CN100337777C - Hand saw capable of modifying cutting angle - Google Patents
Hand saw capable of modifying cutting angle Download PDFInfo
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- CN100337777C CN100337777C CNB200510050897XA CN200510050897A CN100337777C CN 100337777 C CN100337777 C CN 100337777C CN B200510050897X A CNB200510050897X A CN B200510050897XA CN 200510050897 A CN200510050897 A CN 200510050897A CN 100337777 C CN100337777 C CN 100337777C
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- angle demodulator
- cavity
- grip
- hole
- saw blade
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Abstract
The present invention discloses a hand saw capable of modifying cutting angles, which comprises a front grip, a back grip and a frame girder, wherein the back ends of elastic members positioned in an inner cavity of the frame girder are bunted and connected to one end of a spare saw blade arranged in the inner cavity of the frame girder; a rocking cover of the back grip is provided with an extending end cap for covering a saw blade inlet notch of the back grip; the front end of a lower through hole of the front grip is provided with regulating nuts. A front pull rod forward orderly penetrates through a front angle regulator, a front elastic member and the lower through hole of the front grip to form thread connection with the regulating nuts. The periphery of the front angle regulator is provided with convex and concave bodies with the distance of equal radian. Convex and concave bodies on the inner wall of the through hole at the lower end of the front grip accord to the convex and concave bodies on the periphery of the front angle regulator. A back angle regulator is arranged in a lower cavity of the back grip. After a back pull rod penetrates through a wall hole of the lower cavity of the back grip, the back pull rod backward orderly penetrates through a back elastic member and the back angle regulator, and is provided with circular holes connected with screw hole pins of the back angle regulator by male pins. The lower cavity of the back grip is also provided with thread columns for connecting a cover plate by threads. The back angle regulator is provided with front convex and concave parts which accord to the convex and concave bodies on the periphery of the front angle regulator.
Description
Technical field
The present invention relates to handsaw, particularly a kind of hand saw capable of modifying cutting angle that when the sawing material, uses.
Background technology
This hand tools of handsaw is generally used during the sawing material in repair of machine, assembling.Traditional handsaw exists not enough, one handsaw wherein an end one screw and nut are arranged, play and strain and unclamp the saw blade effect, when promptly not sharp or fracture need to be changed when saw blade, need unscrew nut, saw blade is got from handsaw, load onto new saw blade then, again with nut screwing clamping; Thereby when changing saw blade, a pine one is tight, and promptly trouble is time-consuming again, and uses the nut profile less, and frequent operation easily causes operator's fatigue; It two is when need are adjusted the sawing angle, must pull down nut, can adjust, and its angle only has 0 degree and 90 and spends both directions.The applying date is the saw frame that " a kind of saw frame " (notification number is CN2508920Y) of the Chinese utility model patent ZL01271894.7 in December 05 calendar year 2001 just belongs to this class formation, it is simple in structure, make things convenient for during use, save time, though the problems referred to above are made certain improvements, but still bother time-consuming; Especially the conversion of still failing to solve the sawing angle random of this handsaw has influenced the function of handsaw.
Summary of the invention
Technical problem to be solved by this invention is at above-mentioned deficiency, provides simple and compact for structure, and it is convenient to change saw blade, the hand saw capable of modifying cutting angle of conversion sawing angle that can be at any time.
The present invention solves the problems of the technologies described above the technical scheme that is adopted:
Hand saw capable of modifying cutting angle, the foregrip and the back handle that comprise injection mo(u)lding, the cavity of foregrip and handle top, back correspondence is equipped with by setting a roof beam in place that the metal body constitutes, the technical measures of taking comprise: the inner chamber front end of setting a roof beam in place is equipped with elastic component, last elastic component front end apical grafting is on the foregrip cavity wall, and standby saw blade one end of the inner chamber of setting a roof beam in place is inserted in last elastic component rear end then apical grafting; Back handle upper end is connected with rolling cover, and this rolling cover is shaped on and can covers the extension end cap that back handle saw blade is gone into notch, and this rolling cover is withheld the standby saw blade other end;
Foregrip has lower through-hole, and this lower through-hole front end is provided with adjusting nut, the lower through-hole that pre-installed round pin of front tension bar passed the preceding angle demodulator of adjusting saw blade sawing angle, preceding elastic component and foregrip to the front sequence adjusting nut that is threaded; The bump body of radian spacings such as preceding angle demodulator periphery is shaped on, foregrip lower end through-hole wall bump body then matches with preceding angle demodulator periphery bump body;
Back handle has cavity of resorption, this cavity of resorption is built-in with the back angle demodulator, the bar loading later round pin of back stay penetrates back handle cavity of resorption cinclides, order is passed the back angle regulator shaft hole of back elastic component, an adjusting saw blade sawing angle backward, and the bar loading later round pin back segment of back stay is shaped on circular hole and is connected with pin with back angle demodulator screw, also be shaped on threaded post in this cavity of resorption, being threaded is fixed with cover plate, and it is consistent with preceding angle demodulator periphery convex-concave that back angle demodulator is shaped on the lordosis recess; Be the optimum tight assembling, cover plate is shaped on forward recess and rearward recess, and back angle demodulator lordosis recess is seated in the cover plate forward recess, and back angle demodulator opisthosoma then is seated in the cover plate rearward recess; And back handle cavity of resorption also cooperates the groove that is shaped on storing back angle demodulator opisthosoma.
Use for ease of reality, bump body is 6 to 8 preferably.
For keeping thrust evenly reliable, elastic component is the spring that two ends are fixed with push pedal respectively.
For weight reduction and be convenient to hold, make things convenient for the user to operate, foregrip and back handle are plastic injection-moulded forming, and foregrip handle portion and back handle handle portion are injected with plastics or the rubber layer of being convenient to hold; Set a roof beam in place and form for metallic aluminium or aluminium alloy compression casting.
Under complex environment, change saw blade for convenient when especially making things convenient for work high above the ground, it extremely only is that the inner chamber of setting a roof beam in place has the standby saw blade of storage.
Preferably bump body is 8, and the angle between adjacent bump body is 45 degree; Can reach 0 to 360 degree interval, 45 degree and tune the location for 8 grades.
Compared with prior art, the present invention one is equipped with elastic component by the inner chamber front end of setting a roof beam in place, and standby saw blade one end of the inner chamber of setting a roof beam in place is inserted in last elastic component rear end then apical grafting; Back handle upper end is connected with rolling cover, and this rolling cover is shaped on and can covers the extension end cap that back handle saw blade is gone into notch, and this rolling cover is withheld the standby saw blade other end; Rolling cover is opened saw blade and is then ejected automatically, conveniently takes; The 2nd, be provided with adjusting nut by foregrip lower through-hole front end, the lower through-hole that front tension bar passes preceding angle demodulator, preceding elastic component and foregrip to the front sequence adjusting nut that is threaded; The bump body of radian spacings such as preceding angle demodulator periphery is shaped on, foregrip lower end through-hole wall bump body then matches with preceding angle demodulator periphery bump body; And back handle has cavity of resorption, this cavity of resorption is built-in with the back angle demodulator, back stay penetrates back handle cavity of resorption cinclides, order is passed back elastic component, angle regulator shaft hole, back backward, and the bar loading later round pin back segment of back stay is shaped on circular hole and is connected with pin with back angle demodulator screw, also be shaped on threaded post in this cavity of resorption, being threaded is fixed with cover plate, and it is consistent with preceding angle demodulator periphery convex-concave that back angle demodulator is shaped on the lordosis recess.It is simple and compact for structure, and it is convenient to change saw blade, conversion sawing angle that can be at random.
Description of drawings
Fig. 1 is the cross-sectional structural representation of the present invention;
Fig. 2 is each parts assembling schematic diagram among Fig. 1;
Fig. 3 is a back angle demodulator enlarged diagram among Fig. 1;
Fig. 4 is Fig. 1 cover plate enlarged diagram;
Fig. 5 is a back handle schematic perspective view among Fig. 1.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Structure of the present invention sees that accompanying drawing 1 is to shown in Figure 5.Hand saw capable of modifying cutting angle, the foregrip 2 and the back handle 11 that comprise injection mo(u)lding, the cavity of foregrip 2 and back handle 11 top correspondences is equipped with by what the metal body constituted sets a roof beam in place 15, for weight reduction and be convenient to hold, make things convenient for the user to operate, foregrip 2 and back handle 11 are plastic injection-moulded forming, and foregrip 11 handle portion are injected with plastics or the rubber layer of being convenient to hold 18 with back handle 11 handle portion; Set a roof beam in place and 15 form for metallic aluminium or aluminium alloy compression casting.The 15 inner chamber front ends of setting a roof beam in place are equipped with elastic component 16, and last elastic component 16 front end apical graftings are on foregrip 2 cavity walls, and standby saw blade 14 1 ends of 15 inner chambers of setting a roof beam in place are inserted in last elastic component 16 rear ends then apical grafting; Back handle 11 upper ends are connected with rolling cover 12, and this rolling cover 12 is shaped on and can covers the extension end cap 12a that back handle saw blade is gone into notch, and this rolling cover 12 is withheld standby saw blade 14 other ends; For keeping thrust evenly reliable, elastic component 16 is fixed with the spring 162 of push pedal 161 respectively for two ends.For making things convenient for complex environment, change saw blade when especially making things convenient for work high above the ground, it is 1 to 10 that 15 inner chambers of setting a roof beam in place have the standby saw blade 14 of storage.
Foregrip 2 has lower through-hole, and this lower through-hole front end is provided with adjusting nut 1, the lower through-hole that pre-installed round pin 5a of front tension bar 5 passed preceding angle demodulator 4, preceding elastic component 3 and the foregrip 2 of adjusting saw blade sawing angle to the front sequence adjusting nut 1 that is threaded; The bump body of radian spacings such as preceding angle demodulator 4 peripheries are shaped on, foregrip 2 lower end through-hole wall bump bodies then match with preceding angle demodulator 4 periphery bump bodies;
Be the optimum tight assembling, the cover plate enlarged diagram as shown in Figure 4; Cover plate 8 is shaped on forward recess 8c and rearward recess 8b, and back angle demodulator 9 lordosis recess 9a are seated in the cover plate 8 forward recess 8c, and back angle demodulator 9 9b of opisthosoma then are seated in the cover plate 8 rearward recess 8b; And back handle cavity of resorption also cooperates the groove 11b that is shaped on storing back angle demodulator 9 opisthosomas.Back handle schematic perspective view as shown in Figure 5.
Get standby saw blade, only need rolling cover 12 is raised, the standby saw blade 14 that is positioned at 15 inner chambers of setting a roof beam in place ejects under the effect of elastic component 16 automatically, can take out work saw blade 6 to be installed after, only need rolling cover 12 closed standby saw blade 14 to be fastened to compress.
Use needs for satisfying different saw cutting angles, when tuning saw cutting angle, unscrew adjusting nut 1, move behind the front tension bar 5 and can take off work saw blade 6, continue to unscrew adjusting nut 1, after continuing, moves by front tension bar 5, preceding angle demodulator 4 moves after under the effect of preceding elastic component 3, has lower through-hole up to breaking away from foregrip 2, angle demodulator 4 before tuning according to required saw cutting angle, in like manner, back angle demodulator 9 is also done corresponding tuning; The preceding angle demodulator 4, the back angle demodulator 9 that mix up saw cutting angle are respectively charged into, screw adjusting nut 1 and get final product.Adjusting nut 1 needn't screw out and can tune saw cutting angle fast; And the angular range that tunes is 360 degree.
It is safe and efficient, simple and compact for structure that this handsaw has the loading and unloading saw blade, the advantage that sawing angle adjustment scope is big.
Though the present invention illustrates and describes by the reference preferred embodiment,, those skilled in the art should understand, and in the scope of claims, can do the various variation on form and the details.
Claims (1)
1, hand saw capable of modifying cutting angle, the foregrip (2) and the back handle (11) that comprise injection mo(u)lding, the cavity of foregrip (2) and handle (11) top, back correspondence is equipped with set a roof beam in place (15) that are made of the metal body, (15) the inner chamber front end of setting a roof beam in place is equipped with elastic component (16), last elastic component (16) front end apical grafting is on foregrip (2) cavity wall, and standby saw blade (14) one ends of described setting a roof beam in place (15) inner chamber are inserted in last elastic component (16) rear end then apical grafting; Handle (11) upper end, described back is connected with rolling cover (12), and this rolling cover (12) is shaped on and can covers the extension end cap (12a) that described back handle saw blade is gone into notch, and this rolling cover (12) is withheld described standby saw blade (14) other end;
Described foregrip (2) has lower through-hole, this lower through-hole front end is provided with adjusting nut (1), the lower through-hole that pre-installed the round pin (5a) of front tension bar (5) passed preceding angle demodulator (4), preceding elastic component (3) and the foregrip (2) of adjusting saw blade sawing angle to the front sequence described adjusting nut (1) that is threaded; The bump body of radian spacings such as described preceding angle demodulator (4) periphery is shaped on, described foregrip (2) lower end through-hole wall bump body then matches with described preceding angle demodulator (4) periphery bump body;
Described back handle (11) has cavity of resorption, this cavity of resorption is built-in with back angle demodulator (9), the bar loading later round pin (7a) of back stay (7) penetrates back handle cavity of resorption cinclides (11a), order is passed back elastic component (17) backward, play back angle demodulator (9) axis hole (9d) of adjusting saw blade sawing angle, and the bar loading later round pin back segment of back stay (7) is shaped on circular hole (7b) and is connected with pin (10) with back angle demodulator (9) screw (9c), also be shaped on threaded post (11c) in this cavity of resorption, being threaded is fixed with cover plate (8), and it is consistent with described preceding angle demodulator (4) periphery convex-concave that described back angle demodulator (9) is shaped on lordosis recess (9a); It is characterized in that: described cover plate (8) is shaped on forward recess (8c) and rearward recess (8b), described back angle demodulator (9) lordosis recess (9a) is seated in described cover plate (8) forward recess (8c), and described back angle demodulator (9) opisthosoma (9b) then is seated in described cover plate (8) rearward recess (8b); And back handle cavity of resorption also cooperates the groove (11b) that is shaped on the described back of storing angle demodulator (9) opisthosoma.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510050897XA CN100337777C (en) | 2005-07-28 | 2005-07-28 | Hand saw capable of modifying cutting angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510050897XA CN100337777C (en) | 2005-07-28 | 2005-07-28 | Hand saw capable of modifying cutting angle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1733407A CN1733407A (en) | 2006-02-15 |
| CN100337777C true CN100337777C (en) | 2007-09-19 |
Family
ID=36076141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200510050897XA Expired - Fee Related CN100337777C (en) | 2005-07-28 | 2005-07-28 | Hand saw capable of modifying cutting angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100337777C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934502A (en) * | 2014-05-09 | 2014-07-23 | 赵夫超 | Bench worker saw with saw blades clamped on two sides |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87207987U (en) * | 1987-05-11 | 1988-04-06 | 姚海 | Hacksaw with spare saw blade |
| CN2036079U (en) * | 1988-06-11 | 1989-04-19 | 吕绪芳 | Hand saw with engaged cam system |
| CN2153431Y (en) * | 1993-03-23 | 1994-01-19 | 谭定文 | Saw bow with multi-directional operating handle |
| CN2154759Y (en) * | 1993-02-23 | 1994-02-02 | 陈纯琼 | Bow-saw having saw blade angle regulating mechanism |
| CN2193215Y (en) * | 1994-02-06 | 1995-03-29 | 黄银汉 | Pressure control structure of hand saw handle |
| EP1000693A1 (en) * | 1998-11-04 | 2000-05-17 | Etablissements Seloron - Outillage Selor(S.a.r.l.) | Frame of hand-held hacksaw with saw blade tensioning device |
| CN2566969Y (en) * | 2002-08-07 | 2003-08-20 | 陈纯琼 | Improved structure of hand saw capable of regulating saw blade angle |
| CN1597210A (en) * | 2004-09-28 | 2005-03-23 | 邬贤波 | Hand saw capable of light guiding orientation cutting |
| CN2803590Y (en) * | 2005-07-28 | 2006-08-09 | 邬明君 | Arm saw with rotary regulation of sawing angle |
-
2005
- 2005-07-28 CN CNB200510050897XA patent/CN100337777C/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87207987U (en) * | 1987-05-11 | 1988-04-06 | 姚海 | Hacksaw with spare saw blade |
| CN2036079U (en) * | 1988-06-11 | 1989-04-19 | 吕绪芳 | Hand saw with engaged cam system |
| CN2154759Y (en) * | 1993-02-23 | 1994-02-02 | 陈纯琼 | Bow-saw having saw blade angle regulating mechanism |
| CN2153431Y (en) * | 1993-03-23 | 1994-01-19 | 谭定文 | Saw bow with multi-directional operating handle |
| CN2193215Y (en) * | 1994-02-06 | 1995-03-29 | 黄银汉 | Pressure control structure of hand saw handle |
| EP1000693A1 (en) * | 1998-11-04 | 2000-05-17 | Etablissements Seloron - Outillage Selor(S.a.r.l.) | Frame of hand-held hacksaw with saw blade tensioning device |
| CN2566969Y (en) * | 2002-08-07 | 2003-08-20 | 陈纯琼 | Improved structure of hand saw capable of regulating saw blade angle |
| CN1597210A (en) * | 2004-09-28 | 2005-03-23 | 邬贤波 | Hand saw capable of light guiding orientation cutting |
| CN2803590Y (en) * | 2005-07-28 | 2006-08-09 | 邬明君 | Arm saw with rotary regulation of sawing angle |
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| Publication number | Publication date |
|---|---|
| CN1733407A (en) | 2006-02-15 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C14 | Grant of patent or utility model | ||
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Effective date of registration: 20080402 Pledge (preservation): Preservation |
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Date of cancellation: 20090408 Pledge (preservation): Preservation registration |
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| ASS | Succession or assignment of patent right |
Owner name: WU XIANYAN Free format text: FORMER OWNER: WU MINGJUN Effective date: 20090522 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090522 Address after: Zhejiang province Zhoushan City camel area six horizontal town Ao village 100 bud Road 6 Patentee after: Wu Xianyan Address before: Zhejiang city of Ningbo province Yinzhou District Meixu Industrial Zone, two East Road Ningbo Yiming Machinery Electrical Appliance Co. Ltd. Patentee before: Wu Mingjun |
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| ASS | Succession or assignment of patent right |
Owner name: ZHOUSHAN CHUNLEI HACKSAW CO., LTD. Free format text: FORMER OWNER: WU XIANYAN Effective date: 20110224 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 316131 NO.6, BAILEI ROAD, LI AO VILLAGE, LIUHENG TOWN, PUTUO DISTRICT, ZHOUSHAN CITY, ZHEJIANG PROVINCE TO: 316131 ZHOUSHAN CHUNLEI HACKSAW CO., LTD., LI AO VILLAGE, LIUHENG TOWN, PUTUO DISTRICT, ZHOUSHAN CITY, ZHEJIANG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20110224 Address after: Six Heng Zhen Li Ao Cun Zhoushan Putuo District City, Zhejiang province 316131 Zhoushan spring saw Industry Co. Ltd. Patentee after: Zhoushan Chunlei Hacksaw Co., Ltd. Address before: 316131, Zhejiang province Zhoushan universal camel district six horizontal town Ao village 100 bud Road 6 Patentee before: Wu Xianyan |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070919 Termination date: 20140728 |
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| EXPY | Termination of patent right or utility model |