Fixing device for reaming of electric drill

Abstract

The utility model discloses a fixing device for electric drill chambering, which relates to the technical field of chambering auxiliary equipment, and comprises a chuck, a clamping end of the chuck fixedly clamps a drill bit, the rear end of the chuck is fixedly connected with a connecting rod, the connecting rod is provided with a limiting mechanism, the limiting mechanism comprises a fixing block, and a first through hole is arranged in the middle of the fixing block. The connecting rod penetrates through the first through hole and is connected with the fixing block through two bearings, the connecting rod is sleeved with an optical axis fixing ring, the optical axis fixing ring is located at the end, away from the chuck, of the fixing block, a shaft sleeve is arranged between the optical axis fixing ring and the fixing block, the outer end of the connecting rod is sleeved with the shaft sleeve, and a moving assembly is fixed to the lower end of the fixing block. The drill bit moves along the sliding rail to broach the wall surface, stability is improved, the physical strength of workers is saved, the depth needing broaching can be accurately controlled through the depth control module, the working efficiency is improved, the drill bit returns to the original position through the rebound component, operation of the workers is facilitated, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hole enlarging auxiliary equipment, in particular to a fixing device for hole enlarging with an electric drill. Background Art

[0002] The traditional construction plan for sealing screw holes in exterior walls includes: base acceptance - manual drilling - depth measurement - acceptance - clean water flushing - waterproof mortar sealing - JS waterproofing and other processes; traditional manual drilling takes a long time, and the screw holes are prone to not being fully expanded, and the hole sizes are not consistent. The wall casing needs to be cleaned, so it is necessary to change the traditional manual hole expansion to electric drill expansion. Hand-held drilling machines are commonly used. Hand-held drilling machines are not only physically demanding and have low stability, but also because the drill bit will generate great vibration on the workpiece when it is working. Therefore, it is very likely to cause misalignment between the hand drill and the hole position, or even slippage, which seriously affects the drilling effect of the drilling machine.

[0003] Based on this, a fixing device for electric drill hole enlarging is now provided, which can eliminate the disadvantages of the existing device. Utility Model Content

[0004] The purpose of the utility model is to provide a fixing device for enlarging holes with an electric drill, so as to solve the problems in the background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A fixing device for reaming holes with an electric drill comprises: a chuck, the clamping end of the chuck fixes and clamps the drill bit, the rear end of the chuck fixes a connecting rod, the connecting rod is provided with a limiting mechanism, the limiting mechanism comprises a fixing block, a through hole one is provided in the middle of the fixing block, the connecting rod passes through the through hole one and is connected to the fixing block via two bearings, an optical axis fixing ring is sleeved on the connecting rod, the optical axis fixing ring is located at the end of the fixing block away from the chuck, a sleeve is provided between the optical axis fixing ring and the fixing block, the sleeve is sleeved on the outer end of the connecting rod, and the lower end of the fixing block fixes the moving component.

[0007] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

[0008] In an optional solution: the moving assembly includes a moving plate, the upper end of the moving plate is fixed to the lower end of the fixed block, a slider is fixed on one side of the lower end of the moving plate, and a moving sleeve is fixed on the other side of the lower end of the moving plate. A groove is provided at the lower end of the slider, and the slide rail is slidably connected in the groove of the slider. A slide rod is connected in the middle of the moving sleeve, and the two ends of the slide rail and the slide rod are fixed by two connecting blocks. A rebound component is provided on the slide rod.

[0009] In an optional solution, the rebound component includes a spring, and the spring is sleeved on the outer end of the sliding rod.

[0010] In an optional solution: support plate 1 is fixed to the lower ends of the two connecting blocks, and support plate 2 is fixed to the end of support plate 1 on the same side as the drill bit through a nut, and support plate 2 is L-shaped, one side of support plate 2 is fixed to the upper end of support plate 1, and the other side of support plate 2 is against the wall, and through hole 2 is provided on the side of support plate 2 against the wall, and through hole 2 is located at the front end of the drill bit.

[0011] In an optional solution: a depth control module is provided on the slide rail, and the depth control module includes a moving block, which is slidably connected to the slide rail, and the upper end of the moving block is connected to a locking bolt through a thread, and a scale line is provided at the upper end of the support plate, and the scale line is located next to the slide rail.

[0012] In an optional solution, the slide rail and the slide rod are parallel to each other.

[0013] In an optional solution, the drill bit and the support plate are parallel to each other.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0015] The utility model uses the second support plate to support the wall surface, and the drill bit moves along the slide rail to expand the wall surface, which increases stability and saves workers' physical strength. The depth of the hole to be expanded can be accurately controlled by the depth control module, thereby improving work efficiency. The drill bit can be returned to its original position by the rebound component, which is convenient for workers to operate and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the present utility model.

[0017] Figure 2 This is an explosion diagram of the utility model.

[0018] Figure 3 It is a cross-sectional view of the present utility model.

[0019] Notes on the accompanying drawings: 100, chuck, 200, drill bit, 300, connecting rod, 401, fixed block, 402, through hole one, 403, bearing, 404, optical axis fixing ring, 405, sleeve, 501, movable plate, 502, slider, 503, movable sleeve, 504, slide rail, 505, slide rod, 506, connecting block, 601, spring, 701, support plate one, 702, support plate two, 703, through hole two, 801, movable block, 802, locking bolt, 803, scale line. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0021] In one embodiment, Figure 1-Figure 3 As shown, a fixing device for expanding a hole with an electric drill comprises: a chuck 100, the clamping end of the chuck 100 fixes and clamps the drill bit 200, the rear end of the chuck 100 fixes a connecting rod 300, the connecting rod 300 is provided with a limiting mechanism, the limiting mechanism comprises a fixing block 401, the fixing block 401 has a through hole 1 402 in the middle, the connecting rod 300 passes through the through hole 1 402 and is connected to the fixing block 401 through two bearings 403, the connecting rod 300 is sleeved with an optical axis fixing ring 404, the optical axis fixing ring 404 is located on the fixing block 401 away from the clamp At one end of the head 100, a sleeve 405 is provided between the optical axis fixing ring 404 and the fixed block 401, and the sleeve 405 is sleeved on the outer end of the connecting rod 300. The lower end of the fixed block 401 fixes the movable component, and the drill bit 200 is clamped by the chuck 100. The drill bit can be replaced according to the required hole to be drilled. The chuck 100 is rotatably connected to the fixed block 401 through the connecting rod 300. The connecting rod 300 can be connected to a drilling machine for drilling. The optical axis fixing ring 404 limits the fixed block 401 to prevent sliding between the fixed block 401 and the connecting rod 300.

[0022] In this embodiment, if Figure 1 and Figure 2 As shown, the moving assembly includes a moving plate 501, the upper end of the moving plate 501 is fixed to the lower end of the fixed block 401, a slider 502 is fixed on one side of the lower end of the moving plate 501, and a moving sleeve 503 is fixed on the other side of the lower end of the moving plate 501. A groove is provided at the lower end of the slider 502, and the slide rail 504 is slidably connected in the groove of the slider 502. A slide rod 505 is connected in the middle of the moving sleeve 503, and the slide rail 504 and the two ends of the slide rod 505 are fixed by two connecting blocks 506. The slide rod 505 is provided with a rebound component, and the outer sleeve of the slide rail 504 is connected to the slider 502, and the outer sleeve of the slide rod 505 is connected to the moving sleeve 503. The upper ends of the slider 502 and the moving sleeve 503 are fixed to the moving plate 501, and the moving plate 501 moves along the slide rail 504 and the slide rod 505, driving the fixed block 401 fixed on the moving plate 501 to move.

[0023] In one embodiment, Figure 2 As shown, the rebound component includes a spring 601, which is sleeved on the outer end of the slide rod 505. The drill bit 200 moves forward to drill a hole, and the movable sleeve 503 compresses the spring 601. When the hole is drilled, the spring 601 rebounds to return the drill bit 200 to its original position.

[0024] In one embodiment, Figure 1 and Figure 2 As shown, the lower ends of the two connecting blocks 506 are fixed to support plate 1 701, and the end of support plate 1 701 on the same side as the drill bit 200 is fixed to support plate 2 702 by a nut, and support plate 2 702 is L-shaped, and one side of support plate 2 702 is fixed to the upper end of support plate 1 701, and the other side of support plate 2 702 is against the wall. A through hole 2 703 is provided on the side of support plate 2 702 against the wall, and the through hole 2 703 is located at the front end of the drill bit 200. One end of support plate 2 702 is against the wall. Since support plate 2 702 is L-shaped, support plate 1 701 connected to the other end of support plate 2 702 is perpendicular to the wall.

[0025] In one embodiment, Figure 1 As shown, a depth control module is provided on the slide rail 504, and the depth control module includes a moving block 801, and the moving block 801 is slidably connected to the slide rail 504. The upper end of the moving block 801 is connected to the locking bolt 802 by a thread, and a scale line 803 is provided at the upper end of the support plate 701. The scale line 803 is located next to the slide rail 504. The moving block 801 is fixed by rotating the locking bolt 802. The scale line 803 is provided next to the slide rail 504. The moving block 801 is fixed at the corresponding scale to control the depth of the drilling.

[0026] In one embodiment, Figure 1 As shown, the slide rail 504 and the slide rod 505 are parallel to each other, so that the moving block 801 can move smoothly along the slide rail 504 and the slide rod 505 to avoid mechanical failure.

[0027] In one embodiment, Figure 1 As shown, the drill bit 200 and the support plate 701 are parallel to each other, ensuring that the drill bit 200 is perpendicular to the wall surface and the drilled hole is perpendicular to the wall surface.

[0028] The above embodiment discloses a fixing device for electric drill reaming, wherein one end of the second support plate 702 is pressed against the wall. Since the second support plate 702 is L-shaped, the first support plate 701 connected to the other end of the second support plate 702 is perpendicular to the wall. The upper end of the first support plate 701 is fixedly connected to two connecting blocks 506. The sliding rail 504 and the sliding rod 505 are fixed between the two connecting blocks 506. The outer surface of the sliding rail 504 is connected to the slider 502. The outer surface of the sliding rod 505 is connected to the movable sleeve 503. The upper ends of the slider 502 and the movable sleeve 503 are fixed to the movable plate 501. The movable plate 501 moves along the sliding rail 504 and the sliding rod 505. 05 moves, driving the fixed block 401 fixed on the movable plate 501 to move, thereby driving the drill bit 200 to move toward the wall. One end of the connecting rod 300 fixes the chuck 100 and the other end is connected to the drilling machine. The rotation of the drilling machine drives the chuck 100 to rotate, thereby driving the drill bit 200 to rotate and expand the hole on the wall. The sliding rail 504 is slidably connected to the movable block 801. The upper end of the support plate 701 next to the sliding rail 504 is provided with a scale line 803. The movable block 801 is fixed at the corresponding scale to control the depth of the drilling. After the drilling is completed, the spring 601 rebounds to make the drill bit 200 return to its original position, completing a drilling.

[0029] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. A fixing device for expanding a hole with an electric drill, comprising a chuck (100), wherein the clamping end of the chuck (100) fixes and clamps a drill bit (200), and the rear end of the chuck (100) fixes a connecting rod (300), wherein a limiting mechanism is provided on the connecting rod (300), characterized in that: The limiting mechanism includes a fixed block (401), a through hole (402) is provided in the middle of the fixed block (401), the connecting rod (300) passes through the through hole (402) and is connected to the fixed block (401) via two bearings (403), an optical axis fixing ring (404) is sleeved on the connecting rod (300), the optical axis fixing ring (404) is located at an end of the fixed block (401) away from the chuck (100), a shaft sleeve (405) is provided between the optical axis fixing ring (404) and the fixed block (401), the shaft sleeve (405) is sleeved on the outer end of the connecting rod (300), and the lower end of the fixed block (401) fixes the moving assembly; The moving assembly comprises a moving plate (501), the upper end of the moving plate (501) is fixed to the lower end of the fixed block (401), a slider (502) is fixed on one side of the lower end of the moving plate (501), and a moving sleeve (503) is fixed on the other side of the lower end of the moving plate (501), a groove is provided at the lower end of the slider (502), a slide rail (504) is slidably connected in the groove of the slider (502), a slide rod (505) is sleeved in the middle of the moving sleeve (503), the slide rail (504) and the two ends of the slide rod (505) are fixed by two connecting blocks (506), and a rebound component is provided on the slide rod (505); The lower ends of the two connecting blocks (506) are fixed to the support plate 1 (701), and the end of the support plate 1 (701) on the same side as the drill bit (200) is fixed to the support plate 2 (702) through a nut. The support plate 2 (702) is L-shaped, and one side of the support plate 2 (702) is fixed to the upper end of the support plate 1 (701). The other side of the support plate 2 (702) is against the wall. The side of the support plate 2 (702) against the wall is provided with a through hole 2 (703), and the through hole 2 (703) is located at the front end of the drill bit (200).

2. A fixing device for electric drill hole enlarging according to claim 1, characterized in that: The resilient component comprises a spring (601), and the spring (601) is sleeved on the outer end of the slide rod (505).

3. The fixing device for electric drill hole enlarging according to claim 1, characterized in that: The slide rail (504) is provided with a depth control module, and the depth control module includes a moving block (801), the moving block (801) is slidably connected to the slide rail (504), the upper end of the moving block (801) is connected to a locking bolt (802) through a thread, and a scale line (803) is provided on the upper end of the support plate (701), and the scale line (803) is located next to the slide rail (504).

4. The fixing device for electric drill hole enlarging according to claim 1, characterized in that: The slide rail (504) and the slide rod (505) are parallel to each other.

5. The fixing device for electric drill hole enlarging according to claim 1, characterized in that: The drill bit (200) and the support plate (701) are parallel to each other.

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