A building construction trowel
By introducing a baffle structure that links locking plates and control rods into the plastering device for building construction, the problem of mortar leakage was solved, the sealing and stability of the plastering process were achieved, and construction efficiency was improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINA ENERGY CONSTR GP JIANGSU ELECTRIC POWER CONSTR FIRST ENG
- Filing Date
- 2025-04-29
- Publication Date
- 2026-07-24
AI Technical Summary
Existing plastering equipment for building construction suffers from serious mortar leakage, and the plastering board lacks an effective sealing structure, resulting in excessive mortar leakage during the start-up phase.
A plastering device for building construction was designed, which adopts a baffle structure with a locking plate and control rod linkage, combined with an electric cylinder and a rotary control switch to realize the intelligent opening and closing of the baffle. With the help of rollers for storage, the sealing effect is ensured.
It greatly reduces cement mortar leakage, ensures the sealing and stability of the plastering process, and improves construction efficiency.
Smart Images

Figure CN224549562U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of building plastering technology, specifically relating to a building construction plastering device. Background Technology
[0002] Existing plastering equipment in building construction typically involves a trolley moving a mortar bucket to the wall to be plastered, then conveying mortar from the bucket to a discharge box, from which it is applied to the wall surface. The discharge box can move up and down driven by a motor screw, facilitating application; however, it has the following drawbacks: significant mortar leakage, lack of an effective sealing structure on the plastering board, failure to achieve a good sealing effect before operation, and excessive mortar leakage during the start-up phase. Utility Model Content
[0003] The purpose of this utility model is to provide a plastering device for building construction to solve the problems mentioned in the background art.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a building construction plastering device, including a support frame, a rack and pinion guide rail on the support frame, a box body at the lower part of the support frame, a lifting drive device inside the box body, a temporary storage box on the box body, a plastering board on one side of the box body, a baffle at the bottom of the plastering board, a pull rod connected to the rotating shaft of the baffle, a tension spring connected to the pull rod, side plates on both sides of the plastering board, grooved plates on the side plates, a roller frame on the grooved plates, a plurality of roller shafts on the roller frame, rollers mounted on the roller shafts, a control rod on one side of the roller shafts, a locking plate on the baffle, a notch on the locking plate, and the control rod locked in the notch.
[0005] Preferably, the control lever is mounted on the electric cylinder, the electric cylinder is located on one side of the roller shaft, and the locking plate has an upward-facing notch.
[0006] Preferably, the grooved plate has several movable slots, and a guide rod is provided in the movable slot. The roller shaft passes through the guide rod, and a spring is sleeved on the guide rod.
[0007] Preferably, a screw is provided on the roller frame, the screw passes through the groove plate, and a nut is screwed onto the screw.
[0008] Preferably, the lifting drive device consists of a motor and a gear, the gear being mounted on the output end of the motor and meshing with a rack and pinion guide.
[0009] Preferably, the gear is disposed inside a gear cover.
[0010] The technical effects and advantages of this utility model are as follows: This building construction plastering device, through the linkage of locking plate and control rod with electric cylinder, realizes intelligent opening of baffle, which greatly reduces the leakage of cement mortar.
[0011] The rotary control switch is set to detect the start of plastering. After detecting the start of plastering, the electric cylinder is activated to open the baffle without affecting the plastering.
[0012] The roller can retract into the grooved plate when squeezed, without affecting the sealing of the side plate, and can maintain the rolling effect of the roller, which is very practical. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the structure of this utility model;
[0014] Figure 2 This is a schematic diagram of the plasterboard structure of this utility model;
[0015] Figure 3 This is a schematic diagram of the bottom structure of the plasterboard of this utility model;
[0016] Figure 4 for Figure 3 Enlarged structural diagram at point A in the middle;
[0017] Figure 5 This is a schematic diagram of the roller frame and roller installation structure of this utility model.
[0018] In the diagram: 1. Bracket; 2. Rack and pinion guide; 3. Housing; 4. Gear cover; 5. Temporary storage box; 6. Plaster board; 7. Baffle; 8. Side plate; 9. Groove plate; 10. Roller frame; 11. Movable groove; 12. Guide rod; 13. Spring; 14. Roller shaft; 15. Roller; 16. Nut; 17. Screw; 18. Electric cylinder; 19. Control lever; 20. Locking plate; 21. Pull rod; 22. Tension spring. Detailed Implementation
[0019] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding of this utility model, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.
[0020] This utility model provides, for example Figure 1-5The illustrated building construction plastering device includes a support 1, a rack and pinion guide rail 2 mounted on the support 1, a housing 3 mounted at the lower part of the support 1, and a lifting drive device inside the housing 3. The lifting drive device consists of a motor and a gear. The gear is mounted on the output end of the motor and meshes with the rack and pinion guide rail 2. The gear is housed in a gear cover 4. The motor drives the gear to rotate, and through the interaction between the gear and the rack and pinion guide rail 2, the housing 3 and its related components move up and down.
[0021] As an embodiment of this application, in order to improve driving stability, the two rack guides 2 on both sides correspond to two gears respectively. The motor output end is connected to the transmission box, which is a four-output transmission box. Each output is equipped with a gear that meshes with the rack guide 2. That is, there are two gears on each side that mesh with the rack guide 2, thereby improving driving stability.
[0022] A temporary storage box 5 is installed on the box body 3, and a plastering board 6 is installed on one side of the box body 3. The temporary storage box 5 is used to temporarily store cement mortar. It is equipped with a discharge port, and the discharge port is equipped with a rotating rod driven by a motor. Several levers are installed on the rotating rod, all of which are made of stainless steel. The motor drives the levers to rotate, thereby sending the cement mortar in the temporary storage box 5 to the plastering board 6. A baffle 7 is installed at the bottom of the plastering board 6, and side plates 8 are installed on both sides of the plastering board 6. The baffle 7 and side plates 8 can reduce the leakage of cement mortar from the sides of the plastering board 6.
[0023] A pull rod 21 is connected to the rotating shaft of the baffle 7, and a tension spring 22 is connected to the pull rod 21. A control rod 19 is mounted on an electric cylinder 18, which is located on one side of the roller shaft 14. A locking plate 20 is mounted on the baffle 7, with an upward-facing notch. The control rod 19 is engaged in the notch. The electric cylinder 18 moves the control rod 19 upward, causing it to leave the notch. The locking plate 20 is then unrestricted. The tension spring 22 pulls the pull rod 21, causing the baffle 7 to rotate and open. Once the baffle 7 is open, plastering can proceed. In the prior art, the plastering board 6 does not have a baffle on its lower side, resulting in significant cement mortar leakage before plastering begins. With the baffle installed, the baffle 7 opens during plastering, greatly reducing cement mortar leakage.
[0024] As an embodiment of this application, a grooved plate 9 is provided on the side plate 8. The grooved plate 9, the plastering plate 6, and the side plate 8 are integrally stamped. Several roller shafts 14 are provided on the grooved plate 9, and rollers 15 are installed on the roller shafts 14. Several movable grooves 11 are opened on the grooved plate 9. Guide rods 12 are provided in the movable grooves 11. The roller shafts 14 pass through the guide rods 12, and springs 13 are sleeved on the guide rods 12. A rotary control switch is provided on one of the rollers 15. The rotation of the roller 15 drives the rotary control switch to rotate. The rotary control switch is used to start the electric cylinder 18. When the plastering plate 6 moves upward, the roller 15 rotates, and the rotary control switch rotates to start the electric cylinder 18, pushing the control rod 19 to move upward, so that the control rod 19 leaves the groove. The cement mortar on the plastering plate 6 leaks down from the bottom of the plastering plate 6 for plastering.
[0025] As an embodiment of this application, a roller frame 10 is provided on the grooved plate 9, a roller shaft 14 is provided on the roller frame 10, and a screw 17 is provided on the roller frame 10. The screw 17 passes through the grooved plate 9, and a nut 16 is screwed onto the screw 17. Tightening the nut 16 will drive the roller frame 10 upward, so that the roller 15 is fixed in the grooved plate 9. This function is used to retract the roller 15 and prevent the roller 15 from protruding and affecting the plastering.
[0026] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.
Claims
1. A plastering device for building construction, comprising a support frame (1), characterized in that: The bracket (1) is provided with a rack and pinion guide rail (2), and a box (3) is provided at the lower part of the bracket (1). A lifting drive device is provided inside the box (3). A temporary storage box (5) is provided on the box (3). A plastering board (6) is provided on one side of the box (3). A baffle (7) is provided at the bottom of the plastering board (6). A pull rod (21) is connected to the rotating shaft of the baffle (7). A tension spring (22) is connected to the pull rod (21). The plastering board (6) Side plates (8) are provided on both sides of the plate. A grooved plate (9) is provided on the side plate (8). A roller frame (10) is provided on the grooved plate (9). A plurality of roller shafts (14) are provided on the roller frame (10). Rollers (15) are installed on the roller shafts (14). A control rod (19) is provided on one side of the roller shafts (14). A locking plate (20) is provided on the baffle (7). A notch is provided on the locking plate (20). The control rod (19) is locked in the notch.
2. The plastering device for building construction according to claim 1, characterized in that: The control lever (19) is mounted on the electric cylinder (18), which is located on one side of the roller shaft (14), and the locking plate (20) has an upward-facing notch.
3. The plastering device for building construction according to claim 1, characterized in that: The groove plate (9) has several movable grooves (11), and a guide rod (12) is provided in the movable groove (11). The roller shaft (14) passes through the guide rod (12), and a spring (13) is sleeved on the guide rod (12).
4. A building construction plastering device according to claim 1, characterized in that: A screw (17) is provided on the roller frame (10), the screw (17) passes through the groove plate (9), and a nut (16) is screwed onto the screw (17).
5. A plastering device for building construction according to claim 1, characterized in that: The lifting drive device consists of a motor and a gear. The gear is installed on the output end of the motor and meshes with the rack and pinion guide (2).
6. A plastering device for building construction according to claim 5, characterized in that: The gear is housed inside the gear cover (4).