CN203317187U - Hand-held type angle grinder - Google Patents
Hand-held type angle grinder Download PDFInfo
- Publication number
- CN203317187U CN203317187U CN2013203787630U CN201320378763U CN203317187U CN 203317187 U CN203317187 U CN 203317187U CN 2013203787630 U CN2013203787630 U CN 2013203787630U CN 201320378763 U CN201320378763 U CN 201320378763U CN 203317187 U CN203317187 U CN 203317187U
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- fan
- main body
- air
- stator
- angle grinder
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Abstract
The utility model discloses a hand-held type angle grinder. The hand-held type angle grinder comprises a reverser assembly (16), a case (14), a stator (15), a rotor (13), a motor shaft (10), an air retaining ring (12), a compound-type fan (11), a head shell (7), a bevel pinion (9), an output shaft (8), a big bevel gear (6), a front cover (5), a grinding wheel cover (4), a lower press plate (3) and an upper press plate (2), wherein the compound-type fan (11) comprises a fan main body (24) and an air guide ring (22); the outer ring of the fan main body (24) is of a centrifugal fan structure (21); the inner ring of the fan main body (24) is of an axial-flow fan structure (23); the air guide ring (22) is welded on the fan main body (24) by virtue of ultrasonic welding; and an axial air outlet (26) and a longitudinal air outlet (25) are formed in the compound-type fan (11). With the adoption of the structure, the hand-held type angle grinder has the characteristics of being simple and reasonable in structure, high in air pressure, high in air quantity, good in heat dissipation effect, firm in fixation, reliable in connection, and the like.
Description
Technical field
The utility model relates to a kind of electric tool, particularly a kind of portable electric angle grinder for metal and grinding of non-metal materials and polishing.
Background technology
As everyone knows, portable electric angle grinder various in style, be mainly used in metal and grinding of non-metal materials, polishing.Electric angle grinder mainly comprises: commutator assembly, casing, stator, rotor, motor shaft, head capsule, protecgulum, cone pinion, output shaft, large bevel gear, wheel guard, grinding wheel, top board, lower platen, motor shaft is arranged between head capsule and casing rotationally, output shaft is arranged between head capsule and protecgulum rotationally, cone pinion is fixed on motor shaft, large bevel gear is fixed on output shaft, large bevel gear and cone pinion engagement, realize transmission, deceleration and the commutation of power by large and small bevel gear.But existing electric angle grinder in use also has the following disadvantages: the one, and the electric motor fan of current portable electric angle grinder generally adopts two kinds of tube-axial fan and centrifugal fans, all there is the shortcoming that air-out direction is single in the fan of these two kinds of styles, blast is low, air quantity is little, radiating effect is poor, and power can't meet client's user demand.The 2nd, stator adopts old-fashioned technique, and lead-out wire welding procedure, binding post adopt manual compacting etc., adopt this structure, and stator lead-out wire easily hardens, dials the line difficulty, easily produces the quality problems that cause due to failure welding, to complete machine, has buried hidden danger of quality.For the problems referred to above, many manufacturers and knowledgeable people have carried out development, but not yet have so far more satisfied product to emerge.
Summary of the invention
The problems referred to above that exist for overcoming existing electric angle grinder, the purpose of this utility model be to provide a kind of simple and reasonable, blast is high, air quantity is large, good heat dissipation effect, fixation, the reliable portable electric angle grinder of connection.
The utility model solves the technical scheme that its technical problem adopts, it comprises the commutator assembly, casing, stator, rotor, motor shaft, wind loop, combination type fan, head capsule, cone pinion, output shaft, large bevel gear, protecgulum, wheel guard, lower platen, top board, grinding wheel, motor shaft is arranged between head capsule and casing rotationally, output shaft is arranged between head capsule and protecgulum rotationally, cone pinion is fixed on motor shaft, large bevel gear is fixed on output shaft, large bevel gear and cone pinion engagement, described combination type fan comprises fan main body, air-ducting ring, the outer ring of fan main body adopts the centrifugal fan structure, the inner ring of fan main body adopts axial flow fan structure, air-ducting ring is connected on fan main body by supersonic welding, make on combination type fan to form Axial-running Out air port and vertical air outlet.
Described stator comprises upper and lower insulating end plate, stator core, stator coil, stator core fixedly is connected by upper and lower insulating end plate, stator coil is arranged on stator core, upper and lower insulating end plate is provided with clip, and the stator coil lead-out wire is fixed on upper and lower insulating end plate by clip.
After adopting said structure, have the following advantages compared with the prior art and effect: the one, due to the outer ring employing centrifugal fan structure of fan main body, inner ring adopts axial flow fan structure, air-ducting ring is connected on fan main body by supersonic welding, makes on combination type fan to form Axial-running Out air port and vertical air outlet, not only axially air-out during work, and vertically air-out, improve blast, strengthened air-out ability motor radiating effect be improved significantly, power of motor is obviously promoted.The 2nd, because the stator coil lead-out wire is fixed on upper and lower insulating end plate by clip, simplified production technology, eliminated the hidden danger of quality that manual welding brings, lead-out wire connects more reliable, has reduced production cost, has greatly improved product quality.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The structural representation that Fig. 2 is the utility model stator lead-out wire.
The structural representation that Fig. 3 is the utility model combination type fan.
The perspective view that Fig. 4 is the utility model combination type fan.
1 grinding wheel wherein, 2 top boards, 3 lower platens, 4 wheel guards, 5 protecgulums, 6 large bevel gears, 7 head capsules, 8 output shafts, 9 cone pinions, 10 motor shafts, 11 combination type fans, 12 wind loops, 13 rotors, 14 casings, 15 stators, 16 commutator assemblies, insulating end plate Shang Xia 17,18 clips, 19 stator cores, 20 stator coils, 21 centrifugal fan structures, 22 air-ducting ring, 23 axial flow fan structures, 24 fan main body, 25 vertical air outlets, 26 Axial-running Out air ports.
The specific embodiment
Shown in Fig. 1 and Fig. 2, specific embodiments for a kind of portable electric angle grinder of the utility model, it comprises commutator assembly 16, casing 14, stator 15, rotor 13, motor shaft 10, wind loop 12, combination type fan 11, head capsule 7, cone pinion 9, output shaft 8, large bevel gear 6, protecgulum 5, wheel guard 4, lower platen 3, top board 2, grinding wheel 1, motor shaft 10 is arranged between head capsule 7 and casing 14 rotationally, output shaft 8 is arranged between head capsule 7 and protecgulum 5 rotationally, cone pinion 9 is fixed on motor shaft 10, large bevel gear 6 is fixed on output shaft 8, large bevel gear 6 and cone pinion 9 engagements, described combination type fan 11 comprises fan main body 24, air-ducting ring 22, the outer ring of fan main body 24 adopts centrifugal fan structure 21, the inner ring of fan main body 24 adopts axial flow fan structure 23, air-ducting ring 22 is connected on fan main body 24 by supersonic welding, make on combination type fan 11 to form Axial-running Out air port 26 and vertical air outlet 25.
In order to make stator coil 20 lead-out wires simple, reliable, described stator 15 comprises upper and lower insulating end plate 17, stator core 19, stator coil 20, stator core 19 fixedly is connected by upper and lower insulating end plate 17, stator coil 20 is arranged on stator core 19, upper and lower insulating end plate 17 is provided with clip 18, and stator coil 20 lead-out wires are fixed on upper and lower insulating end plate 17 by clip 18.
The above; be an embodiment of the present utility model, not the utility model made to any pro forma restriction, do not breaking away from the technical solution of the utility model basis; the simple modification of having done, equivalent variations or modification, all fall into protection domain of the present utility model.
Claims (2)
1. a portable electric angle grinder, comprise commutator assembly (16), casing (14), stator (15), rotor (13), motor shaft (10), wind loop (12), combination type fan (11), head capsule (7), cone pinion (9), output shaft (8), large bevel gear (6), protecgulum (5), wheel guard (4), lower platen (3), top board (2), grinding wheel (1), motor shaft (10) is arranged between head capsule (7) and casing (14) rotationally, output shaft (8) is arranged between head capsule (7) and protecgulum (5) rotationally, cone pinion (9) is fixed on motor shaft (10), large bevel gear (6) is fixed on output shaft (8), large bevel gear (6) and cone pinion (9) engagement, it is characterized in that: described combination type fan (11) comprises fan main body (24), air-ducting ring (22), the outer ring of fan main body (24) adopts centrifugal fan structure (21), the inner ring of fan main body (24) adopts axial flow fan structure (23), it is upper that air-ducting ring (22) is connected on fan main body (24) by supersonic welding, makes upper Axial-running Out air port (26) and the vertical air outlet (25) of forming of combination type fan (11).
2. portable electric angle grinder according to claim 1, it is characterized in that: described stator (15) comprises upper and lower insulating end plate (17), stator core (19), stator coil (20), stator core (19) fixedly is connected by upper and lower insulating end plate (17), stator coil (20) is arranged on stator core (19), upper and lower insulating end plate (17) is provided with clip (18), and stator coil (20) lead-out wire is fixed on upper and lower insulating end plate (17) by clip (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203787630U CN203317187U (en) | 2013-06-28 | 2013-06-28 | Hand-held type angle grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203787630U CN203317187U (en) | 2013-06-28 | 2013-06-28 | Hand-held type angle grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203317187U true CN203317187U (en) | 2013-12-04 |
Family
ID=49656581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203787630U Expired - Fee Related CN203317187U (en) | 2013-06-28 | 2013-06-28 | Hand-held type angle grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203317187U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106926097A (en) * | 2015-12-31 | 2017-07-07 | 南京德朔实业有限公司 | Angle grinder |
| CN107457660A (en) * | 2017-09-25 | 2017-12-12 | 重庆澳蓝特实业有限公司 | A kind of hand electric polisher |
| CN114440202A (en) * | 2022-01-25 | 2022-05-06 | 桂林智神信息技术股份有限公司 | Heat radiation structure and lamp with same |
-
2013
- 2013-06-28 CN CN2013203787630U patent/CN203317187U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106926097A (en) * | 2015-12-31 | 2017-07-07 | 南京德朔实业有限公司 | Angle grinder |
| CN106926097B (en) * | 2015-12-31 | 2020-01-31 | 南京德朔实业有限公司 | Angle grinder |
| CN107457660A (en) * | 2017-09-25 | 2017-12-12 | 重庆澳蓝特实业有限公司 | A kind of hand electric polisher |
| CN114440202A (en) * | 2022-01-25 | 2022-05-06 | 桂林智神信息技术股份有限公司 | Heat radiation structure and lamp with same |
| CN114440202B (en) * | 2022-01-25 | 2023-08-08 | 桂林智神信息技术股份有限公司 | Heat radiation structure and lamp with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20180628 |