CN113753400B

CN113753400B - Quick-opening bottle cap structure

Info

Publication number: CN113753400B
Application number: CN202110908267.0A
Authority: CN
Inventors: 余仁卫
Original assignee: Hangzhou Kanghong Industry & Trade Co ltd
Current assignee: Hangzhou Kanghong Industry & Trade Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-12-09
Anticipated expiration: 2041-08-09
Also published as: CN113753400A

Abstract

The invention discloses a quick-opening bottle cap structure, which comprises an inner cap, an outer cap, a straw assembly and a plurality of movable pieces, wherein the outer cap is sleeved outside the inner cap; a bottle mouth positioning groove is formed in the outer side wall of the bottle mouth of the bottle; a plurality of rotation limiting structures are arranged on the inner cover in the circumferential closing direction relative to the bottle; the side wall of the inner cover is provided with movable sheet mounting holes with equal angles, and the number, the shape and the size of the movable sheet mounting holes correspond to those of the movable sheets; the side wall of the hole at the circumferential opening direction side of the movable sheet mounting hole is a limiting surface, and the side wall of the hole at the closing direction side is an inclined surface; the outer side wall of the inner cover is circumferentially provided with an inner cover convex edge; the movable sheet can move inwards and outwards along the radial direction; the inner side wall of the movable sheet is convexly provided with a movable sheet positioning edge, and the position, the shape and the size of the movable sheet positioning edge correspond to the bottle mouth positioning groove in a matched mode. The invention has the beneficial effects that: the design of a locking structure is added in the quick-opening structure, so that the application range of the packing is wider, and the application environment is wider.

Description

Quick-opening bottle cap structure

Technical Field

The invention relates to the field of packaging, in particular to a quick-opening bottle cap structure.

Background

Chinese patent document CN212173100U discloses "a quick-opening dropper bottle" in 2020, 12 months and 18 days, including body, bottle lid and burette, the bottle lid includes mounting and moving part, the mounting is connected on the body, the moving part cover is located on the mounting, the moving part can follow mounting axial direction motion, be provided with the joint spare between moving part and the mounting, be provided with the installed part on the burette, the joint between installed part and the joint spare. The utility model discloses utilize the cooperation between joint spare and the installed part to realize the quick installation and the dismantlement to the water dropper bottle. In a similar quick-opening structure, in order to keep the bottle cap to be taken up and down quickly, an effective locking structure of the bottle cap and a bottle opening is often lacked, and the moving position is not safe.

Disclosure of Invention

Based on the problems, the invention provides a quick-opening bottle cap structure, and the design of a locking structure is added in the quick-opening structure, so that the packaging material has a wider application range and a wider application environment.

Hereinafter, unless otherwise stated, orientations referring to "upper" and "lower" are defined as follows: the direction of the bottle mouth is upward and the direction of the bottle bottom is downward in the conventional posture.

In order to realize the purpose of the invention, the invention adopts the following technical scheme: a quick-opening bottle cap structure comprises a bottle, a bottle cap and a straw assembly, wherein the bottle cap comprises an inner cap and an outer cap sleeved on the outer side of the inner cap, and the straw assembly comprises a rubber cap, a straw and a plurality of movable pieces;

a bottle mouth positioning groove is formed in the outer side wall of the bottle mouth of the bottle;

a plurality of rotation limiting structures are arranged on the inner cover in the circumferential closing direction relative to the bottle; the side wall of the inner cover is provided with movable sheet mounting holes at equal angles, and the number, shape and size of the movable sheet mounting holes correspond to those of the movable sheets; the side wall of the hole of the movable sheet mounting hole at the circumferential opening direction side is a limiting surface, and the side wall of the hole at the closing direction side is an inclined surface; the outer side wall of the inner cover is circumferentially provided with an inner cover convex edge;

the movable sheet can move inwards and outwards along the radial direction; the inner side wall of the movable sheet is convexly provided with a movable sheet positioning edge, and the position, the shape and the size of the movable sheet positioning edge are matched and corresponding to the bottle mouth positioning groove;

an outer cover groove is formed in the inner side wall of the outer cover along the circumferential direction, and a movable sheet avoiding groove is formed in the position corresponding to the movable sheet;

the number, shape and size of the movable sheet avoiding grooves correspond to those of the movable sheets, the side wall of the movable sheet avoiding groove at the circumferential opening direction side is an inclined plane, and the side wall of the movable sheet avoiding groove at the closing direction side is a limiting plane;

the outer cover groove is matched with the inner cover convex edge, so that the inner cover and the outer cover can relatively rotate along the circumferential direction, and the central angle corresponding to the relative rotation of the inner cover and the outer cover along the circumferential direction is larger than that corresponding to the movable piece avoiding groove.

The quick-opening bottle cap structure designed by the technical scheme comprises a bottle, a bottle cap and a straw assembly fixedly connected with the bottle cap. The outer side wall of the bottle mouth of the bottle is required to be provided with a bottle mouth positioning groove which usually surrounds along the circumferential direction of the bottle mouth. The bottle cap comprises an inner cap and an outer cap which are sleeved inside and outside; the inner cover is in a cylindrical shape which is penetrated up and down and can rotate relative to the bottle, but a plurality of limit structures are designed in the rotating closing direction, and the rotating range of the inner cover is limited among the limit structures; the outer cover can rotate relative to the inner cover, a through rubber cap mounting hole is formed in the upper side wall of the outer cover, and the rubber cap is mounted at the through rubber cap mounting hole. The upper end of the suction pipe is hermetically connected with the opening of the rubber cap, the lower end of the suction pipe extends into the bottleneck, and liquid can be taken out by pressing the rubber cap. In addition, the device also comprises a plurality of movable sheets. The design has the several activity piece mounting hole on the lateral wall of inner cup, and the activity piece mounting hole should be including equal angular arrangement on the lid circumference, correspond in every activity piece mounting hole and assemble a activity piece, and the overall dimension of activity piece etc. all corresponds with activity piece mounting hole adaptation, can follow the radial inside and outside end at the activity piece mounting hole of bottle and remove. The shapes of the hole side walls of the movable sheet mounting holes in two circumferential directions are different: the side wall of the hole at the opening direction side is a limiting surface, and the side wall of the hole at the closing direction side is an inclined surface. Correspondingly, the inner side wall of the outer cover is provided with an inwards concave movable sheet avoiding groove, and the shape, size, position and number of the movable sheet avoiding groove correspond to those of the movable sheet. The shape of the groove side wall of the movable sheet avoiding groove in two circumferential directions is also different: the side wall of the groove at the opening direction side is an inclined plane, and the side wall of the groove at the closing direction side is a limiting plane. The design has the inner cup bead at the inside wall design of enclosing cover along circumference design on the lateral wall of inner cup, and the design has the enclosing cover recess on the inside wall of enclosing cover that corresponds, and after both cooperations, it is spacing that but the axial of messenger inner cup, enclosing cover can the relative rotation of circumference. The positions of the convex ribs and the concave grooves can be interchanged. The inner side of the movable sheet is provided with a movable sheet positioning ridge protruding towards the inner side. The movable sheet positioning edge is used for being embedded into the bottle opening positioning groove when being closed so as to realize the locking of the bottle cap and the bottle opening. The specific shape of the movable sheet positioning edge is limited to be matched with the bottle opening positioning groove, and preferably a convex rib extending along the circumferential direction.

For a system formed by the inner cover, the outer cover and the movable sheet, the relative rotation position of the inner cover and the outer cover determines the position of the movable sheet, and the central angle corresponding to the circumferential relative rotation of the inner cover and the outer cover is larger than the central angle corresponding to the avoiding groove of the movable sheet. When the bottle and the bottle cap are in the non-locking state, the movable sheet is accommodated in the movable sheet avoiding groove; at the moment, the outer cover is rotated forwards, the movable piece is pushed inwards by avoiding the inclined plane at the opening direction side of the groove through the movable piece, and when the position of the movable piece avoiding the groove corresponds to the outer side end of the movable piece mounting hole, the movable piece moves inwards into the movable piece mounting hole along the radial direction of the bottle, so that the locking effect of the bottle cover and the bottle is formed; and at the moment, the outer cover rotates reversely, the limiting surface on the opening direction side of the movable sheet mounting hole pushes the movable sheet to rotate reversely, the movable sheet is pushed outwards under the action of the inclined surface on the closing direction side of the movable sheet mounting hole and retreats to the movable sheet avoiding groove from the inside of the movable sheet mounting hole again, and the locking relation between the movable sheet and the bottle opening is released. At the moment, the bottle cap can be axially taken up, and the bottle mouth is exposed for use.

The bottle cap can be a conventional structure with a sealed upper side wall and can also be a structure with a through upper side wall and matched with a straw assembly for use. The latter may also typically include a rubber cap, a straw, and the like. The suction pipe assembly belongs to the prior art, and the technical improvement point of the scheme is not involved, so the detailed description is not given here, and the specific structure is referred to the introduction of CN 212173100U.

Preferably, the inner side wall of the movable piece mounting hole is provided with a movable piece mounting hole limiting convex strip, and the movable piece mounting hole limiting convex strip forms a limiting relation to inward movement of the movable piece in the movable piece mounting hole. The mounting hole limiting protruding strips limit the inward movement positions of the movable pieces, and the movable pieces are prevented from retreating to lose effectiveness in opening operation.

Preferably, the upper side wall of the rib of the inner cap is an outward and downward guiding slope. This design facilitates the installation of the inner and outer covers.

Preferably, the bottom of the inner side wall of the outer cover is provided with an inward and upward assembly inclined plane corresponding to the position of the convex edge of the inner cover. In the same way, the scheme is convenient to install.

Preferably, the shoulder of the bottle is equiangularly provided with a plurality of bottle shoulder limiting points which protrude upwards; correspondingly, the lower end surface of the inner cover is provided with the same number of inner cover limiting blocks which protrude downwards at corresponding positions; the inner cover limiting blocks correspond to the bottle shoulder limiting points in a one-to-one matching mode. In this design, what adopt is that the bottle shoulder limit point and the one-to-one of inner cup stopper limit structure, ensure that the relative bottle of inner cup is rotatable between two adjacent limit structure, but it is spacing to form the rotation at limit structure.

Preferably, the side wall of the inner cover limiting block on the closing direction side is a limiting surface, and the side wall of the inner cover limiting block on the opening direction side is a guide inclined surface. The shape of inner cup stopper has further been optimized to this scheme, and the direction is kept spacing closed, and the direction of opening then designs for ascending inclined plane. When the outer cover is screwed towards the opening direction, the movable block is retreated outwards in the first step, the movable block and the bottle opening are unlocked, the inner cover is driven to rotate simultaneously in the second step, when the guide inclined plane touches the limit point of the adjacent bottle shoulder, the inner cover can be lifted upwards, and the bottle cover can be opened by a user in a visual sense and a hand feeling way.

As preferred, the outer side wall of inner cup is equipped with the protruding muscle of round inner cup circumference of the evagination of the lowest end, and the inside wall lower extreme of enclosing cover corresponds the position and is equipped with the enclosing cover circumference recess of indent, enclosing cover circumference recess and the protruding muscle adaptation of inner cup circumference. The design further strengthens the circumferential guiding function and the axial limiting function when the inner cover and the outer cover rotate relatively.

According to the structure of the scheme, the circumferential rotation action of the outer cover is changed into the radial clamping action of the movable sheet, and when needed, the movable sheet can be driven to lock the bottle mouth as long as the outer cover is screwed in the closing direction; resealing of the opened bottle may also be accomplished if necessary with sealing flaps, seals, etc. as known to those skilled in the art. In conclusion, the beneficial effects of the scheme are as follows: the design of the locking structure is added in the quick-opening structure, so that the application range of the quick-opening bottle cap structure is wider, and the application environment is wider.

Drawings

Fig. 1 is an axial cross-sectional view of the present invention.

Fig. 2 is an exploded view of the present invention.

Figure 3 is an exploded view of the invention from another perspective (with the rubber cap, straw holder removed).

Wherein: the bottle comprises a bottle body 1, a bottle opening positioning groove 11, a bottle shoulder limiting point 12, an inner cover 2, a movable piece mounting hole 21, a movable piece mounting hole limiting convex strip 211, an inner cover convex edge 22, an inner cover limiting block 23, a circumferential convex rib of an inner cover 24, an outer cover 3, an outer cover groove 31, a movable piece 32 avoiding groove, an outer cover assembly inclined plane 33, an outer cover circumferential groove 34, a movable piece 4, a movable piece positioning edge 41, a rubber cap 91, a straw 92 and a straw seat 93.

Detailed Description

The invention is further described with reference to the following detailed description and accompanying drawings.

The embodiment is a quick-opening bottle cap structure applied to a certain cosmetic package. Referring to fig. 1, the quick-opening bottle cap structure of the scheme comprises a bottle 1, a bottle cap and a movable sheet 4, wherein the bottle cap comprises an inner cap 2 and an outer cap 3. In order to conveniently take liquid, a liquid taking dropper is further arranged in the scheme and comprises a rubber cap 91, a straw 92 and a straw seat 93.

Referring to fig. 2 and 3, the bottle 1 in this embodiment includes a shoulder and a mouth, an annular mouth positioning groove 11 is provided on the outer side wall of the mouth, 4 protruding shoulder limiting points 12 are provided on the shoulder at equal angles on the same circumference, and both side wall surfaces of the shoulder limiting points 12 in the circumferential direction are extended along the radial direction.

The inner cap 2 is a cylindrical shape penetrating up and down, leaving only a side wall portion. The lower end face of the inner cover 2 is provided with 4 inner cover limiting blocks 23 protruding downwards, and the inner cover limiting blocks 23 correspond to the bottle shoulder limiting points 12 in a one-to-one matching mode. The side wall of the closing direction side of each inner cap stopper 23 is a stopper surface, and the side wall of the opening direction side is a guide inclined surface. When the inner cap 2 is covered on the bottle mouth to rotate circumferentially, the front end rotating towards the closing direction is limited by one bottle shoulder limiting point 12, and the front end rotating towards the opening direction is pushed upwards by the other bottle shoulder limiting point 12.

Two movable sheet mounting holes 21 are symmetrically arranged on the side wall of the inner cover, the movable sheet mounting holes 21 of the embodiment are rectangular, the side wall of the hole on the circumferential opening direction side is a limiting surface extending along the radial direction, and the side wall of the hole on the closing direction side is an inclined surface. The upper and lower side walls of the movable piece mounting hole 21 are also provided with movable piece mounting hole limiting convex strips 211.

The outer side wall of the inner cover 2 is provided with 2 inner cover convex ridges 22 along the circumferential direction, the inner cover convex ridges 22 of the embodiment are arranged below the movable piece mounting holes 21, the length of the inner cover convex ridges 22 is equal to that of the movable piece mounting holes 21, and the upper side wall of each inner cover convex ridge 22 is an outward and downward guide inclined plane. The lowest end of the outer side wall of the inner cover 2 is convexly provided with a circle of inner cover circumferential convex ribs 24.

The outer cap 3 is also cylindrical and covers the inner cap 2. The outer cover is provided with a circumferential outer cover groove 31, and the outer cover groove 31 is matched with the inner cover convex rib 22, so that the inner cover 2 and the outer cover 3 can rotate relatively in the circumferential direction and are limited in the axial direction.

The bottom of the inner side wall of the outer cap 3 is provided with an inner and upward outer cap assembling slope 33 corresponding to the position of the inner cap rib 22 so as to be press-fitted corresponding to the position of the inner cap rib 22.

Two moving plate avoiding grooves 32 are also arranged at symmetrical positions on the inner side wall of the outer cover 3. The movable piece avoiding groove 32 in this example is also rectangular, and the groove side wall on the circumferential opening direction side is an inclined surface, and the groove side wall on the closing direction side is a stopper surface extending in the radial direction.

The inside wall lower extreme of enclosing cover 3 still is equipped with the enclosing cover circumference recess 34 of indent, and enclosing cover circumference recess 34 cooperates with the protruding muscle 24 of inner cup circumference, forms enclosing cover 3 and the spacing effect of circumference direction, axial of inner cup 2.

The central angle of the inner cover 2 corresponding to the circumferential relative rotation of the outer cover 3 is larger than the central angle of the movable sheet avoiding groove 32.

The number of the movable sheets 4 is 2, and the shape, size and position of the movable sheets 4 correspond to the movable sheet mounting holes 21 and the movable sheet avoiding grooves 32 in an adaptive manner. The inner side wall of the movable sheet 4 is convexly provided with a movable sheet positioning edge 41, and the position, shape and size of the movable sheet positioning edge 41 correspond to the bottle mouth positioning groove 11 in a matching way.

The movable plate 4 is movable in the radial direction. When the movable piece 4 is positioned in the movable piece avoiding groove 32 on the outer side, the bottle cap is not in contact with the bottle mouth, and the whole structure is in an opening state. When the outer cover 3 rotates towards the closing direction, the inner cover 2 follows up until the inner cover limiting block 23 and the bottle shoulder limiting point 12 realize limiting, and the inner cover 2 is also in a fixed state at the moment; the outer cover continues to rotate, the groove side wall of the movable sheet avoiding groove 32 at the closing direction side pushes the movable sheet 4 to synchronously rotate to the position of the movable sheet mounting hole 21, the movable sheet 4 is pushed by the inclined surface of the hole side wall at the closing direction side of the movable sheet mounting hole 21, moves inwards along the radial direction, breaks away from the movable sheet avoiding groove 32, enters the movable sheet mounting hole 21 and is limited by the convex strip 211 of the movable sheet mounting Kong Xianwei to form a state of being embedded on the inner cover 2, and in the state, the movable sheet positioning edges 411 on the two movable sheets 4 move inwards and are clamped into the bottle mouth positioning groove 11 and clamped tightly, so that the bottle cap can lock the bottle mouth. If the locking needs to be released, the outer cover 3 is rotated reversely, at the moment, the action direction of the movable sheet 4 is opposite, under the rotation of the outer cover 3, the movable sheet 4 is pushed by the inclined plane of the side wall of the groove at the opening direction side of the movable sheet avoiding groove 32, moves outwards along the radial direction, leaves the movable sheet mounting hole 21, the movable sheet positioning edge 411 is separated from the bottle opening positioning groove 11, the locking of the bottle cover and the bottle opening is released, and the movable sheet 4 enters the movable sheet avoiding groove 32. The cap can now be removed upwards. If not valuate the bottle lid this moment, but continue to rotate enclosing cover 3, then enclosing cover 3 drives 2 synchronous rotations of inner cup, and inner cup stopper 23 on the inner cup 2 contacts with adjacent bottle shoulder limiting point 12, and the whole lifting of inner cup 2 all can form the warning effect that is showing in vision and feeling, reminds the user unblock to accomplish, can take the bottle lid away.

In this embodiment, the rubber cap 91 is fixedly mounted at the opening of the top wall of the outer cover 3 through the fixing groove, the suction tube 92 is connected to the rubber cap 91, the lower end of the suction tube extends into the bottle mouth, and the suction tube seat 93 is buckled on the bottle mouth to play a role in sealing. When in use, the rubber cap 91 can be extruded when the bottle cap and the bottle mouth are locked, and liquid is sucked into the suction pipe 92; after the locking is released, the inner cap 2, the outer cap 3, the rubber cap 91 and the straw 92, which are connected as a whole, are taken away from the bottle mouth and can be used.

Claims

1. A quick-opening bottle cap structure comprises a bottle (1) and a bottle cap, wherein the bottle cap comprises an inner cap (2) and an outer cap (3) sleeved on the outer side of the inner cap (2), and is characterized by further comprising a plurality of movable pieces (4);

a bottle mouth positioning groove (11) is arranged on the outer side wall of the bottle mouth of the bottle (1);

a plurality of rotation limiting structures are arranged on the inner cover (2) relative to the bottle (1) in the circumferential closing direction; the side wall of the inner cover (2) is provided with movable sheet mounting holes (21) at equal angles, and the number, shape and size of the movable sheet mounting holes (21) correspond to those of the movable sheets (4); the hole side wall of the movable sheet mounting hole (21) on the circumferential opening direction side is a limiting surface, and the hole side wall on the closing direction side is an inclined surface; the outer side wall of the inner cover (2) is circumferentially provided with an inner cover convex rib (22);

the movable sheet (4) can move inwards and outwards along the radial direction; a movable sheet positioning edge (41) is convexly arranged on the inner side wall of the movable sheet (4), and the position, shape and size of the movable sheet positioning edge (41) are matched and corresponding to the bottle mouth positioning groove (11);

an outer cover groove (31) is formed in the inner side wall of the outer cover (3) along the circumferential direction, and a movable sheet avoiding groove (32) is formed in the position corresponding to the movable sheet (4);

the number, the shape and the size of the movable sheet avoiding grooves (32) correspond to those of the movable sheets (4), the side wall of the groove at the circumferential opening direction side of the movable sheet avoiding grooves (32) is an inclined plane, and the side wall of the groove at the closing direction side is a limiting surface;

the outer cover groove (31) is matched with the inner cover convex rib (22), so that the inner cover (2) and the outer cover (3) can relatively rotate along the circumferential direction, and the central angle corresponding to the circumferential relative rotation of the inner cover (2) and the outer cover (3) is larger than the central angle corresponding to the movable sheet avoiding groove (32).

2. The structure of a quick-opening bottle cap according to claim 1, wherein the inner side wall of the movable piece mounting hole (21) is provided with a movable piece mounting hole limiting convex strip (211), and the movable piece mounting hole limiting convex strip (211) forms a limiting relation to the inward movement of the movable piece (4) in the movable piece mounting hole (21).

3. A structure of a quick-opening bottle cap as claimed in claim 2, wherein the upper side wall of the inner cap rib (22) is formed with an outwardly and downwardly directed slope.

4. A structure of a quick-opening bottle cap as claimed in claim 1, 2 or 3, wherein the bottom of the inner sidewall of the outer cap (3) is provided with an inward and upward assembling slope (33) corresponding to the position of the rib (22) of the inner cap.

5. A quick-opening bottle cap structure as claimed in claim 1 or 2, wherein the shoulder of the bottle (1) is equiangularly provided with a plurality of upwardly protruding bottle shoulder limiting points (12); correspondingly, the lower end surface of the inner cover (2) is provided with an equal number of inner cover limiting blocks (23) in a downward protruding mode; the inner cover limiting blocks (23) are matched and corresponding to the bottle shoulder limiting points (12) one by one.

6. The structure of a quick-opening bottle cap as claimed in claim 5, wherein the side wall of the inner cap stopper (23) on the closing direction side is a stopper surface, and the side wall on the opening direction side is a guide slope.

7. The structure of the quick-opening bottle cap as claimed in claim 1 or 2, wherein the lowest end of the outer side wall of the inner cap (2) is provided with a circle of inner cap circumferential ribs (24) in a protruding manner, the corresponding position of the lower end of the inner side wall of the outer cap (3) is provided with an inner concave outer cap circumferential groove (34), and the outer cap circumferential groove (34) is matched with the inner cap circumferential ribs (24).