Chemical reagent integrated cover

Abstract

The present invention relates to a chemical reagent integrated cover. It is suitable for a fully automatic production line. The chemical reagent integrated cover includes an outer cover and an inner plug. One end of the outer cover is provided with an end cap, and the other end is open. The inner wall is provided with an internal thread. The inner wall of the outer cover is close to the end of the end cap and fixedly connected with at least three evenly distributed cards; the inner plug includes a plug body and a brim, and the brim is concentrically fixedly connected to the end of the plug body; the plug body is divided into two sections with different diameters, wherein the plug body of the larger diameter section is connected to the brim; the diameter of the brim matches the inner diameter of the outer cover; the outer cover and the inner plug are independently provided or integrated. Compared with the traditional method of manually removing the inner plug from the bottle mouth, the integrated cover provided by the present invention will not cause violent shaking when opening the bottle, thereby avoiding the reagent liquid in the bottle from splashing onto the eyes or skin, greatly reducing safety hazards, and is also more convenient.

Description

Technical Field

[0001] The present invention relates to the technical field of sealing covers, in particular to a chemical reagent integrated cover. Background Art

[0002] On the manual chemical filling production line, workers manually insert and remove the inner stopper and outer cap. They first place the inner stopper on the mouth of the bottle filled with chemical liquid, pressing it firmly. Another worker on the line then tightens the outer cap. As the bottles, filled with chemical liquid, sway on the conveyor belt, the liquid inside can easily splash out. Numerous workers standing in a row along the conveyor belt manually press the inner stopper and screw the outer cap, and any contact with the splashing liquid can pose a safety hazard. Furthermore, during the opening process, consumers must first manually remove the outer cap and then manually remove the inner stopper from the bottle. Because the inner stopper is tightly attached to the bottle mouth, forcing it out can easily cause the liquid inside the bottle to splash into their eyes or skin. This is especially true since a single bottle of chemical liquid may be used dozens of times, and repeating these steps each time creates a significant safety hazard. Summary of the Invention

[0003] Based on this, it is necessary to provide a new chemical reagent integrated cover to address the problems that traditional bottle caps are troublesome to install and open and have safety hazards.

[0004] The present invention is achieved through the following technical solutions: A chemical reagent integrated cover, comprising:

[0005] An outer cover, one end of which is provided with an end cap, the other end is open, and the inner wall is provided with an internal thread. At least three evenly distributed cards are fixedly connected to the inner wall of the outer cover near the end cap, and the length of the cards extending outward from the inner wall of the outer cover is 0.5 to 1.5 mm;

[0006] An inner plug comprising a plug body and a brim, the brim being concentrically fixedly connected to the end of the plug body; the plug body being divided into two sections of different diameters, the larger diameter section of the plug body being connected to the brim; the diameter of the brim matching the inner diameter of the outer cover, the brim being set to a thickness of 1.5 to 2 mm, and the outer edge of the brim being chamfered with a radius of 1.5 mm on the side away from the plug body;

[0007] The outer cover and the inner plug are independently provided or integrally provided. When they are integrally provided, the inner plug is provided inside the outer cover, and the brim is located between the card and the end cover.

[0008] As a preferred example, the distance between the end cover and the card is the thickness of the brim.

[0009] As a preferred example, the chamfer and the equal-diameter cylindrical surface have the same height on the end surface of the brim.

[0010] As a preferred example, the outer cover is made of PE, and the inner plug is made of LDPE; the outer wall of the outer cover is provided with anti-slip grooves.

[0011] As a preferred example, the card is tilted toward one side of the end cover.

[0012] As a preferred example, the shape of the card is arc or rectangle.

[0013] As a preferred example, the transition surface between the two sections of the plug body is set as an inclined surface.

[0014] As a preferred example, the plug body is a hollow structure with one end open, and the opening of the plug body is arranged close to one end of the brim.

[0015] As a preferred example, the chemical reagent integrated cover further includes an anti-counterfeiting structure.

[0016] As a preferred example, the anti-counterfeiting structure includes:

[0017] a cover shell, which is concentrically fixedly connected to one end of the opening of the outer cover, and the diameter of the cover shell is larger than the diameter of the outer cover;

[0018] At least two anti-counterfeiting blocks are evenly fixedly connected to the cover shell, and the anti-counterfeiting blocks include a connecting block, a ratchet and a breakable connector. The connecting block is connected to the cover shell through the breakable connector, and the ratchet is arranged on the side of the connecting block close to the axis of the outer cover. The forward direction of the ratchet is the tightening direction of the outer cover, and the reverse direction of the ratchet is the opening direction of the outer cover.

[0019] The beneficial effects of the present invention are:

[0020] 1. When installing the chemical reagent integrated cover provided by the present invention, simply align the outer cover with the bottle mouth and tighten it. During the tightening process, the inner plug is slowly pressed into the bottle mouth by the outer cover. During the opening process, simply loosen the outer cover. As the outer cover moves away from the bottle mouth, the inner plug is pulled out of the bottle mouth using a card. Compared to the traditional method of manually removing the inner plug from the bottle mouth, this integrated cover does not cause violent shaking when opening the bottle, thus preventing the reagent liquid in the bottle from splashing into the eyes or skin, greatly reducing safety risks and also providing greater convenience.

[0021] 2. Compared with the traditional split outer cover and inner plug, the integrated chemical reagent cover provided by the present invention can be conveniently installed on a fully automatic production line, so that workers will not come into contact with bottles filled with reagents, ensuring the personal safety of workers and greatly improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the front structure of the chemical reagent integrated cover in the direction of opening;

[0023] Figure 2 for Figure 1 AA cross-sectional diagram;

[0024] Figure 3 for Figure 2 An enlarged schematic diagram of part B;

[0025] Figure 4 Schematic diagram of the three-dimensional structure of the outer cover;

[0026] Figure 5 Schematic diagram of the cross section of the inner plug.

[0027] In the figure: outer cover 1, end cover 11, card 12, inner plug 2, plug body 21, brim 22, transition surface 23, cover shell 3, anti-counterfeiting block 4. DETAILED DESCRIPTION

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] It should be noted that when a component is referred to as being "mounted on" another component, it may be directly on the other component or there may be a central component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a central component. When a component is considered to be "fixed to" another component, it may be directly fixed to the other component or there may be a central component.

[0030] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application 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 this application.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of the present invention are for the purpose of describing specific embodiments only and are not intended to limit the present invention. The term "or / and" as used herein includes any and all combinations of one or more of the associated listed items.

[0032] See also Figures 1 to 5 In this embodiment, a chemical reagent integrated cover is provided, which includes an outer cover 1 and an inner plug 2. An end cap 11 is provided at one end of the outer cover 1, and an opening is provided at the other end. The opening is used to cover the bottle mouth of the bottle, and is screwed and fixed to the bottle mouth through the internal thread provided inside the outer cover 1. Compared with the prior art, the difference is that in this embodiment, four cards 12 for limiting the position of the inner plug 2 are fixedly connected to the end of the inner wall of the outer cover 1 close to the end cap 11. The four cards 12 are evenly distributed in a ring shape around the center of the outer cover 1. The inner plug 2 includes a plug body 21 and a brim 22. The plug body 21 is composed of two sections of plug bodies 21 with different diameters, and the two sections of plug bodies 21 are connected by a transition surface 23. One end of the plug body 21 with a larger diameter is fixedly connected concentrically with the brim 22. The transition surface 23 connecting the two sections of plug bodies 21 is set as an inclined surface (the transition surface 23 is formed into a truncated cone shape when viewed as a whole). This design of being wide at the top and narrow at the bottom and having the transition surface 23 makes it easy for the inner plug 2 to be pressed into the bottle mouth and can ensure the sealing performance.

[0033] The outer cover 1 and the inner plug 2 are independent entities before use, which is convenient for production and easy to use. Figure 2 As shown, the brim 22 will eventually be placed between the card 12 and the end cap 11 on the outer cover 1. Figure 3 As shown, in this embodiment, the spacing between the end cap 11 and the card 12 on the outer cover 1 is exactly the thickness of the brim 22, and they form a tight fit. That is, when the brim 22 is assembled with the outer cover 1, the edge of the brim 22 deforms so that it enters between the card 12 and the end cap 11, and the inner plug 2 and the outer cover 1 form a single unit, forming the integrated cover described in the present invention.

[0034] The chemical reagent integrated cover is assembled into a whole by first clamping the inner plug 2 in the outer cover 1 before use. During use, the front-line worker directly aligns the outer cover 1 with the bottle mouth and tightens it. During the tightening process, the inner plug 2 is slowly pressed into the bottle mouth by the outer cover 1. When the consumer is in the process of opening the bottle, he directly unscrews the outer cover 1. In the process of the outer cover 1 moving away from the bottle mouth, the inner plug 2 is pulled out of the bottle mouth by the card 12. Compared with the traditional method of manually removing the inner plug 2 from the bottle mouth, the integrated cover proposed by the present invention will not cause violent shaking when opening the bottle, thereby avoiding the reagent liquid in the bottle splashing onto the eyes or skin, greatly reducing safety hazards, and is also more convenient. At the same time, the integrated cover designed by the present invention is used for the first time in the country on a fully automatic production line for chemical reagents, which saves a lot of manpower and improves production efficiency, and is worthy of promotion.

[0035] The main design of the integrated cover of the present invention also lies in some dimensions and technical parameters.

[0036] In this embodiment, the optimal thickness of the brim 22 is designed to be 2 mm. When the thickness is designed to be less than 1.5 mm, the brim 22 is too thin and its strength is insufficient. In order to ensure the sealing, the inner plug 2 is usually tightly plugged into the bottle mouth. As a result, when the integrated lid is repeatedly used, the inner plug 2 may sometimes separate from the outer lid 1, thus failing to fully meet the requirements of the integrated lid. When the thickness of the brim 22 is adjusted to 2 mm, its strength is improved, but when the brim 22 enters the outer lid 1, it may break the four cards 12. Figure 5 As shown, a chamfer with a radius of 1.5 mm (at the R corner in the figure) is set on the outer edge of the brim 22 facing the end cap 11. The other end facing away from the end cap 11 is a cylindrical surface with a constant diameter, and the cylindrical surface and the chamfer each occupy half the height of the end face of the brim 22. The shape of the card 12 is set to be an arc with the same curvature as the inner diameter of the outer cap 1, and the length of the card 12 extending from the inner wall of the outer cap 1 to the center of the outer cap 1 is 1 mm. The diameter of the brim 22 matches the inner diameter of the outer cap 1 (i.e., there is a clearance fit between the diameter of the brim 22 and the inner diameter of the outer cap 1). This technical parameter design can effectively lock the brim 22 so that it does not fall off, but will also prevent the card 12 from being broken when the brim 22 is inserted due to excessive length. Combined with the chamfer on the brim 22, the inner plug 2 can be easily and quickly combined with the outer cap 1 as a whole for use. The inner plug 2 and outer cap 1 were tested in combination according to the above dimensions and technical parameters: the inner plug 2 was tested for leak tightness under a vacuum pressure of -30 kPa, which met national testing standards. At the same time, the outer cap 1 was repeatedly opened and closed on the bottle mouth for more than 50 times, and the inner plug 2 did not fall off the outer cap 1.

[0037] In another embodiment, the length of the card 12 remains unchanged, but it is tilted toward the end cap 11 (i.e., the end of the card 12 not connected to the outer cap 1 is positioned closer to the end cap 11). The tilt angle of the card 12 is set to 5°. This way, the chamfered corners and the tilted card 12 interact to make it easier to insert the brim 22 between the card 12 and the end cap 11. At the same time, the tilted card 12 abuts against the brim 22, making it less likely to fall out and the card 12 less likely to break.

[0038] The chemical reagent integrated cover provided by the present invention is suitable for corrosive chemical reagent liquids or pesticides. Since the inner plug 2 is in direct contact with the chemical product, its material is LDPE (low-density polyethylene) with a corrosion resistance grade of 2426k. In order to save materials and improve production efficiency, the inner plug 2 is set as a hollow structure with one end open. The open end of the plug body 21 is set close to the cap brim 22, and the other end is a closed end for inserting into the bottle mouth for sealing. Figure 4 As shown, the outer cap 1 is made of common PE or PP materials. It screws onto the bottle neck, providing toughness and strength. It compresses the inner plug 2 to seal the bottle while also allowing for easy opening and recycling. The outer wall of the outer cap 1 is designed with anti-slip grooves to facilitate rotation. Because the raw materials for the outer cap 1 and the inner plug 2 are fundamentally different, they are produced separately. These two separately produced products are assembled into a single cap on a fully automated visual inspection assembly line, facilitating process design and improving product yield.

[0039] In another embodiment, see Figure 1 and Figure 2 Compared with the above embodiment, the chemical reagent integrated cover is also designed with an anti-counterfeiting structure according to the bottle mouth. The anti-counterfeiting structure includes a cover 3 and four anti-counterfeiting blocks 4. The cover 3 is annular, and the cross section of one side of the ring is Type. The cover shell 3 is concentrically fixed to one end of the opening of the outer cover 1, and its diameter is larger than the diameter of the outer cover 1. Four mounting holes are provided on the cover shell 3, and an anti-counterfeiting block 4 is arranged in each mounting hole. Specifically, the anti-counterfeiting block 4 includes a connecting block, a ratchet and a breakable connector. The connecting block is located in the mounting hole, and a ratchet is provided at one end. The ratchet faces the axis of the outer cover 1, and the forward direction of the ratchet is the tightening direction of the outer cover 1 (the forward direction is the direction in which the ratchet is not under force), and the reverse direction is the opening direction of the outer cover 1 (the reverse direction is the direction in which the ratchet is under force). The other end of the connecting block is connected to the breakable connector. The breakable connector is composed of a slender plastic strip, which will break when subjected to a large external force. The other end of the breakable connector is fixedly connected to the cover shell 3, so that the anti-counterfeiting block 4 remains in the mounting hole.

[0040] The bottle mouth of the chemical reagent integrated cover is equipped with a vertically arranged stopper bar corresponding to the anti-counterfeiting structure. When the outer cover 1 is fully tightened on the bottle mouth, the outer cover 1 presses the inner plug 2 to seal the bottle mouth. At the same time, the ratchet teeth are in constant contact with the stopper bar. Because the direction of movement is in the forward direction, the anti-counterfeiting block 4 does not generate a significant force on the stopper bar until the outer cover 1 is tightened and the cover 3 covers the bottle mouth. When the outer cover 1 is opened on the bottle mouth, the outer cover 1 pulls the inner plug 2 out of the bottle mouth via the card 12. At the same time, because the ratchet teeth and the stopper bar move in the reverse direction of movement, the force applied to the ratchet teeth will tear the fragile connector apart, making it irreversible. At this time, by observing whether the anti-counterfeiting structure is damaged, it is possible to determine whether the bottle has been opened, thereby achieving an anti-counterfeiting effect. This anti-counterfeiting structure innovatively utilizes the fact that the ratchet teeth can only transmit force in one direction. The anti-counterfeiting effect is achieved by simply tightening the integrated cover for the first time, without the need for subsequent processing of the anti-counterfeiting mechanism. This improves production efficiency and reduces labor costs, and has excellent anti-counterfeiting and anti-theft effects.

[0041] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0042] The above-described embodiments merely illustrate several implementations of the present invention, and while their descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the spirit of the present invention, all of which fall within the scope of protection of the present invention. Therefore, the scope of protection of the patent for this invention shall be determined by the appended claims.

Claims

1. A chemical reagent integrated cover, characterized in that: It is suitable for a fully automatic production line. The chemical reagent integrated cover includes: An outer cover (1) having an end cover (11) at one end and an opening at the other end, wherein at least three cards (12) are fixed on the inner wall of the outer cover (1) and are distributed in a ring shape with the central axis of the outer cover (1) as the center, and the plurality of cards (12) are all located at one end close to the end cover (11); An inner plug (2) is installed in the outer cover (1), comprising a plug body (21) and a brim (22) fixedly connected concentrically to the end of the plug body (21); the plug body (21) is divided into two sections with different diameters, wherein the section with the larger diameter on the plug body (21) is connected to the brim (22); a chamfer is provided on the end face of the brim (22) facing the end cover (11), and the other end facing away from the end cover (11) is a cylindrical surface of equal diameter; the distance between the end cover (11) and the card (12) is the thickness of the brim (22); An anti-counterfeiting structure comprises: a cover shell (3) and at least two anti-counterfeiting blocks (4); the cover shell (3) is concentrically fixedly connected to one end of the opening of the outer cover (1), and the diameter of the cover shell (3) is larger than the diameter of the outer cover (1); at least two anti-counterfeiting blocks (4) are evenly fixedly connected to the cover shell (3), and the anti-counterfeiting blocks (4) comprise a connecting block, a ratchet and a breakable connecting piece, and the connecting block is connected to the cover shell (3) via the breakable connecting piece, and the ratchet is arranged on a side of the connecting block close to the axis of the outer cover (1), the forward direction of the ratchet is the tightening direction of the outer cover (1), and the reverse direction of the ratchet is the opening direction of the outer cover (1); When the outer cover (1) and the inner plug (2) are assembled, the chamfer and the card (12) are squeezed to make the brim (22) elastically deformed, and then the brim (22) is limited between the card (12) and the end cover (11), and the inner plug is permanently limited in the outer cover by the equal-diameter cylindrical surface and the card (12); the diameter of the brim (22) is the same as the inner diameter of the outer cover (1), the length of the card (12) extending from the inner wall of the outer cover (1) to the central axis is set to 0.5-1.5 mm, and the radius of the chamfer is set to 1.5 mm, which is used to enable the brim (22) to be introduced between the card (12) and the end cover (11) without falling out; the thickness of the brim (22) is set to 1.5-2 mm, which is used to ensure that the elasticity of the brim (22) is not enough to break the card (12).

2. The chemical reagent integrated cover according to claim 1, characterized in that: The chamfer and the equal-diameter cylindrical surface are at the same height on the end surface of the brim (22).

3. The chemical reagent integrated cover according to claim 1, characterized in that: The outer cover (1) is made of PE material, and the inner plug (2) is made of LDPE material; the outer wall of the outer cover (1) is provided with anti-slip grooves.

4. The chemical reagent integrated cover according to claim 1, characterized in that: The card (12) is arranged tilted toward one side of the end cover (11).

5. The chemical reagent integrated cover according to claim 4, characterized in that: The shape of the card (12) is arc-shaped or rectangular.

6. The chemical reagent integrated cover according to claim 1, characterized in that: The transition surface (23) between the two sections of the plug body (21) is configured as an inclined surface.

7. The chemical reagent integrated cover according to claim 1, characterized in that: The plug body (21) is a hollow structure with an open end, and the opening of the plug body (21) is arranged close to one end of the hat brim (22).

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