Vacuum pump type container suitable for paste, pumping structure of vacuum pump type container and vacuum pump type toothpaste

Abstract

The vacuum pump type container comprises a container body and the pumping pressure structure, the pumping pressure structure comprises an upper piston, the upper piston comprises an annular column, an upper piston outer wall, a plurality of elastic ribs and a valve plate, one end of each elastic rib is connected with the annular column, and the other end of each elastic rib is connected with the valve plate; the annular column, the outer wall of the upper piston, the elastic ribs and the valve plate are integrally formed, a sliding wall is fixedly arranged in the container body, and the outer wall of the upper piston is in sliding fit with the sliding wall; a piston cover through hole is formed in the piston cover, the piston cover is connected with the annular column of the upper piston in a clamped mode, and the valve plate is located above the piston cover through hole; the discharging pipe is provided with a material channel, and the center line of the material channel is in an arc shape; the outer wall of the lower portion of the discharging pipe is fixed and connected with the inner wall of the annular column of the upper piston in a sealed mode, and the lower end face of the discharging pipe is located above the elastic ribs and the valve plate. And the discharging button is matched with the discharging pipe in a relatively fixed manner.

Description

Technical Field

[0001] The utility model relates to a vacuum pump type container, in particular to a vacuum pump type container for pastes such as toothpaste and the like, and a pump pressure structure and application thereof. Background Art

[0002] The vacuum pump container uses the principle of vacuum and atmospheric pressure difference to realize the outflow of the contents of the pump container (such as toothpaste, etc.). The vacuum pump container generally includes a container body and a pump pressure structure with a valve. The pump pressure structure has an important and even decisive influence on the cost of the vacuum pump container, the quality preservation effect of the contents, and the use performance of the container such as operability and liquid discharge effect. Therefore, the prior art has conducted a lot of research on the design of the pump pressure structure. However, the pump pressure structure in the prior art still has one or another deficiency.

[0003] Patent document CN 210290034 U discloses a vacuum container with an elastic valve, wherein it is proposed to improve the valve of a pump-type container so that the valve body and the elastic member are formed into one piece, thereby avoiding the use of too many springs in the prior art and effectively reducing the difficulty of assembly. Specifically, the patent document proposes to set the second valve as a structure in which the pressure-bearing part, the elastic part and the valve body are formed in sequence, and defines that the pressure-bearing part is connected to the floating tube and an axial through hole is set in the pressure-bearing part. In a specific embodiment, the pressure-bearing part is set to have a cylindrical body extending in the axial direction, and the elastic part is set to have a part extending at least in the axial direction. Patent document CN 209973202 U discloses a double-chamber vacuum pump container with an elastic combination valve, wherein a large elastic valve and a small elastic valve composed of an annular outer ring, a central disc and a connecting rib are disclosed, and the small elastic valve is connected to the pressing piston buckle.

[0004] However, with the structures of the embodiments of these documents, the liquid discharge effect still needs to be improved. Specifically, the amount of liquid discharged each time you press is not controllable (especially for viscous pastes), there is a large amount of residual content, resulting in waste, and pressing is prone to jamming and poor hand feel. In addition, during product assembly, a relatively flexible valve needs to be installed into the inner cavity of the piston, which brings trouble to the assembly and still needs to be optimized. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a new vacuum pump type container and toothpaste product with an improved pump pressure structure, which is particularly suitable for paste-like substances.

[0006] In order to solve the above technical problems, the utility model provides a vacuum pump container suitable for pastes in the first aspect, comprising:

[0007] A container body, the container body comprising an upper opening and a lower opening disposed below the upper opening, a spacer is disposed between the upper opening and the lower opening to separate the two, the spacer has a through hole, and an elastic valve is disposed at the through hole;

[0008] An upper piston, the upper piston comprising an annular column, an upper piston outer wall arranged outside the annular column, a plurality of elastic ribs and a valve plate located at the bottom of the upper piston, one end of the plurality of elastic ribs being respectively connected to the annular column, the other end of the plurality of elastic ribs being respectively connected to the valve plate, the annular column, the upper piston outer wall, the plurality of elastic ribs and the valve plate being integrally formed, the spacer extending upward to form a sliding wall, the upper piston outer wall being sealed and relatively slidably matched with the sliding wall;

[0009] A piston cover, wherein the piston cover has a piston cover through hole, the piston cover is clamped with the annular column of the upper piston, the valve plate of the upper piston is located above the piston cover through hole and the center lines of the two coincide;

[0010] A discharge pipe, the discharge pipe having a material passage extending in the up-down direction and penetrating the upper end and the lower end thereof, the lower outer wall of the discharge pipe being fixedly and sealingly connected to the inner wall of the annular column of the upper piston, and the lower end surface of the discharge pipe being located above the plurality of elastic ribs and the valve plate;

[0011] A discharge button, the discharge button and the discharge pipe are relatively fixedly matched;

[0012] A lower piston, the outer wall of which is in sealing and sliding cooperation with the inner wall of the lower end opening;

[0013] A bottom cover, the bottom cover is fixedly arranged at the lower end of the lower end opening and is used to close the lower end opening;

[0014] A first chamber is formed between the spacer, the elastic valve, the sliding wall, the piston cover and the upper piston, and a second chamber is formed between the lower piston, the lower end opening, the spacer and the elastic valve;

[0015] The vacuum pump container suitable for paste has an initial state and a pressed state. When in the initial state, the first chamber remains in a closed state, the valve sheet closes the piston cover through hole on the piston cover, and a first distance exists between the lower end surface of the discharge pipe and the valve sheet; when in the pressed state, the first chamber remains in an open state, the valve sheet moves upward away from the piston cover through hole, and a second distance exists between the lower end surface of the discharge pipe and the valve sheet, and the first distance is greater than the second distance.

[0016] The vacuum pump container suitable for paste further comprises a pressing elastic member, and the pressing elastic member is used for causing the upper piston to tend to move upward.

[0017] In one embodiment, the center line of the material channel of the discharge pipe is arc-shaped.

[0018] In one embodiment, the annular column, the outer wall of the upper piston, the plurality of elastic ribs and the valve plate of the upper piston are made of the same material; the material of the upper piston and the piston cover is the same or different.

[0019] In one embodiment, the thickness of the annular column of the upper piston and the outer wall of the upper piston is greater than the thickness of the elastic rib and the valve plate, the thickness of the valve plate is greater than the thickness of the elastic rib, and / or the materials of the piston cover and the upper piston are selected from high-density polyethylene and low-density polyethylene, respectively.

[0020] In one embodiment, the piston cover is made of a material having a first hardness, and the upper piston is made of a material having a second hardness, and the first hardness is greater than the second hardness.

[0021] In one embodiment, the first distance is 1.5 mm to 5 mm; and / or the second distance is 0.5 mm to 1.0 mm. In a specific and preferred embodiment, the first distance is 2 mm to 3 mm.

[0022] In one embodiment, the valve plate is circular, the multiple elastic ribs are evenly distributed along the circumference of the valve plate, there is a hollow space between two adjacent elastic ribs, and the total area of ​​the hollow space is greater than the total cross-sectional area of ​​the multiple elastic ribs.

[0023] In one embodiment, each of the elastic ribs is composed of an arc-shaped body, and an inner connecting end and an outer connecting end respectively located at the inner side and the outer side of the arc-shaped body, and the number of the elastic ribs is 4 to 8.

[0024] In one embodiment, the cross-sectional area of ​​the piston cover through hole is smaller than or equal to the cross-sectional area of ​​the valve plate.

[0025] The second aspect of the utility model provides a pump pressure structure of a container, wherein the container comprises a container body, and the pump pressure structure is used to transfer the contents sealed in the container body to the outside of the container body, characterized in that the pump pressure structure comprises:

[0026] A pressing piston, the pressing piston comprising an annular column, an outer wall of the pressing piston arranged outside the annular column, a plurality of elastic ribs and a valve sheet located at the bottom of the annular column, one end of the plurality of elastic ribs being respectively connected to the annular column, the other end of the plurality of elastic ribs being respectively connected to the valve sheet, the annular column, the outer wall of the pressing piston, the plurality of elastic ribs and the valve sheet being integrally formed, a sliding wall having an extension direction consistent with that of the outer wall of the pressing piston being provided in the container body, the outer wall of the piston being sealed with the sliding wall and being able to slide relative to the sliding wall;

[0027] A piston cover, wherein the piston cover has a piston cover through hole, the piston cover is clamped with the annular column of the pressing piston, the valve sheet of the pressing piston is located above the piston cover through hole and the center lines of the two coincide;

[0028] A discharge pipe, the discharge pipe having a material channel running through the outer end and the inner end thereof, the discharge pipe portion is arranged in the annular column of the pressing piston and the outer wall of the portion is sealed with the inner wall of the annular column of the pressing piston and the two are relatively fixedly matched, the inner end surface of the discharge pipe is located above the plurality of elastic ribs and the valve plate, and the inner end opening of the material channel faces the valve plate;

[0029] A discharge button, the discharge button and the discharge pipe are relatively fixedly matched;

[0030] A pressing elastic member, the pressing elastic member is used to make the pressing piston tend to move outward;

[0031] The annular column, the outer wall of the piston, the multiple elastic ribs and the valve plate of the pressing piston are made of the same material; the material of the pressing piston and the piston cover is the same or different;

[0032] The pump pressure structure has an initial state and a use state. When in the initial state, the valve plate closes the piston cover through hole on the piston cover, and a first distance exists between the lower end surface of the discharge pipe and the valve plate; when in the pressing state, the valve plate moves upward away from the piston cover through hole, and a second distance exists between the lower end surface of the discharge pipe and the valve plate, and the first distance is greater than the second distance.

[0033] The pumping structure further comprises a pressing elastic member, and the pressing elastic member is used to make the pressing piston tend to move outward.

[0034] In one embodiment, the center line of the material channel of the discharge pipe is arc-shaped.

[0035] In one embodiment, the thickness of the annular column of the pressing piston and the outer wall of the pressing piston are greater than the thickness of the elastic ribs and the valve plate, the thickness of the valve plate is greater than the thickness of the elastic ribs, and / or the materials of the piston cover and the upper piston are selected from high-density polyethylene and low-density polyethylene, respectively.

[0036] In one embodiment, the piston cover is made of a material having a first hardness, and the pressing piston is made of a material having a second hardness, and the first hardness is greater than the second hardness.

[0037] In a preferred embodiment, the first distance is 1.5 mm to 5 mm. In a specific and preferred embodiment, the first distance is 2 mm to 3 mm.

[0038] In one embodiment, the second distance is preferably 0.5 mm to 1.0 mm.

[0039] The third aspect of the utility model provides a vacuum pump type toothpaste, which comprises the vacuum pump type container as described above or the pump pressure structure of the container as described above, and the toothpaste arranged in the container body.

[0040] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0041] The vacuum pump container of the utility model adopts a new pump pressure structure, through the setting of an integrated pressing piston with multiple elastic ribs and valve plates and a piston cover connected to the pressing piston, combined with the relative position relationship control of the discharge pipe and the valve plate, on the one hand, the assembly of the pump pressure structure is more convenient, and on the other hand, the controllability of the pump pressure liquid is improved and the residue of the contents is reduced. Based on the setting of this structure, the pressing piston can be further conveniently set to a softer material, further improving the user's feel during operation and reducing jamming. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Attached Figure 1 is a three-dimensional schematic diagram of a vacuum pump type container of an embodiment;

[0043] Attached Figure 2 A top view of a vacuum pump container of an embodiment;

[0044] Attached Figure 3 For attachment Figure 2 A cross-sectional view along the AA direction, at which the vacuum pump container is in the initial state;

[0045] Attached Figure 4 For attachment Figure 3 A magnified view of part B;

[0046] Attached Figure 5 For attachment Figure 2A cross-sectional view along the AA direction, at which the vacuum pump container is in a pressed state;

[0047] Attached Figure 6 For attachment Figure 5 Enlarged view of part C;

[0048] Attached Figure 7 For attachment Figure 2 A cross-sectional view along the AA direction, at which the vacuum pump container is in a reset state;

[0049] Attached Figure 8 It is one of the three-dimensional schematic diagrams of the piston cover of the embodiment;

[0050] Attached Fig. 9 The second is a three-dimensional schematic diagram of the piston cover of the embodiment;

[0051] Attached Fig.10 It is a three-dimensional schematic diagram of the piston in the embodiment.

[0052] The numbers in the figure are:

[0053] 1-container body; 11-upper end opening; 111-spring seat; 12-lower end opening; 2-spacer; 21-through hole; 22-sliding wall; 3-upper piston; 31-annular column; 32-upper piston outer wall; 4-piston cover; 41-piston cover through hole; 42-piston cover outer wall; 43-piston cover bottom; 44-piston cover through hole wall; 5-discharge pipe; 51-material channel; 511-upper end surface; 512-lower end surface; 6-discharge button; 7-pressing elastic member; 8-elastic valve; 9-lower piston; 10-bottom cover; 13-first chamber; 14-second chamber; 15-enclosed space; 16-valve plate; 17-elastic ribs; 171-arc-shaped body; 172-inner connecting end; 173-outer connecting end. DETAILED DESCRIPTION

[0054] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0055] In the description of the present invention, the directions involved such as "front", "rear", "left", "right", "up", "down", etc. are all defined by reference to the directions observed by the user when using the device. Figure 3 As shown, the left direction in the figure is "front", the right direction in the figure is "back", the upper direction in the figure is "up", the lower direction in the figure is "down", and the directions perpendicular to the viewing angle in the figure are "left" and "right". The definitions of the above directions are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0056] See also Figure 1-10 As shown, the vacuum pump type container includes a container body 1, a spacer 2, an upper piston (pressing piston) 3, a piston cover 4, a discharge pipe 5, a discharge button 6, a pressing elastic member 7, an elastic valve 8, a lower piston 9 and a bottom cover 10, wherein the upper piston 3, the piston cover 4, the discharge pipe 5, the discharge button 6, and the pressing elastic member 7 constitute a pumping structure, and the pumping structure is used to transfer the contents sealed in the container body 1 to the outside of the container body 1.

[0057] The container body 1 is cylindrical, specifically including an upper opening portion 11 and a lower opening portion 12 arranged below the upper opening portion 11. The bottom cover 10 is fixedly arranged at the lower end of the lower opening portion 12 to close the lower opening portion 12. The upper opening portion 11 and the lower opening portion 12 are fixedly connected. The upper opening portion 11 and the lower opening portion 12 are separated by a spacer 2, and a through hole 21 is arranged on the spacer. In one embodiment, the spacer 2 is arranged at two-thirds of the length of the height of the container body 1 in the up and down direction.

[0058] The lower piston 9 is disposed below the spacer 2 and has an annular outer wall 91 . The outer wall 91 of the lower piston 9 is in sealing and sliding cooperation with the inner wall of the lower end opening 12 .

[0059] The bottom cover 10 is fixedly disposed at the lower end of the lower opening 12 to close the lower opening 12 .

[0060] The upper piston 3 is arranged above the spacer 2, and the upper piston 3 includes an annular column 31, an upper piston outer wall (pressing piston outer wall) 32 arranged outside the annular column 31, and a plurality of elastic ribs 17 and a valve plate 16 located at the bottom of the upper piston 3, one end of the plurality of elastic ribs 17 is respectively connected to the annular column 31, and the other end of the plurality of elastic ribs 17 is respectively connected to the valve plate 16. In one embodiment, the valve plate 16 is circular, the plurality of elastic ribs 17 are evenly distributed along the circumference of the valve plate 16, there is a hollow between two adjacent elastic ribs 17, and the total area of ​​the hollow is greater than the cross-sectional area of ​​the elastic rib 17, the elastic rib 17 is composed of an arc-shaped body 171 and an inner connecting end 172 and an outer connecting end 173 respectively located on the inner side and the outer side of the arc-shaped body 171, and the number of the elastic ribs 17 is 4 to 8. The annular column 31, the upper piston outer wall 32, multiple elastic ribs 17 and the valve plate 16 are integrally formed, and the spacer 2 extends upward to form a sliding wall 22 extending in the up and down directions. The upper piston outer wall 32 is sealed and can slide relatively with the sliding wall 22. The thickness of the annular column 31 and the upper piston outer wall 32 of the upper piston 3 is greater than the thickness of the elastic ribs 17 and the valve plate 16, and the thickness of the valve plate 16 is greater than the thickness of the elastic ribs 17.

[0061] The piston cover 4 is provided with a piston cover through hole 41. The piston cover 4 is snap-connected with the annular column 31 of the upper piston 3 and is located below the valve plate 16. The center lines of the valve plate 16 and the piston cover through hole 41 coincide with each other. Specifically, in this embodiment, the piston cover 4 includes an annular piston cover outer wall 42, a piston cover bottom 43 arranged at the bottom of the piston cover outer wall 42 and extending in the horizontal direction, and an annular piston cover through hole wall 44 arranged inside the piston cover outer wall 42. The piston cover through hole wall 44 extends downward and is fixedly connected to the piston cover bottom 43. The piston cover through hole wall 44 surrounds and forms the piston cover through hole 41. The piston cover outer wall 42 is sleeved on the lower part of the annular column 31. The valve plate 16 is arranged at the upper end of the piston cover through hole wall 44. The cross-sectional area of ​​the piston cover through hole 41 is less than or equal to the cross-sectional area of ​​the valve plate 16, so that the valve plate 6 can completely cover the piston cover through hole 41 to form a closure of the piston cover through hole 41. By providing the valve plate 16 and the elastic rib 17 , the opening and closing of the piston cover through hole 41 can be achieved.

[0062] The annular column 31, the outer wall 32, the plurality of elastic ribs 17 and the valve plate 16 of the upper piston 3 are made of the same material; the upper piston 3 and the piston cover 4 are made of the same or different materials. In one embodiment, the piston cover 4 is made of a material having a first hardness, and the upper piston 3 is made of a material having a second hardness, and the first hardness is greater than the second hardness. The material of the piston cover 4 is selected from high-density polyethylene and low-density polyethylene, that is, the material of the piston cover 4 can be high-density polyethylene (HDPE), low-density polyethylene (LDPE) or a combination of the two, and the material of the upper piston 3 is selected from high-density polyethylene (HDPE) and low-density polyethylene (LDPE), that is, the material of the piston cover 4 can be high-density polyethylene (HDPE), low-density polyethylene (LDPE) or a combination of the two. These materials are commercially available or prepared by known methods.

[0063] The discharge pipe 5 has a material channel 51 extending in the up-down direction and passing through its upper end (outer end) and lower end (inner end). Specifically, the center line of the material channel 51 is arc-shaped. The material channel 51 includes an upper end surface 511 and a lower end surface 512. The outer wall of the lower end of the discharge pipe 5 is fixed and sealed to the inner wall of the annular column 31 of the upper piston 3. The lower end surface of the discharge pipe 5 is located above multiple elastic ribs 17 and the valve plate 16.

[0064] The discharge button 6 and the discharge tube 5 are relatively fixedly matched. In one embodiment, the pressing elastic member 7 is specifically a spring. The pressing elastic member 7 is sleeved on the outer wall of the discharge tube 5. One end of the pressing elastic member 7 is abutted against the discharge button 6, and the other end is abutted against and connected with the upper opening portion 11 through a spring seat 111. The spring seat 111 is fixedly set on the upper opening portion 11. In this embodiment, the discharge button 6 is also fixedly connected to the upper opening portion 11 to limit the relative movement of the discharge button 6 when it is pressed.

[0065] The elastic valve 8 is arranged on the spacer 2 and located above the spacer through hole 21. The elastic valve 8 specifically includes a circular spring piece, a connecting rib and an annular outer ring (not shown in the figure). The circular spring piece 16 is connected to the annular outer ring through the connecting rib. The connecting rib and the annular outer ring are hollowed out. The cross section of the spacer through hole 21 is less than or equal to the cross section of the circular spring piece 16. By arranging the elastic valve 8, the through hole 21 of the spacer can be opened and closed. In this embodiment, the material of the elastic valve 8 is resin, and the elastic valve 8 is clamped with the spacer 2.

[0066] A first chamber 13 is formed between the spacer 2, the elastic valve 8, the sliding wall 22, the piston cover 4 and the upper piston 3; a second chamber 14 is formed between the lower piston 9, the lower end opening 12, the spacer 2 and the elastic valve 8; and an enclosed space 15 is formed between the lower piston 9 and the bottom cover 10.

[0067] In one embodiment, the vacuum pump container has an initial state, a pressed state and a reset state, such as Figure 3-4 As shown, when the user does not press the discharge button 6, the vacuum pump container is in the initial state, the first chamber 13 is in a closed state, the valve plate 16 closes the piston cover through hole 41 on the piston cover 4, and there is a first distance between the lower end surface 512 of the discharge pipe 5 and the valve plate 16, and the first distance is about 2.4 mm. Figure 5-6 As shown, when the user presses the discharge button 6 downward, the vacuum pump container is in a pressed state. Due to the relatively fixed cooperation between the discharge button 6 and the discharge pipe 5, the discharge pipe 5 also moves downward accordingly. Due to the cooperation between the pressing elastic member 7 and the discharge button 6, the pressing elastic member 7 is compressed and deformed, and the elastic force is accumulated. The discharge pipe 5 drives the upper piston 3 and the piston cover 4 to slide downward relative to the sliding wall 22, and the second chamber 14 shrinks. The valve plate 16 opens upward relative to the piston cover through hole 41. The paste in the second chamber 14 passes through the piston cover through hole 41 upward from the lower end face 512 into the material channel 51 in the discharge pipe 5, and flows out from the upper end face 511 of the discharge pipe 5. There is a second distance between the lower end face 512 of the discharge pipe 5 and the valve plate 16. According to the different pressing strokes, the second distance is between 0.5 mm and 1.0 mm. The first distance is greater than the second distance. Figure 7 As shown, when the user releases the discharge button 6, the vacuum pump container is in a reset state, the discharge pipe 5 moves upward due to the elastic force of the pressing elastic member 7, and the upper piston 3 slides upward relative to the upper end opening 11 driven by the discharge pipe 5, the second chamber 14 increases, forming a vacuum, the valve plate 16 closes the piston cover through hole 41 on the piston cover 4, the elastic valve 8 moves upward relative to the through hole 21, opens the through hole 21, and the paste in the second chamber 14 enters the first chamber 13 through the through hole 21, and the lower piston 9 slides upward relative to the lower end opening 12, and the enclosed space 15 increases.

[0068] In one embodiment, the material hardness of the piston cover 4 is greater than that of the upper piston 3, so when pressing, the piston cover 4 is not easily deformed in the process of squeezing the paste in the second chamber 14, making the discharge of the paste more stable, and the annular column 31, the upper piston outer wall 32, the valve plate 16 and the elastic rib 17 in the upper piston 3 are integrally arranged, and the material hardness is relatively small, so it is easier for the user to press, and the hand feeling is better. According to the pump pressure structure of the above embodiment, the pressing force required by the user is generally 23 to 28N, which is effectively reduced compared with the pressing force required by the prior art pump pressure structure (usually 32 to 35N).

[0069] The vacuum pump container of the utility model can achieve very little residue even for pastes, and is therefore particularly suitable for containing pastes. However, it is not limited to containing pastes (such as toothpaste), but can be used to contain any fluid substances (common examples include various liquid cosmetics).

[0070] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with the technology to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A vacuum pump container suitable for pastes, characterized in that: include: A container body, the container body comprising an upper opening and a lower opening disposed below the upper opening, a spacer is disposed between the upper opening and the lower opening to separate the two, the spacer has a through hole, and an elastic valve is disposed at the through hole; An upper piston, the upper piston comprising an annular column, an upper piston outer wall arranged outside the annular column, a plurality of elastic ribs and a valve plate located at the bottom of the upper piston, one end of the plurality of elastic ribs being respectively connected to the annular column, the other end of the plurality of elastic ribs being respectively connected to the valve plate, the annular column, the upper piston outer wall, the plurality of elastic ribs and the valve plate being integrally formed, the spacer extending upward to form a sliding wall, the upper piston outer wall being sealed and relatively slidably matched with the sliding wall; A piston cover, wherein the piston cover has a piston cover through hole, the piston cover is clamped with the annular column of the upper piston, the valve plate of the upper piston is located above the piston cover through hole and the center lines of the two coincide; A discharge pipe, the discharge pipe having a material passage extending in the up-down direction and penetrating the upper end and the lower end thereof, the lower outer wall of the discharge pipe being fixedly and sealingly connected to the inner wall of the annular column of the upper piston, and the lower end surface of the discharge pipe being located above the plurality of elastic ribs and the valve plate; A discharge button, the discharge button and the discharge pipe are relatively fixedly matched; A lower piston, the outer wall of which is in sealing and sliding cooperation with the inner wall of the lower end opening; A bottom cover, the bottom cover is fixedly arranged at the lower end of the lower end opening and is used to close the lower end opening; A first chamber is formed between the spacer, the elastic valve, the sliding wall, the piston cover and the upper piston, and a second chamber is formed between the lower piston, the lower end opening, the spacer and the elastic valve; The vacuum pump type container has an initial state and a pressing state. When in the initial state, the first chamber remains in a closed state, the valve sheet closes the piston cover through hole on the piston cover, and a first distance exists between the lower end surface of the discharge pipe and the valve sheet; when in the pressing state, the first chamber remains in an open state, the valve sheet moves upward away from the piston cover through hole, and a second distance exists between the lower end surface of the discharge pipe and the valve sheet, and the first distance is greater than the second distance. The vacuum pump container suitable for paste further comprises a pressing elastic member, and the pressing elastic member is used for causing the upper piston to tend to move upward.

2. The vacuum pump container suitable for pastes according to claim 1, characterized in that: The center line of the material channel of the discharge pipe is arc-shaped.

3. The vacuum pump container suitable for paste according to claim 1, characterized in that: The annular column, the outer wall of the upper piston, the plurality of elastic ribs and the valve plate of the upper piston are made of the same material; and / or the upper piston and the piston cover are made of the same or different materials.

4. The vacuum pump container suitable for paste according to claim 1, characterized in that: The thickness of the annular column of the upper piston and the outer wall of the upper piston is greater than the thickness of the elastic rib and the valve plate, and the thickness of the valve plate is greater than the thickness of the elastic rib; and / or, the piston cover is composed of a material with a first hardness, and the upper piston is composed of a material with a second hardness, and the first hardness is greater than the second hardness.

5. The vacuum pump container suitable for pastes according to any one of claims 1 to 4, characterized in that: The materials of the piston cover and the upper piston are selected from high-density polyethylene and low-density polyethylene respectively.

6. The vacuum pump container suitable for paste according to claim 1, characterized in that: The first distance is 1.5 mm to 5 mm; and / or the second distance is 0.5 mm to 1.0 mm.

7. The vacuum pump container suitable for paste according to claim 1, characterized in that: The valve plate is circular, the multiple elastic ribs are evenly distributed along the circumference of the valve plate, there is a hollow between two adjacent elastic ribs, and the total area of ​​the hollow is greater than the total cross-sectional area of ​​the multiple elastic ribs.

8. The vacuum pump container suitable for pastes according to claim 1, characterized in that: Each of the elastic ribs is composed of an arc-shaped body and an inner connecting end and an outer connecting end respectively located at the inner side and the outer side of the arc-shaped body, and the number of the elastic ribs is 4 to 8.

9. A pumping structure for a container, wherein the container comprises a container body, and the pumping structure is used to transfer the contents sealed in the container body to outside the container body, characterized in that: The pump pressure structure comprises: A pressing piston, the pressing piston comprising an annular column, an outer wall of the pressing piston arranged outside the annular column, a plurality of elastic ribs and a valve sheet located at the bottom of the annular column, one end of the plurality of elastic ribs being respectively connected to the annular column, the other end of the plurality of elastic ribs being respectively connected to the valve sheet, the annular column, the outer wall of the pressing piston, the plurality of elastic ribs and the valve sheet being integrally formed, a sliding wall having an extension direction consistent with that of the outer wall of the pressing piston being provided in the container body, the outer wall of the piston being sealed with the sliding wall and being able to slide relative to the sliding wall; A piston cover, wherein the piston cover has a piston cover through hole, the piston cover is clamped with the annular column of the pressing piston, the valve sheet of the pressing piston is located above the piston cover through hole and the center lines of the two coincide; A discharge pipe, the discharge pipe having a material channel running through the outer end and the inner end thereof, the discharge pipe portion is arranged in the annular column of the pressing piston and the outer wall of the portion is sealed with the inner wall of the annular column of the pressing piston and the two are relatively fixedly matched, the inner end surface of the discharge pipe is located above the plurality of elastic ribs and the valve plate, and the inner end opening of the material channel faces the valve plate; A discharge button, the discharge button and the discharge pipe are relatively fixedly matched; A pressing elastic member, the pressing elastic member is used to make the pressing piston tend to move outward; The annular column, the outer wall of the piston, the multiple elastic ribs and the valve plate of the pressing piston are made of the same material; the material of the pressing piston and the piston cover is the same or different; The pump pressure structure has an initial state and a use state. When in the initial state, the valve plate closes the piston cover through hole on the piston cover, and a first distance exists between the lower end surface of the discharge pipe and the valve plate; when in the pressing state, the valve plate moves upward away from the piston cover through hole, and a second distance exists between the lower end surface of the discharge pipe and the valve plate, and the first distance is greater than the second distance. The pumping structure further comprises a pressing elastic member, and the pressing elastic member is used to make the pressing piston tend to move outward.

10. The pumping structure according to claim 9, characterized in that: The center line of the material channel of the discharge pipe is arc-shaped; and / or the thickness of the annular column of the pressing piston and the outer wall of the pressing piston are greater than the thickness of the elastic ribs and the valve plate, and the thickness of the valve plate is greater than the thickness of the elastic ribs, and / or the piston cover is composed of a material having a first hardness, and the pressing piston is composed of a material having a second hardness, and the first hardness is greater than the second hardness; and / or the materials of the piston cover and the upper piston are selected from high-density polyethylene and low-density polyethylene, respectively; the first distance is 1.5mm~5mm.

11. The pumping structure according to claim 9 or 10, characterized in that: The first distance is 2 mm to 3 mm; and / or the second distance is 0.5 mm to 1.0 mm.

12. A vacuum pump toothpaste, characterized in that: It comprises a vacuum pump container as described in any one of claims 1 to 8 or a pump pressure structure as described in any one of claims 9 to 11, and toothpaste arranged in the container body.

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