CN213683085U

CN213683085U - Environment-friendly material-saving type brushing device

Info

Publication number: CN213683085U
Application number: CN202022033001.XU
Authority: CN
Inventors: 王勇; 侯代平
Original assignee: Chongqing Oulin Green Building Engineering Co ltd
Current assignee: Chongqing Oulin Green Building Engineering Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-07-13
Anticipated expiration: 2030-09-17

Abstract

The utility model discloses an environment-friendly material-saving painting device, which comprises a supporting structure, a rotating structure, a roller fixing structure and an anti-dripping structure, wherein the supporting structure comprises a U-shaped frame and a holding rod, the U-shaped frame is used for installing and fixing other parts, the holding rod is convenient for a worker to hold when in use, the rotating structure comprises a first rotating shaft and a fixed block, the rotating structure not only provides a rotating function for the roller, but also provides a detachable function, the roller fixing structure comprises a locking nut and a locking block, the roller fixing structure is used for realizing the power transmission of the first rotating shaft to the roller, and is convenient to detach at the same time, and the anti-dripping structure comprises a scraping plate and an; the utility model discloses in, can extrude and scrape unnecessary coating on the cylinder before the roller is scribbled through using antidrip structure to coating drips and causes the problem of extravagant and later stage clearance when avoiding the roller to scribble, can easily accomplish the change to the cylinder through detachable rotating-structure and cylinder fixed knot structure, solves current cylinder brush and has the problem of wasting of resources when changing.

Description

Environment-friendly material-saving type brushing device

Technical Field

The utility model relates to a building tool's technical field especially relates to an environmental protection material-saving type is applied paint device with a brush.

Background

With the rapid development of society, more and more old buildings are renovated, decoration is visible everywhere, a roller brush is often used when large-area paint of daily architectural decoration engineering is rolled and coated, the roller brush generally comprises a roller, a metal rod and a handle, the roller generally comprises a roller core and brush hair attached to the roller core, one end of the metal rod penetrates through the axis of the roller to be rotatably connected with the roller, the other end of the metal rod is perpendicular to the axis of the roller after being bent for many times, and the handle is sleeved on the metal rod and is convenient to hold by hands. The brush hair of cylinder brush divide into long hair, well hair, short hair three kinds, and the brush hair divide into wool and chemical fibre class two kinds usually, and the brush hair of the different length of cylinder brush can scribble out different effects, and long hair cylinder brush can scribble out some tiny textures, has unsmooth sense, similar texture effect, and the paint surface after short hair cylinder brush is applied paint with a brush is more even, level and smooth, do not have unsmooth sense, and well hair cylinder brush is between the two.

When the paint roller is used, the roller part of the roller brush is completely immersed in the paint, the roller is taken out of the paint vehicle after the roller fully absorbs the paint, and workers use the roller brush to roll the paint on the wall surface when the paint does not drip from the roller any more. By comparatively gluing with coating, even coating on the cylinder is no longer drippage, still adhere to very thick one deck coating on the cylinder, when the workman uses the cylinder brush to carry out the coating to the wall and scribble, the compression of combing hair atress on the cylinder, make the absorbent coating of brush hair extruded, the coating on cylinder surface is too much, lead to unnecessary coating to constantly drippage or flow down along the wall at the in-process of scribbling, not only cause the waste of coating, the coating that drips on ground still needs extra cost manpower to clear up after the scribbling finishes simultaneously, it is very troublesome.

After each roller coating is finished, the coating on the roller is difficult to clean, the coating is completely solidified after a period of time, so that the roller brush is difficult to absorb the coating when being used next time, the roller coating effect is poor, when the interval time between the second roller coating task and the previous roller coating task is long, a new roller brush is generally required to be replaced for ensuring the roller coating effect, the roller of the existing roller brush is generally not detachable, the roller brush is integrally replaced when being replaced every time, and the intact metal rod and the handle are eliminated together, so that a great amount of waste of social mechanical processing resources is caused.

Disclosure of Invention

To the above-mentioned problem that prior art exists, the utility model discloses a technical problem who solves is: the existing roller brush has the problems that the coating is easy to drip and the resource waste is easily caused by the replacement.

In order to solve the technical problem, the utility model adopts the following technical scheme: an environment-friendly material-saving brushing device comprises a supporting structure, a rotating structure, a roller fixing structure and an anti-dripping structure.

The supporting structure comprises a U-shaped frame and a holding rod, wherein an opening of the U-shaped frame faces downwards, the U-shaped support is composed of a cross rod and two vertical rods, two ends of the cross rod are fixedly connected with the tops of the two vertical rods respectively, the holding rod is vertically located above the U-shaped frame, and the lower end of the holding rod is fixedly connected with the middle position of the cross rod.

The rotating structure comprises a first rotating shaft, a fixed block and a rotating rod; all transversely be equipped with the rectangle recess on the lower surface of two montants, the rectangle recess all transversely runs through corresponding montant.

The first rotating shaft is transversely arranged between the two vertical rods, two ends of the first rotating shaft are respectively positioned in the two rectangular grooves, and two ends of the first rotating shaft can rotate in the corresponding rectangular grooves.

The dwang is located arbitrary montant and keeps away from U type frame open-ended one side, and the axis of dwang is perpendicular with the axis of first pivot, the dwang with close first pivot's tip fixed connection.

The fixed blocks are two, the two fixed blocks are respectively located below the two vertical rods, and the upper surfaces of the two fixed blocks are respectively abutted to the lower surfaces of the corresponding vertical rods.

The lower terminal surface of every fixed block is vertical to be equipped with second pivot and fixing bolt, second pivot and fixing bolt are located both sides around the first pivot respectively, and the upper end of second pivot with correspond the montant and rotate to be connected, the lower extreme of second pivot with correspond fixed block fixed connection, fixing bolt's head down, fixing bolt end pass correspond the fixed block with correspond montant threaded connection.

The roller is transversely arranged between the two vertical rods and comprises a cylinder core and a brush hair layer; the brush hair layer is fixed to be set up on the outer face of cylinder of section of thick bamboo core, all be equipped with a plurality of blind holes on the terminal surface about the section of thick bamboo core, a plurality of blind holes along the axis circumference evenly distributed of section of thick bamboo core, first pivot pass section of thick bamboo core and with section of thick bamboo core clearance fit.

The roller fixing structure comprises a locking nut and two locking blocks; the two locking blocks are respectively located at the left end and the right end of the cylinder core, the locking blocks are of circular plate structures, the first rotating shaft penetrates through the two locking blocks, the locking block on the left side of the cylinder core is fixedly connected with the first rotating shaft, and the locking block on the right side of the cylinder core is in clearance fit with the first rotating shaft.

One side that two latch blocks are close to corresponding section of thick bamboo core all is equipped with a plurality of protruding cylinders, a plurality of protruding cylinders and a plurality of blind hole one-to-one, a plurality of protruding cylinders are located a plurality of blind holes respectively, protruding cylinder and blind hole clearance fit.

The locking nut is located between the locking block on the right side of the cylinder core and the adjacent vertical rod, the locking nut is in threaded connection with the first rotating shaft, and the left end of the locking nut abuts against the adjacent locking block.

The anti-dripping structure comprises a scraping plate and an adjusting rod; the opposite side surfaces of the two vertical rods are respectively provided with a sliding chute along the length direction of the vertical rods; the scraper blade is located the top of cylinder, and the scraper blade transversely sets up between two montants, and the left and right sides both ends of scraper blade are located two spouts respectively, and the scraper blade can be followed the spout and slided from top to bottom.

The adjusting rod is vertically arranged above the scraper, the lower end of the adjusting rod is rotatably connected with the scraper, and the upper end of the adjusting rod penetrates through the cross rod and is in threaded connection with the cross rod.

The stability of the roller in the roll coating process can be improved by adopting the bracket with the U-shaped structure. Through setting up scraper blade and dwang, after taking out the cylinder from coating, can rotate the distance that the regulation pole comes regulation scraper blade lower extreme and cylinder according to the length of brush hair and roller coating requirement, then make the cylinder slowly rotate through twisting the dwang, make the scraper blade extrude in advance with unnecessary coating on the cylinder and scrape and fall to the container of storing coating to effectively avoid at the roller coating in-process coating drippage and cause the extravagant problem of coating and later stage clearance. When the cylinder needs to be changed, only need to take off fixing bolt, rotatory fixed block, just can be with first pivot, cylinder and cylinder fixed knot construct and take out together, then unscrew lock nut, just can be in proper order with lock nut, the latch segment on right side and cylinder are taken off from first pivot, install again after the new cylinder and just can reuse, only need to change the cylinder at every turn, all the other parts all can continue to use, compare current cylinder brush, the waste of all the other materials has been practiced thrift greatly, avoid causing a large amount of wastes of machining resource.

Preferably, the painting device further comprises a plurality of replacing parts, and the replacing parts are the same as the roller structure.

Through setting up the replacement, the replacement is the same with above-mentioned cylinder structure, when the cylinder can't continue to use, only needs to change the cylinder alone, and the device just can continue to carry out cylinder work, effectively avoids the waste of resource.

Preferably, the brushing device further comprises an extension rod, and one end of the extension rod is in threaded connection with one end, far away from the U-shaped frame, of the holding rod.

When the wall of ceiling or eminence is being rolled and scribbled to needs, the workman removes the double ladder not only inefficiency repeatedly, takes place the incident easily moreover, through setting up the extension rod, only need link together extension rod and holding rod and just can prolong the operating distance of the device greatly, and the workman stands and just can roll and scribble the wall of ceiling or eminence on ground, has improved the device's practicality greatly.

Preferably, the holding rod is provided with a rubber handle sleeve. Through setting up rubber handle cover, increase the hand and hold the frictional force of holding the pole, avoid the workman to hold the phenomenon of skidding appearing holding at the in-process that uses the device to cause the roll to scribble the effect and descend.

Preferably, the upper end of the adjusting rod is fixedly connected with an auxiliary rod, and the axis of the auxiliary rod is perpendicular to the axis of the adjusting rod.

Through setting up the auxiliary rod, twist through rotating the auxiliary rod and move the regulation pole more laborsaving convenient, greatly increased the device's practicality.

Compared with the prior art, the utility model discloses at least, following advantage has:

1. the utility model discloses in, the support that adopts U type structure can improve the stability at the roll-coating in-process cylinder. Through setting up scraper blade and dwang, after taking out the cylinder from coating, can rotate the distance that the regulation pole comes regulation scraper blade lower extreme and cylinder according to the length of brush hair and roller coating requirement, then make the cylinder slowly rotate through twisting the dwang, make the scraper blade extrude in advance with unnecessary coating on the cylinder and scrape and fall to the container of storing coating to effectively avoid at the roller coating in-process coating drippage and cause the extravagant problem of coating and later stage clearance. When the cylinder needs to be changed, only need to take off fixing bolt, rotatory fixed block, just can be with first pivot, cylinder and cylinder fixed knot construct and take out together, then unscrew lock nut, just can be in proper order with lock nut, the latch segment on right side and cylinder are taken off from first pivot, install again after the new cylinder and just can reuse, only need to change the cylinder at every turn, all the other parts all can continue to use, compare current cylinder brush, the waste of all the other materials has been practiced thrift greatly, avoid causing a large amount of wastes of machining resource.

2. The utility model discloses in, when needs roll to the wall of ceiling or eminence and scribble, the workman removes the double ladder not only inefficiency repeatedly, takes place the incident easily moreover, through setting up the extension rod, only needs link together the extension rod with holding the pole and just can prolong the device's operating distance greatly, and the workman stands and just can roll to the wall of ceiling or eminence on ground and scribble, has improved the device's practicality greatly.

3. The utility model discloses in, through setting up rubber handle cover, increase the hand and hold the frictional force of holding the pole, avoid the workman to appear holding the phenomenon of skidding at the in-process that uses the device, cause to roll and scribble the effect and descend.

Drawings

Fig. 1 is a front view of the overall structure of the present invention;

fig. 2 is a left side view of the overall structure of the present invention;

fig. 3 is a bottom view of the overall structure of the present invention;

fig. 4 is a perspective view of the overall structure of the present invention;

in the figure, 11-U-shaped frame, 111-transverse rod, 112-vertical rod and 12-holding rod; 22-a first rotating shaft, 23-a fixed block, 24-a second rotating shaft, 25-a fixed bolt and 26-a rotating rod; 3-roller, 31-roller core, 32-brush layer; 41-locking nut, 42-locking block and 43-convex cylinder; 51-scraper, 52-adjusting rod, 53-chute; 61-extension rod, 71-rubber handle sleeve, 81-auxiliary rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

For convenience of description, the following description concepts are introduced in the writing of the present invention:

in the present invention 'front', 'rear', 'left', 'right', 'up', 'down' all refer to the orientation in fig. 1, wherein 'front' refers to facing outwards in fig. 1 with respect to the paper surface and 'rear' refers to facing inwards in fig. 1 with respect to the paper surface.

Referring to fig. 1-4, the present invention provides an embodiment: an environment-friendly material-saving brushing device comprises a supporting structure, a rotating structure, a roller fixing structure and an anti-dripping structure.

The supporting structure comprises a U-shaped frame 11 and a holding rod 12, wherein the opening of the U-shaped frame 11 faces downwards, the U-shaped frame 11 comprises a cross rod 111 and two vertical rods 112, two ends of the cross rod 111 are respectively fixedly connected with the tops of the two vertical rods 112, the holding rod 12 is vertically positioned above the U-shaped frame 11, and the lower end of the holding rod 12 is fixedly connected with the middle position of the cross rod 111.

The rotating structure comprises a first rotating shaft 22, a fixed block 23 and a rotating rod 26; rectangular grooves are transversely formed in the lower surfaces of the two vertical rods 112 and transversely penetrate through the corresponding vertical rods 112.

The first rotating shaft 22 is transversely disposed between the two vertical bars 112, two ends of the first rotating shaft 22 are respectively located in the two rectangular grooves, and two ends of the first rotating shaft 22 can rotate in the corresponding rectangular grooves.

The rotating rod 26 is located on one side of any vertical rod 112 away from the opening of the U-shaped frame 11, the axis of the rotating rod 26 is perpendicular to the axis of the first rotating shaft 22, and the rotating rod 26 is fixedly connected with the end part close to the first rotating shaft 22. In specific implementation, the two rotating rods 26 are respectively arranged at two ends of the first rotating shaft 22, so that the use is more convenient.

The number of the fixed blocks 23 is two, the two fixed blocks 23 are respectively located below the two vertical rods 112, and the upper surfaces of the two fixed blocks 23 respectively abut against the lower surfaces of the corresponding vertical rods 112.

The lower terminal surface of every fixed block 23 is vertical to be equipped with second pivot 24 and fixing bolt 25, second pivot 24 and fixing bolt 25 are located first pivot 22 both sides around respectively, and the upper end of second pivot 24 rotates with corresponding montant 112 to be connected, the lower extreme of second pivot 24 with correspond fixed block 23 fixed connection, fixing bolt 25's head down, fixing bolt 25 end passes and corresponds fixed block 23 and correspond montant 112 threaded connection.

The roller 3 is transversely arranged between the two vertical rods 112, and the roller 3 comprises a roller core 31 and a bristle layer 32; brush hair layer 32 is fixed to be set up on the outer cylindrical surface of section of thick bamboo core 31, all be equipped with a plurality of blind holes on the terminal surface about section of thick bamboo core 31, a plurality of blind holes along the axis circumference evenly distributed of section of thick bamboo core 31, first pivot 22 pass section of thick bamboo core 31 and with section of thick bamboo core 31 clearance fit.

The roller fixing structure includes a locking nut 41 and two locking blocks 42.

Two latch segments 42 are located section of thick bamboo core 31 left and right ends respectively, and latch segment 42 is the circular slab structure, first pivot 22 passes two latch segments 42, the left latch segment 42 of section of thick bamboo core 31 and first pivot 22 fixed connection, the latch segment 42 and the first pivot 22 clearance fit on section of thick bamboo core 31 right side.

Two latch blocks 42 all are equipped with a plurality of protruding cylinders 43 near one side that corresponds section of thick bamboo core 31, a plurality of protruding cylinders 43 and a plurality of blind hole one-to-one, a plurality of protruding cylinders 43 are located a plurality of blind holes respectively, protruding cylinder 43 and blind hole clearance fit.

The locking nut 41 is located between the locking block 42 on the right side of the cylinder core 31 and the adjacent vertical rod 112, the locking nut 41 is in threaded connection with the first rotating shaft 22, and the left end of the locking nut 41 abuts against the adjacent locking block 42.

The anti-dripping structure comprises a scraper 51 and an adjusting rod 52; the opposite side surfaces of the two vertical rods 112 are respectively provided with a sliding groove 53 along the length direction of the vertical rods 112; the scraper 51 is located above the roller, the scraper 51 is transversely arranged between the two vertical rods 112, the left end and the right end of the scraper 51 are respectively located in the two sliding grooves 53, and the scraper 51 can slide up and down along the sliding grooves 53.

The adjusting rod 52 is vertically positioned above the scraper 51, the lower end of the adjusting rod 52 is rotatably connected with the scraper 51, and the upper end of the adjusting rod 52 penetrates through the cross rod 111 and is in threaded connection with the cross rod 111.

Further, the painting device also comprises a plurality of replacing parts, and the replacing parts are the same as the roller structure. In specific implementation, the lengths of the bristles of the replacement part are also divided into three types, namely long, medium and short, so that the practicability of the replacement part is improved.

Further, the painting device further comprises an extension rod 61, and one end of the extension rod 61 is in threaded connection with one end of the holding rod 12 far away from the U-shaped frame 11.

Further, a rubber handle sleeve 71 is provided on the holding rod 12. When the extension rod is specifically implemented, the rubber handle sleeve is also arranged on the extension rod 61, so that the practicability of the extension rod is improved, and the phenomenon of hand slip in use is avoided.

Further, an auxiliary rod 81 is fixedly connected to the upper end of the adjusting rod 52, and the axis of the auxiliary rod 81 is perpendicular to the axis of the adjusting rod 52.

The utility model discloses the operating principle who injects an environmental protection province material type and apply paint device with a brush is as follows:

and (3) anti-dripping operation: holding the holding rod 12 with a hand, completely immersing the roller 3 in the paint, after the paint is fully absorbed by the bristle layer 32, taking the roller 3 out of the paint, screwing the auxiliary rod 81, driving the adjusting rod 52 fixedly connected with the auxiliary rod 81 to rotate, because the adjusting rod 52 is in threaded connection with the cross rod 111 of the U-shaped frame 11, the adjusting rod 52 moves up and down simultaneously in the rotating process, the lower end of the adjusting rod 52 is rotatably connected with the scraper 51, so that the adjusting rod 52 can drive the scraper 51 to move up and down along the chute 53 when moving up and down, thereby realizing the adjustment of the distance between the scraper 51 and the bristle layer 32, selecting the distance between the scraper 51 and the bristle layer 32 according to the length of the bristles and the roller painting requirement, then screwing the rotating rod 26, driving the first rotating shaft 22 to rotate, the first rotating shaft 22 driving the locking block 42 fixedly connected with the first rotating shaft 22 to rotate, because the convex cylinder 43 on the locking block 42 is positioned in, thereby make left latch segment 42 can drive cylinder 3 and rotate together, cylinder 3 rotates the in-process, and scraper blade 51 can extrude and scrape unnecessary coating on the cylinder 3 and fall to the container of storing coating to effectively avoid coating to drip and cause the extravagant and later stage clearance's of coating problem at the roll painting in-process.

And (3) replacing the roller: when the roller 3 needs to be replaced, the two fixing bolts 25 are screwed down by a tool, then the two fixing blocks 23 are rotated, the rectangular grooves in the vertical rods 112 are not blocked by the fixing blocks 23, the first rotating shaft 22, the roller 3 and the roller fixing structure are taken down from the U-shaped frame 11 together, then the rotating rod 26 is fixed, the locking nut 41 is unscrewed by the tool, then the locking nut 41, the locking block 42 on the right side and the roller 3 are taken out from the right end of the first rotating shaft 22 in sequence, then the new roller 3 can be reused after being re-installed, all the other parts can be continuously used only by replacing the roller at each time, compared with the existing roller brush, the waste of all the other materials is greatly saved, and the waste of social machining resources is avoided.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. An environment-friendly material-saving painting device is characterized in that: comprises a supporting structure, a rotating structure, a roller fixing structure and an anti-dripping structure;

the supporting structure comprises a U-shaped frame (11) and a holding rod (12), wherein the opening of the U-shaped frame (11) faces downwards, the U-shaped frame (11) consists of a cross rod (111) and two vertical rods (112), two ends of the cross rod (111) are respectively fixedly connected with the tops of the two vertical rods (112), the holding rod (12) is vertically positioned above the U-shaped frame (11), and the lower end of the holding rod (12) is fixedly connected with the middle position of the cross rod (111);

the rotating structure comprises a first rotating shaft (22), a fixed block (23) and a rotating rod (26);

rectangular grooves are transversely formed in the lower surfaces of the two vertical rods (112), and the rectangular grooves transversely penetrate through the corresponding vertical rods (112);

the first rotating shaft (22) is transversely arranged between the two vertical rods (112), two ends of the first rotating shaft (22) are respectively positioned in the two rectangular grooves, and two ends of the first rotating shaft (22) can rotate in the corresponding rectangular grooves;

the rotating rod (26) is positioned on one side, away from the opening of the U-shaped frame (11), of any vertical rod (112), the axis of the rotating rod (26) is perpendicular to the axis of the first rotating shaft (22), and the rotating rod (26) is fixedly connected with the end part close to the first rotating shaft (22);

the number of the fixed blocks (23) is two, the two fixed blocks (23) are respectively positioned below the two vertical rods (112), and the upper surfaces of the two fixed blocks (23) are respectively abutted against the lower surfaces of the corresponding vertical rods (112);

a second rotating shaft (24) and a fixing bolt (25) are vertically arranged on the lower end face of each fixing block (23), the second rotating shaft (24) and the fixing bolt (25) are respectively located on the front side and the rear side of the first rotating shaft (22), the upper end of the second rotating shaft (24) is rotatably connected with the corresponding vertical rod (112), the lower end of the second rotating shaft (24) is fixedly connected with the corresponding fixing block (23), the head of the fixing bolt (25) faces downwards, and the tail end of the fixing bolt (25) penetrates through the corresponding fixing block (23) to be in threaded connection with the corresponding vertical rod (112);

the roller (3) is transversely arranged between the two vertical rods (112), and the roller (3) comprises a roller core (31) and a brush layer (32);

the brush layer (32) is fixedly arranged on an outer cylindrical surface of the cylinder core (31), a plurality of blind holes are formed in the left end surface and the right end surface of the cylinder core (31), the blind holes are uniformly distributed along the circumference of the axis of the cylinder core (31), and the first rotating shaft (22) penetrates through the cylinder core (31) and is in clearance fit with the cylinder core (31);

the roller fixing structure comprises a locking nut (41) and two locking blocks (42);

the two locking blocks (42) are respectively positioned at the left end and the right end of the cylinder core (31), the locking blocks (42) are of circular plate structures, the first rotating shaft (22) penetrates through the two locking blocks (42), the locking block (42) on the left side of the cylinder core (31) is fixedly connected with the first rotating shaft (22), and the locking block (42) on the right side of the cylinder core (31) is in clearance fit with the first rotating shaft (22);

a plurality of protruding cylinders (43) are arranged on one side, close to the corresponding cylinder core (31), of each of the two locking blocks (42), the protruding cylinders (43) correspond to the blind holes one by one, the protruding cylinders (43) are located in the blind holes respectively, and the protruding cylinders (43) are in clearance fit with the blind holes;

the locking nut (41) is positioned between the locking block (42) on the right side of the cylinder core (31) and the adjacent vertical rod (112), the locking nut (41) is in threaded connection with the first rotating shaft (22), and the left end of the locking nut (41) abuts against the adjacent locking block (42);

the anti-dripping structure comprises a scraper (51) and an adjusting rod (52);

the opposite side surfaces of the two vertical rods (112) are respectively provided with a sliding groove (53) along the length direction of the vertical rods (112);

the scraper (51) is positioned above the roller, the scraper (51) is transversely arranged between the two vertical rods (112), the left end and the right end of the scraper (51) are respectively positioned in the two sliding grooves (53), and the scraper (51) can slide up and down along the sliding grooves (53);

the adjusting rod (52) is vertically positioned above the scraper (51), the lower end of the adjusting rod (52) is rotatably connected with the scraper (51), and the upper end of the adjusting rod (52) penetrates through the cross rod (111) and is in threaded connection with the cross rod (111).

2. An environmentally friendly, material-saving painting apparatus according to claim 1, wherein: the painting device further comprises a plurality of replacing parts, and the replacing parts are the same as the roller structure.

3. An environmentally friendly, material-saving painting apparatus according to claim 2, wherein: the painting device further comprises an extension rod (61), and one end of the extension rod (61) is in threaded connection with one end, far away from the U-shaped frame (11), of the holding rod (12).

4. An environmentally friendly, material-saving painting apparatus according to claim 3, wherein: the holding rod (12) is provided with a rubber handle sleeve (71).

5. An eco-friendly and energy saving type painting apparatus according to any one of claims 1 to 4, wherein: the upper end of the adjusting rod (52) is fixedly connected with an auxiliary rod (81), and the axis of the auxiliary rod (81) is perpendicular to the axis of the adjusting rod (52).