Gypsum-based self-leveling blade coating device

By designing a gypsum-based self-leveling scraping device with adjustable length, the problem of unadjustable length of the existing scraper is solved, efficient construction adapted to different floor areas is achieved, and work efficiency and operation convenience are improved.

CN222879165UActive Publication Date: 2025-05-16TIANJIN WATER ENG CO LTD
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Patent Information

Application Number
CN202421430286.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-05-16
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

The length of the existing gypsum-based self-leveling scraper is unadjustable, and the scope of application is limited by the size of the ground, resulting in low working efficiency. Shorter scrapers are required when working on narrow ground, which affects transportation and efficiency.

Method used

A gypsum-based self-leveling scraping device is designed, including a main scraper and an extended scraper with adjustable length. Through the cooperation of the fixed shaft, limit bolts and elastic parts, the extended scraper is expanded and folded, and the length of the scraper is adjusted.

Benefits of technology

Through the adjustable scraper length, it adapts to the construction needs of different floor areas, improves work efficiency, simplifies the operation process, and reduces the trouble of people carrying scrapers of different sizes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a gypsum-based self-leveling blade coating device which comprises a main scraper blade, a second scraper blade and a third scraper blade, a holding rod is fixedly arranged on the main scraper blade, and a fixing shaft is fixedly arranged on the main scraper blade; through holes are formed in the lengthened scraping plates, the fixing shafts are located on the inner sides of the through holes, and the lengthened scraping plates are installed at the two ends of the main scraping plate; and the limiting bolt is used for limiting the lengthened scraping plate. The scraper has the advantages that the length of the scraper can be adjusted according to use scenes through the lengthened scraper movably connected to the main scraper, the application range of the scraper is widened, and work efficiency is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, in particular to a gypsum-based self-leveling scraping device. Background Art

[0002] The construction process of gypsum-based self-leveling for floor engineering involves scraping and leveling operations. The commonly used scraper is a T-shaped scraper with a fixed length. The scraper length of this scraper cannot be adjusted, and the scope of application is limited by the size of the ground area. If the ground area is large, the work efficiency is low, and personnel are required to scrape back and forth many times, resulting in slow leveling speed. When working on a narrow ground, a shorter scraper is required for operation; operators often need to carry scrapers of different sizes, which affects transportation and reduces work efficiency. Utility Model Content

[0003] In view of this, the utility model aims to provide a gypsum-based self-leveling scraping device, in order to solve at least one of the above-mentioned technical problems.

[0004] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0005] A gypsum-based self-leveling scraping device, comprising:

[0006] A main scraper, wherein a holding rod is fixedly provided on the main scraper, and a fixed shaft is fixedly provided on the main scraper;

[0007] An extended scraper, wherein a through hole is formed on the extended scraper, the fixed shaft is located inside the through hole, and the extended scrapers are installed at both ends of the main scraper;

[0008] A limiting bolt is used to limit the extended scraper.

[0009] Furthermore, an insert plate is fixedly arranged at one end of the extended scraper plate adjacent to the main scraper plate, slots corresponding to the insert plates are opened at both ends of the main scraper plate, the thickness of the insert plates matches the width of the slots, the fixed shaft passes through the slots, the through holes are strip-shaped through holes, the fixed shaft is located inside the strip-shaped through holes, and the insert plate is located inside the slots;

[0010] The thickness of the extended scraper plate matches the thickness of the main scraper plate;

[0011] The strip-shaped through holes are arranged along the length direction of the extended scraper.

[0012] Furthermore, the fixing bolt is connected to the inner side wall of the strip-shaped through hole adjacent to the extended scraper plate through an elastic member in a stretched state;

[0013] The thickness of the insert plate is smaller than the thickness of the extended scraper plate, and the width of the insert plate is smaller than the width of the extended scraper plate;

[0014] A limiting groove matching the plug board is formed at the bottom end of the slot;

[0015] When the extended scraper is in the unfolded state, the extended scraper is arranged parallel to the main scraper, and the inserting plate is located inside the limiting groove;

[0016] When the extended scraper is in a folded state, the extended scraper is vertically arranged with the main scraper, and the lower end surface of the insert plate is flush with the lower end surface of the main scraper.

[0017] Furthermore, a positioning column is fixedly arranged on the end surface of the extended scraper plate adjacent to the plug plate, and a positioning groove matching the positioning column is opened on the upper end surface of the main scraper plate;

[0018] When the extended scraper is in a folded state, the positioning column is located inside the positioning groove.

[0019] Furthermore, a limiting threaded hole is formed on the main scraper, and the limiting bolt is installed inside the limiting threaded hole;

[0020] When the extended scraper is in the unfolded state, the limiting bolt passes through the strip-shaped through hole and is threadedly connected with the main scraper.

[0021] Furthermore, a groove is formed at the upper end of the plug plate;

[0022] When the extended scraper is in a folded state, the limiting bolt is located inside the groove.

[0023] Furthermore, a boss is fixedly provided at the lower end of the plug board;

[0024] When the extended scraper is in the unfolded state, the lower end surface of the boss is flush with the lower end surface of the main scraper.

[0025] Furthermore, both ends of the holding rod are connected to the main scraper through diagonal bracing rods.

[0026] Furthermore, the holding rod is a telescopic rod.

[0027] Furthermore, a cross bar is fixedly provided at one end of the holding rod away from the main scraper.

[0028] Compared with the prior art, the gypsum-based self-leveling scraping device described in the utility model has the following beneficial effects:

[0029] (1) The utility model discloses a gypsum-based self-leveling scraper device, which can adjust the length of the scraper according to the usage scenario by means of an extended scraper that can be movably connected to the main scraper, thereby expanding the application scope of the device and improving work efficiency.

[0030] (2) The gypsum-based self-leveling scraper device described in the utility model makes the process of changing the state of the device and adjusting the scraper length simple and convenient, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0032] Figure 1 This is a schematic diagram of the three-dimensional structure of the device in the folded state according to an embodiment of the utility model;

[0033] Figure 2 This is a schematic diagram of the three-dimensional structure of the device in the embodiment of the utility model in the unfolded state;

[0034] Figure 3 For the embodiment of the utility model Figure 1 Schematic diagram of the structure at A in the middle;

[0035] Figure 4 It is a schematic diagram of a partial three-dimensional structure of the extended scraper according to an embodiment of the utility model;

[0036] Figure 5 It is a schematic diagram of a partial three-dimensional structure of the main scraper according to an embodiment of the utility model;

[0037] Figure 6 It is a schematic diagram of a partial cross-sectional structure of the device in a folded state according to an embodiment of the utility model;

[0038] Figure 7 It is a partial cross-sectional structural diagram of the modified form of the device according to the embodiment of the utility model;

[0039] Figure 8 It is a schematic diagram of the partial cross-sectional structure of the device in the expanded state according to an embodiment of the utility model.

[0040] Description of reference numerals:

[0041] 1. Holding rod; 2. Main scraper; 3. Extended scraper; 4. Elastic member; 5. Limit bolt; 6. Fixed shaft; 101. Cross bar; 102. Diagonal support rod; 201. Slot; 202. Positioning slot; 203. Limit threaded hole; 204. Limit slot; 301. Insert plate; 302. Boss; 303. Positioning column; 304. Groove; 305. Strip through hole. DETAILED DESCRIPTION

[0042] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0043] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0044] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0045] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0046] like Figure 1-8 As shown, a gypsum-based self-leveling scraping device comprises:

[0047] A main scraper 2, a holding rod 1 is fixedly provided on the main scraper 2, and a fixed shaft 6 is fixedly provided on the main scraper 2;

[0048] The extended scraper 3 has a through hole, the fixed shaft 6 is located inside the through hole, and the extended scraper 3 is installed at both ends of the main scraper 2;

[0049] The limiting bolt 5 limits the extended scraper 3.

[0050] An insert plate 301 is fixedly provided at one end of the extended scraper 3 adjacent to the main scraper 2, and slots 201 corresponding to the insert plate 301 are opened at both ends of the main scraper 2, the thickness of the insert plate 301 matches the width of the slot 201, the fixed shaft 6 is set through the slot 201, the through hole is a strip through hole 305, the fixed shaft 6 is located on the inner side of the strip through hole 305, and the insert plate 301 is located on the inner side of the slot 201; the thickness of the extended scraper 3 matches the thickness of the main scraper 2; the strip through hole 305 is set along the length direction of the extended scraper 3.

[0051] The fixing bolt is connected to the inner side wall of the extended scraper 3 adjacent to the strip through hole 305 through the elastic member 4 in the stretched state; the thickness of the plug plate 301 is less than the thickness of the extended scraper 3, and the width of the plug plate 301 is less than the width of the extended scraper 3; a limiting groove 204 matching the plug plate 301 is opened at the bottom end of the slot 201; when the extended scraper 3 is in the unfolded state, the extended scraper 3 is arranged parallel to the main scraper 2, and the plug plate 301 is located on the inner side of the limiting groove 204; when the extended scraper 3 is in the folded state, the extended scraper 3 is arranged vertically to the main scraper 2, and the lower end surface of the plug plate 301 is flush with the lower end surface of the main scraper 2, preventing gypsum mortar from entering the slot 201, facilitating the rotation of the extended scraper 3.

[0052] A positioning column 303 is fixedly provided on the end face of the extended scraper 3 adjacent to the plug plate 301, and a positioning groove 202 matching the positioning column 303 is opened on the upper end face of the main scraper 2; when the extended scraper 3 is in a folded state, the positioning column 303 is located on the inner side of the positioning groove 202, and the positioning column 303 positions the extended scraper 3 to prevent the extended scraper 3 from rotating.

[0053] A limiting threaded hole 203 is opened on the main scraper 2, and the limiting bolt 5 is installed on the inner side of the limiting threaded hole 203; when the extended scraper 3 is in the unfolded state, the limiting bolt 5 passes through the strip through hole 305 and is threadedly connected to the main scraper 2, and the limiting bolt 5 has a limiting effect on the plug plate 301 to prevent the extended scraper 3 from shaking during use in the unfolded state.

[0054] A groove 304 is formed at the upper end of the insert plate 301; when the extended scraper 3 is in the folded state, the limit bolt 5 is located inside the groove 304, and the limit bolt 5 limits the insert plate 301 to prevent the extended scraper 3 from shaking during use in the folded state.

[0055] A boss 302 is fixed at the lower end of the insert plate 301; when the extended scraper 3 is in the unfolded state, the lower end surface of the boss 302 is flush with the lower end surface of the main scraper 2. The setting of the boss 302 prevents lime mortar from entering the slot 201, which facilitates the rotation of the extended scraper 3.

[0056] Both ends of the holding rod 1 are connected to the main scraper 2 through diagonal braces 102 , and the inclined rods increase the structural strength between the holding rod 1 and the main scraper 2 .

[0057] The gripping rod 1 is a telescopic rod, which is convenient for adjusting the length of the gripping rod 1 .

[0058] A cross bar 101 is fixedly disposed at one end of the holding rod 1 away from the main scraper 2. The arrangement of the cross bar 101 facilitates the movement of the device.

[0059] Working process:

[0060] When the device is in the deployed state (such as Figure 8 as shown) to a folded state (as shown Figure 6 As shown in FIG. 2 , the limit bolts 5 are loosened, the extended scraper 3 is moved to both sides, the insert plate 301 is separated from the limit groove 204, and the elastic member 4 is further stretched. When the fixed shaft 6 contacts the end of the strip through hole 305 away from the extended scraper 3, the extended scraper 3 can be rotated (as shown in FIG. 2 ). Figure 7 As shown in FIG. 2 ), when the extended scraper 3 is perpendicular to the main scraper 2, the extended scraper 3 is loosened, and the extended scraper 3 moves downward under the pulling force of the elastic member 4, the positioning column 303 is inserted into the positioning groove 202, and the limit bolt 5 is tightened to fix the extended scraper 3. When the device is in the folded state (as shown in FIG. 2 ), the extended scraper 3 is loosened, and the extended scraper 3 moves downward under the pulling force of the elastic member 4, and the positioning column 303 is inserted into the positioning groove 202. The limit bolt 5 is tightened to fix the extended scraper 3. Figure 6 ) to the expanded state (as shown Figure 8 The process of changing the state of the device and adjusting the scraper length is simple and convenient, which improves work efficiency.

[0061] By means of the extended scraper 3 movably connected to the main scraper 2, the length of the scraper can be adjusted according to the usage scenario, thereby widening the application range of the device and improving work efficiency.

[0062] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

[0063] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A gypsum-based self-leveling scraping device, characterized in that: include: A main scraper (2), wherein a gripping rod (1) is fixedly provided on the main scraper (2), and a fixed shaft (6) is fixedly provided on the main scraper (2); An extended scraper (3), wherein a through hole is formed on the extended scraper (3), the fixed shaft (6) is located inside the through hole, and the extended scraper (3) is installed at both ends of the main scraper (2); A limiting bolt (5), wherein the limiting bolt (5) limits the position of the extended scraper (3).

2. A gypsum-based self-leveling scraping device according to claim 1, characterized in that: An insert plate (301) is fixedly arranged at one end of the extended scraper (3) adjacent to the main scraper (2); slots (201) corresponding to the insert plates (301) are provided at both ends of the main scraper (2); the thickness of the insert plates (301) matches the width of the slots (201); the fixed shaft (6) passes through the slots (201); the through holes are strip-shaped through holes (305); the fixed shaft (6) is located inside the strip-shaped through holes (305); and the insert plates (301) are located inside the slots (201); The thickness of the extended scraper (3) matches the thickness of the main scraper (2); The strip-shaped through holes (305) are arranged along the length direction of the extended scraper (3).

3. A gypsum-based self-leveling scraping device according to claim 2, characterized in that: The limiting bolt (5) is connected to the inner side wall of the strip-shaped through hole (305) adjacent to the extended scraper (3) through the elastic member (4) in a stretched state; The thickness of the inserting plate (301) is smaller than the thickness of the extended scraper (3), and the width of the inserting plate (301) is smaller than the width of the extended scraper (3); The bottom end of the slot (201) is provided with a limiting groove (204) matching the plug board (301); When the extended scraper (3) is in an unfolded state, the extended scraper (3) is arranged parallel to the main scraper (2), and the inserting plate (301) is located on the inner side of the limiting groove (204); When the extended scraper (3) is in a folded state, the extended scraper (3) and the main scraper (2) are arranged vertically, and the lower end surface of the insert plate (301) is flush with the lower end surface of the main scraper (2).

4. A gypsum-based self-leveling scraping device according to claim 3, characterized in that: A positioning column (303) is fixedly provided on the end surface of the extended scraper (3) adjacent to the inserting plate (301), and a positioning groove (202) matching the positioning column (303) is formed on the upper end surface of the main scraper (2); When the extended scraper (3) is in a folded state, the positioning column (303) is located inside the positioning groove (202).

5. A gypsum-based self-leveling scraping device according to claim 3, characterized in that: The main scraper (2) is provided with a limit threaded hole (203), and the limit bolt (5) is installed inside the limit threaded hole (203); When the extended scraper (3) is in the unfolded state, the limiting bolt (5) passes through the strip-shaped through hole (305) and is threadedly connected to the main scraper (2).

6. A gypsum-based self-leveling scraping device according to claim 5, characterized in that: The upper end of the plug plate (301) is provided with a groove (304); When the extended scraper (3) is in a folded state, the limiting bolt (5) is located inside the groove (304).

7. A gypsum-based self-leveling scraping device according to claim 3, characterized in that: A boss (302) is fixedly provided at the lower end of the plug plate (301); When the extended scraper (3) is in an unfolded state, the lower end surface of the boss (302) is flush with the lower end surface of the main scraper (2).

8. A gypsum-based self-leveling scraping device according to claim 1, characterized in that: Both ends of the holding rod (1) are connected to the main scraper (2) via diagonal support rods (102).

9. A gypsum-based self-leveling scraping device according to claim 1, characterized in that: The holding rod (1) is a telescopic rod.

10. A gypsum-based self-leveling scraping device according to claim 1, characterized in that: A cross bar (101) is fixedly provided at one end of the holding rod (1) away from the main scraper (2).