CN209889285U

CN209889285U - Powder and liquid combined push rod bottle

Info

Publication number: CN209889285U
Application number: CN201920440121.6U
Authority: CN
Inventors: 张炜
Original assignee: Hangzhou Kanghong Industry & Trade Co Ltd
Current assignee: Hangzhou Kanghong Industry & Trade Co Ltd
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2020-01-03
Anticipated expiration: 2029-04-02

Abstract

The utility model discloses a powder and liquid combined push rod bottle, which comprises a bottle body with an upper end and a lower end which are both opened, wherein a middle cover is hermetically fixed above the inner side of the bottle body, a powder cavity is fixed on the lower end surface of the middle cover, the powder cavity is downward opened, and a vertically through-going intubation through hole is arranged in the middle part 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 utility model has the advantages 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.

Description

Powder and liquid combined push rod bottle

Technical Field

The utility model belongs to the packaging container field specifically is a powder liquid attaches together push rod bottle.

Background

The cosmetics mainly comprise two series of color cosmetics and maintenance, wherein the maintenance series is mostly paste or liquid, such as face cream, moisturizing water and the like. With the technical progress, a new substance form is generated in the cosmetic maintenance series: the powder is stored separately in water aqua before use and is dissolved in water aqua before use. The packaging mode is similar to the packaging of medical penicillin for intramuscular injection for many years ago: the penicillin is powder, the penicillin is packaged in a sealed ampoule, the distilled water is an aqueous solution, the penicillin is packaged in an aqueous solution ampoule, the aqueous solution ampoule is opened when the penicillin is used, the distilled water is extracted by a syringe and then transferred into the ampoule, the penicillin is mixed with the penicillin powder, and the solution is extracted for use after the penicillin is dissolved uniformly. Chinese patent document CN206218474U discloses "bottle cap with separable dropper" in 2017, 6.6.8, the dropper is fixed on the dropper cap; an inwards concave dropper cover clamping groove is annularly formed in the side wall of the circular table of the dropper cover; a through hole is formed in the center of the inner support of the dropper, and a dropper handle mounting hole is formed in the side wall of the through hole; each dropper gripper mounting hole is provided with a dropper gripper in a matched manner, the upper end of the dropper gripper is provided with a gripper convex rib, and when the dropper gripper is in a gripping state, each gripper convex rib is in matched clamping connection with the dropper cover clamping groove; the mass center of gravity of the dropper hand is positioned at the outer side; the outer side wall of the inner dropper support is also provided with a positioning handle; an outer cover guide groove is formed in the inner wall of the outer cover and is in the vertical direction; the inner cover is provided with a guide hole extending spirally, the positioning handle penetrates through the guide hole, and the free end of the handle is inserted into the guide groove of the outer cover. The utility model discloses a beneficial effect is: the function of sealing the bottle mouth of the bottle cap is reserved, the dropper can be conveniently used, the dropper can be operated by one hand, and the dropper is particularly convenient for disabled people to use. For the technical scheme, the problems of storage and use of the powder dissolved in the water aqua can be solved, and the problem of independent package and storage of the powder and the water aqua can not be solved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the problem that needs to solve is, current packing material can't realize simultaneously that the independent packing of powder and water agent is preserved and mixed packing preserves these two kinds of functions to a powder liquid attaches together the push rod bottle, can independently pack and preserve powder and water agent, can use the place ahead just mix between them, and the use that can be convenient is mixed liquid.

The powder and liquid combined push rod bottle of the scheme has the advantages that the liquid agent and the mixed liquid are always positioned below the bottle body under the action of gravity, so that the definition of the direction in the following is that the direction of gravity is taken as the lower direction.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a powder and liquid combined push rod bottle comprises a bottle body with openings at the upper end and the lower end, a middle cover is hermetically fixed above the inner side of the bottle body, a powder cavity is fixed on the lower end face of the middle cover, the powder cavity is downward in opening, and a vertically through cannula through hole is formed 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.

In this technical scheme, the bottle that all opens of lower extreme has been used. Generally, the lower end of the pipe may be a convergent shape to control the extrusion direction of the mixed liquid; if necessary, the lower opening may be provided with a closable sealing structure such as a plug or a lid, or a sealing structure which is sealed when packaged and opened again when used. The cross section of the bottle body can be in a circular shape, and can also be in regular shapes such as a regular polygon, an ellipse and the like. A middle cover is hermetically fixed above the inner side of the bottle body and is hermetically connected with the inner side of the bottle body by a method or a structure which is well known to those skilled in the art. The lower end face of the middle cover is provided with a powder cavity, the shape of the powder cavity is not limited, and if the cross sections of the bottle body and the middle cover are circular, the powder cavity can be in an annular shape. But the opening of the annular powder chamber is downward. The upper end face of the middle cover is provided with a longitudinal piston cavity, and the piston slides longitudinally in the piston cavity under the pushing of external force. The middle part of the middle cover is provided with a longitudinally through intubation through hole, and the intubation is inserted in the intubation through hole. The insertion tube of the scheme has two functions: one of them, the intubate lower extreme is fixed with joint seal structure, and joint seal structure is sealed with the opening card machine in powder chamber, forms the sealed to the powder chamber, intubate upper end and piston overlap joint, and the piston can drive the intubate down when down, makes the opening separation in joint seal structure and powder chamber, and the powder in the powder intracavity can fall to the bottle in the aqueous medium, forms mixed liquid for use. And secondly, the intubation tube is hollow and can be used for communicating the interior of the bottle body below with the piston cavity above the middle cover, when the piston descends, the air pressure in the piston cavity rises, the pressure is transmitted into the bottle body below the middle cover through the intubation tube, and the mixed liquid is extruded from the opening at the lower end of the bottle body. By the design of the scheme, the powder is sealed in the powder cavity at the standby stage, the water aqua is stored in the bottle body, and the two are independently packaged and stored; when the powder bottle is used, the piston is pressed once as required, the powder bottle can be opened to form mixed liquid, and the mixed liquid can be extruded for use by further pressing the piston.

Preferably, the piston is fixedly connected with the upper cover, and the upper cover is provided with a structure convenient for push-pull operation. Although the piston can move along the piston cavity, the piston is difficult to move by directly operating, so that the upper cover and the piston are fixedly connected, for example, clamping, bonding and the like are designed, and the piston is conveniently controlled to ascend and descend by the upper cover.

Preferably, a spring is abutted between the middle cover and the upper cover, and the spring has a vertical direction of elastic force. The spring is used for realizing the automatic upward return of the piston.

Preferably, the lower end face of the upper cover extends downwards to form a circle of upper limiting ring of the spring, and the upper end face of the middle cover extends upwards to form a circle of lower limiting ring of the spring; the spring is a spiral spring, and two ends of the spring are respectively matched with the upper limiting ring and the lower limiting ring of the spring in a sleeved mode. This solution provides a positioning for the helical spring. The length of the limiting ring on the spring can be designed as required to limit the compression degree of the spring.

Preferably, the outer side wall of the upper limiting ring of the spring is provided with a longitudinal limiting structure, and the upper relative limiting is realized through the limiting structure and the bottle body. The scheme limits the upper cover at the upper dead point which is pushed by the spring reset elasticity to move upwards. Generally, the outer side wall of the limiting ring on the spring can be designed with a limiting rib, a limiting ring and other structures, and the inner side wall of the bottle body or other structures fixed with the bottle body are designed with corresponding limiting structures to realize the purpose, and the design needs are determined by those skilled in the art.

Preferably, a piston skirt supporting rib is arranged on the side wall of the piston in a laterally extending mode, and the end part of the piston skirt supporting rib is respectively connected with an upper piston skirt and a lower piston skirt upwards and downwards; the piston skirt support rib, the upper piston skirt and the lower piston skirt are all made of elastic materials, and the upper piston skirt and the lower piston skirt are tightly attached to the inner side wall of the piston cavity under the action of elasticity. The piston skirt support rib, the upper piston skirt and the lower piston skirt form a Y-shaped structure, and a good sealing effect is achieved on the premise of good elasticity.

Preferably, a bottle cap is further arranged; the lower end of the bottle body is hermetically connected with the bottle cap in a threaded mode. In order to conveniently store the water agent and the mixed liquid, the lower end of the bottle body is sealed by a bottle cap.

Preferably, the bottle cap is provided with a sealing head which protrudes upwards, the sealing head is made of elastic materials, and the outer diameter size of the sealing head is in interference fit with the inner diameter size of the lower end opening of the bottle body. The design structure of the sealing head can improve the sealing effect of the lower end opening of the bottle body.

Preferably, the bottle cover is further convexly provided with a circle of bottle mouth positioning ring, and the inner diameter of the bottle mouth positioning ring is matched with the outer diameter of the lower end opening of the bottle body. The bottle mouth positioning ring can help the bottle cap to be aligned with the bottle mouth. The effect is particularly good when the lower end opening of the bottle body is in a convergent shape.

Preferably, a safety sheath made of rigid materials is further arranged; the upper cover is provided with a safety sheath limiting ring which extends radially, the safety sheath is detachably sleeved outside the upper cover and below the safety sheath limiting ring, and the height of the safety sheath limiting ring is matched with the effective stroke of the safety sheath limiting ring in longitudinal reciprocating motion. The safety sheath is a safety device, when the safety sheath is sleeved outside the upper cover and below the safety sheath limiting ring, the upper cover is limited and cannot move downwards, the sealing state of the powder cavity is guaranteed not to be damaged, and misoperation can be effectively prevented. When in normal use, the safety sheath is taken down to remove the safety, and the normal operation can be realized.

To sum up, the beneficial effects of the utility model are 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.

Drawings

Fig. 1 is a schematic axial section of the present invention.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is an enlarged view of a portion a of fig. 1.

Fig. 4 is an axial sectional view of the upper cover.

Fig. 5 is a schematic axial cross-section of the piston.

Fig. 6 is an axial sectional view of the middle ring.

Fig. 7 is a schematic axial section through a closure.

Wherein: 1 upper cover, 2 pistons, 3 safety sheaths, 4 middle rings, 5 springs, 6 middle covers, 7 gaskets, 8 insertion tubes, 9 bottle bodies, 10 bottle covers, 11 upper spring limiting rings, 12 inner plug clamping rings, 13 safety sheath limiting rings, 21 piston skirt supporting ribs, 22 upper piston skirts, 23 lower piston skirts, 61 powder cavities, 62 insertion tube through holes, 63 piston cavities, 64 lower spring limiting rings, 101 sealing heads and 102 bottle mouth positioning rings.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

The embodiment shown in fig. 1 and 2 is a powder-liquid combined push rod bottle. The push rod bottle for powder and liquid combination comprises a bottle body 9 which is cylindrical in shape, has a converging opening at the lower end and is provided with a bottle cap 10 which is matched with the lower end of the bottle body in a threaded manner so as to close the lower opening of the bottle opening.

As shown in fig. 3, a middle cover 6 is arranged above the inner side of the bottle body, a circle of flanging is arranged on the middle cover, the flanging is matched and buckled on the upper end face of the upper end opening of the bottle body, a middle ring 4 is sleeved outside the bottle body in a clamping manner to fix the middle ring and the bottle body, and a gasket 7 is arranged between the flanging of the middle cover and the upper end face of the upper end opening of the bottle body to avoid seepage.

As shown in fig. 6, a powder cavity 61 is fixed on the lower end surface of the middle cover, and the powder cavity is annular and is opened downwards in the example. The middle part of the middle cover is provided with a vertically through cannula through hole 62. The upper end face of the middle cover is provided with a longitudinal piston cavity 63. The upper end surface of the middle cover extends upwards and is provided with a ring of lower spring limiting ring 64.

The inserting tube 8 is inserted into the inserting tube through hole, in this example, the lower end of the inserting tube is fixedly provided with a clamping sealing cover, and the clamping sealing is realized with the opening of the powder cavity from bottom to top.

As shown in fig. 5, a skirt support rib 21 is provided on the side wall of the piston and extends laterally, and the end of the skirt support rib is connected with an upper skirt 22 and a lower skirt 23 upward and downward respectively; the piston skirt support rib, the upper piston skirt and the lower piston skirt are all made of LDPE materials with certain elasticity, and the upper piston skirt and the lower piston skirt are tightly attached to the inner side wall of the piston cavity under the action of the elasticity. The piston can slide up and down in the piston cavity under the pushing of external force. The lower end face of the piston is lapped on the upper end face of the insertion pipe. The upper part of the piston is fixed with the upper cover 1.

As shown in fig. 4, a convex column is provided in the middle of the upper cover protruding downwards, an inner plug clamping ring 12 is provided on the convex column outer side wall, and the inner plug clamping ring is clamped with the clamping groove on the inner side wall in the blind hole at the upper end of the piston, so that the piston is fixedly connected with the upper cover. The end of the upper cover extends along the radial direction to form a safety sheath limiting ring 13 which is convenient for a user to push and pull. The lower end surface of the upper cover extends downwards and is provided with a circle of upper limiting ring 11 of a spring. The lateral wall of the limiting ring on the spring is provided with a longitudinal limiting structure, and the limiting structure and the bottle body realize upward relative limiting. In this example, the longitudinal limiting structure is arranged on the outer side wall of the upper limiting ring of the spring and is a convex rib, the upper edge of the convex rib is a plane, and the plane is correspondingly arranged below the inner ring edge of the middle ring to limit the upward movement stroke of the upper cover relative to the bottle body.

A spring 5 is abutted between the middle cover and the upper cover, a spiral spring is used in the embodiment, the upper end of the spiral spring is sleeved in the upper limiting ring of the spring in a matching mode, and the lower end of the spiral spring is sleeved outside the lower limiting ring of the spring in a matching mode.

As shown in fig. 7, the bottle cap is coupled to the bottle body by means of a screw. The middle part of the end face of the bottle cap is provided with a sealing head 101 in an upward protruding mode, the sealing head is made of elastic LDPE materials, and the outer diameter size of the sealing head is in interference fit with the inner diameter size of the lower end opening of the bottle body. After the bottle cap and the bottle body are screwed, the sealing head can be tightly inserted into the opening at the lower end of the bottle body, so that a good sealing effect is realized. The outside of the sealing head is also provided with a circle of raised bottle mouth positioning ring 102, the inner diameter of the bottle mouth positioning ring is matched with the outer diameter of the lower end opening of the bottle body, so that the bottle cap and the lower end of the bottle body are better aligned, and the sealing head is accurately inserted into the lower end opening of the bottle body.

In addition, a safety sheath 3 is designed. The safety sheath is made of ABS materials, the shape of the safety sheath is cylindrical, one side of the cylindrical shape is totally lost, and the other opposite side is provided with a handle, so that the axial visual angle of the safety sheath is Y-shaped. The safety sheath is detachably sleeved outside the upper cover and below the safety sheath limiting ring, and the height of the safety sheath is matched with the effective stroke of the safety sheath limiting ring during longitudinal reciprocating motion. The safety sheath is used for limiting the descending of the upper cover and plays a role of safety. The user grasps the handle and may remove the safety shield from the installed position to release the safety arrangement.

The powder and liquid in the embodiment are packed in a push rod bottle, the powder is contained in a powder cavity, the powder cavity is sealed by a clamping and sealing structure at the lower end of an insertion pipe, the water aqua is filled into the bottle body with a sealed bottle cap, the integral structure formed by a middle cover and the insertion pipe is fixed with the bottle body by a middle ring, and finally, a spring, a piston and an upper cover are assembled and finally a safety sheath is sleeved on the bottle body. In such a structure, the powder and the aqueous solution are packed in a container independently of each other, and the storage state can be maintained at all times as long as the upper cover is not pressed. If the powder injection device is used, the safety sheath is taken down, the upper cover is pressed, the piston is driven by the upper cover, the piston pushes the insertion tube to move downwards, the powder cavity is opened, and the powder falls into the water aqua to be dissolved to form mixed liquid. The bottle cap can be taken down at the moment, the upper cover is continuously pressed, the air pressure in the piston cavity is transmitted to the bottle body through the insertion tube, and the mixed liquid in the bottle body is extruded out of the opening below the bottle body through the pressure, so that the bottle can be used. And (4) loosening the pressed upper cover, and driving the piston to reset upwards by the upper cover under the action of the elastic force of the spring, and repeating the steps.

In this example, the powder chamber has a volume of 4ml, the vial has a volume of 28.6ml of water, and the piston chamber has an effective displacement of 0.36 ml.

Claims

1. A powder and liquid combined push rod bottle comprises a bottle body (9) with openings at the upper end and the lower end, and is characterized in that a middle cover (6) is hermetically fixed above the inner side of the bottle body, a powder cavity (61) is fixed on the lower end face of the middle cover, the opening of the powder cavity is downward, and a vertically through cannula through hole (62) is arranged in the middle of the middle cover; the inserting tube (8) is inserted in the inserting tube through hole, the lower end of the inserting tube is fixedly provided with a clamping sealing structure, and the inserting tube and the opening of the powder cavity are clamped and sealed from bottom to top; the upper end of the insertion tube is longitudinally lapped with the piston (2); a longitudinal piston cavity (63) 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.

2. The powder and liquid combined push rod bottle as claimed in claim 1, wherein the piston is fixedly connected with the upper cover (1), and the upper cover is provided with a structure facilitating push-pull operation.

3. The powder and liquid combined push rod bottle as claimed in claim 2, wherein a spring (5) is abutted between the middle cap and the upper cap, and the elastic force direction of the spring is vertical.

4. The powder and liquid combined push rod bottle as claimed in claim 3, wherein the lower end surface of the upper cover extends downwards and is provided with a ring of upper spring limiting ring (11), and the upper end surface of the middle cover extends upwards and is provided with a ring of lower spring limiting ring (64); the spring is a spiral spring, and two ends of the spring are respectively matched with the upper limiting ring and the lower limiting ring of the spring in a sleeved mode.

5. The powder and liquid combined push rod bottle as claimed in claim 4, wherein the outer side wall of the upper limiting ring of the spring is provided with a longitudinal limiting structure, and the upper relative limiting is realized by the limiting structure and the bottle body.

6. The powder-liquid combined push rod bottle as claimed in any one of claims 1 to 5, wherein a piston skirt support rib (21) is provided on the side wall of the piston and extends laterally, and the end of the piston skirt support rib is connected with an upper piston skirt (22) and a lower piston skirt (23) upwards and downwards respectively; the piston skirt support rib, the upper piston skirt and the lower piston skirt are all made of elastic materials, and the upper piston skirt and the lower piston skirt are tightly attached to the inner side wall of the piston cavity under the action of elasticity.

7. The powder-liquid combined push rod bottle as claimed in any one of claims 1 to 5, wherein a bottle cap (10) is further provided; the lower end of the bottle body is hermetically connected with the bottle cap in a threaded mode.

8. The powder and liquid combined push rod bottle as claimed in claim 7, wherein the cap is provided with an upwardly protruding sealing head (101), the sealing head is made of elastic material, and the outer diameter dimension of the sealing head is in interference fit with the inner diameter dimension of the lower opening of the bottle body.

9. The powder and liquid combined push rod bottle as claimed in claim 7, wherein a ring of bottle mouth positioning ring (102) is convexly arranged on the bottle cover, and the inner diameter of the bottle mouth positioning ring is matched with the outer diameter of the lower end opening of the bottle body.

10. The push rod bottle for powder and liquid packing according to claim 3, 4 or 5, wherein a safety sheath (3) made of rigid material is further provided; the upper cover is provided with a safety sheath limiting ring (13) which extends radially, the safety sheath is detachably sleeved outside the upper cover and below the safety sheath limiting ring, and the height of the safety sheath is matched with the effective stroke of the safety sheath limiting ring during longitudinal reciprocating motion.