CN220518985U - Sealing cover and sealing tank - Google Patents

Abstract

The utility model belongs to the technical field of the seal pot technique and specifically relates to a sealed lid and seal pot, a sealed lid, including top cap and press the piece, be provided with first through-hole on the top cap, press piece and first through-hole sliding connection, the below of pressing the piece is connected with the piston, the top cap is connected with the connecting seat, it holds the chamber to construct on the connecting seat, be provided with elastomeric element in the chamber to hold, elastomeric element's one end and the diapire contact that holds the chamber, elastomeric element's the other end and the bottom contact of piston, the diapire that holds the chamber is provided with the second through-hole, second through-hole department is provided with the check valve, presses down the press piece, and press the piece to drive piston downward movement, elastomeric element receives the decurrent effort downward compression of piston, and the check valve is closed simultaneously.

Description

Sealing cover and sealing tank

Technical Field

The disclosure relates to the technical field of seal cans, in particular to a seal cover and a seal can.

Background

When food and drink are contacted with air, they are easily oxidized by oxygen in the air, and thus corrode and deteriorate. In order to extend the storage time of food and beverages, people often store the above substances in closed containers. The sealing device is a container for storage, can provide a relatively airtight storage environment for food, has good waterproof, dampproof and antiseep effects, and is widely applied to life along with the development of technology.

The sealing tank is an excellent sealing device, is made of high-grade stainless steel, is corrosion-resistant and free of foreign flavor, can prevent foods from being mixed with each other, and has excellent effects of keeping the foods dry and fresh.

The utility model patent with the publication number of CN211970289U discloses a vacuum sealing tank, which comprises a tank body with an opening at the top, wherein a sealing cover is arranged at the opening at the top of the tank body, a downward concave mounting part is arranged at the middle position of the sealing cover, an upward convex boss is arranged at the center of the mounting part, a through hole is arranged at the center of the boss, a one-way air valve is arranged in the through hole, a spring is arranged in the circumferential direction of the boss, the lower end of the spring is abutted to the upper surface position of the mounting part, the upper end of the spring is connected with a pressing cover which is in sliding connection with the position of the mounting part, and a silica gel sealing ring III is clamped at the circumferential direction of the bottom of the pressing cover. The travel of the spring is shorter, and a user can press the pressing cover for a plurality of times to form vacuum in the tank body, so that inconvenience is brought to the user.

Disclosure of Invention

To the not enough or the problem that exist among the prior art, this disclosure provides a sealed lid, and this sealed lid simple structure can play better sealed effect to the jar body.

The technical scheme adopted by the present disclosure for solving the technical problems is as follows: the utility model provides a sealed lid, includes top cap and press piece, be provided with first through-hole on the top cap, press piece and first through-hole sliding connection, the below of press piece is connected with the piston, the top cap is connected with the connecting seat, be constructed on the connecting seat and hold the chamber, be provided with elastomeric element in the chamber that holds, elastomeric element's one end and the diapire contact that holds the chamber, elastomeric element's the other end and the bottom contact of piston, the diapire that holds the chamber is provided with the second through-hole, second through-hole department is provided with the check valve, presses down the press piece, and the press piece drives piston downward movement, and elastomeric element receives the decurrent effort of piston and compresses down, and the check valve is closed simultaneously.

In a preferred embodiment, the elastic member is a conical spring, and the end of the conical spring with a smaller diameter is in contact with the lower surface of the piston, and the end with a larger diameter is in contact with the bottom wall of the accommodating cavity.

As a preferred embodiment, a limiting piece is arranged on the peripheral wall of the pressing piece, and the limiting piece limits at least part of the pressing piece in the first through hole; the bottom of connecting seat is provided with the annular arch that extends to the top cap direction, holds the chamber and encloses with annular arch by the bottom of connecting seat and form.

In some embodiments, the limiting member is a first annular protrusion extending along the radial direction of the pressing member, the first annular protrusion is continuous, and at least one vent hole is formed in the first annular protrusion, so that gas in the can body can be discharged conveniently.

Preferably, the number of the vent holes is two, and the two vent holes are symmetrically arranged.

In some embodiments, the limiting member is a first annular protrusion extending in a radial direction of the pressing member, the first annular protrusion being continuous, an outer diameter of the first annular protrusion being smaller than an inner diameter of the annular protrusion, so that the gas in the can body can be discharged.

In some embodiments, the limiting member is at least two first annular protrusions extending along the radial direction of the pressing member, and a space is arranged between each first annular protrusion, and the space facilitates the discharge of gas in the tank body.

As a preferred embodiment, a first step surface is arranged on the piston, a first gap is arranged between the first step surface and the limiting piece, and a sealing ring is arranged in the first gap.

As a preferred embodiment, a second step surface is further provided on the piston, the second step surface being provided above the first step surface, the second step surface being in contact with the bottom of the pressing piece.

In a preferred embodiment, the height of the first gap is greater than the thickness of the sealing ring.

As a preferred embodiment, the connecting seat is provided with a sealing element; the sealing element comprises a first part, a second part and/or a third part, wherein the first part and the third part are annular, the annular inner wall is attached to the connecting seat, the second part is arranged on the outer wall of the first part, the side wall of the second part is attached to the inner wall of the top cover, the second part and the third part are arranged in the middle of the first part in parallel, the width of the second part is larger than that of the third part, and the second part is arranged close to the upper part of the first part.

As a preferred embodiment, the connecting seat is provided with a second annular protrusion extending along the radial direction, the outer side of the second annular protrusion is connected with the inner wall of the top cover, and the lower surface of the second annular protrusion is contacted with the upper surface of the second part; the connecting seat is provided with a clamping groove, the sealing element is arranged in the clamping groove, and the upper part of the first part is clamped in the clamping groove.

As the preferred implementation mode, still be provided with the air release valve on the sealing cap, be provided with the third through-hole on the top cap, the relevant position of connecting seat is provided with the fourth through-hole, and the air release valve runs through third through-hole and fourth through-hole.

In a preferred embodiment, the piston is made of soft rubber.

In a preferred embodiment, the soft rubber material is rubber or silica gel.

Another object of the present disclosure is to provide a sealed can, which includes a can body, wherein an opening is provided at a top of the can body, and the sealing cover is covered on the opening.

In a preferred embodiment, the diameter of the third portion is equal to or greater than the inner diameter of the can, and the top of the can contacts the lower surface of the second portion after the sealing cover is closed over the opening. The sealing element realizes the sealing of a plurality of positions, further reduces the parts of the sealing tank and simplifies the structure.

Compared with the prior art, the elastic component is arranged in the accommodating cavity, one end of the elastic component is in contact with the bottom wall of the accommodating cavity, the other end of the elastic component is in contact with the bottom of the piston, and the elastic component can be completely compressed or sprung, so that the elastic component can be arranged to be shorter, the number of times that a pressing piece is pressed by a user can be effectively reduced, and the use is more convenient.

Drawings

The present application will be described in further detail below in conjunction with the drawings and preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the present application. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.

FIG. 1 is a schematic view of the structure of a seal cap of the present disclosure;

FIG. 2 is a cross-sectional view of a seal cap of the present disclosure;

FIG. 3 is a schematic structural view of the press-out of the present disclosure;

FIG. 4 is a schematic view of the structure of the connecting base of the present disclosure;

FIG. 5 is a schematic structural view of a piston of the present disclosure;

FIG. 6 is a schematic structural view of the seal of the present disclosure;

FIG. 7 is a schematic view of the structure of a seal pot of the present disclosure;

fig. 8 is a cross-sectional view of a sealed can of the present disclosure.

Reference numerals illustrate:

1. a top cover; 2. a pressing member; 3. a release valve; 4. a conical spring; 5. a receiving chamber; 6. a piston; 7. a seal ring; 8. a connecting seat; 9. a seal; 10. a one-way valve; 20. a tank body; 21. a limiting piece; 61. a second step surface; 62. a first step surface; 81. a second through hole; 82. a fourth through hole; 91. a first portion; 92. a second portion; 93. a third portion.

Detailed Description

In order to better understand the technical solutions of the present disclosure, the present disclosure will be described in detail, clearly and completely with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present disclosure.

It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present utility model.

Referring to fig. 1-2, an embodiment of the disclosure provides a sealing cover, which comprises a top cover 1 and a pressing piece 2, wherein a first through hole is formed in the top cover 1, the pressing piece 2 is slidably connected with the first through hole, a piston 6 is connected below the pressing piece 2, the top cover 1 is connected with a connecting seat 8, a containing cavity 5 is formed in the connecting seat 8, an annular protrusion extending towards the direction of the top cover 1 is arranged at the bottom of the connecting seat 8, and the containing cavity 5 is formed by encircling the bottom of the connecting seat 8 and the annular protrusion. The holding chamber 5 is provided with the conical spring 4, and conical spring 4's one end and holding chamber 5's diapire contact, the other end and the lower surface contact of piston 6, holding chamber 5's diapire is provided with second through-hole 81, and second through-hole 81 department is provided with check valve 10, presses down the presser 2, and the presser 2 drives piston 6 downward movement, and conical spring 4 receives the decurrent effort of piston 6 to compress downwards, and check valve 10 closes simultaneously. The conical spring 4 is arranged in the accommodating cavity 5, so that the spring is limited by a protruding limiting piece which is not required to be arranged on the bottom surface of the accommodating cavity 5 and the lower surface of the piston 6, and the structure is simplified; the conical spring 4 has small bending tendency, higher stability and longer stroke, and can effectively reduce the times of pressing the pressing piece 2 by a user, so that the use is more convenient. It will be appreciated that the smaller diameter end of the conical spring 4 is in contact with the lower surface of the piston 6 and the larger diameter end is in contact with the bottom wall of the receiving chamber 5.

Further, referring to fig. 3, a limiting member 21 is disposed on the outer peripheral wall of the pressing member 2, the limiting member 21 is disposed at the bottom of the pressing member 2, the limiting member 21 limits at least part of the pressing member 2 in the first through hole, the pressing member 2 is pressed, the limiting member 21 slides downward in the accommodating cavity 5, the conical spring 4 resets, and the limiting member 21 slides upward in the accommodating cavity 5.

The stopper 21 is a first annular protrusion extending in the radial direction of the pressing member 2, and the first annular protrusion is continuous, for example: at least one vent hole is formed in the first annular bulge so as to facilitate the discharge of gas in the tank body 20, and the number of the vent holes can be one, two or a plurality of; or the vent hole is not formed, the outer diameter of the first annular bulge is smaller than the inner diameter of the annular bulge, so that the gas in the tank body 20 can be discharged.

The limiting member 21 may be discontinuous first annular protrusions, and a certain distance or a gap is provided between each first annular protrusion, and the gap facilitates the discharge of the gas in the tank 20, preferably, in order to make the structure more stable, the distances between each first annular protrusion are equal.

Referring to fig. 5, the piston 6 is made of soft rubber, preferably rubber or silica gel. The piston 6 is provided with the first step surface 62 and the second step surface 61, the first step surface 62 is arranged below the second step surface 61, and the second step surface 61 plays a role in positioning in the assembly of the pressing piece 2, so that the assembly of the pressing piece 2 is greatly facilitated. The second step surface 61 contacts the bottom of the pressing member 2, a first gap is provided between the first step surface 62 and the stopper 21, and a seal ring 7 is provided in the first gap. Preferably, the sealing ring is an O-ring, and the height of the first gap is greater than the thickness of the sealing ring 7 (i.e. the diameter of the O-ring cross section). Because the piston 6 will slightly deform when moving upwards or downwards, the height of the first gap is set to be larger than the thickness of the sealing ring 7, enough space is reserved for deformation of the piston 6, interference between the piston 6 and the sealing ring 7 when deformation occurs is avoided, and in addition, the arrangement is more beneficial to exhausting of gas in the tank body 20.

As shown in fig. 6, the connecting seat 8 is provided with a sealing member 9; the sealing member 9 comprises a first portion 91, a second portion 92 and/or a third portion 93, the first portion 91 and the third portion 93 are annular, an annular inner wall is attached to the connecting seat 8, the second portion 92 is arranged on the outer wall of the first portion 91, the side wall of the second portion 92 is attached to the inner wall of the top cover 1, the second portion 92 and the third portion 93 are arranged in parallel in the middle of the first portion 91, the width of the second portion 92 is larger than that of the third portion 93, and the second portion 92 is arranged close to the upper portion of the first portion 91.

Further, a second annular protrusion extending along the radial direction is arranged on the connecting seat 8, the outer side of the second annular protrusion is connected with the inner wall of the top cover 1, the lower surface of the second annular protrusion is in contact with the upper surface of the second portion 92, a clamping groove is arranged on the connecting seat 8, the sealing element 9 is arranged in the clamping groove, the upper portion of the first portion 91 is clamped in the clamping groove, the lower portion of the first portion 91 is flush with the lower surface of the connecting seat 8, and the side wall of the second portion 92 is attached to the inner wall of the top cover 1, so that sealing is achieved.

As shown in fig. 1 and 4, in an embodiment of the present disclosure, the sealing cover is further provided with a gas release valve 3, the top cover 1 is provided with a third through hole, the corresponding position of the connecting seat 8 is provided with a fourth through hole 82, and the gas release valve 3 penetrates through the third through hole and the fourth through hole 82. The air release valve 3 includes a rod portion and a body, the rod portion is slidably connected in the body, the body penetrates through the fourth through hole 82, the rod portion penetrates through the third through hole, the rod portion of the air release valve 3 is pressed downwards, the air release valve 3 is opened, and air pressure in the tank 20 is communicated with atmospheric pressure.

Referring to fig. 7 to 8, another embodiment of the disclosure provides a sealed can, which includes a can body 20, an opening is provided at the top of the can body 20, and the sealing cover covers the opening.

In a preferred embodiment, the third portion 93 has a diameter greater than or equal to the inner diameter of the can 20, and the top of the can 20 contacts the lower surface of the second portion 92 after the sealing cap is closed over the opening. The third part 93 of the sealing element 9 realizes the sealing of the tank body 20, the second part 92 of the sealing element 9 realizes the sealing between the connecting seat 8 and the tank body 20 and the sealing between the tank body 20 and the top cover 1, and one sealing element 9 realizes the sealing at a plurality of positions, so that the parts of the sealed tank are reduced, and the structure is simplified.

When the sealed pot of the embodiment is used, articles are placed in the pot body 20, the sealing cover is buckled at the opening above the pot body 20, the pressing piece 2 is pressed downwards, the pressing piece 2 drives the piston 6 to move downwards, the conical spring 4 is compressed downwards under the downward acting force of the piston 6, and meanwhile the one-way valve 10 is closed. After stopping pressing, the conical spring 4 slowly resets, the conical spring 4 is opened in the resetting process, the one-way valve 10 is opened, the piston 6 moves upwards under the action of the conical spring 4, the edge of the piston 6 deforms under the action of friction force in the upward moving process of the piston 6, a gap is formed between the piston 6 and the inner wall of the accommodating cavity 5, air in the tank body 20 enters the accommodating cavity 5 through the one-way valve 10, then enters the gap between the piston 6 and the inner wall of the accommodating cavity 5 through the accommodating cavity 5, finally is discharged through the gap between each limiting piece 21 on the pressing piece 2, and the pressing piece 2 is continuously pressed until vacuum is formed in the tank body 20. The piston 6 will not deform during static state, i.e. the outside air of the piston 6 cannot enter the accommodating cavity 5 during static state, and meanwhile, the sealing member 9 seals a plurality of positions, and air cannot enter the tank 20. When the articles in the tank body 20 are needed to be taken, the pressure release valve is only pressed to open the air release valve 3, so that air enters the tank body 20, and the sealing cover can be easily opened.

The foregoing has outlined rather broadly the principles and embodiments of the present application in order that the detailed description of the utility model may be better understood, and in order that the present application may be better understood. It should be noted that it would be obvious to those skilled in the art that various improvements and modifications can be made to the present application without departing from the principles of the present application, and such improvements and modifications fall within the scope of the claims of the present application.

Claims (14)

1. The utility model provides a sealed lid, its characterized in that, includes top cap (1) and presses piece (2), be provided with first through-hole on top cap (1), press piece (2) and first through-hole sliding connection, the below of pressing piece (2) is connected with piston (6), top cap (1) are connected with connecting seat (8), construct on connecting seat (8) and hold chamber (5), be provided with elastomeric element in holding chamber (5), elastomeric element's one end and the diapire contact of holding chamber (5), elastomeric element's the other end and the bottom contact of piston (6), the diapire of holding chamber (5) is provided with second through-hole (81), second through-hole (81) department is provided with check valve (10).

2. Sealing cover according to claim 1, characterized in that the elastic means are conical springs (4), the end of the conical spring (4) with smaller diameter being in contact with the lower surface of the piston (6) and the end with larger diameter being in contact with the bottom wall of the housing chamber (5).

3. Sealing cover according to claim 1, characterized in that the outer circumferential wall of the pressing piece (2) is provided with a limiting piece (21), the limiting piece (21) limiting at least part of the pressing piece (2) in the first through hole; the bottom of connecting seat (8) is provided with the annular bulge that extends to top cap (1) direction, hold chamber (5) by the bottom of connecting seat (8) with annular bulge enclose and close and form.

4. A sealing cap according to claim 3, wherein the stop member (21) is a first annular projection extending in the radial direction of the pressing member (2), the first annular projection being continuous and at least one vent hole being provided in the first annular projection.

5. A sealing cap according to claim 3, wherein the stop member (21) is a first annular projection extending in the radial direction of the pressing member (2), the first annular projection being continuous and having an outer diameter smaller than an inner diameter of the annular projection.

6. A sealing cap according to claim 3, wherein the stop member (21) is at least two first annular projections extending in the radial direction of the pressing member (2), each first annular projection being provided with a space therebetween.

7. A sealing cap according to claim 3, characterized in that the piston (6) is provided with a first step surface (62), a first gap being provided between the first step surface (62) and the stop member (21), a sealing ring (7) being provided in the first gap.

8. Sealing cover according to claim 7, characterized in that the piston (6) is further provided with a second step surface (61), the second step surface (61) being arranged above the first step surface (62), the second step surface (61) being in contact with the bottom of the pressing element (2).

9. Sealing cap according to claim 7, characterized in that the height of the first gap is greater than the thickness of the sealing ring (7).

10. Sealing cover according to claim 1, characterized in that the connection seat (8) is provided with a sealing element (9); sealing member (9) are including first portion (91), second portion (92) and/or third portion (93), and first portion (91) and third portion (93) are annular, and annular inner wall and connecting seat (8) laminating, second portion (92) set up on the outer wall of first portion (91), and the lateral wall of second portion (92) laminates with the inner wall of top cap (1), and second portion (92) and third portion (93) parallel arrangement are in the middle part of first portion (91), the width of second portion (92) is greater than the width of third portion (93), and the upper portion setting that second portion (92) is close to first portion (91).

11. Sealing cover according to claim 10, characterized in that the connecting seat (8) is provided with a second annular projection extending in radial direction, the outer side of which is connected to the inner wall of the top cover (1), the lower surface of which is in contact with the upper surface of the second portion (92); the connecting seat (8) is provided with a clamping groove, the sealing piece (9) is arranged in the clamping groove, and the upper part of the first part (91) is clamped in the clamping groove.

12. The sealing cover according to claim 1, wherein the sealing cover is further provided with a release valve (3), the top cover (1) is provided with a third through hole, a fourth through hole (82) is arranged at a corresponding position of the connecting seat (8), and the release valve (3) penetrates through the third through hole and the fourth through hole (82).

13. A sealed can comprising a can body (20), the top of the can body (20) being provided with an opening over which a sealing cap according to any one of claims 1 to 12 is fitted.

14. The sealed can of claim 13, wherein the third portion (93) has a diameter equal to or greater than an inner diameter of the can body (20), and wherein the top of the can body (20) contacts a lower surface of the second portion (92) after the sealing cap is closed over the opening.