Noise reduction electric hand drill

Abstract

The utility model discloses a noise reduction electric hand drill, which belongs to the technical field of electric hand drills and comprises a first fixing frame in the punching process, an electric hand drill main body is fixedly mounted on the inner side of the first fixing frame, a drill bit is fixedly mounted at the output end of the electric hand drill main body, and a second fixing frame is fixedly mounted at the top of the first fixing frame. During drilling, a pulling block can be pulled to drive a noise reduction baffle to slide into the inner side of a storage groove, a worker can check a drill bit and the position to be drilled, a sliding noise reduction box and a connecting slag guide plate abut against a plate or a wall face, an electric hand drill body is controlled to drive the drill bit to be started for drilling, and the sliding noise reduction box can slide on the inner side of a second fixing frame in the drilling process; and the connecting slag guide plate can enable a limiting sliding block to slide through cooperation of a second spring and a sliding rod, the connecting slag guide plate and the sliding noise reduction box can abut against the wall all the time, and therefore the noise reduction effect of the device is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to hand electric drill technical field, concretely relates to a kind of noise reduction hand electric drill. BACKGROUND

[0002] Hand electric drill is the drilling tool powered by alternating current or battery, is a kind of hand-held power tool, hand electric drill is the product with the largest sales in power tool industry, widely used in construction, decoration, furniture and other industries, for opening hole on object or hole-punching object, some industries also be called electric hammer, the main components of hand electric drill: drill chuck, output shaft, gear, rotor, stator, casing and switch;

[0003] The utility model discloses a kind of noise reduction hand electric drill, including electric drill main body, electric drill main body one side is fixed with drill bit, the outer wall of drill bit is equipped with sleeve, the bottom of sleeve is fixedly provided with rotating rod, the bottom of rotating rod is equipped with pressing block, the bottom of pressing block is equipped with air bag, the side of air bag is fixedly connected with multiple spray heads, air bag is fixedly arranged in the inside of recess, recess is opened in the inner wall of soundproof cover, soundproof cover is fixedly sleeved on the outer wall of electric drill main body;

[0004] In prior art, the existing device can be soundproof by the protective cover outside, but the protective cover will block the view of personnel, it is difficult to position the drilling position, and the debris generated after drilling needs to be cleaned by the worker later, so that the work efficiency is low, so that the present device provides a kind of noise reduction hand electric drill. UTILITY MODEL CONTENTS

[0005] The utility model aims at the deficiencies of prior art, provide a kind of noise reduction hand electric drill to solve the technical problems mentioned above.

[0006] The utility model embodiment adopts the following technical scheme: a kind of noise reduction hand electric drill, including first fixed frame, the inside of first fixed frame is fixedly installed with hand electric drill main body, the output end of hand electric drill main body is fixedly installed with drill bit, the top of first fixed frame is fixedly installed with second fixed frame, the inside of second fixed frame is slidably installed with sliding noise reduction box;

[0007] The top of sliding noise reduction box is equipped with visual slot, the side of visual slot is equipped with storage groove;

[0008] The inside of first fixed frame is rotatably installed with rotating shaft, the outside of rotating shaft is fixedly installed with connecting slag guide plate, the side of connecting slag guide plate is fixedly installed with two wear-resistant curtains, one end of wear-resistant curtain is fixedly installed in the side of first fixed frame;

[0009] The side inner wall of the accommodating groove is fixedly provided with a plurality of first springs, one end of the first spring is fixedly provided with a noise reduction baffle outside, and the top of the noise reduction baffle is fixedly provided with a pulling block.

[0010] As a further improvement of the above-mentioned scheme, the left side of the first fixed frame is slidably provided with a sliding block, one side of the sliding block is fixedly provided with a waste collection box, and one side of the waste collection box is fixedly provided with a pulling handle.

[0011] As a further improvement of the above-mentioned scheme, the inner side of the waste collection box is threadedly provided with a fixing bolt, the fixing bolt is threadedly arranged in the inner side of the first fixed frame, and one end of the fixing bolt is fixedly provided with a knob outside.

[0012] As a further improvement of the above-mentioned scheme, the front and rear sides of the first fixed frame are rotatably provided with mounting shafts, and the outer sides of the mounting shafts are fixedly provided with fixing cylinders.

[0013] As a further improvement of the above-mentioned scheme, one side inner wall of the fixing cylinder is fixedly provided with a second spring, one end of the second spring is fixedly provided with a limiting sliding block outside, one side of the limiting sliding block is fixedly provided with a sliding rod, one end of the sliding rod is fixedly provided with a connecting block outside, and the connecting block is rotatably arranged on one side of the connecting guide plate.

[0014] As a further improvement of the above-mentioned scheme, one side of the fixing cylinder is provided with a sliding groove, the sliding rod is matched with the sliding groove, and the outer diameter of the limiting sliding block is greater than the inner diameter of the sliding groove.

[0015] The above-mentioned at least one technical scheme adopted by the embodiment of the utility model can achieve the following beneficial effects:

[0016] I. In the punching process, the pulling block can be pulled to drive the noise reduction baffle to slide into the inner side of the accommodating groove, the staff can check the position of the drill bit and the position to be punched, the sliding noise reduction box and the connecting guide plate are abutted with the plate or the wall surface, the electric drill main body drives the drill bit to start drilling, the sliding noise reduction box can slide in the inner side of the second fixed frame during drilling, the connecting guide plate can slide through the cooperation of the second spring and the sliding rod, the connecting guide plate and the sliding noise reduction box are always abutted with the wall surface, so that the device has good noise reduction effect.

[0017] II. The drillings generated during drilling can fall into the inner side of the waste collection box through the connecting guide plate, after drilling is completed, the knob can be rotated to drive the fixing bolt to rotate, the fixing bolt can be screwed out of the inner side of the first fixed frame, the pulling handle can be pulled to drive the waste collection box and the sliding block to slide out of the inner side of the first fixed frame, the waste in the inner side of the waste collection box can be collected and treated, and the device can prevent waste from diffusing and splashing during processing. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings, which are included to provide a further understanding of the present application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and together with the description serve to explain the present application. In the drawings:

[0019] Figure 1 is a schematic view of the three-dimensional structure of the present application;

[0020] Figure 2 is a schematic view of the three-dimensional structure of the visible slot and the storage slot in the present application;

[0021] Figure 3 is a schematic view of the partial structure of the sliding block and the waste collection box in the present application.

[0022] Figure 4 is a schematic view of the cross-sectional partial three-dimensional structure of the fixed cylinder in the present application;

[0023] Figure 5 is Figure 4 is an enlarged view of A in the middle.

[0024] Reference signs

[0025] 1, first fixed frame; 2, electric drill main body; 3, drill bit; 4, second fixed frame; 5, sliding noise reduction box; 6, rotating shaft; 7, connecting slag guide plate; 8, wear-resistant curtain; 9, visible slot; 10, storage slot; 11, first spring; 12, noise reduction baffle; 13, pulling block; 14, sliding block; 15, waste collection box; 16, pulling handle; 17, fixed bolt; 18, knob; 19, mounting shaft; 20, fixed cylinder; 21, second spring; 22, limit sliding block; 23, sliding rod; 24, connecting block. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme of the present application will be described clearly and completely below in combination with specific embodiments of the present application and corresponding drawings. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] The technical scheme provided by each embodiment of the present application will be described in detail below in combination with the drawings.

[0028] The utility model discloses an embodiment provides a kind of noise reduction electric hand drill, including first fixed frame 1, the inner side of first fixed frame 1 is fixedly installed with electric hand drill main body 2, the output end of electric hand drill main body 2 is fixedly installed with drill bit 3, the top of first fixed frame 1 is fixedly installed with second fixed frame 4, the inner side of second fixed frame 4 is slidably installed with sliding noise reduction box 5;

[0029] The top of sliding noise reduction box 5 is provided with visual slot 9, visual slot 9 is provided with storage groove 10 on one side;

[0030] The inner side of first fixed frame 1 is rotatably installed with rotating shaft 6, the outer side of rotating shaft 6 is fixedly installed with connecting slag guide plate 7, one side of connecting slag guide plate 7 is fixedly installed with two wear-resistant curtains 8, one end of wear-resistant curtain 8 is fixedly installed on one side of first fixed frame 1;

[0031] The inner wall of one side of storage groove 10 is fixedly installed with a plurality of first springs 11, the outer side of one end of first spring 11 is fixedly installed with noise reduction baffle 12, the top of noise reduction baffle 12 is fixedly installed with pulling block 13.

[0032] Further, in the process of punching, pulling block 13 can be pulled to drive noise reduction baffle 12 to slide into the inner side of storage groove 10, the staff can check the position of drill bit 3 and the position to be punched, sliding noise reduction box 5 and connecting slag guide plate 7 are abutted with the plate or wall surface, and electric hand drill main body 2 drives drill bit 3 to start drilling.

[0033] In the embodiment, the left side of first fixed frame 1 is slidably provided with sliding block 14, one side of sliding block 14 is fixedly installed with waste collection box 15, one side of waste collection box 15 is fixedly installed with pulling handle 16.

[0034] Further, pulling handle 16 can be pulled to drive waste collection box 15 and sliding block 14 to slide out from the inner side of first fixed frame 1, so that the waste in the inner side of waste collection box 15 can be collected and treated, and the device can prevent waste from splashing during processing.

[0035] In the embodiment, the inner side of waste collection box 15 is threadedly installed with fixing bolt 17, fixing bolt 17 is threadedly installed in the inner side of first fixed frame 1, the outer side of one end of fixing bolt 17 is fixedly installed with knob 18.

[0036] Further, the drillings can fall into the inner side of waste collection box 15 through connecting slag guide plate 7, and after drilling is completed, knob 18 can be rotated to drive fixing bolt 17 to rotate, and fixing bolt 17 can be rotated out from the inner side of first fixed frame 1.

[0037] In the embodiment, the front and rear sides of first fixed frame 1 are rotatably installed with mounting shaft 19, the outer side of mounting shaft 19 is fixedly installed with fixed cylinder 20.

[0038] Further, the fixed cylinder 20 can guide and limit the position of the limiting sliding block 22, so that the limiting sliding block 22 slides stably.

[0039] In this embodiment, the second spring 21 is fixedly installed on the inner wall of one side of the fixed cylinder 20, one end of the second spring 21 is fixedly installed on the outer side of the limiting sliding block 22, the limiting sliding block 22 is fixedly installed on one side of the sliding rod 23, the outer side of one end of the sliding rod 23 is fixedly installed on the connecting block 24, and the connecting block 24 is rotatably installed on one side of the connecting slag guide plate 7.

[0040] Further, the sliding noise reduction box 5 can slide in the inner side of the second fixed frame 4 during the drilling process, and the connecting slag guide plate 7 can slide through the cooperation of the second spring 21 and the sliding rod 23 to make the limiting sliding block 22 slide, so that the connecting slag guide plate 7 and the sliding noise reduction box 5 are always in abutment with the wall surface, thereby making the noise reduction effect of the device better.

[0041] In this embodiment, the fixed cylinder 20 is provided with a sliding groove on one side, the sliding rod 23 is matched with the sliding groove, and the outer diameter of the limiting sliding block 22 is greater than the inner diameter of the sliding groove.

[0042] Further, the sliding groove facilitates the movement of the sliding rod 23, and the limiting sliding block 22 can prevent the sliding rod 23 from sliding out of the inner side of the fixed cylinder 20.

[0043] Specific operation is that, during the drilling process, the noise reduction baffle 12 can be pulled into the inner side of the storage groove 10 by pulling the pulling block 13, the worker can check the position of the drill bit 3 and the position to be drilled, the sliding noise reduction box 5 and the connecting slag guide plate 7 are in abutment with the plate or the wall surface, the drill bit 3 is started to drill by driving the electric drill main body 2, the sliding noise reduction box 5 can slide in the inner side of the second fixed frame 4 during the drilling process, and the connecting slag guide plate 7 can slide through the cooperation of the second spring 21 and the sliding rod 23 to make the limiting sliding block 22 slide, so that the connecting slag guide plate 7 and the sliding noise reduction box 5 are always in abutment with the wall surface, thereby making the noise reduction effect of the device better, and the waste generated by drilling can fall into the inner side of the waste collection box 15 through the connecting slag guide plate 7, after the drilling is completed, the fixed bolt 17 can be rotated by rotating the knob 18, the fixed bolt 17 can be rotated out of the inner side of the first fixed frame 1, the waste collection box 15 and the sliding block 14 can be pulled out of the inner side of the first fixed frame 1 by pulling the pulling handle 16, the waste in the inner side of the waste collection box 15 can be collected and treated, and the waste in the processing process of the device can not be diffused and splashed.

[0044] The above is only an embodiment of the present application and is not used to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims

1. A noise reducing hand drill, characterized by: Comprise; The inner side of the first fixed frame (1) is fixedly installed with a hand drill main body (2), the output end of the hand drill main body (2) is fixedly installed with a drill bit (3), the top of the first fixed frame (1) is fixedly installed with a second fixed frame (4), and the inner side of the second fixed frame (4) is slidably installed with a sliding noise reduction box (5); The top of the sliding noise reduction box (5) is provided with a visual slot (9), and the visual slot (9) is provided with a storage slot (10) on one side; The inner side of the first fixed frame (1) is rotatably installed with a rotating shaft (6), the outer side of the rotating shaft (6) is fixedly installed with a connecting slag guide plate (7), one side of the connecting slag guide plate (7) is fixedly installed with two wear-resistant curtains (8), and one end of the wear-resistant curtain (8) is fixedly installed on one side of the first fixed frame (1); A plurality of first springs (11) are fixedly installed on the inner wall of one side of the storage slot (10), one end of the first spring (11) is fixedly installed with a noise reduction baffle (12), and the top of the noise reduction baffle (12) is fixedly installed with a pulling block (13).

2. A noise reducing hand drill as claimed in claim 1, characterized in that: The left side of the first fixed frame (1) is slidably provided with a sliding block (14), one side of the sliding block (14) is fixedly installed with a waste collection box (15), and one side of the waste collection box (15) is fixedly installed with a pulling handle (16).

3. A noise reducing hand drill as claimed in claim 2, characterized in that: The inner side of the waste collection box (15) is threadedly installed with a fixing bolt (17), the fixing bolt (17) is threadedly installed on the inner side of the first fixed frame (1), and one end of the fixing bolt (17) is fixedly installed with a knob (18) on the outer side.

4. A reduced noise hand drill as defined in claim 1, wherein: The front and rear sides of the first fixed frame (1) are rotatably installed with a mounting shaft (19), and the outer side of the mounting shaft (19) is fixedly installed with a fixed cylinder (20).

5. A noise reducing hand drill as claimed in claim 4, characterized in that: The inner wall of one side of the fixed cylinder (20) is fixedly installed with a second spring (21), one end of the second spring (21) is fixedly installed with a limiting sliding block (22) on the outer side, one side of the limiting sliding block (22) is fixedly installed with a sliding rod (23), one end of the sliding rod (23) is fixedly installed with a connecting block (24) on the outer side, and the connecting block (24) is rotatably installed on one side of the connecting slag guide plate (7).

6. A noise reducing hand drill as claimed in claim 5, characterized in that: One side of the fixed cylinder (20) is provided with a sliding groove, the sliding rod (23) is matched with the sliding groove, and the outer diameter of the limiting sliding block (22) is greater than the inner diameter of the sliding groove.

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