Bottle with pressing and screwing breathable cap

Abstract

The utility model belongs to the technical field of packaging bottles, and discloses a bottle with a pressing and screwing ventilation cover, which comprises a bottle, a ventilation gasket, an inner screwing cover and a pressing and screwing outer cover, the bottle is in threaded connection with the inner screwing cover, the ventilation gasket is arranged between the bottle and the inner screwing cover, and the pressing and screwing outer cover is sleeved outside the inner screwing cover; the bottle comprises a bottle body, the upper end of the bottle body is provided with a bottleneck, and the outer side surface of the bottleneck is provided with a convex rotating thread in threaded connection with the inner screw cap; the breathable gasket is arranged at the upper end of a bottle neck of the bottle and comprises a gasket body, the gasket body is a circular ring body, a hole in the center of the gasket body is a breathable hole, and a breathable film is arranged at the breathable hole in the side, away from the bottle, of the gasket body. The side face of the inner wall of the inner screw cap is provided with an inner concave rotating thread used for being in threaded connection with the outer convex rotating thread, the upper end face of the outer wall of the inner screw cap is provided with a first sinking groove, and a plurality of wedge-shaped protrusions are evenly arranged in the first sinking groove at equal intervals. Through the waterproof and breathable effects of the breathable gasket, dryness and safety of articles in the bottle are guaranteed, and gas exchange is promoted.

Description

Technical Field

[0001] This utility model belongs to the field of packaging bottle technology, and more specifically, it relates to a pressure-screw breathable cap bottle. Background Technology

[0002] Packaging bottles, as indispensable containers in daily life and industrial production, are designed and function in a variety of ways to meet the storage, protection, and transportation needs of different items. With continuous advancements in packaging technology, the materials, structure, and sealing properties of packaging bottles have been significantly improved. Among them, breathable cap bottles, as a special type of packaging bottle, are widely used in fields such as food, cosmetics, and pharmaceuticals where a certain degree of ventilation is required for the contents.

[0003] The main feature of a breathable cap bottle is its cap design, which allows for a certain degree of gas exchange between the inside and outside of the bottle while maintaining its airtightness and preventing liquid leakage. This design satisfies the oxygen requirements of the contents while preventing external moisture and contaminants from entering, thus ensuring the quality and safety of the contents.

[0004] While existing breathable cap bottles meet market demand to some extent, they still have some shortcomings. Specifically, the main problems with existing breathable cap bottles include: 1. The balance between breathability and sealing: Ensuring both breathability and a tight seal to prevent liquid leakage is a challenge in the design of existing breathable cap bottles. Some breathable cap bottles have poorly designed breathability structures, resulting in poor breathability or insufficient sealing, affecting the quality and safety of the contents. 2. Ease of opening: Traditional breathable cap bottles often have cumbersome opening methods, requiring multiple steps for the user to open the cap. This not only reduces the user experience but may also cause inconvenience or safety hazards during use.

[0005] Therefore, this utility model provides a pressure-screw breathable cap bottle. Utility Model Content

[0006] In view of the above-mentioned problems of the existing technology, the purpose of this utility model is to provide a pressure-screw breathable cap bottle that can ensure the dryness and safety of the contents and promote gas exchange.

[0007] The objective of this utility model can be achieved through the following technical solutions:

[0008] A pressure-screw breathable cap bottle includes a bottle, a breathable gasket, an inner screw cap, and a pressure-screw outer cap. The bottle is screwed to the inner screw cap, a breathable gasket is provided between the bottle and the inner screw cap, and the pressure-screw outer cap is fitted over the inner screw cap.

[0009] The bottle includes a bottle body, the upper end of which is provided with a bottleneck, and the outer side of the bottleneck is provided with an outwardly protruding rotating thread for screwing with the inner screw cap. The bottle body is screwed with the inner screw cap through the outwardly protruding rotating thread.

[0010] The breathable pad is placed at the upper end of the neck of the bottle. The breathable pad includes a pad body, which is a ring. The hole at the center of the pad body is a breathable hole. A breathable membrane is provided at the breathable hole on the side of the pad body away from the bottle.

[0011] The inner wall of the inner screw cap is provided with a concave rotating thread for screwing into the convex rotating thread. The inner screw cap is screwed into the bottle through the concave rotating thread. The upper end face of the outer wall of the inner screw cap is provided with a first recessed groove, and a number of wedge-shaped protrusions are evenly arranged at equal intervals in the first recessed groove.

[0012] The upper surface of the inner wall of the press-wound outer cover is provided with several V-shaped protrusions at equal intervals.

[0013] As a further preferred technical solution of this utility model, the gasket body is an integral piece made of PE polyethylene material;

[0014] The bottle is a one-piece component made of PE polyethylene material.

[0015] As a further preferred technical solution of this utility model, the bottle body is provided with an annular body below the outwardly protruding rotating thread of the bottleneck, and the outer periphery of the annular body is provided with serrated protrusions extending outward.

[0016] The bottle body has rounded corners on the outer periphery of the bottom, and the bottle body has rounded corners at the connection between the bottle body and the bottle neck;

[0017] The bottom of the bottle body has a basin-shaped groove.

[0018] As a further preferred technical solution of this utility model, an arc-shaped groove is provided at the center of the upper end face of the outer wall of the inner screw cap, a number of strip-shaped protrusions are evenly arranged at equal intervals on the upper side of the outer wall of the inner screw cap, and an annular protrusion is provided at the lower end of the outer wall of the inner screw cap.

[0019] The inner wall of the inner screw cap has a second recessed groove at the center of the upper end face of the inner wall, and the inner wall of the inner screw cap has a number of toothed ridges evenly spaced along the inner ring of the annular protrusion.

[0020] As a further preferred technical solution of this utility model, a pressure protrusion corresponding to the arc-shaped groove of the inner screw cover is provided at the center of the upper end face of the inner wall of the outer screw cover, and an annular groove corresponding to the annular protrusion of the inner screw cover is provided on the side of the inner wall of the outer screw cover.

[0021] The outer wall of the press-wound outer cover has several strip-shaped raised lines evenly spaced on its side.

[0022] The upper surface of the outer wall of the press-to-open cover is formed with an image marking indicating how to press and open it.

[0023] As a further preferred technical solution of this utility model, the inner screw cap is an integral piece made of PP polypropylene material;

[0024] The press-screw outer cover is a one-piece component made of PP polypropylene material.

[0025] As a further preferred technical solution of this utility model, the vertical inclination angles of the outward convex rotating thread of the bottle neck and the inward concave rotating thread of the inner screw cap are the same. The vertical inclination angle of the outward convex rotating thread of the bottle neck ranges from 7.5° to 12.5°, and the vertical inclination angle of the inward concave rotating thread of the inner screw cap ranges from 7.5° to 12.5°.

[0026] As a further preferred technical solution of this utility model, the pitch of the convex rotating thread of the bottle neck and the pitch of the concave rotating thread of the inner screw cap are the same. The pitch of the convex rotating thread of the bottle neck is in the range of 2.5mm to 3.5mm, and the pitch of the concave rotating thread of the inner screw cap is in the range of 2.5mm to 3.5mm.

[0027] As a further preferred technical solution of this utility model, the vertical inclination angle of the outward convex rotating thread of the bottle neck is 10°;

[0028] The vertical inclination angle of the concave rotating thread of the inner screw cap is 10°;

[0029] The pitch of the outward-convex rotary thread on the neck of the bottle body is 3mm;

[0030] The pitch of the concave rotating thread of the inner screw cap is 3mm.

[0031] As described above, the pressure-screw breathable cap bottle provided by this utility model has the following beneficial effects:

[0032] 1. This utility model utilizes a pressure-screw cap bottle as described above. Compared with the prior art, due to the structure adopted, a breathable gasket is provided between the bottle neck and the inner screw cap. The breathable gasket has waterproof performance. The gasket body is a circular ring with a vent hole in the center and a breathable membrane on the side away from the bottle. This design not only ensures gas exchange between the inside and outside of the bottle, but more importantly, the breathable membrane can effectively block the penetration of external moisture, ensuring the dryness and safety of the contents. The breathable gasket plays a role in ventilation, and the combination of the vent hole and the breathable membrane allows the gas inside the bottle to flow smoothly, avoiding pressure problems caused by gas accumulation. At the same time, it provides the necessary oxidation environment for the contents (such as cosmetics, medicines, etc.), helping to maintain their quality and stability.

[0033] 2. This utility model utilizes the aforementioned pressure-screw breathable cap bottle. Compared with the prior art, due to this structure, the tight fit between the pressure-screw outer cap, the inner cap, and the bottle allows the user to easily open the bottle cap by pressing down and rotating the pressure-screw outer cap. The V-shaped protrusion on the inner wall of the pressure-screw outer cap engages with the wedge-shaped protrusion in the first recess of the inner cap, ensuring the stability of rotation. At the same time, the graphic markings on the outer wall of the pressure-screw outer cap provide clear opening guidance for the user, making the operation more intuitive and convenient.

[0034] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0035] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art 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.

[0036] Figure 1 This is a structural cross-sectional view of a pressure-screw breathable cap bottle according to this utility model application;

[0037] Figure 2 An exploded view of a pressure-swiveled breathable cap bottle according to this utility model application;

[0038] Figure 3 A side view of a bottle with a press-on breathable cap according to this utility model application;

[0039] Figure 4 A cross-sectional view of a bottle with a press-on breathable cap according to this utility model application;

[0040] Figure 5 A top view of a bottle with a press-on breathable cap according to this utility model application;

[0041] Figure 6 A schematic diagram of the structure of a breathable gasket for a pressure-screw breathable cap bottle according to this utility model application;

[0042] Figure 7 A bottom view of a venting pad for a pressure-screw venting cap bottle according to this utility model application;

[0043] Figure 8 This is a top view of a venting pad for a pressure-screw venting cap bottle according to this utility model application;

[0044] Figure 9 This is a cross-sectional view of a venting gasket for a pressure-screw venting cap bottle according to this utility model application;

[0045] Figure 10 This is a schematic diagram of the inner screw cap structure of a pressure-screw breathable cap bottle according to this utility model application;

[0046] Figure 11 A cross-sectional view of the inner screw cap of a pressure-screw breathable cap bottle according to this utility model application;

[0047] Figure 12 A bottom view of the inner screw cap of a pressure-screw breathable cap bottle according to this utility model application;

[0048] Figure 13 This is a schematic diagram of the structure of the screw-on outer cap of a screw-on breathable cap bottle according to this utility model application;

[0049] Figure 14 This is a cross-sectional view of the outer cap of a pressure-screw breathable cap bottle according to this utility model application;

[0050] Figure 15 This is a bottom view of the screw-on outer cap of a screw-on breathable cap bottle, which is a product of this utility model application.

[0051] Summary of figure labels and their descriptions:

[0052] 100. Bottle; 110. Bottle body; 120. Bottle neck; 130. Outwardly protruding rotating thread; 140. Ring-shaped body; 150. Serrated protrusion; 160. Basin-shaped groove; 200. Ventilation gasket; 210. Gasket body; 211. Vent hole; 220. Ventilation membrane; 300. Inwardly screw-on cap; 310. Inwardly concave rotating thread; 320. First recessed groove; 330. Wedge-shaped protrusion; 340. Arc-shaped groove; 350. Strip-shaped protrusion; 360. Ring-shaped protrusion; 370. Second recessed groove; 380. Toothed ridge; 400. Press-on outer cap; 410. V-shaped protrusion; 420. Press-on ridge; 430. Ring-shaped groove; 440. Strip-shaped ridge; 450. Image logo. Detailed Implementation

[0053] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification.

[0054] It should be noted that the structures, proportions, and sizes depicted in the accompanying drawings are merely for illustrative purposes and to aid those skilled in the art. They are not intended to limit the scope of this invention and therefore have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, provided they do not affect the effectiveness or purpose of this invention, should still fall within the scope of the technical content disclosed herein. Furthermore, the terms "upper," "lower," "left," "right," "middle," and "one" used in this specification are merely for clarity and not intended to limit the scope of this invention. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of this invention. Specific structures can be described with reference to the accompanying drawings of the patent application.

[0055] This utility model provides a pressure-screw breathable cap bottle, please refer to [link / reference]. Figures 1 to 15 As shown, it includes a bottle 100, a breathable gasket 200, an inner screw cap 300, and a press-on outer cap 400. The bottle 100 is screwed to the inner screw cap 300. A breathable gasket 200 is provided between the bottle 100 and the inner screw cap 300. The press-on outer cap 400 is sleeved on the inner screw cap 300.

[0056] The bottle 100 includes a bottle body 110, the upper end of which is provided with a bottleneck. The outer side of the bottleneck is provided with an externally protruding rotating thread 130 for screwing with the inner screw cap 300. The bottle body 110 is screwed with the inner screw cap 300 through the externally protruding rotating thread 130.

[0057] Combination Figure 6 , Figure 7 , Figure 8 as well as Figure 9 As shown, the breathable pad 200 is placed at the upper end of the neck of the bottle 100. The breathable pad 200 includes a pad body 210, which is a ring. The hole at the center of the pad body 210 is a breathable hole 211. A breathable membrane 220 is provided at the breathable hole 211 on the side of the pad body 210 away from the bottle 100.

[0058] The inner wall of the inner screw cap 300 is provided with a concave rotary thread 310 for screwing with the convex rotary thread 130. The inner screw cap 300 is screwed to the bottle 100 through the concave rotary thread 310. The upper end face of the outer wall of the inner screw cap 300 is provided with a first recessed groove 320. A plurality of wedge-shaped protrusions 330 are evenly arranged in the first recessed groove 320. In this embodiment, there are 8 sets of wedge-shaped protrusions 330.

[0059] The upper surface of the inner wall of the press-wound outer cover 400 is provided with a number of V-shaped protrusions 410 at equal intervals. In this embodiment, there are 8 sets of V-shaped protrusions 410.

[0060] It should be noted that the pressure-screw breathable cap bottle of this utility model cleverly incorporates a breathable gasket 200 between the bottle 100 and the inner screw cap 300. This design not only ensures the sealing of the bottle 100 and prevents liquid leakage, but also allows for free exchange of gases inside and outside the bottle through the breathable membrane 220 on the breathable gasket 200. This ensures the safe storage of the liquid inside the bottle and meets the breathability requirements of specific products, such as certain foods or cosmetics that need to maintain freshness. Furthermore, the cooperative design of the pressure-screw outer cap 400 and the inner screw cap 300 allows users to easily open the bottle cap by pressing down and rotating the pressure-screw outer cap 400. The V-shaped protrusion 410 on the inner wall of the pressure-screw outer cap 400 engages with the wedge-shaped protrusion 330 in the first recess 320 of the inner screw cap 300, ensuring the stability of the rotation.

[0061] Combination Figure 3 , Figure 4 as well as Figure 5 As shown, the bottle body 110 has an annular body 140 below the outwardly protruding rotating thread 130 of the bottleneck, and the annular body 140 has serrated protrusions 150 extending outward from its outer periphery.

[0062] The bottle body 110 has rounded corners on the outer periphery of its bottom, and the connection between the bottle body and the bottle neck of the bottle body 110 has rounded corners.

[0063] The bottom end of the bottle body 110 is provided with a basin-shaped groove 160.

[0064] Combined Figure 10 , Figure 11 as well as Figure 12 As shown, an arc-shaped groove 340 is provided at the center of the upper end face of the outer wall of the inner screw cap 300, and several strip-shaped protrusions 350 are evenly arranged at equal intervals on the upper side of the outer wall of the inner screw cap 300. An annular protrusion 360 is provided at the lower end of the outer wall of the inner screw cap 300.

[0065] The inner wall of the inner screw cap 300 has a second recessed groove 370 at the center of the upper end face of the inner wall, and the inner wall of the inner screw cap 300 has a plurality of toothed ridges 380 evenly spaced along the inner ring of the annular protrusion 360.

[0066] Combination Figure 13 , Figure 14 as well as Figure 15 As shown, a pressure protrusion 420 corresponding to the arc-shaped groove 340 of the inner screw cover 300 is provided at the center of the upper end face of the inner wall of the outer screw cover 400, and an annular groove 430 corresponding to the annular protrusion 360 of the inner screw cover 300 is provided on the side of the inner wall of the outer screw cover 400.

[0067] The outer wall of the press-wound outer cover 400 is provided with a number of strip-shaped raised lines 440 at equal intervals on the side surface.

[0068] The upper surface of the outer wall of the press-to-open outer cover 400 is formed with an image mark 450 indicating how to press and open it. The image mark 450 provides clear opening guidance for users, making the operation more intuitive and convenient.

[0069] It should be noted that the annular body 140 and its serrated protrusions 150 below the neck of the bottle 110, as well as the rounded corners of the bottle bottom, all reflect consideration for user convenience. These designs make it easier and more comfortable for users to hold, rotate, or tilt the bottle 100.

[0070] The vertical inclination angles of the outwardly protruding rotating thread 130 of the bottleneck of the bottle body 110 and the inwardly concave rotating thread 310 of the inner screw cap 300 are the same. The vertical inclination angle of the outwardly protruding rotating thread 130 of the bottleneck of the bottle body 110 ranges from 7.5° to 12.5°. In this embodiment, the vertical inclination angle of the outwardly protruding rotating thread 130 of the bottleneck of the bottle body 110 is 10°. The vertical inclination angle of the inwardly concave rotating thread 310 of the inner screw cap 300 ranges from 7.5° to 12.5°. In this embodiment, the vertical inclination angle of the inwardly concave rotating thread 310 of the inner screw cap 300 is 10°.

[0071] The pitch of the outwardly convex rotating thread 130 on the neck of the bottle body 110 and the inwardly concave rotating thread 310 on the inner screw cap 300 are the same. The pitch of the outwardly convex rotating thread 130 on the neck of the bottle body 110 ranges from 2.5mm to 3.5mm. In this embodiment, the pitch of the outwardly convex rotating thread 130 on the neck of the bottle body 110 is 3.0mm. The pitch of the inwardly concave rotating thread 310 on the inner screw cap 300 ranges from 2.5mm to 3.5mm. In the embodiment, the pitch of the concave rotating thread 310 of the inner screw cap 300 is 3.0 mm. The vertical angle and pitch of the convex rotating thread 130 of the bottle neck and the concave rotating thread 310 of the inner screw cap 300 are carefully designed to ensure the tightness and durability of the inner screw cap 300. The consistency of the vertical angle and pitch allows the cap to be evenly stressed during rotation, avoiding damage caused by uneven stress. It also allows the cap to maintain good sealing performance after long-term use.

[0072] The gasket body 210 is a one-piece component made of PE polyethylene material;

[0073] The bottle 100 is a one-piece component made of PE polyethylene material.

[0074] The inner screw cap 300 is a one-piece component made of PP polypropylene material;

[0075] The press-wound outer cover 400 is a one-piece component made of PP polypropylene material.

[0076] It should be noted that the main components, such as the breathable gasket 200, bottle 100, inner screw cap 300, and outer screw cap 400, are all made of safe and non-toxic materials such as PE polyethylene or PP polypropylene. These materials not only have good chemical stability but can also withstand certain temperature changes, ensuring the safe storage of the contents. In addition, the bottle 100, inner screw cap 300, and outer screw cap 400 are all designed as a single piece, which not only improves the overall strength and stability of the product but also makes the product's appearance simpler and more aesthetically pleasing.

[0077] The opening method of the pressure-screw breathable cap bottle of this utility model is operated according to the image mark 450 on the upper end surface of the outer wall of the pressure-screw outer cap 400. Specifically, first, the pressure-screw outer cap 400 is pressed down so that its V-shaped protrusion 410 engages with the wedge-shaped protrusion 330 of the inner cap 300. The inner cap 300 can be rotated by rotating the pressure-screw outer cap 400. Then, the pressure-screw outer cap 400 is rotated to drive the inner cap 300's concave rotating thread 310 to rotate along the convex rotating thread 130 until the inner cap 300 is separated from the bottle 100.

[0078] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A pressure-screw breathable cap bottle, characterized in that, The device includes a bottle, a breathable gasket, an inner screw cap, and a press-on outer cap. The bottle is screwed to the inner screw cap, and a breathable gasket is provided between the bottle and the inner screw cap. The press-on outer cap is fitted over the inner screw cap. The bottle includes a bottle body, the upper end of which is provided with a bottleneck, and the outer side of the bottleneck is provided with an outwardly protruding rotating thread for screwing with the inner screw cap. The bottle body is screwed with the inner screw cap through the outwardly protruding rotating thread. The breathable pad is placed at the upper end of the neck of the bottle. The breathable pad includes a pad body, which is a ring. The hole at the center of the pad body is a breathable hole. A breathable membrane is provided at the breathable hole on the side of the pad body away from the bottle. The inner wall of the inner screw cap is provided with a concave rotating thread for screwing into the convex rotating thread. The inner screw cap is screwed into the bottle through the concave rotating thread. The upper end face of the outer wall of the inner screw cap is provided with a first recessed groove, and a number of wedge-shaped protrusions are evenly arranged at equal intervals in the first recessed groove. The upper surface of the inner wall of the press-wound outer cover is provided with several V-shaped protrusions at equal intervals.

2. The pressure-screw breathable cap bottle according to claim 1, characterized in that, The gasket body is a one-piece component made of PE polyethylene material; The bottle is a one-piece component made of PE polyethylene material.

3. The pressure-screw breathable cap bottle according to claim 1, characterized in that, The bottle body has an annular body below the outwardly protruding rotating thread of the bottleneck, and the outer periphery of the annular body has serrated protrusions extending outward. The bottle body has rounded corners on the outer periphery of the bottom, and the bottle body has rounded corners at the connection between the bottle body and the bottle neck; The bottom of the bottle body has a basin-shaped groove.

4. A pressure-screw breathable cap bottle according to claim 1, characterized in that, An arc-shaped groove is provided at the center of the upper end face of the outer wall of the inner screw cap, and several strip-shaped protrusions are evenly spaced on the upper side of the outer wall of the inner screw cap. An annular protrusion is provided at the lower end of the outer wall of the inner screw cap. The inner wall of the inner screw cap has a second recessed groove at the center of the upper end face of the inner wall, and the inner wall of the inner screw cap has a number of toothed ridges evenly spaced along the inner ring of the annular protrusion.

5. A pressure-screw breathable cap bottle according to claim 4, characterized in that, The center of the upper end face of the inner wall of the outer cover is provided with a protrusion corresponding to the arc-shaped groove of the inner cover, and the side of the inner wall of the outer cover is provided with an annular groove corresponding to the annular protrusion of the inner cover. The outer wall of the press-wound outer cover has several strip-shaped raised lines evenly spaced on its side. The upper surface of the outer wall of the press-to-open cover is formed with an image marking indicating how to press and open it.

6. A pressure-screw breathable cap bottle according to claim 5, characterized in that, The inner screw cap is a one-piece component made of PP polypropylene material; The press-screw outer cover is a one-piece component made of PP polypropylene material.

7. A pressure-screw breathable cap bottle according to claim 1, characterized in that, The vertical inclination angles of the outward convex rotating thread of the bottle neck and the inward concave rotating thread of the inner screw cap are the same. The vertical inclination angle of the outward convex rotating thread of the bottle neck ranges from 7.5° to 12.5°, and the vertical inclination angle of the inward concave rotating thread of the inner screw cap ranges from 7.5° to 12.5°.

8. A pressure-screw breathable cap bottle according to claim 1, characterized in that, The pitch of the outward convex rotating thread of the bottle neck and the pitch of the inward concave rotating thread of the inner screw cap are the same. The pitch of the outward convex rotating thread of the bottle neck ranges from 2.5mm to 3.5mm, and the pitch of the inward concave rotating thread of the inner screw cap ranges from 2.5mm to 3.5mm.

9. A pressure-screw breathable cap bottle according to claim 7 or 8, characterized in that, The vertical inclination angle of the outwardly protruding rotating thread on the bottleneck of the bottle body is 10°; The vertical inclination angle of the concave rotating thread of the inner screw cap is 10°; The pitch of the outward-convex rotary thread on the neck of the bottle body is 3mm; The pitch of the concave rotating thread of the inner screw cap is 3mm.

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