Iron trowel
By combining modular design with quick-change device, the problems of inconvenient replacement and unstable connection of trowels are solved, realizing quick disassembly and assembly and stable connection of components, thereby improving construction efficiency and service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-07
- Publication Date
- 2026-03-27
AI Technical Summary
Existing trowels have problems such as inconvenience in replacement, unstable connection, and unreasonable design of component fixing structure, which affect construction efficiency and service life.
The modularly designed trowel board and mounting plate are detachably connected. Combined with a quick-change device and fastening mechanism, the flexible replacement and precise positioning of components are achieved through the coordinated action of the configuration sleeve, switching sleeve, movable plate, configuration block, configuration slot, configuration rod, movable slot and switching block. Rubber protective sleeves enhance user comfort, and multi-point fixing and spring return ensure connection stability.
It enables rapid disassembly and independent replacement of components, improving construction efficiency, reducing maintenance costs, ensuring connection stability and ease of use, and avoiding the problems of loose connections and tool damage found in traditional equipment.
Smart Images

Figure CN224048595U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building tool technical field more specifically, it relates to an iron trowel. BACKGROUND
[0002] In the field of building construction, iron trowel as commonly used trowel tool, its structure design and use performance directly affect the construction efficiency and work quality, however, the current market iron trowel still has many technical defects in practical application, these problems not only affect the practicability of tool, also reduce the construction efficiency and economic benefit.
[0003] The primary problem is inconvenient replacement, the existing technology iron trowel has significant defects: first, the connecting mode between handle and trowel plate is too traditional, dismounting is difficult;Second, the fixed structure design between parts is unreasonable, cannot realize quick dismounting, and the replacement process of parts is complicated and time-consuming, affects construction progress;In addition, some designs even cannot carry out the individual replacement of parts, increase the use cost, the deficiency of this structure design not only affects the maintenance efficiency of tool, also can bring material waste and cost increase.
[0004] More prominent is unstable connection, although some improved iron trowel increases quick connection function, but there are obvious problems: first, the connecting structure design is too simple, and the overall stability is poor;Second, repeated force in the construction process can easily lead to the loosening of connecting part;Third, the vibration in the transportation and handling process can cause structure displacement, and the loosening of connecting part not only affects the use effect, but also can lead to tool damage, the deficiency of this design not only affects the service life of tool, also can bring construction quality problem and safety hazard. INVENTION CONTENTS
[0005] (I) technical problem solved
[0006] In view of the problems in the prior art, the utility model provides an iron trowel to solve the technical problems mentioned in the background art.
[0007] (II) technical scheme
[0008] In order to achieve the above object, the utility model provides the following technical scheme: a trowel, including trowel board, one side of trowel board is equipped with quick change device, quick change device includes configuration cover, switching cover, movable plate, configuration block, configuration slot, configuration rod, movable slot and switching block, configuration cover is detachably covered in configuration rod outside, configuration rod is fixedly connected in one side of trowel board, switching cover is slidably arranged in configuration cover outside, switching block and configuration block are fixedly connected in movable plate both ends respectively, configuration block is clamped in configuration slot, configuration slot is opened in configuration rod outside, movable slot is opened in configuration cover side wall, configuration cover outside is provided with fastening mechanism, fastening mechanism includes switching plate, top block, switching slot, support plate, bottom block and intermediate block, switching plate is rotatably installed in configuration cover outside, top block is fixedly connected in support plate top end, switching slot is opened in switching plate, support plate is fixedly connected in one side of switching cover, bottom block is fixedly arranged in one side of intermediate block, intermediate block is fixedly installed in one side of top block.
[0009] The utility model further sets up, one side of trowel board is detachably equipped with mounting plate, one side of mounting plate is fixedly connected with connecting block, and the other side of connecting block is fixedly provided with handle.
[0010] The utility model further sets up, the outside of handle is detachably covered with protective sleeve, and the protective sleeve is made of rubber material.
[0011] The utility model further sets up, one end of configuration rod is connected with end block, and configuration slot is between configuration rod and end block.
[0012] The utility model further sets up, one side of switching cover is connected with push spring, and the setting of push spring ensures automatic reset.
[0013] The utility model further sets up, one side of switching plate is detachably equipped with push bearing, one end of push spring is connected with push bearing, and the cooperation of push bearing realizes smooth rotation.
[0014] The utility model further sets up, movable shaft is movably arranged in movable slot, and movable plate is rotatably installed in movable slot through movable shaft, and the setting of movable shaft makes the position of movable plate more controllable.
[0015] The utility model further sets up, the cross section of configuration block and configuration slot is all equal radius circular arc structure with movable shaft as center, and the design of equal radius circular arc structure prevents interference during dismounting.
[0016] (Three) beneficial effects
[0017] Compared with the prior art, the utility model provides a trowel, which has the following beneficial effects:
[0018] 1、The overall structure is constructed by the precise cooperation of the trowel plate, the mounting plate, the connecting block and the handle, a modular design system is constructed, the detachable connection of the trowel plate and the mounting plate realizes the separation of components, the fixed cooperation of the connecting block and the handle provides operation support, and the setting of the protective sleeve ensures comfortable use, this design not only realizes independent replacement of components through the modular structure, but also improves the use experience through the rubber protection, and the maintenance cost is reduced through the split type design, effectively solving the problem of inconvenient component replacement in traditional equipment.
[0019] 2、The quick change device is constructed by the cooperation of the configuration sleeve, the switching sleeve, the movable plate, the configuration block, the configuration slot, the configuration rod, the movable slot and the switching block, a flexible connection system is constructed, the arc design of the configuration block and the configuration slot provides smooth rotation, the cooperation of the movable shaft and the movable slot realizes accurate guidance, and the setting of the end block ensures accurate positioning, this structure not only provides smooth disassembly and assembly effect through the arc cooperation, but also realizes accurate positioning through axial guidance, and the setting of the end block ensures installation in place, effectively solving the problems of original connection mode and time-consuming and labor-consuming operation in traditional equipment.
[0020] 3、The fastening mechanism is constructed by the precise cooperation of the switching plate, the top block, the switching slot, the supporting plate, the bottom block and the intermediate block, a reliable locking system is constructed, the design of multiple blocks provides multi-point fixing, the cooperation of the thrust bearing realizes smooth rotation, and the setting of the push spring ensures automatic reset, this design not only provides reliable locking effect through multi-point fixing, but also realizes flexible adjustment through bearing rotation, and the setting of the spring reset mechanism ensures convenient operation, effectively solving the problem of unstable connection in traditional equipment. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is an overall structure schematic view of the iron trowel in the utility model;
[0022] Figure 2 It is a dispersed structure schematic view of the mounting plate and the trowel plate part in the utility model;
[0023] Figure 3 It is a structure schematic view of the quick change device and the fastening mechanism part in the utility model;
[0024] Figure 4 It is a sectional structure schematic view of the quick change device and the fastening mechanism part in the utility model;
[0025] Figure 5 It is a structure schematic view of the configuration rod and the movable plate part in the utility model.
[0026] In the figure: 1, trowel plate; 2, configuration sleeve; 3, switching sleeve; 4, movable plate; 5, configuration block; 6, configuration slot; 7, configuration rod; 8, movable slot; 9, switching block; 10, switching plate; 11, top block; 12, switching slot; 13, support plate; 14, bottom block; 15, middle block; 16, mounting plate; 17, connecting block; 18, handle; 19, protective sleeve; 20, end block; 21, push spring; 22, thrust bearing; 23, movable shaft. DETAILED DESCRIPTION
[0027] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.
[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.
[0029] In the present application, unless otherwise stated, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is generally with respect to the left and right shown in the drawings; "inner, outer" refers to the inner and outer with respect to the contour of each component itself, but the above directional words are not used to limit the present application.
[0030] Please refer to Figures 1-5 A trowel includes a trowel plate 1, a quick-change device is installed on one side of the trowel plate 1, the quick-change device includes a configuration sleeve 2, a switching sleeve 3, a movable plate 4, a configuration block 5, a configuration slot 6, a configuration rod 7, a movable slot 8 and a switching block 9, the configuration sleeve 2 is detachably sleeved outside the configuration rod 7, the configuration rod 7 is fixedly connected to one side of the trowel plate 1, the switching sleeve 3 is slidingly arranged outside the configuration sleeve 2, the switching block 9 and the configuration block 5 are respectively fixedly connected to both ends of the movable plate 4, the configuration block 5 is clamped in the configuration slot 6, the configuration slot 6 is opened on the outside of the configuration rod 7, the movable slot 8 is opened on the side wall of the configuration sleeve 2, the outside of the configuration sleeve 2 is provided with a fastening mechanism, the fastening mechanism includes a switching plate 10, a top block 11, a switching slot 12, a support plate 13, a bottom block 14 and a middle block 15, the switching plate 10 is rotatably installed outside the configuration sleeve 2, the top block 11 is fixedly connected to the top end of the support plate 13, the switching slot 12 is opened on the switching plate 10, the support plate 13 is fixedly connected to one side of the switching sleeve 3, the bottom block 14 is fixedly arranged on one side of the middle block 15, and the middle block 15 is fixedly installed on one side of the top block 11.
[0031] A mounting plate 16 is detachably arranged on one side of the trowel plate 1, one side of the mounting plate 16 is fixedly connected with a connecting block 17, and the other side of the connecting block 17 is fixedly provided with a handle 18.
[0032] The outer side of the handle 18 is detachably sleeved with a protective sleeve 19 made of rubber.
[0033] In the embodiment, when the handle 18 and the spatula plate 1 need to be disassembled, first, the switching plate 10 is rotated to drive the one-side mounted thrust bearing 22 to rotate, and the switching plate 10 drives the switching groove 12 to rotate to the position corresponding to the middle block 15 and the bottom block 14, then the switching sleeve 3 is pushed to drive the bottom block 14, the middle block 15 and the top block 11 to slide through the support plate 13, and the switching sleeve 3 and the thrust bearing 22 cooperate to press the compression spring 21, at the same time, the inner wall of the switching sleeve 3 presses the outer wall of the switching block 9, so that the switching block 9 drives the movable plate 4 and the configuration block 5 to rotate along the movable shaft 23 in the movable groove 8, so that the configuration block 5 gradually rotates out of the configuration groove 6, when the compression spring 21 is pressed to the limit, the configuration block 5 is completely rotated out of the configuration groove 6, and the bottom block 14 just passes through the switching groove 12 and moves to the other side of the switching plate 10, then the switching plate 10 is continuously rotated to drive the thrust bearing 22 and the switching groove 12 to rotate, and the switching groove 12 is rotated to the position not corresponding to the bottom block 14, so that the support plate 13 and the bottom block 14 cooperate to limit the switching sleeve 3 to the outside of the switching block 9, then the configuration sleeve 2 is pulled to one side, so that the configuration sleeve 2 is detached from the outside of the configuration rod 7, then the other configuration sleeve 2 is removed, then the handle 18 is detached from one side of the spatula plate 1 through the connecting plate and the mounting plate 16.
[0034] Please refer to Figures 3-5 , as a further embodiment of the whole device: the configuration rod 7 is connected with an end block 20 at one end, and the configuration groove 6 is between the configuration rod 7 and the end block 20.
[0035] The switching sleeve 3 is connected with a compression spring 21 at one side.
[0036] The switching plate 10 is detachably provided with a thrust bearing 22 at one side, and the compression spring 21 is connected with the thrust bearing 22 at one end.
[0037] The movable groove 8 is movably provided with a movable shaft 23, and the movable plate 4 is rotatably installed in the movable groove 8 through the movable shaft 23.
[0038] The configuration block 5 and the configuration groove 6 are both circular arc structures with the movable shaft 23 as the center and equal radius.
[0039] More specifically, when the trowel plate 1 needs to be installed to one side of the mounting plate 16, first, the mounting plate 16 is attached to the trowel plate 1, and the arrangement rod 7 is passed through the mounting hole reserved on the mounting plate 16, then the switching plate 10 is rotated again, so that the switching plate 10 drives the thrust bearing 22 and the switching groove 12 to rotate, and the switching groove 12 is rotated to the position corresponding to the bottom block 14, then the switching sleeve 3 is pushed in the opposite direction, so that the switching sleeve 3 drives the top block 11, the middle block 15 and the bottom block 14 to slide in the opposite direction through the support plate 13, when the bottom block 14 passes through the switching groove 12 in the opposite direction and moves to the side of the switching plate 10, the middle block 15 and the bottom block 14 are respectively located on the two sides of the switching plate 10, then the switching plate 10 is rotated again, so that the switching plate 10 drives the thrust bearing 22 and the switching groove 12 to rotate again, and the switching groove 12 is moved to the position not corresponding to the top block 11 and the middle block 15 again, then the support plate 13 and the middle block 15 and the bottom block 14 cooperate to limit the switching sleeve 3 to the outside of the upper end of the movable plate 4 between the switching block 9 and the movable shaft 23, so that the switching sleeve 3 only limits the outside of the upper end of the movable plate 4, then the arrangement sleeve 2 is sleeved outside the arrangement rod 7, then the end block 20 arranged at the top end of the arrangement rod 7 pushes the inner wall of the switching block 9, so that the switching block 9 drives the arrangement block 5 to rotate and reset along the movable shaft 23 in the movable groove 8 through the movable plate 4, so that the arrangement block 5 is reinserted into the arrangement groove 6, when the arrangement sleeve 2 is completely sleeved outside the arrangement rod 7, the switching plate 10 is continuously rotated, so that the switching plate 10 drives the thrust bearing 22 and the switching groove 12 to rotate again, when the switching plate 10 drives the switching groove 12 to rotate to the position corresponding to the middle block 15, the thrust spring 21 pushes the switching sleeve 3 to slide and reset, then the inner wall of the switching sleeve 3 limits the outer wall of the lower end of the movable plate 4, and the switching sleeve 3 drives the bottom block 14, the middle block 15 and the top block 11 to slide and reset through the support plate 13, when the thrust spring 21 is completely reset, the middle block 15 passes through the switching groove 12 in the opposite direction and moves to the original side of the switching plate 10, at this time the top block 11 and the middle block 15 are respectively located on the two sides of the switching plate 10, and the inner wall of the switching sleeve 3 completely presses the arrangement block 5 into the arrangement groove 6 through the lower end of the movable plate 4, so that the arrangement block 5 is completely inserted into the arrangement groove 6 and limited, preventing the arrangement block 5 from moving, then the switching plate 10 is rotated, so that the switching plate 10 drives the thrust bearing 22 and the switching groove 12 to rotate again, and the switching groove 12 is moved to the position not corresponding to the middle block 15 and the top block 11, then the support plate 13 and the middle block 15 and the top block 11 cooperate to limit the switching sleeve 3 to the initial position, ensuring the limitation of the switching sleeve 3, thereby ensuring the stability of the mounting structure, and ensuring stable use.
[0040] In summary, when the handle 18 and the palette 1 need to be separated during use or operation, first rotate the switching plate 10 to make the switching plate 10 drive the one-side installed thrust bearing 22 to rotate, and make the switching plate 10 drive the switching groove 12 to rotate to the position corresponding to the middle block 15 and the bottom block 14, then push the switching sleeve 3 to make the switching sleeve 3 drive the bottom block 14, the middle block 15 and the top block 11 to slide through the support plate 13, and make the switching sleeve 3 and the thrust bearing 22 cooperate to press the push spring 21, at the same time, the inner wall of the switching sleeve 3 presses the outer wall of the switching block 9, so that the switching block 9 drives the movable plate 4 and the configuration block 5 to rotate along the movable shaft 23 in the movable groove 8, so that the configuration block 5 gradually rotates out of the configuration groove 6, when the push spring 21 is pressed to the limit, the configuration block 5 is completely rotated out of the configuration groove 6, and the bottom block 14 just passes through the switching groove 12 and moves to the other side of the switching plate 10, then continue to rotate the switching plate 10 to make the switching plate 10 drive the thrust bearing 22 and the switching groove 12 to rotate, and make the switching groove 12 rotate to the position not corresponding to the bottom block 14, so that the support plate 13 and the bottom block 14 cooperate to limit the switching sleeve 3 to the outside of the switching block 9, then pull the configuration sleeve 2 to one side, so that the configuration sleeve 2 is detached from the outside of the configuration rod 7, then remove the other configuration sleeve 2, then make the handle 18 drive the mounting plate 16 to be separated from one side of the palette 1 through the connecting plate.
[0041] When it is needed to install the trowel plate 1 to one side of the mounting plate 16, first, the mounting plate 16 is attached with the trowel plate 1, and the configuration rod 7 is passed through the mounting hole reserved on the mounting plate 16, then the switching plate 10 is rotated again, so that the switching plate 10 drives the thrust bearing 22 and the switching groove 12 to rotate, and the switching groove 12 is rotated to the position corresponding to the bottom block 14, then the switching sleeve 3 is pushed reversely, so that the switching sleeve 3 drives the top block 11, the middle block 15 and the bottom block 14 to slide reversely through the support plate 13, when the bottom block 14 reversely passes through the switching groove 12 and moves to the side of the switching plate 10, the middle block 15 and the bottom block 14 are respectively at the two sides of the switching, then the switching plate 10 is rotated again, so that the switching plate 10 drives the thrust bearing 22 and the switching groove 12 to rotate again, and the switching groove 12 is moved to the position not corresponding to the top block 11 and the middle block 15 again, then the support plate 13 and the middle block 15 and the bottom block 14 cooperate to limit the switching sleeve 3 to the outside of the upper end of the movable plate 4 between the switching block 9 and the movable shaft 23, so that the switching sleeve 3 only limits the outside of the upper end of the movable plate 4, then the configuration sleeve 2 is sleeved to the outside of the configuration rod 7, then the end block 20 arranged at the top end of the configuration rod 7 pushes the inner wall of the switching block 9, so that the switching block 9 drives the configuration block 5 to rotate and reset along the movable shaft 23 in the movable groove 8 through the movable plate 4, so that the configuration block 5 is re-clamped into the configuration groove 6, when the configuration sleeve 2 is completely sleeved to the outside of the configuration rod 7, the switching plate 10 is continuously rotated, so that the switching plate 10 drives the thrust bearing 22 and the switching groove 12 to rotate again, when the switching plate 10 drives the switching groove 12 to rotate to the position corresponding to the middle block 15, the thrust spring 21 pushes the switching sleeve 3 to slide and reset, then the inner wall of the switching sleeve 3 limits the outer wall of the lower end of the movable plate 4, and the switching sleeve 3 drives the bottom block 14, the middle block 15 and the top block 11 to slide and reset through the support plate 13, when the thrust spring 21 is completely reset, the middle block 15 reversely passes through the switching groove 12 and moves to the original side of the switching plate 10, at this time, the top block 11 and the middle block 15 are respectively arranged on the two sides of the switching plate 10, and the inner wall of the switching sleeve 3 completely presses the configuration block 5 into the configuration groove 6 through the lower end of the movable plate 4, so that the configuration block 5 is completely clamped into the configuration groove 6 and limited, preventing the configuration block 5 from moving, then the switching plate 10 is rotated, so that the switching plate 10 drives the thrust bearing 22 and the switching groove 12 to rotate again, and the switching groove 12 is moved to the position not corresponding to the middle block 15 and the top block 11, then the support plate 13 and the middle block 15 and the top block 11 cooperate to limit the switching sleeve 3 to the initial position, ensuring the limitation of the switching sleeve 3, thereby ensuring the stability of the installation structure, and ensuring stable use.
[0042] In all the above-mentioned solutions, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection or other known connection mode, which will not be described here. In the above, whenever there is a fixed connection, welding is preferred. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A trowel comprising a trowel blade (1), characterised in that: The trowel plate (1) side is provided with quick change device, the quick change device includes configuration cover (2), switching cover (3), movable plate (4), configuration block (5), configuration slot (6), configuration rod (7), movable slot (8) and switching block (9), configuration cover (2) is set on the outside of configuration rod (7), the configuration rod (7) is fixedly connected on the side of trowel plate (1), switching cover (3) is slidably arranged on the outside of configuration cover (2), switching block (9) and configuration block (5) are respectively connected at the both ends of movable plate (4), configuration block (5) is clamped in configuration slot (6), configuration slot (6) is opened on the outside of configuration rod (7), movable slot (8) is opened on the side wall of configuration cover (2), the outside of configuration cover (2) is provided with fastening mechanism, the fastening mechanism includes switching plate (10), top block (11), switching slot (12), support plate (13), bottom block (14) and intermediate block (15), switching plate (10) is installed on the outside of configuration cover (2), top block (11) is connected at the top end of support plate (13), switching slot (12) is opened on switching plate (10), support plate (13) is connected on one side of switching cover (3), bottom block (14) is arranged on one side of intermediate block (15), intermediate block (15) is installed on one side of top block (11).
2. A trowel according to claim 1, wherein: The trowel plate (1) side is provided with quick change device, the quick change device includes configuration cover (2), switching cover (3), movable plate (4), configuration block (5), configuration slot (6), configuration rod (7), movable slot (8) and switching block (9), configuration cover (2) is set on the outside of configuration rod (7), the configuration rod (7) is fixedly connected on the side of trowel plate (1), switching cover (3) is slidably arranged on the outside of configuration cover (2), switching block (9) and configuration block (5) are respectively connected at the both ends of movable plate (4), configuration block (5) is clamped in configuration slot (6), configuration slot (6) is opened on the outside of configuration rod (7), movable slot (8) is opened on the side wall of configuration cover (2), the outside of configuration cover (2) is provided with fastening mechanism, the fastening mechanism includes switching plate (10), top block (11), switching slot (12), support plate (13), bottom block (14) and intermediate block (15), switching plate (10) is installed on the outside of configuration cover (2), top block (11) is connected at the top end of support plate (13), switching slot (12) is opened on switching plate (10), support plate (13) is connected on one side of switching cover (3), bottom block (14) is arranged on one side of intermediate block (15), intermediate block (15) is installed on one side of top block (11).
3. A trowel according to claim 2, wherein: The trowel plate (1) side is provided with quick change device, the quick change device includes configuration cover (2), switching cover (3), movable plate (4), configuration block (5), configuration slot (6), configuration rod (7), movable slot (8) and switching block (9), configuration cover (2) is set on the outside of configuration rod (7), the configuration rod (7) is fixedly connected on the side of trowel plate (1), switching cover (3) is slidably arranged on the outside of configuration cover (2), switching block (9) and configuration block (5) are respectively connected at the both ends of movable plate (4), configuration block (5) is clamped in configuration slot (6), configuration slot (6) is opened on the outside of configuration rod (7), movable slot (8) is opened on the side wall of configuration cover (2), the outside of configuration cover (2) is provided with fastening mechanism, the fastening mechanism includes switching plate (10), top block (11), switching slot (12), support plate (13), bottom block (14) and intermediate block (15), switching plate (10) is installed on the outside of configuration cover (2), top block (11) is connected at the top end of support plate (13), switching slot (12) is opened on switching plate (10), support plate (13) is connected on one side of switching cover (3), bottom block (14) is arranged on one side of intermediate block (15), intermediate block (15) is installed on one side of top block (11).
4. A ferule according to any one of claims 1 to 3, characterised in that: 5. A trowel according to claim 4, wherein: 6. A trowel according to claim 5, wherein: 7. The iron trowel of claim 1, wherein: 8. A trowel according to claim 7, wherein: