Auxiliary electric drill frame for vertical punching of handheld electric drill

By designing adjustable support components and positioning and fixing mechanisms, the problem that the existing electric drill frame cannot be supported on the height difference plane is solved, and the stable vertical drilling of the handheld electric drill under different conditions is achieved.

CN222552253UActive Publication Date: 2025-03-04CHINA RAILWAY CONSTR ENG GRP QINGDAO ENGINEERI
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Patent Information

Application Number
CN202420525160.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-19
Publication Date
2025-03-04
Estimated Expiration
2034-03-19

AI Technical Summary

Technical Problem

The existing electric drill frame cannot be placed when facing some horizontal planes with height difference, resulting in the inability to effectively support the handheld electric drill for vertical drilling.

Method used

A handheld electric drill vertical drill assisted drill frame is designed, by providing adjustable first and second support components on the base plate, flexible support for the electric drill frame is achieved using spring and shaft mechanism, and positioning and fixing different types of electric drills through positioning and limiting holes.

Benefits of technology

It realizes flexible support at different heights and planes, adapts to various electric drill models, ensuring the stability and efficiency of vertical drill holes.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222552253U_ABST
Patent Text Reader

Abstract

The auxiliary electric drill frame comprises a bottom plate, a limiting rod is fixedly connected to the top of the bottom plate, a fixing plate is arranged at the top of the bottom plate, a limiting hole is formed in the surface of the fixing plate, the limiting rod penetrates through the limiting hole to be connected with the fixing plate in a sliding mode, and an electric drill body is arranged at the top of the fixing plate. A first supporting assembly is arranged on one side of the bottom plate and comprises a first supporting rod, a first clamping plate is fixedly connected to the bottom of the bottom plate, a first spring is fixedly connected to the side face of the first clamping plate, and a first clamping shaft is fixedly connected to the end, away from the first clamping plate, of the first spring. And a first clamping hole is formed in the surface of the first supporting rod. The first supporting assembly and the second supporting assembly are adjusted, the first supporting rod and the second supporting rod are stretched up and down according to the actual drilling position, and finally the first clamping shaft and the second clamping shaft are used for fixing so as to support the electric drill frame.
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Description

Technical Field

[0001] The utility model relates to the technical field of vertical hole punching with an electric drill, in particular to an auxiliary electric drill frame for vertical hole punching with a handheld electric drill. Background Art

[0002] An electric drill is a drilling machine that uses electricity as power. It is a conventional product among power tools and is also the most in-demand power tool product. Its annual production and sales volume accounts for 35% of China's power tools. In daily life, when using a hand drill to drill holes, the operator can only judge whether the drill bit is perpendicular to the drilling surface based on his or her experience and visual adjustment. This method of operation is not only inconvenient to operate, but also easy to be crooked, which will cause trouble for subsequent work. The electric drill stand is a tool designed to facilitate the staff to hold the electric drill and drill vertically downward. The electric drill stand can fix the electric drill so that the electric drill can be fixed on the electric drill stand, so that the electric drill can drill holes in the material vertically.

[0003] The electric drill stand in the prior art can meet the support and positioning function of the handheld electric drill when performing vertical drilling. However, in actual use, the location where the hole is drilled is not necessarily on a flat surface, or the surface used to place the electric drill stand is narrow, which makes it impossible to place the electric drill stand at the drilling location. In some places, the electric drill stand can be raised with objects such as wooden blocks to perform vertical drilling. However, in some locations where the height difference of the horizontal plane is large, the electric drill stand cannot be supported by the raising method. Therefore, an electric drill stand structure that can flexibly change the support method of the electric drill stand is needed. Therefore, an electric drill stand auxiliary electric drill stand for vertical drilling of a handheld electric drill is proposed. Utility Model Content

[0004] The utility model aims to provide an auxiliary electric drill stand for vertical drilling of a handheld electric drill, so as to solve the problem that the electric drill stand for auxiliary support of the handheld electric drill in the prior art cannot be placed on some horizontal surfaces with height differences.

[0005] The cam is provided with a first spring which is fixedly connected to the bottom of the base plate, and a second spring is fixedly connected to the bottom of the base plate, and a first spring is fixedly connected to the side of the base plate, and a first clamping shaft is provided on the surface of the base plate, and a first clamping hole is provided on the surface of the base plate.

[0006] Preferably, a positioning hole is opened on the side of the fixing plate, a positioning piece is arranged inside the positioning hole, and the positioning piece is fitted with the surface of the electric drill body.

[0007] Preferably, a support spring is fixedly connected to a position of the bottom of the fixing plate corresponding to the limiting hole, and the support spring is sleeved on the outside of the limiting rod.

[0008] Preferably, a drill hole is formed on the surface of the bottom plate at a position corresponding to the drill bit of the electric drill body, and the inner diameter of the drill hole is much larger than the diameter of the drill bit of the electric drill body.

[0009] Preferably, a first plug plate is fixedly connected to the bottom of the base plate, and the first plug plate and the first clamping plate are respectively arranged on both sides of the first support rod.

[0010] Preferably, a second plug plate is fixedly connected to the bottom of the base plate, and the second plug plate and the second clamping plate are respectively arranged on both sides of the second support rod.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model supports the electric drill frame by adjusting the first support assembly and the second support assembly, stretching the first support rod and the second support rod up and down according to the actual drilling position requirements, and finally fixing them with the first clamping shaft and the second clamping shaft;

[0013] 2. The utility model also utilizes the positioning piece to rotate inside the positioning hole to move the position, thereby adapting to the positioning and fixing of electric drills of different models. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of a handheld electric drill vertical drilling auxiliary electric drill stand of the utility model Figure 1;

[0015] Figure 2 This is a schematic diagram of the overall structure of a handheld electric drill vertical drilling auxiliary electric drill stand of the utility model Figure 2 ;

[0016] Figure 3 This is a schematic structural diagram of a first supporting assembly of an auxiliary electric drill stand for vertical drilling with a handheld electric drill according to the utility model;

[0017] Figure 4 This is a cross-sectional view of the structure of the first supporting assembly of a handheld electric drill vertical drilling auxiliary electric drill stand of the utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the second supporting assembly of a handheld electric drill vertical drilling auxiliary electric drill stand of the utility model;

[0019] Figure 6 The utility model is a cross-sectional view of a structure of a positioning piece of an auxiliary electric drill stand for vertical drilling with a handheld electric drill.

[0020] In the figure: 1, bottom plate; 2, electric drill body; 3, limit rod; 4, fixing plate; 5, limit hole; 6, support spring; 7, positioning piece; 8, positioning hole; 9, drilling hole; 10, first support assembly; 101, first support rod; 102, first clamping plate; 103, first plug plate; 104, first clamping shaft; 105, first spring; 106, first clamping hole; 11, second support assembly; 111, second support rod; 112, second clamping plate; 113, second plug plate; 114, second clamping shaft; 115, second spring; 116, second clamping hole. DETAILED DESCRIPTION

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

[0022] See also Figure 1-6The utility model provides a technical solution: it includes a bottom plate 1, a limiting rod 3 is welded on the top of the bottom plate 1, the number of the limiting rods 3 is two, the two limiting rods 3 are symmetrically welded on the left and right ends of the top of the bottom plate 1, and then a fixing plate 4 is arranged on the top of the bottom plate 1, the fixing plate 4 is a groove plate, and then two limiting holes 5 are opened on the surface of the fixing plate 4, the distance between the two limiting holes 5 is equal to the distance between the two limiting rods 3, and the inner diameter length of the limiting hole 5 is greater than the diameter length of the limiting rod 3, and then the fixing plate 4 is sleeved on the outer surface of the limiting rod 3 through the limiting hole 5 The fixing plate 4 can slide up and down under the restriction between the limiting rod 3 and the limiting hole 5. A supporting spring 6 is welded at the bottom of the fixing plate 4 and at the position of the limiting hole 5. Then, the supporting spring 6 is sleeved on the outside of the limiting rod 3. During the downward movement of the fixing plate 4, the supporting spring 6 first contacts the top of the bottom plate 1. Then, as the fixing plate 4 continues to move downward, the supporting spring 6 is continuously compressed. Support springs 6 are welded at the bottoms of the two limiting holes 5, thereby improving the stability of the movement of the fixing plate 4. A circular hole is opened in the middle of the fixing plate 4, and then on both sides of the circular hole A positioning hole 8 is provided, and a threaded groove is provided on the inner wall of the positioning hole 8. A positioning piece 7 is screwed into the interior of the positioning hole 8. The positioning piece 7 is composed of a threaded shaft and a cylindrical block welded to the end. The other end of the threaded shaft is provided with a cross groove. The threaded shaft of the positioning piece 7 is rotated to move it inside the positioning hole 8, so as to position and clamp the electric drill body 2. First, the drill head part of the electric drill body 2 is inserted into the circular hole of the fixing plate 4. After the electric drill body 2 is fixed, the positioning pieces 7 on both sides of the circular hole are screwed to cooperate with the electric drill body 2 to position and clamp it. A drill hole 9 is provided on the surface of the plate 1 and directly below the drill bit of the electric drill body 2, and the inner diameter of the drill hole 9 is greater than the diameter of the drill bit of the electric drill body 2. At this time, the electric drill stand can be basically used. After being clamped by the positioning member 7, the electric drill body 2 can move downward, and in the process of moving, the fixed plate 4 is driven to move downward on the surface of the limit rod 3. Then, in the process of moving downward, the support spring 6 is compressed. In the process of continuous downward pressure, the drill bit of the electric drill body 2 moves downward through the drill hole 9, and then performs vertical drilling.

[0023] A first support assembly 10 is provided at the left end of the base plate 1. The first support assembly 10 includes a first support rod 101. A circular hole is provided at the left end of the base plate 1. The first support rod 101 passes through the circular hole and is fixed to the left end of the base plate 1. A rubber pad is glued to the bottom of the first support rod 101 so that it can increase the friction force during the support process, thereby providing more stable support. A first clamping plate 102 is welded at the bottom of the base plate 1 and at one side of the circular hole. A first plugging plate 103 is welded at the bottom of the base plate 1 and at the other side of the circular hole. Circular holes are provided at the middle positions of the first clamping plate 102 and the first plugging plate 103. A first spring 105 is welded at the inner side surface of the first clamping plate 102. The first spring 105 and the circular hole of the first clamping plate 102 are on the same axis. Then a first clamping shaft 104 is welded at one end of the first spring 105 away from the first clamping plate 102. The first clamping shaft 104 is at the When the first support rod 101 is in its initial state, one end of the spring 105 is inserted into the circular hole of the first plugging plate 103, and the other end passes through the circular hole of the first clamping plate 102. A row of first clamping holes 106 are provided on the surface of the first support rod 101, and the distances between the two holes in the row of first clamping holes 106 are equal. When the first support assembly 10 needs to be adjusted, the first clamping shaft 104 is first pulled to one end of the first clamping plate 102, and then the first clamping shaft 104 will drive the first spring 105 to be compressed, and then the other end of the first clamping shaft 104 will be separated from the circular hole of the first plugging plate 103, and then the first support rod 101 can be adjusted up and down. After the height of the first support rod 101 is adjusted, the first clamping shaft 104 is released. Under the action of the rebound force of the first spring 105, the first clamping shaft 104 first passes through the first clamping hole 106, and then is inserted into the circular hole of the first plugging plate 103, thereby restricting the first support rod 101.

[0024] A second support assembly 11 is provided at the right end of the bottom plate 1 and at a position symmetrical to the first support assembly 10. The second support assembly 11 includes a second support rod 111. The second support rod 111 is equal in shape to the first support rod 101 and a circular hole is provided at the same position at the right end of the bottom plate 1. The second support rod 111 then passes through the circular hole. A rubber pad is also glued to the bottom of the second support rod 111. A second clamping plate 112 is welded at the bottom of the bottom plate 1 and at a position symmetrical to the first clamping plate 102. A second plugging plate 113 is welded at a position opposite to the first plugging plate 103. A circular hole is also provided at the middle position of the second clamping plate 112 and the second plugging plate 113. A second spring 115 is welded on the inner side surface of the second clamping plate 112. A second clamping shaft 114 is welded at the end of the second spring 115 away from the second clamping plate 112. One end of the second clamping shaft 114 is inserted into The second clamping shaft 114 is released, and under the action of the rebound force of the second spring 115, the second clamping shaft 114 will move toward the second plugging plate 113, and in the process of moving, it passes through the second clamping hole 116 and is finally inserted into the circular hole of the second plugging plate 113, thus completing the height adjustment and fixing of the second support rod 111.

[0025] Working principle: When in use, the utility model first adjusts the height of the electric drill rack according to the drilling position or object, first adjusts the first support assembly 10, pulls the first clamping shaft 104, and during the pulling process, the first spring 105 is compressed until the first clamping shaft 104 is completely separated from the first plug plate 103 and the first clamping hole 106, and then adjusts the height of the first support rod 101. After the adjustment, release the first clamping shaft 104. Under the action of the rebound force of the first spring 105, the first clamping shaft 104 will move toward the first plug plate 103 until the first clamping shaft 104 passes through the first clamping hole 106 and the round hole of the first plug plate 103, so that the first support rod 101 can be fixed, and then adjust the second support assembly 11, pull the second clamping shaft 114, and compress the second spring during the pulling process. 115, and then adjust the height of the second support rod 111. After the adjustment, release the second clamping shaft 114. Under the action of the rebound force of the second spring 115, the second clamping shaft 114 passes through the second clamping hole 116 and the circular hole of the second plug plate 113, thereby fixing the second support rod 111. At the same time, the first support rod 101 and the second support rod 111 can be adjusted to different heights to adapt to different horizontal placement surfaces. Then, the drill bit part of the electric drill body 2 is passed through the circular hole of the fixing plate 4, and then the positioning piece 7 is screwed and rotated inward inside the positioning hole 8 to fix the electric drill body 2. Then, during the downward movement of the electric drill body 2, the fixing plate 4 will be driven to move downward through the limiting hole 5 and then on the surface of the limiting rod 3. When contacting the bottom plate 1, the support spring 6 will be compressed, and the drill bit part passes through the drilling hole 9 to perform vertical drilling.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A handheld electric drill vertical drilling auxiliary electric drill stand, comprising a bottom plate (1), characterized in that: A limiting rod (3) is fixedly connected to the top of the base plate (1); a fixing plate (4) is provided on the top of the base plate (1); a limiting hole (5) is provided on the surface of the fixing plate (4); the limiting rod (3) passes through the limiting hole (5) and is slidably connected to the fixing plate (4); an electric drill body (2) is provided on the top of the fixing plate (4); a first supporting assembly (10) is provided on one side of the base plate (1); the first supporting assembly (10) comprises a first supporting rod (101); a first clamping plate (102) is fixedly connected to the bottom of the base plate (1); a first spring (105) is fixedly connected to the side of the first clamping plate (102); the first spring (105) is away from the first spring (105). One end of a clamping plate (102) is fixedly connected to a first clamping shaft (104), a first clamping hole (106) is provided on the surface of the first support rod (101), a second support assembly (11) is provided on the other side of the base plate (1), the second support assembly (11) comprises a second support rod (111), a second clamping plate (112) is fixedly connected to the bottom of the base plate (1), a second spring (115) is fixedly connected to the side of the second clamping plate (112), an end of the second spring (115) away from the second clamping plate (112) is fixedly connected to the second clamping shaft (114), and a second clamping hole (116) is provided on the surface of the second support rod (111).

2. The auxiliary electric drill stand for vertical drilling of a handheld electric drill according to claim 1, characterized in that: A positioning hole (8) is provided on the side of the fixing plate (4), a positioning piece (7) is provided inside the positioning hole (8), and the positioning piece (7) is fitted with the surface of the electric drill body (2).

3. The auxiliary electric drill stand for vertical drilling of a handheld electric drill according to claim 1, characterized in that: A support spring (6) is fixedly connected to the bottom of the fixing plate (4) at a position corresponding to the limiting hole (5), and the support spring (6) is sleeved on the outside of the limiting rod (3).

4. The auxiliary electric drill stand for vertical drilling of a handheld electric drill according to claim 1, characterized in that: A drill hole (9) is provided on the surface of the bottom plate (1) at a position corresponding to the drill bit of the electric drill body (2), and the inner diameter of the drill hole (9) is much larger than the diameter of the drill bit of the electric drill body (2).

5. The auxiliary electric drill stand for vertical drilling of a handheld electric drill according to claim 1, characterized in that: A first plug plate (103) is fixedly connected to the bottom of the base plate (1); the first plug plate (103) and the first clamping plate (102) are respectively arranged on both sides of the first support rod (101).

6. The auxiliary electric drill stand for vertical drilling of a handheld electric drill according to claim 1, characterized in that: A second plug plate (113) is fixedly connected to the bottom of the base plate (1), and the second plug plate (113) and the second clamping plate (112) are respectively arranged on both sides of the second support rod (111).