CN205200688U - High -speed portable electric circular saw - Google Patents
High -speed portable electric circular saw Download PDFInfo
- Publication number
- CN205200688U CN205200688U CN201521051305.1U CN201521051305U CN205200688U CN 205200688 U CN205200688 U CN 205200688U CN 201521051305 U CN201521051305 U CN 201521051305U CN 205200688 U CN205200688 U CN 205200688U
- Authority
- CN
- China
- Prior art keywords
- saw blade
- driving gear
- driven gear
- shell
- saw
- 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
The utility model provides a high -speed portable electric circular saw, includes shell, saw bit, motor and mounting panel, the shell sets up in the outside of saw bit the first half, and the shell setting is in the upper end of mounting panel, and the shell upper end is provided with handheld handle, and handheld handle front end is provided with shift knob, and the shell rear end is provided with the power cord, evenly is provided with the sawtooth around the saw bit, the damping groove of " W " type on the saw bit, the damping inslot is filled there is the damping material, is provided with the mounting hole in the middle of the saw bit, be provided with the first driving gear, a driven gear, second driving gear and the 2nd driven gear that mesh in proper order in the shell, the input of first driving gear and the output shaft of motor, a driven gear and the pivot of the same root of second driving gear sharing, the same root of the mounting hole sharing pivot of the 2nd driven gear and saw bit, the utility model discloses convenient taking is held, and the vibration range is little, and be safe high -efficient, not influenced by the work piece material, has good straight line guidance performance.
Description
Technical field
The utility model relates to machining equipment field, specifically a kind of high speed portable electric circular saw.
Background technology
Hand-held electric circular saw is divided into several specifications, has a kind of classification to carry out constant to cut the wooden degree of depth, and general to cut the wooden degree of depth darker, and the diameter of motor and saw blade is larger, and volume is namely larger, and hand-held dynamics also needs corresponding reinforcement mouth.In order to address this problem, market also there is the mode by adopting two-stage travelling gear, angle between two driving gear set is greater than 90 degree, be generally between 100 ~ 120 degree, arrange like this and look larger, the spacing between two driving gear set is large, the dynamics of hand-held requires larger, for the staff that strength is less, take up and compare effort, there is certain potential safety hazard; Staff carries out cutting in the process of timber at use electric circular saw, and the Oscillation Amplitude of saw blade greatly easily produces and rocks, and seriously saw blade can split away off, and affects cutting efficiency, also reduces the life-span of cut quality and saw blade simultaneously; In addition, transmission electric circular saw is by the restriction of jig size, and when cutting large width material, jig can not extend outside material, thus cannot lean against on straight line planar object, thus cannot carry out linear operating; During actual use, only the side of jig leans against on planar object usually, and when object edge is not straight, electric circular saw still has and may offset to opposite side, can not ensure the quality of cutting straight line.
Utility model content
The purpose of this utility model is to provide a kind of convenient by holding, and Oscillation Amplitude is little, safe and efficient, does not affect by workpiece material, has the high speed portable electric circular saw of good straight-line guidance performance, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of high speed portable electric circular saw, comprise shell, saw blade, motor and supporting plate, described shell is arranged on the outside of saw blade the first half, shell is arranged on the upper end of supporting plate, shell upper end is provided with hand-held handle, hand-held handle front end is provided with shift knob, outer casing back is provided with power line, evenly sawtooth is provided with around saw blade, the Silencing groove of " W " type on described saw blade, damping material is filled with in Silencing groove, installing hole is provided with in the middle of saw blade, the first driving gear engaged successively is provided with in described shell, first driven gear, second driving gear and the second driven gear, the input of the first driving gear is connected with the output shaft of motor, described first driven gear and the second driving gear share same rotating shaft, the installing hole of described second driven gear and saw blade shares same rotating shaft, angle between the line of centres of the first driving gear and the first driven gear and the line of centres of the second driving gear and the second driven gear is less than 90 °, opening is provided with in the middle part of described supporting plate, saw blade to be located in opening and to be stretched out in below supporting plate, end, supporting plate rear end is connected with T-shape guider, T-shape guider comprises horizontally disposed reference plate and the guided plate perpendicular to reference plate, the lower surface of reference plate and the lower surface coplanar of supporting plate, guided plate and saw blade coplanar, both sides in saw blade horizontal direction are provided with chuck, chuck is fixed on shell, and between the space of saw blade between two chucks.
Further, described guided plate is positioned at the below of supporting plate lower surface.
Further, the kerf width of the Thickness Ratio saw blade cutting formation of described guided plate is little.
Further, the angle between the line of centres of the line of centres of described first driving gear, the first driven gear and the second driving gear, the second driven gear is 60 ° ~ 85 °.
Further, the Silencing groove of described " W " type runs through the setting of saw blade two sides.
Compared with prior art, the beneficial effects of the utility model are: the Silencing groove of " W " type on saw blade, damping material is filled with in Silencing groove, damping material passes through damping action, absorb the vibrational energy on saw blade, reduce vibrating effect, make saw blade work more stable, and then improve cut quality and saw blade lifetime; Angle between the line of centres of the first driving gear and the first driven gear and the line of centres of the second driving gear and the second driven gear is less than 90 °, the air line distance between the first driving gear and the second driven gear can be made to shorten, be conducive to shortening the height distance between hand-held handle and supporting plate, reduce the center of gravity of hand-held, greatly be convenient to, by holding, improve the security of use; In the cutting process of electric circular saw, guided plate can enter in the saw kerf that saw blade formed on workpiece, thus realizes straight cuts, the thickness of guided plate is not more than the width of the saw kerf that saw blade is formed, greatly reduce the resistance that electric saw is advanced, reduce and put on electric circular saw thrust forward, easy to use.
The utility model is convenient by holding, and Oscillation Amplitude is little, safe and efficient, does not affect by workpiece material, has good straight-line guidance performance.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of high speed portable electric circular saw.
In figure: 1-shell, 2-saw blade, 3-sawtooth, 4-Silencing groove, 5-supporting plate, 6-chuck, 7-second driven gear, 8-first driving gear, 9-first driven gear, 10-second driving gear, the hand-held handle of 11-, 12-shift knob, 13-power line, 14-reference plate, 15-guided plate.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of high speed portable electric circular saw, comprise shell 1, saw blade 2, motor and supporting plate 5, described shell 1 is arranged on the outside of saw blade 2 the first half, shell 1 is arranged on the upper end of supporting plate 5, shell 1 upper end is provided with hand-held handle 11, hand-held handle 11 front end is provided with shift knob 12, shell 1 rear end is provided with power line 13, sawtooth 3 is evenly provided with around saw blade 2, the Silencing groove 4 of " W " type on described saw blade 2, damping material is filled with in Silencing groove 4, installing hole is provided with in the middle of saw blade 2, the first driving gear 8 engaged successively is provided with in described shell 1, first driven gear 9, second driving gear 10 and the second driven gear 7, the input of the first driving gear 8 is connected with the output shaft of motor, described first driven gear 9 and the second driving gear 10 share same rotating shaft, described second driven gear 7 shares same rotating shaft with the installing hole of saw blade 2, the line of centres of the first driving gear 8 and the first driven gear 9 and the angle between the second driving gear 10 and the line of centres of the second driven gear 7 are less than 90 °, opening is provided with in the middle part of described supporting plate 5, saw blade 2 to be located in opening and to be stretched out in below supporting plate 5, end, supporting plate 5 rear end is connected with T-shape guider, T-shape guider comprises horizontally disposed reference plate 14 and the guided plate 15 perpendicular to reference plate 14, the lower surface of reference plate 14 and the lower surface coplanar of supporting plate 5, guided plate 15 and saw blade 2 coplanar, both sides in saw blade 2 horizontal direction are provided with chuck 6, chuck 6 is fixed on shell 1, and between the space of saw blade 2 between two chucks 6.
In embodiment, described guided plate 15 is positioned at the below of supporting plate 5 lower surface, and during cutting, guided plate 15 enters saw blade 2 and formed in saw kerf on workpiece, thus realizes straight cuts.
In embodiment, the kerf width that Thickness Ratio saw blade 2 cutting of described guided plate 15 is formed is little, greatly reduces the resistance that electric saw is advanced, decreases and be applied to electric circular saw thrust forward, easy to operate.
In embodiment, the angle between the line of centres of described first driving gear 8, first driven gear 9 and the line of centres of the second driving gear 10, second driven gear 7 is 60 ° ~ 85 °.
In embodiment, the Silencing groove 4 of described " W " type runs through saw blade 2 two sides and arranges.
Operation principle of the present utility model is: the Silencing groove 4 of " W " type on saw blade, damping material is filled with in Silencing groove 4, damping material passes through damping action, absorb the vibrational energy on saw blade 2, reduce vibrating effect, saw blade 2 is worked more stable, and then improve cut quality and saw blade 2 service life; The line of centres of the first driving gear 8 and the first driven gear 9 and the angle between the second driving gear 10 and the line of centres of the second driven gear 7 are less than 90 °, the air line distance between the first driving gear 8 and the second driven gear 7 can be made to shorten, be conducive to shortening the height distance between hand-held handle 11 and supporting plate 5, reduce the center of gravity of hand-held, greatly be convenient to, by holding, improve the security of use; In the cutting process of electric circular saw, guided plate 15 can enter in the saw kerf that saw blade 2 formed on workpiece, thus realize straight cuts, the thickness of guided plate 15 is not more than the width of the saw kerf that saw blade 2 is formed, greatly reduce the resistance that electric saw is advanced, reduce and put on electric circular saw thrust forward, easy to use; In the space of saw blade 2 between two chucks 6, when saw blade 2 rotates, saw blade 2 tightly grasps by chuck 6, and when preventing running, saw blade 2 comes off, and ensures the reliability in saw blade 2 course of work.
Claims (5)
1. a high speed portable electric circular saw, comprise shell, saw blade, motor and supporting plate, it is characterized in that, described shell is arranged on the outside of saw blade the first half, shell is arranged on the upper end of supporting plate, shell upper end is provided with hand-held handle, hand-held handle front end is provided with shift knob, outer casing back is provided with power line, evenly sawtooth is provided with around saw blade, the Silencing groove of " W " type on described saw blade, damping material is filled with in Silencing groove, installing hole is provided with in the middle of saw blade, the first driving gear engaged successively is provided with in described shell, first driven gear, second driving gear and the second driven gear, the input of the first driving gear is connected with the output shaft of motor, described first driven gear and the second driving gear share same rotating shaft, the installing hole of described second driven gear and saw blade shares same rotating shaft, angle between the line of centres of the first driving gear and the first driven gear and the line of centres of the second driving gear and the second driven gear is less than 90 °, opening is provided with in the middle part of described supporting plate, saw blade to be located in opening and to be stretched out in below supporting plate, end, supporting plate rear end is connected with T-shape guider, T-shape guider comprises horizontally disposed reference plate and the guided plate perpendicular to reference plate, the lower surface of reference plate and the lower surface coplanar of supporting plate, guided plate and saw blade coplanar, both sides in saw blade horizontal direction are provided with chuck, chuck is fixed on shell, and between the space of saw blade between two chucks.
2. a kind of high speed portable electric circular saw according to claim 1, it is characterized in that, described guided plate is positioned at the below of supporting plate lower surface.
3. a kind of high speed portable electric circular saw according to claim 1, is characterized in that, the kerf width that the Thickness Ratio saw blade cutting of described guided plate is formed is little.
4. a kind of high speed portable electric circular saw according to claim 1, is characterized in that, the angle between the line of centres of the line of centres of described first driving gear, the first driven gear and the second driving gear, the second driven gear is 60 ° ~ 85 °.
5. a kind of high speed portable electric circular saw according to claim 1, is characterized in that, the Silencing groove of described " W " type runs through saw blade two sides and arranges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521051305.1U CN205200688U (en) | 2015-12-16 | 2015-12-16 | High -speed portable electric circular saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521051305.1U CN205200688U (en) | 2015-12-16 | 2015-12-16 | High -speed portable electric circular saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205200688U true CN205200688U (en) | 2016-05-04 |
Family
ID=55838429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521051305.1U Expired - Fee Related CN205200688U (en) | 2015-12-16 | 2015-12-16 | High -speed portable electric circular saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205200688U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106182447A (en) * | 2016-07-11 | 2016-12-07 | 河北工业大学 | A kind of saw blade and preparation method thereof |
-
2015
- 2015-12-16 CN CN201521051305.1U patent/CN205200688U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106182447A (en) * | 2016-07-11 | 2016-12-07 | 河北工业大学 | A kind of saw blade and preparation method thereof |
| CN106182447B (en) * | 2016-07-11 | 2017-10-20 | 河北工业大学 | A kind of saw blade and preparation method thereof |
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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: 20160504 Termination date: 20161216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |