CN217789431U - Miniature bench drill based on brushless motor - Google Patents
Miniature bench drill based on brushless motor Download PDFInfo
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- CN217789431U CN217789431U CN202221084625.7U CN202221084625U CN217789431U CN 217789431 U CN217789431 U CN 217789431U CN 202221084625 U CN202221084625 U CN 202221084625U CN 217789431 U CN217789431 U CN 217789431U
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Abstract
The utility model discloses a micro bench drill based on a brushless motor, which comprises a supporting seat and a main machine shell; the host shell is connected to the supporting seat through a longitudinal displacement adjusting mechanism; the main machine shell is connected with a brushless direct current motor through a mounting frame assembly, and the brushless direct current motor is in transmission connection with a drill bit integration assembly; the mounting frame assembly can move left and right along the transverse axis of the main machine shell to perform fine adjustment; an air inlet is arranged on the main machine shell; the air inlet is provided with a fresh air filtering device; the installation stability of the brushless direct current motor can be enhanced through the installation structure of the installation frame assembly on the brushless motor, and meanwhile, the vibration of the motor can be reduced by arranging the shock absorbers in the crimping holes of the installation structure of the motor; in addition, set up the spacing groove through the cooperation on the mount pad subassembly, can make things convenient for the distance of accommodate motor and integrated subassembly of drill bit, adjust driving belt's elasticity then.
Description
Technical Field
The utility model relates to an electric tool technical field specifically is a miniature bench drill based on brushless motor.
Background
The motor that uses in traditional bench drill equipment is mostly alternating current motor and has brush direct current motor. Since the grid usually supplies three-phase ac power, it is convenient to use ac motors. Meanwhile, the alternating current motor has the advantages of simple structure, low price, reliable work and convenient maintenance, so the alternating current motor is most widely applied, the common defects of the alternating current motor are poor starting and speed regulating performance, and on the other hand, the direct current motor has the advantages that: the speed regulation performance is good, the uniform and smooth stepless speed regulation can be realized, and the speed regulation range is wider: the starting performance is good, the starting torque is large, and quick starting can be realized; the control is flexible and efficient. The direct current motor is mainly used for equipment with higher speed regulation requirement.
Chinese patent 201410182083.0, named as electromechanical device, discloses an electromechanical device, especially a medium and high power electromechanical device, including: a brushless DC motor; and a working device driven by the brushless DC motor; wherein the brushless DC motor has a stator and a rotor, the rotor driving the working device to perform its function; the patent does not disclose a specific structure for specifically realizing the application of the brushless direct current motor to the bench drill, and when the brushless direct current motor is applied to the bench drill, the installation structure of the motor is a technical point which is difficult to overcome, including the application of the brushless direct current motor to the bench drill; its rate of tension that how realizes transmission is adjusted to and at the electric drill during operation, can produce a large amount of dusts, it can enter into the electric drill by the air intake and inside to cause the damage to brushless motor, consequently, in the current application, has not yet found the application that has relevant structure technique to reach brushless motor in the bench drill.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a miniature bench drill based on brushless motor to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a micro bench drill based on a brushless motor comprises a supporting seat and a main machine shell;
the main machine shell is connected to the supporting seat through a longitudinal displacement adjusting mechanism; the longitudinal displacement adjusting mechanism drives the main machine shell to continuously move upwards or downwards on the supporting seat;
the main machine shell is connected with a brushless direct current motor through a mounting frame assembly, and the brushless direct current motor is in transmission connection with a drill bit integration assembly;
the mounting frame assembly can move left and right along the transverse axis of the main machine shell for fine adjustment; the main machine shell is provided with an air inlet; and a fresh air filtering device is arranged on the air inlet.
The drill bit integrated assembly is prior art and will not be described herein.
Preferably, the connecting parts of the two end heads of the brushless direct current motor are longitudinally arranged and connected on the mounting frame component.
Preferably, the mounting bracket assembly comprises a motor fixing part connected with connecting parts of two end heads of the brushless direct current motor and a bracket fixing part connected with the inner wall of the main machine shell; the mounting frame assembly is connected with the inner wall of the main machine shell through the frame body fixing part.
Preferably, the mounting rack assembly comprises a U-shaped body, two side walls of the U-shaped body are integrally formed with a rack fixing part, at least two limiting grooves are formed in the rack fixing part, correspondingly, fixing holes at least corresponding to the limiting grooves are formed in the inner wall of the host shell, and the mounting rack assembly is fixed on the inner wall of the host shell through the limiting grooves and the fixing holes which are connected through screws; the two end faces of the U-shaped body form the motor fixing part.
Preferably, the transverse length of the limiting groove is larger than the transverse diameter of the fixing hole.
Preferably, the end parts of the two end surfaces of the U-shaped body are provided with first concave grooves, the motor fixing device further comprises a compression joint block, a second concave groove is formed in the compression joint block, the end parts of the two end surfaces of the U-shaped body are fixedly connected with the compression joint block, and the first concave grooves and the second concave grooves form compression joint holes for fixing the motor.
Preferably, a damper is disposed in the pressing hole, and both ends of the brushless dc motor are pressed into the damper.
Preferably, the inner wall of the shock absorption body is provided with a plurality of raised anti-slip strips.
Preferably, the fresh air filtering device comprises an air inlet, and a filtering component is arranged on the inner side or the outer side of the air inlet; the filtering component comprises a filtering cavity arranged on the inner side or the outer side of the air inlet, and a filtering layer is arranged in the filtering cavity.
Preferably, the supporting seat comprises a supporting base and a supporting rod, a cylindrical connecting cavity is arranged in the main machine shell, and the supporting rod is arranged in the cylindrical connecting cavity; all be provided with a locking opening on the chamber both ends are connected to the cylindricality, are connected with the retaining member on the locking opening, compress tightly or loosen in the bracing piece surface with cylindricality connection chamber both ends through the retaining member.
Preferably, the longitudinal displacement adjusting mechanism comprises a screw rod, a screw is arranged on the main machine shell, the screw rod is connected with the screw, and the screw rod is connected with the control driving part.
Preferably, a screw clamping groove is formed in the main machine shell, and the screw is arranged in the screw clamping groove and connected with the main machine shell.
Preferably, the device also comprises a control driving part fixing seat, a rotating handle is arranged on the control driving part fixing seat and used as the control driving part, and the rotating handle is connected with the screw rod through gear transmission.
When in use, the locking piece is loosened; the main machine shell can be continuously lifted or lowered by rotating the rotating handle.
Compared with the prior art, the beneficial effects of the utility model are that: the installation stability of the brushless direct current motor can be enhanced through the installation structure of the installation frame assembly on the brushless motor, and meanwhile, the vibration of the motor can be reduced by arranging the shock absorbers in the crimping holes of the installation structure of the motor; in addition, set up the spacing groove through the cooperation on the mount pad subassembly, can make things convenient for the distance of accommodate motor and integrated subassembly of drill bit, adjust driving belt's elasticity then.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view in another direction of the present invention;
fig. 3 is a schematic structural diagram of the transmission connection between the brushless motor and the drill bit integrated assembly according to the present invention;
fig. 4 is a schematic view of an installation structure of the brushless motor of the present invention;
FIG. 5 is a schematic view of the main housing of the present invention;
fig. 6 is a schematic view of the structure of the shock absorber of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-6, the present invention provides a technical solution: a miniature bench drill based on brushless motor, including supporting seat 1, and host computer body 2;
the main machine shell is connected to the supporting seat through a longitudinal displacement adjusting mechanism; the longitudinal displacement adjusting mechanism drives the main machine shell to continuously move upwards or downwards on the supporting seat;
the main machine shell is connected with a brushless direct current motor 3 through a mounting frame assembly, and the brushless direct current motor is in transmission connection with a drill bit integration assembly 4;
the mounting frame assembly can move left and right along the transverse axis of the main machine shell for fine adjustment; the main machine shell is provided with an air inlet; and a fresh air filtering device is arranged on the air inlet.
The drill bit integrated assembly is prior art and will not be described herein.
Specifically, the method comprises the following steps: the connecting parts of the two end heads of the brushless direct current motor are longitudinally arranged and connected on the mounting frame component.
The mounting rack assembly comprises a motor fixing part 5 connected with connecting parts of two end heads of the brushless direct current motor and a rack body fixing part 6 connected with the inner wall of the main machine shell; the mounting frame assembly is connected with the inner wall of the main machine shell through the frame body fixing part.
The mounting rack assembly comprises a U-shaped body, a rack body fixing part is integrally formed on two side walls of the U-shaped body, at least two limiting grooves 7 are formed in the rack body fixing part, correspondingly, fixing holes 8 at least corresponding to the limiting grooves are formed in the inner wall of the host shell, and the mounting rack assembly is fixed on the inner wall of the host shell through the limiting grooves and the fixing holes which are connected through screws; the two end faces of the U-shaped body form the motor fixing part.
The transverse length of the limiting groove is larger than the transverse diameter of the fixing hole.
The end parts of the two end surfaces of the U-shaped body are provided with first concave grooves, the U-shaped body further comprises a compression joint block 9, a second concave groove is formed in the compression joint block, the end parts of the two end surfaces of the U-shaped body are fixedly connected with the compression joint block, and the first concave groove and the second concave groove form a compression joint hole for fixing a motor.
And a damping body 10 is arranged in the compression joint hole, and two end parts of the brushless direct current motor are compressed and connected in the damping body.
The inner wall of the shock absorber body is provided with a plurality of raised anti-slip strips 11.
The fresh air filtering device comprises an air inlet, and a filtering component is arranged on the inner side or the outer side of the air inlet; the filtering component comprises a filtering cavity arranged on the inner side or the outer side of the air inlet, and a filtering layer is arranged in the filtering cavity.
The supporting seat comprises a supporting base and a supporting rod, a cylindrical connecting cavity 12 is arranged in the main machine shell, and the supporting rod is arranged in the cylindrical connecting cavity; both ends of the cylindrical connecting cavity are provided with locking openings 13, locking parts 14 are connected to the locking openings, and the two ends of the cylindrical connecting cavity are pressed or loosened on the surface of the supporting rod through the locking parts.
The longitudinal displacement adjusting mechanism comprises a screw rod 15, a screw 16 is arranged on the main machine shell, the screw rod is connected with the screw, and the screw rod is connected with the control driving part.
A screw clamping groove 17 is formed in the main machine shell, and screws are arranged in the screw clamping groove and connected with the main machine shell.
The device also comprises a control driving part fixing seat 18, wherein the control driving part fixing seat 18 is fixed on the supporting rod through screw locking; and a rotating handle 19 is arranged on the control driving part fixing seat and serves as the control driving part, and the rotating handle is connected with the screw rod through gear transmission.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a miniature bench drill based on brushless motor which characterized in that: comprises a supporting seat and a host shell;
the host shell is connected to the supporting seat through a longitudinal displacement adjusting mechanism; the longitudinal displacement adjusting mechanism drives the main machine shell to continuously move upwards or downwards on the supporting seat;
the brushless direct current motor is connected in the main machine shell through a mounting frame assembly and is in transmission connection with the drill bit integration assembly;
the mounting frame assembly can move left and right along the transverse axis of the main machine shell for fine adjustment; the main machine shell is provided with an air inlet; and a fresh air filtering device is arranged on the air inlet.
2. The brushless motor based micro bench drill of claim 1, wherein: the connecting parts of the two end heads of the brushless direct current motor are longitudinally arranged and connected on the mounting frame component.
3. The micro bench drill based on brushless motor of claim 1, wherein: the mounting frame assembly comprises a motor fixing part connected with connecting parts of two end heads of the brushless direct current motor and a frame body fixing part connected with the inner wall of the main machine shell; the mounting frame assembly is connected with the inner wall of the main machine shell through the frame body fixing part.
4. A brushless motor based micro bench drill according to claim 3, wherein: the mounting rack assembly comprises a U-shaped body, a rack body fixing part is integrally formed on two side walls of the U-shaped body, at least two limiting grooves are formed in the rack body fixing part, correspondingly, fixing holes at least corresponding to the limiting grooves are formed in the inner wall of the host shell, and the mounting rack assembly is fixed on the inner wall of the host shell through the limiting grooves and the fixing holes which are connected through screws; the two end faces of the U-shaped body form the motor fixing part.
5. The brushless motor based micro bench drill of claim 4, wherein: the transverse length of the limiting groove is larger than the transverse diameter of the fixing hole.
6. The micro bench drill based on brushless motor of claim 4, wherein: the end parts of the two end surfaces of the U-shaped body are provided with first concave grooves, the motor pressing device further comprises a pressing connection block, second concave grooves are formed in the pressing connection block, the end parts of the two end surfaces of the U-shaped body are fixedly connected with the pressing connection block, and the first concave grooves and the second concave grooves form pressing connection holes used for fixing the motor.
7. The brushless motor based micro bench drill of claim 6, wherein: and the compression joint hole is internally provided with a shock absorber, and two end parts of the brushless direct current motor are compressed in the shock absorber.
8. The brushless motor based micro bench drill of claim 7, wherein: the inner wall of the shock absorption body is provided with a plurality of convex anti-slip strips.
9. The micro bench drill based on brushless motor of claim 1, wherein: the fresh air filtering device comprises an air inlet, and a filtering component is arranged on the inner side or the outer side of the air inlet; the filtering component comprises a filtering cavity arranged on the inner side or the outer side of the air inlet, and a filtering layer is arranged in the filtering cavity.
10. The brushless motor based micro bench drill of claim 1, wherein: the supporting seat comprises a supporting base and a supporting rod, a cylindrical connecting cavity is arranged in the main machine shell, and the supporting rod is arranged in the cylindrical connecting cavity; all be provided with a locking opening on the chamber both ends is connected to the cylindricality, is connected with the retaining member on the locking opening, connects chamber both ends through the retaining member with the cylindricality and compresses tightly or loosen in the bracing piece surface, vertical displacement adjustment mechanism includes a screw rod, is provided with a screw on the host computer casing, screw rod and screw connection, screw rod connection control drive portion is provided with a screw joint groove on the host computer casing, the screw is arranged in screw joint inslot is connected with the host computer casing, still includes control drive portion fixing base, is provided with the twist grip on the control drive portion fixing base and does the control drive portion, the twist grip passes through gear drive and connects the screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221084625.7U CN217789431U (en) | 2022-05-05 | 2022-05-05 | Miniature bench drill based on brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221084625.7U CN217789431U (en) | 2022-05-05 | 2022-05-05 | Miniature bench drill based on brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217789431U true CN217789431U (en) | 2022-11-11 |
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ID=83910571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221084625.7U Active CN217789431U (en) | 2022-05-05 | 2022-05-05 | Miniature bench drill based on brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217789431U (en) |
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2022
- 2022-05-05 CN CN202221084625.7U patent/CN217789431U/en active Active
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