Double-section vacuum bottle

Abstract

The utility model relates to a double-section vacuum bottle which aims at solving the technical problems that bottle bodies of existing similar products are fixed in form, assemblies at the two ends are difficult to be independently used after being detached, and the design of different volumes at the two ends is lacked. Bottle caps at bottle openings at two ends of a bottle body of the vacuum bottle are respectively provided with a pump core assembly, each bottle cap comprises a large ring and a shoulder sleeve, and large pistons are respectively arranged in a large cavity and a small cavity which are separated in the bottle body; the key point is that the bottle body comprises a first bottle body and a second bottle body which are different in cavity volume, one end of the first bottle body is connected with one end of the second bottle body to form an integrated bottle body, a first through hole and a second through hole are respectively arranged at the joint corresponding to the bottom of the bottle body, and symmetrical openings are arranged at a convex ring opening at the inner diameter of a bottle opening of the second bottle body at the joint. A protruding ring opening in the inner diameter position of a bottle opening of the second bottle body is connected with an inner ring rib in the inner diameter position of a bottle opening of the first bottle body through internal and external threads or a concave-convex buckle, and an internal thread at the joint of the internal and external threads of the first bottle body or a concave buckle at the joint of the concave-convex buckle is disconnected.

Description

Technical Field

[0001] This utility model relates to a vacuum bottle, specifically a double-section vacuum bottle. Background Technology

[0002] A vacuum bottle is a container used to isolate gases from external temperatures or to isolate cosmetics from external bacteria. It generally consists of a cylindrical container with a piston at the bottom. Some existing vacuum bottles are designed for simultaneous use of two liquids. Some have two pump heads at the bottle opening, while others have pump heads at both ends of the bottle body. Examples include Chinese patent application number 202323630390.4, authorized on October 1, 2024, entitled "High-rigidity polymer vacuum bottle based on double-headed pressing"; and Chinese patent application number 202321780903.7, authorized on January 12, 2024, entitled "A dual-storage-cavity eye cream bottle." These products and similar products have nozzles or pump head assemblies at both ends of the bottle body, but their bottle structure is relatively fixed, the capacity is generally the same, and they rarely adopt a two-part structure design, making them difficult to disassemble for independent use. Summary of the Invention

[0003] To overcome the aforementioned shortcomings, the purpose of this utility model is to provide a double-section vacuum bottle in the field, which solves the technical problems of existing similar products having a relatively fixed bottle shape, difficulty in disassembling the components at both ends for independent use, and the lack of a design with different volumes at both ends. This objective is achieved through the following technical solution.

[0004] A double-section vacuum bottle has pump core assemblies mounted on caps at both ends of the bottle body. Each cap includes a large ring and a shoulder sleeve. Large pistons are located in separate cavities within the bottle body. The key structural design features a first and second bottle body with different cavity volumes. One end of the first bottle body is connected to one end of the second bottle body to form a single unit. The bottom of the first and second bottle bodies at the connection point has a first through hole and a second through hole, respectively. A symmetrically arranged opening is located on a raised ring at the inner diameter of the second bottle body's opening. This raised ring is connected to the inner ring of the first bottle body's opening via an outer ring rib using internal and external threads or a snap-fit ​​connection. The internal thread or snap-fit ​​connection of the first bottle body is disconnected. This structure ensures airflow at the connection point between the first and second bottle bodies and their normal operation. The first and second bottle bodies are cylindrical, elliptical, or prismatic in shape.

[0005] The large rings are respectively fastened and fixed to the inner diameter of the shoulder sleeve opening, forming a partition cavity. The shoulder sleeves are respectively fastened and fixed to the bottle opening of the first or second bottle. The cover opening is respectively fastened and fixed to the outer diameter of the shoulder sleeve opening. The top pump port of the pump body of the pump core assembly is respectively fastened and fixed to the upper center hole inside the large ring. The bottom of the pump body extends out of the lower center hole inside the shoulder sleeve inside the first or second bottle, and they are sealed with an interference fit. The above is an embodiment of the connection between the shoulder sleeves and large rings at both ends and their corresponding first or second bottle bodies.

[0006] The large ring and shoulder sleeve at the bottle mouth of the first and second bottles are integrally formed, and the partition cavity is omitted.

[0007] This utility model has a reasonable structural design, is easy to use, carry, and disassemble, and has good sealing performance; it is mainly used as a double-section vacuum bottle with different cavities and disassembly of components at both ends, and is an improvement on the structure of similar products. Attached Figure Description

[0008] Figure 1 This is a cross-sectional structural diagram of the present invention.

[0009] Figure 2 yes Figure 1 A schematic diagram of the three-dimensional structure, with the dotted lines representing the first bottle body and the large piston inside.

[0010] Figure 3 yes Figure 2 A schematic diagram of the structure in the open state at the connection between the first and second bottles.

[0011] Figure 4 yes Figure 1 A schematic diagram of the improved structure.

[0012] Attached figures and their names: 1. Outer cover, 2. Head cap, 3. Pump core assembly, 4. Large ring, 5. Shoulder sleeve, 6. First bottle body, 601. First through hole, 602. Inner ring rib, 7. Large piston, 8. Second bottle body, 801. Second through hole, 802. Outer ring rib, 9. Spacer layer. Implementation

[0013] The structure of this utility model will now be further described with reference to the accompanying drawings. For example... Figures 1-3As shown, the vacuum bottle has pump core assemblies 3 at both ends of the bottle mouth. The bottle cap includes a large ring 4 and a shoulder sleeve 5. Large pistons 7 are respectively installed in the large and small cavities separated inside the bottle. The bottle body includes a first bottle body 6 and a second bottle body 8 with different cavity volumes of 30ml and 10ml respectively. One end of the first bottle body is connected to one end of the second bottle body to form a cylindrical bottle body. The bottom of the first bottle body and the bottom of the second bottle body at the connection point are respectively provided with a first through hole 601 and a second through hole 801. The protruding ring at the inner diameter of the bottle mouth of the second bottle body at the connection point has symmetrically arranged openings. The protruding ring at the inner diameter of the bottle mouth of the second bottle body is connected to the inner ring rib 602 at the inner diameter of the bottle mouth of the first bottle body by internal and external threads or by a snap-fit ​​connection through an outer ring rib 802. The internal thread or the snap-fit ​​connection of the internal and external threads of the first bottle body is disconnected. The aforementioned large rings are respectively fastened and fixed to the inner diameter of the shoulder sleeve opening, and respectively form the partition cavity 9. The shoulder sleeves are respectively fastened and fixed to the bottle opening of the first bottle or the second bottle. The cover opening of the outer cover 1 is respectively fastened and fixed to the outer diameter of the shoulder sleeve opening. The top pump port of the pump body of the pump core assembly is respectively fastened and fixed to the upper center hole inside the large ring. The bottom of the pump body extends out of the lower center hole inside the shoulder sleeve inside the first bottle or the second bottle, and they are pressed together to form an interference seal.

[0014] To use, open one side of the outer cover, press the cap, and the liquid can be squeezed out; or open the connection between the first and second bottles to squeeze out the liquid from the corresponding first or second bottle respectively.

[0015] Based on the above structure and usage characteristics, such as Figure 4 As shown, the large ring and shoulder sleeve at the bottle mouth of the first and second bottles can also be integrally formed, and the partition cavity can be omitted.

Claims

1. A double-section vacuum bottle, wherein pump core assemblies (3) are respectively provided at the bottle caps at both ends of the bottle body, the bottle caps including a large ring (4) and a shoulder sleeve (5), and large pistons (7) are respectively provided in the large and small cavities separated inside the bottle body; characterized in that The bottle body includes a first bottle body (6) and a second bottle body (8) with different cavity volumes. One end of the first bottle body is connected to one end of the second bottle body to form an integral bottle body. The bottom of the first bottle body and the bottom of the second bottle body at the connection point are respectively provided with a first through hole (601) and a second through hole (801). The protruding ring at the inner diameter of the bottle mouth of the second bottle body at the connection point is provided with symmetrically arranged openings. The protruding ring at the inner diameter of the bottle mouth of the second bottle body is connected to the inner ring rib (602) at the inner diameter of the bottle mouth of the first bottle body through the outer ring rib (802) with internal and external threads or concave and convex buckles. The internal thread or concave and convex buckle at the internal and external thread connection of the first bottle body is disconnected.

2. The double-section vacuum bottle according to claim 1, characterized in that... The large ring (4) is fastened and fixed to the inner diameter of the sleeve opening of the shoulder sleeve (5) and forms a partition cavity (9). The shoulder sleeve is fastened and fixed to the bottle opening of the first bottle body (6) or the second bottle body (8). The cover opening of the outer cover (1) is fastened and fixed to the outer diameter of the sleeve opening of the shoulder sleeve. The top pump opening of the pump body of the pump core assembly (3) is fastened and fixed to the upper center hole inside the large ring. The bottom of the pump body extends out of the lower center hole inside the shoulder sleeve inside the first bottle body or the second bottle body and is sealed with an interference fit.

3. The double-section vacuum bottle according to claim 2, characterized in that... The large ring (4) and shoulder sleeve (5) at the bottle mouth of the first bottle body (6) and the second bottle body (8) are integrally formed, and the partition cavity (9) is omitted.

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