CN112935336A - Handheld drilling equipment that machining precision is high - Google Patents

Handheld drilling equipment that machining precision is high Download PDF

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Publication number
CN112935336A
CN112935336A CN202110218204.2A CN202110218204A CN112935336A CN 112935336 A CN112935336 A CN 112935336A CN 202110218204 A CN202110218204 A CN 202110218204A CN 112935336 A CN112935336 A CN 112935336A
Authority
CN
China
Prior art keywords
shell
drill rod
shaft
machining precision
transmission shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202110218204.2A
Other languages
Chinese (zh)
Inventor
黄娉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Yiyang Environmental Protection Technology Co ltd
Original Assignee
Nanjing Yiyang Environmental Protection Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Yiyang Environmental Protection Technology Co ltd filed Critical Nanjing Yiyang Environmental Protection Technology Co ltd
Priority to CN202110218204.2A priority Critical patent/CN112935336A/en
Publication of CN112935336A publication Critical patent/CN112935336A/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
    • B23B45/02—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by electric power
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0042—Devices for removing chips
    • B23Q11/005—Devices for removing chips by blowing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0078—Safety devices protecting the operator, e.g. against accident or noise
    • B23Q11/0096—Safety devices protecting the operator, e.g. against accident or noise protecting against noise
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
    • B25H1/0021—Stands, supports or guiding devices for positioning portable tools or for securing them to the work

Abstract

The invention relates to a handheld drilling device with high machining precision, which comprises a handle, a shell, a transmission shaft, a connector and a drill rod, wherein the shell is in a cuboid shape, the handle is fixed on the outer wall of the shell, one side of the shell is provided with a connecting hole, the transmission shaft is perpendicular to one side of the shell, which is provided with the connecting hole, penetrates through the connecting hole, the transmission shaft is in sliding and sealing connection with the inner wall of the connecting hole, the drill rod is positioned outside the shell, the drill rod is arranged at one end of the transmission shaft through the connector, a driving device is arranged in the shell, the driving device is in transmission connection with the transmission shaft, the shell is provided with a control mechanism and a cleaning mechanism, the control mechanism comprises a control assembly and a power assembly, the handheld drilling device with high machining precision improves the machining precision of a blind hole, still realize the function of self-cleaning drilling rod through clean mechanism, improved the convenience.

Description

Handheld drilling equipment that machining precision is high
Technical Field
The invention relates to the field of drilling equipment, in particular to handheld drilling equipment with high machining precision.
Background
The electric hand drill is a drilling tool powered by an alternating current power supply or a direct current battery, and is a handheld electric tool.
After the existing pistol drill is used, more chips can be remained on a drill rod, the cleaning is needed manually, the operation is complex, the convenience is reduced, and moreover, when the pistol drill is used for processing a blind hole, the drilling depth is difficult to control, and the drilling precision is reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the handheld drilling equipment with high machining precision is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a handheld drilling device with high machining precision comprises a handle, a shell, a transmission shaft, a connector and a drill rod, wherein the shell is cuboid in shape, the handle is fixed on the outer wall of the shell, a connection hole is formed in one side of the shell, the transmission shaft is perpendicular to the side, provided with the connection hole, of the shell, penetrates through the connection hole, the transmission shaft slides and is in sealing connection with the inner wall of the connection hole, the drill rod is located outside the shell, the drill rod is installed at one end of the transmission shaft through the connector, a driving device is arranged in the shell and is in transmission connection with the transmission shaft, and a control mechanism and a cleaning mechanism are arranged on the shell;
the control mechanism comprises a control assembly and a power assembly;
the power assembly comprises a rotating disc, a first bearing, a rotating shaft, a screw rod, a sliding block and a limiting block, wherein a mounting hole is formed in one side of the shell far away from the drill rod, the rotating disc, the rotating shaft and the screw rod are coaxially arranged with the transmission shaft, the rotating shaft penetrates through the mounting hole, the rotating shaft is in sliding and sealing connection with the inner wall of the mounting hole, the screw rod is arranged in the shell, the screw rod is fixed at one end of the rotating shaft, the rotating disc is fixed at the other end of the rotating shaft, the rotating disc is attached to one side of the shell, which is provided with the mounting hole, the inner ring of the first bearing is installed on the rotating shaft, the outer ring of the first bearing is fixed on the inner wall of the shell, the sliding block is sleeved on the screw rod, a thread matched with the screw rod is arranged at the connecting part of the, scales are arranged on one side of the shell, which is far away from the drill rod;
the control assembly comprises a support ring and at least two connecting rods, the support ring is coaxially arranged with the rotating shaft, the support ring is positioned on one side of the connector far away from the shell, one end of the drill rod far away from the shell is inserted into the ring hole of the support ring, a gap is arranged between the drill rod and the support ring, the distance between one side of the support ring far away from the shell and the shell is equal to the distance between one end of the drill rod far away from the shell and the shell, at least two guide holes are arranged on one side of the shell body, which is provided with the connecting hole, the guide holes are circumferentially and uniformly distributed by taking the axis of the transmission shaft as the center, the connecting rods correspond to the guide holes one by one, the connecting rods are parallel to the transmission shaft, the connecting rods penetrate through the guide holes, the connecting rod is connected with the inner wall of the guide hole in a sliding and sealing mode, one end of the connecting rod is fixed to one side, close to the shell, of the support ring, and the other end of the connecting rod is fixedly connected with the sliding block;
the cleaning mechanism comprises at least two cleaning components, the cleaning components correspond to the connecting rods one by one, and the cleaning components are positioned on one side of the connecting rods, which is far away from the drill rods;
the cleaning assembly comprises an air pipe, fan blades, a connecting shaft, a second bearing, a connecting wire and a torsion spring, wherein the axis of the air pipe is perpendicular to and intersected with the axis of the transmission shaft, the air pipe is positioned between the supporting ring and the shell, the air pipe is fixed on the supporting ring, a gap is arranged between the air pipe and the shell, the connecting shaft is coaxially arranged with the air pipe, the fan blades are arranged in the air pipe, the air pipe is arranged at one end, close to the drill rod, of the connecting shaft, the inner ring of the second bearing is arranged on the connecting shaft, the outer ring of the second bearing is fixed on the inner wall of the shell, the torsion spring is positioned between the second bearing and the fan blades, the fan blades are connected with the outer ring of the second bearing through the torsion spring, the torsion spring is in a deformation state, the connecting wire is wound on the connecting shaft.
Preferably, the connection line is a steel wire rope in order to improve the reliability of the connection line.
Preferably, the screw is coated with a lubricating oil in order to reduce the frictional force between the slider and the screw.
Preferably, in order to realize buffering and vibration reduction, the limiting block is made of rubber.
Preferably, the rotating disc is provided with anti-slip threads for preventing slipping.
Preferably, in order to reduce the gap between the connecting rod and the inner wall of the guide hole, the inner wall of the guide hole is coated with a sealing grease.
Preferably, for noise reduction, a sound absorbing plate is arranged in the shell.
Preferably, for energy saving, the outer wall of the shell is provided with a photovoltaic panel.
Preferably, in order to prolong the service life of the support ring, the support ring is provided with an anti-corrosion zinc coating.
Preferably, in order to facilitate the installation of the rotating shaft, both ends of the rotating shaft are provided with chamfers.
The handheld drilling equipment with high machining precision has the advantages that the machining precision of blind holes is improved through the control mechanism, compared with the existing control mechanism, the control mechanism can drive the fan blades to rotate through the movement of the support ring, an integrated linkage structure is realized through the control mechanism and the cleaning mechanism, the practicability is higher, moreover, the function of automatically cleaning the drill rod is realized through the cleaning mechanism, the convenience is improved, compared with the existing cleaning mechanism, the cleaning mechanism can improve the heat dissipation effect of the drill rod through the mode of cleaning the drill rod through air flow, and the practicability is higher.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a high-precision handheld drilling apparatus according to the present invention;
FIG. 2 is a cross-sectional view of the high machining precision hand-held drilling apparatus of the present invention;
FIG. 3 is a schematic structural diagram of a power assembly of the high-precision handheld drilling apparatus of the present invention;
FIG. 4 is a schematic diagram of the cleaning assembly of the high-precision handheld drilling apparatus of the present invention;
in the figure: 1. the novel photovoltaic fan blade comprises a handle, a shell, a transmission shaft, a connector, a drill rod, a rotating disc, a first bearing, a rotating shaft, a screw rod, a sliding block, a limiting block, a supporting ring, a connecting rod, an air pipe, a fan blade, a connecting shaft, a second bearing, a connecting wire, a torsion spring, a sound absorption plate and a photovoltaic plate, wherein the shell is 2, the transmission shaft is 3, the connector is 4, the drill rod is 5, the rotating disc is 6, the first bearing is 7, the rotating shaft is 8.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1-3, a handheld drilling device with high machining precision comprises a handle 1, a housing 2, a transmission shaft 3, a connector 4 and a drill rod 5, wherein the housing 2 is cuboid, the handle 1 is fixed on the outer wall of the housing 2, a connecting hole is formed in one side of the housing 2, the transmission shaft 3 is perpendicular to one side of the housing 2, which is provided with the connecting hole, the transmission shaft 3 penetrates through the connecting hole, the transmission shaft 3 is connected with the inner wall of the connecting hole in a sliding and sealing manner, the drill rod 5 is located outside the housing 2, the drill rod 5 is mounted at one end of the transmission shaft 3 through the connector 4, a driving device is arranged in the housing 2, the driving device is connected with the transmission shaft 3 in a transmission manner, and the housing 2 is provided with a;
the control mechanism comprises a control assembly and a power assembly;
the power assembly comprises a rotating disc 6, a first bearing 7, a rotating shaft 8, a lead screw 9, a slider 10 and a limiting block 11, wherein a mounting hole is formed in one side of the shell 2, which is far away from the drill rod 5, the rotating disc 6, the rotating shaft 8 and the lead screw 9 are coaxially arranged with the transmission shaft 3, the rotating shaft 8 penetrates through the mounting hole, the rotating shaft 8 is in sliding and sealing connection with the inner wall of the mounting hole, the lead screw 9 is arranged in the shell 2, the lead screw 9 is fixed at one end of the rotating shaft 8, the rotating disc 6 is fixed at the other end of the rotating shaft 8, the rotating disc 6 is attached to one side, which is provided with the mounting hole, of the shell 2, an inner ring of the first bearing 7 is arranged on the rotating shaft 8, an outer ring of the first bearing 7 is fixed on the inner wall of the shell 2, the slider 10 is sleeved on the lead screw 9, and a, the limiting block 11 is fixed at one end, far away from the rotating shaft 8, of the screw rod 9, the sliding block 10 abuts against the limiting block 11, and scales are arranged on one side, far away from the drill rod 5, of the shell 2;
the control assembly comprises a support ring 12 and at least two connecting rods 13, the support ring 12 is arranged coaxially with the rotating shaft 8, the support ring 12 is positioned on one side of the connector 4 far away from the shell 2, one end of the drill rod 5 far away from the shell 2 is inserted into an annular hole of the support ring 12, a gap is arranged between the drill rod 5 and the support ring 12, the distance between one side of the support ring 12 far away from the shell 2 and the distance between one end of the drill rod 5 far away from the shell 2 and the shell 2 are equal, one side of the shell 2 provided with a connecting hole is provided with at least two guide holes, the guide holes are circumferentially and uniformly distributed by taking the axis of the transmission shaft 3 as a center, the connecting rods 13 are in one-to-one correspondence with the guide holes, the connecting rods 13 are parallel to the transmission shaft 3, the connecting rods 13 penetrate through the guide holes, the connecting rods 13 are in sliding and sealing connection with, the other end of the connecting rod 13 is fixedly connected with the sliding block 10;
during the use of the device, a user holds the handle 1, the transmission shaft 3 is rotated by the driving device, the rotation of the transmission shaft 3 drives the drill rod 5 to rotate through the connector 4, when the drill rod 5 is abutted against the workpiece, drilling can be realized, when the drilled hole is a blind hole, a user rotates the rotating disc 6, namely, the rotating shaft 8 can rotate under the supporting action of the first bearing 7, the rotating shaft 8 drives the screw rod 9 to rotate, thereby the slide block 10 can move on the screw rod 9 towards the direction close to the rotating disc 6, the movement of the slide block 10 drives the supporting ring 12 to rotate through the connecting rod 13, and the moving distance of the supporting ring 12 can be accurately controlled through the scale, in the drilling process, after the support ring 12 is abutted against the workpiece, the depth of the drilled hole can not be deepened, the drilling precision can be improved, and after the drilling is finished, the support ring 12 can be reset by reversely rotating the rotating disc 6.
As shown in fig. 4, the cleaning mechanism comprises at least two cleaning assemblies, the cleaning assemblies correspond to the connecting rods 13 one by one, and the cleaning assemblies are positioned on one side of the connecting rods 13 far away from the drill rod 5;
the cleaning assembly comprises an air pipe 14, fan blades 15, a connecting shaft 16, a second bearing 17, a connecting wire 18 and a torsion spring 19, wherein the axis of the air pipe 14 is perpendicular to and intersected with the axis of the transmission shaft 3, the air pipe 14 is positioned between the supporting ring 12 and the shell 2, the air pipe 14 is fixed on the supporting ring 12, a gap is formed between the air pipe 14 and the shell 2, the connecting shaft 16 and the air pipe 14 are coaxially arranged, the fan blades 15 are arranged in the air pipe 14, the air pipe 14 is arranged at one end, close to the drill rod 5, of the connecting shaft 16, the inner ring of the second bearing 17 is arranged on the connecting shaft 16, the outer ring of the second bearing 17 is fixed on the inner wall of the shell 2, the torsion spring 19 is positioned between the second bearing 17 and the fan blades 15, the fan blades 15 are connected with the outer ring of the second, one end of the connecting wire 18 is fixed on the connecting shaft 16, the other end of the connecting wire 18 is fixedly connected with the outer wall of the shell 2, and the connecting wire 18 is wound on the connecting shaft 16.
When the support ring 12 moves towards the direction close to the shell 2, the connecting wire 18 can be loosened, the fan blades 15 are rotated under the elastic action of the torsion spring 19, the connecting shaft 16 is driven to rotate under the supporting action of the second bearing 17 by the rotation of the fan blades 15, the connecting wire 18 is wound by the connecting shaft 16, when the support ring 12 moves towards the shell 2, the connecting wire 18 can be driven to pull the connecting shaft 16 to rotate reversely, namely, the fan blades 15 can rotate reversely, the air in the air pipe 14 is discharged towards the direction of the drill rod 5 by the reverse rotation of the fan blades 15, under the action of air flow, the residual scraps on the drill rod 5 can be separated from the drill rod 5, the function of automatically cleaning the drill rod 5 is realized, and the convenience is improved.
Preferably, the connection line 18 is a steel wire rope in order to improve the reliability of the connection line 18.
The steel wire rope has the characteristics of high strength, difficulty in breaking and the like, so that the reliability of the connecting wire 18 can be improved.
Preferably, in order to reduce the friction between the slider 10 and the lead screw 9, the lead screw 9 is coated with a lubricating oil.
The lubricating oil is used for reducing the friction force between the sliding block 10 and the screw rod 9 and improving the moving fluency of the sliding block 10.
Preferably, in order to achieve buffering and vibration reduction, the limiting block 11 is made of rubber.
The rubber texture is comparatively soft, can reduce the slider 10 and the stopper 11 and lean on the impact force that produces when leaning on, has realized buffering and damping.
Preferably, the rotating disk 6 is provided with anti-slip threads to prevent slipping.
The anti-slip threads are used for improving the friction force between the hand of a user and the rotating disc 6 and preventing slipping.
Preferably, in order to reduce the gap between the connecting rod 13 and the inner wall of the guide hole, the inner wall of the guide hole is coated with sealing grease.
The sealing grease has the function of reducing the clearance between the connecting rod 13 and the inner wall of the guide hole, and the sealing performance is improved.
Preferably, a sound-absorbing plate 20 is provided in the housing 2 for noise reduction.
The sound-absorbing plate 20 can absorb noise, achieving noise reduction.
Preferably, for energy saving, the outer wall of the housing 2 is provided with a photovoltaic panel 21.
The photovoltaic panel 21 can absorb light rays to perform photovoltaic power generation, and energy conservation is realized.
Preferably, in order to prolong the service life of the support ring 12, the support ring 12 is provided with an anti-corrosion zinc coating.
The function of the anti-corrosion zinc coating is to improve the anti-rust capability of the support ring 12 and prolong the service life of the support ring 12.
Preferably, in order to facilitate the installation of the rotating shaft 8, both ends of the rotating shaft 8 are chamfered.
The chamfer angle is used for reducing the caliber of the rotating shaft 8 when the rotating shaft passes through the mounting hole, and the effect of convenient mounting is achieved.
During the use of the equipment, a user holds the handle 1, the transmission shaft 3 is rotated through the driving device, the rotation of the transmission shaft 3 drives the drill rod 5 to rotate through the connector 4, when the drill rod 5 is abutted to a workpiece, drilling can be realized, when the drilled hole is a blind hole, the user rotates the rotating disc 6, namely, the rotating shaft 8 can rotate under the supporting action of the first bearing 7, the rotating shaft 8 rotates to drive the screw rod 9 to rotate, so that the slide block 10 can move on the screw rod 9 towards the direction close to the rotating disc 6, the movement of the slide block 10 drives the support ring 12 to rotate through the connecting rod 13, the moving distance of the support ring 12 can be accurately controlled through scales, in the drilling process, when the support ring 12 is abutted to the workpiece, the drilling depth cannot be deepened, the drilling precision can be improved, after the drilling is finished, the support ring 12 can be reset by reversely rotating the rotating disc 6, and, when the support ring 12 moves towards the direction close to the housing 2, the connecting wire 18 can be loosened, and the fan blades 15 rotate under the elastic action of the torsion spring 19, the rotation of the fan blades 15 drives the connecting shaft 16 to rotate under the supporting action of the second bearing 17, and the connecting shaft 16 is wound around the connecting wire 18, and when the support ring 12 moves towards the housing 2, the connecting wire 18 can pull the connecting shaft 16 to rotate reversely, that is, the fan blades 15 can rotate reversely, through the reverse rotation of the fan blades 15, the air in the air pipe 14 can be discharged towards the direction of the drill rod 5, and under the action of air flow, the residual scraps on the drill rod 5 can be separated from the drill rod 5, so that the function of automatically cleaning the drill rod 5 is realized, and the convenience is improved.
Compared with the prior art, this hand-held type drilling equipment that machining precision is high has improved the accuracy of blind hole processing through control mechanism, compare with current control mechanism, this control mechanism can also drive flabellum 15 through the removal of support ring 12 and rotate, integral type linkage structure has been realized with clean mechanism, the practicality is stronger, moreover, still realize the function of self-cleaning drilling rod 5 through clean mechanism, the convenience has been improved, compare with current clean mechanism, this clean mechanism passes through the mode of the clean drilling rod 5 of air current, can also promote the radiating effect of drilling rod 5, the practicality is stronger.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (10)

1. A handheld drilling device with high machining precision comprises a handle (1), a shell (2), a transmission shaft (3), a connector (4) and a drill rod (5), the shape of the shell (2) is cuboid, the handle (1) is fixed on the outer wall of the shell (2), one side of the shell (2) is provided with a connecting hole, the transmission shaft (3) is vertical to the side of the shell (2) provided with the connecting hole, the transmission shaft (3) penetrates through the connecting hole, the transmission shaft (3) is connected with the inner wall of the connecting hole in a sliding and sealing way, the drill rod (5) is positioned outside the shell (2), the drill rod (5) is arranged at one end of the transmission shaft (3) through a connector (4), the cleaning machine is characterized in that a control mechanism and a cleaning mechanism are arranged on the shell (2);
the control mechanism comprises a control assembly and a power assembly;
the power assembly comprises a rotating disc (6), a first bearing (7), a rotating shaft (8), a lead screw (9), a sliding block (10) and a limiting block (11), wherein a mounting hole is formed in one side, away from the drill rod (5), of the shell (2), the rotating disc (6), the rotating shaft (8) and the lead screw (9) are coaxially arranged with the transmission shaft (3), the rotating shaft (8) penetrates through the mounting hole, the rotating shaft (8) is connected with the inner wall of the mounting hole in a sliding and sealing mode, the lead screw (9) is arranged in the shell (2), the lead screw (9) is fixed at one end of the rotating shaft (8), the rotating disc (6) is fixed at the other end of the rotating shaft (8), the rotating disc (6) is attached to one side, provided with the mounting hole, of the shell (2), the inner ring of the first bearing (7) is installed on the rotating shaft (8), the outer ring of the first bearing (7) is fixed on the inner wall of the, the sliding block (10) is sleeved on the screw rod (9), a connecting part of the sliding block (10) and the screw rod (9) is provided with a thread matched with the screw rod (9), the limiting block (11) is fixed at one end of the screw rod (9) far away from the rotating shaft (8), the sliding block (10) is abutted against the limiting block (11), and one side of the shell (2) far away from the drill rod (5) is provided with scales;
the control assembly comprises a support ring (12) and at least two connecting rods (13), the support ring (12) and a rotating shaft (8) are coaxially arranged, the support ring (12) is positioned on one side of the connector (4) far away from the shell (2), one end of the drill rod (5) far away from the shell (2) is inserted into an annular hole of the support ring (12), a gap is formed between the drill rod (5) and the support ring (12), the distance between one side of the support ring (12) far away from the shell (2) and the shell (2) is equal to the distance between one end of the drill rod (5) far away from the shell (2) and the shell (2), at least two guide holes are formed in one side of the shell (2) where the connecting holes are formed, the guide holes are circumferentially and uniformly distributed by taking the axis of the driving shaft (3) as the center, the connecting rods (13) correspond to the guide holes one another, and the connecting rods (13) are, the connecting rod (13) penetrates through the guide hole, the connecting rod (13) is connected with the inner wall of the guide hole in a sliding and sealing mode, one end of the connecting rod (13) is fixed to one side, close to the shell (2), of the support ring (12), and the other end of the connecting rod (13) is fixedly connected with the sliding block (10);
the cleaning mechanism comprises at least two cleaning components, the cleaning components correspond to the connecting rods (13) one by one, and the cleaning components are positioned on one side, far away from the drill rod (5), of the connecting rods (13);
the cleaning assembly comprises an air pipe (14), fan blades (15), a connecting shaft (16), a second bearing (17), a connecting wire (18) and a torsion spring (19), the axis of the air pipe (14) is perpendicular to and intersected with the axis of the transmission shaft (3), the air pipe (14) is positioned between the supporting ring (12) and the shell (2), the air pipe (14) is fixed on the supporting ring (12), a gap is arranged between the air pipe (14) and the shell (2), the connecting shaft (16) and the air pipe (14) are coaxially arranged, the fan blades (15) are arranged in the air pipe (14), the air pipe (14) is arranged at one end, close to the drill rod (5), of the connecting shaft (16), the inner ring of the second bearing (17) is arranged on the connecting shaft (16), the outer ring of the second bearing (17) is fixed on the inner wall of the shell (2), and the torsion spring (19) is positioned between the second bearing (17) and the fan blades (15, the fan blade (15) is connected with the outer ring of the second bearing (17) through a torsion spring (19), the torsion spring (19) is in a deformation state, one end of a connecting wire (18) is fixed on the connecting shaft (16), the other end of the connecting wire (18) is fixedly connected with the outer wall of the shell (2), and the connecting wire (18) is wound on the connecting shaft (16).
2. The handheld drilling apparatus with high machining precision as claimed in claim 1, characterized in that the connecting line (18) is a steel wire rope.
3. The handheld drilling device with high machining precision as claimed in claim 1, characterized in that the screw (9) is coated with a lubricating oil.
4. The handheld drilling equipment with high machining precision as claimed in claim 1, characterized in that the material of the limiting block (11) is rubber.
5. The handheld drilling device with high machining precision as claimed in claim 1, characterized in that the rotating disc (6) is provided with anti-slip threads.
6. The handheld drilling apparatus with high machining precision as claimed in claim 1, wherein the inner wall of the guide hole is coated with a sealing grease.
7. The handheld drilling apparatus with high machining precision as claimed in claim 1, characterized in that an acoustic panel (20) is arranged in the housing (2).
8. The handheld drilling device with high machining precision as claimed in claim 1, characterized in that the outer wall of the housing (2) is provided with a photovoltaic panel (21).
9. The handheld drilling device with high machining precision according to claim 1, characterized in that the support ring (12) is provided with an anti-corrosion zinc coating.
10. The handheld drilling apparatus with high machining accuracy according to claim 1, wherein both ends of the rotating shaft (8) are chamfered.
CN202110218204.2A 2021-02-26 2021-02-26 Handheld drilling equipment that machining precision is high Withdrawn CN112935336A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110218204.2A CN112935336A (en) 2021-02-26 2021-02-26 Handheld drilling equipment that machining precision is high

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110218204.2A CN112935336A (en) 2021-02-26 2021-02-26 Handheld drilling equipment that machining precision is high

Publications (1)

Publication Number Publication Date
CN112935336A true CN112935336A (en) 2021-06-11

Family

ID=76246468

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110218204.2A Withdrawn CN112935336A (en) 2021-02-26 2021-02-26 Handheld drilling equipment that machining precision is high

Country Status (1)

Country Link
CN (1) CN112935336A (en)

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Application publication date: 20210611