CN113928677A

CN113928677A - High-rigidity high-polymer strong-buckling type large-ring vacuum bottle and preparation method thereof

Info

Publication number: CN113928677A
Application number: CN202111312172.9A
Authority: CN
Inventors: 黄建艺; 黄颖锋; 黄幸颖; 吴杰; 罗登军; 徐慧栋
Original assignee: Zhejiang Z&Z Industrial Co Ltd
Current assignee: Zhejiang Z&Z Industrial Co Ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-01-14

Abstract

The invention relates to a high-rigidity high-polymer strong-buckling type large-ring vacuum bottle and a preparation method thereof, which are designed aiming at the technical problems that the large ring, an inner bottle and an outer bottle of an inner and outer bottle vacuum bottle of the existing similar product are difficult to be integrally assembled, the bottle cap is less designed by adopting an inner and outer cap structure, and the material preparation and production are not good enough. The vacuum bottle is characterized in that an inner rib groove is formed in one side of the inner diameter of an outer bottle mouth of the vacuum bottle, an inner bottle buckle is arranged in the inner diameter of the inner bottle mouth of the outer bottle below the inner rib groove, a raised outer rib block is arranged on one side of the outer diameter of the mouth of the inner bottle, a lower ring buckle is arranged on the outer diameter of the inner bottle mouth of the outer rib block, the outer rib block at the bottle mouth of the inner bottle is sleeved in the inner rib groove extending out of the inner bottle mouth of the outer bottle, and meanwhile, the lower ring buckle of the inner bottle is buckled and fixed with the inner bottle buckle of the outer bottle; the outer diameter outer ring groove of the inner plug of the vacuum pump core is fastened and fixed in the upper pump groove of the large ring, the upper ring fastener of the inner bottle is fastened with the inner bottle groove of the large ring, the upper gear ring of the inner bottle is meshed with the middle gear ring of the large ring, the bottle cap comprises an outer cover and an inner cover, and the outer bottle and the inner bottle are made of high-rigidity polymers.

Description

High-rigidity high-polymer strong-buckling type large-ring vacuum bottle and preparation method thereof

Technical Field

The invention relates to a vacuum bottle, in particular to a high-rigidity high-polymer strong-buckling type large-ring 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 with a 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 vacuum bottles adopt a double-layer bottle body structure, such as application number 201821221445.2 disclosed in chinese patent literature, granted bulletin date 2019.06.21, and utility model name "push type vacuum pump"; further as the application number 201921813366.5 disclosed in the Chinese patent document, the granted publication date 2020.08.25, the utility model name "antibacterial high-rigidity octagonal double-layer vacuum bottle"; and as application No. 202022693268.1, publication No. 2021.09.28, the name of utility model "lightweight high rigidity multi-section cylindrical vacuum bottle"; however, the assembly structure of the inner bottle, the outer bottle and the large ring of the product and the like is difficult to be fixed into a whole, the automatic production and assembly are difficult to realize, the relative rotation is easy to occur, and the bottle cap is lack of the structural design of the inner cap and the outer cap.

Disclosure of Invention

In order to overcome the defects, the invention aims to provide a high-rigidity high-polymer strong-buckling type large-ring vacuum bottle and a preparation method thereof, so that the technical problems that the large ring, the inner bottle and the outer bottle of the inner and outer bottle vacuum bottles of the existing similar products are difficult to assemble integrally, the bottle caps adopt less inner and outer cap structural design, and parts are difficult to produce and prepare by adopting high-rigidity high-polymer materials are solved. The purpose is realized by the following technical scheme.

The utility model provides a big circle vacuum bottle of formula is detained by force to high rigidity polymer, the bottle of this vacuum bottle includes interior bottle and outer bottle, the bottom of interior bottle is equipped with the bottom, be equipped with big piston in the interior bottle, the bottleneck of interior bottle stretches out the interior bottleneck of outer bottle, and be fixed in the inboard centre bore of lower circle mouth of big circle, simultaneously the internal stopper department external diameter of vacuum pump core is fixed in between the bottleneck of the inboard centre bore of lower circle mouth of big circle and interior bottle, the valve rod of vacuum pump core stretches out big circle centre bore and is connected with feed liquor hole lock in the bottom of head cap, the outer bottle department bottleneck outside of big circle and head cap external diameter is equipped with the step circle, the step circle department bottle lid of outer bottle is detained and is equipped with the fixed bottle lid of lock. The structural design key points are that an inner rib groove is arranged on one side of the inner diameter of the bottle mouth of the outer bottle, an inner bottle buckle is arranged on the inner diameter of the inner bottle mouth of the outer bottle below the inner rib groove, a raised outer rib block is arranged on one side of the outer diameter of the bottle mouth of the inner bottle, a lower ring buckle is arranged on the outer diameter of the inner bottle mouth of the outer rib block, the outer rib block at the bottle mouth of the inner bottle is sleeved in the inner rib groove in the inner bottle mouth of the outer bottle, and the lower ring buckle of the inner bottle is fixed with the inner bottle buckle of the outer bottle. Thus the inner bottle and the outer bottle are positioned, sleeved and buckled into a whole, and the inner bottle can not rotate in the outer bottle.

The outer diameter of the upper ring buckle is arranged at the lower ring buckle at the bottleneck of the inner bottle, the inner diameter of the orifice above the inner side center hole of the large ring is provided with an upper pump groove, the inner diameter of the orifice below the inner side center hole of the large ring is provided with an inner bottle groove, the outer diameter of the inner plug of the vacuum pump core is clamped and fixed between the inner side center hole of the lower ring mouth of the large ring and the bottleneck of the inner bottle, the outer diameter of the inner plug of the vacuum pump core is clamped and fixed in the upper pump groove of the large ring, and the upper ring buckle of the inner bottle is buckled with the inner bottle groove of the large ring. Thereby when the inner bottle is fixed on the outer bottle, the inner bottle is buckled and fixed on the large ring.

The inner wall of the upper orifice of the inner side center hole of the large ring and the inner diameter of the lower orifice is provided with a middle gear ring, the outer diameter of the lower part of the bottleneck of the inner bottle is provided with an upper gear ring, the outer diameter of the inner plug of the vacuum pump core is clamped and fixed between the inner side center hole of the lower ring port of the large ring and the bottleneck of the inner bottle, and the upper gear ring of the inner bottle is meshed with the middle gear ring of the large ring. Therefore, when the inner bottle is fastened and fixed on the large ring, the inner bottle and the large ring are further meshed and fixed through the upper gear ring and the middle gear ring.

The bottle cap comprises an outer cap and an inner cap, a middle ring which is smaller than the diameter of the cap opening and is convex is arranged above the outer diameter of the cap opening of the inner cap, an annular groove is arranged between the inner diameter of the middle ring and the outer diameter of the inner cap, at least one side of the step of the middle ring is provided with a guide bar which is convex and smaller than the outer diameter, guide buckles are symmetrically arranged on two sides of the guide bar, the guide bar and the guide buckle of the inner cap correspond to the guide bar groove and the guide groove on the inner wall of the cap opening of the outer cap, the guide bar of the inner cap is inserted into the guide bar groove of the outer cap, the guide buckle of the inner cap is buckled with the guide groove of the outer cap, and the inner cap and the outer cap are connected into a whole; the inner diameter of the cover opening of the inner cover is provided with an outer bottle groove, and the outer bottle groove of the inner cover is buckled and fixed with the cover of the outer bottle. The embodiment of the bottle cap is formed by buckling and fixing the outer cap and the inner cap, so that the bottle cap is not easy to break when the vacuum bottle falls, and impact buffering force can be generated.

The top of bottom is equipped with the bellied middle circle that makes progress, and the bottom top in the middle circle outside is equipped with the sealing washer that makes progress the arch and be less than the middle circle, and the bottom top gag border in the sealing washer outside is equipped with protruding and equidistance and distributes and be curved electric smelting muscle, and the sealing washer registrates of bottom and is fixed in the bottleneck internal diameter of interior bottle bottom simultaneously, and the electric smelting muscle is fixed in the bottleneck ring face of interior bottle bottom through ultrasonic fusion. The structure ensures that the bottom cover and the inner bottle are further fixed firmly.

The spring of the vacuum pump core is arranged in an upper spring groove which is convex downwards in the outer diameter of the top of the valve rod and is convex upwards in the outer diameter of the buckling position of the inner plug, the lower spring groove of the inner plug is sleeved outside the upper spring groove of the valve rod, the valve needle in the pump body of the vacuum pump core is buckled with the central hole of the valve rod, the piston in the pump body is arranged on the outer diameter of the valve needle at the buckling position of the valve rod and the valve needle, the elastic sleeve is arranged in the elastic sleeve groove of the central hole of the bottom in the pump body, and the plug port of the inner plug is sleeved in the pump port of the pump body. The above is a specific structural embodiment of the vacuum pump core.

The vacuum pump core omits an upper spring groove of the valve rod and a lower spring groove of the inner plug, the spring is replaced by a corrugated pipe plastic spring, one end of the corrugated pipe plastic spring is abutted against the inner plug, and the other end of the corrugated pipe plastic spring is abutted against the rod opening outer diameter ring rib of the valve rod. Thereby being convenient for the vacuum bottle to adopt the all-plastic structure to recycle.

One side of the outer diameter of the outer cover is provided with a raised outer cover rib, the outer cover rib of the outer cover is downward to the cover opening of the outer cover and is reduced at two sides, and the diameter of the cover opening of the outer cover is reduced and is provided with an outer cover opening chamfer; the external diameter one side of outer bottle is equipped with bellied outer bottle muscle, and the outer bottleneck and both sides of outer bottle muscle down to outer bottle of outer bottle reduce, and the outer bottleneck diameter of outer bottle reduces and is equipped with outer bottleneck chamfer, and the outer bottleneck chamfer of outer bottle aligns with the enclosing cover mouth chamfer of enclosing cover, is the cross when the enclosing cover muscle of enclosing cover aligns with the outer bottle muscle of outer bottle.

When the outer cover rib of the outer cover aligns with the outer bottle rib of the outer bottle, the external thread of the large circle and the internal thread of the inner cover are rotationally locked to the rotation stopping opening, and the rotation stopping opening is formed in one side of the bottom of the external thread of the large circle. Therefore, when the bottle cap and the bottle body rotate to the proper position, the outer cap rib of the outer cap is aligned with the outer bottle rib of the outer bottle, the appearance of the vacuum bottle is more attractive, and whether the vacuum bottle is locked in place or not can be visually known.

The outer bottle is a high-rigidity high-polymer outer bottle, the inner bottle is a high-rigidity high-polymer outer bottle, and the high-rigidity high-polymer material is prepared from the following components in percentage by weight: 72-84% of high-density polyethylene, 10-20% of aluminum hydroxide, 5-10% of calcium oxide, 8-10% of glycerol, 5-3% of modified graphene oxide colloid, 0.5-2.5% of antioxidant 264 and 0.1-1% of antioxidant CA; the method comprises the following steps: a) uniformly mixing sodium citrate with concentration of 0.01-0.5M and silver nitrate aqueous solution in a three-neck flask, adding a certain amount of graphene oxide aqueous solution, adding a certain amount of poly (diallyldimethylammonium chloride) solution with volume fraction of 40%, wherein the volume fraction of the poly (diallyldimethylammonium chloride) solution with volume fraction of 40% is 4-5ml per 100mg of graphene oxide colloid, magnetically stirring for 12 hours at normal temperature, magnetically stirring for 3 hours in an oil bath pan at 130 ℃, then adding sodium citrate as a reducing agent of the graphene oxide for the second time, adding 20mL of triethylamine into the three-neck flask, dissolving 7mL of acyl bromide in 20mL of dimethylbenzene, dropwise adding the acyl bromide within 15min, stirring the graphene oxide by the sodium citrate and polydiallyldimethylammonium chloride under mild conditions, namely 60-80 ℃, for 6-9 hours to prepare modified graphene oxide colloid; b) uniformly mixing the high-density polyethylene, aluminum hydroxide, calcium oxide, glycerol, modified graphene oxide colloid, antioxidant 264 and antioxidant CA, simultaneously adding a compatilizer PE-b-M, carbon nano tubes and silicon dioxide, heating and uniformly mixing in an internal mixer for 20-30 minutes, granulating to obtain modified particles, using double-layer co-extrusion blow molding equipment to prepare outer bottle and inner bottle materials from the modified particles, mixing into a tubular melt in an extrusion mouth die of the equipment, and stretching, blowing and cooling the tubular melt through a blow molding die to obtain a finished product.

The invention has reasonable structural design, convenient use and operation, good sealing performance and stability, beautiful appearance, particularly convenient assembly among a large ring, an inner bottle and an outer bottle, firm structure, good performance of preparation materials and feasible production method; it is suitable for being used as a double-layer vacuum bottle and the structural improvement of the similar products.

Drawings

Fig. 1 is a schematic diagram of an explosive structure of the present invention.

Fig. 2 is a schematic cross-sectional structural view of the exploded state of fig. 1.

Fig. 3 is a schematic cross-sectional view of the present invention, with the framing portion enlarged.

Fig. 4 is a structural view illustrating an opened state of the bottle cap according to the present invention.

Fig. 5 is a schematic view of the inner structure of the great circle of the present invention.

Fig. 6 is a schematic view of the external structure of the present invention, in which the frame part is a modified structure of a large circle.

Figure number and name: 1. the outer cover, 101, a guide groove, 102, a guide strip groove, 2, an inner cover, 201, a guide buckle, 202, a guide strip rib, 203, an outer bottle groove, 3, a head cap, 4, a vacuum pump core, 5, a large ring, 501, an upper pump groove, 502, an inner bottle groove, 503, a middle tooth ring, 6, a silica gel gasket, 7, an outer bottle, 701, a bottle cap buckle, 702, an inner bottle buckle, 703, an inner rib groove, 8, an inner bottle, 801, an upper tooth ring, 802, an upper ring buckle, 803, an outer rib block, 804, a lower ring buckle, 9, a large piston, 10, a bottom cover, 1001 and an electric melting rib.

Detailed Description

The structure of the present invention will now be further described with reference to the accompanying drawings. As shown in fig. 1-5, the bottle body of the vacuum bottle comprises an inner bottle 8 and an outer bottle 7, the bottom of the inner bottle is provided with a bottom cover 10, a large piston 9 is arranged in the inner bottle, the bottle mouth of the inner bottle extends out of the inner bottle mouth of the outer bottle and is fixed in the inner center hole of the lower ring mouth of the large ring 5, meanwhile, the outer diameter of the inner plug of the vacuum pump core 4 is buckled and clamped between the inner center hole of the lower ring mouth of the large ring and the bottle mouth of the inner bottle, the valve rod of the vacuum pump core extends out of the center hole of the large ring and is buckled and connected with the inner liquid inlet hole in the bottom of the head cap 3, the outer sides of the bottle mouths of the outer bottle with the outer diameter of the large ring and the head cap are provided with step rings, and the bottle cap buckles 701 at the step rings of the outer bottle are provided with bottle caps which are buckled and fixed. The concrete structure is as follows: the bottleneck internal diameter one side of outer bottle is equipped with interior muscle groove 703, and the internal diameter of the interior bottleneck of the outer bottle of interior muscle groove below is equipped with interior bottle and detains 702, and bottleneck external diameter one side of interior bottle is equipped with bellied outer muscle piece 803, and the internal bottle bottleneck external diameter of outer muscle piece department is equipped with down the circle and detains 804, and the internal muscle groove of the internal bottleneck department that stretches out outer bottle is emboliaed to the external muscle piece of the bottleneck department of interior bottle simultaneously, and the lower circle of interior bottle is detained and is detained the lock with the internal bottle of outer bottle and is fixed. An upper ring buckle 802 is arranged on the outer diameter of the upper part of a lower ring buckle at the bottle mouth of the inner bottle, an upper pump groove 501 is arranged on the inner diameter of an orifice above the inner side central hole of the large ring, an inner bottle groove 502 is arranged on the inner diameter of an orifice below the inner side central hole of the large ring, a middle gear ring 503 is arranged on the inner walls of the orifice above the inner side central hole and the inner diameter of the orifice below the inner side central hole of the large ring, and an upper gear ring 801 is arranged on the outer diameter of the lower part of the bottle mouth of the inner bottle; the outer diameter of the inner plug of the vacuum pump core is clamped and fixed between the inner side center hole of the lower ring opening of the large ring and the bottle opening of the inner bottle, the outer ring groove of the inner plug of the vacuum pump core is clamped and fixed in the upper pump groove of the large ring, the upper ring buckle of the inner bottle is buckled with the inner bottle groove of the large ring, and the upper gear ring of the inner bottle is meshed with the middle gear ring of the large ring.

The bottle cap comprises an outer cap 1 and an inner cap 2, a middle ring which is smaller than the diameter of a cap opening and is convex is arranged above the outer diameter of the cap opening of the inner cap, an annular groove is arranged between the inner diameter of the middle ring and the outer diameter of the inner cap, guide bar ribs 202 which are convex and smaller than the outer diameter are symmetrically arranged on two sides of the step of the middle ring, guide buckles 201 are symmetrically arranged on two sides of each guide bar rib, the guide bar ribs and the guide buckles of the inner cap correspond to the

guide bar grooves

102 and 101 on the inner wall of the cap opening of the outer cap, the guide bars of the inner cap are inserted into the guide bar grooves of the outer cap, the guide buckles of the inner cap are buckled with the guide grooves of the outer cap, and the inner cap and the outer cap are connected into a whole; the inner diameter of the cover opening of the inner cover is provided with an outer bottle groove 203, and the outer bottle groove of the inner cover is buckled and fixed with a bottle cover buckle 701 of the outer bottle. The top of bottom is equipped with the bellied middle circle that makes progress, and the bottom top in the middle circle outside is equipped with the sealing washer that makes progress the arch and be less than the middle circle, and the bottom top flap border in the sealing washer outside is equipped with arch and equidistance and distributes and be curved electric smelting muscle 1001, and the sealing washer registrates of bottom of the bottom is fixed in the bottleneck internal diameter of interior bottle bottom simultaneously, and the electric smelting muscle is fixed in the bottleneck ring face of interior bottle bottom through ultrasonic fusion. The spring of vacuum pump core sets up in the bellied lower spring inslot that upwards goes up of valve rod top external diameter downwardly convex spring groove and interior stopper lock department, and the lower spring groove cover of interior stopper is in the last spring groove outside of valve rod, the needle and the centre bore lock of valve rod in the pump body of vacuum pump core, and the piston sets up in the needle external diameter of valve rod and needle lock department in the pump body, and the centre bore department elastic sleeve inslot of bottom is equipped with the bullet cover in the pump body, and the lock is gone into in the pump mouth of pump body to the stopper mouth cover of interior stopper.

Meanwhile, as shown in fig. 6, a raised outer cover rib is arranged on one side of the outer diameter of the outer cover, the outer cover rib of the outer cover is reduced downwards to the cover opening of the outer cover and the two sides of the outer cover are reduced, and the cover opening of the outer cover is reduced in diameter and is provided with an outer cover opening chamfer; the external diameter one side of outer bottle is equipped with bellied outer bottle muscle, and the outer bottleneck and both sides of outer bottle muscle down to outer bottle of outer bottle reduce, and the outer bottleneck diameter of outer bottle reduces and is equipped with outer bottleneck chamfer, and the outer bottleneck chamfer of outer bottle aligns with the enclosing cover mouth chamfer of enclosing cover, is the cross when the enclosing cover muscle of enclosing cover aligns with the outer bottle muscle of outer bottle. When the enclosing cover muscle of enclosing cover aligns with the outer bottle muscle of outer bottle, the external screw thread of large circle and the internal thread rotation of inner cup are locked to the spline mouth, and the spline mouth sets up in the external screw thread bottom one side of large circle. In addition, the vacuum pump core can also omit an upper spring groove of the valve rod and a lower spring groove of the inner plug, the spring is replaced by a corrugated pipe plastic spring, one end of the corrugated pipe plastic spring is abutted against the inner plug, and the other end of the corrugated pipe plastic spring is abutted against the rod port outer diameter ring rib of the valve rod.

The assembly method of the vacuum bottle comprises the following specific steps: assembling the A1 outer cover component, pressing the inner cover into the outer cover, correspondingly matching the buckling positions of the guide buckle 201 and the guide bar rib 202 of the inner cover with the guide groove 101 and the guide bar groove 102 of the outer cover, pressing in place, and fixing to complete the assembly of the A1 outer cover component. Assembling an A2 nozzle part, sleeving a silica gel gasket into the vacuum pump core, and fitting the silica gel gasket and the vacuum pump core in place; pressing the large ring into the vacuum pump core, and fastening the large ring and the vacuum pump core in place; and then pressing the head cap into the vacuum pump core, and matching the head cap with the vacuum pump core in a buckling position and buckling in a proper position to finish the assembly of the A2 spray head component. Assembling the A3 bottle body part, firstly plugging the large piston into the inner bottle, smearing silicone oil on the inner wall of the inner bottle, and then matching with the large piston; then the bottom cover 1001 and the inner bottle 805 are welded firmly by using ultrasonic waves; then the outer bottle is pressed in, the inner rib groove 703 of the outer bottle is aligned and guided in with the outer rib block 803 of the inner bottle, the inner bottle buckle 702 of the outer bottle is buckled and matched with the lower ring buckle 804 of the inner bottle, and the A3 bottle body part is assembled after being buckled and positioned. Assembling a finished product A4, firstly pressing the A2 spray head component into the A3 bottle body component, buckling and matching the inner bottle groove 502 of the large ring with the upper ring buckle 802 of the inner bottle, matching the middle gear ring 503 of the large ring with the upper gear ring of the inner bottle, and tightly matching in place; and pressing the A2 nozzle part in, and buckling and matching the inner cover, the outer bottle groove 203 and the bottle cap buckle 701 of the outer bottle without looseness, thereby finishing the assembly of the A4 finished product. When in use, the bottle cap is opened and the head cap is pressed.

Claims

1. A high-rigidity high-polymer strong-buckling type large-ring vacuum bottle comprises an inner bottle (8) and an outer bottle (7), wherein the bottom of the inner bottle is provided with a bottom cover (10), a large piston (9) is arranged in the inner bottle, the bottle mouth of the inner bottle extends out of the inner bottle mouth of the outer bottle and is fixed on the inner side center hole of the lower ring mouth of a large ring (5), meanwhile, the outer diameter of an inner plug of a vacuum pump core (4) is buckled and clamped between the inner side center hole of the lower ring mouth of the large ring and the bottle mouth of the inner bottle, a valve rod of the vacuum pump core extends out of the center hole of the large ring and is buckled and connected with an inner liquid inlet hole at the bottom of a head cap (3), the outer sides of the bottle mouths of the large ring and the head cap at the outer diameters are provided with step rings, and a bottle cap buckle (701) at the step rings of the outer bottle is provided with a bottle cap which is buckled and fixed; the novel bottle mouth buckle is characterized in that an inner rib groove (703) is formed in one side of the inner diameter of the mouth of the outer bottle (7), an inner bottle buckle (702) is arranged in the inner diameter of the inner bottle mouth of the outer bottle below the inner rib groove, a raised outer rib block (803) is arranged on one side of the outer diameter of the mouth of the inner bottle, a lower ring buckle (804) is arranged on the outer diameter of the mouth of the inner bottle at the outer rib block, the outer rib block at the mouth of the inner bottle is sleeved in the inner rib groove in the mouth of the inner bottle extending out of the outer bottle, and the lower ring buckle of the inner bottle is buckled and fixed with the inner bottle buckle of the outer bottle.

2. The high-rigidity high-molecular strong-buckling type large-ring vacuum bottle as claimed in claim 1, wherein an upper ring buckle (802) is arranged on the outer diameter of the upper portion of a lower ring buckle (804) at the bottle mouth of the inner bottle (8), an upper pump groove (501) is arranged on the inner diameter of an upper hole of an inner central hole of the large ring (5), an inner bottle groove (502) is arranged on the inner diameter of a lower hole of the inner central hole of the large ring, an inner plug outer diameter of a vacuum pump core (4) is clamped and fixed between the inner central hole of the lower ring mouth of the large ring (5) and the bottle mouth of the inner bottle, and an outer ring groove on the inner plug outer diameter of the vacuum pump core is clamped and fixed on the upper pump groove of the large ring, and the upper ring buckle of the inner bottle is buckled with the inner bottle groove of the large ring.

3. The high-rigidity high-molecular strong-buckling type large-ring vacuum bottle as claimed in claim 1 or 2, wherein the inner wall of the inner diameter position of the upper orifice and the lower orifice of the inner central hole of the large ring (5) is provided with a middle gear ring (503), the outer diameter position of the lower part of the orifice of the inner bottle (8) is provided with an upper gear ring (801), the outer diameter position of the inner plug of the vacuum pump core (4) is clamped and fixed between the inner central hole of the lower ring opening of the large ring and the bottle opening of the inner bottle, and the upper gear ring of the inner bottle is meshed with the middle gear ring of the large ring.

4. The high-rigidity high-molecular strong-buckling type large-circle vacuum bottle as claimed in claim 1, wherein the bottle cap comprises an outer cap (1) and an inner cap (2), a middle circle which is smaller than the diameter of the cap opening and is convex is arranged above the outer diameter of the cap opening of the inner cap, an annular groove is arranged between the inner diameter of the middle circle and the outer diameter of the inner cap, a guide bar rib (202) which is convex and smaller than the outer diameter is arranged on at least one side of the step of the middle circle, guide buckles (201) are symmetrically arranged on two sides of the guide bar rib, the guide bar rib and the guide buckle of the inner cap correspond to a guide bar groove (102) and a guide groove (101) on the inner upper inner wall of the cap opening of the outer cap, the guide rib of the inner cap is inserted into the guide bar groove of the outer cap, the guide buckle of the inner cap is buckled with the guide groove of the outer cap, and the inner cap and the outer cap are connected into a whole; the inner diameter of the cover opening of the inner cover is provided with an outer bottle groove (203), and the outer bottle groove of the inner cover is fixedly buckled with a bottle cover buckle (701) of the outer bottle (7).

5. The high-rigidity high-molecular strong-buckling type large-ring vacuum bottle as claimed in claim 1, wherein the top of the bottom cover (10) is provided with an upward-protruding middle ring, the top of the bottom cover outside the middle ring is provided with a sealing ring which protrudes upward and is lower than the middle ring, the edge of the top opening of the bottom cover outside the sealing ring is provided with electric melting ribs (1001) which protrude and are distributed at equal intervals to form an arc shape, the sealing ring of the bottom cover is sleeved and fixed on the inner diameter of the opening at the bottom of the inner bottle (8), and the electric melting ribs are fixed on the opening ring surface at the bottom of the inner bottle through ultrasonic welding.

6. The high-rigidity high-molecular strong-buckling type large-circle vacuum bottle as claimed in claim 1, wherein a spring of the vacuum pump core (4) is arranged in an upper spring groove with a downward convex outer diameter at the top of the valve rod and a lower spring groove with an outward convex radial direction at the buckling position of the inner plug, the lower spring groove of the inner plug is sleeved outside the upper spring groove of the valve rod, a valve needle in a pump body of the vacuum pump core is buckled with a central hole of the valve rod, a piston in the pump body is arranged at the outer diameter of the valve needle at the buckling position of the valve rod and the valve needle, an elastic sleeve is arranged in the elastic sleeve groove at the central hole at the inner bottom of the pump body, and a plug port of the inner plug is sleeved and buckled in a pump port of the pump body.

7. The high rigidity high molecular strong buckle type large ring vacuum bottle according to claim 6, characterized in that the upper spring groove of the valve rod and the lower spring groove of the inner plug are omitted from the vacuum pump core (4), the spring is replaced by a bellows plastic spring, one end of the bellows plastic spring is abutted against the inner plug, and the other end is abutted against the rod mouth outer diameter ring rib of the valve rod.

8. The high-rigidity high-molecular strong-buckling type large-ring vacuum bottle as claimed in claim 1, wherein one side of the outer diameter of the outer cover (1) is provided with a raised outer cover rib, the outer cover rib of the outer cover is downward to the cover opening of the outer cover and is reduced at two sides, and the diameter of the cover opening of the outer cover is reduced to form an outer cover opening chamfer; the external diameter one side of outer bottle (7) is equipped with bellied outer bottle muscle, and the outer bottleneck and both sides of the outer bottle muscle of outer bottle are dwindled downwards to the outer bottleneck and both sides of outer bottle, and the outer bottleneck diameter of outer bottle is dwindled and is equipped with outer bottleneck chamfer, and the outer bottleneck chamfer of outer bottle aligns with the enclosing cover mouth chamfer of enclosing cover, is the cross when the enclosing cover muscle of enclosing cover aligns with the outer bottle muscle of outer bottle.

9. The high-rigidity high-molecular strong-buckling type large-ring vacuum bottle as claimed in claim 8, wherein when the outer cap rib of the outer cap (1) is aligned with the outer bottle rib of the outer bottle (7), the external thread of the large ring (5) and the internal thread of the inner cap (2) are rotationally locked to the rotation stopping opening, and the rotation stopping opening is formed in one side of the bottom of the external thread of the large ring.

10. The method for preparing the high-rigidity high-molecular strong-buckle type large-ring vacuum bottle as claimed in claim 1, wherein the outer bottle (7) is a high-rigidity high-molecular outer bottle, the inner bottle (8) is a high-rigidity high-molecular outer bottle, and the high-rigidity high-molecular material is prepared from the following components in percentage by weight: 72-84% of high-density polyethylene, 10-20% of aluminum hydroxide, 5-10% of calcium oxide, 8-10% of glycerol, 5-3% of modified graphene oxide colloid, 0.5-2.5% of antioxidant 264 and 0.1-1% of antioxidant CA; the method comprises the following steps: a) uniformly mixing sodium citrate with concentration of 0.01-0.5M and silver nitrate aqueous solution in a three-neck flask, adding a certain amount of graphene oxide aqueous solution, adding a certain amount of poly (diallyldimethylammonium chloride) solution with volume fraction of 40%, wherein the volume fraction of the poly (diallyldimethylammonium chloride) solution with volume fraction of 40% is 4-5ml per 100mg of graphene oxide colloid, magnetically stirring for 12 hours at normal temperature, magnetically stirring for 3 hours in an oil bath pan at 130 ℃, then adding sodium citrate as a reducing agent of the graphene oxide for the second time, adding 20mL of triethylamine into the three-neck flask, dissolving 7mL of acyl bromide in 20mL of dimethylbenzene, dropwise adding the acyl bromide within 15min, stirring the graphene oxide by the sodium citrate and polydiallyldimethylammonium chloride under mild conditions, namely 60-80 ℃, for 6-9 hours to prepare modified graphene oxide colloid; b) uniformly mixing the high-density polyethylene, aluminum hydroxide, calcium oxide, glycerol, modified graphene oxide colloid, antioxidant 264 and antioxidant CA, simultaneously adding a compatilizer PE-b-M, carbon nano tubes and silicon dioxide, heating and uniformly mixing in an internal mixer for 20-30 minutes, granulating to obtain modified particles, using double-layer co-extrusion blow molding equipment to prepare outer bottle and inner bottle materials from the modified particles, mixing into a tubular melt in an extrusion mouth die of the equipment, and stretching, blowing and cooling the tubular melt through a blow molding die to obtain a finished product.