CN110893940A - Dropper bottle - Google Patents

Abstract

The invention belongs to the technical field of bottling, and discloses a dropper bottle, which comprises: the outer cover, the inner cover, the bottle body and the liquid taking device; the outer cover is sleeved outside the inner cover and connected with the inner cover; the inner cover is provided with a plurality of spring tongues, the outer side of the bottle mouth is provided with a clamping structure, and the clamping structure is matched with the spring tongues to clamp the inner cover on the bottle mouth of the bottle body; get liquid device includes: a ram and piston mechanism; the top of the outer cover is provided with an opening, the pressure head at least partially extends out of the outer cover, the pressure head is provided with an expansion claw, and the piston mechanism is arranged on the inner cover and connected with the pressure head; when the pressure head moves downwards, the expansion claw expands the elastic tongue to separate the elastic tongue from the clamping structure; the piston mechanism sucks liquid in the bottle through the reciprocating motion of the pressure head. The inner cup passes through the bottleneck of the mode connection at the body with the body through the block. When in use, the expansion claw expands the elastic tongue to separate the inner cap from the bottle body, thereby having the advantages of convenient use and preventing the cosmetic from being polluted.

Description

Dropper bottle

Technical Field

The invention belongs to the technical field of bottling, and particularly relates to a dropper bottle.

Background

Cosmetics are in a wide variety of types, and most of them are packaged in bottles. In the prior art, the bottle cap and the bottle body of the packaging bottle are connected in a threaded connection mode. The user needs to unscrew the cap during use to use the cosmetics in the bottle, and then to screw the cap after use. Not only is it inconvenient for users to use, but also the hygiene of the cosmetics is affected.

Disclosure of Invention

The invention aims to provide a dropper bottle, wherein an inner cap and a bottle body are connected to a bottle opening of the bottle body in a clamping mode, and the inner cap is separated from the bottle body by expanding an elastic tongue through an expansion claw when the dropper bottle is used, so that the dropper bottle has the advantages of convenience in use and prevention of cosmetic pollution.

The invention provides a dropper bottle, comprising: the outer cover, the inner cover, the bottle body and the liquid taking device;

the outer cover is sleeved outside the inner cover and connected with the inner cover;

the inner cover is provided with a plurality of spring tongues, the outer side of the bottle mouth is provided with a clamping structure, and the clamping structure is matched with the spring tongues to clamp the inner cover on the bottle mouth of the bottle body;

get liquid device includes: a ram and piston mechanism;

the top of the outer cover is provided with an opening, the pressure head at least partially extends out of the outer cover, the pressure head is provided with an expansion claw, and the piston mechanism is arranged on the inner cover and connected with the pressure head;

when the pressure head moves downwards, the expansion claw expands the elastic tongue to separate the elastic tongue from the clamping structure; the piston mechanism sucks liquid in the bottle through the reciprocating motion of the pressure head.

Dropper bottle at the time of use: firstly, a user presses down a pressure head to expand an elastic tongue so as to separate an inner cover from a bottle body; and secondly, the outer cover is pulled upwards while the inner cover and the bottle body are separated, the pressure head is loosened when the elastic tongue is far away from the bottle body, the liquid in the bottle is sucked by the piston mechanism at the moment, and the liquid in the piston mechanism is extruded out for use through the pressure head which is pressed downwards.

Furthermore, the clamping structure comprises a groove matched with the spring tongue;

the inner side of the spring tongue is provided with a boss matched with the groove.

Furthermore, the outer side surface of the bottle mouth is provided with an annular groove, and the groove is positioned in the annular groove.

Furthermore, the inner cover is connected with the outer cover in a clamping manner, so that the inner cover and the outer cover can be conveniently installed.

Further, a plurality of first sliding grooves are circumferentially distributed on the inner cover; the spring tongue is positioned in the first sliding groove; the first sliding groove and the second sliding groove guide the expansion claw.

When liquid is taken, the outer cover is rotated to enable the projection directions of the first sliding groove and the second sliding groove to coincide. When liquid does not need to be taken, the projection directions of the first sliding groove and the second sliding groove are staggered by rotating the outer cover.

Further, the top of enclosing cover is equipped with the spacing boss that prevents the pressure head and break away from the enclosing cover.

Further, the bottom of the expansion claw is provided with a first chamfer, and the top of the spring tongue is provided with a second chamfer matched with the first chamfer.

Furthermore, the lower part of the bottle mouth extends outwards to form a clamping part, and the clamping part is in interference fit with the outer wall of the bottle body.

Furthermore, an O-shaped sealing ring is arranged between the clamping part and the bottle body.

Further, the piston mechanism includes: the pressure head, the spring, the plunger barrel and the dropper;

the plunger cylinder is clamped on the inner cover;

the plunger is placed in the plunger cylinder and is in sliding connection with the plunger cylinder;

the bottom surface of the plunger cylinder is provided with an opening, the dropper is arranged at the opening of the bottom surface of the plunger cylinder, and the dropper is inserted into the bottle;

the bottom surface of the pressure head is provided with a boss, the top surface of the inner cover is provided with a through hole, and the boss penetrates through the through hole to be connected with the plunger;

the spring sleeve is arranged on the outer side of the boss, one end of the pressure spring abuts against the pressure head, and the other end of the pressure spring abuts against the inner cover.

The working principle of the piston mechanism is as follows: the plunger moves downwards through the pressure head, and the pressure head compresses the spring in the downward moving process; the pressure head is loosened, the pressure head moves upwards under the action of the elastic force of the spring, and the plunger piston is in closed fit with the plunger piston cylinder and generates vacuum suction in the plunger piston cylinder in the process of moving upwards so as to suck the liquid in the bottle.

The invention can bring at least one of the following beneficial effects:

1. the inner cover and the bottle body are connected to the bottle mouth of the bottle body in a clamping manner, and when the bottle is used, the elastic tongue is expanded by the expansion claw to separate from the clamping structure, so that the bottle has the advantage of convenience in use;

2. the piston mechanism is used for sucking liquid, so that waste caused by taking liquid in a dumping mode is avoided;

3. when liquid is taken, the outer cover is rotated to enable the projection directions of the first sliding groove and the second sliding groove to coincide. When liquid does not need to be taken, the outer cover is rotated to stagger the projection directions of the first chute and the second chute, so that children are prevented from opening the dropper bottle;

4. the lower part of the bottle mouth extends outwards to form a clamping part, and the clamping part is in interference fit with the outer wall of the bottle body. When the spring tongue is broken and the dropper bottle cannot be opened through the pressure head, the dropper bottle can be opened through the clamping part.

Drawings

The above features, technical features, advantages and modes of realisation of a dropper bottle will be further described in the following, in a clearly understandable manner, with reference to the accompanying drawings, which illustrate preferred embodiments.

Fig. 1 is a cross-sectional view of a dropper bottle according to an embodiment of the present invention;

FIG. 2 is a perspective view of an outer lid of the embodiment of the present invention 1;

FIG. 3 is a perspective view of an outer cover according to an embodiment of the present invention 2;

FIG. 4 is a perspective view of an inner cap of an embodiment of the present invention, FIG. 1;

FIG. 5 is a perspective view of an inner cap of an embodiment of the present invention, FIG. 2;

figure 6 is a perspective view of an indenter according to an embodiment of the present invention.

Reference numbers in the figures:

1. an outer cover; 11. a limiting boss; 2. an inner cover; 21. a spring tongue; 3. a bottle body; 4. a liquid taking device; 41. a pressure head; 42. an expansion jaw; 43. a spring; 44. a plunger; 45. a plunger barrel; 46. a dropper; 5. a fastening part; 6. and an O-shaped sealing ring.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.

As shown in fig. 1, a dropper bottle according to the present invention includes: the bottle comprises an outer cover 1, an inner cover 2, a bottle body 3 and a liquid taking device 4, wherein the outer cover 1 is sleeved outside the inner cover 2, and the outer cover 1 is connected with the inner cover 2; the inner cap 2 is provided with a plurality of spring tongues 21, the outer side of the bottle mouth is provided with a clamping structure, and the clamping structure is matched with the spring tongues 21 to clamp the inner cap 2 on the bottle mouth of the bottle body 3; the liquid taking device 4 includes: a ram 41 and a piston mechanism; the top of the outer cover 1 is provided with an opening, the pressure head 41 at least partially extends out of the outer cover 1, the pressure head 41 is provided with an expansion claw 42, and the piston mechanism is arranged on the inner cover 2 and is connected with the pressure head 41; when the pressing head 41 moves downwards, the expansion claw 42 expands the elastic tongue 21, so that the elastic tongue 21 is separated from the clamping structure; the piston mechanism draws liquid from the bottle by reciprocating the ram 41.

Dropper bottle at the time of use:

1. the user drives the expansion claw 42 to move downwards by pressing the pressing head 41, and the expansion claw 42 is inserted between the elastic tongue 21 and the clamping structure in the process of moving downwards. Because the expansion claw 42 has certain strength and the elastic tongue 21 has certain elasticity, the elastic tongue 21 deforms when the expansion claw 42 is contacted with the elastic tongue 21, so that the elastic tongue 21 is expanded to separate the elastic tongue 21 from the clamping structure, and a user can take down the inner cover 2 conveniently;

2. the outer cover 1 is pulled upwards while the elastic tongues 21 are kept to be separated from the clamping structure, and the outer cover 1 is connected with the inner cover 2, so that the inner cover 2 moves together with the outer cover 1;

3. when the inner cap 2 is separated from the bottle body 3, the pressure head 41 is released, and the piston mechanism sucks the liquid in the bottle through the reciprocating motion of the pressure head 41;

4. the liquid in the piston mechanism is squeezed out for use by the downward pressure head 41;

5. after the use, the inner cover is covered at the bottle mouth, and the inner cover is matched and fixed on the bottle mouth through the elastic tongue and the clamping structure.

Further, the clamping structure comprises a groove matched with the spring tongue 21; the inner side of the spring tongue 21 is provided with a boss matched with the groove. The outer side surface of the bottle mouth is provided with an annular groove, and the groove is positioned in the annular groove. The medial surface of enclosing cover 1 is equipped with annular rectangular channel, and the lateral surface of inner cup 2 is equipped with the annular boss with rectangular channel looks adaptation, and the annular boss setting makes enclosing cover 1 be connected with inner cup 2 block in the ring channel, and the inner cup 2 of being convenient for is installed with enclosing cover 1. The spring tongue 21 is reversely buckled in the annular groove through the lug boss, so that the inner cover 2 is fixed on the bottle body 3.

Further, as shown in fig. 5, a plurality of first sliding grooves are circumferentially distributed on the inner lid 2; the spring tongue 21 is positioned in the first sliding groove; a plurality of second sliding grooves circumferentially distributed in the outer cover 1, the first sliding grooves and the second sliding grooves guiding the expansion claws 42. The number of the first sliding grooves is the same as that of the second sliding grooves, and the number of the first sliding grooves is three in the embodiment.

When the liquid is taken, the outer cover 1 is rotated to enable the projection directions of the first sliding groove and the second sliding groove to coincide, and in the process that the pressure head 41 is pressed downwards, the expansion claw 42 passes through the second sliding groove and the first sliding groove and finally contacts with the elastic tongue 21 and expands the elastic tongue 21, so that the elastic tongue 21 is separated from the clamping structure. When liquid does not need to be taken, the outer cover 1 is rotated to stagger the first sliding groove and the second sliding groove, and the expansion claw 42 is prevented from entering the first sliding groove.

Further, the top of the outer lid 1 is provided with a limit boss 11 for preventing the pressing head 41 from being separated from the outer lid 1.

Further, as shown in fig. 6, the bottom of the expansion claw 42 is provided with a first chamfer, and the top of the spring tongue 21 is provided with a second chamfer matched with the first chamfer. The expansion claw 42 is inserted between the spring tongue and the bottle mouth when moving downwards, the first chamfer angle and the second chamfer angle are gradually contacted in the downward moving process of the expansion claw 42, and the spring tongue 21 has certain elasticity because the expansion claw 42 has certain strength. The spring tongue 21 deforms when contacting the expansion claw, so that the inner cover is separated from the clamping structure.

Furthermore, the lower part of the bottle mouth extends outwards to form a clamping part 5, the inner side surface of the clamping part 5 is provided with an annular rectangular groove, the outer side surface of the bottle body 3 is provided with an annular rectangular boss, and the rectangular boss is arranged in the rectangular groove to enable the clamping part 5 to be in interference fit with the outer wall of the bottle body 3. Further, an O-ring 6 is provided between the engaging portion 5 and the body 3.

When the spring tongue 21 is broken and the dropper bottle cannot be opened by the pressing head 41, the body 3 is fixed, and then the fastening part is pulled out from the body, so that the cosmetics in the dropper bottle can be used.

Specifically, the piston mechanism includes: a pressure head 41, a spring 43, a plunger 44, a plunger cylinder 45 and a dropper 46; the plunger cylinder 45 is clamped on the inner cover 2; the plunger 44 is placed in the plunger barrel 45 and is in sliding connection with the plunger barrel 45; an opening is formed in the bottom surface of the plunger cylinder 45, a dropper 46 is arranged at the opening in the bottom surface of the plunger cylinder 45, and the dropper 46 is inserted into the bottle; the bottom surface of the pressure head 41 is provided with a boss, the top surface of the inner cover 2 is provided with a through hole, and the boss passes through the through hole to be connected with the plunger 44; the spring 43 is sleeved outside the boss, one end of the pressure spring abuts against the pressure head 41, and the other end of the pressure spring abuts against the inner cover 2.

The working principle of the piston mechanism is as follows:

1. the user moves the pressure head 41 downwards, the pressure head 41 drives the plunger 44 to move downwards, and the pressure head 41 compresses the spring 43 in the downward moving process;

2. when the pressure head 41 is released, the pressure head 41 moves upwards under the action of the elastic force of the spring 43, and the plunger 44 is in sealing fit with the plunger barrel 45, so that vacuum suction is generated in the plunger barrel 45 during the upward movement of the plunger 44, and the liquid in the bottle is sucked.

3. The user moves the pressing head 41 downward, and the pressing head 41 moves the plunger 44 downward to squeeze out the cosmetics in the dropper 46.

The drop tube bottle installation steps are as follows:

1. a dropper 46 is arranged at the bottom opening of the plunger cylinder 45;

2. mounting the plunger 44 within the plunger barrel 45;

3. mounting the plunger cylinder 45 on the inner cap 2;

4. the inner cap 2 is clamped and connected with the bottle mouth through the matching between the elastic tongue 21 and the clamping structure;

5. sleeving the spring 43 on the outer side of the boss at the bottom of the pressure head 41, and connecting the pressure head 41 with the plunger 44;

6. sleeving the outer cover 1 on the outer side of the inner cover 2, and connecting the outer cover 1 with the inner cover 2;

7. the clamping part on the bottle mouth is in interference fit with the bottle body.

The installation of the dropper bottle can be completed through the installation steps.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. A dropper bottle, comprising: the outer cover, the inner cover, the bottle body and the liquid taking device;

the outer cover is sleeved outside the inner cover and connected with the inner cover;

the inner cover is provided with a plurality of elastic tongues, the outer side of the bottle mouth is provided with a clamping structure, and the clamping structure is matched with the elastic tongues to clamp the inner cover on the bottle mouth of the bottle body;

the liquid taking device comprises: a ram and piston mechanism;

the top of the outer cover is provided with an opening, the pressure head at least partially extends out of the outer cover, the pressure head is provided with an expansion claw, and the piston mechanism is arranged on the inner cover and connected with the pressure head;

when the pressure head moves downwards, the expansion claw expands the elastic tongue so as to separate the elastic tongue from the clamping structure; the piston mechanism sucks liquid in the bottle through the reciprocating motion of the pressure head.

2. The dropper bottle of claim 1, wherein the snap-fit structure comprises a groove that mates with the spring tongue;

and a boss matched with the groove is arranged on the inner side of the spring tongue.

3. A dropper bottle according to claim 2, wherein the external side of the mouth is provided with an annular groove, and the recess is located in the annular groove.

4. A dropper bottle as claimed in claim 1, wherein the inner cap is snap-fitted to the outer cap.

5. The dropper bottle of claim 1, wherein the inner cap has a plurality of first chutes circumferentially distributed thereon; the spring tongue is located in the first sliding groove, a plurality of second sliding grooves are circumferentially distributed in the outer cover, and the expansion claw is guided by the first sliding groove and the second sliding grooves.

6. A dropper bottle as claimed in claim 1, wherein the top of the outer cap is provided with a stop boss to prevent the indenter from disengaging the outer cap.

7. A dropper bottle according to claim 1, wherein the bottom of the expansion claw is provided with a first chamfer and the top of the resilient tongue is provided with a second chamfer matching the first chamfer.

8. The dropper bottle of claim 1, wherein a snap-fit portion extends outwardly from a lower portion of the bottle mouth, and the snap-fit portion is in interference fit with an outer wall of the bottle body.

9. The dropper bottle of claim 8, wherein an O-ring seal is disposed between the engaging portion and the bottle body.

10. The dropper bottle of claim 1, wherein the piston mechanism comprises: a spring, a plunger barrel and a dropper;

the plunger cylinder is clamped on the inner cover;

the plunger is arranged in the plunger barrel in a sliding mode;

the bottom surface of the plunger cylinder is provided with an opening, the dropper is arranged at the opening at the bottom surface of the plunger cylinder, and the dropper is inserted into the bottle;

the bottom surface of the pressure head is provided with a boss, the top surface of the inner cover is provided with a through hole, and the boss penetrates through the through hole to be connected with the plunger;

the spring sleeve is arranged on the outer side of the boss, one end of the pressure spring abuts against the pressure head, and the other end of the pressure spring abuts against the inner cover.

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