Handheld plastering device
By designing a handheld trowel that uses the siphon effect to automatically inject grout and adjust flow, the problems of slow speed and inconsistent quality in traditional wall masonry are solved, and efficient and uniform mortar spreading and physical protection are achieved.
Patent Information
- Application Number
- CN202422773189.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-14
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-11-14
AI Technical Summary
In traditional wall masonry construction, manual scooping of mortar is slow and requires repeated bending over, resulting in low efficiency and inconsistent quality.
A handheld slurry trowel is designed, which uses the siphon effect to generate pressure difference, controls the mortar flow through the discharge nozzle and flow regulator, realizes automatic grouting and uniform paving, and reduces the influence of human factors.
It improves the speed of mortar masonry operation, reduces the physical exertion of construction workers, and ensures the consistency and efficiency of construction quality.
Smart Images
Figure CN223330280U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building wall masonry tools, in particular to a handheld trowel. Background Art
[0002] Traditional wall construction uses a manual mortar scooping method. First, cement mortar is applied to fill the joints. Then, vertical cement mortar is applied to the side of the previous block. Next, a cement brick is placed and the height is adjusted to complete the construction of one cement brick. The previous steps are repeated until the construction is completed. During the construction process, the worker needs to bend over repeatedly to work in a repetitive cycle.
[0003] Traditional construction methods have many disadvantages, as follows:
[0004] 1. The operation speed of repeatedly scooping mortar for masonry is slow;
[0005] 2. Repeated bending over to work will cause excessive wear and tear on the body and physical strength and low efficiency;
[0006] 3. The cement mortar needs to be adjusted manually each time, and the height is inconsistent. Utility Model Content
[0007] The purpose of the present invention is to provide a handheld trowel to change the existing method of repeatedly bending over to scoop mortar for masonry, and to further improve the efficiency and quality of mortar masonry construction, so as to solve the technical problems existing in the above-mentioned background technology.
[0008] To achieve the above purpose, the technical solution of the utility model is as follows:
[0009] A handheld slurry spatula includes: a shovel body, a discharge nozzle, a flow regulator and a hollow handle. The shovel body is provided with a discharge nozzle, and a hollow handle is installed at the rear end of the shovel body. The discharge nozzle is connected to the hollow handle, and a flow regulator is provided on the discharge nozzle. The rear end of the hollow handle is connected to an automatic grouting mechanism.
[0010] Furthermore, the discharge nozzle is cylindrical, and the discharge port of the discharge nozzle is provided with a slope sloping downward from the tail to the head.
[0011] Furthermore, a discharge cover is hingedly connected to the upper portion of the discharge port of the discharge nozzle, the discharge cover cooperates with the discharge port, and a movable end of the discharge cover is provided with saw teeth.
[0012] Furthermore, the hollow handle is nested in the tail of the discharge nozzle, and anti-slip grooves are provided on the outer wall of the hollow handle.
[0013] Furthermore, the flow regulator includes: a valve body, a valve plate, a valve stem and a handle. The valve plate is rotatably connected to the inside of the valve body through the valve stem. The valve plate is used to control the flow in the internal channel of the valve body. The handle is fixedly connected to the top of the valve stem. The valve body is arranged in the middle of the discharge nozzle and is connected to it.
[0014] Furthermore, the automatic grouting mechanism includes: a drainage pipe, a mortar bucket and a bracket. A drainage port is opened at the bottom of the mortar bucket. One end of the drainage pipe is connected to the drainage port, and the other end is connected to the tail of the hollow handle. The mortar bucket is placed at a position higher than the shovel body through the bracket, and the mortar bucket is filled with mortar.
[0015] Furthermore, the mortar bucket is a conical bucket with an upper diameter larger than a lower diameter, and the bracket includes legs and a ring. There are several legs, and the legs are evenly arranged at the bottom end of the ring. The inner diameter of the ring is smaller than the outer diameter of the upper part of the mortar bucket and larger than the outer diameter of the lower part of the mortar bucket.
[0016] Furthermore, the drainage tube is made of rubber, and the inner diameter of the drainage tube is 25mm-70mm.
[0017] Compared with the prior art, the beneficial effects of the present invention are:
[0018] A handheld mortar trowel that sucks and sprays mortar through the pressure difference in the air created by the siphon effect squeezes the mortar out of the discharge nozzle. The extruded mortar is evenly spread on a horizontal or inclined surface. The thickness, width or simple shape of the mortar to be spread can be controlled by the shape of the discharge nozzle and the flow regulator to control the elevation, thereby reducing the impact of human factors on the quality of mortar construction. The use of this device can significantly increase the speed of mortar masonry operations. At the same time, construction workers do not need to repeatedly bend over to work, avoiding excessive wear and tear on their bodies and physical strength. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0020] Figure 1 This is a structural diagram of the handheld slurry dispensing device provided by the present invention;
[0021] Figure 2 It is a structural schematic diagram of a flow regulator in a handheld trowel provided by the utility model.
[0022] The numbers in the accompanying drawings are: 1-shovel body, 2-discharge nozzle, 3-flow regulator, 4-hollow handle, 5-drainage tube, 6-drainage port, 7-mortar bucket, 8-bracket. DETAILED DESCRIPTION
[0023] The present invention will be described in further detail below with reference to the accompanying drawings and embodiments.
[0024] See also Figures 1-2 As shown, a handheld shovel includes: a shovel body 1, a discharge nozzle 2, a flow regulator 3 and a hollow handle 4. The shovel body 1 is provided with a discharge nozzle 2, and a hollow handle 4 is installed at the tail end of the shovel body 1. The discharge nozzle 2 is connected to the hollow handle 4, and the discharge nozzle 2 is provided with a flow regulator 3. The tail end of the hollow handle 4 is connected to an automatic grouting mechanism.
[0025] In this embodiment, the discharge nozzle 2 is cylindrical, and the discharge port of the discharge nozzle 2 is provided with a slope sloping downward from the tail to the head; the upper part of the discharge port of the discharge nozzle 2 is hinged with a discharge cover, and the discharge cover cooperates with the discharge port. The movable end of the discharge cover is provided with serrations. By setting the discharge cover in conjunction with the serrations at its movable end, the extruded mortar can be presented as multiple parallel strips, which is more convenient for rapid masonry construction.
[0026] In this embodiment, the hollow handle 4 is nested in the tail of the discharge nozzle 2, and the mortar enters the discharge nozzle 2 through the hollow handle 4. The outer wall of the hollow handle 4 is provided with anti-slip grooves, which can prevent construction workers from slipping when holding the hollow handle 4.
[0027] In this embodiment, the flow regulator 3 includes: a valve body, a valve plate, a valve stem and a handle. The valve plate is rotatably connected to the inside of the valve body through the valve stem. The valve plate is used to control the flow in the internal channel of the valve body. The handle is fixedly connected to the top of the valve stem. The valve body is arranged in the middle of the discharge nozzle 2 and is connected to it. By rotating the handle, the valve plate can be driven to rotate in the internal channel of the valve body through the valve stem, thereby adjusting the mortar flow in the internal channel of the valve body.
[0028] In this embodiment, the automatic grouting mechanism includes: a drainage pipe 5, a mortar bucket 7 and a bracket 8. A drainage port 6 is provided at the bottom of the mortar bucket 7. One end of the drainage pipe 5 is connected to the drainage port 6, and the other end is connected to the tail of the hollow handle 4. The mortar bucket 7 is placed at a position higher than the shovel body 1 through the bracket. The mortar bucket 7 is filled with mortar. The bracket in the utility model can also be set as a lifting bracket, so as to facilitate the adjustment of the placement height of the mortar bucket 7.
[0029] In this embodiment, the mortar bucket 7 is a conical bucket with an upper diameter larger than a lower diameter. The bracket 8 includes legs and a ring. There are several legs, and the legs are evenly arranged at the bottom end of the ring. The inner diameter of the ring is smaller than the outer diameter of the upper part of the mortar bucket 7 and larger than the outer diameter of the lower part of the mortar bucket 7, so that the mortar bucket 7 can be quickly and conveniently placed on the bracket 8 and has good stability.
[0030] In this embodiment, the drainage tube 5 is made of rubber, and two joints are provided at both ends of the drainage tube 5, which are respectively connected to the mortar bucket 7 and the hollow handle 4 through the two joints. The inner diameter of the drainage tube 5 is 25mm-70mm, so that the cement mortar can flow smoothly in the drainage tube 5.
[0031] When the device is in use, the mortar bucket 7 is first placed on the bracket 8, and the bracket 8 is placed at a suitable position on the wall masonry construction site, so that the height of the bottom end surface of the mortar bucket 7 is higher than the height of the position to be applied with mortar (that is, higher than the height of the shovel body 1), and the two ends of the drainage pipe 5 are respectively connected to the drainage port 6 at the bottom end of the mortar bucket 7 and the tail end of the hollow handle 4, and then the mortar is poured into the mortar bucket 7. The construction worker holds the hollow handle 4 and turns the handle in the flow regulator 3, and drives the valve plate to rotate in the internal channel of the valve body through the valve stem, thereby adjusting the flow in the internal channel of the valve body to achieve the regulation of the mortar flow, and finally drains the mortar to the shovel body 1. In the process of the mortar being extruded to the shovel body 1 through the discharge nozzle 2, the discharge cover provided cooperates with the serrations at its movable end to make the extruded mortar The present invention has multiple parallel strips, which is more convenient for rapid masonry construction; the handheld trowel that absorbs and sprays mortar by the pressure difference in the air generated by the siphon effect squeezes the mortar out of the discharge nozzle 2, and the extruded mortar is evenly spread on the horizontal or inclined surface. The thickness, width or simple shape of the required mortar can be controlled by the shape of the discharge nozzle 2 and the flow regulator 3 to control the elevation, thereby reducing the influence of human factors on the quality of mortar construction; by using the handheld trowel, the speed of mortar masonry operation can be significantly improved compared with the existing masonry method of manually scooping mortar; at the same time, during the entire construction process, construction workers do not need to repeatedly bend over to work, avoiding excessive loss of body and physical strength, and protecting the health of construction workers to a certain extent.
[0032] In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inside", "outside", "top / bottom", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.
[0033] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Any simple modification, equivalent replacement and improvement made by any technician familiar with the profession to the above embodiment without departing from the scope of the technical solution of the present invention and based on the technical essence of the present invention shall still fall within the scope of protection of the technical solution of the present invention.
Claims
1. A handheld trowel, characterized in that: include: A shovel body (1), a discharge nozzle (2), a flow regulator (3) and a hollow handle (4); the shovel body (1) is provided with a discharge nozzle (2); the rear end of the shovel body (1) is equipped with a hollow handle (4); the discharge nozzle (2) is connected to the hollow handle (4); the discharge nozzle (2) is provided with a flow regulator (3); and the rear end of the hollow handle (4) is connected to an automatic grouting mechanism.
2. A handheld trowel according to claim 1, characterized in that: The discharge nozzle (2) is cylindrical, and the discharge port of the discharge nozzle (2) is provided with a slope that tilts downward from the tail to the head.
3. A handheld trowel according to claim 2, characterized in that: A discharge cover is hingedly connected to the upper portion of the discharge port of the discharge nozzle (2), the discharge cover is matched with the discharge port, and a movable end of the discharge cover is provided with saw teeth.
4. The handheld trowel according to claim 2, characterized in that: The hollow handle (4) is nested in the tail of the discharge nozzle (2), and anti-slip grooves are provided on the outer wall of the hollow handle (4).
5. The handheld trowel according to claim 2, characterized in that: The flow regulator (3) comprises: a valve body, a valve plate, a valve stem and a handle; the valve body is rotatably connected to the valve plate via the valve stem; the valve plate is used to control the flow of the internal channel of the valve body; the top of the valve stem is fixedly connected to the handle; the valve body is arranged in the middle of the discharge nozzle (2) and is connected thereto.
6. The handheld trowel according to claim 1, characterized in that: The automatic grouting mechanism comprises: a drainage pipe (5), a mortar bucket (7) and a bracket (8); a drainage port (6) is provided at the bottom end of the mortar bucket (7); one end of the drainage pipe (5) is connected to the drainage port (6), and the other end is connected to the tail end of the hollow handle (4); the mortar bucket (7) is placed at a position higher than the shovel body (1) through the bracket; and the mortar bucket (7) is filled with mortar.
7. The handheld trowel according to claim 6, characterized in that: The mortar bucket (7) is a conical bucket with an upper diameter larger than a lower diameter. The bracket (8) includes a leg and a ring. The leg is provided in a plurality of numbers and the plurality of legs are evenly arranged at the bottom end of the ring. The inner diameter of the ring is smaller than the outer diameter of the upper part of the mortar bucket (7) and larger than the outer diameter of the lower part of the mortar bucket (7).
8. The handheld trowel according to claim 6, characterized in that: The drainage tube (5) is made of rubber, and the inner diameter of the drainage tube (5) is 25 mm to 70 mm.