CN215476946U - Semi-built-in bottle cap structure with powder bin - Google Patents

Abstract

The utility model discloses a semi-built-in bottle cap structure with a powder bin, which comprises a lower cap which can be fixedly connected with a bottle opening, wherein the lower cap is in a cylinder shape which is communicated up and down; the middle cover is provided with a guide post hole in a run-through manner, and the guide post is in sealing fit with the guide post hole and runs through the guide post hole to move up and down; the lower end of the guide post is connected with the powder bin cover. The utility model has the beneficial effects that: the mode of directly pushing and opening the powder bin is used, so that the frictional resistance is reduced, and the use is facilitated.

Description

Semi-built-in bottle cap structure with powder bin

Technical Field

The utility model relates to the field of packaging, in particular to a semi-built-in bottle cap structure with a powder bin.

Background

Chinese patent document CN111634549A discloses "a bottle cap with a built-in container cabin" in 9/8/2020, which includes an inner cap, a structure connected to a bottle mouth is provided below the inner cap, and the upper and lower ends of the inner cap are open; 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 utility model 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. In the technical scheme, the piston is used for pushing, the outer side surface of the piston is in close contact with the inner side surface of the side wall of the powder bin, and the contact surface is large, so that the friction force is also large, and the piston needs to be matched with a spiral pushing mechanism to act. Even so, for women, still have the problem that power is great, awkward.

Disclosure of Invention

Based on the problems, the utility model provides a semi-built-in bottle cap structure with a powder bin, which reduces the friction resistance and is convenient to use by using a mode of directly pushing to open the powder bin.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: a semi-built-in bottle cap structure with a powder bin comprises a lower cap which can be fixedly connected with a bottle mouth, wherein the lower cap is in a cylinder shape which is communicated up and down, an upper end opening of the lower cap is fixedly connected with a middle cap in a sealing way, and a lower end opening of the lower cap is detachably and hermetically connected with a powder bin cover; the middle cover is provided with a guide post hole in a run-through manner, and the guide post is in sealing fit with the guide post hole and runs through the guide post hole to move up and down; the lower end of the guide post is connected with the powder bin cover.

The semi-built-in bottle cap structure with the powder bin designed by the technical scheme comprises a lower cap, wherein the lower cap is in sealable connection with a bottle opening, and the connection can be in a thread type which can be opened or a clamping type which cannot be opened. The lower cover is in a cylinder shape with openings at the upper end and the lower end, and the outer side wall of the powder bin is formed. The upper end opening of the lower cover is fixedly connected with a middle cover in a sealing mode, and the middle cover forms an upper sealing element of the powder bin. The lower end opening of the lower cover is detachably connected with a powder bin cover in a sealing way, and the powder bin cover forms a lower sealing piece of the powder bin. The lower cover, the middle cover and the powder bin cover form a completely sealed powder bin, and powder can be stored in the powder bin. The middle cover is provided with a guide post hole in a run-through manner, a guide post is arranged in the guide post hole in a sealing and matching manner, and the guide post can slide up and down in the guide post hole. The lower end of the guide post is connected with the powder bin cover, so that the guide post can be pushed downwards to open the powder bin cover when in use, and the stored powder falls into the bottle to be mixed with the water aqua in the bottle for later use. The position of the powder bin can be outside the bottle mouth, can also be inside the bottle mouth, can also be partially outside the bottle mouth inside the bottle mouth, and can be determined according to design requirements. On the premise of ensuring the force transmission effect of the guide pillar, the guide pillar hole is fine, and the friction surface can be reduced as much as possible, so that the friction resistance is reduced, and the use is convenient. According to different requirements of manufacturing and assembling processes, the guide pillar can be a single part, or can be formed by sequentially connecting two or more sections in the axial direction.

Preferably, the middle cover is also provided with a liquid outlet hole in a penetrating way. The liquid outlet hole is communicated with the middle cover, namely communicated with the inside and the outside of the powder bin. After the powder bin cover is opened in the first use, the mixed liquid in the bottle can be guided out of the bottle through the powder bin and the liquid outlet hole, and the bottle cover does not need to be opened, so that the powder bin cover is convenient to use.

Preferably, the middle cover is provided with an upper cover, the lower end face of the upper cover is connected with a liquid outlet hole plug, and the liquid outlet hole plug is in sealed insertion connection with the liquid outlet hole. The upper cover is usually matched with the middle cover or the lower cover, such as a snap-in type, a screw-in type, a flip-over type, etc. The lower end face of the upper cover is connected with the liquid outlet hole plug, when the upper cover is not in use, the upper cover is reset, and the liquid outlet hole plug plugs the liquid outlet hole, so that the inside and outside circulation of the bottle is avoided.

Preferably, when the liquid outlet hole plug is in sealed insertion connection with the liquid outlet hole, the lower end of the liquid outlet hole plug extends out of the lower end of the liquid outlet hole, and a circle of convex liquid outlet hole plug convex ring is arranged at the lower end of the outer side surface of the liquid outlet hole plug. When the liquid outlet hole plug plugs the liquid outlet hole, the liquid outlet hole plug convex ring forms a limiting structure for the upward movement of the liquid outlet hole plug, and the liquid outlet hole plug can be pulled out only by overcoming certain force. This design is intended to prevent accidental operation.

Preferably, a guide pillar positioning ring is convexly arranged on the outer side wall of the guide pillar, a guide pillar hole positioning groove is concavely arranged on the hole wall of the guide pillar hole, and the guide pillar positioning ring is clamped with the guide pillar hole positioning groove in a matched manner; the guide post hole positioning grooves are arranged up and down, and the adaptive clamping positions of the guide post positioning ring and the upper and lower guide post hole positioning grooves correspond to the initial position and the final position of the downward sliding of the guide post. The guide pillar locating ring protrudes outwards on the outer side wall of the guide pillar, the guide pillar hole locating groove is inwards concave on the hole wall of the guide pillar hole, and the guide pillar locating ring and the guide pillar hole locating groove form a matching relation. The guide pillar hole locating grooves are two, the upper position and the lower position correspond to the initial position and the final position of the downward sliding of the guide pillar, so that a user can have clear hand feeling when pressing the guide pillar, and the inspiration and the termination of the pressing action are definitely known. The positions and the number of the positioning rings and the positioning grooves can be interchanged according to design requirements.

Preferably, the guide post hole is a stepped hole with a large upper part and a small lower part, the guide post is a stepped rod, and the stepped shape and the size of the stepped rod are matched with those of the stepped hole of the guide post hole. Through shoulder hole and ladder pole, make the descending terminal point of guide pillar form spacingly, can not be excessive when guaranteeing to press.

Preferably, a convex guide pillar limiting ring is arranged on the outer side wall of the guide pillar, and when the guide pillar is located at the initial position of downward sliding, the guide pillar limiting ring is abutted to the upper portion of the stepped surface of the guide pillar hole. The design ensures that the guide pillar needs to overcome the resistance caused by interference fit between the guide pillar limiting ring and the upper end of the stepped surface of the guide pillar hole in the initial stage of downward sliding, and is mainly used for preventing accidental operation.

Preferably, the upper end of the guide post is provided with a guide post limiting edge protruding along the radial direction, and the guide post limiting edge and the upper end face of the guide post hole form a limiting relation. This design also forms spacingly to the descending terminal point of guide pillar, can not be excessive when guaranteeing to press.

Preferably, a concave guide post limiting edge matching pit is arranged beside the upper end face of the guide post hole of the middle cover, and the position, shape and size of the guide post limiting edge matching pit correspond to those of the guide post limiting edge in a matching mode. The guide pillar limiting edge matching pit is designed above the middle cover, the guide pillar limiting edge can be completely embedded in the guide pillar limiting edge matching pit after use, and possible interference during use of subsequent pouring of mixed liquid is eliminated.

Preferably, a guide pillar lower limiting ring is convexly arranged below the outer side wall of the guide pillar, and the outer diameter of the guide pillar lower limiting ring is larger than the aperture of the opening at the lower end of the guide pillar hole; when the guide post is pressed down to the final position, the lower limit ring of the guide post is tightly close to the lower opening of the lower end of the guide post hole. In general, after the powder bin is opened and the powder falls into the aqua, the bottle can be shaken properly to accelerate the dissolution of the powder and the formation of the mixed liquid. The lower limit ring of guide pillar purpose in this scheme is to prevent that the guide pillar from upwards returning when rocking, leading to powder storehouse lower extreme opening closed again, consequently can guarantee that the play liquid of mixed liquid is smooth and easy.

In conclusion, the beneficial effects of the utility model are as follows: the mode of directly pushing and opening the powder bin is used, so that the frictional resistance is reduced, and the use is facilitated.

Drawings

Figure 1 is an axial cross-sectional view of the utility model prior to use.

Fig. 2 is an enlarged view of a portion a of fig. 1.

Fig. 3 is an axial cross-sectional view of another cross-section of the present invention after use.

Fig. 4 is an enlarged view of a portion B of fig. 3.

Wherein: 1 upper cover, 11 go out the liquid hole stopper, 111 go out liquid hole stopper convex circle, 2 middle cover, 21 guide pillar spacing limit cooperation pit, 22 go out the liquid hole, 23 guide pillar hole, 231 guide pillar hole constant head tank, 3 lower cover, 4 upper guide pillars, 41 guide pillar spacing limits, 42 guide pillar position circle, 5 lower guide pillars, 51 guide pillar spacing circle, 52 guide pillar lower spacing ring, 6 powder storehouse lid, 9 bottles, 91 bottleneck.

Detailed Description

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

The embodiment is a semi-built-in bottle cap structure with a powder bin, which is applied to the packaging of certain cosmetics. The cosmetic product comprises powder and aqua packaged independently of each other at initial packaging, the aqua is packaged in bottle 9, and the powder is packaged in bottle cap.

As shown in figure 1, the semi-built-in bottle cap structure with the powder bin comprises a lower cap 3 at the lowest part, wherein the lower cap 3 is provided with an outward turned flange, and the flange is connected with a bottle mouth 91 in a sealing manner through threads. The lower cap 3 is cylindrical, with an upper portion above the mouth 91 and a lower portion extending into the mouth 91. The opening at the upper end of the lower cover 3 is connected with a middle cover 2 in a sealing way through a threaded connection. The lower end opening of the lower cover 3 is hermetically connected with an openable powder bin cover 6. The lower cover 3, the middle cover 2 and the powder bin cover 6 surround to form a sealed powder bin. Referring to fig. 2, a guide post hole 23 is formed in the middle of the middle cover 2 in a vertically through manner, a guide post is hermetically sleeved in the guide post hole 23 and can slide downwards, the upper end of the guide post is exposed on the upper end face of the middle cover 2, and the lower end of the guide post is connected with the powder bin cover 6. In this example, the guide post is divided into an upper guide post 4 and a lower guide post 5 for convenience of manufacture and filling, and the lower end of the upper guide post 4 abuts against the upper end of the lower guide post 5. In this example, an upper cover 1 connected with the middle cover 2 is also provided, and the upper cover 1 is a turnover cover.

As shown in fig. 4, a liquid outlet 22 is formed through the side of the middle cap 2. On the lower terminal surface of upper cover 1, the corresponding position is provided with liquid outlet hole stopper 11, and liquid outlet hole stopper 11 downwardly extending can the sealed grafting of adaptation in liquid outlet hole 22. The length of the liquid outlet hole plug 11 is slightly longer than the depth of the liquid outlet hole 22, and a ring of liquid outlet hole plug convex ring 111 is convexly arranged at the lower end of the outer side surface of the liquid outlet hole plug 11. The outer diameter of the liquid outlet hole plug convex ring 111 is slightly larger than the aperture of the liquid outlet hole 22, so that an accident prevention structure is formed.

As shown in fig. 2, a circle of guide post positioning ring 42 protruding outwards is arranged on the outer side wall of the upper guide post 4; correspondingly, an upper guide column hole positioning groove 231 and a lower guide column hole positioning groove 231 are arranged on the hole wall of the guide column hole 23, and the guide column hole positioning grooves 231 and the guide column positioning ring 42 form a clamping relation of positioning adaptation and correspond to the initial position and the final position of the downward sliding action of the upper guide column 4.

The guide post hole 23 is a stepped hole with a large upper part and a small lower part, the guide post is also a matched stepped rod, and the stepped shape and size of the stepped rod are matched with those of the stepped hole of the guide post hole. In this example, the main body of the upper guide post 4 corresponds to the upper dimension of the stepped hole, the platform at the upper end of the lower guide post 5 is adapted to the upper dimension of the stepped hole, and the main body below the platform corresponds to the lower dimension of the stepped hole. When the upper guide post 4 pushes the lower guide post 5 to slide downwards, the final position of the sliding downwards is the position of the platform at the upper end of the lower guide post 5 contacting with the step surface.

The uppermost end of the outer side wall of the lower guide pillar 5 is provided with a circle of guide pillar limiting ring 51 in a protruding mode, and the position of the guide pillar limiting ring 51 is on the upper edge of the stepped surface when the lower guide pillar 5 is at the initial position of downward sliding. And after the lower guide post 5 slides downwards to the final position, the guide post limiting ring 51 is positioned below the lower end surface of the guide post hole 23. A circle of guide pillar lower limiting ring 52 is convexly arranged in the middle of the outer side wall of the lower guide pillar, when the lower guide pillar 5 is located at the initial position of the downward sliding motion, the guide pillar lower limiting ring 52 is located at the lower edge of the upper section of the stepped hole of the guide pillar hole 23, and after the downward sliding of the lower guide pillar 5 is finished, the guide pillar lower limiting ring 52 is close to the lower part of the lower end opening of the guide pillar hole 23 and used for preventing the lower guide pillar 5 from returning upwards and causing the lower end opening of the powder bin to be closed again.

The upper end of the upper guide post 4 is provided with a guide post limiting edge 41 which is outwards protruded along the radial direction, the upper end surface of the middle cover 2 is correspondingly provided with a guide post limiting edge matching pit 21, and the position, the shape and the size of the guide post limiting edge matching pit 21 correspond to the guide post limiting edge 41 in a matching manner.

The use action process of the semi-built-in bottle cap structure with the powder bin of the embodiment is as follows:

referring to fig. 1 and 2 in an initial state, at this time, the upper guide post 4 and the lower guide post 5 are both located above, the powder bin cover 6 is sealed at the lower end opening of the lower cover 3, the whole powder bin is in a sealed state, and the powder is independently packaged in the powder bin.

When the powder storage bin is used for the first time, a consumer opens the upper cover 1, exposes the upper end faces of the middle cover 2 and the upper guide pillar 4, presses the upper end face of the upper guide pillar 4 at the moment, enables the upper guide pillar 4 and the lower guide pillar 5 to slide downwards along the guide pillar hole 23, opens the powder bin cover 6, enables powder to fall into the bottle 9, mixes the powder with water aqua in the bottle 9 to form mixed liquid, and then can take out the mixed liquid through the liquid outlet hole 22 for use. After use, the upper cover 1 is closed and the liquid outlet 22 is closed. The state at this time is shown in fig. 3 and 4.

Claims (10)

1. A semi-built-in bottle cap structure with a powder bin comprises a lower cap (3) which can be fixedly connected with a bottle mouth (91), and is characterized in that the lower cap (3) is in a cylindrical shape which is communicated up and down, an upper end opening of the lower cap (3) is fixedly connected with a middle cap (2) in a sealing way, and a lower end opening of the lower cap (3) is detachably and hermetically connected with a powder bin cap (6); a guide post hole (23) is penetratingly arranged on the middle cover (2), and the guide post is penetratingly matched in the guide post hole (23) in a sealing manner and can move up and down; the lower end of the guide post is connected with a powder bin cover (6).

2. The semi-built-in bottle cap structure with the powder bin as claimed in claim 1, wherein the middle cap (2) is further provided with a liquid outlet hole (22) in a through manner.

3. The semi-built-in bottle cap structure with the powder bin as claimed in claim 2, wherein the middle cap (2) is provided with an upper cap (1), the lower end surface of the upper cap (1) is connected with a liquid outlet hole plug (11), and the liquid outlet hole plug (11) is in sealed insertion connection with the liquid outlet hole (22).

4. The semi-built-in bottle cap structure with the powder bin as claimed in claim 3, wherein when the liquid outlet hole plug (11) is hermetically inserted with the liquid outlet hole (24), the lower end of the liquid outlet hole plug (11) extends out of the lower end of the liquid outlet hole (22), and a circle of convex liquid outlet hole plug convex ring (111) is arranged at the lower end of the outer side surface of the liquid outlet hole plug (11).

5. The semi-built-in bottle cap structure with the powder bin as claimed in claim 1, 2, 3 or 4, wherein a guide post positioning ring (42) is convexly arranged on the outer side wall of the guide post, a guide post hole positioning groove (231) is concavely arranged on the wall of the guide post hole (23), and the guide post positioning ring (42) is in fit clamping connection with the guide post hole positioning groove (231); the guide post hole positioning grooves (231) are arranged up and down, and the adaptive clamping positions of the guide post positioning ring (42) and the upper and lower guide post hole positioning grooves (231) correspond to the initial position and the final position of the downward sliding of the guide post.

6. The semi-built-in bottle cap structure with powder bin as claimed in claim 1, 2, 3 or 4, wherein the guide post hole (23) is a stepped hole with a large top and a small bottom, the guide post is a stepped rod, and the stepped shape and size of the stepped rod are matched with those of the stepped hole of the guide post hole.

7. The semi-built-in bottle cap structure with powder bin as claimed in claim 6, wherein the outer side wall of the guide post is provided with a raised guide post limiting ring (51), and when the guide post is in the initial position of downward sliding, the guide post limiting ring (51) abuts against the step surface of the guide post hole (23).

8. The semi-built-in bottle cap structure with powder bin as claimed in claim 1, 2, 3 or 4, wherein the upper end of the guide post is provided with a guide post limiting edge (41) protruding in the radial direction, and the guide post limiting edge (41) and the upper end surface of the guide post hole (23) form a limiting relationship.

9. The semi-built-in bottle cap structure with the powder bin as claimed in claim 8, wherein a concave guide post limiting edge matching pit (21) is formed beside the upper end face of the guide post hole (23) of the middle cap, and the position, shape and size of the guide post limiting edge matching pit (21) are matched with those of the guide post limiting edge (41).

10. The semi-built-in bottle cap structure with the powder bin as claimed in claim 1, 2, 3 or 4, wherein a guide post lower limiting ring (52) is convexly arranged below the outer side wall of the guide post, and the outer diameter of the guide post lower limiting ring (52) is larger than the aperture of the lower end opening of the guide post hole (23); when the guide post is pressed down to the final position, the guide post lower limit ring (52) is abutted under the lower end opening of the guide post hole (23).

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