CN219549649U - Valve assembly and storage container - Google Patents

Abstract

The utility model provides a valve assembly, which comprises a valve seat, a movable part and a fixed part, wherein a stem is arranged in the middle of the fixed part, the fixed part is matched with the valve seat and forms a cavity for placing the movable part in the valve seat, the movable part is movably sleeved on the stem and is in sealing fit with the stem, an elastic reset element is arranged between the movable part and the fixed part, an air passage communicated with the outside of the cavity is arranged in the stem, an air inlet and outlet passage is arranged on the movable part, and when the movable part moves towards the fixed part along the stem, the air inlet and outlet passage is communicated with the air passage in the stem. The storage container comprises a container body and the valve assembly, wherein the valve assembly is arranged on the container body. By utilizing the structure and the function of the valve component, the storage container can flexibly suck negative pressure through the valve component or charge inert gas into the container according to the needs of a user, so that objects in the container can obtain the effect of long-term storage.

Description

Valve assembly and storage container

Technical Field

The utility model belongs to the technical field of storage and preservation of articles, and particularly relates to a valve assembly and a storage container.

Background

At present, articles requiring special preservation, such as perishable articles, medicines, foods, cultural relics and the like, are generally pumped out of the storage container by negative pressure, so that the articles protected in the storage container are prevented from being damaged by oxidation of oxygen in the air. Some articles are stored in a storage container in a mode of filling inert gas (such as argon, carbon dioxide, nitrogen or mixed gas thereof) into the storage container, most of the storage containers in the prior art are storage containers with negative pressure, and a one-way valve arranged on the storage containers can meet the operation of negative pressure, but for the containers needing to be inflated and stored, other air inlet valves are additionally arranged to realize the inflation operation, so that the valve structures on the storage containers are increased, on one hand, the operation of users is inconvenient, and on the other hand, the sealing performance of the containers is also possibly influenced.

Disclosure of Invention

In order to solve the problems of the prior art, such as the increase of valve structures during pumping and inflating, the utility model provides a valve assembly and a storage container, which are used for solving the technical defects.

According to one aspect of the utility model, a valve assembly is provided, which comprises a valve seat, a movable part and a fixed part, wherein a stem is arranged in the middle of the fixed part, the fixed part is matched with the valve seat and forms a cavity for placing the movable part in the valve seat, the movable part is movably sleeved on the stem and is in sealing fit with the stem, an elastic reset element is arranged between the movable part and the fixed part, an air passage communicated with the outside of the cavity is arranged in the stem, an air inlet and outlet passage is arranged on the movable part, and when the movable part moves towards the fixed part along the stem, the air inlet and outlet passage is communicated with the air passage in the stem. The valve component can open or close the air inlet and outlet channel through the movable fit of the movable part and the fixed part, can perform air charging and air exhausting operations according to requirements, and can keep good sealing performance in a natural state.

In some specific embodiments, the valve seat is fixedly matched with the fixing part in a threaded connection manner, and a sealing ring is arranged at the matched position. With this arrangement, the fixing portion can be easily attached and detached.

In some specific embodiments, the movable portion is hollow, and the lower aperture of the hollow structure is matched with the stem, the upper aperture of the hollow structure is larger than the lower aperture, and the upper aperture and the lower aperture are connected through a conical surface in a transitional manner. By means of the arrangement, the air passage hole in the core column can be communicated with the aperture at the upper part of the movable part when the movable part moves on the core column.

In some specific embodiments, the upper portion of the movable portion is provided with an air inlet/outlet portion that is in sealing engagement with the hollow structural upper aperture of the movable portion. By means of the arrangement, the air inlet/outlet part can be matched with external air charging/exhausting equipment to perform corresponding air charging or exhausting operation.

In some specific embodiments, the air inlet/outlet portion and the upper aperture are in interference sealing fit through a concave-convex structure arranged on the matching surface. By virtue of this structure, the tightness between the air inlet/outlet portion and the upper aperture can be ensured at the time of inflation or air suction.

In some specific embodiments, the air inlet/outlet part is provided with an air inlet/outlet hole, and a sealing ring matched with external air charging/exhausting equipment is arranged in the air inlet/outlet hole. By virtue of the arrangement, the tightness of the air inlet/outlet part when being matched with external air charging/exhausting equipment can be ensured.

In some specific embodiments, the distance between the bottom surface of the air inlet/outlet portion and the upper end surface of the stem is slightly greater than the distance between the movable portion and the bottom end surface of the fixed portion. By means of the arrangement, when the external air charging/exhausting equipment presses the movable part to the bottom end face of the fixed part, a gap is reserved between the air inlet/outlet part and the core column, so that the communication state of the air passage is ensured.

According to a second aspect of the present utility model there is provided a storage container comprising a container body and a valve assembly as described above, the valve assembly being provided on the container body. The storage container can realize the operations of inflating and exhausting the inside of the container through the valve component, and the valve component is concise and easier for a user to operate.

In some specific embodiments, the container body comprises a box container or a pouch container. The corresponding boxed or bagged container can be selected for inflation/deflation storage according to the requirement.

In some specific embodiments, the box-packed container comprises a box body and an end cover, the end cover is in sealing fit with the box body, a concave structure is arranged on the end cover, a mounting hole is formed in the concave structure, and the valve assembly is arranged in the mounting hole. By means of the structure, the valve component is arranged in the concave structure, so that the whole structure of the box-packed container is more attractive and reasonable.

In some specific embodiments, the device further comprises an air pressure indicating device, wherein the air pressure indicating device is hermetically arranged on the pressure measuring hole on the bottom surface of the concave structure and is communicated with the inner cavity of the box body. By virtue of this arrangement, it is possible to facilitate the user to learn of the air pressure conditions inside the container.

In some specific embodiments, the air pressure indicating device comprises an air pressure indicating ball, the air pressure indicating ball is of a hollow elastic ball structure, an annular mounting groove is arranged at the lower part of the hollow elastic ball structure, and the annular mounting groove is in sealing fit with the bottom surface pressure measuring hole. By means of the arrangement, the assembly of the air pressure indicating ball can be facilitated, and meanwhile, the air pressure condition inside the container can be known through the change of the ball body.

In some embodiments, the valve assembly is welded to one side edge of the bag-in-container. By means of this arrangement, a suction operation of the bag-in-container can be achieved.

Compared with the prior art, the utility model has the beneficial effects that:

the valve component is matched with the storage container, so that flexible bidirectional (air suction/inflation) operation can be realized, a user can flexibly use a mode of sucking negative pressure or inflating inert gas as required, and the operation on the storage container provided with the valve component is repeated for a plurality of times, so that the long-term storage effect of articles in the storage container is realized.

Drawings

The accompanying drawings are included to provide a further understanding of the embodiments and are incorporated in and constitute a part of this specification. The drawings illustrate embodiments and together with the description serve to explain the principles of the utility model. Many of the intended advantages of other embodiments and embodiments will be readily appreciated as they become better understood by reference to the following detailed description. The elements of the drawings are not necessarily to scale relative to each other. Like reference numerals designate corresponding similar parts.

FIG. 1 is a schematic structural view of a valve assembly according to one embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a valve assembly according to one particular embodiment of the utility model;

FIG. 3 is an exploded view of a valve assembly according to one particular embodiment of the present utility model;

FIG. 4 is a schematic diagram of a storage container according to one embodiment of the utility model;

FIG. 5 is a cross-sectional view of a storage container according to a specific embodiment of the present utility model;

FIG. 6 is a schematic diagram of a fill/pump operation according to one specific embodiment of the present utility model;

FIG. 7 is a schematic view of a structure of a storage container according to another embodiment of the present utility model;

fig. 8 is a cross-sectional view of a storage container according to another specific embodiment of the present utility model.

Meaning of each number in the figure: 1-valve seat, 2-movable part, 21-inlet/outlet part, 3-fixed part, 31-stem, 32-radial air hole, 33-through hole, 4-elastic reset element, 100-valve component, 200-air pressure indicating ball, 300-end cover, 400-box body, 500-inflation/air extraction equipment and 600-bottled wine.

Detailed Description

In the following detailed description, reference is made to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration specific embodiments in which the utility model may be practiced. For this, directional terms, such as "top", "bottom", "left", "right", "upper", "lower", and the like, are used with reference to the orientation of the described figures. Because components of embodiments can be positioned in a number of different orientations, the directional terminology is used for purposes of illustration and is in no way limiting. It is to be understood that other embodiments may be utilized or logical changes may be made without departing from the scope of the present utility model. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present utility model is defined by the appended claims.

In one aspect of the present utility model, a valve assembly is provided, fig. 1 shows a schematic structural diagram of a valve assembly according to a first embodiment of the present utility model, and as shown in fig. 1, the valve assembly includes a valve seat 1, a movable portion 2, and a fixed portion 3, the valve seat 1 is a hollow structure, the fixed portion 3 is matched with the bottom of the valve seat 1, and the movable portion 2 is disposed in a cavity formed by assembling the valve seat 1 and the fixed portion 3. The internal structure of a valve assembly according to a specific embodiment of the present utility model is described below with reference to a cross-sectional view of the valve assembly shown in fig. 2:

the upper end opening portion of the valve seat 1 is provided with an inner edge structure to prevent the movable portion 2 from coming out of the upper portion of the valve seat 1. The bottom circumference surface of disk seat 1 is provided with the external screw thread, and the cooperation department of fixed part 3 is provided with the internal screw thread, realizes the fixed cooperation of fixed part 3 and disk seat 1 through threaded connection's mode, and the cooperation department still is provided with sealing washer structure for ensure two complex gas tightness. The middle part of fixed part 3 is provided with stem 31, and movable part 2 is hollow structure, and hollow structure cover is located on stem 31 to can reciprocate at stem 31, be provided with elasticity reset element 4 between the cooperation terminal surface of movable part 2 and fixed part 3, concretely, this elasticity reset element can be the spring for with movable part 2 top to the interior along the structure terminal surface of the upper end opening part of disk seat 1.

In a specific embodiment, the upper part of the hollow structure of the movable part 2 has a larger aperture than the lower part, and the upper aperture and the lower aperture are connected through a conical surface in a transitional manner. The lower aperture of the hollow structure is sleeved on the outer diameter of the stem 31. The inside of stem 31 is provided with the business turn over air channel, and this business turn over air channel includes radial gas pocket 32 of stem 31 upper segment and the through-hole 33 that the stem hypomere middle part runs through the head terminal surface of fixed part 3, and through-hole 33 link up with the middle part of radial gas pocket 32. The surfaces of the stem at the upper end and the lower end of the radial air hole 32 are provided with annular grooves and sealing rings, so that stability and tightness of the hollow structure of the stem 31 and the movable part 2 during relative displacement are ensured. When the movable part 2 is pressed to downwards compress the spring to displace, when the sealing ring at the upper part of the stem extends out of the lower aperture of the hollow structure of the movable part 2, the upper aperture, the radial air hole 32 and the through hole 33 are communicated to form an air inlet and outlet channel, and when the movable part 2 is reset, the air inlet and outlet channel is blocked.

In a specific embodiment, the upper aperture of the movable part 2 is further provided with an air inlet/outlet part 21, and the air inlet/outlet part 21 is used for being matched with external air charging or exhausting equipment, the middle part of the air inlet/outlet part is provided with a matched air inlet/outlet hole, and a sealing ring structure used for sealing with the external air charging or exhausting equipment is arranged in the air inlet/outlet hole. The air inlet/outlet part 21 and the upper aperture of the movable part 2 are in interference sealing fit through a concave-convex structure arranged on the matching surface. Although the air inlet/outlet portion 21 is provided separately from the movable portion 2 in the present embodiment and the drawings, it should be appreciated that the air inlet/outlet portion 21 and the movable portion 2 may be integrally formed, further simplifying the structure.

With continued reference to fig. 3, fig. 3 shows an exploded view of a valve assembly according to a specific embodiment of the present utility model, as shown in fig. 3, the body size of the movable portion 2 is smaller than the inner diameter size of the valve seat 1, the upper portion of the body is provided with a radial outer edge, the upper circumferential surface of the body is provided with a plurality of guide posts along the axial direction, the radial outer edge is equal to the size of the guide posts and the inner diameter size of the valve seat 1, on one hand, the movable portion 2 can be stably displaced up and down in the inner cavity of the valve seat 1 without easy occurrence of shaking, on the other hand, the bottom surfaces of the plurality of guide posts can be used for pressing a spring, one end of the spring is pressed against the inner end surface of the fixed portion 3, and the other end of the spring is pressed against the bottom end surface of the guide posts, so as to realize the resetting of the movable portion.

In a specific embodiment, the circumferential surface of the fixing portion 3 is provided with cleats at intervals to facilitate the user's assembly and disassembly of the valve assembly.

According to another aspect of the present utility model, a storage container is provided, and fig. 4 is a schematic structural diagram of the storage container according to an embodiment of the present utility model, and as shown in fig. 4, the storage container includes the valve assembly 100 as shown in fig. 1 to 3, and further includes the air pressure indicating device 200, the end cap 300, and the case 400, where the end cap 300 and the case 400 may be engaged by means of threads or a buckle, and where the engagement may be sealed by means of a sealing ring or a gasket. The valve assembly 100 and the air pressure indicating device 200 are arranged on the end cover 300, preferably, a concave structure is arranged on the end cover 300, and the height of the concave structure is equivalent to that of the valve assembly 100, so that the box body structure is more reasonable and attractive, and the box body structure is convenient to stack and place.

In a specific embodiment, the valve seat 1 may be integrally formed at the concave structure of the end cap 300, and a screw structure for being engaged with the fixing portion 3 is formed at the rear surface of the end cap 300. The remaining structure of the valve body assembly is the same as the valve body structure of fig. 1-3 described above, and will not be repeated here.

In a specific embodiment, the air pressure indicating device 400 is specifically an air pressure indicating ball, the concave structure of the end cover 300 is provided with a pressure measuring hole, the upper part of the air pressure indicating ball is of a hollow elastic sphere structure, and the lower part of the air pressure indicating ball is provided with an annular mounting groove which is in sealing fit with the pressure measuring hole of the end cover 300. The air pressure condition in the container can be known through the air pressure indicating ball, for example, after the air is pumped into the container, the air pressure indicating ball contracts and is shrunken; after the container is inflated, the pressure condition in the container can be approximately judged according to the resistance by touching the pressure indicator ball.

With continued reference to fig. 6, fig. 6 shows a schematic diagram of the inflation/deflation operation according to an embodiment of the present utility model, and as shown in fig. 6, the trigger switch type head of the external inflation/deflation device 500 is inserted into the air inlet/outlet portion 21 of the valve body assembly, and presses the movable portion downward against the inner end surface of the fixed portion 3, for example, inflation: at this time, the trigger switch type head gas passage of the external air charging/exhausting apparatus 500 is opened, and the gas in the gas cylinder inside the external air charging/exhausting apparatus 500 enters the container through the head gas passage, the upper aperture of the movable portion, the radial gas hole 32 of the stem 31, and the through hole 33 thereof, so as to complete the operation of charging inert gas (such as argon, carbon dioxide, nitrogen, or a mixture thereof) into the container to achieve preservation. The pumping operation is similar to the above-mentioned pumping operation, and the pumping head of the external pumping/pumping device 500 is used to press the movable part to pump the gas in the container, so that the user can judge the pumping and pumping conditions in the container through the air pressure indicating ball. In addition, aiming at different preservation demands, a user can adopt a negative pressure pumping mode to preserve, or the operation of pumping negative pressure and then inflating inert gas into the container is carried out, so that the preservation effect is further improved, and a corresponding pumping and charging scheme is flexibly formulated according to the preservation demands of the preserved articles. In some other applications, the container may have other shapes besides the cylindrical box structure in the drawings, such as square, rectangular box, etc., which can also achieve the technical effects of the present utility model, and a bag container may be used as the container, and the valve assembly is welded to the bag container, which can also achieve the effects of flexible filling and preservation.

Fig. 7 is a schematic structural view of a storage container according to another embodiment of the present utility model, as shown in fig. 7, which can be used for storing bottled wine, specifically, a box 400' is configured in a bottle-shaped structure, an opening is provided at the bottom of the box 400' for placing bottled wine therein, an end cap 300 is matched with and seals the bottom opening of the box 400', and a valve assembly 100 and a pneumatic indicator 200 provided on the end cap 300 are the same as those of the previous embodiment, and will not be repeated herein. Fig. 8 is a cross-sectional view of a storage container according to another embodiment of the present utility model, as shown in fig. 8, after the bottled wine 600 is placed inside the case 400', the end cap 300 is in sealing engagement with the case 400', and a plurality of supporting parts 301 are further provided inside the end cap 300, the supporting parts are used for supporting the bottle bottom of the bottled wine 600, and the supporting parts 301 are slightly higher than the fixing parts of the valve assembly 100 inside the end cap 300, so that the bottle bottom of the bottled wine 600 does not block the air inlet and outlet passages of the fixing parts when the bottled wine 600 is placed inside the case 400 '. The container can be used for preserving bottled wine under negative pressure or positive pressure, and the preserving effect is improved.

It will be apparent to those skilled in the art that various modifications and variations can be made to the embodiments of the present utility model without departing from the spirit and scope of the utility model. In this manner, the utility model is also intended to cover such modifications and variations as come within the scope of the appended claims and their equivalents. The word "comprising" does not exclude the presence of other elements or steps than those listed in a claim. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage. Any reference signs in the claims shall not be construed as limiting the scope.

Claims (13)

1. The utility model provides a valve assembly, its characterized in that includes disk seat, movable part and fixed part, the middle part of fixed part is provided with the stem, the fixed part with the disk seat cooperation is in form in the disk seat and is used for placing the cavity of movable part, movable part displaceably overlap locate on the stem and with stem seal cooperation, just movable part with be provided with elastic reset element between the fixed part, be provided with in the stem intercommunication the outside air flue of cavity, be provided with the business turn over air channel on the movable part, just movable part is followed the stem to when the fixed part displacement, the business turn over air channel with the air flue in the stem switches on.

2. The valve assembly of claim 1, wherein the valve seat is fixedly engaged with the fixed portion by threaded connection, and a sealing ring is disposed at the engagement.

3. The valve assembly of claim 1, wherein the interior of the movable portion is hollow and a lower aperture of the hollow structure mates with the stem, an upper aperture of the hollow structure is larger than the lower aperture, and the upper and lower apertures are connected by a tapered transition.

4. A valve assembly according to claim 3, wherein the upper part of the movable part is provided with an inlet/outlet part which is in sealing engagement with the hollow structural upper aperture of the movable part.

5. The valve assembly of claim 4, wherein the inlet/outlet port is in interference sealing engagement with the upper aperture by means of a relief feature provided on the mating surface.

6. The valve assembly of claim 4, wherein the inlet/outlet port is provided with an inlet/outlet port, and a sealing ring is disposed in the inlet/outlet port and cooperates with an external air-filling/air-extracting structure.

7. The valve assembly of claim 4, wherein a distance between a bottom surface of the inlet/outlet portion and an upper end surface of the stem is slightly greater than a distance between the movable portion and a bottom end surface of the fixed portion.

8. A storage container comprising a container body and a valve assembly according to any one of claims 1 to 7, the valve assembly being provided on the container body.

9. A storage container according to claim 8, wherein the container body comprises a box-packed container or a pouch container.

10. The storage container of claim 9, wherein the box-packed container comprises a box body and an end cover, the end cover is in sealing fit with the box body, a concave structure is arranged on the end cover, a mounting hole is formed in the concave structure, and the valve assembly is mounted in the mounting hole.

11. The storage container of claim 10, further comprising an air pressure indicating device, wherein the air pressure indicating device is hermetically disposed at the bottom pressure tap of the recessed structure and is in communication with the interior cavity of the case.

12. The storage container of claim 11, wherein the air pressure indicating device comprises an air pressure indicating ball, the air pressure indicating ball is of a hollow elastic ball structure, an annular mounting groove is arranged at the lower part of the hollow elastic ball structure, and the annular mounting groove is in sealing fit with the bottom surface pressure measuring hole.

13. A storage container according to claim 9, wherein said valve assembly is welded to a side edge of said bag-in-container.