CN111633238A

CN111633238A - Handheld drilling equipment convenient to operate

Info

Publication number: CN111633238A
Application number: CN202010417495.3A
Authority: CN
Inventors: 广小芳
Original assignee: Guangzhou Miaoyilian Technology Co ltd
Current assignee: Guangzhou Miaoyilian Technology Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2020-09-08

Abstract

The invention relates to a handheld drilling device convenient to operate, which comprises a main body, a handle and a drill rod, wherein the main body is in a cuboid shape, the handle is arranged on the main body, a through hole is arranged on one side of the main body, the drill rod is vertical to the side of the main body, which is provided with the through hole, the drill rod is arranged at one side of the main body, which is provided with the through hole, a driving mechanism is arranged in the main body, a cleaning mechanism is arranged at one side of the main body, which is provided with the handle, the cleaning mechanism is positioned on one side of the handle close to the drill rod, the driving mechanism comprises a driving component and a connecting component, the driving component comprises a driving motor, a transmission shaft, a first bearing and a driving disk, this handheld drilling equipment of simple operation has realized through actuating mechanism that the drive drilling rod rotates and can realize accomodating the function of drilling rod, moreover, has still realized the function of clean drilling rod through clean mechanism.

Description

Handheld drilling equipment convenient to operate

Technical Field

The invention relates to the field of electromechanical equipment, in particular to handheld drilling equipment convenient to operate.

Background

Electromechanical equipment generally refers to machinery, electrical apparatus and electrical automation equipment, wherein a pistol drill is one of electromechanical equipment, an electric hand drill is a drilling tool taking an alternating current power supply or a direct current battery as power, and is one of handheld electric tools, the electric hand drill is the product with the largest sales volume in the electric tool industry, is widely used in the industries of buildings, decoration, furniture and the like, is used for drilling holes or penetrating objects on objects, and is also called as an electric hammer in some industries.

Current pistol drill is after finishing using, receives exogenic action and damages in order to prevent that the drilling rod from, can pull down the drilling rod usually, because its dismouting is comparatively loaded down with trivial details, has reduced the practicality, and so only, the drilling rod on the pistol drill after finishing being equipped with can have the piece, and untimely clearance can influence the accuracy of drilling, and in addition, some piece easily makes the drilling rod corrode.

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 convenient to operate is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: a handheld drilling device convenient to operate comprises a main body, a handle and a drill rod, wherein the main body is in a cuboid shape, the handle is arranged on the main body, a through hole is formed in one side of the main body, the drill rod is perpendicular to one side of the main body, provided with the through hole, the drill rod is arranged on one side of the main body, a driving mechanism is arranged in the main body, a cleaning mechanism is arranged on one side of the main body, provided with the handle, and the cleaning mechanism is located on one side, close to the drill rod, of the handle;

the driving mechanism comprises a driving assembly and a connecting assembly;

the driving assembly comprises a driving motor, a transmission shaft, a first bearing and a driving disc, the driving disc and the transmission shaft are coaxially arranged with the drill rod, the driving disc is fixed at one end, close to the drill rod, of the transmission shaft, the driving motor is in transmission connection with the other end of the transmission shaft, the inner ring of the first bearing is installed on the transmission shaft, and the outer ring of the first bearing and the driving motor are both fixedly connected with the inner wall of the main body;

the connecting assembly comprises a connecting unit and a moving unit, and the connecting unit is positioned between the driving disc and the drill rod;

the connecting unit comprises an auxiliary rod, a connector, a rotating shaft, a locking rod, a movable plate and two second bearings, the connector is installed at one end, close to the main body, of the drill rod, the axis of the rotating shaft is perpendicular to and intersected with the axis of the transmission shaft, the axis of the rotating shaft is parallel to one side, provided with the handle, of the main body, the rotating shaft is located between the connector and the main body, the connector is fixedly connected with the middle end of the rotating shaft, the inner rings of the two second bearings are installed at the two ends of the rotating shaft respectively, the outer ring of the second bearing is fixedly connected with the driving plate, the movable plate is perpendicular to the transmission shaft and located in the main body, the movable plate is arranged at one side, close to the drill rod, of the driving plate, a gap is formed between the movable plate and the driving plate, a blind hole is formed in, one end of the locking rod is fixed on the movable plate, the other end of the locking rod is inserted into the blind hole, the locking rod is matched with the blind hole and is in sliding connection with the inner wall of the blind hole, the auxiliary rod is positioned on one side, close to the drill rod, of the handle and is fixed on one side, provided with the handle, of the main body, the axis of the auxiliary rod is perpendicular to and intersected with the axis of the transmission shaft, a sliding groove is formed in one side, far away from the handle, of the auxiliary rod and matched with the drill rod, the moving unit is arranged on one side, close to the driving disc, of the movable plate, drives the movable plate to move along the axial direction of the transmission shaft, and the driving;

the cleaning mechanism comprises a connecting plate, an air blowing assembly and at least two transmission assemblies, the connecting plate is perpendicular to the transmission shaft and is arranged in the sliding groove, the connecting plate is connected with the inner wall of the sliding groove in a sliding mode, the transmission assemblies are evenly distributed on one side, close to the handle, of the connecting plate along the axial direction of the auxiliary rod, and the air blowing assembly is located between the auxiliary rod and the handle;

the blowing assembly comprises an air pipe, a fixed pipe, an extrusion plate and a sealing plate, the fixed pipe is parallel to the transmission shaft and is fixed on the main body, the extrusion plate and the sealing plate are both vertical to the fixed pipe, the sealing plate is sealed and fixedly connected with one end of the fixed pipe close to the handle, the extrusion plate is arranged in the fixed pipe and is provided with a gap with the sealing plate, the extrusion plate is connected with the inner wall of the fixed pipe in a sliding and sealing manner, one side of the auxiliary rod close to the handle is provided with an air hole, one end of the air pipe is inserted into the air hole, the other end of the air pipe is fixed on the fixed pipe, the air pipe is sealed and fixedly connected with the inner wall of the air hole, the joint of the air pipe and the fixed pipe is positioned between the sealing plate and the extrusion plate, the fixed pipe is communicated with the sliding groove through the air pipe, the side of the extrusion plate far away from the sealing plate is connected with one of the transmission assemblies.

Preferably, in order to drive the sealing plate to move and drive the connecting plate to move towards the direction away from the handle, the transmission assembly comprises a push rod, a first spring, a limiting block and an assembling hole, the assembling hole is formed in the auxiliary rod, the push rod penetrates through the assembling hole and is in sliding connection with the inner wall of the assembling hole, one end of the push rod is fixed on the connecting plate, the limiting block is fixed at the other end of the push rod and is abutted against the auxiliary rod, one side, close to the handle, of the connecting plate is connected with the inner wall, close to one side of the handle, of the sliding groove, through the first spring, and one limiting block is fixedly connected with.

Preferably, in order to realize buffering and vibration reduction, the limiting block is made of rubber.

Preferably, in order to drive the moving plate to move, the moving unit comprises a connecting ring and at least two execution units, the connecting ring is arranged on one side, far away from the drill rod, of the driving plate, the inner diameter of the connecting ring is larger than the diameter of the transmission shaft, the transmission shaft penetrates through the connecting ring, the execution units are circumferentially and uniformly distributed by taking the axis of the transmission shaft as the center, each execution unit comprises a guide rod, a second spring, an electromagnet and a through hole, the through hole is formed in the driving plate, the guide rod is parallel to the transmission shaft and is located between the connecting ring and the moving plate, the guide rod penetrates through the through hole and is in sliding connection with the inner wall of the through hole, one end of the guide rod is fixed on the moving plate, the other end of the guide rod is fixed on the connecting ring, the second spring is located between the connecting ring and the driving plate, the electromagnet is fixedly connected with the inner wall of the main body, and the connecting ring is made of iron.

Preferably, the guide rod is coated with a lubricating oil in order to reduce friction between the guide rod and the inner wall of the through hole.

Preferably, in order to facilitate the insertion of the locking rod into the blind hole, one end of the locking rod, which is far away from the moving plate, is provided with a chamfer.

Preferably, the drive motor is a servo motor in order to increase the drive force of the drive motor.

Preferably, in order to reduce a gap between the inner wall of the stationary pipe and the pressing plate, the inner wall of the stationary pipe is coated with a sealing grease.

Preferably, the handle rows are provided with anti-slip lines in order to prevent slipping.

Preferably, in order to prolong the service life of the driving disc, an anti-corrosion zinc coating is arranged on the driving disc.

The handheld drilling equipment convenient and fast to operate has the advantages that the driving mechanism is used for driving the drill rod to rotate and achieving the function of containing the drill rod, compared with the existing driving mechanism, the driving mechanism does not need to detach the drill rod, the convenience is higher, in addition, the driving mechanism and the cleaning mechanism are used for achieving an integrated linkage mechanism, the practicability is higher, in addition, the function of cleaning the drill rod is achieved through the cleaning mechanism, compared with the existing cleaning mechanism, the cleaning mechanism does not need electric power driving, the environment is more friendly, the energy is saved, in addition, the heat dissipation of the drill rod can be achieved through the effect of air on the drill rod.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of a handheld drilling apparatus of the present invention that is easy to operate;

FIG. 2 is a cross-sectional view of the handheld drilling apparatus of the present invention in operation;

FIG. 3 is a schematic structural view of a connection assembly of the handheld drilling apparatus of the present invention;

FIG. 4 is a schematic structural view of the cleaning mechanism of the handheld drilling apparatus of the present invention;

in the figure: 1. the novel pneumatic power tool comprises a main body, a handle, a drill rod, a driving motor, a transmission shaft, a first bearing, a driving disc, an auxiliary rod, a connector, a rotating shaft, a locking rod, a movable plate, a second bearing, a connecting plate, a gas pipe, a fixed pipe, a pressing plate, a sealing plate, a push rod, a first spring, a first limiting block, a connecting ring, a guide rod, a second spring and an electromagnet, wherein the handle is 2, the drill rod is 3, the driving motor is 4, the transmission shaft is 5, the first bearing is 6, the driving disc is 7, the auxiliary.

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, the handheld drilling equipment convenient to operate comprises a main body 1, a handle 2 and a drill rod 3, wherein the main body 1 is in a cuboid shape, the handle 2 is arranged on the main body 1, a through hole is formed in one side of the main body 1, the drill rod 3 is perpendicular to one side of the main body 1, which is provided with the through hole, the drill rod 3 is arranged on one side of the main body 1, which is provided with the through hole, a driving mechanism is arranged in the main body 1, a cleaning mechanism is arranged on one side of the main body 1, which is provided with the handle 2, and the cleaning mechanism is positioned on one side of the handle 2, which;

the handle 2 is held by a user, drilling can be realized through rotation of the drill rod 3, here, the driving mechanism is arranged to realize rotation of the drill rod 3 and storage of the drill rod 3, and the cleaning mechanism is arranged to realize cleaning of the drill rod 3

As shown in fig. 3, the drive mechanism includes a drive assembly and a connection assembly;

the driving assembly comprises a driving motor 4, a transmission shaft 5, a first bearing 6 and a driving disc 7, the driving disc 7 and the transmission shaft 5 are coaxially arranged with the drill rod 3, the driving disc 7 is fixed at one end, close to the drill rod 3, of the transmission shaft 5, the driving motor 4 is in transmission connection with the other end of the transmission shaft 5, an inner ring of the first bearing 6 is installed on the transmission shaft 5, and an outer ring of the first bearing 6 and the driving motor 4 are both fixedly connected with the inner wall of the main body 1;

the connecting assembly comprises a connecting unit and a moving unit, wherein the connecting unit is positioned between the driving disc 7 and the drill rod 3;

the connecting unit comprises an auxiliary rod 8, a connector 9, a rotating shaft 10, a locking rod 11, a moving plate 12 and two second bearings 13, wherein the connector 9 is installed at one end, close to the main body 1, of the drill rod 3, the axis of the rotating shaft 10 is perpendicular to and intersected with the axis of the transmission shaft 5, the axis of the rotating shaft 10 is parallel to one side, provided with the handle 2, of the main body 1, the rotating shaft 10 is located between the connector 9 and the main body 1, the middle ends of the connector 9 and the rotating shaft 10 are fixedly connected, the inner rings of the two second bearings 13 are respectively installed at two ends of the rotating shaft 10, the outer ring of the second bearing 13 is fixedly connected with the driving plate 7, the moving plate 12 is perpendicular to the transmission shaft 5 and located in the main body 1, the moving plate 12 is arranged at one side, close to the drill rod 3, of the driving plate 7, a gap is arranged between the moving plate, the locking rod 11 and the transmission shaft 5 are coaxially arranged and located between the rotating shaft 10 and the moving plate 12, one end of the locking rod 11 is fixed on the moving plate 12, the other end of the locking rod 11 is inserted into the blind hole, the locking rod 11 is matched with the blind hole and is in sliding connection with the inner wall of the blind hole, the auxiliary rod 8 is located on one side, close to the drill rod 3, of the handle 2 and is fixed on one side, provided with the handle 2, of the main body 1, the axis of the auxiliary rod 8 is perpendicular to and intersected with the axis of the transmission shaft 5, a sliding groove is formed in one side, far away from the handle 2, of the auxiliary rod 8 and is matched with the drill rod 3, the moving unit is arranged on one side, close to the driving disc 7, of the moving plate 12, the moving unit drives the moving plate 12 to move along the axial direction;

the drill rod is started by the driving motor 4, the transmission shaft 5 rotates under the supporting action of the first bearing 6, the driving disc 7 is driven to rotate by the rotation of the transmission shaft 5, the rotation of the driving disc 7 enables the rotation shaft 10 to synchronously rotate through the second bearing 13, the drill rod 3 is driven to rotate by the rotation of the rotation shaft 10 through the connector 9, here, the drill rod 3 can be prevented from being influenced by the rotation of the rotation shaft 10 through the matching between the locking rod 11 and the blind hole, after drilling is finished, the movable plate 12 is driven to move towards the direction close to the driving disc 7 through the connecting unit, the locking rod 11 is driven to be separated from the blind hole by the movement of the movable plate 12, at the moment, a user pushes the drill rod 3, the rotation shaft 10 realizes the rotation under the supporting action of the second bearing 13, meanwhile, the drill rod 3 rotates into the sliding groove, the function of accommodating the, when the device needs to be used again, the drill rod 3 is taken out of the sliding groove and rotated to be coaxial with the transmission shaft 5, and simultaneously, the movable plate 12 drives the locking rod 11 to move towards the direction far away from the driving disc 7 through the connecting unit, and the locking rod 11 is inserted into the blind hole, so that the effect of locking the rotating shaft 10 can be realized.

As shown in fig. 4, the cleaning mechanism comprises a connecting plate 14, an air blowing assembly and at least two transmission assemblies, wherein the connecting plate 14 is perpendicular to the transmission shaft 5 and is arranged in the sliding groove, the connecting plate 14 is in sliding connection with the inner wall of the sliding groove, the transmission assemblies are uniformly distributed on one side of the connecting plate 14 close to the handle 2 along the axial direction of the auxiliary rod 8, and the air blowing assembly is positioned between the auxiliary rod 8 and the handle 2;

the blowing assembly comprises an air pipe 15, a fixed pipe 16, an extrusion plate 17 and a sealing plate 18, the fixed pipe 16 is parallel to the transmission shaft 5 and is fixed on the main body 1, the extrusion plate 17 and the sealing plate 18 are both perpendicular to the fixed pipe 16, the sealing plate 18 is fixedly connected with one end, close to the handle 2, of the fixed pipe 16 in a sealing manner, the extrusion plate 17 is arranged in the fixed pipe 16 and is provided with a gap with the sealing plate 18, the extrusion plate 17 is connected with the inner wall of the fixed pipe 16 in a sliding manner in a sealing manner, one side, close to the handle 2, of the auxiliary rod 8 is provided with an air hole, one end of the air pipe 15 is inserted into the air hole, the other end of the air pipe 15 is fixed on the fixed pipe 16, the air pipe 15 is fixedly connected with the inner wall of the air hole in a sealing manner, the joint of the air pipe 15 and the fixed pipe 16 is positioned between the sealing plate 18 and, the connecting plate 14 is provided with at least four connecting holes which are distributed in a matrix manner, and one side of the extrusion plate 17 far away from the sealing plate 18 is connected with one of the transmission assemblies.

When the drill rod 3 moves in the sliding groove, the drill rod 3 pushes the connecting plate 14 to move towards the direction close to the handle 2, the extrusion plate 17 moves towards the direction close to the sealing plate 18 in the fixing tube 16 through the transmission assembly due to the movement of the connecting plate 14, so that air in the fixing tube 16 can be extruded and discharged from the air tube 15, the air discharged from the air tube 15 flows in the sliding groove, scraps on the drill rod 3 can be separated from the drill rod 3 under the action of air flow, the function of cleaning the drill rod 3 is realized, the effect of applying the air flow to the drill rod 3 can be improved through the connecting hole, after the drill rod 3 is removed from the sliding groove, the connecting plate 14 can be reset through the transmission assembly, and meanwhile, the extrusion plate 17 is reset.

Preferably, in order to drive the sealing plate 18 to move and drive the connecting plate 14 to move towards the direction away from the handle 2, the transmission assembly comprises a push rod 19, a first spring 20, a limit block 21 and an assembling hole, the assembling hole is arranged on the auxiliary rod 8, the push rod 19 passes through the assembling hole and is in sliding connection with the inner wall of the assembling hole, one end of the push rod 19 is fixed on the connecting plate 14, the limit block 21 is fixed at the other end of the push rod 19 and is abutted against the auxiliary rod 8, one side of the connecting plate 14, which is close to the handle 2, is connected with the inner wall of the sliding groove, which is close to the handle 2, through the first spring 20, and one limit block 21 is fixedly connected with the extrusion.

When the connecting plate 14 moves towards the direction close to the handle 2, the movement of the connecting plate 14 drives the limit blocks 21 to synchronously move through the push rod 19, the extrusion plate 17 can be driven to move towards the direction close to the sealing plate 18 in the fixing tube 16 through one of the limit blocks 21, the first spring 20 is compressed, when the drill rod 3 is moved away from the sliding groove and the connecting plate 14 is separated, the connecting plate 14 is reset under the elastic action of the first spring 20, the reset of the connecting plate 14 drives the limit blocks 21 to reset through the push rod 19 and enables the limit blocks 21 to abut against the auxiliary rod 8, and the reset of one of the limit blocks 21 can drive the extrusion plate 17 to reset.

Preferably, in order to achieve buffering and vibration reduction, the limiting block 21 is made of rubber.

The rubber texture is comparatively soft, can reduce stopper 21 and auxiliary rod 8 and lean on the impact force that produces when leaning on, has realized buffering and damping.

Preferably, in order to drive the moving plate 12 to move, the moving unit includes a connecting ring 22 and at least two executing units, the connecting ring 22 is disposed on one side of the driving plate 7 far away from the drill rod 3, the inner diameter of the connecting ring 22 is larger than the diameter of the transmission shaft 5, the transmission shaft 5 passes through the connecting ring 22, the executing units are circumferentially and uniformly distributed by taking the axis of the transmission shaft 5 as the center, the executing units include a guide rod 23, a second spring 24, an electromagnet 25 and a through hole, the through hole is disposed on the driving plate 7, the guide rod 23 is parallel to the transmission shaft 5 and is located between the connecting ring 22 and the moving plate 12, the guide rod 23 passes through the through hole and is slidably connected with the inner wall of the through hole, one end of the guide rod 23 is fixed on the moving plate 12, the other end of the guide rod 23 is fixed, the driving disc 7 is connected with the connecting ring 22 through a second spring 24, the electromagnet 25 is located on one side of the connecting ring 22 far away from the driving disc 7, a gap is formed between the electromagnet 25 and the driving disc 7, the electromagnet 25 is fixedly connected with the inner wall of the main body 1, and the connecting ring 22 is made of iron.

The rotation of the driving disk 7 can drive the moving plate 12 to rotate through the guide rod 23, the rotation of the moving plate 12 drives the locking rod 11 to rotate synchronously with the rotating shaft 10, and when the electromagnet 25 is powered on, a mutual attraction acting force is generated between the iron connecting ring 22 and the electromagnet 25, so that the connecting ring 22 moves towards the direction far away from the driving disk 7, the movement of the connecting ring 22 drives the moving plate 12 to move synchronously through the guide rod 23, namely the locking rod 11 is separated from the blind hole, and simultaneously the second spring 24 is stretched, when the electromagnet 25 is powered off, the connecting ring 22 moves towards the direction close to the driving disk 7 under the elastic action of the second spring 24, the movement of the connecting ring 22 drives the moving plate 12 to move synchronously through the guide rod 23, and the locking rod 11 is abutted against the rotating shaft 10, at the moment, the second spring 24 is still in a stretching state, when the rotating shaft 10 drives the blind hole to be coaxial with the locking, the locking lever 11 can be inserted into the blind hole.

Preferably, the guide rod 23 is coated with a lubricating oil in order to reduce the friction between the guide rod 23 and the inner wall of the through hole.

The lubricating oil has the function of reducing the friction force between the guide rod 23 and the inner wall of the through hole, and the moving fluency of the guide rod 23 is improved.

Preferably, in order to facilitate the insertion of the locking lever 11 into the blind hole, an end of the locking lever 11 away from the moving plate 12 is chamfered.

The chamfer has the effect of reducing the caliber of the locking rod 11 when the locking rod is inserted into the blind hole, so that the locking rod 11 is convenient to be matched with the blind hole.

Preferably, the driving motor 4 is a servo motor in order to increase the driving force of the driving motor 4.

The driving motor 4 has a characteristic of strong overload capability, so that the driving force of the driving motor 4 can be improved.

Preferably, in order to reduce a gap between the inner wall of the fixed tube 16 and the pressing plate 17, the inner wall of the fixed tube 16 is coated with a sealing grease.

The sealing grease functions to reduce the gap between the inner wall of the fixed tube 16 and the pressing plate 17, and improves the sealing property.

Preferably, the handle 2 is provided with anti-slip lines for preventing slipping.

The anti-slip threads are used for improving the friction force between the hands of the user and the handle 2 and preventing slipping.

Preferably, in order to prolong the service life of the driving plate 7, the driving plate 7 is provided with an anti-corrosion zinc coating.

The function of anticorrosive galvanizing coat is to promote the rust-resistant ability of driving-disc 7, prolongs the life of driving-disc 7.

The driving motor 4 is started, the transmission shaft 5 rotates under the supporting action of the first bearing 6, the driving disc 7 is driven to rotate by the rotation of the transmission shaft 5, the rotation of the driving disc 7 enables the rotation shaft 10 to synchronously rotate through the second bearing 13, the rotation of the rotation shaft 10 drives the drill rod 3 to rotate through the connector 9, here, the rotation shaft 10 can be prevented from rotating to influence the drill rod 3 through the matching between the locking rod 11 and the blind hole, after the drilling is finished, the electromagnet 25 is electrified to generate the mutual attraction acting force between the iron connecting ring 22 and the electromagnet 25, so that the connecting ring 22 moves towards the direction far away from the driving disc 7, the moving of the connecting ring 22 drives the moving plate 12 to synchronously move through the guide rod 23, namely, the locking rod 11 can be separated from the blind hole, the second spring 24 is stretched, at the moment, a user pushes the drill rod 3, and the rotation shaft 10 can rotate under the supporting action of the, meanwhile, the drill rod 3 is rotated into the sliding groove, the function of accommodating the drill rod 3 is realized, the drill rod 3 is prevented from being damaged due to external force, and when the drill rod 3 moves in the sliding groove, the drill rod 3 pushes the connecting plate 14 to move towards the direction close to the handle 2, the connecting plate 14 moves to drive the limiting blocks 21 to synchronously move through the push rod 19, the extrusion plate 17 can be driven to move towards the direction close to the sealing plate 18 in the fixed pipe 16 through one limiting block 21, the first spring 20 is compressed at the same time, so that air in the fixed pipe 16 can be extruded and discharged from the air pipe 15, the air discharged from the air pipe 15 flows in the sliding groove, fragments on the drill rod 3 can be separated from the drill rod 3 under the action of air flow, the function of cleaning the drill rod 3 is realized, and the effect of the air flow acting on the drill rod 3 can be improved through the connecting hole;

when the device needs to be used again, the drill rod 3 is taken out of the sliding groove and rotated to be coaxial with the transmission shaft 5, at the moment, the connecting ring 22 can move towards the direction close to the driving disc 7 through the elastic acting force of the second spring 24, the moving of the connecting ring 22 drives the moving plate 12 to move synchronously through the guide rod 23, the locking rod 11 is inserted into the blind hole, the effect of locking the rotating shaft 10 can be achieved, in addition, when the drill rod 3 is moved away from the sliding groove and the connecting plate 14 is separated, the connecting plate 14 is reset under the elastic action of the first spring 20, the reset of the connecting plate 14 drives the limit block 21 to reset through the push rod 19, the limit block 21 is abutted against the auxiliary rod 8, and the reset of one limit block 21 can drive the extrusion plate 17 to reset.

Compared with the prior art, this handheld drilling equipment of simple operation has realized through actuating mechanism that drive drilling rod 3 rotates and can realize accomodating the function of drilling rod 3, compare with current actuating mechanism, this actuating mechanism need not to pull down drilling rod 3, the convenience is higher, and, this actuating mechanism has realized integral type link gear with clean mechanism, the practicality is stronger, moreover, still realized the function of clean drilling rod 3 through clean mechanism, compare with current clean mechanism, this clean mechanism need not electric drive, environmental protection and energy saving more, and on using drilling rod 3 through the air, can also realize the heat dissipation to drilling rod 3.

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

1. The handheld drilling equipment convenient to operate comprises a main body (1), a handle (2) and a drill rod (3), wherein the main body (1) is cuboid in shape, the handle (2) is arranged on the main body (1), a through hole is formed in one side of the main body (1), the drill rod (3) is perpendicular to one side, provided with the through hole, of the main body (1), the drill rod (3) is arranged on one side, provided with the through hole, of the main body (1), and the handheld drilling equipment is characterized in that a driving mechanism is arranged in the main body (1), a cleaning mechanism is arranged on one side, provided with the handle (2), of the main body (1), and the cleaning mechanism is located on one side, close to the drill rod (3), of the handle (2);

the driving mechanism comprises a driving assembly and a connecting assembly;

the driving assembly comprises a driving motor (4), a transmission shaft (5), a first bearing (6) and a driving disc (7), the driving disc (7) and the transmission shaft (5) are coaxially arranged with the drill rod (3), the driving disc (7) is fixed at one end, close to the drill rod (3), of the transmission shaft (5), the driving motor (4) is in transmission connection with the other end of the transmission shaft (5), an inner ring of the first bearing (6) is installed on the transmission shaft (5), and an outer ring of the first bearing (6) and the driving motor (4) are both fixedly connected with the inner wall of the main body (1);

the connecting assembly comprises a connecting unit and a moving unit, wherein the connecting unit is positioned between the driving disc (7) and the drill rod (3);

the connecting unit comprises an auxiliary rod (8), a connector (9), a rotating shaft (10), a locking rod (11), a moving plate (12) and two second bearings (13), wherein the connector (9) is installed at one end, close to the main body (1), of the drill rod (3), the axis of the rotating shaft (10) is perpendicular to and intersected with the axis of the transmission shaft (5), the axis of the rotating shaft (10) is parallel to one side, provided with the handle (2), of the main body (1), the rotating shaft (10) is located between the connector (9) and the main body (1), the connector (9) is fixedly connected with the middle end of the rotating shaft (10), the inner rings of the two second bearings (13) are respectively installed at two ends of the rotating shaft (10), the outer ring of the second bearing (13) is fixedly connected with the driving disc (7), the moving plate (12) is perpendicular to the transmission shaft (5) and located in the main body (1), the movable plate (12) is arranged on one side, close to the drill rod (3), of the driving plate (7), a gap is formed between the movable plate (12) and the driving plate (7), a blind hole is formed in one side, close to the driving plate (7), of the rotating shaft (10), the locking rod (11) and the transmission shaft (5) are coaxially arranged and located between the rotating shaft (10) and the movable plate (12), one end of the locking rod (11) is fixed on the movable plate (12), the other end of the locking rod (11) is inserted into the blind hole, the locking rod (11) is matched with the blind hole and is in sliding connection with the inner wall of the blind hole, the auxiliary rod (8) is located on one side, close to the drill rod (3), of the handle (2) and is fixed on one side, provided with the handle (2), of the main body (1), the axis of the auxiliary rod (8) is perpendicular to and intersected with the axis of the transmission shaft (5), a sliding groove is formed in one side, the sliding groove is matched with the drill rod (3), the moving unit is arranged on one side, close to the driving disc (7), of the moving plate (12), the moving unit drives the moving plate (12) to move along the axial direction of the transmission shaft (5), and the driving disc (7) is connected with the moving plate (12) through the moving unit;

the cleaning mechanism comprises a connecting plate (14), an air blowing assembly and at least two transmission assemblies, wherein the connecting plate (14) is perpendicular to the transmission shaft (5) and is arranged in a sliding groove, the connecting plate (14) is in sliding connection with the inner wall of the sliding groove, the transmission assemblies are uniformly distributed on one side, close to the handle (2), of the connecting plate (14) along the axial direction of the auxiliary rod (8), and the air blowing assembly is positioned between the auxiliary rod (8) and the handle (2);

the blowing assembly comprises an air pipe (15), a fixed pipe (16), an extrusion plate (17) and a sealing plate (18), the fixed pipe (16) is parallel to the transmission shaft (5) and is fixed on the main body (1), the extrusion plate (17) and the sealing plate (18) are perpendicular to the fixed pipe (16), the sealing plate (18) is hermetically and fixedly connected with one end, close to the handle (2), of the fixed pipe (16), the extrusion plate (17) is arranged in the fixed pipe (16) and is provided with a gap with the sealing plate (18), the extrusion plate (17) is slidably and hermetically connected with the inner wall of the fixed pipe (16), one side, close to the handle (2), of the auxiliary rod (8) is provided with an air hole, one end of the air pipe (15) is inserted into the air hole, the other end of the air pipe (15) is fixed on the fixed pipe (16), the air pipe (15) is hermetically and fixedly connected with the inner wall of the air hole, the connecting part of the air pipe (15) and the fixed pipe (16) is positioned between the sealing plate (18) and the extrusion plate (17), the fixed pipe (16) is communicated with the sliding groove through the air pipe (15), the connecting plate (14) is provided with at least four connecting holes, the connecting holes are distributed in a matrix manner, and one side of the extrusion plate (17) far away from the sealing plate (18) is connected with one of the transmission assemblies.

2. The handheld drilling device convenient to operate is characterized in that the transmission assembly comprises a push rod (19), a first spring (20), limiting blocks (21) and assembly holes, the assembly holes are formed in the auxiliary rod (8), the push rod (19) penetrates through the assembly holes and is in sliding connection with the inner walls of the assembly holes, one end of the push rod (19) is fixed to the connecting plate (14), the limiting blocks (21) are fixed to the other end of the push rod (19) and abut against the auxiliary rod (8), one side, close to the handle (2), of the connecting plate (14) is connected with the inner wall, close to the handle (2), of the sliding groove through the first spring (20), and one limiting block (21) is fixedly connected with the extrusion plate (17).

3. The handheld drilling device convenient to operate according to claim 2, wherein the limiting block (21) is made of rubber.

4. The handheld drilling device convenient to operate and fast to operate as claimed in claim 1, wherein the moving unit comprises a connecting ring (22) and at least two execution units, the connecting ring (22) is arranged on one side, away from the drill rod (3), of the driving disc (7), the inner diameter of the connecting ring (22) is larger than the diameter of the transmission shaft (5), the transmission shaft (5) penetrates through the connecting ring (22), the execution units are circumferentially and uniformly distributed by taking the axis of the transmission shaft (5) as a center, the execution units comprise guide rods (23), second springs (24), electromagnets (25) and through holes, the through holes are arranged on the driving disc (7), the guide rods (23) are parallel to the transmission shaft (5) and located between the connecting ring (22) and the moving plate (12), and the guide rods (23) penetrate through the through holes and are in sliding connection with the inner walls of the through holes, one end of the guide rod (23) is fixed on the moving plate (12), the other end of the guide rod (23) is fixed on the connecting ring (22), the second spring (24) is located between the connecting ring (22) and the driving disc (7), the driving disc (7) is connected with the connecting ring (22) through the second spring (24), the electromagnet (25) is located on one side, away from the driving disc (7), of the connecting ring (22) and is provided with a gap with the driving disc (7), the electromagnet (25) is fixedly connected with the inner wall of the main body (1), and the connecting ring (22) is made of iron.

5. Portable handheld drilling device according to claim 4, characterized in that the guide rod (23) is coated with a lubricating oil.

6. Hand-held drilling device for facilitating handling according to claim 1, characterised in that the end of the locking lever (11) remote from the moving plate (12) is chamfered.

7. Hand-held drilling device according to claim 1, characterised in that the drive motor (4) is a servo motor.

8. The portable handheld drilling apparatus according to claim 1, wherein the inner wall of the stationary tube (16) is coated with a sealing grease.

9. Hand-held drilling device according to claim 1, characterised in that the rows of handles (2) are provided with anti-slip threads.

10. The hand-held drilling device convenient to operate according to claim 1, characterized in that the drive plate (7) is provided with an anti-corrosion zinc coating.