CN221139249U - Lining bag steel drum capable of exhausting air - Google Patents

Abstract

The utility model provides a steel drum with a lining bag, which relates to the technical field of steel drums with a lining bag and comprises a drum body, wherein a drum cover is arranged at the upper end of the drum body, a lining bag is arranged in the drum body, the lining bag is sleeved in the drum body and can be taken out, a lining bag cover is arranged at the lower part of the drum cover, the lining bag cover and the lining bag form a closed cavity for containing materials, an air suction hole is formed at the side part of the drum body, a sealing cavity is formed between the lining bag and the drum body, and the sealing cavity formed between the lining bag and the drum body is communicated with the air suction hole. According to the utility model, before the steel drum is used, after the lining bag is filled, air between the lining bag and the inner wall of the steel drum is pumped away through the air pumping hole, so that the lining bag is attached to the drum wall, no bubbles exist, the lining bag cannot be damaged, the damage problem generated during long-distance transportation is avoided, and the air pumping hole is better closed for operation and use, and the air pumping hole is operated and used through the adjusting device.

Description

Lining bag steel drum capable of exhausting air

Technical Field

The utility model relates to the technical field of lining bag steel barrels, in particular to a lining bag steel barrel capable of exhausting air and a manufacturing method thereof.

Background

The steel drum, the utensil of holding water or other things, the degree of depth is great, is made with metal, timber or plastics etc. the iron drum is as a practical tool, has very big rate of utilization, and is comparatively common in daily life.

The Chinese patent application CN107353783B discloses an environment-friendly long-acting anti-corrosion packaging steel drum, which comprises the following components in parts by weight: bisphenol A type epoxy resin, organosilicon modified epoxy resin, nano titanium dioxide, diatomite, tetrachlorophthalic anhydride, paraffin, propylene glycol, talcum powder, ethylene glycol, a thickening agent, a coupling agent, a surfactant, a defoaming agent and deionized water. Above-mentioned long-term anticorrosive packing steel drum of environmental protection still has following technical problem, is using the in-process to packing steel drum, will need hold the chemical product of different types to the condition that corrodes whole packing steel drum easily causes, and once the steel drum is inside to be corroded by chemical material, this steel drum just can't continue to use again, can only come out as the waste product, has greatly increased the burden of using the enterprise like this, and also increased consumption and the waste of steel material to a certain extent.

In chinese patent CN202021025756.9, an open steel drum with a split inner liner bag is also disclosed, and although the steel drum is filled with the inner liner bag, the steel drum has the effect of avoiding corrosion of the steel drum to a certain extent, but after the steel drum is filled with the inner liner bag, the inner liner bag cannot be completely attached to the inner wall of the steel drum, so that the inner liner bag can be bulged, and bubbles are generated, and when the steel drum is transported for a long distance, the weight of materials in the drum is very high, and long-time bumpy friction can cause the inner liner bag with bubbles to be damaged, and once the inner liner bag is damaged, the materials in the drum can flow into the space between the inner liner bag and the inner wall of the steel drum to corrode the steel drum, so that the meaning of putting the inner liner bag is lost.

Disclosure of utility model

The utility model aims to solve the defect that the lining bag in the prior art cannot be completely attached to the inner wall of a steel drum, so that the lining bag can be bulged, and damage can occur during long-distance transportation.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the novel barrel comprises a barrel body, wherein a barrel cover is arranged at the upper end of the barrel body, a lining bag is arranged in the barrel body, the lining bag is sleeved in the barrel body and can be taken out, a lining bag cover is arranged at the lower part of the barrel cover, the lining bag cover and the lining bag form a closed cavity for containing materials, an air pumping hole is formed in the side part of the barrel body, a sealing cavity is formed between the lining bag and the barrel body, and the sealing cavity formed between the lining bag and the barrel body is communicated with the air pumping hole.

Further: a threaded ring is arranged on the inner wall of the barrel body of the air suction hole, an adjusting device is arranged on the threaded ring and comprises a connecting frame and a barrel plug,

The connecting frame is arranged outside the threaded ring, a barrel plug penetrates through the inner wall of the connecting frame in a sliding mode, and the outer wall surface of the barrel plug is in threaded connection with the inner wall of the threaded ring.

By adopting the technical scheme, after the lining bag is filled into the steel drum before the steel drum is used, air between the lining bag and the inner wall of the steel drum is pumped away through the air pumping holes, so that the lining bag is attached to the drum wall, no air bubble exists, the lining bag cannot be damaged, the lining bag cannot be attached to the inner wall of the steel drum completely, the lining bag can be blown up, the lining bag is damaged during long-distance transportation, once the lining bag is damaged, chemical raw materials can permeate the drum wall, and the lining bag is used for better closing operation of the air pumping holes and is operated through the adjusting device.

By adopting the technical scheme, when the air extraction hole on the steel drum is operated and used, the air extraction hole formed in the drum body is utilized, the air extraction hole is fixed through the adjusting device and the threaded ring, the connecting frame and the drum plug are utilized for limiting threads, and finally the drum plug and the threaded ring are utilized for limiting and fixing, so that the air extraction device is fixed, and the air between the drum body and the lining bag can be effectively extracted through the air extraction hole.

Preferably, the auxiliary groove is formed in the surface of the barrel plug, the rotating holes are formed in two sides of the inner wall of the auxiliary groove, the same rotating rod is connected to the inner wall of the rotating hole in a rotating mode, and the arc surface of the rotating rod is sleeved with the protective sleeve.

By adopting the preferred scheme, the barrel plug is rotated better, an auxiliary groove formed in the barrel plug is utilized to rotate the rotating rod on the auxiliary groove, and the barrel plug is driven to rotate and seal through the rotating rod.

Preferably, the arc surfaces at the two ends of the rotating rod are sleeved with coil springs, and the two ends of each coil spring are fixedly connected with the surface of the rotating rod and the inner wall of the rotating hole respectively.

By adopting the preferred scheme, the position of the rotating rod can be effectively limited and fixed by the torsion force generated by the coil spring, and the falling off of the rotating rod on the barrel plug is avoided.

Preferably, still include closure assembly, closure assembly includes two locating frames, two one side that the locating frame is close to each other all with connecting frame fixed connection, the equal sliding connection of inner wall of locating frame has the locating plate, two the equal rotation in one side is kept away from each other to the locating plate is connected with the pivot, the arc surface of pivot runs through with the lateral wall screw thread of locating frame, the equal fixedly connected with of arc surface of pivot a plurality of auxiliary rod, a plurality of the auxiliary rod is the carbide pole.

By adopting the preferred scheme, after the air in the whole steel drum is evacuated by utilizing the air exhaust hole, in order to avoid entering the air when the air exhaust pipe is exhausted, the positioning plate in the positioning frame is moved by fixing and limiting the positioning frame on the connecting frame, and the rotating shaft on the positioning plate is rotated by utilizing the auxiliary rod, so that the positioning plates are in butt joint sealing, and the air is prevented from entering.

Preferably, both ends of the side wall of the positioning plate are fixedly connected with a limiting rod, the arc surface of the limiting rod is in sliding penetration with the side wall of the positioning frame, a sealing gasket is fixedly connected to one side, close to each other, of the positioning plate, and the sealing gasket is a rubber gasket.

By adopting the preferred scheme, the position deviation of the positioning plate can be effectively avoided through the limiting rod, and the sealing gasket on the positioning plate is utilized to increase the sealing performance.

Preferably, the axial length of the lining bag is greater than that of the barrel body, the surface of the lining bag is sequentially divided into a protective layer, a compression-resistant layer and a corrosion-resistant layer, the protective layer is a high-barrier aluminum foil layer, the compression-resistant layer is a high-density polyethylene layer, and the corrosion-resistant layer is a high-polymer synthetic fiber layer.

By adopting the preferred scheme, the high oxygen and water vapor barrier can be provided through the high-barrier aluminum foil layer, the static electricity accumulation can be reduced by the static electricity prevention layer, the chemical static electricity adhesion and the ignition opportunity of combustible materials are reduced, the lining bag can be improved by the high-density polyethylene layer and the high-molecular synthetic fiber layer, the lining bag is firm and durable, the high-density polyethylene layer and the high-molecular synthetic fiber layer have excellent solvent resistance, and the lining bag can be effectively operated and used better.

Preferably, the barrel comprises a barrel body and a barrel cover, and is characterized by further comprising a barrel hoop component for fixedly sealing the barrel cover and the barrel body, wherein the barrel hoop component comprises a fixed frame, the inner ring of the fixed frame is provided with a groove for clamping the edge of the barrel cover and the barrel body, the inner wall of the fixed frame is in surface butt joint with the lining bag, one end of the fixed frame is fixedly connected with an elastic strip, one end of the fixed frame, which is far away from the elastic strip, is fixedly connected with a connecting frame, the inner wall of the connecting frame is in sliding penetration with the surface of the elastic strip, the surface of the connecting frame is in sliding penetration with a movable rod, a plurality of connecting holes are formed in the surface of the elastic strip, the cross section size of each connecting hole is matched with the cross section size of the movable rod, a spring is sleeved on the circular arc surface of the movable rod, and two ends of the spring are respectively in fixed connection with the movable rod and the positioning frame, and one end of the movable rod is fixedly connected with a pull ring.

By adopting the technical scheme, when the position of the lining bag is fixed and limited, the corner of the lining bag at the upper end of the whole steel drum is fixed through the fixing frame at the moment more conveniently, the elastic strip on the fixing frame is utilized to slide with the connecting frame, the movable rod on the connecting frame is utilized to be plugged and limited with the connecting hole on the elastic strip, the whole lining bag is extruded and sealed, the position of the movable rod can be limited by the tensile force generated by the spring on the movable rod, and the falling of the movable rod is avoided.

Preferably, an insert is fixedly connected to one end, far away from the pull ring, of the movable rod, and the section of the insert is in a sharp cone shape.

By adopting the preferred scheme, when the movable rod is used for plugging with the connecting hole on the elastic strip, the plug can be plugged with the connecting hole more rapidly and limited through the conical plug.

Preferably, the inner wall of the fixed frame is fixedly connected with a squeeze pad, and the surface of the squeeze pad is abutted against the surface of the lining bag.

By adopting the preferable scheme, when the fixed frame is utilized to extrude and limit the inner lining bag, the sealing performance can be better increased through the extrusion pad made of rubber materials, and the inner lining bag is extruded and fixed.

The utility model also discloses a manufacturing method of the steel drum with the inner liner bag capable of exhausting, which comprises the following steps:

S1: sealing the bottom of the lining bag which is penetrated up and down to manufacture a lining bag with a closed bottom;

S2: two holes are punched on the lining bag cover: the first through hole and the second through hole are used for being matched with the first bung hole and the second bung hole on the bung respectively; the lining bag cover is arranged at the bottom of the barrel cover, and the first through hole and the second through hole of the lining bag cover are respectively fixed through the first adapter component and the second adapter component, so that the lining bag cover completely seals the bottom of the barrel cover;

S3: filling the lining bag manufactured in the step S1 into a steel drum through a lining bag mounting device, overturning the upper end of the lining bag downwards to the periphery to wrap the upper end edge of the drum body and sealing;

S4: the air between the lining bag and the inner wall of the barrel body is pumped away from the pumping hole through the external pumping device, and then the pumping hole is covered, so that the lining bag is attached to the inner wall of the barrel body without bubbles;

s5: the barrel cover is arranged on the barrel body and is fixed through the barrel hoop part, so that the installation process of the steel barrel with the air-extracting lining bag is completed.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. According to the utility model, before the steel drum is used, after the lining bag is filled, air between the lining bag and the inner wall of the steel drum is pumped away through the air pumping hole, so that the lining bag is attached to the drum wall, no bubbles exist, the lining bag cannot be damaged, the damage problem generated during long-distance transportation is avoided, and the air pumping hole is better closed for operation and use, and the air pumping hole is operated and used through the adjusting device.

2. According to the utility model, when the air suction hole on the steel drum is operated and used, the air suction hole and the threaded ring are utilized to fix, the connecting frame and the drum plug are utilized to conduct threaded limit, and finally the drum plug and the threaded ring are utilized to conduct limit fixing, so that the air suction hole on the drum body and the lining bag are effectively subjected to air suction operation, the auxiliary groove formed in the drum plug is utilized to conduct position rotation on the rotating rod on the auxiliary groove, the drum plug is driven to conduct rotary sealing through the rotating rod, the position of the rotating rod can be effectively limited and fixed through torsion force generated by the coil spring, falling of the rotating rod on the drum plug is avoided, after the air in the whole steel drum is evacuated through the air suction hole, in order to avoid air entering when the air suction pipe is pumped away, the rotating shaft on the positioning plate is rotated through the auxiliary rod through the fixed limit of the positioning frame on the connecting frame, the air entering between the positioning plates is avoided, and the sealing gasket is effectively prevented from being increased through the position offset of the positioning plate.

3. According to the utility model, the barrel hoop component is arranged, when the position of the lining bag is fixed and limited, in order to more conveniently fix the corner of the lining bag at the upper end of the whole steel barrel through the fixing frame, the elastic strip on the fixing frame is used for sliding with the connecting frame, then the moving rod on the connecting frame is used for splicing and limiting with the connecting hole on the elastic strip, so that the whole lining bag is extruded and sealed, the position of the moving rod can be limited by the tensile force generated by the spring on the moving rod, the falling of the moving rod is avoided, when the moving rod is spliced with the connecting hole on the elastic strip, the splicing and limiting can be carried out more quickly through the conical inserting block, and when the lining bag is extruded and limited through the fixing frame, the sealing performance can be better increased through the extrusion pad made of rubber materials, and the lining bag is extruded and fixed.

The whole steel drum is used as the cost of dangerous waste disposal after the packaging drum is used up, and the lining bag can be used as the dangerous waste disposal only after the lining bag is arranged, so that the dangerous waste disposal cost is greatly reduced, and the environmental pollution is reduced.

Drawings

FIG. 1 is a schematic perspective view of a steel drum with an air-extracting liner bag according to the present utility model;

FIG. 2 is a schematic diagram showing a three-dimensional disassembly structure of a steel drum with an air-extracting liner bag according to the present utility model;

FIG. 3 is a schematic view showing a three-dimensional partially disassembled structure of a steel drum with an air-extracting liner bag according to the present utility model;

FIG. 4 is a schematic diagram showing the structure of an adjusting device for a steel drum with an air-extracting liner bag according to the present utility model;

FIG. 5 is a schematic view showing a part of the structure of an adjusting device for a steel drum with an air-extracting liner bag according to the present utility model;

FIG. 6 is a schematic view showing a partial structure of a bung of a steel drum with an air-extracting liner bag according to the present utility model;

FIG. 7 is a schematic view showing a partial structure of a connecting frame of a steel drum with an air-extracting liner bag according to the present utility model;

FIG. 8 is a schematic view of a band member of a steel drum with an air-extracting liner bag according to the present utility model;

FIG. 9 is a schematic diagram showing the disassembly structure of the hoop components of a steel drum with an air-extracting liner bag according to the present utility model;

FIG. 10 is a schematic view showing a part of a hoop member of a steel drum with an air-extracting liner bag according to the present utility model;

FIG. 11 is a schematic structural view of a liner bag cover;

FIG. 12 is a schematic view of a first adapter assembly for a steel drum with an adapter liner bag according to the present utility model;

FIG. 13 is a schematic view showing a second adaptor assembly with a steel drum with a lining bag according to the present utility model;

fig. 14 is an exploded view of fig. 13.

Legend description: 1. a barrel cover; 2. a tub body; 3. a first adapter; 4. a second adapter; 5. an adjusting device; 501. an air suction hole; 502. a threaded ring; 503. a barrel plug; 504. a connection frame; 505. an auxiliary groove; 506. a rotating lever; 507. a protective sleeve; 508. a rotation hole; 509. a coil spring; 510. a closure assembly; 5101. a positioning frame; 5102. a positioning plate; 5103. a rotating shaft; 5104. an auxiliary lever; 5105. a limit rod; 5106. a sealing gasket; 6. a barrel collar component; 61. a fixed frame; 62. an elastic strip; 63. a squeeze pad; 64. a connection frame; 65. a moving rod; 66. a spring; 67. inserting blocks; 68. a pull ring; 69. a connection hole; 7. and (5) lining a bag.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Embodiment 1, as shown in fig. 1-3, has a tub body 2, a tub cover 1 is provided at the upper end of the tub body 2, a liner bag 7 is provided in the tub body 2, the liner bag 7 is sleeved in the tub body 2 and is removable, and the liner bag 7 is a cylindrical structure with a lower end closing an upper end opening. The lower part of the barrel cover 1 is provided with a lining bag cover 1-1, and the lining bag cover 1-1 and a lining bag 7 form a closed cavity for containing materials.

The lateral part of the barrel body 2 is provided with an air pumping hole 501, a sealing cavity is formed between the lining bag 7 and the barrel body 2, the sealing cavity formed between the lining bag 7 and the barrel body 2 is communicated with the air pumping hole 501, and an external air pumping device pumps air between the lining bag 7 and the barrel body 2 through the air pumping hole 501, so that the lining bag 7 is completely attached to the inner wall of the barrel body 2 without bubbles.

The barrel body inner wall is equipped with screwed ring 502 in the bleed hole 501 position, is equipped with adjusting device 5 on the screwed ring, and adjusting device includes connecting frame 504 and bung 503, and adjusting device 5 is used for adjusting when bleeding, makes outside air extraction device can take away the air between lining bag 7 and the barrel body 2 completely.

The connecting frame 504 is arranged outside the threaded ring, the inner wall of the connecting frame 504 penetrates through the barrel plug 503 in a sliding mode, and the outer wall surface of the barrel plug 503 is in threaded connection with the inner wall of the threaded ring 502.

The barrel cover 1 is provided with a first barrel opening 1-2 and a second barrel opening 1-3, and a first through hole 101 and a second through hole 102 for filling materials are respectively arranged on the liner bag cover 1-1 at positions corresponding to the first barrel opening 1-2 and the second barrel opening 1-3 as shown in the combined figure 11. The first barrel port 1-2 is provided with a first adapter 3, and the second barrel port 1-3 is provided with a second adapter 4.

The specific arrangement and function of its adjusting means 5, the bung-hoop component 6 will be described in detail below.

As shown in fig. 4, 5, 6 and 7, the adjusting device 5 comprises a closing component 510 and an air suction hole 501, the air suction hole 501 is formed on the side wall of the barrel body 2, the inner wall of the air suction hole 501 is fixedly connected with a threaded ring 502, the inner wall of a connecting frame 504 is penetrated with a barrel plug 503 in a sliding manner, one end arc surface of the barrel plug 503 is in threaded connection with the inner wall of the threaded ring 502, an auxiliary groove 505 is formed on the surface of the barrel plug 503, both sides of the inner wall of the auxiliary groove 505 are provided with rotating holes 508, the inner wall of the rotating holes 508 is rotationally connected with the same rotating rod 506, the arc surface of the rotating rod 506 is sleeved with a protective sleeve 507, both ends of the rotating rod 506 are sleeved with coil springs 509, both ends of the coil springs 509 are fixedly connected with the surface of the rotating rod 506 and the inner wall of the rotating hole 508 respectively, the closing component 510 comprises two positioning frames 5101, one side of each positioning frame 5101, which is close to each other, is fixedly connected with the connecting frame 504, the inner wall of locating frame 5101 all sliding connection has locating plate 5102, two locating plates 5102 keep away from one side each other and all rotate and be connected with pivot 5103, the arc surface of pivot 5103 runs through with locating frame 5101's lateral wall screw thread, the equal fixedly connected with of arc surface of pivot 5103 a plurality of auxiliary rod 5104, a plurality of auxiliary rod 5104 is the carbide pole, the equal fixedly connected with gag lever post 5105 in locating plate 5102's lateral wall both ends, gag lever post 5105's arc surface all runs through with locating frame 5101's lateral wall is sliding, locating plate 5102 is close to one side all fixedly connected with sealing gasket 5106 each other, sealing gasket 5106 is the rubber pad, the diameter of lining bag 7 and barrel body 2's internal diameter size looks adaptation, the surface of lining bag 7 divide into the protective layer in proper order, compressive layer and corrosion-resistant layer, the protective layer is high barrier aluminium foil layer, the compressive layer is high density polyethylene layer, corrosion-resistant layer is polymer synthetic fiber layer.

The effect that its whole adjusting device 5 reached is, utilize the gas vent 501 of seting up on the bucket body 2, let gas vent 501 and screwed ring 502 fix, reuse linking box 504 carries out the screw thread spacing with the bung 503, carry out spacing fixedly through bung 503 and screwed ring 502 at last, thereby carry out the operation of bleeding to gas vent 501 on the bucket body 2 and inside lining bag 7 effectively, in order to rotate bung 503 better, utilize the auxiliary tank 505 of seting up on bung 503 this moment, carry out the rotation in position to the dwang 506 on the auxiliary tank 505, thereby drive bung 503 through dwang 506 and carry out rotary seal, can carry out spacing fixedly to the position of dwang 506 through the torsional force that coil spring 509 produced effectively, avoid droing of dwang 506 on bung 503, after evacuating whole steel drum with gas vent 501, in order to avoid when taking out the extraction tube, the entering of air, at this moment, through the fixed spacing of locating frame 5101 on linking box 504, let the removal of locating plate 2 position in locating plate 5101, thereby carry out the butt joint plate 5104 and carry out the rotation of the position of rotating plate 5102, thereby prevent the relative position plate 5102 from carrying out the butt joint between the utilization of the rotating plate 5104.

As shown in fig. 8, 9 and 10, the position of the circular arc surface of the barrel body 2 corresponding to the lining bag 7 is provided with a barrel hoop component 6, the barrel hoop component 6 comprises a fixed frame 61, the inner wall of the fixed frame 61 is in butt joint with the surface of the lining bag 7, one end of the fixed frame 61 is fixedly connected with an elastic strip 62, one end of the fixed frame 61 away from the elastic strip 62 is fixedly connected with a connecting frame 64, the inner wall of the connecting frame 64 is in sliding penetration with the surface of the elastic strip 62, the surface of the connecting frame 64 is in sliding penetration with a moving rod 65, the surface of the elastic strip 62 is provided with a plurality of connecting holes 69, the cross section size of the plurality of connecting holes 69 is matched with the cross section size of the moving rod 65, the circular arc surface of the moving rod 65 is sleeved with a spring 66, two ends of the spring 66 are respectively fixedly connected with the moving rod 65 and the positioning frame 5101, one end of the moving rod 65 is fixedly connected with a pull ring 68, one end of the moving rod 65 away from the pull ring 68 is fixedly connected with an inserting block 67, the cross section of the inserting block 67 is in sharp taper shape, the inner wall of the fixed frame 61 is fixedly connected with a squeezing pad 63, and the surface of the squeezing pad 63 is in butt joint with the surface of the lining bag 7.

The effect that its whole ladle hoop part 6 reached is, fix the lining bag 7 corner of whole steel drum upper end through fixed frame 61, utilize elastic strip 62 on the fixed frame 61 to slide with linking frame 64, the movable rod 65 on the rethread linking frame 64 is pegged graft spacing with linking hole 69 on the elastic strip 62, thereby extrude sealed to whole lining bag 7, and the produced pulling force of spring 66 on the movable rod 65 can be spacing to the position of movable rod 65, avoid the drop of movable rod 65, when pegging graft with linking hole 69 on the elastic strip 62 with the movable rod 65, peg graft spacing with linking hole 69 through the interpolation piece 67 of coniform more swiftly, when utilizing fixed frame 61 to extrude spacing to lining bag 7, can increase the leakproofness better through rubber material's extrusion pad 63, extrude fixedly to lining bag 7.

Example 2, on the basis of example 1,

Its holistic theory of operation does, before using the steel drum, pack into lining bag 7 after, take away the air between lining bag 7 and the steel drum inner wall through the gas vent 501, make lining bag 7 and the laminating of barrel wall, there is not the bubble, lining bag 7 just can not be damaged, originally do not have the product of gas vent 501, lining bag 7 and steel drum inner wall can not laminate completely, lead to lining bag 7 to bulge, there is the damage in long-distance transportation, in case lining bag 7 is damaged, the industrial chemicals will infiltrate the barrel wall, in order to carry out closed operation to gas vent 501 better and use, operate the use through adjusting device 5.

When the position of the lining bag 7 is fixed and limited, in order to be more convenient, the corner of the lining bag 7 at the upper end of the whole steel drum is fixed through the fixing frame 61, the elastic strip 62 on the fixing frame 61 and the connecting frame 64 are utilized to slide, the moving rod 65 on the connecting frame 64 and the connecting hole 69 on the elastic strip 62 are utilized to conduct plugging limiting, so that the whole lining bag 7 is extruded and sealed, the position of the moving rod 65 can be limited by the pulling force generated by the spring 66 on the moving rod 65, falling of the moving rod 65 is avoided, when the moving rod 65 and the connecting hole 69 on the elastic strip 62 are utilized to conduct plugging limiting, the plugging limiting can be conducted with the connecting hole 69 more quickly through the conical plug 67, and when the fixing frame 61 is utilized to conduct extrusion limiting on the lining bag 7, the sealing performance can be better increased through the extrusion pad 63 made of rubber materials, and the lining bag 7 is extruded and fixed.

With continued reference to fig. 12-14, in another preferred embodiment, a first adapter assembly 31 is provided at the first bung 1-2, and the first adapter assembly 31 includes a bung flange 311, where the bung flange 311 is fixedly connected to a surface of the bung 1, and preferably, the bung flange 311 is integrally formed with the bung 1.

The inner wall bottom fixedly connected with inside lining bag transfer connection 312 of bung hole flange 311, the inner wall threaded connection of inside lining bag transfer connection 312 has bung 313, the even fixedly connected with four protruding pieces 314 of inner wall of bung 313. The four protruding blocks 314 allow the inner wall of the tub stopper 313 to have protrusions, which has the effect of facilitating the opening of the tub stopper 313 by a tool having a shape matching with the inner wall of the tub stopper 313, but is difficult to open if the inner wall of the tub stopper 313 is uniformly circular.

The second adaptor assembly 32 is arranged at the second bung hole 1-3, the second adaptor assembly 32 comprises a second through frame 323, the second through frame 323 is fixedly connected with the surface of the bung 1, and optimally, the second through frame 323 and the bung 1 are integrally formed.

The inner wall bottom fixedly connected with holding ring 324 of second link up frame 323, the inner wall threaded connection of holding ring 324 has movable stopper 322, and the upper end surface joint of movable stopper 322 has block 321, and the arc surface fixedly connected with sealing washer 325 of movable stopper 322, the spread groove 326 has been seted up to the upper end surface of movable stopper 322, and the cross-section of spread groove 326 is the cross. The cross-shaped attachment slot 326 also serves to facilitate opening of the movable plug 322.

The periphery of the first through hole 101 of the liner bag cover 1-1 is fixed between the bung flange 311 and the liner bag transfer port 312, and the periphery of the second through hole 102 of the liner bag cover is fixed between the second through frame 323 and the positioning ring 324. Therefore, the structural design of the first adapter component 31 and the second adapter component 32 of this embodiment not only can be conveniently opened, but also firmly fix the two through holes of the lining bag cover through the two adapter components, so that the lining bag cover and the barrel cover are connected together and cannot be randomly displaced, an injection channel for injecting chemical materials is formed at the first barrel opening 1-2, and an exhaust channel for exhausting is formed at the second barrel opening 1-3.

The barrel hoop part 6 is used for fixing and sealing the edges of the barrel cover 1 and the barrel body 2, the lining bag cover 1-1 shields the metal part of the bottom surface of the barrel cover 1 completely, the barrel cover is prevented from being corroded by direct contact of chemical raw materials, and the lining bag cover 1-1 can be removed after being used once and is used continuously. The lining bag cover 1-1 is also in contact sealing with the lining bag 7, chemical raw materials are contained in the lining bag cover, and the bucket hoop component 6 can seal the lining bag cover 1-1 and the lining bag 7 while fixedly sealing the bucket cover 1 and the bucket body 2.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model will still fall within the protection scope of the technical solution of the present utility model.

Claims (9)

1. The utility model provides a lining bag steel drum that can bleed, has barrel body (2), the upper end of barrel body (2) is provided with bung (1), its characterized in that: a lining bag (7) is arranged in the barrel body (2), the lining bag (7) is sleeved in the barrel body and can be taken out, a lining bag cover (1-1) is arranged at the lower part of the barrel cover, the lining bag cover (1-1) and the lining bag (7) form a closed cavity for containing materials,

The lateral part of the barrel body (2) is provided with an air suction hole (501),

A sealing cavity is formed between the lining bag (7) and the barrel body (2), and the sealing cavity formed between the lining bag (7) and the barrel body (2) is communicated with the air suction hole (501).

2. An air-evacuable liner bag steel drum in accordance with claim 1, wherein: a threaded ring (502) is arranged on the inner wall of the barrel body of the air suction hole (501), an adjusting device (5) is arranged on the threaded ring, the adjusting device comprises a connecting frame (504) and a barrel plug (503),

The connecting frame (504) is arranged outside the threaded ring, a barrel plug (503) is penetrated through the inner wall of the connecting frame (504) in a sliding manner, and the outer wall surface of the barrel plug (503) is in threaded connection with the inner wall of the threaded ring (502).

3. An air-evacuable liner bag steel drum as set forth in claim 2 wherein: the outer end surface of the barrel plug (503) is provided with an auxiliary groove (505), both sides of the inner wall of the auxiliary groove (505) are provided with rotating holes (508), the inner wall of each rotating hole (508) is rotationally connected with the same rotating rod (506), and the arc surface of each rotating rod (506) is sleeved with a protective sleeve (507).

4. A steel drum with air-extracting lining bag according to claim 3, characterized in that: coil springs (509) are sleeved on arc surfaces at two ends of the rotating rod (506), and two ends of the coil springs (509) are fixedly connected with the surface of the rotating rod (506) and the inner wall of the rotating hole (508) respectively.

5. An air-evacuable liner bag steel drum in accordance with claim 1, wherein: still including closure subassembly (510), closure subassembly (510) include two locating frame (5101), two one side that locating frame (5101) is close to each other all with connecting frame (504) fixed connection, the equal sliding connection of inner wall of locating frame (5101) has locating plate (5102), two locating plate (5102) keep away from one side each other all to rotate and be connected with pivot (5103), the arc surface of pivot (5103) runs through with the lateral wall screw thread of locating frame (5101), the arc surface of pivot (5103) all fixedly connected with a plurality of auxiliary rod (5104), a plurality of auxiliary rod (5104) are the carbide pole.

6. The steel drum with the air-extracting lining bag as claimed in claim 5, wherein: the utility model discloses a locating plate, including locating plate (5102), sealing pad (5106) is sealed, locating plate (5102)'s lateral wall both ends all fixedly connected with gag lever post (5105), the arc surface of gag lever post (5105) all runs through with the lateral wall slip of locating frame (5101), one side that locating plate (5102) is close to each other all fixedly connected with sealing pad (5106), sealing pad (5106) is the rubber pad.

7. An air-evacuable liner bag steel drum in accordance with claim 1, wherein: the axial length of the lining bag (7) is greater than that of the barrel body (2), the surface of the lining bag (7) is sequentially divided into a protective layer, a compression-resistant layer and a corrosion-resistant layer, the protective layer is a high-barrier aluminum foil layer, the compression-resistant layer is a high-density polyethylene layer, and the corrosion-resistant layer is a high-molecular synthetic fiber layer.

8. An air-evacuable liner bag steel drum in accordance with claim 1, wherein: still including being used for with bung and barrel body fixed seal's bung hoop part (6), bung hoop part (6) are including fixed frame (61), the inner circle of fixed frame (61) is equipped with the recess that is used for blocking bung and barrel body border, the inner wall of fixed frame (61) and the surface looks butt of inside lining bag (7), the one end fixedly connected with elastic strip (62) of fixed frame (61), the one end fixedly connected with linking frame (64) of elastic strip (62) are kept away from to fixed frame (61), the inner wall of linking frame (64) runs through with the surface slip of elastic strip (62), the surface slip of linking frame (64) runs through there is movable rod (65), a plurality of linking hole (69) have been seted up on elastic strip (62) surface, a plurality of linking hole (69) cross-sectional dimension looks adaptation with movable rod (65), the circular arc face cover of movable rod (65) has spring (66), the both ends of spring (66) respectively with movable rod (65) and locating frame (1) fixed connection has pull ring (68).

9. The steel drum with air-extracting lining bags according to claim 8, wherein: an insert block (67) is fixedly connected to one end of the moving rod (65) far away from the pull ring (68), the section of the insert block (67) is in a sharp cone shape,

The inner wall of the fixed frame (61) is fixedly connected with a squeeze pad (63), and the surface of the squeeze pad (63) is abutted to the surface of the lining bag (7).