CN203418508U - Rechargeable combined electric tool - Google Patents
Rechargeable combined electric tool Download PDFInfo
- Publication number
- CN203418508U CN203418508U CN201320551794.1U CN201320551794U CN203418508U CN 203418508 U CN203418508 U CN 203418508U CN 201320551794 U CN201320551794 U CN 201320551794U CN 203418508 U CN203418508 U CN 203418508U
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- China
- Prior art keywords
- output shaft
- housing
- gear
- casing
- rechargeable
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a rechargeable combined electric tool comprising a battery pack module (1), a handle (2), a switch (3), a housing (4), a reverser assembly (6), a motor stator (7), a motor rotor (8), and an operating head module. The handle (2) is integrally connected with the housing (4). The motor rotor (8) is rotatably disposed on the housing (4) through a motor output shaft (5). A box (11) or head case (26) of the operating head module is provided with a projection (21). The housing (4) is provided with a socket fitting the projection (21). The operating head module is fixed on the housing (4) in such manner that the projection (21) fits the socket. Through the application of the structure, electric tools with different uses such as angle polishers, electric screwdrivers and electric drills can be produced and assembled with one die set. The rechargeable combined electric tool has the advantages of simple and reasonable structure, high universality, stable and reliable performance, convenience of organization and production, low input cost, low production cost and the like.
Description
Technical field
The utility model relates to field of power tools, particularly a kind of rechargeable combination motor instrument that can assemble with different operating head.
Background technology
Rechargeable power tool kind is in the market a lot, as electric angle grinder, electric screwdriver, electric drill, electric polisher etc., structure is different, conventional components can not be exchanged as housing, motor etc., a product just needs manufacturer to make a whole set of mould, drop into more than 10 ten thousand yuan of die cost, fixed assets investment is large.In process of production, not only increase production difficulty, and need to increase a large amount of semi-finished product spare parts, quantity in stock is large, causes a large amount of circulating funds to overstock.Although, on market, there is multi-functional electric tools, by changing different working heads, realize different purposes, due to the different rotary speed of working head needs of different purposes, and multi-functional electric tools output speed is single, can not match from the working method of different purposes, tool performance is had a strong impact on, even cannot work, can not meet user's instructions for use at all, therefore in promoting the use of, be restricted.For this reason, many manufacturers and knowledgeable people develop and manufacture experimently for the problems referred to above, but not yet have so far comparatively desirable product to emerge.
Summary of the invention
The not enough problem of versatility existing for overcoming existing rechargeable power tool, the purpose of this utility model be to provide a kind of simple and reasonable, versatility good, stable and reliable for performance, organize rechargeable combination motor instrument convenient for production, production cost is low.
The utility model solves the technical scheme that its technical problem adopts, it comprises battery pack assembly, handle, switch, housing, commutator assembly, motor stator, rotor and work head assembly, handle and housing are connected as a single entity, rotor is arranged on housing by motor output shaft rotationally, casing or the head capsule of described work head assembly are provided with boss, housing is provided with the groove matching with boss, and work head assembly is fixed on housing by boss and groove fit.
Described work head assembly is electric angle grinder work head assembly, comprise bonnet, casing, protecgulum, driving gear, driven gear, jackshaft, idler gear, output gear, output shaft, bonnet is fixedly connected with casing end face, jackshaft arranges between bonnet and the central dividing plate of casing rotationally, output shaft is arranged on the central dividing plate and protecgulum of casing rotationally, motor output shaft, jackshaft and output shaft are parallel to each other, driving gear is fixed on motor output shaft, driven gear and idler gear are arranged on jackshaft, output gear is arranged on output shaft, driven gear and driving gear engagement, output gear and idler gear engagement.
Described casing is provided with the block reinforcement matching with housing.
On described protecgulum, be fixed with wheel-guard, be fixed with grinding wheel on output shaft, wheel-guard covers on grinding wheel.
Described work head assembly is screwdriver work head assembly, comprise bonnet (9), planetary gearsets, central shaft, spring, impact block, head capsule, impact output shaft, bonnet is fixedly connected with head capsule end face, planetary gearsets is arranged on head capsule, impacting output shaft is arranged on head capsule rotationally, impact block is arranged on the impact output shaft in head capsule and uses spring compression, central shaft is connected to and impacts between output shaft and planetary gearsets, and motor output shaft, central shaft and impact output shaft are arranged on same axis.
Described work head assembly is electric drill head assembly, comprise bonnet, secondary planetary gear group, casing, axle sleeve, planet output shaft, torsion cup, torsion adjusting nut, drill chuck, bonnet is fixedly connected with housing end face, secondary planetary gear group and planet output shaft are arranged on casing, torsion cup is connected on casing by torsion adjusting nut, axle sleeve is enclosed within on planet output shaft, drill chuck is fixed on planet output shaft, one side of secondary planetary gear group and the engagement of the gear on motor output shaft, opposite side coordinates with planet output shaft.
Adopt after said structure, have the following advantages compared with the prior art and effect: the one, the electric tool of different purposes as electric angle grinder, electric screwdriver, electric drill etc. can common power the parts such as motor, commutator assembly, housing, switch and battery pack assembly of part, can greatly reduce producer's mould Meteorological, a mold just can be produced the electric tool of a plurality of different purposes.The 2nd, can greatly reduce producer's semi-finished product part warehouse storage, circulating fund occupancy is low, has reduced production cost.The 3rd, assemble simple and convenient, stable and reliable for performance.
Accompanying drawing explanation
Structural representation when Fig. 1 is the utility model electric angle grinder.
Structural representation when Fig. 2 is the utility model electric screwdriver.
Structural representation when Fig. 3 is the utility model electric drill.
1 battery pack assembly wherein, 2 handles, 3 switches, 4 housings, 5 motor output shafts, 6 commutator assemblies, 7 motor stators, 8 rotors, 9 bonnets, 10 driving gears, 11 casings, 12 jackshafts, 13 output gears, 14 protecgulums, 15 output shafts, 16 wheel-guards, 17 grinding wheels, 18 idler gears, 19 block reinforcements, 20 driven gears, 21 boss, 22 planetary gearsets, 23 central shafts, 24 springs, 25 impact blocks, 26 head capsules, 27 impact output shaft, 28 alignment pins, 29 secondary planetary gear groups, 30 axle sleeves, 31 planet output shafts, 32 torsion cups, 33 torsion adjusting nuts, 34 drill chucks.
The specific embodiment
Shown in Fig. 1, specific embodiments while being electric angle grinder for a kind of rechargeable combination motor instrument of the utility model, it comprises battery pack assembly 1, handle 2, switch 3, housing 4, commutator assembly 6, motor stator 7, rotor 8 and work head assembly, handle 2 is connected as a single entity with housing 4, rotor 8 is arranged on housing 4 rotationally by motor output shaft 5, casing 11 or the head capsule 26 of described work head assembly are provided with boss 21, housing 4 is provided with the groove matching with boss 21, work head assembly is fixed on housing 4 by boss 21 and groove fit, boss 21 can guarantee axially play and radially not swinging not of work head assembly.
Described work head assembly is electric angle grinder work head assembly, comprise bonnet 9, casing 11, protecgulum 14, driving gear 10, driven gear 20, jackshaft 12, idler gear 18, output gear 13, output shaft 15, bonnet 9 is fixedly connected with casing 11 end faces, jackshaft 12 arranges between bonnet 9 and the central dividing plate of casing 11 rotationally, output shaft 15 is arranged on the central dividing plate and protecgulum 14 of casing 11 rotationally, motor output shaft 5, jackshaft 12 and output shaft 15 are parallel to each other, driving gear 10 is fixed on motor output shaft 5, driven gear 20 and idler gear 18 are arranged on jackshaft 12, output gear 13 is arranged on output shaft 15, driven gear 20 and driving gear 10 engagements, output gear 13 and idler gear 18 engagements.Described casing 11 is provided with the block reinforcement 19 matching with housing 4, and block reinforcement 19 can guarantee that work head assembly does not radially rotate.On described protecgulum 14, be fixed with wheel-guard 16, be fixed with grinding wheel 17 on output shaft 15, wheel-guard 16 covers on grinding wheel 17.
During work, rotor 8 rotary works, driving gear 10 on motor output shaft 5 drives driven gear 20 rotations, driven gear 20 drives idler gear 18 rotations by jackshaft 12, idler gear 18 engagements drive output gear 13 rotations, and final output gear 13 drives grinding wheel 17 rotary works by output shaft 15.Because motor is direct current generator, electric efficiency can improve 25% left and right, adopts double reduction drive mechanism, has changed existing angle drive mechanism, and structure is more reasonable, and output torque is large, and load capacity is good.
Shown in Fig. 2, specific embodiments while being electric screwdriver for a kind of rechargeable combination motor instrument of the utility model, described work head assembly is screwdriver work head assembly, comprise bonnet 9, planetary gearsets 22, central shaft 23, spring 24, impact block 25, head capsule 26, impact output shaft 27, bonnet 9 is fixedly connected with head capsule 26 end faces, planetary gearsets 22 is arranged on head capsule 26, impacting output shaft 27 is arranged on head capsule 26 rotationally, impact block 25 is arranged on the impact output shaft 27 in head capsule 26 and with spring 24 and compresses, central shaft 23 is connected to and impacts between output shaft 27 and planetary gearsets 22, motor output shaft 5, central shaft 23 and impact output shaft 27 are arranged on same axis.
During work, rotor 8 rotary works, motor output shaft 5 drives planetary gearsets 22, and planetary gearsets 22 drives central shaft 23, and central shaft 23 drives and impacts output shaft 27 rotary works.Adopt above-mentioned drive mechanism, output torque is large, separated reliable.
Shown in Fig. 3, specific embodiments while being electric drill for a kind of rechargeable combination motor instrument of the utility model, described work head assembly is electric drill head assembly, comprise bonnet 9, secondary planetary gear group 29, casing 11, axle sleeve 30, planet output shaft 31, torsion cup 32, torsion adjusting nut 33, drill chuck 34, bonnet 9 is fixedly connected with housing 4 end faces by alignment pin 28, secondary planetary gear group 29 and planet output shaft 31 are arranged on casing 11, torsion cup 32 is connected on casing 11 by torsion adjusting nut 33, axle sleeve 30 is enclosed within on planet output shaft 31, drill chuck 34 is fixed on planet output shaft 31, one side of secondary planetary gear group 29 and the engagement of the gear on motor output shaft 5, opposite side coordinates with planet output shaft 31.
During work, rotor 8 rotary works, motor output shaft 5 drives secondary planetary gear group 29, and secondary planetary gear group 29 drives planet output shaft 31, and planet output shaft 31 drives drill chuck 34 rotary works.Adopt above-mentioned drive mechanism, output torque is large, and stable working is reliable.
The above; be embodiment of the present utility model, not the utility model made to any pro forma restriction, do not departing 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 (6)
1. a rechargeable combination motor instrument, comprise battery pack assembly (1), handle (2), switch (3), housing (4), commutator assembly (6), motor stator (7), rotor (8) and work head assembly, handle (2) is connected as a single entity with housing (4), rotor (8) is arranged on housing (4) rotationally by motor output shaft (5), it is characterized in that: the casing of described work head assembly (11) or head capsule (26) are provided with boss (21), housing (4) is provided with the groove matching with boss (21), work head assembly is fixed on housing (4) by boss (21) and groove fit.
2. rechargeable combination motor instrument according to claim 1, it is characterized in that: described work head assembly is electric angle grinder work head assembly, comprise bonnet (9), casing (11), protecgulum (14), driving gear (10), driven gear (20), jackshaft (12), idler gear (18), output gear (13), output shaft (15), bonnet (9) is fixedly connected with casing (11) end face, jackshaft (12) arranges between bonnet (9) and the central dividing plate of casing (11) rotationally, output shaft (15) is arranged on the central dividing plate and protecgulum (14) of casing (11) rotationally, motor output shaft (5), jackshaft (12) and output shaft (15) are parallel to each other, driving gear (10) is fixed on motor output shaft (5), driven gear (20) and idler gear (18) are arranged on jackshaft (12), output gear (13) is arranged on output shaft (15), driven gear (20) and driving gear (10) engagement, output gear (13) and idler gear (18) engagement.
3. rechargeable combination motor instrument according to claim 2, is characterized in that: described casing (11) is provided with the block reinforcement (19) matching with housing (4).
4. rechargeable combination motor instrument according to claim 3, it is characterized in that: on described protecgulum (14), be fixed with wheel-guard (16), on output shaft (15), be fixed with grinding wheel (17), wheel-guard (16) covers on grinding wheel (17).
5. rechargeable combination motor instrument according to claim 1, it is characterized in that: described work head assembly is screwdriver work head assembly, comprise bonnet (9), planetary gearsets (22), central shaft (23), spring (24), impact block (25), head capsule (26), impact output shaft (27), bonnet (9) is fixedly connected with head capsule (26) end face, planetary gearsets (22) is arranged on head capsule (26), impacting output shaft (27) is arranged on head capsule (26) rotationally, the impact output shaft (27) that impact block (25) is arranged in head capsule (26) goes up and uses spring (24) to compress, central shaft (23) is connected to and impacts between output shaft (27) and planetary gearsets (22), motor output shaft (5), central shaft (23) and impact output shaft (27) are arranged on same axis.
6. rechargeable combination motor instrument according to claim 1, it is characterized in that: described work head assembly is electric drill head assembly, comprise bonnet (9), secondary planetary gear group (29), casing (11), axle sleeve (30), planet output shaft (31), torsion cup (32), torsion adjusting nut (33), drill chuck (34), bonnet (9) is fixedly connected with housing (4) end face, secondary planetary gear group (29) and planet output shaft (31) are arranged on casing (11), torsion cup (32) is connected on casing (11) by torsion adjusting nut (33), axle sleeve (30) is enclosed within on planet output shaft (31), drill chuck (34) is fixed on planet output shaft (31), gear engagement on one side of secondary planetary gear group (29) and motor output shaft (5), opposite side coordinates with planet output shaft (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320551794.1U CN203418508U (en) | 2013-09-06 | 2013-09-06 | Rechargeable combined electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320551794.1U CN203418508U (en) | 2013-09-06 | 2013-09-06 | Rechargeable combined electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203418508U true CN203418508U (en) | 2014-02-05 |
Family
ID=50017611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320551794.1U Expired - Fee Related CN203418508U (en) | 2013-09-06 | 2013-09-06 | Rechargeable combined electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203418508U (en) |
-
2013
- 2013-09-06 CN CN201320551794.1U patent/CN203418508U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20140205 Termination date: 20150906 |
|
| EXPY | Termination of patent right or utility model |