Multifunctional electric hand drill

Abstract

The utility model belongs to the technical field of electric tools, and particularly relates to a multifunctional electric hand drill which comprises a machine body, a supporting table is integrally and fixedly installed on the top of the machine body, a protection box is detachably assembled on the top of the supporting table, and a rotating disc is rotationally arranged in the center of the interior of the protection box. A connecting plate is rotatably mounted at the top of the rotating disc, a saw frame is rotatably arranged on one side of the top of the connecting plate in an embedded mode, a sliding rail is integrally and fixedly mounted on one side of the protection box, the bottom end of the saw frame is slidably arranged in the sliding rail, an outer cylinder is detachably assembled at one end of the machine body, and a spring is embedded in the outer cylinder; the tail end of the spring is fixedly connected with an inner cylinder, and the inner cylinder is arranged in the outer cylinder in a sliding mode. According to the utility model, the saw frame reciprocates through the detachable protection box, so that the sawing function is realized, and the drilling positioning accuracy and the drilling quality are improved by sliding the inner cylinder.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of electric tools, and particularly relates to a multifunctional electric hand drill. BACKGROUND

[0002] The electric hand drill is a common hand-held electric tool, which rotates synchronously through the transmission mechanism by the rotating power generated by the internal motor and transmitted to the drill bit installed on the drill chuck, then the rotating drill bit is aimed at the surface of the material to be drilled and a certain axial pressure is applied, so that the drilling operation can be completed. The electric hand drill has become an indispensable electric tool in many industries and families due to its convenience and practicality.

[0003] Problems of the prior art:

[0004] At present, the main function of the traditional electric hand drill is to drill various materials, which plays an important role in many fields such as construction, decoration and furniture manufacturing. However, with the increasing diversification of actual use scenarios, users' comprehensive demand for the function of the electric hand drill is also increasing. The single function of the existing electric hand drill cannot meet these diversified use requirements well, and often requires the provision of multiple different tools, increasing the burden of tool carrying and cost. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a multifunctional electric hand drill, which can make the saw frame reciprocate through the detachable protection box, realize sawing function, increase the accuracy of drilling positioning through the sliding inner cylinder, and improve the drilling quality.

[0006] The technical scheme adopted by the utility model is as follows:

[0007] A multifunctional electric hand drill, comprising a machine body, a support table is integrally fixed and installed on the top of the machine body, a protection box is detachably assembled on the top of the support table, a turntable is rotationally arranged at the center of the interior of the protection box, a connecting plate is rotationally installed on the top of the turntable, a saw frame is rotationally arranged on one side of the top of the connecting plate in an embedded manner, a sliding rail is integrally fixed and installed on one side of the protection box, the bottom end of the saw frame is slidingly arranged in the interior of the sliding rail, an outer cylinder is detachably assembled on one end of the machine body, a spring is embedded in the interior of the outer cylinder, an inner cylinder is fixedly connected to the end of the spring, and the inner cylinder is slidingly arranged in the interior of the outer cylinder.

[0008] A motor is fixedly installed in the interior of the machine body, a rotating shaft is fixedly installed on the output end of the motor, a bevel gear one is fixedly sleeved on the outer surface of the rotating shaft, a rotating rod is rotationally arranged on the top of the machine body and at the center of the support table in an embedded manner, a bevel gear two is fixedly sleeved on the outer surface of the bottom end of the rotating rod, the bevel gear two and the bevel gear one are meshingly connected, and the top of the rotating rod is designed in a square shape.

[0009] The hammering block is fixedly installed on one side of the saw frame, and an annular groove is formed in the top of one side of the slide rail.

[0010] The inner cylinder is integrally provided with a scale at the top, and one end of the inner cylinder is designed as a concave arc.

[0011] The support table is screw-connected with a bolt on one side, the bottom of the protection box is integrally fixedly installed with a square block, and the square block is embedded on the top of the support table.

[0012] The utility model discloses the technical effect that:

[0013] When drilling operation is carried out, the motor drives the drill chuck and drill bit to rotate through the rotating shaft, and then the material is drilled, when the material needs to be sawn, the bevel gear one is driven to rotate through the motor, and then the bevel gear two meshing with it rotates, and then the rotating rod rotates, and the saw frame is guided by the slide rail to realize the perpendicular reciprocating motion, and the sawing work of the material is realized, when the material needs to be nailed, the nail is placed in the annular groove, and the nail is preliminarily fixed through the reciprocating hammering block, the nailing efficiency is improved, the protection box is disassembled through the screwing bolt, and the suitable sleeve is sleeved on the top of the rotating rod, the bolt fastening and dismounting work can be realized, in order to improve the quality of drilling, the outer cylinder is slidably sleeved on the outer surface of the machine body, the inner cylinder is in contact with the material and supports, the perpendicularity of drilling is improved, the scale is convenient for observing the depth of drilling, and the quality of drilling is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the shaft side schematic view provided by the embodiment of the utility model;

[0015] Figure 2 It is the machine body part cross section schematic view provided by the embodiment of the utility model;

[0016] Figure 3 It is the outer cylinder and inner cylinder exploded schematic view provided by the embodiment of the utility model;

[0017] Figure 4 It is the protection box exploded schematic view provided by the embodiment of the utility model;

[0018] Figure 5 It is the embodiment provided by the utility model; Figure 4 The enlarged schematic view of A in the middle.

[0019] In the drawings, the component list represented by each sign is as follows:

[0020] 1, body; 2, support table; 3, protection box; 4, slide rail; 5, outer tube; 6, inner tube; 7, motor; 8, rotating shaft; 9, bevel gear one; 10, bevel gear two; 11, rotating rod; 12, spring; 13, bolt; 14, rotating disc; 15, connecting plate; 16, saw frame; 17, hammer block; 18, annular groove; 19, scale. DETAILED DESCRIPTION

[0021] In order to make the purpose and advantages of the utility model more clear and apparent, the utility model is specifically described below in combination with examples. It should be understood that the following text is only used to describe one or several specific embodiments of the utility model and does not strictly limit the protection scope specifically requested by the utility model.

[0022] As Figures 1-5 shown, a multifunctional electric drill comprises a body 1, the top of the body 1 is integrally fixedly installed with a support table 2, the top of the support table 2 is detachably assembled with a protection box 3, the center of the inside of the protection box 3 is rotationally provided with a rotating disc 14, the top of the rotating disc 14 is rotationally installed with a connecting plate 15, one side of the top of the connecting plate 15 is embeddedly rotationally provided with a saw frame 16, one side of the protection box 3 is integrally fixedly installed with a slide rail 4, the bottom end of the saw frame 16 is slidingly arranged in the inside of the slide rail 4, one end of the body 1 is detachably assembled with an outer tube 5, the inside of the outer tube 5 is embeddedly provided with a spring 12, the tail end of the spring 12 is fixedly connected with an inner tube 6, the inner tube 6 is slidingly arranged in the inside of the outer tube 5, the top of the inner tube 6 is integrally provided with a scale 19, one end of the inner tube 6 is designed as a concave arc.

[0023] Referring to the accompanying Figure 2 , the inside of the body 1 is fixedly installed with a motor 7, the output end of the motor 7 is fixedly installed with a rotating shaft 8, the outer surface of the rotating shaft 8 is fixedly sleeved with a bevel gear one 9, the top of the body 1 and the center of the support table 2 are embeddedly rotationally provided with a rotating rod 11, the outer surface of the bottom end of the rotating rod 11 is fixedly sleeved with a bevel gear two 10, the bevel gear two 10 and the bevel gear one 9 are meshingly connected.

[0024] According to the above structure, when drilling is performed, the motor 7 drives the rotating shaft 8 to rotate, and then drives the drill bit to rotate to drill the material. The outer cylinder 5 is slidingly installed, and the transparent inner cylinder 6 is in contact with the material surface and supports the material through the straight edge of the transparent inner cylinder 6, thereby improving the stability and perpendicularity of the drilling. At the same time, the inner cylinder 6 avoids the flying of drilling debris, which affects the safety of the workers. The inner recessed arc design at one end of the inner cylinder 6 improves the stability of drilling on the pipe profile, avoids the body 1 from slipping when encountering the pipe profile, and facilitates flexible observation of the drilling depth through the integrated scale 19 on the transparent inner cylinder 6, thereby improving the quality of drilling. When sawing the material is needed, the motor 7 drives the rotating shaft 8 to rotate, and then drives the saw frame 16 to reciprocate vertically through the connecting plate 15 and the slide rail 4, so that the saw blade installed at the top of the saw frame 16 reciprocates, and then the material is sawed.

[0025] Referring to the drawings Figure 4 and Figure 5 The top of the rotating rod 11 is square in design, one side of the saw frame 16 is fixedly installed with a hammer block 17, the top of one side of the slide rail 4 is provided with an annular groove 18, one side of the support table 2 is screwed with a bolt 13, and the bottom of the protection box 3 is integrally fixedly installed with a square block, which is embedded on the top of the support table 2.

[0026] According to the above structure, the square design at the top of the rotating rod 11, by screwing the bolt 13, the end of the bolt 13 no longer presses the square block at the bottom of the protection box 3, the protection box 3 is disassembled, the sleeve is sleeved on the top of the rotating rod 11, the screw head is fastened, the utility of the electric drill is improved, when the material needs to be nailed, the nail is placed in the annular groove 18, and the reciprocating hammer block 17 impacts the nail, the annular groove 18 supports the sliding, and the nail is preliminarily fixed, thereby improving the nailing efficiency and quality.

[0027] The utility model discloses a working principle is: when carrying out drilling operation, through motor 7 drive pivot 8 rotation, and then drive drill bit rotation and carry out drilling to material, through the sliding installation's outer tube 5, and transparent inner tube 6, transparent inner tube 6 straight edge and support to material surface contact and improve the stability of drilling and the perpendicularity of drilling, at the same time through the inner tube 6 avoids the debris of drilling to fly, influences the safety of staff, through the inner recessed arc design of inner tube 6 one end, improves the stability of drilling to pipe profile, avoids the body 1 in the case of pipe profile easy to slip, through the integrated scale 19 on transparent inner tube 6 is convenient for flexible observation drilling depth, improves the quality of drilling, when needing to saw cutting work to material, through motor 7 drive pivot 8, makes bevel gear one 9 and the bevel gear two 10 meshing rotation, and then drive carousel 14 rotation, through connecting plate 15 and slide rail 4, saw frame 16 is guided and reciprocating motion perpendicularly to slide rail 4, makes saw blade of saw frame 16 top installation reciprocating motion, and then saws to material, at the same time can through reciprocating saw frame 16, can preliminary nailing to the nail placed in annular groove 18 inside, reduces the difficulty of nailing, square design on the top of rotating lever 11, through the screw bolt 13 of screwing, makes the one end of screw bolt 13 no longer extrude the square block on the bottom of protection box 3, will disassemble protection box 3, sleeve sleeve sets in the top of rotating lever 11, can fasten the screw head, improve the practicability of electric drill, improve the convenience, reduce the cost.

[0028] The above only is the preferred implementation of the utility model of mode, should point out, for the ordinary skill in the art of the prior art, under the premise of not departing from the principle of the utility model, can also make a number of improvements and refinements, these improvements and refinements also should be regarded as the protection scope of the utility model. The structure, device and operation method not specifically described and explained in the utility model, are carried out according to the conventional means in the field, without special description and limitation.

Claims

1. A multifunctional electric drill comprising a body (1), characterized in that: The top of the body (1) is integrally fixedly installed with a support table (2), the top of the support table (2) is detachably assembled with a protection box (3), the inside of the protection box (3) is rotatably provided with a rotating disc (14) at the center, the top of the rotating disc (14) is rotatably installed with a connecting plate (15), the top of the connecting plate (15) is rotatably embedded with a saw frame (16) on one side, one side of the protection box (3) is integrally fixedly installed with a sliding rail (4), the bottom end of the saw frame (16) is slidably arranged in the inside of the sliding rail (4), one end of the body (1) is detachably assembled with an outer cylinder (5), the inside of the outer cylinder (5) is embedded with a spring (12), the end of the spring (12) is fixedly connected with an inner cylinder (6), the inner cylinder (6) is slidably arranged in the inside of the outer cylinder (5).

2. The multifunctional hand drill according to claim 1, characterized in that: The inside of the body (1) is fixedly installed with a motor (7), the output end of the motor (7) is fixedly installed with a rotating shaft (8), the outer surface of the rotating shaft (8) is fixedly sleeved with a bevel gear one (9), the top of the body (1) and located at the center of the support table (2) is rotatably embedded with a rotating rod (11), the outer surface of the bottom end of the rotating rod (11) is fixedly sleeved with a bevel gear two (10), the bevel gear two (10) and the bevel gear one (9) are engagedly connected, the top of the rotating rod (11) is square designed.

3. The multifunctional hand drill according to claim 1, characterized in that: One side of the saw frame (16) is fixedly installed with a hammering block (17), the top of one side of the sliding rail (4) is provided with an annular groove (18).

4. The multifunctional hand drill according to claim 1, characterized in that: The top of the inner cylinder (6) is integrally provided with a scale (19), one end of the inner cylinder (6) is concave arc designed.

5. The multifunctional hand drill according to claim 1, characterized in that: One side of the support table (2) is screwed with a bolt (13), the bottom of the protection box (3) is integrally fixedly installed with a square block, the square block is embedded in the top of the support table (2).

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