Anti-dripping roller brush for constructional engineering
By designing protective and connecting devices on the roller brush, using a semi-cylinder and counterweight to keep the bottom of the roller brush in place, and combining this with a sponge block to absorb the paint, the problem of paint dripping is solved, achieving an anti-drip effect.
Patent Information
- Application Number
- CN202520156161.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-23
AI Technical Summary
Paint can easily drip off roller brushes during use, affecting construction work.
A roller brush is designed, comprising a roller brush body, a connecting rod, a protective device, and a connecting device. The protective device is held at the bottom of the roller brush by gravity through a semi-cylinder and a counterweight, and combined with a sponge block to absorb paint and prevent dripping.
It effectively prevents paint dripping, improving the construction quality and efficiency of building projects.
Smart Images

Figure CN223853773U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of roller brush especially relates to a building engineering is with anti -dripping roller brush. BACKGROUND
[0002] The roller brush is a device for decorating wall in building engineering, when using the roller brush, the coating is stuck on the surface of the roller brush, the construction worker holds the handle, extrudes the roller brush on the wall, and makes the roller rotate, so that the wall can be decorated well.
[0003] The inventor found that the roller brush still has at least the following problems in daily work: when using the roller brush, the coating is stuck on the surface of the roller brush, the construction worker holds the handle, extrudes the roller brush on the wall, and makes the roller rotate, so that the wall can be decorated well, but in the actual use process, when the roller brush avoids sticking too much coating, the coating is easy to drip from the surface of the roller brush, which will affect the construction of building engineering to some extent. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings in the prior art and provides a building engineering is with anti -dripping roller brush.
[0005] In order to achieve the above object, the utility model adopts the following technical scheme: a building engineering is with anti -dripping roller brush, including the roller brush main part, one side of the roller brush main part rotatory and inserts the connecting rod, the one end of the connecting rod away from the roller brush main part is fixedly connected with the handle, the bottom of the roller brush main part is provided with the protection device, one end of the handle is provided with the connecting device, the protection device includes the half cylinder, the half cylinder sets up at the bottom of the roller brush main part, the surface of the connecting rod close to the one end of the roller brush main part rotatory and is provided with the ring, the bottom of the ring is fixedly connected with the support rod, the bottom of the support rod and the top of the half cylinder are fixedly connected, the bottom of the half cylinder is fixedly connected with the counterweight.
[0006] The effect reached by the above-mentioned components is that when the protection device is used, the half cylinder is arranged at the bottom of the half cylinder through the ring, because the bottom of the half cylinder is fixedly connected with the counterweight, the half cylinder can drive the ring to rotate on the surface of the connecting rod under the action of gravity, so that the half cylinder is always arranged at the bottom of the roller brush main part, which can avoid the coating dripping to some extent.
[0007] Preferably, the side away from the supporting rod of the semi-cylinder is fixedly connected with a supporting plate, a fixed rod is slidably penetrated and arranged on the side away from the semi-cylinder of the supporting plate, a first spring is sleeved on the surface of the fixed rod, one end of the first spring is fixedly connected with one end of the fixed rod, the end of the first spring close to the fixed rod is fixedly connected with one side of the supporting plate, a circular groove is arranged on the end of the fixed rod close to the roller brush body, and rolling balls are arranged on the inner wall of the circular groove.
[0008] The above-mentioned components achieve the effect that the fixed rod is pulled by the first spring towards the direction close to the semi-cylinder, and then one end of the fixed rod is pressed on one side of the roller brush body, so that the roller brush body can drive the rolling balls to rotate when rotating, and the fixed rod does not affect the rotation of the roller brush body.
[0009] Preferably, a rotating groove is arranged on the inner wall of the circular ring, a fixed ring is rotatably sleeved on the inner wall of the rotating groove, and the fixed ring is fixedly connected with the surface of the connecting rod.
[0010] The above-mentioned components achieve the effect that the fixed ring can well avoid the left and right sliding of the circular ring on the surface of the connecting rod.
[0011] Preferably, rubber blocks are fixedly connected with the inner wall of the semi-cylinder, a sponge block is arranged in the semi-cylinder, and the rubber blocks are arranged on the top of the sponge block.
[0012] The above-mentioned components achieve the effect that the sponge block is slid to the bottom of the inner wall of the semi-cylinder, and then the sponge block is limited in the semi-cylinder, so that the paint can be adsorbed by the sponge block, and the leaked paint can be well avoided.
[0013] Preferably, the connecting device comprises an extension rod, a connecting groove is arranged on the bottom of the handle, the inner wall of the connecting groove is slidably connected with the top of the extension rod, a U-shaped plate is slidably connected with the inner wall of the bottom of the handle, a circular plate is fixedly connected with the surface of the extension rod, the bottom of the U-shaped plate is slidably sleeved on the surface of the bottom of the circular plate, a first damping rod is fixedly connected with the inner wall of the bottom of the handle, one end of the first damping rod away from the handle is fixedly connected with one side of the U-shaped plate, a second spring is sleeved on the surface of the first damping rod, one end of the second spring is fixedly connected with one side of the inner wall of the handle, and the end of the second spring close to the first damping rod is fixedly connected with one side of the U-shaped plate.
[0014] The above-mentioned components achieve the effect that when the connecting device is used, the extension rod is manually slid into the connecting groove, then the U-shaped plate is pulled by the second spring towards the handle, so that the bottom of the U-shaped plate is arranged on the bottom of the circular plate, and the extension rod is well limited in the connecting groove.
[0015] Preferably, the top of the extension rod is provided with a rectangular slot, and the inner wall of the rectangular slot is slidably connected with a rectangular strip, and the end of the rectangular strip away from the rectangular slot is fixedly connected with the top of the inner wall of the rectangular slot.
[0016] The above-mentioned component achieves the effect that the rectangular strip is slid into the rectangular slot, so that the rotation of the extension rod on the inner wall of the connecting slot can be avoided to a certain extent.
[0017] Preferably, the bottom of the handle is slidably sleeved with a limiting sleeve on one side, and the limiting sleeve is sleeved on the side of the U-shaped plate away from the handle, so that the bottom of the U-shaped plate can be well limited on the bottom of the circular plate.
[0018] The above-mentioned component achieves the effect that the limiting sleeve is manually sleeved on the top of the U-shaped plate, so that the bottom of the U-shaped plate can be well arranged on the bottom of the circular plate.
[0019] Preferably, the top of the bottom of the handle is uniformly fixedly connected with a second damping rod, the top of the second damping rod is fixedly connected with the top of the inner wall of the limiting sleeve, the surface of the second damping rod is sleeved with a third spring, the bottom of the third spring is fixedly connected with the side of the bottom of the handle, and the end of the third spring close to the second damping rod is fixedly connected with the top of the inner wall of the limiting sleeve.
[0020] The above-mentioned component achieves the effect that the limiting sleeve is pulled towards the direction close to the extension rod by the third spring, so that the limiting sleeve can be well sleeved on the side of the U-shaped plate away from the handle.
[0021] In the utility model, when the protection device is used, the semicircular cylinder is arranged at the bottom of the semicircular cylinder through the circular ring, the semicircular cylinder is fixedly connected with the counterweight at the bottom, the semicircular cylinder can drive the circular ring to rotate on the surface of the connecting rod under the action of gravity, and the semicircular cylinder can be always arranged at the bottom of the roller brush main body, so that paint dripping can be avoided to a certain extent. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 A three-dimensional structure schematic view of the anti-dripping roller brush for construction engineering is provided in the utility model;
[0023] Figure 2 A three-dimensional structure schematic view of the novel semicircular cylinder is provided in the utility model;
[0024] Figure 3 A three-dimensional structure schematic view of the novel sponge block is provided in the utility model;
[0025] Figure 4 A three-dimensional structure schematic view of the novel limiting sleeve is provided in the utility model.
[0026] Legend: 1. Handle; 2. Connecting rod; 3. Roller brush body; 4. Protective device; 401. Ring; 402. Support rod; 403. Semi-cylinder; 404. Counterweight; 405. Support plate; 406. Fixing rod; 407. First spring; 408. Circular groove; 409. Ball bearing; 410. Rotating groove; 411. Fixing ring; 412. Sponge block; 413. Rubber block; 5. Connecting device; 501. Connecting groove; 502. Extension rod; 503. Rectangular strip; 504. Rectangular groove; 505. Circular plate; 506. U-shaped plate; 507. First damping rod; 508. Second spring; 509. Second damping rod; 510. Third spring; 511. Limiting sleeve. Detailed Implementation
[0027] Example 1, such as Figures 1-4 As shown, a drip-proof roller brush for construction engineering has a connecting rod 2 rotatably inserted into one side of the roller brush body 3. A handle 1 is fixedly connected to the end of the connecting rod 2 away from the roller brush body 3. A protective device 4 is provided at the bottom of the roller brush body 3. A connecting device 5 is provided at one end of the handle 1. When using the roller brush, paint is applied to the surface of the roller brush. The construction worker holds the handle 1 and presses the roller brush against the wall, causing the roller to rotate. This allows for effective wall decoration.
[0028] Reference Figure 2 and Figure 3The protective device 4 comprises a semi-cylinder 403 arranged at the bottom of the roller brush body 3, a circular ring 401 rotatably sleeved on the surface of the connecting rod 2 near one end of the roller brush body 3, a supporting rod 402 fixedly connected to the bottom of the circular ring 401, the bottom of the supporting rod 402 and the top of the semi-cylinder 403 are fixedly connected, the semi-cylinder 403 is fixedly connected with a counterweight 404 at the bottom, when the protective device 4 is used, the semi-cylinder 403 is arranged at the bottom of the semi-cylinder 403 through the circular ring 401, because the semi-cylinder 403 is fixedly connected with the counterweight 404 at the bottom, so that the semi-cylinder 403 can drive the circular ring 401 to rotate on the surface of the connecting rod 2 under the action of gravity, thereby the semi-cylinder 403 can be always arranged at the bottom of the roller brush body 3, which can avoid paint dripping to a certain extent, the supporting plate 405 is fixedly connected to the side of the semi-cylinder 403 away from the supporting rod 402, the fixed rod 406 is slidably inserted into the side of the supporting plate 405 away from the semi-cylinder 403, the first spring 407 is sleeved on the surface of the fixed rod 406, one end of the first spring 407 and one end of the fixed rod 406 are fixedly connected, the end of the first spring 407 near the fixed rod 406 is fixedly connected to one side of the supporting plate 405, the circular groove 408 is arranged on the end of the fixed rod 406 near the roller brush body 3, the inner wall of the circular groove 408 is provided with the ball 409, the fixed rod 406 is pulled towards the semi-cylinder 403 by the first spring 407, thereby the one end of the fixed rod 406 is pressed on one side of the roller brush body 3, when the roller brush body 3 rotates, the ball 409 can be driven to rotate, so that the fixed rod 406 will not affect the rotation of the roller brush body 3, the rotating groove 410 is arranged in the inner wall of the circular ring 401, the fixed ring 411 is rotatably sleeved on the inner wall of the rotating groove 410, the fixed ring 411 is fixedly connected to the surface of the connecting rod 2, the circular ring 401 can be well avoided to slide left and right on the surface of the connecting rod 2 through the fixed ring 411, the rubber blocks 413 are uniformly fixedly connected to the inner wall of the semi-cylinder 403, the sponge block 412 is arranged in the semi-cylinder 403, the rubber blocks 413 are arranged on the top of the sponge block 412, the sponge block 412 is limited in the semi-cylinder 403 by sliding to the bottom of the inner wall of the semi-cylinder 403, thereby the paint can be adsorbed by the sponge block 412, which can well avoid the paint dripping out of the inside of the semi-cylinder 403.
[0029] Referring to Figure 4The connecting device 5 comprises an extension rod 502, the bottom of the handle 1 is provided with a connecting groove 501, the inner wall of the connecting groove 501 is in sliding connection with the top of the extension rod 502, the inner wall of the bottom of the handle 1 is in sliding connection with a U-shaped plate 506, the surface of the extension rod 502 is fixedly connected with a circular plate 505, the bottom of the U-shaped plate 506 is in sliding sleeving on the surface of the bottom of the circular plate 505, the inner wall of the bottom of the handle 1 is fixedly connected with a first damping rod 507, one end of the first damping rod 507 away from the handle 1 is fixedly connected with one side of the U-shaped plate 506, the surface of the first damping rod 507 is sleeved with a second spring 508, one end of the second spring 508 is fixedly connected with one side of the inner wall of the handle 1, one end of the second spring 508 close to the first damping rod 507 is fixedly connected with one side of the U-shaped plate 506, when the connecting device 5 is used, the extension rod 502 is manually slid into the connecting groove 501, then the U-shaped plate 506 is pulled to the direction close to the handle 1 through the second spring 508, so that the bottom of the U-shaped plate 506 is arranged on the bottom of the circular plate 505, and the extension rod 502 is well limited in the connecting groove 501, the top of the extension rod 502 is provided with a rectangular groove 504, the inner wall of the rectangular groove 504 is in sliding connection with a rectangular strip 503, one end of the rectangular strip 503 away from the rectangular groove 504 is fixedly connected with the top of the inner wall of the rectangular groove 504, the rectangular strip 503 is slid into the rectangular groove 504, so that the extension rod 502 is prevented from rotating on the inner wall of the connecting groove 501 to a certain extent, one side of the bottom of the handle 1 is in sliding sleeving with a limiting sleeve 511, the limiting sleeve 511 is sleeved with one side of the U-shaped plate 506 away from the handle 1, so that the bottom of the U-shaped plate 506 is well limited on the bottom of the circular plate 505, the limiting sleeve 511 is manually sleeved on the top of the U-shaped plate 506, so that the bottom of the U-shaped plate 506 is well arranged on the bottom of the circular plate 505, the top of one side of the bottom of the handle 1 is uniformly fixedly connected with a second damping rod 509, the top of the second damping rod 509 is fixedly connected with the top of the inner wall of the limiting sleeve 511, the surface of the second damping rod 509 is sleeved with a third spring 510, the bottom of the third spring 510 is fixedly connected with one side of the bottom of the handle 1, one end of the third spring 510 close to the second damping rod 509 is fixedly connected with the top of the inner wall of the limiting sleeve 511, the limiting sleeve 511 is pulled to the direction close to the extension rod 502 through the third spring 510, so that the limiting sleeve 511 is well sleeved on one side of the U-shaped plate 506 away from the handle 1.
[0030] The working principle is that when the roller brush is used, the paint is attached to the surface of the roller brush, the operator holds the handle 1, extrudes the roller brush on the wall, and makes the roller rotate, so that the wall can be well decorated, when the protective device 4 is used, the first spring 407 is used to pull the fixed rod 406 close to the semicircular cylinder 403, so that one end of the fixed rod 406 is extruded on one side of the roller brush body 3, when the roller brush body 3 rotates, the ball 409 can be driven to rotate, so that the fixed rod 406 does not affect the rotation of the roller brush body 3, then the semicircular cylinder 403 is arranged at the bottom of the semicircular cylinder 403 through the circular ring 401, because the semicircular cylinder 403 is fixedly connected with the counterweight 404, so that the semicircular cylinder 403 drives the circular ring 401 to rotate on the surface of the connecting rod 2 under the action of gravity, so that the semicircular cylinder 403 is always arranged at the bottom of the roller brush body 3, so that the paint can be prevented from falling to a certain extent, wherein the sponge block 412 is slid to the bottom of the inner wall of the semicircular cylinder 403, so that the sponge block 412 is limited in the semicircular cylinder 403, so that the paint can be adsorbed by the sponge block 412, so that the paint falling out of the semicircular cylinder 403 can be well avoided, when the connecting device 5 is used, the extension rod 502 is manually slid into the connecting groove 501, and the rectangular strip 503 is slid into the rectangular groove 504, so that the extension rod 502 can be prevented from rotating on the inner wall of the connecting groove 501 to a certain extent, so that the second spring 508 pulls the U-shaped plate 506 close to the handle 1, so that the bottom of the U-shaped plate 506 is arranged at the bottom of the circular plate 505, and the third spring 510 pulls the limiting sleeve 511 close to the extension rod 502, so that the limiting sleeve 511 is well sleeved on the side, away from the handle 1, of the U-shaped plate 506, so that the extension rod 502 is well limited in the connecting groove 501, so that the length of the handle 1 can be well extended, so that the high place can be well decorated.
[0031] It should be noted that all the damping rods in the case are telescopic dampers, which can absorb energy during telescoping.
Claims
1. A drip-proof roller brush for construction work, comprising a roller brush body (3), characterized in that: One side of the drum brush body (3) is rotatably provided with a connecting rod (2), one end of the connecting rod (2) away from the drum brush body (3) is fixedly connected with a handle (1), the bottom of the drum brush body (3) is provided with a protection device (4), one end of the handle (1) is provided with a connecting device (5), the protection device (4) comprises a half cylinder (403), the half cylinder (403) is arranged at the bottom of the drum brush body (3), the surface of one end of the connecting rod (2) close to the drum brush body (3) is rotatably provided with a circular ring (401), the bottom of the circular ring (401) is fixedly connected with a supporting rod (402), the bottom of the supporting rod (402) and the top of the half cylinder (403) are fixedly connected, the bottom of the half cylinder (403) is fixedly connected with a counterweight (404).
2. A drip-free roller brush for use in construction work according to claim 1, characterized in that: One side of the half cylinder (403) away from the supporting rod (402) is fixedly connected with a supporting plate (405), one side of the supporting plate (405) away from the half cylinder (403) is slidably provided with a fixed rod (406), the surface of the fixed rod (406) is sleeved with a first spring (407), one end of the first spring (407) and one end of the fixed rod (406) are fixedly connected, one end of the first spring (407) close to the fixed rod (406) and one side of the supporting plate (405) are fixedly connected, one end of the fixed rod (406) close to the drum brush body (3) is provided with a circular groove (408), the inner wall of the circular groove (408) is provided with a ball (409).
3. A drip-free roller brush for use in construction work according to claim 1, characterized in that: The inner wall of the circular ring (401) is provided with a rotating groove (410), the inner wall of the rotating groove (410) is rotatably sleeved with a fixed ring (411), the fixed ring (411) is fixedly connected with the surface of the connecting rod (2).
4. The drip-free roller brush for construction work according to claim 1, characterized in that: The inner wall of the half cylinder (403) is uniformly fixedly connected with a rubber block (413), the inside of the half cylinder (403) is provided with a sponge block (412), the rubber block (413) is arranged at the top of the sponge block (412).
5. The drip-free roller brush for construction work according to claim 1, wherein: The connecting device (5) comprises an extension rod (502), the bottom of the handle (1) is provided with a connecting groove (501), the inner wall of the connecting groove (501) and the top of the extension rod (502) are slidably connected, the inner wall of the bottom of the handle (1) is slidably connected with a U-shaped plate (506), the surface of the extension rod (502) is fixedly connected with a circular plate (505), the bottom of the U-shaped plate (506) is slidably sleeved on the surface of the bottom of the circular plate (505), the inner wall of the bottom of the handle (1) is fixedly connected with a first damping rod (507), one end of the first damping rod (507) away from the handle (1) and one side of the U-shaped plate (506) are fixedly connected, the surface of the first damping rod (507) is sleeved with a second spring (508), one end of the second spring (508) and one side of the inner wall of the handle (1) are fixedly connected, one end of the second spring (508) close to the first damping rod (507) and one side of the U-shaped plate (506) are fixedly connected.
6. A drip-free roller brush for use in construction work according to claim 5, characterized in that: The top of the extension rod (502) is provided with a rectangular groove (504), the inner wall of the rectangular groove (504) is slidably connected with a rectangular strip (503), and the end, away from the rectangular groove (504), of the rectangular strip (503) is fixedly connected with the top of the inner wall of the rectangular groove (504).
7. The drip-free roller brush for construction work according to claim 1, wherein: The bottom of the handle (1) is slidably sleeved with a limiting sleeve (511), the limiting sleeve (511) is sleeved on the side, away from the handle (1), of the U-shaped plate (506), so that the bottom of the U-shaped plate (506) is well limited on the bottom of the circular plate (505).
8. A drip-free roller brush for use in construction work according to claim 1, characterized in that: The top of the side of the bottom of the handle (1) is uniformly fixedly connected with a second damping rod (509), the top of the second damping rod (509) is fixedly connected with the top of the inner wall of the limiting sleeve (511), the surface of the second damping rod (509) is sleeved with a third spring (510), the bottom of the third spring (510) is fixedly connected with the side of the bottom of the handle (1), and the end, close to the second damping rod (509), of the third spring (510) is fixedly connected with the top of the inner wall of the limiting sleeve (511).