A fully plastic powder and honey pump

Abstract

The utility model discloses a kind of powder honey pumps of full plastic, relate to powder honey pump technical field.The utility model includes pump cover, pressure head, chamber, piston pipe and elastic mechanism, and connecting part is equipped in pump cover top axial center, chamber is fixed in pump cover and is communicated with connecting part, piston pipe penetrates connecting part and the sealing is equipped in junction, piston body is equipped between piston pipe bottom end and chamber, pressure head is arranged in piston pipe top end, and upper ball is arranged in piston pipe inner top end.The utility model replaces metal spring by the design of novel airbag body, can realize the powder honey pump of full plastic, completely abandon any metal component, all components can be made of plastic or elastomer material meeting food and drug safety standards, fundamentally eliminate the risk of metal ion precipitation pollution content, all adopt same type plastic material, so that pump head is more easily recycled and reused as a whole, comply with global sustainable development environmental protection trend.

Description

Technical Field

[0001] This utility model belongs to the field of powder pump technology, and in particular relates to a fully plasticized powder pump. Background Technology

[0002] As a core component for dispensing high-end foundations, cushion compacts, blushes, and other products, the performance of the powder pump directly affects the freshness of the contents, the user experience, and the brand image. Existing powder pumps typically use a metal spring as the pressing and rebound mechanism. To prevent contamination, the spring can now be placed outside the liquid path, which is called "external spring" or "top spring," thus isolating the spring from the contents.

[0003] However, the presence of the metal spring prevents the pump head from being entirely plastic. Therefore, strictly speaking, it cannot be called an "all-plastic" pump head, which may pose a challenge in marketing. At the same time, it is not easy to recycle as a whole, and metal separation needs to be avoided, which affects environmental performance.

[0004] At the same time, although the spring is external, the cavity structure it is in is complex, with narrow gaps, dead corners and gaps between spring coils. These areas may have residual paste and microorganisms, and are extremely difficult to clean thoroughly through conventional cleaning processes, becoming potential sources of contamination. In humid environments, metal springs are still at risk of corrosion and rust. Once rust products contaminate the contents, it will cause product quality accidents.

[0005] Therefore, there is an urgent need for a powder pump that is truly all-plastic and metal-free. Summary of the Invention

[0006] The purpose of this invention is to provide a fully plastic powder pump. By replacing the metal spring with a novel air bladder design, a fully plastic powder pump can be achieved, completely eliminating any metal parts. All components can be made of plastic or elastomer materials that meet food and drug safety standards, fundamentally eliminating the risk of metal ions leaching and contaminating the contents. The use of the same type of plastic material makes the pump head easier to recycle and reuse as a whole, which is in line with the global trend of sustainable development and environmental protection.

[0007] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution: This utility model is a fully plasticized powder pump, including a pump cover, a pressure head, a chamber, a piston tube, and an elastic mechanism. The pump cover has a connecting part at the top axis. The chamber is fixed inside the pump cover and communicates with the connecting part. The piston tube passes through the connecting part and the connection is sealed. A piston body is provided between the bottom end of the piston tube and the chamber. The pressure head is located at the top end of the piston tube. An upper ball bearing is provided at the top end of the piston tube, and a lower ball bearing is provided at the bottom end of the chamber. The top of the connecting part is provided with an enlarged diameter part, the outer edge of the top of the enlarged diameter part is provided with a limiting edge, the top edge of the pump cover is provided with an outer sleeve, a deformation cavity is formed between the connecting part and the outer sleeve, and an installation cavity is formed between the enlarged diameter part and the outer sleeve. The pressure head is a cylindrical structure with an open bottom, and a pressure edge is provided at the bottom edge of the pressure head. The pressure edge is slidably disposed in the mounting cavity. The elastic mechanism includes an airbag body, which is a hollow cylindrical structure and is disposed in the mounting cavity and the deformation cavity. The circumferential side and inner wall of the middle part of the airbag body are embedded and fixed with reinforcing rings. The reinforcing rings on the inner and outer sides of the airbag body are located at the bottom of the mounting cavity and are fixed to the outer wall of the enlarged diameter part and the inner wall of the outer sleeve, respectively. The top of the airbag body is a corrugated section, which is movably connected to the mounting cavity. The bottom of the airbag body is a weak section, which is located at the position of the deformation cavity. When the pressure head is pressed down, the corrugated section is in a contracted state, and the weak section is in an expanded state and fills the deformation cavity; When the pressure head is in a free state, the corrugated section is in an extended state, and the weak section is in a free state located directly below the deformation cavity.

[0008] Furthermore, a T-shaped sleeve is provided at the top center of the inner top of the pressure head to cooperate with the top of the piston tube, and a discharge pipe is provided at the top of the pressure head, which is connected to the small diameter section of the T-shaped sleeve.

[0009] Furthermore, the bottom end of the chamber is connected to a necked tube head through a transition section, and a retainer is provided at the bottom end of the chamber. The lower ball is located in the area between the retainer and the transition section, and both the lower ball and the upper ball are plastic ball structures.

[0010] Furthermore, the piston tube has a tapered opening at its top end, and the upper ball is disposed inside the tapered opening. The diameter of the upper ball is larger than the small diameter end of the tapered opening, and the diameter of the upper ball is smaller than the large diameter end of the tapered opening.

[0011] Furthermore, the inner wall of the pressing edge slides along the outer wall of the expanded diameter section, and a micro-slit is formed between the outer surface of the pressing edge and the outer sleeve.

[0012] Furthermore, a transition edge is formed between the expanded diameter portion and the connecting portion to form a platform surface, and a breathing port communicating with the deformation cavity is provided on the area of ​​the transition edge near the connecting portion.

[0013] This utility model has the following beneficial effects: This invention replaces the metal spring with a novel airbag design, enabling a fully plastic powder pump that completely eliminates any metal components. All components can be made of plastic or elastomer materials that meet food and drug safety standards, fundamentally eliminating the risk of metal ion leaching and contaminating the contents. It meets the highest level of compatibility requirements for packaging materials in the cosmetics and pharmaceutical industries, providing absolute assurance for product safety. The use of the same type of plastic material makes the pump head easier to recycle and reuse, aligning with global sustainable development and environmental trends. The elastic mechanism is installed at the pressure head and pump cover, facilitating production and processing. The space at the pressure head and pump cover also provides room for the deformation of the airbag, ensuring its effectiveness.

[0014] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the structure of a fully plasticized powder pump according to the present invention; Figure 2 for Figure 1 A magnified view of a section at point A in the middle; The attached diagram lists the components represented by each number as follows: 1-Pump cover, 2-Pressure head, 3-Cavity, 4-Piston tube, 5-Airbag body, 101-Connecting part, 102-Expanding part, 103-Limiting edge, 104-Outer sleeve, 105-Deformation cavity, 106-Mounting cavity, 107-Breath port, 201-Pressure edge, 202-T-sleeve, 203-Discharge pipe, 301-Lower ball bearing, 302-Transition part, 303-Necked tube head, 304-Cage, 401-Piston body, 402-Upper ball bearing, 403-Conical part, 501-Reinforcing ring, 502-Corrugated section, 503-Weak section. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figure 1-2 As shown, this utility model is a fully plastic powder pump, including a pump cover 1, a pressure head 2, a chamber 3, a piston tube 4 and an elastic mechanism. A connecting part 101 is provided at the top axis of the pump cover 1. The chamber 3 is fixed inside the pump cover 1 and communicates with the connecting part 101. The piston tube 4 passes through the connecting part 101 and the connection is sealed. A piston body 401 is provided between the bottom end of the piston tube 4 and the chamber 3. The pressure head 2 is provided at the top end of the piston tube 4. An upper ball bearing 402 is provided at the top end of the piston tube 4, and a lower ball bearing 301 is provided at the bottom end of the chamber 3. The top of the connecting part 101 is provided with an enlarged diameter part 102, and a limiting edge 103 is provided at the outer edge of the top of the enlarged diameter part 102. The top edge of the pump cover 1 is provided with an outer sleeve 104. A deformation cavity 105 is formed between the connecting part 101 and the outer sleeve 104, and an installation cavity 106 is formed between the enlarged diameter part 102 and the outer sleeve 104. The pressure head 2 is a cylindrical structure with an open bottom. A pressure edge 201 is provided at the bottom edge of the pressure head 2, and the pressure edge 201 is slidably disposed in the mounting cavity 106. The elastic mechanism includes an airbag 5, which is a hollow cylindrical structure. The airbag 5 is disposed in the mounting cavity 106 and the deformation cavity 105. Reinforcing rings 501 are embedded and fixed on the peripheral side and inner wall of the middle part of the airbag body 5. The reinforcing rings 501 on the inner and outer sides of the airbag body 5 are located at the bottom of the mounting cavity 106 and are fixed to the outer wall of the enlarged diameter part 102 and the inner wall of the outer sleeve 104, respectively. The top of the airbag body 5 is a corrugated section 502, which is movably connected to the mounting cavity 106. The bottom of the airbag body 5 is a weak section 503, which is located at the position of the deformation cavity 105. When the pressure head 2 is pressed down, the corrugated section 502 is in a contracted state, and the weak section 503 is in an expanded state and fills the deformation cavity 105; When the pressure head 2 is in a free state, the corrugated section 502 is in an extended state, and the weak section 503 is in a free state located directly below the deformation cavity 105.

[0019] Among them, such as Figure 1 As shown, a T-shaped sleeve 202 is provided at the top center of the inner top of the pressure head 2, which is matched with the top of the piston tube 4. A discharge pipe 203 is provided at the top of the pressure head 2, and the discharge pipe 203 is connected to the small diameter section of the T-shaped sleeve 202.

[0020] Among them, such as Figure 1 As shown, the bottom end of the chamber 3 is connected to the necked tube head 303 through the transition part 302. The bottom end of the chamber 3 is provided with a retainer 304. The lower ball 301 is located in the area between the retainer 304 and the transition part 302. Both the lower ball 301 and the upper ball 402 are plastic ball structures.

[0021] Among them, such as Figure 1As shown, the piston tube 4 has a conical opening 403 at its top end, and an upper ball bearing 402 is disposed inside the conical opening 403. The diameter of the upper ball bearing 402 is larger than the small diameter end of the conical opening 403, and the diameter of the upper ball bearing 402 is smaller than the large diameter end of the conical opening 403.

[0022] Among them, the inner wall of the pressing edge 201 slides along the outer wall of the expanded diameter portion 102, and a micro-slit is formed between the outer surface of the pressing edge 201 and the outer sleeve 104.

[0023] Among them, such as Figure 1-2 As shown, a transition edge is formed between the expanded diameter portion 102 and the connecting portion 101 to form a platform surface. A breathing port 107 communicating with the deformation cavity 105 is provided in the area of ​​the transition edge near the connecting portion 101.

[0024] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0025] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A fully plasticized powder pump, comprising a pump cover (1), a pressure head (2), a chamber (3), and a piston tube (4), wherein a connecting part (101) is provided at the top axial center of the pump cover (1), the chamber (3) is fixed inside the pump cover (1) and communicates with the connecting part (101), the piston tube (4) passes through the connecting part (101) and the connection is sealed, a piston body (401) is provided between the bottom end of the piston tube (4) and the chamber (3), the pressure head (2) is provided at the top end of the piston tube (4), an upper ball bearing (402) is provided at the top end of the piston tube (4), and a lower ball bearing (301) is provided at the bottom end of the chamber (3), characterized in that: It also includes flexible mechanisms; The top end of the connecting part (101) is provided with an enlarged diameter part (102), the outer edge of the top end of the enlarged diameter part (102) is provided with a limiting edge (103), the top edge of the pump cover (1) is provided with an outer sleeve (104), a deformation cavity (105) is formed between the connecting part (101) and the outer sleeve (104), and an installation cavity (106) is formed between the enlarged diameter part (102) and the outer sleeve (104). The pressure head (2) is a cylindrical structure with an open bottom end. The pressure head (2) has a pressure edge (201) at the bottom edge, and the pressure edge (201) is slidably disposed in the mounting cavity (106). The elastic mechanism includes an airbag (5), which is a hollow cylindrical structure. The airbag (5) is disposed in the mounting cavity (106) and the deformation cavity (105). The circumferential side and inner wall of the middle part of the airbag body (5) are embedded and fixed with reinforcing rings (501). The reinforcing rings (501) on the inner and outer sides of the airbag body (5) are located at the bottom of the mounting cavity (106) and are fixed to the outer wall of the enlarged diameter part (102) and the inner wall of the outer sleeve (104) respectively. The top of the airbag body (5) is a corrugated section (502), which is movably connected to the mounting cavity (106). The bottom of the airbag body (5) is a weak section (503), which is located in the deformation cavity (105). When the pressure head (2) is pressed down, the corrugated section (502) is in a contracted state, and the weak section (503) is in an expanded state and fills the deformation cavity (105). When the pressure head (2) is in a free state, the corrugated section (502) is in an extended state, and the weak section (503) is in a free state located directly below the deformation cavity (105).

2. The all-plasticized powder pump according to claim 1, characterized in that, The pressure head (2) is provided with a T-shaped sleeve (202) at the top of the inner shaft that mates with the top of the piston tube (4). The top of the pressure head (2) is provided with a discharge pipe (203), which is connected to the small diameter section of the T-shaped sleeve (202).

3. The all-plasticized powder pump according to claim 1, characterized in that, The bottom end of the chamber (3) is connected to a necked tube head (303) through a transition part (302). A retainer (304) is provided at the bottom end of the chamber (3). The lower ball (301) is located in the area between the retainer (304) and the transition part (302). Both the lower ball (301) and the upper ball (402) are plastic ball structures.

4. The all-plasticized powder pump according to claim 1, characterized in that, The piston tube (4) has a conical opening (403) at its inner top end. The upper ball (402) is disposed inside the conical opening (403). The diameter of the upper ball (402) is larger than the small diameter end of the conical opening (403), and the diameter of the upper ball (402) is smaller than the large diameter end of the conical opening (403).

5. The all-plasticized powder pump according to claim 1, characterized in that, The inner wall of the pressing edge (201) slides along the outer wall of the expanded diameter portion (102), and a micro-slit is formed between the outer surface of the pressing edge (201) and the outer sleeve (104).

6. The all-plasticized powder pump according to claim 1, characterized in that, A transition edge is formed between the enlarged diameter portion (102) and the connecting portion (101) to form a platform surface. A breathing port (107) communicating with the deformation cavity (105) is provided on the area of ​​the transition edge near the connecting portion (101).

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