Glue injection device for preventing water leakage at corners of house construction
By designing an adhesive dispensing device that includes mixing, leveling, and recycling functions, the problems of uneven adhesive application and waste in existing technologies have been solved, achieving smooth and sustainable use of adhesive and improving the aesthetics and efficiency of building construction.
Patent Information
- Application Number
- CN202520030503.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-01-07
AI Technical Summary
Existing adhesive application devices for building corners lack smoothing and recycling measures, resulting in uneven adhesive application, significant waste, and impact on aesthetics. Furthermore, the adhesive may harden and affect its performance.
An adhesive dispensing device was designed, comprising a stirring structure, a leveling structure, and a conveying structure. The stirring structure mixes the adhesive, the leveling structure levels the adhesive and recovers excess adhesive, and a heating device prevents the adhesive from curing, thus enabling the continuous use and recycling of the adhesive.
It achieves a smooth application of the adhesive, avoids waste, improves the aesthetic effect, ensures the continued use of the adhesive, and reduces the impact of environmental factors on the adhesive.
Smart Images

Figure CN223813938U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of house construction, specifically relates to a glue injection device for preventing water leakage at the corners of a house under construction. BACKGROUND
[0002] The glue injection device for preventing water leakage at the corners of a house under construction is a device specially designed for injecting glue at the corners to prevent water leakage during the decoration of a building.
[0003] The prior art discloses a house waterproof maintenance tool (CN219471455U), which comprises a barrel and a cover plate movably connected to the barrel through an external hinge mechanism at the top edge of the barrel. In the utility model, waterproof glue is first injected into the barrel, and the glue is discharged and transported by actuating the valve to control the sealing mechanism switch. The barrel as a whole is moved by the hand push rod, and the glue is discharged into the discharge mechanism through the distribution glue box, and then falls onto the ground of the house. With the movement of the discharge mechanism, the two sides of the discharge mechanism are provided with a coating roller, which can coat the glue on the ground by the roller cotton. The discharge mechanism has a relatively long length, so that the discharge mechanism can transport a large area of glue onto the ground, and the coating roller can increase the coating area of the ground and improve the coating efficiency of the ground. The coating roller does not need to be reciprocated, thereby saving time and labor, improving the waterproof maintenance efficiency, and achieving the effect of overall waterproof maintenance operation.
[0004] After searching, it is found that the prior art lacks scraping and recycling measures for the glue, and the use of the coating roller may cause local unevenness, affecting the appearance of the house construction, and the excess glue cannot be recycled, which may cause waste. In addition, after long-term use, the glue may solidify due to environmental factors, thereby affecting the continuous glue injection.
[0005] Therefore, the utility model is proposed. UTILITY MODEL CONTENT
[0006] To solve the above technical problems of lacking scraping and recycling measures, the basic idea of the technical solution of the utility model is as follows:
[0007] A glue injection device for preventing water leakage at the corners of a house under construction, comprising
[0008] A push frame is fixedly provided above the push frame.
[0009] A stirring structure is rotatably arranged in the storage barrel, and the stirring structure comprises a stirring screw and a wall scraping frame.
[0010] The scraping structure is movably arranged on one side of the push frame, and comprises a sliding rod, a screw rod, a lifting block, an extension rod, a top plate, an electric screw rod and a scraper plate.
[0011] The material conveying structure is arranged on the material storage cylinder, and comprises a recovery pipe, a material conveying pipe and a glue injection head.
[0012] As a preferred embodiment of the utility model, the push frame is L-shaped structure, one universal wheel is fixedly installed on the bottom surface of the push frame, a handle is fixedly arranged on one side of the push frame, a square opening is formed in the push frame, and the sliding rod, the screw rod and the lifting block are arranged in the square opening.
[0013] As a preferred embodiment of the utility model, the sliding rod and the screw rod are symmetrically arranged in the square opening, a handle is rotatably arranged on the top surface of the push frame, the bottom surface of the handle is fixedly connected with the top surface of the screw rod, the sliding rod is fixedly arranged in the square opening, the lifting block is slidably connected with the sliding rod, the lifting block is threadedly connected with the screw rod, and the lifting block corresponds to the shape of the square opening.
[0014] As a preferred embodiment of the utility model, the top surface of the material storage cylinder is fixedly provided with a motor, the wall scraping frame is composed of three L-shaped supports and a short column, the output end of the motor is connected with the short column of the wall scraping frame, and the stirring screw is fixedly connected with the three L-shaped supports.
[0015] As a preferred embodiment of the utility model, the top surface of the material storage cylinder is fixedly provided with a motor, the wall scraping frame is composed of three L-shaped supports and a short column, the output end of the motor is connected with the short column of the wall scraping frame, and the stirring screw is fixedly connected with the three L-shaped supports.
[0016] As a preferred embodiment of the utility model, the top surface of the material storage cylinder is fixedly provided with a motor, the wall scraping frame is composed of three L-shaped supports and a short column, the output end of the motor is connected with the short column of the wall scraping frame, and the stirring screw is fixedly connected with the three L-shaped supports.
[0017] As a preferred embodiment of the utility model, the top plate is a rhombic block, the top plate is connected with the glue injection head at an angle away from the extension rod, a square groove is formed in the middle of the top plate, the electric screw rod is rotatably arranged in the square groove, the scraper plate slides in the square groove, and the scraper plate is threadedly connected with the electric screw rod.
[0018] As a preferred embodiment of the utility model, the scraper is a T-shaped block arranged upside down, a glue collecting cavity is formed in the bottom end of the scraper, and a discharging groove is formed in one side of the bottom of the scraper.
[0019] As a preferred embodiment of the utility model, a material pumping pump is arranged on one side of the scraper, the recovery pipe is communicated with the glue collecting cavity through the material pumping pump, a material discharging pump is mounted on the top surface of the push frame, and the material conveying pipe is communicated with the material storage cylinder through the material discharging pump.
[0020] Compared with the prior art, the utility model has the following beneficial effects:
[0021] 1. By setting the stirring structure, constant temperature cavity and heating coil, the stirring structure is used for mixing and stirring the solidified glue, the heating coil is used for transferring heat in the constant temperature cavity, and the glue is melted, so that continuous glue pouring is facilitated.
[0022] 2. By setting the scraping structure, the top plate is used for facilitating glue pouring of the glue pouring head, the electric screw rod is used for driving the scraper to scrape the glue, the glue is evenly coated, and the aesthetic effect is improved.
[0023] 3. By setting the scraper and the material conveying structure, the scraper is used for recycling the excess glue, the recovery pipe is used for sucking the excess glue into the material storage cylinder for recycling, and the waste is avoided.
[0024] The specific embodiments of the utility model will be further described in detail below with reference to the drawings. DRAWINGS
[0025] In the drawings:
[0026] Figure 1 It is the whole schematic view of the utility model;
[0027] Figure 2 It is the installation schematic view of the push frame and the material storage cylinder of the utility model;
[0028] Figure 3 It is the cross section schematic view of the whole utility model;
[0029] Figure 4 It is the stirring structure schematic view of the utility model;
[0030] Figure 5 It is the scraping structure schematic view of the utility model;
[0031] Figure 6 It is the scraper schematic view of the utility model;
[0032] Figure 7 It is the enlarged schematic view of A in the utility model; Figure 3 in the utility model.
[0033] In the figure: 10, push frame; 11, storage cylinder; 12, recovery pipe; 13, feed pipe; 14, discharge pump; 15, suction pump; 16, plug cover; 17, universal wheel; 18, slide bar; 19, screw rod; 20, handle; 21, handle; 22, constant temperature cavity; 23, heating coil; 24, motor; 25, stirring screw; 26, wall scraping frame; 27, lifting block; 28, telescopic rod; 29, top plate; 30, electric screw rod; 31, scraper; 32, glue injection head; 33, glue collecting cavity; 34, discharging groove. DETAILED DESCRIPTION
[0034] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and the following embodiments are used to illustrate the utility model.
[0035] A glue injection device for preventing water leakage at corners of house construction, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 and Figure 7 , comprising a push frame 10, a storage cylinder 11 is fixedly arranged above the push frame 10; a stirring structure is rotationally arranged in the storage cylinder 11, the stirring structure comprises a stirring screw 25 and a wall scraping frame 26, the wall scraping frame 26 is rotationally arranged in the storage cylinder 11, and the stirring screw 25 is fixedly arranged in the wall scraping frame 26; as shown in Figure 1 and Figure 4 , a motor 24 is fixedly installed on the top surface of the storage cylinder 11, the wall scraping frame 26 is composed of three L-shaped supports and a short column, the output end of the motor 24 is connected to the short column of the wall scraping frame 26, and the stirring screw 25 is fixedly connected to the three L-shaped supports; as shown in Figure 1 and Figure 3 , the top surface of the storage cylinder 11 is clamped with a plug cover 16, and the inner wall surface of the storage cylinder 11 is provided with a constant temperature cavity 22, and the constant temperature cavity 22 is provided with a heating coil 23; as shown in Figure 3 、 Figure 5 and Figure 7 , the constant temperature cavity 22 and the heating coil 23 are both provided with two groups, different specifications of constant temperature cavities 22 are arranged on the inner wall of the glue injection head 32, and different specifications of heating coils 23 are fixedly installed in the glue injection head 32.
[0036] Specifically, the device is provided with a stirring structure, a constant temperature cavity 22 and a heating coil 23, a circular hole for feeding is arranged above the storage cylinder 11, the size of the circular hole corresponds to that of the plug cover 16, the heating coil 23 is connected with a controller, the controller controls the start and stop of the two heating coils 23, the stirring structure is used to mix and stir the solidified glue, in use, the glue is added from the circular hole, the plug cover 16 is used for sealing, the motor 24 is started, the motor 24 drives the wall scraping frame 26 to rotate, so that the stirring screw 25 stirs the glue in the storage cylinder 11, at the same time, the wall scraping frame 26 corresponds to the inner wall of the storage cylinder 11, the wall scraping frame 26 scrapes off the glue adhered to the inner wall of the storage cylinder 11, at the same time, the two heating coils 23 are started by the controller, the heating coil 23 in the storage cylinder 11 transfers heat in the constant temperature cavity 22, so as to melt the solidified glue in the storage cylinder 11, the heating coil 23 in the glue injection head 32 transfers heat to the corresponding constant temperature cavity 22, so as to melt the solidified glue in the glue injection head 32, thereby facilitating continuous glue injection.
[0037] The scraping structure is movably arranged on one side of the push frame 10, and the scraping structure comprises a sliding rod 18, a lead screw 19, a lifting block 27, a telescopic rod 28, a top plate 29, an electric lead screw 30 and a scraper 31. The sliding rod 18 is fixedly arranged in the push frame 10, the lead screw 19 is rotatably arranged in the push frame 10, the lifting block 27 is movably arranged on the push frame 10, the telescopic rod 28 is fixedly arranged between the top plate 29 and the lifting block 27, the electric lead screw 30 is movably arranged in the top plate 29, and the scraper 31 is movably arranged between the top plate 29 and the electric lead screw 30. Figure 1 and Figure 2 As shown in the drawings, the push frame 10 is in L-shaped structure, one universal wheel 17 is fixedly arranged at each corner of the bottom surface of the push frame 10, a handle 20 is fixedly arranged on one side of the push frame 10, a square hole is arranged on the top of the push frame 10, and the sliding rod 18, the lead screw 19 and the lifting block 27 are arranged in the square hole. Figure 2 and Figure 5 As shown in the drawings, the sliding rod 18 and the lead screw 19 are symmetrically arranged in the square hole, a rotating handle 21 is rotatably arranged on the top surface of the push frame 10, the bottom surface of the rotating handle 21 is fixedly connected with the top surface of the lead screw 19, the sliding rod 18 is fixedly arranged in the square hole, the lifting block 27 is slidably connected with the sliding rod 18, the lifting block 27 is threadedly connected with the lead screw 19, and the lifting block 27 corresponds to the shape of the square hole. Figure 5 As shown in the drawings, the top plate 29 is a rhombic block, the top plate 29 is connected with the glue injection head 32 at an angle away from the telescopic rod 28, an inclined square groove is arranged in the middle of the top plate 29, the electric lead screw 30 is rotatably arranged in the square groove, the scraper 31 slides in the square groove, and the scraper 31 is threadedly connected with the electric lead screw 30.
[0038] Specifically, the device is provided with the scraping structure, in use, the whole device can be moved by the handle 20 and the universal wheel 17, then the lifting block 27 is driven to lift by rotating the rotating handle 21, the glue injection head 32 is at a suitable height with the corner, then the telescopic rod 28 is pulled, the top plate 29 is used to top the house corner to facilitate the glue injection head 32 to inject glue, the electric lead screw 30 and the square groove are parallelly arranged with the fixed plate 29, the electric lead screw 30 is started, the glue scraping treatment is driven by the electric lead screw 30, the scraping plate 31 slides in the square groove, the glue is smeared flat, and the aesthetic effect is improved.
[0039] The material conveying structure is arranged on the material storage cylinder 11, and comprises a recovery pipe 12, a material conveying pipe 13 and a glue injection head 32. Figure 6 As shown in the drawings, the scraping plate 31 is a T-shaped block arranged upside down, the bottom end of the scraping plate 31 is internally provided with a glue collecting cavity 33, and the bottom side of the scraping plate 31 is provided with a discharging groove 34 communicating with the glue collecting cavity 33. Figure 1 Figure 6 As shown in the drawings, the scraping plate 31 is provided with a material pumping pump 15, the recovery pipe 12 is communicated with the glue collecting cavity 33 through the material pumping pump 15, and the top surface of the push frame 10 is provided with a discharging pump 14.
[0040] Specifically, the device is provided with the scraping plate 31 and the material conveying structure, the excess glue is extruded between the scraping plate 31 and the house wall during the scraping treatment of the glue, then flows into the glue collecting cavity 33 through the discharging groove 34, the excess glue is recycled by the scraping plate 31, after the scraping is completed, the material pumping pump 15 is started, the excess glue in the glue collecting cavity 33 is pumped by the material pumping pump 15 through the recovery pipe 12, the glue is conveyed into the material storage cylinder 11 for reuse through the recovery pipe 12, and the discharging pump 14 is started, so that the glue reaches the glue injection head 32 for glue injection through the material conveying pipe 13, and the waste is avoided.
[0041] It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.
Claims
1. A glue injection device for preventing water leakage at the corners of building construction, characterized in that, The utility model provides a kind of push rack (10), the push rack (10) is provided with storage cylinder (11) in the upper fixedly, stirring structure is rotationally arranged in storage cylinder (11), and the stirring structure includes stirring screw (25) and wall scraping frame (26), wall scraping frame (26) is rotationally arranged in storage cylinder (11) without stirring screw (25) fixedly arranged in wall scraping frame (26). The utility model provides a kind of push rack (10), the push rack (10) is provided with storage cylinder (11) in the upper fixedly, stirring structure is rotationally arranged in storage cylinder (11), and the stirring structure includes stirring screw (25) and wall scraping frame (26), wall scraping frame (26) is rotationally arranged in storage cylinder (11) without stirring screw (25) fixedly arranged in wall scraping frame (26). The utility model provides a kind of push rack (10), the push rack (10) is provided with storage cylinder (11) in the upper fixedly, stirring structure is rotationally arranged in storage cylinder (11), and the stirring structure includes stirring screw (25) and wall scraping frame (26), wall scraping frame (26) is rotationally arranged in storage cylinder (11) without stirring screw (25) fixedly arranged in wall scraping frame (26). The utility model provides a kind of push rack (10), the push rack (10) is provided with storage cylinder (11) in the upper fixedly, stirring structure is rotationally arranged in storage cylinder (11), and the stirring structure includes stirring screw (25) and wall scraping frame (26), wall scraping frame (26) is rotationally arranged in storage cylinder (11) without stirring screw (25) fixedly arranged in wall scraping frame (26). The utility model provides a kind of push rack (10), the push rack (10) is provided with storage cylinder (11) in the upper fixedly, stirring structure is rotationally arranged in storage cylinder (11), and the stirring structure includes stirring screw (25) and wall scraping frame (26), wall scraping frame (26) is rotationally arranged in storage cylinder (11) without stirring screw (25) fixedly arranged in wall scraping frame (26).
2. The glue injection device for preventing water leakage at the corner of a house construction according to claim 1, wherein The utility model provides a kind of push rack (10), the push rack (10) is provided with storage cylinder (11) in the upper fixedly, stirring structure is rotationally arranged in storage cylinder (11), and the stirring structure includes stirring screw (25) and wall scraping frame (26), wall scraping frame (26) is rotationally arranged in storage cylinder (11) without stirring screw (25) fixedly arranged in wall scraping frame (26).
3. The glue injection device for preventing water leakage at the corner of a house construction according to claim 2, wherein The utility model provides a kind of push rack (10), the push rack (10) is provided with storage cylinder (11) in the upper fixedly, stirring structure is rotationally arranged in storage cylinder (11), and the stirring structure includes stirring screw (25) and wall scraping frame (26), wall scraping frame (26) is rotationally arranged in storage cylinder (11) without stirring screw (25) fixedly arranged in wall scraping frame (26).
4. The glue injection device for preventing water leakage at the corner of a house construction according to claim 1, wherein The utility model provides a kind of push rack (10), the push rack (10) is provided with storage cylinder (11) in the upper fixedly, stirring structure is rotationally arranged in storage cylinder (11), and the stirring structure includes stirring screw (25) and wall scraping frame (26), wall scraping frame (26) is rotationally arranged in storage cylinder (11) without stirring screw (25) fixedly arranged in wall scraping frame (26).
5. The glue injection device for preventing water leakage at the corner of a house construction according to claim 1, wherein The utility model provides a kind of push rack (10), the push rack (10) is provided with storage cylinder (11) in the upper fixedly, stirring structure is rotationally arranged in storage cylinder (11), and the stirring structure includes stirring screw (25) and wall scraping frame (26), wall scraping frame (26) is rotationally arranged in storage cylinder (11) without stirring screw (25) fixedly arranged in wall scraping frame (26).
6. The glue injection device for preventing water leakage at the corner of a house construction according to claim 5, wherein The utility model provides a kind of push rack (10), the push rack (10) is provided with storage cylinder (11) in the upper fixedly, stirring structure is rotationally arranged in storage cylinder (11), and the stirring structure includes stirring screw (25) and wall scraping frame (26), wall scraping frame (26) is rotationally arranged in storage cylinder (11) without stirring screw (25) fixedly arranged in wall scraping frame (26). The utility model provides a kind of push rack (10), the push rack (10) is provided with storage cylinder (11) in the upper fixedly, stirring structure is rotationally arranged in storage cylinder (11), and the stirring structure includes stirring screw (25) and wall scraping frame (26), wall scraping frame (26) is rotationally arranged in storage cylinder (11) without stirring screw (25) fixedly arranged in wall scraping frame (26). The utility model provides a kind of push rack (10), the push rack (10) is provided with storage cylinder (11) in the upper fixedly, stirring structure is rotationally arranged in storage cylinder (11), and the stirring structure includes stirring screw (25) and wall scraping frame (26), wall scraping frame (26) is rotationally arranged in storage cylinder (11) without stirring screw (25) fixedly arranged in wall scraping frame (26). The utility model provides a kind of push rack (10), the push rack (10) is provided with storage cylinder (11) in the upper fixedly, stirring structure is rotationally arranged in storage cylinder (11), and the stirring structure includes stirring screw (25) and wall scraping frame (26), wall scraping frame (26) is rotationally arranged in storage cylinder (11) without stirring screw (25) fixedly arranged in wall scraping frame (26). The utility model provides a kind of push rack (10), the push rack (10) is provided with storage cylinder (11) in the upper fixedly, stirring structure is rotationally arranged in storage cylinder (11), and the stirring structure includes stirring screw (25) and wall scraping frame (26), wall scraping frame (26) is rotationally arranged in storage cylinder (11) without stirring screw (25) fixedly arranged in wall scraping frame (26). The utility model provides a kind of push rack (10), the push rack (10) is provided with storage cylinder (11) in the upper fixedly, stirring structure is rotationally arranged in storage cylinder (11), and the stirring structure includes stirring screw (25) and wall scraping frame (26), wall scraping frame (26) is rotationally arranged in storage cylinder (11) without stirring screw (25) fixedly arranged in wall scraping frame (26). The utility model provides a kind of push rack (10), the push rack (10) is provided with storage cylinder (11) in the upper fixedly, stirring structure is rotationally arranged in storage cylinder (11), and the stirring structure includes stirring screw (25) and wall scraping frame (26), wall scraping frame (26) is rotationally arranged in storage cylinder (11) without stirring screw (25) fixedly arranged in wall scraping frame (26). The utility model provides a kind of push rack (10), the push rack (10) is provided with storage cylinder (11) in the upper fixedly, stirring structure is rotationally arranged in storage cylinder (11), and the stirring structure includes stirring screw (25) and wall scraping frame (26), wall scraping frame (26) is rotationally arranged in storage cylinder (11) without stirring screw (25) fixedly arranged in wall scraping frame (26). The utility model provides a kind of push rack (10), the push rack (10) is provided with storage cylinder (11) in the upper fixedly, stirring structure is rotationally arranged in storage cylinder (11), and the stirring structure includes stirring screw (25) and wall scraping frame (26), wall scraping frame (26) is rotationally arranged in storage cylinder (11) without stirring screw (25) fixedly arranged in wall scraping frame (26). The utility model provides a kind of push rack (10), the push rack (10) is provided with storage cylinder (11) in the upper fixedly, stirring structure is rotationally arranged in storage cylinder (11), and the stirring structure includes stirring screw (25) and wall scraping frame (26), wall scraping frame (26) is rotationally arranged in storage cylinder (11) without stirring screw (25) fixedly arranged in wall scraping frame (26). The utility model provides a kind of push rack (10), the push rack (10) is provided with storage cylinder (11) in the upper fixedly, stirring structure is rotationally arranged in storage cylinder (11), and the stirring structure includes stirring screw (25) and wall scraping frame (26), wall scraping frame (26) is rotationally arranged in storage cylinder (11) without stirring screw (25) fixedly arranged in wall scraping frame (26). The utility model provides a kind of push rack (10), the push rack (10) is provided with storage cylinder (11) in the upper fixedly, stirring structure is rotationally arranged in storage cylinder (11), and the stirring structure includes stirring screw (25) and wall scraping frame (26), wall scraping frame (26) is rotationally arranged in storage cylinder (11) without stirring screw (25) fixedly arranged in wall scraping frame (26). The utility model provides a kind of push rack (10), the push rack (10) is provided with storage cylinder (11) in the upper fixedly, stirring structure is rotationally arranged in storage cylinder (11), and the stirring structure includes stirring screw (25) and wall scraping frame (26), wall scraping frame (26) is rotationally arranged in storage cylinder (11) without stirring screw (25) fixedly arranged in wall scraping frame (26). The utility 7. The glue injection device for preventing water leakage at the corner of a house construction according to claim 1, wherein The top plate (29) is a rhombic block, one corner of the top plate (29) is clamped with a glue injection head (32) away from the telescopic rod (28), a square groove is formed in the middle of the top plate (29) and is inclined, an electric screw rod (30) is rotatably arranged in the square groove, and the scraper (31) slides in the square groove and is threadedly connected with the electric screw rod (30).
8. The glue injection device for preventing water leakage at the corner of a house construction according to claim 1, wherein The scraper (31) is an inverted T-shaped block, a glue collecting cavity (33) is formed in the bottom end of the scraper (31), and a discharging groove (34) is formed in one side of the bottom of the scraper (31) and communicates with the glue collecting cavity (33).
9. The glue injection device for preventing water leakage at the corner of a house construction according to claim 8, wherein One side of the scraper (31) is provided with a material pumping pump (15), the recovery pipe (12) communicates with the glue collecting cavity (33) through the material pumping pump (15), the top surface of the push frame (10) is provided with a material discharging pump (14), and the material conveying pipe (13) communicates with the material storage cylinder (11) through the material discharging pump (14).
Citation Information
Patent Citations
Waterproof maintenance tool for house
CN219471455U