Joint filling gun for repairing wall crack
By designing discharge and stirring components and feeding mechanisms in the wall crack repair device, the problems of insufficient paint uniformity and discharge efficiency in the prior art are solved, uniform spraying of paint and preventing material separation, improving The stability and aesthetics of the wall.
Patent Information
- Application Number
- CN202421158665.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-05-27
AI Technical Summary
The existing wall crack repair devices have shortcomings in coating uniformity and discharge efficiency, resulting in uneven material filling and affecting the stability and aesthetics of the wall.
A caulking gun for repairing wall cracks is designed, using a discharge mechanism and agitating components. The rotating rod and bevel gear drive the threaded rod and push plate to move through the motor to achieve uniform spraying of the paint, and prevent material from being used through the stirring rod. Separation; at the same time, the feeding mechanism uses springs and moving plates to control the paint to enter the storage tube to prevent outflow.
The uniform discharge of the paint and prevent material separation are achieved, the uniformity of the caulking and discharge efficiency are improved, and the stability and aesthetics of the wall are ensured.
Smart Images

Figure CN222333356U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of caulking guns, and in particular to a caulking gun for repairing wall cracks. Background Art
[0002] The wall crack repair device is a device used to repair wall cracks. Its function is to repair cracks on the wall, prevent the cracks from further expanding, and enhance the stability and aesthetics of the wall. The wall crack repair device mainly fills the wall cracks by injecting specific materials to fill and fix the cracks. Commonly used repair materials can be polymer resin, epoxy resin, cement slurry, etc. The specific choice depends on the type and degree of the cracks.
[0003] For example, a Chinese patent (publication number: CN220539305U) discloses a wall crack repair device for civil engineering, including: a main body component, a storage part, a push-pull part, a stirring part, a telescopic part and a smoothing part; the push-pull part includes a circular rubber plug movably connected to the inner wall of the storage tube, a piston shaft installed on the right side surface of the circular rubber plug, a piston handle connected to the right side surface of the piston shaft, a push-pull ring connected to the right side surface of the piston handle, and the stirring part includes a motor connected to the left side surface of the circular rubber plug, a protective cover installed on the left side surface of the circular rubber plug, a first rotating shaft connected to the left side surface of the motor, and a spiral blade arranged on the first rotating shaft. Through the above technical scheme, the problem that in the prior art, specific materials are generally applied into wall cracks manually, which is easy to be uneven and affects the stability and aesthetics of the wall, and the specific materials are generally a mixture of multiple materials, and the materials are easy to separate during use is solved.
[0004] The above-mentioned wall crack repair device based on civil engineering still has certain shortcomings. In order to make the paint more uniform and ensure the stability and aesthetics of the wall, the push-pull ring is pushed to drive the piston shaft to move, and the circular rubber pad slides on the inner wall of the storage tube to push the paint into the transport pipe. The transport pipe transports the paint to the nozzle, and the paint is evenly sprayed from the nozzle into the wall cracks. However, manually pushing the push-pull ring is not only laborious, but also cannot ensure uniform discharge of raw materials, resulting in uneven raw material discharge speed, affecting discharge efficiency and quality. Therefore, the present application proposes a caulking gun for wall crack repair to solve the above problems. Utility Model Content
[0005] In view of the deficiencies in the prior art, the present application provides a caulking gun for repairing wall cracks, which has the advantages of convenient feeding and the like, thereby solving the problem of inconvenience in feeding existing caulking guns for repairing wall cracks.
[0006] To achieve the above-mentioned purpose, the present application provides the following technical solution: a caulking gun for repairing cracks on a wall, comprising a handle, a discharge pipe is fixed on the left side of the upper surface of the handle, a storage pipe is fixed on the right side of the upper surface of the handle, a connecting ring is fixed between the discharge pipe and the storage pipe, a discharge mechanism is provided inside the storage pipe, and a feeding mechanism is provided on the upper surface of the storage pipe;
[0007] The discharging mechanism includes a pushing component and a stirring component. The pushing component includes a first motor fixed to the upper surface of the inner cavity of the storage tube, a first rotating rod fixed to the output shaft of the first motor, two first bevel gears fixed to the outer surface of the first rotating rod, a second bevel gear meshed with the outer surface of the first bevel gear, a threaded rod fixed to the left side of the second bevel gear, a rod sleeve threadedly connected to the outer surface of the threaded rod, and a push plate fixed to the left side of the two rod sleeves.
[0008] By adopting the above technical solution, the paint enters into the discharge pipe through the discharge mechanism and is sprayed out, and the paint is conveniently controlled to enter into the storage pipe through the feed mechanism.
[0009] Furthermore, the stirring assembly includes a shell fixed to the right side of the push plate, a second motor fixed to the right side of the inner cavity of the shell, a second rotating rod fixed to the output shaft of the second motor, and a plurality of stirring rods fixed to the outer surface of the second rotating rod.
[0010] By adopting the above technical solution, the paint is stirred by a stirring rod to prevent uneven filling caused by material separation.
[0011] Furthermore, the lower surface of the first rotating rod is rotatably connected to the lower surface of the inner cavity of the storage tube through a bearing seat.
[0012] By adopting the above technical solution, the stability of the first rotating rod during rotation is increased.
[0013] Furthermore, a connecting plate is fixed between the upper and lower sides of the inner cavity of the storage tube, two rotating holes are opened on the left side of the connecting plate, and the threaded rod is rotatably connected to the inside of the rotating hole through a bearing.
[0014] The above technical solution is adopted to increase the stability of the threaded rod when it rotates.
[0015] Furthermore, a sliding rod is fixed on the left side of the connecting plate, and sliding blocks are fixed on the opposite sides of the two rod sleeves, and the sliding blocks are slidably connected to the outer surface of the sliding rod.
[0016] The above technical solution is adopted to increase the stability of the rod sleeve when it moves.
[0017] Furthermore, the shell is a rectangular parallelepiped with a hollow interior and a missing left end, a circular hole is opened on the left side of the push plate, and the second rotating rod is rotatably connected to the inside of the circular hole through a bearing.
[0018] By adopting the above technical solution, the stability of the second rotating rod during rotation is increased, and the second rotating rod is convenient for driving the stirring rod to rotate to stir the paint.
[0019] Furthermore, the feeding mechanism includes a vertical plate and a feeding tube fixed to the upper surface of the storage tube, a telescopic rod fixed to the left side of the vertical plate, a spring sleeved on the outer surface of the telescopic rod, a movable plate fixed to the left side of the telescopic rod, and a top plate fixed to the upper surface of the movable plate.
[0020] By adopting the above technical solution, the paint can be easily introduced into the storage tube through the feeding tube, and the paint can be prevented from flowing out through the moving plate.
[0021] Furthermore, the left side of the spring is fixed to the right side of the movable plate, and the right side of the spring is fixed to the left side of the vertical plate.
[0022] By adopting the above technical solution, the movable plate is reset by the spring, driving the top plate to move, thereby preventing the paint from flowing out through the feed pipe.
[0023] Furthermore, a slot is provided on the left side of the inner cavity of the feed pipe, a connecting block is fixed on the lower surface of the top plate, an insert rod is fixed on the left side of the connecting block, and the insert rod is slidably connected to the inside of the slot.
[0024] The above technical solution is used to limit the top plate, so that the fixing effect of the top plate is better.
[0025] Compared with the prior art, the technical solution of this application has the following beneficial effects:
[0026] 1. The caulking gun for repairing wall cracks, the first motor drives the first rotating rod and the two first bevel gears to rotate together, drives the second bevel gear and the threaded rod to rotate together, drives the rod sleeve and the push plate to move together, and the paint is pushed into the discharge pipe through the movement of the push plate, and finally discharged through the discharge pipe, which is convenient for caulking and the paint is evenly applied. The second motor drives the second rotating rod and the stirring rod to rotate together, and the paint is stirred by the stirring rod to prevent uneven filling caused by material separation.
[0027] 2. The caulking gun for repairing wall cracks pulls the handle to drive the top plate and the movable plate to move and squeeze the spring, so that the paint can be added into the storage tube through the feed pipe. Release the handle, the movable plate resets, drives the top plate to move, seals the feed pipe, and prevents the paint from flowing out through the feed pipe. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] Figure 1 This is a schematic diagram of the structure of this application;
[0029] Figure 2 This is a three-dimensional appearance diagram of this application;
[0030] Figure 3 This is a schematic diagram of the structure of the discharging mechanism of this application;
[0031] Figure 4 For this application Figure 1 Schematic diagram of the enlarged structure at point A in the middle.
[0032] In the figure: 1. handle; 2. storage tube; 3. discharging mechanism; 301. first motor; 302. first rotating rod; 303. first bevel gear; 304. second bevel gear; 305. threaded rod; 306. rod sleeve; 307. push plate; 308. housing; 309. second motor; 310. second rotating rod; 311. stirring rod; 4. feeding mechanism; 401. vertical plate; 402. telescopic rod; 403. spring; 404. moving plate; 405. top plate; 406. feeding tube; 5. connecting ring; 6. discharging tube. DETAILED DESCRIPTION
[0033] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0034] See also Figure 1-2 The caulking gun for repairing wall cracks in this embodiment includes a handle 1, a discharge pipe 6 is fixed on the left side of the upper surface of the handle 1, and a storage pipe 2 is fixed on the right side of the upper surface of the handle 1 for storing paint. A connecting ring 5 is fixed between the discharge pipe 6 and the storage pipe 2, so that the paint in the storage pipe 2 can enter the inside of the discharge pipe 6 through the connecting ring 5. A discharge mechanism 3 is provided inside the storage pipe 2, and the paint enters the inside of the discharge pipe 6 through the discharge mechanism 3, so that the paint can be sprayed evenly. A feeding mechanism 4 is provided on the upper surface of the storage pipe 2 to facilitate the control of the paint entering the inside of the storage pipe 2.
[0035] Among them, a controller is provided on the front of the handle 1, which is used to control the operation of the discharging mechanism 3. The electrical components appearing in the text are all electrically connected to the main controller and the power supply, and the electrical components appearing in the text are all conventionally known devices, and this application will not go into too much detail. The main controller can be a conventionally known device such as a computer that plays a control role. The control circuit of the main controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field, and this application is mainly used to protect mechanical devices, so this application will no longer explain the control method and circuit connection in detail.
[0036] See also Figure 3In order to facilitate the spraying of the paint, the discharging mechanism 3 in this embodiment includes a pushing component and a stirring component. The pushing component includes a first motor 301 fixed to the upper surface of the inner cavity of the storage tube 2, a first rotating rod 302 fixed to the output shaft of the first motor 301, two first bevel gears 303 fixed to the outer surface of the first rotating rod 302, a second bevel gear 304 meshed with the outer surface of the first bevel gear 303, a threaded rod 305 fixed to the left side of the second bevel gear 304, a rod sleeve 306 threadedly connected to the outer surface of the threaded rod 305, and a push plate 307 fixed to the left side of the two rod sleeves 306. The first motor 301 drives the first rotating rod 302 and the two first bevel gears 303 to rotate together, drives the second bevel gear 304 and the threaded rod 305 to rotate together, drives the rod sleeve 306 and the push plate 307 to move together, and pushes the paint to move.
[0037] The stirring assembly includes a shell 308 fixed to the right side of the push plate 307, a second motor 309 fixed to the right side of the inner cavity of the shell 308, a second rotating rod 310 fixed to the output shaft of the second motor 309, and a plurality of stirring rods 311 fixed to the outer surface of the second rotating rod 310. The second motor 309 drives the second rotating rod 310 and the stirring rod 311 to rotate together, and the paint is stirred by the stirring rod 311 to prevent uneven filling caused by material separation.
[0038] The lower surface of the first rotating rod 302 is rotatably connected to the lower surface of the inner cavity of the storage tube 2 through a bearing seat, thereby increasing the stability of the first rotating rod 302 during rotation.
[0039] In addition, a connecting plate is fixed between the upper and lower sides of the inner cavity of the storage tube 2, and two rotating holes are opened on the left side of the connecting plate. The threaded rod 305 is rotatably connected to the inside of the rotating hole through a bearing, thereby increasing the stability of the threaded rod 305 when rotating. A sliding rod is fixed on the left side of the connecting plate, and sliders are fixed on the opposite sides of the two rod sleeves 306. The sliders are slidably connected to the outer surface of the sliding rod, thereby increasing the stability of the rod sleeves 306 when moving.
[0040] In addition, the outer shell 308 is a rectangular solid with a hollow interior and a missing left end. A round hole is opened on the left side of the push plate 307. The second rotating rod 310 is rotatably connected to the inside of the round hole through a bearing, which increases the stability of the second rotating rod 310 during rotation and facilitates the second rotating rod 310 to drive the stirring rod 311 to rotate and stir the paint.
[0041] In the discharging mechanism 3 of this embodiment, the first motor 301 drives the first rotating rod 302 and the two first bevel gears 303 to rotate together, drives the second bevel gear 304 and the threaded rod 305 to rotate together, drives the rod sleeve 306 and the push plate 307 to move together, and the paint is pushed into the discharging pipe 6 through the movement of the push plate 307, and finally discharged through the discharging pipe 6 to facilitate filling. The second motor 309 drives the second rotating rod 310 and the stirring rod 311 to rotate together, and the stirring rod 311 is used to stir the paint to prevent uneven filling caused by material separation.
[0042] See also Figure 4 In order to facilitate the control of feeding, the feeding mechanism 4 in this embodiment includes a vertical plate 401 and a feeding pipe 406 fixed to the upper surface of the storage tube 2, a telescopic rod 402 fixed to the left side of the vertical plate 401, a spring 403 sleeved on the outer surface of the telescopic rod 402, a moving plate 404 fixed to the left side of the telescopic rod 402, and a top plate 405 fixed to the upper surface of the moving plate 404. The feeding pipe 406 facilitates the paint to enter the storage tube 2, and the moving plate 404 prevents the paint from flowing out.
[0043] Among them, the left side of the spring 403 is fixed to the right side of the moving plate 404, and the right side of the spring 403 is fixed to the left side of the vertical plate 401. The moving plate 404 is reset by the spring 403, driving the top plate 405 to move, preventing the paint from flowing out through the feed pipe 406.
[0044] In addition, a slot is provided on the left side of the inner cavity of the feed pipe 406, a connecting block is fixed on the lower surface of the top plate 405, an insert rod is fixed on the left side of the connecting block, and the insert rod is slidably connected to the inside of the slot for limiting the top plate 405 to make the top plate 405 better fixed, a handle is fixed on the right side of the top plate 405, a limiting rod is fixed on the left side of the vertical plate 401, and the movable plate 404 is slidably connected to the outer surface of the limiting rod.
[0045] The feeding mechanism 4 in this embodiment pulls the handle to drive the top plate 405 and the movable plate 404 to move and squeeze the spring 403, so that the paint can be added to the storage tube 2 through the feeding pipe 406. Release the handle, the movable plate 404 is reset, and the top plate 405 is driven to move, thereby sealing the feeding pipe 406 to prevent the paint from flowing out through the feeding pipe 406.
[0046] The working principle of the above embodiment is:
[0047] (1) When the paint enters the storage tube 2 and needs to be used, the first motor 301 is started. The first motor 301 drives the first rotating rod 302 to rotate, and the first rotating rod 302 drives the first bevel gear 303 to rotate. The first bevel gear 303 will simultaneously drive the second bevel gear 304 and the threaded rod 305 to rotate together. The threaded rod 305 rotates, driving the rod sleeve 306 and the push plate 307 to move together. When the rod sleeve 306 moves, it drives the slider to slide on the outer surface of the slide rod, thereby increasing the stability of the rod sleeve 306 when it moves. The push plate 307 moves to push the paint into the discharge pipe 6, and finally discharges it through the discharge pipe 6 to facilitate filling. When the paint is in the storage tube 2, the second motor 309 drives the second rotating rod 310 and the stirring rod 311 to rotate together. The stirring rod 311 stirs the paint to prevent uneven filling caused by material separation.
[0048] (2) When feeding is required, the handle is pulled, and the handle drives the top plate 405 to move. The top plate 405 will drive the movable plate 404 to slide on the limit rod and squeeze the spring 403 and the telescopic rod 402. At this time, the top plate 405 will drive the insertion rod away from the slot through the connecting block, and the paint can be added to the storage tube 2 through the feed pipe 406. Release the handle, and the movable plate 404 will reset under the action of the spring 403, driving the top plate 405 to move, so that the insertion rod is inserted into the inside of the slot, sealing the feed pipe 406, and preventing the paint from flowing out through the feed pipe 406.
Claims
1. A caulking gun for repairing cracks on a wall, comprising a handle (1), characterized in that: A discharge pipe (6) is fixed on the left side of the upper surface of the handle (1), a storage pipe (2) is fixed on the right side of the upper surface of the handle (1), a connecting ring (5) is fixed between the discharge pipe (6) and the storage pipe (2), a discharge mechanism (3) is provided inside the storage pipe (2), and a feeding mechanism (4) is provided on the upper surface of the storage pipe (2); The discharging mechanism (3) comprises a pushing component and a stirring component, wherein the pushing component comprises a first motor (301) fixed to the upper surface of the inner cavity of the storage tube (2), a first rotating rod (302) fixed to the output shaft of the first motor (301), two first bevel gears (303) fixed to the outer surface of the first rotating rod (302), a second bevel gear (304) meshed with the outer surface of the first bevel gear (303), a threaded rod (305) fixed to the left side of the second bevel gear (304), a rod sleeve (306) threadedly connected to the outer surface of the threaded rod (305), and a pushing plate (307) fixed to the left sides of the two rod sleeves (306).
2. The caulking gun for repairing wall cracks according to claim 1, characterized in that: The stirring assembly comprises a shell (308) fixed to the right side of the push plate (307), a second motor (309) fixed to the right side of the inner cavity of the shell (308), a second rotating rod (310) fixed to the output shaft of the second motor (309), and a plurality of stirring rods (311) fixed to the outer surface of the second rotating rod (310).
3. The caulking gun for repairing wall cracks according to claim 1, characterized in that: The lower surface of the first rotating rod (302) is rotatably connected to the lower surface of the inner cavity of the storage tube (2) via a bearing seat.
4. The caulking gun for repairing wall cracks according to claim 1, characterized in that: A connecting plate is fixed between the upper and lower sides of the inner cavity of the storage tube (2), two rotating holes are provided on the left side of the connecting plate, and the threaded rod (305) is rotatably connected to the inside of the rotating hole via a bearing.
5. The caulking gun for repairing wall cracks according to claim 4, characterized in that: A sliding rod is fixed on the left side of the connecting plate, and sliding blocks are fixed on opposite sides of the two rod sleeves (306), and the sliding blocks are slidably connected to the outer surface of the sliding rod.
6. The caulking gun for repairing wall cracks according to claim 2, characterized in that: The outer shell (308) is a rectangular parallelepiped with a hollow interior and a missing left end. A circular hole is provided on the left side of the push plate (307), and the second rotating rod (310) is rotatably connected to the inside of the circular hole via a bearing.
7. The caulking gun for repairing wall cracks according to claim 1, characterized in that: The feeding mechanism (4) comprises a vertical plate (401) and a feeding tube (406) fixed to the upper surface of the storage tube (2), a telescopic rod (402) fixed to the left side of the vertical plate (401), a spring (403) sleeved on the outer surface of the telescopic rod (402), a moving plate (404) fixed to the left side of the telescopic rod (402), and a top plate (405) fixed to the upper surface of the moving plate (404).
8. The caulking gun for repairing wall cracks according to claim 7, characterized in that: The left side of the spring (403) is fixed to the right side of the movable plate (404), and the right side of the spring (403) is fixed to the left side of the vertical plate (401).
9. The caulking gun for repairing wall cracks according to claim 7, characterized in that: A slot is provided on the left side of the inner cavity of the feed pipe (406), a connection block is fixed on the lower surface of the top plate (405), an insertion rod is fixed on the left side of the connection block, and the insertion rod is slidably connected to the inside of the slot.
Citation Information
Patent Citations
Wall crack repairing device based on civil engineering
CN220539305U