Bottle with rotary lifting cover
The three-layer structure design of the screw-top bottle solves the problems of inconvenient operation and insufficient sealing performance of existing packaging bottles, achieving convenient opening and tight sealing, improving the user experience and sealing effect.
Patent Information
- Application Number
- CN202520258283.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-02-18
AI Technical Summary
Existing bottle cap designs are inconvenient to operate, especially for the elderly or people with weaker hands. The complex structure increases the risk and cost of leakage, and the insufficient sealing performance makes leakage easy.
The bottle features a three-layer screw-top design, consisting of an outer cap, an inner screw cap, and a bottle. It is connected by threads for easy opening and tight sealing. The outer cap and inner screw cap have grooves and protrusions, allowing for easy opening and closing with a simple rotation.
It enables convenient bottle cap operation, improves ease of use and sealing performance, avoids leakage and environmental pollution, and maintains the freshness and quality of the contents of the bottle.
Smart Images

Figure CN223949795U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of packing bottle, more specifically, relate to a spin up cover bottle. BACKGROUND
[0002] As a common container, packing bottles are widely used in food, beverage, cosmetics and medicine fields, for storing, protecting and transporting various liquid or cream products. Traditional packing bottles have various designs, but most of them are committed to improving the structural strength, sealing performance and convenience of use of the bottle body.
[0003] However, the packing bottles in the prior art still have some problems in the design of the bottle cap. On the one hand, some packing bottles adopt a simple screw cap design, which is simple in structure but requires a lot of force to open and close, especially for the elderly or people with small hand strength, which is quite inconvenient to operate. On the other hand, some high-end packing bottles adopt press-type, pump-type or other complex cap structures to improve the convenience of use, but these designs often increase the manufacturing cost, and the complex structure also increases the risk of leakage. More importantly, the sealing performance of many existing packing bottles still needs to be improved. Some bottle caps are prone to leakage due to loosening during long-term use or transportation, which not only affects the freshness and quality of the contents, but also may cause environmental pollution and even safety problems.
[0004] Therefore, the utility model provides a spin up cover bottle. Utility model content
[0005] In view of the above problems existing in the prior art, the purpose of the utility model is to provide a spin up cover bottle, which adopts a three-layer design, does not need to use tools, is convenient to rotate open and close, keeps fresh and prevents leakage, improves the convenience of use and reduces waste.
[0006] The purpose of the utility model can be achieved by the following technical solutions:
[0007] A spin up cover bottle, comprising an outer cap, an inner rotating cap and a bottle, the bottle is screwed with the inner rotating cap, and the outer side of the inner rotating cap is screwed with the outer cap.
[0008] The opening of the bottle is provided with a bottle neck, the outer side of the bottle neck is provided with an outer convex rotating thread for screwing with the inner rotating cap, the bottle is screwed with the inner rotating cap through the outer convex rotating thread, the inner side of the inner rotating cap is provided with an inner convex rotating thread for screwing with the bottle, the outer side of the inner rotating cap is provided with an outer concave rotating groove for screwing with the outer cap, the inner rotating cap is screwed with the outer cap through the outer concave rotating groove, the center of the inner rotating cap is provided with an inner annular groove, the groove bottom of the inner annular groove is uniformly provided with through holes at equal intervals, and the center of the inner rotating cap is further provided with a bottle plug boss.
[0009] As a further preferred technical scheme of the utility model, the lower end of the bottle neck of the bottle is provided with an annular body, and the outer periphery of the annular body extends outward and is uniformly provided with rectangular-shaped protrusions at equal intervals.
[0010] As a further preferred technical scheme of the utility model, the outer periphery of the bottle bottom of the bottle body is provided with a round corner, and the connection between the bottle body and the bottle neck of the bottle is provided with a round corner.
[0011] As a further preferred technical scheme of the utility model, the inner wall of the inner rotating cap is provided with an inner peripheral annular groove corresponding to the annular body and the rectangular-shaped protrusions at the lower end of the inner convex rotating thread, a plurality of convex threads are uniformly arranged on the groove wall of the inner peripheral annular groove at equal intervals, and a limiting annular protrusion is arranged on the upper end surface of the inner wall of the inner rotating cap.
[0012] As a further preferred technical scheme of the utility model, the outer wall of the inner rotating cap is provided with an annular protrusion on the upper end surface, and a limiting protrusion is arranged on the outer periphery of the upper end surface of the outer wall of the inner rotating cap.
[0013] As a further preferred technical scheme of the utility model, the inner wall of the outer cap is provided with a key-shaped protrusion corresponding to the outer concave rotating groove of the inner rotating cap on the side surface, and a limiting strip-shaped protrusion is arranged on the upper end surface of the inner wall of the outer cap.
[0014] As a further preferred technical scheme of the utility model, the outer wall of the outer cap is formed with a rotating direction arrow for closing and opening on the upper end surface, and a text mark for closing and opening is formed beside the direction arrow on the upper end surface of the outer wall of the outer cap.
[0015] As a further preferred technical scheme of the utility model, the vertical inclination angle of the outer convex rotating thread of the bottle neck of the bottle is consistent with the vertical inclination angle of the inner convex rotating thread of the inner screw cap, the vertical inclination angle of the outer convex rotating thread of the bottle neck of the bottle is 7.5 to 12.5 degrees, and the vertical inclination angle of the inner convex rotating thread of the inner screw cap is 7.5 to 12.5 degrees.
[0016] As a further preferred technical scheme of the utility model, the vertical inclination angle of the outer convex rotating thread of the bottle neck of the bottle is consistent with the vertical inclination angle of the inner convex rotating thread of the inner screw cap, the vertical inclination angle of the outer convex rotating thread of the bottle neck of the bottle is 7.5 to 12.5 degrees, and the vertical inclination angle of the inner convex rotating thread of the inner screw cap is 7.5 to 12.5 degrees.
[0017] As a further preferred technical scheme of the utility model, the vertical inclination angle of the outer convex rotating thread of the bottle neck of the bottle is 10 degrees.
[0018] The vertical inclination angle of the inner convex rotating thread of the inner screw cap is 10 degrees.
[0019] The pitch of the outer convex rotating thread of the bottle neck of the bottle is 3 mm.
[0020] The pitch of the inner convex rotating thread of the inner screw cap is 3 mm.
[0021] As described above, the utility model provides a screw-up cap bottle which has the following beneficial effects:
[0022] Compared with the prior art, the utility model utilizes the screw-up cap bottle, and due to the adoption of the structure, the three-layer structure design of the outer cap, the inner screw cap and the bottle realizes convenient opening and tight closing of the bottle cap, the user can easily open or close the bottle cap through simple rotating action, without the need of using additional tools or force, and the convenience of use is greatly improved; specifically, when opening, the outer cap is only needed to be rotated counterclockwise, the outer cap is rotated up through the outer convex rotating groove, the stepped through hole of the outer cap is separated from the plug boss of the inner screw cap, and the liquid or milk in the bottle sequentially flows out through the through hole of the inner screw cap and the stepped through hole of the outer cap; when closing, the outer cap is only needed to be rotated clockwise, the outer cap is rotated down through the outer convex rotating groove, the stepped through hole of the outer cap is tightly embedded with the plug boss of the inner screw cap, and the liquid or milk in the bottle cannot flow out through the through hole of the inner screw cap and the stepped through hole of the outer cap, and the tight sealing not only maintains the freshness and quality of the articles in the bottle, but also avoids environmental pollution and waste caused by leakage.
[0023] Additional aspects and advantages of the utility model will be in part apparent and in part pointed out hereinafter. BRIEF DESCRIPTION OF DRAWINGS
[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor under the premise of not paying creative labor.
[0025] Figure 1 A structure sectional view of a screw-up cover bottle applied to the present application;
[0026] Figure 2 An exploded view of a screw-up cover bottle applied to the present application;
[0027] Figure 3 A front view of a bottle of a screw-up cover bottle applied to the present application;
[0028] Figure 4 A top view of a bottle of a screw-up cover bottle applied to the present application;
[0029] Figure 5 A structure schematic view of an inner screw-up cover of a screw-up cover bottle applied to the present application;
[0030] Figure 6 A top view of an inner screw-up cover of a screw-up cover bottle applied to the present application;
[0031] Figure 7 A sectional view of an inner screw-up cover of a screw-up cover bottle applied to the present application;
[0032] Figure 8 A structure schematic view of an outer cover of a screw-up cover bottle applied to the present application;
[0033] Figure 9 A top view of an outer cover of a screw-up cover bottle applied to the present application;
[0034] Figure 10 A sectional view of an outer cover of a screw-up cover bottle applied to the present application;
[0035] Figure 11 A schematic view of an opening state of a screw-up cover bottle applied to the present application.
[0036] Summary of the reference signs and their explanations:
[0037] 100, outer cover; 110, stepped via hole; 120, key-shaped protrusion; 130, limiting strip-shaped protrusion; 140, direction arrow; 150, character mark; 200, inner screw cover; 210, inner convex screw thread; 220, outer concave screw groove; 230, inner annular groove; 240, via hole; 250, plug boss; 260, inner circumferential annular groove; 261, convex thread; 270, limiting annular protrusion; 280, annular protrusion; 290, limiting protrusion; 300, bottle; 310, bottle neck; 320, outer convex screw thread; 330, annular body; 331, rectangular-shaped protrusion. DETAILED DESCRIPTION
[0038] The following specific embodiments illustrate the embodiments of the present application, and those skilled in the art can easily understand other advantages and effects of the present application from the disclosed content of the specification.
[0039] It should be understood that the structures, proportions, sizes, etc. shown in the drawings of the specification are only used to cooperate with the disclosed content of the specification for understanding and reading by those skilled in the art, and are not used to limit the implementation conditions of the present application, and therefore do not have technical substantive significance. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope of the disclosed technical content of the present application. At the same time, the terms such as "upper", "lower", "left", "right", "middle", and "one" used in the specification are only for clear description, and are not used to limit the implementation range of the present application. The change or adjustment of the relative relationship, without substantially changing the technical content, is also considered as the implementation scope of the present application. The specific structure can be explained with reference to the drawings of the patent application.
[0040] The present application provides a screw-up cover bottle, please refer to Figures 1 to 11 The present application provides a screw-up cover bottle, please refer to
[0041] The opening of the bottle 300 is provided with a bottle neck 310, the outer side of the bottle neck 310 is provided with an outer convex rotating thread 320 for screwing with the inner rotating cover 200, the bottle 300 is screwed with the inner rotating cover 200 through the outer convex rotating thread 320, the inner side of the inner rotating cover 200 is provided with an inner convex rotating thread 210 for screwing with the bottle 300, the outer side of the inner rotating cover 200 is provided with an outer concave rotating groove 220 for screwing with the outer cover 100, the inner rotating cover 200 is screwed with the outer cover 100 through the outer concave rotating groove 220, the center of the inner rotating cover 200 is provided with an inner annular groove 230, the groove bottom of the inner annular groove 230 is uniformly and equidistantly provided with through holes 240, in the embodiment, the through holes 240 are provided with three groups, the center of the inner rotating cover 200 is further provided with a bottle plug boss 250, and the center of the outer cover 100 is provided with a stepped through hole 110 corresponding to the bottle plug boss 250.
[0042] It should be noted that: the three-layer structure design of the outer cover 100, the inner rotating cover 200 and the bottle 300 realizes convenient opening and tight sealing of the bottle cap, the user only needs to rotate the outer cover 100 to easily open or close the bottle cap, without using additional tools or force, and the convenience of use is greatly improved; specifically, when opening, the outer cover 100 is only needed to be rotated counterclockwise, the outer cover 100 is rotated upward through the outer concave rotating groove 220, the stepped through hole 110 of the outer cover 100 is separated from the bottle plug boss 250 of the inner rotating cover 200, and the liquid or milk in the bottle 300 flows out through the through hole 240 of the inner rotating cover 200 and the stepped through hole 110 of the outer cover 100 in sequence, as shown in Figure 11 ; when closing, the outer cover 100 is only needed to be rotated clockwise, the outer cover 100 is rotated downward through the outer concave rotating groove 220, the stepped through hole 110 of the outer cover 100 is tightly fitted with the bottle plug boss 250 of the inner rotating cover 200, and the liquid or milk in the bottle 300 cannot flow out through the through hole 240 of the inner rotating cover 200 and the stepped through hole 110 of the outer cover 100, as shown in Figure 1 ; the tight sealing not only maintains the freshness and quality of the contents in the bottle, but also avoids environmental pollution and waste caused by leakage.
[0043] As shown in Figure 3 and Figure 4 , the lower end of the bottle neck 310 of the bottle 300 is provided with an annular body 330, the outer periphery of the annular body 330 extends outward and is uniformly and equidistantly provided with rectangular-shaped protrusions 331, the annular body 330 and the rectangular-shaped protrusions 331 not only enhance the structural strength of the bottle 300, but also provide more stable support for the inner rotating cover 200.
[0044] The outer periphery of the bottom of the bottle body of the bottle 300 is provided with a round corner, and the joint between the bottle body and the bottle neck 310 of the bottle 300 is provided with a round corner; the round corner provided at the joint between the bottle body and the bottle neck 310 of the bottle 300 and the round corner of the outer periphery of the bottom not only improve the overall aesthetic degree of the bottle 300, but also make the bottle 300 more comfortable to hold and more secure to use.
[0045] In combination with Figure 5 , Figure 6 and Figure 7 , the inner wall of the inner screw cap 200 is provided with an inner circumferential annular groove 260 corresponding to the annular body 330 and the rectangular-shaped protrusion 331 at the lower end of the inner convex rotating thread 210, the groove wall of the inner circumferential annular groove 260 is uniformly provided with a plurality of convex threads 261 at equal intervals, and the upper end surface of the inner wall of the inner screw cap 200 is provided with a limiting annular protrusion 270; the design of the inner circumferential annular groove 260 and the convex threads 261 of the inner wall of the inner screw cap 200 further increases the friction between the inner screw cap 200 and the bottle 300, preventing the bottle cap from loosening accidentally during transportation or use.
[0046] The upper end surface of the outer wall of the inner screw cap 200 is provided with an annular protrusion 280, and the outer periphery of the upper end surface of the outer wall of the inner screw cap 200 is provided with a limiting protrusion 290.
[0047] In combination with Figure 8 , Figure 9 and Figure 10 , the side surface of the inner wall of the outer cap 100 is provided with a key-shaped protrusion 120 corresponding to the outer concave rotating groove 220 of the inner screw cap 200, and the upper end surface of the inner wall of the outer cap 100 is provided with a limiting strip-shaped protrusion 130.
[0048] The upper end surface of the outer wall of the outer cap 100 is formed with a rotating direction arrow 140 for closing and opening, and the upper end surface of the outer wall of the outer cap 100 is formed with a text identification 150 for closing and opening beside the direction arrow 140, so that the user is provided with clear opening and closing indications, and the problems of damage to the bottle cap or leakage of the bottle 300 caused by improper operation are avoided.
[0049] The vertical angle of the outer convex rotating thread 320 of the bottle neck 310 of the bottle 300 and the vertical angle of the inner convex rotating thread 210 of the inner rotating cap 200 are consistent, the vertical angle of the outer convex rotating thread 320 of the bottle neck 310 of the bottle 300 ranges from 7.5° to 12.5°, and in the embodiment, the vertical angle of the outer convex rotating thread 320 of the bottle neck 310 of the bottle 300 is 10°, the vertical angle of the inner convex rotating thread 210 of the inner rotating cap 200 ranges from 7.5° to 12.5°, and in the embodiment, the vertical angle of the inner convex rotating thread 210 of the inner rotating cap 200 is 10°.
[0050] The pitch of the outer convex rotating thread 320 of the bottle neck 310 of the bottle 300 and the pitch of the inner convex rotating thread 210 of the inner rotating cap 200 are consistent, the pitch of the outer convex rotating thread 320 of the bottle neck 310 of the bottle 300 ranges from 2.5mm to 3.5mm, and in the embodiment, the pitch of the outer convex rotating thread 320 of the bottle neck 310 of the bottle 300 is 3mm, the pitch of the inner convex rotating thread 210 of the inner rotating cap 200 ranges from 2.5mm to 3.5mm, and in the embodiment, the pitch of the inner convex rotating thread 210 of the inner rotating cap 200 is 3mm.
[0051] It should be noted that the vertical angle and the pitch of the threads on the bottle neck 310 of the bottle 300 and the inner rotating cap 200 are carefully calculated and optimized. The vertical angle is kept within the range of 7.5° to 12.5°, and the pitch is between 2.5mm and 3.5mm. Such design not only ensures the tight fit of the threads, but also reduces the resistance during rotation, making it easy for users to open and close the bottle cap. In particular, in the preferred scheme, the vertical angle and the pitch are set to 10° and 3mm, further improving the convenience and comfort of use.
[0052] The structure of the utility model is reasonable and flexible, and can be applied to packaging of different kinds of liquid or milk. Whether it is food, beverage, cosmetics or other liquid or milk products that need to be sealed and stored, it can be effectively packaged and stored by the utility model.
[0053] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.
Claims
1. A spin-on closure bottle characterized by, The bottle is screwed with the inner screw cap, and the outer side of the inner screw cap is screwed with the outer cap; The bottle neck of the bottle is provided with an outer convex rotating thread for screwing with the inner screw cap, and the inner side of the inner screw cap is provided with an inner convex rotating thread for screwing with the bottle.
2. A flip cap bottle according to claim 1, wherein The outer side of the inner screw cap is provided with an outer concave rotating groove for screwing with the outer cap.
3. A spin-on closure as claimed in claim 1 or 2, characterised in that The center of the inner screw cap is provided with an inner annular groove, and the groove bottom of the inner annular groove is uniformly provided with through holes at equal intervals.
4. A flip cap bottle according to claim 2, wherein The center of the outer cap is provided with a stepped through hole corresponding to the bottle plug boss.
5. A spin-on closure as claimed in claim 1 or 4, wherein The lower end of the bottle neck of the bottle is provided with an annular body, and the outer periphery of the annular body extends outward and is uniformly provided with rectangular-shaped protrusions at equal intervals.
6. A flip cap bottle according to claim 1, wherein The outer periphery of the bottle bottom of the bottle body is provided with a round corner, and the connection between the bottle body and the bottle neck is provided with a round corner.
7. A spin-on closure as claimed in claim 1 or 6, wherein The inner wall of the inner screw cap is provided with an inner circumferential annular groove corresponding to the annular body and the rectangular-shaped protrusions at the lower end of the inner convex rotating thread.
8. A lift-off cap bottle according to claim 1, wherein The outer wall of the inner screw cap is provided with an annular protrusion on the upper end surface.
9. A flip cap bottle according to claim 1, wherein The inner wall of the outer cap is provided with a key-shaped protrusion corresponding to the outer concave rotating groove of the inner screw cap.
10. A flip cap bottle according to claim 8 or 9, wherein The outer wall of the outer cap is provided with a direction arrow of rotating closing and opening on the upper end surface. The vertical inclination angles of the outer convex rotating thread of the bottle neck and the inner convex rotating thread of the inner screw cap are consistent. The vertical inclination angles of the outer convex rotating thread of the bottle neck and the inner convex rotating thread of the inner screw cap are consistent. The vertical inclination angles of the outer convex rotating thread of the bottle neck and the inner convex rotating thread of the inner screw cap are consistent. The vertical inclination angles of the outer convex rotating thread of the bottle neck and the inner convex rotating thread of the inner screw cap are consistent. The vertical inclination angles of the outer convex rotating thread of the bottle neck and the inner convex rotating thread of the inner screw cap are consistent. 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