Double-thread anti-static polymer replaceable vacuum bottle

Abstract

The utility model relates to a double-thread anti-static polymer replaceable vacuum bottle, and aims to solve the technical problems that replaceable bottles or inner bottle assemblies of existing similar products are inconvenient to assemble and disassemble, the liquid outlet effect is poor, and the material production process needs to be improved. The replaceable vacuum bottle is characterized in that an annular groove is formed between a first internal thread and a second internal thread at the bottom of a large ring of the replaceable vacuum bottle, a through hole communicated with a groove in the top of the large ring is formed in one side of the annular groove, and the outer diameter of a cap opening at the bottom of a head cap is sleeved with the inner diameter of a notch of the groove in the top of the large ring; a gap is formed between the inner wall of the inner diameter of the external thread bottle opening of the outer bottle and the outer diameter of the annular groove in the bottom of the large ring, and meanwhile, a bottom groove protruding upwards is formed in the top of the external thread bottle opening of the outer bottle; the outer bottle is a glass bottle or a plastic bottle, convex ribs distributed at equal intervals are arranged on the inner wall of the inner diameter of the external thread bottle opening of the outer bottle or the outer diameter of the annular groove in the bottom of the large ring, and the convex ribs abut against the outer diameter of the annular groove in the bottom of the large ring or the inner wall of the inner diameter of the external thread bottle opening of the outer bottle.

Description

TECHNICAL FIELD

[0001] The utility model relates to a vacuum bottle, and it is a double thread anti -static high molecule replacement vacuum bottle. BACKGROUND

[0002] A vacuum bottle refers to a container that can isolate gas from the outside temperature or a container that can isolate external bacteria. The vacuum bottles sold on the market are composed of an elliptical container with a cylindrical body and a piston placed at the bottom. Some vacuum bottles on the market adopt an inner and outer bottle structure. The inner bottle and its replacement assembly have a replacement function, which facilitates repeated use and replacement of different emulsions. For example, Chinese patent document No. 202110570378.5, published on August 31, 2021, with the invention name "lightweight anti-static replaceable vacuum bottle and its preparation method"; and Chinese patent document No. 202311527255.9, published on February 26, 2024, with the invention name "elliptical buckle replacement anti-static high polymer vacuum bottle and its preparation method". However, the above-mentioned products and similar products include an inner bottle and an outer bottle. The main function of the large circle fixed to the inner bottle mouth and the outer bottle mouth is to replace the inner bottle assembly with a pump head. Or through the large circle and the middle circle fixed to the inner bottle mouth and the outer bottle mouth and connected as a whole to replace the inner bottle assembly without a pump head. SUMMARY

[0003] To overcome the above-mentioned shortcomings, the purpose of the utility model is to provide a double thread anti-static high molecule replacement vacuum bottle to the field, which solves the technical problems of inconvenient replacement or inner bottle assembly disassembly of existing similar products and poor liquid output effect. The purpose is achieved through the following technical solutions.

[0004] The application discloses a double-thread anti-static high-molecular replacement vacuum bottle, which comprises an inner bottle, a large piston and a bottom cover, wherein the inner bottle is provided with the large piston, the bottom of the inner bottle is provided with the bottom cover, another inner bottle assembly and a replacement cover assembly form an inner bottle replacement assembly, the outer side of the inner bottle is provided with an outer bottle, the outer bottle is a glass bottle or a plastic bottle, the outer thread bottle opening of the outer bottle and the outer thread bottle opening of the inner bottle are connected with a first inner thread at the bottom outer side inner wall of a large ring and a second inner thread at the bottom inner side inner wall of the large ring respectively, the bottle opening of the connection part of the inner bottle and the large ring is provided with a gasket, a valve rod of a pump core assembly fixed on the top of the inner center hole of the large ring extends out of the large ring, the valve rod is buckled with a liquid inlet hole of a head cap, the large ring on the outer side of the head cap is provided with a cover opening, and an outer cover fixed on the large ring is buckled, the outer cover, the large ring and the outer bottle are connected into an integrated cylindrical shape. The structure design points of the application are that an annular groove is arranged between the first inner thread and the second inner thread at the bottom of the large ring, one side of the annular groove is provided with a through hole communicated with a groove at the top of the large ring, the cap opening of the bottom of the head cap is sleeved into the inner diameter of the groove at the top of the large ring, the inner diameter of the inner wall at the outer thread bottle opening of the outer bottle is provided with a gap between the outer diameter of the annular groove at the bottom of the large ring, and the top of the outer thread bottle opening of the outer bottle is provided with an upward protruding bottom groove. In the above structure, the large ring adopts double-thread cooperation, the fastening property of the inner bottle and the outer bottle is stronger, and the replacement is simple and convenient.

[0005] The top of the inner center hole of the large ring in the buckling part of the pump core assembly is upwardly protruding and forms a stepped boss, the bottom cap opening of the head cap is internally provided with a stepped groove corresponding to the stepped boss, one side of the inner wall of the stepped groove of the head cap is provided with a protruding positioning rib, the positioning rib of the head cap is aligned with and pressed against one side of the positioning groove of the stepped boss of the large ring, and the positioning rib is limited in position in the misaligned state.

[0006] The inner bottom of the pump body of the pump core assembly is provided with a spring sleeve, one end of the inner plug is buckled and fixed to the inner diameter of the pump opening of the pump body, and the outer diameter of the connection part is buckled and fixed to the buckle groove at the top of the inner center hole of the large ring, the outer diameter of the pump body below the buckling part is in abutment sealing with the inner wall of the inner center hole of the large ring, the inner small piston of the pump body is fixed to the one end hole of the valve rod of the pump body through a valve needle, the valve needle is buckled with the upper buckle rib of the hole of the valve rod and is left with a channel, the inner side of the top of the small piston is outwardly turned and is in abutment with the inner diameter of the hole of the valve rod, the sleeve opening of the inner side of the bottom of the small piston is in abutment with the end ring groove of the valve needle, the other end of the valve rod extends out of the pump body and the inner plug and is provided with a spring in the outer diameter, one end of the spring is in abutment with the upper spring groove below the outer diameter of the hole of the other end of the valve rod, the other end of the spring is in abutment with the limiting groove at the inner bottom of the upper spring cavity of the top of the inner plug, the spring is encapsulated in the lower spring cavity of the inner plug and the upper spring cavity of the valve rod, and the outer diameter of the piston leaf of the small piston is in abutment sealing with the inner wall of the pump body. The above is a specific structure embodiment of the pump core assembly.

[0007] The distance between the valve needle of the pump body and the inner wall of the small piston center hole of the small piston of the pump core assembly is smaller than the channel distance between the buckling ribs of the valve needle and the valve rod, and the channel distance between the buckling ribs of the valve needle and the valve rod is 0.5 mm.

[0008] The conical groove at the top of the large piston below the pump body, where the pump core assembly is assembled, corresponds to the protrusion at the bottom of the upper pump body that is higher than the top of the inner bottle.

[0009] The outer bottle has equidistantly distributed raised ribs on the inner wall of the threaded bottle neck or the outer diameter of the annular groove at the bottom of the large ring. These raised ribs abut against the outer diameter of the annular groove at the bottom of the large ring or the inner wall of the threaded bottle neck. This makes the gap between the inner wall of the threaded bottle neck and the outer diameter of the annular groove at the bottom of the large ring more stable, preventing the outer bottle from wobbling, especially when the outer bottle is made of plastic.

[0010] This utility model has a reasonable structural design, is easy to use and carry, and has good sealing and stability; it is suitable for use as a replacement vacuum bottle for double-threaded antistatic polymer and for structural improvements of similar products. Attached Figure Description

[0011] Figure 1 This is a cross-sectional structural diagram of the present invention. The dotted lines in the diagram represent the state of the cap after it has been pressed down.

[0012] Figure 2 yes Figure 1 A schematic diagram of the head cap, pump core assembly, and large ring exploded state cross-section structure.

[0013] Figure 3 yes Figure 1 A three-dimensional structural diagram of the exploded state, with the outer casing omitted in the diagram.

[0014] Figure 4 This is a schematic diagram of the exploded structure of the inner bottle replacement assembly of this utility model.

[0015] Figure 5 yes Figure 1 The diagram shows the structure of the inner bottle replacement assembly in its usage state, with a cross-section of the original reusable components.

[0016] Figure 6 yes Figure 5 A schematic diagram of the outer bottle being filled.

[0017] Attached figures and their names: 1. Outer cover, 2. Head cap, 201. Positioning rib, 3. Pump core assembly, 4. Gasket, 5. Large ring, 501. First internal thread, 502. Second internal thread, 503. Through hole, 504. Gap, 505. Bottom groove, 6. Glass bottle, 601. Raised rib, 7. Inner bottle, 8. Large piston, 9. Bottom cover, 10. Replacement cap. Implementation

[0018] The structure of this utility model will now be further described with reference to the accompanying drawings. For example... Figures 1-6The inner bottle 7, the large piston 8 and the bottom cover 9 form an inner bottle assembly. The inner bottle is provided with a large piston. The bottom of the inner bottle is provided with a bottom cover. Another inner bottle assembly and the replacement cover 10 form an inner bottle replacement assembly. The inner bottle is provided with an outer bottle. The outer bottle is a glass bottle 6 or a plastic bottle. The outer thread of the outer bottle and the outer thread of the inner bottle are connected with the first inner thread 501 at the bottom of the outer wall of the large circle 5 and the second inner thread 502 at the inner wall of the bottom of the large circle 5, respectively. The bottle opening of the connection between the inner bottle and the large circle is provided with a gasket 4. The valve rod of the pump core assembly 3 fixed on the top of the inner center hole of the large circle extends out of the large circle. At the same time, the valve rod is buckled with the liquid inlet hole of the head cap 2. The large circle outside the head cap is provided with a cover opening. The outer cover 1 fixed on the large circle is buckled. The outer cover, the large circle and the outer bottle are connected as a whole in a cylindrical shape. The first inner thread and the second inner thread at the bottom of the large circle are provided with an annular groove. One side of the annular groove is provided with a through hole 503 communicated with the groove at the top of the large circle. The cap opening outer diameter of the bottom of the head cap is sleeved into the inner diameter of the groove at the top of the large circle. The inner diameter of the inner wall at the outer thread bottle opening of the outer bottle and the outer diameter of the annular groove at the bottom of the large circle are provided with a gap 504. At the same time, the top of the outer thread bottle opening of the outer bottle is provided with an upward protruding bottom groove 505. At the same time, the inner diameter of the inner wall at the outer thread bottle opening of the outer bottle or the outer diameter of the annular groove at the bottom of the large circle 5 is provided with equidistantly distributed protruding ribs 601. The protruding ribs are in contact with the outer diameter of the annular groove at the bottom of the large circle or the inner diameter of the inner wall at the outer thread bottle opening of the outer bottle.

[0019] The top of the inner center hole of the large circle at the buckling position of the pump core assembly is upwardly protruding and forms a stepped boss. The bottom of the cap opening of the head cap is provided with a stepped groove. One side of the inner wall at the stepped groove of the head cap is provided with a protruding positioning rib 201. The positioning rib of the head cap is aligned with the positioning groove at one side of the stepped boss of the large circle and is pressed. The positioning rib is limited in position. The inner bottom of the pump body of the pump core assembly is provided with a spring sleeve. One end of the inner plug is buckled and fixed to the inner diameter of the pump opening of the pump body and is buckled and fixed to the spring groove at the top of the inner center hole of the large circle at the connection outer diameter. The outer diameter of the spring groove at the bottom of the large circle is in contact with the inner wall of the inner center hole of the large circle. The small piston of the pump body is fixed to the valve rod at one end hole of the valve rod in the pump body. The valve needle is buckled with the hole opening at the top of the hole opening of the valve rod and a channel is left. The top of the small piston is in contact with the inner diameter of the hole opening at the end of the valve rod. The bottom of the small piston is in contact with the end groove of the valve needle. The other end of the valve rod extends out of the pump body and the inner plug and is provided with a spring. One end of the spring is in contact with the upper spring groove at the lower hole opening of the valve rod. The other end of the spring is in contact with the limiting groove at the inner bottom of the upper spring cavity of the inner plug. The spring is encapsulated in the lower spring cavity of the inner plug and the upper spring cavity of the valve rod. The outer diameter of the piston leaf of the small piston is in contact with the inner wall of the pump body. The distance between the valve needle and the small piston center hole of the small piston of the pump body of the pump core assembly is less than the distance of the channel between the buckling rib of the valve needle and the valve rod. The distance of the channel between the buckling rib of the valve needle and the valve rod is 0.5 mm. The conical groove at the top of the large piston below the pump body of the pump core assembly corresponds to the protrusion at the top of the inner bottle above the bottom of the pump body.

[0020] The assembly of the replacement vacuum bottle is as follows: 1) normal assembly, the nozzle assembly is pressed into the large ring from above, the buckle position of the pump core assembly is matched with the buckle position of the large ring, the sealing surface at the buckle position of the pump core assembly is in interference sealing cooperation with the sealing rib of the large ring, the gasket is assembled and pressed into place from below the large ring pump core, the gasket is in interference cooperation with the outer diameter of the pump body of the pump core assembly, at the same time, the gasket is attached to the corresponding bottom of the large ring, the buckle position of the head cap is buckled and sealed with the buckle position of the valve rod of the pump core assembly, the outer cover is buckled and matched with the outer diameter of the large ring, that is, the assembly of the nozzle assembly is completed. The inner bottle assembly is assembled by assembling the piston into the inner bottle from below the mouth, the sealing rib of the piston is in interference sealing cooperation with the inner wall of the bottle body of the inner bottle, and then the bottom cover is assembled from below the mouth of the inner bottle, the buckle position of the bottom cover is matched with the buckle position of the inner bottle, that is, the assembly of the inner bottle assembly is completed. The finished product assembly is assembled by rotating the second internal thread of the large ring of the nozzle assembly into the external thread of the bottle mouth of the inner bottle assembly to the bottom, the gasket is in interference sealing cooperation with the bottle mouth of the inner bottle, after the nozzle assembly and the inner bottle assembly are assembled, the first internal thread of the large ring is rotated into the external thread of the bottle mouth of the outer bottle to the bottom, that is, the normal product assembly is completed. 2) replacement assembly, the replacement cover is rotated into the second internal thread of the large ring of the inner bottle assembly to the bottom, the replacement cover is in interference sealing cooperation with the bottle mouth of the inner bottle, and finally the original outer bottle is rotated into the first internal thread of the large ring, that is, the assembly of the replacement assembly is completed.

[0021] The anti-static high polymer head cap is made of anti-static high polymer material, and the anti-static high polymer material is composed of polyethylene, filler, anti-static agent, plasticizer, nucleating agent and coupling agent, wherein the filler is graphene powder, the anti-static agent is fatty alcohol polyoxyethylene ether, the plasticizer is acetyl tri-n-octyl citrate, the nucleating agent is ethylene-propylene-diene rubber, and the coupling agent is a titanate coupling agent. In example one, the polyethylene accounts for 83 parts, the graphene powder accounts for 17 parts, the fatty alcohol polyoxyethylene ether accounts for 2 parts, the acetyl tri-n-octyl citrate accounts for 1 part, the ethylene-propylene-diene rubber accounts for 4 parts, and the titanate coupling agent accounts for 1 part; in example two, the polyethylene accounts for 87 parts, the graphene powder accounts for 15 parts, the fatty alcohol polyoxyethylene ether accounts for 5 parts, the acetyl tri-n-octyl citrate accounts for 5 parts, the ethylene-propylene-diene rubber accounts for 5 parts, and the titanate coupling agent accounts for 1.5 parts; in example three, the polyethylene accounts for 90 parts, the graphene powder accounts for 10 parts, the fatty alcohol polyoxyethylene ether accounts for 7 parts, the acetyl tri-n-octyl citrate accounts for 6 parts, the ethylene-propylene-diene rubber accounts for 9 parts, and the titanate coupling agent accounts for 2 parts. The above materials are added to a homogenizer, and are homogenized at 8000-12000 revolutions per minute for 3-15 minutes, and are reacted at a temperature of 40-60 DEG C for 1-3 hours. After the reaction is completed, the materials are centrifuged, are added to a high-speed mixer at a rotating speed of 800-1000 revolutions per minute, are uniformly mixed, and are cooled by controlling the temperature to be increased to 160-180 DEG C and by being mixed in a low-speed mixer. Then, the materials are extruded and granulated in a double-screw extruder. Degradable calcium carbonate master batches 15-25 parts, polylactic acid 2-5 parts, lubricant 1-3 parts, and a sulfuric acid solution with a concentration of 8-10% are added to the homogenizer.

[0022] In summary, after the content in the inner bottle of the replacement vacuum bottle is used up, the large circle is rotated and separated from the outer bottle, and then the new inner bottle assembly is screwed in to replace it. After the replacement is completed, the outer bottle is loaded, and the replacement of the vacuum bottle and its application are completed. The replacement vacuum bottle and its replacement application are used in daily chemical packaging and skin care products. In order to promote global environmental awareness and reduce the output of plastic products to protect the environment, the environmentally friendly replacement cosmetic packaging container is designed for replacement, and the inner bottle assembly loaded with the content is a replacement part. When the content is used up, only the new inner bottle assembly needs to be replaced, and the product can still function normally after replacement. The maximum waste rate of the product after the whole use is reduced, which meets the current green environmental awareness.

Claims

1. A double-threaded anti-static high-molecular replacement vacuum bottle, which comprises an inner bottle (7), a large piston (8), and a bottom cover (9) to form an inner bottle assembly, the inner bottle being provided with the large piston, and the bottom of the inner bottle being provided with the bottom cover; another inner bottle assembly and a replacement cover (10) form an inner bottle replacement assembly, the inner bottle is provided with an outer bottle, the outer bottle is a glass bottle (6) or a plastic bottle, the outer thread bottle mouth of the outer bottle and the outer thread bottle mouth of the inner bottle are respectively connected with the first inner thread (501) at the bottom outer side inner wall and the second inner thread (502) at the bottom inner side inner wall of the large ring (5); the pump core assembly (3) fixed on the top of the large ring inner center hole is provided with a valve rod extending out of the large ring, and the valve rod is buckled with the liquid inlet hole of the head cap (2), the large ring outside the head cap is provided with a cover mouth buckled with the outer cover (1) fixed on the large ring, the outer cover, the large ring, and the outer bottle are connected into a cylindrical shape; characterized in that The first inner thread (501) and the second inner thread (502) of the bottom of the large circle (5) are provided with an annular groove, one side of the annular groove is provided with a through hole (503) communicated with the groove of the top of the large circle, the outer diameter of the cap mouth of the bottom of the head cap (2) is sleeved into the inner diameter of the notch of the top of the large circle, and the inner diameter of the inner wall of the bottle mouth of the outer bottle is provided with a gap (504) between the outer diameter of the annular groove of the bottom of the large circle, and the top of the bottle mouth of the outer bottle is provided with an upwardly protruding bottom groove (505).

2. The double thread anti-static polymer replacement vacuum bottle according to claim 1, wherein The top of the inner center hole of the large circle (5) of the pump core assembly (3) is upwardly protruding and forms a stepped boss, the bottom of the head cap is provided with a stepped groove corresponding to the stepped boss, and one side of the inner wall of the stepped groove of the head cap is provided with a protruding positioning rib (201). The positioning rib of the head cap is aligned with the positioning groove on one side of the stepped boss of the large circle and is pressed, and the positioning rib is limited in position.

3. The double thread anti-static polymer replacement vacuum bottle of claim 1, wherein The inner bottom of the pump body of the pump core assembly (3) is provided with a spring sleeve, one end of the inner plug is fixedly connected to the inner diameter of the pump port of the pump body and is fixedly connected to the clamping groove at the top of the inner center hole of the large circle (5) through the protruding clamping of the outer diameter of the connecting portion, the outer diameter of the pump body is in abutment with the inner wall of the inner center hole of the large circle below the clamping portion, the small piston of the pump body is fixed to the hole port of one end of the valve rod through the valve needle, the valve needle is clamped to the hole port of one end of the valve rod and a passage is left, the inner side of the top of the small piston is in abutment with the inner diameter of the hole port of one end of the valve rod, the inner side of the bottom of the small piston is in abutment with the end ring groove of the valve needle, the other end of the valve rod extends out of the pump body and the inner plug and is provided with a spring outside, one end of the spring is in abutment with the upper spring groove below the hole port of one end of the valve rod, the other end of the spring is in abutment with the limiting groove at the inner bottom of the upper spring cavity of the inner plug, the spring is encapsulated in the lower spring cavity of the inner plug and the upper spring cavity of the valve rod, and the outer diameter of the piston leaf of the small piston is in abutment with the inner wall of the pump body.

4. The double thread anti-static polymer replacement vacuum bottle of claim 3, wherein The distance between the valve needle and the inner wall of the small piston center hole of the small piston of the pump core assembly (3) is less than the distance of the passage between the clamping ribs of the valve needle and the valve rod, and the distance of the passage between the clamping ribs of the valve needle and the valve rod is 0.5 mm.

5. The double thread anti-static polymer replacement vacuum bottle of claim 1, wherein The top tapered groove of the large piston (8) below the pump body of the pump core assembly (3) corresponds to the protrusion of the inner top of the inner bottle (7) above the bottom of the pump body.

6. The double-threaded anti-static high-molecular-replacement vacuum bottle according to claim 1, wherein The inner wall of the inner diameter of the bottle mouth of the outer bottle or the outer diameter of the annular groove at the bottom of the large circle (5) is provided with equidistantly distributed protruding ribs (601), and the protruding ribs are in abutment with the outer diameter of the annular groove at the bottom of the large circle or the inner diameter of the inner wall of the bottle mouth of the outer bottle.

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