CN214314811U

CN214314811U - Dustproof motor for electric tool

Info

Publication number: CN214314811U
Application number: CN202021339497.7U
Authority: CN
Inventors: 饶志辉
Original assignee: Dongguan Meng Generator Co Ltd
Current assignee: Dongguan Meng Generator Co Ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-09-28
Anticipated expiration: 2030-07-09

Abstract

The utility model discloses a dustproof motor for electric tool, including pivot, bearing, installation screw, base and shell, the both sides of shell all are provided with first baffle, one side of bearing is fixed with the second telescopic link, the top swing joint of first telescopic link has the fixed screw. The utility model discloses a shell comprises first baffle and second baffle, first baffle and second baffle constitute the block structure, block structure convenient to detach, go into the inside back of second baffle with first baffle card, the axis of rotation can rotate because torque spring's elasticity, the axis of rotation rotates and just can drive fixed knot and rotate, fixed knot can go into the inside of shell, fix the shell, when needs maintain the motor, pull open fixed knot, let fixed knot no longer block the shell, just can unpack the shell and maintain the part of inside, reach the purpose of the dustproof motor dismouting of electric tool of being convenient for with this.

Description

Dustproof motor for electric tool

Technical Field

The utility model relates to a dustproof motor technical field specifically is a dustproof motor for electric tool.

Background

Along with the continuous development of society, dustproof motor trade has obtained flourishing development, and the motor is electric motor, engine, for the atress rotation drives starter rotor rotation in the magnetic field through the circular telegram coil, and pinion on the rotor drives the engine flywheel rotation, is rotatory a kind of equipment very commonly used, extensively applies to the automotive industry, and present motor includes multiple motors such as hydraulic motor, high-speed motor and vane motor:

the dustproof motor of the traditional electric tool is difficult to disassemble and assemble, the motor is easy to damage during working, and the motor is frequently required to be disassembled to maintain.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dustproof motor for electric tool to solve the problem that the dustproof motor of the electric tool who proposes in the above-mentioned background art is difficult to the dismouting.

In order to achieve the above object, the utility model provides a following technical scheme: a dustproof motor for an electric tool comprises a rotating shaft, a bearing, a mounting screw, a base and a shell, wherein first baffles are arranged on two sides of the shell, a second baffle is arranged on the inner side of each first baffle, the base is fixed at the bottom end of the shell, the top end of the base is movably connected with the mounting screw, a heat dissipation mechanism is fixed at the top end of the shell, dismounting structures are fixed at the top end and the bottom end of the shell respectively and comprise fixing buckles, a fixing plate, a rotating shaft and a torsion spring, the fixing plates are fixed at the top end and the bottom end of the shell, the rotating shaft is arranged inside the fixing plate, one side of the rotating shaft is fixed with the fixing buckles, a dustproof net is fixed inside the shell, a stator is fixed inside the shell, a rotor is arranged inside the stator, one side of the rotor is fixed with the bearing, and a second telescopic rod is fixed on one side of the bearing, one side swing joint of second telescopic link has first telescopic link, and one side of first telescopic link is fixed with the pivot, the top swing joint of first telescopic link has the fixed screw.

Preferably, pulleys are arranged on two sides of the first telescopic rod, a sliding groove is formed in the second telescopic rod, and the first telescopic rod and the second telescopic rod form a sliding structure.

Preferably, the outer side wall of the mounting screw is uniformly provided with external threads, the inner side wall of the base is uniformly provided with internal threads matched with the external threads, and the mounting screw is in threaded connection with the base.

Preferably, a clamping block is fixed on one side of the first baffle, a clamping groove is fixed on one side of the second baffle, and the first baffle and the second baffle form a clamping structure.

Preferably, heat dissipation mechanism includes condenser pipe, bellows, negative-pressure air fan and filter screen, the top at the shell is fixed to bellows, the condenser pipe has all been inlayed at the both ends of bellows, the inside of bellows is fixed with negative-pressure air fan, the bottom of bellows is provided with the filter screen.

Preferably, a torsion spring is arranged on the outer side of the rotating shaft, and the torsion spring is elastically connected with the rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are that: this a dustproof motor for electric tool has not only realized the purpose of the dustproof motor dismouting of being convenient for of electric tool, has realized the dustproof motor radiating purpose of being convenient for of electric tool, has realized the purpose that the dustproof motor of electric tool is convenient for adjust pivot length moreover:

(1) the shell consists of a first baffle and a second baffle, the first baffle and the second baffle form a clamping structure, the clamping structure is convenient to disassemble, after the first baffle is clamped into the second baffle, the rotating shaft can rotate due to the elasticity of the torsion spring, the rotating shaft can drive the fixing buckle to rotate by rotating, the fixing buckle can be clamped into the shell to fix the shell, when the motor needs to be maintained, the fixing buckle is pulled open, the fixing buckle does not clamp the shell any more, the shell can be disassembled to maintain parts in the shell, and therefore the purpose that the dustproof motor of the electric tool is convenient to disassemble and assemble is achieved;

(2) the negative pressure fan is fixed in the air box, when the motor works to generate temperature, the negative pressure fan starts to work, the negative pressure fan starts to suck air and then blows the air into the shell to dissipate heat of the motor in the shell, the condenser pipe can cool the air when working before the air enters the shell, cooling efficiency of the device is improved, and meanwhile, the air can be filtered by the filter screen, so that the purpose that the dustproof motor of the electric tool is convenient to dissipate heat is achieved;

(3) one side swing joint through first telescopic link has the second telescopic link, and first telescopic link and second telescopic link constitute sliding construction, and first telescopic link can slide in second telescopic link inside, and first telescopic link slides just can adjust the whole length of pivot, when the pivot was adjusted to suitable length, screws up fixed screw and just can fix first telescopic link to this reaches electric tool's dustproof motor and is convenient for adjust the purpose of pivot length.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic side view of the cross-sectional structure of the present invention;

fig. 3 is an enlarged partial sectional view of the utility model at a in fig. 1;

fig. 4 is an enlarged schematic view of the top view of the local section of the dismounting structure of the present invention.

In the figure: 1. a rotating shaft; 2. a first telescopic rod; 3. a second telescopic rod; 4. a bearing; 5. mounting screws; 6. a base; 7. a housing; 8. a stator; 9. a rotor; 10. a first baffle plate; 11. a dust screen; 12. a second baffle; 13. a heat dissipation mechanism; 1301. a condenser tube; 1302. an air box; 1303. a negative pressure fan; 1304. filtering with a screen; 14. a disassembly and assembly structure; 1401. a fixing buckle; 1402. a fixing plate; 1403. a rotating shaft; 1404. a torsion spring; 15. and fixing the screw.

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 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.

Referring to fig. 1-4, the present invention provides an embodiment: a dustproof motor for an electric tool comprises a rotating shaft 1, a bearing 4, a mounting screw 5, a base 6 and a shell 7, wherein first baffle plates 10 are arranged on two sides of the shell 7, a clamping block is fixed on one side of each first baffle plate 10, a clamping groove is fixed on one side of each second baffle plate 12, and the first baffle plates 10 and the second baffle plates 12 form a clamping structure;

a second baffle plate 12 is arranged on the inner side of the first baffle plate 10, a base 6 is fixed at the bottom end of the shell 7, the top end of the base 6 is movably connected with a mounting screw 5, external threads are uniformly arranged on the outer side wall of the mounting screw 5, internal threads matched with the external threads are uniformly arranged on the inner side wall of the base 6, and the mounting screw 5 is in threaded connection with the base 6;

the top end of the shell 7 is fixedly provided with a heat dissipation mechanism 13, the heat dissipation mechanism 13 comprises a condensation pipe 1301, an air box 1302, a negative pressure fan 1303 and a filter screen 1304, the air box 1302 is fixedly arranged at the top end of the shell 7, the condensation pipe 1301 is embedded at two ends of the air box 1302, the negative pressure fan 1303 is fixedly arranged in the air box 1302, the type of the negative pressure fan 1303 can be BFX-100, and the filter screen 1304 is arranged at the bottom end of the air box 1302;

specifically, when the mechanism is used, firstly, when the motor works to generate temperature, the negative pressure fan 1303 starts to work, the negative pressure fan 1303 starts to suck air, then the air is blown into the shell 7 to dissipate heat of the motor in the shell 7, before the air enters the shell 7, the condenser pipe 1301 cools the air when working, the cooling efficiency of the device is improved, and meanwhile, the air is filtered by the filter screen 1304;

the top end and the bottom end of the shell 7 are both fixed with a dismounting structure 14, the dismounting structure 14 comprises a fixed buckle 1401, a fixed plate 1402, a rotating shaft 1403 and a torsion spring 1404, the fixed plate 1402 is fixed at the top end and the bottom end of the shell 7, the rotating shaft 1403 is arranged inside the fixed plate 1402, the fixed buckle 1401 is fixed at one side of the rotating shaft 1403, the torsion spring 1404 is arranged at the outer side of the rotating shaft 1403, and the torsion spring 1404 and the rotating shaft 1403 are elastically connected;

specifically, when the structure is used, firstly, after the first baffle 10 is clamped into the second baffle 12, the rotating shaft 1403 rotates due to the elasticity of the torsion spring 1404, the rotating shaft 1403 rotates to drive the fixing buckle 1401 to rotate, the fixing buckle 1401 is clamped into the shell 7 to fix the shell 7, and when the motor needs to be maintained, the fixing buckle 1401 is pulled open to enable the fixing buckle 1401 to not clamp the shell 7, so that the shell 7 can be detached to maintain the internal parts;

a dust screen 11 is fixed inside the shell 7, a stator 8 is fixed inside the shell 7, a rotor 9 is arranged inside the stator 8, a bearing 4 is fixed on one side of the rotor 9, a second telescopic rod 3 is fixed on one side of the bearing 4, a first telescopic rod 2 is movably connected on one side of the second telescopic rod 3, pulleys are arranged on two sides of the first telescopic rod 2, a sliding groove is arranged inside the second telescopic rod 3, and the first telescopic rod 2 and the second telescopic rod 3 form a sliding structure;

one side of the first telescopic rod 2 is fixed with a rotating shaft 1, and the top end of the first telescopic rod 2 is movably connected with a fixing screw 15.

The working principle is as follows: when the device is used, an external power supply is connected, firstly, the shell 7 consists of a first baffle plate 10 and a second baffle plate 12, the first baffle plate 10 and the second baffle plate 12 form a clamping structure, the clamping structure is convenient to disassemble, after the first baffle plate 10 is clamped into the second baffle plate 12, the rotating shaft 1403 can rotate due to the elasticity of the torsion spring 1404, the rotating shaft 1403 can drive the fixing buckle 1401 to rotate by rotating, the fixing buckle 1401 can be clamped into the shell 7 to fix the shell 7, when the motor needs to be maintained, the fixing buckle 1401 is pulled open to enable the fixing buckle 1401 not to clamp the shell 7, and the shell 7 can be disassembled to maintain internal parts;

secondly, when the motor works to generate temperature, the negative pressure fan 1303 starts to work, the negative pressure fan 1303 starts to suck air, then the air is blown into the shell 7 to dissipate heat of the motor in the shell 7, before the air enters the shell 7, the condenser pipe 1301 can cool the air when working, the cooling efficiency of the device is improved, and meanwhile, the air can be filtered by the filter screen 1304;

finally, the first telescopic rod 2 and the second telescopic rod 3 form a sliding structure, the first telescopic rod 2 can slide inside the second telescopic rod 3, the whole length of the rotating shaft 1 can be adjusted by sliding the first telescopic rod 2, and when the rotating shaft 1 is adjusted to a proper length, the first telescopic rod 2 can be fixed by screwing the fixing screw 15.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a dustproof motor for electric tool, includes pivot (1), bearing (4), installation screw (5), base (6) and shell (7), its characterized in that: the improved motor stator is characterized in that first baffle plates (10) are arranged on two sides of the shell (7), second baffle plates (12) are arranged on the inner sides of the first baffle plates (10), a base (6) is fixed at the bottom end of the shell (7), a top end of the base (6) is movably connected with a mounting screw (5), a heat dissipation mechanism (13) is fixed at the top end of the shell (7), dismounting structures (14) are fixed at the top end and the bottom end of the shell (7), each dismounting structure (14) comprises a fixing buckle (1401), a fixing plate (1402), a rotating shaft (1403) and a torsion spring (1404), the fixing plates (1402) are fixed at the top end and the bottom end of the shell (7), the rotating shaft (1403) is arranged inside the fixing plate (1402), a dustproof net (11) is fixed inside the shell (7), and a stator (8) is fixed inside the shell (7), and the inside of stator (8) is provided with rotor (9), one side of rotor (9) is fixed with bearing (4), and one side of bearing (4) is fixed with second telescopic link (3), one side swing joint of second telescopic link (3) has first telescopic link (2), and one side of first telescopic link (2) is fixed with pivot (1), the top swing joint of first telescopic link (2) has set screw (15).

2. A dust-proof motor for a power tool according to claim 1, wherein: pulleys are arranged on two sides of the first telescopic rod (2), a sliding groove is formed in the second telescopic rod (3), and the first telescopic rod (2) and the second telescopic rod (3) form a sliding structure.

3. A dust-proof motor for a power tool according to claim 1, wherein: the mounting structure is characterized in that external threads are uniformly arranged on the outer side wall of the mounting screw (5), internal threads matched with the external threads are uniformly arranged on the inner side wall of the base (6), and the mounting screw (5) is in threaded connection with the base (6).

4. A dust-proof motor for a power tool according to claim 1, wherein: a clamping block is fixed on one side of the first baffle (10), a clamping groove is fixed on one side of the second baffle (12), and the first baffle (10) and the second baffle (12) form a clamping structure.

5. A dust-proof motor for a power tool according to claim 1, wherein: radiating mechanism (13) include condenser pipe (1301), bellows (1302), negative-pressure air fan (1303) and filter screen (1304), the top in shell (7) is fixed in bellows (1302), condenser pipe (1301) have all been inlayed at the both ends of bellows (1302), the inside of bellows (1302) is fixed with negative-pressure air fan (1303), the bottom of bellows (1302) is provided with filter screen (1304).

6. A dust-proof motor for a power tool according to claim 1, wherein: a torsion spring (1404) is arranged on the outer side of the rotating shaft (1403), and the torsion spring (1404) is elastically connected with the rotating shaft (1403).