Electric drill with depth control function

By designing an electric drill with depth control function, using structures such as outer collar, slide rod and control components, the problem of difficult depth control caused by instability of the electric drill when held is solved, and precise drilling depth control is achieved, improving the convenience and safety of use.

CN222985767UActive Publication Date: 2025-06-17ZHEJIANG DAMA TOOLS CO LTD
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Patent Information

Application Number
CN202421971013.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-15
Publication Date
2025-06-17
Estimated Expiration
2034-08-15

AI Technical Summary

Technical Problem

The existing electric drills are not stable enough when handheld, which makes it difficult to control the drilling depth, often requires multiple drilling and pose a risk of too deep, making it inconvenient to use.

Method used

An electric drill with depth control function was designed, and precise control of the drilling depth was achieved through structures such as outer collar, slide rod, connecting spring and control components. The specific steps include installing an outer cuff, contacting the drilling plane through the contact piece, determining the depth, sliding the control lever and control frame along the edge plate, fixing its position through the structural block, ensuring that the drill bit reaches the required depth, the control frame comes into contact with the bottom plate, and pressing to limit the feed of the drill bit.

Benefits of technology

Reasonable control of drilling depth is achieved, the trouble of multiple drilling and over-drilling is avoided, and the convenience and safety of use is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an electric drill with a depth control function, which belongs to the technical field of electric tools and is characterized by comprising an electric drill structure, an outer hoop is movably connected to the outer side of the electric drill structure, a side plate is bolted to the front side of the front outer hoop, a sliding rod is slidably connected to the inner side of the side plate, and a bottom plate is bolted to the right side of the sliding rod. The left side of the bottom plate is in bolted connection with a connecting spring, the bottom plate connected with the sliding rod through the connecting spring makes contact with a drilling plane through a contact piece, then the drilling depth is determined, the control rod and the control frame connected with the control rod slide along the side plate, the position of the control rod and the control frame is fixed through a structural block, and the distance between the control frame and the end of a drill bit is the needed depth. And after the required drilling depth is reached, the control frame is in contact with the bottom plate and abuts against the bottom plate to limit the side plate connected with the control frame, the outer hoop and the electric drill structure connected with the outer hoop, so that a drill bit of the electric drill structure cannot be continuously fed.
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Description

Technical Field

[0001] The utility model relates to the technical field of power tools, in particular to an electric drill with a depth control function. Background Art

[0002] An electric drill is a drilling tool powered by electricity. It is a conventional product in power tools and also the power tool product with the largest demand. The working principle of an electric drill is that the motor rotor of an electromagnetic rotary or electromagnetic reciprocating small-capacity motor performs magnetic field cutting work and rotation, drives the working device through a transmission mechanism, drives a gear to increase the power of the drill bit, so that the drill bit scrapes the surface of an object and better penetrates the object.

[0003] In most usage scenarios, the existing electric drills are used for hole-opening operations. However, limited by the instability of the electric drill when held by hand, it is difficult to control the drilling depth. Therefore, it is often necessary to perform multiple drilling actions on a single hole, and there is a risk of drilling too deep, making it inconvenient to use. Content of the Utility Model

[0004] The utility model provides an electric drill with a depth control function, aiming to solve the problem that in most usage scenarios, the existing electric drills are used for hole-opening operations. However, limited by the instability of the electric drill when held by hand, it is difficult to control the drilling depth. Therefore, it is often necessary to perform multiple drilling actions on a single hole, and there is a risk of drilling too deep, making it inconvenient to use.

[0005] The utility model is implemented as follows. An electric drill with a depth control function includes an electric drill structure. An outer hoop is movably connected to the outside of the electric drill structure. A side plate is bolted to the front side of the front outer hoop. A sliding rod is slidably connected to the inside of the side plate. A bottom plate is bolted to the right side of the sliding rod. A connecting spring is bolted to the left side of the bottom plate, and the left side of the connecting spring is bolted to the side plate. A control component is arranged on the outside of the side plate. A contact piece is movably connected to the right side of the bottom plate, and the front side on the left side of the contact piece is rotatably connected to the bottom plate.

[0006] A structural block is bolted to the outside of the control component, and a control rod is slidably connected to the inside of the structural block. A control frame is bolted to the right side of the control rod.

[0007] In order to achieve the effect of avoiding blocking the structure, as a preferred embodiment of the electric drill with a depth control function of the utility model, a hollow groove and a through groove are formed inside the control frame, and the through groove is arranged outside the connecting spring and the sliding rod.

[0008] In order to facilitate the limitation of the slide bar and the control rod and avoid loosening between structures, as an optimization of the electric drill with a depth control function of the present utility model, limit blocks are bolted to the left sides of the slide bar and the control rod, and the right sides of the limit blocks are used in cooperation with the side plates.

[0009] In order to facilitate the opening and closing of the two outer hoops, as an optimization of the electric drill with a depth control function of the present utility model, a hinge is bolted to the bottom of the left outer hoop, and the top of the hinge is rotatably connected to the right outer hoop.

[0010] In order to facilitate the fixing of the relative positions between the outer hoops, as an optimization of the electric drill with a depth control function of the present utility model, a buckle is bolted to the top of the right outer hoop, and the left side of the buckle is snap-connected to the left outer hoop.

[0011] In order to facilitate the fixing of the position of the control rod relative to the structural block, as an optimization of the electric drill with a depth control function of the present utility model, a fastening screw is threadedly connected to the inside of the structural block, and the rear side of the fastening screw is in close contact with the control rod.

[0012] In order to facilitate the connection of the contact piece to the bottom plate so as to facilitate the angle adjustment of the structure during drilling, as an optimization of the electric drill with a depth control function of the present utility model, a rotating shaft is bolted to the front side of the left side of the contact piece, the left side of the rotating shaft is bolted to the bottom plate, a connecting shaft is bolted to the rear side of the left side of the contact piece, an adjusting screw is rotatably connected to the inside of the connecting shaft, and the outside of the adjusting screw is movably connected to the bottom plate.

[0013] In order to facilitate the more reasonable transmission of the structure, as an optimization of the electric drill with a depth control function of the present utility model, a slider is slidably connected to the inside of the bottom plate, a screw sleeve is rotatably connected to the inside of the slider, and the inside of the screw sleeve is threadedly connected to the adjusting screw.

[0014] Compared with the prior art, the beneficial effects of the present utility model are:

[0015] When in use, the electric drill with a depth control function can install the structure on the outside of the electric drill structure through an outer hoop. At the same time, the bottom plate connected by a connecting spring and a sliding rod contacts the drilling plane through a contact piece. After determining the drilling depth, the control rod and the connected control frame are slid along the side plate and fixed in position by a structural block, so that the distance between the control frame and the end of the drill bit is the required depth. Then, the drilling operation can be carried out. After reaching the required drilling depth, the control frame will contact and press against the bottom plate to limit the side plate, the outer hoop and the electric drill structure connected to the outer hoop, so that the drill bit of the electric drill structure cannot continue to feed, achieving the effect of reasonably controlling the drilling depth, avoiding the trouble of multiple drillings and the possibility of over-drilling. Description of the Drawings

[0016] Figure 1 It is the overall structure diagram of the electric drill with a depth control function of the present utility model;

[0017] Figure 2 It is the structural schematic diagram of the control component of the present utility model;

[0018] Figure 3 It is the structural schematic diagram of the adjusting screw of the present utility model;

[0019] Figure 4 It is the front view of the main body structure of the present utility model;

[0020] Figure 5 It is the top view of the main body structure of the present utility model.

[0021] In the figure, 1, electric drill structure; 2, outer hoop; 3, sliding rod; 4, bottom plate; 5, connecting spring; 6, side plate; 7, control component; 701, structural block; 702, control rod; 703, control frame; 8, contact piece; 9, limit block; 10, hinge; 11, buckle; 12, fastening screw; 13, rotating shaft; 14, connecting shaft; 15, slider; 16, screw sleeve; 17, adjusting screw. Detailed Description of the Preferred Embodiments

[0022] In order to make the objectives, technical solutions and advantages of the present utility model more clear and understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0023] In the description of the present utility model, it should be understood that the orientation or positional relationships indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings. These are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, in the description of the present utility model, the meaning of "a plurality" is two or more, unless otherwise specifically defined.

[0024] Please refer to Figures 1-5 , the present utility model provides a technical solution: an electric drill with a depth control function, including a drill structure 1. An outer hoop 2 is movably connected to the outside of the drill structure 1. A side plate 6 is bolted to the front side of the front outer hoop 2. A sliding rod 3 is slidably connected to the inner side of the side plate 6. A bottom plate 4 is bolted to the right side of the sliding rod 3. A connecting spring 5 is bolted to the left side of the bottom plate 4. The left side of the connecting spring 5 is bolted to the side plate 6. A control assembly 7 is arranged on the outside of the side plate 6. A contact piece 8 is movably connected to the right side of the bottom plate 4. The front side on the left side of the contact piece 8 is rotatably connected to the bottom plate 4;

[0025] A structural block 701 is bolted to the outside of the control assembly 7. A control rod 702 is slidably connected to the inside of the structural block 701. A control frame 703 is bolted to the right side of the control rod 702.

[0026] In this embodiment: When in use, the structure can be installed on the outside of the drill structure 1 through the outer hoop 2. At the same time, the bottom plate 4 connected by the connecting spring 5 and the sliding rod 3 contacts the drilling plane through the contact piece 8. After determining the drilling depth, the control rod 702 and the connected control frame 703 are slid along the side plate 6 and fixed in position through the structural block 701, so that the distance between the control frame 703 and the end of the drill bit is the required depth. Then the drilling operation can be carried out. After reaching the required drilling depth, the control frame 703 will contact and press against the bottom plate 4 to limit the side plate 6, the outer hoop 2 and the drill structure 1 connected to the outer hoop 2, so that the drill bit of the drill structure 1 cannot continue to feed, achieving the effect of reasonably controlling the drilling depth, avoiding the trouble of multiple drillings and the possibility of excessive drilling.

[0027] As a technical optimization scheme of the present utility model, a hollow groove and a through groove are provided inside the control frame 703. The through groove is arranged on the outside of the connecting spring 5 and the sliding rod 3.

[0028] In this embodiment: By providing the hollow groove, the weight of the control frame 703 can be reduced. The provided through groove can facilitate the sliding rod 3 and the connecting spring 5 to pass through, making the structure more reasonable and avoiding collisions or blockages between structures.

[0029] As a technical optimization solution of the present utility model, limit blocks 9 are bolted to the left sides of the sliding rod 3 and the control rod 702, and the right sides of the limit blocks 9 are used in cooperation with the side plates 6.

[0030] In this embodiment: By providing the limit blocks 9, it is convenient to limit the sliding positions of the sliding rod 3 and the control rod 702, and prevent the structure from falling off and resulting in abnormal use.

[0031] As a technical optimization solution of the present utility model, a hinge 10 is bolted to the bottom of the left outer hoop 2, and the top of the hinge 10 is rotatably connected to the right outer hoop 2.

[0032] In this embodiment: By providing the hinge 10, it is convenient to connect the outer hoops 2 and enable them to open or close relative to each other.

[0033] As a technical optimization solution of the present utility model, a buckle 11 is bolted to the top of the right outer hoop 2, and the left side of the buckle 11 is snap-connected to the left outer hoop 2.

[0034] In this embodiment: By providing the buckle 11, it is convenient to fix the outer hoops 2 when they are closed and prevent the structures from loosening.

[0035] As a technical optimization solution of the present utility model, a fastening screw 12 is threadedly connected to the inside of the structural block 701, and the rear side of the fastening screw 12 is in close contact with the control rod 702.

[0036] In this embodiment: By providing the fastening screw 12, it is convenient to fasten the control rod 702 inside the structural block 701, prevent it from displacing, etc., so as to achieve the effect of fixing the structural position.

[0037] As a technical optimization solution of the present utility model, a rotating shaft 13 is bolted to the front side of the left side of the contact piece 8, the left side of the rotating shaft 13 is bolted to the bottom plate 4, a connecting shaft 14 is bolted to the rear side of the left side of the contact piece 8, an adjusting screw 17 is rotatably connected to the inside of the connecting shaft 14, and the outside of the adjusting screw 17 is movably connected to the bottom plate 4.

[0038] In this embodiment: By providing the rotating shaft 13, it is convenient to connect the contact piece 8 and the bottom plate 4 and enable them to rotate relative to each other.

[0039] As a technical optimization solution of the present utility model, a slider 15 is slidably connected to the inside of the bottom plate 4, a screw sleeve 16 is rotatably connected to the inside of the slider 15, and the inside of the screw sleeve 16 is threadedly connected to the adjusting screw 17.

[0040] In this embodiment: By arranging the slider 15 to cooperate with the screw sleeve 16, when the adjusting screw rod 17 is rotated, the screw sleeve 16 connected thereto can be rotated, and at the same time, the slider 15 slides along the bottom plate 4, so that the bottom plate 4 is pried up from the connecting shaft 14 along the contact piece 8 to rotate, achieving the effect of adjusting the angle of the bottom plate 4, and facilitating the adjustment of the drilling angle of the electric drill structure 1.

[0041] Working principle: First, when in use, open the outer hoop 2 along the hinge 10 and clamp it on the outside of the electric drill structure 1, then fix it through the buckle 11, and make the bottom plate 4 contact the drilling plane through the contact piece 8. After determining the drilling depth, slide the control rod 702 and the connected control frame 703 along the side plate 6 and fix their positions by tightening the fastening screw 12 of the structural block 701, so that the distance between the control frame 703 and the end of the drill bit is the required depth, and then perform the drilling operation. After reaching the required drilling depth, the control frame 703 will contact the bottom plate 4 and resist the feed of the electric drill structure 1. At this time, the required drilling depth is reached. When the drilling angle needs to be adjusted, the adjusting screw rod 17 can be rotated along the rotating shaft 13. At this time, the screw sleeve 16 rotates, and at the same time, the slider 15 slides along the bottom plate 4 to achieve the effect of adjusting the angle of the bottom plate 4.

[0042] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An electric drill with a depth control function, comprising an electric drill structure (1), characterized in that: The outer side of the electric drill structure (1) is movably connected to an outer hoop (2), the front side of the front outer hoop (2) is bolted to a side plate (6), the inner side of the side plate (6) is slidably connected to a slide bar (3), the right side of the slide bar (3) is bolted to a bottom plate (4), the left side of the bottom plate (4) is bolted to a connecting spring (5), the left side of the connecting spring (5) is bolted to the side plate (6), a control component (7) is arranged on the outer side of the side plate (6), the right side of the bottom plate (4) is movably connected to a contact piece (8), and the front side of the left side of the contact piece (8) is rotatably connected to the bottom plate (4); A structural block (701) is bolted to the outside of the control assembly (7), a control rod (702) is slidably connected to the inside of the structural block (701), and a control frame (703) is bolted to the right side of the control rod (702).

2. The electric drill with depth control function according to claim 1, characterized in that: The inner side of the control frame (703) is provided with a hollow groove and a through groove, and the through groove is arranged on the outer side of the connecting spring (5) and the sliding rod (3).

3. The electric drill with depth control function according to claim 1, characterized in that: The left sides of the sliding rod (3) and the control rod (702) are both bolted to a limit block (9), and the right side of the limit block (9) is used in conjunction with the side plate (6).

4. The electric drill with depth control function according to claim 1, characterized in that: A hinge (10) is bolted to the bottom of the left outer hoop (2), and the top of the hinge (10) is rotatably connected to the right outer hoop (2).

5. The electric drill with depth control function according to claim 1, characterized in that: A buckle (11) is bolted to the top of the right outer hoop (2), and the left side of the buckle (11) is buckled with the left outer hoop (2).

6. The electric drill with depth control function according to claim 1, characterized in that: The inner side of the structural block (701) is threadedly connected with a tightening screw (12), and the rear side of the tightening screw (12) is in close contact with the control rod (702).

7. The electric drill with depth control function according to claim 1, characterized in that: A rotating shaft (13) is bolted to the front side of the left side of the contact piece (8), and the left side of the rotating shaft (13) is bolted to the bottom plate (4). A connecting shaft (14) is bolted to the rear side of the left side of the contact piece (8), and an adjusting screw (17) is rotatably connected to the inner side of the connecting shaft (14), and the outer side of the adjusting screw (17) is movably connected to the bottom plate (4).

8. The electric drill with depth control function according to claim 7, characterized in that: The inner side of the bottom plate (4) is slidably connected to a slider (15), the inner side of the slider (15) is rotatably connected to a screw sleeve (16), and the inner side of the screw sleeve (16) is threadedly connected to an adjusting screw rod (17).