CN104827342A - Handheld mini saw protective cover protection device - Google Patents
Handheld mini saw protective cover protection device Download PDFInfo
- Publication number
- CN104827342A CN104827342A CN201510252815.3A CN201510252815A CN104827342A CN 104827342 A CN104827342 A CN 104827342A CN 201510252815 A CN201510252815 A CN 201510252815A CN 104827342 A CN104827342 A CN 104827342A
- Authority
- CN
- China
- Prior art keywords
- protective cover
- self
- base plate
- driving lever
- shield
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005520 cutting process Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/06—Safety devices for circular cutters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
- B23D45/16—Hand-held sawing devices with circular saw blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
Abstract
The invention discloses a handheld mini saw protective cover protection device. The device comprises a machine body (1), a handle (2), a bottom plate (4), a fixed protective cover body (6), a movable protective cover body (8) and a left and right shell (20), the left and right shell (20) is provided with a protective cover locking mechanism which comprises an unlocking button (3), a shifting lever (10) and self-locking limiting pins (15), the unlocking button (3) is arranged on the left and right shell (20), the shifting lever (10) is hinged to the left and right shell (20), the self-locking limiting pins (15) are arranged on the left and right shell (20), one end of each self-locking limiting pin (15) stretches into a protective cover and is matched with the movable protective cover body (8), an upper connecting rod of the shifting lever (10) is matched with one side of the unlocking button (3), a lower connecting rod of the shifting lever (10) can drive the self-locking limiting pins (15) to move axially, and a push rod (12) matched with the lower connecting rod of the shifting lever (10) is arranged on the other side of the unlocking button (3). Due to the structure, the handheld mini saw protective cover protection device has the advantages of being simple and reasonable in structure, convenient to machine and assemble, flexible and convenient to operate, safe and reliable in use, low in production cost and the like.
Description
Technical field
The invention relates to the mini saw of a kind of hand-held, particularly a kind ofly can guarantee the hand-held mini saw protective cover protective device that the mini saw of hand-held is used safely.
Background technology
The mini saw of hand-held comprises base plate, guard shield, body, saw blade, left and right body, handle, switch; base plate by flexible member and left and right body or secure shroud hinged; switch-linear hybrid is on handle; switch is provided with unlock button; base plate is provided with limited step; movable shield is arranged on base plate, and secure shroud and movable shield combine and be used for protecting saw blade safe cutting.Because the mini saw of hand-held is than traditional electric circular saw applied range, both can degree of depth cutting vertically downward, again can straight cuts, a tractor serves several purposes, has obtained the accreditation of consumers in general.
But in use there is following problem in the mini saw of existing hand-held: one is when off working state, due to security needs, body and base plate are locked, and will could carry out cutting operation by unlock button action by lower body, complex structure, malfunction is light.Two is that existing unlock button can only a direction action, generally arranges by right-hand operated, for just very difficult when left handed user or left-handed operation, brings inconvenience to user.Three is that movable shield is arranged on base plate and is combined into saw blade protective cover with secure shroud, complex structure, and required precision is high, and process and assemble difficulty is large, and use dumb, self-locking is unreliable.For this reason, many manufacturers and knowledgeable people develop for the defect of above-mentioned existence and develop, but not yet have comparatively ideal product to emerge so far.
Summary of the invention
For overcoming existing hand-held mini saw protective cover above shortcomings, the object of the invention is to provide a kind of simple and reasonable, process and assemble convenient, flexible operation is light, safe and reliable, production cost is low hand-held mini saw protective cover protective device.
The invention solves the problems of the technologies described above adopted technical scheme, it comprises body, handle, base plate, secure shroud, movable shield, left and right housing, described left and right housing is provided with protective cover locking mechanism, this mechanism comprises unlock button, driving lever, self-locking limit pin, unlock button can movably be arranged on the housing of left and right, driving lever is longitudinally hinged on the housing of left and right, self-locking limit pin can be arranged on the housing of left and right elastic reset, one end of self-locking limit pin puts in protective cover and coordinates with movable shield, the upper connecting rod of driving lever coordinates with the side of unlock button, the lower link of driving lever can drive self-locking limit pin to move axially, the opposite side of unlock button is provided with the push rod matched with the lower link of driving lever.
The further preferred version of the invention, described unlock button is provided with spring groove, is provided with the back-moving spring inconsistent with left and right housing in spring groove.
The further preferred version of the invention, described self-locking limit pin is provided with intermediate projections, and the inner side of intermediate projections is provided with self-locking back-moving spring, and the lower link of driving lever is connected to the outside of intermediate projections.
The further preferred version of the invention; described movable shield is arranged in secure shroud rotationally; movable shield has movable auxiliary guard shield by hinge; base plate is provided with base plate guard shield and base plate guide groove; base plate guard shield and secure shroud are socketed mutually; one end of bearing pin is arranged on the base plate guide groove of base plate, the saw blade protective cover of secure shroud, movable shield, movable auxiliary guard shield and base plate guard shield combined closing.
The further preferred version of the invention, described movable shield is provided with the limited step matched with secure shroud end face.
After adopting said structure, have the following advantages compared with the prior art and effect: one is because unlock button and driving lever link, driving lever links with self-locking limit pin again, when unlock button moves left and right, unlock button can drive driving lever to turn in the same direction around hinge by notch or push rod, driving lever drives self-locking limit pin inwardly to move axially, self-locking limit pin is made to depart from spacing to movable shield, thus reach the object of movable shield unblock, simple to operation, right-hand man can use, and also greatly facilitates left handed user.Two be saw blade stop cutting time, bearing pin distally proximally moves along base plate guide groove, and bearing pin drives movable shield and movable auxiliary guard shield to open while movement, automatically forms closed blade guard with base plate guard shield and secure shroud; During saw blade cutting; bearing pin proximally distally moves along base plate guide groove; bearing pin drives movable shield and movable auxiliary guard shield to bounce back in secure shroud while movement; open protective cover gradually; synchronously open with saw blade protective cover when guaranteeing that saw blade cuts; simple to operation, safe and reliable, can effectively prevent saw blade to infringement that is personal and property.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the invention.
Fig. 2 is the A-A generalized section of the invention Fig. 1.
Fig. 3 is the decomposition texture schematic diagram of the invention.
Wherein, 1 body, 2 handles, 3 unlock buttons, 4 base plates, 5 base plate guard shields, 6 secure shroud, 7 movable auxiliary guard shields, 8 movable shield, 9 back-moving springs, 10 driving levers, 11 hinges, 12 push rods, 13 saw blades, 14 self-locking back-moving springs, 15 self-locking limit pins, 16 output shafts, 17 bearing pins, 18 limited steps, 19 base plate guide grooves, about 20 housings.
Detailed description of the invention
Fig. 1, shown in Fig. 2 and Fig. 3, for the specific embodiments of the invention hand-held mini saw protective cover protective device, it comprises body 1, handle 2, base plate 4, secure shroud 6, movable shield 8, saw blade 13, left and right housing 20, saw blade 13 is arranged on the output shaft 16 of body 1, described left and right housing 20 is provided with protective cover locking mechanism, this mechanism comprises unlock button 3, driving lever 10, self-locking limit pin 15, unlock button 3 can movably be arranged on left and right housing 20, driving lever 10 is longitudinally hinged on left and right housing 20 by hinge 11, self-locking limit pin 15 can be arranged on left and right housing 20 elastic reset, one end of self-locking limit pin 15 puts in protective cover pins movable shield 8, movable shield 8 can not be opened, the upper connecting rod of driving lever 10 coordinates with on the left of the notch of unlock button 3, the lower link of driving lever 10 can drive self-locking limit pin 15 to move axially, the right side of unlock button 3 is provided with the push rod 12 matched with the lower link of driving lever 10.
Described unlock button 3 is provided with spring groove, is provided with the back-moving spring 9 inconsistent with left and right housing 20 in spring groove.Described self-locking limit pin 15 is provided with intermediate projections, and the inner side of intermediate projections is provided with self-locking back-moving spring 14, and the lower link of driving lever 10 is connected to the outside of intermediate projections.
Described movable shield 8 is arranged in secure shroud 6 rotationally; movable shield 8 is hinged with movable auxiliary guard shield 7 by bearing pin 17; base plate 4 is provided with base plate guard shield 5 and base plate guide groove 19; base plate guard shield 5 and secure shroud 6 are socketed mutually; one end of bearing pin 17 is arranged on the base plate guide groove 19 of base plate 4, the saw blade protective cover of secure shroud 6, movable shield 8, movable auxiliary guard shield 7 and base plate guard shield 5 combined closing.Described movable shield 8 is provided with the limited step 18 matched with secure shroud 6 end face.
The invention course of work is as follows, when unlock button 3 promotes left, the push rod 12 of unlock button 3 promotes the lower link of driving lever 10, driving lever 10 is rotated clockwise around hinge 1, the lower link of driving lever 10 promotes to be moved to the left after self-locking limit pin 15 overcomes the elastic force of self-locking back-moving spring 14, it is spacing that self-locking limit pin 15 departs from movable shield 8, and movable shield 8 can be rotated relative to secure shroud 6; When downwards pressing fixed handle 2, namely carry out perpendicular cuts operation, movable shield 8 and movable auxiliary guard shield 7 are opened gradually along with sawing.When cutting complete mention handle 2 and unclamp unlock button 3 time, under back-moving spring 9 and the effect of self-locking back-moving spring 14 elastic force, unlock button 3, self-locking limit pin 15 and driving lever 10 automatically reset, and self-locking limit pin 15 is automatic locking movable shield 8 again.
When unlock button 3 promotes to the right, lock button 3 drives driving lever 10 to rotate clockwise around hinge 11, the lower link of driving lever 10 promotes to be moved to the left after self-locking limit pin 15 overcomes the elastic force of self-locking back-moving spring 14, it is spacing that self-locking limit pin 15 departs from movable shield 8, and movable shield 8 can be rotated relative to secure shroud 6; When downwards pressing fixed handle 2, namely carry out perpendicular cuts operation, movable shield 8 and movable auxiliary guard shield 7 are opened gradually along with sawing.When cutting complete mention handle 2 and unclamp unlock button 3 time, under back-moving spring 9 and the effect of self-locking back-moving spring 14 elastic force, unlock button 3, self-locking limit pin 15 and driving lever 10 automatically reset, and self-locking limit pin 15 is automatic locking movable shield 8 again.
The above; just the specific embodiment of the invention, not makes any pro forma restriction, on the technical scheme basis not departing from the invention to the invention; done simple modification, equivalent variations or modification, all fall into the protection domain of the invention.
Claims (5)
1. a hand-held mini saw protective cover protective device, comprise body (1), handle (2), base plate (4), secure shroud (6), movable shield (8), left and right housing (20), it is characterized in that: described left and right housing (20) is provided with protective cover locking mechanism, this mechanism comprises unlock button (3), driving lever (10), self-locking limit pin (15), unlock button (3) can movably be arranged on left and right housing (20), driving lever (10) is longitudinally hinged on left and right housing (20), self-locking limit pin (15) can be arranged on left and right housing (20) elastic reset, one end of self-locking limit pin (15) puts in protective cover and coordinates with movable shield (8), the upper connecting rod of driving lever (10) coordinates with the side of unlock button (3), the lower link of driving lever (10) can drive self-locking limit pin (15) to move axially, the opposite side of unlock button (3) is provided with the push rod (12) matched with the lower link of driving lever (10).
2. hand-held according to claim 1 mini saw protective cover protective device; it is characterized in that: described unlock button (3) is provided with spring groove, in spring groove, be provided with the back-moving spring (9) inconsistent with left and right housing (20).
3. hand-held according to claim 1 and 2 mini saw protective cover protective device; it is characterized in that: described self-locking limit pin (15) is provided with intermediate projections; the inner side of intermediate projections is provided with self-locking back-moving spring (14), and the lower link of driving lever (10) is connected to the outside of intermediate projections.
4. hand-held according to claim 3 mini saw protective cover protective device, it is characterized in that: described movable shield (8) is arranged in secure shroud (6) rotationally, movable shield (8) is hinged with movable auxiliary guard shield (7) by bearing pin (17), base plate (4) is provided with base plate guard shield (5) and base plate guide groove (19), base plate guard shield (5) and secure shroud (6) are socketed mutually, one end of bearing pin (17) is arranged on the base plate guide groove (19) of base plate (4), secure shroud (6), movable shield (8), the saw blade protective cover of movable auxiliary guard shield (7) and base plate guard shield (5) combined closing.
5. hand-held according to claim 4 mini saw protective cover protective device, is characterized in that: described movable shield (8) is provided with the limited step (18) matched with secure shroud (6) end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510252815.3A CN104827342B (en) | 2015-05-19 | 2015-05-19 | Handheld mini saw protective cover protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510252815.3A CN104827342B (en) | 2015-05-19 | 2015-05-19 | Handheld mini saw protective cover protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104827342A true CN104827342A (en) | 2015-08-12 |
| CN104827342B CN104827342B (en) | 2017-03-22 |
Family
ID=53805728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510252815.3A Active CN104827342B (en) | 2015-05-19 | 2015-05-19 | Handheld mini saw protective cover protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104827342B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018084784A1 (en) | 2016-11-03 | 2018-05-11 | Husqvarna Ab | A dust removal arrangement for an engine-driven tool |
| CN110449973A (en) * | 2019-08-21 | 2019-11-15 | 常州赛迪工具有限公司 | A kind of protective device of mini saw movable shield manually |
| CN111215694A (en) * | 2019-10-28 | 2020-06-02 | 张家港市创基机械设备制造有限公司 | Safety device for electric saw |
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| 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 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP7000426B2 (en) | 2016-11-03 | 2022-01-19 | ハスクバーナ・アーベー | Dust removal device for prime mover driven tools |
| CN109982800A (en) * | 2016-11-03 | 2019-07-05 | 胡斯华纳有限公司 | Cleaner for engine-driven tool |
| JP2019532849A (en) * | 2016-11-03 | 2019-11-14 | ハスクバーナ・アーベー | Dust removal device for prime mover driven tools |
| EP3535083A4 (en) * | 2016-11-03 | 2020-06-24 | Husqvarna AB | A dust removal arrangement for an engine-driven tool |
| CN112676647A (en) * | 2016-11-03 | 2021-04-20 | 胡斯华纳有限公司 | Engine-driven tool |
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| US11059114B2 (en) | 2016-11-03 | 2021-07-13 | Husqvarna Ab | Dust removal arrangement for an engine-driven tool |
| WO2018084784A1 (en) | 2016-11-03 | 2018-05-11 | Husqvarna Ab | A dust removal arrangement for an engine-driven tool |
| US11400531B2 (en) | 2016-11-03 | 2022-08-02 | Husqvarna Ab | Dust removal arrangement for an engine-driven tool |
| AU2017353727B2 (en) * | 2016-11-03 | 2023-01-19 | Husqvarna Ab | A dust removal arrangement for an engine-driven tool |
| CN110449973A (en) * | 2019-08-21 | 2019-11-15 | 常州赛迪工具有限公司 | A kind of protective device of mini saw movable shield manually |
| CN110449973B (en) * | 2019-08-21 | 2024-02-27 | 常州赛迪工具有限公司 | Protective device of manual mini saw movable shield |
| CN111215694A (en) * | 2019-10-28 | 2020-06-02 | 张家港市创基机械设备制造有限公司 | Safety device for electric saw |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104827342B (en) | 2017-03-22 |
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Address after: 321300 Zhengyang Industrial Investment Co., Ltd., the Great Wall East Avenue, Yongkang, Zhejiang, China, Jinhua Province, No. 558 Patentee after: ZHENGYANG TECHNOLOGY CO.,LTD. Address before: 321300 Zhengyang Industrial Investment Co., Ltd., the Great Wall East Avenue, Yongkang, Zhejiang, China, Jinhua Province, No. 558 Patentee before: ZHENGYANG INDUSTRY & INVESTMENT Co.,Ltd. |
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Address after: No. 558, the Great Wall East Avenue, the Great Wall Economic Development Zone, Jinhua, Zhejiang Patentee after: ZHENGYANG TECHNOLOGY CO.,LTD. Address before: 321300 Zhengyang Industrial Investment Co., Ltd., the Great Wall East Avenue, Yongkang, Zhejiang, China, Jinhua Province, No. 558 Patentee before: ZHENGYANG TECHNOLOGY CO.,LTD. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Hand held Mini saw guard protection device Effective date of registration: 20210831 Granted publication date: 20170322 Pledgee: Yongkang Branch of China Construction Bank Co.,Ltd. Pledgor: ZHENGYANG TECHNOLOGY Co.,Ltd. Registration number: Y2021330001306 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220912 Granted publication date: 20170322 Pledgee: Yongkang Branch of China Construction Bank Co.,Ltd. Pledgor: ZHENGYANG TECHNOLOGY CO.,LTD. Registration number: Y2021330001306 |