CN217893737U - Lid and packaging container with elastic construction - Google Patents

Abstract

The utility model discloses a lid and packaging container with elastic construction, wherein the lid includes the enclosing cover and sets up its inside sealing member, elastic component, inner cup, the inner cup set firmly in uncovered department of enclosing cover, it has the guiding hole to run through on the inner cup, the sealing member with guiding hole slip grafting cooperation, the elastic component has all the time and lets the sealing member seals orificial trend. The utility model discloses possessed simple structure, simple to operate and the high advantage of leakproofness, can prevent effectively that the content from outwards spilling over under the exogenic action when unscrewing the lid, avoiding the content to become invalid or rotten problem.

Description

Lid and packaging container with elastic construction

Technical Field

The utility model relates to a container sealing technique field, especially a lid and packaging container with elastic construction.

Background

Containers are containers used to package or carry items and are widely used in all industries. At present, a packaging container mainly comprises a pipe body and a cover body, wherein the pipe body is generally made of flexible materials or composite materials, so that the contents are conveniently extruded out; the cover body is connected to the pipe body and seals the pipe orifice of the pipe body. Generally, a gasket is arranged in the cover body, so that the contact area between the cover body and the nozzle is increased, and the sealing performance of the packaging container can be ensured under the self-plastic action of the gasket.

However, with the rapid development of science and technology, packaging containers are various, the structure of the cover body is more and more complicated, when the gasket is placed inside the cover body, the situations of eccentricity, loss and damage are easy to occur, and the reject ratio is high. And when the disposable sanitary towel is used for the first time, because the content is filled fully, certain pressure can be formed on the pipe body when the cover body is opened, the content is forced to overflow, the content is stained in the pipe body and the cover body, the content is easily lost or deteriorated under the influence of the outside, and the content in the pipe body is possibly polluted. Therefore, it is desirable to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a cover and a packing container with an elastic structure to solve the above problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose: the utility model provides a lid with elastic construction, includes the enclosing cover and sets up its inside sealing member, elastic component, inner cup, the inner cup set firmly in the uncovered department of enclosing cover, it has the guiding hole to run through on the inner cup, the sealing member with the cooperation of pegging graft of guiding hole slip, the elastic component has all the time and lets the orificial trend is sealed to the sealing member.

Furthermore, the guiding hole and the pipe orifice are coaxially arranged, so that the sealing element is better matched with the pipe orifice, and the sealing performance is improved.

Furthermore, a limiting piece is arranged on the sealing element and matched with the top stop of the inner cover; spacing piece can be effectively with the space internalization of sealing member restriction between enclosing cover and inner cup, even take off the lid from the body, also can not drop, avoids the unexpected possibility that drops of sealing member.

Furthermore, a sealing structure is arranged at the bottom of the sealing element, the sealing structure comprises a sealing rib, a sealing needle and a sealing ring, the sealing rib is wrapped outside the pipe orifice, the sealing needle is in interference fit with the pipe orifice, and the sealing ring is matched with a platform at the pipe orifice; after the lid closed, sealed muscle can live the mouth of pipe parcel, and sealed needle inserts in the mouth of pipe to interference fit with it can effectively live the mouth of pipe is sealed, and the platform looks adaptation of sealing washer and mouth of pipe department can form three seal structure, improves the leakproofness, effectively prevents the possibility that the content spills over.

Furthermore, a limiting sleeve is arranged at the bottom of the inner cavity of the outer cover and is matched with the sealing element; the installation is more convenient.

Furthermore, the elastic element is a spring, a mounting sleeve is arranged on the sealing element, one end of the elastic element is inserted into the limiting sleeve, and the other end of the elastic element is inserted into the mounting sleeve; the installation of the elastic piece is convenient, and the elastic piece is firmly installed.

Furthermore, a sliding groove is formed in the outer wall of the mounting sleeve, the sliding groove extends along the axial direction of the mounting sleeve, and a sliding rail matched with the sliding groove is arranged on the limiting sleeve; the sealing element is stable in action, deflection is avoided, the sealing element is prevented from being blocked, and the sealing performance is improved.

Furthermore, the elastic piece is an elastic piece, one end of the elastic piece is connected with the sealing piece, the other end of the elastic piece is connected with a limiting block, the limiting block is clamped in the limiting sleeve, and the sealing piece, the elastic piece and the limiting block are integrally arranged; the production manufacturing of sealing member of being convenient for, the installation is convenient and fast more, and when subsequent material is retrieved, need not the letter sorting and handle, is convenient for recycle.

The utility model also provides a packaging container, including body and foretell lid, the body with the connection can be dismantled to the lid.

The beneficial effects of the utility model reside in that: firstly, the sealing element, the elastic element and the inner cover are all arranged in the outer cover, the inner cover is fixedly arranged at the opening of the outer cover, the guide hole penetrates through the inner cover, the sealing element is in sliding insertion fit with the guide hole, the elastic element always has the tendency of leading the sealing element to seal the pipe orifice, so that in the process of opening the cover body, the sealing element is always pressed on the pipe orifice under the action force of the elastic element and the guide effect of the guide hole, the pipe orifice is always in a sealing state, the content is effectively prevented from overflowing outwards, and the problems existing in the use process of the existing product are solved; secondly, the sealing element and the elastic element are integrally arranged and can be integrally formed through a die, the structure is simple and convenient to assemble, and when the cover body is recycled, the cover body does not need to be separately sorted, so that the social recycling cost is reduced; generally, the utility model discloses possessed simple structure, simple to operate and the high advantage of leakproofness, can prevent effectively that when unscrewing the lid, the content outwards spills over under receiving exogenic action, is infected with inside mouth of pipe surface, lid, arouses the content inefficacy or rotten problem.

Drawings

FIG. 1 is a schematic view of an overall structure of a cover according to a first embodiment;

FIG. 2 is an exploded view of the cover according to the first embodiment;

FIG. 3 is a schematic perspective view of the cover according to the first embodiment;

FIG. 4 is a schematic structural view of a seal member according to a first embodiment;

FIG. 5 is a schematic view showing a closed state of a packaging container in the first embodiment;

FIG. 6 is a schematic view showing the overall structure of a cover according to a second embodiment;

FIG. 7 is a schematic structural view of a sealing member according to a second embodiment;

fig. 8 is a schematic view showing a closed state of the packaging container in the second embodiment.

The reference numerals are explained below:

1-outer cover; 11-a stop collar; 12-a slide rail; 13-catching grooves; 2-a seal; 21-a limiting sheet; 22-sealing ribs; 23-sealing the needle; 24-a sealing ring; 25-mounting the sleeve; 251-a chute; 3-an elastic member; 31-a stopper; 32-a positioning notch; 4-inner cover; 41-a guide hole; 42-buckling the wire; 100-a tube body; 101-nozzle.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "upper", "lower", "left", "right", "inner", "outer" and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example one

As shown in fig. 1 to 5, the present embodiment provides a cover body with an elastic structure, which includes an outer cover 1, and a sealing element 2, an elastic element 3, and an inner cover 4 disposed inside the outer cover 1, wherein the inner cover 4 is fixedly disposed at an opening of the outer cover 1, a guide hole 41 is formed through the inner cover 4, the sealing element 2 is in sliding insertion fit with the guide hole 41, and the elastic element 3 always tends to allow the sealing element 2 to close the nozzle 101.

The guide hole 41 and the pipe orifice 101 are coaxially arranged; the sealing element 2 is provided with a limiting sheet 21, and the limiting sheet 21 is matched with the top stop of the inner cover 4. Specifically, the inner wall of the outer cover 1 is provided with a catching groove 13, and the inner cover 4 is provided with a catching line 42 matched with the catching groove 13. Be equipped with the internal thread in the guiding hole 41, be equipped with the external screw thread with internal thread looks adaptation on the mouth of pipe 101, be convenient for pass through threaded connection with the lid on body 100, of course, the connected mode of lid and body 100 is not limited to threaded connection, also can be buckle connection or other detachable connection structure.

The bottom of sealing member 2 is equipped with seal structure, and seal structure includes sealed muscle 22, sealed needle 23 and sealing washer 24, and sealed muscle 22 wraps up in the mouth of pipe 101 outside, and sealed needle 23 and mouth of pipe 101 interference fit, sealing washer 24 and the platform looks adaptation of mouth of pipe 101 department. Specifically, the sealing needle 23 is in a truncated cone shape with a large upper part and a small lower part, and the bottom surface of the sealing needle 23 is in a spherical surface; the sealing rib 22 is annular, and the sealing needle 23, the sealing ring 24, and the sealing rib 22 are arranged in order and at intervals in the radial direction from the axis to the outer periphery of the sealing member 2 to form a concentric circle. When the sealing needle 23 is matched with the nozzle 101, the sealing element 2 is tightly abutted against the nozzle 101 under the action force of the elastic element 3, and the sealing needle 2 is inserted into the nozzle 101 and is in interference fit with the nozzle 101, so that a first sealing structure is formed; the seal ring 24 is tightly pressed, thereby forming a second seal structure; the upper end of the pipe orifice 101 is accommodated in the sealing rib 22, so that a third sealing structure is formed; the sealing needle 23 can be effectively ensured to be inserted in the pipe orifice 101 and form interference fit, thereby ensuring the sealing property and avoiding the overflow of the contents. The sealing ring 24 is integrally arranged at the bottom of the sealing element 2, and the cross section of the sealing ring 24 is triangular or trapezoidal and is integrally processed on the sealing element 2.

The inner cavity bottom of enclosing cover 1 is equipped with stop collar 11, stop collar 11 and sealing member 2 looks adaptation.

The elastic piece 3 is a spring, preferably in a cylindrical shape; and a mounting sleeve 25 is arranged on the sealing element 2, one end of the elastic element 3 is inserted in the limiting sleeve 11, and the other end of the elastic element 3 is inserted in the mounting sleeve 25. The outer wall of the mounting sleeve 25 is provided with a sliding groove 251, the sliding groove 251 extends along the axial direction of the mounting sleeve 25, and the limiting sleeve 11 is provided with a sliding rail 12 matched with the sliding groove 251. Specifically, the mounting sleeve 25 can be matched with the limiting sleeve 11 in an inserting manner, so that the mounting sleeve 25 is prevented from rotating; when the tube body 100 and the inner cap 4 are engaged, the upper end of the mounting sleeve 25 is just inserted into the stop collar 11. The mounting sleeve 25 is provided with two sliding grooves 251, the two sliding grooves 251 are symmetrically arranged on two sides of the mounting sleeve 25, and correspondingly, the sliding rail 12 is also provided with two sliding grooves 251 which correspond to the two sliding grooves 251 one by one; of course, more may be provided and circumferentially spaced about the axis of the mounting sleeve 25. Under the action of the elastic element 3, the sealing element 2 moves in the limited direction of the sliding rail 12, and the limit rib on the sealing element 2 can limit the movement stroke of the sealing element 2.

When the cover body is assembled, the elastic part 3 is arranged in the outer cover 1, and one end of the elastic part 3 is arranged in the limiting sleeve 11; then the sealing element 2 is installed, meanwhile, the other end of the elastic element 3 is installed in the installation sleeve 25, finally, the inner cover 4 is pushed into the outer cover 1 through external force, the sealing element 2 is inserted into the guide hole 41, the external force is continuously applied, the buckling line 42 can be firmly clamped into the buckling groove 13, so that the inner cover 4 is firmly connected into the outer cover 1, the inner cover 4 forms a whole relative to the outer cover 1, at the moment, the elastic element 3 is in a compression state, the limiting sheet 21 is abutted to the top of the inner cover 4, the sealing element 2 and the elastic element 3 are effectively limited in a space formed between the outer cover 1 and the inner cover 4 under the action of the limiting sheet 21, the assembly is completed, all parts of the cover body form a whole, and the cover body is formed.

The utility model also provides a packaging container, including body 100 and foretell lid, body 100 can be dismantled with the lid and be connected. It should be noted that the outer shape of the tube 100 may be a circle, an ellipse, an ultra-flat tube, a tube-in-tube, etc., and is not limited to the shape shown in the drawings.

The utility model discloses a concrete theory of operation as follows: when the cover body is connected to the pipe body 100 and is in a covering state, the elastic part 3 is pressed into the limiting sleeve 11 and is stably matched, and under the action force of the elastic part 3, the sealing part 2 is tightly abutted against the pipe orifice 101, and the sealing needle 2 is inserted into the pipe orifice 101 and is in interference fit with the pipe orifice 101, so that a first sealing structure is formed; the seal ring 24 is tightly pressed, thereby forming a second seal structure; the upper end of the pipe orifice 101 is accommodated in the sealing rib 22, so that a third sealing structure is formed; under a plurality of sealing structures, the sealing needle 23 can be effectively ensured to be inserted in the pipe orifice 101 and form interference fit, so that the sealing property is ensured, and the content is prevented from overflowing;

in the process of taking the cover body off the pipe body 100, the outer cover 1 is rotated, the inner cover 4 also rotates simultaneously, so that the inner cover 4 and the outer cover 1 move upwards relative to the pipe body 100, meanwhile, the sliding groove 251 on the sealing element 2 directionally moves along the extending direction of the sliding rail 12, and under the action force of the elastic element 3, the sealing element 2 is kept still relative to the pipe body 100 and still tightly abuts against the pipe orifice 101 to form sealing all the time; continuing to rotate until the limiting piece 21 abuts against the top of the inner cover 4, then taking down the cover body, withdrawing the sealing needle 2 from the pipe orifice 101, leaving the pipe orifice 101 from the sealing structure, and completely separating the cover body from the pipe body 100, thereby taking down the cover body from the pipe body 100;

on the contrary, when the cover body is covered on the pipe body 100, namely the above-mentioned action reverse process, the sealing of the pipe orifice 101 is still maintained in the covering process, and the specific covering working process is not repeated.

Example two

As shown in fig. 6 to 8, in this embodiment, compared with the first embodiment, the elastic member 3 is an elastic sheet, one end of the elastic member 3 is connected to the sealing member 2, the other end of the elastic member 3 is connected to the limiting block 31, the limiting block 31 is clamped in the limiting sleeve 11, and the sealing member 2, the elastic member 3 and the limiting block 31 are integrally arranged; the sealing member 2's of being convenient for manufacturing, the installation is convenient and fast more, moreover in packaging container recovery process, need not the letter sorting, and green makes things convenient for recycle more. It should be mentioned that the limiting block 31 is provided with a positioning notch 32 adapted to the slide rail 12, which can effectively prevent the sealing element 2 from rotating; in order to facilitate the installation of the elastic part 3, an avoiding notch is formed in the side wall of the limiting sleeve 11; the elastic component 2 is provided with two, and the two sides of the sealing component 2 are symmetrically arranged to ensure the stability of the acting force and always along the axial direction.

When the cover body of the embodiment is assembled, because the sealing element 2, the elastic element 3 and the limiting block 31 are integrated, the integrated structure is only needed to be arranged in the outer cover 1, and the limiting block 31 is clamped in the limiting sleeve 11, so that the positioning notch 32 is in rotation stopping fit with the slide rail 12; then the inner cover 4 is pushed into the outer cover 1 by external force, meanwhile, the sealing element 2 is inserted into the guide hole 41, the external force is continuously applied, the fastening line 42 is firmly clamped into the fastening groove 13, so that the inner cover 4 is firmly connected into the outer cover 1, the inner cover 4 forms a whole body relative to the outer cover 1, at the moment, the elastic element 3 is in a compression state, the limiting sheet 21 is abutted against the top of the inner cover 4, and under the action of the limiting sheet 21, the sealing element 2 and the elastic element 3 are effectively limited in a space formed between the outer cover 1 and the inner cover 4, so that the assembly is completed, and all parts form a whole body to form the cover body; compared with the first embodiment, the installation is more convenient and faster.

It is worth mentioning that the sealing element 2, the elastic element 3 and the limiting block 31 are integrally formed through an injection molding process; preferably, the connecting portions at the two ends of the elastic member 3 form a connecting structure (specifically, refer to fig. 7) capable of being deformed in an oriented manner through an integrally injection-molded plastic sheet, so that not only can the compressible deformation of the elastic sheet be ensured, but also the connection reliability can be ensured, and the integrated production and manufacturing are facilitated.

Specifically, the working principle of this embodiment is substantially the same as that of the first embodiment, except that the stopper 31 is always clamped with the stopper sleeve 11, and does not move relative to the stopper sleeve 11, and the elastic piece type elastic piece 3 deforms to form the acting force for sealing the nozzle 101.

The foregoing shows and describes the general principles, features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and what is described in the specification are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and these changes and modifications fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and their equivalents.

Claims (9)

1. A lid with elastic construction which characterized in that: including enclosing cover (1) and set up its inside sealing member (2), elastic component (3), inner cup (4) set firmly in the uncovered department of enclosing cover (1), it has guiding hole (41) to run through on inner cup (4), sealing member (2) with guiding hole (41) slip grafting cooperation, elastic component (3) have all the time and let sealing member (2) seal the trend of mouth of pipe (101).

2. A cover having a resilient structure, as set forth in claim 1, wherein: the guide hole (41) and the pipe orifice (101) are coaxially arranged.

3. A cover having a resilient structure, as set forth in claim 1, wherein: the sealing element (2) is provided with a limiting piece (21), and the limiting piece (21) is matched with the top stop of the inner cover (4).

4. A cover having a resilient structure, as set forth in claim 1, wherein: the bottom of sealing member (2) is equipped with seal structure, seal structure is including sealed muscle (22), sealed needle (23) and sealing washer (24), sealed muscle (22) wrap up in mouth of pipe (101) are outside, sealed needle (23) with mouth of pipe (101) interference fit, sealing washer (24) with the platform looks adaptation of mouth of pipe (101) department.

5. A cover having a resilient structure, as set forth in claim 1, wherein: the inner cavity bottom of enclosing cover (1) is equipped with stop collar (11), stop collar (11) with sealing member (2) looks adaptation.

6. A cover having a resilient structure, as set forth in claim 5, wherein: the elastic piece (3) is a spring, the sealing element (2) is provided with a mounting sleeve (25), one end of the elastic piece (3) is inserted into the limiting sleeve (11), and the other end of the elastic piece (3) is inserted into the mounting sleeve (25).

7. A cover body having a spring structure according to claim 6, wherein: the outer wall of the mounting sleeve (25) is provided with a sliding groove (251), the sliding groove (251) is arranged along the axial extension of the mounting sleeve (25), and the limiting sleeve (11) is provided with a sliding rail (12) matched with the sliding groove (251).

8. A cover having a resilient structure, as set forth in claim 5, wherein: elastic piece (3) are the shell fragment, the one end of elastic piece (3) with sealing member (2) link to each other, the other end of elastic piece (3) is connected with stopper (31), stopper (31) joint in stop collar (11), sealing member (2), elastic piece (3) and stopper (31) integration sets up.

9. A packaging container characterized by: comprising a tubular body (100) and a cover according to any one of claims 1 to 8, said tubular body (100) being removably connected to said cover.

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