CN210913551U

CN210913551U - Cereal packaging bag convenient to evacuation

Info

Publication number: CN210913551U
Application number: CN201921794085.XU
Authority: CN
Inventors: 张�杰
Original assignee: Hebei Wangai Trade Co ltd
Current assignee: Cangzhou Jiacheng Plastic Industry Co.,Ltd.
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-07-03
Anticipated expiration: 2029-10-24

Abstract

The utility model belongs to the technical field of the wrapping bag, especially, a cereal wrapping bag convenient to evacuation, include the bag body, material mouth, protection machanism, put thing groove and sealing mechanism, the bottom of material mouth and the top surface of bag body right-hand member intercommunication, protection machanism's left end and the bottom fixed connection of material mouth left side inner wall, the thing groove has been seted up to the surface on material mouth top, sealing mechanism both ends bottom is installed in the inside of material mouth top both sides, the both ends of baffle and the bottom fixed connection of material mouth both sides inner wall. This cereal wrapping bag convenient to evacuation at first can accomplish the work of managing to find time of wrapping bag inside air fast, just so makes the wrapping bag possess the function of the evacuation of being convenient for, then can also the self-sealing material mouth, just so can make the sealing bag inside can not admit air, has also improved the shelf life of wrapping bag to cereal moreover, simultaneously, has also further improved the practicality of whole cereal wrapping bag.

Description

Cereal packaging bag convenient to evacuation

Technical Field

The utility model relates to a wrapping bag technical field especially relates to a cereal wrapping bag convenient to evacuation.

Background

At present, current cereal wrapping bag structure is too simple, the functionality of wrapping bag has just so been reduced, especially on current wrapping bag material mouth and the aspiration pump connection position of air pump does not set up seal structure, will lead to the aspiration pump can not conveniently manage to find time the inside air of wrapping bag fast like this, secondly current wrapping bag accomplishes evacuation process back, at this moment just need the manual installation closing cap of operating personnel, the closed mode of this kind of material mouth is too simple, so that still have a little air to enter into the inside of wrapping bag on the way of installation closing cap, thereby make the inside of wrapping bag not complete vacuum state, just so on to very big degree reduced cereal wrapping bag's practicality.

SUMMERY OF THE UTILITY MODEL

Based on the inconvenient evacuation of current cereal wrapping bag, the poor technical problem of leakproofness, the utility model provides a cereal wrapping bag convenient to evacuation.

The utility model provides a cereal wrapping bag convenient to evacuation, include the bag body, material mouth, protection machanism, put thing groove and sealing mechanism, the bottom of material mouth and the top surface of bag body right-hand member intercommunication, protection machanism's left end and the bottom fixed connection of material mouth left side inner wall, the thing groove has been seted up to the surface on material mouth top, sealing mechanism both ends bottom is installed in the inside of material mouth top both sides.

Preferably, the protection mechanism comprises a partition plate, an air outlet, a sealing plate, a shifting block, a support rod, a positioning tube, a fastening spring, a steering block, a retaining block and a pull ring, wherein two ends of the partition plate are fixedly connected with the bottom of the inner wall of the two sides of the material port, the air outlet is formed in the center of the top surface of the partition plate, the left side surface of the sealing plate is hinged with the top surface of the left end of the partition plate through hinges, the bottom end of the shifting block is fixedly connected with the center of the top surface of the sealing plate, the front surface of the bottom end of the support rod is hinged with the front surface of the shifting block through a pin shaft, the inner cavity of the right end of the positioning tube is sleeved on the surface of the left end of the support rod, the fastening spring is sleeved in the inner cavity of the left end of the positioning tube, the bottom end of the steering block is fixedly connected with the top surface of the positioning tube, the, the material mouth is after the work of accomplishing the evacuation, the aspiration pump will directly break away from with the material mouth, at this moment through the fastening spring who sets up, fastening spring's elastic force can promote the bracing piece downstream, the bracing piece downstream just can drive the piece downstream that shifts, the right-hand member downstream that the piece downstream just can drive the closing plate shifts, when the bottom of closing plate is abundant and the inner chamber of air outlet is pegged graft, at this moment wrapping bag self has just possessed self-sealing's function, just so can fully prevent that the wrapping bag is inside can not admit air.

Preferably, the sealing mechanism comprises an adaptation groove, two adaptation grooves are formed in the two sides of the top end of the material opening, the two sealing pieces, the shifting springs, the transmission blocks, the driving grooves, the transmission balls, the driving rod, the driving ball and the driving plate, the two adaptation grooves are formed in the two sides of the top end of the material opening, the two positioning pieces are sleeved in inner cavities at the ends, far away from each other, of the two adaptation grooves, one ends, close to each other, of the two sealing pieces penetrate through the surfaces, far away from each other, of the two adaptation grooves and are fixedly connected with the surfaces, far away from each other, of the two positioning pieces, one ends, far away from each other, of the two transmission blocks are fixedly connected with the ends, close to each other, of the two shifting springs, the top surfaces at the two ends of the material opening are provided with the two driving grooves, one ends, far away from each other, of the, two the bottom of actuating lever is pegged graft with the inner chamber on two drive groove tops, the top of two drive balls and the bottom fixed connection of two actuating levers, the bottom surface at drive plate both ends and the top fixed connection of two actuating levers can make the inner wall of exhaust nozzle fully contact on gasket and the aspiration pump through the drive of actuating lever, just so can accelerate the speed that internal air of bag took out from to make the wrapping bag possess the function of the evacuation of being convenient for.

Preferably, the bottom of closing plate is pegged graft with the inner chamber of air outlet, and the surface bonding of closing plate bottom has the sealing washer, and the sealing washer on the closing plate can guarantee that the closing plate is effectual seals the air outlet to can prevent that outside gas from entering into the inside of the bag body once more.

Preferably, the surface of the top end of the supporting rod is in sliding connection with the inner wall of the positioning tube, and the supporting rod is connected with the positioning tube and can be used as a fulcrum of the sealing plate, so that the sealing plate can conveniently move in a fan shape.

Preferably, the storage groove is annular, and the storage groove can facilitate the storage and extension of the sealing sheet.

Preferably, two the shape of gasket is the semicircle form, and the gasket has improved the leakproofness when wrapping bag is connected with the suction nozzle to more can improve the speed of bag body evacuation.

Preferably, the shape of the driving plate is annular, the shapes of the driving ball and the driving ball are both semicircular, the right side face of the driving ball is overlapped with the left side face of the driving ball, and the driving plate is easily in full contact with the protruding part in the air suction nozzle, so that the sealing mechanism can be better applied.

Preferably, two the shape on locating piece and two transmission piece surfaces is square, and the shape of two adaptation groove inner chambers also is square, two the surface of locating piece and two transmission pieces and the inner wall sliding connection in two adaptation grooves, transmission piece and locating piece are simultaneous movement, just so both can make corresponding motion according to shifting the spring, and both cooperate shifting the spring and more can effectively promote the gasket and seal work moreover.

The utility model provides a beneficial effect does:

1. through setting up protection machanism, the material mouth is after the work of accomplishing the evacuation, the aspiration pump will directly break away from with the material mouth, at this moment, through the fastening spring who sets up, fastening spring's elastic force can promote the bracing piece downstream, the bracing piece downstream just can drive the piece downstream that shifts, the piece downstream just can drive the right-hand member downstream of closing plate, when the bottom of closing plate is abundant pegs graft with the inner chamber of air outlet, at this moment wrapping bag self has just possessed self-sealing's function, just so can fully prevent that the wrapping bag is inside can not admit air, thereby the inside vacuum of wrapping bag has been improved, the shelf life time of the inside cereal of wrapping bag has been improved more like this.

2. Through protection machanism and sealing mechanism's cooperation use, at first can accomplish the work of managing to find time of wrapping bag inside air fast, just so make the wrapping bag possess the function of the evacuation of being convenient for, then can also the self-sealing material mouth, just so can make the sealing bag inside can not admit air, also improved the shelf life of wrapping bag to cereal moreover, simultaneously, also further improved the practicality of whole cereal wrapping bag.

Drawings

Fig. 1 is a schematic view of a grain packaging bag convenient for vacuum pumping provided by the utility model;

FIG. 2 is a front view of a grain packaging bag convenient for vacuum-pumping provided by the present invention;

fig. 3 is a front sectional view of a connection structure of a material port and a protection mechanism of a grain packaging bag convenient for vacuum pumping provided by the utility model;

fig. 4 is an enlarged view of a structure a in fig. 1 of a grain packaging bag convenient for vacuum pumping according to the present invention;

fig. 5 is a perspective view of the connection structure of the driving plate, the driving rod and the driving ball of the grain packaging bag convenient for vacuum-pumping provided by the utility model.

In the figure: 1. a bag body; 2. a material port; 3. a protection mechanism; 301. a partition plate; 302. an air outlet; 303. a sealing plate; 304. a shift block; 305. a support bar; 306. a positioning tube; 307. a fastening spring; 308. a turning block; 309. a retention block; 311. a pull ring; 4. a storage groove; 5. a sealing mechanism; 501. an adaptation groove; 502. positioning blocks; 503. sealing the sheet; 504. a displacement spring; 505. a transmission block; 506. a drive slot; 507. a drive ball; 508. a drive rod; 509. a drive ball; 511. a drive plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a cereal wrapping bag convenient to evacuation, includes the bag body 1, material mouth 2, protection machanism 3, puts thing groove 4 and sealing mechanism 5, the bottom of material mouth 2 and the top surface intercommunication of the 1 right-hand member of the bag body, protection machanism 3's left end and the bottom fixed connection of the 2 left side inner walls of material mouth, the surface on material mouth 2 top has been seted up and has been put thing groove 4, the shape of putting thing groove 4 is the annular, sealing mechanism 5 both ends bottom is installed in the inside of 2 top both sides of material mouth.

The protection mechanism 3 comprises a partition board 301, an air outlet 302, a sealing board 303, a shifting block 304, a support rod 305, a positioning tube 306, a fastening spring 307, a steering block 308, a retention block 309 and a pull ring 311, wherein two ends of the partition board 301 are fixedly connected with the bottoms of the inner walls at two sides of the material port 2, the air outlet 302 is arranged at the center of the top surface of the partition board 301, the left side surface of the sealing board 303 is hinged with the top surface of the left end of the partition board 301 through hinges, the bottom end of the sealing board 303 is inserted into the inner cavity of the air outlet 302, a sealing ring is bonded on the surface of the bottom end of the sealing board 303, the bottom end of the shifting block 304 is fixedly connected with the center of the top surface of the sealing board 303, the front surface of the bottom end of the support rod 305 is hinged with the front surface of the shifting block 304 through a pin shaft, the surface of the top end of the, the bottom end of the turning block 308 is fixedly connected with the top surface of the positioning tube 306, the front surface of the retention block 309 is hinged with the front surface of the turning block 308 through a pin shaft, and the bottom end of the pull ring 311 is fixedly connected with the top surface of the right end of the sealing plate 303.

The sealing mechanism 5 comprises an adapting groove 501, a positioning block 502, sealing pieces 503, shifting springs 504, a driving block 505, a driving groove 506, a driving ball 507, a driving rod 508, a driving ball 509 and a driving plate 511, wherein two adapting grooves 501 are formed in the two sides of the top end of the material opening 2, the two positioning blocks 502 are sleeved in inner cavities at the ends, far away from each other, of the two adapting grooves 501, the ends, close to each other, of the two sealing pieces 503 penetrate through the surfaces, far away from each other, of the two adapting grooves 501 and are fixedly connected with the surfaces, far away from each other, of the two positioning blocks 502, the two sealing pieces 503 are semi-annular, the ends, far away from each other, of the two shifting springs 504 and the surfaces, close to each other, of the two driving blocks 505 are fixedly connected with the ends, close to each other, of the two positioning blocks 502 and the two driving blocks 505, and the inner, the surface of two locating pieces 502 and two drive blocks 505 and the inner wall sliding connection of two adaptation grooves 501, two drive grooves 506 have been seted up to the top surface at material mouth 2 both ends, the one end that two transmission balls 507 kept away from each other runs through the one side that two adaptation grooves 501 are close to each other and with the one side fixed connection that two transmission blocks 505 kept away from each other, the bottom of two drive bars 508 is pegged graft with the inner chamber on two drive groove 506 tops, the top of two drive balls 509 and the bottom fixed connection of two drive bars 508, the shape of drive plate 511 is the annular, drive ball 509 is semi-circular with the shape of transmission ball 507, and the right flank of drive ball 509 and the left surface overlap joint of transmission ball 507, the bottom surface at drive plate 511 both ends and the top fixed connection of two drive bars 508.

When the material opening 2 is inserted into the air suction nozzle on the air suction pump, at this time, the protruding part of the inner wall of the air suction nozzle touches the driving plate 511, when the air suction nozzle is fully installed with the material opening 2, the protruding part of the inner wall of the air suction nozzle can completely extrude the driving plate 511, the extruded driving plate 511 can press the driving rod 508 and the driving ball 509 downwards, the driving ball 509 moves downwards and extrudes the driving ball 507 and the driving block 505, the driving block 505 pushes the shifting spring 504 and the positioning block 502 after being extruded, the positioning block 502 pushes the outer side surface of the sealing sheet 503 to fully contact with the inner wall of the air suction nozzle, thus, secondary sealing is carried out on the air suction nozzle, thus the fluidity of the air inside the packaging bag can be accelerated, the packaging bag is convenient to be vacuumized, after the material opening 2 finishes the vacuumization, the air suction pump can directly separate from the material opening 2, at this time, through the arranged, the elastic force of fastening spring 307 can promote bracing piece 305 downstream, bracing piece 305 downstream just can drive shifting block 304 downstream, shifting block 304 downstream just can drive the right-hand member downstream of closing plate 303, when the bottom of closing plate 303 is abundant with the inner chamber grafting of air outlet 302, at this moment wrapping bag self has just possessed self-sealing's function, just so can prevent fully that the wrapping bag is inside can not admit air, thereby the inside vacuum of wrapping bag has been improved, the shelf life time of the inside cereal of wrapping bag has been improved like this.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a cereal wrapping bag convenient to evacuation, includes the bag body (1), material mouth (2), protection machanism (3), puts thing groove (4) and sealing mechanism (5), its characterized in that: the bottom of material mouth (2) and the top surface intercommunication of the bag body (1) right-hand member, the left end of protection machanism (3) and the bottom fixed connection of material mouth (2) left side inner wall, the surface on material mouth (2) top has been seted up and has been put thing groove (4), sealing mechanism (5) both ends bottom is installed in the inside of material mouth (2) top both sides.

2. The cereal packaging bag facilitating evacuation of claim 1, wherein: the protection mechanism (3) comprises a partition plate (301), an air outlet (302), a sealing plate (303), a shifting block (304), a support rod (305), a positioning pipe (306), a fastening spring (307), a steering block (308), a retention block (309) and a pull ring (311), wherein two ends of the partition plate (301) are fixedly connected with the bottoms of the inner walls of two sides of the material port (2), the air outlet (302) is arranged at the center of the top surface of the partition plate (301), the left side surface of the sealing plate (303) is hinged with the top surface of the left end of the partition plate (301) through hinges, the bottom end of the shifting block (304) is fixedly connected with the center of the top surface of the sealing plate (303), the front surface of the bottom end of the support rod (305) is hinged with the front surface of the shifting block (304) through a pin shaft, the inner cavity at the right end of the positioning pipe (306) is sleeved on the surface of the left end of the support rod (305), the bottom end of the steering block (308) is fixedly connected with the top surface of the positioning tube (306), the front surface of the retaining block (309) is hinged with the front surface of the steering block (308) through a pin shaft, and the bottom end of the pull ring (311) is fixedly connected with the top surface of the right end of the sealing plate (303).

3. The cereal packaging bag facilitating evacuation of claim 1, wherein: the sealing mechanism (5) comprises adaptation grooves (501), positioning blocks (502), sealing pieces (503), shifting springs (504), transmission blocks (505), a driving groove (506), a transmission ball (507), a driving rod (508), a driving ball (509) and a driving plate (511), wherein the two adaptation grooves (501) are formed in the two sides of the top end of the material port (2), the two positioning blocks (502) are sleeved in inner cavities at the ends, far away from each other, of the two adaptation grooves (501), one ends, close to each other, of the two sealing pieces (503) penetrate through the faces, far away from each other, of the two adaptation grooves (501) and are fixedly connected with the faces, far away from each other, of the two shifting springs (504) and the faces, close to each other, of the two transmission blocks (505) and one ends, close to each other, of the two shifting springs (504), two drive grooves (506), two have been seted up to the top surface at material mouth (2) both ends one end that drive ball (507) kept away from each other runs through the one side that two adaptation grooves (501) are close to each other and with the one side fixed connection that two transmission blocks (505) kept away from each other, two the bottom of actuating lever (508) is pegged graft with the inner chamber on two drive groove (506) tops, the top of two drive balls (509) and the bottom fixed connection of two actuating levers (508), the bottom surface at actuating lever (511) both ends and the top fixed connection of two actuating levers (508).

4. The cereal packaging bag facilitating evacuation of claim 2, wherein: the bottom end of the sealing plate (303) is inserted into the inner cavity of the air outlet (302), and a sealing ring is bonded on the surface of the bottom end of the sealing plate (303).

5. The cereal packaging bag facilitating evacuation of claim 2, wherein: the surface of the top end of the support rod (305) is connected with the inner wall of the positioning tube (306) in a sliding way.

6. The cereal packaging bag facilitating evacuation of claim 1, wherein: the storage groove (4) is annular.

7. The cereal packaging bag facilitating evacuation of claim 3, wherein: the two sealing sheets (503) are in the shape of a semi-ring.

8. The cereal packaging bag facilitating evacuation of claim 3, wherein: the driving plate (511) is annular, the driving balls (509) and the transmission balls (507) are semicircular, and the right side surface of the driving balls (509) is overlapped with the left side surface of the transmission balls (507).

9. The cereal packaging bag facilitating evacuation of claim 3, wherein: the surfaces of the two positioning blocks (502) and the two transmission blocks (505) are both square, the inner cavities of the two adaptation grooves (501) are also square, and the surfaces of the two positioning blocks (502) and the two transmission blocks (505) are in sliding connection with the inner walls of the two adaptation grooves (501).