WO2019126984A1

WO2019126984A1 - Container having replaceable application head

Info

Publication number: WO2019126984A1
Application number: PCT/CN2017/118495
Authority: WO
Inventors: 颜家军; 王南杰
Original assignee: 深圳市德昌裕塑胶制品有限公司
Priority date: 2017-12-26
Filing date: 2017-12-26
Publication date: 2019-07-04
Also published as: CN110234576B; JP3229960U; CN110234576A

Abstract

A container having a replaceable application head, comprising a container (10), a soft application head (20), an inner cover (30), and a fastening ring (40). The soft application head (20) is disposed on a mounting wall (11) of the container (10). When the inner cover (30) on which the fastening ring (40) is mounted is locked to the container (10), an application portion (21) of the soft application head (20) passes through a through hole (311) of a cover portion (31) of the inner cover (30), a skirt portion (22) of the soft application head (20) is clamped between the fastening ring (40) and the mounting wall (11), so that the soft application head (20) is tightly clamped on the mounting wall (11). When a connecting portion of the inner cover is detached from the container, the soft application head can be removed for cleaning or replacement, thereby meeting needs of a user. Operations in the mounting and detaching processes are easy; the fastening ring can effectively fix the soft application head to prevent the soft application head from getting loose and falling off, or being damaged during replacement; the present invention can also solve the problem of being unable to detach and replace an existing application head which is fixed by means of an adhesive and avoid the risk of fall-off of the application head caused by contact between the adhesive and the contained liquid, and avoid consumption of tremendous labor costs caused by production being unable to be automated since existing annular cutting-type application heads are difficult to mount.

Description

Replaceable applicator head container

Technical field

This solution belongs to the technical field of packaging containers, and more particularly to a replaceable applicator head container.

Background technique

The soft applicator heads that can be seen on the market are basically fixed with a glue applicator, such as the patents US5122158A, US6053184A, the applicator head can not be removed for replacement, when used, such as soft applicator head pollution or damage Will cause the entire product to be unusable and result in waste. The fixing method also has the risk that the adhesive head is broken after the application head and the content liquid are in contact for a long time, so that the application head is separated.

In addition, there are some soft applicator heads on the market that cut an opening on the applicator head and then snap it into the fixture. For example, the patent number is US8585309B2, US2011/0200383A, and the part of the applicator head is fastened to the fixture. There is no need for glue, but the assembly of the fixing member and the soft applicator head is difficult, and it is impossible to realize mechanical automated production assembly, which requires a lot of labor.

technical problem

The purpose of the present solution is to provide a replaceable applicator head container to solve the problem that the prior art applicator head is fixed by adhesive and is not detachable, the applicator head is easy to be broken after prolonged use, and it is difficult to assemble with a circumscribing applicator head. Technical problem.

Technical solution

In order to achieve the above object, the technical solution adopted by the solution is to provide a replaceable applicator head container, comprising:

a container having a mounting wall, the mounting wall having an outlet;

a soft applicator head disposed on the mounting wall, comprising an applicator portion and a skirt portion extending from an outer edge of the end portion of the applicator portion facing the mounting wall;

An inner cover for clamping the soft applicator head to the mounting wall, comprising a cover portion and a connecting portion connected to the cover portion, the cover portion having a through hole through which the applicator portion passes The connecting portion is detachably coupled to the container;

a pressing ring mounted on an inner side of the cover portion, the skirt portion being clamped between the pressing ring and the mounting wall.

Further, the inner wall of the inner cover is provided with a limiting edge, and a limiting slot for limiting the pressing ring is formed between the limiting edge and the cover portion, and the pressing ring is rotatably mounted on the Said in the limit slot.

Further, the outer edge of the pressing ring is an outer spherical surface.

Further, the pressing ring faces a side of the skirt with a pressing structure for clamping the skirt.

Further, the pressing structure is a molar or needle-like structure, and the pressing structure penetrates the skirt.

Further, the connecting portion has a cylindrical shape, an inner wall of the connecting portion is provided with an internal thread, and the container is provided with an external thread that is screwed with the internal thread.

Further, an inner wall of the cover portion protrudes to form a limited position, and the limiting edge abuts against the pressing ring.

Further, the container is provided with a limiting platform for abutting the bottom end surface of the connecting portion.

Further, an outer cover detachably coupled to the inner cover and for isolating the smear from the outside is further included.

Further, the smear portion is provided with a through hole that is aligned with the outlet, and the mounting wall extends at a periphery of the outlet to form a liquid outlet nozzle, and the liquid outlet nozzle is inserted into the through hole The inner top surface of the outer cover extends to form a plunger for blocking the liquid outlet nozzle.

Further, the outer wall of the inner cover is convexly formed with a snap edge, and the inner wall of the outer cover is provided with a snap groove for engaging with the snap edge.

Further, the soft applicator head is a nitrile rubber applicator head, a styrene-butadiene rubber applicator head, a foam applicator head, an ethylene-vinyl acetate copolymer applicator head or a polyethylene cross-linking applicator head.

Beneficial effect

The soft applicator head is disposed on the container mounting wall, and when the inner cover with the pressing ring is locked to the container, the soft applicator head is passed through the through hole of the inner cover cover portion, and the skirt of the soft applicator head is clamped Close to the tension ring and the mounting wall, the soft applicator head is clamped to the mounting wall. The content liquid flowing out of the container outlet flows to the surface of the applicator head to be wiped. When the connecting part of the inner cover is detached and separated from the container, the applicator head can be removed for cleaning or replacement to meet the user's needs. The assembly and disassembly process is easy to operate. The tension ring can effectively fix the soft applicator head to avoid damage when the applicator head is loose or replaced. It can also avoid the existing adhesive applicator can not be disassembled and replaced, and the glue and the content liquid contact. The risk of dropping the applicator head, while avoiding the large labor costs caused by the difficulty of automating the production of the existing circumsulating applicator head.

DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. Obviously, the drawings in the following description are only some embodiments of the present solution. Other drawings may also be obtained from those of ordinary skill in the art in view of the drawings.

Figure 1 is a front elevational view of a replaceable applicator head container provided by an embodiment of the present invention;

Figure 2 is an exploded perspective view of the replaceable applicator head container of Figure 1;

Figure 3 is a cross-sectional view of the replaceable applicator head container of Figure 1;

Figure 4 is a partial enlarged view of the replaceable applicator head container of Figure 3;

Figure 5 is an exploded view of the replaceable applicator head container of Figure 3;

Figure 6 is a front elevational view of the replaceable applicator head container of Figure 1, wherein the outer cover is not shown;

Figure 7 is a cross-sectional view of the replaceable applicator head container of Figure 6.

Embodiments of the invention

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present solution more clear, the present embodiment will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to be limiting.

It is to be noted that when an element is referred to as being "fixed" or "in" another element, it can be directly on the other element or indirectly. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or indirectly connected to the other element.

It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top" The orientation or positional relationship of the "bottom", "inside", "outside" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present scheme and simplified description, and does not indicate or imply the indicated device. Or the components must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present invention.

Referring to FIGS. 1 through 3, 6, and 7, the replaceable applicator head container includes a container 10, a soft applicator head 20, an inner cap 30, and a compression ring 40. The container 10 has a mounting wall 11 and the mounting wall 11 is provided with an outlet 111. The soft applicator head 20 is provided on the mounting wall 11 and includes an applicator portion 21 and a skirt portion 22 extending from the outer edge of the end portion of the applicator portion 21 facing the mounting wall 11. The inner cover 30 is for clamping the soft applicator head 20 to the mounting wall 11, and the inner cover 30 includes a cover portion 31 and a connecting portion 32 connected to the cover portion 31. The cover portion 31 has a through hole 311 through which the application portion 21 passes. The connecting portion 32 is detachably coupled to the container 10. The pressing ring 40 is mounted inside the cover portion 31, and the skirt portion 22 is clamped between the pressing ring 40 and the mounting wall 11.

The soft applicator head 20 is disposed on the mounting wall 11 of the container 10, and when the inner cover 30 to which the pressing ring 40 is attached is locked to the container 10, the soft applicator head 20 is applied through the through hole of the cover portion 31 of the inner cover 30. 311, the skirt 22 of the soft applicator head 20 is clamped between the tension ring 40 and the mounting wall 11 to allow the soft applicator head 20 to be clamped to the mounting wall 11. The content liquid output from the outlet 111 of the container 10 flows to the surface of the soft applicator head 20, and can be wiped. When the connecting portion 32 of the inner lid 30 is detached and separated from the container 10, the soft applicator head 20 can be removed for cleaning or replacement to meet the user's needs. The assembly and disassembly process is convenient to operate, and the pressing ring 40 can effectively fix the soft applicator head 20, thereby avoiding damage when the soft applicator head 20 is loosened or replaced, and can also avoid the existing adhesive applicator head being unable to be disassembled and replaced and glued. Contact with the content fluid causes the application head to fall, while avoiding the large labor costs associated with the inability to automate the production of existing circumscribed applicator heads.

The container 10 is used to hold a content liquid. The soft applicator head 20 is soft and elastic, and the contents of the liquid can be transferred from the inside of the soft applicator head 20 to the surface. In the soft applicator head 20, the application portion 21 and the skirt portion 22 are integrally formed, which is easy to manufacture. The skirt portion 22 is provided on the outer periphery of the end portion of the application portion 21, and the soft applicator head 20 has an inverted T-shaped cross section. The soft applicator head 20 is placed flat on the mounting wall 11 of the container 10. The replaceable applicator head container is used in the field of cosmetics and pharmaceuticals.

Further, referring to FIG. 3 to FIG. 5 , as an embodiment of the replaceable applicator head container provided by the present solution, the inner wall of the inner cover 30 is provided with a limiting edge 321 , and between the limiting edge 321 and the cover portion 31 . A limiting slot 322 is formed for the limiting tension ring 40, and the pressing ring 40 is rotatably mounted in the limiting slot 322. The solution is easy to assemble, and the pressing ring 40 is restrained in the limiting groove 322, so that the pressing ring 40 can only rotate about the axis of the inner cover 30. When the inner lid 30 to which the pressing ring 40 is attached is attached to the container 10, the pressing ring 40 is pressed against the skirt 22 of the soft applicator head 20 to avoid damage to the soft applicator head 20 during assembly. The limiting slot 322 is annular, and the outer edge of the pressing ring 40 can be received in the limiting slot 322.

Further, as a specific embodiment of the replaceable applicator head container provided by the present embodiment, the outer edge of the pressing ring 40 is a spherical surface 41. The smooth spherical surface 41 can reduce the frictional force with the inner wall of the inner cover 30, making the pressing ring 40 easier to rotate at the inner wall of the inner cover 30. The spherical surface 41 is easy to manufacture and can effectively reduce friction. When the spherical surface 41 of the pressing ring 40 is placed in the limiting groove 322, the pressing ring 40 is more easily rotated and is limited to the limiting groove 322.

Further, as a specific embodiment of the replaceable applicator head container provided by the present embodiment, the pressing ring 40 is provided with a pressing structure 42 for clamping the skirt portion 22 toward one side of the skirt portion 22. The clamping force between the tensioning structure 42 and the skirt 22 of the soft applicator head 20 is sufficiently large. When the inner cover 30 rotates, the pressing ring 40 is not rotated to cause the soft applicator head 20 to be twisted and damaged, so as to effectively tighten the soft applicator head 20. Similarly, the soft applicator head 20 is unscrewed and removed. It also does not cause distortion of the soft applicator head 20. The pressing structure 42 is disposed close to the inner edge of the pressing ring 40, and the limiting edge 321 is disposed opposite to the pressing structure 42. The skirt 22 is clamped between the limiting edge 321 and the pressing structure 42. The pressing ring 40 can effectively clamp the skirt 22 of the soft applicator head 20 between the pressing ring 40 and the mounting wall 11 to prevent softness. The smear is slippery or loose during use.

Further, as a specific embodiment of the replaceable applicator head container provided by the present embodiment, the pressing structure 42 is a molar or needle-like structure, and the pressing structure 42 penetrates the skirt 22. The structure is easy to manufacture, and the clamping force between the pressing ring 40 and the skirt 22 of the soft applicator head 20 can be improved to prevent the soft applicator head 20 from sliding or loosening during use, and the caries have a tightening ring 40. The vertical surface 421 of the inner edge is flush and the inclined surface 422 of the tension ring 40 extends obliquely toward the axis of the tension ring 40. The molars penetrate the skirt 22, and the inclined surface 422 is radially outwardly opposed to the skirt 22 along the skirt 22, while the outer circumference of the skirt 22 is abutted by the inner wall of the inner cover 30, so that the skirt 22 is radially clamped to the inner cover. 30. The clamping force between the pressing ring 40 and the skirt 22 of the soft applicator head 20 can be effectively increased to prevent the soft applicator head 20 from slipping or loosening during use.

Further, referring to FIG. 2 to FIG. 5 , as one embodiment of the replaceable applicator head container provided by the present embodiment, the connecting portion 32 has a cylindrical shape, and the inner wall of the connecting portion 32 is provided with an internal thread 323, and the container 10 is provided. There is an external thread 12 that is threadedly engaged with the internal thread 323. The inner cover 30 is reliably connected to the container 10 and is easy to assemble and disassemble. The inner cover 30 with the pressing ring 40 is locked to the container 10, and the inner cover 30 presses the pressing ring 40 downward when rotating. Since the pressing ring 40 is independently disposed, the inner cover 30 does not rotate when rotated. It will drive the pressing ring 40 to rotate and cause the soft applicator head 20 to be twisted and damaged, thereby achieving the effect of effective fastening. Similarly, the soft applicator head 20 will not be twisted and damaged when unscrewing.

Further, referring to FIG. 3 and FIG. 4, as a specific embodiment of the replaceable applicator head container provided by the present solution, the inner wall of the cover portion 31 protrudes to form a limiting edge 312, and the limiting edge 312 and the pressing ring are formed. 40 phased off. The structure is easy to manufacture, and the pressing ring 40 can be positioned in the axial direction. When the inner cover 30 is attached to the container 10, the pressing ring 40 reliably presses the skirt 22 of the soft applicator head 20 to fix the soft applicator head 20 to Container 10.

Further, as a specific embodiment of the replaceable applicator head container provided by the present embodiment, the container 10 is provided with a limiting table 13 for abutting against the end surface of the bottom portion of the connecting portion 32. This solution allows the inner cover 30 to be securely attached to the container 10.

Further, as a specific embodiment of the replaceable applicator head container provided by the present solution, an outer cover 50 detachably coupled to the inner cover 30 for isolating the applicator portion 21 from the outside is further included. The outer cover 50 is attached to the inner cover 30 and the soft applicator head 20 to protect the application portion 21.

Further, please refer to FIG. 3, FIG. 5 and FIG. 7. As a specific embodiment of the replaceable applicator head container provided by the present embodiment, the application portion 21 is provided with a through hole 211 aligned with the outlet 111, and the mounting wall 11 A liquid discharge nozzle 14 is formed on the periphery of the outlet 111, and the liquid discharge nozzle 14 is inserted into the through hole 211. The inner top surface of the outer cover 50 is formed with a plunger 51 for blocking the liquid discharge nozzle 14. The liquid discharge nozzle 14 facilitates the transfer of the content liquid of the container 10 to the surface of the application portion 21 through the through hole 211 of the application portion 21. When the outer cover 50 is closed, the plunger 51 blocks the end hole of the liquid discharge nozzle 14 to prevent the contents from flowing out. The end hole of the liquid discharge nozzle 14 is provided with a chamfer 141 to facilitate the end of the plunger 51 to protrude into the liquid discharge nozzle 14.

Further, as a specific embodiment of the replaceable applicator head container provided by the present embodiment, the outer wall of the inner cover 30 is convexly formed with a snap edge 324, and the inner wall of the outer cover 50 is opened for engaging with the card edge 324. The mating snap groove 52. The outer cover 50 is detachably coupled to the inner cover 30 for easy assembly and disassembly.

Further, as a specific embodiment of the replaceable applicator head container provided by the present embodiment, the soft applicator head 20 is a nitrile rubber (NBR) applicator head, a styrene butadiene rubber (SBR) applicator head, and a foam. The plastic (PUR) applicator head, ethylene-vinyl acetate copolymer applicator head (EVA) or polyethylene cross-linking (PE foaming cotton) applicator head can realize the function of the applicator head, which can be selected as needed.

The above description is only for the preferred embodiment of the present solution, and is not intended to limit the present solution. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present solution should be included in the protection of the present solution. Within the scope.

Claims

An alternative applicator head container, comprising:

a container having a mounting wall, the mounting wall having an outlet;

a soft applicator head disposed on the mounting wall, comprising an applicator portion and a skirt portion extending from an outer edge of the end portion of the applicator portion facing the mounting wall;

An inner cover for clamping the soft applicator head to the mounting wall, comprising a cover portion and a connecting portion connected to the cover portion, the cover portion having a through hole through which the applicator portion passes The connecting portion is detachably coupled to the container;

a pressing ring mounted on an inner side of the cover portion, the skirt portion being clamped between the pressing ring and the mounting wall.
The replaceable applicator head container according to claim 1, wherein the inner wall of the inner cover is provided with a limiting edge, and the limiting edge and the cover portion are formed with a space for limiting the pressing a limiting slot of the ring, the pressing ring is rotatably mounted in the limiting slot.
The replaceable applicator head container of claim 1 wherein the outer edge of the compression ring is a spherical surface.
A replaceable applicator head container according to any one of claims 1 to 3, wherein the pressing ring is provided with a pressing structure for clamping the skirt toward a side of the skirt.
The replaceable applicator head container of claim 4 wherein said compression structure is a molar or needle-like structure, said compression structure piercing said skirt.
The replaceable applicator head container according to any one of claims 1 to 3, wherein the connecting portion has a cylindrical shape, an inner wall of the connecting portion is provided with an internal thread, and the container is provided with the External thread with internal thread.
The replaceable applicator head container according to claim 6, wherein the inner wall of the cover portion protrudes to form a finite edge, and the limit edge abuts against the pressing ring.
The replaceable applicator head container according to claim 6, wherein said container is provided with a stopper for abutting against a bottom end surface of said connecting portion.
The replaceable applicator head container according to any one of claims 1 to 3, further comprising an outer cover detachably coupled to the inner cover and for isolating the applicator from the outside.
The replaceable applicator head container according to claim 9, wherein the applicator portion is provided with a through hole that is aligned with the outlet, and the mounting wall extends from the periphery of the outlet to form a liquid outlet tube. The nozzle is inserted into the through hole, and an inner top surface of the outer cover is formed with a plunger for blocking the liquid outlet nozzle.
The replaceable applicator head container according to claim 9, wherein the outer wall of the inner cover is convexly formed with a snap edge, and the inner wall of the outer cover is open for engaging with the card edge Card slot.
The replaceable applicator head container according to any one of claims 1 to 3, wherein the soft applicator head is a nitrile rubber applicator head, a styrene-butadiene rubber applicator head, a foam applicator head , ethylene-vinyl acetate copolymer applicator head or polyethylene cross-linking applicator head.