CN220148031U

CN220148031U - Fixing structure for bottle cap and bottle neck

Info

Publication number: CN220148031U
Application number: CN202321659040.8U
Authority: CN
Inventors: 李文东; 林义雄; 魏春燕; 马登科
Original assignee: Suzhou Hongguang Plastic Co ltd
Current assignee: Suzhou Hongguang Plastic Co ltd
Priority date: 2023-06-28
Filing date: 2023-06-28
Publication date: 2023-12-08
Anticipated expiration: 2033-06-28

Abstract

The utility model discloses a bottle cap and bottle neck fixing structure, which comprises a bottle body, wherein a bottle neck assembly is arranged at the top of the bottle body, the bottle neck assembly comprises a bottle neck, a bottle mouth and three-tooth mouth external threads, a bottle cap assembly is arranged outside the bottle neck, and the bottle cap assembly comprises a bottle cap, three-tooth mouth internal threads, a sealing piece and a pull lug; through being provided with bottleneck subassembly and bottle lid subassembly, when bottleneck subassembly and bottle lid subassembly carry out the spin and connect the combination, there is the portion of shrinking between bottleneck and the external screw thread of three tooth mouth, the bottle lid is soon connect in place after, draw the ear to push down the portion of shrinking, make and draw the ear and can not receive the hank pressure, be favorable to the user to open the bottle lid fast, accomplish the spin that connects the combination to bottle lid and bottleneck through three tooth mouth external screw thread and three tooth mouth internal screw thread mutually support, only need to twist bottle lid 1-2 circles can accomplish the combination with the bottleneck, the upper cover speed of bottle lid when having improved production equipment, and be difficult for appearing the condition of crooked lid, the overall efficiency to plastic bottle processing has been improved.

Description

Fixing structure for bottle cap and bottle neck

Technical Field

The utility model relates to the technical field of plastic bottles, in particular to a fixing structure of a bottle cap and a bottle neck.

Background

The plastic bottle is mainly made of polyethylene or polypropylene and other materials, and is added with various organic solvents. The plastic bottle widely uses Polyester (PET), polyethylene (PE) and polypropylene (PP) as raw materials, after corresponding organic solvents are added, the plastic bottle is heated at high temperature, and then is subjected to blow molding, extrusion blowing or injection molding through a plastic mold, so that the plastic bottle is mainly used for liquid or solid disposable plastic packaging containers such as beverages, foods, pickles, honey, dried fruits, edible oil, agricultural and veterinary drugs, when the plastic bottle is unsealed and used, a sealing piece adhered to a bottle opening is generally required to be sheared by using a tool, a few of the plastic bottle is in a lug pulling structure, but when the bottle cap and the bottle neck are screwed up, the lugs are pressed at a threaded connection position, the bottle cap is not easy to open by a user, and then the existing bottle cap is required to be screwed for 2-5 circles to be combined with the bottle neck, so that the situation of oblique cap is easy to appear.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a fixing structure of a bottle cap and a bottle neck.

The utility model solves the technical problems by the following technical proposal: including the bottle, the top of bottle is provided with the bottleneck subassembly, the bottleneck subassembly includes the bottleneck, the bottleneck is fixed in the top of bottle, the top of bottleneck is fixed with the bottleneck, the outside of bottleneck is fixed with three tooth mouth external screw threads, the outside of bottleneck is provided with the bottle lid subassembly, the bottle lid subassembly includes the bottle lid, the bottle lid rotates the outside of connecting in the bottleneck, the inner wall of bottle lid is fixed with three tooth mouth internal screw threads, the top of bottleneck is fixed with the seal piece, the outside of seal piece is fixed with a plurality of lugs, there is certain distance between bottleneck and the three tooth mouth external screw threads, forms the interior portion of contracting that can hold the lug.

As still further aspects of the utility model: the outside of bottle is provided with a plurality of recesses.

As still further aspects of the utility model: and a limiting ring is fixed on the outer side of the bottleneck, which is close to the external thread of the three-tooth mouth.

As still further aspects of the utility model: the outside of bottle lid is provided with anti-skidding groove.

As still further aspects of the utility model: a pair of annular raised strips is fixed on the inner wall of the top of the bottle cap.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. through the arrangement of the bottleneck assembly and the bottle cap assembly, when the bottleneck assembly and the bottle cap assembly are combined in a screwing mode, a certain distance exists between the bottleneck and the external threads of the three teeth mouth to form an inward shrinking part capable of containing the pull lugs, after the bottle cap is screwed in place, the pull lugs on the sealing piece are pressed down to the inward shrinking part, the pull lugs are not contacted with the external threads of the three teeth mouth and the internal threads of the three teeth mouth, so that the pull lugs cannot be twisted, a user can easily find the pull lugs, and the sealing piece and the bottleneck are peeled off through pulling the pull lugs, and the bottle cap is convenient for the user to rapidly open the bottle cap;

2. the bottle cap and the bottle neck are combined in a screwing way through the mutual matching of the external threads of the three tooth mouths and the internal threads of the three tooth mouths, the combination with the bottle neck can be finished only by screwing the bottle cap for 1-2 circles, the upper cover speed of the bottle cap during production and assembly is improved, the situation of oblique covers is not easy to occur, and the overall efficiency of processing the plastic bottle is improved;

3. the annular convex strips are arranged to press the sealing piece after the bottle neck and the bottle cap are combined in a screwing mode, so that a liner is not required to be arranged in the bottle cap, and the manufacturing cost is reduced.

Drawings

FIG. 1 shows a schematic diagram of an axially measured structure provided in accordance with an embodiment of the present utility model;

FIG. 2 shows a schematic diagram of an isometric cross-sectional structure provided in accordance with an embodiment of the present utility model;

FIG. 3 shows an enlarged schematic view of the portion A in FIG. 2 according to an embodiment of the present utility model;

FIG. 4 shows a schematic diagram of an explosive structure provided in accordance with an embodiment of the present utility model;

FIG. 5 shows an enlarged schematic view of the portion B of FIG. 4 according to an embodiment of the present utility model;

FIG. 6 shows an exploded cross-sectional structural schematic provided in accordance with an embodiment of the present utility model;

FIG. 7 is an enlarged schematic view of the portion C in FIG. 6 according to an embodiment of the present utility model;

fig. 8 is a schematic diagram showing a structure of a closure in a tightened state according to an embodiment of the present utility model.

Legend description:

100 bottle bodies, 110 grooves, 210 bottle necks, 220 bottle necks, 230 three-tooth mouth external threads, 240 limiting rings, 310 bottle caps, 311 anti-slip grooves, 320 annular convex strips, 330 three-tooth mouth internal threads, 340 sealing sheets and 341 pull lugs.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings are merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "sleeved," "connected," etc. should be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-8, the present utility model provides a technical solution: the bottle comprises a bottle body 100, wherein a bottle neck assembly is arranged at the top of the bottle body 100, the bottle neck assembly comprises a bottle neck 210, a bottle mouth 220 and three-tooth mouth external threads 230, a bottle cap assembly is arranged outside the bottle neck 210, and the bottle cap assembly comprises a bottle cap 310, three-tooth mouth internal threads 330, a sealing piece 340 and a pull lug 341; through being provided with bottleneck subassembly and bottle lid subassembly, when bottleneck subassembly and bottle lid subassembly carry out the spin-on combination, there is certain distance between bottleneck 220 and the external screw thread 230 of three tooth mouth, form the interior portion that can hold and draw ear 341, after bottle lid 310 is screwed in place, draw ear 341 on the closure piece 340 to push down interior portion, draw ear 341 and the external screw thread 230 of three tooth mouth and the internal screw thread 330 of three tooth mouth contact, make and draw ear 341 can not receive the hank pressure, the user can find and draw ear 341 easily, and peel off closure piece 340 and bottleneck 210 through pulling draw ear 341, be favorable to the user to open bottle lid 310 fast, the spin-on combination to bottle lid 310 and bottleneck 210 is accomplished through three tooth mouth external screw thread 230 and three tooth mouth internal screw thread 330 mutually supporting, only need screw cap 3101-2 circle can accomplish the combination with bottleneck 210, the upper cover speed of bottle lid 310 when having improved the production equipment, and the condition of skew lid is difficult to appear, the whole efficiency of processing to the plastic bottle has been improved.

Specifically, a plurality of grooves 110 are provided on the outer side of the bottle body 100, and an anti-slip groove 311 is provided on the outer side of the bottle cap 310; the grooves 110 are arranged to increase the friction force between the user and the hands when holding the bottle body 100, and the anti-slip grooves 311 are arranged to increase the friction force between the user and the hands when screwing the bottle cap, so that the sliding of the hands and the bottle cap is prevented.

Specifically, a limiting ring 240 is fixed on the outer side of the bottleneck 210, which is close to the external thread 230 of the three-tooth mouth; the downward displacement of the screw cap 310 is limited by the limiting ring 240, so that the screw cap 310 is prevented from being unnecessarily damaged due to the over-travel.

Specifically, a pair of annular protruding strips 320 are fixed on the inner wall of the top of the bottle cap 310; by arranging the annular convex strips 320, the sealing piece 340 is pressed after the bottle neck 210 and the bottle cap 310 are in screwed connection, so that a liner is not required to be arranged inside the bottle cap 310, and the manufacturing cost is reduced.

Working principle: when in use, the bottle cap 310 is aligned to the bottle neck 210, the bottle cap 310 and the bottle neck 210 are combined in a screwing way through the mutual matching of the three-tooth mouth external thread 230 and the three-tooth mouth internal thread 330, the combination with the bottle neck 210 can be completed by screwing the bottle cap 3101-2 circles, the friction force between the ring-shaped raised strip 320 and the hand can be increased when a user holds the bottle body 100, the sealing piece 340 is pressed by the ring-shaped raised strip 320 after the bottle neck 210 and the bottle cap 310 are combined in a screwing way, a liner is not needed to be arranged in the bottle cap 310, a certain distance exists between the bottle mouth 220 and the three-tooth mouth external thread 230 when the bottle neck component is combined in a screwing way, an inward shrinking part capable of accommodating the pulling lug 341 is formed, after the bottle cap 310 is screwed in place, the pulling lug 341 on the sealing piece 340 is not contacted with the three-tooth mouth external thread 230 and the three-tooth mouth internal thread 330, the pulling lug 341 is not pressed by a twisting way, when the user needs to uncap the plastic, the user can easily find the pulling lug 341, and the bottle cap 210 and the bottle neck component can be peeled off quickly, and the bottle cap 310 is beneficial to the user.

While the present utility model has been disclosed with reference to the embodiments and the accompanying drawings, it will be understood by those skilled in the art that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the utility model and the appended claims, and therefore the scope of the utility model is not limited to the embodiments and the disclosure of the drawings.

Claims

1. The utility model provides a fixed knot of bottle lid and bottleneck constructs, its characterized in that, including bottle (100), the top of bottle (100) is provided with bottleneck subassembly, bottleneck subassembly includes bottleneck (210), bottleneck (210) are fixed in the top of bottle (100), the top of bottleneck (210) is fixed with bottleneck (220), the outside of bottleneck (210) is fixed with three tooth mouth external screw threads (230), the outside of bottleneck (210) is provided with the bottle lid subassembly, the bottle lid subassembly includes bottle lid (310), bottle lid (310) rotate connect in the outside of bottleneck (210), the inner wall of bottle lid (310) is fixed with three tooth mouth internal screw threads (330), the top of bottleneck (220) is fixed with seal piece (340), the outside of seal piece (340) is fixed with a plurality of lugs (341), there is certain distance between bottleneck (220) and three tooth mouth external screw threads (230), forms the interior portion that can hold lug (341).

2. The structure for fixing the bottle cap and the bottle neck according to claim 1, wherein a plurality of grooves (110) are formed on the outer side of the bottle body (100).

3. The structure for fixing the bottle cap and the bottle neck according to claim 1, wherein a limiting ring (240) is fixed on the outer side of the bottle neck (210) close to the external thread (230) of the triple-tooth mouth.

4. The structure for fixing the bottle cap and the bottle neck according to claim 1, wherein the outside of the bottle cap (310) is provided with an anti-slip groove (311).

5. The structure for fixing a bottle cap and a bottle neck according to claim 4, wherein a pair of annular convex strips (320) are fixed to the inner wall of the top of the bottle cap (310).