CN212981108U

CN212981108U - Vacuum storage tank

Info

Publication number: CN212981108U
Application number: CN202021734900.6U
Authority: CN
Inventors: 魏高平
Original assignee: Guangdong Foreign Trade Development Co ltd
Current assignee: Guangdong Foreign Trade Development Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-04-16
Anticipated expiration: 2030-08-19

Abstract

The utility model relates to a vacuum storage tank, which comprises a tank body, a cover body, a surface cover and a plug ring, wherein the middle part of the cover body is provided with a concave cavity, and a pressing drum and a first reset spring are arranged in the concave cavity; an upward switch seat is arranged in the middle of the inner bottom wall of the concave cavity, a vent hole communicated with the tank body is formed in one side of the inner bottom wall of the concave cavity, a rubber plug is arranged in the vent hole, a guide cylinder is arranged on the inner bottom wall of the concave cavity, and a self-locking switch is arranged in the inner cavity of the switch seat; an ejector rod is arranged in the upper wall of the pressing drum, a guide post is arranged on the inner top wall of the pressing drum, and the position of the ejector rod corresponds to the position of the self-locking switch; a first sealing ring is arranged on the peripheral wall of the pressing drum; the cover body is provided with a pressure relief hole, and a pressure relief device is arranged in the pressure relief hole. The push rod and the self-locking switch are arranged, so that the automatic locking of the pressing drum in the exhaust process can be realized, and the pressing action is not required to be maintained all the time manually; the two buckle pieces and the pressing part are integrally made of soft plastic materials, the thinned part forms a movable connecting part, the structure is simple, and the production cost is saved.

Description

Vacuum storage tank

Technical Field

The utility model relates to a storage container field indicates a vacuum storage tank especially.

Background

The storing jar is a common daily life articles for use, and the lid is covered again to the most common storing jar is direct through putting into jar internal back with article such as food to reach and store the function and play certain effect to the fresh-keeping of article, but the internal itself of jar of these storing jars has certain air, consequently can't guarantee that the internal article of jar is in the vacuum state, and is shorter to article save time. In order to solve the problem, some storage tanks capable of being vacuumized appear on the market, and the tank body is in a vacuum state through a vacuumizing device, so that food can be stored for a longer time.

In the prior art, patent No. 2017206364250 discloses a vacuum lid for storage tank, its structure includes the lid, the downside of lid and the position that is close to the edge encircle the recess that is provided with the jar mouth looks adaptation of storage tank, be provided with first sealing washer in the recess, still be provided with the evacuation chamber on the lid, it presses the drum to have the evacuation through the cooperation of first reset spring on the evacuation chamber, the evacuation presses the drum and forms the evacuation chamber after the cooperation of vacuum chamber, the bottom of evacuation chamber is provided with the evacuation mouth that is linked together with the inner chamber of storage tank, evacuation mouth department cooperation has the check valve, the circulation is pressed the evacuation and is pressed the drum, the inner chamber of storage tank is vacuumed, still be provided with pressure relief device on the lid, pressure relief device's outer end exposes on the lid, press pressure relief device, atmospheric pressure in the storage tank resumes. The vacuum storage tank needs to be manually kept pressing and pressing the drum to act in the exhaust process in the vacuumizing process, meanwhile, the cover body of the vacuum storage tank needs to be simultaneously provided with the exhaust port and the pressure relief device, the vacuumizing port is matched with the one-way valve, the structure is complex, and a self-locking mechanism is not pressed.

Disclosure of Invention

In order to solve the problem, the utility model provides a press the drum at the automatic locking of exhaust in-process, need not set up gas vent, the vacuum storage tank that the structure is simplified in addition on the lid simultaneously.

In order to achieve the purpose, the technical scheme adopted by the utility model is a vacuum storage tank, which comprises a tank body, a cover body, a face cover and a plug ring arranged at the lower part of the cover body, wherein the middle part of the cover body is provided with a concave cavity, a pressing drum is arranged in the concave cavity, and a first reset spring is arranged in the cavity formed by the concave cavity and the pressing drum; an upward switch seat is arranged in the middle of the inner bottom wall of the concave cavity, a vent hole communicated with the tank body is formed in one side of the inner bottom wall of the concave cavity, a rubber plug is arranged in the vent hole and serves as a one-way valve, guide cylinders are arranged on two sides of the switch seat on the inner bottom wall of the concave cavity respectively, the switch seat is provided with an inner cavity, and a self-locking switch is arranged in the inner cavity; a mandril which extends downwards and is matched with the self-locking switch is arranged in the upper wall of the pressing drum, guide columns which are matched with the guide cylinders are respectively arranged on the two sides of the mandril on the inner top wall of the pressing drum, and the position of the mandril corresponds to the position of the self-locking switch; the outer peripheral wall of the pressing drum is provided with an installation groove, and a first sealing ring is arranged in the installation groove; the cover body is further provided with a pressure relief hole, and a pressure relief device is arranged in the pressure relief hole.

Furthermore, the self-locking switch comprises a shell, a movable block, a crochet hook and a second reset spring, wherein the movable block is made of soft plastic materials, the lower part of the movable block is arranged in the shell, the upper part of the movable block is provided with a pressing part which extends upwards from the shell, the upper part of the movable block is positioned at two sides of the pressing part and is respectively and integrally provided with a buckling piece which extends upwards and is bent inwards to form a pair of opening and closing clamping hooks, the connecting position of the two buckling pieces and the pressing part is thinned because of the soft plastic materials, a movable connecting part is formed at the thinned part, a guide limiting groove is arranged on one side wall of the shell, the movable block is provided with a guide block corresponding to the guide limiting groove, and the movable block is slidably embedded in the guide; two sides of the movable block are respectively provided with a side convex block, a heart-shaped lower convex block and an upper convex block, the side convex block, the heart-shaped lower convex block and the upper convex block form a compression stroke guide groove and an extension stroke guide groove for sliding the upper part of the crochet needle, and a crochet needle clamping groove is formed between the heart-shaped lower convex block and the upper convex block; the lower part of the crochet hook is fixed on the inner bottom wall of the shell, and a clamping opening arranged at the upper part of the crochet hook clamps the movable block and slides along the compression stroke guide groove and the extension stroke guide groove; a spring post is arranged on the inner bottom wall of the shell, a spring accommodating cavity is arranged at the lower part of the movable block, the spring accommodating cavity corresponds to the position of the spring post, one end of the second reset spring is sleeved on the spring post, and the other end of the second reset spring is accommodated in the inner cavity of the spring accommodating cavity and is abutted against the inner top wall of the spring accommodating cavity; the two outer sides of the shell are provided with embedded blocks, and the inner wall of the switch base is provided with an embedded groove matched with the embedded blocks.

Furthermore, the upper part of the shell is a wide opening part, the inner diameter of the wide opening part is smaller than the maximum size of the two buckling pieces when the two buckling pieces are opened, and when the pressing part presses downwards, the outer sides of the buckling pieces are propped against the inner wall of the wide opening part and are folded to clamp the ejector rod.

Furthermore, the pressure relief device comprises a plunger, a press cap arranged on the upper portion of the plunger, a third reset spring and a second sealing ring, a press cap installation cavity is arranged on the lower portion of the pressure relief hole, the plunger is installed in the press cap installation cavity after being sleeved with the third reset spring, the press cap abuts against the pressure relief hole, the second sealing ring is sleeved on the lower portion of the plunger, the second sealing ring blocks a lower end opening of the press cap installation cavity in a normal state of the third reset spring, meanwhile, the second sealing ring seals the lower end opening of the press cap installation cavity, and when the press cap is pressed to leave the pressure relief hole, the second sealing ring is far away from the lower end opening of the press cap installation cavity to form a channel communicated with outside air in the tank body.

Further, the face lid passes through the screw lid and establishes in the lid top, and the face is covered and is equipped with the first through-hole with pressing the drum adaptation and with the second through-hole of pressing the cap adaptation, press the drum and all expose in the face and cover with pressing the cap.

The beneficial effects of the utility model reside in that: this vacuum storage jar is equipped with ejector pin and self-locking switch, can realize pressing the automatic locking of drum in exhaust process, need not artificially maintain always to press the action, the utility model discloses a pressure relief device not only can relieve the vacuum state, still uses as the gas vent at the evacuation process, need not set up the gas vent in addition, simultaneously the utility model discloses only be equipped with the one-way valve port with jar body intercommunication at the interior diapire of lid cavity, just can accomplish the evacuation operation, realized the purpose that the structure is simplified and reduce cost, need not supporting external evacuation equipment in addition, portable and packing. The two buckle pieces and the pressing part are integrally made of soft plastic materials, the connecting positions of the two buckle pieces and the pressing part are thinned to form movable connecting parts, the structure is simple, and the production cost is saved.

Drawings

Fig. 1 is a schematic view of a vacuum canister.

FIG. 2 is an exploded view of the lid of the vacuum canister.

FIG. 3 is a cross-sectional view of a lid of a vacuum canister.

FIG. 4 is a schematic view of a housing of the vacuum canister.

Fig. 5 is a schematic structural view of a self-locking switch of the vacuum canister.

Detailed Description

Referring to fig. 1-3, the present invention relates to a vacuum storage tank, which comprises a tank body 1, a cover body 2, a surface cover 25 and a plug ring 27 arranged at the lower part of the cover body 2, wherein a cavity 21 is arranged at the middle part of the cover body 2, a pressing drum 4 is arranged in the cavity 21, and a first return spring 5 is arranged in a cavity formed by the cavity 21 and the pressing drum 4; an upward switch base 3 is arranged in the middle of the inner bottom wall of the concave cavity 21, a vent hole 6 communicated with the tank body 1 is formed in one side of the inner bottom wall of the concave cavity 21, a rubber plug 61 serving as a one-way valve is arranged in the vent hole 6, guide cylinders 7 are respectively arranged on two sides of the switch base 3 on the inner bottom wall of the concave cavity 21, an inner cavity is formed in the switch base 3, and a self-locking switch 8 is arranged in the inner cavity; the inner part of the upper wall of the pressing drum 4 is provided with a mandril 9 which extends downwards and is matched with the self-locking switch 8, guide columns 71 which are matched with the guide cylinders 7 are respectively arranged on the top wall of the inner top wall of the pressing drum 4 and are positioned at two sides of the mandril 9, specifically, the number of the guide cylinders 7 is two, the circumferential movement of the pressing drum 4 is limited by the matching of the guide cylinders 7 and the guide columns 71, and the position of the mandril 9 corresponds to the position of the self-locking switch 8; the outer peripheral wall of the pressing drum 4 is provided with an installation groove, and a first sealing ring 10 is arranged in the installation groove; the cover body 2 is further provided with a pressure relief hole 23, a pressure relief device is arranged in the pressure relief hole 23, specifically, the pressure relief device comprises a plunger 220, a pressing cap 221 arranged on the upper portion of the plunger 220, a third return spring 222 and a second sealing ring 223, a pressing cap installation cavity 24 is arranged on the lower portion of the pressure relief hole 23, the plunger 220 is installed in the pressing cap installation cavity 24 after being sleeved with the third return spring 222, the pressing cap 221 abuts against the pressure relief hole 23, the second sealing ring 223 is sleeved on the lower portion of the plunger 220, the lower end opening of the pressing cap installation cavity 24 is plugged by the second sealing ring 223 in a normal state of the third return spring 222, meanwhile, the lower end opening of the pressing cap installation cavity 24 is sealed by the second sealing ring 223, when the pressing cap 221 is pressed to leave the pressure relief hole 23, the lower end opening of the pressing cap installation cavity 24 is far away from the second sealing ring 223. The surface cover 25 is provided above the cover body 2 by a screw cover, the surface cover 25 is provided with a first through hole 251 adapted to the pressing drum 4 and a second through hole 252 adapted to the pressing cap 221, and both the pressing drum 4 and the pressing cap 221 are exposed on the surface cover 25.

Specifically, referring to fig. 4-5, the self-locking switch 8 includes a housing 81, a movable block 82, a hook pin 83 and a second return spring 85, the movable block 82 is made of a soft plastic material, a lower portion of the movable block 82 is installed in the housing 81, an upper portion of the movable block 82 is provided with a pressing portion 821, the pressing portion 821 extends upward from the housing 81, two sides of the pressing portion 821 on the upper portion of the movable block 82 are respectively and integrally provided with a pair of buckling pieces 84 extending upward and bending inward to form a pair of opening and closing hooks, a connecting position between the two buckling pieces 84 and the pressing portion 821 is thinned, due to the soft plastic material, a movable connecting portion 840 is formed at the thinned portion, a guide limiting groove 811 is formed on one side wall of the housing 81, the movable block 82 is provided with a guide block 822 corresponding to the guide limiting groove 811, and the movable block 82 is slidably embedded in the guide limiting groove; two sides of the movable block 82 are respectively provided with a side convex block 823, a heart-shaped lower convex block 824 and an upper convex block 825, the side convex block 823, the heart-shaped lower convex block 824 and the upper convex block 825 form a compression stroke guide groove and an extension stroke guide groove for sliding the upper part of the crochet needle 83, and a crochet needle clamping groove 826 is formed between the heart-shaped lower convex block 824 and the upper convex block 825; the lower part of the crochet hook 83 is fixed on the inner bottom wall of the shell 81, and a clamping opening arranged at the upper part of the crochet hook 83 clamps the movable block 82 and slides along the compression stroke guide groove and the extension stroke guide groove; a spring column 812 is arranged on the inner bottom wall of the shell 81, a spring accommodating cavity is arranged at the lower part of the movable block 82, the spring accommodating cavity corresponds to the position of the spring column 812, one end of a second reset spring 85 is sleeved on the spring column 812, and the other end of the second reset spring is accommodated in the inner cavity of the spring accommodating cavity and abuts against the inner top wall of the spring accommodating cavity; the two outer sides of the housing 81 are provided with an insert 813, and the inner wall of the switch base 3 is provided with an insert groove matched with the insert 813. The upper part of the shell 81 is provided with a wide opening part 810, the inner diameter of the wide opening part 810 is smaller than the maximum size of the two buckling pieces 84 when the two buckling pieces 84 are opened, and when the pressing part is pressed downwards, the outer sides of the buckling pieces 84 are propped against the inner wall of the wide opening part 810 and are folded to clamp the ejector rod 9.

When the pressing drum 4 is pressed by a hand until the ejector rod 9 and the movable block 82 are extruded to drive the movable block 82 to move downwards, the movable block 82 moves downwards to drive the two buckling pieces 84 to move clockwise and anticlockwise respectively, the lower parts of the two buckling pieces 84 retract into the upper shell 81 and stay in the upper shell 81 due to the limitation of the upper shell 81, the two buckling pieces 84 are folded to buckle the ejector rod 9, the second return spring 85 is in a compression state, the upper part of the crochet hook 83 slides in the compression stroke guide groove until sliding to a crochet hook clamping groove 826 formed between the heart-shaped lower convex block 824 and the upper convex block 825, the hand for pressing the pressing drum 4 is released at the moment, the movable block 82 moves upwards under the restoring force of the second return spring 87, and the crochet hook 83 is hooked in the crochet hook clamping groove 826 to form a locked state of the pressing drum 4; when the pressing drum 4 is pressed again, the movable block 82 is pressed to move downwards, the latch 83 slides out of the latch slot 826 from the other side, the movable block 82 moves upwards and resets under the elastic force of the second reset spring 85, the two buckle pieces 84 extend out of the upper shell 81, at this time, the two buckle pieces 84 are not limited by the outer shell 81 any more and are bounced to two sides, so that the ejector rod 9 is released and separated from the two buckle pieces 84, and at this time, the pressing drum 4 is in an unlocking state.

The working principle and the process of the vacuum storage tank are as follows: and (3) vacuumizing: pressing the pressing drum 4, opening the rubber plug 61, allowing air between the cover body 2 and the pressing drum 4 to enter the tank body 1 from the air vent 6, pressing the pressing cap 221, and opening the lower end opening of the pressing cap mounting cavity 24 by keeping the second sealing ring 223 away from the lower end opening of the pressing cap mounting cavity 24, so that the lower end opening of the pressing cap mounting cavity 24 is opened, allowing air in the tank body 1 to be discharged from the lower end opening of the pressing cap mounting cavity 24 to the pressure relief hole 23, releasing the pressing cap 221 after the air in the tank body 1 is discharged from the pressure relief hole 23, returning the pressing cap 221 to close the pressure relief hole 23 under the restoring force action of the third return spring 222, and at the moment, moving the pressing drum 4 downwards until the ejector rod 9 is meshed with the self-locking switch 8; when the pressing drum 4 is pressed again, the self-locking switch 8 is separated from the ejector rod 9, the pressing drum 4 is pushed to move upwards under the action of the first return spring 5, the operation is circulated in such a way, until the pressing drum 4 cannot be pressed downwards, the interior of the tank body 1 is close to a vacuum state, oxygen in the tank body 1 is reduced, and articles are conveniently stored in the tank body 1; when the lid 2 is to be opened, the pressing cap 221 is pressed, and the inside of the can body 1 is communicated with the outside atmosphere, so that the inside of the can body 1 is in a non-vacuum state, and the lid 2 is easily opened.

The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.

Claims

1. A vacuum storage tank, its characterized in that: the novel cup comprises a cup body (1), a cup body (2), a surface cover (25) and a plug ring (27) arranged at the lower part of the cup body (2), wherein a concave cavity (21) is formed in the middle of the cup body (2), a pressing drum (4) is arranged in the concave cavity (21), and a first return spring (5) is arranged in a cavity formed by the concave cavity (21) and the pressing drum (4); an upward switch base (3) is arranged in the middle of the inner bottom wall of the cavity (21), a vent hole (6) communicated with the tank body (1) is formed in one side of the inner bottom wall of the cavity (21), a rubber plug (61) is arranged in the vent hole (6), guide cylinders (7) are arranged on the two sides of the switch base (3) on the inner bottom wall of the cavity (21), an inner cavity is formed in the switch base (3), and a self-locking switch (8) is installed in the inner cavity; a mandril (9) which extends downwards and is matched with the self-locking switch (8) is arranged in the upper wall of the pressing drum (4), guide columns (71) which are matched with the guide cylinders (7) are respectively arranged on the two sides of the mandril (9) on the inner top wall of the pressing drum (4), and the position of the mandril (9) corresponds to the position of the self-locking switch (8); the outer peripheral wall of the pressing drum (4) is provided with a mounting groove, and a first sealing ring (10) is mounted in the mounting groove; the cover body (2) is further provided with a pressure relief hole (23), and a pressure relief device is arranged in the pressure relief hole (23).

2. The vacuum canister of claim 1, wherein: the self-locking switch (8) comprises a shell (81), a movable block (82), a crochet hook (83) and a second return spring (85), the movable block (82) is made of soft plastic material, the lower part of the movable block (82) is arranged in the shell (81), a pressing part (821) is arranged at the upper part of the movable block (82), the pressing part (821) extends upwards from the shell (81), a pair of buckling pieces (84) which extend upwards and are bent inwards are respectively and integrally arranged at the two sides of the pressing part (821) at the upper part of the movable block (82) to form a pair of opening and closing clamping hooks, the connecting positions of the two buckling pieces (84) and the pressing part (821) are thinned to form a movable connecting part (840), a guide limiting groove (811) is formed in one side wall of the shell (81), a guide block (822) is arranged on the movable block (82) corresponding to the guide limiting groove (811), and the movable block (82) is slidably embedded in the guide limiting groove (811) through the guide block (822) and is arranged in the shell (81); two sides of the movable block (82) are respectively provided with a side convex block (823), a heart-shaped lower convex block (824) and an upper convex block (825), the side convex block (823), the heart-shaped lower convex block (824) and the upper convex block (825) form a compression stroke guide groove and an extension stroke guide groove for the upper part of the crochet needle (83) to slide, and a crochet needle clamping groove (826) is formed between the heart-shaped lower convex block (824) and the upper convex block (825); the lower part of the crochet hook (83) is fixed on the inner bottom wall of the shell (81), and a clamping opening arranged at the upper part of the crochet hook (83) clamps the movable block (82) and slides along the compression stroke guide groove and the extension stroke guide groove; a spring post (812) is arranged on the inner bottom wall of the shell (81), a spring accommodating cavity is arranged at the lower part of the movable block (82), the spring accommodating cavity corresponds to the spring post (812), one end of the second reset spring (85) is sleeved on the spring post (812), and the other end of the second reset spring is accommodated in the inner cavity of the spring accommodating cavity and abuts against the inner top wall of the spring accommodating cavity; the switch base is characterized in that two outer sides of the shell (81) are provided with embedded blocks (813), and the inner wall of the switch base (3) is provided with an embedded groove matched with the embedded blocks (813).

3. The vacuum canister of claim 2, wherein: the upper part of the shell (81) is provided with a wide opening part (810), and the inner diameter of the wide opening part (810) is smaller than the maximum size of the two buckling pieces (84) when the buckling pieces (84) are opened.

4. The vacuum canister of claim 1, wherein: the pressure relief device comprises a plunger (220), a pressing cap (221) arranged at the upper part of the plunger (220), a third return spring (222) and a second sealing ring (223), a pressing cap installation cavity (24) is arranged at the lower part of the pressure relief hole (23), a plunger (220) is sleeved with a third return spring (222) and then is installed in the pressing cap installation cavity (24), the pressure cap (221) is pressed against the pressure relief hole (23), the second sealing ring (223) is sleeved at the lower part of the plunger (220), the second sealing ring (223) blocks the lower end opening of the pressing cap mounting cavity (24) under the normal state of the third return spring (222), meanwhile, the lower end opening of the pressing cap installation cavity (24) is sealed by a second sealing ring (223), when the pressing cap (221) is pressed to be away from the pressure relief hole (23), the second sealing ring (223) is far away from the lower end opening of the pressing cap installation cavity (24) to form a channel for communicating the inside of the tank body with the outside air.

5. The vacuum canister of claim 1, wherein: the face cover (25) is arranged above the cover body (2) through a screw cover, a first through hole (251) matched with the pressing drum (4) and a second through hole (252) matched with the pressing cap (221) are formed in the face cover (25), and the pressing drum (4) and the pressing cap (221) are exposed out of the face cover (25).