阅读说明：本技术 密封袋及其使用方法 (Hermetic bag and its application method ) 是由 王永铭 王崇贤 于 2017-05-31 设计创作，主要内容包括：一种密封袋,包括袋体(11)以及设置在袋体(11)上的第一夹链(12)、第二夹链(13)与泄气装置(14),其中袋体(11)具有容置空间(111)和连通该容置空间(111)与外界的开口(11a),第一夹链(12)用以封闭该开口(11a),第二夹链(13)用以将容置空间(111)分隔为第一次空间(111a)与第二次空间(111b),且第一次空间(111a)位于第一夹链(12)与第二夹链(13)之间,泄气装置(14)设置于第一夹链(12)与第二夹链(13)之间用以将该第一次空间(111a)中的气体导引至外界,泄气装置(14)使该第一次空间(111a)趋近于真空,使大气施加于袋体(11)的外力大于第二次空间(111b)中因为气体膨胀而施于袋体(11)向外撑开的力,第二夹链(13)始终维持关闭状态。(A kind of hermetic bag, including bag body (11) and the first clip chain (12) being arranged on bag body (11), second clip chain (13) and air releasing device (14), wherein bag body (11) has accommodating space (111) and is connected to the accommodating space (111) and extraneous opening (11a), first clip chain (12) is to close the opening (11a), second clip chain (13) is to be divided into first time space (111a) and second of space (111b) for accommodating space (111), and first time space (111a) between the first clip chain (12) and the second clip chain (13), air releasing device (14) is set between the first clip chain (12) and the second clip chain (13) the gas in the first time space (111a) is directed to the external world, it lets out Device of air (14) makes the first time space (111a) level off to vacuum, it is applied to atmosphere in greater than second space (111b) of external force of bag body (11) and imposes on the outside distracted power of bag body (11) because of gas expansion, the second clip chain (13) remains off state always.)

A sealed bag, comprising:

the bag body is provided with an accommodating space and an opening communicated with the accommodating space and the outside;

the first clamping chain is arranged on the bag body and used for sealing the opening;

the second clip chain is arranged in the bag body and used for dividing the accommodating space into a first secondary space and a second secondary space, wherein the first secondary space is positioned between the first clip chain and the second clip chain;

and the air leakage device is arranged between the first clamping chain and the second clamping chain and is used for guiding the air in the first secondary space to the outside.

The sealing bag of claim 1, wherein the air-release device comprises a valve body and a check member, the valve body has an air inlet and an air outlet, wherein the air inlet communicates with the first sub-space, and the air outlet communicates with the interior of the valve body and the outside; the backstop can be operated to move between a first position and a second position, wherein the backstop blocks the communication between the exhaust hole and the air inlet hole when being located at the first position, and the backstop opens a channel between the exhaust hole and the air inlet hole when being located at the second position.

The sealable bag of claim 2, wherein the valve body comprises a base and a top cover, the base is coupled to the bag body and has the air inlet, the top cover has the air outlet, and the top cover is coupled to the base and is movable between a third position and a fourth position, wherein when the top cover is in the third position, the check member stays in the first position and abuts against the top cover to close the air outlet, and when the top cover is in the fourth position, the check member moves to the second position to communicate the interior of the valve body with the outside so that the air outlet is communicated with the air inlet.

The sealable pouch of claim 3, wherein the venting means comprises a first resilient member for urging the lid to move in the direction of the third position.

The sealed bag of claim 3 or 4, wherein the venting means comprises a second resilient member; the exhaust hole of the top cover is provided with a first hole section and a second hole section, the aperture of the first hole section is larger than that of the second hole section, the backstop is positioned in the exhaust hole, and the second elastic piece pushes the backstop so that the backstop is abutted against the hole wall of the second hole section to be maintained at the first position.

The sealable pouch of claim 5, wherein the lid comprises a body and a stopper, the body having the first section of the vent hole, and the body having a protrusion on a wall of the first section; the resisting piece is provided with the second hole section of the exhaust hole; two ends of the second elastic member are respectively abutted against the convex part and the backstop.

The sealed bag of claim 3, wherein the valve body includes at least one seal disposed between the base and the top cover.

The sealed bag of claim 7, wherein the valve body comprises a housing; the top cover is provided with a convex ring which is outwards formed along the radial direction, the sealing element is positioned between the surface of the convex ring and the inner surface of the base, the outer cover is sleeved outside the base, and the outer cover is provided with a blocking edge which is used for blocking the convex ring of the top cover, so that the top cover cannot be separated from the base.

The bag of claim 3, wherein the valve body comprises a flexible membrane that is operable to move between a fifth position and a sixth position, a portion of the membrane being coupled to the base and another portion of the membrane covering the inlet aperture when the membrane is in the fifth position and communicating the interior of the valve body with the first sub-space when the membrane is in the sixth position.

The sealing bag of claim 2, wherein the valve body comprises a base and a top seat, the base is combined with the bag body and has an air inlet, and the top seat is combined with the base and has the air outlet; the non-return piece has flexibility, one part of the non-return piece is connected with the base, the other part of the non-return piece covers the air inlet when the non-return piece is positioned at the first position, and the inner part of the valve body is communicated with the first space when the non-return piece is positioned at the second position.

The sealed bag of claim 10, further comprising a gas-evacuating device operable to guide the gas in the first space to the outside through the gas-releasing device; the top seat is provided with a convex nozzle, the exhaust hole is arranged in the convex nozzle, and the convex nozzle is connected with the air exhaust device.

The sealed bag of claim 11, wherein the suction device comprises a connecting tube, a gas suction and delivery device, and a shield; one end of the guide connecting pipe is connected with the convex nozzle, the pipe wall of the guide connecting pipe is provided with at least one air hole, the air pumping device is connected with the other end of the guide connecting pipe, and the shielding part is arranged on the guide connecting pipe and can change between a first state and a second state, wherein when the air pumping device pumps the air in the first space out of the bag body, the non-return part is positioned at the second position, and the shielding part is positioned at the first state to shield the air hole; when the air pump sends air to the bag, the check member is at the first position and the shielding member is at the second state, so that the air hole is communicated with the outside.

The sealing bag of claim 12, wherein the air-extracting device comprises a pair of connecting tubes, one end of the connecting tube is connected to the convex nozzle, and the other end of the connecting tube is connected to one end of the connecting tube without covering the air hole.

The sealing bag of claim 13, wherein the shielding member is a flexible tube, the shielding member is sleeved outside the connecting tube, the inner wall of the shielding member in the first state is attached to the outer surface of the connecting tube, and the shielding member in the second state is deformed to form a gap between the inner wall and the outer surface of the connecting tube, so as to exhaust the gas.

A method of using the sealed bag of claim 1, comprising the steps of:

A. operating the first clamping chain to close the opening of the bag body;

B. operating the air leakage device to discharge the air in the accommodating space of the bag body to the outside;

C. operating the second clip chain to isolate the first secondary space and the second secondary space from the accommodating space;

D. the air release device is operated to discharge the gas in the first space to the outside.

The method of using a sealed bag according to claim 15, wherein before step a, the method further comprises operating the air-release device to release the air in the containing space.

The method of using the sealed bag of claim 15, wherein before performing step a, further comprising squeezing the bag to exhaust the gas in the containing space.