CN212268074U - Storage bucket is scribbled to pitch and storage bucket subassembly is scribbled to pitch - Google Patents

Abstract

The utility model discloses an asphalt coating bucket and an asphalt coating bucket assembly, wherein the asphalt coating bucket assembly comprises a bucket body, a bucket cover and a bucket body base; the barrel cover is arranged at the top end of the barrel body, two containing cavities capable of containing coating are formed in the top end of the barrel body, a through discharge port is formed in the bottom end of the barrel body, the containing cavities are communicated with the outside of the barrel body through the discharge port, a reverse bottom cover is arranged on the discharge port and can only be opened towards the inside from the outside of the barrel body, the barrel body base comprises a cavity capable of containing the barrel body, and a top column and a feed opening are formed in the barrel. The utility model discloses the beneficial effect who gains: when the coating after heating in the barrel body needs to be used, the staffs only need to place the barrel body in the barrel body base, the ejection column ejects the reverse bottom cover from the outside of the barrel body towards the inside, the coating flows into the coating equipment from the discharge port and the feed opening in sequence, manual uncovering and pouring are not needed, damage to the staffs is avoided, safety of the staffs is guaranteed, a large amount of waste gas is avoided being discharged, and construction efficiency is high.

Description

Storage bucket is scribbled to pitch and storage bucket subassembly is scribbled to pitch

Technical Field

The utility model relates to a technical field of coating container, concretely relates to storage bucket is scribbled to pitch and storage bucket subassembly is scribbled to pitch.

Background

Need coat pitch waterproof coating layer usually in waterproof system's the construction, pitch is the black brown complex mixture that comprises hydrocarbon and its nonmetal derivative of different molecular weights, be one kind of high viscosity organic liquid, be liquid under the high temperature, be solid-state under the normal temperature, the surface is black, can dissolve in carbon disulfide, before the pitch construction, need heat pitch to 150 ℃ just can use, but the way is at present, the pitch that will heat up is fallen and is covered behind the coating bucket, uncover behind the place of construction through the staff transport and pour out pitch, several kinds of drawbacks exist to this kind of mode: 1. the asphalt is poured out manually, so that potential safety hazards such as skin damage caused by the asphalt splashed onto staff exist; 2. the heated asphalt is poured out by opening a cover by staff, so that a large amount of waste gas is discharged into the atmosphere, and the environment is polluted; 3. pour out through artifical mode, it is slow.

The reason for this is currently limited to the structure of the tub, and thus, there is a need for improvement of the structure of the tub.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, one of the purposes of the utility model is to provide a storage bucket is scribbled to pitch, it includes staving and bung, and this storage bucket is scribbled to pitch has and need not to uncap and empty, avoids the staff impaired, guarantee staff safety, avoids a large amount of exhaust emissions, advantage that the efficiency of construction is high.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

an asphalt coating bucket comprises a bucket body and a bucket body base; the barrel cover is arranged at the top end of the barrel body, the barrel body and the barrel cover form a hollow cavity, the cavity can contain paint, a penetrating discharge port is formed in the bottom end of the barrel body, the cavity is communicated with the outside of the barrel body through the discharge port, a reverse bottom cover is arranged on the discharge port, and the reverse bottom cover can only be opened from the outside of the barrel body towards the inside.

Preferably, the discharge port includes a first port and a second port, the first port and the second port are respectively located at two ends of the discharge port along the axial direction, the diameter of the first port is smaller than that of the second port, the first port is located at the bottom end of the barrel body, the second port is located in the containing cavity, the reverse bottom cover is matched with the discharge port, the reverse bottom cover is attached to the discharge port, and a sealing ring is arranged on one side of the reverse bottom cover facing the discharge port, so that when paint is injected into the barrel body, the paint generates downward pressure on the reverse bottom cover, but because the diameter of the first port is smaller than that of the second port, the first port is located at the bottom end of the barrel body, the second port is located in the containing cavity, and the reverse bottom cover is attached to the discharge port, the reverse bottom cover is pressed towards the discharge port but cannot be pressed out, the sealing ring is used for preventing the paint from leaking, the reverse bottom cover and the discharge port are pressed more tightly along with the more paint in the barrel body is injected, when the paint needs to be used, the reverse bottom cover is opened from the outside of the barrel body towards the inside, the barrel cover does not need to be opened manually, the damage of workers is avoided, the safety of the workers is guaranteed, a large amount of waste gas is prevented from being discharged, and the construction efficiency is high.

Preferably, the barrel body is a cylindrical barrel, and the bottom area of the barrel body is d₂The projection area of the reverse bottom cover along the axial direction is d₃Then d is₂And d₃Is between 2:1 and 4:1, and is arranged so that the jack posts can reverse the directionOn the premise that the bottom cover is jacked open from the outside of the barrel body to the inside, the speed of the coating flowing out of the barrel body is increased; if d is₂And d₃The ratio of the height to the width of the reverse bottom cover to the height of the reverse bottom cover is less than 2:1, namely the projection diameter of the reverse bottom cover along the axial direction is larger, the projection area of the reverse bottom cover along the axial direction is larger, the reverse bottom cover can bear the acting force of the pressure intensity of the coating, the area of the reverse bottom cover is larger, the downward acting force of the coating on the reverse bottom cover is larger, and the acting force required by the ejection column to eject the reverse bottom cover is increased; if d is₂And d₃The ratio of the height to the width of the reverse bottom cover to the height of the discharge port is greater than 4:1, namely the projection diameter of the reverse bottom cover along the axial direction is smaller, the projection area of the reverse bottom cover along the axial direction is smaller, although the acting force of the paint on the reverse bottom cover is reduced, the acting force required by the top column to push the reverse bottom cover is reduced, but as the reverse bottom cover and the discharge port are arranged in a matched mode, the projection area of the discharge port along the axial direction is smaller, and when the top column pushes the reverse bottom cover, the paint flows out of the discharge port at a lower speed.

Preferably, the discharge port comprises a conical opening, one end with the smaller diameter of the conical opening is close to the bottom end of the barrel body relative to one end with the larger diameter of the conical opening, the reverse bottom cover comprises a circular plate and a conical plate, the conical plate is arranged along the circumferential direction of the circular plate and is matched with the conical opening, the conical plate is attached to the conical opening, and the sealing ring is arranged on one side, facing the conical opening, of the conical plate.

Preferably, the discharge port further comprises a cylindrical opening, one end of the conical opening is connected with the end with the smaller diameter of the conical opening, the other end of the cylindrical opening is connected with the bottom end of the barrel body, and by means of the arrangement, the cylindrical opening is arranged, when the reverse bottom cover is opened, firstly, the paint in the barrel body is collected through the flow guiding effect of the conical opening, and finally, the collected paint flows out in a cylindrical shape through the flow guiding effect of the cylindrical opening, so that the paint is prevented from being dispersed when flowing out from the discharge port, and the phenomenon that the paint splashes is better avoided.

Preferably, the barrel cover is provided with a pressure relief valve, the pressure relief valve comprises an air inlet and an air outlet, the air inlet is communicated with the accommodating cavity, the air outlet is communicated with the outside of the barrel body and is located, a filter screen is arranged in the air outlet, and the pressure relief valve and the filter screen are arranged, so that on one hand, waste gas in the accommodating cavity is prevented from being discharged in a normal state, on the other hand, coating can generate a large amount of waste gas in a heating state, when the waste gas is accumulated to a certain pressure in the accommodating cavity, the pressure relief valve is opened, and the waste gas is filtered by the filter screen and then discharged from the pressure relief valve, and the danger and waste gas discharge caused by overlarge air pressure are avoided.

Compared with the prior art, the utility model discloses profitable technological effect has been obtained:

because be equipped with reverse bottom in the storage bucket is scribbled to pitch, when needs use during the interior coating after the heating of storage bucket is scribbled to pitch, only need with reverse bottom is followed the outside of staving is opened towards inside, need not to uncap and emptys, avoids the staff impaired, ensures staff's safety, and avoids a large amount of exhaust emissions, and the efficiency of construction is high.

A second object of the utility model is to provide a storage bucket subassembly is scribbled to pitch, scribble storage bucket and staving base including foretell pitch, the staving base is including holding the cavity of staving, the discharge gate sets up the center of staving bottom, be equipped with the fore-set on the bottom of staving base, just the bottom of staving base is equipped with the feed opening of fretwork, and through setting up like this, when needs use during the coating after the pitch scribbles the storage bucket internal heating, will the pitch is scribbled the storage bucket and is placed on the staving base, the fore-set will reverse bottom is followed the inside back-out of outside orientation of staving is opened, and coating follows in proper order the discharge gate reaches in the feed opening flows into coating equipment, further improves the efficiency of construction.

Preferably, the diameter of the top pillar is d₄The discharge port is positioned in the barrelDiameter of the bottom end of the body is d₅Then d is₄And d₅The ratio of the top column to the bottom column is 1: 6-1: 4, and the paint in the barrel can be ensured to flow out smoothly on the premise that the top column can push the reverse bottom cover open; if d is₄And d₅Is greater than 1:4, i.e. the diameter d of the top pillar₄When the reverse bottom cover is opened by the top column, the top column occupies a larger area of the discharge hole, and the flowing speed of the coating is too slow; if d is₄And d₅Is greater than 6:1, i.e. the diameter d of the top pillar₄Too small, assuming a mass of m for the coating₁The mass of the asphalt coating bucket is m₂The acting force F of the top column acting on the reverse bottom cover₁＝(m₁+m₂) g, the contact area s between the top column and the reverse bottom cover₄Too small, the pressure of the top column acting on the reverse bottom cover

Knowing the pressure p of the top column acting on the reverse bottom cover₁Too large, the greater the pressure, the more effective the pressure is, leading to the possibility of the top pillar piercing the counter bottom cover.

Preferably, the top column is eccentrically arranged, and through the arrangement, the top column can open the reverse bottom cover conveniently through tests; if the top column is arranged in the middle, the acting force of the top column is uniformly distributed on the bottom cover, so that the reverse bottom cover can be opened by a larger acting force.

Preferably, the staving base includes bottom plate and lateral wall, the lateral wall includes the inside wall, the inside wall includes awl lateral wall and post lateral wall, the less one end of awl lateral wall diameter with the one end of post lateral wall is connected, the other end of post lateral wall with the bottom plate is connected, the inside wall with the bottom plate forms and holds the cavity of staving, the apical post reaches the feed opening sets up and is located in the inside wall on the bottom plate, through setting up like this, be convenient for with the storage bucket is scribbled to pitch is placed with fixing a position on the staving base.

Since the asphalt paint bucket assembly comprises the asphalt paint bucket, all the beneficial effects of the asphalt paint bucket assembly including the asphalt paint bucket are not described again.

Drawings

FIG. 1 is a schematic view of an asphalt paint bucket according to an embodiment of the present invention;

FIG. 2 is a schematic view of an asphalt paint bucket assembly according to an embodiment of the present invention;

fig. 3 is a schematic sectional top view of a barrel base according to an embodiment of the present invention.

Wherein, the technical characteristics that each reference numeral refers to are as follows:

1. a barrel body; 1.1, a cavity; 1.2, a discharge hole; 1.2.1, a cylindrical port; 1.2.2, a conical opening; 2. a barrel body base; 2.1, side walls; 2.2, a bottom plate; 2.3, a top column; 2.4, a bracket; 2.4.1, top surface; 2.4.2, inclined plane; 2.5, a feed opening; 2.6, a cavity; 3. a reverse bottom cover; 3.1, circular plate; 3.2, a conical plate; 4. a barrel cover; 5. a handle; 6. a pressure relief valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments, but the scope of the present invention is not limited to the following specific embodiments.

Referring to fig. 1, the present embodiment discloses an asphalt coating bucket, which includes a bucket body 1 and a bucket cover 4; staving 1 is the cylindricality bucket, the top of staving 1 is equipped with the opening, and the top of staving 1 is equipped with top cap 4, top cap 4 is sealed with the opening on 1 top of staving, and form hollow appearance chamber 1.1 between top cap 4 and the staving 1, it can hold a quantitative coating to hold chamber 1.1, the top of staving 1 still is equipped with handle 5, the staff of being convenient for carries and draws staving 1, the bottom of staving 1 is equipped with the discharge gate 1.2 that runs through, discharge gate 1.2 makes the outside intercommunication that holds chamber 1.1 and staving 1, be equipped with reverse bottom 3 on the discharge gate 1.2, reverse bottom 3 can only be followed staving 1's outside and.

Because be equipped with reverse bottom 3 in the storage bucket is scribbled to pitch, when need use the interior coating after the heating of storage bucket is scribbled to pitch, only need with reverse bottom from the outside of staving 1 towards inside the back-up, need not to uncap like traditional way and empty, avoid the staff impaired, guarantee staff safety, and avoid a large amount of exhaust emissions, the efficiency of construction is high.

Further specifically, since the bottom end of the barrel body 1 has a certain thickness, the discharge port 1.2 includes a first port and a second port, the first port and the second port are respectively located at two ends of the discharge port 1.2 along the axial direction, the diameter of the first port is smaller than that of the second port, the first port is located at the bottom end of the barrel body 1, the second port is located in the cavity 1.1, the reverse bottom cover 3 is matched with the discharge port 1.2, the reverse bottom cover 3 is attached to the discharge port 1.2, a sealing ring is arranged at one side of the reverse bottom cover 3 facing the discharge port, the sealing ring is respectively attached to the reverse bottom cover 3 and the discharge port, when the barrel body 1 is filled with paint, the paint generates downward pressure on the reverse bottom cover 3, but since the diameter of the first port is smaller than that of the second port, the first port is located at the bottom end of the barrel body 1, the second port is located in the cavity 1.1, and the reverse bottom cover 3 is attached to the, make reverse bottom cap 3 pressed to discharge gate 1.2 but can not extrude reverse bottom cap 3 to be equipped with the sealing washer and prevent the coating seepage, along with the more that the coating in staving 1 was injected into, reverse bottom cap 3 with discharge gate 1.2 compress more tightly, reverse bottom cap 3 can only be opened towards inside from the outside of staving 1.

The barrel body 1 is a cylindrical barrel, and the bottom area of the barrel body 1 is d₂The projected area of the reverse bottom cover 3 along the axial direction is d₃Then d is₂And d₃The ratio of the bottom cover to the top column is 2: 1-4: 1, and on the premise that the reverse bottom cover 3 is conveniently pushed open from the outside to the inside of the barrel body 1 by the top column 2.3, the speed of the coating flowing out of the barrel body 1 is increased; if d is₂And d₃The ratio of (3) is less than 2:1, namely the projection diameter of the reverse bottom cover 3 along the axial direction is larger, the projection area of the reverse bottom cover 3 along the axial direction is larger, the reverse bottom cover 3 has larger area due to the action force of the pressure intensity of the paint on the reverse bottom cover 3, and the downward action force of the paint on the reverse bottom cover 3 is largerThe large force increases the acting force required by the top column 2.3 to jack the reverse bottom cover 3; if d is₂And d₃The ratio of the height to the width of the reverse bottom cover 3 to the height of the discharge port 1.2 is greater than 4:1, namely the projection diameter of the reverse bottom cover 3 along the axial direction is smaller, the projection area of the reverse bottom cover 3 along the axial direction is smaller, although the acting force of the paint on the reverse bottom cover 3 is reduced, and the acting force required by the top column 2.3 to push the reverse bottom cover 3 is reduced, since the reverse bottom cover 3 is matched with the discharge port 1.2, the projection area of the discharge port 1.2 along the axial direction is smaller, and when the top column 2.3 pushes the reverse bottom cover 3 open, the paint flows out from the discharge port 1.

In this embodiment, the discharge port 1.2 includes a tapered opening 1.2.2, the end of the tapered opening 1.2.2 with a smaller diameter is close to the bottom end of the barrel body 1 relative to the end of the tapered opening 1.2.2 with a larger diameter, the reverse bottom cover 3 includes a circular plate 3.1 and a conical plate 3.2, the conical plate 3.2 is connected to the circumferential wall of the circular plate 3.1, the conical plate 3.2 is disposed along the circumferential direction of the circular plate 3.1, the conical plate 3.2 and the circular plate 3.1 are integrally formed, the conical plate 3.2 is adapted to the tapered opening 1.2.2, the conical plate 3.2 is attached to the tapered opening 1.2.2, the sealing ring is disposed on the side of the conical plate 3.2 facing the tapered opening 1.2.2, the process for manufacturing the tapered opening 1.2.2.2 is simple, the production cost is reduced, and it can only be well ensured that the reverse bottom cover.

The discharge port 1.2 further comprises a cylindrical port 1.2.1, one end of the conical port 1.2.2 is connected with the smaller end of the conical port 1.2.2, the other end of the cylindrical port 1.2.1 is connected with the bottom end of the barrel body 1, the cylindrical port 1.2.1 is arranged, when the reverse bottom cover 3 is opened, firstly, the paint in the barrel body 1 is collected through the flow guiding effect of the conical port 1.2.2, finally, the collected paint flows out in a cylindrical shape through the flow guiding effect of the cylindrical port 1.2.1, the phenomenon that the paint is scattered when flowing out from the discharge port 1.2 is avoided, and the phenomenon that the paint splashes is better avoided.

The barrel cover 4 is provided with a pressure relief valve 6, the pressure relief valve 6 comprises an air inlet and an air outlet, the air outlet is communicated with the containing cavity 1.1, the air outlet is communicated with the outside of the barrel body 1, a filter screen is arranged in the air outlet, activated carbon is arranged in the filter screen, and the pressure relief valve 6 and the filter screen are arranged, so that on one hand, waste gas in the containing cavity 1.1 is prevented from being discharged in a normal state, on the other hand, coating can generate a large amount of waste gas in a heating state, when the waste gas is accumulated to a certain pressure in the containing cavity 1.1, the pressure relief valve 6 is opened, and the waste gas is filtered by the activated carbon of the filter screen and then discharged from the pressure relief valve 6, and danger.

In an embodiment, discharge gate 1.2 includes arc mouth and cylindricality mouth 1.2.1, the great one end of the relative arc mouth diameter of the less one end of arc mouth diameter is close to the bottom of staving 1, and the less one end of arc mouth diameter is connected with the one end of cylindricality mouth 1.2.1, the other end of cylindricality mouth 1.2.1 is connected with the bottom of staving 1, reverse bottom 3 includes plectane 3.1 and arc board, the arc board sets up along plectane 3.1's circumference, and arc board and arc mouth looks adaptation, the arc board laminating is on the arc mouth, the arc board is equipped with the sealing washer towards one side of arc mouth.

Referring to fig. 2-3, the present embodiment further discloses an asphalt coating bucket assembly, which comprises the asphalt coating bucket and a bucket base 2, wherein the bucket base 2 comprises a cavity 2.6 for accommodating a bucket body, a top pillar 2.3 is arranged at the bottom end of the bucket base 2, a hollowed-out material outlet 2.5 is arranged at the bottom end of the bucket base 2, a material outlet 1.2 of the bucket body 1 is arranged at the center of the bottom end of the bucket body 1, so that the top pillar 2.3 is aligned with the material outlet 1.2, if the material outlet 1.2 is eccentrically arranged, an alignment angle is required when the bucket body 1 is placed on the bucket base 2, which is inconvenient to use, the bucket base 2 is arranged on a coating device, and the material outlet 2.5 is butted with a material inlet of the coating device, when a heated coating material in the asphalt coating bucket is required to be used, the bucket body 1 is placed on the bucket base 2, the top pillar 2.3 pushes a reverse bottom cover 3 from the outside of the bucket body 1 to the inside, and the coating material flows into the coating, construction is carried out through coating equipment, and the construction efficiency is further improved.

The diameter of the top pillar 2.3 is d₄The diameter of the discharge port 1.2 at the bottom end of the barrel body 1 is d₅Then d is₄And d₅The ratio of the top column to the bottom column is 1: 6-1: 4, so that the coating in the barrel body 1 can smoothly flow out on the premise that the reverse bottom cover 3 can be opened by the top column 2.3; if d is₄And d₅Is greater than 1:4, i.e. the diameter d of the top pillar 2.3₄Too large, when the top pillar 2.3 opens the reverse bottom cover 3In the process, the ejection column 2.3 occupies a larger area of the discharge hole 1.2, and the flowing speed of the coating is too slow; if d is₄And d₅Is greater than 6:1, i.e. the diameter d of the top pillar 2.3₄Too small, assuming a mass of m for the coating₁The mass of the asphalt coating bucket is m₂The force F of the top column 2.3 acting on the counter bottom cover 3₁＝(m₁+m₂) g, area s when top column 2.3 is abutted against reverse bottom cover 3₄Too small, the pressure of the top column 2.3 acting on the counter bottom cover 3

Knowing the pressure p of the top column 2.3 against the counter bottom 3₁Too big, pressure intensity is bigger, and the effect of pressure is more obvious to lead to the fore-set 2.3 probably to wear reverse bottom 3 top, and the height of fore-set 2.3 is h₄Height h of the top pillar 2.3₄The projection diameter d of the bottom cover 3 along the axial direction₃The ratio of the top column to the bottom column is in a range of 0.9: 1-1.1: 1, and the reverse bottom cover 3 can be completely jacked open by the top column 2.3.

The top column 2.3 is eccentrically arranged, and the reverse bottom cover 3 is conveniently opened by the top column 2.3 through tests; if the fore-set 2.3 sets up between two parties, fore-set 2.3's effort evenly distributed is on the bottom, causes to need bigger effort just can open reverse bottom 3.

The barrel body base 2 comprises a bottom plate 2.2 and a side wall, the side wall comprises an inner side wall 2.1, the inner side wall 2.1 comprises a conical side wall 2.1.1 and a column side wall 2.1.2, one end of the conical side wall 2.1.1 with smaller diameter is connected with one end of the column side wall 2.1.2, the other end of the column side wall 2.1.2 is connected with the bottom plate, and the diameter d of the column side wall 2.1.2₆Diameter d of the barrel body 1₂The matching is convenient for positioning the barrel body 1 when the asphalt coating barrel is placed into the barrel body base 2, and the end d with the larger diameter of the conical side wall 2.1.1₇Is larger than the diameter d of the barrel body 1₂10% greater, height h of the side wall₆Is 1 height h of the barrel body₂When the barrel body 1 is placed into the barrel body base 2, the top column 2.3 jacks the reverse bottom cover 3, the side wall has enough height to avoid coating overflowing or splashing, the inner side wall 2.1 and the bottom plate 2.2 form a cavity 2.6 for accommodating the barrel body 1, and the top column 2.3 and the feed opening 2.5 are arranged on the inner side wall2.2 in 2.1, specifically, be located and be equipped with four through-holes along circumference on the bottom plate 2.2 in inside wall 2.1 and form cross support 2.4, the through-hole is as feed opening 2.5, the cross-section of support 2.4 is trapezoidal, support 2.4 includes top surface 2.4.1 and two inclined planes 2.4.2, two inclined planes 2.4.2 are connected with the both sides of top surface 2.4.1 respectively, fore-set 2.3 sets up on top surface 2.4.1 of support 2.4, and the diameter of fore-set 2.3 equals with the width of top surface 2.4.1, when fore-set 2.3 backs down reverse bottom 3, be convenient for the coating to flow from feed opening 2.5 along inclined plane 2.4.2, the center of fore-set 2.3 deviates from the centre of a circle distance of a circle along one of support 2.4 and is less than

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. In addition, although specific terms are used in the specification, the terms are used for convenience of description and do not limit the utility model in any way.

Claims (10)

1. An asphalt coating bucket is characterized by comprising a bucket body (1) and a bucket cover (4); the barrel cover (4) is arranged at the top end of the barrel body, the barrel body (1) and the barrel cover (4) form a hollow containing cavity (1.1), the containing cavity (1.1) can contain paint, a penetrating discharge hole (1.2) is formed in the bottom end of the barrel body (1), the discharge hole (1.2) enables the containing cavity (1.1) to be communicated with the outside of the barrel body (1), a reverse bottom cover (3) is arranged on the discharge hole (1.2), and the reverse bottom cover (3) can only be opened from the outside of the barrel body (1) towards the inside.

2. The asphalt coating bucket according to claim 1, wherein the discharge port (1.2) comprises a first port and a second port, the first port and the second port are respectively located at two ends of the discharge port along the axial direction, the diameter of the first port is smaller than that of the second port, the first port is located at the bottom end of the bucket body (1), the second port is located in the accommodating cavity (1.1), the reverse bottom cover (3) is matched with the discharge port (1.2), the reverse bottom cover (3) is attached to the discharge port (1.2), and a sealing ring is arranged on one side, facing the discharge port (1.2), of the reverse bottom cover (3).

3. The asphalt paint bucket according to claim 2, wherein the bucket body (1) is a cylindrical bucket, and the diameter of the bucket body (1) is d₂The projection diameter of the reverse bottom cover (3) along the axial direction is d₃Then d is₂And d₃The ratio of (A) to (B) is in the range of 2:1 to 4: 1.

4. The asphalt coating bucket according to claim 3, wherein the discharge port (1.2) comprises a tapered opening (1.2.2), the end with the smaller diameter of the tapered opening (1.2.2) is close to the bottom end of the bucket body (1) relative to the end with the larger diameter of the tapered opening (1.2.2), the reverse bottom cover (3) comprises a circular plate (3.1) and a conical plate (3.2), the conical plate (3.2) is arranged along the circumferential direction of the circular plate (3.1), the conical plate (3.2) is matched with the tapered opening (1.2.2), the conical plate (3.2) is attached to the tapered opening (1.2.2), and the sealing ring is arranged on the side, facing the tapered opening (1.2.2), of the conical plate (3.2).

5. The asphalt paint bucket according to claim 4, wherein the discharge port (1.2) further comprises a cylindrical port (1.2.1), one end of the conical port (1.2.2) is connected with the end of the conical port (1.2.2) with the smaller diameter, and the other end of the cylindrical port (1.2.1) is connected with the bottom end of the bucket body (1).

6. The asphalt coating bucket according to claim 5, wherein a pressure relief valve is arranged on the bucket cover (4), the pressure relief valve comprises an air inlet and an air outlet, the air inlet is communicated with the containing cavity (1.1), the air outlet is communicated with the outside of the bucket body (1), and a filter screen is arranged in the air outlet.

7. The asphalt coating bucket assembly is characterized by comprising the asphalt coating bucket and a bucket body base (2) according to any one of claims 1 to 6, wherein the bucket body base (2) comprises a cavity (2.6) capable of accommodating the bucket body (1), a discharge port (1.2) is arranged at the center of the bottom end of the bucket body (1), a top column (2.3) is arranged at the bottom end of the bucket body base (2), and a hollowed-out discharge port (2.5) is arranged at the bottom end of the bucket body base (2).

8. Paint bucket assembly according to claim 7, characterized in that the diameter of the top pillar (2.3) is d₄The diameter of the discharge hole (1.2) at the bottom end of the barrel body (1) is d₅Then d is₄And d₅The ratio of (A) to (B) is in the range of 1:6 to 1: 4.

9. An asphalt paint bucket assembly according to claim 8, wherein the apex pillar (2.3) is eccentrically located.

10. Paint bucket assembly according to claim 9, characterized in that the bucket base (2) comprises a bottom plate (2.2) and side walls, which comprise an inner side wall (2.1), the inner side wall (2.1) comprising a conical side wall (2.1.1) and a cylindrical side wall (2.1.2), the smaller diameter end of the conical side wall (2.1.1) being connected to one end of the cylindrical side wall (2.1.2), the other end of the cylindrical side wall (2.1.2) being connected to the bottom plate (2.2), the inner side wall (2.1) and the bottom plate forming a cavity (2.6) accommodating the bucket body (1), the top pillar (2.3) and the discharge opening (2.5) being provided on the bottom plate (2.2) within the inner side wall (2.1).

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