CN102581381A - Saw blade protecting cover device of circular sawing machine - Google Patents
Saw blade protecting cover device of circular sawing machine Download PDFInfo
- Publication number
- CN102581381A CN102581381A CN2011100063187A CN201110006318A CN102581381A CN 102581381 A CN102581381 A CN 102581381A CN 2011100063187 A CN2011100063187 A CN 2011100063187A CN 201110006318 A CN201110006318 A CN 201110006318A CN 102581381 A CN102581381 A CN 102581381A
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- protecting cover
- saw blade
- saw
- cover
- sawing machine
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Abstract
The invention relates to a saw blade protecting cover device of a circular sawing machine, which mainly comprises an upper protecting cover and a lower protecting cover. The upper protecting cover and the lower protecting cover are connected in a detachable way; when a saw arm pivot toward a work table, the upper protecting cover pivots toward the direction away from the exposed part of a saw blade relative to the saw arm and separates from the lower protecting cover, so that the saw blade is exposed and also can pass through a notch of the lower protecting cover to saw a workpiece; when the saw arm pivots toward the direction away from the work table, the upper protecting cover pivots toward the exposed part relative to the saw arm to cover the saw blade and to be connected with the lower protecting cover, and then the positioning is performed by the upper and lower protecting cover; and the saw blade protecting cover device can effectively wrap the saw blade, so that, even under the action of undeservedly external force, the saw blade is prevented from extending out of the notch, so as to avoid cut accident happening.
Description
Technical field
The present invention is relevant with circular sawing machine, is meant a kind of saw blade holding protective cover device of circular sawing machine especially.
Background technology
See also a kind of circular sawing machine 10 shown in Figure 1; Consist predominantly of saw arm 12, that a workbench 11, connects workbench 11 pivotally and be located at the saw blade 14 that the power source 13, of saw arm 12 rotatably is hubbed at a saw blade tank (not shown) of saw arm 12 and connects power source 13; And one cover saw blade 14 holding protective cover device 15, wherein, holding protective cover device 15 has on one protecting cover 16 and protecting cover 17 once; Last protecting cover 16 is hubbed at saw arm 12; Pivoted by relative saw blade 14 of the drive of saw arm 12 and saw arm 12,17 of following protecting covers are the bottoms that is hubbed at saw arm 12, and have a breach (not shown) and supply saw blade 14 to pass.Thus, when saw arm 12 when workbench 11 pivots, saw arm 12 can drive to be gone up protecting cover 16 and pivots towards the direction away from saw blade 14 exposed parts with respect to saw arm 12, saw blade 14 will expose, the breach that also can pass down protecting cover 17 is with sawing workpieces.
Because following protecting cover 17 does not have location structure but is in the state that can pivot arbitrarily; Protecting cover 17 under if the operator touches when circular sawing machine 10 does not use accidentally; Possibly force down protecting cover 17 to pivot and cause saw blade 14 to pass from the breach of protecting cover 17 down towards saw blade 14 directions, the hand that so will be easy to produce the operator is by the accident of saw blade 14 incised wounds.
Summary of the invention
Main purpose of the present invention is to provide a kind of saw blade holding protective cover device of circular sawing machine, and it can avoid taking place hand accidentally by the accident of saw blade incised wound.
In order to reach above-mentioned purpose; Saw blade holding protective cover device of the present invention includes on one protecting cover and protecting cover once; Last protecting cover wherein connects a saw arm of this circular sawing machine pivotally between a primary importance and a second place, cover a saw blade of this circular sawing machine when protecting cover is positioned at this primary importance on this, then is not cover this saw blade when protecting cover is positioned at this second place on this; In addition, bottom of protecting cover has one first location division on this; This time protecting cover connects this saw arm pivotally with the one of which end and covers the root edge of this saw blade; And stretch on this in protecting cover with its other end; This time protecting cover has the breach that one second location division and supplies this saw blade to pass, and this first location division engages with second location division of this time protecting cover separably.
When not using this circular sawing machine; Between first location division that should go up protecting cover and second location division of this time protecting cover is to remain on the state that engages; If operator's hand touches this time protecting cover accidentally; This time protecting cover can't produce pivot, and this saw blade holding protective cover device can fully coat this saw blade, so just can avoid this saw blade to pass and operator's hand caused the accident of incised wound from the breach of this time protecting cover.
Description of drawings
In order to specify structure of the present invention, characteristic and effect place, below enumerate a preferred embodiment and cooperate the attached drawings explanation as after, wherein:
Fig. 1 is installed on the stereogram of circular sawing machine for existing saw blade holding protective cover device.
Fig. 2 is installed on the side view of circular sawing machine for the present invention's one preferred embodiment.
Fig. 3 is the partial enlarged drawing of Fig. 2, the main upward protecting cover and the bonding state between the protecting cover down of showing.
Fig. 4 is the partial bottom view of Fig. 2, and the pass under main the demonstration between protecting cover and the saw blade is.
Fig. 5 is analogous to Fig. 2, the main state that protecting cover is positioned at the second place of going up that shows.
Fig. 6 is analogous to Fig. 3, mainly shows another enforcement aspect of the present invention's one preferred embodiment.
The specific embodiment
See also Fig. 2; Circular sawing machine 20 for the saw blade holding protective cover device 25 of using the present invention's one preferred embodiment; The circular sawing machine 20 that is shown among the figure include one connect workbench 21 pivotally in order to the workbench 21, of putting workpiece saw arm 22, be located at the power source 23 of saw arm 22; And one rotatably be located in (not shown) in the saw blade tank of saw arm 22 and connect the saw blade 24 of power source 23, thus, and when saw blade 24 receives the driving of power source 23 and when rotating; Can cooperate again saw arm 22 relative workbench 21 pivot and towards workbench 21 near, be placed in the workpiece of workbench 21 in order to sawing.Saw blade holding protective cover device 25 of the present invention includes on one protecting cover 26 and protecting cover 27 once.
Last protecting cover 26 connects saw arm 22 pivotally; And can receive the drive of saw arm 22 and between a primary importance P1 and a second place P2, pivot, when last protecting cover 26 is positioned at primary importance P1, as shown in Figure 2; Last protecting cover 26 will cover the leading edge of saw blade 24, and the sawtooth 242 of saw blade 24 is not exposed; When last protecting cover 26 is positioned at second place P2, as shown in Figure 5, last protecting cover 26 will can not cover the leading edge of saw blade 24 and the sawtooth 242 of saw blade 24 is exposed.In addition, the two opposite sides of the bottom of last protecting cover 26 have a groove respectively, and this two groove forms one first location division 262, and is as shown in Figure 3.
Following protecting cover 27 connects saw arm 22 with the one of which end and the root edge of covering saw blade 24 pivotally, and stretches in the protecting cover 26 with its other end.The root edge of following protecting cover 27 has the breach 272 that a confession saw blade 24 passes, and as shown in Figure 4, the two opposite sides of following protecting cover 27 have a protuberance, and this two protuberance forms one second location division 274.When saw arm 22 when workbench 21 pivots downwards; Last protecting cover 26 receives the drive of saw arm 22 and is switched to second place P2 with respect to saw arm towards the direction away from saw blade 24 exposed parts; Force first location division 262 of protecting cover 26 disconnected from each other with second location division 274 of following protecting cover 27, outside saw blade 24 will be revealed in, as shown in Figure 5; 27 of following protecting covers can receive the ejection of workpiece and produce pivot, and the breach 272 that the saw blade 24 of this moment can partly pass down protecting cover 27 is with sawing workpieces.When upwards pivoting when the sawing operation of accomplishing workpiece and with saw arm 22; Following protecting cover 27 can be switched to position originally by the weight (also return spring can be set, as the device of return) of itself, and to be the drive that receives saw arm 22 equally be switched to primary importance P1 towards the direction of saw blade 24 exposed parts to 26 of last protecting covers; First location division 262 of protecting cover 26 and second location division 274 of following protecting cover 27 are bonded with each other; As shown in Figure 2, the following protecting cover 27 of this moment is just accomplished the location, even receive improper external force effect afterwards; Following protecting cover 27 can not produce pivot yet; So when not carrying out cutting operation, saw blade holding protective cover device 25 just can effectively coat saw blade, avoids operator's coping saw blade 24 to expose and the careless injury that causes.
On the other hand; Structure of the present invention can have different variations; As shown in Figure 6, first location division 262 of last protecting cover 26 is made up of this two protuberance, and 274 of second location divisions of following protecting cover 27 are made up of this two groove; Protecting cover 27 engages one another when circular sawing machine 10 does not use can to let protecting cover 26 reach down equally, to reach the object of the invention.
The present invention is in the composed component of preceding taking off among the embodiment to be disclosed, is merely to illustrate, and be not the scope that is used for limiting this case, the substituting or change of other equivalence element, the claim scope that also should be this case contains.
Claims (4)
1. the saw blade holding protective cover device of a circular sawing machine; This circular sawing machine includes the power source that saw arm, that a workbench, connects this workbench pivotally is located at this saw arm; And one rotatably be located at this saw arm and connect the saw blade of this power source, and this saw blade holding protective cover device includes:
Protecting cover on one, in one cover this saw blade primary importance and do not cover between the second place of this saw blade and connect this saw arm pivotally, its bottom has one first location division; And
Protecting cover once connects this saw arm pivotally with the one of which end and covers the root edge of this saw blade, and stretches on this in protecting cover with the other end, and this time protecting cover has one second location division, and this first location division engages with second location division of this time protecting cover separably.
2. the saw blade holding protective cover device of circular sawing machine as claimed in claim 1; The two opposite sides that wherein should go up protecting cover have a groove respectively; This two groove forms this first location division; The two opposite sides of this time protecting cover have a protuberance, and this two protuberance forms this second location division, and is sticked in respectively in this two groove.
3. the saw blade holding protective cover device of circular sawing machine as claimed in claim 1; The two opposite sides that wherein should go up protecting cover have a protuberance respectively, and this two protuberance forms this first location division, and the two opposite sides of this time protecting cover have a groove; This two groove forms this second location division, and supplies this two protuberances engaging respectively.
4. the saw blade holding protective cover device of circular sawing machine as claimed in claim 1, wherein this time protecting cover also has a breach, passes for this saw blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110006318.7A CN102581381B (en) | 2011-01-05 | 2011-01-05 | Saw blade protecting cover device of circular sawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110006318.7A CN102581381B (en) | 2011-01-05 | 2011-01-05 | Saw blade protecting cover device of circular sawing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102581381A true CN102581381A (en) | 2012-07-18 |
| CN102581381B CN102581381B (en) | 2015-03-04 |
Family
ID=46470920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110006318.7A Expired - Fee Related CN102581381B (en) | 2011-01-05 | 2011-01-05 | Saw blade protecting cover device of circular sawing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102581381B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1481569A (en) * | 1921-04-11 | 1924-01-22 | Tannewitz Works | Trimming saw |
| US4028975A (en) * | 1976-02-03 | 1977-06-14 | Ralph S. Rosen | Blade guard lift for power saw |
| US5184534A (en) * | 1990-11-16 | 1993-02-09 | Samsung Electronics Co., Ltd. | Operation safety device for a portable power tool |
| CN1943941A (en) * | 2005-10-07 | 2007-04-11 | 百得有限公司 | Saw |
| CN101767225A (en) * | 2010-03-16 | 2010-07-07 | 江苏金飞达电动工具有限公司 | Guard hood for combined saw |
| CN101875137A (en) * | 2009-04-28 | 2010-11-03 | 罗伯特·博世工具公司 | The security system of combination table-miter saw |
-
2011
- 2011-01-05 CN CN201110006318.7A patent/CN102581381B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1481569A (en) * | 1921-04-11 | 1924-01-22 | Tannewitz Works | Trimming saw |
| US4028975A (en) * | 1976-02-03 | 1977-06-14 | Ralph S. Rosen | Blade guard lift for power saw |
| US5184534A (en) * | 1990-11-16 | 1993-02-09 | Samsung Electronics Co., Ltd. | Operation safety device for a portable power tool |
| CN1943941A (en) * | 2005-10-07 | 2007-04-11 | 百得有限公司 | Saw |
| CN101875137A (en) * | 2009-04-28 | 2010-11-03 | 罗伯特·博世工具公司 | The security system of combination table-miter saw |
| CN101767225A (en) * | 2010-03-16 | 2010-07-07 | 江苏金飞达电动工具有限公司 | Guard hood for combined saw |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102581381B (en) | 2015-03-04 |
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| 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: 20150304 Termination date: 20200105 |