CN101767225A - Guard hood for combined saw - Google Patents
Guard hood for combined saw Download PDFInfo
- Publication number
- CN101767225A CN101767225A CN 201010124665 CN201010124665A CN101767225A CN 101767225 A CN101767225 A CN 101767225A CN 201010124665 CN201010124665 CN 201010124665 CN 201010124665 A CN201010124665 A CN 201010124665A CN 101767225 A CN101767225 A CN 101767225A
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- protective cover
- connecting rod
- outer protective
- self
- locking
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Abstract
The invention discloses a guard hood for a combined saw, which comprises an inner guard hood, an outer guard hood and a connecting rod mechanism, wherein the outer guard hood can descend along with the machine head of the composite saw and can be retracted into the inner guard hood; and the connecting rod mechanism can drive the outer guard hood to rotate. The outer guard hood is limited by a limiting plate. The connecting rod mechanism is arranged in the machine head of the composite saw. The top end of the machine head of the combined saw is provided with a self-locking button for controlling the action of the limiting plate. The guard hood for a combined saw has the advantages of skillful concept, smart structure and convenient use; the outer guard hood can rotate along with the descending of the machine head of the combined saw to enable the blade to expose; the guard range can be automatically adjusted, and the safety property is high.
Description
Technical field
The present invention relates to a kind of accessory of electric tool, be specifically related to a kind of protective cover that can adjust protection domain, compound saw that ingenious, the easy to use, safe performance of structure is high automatically.
Background technology
At present, compound saw is widely used in fields such as machine-building as a kind of electric tool commonly used.Compound saw can switch to diagonal cutting saw and two kinds of duties of bench saw respectively, and is very easy to use.Usually, the protector of saw blade must be installed on compound saw, protector generally is the blade guard that is directly installed on the compound saw head, covers saw blade by blade guard and avoids saw blade directly to come out.Can do suitable adjustment with the cutting angle conversion of saw blade for the protection domain that makes protective cover, adopt linkage to adjust the open and close movement of protective cover usually.But the linkage of existing protective cover can not be adjusted the open and close movement of protective cover automatically along with operator's needs, and automaticity is not high, and it is very inconvenient to cause existing protective cover to use.
The patent No. is 200510083989.8 patent of invention, has mentioned a kind of safety guard corresponding to protective cover of the present invention, and this safety guard can rotate automatically along with the decline of saw body, and saw blade is exposed.But in the above-mentioned patent document and unexposed its adopt which kind of technical scheme to realize safety guard rotation automatically with the decline of saw body.
Summary of the invention
Goal of the invention:, the invention provides a kind of protective cover that can adjust protection domain, compound saw that ingenious, the easy to use, safe performance of structure is high automatically in order to overcome the deficiencies in the prior art.
Technical scheme: for achieving the above object, the protective cover of compound saw of the present invention comprises interior protective cover, can descend to rotating with compound saw head and also can take in the outer protective cover of interior protective cover and can drive the linkage that outer protective cover rotates; Described outer protective cover is spacing by limiting plate; Described linkage is installed in the inside of compound saw head; The top of described compound saw head is equipped with the locking press button that is connected with limiting plate.
Described locking press button drives the limiting plate action by self-locking push rod and self-locking iron plate, and described self-locking push rod one end is connected with locking press button, the bottom that the self-locking push rod other end is against self-locking iron plate, the apical support limiting plate of self-locking iron plate.Rotating part on the outer protective cover is provided with draw-in groove, and limiting plate cooperates with draw-in groove, and then carries out spacing to outer protective cover.On the described self-locking iron plate stage clip is installed, on the described limiting plate torsion spring is installed.When pressing when pressing locking press button, locking press button promotes the self-locking push rod, and the self-locking push rod promotes self-locking iron plate and up lifts, and self-locking iron plate forces limiting plate upwards to be lifted, the disconnection that is connected of limiting plate and outer protective cover, and outer protective cover can freely rotate.When unclamping locking press button, under the effect of torsion spring, limiting plate is returned to reset condition; Under the effect of stage clip, self-locking iron plate is returned to reset condition.
Described linkage comprises back link, installing connecting rods, front rod, intermediate connecting rod and the protective cover connecting rod that connects successively, described back link is provided with the capable groove of arc, back link one end is rotatably installed on the connecting rod iron plate of body by rivet, and the back link other end is connected with installing connecting rods; Described protective cover connecting rod front end is provided with bar-shaped trough and is connected with intermediate connecting rod by this bar-shaped trough, and the protective cover connecting rod end is connected with outer protective cover.The raising and press down in the process of compound saw head, the motion by linkage drives outer protective cover along with compound saw head rotatablely moves.
Described installing connecting rods two ends are respectively equipped with open slot, and described installing connecting rods is installed in compound saw head inside by the screw that is arranged in the open slot.In the connecting rod mechanism movement process, the open slot of the installing connecting rods interior screw of open slot relatively moves.
Position near the outer protective cover pivot on the described outer protective cover is provided with the outer protective cover connecting rod screw, and the outer protective cover connecting rod screw is connected with the protective cover connecting rod end; Be provided with the screw draw-in groove with the corresponding position of outer protective cover connecting rod screw on the protective cover in described.When compound saw head pressed down, interior protective cover was not failure to actuate by external force, the power and the outer protective cover lower end is squeezed when touching the work top of diagonal cutting saw; Compound saw head continues to press down, and the relative saw blade of outer protective cover moves upward, and in the screw draw-in groove of protective cover, the relative saw blade of protective cover moved upward in promoting in the outer protective cover connecting rod screw snapped in.
Described outer protective cover upper end-face edge is provided with bearing pin, and described interior protective cover lower edge is provided with and suitable the having contact with of bearing pin; The protective cover upper end-face edge outwards protrudes in described, forms baffle plate; Protective cover spacer pin in following of compound saw is provided with on the knife plate finger plate.When compound saw head rose, outer protective cover fell under the impetus of linkage, when outer protective cover drops to bottom, interior protective cover have contact with the bearing pin that catches on outer protective cover, avoid outer protective cover to come off; And interior protective cover drops to the position that baffle plate blocked by interior protective cover spacer pin and just can not continue to fall.
Beneficial effect: the protective cover of compound saw of the present invention is skillfully constructed, and the structure exquisiteness is easy to use; motion by linkage can make outer protective cover along with the decline of compound saw head is rotated; and then saw blade is exposed, can adjust protection domain automatically, the security performance height.
Description of drawings
Fig. 1 is the structural representation of the protective cover of compound saw of the present invention;
The structural representation of linkage when Fig. 2 lifts to the extreme higher position for compound saw head;
The structural representation of linkage when Fig. 3 drops to extreme lower position for compound saw head;
Fig. 4 is compound saw head schematic diagram during protective cover in the outer protective cover rotation is taken in when dropping to extreme lower position;
Fig. 5 is the schematic diagram that outer protective cover and interior protective cover split.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done further explanation.
Shown in Fig. 1-5, the protective cover of compound saw of the present invention comprises interior protective cover 1, can descend rotate with compound saw head 2 and also can take in the outer protective cover 3 of interior protective cover 1 and can drive the linkage that outer protective cover 3 rotates; Outer protective cover 3 is spacing by limiting plate 4; Linkage is installed in the inside of compound saw head 2; The top of compound saw head 2 is equipped with the locking press button 5 of control limiting plate 4 actions.
Locking press button 5 drives limiting plate 4 actions by self-locking push rod 6 and self-locking iron plate 7, and self-locking push rod 6 one ends are connected with locking press button 5, the bottom that self-locking push rod 6 other ends are against self-locking iron plate 7, the apical support limiting plate 4 of self-locking iron plate 7.Rotating part on the outer protective cover 3 is provided with draw-in groove 17, and limiting plate 4 cooperates with draw-in groove 17, and then carries out spacing to outer protective cover 3.On the self-locking iron plate 7 stage clip is installed, stage clip is through on the screw, and stage clip one crown self-locking iron plate 7, and the stage clip other end withstands on the body; On the limiting plate 4 torsion spring is installed.
Linkage comprises back link 11, installing connecting rods 12, front rod 15, intermediate connecting rod 16 and the protective cover connecting rod 13 that connects successively, back link 11 is provided with the capable groove of arc, back link 11 1 ends are rotatably installed in by rivet on the connecting rod iron plate 14 of body, and back link 11 other ends are connected with installing connecting rods 12; Protective cover connecting rod 13 front ends are provided with bar-shaped trough, and protective cover connecting rod 13 is connected with intermediate connecting rod 16 by this bar-shaped trough, and protective cover connecting rod end 13 is connected with outer protective cover 3.The raising and press down in the process of compound saw head 2, the motion by linkage drives outer protective cover 3 along with compound saw head 2 rotatablely moves.Installing connecting rods 12 two ends are respectively equipped with open slot, and installing connecting rods 12 is installed in compound saw head 2 inside by the screw that is arranged in the open slot.In the connecting rod mechanism movement process, the open slot of the installing connecting rods 12 interior screw of open slot relatively moves.
The position of the pivot of close outer protective cover 3 is provided with outer protective cover connecting rod screw 18 on the outer protective cover 3, outer protective cover connecting rod screw 18 and 13 terminal connections of protective cover connecting rod; Be provided with screw draw-in groove 19 with outer protective cover connecting rod screw 18 corresponding positions on the interior protective cover 1.Outer protective cover 3 upper end-face edges are provided with bearing pin 8, the lower edge of interior protective cover 1 be provided with bearing pin 8 suitable have contact with 9.Interior protective cover 1 upper end-face edge outwards protrudes, and forms baffle plate 10.Protective cover spacer pin 20 in following of compound saw is provided with on the knife plate finger plate.
The protective cover of compound saw of the present invention in use, the motion by linkage can make outer protective cover 3 along with the decline of compound saw head 2 is rotated, and then saw blade is exposed, and can adjust protection domain automatically.As shown in Figure 1, when compound saw head 2 during in the extreme higher position, outer protective cover 3 and interior protective cover 1 envelope saw blade jointly, and gag lever post 4 is connected with draw-in groove 17 on the outer protective cover 3, and outer protective cover 3 is non-rotatable.At this moment, in the linkage each position component as shown in Figure 2, back link 11 is vertical, the screw in back link 11 deep-slotted chip breakers is in the deep-slotted chip breaker apical position; Screw in installing connecting rods 12 open slots is in each open slot right end position respectively; Intermediate connecting rod 16 ends are in the right end position of the bar-shaped trough of protective cover connecting rod 13.
When pressing when pressing locking press button 5, locking press button 5 promotes self-locking push rods 6, and self-locking push rod 6 promotes self-locking iron plates 7 and up lifts, and self-locking iron plate 7 forces limiting plate 4 upwards to be lifted, the disconnection that is connected of limiting plate 4 and outer protective cover 3, and outer protective cover 3 can freely rotate.Along with pressing down of compound saw head 2, connecting rod mechanism movement drives upwards upset of outer protective cover 3.When unclamping locking press button 5, under the effect of torsion spring, limiting plate 4 is returned to reset condition; Under the effect of stage clip, self-locking iron plate 7 is returned to reset condition.
When compound saw head 2 pressed down, interior protective cover 1 was not failure to actuate by external force, the power and outer protective cover 3 lower ends are squeezed when touching the work top of diagonal cutting saw; Compound saw head 2 continues to press down, and outer protective cover 3 relative saw blades move upward, and in the screw draw-in groove 19 of protective cover 1, protective cover 1 relative saw blade moved upward in promoting in outer protective cover connecting rod screw 18 snapped in.When compound saw head 2 arrives minimum points, in the linkage each position component as shown in Figure 3, back link 11 this moment level almost, the screw in back link 11 deep-slotted chip breakers is in the deep-slotted chip breaker terminal position; Screw in installing connecting rods 12 open slots is in each open slot left position respectively; Intermediate connecting rod 16 ends are in the left position of protective cover connecting rod 13 bar-shaped troughs.Simultaneously, outer protective cover 3 is taken in interior protective cover 1 and is enveloped.
When compound saw head 2 rose, outer protective cover 3 fell under the impetus of linkage, when outer protective cover 3 drops to bottom, interior protective cover 1 have contact with 9 bearing pins 8 that catch on outer protective cover 3, avoid outer protective cover 3 to come off; And interior protective cover 1 drops to the position that baffle plate 10 blocked by interior protective cover spacer pin 20 and just can not continue to fall.At this moment, outer protective cover 3 and interior protective cover 1 envelope saw blade jointly.
The protective cover of compound saw of the present invention is skillfully constructed, and the structure exquisiteness is easy to use, the security performance height.
The above only is a preferred implementation of the present invention; be noted that for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. the protective cover of a compound saw is characterized in that: comprise interior protective cover (1), can descend to rotating also with compound saw head (2) and can take in the outer protective cover (3) of interior protective cover (1) and can drive the linkage that outer protective cover (3) rotates; Described outer protective cover (3) is spacing by limiting plate (4); Described linkage is installed in the inside of compound saw head (2); The top of described compound saw head (2) is equipped with the locking press button (5) of control limiting plate (4) action.
2. the protective cover of compound saw according to claim 1, it is characterized in that: described locking press button (5) drives limiting plate (4) action by self-locking push rod (6) and self-locking iron plate (7), described self-locking push rod (6) one ends are connected with locking press button (5), self-locking push rod (6) other end is against the bottom of self-locking iron plate (7), the apical support limiting plate (4) of self-locking iron plate (7).
3. the protective cover of compound saw according to claim 2, it is characterized in that: on the described self-locking iron plate (7) stage clip is installed, described limiting plate is equipped with torsion spring on (4).
4. the protective cover of compound saw according to claim 1, it is characterized in that: described linkage comprises back link (11), installing connecting rods (12), front rod (15), intermediate connecting rod (16) and the protective cover connecting rod (13) that connects successively, described back link (11) is provided with the capable groove of arc, back link (11) one ends are rotatably installed on the connecting rod iron plate (14) of body, and back link (11) other end is connected with installing connecting rods (12); Described protective cover connecting rod (13) front end is provided with bar-shaped trough and is connected with intermediate connecting rod (16) by this bar-shaped trough, and protective cover connecting rod (13) is terminal to be connected with outer protective cover (3).
5. the protective cover of compound saw according to claim 4, it is characterized in that: described installing connecting rods (12) two ends are respectively equipped with open slot, and described installing connecting rods (12) is installed in compound saw head (2) inside by the screw that is arranged in the open slot.
6. according to the protective cover of claim 1 or 4 described compound saws, it is characterized in that: the position that described outer protective cover (3) is gone up near outer protective cover (3) pivot is provided with outer protective cover connecting rod screw (18), and outer protective cover connecting rod screw (18) is connected with protective cover connecting rod (13) is terminal; Described interior protective cover (1) goes up and the corresponding position of outer protective cover connecting rod screw (18) is provided with screw draw-in groove (19).
7. the protective cover of compound saw according to claim 1, it is characterized in that: described outer protective cover (3) upper end-face edge is provided with bearing pin (8), described in protective cover (1) lower edge be provided with and suitable the having contact with of bearing pin (8) (9).
8. according to the protective cover of claim 1 or 7 described compound saws, it is characterized in that: protective cover (1) upper end-face edge outwards protrudes in described, forms baffle plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101246655A CN101767225B (en) | 2010-03-16 | 2010-03-16 | Guard hood for combined saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101246655A CN101767225B (en) | 2010-03-16 | 2010-03-16 | Guard hood for combined saw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101767225A true CN101767225A (en) | 2010-07-07 |
| CN101767225B CN101767225B (en) | 2011-12-28 |
Family
ID=42500409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101246655A Expired - Fee Related CN101767225B (en) | 2010-03-16 | 2010-03-16 | Guard hood for combined saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101767225B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581381A (en) * | 2011-01-05 | 2012-07-18 | 力山工业股份有限公司 | Saw blade protecting cover device of circular sawing machine |
| CN103507046A (en) * | 2012-06-25 | 2014-01-15 | 罗伯特·博世有限公司 | Guard device |
| CN105235029A (en) * | 2015-10-29 | 2016-01-13 | 浙江培瑞工具有限公司 | Protective cover for bench saw |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2330500A1 (en) * | 1975-11-07 | 1977-06-03 | Pedrazzoli Spa | ARTICULATED ENCLOSURE FOR PROTECTING THE ROTATING ORGANS OF A MACHINE TOOL |
| CN1264633A (en) * | 2000-01-27 | 2000-08-30 | 宁波经济技术开发区中强电动工具有限公司 | Automatic locking unit of guard hood for bench of combined saw |
| CN1404952A (en) * | 2002-09-28 | 2003-03-26 | 陈剑伦 | Sawing-piece mounting-dismounting device of cutting machine |
| CN1733403A (en) * | 2004-08-04 | 2006-02-15 | 株式会社牧田 | Sawing machine |
| CN201405225Y (en) * | 2009-06-04 | 2010-02-17 | 江苏金飞达电动工具有限公司 | Miter saw head cover |
| CN201632878U (en) * | 2010-03-16 | 2010-11-17 | 江苏金飞达电动工具有限公司 | Protective cover of composite saw |
-
2010
- 2010-03-16 CN CN2010101246655A patent/CN101767225B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2330500A1 (en) * | 1975-11-07 | 1977-06-03 | Pedrazzoli Spa | ARTICULATED ENCLOSURE FOR PROTECTING THE ROTATING ORGANS OF A MACHINE TOOL |
| CN1264633A (en) * | 2000-01-27 | 2000-08-30 | 宁波经济技术开发区中强电动工具有限公司 | Automatic locking unit of guard hood for bench of combined saw |
| CN1404952A (en) * | 2002-09-28 | 2003-03-26 | 陈剑伦 | Sawing-piece mounting-dismounting device of cutting machine |
| CN1733403A (en) * | 2004-08-04 | 2006-02-15 | 株式会社牧田 | Sawing machine |
| CN201405225Y (en) * | 2009-06-04 | 2010-02-17 | 江苏金飞达电动工具有限公司 | Miter saw head cover |
| CN201632878U (en) * | 2010-03-16 | 2010-11-17 | 江苏金飞达电动工具有限公司 | Protective cover of composite saw |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581381A (en) * | 2011-01-05 | 2012-07-18 | 力山工业股份有限公司 | Saw blade protecting cover device of circular sawing machine |
| CN102581381B (en) * | 2011-01-05 | 2015-03-04 | 力山工业股份有限公司 | Saw blade protecting cover device of circular sawing machine |
| CN103507046A (en) * | 2012-06-25 | 2014-01-15 | 罗伯特·博世有限公司 | Guard device |
| CN105235029A (en) * | 2015-10-29 | 2016-01-13 | 浙江培瑞工具有限公司 | Protective cover for bench saw |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101767225B (en) | 2011-12-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20210316 |