Putty scraper with adjustable angle

By incorporating an adjustable-angle blade holder and positioning components into the putty scraper, the inconvenience caused by the fixed angle of the putty blade is solved, achieving both stability and flexibility for the putty blade.

CN223689262UActive Publication Date: 2025-12-19SHAOXING YIWEI NEW MATERIAL CO LTD
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Patent Information

Application Number
CN202520084505.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2025-12-19
Estimated Expiration
2035-01-14

AI Technical Summary

Technical Problem

The fixed blade angle of existing putty knives cannot adapt to the usage habits of different operators and the needs of different scenarios, resulting in inconvenience in use.

Method used

An adjustable-angle putty scraper was designed. By setting an elastic clip and a rotating shaft on the scraper holder, combined with a positioning assembly of a polygonal sleeve and a positioning rod, the blade angle can be adjusted, and the stability of the blade is ensured by a clamping assembly.

Benefits of technology

It enables flexible adjustment of the putty blade angle, avoiding deflection and offset, and improving the convenience and stability of use.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223689262U_ABST
    Figure CN223689262U_ABST
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Abstract

The utility model provides a putty scraper with an adjustable angle, which relates to the technical field of putty knives, and comprises a handheld part, a knife holder and a blade, an elastic clamping piece for clamping the blade is arranged on the knife holder, the knife holder is rotatably arranged on the handheld part through a rotating shaft, the handheld part is hollow, the two sides of the handheld part are communicated, and the blade is arranged on the knife holder. Side face fixing plates are connected to the two sides of the handheld part in an inserted mode, and positioning assemblies are arranged between the side face fixing plates and the rotating shafts. According to the putty scraper with the adjustable angle, the scraper holder is arranged to be rotatable, and after the angle is adjusted, the polygonal columns on the side face fixing plates are inserted into the corresponding polygonal sleeves, so that the rotating shaft is positioned, and the scraper holder and the blade are prevented from deflecting in the using process.
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Description

TECHNICAL FIELD

[0001] The utility model relates to putty knife technical field, concretely is a putty spatula of adjustable angle. BACKGROUND

[0002] Putty knife is used for the decoration work of building, has for decorating surface to scrape primer putty, or to the putty that scraped carries out the work of smoothing.

[0003] The putty knife on the market such as Chinese patent publication number CN202441037U one whitewashing putty knife, for a six hollow integral structure piece, including a bottom panel, a top panel, an inclined panel, two side panels and an end panel, wherein the top panel and the inclined panel link to form the corresponding surface with the bottom panel, the inclined panel and the bottom panel acute angle intersection form the working blade…

[0004] Such as the above putty knife, the angle of blade is fixed, and the use habit of different operators is different, or the required blade angle is different in different use scenes, and the angle needs to be adjusted to change the angle of the whole putty knife held by the operator, and this is not used to the operator.

[0005] Based on this, the case is born. CONTENT OF THE UTILITY MODEL

[0006] (I) the technical problem solved

[0007] In view of the deficiencies of prior art, the utility model provides a putty spatula of adjustable angle, which solves the problems in the above background technology.

[0008] (II) technical scheme

[0009] In order to achieve the above purpose, the utility model is realized by the following technical scheme: a putty spatula of adjustable angle, including hand holding part, knife holder, blade, the elastic clamping piece for clamping the blade is arranged on the knife holder, the knife holder is rotatably arranged on the hand holding part through the pivot, the hand holding part is hollow, and both sides are through, the both sides of the hand holding part are inserted with the side fixed plate, and the positioning assembly is arranged between the side fixed plate and the pivot.

[0010] Preferably, the positioning assembly includes a polygonal sleeve coaxially arranged on the pivot and a polygonal column fixed on the side fixed plate, and the polygonal column can be inserted into the polygonal sleeve.

[0011] Preferably, the both sides of the hand holding part are provided with positioning holes, and the side fixed plate is provided with a positioning rod that can be inserted into the positioning hole, when the positioning rod corresponds to the positioning hole, the polygonal column and the polygonal sleeve are synchronous corresponding.

[0012] Preferably, the polygonal sleeve and the polygonal column are at least hexagonal.

[0013] Preferably, a pressing assembly is arranged below the clamping piece in the knife holder, and the pressing assembly is used to press the blade against the clamping piece.

[0014] Preferably, the pressing assembly comprises a guide groove vertically arranged on the knife holder, a top block is vertically slidably arranged in the guide groove, and a spring is arranged between the top block and the bottom of the guide groove.

[0015] (Three) beneficial effects

[0016] The utility model provides a putty spatula of adjustable angle, has the following beneficial effects:

[0017] 1、the putty spatula of adjustable angle, through setting up the knife holder into rotatable, and after angle adjustment is finished through the polygonal column of side fixed plate is inserted in corresponding polygonal sleeve, realizes the positioning of rotating shaft, avoids the deflection of knife holder, blade in the use process.

[0018] 2、the putty spatula of adjustable angle, through setting up pressing assembly, can firmly press the blade below the clamping piece, prevents the deflection or sideslip of blade in the use process. DRAWINGS

[0019] Figure 1 It is handheld part and side fixed plate dismounting schematic view of the utility model;

[0020] Figure 2 It is handheld part axonometric view of the utility model;

[0021] Figure 3 It is handheld part side sectional view of the utility model.

[0022] In the drawing: 1 handheld part, 2 knife holder, 3 clamping piece, 4 blade, 5 pressing assembly, 6 side fixed plate, 7 polygonal sleeve, 8 polygonal column, 9 positioning hole, 10 positioning rod, 11 rotating shaft, 51 guide groove, 52 top block, 53 spring. DETAILED DESCRIPTION

[0023] The utility model embodiment provides a putty spatula of adjustable angle, as Figures 1-3 Shown, including handheld part 1, knife holder 2, blade 4, be used for clamping blade 4 and be provided with the elastic clamping piece 3 of knife holder 2, elastic clamping piece 3 adopts metal material, and the elastic clamping piece 3 is used for inserting blade 4 between knife holder 2.

[0024] As Figure 1 And 3As shown, the knife holder 2 is rotatably arranged on the hand-held part 1 through the rotating shaft 11, the hand-held part 1 is hollow and penetrates through both sides, and the both sides of the hand-held part 1 are inserted with the side fixing plate 6, and the shape of the fixing plate 6 is consistent with the cross section of the hand-held part 1.

[0025] The side fixing plate 6 and the rotating shaft 11 are provided with a positioning assembly.

[0026] As shown in the drawings, Figure 1 The positioning assembly comprises a polygonal sleeve 7 coaxially arranged on the rotating shaft 11 and a polygonal column 8 fixed on the side fixing plate 6, and the polygonal column 8 can be adaptively inserted into the polygonal sleeve 7. The polygonal sleeve 7 and the polygonal column 8 are at least hexagonal. In the embodiment, the polygonal sleeve 7 and the polygonal column 8 are both dodecagonal, and each positioning angle is 30° apart.

[0027] As shown in the drawings, Figure 1 The both sides of the hand-held part 1 are provided with positioning holes 9, the number of the positioning holes 9 can be two, the side fixing plate 6 is provided with positioning rods 10 which can be inserted into the positioning holes 9, and when the positioning rods 10 correspond to the positioning holes 9, the polygonal column 8 and the polygonal sleeve 7 are synchronously corresponding.

[0028] When the angle adjustment of the knife holder 2 is completed, the positioning rods 10 of the side fixing plate 6 are inserted into the corresponding positioning holes 9, the synchronous polygonal column 8 is inserted into the corresponding polygonal sleeve 7, the rotating shaft 11 is positioned, and the deflection of the knife holder 2 and the blade 4 in the use process is avoided.

[0029] In order to improve the stability of the blade 4, the pressing assembly 5 is arranged below the clamping piece 3 in the knife holder 2, and the pressing assembly 5 is used for pressing the blade 4 on the clamping piece 3.

[0030] As shown in the drawings, Figure 3 The pressing assembly 5 comprises a guide groove 51 vertically arranged on the knife holder 2, a top block 52 is adaptively vertically slid in the guide groove 51, and a spring 53 is arranged between the top block 52 and the bottom of the guide groove 51. The top block 52 uses the tension of the spring 53 to press the blade 4 on the clamping piece 3.

[0031] The fixed holes can be arranged on the blade 4, the top of the top block 52 is hemispherical, and after the blade 4 is inserted below the clamping piece 3, the top block 52 is just pressed into the corresponding fixed hole, which can greatly improve the fixation of the blade 4.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art 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. An adjustable-angle putty scraper, characterized in that: It includes a hand-held part (1), a knife holder (2), and a blade (4). The knife holder (2) is provided with an elastic clamp (3) for holding the blade (4). The knife holder (2) is rotatably mounted on the hand-held part (1) via a rotating shaft (11). The hand-held part (1) is hollow and has two through sides. Side fixing plates (6) are inserted into both sides of the hand-held part (1). A positioning component is provided between the side fixing plates (6) and the rotating shaft (11).

2. The adjustable-angle putty scraper according to claim 1, characterized in that: The positioning component includes a polygonal sleeve (7) coaxially mounted on a rotating shaft (11) and a polygonal column (8) fixed on a side fixing plate (6). The polygonal column (8) can be adapted to be inserted into the polygonal sleeve (7).

3. The adjustable-angle putty scraper according to claim 2, characterized in that: The handheld part (1) is provided with positioning holes (9) on both sides, and the side fixing plate (6) is provided with positioning rods (10) that can be inserted into the positioning holes (9). When the positioning rods (10) correspond to the positioning holes (9), the polygonal column (8) and the polygonal sleeve (7) correspond synchronously.

4. The adjustable-angle putty scraper according to claim 2, characterized in that: The polygonal sleeve (7) and the polygonal column (8) are at least hexagonal.

5. The adjustable-angle putty scraper according to claim 1, characterized in that: A clamping assembly (5) is provided inside the blade holder (2) below the clamping plate (3), and the clamping assembly (5) is used to press the blade (4) against the clamping plate (3).

6. The adjustable-angle putty scraper according to claim 5, characterized in that: The clamping assembly (5) includes a guide groove (51) vertically opened on the knife holder (2), a top block (52) is vertically slidably adapted in the guide groove (51), and a spring (53) is provided between the top block (52) and the bottom of the guide groove (51).

Citation Information

Patent Citations

  • Putty plastering tool

    CN202441037U