WO2019233252A1 - 一种双层酒桶 - Google Patents

一种双层酒桶 Download PDF

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Publication number
WO2019233252A1
WO2019233252A1 PCT/CN2019/086960 CN2019086960W WO2019233252A1 WO 2019233252 A1 WO2019233252 A1 WO 2019233252A1 CN 2019086960 W CN2019086960 W CN 2019086960W WO 2019233252 A1 WO2019233252 A1 WO 2019233252A1
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WO
WIPO (PCT)
Prior art keywords
barrel body
barrel
inner barrel
wine
double
Prior art date
Application number
PCT/CN2019/086960
Other languages
English (en)
French (fr)
Inventor
邱长富
Original Assignee
Qiu Changfu
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qiu Changfu filed Critical Qiu Changfu
Publication of WO2019233252A1 publication Critical patent/WO2019233252A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D11/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material
    • B65D11/02—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material of curved cross-section
    • B65D11/06—Drums or barrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/08—Details
    • B67D1/0801—Details of beverage containers, e.g. casks, kegs
    • B67D1/0804—Shape or materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D15/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials
    • B65D15/02—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials of curved, or partially curved, cross-section, e.g. cans, drums
    • B65D15/16—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials of curved, or partially curved, cross-section, e.g. cans, drums with curved, or partially curved, walls made of plastics material
    • B65D15/18—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials of curved, or partially curved, cross-section, e.g. cans, drums with curved, or partially curved, walls made of plastics material with end walls made of metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D23/00—Details of bottles or jars not otherwise provided for
    • B65D23/08—Coverings or external coatings
    • B65D23/0885—Rigid shells for receiving the bottle or part of it
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/20—External fittings
    • B65D25/24—External fittings for spacing bases of containers from supporting surfaces, e.g. legs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
    • B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
    • B65D81/2007—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum
    • B65D81/2015—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum in an at least partially rigid container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/72—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/08—Details
    • B67D1/0801—Details of beverage containers, e.g. casks, kegs
    • B67D2001/0822—Pressurised rigid containers, e.g. kegs, figals

Definitions

  • the invention belongs to the technical field of drinking equipment, and relates to a double-layer wine barrel.
  • Plastic wine barrels have low cost and light weight, greatly reduce transportation costs, and have considerable advantages in moving and handling. Therefore, plastic wine barrels are more and more widely used in the current market. In view of the fact that plastic wine barrels have lower strength than metal wine barrels, they are designed as double-layer wine barrels.
  • the outer barrel body protects the inner barrel body, such as A patent document (application number: 201721211474.6) discloses a plastic wine barrel, which includes an outer barrel body and an inner barrel body made of plastic. When taking wine, a high-pressure gas is pressed into the inner barrel body, and the wine is squeezed out by the high-pressure gas.
  • the above-mentioned plastic wine barrel is provided with a wine spear at the mouth of the inner barrel, and the wine spear is connected to the mouth of the outer barrel. That is, the wine spear determines that the position of the mouth of the inner barrel and the position of the mouth of the outer barrel are relatively fixed. There is a clear gap between the outer surface of the shoulder of the inner barrel and the inner surface of the shoulder of the outer barrel.
  • the barrel mouth of the inner barrel body When the body expands and deforms, the barrel mouth of the inner barrel body will be shifted upwards, which may easily cause the barrel mouth of the inner barrel body to be separated from the wine spear, or the wine spear to be separated from the barrel mouth of the outer barrel body and cause the wine spear to be displaced. These not only affect the wine spear
  • the stability of the installation also affects the matching installation of wine extraction equipment such as dispensers and wine spears.
  • the plastic wine barrel disclosed in the patent document also has a large space above the inner barrel body. The inner barrel body Under the internal pressure, the upper part of the upper part will also undergo an upward expansion and deformation, which will also cause the wine spear at the mouth of the inner barrel to be displaced, which will affect the matching connection with other wine extraction equipment.
  • a container disclosed includes an inner barrel body and an outer barrel body. It can be clearly seen from FIG. 2B that there is space above the shoulder of the inner barrel body. When the inner barrel body is pressurized with high-pressure gas, the upper part of the inner barrel body is also It will expand and deform upward. For this reason, it is pointed out in paragraph 38 of the specification that the top of the casing also has a collar that extends around the valve member to protect the valve member.
  • Paragraph 42 states that the inner diameter of the collar is smaller than the outer diameter of the valve member. It can be seen in FIG. 2B that the valve part is wrapped by the lower part of the collar, thereby improving the connection strength with the valve part and avoiding the displacement of the valve part. Although the valve part and the outer barrel have good connection stability, the inner barrel The pressure in the body is very large, and it is still easy to cause cracks in the inner edge of the inner barrel body and the valve assembly to affect the stability and other phenomena.
  • the object of the present invention is to solve the above problems in the prior art, and propose a double-layer wine barrel for solving the problem that the installation stability of the wine spear is deteriorated when the internal pressure is applied.
  • a double-layer wine barrel comprising an outer barrel body and an inner barrel body made of plastic, which is located in the outer barrel body; a base is fixed at the bottom of the outer barrel body; The lower part of the inner barrel has a support part for supporting the bottom edge position of the inner barrel.
  • the barrel mouth of the inner barrel is provided with a wine spear.
  • the upper part of the inner barrel has a shoulder and a neck provided around the mouth of the barrel. The inner side of the upper part of the outer barrel is pressed against the shoulder and / or the outer surface of the neck of the inner barrel.
  • the bottom of the inner barrel is located between the inner part of the support part and the base. space.
  • the outer barrel body supports the inner barrel body through the support portion. Under the restriction of the support portion, the outer barrel body is pressed against the shoulder or neck portion of the inner barrel body. Of course, it can also be pressed against the shoulder portion and the neck portion at the same time.
  • the neck refers to the straight cylindrical part at the mouth of the inner barrel. Its position is higher than the shoulder and its outer diameter is smaller than the outer diameter of the inner barrel.
  • the shoulder is the part between the inner barrel and the neck.
  • the outer edge of the barrel and the upper end of the barrel are bent to make a transition.
  • the inner edge of the barrel is bent to the bottom of the neck, and the curved part of the inner and outer edges of the shoulder should be understood as a part of the shoulder.
  • the body is relatively stable with respect to the outer barrel body.
  • the inner barrel body made of plastic will undergo expansion deformation.
  • the expansion space is located inside the support portion, and the upper inner side of the outer barrel is pressed against the outer surface of the shoulder of the inner barrel.
  • the shoulder is provided around the mouth of the barrel.
  • the bottom of the inner barrel The inner part will expand downward under internal pressure, and the shoulder of the inner barrel and the mouth part of the inner side of the shoulder will not be deformed upward, that is, the relative position of the mouth of the inner barrel and the mouth of the outer barrel will not change, so
  • the installation position of the two and the wine spear is stable, to avoid the instability of the wine spear due to the detachment of the wine spear from the outer barrel or the inner barrel due to the change in the position of the inner barrel body.
  • it can also avoid the installation of the wine spear relative to the outer barrel.
  • the position of the barrel mouth of the body is shifted, which makes it difficult to match the installation of wine extraction equipment such as dispensers.
  • the inner side of the outer barrel body is pressed against the outer surface of the neck, the The outer diameter gradually increases, so the inner side of the outer barrel body can also limit the inner barrel body to prevent it from expanding upward and deforming.
  • the outer side surface of the shoulder portion is a flat surface, a tapered surface, or an arc surface, and the inner side surface of the outer barrel body is pressed against the outer side surface of the shoulder portion.
  • the shoulder is the interface between the barrel body and the mouth of the inner barrel. It has an outer side facing upward or inclined upward, so the outer barrel can limit the positioning of the shoulder downward or obliquely downward.
  • the surface contact pressure also makes the entire shoulder in a stable state, which can prevent the expansion deformation of other parts of the inner barrel from being transmitted to the inner position of the shoulder, thereby preventing the position of the mouth of the inner barrel from changing under internal pressure.
  • the outer barrel body and the inner barrel body each have a straight barrel body, and the inner side surface of the outer barrel body and the outer side surface of the inner barrel body are abutted.
  • the straight barrel of the inner barrel allows the inner barrel to expand in the axial direction.
  • the combination of the outer side of the inner barrel and the inner side of the outer barrel allows the inner barrel to expand and deform only through the bottom toward the expansion space, avoiding the inner barrel.
  • the expansion of the barrel mouth or the upper part of the inner barrel body causes the upper part of the inner barrel body and the upper part of the outer barrel body to remain relatively stable.
  • the outer barrel body and the inner barrel body each have a straight barrel body, and there is a gap of less than 5 mm between the inner side surface of the outer barrel body and the outer side surface of the inner barrel body. .
  • the gap between the outer barrel body and the inner barrel body is used for the radial expansion of the inner barrel body, so that the inner barrel body is fully expanded and evenly contacts the inner side of the outer barrel body, so as to avoid the local stress concentration of the inner barrel body and the bursting.
  • the shoulder of the body has been restricted by the pressing of the outer barrel, so the radial expansion of the inner barrel will not be transmitted to the position of the mouth of the barrel.
  • the support portion is formed by radially shrinking the lower portion of the outer barrel body, and the support portion is annular, and the support portion has an abutting surface inclined upward and a supporting surface inclined downward, The abutting surface abuts the edge position of the bottom of the inner barrel body.
  • the support part is formed by radial contraction, that is, the inner part projects radially inward, the outer part recesses radially inward, and the support part is arranged in a circumferential ring shape. Therefore, the support part functions as a reinforcing rib, which can make the lower part of the outer barrel body The strength is higher to avoid deformation under the gravity and expansion force of the inner barrel.
  • the inclined support surface can better support the abutment surface.
  • the abutment surface is inclined. Therefore, when the barrel of the inner barrel body expands downward When deformed, the edge position of the bottom of the inner barrel body can slide relatively against the surface to achieve expansion and deformation of the bottom of the inner barrel body.
  • the outer surface of the barrel body of the inner barrel body is connected to the outer surface of the bottom of the barrel through an arc surface, and the inner barrel body abuts against the abutment surface of the support portion through the arc surface.
  • the curved surface is more conducive to sliding relative to the abutting surface, so that the bottom of the inner barrel body expands and deforms.
  • the bottom of the inner barrel body is arc-shaped, and the middle portion of the bottom of the inner barrel body is lower than the support portion.
  • the curved bottom of the inner barrel can guide the expansion deformation, so that when the pressure inside the inner barrel increases, the bottom expansion preferentially occurs.
  • the base has a circular slot in the circumferential direction, and the slot of the slot faces upward, the lower end edge of the outer barrel body is inserted into the slot downward, and the outer barrel The outer side of the lower end of the body fits tightly with the slot wall of the base. The lower edge of the outer barrel is inserted and positioned in the slot of the base to realize the relative connection between the two. If the expansion space is insufficient, the barrel of the inner barrel expands and deforms and conflicts with the base. It is plugged and connected to the base by means of tight fit and positioning, so the outer barrel can be loosely displaced relative to the base, thereby making the expansion space larger, so that the inner barrel can fully expand and eliminate stress concentration.
  • the double-layer wine barrel has the following advantages:
  • the outer barrel body Since the outer barrel body is inserted downward, that is, there is an assembly gap between the outer barrel body and the base, so if the expansion space is insufficient, the inner barrel body's barrel body will expand and deform and conflict with the base body, the outer barrel body can The upper part is loosened and displaced relative to the base, so that the expansion space becomes larger, so that the inner barrel is fully expanded and the stress concentration phenomenon is eliminated.
  • FIG. 1 is a structural cross-sectional view of a double-layer wine barrel.
  • FIG. 2 is a structural cross-sectional view when the bottom of the inner barrel body in the double-layer wine barrel is expanded and deformed downward.
  • FIG. 3 is a structural cross-sectional view of a double-layer wine barrel in Embodiment 2.
  • FIG. 3 is a structural cross-sectional view of a double-layer wine barrel in Embodiment 2.
  • FIG. 4 is a partial cross-sectional view of a double-layered wine barrel in Embodiment 3.
  • FIG. 4 is a partial cross-sectional view of a double-layered wine barrel in Embodiment 3.
  • FIG. 5 is a partial cross-sectional view of a double-layered wine barrel in Embodiment 4.
  • FIG. 5 is a partial cross-sectional view of a double-layered wine barrel in Embodiment 4.
  • Fig. 6 is a partial structural sectional view of a double-layer wine barrel in the fifth embodiment.
  • FIG. 7 is a partial cross-sectional view of a double-layered wine barrel in Embodiment 6.
  • a double-layer wine barrel includes an outer barrel body 1 and an inner barrel body 2, both of which are made of PET material.
  • the inner barrel body 2 is located inside the outer barrel body 1, and the outer barrel body 1 The lower end is penetrated, and a base 3 is fixed to the bottom of the outer barrel body 1.
  • the inner barrel body 2 includes a neck 22, a shoulder 21 and a barrel body.
  • the neck 22 is straight, and the upper port of the neck 22 is a barrel mouth.
  • the barrel mouth of 2 is equipped with a wine spear 4, which is used to connect a dispenser such as a dispenser.
  • the shoulder 21 is arranged around the barrel mouth, and its outer side is a tapered surface.
  • the outer side of the shoulder 21 can also be a circular flat surface or Arc surface, the corner between the shoulder 21 and the neck 22 and the barrel adopts an arc design.
  • the outer side of the inner barrel body 2 at the corner position and the inner side of the outer barrel body 1 at the corner position can fit together.
  • the inner barrel body 2 is also straight, Its height is more than 1.66 times the diameter, the inner side of the barrel body of the outer barrel body 1 and the barrel body of the inner barrel body 2 Side are bonded together.
  • the inner side surface of the upper part of the outer barrel body 1 is pressed against the outer surfaces of the shoulder 21 and the neck 22.
  • the lower part of the outer barrel body 1 has a support portion 11.
  • the edge position of the bottom of the inner barrel body 2 abuts on the support portion 11. That is, the outer barrel body 1 supports the inner barrel body 2 through the support portion 11, and an expansion space 5 is provided between the portion of the bottom of the inner barrel body 2 inside the support portion 11 and the base 3 for the bottom of the inner barrel body 2 to expand downward.
  • the support portion 11 is formed by the radial contraction of the lower portion of the outer barrel body 1, and the support portion 11 has a ring shape.
  • the support portion 11 has an abutment surface 111 inclined upward and a support surface 112 inclined downward, and the barrel of the inner barrel 2
  • the outer side is connected with the outer side of the bottom of the barrel through an arc surface, and the inner barrel body 2 abuts against the abutting surface 111 of the support portion 11 through the arc surface.
  • the base 3 has a circular slot 31 in the circumferential direction, and the notch of the slot 31 faces upward.
  • the lower edge of the outer barrel 1 is inserted into the slot 31 downward, and the outer side of the lower end of the outer barrel 1 and the base The slot wall of slot 3 of 3 fits tightly.
  • the outer barrel body 1 is inserted downwards and positioned tightly.
  • the base 3 is connected, so the outer barrel body 1 can be loosened and displaced upward relative to the base 3, so that the expansion space 5 is enlarged, so that the inner barrel body 2 is fully expanded and the phenomenon of stress concentration is eliminated.
  • the structure of the double-layered wine barrel is basically the same as that of the first embodiment, except that as shown in FIG. 3, there is a gap of less than 5 mm between the inner side of the outer barrel body 1 and the outer side of the inner barrel body 2. Radial expansion of the inner barrel body 2 causes the inner barrel body 2 to fully expand and evenly contact the inner side of the outer barrel body 1 to avoid local stress concentration of the inner barrel body 2 and bursting.
  • the structure of the double-layered wine barrel is basically the same as that of the first embodiment, except that as shown in FIG. 4, the inner surface of the outer barrel body 1 is simultaneously pressed against the outer surface of the shoulder 21 and the neck 22 of the inner barrel body 2, wherein At the position of the shoulder 21, the inner side of the outer barrel 1 is an arc-shaped bend pressed against the outer edge of the shoulder 21 of the inner barrel 2, and there is still a certain gap above the other position of the shoulder 21 of the inner barrel 2.
  • the outer barrel body 1 can limit the position of the inner barrel body 2 by pressing against the curved portion of the neck 22 and the shoulder 21 of the inner barrel body 2 to prevent the inner barrel body 2 from expanding and deforming upward.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • the structure of the double-layered wine barrel is basically the same as that of the first embodiment, except that as shown in FIG. 5, the inner surface of the outer barrel body 1 is simultaneously pressed against the outer surface of the shoulder 21 and the neck 22 of the inner barrel body 2.
  • the inner side of the outer barrel 1 is an arc-shaped bend pressed against the inner edge of the shoulder 21 of the inner barrel 2, and there is still a certain gap above the other position of the shoulder 21 of the inner barrel 2.
  • the outer barrel body 1 can limit the inner barrel body 2 by pressing the curved portion of the neck 22 and the inner edge of the shoulder 21 of the inner barrel body 2 to prevent the inner barrel body 2 from expanding and deforming upward.
  • Embodiment 5 is a diagrammatic representation of Embodiment 5:
  • the structure of the double-layered wine barrel is basically the same as that of the first embodiment, except that as shown in FIG. 6, the inner side of the outer barrel body 1 is only pressed against the outer surface of the shoulder 21 of the inner barrel body 2, and the inner barrel body 2 has a neck. There is a certain gap between the outer surface of the portion 22 and the inner surface of the outer barrel body 1. At this time, the outer barrel body 1 can limit the inner barrel body 2 by pressing against the shoulder portion 21 of the inner barrel body 2 to prevent the inner barrel body 2 from expanding upward and deforming. .
  • Embodiment 6 is a diagrammatic representation of Embodiment 6
  • the structure of the double-layered wine barrel is basically the same as that of the first embodiment, except that as shown in FIG. 7, the inner side of the outer barrel body 1 is only pressed against the outer surface of the neck 22 of the inner barrel body 2, and the inner barrel body 2 is shouldered. There is a certain gap between the outer surface of the portion 21 and the inner surface of the outer barrel body 1. At this time, the outer diameter of the curved bend at the lower end of the neck 22 of the inner barrel body 2 gradually increases, so the inner barrel body 2 can also be restricted. Prevent the inner barrel body 2 from expanding and deforming upward.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Tubes (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)

Abstract

一种双层酒桶，包括外桶体（1）和位于外桶体（1）内且塑料制成的内桶体（2），外桶体（1）的底部固定有底座（3），在外桶体（1）的下部具有对内桶体（2）底部边沿位置进行支撑的支撑部（11），内桶体（1）的桶口处安装有酒矛（4），在内桶体（2）的上部具有环绕桶口设置的肩部（21）和颈部（22），外桶体（1）上部的内侧面压靠在内桶体（2）的肩部（21）和/或颈部（22）外侧面上，内桶体（2）底部位于支撑部（11）内侧的部位与底座（2）之间具有供内桶体（2）底部向下膨胀的膨胀空间。本双层酒桶内部加压时酒矛安装稳定性较高。

Description

一种双层酒桶 技术领域
本发明属于酒水饮用设备技术领域，涉及一种双层酒桶。
背景技术
酒桶是一种用于盛放酒水的工具，一般分为金属酒桶和塑料酒桶，塑料酒桶成本低且质量轻，运输成本大大降低，且在移动与搬运上也具有相当的优势，故塑料酒桶在目前的市场上应用越来越广，鉴于塑料酒桶在强度上比金属酒桶低，因此设计成双层酒桶，通过外层桶体对内层桶体进行保护，如专利文件(申请号：201721211474.6)公开的一种塑料酒桶，包括塑料材质的外桶体和内桶体，而取酒时需要向内桶体内压入高压气体，通过高压气体将酒水挤出，同时在空桶运输时为了避免酒桶被挤压变形，也需要向空桶内注入高压气体，从而在内桶体内形成一定的气压，这种做法也是为了能够使内桶体能够充分膨胀形变，内桶体的各部位充分展开来消除应力集中，并与外桶体充分接触，然而上述塑料酒桶的内桶体桶口处设有酒矛，同时酒矛又与外桶体的桶口连接，即酒矛决定了内桶体的桶口位置与外桶体的桶口位置是相对固定的，在内桶体的肩部外侧面与外桶体的肩部内侧面之间存在明显的间隙，当内桶体出现膨胀形变时内桶体的桶口会向上移位，容易导致内桶体的桶口与酒矛脱离，或者酒矛与外桶体的桶口脱离而使得酒矛移位，这些不但影响酒矛的安装稳定性，也会影响分配器等取酒设备与酒矛的匹配安装，当然如专利文件(US2004/0011828A1)公开的塑料酒桶，其内桶体的上方也具有较大的空间，内桶体的上部在内部压力下也会出现向上的膨胀形变，这也将导致内桶体桶口处的酒矛发生移位，影响与其他取酒 设备的匹配连接。
鉴于上述技术缺陷，由于最终导致的是酒矛的移位，因此本领域技术人员更容易想到对酒矛进行加强，如增加酒矛与外桶体及内桶体之间的连接强度，如专利文件(申请号：201480047167.1)公开的一种容器，包括内桶体和外桶体，通过附图2B可以明显看出内桶体的肩部上方存在空间，当内桶体内压入高压气体时内桶体的上部也会向上膨胀形变，为此说明书第38段指出，外壳的顶部还具有套环，其环绕阀部件延伸，保护阀部件，第42段指出，套环的内径小于阀部件的外径，并结合附图2B可以看出，通过套环的下部包裹住阀部件，从而提高与阀部件的连接强度，避免阀部件移位等，虽然阀部件与外桶体具有较好的连接稳定性，但是由于内桶体内的压力很大，还是容易导致内桶体桶口边沿与阀组件出现开裂等影响稳定性的现象。
发明内容
本发明的目的是针对现有的技术存在上述问题，提出了一种双层酒桶，用于解决内部加压时导致酒矛安装稳定性变差的问题。
本发明的目的可通过下列技术方案来实现：一种双层酒桶，包括外桶体和位于外桶体内且塑料制成的内桶体，所述外桶体的底部固定有底座，在外桶体的下部具有对内桶体底部边沿位置进行支撑的支撑部，所述内桶体的桶口处安装有酒矛，在内桶体的上部具有环绕桶口设置的肩部和颈部，其特征在于，所述外桶体上部的内侧面压靠在内桶体的肩部和/或颈部外侧面上，所述内桶体底部位于支撑部内侧的部位与底座之间具有供内桶体底部向下膨胀的膨胀空间。
外桶体通过支撑部对内桶体进行支撑，在支撑部的限制下外桶体相压靠在内桶体的肩部或者颈部上，当然也可以同时压靠在肩部以及颈部上，其中颈部是指内桶体桶口处的直筒状部位，其 位置高于肩部，其外径小于内桶体桶身的外径，而肩部则是内桶体桶身与颈部之间的部位，其外边沿与桶身上端弧形弯折过渡，其内边沿与颈部下端弧形弯折过渡，而肩部内边沿和外边沿处的弧形弯折部位应当理解为肩部的一部分，使得内桶体相对外桶体保持稳定，当双层酒桶进行空桶运输而向内桶体内部充气加压或者当需要取酒而向内桶体内充气加压时，塑料材质的内桶体会产生膨胀形变，而由于内桶体的底部与底座之间具有膨胀空间，该膨胀空间位于支撑部内侧，且外桶体的上部内侧面压靠在内桶体的肩部外侧面上，而肩部是环绕桶口设置的，因此内桶体的底部会在内部压力下向下膨胀，而内桶体的肩部以及肩部内侧的桶口部位不会向上膨胀形变，即内桶体的桶口与外桶体的桶口相对位置不会发生改变，因此两者与酒矛的安装位置稳定，避免因为内桶体桶口位置改变导致酒矛与外桶体或者内桶体发生脱离等导致酒矛安装不稳定的现象，当然也能够避免因为酒矛相对外桶体的桶口位置发生移位导致分配器等取酒设备难以匹配安装的现象，当然当外桶体的内侧面压靠在颈部的外侧面上时，由于颈部下端弧形弯折处的外径逐渐变大，因此外桶体的内侧面同样能够对内桶体进行限位，防止其向上膨胀变形。
在上述的双层酒桶中，所述肩部的外侧面为平面、锥面或者弧面，所述外桶体的内侧面与肩部的外侧面相贴合压靠。肩部是内桶体桶身与桶口的衔接部位，具有一个朝上或者倾斜朝上的外侧面，因此外桶体能够对肩部产生向下或者倾斜向下的定位限制，而两者之间的面接触压靠也使得整个肩部处于稳定状态，能够阻断内桶体其他部位的膨胀形变传递至肩部内侧位置，进而避免在内部压力下内桶体的桶口位置发生改变。
在上述的双层酒桶中，所述外桶体和内桶体均具有直筒状的桶身，所述外桶体的桶身内侧面与内桶体的桶身外侧面相贴合。内桶体直筒状的桶身使得内桶体在轴向上进行膨胀，结合内桶体 外侧面与外桶体内侧面的贴合设置，使得内桶体只能够通过底部向膨胀空间方向来进行膨胀形变，避免内桶体的桶口位置或者内桶体的上部出现膨胀形变，使得内桶体的上部与外桶体的上部保持相对稳定。
在上述的双层酒桶中，所述外桶体和内桶体均具有直筒状的桶身，所述外桶体的桶身内侧面与内桶体的桶身外侧面之间具有宽度小于5mm的间隙。外桶体桶身与内桶体桶身之间的间隙用于内桶体径向膨胀，使得内桶体充分膨胀并与外桶体内侧面均匀接触，避免出现内桶体局部应力集中而出现爆裂，当然鉴于内桶体的肩部已经受到外桶体的压靠限制，因此内桶体的径向膨胀并不会传递至桶口位置。
在上述的双层酒桶中，所述支撑部通过外桶体的下部径向收缩形成，且支撑部呈环形，所述支撑部具有倾斜朝上的抵靠面和倾斜朝下的支撑面，所述抵靠面与内桶体底部的边沿位置相抵靠。支撑部通过径向收缩形成，即内侧径向向内凸出，外侧径向向内凹陷，且支撑部呈周向环形设置，因此支撑部起到加强筋的作用，能够使外桶体的下部强度更高，避免在内桶体的重力以及膨胀力下出现形变，而倾斜的支撑面能够对抵靠面起到较好的支撑，抵靠面倾斜设置，因此当内桶体的桶身向下膨胀变形时，内桶体底部的边沿位置能够相对抵靠面向下滑动，实现内桶体底部的膨胀变形。
在上述的双层酒桶中，所述内桶体的桶身外侧面与桶底外侧面通过弧面衔接，且内桶体通过弧面与支撑部的抵靠面相抵靠。当内桶体的桶身向下膨胀变形时，弧面更有利于相对抵靠面滑动，使得内桶体的底部膨胀形变。
在上述的双层酒桶中，所述内桶体的桶底呈弧形，且内桶体桶底的中部低于支撑部。内桶体弧形的桶底能够对膨胀形变起到导向，使得内桶体内压力变大时桶底优先出现向下的膨胀形变。
在上述的双层酒桶中，所述底座上周向具有环形的插槽，且插槽的槽口朝上，所述外桶体的下端边沿向下插接在插槽内，且外桶体的下端外侧面与底座的插槽槽壁紧配合。外桶体的下端边沿插接定位在底座的插槽内，实现两者的相对连接，而如果膨胀空间不足，导致内桶体的桶体膨胀形变并与底座抵触时，由于外桶体采用向下插接并通过紧配合定位的方式与底座连接，因此外桶体能够相对底座向上松动移位，从而使得膨胀空间变大，以便内桶体充分的膨胀，消除应力集中现象。
与现有技术相比，本双层酒桶具有以下优点：
1、由于内桶体底部与底座之间具有膨胀空间，且外桶体的上部内侧面压靠在内桶体的肩部外侧面上，因此内桶体底部会在内部压力下向下膨胀，而内桶体肩部以及肩部内侧桶口部位不会向上膨胀形变，即内桶体的桶口与外桶体的桶口相对位置不会发生改变，因此两者与酒矛的安装位置稳定，避免因为内桶体桶口位置改变导致酒矛与外桶体或者内桶体发生脱离等导致酒矛安装不稳定的现象。
2、由于内桶体的肩部受到外桶体的压靠限制，因此能够避免因为酒矛相对外桶体的桶口位置发生移位导致分配器等取酒设备难以匹配安装的现象。
3、由于外桶体采用向下插接的方式，即外桶体与底座之间存在装配间隙，因此如果膨胀空间不足，导致内桶体的桶体膨胀形变并与底座抵触时，外桶体能够相对底座向上松动移位，从而使得膨胀空间变大，以便内桶体充分的膨胀，消除应力集中现象。
附图说明
图1是双层酒桶的结构剖视图。
图2是双层酒桶中内桶体的底部向下膨胀形变时的结构剖视图。
图3是实施例二中双层酒桶的结构剖视图。
图4是实施例三中双层酒桶的局部结构剖视图。
图5是实施例四中双层酒桶的局部结构剖视图。
图6是实施例五中双层酒桶的局部结构剖视图。
图7是实施例六中双层酒桶的局部结构剖视图。
图中，1、外桶体；11、支撑部；111、抵靠面；112、支撑面；2、内桶体；21、肩部；22、颈部；3、底座；31、插槽；4、酒矛；5、膨胀空间。
具体实施方式
以下是本发明的具体实施例并结合附图，对本发明的技术方案作进一步的描述，但本发明并不限于这些实施例。
实施例一：
如图1、图2所示，一种双层酒桶，包括外桶体1和内桶体2，两者均采用PET材料制成，内桶体2位于外桶体1内部，外桶体1的下端贯通，且在外桶体1的底部固定有底座3，内桶体2包括颈部22、肩部21和桶身，颈部22呈直筒状，颈部22的上端端口为桶口，在内桶体2的桶口处安装有酒矛4，用于连接分配器等取酒设备，肩部21环绕桶口设置，其外侧面为锥面，当然肩部21的外侧面也可以是环形的平面或者弧面，肩部21与颈部22以及桶身之间的转角采用弧形设计，在转角位置的外侧面与外桶体1转角位置的内侧面之间可以具有间隙，因为转角设计具有较大的强度，不会在内部压力作用下出现膨胀形变，当然内桶体2在转角位置的外侧面与外桶体1转角位置的内侧面可以相贴合，内桶体2的桶身也呈直筒状，其高度在直径的1.66倍以上，外桶体1的桶身内侧面与内桶体2的桶身外侧面相贴合。外桶体1上部的内侧面贴合压靠在肩部21以及颈部22的外侧面上，外桶体1的下部具有支撑部11，内桶体2底部的边沿位置抵靠在支撑部11 上，即外桶体1通过支撑部11对内桶体2进行支撑，而内桶体2底部位于支撑部11内侧的部位与底座3之间具有供内桶体2底部向下膨胀的膨胀空间5。
支撑部11通过外桶体1的下部径向收缩形成，且支撑部11呈环形，支撑部11具有倾斜朝上的抵靠面111和倾斜朝下的支撑面112，而内桶体2的桶身外侧面与桶底外侧面通过弧面衔接，且内桶体2通过弧面与支撑部11的抵靠面111相抵靠，当内桶体2的桶身向下膨胀变形时，弧面更有利于相对抵靠面111滑动，使得内桶体2的底部向下膨胀形变，内桶体2的桶底呈弧形，且内桶体2桶底的中部低于支撑部11。底座3上周向具有环形的插槽31，且插槽31的槽口朝上，外桶体1的下端边沿向下插接在插槽31内，且外桶体1的下端外侧面与底座3的插槽31槽壁紧配合，如果膨胀空间5不足，导致内桶体2的桶体膨胀形变并与底座3抵触时，由于外桶体1采用向下插接并通过紧配合定位的方式与底座3连接，因此外桶体1能够相对底座3向上松动移位，从而使得膨胀空间5变大，以便内桶体2充分的膨胀，消除应力集中现象。
实施例二：
该双层酒桶的结构与实施例一基本相同，不同点在于如图3所示，外桶体1的桶身内侧面与内桶体2的桶身外侧面之间具有宽度小于5mm的间隙，用于内桶体2径向膨胀，使得内桶体2充分膨胀并与外桶体1内侧面均匀接触，避免出现内桶体2局部应力集中而出现爆裂。
实施例三：
该双层酒桶的结构与实施例一基本相同，不同点在于如图4所示，外桶体1的内侧面同时压靠在内桶体2的肩部21和颈部22外侧面上，其中在肩部21位置，外桶体1内侧面是压靠在内桶体2肩部21外边沿的弧形弯折处，而内桶体2肩部21的其他 位置上方仍然具有一定的空隙，此时外桶体1能够通过压靠内桶体2的颈部22以及肩部21外边沿的弧形弯折部位对内桶体2进行限位，防止内桶体2向上膨胀变形。
实施例四：
该双层酒桶的结构与实施例一基本相同，不同点在于如图5所示，外桶体1的内侧面同时压靠在内桶体2的肩部21和颈部22外侧面上，其中在肩部21位置，外桶体1内侧面是压靠在内桶体2肩部21内边沿的弧形弯折处，而内桶体2肩部21的其他位置上方仍然具有一定的空隙，此时外桶体1能够通过压靠内桶体2的颈部22以及肩部21内边沿的弧形弯折部位对内桶体2进行限位，防止内桶体2向上膨胀变形。
实施例五：
该双层酒桶的结构与实施例一基本相同，不同点在于如图6所示，外桶体1的内侧面仅仅压靠在内桶体2的肩部21外侧面上，而内桶体2颈部22外侧面与外桶体1内侧面之间具有一定的空隙，此时外桶体1能够通过压靠内桶体2的肩部21对内桶体2进行限位，防止内桶体2向上膨胀变形。
实施例六：
该双层酒桶的结构与实施例一基本相同，不同点在于如图7所示，外桶体1的内侧面仅仅压靠在内桶体2的颈部22外侧面上，而内桶体2肩部21外侧面与外桶体1内侧面之间具有一定的空隙，此时内桶体2颈部22下端的弧形弯折处外径逐渐变大，因此也能够对内桶体2进行限位，防止内桶体2向上膨胀变形。
本文中所描述的具体实施例仅仅是对本发明精神作举例说明。本发明所属技术领域的技术人员可以对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，但并不会偏离本发明的精神或者超越所附权利要求书所定义的范围。
尽管本文较多地使用了外桶体1、支撑部11、抵靠面111等 术语，但并不排除使用其它术语的可能性。使用这些术语仅仅是为了更方便地描述和解释本发明的本质；把它们解释成任何一种附加的限制都是与本发明精神相违背的。

Claims (8)

  1. 一种双层酒桶，包括外桶体(1)和位于外桶体(1)内且塑料制成的内桶体(2)，所述外桶体(1)的底部固定有底座(3)，在外桶体(1)的下部具有对内桶体(2)底部边沿位置进行支撑的支撑部(11)，所述内桶体(2)的桶口处安装有酒矛(4)，在内桶体(2)的上部具有环绕桶口设置的肩部(21)和颈部(22)，其特征在于，所述外桶体(1)上部的内侧面压靠在内桶体(2)的肩部(21)和/或颈部(22)外侧面上，所述内桶体(2)底部位于支撑部(11)内侧的部位与底座(3)之间具有供内桶体(2)底部向下膨胀的膨胀空间(5)。
  2. 根据权利要求1所述的双层酒桶，其特征在于，所述肩部(21)的外侧面为平面、锥面或者弧面，所述外桶体(1)的内侧面与肩部(21)的外侧面相贴合压靠。
  3. 根据权利要求2所述的双层酒桶，其特征在于，所述外桶体(1)和内桶体(2)均具有直筒状的桶身，所述外桶体(1)的桶身内侧面与内桶体(2)的桶身外侧面相贴合。
  4. 根据权利要求2所述的双层酒桶，其特征在于，所述外桶体(1)和内桶体(2)均具有直筒状的桶身，所述外桶体(1)的桶身内侧面与内桶体(2)的桶身外侧面之间具有宽度小于5mm的间隙。
  5. 根据权利要求1或2或3或4所述的双层酒桶，其特征在于，所述支撑部(11)通过外桶体(1)的下部径向收缩形成，且支撑部(11)呈环形，所述支撑部(11)具有倾斜朝上的抵靠面(111)和倾斜朝下的支撑面(112)，所述抵靠面(111)与内桶体(2)底部的边沿位置相抵靠。
  6. 根据权利要求5所述的双层酒桶，其特征在于，所述内桶体(2)的桶身外侧面与桶底外侧面通过弧面衔接，且内桶体(2)通过弧面与支撑部(11)的抵靠面(111)相抵靠。
  7. 根据权利要求6所述的双层酒桶，其特征在于，所述内桶 体(2)的桶底呈弧形，且内桶体(2)桶底的中部低于支撑部(11)。
  8. 根据权利要求1或2或3或4所述的双层酒桶，其特征在于，所述底座(3)上周向具有环形的插槽(31)，且插槽(31)的槽口朝上，所述外桶体(1)的下端边沿向下插接在插槽(31)内，且外桶体(1)的下端外侧面与底座(3)的插槽(31)槽壁紧配合。
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