Air pipe tapper
By designing duct cutters that adapt to different specifications, and utilizing a locking device and a servo motor-driven lead screw moving frame, the stability problem of ducts during cutting was solved, thus improving the success rate and efficiency of cutting.
Patent Information
- Application Number
- CN202422624449.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-10-30
AI Technical Summary
Existing duct hole openers lack locking devices, causing the duct to rotate during the opening process, resulting in opening failure or damage to the duct. They are also unable to adapt to different duct specifications, affecting construction efficiency.
A duct cutter was designed, comprising a base, a locking device, a servo motor, a lead screw, a limit rod, a moving frame, and a hole-opening device. The duct is fixed by the locking device, the lead screw is driven by the servo motor to move the frame, and the hole-opening device allows for adjustment of the drill bit position to accommodate ducts of different specifications.
It achieves stable fixation of the duct, ensures accurate opening position, adapts to ducts of different thicknesses, improves opening efficiency and success rate, and avoids duct damage.
Smart Images

Figure CN223630516U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present disclosure specifically discloses a duct technology field, and particularly relates to a duct hole opener. BACKGROUND
[0002] In the process of installing an air conditioner or fresh air, connection is needed through a duct. In the process of connection, the duct needs to be holed to connect the duct.
[0003] According to application No. 202011472612.2, a pipe hole opening device for water conservancy construction is disclosed, which comprises a drill bit, a gas pressure pipe is fixedly sleeved in the inside of the drill bit, a horizontal bevel gear is fixedly installed at the bottom end of the gas pressure pipe, a pressure receiving block is fixedly installed on the lower surface of the horizontal bevel gear, the pressure receiving block is in communication with the gas pressure pipe, and a drilling mechanism is movably sleeved in the inside of the drill bit between the drill bit and the pressure receiving block. The pipe hole opening device for water conservancy construction is characterized in that when the drill roller rotates to the position where the suction nozzle is opposite to the hole, the communication pipe, the chip suction port and the chip accumulation pipe are in communication at this time, the gas in the gas pressure pipe is sucked upward at this time, the debris generated by drilling is sucked into the ventilation pipe from the suction nozzle, the debris in the hole groove can be continuously cleaned during the hole opening process, the residual material generated by the pipe during the hole opening process is removed from the short pipe, and debris accumulation and blockage in the water pipe are avoided.
[0004] The existing hole opener does not have a locking device, which causes the duct to rotate during hole opening, resulting in hole opening failure or damage to the duct, and the hole opening position cannot be moved, so that different specifications of the duct cannot be holed, the adaptability is low, and the construction efficiency is affected. Therefore, we propose a duct hole opener. SUMMARY
[0005] In view of the above-mentioned defects or deficiencies in the prior art, the present application aims to provide a structure that is suitable for different specifications and is locked.
[0006] A duct hole opener comprises a base, a hole is formed in the middle of the left and right end faces of the base, a duct is provided in the hole inner cavity from left to right, a locking device is provided on the upper part of the left and right panels of the base, the lower part of the locking device extends through to the inside of the hole, a servo motor is fixedly connected to the upper part of the right end face of the right panel of the base, the motor shaft of the servo motor extends through to the inside of the base and is fixedly connected with a lead screw, the lead screw is movably connected to the left end face of the inner cavity of the base, a limiting rod is arranged on the rear side of the lead screw, a moving frame is sleeved on the middle part of the outer walls of the lead screw and the limiting rod, and a hole opening device is arranged in the inner cavity of the moving frame.
[0007] According to the technical scheme provided in the embodiment of the application, the locking device comprises a hand wheel, a first threaded rod, a bearing and a locking plate, a first threaded rod is arranged through the center of the upper end face of the left and right panels of the base, a bearing is fixedly connected to the outer wall of the lower end of the first threaded rod, a locking plate is fixedly connected to the lower end face of the outer ring of the bearing, and a hand wheel is fixedly connected to the upper end face of the first threaded rod.
[0008] According to the technical scheme provided in the embodiment of the application, the locking plate is in the shape of a circular arc, and a rubber pad is bonded to the lower end face of the locking plate.
[0009] According to the technical scheme provided in the embodiment of the application, the opening device comprises a second threaded rod, a handle, a driving motor, a sliding groove, a sliding rod and a drill bit, a second threaded rod is arranged through the center of the top end face of the moving frame, a driving motor is movably connected to the bottom end of the second threaded rod, a sliding groove is arranged at the center axis of the left and right end faces of the inner cavity of the moving frame, a sliding rod is fixedly connected to the left and right bottom end faces of the driving motor, the distal end of the sliding rod extends into the sliding groove, a drill bit is fixedly connected to the distal end of the motor shaft of the driving motor, and a handle is fixedly connected to the upper end of the second threaded rod.
[0010] According to the technical scheme provided in the embodiment of the application, the drill bit is in the shape of a circular groove, and the lower end face of the drill bit is fixedly connected to the protrusions in the shape of sawteeth.
[0011] According to the technical scheme provided in the embodiment of the application, the width of the sliding rod matches the width of the sliding groove, and a limiting block is arranged at the lower end of the sliding groove.
[0012] In summary, the application discloses a duct opening device.
[0013] Advantages:
[0014] 1. The base, the opening and the locking device can determine the position of the hole, the locking plate can fix the duct, the stability of the duct can be ensured, the subsequent opening can be prepared, and the phenomenon of hole opening failure or position deviation can be avoided.
[0015] 2. The servo motor, the lead screw, the limiting rod, the moving frame and the opening device can drive the moving frame to move left and right, can determine that the drill bit is located directly above the opening position, can drive the drill bit to ascend and descend through the second threaded rod, and can open holes in ducts with different thicknesses. BRIEF DESCRIPTION OF DRAWINGS
[0016] Other features, objects and advantages of the application will become more apparent from the following detailed description of non-limiting embodiments made with reference to the accompanying drawings:
[0017] Figure 1 is a schematic view of the duct opening device in the application;
[0018] Figure 2 is a left view structural schematic diagram of the wind pipe opening device in the application;
[0019] Figure 3 is a structural schematic diagram of the enlarged portion A in the application Figure 1
[0020] In the figure: 1, base; 2, opening; 3, locking device; 31, hand wheel; 32, first threaded rod; 33, bearing; 34, locking plate; 4, servo motor; 5, lead screw; 6, limiting rod; 7, moving frame; 8, wind pipe; 9, second threaded rod; 10, handle; 11, drive motor; 12, sliding groove; 13, sliding rod; 14, drill bit. DETAILED DESCRIPTION
[0021] The application will be described in further detail below with reference to the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related application, and not to limit the application. In addition, it should be noted that only the parts related to the application are shown in the drawings for ease of description.
[0022] It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other without conflict. The application will be described in detail below with reference to the drawings and embodiments.
[0023] As mentioned in the background, the opening device in the prior art is not provided with a locking device, which causes the wind pipe to rotate during opening, resulting in failure of opening or damage to the wind pipe, and the opening position cannot be moved, so that different specifications of wind pipes cannot be opened, the adaptability is low, and the construction efficiency is affected. The present disclosure proposes a structure that is suitable for different specifications and is locked.
[0024] Embodiment 1
[0025] Please refer to Figure 1 A wind pipe opening device, comprising a base 1, the base 1 is a groove-shaped frame, an opening 2 is formed in the middle of the left and right end faces of the base 1, and the opening 2 is a circular hole, a wind pipe 8 is arranged from left to right in the inner cavity of the opening 2, in order to ensure the stability of the wind pipe 8, locking devices 3 are arranged on the upper parts of the left and right panels of the base 1, and the lower parts of the locking devices 3 extend through to the inside of the opening 2.
[0026] Please refer to Figure 1 In order to ensure that the opening position of the air pipe 8 can be changed, a servo motor 4 is fixedly connected to the upper end surface of the right end face of the right side panel of the base 1, and the motor shaft of the servo motor 4 extends through to the inside of the base 1 and is fixedly connected with a lead screw 5, and the lead screw 5 is movably connected to the left end face of the inner cavity of the base 1, and a limiting rod 6 is arranged on the rear side of the lead screw 5, and the left and right end faces of the limiting rod 6 are fixedly connected to the left and right end faces of the inner cavity of the base 1, and a moving frame 7 is sleeved on the outer wall of the lead screw 5 and the limiting rod 6, and an opening device is arranged in the inner cavity of the moving frame 7 in order to facilitate the opening.
[0027] Please refer to Figure 1 In order to ensure the stability of the air pipe 8 and prepare for subsequent opening, a locking device 3 is composed of a hand wheel 31, a first threaded rod 32, a bearing 33 and a locking plate 34, the first threaded rod 32 is arranged through the center of the upper end face of the left and right panels of the base 1, the bearing 33 is fixedly connected to the outer wall of the lower end of the first threaded rod 32, the locking plate 34 is fixedly connected to the lower end face of the outer ring of the bearing 33, and the hand wheel 31 is fixedly connected to the upper end face of the first threaded rod 32, which facilitates the rotation of the first threaded rod 32 by the user, thereby driving the locking plate 34 to ascend and descend.
[0028] Please refer to Figure 1 In order to effectively ensure the fixation of the air pipe 8, the locking plate 34 is in the shape of a circular arc, and rubber pads are bonded to the lower end face of the locking plate 34 to increase the friction and ensure that the air pipe 8 will not rotate during the opening process, thereby effectively improving the opening efficiency.
[0029] Please refer to Figure 3 In order to be able to open the air pipe 8 of different specifications and meet the air pipe 8 of different thicknesses, an opening device is composed of a second threaded rod 9, a handle 10, a driving motor 11, a sliding groove 12, a sliding rod 13 and a drill bit 14, the second threaded rod 9 is arranged through the center of the top end face of the moving frame 7, the driving motor 11 is movably connected to the bottom end of the second threaded rod 9, in order to ensure the stability of the driving motor 11, the moving frame 7 is in the shape of a groove with the opening facing downward, the sliding groove 12 is arranged in the center axis of the left and right end faces of the inner cavity of the moving frame 7, the sliding rod 13 is fixedly connected to the left and right bottom end faces of the driving motor 11, and the distal end of the sliding rod 13 extends to the inside of the sliding groove 12, thereby effectively ensuring the stability of the driving motor 11, the drill bit 14 is fixedly connected to the distal end of the motor shaft of the driving motor 11, and the handle 10 is fixedly connected to the upper end of the second threaded rod 9 in order to facilitate the adjustment of the height of the descent.
[0030] Please refer to Figure 3 In order to ensure the opening speed, the drill bit 14 is in the shape of a circular groove, and serrated protrusions are uniformly fixedly connected to the lower end face of the drill bit 14, thereby effectively improving the opening efficiency.
[0031] Example 2
[0032] Please refer toFigure 3 In order to further ensure the stability of the driving motor 11, the width of the sliding rod 13 matches the width of the sliding groove 12, and the lower end of the sliding groove 12 is provided with a limiting block, which effectively avoids the sliding rod 12 from being separated from the inside of the sliding groove 12.
[0033] Working principle: when in use, the air pipe 8 to be drilled is sequentially passed through the holes 2 from left to right, and the position of the hole is ensured to be inside the base 1. The hand wheel 31 is rotated, the hand wheel 31 drives the first threaded rod 32 to rotate, the first threaded rod 32 drives the locking plate 34 to move downwards, and the locking plate 34 is ensured to be attached to the upper part of the outer wall of the air pipe 8, thereby effectively ensuring the stability of the air pipe 8. The external power supply is connected, the servo motor 4 is started, the servo motor 4 drives the lead screw 5 to rotate, the lead screw 5 is rotated to drive the moving frame 7 to move left and right through the cooperation of the limiting rod 6, the drill bit 14 is ensured to be located directly above the drilling position, the driving motor 11 is started, the driving motor 11 drives the drill bit 14 to rotate, and at the same time, the handle 10 is rotated, the handle 10 drives the second threaded rod 9 to move downwards and rotate, the second threaded rod 9 drives the driving motor 11 to move downwards and contact the air pipe 8, and the drill bit 14 drills the air pipe 8.
[0034] The above description is only the preferred embodiment of the present application and the explanation of the applied technical principles. Those skilled in the art should understand that the scope of the application involved in the present application is not limited to the technical solutions formed by the specific combination of the above technical features, and should also cover other technical solutions formed by the combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the above features are replaced with the technical features disclosed in the present application (but not limited to) having similar functions to form technical solutions.
Claims
1. A duct hole opener comprising a base (1), characterised in that: The left and right end faces of the base (1) are provided with openings (2), the inner cavities of the openings (2) are provided with air pipes (8) from left to right, the upper parts of the left and right panels of the base (1) are provided with locking devices (3), the lower parts of the locking devices (3) extend to the inside of the openings (2), the upper part of the right end face of the right panel of the base (1) is fixedly connected with a servo motor (4), the motor shaft of the servo motor (4) extends to the inside of the base (1) and is fixedly connected with a lead screw (5), the tail end of the lead screw (5) is movably connected to the left end face of the inner cavity of the base (1), the rear side of the lead screw (5) is provided with a limiting rod (6), the outer wall of the lead screw (5) and the limiting rod (6) is sleeved with a moving frame (7), and the inner cavity of the moving frame (7) is provided with an opening device.
2. An air duct perforator according to claim 1 wherein: The locking device (3) comprises a hand wheel (31), a first threaded rod (32), a bearing (33) and a locking plate (34), the upper end faces of the left and right panels of the base (1) are provided with the first threaded rods (32) at the centers, the lower ends of the first threaded rods (32) are fixedly connected with the bearings (33), the outer rings of the bearings (33) are fixedly connected with the locking plates (34) at the lower end faces, and the upper end faces of the first threaded rods (32) are fixedly connected with the hand wheels (31).
3. An air duct perforator according to claim 2 wherein: The locking plate (34) is arc-shaped, and the lower end face of the locking plate (34) is bonded with a rubber pad.
4. An air duct perforator according to claim 1 wherein: The opening device comprises a second threaded rod (9), a handle (10), a driving motor (11), a sliding groove (12), a sliding rod (13) and a drill bit (14), the top end face of the moving frame (7) is provided with the second threaded rod (9) at the center, the bottom end of the second threaded rod (9) is movably connected with the driving motor (11), the inner cavities of the moving frame (7) are provided with the sliding grooves (12) at the center axes of the left and right end faces, the left and right bottom end faces of the driving motor (11) are fixedly connected with the sliding rods (13), the tail ends of the sliding rods (13) extend to the inside of the sliding grooves (12), the tail end of the motor shaft of the driving motor (11) is fixedly connected with the drill bit (14), and the upper end of the second threaded rod (9) is fixedly connected with the handle (10).
5. An air duct perforator according to claim 4 wherein: The drill bit (14) is circular groove-shaped, and the lower end face of the drill bit (14) is fixedly connected with sawtooth-shaped protrusions.
6. An air duct perforator according to claim 4 wherein: The width of the sliding rod (13) matches the width of the sliding groove (12), and the inner bottom end of the sliding groove (12) is provided with a limiting block.
Citation Information
Patent Citations
Pipeline trepanning device for water conservancy construction and trepanning method of pipeline trepanning device
CN114636035A