CN102962517B - Saw bow free from dismounting and displacing and saw blade connecting gripping heads thereof - Google Patents
Saw bow free from dismounting and displacing and saw blade connecting gripping heads thereof Download PDFInfo
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- CN102962517B CN102962517B CN201210490263.6A CN201210490263A CN102962517B CN 102962517 B CN102962517 B CN 102962517B CN 201210490263 A CN201210490263 A CN 201210490263A CN 102962517 B CN102962517 B CN 102962517B
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- magazine creel
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Abstract
The invention discloses a saw bow free from dismounting and displacing and saw blade connecting gripping heads thereof. The saw bow comprises a bow rack and the saw blade connecting gripping heads respectively installed at left and right end parts of the bow rack, wherein each saw blade connecting gripping head comprises a gripping head body; a mounting section connected with the corresponding end part of the bow rack is fixedly arranged at the outer end of a fixing barrel of the gripping head body; a core shaft which can rotate around the axis of the fixing barrel is axially inserted in the fixing barrel in an anti-dropping way; a displacing stopping fit section is arranged on the core shaft; the inner end of the core shaft extends out of the fixing barrel; a radial extending saw blade hooking pin is formed on the extending part of the core shaft; a gear switch mechanism which can axially reciprocate along the fixing barrel is arranged on the outer peripheral surface of the fixing barrel; and the gear switch mechanism and the displacing stopping fit section of the core shaft can select locking matching to ensure that the core shaft stops displacing or select unlocking matching to ensure that the core shaft rotates. When the saw blade connecting gripping heads of the saw bow are used for sawing parts, the position of a saw blade on the bow rack can be adjusted according to requirements of the machined parts, so that the position of the saw blade can be adjusted rapidly under different operating states.
Description
Technical field
The present invention relates to a kind of saw bow, particularly a kind of saw bow of exempting from dismounting transposition.
Background technology
Saw bow is used to the instrument of installation and tensioning saw blade, more common is fixed and adjustable two kinds, regardless of which kind of mode, substantially the version of shelf is all adopted, one end of shelf is provided with fixed chuck, the other end is provided with active chuck, two chucks are inserted into the end of shelf respectively by respective square tenon, a saw blade articulated pin is respectively equipped with in the opposite end of two chucks, saw blade hangs between two saw blade articulated pins by the connecting hole at its both ends, the square tenon of active chuck is fixed with screw rod, on screw rod, screw thread is installed with wing nut, rely on wing nut can realize the tensioning of saw blade.Saw blade, in sawing process, according to different situations, will overturn saw blade accordingly, to realize the transposition of saw blade sawtooth; Saw blade to be unclamped dismounting rear rotation side tenon before transposition, again saw blade hung up after forwarding relevant position to and tighten, like this for needing the operation often changing blade position to be very loaded down with trivial details, and frequently by saw blade dismounting and installation, have a strong impact on stock-removing efficiency, even the hand of operator is also easily damaged.
Summary of the invention
The object of this invention is to provide a kind ofly exempt to dismantle, can the saw bow of transposition fast, in order to solve existing saw bow to dismantle saw blade frequently and operation is installed, the complex operation caused, the problem of inefficiency in the transposition process realizing saw blade.
The present invention adopts following technical scheme: a kind of saw bow of exempting from dismounting transposition, comprise shelf and be arranged on the saw blade connecting clip for installing saw blade of the left and right end of shelf respectively, described saw blade connecting clip comprises Gripper body, Gripper body comprises the stationary magazine creel that axis extends in left-right direction, inner open outer end is closed, and the outer end of stationary magazine creel is installed with the construction section be connected with the corresponding end of shelf; In described stationary magazine creel, axial anticreep is fitted with the mandrel that can rotate around stationary magazine creel axis, and mandrel is provided with spline and coordinates section, and stationary magazine creel is stretched out in the inner of mandrel, and the extension of mandrel has the radial saw blade articulated pin extended; The outer peripheral face of described stationary magazine creel is provided with can along the driving switch mechanism of stationary magazine creel axial reciprocating movement, and driving switch mechanism and the spline section of cooperation of mandrel can be selected locking to coordinate to make mandrel spline or unlock cooperation to make mandrel rotatable.
On the outer peripheral face of described spline cooperation section, circumferentially interval is laid with spline teeth groove, the sidewall of described stationary magazine creel has the driving switch fitting recess be communicated with stationary magazine creel endoporus, the length direction of driving switch fitting recess extends along the axis of stationary magazine creel, and the two ends of driving switch fitting recess have catch supporting construction; Described driving switch mechanism comprises two and is positioned over the inside and outside catch in described catch supporting construction respectively and horizontally slips and be assemblied in driving switch fitting recess, recess arc spring lamination down, and arc spring lamination has and reverses gear, intervening gears and clockwise gear three operation range; Each catch all has and coordinates that section extends, respectively in corresponding two the spline teeth groove stretched into diametrically gear to refer to towards mandrel spline, described catch supporting construction is provided with corresponding catch away from keeping off the relative upset slot to make way in the end that refers to, and the two ends of described arc spring lamination to be fitted in respectively on corresponding catch and to be slidably matched with it; When arc spring lamination mediates gear, two catch horizontal, the gear of two catch refers to all stretch in mandrel spline teeth groove, mandrel spline; When arc spring lamination slide into reverse gear time or clockwise gear time, corresponding catch tilting by pressure upset in arc spring lamination corresponding end, the gear of corresponding catch refers to depart from spline teeth groove, and mandrel rotates to the side tilting catch under external force.
Described catch is equipped with support ear away from the both sides keeping off the end referred to, driving switch fitting recess groove bottom offers the brace groove of the support ear difference setting-in for corresponding catch, and described catch supporting construction is the groove bottom of described brace groove.
The convex surface of described arc spring lamination is fixed with the shifting block for stirring arc spring lamination movement, on described stationary magazine creel, detachable fixed cover is equipped with driving switch cover, the sidewall of described driving switch cover has the gear supplying shifting block to stretch out movement and moves perforate.
Described spline coordinates the both ends of the surface of section to be respectively inside and outside anticreep step surface, and outer anticreep step surface coordinates with medial surface block at the bottom of the cylinder of stationary magazine creel, and the sidewall of stationary magazine creel is also detachably fixedly fitted with the block pin coordinated with interior anticreep step surface block.
A kind of saw blade connecting clip, comprises Gripper body, and Gripper body comprises the stationary magazine creel that axis extends in left-right direction, inner open outer end is closed, and the outer end of stationary magazine creel is installed with the construction section be connected with the corresponding end of shelf; In described stationary magazine creel, axial anticreep is fitted with the mandrel that can rotate around stationary magazine creel axis, and mandrel is provided with spline and coordinates section, and stationary magazine creel is stretched out in the inner of mandrel, and the extension of mandrel has the radial saw blade articulated pin extended; The outer peripheral face of described stationary magazine creel is provided with can along the driving switch mechanism of stationary magazine creel axial reciprocating movement, and driving switch mechanism and the spline section of cooperation of mandrel can be selected locking to coordinate to make mandrel spline or unlock cooperation to make mandrel rotatable.
On the outer peripheral face of described spline cooperation section, circumferentially interval is laid with spline teeth groove, the sidewall of described stationary magazine creel has the driving switch fitting recess be communicated with stationary magazine creel endoporus, the length direction of driving switch fitting recess extends along the axis of stationary magazine creel, and the two ends of driving switch fitting recess have catch supporting construction; Described driving switch mechanism comprises two and is positioned over the inside and outside catch in described catch supporting construction respectively and horizontally slips and be assemblied in driving switch fitting recess, recess arc spring lamination down, and arc spring lamination has and reverses gear, intervening gears and clockwise gear three operation range; Each catch all has and coordinates that section extends, respectively in corresponding two the spline teeth groove stretched into diametrically gear to refer to towards mandrel spline, described catch supporting construction is provided with corresponding catch away from keeping off the relative upset slot to make way in the end that refers to, and the two ends of described arc spring lamination to be fitted in respectively on corresponding catch and to be slidably matched with it; When arc spring lamination mediates gear, two catch horizontal, the gear of two catch refers to all stretch in mandrel spline teeth groove, mandrel spline; When arc spring lamination slide into reverse gear time or clockwise gear time, corresponding catch tilting by pressure upset in arc spring lamination corresponding end, the gear of corresponding catch refers to depart from spline teeth groove, and mandrel rotates to the side tilting catch under external force.
Described catch is equipped with support ear away from the both sides keeping off the end referred to, driving switch fitting recess groove bottom offers the brace groove of the support ear difference setting-in for corresponding catch, and described catch supporting construction is the groove bottom of described brace groove.
The convex surface of described arc spring lamination is fixed with the shifting block for stirring arc spring lamination movement, on described stationary magazine creel, detachable fixed cover is equipped with driving switch cover, the sidewall of described driving switch cover has the gear supplying shifting block to stretch out movement and moves perforate.
Described spline coordinates the both ends of the surface of section to be respectively inside and outside anticreep step surface, and outer anticreep step surface coordinates with medial surface block at the bottom of the cylinder of stationary magazine creel, and the sidewall of stationary magazine creel is also detachably fixedly fitted with the block pin coordinated with interior anticreep step surface block.
Adopt saw bow and the saw blade connecting clip thereof of exempting to dismantle transposition of said structure, because the saw blade articulated pin in saw blade connecting clip is installed on mandrel, and mandrel can rotate around the axis of stationary magazine creel, therefore saw blade can be realized with mandrel synchronous axial system, simultaneously driving switch mechanism and the spline section of cooperation of mandrel can be selected locking to coordinate to make mandrel spline or unlock cooperation to make mandrel rotatably, can be realized locking and the unblock of mandrel by driving switch mechanism.The saw bow of this structure can realize saw blade transposition at any angle, can need to adjust the position of saw blade on shelf because of processing parts when sawing part, to carry out the needs of rapid adjustment blade position under meeting different operating state, the more important thing is, in transposition process, do not need saw blade to dismantle, avoid frequent dismounting, reduce the probability of saw blade to the injury of operator's hand simultaneously.
Further, driving switch mechanism has three operation range, be respectively and reverse gear, intervening gears and clockwise gear, the locking of mandrel is realized at middle gear potential energy, and the rotation of different directions can be realized accordingly at reverse gear and clockwise gear, therefore the low-angle adjustment of saw blade can be realized, more convenient to use.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the present invention;
Fig. 2 is the structural representation of saw blade connecting clip;
Fig. 3 is the structural representation of Gripper body;
Fig. 4 is the top view of Fig. 3;
Fig. 5 is the structural representation of mandrel;
Fig. 6 is that the A-A of Fig. 5 is to sectional view;
Fig. 7 is the structural representation of catch;
Fig. 8 is that the arc spring lamination of Fig. 2 mediates the sectional view of gear;
Fig. 9 is that the A-A of Fig. 8 is to sectional view;
Figure 10 is that the arc spring lamination of Fig. 2 is in the state diagram reversing gear;
Figure 11 is that the A-A of Figure 10 is to sectional view;
Figure 12 is the state diagram that the arc spring lamination of Fig. 2 is in clockwise gear;
Figure 13 is that the A-A of Figure 12 is to sectional view.
Detailed description of the invention
The present invention exempts from the embodiment of the saw bow dismantling transposition: as shown in figures 1-13, comprise shelf 1, the left and right end of shelf 1 is separately installed with saw blade connecting clip, two saw blade connecting clips are axially oppositely arranged, and the connecting hole at saw blade 2 two ends is articulated on the saw blade articulated pin 8 of two saw blade connecting clip the inners respectively.
Saw blade connecting clip is formed primarily of Gripper body 4, mandrel 7 and driving switch mechanism.The structure of Gripper body 4 as shown in Figure 3, Figure 4, be made up of the screw rod 41 be coaxially connected successively from outside to inside, square tenon 42 and stationary magazine creel 43, wherein square tenon 42 and screw rod 41 form the construction section of Gripper body 4, side's tenon 42 leads in left-right direction and is inserted on the corresponding end position of shelf 1, the outer end of screw rod 41 stretches out the corresponding end of shelf 1 and extension screw thread is installed with wing nut 3, by screwing wing nut 3, move outside the entirety that can realize Gripper body 4.The interior end opening of stationary magazine creel 43, outer end are closed, and the upper lateral circle surface of stationary magazine creel 43 offers the groove be communicated with stationary magazine creel 43 endoporus, and this groove is driving switch fitting recess, and the length direction of driving switch fitting recess extends along the axis of stationary magazine creel 43; The groove extended along its width is offered respectively at the two ends of driving switch fitting recess groove bottom, this groove runs through the intercommunicating pore between driving switch fitting recess and stationary magazine creel, form two brace groove be truncated 44 respectively at the both ends of driving switch fitting recess like this, the groove bottom of brace groove 44 is catch supporting construction.In the present embodiment, the groove bottom of each brace groove 44 also offers the upset slot to make way isometric with brace groove, the groove bottom formation inclined-plane of the groove bottom brace groove corresponding with it of upset slot to make way.
Described mandrel 7 concentric gap is inserted in stationary magazine creel 43, its structure is as Fig. 5, shown in Fig. 6, the outer peripheral face of mandrel 7 offers annular groove 72, mandrel 7 is divided into by annular groove and extends outwardly, the spline coordinated with driving switch mechanism coordinates section 71 and extends internally, the section of being rotatably assorted 73 coordinated with stationary magazine creel rotational support, spline coordinates the outer peripheral face of section 71 to have along the uniform spline teeth groove 711 of its circumference, the end of the section of being rotatably assorted 73 stretches out stationary magazine creel 43, described saw blade articulated pin 8 radial direction is fixedly inserted into the section of being rotatably assorted 73 and stretches out in the part of stationary magazine creel.Described spline coordinates the both ends of the surface of section 71 to be respectively inside and outside anticreep step surface, and outer anticreep step surface coordinates with medial surface block at the bottom of the cylinder of stationary magazine creel 43, and the sidewall of stationary magazine creel 43 is also detachably fixedly fitted with the block pin 11 coordinated with interior anticreep step surface block.
Described driving switch mechanism is formed primarily of catch 9 and arc spring lamination 10, catch 9 has two, its structure as shown with 7, comprises catch body, and one end of catch body has that catch body extends dorsad gear refers to 92, the end of the other end has the support ear 91 extended respectively to both sides; Two catch 9 are respectively the interior catch and outer catch that are laid in spline cooperation section 71 left and right side, the support ear 91 of each catch 9 is inlaid in the brace groove 44 of respective respective side respectively, the gear of each catch 9 refers in 92 two the spline teeth groove 711 stretched into respectively diametrically, each gear refers to that 92 have adjacent stopping surface and top pressure surface, a cell wall block of the spline teeth groove 711 that wherein stopping surface is corresponding with it coordinates, top pressure surface and another cell wall compression fit.The recess of arc spring lamination 10 down and the axes normal of axis and stationary magazine creel 43, the two ends of arc spring lamination 10 are fitted on two catch 9 respectively, the convex surface of arc spring lamination 10 is fixed with shifting block 6, arc spring lamination 10 left and right in switch pilot hole can be stirred by shifting block 6 to move back and forth, coordinate with catch 9 sliding friction simultaneously; Arc spring lamination 10 has three operation range, and one of them operation range is intervening gears, and during intervening gears, the two ends synchronous press mounting of arc spring lamination 10 is on catch body, and under the effect of corresponding stopping surface now referring to 92 at two gears, mandrel is locked, and can not rotate; Another operation range is for reversing gear, when reversing gear, the inner of arc spring lamination 10 is pressed on the support ear of interior catch, and interior catch is tilted along the inclined-plane formed between brace groove 44 and upset slot to make way, gear on interior catch refers to that 92 are upturned and depart from corresponding spline teeth groove 711, now stretch in corresponding spline teeth groove owing to only having the gear of outer catch to refer to, the gear adding upper outside catch refers to only have a stopping surface, under the effect of external force, mandrel can the gear of the upwards outer catch of pushing tow refer to and outwardly catch direction rotate; Another operation range is clockwise gear, during clockwise gear, the outer end of arc spring lamination is pressed on the support ear of outer catch, and outer catch is tilted along the inclined-plane formed between the brace groove of its correspondence and upset slot to make way, gear on outer catch refers to be upturned and departs from corresponding spline teeth groove, now stretch in corresponding spline teeth groove owing to only having the gear of interior catch to refer to, add that the gear of interior catch refers to only have a stopping surface, under the effect of external force, mandrel can upwards in pushing tow the gear of catch refer to and inwardly catch direction rotate.
In the present embodiment, for the ease of the assembling of catch 9 and arc spring lamination 10, on stationary magazine creel 43, coaxial sleeve is equipped with and described driving switch fitting recess is covered interior driving switch cover 5, driving switch cover 5 is removably fixed with by screw and stationary magazine creel 43, driving switch cover 5 offers the gear supplying shifting block to stretch out movement and moves perforate 51.
During the concrete operations of above-described embodiment: before mounting saw blade 2, ensure that saw blade articulated pin 8 in two saw blade connecting clips is towards unanimously, simultaneously driving switch mechanism all mediates gear, afterwards two of saw blade 2 connecting holes are articulated on the saw blade articulated pin 8 of two mandrels respectively, by regulating two wing nuts 3 by saw blade tensioning.In sawing process, to change the position of saw blade sawtooth, the driving switch mechanism of two connectors being allocated to respectively and reversing position, synchronous upset two mandrels counterclockwise, what can realize saw blade rotates counterclockwise upset, after upset puts in place, then Liang Ge driving switch mechanism is allocated to intervening gears; Same, when needing to rotate clockwise saw blade, Liang Ge driving switch mechanism is allocated to clockwise gear.
In other embodiments, driving switch mechanism also only can adopt the slide block along the movement of stationary magazine creel axial reciprocating, slide block set firmly and refer to the gear of spline teeth groove adaptation, is referred to by gear slide to depart from spline teeth groove and realize unlocking, slip into and realize locking.Certainly, coordinate in section in spline and also can offer the uniform spliced eye of circumference, driving switch mechanism adopts the screw rod of radial screw thread spinning on stationary magazine creel sidewall, to be coordinated also can realize unlocking and locking by screw rod with the grafting of spliced eye.
In above-described embodiment, side's tenon and screw rod form the construction section of Gripper body, the construction section of two saw blade connecting clips coordinates the tensioning that all can realize saw blade with wing nut, in other embodiments, one of them construction section can be connected directly corresponding with it shelf end, realizes saw blade strain to relying on coordinating of another construction section and wing nut.
In above-described embodiment, the effect of catch supporting construction is to support catch on the one hand, and in other embodiments, catch supporting construction also can for being separately fixed at the back-up block at driving switch assembling both ends, and therefore, catch also can not arrange support ear.
The embodiment of saw blade connecting clip of the present invention: as shown in figures 1-13, its structure is consistent with the structure of the saw blade connecting clip of above-described embodiment, and its content does not repeat them here.
Claims (10)
1. exempt from the saw bow dismantling transposition for one kind, comprise shelf and be arranged on the saw blade connecting clip for installing saw blade of the left and right end of shelf respectively, saw blade connecting clip comprises Gripper body, it is characterized in that: described Gripper body comprises the stationary magazine creel that axis extends in left-right direction, inner open outer end is closed, and the outer end of stationary magazine creel is installed with the construction section be connected with the corresponding end of shelf; In described stationary magazine creel, axial anticreep is fitted with the mandrel that can rotate around stationary magazine creel axis, and mandrel is provided with spline and coordinates section, and stationary magazine creel is stretched out in the inner of mandrel, and the extension of mandrel has the radial saw blade articulated pin extended; The outer peripheral face of described stationary magazine creel is provided with can along the driving switch mechanism of stationary magazine creel axial reciprocating movement, and driving switch mechanism and the spline section of cooperation of mandrel can be selected locking to coordinate to make mandrel spline or unlock cooperation to make mandrel rotatable.
2. saw bow of exempting from dismounting transposition according to claim 1, it is characterized in that: on the outer peripheral face of described spline cooperation section, circumferentially interval is laid with spline teeth groove, the sidewall of described stationary magazine creel has the driving switch fitting recess be communicated with stationary magazine creel endoporus, the length direction of driving switch fitting recess extends along the axis of stationary magazine creel, and the two ends of driving switch fitting recess have catch supporting construction; Described driving switch mechanism comprises two and is positioned over the inside and outside catch in described catch supporting construction respectively and horizontally slips and be assemblied in driving switch fitting recess, recess arc spring lamination down, and arc spring lamination has and reverses gear, intervening gears and clockwise gear three operation range; Each catch all has and coordinates that section extends, respectively in corresponding two the spline teeth groove stretched into diametrically gear to refer to towards mandrel spline, described catch supporting construction is provided with corresponding catch away from keeping off the relative upset slot to make way in the end that refers to, and the two ends of described arc spring lamination to be fitted in respectively on corresponding catch and to be slidably matched with it; When arc spring lamination mediates gear, two catch horizontal, the gear of two catch refers to all stretch in mandrel spline teeth groove, mandrel spline; When arc spring lamination slide into reverse gear time or clockwise gear time, corresponding catch tilting by pressure upset in arc spring lamination corresponding end, the gear of corresponding catch refers to depart from spline teeth groove, and mandrel rotates to the side tilting catch under external force.
3. saw bow of exempting from dismounting transposition according to claim 2, it is characterized in that: described catch is equipped with support ear away from the both sides keeping off the end referred to, driving switch fitting recess groove bottom offers the brace groove of the support ear difference setting-in for corresponding catch, and described catch supporting construction is the groove bottom of described brace groove.
4. exempting from according to Claims 2 or 3 dismantles the saw bow of transposition, it is characterized in that: the convex surface of described arc spring lamination is fixed with the shifting block for stirring arc spring lamination movement, on described stationary magazine creel, detachable fixed cover is equipped with driving switch cover, the sidewall of described driving switch cover has the gear supplying shifting block to stretch out movement and moves perforate.
5. exempting from according to claim 1 or 2 or 3 dismantles the saw bow of transposition, it is characterized in that: described spline coordinates the both ends of the surface of section to be respectively inside and outside anticreep step surface, outer anticreep step surface coordinates with medial surface block at the bottom of the cylinder of stationary magazine creel, and the sidewall of stationary magazine creel is also detachably fixedly fitted with the block pin coordinated with interior anticreep step surface block.
6. a saw blade connecting clip, saw blade connecting clip comprises Gripper body, it is characterized in that: described Gripper body comprises the stationary magazine creel that axis extends in left-right direction, inner open outer end is closed, and the outer end of stationary magazine creel is installed with the construction section be connected with the corresponding end of shelf; In described stationary magazine creel, axial anticreep is fitted with the mandrel that can rotate around stationary magazine creel axis, and mandrel is provided with spline and coordinates section, and stationary magazine creel is stretched out in the inner of mandrel, and the extension of mandrel has the radial saw blade articulated pin extended; The outer peripheral face of described stationary magazine creel is provided with can along the driving switch mechanism of stationary magazine creel axial reciprocating movement, and driving switch mechanism and the spline section of cooperation of mandrel can be selected locking to coordinate to make mandrel spline or unlock cooperation to make mandrel rotatable.
7. saw blade connecting clip according to claim 6, it is characterized in that: on the outer peripheral face of described spline cooperation section, circumferentially interval is laid with spline teeth groove, the sidewall of described stationary magazine creel has the driving switch fitting recess be communicated with stationary magazine creel endoporus, the length direction of driving switch fitting recess extends along the axis of stationary magazine creel, and the two ends of driving switch fitting recess have catch supporting construction; Described driving switch mechanism comprises two and is positioned over the inside and outside catch in described catch supporting construction respectively and horizontally slips and be assemblied in driving switch fitting recess, recess arc spring lamination down, and arc spring lamination has and reverses gear, intervening gears and clockwise gear three operation range; Each catch all has and coordinates that section extends, respectively in corresponding two the spline teeth groove stretched into diametrically gear to refer to towards mandrel spline, described catch supporting construction is provided with corresponding catch away from keeping off the relative upset slot to make way in the end that refers to, and the two ends of described arc spring lamination to be fitted in respectively on corresponding catch and to be slidably matched with it; When arc spring lamination mediates gear, two catch horizontal, the gear of two catch refers to all stretch in mandrel spline teeth groove, mandrel spline; When arc spring lamination slide into reverse gear time or clockwise gear time, corresponding catch tilting by pressure upset in arc spring lamination corresponding end, the gear of corresponding catch refers to depart from spline teeth groove, and mandrel rotates to the side tilting catch under external force.
8. saw blade connecting clip according to claim 7, it is characterized in that: described catch is equipped with support ear away from the both sides keeping off the end referred to, driving switch fitting recess groove bottom offers the brace groove of the support ear difference setting-in for corresponding catch, and described catch supporting construction is the groove bottom of described brace groove.
9. the saw blade connecting clip according to claim 7 or 8, it is characterized in that: the convex surface of described arc spring lamination is fixed with the shifting block for stirring arc spring lamination movement, on described stationary magazine creel, detachable fixed cover is equipped with driving switch cover, the sidewall of described driving switch cover has the gear supplying shifting block to stretch out movement and moves perforate.
10. the saw blade connecting clip according to claim 6 or 7 or 8, it is characterized in that: described spline coordinates the both ends of the surface of section to be respectively inside and outside anticreep step surface, outer anticreep step surface coordinates with medial surface block at the bottom of the cylinder of stationary magazine creel, and the sidewall of stationary magazine creel is also detachably fixedly fitted with the block pin coordinated with interior anticreep step surface block.
Priority Applications (1)
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CN201210490263.6A CN102962517B (en) | 2012-11-27 | 2012-11-27 | Saw bow free from dismounting and displacing and saw blade connecting gripping heads thereof |
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CN201210490263.6A CN102962517B (en) | 2012-11-27 | 2012-11-27 | Saw bow free from dismounting and displacing and saw blade connecting gripping heads thereof |
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CN102962517A CN102962517A (en) | 2013-03-13 |
CN102962517B true CN102962517B (en) | 2015-01-28 |
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CN201210490263.6A Active CN102962517B (en) | 2012-11-27 | 2012-11-27 | Saw bow free from dismounting and displacing and saw blade connecting gripping heads thereof |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105643009A (en) * | 2014-11-14 | 2016-06-08 | 丹阳市华丰精密配件厂 | Retractable saw |
CN106001760A (en) * | 2016-07-28 | 2016-10-12 | 天津诚浩达建筑安装有限公司 | Saw bow capable of preventing saw blade from being snapped from tension |
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CN201172130Y (en) * | 2006-12-04 | 2008-12-31 | 阿廷·J·扎卡里安 | Hacksaw frame of file as hacksaw frame integration part |
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CN201415290Y (en) * | 2009-06-10 | 2010-03-03 | 河南宏达数控机械有限公司 | Conveniently mounted bow saw |
CN202447752U (en) * | 2012-01-29 | 2012-09-26 | 徐嘉诚 | Direction-adjustable saw |
CN102756174A (en) * | 2011-04-25 | 2012-10-31 | 博世电动工具(中国)有限公司 | Saw blade replacement system |
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JPS5834716A (en) * | 1981-08-20 | 1983-03-01 | Hiroaki Mizota | One-touch type metal saw holder |
US6742268B2 (en) * | 2002-10-21 | 2004-06-01 | Chun-Chiung Chen | Structure of a hand-saw |
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- 2012-11-27 CN CN201210490263.6A patent/CN102962517B/en active Active
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US5722173A (en) * | 1996-12-16 | 1998-03-03 | Huang; Yin Han | Saw blade adjusting mechanism |
CN201172130Y (en) * | 2006-12-04 | 2008-12-31 | 阿廷·J·扎卡里安 | Hacksaw frame of file as hacksaw frame integration part |
CN201415290Y (en) * | 2009-06-10 | 2010-03-03 | 河南宏达数控机械有限公司 | Conveniently mounted bow saw |
CN201405125Y (en) * | 2009-09-18 | 2010-02-17 | 王南乔 | Fixed-type saw bow rack with crank, slide block, and connecting rod |
CN102756174A (en) * | 2011-04-25 | 2012-10-31 | 博世电动工具(中国)有限公司 | Saw blade replacement system |
CN202447752U (en) * | 2012-01-29 | 2012-09-26 | 徐嘉诚 | Direction-adjustable saw |
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CN102962517A (en) | 2013-03-13 |
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