CN210259478U

CN210259478U - Elastomer type toothpaste pump

Info

Publication number: CN210259478U
Application number: CN201921121098.0U
Authority: CN
Inventors: 黄益新
Original assignee: Shanghai Jienuode Plastic Products Co ltd
Current assignee: Shanghai Jienuode Plastic Products Co ltd
Priority date: 2019-07-05
Filing date: 2019-07-17
Publication date: 2020-04-07
Anticipated expiration: 2029-07-17

Abstract

The utility model relates to an elastomer toothpaste pump, which comprises a button, a discharge pipe, a sealing seat, an elastomer, a discharge barrel, an upper one-way valve and a lower one-way valve; the elastic body mainly comprises an inner cylinder, a first connecting ring, a middle cylinder and an umbrella body, wherein two ends of the inner cylinder and the middle cylinder are opened, the inner cylinder is positioned in the middle cylinder, the upper ends of the inner cylinder and the middle cylinder are flush and are connected with each other through the first connecting ring, and the lower end of the middle cylinder is connected with the small end of the umbrella body; only one end of the discharging barrel is opened, the opening end of the discharging barrel is inserted between the inner barrel and the middle barrel of the elastic body, the discharging barrel is fixedly connected with the elastic body, and the closed end of the discharging barrel is provided with a discharging through hole; the key is positioned above the elastic body; the discharge pipe is inserted into the inner cylinder of the elastomer, and the discharge pipe and the inner cylinder are in interference sealing fit; the sealing seat is positioned below the discharging barrel and is provided with a feeding through hole; the upper one-way valve is arranged on the discharge through hole of the discharge barrel; the lower check valve is arranged on the feed through hole of the sealing seat. The utility model discloses an elastomer formula toothpaste pump, simple structure, convenient to use.

Description

Elastomer type toothpaste pump

Technical Field

The utility model belongs to the technical field of the vacuum pump, a elastomer formula toothpaste pump is related to.

Background

Along with the development of society, the material life of people is greatly enriched, people not only pursue the quality of products, but also put higher requirements on appearance packaging of the products, particularly the packaging of daily necessities. The appearance package is not only a simple container, but also needs to be compatible with beautiful appearance and convenience in use. The packaging bottle with the extrusion type or press type discharging function is unique in the packaging of daily necessities due to the convenience in use and attractive appearance.

Patent CN105923281A discloses a self priming pump pressure formula packing bottle, and it discloses the ejection of compact principle of general push type ejection of compact packing bottle, and the lotion is extruded the back from the discharging pipe, seals discharging pipe upper end export through the pressing piece, and the lotion wall built-up blocks up the discharging pipe and forms the vacuum in the discharging pipe to smooth extrusion of lotion when making things convenient for reuse, if the unable wall built-up of lotion then can't realize sealed, can appear disconnected cream during the reuse, unable normal ejection of compact. The pump head of the packing bottle of the push type ejection of compact of prior art all is a simple discharging pipe, though simple structure, low cost, but when release button closed the packing bottle promptly, the lotion can down flow under the effect of gravity, along with live time's extension, the sealed inefficacy gradually of discharging pipe lower part, and the lotion can not keep in the discharging pipe completely, need press down many times when using and just can guarantee to extrude the lotion, has seriously influenced the result of use of packing bottle.

Therefore, the development of the elastomer type toothpaste pump capable of blocking the backflow of the paste and enhancing the sealing effect is of great practical significance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing an elastomer type toothpaste pump.

In order to achieve the above purpose, the utility model adopts the following scheme:

the elastic body type toothpaste pump comprises a key, a discharge pipe and a sealing seat, and also comprises an elastic body (namely a component integrally made of elastic materials), a discharge cylinder, an upper one-way valve and a lower one-way valve;

the elastic body mainly comprises an inner cylinder, a first connecting ring, a middle cylinder and an umbrella body, wherein two ends of the inner cylinder and the middle cylinder are opened, the inner cylinder is positioned in the middle cylinder, the upper ends of the inner cylinder and the middle cylinder are flush and are connected with each other through the first connecting ring, the lower end of the middle cylinder is connected with the small end of the umbrella body, the small end of the umbrella body is the smaller end of the umbrella body, and a plurality of clamping ribs can be arranged around the small end of the umbrella body to improve the structural strength of the umbrella body;

only one end of the discharging barrel is opened, the opening end of the discharging barrel is inserted between the inner barrel and the middle barrel of the elastic body, the discharging barrel is fixedly connected with the elastic body, and the closed end of the discharging barrel is provided with a discharging through hole;

the key is positioned above the elastic body and used for driving the elastic body to move downwards; the discharge pipe is inserted into the inner cylinder of the elastomer, and the discharge pipe and the inner cylinder are in interference sealing fit; the sealing seat is positioned below the discharging barrel and is provided with a feeding through hole;

the upper one-way valve is arranged on the discharge through hole of the discharge barrel and is used for one-way communication with the space on the upper side and the lower side of the closed end of the discharge barrel; the lower one-way valve is arranged on the feeding through hole of the sealing seat and is used for communicating the spaces on the upper side and the lower side of the sealing seat in a one-way manner; all the unidirectional communication means that the filler can only flow from bottom to top.

The action process of the elastomer type toothpaste pump of the utility model is as follows: in a natural state, the upper one-way valve and the lower one-way valve are closed, the pipe opening of the discharge pipe and the discharge through hole of the discharge barrel are sealed by the upper one-way valve, and the feed through hole of the sealing seat is sealed by the lower one-way valve; when downward acting force is applied to the key, the elastic body deforms under the action of the key to drive the discharging barrel to move downwards, the pipe opening of the discharging pipe is opened, the space pressure between the discharging barrel and the sealing seat is increased, the upper one-way valve is opened, and the filler between the discharging barrel and the sealing seat is extruded out of the discharging through hole of the discharging barrel, enters the discharging pipe through the cavity formed by the discharging pipe and the discharging barrel and is extruded out of the discharging pipe; when getting rid of the effort to the button, the elastomer resumes deformation, drives the play feed cylinder upward movement, and the button resets simultaneously, and the mouth of pipe and the last check valve of discharging pipe are closed, and the space pressure between play feed cylinder and the seal receptacle reduces, and lower check valve is opened, and the filler of seal receptacle below is extruded from the feed-in through hole of seal receptacle, gets into the space between play feed cylinder and the seal receptacle, and when the space pressure of both sides was equal about the seal receptacle, lower check valve closed.

As a preferable scheme:

according to the elastic body type toothpaste pump, the opening end of the discharge cylinder is directly inserted between the inner cylinder and the middle cylinder of the elastic body; go out feed cylinder and elastomer fixed connection structure and be: the inner side wall and the outer side wall of the discharge barrel are provided with annular bulges a, the outer side wall of the inner barrel and the inner side wall of the middle barrel are provided with annular grooves d, and the annular bulges a are embedded into the annular grooves d.

According to the elastomer type toothpaste pump, the opening end of the discharge cylinder is indirectly inserted between the inner cylinder and the middle cylinder of the elastomer, and the concrete steps are as follows: an additional cylinder is arranged between the inner cylinder and the middle cylinder of the elastic body, two ends of the additional cylinder are opened and are flush with the upper end of the inner cylinder, and the opening end of the discharge cylinder is inserted between the middle cylinder and the additional cylinder of the elastic body; go out feed cylinder and elastomer fixed connection structure and be: the inner side wall and the outer side wall of the discharge barrel are provided with annular bulges b, the outer side wall of the additional barrel and the inner side wall of the middle barrel are provided with annular grooves e, and the annular bulges b are embedded into the annular grooves e.

In the elastic toothpaste pump, the discharge tube is in interference sealing fit with the inner cylinder of the elastic body by arranging a plurality of annular protrusions c on the inner side wall of the inner cylinder of the elastic body.

According to the elastomer type toothpaste pump, the discharge pipe is in interference seal fit with the inner cylinder of the elastomer through sleeving a sealing element on the discharge pipe, the sealing element comprises a cylindrical cylinder and a circular truncated cone, the two ends of the cylindrical cylinder and the circular truncated cone are open, the upper end of the cylindrical cylinder is fixedly connected with the discharge pipe, the lower end of the cylindrical cylinder is fixedly connected with the small end of the lower end of the circular truncated cone, and the large end of the upper end of the circular truncated cone is in interference seal fit with the inner side wall of the inner cylinder.

According to the elastic body type toothpaste pump, the large end of the umbrella body of the elastic body is in interference fit with the sealing seat;

the upper one-way valve is an elastic sealing sheet or a turnover valve, and the lower one-way valve is an elastic sealing sheet;

the elastic sealing sheet consists of an annular ring, a sealing sheet positioned in the middle of the annular ring and a connecting strip for connecting the annular ring and the sealing sheet; the elastic sealing sheet is an integrally formed part, the thickness of the sealing sheet is smaller than that of the annular ring, the specific shapes and sizes of the annular ring, the sealing sheet and the connecting strip are not limited, for example, the solid section of the annular ring is rectangular, the sealing sheet is a circular sheet, the connecting strip is in an arc belt shape, the arc radius of the connecting strip is 2-5 mm larger than that of the sealing sheet, and the connecting part of the connecting strip and the sealing sheet is a bend; the turnover valve consists of a cover part and an elastic connecting strip; the turnover valve is a valve which realizes the opening and closing of the valve by the turnover of the cover part in the using process;

when the upper one-way valve is an elastic sealing sheet, the annular ring is a part of the inner cylinder of the elastic body or is integrally formed with the inner cylinder of the elastic body, and the sealing sheet covers the discharge through hole of the discharge cylinder; when the upper check valve is a turnover valve, the cover piece is of a spherical-segment-shaped structure and is embedded into the discharge through hole of the discharge barrel, the spherical-segment-shaped structure of the cover piece is beneficial to completely sealing the discharge through hole when the covering direction of the cover piece is changed, one end of the elastic connecting strip is connected with the cover piece, the other end of the elastic connecting strip is connected with the inner barrel of the elastic body, the number of the elastic connecting strip is not limited, as long as the connection between the cover piece and the inner barrel of the elastic body can be realized, and the turnover of the cover piece is not influenced, because the elastic connecting strip and the elastic body are both made of elastic materials, the upper check valve and the elastic body can be integrally;

the sealing seat is provided with an annular concave step, the annular ring of the lower one-way valve is fixed in the annular concave step of the sealing seat, and the sealing sheet of the lower one-way valve covers the feeding through hole of the sealing seat.

The elastic toothpaste pump further comprises a first supporting cylinder, a second supporting cylinder, a piston, a storage cylinder and a third connecting ring;

two ends of the first supporting cylinder and the second supporting cylinder are provided with openings, the first supporting cylinder is sleeved in the second supporting cylinder, and the lower ends of the first supporting cylinder and the second supporting cylinder are flush and are connected with the sealing seat simultaneously; the elastic body also comprises a second connecting ring and an outer cylinder, the umbrella body is sleeved in the outer cylinder, and the umbrella body and the outer cylinder are connected with each other through the second connecting ring; the outer cylinder of the elastic body is inserted between the first supporting cylinder and the second supporting cylinder, and the first supporting cylinder is inserted between the umbrella body and the outer cylinder of the elastic body;

the two ends of the storage cylinder are opened; the closed end of the discharging barrel and the part close to the closed end are fixed in the piston through a third connecting ring; the piston is positioned in the material storage cylinder and is in interference sealing fit with the material storage cylinder; the material storage cylinder is positioned in the first support cylinder; the seal receptacle is located the below of storage cylinder, and the two fixed connection.

According to the elastic body type toothpaste pump, the upper one-way valve and the lower one-way valve are both mushroom nails, or the upper one-way valve and the lower one-way valve are both elastic sealing sheets, or the upper one-way valve and the lower one-way valve are respectively a mushroom nail and an elastic sealing sheet, or the upper one-way valve and the lower one-way valve are respectively an elastic sealing sheet and a mushroom nail;

the mushroom nail is of a mushroom-shaped structure and comprises a cover body and a handle body connected with the cover body, the cover body is an elastic sheet, the edge of the cover body can be tilted to the n side after the cover body is subjected to the impact force of the m side, the m side and the n side are opposite, and the m side is the side where the handle body is located;

the elastic sealing sheet consists of an annular ring, a sealing sheet positioned in the middle of the annular ring and a connecting strip for connecting the annular ring and the sealing sheet;

when the upper check valve or the lower check valve is a mushroom nail, a closed end or a sealing seat of the discharging cylinder is provided with a central through hole and more than one surrounding through holes close to the central through hole, the number, distribution mode and shape of the surrounding through holes are not limited, for example, the number of the surrounding through holes is multiple, the surrounding through holes are uniformly distributed around the circumference of the central through hole, the surrounding through holes are in a sector shape, the surrounding through holes on the closed end or the sealing seat of the discharging cylinder are discharging through holes or feeding through holes, a handle body of the mushroom nail is inserted into the central through hole on the closed end or the sealing seat of the discharging cylinder and is fixedly connected with the closed end or the sealing seat of the discharging cylinder, a cover body of the mushroom nail is positioned above the closed end or the sealing seat of the discharging cylinder, and the lower surface of the;

when the upper check valve or the lower check valve is the elastic sealing sheet, an annular concave step surrounding the discharging through hole or the feeding through hole is arranged on the closed end or the sealing seat of the discharging barrel, the annular ring of the elastic sealing sheet is fixed in the annular concave step on the closed end or the sealing seat of the discharging barrel, and the sealing sheet covers the discharging through hole at the closed end of the discharging barrel or the feeding through hole of the sealing seat.

When the upper check valve is the mushroom nail, the upper surface of the cover body of the mushroom nail is used for covering the pipe orifice of the sealed discharge pipe and is of a spherical segment structure, so that the elastic body type toothpaste pump is beneficial to ensuring that the pipe orifice of the discharge pipe can be completely sealed when the covering direction of the cover body is changed.

According to the elastic body type toothpaste pump, the thickness of the cover body of the mushroom nail is gradually reduced from the center to the edge, and the thickness is less than 1 mm; the handle body of the mushroom nail consists of a connecting cylinder, a transition cylinder and a cone which are coaxially connected in sequence, the connecting cylinder is connected with the cover body of the mushroom nail, and the diameter of the transition cylinder is larger than that of the connecting cylinder and equal to that of the bottom surface of the cone.

Has the advantages that:

the utility model discloses an elastomer formula toothpaste pump, simple structure, convenient to use still can be applicable to other lotion or semifluid except toothpaste, can block the lotion backward flow and strengthen sealed effect.

Drawings

Fig. 1 is a schematic structural view of an elastomeric toothpaste pump of example 1;

FIGS. 2 to 3 are schematic structural views of the elastomer type toothpaste pump of example 1;

FIGS. 4 to 5 are schematic views showing a connecting structure between a discharge barrel and a piston of the elastomer type toothpaste pump according to embodiment 1;

FIGS. 6 to 7 are schematic structural views of an upper check valve of the elastomeric toothpaste pump of embodiment 1;

FIGS. 8 to 9 are schematic structural views of a lower check valve of the elastomer type toothpaste pump of embodiment 1;

fig. 10 is a schematic view showing a connection structure of a seal seat and a lower check valve of the elastomer type toothpaste pump according to example 1;

FIGS. 11 to 12 are schematic structural views of the buttons of the elastomer type toothpaste pump of embodiment 1;

FIGS. 13 to 14 are schematic structural views of the housing of the elastomer type toothpaste pump of embodiment 1;

FIGS. 15 to 16 are schematic structural views of a bottle body of a packaging bottle;

FIGS. 17 to 18 are schematic structural views of a piston in a bottle body of a packaging bottle;

FIGS. 19 to 20 are schematic structural views of a bottle cap of a packaging bottle;

FIGS. 21 to 22 are schematic structural views of a package bottle containing the elastomer type toothpaste pump of example 1;

FIG. 23 is a schematic diagram of the construction of a package containing the elastomeric toothpaste pump of example 2;

FIG. 24 is a schematic diagram of the construction of a package containing the elastomeric toothpaste pump of example 3;

FIG. 25 is a schematic diagram of the construction of a package containing the elastomeric toothpaste pump of example 4;

FIG. 26 is a schematic diagram of the construction of a package bottle containing the elastomeric toothpaste pump of example 5;

FIGS. 27 to 28 are schematic views showing a connection structure between an elastic body and an upper check valve of the elastic body type toothpaste pump of embodiment 5;

FIGS. 29 to 30 are schematic structural views of discharge barrels of the elastomer type toothpaste pump of embodiment 5;

wherein, 1-key, 2-discharging pipe, 3-sealing seat, 3.1-annular concave step, 4-feeding through hole, 5-elastomer, 5.1-inner cylinder, 5.2-first connecting ring, 5.3-middle cylinder, 5.4-additional cylinder, 5.5-umbrella body, 5.6-second connecting ring, 5.7-outer cylinder, 6-discharging cylinder, 7-discharging through hole, 8-upper one-way valve, 9-lower one-way valve, 10-annular bulge b, 11-annular groove e, 12-annular bulge c, 13-first supporting cylinder, 14-second supporting cylinder, 15-piston, 16-material storage cylinder, 17-third connecting ring, 18-central through hole, 19-surrounding through hole, 20-cover body, 21-handle body, 21.1-connecting cylinder, 21.2-transition cylinder, 21.3-cone, 22-annular ring, 23-sealing piece and 24-connecting strip.

Detailed Description

The present invention will be further described with reference to the following detailed description. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

In the description of the present invention, it should be understood that the terms "inside", "outside", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that the terms "mounted" and "connected" are to be construed broadly and, for example, may be fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

An elastic body type toothpaste pump is shown in figure 1 and comprises a shell shown in figures 13-14, a key 1 shown in figures 11-12, a discharge pipe 2, a sealing seat 3, an elastic body 5, a discharge barrel 6, an upper one-way valve 8 and a lower one-way valve 9;

as shown in fig. 2 to 3, the elastic body 5 mainly comprises an inner cylinder 5.1, a first connecting ring 5.2, a middle cylinder 5.3 and an umbrella body 5.5, two ends of the inner cylinder 5.1 and the middle cylinder 5.3 are open, the inner cylinder 5.1 is positioned in the middle cylinder 5.3, the upper ends of the two are flush and connected with each other through the first connecting ring 5.2, the lower end of the middle cylinder 5.3 is connected with the small end of the umbrella body 5.5, the small end of the umbrella body 5.5 is the end with the smaller size of the umbrella body 5.5, and a plurality of clamping ribs can be arranged around the small end of the umbrella body 5.5 to improve the structural strength of the umbrella body 5.5;

only one end of the discharging barrel 6 is opened, the discharging barrel 6 is fixedly connected with the elastomer 5, and a discharging through hole 7 is formed in the closed end of the discharging barrel 6;

the opening end of the discharging barrel 6 is directly inserted between the inner barrel 5.1 and the middle barrel 5.3 of the elastomer 5; go out feed cylinder 6 and elastomer 5 fixed connection structure and be: annular bulges a are arranged on the inner side wall and the outer side wall of the discharge barrel 6, annular grooves d are arranged on the outer side wall of the inner barrel 5.1 and the inner side wall of the middle barrel 5.3, and the annular bulges a are embedded in the annular grooves d; or the opening end of the discharge cylinder 6 is indirectly inserted between the inner cylinder 5.1 and the middle cylinder 5.3 of the elastic body 5, specifically: an additional cylinder 5.4 is also arranged between the inner cylinder 5.1 and the middle cylinder 5.3 of the elastic body 5, two ends of the additional cylinder 5.4 are opened and are flush with the upper end of the inner cylinder 5.1, and the opening end of the discharging cylinder 6 is inserted between the middle cylinder 5.3 and the additional cylinder 5.4 of the elastic body 5; go out feed cylinder 6 and elastomer 5 fixed connection structure and be: annular bulges b 10 are arranged on the inner side wall and the outer side wall of the discharge barrel 6, annular grooves e11 are arranged on the outer side wall of the additional barrel 5.4 and the inner side wall of the middle barrel 5.3, and the annular bulges b 10 are embedded into the annular grooves e 11;

the key 1 is positioned above the elastic body 5 and used for driving the elastic body 5 to move downwards; the discharge pipe 2 is inserted into the inner cylinder 5.1 of the elastic body 5, and is in interference seal fit with the inner cylinder 5.1 of the elastic body 5, specifically, the discharge pipe is realized by arranging a plurality of annular bulges c 12 on the inner side wall of the inner cylinder 5.1 of the elastic body 5, or a sealing element is sleeved on the discharge pipe 2, the sealing element consists of a cylindrical cylinder and a circular truncated cone, two ends of the cylindrical cylinder and the circular truncated cone are opened, the upper end of the cylindrical cylinder is fixedly connected with the discharge pipe 2, the lower end of the cylindrical cylinder is fixedly connected with the small end of the lower end of the circular truncated cone, and the large end of the upper end of the; the sealing seat 3 is positioned below the discharging barrel 6 and is provided with a feeding through hole 4;

the upper one-way valve 8 is arranged on the discharge through hole 7 of the discharge barrel 6 and is used for one-way communication with the space at the upper side and the lower side of the closed end of the discharge barrel 6; the lower one-way valve 9 is arranged on the feeding through hole 4 of the sealing seat 3 and is used for one-way communication with the spaces at the upper side and the lower side of the sealing seat 3; all the one-way communication means that the filler can only flow from bottom to top;

the device also comprises a first support cylinder 13, a second support cylinder 14, a piston 15, a storage cylinder 16 and a third connecting ring 17;

the two ends of the first supporting cylinder 13 and the second supporting cylinder 14 are opened, the first supporting cylinder 13 is sleeved in the second supporting cylinder 14, and the lower ends of the first supporting cylinder 13 and the second supporting cylinder are flush and are connected with the sealing seat 3 at the same time; the elastic body 5 also comprises a second connecting ring 5.6 and an outer cylinder 5.7, the umbrella body 5.5 is sleeved in the outer cylinder 5.7, and the two are connected with each other through the second connecting ring 5.6; the outer cylinder 5.7 of the elastic body 5 is inserted between the first supporting cylinder 13 and the second supporting cylinder 14, and the first supporting cylinder 13 is inserted between the umbrella body 5.5 and the outer cylinder 5.7 of the elastic body 5;

the two ends of the material storage barrel 16 are open; as shown in fig. 4-5, the closed end and the part close to the closed end of the discharging barrel 6 are fixed in the piston 15 through a third connecting ring 17; the piston 15 is positioned in the storage cylinder 16 and is in interference sealing fit with the storage cylinder 16; the storage barrel 16 is positioned in the first support barrel 13; the sealing seat 3 is positioned below the material storage barrel 16 and fixedly connected with the material storage barrel;

as shown in fig. 6 to 9, the upper check valve 8 and the lower check valve 9 are mushroom nails and elastic sealing pieces 23 respectively;

the mushroom nail is of a mushroom-shaped structure and comprises a cover body 20 and a handle body 21 connected with the cover body 20, the cover body 20 is an elastic sheet, the edge of the cover body 20 can be tilted to the n side after the cover body receives the impact force of the m side, the m side and the n side are opposite sides, and the m side is the side where the handle body 21 is located;

the thickness of the cover body 20 of the mushroom nail is gradually reduced from the center to the edge, and the thickness is less than 1 mm; the handle body 21 of the mushroom nail consists of a connecting cylinder 21.1, a transition cylinder 21.2 and a cone 21.3 which are coaxially connected in sequence, the connecting cylinder 21.1 is connected with the cover body 20 of the mushroom nail, and the diameter of the transition cylinder 21.2 is larger than that of the connecting cylinder 21.1 and is equal to that of the bottom surface of the cone 21.3;

the elastic sealing sheet 23 consists of an annular ring 22, a sealing sheet 23 positioned in the middle of the annular ring 22 and a connecting strip 24 for connecting the annular ring 22 and the sealing sheet 23;

the closed end of the discharging barrel 6 is provided with a central through hole 18 and more than one surrounding through hole 19 close to the central through hole 18, the surrounding through hole 19 on the closed end of the discharging barrel 6 is the discharging through hole 7, the handle body 21 of the mushroom nail is inserted into the central through hole 18 on the closed end of the discharging barrel 6 and is fixedly connected with the closed end of the discharging barrel 6, the cover body 20 of the mushroom nail is positioned above the closed end of the discharging barrel 6, the lower surface of the mushroom nail is used for covering and sealing the surrounding through hole 19 on the closed end of the discharging barrel 6, and the upper surface of the mushroom nail is used for covering and sealing the pipe orifice of the discharging;

as shown in fig. 10, an annular concave step 3.1 surrounding the feeding through hole 4 is provided on the sealing seat 3, the annular ring 22 of the elastic sealing sheet 23 is fixed in the annular concave step 3.1 on the sealing seat 3, and the sealing sheet 23 covers the feeding through hole 4 of the sealing seat 3.

The action process of the elastomer type toothpaste pump of the utility model is as follows: in a natural state, the pipe opening of the discharging pipe 2 and the discharging through hole 7 of the discharging barrel 6 are sealed by the upper surface and the lower surface of the cover body 20 of the mushroom nail, and the feeding through hole 4 of the sealing seat 3 is sealed by the sealing piece 23 of the elastic sealing piece 23; when downward acting force is applied to the key 1, the elastic body 5 deforms under the action of the key 1 to drive the discharging barrel 6 to move downwards, the pipe orifice of the discharging pipe 2 is opened, meanwhile, the space pressure between the discharging barrel 6 and the sealing seat 3 is increased, the edge of the cover body 20 of the mushroom nail is turned upwards, the discharging through hole 7 of the discharging barrel 6 is opened, fillers between the discharging barrel 6 and the sealing seat 3 are extruded out of the discharging through hole 7 of the discharging barrel 6, enter the discharging pipe 2 through a cavity formed by the discharging pipe 2 and the discharging barrel 6 and are extruded out of the discharging pipe 2, and in the process, the feeding through hole 4 of the sealing seat 3 is always sealed by the sealing piece 23 of the elastic sealing piece 23; when getting rid of the effort to button 1, the elastomer 5 resumes deformation, drive play feed cylinder 6 upward movement, button 1 resets, the lid 20 of mushroom nail resumes deformation, the mouth of pipe of discharging pipe 2 and the ejection of compact through-hole 7 of play feed cylinder 6 seal, the space pressure that goes out between feed cylinder 6 and the seal receptacle 3 reduces, the mounting 23 of elastic sealing piece 23 moves to feeding through-hole 4 top, the feeding through-hole 4 of seal receptacle 3 is opened, the filler of seal receptacle 3 below is extruded from feeding through-hole 4 of seal receptacle 3, get into the space between feed cylinder 6 and the seal receptacle 3, when equal to the space pressure of the upper and lower both sides of seal receptacle 3, the mounting 23 of elastic sealing piece 23 replies to initial position, cover sealed feeding through-hole 4 again.

The utility model discloses an elastomer formula toothpaste pump can assemble into the packing bottle as shown in 21 ~ 22 with the bottle as shown in 15 ~ 16, as shown in 17 ~ 18 bottle internal piston 15, as shown in 19 ~ 20 bottle lid, and the filler in this packing bottle is not limited to toothpaste, and other fluids are suitable for equally.

The utility model discloses an elasticity body formula toothpaste pump's concrete application form is not limited, as long as use the utility model discloses an elasticity body formula toothpaste pump all is in the protection scope of the utility model.

Example 2

The elastomeric toothpaste pump is basically the same as in example 1, except that: the lower check valve 9 is a mushroom nail, a central through hole 18 and more than one surrounding through hole 19 close to the central through hole 18 are arranged on the sealing seat 3, the surrounding through hole 19 on the sealing seat 3 is the feeding through hole 4, a handle body 21 of the mushroom nail is inserted into the central through hole 18 on the sealing seat 3 and is fixedly connected with the sealing seat 3, a cover body 20 of the mushroom nail is positioned above the sealing seat 3, and the lower surface of the mushroom nail is used for covering the surrounding through hole 19 on the sealing seat 3. A packaging bottle containing the elastomer type toothpaste pump of the utility model is shown in figure 23.

The action process of the elastomer type toothpaste pump of the utility model is as follows: in a natural state, the pipe opening of the discharging pipe 2 and the discharging through hole 7 of the discharging barrel 6 are sealed by the upper and lower surfaces of the cover body 20 of the upper mushroom nail (namely, the upper one-way valve 8), and the feeding through hole 4 of the sealing seat 3 is sealed by the lower surface of the cover body 20 of the lower mushroom nail (namely, the lower one-way valve 9); when downward acting force is applied to the key 1, the elastic body 5 deforms under the action of the key 1 to drive the discharging barrel 6 to move downwards, the opening of the discharging pipe 2 is opened, the space pressure between the discharging barrel 6 and the sealing seat 3 is increased, the edge of the cover body 20 of the mushroom nail of the upper mushroom nail is turned upwards, the discharging through hole 7 of the discharging barrel 6 is opened, fillers between the discharging barrel 6 and the sealing seat 3 are extruded from the discharging through hole 7 of the discharging barrel 6, enter the discharging pipe 2 through a cavity formed by the discharging pipe 2 and the discharging barrel 6 and are extruded from the discharging pipe 2, and in the process, the feeding through hole 4 of the sealing seat 3 is always sealed by the lower surface of the cover body 20 of the lower mushroom nail; when getting rid of the effort to button 1, the elastomer 5 resumes deformation, drive play feed cylinder 6 upward movement, button 1 resets, go up the lid 20 of mushroom nail and resume deformation, the mouth of pipe of discharging pipe 2 and the ejection of compact through-hole 7 of play feed cylinder 6 seal, the space pressure that goes out between feed cylinder 6 and the seal receptacle 3 reduces, the edge of the lid 20 of lower mushroom nail turns over upwards, feed through hole 4 of seal receptacle 3 is opened, the filler of seal receptacle 3 below is extruded from feed through hole 4 of seal receptacle 3, get into the space between feed cylinder 6 and the seal receptacle 3, when the space pressure of both sides is equal about the seal receptacle 3, the lid 20 of lower mushroom nail resumes deformation, feed through-hole 4 of seal receptacle 3 seals.

Example 3

The elastomeric toothpaste pump is basically the same as in example 1, except that: the upper one-way valve 8 and the lower one-way valve 9 are respectively an elastic sealing sheet 23 and a mushroom nail; an annular concave step 3.1 surrounding the discharging through hole 7 is arranged on the closed end of the discharging barrel 6, an annular ring 22 of the elastic sealing sheet 23 is fixed in the annular concave step 3.1 on the closed end of the discharging barrel 6, and the sealing sheet 23 covers the discharging through hole 7 on the closed end of the discharging barrel 6; the sealing seat 3 is provided with a central through hole 18 and more than one surrounding through hole 19 close to the central through hole 18, the surrounding through hole 19 on the sealing seat 3 is the feeding through hole 4, the handle body 21 of the mushroom nail is inserted into the central through hole 18 on the sealing seat 3 and is fixedly connected with the sealing seat 3, the cover body 20 of the mushroom nail is positioned above the sealing seat 3, and the lower surface of the mushroom nail is used for covering the surrounding through hole 19 on the sealing seat 3. A packaging bottle containing the elastomer type toothpaste pump of the utility model is shown in figure 24.

The action process of the elastomer type toothpaste pump of the utility model is as follows: in a natural state, the upper one-way valve 8 and the lower one-way valve 9 are closed, the pipe opening of the discharging pipe 2 and the discharging through hole 7 of the discharging barrel 6 are sealed by the sealing sheet 23 of the elastic sealing sheet 23, and the feeding through hole 4 of the sealing seat 3 is sealed by the lower surface of the cover body 20 of the mushroom nail; when downward acting force is applied to the key 1, the elastic body 5 deforms under the action of the key 1 to drive the discharging barrel 6 to move downwards, the pipe orifice of the discharging pipe 2 is opened, the space pressure between the discharging barrel 6 and the sealing seat 3 is increased, the sealing piece 23 of the elastic sealing piece 23 moves to the position above the discharging through hole 7, the discharging through hole 7 of the discharging barrel 6 is opened, fillers between the discharging barrel 6 and the sealing seat 3 are extruded from the discharging through hole 7 of the discharging barrel 6, enter the discharging pipe 2 through a cavity formed by the discharging pipe 2 and the discharging barrel 6 and are extruded from the discharging pipe 2, and in the process, the feeding through hole 4 of the sealing seat 3 is always sealed by the lower surface of the cover body 20 of the mushroom nail; when getting rid of the effort to button 1, the elastomer 5 resumes deformation, drive play feed cylinder 6 upward movement, button 1 resets, the mounting 23 of elastic sealing piece 23 reverts to initial position, cover the mouth of pipe of sealed ejection of compact through-hole 7 and discharging pipe 2 again, the space pressure that goes out between feed cylinder 6 and the seal receptacle 3 reduces, the edge of the lid 20 of mushroom nail turns over upwards, feed through hole 4 of seal receptacle 3 is opened, the filler of seal receptacle 3 below is extruded from feed through hole 4 of seal receptacle 3, get into the space between feed cylinder 6 and the seal receptacle 3, when being equal to the space pressure of seal receptacle 3 upper and lower both sides, the lid 20 of mushroom nail resumes deformation, feed through hole 4 of seal receptacle 3 seals.

Example 4

The elastomeric toothpaste pump is basically the same as in example 1, except that: go up check valve 8 and be elastic sealing piece 23, be equipped with the annular indent step 3.1 that encircles ejection of compact through-hole 7 on the blind end of play feed cylinder 6, the annular ring 22 of elastic sealing piece 23 is fixed in the annular indent step 3.1 on the blind end of play feed cylinder 6, and the sealing piece 23 covers on ejection of compact through-hole 7 of the blind end of play feed cylinder 6. A packaging bottle containing the elastomer type toothpaste pump of the utility model is shown in figure 25.

The action process of the elastomer type toothpaste pump of the utility model is as follows: in a natural state, the pipe opening of the discharging pipe 2 and the discharging through hole 7 of the discharging barrel 6 are sealed by a sealing sheet 23 of an upper elastic sealing sheet 23 (namely, an upper one-way valve 8), and the feeding through hole 4 of the sealing seat 3 is sealed by a sealing sheet 23 of a lower elastic sealing sheet 23 (namely, a lower one-way valve 9); when downward acting force is applied to the key 1, the elastic body 5 deforms under the action of the key 1 to drive the discharging barrel 6 to move downwards, the pipe orifice of the discharging pipe 2 is opened, the space pressure between the discharging barrel 6 and the sealing seat 3 is increased, the sealing piece 23 of the upper elastic sealing piece 23 moves to the position above the discharging through hole 7, the discharging through hole 7 of the discharging barrel 6 is opened, fillers between the discharging barrel 6 and the sealing seat 3 are extruded from the discharging through hole 7 of the discharging barrel 6, enter the discharging pipe 2 through a cavity formed by the discharging pipe 2 and the discharging barrel 6 and are extruded from the discharging pipe 2, and in the process, the feeding through hole 4 of the sealing seat 3 is always sealed by the sealing piece 23 of the lower elastic sealing piece 23; when getting rid of the effort to button 1, the elastomer 5 resumes deformation, drive play feed cylinder 6 upward movement, button 1 resets, go up the mounting 23 of elastic sealing piece 23 and reply to initial position, cover the mouth of pipe of sealed ejection of compact through-hole 7 and discharging pipe 2 again, the space pressure between play feed cylinder 6 and the seal receptacle 3 reduces, the mounting 23 of lower elastic sealing piece 23 moves to feeding through-hole 4 top, the feeding through-hole 4 of seal receptacle 3 is opened, the filler of seal receptacle 3 below is extruded from the feeding through-hole 4 of seal receptacle 3, get into the space between feed cylinder 6 and the seal receptacle 3, when equal to the space pressure of both sides about the seal receptacle 3, the mounting 23 of lower elastic sealing piece 23 replies to initial position, cover the feeding through-hole 4 of seal receptacle 3 again.

Example 5

The elastomeric toothpaste pump is basically the same as in example 1, except that: the first support cylinder 13, the second support cylinder 14, the piston 15, the storage cylinder 16 and the third connecting ring 17 are not included, the elastic body 5 does not include the second connecting ring 5.6 and the outer cylinder 5.7, and the large end of the umbrella body 5.5 of the elastic body 5 is in interference fit with the sealing seat 3; the upper check valve 8 is a turnover valve and consists of a cover piece and an elastic connecting strip 24, the cover piece is of a segment-shaped structure and is embedded into the discharge through hole 7 of the discharge cylinder 6, one end of the elastic connecting strip 24 is connected with the cover piece, and the other end of the elastic connecting strip is connected with the inner cylinder 5.1 of the elastic body 5, or as shown in figures 27-28, the upper check valve 8 is an elastic sealing sheet 23, an annular ring 22 of the upper check valve is a part of the inner cylinder 5.1 of the elastic body 5 or is integrally formed with the inner cylinder 5.1 of the elastic body 5, and the sealing sheet 23 of the upper check valve covers the discharge through hole 7 of the; the structure of the discharging barrel 6 is shown in fig. 29-30. A packaging bottle containing the elastomer type toothpaste pump of the utility model is shown in figure 26.

The action process of the elastomer type toothpaste pump of the utility model is as follows: in a natural state, the pipe opening of the discharging pipe 2 and the discharging through hole 7 of the discharging barrel 6 are sealed by a cover piece of the turnover valve or a sealing piece 23 of an upper elastic sealing piece 23 (namely, an upper one-way valve 8), and the feeding through hole 4 of the sealing seat 3 is sealed by the sealing piece 23 of a lower elastic sealing piece 23 (namely, a lower one-way valve 9); when downward acting force is applied to the key 1, the elastic body 5 deforms under the action of the key 1 to drive the discharging barrel 6 to move downwards, the pipe orifice of the discharging pipe 2 is opened, the space pressure between the discharging barrel 6 and the sealing seat 3 is increased, the cover part of the turnover valve is turned upwards or the sealing piece 23 of the upper elastic sealing piece 23 moves upwards, the discharging through hole 7 of the discharging barrel 6 is opened, fillers between the discharging barrel 6 and the sealing seat 3 are extruded from the discharging through hole 7 of the discharging barrel 6, enter the discharging pipe 2 through a cavity formed by the discharging pipe 2 and the discharging barrel 6 and are extruded from the discharging pipe 2, and in the process, the feeding through hole 4 of the sealing seat 3 is always sealed by the sealing piece 23 of the lower elastic sealing piece 23; when the acting force on the key 1 is removed, the elastic body 5 recovers deformation, the discharge cylinder 6 is driven to move upwards, the key 1 resets, the turnover valve recovers deformation or the upper elastic sealing sheet 23 resets, the cover piece of the turnover valve turns over downwards or the sealing sheet 23 of the upper elastic sealing sheet 23 moves downwards, the discharge through hole 7 of the discharge cylinder 6 and the pipe orifice of the discharge pipe 2 are sealed, the space pressure between the discharge cylinder 6 and the sealing seat 3 is reduced, the sealing sheet 23 of the lower elastic sealing sheet 23 moves to the upper side of the feed through hole 4 of the sealing seat 3, the feed through hole 4 of the sealing seat 3 is opened, the filler below the sealing seat 3 is extruded from the feed through hole 4 of the sealing seat 3 and enters the space between the discharge cylinder 6 and the sealing seat 3, and when the space pressures on the upper side and the lower side of the sealing seat 3 are equal, the sealing sheet 23 of the lower elastic sealing sheet 23 returns to the initial position and covers the feed.

Claims

1. Elastomer formula toothpaste pump, including button, discharging pipe and seal receptacle, characterized by: the device also comprises an elastomer, a discharge barrel, an upper one-way valve and a lower one-way valve;

the elastic body mainly comprises an inner cylinder, a first connecting ring, a middle cylinder and an umbrella body, wherein two ends of the inner cylinder and the middle cylinder are opened, the inner cylinder is positioned in the middle cylinder, the upper ends of the inner cylinder and the middle cylinder are flush and are connected with each other through the first connecting ring, and the lower end of the middle cylinder is connected with the small end of the umbrella body;

2. The elastomeric toothpaste pump according to claim 1, wherein the open end of the discharge barrel is inserted directly between the inner and middle barrels of the elastomer; go out feed cylinder and elastomer fixed connection structure and be: the inner side wall and the outer side wall of the discharge barrel are provided with annular bulges a, the outer side wall of the inner barrel and the inner side wall of the middle barrel are provided with annular grooves d, and the annular bulges a are embedded into the annular grooves d.

3. The elastomer type toothpaste pump according to claim 1, wherein the open end of the discharge barrel is indirectly inserted between the inner barrel and the middle barrel of the elastomer, specifically: an additional cylinder is arranged between the inner cylinder and the middle cylinder of the elastic body, two ends of the additional cylinder are opened and are flush with the upper end of the inner cylinder, and the opening end of the discharge cylinder is inserted between the middle cylinder and the additional cylinder of the elastic body; go out feed cylinder and elastomer fixed connection structure and be: the inner side wall and the outer side wall of the discharge barrel are provided with annular bulges b, the outer side wall of the additional barrel and the inner side wall of the middle barrel are provided with annular grooves e, and the annular bulges b are embedded into the annular grooves e.

4. The elastomeric toothpaste pump according to claim 1, wherein the interference seal between the outlet tube and the inner elastomeric barrel is achieved by providing a plurality of annular protrusions c on the inner sidewall of the inner elastomeric barrel.

5. The elastomeric toothpaste pump according to claim 1, wherein the interference seal between the outlet tube and the inner tube is achieved by fitting a sealing member over the outlet tube, the sealing member comprises a cylindrical tube and a circular truncated cone, both ends of the cylindrical tube and the circular truncated cone are open, the upper end of the cylindrical tube is fixedly connected to the outlet tube, the lower end of the cylindrical tube is fixedly connected to the small end of the lower end of the circular truncated cone, and the large end of the upper end of the circular truncated cone is in interference seal with the inner sidewall of the inner tube.

6. The elastomer type toothpaste pump according to any one of claims 1 to 5, wherein the large end of the elastomer umbrella body is in interference fit with the sealing seat;

the elastic sealing sheet consists of an annular ring, a sealing sheet positioned in the middle of the annular ring and a connecting strip for connecting the annular ring and the sealing sheet; the turnover valve consists of a cover part and an elastic connecting strip;

when the upper one-way valve is an elastic sealing sheet, the annular ring is a part of the inner cylinder of the elastic body or is integrally formed with the inner cylinder of the elastic body, and the sealing sheet covers the discharge through hole of the discharge cylinder; when the upper one-way valve is a turnover valve, the cover piece of the upper one-way valve is of a segment-shaped structure and is embedded into the discharge through hole of the discharge cylinder, one end of the elastic connecting strip is connected with the cover piece, and the other end of the elastic connecting strip is connected with the inner cylinder of the elastic body;

7. The elastomer type toothpaste pump according to any one of claims 1 to 5, further comprising a first support cylinder, a second support cylinder, a piston, a storage cylinder and a third connecting ring;

8. The elastomeric toothpaste pump of claim 7, wherein the upper one-way valve and the lower one-way valve are both mushroom nails, or the upper one-way valve and the lower one-way valve are both elastomeric seals, or the upper one-way valve and the lower one-way valve are respectively mushroom nails and elastomeric seals, or the upper one-way valve and the lower one-way valve are respectively elastomeric seals and mushroom nails;

when the upper check valve or the lower check valve is the mushroom nail, a central through hole and more than one surrounding through hole close to the central through hole are arranged on the closed end or the sealing seat of the discharging cylinder, the surrounding through holes on the closed end or the sealing seat of the discharging cylinder are discharging through holes or feeding through holes, the handle body of the mushroom nail is inserted into the central through hole on the closed end or the sealing seat of the discharging cylinder and is fixedly connected with the closed end or the sealing seat of the discharging cylinder, the cover body of the mushroom nail is positioned above the closed end or the sealing seat of the discharging cylinder, and the lower surface of the mushroom nail is used for covering the surrounding through hole on the closed end or the sealing seat of;

9. The elastomeric toothpaste pump according to claim 8, wherein when the upper check valve is a mushroom nail, the upper surface of the cap of the mushroom nail covers the nozzle of the sealed discharge tube and has a segment-shaped structure.

10. The elastomeric toothpaste pump according to claim 8, wherein the cap of the mushroom spike decreases in thickness from the center to the rim; the handle body of the mushroom nail consists of a connecting cylinder, a transition cylinder and a cone which are coaxially connected in sequence, the connecting cylinder is connected with the cover body of the mushroom nail, and the diameter of the transition cylinder is larger than that of the connecting cylinder and equal to that of the bottom surface of the cone.