CN113854727A

CN113854727A - Short-stroke degradable high-molecular vacuum bottle and preparation method thereof

Info

Publication number: CN113854727A
Application number: CN202111261531.2A
Authority: CN
Inventors: 黄建艺; 黄颖锋; 黄幸颖; 罗登军; 徐慧栋
Original assignee: Zhejiang Z&Z Industrial Co Ltd
Current assignee: Zhejiang Z&Z Industrial Co Ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2021-12-31

Abstract

The invention relates to a short-stroke degradable high-molecular vacuum bottle and a preparation method thereof, and aims to solve the technical problems that the liquid outlet effect is difficult to stabilize, a bottle body is difficult to adjust and replace corresponding to the capacity, the material is poor and the production and preparation are inconvenient due to poor structural design of a head cap plug and the bottle body of the conventional similar product. The vacuum bottle is characterized in that a square groove is formed in the top of a head cap of the vacuum bottle, side grooves which are arranged in a pairwise symmetry mode are formed in the inner wall of the square groove, and convex ribs which are arranged in a pairwise symmetry mode are formed in the inner wall of a central hole in the middle of the square groove; the head cap plug is T-shaped, flat key surfaces are symmetrically arranged on two sides of a column head of the head cap, and side blocks which are symmetrically arranged in pairs and protrude outwards are arranged on the outer diameter of a square surface at the top of the head cap plug; the head of the head cap plug is sleeved into the center hole of the head cap, the side block of the head cap plug is sleeved into the side groove fixed on the head cap, the bottom plane in the square groove outside the center hole of the head cap is provided with buffer rings distributed at equal intervals around the center hole, the distribution bulges of the buffer rings are elliptic, and the needle receiving sheet is fixed in the side block of the head cap through dispensing.

Description

Short-stroke degradable high-molecular vacuum bottle and preparation method thereof

Technical Field

The invention relates to a vacuum bottle, in particular to a short-stroke degradable high-molecular vacuum bottle and a preparation method thereof.

Background

The vacuum bottle refers to a container capable of isolating gas from the outside temperature or isolating external bacteria, and the vacuum bottle sold in the market is composed of a cylindrical or ellipsoidal container and a piston arranged at the bottom. The working principle is that the contraction force of the spring is used, air is not allowed to enter the bottle to cause a vacuum state, and the atmospheric pressure is used for pushing the piston at the bottom of the bottle to advance. Some existing similar products have small volume and are convenient to carry, such as application number 202022406172.2 disclosed in Chinese patent documents, publication date 2021.07.23, and utility model name 'a cosmetic bottle'. The head cap of other similar products adopts a suction head and a flexible plug structure at the center of the suction head, such as application number 201520169696.0 disclosed in Chinese patent literature, granted bulletin date 2015.08.12, and the utility model discloses a sealing structure of an emulsion pump; and as the application number 201820742462.4 disclosed in the Chinese patent literature, the publication date 2019.01.01, the utility model name of "a protective cover, a thread and a pump core integrated emulsion pump"; however, the limiting and damping effects of the above products and similar products are not good enough when the products are used in a rotating manner, and the sealing performance and stability of the structure are not good enough.

Disclosure of Invention

In order to overcome the defects, the invention aims to provide a short-stroke degradable high-molecular vacuum bottle and a preparation method thereof, so that the technical problems that the liquid outlet effect is difficult to stabilize, the bottle body is difficult to adjust and replace corresponding to the capacity, and the parts are difficult to produce and prepare by adopting degradable high-molecular materials due to poor structural design of a head cap plug and the bottle body of the existing similar products are solved. The purpose is realized by the following technical scheme.

The utility model provides a short stroke degradable polymer vacuum bottle, is equipped with big piston in this vacuum bottle's the bottle, and the bottleneck department large circle of bottle is equipped with pump body assemblage, and the sealed inner circle mouth that is fixed in the large circle of pump body assemblage lock, the valve rod department pump hole of pump body assemblage and the interior bottom of head cap feed liquor hole outer diameter circle muscle lock seal, and the play liquid hole at head cap top is equipped with the head cap stopper. The structural design key points are that the head cap is conical from one end of a large ring at the bottom to the other end at the top, a square groove is arranged at the top of the head cap, the inner wall of the square groove is provided with side grooves which are arranged in a pairwise symmetry manner, the middle of the square groove is provided with a central hole, and the inner wall of the central hole is provided with convex ribs which are arranged in a pairwise symmetry manner; the head cap plug is T-shaped, the outer diameter of a column head at the center of the bottom of the head cap plug is provided with a convex ring, flat key surfaces are symmetrically arranged on two sides of the column head, and the outer diameter of a square surface at the top of the head cap plug is provided with edge blocks which are symmetrically arranged in pairs and protrude outwards; the head cap of the head cap plug is sleeved in the central hole of the head cap, meanwhile, a convex ring of the head cap plug is buckled and fixed with a convex rib in the central hole of the head cap, the side blocks of the head cap plug are sleeved and fixed in the side grooves of the head cap, an outer side gap is arranged between the outer diameter of the head cap plug between the side blocks and the inner diameter of the square groove of the head cap, a channel gap is arranged between the flat key surface of the head cap plug and the convex rib of the central hole of the head cap, and the outer side gap and the channel gap are liquid outlet channels. Thereby liquid flows out head cap and head cap stopper through above-mentioned outside clearance and passageway clearance, and the toper structure of head cap is convenient for the play liquid use of head cap tip, and the square groove at head cap top has guaranteed out the liquid measure and has gone out the stability of liquid, has guaranteed that head cap stopper floats in the square groove at head cap top and has gone out the liquid.

The edge block of the head cap plug protrudes outwards and protrudes upwards at the same time, and the needle receiving sheet is fixed in the edge block of the head cap through dispensing. The needle accommodating sheet increases the weight of the head cap plug, balances the gravity center of the head cap plug and facilitates the cleaning of the top plane of the head cap plug.

The bottom plane is equipped with around the buffering circle of centre bore equidistance distribution in the square inslot in the centre bore outside of head cap, and the buffering circle distribution arch is oval, is equipped with the top clearance between the buffering circle of head cap and the square face bottom of head cap stopper, and above-mentioned top clearance is liquid outlet channel. The structure further improves the smoothness of the liquid outlet channel between the top of the head cap and the bottom of the head cap plug, and prevents the blockage of the top gap.

The outer side of the inner ring opening at the top of the large ring is provided with an annular head cap groove, the outer ring opening at the bottom of the head cap is positioned in the head cap groove of the large ring, the outer side of the assembly fixing part of the pump body at the bottom of the large ring is provided with an annular inner buckling groove, the outer diameter of the bottle opening of the bottle body is provided with a buckling ring, the buckling ring of the bottle body is cylindrical with the inner buckling groove buckling of the large ring, the outer diameter of the head cap groove at the top of the large ring is provided with a step ring, the step ring of the large ring is integrated with the bottom cover opening buckling of the outer cover, and the top of the outer cover corresponds to the top of the head cap and is conical. The structure is convenient for the large ring and the bottle body to be fixedly connected into a whole in a buckling mode, and the pump body assembly is fixed on the large ring in the buckling mode.

The bottom in the head cap groove of the large ring is provided with a lower ring groove with the width smaller than that of the ring groove above, and an airtight gap is arranged between an outer ring opening at the bottom of the head cap in the head cap groove and the inner wall of the outer side of the head cap groove. Thereby the head cap moves up and down in the large circle and prevents the liquid from flowing into the large circle.

The bottle includes 2.2ml bottle and 1.3ml bottle two kinds, and the bottle bottom is equipped with and packs up downwards and be the toper, and the bottom top inner wall in the bottle is equipped with two kinds of inner wall spacing steps of 2.2ml and 1.3ml, and the stroke of big piston is spacing respectively in the spacing step of inner wall. The structure embodiment of two kinds of bottle bodies is just needed to be arranged at different positions of the large piston.

The bottle body comprises a main bottle body and a lower bottom cover, and the lower bottom cover is arranged at the bottom of the main bottle body. Thereby the big piston is put into through the bottom of the main bottle body, and the main bottle body is connected with the lower bottom cover to form the bottle body.

The pump body assembly is replaced by an all-plastic pump body, namely, a spring of which the valve rod extends out of the outer diameter of the inner plug on the pump body assembly is replaced by a plastic spring. Therefore, the vacuum bottle adopts a full-plastic structure, and is convenient for integral recycling.

The invention has reasonable structural design, convenient use and operation, compact and stable assembly of all parts, good tightness and stability, good performance of preparation materials and feasible production method, the head cap main body component is convenient to replace and apply corresponding to different bottle bodies, and the liquid outlet and closing stability of the head cap is good; the degradable high-molecular vacuum bottle is suitable for being used as a short-stroke degradable high-molecular vacuum bottle and the structural improvement of the similar products.

Drawings

Fig. 1 is a schematic diagram of an explosion structure of the invention, wherein a lead-out frame is the other side structure of a head cap plug.

FIG. 2 is a schematic cross-sectional view of a 2.2ml bottle according to an embodiment of the present invention.

Fig. 3 is an enlarged view of the structure of the headgear portion of the present invention.

Fig. 4 is a schematic sectional structure view of the headgear of the present invention.

Fig. 5 is a schematic sectional view of the large circle of the present invention.

FIG. 6 is a schematic cross-sectional view of a 1.3ml bottle according to another embodiment of the present invention.

Fig. 7 is a sectional view schematically showing the opened state of the bottle body of fig. 6.

Fig. 8 is a schematic view showing an improved structure of the bottle body of fig. 1 and 6, in which a drawing frame is an alternative structure of a spring.

Figure number and name: 1. the device comprises an outer cover, 2, a needle accommodating sheet, 3, a head cap plug, 301, a side block, 302, a column cap, 4, a head cap, 401, a convex rib, 402, a ring rib, 403, a square groove, 5, a pump body assembly, 6, a large ring, 601, an inner ring opening, 602, an inner buckling ring, 7, a large piston, 8, a bottle body, 9, a main bottle body, 10, a lower bottom cover, 11 and a plastic spring.

Detailed Description

The structure of the present invention will now be further described with reference to the accompanying drawings. As shown in fig. 1-7, the bottle body 8 of the vacuum bottle includes two types, i.e., a 2.2ml bottle body and a 1.3ml bottle body, a large piston 7 is arranged in the bottle body, a pump body assembly 5 is arranged on a large ring 6 at the bottle mouth of the bottle body, the pump body assembly is fastened and sealed with an inner ring mouth 601 of the large ring, a pump hole at a valve rod of the pump body assembly is fastened and sealed with a liquid inlet hole outer diameter ring rib 402 at the bottom in the head cap 4, and a head cap plug 3 is arranged on a liquid outlet hole at the top of the head cap. The concrete structure is as follows: the head cap is conical from one end of a large ring at the bottom to the other end at the top, a square groove 403 is arranged at the top of the head cap, side grooves which are arranged in a pairwise symmetry manner are arranged on the inner wall of the square groove, a central hole is arranged in the middle of the square groove, and convex ribs 401 which are arranged in a pairwise symmetry manner are arranged on the inner wall of the central hole; the head cap plug 3 is T-shaped, the outer diameter of a column head 302 at the center of the bottom of the head cap plug is provided with a convex ring, two sides of the column head are symmetrically provided with flat key surfaces, and the outer diameter of a square surface at the top of the head cap plug is provided with edge blocks 301 which are symmetrically arranged in pairs and are upwards and outwards convex; the head cap of the head cap plug is sleeved in the center hole of the head cap, meanwhile, a convex ring of the head cap plug is buckled and fixed with a convex rib in the center hole of the head cap, the side blocks of the head cap plug are sleeved and fixed in the side grooves of the head cap, an outer side gap is arranged between the outer diameter of the head cap plug between the side blocks and the inner diameter of the square groove of the head cap, a channel gap is arranged between the flat key surface of the head cap plug and the convex rib of the center hole of the head cap, and the needle accommodating piece 2 is fixed in the side blocks of the head cap through glue dispensing. The bottom plane in the square groove of the outside of the center hole of the head cap is provided with a buffer ring which is distributed around the center hole at equal intervals, the distribution bulge of the buffer ring is elliptic, and a top gap is arranged between the buffer ring of the head cap and the bottom of the square surface of the head cap plug. The top gap, the outer side gap and the channel gap are liquid outlet channels.

The outer side of the inner ring opening at the top of the large ring is provided with an annular head cap groove, the outer ring opening at the bottom of the head cap is positioned in the head cap groove of the large ring, the outer side of the fixed part of the pump body assembly at the bottom of the large ring is provided with an annular inner buckling groove 602, the outer diameter of the bottle opening of the bottle body is provided with a buckling ring, the buckling ring of the bottle body is cylindrical with the inner buckling groove buckling of the large ring, the outer diameter of the head cap groove at the top of the large ring is provided with a step ring, the step ring of the large ring is integrated with the bottom cover opening buckling of the outer cover 1, and the top of the outer cover corresponds to the top of the head cap to be conical. Meanwhile, a lower ring groove with the width smaller than that of the upper ring groove is arranged at the bottom in the head cap groove of the large ring, and an airtight gap is formed between an outer ring opening at the bottom of the head cap in the head cap groove and the inner wall of the outer side of the head cap groove. The bottom of the bottle body is provided with a conical shape which is folded downwards, the inner wall above the bottom in the bottle body is provided with two inner wall limiting steps of 2.2ml and 1.3ml, and the stroke of the large piston is limited on the inner wall limiting steps respectively. The valve rod of the pump body assembly stretches out of the inner plug and is provided with a spring in outer diameter, one end of the spring is abutted to the outer diameter of one end of the top of the valve rod, the other end of the spring is abutted to the inner plug, the inner plug is fastened and fixed to a pump opening of the pump body, a piston is arranged on the outer diameter of the fastening position of the valve rod and the valve needle in the pump body, and an elastic sleeve is arranged on a bottom hole in the pump body.

The vacuum bottle assembly process is as follows: a1, dispensing the needle receiving sheet and the top of the head cap plug to form a head cap plug assembly; then the assembled head cap plug assembly is buckled into a central hole fixed on the head cap through a convex ring of the column head to form the head cap assembly; then the pump body assembly is arranged at the inner ring opening of the large ring through a buckle to form the large ring assembly provided with the pump core assembly; then the head cap assembly provided with the head cap plug is arranged at the pump opening of the pump body assembly in the pump core assembly through the ring rib of the head cap, and is buckled, matched and pressed in place; and finally, matching and pressing the buckling position of the outer cover and the step ring of the large ring in place to form the spray head assembly. A2, the bottom of the big piston is put into a 2.2mL bottle body or a 1.3mL bottle body until the bottom of the big piston is completely attached to the limit step of the inner wall of the bottle body, thus forming the bottle body assembly. A3, pressing and combining the nozzle assembly with the outer diameter of the bottle mouth of the bottle body assembly in place through the inner buckling ring of the large ring, and finally assembling into a finished product assembly.

When in use, the outer cover is opened, and the head cap is pressed, so that the liquid in the bottle body can be extruded. According to the above structural features, as shown in fig. 8, the bottle body is replaced by a main bottle body 9 and a lower bottom cover 10, the bottom of the main bottle body is provided with a lower bottom cover, and the pump body assembly is replaced by an all-plastic pump body, i.e. the spring of the valve rod extending out of the outer diameter of the inner plug on the pump body assembly is replaced by a plastic spring 11.

The head cap, the large ring and the bottle body are made of degradable high polymer materials, the degradable high polymer materials comprise, by mass, 65-95% of degradable base materials, 1-20% of plant fibers, 1-10% of modified graphene oxide colloid, 2-10% of hardness regulators, 0-5% of calcium oxide, 1-5% of sodium hydroxide and 1-5% of styrene butadiene rubber, the degradable base materials are polylactic acid, polybutylene terephthalate or polyethylene terephthalate, the hardness regulators are sulfonic acid amide hardness regulators, and the sulfonic acid amide hardness regulators are one or more of p-toluenesulfonic acid amide, N-ethylsulfonic acid amide or N-butylsulfonic acid amide; weighing the components in a mixing machine according to the formula design, uniformly mixing the components in the mixing machine, adding the mixing speed of 50-100rpm and the mixing time of 30-60min during mixing in a high-speed mixing machine, drying the uniformly mixed materials, adding the dried mixed materials into a screw extruder for melt blending and extrusion, adding the screw extruder with the rotation speed of 200-300rpm and the temperature of each zone of 150-220 ℃, cooling, granulating, sieving and packaging.

In conclusion, compared with the traditional vacuum bottle, the vacuum bottle has the advantages of short stroke, concise and attractive appearance, portability and market characteristics; the vacuum bottle is applied to the skin care medical and beauty industry, can be better matched with medical and beauty instruments for use, and meets the requirements of the modern market. Meanwhile, for advocating global environmental awareness, the purpose of protecting the environment is achieved by reducing the output of plastic products, and because of the requirements of product structure and principle, the parts of the known vacuum bottle adopt different raw materials, namely the vacuum bottle is composed of plastic, metal and glass, the reclaimed materials of the parts of the vacuum bottle need to be sorted and then recycled, and the steps are complicated, so that the vacuum bottle is extremely inconvenient for energy conservation, environmental protection and recycling of wastes. Therefore, the main structure (including the bottle body and the head cap) of the vacuum bottle is made of degradable high polymer materials, the recycling difficulty of the product after use is reduced to the maximum extent, and the vacuum bottle conforms to the current green environmental protection consciousness.

Claims

1. A short-stroke degradable polymer vacuum bottle is characterized in that a large piston (7) is arranged in a bottle body (8) of the vacuum bottle, a large ring (6) at a bottle opening of the bottle body is provided with a pump body assembly (5), the pump body assembly is fastened, sealed and fixed on an inner ring opening (601) of the large ring, a pump hole at a valve rod of the pump body assembly is fastened and sealed with a liquid inlet hole outer diameter ring rib (402) at the inner bottom of a head cap (4), and a liquid outlet hole at the top of the head cap is provided with a head cap plug (3); the head cap is characterized in that the head cap (4) is conical from one end of a large ring (6) at the bottom to the other end at the top, a square groove (403) is arranged at the top of the head cap, side grooves which are arranged in a pairwise symmetry manner are arranged on the inner wall of the square groove, a central hole is arranged in the middle of the square groove, and convex ribs (401) which are arranged in a pairwise symmetry manner are arranged on the inner wall of the central hole; the head cap plug (3) is T-shaped, the outer diameter of a column head (302) at the center of the bottom of the head cap plug is provided with a convex ring, two sides of the column head are symmetrically provided with flat key surfaces, and the outer diameter of a square surface at the top of the head cap plug is provided with side blocks (301) which are symmetrically arranged in pairs and are convex outwards; the head cap of the head cap plug is sleeved in the central hole of the head cap, meanwhile, a convex ring of the head cap plug is buckled and fixed with a convex rib in the central hole of the head cap, the side blocks of the head cap plug are sleeved and fixed in the side grooves of the head cap, an outer side gap is arranged between the outer diameter of the head cap plug between the side blocks and the inner diameter of the square groove of the head cap, a channel gap is arranged between the flat key surface of the head cap plug and the convex rib of the central hole of the head cap, and the outer side gap and the channel gap are liquid outlet channels.

2. The short-stroke degradable polymer vacuum bottle as claimed in claim 1, wherein the edge block (301) of the cap plug (3) protrudes outwards and protrudes upwards at the same time, and the needle receiving sheet (2) is fixed in the edge block of the cap by dispensing.

3. The short-stroke degradable polymer vacuum bottle as claimed in claim 1, wherein the bottom plane in the square groove (403) outside the central hole of the head cap (4) is provided with buffer rings distributed equidistantly around the central hole, the distribution protrusions of the buffer rings are oval, and a top gap is provided between the buffer ring of the head cap and the bottom of the square surface of the head cap plug (3), and the top gap is a liquid outlet channel.

4. The short-stroke degradable polymer vacuum bottle as claimed in claim 1, wherein an annular head cap groove is formed outside an inner ring opening (601) at the top of the large ring (6), an outer ring opening at the bottom of the head cap (4) is located in the head cap groove of the large ring, an annular inner snap groove (602) is formed outside a fixed position of the pump body assembly (5) at the bottom of the large ring, a snap ring is arranged on the outer diameter of a bottle opening of the bottle body (8), the snap ring of the bottle body and the inner snap groove of the large ring are buckled into a cylinder, a step ring is arranged on the outer diameter of the head cap groove at the top of the large ring, the step ring of the large ring and a bottom cover opening of the outer cover (1) are buckled into a whole, and the top of the outer cover and the top of the head cap are correspondingly tapered.

5. The short-stroke degradable polymer vacuum bottle as claimed in claim 4, wherein the bottom of the head cap groove of the large ring (6) is provided with a lower ring groove which is smaller than the width of the upper ring groove, and a gap is formed between the outer ring opening of the bottom of the head cap (4) in the head cap groove and the inner wall of the outer side of the head cap groove.

6. The short-stroke degradable high-molecular vacuum bottle as claimed in claim 1, wherein the bottle body (8) comprises two types, namely a 2.2ml bottle body and a 1.3ml bottle body, the bottom of the bottle body is provided with a downward-folded cone, the inner wall above the bottom in the bottle body is provided with two types, namely a 2.2ml inner wall limiting step and a 1.3ml inner wall limiting step, and the strokes of the large piston (7) are respectively limited on the inner wall limiting steps.

7. The short-stroke degradable polymer vacuum bottle as claimed in claim 1, wherein the bottle body (8) comprises a main bottle body (9) and a lower bottom cap (10), and the bottom of the main bottle body is provided with the lower bottom cap.

8. The short-stroke degradable polymer vacuum bottle as claimed in claim 1, wherein the pump body assembly (5) is replaced by an all-plastic pump body assembly, namely a spring of which the valve stem extends out of the outer diameter of the inner plug on the pump body assembly is replaced by a plastic spring (11).

9. The method for preparing the short-stroke degradable polymer vacuum bottle as claimed in claim 1, wherein the head cap (4), the large ring (6) and the bottle body (8) are made of degradable polymer materials, and the degradable polymer materials comprise the following components by mass percent, 65-95% of degradable base material, 1-20% of plant fiber, 1-10% of modified graphene oxide colloid, 2-10% of hardness regulator, 0-5% of calcium oxide, 1-5% of sodium hydroxide, 1-5% of styrene butadiene rubber, the degradable base material is polylactic acid, polybutylene terephthalate or polyethylene terephthalate, the hardness regulator is sulfonic acid amide hardness regulator, and the sulfonic acid amide hardness regulator is one or more of p-toluenesulfonic acid amide, N-ethylsulfonic acid amide or N-butylsulfonic acid amide; weighing the components in a mixing machine according to the formula design, uniformly mixing the components in the mixing machine, adding the mixing speed of 50-100rpm and the mixing time of 30-60min during mixing in a high-speed mixing machine, drying the uniformly mixed materials, adding the dried mixed materials into a screw extruder for melt blending and extrusion, adding the screw extruder with the rotation speed of 200-300rpm and the temperature of each zone of 150-220 ℃, cooling, granulating, sieving and packaging.