Vacuum structure of dropper bottle

Abstract

The utility model belongs to the technical field of dropper bottles, and particularly relates to a dropper bottle vacuum structure which comprises an outer bottle and an inner bottle, a pump core component is mounted at a lower port of the inner bottle, a nozzle communicated with the pump core component is mounted at the lower end of the outer bottle, a piston is arranged in a liquid storage cavity, and a button is mounted at an upper port of the inner bottle. A locking block is arranged on the periphery of the upper end of the inner bottle, a vertical limiting groove allowing the locking block to vertically move is formed in an upper end opening of the outer bottle, one end of the vertical limiting groove is communicated with a transverse limiting groove allowing the locking block to transversely move, and in the actual use process, firstly, the locking block is moved into the vertical limiting groove by rotating the button, then the button can be pressed, and the locking block can move to the vertical limiting groove. After the inner bottle is used, the locking block on the inner bottle moves from the upper end of the vertical limiting groove into the transverse limiting groove by rotating the button again, at the moment, up-and-down movement of the inner bottle can be limited, and therefore the problem that the internal materials are extruded due to the fact that the button is touched by mistake can be prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of dropper bottles, in particular to a dropper bottle vacuum structure. Background Art

[0002] The dropper bottle device currently available on the market has a cap at the head and a button at the tail, and the liquid inside flows out from the nozzle by pressing the button.

[0003] For example, a Chinese utility model, with publication number CN209321474U, discloses an essence dropper bottle, comprising an outer cover, an outer bottle, an inner bottle and a knurled cover, wherein the knurled cover is snap-connected to the inner bottle, the inner bottle is threadedly connected to the outer cover, a convex circle is provided inside the outer cover, the convex circle is located at the bottom of the outer cover, and the outer cover is located below the outer bottle, the outer bottle is sleeved on the inner bottle, a liquid outlet pipe is provided at the lower end of the inner bottle, and the liquid outlet pipe is snap-connected to the convex circle.

[0004] In actual use, it is easy to accidentally touch the button, causing the material to be squeezed out of the material body, which can easily cause contamination of the cover, so the structure needs to be further improved. Utility Model Content

[0005] The utility model aims to provide a dropper bottle vacuum structure, which solves the problem of material outflow caused by mistakenly touching a button through a limiting groove and a locking block.

[0006] The purpose of the utility model is achieved as follows: a dropper bottle vacuum structure comprises an outer bottle and an inner bottle, a liquid storage cavity is formed in the inner bottle, a pump core assembly is installed at the lower port of the inner bottle, a nozzle connected with the pump core assembly is installed at the lower end of the outer bottle, an outer cover is installed at the outer periphery of the nozzle, a piston is arranged in the liquid storage cavity, a button is installed at the upper port of the inner bottle, a locking block is arranged at the outer periphery of the upper end of the inner bottle, a vertical limiting groove for vertical movement of the locking block is formed at the upper port of the outer bottle, and one end of the vertical limiting groove is connected with a horizontal limiting groove for horizontal movement of the locking block.

[0007] Preferably, a mounting portion is formed at the upper end of the outer bottle, an annular convex strip is formed on the outer periphery of the mounting portion, a middle section is installed on the outer periphery of the mounting portion, and an annular groove is formed on the inner periphery of the middle section for the annular convex strip to be clamped.

[0008] Preferably, a decorative ring is provided between the upper end of the middle section and the button, a first buckle is formed on the upper end of the middle section, and a second buckle cooperating with the first buckle is formed on the lower end of the decorative ring.

[0009] Preferably, the outer cover comprises an alumina outer cover and an outer cover lining, a receiving cavity for receiving the nozzle is formed in the outer cover lining, and a sealing plug is provided at the bottom of the receiving cavity.

[0010] Preferably, the outer cover comprises an alumina outer cover and an outer cover lining, a receiving cavity for receiving the nozzle is formed in the outer cover lining, and a sealing plug is provided at the bottom of the receiving cavity.

[0011] Preferably, the upper periphery of the inner bottle is formed with an annular limit platform for the lower end of the button to abut against, the upper periphery of the inner bottle is formed with an annular convex strip 2, and the inner periphery of the button is formed with an annular groove 2 for the annular convex strip 2 to be clamped.

[0012] Preferably, a clamping strip is provided on the outer wall of the upper end of the inner bottle, and the clamping strip is arranged vertically, and a clamping groove for clamping the clamping strip is formed on the inner wall of the button.

[0013] Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:

[0014] The utility model adopts the design of the locking block and the limiting groove, so that in actual use, the inner bottle is first rotated by rotating the button to move the locking block into the vertical limiting groove, and then the button can be pressed to drive the inner bottle to move up and down, and the material in the inner bottle is squeezed out from the nozzle for use through the pump core assembly. After use, the button is rotated again to move the locking block on the inner bottle from the upper end of the vertical limiting groove to the horizontal limiting groove, and the up and down movement of the inner bottle can be restricted at this time, thereby preventing the problem of internal material being squeezed out due to accidental touching of the button. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0016] Figure 2 It is a cross-sectional structural schematic diagram of the utility model.

[0017] Figure 3 It is a schematic diagram of the exploded structure of parts of the utility model.

[0018] Figure 4 It is a schematic diagram of the structure of the outer bottle and the inner bottle.

[0019] Figure 5 It is a schematic diagram of the structure of the button, decorative ring and middle section.

[0020] Figure markings: 1-outer bottle; 2-inner bottle; 3-liquid storage cavity; 4-pump core assembly; 5-nozzle; 6-outer cover; 7-piston; 8-button; 9-locking block; 10-vertical limit groove; 11-lateral limit groove; 12-installation portion; 13-annular ridge one; 14-annular groove one; 15-decorative ring; 16-clip one; 17-clip two; 18-middle section; 19-alumina outer cover; 20-outer cover lining; 21-accommodating cavity; 22-sealing plug; 23-visible window; 24-annular limit platform; 25-annular ridge two; 26-annular groove two; 27-clip strip; 28-clip groove. DETAILED DESCRIPTION

[0021] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0022] like Figure 1-5 As shown, a dropper bottle vacuum structure comprises an outer bottle 1 and an inner bottle 2, wherein a liquid storage cavity 3 is formed in the inner bottle 2, a pump core assembly 4 is installed at the lower port of the inner bottle 2, and the pump core assembly 4 is an existing accessory, a nozzle 5 connected with the pump core assembly 4 is installed at the lower end of the outer bottle 1, and an outer cover 6 is installed at the outer periphery of the nozzle 5, a piston 7 is arranged in the liquid storage cavity 3, a button 8 is installed at the upper port of the inner bottle 2, a locking block 9 is arranged at the outer periphery of the upper end of the inner bottle 2, a vertical limiting groove 10 for vertical movement of the locking block 9 is formed at the upper port of the outer bottle 1, and one end of the vertical limiting groove 10 is connected with a horizontal limiting groove 11 for horizontal movement of the locking block 9.

[0023] The utility model adopts the design of the locking block 9 and the limiting groove 11, so that in actual use, the inner bottle 2 is first driven to rotate by rotating the button 8 to move the locking block 9 into the vertical limiting groove 10, and then the button 8 can be pressed to drive the inner bottle 2 to move up and down, and the material in the inner bottle 2 is squeezed out from the nozzle 5 through the pump core assembly 4. After use, the button 8 is rotated again to move the locking block 9 on the inner bottle 2 from the upper end of the vertical limiting groove 10 to the horizontal limiting groove 11. At this time, the up and down movement of the inner bottle 2 can be restricted, thereby preventing the problem of internal material being squeezed out due to accidental touching of the button.

[0024] The upper end of the outer bottle 1 is formed with a mounting portion 12, the outer periphery of the mounting portion 12 is formed with an annular convex strip 13, the outer periphery of the mounting portion 12 is mounted with a middle section 18, the inner periphery of the middle section 18 is formed with an annular groove 14 for the annular convex strip 13 to be clamped, thereby realizing a detachable connection between the middle section 18 and the outer bottle 1.

[0025] A decorative ring 15 is provided between the upper end of the middle section 18 and the button 8 , a buckle 16 is formed on the upper end of the middle section 18 , and a buckle 2 17 cooperating with the buckle 16 is formed on the lower end of the decorative ring 15 , which is convenient for disassembly and assembly.

[0026] The outer cover 6 includes an aluminum oxide outer cover 19 and an outer cover lining 20. The outer cover 6 is harder than the existing plastic outer cover. A accommodating cavity 21 for accommodating the nozzle 5 is formed in the outer cover lining 20. A sealing plug 22 is provided at the bottom of the accommodating cavity 21. After the outer cover 6 is covered, the sealing plug 22 can seal the liquid outlet of the nozzle 5 to further prevent the internal material from flowing out.

[0027] A visual window 23 is provided on the side wall of the outer bottle 1 to facilitate observation of the usage of the material in the inner bottle 2 .

[0028] The upper periphery of the inner bottle 2 is formed with an annular limit platform 24 for the lower end of the button 8 to abut against, the upper periphery of the inner bottle 2 is formed with an annular convex strip 25, and the inner periphery of the button 8 is formed with an annular groove 26 for the annular convex strip 25 to be clamped, thereby realizing the connection between the button 8 and the inner bottle 2, and the connection structure is simple.

[0029] The upper outer wall of the inner bottle 2 is provided with a clamping strip 27 which is arranged vertically. The inner wall of the button 8 is formed with a clamping groove 28 for the clamping strip 27 to be clamped. When the button 8 is rotated, the inner bottle 2 can be driven to rotate together.

[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A dropper bottle vacuum structure, characterized in that: The invention comprises an outer bottle (1) and an inner bottle (2), wherein a liquid storage cavity (3) is formed in the inner bottle (2), a pump core assembly (4) is installed at the lower end of the inner bottle (2), a nozzle (5) connected to the pump core assembly (4) is installed at the lower end of the outer bottle (1), an outer cover (6) is installed on the outer periphery of the nozzle (5), a piston (7) is arranged in the liquid storage cavity (3), a button (8) is installed at the upper end of the inner bottle (2), a locking block (9) is arranged on the outer periphery of the upper end of the inner bottle (2), a vertical limiting groove (10) for vertical movement of the locking block (9) is formed at the upper end of the outer bottle (1), and one end of the vertical limiting groove (10) is connected to a horizontal limiting groove (11) for horizontal movement of the locking block (9).

2. The dropper bottle vacuum structure according to claim 1, characterized in that: The upper end of the outer bottle (1) is formed with a mounting portion (12), the outer periphery of the mounting portion (12) is formed with an annular convex strip (13), the outer periphery of the mounting portion (12) is mounted with a middle section (18), and the inner periphery of the middle section (18) is formed with an annular groove (14) for the annular convex strip (13) to be clamped.

3. The dropper bottle vacuum structure according to claim 2, characterized in that: A decorative ring (15) is provided between the upper end of the middle section (18) and the button (8), a buckle 1 (16) is formed on the upper end of the middle section (18), and a buckle 2 (17) cooperating with the buckle 1 (16) is formed on the lower end of the decorative ring (15).

4. The dropper bottle vacuum structure according to claim 1, characterized in that: The outer cover (6) comprises an aluminum oxide outer cover (19) and an outer cover inner liner (20), wherein a receiving cavity (21) for receiving the nozzle (5) is formed in the outer cover inner liner (20), and a sealing plug (22) is provided at the bottom of the receiving cavity (21).

5. The dropper bottle vacuum structure according to claim 1, characterized in that: A visual window (23) is provided on the side wall of the outer bottle (1).

6. The dropper bottle vacuum structure according to claim 1, characterized in that: The outer periphery of the upper end of the inner bottle (2) is formed with an annular limiting platform (24) for the lower end of the button (8) to abut against, the outer periphery of the upper end of the inner bottle (2) is formed with an annular convex strip (25), and the inner periphery of the button (8) is formed with an annular groove (26) for the annular convex strip (25) to be clamped.

7. The dropper bottle vacuum structure according to claim 6, characterized in that: The upper outer wall of the inner bottle (2) is provided with a clamping strip (27), which is arranged vertically, and the inner wall of the button (8) is formed with a clamping groove (28) for the clamping strip (27) to be clamped.

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