Novel ash scraping knife

Abstract

The utility model relates to the technical field of ash scraping knives, in particular to a novel ash scraping knife which comprises an ash scraping knife body, the ash scraping knife body is composed of a knife rest, a first blade, a second blade and a grab handle frame, the first blade and the second blade are both arranged on the knife rest, an inserting groove and a countersunk head screw hole are formed in the grab handle frame, and a rotating inserting column is arranged on the knife rest. The rotary inserting column is connected with the inserting groove in an inserted mode, a first positioning groove and a second positioning groove are formed in the rotary inserting column, the first blade is sleeved with a first blade protection cover, the second blade is sleeved with a second blade protection cover, the first blade is provided with a first fillet, the second blade is provided with a second fillet, and a threaded pin is arranged in the countersunk screw hole. A screw pin handle cap is arranged on the threaded pin, and a finger lock groove is formed in the screw pin handle cap. The application range of the ash scraper body is widened, the protection performance of the first blade and the second blade on the ash scraper body is improved, and the convenience of adjusting and positioning is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plaster scrapers, in particular to a novel plaster scraper. Background Art

[0002] A putty scraper is a tool used to clean up ashes and residual materials accumulated on the outer surface of equipment. A putty scraper generally consists of a handle frame, a connecting frame, and a scraper blade.

[0003] When using the scraper, you usually hold the handle frame with your hand and then move it slowly along the outer surface of the equipment. The scraper blade can remove the ash and residual materials accumulated on the outer surface of the equipment. The scraper is often used to scrape and clean the ash and residual materials on the outer surface of small boilers or small stainless steel chimneys.

[0004] Generally, the scraper itself is a long sheet of metal blade, which is convenient for scraping and cleaning the outer surface of the flat boiler equipment. However, if the outer surface is a circular structure, such as the outer surface of a small stainless steel chimney, then this long sheet of metal blade is not convenient for scraping and cleaning, which greatly reduces the scope of application of the scraper body.

[0005] In addition, the existing scraper body has a scraper that is mostly exposed. If care is not taken, the sharp blade of the scraper will easily scratch the user's skin or clothes, reducing the protectiveness of the scraper on the scraper body.

[0006] The above problems are widespread and urgently need to be improved. Utility Model Content

[0007] The utility model aims to solve the above-mentioned shortcomings in the prior art and proposes a new type of plaster scraper.

[0008] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0009] A new type of scraper is designed, including a scraper body, the scraper body consists of a tool holder, a first blade, a second blade, and a handle holder, the first blade and the second blade are both arranged on the tool holder, the handle holder is provided with a plug-in slot and a countersunk screw hole, the tool holder is provided with a rotating plug post, the rotating plug post is plugged into the plug-in slot, the rotating plug post is provided with a first positioning slot and a second positioning slot, the first blade is provided with a first blade guard, the second blade is provided with a second blade guard, the first blade is provided with a first chamfered corner, the second blade is provided with a second chamfered corner, a threaded pin is provided in the countersunk screw hole, a screw pin handle cap is provided on the threaded pin, a finger buckle groove is provided on the screw pin handle cap, and a damping elastic layer is provided in the finger buckle groove.

[0010] Furthermore, the tool holder is an overall U-shaped structure, the first blade and the second blade are respectively arranged at the lower end of the tool holder, and the first positioning groove and the second positioning groove are arranged symmetrically.

[0011] Furthermore, the threaded pin is threadedly connected to the countersunk screw hole and is clamped with the first positioning groove, and the right end of the screw pin handle cap is an arc-shaped structure and is not higher than the countersunk screw hole.

[0012] Furthermore, the number of the first rounded corners is two and they are respectively arranged at the corners on both sides of the upper end of the first blade, and the number of the second rounded corners is two and they are respectively arranged at the corners on both sides of the upper end of the second blade.

[0013] Furthermore, the first blade guard damping extrusion cover is arranged on the first blade, the second blade guard damping extrusion cover is arranged on the second blade, and the first blade guard and the second blade guard are both made of fluororubber.

[0014] Furthermore, the finger buckle groove is an arc-shaped inner groove structure as a whole, and there are four finger buckle grooves arranged in a circle.

[0015] Furthermore, the damping elastic layer is evenly arranged along the inner groove wall of the finger buckle groove, the damping elastic layer is made of a high-elastic vulcanized rubber coating material, and the thickness of the damping elastic layer is forty to sixty microns.

[0016] The utility model provides a novel plaster scraper, which has the following beneficial effects:

[0017] 1. The utility model is provided with a rotatable positioning tool holder structure having a first blade and a second blade, and a matching threaded pin clamping positioning structure is provided on the handle frame. When it is necessary to scrape and clean the equipment body with a circular outer surface, the second blade can be conveniently rotated 180 degrees and clamped in position, and the scraping and cleaning operation can be performed through the arc-shaped second blade, which effectively improves the application range of the scraper body.

[0018] 2. The utility model provides matching first blade guards and second blade guards on the first blade and the second blade, and respectively provides first chamfered corners and second chamfered corners on the first blade and the second blade, thereby improving the overall protection of the first blade and the second blade on the putty scraper body, thereby preventing the sharp blades of the first blade and the second blade from easily scratching the user's skin or clothes if care is not taken.

[0019] 3. The utility model provides a finger-locking groove on the screw pin handle cap and arranges a damping elastic layer structure in the finger-locking groove, so that the finger can be inserted into and rotated to achieve the effect of rotational adjustment and positioning of the first blade and the second blade, which greatly improves the convenience of adjustment and positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is an exploded view of the overall structure of the utility model;

[0021] Figure 2 It is a three-dimensional schematic diagram of the overall structure of the utility model having a first knife guard and a second knife guard;

[0022] Figure 3 It is a three-dimensional schematic diagram of the overall structure of the utility model without the first blade guard and the second blade guard;

[0023] Figure 4 For the utility model Figure 1 A three-dimensional schematic diagram of a screw handle cap having a finger-locking groove;

[0024] Figure 5 For the utility model Figure 2 Middle frontal perspective view;

[0025] Figure 6 For the utility model Figure 5 A partial enlarged view of point A in the middle.

[0026] In the figure: 10 putty scraper body; 1 tool holder; 2 first blade; 21 first blade guard; 22 first chamfer; 3 second blade; 31 second blade guard; 32 second chamfer; 4 rotating pin; 41 first positioning slot; 42 second positioning slot; 5 handle frame; 51 plug-in slot; 6 countersunk screw hole; 7 screw handle cap; 71 threaded pin; 8 finger buckle slot; 81 damping elastic layer. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0028] Reference Figure 1-6A new type of scraper includes a scraper body 10, which is composed of a tool holder 1, a first blade 2, a second blade 3, and a handle holder 5. The first blade 2 and the second blade 3 are both arranged on the tool holder 1, and the handle holder 5 is provided with a plug-in slot 51 and a countersunk screw hole 6. A rotating plug post 4 is provided on the tool holder 1, and the rotating plug post 4 is plugged into the plug-in slot 51. The rotating plug post 4 is provided with a first positioning slot 41 and a second positioning slot 42. The first blade 2 is provided with a first blade guard 21, and the second blade 3 is provided with a second blade guard 31. The first blade 2 is provided with a first chamfered corner 22, and the second blade 3 is provided with a second chamfered corner 32. A threaded pin 71 is provided in the countersunk screw hole 6, and a screw handle cap 7 is provided on the threaded pin 71. A finger buckle groove 8 is provided on the screw handle cap 7, and a damping elastic layer 81 is provided in the finger buckle groove 8. The sharp blades of the first blade 2 and the second blade 3 are both located below them for scraping effect.

[0029] In detail, the tool holder 1 is a U-shaped structure as a whole, the first blade 2 and the second blade 3 are respectively arranged at the lower end of the tool holder 1, the first positioning groove 41 and the second positioning groove 42 are symmetrically arranged, and the tool holder 1 itself is made of aluminum alloy, which is durable, lightweight and does not deform.

[0030] Furthermore, the threaded pin 71 is threadedly connected to the countersunk screw hole 6 and clamped with the first positioning groove 41. The right end of the screw handle cap 7 is an arc-shaped structure and is not higher than the countersunk screw hole 6, so as to avoid the protruding screw handle cap 7 affecting the comfort of holding the handle frame 5.

[0031] Furthermore, there are two first chamfers 22, which are respectively arranged at the corners on both sides of the upper end of the first blade 2; there are two second chamfers 32, which are respectively arranged at the corners on both sides of the upper end of the second blade 3. The first chamfer 22 and the second chamfer 32 avoid scratches caused by the ninety-degree sharp corners of the first blade 2 and the second blade 3.

[0032] In more detail, the first knife guard 21 damping extrusion cover is arranged on the first blade 2, and the second knife guard 31 damping extrusion cover is arranged on the second blade 3. The first knife guard 21 and the second knife guard 31 are both made of fluororubber, have excellent puncture resistance, and have elastic damping friction performance, which improves the anti-slip property of the first knife guard 21 and the second knife guard 31 respectively mounted on the first blade 2 and the second blade 3.

[0033] In general, the finger-locking groove 8 is an arc-shaped inner groove structure as a whole, and there are four finger-locking grooves 8 arranged in a circle, which can facilitate the fingers to insert and rotate the threaded pin 71.

[0034] Finally, the damping elastic layer 81 is evenly arranged along the inner groove wall of the finger buckle groove 8. The damping elastic layer 81 is made of a high-elastic vulcanized rubber coating material. The thickness of the damping elastic layer 81 is forty to sixty microns. The high-elastic vulcanized rubber coating material has excellent high-elastic damping friction performance, which improves the comfort of the fingers inserted into the finger buckle groove 8 and the damping and anti-slip properties.

[0035] Working method: when it is necessary to scrape and clean the equipment body with a circular structure on the outer surface, first insert your finger into the finger buckle groove 8, and then rotate it counterclockwise, driving the screw handle cap 7 and the threaded pin 71 to rotate counterclockwise, and through the threaded transmission between the countersunk screw hole 6, drive the threaded pin 71 to move right and exit the first positioning groove 41, then rotate the tool holder 1 horizontally 180 degrees and stop, drive the rotating plug column 4 to rotate 180 degrees in the plug-in groove 51 and stop, and at the same time drive the first blade 2 and the second blade 3 to rotate horizontally 180 degrees and stop, so that the first blade 2 and the second blade 3 can be swapped, and then the threaded pin 71 is rotated clockwise and snapped into the aligned second positioning groove 42 to achieve snap-on positioning, and then hold the handle frame 5 and use the second blade 3 that has been rotated to the left to scrape and clean the equipment body with a circular structure on the outer surface. Similarly, the first blade 2 can be used to scrape and clean the equipment body with a flat structure on the outer surface, thereby improving the overall scope of application of the scraper body 10.

[0036] Moreover, by providing matching first blade guards 21 and second blade guards 31 on the first blade 2 and second blade 3, and providing first chamfers 22 and second chamfers 32 on the first blade 2 and second blade 3, respectively, the overall protection of the first blade 2 and second blade 3 on the putty scraper body 10 is improved, thereby preventing the sharp edges of the first blade 2 and second blade 3 from easily scratching the user's skin or clothes if care is not taken.

[0037] In addition, by opening a finger groove 8 on the screw handle cap 7 and providing a damping elastic layer 81 structure in the finger groove 8, the threaded pin 71 can be inserted and rotated by fingers, thereby achieving the effect of rotational adjustment and positioning of the first blade 2 and the second blade 3, which greatly improves the convenience of adjustment and positioning.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A novel plaster scraper, comprising a plaster scraper body (10), characterized in that: The plaster scraper body (10) is composed of a blade holder (1), a first blade (2), a second blade (3), and a handle holder (5); the first blade (2) and the second blade (3) are both arranged on the blade holder (1); the handle holder (5) is provided with a plug-in slot (51) and a countersunk screw hole (6); the blade holder (1) is provided with a rotating plug post (4); the rotating plug post (4) is plugged into the plug-in slot (51); the rotating plug post (4) is provided with a first positioning slot (41) and a second positioning slot (42); The first blade (2) is sleeved with a first blade guard (21), the second blade (3) is sleeved with a second blade guard (31), the first blade (2) is provided with a first chamfered corner (22), the second blade (3) is provided with a second chamfered corner (32), a threaded pin (71) is provided in the countersunk screw hole (6), a screw pin handle (7) is provided on the threaded pin (71), a finger lock groove (8) is provided on the screw pin handle (7), and a damping elastic layer (81) is provided in the finger lock groove (8).

2. A new type of scraper according to claim 1, characterized in that: The tool holder (1) is a U-shaped structure as a whole, the first blade (2) and the second blade (3) are respectively arranged at the lower end of the tool holder (1), and the first positioning groove (41) and the second positioning groove (42) are arranged symmetrically.

3. A new type of scraper according to claim 1, characterized in that: The threaded pin (71) is threadedly connected to the countersunk screw hole (6) and is clamped to the first positioning groove (41); the right end of the screw pin handle (7) is an arc-shaped structure and is not higher than the countersunk screw hole (6).

4. A new type of scraper according to claim 1, characterized in that: The number of the first rounded corners (22) is two and they are respectively arranged at the corners on both sides of the upper end of the first blade (2); the number of the second rounded corners (32) is two and they are respectively arranged at the corners on both sides of the upper end of the second blade (3).

5. A new type of scraper according to claim 1, characterized in that: The first blade guard (21) damping extrusion cover is arranged on the first blade (2), and the second blade guard (31) damping extrusion cover is arranged on the second blade (3). The first blade guard (21) and the second blade guard (31) are both made of fluororubber.

6. A new type of scraper according to claim 1, characterized in that: The finger buckle groove (8) is an arc-shaped inner groove structure as a whole, and there are four finger buckle grooves (8) arranged in a circle.

7. A new type of scraper according to claim 1, characterized in that: The damping elastic layer (81) is evenly arranged along the inner groove wall surface of the finger buckle groove (8), the damping elastic layer (81) is made of a high-elastic vulcanized rubber coating material, and the thickness of the damping elastic layer (81) is forty to sixty microns.

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