CN217335337U

CN217335337U - Novel drilling machine with brushless motor

Info

Publication number: CN217335337U
Application number: CN202220276927.8U
Authority: CN
Inventors: 李秀军; 周建
Original assignee: Bsp Tools Kunshan Co ltd
Current assignee: Bsp Tools Kunshan Co ltd
Priority date: 2022-02-10
Filing date: 2022-02-10
Publication date: 2022-08-30
Anticipated expiration: 2032-02-10

Abstract

The utility model relates to the technical field of drilling machines, in particular to a novel drilling machine with a brushless motor, which comprises a motor shell and a reduction gearbox, wherein the outer part of the motor shell is connected with an intermediate cover through a fastener, one end of the intermediate cover, which is far away from the motor shell, is connected with the reduction gearbox through the fastener, the inner part of the reduction gearbox comprises a driving component and a transmission component, one end of the intermediate cover, which is far away from the reduction gearbox, is movably connected with the brushless motor, two sets of gear sets are arranged in the reduction gearbox and can be driven by a plurality of transmission teeth outside the transmission component, a plurality of gear structures arranged outside the driving component can reduce the load force of the driving component and reduce the abrasion of the gear structure outside the driving component, thereby prolonging the service life of the reduction gearbox, replacing the traditional brush motor in the device and adopting the brushless motor, the brushless motor has the advantages of low running loss and prolonged service life due to the fact that the electric brush is omitted.

Description

Novel drilling machine with brushless motor

Technical Field

The utility model relates to a drilling machine technical field especially relates to a novel drilling machine with brushless motor.

Background

A drill is a general term for machines and apparatuses that leave a cylindrical hole or hole in an object by means of rotary cutting or rotary pressing using a tool harder and sharper than the object. The existing drilling machine is mainly provided with a gear set to directly drive a rotating shaft to rotate, independent gear set transmits power for a long time, load force of the existing drilling machine is large, the service life of the gear set is shortened, a brush motor is adopted as a power source inside the existing drilling machine, the brush motor can reduce torque of the brush motor due to friction of electric brushes when the rotating speed is high, energy consumption is increased, heat generated by an armature is dissipated into an air gap, so that temperature rise in the air gap is caused, output power is limited, and the service life of the brush motor is shortened.

SUMMERY OF THE UTILITY MODEL

In view of the above problems in the prior art, a novel drilling machine equipped with a brushless motor is provided.

The specific technical scheme is as follows:

the design is a novel drilling machine with a brushless motor, and the drilling machine comprises a motor shell and a reduction gearbox, wherein the outer part of the motor shell is connected with an intermediate cover through a fastener, the intermediate cover is far away from one end of the motor shell is connected with the reduction gearbox through the fastener, the inner part of the reduction gearbox comprises a driving component and a transmission component, the driving component is meshed and connected with the transmission component, the intermediate cover is far away from one end of the reduction gearbox and is movably connected with the brushless motor, and the brushless motor is located inside the motor shell.

Preferably, one end of the driving assembly, which is close to the middle cover, is provided with a first gear, one end of the driving assembly, which is far away from the first gear, is fixedly connected with a second gear, and one end of the driving assembly, which is far away from the middle cover, is connected with a driving gear.

Preferably, transmission assembly's being close to the fixed first transmission tooth that is equipped with of one end of middle lid, first transmission tooth meshing is connected first gear, transmission assembly's middle part is equipped with the second transmission tooth, the meshing of second transmission tooth is connected the second gear, transmission assembly keeps away from the third transmission tooth is connected to the one end of middle lid, the meshing of third transmission tooth is connected the drive tooth.

Preferably, the brushless motor is movably connected with a driving shaft, and the driving shaft penetrates through the middle cover and is in meshed connection with the first transmission teeth.

Preferably, a main gear is arranged inside the reduction gearbox and is in meshed connection with the driving teeth.

Preferably, one end of the reduction gearbox, which is far away from the motor shell, is fixedly connected with a water collecting ring, a rotating shaft is arranged inside the water collecting ring, and the rotating shaft penetrates through the water collecting ring and is connected with the main gear.

Preferably, the top of the water collecting ring is connected with a water adding pipe through threads, and the inside of the water adding pipe penetrates through the water collecting ring and is communicated with the rotating shaft.

Preferably, a handle is arranged at the top of the motor shell and connected with the middle cover through a fastener.

Preferably, the top of the reduction gearbox is fixedly connected with the fixing frame, and the outside of the reduction gearbox is movably connected with the switch knob.

Preferably, a plug is arranged on the back of the motor shell and connected with the brushless motor through a line.

The technical scheme has the following advantages or beneficial effects: the one end of keeping away from motor housing through middle lid passes through the fastener and connects the reducing gear box, the inside of reducing gear box includes drive assembly and drive assembly, drive assembly meshing connects drive assembly, the one end swing joint brushless motor of reducing gear box is kept away from to middle lid, brushless motor is located inside the motor housing, two sets of gear trains have been set up in the inside of reducing gear box, can drive through a plurality of driving teeth of drive assembly outside, a plurality of gear structures of drive assembly outside setting, not only can alleviate drive assembly's loading capacity, but also can reduce the wearing and tearing of the outside gear structure of drive assembly, the life of reducing gear box has been increased, and the inside traditional brush motor that has changed of this device, brushless motor has been adopted, brushless motor has subtracted brush advantage low running loss, brushless motor's life has been increased.

Drawings

Embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying drawings. The drawings are, however, to be regarded as illustrative and explanatory only and are not restrictive of the scope of the invention.

Fig. 1 is a schematic structural view of a novel drilling machine equipped with a brushless motor according to the present invention;

fig. 2 is a structural side view of the novel drilling machine equipped with the brushless motor according to the present invention;

fig. 3 is a schematic structural diagram of the interior of the novel drilling machine equipped with the brushless motor according to the present invention;

FIG. 4 is a schematic structural view of a reduction box of a drilling machine equipped with a brushless motor according to the present invention;

fig. 5 is a structural plan view of the novel drilling machine reduction gearbox equipped with the brushless motor provided by the utility model.

The above reference numerals denote: the water collecting device comprises a motor shell 1, an intermediate cover 2, a handle 3, a plug 4, a reduction gearbox 5, a driving component 51, a first gear 511, a second gear 512, a driving tooth 513, a transmission component 52, a first transmission tooth 521, a second transmission tooth 522, a third transmission tooth 523, a main gear 53 water adding pipe 6, a rotating shaft 7, a brushless motor 8, a driving shaft 9, a switch knob 10, a water collecting ring 11 and a fixed frame 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.

Referring to fig. 1-5, a novel drilling machine equipped with a brushless motor comprises a motor housing 1 and a reduction gearbox 5, wherein the outer part of the motor housing 1 is connected with an intermediate cover 2 through a fastener, one end of the intermediate cover 2, which is far away from the motor housing 1, is connected with the reduction gearbox 5 through a fastener, the interior of the reduction gearbox 5 comprises a driving component 51 and a transmission component 52, the driving component 51 is meshed with the transmission component 52, one end of the intermediate cover 2, which is far away from the reduction gearbox 5, is movably connected with a brushless motor 8, the brushless motor 8 is positioned in the motor housing 1, two gear sets are arranged in the reduction gearbox 5 and can be driven by a plurality of transmission teeth outside the transmission component 52, a plurality of gear structures arranged outside the driving component 51 can reduce the load force of the driving component 51, reduce the abrasion of the gear structures outside the driving component 51 and prolong the service life of the reduction gearbox 5, and traditional brush motor has been changed to this device inside, has adopted brushless motor 8, and brushless motor 8's advantage is low running loss, has increased brushless motor 8's life.

Furthermore, a first gear 511 is disposed at an end of the driving assembly 51 close to the middle cover 2, an end of the driving assembly 51 far from the first gear 511 is fixedly connected to a second gear 512, and an end of the driving assembly 51 far from the middle cover 2 is connected to a driving gear 513.

Furthermore, the one end of transmission component 52 that is close to middle lid 2 is fixed and is equipped with first transmission tooth 521, first transmission tooth 521 meshing connection first gear 511, the middle part of transmission component 52 is equipped with second transmission tooth 522, second transmission tooth 522 meshing connection second gear 512, the one end that transmission component 52 kept away from middle lid 2 is connected third transmission tooth 523, third transmission tooth 523 meshing connection drive tooth 513, a plurality of gear structure of the outside setting of drive component 51, the loading force that not only can alleviate drive component 51.

Furthermore, the brushless motor 8 is movably connected with a driving shaft 9, the driving shaft 9 penetrates through the middle cover 2 and is meshed with the first transmission teeth 521, and one end of the driving shaft 9 inserted into the middle cover 2 is of a gear structure with a small outer diameter and is used for being meshed with the first transmission teeth 521 to provide power for the first transmission teeth 521.

Further, a main gear 53 is arranged inside the reduction gearbox 5, and the main gear 53 is meshed with the driving teeth 513.

Furthermore, one end of the reduction box 5, which is far away from the motor housing 1, is fixedly connected with a water collecting ring 11, a rotating shaft 7 is arranged inside the water collecting ring 11, the rotating shaft 7 penetrates through the water collecting ring 11 to be connected with the main gear 53, and oil seals are arranged at two ends of the water collecting ring 11 to increase the sealing performance of the water collecting ring and can be connected with a water adding pipe 6.

Further, threaded connection filler pipe 6 is passed through at the top of water ring 11, and filler pipe 6 is inside to run through water ring 11 and pivot 7 intercommunication, and filler pipe 6 connects outside water supply pipe, provides the water source for the drill bit and carries out drilling cooling work.

Further, the top of the motor shell 1 is provided with a handle 3, the handle 3 is connected with the middle cover 2 through a fastener, and the middle cover 2 is externally used for supporting the handle 3.

Further, the top of the reduction box 5 is fixedly connected with a fixed frame 12, the outside of the reduction box 5 is movably connected with a switch knob 10, the switch knob 10 extends to the outside of the driving component 51 and is connected with a clamping block capable of moving transversely, and the clamping block is inserted into the first gear 511 or the second gear 512 to stop rotation of the first gear 511 or the second gear 512.

Furthermore, the back of the motor housing 1 is provided with a plug 4, the plug 4 is connected with the brushless motor 8 through a line, and the plug 4 is used for connecting an external power supply device to provide electric energy for the brushless motor 8.

The working principle is as follows: when the device is used, the device is firstly placed at a fixed position, then the fixed frame 12 is connected with an external fixed point by using a fastener, then the water feeding pipe 6 is connected with an external water supply pipeline, after the fixation is finished, the plug 4 is inserted into an external power supply socket, the brushless motor 8 is electrified to drive the driving shaft 9 to rotate at a high speed, in the rotating process of the driving shaft 9, the first driving tooth 521 meshed with the outside is driven, the first driving tooth 521 drives the first gear 511 at the top to rotate, and the second gear 512 and the driving tooth 513 are respectively driven to rotate by the second driving tooth 522 and the third driving tooth 523 outside the driving component 52, the driving tooth 513 drives the main gear 53 meshed with the bottom, and the main gear 53 drives the drill bit to rotate at a high speed through the external rotating shaft 7.

The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.

Claims

1. The utility model provides a novel drilling machine with brushless motor which characterized in that: including motor housing (1), reducing gear box (5), motor housing (1) outside is through fastener connection middle lid (2), middle lid (2) are kept away from the one end of motor housing (1) is passed through the fastener and is connected reducing gear box (5), the inside of reducing gear box (5) includes drive assembly (51) and drive assembly (52), drive assembly (51) meshing is connected drive assembly (52), middle lid (2) are kept away from the one end swing joint brushless motor (8) of reducing gear box (5), brushless motor (8) are located inside motor housing (1).

2. The novel drilling machine equipped with a brushless motor according to claim 1, wherein: one end, close to the middle cover (2), of the driving component (51) is provided with a first gear (511), one end, far away from the first gear (511), of the driving component (51) is fixedly connected with a second gear (512), and one end, far away from the middle cover (2), of the driving component (51) is connected with a driving tooth (513).

3. The novel drilling machine equipped with a brushless motor according to claim 2, characterized in that: the transmission assembly (52) is close to the fixed first transmission tooth (521) that is equipped with of one end of middle lid (2), first transmission tooth (521) meshing connection first gear (511), the middle part of transmission assembly (52) is equipped with second transmission tooth (522), second transmission tooth (522) meshing connection second gear (512), transmission assembly (52) are kept away from the one end of middle lid (2) is connected third transmission tooth (523), third transmission tooth (523) meshing connection drive tooth (513).

4. The novel drilling machine equipped with a brushless motor according to claim 3, characterized in that: brushless motor (8) swing joint drive shaft (9), drive shaft (9) run through middle lid (2) meshing connection first transmission tooth (521).

5. The novel drilling machine equipped with a brushless motor according to claim 2, characterized in that: a main gear (53) is arranged inside the reduction gearbox (5), and the main gear (53) is meshed with the driving teeth (513).

6. The novel drilling machine equipped with a brushless motor according to claim 5, wherein: one end, far away from the motor shell (1), of the reduction gearbox (5) is fixedly connected with a water collecting ring (11), a rotating shaft (7) is arranged inside the water collecting ring (11), and the rotating shaft (7) penetrates through the water collecting ring (11) to be connected with the main gear (53).

7. The novel drilling machine equipped with a brushless motor according to claim 6, characterized in that: the top of the water collecting ring (11) is connected with a water adding pipe (6) through threads, and the water adding pipe (6) is internally penetrated through the water collecting ring (11) and the rotating shaft (7) are communicated.

8. The novel drilling machine equipped with a brushless motor according to claim 1, wherein: the top of the motor shell (1) is provided with a handle (3), and the handle (3) is connected with the middle cover (2) through a fastener.

9. The novel drilling machine equipped with a brushless motor according to claim 1, wherein: the top of the reduction gearbox (5) is fixedly connected with a fixed frame (12), and the outside of the reduction gearbox (5) is movably connected with a switch knob (10).

10. The novel drilling machine equipped with a brushless motor according to claim 1, characterized in that: the back of the motor shell (1) is provided with a plug (4), and the plug (4) is connected with the brushless motor (8) through a circuit.