CN2717591Y - Sweep-saw with lifting blade and rotating saw bit function - Google Patents
Sweep-saw with lifting blade and rotating saw bit function Download PDFInfo
- Publication number
- CN2717591Y CN2717591Y CN 200420024532 CN200420024532U CN2717591Y CN 2717591 Y CN2717591 Y CN 2717591Y CN 200420024532 CN200420024532 CN 200420024532 CN 200420024532 U CN200420024532 U CN 200420024532U CN 2717591 Y CN2717591 Y CN 2717591Y
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- Prior art keywords
- saw
- saw blade
- sweep
- cutter lifting
- saw bit
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Abstract
The utility model discloses a sweep-saw with blade lifting and saw bit rotating function, which comprises a body case, a motor device, a reciprocating lever, a motor transmission system and a device used for controlling saw bit rotation and blade lifting. The motor transmission system is used to convert the rotary motion of the motor device into the up-and-down motion of the reciprocating lever, so the saw bit is driven to do a cutting motion from top to bottom. The device used for controlling saw bit rotation and blade lifting comprises a saw bit knob, a connecting lever assembly and a blade lifting shaft. The reciprocating lever can rotate following the rotation of the saw bit knob to drive the saw bit to rotate. The blade lifting shaft is a cam mechanism which controls the blade lifting quantity, and meanwhile, the connecting lever assembly which is driven by the rotary motion of the blade lifting shaft can control the saw bit knob relatively.
Description
Technical field
The utility model relates to a kind of reciprocating saw, such as sweep-saw, relates in particular to a kind of cutter lifting function that has, and also can realize the sweep-saw of saw blade spinfunction.
Background technology
Sweep-saw in the market has a variety of, and wherein the cutter lifting function is widely used, and its advantage is all very familiar for those skilled in the art.Simultaneously, have some companies to realize the spinfunction of saw blade on sweep-saw, like this, in cutting process, except vertically cutting forward, saw blade can also rotate a certain angle, along other direction cuttings.U.S. hundred company just release the sweep-saw that has the saw blade spinfunction, and employment application crosses United States Patent (USP), its patent No. is US04693009, authorization date is on September 15th, 1987.Cutter lifting function and saw blade spinfunction have very outstanding advantage for sweep-saw, yet, in the market seldom handlebar both be attached on the sweep-saw.(patent No.: EP0158325B1) disclosed the sweep-saw that has cutter lifting and saw blade spinfunction simultaneously, still, its inner body is more, and complex structure, fit on be difficulty comparatively for European patent.
Summary of the invention
The utility model has overcome deficiency of the prior art, and a kind of cutter lifting function that has is provided, and also can realize the sweep-saw of simple in structure, the dependable performance of saw blade spinfunction.
A purpose of the present utility model provides a kind of sweep-saw, and its saw blade can rotate in different directions.
Another purpose of the present utility model provides a kind of sweep-saw, and its saw blade can be in different directions locked.
The utility model also has a purpose to provide a kind of sweep-saw, when its saw blade cut surface can be realized the cutter lifting function forward the time.
In order to realize above-mentioned functions, the sweep-saw that the utility model disclosed comprises a casing, a switch, one base plate, one motor apparatus, a reciprocating lever, a saw blade, one motor transmission system is used for rotatablely moving of described motor apparatus is converted into moving up and down of reciprocating lever, does cutting movement up and down thereby drive saw blade; The sweep-saw that the utility model disclosed also comprises the device of a cover control saw blade rotation and cutter lifting, comprises a saw blade knob, a connection rod set, and a cutter lifting axle.Rotate described saw blade knob, then reciprocating lever rotation together thereupon, thus drive the saw blade rotation.Described cutter lifting axle is a cam mechanism, is used for controlling the cutter lifting amount, and simultaneously, the rotation of cutter lifting axle drives described connection rod set, makes it the saw blade knob is locked or unclamps.
The sweep-saw that utilizes the utility model to disclose can change the saw blade cut direction by the rotating saw blade knob at any time in operating process, saw blade is positioned on some suitable angle directions cuts; In addition, also can realize the cutter lifting function, regulate the cutter lifting amount according to different materials.When saw blade is under the rotatable state, perhaps locked in the other direction the time, can not realize the cutter lifting function, because saw blade is swung longitudinally and will be made it to be subjected to very big cross force in cutting process, might cause saw blade to fracture.
The utility model combines the cutter lifting function of sweep-saw and the rotatable function of saw blade very effectively, has overcome both in conjunction with the difficulty that may bring, and simple in structure, and dependable performance can be cut the different materials difformity rapidly and accurately.
Description of drawings
Fig. 1 is the sweep-saw partial sectional view that the utility model disclosed;
Fig. 2 is reciprocating lever drive unit and cutter lifting and saw blade rotary system explosive view in the sweep-saw that the utility model disclosed;
Fig. 3 is the lateral plan of saw blade knob;
Fig. 4 is the upward view of saw blade knob;
Fig. 5 be among Fig. 2 contiguous block along the transverse cross-sectional view of the amplification of J-J direction;
Fig. 6 is a cutter lifting axle stereogram;
Fig. 7 is the side view of cutter lifting axle among Fig. 6;
Fig. 8 A is the state diagram of the rotatable sweep-saw part-structure of saw blade knob;
Fig. 8 B is that saw blade is locked in the sweep-saw part-structure state diagram on some directions;
Fig. 8 C is in the sweep-saw part-structure state diagram under the cutter lifting state for working as the saw blade cut surface forward.
The specific embodiment
As shown in Figure 1, sweep-saw 100 in the utility model comprises a casing 1, a switch 2, one base plate 3, one motor apparatus, 4, one reciprocating levers, 5, one saw blades 6, one motor transmission system 7 is used for rotatablely moving of described motor apparatus 4 is converted into moving up and down of reciprocating lever 5, does cutting movement up and down thereby drive saw blade 6.
As shown in Figures 1 and 2, on the position of casing 1 front end saw blade top a knob 10 is arranged, its neck 13 is contained on the casing 1 in the corresponding circular hole 101, can rotate.One as shown in Figure 4 hole 41 is arranged at knob 10 bottoms, and contiguous block 40 is fixed on 41 tops, hole by screw 44.As shown in Figure 5, described contiguous block 40 is a hollow structure, on the diametric relative position of portion a pair of chute 401 is arranged within it.Reciprocating lever 5 tops are installed with a lateral pin 42.In assembling time,, reciprocating lever 5 tops that lateral pin 42 is housed penetrate in the contiguous block 40, and lateral pin 42 two ends just are positioned at chute 401, and cooperating between lateral pin 42 and the runner wall must guarantee that reciprocating lever 5 drives lateral pins 42 and can freely move up and down in contiguous block 40.So rotating saw blade knob 10 will drive and connect legendary ruler of remote antiquity piece 40, and because the effect of lateral pin 42, reciprocating lever 5 is also along with contiguous block 40 rotations, and then drive saw blade 6 is done axial rotation.
As shown in Figures 3 and 4, some slotted eyes 11 are arranged in saw blade knob 10 bottom outer rims, 12a-c, the top of first connecting rod 21 can be inserted wherein, thus the rotation of restriction saw blade knob 10.Hereinafter will elaborate.
As shown in Figure 2, sweep-saw 100 also comprises a control handle 50, realizes interlock with cutter lifting axle 30.Cutter lifting axle 30 and second connecting rod 22 use rivet 23,24 to flexibly connect respectively between second connecting rod 22 and the first connecting rod 21.Cutter lifting axle 30 flatly passes two circular ports 161 on the cutter lifting support 16, in the middle of the described cutter lifting support 16 a live bearing piece 15 is arranged, and, a spring 46 is arranged, as shown in Figure 1 between cutter lifting support 16 inwalls and live bearing piece 15.The sweep-saw 100 that the utility model disclosed also has a fixed support 60, reciprocating lever 5 passes the live bearing piece 15 in circular hole 61 on the described fixed support 60 and the cutter lifting support 16, simultaneously, first connecting rod 21 passes the circular hole 62 on the described support 60, thereby guarantees that reciprocating lever 5 and first connecting rod 21 travel longitudinally.
As indicated above, spring 46 is housed in the cutter lifting support 16, in the time of assembling, described spring is in confined state, so the tension force of its generation promotes live bearing piece 15, makes it closely to contact with the surface 33 of cutter lifting axle 30.As Fig. 6, shown in Figure 7, the cross section of contact-making surface 33 is a non-circular structure, can be divided into arc surface 31a and planar section 31b-d, each plane 31b, and 31c, 31d arrive the distance in axle center 32 less than arc surface 31a radius, and successively decrease successively.When arc surface 31a contacted with live bearing, saw blade 6 and reciprocal stalk 5 were in the perpendicular cuts position, do not have the cutter lifting function.And when planar section 31b-d contacts with live bearing 15, distance between live bearing 15 central axis and the cutter lifting axle axle center 32 reduces, so reciprocating lever 5 and saw blade 6 backward tilt at an angle together, realized the cutter lifting function, the cutter lifting amount changes with the distance between contact-making surface 33 and the axle center 32.
Rotate described control handle 50 and will drive 30 rotations of cutter lifting axle, contact-making surface different on the cutter lifting axle 30 33 is contacted with live bearing piece 15.The rotation of control handle 50 also drives second connecting rod 22 simultaneously, and then promotion first connecting rod 21 moves up and down.And moving up and down of first connecting rod 21 makes it to have realized agreeing with or breaking away from saw blade knob 10.The sweep-saw that the utility model disclosed has mainly been realized cutter lifting or saw blade spinfunction by above each mechanism.Fig. 8 A, 8B, 8C are three kinds of different functional status figure of sweep-saw that the utility model disclosed.When control handle 50 was in position shown in Fig. 8 A, first connecting rod 21 upper surfaces 25 were lower than the lower surface of saw blade knob 10, did 360 degree and rotated freely motion so saw blade knob 10 can drive saw blade 6; At this moment, arc surface 31a contacts with live bearing 15 on the cutter lifting axle 30, and the cutter lifting function is not provided.When control handle 50 clockwise directions change position shown in gear arrival Fig. 8 B, first connecting rod 21 is upwards boosted, and its top exceeds knob 10 lower surfaces, can insert corresponding slotted eye 11, among the 12a-c, so saw blade knob 10 is locked on the direction of some needs; At this moment, be still arc surface 31a on the cutter lifting axle 30 and contact, the cutter lifting function is not provided with live bearing 15.In addition, when control handle 50 continues to be rotated clockwise on other gears, planar section 31b on the cutter lifting axle 30,31c or 31d contact with live bearing 15, can realize the cutter lifting function.Yet as indicated above, when saw blade 6 was on other directions, saw blade was swung longitudinally and will be made it to be subjected to very big cross force in cutting process, might cause saw blade 6 to fracture.Therefore, the sweep-saw 100 that the utility model disclosed provides such function: have only when saw blade 6 cut surfaces and just can realize the cutter lifting function forward the time.In order to reach such purpose, the degree of depth of the slotted eye 12a-c on the saw blade knob 10 is identical, and more shallow, just is equivalent to sweep-saw and is in shown in Fig. 8 B the amount of stretching into of first connecting rod 21 under the state; And the degree of depth of slotted eye 11 is darker.The saw blade cut surface forward during the cooperating of described slotted eye 11 and connecting rod.Therefore, when knob was positioned on other directions, the restriction that first connecting rod 21 upper ends 25 are subjected to slotted eye 12a-c top so control handle 50 can not continue to be rotated down, can not realize the cutter lifting function.And be positioned at when making saw blade 6 cut surfaces forward when saw blade knob 10, first connecting rod 21 cooperates with long slot bore 11, so first connecting rod 21 is stretched certain height on can continuing, that is to say, control handle 50 can continue from the position shown in Fig. 8 B to be rotated down clockwise, make the planar section 31b of cutter lifting axle 30,31c or 31d contact with live bearing 15, realize the cutter lifting function.
Line laser marker in the utility model is not limited in above embodiment, also can make other form and reaches identical purpose.For the technical staff of the industry, can derive multi-form specific embodiment by the design principle of foregoing invention, still belong to the utility model protection domain.
Claims (5)
1. sweep-saw with cutter lifting and saw blade spinfunction, comprise a casing (1), a switch (2), one base plate (3), a motor apparatus (4), a reciprocating lever (5), one saw blade (6), and a motor transmission system (7), it is characterized in that: described sweep-saw (100) also comprises a lifter (30) and a saw blade rotating mechanism (10), thereby can realize cutter lifting and saw blade spinfunction.
2. the sweep-saw with cutter lifting and saw blade spinfunction according to claim 1 is characterized in that: be connected mechanism (20) by one between described lifter (30) and the saw blade rotating mechanism (10) and be associated.
3. the sweep-saw with cutter lifting and saw blade spinfunction according to claim 2 is characterized in that: described linking mechanism (20) is one group of linkage, comprises first connecting rod 21 and second connecting rod 22, between the two for flexibly connecting.
4. according to claim 2 or 3 described sweep-saws with cutter lifting and saw blade spinfunction, it is characterized in that: described saw blade rotating mechanism (10) is a knob, and at least one slotted eye is arranged at the bottom, can match with described linking mechanism (20).
5. the sweep-saw with cutter lifting and saw blade spinfunction according to claim 4 is characterized in that: and described slotted eye (11,12a-c) have the different degree of depth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420024532 CN2717591Y (en) | 2004-02-05 | 2004-02-05 | Sweep-saw with lifting blade and rotating saw bit function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420024532 CN2717591Y (en) | 2004-02-05 | 2004-02-05 | Sweep-saw with lifting blade and rotating saw bit function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2717591Y true CN2717591Y (en) | 2005-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420024532 Expired - Lifetime CN2717591Y (en) | 2004-02-05 | 2004-02-05 | Sweep-saw with lifting blade and rotating saw bit function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2717591Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101642832A (en) * | 2008-08-07 | 2010-02-10 | 罗伯特·博世有限公司 | Hand-held power tool |
| CN101284320B (en) * | 2007-04-13 | 2011-12-07 | 苏州宝时得电动工具有限公司 | Reciprocating cutting tool |
| CN102441707A (en) * | 2011-12-15 | 2012-05-09 | 宁波汉浦工具有限公司 | Portable dual-purpose saw |
| CN103111685A (en) * | 2013-01-05 | 2013-05-22 | 浙江通达电器有限公司 | Cutter lifting device for reciprocating saw |
| CN101658957B (en) * | 2008-08-27 | 2013-06-05 | 苏州宝时得电动工具有限公司 | Reciprocating cutter |
| CN104096910A (en) * | 2013-04-07 | 2014-10-15 | 博世电动工具（中国）有限公司 | Reciprocating mechanism used for reciprocating sawing machine and reciprocating sawing machine |
| CN102717152B (en) * | 2006-11-09 | 2015-08-05 | 罗伯特·博世有限公司 | Hand-held jigsaw |
| CN102275012B (en) * | 2005-10-28 | 2015-08-26 | 百得有限公司 | Electrically operated hand-held reciprocating-type saw and saw blade clamping apparatus thereof |
| WO2018014850A1 (en) * | 2016-07-19 | 2018-01-25 | 苏州宝时得电动工具有限公司 | Reciprocating cutting tool |
-
2004
- 2004-02-05 CN CN 200420024532 patent/CN2717591Y/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102275012B (en) * | 2005-10-28 | 2015-08-26 | 百得有限公司 | Electrically operated hand-held reciprocating-type saw and saw blade clamping apparatus thereof |
| CN102717152B (en) * | 2006-11-09 | 2015-08-05 | 罗伯特·博世有限公司 | Hand-held jigsaw |
| CN101284320B (en) * | 2007-04-13 | 2011-12-07 | 苏州宝时得电动工具有限公司 | Reciprocating cutting tool |
| CN101642832A (en) * | 2008-08-07 | 2010-02-10 | 罗伯特·博世有限公司 | Hand-held power tool |
| CN101658957B (en) * | 2008-08-27 | 2013-06-05 | 苏州宝时得电动工具有限公司 | Reciprocating cutter |
| CN102441707A (en) * | 2011-12-15 | 2012-05-09 | 宁波汉浦工具有限公司 | Portable dual-purpose saw |
| CN102441707B (en) * | 2011-12-15 | 2013-10-30 | 宁波汉浦工具有限公司 | Portable dual-purpose saw |
| CN103111685A (en) * | 2013-01-05 | 2013-05-22 | 浙江通达电器有限公司 | Cutter lifting device for reciprocating saw |
| CN103111685B (en) * | 2013-01-05 | 2016-05-04 | 浙江通达电器有限公司 | A kind of clapper for reciprocating saw |
| CN104096910A (en) * | 2013-04-07 | 2014-10-15 | 博世电动工具（中国）有限公司 | Reciprocating mechanism used for reciprocating sawing machine and reciprocating sawing machine |
| WO2018014850A1 (en) * | 2016-07-19 | 2018-01-25 | 苏州宝时得电动工具有限公司 | Reciprocating cutting tool |
| US11628508B2 (en) | 2016-07-19 | 2023-04-18 | Positec Power Tools (Suzhou) Co., Ltd. | Reciprocating cutting tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140205 Granted publication date: 20050817 |
|
| CX01 | Expiry of patent term |