Handheld grooving machine

Abstract

The utility model provides a handheld grooving machine. The grooving machine solves the problems that an existing grooving machine cannot be conveniently held to conduct grooving on some walls with special angles, and use is inconvenient. The cutting machine comprises the machine body, the protective cover, the saw blade and the bottom plate movably arranged on the protective cover, cutting is conducted through the part, located below the bottom plate, of the saw blade, in the using process, the cutting depth of the saw blade is adjusted through the protective cover and the second arc-shaped plate, and then the holding angle of the machine body and the handle is adjusted through the handle and the first arc-shaped plate; the multifunctional wall-mounted device can be conveniently held on walls at various angles, is safer to use, and is more convenient to adjust.

Description

Technical Field

[0001] The utility model relates to the technical field of electric tools, in particular to a handheld slotting machine. Background Art

[0002] With the development of society and the advancement of science and technology, people have higher and higher requirements for office conditions and homes. In the process of office and home interior decoration, it is necessary to carry out strong and weak current wiring and water and gas pipeline laying. At present, the most effective way to lay strong and weak current wiring and pipelines is to use a handheld slotting machine to make slots on the ground or wall. Since the slotting machine has high slotting efficiency, its work efficiency is several times or even dozens of times that of manual slotting, so it is deeply loved by the industry. However, in actual use, for some walls with special angles, the slotting machine cannot be conveniently held for slotting, which is inconvenient to use. There is room for improvement in the existing technology. Summary of the invention

[0003] In view of the above existing situation, the utility model provides a hand-held slotting machine, including a body, a protective cover, a saw blade and a bottom plate movably arranged on the protective cover, characterized in that the body is rotatably arranged on the protective cover and is used to drive the saw blade to rotate, a handle for holding is fixedly arranged on the body, a first arc-shaped plate is fixedly arranged on the protective cover, the center of the first arc-shaped plate coincides with the center of the saw blade, a first locking groove extending along the length direction of the first arc-shaped plate is provided on the first arc-shaped plate, a connecting plate is fixedly arranged on the handle, a first knob for being clamped in the first locking groove and completing the locking of the handle is rotatably arranged on the connecting plate, a rear end of the protective cover is rotatably arranged on the bottom plate, a second arc-shaped plate extending upward is fixedly arranged on the front end of the bottom plate, the center of the second arc-shaped plate is the connection between the rear end of the protective cover and the bottom plate, a second locking groove is provided on the second arc-shaped plate, and a second knob for being clamped in the second locking groove and locking the protective cover and the second arc-shaped plate is rotatably provided on the front end of the protective cover.

[0004] Preferably, the first arc-shaped plate is fixedly arranged on the end surface of the protective cover facing the handle through a plurality of mounting posts, and a certain gap is left between the first arc-shaped plate and the protective cover.

[0005] Preferably, a circle of upwardly extending protrusions is fixedly provided on the outer periphery of the bottom plate.

[0006] Preferably, a mounting plate extending in the width direction of the base plate is fixedly provided at the rear end of the base plate, and a fender extending downward is fixedly provided on the mounting plate.

[0007] Preferably, a plurality of upwardly protruding reinforcing ribs are provided at the lower end of the bottom plate.

[0008] Preferably, a dust exhaust port connected to the interior of the protective cover is opened at the rear end of the protective cover, a dust exhaust pipe is inserted into the dust exhaust port, and a dustproof plate facing the dust exhaust pipe is fixedly provided on the machine body.

[0009] Preferably, a clamping ring is provided in the dust exhaust port, and a first annular groove for clamping the clamping ring is provided on the dust exhaust pipe.

[0010] Preferably, a circle of second annular grooves is formed on the dust exhaust pipe, the second annular groove is located above the first annular groove and in the dust exhaust port, and a sealing ring is clamped in the second annular groove.

[0011] Preferably, a heat dissipation sleeve is provided at the rear end of the machine body, a plurality of heat dissipation openings are opened on the heat dissipation sleeve, and the dustproof plate is fixedly arranged on the heat dissipation sleeve.

[0012] Preferably, a plurality of reinforcing plates are fixedly arranged between the dustproof plate and the heat dissipation sleeve.

[0013] Compared with the prior art, in the utility model, cutting is performed by the portion of the saw blade located below the bottom plate. When in use, the cutting depth of the saw blade is adjusted by the protective cover and the second curved plate, and the holding angle of the machine body and the handle is adjusted by the handle and the first curved plate. It can be conveniently held on walls at various angles, is safer to use, and is more convenient to adjust. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is the overall structural view of the utility model;

[0015] Figure 2 This is the overall structural view of the other side of the utility model;

[0016] Figure 3 It is a cutaway view of the dust exhaust port;

[0017] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0018] Markings in the figure: 1. machine body; 2. protective cover; 3. saw blade; 4. bottom plate; 5. handle; 6. first arc plate; 7. first locking groove; 8. connecting plate; 9. first knob; 10. second arc plate; 11. second locking groove; 12. second knob; 13. mounting column; 14. convex edge; 15. mounting plate; 16. mud guard; 17. reinforcing rib; 18. dust outlet; 19. dust outlet pipe; 20. dustproof plate; 21. retaining ring; 22. first annular groove; 23. second annular groove; 24. sealing ring; 25. heat dissipation sleeve; 26. heat dissipation outlet; 27. reinforcing plate. DETAILED DESCRIPTION

[0019] The present invention will be further described below with reference to the embodiments shown in the accompanying drawings:

[0020] like Figure 1-4 As shown, a handheld slotting machine comprises a machine body 1, a protective cover 2, a saw blade 3 and a bottom plate 4 movably arranged on the protective cover 2, wherein a circle of convex edges 14 extending upward are fixedly arranged on the outer periphery of the bottom plate 4. A plurality of upwardly convex reinforcing ribs 17 are provided at the lower end of the bottom plate 4, and the overall strength of the bottom plate 4 is further strengthened by the reinforcing ribs 17. The machine body 1 is rotatably arranged on the protective cover 2 and is used to drive the saw blade 3 to rotate. A handle 5 for holding is fixedly arranged on the machine body 1, and a first arc plate 6 is fixedly arranged on the protective cover 2, the center of the first arc plate 6 coincides with the center of the saw blade 3, and the first arc plate 6 is fixedly arranged on the end surface of the protective cover 2 facing the handle 5 through a plurality of mounting columns 13, and a certain gap is left between the first arc plate 6 and the protective cover 2. The first arc plate 6 is provided with a first locking groove 7 extending along the length direction of the first arc plate 6, the handle 5 is fixedly provided with a connecting plate 8, the connecting plate 8 is rotatably provided with a first knob 9 for clamping in the first locking groove 7 and locking the handle 5, the rear end of the protective cover 2 is rotatably provided on the base plate 4, the front end of the base plate 4 is fixedly provided with a second arc plate 10 extending upward, the center of the second arc plate 10 is the connection between the rear end of the protective cover 2 and the base plate 4, the second arc plate 10 is provided with a second locking groove 11, the front end of the protective cover 2 is rotatably provided with a second knob 12 clamped in the second locking groove 11 and used to lock the protective cover 2 and the second arc plate 10.

[0021] The cutting is performed through the portion of the saw blade 3 located below the base plate 4. When in use, the cutting depth of the saw blade 3 is adjusted through the protective cover 2 and the second curved plate 10, and the holding angle of the machine body 1 and the handle 5 is adjusted through the handle 5 and the first curved plate 6. It can be conveniently held on walls at various angles, is safer to use, and is more convenient to adjust.

[0022] A mounting plate 15 extending along the width direction of the base plate 4 is fixedly provided at the rear end of the base plate 4, and a fender 16 extending downward is fixedly provided on the mounting plate 15. The fender 16 blocks dust splashed during the slotting process.

[0023] The protective cover 2 is provided with a dust discharge port 18 connected to the interior of the protective cover 2 at the rear end, a dust discharge pipe 19 is inserted into the dust discharge port 18, and a dustproof plate 20 facing the dust discharge pipe 19 is fixedly provided on the body 1. A circle of clamping ring 21 is provided in the dust discharge port 18, and a circle of first annular groove 22 for clamping the clamping ring 21 is provided on the dust discharge pipe 19. A circle of second annular groove 23 is provided on the dust discharge pipe 19, and the second annular groove 23 is located above the first annular groove 22 and located in the dust discharge port 18, and a sealing ring 24 is clamped in the second annular groove 23. A heat dissipation sleeve 25 is provided at the rear end of the body 1, and a plurality of heat dissipation ports 26 are provided on the heat dissipation sleeve 25. The dustproof plate 20 is fixedly provided on the heat dissipation sleeve 25, and a plurality of reinforcing plates 27 are fixedly provided between the dustproof plate 20 and the heat dissipation sleeve 25, and the strength of the connection between the dustproof plate 20 and the heat dissipation sleeve 25 is further strengthened by the reinforcing plates 27. Most of the dust generated during the grooving process is discharged through the dust exhaust port 18 connected to the inside of the dust cover and guided through the dust exhaust pipe 19. The dust exhaust pipe 19 can be conveniently rotated to adjust the discharge angle, and the dust exhaust pipe 19 is fixed by the snap-fit ​​clamping ring 21 and the first annular groove 22. The sealing ring 24 is used to prevent dust from leaking out of the gap between the dust exhaust pipe 19 and the dust exhaust port 18.

[0024] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A handheld slotting machine, comprising a machine body (1), a protective cover (2), a saw blade (3), and a bottom plate (4) movably arranged on the protective cover (2), characterized in that: The machine body (1) is rotatably mounted on the protective cover (2) and is used to drive the saw blade (3) to rotate. A handle (5) for holding is fixedly mounted on the machine body (1). A first arc-shaped plate (6) is fixedly mounted on the protective cover (2). The center of the first arc-shaped plate (6) coincides with the center of the saw blade (3). A first locking groove (7) extending along the length direction of the first arc-shaped plate (6) is formed on the first arc-shaped plate (6). A connecting plate (8) is fixedly mounted on the handle (5). A connecting plate (8) is rotatably mounted on the connecting plate (8) for locking in the first locking groove. (7) and a first knob (9) for locking the handle (5), the rear end of the protective cover (2) is rotatably arranged on the base plate (4), the front end of the base plate (4) is fixedly provided with a second arc plate (10) extending upward, the center of the second arc plate (10) is the connection point between the rear end of the protective cover (2) and the base plate (4), the second arc plate (10) is provided with a second locking groove (11), and the front end of the protective cover (2) is rotatably provided with a second knob (12) which is clamped in the second locking groove (11) and is used to lock the protective cover (2) and the second arc plate (10).

2. A handheld slotting machine according to claim 1, characterized in that: The first arc-shaped plate (6) is fixedly arranged on the end surface of the protective cover (2) facing the handle (5) via a plurality of mounting posts (13), with a certain gap being left between the first arc-shaped plate (6) and the protective cover (2).

3. A handheld slotting machine according to claim 1, characterized in that: A circle of convex edges (14) extending upwards is fixedly provided on the outer periphery of the bottom plate (4).

4. A handheld slotting machine according to claim 1, characterized in that: A mounting plate (15) extending in the width direction of the bottom plate (4) is fixedly disposed at the rear end of the bottom plate (4), and a fender (16) extending downward is fixedly disposed on the mounting plate (15).

5. A handheld slotting machine according to claim 1, characterized in that: The bottom end of the bottom plate (4) is provided with a plurality of upwardly protruding reinforcing ribs (17).

6. A handheld slotting machine according to claim 1, characterized in that: The protective cover (2) has a dust exhaust port (18) at the rear end thereof which is connected to the interior of the protective cover (2), a dust exhaust pipe (19) is inserted into the dust exhaust port (18), and a dust prevention plate (20) facing the dust exhaust pipe (19) is fixedly provided on the machine body (1).

7. A handheld slotting machine according to claim 6, characterized in that: A circle of clamping ring (21) is provided in the dust exhaust port (18), and a circle of first annular groove (22) for clamping the clamping ring (21) is provided on the dust exhaust pipe (19).

8. A handheld slotting machine according to claim 7, characterized in that: The dust exhaust pipe (19) is provided with a circle of second annular grooves (23), the second annular grooves (23) being located above the first annular grooves (22) and inside the dust exhaust port (18), and a sealing ring (24) being clamped inside the second annular grooves (23).

9. A handheld slotting machine according to claim 8, characterized in that: The rear end of the machine body (1) is provided with a heat dissipation sleeve (25), the heat dissipation sleeve (25) is provided with a plurality of heat dissipation openings (26), and the dustproof plate (20) is fixedly arranged on the heat dissipation sleeve (25).

10. A handheld slotting machine according to claim 9, characterized in that: A plurality of reinforcing plates (27) are fixedly arranged between the dustproof plate (20) and the heat dissipation sleeve (25).

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