CN214002669U

CN214002669U - Bottle cap with pressure balance adjusting function

Info

Publication number: CN214002669U
Application number: CN202022844411.2U
Authority: CN
Inventors: 谢国基; 姜晓平; 谢君健; 卢佳
Original assignee: GDXL Precise Machinery Co Ltd
Current assignee: GDXL Precise Machinery Co Ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-08-20
Anticipated expiration: 2030-11-30

Abstract

A bottle cap with a pressure balance adjusting function comprises a bottle cap main body, wherein the bottle cap main body comprises a top plate and a side wall, a sealing assembly is fixedly installed in the bottle cap main body, the sealing assembly divides an inner cavity of the bottle cap main body into an exhaust cavity above the sealing assembly and a connecting cavity below the sealing assembly, a spacer is arranged in the sealing assembly, the spacer is elastic, an exhaust hole penetrating through the sealing assembly is formed in the spacer, the exhaust hole is an exhaust structure which is communicated with the exhaust cavity in a one-way mode from the connecting cavity to the exhaust cavity, the exhaust hole is in a normally closed state under normal pressure, the spacer is elastically deformed under a high-pressure environment, the exhaust hole is in an open state, the side wall and the side edge of the sealing assembly are in clearance fit to form an exhaust gap, an exhaust groove communicated with the exhaust cavity and the exhaust gap is formed between the exhaust cavity and the, effectively avoiding the occurrence of the phenomenon of cover flying and the phenomenon of bottle frying when the cover is opened.

Description

Bottle cap with pressure balance adjusting function

Technical Field

The utility model belongs to the technical field of the bottle lid structure, concretely relates to bottle lid with regulating pressure balance function.

Background

The existing sealing cover of the beverage bottle is mostly sealed by mutually matching the bottle cover and the bottle mouth, and the sealing form is divided into end face sealing and inner plug type sealing of a double-sheet cover, or a layer of sealing film is stuck on the end face of the bottle mouth in a hot melting way. The sealing cover in the form has good sealing performance and can isolate the leakage of gas inside and outside the bottle. However, when the bottle is filled with a solution that is decomposed to release gas under a specific condition, such as hydrogen peroxide, soda water or milk products, the pressure in the bottle increases, so that the risk of a consumer during uncapping is caused, and even more, the risk of bottle explosion is caused by the increase of the pressure in the bottle.

Therefore, it is necessary to develop a bottle cap capable of automatically adjusting the pressure in the bottle.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a bottle cap with the function of pressure balance adjustment.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a bottle lid with regulation pressure balance function, includes the bottle lid main part, the bottle lid main part includes roof and lateral wall, fixed mounting has seal assembly in the bottle lid main part, seal assembly cuts apart the inner chamber of bottle lid main part and forms the exhaust chamber of seal assembly top and the connection chamber of seal assembly below, be equipped with the spacer in the seal assembly, the spacer has elasticity, set up the exhaust hole that runs through seal assembly in the spacer, the exhaust hole is for following the one-way carminative exhaust structure that link up in connection chamber to the exhaust chamber, the exhaust hole is the normally closed state under conventional pressure, and under high-pressure environment, elastic deformation takes place for the spacer, and the exhaust hole is the open mode, lateral wall and seal assembly side adopt clearance fit to form the exhaust clearance, be equipped with the exhaust duct with both intercommunications between exhaust chamber and the exhaust clearance.

As a further improvement, the exhaust mouth structure is formed by the protrusion of one side of the outer circumferential exhaust cavity in the exhaust hole, and the aperture of the exhaust hole is gradually reduced from one side close to the connecting cavity to one side close to the exhaust cavity.

As a further improvement, the sealing assembly comprises an upper clamping piece arranged on the upper surface of the spacer and a lower clamping piece arranged on the lower surface of the spacer, an upper trepanning matched with the exhaust nozzle structure is arranged in the upper clamping piece, the outer wall of the exhaust nozzle structure is sleeved with the inner wall of the upper trepanning, and a through hole for communicating with the exhaust hole and the connecting cavity is arranged in the lower clamping piece.

As a further improvement, the exhaust hole is concave inwards to form a groove near the end of the connecting cavity.

As the utility model discloses further improvement, the inboard of roof is equipped with the bulge loop that downwardly extending arch is used for chucking sealing component top, the lateral wall inboard is equipped with along radially encircleing the annular card limit that the arch is used for chucking sealing component bottom, sealing component presss from both sides the tight installation in the position that clamps that bulge loop and annular card limit formed.

As a further improvement of the utility model, the exhaust groove is arranged in the convex ring.

As a further improvement of the present invention, the spacer is made of a rubber material.

As a further improvement of the utility model, the upper clamping piece and the lower clamping piece are both in an annular structure.

As a further improvement of the utility model, the upper clamping piece and the lower clamping piece are both made of plastic.

The utility model has the advantages that: the utility model discloses a set up seal assembly in the bottle lid, but be equipped with elastic deformation's spacer in the seal assembly, through set up the exhaust hole in the spacer, and the exhaust hole is normal close state under conventional pressure, the inside and outside gas of bottle can't pierce through, produce gas in the bottle, the bottle lid possesses the function of disappointing when bottle internal pressure reaches certain height value, under high-pressure environment, elastic deformation takes place for the spacer, the exhaust hole is the open mode, the gaseous outward investigation in the bottle, thereby realize the balanced function of regulation bottle internal pressure, fly to cover the emergence of phenomenon and bomb phenomenon when effectively avoiding uncapping.

Drawings

The invention will be further explained with reference to the drawings and the embodiments below:

FIG. 1 is a schematic view of an assembly structure of the present embodiment;

FIG. 2 is a schematic structural view of the sealing assembly of the present embodiment;

fig. 3 is a schematic structural view of the bottle cap body according to the present embodiment;

fig. 4 is a perspective view of the bottle cap body according to the present embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

Example (b):

as shown in fig. 1 to 4, the embodiment discloses a bottle cap with a pressure balance adjusting function, which includes a bottle cap body 1, the bottle cap body 1 includes a top plate 11 and a side wall 12, a sealing component 2 is fixedly installed in the bottle cap body 1, the sealing component 2 divides an inner cavity of the bottle cap body 1 into an exhaust cavity 13 above the sealing component 2 and a connection cavity 14 below the sealing component 2, a spacer 21 is arranged in the sealing component 2, the spacer 21 has elasticity, an exhaust hole 211 penetrating the sealing component 2 is formed in the spacer 21, the exhaust hole 211 is an exhaust structure for one-way through exhaust from the connection cavity 14 to the exhaust cavity 13, the exhaust hole 211 is in a normally closed state under normal pressure, the spacer 21 is elastically deformed under high pressure, the exhaust hole 211 is in an open state, the side wall 12 and the side edge of the sealing component 2 form an exhaust gap by clearance fit, be equipped with the exhaust groove 112 with both intercommunications between exhaust chamber 13 and the exhaust clearance, when bottle internal gas pressure was higher, bottle internal gas pressure oppresses spacer 21 and takes place elastic deformation, and the arch that makes progress makes exhaust hole 211 open, and the gas gets into exhaust chamber 13 through exhaust hole 211 in the bottle, passes through exhaust groove 112 and exhaust clearance from exhaust chamber 13 again and discharges to realize adjusting bottle internal pressure balance, the emergence of flying to cover phenomenon and fried bottle phenomenon when avoiding uncapping. And after the gas in the bottle is discharged, the air pressure in the bottle descends, and the state is recovered to the normal pressure state, then the spacer 21 resets under the effect of the elastic force, and the exhaust hole 211 recovers to the normally closed state, in this embodiment, the air pressure value of the exhaust hole 211 which is set to be in the opening state is greater than the pressure value when the liquid in the bottle is put upside down, namely, the exhaust hole 211 keeps the closing state when the liquid in the bottle is put upside down, and the liquid in the bottle is prevented from leaking.

In a preferred embodiment, the periphery of the exhaust hole 211 protrudes to one side of the exhaust cavity 13 to form an exhaust nozzle structure 212, and the aperture of the exhaust hole 211 gradually decreases from the side close to the connection cavity 14 to the side close to the exhaust cavity 13. Sealing component 2 is including setting up last clamping piece 22 at spacer 21 upper surface and setting up the lower clamping piece 23 at spacer 21 lower surface, go up the upper cover hole 221 that has seted up with exhaust nozzle structure 212 assorted in the clamping piece 22, the outer wall of exhaust nozzle structure 212 cup joints with the inner wall of last cover hole 221, set up intercommunication exhaust hole 211 and the through-hole 231 of connecting chamber 14 in the clamping piece 23 down, through set up clamping piece 22 and lower clamping piece 23 respectively at the upper and lower surface of spacer 21 and press from both sides tight installation, make the form of spacer 21 keep under the clamping state, and when bottle internal gas pressure increased, elastic deformation takes place for exhaust nozzle structure 212 part for spacer 21, thereby makes the exhaust hole 211 open, after the bottle internal gas pressure resumes, exhaust hole 211 also can resume closed state. And in order to effectively open the air discharge hole 211 and make the diaphragm 21 have a one-way air discharge function, one end of the air discharge hole 211 adjacent to the connection chamber 14 is recessed inwards to form a groove 213. Wherein, the number of the air vent holes 211 can be multiple, and the corresponding upper trepanning 221 corresponding to the number of the air vent holes 211 is arranged in the upper clamping piece 22, thereby the air in the bottle can be discharged more quickly.

In a preferred embodiment, the top plate 11 is provided at an inner side thereof with a protruding ring 111 protruding downward for gripping the top of the sealing assembly 2, the side wall 12 is provided at an inner side thereof with an annular clamping edge 121 protruding radially around the inner side for gripping the bottom of the sealing assembly 2, and the sealing assembly 2 is clamped in a clamping position formed by the protruding ring 111 and the annular clamping edge 121, wherein the sealing assembly 2 is in sealing engagement with the annular clamping edge 121. The exhaust grooves 112 are arranged in the convex ring 111, and a plurality of exhaust grooves 112 are arranged around the bottom edge of the convex ring 111 at intervals.

As a preferred embodiment, the spacer 21 is made of a rubber material. The upper clip 22 and the lower clip 23 are both ring-shaped structures, and the aperture of the upper trepanning 221 and the aperture of the through hole 231 are preferably phi 7 +/-2 mm. The upper jaw 22 and the lower jaw 23 are both made of plastic.

The above description is only the preferred embodiment of the present invention, and the technical solutions of the objects of the present invention are all within the protection scope of the present invention as long as the objects are achieved by the substantially same means.

Claims

1. The utility model provides a bottle lid with adjust pressure balance function, includes the bottle lid main part, the bottle lid main part includes roof and lateral wall, its characterized in that: fixed mounting has seal assembly in the bottle lid main part, seal assembly cuts apart the inner chamber of bottle lid main part and forms the exhaust chamber of seal assembly top and the connection chamber of seal assembly below, be equipped with the spacer in the seal assembly, the spacer has elasticity, set up the exhaust hole that runs through seal assembly in the spacer, the exhaust hole is for following the connection chamber to the one-way carminative exhaust structure that link up in exhaust chamber, the exhaust hole is normally closed state under conventional pressure, and under high-pressure environment, elastic deformation takes place for the spacer in the spacer, and the exhaust hole is the open mode, the lateral wall adopts clearance fit to form the exhaust clearance with the seal assembly side, be equipped with the exhaust duct with both intercommunications between exhaust chamber and the exhaust clearance.

2. The bottle cap with the function of adjusting the pressure balance according to claim 1, wherein: the periphery of the exhaust hole protrudes towards one side of the exhaust cavity to form an exhaust nozzle structure, and the aperture of the exhaust hole is gradually reduced from one side close to the connecting cavity to one side close to the exhaust cavity.

3. The bottle cap with a function of adjusting pressure balance according to claim 2, wherein: seal assembly is including setting up the last clamping piece at spacer upper surface and setting up the lower clamping piece at the spacer lower surface, upward set up in the clamping piece with exhaust nozzle structure assorted trepanning, the outer wall of exhaust nozzle structure cup joints with the inner wall in last trepanning, set up the through-hole that communicates the exhaust hole and connect the chamber in the clamping piece down.

4. The bottle cap with a function of adjusting pressure balance according to claim 3, wherein: one end of the exhaust hole close to the connecting cavity is inwards sunken to form a groove.

5. The bottle cap with the function of adjusting the pressure balance according to claim 1, wherein: the inner side of the top plate is provided with a convex ring which extends downwards and is used for clamping the top of the sealing component, the inner side of the side wall is provided with an annular clamping edge which surrounds the protrusion along the radial direction and is used for clamping the bottom of the sealing component, and the sealing component is clamped and installed in a clamping position formed by the convex ring and the annular clamping edge.

6. The bottle cap with the function of adjusting the pressure balance according to claim 5, wherein: the exhaust groove is arranged in the convex ring.

7. The bottle cap with the function of adjusting the pressure balance according to claim 1, wherein: the spacer is made of a rubber material.

8. The bottle cap with a function of adjusting pressure balance according to claim 3, wherein: the upper clamping piece and the lower clamping piece are both of annular structures.

9. The bottle cap with a function of adjusting pressure balance according to claim 3, wherein: the upper clamping piece and the lower clamping piece are both made of plastics.