CN219950447U - Liquid storage bucket bung opening device - Google Patents

Abstract

The utility model relates to a liquid charging bucket barrel cover opening device, which comprises an anti-slip pad, wherein the anti-slip pad is arranged on the inner cambered surfaces of a movable clamping plate and a fixed clamping plate, and two sides of the fixed clamping plate are connected with a fixed rod fixed in a base; the two sides of the movable clamping plate are provided with sliding lugs and connecting bolts, and the movable rod is connected between the movable clamping plate and the pedal through the connecting bolts; the sliding lugs on two sides of the movable clamping plate are sleeved outside the fixed rod and can move back and forth along the fixed rod under the drive of the movable rod and the pedal, so that the liquid charging basket is clamped between the movable clamping plate and the fixed clamping plate; the bottom of the pedal fixed at one end of the base is provided with a spring, the other end of the base is fixed with a bracket, and a push rod is arranged in the bracket; the lower part of the push rod is connected with a barrel cover hook, and after the push rod is pressed down, the barrel cover hook can be hooked at the lower edge of the barrel cover of the liquid charging bucket which is fixed between the movable clamping plate and the fixed clamping plate. The operation of opening the barrel cover is easy and convenient, and the device is particularly suitable for opening the liquid barrel used in the petroleum drilling and repairing operation site.

Description

Liquid storage bucket bung opening device

Technical Field

The utility model relates to an opening device of a chemical raw material barrel, in particular to a barrel cover opening device of a liquid barrel.

Background

In the workover site of the petroleum industry, most of the raw material barrels in common use are 20 liter barrels, such as: hydraulic oil barrels, paint barrels, antifreeze barrels, oil barrels, grease barrels, and the like. The variety of the barreled raw materials is large, and the dosage of the barreled raw materials in the drilling and repairing operation site is large.

When the barrel cover of the charging barrel is opened, the common practice is that firstly, sealing strips between the barrel covers and barrel bodies of various charging barrels are torn off, and then the barrel covers are pried open by tools such as flat-mouth screwdrivers, nipper pliers and the like. Because the tightness of various barrel covers is strong, the material toughness is high, time and labor are wasted in the uncapping process, the damage of the barrel body and the barrel cover is easy to occur, the outflow of liquid raw materials and the pollution of the environment are easy to cause, and even the damage to human bodies is caused.

Therefore, it is necessary to invent a barrel cover opening device which is convenient for manual operation to open the barrel cover without damaging the barrel body.

In order to solve the problem of opening the bucket cover, the following related patent technologies have appeared: 1. the utility model disclosed in patent number CN201620472843.6 is a simple barrel cover opener, the simple barrel cover opener comprises an installation fixing plate and a handle pull ring, the two sides of the lower end of the installation fixing plate are symmetrically provided with support fixing plates, the upper end of each fixing support plate is provided with the handle pull ring, the upper end of the installation fixing plate below the handle pull ring is provided with a driving motor, the driving motor is electrically connected with a control button arranged on the handle pull ring, a speed reducer is arranged between the driving motor and the installation fixing plate, the output end of the speed reducer is provided with a rotating shaft, the lower end of the rotating shaft penetrates through the installation fixing plate, the lower end of the rotating shaft is provided with a solid sleeve, the fixing sleeve is in sliding connection with the rotating shaft through a spline, and four opening cross bars are distributed outside the lower end of the fixing sleeve in an array manner.

Said utility model is simple and reasonable in structure, and can conveniently open ink barrel cover. The device adopts motor drive, has the potential safety hazard in petroleum drilling and well repairing operation scene use.

2. The novel barrel cover opening tool disclosed in the patent number CN201120009310.1 comprises an opening end and a handle connected with the opening end, wherein a first U-shaped structure is arranged above the opening end, a second U-shaped structure is arranged below the opening end, and the handle is fixed between the first U-shaped structure and the second U-shaped structure.

Said invented tool is convenient for use and safe. However, the tool is not suitable for uncapping a raw material barrel in a petroleum drilling and workover site.

3. Patent number: the utility model discloses a barrel cover opening tool, which is disclosed in CN201420171269.1, and comprises a handle, a straight rod, fork legs, a small barrel opening device and a large barrel opening device, wherein the handle is fixed with one end of the straight rod, the fork legs are fixed with the other end of the straight rod, the small barrel opening device and the large barrel opening device are respectively fixed with two ends of the fork legs, the large barrel opening device is used for opening or screwing a large-caliber threaded cover on a barrel, and the small barrel opening device is used for opening or screwing a small-caliber threaded cover on the barrel.

The barrel cover opening tool is convenient for opening or screwing the barrel cover of the charging barrel placed below the operation surface, and an operator does not need to bend down or squat down to operate, so that the barrel cover opening tool is simple in structure and convenient to use, thereby reducing the labor intensity and improving the labor efficiency. But the tool is not suitable for uncapping a charging basket at the petroleum drilling and repairing operation site.

4. Patent number: CN202121002962.2 discloses a multifunctional tool for opening a barrel cover and moving a barrel body, which belongs to the technical field of tools for opening a cover of a chemical barrel, and discloses a multifunctional tool for opening a barrel cover and moving a barrel body, and the multifunctional tool comprises a base frame, wherein four mounting grooves are formed in the base frame in an annular array, the inside of each mounting groove is fixedly connected with a first spring, one end of each first spring is fixedly connected with a connecting rod, one end of each connecting rod extends to the outside of the base frame is fixedly connected with a clamping plate, the bottom of the base frame is fixedly connected with a bottom plate, and the top of the base frame is fixedly connected with a supporting rod.

Said utility model uses the base frame to be placed over the chemical barrel to press, and can make the chemical barrel squeeze and push four clamping plates, and uses four first springs to pull four connecting rods, and uses four connecting rods to pull four clamping plates, so that the clamping plates can be propped against the chemical barrel, and the device can be regulated according to the chemical barrel, and can be used for moving chemical barrels with different specifications so as to attain the effect of raising application range of the device. But the tool is not suitable for uncapping a charging basket at the petroleum drilling and repairing operation site.

5. Patent number: CN201120361374.8, said utility model relates to a barrel-opening wrench for packaging barrel of chemical product. The barrel cover opening device comprises a handle, a large panel and a small panel, wherein the large panel and the small panel are symmetrically and fixedly arranged at the front end of the handle, a large plate page is arranged on one side, far away from the handle, of the large panel, and a small plate page is arranged on one side, far away from the handle, of the small panel. When the novel bucket cover is used, the large plate page or the small plate page is placed in the bucket cover, and then the handle is rotated on the horizontal plane, so that the bucket cover can be easily screwed or opened, and the novel bucket cover is convenient to use.

Said utility model can open two kinds of barrel covers, and is simple in structure, convenient for use, and can prevent human body from directly contacting with chemical raw material, and can protect chemical raw material and human body safety, and can be extensively used in enterprise production field. But the tool is not suitable for uncapping a charging basket at the petroleum drilling and repairing operation site.

6. Patent number: the utility model discloses a multifunctional tool for opening a barrel cover and moving a barrel body, which relates to the technical field of raw material barrels, in particular to a multifunctional tool for opening a barrel cover and moving a barrel body, and comprises a rod body, wherein the upper end of the rod body is provided with a clamping device, the clamping device comprises an outer sleeve ring, a channel is formed in the outer sleeve ring, an embedded ring is embedded in the channel, a locking notch is formed in the outer side of the embedded ring, a threaded hole is formed in the outer side of the outer sleeve ring, a locking bolt is arranged in the threaded hole, the locking bolt is matched with the locking notch for use, an outer clamping opening is formed in the lower end face of the outer sleeve ring, an inner clamping ring is arranged on one side of the outer clamping opening, and the inner clamping ring and the outer sleeve ring are integrally formed; said utility model can implement a multi-purpose, and is convenient for worker to use, and can open large cover and small cover of 200L barrel, also can open other barrel covers, and its application range is extensive, and can save time, and can raise production efficiency, at the same time can move barrel body in short distance. But the tool is not suitable for uncapping a charging basket at the petroleum drilling and repairing operation site.

7. Patent number: the utility model discloses a multifunctional barrel cover opener in CN201020112504.X, which is characterized in that an F-shaped wrench body is arranged, at least a first lug and a second lug which are parallel to each other and keep a space are integrally formed at the upper edge of the front end of a grab handle, a hook pull rod and a support rod which are parallel to each other and have a containing gap are integrally formed at the lower edge of the front end of the grab handle, and a hook part and a lug are formed at the inner edge of the hook pull rod; the cover opening or cover locking operation can be respectively carried out by the first lug, the second lug and the first lug for the big liquid inlet and outlet hole lock cover and the small vent hole lock cover of the fifty-gallon barrel, and the cover opening action of lifting the cover can be carried out by the holding gap for holding the barrel cover in a state that the supporting rod is propped against the upper part of the barrel cover for the cover-closing type five-gallon barrel and enabling the hook part of the hook pull rod to be hooked on the edge of the barrel cover; by virtue of the benefit that a single tool is applicable to multiple barrel covers, the inconvenience of preparing multiple tools is reduced. But the tool is not suitable for uncapping a charging basket at the petroleum drilling and repairing operation site.

Disclosure of Invention

The utility model aims to provide a liquid charging bucket barrel cover opening device which is convenient for opening a liquid charging bucket barrel cover, ensures the integrity of a barrel body, ensures that liquid materials in the barrel are not leaked, avoids the waste of construction operation raw materials, ensures the use safety in a production field, prevents environmental pollution and improves the working efficiency.

The technical scheme of the utility model is as follows: the utility model provides a liquid storage bucket bung opening device includes slipmat, wherein: the inner cambered surfaces of the movable clamping plate and the fixed clamping plate are provided with anti-slip pads, and two sides of the fixed clamping plate are connected with a fixed rod fixed in the base; the two sides of the movable clamping plate are provided with sliding lugs and connecting bolts, and the movable rod is connected between the movable clamping plate and the pedal through the connecting bolts; the sliding lugs on two sides of the movable clamping plate are sleeved outside the fixed rod and can move back and forth along the fixed rod under the drive of the movable rod and the pedal, so that the liquid charging basket is clamped between the movable clamping plate and the fixed clamping plate; the bottom of the pedal fixed at one end of the base is provided with a spring, the other end of the base is fixed with a bracket, and a push rod is arranged in the bracket; the lower part of the push rod is connected with a barrel cover hook, and after the push rod is pressed down, the barrel cover hook can be hooked at the lower edge of the barrel cover of the liquid charging bucket which is fixed between the movable clamping plate and the fixed clamping plate.

Preferably, the inner diameter formed by the inner cambered surfaces of the movable clamping plate and the fixed clamping plate is smaller than or equal to the outer diameter of the liquid charging basket.

Preferably, the inner diameter formed by the inner cambered surfaces of the movable clamping plate and the fixed clamping plate is larger than or equal to the outer diameter of the liquid charging basket.

Preferably, the sliding lugs on two sides of the movable clamping plate are arranged above the connecting bolts.

Preferably, the spring 10 is arranged on the outer side of the pedal and is fixed between the pedal and the base; the pedals are of a ladder lattice structure.

Preferably, the inner side of the pedal is provided with a rotating shaft and is connected with shaft brackets fixed on two sides of the base through the rotating shaft, and the movable rod is connected with a connecting rod fixed on the rotating shaft through a connecting bolt.

Preferably, the distance between the fixed clamping plate and the movable clamping plate is larger than the outer diameter of the liquid charging basket in the free state of the spring.

Preferably, the lower end of the barrel cover hook is of an arc structure with the same direction as the intrados of the fixed clamping plate and is provided with a hook tooth, and the hook tooth is a petal-shaped tooth.

Preferably, the barrel cover hook is fixed below the push rod through a hanging ring, and an included angle of 12-18 degrees is formed between the fixed barrel cover hook and the central line of the liquid barrel fixed between the movable clamping plate and the fixed clamping plate.

Preferably, the push rod is a T-shaped rod, a cross rod in the T-shaped rod is connected in a shaft sleeve at the top of the bracket, and a plastic handle sleeve is arranged at the other end of the T-shaped rod.

Compared with the prior art, the utility model has the remarkable use effects that: 1. the utility model is especially suitable for opening large-batch liquid barrels in the petroleum industry drilling and repairing operation site.

2. The utility model is suitable for the wide range of the liquid charging bucket which is opened, is larger than, equal to or smaller than the inner diameter formed by the inner cambered surfaces of the fixed clamping plate and the movable clamping plate, is particularly suitable for the liquid charging bucket which is between 20 liters and 60 liters, and the operation of opening the bucket cover is easy and convenient.

3. According to the utility model, the inner cambered surface formed by the fixed clamping plate and the movable clamping plate clamps the liquid charging barrel, the contact area between the inner cambered surface and the liquid charging barrel is large, the possibility of clamping and explosion of the liquid charging barrel is avoided, and the liquid in the inner cambered surface does not leak.

4. The production raw materials are saved, the environmental pollution is prevented, and the cleanliness and sanitation of the construction operation site are improved while the use safety is ensured.

5. According to the utility model, the liquid charging bucket is clamped by stepping on the pedal, and the bucket cover is opened by pushing the push rod upwards, so that the whole opening process is convenient and quick, and the working efficiency is remarkably improved.

6. The utility model solves various difficulties encountered when a large number of liquid charging barrels are opened, and has obvious use effect and application value.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1 is a schematic structural view of the present utility model.

In the figure: push rod 1, link 2, bung hook 3, fixed splint 4, movable splint 5, movable rod 6, dead lever 7, support 8, footboard 9, spring 10, base 11, slip ear 12, connecting bolt 13, axle sleeve 14, pedestal 15, slipmat 16.

Detailed Description

The drawings are for reference and illustration purposes only and are not intended to limit the scope of the present utility model. The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1, a liquid bowl cover opening device comprises a slipmat 16, wherein: an anti-slip pad 16 is arranged on the inner cambered surfaces of the movable clamping plate 5 and the fixed clamping plate 4, and two sides of the fixed clamping plate 4 are connected with a fixed rod 7 fixed in a base 11; the two sides of the movable clamping plate 5 are provided with sliding lugs 12 and connecting bolts 13, and the movable rod 6 is connected between the movable clamping plate 5 and the pedal 9 through the connecting bolts 13; the sliding lugs 12 at two sides of the movable clamping plate 5 are sleeved outside the fixed rod 7 and can move back and forth along the fixed rod 7 under the drive of the movable rod 6 and the pedal 9, so that the liquid charging basket is clamped between the movable clamping plate 5 and the fixed clamping plate 4; the bottom of the pedal 9 fixed at one end of the base 11 is provided with a spring 10, the other end of the base 11 is fixed with a bracket 8, and the push rod 1 is arranged in the bracket 8; the lower part of the push rod 1 is connected with a barrel cover hook 3, and after the push rod 1 is pressed down, the barrel cover hook 3 can be hooked at the lower edge of the barrel cover of the liquid charging barrel fixed between the movable clamping plate 5 and the fixed clamping plate 4.

According to the utility model, the movable rod 6 is pulled by the pedal 9 to drive the movable clamping plate 5 to move towards the fixed clamping plate 4 along the fixed rod 7, so that a liquid charging basket placed between the movable clamping plate 5 and the fixed clamping plate 4 is clamped; the push rod 1 is pressed down, and the barrel cover of the liquid barrel is uncovered upwards by utilizing the barrel cover hook 3 arranged below the push rod 1. The whole liquid charging basket is easy and convenient to open, solves the problems that the dosage of the barreled liquid raw materials is large and the barrel cover is difficult to open in the drilling and repairing operation site of the petroleum industry and other production sites with large dosage of the barreled liquid raw materials, and effectively improves the working efficiency. Meanwhile, the problems of breakage, raw material waste and environmental pollution of the liquid charging basket in the opening process are also prevented, and the use effect is remarkable.

On the basis of the first embodiment, the present utility model also has the following embodiments: one preferred embodiment is: the inner diameter formed by the inner cambered surfaces of the movable clamping plate 5 and the fixed clamping plate 4 is smaller than or equal to the outer diameter of the liquid charging basket. The liquid charging bucket placed between the movable clamping plate 5 and the fixed clamping plate 4 can be fixed in multiple points, and the opening of the liquid charging bucket barrel cover is ensured to be convenient and effective.

One preferred embodiment is: the inner diameter formed by the inner cambered surfaces of the movable clamping plate 5 and the fixed clamping plate 4 is larger than or equal to the outer diameter of the liquid charging basket. The liquid charging bucket placed between the movable clamping plate 5 and the fixed clamping plate 4 can be fixed in a multi-point manner, so that the opening of the liquid charging bucket barrel cover is convenient and effective.

One preferred embodiment is: the sliding lugs 12 on both sides of the movable clamping plate 5 are arranged above the connecting bolts 13. When the connecting bolt 13 drives the movable clamping plate 5 to move towards the fixed clamping plate 4, the sliding lugs 12 positioned at the upper position play a role in guiding and righting at the same time, so that the movable clamping plate 5 can move more smoothly.

One preferred embodiment is: the spring 10 is arranged on the outer side of the pedal 9 and is fixed between the pedal 9 and the base 11; the pedal 9 is of a ladder structure, and can prevent an operator from skidding when stepping on the pedal.

One preferred embodiment is: the inner side of the pedal 9 is provided with a rotating shaft and is connected with shaft brackets 15 fixed on two sides of the base 11 through the rotating shaft, and the movable rod 6 is connected with a connecting rod fixed on the rotating shaft through a connecting bolt 13. When the outer side of the pedal 9 is stepped on, after the spring 10 is compressed, the connecting rod on the rotating shaft drives the movable rod 6 to move towards the fixed clamping plate 4, so that the liquid charging basket is clamped.

One preferred embodiment is: the spring 10 is in the free state, and the distance between fixed splint 4 and movable splint 5 is greater than the external diameter of liquid storage bucket, conveniently puts the liquid storage bucket between fixed splint 4 and movable splint 5, and the convenience of taking.

One preferred embodiment is: the lower end of the bucket cover hook 3 is of an arc structure with the same direction as the intrados of the fixed clamping plate 4 and is provided with hook teeth which are petal-shaped teeth. The arc structure and the hook teeth at the lower end of the bucket cover hook 3 can increase the contact area with the liquid bucket, increase the upward uncovering force and easily open the bucket cover of the liquid bucket.

One preferred embodiment is: the barrel cover hook 3 is fixed below the push rod 1 through a hanging ring 2, for example, welding or bolt fastening is carried out, and the fixed barrel cover hook 3 forms an included angle of 12-18 degrees with the center line of the barrel body of the liquid barrel fixed between the movable clamping plate 5 and the fixed clamping plate 4. The angle between the barrel cover hook 3 and the central line of the barrel body of the liquid material barrel mainly depends on the inclination angle of the body of the barrel cover hook 3 and the hook teeth at the lower end.

One preferred embodiment is: the push rod 1 is a T-shaped rod, a cross rod in the T-shaped rod is connected in a shaft sleeve 14 at the top of the support 8, a plastic handle sleeve is arranged at the other end of the T-shaped rod, the push rod 1 is anti-skid and convenient to operate, and the push rod 1 installed in the shaft sleeve 14 can freely rotate and is flexible to operate.

The application method and the operation process of the utility model are as follows: 1. after the sealing strip of the liquid charging bucket barrel cover is removed, the liquid charging bucket is placed between the fixed clamping plate 4 and the movable clamping plate 5.

2. The push rod 1 is pressed down, and the hook teeth of the bucket cover hook 3 are hung on the lower edge of the bucket cover.

3. The pedal 9 and the compression spring 10 are lightly trampled, when the pedal 9 descends, the movable clamping plate 5 and the sliding lug 12 are driven by the connecting bolt 13 and the movable rod 6 to move along the fixed rod 7 towards the direction of the fixed clamping plate 4, and the fixed clamping plate 4 and the movable clamping plate 5 clamp the liquid charging basket body together.

4. Pushing up the push rod 1, according to the angle determined when the barrel cover hook 3 is fixed, the force application direction of the hook teeth at the lower end of the barrel cover hook 3 to the barrel cover and the center line direction of the barrel body are at any determined angle between 12 degrees and 18 degrees, the barrel body is subjected to the clamping force of the fixed clamping plate 4 and the movable clamping plate 5 and the friction force of the anti-skid pads 16 on the inner surfaces of the two clamping plates, and the barrel body is kept motionless, so that the barrel cover can be pulled open.

5. After the operation is finished, under the action of the upward pushing force of the spring 10, the pedal 9 moves upwards to push the movable clamping plate 5 to reset, the distance between the fixed clamping plate 4 and the movable clamping plate 5 is increased, and the charging basket can be lifted.

6. If the barrel cover of the liquid barrel is tighter, when the operation is difficult, the pedal 9 can be continuously stepped down to the compression limit position of the spring 10, the fixed clamping plate 4 and the movable clamping plate 5 can be continuously clamped, the distance between the fixed clamping plate 4 and the movable clamping plate 5 is slightly smaller than the diameter of the liquid barrel, the liquid barrel is subjected to plastic deformation, the tightness between the barrel cover and the barrel body is damaged, and the opening operation can be easily realized.

The embodiments described above are only exemplary embodiments, but the present utility model is not limited to these embodiments, and modifications may be made by those skilled in the art without departing from the spirit and scope of the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, improvement, etc. made within the spirit and concept of the present utility model should be included in the scope of the present utility model. Therefore, the scope of protection is not limited to the description above.

Claims (10)

1. The utility model provides a liquid storage bucket bung opening device, includes slipmat, characterized by: the inner cambered surfaces of the movable clamping plate and the fixed clamping plate are provided with anti-slip pads, and two sides of the fixed clamping plate are connected with a fixed rod fixed in the base; the two sides of the movable clamping plate are provided with sliding lugs and connecting bolts, and the movable rod is connected between the movable clamping plate and the pedal through the connecting bolts; the sliding lugs on two sides of the movable clamping plate are sleeved outside the fixed rod and can move back and forth along the fixed rod under the drive of the movable rod and the pedal, so that the liquid charging basket is clamped between the movable clamping plate and the fixed clamping plate; the bottom of the pedal fixed at one end of the base is provided with a spring, the other end of the base is fixed with a bracket, and a push rod is arranged in the bracket; the lower part of the push rod is connected with a barrel cover hook, and after the push rod is pressed down, the barrel cover hook can be hooked at the lower edge of the barrel cover of the liquid charging bucket which is fixed between the movable clamping plate and the fixed clamping plate.

2. The opening device of a liquid charging bucket cover according to claim 1, wherein the inner diameter formed by the inner cambered surface of the movable clamping plate and the fixed clamping plate is smaller than or equal to the outer diameter of the liquid charging bucket.

3. The opening device of a liquid charging bucket cover according to claim 1, wherein the inner diameter formed by the inner cambered surface of the movable clamping plate and the fixed clamping plate is larger than or equal to the outer diameter of the liquid charging bucket.

4. A liquid crystal bucket cover opening device according to claim 2 or 3, wherein the sliding lugs on both sides of the movable clamp plate are arranged above the connecting bolts.

5. A liquid charging bucket lid opening device according to claim 1, characterized in that the spring (10) is arranged outside the pedal and is fixed between the pedal and the base; the pedals are of a ladder lattice structure.

6. The liquid charging bucket lid opening device according to claim 1 or 5, wherein the inner side of the pedal is provided with a rotating shaft and is connected with shaft brackets fixed on two sides of the base through the rotating shaft, and the movable rod is connected with a connecting rod fixed on the rotating shaft through a connecting bolt.

7. The liquid crystal display device of claim 6, wherein the spring is in a free state, and the distance between the fixed clamping plate and the movable clamping plate is larger than the outer diameter of the liquid crystal display device.

8. The liquid charging bucket lid opening device of claim 1, wherein the lower end of the bucket lid hook is of an arc structure with the same direction as the intrados of the fixed clamping plate and is provided with a hook tooth, and the hook tooth is a petal tooth.

9. The liquid charging bucket lid opening device according to claim 1 or 8, wherein the bucket lid hook is fixed under the push rod through a hanging ring, and the fixed bucket lid hook forms an included angle of 12-18 degrees with the center line of the bucket body of the liquid charging bucket fixed between the movable clamping plate and the fixed clamping plate.

10. The liquid charging bucket lid opening device of claim 9, wherein the push rod is a T-shaped rod, a cross rod in the T-shaped rod is connected in a shaft sleeve at the top of the bracket, and a plastic handle sleeve is arranged at the other end of the T-shaped rod.