CN202291639U - Mini saw - Google Patents
Mini saw Download PDFInfo
- Publication number
- CN202291639U CN202291639U CN2011203657977U CN201120365797U CN202291639U CN 202291639 U CN202291639 U CN 202291639U CN 2011203657977 U CN2011203657977 U CN 2011203657977U CN 201120365797 U CN201120365797 U CN 201120365797U CN 202291639 U CN202291639 U CN 202291639U
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- CN
- China
- Prior art keywords
- motor
- housing
- reciprocating lever
- curved tooth
- drive unit
- 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
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Abstract
A mini saw comprises a shell, a reciprocating lever, a driving device, a motor and a switch, wherein the reciprocating lever is arranged in the shell and can do reciprocating motion along the length direction of the shell; the driving device is arranged in the shell and comprises an input end and an output end driving the reciprocating lever to move; the motor is arranged in the shell, and the input shaft of the motor is connected with the input shaft of the driving device; the switch is used for controlling the open and close of the motor; and the mini saw is characterized in that the motor is transversally arranged in the shell, and the output shaft of the motor is parallel to the reciprocating lever. According to the mini saw, the motor is transversally arranged in the shell, the output shaft of the motor is parallel to the reciprocating lever, and the mini saw has a more compact structure and smaller volume compared with the vertical arranging mode between the output shaft of the motor and the reciprocating lever originally; in addition, the driving device adopts two curved-tooth gears vertically matched with a gear shaft, so that the driving strength is ensured, the occupied space caused by drive is reduced, and the overall volume of the device can be effectively reduced.
Description
Technical field
The utility model relates to a kind of electric tool, particularly a kind of mini saw.
Background technology
In machining; Often need use various saw cutting devices, be that the Chinese utility model patent " sweep-saw " of CN94219248.6 just discloses a kind of electronic portable sweep-saw like the patent No., is used to cut timber, plastics, metal etc.; Suitable especially carpenter, decoration industry and family are widely used; This patent by install in the enclosure motor, switch, transmission device, reciprocating lever, blade, and the base plate cover cap form, comprise also being installed in the inserts that is connected with motor on the shell that inserts is that the center bearing bracket of metal can bear rotatory force; Reduce the stressed of shell, thereby avoid the fracture and the wearing and tearing of shell.
And for example the patent No. is the saw cutting device that the Chinese utility model patent " portable sweep-saw " of CN00202043.2 then discloses a kind of like this structure; It comprises casing, motor, gear, roller, reciprocating lever and saw blade composition; Gear directly meshes through the rotor of bearing block and motor, the rotation of rotor is passed to the roller that is enclosed within on its little axle; Roller housing is in the chute of reciprocating lever; Reciprocating lever is connected on the plain bearing housing, and plain bearing housing is connected on the bearing fixed seat on the casing; Reciprocating lever drives and moves reciprocatingly through screw thread saw blade fixed thereon.
But; In above-mentioned two patents; The motor shaft direction of the reciprocating lever of saw cutting device and driving motor all is vertically disposed each other, and this set mode makes that the volume of whole device is bigger, can't accomplish compact on the structure; Make saw cutting device seem big and heavy, await to do further improvement.
Summary of the invention
The utility model technical problem to be solved is to above-mentioned prior art present situation the mini saw that a kind of structure is more compact, overall volume is small and exquisite to be provided.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of mini saw includes
Housing;
Reciprocating lever is arranged in the said housing and can moves reciprocatingly along the length direction of this housing;
Drive unit is arranged in the said housing, and this drive unit includes input and the output that drives said reciprocating lever motion;
Motor is arranged in the said housing, and the output shaft of this motor links to each other with the input of said drive unit;
Switch is installed on the said housing, is used to control the startup of said motor and close;
It is characterized in that: said motor is horizontally set in the said housing, and the output shaft of this motor and said reciprocating lever are and are arranged in parallel.
As preferably; Said drive unit includes motor gear, pinion, curved tooth pinion and curved tooth gear wheel; Wherein, said motor gear is socketed on the output shaft of said motor as the input of this drive unit, said pinion be socketed in the integrated gear shaft of said curved tooth pinion on; And this pinion and motor gear are meshed; Said curved tooth gear wheel be set in one with the perpendicular multidiameter of the gear shaft of said curved tooth pinion on; And; Also be provided with the latch that can rotate with this curved tooth gear wheel on the said curved tooth gear wheel; The bottom of said reciprocating lever is provided with the perpendicular chute of the direction of motion of opening direction and this reciprocating lever, and said latch matches as the output of said drive unit and said chute and merges and can back and forth reciprocatingly move along this chute.So, in drive unit, adopted two orthogonal curved tooth pinions of main shaft and curved tooth gear wheel, make that whole structure is more compact, help reducing the volume of equipment.
As preferably; Described switch includes outer button and the microswitch that is arranged at this enclosure interior of stretching in said outside; Said microswitch links to each other with the power input of said motor, said button be provided with this button be in can be inconsistent under the pushing state with the contact of said microswitch the press section.Because microswitch is arranged in the housing, has only under the situation that button press is gone down, and just can touch power turn-on, has guaranteed reliability used in everyday.
In order to prevent maloperation; Preferred as further; Said switch also includes a safety push-rod, and said housing longitudinally offers one can supply the slotted eye of this safety push-rod slip, and said safety push-rod vertically penetratingly is arranged on the said housing; And, said safety push-rod have can and the limiting block portion that offsets of said button.When not using, button blocks in the limiting block portion on the safety push-rod, prevents the button maloperation and presses; When using, safety push-rod is pushed along slotted eye from any side, make the setting of staggering of limiting block portion and button; At this moment, pushing button just can open the power switch of motor and carry out work.
In order to prevent that saw blade from rocking, and improve processing safety and reliability, as preferably, the front portion of said housing also is provided with a baffle plate, and the top of this baffle plate offers the slit that the saw blade that can supply to be connected with said reciprocating lever stretches out.
Compared with prior art; The advantage of the utility model is: motor is laterally placed in housing, made the output shaft of motor and reciprocating lever be parallel to each other, be compared to the vertically disposed mode of traditional motor output shaft and reciprocating lever; The structure of the utility model is more compact, and overall volume is littler; And, adopt the vertical each other curved tooth gear that cooperates of two gear shafts in the drive unit, both guaranteed the intensity of transmission, reduced the shared space of transmission again, also can reduce the overall volume of equipment effectively.
Description of drawings
Fig. 1 is the perspective view of the utility model embodiment.
Fig. 2 is the cutaway view of the utility model embodiment.
Fig. 3 is the partial exploded view of the utility model embodiment.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Like Fig. 1～shown in Figure 3; Present embodiment relates to a kind of manually operated mini saw; This mini saw includes housing 1; Be provided with motor 2, drive unit and reciprocating lever 3 in the main cavity 11 of this housing 1, the front portion of housing 1 is provided with a baffle plate 13, and the top of this baffle plate 13 offers the slit 131 that the saw blade that can supply to be connected with reciprocating lever 3 stretches out; Wherein, Reciprocating lever 3 can move reciprocatingly along the length direction of this housing 1; Drive unit includes input and the output that drives reciprocating lever 3 motions, and the output shaft 21 of motor 2 and the input of drive unit link to each other, and the output of drive unit links to each other with reciprocating lever 3; Handle 12 positions of housing 1 also are equipped with the startup of control motor 2 and the hand switch of closing, and also are provided with the battery 14 to motor 2 power supplies in the handle 12.
In order to reduce the volume of equipment, make that the structure of mini saw is more compact, in the present embodiment, motor 2 is horizontally set in the housing 1, and the output shaft of this motor 2 21 is with reciprocating lever 3 and is arranged in parallel;
Drive unit has adopted the secondary gear slowing-down structure; To realize the output of maximum cutting power; This drive unit includes motor gear 4, pinion 5, curved tooth pinion 6 and curved tooth gear wheel 7, and wherein, motor gear 4 is socketed on the output shaft 21 of motor 2 as the input of this drive unit; Pinion 5 be socketed in curved tooth pinion 6 integrated gear shafts on; And this pinion 5 is meshed with motor gear 4, and the motor gear 4 as the first class reducer structure adopts common involute gear with pinion 5 here;
Curved tooth gear wheel 7 be set in one with the perpendicular multidiameter 9 of the gear shaft of curved tooth pinion 6 on; Here the curved tooth pinion 6 as two reduction gear adopts spiral bevel gear respectively with curved tooth gear wheel 7; And also being provided with one on the curved tooth gear wheel 7 can be with the latch 71 of these curved tooth gear wheel 7 rotations, and the bottom of reciprocating lever 3 is provided with the perpendicular chute 31 of the direction of motion of opening direction and this reciprocating lever 3; Latch 71 matches as the output and the chute of drive unit; When curved tooth gear wheel 7 rotated, latch 71 was along with curved tooth gear wheel 7 rotates together, and latch 71 cooperates and the slippage back and forth along chute along straight line with chute all the time; So reciprocating lever 3 is realized moving back and forth under the drive of latch 71.
The switch of present embodiment includes button 81, is arranged at the microswitch 82 and the safety push-rod 83 of this housing 1 inside; Wherein, microswitch 82 is arranged at the inside of housing 1, and this microswitch 82 directly links to each other with the power input of motor 2; Button 81 outer outsides of stretching in housing 1; This button 81 has the inconsistent press section, contact of ability and microswitch 82, and promptly (under the pushing state) starts microswitch 82 when button 81 is pressed, thereby makes motor 2 rotate; The effect of safety push-rod 83 is in order to prevent maloperation, housing 1 longitudinally offer one can supply this safety push-rod 83 to slide slotted eye, safety push-rod 83 vertically penetratingly is arranged on the housing 1; Safety push-rod 83 have one can and the limiting block portion that offsets of button 81; Under non-working condition, the limiting block portion of safety push-rod 83 is positioned at the centre position of slotted eye, and button 81 blocks in the limiting block portion of safety push-rod 83; Prevent that button 81 from pressing; When needs normally use, can safety push-rod 83 be passed along slotted eye from any one direction, make the limiting block portion of safety push-rod 83 depart from the position, middle of slotted eye; Button 81 can be pressed, thereby realizes the normal running to mini saw.
Present embodiment makes that through the change of output shaft 21 positions of motor 2 and the variation of drive unit secondary gear slowing-down structure the structure of whole housing 1 inside is more compact and exquisite, and it is littler to realize that mini saw volume can be done, and is convenient for carrying and uses.
Claims (5)
1. a mini saw includes
Housing;
Reciprocating lever is arranged in the said housing and can moves reciprocatingly along the length direction of this housing;
Drive unit is arranged in the said housing, and this drive unit includes input and the output that drives said reciprocating lever motion;
Motor is arranged in the said housing, and the output shaft of this motor links to each other with the input of said drive unit;
Switch is installed on the said housing, is used to control the startup of said motor and close;
It is characterized in that: said motor is horizontally set in the said housing, and the output shaft of this motor and said reciprocating lever are and are arranged in parallel.
2. mini saw according to claim 1; It is characterized in that: said drive unit includes motor gear, pinion, curved tooth pinion and curved tooth gear wheel; Wherein, said motor gear is socketed on the output shaft of said motor as the input of this drive unit, said pinion be socketed in the integrated gear shaft of said curved tooth pinion on; And this pinion and motor gear are meshed; Said curved tooth gear wheel be set in one with the perpendicular multidiameter of the gear shaft of said curved tooth pinion on; And; Also be provided with the latch that can rotate with this curved tooth gear wheel on the said curved tooth gear wheel; The bottom of said reciprocating lever is provided with the perpendicular chute of the direction of motion of opening direction and this reciprocating lever, and said latch matches as the output of said drive unit and said chute and merges and can back and forth reciprocatingly move along this chute.
3. mini saw according to claim 1 and 2; It is characterized in that: described switch includes outer button and the microswitch that is arranged at this enclosure interior of stretching in said outside; Said microswitch links to each other with the power input of said motor, said button be provided with this button be in can be inconsistent under the pushing state with the contact of said microswitch the press section.
4. mini saw according to claim 3; It is characterized in that: said switch also includes a safety push-rod; Said housing longitudinally offers one can supply the slotted eye of this safety push-rod slip; Said safety push-rod vertically penetratingly is arranged on the said housing, and, said safety push-rod have can and the limiting block portion that offsets of said button.
5. mini saw according to claim 4 is characterized in that: the front portion of said housing also is provided with a baffle plate, and the top of this baffle plate offers the slit that the saw blade that can supply to be connected with said reciprocating lever stretches out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203657977U CN202291639U (en) | 2011-09-26 | 2011-09-26 | Mini saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203657977U CN202291639U (en) | 2011-09-26 | 2011-09-26 | Mini saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202291639U true CN202291639U (en) | 2012-07-04 |
Family
ID=46360618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203657977U Expired - Fee Related CN202291639U (en) | 2011-09-26 | 2011-09-26 | Mini saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202291639U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112970451A (en) * | 2019-12-02 | 2021-06-18 | 创科无线普通合伙 | Electric pruner |
-
2011
- 2011-09-26 CN CN2011203657977U patent/CN202291639U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112970451A (en) * | 2019-12-02 | 2021-06-18 | 创科无线普通合伙 | Electric pruner |
| CN112970451B (en) * | 2019-12-02 | 2024-01-30 | 创科无线普通合伙 | Electric pruning machine |
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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: 20120704 Termination date: 20150926 |
|
| EXPY | Termination of patent right or utility model |