CN103406883A - Movable lock catch and handheld circular saw - Google Patents
Movable lock catch and handheld circular saw Download PDFInfo
- Publication number
- CN103406883A CN103406883A CN201310336507XA CN201310336507A CN103406883A CN 103406883 A CN103406883 A CN 103406883A CN 201310336507X A CN201310336507X A CN 201310336507XA CN 201310336507 A CN201310336507 A CN 201310336507A CN 103406883 A CN103406883 A CN 103406883A
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- lock dog
- dog seat
- rotating shaft
- seat
- knob
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Abstract
The invention provides a movable lock catch and a handheld circular saw with the same. The movable lock catch comprises a locking piece seat, a rotating shaft and a connecting fastener, a via hole capable of allowing a rotating shaft to pass through is formed in the locking piece seat, one end of the rotating shaft penetrates the locking piece seat to be connected with a knob and rotates with the knob, the other end of the rotating shaft is provided with a square-head locking piece with a square head, the square head rotates with the rotating shaft to the inside of the locking piece seat or extend out of the locking piece seat when the rotating shaft rotates, and the locking piece seat is fixed on a to-be-locked device by the connecting fastener. The movable lock catch cuts forward together with the circular saw along a guide rail; when the movable lock catch is at an open position, the circular saw is allowed to move along a cutting direction of the guide rail and is prevented from leaving the guide rail to move towards a direction of a user; when backlash happens, the circular saw is limited on the guide rail by the movable lock catch. The handheld circular saw is safer and more reliable to operate.
Description
Technical field
The present invention relates to a kind ofly for the movable snap close on hand-held circular saw, this activity snap close is particularly suitable for being used on the annular saw with cut-in type feed action.
Background technology
The hand-held circular saw of cut-in type feed, can produce recoil when the saw blade of rotation is cut workpiece, the recoil strength produced can make annular saw leave guide rail and fly to the user.In order to prevent that annular saw from leaving the direction motion of guide rail towards the user, usually all adopt anti-recoil mechanism, when recoil occurs, by anti-recoil mechanism, annular saw is limited on guide rail, hand-held circular saw is operated safer, reliable.But existing anti-recoil mechanism reliability is not high, anti-recoil effect is limited, the anti-recoil lock dog adopted as European patent EP 1418018B1 limits anti-recoil position, only can play anti-recoil effect at ad-hoc location, and anti-recoil lock dog configuration underaction is convenient.
Summary of the invention
The object of the invention is to provide a kind of movable snap close, can be used on hand-held circular saw, flexible for installation quick, plays better anti-recoil function.
The technical solution used in the present invention is:
A kind of movable snap close, is characterized in that, comprising:
The lock dog seat, described lock dog seat is provided with and can holds the via hole that rotating shaft is passed through;
Rotating shaft, described rotating shaft one end are passed described lock dog seat and are connected with a knob, and rotate with the rotation of knob; The described rotating shaft other end arranges a square toes lock dog, and the head of described square toes lock dog is square, and during the rotating shaft rotation, this square head rotates thereupon to the lock dog seat or stretches out outside the lock dog seat;
Connect securing member, described lock dog seat is fixed in and treats on locking device.
Described connection securing member is a screw of handle with the hand-screw handle, and movable snap close can not carry out fast assembling-disassembling by instrument.
In described lock dog seat, have one and can hold in the ，Qie Gai space, space of square toes lock dog of rotation and have side, two location, side, two location fits with the leading flank of described square head portion towards two direction of rotation respectively.
Described knob is provided with a raised points towards the face of lock dog seat, on described lock dog seat, make square head portion be positioned at inside and outside two positions of lock dog seat during the rotation of corresponding knob respectively to be provided with two pits that coordinate with described raised points, while making described knob rotation, raised points can enter pit, the above the fold sense is arranged, make simultaneously square head portion lay respectively at inside and outside two positions of lock dog seat, play the assist location effect.
A kind of hand-held circular saw comprises:
Housing, described housing is for holding motor;
Gearbox, described gearbox is for holding gear, and described gear one end is connected with described motor, and the other end is connected with output shaft;
Saw blade, described saw blade is connected with described output shaft;
Main handle, described main handle is provided with the machine switch;
Base, described base have one and be suitable for the lower surface slided on workpiece or guide rails, on described lower surface, have a groove, and described groove can match with corresponding linear track on described guide rail;
Protective cover, described protective cover are arranged on described base top one side, and described protective cover can carry out the upset of certain angle to the side of described base, and described protective cover can hold described saw blade above described base;
Between linkwork, described gearbox or housing and described protective cover, be connected by described linkwork, thus make described output shaft and saw blade can relatively described base or protective cover between parking place and cutting into position, switch;
It is characterized in that, on a side of described base, be provided with a movable snap close, a flange towards described movable snap close is arranged on described guide rail, described movable snap close comprises:
Lock dog seat, described lock dog seat are provided with and hold rotating shaft and pass through via hole;
Rotating shaft, described rotating shaft one end are passed described lock dog seat and are connected with a knob, and rotate with the rotation of knob; The described rotating shaft other end arranges a square toes lock dog, and the head of described square toes lock dog is square, and rotating shaft when rotation, this square head is thereupon rotating to the lock dog seat or stretching out the lock dog seat and extend in described flange;
Connect securing member, described lock dog seat removably is connected on described base.
Described movable snap close is arranged on described base by a screw of handle with the hand-screw handle, and movable snap close can not carry out fast assembling-disassembling by instrument.
In described lock dog seat or on described base, have an outside fix side, when described square head portion was positioned at described flange, described outside fix side and described square head portion fitted towards the leading flank of the described flange direction of motion.
In described lock dog seat or on described base, have a side, interior location, when described square head portion was positioned at described lock dog seat, described side, interior location and described square head portion fitted towards the leading flank of the described lock dog seat direction of motion.
Described knob is provided with a raised points towards the face of lock dog seat, on described lock dog seat, make square head portion be positioned at inside and outside two positions of lock dog seat during the rotation of corresponding knob respectively to be provided with two pits that coordinate with described raised points.
The beneficial effect that the present invention reaches:
The invention provides a kind of movable snap close be arranged on the hand-held circular saw base, movable snap close cuts forward along guide rail with annular saw, when the active lock buckle in enable possition, to allow annular saw to move along cut direction along guide rail, and prevent that annular saw from leaving the direction motion of guide rail towards the user, when recoil occurs, annular saw will be limited on guide rail by movable snap close, hand-held circular saw be operated safer, reliable.Movable snap close of the present invention can be arranged on the base of hand-held circular saw as required easily, flexible for installation quick; By coordinating of square toes lock dog and flange, can on guide rail, play anti-recoil function in optional position; Square head portion is preventing that saw is more reliable on recoiling.
The accompanying drawing explanation
Fig. 1 implements the present invention and is positioned over hand-held circular saw schematic perspective view on guide rail;
Fig. 2 is hand-held circular saw of the present invention and movable snap close schematic perspective view;
Fig. 3 is the in running order front projection's schematic diagram of hand-held circular saw of the present invention;
Fig. 4 is the three-dimensional assembling of activity snap close of the present invention schematic diagram;
Fig. 5 is that the hand-held circular saw that activity snap close of the present invention is housed is positioned at local schematic top plan view on guide rail;
Fig. 6 is that hand-held circular saw that activity snap close of the present invention is housed is positioned at section on guide rail and looks schematic diagram;
Fig. 7 is that schematic diagram is looked in the described square toes lock dog rotation of hand-held circular saw that activity snap close of the present invention is housed;
Fig. 8 is equipped with active lock of the present invention to smash described lock dog seat and described knob mating surface front view.
The implication of Reference numeral in figure:
1, housing, 2, base, 3, movable snap close, 4, groove, 5, linear track, 6, guide rail, 7, linkwork, 8, protective cover, 9, main handle, 10, switch, 11, gearbox, 12, screw of handle, 13, mount pad, 14, saw blade, 15, the square toes lock dog, 16, flange, 17, rotating shaft, 18, the lock dog seat, 19, knob, 20, circlip, 21, the knob lid, 22, side, interior location, 23, interior leading flank, 24, outer leading flank, 25, the outside fix side, 26, raised points, 27, pit, A, cut direction, B, square toes lock dog direction of rotation.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.Following examples are only for technical scheme of the present invention more clearly is described, and can not limit the scope of the invention with this.
As Fig. 4,5, shown in Figure 7, movable snap close 3 of the present invention can be used for, on hand-held circular saw, comprising: lock dog seat 18, rotating shaft 17 and knob 19.Lock dog seat 18 is provided with and can holds the via hole that rotating shaft 17 is passed through; Rotating shaft 17 1 ends pass lock dog seat 18 and are connected with knob 19, break away from rotating shafts 17 for preventing knob 19, on rotating shaft 17 upper knobs 19, a circlip 20 are set, and at the outer knob lid 21 connected as one with knob 19 tops that arranges of circlip 20.Rotating shaft 17 other ends arrange a square toes lock dog 15, and the head of square toes lock dog 15 is square, and rotating shaft 17 is rotated with the rotation of knob 19, and during rotating shaft 17 rotation, this square head rotates thereupon to lock dog seat 18 or stretches out outside lock dog seat 18.
In lock dog seat 18, have one and can hold in the ，Qie Gai space, space of square toes lock dog 15 of rotation and have side, two location, side, two location fits with the leading flank of square head portion direction B in two direction of rotation such as figure respectively.
As shown in Figure 8, knob 19 is provided with a raised points 26 towards the face of lock dog seat 18, on lock dog seat 18, make square head portion be positioned at inside and outside two positions of lock dog seat 18 during 19 rotation of corresponding knob respectively to be provided with two pits 27 that coordinate with raised points 26.While making described knob rotation, raised points 26 can enter pit 27, and the above the fold sense is arranged, and makes simultaneously square head portion lay respectively at inside and outside two positions of lock dog seat, plays the assist location effect.
As shown in Fig. 1,2,3 and 6, have the hand-held circular saw of movable snap close, comprising: housing 1, gearbox 11, saw blade 14, main handle 9, base 2, protective cover 8 and linkwork 7.
On a side of base 2, be provided with a movable snap close 3, a flange towards movable snap close 3 16 is arranged on guide rail 6, movable snap close 3 comprises: lock dog seat 18, rotating shaft 17 and knob 19.
As shown in Figure 7, have an outside fix side in lock dog seat 18 or on base 2, when square head portion was positioned at described flange 16, outside fix side 25 fitted towards the interior leading flank 24 of flange 16 directions of motion with square head portion.
In lock dog seat 18 or on base 2, have a side, interior location, when square head portion was positioned at lock dog seat 18, side, interior location 22 fitted towards the outer leading flank 23 of lock dog seat 18 directions of motion with square head portion.
As shown in Figure 8, knob 19 is provided with a raised points 26 towards the face of lock dog seat 18, on lock dog seat 18, make square head portion be positioned at inside and outside two positions of lock dog seat 18 during 19 rotation of corresponding knob respectively to be provided with two pits 27 that coordinate with raised points 26.While making described knob rotation, raised points 26 can enter pit 27, and the above the fold sense is arranged, and makes simultaneously square head portion lay respectively at inside and outside two positions of lock dog seat, plays the assist location effect.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvement and distortion, these improvement and distortion also should be considered as protection scope of the present invention.
Claims (9)
1. a movable snap close, is characterized in that, comprising:
The lock dog seat, described lock dog seat is provided with and can holds the via hole that rotating shaft is passed through;
Rotating shaft, described rotating shaft one end are passed described lock dog seat and are connected with a knob, and rotate with the rotation of knob; The described rotating shaft other end arranges a square toes lock dog, and the head of described square toes lock dog is square, and during the rotating shaft rotation, this square head rotates thereupon to the lock dog seat or stretches out outside the lock dog seat;
Connect securing member, described lock dog seat is fixed in and treats on locking device.
2. movable snap close according to claim 1, is characterized in that, described connection securing member is a screw of handle with the hand-screw handle.
3. movable snap close according to claim 1, it is characterized in that, in described lock dog seat, have one and can hold in the ，Qie Gai space, space of square toes lock dog of rotation and have side, two location, side, two location fits with the leading flank of described square head portion towards two direction of rotation respectively.
4. movable snap close according to claim 1, it is characterized in that, described knob is provided with a raised points towards the face of lock dog seat, on described lock dog seat, make square head portion be positioned at inside and outside two positions of lock dog seat during the rotation of corresponding knob respectively to be provided with two pits that coordinate with described raised points.
5. hand-held circular saw comprises:
Housing, described housing is for holding motor;
Gearbox, described gearbox is for holding gear, and described gear one end is connected with described motor, and the other end is connected with output shaft;
Saw blade, described saw blade is connected with described output shaft;
Main handle, described main handle is provided with the machine switch;
Base, described base have one and be suitable for the lower surface slided on workpiece or guide rails, on described lower surface, have a groove, and described groove can match with corresponding linear track on described guide rail;
Protective cover, described protective cover are arranged on described base top one side, and described protective cover can carry out the upset of certain angle to the side of described base, and described protective cover can hold described saw blade above described base;
Between linkwork, described gearbox or housing and described protective cover, be connected by described linkwork, thus make described output shaft and saw blade can relatively described base or protective cover between parking place and cutting into position, switch;
It is characterized in that, on a side of described base, be provided with a movable snap close, a flange towards described movable snap close is arranged on described guide rail, described movable snap close comprises:
Lock dog seat, described lock dog seat are provided with and hold rotating shaft and pass through via hole;
Rotating shaft, described rotating shaft one end are passed described lock dog seat and are connected with a knob, and rotate with the rotation of knob; The described rotating shaft other end arranges a square toes lock dog, and the head of described square toes lock dog is square, and rotating shaft when rotation, this square head is thereupon rotating to the lock dog seat or stretching out the lock dog seat and extend in described flange;
Connect securing member, described lock dog seat removably is connected on described base.
6. hand-held circular saw according to claim 5, is characterized in that, described movable snap close is arranged on described base by a screw of handle with the hand-screw handle.
7. hand-held circular saw according to claim 5, it is characterized in that, in described lock dog seat or on described base, have an outside fix side, when described square head portion was positioned at described flange, described outside fix side and described square head portion fitted towards the leading flank of the described flange direction of motion.
8. hand-held circular saw according to claim 5, it is characterized in that, in described lock dog seat or on described base, has a side, interior location, when described square head portion was positioned at described lock dog seat, described side, interior location and described square head portion fitted towards the leading flank of the described lock dog seat direction of motion.
9. hand-held circular saw according to claim 5, it is characterized in that, described knob is provided with a raised points towards the face of lock dog seat, on described lock dog seat, make square head portion be positioned at inside and outside two positions of lock dog seat during the rotation of corresponding knob respectively to be provided with two pits that coordinate with described raised points.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310336507.XA CN103406883B (en) | 2013-08-05 | 2013-08-05 | Handheld circular saw |
| DE112013007240.8T DE112013007240B4 (en) | 2013-07-15 | 2013-11-08 | Portable circular saw |
| PCT/CN2013/086749 WO2015007032A1 (en) | 2013-07-15 | 2013-11-08 | Portable hand-held circular saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310336507.XA CN103406883B (en) | 2013-08-05 | 2013-08-05 | Handheld circular saw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103406883A true CN103406883A (en) | 2013-11-27 |
| CN103406883B CN103406883B (en) | 2015-06-03 |
Family
ID=49599949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310336507.XA Active CN103406883B (en) | 2013-07-15 | 2013-08-05 | Handheld circular saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103406883B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106607957A (en) * | 2015-10-26 | 2017-05-03 | 安徽港源家居工艺品有限公司 | Electric circular saw and electric circular saw guide plate suitable for electric circular saw |
| CN107639294A (en) * | 2016-07-21 | 2018-01-30 | 力山工业股份有限公司 | Has the safe folding method of fool proof collapsible sawing machine and sawing machine |
| CN112533736A (en) * | 2018-06-06 | 2021-03-19 | 沃尔夫克拉夫特公司 | Guide rail with guide carriage for a hand-held circular saw |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8516029U1 (en) * | 1985-06-01 | 1985-07-18 | Mafell Maschinenfabrik Rudolf Mey GmbH & Co KG, 7238 Oberndorf | Longitudinal guide, especially for a circular saw |
| CN2102826U (en) * | 1990-10-31 | 1992-04-29 | 盖天座 | Helve assembly combined tool |
| CN2778487Y (en) * | 2005-03-21 | 2006-05-10 | 强网工业股份有限公司 | Silencing type main shaft locking device |
| CN102218729A (en) * | 2006-12-21 | 2011-10-19 | 苏州宝时得电动工具有限公司 | Power tool |
| CN102806388A (en) * | 2012-07-04 | 2012-12-05 | 江苏苏美达五金工具有限公司 | Electric miter saw |
| CN103128718A (en) * | 2011-12-01 | 2013-06-05 | 株式会社牧田 | Electric tools |
-
2013
- 2013-08-05 CN CN201310336507.XA patent/CN103406883B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8516029U1 (en) * | 1985-06-01 | 1985-07-18 | Mafell Maschinenfabrik Rudolf Mey GmbH & Co KG, 7238 Oberndorf | Longitudinal guide, especially for a circular saw |
| CN2102826U (en) * | 1990-10-31 | 1992-04-29 | 盖天座 | Helve assembly combined tool |
| CN2778487Y (en) * | 2005-03-21 | 2006-05-10 | 强网工业股份有限公司 | Silencing type main shaft locking device |
| CN102218729A (en) * | 2006-12-21 | 2011-10-19 | 苏州宝时得电动工具有限公司 | Power tool |
| CN103128718A (en) * | 2011-12-01 | 2013-06-05 | 株式会社牧田 | Electric tools |
| CN102806388A (en) * | 2012-07-04 | 2012-12-05 | 江苏苏美达五金工具有限公司 | Electric miter saw |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106607957A (en) * | 2015-10-26 | 2017-05-03 | 安徽港源家居工艺品有限公司 | Electric circular saw and electric circular saw guide plate suitable for electric circular saw |
| CN107639294A (en) * | 2016-07-21 | 2018-01-30 | 力山工业股份有限公司 | Has the safe folding method of fool proof collapsible sawing machine and sawing machine |
| CN107639294B (en) * | 2016-07-21 | 2019-04-12 | 力山工业股份有限公司 | Has the safe folding method of fool proof collapsible sawing machine and sawing machine |
| CN112533736A (en) * | 2018-06-06 | 2021-03-19 | 沃尔夫克拉夫特公司 | Guide rail with guide carriage for a hand-held circular saw |
| CN112533736B (en) * | 2018-06-06 | 2023-10-20 | 沃尔夫克拉夫特公司 | Device with guiding slide |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103406883B (en) | 2015-06-03 |
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