CN115339760B

CN115339760B - Packaging cover with breather valve

Info

Publication number: CN115339760B
Application number: CN202211266471.8A
Authority: CN
Inventors: 何伟; 孙明泽; 尹琨; 宋金田; 王莹; 赵艺杰; 阳光
Original assignee: Beikuang Chemical Technology Cangzhou Co ltd
Current assignee: Beikuang Chemical Technology Cangzhou Co ltd
Priority date: 2022-10-15
Filing date: 2022-10-15
Publication date: 2023-01-06
Anticipated expiration: 2042-10-15
Also published as: CN115339760A

Abstract

The invention relates to the technical field of packaging covers, in particular to a packaging cover with a breather valve; the air pressure balance adjustment in the transport container can be realized while the material inlet and the material outlet of the transport container are plugged; the air pressure adjusting mechanism comprises an adjusting cover, a vertical counterweight component and a plurality of first connecting springs, wherein a lower convex sphere part is arranged in the middle of the bottom end of the adjusting cover, a lower concave sphere part matched with the lower convex sphere part is arranged on the cover body, the lower convex sphere part is rotatably arranged in the lower concave sphere part, a plurality of groups of ventilation channels which are uniformly distributed in the circumferential direction are arranged on the outer wall of the lower convex sphere part, the top of each ventilation channel is lower than that of the cover body, the vertical counterweight component is arranged in the middle of the adjusting cover, and the adjusting cover is elastically connected with the cover body through the plurality of first connecting springs; and a first through hole communicated with the ventilation channel is formed in the lower concave spherical part.

Description

Packaging cover with breather valve

Technical Field

The invention relates to the technical field of packaging covers, in particular to a packaging cover with a breather valve.

Background

As is known well, liquid materials are mostly transported by containers such as a ton barrel, and the material inlet and the material outlet of the containers are sealed by a packaging cover; the utility model discloses a (bulletin) No. CN211076943U discloses a novel plastic packaging lid, including the bottle lid cover, the top fixed mounting of bottle lid cover has the fixture block, and one side fixedly connected with connecting rod of fixture block, the surface rotation of connecting rod is connected with the adapter sleeve, and the back fixedly connected with packing cover of adapter sleeve, the top of packing cover is rotated and is connected with the swivel becket, and the top fixed mounting of swivel becket has the buckle, the positive bottom fixedly connected with fixed block of packing cover, and the bottom fixedly connected with stopper of fixed block, the positive top fixed mounting of bottle lid cover has chucking mechanism. The novel plastic packaging cover is convenient for better processing the sealing performance of the packaging bottle through the mutual matching among the packaging cover, the limiting rod and the limiting groove, thereby solving the problem that part of liquid is easy to leak out through the top of the packaging bottle in the process of storing the liquid by the packaging bottle and improving the sealing performance of the packaging cover on the liquid; in carrying out the liquid material transportation, especially when transporting chemical reagent etc. adopt plastics ton bucket more, because of the road jolt or the pressure difference in different areas, chemical reagent easily rocks in the container, and the pressure in the container changes, adopts canned type packing lid, easily causes the deformation of plastic container such as ton bucket, and when the internal gas pressure of plastic container was too big, can cause chemical reagent's explosion, has great potential safety hazard.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the packaging cover with the breather valve, which realizes the sealing of the material inlet and the material outlet of the transportation container and simultaneously adjusts the air pressure balance in the transportation container.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a packaging cover with a breather valve comprises a cover body and an air pressure adjusting mechanism arranged on the cover body, wherein the air pressure adjusting mechanism comprises an adjusting cover, a vertical counterweight component and a plurality of first connecting springs, a lower convex sphere part is arranged in the middle of the bottom end of the adjusting cover, a lower concave sphere part matched with the lower convex sphere part is arranged on the cover body, the lower convex sphere part is rotatably arranged in the lower concave sphere part, a plurality of groups of ventilation channels which are uniformly distributed in the circumferential direction are arranged on the outer wall of the lower convex sphere part, the top of each ventilation channel is lower than that of the cover body, the vertical counterweight component is arranged in the middle of the adjusting cover, and the adjusting cover is elastically connected with the cover body through the plurality of first connecting springs; and a first through hole communicated with the ventilation channel is formed in the lower concave spherical part.

Preferably, the vertical weight assembly comprises a connecting rod and a weight ball mounted at the bottom of the connecting rod.

Preferably, a first cylindrical body and a cylindrical net are mounted at the top of the cover body, and the first cylindrical body and the cylindrical net enclose to form a first placing cavity; the top of the first cylindrical body and the top of the cylindrical net are in close contact with the bottom of the adjusting cover.

Preferably, the adjusting cover is provided with an exhalation assembly and an inhalation assembly, the exhalation assembly comprises a first valve plug and a second connecting spring, the upper part of the adjusting cover is provided with an installation cavity, the first valve plug can be installed in a lower convex spherical part and the installation cavity in the middle of the adjusting cover in a vertical sliding manner, the first valve plug is elastically connected with the top wall in the installation cavity through the second connecting spring, the middle lower part of the adjusting cover is provided with a plurality of groups of second through holes which are uniformly distributed in the circumferential direction and communicated with the inside of the installation cavity, and the bottom of the lower convex spherical part is provided with a third through hole; the air suction assembly comprises a second valve plug and a third connecting spring, a plurality of fourth through holes which are uniformly distributed in the circumferential direction and are communicated up and down are formed in the first valve plug, the second valve plug can be installed in the middle of the first valve plug in a vertically sliding mode and is elastically connected with the first valve plug through the third connecting spring, and a plurality of fifth through holes which are uniformly distributed in the circumferential direction and are communicated with the installation cavity are formed in the middle upper portion of the adjusting cover; the connecting rod is connected with the bottom of the second valve plug.

Preferably, still include the annular net, the adjustment lid top is provided with a second section of thick bamboo body, enclose synthetic second between second section of thick bamboo body, annular net and the adjustment lid outer wall and place the chamber, the second is placed the chamber and is passed through the second through-hole intercommunication with the installation cavity.

Preferably, the counterweight ball is an internal hollow ball.

Preferably, the connecting rod comprises a sleeve and an adjusting rod, and the adjusting rod is screwed in the sleeve.

Preferably, filter screens are installed at the second through hole and the fifth through hole.

Preferably, the top of the adjusting cover is detachably provided with a shielding cover.

(III) advantageous effects

Compared with the prior art, the invention provides a packaging cover with a breather valve, which has the following beneficial effects: the packaging cover with the breather valve is characterized in that a cover body is arranged at a material inlet and outlet of a container, a vertical counterweight component extends into the container, the adjusting cover is in close contact with the cover body and is in a closed state under the action of a first connecting spring, when the container shakes in the transportation process, so that the air pressure in the container changes, the vertical counterweight component and the container synchronously shake, a lower convex sphere part rotates in a lower concave sphere part, a ventilation channel on the lower convex sphere part is communicated with the external atmosphere, the external atmosphere is communicated with the interior of the container through a first through hole, the air pressure in the container is ensured to be the same as the external air pressure, the material inlet and outlet of the transportation container are plugged, and the air pressure in the transportation container is balanced and adjusted; the structure is scientific and reasonable, and the automatic adjustment of the air pressure change caused by the shaking of the chemical reagent in the container can be realized.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic bottom view of the present invention;

FIG. 3 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;

FIG. 4 is a schematic view of the internal cutaway perspective structure of the present invention;

in the drawings, the reference numbers: 1. a cover body; 2. adjusting the cover; 3. a first connecting spring; 4. a lower convex spherical portion; 5. a concave sphere portion; 6. a vent passage; 7. a first through hole; 8. a counterweight ball; 9. a first cylindrical body; 10. a drum-type net; 11. a first placing cavity; 12. a first valve plug; 13. a second connecting spring; 14. a mounting cavity; 15. a second through hole; 16. a third through hole; 17. a second valve plug; 18. a third connecting spring; 19. a fourth via hole; 20. a fifth through hole; 21. an endless web; 22. a second cylindrical body; 23. a second placing cavity; 24. a sleeve; 25. an adjusting lever; 26. filtering with a screen; 27. and (6) shielding the cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-4, the packaging cover with the breather valve of the present invention comprises a cover body 1 and an air pressure adjusting mechanism installed on the cover body 1, wherein the air pressure adjusting mechanism comprises an adjusting cover 2, a vertical counterweight assembly and a plurality of first connecting springs 3, a lower convex sphere portion 4 is provided in the middle of the bottom end of the adjusting cover 2, a lower concave sphere portion 5 fitted with the lower convex sphere portion 4 is provided on the cover body 1, the lower convex sphere portion 4 is rotatably installed in the lower concave sphere portion 5, a plurality of sets of ventilation channels 6 circumferentially and uniformly distributed are provided on the outer wall of the lower convex sphere portion 4, the top of the ventilation channels 6 is lower than the top of the cover body 1, the vertical counterweight assembly is installed in the middle of the adjusting cover 2, and the adjusting cover 2 and the cover body 1 are elastically connected through the plurality of first connecting springs 3; a first through hole 7 communicated with the vent channel 6 is arranged at the lower concave sphere part 5; the first connecting spring 3 is in a contraction state in an initial state, and the cover body 1 is tightly contacted with the adjusting cover 2 under the action of the first connecting spring 3, so that the primary sealing of a material inlet and a material outlet of the container is realized; in the shaking process of the vertical counterweight component, the lower convex spherical part 4 synchronously rotates, the corresponding ventilation channel 6 is exposed out of the upper part of the cover body 1, the adjusting cover 2 is in an inclined state at the moment, a gap is generated between the adjusting cover 2 and the cover body 1, the communication between the inside of the container and the outside atmosphere is realized, and the adaptive adjustment is carried out on the pressure inside the container according to the shaking of the chemical solvent; the fine adjustment of the air pressure in the container is realized.

Specifically, the vertical counterweight assembly comprises a connecting rod and a counterweight ball 8 arranged at the bottom of the connecting rod; further, counter weight ball 8 is installed in the bottom of connecting rod, and in counter weight ball 8 entered into the container, counter weight ball 8 can be in unsettled state with liquid level contact or counter weight ball 8 in the container, when the container appears rocking, under the buoyancy effect of chemical reagent or rock the impact force effect, counter weight ball 8 lost balanced state, the connecting rod skew to the realization is to the rotation drive of lower spheroid portion 4.

Specifically, a first cylindrical body 9 and a cylindrical net 10 are mounted at the top of the cover body 1, and the first cylindrical body 9 and the cylindrical net 10 enclose a first placing cavity 11; the top parts of the first cylindrical body 9 and the cylindrical net 10 are tightly contacted with the bottom part of the adjusting cover 2; adsorbent, such as activated carbon particles or other particle adsorbents can be placed in the second placing cavity 23 to adsorb the chemical reagents volatilized in the container, so that pollution to the environment caused by unstructured VOCS emission is reduced.

Specifically, an exhalation assembly and an inhalation assembly are mounted on the adjusting cover 2, the exhalation assembly comprises a first valve plug 12 and a second connecting spring 13, a mounting cavity 14 is arranged at the upper part of the adjusting cover 2, the first valve plug 12 is mounted in a lower convex ball body part 4 in the middle of the adjusting cover 2 and the mounting cavity 14 in a vertically sliding manner, the first valve plug 12 is elastically connected with the top wall in the mounting cavity 14 through the second connecting spring 13, a plurality of groups of second through holes 15 which are uniformly distributed in the circumferential direction and communicated with the inside of the mounting cavity 14 are arranged at the middle lower part of the adjusting cover 2, and a third through hole 16 is arranged at the bottom of the lower convex ball body part 4; the air suction assembly comprises a second valve plug 17 and a third connecting spring 18, a plurality of fourth through holes 19 which are uniformly distributed in the circumferential direction and are communicated up and down are formed in the first valve plug 12, the second valve plug 17 can be installed in the middle of the first valve plug 12 in a vertically sliding mode, the second valve plug 17 is elastically connected with the first valve plug 12 through the third connecting spring 18, and a plurality of fifth through holes 20 which are uniformly distributed in the circumferential direction and are communicated with the installation cavity 14 are formed in the upper middle of the adjusting cover 2; the connecting rod is connected with the bottom of the second valve plug 17; in an initial state, the second connecting spring 13 is in a compressed state, the first valve plug 12 is in close contact with the adjusting cover 2, the internal air pressure and the external air pressure of the container act on the second valve plug 17, the top of the adjusting cover 2 is sealed and blocked by the first valve plug 12, when the internal air pressure of the container is greater than the external air pressure, the second connecting spring 13 continues to contract under the action of the internal air pressure, the first valve plug 12 is separated from the adjusting cover 2, the internal of the container is communicated with the external atmosphere through the second through hole 15 and the third through hole 16, and the internal of the container is decompressed, so that the internal air pressure of the container is balanced with the external atmosphere; the third connecting spring 18 is in a compressed state in an initial state, the second valve plug 17 and the first valve plug 12 are in a closed state under the action of the third connecting spring 18, when the external air pressure is greater than the internal air pressure of the container, the second valve plug 17 moves downwards and is separated from the contact with the first valve plug 12, the internal air pressure of the container is communicated with the external atmosphere through the third through hole 16, the fourth through hole 19 and the fifth through hole 20, and the external atmosphere enters the container to realize pressure adjustment inside the container; the exhalation module and the inhalation module can be used for adaptively adjusting the air pressure change in the container in a wide range, so that the air pressure in the container is in a balanced state with the air pressure outside the container.

Specifically, the top of the adjusting cover 2 is provided with a second cylindrical body 22, a second placing cavity 23 is enclosed among the second cylindrical body 22, the annular net 21 and the outer wall of the adjusting cover 2, and the second placing cavity 23 is communicated with the mounting cavity 14 through a second through hole 15; adsorbent, such as activated carbon particles or other granular adsorbent can be placed in the second placing cavity 23 to adsorb the volatilized VOCS waste gas, and harm to the environment is reduced.

Specifically, the counterweight ball 8 is an internal hollow ball body; the counter weight ball 8 adopts the cavity spheroid, can reduce the whole quality of counter weight ball 8, places the counter weight ball 8 in the container, and the counter weight ball 8 floats in the chemical reagent liquid level department in the container, and when chemical reagent when rocking and the liquid level change, the counter weight ball 8 can reciprocate when buoyancy changes to impel opening or closing of first valve plug 12 or second valve plug 17, thereby realize the change adjustment to container internal pressure.

Specifically, the connecting rod comprises a sleeve 24 and an adjusting rod 25, and the adjusting rod 25 is screwed in the sleeve 24; the sleeve 24 can be adjusted according to the volume of the chemical reagent in the container, so that the position of the counterweight ball 8 is changed, and the counterweight ball 8 is adapted to the liquid level.

Specifically, the second through hole 15 and the fifth through hole 20 are both provided with a filter screen 26; the filter screen 26 can prevent the adsorbent or external impurities from entering the container, and a certain impurity filtering effect is achieved.

Specifically, the top of the adjusting cover 2 is detachably provided with a shielding cover 27; through sheltering from lid 27, can shelter from adjustment lid 2 upper portion, play certain sunshade and the effect of taking shelter from the rain, effectively reduce outside sunshine and second and place the adsorbent in chamber 23 and penetrate directly, reduce rainwater etc. and enter into to the second and place the chamber 23 in, avoid causing the influence to the adsorption effect of adsorbent.

When the cover body is used, the cover body 1 is arranged at a material inlet and outlet of a container, when the container slightly shakes, the vertical counterweight component and the container synchronously shake, the lower convex sphere part 4 rotates in the lower concave sphere part 5, the ventilation channel 6 on the lower convex sphere part 4 is communicated with the external atmosphere, and the communication between the external atmosphere and the inside of the container is realized through the first through hole 7, so that the internal air pressure of the container is ensured to be the same as the external air pressure; when the air pressure in the container is greater than the external air pressure, the second connecting spring 13 continues to contract under the action of the internal air pressure, the first valve plug 12 is separated from the adjusting cover 2, the communication between the interior of the container and the external atmosphere is realized through the second through hole 15 and the third through hole 16, and the pressure in the container is relieved, so that the air pressure in the container is balanced with the external atmosphere; when the external air pressure is higher than the internal air pressure of the container, the second valve plug 17 moves downwards and is separated from the contact with the first valve plug 12, the communication between the internal air pressure of the container and the external atmosphere is realized through the third through hole 16, the fourth through hole 19 and the fifth through hole 20, and the external atmosphere enters the container to realize the pressure adjustment of the interior of the container; the exhalation module and the inhalation module can be used for adaptively adjusting the air pressure change in the container in a wide range, so that the air pressure in the container is in a balanced state with the air pressure outside the container.

It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

It should be readily understood that "on … …", "above … …" and "above … …" in this disclosure should be interpreted in the broadest manner such that "on … …" means not only "directly on something", but also "on something" with the meaning of intermediate features or layers therebetween, and "above … …" or "above … …" includes not only the meaning of "above" or "above" something, but also the meaning of "above" or "above" without intermediate features or layers therebetween (i.e., directly on something).

Furthermore, spatially relative terms, such as "below," "lower," "above," "upper," and the like, may be used herein for ease of description to describe one element or feature's illustrated relationship to another element or feature. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims

1. The packaging cover with the breather valve is characterized by comprising a cover body (1) and an air pressure adjusting mechanism arranged on the cover body (1);

the air pressure adjusting mechanism comprises an adjusting cover (2), a vertical counterweight component and a plurality of first connecting springs (3), wherein a lower convex sphere part (4) is arranged in the middle of the bottom end of the adjusting cover (2), a lower concave sphere part (5) matched with the lower convex sphere part (4) is arranged on the cover body (1), the lower convex sphere part (4) can be rotatably arranged in the lower concave sphere part (5), a plurality of groups of ventilation channels (6) which are uniformly distributed in the circumferential direction are arranged on the outer wall of the lower convex sphere part (4), the top of each ventilation channel (6) is lower than the top of the cover body (1), the vertical counterweight component is arranged in the middle of the adjusting cover (2), and the adjusting cover (2) is elastically connected with the cover body (1) through the plurality of first connecting springs (3); a first through hole (7) communicated with the ventilation channel (6) is formed in the lower concave spherical part (5);

the vertical counterweight component comprises a connecting rod and a counterweight ball (8) arranged at the bottom of the connecting rod;

a first cylindrical body (9) and a cylindrical net (10) are mounted at the top of the cover body (1), and the first cylindrical body (9) and the cylindrical net (10) are enclosed to form a first placing cavity (11); the top of the first cylindrical body (9) and the top of the cylindrical net (10) are in close contact with the bottom of the adjusting cover (2);

the adjusting cover (2) is provided with an expiration assembly and an inspiration assembly, the expiration assembly comprises a first valve plug (12) and a second connecting spring (13), the upper part of the adjusting cover (2) is provided with an installation cavity (14), the first valve plug (12) can be installed in a lower convex spherical part (4) and the installation cavity (14) in the middle of the adjusting cover (2) in a vertical sliding mode, the first valve plug (12) is elastically connected with the inner top wall of the installation cavity (14) through the second connecting spring (13), the middle lower part of the adjusting cover (2) is provided with a plurality of groups of second through holes (15) which are circumferentially uniformly distributed and communicated with the inside of the installation cavity (14), and the bottom of the lower convex spherical part (4) is provided with a third through hole (16); the air suction assembly comprises a second valve plug (17) and a third connecting spring (18), a plurality of fourth through holes (19) which are uniformly distributed in the circumferential direction and are communicated up and down are formed in the first valve plug (12), the second valve plug (17) is installed in the middle of the first valve plug (12) in a vertically sliding mode, the second valve plug (17) is elastically connected with the first valve plug (12) through the third connecting spring (18), and a plurality of fifth through holes (20) which are uniformly distributed in the circumferential direction and are communicated with the installation cavity (14) are formed in the middle upper portion of the adjusting cover (2); the connecting rod is connected with the bottom of the second valve plug (17).

2. The packaging cover with the breather valve is characterized by further comprising an annular net (21), a second cylindrical body (22) is arranged at the top of the adjusting cover (2), a second placing cavity (23) is enclosed among the second cylindrical body (22), the annular net (21) and the outer wall of the adjusting cover (2), and the second placing cavity (23) is communicated with the mounting cavity (14) through a second through hole (15).

3. The packaging cap with breather valve according to claim 2, characterized in that the counter-weight ball (8) is an internal hollow sphere.

4. The packaging cover with the breather valve according to claim 3, wherein the connecting rod comprises a sleeve (24) and an adjusting rod (25), and the adjusting rod (25) is screwed in the sleeve (24).

5. The packaging cover with the breather valve according to claim 4, characterized in that a filter screen (26) is installed at each of the second through hole (15) and the fifth through hole (20).

6. The packaging cap with the breather valve is characterized in that a shielding cap (27) is detachably mounted on the top of the adjusting cap (2).