Depth-controllable outer wall screw hole electric drill reaming structure

By designing a depth-controllable electric drill expansion structure for exterior wall screw holes, using fixing components and supporting components to control the drill depth, and setting a collection hole at the left end of the drill bit, the problem of difficult-to-control drilling depth with traditional electric drills is solved, and the hole forming quality and efficiency are improved.

CN223442546UActive Publication Date: 2025-10-17ZHUHAI HUAFA WESTERN REAL ESTATE CO LTD
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Patent Information

Application Number
CN202422185732.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-05
Publication Date
2025-10-17
Estimated Expiration
2034-09-05

AI Technical Summary

Technical Problem

The drilling depth of traditional electric drills is difficult to control, resulting in uneven formation of screw holes in the exterior wall, affecting the quality of the project.

Method used

A depth-controllable electric drill expansion structure for exterior wall screw holes was designed. By combining a fixing component and a supporting component, the depth of the drill bit entering the wall was controlled, and a collection hole was set at the left end of the drill bit to collect dust particles.

Benefits of technology

It achieves precise control of drilling depth, reduces subsequent cleaning steps, and improves drilling efficiency and hole forming quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of electric drill punching, and discloses a depth-controllable outer wall screw hole electric drill reaming structure which comprises an electric drill body, the right end of the electric drill body is meshed with a first fixing assembly, the right end of the electric drill body is in transmission connection with an electric drill rod, the right end of the first fixing assembly is meshed with a third fixing assembly, and the right end of the third fixing assembly is in transmission connection with the electric drill rod. A second fixing assembly is inserted into the third fixing assembly, and the right end of the second fixing assembly is fixedly connected with a supporting assembly. The length is adjusted through the first fixing assembly, the second fixing assembly and the third fixing assembly, the length of the portion, where a drill bit can enter, of a wall is adjusted by controlling the exposed length of the electric drill rod, and sawteeth at the right end of the first fixing assembly are beneficial to constraining the second fixing assembly inside; the third fixing assembly can better apply pressure inwards to engage and fasten the first fixing assembly and the second fixing assembly, and a supporting assembly at the right end of the second fixing assembly can abut against the wall face so that the punching depth can be controlled.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electric drill punching technology field more specifically, the utility model relates to a depth controllable outer wall screw rod hole electric drill reaming structure. BACKGROUND

[0002] Electric drill is people's daily life as decoration and reconstruction building, furniture or utensil etc. portable drilling or connecting groove equipment, in the field of building construction, outer wall screw rod hole plugging traditional construction scheme is: base layer acceptance - manual drilling - depth measurement - acceptance - clean water flushing - waterproof mortar plugging - brush JS waterproof process. Traditional manual drilling time is long, and the screw rod hole is easy to ream out of position, and the hole size is not consistent, and the wall bushing needs to be cleaned. Since the depth of the hole is often based on the operator's feeling when drilling with the electric drill, the depth may vary, which may cause quality problems in the project. SUMMARY

[0003] In order to overcome the defects of the prior art, the utility model provides a depth controllable outer wall screw rod hole electric drill reaming structure, which has the advantages of controlling and limiting the drilling depth.

[0004] To achieve the above object, the utility model provides the following technical scheme: a depth controllable outer wall screw rod hole electric drill reaming structure, comprising an electric drill main body, the right end of the electric drill main body is engaged with a fixed component one, the right end of the electric drill main body is drivingly connected with an electric drill rod, the right end of the fixed component one is engaged with a fixed component three, the inside of the fixed component three is inserted with a fixed component two, the right end of the fixed component two is fixedly connected with a supporting component, the right end of the electric drill rod is fixedly connected with a drill bit, the left end of the drill bit is fixedly connected with a collecting component, and the left end of the drill bit is provided with a collecting hole.

[0005] As a preferred technical scheme of the utility model, the surface of the fixed component one is provided with threads, and the length value of the fixed component two is greater than the length value of the fixed component one.

[0006] As a preferred technical scheme of the utility model, the length value of the electric drill rod is greater than the sum of the length values of the fixed component one and the fixed component two, the inner diameter value of the fixed component one is equal to the diameter value of the fixed component two, and the inner diameter value of the fixed component two is equal to the diameter value of the electric drill rod.

[0007] As a preferred technical scheme of the utility model, the diameter value of the supporting component is greater than the diameter value of the fixed component two, and the right end edge of the fixed component two is smooth.

[0008] As a preferred technical scheme of the utility model, the right end of the fixed component one is serrated, and the diameter value of the supporting component is greater than the diameter value of the drill bit.

[0009] As a preferred technical scheme of the utility model, the length value of the fixing assembly three is greater than the length value of the sawtooth.

[0010] As a preferred technical scheme of the utility model, the diameter value of the collecting assembly is equal to the diameter value of the drill bit, and the inner diameter value of the collecting assembly is greater than the area value occupied by the collecting hole.

[0011] As a preferred technical scheme of the utility model, the shape of the collecting hole section is trapezoidal, and the right end of the collecting hole is greater than the left end.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] 1. The utility model adjusts the length through the fixing assembly one, the fixing assembly two and the fixing assembly three, controls the length of the electric drill rod exposed length to adjust the length of the wall body that the drill bit can enter, the sawtooth of the right end of the fixing assembly one is favorable to the restraint inside the fixing assembly two, the fixing assembly three can better apply pressure to the inside and engage the fixing assembly one and the fixing assembly two, and the support assembly of the right end of the fixing assembly two can resist the wall surface to control the depth of punching.

[0014] 2. The utility model can make the dust particles generated at the front end in the punching process through the collecting hole and discharge to the left end of the drill bit, improve the punching efficiency, make the drill bit better contact the wall body and carry out the punching operation, the collecting assembly can play a storage effect to the discharged dust particles, can take out the dust inside when the electric drill is extracted after completing the punching and reaming operation, and the subsequent step of cleaning the hole is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic view of the utility model;

[0016] Figure 2 It is the structure explosion schematic view of the utility model;

[0017] Figure 3 It is the structure right side schematic view of the utility model;

[0018] Figure 4 It is the structure cross section schematic view of the utility model;

[0019] Figure 5 It is the structure of the utility model Figure 4 The enlarged schematic view of A place in the utility model.

[0020] In the drawing: 1, electric drill main body;2, fixing assembly one;3, fixing assembly two;4, electric drill rod;5, fixing assembly three;6, drill bit;7, collecting assembly;8, support assembly;9, collecting hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] like Figures 1 to 5 As shown, the utility model provides a depth-controllable electric drill reaming structure for exterior wall screw holes, comprising an electric drill body 1, the right end of the electric drill body 1 is engaged with a fixing component 2, the right end of the electric drill body 1 is transmission-connected to an electric drill rod 4, the right end of the fixing component 2 is engaged with a fixing component 3 5, the interior of the fixing component 3 5 is plugged with a fixing component 2 3, the right end of the fixing component 2 3 is fixedly connected to a support component 8, the right end of the electric drill rod 4 is fixedly connected to a drill bit 6, the left end of the drill bit 6 is fixedly connected to a collecting component 7, and a collecting hole 9 is opened at the left end of the drill bit 6.

[0023] The length is adjusted by fixing component 1 2, fixing component 2 3 and fixing component 3 5, and the exposed length of the electric drill rod 4 is controlled to adjust the length of the wall that the drill bit 6 can enter. The serrations at the right end of fixing component 1 2 are conducive to restraining the internal fixing component 2 3, and fixing component 3 5 can better apply pressure inward to engage and tighten fixing component 1 2 and fixing component 2 3. The support component 8 at the right end of fixing component 2 3 can press against the wall to control the depth of the drilling.

[0024] The surface of the fixing component 1 2 is provided with threads, and the length of the fixing component 2 3 is greater than the length of the fixing component 1 2 .

[0025] The surface of the fixing component 1 2 is provided with a thread, which is engaged by the thread to facilitate operation. The length of the fixing component 2 3 is greater than the length of the fixing component 1 2.

[0026] Among them, the length of the electric drill rod 4 is greater than the sum of the lengths of the fixing component 1 2 and the fixing component 2 3, the inner diameter of the fixing component 1 2 is equal to the diameter of the fixing component 2 3, and the inner diameter of the fixing component 2 3 is equal to the diameter of the electric drill rod 4.

[0027] The fixing component 1 2, the fixing component 2 3 and the electric drill rod 4 are nested with each other, which is convenient for controlling the length and is beneficial for limiting the length control of the electric drill. The structure is stable and not prone to shaking.

[0028] The diameter of the supporting component 8 is greater than the diameter of the second fixing component 3 , and the right end edge of the second fixing component 3 is smooth.

[0029] Conveniently complete the drilling operation, can resist the wall surface control depth, smooth surface facilitates the rotation of the electric drill.

[0030] The right end of the fixing assembly one 2 is serrated, and the diameter of the supporting assembly 8 is greater than that of the drill bit 6.

[0031] The serrated distribution and engagement of the fixing assembly three 5 enable the fixing assembly one 2 to fix the internal fixing assembly two 3 and the electric drill rod 4.

[0032] The length of the fixing assembly three 5 is greater than that of the serration.

[0033] The fixing assembly three 5 can ensure the fastening degree of the fixing assembly one 2, and the length of the electric drill rod 4 can be adjusted by locking the left end of the electric drill rod 4.

[0034] The diameter of the collecting assembly 7 is equal to that of the drill bit 6, and the inner diameter of the collecting assembly 7 is greater than the area occupied by the collecting hole 9.

[0035] During the process of pulling out the drill bit 6 from the hole after completing the drilling operation, the collecting assembly 7 can play a collecting role, and dust and residues in the hole can be taken out together,

[0036] The cross section of the collecting hole 9 is trapezoidal, and the right end of the collecting hole 9 is greater than the left end.

[0037] Dust particles and residues generated during the drilling process can pass through the collecting hole 9 and will not backflow to cause blockage.

[0038] The working principle and use process of the utility model are as follows:

[0039] When the outer wall screw hole needs to be electrically drilled and reamed, first, the position of the required reaming is confirmed, the size and depth of the required reaming are confirmed according to the requirements, after the size and depth are confirmed, the fixed assembly one 2 and the electric drill main body 1 are engaged and connected and fixed, the fixed assembly three 5 is lightly screwed at the right end of the fixed assembly one 2, then the fixed assembly two 3 is put into the inside of the fixed assembly one 2, then the electric drill rod 4 is fixedly connected with the electric drill main body 1 through the fixed assembly one 2 and the fixed assembly two 3, then the position of the fixed assembly two 3 is adjusted according to the required length, the length value of the electric drill rod 4 at the right end of the supporting assembly 8 is controlled, after the length value at the right end of the supporting assembly 8 is controlled to the required length, the fixed assembly three 5 is tightened to fix the fixed assembly one 2, the fixed assembly two 3 and the electric drill rod 4 and no deviation occurs, then the position of the required reaming is reamed, with the deepening of the electric drill, the residues generated by the reaming enter the left end of the drill bit 6 through the collecting hole 9, when the supporting assembly 8 abuts against the wall, the reaming can be performed by abutting against the edge of the supporting assembly 8, after the reaming is completed, the electric drill is pulled out, the dust particles in the hole are taken out together with the collecting assembly 7, which reduces the steps and the degree of trouble of the workers in cleaning the hole.

[0040] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0041] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A depth-controllable electric drill hole expansion structure for external wall screw holes, comprising an electric drill body (1), characterized in that: The right end of the electric drill body (1) is engaged with a fixing component 1 (2), the right end of the electric drill body (1) is transmission-connected with an electric drill rod (4), the right end of the fixing component 1 (2) is engaged with a fixing component 3 (5), the interior of the fixing component 3 (5) is plugged with a fixing component 2 (3), the right end of the fixing component 2 (3) is fixedly connected to a support component (8), the right end of the electric drill rod (4) is fixedly connected to a drill bit (6), the left end of the drill bit (6) is fixedly connected to a collection component (7), and the left end of the drill bit (6) is provided with a collection hole (9).

2. The depth-controllable electric drill hole expansion structure for exterior wall screw holes according to claim 1, characterized in that: The surface of the fixing component 1 (2) is provided with threads, and the length of the fixing component 2 (3) is greater than the length of the fixing component 1 (2).

3. The depth-controllable electric drill hole expansion structure for exterior wall screw holes according to claim 1, characterized in that: The length of the electric drill rod (4) is greater than the sum of the lengths of the fixing component 1 (2) and the fixing component 2 (3), the inner diameter of the fixing component 1 (2) is equal to the diameter of the fixing component 2 (3), and the inner diameter of the fixing component 2 (3) is equal to the diameter of the electric drill rod (4).

4. The depth-controllable electric drill hole expansion structure for exterior wall screw holes according to claim 1, characterized in that: The diameter of the supporting component (8) is greater than the diameter of the second fixing component (3), and the right end edge of the second fixing component (3) is smooth.

5. The depth-controllable electric drill hole expansion structure for exterior wall screw holes according to claim 1, characterized in that: The right end of the fixing component (2) is serrated, and the diameter of the supporting component (8) is greater than the diameter of the drill bit (6).

6. The depth-controllable electric drill hole expansion structure for exterior wall screw holes according to claim 1, characterized in that: The length of the fixing component three (5) is greater than the length of the saw teeth.

7. The depth-controllable electric drill hole expansion structure for exterior wall screw holes according to claim 1, characterized in that: The diameter of the collecting component (7) is equal to the diameter of the drill bit (6), and the inner diameter of the collecting component (7) is greater than the area occupied by the collecting hole (9).

8. The depth-controllable electric drill hole expansion structure for exterior wall screw holes according to claim 1, characterized in that: The cross-section of the collecting hole (9) is in the shape of a trapezoid, and the right end of the collecting hole (9) is larger than the left end.