Electric drill with auxiliary supporting structure

By designing support depth adjustment components and protective components on the electric drill, the problems of inaccurate drilling depth and dust were solved, achieving precise drilling and operator protection.

CN223876131UActive Publication Date: 2026-02-06力玛智能科技(江苏)有限公司
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Patent Information

Application Number
CN202520052020.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2026-02-06
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

Existing electric drills lack effective support structures during drilling, resulting in inaccurate drilling depth and generating a large amount of dust during the drilling process, which affects the operator.

Method used

An electric drill with an auxiliary support structure was designed, including a support depth adjustment component and a protective component. The support depth adjustment component achieves precise drilling depth control through the cooperation of a screw, a knob and a scale, and the protective component prevents dust from splashing through a protective glass cover.

Benefits of technology

It enables precise control of drilling depth, improves drilling accuracy, and effectively protects operators from dust.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223876131U_ABST
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Abstract

The utility model relates to the technical field of electric drills, and discloses an electric drill with an auxiliary supporting structure, which comprises an electric drill main body, a handle is fixedly mounted at the bottom of the electric drill main body, a connecting cavity is fixedly mounted on one side of the electric drill main body, and a drill bit is rotatably connected to the other side of the connecting cavity. Accurate punching depth can be achieved by arranging the supporting depth adjusting assembly, a rotary knob is rotated to drive a second screw rod to rotate, a limiting block moves under the action of a threaded hole, accurate position adjustment is achieved through cooperation of a pointer and a graduated scale, and during drilling, anti-skid can be achieved through an anti-skid bottom block, so that the drilling accuracy is improved. Furthermore, a spring is driven by a nail rod to be compressed, a convex moving block is further driven to slide in a sliding groove, when the convex moving block makes contact with a limiting block, the drilling depth can be obtained, the situation that a drilled hole is too deep or too shallow due to manual operation errors is avoided, and therefore the supporting depth adjusting effect is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electric drill technical field, concretely is electric drill with auxiliary support structure. BACKGROUND

[0002] The rapid development of electronic technology and material science has brought tremendous changes to electric drills. New motor materials and manufacturing processes make electric drills more powerful, smaller in size, and lighter in weight. At the same time, the progress of battery technology has given rise to the emergence of wireless charging electric drills. This type of electric drill is free from the constraints of power cords, greatly improving the flexibility of electric drills, making it easy to use in places without power outlets, such as high places on construction sites, outdoor facility maintenance, and other scenarios. In addition, the functionality of electric drills is constantly expanding. In addition to traditional drilling functions, they also offer features such as impact function and speed adjustment. Modern electric drills are equipped with various advanced accessories, such as drill bits of different shapes and sizes, twist drills, and hole expanders, to meet a variety of complex drilling and processing needs.

[0003] In the prior art, electric drills are commonly used for drilling holes in wood during interior decoration. For example, when installing wooden furniture, it is necessary to drill holes in parts such as table legs and chair backs using an electric drill to install screws to secure the various components. During use, the existing support structure usually does not cooperate with the depth of the drill bit, resulting in overdrilling or underdrilling, which reduces the accuracy of the drilling. Moreover, the electric drill generates a large amount of dust during drilling, which can affect the operator if not properly protected.

[0004] Therefore, an electric drill with an auxiliary support structure is proposed. SUMMARY

[0005] The utility model aims at providing an electric drill with an auxiliary support structure to solve the problems raised in the background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an electric drill with an auxiliary support structure, comprising an electric drill main body, a handle fixedly installed at the bottom of the electric drill main body, a connecting cavity fixedly installed on one side of the electric drill main body, a drill bit rotatably connected to the other side of the connecting cavity, a support depth adjustment assembly provided in the connecting cavity, and a protection assembly provided on the surface of the support depth adjustment assembly.

[0007] Preferably, the support depth adjustment assembly specifically comprises: a hollow fixing sleeve fixedly installed on the outer wall of the connecting cavity; a threaded connection hole circumferentially and equidistantly provided on the outer wall of the hollow fixing sleeve; a semicircular clamping plate respectively clamped and connected to the inner wall of the hollow fixing sleeve; a rotating block circumferentially and equidistantly provided on the outer wall of the hollow fixing sleeve; and a mounting disc fixedly installed on one side of the semicircular clamping plate.

[0008] Preferably, one side of the rotating block is fixedly provided with a screw rod one, the other end of the screw rod one is movably penetrated through the outer wall of the hollow fixing sleeve, the inner part of the threaded connection hole, the inner wall surface of the hollow fixing sleeve and extends into the inner part of the hollow fixing sleeve, and the outer wall of the screw rod one is in threaded connection with the inner wall of the threaded connection hole.

[0009] Preferably, the other side of the mounting disc is circumferentially and equidistantly fixedly provided with a groove cylinder, a limiting sleeve is fixedly arranged between the inner walls of the groove cylinder, a nail rod is slidably connected to the inner walls of the groove cylinder, an anti-skid bottom block is fixedly arranged on one side of the nail rod extending out of the groove cylinder, and a spring is fixedly arranged between the other side of the nail rod and one side of the inner wall of the groove cylinder.

[0010] Preferably, a sliding groove is arranged on one side of the groove cylinder in communication, a scale is fixedly arranged on one side of the groove cylinder, a convex shift block is arranged on one side of the groove cylinder, the convex shift block is fixedly connected to the surface of the nail rod by penetrating through the inner part of the sliding groove and extending into the inner part of the groove cylinder, and the outer wall of the convex shift block is in sliding connection with the inner wall of the sliding groove.

[0011] Preferably, a threaded hole is circumferentially and equidistantly arranged on the surface of the mounting disc, a screw rod two is in threaded connection with the inner wall of the threaded hole, a knob is fixedly arranged on one end of the screw rod two, and a limiting block is rotatably connected to the other end of the screw rod two, the surface of the limiting block is in abutment with one side of the groove cylinder, and a pointer is fixedly arranged on the bottom of the limiting block, the mounting disc and the semicircular clamping plate can be disassembled and assembled through the cooperation between the threaded connection hole, the rotating block, the screw rod one and the threaded hole, the groove cylinder, the limiting sleeve, the nail rod, the anti-skid bottom block and the spring can be disassembled for flexible use, the nail rod can be limited through the cooperation between the sliding groove, the scale, the convex shift block, the screw rod two, the knob, the limiting block and the pointer, the accuracy of the drilling depth can be improved, and the effect of supporting depth adjustment can be achieved.

[0012] Preferably, the protection assembly specifically comprises: a bottom block, which is circumferentially and equidistantly and uniformly fixedly arranged on the other side of the mounting disc; a buckle, which is circumferentially and equidistantly and uniformly rotatably connected to the other side of the mounting disc; a tension spring, which is fixedly arranged between one side of the bottom block and one side of the buckle; and a clamping groove, which is circumferentially and equidistantly arranged on the other side of the mounting disc.

[0013] Preferably, the inner wall of the clamping groove is connected with a clamping plate, the surface of the clamping plate is equidistantly and fixedly installed with a limiting rod, the outer wall of the limiting rod is clamped with the inner wall of the buckle, the outer wall of the clamping plate is fixedly installed with a connecting sleeve, and the outer wall of the connecting sleeve is fixedly sleeved with a protective glass sleeve, so that the impurities generated by drilling can be protected, the operator can be conveniently observed, the clamping plate, the connecting sleeve and the protective glass sleeve can be disassembled and installed through the cooperation of the bottom block, the buckle, the tension spring, the clamping groove and the limiting rod, and the clamping plate, the connecting sleeve and the protective glass sleeve are convenient to carry, transport and use, and finally the protection effect is achieved.

[0014] The electric drill with the auxiliary supporting structure has the following beneficial effects:

[0015] (1) The supporting depth adjusting assembly is arranged to accurately control the drilling depth, the knob drives the screw rod to rotate, the limiting block moves under the action of the threaded hole, the position is accurately adjusted through the cooperation of the pointer and the scale, the anti-skid bottom block is used to prevent skid when drilling, the spring is compressed through the nail rod, the convex displacement block slides in the sliding groove, the drilling depth is known when the convex displacement block contacts with the limiting block, the drilling depth into the object is accurately controlled, the drilling is not too deep or too shallow due to the manual operation error, the high-precision machining requirement is met, and the drilling precision is improved, so that the supporting depth adjusting effect is achieved.

[0016] (2) The protective assembly is arranged to protect the operator, the operator is protected through the protective glass sleeve, the drilling condition can be observed, the buckle is rotated and the tension spring is stretched when the protective assembly needs to be disassembled, the limiting rod is separated from the fixing of the buckle, the protective glass sleeve is taken out from the front of the electric drill main body, the clamping plate is separated from the clamping groove, the protective glass sleeve effectively blocks the splashing of the debris generated in the drilling process, the face, eyes and body of the operator are protected from being hurt, and the protection effect is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is a partial structure schematic view of the supporting depth adjusting assembly of the utility model;

[0019] Figure 3 It is a groove cylinder cross section structure schematic view of the utility model;

[0020] Figure 4 It is a partial structure schematic view of the protective assembly of the utility model.

[0021] In the figure: 1 electric drill main body, 2 handle, 3 connecting cavity, 4 drill bit, 5 support depth adjustment assembly, 511 hollow fixing sleeve, 512 threaded connection hole, 513 semicircular clamping plate, 514 rotating block, 515 screw one, 516 mounting disc, 517 groove cylinder, 518 limiting sleeve, 519 nail rod, 5111 anti-skid bottom block, 5112 spring, 5113 sliding groove, 5114 scale, 5115 convex displacement block, 5116 screw two, 5117 knob, 5118 limiting block, 5119 pointer, 6 protection assembly, 611 bottom block, 612 buckle, 613 tension spring, 614 clamping groove, 615 clamping plate, 616 limiting rod, 617 connecting sleeve, 618 protective glass sleeve. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than 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.

[0023] Examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application. Embodiment one

[0024] The preferred embodiment of the electric drill provided with an auxiliary support structure provided by the present application comprises an electric drill main body 1, a handle 2 is fixedly installed at the bottom of the electric drill main body 1, a connecting cavity 3 is fixedly installed on one side of the electric drill main body 1, a drill bit 4 is rotatably connected to the other side of the connecting cavity 3, a support depth adjustment assembly 5 is arranged on the connecting cavity 3, and a protection assembly 6 is arranged on the surface of the support depth adjustment assembly 5. Figures 1-4 As shown in the figure: an electric drill provided with an auxiliary support structure, comprising an electric drill main body 1, a handle 2 is fixedly installed at the bottom of the electric drill main body 1, a connecting cavity 3 is fixedly installed on one side of the electric drill main body 1, a drill bit 4 is rotatably connected to the other side of the connecting cavity 3, a support depth adjustment assembly 5 is arranged on the connecting cavity 3, and a protection assembly 6 is arranged on the surface of the support depth adjustment assembly 5.

[0025] The support depth adjustment assembly 5 specifically comprises: a hollow fixing sleeve 511 fixedly installed on the outer wall of the connecting cavity 3; threaded connection holes 512 circumferentially and equidistantly arranged on the outer wall of the hollow fixing sleeve 511; semicircular clamping plates 513 respectively clamped and connected to the inner wall of the hollow fixing sleeve 511; rotating blocks 514 circumferentially and equidistantly arranged on the outer wall of the hollow fixing sleeve 511; and a mounting disc 516 fixedly installed on one side of the semicircular clamping plate 513.

[0026] One side of the rotating block 514 is fixedly provided with a screw rod 515, the other end of the screw rod 515 is movably penetrated through the outer wall of the hollow fixing sleeve 511, the inner part of the threaded connection hole 512, the inner wall surface of the hollow fixing sleeve 511 and extends to the inner part of the hollow fixing sleeve 511, and the outer wall of the screw rod 515 is threadedly connected with the inner wall of the threaded connection hole 512.

[0027] The other side of the mounting disc 516 is fixedly provided with a groove cylinder 517 at equal intervals in the circumference, the inner wall of the groove cylinder 517 is fixedly provided with a limiting sleeve 518, the inner wall of the groove cylinder 517 is slidably connected with a nail rod 519, one side of the nail rod 519 extends to the outside of the groove cylinder 517, the nail rod 519 is fixedly provided with an anti-skid bottom block 5111 on the other side, and the other side of the nail rod 519 is fixedly provided with a spring 5112 between the inner wall of the groove cylinder 517.

[0028] The groove cylinder 517 is provided with a sliding groove 5113 on one side, the groove cylinder 517 is fixedly provided with a scale 5114 on one side, the groove cylinder 517 is provided with a convex shift block 5115 on one side, one side of the convex shift block 5115 penetrates through the inner part of the sliding groove 5113 and extends to the surface of the nail rod 519 which is fixedly connected with the inner part of the groove cylinder 517, and the outer wall of the convex shift block 5115 is slidably connected with the inner wall of the sliding groove 5113.

[0029] The surface of the mounting disc 516 is provided with threaded holes at equal intervals in the circumference, the inner wall of the threaded hole is threadedly connected with a screw rod 5116, one end of the screw rod 5116 is fixedly provided with a knob 5117, the other end of the screw rod 5116 is rotatably connected with a limiting block 5118, the surface of the limiting block 5118 is attached to one side of the groove cylinder 517, and the bottom of the limiting block 5118 is fixedly provided with a pointer 5119.

[0030] In the present example, the accurate drilling depth can be realized by arranging the supporting depth adjusting assembly 5, the knob 5117 drives the screw rod 5116 to rotate, the limiting block 5118 moves under the action of the threaded hole, the position is accurately adjusted by the cooperation of the pointer 5119 and the scale 5114, when drilling, the anti-skid bottom block 5111 can be used for anti-skid, the spring 5112 is further compressed by the nail rod 519, the convex shift block 5115 is further driven to slide in the sliding groove 5113, when the convex shift block 5115 contacts with the limiting block 5118, the drilling depth can be known, and the supporting depth adjusting effect is achieved. Embodiment two

[0031] On the basis of the embodiment one, the preferable embodiment of the electric drill provided with an auxiliary supporting structure is provided Figures 1-4As shown: the protection assembly 6 specifically includes: the bottom block 611, the circumference equidistant uniform fixed installation in the other side of the installation disc 516; buckle 612, the circumference equidistant uniform rotation connection in the other side of the installation disc 516; tension spring 613, fixed installation between one side of bottom block 611 and one side of buckle 612; card slot 614, the circumference equidistant opening in the other side of the installation disc 516.

[0032] The inner wall of the card slot 614 is connected with the clamping plate 615, the surface of the clamping plate 615 is equidistantly fixedly installed with the limiting rod 616, the outer wall of the limiting rod 616 is clamped with the inner wall of the buckle 612, the outer wall of the clamping plate 615 is fixedly installed with the connecting sleeve 617, and the outer wall of the connecting sleeve 617 is fixedly sleeved with the protective glass sleeve 618.

[0033] In this example, the operator can be protected by setting the protection assembly 6, and the operator can be protected by the protective glass sleeve 618, and the drilling condition can be observed. When disassembly is needed, the operator rotates the buckle 612 to stretch the tension spring 613, the buckle 612 is separated from the limiting rod 616, the operator can take out the protective glass sleeve 618 from the front of the electric drill main body 1, and the clamping plate 615 is separated from the card slot 614, so that the protection effect is achieved.

[0034] Working principle: first, when the depth of the hole is needed to be adjusted, the operator rotates the knob 5117 to drive the screw rod two 5116 to rotate, and under the action of the threaded hole, the limiting block 5118 moves, and the position is accurately adjusted by the cooperation of the pointer 5119 and the scale 5114, so that the specific distance of movement can be observed. When drilling, the surface of the anti-skid bottom block 5111 has anti-skid rubber, and the anti-skid bottom block 5111 can be anti-skid, and further the nail rod 519 drives the spring 5112 to be compressed, and further drives the convex shift block 5115 to slide in the sliding groove 5113. When the convex shift block 5115 contacts with the limiting block 5118, it can be known that the drilling depth is reached. When the installation disc 516 needs to be disassembled, the operator rotates the rotating block 514 to drive the screw rod one 515 to rotate, and under the action of the threaded connection hole 512, the screw rod one 515 is separated, so that the screw rod one 515 is separated from the inside of the hollow fixed sleeve 511, the inside of the threaded connection hole 512 and the inside of the semicircular clamping plate 513. Then the semicircular clamping plate 513 can be taken out from the inside of the hollow fixed sleeve 511. In the drilling process, the operator can be protected by the protective glass sleeve 618, and the drilling condition can be observed. When disassembly is needed, the operator rotates the buckle 612 to stretch the tension spring 613, the buckle 612 is separated from the limiting rod 616, the operator can take out the protective glass sleeve 618 from the front of the electric drill main body 1, and the clamping plate 615 is separated from the card slot 614, so that the supporting depth adjustment and protection effect are achieved.

[0035] It should be pointed out finally that: the above only for the preferred embodiments of the utility model have, and do not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. An electric drill provided with an auxiliary support structure, comprising an electric drill body (1), characterized in that: The bottom of the electric drill body (1) is fixedly provided with a handle (2), one side of the electric drill body (1) is fixedly provided with a connecting cavity (3), the other side of the connecting cavity (3) is rotationally connected with a drill bit (4), the connecting cavity (3) is provided with a supporting depth adjusting assembly (5), and the surface of the supporting depth adjusting assembly (5) is provided with a protection assembly (6).

2. An electric drill provided with an auxiliary support structure according to claim 1, characterized in that: The supporting depth adjusting assembly (5) specifically comprises: The hollow fixing sleeve (511) is fixedly installed on the outer wall of the connecting cavity (3); The threaded connection hole (512) is circumferentially and equidistantly arranged on the outer wall of the hollow fixing sleeve (511); The semicircular clamping plate (513) is respectively clamped on the inner wall of the hollow fixing sleeve (511); The rotating block (514) is circumferentially and equidastically arranged on the outer wall of the hollow fixing sleeve (511); The mounting disc (516) is fixedly installed on one side of the semicircular clamping plate (513).

3. An electric drill provided with an auxiliary support structure according to claim 2, characterized in that: One side of the rotating block (514) is fixedly provided with a screw rod (515), the other end of the screw rod (515) is respectively movably penetrated through the outer wall of the hollow fixing sleeve (511), the inside of the threaded connection hole (512), the inner wall surface of the hollow fixing sleeve (511) and extended into the inside of the hollow fixing sleeve (511) to be clamped, and the outer wall of the screw rod (515) is in threaded connection with the inner wall of the threaded connection hole (512).

4. An electric drill provided with an auxiliary support structure according to claim 3, characterized in that: The other side of the mounting disc (516) is circumferentially and equidistantly fixedly provided with a groove cylinder (517), the inner wall of the groove cylinder (517) is fixedly provided with a limiting sleeve (518), the inner wall of the groove cylinder (517) is slidably connected with a peg (519), one side of the peg (519) extends to the outside of the groove cylinder (517), one side of the peg (519) is fixedly provided with an anti-skid bottom block (5111), and the other side of the peg (519) is fixedly provided with a spring (5112) between the inner wall of the groove cylinder (517).

5. An electric drill provided with an auxiliary support structure according to claim 4, characterized in that: One side of the groove cylinder (517) is communicated with a sliding groove (5113), one side of the groove cylinder (517) is fixedly provided with a scale (5114), one side of the groove cylinder (517) is provided with a convex displacement block (5115), one side of the convex displacement block (5115) penetrates through the inside of the sliding groove (5113) and extends to the inside of the groove cylinder (517) to be fixedly connected with the surface of the peg (519), and the outer wall of the convex displacement block (5115) is in sliding connection with the inner wall of the sliding groove (5113).

6. The electric drill with auxiliary support structure according to claim 2, characterized in that: The surface of the mounting disc (516) is circumferentially and equidistantly provided with a threaded hole, the inner wall of the threaded hole is in threaded connection with a screw rod (5116), one end of the screw rod (5116) is fixedly provided with a knob (5117), the other end of the screw rod (5116) is rotationally connected with a limiting block (5118), the surface of the limiting block (5118) is in abutment with one side of the groove cylinder (517), and the bottom of the limiting block (5118) is fixedly provided with a pointer (5119).

7. The electric drill with auxiliary support structure according to claim 1, characterized in that: The protection assembly (6) specifically comprises: The bottom block (611) is circumferentially and equidistantly and uniformly fixedly installed on the other side of the mounting disc (516). The buckle (612) is circumferentially and equidistantly and uniformly connected to the other side of the mounting disc (516); The pull spring (613) is fixedly installed between one side of the bottom block (611) and one side of the buckle (612); The clamping groove (614) is circumferentially and equidistantly formed on the other side of the mounting disc (516).

8. An electric drill provided with an auxiliary support structure according to claim 7, characterized in that: The inner wall of the clamping groove (614) is clamped and connected with the clamping plate (615), the surface of the clamping plate (615) is equidistantly and fixedly installed with the limiting rod (616), the outer wall of the limiting rod (616) is clamped with the inner wall of the buckle (612), the outer wall of the clamping plate (615) is fixedly installed with the connecting sleeve (617), and the outer wall of the connecting sleeve (617) is fixedly sleeved with the protective glass sleeve (618).