and accordingly a pumping diaphragm or movable cover for pumping is provided on the connecting base body. The pumping diaphragm is made of an elastically deformable material , The action of the pumping membrane is deformed to complete the pumping action; the movable cover is connected with the body of the connecting base through a sliding seal, and the container of the present invention is particularly suitable for filling carbonated beverages in order to open the unused situation Next, the container is filled with gas through the pumping cap of the present invention to ensure the strength of the air pressure in the container, thereby ensuring the preservation quality; in addition, the pumping cap of the present invention is continuously pumped up to press out the solution in the container accordingly, with a structure Simple, low manufacturing cost and convenient for people to use.

In order to solve the above technical problems, the present invention provides a new type of pumping cap, which includes a connecting base body 1 which is opened up and down and whose lower opening is used to connect with the mouth of the container. An elastically deformable air pumping membrane 11 is connected to the ground, and the air pumping membrane 11 and the connecting base body 1 form an air pumping chamber 15. The connecting base body 1 is also provided with an outlet communicating with the lower opening of the connecting base body 1. Liquid pipe 12, the upper end of the liquid outlet pipe 12 protrudes from the connecting base body 1 and is provided with a blocking member 13 for sealing the upper port of the liquid outlet pipe 12, and the air-entraining membrane 11 is provided with external air The air supplement structure 14 entering the air pumping chamber 15.

As mentioned above, a new type of pumping cap, the blocking member 13 is a one-way valve so that the solution can flow out of the discharge pipe 12 in one direction, or the blocking member 13 is a plug, which can be passed through a thin position It is detachably connected to the upper port of the liquid outlet tube 12.

As mentioned above, a new type of air-entraining cap, the air-enhancing structure 14 is an air-enhancing through hole, or the air-entraining structure 14 is a notch that allows outside air to enter the air-induction chamber 15, or the air-entraining structure 14 is the exhaust valve.

As described above, a new type of pumping cap, the pumping membrane 11 is provided with a recessed portion 16, and the air supplementing structure 14 is a cutout provided on the recessed portion 16 to allow outside air to enter the pumping chamber 15 in one direction .

As described above, a new type of pumping cap is provided. The pumping chamber 15 is provided with a spacer 17 separating the pumping chamber 15 from the lower opening of the connecting base body 1. The lower end of the liquid outlet pipe 12 penetrates the pump 17 The spacer 17 is provided with a one-way valve that allows the air in the pumping chamber 15 to enter the lower opening of the connecting seat body 1 in one direction.

The present invention also provides a new pumping cap, which includes a connecting base body 1 and a movable cover 2. The connecting base body 1 is opened up and down and the lower opening is used to connect with the mouth of the container. The movable cover 2 is movably connected to the connection There is an opening in the seat body 1, and a piston ring 18 is provided between the movable cover 2 and the connection seat body 1 to make the movable cover 2 and the connection seat body 1 slidably and tightly fit. The connection seat body 1 is provided with a connection An airtight chamber 15 is formed between the movable cover 2 and the connecting seat body 1, and a tearable sealing sheet 3 is separated from the upper opening and the lower opening of the seat body 1.

As mentioned above, a new type of air pumping cover is provided with a supplementary air structure 14 on the movable cover 2.

As described above, a new type of pumping cap, the connecting base body 1 is provided with a liquid outlet pipe 12 whose lower end communicates with the lower opening of the connecting base body 1 and whose upper end protrudes from the connecting base body 1.

As described above, a new pumping cap is provided with a blocking member 13 at the upper port of the liquid outlet pipe 12.

As described above, a new type of pumping cap is provided with a liquid discharge nozzle 21 on the movable cover 2, a soft liquid guide tube 22 is initially placed in the pumping chamber 15 when the sealing sheet 3 tears The liquid guide tube 22 is connected to the inner port of the liquid discharge nozzle 21 and the lower end of the soft liquid guide tube 22 extends into the container cavity.

As described above, a new type of pumping cap is provided. The connecting base body 1 is provided with a partition block 4 separating the upper opening and the lower opening of the connecting base body 1, and a tearable sealing sheet 3 is provided on the partition block 4, When the movable cover 2 compresses the pumping chamber 15, the partition block 4 is provided with a check valve in which the air in the pumping chamber 15 enters into the lower opening of the connecting seat body 1 in one direction.

The invention also provides a new type of pumping cap, which includes a connecting base body 1 and a movable cover 2. The connecting base body 1 is opened up and down and the lower opening is used to connect with the mouth of the container. The movable cover 2 is movably connected to the connection There is an opening in the seat body 1, and a piston ring 18 is provided between the movable cover 2 and the connection seat body 1 to make the movable cover 2 and the connection seat body 1 slidably and tightly fit. The connection seat body 1 is provided with a connection The lower opening of the seat body 1 is provided with a partition block 4, an air pumping chamber 15 is formed between the movable cover 2, the connecting seat body 1 and the partition block 4, the partition block 4 is provided with an air pumping chamber when the movable cover 2 is compressed At 15 o'clock, the air in the pumping chamber 15 enters the one-way valve of the lower opening of the connecting seat body 1 in one direction. The upper outer side of the connecting seat body 1 is provided with a connecting external thread 19, and the upper part of the movable cover 2 is bent downward to form There is a connecting flange 23, which is provided with a connecting internal thread 231 on the inner side. In the initial state, the connecting flange 23 is connected to the connecting internal thread 231 through the connecting external thread 19 in coordination.

As described above, a new type of pumping cap, the connection base body 1 is provided with an anti-theft ring 24 which can be torn and connected to the connection flange 23 when the initial state is provided; or the connection flange is provided with the connection when the initial state is provided with the connection flange 23 The seat body 1 can tear the connected anti-theft ring 24.

As described above, a new type of pumping cap, the pumping chamber 15 is provided with an elastic member 25 for resetting the movable cover 2.

As described above, a new type of pumping cover, the elastic member 25 is a spring piece, the upper end of the spring piece is connected to the movable cover 2, and the lower end of the spring piece is in contact with the bottom of the pumping chamber 15.

As described above, a new type of pumping cap is provided. The connecting base body 1 is provided with a liquid outlet pipe 12 which communicates with the lower opening of the connecting base body 1 and whose upper end protrudes from the connecting base body 1. The upper port of the liquid outlet tube 12 is provided有 Blocking member 13.

As described above, a new type of pumping cap is formed on the partition block 4 and extends upward along the circumferential direction of the check valve on the partition block 4. The partition block 4 is also provided with a pumping chamber 15. The connected liquid inlet conduit 42 is provided with a one-way valve that allows the solution in the container cavity to enter the pumping chamber 15 in one direction.

Compared with the prior art, a new pumping cap of the present invention has the following advantages:

1. The air-entraining diaphragm is set on the opening of the connecting base body, and the air-entraining diaphragm is made of elastically deformable material. The corresponding air-entraining structure is set on the air-entraining diaphragm. The connected container is pumped up, and the outside air can be quickly pumped into the pumping chamber through the pumping structure, which is not only convenient to use, high pumping efficiency, but also simple in structure and low in manufacturing cost.

2. The movable cover is movably connected to the opening of the connecting seat body through the piston ring, and a tearable sealing sheet is provided in the connecting seat body. Before use, the sealing sheet can play the role of sealing and anti-counterfeiting. It is equipped with an air supplement structure, which can facilitate the outside air to quickly enter the air pumping chamber and supplement the air when tearing the sealing sheet for air pumping, so the air pumping action can be completed efficiently.

3. Set the liquid outlet on the movable cover. When the sealing sheet is not torn, the soft catheter is placed in the pumping chamber. When the sealing sheet is torn, the soft catheter is used. Connected to the liquid outlet, the lower end of the soft catheter extends into the container, so it has the characteristics of ingenious structural design, convenient and flexible use, so it is convenient for assembly, packaging and transportation.

4. At the beginning, the movable cover and the connecting base body can be connected by connecting the external thread and the connecting internal thread, which can avoid the relative movement of the movable cover relative to the connecting base body during transportation, and at the same time make the inflating cover can be used at the initial or when not in use Reduce the volume for easy storage and transportation.

[Description of the drawings]

The specific implementation of the present invention will be further described in detail below with reference to the drawings, in which:

Figure 1 is one of the cross-sectional views of the first embodiment of the inflatable cover;

FIG. 2 is the second sectional view of the first embodiment of the inflatable cover;

3 is a cross-sectional view of a specific embodiment of the second type of inflatable cover;

4 is a cross-sectional view of a third specific embodiment of an inflatable cover;

FIG. 5 is one of the cross-sectional views of the fourth embodiment of the inflatable cover;

6 is a second cross-sectional view of a specific embodiment of the fourth type of inflatable cover;

7 is one of the sectional views of the fifth embodiment of the inflatable cover;

8 is one of the cross-sectional views of the sixth embodiment of the inflatable cover;

9 is the second cross-sectional view of the sixth embodiment of the inflatable cover;

10 is a cross-sectional view of a seventh embodiment of an inflatable cover;

FIG. 11 is one of the sectional views of the eighth specific embodiment of the inflatable cover;

12 is the second sectional view of the eighth specific embodiment of the inflatable cover;

13 is one of the cross-sectional views of the ninth specific embodiment of the inflatable cover;

14 is a second cross-sectional view of a specific embodiment of the ninth inflatable cover;

15 is one of the cross-sectional views of the tenth specific embodiment of the inflatable cover;

16 is the second sectional view of the tenth specific embodiment of the inflatable cover;

17 is one of the cross-sectional views of the specific embodiment of the eleventh inflatable cover;

18 is the second sectional view of the eleventh embodiment of the inflatable cover;

19 is a sectional view of a specific embodiment of the twelfth kind of inflatable cover;

20 is a sectional view of a specific embodiment of the thirteenth inflatable cover;

21 is one of the cross-sectional views of the specific embodiment of the fourteenth embodiment of the inflatable cover;

22 is the second cross-sectional view of the specific embodiment of the fourteenth inflatable cover;

FIG. 23 is one of the cross-sectional views of the fifteenth specific embodiment of the inflatable cover;

FIG. 24 is the second sectional view of the fifteenth embodiment of the inflatable cover.

【detailed description】

The embodiments of the present invention will be described in detail below with reference to the drawings.

As shown in FIGS. 1-7, a novel pumping cap of the present invention includes a connecting base body 1, the connecting base body 1 is opened up and down and the lower opening is used to connect with the mouth of the container, and the upper opening of the connecting base body 1 is upward An air-entraining membrane 11 which is elastically deformable is connected convexly, and the air-entraining membrane can be integrally connected to the connecting base body, and the air-inducing membrane 11 and the connecting base body 1 form an air pumping chamber 15 on the connecting base body 1 A liquid outlet pipe 12 communicating with the lower opening of the connection base body 1 is also provided. The upper end of the liquid outlet pipe 12 protrudes from the connection base body 1 and is provided with a blocking member 13 for sealing the upper port of the liquid outlet pipe 12, The air-entraining membrane 11 is provided with an air supplement structure 14 that allows outside air to enter the air-entraining chamber 15. The air-entraining diaphragm is set on the opening of the connecting base body, and because the air-entraining diaphragm is made of elastically deformable material, the corresponding air-entraining structure is provided on the air-entraining diaphragm. When it is used, it can directly act on the air-entraining diaphragm. The connected container is inflated, and the outside air can quickly inflate the air into the inflation chamber through the air supplement structure, which is not only convenient to use, efficient in air supplement, but also simple in structure and low in manufacturing cost.

As shown in FIGS. 5-6, the blocking member 13 is a one-way valve so that the solution can flow out of the discharge pipe 12 in one direction. When in use, when the pressure of the solution in the container is greater than the threshold of the one-way valve, the The check valve is flushed away by the solution.

As shown in FIGS. 1-4 and 7, the blocking member 13 is a plug, and the plug is detachably connected to the upper port of the liquid outlet pipe 12 through a thin position. When in use, the plug is now broken off and removed from the upper port of the outlet pipe, and the upper port of the outlet pipe is now in communication with the outside world.

As shown in FIG. 1-2, the air supplement structure 14 is a supplementary air through hole. During use, the user blocks the supplementary air through hole and presses the inflator diaphragm inward to elastically deform it, and is located in the inflator cavity. The air enters the inner cavity of the container. When the user releases his hand, the air supply through hole is opened. The external air quickly enters the air pumping chamber through the air supply through hole during the reset process of the air pump diaphragm. .

As shown in FIG. 3, the air supplementing structure 14 is a scoring that allows outside air to enter the pumping chamber 15. Since the pumping membrane itself has elastic deformation performance, the scoring is formed in the pumping membrane elastic deformation The one-way valve structure that can be automatically closed when the pumping chamber is compressed, and when the pumping membrane is reset, outside air can enter the pumping chamber through the scoring.

As shown in FIGS. 5-6, the air supplement structure 14 is an exhaust valve, which can move up and down relative to the pumping diaphragm. During use, the user presses the valve core of the pumping valve to make the pumping diaphragm The diaphragm is elastically deformed, and the air located in the pumping chamber enters the inner cavity of the container. When the pumping membrane is reset and the user pulls up the spool of the exhaust valve, the exhaust valve passes quickly during the reset process of the pumping membrane. Enter the pumping chamber and repeat the pumping process.

As shown in FIGS. 4 and 7, the air pumping membrane 11 is provided with a recessed portion 16, and the air supplement structure 14 is a notch provided on the recessed portion 16 to allow outside air to enter the air pumping chamber 15 in one direction. Due to the elastic deformation performance of the pumping diaphragm itself, the scoring forms a one-way valve structure that can automatically close when the pumping diaphragm is elastically deformed and compresses the pumping chamber, and when the pumping diaphragm is reset, the outside of the depression is designed Air can enter the inflator chamber more quickly from this scribe.

As shown in FIG. 7, the pumping chamber 15 is provided with a spacer 17 that separates the pumping chamber 15 from the lower opening of the connecting base body 1, and the lower end of the liquid outlet pipe 12 penetrates the spacer 17, and the spacer 17 is provided with a one-way valve that allows the air in the pumping chamber 15 to enter the lower opening of the connecting seat body 1 in one direction. With this design structure, the pumping chamber 15 forms a relatively closed space and is separated from the container cavity. It is more conducive to the preservation of the solution in the cavity of the container and the pumping out of the liquid.

As shown in FIGS. 8-14, a novel pumping cap of the present invention includes a connecting base body 1 and a movable cover 2, the connecting base body 1 is opened up and down and the lower opening is used to connect with the mouth of the container, the movable cover 2 It is movably connected to the opening of the connection base body 1, and a piston ring 18 for slidingly and tightly fitting the movable cover 2 and the connection base body 1 is provided between the movable cover 2 and the connection base body 1. The connection base body 1 is provided with a tearable sealing sheet 3 that separates the upper opening and the lower opening of the connecting base body 1, and an air pumping chamber 15 is formed between the movable cover 2 and the connecting base body 1. The sealing sheet mainly plays the role of anti-counterfeiting and quality assurance. When used, the movable cover is first separated from the connecting seat body, and then the sealing sheet is torn, and then the movable cover is reinstalled. By repeatedly acting on the movable cover, when the movable cover is reset upward, Outside air can enter the pumping chamber through the piston ring.

For rapid air supplementation, the movable cover 2 is provided with a supplementary air structure 14, as shown in FIGS. 8-12, the supplementary air structure 14 may be a supplementary air through hole, or may be provided on the removable cover to allow outside air A one-way valve that can enter the pumping chamber in one direction.

In order to achieve pumping and liquid discharge, as shown in FIGS. 8-10, a liquid outlet pipe 12 is provided on the connecting base body 1 with a lower end communicating with the lower opening of the connecting base body 1 and an upper end extending from the connecting base body 1.

For initial sealing, as shown in FIGS. 8-9, a plug 13 is provided on the upper port of the liquid outlet pipe 12, and the plug is a breakable plug.

As shown in FIGS. 11-14, as another way of pumping out liquid, a liquid discharge nozzle 21 is provided on the movable cover 2, and a soft catheter 22 is initially placed in the pumping chamber 15 After the sealing sheet 3 is torn, the soft catheter 22 is connected to the inner port of the liquid discharge nozzle 21 and the lower end of the soft catheter 22 extends into the cavity of the container. When the sealing sheet is not torn, the soft catheter is placed in the pumping chamber. When the sealing sheet is torn, the soft catheter is connected to the liquid outlet. The lower end extends into the container, so it has the characteristics of ingenious structural design, convenient and flexible use, so it is convenient for assembly, packaging and transportation.

As shown in FIG. 13, the connecting base body 1 is provided with a partition block 4 that separates the upper opening and the lower opening of the connecting base body 1, and a tearable sealing sheet 3 is provided on the partition block 4. The block 4 is provided with a check valve when the movable cover 2 compresses the pumping chamber 15 but the air in the pumping chamber 15 enters into the lower opening of the connecting seat body 1 in one direction. When the tear seal is used, the soft catheter is connected to the liquid outlet, the lower end of the soft catheter is extended into the container, and the soft catheter and the block are connected by sealing contact, so The pumping chamber 15 is a closed space and is separated from the inner cavity of the container, which is more conducive to pumping and maintaining pressure and pumping out liquid.

As shown in FIGS. 15-24, a novel pumping cap of the present invention includes a connecting base body 1 and a movable cover 2, the connecting base body 1 is opened up and down and the lower opening is used to connect with the mouth of the container, the movable cover 2 It is movably connected to the opening of the connection base body 1, and a piston ring 18 for slidingly and tightly fitting the movable cover 2 and the connection base body 1 is provided between the movable cover 2 and the connection base body 1. The connection base body 1 is provided with a partition block 4 at the lower opening of the connection base body 1, an air pumping chamber 15 is formed between the movable cover 2, the connection base body 1 and the partition block 4, and the partition block 4 is provided with a movable When the cap 2 compresses the pumping chamber 15, the air in the pumping chamber 15 enters the check valve of the lower opening of the connecting seat body 1 in one direction. The upper outer side of the connecting seat body 1 is provided with a connecting external thread 19. The movable cover 2 The upper part is bent downward to form a connecting flange 23, and the inner side of the connecting flange 23 is provided with a connecting internal thread 231. In the initial state, the connecting flange 23 is connected with the connecting internal thread 231 through the connecting external thread 19. Since the movable cover and the connecting base body can be connected by connecting the external thread and the connecting internal thread at the beginning, it can avoid the relative movement of the movable cover relative to the connecting base body during transportation, and at the same time make the inflating cover shrink when it is initially or not used Volume for easy storage and transportation.

In order to prevent the pumping cap from being malicious, an anti-theft ring 24 that can be torn and connected to the connection flange 23 in the initial state is provided on the connecting base body 1, as shown in FIGS. 15-18 and 21-22; An anti-theft ring 24 that can be tearably connected to the connection base body 1 in an initial state may also be provided on the connection flange 23, as shown in FIGS. 19-20 and 23-24.

In order to facilitate the automatic reset of the movable cover after being pressed, to achieve the characteristics of labor saving and convenience, an elastic member 25 for resetting the movable cover 2 is provided in the pumping chamber 15. As shown in FIGS. 17-18, the elastic member 25 is a spring piece. The upper end of the spring piece is connected to the movable cover 2, and the lower end of the spring piece abuts against the bottom of the pumping chamber 15.

The connecting base body 1 is provided with a liquid outlet pipe 12 which communicates with the lower opening of the connecting base body 1 and whose upper end protrudes from the connecting base body 1. The upper port of the liquid outlet pipe 12 is provided with a blocking member 13. As shown in FIGS. 21 and 22, the blocking member 13 is a breakable plug. When in use, the plug is now broken, so that the upper port of the discharge pipe 12 is opened, and then the movable cover is repeatedly applied to the air pressure in the air pumping chamber. Into the inner cavity of the container, the solution in the inner cavity of the container flows out from the discharge pipe accordingly.

As shown in FIGS. 23 and 24, an air pump 41 is formed on the partition block 4 and extends circumferentially upward along the check valve on the partition block 4, and the partition block 4 is also provided with a pumping chamber 15. The connected liquid inlet conduit 42 is provided with a one-way valve that allows the solution in the container cavity to enter the pumping chamber 15 in one direction. During use, the movable cover is repeatedly applied to press the air in the pumping chamber into the container cavity through the pumping tube 41. When the pressure in the container cavity is greater than the threshold of the one-way valve on the inlet conduit 42, the solution in the container cavity is The liquid is stored in the pumping chamber 15 accordingly. When the corresponding volume is reached, after the user opens the movable cover, the solution stored in the pumping chamber 15 can be poured out.

In summary, the pumping cap of the present invention is not limited to containers for filling carbonated beverages, but also includes other containers.

Claims

A new type of pumping cap is characterized by comprising a connecting base body (1), the connecting base body (1) is opened up and down and the lower opening is used to connect with the mouth of the container, and the upper opening of the connecting base body (1) is convex upward An elastically deformable air-entraining membrane (11) is connected to the ground, the air-entraining membrane (11) and the connection base body (1) form an air-induction chamber (15), and the connection base body (1) is further provided with There is a liquid outlet pipe (12) communicating with the lower opening of the connecting base body (1), the upper end of the liquid outlet pipe (12) protrudes from the connecting base body (1) and is provided with an upper port for connecting the liquid outlet pipe (12) The sealing member (13) is sealed, and the air entraining membrane (11) is provided with an air supplement structure (14) so that outside air can enter the air entraining chamber (15).
A new pumping cap according to claim 1, characterized in that the blocking member (13) is a one-way valve so that the solution can flow out of the discharge pipe (12) unidirectionally, or the blocking member (13 ) Is a plug, which is detachably connected to the upper port of the liquid outlet tube (12) through a thin position.
A new pumping cap according to claim 1, characterized in that the air supplementing structure (14) is a supplementary air through hole, or the air supplementing structure (14) is to allow outside air to enter the pumping chamber (15 ), or the air supplement structure (14) is an exhaust valve.
A novel pumping cap according to claim 1, characterized in that the pumping diaphragm (11) is provided with a recessed portion (16), and the air supplementing structure (14) is provided on the recessed portion (16). The outside air is allowed to enter the cutout in the pumping chamber (15) in one direction.
A new pumping cap according to any one of claims 1 to 4, characterized in that the pumping chamber (15) is provided with a pumping chamber (15) separated from the lower opening of the connecting seat body (1) A spacer (17), the lower end of the liquid outlet pipe (12) penetrates the spacer (17), and the spacer (17) is provided with the air in the pumping chamber (15) to enter the connecting seat body in one direction ( 1) Check valve with lower opening.
A novel pumping cap is characterized by comprising a connecting base body (1) and a movable cover (2), the connecting base body (1) is opened up and down and the lower opening is used to connect with the mouth of the container, the movable cover (2 ) Can be movably connected to the opening of the connecting base body (1), and the movable cover (2) and the connecting base body (1) are provided for slidingly sealing the movable cover (2) and the connecting base body (1) For the piston ring (18), the connecting seat body (1) is provided with a tearable sealing sheet (3) separating the upper opening and the lower opening of the connecting seat body (1), and the movable cover ( 2) An air pumping chamber (15) is formed between the connecting base body (1).
A new type of air pumping cover according to claim 6, characterized in that the movable cover (2) is provided with a supplementary air structure (14).
A new pumping cap according to claim 6, characterized in that the connecting base body (1) is provided with a lower end communicating with the lower opening of the connecting base body (1) and an upper end protruding from the outlet of the connecting base body (1) Liquid tube (12).
A new pumping cap according to claim 8, characterized in that a blocking member (13) is provided on the upper port of the liquid outlet pipe (12).
A new pumping cap according to claim 6, characterized in that the movable cap (2) is provided with a liquid discharge nozzle (21), and a soft liquid guiding disc is initially placed in the pumping chamber (15) When the sealing piece (3) is torn, the flexible catheter (22) is connected to the inner port of the liquid outlet (21) and the lower end of the flexible catheter (22) extends into the cavity of the container.
A new type of pumping cap according to any one of claims 6-10, characterized in that the connecting base body (1) is provided with a partition block separating the upper opening and the lower opening of the connecting base body (1) ( 4), the tearable sealing sheet (3) is arranged on the partition block (4), and the partition block (4) is provided with a pumping chamber when the movable cover (2) compresses the pumping chamber (15) ( 15) The air in the one-way enters the one-way valve opened under the connecting seat body (1).
A novel pumping cap is characterized by comprising a connecting base body (1) and a movable cover (2), the connecting base body (1) is opened up and down and the lower opening is used to connect with the mouth of the container, the movable cover (2 ) Can be movably connected to the opening of the connecting base body (1), and the movable cover (2) and the connecting base body (1) are provided for slidingly sealing the movable cover (2) and the connecting base body (1) For the piston ring (18), the connecting seat body (1) is provided with a partition block (4) at the lower opening of the connecting seat body (1), the movable cover (2) and the connecting seat body (1) A pumping chamber (15) is formed between the block (4) and the block (4) is provided with a movable cover (2) that compresses the pumping chamber (15) but can be in the pumping chamber (15) One-way air unidirectionally enters the check valve of the lower opening of the connecting seat body (1), the connecting seat body (1) is provided with a connecting external thread (19) on the outer side, and the upper part of the movable cover (2) is bent downward to form The connecting flange (23) is provided with a connecting internal thread (231) inside the connecting flange (23). In the initial state, the connecting flange (23) cooperates with the connecting internal thread (231) through the connecting external thread (19) connection.
A new type of pumping cap according to claim 12, characterized in that the connecting seat body (1) is provided with an anti-theft ring (24) which can be tearably connected to the connecting flange (23) when the initial state; or The connection flanging (23) is provided with an anti-theft ring (24) which can be torn and connected with the connection base body (1) in an initial state.
A new pumping cover according to claim 12, characterized in that an elastic member (25) for resetting the movable cover (2) is provided in the pumping chamber (15).
A novel pumping cap according to claim 14, characterized in that the elastic member (25) is a spring leaf, the upper end of the spring leaf is connected to the movable cover (2), and the lower end of the spring leaf is in contact with the pumping chamber (15) The bottom.
A new pumping cap according to claims 12-15, characterized in that the connecting base body (1) is provided with a lower opening communicating with the connecting base body (1) and an upper end protruding from the connecting base body (1) A liquid outlet pipe (12), and a plug (13) is provided on an upper port of the liquid outlet pipe (12).
A novel pumping cap according to claims 12-15, characterized in that a pumping tube (41) is formed on the partition block (4) and extends circumferentially upward along the check valve on the partition block (4), so The partition block (4) is also provided with a liquid inlet conduit (42) that can communicate with the pumping chamber (15), and the liquid inlet conduit (42) is provided with a solution that allows the solution in the container cavity to enter the pumping chamber in one direction Check valve in the chamber (15).