CN213551018U

CN213551018U - Self-suction type sealing heat-insulation cover

Info

Publication number: CN213551018U
Application number: CN202022335282.4U
Authority: CN
Inventors: 蒋旭; 周军剑
Original assignee: Hefei Qifan Liangpin Network Technology Co ltd
Current assignee: Hefei Qifan Liangpin Network Technology Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-06-29
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses a from sealed heat preservation of air suction formula lid, enclosing cover and inner cup including the pressure assembly, the middle part of inner cup is equipped with the mounting hole, clamps in the mounting hole and is fixed with the inner plug, and the middle part of inner plug is equipped with the cavity, form airtight chamber between cavity and the enclosing cover, install automatic inspiratory sealing mechanism in the cavity, sealing mechanism is including setting up the chamber of breathing in that encloses through the casing in the cavity, and the chamber of breathing in separates for independent cavity with sealed chamber, the air inlet of the chamber of breathing in is located its inner plug lateral wall that corresponds the position, is equipped with the bleeder vent on the bottom face of the chamber of breathing in and is used for the fixed orifices of the fixed seal pad, and fixed mounting has the dish that is used for sealed bleeder vent to seal up sealed pad in the. The utility model discloses changed the structure of traditional lid, through the structure in the airtight chamber in the stopper, heat exchange between reducible cup and the ambient air to extension heat preservation time is convenient for open when the heat scatters and disappears when cup internal gas pressure is less than ambient pressure simultaneously.

Description

Self-suction type sealing heat-insulation cover

Technical Field

The utility model relates to a sealed lid field that keeps warm mainly relates to a from inhaling sealed heat preservation of formula lid.

Background

At present, double-layer structure and seal structure have been adopted to the heat preservation lid on the market, certain heat preservation effect has been played, but it has only separated the both sides lid with bowl cover inner chamber and external space, the heat conduction is fast, the heat preservation effect is poor, and in the use, after the cup adorned hot water, directly covered the bowl cover, pressure in the bowl cover surpassed external pressure, the bowl cover easily produced the negative pressure and is difficult to open after the temperature declined in the cup under this condition, consequently need improve the bowl cover structure, make it can solve thermal insulation performance and the problem of conveniently opening, thereby improve the use value of thermos cup.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is exactly in order to compensate prior art's defect, provides a from sealed heat preservation lid of air-breathing type, has changed the structure of traditional lid, combines through the airtight chamber in the interior stopper and the structure of the sealing washer of interior stopper lateral wall, and heat exchange between reducible cup and the outside air to extension heat preservation time is convenient for open when the heat scatters and disappears when cup internal gas pressure is less than ambient pressure simultaneously.

The utility model discloses a realize through following technical scheme:

a self-suction type sealing heat-insulation cover comprises an outer cover and an inner cover which are assembled in a pressing way, wherein the middle part of the inner cover is provided with a mounting hole, an inner plug is clamped and fixed in the mounting hole, a concave cavity is arranged in the middle of the inner plug, a sealed cavity is formed between the concave cavity and the outer cover, the cavity is internally provided with an automatic air suction sealing mechanism which comprises an air suction cavity arranged in the cavity and enclosed by a shell, the air suction chamber and the sealing chamber are separated into independent chambers, the air inlet of the air suction chamber is positioned on the side wall of the inner plug at the corresponding position, the bottom end surface of the air suction cavity is provided with air holes and a fixing hole for fixing a sealing gasket, a disc-shaped sealing gasket for sealing the air holes is fixedly arranged in the fixing hole, the outer side surface of the bottom end of the inner plug is provided with a sealing groove, and a second sealing ring is clamped in the sealing groove.

The inner cover is characterized in that convex ribs which are arranged at intervals in an inward protruding mode are distributed on the inner side wall of the bottom end portion of the outer cover, a limiting boss used for clamping the inner cover is arranged between the convex ribs, a limiting ring matched with the limiting boss is arranged on the outer side wall of the bottom end portion of the inner cover, and clamping grooves matched with the convex ribs on the outer cover are distributed on the limiting ring.

The outer side wall of the upper port of the inner plug is provided with a limiting convex rib, and the limiting convex rib is clamped and in limiting fit with a boss at the upper port of the inner cover.

The inner plug is characterized in that a slot is formed in the upper end opening of the cavity of the inner plug, a step surface is arranged on the outer side of the upper end of the inner plug, a limiting block is arranged on the step surface, and an insertion block matched with the slot is arranged at the upper end opening of the inner cover.

A first sealing ring is clamped between the upper end face of the step face and the inner cover, and a limiting step used for limiting the first sealing ring is arranged on the inner end face of the inner cover.

The air suction cavity is of a hollow cavity structure formed by surrounding an upper panel, a side panel and a bottom panel, the upper panel, the side panel, the bottom panel and an inner plug are of an integral structure, and the air suction cavity is integrated by injection molding.

The bottom surface plate is located above the bottom end face of the inner plug, a mounting cavity used for clamping the disc-shaped sealing gasket is defined between the lower portion of the bottom surface plate and the side panel, an annular boss matched with the disc-shaped sealing gasket is arranged on the upper end face of the mounting cavity, and the air holes and the fixing holes are located in the annular boss.

The installation cavity is internally provided with an auxiliary cover plate matched with the installation cavity, and one side of the front end of the auxiliary cover plate, facing the side wall of the inner plug, is provided with a ventilation port.

The auxiliary cover plate is characterized in that first limiting protrusions are arranged on the side walls of two sides of the ventilating opening of the auxiliary cover plate, first limiting clamping grooves matched with the first limiting protrusions are formed in the inner side wall of the inner plug in the installation cavity, second limiting protrusions are arranged on the side wall of the rear end of the auxiliary cover plate, and second limiting clamping grooves matched with the second limiting protrusions are formed in the inner side wall of the installation cavity.

The middle part of second sealing washer be equipped with the dashpot, the notch opening of dashpot is down, the lateral surface of dashpot slightly inwards inclines to set up.

The principle is as follows: the structure of traditional lid has been changed, through interior stopper, the sealing washer of interior stopper side and the automatic inspiratory sealing mechanism's of interior stopper structure, on the one hand the heat exchange between the reducible cup in the airtight chamber in the interior stopper and the outside air to extension heat preservation time makes the thermal insulation performance of thermos cup better, on the other hand when the heat scatters and disappears when cup internal gas pressure is less than ambient pressure, the sealed pad of dish is sunken to recessedly, with airtight intracavity air cycle suction air, reach pressure balance, be convenient for open.

The utility model has the advantages that:

the utility model has the advantages of reasonable design, changed the structure of traditional lid, the airtight chamber through in the stopper combines with the structure of the sealing washer of interior stopper lateral wall, and heat exchange between reducible cup and the outside air to extension heat preservation time is convenient for open when the heat scatters and disappears cup internal gas pressure and is less than ambient pressure simultaneously.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the outer cover.

Fig. 3 is a schematic structural view of the inner lid.

Fig. 4 is a schematic structural view of the inner plug.

Fig. 5 is a schematic structural view of the auxiliary cover plate.

FIG. 6 is a schematic view of the construction of the disc seal.

Fig. 7 is another angle structure diagram of the inner plug.

Fig. 8 is a schematic cross-sectional structure view of the second seal ring.

Reference numerals:

1. an outer cover; 2. an inner cover; 3. an inner plug; 4. a concave cavity; 5. a suction chamber; 6. air holes are formed; 7. a fixing hole; 8. a disc-shaped seal gasket; 9. a rib is protruded; 10. a limiting boss; 11. a limiting ring; 12. limiting convex ribs; 13. a slot; 14. a step surface; 15. a limiting block; 16. a first seal ring; 17. a limiting step; 18. a mounting cavity; 19. an auxiliary cover plate; 20. a ventilation opening; 21. a first limiting bulge; 22. a first limiting clamping groove; 23. a second seal ring; 24. a sealing groove; 25. an annular boss; 26. a buffer tank.

The specific implementation mode is as follows:

see the drawings.

A self-suction type sealing and heat-insulating cover comprises an outer cover 1 and an inner cover 2 which are assembled in a pressing mode, wherein a mounting hole is formed in the middle of the inner cover 2, an inner plug 3 is fixedly clamped in the mounting hole, a cavity 4 is formed in the middle of the inner plug 3, a sealed cavity is formed between the cavity 4 and the outer cover 1, an automatic suction sealing mechanism is installed in the cavity 4, the sealing mechanism comprises a suction cavity 5 which is formed in the cavity 4 and is enclosed by a shell, the suction cavity 5 and the sealed cavity are separated into independent cavities, an air inlet of the suction cavity 5 is located in the side wall of the inner plug 3 at the corresponding position, an air vent 6 and a fixing hole 7 for fixing a sealing gasket are formed in the bottom end face of the suction cavity 5, a dish-shaped sealing gasket 8 for sealing the air vent are fixedly installed in the fixing hole 7, a sealing groove is formed in the outer side face of the bottom end of; through the structure of second sealing washer, the sealing performance of stopper and cup in the time of having guaranteed to use.

Furthermore, convex ribs 9 which are arranged at intervals and protrude inwards are distributed on the inner side wall of the bottom end part of the outer cover 1, limiting bosses 10 used for clamping the inner cover are arranged between the convex ribs 9, a limiting ring 11 matched with the limiting bosses 10 is arranged on the outer side wall of the bottom end part of the inner cover 2, and clamping grooves matched with the convex ribs on the outer cover 1 are distributed on the limiting ring 11; the convex rib and the limiting boss of the outer cover are clamped and matched with the limiting ring and the clamping groove of the inner cover, so that the fixed connection between the convex rib and the limiting boss is realized, and the device is convenient to assemble and easy to operate.

Further, a limiting convex rib 12 is arranged on the outer side wall of the upper port of the inner plug 3, and the limiting convex rib 12 is clamped and limited to be matched with a boss at the upper port of the inner cover 2; the limiting convex rib of the inner plug is clamped and matched with the boss of the inner cover, and the inner cover and the inner plug are assisted to be compressed, connected and fixed. A slot 13 is arranged at the upper port of the cavity of the inner plug 3, a step surface 14 is arranged at the outer side of the upper end of the inner plug 3, a limiting block 15 is arranged on the step surface 14, and an insertion block matched with the slot 13 is arranged at the upper port of the inner cover 2; through the structure of step face, realized that interior stopper and inner cup clamp fixedly, realized directly clamping and spacing of interior stopper and inner cup through slot and inserted block simultaneously. A first sealing ring 16 is clamped between the upper end surface of the step surface 14 and the inner cover 2, and a limiting step 17 for limiting the sealing ring is arranged on the inner end surface of the inner cover 2; through the structure of sealing washer, realized interior stopper and inner cup between sealed, through the structure of the spacing step on the inner cup, guaranteed the stability that clamps of sealing washer.

Further, the air suction chamber 5 is of a hollow cavity structure surrounded by an upper panel, a side panel and a bottom panel, the upper panel, the side panel, the bottom panel and the inner plug 3 are of an integrated structure and are integrated through injection molding; the air suction cavity and the cavity arranged in the inner cavity reasonably use the space of the cavity, and the air suction cavity is directly injection-molded and convenient to process, so that the air suction cavity is separated from the sealed cavity, and the sealing heat-conducting property between the air suction cavity and the sealed cavity is good. The bottom panel is positioned above the bottom end surface of the inner plug 3, a mounting cavity 18 for clamping the disc-shaped sealing gasket is defined between the lower part of the bottom panel and the side panel, an annular boss matched with the disc-shaped sealing gasket 8 is arranged on the upper end surface of the mounting cavity 18, and the air holes 6 and the fixing holes 7 are positioned in the annular boss; through the structure of installation cavity for hold the sealed pad of dish, the sealed installation of filling up of dish of being convenient for simultaneously is fixed. An auxiliary cover plate 19 matched with the installation cavity 18 is installed in the installation cavity 18, and a ventilation opening 20 is formed in one side, facing the side wall of the inner plug 3, of the front end of the auxiliary cover plate 19; through the structure of supplementary apron, when guaranteeing to use on the one hand, the gas in the cup is direct to be sealed the pad contact with the dish, protects sealed pad of dish, and on the other hand can be used to spacing sealed pad of dish, avoids its atress in-process, produces the obscission.

Furthermore, the side walls of two sides of the vent hole 20 of the auxiliary cover plate 19 are provided with a first limiting protrusion 21, the inner side wall of the inner plug in the installation cavity 18 is provided with a first limiting clamping groove matched with the first limiting protrusion 21, the side wall of the rear end of the auxiliary cover plate 19 is provided with a second limiting protrusion 22, and the inner side wall of the installation cavity 18 is provided with a second limiting clamping groove matched with the second limiting protrusion 22; through the structure of the first limiting bulges and the second limiting bulges at the front end and the rear end of the auxiliary cover plate, the auxiliary cover plate can be conveniently installed, the auxiliary cover plate can be directly buckled and pressed in an installation cavity, the auxiliary cover plate can be opened and inserted into the ventilation port through the auxiliary tool, the auxiliary cover plate can be directly tilted, and after the auxiliary cover plate is conveniently used for a long time, the butterfly-shaped sealing gasket is cleaned or the butterfly-shaped sealing gasket is installed when the butterfly-shaped sealing gasket falls off.

Furthermore, a buffer groove 26 is arranged in the middle of the second sealing ring 23, the opening of the notch of the buffer groove 26 is downward, and the outer side surface of the buffer groove 26 is slightly inclined inward; through the structure of dashpot, when cup or internal temperature of kettle is high, according to expend with heat and contract with cold's characteristic, the second sealing washer can press close to sealed insulation performance better with cup or internal wall of kettle more, and the dashpot has certain cushioning nature simultaneously, reduces the laminating degree of second sealing washer and cup or internal wall of kettle to conveniently open.

The specific installation and use process of the structure is as follows: firstly, the inner cover is embedded in the outer cover, then the inner plug is clamped and fixed in the inner cover, after the inner plug is fixed, the butterfly-shaped sealing gasket is arranged in the fixing hole, the bottom end part of the inner cover is screwed to the cup opening or the kettle opening in the use process, the temperature in the cup body or the kettle body is higher after screwing, at the moment, the temperature in the cup body or the kettle body can enter the mounting cavity from the air inlet of the auxiliary cover plate and then enters the air suction cavity from the air vent of the mounting cavity, at the moment, the force is exerted on the disk-shaped sealing gasket to be upward, the edge of the disk-shaped sealing gasket is tightly attached to the annular boss in the mounting cavity for sealing, so that the heat exchange between the sealed cavity above the disk-shaped sealing gasket and the cup body is prevented, the function of an interlayer is achieved, when the heat of the cup body is radiated into the cup or the internal pressure of the kettle is lower than the external pressure, at the, pressure equalization is achieved, thereby facilitating opening.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected to the inside of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a from sealed heat preservation of air suction formula lid, is including enclosing cover (1) and inner cup (2) that press fitting closed, its characterized in that: the middle part of inner cup (2) is equipped with the mounting hole, clamp in the mounting hole and be fixed with interior stopper (3), the middle part of interior stopper (3) is equipped with cavity (4), form airtight chamber between cavity (4) and enclosing cover (1), install automatic inspiratory sealing mechanism in cavity (4), sealing mechanism is including setting up suction chamber (5) that encloses through the casing in cavity (4), suction chamber (5) separate into independent cavity with sealed chamber, the air inlet of suction chamber (5) is located its interior stopper (3) lateral wall that corresponds the position, be equipped with bleeder vent (6) and be used for the sealed fixed orifices (7) that fill up of fixed bolster on the bottom face of suction chamber (5), fixed mounting has dish-shaped sealing pad (8) that are used for sealed bleeder vent in fixed orifices (7), the bottom portion lateral surface of interior stopper (3) on be equipped with seal groove (24), and a second sealing ring (23) is clamped in the sealing groove (24).

2. The self-aspirating, sealed, and insulating cover of claim 1, further comprising: the inner side wall of the bottom end part of the outer cover (1) is distributed with convex ribs (9) which are arranged at intervals in an inward protruding mode, a limiting boss (10) used for clamping the inner cover is arranged between the convex ribs (9), the outer side wall of the bottom end part of the inner cover (2) is provided with a limiting ring (11) matched with the limiting boss (10), and the limiting ring (11) is distributed with clamping grooves matched with the convex ribs on the outer cover (1).

3. The self-aspirating, sealed, and insulating cover of claim 1, further comprising: the outer side wall of the upper port of the inner plug (3) is provided with a limiting convex rib (12), and the limiting convex rib (12) is clamped and matched with a boss at the upper port of the inner cap (2) in a limiting way.

4. The self-aspirating, sealed, and insulating cover of claim 1, further comprising: the upper port department of interior stopper (3) cavity be equipped with slot (13), the interior stopper (3) upper end outside is equipped with step face (14), be equipped with stopper (15) on step face (14), the upper port department of inner cup (2) is equipped with the inserted block with slot (13) complex.

5. The self-aspirating, sealed, and insulating cover of claim 4, wherein: a first sealing ring (16) is clamped between the upper end face of the step face (14) and the inner cover (2), and a limiting step (17) used for limiting the first sealing ring is arranged on the inner end face of the inner cover (2).

6. The self-aspirating, sealed, and insulating cover of claim 1, further comprising: the air suction cavity (5) is of a hollow cavity structure formed by surrounding an upper panel, a side panel and a bottom panel, and the upper panel, the side panel, the bottom panel and the inner plug (3) are of an integral structure and are integrated through injection molding.

7. The self-aspirating, sealed, and insulating cover of claim 6, wherein: the bottom panel be located the top of stopper (3) bottom end face in, enclose between the below of bottom panel and the side board and enclose into installation cavity (18) that are used for clamping the sealed pad of dish, be equipped with on the up end of installation cavity (18) with sealed annular boss (25) of (8) complex of dish, bleeder vent (6) and fixed orifices (7) all are located annular boss (25).

8. The self-aspirating, sealed, and insulating cover of claim 7, wherein: an auxiliary cover plate (19) buckled with the mounting cavity (18) is mounted in the mounting cavity (18), and a ventilation opening (20) is formed in one side, facing the side wall of the inner plug (3), of the front end of the auxiliary cover plate (19).

9. The self-aspirating, sealed, and insulating cover of claim 8, wherein: the auxiliary cover plate is characterized in that first limiting bulges (21) are arranged on the side walls of two sides of the ventilating opening (20) of the auxiliary cover plate (19), first limiting clamping grooves matched with the first limiting bulges (21) are formed in the inner side wall of the inner plug in the installation cavity (18), second limiting bulges (22) are arranged on the side wall of the rear end of the auxiliary cover plate (19), and second limiting clamping grooves matched with the second limiting bulges (22) are formed in the inner side wall of the installation cavity (18).

10. The self-aspirating, sealed, and insulating cover of claim 1, further comprising: the middle part of the second sealing ring (23) is provided with a buffer groove (26), the opening of the notch of the buffer groove (26) is downward, and the outer side surface of the buffer groove (26) is slightly inclined inwards.