Self-suction dropper
The self-priming dropper design solves the problem of existing droppers requiring unscrewing the cap and squeezing the nozzle to draw liquid, achieving the effect of immediate aspiration upon opening the cap and quantitative aspiration, thus improving the user experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-03-20
AI Technical Summary
Existing dropper bottles require unscrewing the cap and squeezing the nozzle to draw liquid, which is inconvenient to use and results in inconsistent liquid volume each time.
A self-priming dropper was designed to automatically draw liquid by rotating the outer cap and to achieve quantitative drawing by changing the volume of the cavity. The dropper consists of a combination of a bottle body, shoulder sleeve, guide sleeve, outer cap, straw, and connector. It utilizes the cooperation of a spring and a guide block to achieve automatic liquid drawing and quantitative control.
It automatically draws liquid while the lid is opened, making it more convenient to use, and the amount of liquid drawn each time is standard and controllable.
Smart Images

Figure CN224014377U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cosmetic packing technical field more specifically, relate to a self-suction dropper. BACKGROUND
[0002] In prior art, the dropper bottle is mostly through extruding the extrusion head to suck liquid, needs to unscrew the bottle cap when using, can only pass through the suction tube to suck into the bottle material by extruding the extrusion head, it is more troublesome to use, and the dropper bottle is used, and the liquid quantity is unstable every time extruding the extrusion head, thus needs a technical scheme to solve the above problems. UTILITY MODEL CONTENTS
[0003] The utility model discloses a self-suction dropper can automatically suck liquid while uncapping, which overcomes the deficiencies of the prior art.
[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:
[0005] The utility model discloses a self-suction dropper, including bottle body, shoulder cover, guide sleeve, outer cover, movable cover, suction tube, connecting piece, the shoulder cover installs in the upper end opening department of bottle body, the shoulder cover with bottle body is through the thread connection between, the suction tube, connecting piece fixed mounting is in the shoulder cover, the lower end of suction tube enters the bottle body, the connecting piece is located above the suction tube, the connecting piece communicates the suction tube, the outer cover rotation installs in the shoulder cover, the guide sleeve is connected with the outer cover rotation, the guide sleeve with the shoulder cover is along the axial sliding connection, the movable cover fixed mounting is in the guide sleeve, the connecting piece is located at least partially in the guide sleeve, the sealing sliding fit between connecting piece and guide sleeve, the cavity is formed between connecting piece and guide sleeve, the cavity communicates the bottle body.
[0006] Further, including spring, the shoulder cover includes mounting seat and ring plate, the suction tube, connecting piece fixed mounting is in the mounting seat, the ring plate is located in the mounting seat periphery, the first installation groove is formed between the ring plate and the mounting seat, the movable cover is equipped with the second installation groove, both ends of spring are installed in the first installation groove and the second installation groove respectively.
[0007] Further, the shoulder cover is equipped with limit block, the limit block extends along the axis, the guide sleeve is equipped with the limit slot corresponding with the limit block.
[0008] Further, the guide sleeve is located at least partially in the outer cover, the sidewall of guide sleeve is equipped with guide groove, the lower end surface of guide groove is guide surface, the guide surface is inclined to set, the inner wall of outer cover is equipped with guide block, the lower end surface of guide block abuts against the guide surface.
[0009] Further, the guide surface comprises a first end and a second end, the first end is higher than the second end, at least a part of the first end and at least a part of the second end extend horizontally.
[0010] Further, the guide sleeve is provided with a bayonet, the bayonet is located on the outer side wall of the guide sleeve, the bayonet communicates with the lower end surface of the guide sleeve, and the bayonet is located below the second end.
[0011] Further, the outer side surface of the bayonet forms an inclined surface inclined to the inner wall of the guide sleeve.
[0012] Further, the inner wall of the outer cover is provided with a ring groove, the shoulder sleeve is provided with a convex strip corresponding to the ring groove, and the convex strip is located in the ring groove.
[0013] Further, the wiper is installed at the upper end opening of the bottle, the wiper comprises a baffle abutting against the upper end opening of the bottle, a sealing ring is installed between the baffle and the shoulder sleeve, the wiper is partially located in the bottle body, the lower end surface of the wiper is provided with a through hole, and the suction pipe passes through the through hole.
[0014] The utility model discloses the beneficial effects are:
[0015] The utility model discloses through rotating outer cover and opening bottle cap, and through suction pipe, liquid in bottle body is taken, and use is more convenient, and through the change of cavity volume makes that suction pipe can quantitatively take liquid every time, and suction pipe takes use is more standard. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a kind of sectional view for this embodiment.
[0017] Figure 2 It is a kind of sectional view for when guide sleeve in this embodiment is in the highest position.
[0018] Figure 3 It is a kind of schematic view for shoulder sleeve in this embodiment.
[0019] Figure 4 It is a kind of schematic view for guide sleeve in this embodiment.
[0020] Figure 5 It is a kind of schematic view for outer cover in this embodiment.
[0021] Label: 1, bottle body; 2, shoulder sleeve; 21, mounting seat; 22, ring plate; 23, first mounting groove; 24, limiting block; 25, ring groove; 3, guide sleeve; 31, guide groove; 311, guide surface; 3111, first end; 3112, second end; 32, limiting groove; 33, bayonet; 4, outer cover; 41, guide block; 42, convex strip; 5, spring; 6, movable cover; 61, second mounting groove; 7, suction tube; 8, connecting piece; 9, wiper; 91, baffle; 92, through hole; 101, cavity. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments will be described clearly and completely below with reference to the drawings in the embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0023] As shown in the drawings, Figures 1-5 The embodiment discloses a self-suction dropper, which comprises a bottle body 1, a shoulder sleeve 2, a guide sleeve 3, an outer cover 4, a spring 5, a movable cover 6, a suction tube 7 and a connecting piece 8. The shoulder sleeve 2 is installed at the upper end opening of the bottle body 1 and is connected with the bottle body 1 through threads. The shoulder sleeve 2 is connected with the bottle body 1 as a cover. The shoulder sleeve 2 comprises a mounting seat 21 and a ring plate 22. The mounting seat 21 is located at the center of the shoulder sleeve 2, and the ring plate 22 is located at the upper end face of the shoulder sleeve 2. The ring plate 22 extends upwards. The center of the mounting seat 21 is provided with a channel connecting the upper end face of the mounting seat 21 and the bottle body 1. The suction tube 7 and the connecting piece 8 are fixedly installed on the mounting seat 21. The lower end of the suction tube 7 extends into the bottle body 1. The connecting piece 8 is located above the suction tube 7 and is connected with the suction tube 7. The connecting piece 8 is at least partially located in the guide sleeve 3 and is in sealed sliding fit with the guide sleeve 3. The connecting piece 8 and the guide sleeve 3 form a cavity 101. The cavity 101 is connected with the bottle body 1. When the connecting piece 8 slides up and down, the volume of the cavity 101 changes. When the connecting piece 8 moves upwards, the volume of the cavity 101 increases, and a negative pressure is formed in the suction tube 7 to suck the liquid in the bottle body 1.
[0024] The outer cover 4 is rotatably installed on the shoulder sleeve 2. The inner wall of the outer cover 4 is provided with a ring groove 25. The shoulder sleeve 2 is provided with a convex strip 42 corresponding to the ring groove 25. The convex strip 42 is located in the ring groove 25. The ring groove 25 and the convex strip 42 are in fit to limit the axial movement of the shoulder sleeve 2 and the outer cover 4. The ring groove 25 and the convex strip 42 can rotate.
[0025] The guide sleeve 3 is in axial sliding connection with the shoulder sleeve 2, the shoulder sleeve 2 is provided with a limiting block 24 extending in the axial direction, the guide sleeve 3 is provided with a limiting groove 32 corresponding to the limiting block 24, the guide sleeve 3 and the shoulder sleeve 2 are in corresponding plug-in connection through the limiting block 24 and the limiting groove 32, the upper and lower axial movement of the guide sleeve 3 is guided, and the circumferential rotation of the guide sleeve 3 and the shoulder sleeve 2 is limited, the movable cover 6 is fixedly installed on the guide sleeve 3, and the movable cover 6 is installed on the guide sleeve 3 through buckle fastening.
[0026] The guide sleeve 3 is in rotational connection with the outer cover 4, the guide sleeve 3 is at least partially located in the outer cover 4, a side wall of the guide sleeve 3 is provided with a guide groove 31, a lower end face of the guide groove 31 is a guide face 311, the guide face 311 is inclined, the guide face 311 forms a track for the guide block 41 to move up and down along with the rotation of the outer cover 4, an inner wall of the outer cover 4 is provided with the guide block 41, the guide block 41 extends into the guide groove 31, the ring plate 22 is located outside the periphery of the mounting seat 21, a first mounting groove 23 is formed between the ring plate 22 and the mounting seat 21, the movable cover 6 is provided with a second mounting groove 61, two ends of the spring 5 are respectively installed on the first mounting groove 23 and the second mounting groove 61, a lower end face of the guide block 41 abuts against the guide face 311, due to the upward pushing force of the spring 5 on the movable cover 6, the guide sleeve 3 is always subjected to an upward pushing force, the guide face 311 can always abut against the guide block 41, when the outer cover 4 is rotated, the guide block 41 slides along the guide face 311, so that the guide sleeve 3 can move up and down, and the volume of the cavity 101 can be increased or reduced.
[0027] The guide surface 311 comprises a first end 3111 and a second end 3112, the position of the first end 3111 is higher than that of the second end 3112, at least a part of the first end 3111 and at least a part of the second end 3112 extend horizontally, when the guide block 41 is located at the horizontal part of the first end 3111 and the second end 3112, the guide block 41 can be accommodated and supported, when the guide block 41 is located at the first end 3111, the volume of the cavity 101 reaches the minimum, when the guide block 41 is located at the second end 3112, the volume of the cavity 101 reaches the maximum, when the shoulder sleeve 2 is threadedly fixedly installed on the bottle body 1, rotating the outer cover 4 will make the guide block 41 slide along the guide surface 311, so that the guide block 41 slides from the first end 3111 to the second end 3112, and the suction tube 7 sucks liquid, when the guide block 41 abuts against the side edge of the second end 3112, the thread between the shoulder sleeve 2 and the bottle body 1 starts to loosen, so that the liquid in the bottle body 1 can be sucked while the cover is opened, which is convenient to use, and for the same reason, when the shoulder sleeve 2 needs to be installed on the bottle body 1, the shoulder sleeve 2 is first threadedly connected with the bottle body 1, after the shoulder sleeve 2 is fixed on the bottle body 1, the outer cover 4 is rotated with the shoulder sleeve 2, so that the guide block 41 slides from the second end 3112 to the first end 3111, and the guide sleeve 3 returns to the initial position, when the guide block 41 is located at the second end 3112, the upper end of the guide sleeve 3 protrudes out of the outer cover 4, the guide groove 31 is provided with a space for the guide block 41 to move up and down when located at the second end 3112, the guide sleeve 3 can be pressed downward to reduce the volume of the cavity 101 and squeeze out the sucked liquid, and the amount of liquid sucked by the suction tube 7 is fixed each time, which can better meet the use standard.
[0028] The guide sleeve 3 is provided with a bayonet 33, the bayonet 33 is located on the outer side wall of the guide sleeve 3, the bayonet 33 communicates with the lower end face of the guide sleeve 3, the bayonet 33 is located below the second end 3112, the outer side face of the bayonet 33 forms an inclined surface inclined toward the inner wall of the guide sleeve 3, and the bayonet 33 can conveniently clamp the guide block 41 into the guide groove 31 when the guide sleeve 3 is installed.
[0029] The embodiment also comprises a wiping member 9, the wiping member 9 is installed at the upper end opening of the bottle body 1, the wiping member 9 comprises a baffle 91 abutting against the upper end opening of the bottle body 1, a sealing ring is installed between the baffle 91 and the shoulder sleeve 2, the wiping member 9 is partially located in the bottle body 1, the lower end face of the wiping member 9 is provided with a through hole 92, the suction tube 7 passes through the through hole 92, the inner wall of the through hole 92 slidably contacts the outer wall of the suction tube 7, and the wiping member 9 can wipe off the liquid on the outer wall of the suction tube 7 when the suction tube 7 is pulled out.
[0030] The above merely is preferred implementation manner of the present application, the protection scope of the present application is not only limited to the above examples, and belongs to the technical scheme under the idea of the present application all belongs to the protection scope of the present application. It should be pointed out that, for ordinary skilled person in the art, under the premise of not departing from the principle of the present application, some improvements and decorations, these improvements and decorations should also be considered as the protection scope of the present application.
Claims
1. A self-priming dropper, characterized in that, The device includes a bottle body (1), a shoulder sleeve (2), a guide sleeve (3), an outer cap (4), a movable cap (6), a straw (7), and a connector (8). The shoulder sleeve (2) is installed at the upper opening of the bottle body (1), and the shoulder sleeve (2) is connected to the bottle body (1) by a thread. The straw (7) and the connector (8) are fixedly installed on the shoulder sleeve (2). The lower end of the straw (7) extends into the bottle body (1), and the connector (8) is located above the straw (7) and communicates with the straw (7). The outer cover (4) is rotatably mounted on the shoulder sleeve (2), the guide sleeve (3) is rotatably connected to the outer cover (4), the guide sleeve (3) is slidably connected to the shoulder sleeve (2) along the axial direction, the movable cover (6) is fixedly mounted on the guide sleeve (3), the connector (8) is at least partially located inside the guide sleeve (3), the connector (8) and the guide sleeve (3) are in a sealed sliding fit, a cavity (101) is formed between the connector (8) and the guide sleeve (3), and the cavity (101) communicates with the bottle body (1).
2. The self-priming dropper according to claim 1, characterized in that, The shoulder sleeve (2) includes a spring (5), a mounting base (21) and a ring plate (22), a suction tube (7) and a connector (8) are fixedly installed on the mounting base (21), the ring plate (22) is located on the outer periphery of the mounting base (21), a first mounting groove (23) is formed between the ring plate (22) and the mounting base (21), the movable cover (6) is provided with a second mounting groove (61), and the two ends of the spring (5) are respectively installed in the first mounting groove (23) and the second mounting groove (61).
3. The self-priming dropper according to claim 1, characterized in that, The shoulder sleeve (2) is provided with a limiting block (24), which extends axially, and the guide sleeve (3) is provided with a limiting groove (32) corresponding to the limiting block (24).
4. The self-priming dropper according to claim 1, characterized in that, The guide sleeve (3) is at least partially located inside the outer cover (4). The side wall of the guide sleeve (3) is provided with a guide groove (31). The lower end face of the guide groove (31) is a guide surface (311). The guide surface (311) is inclined. The inner wall of the outer cover (4) is provided with a guide block (41). The lower end face of the guide block (41) abuts against the guide surface (311).
5. A self-priming dropper according to claim 4, characterized in that, The guide surface (311) includes a first end (3111) and a second end (3112), the first end (3111) being positioned higher than the second end (3112), and at least a portion of the first end (3111) and at least a portion of the second end (3112) extending horizontally.
6. A self-priming dropper according to claim 5, characterized in that, The guide sleeve (3) is provided with a bayonet (33), the bayonet (33) is located on the outer side wall of the guide sleeve (3), the bayonet (33) is connected to the lower end face of the guide sleeve (3), and the bayonet (33) is located below the second end (3112).
7. A self-priming dropper according to claim 6, characterized in that, The outer side of the bayonet (33) forms an inclined surface that slopes towards the inner wall of the guide sleeve (3) at its lower end.
8. A self-priming dropper according to claim 1, characterized in that, The inner wall of the outer cover (4) is provided with an annular groove (25), and the shoulder sleeve (2) is provided with a protrusion (42) corresponding to the annular groove (25), and the protrusion (42) is located in the annular groove (25).
9. A self-priming dropper according to claim 1, characterized in that, The device includes a wiper (9), which is installed at the upper opening of the bottle body (1). The wiper (9) includes a baffle (91) that abuts against the upper opening of the bottle body (1). A sealing ring is installed between the baffle (91) and the shoulder sleeve (2). The wiper (9) is partially located inside the bottle body (1). The lower end face of the wiper (9) is provided with a through hole (92), through which the straw (7) passes.