CN111634549A

CN111634549A - Bottle cap with built-in containing cabin

Info

Publication number: CN111634549A
Application number: CN202010384370.5A
Authority: CN
Inventors: 余仁卫
Original assignee: Hangzhou Kanghong Industry & Trade Co ltd
Current assignee: Hangzhou Kanghong Industry & Trade Co ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2020-09-08
Anticipated expiration: 2040-05-07
Also published as: CN111634549B

Abstract

The invention discloses a bottle cap with a built-in containing cabin, which comprises an inner cap, wherein a structure connected with a bottle opening is arranged below the inner cap, and the upper end and the lower end of the inner cap are both provided with openings; the pushing piece comprises a piston matched with the cross section of the inner cover in shape, and the piston can move downwards in the inner cover; the sealing element is in sealing fit with the lower end opening of the inner cover, and the sealing element is connected with the piston and synchronously descends; the inner cover, the pushing piece and the sealing piece are sealed and enclosed to form a containing chamber. The invention has the beneficial effects that: the bottle cap is internally provided with a containing cabin which can contain a material in a sealing way, and after the bottle cap is matched with the bottle body, the containing cabin can be safely and reliably opened, so that the material in the containing cabin falls into the bottle body.

Description

Bottle cap with built-in containing cabin

Technical Field

The invention relates to the field of packaging materials, in particular to a bottle cap with a built-in containing cabin, which is mainly applied to special packaging of cosmetics, medicines and the like to realize the function of independently packaging a material in the bottle cap.

Background

In the packaging container of cosmetics and medicines, some materials need to be packaged separately and mixed for use. The traditional method is to separately pack the two materials in two different containers, and a user mixes the two materials in one container during use. This has the problem that contamination is easily generated during the operation. Chinese patent document CN110371433A discloses "a two-material combined pressure pump bottle" in 2019, 10 and 25.s, which includes a bottle body, a pressure pump is cooperatively installed on the bottle body, a pump core of the pressure pump extends into the bottle body, a rigid suction pipe is vertically inserted into the lower end of the pump core, a pushing hole is penetratingly arranged at the bottom of the bottle body, and the lower end of the suction pipe is adapted to be inserted into the upper half part of the pushing hole; the upper end of the pushing rod is inserted in the lower half part of the pushing hole; a second material cavity part is fixed in the bottle body and is provided with a cavity with an opening at the upper end; a cavity cover is fixed on the suction pipe and is in matched sealing buckling with an opening at the upper end of the cavity of the second material cavity part; the upper end of the suction pipe is connected with the lower end of the pump core in a distance-variable structure, and the upward distance of the lower end of the suction pipe is greater than the length of the lower end of the suction pipe inserted in the pushing hole. The invention has the beneficial effects that: the smooth mixing of two materials is ensured from the structure, provides the press pump simultaneously so that the better mixed liquid of taking of user. Chinese patent document CN209889285U discloses a "powder and liquid combined push rod bottle" in 1 month and 3 months of 2020, which comprises a bottle body with openings at the upper end and the lower end, a middle cover is fixed above the inner side of the bottle body in a sealing way, a powder cavity is fixed on the lower end surface of the middle cover, the opening of the powder cavity is downward, and a vertically through cannula through hole is arranged in the middle of the middle cover; the inserting tube is inserted in the inserting tube through hole, and a clamping sealing structure is fixedly arranged at the lower end of the inserting tube and is clamped and sealed with the opening of the powder cavity from bottom to top; the upper end of the insertion tube is longitudinally lapped with the piston; a longitudinal piston cavity is arranged on the upper end face of the middle cover, and the piston slides longitudinally in the piston cavity under the pushing of external force; the piston cavity is connected with the interior of the bottle body below the middle cover through the insertion tube in an air mode. The invention has the beneficial effects that: the powder and the water aqua can be independently packaged and stored, the mixing of the powder and the water aqua can be facilitated before the use, and the mixed liquid can be conveniently used. Similar schemes are many, and the bottle body is taken as a first containing cabin, a second containing cabin is arranged in the first containing cabin, the second containing cabin is opened, so that materials in the second containing cabin fall into the first containing cabin, and the materials are mixed with the materials in the first containing cabin. In this type of conventional solution, the second compartment intrudes into the first compartment, which results in the occupied space of the first compartment. Meanwhile, materials in the second holding chamber and the first holding chamber are required to be filled into the first holding chamber together, so that the filling process is complex, the efficiency is low, and the loss of filling failure caused by misoperation is large.

Disclosure of Invention

Based on the above problems, the invention provides a bottle cap with a built-in containing chamber, wherein the containing chamber is arranged in the bottle cap, a material can be contained in the containing chamber in a sealing manner, and after the bottle cap is matched with a bottle body, the containing chamber can be opened safely and reliably, so that the material in the containing chamber falls into the bottle body.

In order to realize the purpose of the invention, the invention adopts the following technical scheme: a bottle cap with a built-in containing cabin comprises an inner cap, wherein a structure connected with a bottle opening is arranged below the inner cap, and the upper end and the lower end of the inner cap are both provided with openings; the pushing piece comprises a piston matched with the cross section of the inner cover in shape, and the piston can move downwards in the inner cover; the sealing element is in sealing fit with the lower end opening of the inner cover, and the sealing element is connected with the piston and synchronously descends; the inner cover, the pushing piece and the sealing piece are sealed and enclosed to form a containing chamber.

The bottle cap with the built-in containing chamber designed by the technical scheme comprises an inner cap. The inner cup below is equipped with the structure of being connected with the bottleneck, can be connected with the bottleneck through modes such as threaded connection, joint, can be separable connection, also can inseparable fixed connection, specifically by product design decision. The piston is arranged in the inner cover and is matched with the section shape of the containing chamber, so that the piston can slide up and down in the inner cover. The upper end opening of the inner cover is used for balancing the air pressure at the upper part of the piston, and the lower end opening of the inner cover is a material outlet and is in sealing fit with the sealing element. The sealing element is connected with the piston and synchronously descends. Such a connection may be a direct connection or an indirect connection. When the piston is in the initial position, the inner cover, the piston and the sealing element are sealed to form a sealed space, namely a cabin. The containing cabin is used for containing materials, which can be water or powder, and the containing cabin can well protect the materials in the containing cabin. Along with the piston is down, drives the sealing member and descends, and the descending result is that open inner cup lower extreme opening makes the material in the holding chamber fall into in the bottleneck of below under the action of gravity to the effect of material mixture in the realization and the bottle. There are many ways to move the piston down, either mechanically, such as by lever, balloon, screw propulsion, etc., electrically, or by direct manual dialing. The pushing piece and the sealing piece can be relatively independent and fixedly connected, and can also be integrally formed. In this structure, a material can be solitary filling in the holding cabin of bottle lid, and another kind material is then solitary filling in the bottle, and both are relatively independent, just combine bottle lid and bottle together before final encapsulation, therefore whole filling process is simpler more high-efficient, even the maloperation appears occasionally, can not cause the mixed pollution of two kinds of materials, produces serious loss.

Preferably, the piston further comprises a middle cover, the middle cover is sleeved outside the inner cover, the middle cover is provided with a gas passing hole, and the gas passing hole is communicated with the space above the piston. In this solution the middle cap is used to cover the outside of the inner cap to protect the moving structures in the inner cap from false triggering.

Preferably, an outer cover and a propelling structure are further arranged; the propulsion structure includes: the inner cover is provided with a propelling groove, and the propelling groove corresponds to the propelling convex edge in shape and position; the pushing convex edge is arranged in the pushing groove, and the upper end of the pushing convex edge is in lap joint with the limiting step; the outer cover is coaxial with the middle cover and can rotate automatically; the middle cover is fixedly connected with the pushing piece. This scheme has adopted spiral propulsion structure, when the enclosing cover is rotatory, advances the bead through spacing step and produces the propulsive force to advancing the well lid at recess place, makes the relative inner cup's of well lid position down. The middle cover moves downwards to drive the pushing piece to move downwards, and the effect of opening the lower end opening of the containing cabin is achieved.

Preferably, the end part of the limiting step is provided with a stop reminding structure. The stop reminding structure can be a concave point at the end part of the limit step, the upper end of the propulsion convex rib and the limit step slide relatively to form different handfeels, or can be two convex points which are respectively arranged on the outer cover and the middle cover, the end points of the two convex points slide relatively to form different handfeels, and a proper existing structure can be selected by a person skilled in the art according to actual needs.

Preferably, a key groove structure extending along the circumferential direction is arranged between the inner side wall of the outer cover and the outer side wall of the inner cover. The outer cap is coaxial with the middle cap, and the rotation of the outer cap with respect to this axis provides the desired technical effect, so it is necessary to keep the rotation of the outer cap with respect to the middle cap stable. For this purpose, a complementary keyway structure may be provided between the inner side wall of the outer cap and the outer side wall of the inner cap, the keys and grooves extending in the circumferential direction and being configured to guide the rotation of the outer cap when the outer cap is rotated.

Preferably, the lower end of the pushing piece is provided with a sealing piece mounting hole; the sealing element mounting hole is a blind hole with an opening at the lower end; the sealing member includes push rod and gasket, and the push rod upper end is pegged graft with the sealing member mounting hole, and the lower extreme is connected with the gasket. Because hold cabin lower extreme opening and be located the bottleneck department of bottle lid below, consequently the sealing member holds cabin lower extreme opening less, and the sealing member is connected with the impeller of top, and most all need pass the sealing member and hold cabin lower extreme opening, therefore need use the push rod that the diameter is thinner, and the push rod upper end is pegged graft with the sealing member mounting hole, and the lower extreme is fixed with the gasket.

Preferably, a reinforcing rib is connected between the outer side wall of the push rod and the top surface of the sealing piece. The push rod is thin, and the structure of the reinforcing rib can help to improve the stress degree of the push rod.

Preferably, the middle cover top wall is provided with a circle of inner mounting wall in a downward protruding mode, the pushing piece is correspondingly provided with an outer mounting wall, the inner mounting wall and the outer mounting wall are arranged in a sleeved mode and are arranged oppositely, mounting convex rings are arranged on the opposite surfaces of the inner mounting wall and the outer mounting wall in an annular protruding mode, and the two mounting convex rings form an axial mutual limiting relation. The scheme provides an assembly structure of the middle cover and the pushing piece. The mode that the inner mounting wall and the outer mounting wall are sleeved inside and outside is adopted, the most balanced stress structure can be formed, and the lateral inclination of the pushing piece during stress is avoided.

Preferably, the lower end of the inner side wall of the accommodating chamber is provided with a circle of concave sealing grooves, a circle of convex sealing ribs are correspondingly arranged on the sealing sheets, and the sealing ribs are adaptive to each other and clamped in the sealing grooves to form a sealing structure. In order to guarantee the sealing effect of the lower opening of the containing cabin, the scheme adopts the clamping effect of the circumferential ribs and the grooves, so that the filling is facilitated, and the sealing structure is reliably opened when the sealing device is used.

In conclusion, the beneficial effects of the invention are as follows: the bottle cap is internally provided with a containing cabin which can contain a material in a sealing way, and after the bottle cap is matched with the bottle body, the containing cabin can be safely and reliably opened, so that the material in the containing cabin falls into the bottle body.

Drawings

Figure 1 is an axial cross-sectional view of the present invention prior to initial use.

Fig. 2 is a schematic view of the structure of the inner lid.

Fig. 3 is a schematic structural view of the middle cap.

Fig. 4 is a schematic structural view of the outer cover.

FIG. 5 is a schematic view of the structure of the pusher.

Fig. 6 is a schematic view of the structure of the sealing member.

Fig. 7 is an axial cross-sectional view of the present invention after initial use.

Wherein: the sealing device comprises an outer cover 1, a limiting step 11, a stop point reminding structure 12, an annular groove 13, an inner cover 2, a pushing groove 21, an annular key 22, a containing chamber 3, a middle cover 4, an air passing hole 41, a pushing convex rib 42, an inner mounting wall 43, a pushing part 5, a piston 51, a sealing part mounting hole 52, an outer mounting wall 53, a sealing part 6, a push rod 61, a sealing piece 62 and a reinforcing rib 63.

Detailed Description

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

The embodiment is a bottle cap with a built-in containing chamber, which is matched with a bottle body for use. The bottle cap is internally and independently filled with powder, the bottle body is internally filled with liquid, and a consumer can operate the bottle by himself when the bottle is used for the first time, so that the powder falls into the bottle body and is mixed with the liquid to obtain the required mixed liquid.

As shown in fig. 1, the present capsule closure includes an inner cap 2 located at the innermost side. The inner part of the inner cover 2 is similar to a stepped hole, the upper part is a cylinder with larger diameter, and the lower part is a cylinder with smaller diameter. The upper cylinder is internally provided with a pushing piece 5, and the lower end opening of the lower cylinder is hermetically connected with a sealing piece 6. The inner cover 2, the pushing member 5 and the sealing member 6 are sealed and enclosed to form a containing chamber 3. The lower part of the inner cap 2 is provided with a structure connected with the bottle mouth, in this example, a threaded connection structure. When the lower part of the inner cap 2 is in threaded connection with the bottle mouth, a cylinder with a smaller diameter at the lower part of the inner cap 2 slightly extends into the bottle mouth.

As shown in fig. 5, the pusher 5 of this example comprises a central piston 51, the piston 51 being mounted in register with the inner wall of the upper larger diameter cylinder of the inner cap 2. The upper end of the piston 51 extends upwardly and is provided with an outer mounting wall 53 which is cylindrical. The lower end surface of the piston 51 extends downward to form a seal mounting hole 52. The seal mounting hole 52 is a blind hole opened at the lower end for connection with the seal 6. In this example, the seal mounting hole 52 is internally fitted with an adjustment rod (not shown) that matches the inner diameter of the seal mounting hole 52. The adjustment rod may be urged against the seal 6 so as not to retract into the bore. Changing the length of the adjustment rod may also serve to adjust the degree to which the seal 6 is opened.

As shown in fig. 6, the sealing member 6 of this embodiment includes a vertically disposed push rod 61, the upper end of the push rod 61 is inserted into the sealing member mounting hole 52, and the lower end is connected to a sealing sheet 62. The side wall of the sealing sheet 62 is provided with a convex sealing rib along the circumferential direction. Correspondingly, the lower end of the inner side wall of the accommodating chamber 3 is provided with a circle of concave sealing grooves, and the sealing ribs are clamped in the sealing grooves to form a sealing effect. The outer side wall of the push rod 61 and the top surface of the sealing sheet 62 are connected with reinforcing

ribs

63, 3 in the embodiment, which are arranged at equal angles on the circumference.

With continued reference to fig. 1, the outer side of the upper portion of the inner lid 2 is covered with a middle lid 4. The top of the middle cover is provided with a through air hole 41, and the air hole 41 is communicated to the space above the piston 51 of the inner cover 2, so that the area can ensure air pressure balance when the piston descends.

An outer cover 1 is also provided, and the outer cover 1 in this example is a cylinder with an upper end closed and a lower end opened and covers the middle cover 2. A propelling structure is also designed among the outer cover 1, the middle cover 2 and the inner cover 3.

As shown in fig. 2, the inner lid 2 of this embodiment is provided with a step at the junction of the upper cylinder and the lower cylinder of the corresponding compartment, the outer edge of the step is provided with an upwardly extending mating wall, and the mating wall is provided with pushing

grooves

21, 2 in this embodiment, symmetrically arranged on the circumference.

As shown in fig. 3, the upper and lower portions of the sidewall of the middle cap 4 are provided with the pushing ribs 42, and the pushing ribs 42 also extend longitudinally. When the middle cap 4 is covered on the outer side of the inner cap 2, the lower portion of the sidewall of the middle cap 4 is located between the sidewall of the inner cap and the mating wall, and the pushing projection 42 is fittingly inserted into the pushing recess 21. Referring also to fig. 1, a circle of inner mounting wall 43 is provided on the top wall of the middle cover 4 protruding downward, and forms a relatively inserted fixed connection relationship with the outer mounting wall 53 on the pushing member 5. Specifically, the inner mounting wall 43 and the outer mounting wall 53 are oppositely sleeved and arranged in an inner-outer mode, mounting convex rings are arranged on the opposite surfaces of the inner mounting wall and the outer mounting wall 53 of the inner mounting wall 43 and the outer mounting wall 53 in an annular protruding mode, the two mounting convex rings form an axial mutual limiting relation, and the middle cover 4 and the pushing piece 5 are fixedly connected through the structure.

As shown in fig. 4, the inner side wall of the outer cover is spirally provided with a raised limit step 11, which is a double step in this example, and is symmetrically arranged on the circumference. The two limit steps 11 correspond to one pushing ridge 42 respectively. The end part of the upper end of each propelling convex rib 42 is in smooth transition, and the limiting step is overlapped with the end part of the upper end of the propelling convex rib 42. The end of the limit step 11 is designed with a stop point reminding structure 12, which is a concave limit structure in this example.

A key groove structure extending along the circumferential direction is arranged between the inner side wall of the outer cover 1 and the outer side wall of the inner cover 2. As shown in fig. 2, an annular key 22 extending along the circumferential direction is designed on the outer side wall of the inner cap 2, and as shown in fig. 4, an annular groove 13 is correspondingly arranged on the inner side wall of the outer cap 1, and the annular groove and the annular key form a matching relationship. The outer cover 1 is coaxial with the inner cover 2, and the outer cover 1 is guided and limited by the key groove structure during rotation.

In the bottle cap with the built-in container, when the bottle cap is in an initial state as shown in fig. 1, materials are hermetically filled in the container 3, and the bottle cap is in threaded connection with a bottle body and then is normally stored, transported and sold. When a consumer takes a product for the first time, the consumer only needs to rotate the outer cover 1, and then the pushing action of the limiting step 11 on the pushing convex ribs 42 is realized to form the pushing force for pushing the middle cover 4 to move downwards. The middle cover 4 moves downwards to drive the pushing piece 5 to move downwards and drive the sealing piece 6 to move downwards. After the sealing element 6 moves downwards, the sealing structure between the sealing sheet 61 and the lower end opening of the container 3 is opened, and the material filled in the container 3 can fall into the bottle mouth from the lower end opening of the container 3 and is mixed with another material filled in the bottle body. The state at this time is shown in fig. 7.

Claims

1. A bottle cap with a built-in containing chamber is characterized by comprising:

the inner cover (2), the structure connected with the bottle mouth is arranged below the inner cover, and the upper end and the lower end of the inner cover are both open;

the pushing piece (5) comprises a piston (51) matched with the cross section shape of the inner cover, and the piston can move downwards in the inner cover;

the sealing element (6) is in sealing fit with the lower end opening of the inner cover, and is connected with the piston and synchronously descends;

the inner cover, the pushing piece and the sealing piece are sealed and enclosed to form a containing chamber (3).

2. The bottle cap with the built-in cabin is characterized by further comprising a middle cap (4), wherein the middle cap is sleeved outside the inner cap, and the middle cap is provided with a gas passing hole (41) which is communicated with a space above the piston.

3. A capsule cap according to claim 2, further comprising an outer cap (1) and a pushing structure; the propulsion structure includes: the inner side wall of the outer cover is spirally provided with a raised limiting step (11), the outer side wall of the middle cover is provided with a propelling convex edge (42), the propelling convex edge is raised on the outer side wall of the middle cover, the length of the propelling convex edge extends along the axial direction, the inner cover is provided with a propelling groove (21), and the shape and the position of the propelling groove correspond to the shape and the position of the propelling convex edge; the pushing convex edge is arranged in the pushing groove, and the upper end of the pushing convex edge is in lap joint with the limiting step; the outer cover is coaxial with the inner cover, and the outer cover can rotate; the middle cover is fixedly connected with the pushing piece.

4. The bottle cap with a built-in container as claimed in claim 3, wherein the end of the limit step is provided with a stop reminding structure.

5. The bottle cap with built-in capsule of claim 3 or 4, wherein a key groove structure extending in a circumferential direction is provided between an inner sidewall of the outer cap and an outer sidewall of the inner cap.

6. A built-in capsule lid as claimed in claim 2 or 3, wherein the lower end of the push member is provided with a sealing member mounting hole (52); the sealing element mounting hole is a blind hole with an opening at the lower end; the sealing member includes push rod (61) and gasket (62), and the push rod upper end is pegged graft with the sealing member mounting hole, and the lower extreme is connected with the gasket.

7. The bottle cap with built-in container as claimed in claim 6, wherein a reinforcing rib (63) is connected between the outer sidewall of the push rod and the top surface of the sealing piece.

8. A capsule according to claim 3, wherein the top wall of the intermediate cap is provided with a downwardly projecting inner mounting wall (43), the pusher is correspondingly provided with an outer mounting wall (53), the inner and outer mounting walls are arranged in a nested and opposed relationship, and the annular projections are provided on the opposed surfaces of the inner and outer mounting walls, and are in an axially spaced relationship.

9. The bottle cap with the built-in storage chamber as claimed in claim 6, wherein the lower end of the inner side wall of the storage chamber is provided with a circle of concave sealing groove, the sealing sheet is correspondingly provided with a circle of convex sealing rib, and the sealing rib is fittingly clamped in the sealing groove to form a sealing structure.