CN111570864A - Safe type hand-held type electric drilling tool - Google Patents
Safe type hand-held type electric drilling tool Download PDFInfo
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- CN111570864A CN111570864A CN202010487669.3A CN202010487669A CN111570864A CN 111570864 A CN111570864 A CN 111570864A CN 202010487669 A CN202010487669 A CN 202010487669A CN 111570864 A CN111570864 A CN 111570864A
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
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Abstract
The invention relates to a safe handheld electric drilling tool, which comprises a main body, a handle, a drill rod, a connector, a transmission shaft and a bearing, wherein the main body is in a cuboid shape, the handle is fixed on the main body, one side of the main body is provided with a mounting hole, the transmission shaft penetrates through the mounting hole, the transmission shaft is in sliding and sealing connection with the inner wall of the mounting hole, a driving device is arranged in the main body and is in transmission connection with one end of the transmission shaft, the drill rod is arranged at the other end of the transmission shaft through the connector, a gap is arranged between the connector and the main body, the bearing is positioned in the main body, one side of the main body, which is close to the drill rod, is provided with a connecting mechanism and an auxiliary mechanism, the safe handheld electric drilling tool realizes the function of cleaning the drill rod through the connecting mechanism, not only is the safety, the drill rod is prevented from being replaced in a rotating state to cause damage to a human body.
Description
Technical Field
The invention relates to the field of electric tools, in particular to a safe handheld electric drilling tool.
Background
The electric drill is a drilling tool powered by an alternating current power supply or a direct current battery, and is a handheld electric tool.
The piece can be remained on the drilling rod to current pistol drill the drilling back that finishes, has not only reduced the clean and tidy nature of drilling rod, still easily makes the drilling rod rust, moreover, when needs change drilling rod, when the drilling rod does not stop rotating completely, easily makes change personnel be injured, has reduced the security.
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, a safe handheld electric drilling tool is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a safe handheld electric drilling tool comprises a main body, a handle, a drilling rod, a connector, a transmission shaft and a bearing, wherein the main body is cuboid, the handle is fixed on the main body, one side of the main body is provided with a mounting hole, the transmission shaft penetrates through the mounting hole, the transmission shaft is in sliding and sealing connection with the inner wall of the mounting hole, a driving device is arranged in the main body and is in transmission connection with one end of the transmission shaft, the drilling rod is installed at the other end of the transmission shaft through the connector, a gap is formed between the connector and the main body, the bearing is located in the main body, an inner ring of the bearing is installed on the transmission shaft, an outer ring of the bearing is fixed on the inner wall of the main body, and one side, close to the drilling rod, of the main body;
the connecting mechanism comprises a fixed pipe, a fixed ring, a moving ring, three first magnet blocks and three connecting assemblies, wherein the fixed pipe, the fixed ring and the moving ring are coaxially arranged with the transmission shaft, one end of the fixed pipe is abutted against and is in sealing connection with the main body, the fixed ring is sealed and is in fixed connection with the other end of the fixed pipe, the connector is positioned in the fixed pipe, the inner diameter of the fixed ring is larger than the diameter of the drill rod, the moving ring is arranged in the fixed pipe and is positioned between the connector and the main body, the moving ring is in sliding and sealing connection with the inner wall of the fixed pipe, the transmission shaft penetrates through the moving ring, the moving ring is in sliding and sealing connection with the transmission shaft, a gap is arranged between the moving ring and the main body, the first magnet blocks are uniformly fixed on the outer wall of the fixed pipe by taking the axis of the transmission shaft as, the main body is made of iron, and the connecting assembly is arranged in the fixed pipe and positioned on one side of the moving ring, which is far away from the main body;
the connecting assembly comprises a second magnet block, a sliding block, a guide rod, a spring and a first connecting rod, the axis of the guide rod is perpendicular to and intersected with the axis of the transmission shaft, one end of the guide rod is fixed on the transmission shaft, the second magnet block is fixed at the other end of the guide rod, the sliding block is sleeved on the guide rod and is abutted against the transmission shaft, the spring is positioned between the second magnet block and the sliding block, the sliding block is connected with the first magnet block through the spring, the sliding block is made of iron, the sliding block is hinged to the moving ring through the first connecting rod, the first connecting rod is arranged in an inclined mode, and the distance between one end, close to the sliding block, of the first connecting rod and the transmission shaft is smaller than the distance between the other end of;
the auxiliary mechanism comprises three auxiliary components, and the auxiliary components correspond to the first magnet blocks one by one;
the auxiliary assembly comprises an air pipe, a connecting pipe, a sealing disc, an extrusion disc, two second connecting rods and two second locking rods, wherein the connecting pipe is arranged on the first magnet block and is parallel to the fixed pipe, the connecting pipe, the sealing disc and the extrusion disc are coaxially arranged with the connecting pipe, the connecting pipe penetrates through the connecting hole and is in sliding connection with the inner wall of the connecting hole, one end of the connecting pipe is in sealing and fixed connection with the inner wall of the main body, the sealing disc is in sealing and fixed connection with the other end of the connecting pipe, the sealing disc is positioned on one side of the first magnet block, which is far away from the main body, the diameter of the sealing disc is equal to the outer diameter of the connecting pipe, one end, which is close to the main body, of the connecting pipe is communicated with one end, which is close to the main body, of the connecting, the axis of check lock lever is perpendicular and crossing with the axis of connecting pipe, check lock lever and check lock hole one-to-one, the one end of keeping away from the connecting pipe axis of check lock lever insert the check lock hole and with the inner wall sliding connection in check lock hole, the distance between check lock lever and the main part equals with the distance between the main part of keeping away from one side of main part of first magnet piece, the extrusion dish sets up in the connecting pipe and is located one side that is close to the main part of check lock lever, the inner wall slip and sealing connection of extrusion dish and connecting pipe, second connecting rod and check lock lever one-to-one, the one end that is close to the connecting pipe of check lock lever is articulated with the extrusion dish through the second connecting rod, the distance between the other end that is close to the extrusion dish of second connecting rod and the connecting pipe axis is less than the distance between the other end of second connecting rod.
Preferably, in order to reduce a gap between the inner wall of the connection pipe and the pressing plate, the inner wall of the connection pipe is coated with a sealing grease.
Preferably, the guide bar is coated with a lubricating oil in order to reduce friction between the slider and the guide bar.
Preferably, in order to facilitate the installation of the sliding block, chamfers are arranged at two ends of the guide rod.
Preferably, in order to realize the rotation of the transmission shaft, the driving device comprises a driving motor, a driving gear and a driven gear, the driving motor is fixed on the inner wall of the main body and is in transmission connection with the driving gear, the driven gear is installed on the transmission shaft, and the driving gear is meshed with the driven gear.
Preferably, the drive motor is a servo motor in order to increase the drive force of the drive motor.
Preferably, the handle is provided with anti-slip threads to avoid slipping.
Preferably, for noise reduction, the fixing ring is an acoustic panel.
Preferably, for energy conservation, a photovoltaic panel is arranged on the main body.
Preferably, in order to improve the heat dissipation effect of the drill rod, three refrigeration rods are arranged in the fixed pipe, and the refrigeration rods correspond to the sliding blocks one to one and are fixed on one side, close to the main body, of the fixed ring.
The safety handheld electric drilling tool has the advantages that the function of cleaning the drill rod is achieved through the connecting mechanism, compared with the existing connecting mechanism, the connecting mechanism can achieve heat dissipation of the drill rod, the practicability is higher, the safety is improved through the auxiliary mechanism, the drill rod is prevented from being replaced in a rotating state to damage a human body, compared with the existing auxiliary mechanism, the auxiliary mechanism and the connecting mechanism achieve an integrated linkage structure, 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 view of a safety hand-held power drill tool of the present invention;
FIG. 2 is a schematic structural view of the coupling mechanism of the safety hand-held power drill of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1;
FIG. 4 is a schematic structural view of the auxiliary components of the safety hand-held power drill of the present invention;
FIG. 5 is a schematic structural view of a drive assembly of the safety hand-held power drill of the present invention;
in the figure: 1. the automatic refrigerating device comprises a main body, a handle, a drill rod, a connector, a transmission shaft, a bearing, a fixed pipe, a fixed ring, a movable ring, a magnet block, a spring, a connecting rod, a guide rod, a spring, a connecting rod, a connecting pipe, a sealing disk, a spring, a pressing disk, a spring.
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. 1-2, a safety type hand-held electric drilling tool comprises a main body 1, a handle 2, a drill rod 3, a connector 4, a transmission shaft 5 and a bearing 6, the main body 1 is cuboid, the handle 2 is fixed on the main body 1, one side of the main body 1 is provided with a mounting hole, the transmission shaft 5 penetrates through the mounting hole, the transmission shaft 5 is connected with the inner wall of the mounting hole in a sliding and sealing way, a driving device is arranged in the main body 1 and is in transmission connection with one end of a transmission shaft 5, the drill rod 3 is arranged at the other end of the transmission shaft 5 through a connector 4, a gap is arranged between the connector 4 and the main body 1, the bearing 6 is positioned in the main body 1, the inner ring of the bearing 6 is arranged on the transmission shaft 5, the outer ring of the bearing 6 is fixed on the inner wall of the main body 1, and a connecting mechanism and an auxiliary mechanism are arranged on one side of the main body 1 close to the drill rod 3;
the connecting mechanism comprises a fixed pipe 7, a fixed ring 8, a moving ring 9, three first magnet blocks 10 and three connecting assemblies, wherein the fixed pipe 7, the fixed ring 8 and the moving ring 9 are coaxially arranged with a transmission shaft 5, one end of the fixed pipe 7 is abutted against and hermetically connected with a main body 1, the other end of the fixed ring 8 and the fixed pipe 7 is hermetically and fixedly connected, a connector 4 is positioned in the fixed pipe 7, the inner diameter of the fixed ring 8 is larger than the diameter of a drill rod 3, the moving ring 9 is arranged in the fixed pipe 7 and is positioned between the connector 4 and the main body 1, the moving ring 9 is slidably and hermetically connected with the inner wall of the fixed pipe 7, the transmission shaft 5 penetrates through the moving ring 9, the moving ring 9 is slidably and hermetically connected with the transmission shaft 5, a gap is arranged between the moving ring 9 and the main body 1, the first magnet blocks 10 are uniformly fixed on the outer wall of the fixed pipe 7 by taking the axis of the transmission shaft 5 as, the first magnet block 10 abuts against the main body 1, the main body 1 is made of iron, and the connecting assembly is arranged in the fixed pipe 7 and located on one side, far away from the main body 1, of the moving ring 9;
the connecting assembly comprises a second magnet block 11, a sliding block 12, a guide rod 13, a spring 14 and a first connecting rod 15, wherein the axis of the guide rod 13 is perpendicular to and intersected with the axis of the transmission shaft 5, one end of the guide rod 13 is fixed on the transmission shaft 5, the second magnet block 11 is fixed at the other end of the guide rod 13, the sliding block 12 is sleeved on the guide rod 13 and is abutted against the transmission shaft 5, the spring 14 is positioned between the second magnet block 11 and the sliding block 12, the sliding block 12 is connected with the first magnet block 10 through the spring 14, the sliding block 12 is made of iron, the sliding block 12 is hinged with the moving ring 9 through a first connecting rod 15, the first connecting rod 15 is obliquely arranged, and the distance between one end of the first connecting rod 15, which is close to the sliding block 12, and the transmission shaft 5 is smaller than the distance between the other end of the first connecting;
a user holds the handle 2 by hand, the transmission shaft 5 rotates under the supporting action of the bearing 6 through the driving device, the rotation of the transmission shaft 5 drives the drill rod 3 to rotate through the connector 4 to realize drilling, during the drilling, the mutual attraction acting force is generated between the first magnet block 10 and the iron main body 1, so that the fixed pipe 7 and the main body 1 can keep a relative static position relation, in addition, the rotation of the transmission shaft 5 drives the slide block 12 to realize synchronous rotation through the guide rod 13, the slide block 12 moves towards the direction far away from the transmission shaft 5 under the action of centrifugal force, the spring 14 is compressed, meanwhile, the distance between the second magnet block 11 and the slide block 12 is reduced, the mutual attraction acting force is generated between the second magnet block 11 and the iron slide block 12, the acting force is more than and is in direct proportion to the distance, so that the moving speed of the slide block 12 towards the direction far away from, and the movement of the slide block 12 drives the moving ring 9 to move towards the direction close to the main body 1 through the first connecting rod 15, so that the air outside the fixed pipe 7 is conveyed into the fixed pipe 7 from the through hole, after the rotation of the transmission shaft 5 is stopped, the slide block 12 is reset under the elastic action of the spring 14, the reset of the slide block 12 drives the moving ring 9 to reset through the first connecting rod 15, so that the air in the fixed pipe 7 can be discharged from the through hole and act on the drill rod 3, the scraps on the drill rod 3 can be separated from the drill rod 3 under the action of the air flow, and the effect of cleaning the drill rod 3 is realized, wherein during the movement of the slide block 12 towards the transmission shaft 5, and when the elastic acting force of the spring 14 on the slide block 12 is greater than the attractive force between the second magnet block 11 and the slide block 12, the slide block 12 can be quickly moved towards the direction close to the transmission shaft 5, namely the speed of the slide block 12 towards, and then can improve the velocity of flow of air on using drilling rod 3 from the through-hole, and then can promote the clean effect of piece on the drilling rod 3 to, can also realize the heat dissipation to drilling rod 3 under the effect of air current.
As shown in fig. 3 to 4, the auxiliary mechanism includes three auxiliary components, which are in one-to-one correspondence with the first magnet blocks 10;
the auxiliary assembly includes trachea 16, connecting pipe 17, sealed dish 18, extrusion disc 19, two second connecting rods 20 and two check lock poles 21, be equipped with the connecting hole on the first magnet piece 10, connecting pipe 17 is parallel with fixed pipe 7, connecting hole, sealed dish 18 and extrusion disc 19 all with the coaxial setting of connecting pipe 17, connecting pipe 17 pass the connecting hole and with the inner wall sliding connection of connecting hole, the one end of connecting pipe 17 and the inner wall of main part 1 are sealed and fixed connection, sealed dish 18 and the other end of connecting pipe 17 are sealed and fixed connection, sealed dish 18 is located one side of keeping away from main part 1 of first magnet piece 10, the diameter of sealed dish 18 equals with the external diameter of connecting pipe 17, the one end that is close to main part 1 of connecting pipe 17 passes through trachea 16 and the one end intercommunication that is close to main part 1 of fixed pipe 7, be equipped with two check lock holes on the connecting pipe 17, the axis of locking hole use connecting pipe 17 is central circumference evenly distributed, the axis of locking lever 21 is perpendicular and crossing with the axis of connecting pipe 17, locking lever 21 and locking hole one-to-one, the one end of keeping away from the connecting pipe 17 axis of locking lever 21 inserts locking hole and with the inner wall sliding connection in locking hole, the distance between locking lever 21 and main part 1 equals with the distance between one side of keeping away from main part 1 and main part 1 of first magnet piece 10, extrusion disc 19 sets up in connecting pipe 17 and is located one side that is close to main part 1 of locking lever 21, extrusion disc 19 slides and sealing connection with the inner wall of connecting pipe 17, second connecting rod 20 and locking lever 21 one-to-one, the one end that is close to connecting pipe 17 of locking lever 21 is articulated with extrusion disc 19 through second connecting rod 20, the distance between the one end that is close to extrusion disc 19 of second connecting rod 20 and the connecting pipe 17 axis is less than the other end of second connecting rod 20 and connecting pipe 17 axis The distance between them.
When the drill rod 3 needs to be replaced, the fixed pipe 7 is moved towards the direction far away from the main body 1, during the period, the first magnet block 10 is moved on the connecting pipe 17, the connector 4 is separated from the fixed pipe 7, then, the drill rod 3 is taken down from the connector 4, a new drill rod 3 can be replaced, during the period that the moving ring 9 moves towards the direction close to the main body 1, air in the fixed pipe 7 is conveyed into the connecting pipe 17 through the air pipe 16, the air pressure in the connecting pipe 17 is increased, the extrusion disc 19 is moved towards the direction far away from the main body 1 under the action of the air pressure, the movement of the extrusion disc 19 drives the locking rod 21 to move towards the direction far away from the axis of the connecting pipe 17 through the second connecting rod 20, and the end of the locking rod 21 far away from the connecting pipe 17 is moved out of the connecting pipe 17 and is abutted against the first magnet block 10, so that the first magnet block 10 can be prevented from being separated from the connecting pipe 17, prevent that drilling rod 3 from making first magnet 10 and connecting pipe 17 separation at the rotation in-process to can avoid drilling rod 3 to change when the rotating condition and cause the injury to the human body, the security has been improved, when shift ring 9 resets, make the air in the connecting pipe 17 carry to fixed pipe 7 in from trachea 16, and make the atmospheric pressure in the connecting pipe 17 reduce, make extrusion disc 19 reset under the effect of atmospheric pressure, the resetting of extrusion disc 19 drives check lock lever 21 through second connecting rod 20 and resets.
Preferably, in order to reduce the gap between the inner wall of the connection pipe 17 and the pressing plate 19, the inner wall of the connection pipe 17 is coated with a sealing grease.
The sealing grease has the function of reducing the gap between the inner wall of the connecting pipe 17 and the extrusion disc 19, and the sealing performance is improved.
Preferably, the guide rod 13 is coated with a lubricating oil in order to reduce the friction between the slider 12 and the guide rod 13.
The lubricating oil has the function of reducing the friction force between the sliding block 12 and the guide rod 13, and the moving fluency of the sliding block 12 is improved.
Preferably, both ends of the guide rod 13 are chamfered to facilitate the installation of the slider 12.
The chamfer serves to reduce the diameter of the guide rod 13 when passing through the slider 12, and has the effect of facilitating installation.
As shown in fig. 5, the driving device includes a driving motor 22, a driving gear 23, and a driven gear 24, the driving motor 22 is fixed on the inner wall of the main body 1 and is in transmission connection with the driving gear 23, the driven gear 24 is installed on the transmission shaft 5, and the driving gear 23 is engaged with the driven gear 24.
The driving motor 22 is started to rotate the driving gear 23, the rotation of the driving gear 23 drives the driven gear 24 to rotate, and the rotation of the driven gear 24 drives the transmission shaft 5 to rotate under the supporting effect of the bearing 6.
Preferably, the driving motor 22 is a servo motor in order to increase the driving force of the driving motor 22.
The servo motor has a characteristic of strong overload capability, so that the driving force of the driving motor 22 can be improved.
Preferably, the handle 2 is provided with anti-slip threads to avoid 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, the fixing ring 8 is a sound absorbing plate for noise reduction.
The sound absorption plate is used for absorbing noise generated in the drilling process, and noise reduction is achieved.
Preferably, a photovoltaic panel 25 is provided on the main body 1 for energy saving.
The photovoltaic panel 25 can absorb light to realize photovoltaic power generation, generated energy can be provided for the tool to use, and energy conservation is realized.
Preferably, in order to improve the heat dissipation effect of the drill rod 3, three refrigeration rods 26 are arranged in the fixed pipe 7, and the refrigeration rods 26 are in one-to-one correspondence with the sliding blocks 12 and are fixed on one side, close to the main body 1, of the fixed ring 8.
The function of the cooling rod 26 is to reduce the temperature of the air in the fixed pipe 7, so that the heat dissipation effect of the drill rod 3 can be improved.
When the drill rod 3 needs to be replaced, the fixed pipe 7 moves towards the direction away from the main body 1, during the period, the first magnet block 10 moves on the connecting pipe 17, the connector 4 is separated from the fixed pipe 7, then the drill rod 3 is taken down from the connector 4, a new drill rod 3 can be replaced, during the use period of the tool, a user holds the handle 2 by hands, the driving motor 22 is started, the driving gear 23 rotates, the rotation of the driving gear 23 drives the driven gear 24 to rotate, the rotation of the driven gear 24 drives the transmission shaft 5 to rotate under the supporting action of the bearing 6, the rotation of the transmission shaft 5 drives the drill rod 3 to rotate through the connector 4 to realize drilling, during the period, the mutual attraction acting force is generated between the first magnet block 10 and the iron main body 1, so that the fixed pipe 7 and the main body 1 can keep a relatively static position relation, and the rotation of the transmission shaft 5 drives the sliding block 12 to realize synchronous rotation through the guide rod 13, the slider 12 moves towards the direction far away from the transmission shaft 5 under the action of centrifugal force, and the spring 14 is compressed, and at the same time, the distance between the second magnet block 11 and the slider 12 is reduced, and because the second magnet block 11 and the iron slider 12 generate the mutually-attracted acting force, and the acting force is greater than the direct proportion of the distance, so that the speed of the slider 12 moving towards the direction far away from the transmission shaft 5 can be increased, and the movement of the slider 12 drives the moving ring 9 to move towards the direction close to the main body 1 through the first connecting rod 15, so that the air outside the fixed pipe 7 is conveyed into the fixed pipe 7 from the through hole, and moves towards the direction close to the main body 1 through the moving ring 9, so that the air in the fixed pipe 7 is conveyed into the connecting pipe 17 through the air pipe 16, and the air pressure in the connecting pipe 17 is increased, the extrusion disc 19 moves towards the direction far away from the main body 1 under the action of air pressure, and the movement of the extrusion disc 19 The end, far away from the connecting pipe 17, of the locking rod 21 moves out of the connecting pipe 17 and abuts against the first magnet block 10, so that the first magnet block 10 can be prevented from being separated from the connecting pipe 17, the function of locking the first magnet block 10 is achieved, the first magnet block 10 is prevented from being separated from the connecting pipe 17 in the rotating process of the drill rod 3, the drill rod 3 can be prevented from being damaged to a human body due to replacement in the rotating state, and the safety is improved;
after the tool is used, the transmission shaft 5 stops rotating, the sliding block 12 is reset under the elastic action of the spring 14, the sliding block 12 is reset through the first connecting rod 15 to drive the moving ring 9 to reset, so that air in the fixed pipe 7 can be discharged from the through hole and acts on the drill rod 3, and scraps on the drill rod 3 can be separated from the drill rod 3 under the action of air flow, so that the effect of cleaning the drill rod 3 is realized, wherein during the movement of the sliding block 12 towards the direction close to the transmission shaft 5, and when the elastic acting force of the spring 14 borne by the sliding block 12 is greater than the attractive force between the second magnet block 11 and the sliding block 12, the sliding block 12 can be quickly moved towards the direction close to the transmission shaft 5, so that the moving speed of the sliding block 12 towards the direction close to the transmission shaft 5 can be increased, the flow rate of air acting on the drill rod 3 from the through hole can be increased, and, moreover, the heat dissipation of the drill rod 3 can be realized under the action of the air flow, the air in the connecting pipe 17 is conveyed into the fixed pipe 7 from the air pipe 16 through the resetting of the moving ring 9, the air pressure in the connecting pipe 17 is reduced, the extrusion disc 19 is reset under the action of the air pressure, and the resetting of the extrusion disc 19 drives the locking rod 21 to reset through the second connecting rod 20.
Compared with the prior art, this safe type hand-held type electric drilling tool has realized the function of clean drilling rod 3 through coupling mechanism, compares with current coupling mechanism, and this coupling mechanism can also realize the heat dissipation to drilling rod 3, and the practicality is stronger, moreover, has still improved the security through complementary unit, prevents that drilling rod 3 from changing and causing the injury to the human body under the rotation state, compares with current complementary unit, and this complementary unit realizes integral type linkage with coupling mechanism, and 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. The utility model provides a safe type hand-held type electric drilling tool, includes main part (1), handle (2), drilling rod (3), connector (4), transmission shaft (5) and bearing (6), the shape of main part (1) is the cuboid, handle (2) are fixed on main part (1), one side of main part (1) is equipped with the mounting hole, the mounting hole is passed in transmission shaft (5), inner wall slip and sealing connection of transmission shaft (5) and mounting hole, be equipped with drive arrangement in main part (1), drive arrangement is connected with the one end transmission of transmission shaft (5), the other end at transmission shaft (5) is installed through connector (4) in drilling rod (3), be equipped with the clearance between connector (4) and main part (1), bearing (6) are located main part (1), the inner circle of bearing (6) is installed on transmission shaft (5), the outer ring of the bearing (6) is fixed on the inner wall of the main body (1), and the drill rod drilling device is characterized in that one side, close to the drill rod (3), of the main body (1) is provided with a connecting mechanism and an auxiliary mechanism;
the connecting mechanism comprises a fixed pipe (7), a fixed ring (8), a moving ring (9), three first magnet blocks (10) and three connecting assemblies, wherein the fixed pipe (7), the fixed ring (8) and the moving ring (9) are coaxially arranged with a transmission shaft (5), one end of the fixed pipe (7) is abutted against and hermetically connected with a main body (1), the other end of the fixed ring (8) and the fixed pipe (7) is hermetically and fixedly connected, the connector (4) is positioned in the fixed pipe (7), the inner diameter of the fixed ring (8) is larger than the diameter of a drill rod (3), the moving ring (9) is arranged in the fixed pipe (7) and positioned between the connector (4) and the main body (1), the moving ring (9) is slidably and hermetically connected with the inner wall of the fixed pipe (7), the transmission shaft (5) penetrates through the moving ring (9), and the moving ring (9) is slidably and hermetically connected with the transmission shaft (5), a gap is formed between the moving ring (9) and the main body (1), the first magnet block (10) is circumferentially and uniformly fixed on the outer wall of the fixed pipe (7) by taking the axis of the transmission shaft (5) as the center, the first magnet block (10) is abutted against the main body (1), the main body (1) is made of iron, and the connecting assembly is arranged in the fixed pipe (7) and is positioned on one side, far away from the main body (1), of the moving ring (9);
coupling assembling includes second magnet piece (11), slider (12), guide arm (13), spring (14) and first connecting rod (15), the axis of guide arm (13) is perpendicular and crossing with the axis of transmission shaft (5), the one end of guide arm (13) is fixed on transmission shaft (5), the other end at guide arm (13) is fixed in second magnet piece (11), slider (12) cover is established on guide arm (13) and is leaned on with transmission shaft (5), spring (14) are located between second magnet piece (11) and slider (12), slider (12) are connected with first magnet piece (10) through spring (14), the preparation material of slider (12) is iron, slider (12) are articulated through first connecting rod (15) and shift ring (9), first connecting rod (15) slope sets up, the distance that is less than first connecting rod (15) between the one end and the transmission shaft (5) of being close to slider (12) of first connecting rod (15) The distance between the other end of the transmission shaft and the transmission shaft (5);
the auxiliary mechanism comprises three auxiliary components, and the auxiliary components correspond to the first magnet blocks (10) one by one;
the auxiliary assembly includes trachea (16), connecting pipe (17), sealed dish (18), extrusion disc (19), two second connecting rods (20) and two check lock (21), be equipped with the connecting hole on first magnet piece (10), connecting pipe (17) are parallel with fixed pipe (7), connecting hole, sealed dish (18) and extrusion disc (19) all with connecting pipe (17) coaxial arrangement, connecting pipe (17) pass the connecting hole and with the inner wall sliding connection of connecting hole, the one end of connecting pipe (17) is sealed and fixed connection with the inner wall of main part (1), sealed dish (18) are sealed and fixed connection with the other end of connecting pipe (17), sealed dish (18) are located one side of keeping away from main part (1) of first magnet piece (10), the diameter of sealed dish (18) equals with the external diameter of connecting pipe (17), the one end of main part (1) that is close to of main part of connecting pipe (17) passes through trachea (16) and fixed pipe (7) The one end intercommunication that is close to main part (1), be equipped with two locking holes on connecting pipe (17), the axis that the locking hole used connecting pipe (17) is central circumference evenly distributed, the axis of check lock lever (21) is perpendicular and crossing with the axis of connecting pipe (17), check lock lever (21) and locking hole one-to-one, the one end of keeping away from connecting pipe (17) axis of check lock lever (21) inserts the locking hole and with the inner wall sliding connection in locking hole, the distance between check lock lever (21) and main part (1) equals with the distance between one side of keeping away from main part (1) and main part (1) of first magnet piece (10), extrusion dish (19) set up in connecting pipe (17) and lie in one side that is close to main part (1) of check lock lever (21), extrusion dish (19) and the inner wall sliding and sealing connection of connecting pipe (17), the second connecting rods (20) are in one-to-one correspondence with the locking rods (21), one end, close to the connecting pipe (17), of each locking rod (21) is hinged to the extrusion disc (19) through the second connecting rods (20), and the distance between one end, close to the extrusion disc (19), of each second connecting rod (20) and the axis of the corresponding connecting pipe (17) is smaller than the distance between the other end of each second connecting rod (20) and the axis of the corresponding connecting pipe (17).
2. Safety hand-held power drill according to claim 1, characterized in that the inner wall of the connecting tube (17) is coated with a sealing grease.
3. Safety hand-held electric drilling tool according to claim 1, characterised in that the guide rod (13) is coated with a lubricating oil.
4. Safety hand-held electric drilling tool according to claim 1, characterised in that the guide rod (13) is chamfered at both ends.
5. The safety hand-held electric drilling tool according to claim 1, wherein the driving means comprises a driving motor (22), a driving gear (23) and a driven gear (24), the driving motor (22) is fixed on the inner wall of the main body (1) and is in transmission connection with the driving gear (23), the driven gear (24) is mounted on the transmission shaft (5), and the driving gear (23) is meshed with the driven gear (24).
6. Safety hand-held electric drilling tool according to claim 5, characterised in that the drive motor (22) is a servo motor.
7. Safety hand-held electric drilling tool according to claim 1, characterised in that the handle (2) is provided with anti-slip threads.
8. Safety hand-held electric drilling tool according to claim 1, characterised in that the fixing ring (8) is a sound-absorbing plate.
9. Safety hand-held electric drilling tool according to claim 1, characterised in that a photovoltaic panel (25) is provided on the body (1).
10. The safety type handheld electric drilling tool as claimed in claim 1, characterized in that three refrigeration rods (26) are arranged in the fixed pipe (7), and the refrigeration rods (26) correspond to the sliding blocks (12) one by one and are fixed on one side of the fixed ring (8) close to the main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010487669.3A CN111570864A (en) | 2020-06-02 | 2020-06-02 | Safe type hand-held type electric drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010487669.3A CN111570864A (en) | 2020-06-02 | 2020-06-02 | Safe type hand-held type electric drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111570864A true CN111570864A (en) | 2020-08-25 |
Family
ID=72122158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010487669.3A Withdrawn CN111570864A (en) | 2020-06-02 | 2020-06-02 | Safe type hand-held type electric drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111570864A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112122633A (en) * | 2020-11-24 | 2020-12-25 | 烟台金能机械有限公司 | Novel turning equipment for machining |
| CN112496990A (en) * | 2020-11-12 | 2021-03-16 | 张晓奎 | A protection type equipment of polishing for boats and ships preparation |
-
2020
- 2020-06-02 CN CN202010487669.3A patent/CN111570864A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112496990A (en) * | 2020-11-12 | 2021-03-16 | 张晓奎 | A protection type equipment of polishing for boats and ships preparation |
| CN112122633A (en) * | 2020-11-24 | 2020-12-25 | 烟台金能机械有限公司 | Novel turning equipment for machining |
| CN112122633B (en) * | 2020-11-24 | 2021-02-05 | 昆山市卓航精密模具有限公司 | Novel turning equipment for machining |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200825 |
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| WW01 | Invention patent application withdrawn after publication |