CN219003109U - Sealing cover of sealing container for storing soil pollution samples - Google Patents

Abstract

The utility model discloses a sealing cover of a soil pollution sample storage sealing container, which comprises a sealing cover main body, a sealing plug, a pull ring, a piston body and a sealing airbag, wherein the sealing plug is fixed at the central position of the bottom end of the sealing cover main body, an annular bulge is arranged on the outer wall of the top of the sealing plug, an annular groove is arranged on the outer wall of the sealing plug below the annular bulge, the sealing airbag is adhered to the inside of the annular groove, the pull ring is fixed at the central position of the top end of the sealing cover main body, a sealing cavity is arranged at the central position of the inside of the sealing plug, the piston body is arranged inside the sealing cavity, a through hole is arranged inside the sealing cover main body above the sealing cavity, and a piston rod is arranged inside the through hole. The utility model not only adopts a double sealing structure, improves the sealing effect and the labor saving and convenience of opening the sealing cover, but also prevents the sealing cover from being corroded and damaged and prolongs the service life.

Description

Sealing cover of sealing container for storing soil pollution samples

Technical Field

The utility model relates to the technical field of soil sample storage, in particular to a sealing cover of a soil pollution sample storage sealing container.

Background

For a long time, the economic development mode of some areas in China is rough, the total pollutant emission amount is high, soil is taken as a final receptor of pollutants, the pollution control is obviously affected, and the soil pollution control is very important, because the pollution control is very important, in a soil pollution control system, the collection of soil pollution samples is very important, the soil pollution degree can be directly reflected by analyzing the samples, the pollutants and other information can be directly reflected, the soil pollution samples are generally stored in a sealing container, and the sealing cover plays a key role in preventing the samples from being polluted.

1. The common sealing cover is sealed by adopting a single sealing plug or sealing ring, and the sealing performance is reduced after long-time use, so that the sealing effect is poor, and air or other impurities are easy to enter into the sealing cover to cause sample pollution; 2. when the sealing cover is opened, the sealing cover is pulled by force to be pulled out of the bottle mouth of the container, so that the sealing cover is laborious; 3. the sealing plug of the sealing cover is positioned in the container for a long time and contacts with the sample, and is easy to be damaged due to corrosion of acid-base components in the sample, so that the service life is shortened, and therefore, improvement is needed.

Disclosure of Invention

The utility model aims to provide a sealing cover of a soil pollution sample storage sealing container, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sealed lid of sealed container is deposited to soil pollution sample, includes sealed lid main part, sealing plug, pull ring, piston body and sealed gasbag, the central point department in sealed lid main part bottom is fixed to the sealing plug, be provided with annular bulge on the outer wall at sealing plug top, be provided with annular groove on the sealing plug outer wall of annular bulge below, sealed gasbag glues the inside of gluing at annular groove, the central point department on sealed lid main part top is fixed to the pull ring, the inside central point department of sealing plug is provided with sealed chamber, the piston body sets up the inside at sealed chamber, the outer wall of piston body closely laminates with the inner wall in sealed chamber, sealed lid main part inside of sealed chamber top is provided with the through-hole, through-hole and sealed chamber intercommunication, the inside of through-hole is provided with the piston rod, just the bottom of piston rod extends to the inside of sealed chamber and with piston body fixed connection, the top of piston rod extends to the top of sealed lid main part, the inside gas transmission passageway that is provided with of sealing plug of sealed chamber below, the top and sealed chamber intercommunication, gas transmission passageway's bottom and sealed gasbag.

Preferably, a positioning ring is arranged below the sealing cover main body, and threaded holes are formed in two sides of the inner part of the positioning ring, so that the threaded rod can be conveniently positioned.

Preferably, the bottom of sealing plug is provided with the protection piece, and the protection piece closely glues with the sealing plug and glues, is convenient for separate sealing plug and soil sample, prevents that acid and alkali pollutant in the soil sample from corroding the sealing plug.

Preferably, the inner wall of the through hole is adhered with a sealing rubber ring, and the inner wall of the sealing rubber ring is tightly attached to the outer wall of the piston rod, so that the tightness of the through hole is improved.

Preferably, the lower surface of the protective sheet is uniformly coated with a polytetrafluoroethylene coating, and the polytetrafluoroethylene coating has excellent chemical stability, corrosion resistance, high lubrication non-tackiness and good ageing resistance, so that the protective effect is further enhanced.

Preferably, the threaded rod is worn to be equipped with in the inside of screw hole, threaded rod and screw hole threaded connection, the top of threaded rod rotates with the bottom of sealed lid main part to be connected, has improved laborsaving nature and the convenience when sealed lid is opened.

Compared with the prior art, the utility model has the beneficial effects that: the sealing cover of the soil pollution sample storage sealing container not only adopts a double sealing structure, improves the sealing effect, improves the labor saving property and the convenience of opening the sealing cover, but also prevents the sealing cover from being corroded and damaged, and prolongs the service life;

(1) The sealing air bag, the sealing cavity, the piston body, the piston rod and the annular bulge are arranged, the piston rod is pressed to drive the piston body to move downwards in the sealing cavity, the piston body is pressed downwards to enable air in the sealing cavity to enter the sealing air bag through the air conveying channel, the sealing air bag is tightly attached to the inner wall of the bottle opening after being inflated, the sealing performance of the sealing plug is enhanced, meanwhile, the annular bulge is tightly clamped with the sealing groove in the bottle opening, the double sealing effect is achieved, and therefore the sealing effect is improved, and soil samples are effectively prevented from being polluted;

(2) The sealing cover is taken out by pulling the pull ring, and compared with the sealing cover which is directly pulled out, the mode is more labor-saving, so that the labor-saving and convenience of opening the sealing cover are improved;

(3) Through being provided with protective sheet, polytetrafluoroethylene coating, the protective sheet separates sealing plug and soil sample, prevents acid and alkali pollutant in the soil sample and corrodes the sealing plug, and polytetrafluoroethylene coating has good chemical stability, corrosion resistance, high lubrication non-viscosity and good ageing resistance, has further strengthened the protection effect to prevent sealed lid by corrosion damage, prolonged life.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

fig. 3 is a schematic view of the appearance and structure of a sealing plug according to the utility model;

fig. 4 is a schematic view of a three-dimensional enlarged structure of a protective sheet according to the present utility model.

In the figure: 1. a seal cover main body; 2. a sealing plug; 3. a pull ring; 4. a through hole; 5. sealing rubber rings; 6. a piston rod; 7. a piston body; 8. sealing the cavity; 9. a gas transmission channel; 10. an annular groove; 11. sealing the air bag; 12. a protective sheet; 13. an annular protrusion; 14. a positioning ring; 15. a threaded hole; 16. a threaded rod; 17. and (3) a polytetrafluoroethylene coating.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the sealing cover of the soil pollution sample storage sealing container comprises a sealing cover main body 1, a sealing plug 2, a pull ring 3, a piston body 7 and a sealing air bag 11, wherein the sealing plug 2 is fixed at the central position of the bottom end of the sealing cover main body 1;

an annular bulge 13 is arranged on the outer wall of the top of the sealing plug 2;

an annular groove 10 is arranged on the outer wall of the sealing plug 2 below the annular bulge 13;

the sealing air bag 11 is adhered to the inner part of the annular groove 10;

the pull ring 3 is fixed at the center of the top end of the sealing cover main body 1;

a sealing cavity 8 is arranged at the central position inside the sealing plug 2;

the piston body 7 is arranged in the sealing cavity 8, and the outer wall of the piston body 7 is tightly attached to the inner wall of the sealing cavity 8;

a through hole 4 is formed in the sealing cover main body 1 above the sealing cavity 8, and the through hole 4 is communicated with the sealing cavity 8;

a piston rod 6 is arranged in the through hole 4, the bottom end of the piston rod 6 extends into the sealing cavity 8 and is fixedly connected with the piston body 7, and the top end of the piston rod 6 extends to the upper part of the sealing cover main body 1;

the inner wall of the through hole 4 is adhered with a sealing rubber ring 5, and the inner wall of the sealing rubber ring 5 is tightly attached to the outer wall of the piston rod 6, so that the tightness of the through hole 4 is improved;

an air transmission channel 9 is arranged in the sealing plug 2 below the sealing cavity 8, the top end of the air transmission channel 9 is communicated with the sealing cavity 8, and the bottom end of the air transmission channel 9 is communicated with a sealing air bag 11;

a positioning ring 14 is arranged below the sealing cover main body 1, and threaded holes 15 are formed in two sides of the inside of the positioning ring 14, so that the threaded rod 16 can be positioned conveniently;

the threaded rod 16 is arranged in the threaded hole 15 in a penetrating way, the threaded rod 16 is in threaded connection with the threaded hole 15, the top end of the threaded rod 16 is in rotary connection with the bottom end of the sealing cover main body 1, and labor saving and convenience in opening the sealing cover are improved;

the bottom end of the sealing plug 2 is provided with the protection sheet 12, and the protection sheet 12 is tightly adhered to the sealing plug 2, so that the sealing plug 2 is conveniently separated from a soil sample, and acid-base pollutants in the soil sample are prevented from corroding the sealing plug 2;

the lower surface of the protective sheet 12 is uniformly coated with a polytetrafluoroethylene coating 17, and the polytetrafluoroethylene coating 17 has excellent chemical stability, corrosion resistance, high lubricating non-tackiness and good aging resistance, so that the protective effect is further enhanced.

When the embodiment of the application is used, the following steps are adopted: firstly, press sealed lid main part 1 makes the sealing plug 2 of its bottom fill in sealed container's bottleneck, secondly, press piston rod 6 makes its drive piston body 7 move down in sealed chamber 8's inside, piston body 7 pushes down and makes the inside air of sealed chamber 8 enter into sealed gasbag 11 through gas-supply passageway 9, sealed gasbag 11 is inflated the back, closely laminate with the inner wall of bottleneck, the leakproofness of sealed plug 2 has been strengthened, simultaneously, annular bulge 13 and the inseparable block of the sealed recess in the bottleneck, the effect of double seal has been played, thereby the sealed effect has been improved, the effectual soil sample that prevents is polluted, then, because the bottom at sealed plug 2 is fixed to the guard plate 12, guard plate 12 separates sealed plug 2 and soil sample, acid-base pollutant in the soil sample erosion sealed plug 2 is prevented, polytetrafluoroethylene coating 17 has good chemical stability, corrosion resistance, high lubrication non-tackiness and good ageing resistance, further strengthened the protective effect, thereby prevent sealed lid by corrosion damage, and prolonged the life, and, when the threaded rod needs to open, rotatory 16 makes its sealed lid 14 in the sealed lid of screw hole 15 inside rotate and move up, 16 is with sealed lid 1, the sealed lid 1 is moved out to the sealed lid 2 in the sealed lid of the inside of screw hole 15, thereby the sealed lid is pulled out to the soil sample is more convenient and is more laborsaving, the sealed lid 3 is moved out, the sealed lid is moved out to the sealed lid is more convenient and is moved out, the sealed lid is more easily and is more convenient to be closed, the sealed to be closed, can be moved to the sealed lid is closed.

Claims (6)

1. The utility model provides a sealed lid of sealed container is deposited to soil pollution sample, its characterized in that includes sealed lid main part (1), sealing plug (2), pull ring (3), piston body (7) and sealed gasbag (11), sealing plug (2) are fixed in the central point department of sealed lid main part (1) bottom, be provided with annular bulge (13) on the outer wall at sealing plug (2) top, be provided with annular groove (10) on sealing plug (2) outer wall of annular bulge (13) below, sealed gasbag (11) glues the inside at annular groove (10), the central point department at sealed lid main part (1) top is fixed in pull ring (3), the inside central point department of sealing plug (2) is provided with sealed chamber (8), piston body (7) set up in the inside of sealed chamber (8), the outer wall of piston body (7) is closely laminated with the inner wall of sealed chamber (8), sealed lid main part (1) inside of sealed chamber (8) top is provided with through-hole (4), through-hole (4) and sealed chamber (8) intercommunication, the inside of through-hole (4) is provided with 6), and sealed chamber (6) inside extension and piston body (8) are fixed to piston body (7) inside, the top of piston rod (6) extends to the top of sealed lid main part (1), sealing plug (2) inside in sealed chamber (8) below is provided with gas-supply passageway (9), and the top and the sealed chamber (8) of gas-supply passageway (9) communicate, and the bottom and the sealed gasbag (11) of gas-supply passageway (9) communicate.

2. A seal cap for a soil contaminated sample storage sealed container according to claim 1, wherein: a positioning ring (14) is arranged below the sealing cover main body (1), and threaded holes (15) are formed in two sides of the inside of the positioning ring (14).

3. A seal cap for a soil contaminated sample storage sealed container according to claim 1, wherein: the bottom of sealing plug (2) is provided with protection piece (12), and protection piece (12) closely glues with sealing plug (2).

4. A seal cap for a soil contaminated sample storage sealed container according to claim 1, wherein: and a sealing rubber ring (5) is adhered to the inner wall of the through hole (4), and the inner wall of the sealing rubber ring (5) is tightly attached to the outer wall of the piston rod (6).

5. A seal cap for a soil contaminated sample storage sealed container according to claim 3, wherein: the lower surface of the protective sheet (12) is uniformly coated with a polytetrafluoroethylene coating (17).

6. A seal cap for a soil contaminated sample storage sealed container according to claim 2, wherein: threaded rods (16) are arranged in the threaded holes (15) in a penetrating mode, the threaded rods (16) are in threaded connection with the threaded holes (15), and the top ends of the threaded rods (16) are connected with the bottom end of the sealing cover main body (1) in a rotating mode.

Images