Plastic container structure with multi-sealing protection bottle cap structure

Abstract

The utility model discloses a plastic container structure with a multi-sealing protection bottle cap structure, and relates to the technical field of bottle cap sealing. Comprising a plastic container body, a second cover cap on the outer side of a first cover cap is pressed downwards, and then lower tooth blocks fixedly connected with the lower end face of the inner wall of the second cover cap are attached to upper tooth blocks evenly distributed on the edge of the upper end face of the first cover cap. Then the second cover cap is rotated anticlockwise to extrude the side walls of the lower tooth block and the upper tooth block, mutual rotating opening and closing of the inner first cover cap and the cover opening are achieved, so that a double-locking mechanism is formed, even if threaded connection is loosened under some conditions, the tooth blocks are tightly attached to provide additional safety guarantee, and the safety performance of the device is improved. It is ensured that the container cannot be accidentally opened in the transportation or storage process, accidental opening and closing of the bottle cap caused by direct contact with the first cap are avoided, and the sealing performance is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bottle cap sealing, in particular to a plastic container structure with a multi-sealing protection bottle cap structure. Background Art

[0002] With the continuous development of modern packaging technology, plastic containers are widely used in food, medicine, cosmetics, chemicals and other fields due to their lightness, durability and easy processing. In these applications, the sealing performance of the container is particularly important, which is directly related to the maintenance of product quality and consumer safety.

[0003] The reference patent (CN202122561047.3) discloses a plastic container with a sealing cover, including a container body, an intermediate docking cover is provided at the upper end of the container body, an auxiliary rod is provided on the outer wall of the intermediate docking cover, an auxiliary lifting rope is provided on the outer wall of the auxiliary rod, an auxiliary docking tube is provided on the inner wall of the intermediate docking cover, a double-layer top cover is provided on the upper outer surface of the intermediate docking cover, an embedded convex cover is provided on the inner wall of the double-layer top cover, a docking bottom tube is provided at the lower end of the container body, and an auxiliary chassis is provided on the upper outer surface of the container body. The utility model discloses a plastic container with a sealing cover, wherein the auxiliary docking tube and the embedded convex cover are provided to improve the sealing effect of the top cover, the heat-insulating inner tube and the auxiliary base are provided to prevent the user from scalding his hands, the auxiliary lifting rope facilitates the lifting of the container, and the docking outer tube facilitates the splicing of the container, which brings a good prospect of use.

[0004] Traditional plastic containers usually use a threaded connection to lock the bottle cap. However, a single locking and sealing method has certain limitations in practical applications. Although the threaded connection is simple and reliable, it is prone to loosening after long-term use or when subjected to external force impact, resulting in a decrease in the sealing performance of the container. In addition, for liquid or gas containers that require a high degree of sealing, a single threaded sealing connection is often difficult to meet the sealing requirements and there is a risk of leakage. For this reason, the utility model provides a plastic container structure with a multiple sealing protection bottle cap structure. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a plastic container structure with a multiple sealing protection bottle cap structure, which solves the problem that although the threaded connection is simple and reliable, it is prone to loosening after long-term use or when subjected to external force impact, resulting in a decrease in the sealing performance of the container. In addition, for liquid or gas containers that require a high degree of sealing, a single threaded sealing connection is often difficult to meet the sealing requirements and there is a risk of leakage.

[0006] To achieve the above purpose, the utility model is implemented by the following technical scheme: a plastic container structure with a multiple sealing protection bottle cap structure, comprising a plastic container body, the upper end of the plastic container body is provided with a cover, the outer surface of the cover is threadedly connected with a first cap, and the first cap is provided with a multiple sealing mechanism for sealing and protecting the bottle cap, and the multiple sealing mechanism includes:

[0007] The anti-drop structure comprises a second cap arranged outside the first cap, the inner wall of the second cap is fixedly connected with a lower tooth block, the upper end surface edge of the first cap is evenly distributed with upper tooth blocks, and the second cap is rotatably connected to the outer wall of the first cap through a movable component;

[0008] The sealing assembly includes a first sealing groove formed on the lower end surface of the interior of the first cap, an extrusion ring fixedly connected to the inner side of the first sealing groove and located on the lower end surface of the interior of the first cap, a second sealing groove formed on the outer side wall of the extrusion ring, a first rubber plug fixedly connected to the top end of the cover opening, and a second rubber plug arranged on the inner side of the cover opening.

[0009] Preferably, the first rubber plug and the first sealing groove are pressed and matched with each other, and the second sealing groove and the second rubber plug are pressed and matched with each other.

[0010] Preferably, the movable component includes a movable groove opened on the outer side wall of the first cap, a sponge ring is provided at the bottom of the movable groove, the upper end surface of the sponge ring is fitted with a limiting ring, and the outer wall of the limiting ring is fixedly connected to the inner wall of the second cap.

[0011] Preferably, a uniformly distributed first extrusion plate is provided at the lower end of the first cover cap, and the bottom of the uniformly distributed first extrusion plate is designed to be inclined inwards.

[0012] Preferably, a protrusion is provided at the lower end of the cover, and second extruded plates with an open structure are evenly distributed on the edge of the protrusion.

[0013] Preferably, anti-skid bolts are evenly distributed on the outer surface of the second cover cap, and the anti-skid bolts can be made of rubber material.

[0014] Beneficial Effects

[0015] The utility model provides a plastic container structure with a multi-sealed protective bottle cap structure. Compared with the prior art, it has the following beneficial effects:

[0016] Firstly, the utility model presses downward the second cap on the outer side of the first cap, and then fits the lower tooth block fixedly connected to the lower end face of the inner wall of the second cap with the upper tooth blocks evenly distributed at the edge of the upper end face of the first cap, and then rotates the second cap counterclockwise to squeeze the side walls of the lower tooth block and the upper tooth block, so as to realize the mutual rotation and opening and closing of the internal first cap and the cover opening, thereby forming a double locking mechanism. Even if the threaded connection becomes loose in some cases, the tight fit of the tooth blocks can provide additional safety protection, ensuring that the container will not be accidentally opened during transportation or storage, avoiding direct contact with the first cap to cause accidental opening and closing of the bottle cap, and greatly improving the sealing.

[0017] Secondly, when the first cover cap of the utility model is locked with the threaded cover opening, the first rubber plug is firstly arranged to seal with the first sealing groove at the top, and the inner side of the top end of the cover opening is squeezed by the outer side of the squeezing ring, and then the second rubber plug on the inner side of the top end of the cover opening is further squeezed and sealed with the second sealing groove on the outer side of the squeezing ring, and then the first squeezing plate at the lower end of the first cover cap can fit and squeeze with the second squeezing plate on the convex block at the lower end of the cover opening, and a certain friction force will be generated when squeezing each other, and this friction force can prevent the cover cap from loosening by itself under vibration or impact, and can further ensure the close fit between the cover cap and the cover opening, thereby greatly improving the sealing performance of the container through this multiple sealing protection mechanism, and effectively preventing the leakage of liquid or gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the cross-sectional structure of the cover opening and the first cover cap of the utility model;

[0020] Figure 3 This is a schematic diagram of the internal structure of the first cap of the utility model;

[0021] Figure 4 It is a schematic diagram of the internal structure of the cover of the utility model.

[0022] In the figure: 1. plastic container body; 2. cover; 3. first cover cap; 301. second cover cap; 302. lower tooth block; 303. upper tooth block; 4. anti-slip plug; 5. first sealing groove; 501. extrusion ring; 502. second sealing groove; 503. first rubber plug; 504. second rubber plug; 6. movable groove; 601. sponge ring; 602. limiting ring; 7. first extrusion plate; 8. bump; 9. second extrusion plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4 The utility model provides a technical solution: a plastic container structure with a multiple sealing protection bottle cap structure, comprising a plastic container body 1, a cover 2 is arranged at the upper end of the plastic container body 1, a first cap 3 is threadedly connected to the outer surface of the cover 2, and a multiple sealing mechanism for sealing and protecting the bottle cap is arranged inside the first cap 3, and the multiple sealing mechanism includes:

[0025] The anti-drop structure includes a second cap 301 disposed outside the first cap 3, a lower tooth block 302 is fixedly connected to the inner wall of the second cap 301, upper tooth blocks 303 are evenly distributed on the edge of the upper end surface of the first cap 3, and the second cap 301 is rotatably connected to the outer wall of the first cap 3 through a movable component;

[0026] The sealing assembly includes a first sealing groove 5 formed on the lower end surface of the interior of the first cover cap 3, an extrusion ring 501 is fixedly connected to the inner side of the first sealing groove 5 located at the lower end surface of the interior of the first cover cap 3, a second sealing groove 502 is formed on the outer wall of the extrusion ring 501, a first rubber plug 503 is fixedly connected to the top end of the cover opening 2, and a second rubber plug 504 is arranged on the inner side of the cover opening 2.

[0027] In this embodiment, the plastic container body 1 is detachable by rotating the first cover cap 3 and the cover opening 2 that is threadedly connected. When connecting, first press the second cover cap 301 outside the first cover cap 3 downward, then fit the lower tooth block 302 fixedly connected to the lower end face of the inner wall of the second cover cap 301 with the upper tooth blocks 303 evenly distributed at the edge of the upper end face of the first cover cap 3, and then rotate the second cover cap 301 counterclockwise to squeeze the side wall of the lower tooth block 302 and the upper tooth block 303 to achieve the mutual rotation and opening and closing of the internal first cover cap 3 and the cover opening 2, thereby forming a double locking mechanism. Even if the threaded connection is loose in some cases, the tight fit of the tooth blocks can still It provides additional safety protection to ensure that the container will not be accidentally opened during transportation or storage, avoids direct contact with the first cap 3 and thus causes the bottle cap to open and close accidentally, and greatly improves the sealing performance. Then, when the first cap 3 is locked with the threaded cover 2, the first rubber plug 503 is sealed with the first sealing groove 5 at the top, and the inner side of the top of the cover 2 is squeezed by the outer side of the squeezing ring 501, and then the second rubber plug 504 on the inner side of the top of the cover 2 is further squeezed and sealed with the second sealing groove 502 on the outer side of the squeezing ring 501. Through this double sealing protection mechanism, the sealing performance of the container is greatly improved, and the leakage of liquid or gas is effectively prevented.

[0028] In a preferred embodiment, the first rubber plug 503 and the first sealing groove 504 are pressed and matched with each other, and the second sealing groove 502 and the second rubber plug 504 are pressed and matched with each other.

[0029] In a preferred embodiment, the movable component includes a movable groove 6 opened on the outer wall of the first cap 3, and a sponge ring 601 is arranged at the bottom of the movable groove 6. The upper end surface of the sponge ring 601 is fitted with a limiting ring 602, and the outer wall of the limiting ring 602 is fixedly connected to the inner wall of the second cap 301. When opening and closing the cover, the second cap 301 is moved downward in the movable groove 6 through the limiting ring 602 and the sponge ring 601, and then the second cap 301 is rotated to drive the first cap 3 to open and close. When not in use, the second cap 301 can provide an upward force through the sponge ring 601 to avoid contact between the second cap 301 and the first cap 3, which causes the cover 2 to be opened accidentally.

[0030] In a preferred embodiment, a uniformly distributed first extrusion plate 7 is provided at the lower end of the first cap 3, and the bottom of the uniformly distributed first extrusion plate 7 is designed to be inclined inwardly. A protrusion 8 is provided at the lower end of the cover opening 2, and second extrusion plates 9 with an open structure are uniformly distributed at the edge of the protrusion 8. When the cap and the cover opening 2 are connected to each other, the first extrusion plate 7 at the lower end of the first cap 3 can fit and squeeze the second extrusion plate 9 on the protrusion 8 at the lower end of the cover opening 2, and a certain friction force will be generated when they are squeezed against each other. This friction force can prevent the cap from loosening by itself under vibration or impact, and can further ensure the close fit between the cap and the cover opening 2, thereby enhancing the sealing performance of the entire container.

[0031] In a preferred embodiment, the outer surface of the second cap 301 is evenly distributed with anti-skid bolts 4, and the anti-skid bolts 4 can be made of rubber material. The anti-skid bolts 4 made of rubber material can increase the friction force during practical use, so as to facilitate opening and closing.

[0032] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0033] When working, the plastic container body 1 is detachable from the cover 2 connected with the thread by rotating the first cover cap 3. When connecting, firstly, the second cover cap 301 outside the first cover cap 3 is pressed downward, and then the lower tooth block 302 fixedly connected to the lower end face of the inner wall of the second cover cap 301 is fitted with the upper tooth block 303 evenly distributed at the edge of the upper end face of the first cover cap 3, and then the second cover cap 301 is rotated counterclockwise to squeeze the side wall of the lower tooth block 302 and the upper tooth block 303, so as to realize the mutual rotation and opening and closing of the internal first cover cap 3 and the cover 2, thereby forming a double locking mechanism, and the second cover cap 301 is moved downward in the movable groove 6 through the sponge ring 601 through the limiting ring 602, and then the second cover cap 301 is rotated to drive the first cover cap 3 to open and close, and when not in use, the second cover cap 301 can provide an upward force through the sponge ring 601 to avoid contact between the second cover cap 301 and the first cover cap 3, which causes the cover 2 to be accidentally opened;

[0034] During connection, when the first cover cap 3 is locked with the threaded cover opening 2, the first rubber plug 503 is firstly arranged to seal with the first sealing groove 5 at the top, and the inner side of the top of the cover opening 2 is squeezed by the outer side of the squeezing ring 501, and then the second rubber plug 504 on the inner side of the top of the cover opening 2 is further squeezed and sealed with the second sealing groove 502 on the outer side of the squeezing ring 501, and then the first squeezing plate 7 at the lower end of the first cover cap 3 can be squeezed with the second squeezing plate 9 on the convex block 8 at the lower end of the cover opening 2. A certain friction force will be generated when squeezing each other, and this friction force can prevent the cover cap from loosening by itself under vibration or impact, and can further ensure the close fit between the cover cap and the cover opening 2, so that the sealing performance of the container is greatly improved through this multiple sealing protection mechanism, and the leakage of liquid or gas is effectively prevented.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plastic container structure with a multi-sealed protective bottle cap structure, comprising a plastic container body (1), characterized in that: The upper end of the plastic container body (1) is provided with a cover (2), the outer surface of the cover (2) is threadedly connected with a first cap (3), and the first cap (3) is internally provided with a multiple sealing mechanism for sealing and protecting the bottle cap, the multiple sealing mechanism comprising: An anti-falling structure comprises a second cap (301) arranged outside a first cap (3), the inner wall of the second cap (301) being fixedly connected with a lower tooth block (302), upper tooth blocks (303) being evenly distributed at the edge of the upper end surface of the first cap (3), and the second cap (301) being rotatably connected to the outer wall of the first cap (3) via a movable component; The sealing assembly comprises a first sealing groove (5) formed on the lower end surface of the interior of a first cover cap (3); an extrusion ring (501) is fixedly connected to the inner side of the first sealing groove (5) and located on the lower end surface of the interior of the first cover cap (3); a second sealing groove (502) is formed on the outer side wall of the extrusion ring (501); a first rubber plug (503) is fixedly connected to the top end of the cover opening (2); and a second rubber plug (504) is arranged on the inner side of the cover opening (2).

2. The plastic container structure with a multi-sealed protective bottle cap structure according to claim 1, characterized in that: The first rubber plug (503) and the first sealing groove (5) are pressed and matched with each other, and the second sealing groove (502) and the second rubber plug (504) are pressed and matched with each other.

3. The plastic container structure with a multi-sealed protective bottle cap structure according to claim 1, characterized in that: The movable component comprises a movable groove (6) formed on the outer wall of the first cover cap (3), a sponge ring (601) being provided at the bottom of the movable groove (6), the upper end surface of the sponge ring (601) being fitted with a limit ring (602), and the outer wall of the limit ring (602) being fixedly connected to the inner wall of the second cover cap (301).

4. The plastic container structure with a multi-sealed protective bottle cap structure according to claim 1, characterized in that: The lower end of the first cover cap (3) is provided with a uniformly distributed first extrusion plate (7), and the bottom of the uniformly distributed first extrusion plate (7) is designed to be inclined inwards.

5. The plastic container structure with a multi-sealed protective bottle cap structure according to claim 1, characterized in that: A bulge (8) is provided at the lower end of the cover (2), and second extrusion plates (9) in an open-shaped structure are evenly distributed at the edge of the bulge (8).

6. The plastic container structure with a multi-sealed protective bottle cap structure according to claim 1, characterized in that: The outer surface of the second cover cap (301) is evenly distributed with anti-slip bolts (4), and the anti-slip bolts (4) can be made of rubber material.

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