A waterproofing brushing device for outer wall screw hole

Abstract

The application discloses a kind of outer wall screw hole waterproof brushing device, including front end opening and rear end closed barrel, the front end opening of barrel is equipped with brush head assembly, the inside of barrel is divided into front coating cavity and rear balance cavity by piston assembly, piston assembly extends barrel, coating cavity is communicated with brush head assembly, inlet pipe that is communicated coating cavity is equipped on barrel, atmosphere pipe and balance pipe that are communicated balance cavity are equipped on barrel, atmosphere pipe is the one-way flow structure from outside to inside, inlet pipe and balance pipe are all communicated with coating supply assembly.The beneficial effects of the application: adopt the brush device of needle cylinder type, can accurately grasp brushing area and brushing material;The front and rear cavities of barrel can realize pressure balance, ensure that front cavity always stores material, facilitate operation;When brushing, rotating brush head assembly can ensure that coating is brushed evenly, optimize brushing effect.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of building waterproofing, and particularly relates to a waterproof brushing device for a screw hole of an outer wall. BACKGROUND

[0002] After the screw hole of the outer wall is blocked, waterproof treatment needs to be performed. If the screw hole is not tightly blocked, not only the leakage rate of the wall surface will greatly increase, but also the tightness of the room will be affected. Therefore, waterproof material needs to be brushed at the screw hole of the outer wall to enhance the waterproof capacity. However, the brushing of the waterproof material currently greatly depends on the skill of workers, the appearance quality is not easy to guarantee, the waterproof effect cannot be guaranteed, the brushing efficiency is low, and the brushing effect is poor. SUMMARY

[0003] The application aims to provide a waterproof brushing device for a screw hole of an outer wall, and solve the problems of low efficiency and poor effect of the waterproof treatment of the screw hole of the outer wall.

[0004] The application aims to achieve the above-mentioned purpose through the following technical solutions.

[0005] The waterproof brushing device for the screw hole of the outer wall comprises a cylinder with an open front end and a closed rear end. A brush head assembly is arranged at the open front end of the cylinder. The inside of the cylinder is divided into a front coating cavity and a rear balance cavity by a piston assembly. The piston assembly extends out of the cylinder. The coating cavity is in communication with the brush head assembly. A feeding pipe in communication with the coating cavity is arranged on the cylinder. An atmosphere pipe and a balance pipe in communication with the balance cavity are arranged on the cylinder. The atmosphere pipe is a one-way flow structure from outside to inside. The feeding pipe and the balance pipe are both in communication with a coating supply assembly.

[0006] Further, the cylinder comprises a cylinder ring. The brush head assembly is arranged at the open front end of the cylinder ring. A cover is arranged at the open rear end of the cylinder ring. The brush head assembly, the cylinder ring and the piston assembly form the coating cavity. The piston assembly, the cylinder ring and the cover form the balance cavity.

[0007] Further, the feeding pipe on the cylinder is symmetrically arranged.

[0008] Further, the brush head assembly comprises a brush ring. The brush ring is arranged at the open front end of the cylinder. A material permeation hole plate is arranged in the brush ring. A sponge body is arranged at the front end of the material permeation hole plate.

[0009] Further, the material permeation hole plate is a one-way flow structure from inside to outside.

[0010] Further, the piston assembly comprises a piston. A sealing ring in contact with the inner wall of the cylinder is arranged on the outer wall of the piston. The rear end of the piston is connected with the front end of a push rod. The push rod extends out of the rear end of the cylinder. The rear end of the push rod is connected with a push handle.

[0011] Further, the paint supply assembly comprises a paint bucket, the paint bucket is provided with an air inlet pipe and a discharge pipe, the air inlet pipe is communicated with the balance pipe, the discharge pipe is communicated with the feed pipe, and the discharge pipe extends to the bottom of the paint bucket.

[0012] Further, the brush head assembly and the piston assembly are arranged on the barrel in axial rotation.

[0013] Further, the linkage assembly comprises a connecting rod, the front end of the connecting rod is connected with a cross seat arranged on the brush head assembly, the rear end of the connecting rod is connected with a cross rod, the cross rod is connected with a snap ring, and the snap ring is axially slidably and circumferentially clamped with the extended end of the piston assembly.

[0014] Further, the snap ring is provided with a cross-shaped groove in the center, and the outer periphery of the push rod is provided with a cross-shaped edge matched with the cross-shaped groove.

[0015] The beneficial effects of the present application are as follows:

[0016] (1) The needle cylinder type brushing device can accurately control the brushing area and the brushing material, thereby ensuring the final brushing effect, forming a complete and uniform waterproof surface layer, and guaranteeing the water blocking effect of the screw hole.

[0017] (2) The front and rear cavities of the barrel can realize pressure balance, the paint is brushed when the piston assembly is pushed forward, the paint supply assembly is counter-pressed when the piston assembly is pulled backward, the paint is simultaneously pressed and sent to the front cavity, the front cavity is always stored with paint, and the operation is convenient.

[0018] (3) The linkage assembly is used to realize the synchronous rotation between the brush head assembly and the piston assembly, the brush head assembly can be driven to rotate by operating the piston assembly at the rear end, the rotating brush head assembly can ensure uniform brushing of the paint and optimize the brushing effect.

[0019] The foregoing main scheme of the present application and each further selected scheme thereof can be freely combined to form multiple schemes, all of which are the schemes that can be adopted and claimed by the present application; and the present application can also be freely combined between the (each non-conflict selection) selected schemes and between the other selected schemes. Those skilled in the art can understand that there are multiple combinations according to the existing technology and common knowledge after understanding the schemes of the present application, all of which are the technical schemes claimed by the present application, and are not listed here. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural schematic diagram of the present application.

[0021] Figure 2 is a structural half-sectional view of the barrel of the present application.

[0022] Figure 3 is a structural front view of the barrel of the present application.

[0023] Figure 4 is the structural side view of the barrel of the present application.

[0024] Figure 5 is the structural schematic diagram of the piston assembly of the present application.

[0025] Figure 6 is the structural schematic diagram of the linkage assembly of the present application.

[0026] Figure 7 is the structural schematic diagram of the paint supply assembly of the present application.

[0027] In the figure: 1-barrel, 2-brush head assembly, 3-piston assembly, 4-paint supply assembly, 5-linkage assembly; 101-barrel ring, 102-lid, 103-paint cavity, 104-balance cavity, 105-atmosphere pipe, 106-balance pipe, 107-feeding pipe; 201-brush ring, 202-penetrating hole plate, 203-sponge body; 301-piston, 302-sealing ring, 303-push rod, 304-push hand; 401-paint bucket, 402-air inlet pipe, 403-discharge pipe; 501-connecting rod, 502-cross seat, 503-cross rod, 504-clamp ring. DETAILED DESCRIPTION

[0028] The following non-limiting examples are intended to illustrate the present application.

[0029] Example 1

[0030] Reference Figures 1-7 As shown in the figure, an outer wall screw hole waterproof brushing device includes a barrel 1, a brush head assembly 2, a piston assembly 3, a paint supply assembly 4, and a linkage assembly 5.

[0031] The barrel 1 is of a structure with an open front end and a closed rear end, which is used for containing paint and providing air pressure. The brush head assembly 2 is arranged at the open front end of the barrel 1, and directly contacts the outer wall, so as to penetrate the paint in the barrel 1 to the outer wall to complete the brushing function.

[0032] The inside of the barrel 1 is divided into a front paint cavity 103 and a rear balance cavity 104 by the piston assembly 3. When the piston assembly 3 extends out of the barrel 1, the extension end of the piston assembly 3 is controlled to drive the piston assembly 3 to move forward and backward, so as to change the size of the space inside the paint cavity 103 and the balance cavity 104, and switch the functions of forward pushing and brushing and rear pulling and pressure increasing.

[0033] The paint cavity 103 is in communication with the brush head assembly 2. The barrel 1 is provided with a feeding pipe 107 in communication with the paint cavity 103. The barrel 1 is provided with an atmosphere pipe 105 and a balance pipe 106 in communication with the balance cavity 104. The feeding pipe 107 and the balance pipe 106 are in communication with the paint supply assembly 4.

[0034] The atmosphere pipe 105 is a one-way flow structure from outside to inside, and the feeding pipe 107 is also a one-way flow structure from outside to inside. When the piston assembly 3 is pushed forward, the atmosphere pipe 105 opens to supplement the air into the balance cavity 104, the feeding pipe 107 and the balance pipe 106 are closed, the piston assembly 3 extrudes the paint in the paint cavity 103, and the paint seeps out of the brush head assembly 2 to the outer wall screw hole.

[0035] When the piston assembly 3 is pulled back, the atmosphere pipe 105 is closed, the balance pipe 106 and the feeding pipe 107 are opened, the piston assembly 3 extrudes the gas in the balance cavity 104, the gas in the balance cavity 104 enters the paint supply assembly 4 through the balance pipe 106, the pressure in the paint supply assembly 4 increases, the paint in the paint supply assembly 4 is pressed to the paint cavity 103 through the feeding pipe 107, the paint cavity 103 is replenished with paint, and the paint cavity 103 is always full of paint.

[0036] The brush head assembly 2 and the piston assembly 3 are arranged on the cylinder 1 in an axial rotation, the brush head assembly 2 is connected with the piston assembly 3 through the linkage assembly 5, the piston assembly 3 is rotated, the brush head assembly 2 is driven to rotate synchronously through the linkage assembly 5, and the uniform brushing of the paint is realized by the rotating brush head assembly 2.

[0037] The cylinder 1 includes a cylinder ring 101 and a cover 102. The cylinder ring 101 is a cylindrical structure, the brush head assembly 2 is arranged at the front opening of the cylinder ring 101, the brush head assembly 2 blocks the front opening, so that the paint can only seep out of the brush head assembly 2, and the cover 102 is welded at the rear opening of the cylinder ring 101, the cover 102 is a disc structure, and the rear opening is completely blocked. The brush head assembly 2, the cylinder ring 101 and the piston assembly 3 (the piston 301) form the paint cavity 103, and the piston assembly 3 (the piston 301), the cylinder ring 101 and the cover 102 form the balance cavity 104.

[0038] The atmosphere pipe 105, the balance pipe 106 and the feeding pipe 107 are all welded and fixed on the cylinder ring 101. The feeding pipes 107 on the cylinder ring 101 are symmetrically arranged, preferably two feeding pipes 107 are symmetrically arranged, and the two feeding pipes 107 are communicated with the discharge pipe 403 of the paint supply assembly 4 through a three-way valve, so that uniform feeding can be realized, and smooth and stable feeding can be ensured.

[0039] The brush head assembly 2 includes a brush ring 201, a seepage hole plate 202 and a sponge body 203. The brush ring 201 is arranged at the front opening of the cylinder ring 101 as a circular ring-shaped mounting base, the seepage hole plate 202 in a disc shape is arranged in the brush ring 201, the sponge body 203 in a cylindrical shape is arranged at the front end of the seepage hole plate 202, the paint in the paint cavity 103 flows out through the uniformly distributed seepage holes on the seepage hole plate 202, and then the paint is adsorbed on the sponge body 203. In the brushing operation, the sponge body 203 contacts the outer wall to realize pressure discharge, and the paint is brushed on the outer wall.

[0040] The material permeable hole plate 202 is a one-way flow structure from inside to outside, so when the rear pulling piston 301 is pulled, the paint cavity 103 can also form a negative pressure environment, optimizing the feeding effect.

[0041] The piston assembly 3 includes a piston 301, a sealing ring 302, a push rod 303, and a push hand 304. The piston 301 is a cylindrical structure, and the outer wall (periphery) of the piston 301 is provided with a sealing ring 302 in contact with the inner wall of the cylinder 1, and the piston 301 and the sealing ring 302 complete the absolute separation of the front and rear cavities in the cylinder 1.

[0042] The rear end center of the piston 301 is fixedly connected with the front end of the push rod 303, the push rod 303 extends out of the cover 102 at the rear end of the cylinder 1, and the rear end of the push rod 303 is fixedly connected with the push hand 304. Through the push hand 304, the piston 301 and the push rod 303 are conveniently operated to control their forward and backward movement or rotation.

[0043] The paint supply assembly 4 includes a paint bucket 401 for storing paint, and the paint bucket 401 is provided with an air inlet pipe 402 and a discharge pipe 403. The air inlet pipe 402 is communicated with the balance pipe 106 through a hose to send the gas in the balance cavity 104 into the paint bucket 401 to increase the pressure inside the paint bucket 401. The discharge pipe 403 is communicated with the feeding pipe 107 through a hose, and the discharge pipe 403 extends to the bottom of the paint bucket 401, so that after the inside of the paint bucket 401 is pressurized, the paint can be pressurized and sent to the paint cavity 103.

[0044] The brush ring 201 of the brush head assembly 2 is arranged on the cylinder ring 101 in axial rotation, the piston 301 of the piston assembly 3 is also arranged on the cylinder ring 101 in axial rotation, and the push rod 303 is arranged on the cover 102 in axial rotation. The linkage assembly 5 includes a connecting rod 501, a cross seat 502, a cross rod 503, and a snap ring 504. The front end of the connecting rod 501 is fixedly connected with the cross seat 502, the cross seat 502 is fixedly arranged on the brush ring 201, the rear end of the connecting rod 501 is connected with the cross rod 503, the cross rod 503 is connected with the snap ring 504, and the snap ring 504 and the push rod 303 form an axial sliding and circumferential clamping cooperation.

[0045] Preferably, the center of the snap ring 504 is provided with a cross-shaped groove, the outer periphery of the push rod 303 is provided with a cross-shaped edge matched with the cross-shaped groove, and the snap ring 504 is sleeved on the push rod 303. When the push rod 303 moves forward and backward, the connecting rod 501 will not move forward and backward, but when the push rod 303 rotates in the axial direction, the snap ring 504 and the connecting rod 501 will rotate synchronously, and the brush ring 201 and the sponge body 203 will also rotate, ensuring the uniform brushing effect.

[0046] The foregoing general description and the further particular descriptions of embodiments of the application can be freely combined in order to form further embodiments, all of which are intended to be embraced by the application as claimed. In the context of the present application, each particular description can be combined with any of the other particular descriptions and with any of the general descriptions.

[0047] The above description is only the preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A waterproof coating device for screw holes in exterior walls, comprising a cylinder (1) with an open front end and a closed rear end, characterized in that: The front end opening of the cylinder (1) is provided with a brush head assembly (2), and the interior of the cylinder (1) is divided into a paint chamber (103) at the front and a balance chamber (104) at the rear by a piston assembly (3). The piston assembly (3) extends out of the cylinder (1), and the paint chamber (103) is communicated with the brush head assembly (2). The cylinder (1) is provided with a feed pipe (107) communicating with the paint chamber (103), and the cylinder (1) is provided with an atmospheric pipe (105) and a balance pipe (106) communicating with the balance chamber (104). The atmospheric pipe (105) is a unidirectional flow structure from outside to inside, and the feed pipe (107) and the balance pipe (106) are both communicated with the paint supply assembly (4); The brush head assembly (2) comprises a brush ring (201), which is arranged at the front end opening of the cylinder (1), a seepage plate (202) is provided in the brush ring (201), and a sponge (203) is provided at the front end of the seepage plate (202); The permeation orifice plate (202) is a one-way flow structure from inside to outside; The brush head assembly (2) and the piston assembly (3) are axially rotatably arranged on the cylinder (1), and the brush head assembly (2) is connected to the piston assembly (3) via a linkage assembly (5); The linkage assembly (5) comprises a connecting rod (501), the front end of the connecting rod (501) is connected to a cross seat (502), the cross seat (502) is arranged on the brush head assembly (2), the rear end of the connecting rod (501) is connected to a cross bar (503), the cross bar (503) is connected to a snap ring (504), and the snap ring (504) is axially slidable and circumferentially clamped with the extended end of the piston assembly (3).

2. The waterproof coating device for screw holes in exterior walls according to claim 1, characterized in that: The cylinder (1) comprises a cylinder ring (101), a brush head assembly (2) is provided at the front opening of the cylinder ring (101), a sealing cover (102) is provided at the rear opening of the cylinder ring (101), a coating chamber (103) is formed between the brush head assembly (2), the cylinder ring (101) and the piston assembly (3), and a balancing chamber (104) is formed between the piston assembly (3), the cylinder ring (101) and the sealing cover (102).

3. The waterproof coating device for screw holes in exterior walls according to claim 2, characterized in that: The feed pipes (107) on the cylinder (1) are arranged symmetrically.

4. The waterproof coating device for screw holes in exterior walls according to claim 1, characterized in that: The piston assembly (3) includes a piston (301). The outer wall of the piston (301) is provided with a sealing ring (302) that contacts the inner wall of the cylinder (1). The rear end of the piston (301) is connected to the front end of a push rod (303). The push rod (303) extends out of the rear end of the cylinder (1). The rear end of the push rod (303) is connected to a push handle (304).

5. The waterproof coating device for screw holes in exterior walls according to claim 1, characterized in that: The paint supply assembly (4) comprises a paint bucket (401), and the paint bucket (401) is provided with an air inlet pipe (402) and a discharge pipe (403), wherein the air inlet pipe (402) is connected to the balance pipe (106), and the discharge pipe (403) is connected to the feed pipe (107), and the discharge pipe (403) extends to the bottom of the paint bucket (401).

6. The waterproof coating device for screw holes in exterior walls according to claim 1, characterized in that: The center of the clamping ring (504) is provided with a cross-shaped groove, and the outer periphery of the push rod (303) is provided with a cross-shaped ridge that matches the cross-shaped groove.

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