CN218278933U - Acid and alkali corrosion resistant thermoplastic resin vacuum bottle - Google Patents

Abstract

The utility model relates to an acid and alkali corrosion resistant thermoplastic resin vacuum bottle is simple to solve the great circle structural design of current like product, and difficult parcel lives the bottle top, and improves the whole recycle's of plastic structure technical problem and designs. The pump core assembly of the vacuum bottle is fixed at the bottleneck of the bottle body through a large ring, the bottleneck at the fixed position is provided with a gasket, a valve rod of the pump core assembly extends out of the large ring and is provided with a head cap, and the large ring outside the head cap is buckled with an outer cover; its structural design main points are the dustcoat lock is fixed in the bellied outer lane bottom external diameter of overcoat top toper, and the cap mouth of head cap bottom is located the top circle mouth of outer lane top, and the lower outer lane department circle mouth of upper outer lane below offsets and the step groove of bottle top external screw thread below extreme angle department, and the inboard inclined plane department of the upper outer lane of overcoat circle is equipped with the internal thread circle of downward arch, and the internal thread circle department internal thread of overcoat circle and the bottleneck department external screw thread connection of bottle, the metal spring that the pump core was assembled or the replacement is turriform bellows plastic spring.

Description

Acid and alkali corrosion resistant thermoplastic resin vacuum bottle

Technical Field

The utility model relates to a vacuum bottle, in particular to an acid and alkali corrosion resistant thermoplastic resin vacuum bottle.

Background

A vacuum bottle, or called a lotion bottle, is a container capable of isolating air from outside temperature or isolating external bacteria. 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 piston at the bottom of the bottle is pushed to advance by using atmospheric pressure. Some existing vacuum bottles can be repeatedly used for the outer bottle, and the inner bottle adopts an alternative structure, such as the granted publication No. CN213893613U, granted publication No. 2021.06.06, and the utility model is named as an 'inner bottle alternative vacuum bottle'; however, the inner and outer bottle of the product has a complex structural design, especially a large ring has a simple structural design, the top of the bottle body is difficult to wrap, and the product is improved into a full-plastic structure for integral recycling.

Disclosure of Invention

In order to overcome the defects, the utility model aims to provide an acid and alkali corrosion resistant thermoplastic resin vacuum bottle for the field, which has the advantages that the design of the large circle structure for solving the existing like products is simple, the top of the bottle body is difficult to wrap, and the technical problem of the improvement of the whole recycling of the all-plastic structure is solved. The purpose is realized by the following technical scheme.

A kind of acid and alkali corrosion resistance thermoplastic resin vacuum bottle, the pump core assemblage of this vacuum bottle is fixed in the bottleneck of the bottle through the large circle, the bottleneck of the fixed place has gaskets, the valve stem of the pump core assemblage stretches out of the large circle and has head caps, the large circle lock outside the head cap has dustcoats, there are large pistons in the bottle, the bottleneck of the bottom of the bottle has bottom caps; its structural design main points are the dustcoat lock is fixed in the bellied outer lane bottom external diameter of last outer lane of bull circle top toper, and the hat mouth of head cap bottom is located the top circle mouth of last outer lane top, and the lower outer lane department circle mouth of going up the outer lane below offsets with the step groove of bottle top external screw thread below extreme department, and the inboard inclined plane department of the last outer lane of bull circle is equipped with the bellied internal thread circle downwards, and the internal thread of the internal thread circle department of bull circle is connected with the bottleneck department external screw thread of bottle, the bull circle is acid and alkali corrosion resistant thermoplastic resin bull circle. Thereby the top of the large circle is raised and the bottom inner and outer structure more accords with the matching design of the bottle body and the head cap, and has the protection effect on the top of the bottle body.

The pump core assembly is characterized in that a central through hole of a valve needle in the pump core assembly is communicated with a cavity in a pump body below the valve needle, a liquid inlet hole in the pump body below the valve needle is provided with a spring sleeve, the top of the valve needle is inserted into a channel hole above an inner conical cavity of a valve rod in a buckled mode, a small piston is fixed to the outer diameter of the buckled position of the valve needle and the valve rod, the outer diameter of the small piston is abutted and sealed with the inner wall of the pump body, an upper inner ring at the top of the small piston is sleeved into a conical cavity of the valve rod, an annular ring between the upper inner ring and the outer diameter of the small piston is sleeved into a cavity opening in the conical cavity of the valve rod, an inner plug is buckled and fixed to a pump opening of the pump body, the outer diameter of the inner plug is buckled and fixed to a central hole of a large ring, a metal spring is arranged on the outer diameter of the valve rod extending out of the inner plug, one end of the metal spring abuts against the outer diameter of a rod hole in the top of the valve rod, and the other end of the metal spring abuts against the inner plug. The foregoing is a specific pump core assembly embodiment.

The metal spring of pump core assemblage is turriform bellows plastic spring, and the one end of turriform bellows plastic spring offsets with the pump mouth department of the pump body circle of turning up down, and the drill way external diameter that offsets the turriform bellows plastic spring of department is equipped with the buckle groove, and pump core assemblage is fixed in the centre bore in the big circle through the buckle groove of turriform bellows plastic spring, and the other end of turriform bellows plastic spring offsets and turns up the circle with the top rod mouth department of valve rod, and the circle of turning up of the department that offsets the valve rod is equipped with the air vent. The tower-shaped corrugated pipe plastic spring reduces the occupation of the space between the head cap and the large ring, improves the stability of the tower-shaped corrugated pipe plastic spring as an external spring, and can also be fixed in the center hole of the large ring through the inner plug buckle.

The utility model has simple and reasonable structure, convenient production and use, especially good protection effect on the top of the bottle body, and convenient environmental protection and recycling due to the full plastic structure; the vacuum bottle is suitable for being used as an acid and alkali corrosion resistant thermoplastic resin vacuum bottle and for improving the structure of similar products.

Drawings

Fig. 1 is a schematic cross-sectional view of the embodiment of the present invention, in which the frame portion is enlarged.

Fig. 2 is a schematic cross-sectional structure diagram of the second embodiment of the present invention.

Reference numbers and designations: 1. the bottle body, 2, big circle, 201, upper outer circle, 202, lower outer circle, 203, internal thread circle, 3, pump core assemblage, 301, turriform bellows plastic spring, 4, head cap, 5, dustcoat, 6, gasket, 7, big piston, 8, bottom.

Detailed Description

The structure of the present invention will now be further described with reference to the accompanying drawings. As shown in fig. 1 and 2, a pump core assembly 3 of the vacuum bottle is fixed at the bottleneck of a bottle body 1 through a large ring 2, the bottleneck at the fixed position is provided with a gasket 6, a valve rod of the pump core assembly extends out of the large ring and is provided with a head cap 4, the large ring outside the head cap is buckled and provided with an outer cover 5, a large piston 7 is arranged in the bottle body, and the bottleneck at the bottom of the bottle body is provided with a bottom cover 8. The concrete structure is as follows: the dustcoat lock is fixed in the bellied 201 bottom external diameters of last outer lane of the overcoat top toper, and the cap mouth of head cap bottom is located the top mouth of circling of last outer lane top, and the lower outer lane 202 department of going up the outer lane below circles the mouth and offsets and the step groove of bottle top external screw thread below extreme department, and the inboard inclined plane department of the last outer lane of overcoat circle is equipped with downward bellied internal thread circle 203, and the internal thread circle department internal thread of overcoat circle is connected with the bottleneck department external screw thread of bottle. As shown in fig. 1, in the first embodiment, a central through hole of a valve needle in a pump core assembly is communicated with a cavity in a pump body below the valve needle, a liquid inlet hole at the pump body below the valve needle is provided with a spring sleeve, the top of the valve needle is inserted into a channel hole above an inner conical cavity of the valve rod in a buckled manner, a small piston is fixed at the outer diameter of the buckled portion of the valve needle and the valve rod, the outer diameter of the small piston is abutted and sealed against the inner wall of the pump body, an upper inner ring at the top of the small piston is sleeved into a conical cavity of the valve rod, an opening at the conical cavity of the valve rod is sleeved into an annular ring between the upper inner ring and the outer diameter of the small piston, an inner plug is buckled and fixed at a pump opening of the pump body, the outer diameter of the inner plug is buckled and fixed at a central hole of a large ring, a metal spring is arranged at the outer diameter of the valve rod extending out of the inner plug, one end of the metal spring is abutted against the outer diameter of a rod hole at the top of the valve rod, and the other end of the metal spring is abutted against the inner plug.

According to the structural characteristics of the first embodiment, as shown in the second embodiment shown in fig. 2, the metal spring of the pump core assembly is a tower-shaped corrugated pipe plastic spring 301, one end of the tower-shaped corrugated pipe plastic spring abuts against a lower outward turning ring at the pump opening of the pump body, a fastening groove is formed in the outer diameter of the orifice of the tower-shaped corrugated pipe plastic spring at the abutting position, the pump core assembly is fixed in a central hole in a large ring through the fastening groove of the tower-shaped corrugated pipe plastic spring, the other end of the tower-shaped corrugated pipe plastic spring abuts against an upper outward turning ring at the top end of the valve rod, and an air vent is formed in the upper outward turning ring of the valve rod at the abutting position.

When the bottle is used, the outer cover is opened, the head cap is pressed, and liquid can be squeezed out of the bottle body.

The large circle is the acid and alkali corrosion resistant thermoplastic resin large circle, and the acid and alkali corrosion resistant thermoplastic resin of the acid and alkali corrosion resistant thermoplastic resin large circle is composed of the following components: the composite material comprises, by mass, 60-80 parts of thermoplastic polyurethane elastomer, 10-20 parts of polyethylene, 15-25 parts of styrene elastomer, 3-8 parts of acid and alkali resistant additive, 8-12 parts of compatilizer, 20-40 parts of filler, 0.1-1 part of antioxidant and 5-10 parts of nano-graphene powder; the styrene elastomer is a styrene-butadiene block copolymer, the acid and alkali resistant auxiliary agent comprises polysiloxane, the acid and alkali resistant auxiliary agent is a mixture of nano silicon carbide and polysiloxane, the mass ratio of the nano silicon carbide to the polysiloxane is 1; the primary antioxidant comprises an antioxidant 1010 and/or an antioxidant 1076, and the secondary antioxidant comprises an antioxidant 168.

Claims (3)

1. A pump core assembly (3) of the vacuum bottle is fixed at the bottleneck of a bottle body (1) through a large ring (2), the bottleneck at the fixed part is provided with a gasket (6), a valve rod of the pump core assembly extends out of the large ring and is provided with a head cap (4), the large ring at the outer side of the head cap is buckled with an outer cover (5), a large piston (7) is arranged in the bottle body, and the bottleneck at the bottom of the bottle body is provided with a bottom cover (8); the bottle cap is characterized in that the outer cover (5) is fastened and fixed on the outer ring (201) bottom outer diameter of the conical bulge at the top of the large ring (2), the cap opening at the bottom of the head cap (4) is positioned in the top ring opening above the upper outer ring, the ring opening of the lower outer ring (202) below the upper outer ring is abutted to the step groove at the end angle of the top external thread below the bottle body (1), the inner side inclined plane of the upper outer ring of the large ring is provided with an internal thread ring (203) which is bulged downwards, the internal thread of the internal thread ring of the large ring is connected with the external thread of the bottle opening of the bottle body through the external thread, and the large ring is made of acid and alkali corrosion resistant thermoplastic resin.

2. The acid and alkali corrosion resistant thermoplastic resin vacuum bottle as claimed in claim 1, characterized in that the central through hole of the valve needle in the pump core assembly (3) is communicated with the cavity in the pump body below, the liquid inlet hole at the pump body below the valve needle is provided with a spring sleeve, the top of the valve needle is inserted into and buckled with a channel hole above the inner conical cavity of the valve rod, the small piston is fixed at the outer diameter of the buckling part of the valve needle and the valve rod, the outer diameter of the small piston is sealed against the inner wall of the pump body, the upper inner ring at the top of the small piston is sleeved into the conical cavity of the valve rod, the cavity opening at the conical cavity of the valve rod is sleeved into an annular ring between the upper inner ring and the outer diameter of the small piston, the inner plug is buckled and fixed at the pump opening of the pump body, the outer diameter of the inner plug is buckled and fixed at the central hole of the large ring (2), the outer diameter of the valve rod extending out of the inner plug is provided with a metal spring, one end of the metal spring is propped against the outer diameter of the rod hole at the top of the valve rod, and the other end of the metal spring is propped against the inner plug.

3. The acid and alkali corrosion resistant thermoplastic resin vacuum bottle as claimed in claim 2, wherein the metal spring of the pump core assembly (3) is a tower-shaped corrugated pipe plastic spring (301), one end of the tower-shaped corrugated pipe plastic spring abuts against a lower outward turning ring at the pump opening of the pump body, a buckling groove is arranged on the outer diameter of the orifice of the tower-shaped corrugated pipe plastic spring at the abutting position, the pump core assembly is fixed in a central hole in the large ring (2) through the buckling groove of the tower-shaped corrugated pipe plastic spring, the other end of the tower-shaped corrugated pipe plastic spring abuts against an upper outward turning ring at the top end of the valve rod, and an upper outward turning ring at the abutting position of the valve rod is provided with a vent hole.

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