CN210972194U - Container for storing volatile liquid - Google Patents

Abstract

The utility model discloses a container for storing volatile liquid, including vessel, container opening and sealed lid, sealed lid includes the upper cover portion and inlays the portion of inserting, the surface that inlays the portion of inserting have with the helicitic texture of container opening inner wall screw thread gomphosis, its characterized in that: the upper cover part is provided with a first opening communicated with the outside atmosphere, the sealing cover is internally provided with a liquid blocking part, the liquid blocking part covers the first opening, the liquid blocking part is provided with a second opening for communicating the space in the container with the first opening, and a vertical height difference exists between the first opening and the second opening. The utility model aims to reach provides a can guarantee that container internal environment communicates with each other with external atmospheric pressure and can prevent the container in the liquid leakage be used for storing volatile liquid's container.

Description

Container for storing volatile liquid

Technical Field

The utility model relates to a container, especially a container for storing volatile liquid.

Background

Volatile liquid such as pesticide, chemicals, additive can experience the change such as atmospheric pressure and temperature in the storage transportation, leads to liquid to volatilize gas, makes the pressure in the container rise sharply, and the atmospheric pressure inside and outside the container is unbalanced, if gas can not in time discharge outside the container, can cause the container inflation deformation, can incline or burst when serious and cause the product to leak, both cause the loss of product, constitute the threat to safety again, seriously influenced volatile liquid's storage transportation.

In utility model patent document No. CN209009218U, a lid and a liquid container are disclosed, the lid is provided with an opening in the central region, the lid is welded with a waterproof and breathable film on the inner side, the waterproof and breathable film covers on the opening, can release the steam and gas in the barrel, and prevent fluid leakage and contaminant from entering at the same time.

In the invention patent document of publication No. CN100343137C, a vent device of a drum is disclosed, the vent plug comprises a vent device, the vent device comprises a vent part with a plurality of vent channels, a film and a protective structure, and the vent device can play a role of ventilation and leakage prevention during liquid transportation and storage.

At present, a liquid storage container for storing volatile liquid is mostly replaced by a breathable cover with breathable holes, breathable films are arranged on the breathable holes, the mounting modes of the breathable films are divided into two types, and one type of breathable films and the breathable films are fixed on the breathable cover through a protective carrier. And secondly, the air permeable film is directly covered on the air holes. However, the presently disclosed solution still has some problems, for example, the liquid in the container can directly contact with the membrane, and the membrane is degraded in waterproof and air-permeable performance due to long-term contact, and the membrane is damaged or broken due to the impact of the liquid in the container during transportation, resulting in liquid leakage and other undesirable phenomena.

SUMMERY OF THE UTILITY MODEL

The utility model aims to reach the purpose of providing a can guarantee that container internal environment communicates with each other with external atmospheric pressure and can prevent the container in liquid leakage be used for storing volatile liquid's container.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a container for storing volatile liquid, includes container body, container opening and sealed lid, sealed lid includes the upper cover portion and inlays the portion of inserting, the surface that inlays the portion of inserting have with the helicitic texture of container opening inner wall screw gomphosis, its characterized in that: the upper cover part is provided with a first opening communicated with the outside atmosphere, the sealing cover is internally provided with a liquid blocking part, the liquid blocking part covers the first opening, the liquid blocking part is provided with a second opening for communicating the space in the container with the first opening, and a vertical height difference exists between the first opening and the second opening.

The utility model discloses in, sealed lid includes upper cover portion and inlays the portion of inserting, and the surface of the portion of inserting of inlaying has the external screw thread, and the container opening has the internal thread, inlays the external screw thread of the portion of inserting and the interior thread sealing's of container opening meshing, has guaranteed that the liquid in the container can not take place to leak. Meanwhile, the sealing cover is provided with a first opening communicated with the outside atmosphere, so that the gas in the container can be released. Furthermore, be provided with in the sealed lid and keep off liquid portion, keep off liquid portion cage and cover first trompil, and keep off liquid portion and be equipped with the second trompil with space in the container and first trompil intercommunication, so design has guaranteed that the container is ventilative, can prevent again that the liquid in the container from contacting first trompil under the condition of rocking, causing phenomenons such as weeping. Furthermore, the vertical height difference exists between the first opening and the second opening, so that even if liquid in the container shakes to pass through the second opening, the liquid cannot contact the first opening, and the sealing performance of the container is fully guaranteed.

Furthermore, a first waterproof breathable film is fixed on the inner surface of the upper cover part and covers the first opening.

A first waterproof breathable film is fixed on the inner surface of the upper cover part and covers the first opening. By the design, even if liquid shaken in the container contacts the first opening, the leakage phenomenon can not occur, so that the air permeability is ensured, and the sealing property of the container is increased.

Furthermore, the liquid blocking portion is provided with an annular side wall and a bottom wall, the bottom wall of the liquid blocking portion is provided with a second opening, and a slow flow cavity is formed between the liquid blocking portion and the inner surface of the upper cover portion.

The liquid blocking portion has an annular side wall and a bottom wall. So design, when the liquid in the container is rocking the striking of liquid has been born by liquid-blocking portion, and then the influence that first trompil does not receive liquid in the container is protected. Furthermore, a second opening is formed in the bottom wall of the liquid blocking portion, and a slow flow cavity is formed between the liquid blocking portion and the inner surface of the upper cover portion. So design, when the liquid in the container entered into the slow flow intracavity that keeps off liquid portion and the internal surface of last cap formed from the second trompil, liquid can rely on self gravity along slow flow chamber from being located the second trompil of keeping off liquid portion diapire in dropping into the container, avoid first trompil and liquid to have the contact, and then protected the leakproofness of container.

Furthermore, at least one third opening is formed in the annular side wall, the bottom wall of the liquid blocking portion is gradually tapered towards the inner direction of the container, and the second opening is located at the lowest position of the bottom wall.

At least one third opening is formed in the annular side wall, the bottom wall of the liquid blocking portion is gradually closed to the inner direction of the container to form a cone shape, and the second opening is located at the lowest position of the bottom wall. So design, can be when guaranteeing the ventilative rate of container, let again rely on self gravity to collect the diapire that keeps off liquid portion rapidly from the liquid that second trompil and third open pore got into fender liquid portion, and then fall back to the container in from the second trompil that is located the lowest of fender liquid portion diapire, avoid liquid to be detained in the slow flow intracavity that the internal surface of keeping off liquid portion and upper cover face formed, influence the performance of first waterproof ventilated membrane.

Further, the internal surface of upper cover portion is equipped with annular installation department, annular installation department encircles first trompil forms, it has outside turn-ups to keep off liquid portion, the tip at annular installation department is fixed to the turn-ups that keeps off liquid portion, the tip of annular installation department is outer to be equipped with fixed pressure along holding the turn down rims annular step face of keeping off liquid portion. So design, let fender liquid portion have the fixed station at the internal surface of sealed lid, increased the fixed strength of fender liquid portion, avoided under the normal use condition keeping off droing of liquid portion.

In another embodiment, the liquid blocking part is provided with a top wall, the upper cover part is provided with a mounting through hole, the outer edge of the top wall and the inner edge of the mounting through hole are welded and fixed, and the top wall of the liquid blocking part forms a part of the upper surface of the upper cover part; or the liquid blocking part is directly welded and fixed on the inner surface of the upper cover part. By the design, the operation steps of the fixed liquid blocking part are simple and convenient, and the efficiency of the production line can be greatly improved.

Further, the inner surface of the upper cover part is provided with an annular bulge, the annular bulge surrounds the first hole, and the liquid blocking part is welded and fixed at the end part of the annular bulge.

There is round annular protrusion around first trompil, so the design, when liquid in the container acutely rocked, the existence of annular protrusion has avoided first waterproof ventilated membrane direct and liquid contact, and then can prevent that the liquid in the container from leaking to the external world. Furthermore, the end part of the annular bulge is fixed with a liquid blocking part, so that the influence of liquid on the first waterproof breathable film is avoided, and the sealing property of the container is enhanced.

Further, it is protruding that the internal surface of upper cover portion is equipped with the annular, the annular is protruding to be encircleed first trompil forms, the bellied tip of annular is the echelonment, with the internal surface of upper cover portion is the initiating terminal, towards the inside direction of vessel is the positive direction axle, the tip of annular lateral wall is followed the initiating terminal is followed the direction of positive direction axle is first step face and second step face in proper order, just the external diameter of second step face is greater than the external diameter of first step face, first step face is fixed with the waterproof ventilated membrane of second, it is in to keep off liquid portion welded fastening on the second step face.

The end part of the annular bulge is in a step shape, a second waterproof breathable film is fixed on the first step surface, and a liquid blocking part is fixed on the second step surface. So design, when the liquid in the container is when passing the second trompil, the existence of the waterproof ventilated membrane of second has blockked the continuation of liquid and has risen, when guaranteeing the gas permeability, has protected first waterproof ventilated membrane again and has not influenced by liquid, has strengthened the sealing performance of container.

Furthermore, the liquid blocking part is flat, a second opening is formed in the flat plate, and the area of the second opening is not smaller than that of the first opening.

The liquid blocking part is flat, and the second opening is formed in the flat plate. So design, liquid in the container is rocking under the condition, and the roof of fender liquid portion can block liquid, has avoided the contact of first trompil with liquid. And the area of the second opening is not smaller than that of the first opening, so that the existence of the liquid blocking part can be ensured not to block the gas release in the container, and the gas pressure release rate in the container meets the requirement.

Further, a backflow channel facing the container is arranged at the second opening hole.

The second opening is provided with a return channel facing the container. So design, because return channel's existence after the liquid in the container passes the second trompil has guaranteed that liquid still can not contact first trompil, has guaranteed the sealing performance of sealed lid.

Further, the first opening is at least one circular hole formed in a central region of the upper cover part, and the total area of the first opening is 0.03mm²～4mm²To (c) to (d); or the first opening is a circular hole arranged in the center of the upper cover part, and the diameter of the first opening is between 0.2mm and 2 mm.

The first opening is at least one circular hole arranged in the central region of the upper cover part, and the total area of the first opening is 0.03mm²～4mm²In the meantime. By the design, the ventilation quantity of the container can be ensured, and the phenomena that the container bursts and the like due to overlarge internal air pressure are avoided. The first opening is a circular hole arranged in the center of the upper cover part, and the diameter of the first opening is 0.2-2 mm. So design, can in time be released in order to guarantee the gas in the container, can avoid external granular impurity to block up first trompil again, cut first waterproof ventilated membrane even, produce adverse effect to the liquid in the container, take place to leak the phenomenon.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

fig. 1 is a schematic view of a container of the present invention;

FIG. 2 is a top view of a sealing cap according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a sealing cap according to an embodiment of the present invention;

FIG. 4 is a partially enlarged schematic view of a sealing cover according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a sealing cap according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view of a sealing cap according to an embodiment of the present invention;

FIG. 7 is a cross-sectional view of a four-seal cap in accordance with an embodiment of the present invention;

FIG. 8 is a cross-sectional view of a four-seal cap in accordance with an embodiment of the present invention;

fig. 9 is a cross-sectional view of a four-seal cover according to an embodiment of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

The first embodiment is as follows:

fig. 1, 2 and 3 show a container and a sealing cap according to the present invention. Fig. 1 is a schematic view of a container 1 generally comprising a cylindrical wall portion 2, a top structure 4 and a bottom structure 3. The top structure 4 comprises a container through opening 5 and a container through opening 6, the container through opening 5 being a water outlet and being well sealed during storage and transport, the container through opening 6 being closed by a sealing cap 7. The container spout 6 has an internal thread and the sealing cap 7 has an external thread, which are sealingly engaged by means of a thread. It should be appreciated, however, that any alternative means known to those skilled in the art may be used to secure the sealing cap 7 and container spout 6 together.

Fig. 2 shows a top view of the sealing cap 7. A first opening 9 is formed in the center of the sealing cover 7, and the diameter of the first opening 9 is 0.2mm to 2mm, preferably 0.6mm to 1 mm. So design, can in time be released in order to guarantee the gas in the container, can avoid external granular impurity to block up first trompil again, cut first waterproof ventilated membrane even, produce adverse effect to the liquid in the container, take place to leak the phenomenon.

Fig. 3 is a sectional view of the sealing cover 7, and fig. 4 is a partially enlarged view of fig. 3. The sealing cap 7 includes an upper cap portion 8 and an insertion portion 23, and an outer surface of the insertion portion 23 has an external thread that engages with the internal thread of the container through opening 6. Specifically, a first waterproof breathable film 13 is fixed on the inner surface of the upper cover portion 8, and the first waterproof breathable film 13 covers the first opening 9. The inner surface of the upper cover part 8 is provided with an annular mounting part 10 formed around the first opening 9, the end surface of the annular mounting part 10 is fixed with a liquid blocking part 15, and the inner edge of the end surface of the annular mounting part 10 is provided with an annular step surface 12 pressing an outward flange 27 of the liquid blocking part 15. Further, the liquid blocking part 15 is provided with an annular side wall 24 and a conical bottom wall 25, the lowest part of the conical bottom wall 26 is provided with a second opening 16, a vertical height difference exists between the second opening 16 and the first opening 9, and a slow flow cavity is formed between the second opening and the inner surface of the upper cover part. By the design, the liquid passing through the second opening hole 16 can fall back into the container along the slow flow cavity by means of the gravity of the liquid, so that the liquid in the container still cannot contact with the first opening hole 9, the sealing performance of the container is ensured, and the area of the second opening hole 16 is not smaller than that of the first opening hole 9. It should be understood, however, that the liquid barrier 15 may be replaced by other shapes known to those skilled in the art, such as, for example, a cross-sectional view of the seal cap as shown in FIG. 5, where the liquid barrier 15 has a cylindrical configuration with an annular sidewall 29 and a bottom wall 30, and the second opening 16 is disposed in the bottom wall 30 of the liquid barrier; alternatively, as shown in the cross-sectional view of the sealing cover in fig. 6, the liquid blocking part 15 has an annular sidewall 31, the annular sidewall 31 gradually tapers toward the inside of the container, and the second opening 16 is formed at the lowest position of the sidewall 31. Of course, as shown in the cross-sectional view of the seal of FIG. 7, one of ordinary skill in the art will appreciate that more than one third opening 26 may be provided in the sidewall 24 of the liquid barrier. The total area of the second opening 16 and the third opening 26 is not smaller than the area of the first opening 9. By adopting the design, the liquid blocking part 15 can not block the gas release in the container, so that the gas pressure release rate in the container meets the requirement.

Example two:

compared with the first embodiment, the present embodiment is different in that the liquid blocking portion 15 is directly welded and fixed to the inner surface of the upper lid portion 8; alternatively, the upper lid portion 8 has a mounting through hole, and the liquid blocking portion 15 has a top wall whose outer edge is welded and fixed to the mounting through hole, i.e., the top wall of the liquid blocking portion 15 constitutes a part of the upper lid portion 8 of the sealing cover 7. By the design, the liquid blocking part 15 can be directly welded and fixed, and the installation steps are simple and convenient.

Example three:

compared with the first embodiment, the difference of the present embodiment is that the first opening 9 is a plurality of circular holes formed in the central region of the upper cover part, and the total area of the first opening 9 is 0.03mm²～4mm²In the meantime. At this time, the first waterproof breathable film 13 may be a waterproof breathable film covering the plurality of first openings 9, or a plurality of waterproof breathable films with the same number as the first openings 9 respectively cover the plurality of first openings 9. By the design, the air permeability is ensured, and the adverse effect of overhigh air pressure in the container on the container is avoided, even the leakage phenomenon is caused.

Example four:

a sealing cover as shown in fig. 8 is different from the first embodiment in that an annular projection 33 surrounding a first opening 9 has a first step surface 11 and a second step surface 34, the second waterproof and breathable film 14 is fixed to the first step surface 11, and a liquid blocking portion 15 is fixed to the second step surface 34. By the design, the air permeability is ensured, and meanwhile, the first waterproof breathable film is protected from being influenced by liquid, so that the sealing performance of the container is enhanced. Specifically, the liquid blocking portion 15 includes a top plate 20 and a side wall 36, the second opening 16 is formed on the top plate 20, the side wall 36 is tapered toward the inside of the container, and a fourth opening 35 is formed at the lowest portion of the taper, so that the second opening 16 has a passage toward the container. It should be appreciated that the shape of the side wall of the liquid barrier 15 may be replaced by other shapes known to those skilled in the art, for example, as shown in the cross-sectional view of the sealing cover in fig. 9, the liquid barrier 15 includes a top plate 20 and a side wall 21, the second opening 16 is provided on the top plate 20, the side wall 21 is a hollow cylinder provided at the second opening 16, and a fourth opening 35 is provided at the end of the side wall 21.

The preferred embodiments of the present invention have been described in detail, but it should be understood that various changes and modifications can be made by those skilled in the art after reading the above teaching of the present invention. Such equivalents are intended to fall within the scope of the claims appended hereto.

Claims (10)

1. The utility model provides a container for storing volatile liquid, includes container body, container opening and sealed lid, sealed lid includes the upper cover portion and inlays the portion of inserting, the surface that inlays the portion of inserting have with the helicitic texture of container opening inner wall screw gomphosis, its characterized in that: the upper cover part is provided with a first opening communicated with the outside atmosphere, the sealing cover is internally provided with a liquid blocking part, the liquid blocking part covers the first opening, the liquid blocking part is provided with a second opening for communicating the space in the container with the first opening, and a vertical height difference exists between the first opening and the second opening.

2. The container of claim 1, wherein a first waterproof breathable membrane is secured to an inner surface of the upper cover portion, the first waterproof breathable membrane covering the first opening.

3. The container according to claim 2, wherein the liquid blocking portion has an annular side wall and a bottom wall, the bottom wall of the liquid blocking portion is provided with a second opening, and the liquid blocking portion and the inner surface of the upper cover portion form a slow flow cavity.

4. The container according to claim 3, wherein the annular side wall is provided with at least one third opening, the bottom wall of the liquid blocking portion gradually tapers toward the inside of the container, and the second opening is located at the lowest position of the bottom wall.

5. The container according to claim 3 or 4, wherein the inner surface of the upper cover part is provided with an annular mounting part, the annular side wall of the liquid blocking part is positioned in the annular mounting part, the annular mounting part is formed by surrounding the first opening, the annular side wall of the liquid blocking part is provided with an outward flange, and the inner edge of the end part of the annular mounting part is provided with a pressing edge for pressing the flange; or the liquid blocking part is provided with a top wall, the upper cover part is provided with a mounting through hole, the outer edge of the top wall and the inner edge of the mounting through hole are welded and fixed, and the top wall of the liquid blocking part forms a part of the upper surface of the upper cover part; or the end part of the annular side wall of the liquid stopping part is welded and fixed on the inner surface of the upper cover part.

6. The container according to claim 2, wherein the inner surface of the upper cover portion is provided with an annular projection formed around the first opening, and the liquid blocking portion is welded and fixed to an end portion of the annular projection.

7. The container according to claim 6, wherein an end of the annular protrusion is stepped, an inner surface of the upper lid portion serves as a starting end, and a direction toward the inside of the container body serves as a positive direction axis, an end of the annular side wall sequentially includes a first step surface and a second step surface from the starting end in the direction of the positive direction axis, an outer diameter of the second step surface is larger than an outer diameter of the first step surface, a second waterproof and breathable film is fixed to the first step surface, and the liquid blocking portion is welded and fixed to the second step surface.

8. The container according to claim 6, wherein the liquid blocking portion has a flat plate shape, the second opening is provided in the flat plate, and an area of the second opening is not smaller than an area of the first opening.

9. The container of claim 8, wherein the second opening defines a return channel toward the container.

10. The container according to claim 1, wherein the first opening is at least one circular hole provided at a central region of the upper cover part, and the total area of the first openings is 0.03mm²～4mm²To (c) to (d); or the first opening is a circular hole positioned in the center of the upper cover part, and the diameter of the first opening is between 0.2mm and 2 mm.

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