Scraper knife with blade convenient to replace

Abstract

The utility model relates to the technical field of perching knives, and discloses a perching knife convenient for replacing a blade, which comprises a knife rest, a blade main body is arranged in the knife rest in a sliding way, a U-shaped box is arranged on one side of the blade main body in a clamping way through a clamping block, the U-shaped box is fixedly connected with the knife rest, and two inserting plates are symmetrically arranged in the U-shaped box in a sliding way; an inserting groove matched with the inserting plate is formed in the clamping block, one side of the inserting plate is fixedly connected with the inner wall of the U-shaped box through a first spring, and an inclined block is arranged in the inserting plate in a sliding mode; by pressing an arranged pressing cap, a sliding column, a circular plate and two bent rods synchronously move towards the direction of the blade body, then an inclined block can move in an inclined groove, two inserting plates can synchronously move away from each other, the inserting plates can be conveniently separated from inserting grooves, people can conveniently and rapidly disassemble or replace the blade body, and the practicability is high. No special work is needed to implement dismounting or replacing operation, the use convenience is good, and normal use of people is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of scraper blades, in particular to a scraper blade which is convenient for replacing a blade. Background Art

[0002] A scraper is a cleaning tool, mainly used for scraping off wall paint after glass installation or tile grouting. It is mostly used for removing glue edges and is widely used in many fields.

[0003] Among them, the "a paint scraper with replaceable blade" disclosed in the application number "CN201720735254.7" "comprises a blade and a handle. The top of the handle is provided with a slide groove, and the two sides of the lower end of the blade are provided with convex strips, and the convex strips are installed at the bottom of the slide groove. The middle part of the slide groove is provided with a left block and a right block for blocking the convex strips, and the left block is fixedly connected to the left side of the handle, and the right block is fixedly connected to the right side of the handle. The left block and the right block A clamping device for clamping the blade is provided on the top, and the clamping device includes a left spring, a left clamping block, a right spring, and a right clamping block. The left spring and the left clamping block are arranged on the left stopper, and the right spring and the right clamping block are arranged on the right stopper. In the utility model, a clamping device is provided, so that the blade can be clamped to prevent the blade from shaking. Third, there are two left springs and two right springs respectively, so that the blade can be clamped more tightly. Fourth, the first bolt of the utility model can further fix the blade.

[0004] However, the above method still has the following defects: when the blade is replaced, it needs to be assembled by placing bolts, and when disassembling, special disassembly tools need to be found to implement the operation, which is not convenient for people to quickly replace the blade and affects people's normal use. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a shovel with an easy-to-replace blade, which allows people to quickly disassemble or replace the blade body without having to find a special worker to perform the disassembly or replacement operations. It is easy to use and ensures people's normal use, thus solving the problems raised by the above-mentioned background technology.

[0006] The utility model provides the following technical solution: a scraper blade which is easy to replace a blade, comprising a blade holder, a blade body being slidably provided inside the blade holder, a U-shaped box being clamped on one side of the blade body through a clamping block, the U-shaped box being fixedly connected to the blade holder, two plugging plates being symmetrically slidably provided inside the U-shaped box, a slot matching the plugging plates being provided inside the clamping block, one side of the plugging plates being fixedly connected to the inner wall of the U-shaped box through a spring, an inclined block being slidably provided inside the plugging plate, an inclined groove matching the inclined block being provided inside the plugging plate, a circular plate being provided on one side of the inclined block through a bent rod, a pressure cap being provided on one side of the circular plate through a sliding column, a limit assembly being provided on the surface of the sliding column, a sleeve being provided on one side of the blade holder through a door-shaped plate, and a hand-held assembly being provided inside the sleeve.

[0007] As a preferred technical solution of the utility model, a slide groove matching the blade body is provided inside the tool holder, the blade body is slidably connected to the slide groove, a tool sleeve is provided on the surface of the blade body, two magnet columns are symmetrically provided on one side of the tool sleeve, two cylindrical grooves matching the magnet columns are symmetrically provided on the surface of the tool holder, and an iron sheet is provided inside the cylindrical groove, and the magnet column is magnetically connected to the iron sheet.

[0008] As a preferred technical solution of the utility model, a card slot matching the card block is provided inside the U-shaped box, and the card block is snap-fitted and connected with the card slot.

[0009] As a preferred technical solution of the utility model, a guide rod is slidably provided on the side of the insert plate away from the inclined block through a support block, both ends of the guide rod are fixedly connected to the inner wall of the U-shaped box, and the sliding column is slidably connected to the U-shaped box.

[0010] As a preferred technical solution of the utility model, the limit assembly includes spring 2, which is sleeved on the outside of the sliding column, one end of the spring 2 is fixedly connected to one side of the circular plate, and the other end is fixedly connected to the inner wall of the U-shaped box.

[0011] As a preferred technical solution of the utility model, two guide blocks are symmetrically arranged on the surface of the sliding column, and a guide groove matching the guide blocks is opened inside the U-shaped box, and the guide block is slidably connected to the guide groove.

[0012] As a preferred technical solution of the utility model, the handheld assembly includes a handle, the handle is threadedly arranged inside the sleeve, and a grip is provided at one end of the handle away from the tool holder.

[0013] As a preferred technical solution of the utility model, a plurality of anti-slip grooves are arranged on the surface of the handle, and a hanging ring is arranged at one end of the handle.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The blade-replaceable scraper can press the pressure cap to make the slide column, the circular plate and the two curved rods move synchronously toward the blade body, so that the inclined block can move inside the inclined groove, and the two plug-in plates can move away synchronously, which is convenient for separating the plug-in plates from the slots. It is convenient for people to quickly disassemble or replace the blade body without finding a special worker to perform the disassembly or replacement operation. It is easy to use and ensures people's normal use.

[0016] 2. The shovel with easy blade replacement has a limit assembly to facilitate the sliding column and the pressure cap to play a limit support role, and is easy to use. Secondly, the handheld assembly is set to facilitate the use of the shovel using the handle and the grip, and is easy to disassemble and carry later. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is one of the three-dimensional structural schematic diagrams of the utility model;

[0018] Figure 2 It is a schematic diagram of the exploded structure of the blade body of the utility model;

[0019] Figure 3 It is a schematic diagram of the cross-sectional structure of the tool holder of the utility model;

[0020] Figure 4 For this utility model Figure 3 A is an enlarged structural diagram;

[0021] Figure 5 For this utility model Figure 3 The enlarged structural diagram at B in FIG.

[0022] Figure 6 This is the second schematic diagram of the three-dimensional structure of the utility model.

[0023] In the figure: 1. knife holder; 2. blade body; 3. clamping block; 4. U-shaped box; 5. plug-in plate; 6. oblique block; 7. oblique groove; 8. spring one; 9. limit assembly; 901. spring two; 902. guide block; 903. support block; 904. guide rod; 10. sleeve; 11. hand-held assembly; 1101. knife handle; 1102. grip; 1103. anti-skid pattern; 1104. hanging ring; 12. bent rod; 13. round plate; 14. slide column; 15. pressure cap; 16. door plate; 17. knife sleeve; 18. magnet column; 19. cylindrical groove; 20. slide groove. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Embodiment 1:

[0026] See also Figure 1-6 The utility model provides a scraper for easy replacement of blades, including a blade holder 1, a blade body 2 is slidably provided inside the blade holder 1, a U-shaped box 4 is clamped with a clamping block 3 on one side of the blade body 2, the U-shaped box 4 is fixedly connected to the blade holder 1, two plug-in plates 5 are symmetrically slidably provided inside the U-shaped box 4, a slot matching the plug-in plate 5 is provided inside the clamping block 3, and the plug-in plate 5 is matched with the slot at the clamping block 3 by the provided plug-in plate 5, so as to facilitate the implementation of limiting the clamping block 3 and fix the blade body 2, one side of the plug-in plate 5 is fixedly connected to the inner wall of the U-shaped box 4 through a spring 8, an inclined block 6 is slidably provided inside the plug-in plate 5, an inclined groove 7 matching the inclined block 6 is provided inside the plug-in plate 5, a circular plate 13 is provided on one side of the inclined block 6 through a bent rod 12, and one side of the circular plate 13 The slide post 14 is provided with a pressure cap 15. By pressing the pressure cap 15, the slide post 14, the circular plate 13 and the two bent rods 12 can be moved synchronously, and then the inclined block 6 can be moved inside the inclined groove 7, and the two plug plates 5 can be moved away from each other synchronously, which is convenient for separating the plug plates 5 from the slots, and people can quickly disassemble or replace the blade body 2. There is no need to find special work to carry out the disassembly or replacement operation. It is convenient to use and ensures people's normal use. The surface of the slide post 14 is provided with a limit assembly 9, which is convenient for the movement of the slide post 14 and plays a role of limit guide. A sleeve 10 is provided on one side of the tool holder 1 through a door-shaped plate 16, and a hand-held assembly 11 is provided inside the sleeve 10, which is convenient for the use of the shovel through the hand-held assembly 11;

[0027] The limit assembly 9 includes a second spring 901, which is sleeved on the outside of the sliding column 14. One end of the second spring 901 is fixedly connected to one side of the circular plate 13, and the other end is fixedly connected to the inner wall of the U-shaped box 4, so as to support and reset the sliding column 14, and the use is convenient.

[0028] Two guide blocks 902 are symmetrically arranged on the surface of the sliding column 14, and a guide groove matching the guide block 902 is opened inside the U-shaped box 4. The guide block 902 is slidably connected with the guide groove to facilitate the movement of the sliding column 14 and play a role of limiting guidance;

[0029] A slide groove 20 matching the blade body 2 is provided inside the tool holder 1, and the blade body 2 is slidably connected to the slide groove 20, which is convenient for sliding connection of the blade body 2, plays a role of limiting guide, and is convenient for subsequent installation and removal of the blade body 2. A knife sleeve 17 is provided on the surface of the blade body 2, and two magnet columns 18 are symmetrically provided on one side of the knife sleeve 17. Two cylindrical grooves 19 matching the magnet columns 18 are symmetrically provided on the surface of the tool holder 1, and an iron sheet is provided inside the cylindrical groove 19. The magnet column 18 is magnetically connected to the iron sheet, which is convenient for installing and fixing the knife sleeve 17 using the magnet column 18 and the iron sheet, so as to protect the blade body 2 and protect people from harm at the same time, and the use is convenient;

[0030] A card slot matching the card block 3 is provided inside the U-shaped box 4, and the card block 3 and the card slot are snap-fitted and connected, so that the card block 3 and the card slot are convenient for positioning and installing the blade body 2, and the use is convenient.

[0031] Embodiment 2:

[0032] The handheld assembly 11 includes a handle 1101, which is threadedly arranged inside the sleeve 10, and a grip 1102 is arranged at one end of the handle 1101 away from the tool holder 1, so that the shovel can be used by using the grip 1102 and the handle 1101, and the handle 1101 and the grip 1102 can be disassembled for easy carrying;

[0033] The surface of the handle 1102 is provided with a plurality of anti-skid patterns 1103, and one end of the handle 1102 is provided with a hanging ring 1104, which is convenient for people to use the shovel to prevent slipping and to operate the shovel. The hanging ring 1104 is convenient for people to use to scrape the shovel to a suitable position, which is convenient for people to use later.

[0034] A guide rod 904 is slidably provided on the side of the plug plate 5 away from the inclined block 6 through the support block 903. The two ends of the guide rod 904 are fixedly connected to the inner wall of the U-shaped box 4. The sliding column 14 is slidably connected to the U-shaped box 4, which is convenient for limiting and guiding the movement of the plug plate 5, making the plug plate 5 more stable during the movement.

[0035] When in use, the handle 1101 with a threaded arrangement is threadedly connected to the sleeve 10, and the handle 1101 and the grip 1102 can be installed. Then, the magnetically connected knife sheath 17 is disassembled, and the shovel can be used by using the handle 1101 and the grip 1102.

[0036] When the shovel blade used for a long time is worn or damaged and needs to be disassembled and replaced, first press the set pressure cap 15 to drive the sliding column 14 to move toward the direction of the blade body 2, so that the spring 2 901 is stretched, which can synchronously drive the circular plate 13 and the two bent rods 12 to move synchronously, and then the inclined block 6 can move inside the inclined groove 7, so that the plug plate 5 can move away from each other synchronously under the action of the inclined block 6. At this time, the spring 1 8 is compressed, which is convenient for separating the plug plate 5 from the slot, and then the blade body 2 is pulled out and separated from the tool holder 1, so that people can quickly disassemble or replace the blade body 2, and there is no need to find a special worker to perform the disassembly or replacement operation, which is convenient to use;

[0037] When the blade body 2 needs to be installed, the pressure cap 15 is pressed again to make the plug plate 5 return to the inside of the U-shaped box 4, and the blade body 2 and the clamping block 3 are installed and engaged with the tool holder 1. The pressure cap 15 set under the panasonic arrangement can be supported by the spring 1 8 and the spring 2 901 to make the plug plate 5 plug and fix with the slot, so that the installation of the blade body 2 is completed, and the use is convenient;

[0038] Finally, when the shovel is not in use, the blade cover 17 is placed on the surface of the blade body 2 and magnetically connected and fixed with the magnet column 18 to facilitate protection of the blade body 2, and the blade body 2 can be hung at a suitable position using the hanging ring 1104 at the handle 1102.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A scraper with a blade that is easy to replace, comprising a blade holder (1), characterized in that: The blade holder (1) is provided with a blade body (2) in a sliding manner inside. A U-shaped box (4) is provided on one side of the blade body (2) through a clamping block (3). The U-shaped box (4) is fixedly connected to the blade holder (1). Two plug-in plates (5) are symmetrically provided inside the U-shaped box (4). A slot matching the plug-in plates (5) is provided inside the clamping block (3). One side of the plug-in plate (5) is fixedly connected to the inner wall of the U-shaped box (4) through a spring (8). A slanted block (6) is provided for sliding, an inclined groove (7) matching the slanted block (6) is provided inside the plug plate (5), a circular plate (13) is provided on one side of the slanted block (6) through a bent rod (12), a pressure cap (15) is provided on one side of the circular plate (13) through a sliding column (14), a limit assembly (9) is provided on the surface of the sliding column (14), a sleeve (10) is provided on one side of the tool holder (1) through a door-shaped plate (16), and a hand-held assembly (11) is provided inside the sleeve (10).

2. The scraper with easy blade replacement according to claim 1, characterized in that: The tool holder (1) has a slide groove (20) inside that matches the blade body (2), the blade body (2) is slidably connected to the slide groove (20), the surface of the blade body (2) is provided with a tool sleeve (17), one side of the tool sleeve (17) is symmetrically provided with two magnet columns (18), the surface of the tool holder (1) has two cylindrical grooves (19) that match the magnet columns (18), and an iron sheet is provided inside the cylindrical groove (19), and the magnet column (18) is magnetically connected to the iron sheet.

3. The scraper with easy blade replacement according to claim 1, characterized in that: A card slot matching the card block (3) is provided inside the U-shaped box (4), and the card block (3) is engaged with the card slot.

4. The scraper with easy blade replacement according to claim 1, characterized in that: A guide rod (904) is slidably provided on the side of the plug plate (5) away from the inclined block (6) through a support block (903), and both ends of the guide rod (904) are fixedly connected to the inner wall of the U-shaped box (4), and the sliding column (14) is slidably connected to the U-shaped box (4).

5. The scraper with easy blade replacement according to claim 1, characterized in that: The limit assembly (9) comprises a second spring (901), wherein the second spring (901) is sleeved on the outside of the sliding column (14), one end of the second spring (901) is fixedly connected to one side of the circular plate (13), and the other end is fixedly connected to the inner wall of the U-shaped box (4).

6. The scraper with easy blade replacement according to claim 1, characterized in that: Two guide blocks (902) are symmetrically arranged on the surface of the sliding column (14), and a guide groove matching the guide block (902) is opened inside the U-shaped box (4), and the guide block (902) is slidably connected to the guide groove.

7. The scraper with easy blade replacement according to claim 1, characterized in that: The handheld assembly (11) comprises a knife handle (1101), wherein the knife handle (1101) is threadedly arranged inside the sleeve (10), and a grip (1102) is provided at one end of the knife handle (1101) facing away from the knife holder (1).

8. The scraper with easy blade replacement according to claim 7, characterized in that: The surface of the handle (1102) is provided with a plurality of anti-slip grooves (1103), and one end of the handle (1102) is provided with a hanging ring (1104).

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