CN2933672Y - Electric circular saw - Google Patents
Electric circular saw Download PDFInfo
- Publication number
- CN2933672Y CN2933672Y CN 200620132685 CN200620132685U CN2933672Y CN 2933672 Y CN2933672 Y CN 2933672Y CN 200620132685 CN200620132685 CN 200620132685 CN 200620132685 U CN200620132685 U CN 200620132685U CN 2933672 Y CN2933672 Y CN 2933672Y
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- CN
- China
- Prior art keywords
- indicating device
- electric circular
- base plate
- circular saw
- fuselage
- 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 - Lifetime
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Abstract
The utility model discloses an electric circular saw, which comprises a bottom plate, a machine body that connects the first pivot of the bottom plate, a saw bit that is arranged on the machine body and an indication device that connects the second pivot of the bottom plate. Wherein the indication device includes the indication end that is located in the plane of the saw bit; when the machine body swings opposite to the bottom plate, the machine body forces the saw bit and the indication device to swing together, the indication device rotates around the second pivot at the same time, this makes the indication end move in the plane of the saw bit, and indicate extension line of the intersectant line between the saw bit and the bottom plane of the bottom plate all the time. The new utility model can make the cutting line of the saw bit and the work pieces align accurately and cut the objects precisely.
Description
Technical field
The utility model relates to a kind of electric circular saw, especially a kind of electric circular saw that has indicating device.
Background technology
Electric circular saw is in to workpiece process, often relating to cuts sth. askew cuts, this just needs to adjust the deflection angle of saw blade and base plate bottom surface, because saw blade is generally all located in the middle of the base plate, make the saw blade position after the adjustment angle be difficult for being observed, thereby be unfavorable for aliging between saw blade and the work piece cut line, this just needs a kind of indicating device indication saw blade when various deflection angle and the extended line position of base plate bottom surface intersection.Prior art has disclosed various indicating devices, announce No. 4870758 as United States Patent (USP) and disclosed a kind of indicating device, it is when offering two otch at the base plate front end and indicate saw blade at special angle and the extended line position of base plate bottom surface intersection, but this indicating device can only be indicated the position of saw blade when several special angle, can only align with the work piece cut line by artificial estimation in position when other angles, be unfavorable for accurate cutting.And for example disclosed a kind of indicating device in another PCT patent application WO2004/011212A1 prospectus, it is by being installed in the laser beam emitting device on the fuselage, send the extended line of laser index line indication saw blade and base plate bottom surface intersection, thereby realize saw blade when deflection angle arbitrarily with the aliging of work piece cut line, but this laser indication device assembly is many, need power supply, elements such as circuit, make its assembling inconvenience, the cost height, and when non-transformer, influence the operate as normal of electric circular saw, be unfavorable for applying, simultaneously, when using laser indication electric circular saw under outdoor sunburst, laser beam is difficult for observing.
The utility model content
Technical problem to be solved in the utility model: a kind of electric circular saw that has indicating device is provided, by mechanical mode realize saw blade when the deflection angle arbitrarily with accurately the aliging of work piece cut line.
The technical problem that the utility model further solves: a kind of electric circular saw with the indicating device regulating part is provided, in the first process of assembling of indicating device or in the process that indicating device aligns with it again behind the replacing saw blade, regulating part is regulated the indication terminal position, makes it to be positioned at plane, saw blade place.
The technical solution of the utility model is: a kind of electric circular saw, comprise base plate, the fuselage pivotally connected with described base plate first, be installed on saw blade and indicating device on the described fuselage, wherein said indicating device and described fuselage second second pivot pivotally connected and that can wind perpendicular to described saw blade rotate, described indicating device comprises the indication end that is positioned at plane, saw blade place, when the described relatively base plate of described fuselage during around described first pivot swinging, described saw blade and described indicating device are followed described fuselage and are swung together, described indicating device rotates around described second pivot simultaneously, and the indication end of described indicating device is indicated the extended line of described saw blade and described base plate bottom surface intersection all the time.
Electric circular saw of the present utility model also comprises first regulating part, and described first regulating part is regulated the position of the described relatively fuselage of described indicating device on the second pivot direction, makes described indication end be positioned at plane, described saw blade place.
Electric circular saw of the present utility model also comprises second regulating part, described indicating device comprises with the pivotally connected installation portion of described fuselage second and by the oblique instruction unit of extending down of described installation portion, the terminal end that is positioned at described instruction unit near the base plate bottom surface of described indication, described instruction unit is connected by second regulating part with described installation portion, described second regulating part is regulated the position of the described relatively installation portion of described instruction unit on the second pivot direction, makes described indication end be positioned at plane, described saw blade place.
The utility model electric circular saw is because of having adopted the mechanical saw blade indicating device that aligns with the work piece cut line, accurately indicate the extended line position of saw blade and base plate bottom surface intersection when having realized any deflection angle of saw blade, make that again it is simple in structure, whole with low cost, easy to utilize.
Description of drawings
Fig. 1 is the three-dimensional exploded view of the electric circular saw of the utility model first preferred embodiment.
Fig. 2 is the stereogram of the indicating device of the utility model first preferred embodiment.
Fig. 3 is the partial elevation view of the electric circular saw of the utility model first preferred embodiment.
Fig. 4 is the cutaway view of Fig. 3 along the A-A direction.
Fig. 5 is the working state schematic representation of the electric circular saw of the utility model first preferred embodiment.
Fig. 6 is the local schematic top plan view of the electric circular saw of the utility model second preferred embodiment.
Fig. 7 is the local schematic top plan view of the electric circular saw of the utility model the 3rd preferred embodiment.Wherein:
1 fuselage; 2 base plates; 3 installed parts;
4 indicating devices; 5 first regulating parts; 6 flexible members;
7 nuts; The extended line of 8 saw blades and base plate bottom surface intersection; 9a, 9b second regulating part;
10 collars; 11 saw blades; 12 guard shields;
13 second pivotal mounting holes; 14 axis; 21 base plate bottom surfaces;
22 bearings; 23 supporting surfaces; 41 installation portions;
42 instruction units; 43 indications are terminal; 44 index lines;
45 curved surfaces; 46 edges; 411 through holes;
412 through holes; 4a, 4b indicating device; 41a, 41b installation portion;
42a, 42b instruction unit; The 411a screwed hole; The 411b through hole;
The 421a elongated slot; 421b screwed hole 43a, 43b indicate terminal;
The specific embodiment
Inventive concept of the present utility model is: indicating device is pivotally mounted on the fuselage, and servo-actuated is in the swing of fuselage, and the indication end of indicating device is arranged in plane, saw blade place is indicated saw blade and base plate bottom surface intersection all the time in the process of fuselage swing extended line; The terminal extended line that in being parallel to the plane of saw blade, moves, indicates saw blade and base plate bottom surface intersection near the base plate bottom surface of the feasible indication of indicating device pivot rotation simultaneously.
With reference to shown in Figure 1, in the utility model first preferred embodiment, a kind of electric circular saw comprises fuselage 1, base plate 2, installed part 3, indicating device 4, first regulating part 5, torsion spring 6 and nut 7.Fuselage 1 comprises the saw blade 11 that is driven rotation by motor (not shown), and part covers the guard shield 12 of saw blade 11 and is arranged on the second pivotal mounting hole 13 on the guard shield 12, and wherein the axis 14 in the second pivotal mounting hole 13 is perpendicular to saw blade 11.Base plate 2 comprises the base plate bottom surface 21 that can be placed on surface of the work, the 21 upwardly extending bearings 22 from the bottom surface.Other modes first that guard shield 12 is known by rivet, screw rod or industry are pivotally connected on the bearing 22 of base plate 2.
To shown in Figure 5, indicating device 4 comprises forked installation portion 41 and by installation portion 41 oblique instruction units 42 of extending down, wherein also is provided with coaxial through hole 411,412 on the installation portion 41 referring to Fig. 2; Indication terminal 43 is positioned at the end of instruction unit 42 near base plate bottom surface 21, and the upper surface of instruction unit 42 also is provided with the index line 44 of conspicuous color, as red or yellow; The lower surface of instruction unit 42 also is provided with curved surface 45; Indicating device is made by plastics or aluminium alloy usually, be to strengthen the intensity of instruction unit 42, and the edge 46 of instruction unit 42 protrudes to both sides respectively, and its cross section is that the edge is thick, the I-section of intermediate thin, as shown in Figure 4.
The through hole 411,412 of indicating device 4 aligns with the second pivotal mounting hole 13 on the guard shield 12 when mounted, and the through hole 411,412 and the second pivotal mounting hole 13 that installed part 3 passes first regulating part 5, torsion spring 6, indicating device 4 are threaded with nut 7.One end and the fuselage 1 of torsion spring 6 connect, and the other end and indicating device 4 connect and make indicating device 4 to base plate 2 bias voltages, and curved surface 45 is resisted against on the supporting surface 23 of base plate 2.First regulating part 5 comprises a plurality of pads or like, regulates indicating device 4 and the relative position of fuselage 1 on second pivotal axis, 14 directions by the mode of increase and decrease pad, makes the indication end 43 of indicating device 4 be positioned at the plane at saw blade place.
When needs are regulated the deflection angle of saw blade 11 with respect to base plate 2, cut sth. askew when cutting, with respect to base plate 2 around the first pivot swinging fuselage 1, driving saw blade 11 and indicating device 4 swings together, indicating device 4 is around 14 rotations of second pivotal axis simultaneously, curved surface 45 makes indicating device 4 smooth motion on supporting surface 23, and indication terminal 43 is indicating the extended line (as in Fig. 18 shown in) of saw blade 11 with base plate bottom surface 21 intersections all the time in the deflection.In the swing of fuselage 1 with in the process of second pivotal axis, 14 rotations, the curved surface 45 that is arranged so that of supporting surface 23 areas contacts with supporting surface 23 all the time in indicating device 4 servo-actuateds; Leave the gap between indication terminal 43 and the base plate bottom surface 21, in order to make the little indication of trying one's best of this gap more accurate, can so that indication terminal 43 extend as far as possible downwards, also can supporting surface 23 21 upwardly extending thickness are set to thickness less than base plate 2 from the base plate bottom surface.
Referring to Fig. 6 and shown in Figure 7, second and third preferred embodiment of the utility model and the first preferred embodiment difference are, the instruction unit 42a of indicating device 4a, 4b, 42b are connected with installation portion 41a, 41b movingly by the second regulating part 9a, 9b, and, make indication terminal 43a, 43b be positioned at plane, saw blade 11 place by the second regulating part 9a, 9b adjusting instruction unit 42a, the relative installation portion 41a of 42b, the position of 41b on the second pivot direction.
Referring to shown in Figure 6, the mode of the position adjustments of the second preferred embodiment realization relative installation portion 41a of instruction unit 42a on the second pivot direction is that the instruction unit 42a of indicating device 4a is connected with installation portion 41a by bolt 9a, wherein, installed part 41a is provided with screwed hole 411a, also is provided with on the instruction unit 42a along the elongated slot 421a on the second pivot direction.The elongated slot 421a that bolt 9a passes on the instruction unit 42a is threaded with screwed hole 411a on the installed part 41a.The 9a that loosers a bolt can regulate the relative installation portion 41a of instruction unit 42a along the position on the second pivot direction, makes the terminal 43a of indication of instruction unit 42a be positioned at plane, saw blade 11 place, and the 9a that tights a bolt then is locked instruction unit 42a and installation portion 41a.
Referring to shown in Figure 7, the mode of the position adjustments of the 3rd preferred embodiment realization relative installation portion 41b of instruction unit 42b on the second pivot direction is that the instruction unit 42b of indicating device 4b is connected with installation portion 41b by bolt 9b, wherein the instruction unit 42b of indicating device 4b is provided with the screwed hole 421b parallel with the second pivot direction, installation portion 41b is provided with the equidirectional through hole 411b of going up, bolt 9b passes through hole 411b, screwed hole 421b is connected with collar 10 axial restraints, and turn bolt 9b can make instruction unit 42b move on the second pivot direction relative to installation portion 41b and finish adjusting.
According to design of the present utility model, those skilled in the art are easy to expect first regulating part 5 in the utility model first preferred embodiment is used in combination with the second regulating part 9a or 9b in the second or the 3rd preferred embodiment respectively, thereby realize the adjusting of indication terminal position, as use first regulating part 5 to carry out coarse adjustment, use the second regulating part 9a or 9b to carry out accurate adjustment.Equally, the torsion spring 6 in first, second preferred embodiment of the utility model also can substitute as spiral spring or metal clips with other flexible members.
Claims (10)
1. electric circular saw, comprise base plate, the fuselage pivotally connected with described base plate first, be installed on saw blade and indicating device on the described fuselage, it is characterized in that: described indicating device and described fuselage second second pivot pivotally connected and that can wind perpendicular to described saw blade rotate, described indicating device comprises the indication end that is positioned at plane, saw blade place, when the described relatively base plate of described fuselage during around described first pivot swinging, described saw blade and described indicating device are followed described fuselage and are swung together, described indicating device rotates around described second pivot simultaneously, and the indication end of described indicating device is indicated the extended line of described saw blade and described base plate bottom surface intersection all the time.
2. electric circular saw according to claim 1, it is characterized in that: described electric circular saw also comprises flexible member, one end of described flexible member is connected with described fuselage, and the other end is connected with described indicating device makes described indicating device to described base plate bias voltage.
3. electric circular saw according to claim 1 and 2, it is characterized in that: described electric circular saw also comprises first regulating part, described first regulating part is regulated the position of the described relatively fuselage of described indicating device on the second pivot direction, makes described indication end be positioned at plane, described saw blade place.
4. electric circular saw according to claim 3 is characterized in that: described regulating part is a pad.
5. electric circular saw according to claim 1 and 2, it is characterized in that: described indicating device comprises that described indication end is positioned at the end of described instruction unit near the base plate bottom surface with the pivotally connected installation portion of described fuselage second and by the oblique instruction unit of extending down of described installation portion.
6. electric circular saw according to claim 5, it is characterized in that: described instruction unit (41a, 41b) be connected by second regulating part with described installation portion, described second regulating part is regulated the position of the described relatively installation portion of described instruction unit on the second pivot direction, makes described indication end be positioned at plane, described saw blade place.
7. electric circular saw according to claim 5 is characterized in that: described instruction unit is that the edge is thick, the I-section of intermediate thin perpendicular to the cross section of its bearing of trend.
8. electric circular saw according to claim 1 and 2, it is characterized in that: described indicating device is resisted against on the described base plate, the contact site of described indicating device and described base plate is set to curved surface, make described indicating device the swing and the pivot rotation process in motion smoothing.
9. electric circular saw according to claim 8 is characterized in that: described indicating device is in swing and pivot rotation process, and the curved surface of described indicating device contacts with described base plate all the time.
10. electric circular saw according to claim 1 and 2 is characterized in that: described indicating device is made by plastics or aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620132685 CN2933672Y (en) | 2006-08-17 | 2006-08-17 | Electric circular saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620132685 CN2933672Y (en) | 2006-08-17 | 2006-08-17 | Electric circular saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2933672Y true CN2933672Y (en) | 2007-08-15 |
Family
ID=38350361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620132685 Expired - Lifetime CN2933672Y (en) | 2006-08-17 | 2006-08-17 | Electric circular saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2933672Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101733471B (en) * | 2008-11-11 | 2012-12-12 | 株式会社牧田 | Cutting machine |
-
2006
- 2006-08-17 CN CN 200620132685 patent/CN2933672Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101733471B (en) * | 2008-11-11 | 2012-12-12 | 株式会社牧田 | Cutting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Electric circular saw Effective date of registration: 20100325 Granted publication date: 20070815 Pledgee: Bank of Communications Co., Ltd. Suzhou Industrial Park Branch | HSBC Bank (China) Co., Ltd. Suzhou Branch | Huaxia Bank Co., Ltd. Suzhou Branch | China Everbright Bank Suzhou Branch | Bank of China Co., Ltd. Suzhou Industrial Park Branch Pledgor: Baoshide Electric Tools Co., Ltd., Suzhou Registration number: 2010990000728 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20140211 Granted publication date: 20070815 Pledgee: Bank of Communications Co., Ltd. Suzhou Industrial Park Branch | HSBC Bank (China) Co., Ltd. Suzhou Branch | Huaxia Bank Co., Ltd. Suzhou Branch | China Everbright Bank Suzhou Branch | Bank of China Co., Ltd. Suzhou Industrial Park Branch Pledgor: Baoshide Electric Tools Co., Ltd., Suzhou Registration number: 2010990000728 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070815 |
|
| EXPY | Termination of patent right or utility model |