CN201201207Y - Electric wrench - Google Patents
Electric wrench Download PDFInfo
- Publication number
- CN201201207Y CN201201207Y CNU2008200860385U CN200820086038U CN201201207Y CN 201201207 Y CN201201207 Y CN 201201207Y CN U2008200860385 U CNU2008200860385 U CN U2008200860385U CN 200820086038 U CN200820086038 U CN 200820086038U CN 201201207 Y CN201201207 Y CN 201201207Y
- Authority
- CN
- China
- Prior art keywords
- output shaft
- electric wrench
- motor
- centrifugal
- shaft
- Prior art date
- 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
Links
Images
Abstract
The utility model relates to an electric wrench, in particular to a portable electric wrench. The number of output shafts of the prior electric wrench is only one, thereby the prior electric wrench has single function, can not give full play to the function of a motor, and needs more tools provided with motors under the condition of maintenance. The portable electric wrench comprises a shell, output shafts, a motor and a transmission impact device which are arranged inside a cavity of the shell, and a wire and a control switch which are electrically connected with the motor. The portable electric wrench is characterized in that both ends of a motor shaft are extended out of a side cover; the output shafts comprise a first output shaft and a second output shaft; and the first output shaft is connected with one end of the motor shaft through the transmission impact device, and the second output shaft is fixedly connected with the other end of the motor shaft. The two shafts are used for outputting, one shaft is matched with other tools for use, and the motors of the matched tools are saved, thereby effectively saving the cost, reducing the weight and occupied space of repaired equipment, and improving the maintenance efficiency.
Description
[technical field]
The utility model relates to a kind of spanner, refers to a kind of portable electric wrench especially.
[background technology]
The use of current automobile is very general, electric wrench provides changeing, loading and unloading and the general use in the side of obtaining of vehicle tyre and fixture, but the output shaft of present electric wrench has only one, acts on single, in maintenance process, need more multiplex's tool, can not give full play to the effect of electric wrench.Especially in remote startup procedure, need under the own solution of emergent event situation, it is necessary placing maintenance tool with car, carrying electric wrench simultaneously, also need maintenance tools such as air pump, jack, the general all self-powered mechanism of maintenance tool, as be driven by power, three electric tools need be furnished with three motors, bring following drawback: cost height, parking space are big, need constantly plug attaching plug in the instrument of replacing, comparatively loaded down with trivial details and inefficiency in the dismounting maintenance process.
[utility model content]
The technical assignment of the technical problems to be solved in the utility model and proposition is that the prior art scheme is improved and improved, and a kind of electric wrench is provided, and a tractor serves several purposes reduces number of tools and parking space, improves maintenance efficiency.For this reason, the utility model is taked following technical scheme:
Electric wrench, comprise: shell, output shaft, place motor and transmission percussion mechanism, the lead that is electrically connected with motor and gauge tap in the outer shell cavity, described motor comprises: motor shaft, side cover, it is characterized in that: all outer side cover of stretching in described motor shaft two ends, described output shaft comprises first output shaft and second output shaft, described first output shaft links to each other with motor shaft one end by the transmission percussion mechanism, and the other end of described second output shaft and motor shaft is affixed.The rotation of motor is driving the rotation that first output shaft also drives second output shaft simultaneously, its second output shaft can connect a maintenance instrument in addition and make its work, make another maintenance tool save motor, for example be connected an air pump with second outputting axial power, saving the common electric air pump must translator; Be connected a jack with second outputting axial power for another example, can save the motor of electronic jack, motor with electric wrench is the complete maintenance tool of common motor, effectively save cost, reduced the weight of repairing facility and taken up room, in maintenance process, need not frequently to plug the plug that equipment is connected with power supply, improve maintenance efficiency.Electric wrench has two output shafts, and the scope of application is bigger, and efficent use of resources is increased work efficiency, and is to achieve many things at one stroke.
As the further of technique scheme improved and replenish, the utility model also comprises following additional technical feature:
Described transmission percussion mechanism comprises: hollow base frame, a plurality of centrifugal, be fixed in the ratchet on first output shaft; The both sides of described hollow base frame be connected on first output shaft by bearing holder (housing, cover) and and ratchet between form a cavity; Described a plurality of centrifugal is passed through the switching of bearing pin symmetry on hollow base frame, and described centrifugal pin shaft hole is positioned at an end of centrifugal, and described hollow base frame one end links to each other with motor shaft.The rotation of motor drives the rotation of hollow base frame, when the rotating speed of hollow seat body arrives certain value, is that the center turns an angle by on hollow base frame centrifugal of bearing pin switching with the bearing pin, thereby be fixed in first output dog end engage, thereby drive the rotation of first output shaft, because centrifugal engaging speed with ratchet be very fast, the acceleration when first output shaft begins to rotate is big, bigger impact can effectively pull nut.
Described ratchet is provided with symmetrical pushed part; Described centrifugal is provided with and the corresponding pushed section of ratchet pushed part.Centrifugal pushed section cooperates with the pushed part of ratchet, by both joints each other, make centrifugal rotation drive the rotation of ratchet, because the pushed part of ratchet and centrifugal are for being symmetrical arranged, so no matter motor is a forward or reverse, all can reach effect same and purpose.
Described and the motor shaft head of hollow base frame junction are cylinder through parallel symmetry cutting shape; The hole that is complementary with the motor shaft head is established to accommodate the motor shaft head in one end overcoat, one bridging bearing of described hollow base frame and center; Described bridging bearing outer ring is supported on the shell.Hollow base frame obtains the support of bearing.
Described centrifugal is provided with positioner.Make centrifugal to have only when rotating speed reaches certain value, centrifugal centrifugal force just can overcome the restraining force of positioner, and first output shaft is by quiet instantaneous certain rotating speed that reaches, and the impulsive force of bringing is strong.When centrifugal speed is reduced to certain value, centrifugal block reset, motor bringing onto load starting when avoiding the next time starting, the use of unfavorable motor and bring strong impact can not for first output shaft.
Described positioner comprises: spring, spring base and steel ball, and the spring eye that the three places centrifugal contiguous center of gravity place to offer in proper order, the corresponding medial surface of described hollow base frame is provided with concave point with the overhead steel ball.Consider equilibrium of forces, described spring eye is near with the pin-and-hole distance, makes the timely and effective reliable reset of centrifugal action.
Be provided with lining between described first output shaft and the shell.First output shaft obtains lining and bridging bearing supports effectively, makes its output steadily, the generation of play situation up and down can not occur, and the output and the protecting sheathing that are beneficial to Motor torque are not influenced by the rotation of first output shaft.
The described first output shaft working end is rectangular, and the described second output shaft working end is that hexagonal hole is established in cylinder and centre.Satisfy multiple requirement, to improve the versatility of equipment.
Described first output shaft is stretched in shell one end outward, and described second output shaft is built in the other end of shell.Electric wrench is when utilizing the work of first output shaft, and built-in because of second output shaft, it rotates the use that does not influence electric wrench.
Described a plurality of centrifugal is two.The rotating that can realize first output shaft inserts.
Beneficial effect:
1, adopts the scope of application of the output expansion electric wrench of the different twin shafts of structure.
2, but electric wrench one end power connects the electric tool of other purposes, thereby save the essential motor of electric tool that connects therewith, effectively save cost, reduced the weight of repairing facility and taken up room, in maintenance process, need not frequently to plug the plug that equipment is connected with power supply, improve maintenance efficiency.
3, be provided with the transmission percussion mechanism between electric wrench first and the motor, when adopting first output shaft to be working shaft, break away from first output shaft during electric motor starting and be state, empty load of motor starts, and effectively protects motor; When motor speed reached certain rotating speed, both momentary engagement produced than thump first output shaft, and nut is easily removed stage makeup and costume under impact force action.
[description of drawings]
Fig. 1 is the utility model overall structure schematic diagram;
Fig. 2 is the utility model sectional structure schematic diagram;
Fig. 3 is the utility model shell Unclosing structure schematic diagram;
Fig. 4 is the utility model explosion structural representation;
Fig. 5 is the utility model partial structurtes schematic diagrames;
[specific embodiment]
Below in conjunction with embodiment and accompanying drawing and the utility model is further described:
The installation because the lead that is connected with motor 2, gauge tap, socket etc., employing conventional method connect up is so no longer be described.
As shown in Figure 1, 2, 3, the utility model comprises: shell 1, output shaft, place motor 2 and transmission percussion mechanism 4 in shell 1 chamber, the all outer side cover 22 of stretching in motor shaft 21 two ends, output shaft comprises first output shaft 5 and second output shaft 6, first output shaft 5 links to each other with motor shaft 21 1 ends by transmission percussion mechanism 4, second output shaft 6 is affixed with the other end of motor shaft 21, and first output shaft, 5 working ends are rectangular and stretch in shell 1 one ends outward, and second output shaft, 6 working ends are the other end of establishing hexagonal hole in the middle of the cylinder and being built in shell 1.Certain second output shaft 6 can design different contour structures and transport characteristics according to demand, exploitation, design one cover specific purpose tool, one end of other maintenance tool is pegged graft in the hexagonal hole of second output shaft 6, utilize the rotation of second output shaft 6 to make its action, complete and carry as tyre service tool combinations such as electric wrench and air pump, jack with car, the motor 2 of electric wrench becomes common motor 2, save the motor of other maintenance tool, effectively reduce the weight of the cost of a whole set of maintenance tool, the space of depositing and instrument.
Shown in Fig. 2,4, transmission percussion mechanism 4 comprises: hollow base frame 41, centrifugal 42, be fixed in the ratchet 43 on first output shaft 5; The both sides of hollow base frame 41 be socketed on first output shaft 5 by bearing 3 and and ratchet 43 between form a cavity; Two centrifugal 42 centrifugal 42 pin shaft hole 45 is positioned at an end of centrifugal 42 by bearing pin 44 symmetrical switchings on hollow base frame 41, and hollow base frame 41 1 ends link to each other with motor shaft 21.Motor shaft 21 heads of hollow base frame 41 junctions are cylinder through parallel symmetry cutting shape; The hole that is complementary with motor shaft 21 heads is established to accommodate motor shaft 21 heads in one end overcoat, one bridging bearing 7 of hollow base frame 41 and center; Bridging bearing 7 outer rings are supported on the shell 1, are provided with lining 8 between first output shaft 5 and the shell 1, and the setting of lining 8 and bridging bearing 7 is reliably located the output shaft 5 of winning, and make power output steadily.Be provided with positioner 46 for centrifugal 42, it comprises: spring 461, spring base 462 and steel ball 463, a spring 461 holes that the contiguous center of gravity place that the three places centrifugal 42 in proper order offers, hollow base frame 41 corresponding medial surfaces are provided with concave point with overhead steel ball 463, distance is near between pin shaft hole 45 and spring 461 holes, so that centrifugal 42 action is in time reliable.
As shown in Figure 5: ratchet 43 is provided with two symmetrical pushed parts 431.Be provided with for centrifugal 42 with ratchet 43 and push away corresponding pushed section 421, limit.
Course of action: the rotation of motor 2, drive hollow base frame 41 rotations that are connected with motor shaft 21 1 ends when driving the rotation of second output shaft 6, since between hollow base frame 41 and first output shaft 5 for bearing is connected, so the rotation of hollow base frame 41 can't cause 5 rotations of first output shaft.When the rotating speed of hollow seat body 41 reaches certain value, thrown away above after the position constraint power of steel ball 463 because of centrifugal action at centrifugal 42 on the hollow base frame 41 by bearing pin 44 switchings, pushed section 421 on centrifugal 42 embeds the pushed part 431 of the ratchet 43 that is fixed in first output shaft 5, promote ratchet 43, make the under static state instantaneous rotation of first output shaft 5, produce greater impact power.When rotating speed dropped to certain value, centrifugal force reduced, and centrifugal 42 resets, and prepares for work next time.
Claims (10)
1, electric wrench, comprise: shell (1), output shaft, place motor (2) and transmission percussion mechanism (4) in shell (1) chamber, the lead and the gauge tap that are electrically connected with motor (2), described motor comprises: motor shaft (21), side cover (22), it is characterized in that: all outer side cover (22) of stretching in described motor shaft (21) two ends, described output shaft comprises first output shaft (5) and second output shaft (6), described first output shaft (5) links to each other with motor shaft (21) one ends by transmission percussion mechanism (4), and described second output shaft (6) is located at the other end of motor shaft (21).
2, electric wrench according to claim 1 is characterized in that: described transmission percussion mechanism (4) comprising: hollow base frame (41), a plurality of centrifugal (42) and be fixed in ratchet (43) on first output shaft (5); The both sides of described hollow base frame (41) be socketed in by bearing (3) that first output shaft (5) is gone up and and ratchet (43) between form a cavity; Described a plurality of centrifugal (42) on hollow base frame (41), the pin shaft hole of described centrifugal (42) (422) is positioned at an end of centrifugal (42) by the switching of bearing pin (44) symmetry; Described hollow base frame (41) one ends link to each other with motor shaft (21).
3, electric wrench according to claim 2 is characterized in that: described ratchet (43) is provided with symmetrical pushed part (431); Described centrifugal (42) are provided with and the corresponding pushed section of ratchet (43) pushed part (431) (421).
4, electric wrench according to claim 3 is characterized in that: described and motor shaft (21) head of hollow base frame (41) junction are cylinder through parallel symmetry cutting shape; The hole that establish one end overcoat, one bridging bearing (7) of described hollow base frame (41) and center and motor shaft (21) head is complementary is to accommodate motor shaft (21) head; Described bridging bearing (7) outer ring is supported on the shell (1).
5, electric wrench according to claim 4 is characterized in that: described centrifugal (42) are provided with positioner (46).
6, electric wrench according to claim 5, it is characterized in that: described positioner (46) comprising: spring (461), spring base (462) and steel ball (463), a spring (461) hole that the three places the contiguous center of gravity place of centrifugal (42) to offer in proper order, the corresponding medial surface of described hollow base frame (41) is provided with concave point with overhead steel ball (463).
7, electric wrench according to claim 6 is characterized in that: be provided with lining (8) between described first output shaft (5) and the shell (1).
8, according to the described described electric wrench of the arbitrary claim of claim 1-7, it is characterized in that: described first output shaft (5) working end is rectangular, and described second output shaft (6) working end is that hexagonal hole is established in cylinder and centre.
9, electric wrench according to claim 8 is characterized in that: described first output shaft (5) is outer stretches in shell (1) one end, and described second output shaft (6) is built in the other end of shell (1).
10, electric wrench according to claim 9 is characterized in that: described a plurality of centrifugal (42) are two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200860385U CN201201207Y (en) | 2008-04-18 | 2008-04-18 | Electric wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200860385U CN201201207Y (en) | 2008-04-18 | 2008-04-18 | Electric wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201201207Y true CN201201207Y (en) | 2009-03-04 |
Family
ID=40423519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200860385U Expired - Fee Related CN201201207Y (en) | 2008-04-18 | 2008-04-18 | Electric wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201201207Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797735A (en) * | 2010-03-16 | 2010-08-11 | 王平飞 | Power torque wrench |
| CN104209914A (en) * | 2014-08-22 | 2014-12-17 | 常熟市董浜镇徐市鸿磊五金机械厂 | Double-headed wrench |
| CN104209933A (en) * | 2014-08-22 | 2014-12-17 | 常熟市董浜镇徐市鸿磊五金机械厂 | Multifunctional wrench |
| CN112706113A (en) * | 2020-12-22 | 2021-04-27 | 深圳市忆好网络科技有限公司 | Hand-held electric screw machine head for manufacturing and assembling television |
| TWI775459B (en) * | 2021-05-31 | 2022-08-21 | 瞬豐實業股份有限公司 | Power tool and torque display device thereof |
| US11633845B2 (en) | 2021-07-05 | 2023-04-25 | Matatakitoyo Tool Co., Ltd. | Power machine tool |
-
2008
- 2008-04-18 CN CNU2008200860385U patent/CN201201207Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797735A (en) * | 2010-03-16 | 2010-08-11 | 王平飞 | Power torque wrench |
| CN104209914A (en) * | 2014-08-22 | 2014-12-17 | 常熟市董浜镇徐市鸿磊五金机械厂 | Double-headed wrench |
| CN104209933A (en) * | 2014-08-22 | 2014-12-17 | 常熟市董浜镇徐市鸿磊五金机械厂 | Multifunctional wrench |
| CN112706113A (en) * | 2020-12-22 | 2021-04-27 | 深圳市忆好网络科技有限公司 | Hand-held electric screw machine head for manufacturing and assembling television |
| TWI775459B (en) * | 2021-05-31 | 2022-08-21 | 瞬豐實業股份有限公司 | Power tool and torque display device thereof |
| US11633845B2 (en) | 2021-07-05 | 2023-04-25 | Matatakitoyo Tool Co., Ltd. | Power machine tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201201207Y (en) | Electric wrench | |
| JP5726894B2 (en) | Device for detachably mounting a car battery | |
| CN201192829Y (en) | Auxiliary tool of air-actuated or electric driven spanners | |
| CN103447584B (en) | Rotary drill jig for processing flywheel | |
| CN204975945U (en) | Power battery makes screw machine | |
| CN101947726B (en) | Method and device for disassembling gear box of wind driven generator | |
| CN201573147U (en) | Socket wrench for internal installation of compressor rotor | |
| CN114894475A (en) | Wind power main bearing testing machine with shafting | |
| CN109926958B (en) | Quick labor-saving wrench for electric power overhaul | |
| CN201208882Y (en) | Vehicle tyre assembling and disassembling spanners | |
| CN102280836A (en) | Method for fastening insulator screw caps | |
| CN101363472B (en) | Main bearing for wind power generation | |
| CN102330751B (en) | Motor test spacer-bush-type coupling and dismounting method thereof | |
| CN201263066Y (en) | Electrified fastening stick for middle-phase insulator screw cap | |
| CN102437532A (en) | Electrified fastening stick for middle-phase insulator screw cap | |
| CN101635442A (en) | Electrified fastening rod for insulator nuts and method for fastening same | |
| CN115026563A (en) | Adjustable flange shaft nut automatic screwing machine | |
| CN201128355Y (en) | Assembling-disassembling machine for tyre of pneumatic automobile | |
| CN2770942Y (en) | Extruded wire winding tie cone device | |
| CN201269259Y (en) | Wind power generation main bearing | |
| CN202781085U (en) | Multifunctional electric wrench | |
| CN110539154A (en) | Automatic assembling equipment for high-altitude rescue vehicle coupler interface board | |
| CN201580948U (en) | Dual-purpose electric jack | |
| CN218313288U (en) | Device for separating motor test assembly | |
| CN101764461B (en) | Driving motor with shifting fork mechanism for hybrid electric vehicle |
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: 20090304 Termination date: 20160418 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |