CN115535485B - Leakage-proof storage device for chemical products - Google Patents

Leakage-proof storage device for chemical products Download PDF

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Publication number
CN115535485B
CN115535485B CN202211171007.0A CN202211171007A CN115535485B CN 115535485 B CN115535485 B CN 115535485B CN 202211171007 A CN202211171007 A CN 202211171007A CN 115535485 B CN115535485 B CN 115535485B
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China
Prior art keywords
air
valve
storage device
outer cylinder
fixedly arranged
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CN202211171007.0A
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CN115535485A (en
Inventor
贡廷锦
姚华明
倪曙晖
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Linyi Chunming Chemical Co ltd
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Linyi Chunming Chemical Co ltd
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Priority to CN202211171007.0A priority Critical patent/CN115535485B/en
Publication of CN115535485A publication Critical patent/CN115535485A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00Component parts, details or accessories for large containers
    • B65D90/54Gates or closures
    • B65D90/66Operating devices therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00Component parts, details or accessories for large containers
    • B65D90/22Safety features
    • B65D90/32Arrangements for preventing, or minimising the effect of, excessive or insufficient pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00Component parts, details or accessories for large containers
    • B65D90/48Arrangements of indicating or measuring devices
    • B65D90/50Arrangements of indicating or measuring devices of leakage-indicating devices
    • B65D90/513Arrangements of indicating or measuring devices of leakage-indicating devices comprising electrically conductive layers in walls
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

Abstract

The invention provides a leakage-proof storage device for chemical products, which relates to the technical field of chemical product storage and comprises an outer cylinder, wherein a connecting gas bin is integrally arranged on the rear side of the top of the outer cylinder; the rear side of the connecting gas bin is connected with a vacuum pump; a pressure gauge is fixedly arranged on one side connected with the gas bin; the gas ring is fixedly arranged at the bottom of the outer side of the outer cylinder body; two groups of hinged air frames are integrally arranged on two sides of the top of the air ring; the piston cylinder is arranged, a control function capable of automatically unfolding the sealing cover is provided, the front and rear groups of piston cylinders are utilized to respectively provide air suction and air suction, the telescopic states of the air telescopic rod A and the air telescopic rod B can be controlled through air suction and air suction, and further the position of the sealing cover is controlled and adjusted, so that the sealing cover can be quickly moved to a position which does not affect the taking and placing of raw materials, and the problem that an existing storage device lacks a control function capable of automatically unfolding the sealing cover is solved.

Description

Leakage-proof storage device for chemical products
Technical Field
The invention relates to the technical field of chemical product storage, in particular to a leakage-proof storage device for chemical products.
Background
Most chemical raw materials have strong toxicity and volatility, the pressure in the tank can change greatly in the feeding and discharging processes, and when the pressure reaches a certain value, the storage tank can be damaged to different degrees, so that the stored product needs to be subjected to pressure regulation, and the reduced pressure storage is realized.
The storage devices currently in use have the following disadvantages:
1. the existing storage device cover body needs to be detached from a manhole, lacks a control function of automatically unfolding the sealing cover, is inconvenient to quickly move the sealing cover to a position which does not influence the taking and placing of raw materials, and is inconvenient to apply;
2. the ball valve can limit the safety protection function that the sealing cover cannot be opened when the pressure is reduced;
3. there is a lack of functionality to automatically diagnose whether or not a leak is present.
Disclosure of Invention
In view of this, the present invention provides a leak-proof storage device for chemicals, which has a piston cylinder providing a gas control function capable of rapidly opening or closing a sealing cover.
The invention provides a leakage-proof storage device for chemical products, which comprises the following components: the top rear side of the outer cylinder body is integrally provided with a connecting gas bin; the rear side of the connecting gas bin is connected with a vacuum pump; a pressure gauge is fixedly arranged on one side connected with the gas bin; the gas ring is fixedly arranged at the bottom of the outer side of the outer cylinder body; two groups of hinged air frames are integrally arranged on two sides of the top of the air ring, and two groups of air telescopic rods A are rotatably arranged on the inner sides of the top of the two groups of hinged air frames in a matched manner with an airtight bearing; the two sides of the sealing cover are fixedly arranged in the middle of the tops of the two groups of gas telescopic rods A; the ventilation valve bin is fixedly arranged at the rear side of the top of the gas ring; the number of the piston barrels is two, and the piston barrels are fixedly arranged at the top of the ventilation valve bin and the top of the front side of the gas ring.
Optionally, the outer cylinder further comprises: the inner cylinder liner is fixedly arranged in the outer cylinder body, the top edge of the inner cylinder liner is attached to the inner wall of the outer cylinder body, spacer blocks are fixedly arranged below the outer side of the inner cylinder liner and between the bottom of the inner cylinder liner and the inner wall of the outer cylinder body, the top edge of the inner cylinder liner is of a circular groove structure, and a sealing ring which is matched with the circular groove structure is arranged at the bottom of the sealing cover; the vacuum is arranged between the inner cylinder liner and the inner wall of the outer cylinder body.
Optionally, the outer cylinder further comprises: and twenty-four groups of serial lines are fixedly arranged at the inner bottom side of the outer cylinder body, the serial lines are U-shaped, and resistors are connected in series at equal intervals in the middle of the serial lines.
Optionally, the gas ring includes: the swing rod is integrally arranged at the lower end of the rear side of the air telescopic rod A, and is inclined by 45 degrees towards the rear lower side; the air telescopic rod B is hinged between the bottom end of the swing rod and the hinged air frame, and the length of the air telescopic rod B is longer than that of the air telescopic rod A; an airtight bearing is arranged between the air telescopic rod B and the hinged air frame for rotary connection; the outer part of the telescopic end of the air telescopic rod B is fixedly provided with a reset sleeve which is in sliding connection with the outer part of the accommodating end of the air telescopic rod B; the outer part of the containing end of the air telescopic rod B is of a flange structure, and a spring is sleeved between the flange structure and the reset sleeve.
Optionally, the sealing cover comprises: the rear side of the sealing cover is integrally provided with the boss, the bottom of the boss is integrally provided with the cannula structure, and a round hole is formed in the middle of the bottom of the sealing cover and penetrates through the inner wall of the sealing cover to be communicated with the cannula structure at the bottom of the boss.
Optionally, the slot structure has been seted up at the top of connection gas storehouse, and the intubate structure of boss bottom can coincide with the slot structure of connection gas storehouse top and peg graft.
Optionally, the ventilation valve bin comprises: the movable valve is arranged in the ventilation valve bin in a sliding manner, two groups of spring rods are fixedly arranged at the rear end of the movable valve, and the rear ends of the spring rods penetrate out of the ventilation valve bin to be sleeved with springs and are fixedly provided with baffle plates; the middle of the movable valve is provided with a through groove; the connecting pipe is arranged on the front side of the top of the ventilation valve bin in a connecting way, and the top of the connecting pipe is communicated with the connecting gas bin.
Optionally, the piston cylinder includes: the piston tube is arranged in the middle of the top of the piston cylinder in a sliding manner, a rotary sleeve is rotatably arranged on the outer side of the top of the piston tube, the top of the rotary sleeve is connected with a one-way valve A, and the top of the one-way valve A is provided with a filter screen; the outer part of the rotating sleeve is hinged with a pressing rod, the outer part of the pressing rod is hinged with a connecting rod, the other end of the connecting rod is hinged with a rotating seat, and the rotating seat is rotatably arranged at the outer side of the top of the piston cylinder in cooperation with a bearing; the bottom of the piston cylinder is fixedly connected with a check valve B, the bottom of the check valve B in the rear piston cylinder is communicated with the top of the ventilation valve bin, and a ball valve is connected between the bottom of the check valve B in the front piston cylinder and the gas ring.
Optionally, when the bottom of the ventilation valve bin is communicated with the gas ring and the movable valve is positioned at the rearmost end of the inside of the ventilation valve bin, the one-way valve B is vertically aligned with the through groove.
Advantageous effects
1. Set up the piston tube, provided the control function that can expand sealed lid automatically, utilize two sets of piston tubes around can provide the function of bleeding and breathing in respectively, can control the flexible state of gas telescopic link A and gas telescopic link B through bleeding and breathing in, and then realize the control and the adjustment to sealed lid position to remove sealed lid to the position that does not influence the raw materials of getting and putting fast.
2. The movable valve is arranged, the safety protection function that the sealing cover can not be opened when the pressure is reduced is provided, the connecting pipe is simultaneously reduced when the pressure is reduced in the inner cylinder liner, the movable valve is further drawn forward, the movable valve is moved forward to separate the one-way valve B from the air ring, the sealing cover is prevented from being opened by directly utilizing the air transmission of the rear piston cylinder in the pressure reducing process, and the function of automatic safety is provided.
3. The series connection line and the resistor are arranged, the function of automatically diagnosing whether leakage occurs or not is provided, the network layout is provided for the series connection line and the resistor, different positions can be monitored, the resistor of the series connection line can be affected if chemicals are leaked, and the position of leakage can be accurately measured according to the change of the resistance value of the series connection line.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings described below are only for illustration of some embodiments of the invention and are not intended to limit the invention.
In the drawings:
fig. 1 shows a schematic perspective view of an embodiment according to the present invention;
FIG. 2 shows a schematic diagram of a pitch-back structure according to an embodiment of the invention;
FIG. 3 shows a schematic partial cross-sectional structure according to an embodiment of the invention;
FIG. 4 shows a schematic perspective cross-sectional structure according to an embodiment of the invention;
FIG. 5 shows a schematic side elevation cross-sectional view of an embodiment in accordance with the invention;
FIG. 6 is a schematic view showing the connection structure of the air telescopic rod A according to the embodiment of the present invention;
FIG. 7 shows a schematic drawing of an extension structure of a gas telescopic rod B according to an embodiment of the present invention;
fig. 8 shows an a partial enlarged structural schematic diagram according to an embodiment of the present invention.
List of reference numerals
1. An outer cylinder; 101. the connecting gas bin; 102. a vacuum pump; 103. an inner cylinder liner; 104. a spacer block; 105. a serial line; 106. a resistor; 2. a gas ring; 201. hinging the air frame; 202. an air telescopic rod A; 203. swing rod; 204. an air telescopic rod B; 205. resetting the sleeve; 3. sealing cover; 301. a boss; 4. a vent valve cartridge; 401. a movable valve; 402. a spring rod; 403. a through groove; 404. a connecting pipe; 5. a piston cylinder; 501. a piston tube; 502. a rotating sleeve; 503. a one-way valve A; 504. a compression bar; 505. a connecting rod; 506. rotating base; 507. and a one-way valve B.
Detailed Description
In order to make the objects, aspects and advantages of the technical solution of the present invention more clear, the technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present invention. Unless otherwise indicated, terms used herein have the meaning common in the art. Like reference numerals in the drawings denote like parts.
Examples: please refer to fig. 1 to 8:
the invention provides a leak-proof storage device for chemical products, which comprises: the outer cylinder body 1, the top rear side of the outer cylinder body 1 is integrally provided with a connecting gas bin 101; the rear side of the connecting gas bin 101 is connected with a vacuum pump 102; a pressure gauge is fixedly arranged on one side of the connecting gas bin 101; the gas ring 2 is fixedly arranged at the bottom of the outer side of the outer cylinder body 1; two groups of hinged air frames 201 are integrally arranged on two sides of the top of the air ring 2, and two groups of air telescopic rods A202 are rotatably arranged on the inner sides of the tops of the two groups of hinged air frames 201 in cooperation with airtight bearings; the sealing cover 3, both sides of the sealing cover 3 are fixedly arranged in the middle of the tops of the two groups of gas telescopic rods A202; the ventilation valve bin 4 is fixedly arranged at the rear side of the top of the gas ring 2; the number of the piston barrels 5 is two, and the piston barrels 5 are fixedly arranged at the top of the ventilation valve bin 4 and the top of the front side of the air ring 2.
Wherein, outer cylinder 1 still includes: an inner cylinder liner 103 is fixedly arranged in the outer cylinder body 1, the top edge of the inner cylinder liner 103 is attached to the inner wall of the outer cylinder body 1, a spacer 104 is fixedly arranged between the lower outer side of the inner cylinder liner 103 and the inner wall of the outer cylinder body 1 and between the bottom of the inner cylinder liner 103 and the inner wall of the outer cylinder body 1, the top edge of the inner cylinder liner 103 is of a circular groove structure, and the bottom of the sealing cover 3 is provided with a sealing ring which is matched with the circular groove structure; the vacuum is arranged between the inner cylinder 103 and the inner wall of the outer cylinder body 1.
Wherein, outer cylinder 1 still includes: twenty-four groups of series wires 105 are fixedly arranged on the inner bottom side of the outer cylinder body 1, the series wires 105 are U-shaped, and resistors 106 are connected in series at equal intervals in the middle of the series wires 105.
Wherein, gaseous ring 2 includes: the swing rod 203, the lower end of the rear side of the air telescopic rod A202 is integrally provided with the swing rod 203, and the swing rod 203 is inclined by 45 degrees towards the rear lower side; the air telescopic rod B204 is hinged between the bottom end of the swing rod 203 and the hinged air frame 201, and the length of the air telescopic rod B204 is greater than that of the air telescopic rod A202; an airtight bearing rotary connection is arranged between the air telescopic rod B204 and the hinged air frame 201; the resetting sleeve 205 is fixedly arranged outside the telescopic end of the air telescopic rod B204, and the resetting sleeve 205 is in sliding connection with the outside of the accommodating end of the air telescopic rod B204; the outer part of the containing end of the air telescopic rod B204 is of a flange structure, and a spring is sleeved between the flange structure and the reset sleeve 205.
Wherein, sealed lid 3 includes: the boss 301, the rear side of sealed lid 3 is provided with boss 301 in an organic whole, and the bottom integral type of boss 301 is provided with the intubate structure, and the round hole has been seted up in the middle of the bottom of sealed lid 3 and passed the inner wall of sealed lid 3 and the intubate structure intercommunication of boss 301 bottom.
Wherein, the top of the connecting air bin 101 is provided with a slot structure, and the insertion pipe structure at the bottom of the convex seat 301 can be anastomotic and spliced with the slot structure at the top of the connecting air bin 101; the convex seat 301 is in butt joint communication with the connecting air bin 101, then the vacuum pump 102 is started to pump air, the sealing cover 3 is used as a pipeline to pump air, the air is discharged, meanwhile, the pressure gauge is used for observing the pressure, the pressure reduction amplitude is conveniently controlled, and the raw materials are stored under reduced pressure.
Wherein, ventilation valve storehouse 4 is including: the movable valve 401 is arranged in the ventilation valve bin 4 in a sliding manner, two groups of spring rods 402 are fixedly arranged at the rear ends of the movable valve 401, and the rear ends of the spring rods 402 penetrate out of the ventilation valve bin 4 to be sleeved with springs and fixedly provided with baffle plates; a through groove 403, the middle of the movable valve 401 is provided with the through groove 403; the connecting pipe 404, the top front side connection of the ventilation valve bin 4 is provided with the connecting pipe 404, and connecting pipe 404 top and the connection gas bin 101 intercommunication.
The piston cylinder 5 includes: the piston tube 501 is arranged in the middle of the top of the piston cylinder 5 in a sliding manner, a rotary sleeve 502 is rotatably arranged on the outer side of the top of the piston tube 501, a one-way valve A503 is connected to the top of the rotary sleeve 502, and a filter screen is arranged on the top of the one-way valve A503; the outer part of the rotating sleeve 502 is hinged with a pressing rod 504, the outer part of the pressing rod 504 is hinged with a connecting rod 505, the other end of the connecting rod 505 is hinged with a rotating seat 506, and the rotating seat 506 is rotatably arranged on the outer side of the top of the piston cylinder 5 in cooperation with a bearing; the one-way valve B507 is fixedly connected with the one-way valve B507 at the inner bottom end of the piston cylinder 5, the bottom of the one-way valve B507 in the rear piston cylinder 5 is communicated with the top of the ventilation valve bin 4, and a ball valve is connected between the bottom of the one-way valve B507 in the front piston cylinder 5 and the gas ring 2.
Wherein, when the bottom of the ventilation valve bin 4 is communicated with the gas ring 2 and the movable valve 401 is positioned at the rearmost end of the inside of the ventilation valve bin 4, the one-way valve B507 is aligned with the through groove 403 in the vertical direction.
Specific use and action of the embodiment: in the invention, the passing directions of the check valve A503 and the check valve B507 in the two groups of piston cylinders 5 are opposite;
when the air sealing device is used, raw materials are filled in the inner liner 103, a ball valve at the bottom of the front side piston cylinder 5 is opened, then the front side compression rod 504 is pressed, the front side compression rod 504 is matched with the connected connecting rod 505 to drive the piston pipe 501 to move up and down, the front side piston cylinder 5 is variable in volume, when the front side piston cylinder 5 is contracted, air in the air ring 2 passes through the one-way valve B507 to enter the piston cylinder 5, then passes through the one-way valve A503 to be discharged, and the air telescopic rod A202 and the air telescopic rod B204 are communicated with the air ring 2 through the hinged air frame 201, so that when air in the air ring 2 is discharged, the air telescopic rod A202 and the air telescopic rod B204 are contracted, and the sealing cover 3 is sealed; a sealing block is arranged at the top of the rear one-way valve A503, so that the air telescopic rod A202 and the air telescopic rod B204 can be ensured to be closed, and air can be directly introduced through the rear piston cylinder 5 when the front piston cylinder 5 is used for pumping air;
at the moment, the convex seat 301 is in butt joint communication with the connecting air bin 101, then the vacuum pump 102 is started to pump air, the sealing cover 3 is used as a pipeline to pump air, the air is discharged, meanwhile, the pressure gauge is used for observing the pressure, the pressure reduction amplitude is conveniently controlled, and the raw materials are stored under reduced pressure;
when the pressure in the inner cylinder liner 103 is reduced, the connecting pipe 404 is reduced simultaneously, so that the movable valve 401 is drawn forwards, the movable valve 401 is moved forwards, the one-way valve B507 is separated from the gas ring 2, the condition that the sealing cover 3 is propped up by directly utilizing the gas transmission of the rear piston cylinder 5 in the pressure reduction process is avoided, and the function of automatic safety is provided;
the back side piston cylinder 5 is controlled to become volume, the ball valve at the bottom of the front side piston cylinder 5 is closed, the sealing plug at the top of the back side one-way valve A503 is removed, the back side piston cylinder 5 can be inflated, external air passes through the back side one-way valve A503 and then passes through the back side one-way valve B507 to enter the gas ring 2, and as a spring is arranged between the gas telescopic rod B204 and the reset sleeve 205, the gas telescopic rod A202 is firstly propped up, and then the gas telescopic rod B204 is propped up, so that the sealing cover 3 is moved to the front side, and the material taking is convenient;
the serial line 105 and the resistor 106 provide a net layout, so that different positions can be monitored, the resistance value of the serial line 105 can be influenced if the chemical is leaked, and the position of the leaked liquid can be accurately measured according to the change of the resistance value of the serial line 105.
The foregoing is merely exemplary embodiments of the present invention and is not intended to limit the scope of the invention, which is defined by the appended claims.

Claims (9)

1. The anti-leakage storage device for the chemical products is characterized by comprising an outer cylinder body (1), wherein a connecting gas bin (101) is integrally arranged at the rear side of the top of the outer cylinder body (1); the rear side of the connecting gas bin (101) is connected with a vacuum pump (102); a pressure gauge is fixedly arranged on one side of the connecting gas bin (101); the gas ring (2) is fixedly arranged at the bottom of the outer side of the outer cylinder body (1); two groups of hinged air frames (201) are integrally arranged on two sides of the top of the air ring (2), and two groups of air telescopic rods A (202) are rotatably arranged on the inner sides of the tops of the two groups of hinged air frames (201) in cooperation with airtight bearings; the two sides of the sealing cover (3) are fixedly arranged in the middle of the tops of the two groups of gas telescopic rods A (202); the ventilation valve bin (4) is fixedly arranged at the rear side of the top of the gas ring (2); the number of the piston cylinders (5) is two, and the piston cylinders (5) are fixedly arranged at the top of the ventilation valve bin (4) and the top of the front side of the gas ring (2).
2. A leak-proof storage device for chemical products according to claim 1, characterized in that said outer cylinder (1) further comprises:
the inner cylinder liner (103) is fixedly arranged in the outer cylinder body (1), the top edge of the inner cylinder liner (103) is attached to the inner wall of the outer cylinder body (1), a spacer block (104) is fixedly arranged below the outer side of the inner cylinder liner (103) and between the bottom and the inner wall of the outer cylinder body (1), the top edge of the inner cylinder liner (103) is arranged to be of a circular groove structure, and a sealing ring which is matched with the circular groove structure is arranged at the bottom of the sealing cover (3); the inner cylinder liner (103) and the inner wall of the outer cylinder body (1) are arranged in vacuum.
3. A leak-proof storage device for chemical products according to claim 1, characterized in that said outer cylinder (1) further comprises:
twenty-four groups of serial lines (105) are fixedly arranged at the bottom side of the inner part of the outer cylinder body (1), the serial lines (105) are U-shaped, and resistors (106) are connected in series at equal intervals in the middle of the serial lines (105).
4. A leak-proof storage device for chemical products according to claim 1, characterized in that said gas ring (2) comprises:
the swing rod (203) is integrally arranged at the lower end of the rear side of the air telescopic rod A (202), and the swing rod (203) is inclined by 45 degrees towards the rear lower side;
the air telescopic rod B (204) is hinged between the bottom end of the swing rod (203) and the hinged air frame (201), and the length of the air telescopic rod B (204) is greater than that of the air telescopic rod A (202); an airtight bearing rotary connection is arranged between the air telescopic rod B (204) and the hinged air frame (201);
the resetting sleeve (205) is fixedly arranged outside the telescopic end of the air telescopic rod B (204), and the resetting sleeve (205) is in sliding connection with the outside of the accommodating end of the air telescopic rod B (204); the outer part of the containing end of the air telescopic rod B (204) is of a flange structure, and a spring is sleeved between the flange structure and the reset sleeve (205).
5. A leak-proof storage device for chemical products according to claim 1, characterized in that said sealing cover (3) comprises:
the rear side of sealed lid (3) is provided with boss (301) in an organic whole, and the bottom integral type of boss (301) is provided with intubate structure, has seted up the round hole in the middle of the bottom of sealed lid (3) and passed the inner wall of sealed lid (3) and the intubate structure intercommunication of boss (301) bottom.
6. The leak-proof storage device for chemical products according to claim 1, wherein the top of the connecting air chamber (101) is provided with a slot structure, and the insertion tube structure at the bottom of the boss (301) can be anastomosed and inserted with the slot structure at the top of the connecting air chamber (101).
7. A leak-proof storage device for chemical products according to claim 1, characterized in that said ventilation valve cartridge (4) comprises:
the movable valve (401), the movable valve (401) is slidably arranged in the ventilation valve bin (4), two groups of spring rods (402) are fixedly arranged at the rear ends of the movable valve (401), and the rear ends of the spring rods (402) penetrate out of the ventilation valve bin (4) to be sleeved with springs and fixedly provided with baffle plates;
a through groove (403), the middle of the movable valve (401) is provided with the through groove (403);
the connecting pipe (404), the top front side connection of ventilation valve storehouse (4) is provided with connecting pipe (404), connecting pipe (404) top and connection gas storehouse (101) intercommunication.
8. A leak-proof storage device for chemicals as claimed in claim 1, characterized in that said piston cartridge (5) comprises:
the piston tube (501) is arranged in the middle of the top of the piston cylinder (5) in a sliding manner, a rotating sleeve (502) is rotatably arranged on the outer side of the top of the piston tube (501), a one-way valve A (503) is connected to the top of the rotating sleeve (502), and a filter screen is arranged at the top of the one-way valve A (503);
the rotary sleeve (502) is hinged with a pressing rod (504), the pressing rod (504) is hinged with a connecting rod (505) at the outer part, a rotary seat (506) is hinged with the other end of the connecting rod (505), and the rotary seat (506) is arranged at the outer side of the top of the piston cylinder (5) in a rotary manner by matching with a bearing;
the one-way valve B (507), the inside bottom fixedly connected with one-way valve B (507) of piston cylinder (5), the bottom of one-way valve B (507) communicates with top of the ventilation valve storehouse (4) in the back side piston cylinder (5), is connected with the ball valve between bottom and gaseous ring (2) of one-way valve B (507) in the front side piston cylinder (5).
9. A leak-proof storage device for chemical products according to claim 1, characterized in that the check valve B (507) is aligned with the vertical direction of the through groove (403) when the movable valve (401) communicating with the gas ring (2) at the bottom of the ventilation valve compartment (4) is positioned at the rearmost end of the inside of the ventilation valve compartment (4).
CN202211171007.0A 2022-09-24 2022-09-24 Leakage-proof storage device for chemical products Active CN115535485B (en)

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