Adjustable cambered surface claying plate
Through the plastic elastic mud plate and sliding connecting rod structure, the problems of poor applicability and inconvenient adjustment of existing curved mud plates are solved, and flexible adjustment of the curvature and switching between inner and outer curved surfaces are realized, thereby improving the applicability and convenience of construction.
Patent Information
- Application Number
- CN202521678560.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-08
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2035-08-08
AI Technical Summary
The existing curved surface mud trowel has poor applicability, a complex fixed structure and is inconvenient to adjust, and cannot achieve switching and adjustment between the inner and outer curved surfaces.
It adopts a plastic elastic mud plate and a sliding connecting rod structure. The curvature adjustment is achieved through the connection between the sliding connecting rod and the handle assembly and the fixed assembly. It can adapt to different construction arc surfaces and can switch between internal and external arc surfaces.
The applicability and adjustment convenience of the curved trowel are improved, the flexible switching between the inner and outer curved surfaces is achieved, and the structure is simple and practical.
Smart Images

Figure CN223386920U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of building construction, in particular to an adjustable curved surface trowel. Background Art
[0002] Trowel is a common wall construction tool. Generally, trowels are straight, but there are also some curved surface construction in actual construction. Straight trowel construction is not suitable for curved surface construction.
[0003] There are also some curved plastering boards in the existing technology, which are generally fixed, that is, their curved surfaces are not adjustable. However, due to the presence of curved surfaces of various sizes in on-site construction, the applicability of fixed curved plastering boards is not very strong; there are also a small number of adjustable curved plastering boards in the existing technology, but the general structure is relatively complex and it is not very convenient to adjust. In addition, most curved plastering boards cannot realize the switching adjustment between the inner curved surface and the outer curved surface. Utility Model Content
[0004] The utility model provides an adjustable curved trowel, which can solve the problems pointed out in the background technology.
[0005] An adjustable curved mud trowel comprises a handle assembly and a mud plate. The handle assembly and the mud plate are connected by a plurality of sliding connecting rods. The lower ends of the sliding connecting rods are hinged on the mud plate to adapt to changes in the curvature of the mud plate. The upper parts of the sliding connecting rods are slidably connected to the handle assembly and are locked in position by a fixing assembly to change the connection length of the sliding connecting rod. The mud plate is a plastic elastic mud plate, and the curvature of the mud plate is changed by plastic deformation.
[0006] Preferably, a hinged connection seat is provided on the mud plate, and the lower end of the sliding connection rod is hingedly connected to the hinged connection seat through a rotating shaft.
[0007] Preferably, the handle assembly has a grip portion in the middle and sliding rod connecting portions symmetrically arranged on both sides, and the sliding connecting rod is slidably connected to the sliding rod connecting portions.
[0008] Preferably, the handle has an anti-slip portion.
[0009] Preferably, the anti-slip portion is an anti-slip rubber sleeve.
[0010] Preferably, the handle assembly is provided with sliding limiting holes corresponding one to one with the sliding connecting rods, and the sliding connecting rods slide along the sliding limiting holes.
[0011] Preferably, the sliding connecting rod has an elongated hole arranged along its length direction, and the fixing assembly is a fixing bolt assembly arranged on the handle assembly, and the fixing bolt assembly is inserted into the elongated hole to fix the sliding connecting rod.
[0012] Preferably, the upper portion of the sliding connecting rod has a threaded portion, and the fixing assembly is a double nut assembly arranged on the upper and lower sides of the handle assembly.
[0013] Preferably, the plastic elastic mud plate is a nylon plastic mud plate or a stainless steel mud plate.
[0014] Beneficial effects: The utility model provides an adjustable curved trowel, which can be adaptively adjusted according to the construction curved surface, thereby improving its applicability and scope of application. It has the characteristics of simple structure and easy adjustment, and can switch and adjust the inner curved surface and the outer curved surface, thus realizing multiple uses of one item. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the structure of Example 1 of the utility model.
[0016] Figure 2 This is a schematic diagram of the structure of Example 2 of the present utility model.
[0017] Description of reference numerals:
[0018] The numbers in the figure are: handle assembly 1; grip portion 11; slide rod connecting portion 12; anti-slip portion 13; sliding limit hole 14; mud plate 2; hinged connecting seat 21; rotating shaft 22; sliding connecting rod 3; long strip hole 31; threaded portion 32; fixing assembly 4. DETAILED DESCRIPTION
[0019] A specific embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiment.
[0020] Example 1: Figure 1As shown, an adjustable curved mud trowel provided by an embodiment of the present invention includes a handle assembly 1 and a mud plate 2, the handle assembly 1 and the mud plate 2 are connected by a plurality of sliding connecting rods 3, the lower end of the sliding connecting rod 3 is hinged on the mud plate 2 to adapt to the curvature change of the mud plate 2, the upper part of the sliding connecting rod 3 is slidably connected to the handle assembly 1, and is locked in position by a fixing assembly 4 to change the connection length of the sliding connecting rod 3, that is, by changing the connection length of the sliding connecting rod 3 between the handle assembly 1 and the mud plate 2, the curvature is adjusted, and the switching adjustment of the outer curvature and the inner curvature can also be realized. The mud plate 2 is a plastic elastic mud plate, which changes the curvature of the mud plate 2 by plastic deformation. The plastic elastic mud plate is a nylon plastic mud plate or a stainless steel mud plate. The stainless steel mud plate can preferably adopt austenitic stainless steel. Austenitic stainless steel has good elasticity, corrosion resistance and plasticity, such as 301 stainless steel, 304 stainless steel and other austenitic stainless steel.
[0021] Specifically, a hinged connection seat 21 is provided on the mud plate 2 , and the lower end of the sliding connection rod 3 is hingedly connected to the hinged connection seat 21 via a rotating shaft 22 .
[0022] Specifically, the handle assembly 1 has a grip portion 11 in the middle and sliding rod connecting portions 12 symmetrically arranged on both sides, and the sliding connecting rods 3 are slidingly connected to the sliding rod connecting portions 12. The number of sliding connecting rods 3 on each side can be two.
[0023] Specifically, the handle portion 11 has an anti-slip portion 13 , and the anti-slip portion 13 is an anti-slip rubber sleeve.
[0024] Specifically, the handle assembly 1 is provided with sliding limit holes 14 corresponding to the sliding connecting rod 3 one by one, and the sliding connecting rod 3 slides along the sliding limit holes 14. The sliding connecting rod 3 has a long hole 31 arranged along its length direction. The fixing assembly 4 is a fixing bolt assembly arranged on the handle assembly 1, and the fixing bolt assembly is inserted into the long hole 31 to fix the sliding connecting rod 3. The fixing bolt assembly is an embedded hexagon socket bolt assembly. The handle assembly 1 is provided with an embedded hole corresponding to the fixing bolt assembly. The screw of the embedded hexagon socket bolt assembly is inserted into the long hole 31 from one side and is fixed by the embedded nut of the embedded hexagon socket bolt assembly on the other side.
[0025] Example 2: Combination Figure 2 As shown, the difference from Example 1 is that the upper part of the sliding connecting rod 3 has a threaded portion 32, and the fixing component 4 is a double nut component arranged on the upper and lower sides of the handle component 1, and the sliding connecting rod 3 is locked in position by the double nuts arranged on the upper and lower sides.
[0026] The above disclosures are only a few specific embodiments of the present invention. However, the embodiments of the present invention are not limited thereto. Any changes that can be conceived by those skilled in the art should fall within the scope of protection of the present invention.
Claims
1. An adjustable curved mud trowel, comprising a handle assembly (1) and a mud trowel (2), characterized in that: The handle assembly (1) and the mud plate (2) are connected via a plurality of sliding connecting rods (3). The lower ends of the sliding connecting rods (3) are hinged on the mud plate (2) to adapt to changes in the curvature of the mud plate (2). The upper parts of the sliding connecting rods (3) are slidably connected to the handle assembly (1) and are locked in position via a fixing assembly (4) to change the connection length of the sliding connecting rods (3). The mud plate (2) is a plastic elastic mud plate that changes the curvature of the mud plate (2) through plastic deformation.
2. The adjustable curved trowel according to claim 1, characterized in that: A hinged connection seat (21) is provided on the mud plate (2), and the lower end of the sliding connection rod (3) is hingedly connected to the hinged connection seat (21) via a rotating shaft (22).
3. The adjustable curved trowel according to claim 1, characterized in that: The handle assembly (1) comprises a grip portion (11) in the middle and sliding rod connecting portions (12) symmetrically arranged on both sides, and the sliding connecting rod (3) is slidably connected to the sliding rod connecting portions (12).
4. The adjustable curved trowel according to claim 3, characterized in that: The handle portion (11) is provided with an anti-slip portion (13).
5. The adjustable curved trowel according to claim 4, characterized in that: The anti-slip portion (13) is an anti-slip rubber sleeve.
6. The adjustable curved trowel according to any one of claims 1 to 5, characterized in that: The handle assembly (1) is provided with sliding limiting holes (14) corresponding one-to-one to the sliding connecting rods (3), and the sliding connecting rods (3) slide along the sliding limiting holes (14).
7. The adjustable curved trowel according to claim 6, characterized in that: The sliding connecting rod (3) has an elongated hole (31) arranged along its length direction. The fixing assembly (4) is a fixing bolt assembly arranged on the handle assembly (1). The fixing bolt assembly penetrates into the elongated hole (31) to fix the sliding connecting rod (3).
8. The adjustable curved trowel according to claim 6, characterized in that: The upper portion of the sliding connecting rod (3) has a threaded portion (32), and the fixing assembly (4) is a double nut assembly arranged on the upper and lower sides of the handle assembly (1).
9. The adjustable curved trowel according to any one of claims 1 to 5, characterized in that: The plastic elastic mud plate is a nylon plastic mud plate or a stainless steel mud plate.