CN217707034U - Large-capacity plastic barrel cover with expansion-proof exhaust assembly - Google Patents

Abstract

The utility model discloses a large capacity plastic drum bung with prevent exhaust subassembly that expands, including the plastic drum bung, the fixed mounting of center department of plastic drum bung has prevents the exhaust subassembly that expands, prevent that the exhaust subassembly that expands includes the exhaust chamber, the interlude fixed mounting in exhaust chamber has middle arch, the exhaust chamber, the inside intercommunication of middle arch, the bottom fixedly connected with in exhaust chamber extends to the blast pipe of plastic drum staving inner chamber, the inside movable mounting in exhaust chamber has the piston plate, and the piston plate is located middle protruding below, fixedly connected with spring between the top of piston plate and the top inner wall in exhaust chamber, the exhaust hole has been seted up at the top in exhaust chamber. The utility model relates to a plastic drum bung technical field. This large capacity plastic drum bung with prevent expanding exhaust subassembly possesses the exhaust function, avoids plastic drum internal pressure too big, has solved current plastic drum bung and has not possessed the exhaust function, has the problem of potential safety hazard.

Description

Large-capacity plastic barrel cover with expansion-proof exhaust assembly

Technical Field

The utility model relates to a plastic drum bung technical field specifically is a large capacity plastic drum bung with prevent expanding exhaust subassembly.

Background

The plastic barrel is mainly used for storing and transporting various liquids, has good characteristics for special dangerous goods packaging, has the characteristics of low probability of breakage, no rustiness, light weight and the like, has good oil resistance and strong corrosion resistance, and is mainly used for packaging dangerous goods needing heat preservation, moisture protection, pressure resistance and corrosion resistance. The plastic barrel is mainly made of polyethylene, polypropylene, polyester and other plastics through blow molding, injection molding, plastic sucking and rotational molding, and is mainly used for containing liquid and solid articles in the industries of chemical industry, pesticide, medicine, food, hardware electronics, electromechanics and the like.

The prior art has the following defects and shortcomings:

because the plastic barrel does not have the breathing function, the plastic barrel is easy to generate a large amount of gas in the plastic barrel due to severe jolt in the product transportation process, and as long as the gas is accumulated too much in the barrel, the cover is easy to bulge, so that the transportation quality accident is caused, the danger coefficient is increased in the transportation process, and a manufacturer faces certain economic loss. Secondly, in different temperature, atmospheric pressure and different height above sea level areas, the inside and outside atmospheric pressure difference of filling product such as plastic drum is unstable, very easily produces and inhales flat or the drum lid problem in the storage process, also can produce certain influence to product quality.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a large capacity plastic drum bung with prevent expanding exhaust subassembly has solved the problem that prior art exists.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the large-capacity plastic barrel cover with the anti-expansion exhaust assembly comprises a plastic barrel cover body, wherein the anti-expansion exhaust assembly is fixedly mounted at the center of the plastic barrel cover body and comprises an exhaust cavity, a middle bulge is fixedly mounted in the middle of the exhaust cavity, the exhaust cavity and the middle bulge are communicated internally, an exhaust pipe extending to an inner cavity of the plastic barrel body is fixedly connected to the bottom of the exhaust cavity, a piston plate is movably mounted in the exhaust cavity and located below the middle bulge, a spring is fixedly connected between the top of the piston plate and the inner wall of the top of the exhaust cavity, an exhaust hole is formed in the top of the exhaust cavity, a connecting rod is fixedly connected to the top of the piston plate and penetrates through one end, extending out of the exhaust cavity, of the connecting rod, a sealing plate is fixedly mounted at the outer end of the exhaust hole, a pull rod is fixedly mounted at the top of the sealing plate, a base is fixedly mounted at the bottom of the exhaust cavity, the exhaust cavity is fixedly connected to the plastic barrel body through the base, a plurality of parallel scale marks are arranged at equal intervals along the axial direction, and scale marks with a plurality of sequential arrangement are arranged at intervals.

Preferably, the outer wall of the connecting rod is fixedly provided with an indicating needle.

Preferably, the middle protrusion is made of transparent glass or transparent plastic.

Preferably, the springs are symmetrically distributed on two sides of the connecting rod, and the number of the springs is at least 2.

Preferably, anticorrosive paint is uniformly coated on the inner walls of the exhaust cavity, the middle bulge and the exhaust pipe.

Preferably, the piston plate and the sealing plate are made of natural rubber.

Advantageous effects

The utility model provides a large capacity plastic drum bung with prevent expanding exhaust subassembly. Compared with the prior art, the method has the following beneficial effects:

(1) This large capacity plastic drum bung with prevent exhaust subassembly that expands, through setting up the exhaust chamber, the inside movable mounting piston plate of exhaust chamber, the piston plate passes through spring and exhaust intracavity wall fixed connection, the bottom fixed connection blast pipe in exhaust chamber, the exhaust hole is seted up at the top, the inside gas of plastic drum staving gets into inside the exhaust chamber through the blast pipe, when plastic drum staving internal pressure is too big, promote the piston plate, the closing plate rebound, be provided with middle arch at the exhaust chamber interlude, thereby gas at first discharges to middle arch, outwards discharge by the exhaust hole again, pressure diminishes behind the exhaust gas, it resets to drive the piston plate under the effect of spring and seals, avoid liquid spill, thereby solved current plastic drum bung and did not possess exhaust function, there is the problem of potential safety hazard, in addition through setting up the piston plate, two sets of seal structure of closing plate, the sealing performance of plastic drum bung to the plastic drum staving can effectively be guaranteed again when playing the exhaust function of preventing expanding.

(2) This large capacity plastic drum bung with prevent exhaust subassembly that expands, set up to transparent material through middle arch, middle protruding surface sets up the scale mark, the person of facilitating the use looks over directly perceivedly to the position of the inside piston plate of exhaust chamber, set up the pointer simultaneously on the connecting rod and be used for instructing the scale mark, more directly perceived, be provided with the pull rod at the closing plate top, and then judge plastic drum staving internal pressure size through the position condition of middle protruding observation piston plate, when plastic drum staving internal pressure was too big, the user upwards lifts the connecting rod through the pull rod, can be used to the manual exhaust of the inside flatulence of plastic drum staving, and is more practical.

Drawings

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

FIG. 2 is a schematic structural view of the expansion-preventing exhaust assembly of the present invention;

FIG. 3 is a schematic view of the overall structure of the present invention;

fig. 4 is the internal structure schematic diagram of the expansion-proof exhaust assembly of the present invention.

In the figure: 1. the cover of the plastic barrel; 2. an expansion-preventing exhaust assembly; 201. an exhaust chamber; 202. a middle bulge; 2021. scale lines; 203. an exhaust pipe; 204. a piston plate; 205. a spring; 206. an exhaust hole; 207. a connecting rod; 2071. an indicator needle; 208. a sealing plate; 209. a pull rod; 210. a base; 3. a plastic barrel body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the large-capacity plastic barrel cover with the anti-expansion exhaust assembly comprises a plastic barrel cover 1, an anti-expansion exhaust assembly 2 is fixedly installed at the center of the plastic barrel cover 1, the anti-expansion exhaust assembly 2 comprises an exhaust cavity 201, a middle bulge 202 is fixedly installed at the middle section of the exhaust cavity 201, the exhaust cavity 201 and the middle bulge 202 are communicated, an exhaust pipe 203 extending to the inner cavity of the plastic barrel body 3 is fixedly connected to the bottom of the exhaust cavity 201, a piston plate 204 is movably installed inside the exhaust cavity 201 and located below the middle bulge 202, a spring 205 is fixedly connected between the top of the piston plate 204 and the inner wall of the top of the exhaust cavity 201, an exhaust hole 206 is formed in the top of the exhaust cavity 201, a connecting rod 207 is fixedly connected to the top of the piston plate 204, the connecting rod 207 penetrates through the exhaust hole 206 to extend out of the outer end of the exhaust cavity 201 and is fixedly installed with a sealing plate 208, a pull rod 209 is fixedly installed at the top of the sealing plate 208, a base 210 is fixedly installed at the bottom of the exhaust cavity 201, the exhaust cavity 201 is fixedly connected to the plastic barrel body 3 through the base 210, a plurality of parallel scale lines 2021 are equidistantly arranged along the axial direction, and a plurality of scale lines 2021 are sequentially arranged at intervals.

In this embodiment, an indicator 2071 is further fixedly mounted on the outer wall of the connecting rod 207 and used for indicating the graduation mark 2021; the middle bulge 202 is made of transparent glass or transparent plastic, so that a user can conveniently and visually check the position of the piston plate 204 in the exhaust cavity 201; the springs 205 are symmetrically distributed on two sides of the connecting rod 207, the number of the springs 205 is at least 2, and the piston plate 204 can be automatically reset by utilizing the elastic function of the springs 205; the inner walls of the exhaust cavity 201, the middle bulge 202 and the exhaust pipe 203 are uniformly coated with anticorrosive coatings, so that the corrosion of the inner walls of the exhaust cavity 201, the middle bulge 202 and the exhaust pipe 203 caused by the flatulence is reduced, and the service life of the expansion-preventing exhaust assembly 2 is prolonged; the piston plate 204 and the sealing plate 208 are made of natural rubber, so that the piston plate is corrosion-resistant and has good sealing performance.

When the plastic barrel cover 1 is used, the plastic barrel cover 1 is arranged on the plastic barrel body 3, the expansion-proof exhaust assembly 2 is arranged on the plastic barrel cover 1, the expansion-proof exhaust assembly 2 comprises an exhaust cavity 201, a piston plate 204 is movably arranged in the exhaust cavity 201, the piston plate 204 is fixedly connected with the inner wall of the exhaust cavity 201 through a spring 205, an exhaust pipe 203 is fixedly connected with the bottom of the exhaust cavity 201, an exhaust hole 206 is formed in the top of the exhaust cavity 201, gas in the plastic barrel body 3 enters the exhaust cavity 201 through the exhaust pipe 203, when the internal pressure of the plastic barrel body 3 is overlarge, the piston plate 204 and a sealing plate 208 are pushed to move upwards, a middle bulge 202 is arranged in the middle section of the exhaust cavity 201, so that the gas is firstly discharged into the middle bulge 202 and then is discharged outwards through the exhaust hole 206, the pressure is reduced after the gas is discharged, the piston plate 204 is driven to reset under the action of the spring 205 for sealing, the liquid splashing is avoided, and the problem that the existing plastic barrel cover does not have the exhaust function and has potential safety hazard is solved, and in addition, two sealing structures of the piston plate 204 and the sealing plate 208 are arranged, so that the expansion-proof exhaust function can effectively ensure the performance of the plastic barrel cover 1 when the plastic barrel 3; in addition, set up to transparent material through middle arch 202, middle arch 202 surface sets up scale mark 2021, the person of facilitating the use looks over directly perceivedly to the position of the inside piston plate 204 of exhaust chamber 201, set up pointer 2071 simultaneously on connecting rod 207 and be used for instructing scale mark 2021, it is more directly perceived, be provided with pull rod 209 at sealing plate 208 top, and then judge the 3 internal pressure sizes of plastic drum staving through the position condition that middle arch 202 observed piston plate 204, when 3 internal pressure of plastic drum staving was too big, the user upwards lifts connecting rod 207 through pull rod 209, can be used to the manual exhaust of the inside bloated of plastic drum staving 3, and the device has high practicability.

And those not described in detail in this specification are well within the skill of those in the art.

It is noted that, herein, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Large capacity plastic drum bung with prevent exhaust subassembly that expands, including plastic drum bung (1), its characterized in that: the plastic barrel comprises a plastic barrel cover (1), an expansion-preventing exhaust assembly (2) is fixedly mounted at the center of the plastic barrel cover (1), the expansion-preventing exhaust assembly (2) comprises an exhaust cavity (201), a middle bulge (202) is fixedly mounted at the middle section of the exhaust cavity (201), the exhaust cavity (201) and the middle bulge (202) are communicated with each other, an exhaust pipe (203) extending to the inner cavity of the plastic barrel body (3) is fixedly connected to the bottom of the exhaust cavity (201), a piston plate (204) is movably mounted in the exhaust cavity (201) and is located below the middle bulge (202), a spring (205) is fixedly connected between the top of the piston plate (204) and the inner wall of the top of the exhaust cavity (201), an exhaust hole (206) is formed in the top of the exhaust cavity (201), a connecting rod (207) is fixedly connected to the top of the piston plate (204), a sealing plate (208) is fixedly mounted at one end, extending out of the exhaust cavity (201), of the connecting rod (207) penetrates through the exhaust hole (206), a pull rod (209) is fixedly mounted to the top of the sealing plate (208), a base (210) is fixedly mounted to the outer wall of the exhaust cavity (201), and is connected to the middle bulge (2021) and is parallel to the outer wall of the plastic barrel body (2021), and each graduation line (2021) with the same number is provided with a plurality of sequentially arranged graduation values.

2. A large capacity plastic bucket lid with an anti-bulge vent assembly as defined in claim 1 wherein: and an indicating needle (2071) is fixedly arranged on the outer wall of the connecting rod (207).

3. A large capacity plastic bucket lid with an anti-bulge vent assembly as defined in claim 1 wherein: the middle bulge (202) is made of transparent glass or transparent plastic.

4. A large capacity plastic bucket lid with an anti-bulge vent assembly as defined in claim 1 wherein: the springs (205) are symmetrically distributed on two sides of the connecting rod (207), and the number of the springs (205) is at least 2.

5. A large capacity plastic bucket lid with an anti-bulge vent assembly as defined in claim 1 wherein: the inner walls of the exhaust cavity (201), the middle bulge (202) and the exhaust pipe (203) are uniformly coated with anticorrosive paint.

6. A large capacity plastic bucket lid with an anti-bulge vent assembly as defined in claim 1 wherein: the piston plate (204) and the sealing plate (208) are both made of natural rubber.

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