CN218572649U - Quantitative spray bottle - Google Patents

Abstract

The utility model discloses a bottle is spouted to ration, contain the bottle lid, set up jetter in the bottle lid, jetter includes press head, drain pipe and straw, the outside of straw is equipped with the push rod, be provided with press device between press head and push rod and the straw, press device is including pressing the chamber, go up the piston, lower piston, spring and at least one spacing seat, spacing seat all sets up the axisymmetric dog of high difference with the piston, spacing seat concave part coincides with the piston bulge, go up the bulge of piston and the bulge central symmetry of lower piston, the push rod is fixed with last piston, lower piston, the piston area is greater than the spring cross section. The utility model discloses the different spacing seats that set up in press device and the different axisymmetric dog of piston height realize the press head through the rotary piston angle that press down the distance regulation to reach the conversion that the single pressed different doses, and the purpose of dosing. The utility model has the characteristics of ration is accurate, convenient operation and long service life.

Description

Quantitative spray bottle

Technical Field

The utility model belongs to the technical field of medical supplies, concretely relates to bottle is spouted to ration.

Background

Dosage control of pharmaceutical products is becoming increasingly important. For the treatment of different administration dosages for children and adults, the adjustment of dosage increase and decrease in the treatment process needs reasonable quantification to realize the accurate administration treatment effect. Through the spray bottles with different specifications, the dosage of the medicine pumped out each time can be controlled to realize the quantification of different patients, but the medicine with short shelf life can cause the resource waste of the packaging bottle; the specification of the spray bottle is unified, the dosage is controlled through the number of times of the pressure pump, and the test is also performed on the memory of the elderly patients.

In order to solve the problems, the Chinese patent publication No. CN210593261U discloses a cosmetic bottle capable of discharging liquid quantitatively, and the quantitative liquid discharge is realized by arranging a locking device for controlling the pressing depth of a pressing head on an ejector rod. The locking device can spirally lift along the ejector rod, but the liquid output amount needs to be set by a user, and the accurate dosage cannot be determined.

Chinese patent publication No. CN211870277U discloses a portable powder spray extrusion bottle, which adjusts the distance of pressing down of an extrusion rod by a limiting block and a clamping groove penetrating through an extrusion box, thereby realizing quantification. When the dosage of the extrusion bottle is adjusted, the limiting block needs to be pulled out to increase the downward pressing distance of the extrusion rod, and the pulled limiting block is easy to lose.

Chinese patent publication No. CN214029985U discloses a rotary type lotion outlet nozzle, which uses a rotary shell to rotate to push a sloping plate two against a sloping plate one in the rotary shell, so that the sloping plate one drives a connecting plate two to two pairs of suction balls to extrude, and the nozzle can discharge lotion from the top, and a user can extrude a fixed amount of lotion once rotating. However, the spray head can only realize one type of quantification and cannot realize the switching of multiple dosage.

The Chinese patent publication No. CN209480318U discloses a quantitative lotion bottle, wherein a quantitative disc, an upper bottle body and a lower bottle body rotate within the limited range of an arc opening, a first fan-shaped through hole and a second fan-shaped through hole or a third fan-shaped through hole are overlapped and staggered, the suction pipe is extruded to different degrees, the aperture of the suction pipe is changed, and the discharge amount of the lotion in the bottle body is controlled. However, the emulsion bottle can only realize one quantification, and the extrusion habit can cause the material to become brittle due to elastic deformation, so that the service life of the product is short.

The quantitative bottle reported in the prior art can not realize accurate switching of multiple doses, and is complex to operate, so that a quantitative bottle with better practicability needs to be developed urgently.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical problem, the utility model provides a can realize that multiple dose switches, ration are accurate, convenient operation and long service life's ration spouts bottle. The utility model discloses set up spacing seat and piston in press device, spacing seat all sets up the different axisymmetric dog of height with the piston, drives the piston through rotatory press head angle and rotates, adjusts the distance of pressing to reach the conversion that the single pressed different doses, and the purpose of dosing.

The technical scheme of the utility model as follows: the utility model provides a bottle is spouted to ration, contains the bottle lid, its characterized in that, set up jetter in the bottle lid, jetter includes press head and drain pipe and straw, the outside of straw is equipped with the push rod, be provided with press device between press head and push rod and the straw, press device is including pressing the chamber, going up piston, lower piston, spring and at least one spacing seat, spacing seat all sets up the different axisymmetric dog of height with the piston, spacing seat concave part and piston bulge coincide, the bulge of going up the piston is symmetrical with the bulge central symmetry of lower piston, the push rod is fixed with last piston, lower piston, the piston area is greater than the spring cross section.

Through adopting above-mentioned technical scheme, spacing seat all sets up the different axisymmetric dog of height with the piston, and the upper and lower piston that drives through rotating the push rod angle and fix on the push rod rotates the same angle, makes spacing seat concave part and piston bulge coincide or dislocation to produce the displacement of different distances when making the extrusion push rod, reach the effect of the different dosage contents of blowout.

The utility model further arranges a limit seat on the upper part and the lower part of the pressing cavity, so that the groove part of the upper limit seat of the pressing cavity coincides with the convex part of the upper piston, and the groove part of the lower limit seat coincides with the convex part of the lower piston; when the upper part of the pressing cavity is not provided with the limiting seat, the contact surface of the top of the pressing cavity and the upper piston is a plane; when the lower part of the pressing cavity is not provided with the limiting seat, the contact surface of the bottom of the pressing cavity and the lower piston is a plane.

By using the technical scheme, the displacement distance of the piston can be synchronously reduced up and down, or the displacement distance in one direction can be reduced, and the flexible adjustment can be carried out according to the requirements of users. On one hand, the quantitative gradient selection range is enlarged; on the other hand, the space of the pressing cavity is saved, the manufacturing cost is reduced, and the cost is saved.

The utility model discloses it is further, set up the check valve in straw or the drain pipe, set up different dosage location scales on the bottle lid, correspond press head or piston pivoted angle.

By adopting the technical scheme, the height of the content in the suction pipe or the liquid outlet pipe can be increased, and the accurate pumping quantity in each time is ensured; different scales are arranged on the bottle cap, correspond to the rotation angles of the pressing head and the piston and are used for selecting different dosages. The technical scheme can increase the stability of low-dose administration of each time.

The utility model discloses it is further, still contain the bottle, the lower extreme of push rod stretches into the bottom of bottle, and bottle inner wall top sets up the sealing layer, bottle and press and set up one-way breather valve on the chamber, and one-way breather valve intercommunication presses chamber and bottle. The sealing layer is prepared from any one of polyether ester, a propenyl elastomer, polypropylene, a vinyl elastomer, a polyolefin elastomer and fluorosilicone rubber.

The lower end of the push rod extends into the bottom of the bottle body, and air is circulated due to the gap between the push rod and the bottle body. Adopt above-mentioned technical scheme, can reduce the inside and outside gas circulation of bottle through the sealing layer. Meanwhile, in order to solve the problem of unbalanced internal and external pressure caused by air flow difference, one-way vent valves are arranged on the sealing layer, the bottle body and the pressing cavity. When the spring recovers elastic deformation, external air is introduced through the one-way vent valve, and contact between the content of the spray bottle and the external air in the ordinary storage process is reduced.

To sum up, the utility model discloses following beneficial effect has:

1. the upper piston and the lower piston fixed on the push rod are driven to rotate by the same angle by rotating the push rod, so that the groove part of the limiting seat is overlapped or staggered with the boss part of the piston, the push rod is extruded to generate displacements of different distances, and the effect of ejecting contents with different dosages is achieved. On one hand, the upper and lower limiting seats and the upper and lower pistons are simultaneously provided with axisymmetric stop blocks with different heights, or only the upper piston or the lower piston and the corresponding limiting seat are provided with the axisymmetric stop blocks with different heights to realize different quantitative differentiation. On the other hand, different quantitative divisions can be realized through the limitation of the division number and different heights of the axisymmetric stopper. The dosage is adjusted conveniently, and the dosage selection variety is various, satisfies different crowds and administers with different stages, the different demands of dosage.

2. The one-way valve is arranged in the suction pipe or the liquid outlet pipe of the quantitative spraying bottle, so that the liquid level height of the content in the suction pipe or the liquid outlet pipe is improved, the pressing distance of the push rod is short, the content in the suction pipe and the liquid outlet pipe can be sprayed quantitatively when the pressure in the bottle body is small, and the stability of low-dose administration is improved.

3. The sealing layer and the one-way ventilation valve are arranged in the quantitative spray bottle, so that the contact between the contents in the spray bottle and the external air during the ordinary storage process is reduced, and the storage time of the products can be prolonged for the contents with high storage condition requirements.

Drawings

Fig. 1 is the utility model discloses structure 1's schematic diagram, wherein press spacing seat concave part and last piston bulge dislocation on the chamber, spacing seat concave part and lower piston bulge dislocation down, the spring displacement distance reduces, spouts the reduction of bottle single pump output. In the figure: 1. a bottle body; 2. a bottle cap; 3. A pressing head; 4. a liquid outlet pipe; 5. a straw; 6. a push rod; 7. a pressing cavity; 8. an upper limiting seat; 9. a lower limit seat; 10. an upper piston; 11. a lower piston; 12. a spring; 13. a one-way valve; 14. and positioning scales.

Fig. 2 is the utility model discloses structure 1's state diagram, wherein press spacing seat concave part and last piston bulge coincidence on the chamber, spacing seat concave part and lower piston bulge coincidence down, spring displacement distance increase spouts the increase of bottle single pump output dose.

Fig. 3 is a schematic diagram of the structure 2 of the present invention, wherein a sealing layer 16 is disposed in the bottle body, a one-way vent valve 15 is disposed on the sealing layer, the bottle body and the pressing cavity, and the one-way vent valve is communicated with the pressing cavity and the bottle body.

Fig. 4 is a top view of the piston structure 1 according to the present invention.

Fig. 5 is a front view and a rear view of the piston structure 1 according to the present invention.

Fig. 6 is a left side view and a right side view of the piston structure 1 of the present invention.

Fig. 7 is a bottom view of the piston structure 1 of the present invention.

Fig. 8 is a top view of the piston structure 2 according to the present invention.

Fig. 9 is a front view and a rear view of the piston structure 2 of the present invention.

Fig. 10 is a left side view and a right side view of the piston structure 2 of the present invention.

Fig. 11 is a bottom view of the piston structure 2 according to the present invention.

Fig. 12 is a top view of the piston structure 3 according to the present invention.

Fig. 13 is a front view and a rear view of the piston structure 3 according to the present invention.

Fig. 14 is a left side view and a right side view of the piston structure 3 according to the present invention.

Fig. 15 is a bottom view of the piston structure 3 according to the present invention.

Fig. 16 is a top view of the piston structure 4 according to the present invention.

Fig. 17 is a sectional perspective view of the piston structure 4 according to the present invention.

Fig. 18 is a schematic view 1 of the structure 3 of the present invention, in which the lower retainer is omitted, and the contact surface between the lower piston and the pressing cavity is a plane.

Fig. 19 is a schematic view 2 of the structure 3 of the present invention, wherein the upper limiting seat is omitted, and the contact surface between the upper piston and the pressing cavity is a plane.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Example 1: quantitative spray bottle structure 1

The utility model provides a bottle is spouted to ration, as shown in fig. 1, contains bottle 1 and bottle lid 2, sets up ejecting device in the bottle lid, and ejecting device includes press head 3 and drain pipe 4 and straw 5, the outside of straw is equipped with push rod 6, be provided with press device between press head and push rod and the straw, press device is including pressing chamber 7, last spacing seat 8, spacing seat 9 down, go up piston 10, lower piston 11 and spring 12, sets up check valve 13 in the drain pipe, sets up location scale 14 on the bottle lid. The limiting seat and the piston are provided with axisymmetric stop blocks with different heights, the groove part of the limiting seat is overlapped with the bulge part of the piston, the bulge part of the upper piston is centrosymmetric with the bulge part of the lower piston, the push rod is fixed with the upper piston and the lower piston, and the area of the piston is larger than the cross section of the spring.

Fig. 1 shows that under the condition that the value of a positioning scale 14 is 1, the groove part of the upper limiting seat of the pressing cavity is staggered with the convex part of the upper piston, the groove part of the lower limiting seat is staggered with the convex part of the lower piston, the displacement distance of a spring is reduced, and the single-time pumping dosage of the spray bottle is reduced; the state diagram 2 of the quantitative spray bottle structure 1 shows that under the condition of 14 numerical values 2 of the positioning scales, the groove part of the upper limiting seat of the pressing cavity is overlapped with the convex part of the upper piston, the groove part of the lower limiting seat is overlapped with the convex part of the lower piston, the displacement distance of the spring is increased, and the pumping dosage of a single spray bottle is increased. Through pushing down the press head and adjusting the press head turned angle to the different dose numerical value of location scale, can realize the free switching of different doses.

The liquid level of the content in the liquid outlet pipe or the liquid outlet pipe is increased by the check valve 13 in the liquid outlet pipe or the suction pipe, so that the pressing distance of the push rod is short, the content in the liquid outlet pipe and the suction pipe can be quantitatively sprayed when the pressure in the bottle body is small, and the stability of low-dose administration is improved.

Example 2: quantitative spray bottle structure 2

On the basis of the embodiment 1, a sealing layer 16 is arranged in the bottle body, and a one-way vent valve 15 is arranged on the sealing layer, the bottle body and the pressing cavity and is communicated with the pressing cavity and the bottle body. The lower end of the push rod extends into the bottom of the bottle body, and air is circulated due to the gap between the push rod and the bottle body. As shown in fig. 3, the gas communication between the inside and the outside of the bottle body can be reduced by the sealing layer. Meanwhile, in order to solve the problem of unbalanced internal and external pressure caused by air flow difference, one-way vent valves are arranged on the sealing layer, the bottle body and the pressing cavity. When the spring recovers elastic deformation, external air is introduced through the one-way vent valve, and contact between the content of the spray bottle and the external air in the ordinary storage process is reduced. Wherein, the sealing layer material comprises any one of polyether ester, propenyl elastomer, polypropylene, vinyl elastomer, polyolefin elastomer and fluorosilicone rubber.

Example 3: piston structure

Fig. 4-15 are schematic views of the piston structure under 2 dose-metering conditions. On the basis of embodiments 1 and 2, the piston is provided with an axisymmetric stopper having a height gradient, wherein the convex portion coincides with the groove of the stopper seat. Through pushing down the press head and adjusting the press head turned angle to the different dosage numerical value of location scale, can realize freely switching of 2 kinds of dosages.

Fig. 16-17 are schematic views of piston structures under multi-gradient dosing conditions. On the basis of embodiments 1 and 2, the piston is provided with a plurality of axisymmetric stoppers with height gradients, wherein the convex parts coincide with the grooves of the limiting seat. Through pushing down the press head and adjusting the press head turned angle to the different dosage numerical value of location scale, can realize the free switching of multiple dosage.

Example 4: quantitative spray bottle structure 3

Fig. 18-19 show a simplified version of the metered dose spray bottle of examples 1 and 2. On the basis of the embodiments 1 and 2, the lower limiting seat or the upper limiting seat is omitted, and the contact surface of the pressing cavity and the piston, where the limiting seat is omitted, is changed into a plane. The limiting seat is omitted, the contact surface is a planar piston, the manufacturing cost is reduced, the cost can be effectively saved by adopting the technical scheme, and the actual requirement of free switching of multiple doses is met.

The above is only the preferred embodiment of the present invention, the protection scope of the present invention is not limited to the above-mentioned embodiments, all belong to the technical solution of the present invention under the thought all belong to the protection scope of the present invention, it should be pointed out, to the ordinary skilled person in the present technical field, not deviating from the present invention discloses a plurality of improvements and decorations, these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (7)

1. The utility model provides a bottle is spouted to ration, contains bottle lid (2), its characterized in that, set up eduction gear in the bottle lid, eduction gear includes press head (3) and drain pipe (4) and straw (5), the outside of straw is equipped with push rod (6), be provided with press device between press head and push rod and the straw, press device is including pressing chamber (7), last piston (10), lower piston (11), spring (12) and at least one spacing seat, spacing seat all sets up the different axisymmetric dog of height with the piston, spacing seat concave part coincides with piston bulge, the bulge of going up the piston is central symmetry with the bulge of lower piston, the push rod is fixed with last piston, lower piston, the piston area is greater than the spring cross section.

2. A dosing bottle according to claim 1, characterised in that the upper stopper (8) of the pressing chamber has a recessed portion coinciding with the upper piston projection and the lower stopper (9) has a recessed portion coinciding with the lower piston projection.

3. The quantitative spray bottle of claim 1, wherein the upper portion of the pressing cavity has no limiting seat, and the contact surface between the top of the pressing cavity and the upper piston is a plane.

4. The quantitative spray bottle of claim 1, wherein the lower portion of the pressing cavity has no limiting seat, and the contact surface between the bottom of the pressing cavity and the lower piston is a plane.

5. The quantitative spray bottle according to any one of claims 1 to 4, characterized in that a one-way valve (13) is arranged in the suction pipe or the liquid outlet pipe, and different dosage positioning scales (14) are arranged on the bottle cap and correspond to the rotation angle of the pressing head or the piston.

6. The quantitative spray bottle according to any one of claims 1 to 4, further comprising a bottle body (1), wherein the lower end of the push rod extends into the bottom of the bottle body, a sealing layer (16) is arranged on the top of the inner wall of the bottle body, and one-way vent valves (15) are arranged on the sealing layer, the bottle body and the pressing cavity and are communicated with the pressing cavity and the bottle body.

7. The metered dose spray bottle of claim 6, wherein said sealing layer is made of any one of polyetherester, acryl-based elastomer, polypropylene, vinyl-based elastomer, polyolefin elastomer, and fluorosilicone rubber.

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