CN205020947U - Cutting means and drag saw - Google Patents
Cutting means and drag saw Download PDFInfo
- Publication number
- CN205020947U CN205020947U CN201520734851.9U CN201520734851U CN205020947U CN 205020947 U CN205020947 U CN 205020947U CN 201520734851 U CN201520734851 U CN 201520734851U CN 205020947 U CN205020947 U CN 205020947U
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- China
- Prior art keywords
- housing
- drive
- axle
- slide bar
- casing
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Abstract
The utility model discloses a cutting means and drag saw, cutting means includes: drive shaft, motor, installation casing, drive wheel, slide bar and gear shell, the drive shaft uses the first axle to rotate as the axle, and the motor is used for driving the drive shaft, and the installation casing is used for fixed motor, and drive wheel driven shaft drives around the rotation of second axis, and the slide bar is moved along first rectilinear direction by the drive wheel drive, and gear shell includes first casing and second casing, the drive wheel uses the second axis to rotate as the axle and is connected to first casing, slide bar along first rectilinear direction sliding connection to second casing, first casing is including enabling the whole and the first rotation portion of the installation relative pivoted of casing that first casing and drive wheel constitute, and the second casing is including enabling the relative pivoted second rotation portion with first casing of whole that second casing and slide bar constitute. This cutting means convenience of customers operation.
Description
Technical field
The utility model relates to a kind of cutting tool, is specifically related to a kind of reciprocating saw.
Background technology
Cutting tool is in cutting process, and the otch of the position and saw blade that often there will be workpiece is not just right situation, at this moment usually needs user shift position or reverse arm to make the position to be cut of otch and workpiece just right.But, user shift position or torsion arm, not only troublesome poeration, and long-term work easily causes arm to ache, and even can thus grip shakiness and injure oneself.
Reciprocating saw is as a kind of reciprocating cutting tool, and it is more and more subject to the favor of people.Reciprocating saw can be cut timber and metal by the saw blade installing unlike material.From a structural point, reciprocating saw generally includes: prime mover, transmission mechanism, reciprocating lever and lifter etc.Wherein, prime mover outputting power is to transmission mechanism, and transmission mechanism drives reciprocating lever to move back and forth, and reciprocating lever connects saw blade and drives the cutting of saw blade reciprocating motion realization to workpiece.
But user is in use reciprocating saw process, and often can run into when user grips reciprocating saw with the posture of the best, workpiece is not positioned at immediately below the otch of saw blade, and at this moment user needs turns due or arm to cut this workpiece; Or, when workpiece is positioned at a narrow space, because reciprocating saw exists certain volume, because saw blade can not touch the face to be cut of workpiece.
Summary of the invention
A kind of cutting tool, comprising: driving shaft, motor, holder housing, drive, slide bar and gear housing; Driving shaft is that axle rotates with first axle, motor is for driving driving shaft, and holder housing is used for fixed electrical machinery, and drive driven shaft drives and rotates around the second axis, slide bar is transmitted wheel drive and moves along the first rectilinear direction, and gear housing comprises the first housing and the second housing; Drive is with the second axis for axle is rotationally connected to the first housing, and slide bar is slidably connected to the second housing along the first rectilinear direction; First housing comprises the entirety and holder housing the first rotation section in relative rotation that the first housing and drive can be made to form, and the second housing comprises the entirety and the first housing the second rotation section in relative rotation that the second housing and slide bar can be made to form.
Further, the entirety that forms of the first housing and drive and holder housing in relative rotation the first pivot center be parallel to the first straight line; The entirety that second housing and slide bar are formed and the first housing in relative rotation the second pivot center perpendicular to the first straight line.
Further, cutting tool also comprises bearing, bearings driving shaft; First rotation section spring bearing of the first housing.
Further, the second rotation section of the second housing is formed with arc surface, and the first housing is formed with another arc surface that can coordinate with the arc surface of the second housing, and the arc surface of the first housing is coaxial with the arc surface of the second housing.
Further, the cross section of the second rotation section in the plane that through the second axis and the second axis is radial is " recessed " character form structure; The arc surface of the second housing is formed at the depressed area place of this " recessed " character form structure.
A kind of reciprocating saw, comprising: main part, the first operation part and the second operation part; Main part comprises main casing, and the first operation part comprises the first housing, and the second operation part comprises the second housing; Wherein, main casing is fixedly connected with motor, and the first housing is with the second axis for axle is rotatably connected to drive, and the second housing slidably connects slide bar along the first rectilinear direction; First housing and main casing form with the first pivot center, and to be axle be rotationally connected; First pivot center is parallel to the first straight line or is parallel to the electrical axis of motor; Second housing and the first housing form with the second pivot center perpendicular to the first straight line, and to be axle be rotationally connected.
Further, motor formed or be fixedly connected with driving shaft, drive shaft drive with the second axis for axle rotates; Drive is formed with end-tooth, and driving shaft is formed with the tooth coordinated with the end-tooth of drive.
Further, drive is formed or is fixedly connected with cam pin, and slide bar is formed with waist-shaped hole near one end of drive, and cam pin embeds waist-shaped hole.
Further, slide bar is also formed with the gathering sill extended along the first rectilinear direction, and the second housing is connected with the guide finger that can embed gathering sill.
Further, the first operating portion connects main part and the second operation part respectively.
Due to the first housing energy electric machine rotation, relative first housing into rotation of the second housing energy relatively of this cutting tool, thus facilitate the operation of user.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of reciprocating saw;
Fig. 2 is the structural representation of reciprocating saw when the first operation part opposing body partial turn 90 degree in Fig. 1;
The structural representation that Fig. 3 is reciprocating saw in Fig. 2 when the second operation part rotates 90 degree relative to the first operation part;
Fig. 4 is the partial structurtes schematic diagram of Fig. 1;
Fig. 5 is the internal view of structure shown in Fig. 4;
Fig. 6 is the explosive view of structure shown in Fig. 4.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, concrete introduction is done to the utility model.
As shown in Figure 1, reciprocating saw 100 can drive saw blade 200 to move reciprocatingly along the first straight line L direction, it comprises: main part 10, first operation part 20 and the second operation part 30, wherein the first operation part 20 connects main part 10 and the second operation part 30, second operation part 30 connects saw blade 200.
Main part 10 comprises main casing 11, and main casing 11 is for holding and fixing the motor 12 shown in Fig. 4.Main part 10 can also comprise for for the handle 13 of user's handling, and form the housing parts of handle 13 and main casing 11 and separate to be formed and be then connected as a whole, the housing parts of certain handle 13 also can be formed by main casing 11.
First operation part 20 comprises the first housing 21, second operation part 30 and comprises the second housing 31.Wherein, the first housing 21 and main casing 11 form with the first rotational axis x, and to be axle be rotationally connected, and the second housing 31 and the first housing 21 form with the second pivot center Y, and to be axle be rotationally connected.
First housing 21 forms with main casing 11 the first rotational axis x be rotationally connected and is parallel to the reciprocating first straight line L of saw blade 200.Like this, when the first housing 21 rotates relative to main casing 11, the overall opposing body part 10 that the first operation part 20 and the second operation part 30 can be made to form is rotated, thus, the saw blade 200 be connected with the second operation part 30 with the first rotational axis x for axle turns to predeterminated position, and then can also facilitate this reciprocating saw 100 of user's handling while the workpiece of saw blade 200 pairs of different azimuth cuts.Might as well with the position of the relative main casing 11 of the first housing 21 in Fig. 1 for initial position, like this, when the first housing 21 rotates first predetermined angle with the first rotational axis x for axle relative to main casing 11, this first predetermined angle such as can be 90 degree, at this moment, under the drive of the first housing 21, the first operation part 20, second operation part 30 and saw blade 200 opposing body part 10 can turn to position as shown in Figure 2.At this moment, when user's handling main part 10, saw blade 200 can be made very easily to cut the workpiece being positioned at saw blade 200 left and right sides, and without the need to user shift position or distortion arm.Wherein, the first predetermined angle that the first housing 21 rotates relative to main casing 11 is not as limit, and this first predetermined angle can be any one angle between 0 degree to 360 degree.
Second housing 31 and the first housing 21 form the second pivot center Y of being rotationally connected perpendicular to the reciprocating first straight line L of saw blade 200.Like this, when the second housing 31 rotates relative to the first housing 21, the unitary rotation that the second operation part 30 opposing body part 10 and the first operation part 20 are formed can be made, thus can with the second pivot center Y for axle turns to another predeterminated position with the saw blade 200 of the second operation part 30, at this moment, when user keeps main part 10 holding mode inconvenience, user can be facilitated to cut the workpiece being positioned at different angles, but also can conveniently cut the workpiece being positioned at narrow location or inclined cut be carried out to workpiece.With the first housing 21 after rotating 90 degree relative to middle main casing 11, make again the second housing 31 relative to the first housing 21 with the second pivot center Y for axle rotates the second predetermined angle, this second predetermined angle such as can be 90 degree, at this moment, under the drive of the second housing 31, the second operation part 30 and saw blade 200 relative first operation part 20 can turn to position as shown in Figure 3.At this moment, when user's handling main part 10, can cut oneself the surface dorsad of the workpiece being positioned at both sides very easily.The second predetermined angle that second housing 31 rotates relative to the first housing 21 is not as limit, and this second predetermined angle can change arbitrarily between-90 degree are to 90 degree.Wherein, the second predetermined angle is positioned at 0 degree and refers to relative first housing 21 of the second housing 31 rotate counterclockwise to-90 degree, and the second predetermined angle is positioned at 0 degree to 90 degree and refers to relative first housing 21 of the second housing 31 and rotate clockwise.Certain second predetermined angle is also not restricted to and changes in positive and negative 90 degree, also can surpass and go beyond the scope.
Certainly, first housing 21 relatively rotates with main casing 11, second housing 31 and the first housing 21 in relative rotation structure also can be applicable to other cutting tool, this cutting tool can be realized equally and at least can comprise two rotatable parts, facilitate the cutting of this cutting tool to workpiece, be also convenient to user operation.
As shown in Figure 1, the second operation part 30 also comprises one for connecting the Fast clamping device 32 of saw blade 200, and this Fast clamping device 32 can make user's dismounting saw blade 200 fast.
As shown in Figures 4 to 6, main casing 11 is fixedly connected with motor 12, and the first housing 21 is rotatably connected to drive 22, and the second housing 31 slidably connects slide bar 33, wherein, the first housing 21 and the second housing 31 also constitute jointly for holding the isostructural gear housing of drive 22 (figure does not mark).
Concrete, motor 12 is fixedly installed to main casing 11 by fixed mount 14.Motor 12 comprises: electric machine casing 121 and motor shaft 122, and electric machine casing 121 is fixedly connected with fixed mount 14, and motor shaft 122 can be that electrical axis rotates with first axle.Wherein, fixed mount 14 and electric machine casing 121 are formed separately, and this fixed mount 14 is now the holder housing for motor 12 being fixed to main casing 11.
Or when not arranging fixed mount 14 in main part 10, but directly by the fixed mechanism fixed electrical machinery 12 on main casing 11, now main casing 11 also can think the holder housing for fixed electrical machinery 12.In addition, when motor 12 is when motor 12 being fixed to main casing 11 by the fixed mechanism on electric machine casing 121, electric machine casing 121 can think the holder housing for fixed electrical machinery 12.No matter that fixed mount 14 or main casing 11 or electric machine casing 121 all can carry out mounted motor 12 as holder housing, they have substantially identical technological means, achieve substantially identical function, and reach substantially identical effect, because of but can be equal to.
Main part 10 also comprises driving shaft 15 and bearing 16, and this bearing 16 is for supporting driving shaft 15.Driving shaft 15 is fixedly connected with motor shaft 122, and driving shaft 15 can be driven by motor shaft 122 and rotate around first axle, and this first axle and the first housing 21 are same axis relative to the first rotational axis x that main casing 11 rotates.It is that axle rotates that driving shaft 15 can be driven with first axle by the mode driven shaft 15 of interference fit with motor shaft 122.
Or the output of motor shaft 122 can also form the structure identical with driving shaft 15, and now motor shaft 122 can Direct driver drive 22, thus motor shaft 122 now can as driving shaft 15.In addition, when being also provided with transmission mechanism between motor shaft 122 and drive 22, the outputting power of this transmission mechanism can form the structure identical with driving shaft 15 to the axle of drive 22, and now outputting power to the axle of drive 22 of this transmission mechanism can use as driving shaft 15.Wherein, be formed with the axle of the motor shaft 122 of the structure identical with driving shaft 15 or the outputting power of transmission mechanism, they all have substantially identical technological means with the driving shaft 15 of the present embodiment, achieve substantially identical function, and reach substantially identical effect, because of but can be equal to.
First housing 21 is formed with entirety that the first rotation section 211, rotation section 211, first makes the first housing 21 and drive 22 form and fixed mount 14 and forms and be rotationally connected.Concrete, the first rotation section 211 is the cannelure extended from the first housing 21, and the spatial accommodation formed in cannelure is used for spring bearing 16, and this bearing 16 can be rolling bearing or needle bearing.Like this, under the effect of the first rotation section 211, the first housing 21 can rotate relative to fixed mount 14.
Drive 22 driven shaft 15 drives with the second axis as axle is rotationally connected to the first housing 21, drive 22 is also positioned at the spatial accommodation that the first housing 21 is formed, and the second pivot center Y that this second axis rotates relative to the first housing 21 with the second housing 31 is same axis.The rotation of driving shaft 15 can be passed to the reciprocating motion along the first straight line L direction of slide bar 33 by drive 22.The side of drive 22 is formed with end-tooth (not shown), and opposite side is formed with cam pin 221.End-tooth is for introducing the power of driving shaft 15, driving shaft 15 is formed with the tooth (not shown) coordinated with end-tooth, like this, by the tooth of driving shaft 15 and the end-tooth of drive 22, make driving shaft 15 with first axle be axle rotate time, drive 22 can with the second axis for axle rotates, and this second axis is vertical with the first axle of driving shaft 15.
The side of the formation end-tooth of drive 22 is also provided with a roller pin 222, and this roller pin 222 is provided with for drive 22 being rotated the bearing 23 being mounted to the first housing 21.First housing 21 supports this bearing 23, and like this, this bearing 23 can also drive drive 22 to rotate in the lump when the first housing 21 rotates relative to main casing 11.
Cam pin 221 is for coordinating with slide bar 33, second eccentric axis of its relative drive 22 is arranged, and slide bar 33 is formed with waist-shaped hole 331 near one end of drive 22, cam pin 221 is embedded in waist-shaped hole 331, and between cam pin 221 and waist-shaped hole 331, be also provided with a bearing 34.Simultaneously, second operation part 30 also comprises a guide finger 35, guide finger 35 is connected with the second housing 31, and the position of relative second housing 31 on the first straight line L direction is fixed, the shaft of slide bar 33 is formed with a gathering sill (not shown) extended along the first straight line L direction, and guide finger 35 embeds this gathering sill.Like this, when drive 22 rotates, cam pin 221 is with moving slide-bar 33 to rotate in the lump, at this moment because the restriction of guide finger 35, cam pin 221 can also be moved in waist-shaped hole 331, thus slide bar 33 moves reciprocatingly in the first straight line L direction, and then realize the reciprocating cutting effect of reciprocating saw 100.Meanwhile, this guide finger 35 can also avoid slide bar 33 to overturn, and the circumferential position of slide bar 33 is fixed.
Second housing 31 for holding slide bar 33 at least partly, the second housing 31 in order to the rotation that to form with the second pivot center Y be axle of the first housing 21, the second housing 31 is formed with the second rotation section 311.Second rotation section 311 is a part for a rotary structure or the rotary structure that the second housing 31 is formed, the first housing 21 is formed with a part for rotary structure or the rotary structure coordinated with the second rotation section 311.Concrete, as shown in Figure 6, the second housing 31 comprises a roughly rounded part, and the first housing 21 also comprises roughly rounded part, and two circular portion are corresponding.The part of the circle of the second housing 31 is extended a part for a rotary structure, the second rotation section 311 that this part is namely above, the cross section of the second rotation section 311 in the plane that through the second axis and the second axis is radial is the groove roughly in " recessed " character form structure, and the depressed part office of being somebody's turn to do " recessed " character form structure is formed with an arc surface.The part of the circle of the first housing 21 extends the rotary structure corresponding with the first rotation section 311, and this rotary structure is protruding, this projection is formed with another arc surface coaxial with the arc surface of " recessed " character form structure.Like this, projection can move in the groove of " recessed " character form structure, thus the second housing 31 can be rotated relative to the first housing 21.Certainly, form " recessed " character form structure at the first housing 21, and the second housing 31 formed bulge-structure also can be equal to by the application, be in fact as broad as long.The effect of said guide finger 35 is except making the movement limit of slide bar 33 on the first straight line L direction above, and it can also be with moving slide-bar 33 to rotate relative to the first housing 21 in the lump along with the second housing 31.
In addition; main part 10 comprises the main casing 11 holding motor 12; first operation part 20 also can arrange the first operation housing (not shown) for the protection of the first housing 21 and inner components, and the second operation part 30 also can arrange the second operation housing (not shown) for the protection of the second housing 31 and inner components.
More than show and describe general principle of the present utility model, principal character and advantage.The technical staff of the industry should understand, and above-described embodiment does not limit the utility model in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection domain of the present utility model.
Claims (10)
1. a cutting tool, comprising:
Driving shaft is that axle rotates with first axle;
Motor, for driving described driving shaft;
Holder housing, for fixing described motor;
It is characterized in that:
Described cutting tool also comprises:
Drive, is rotated around the second axis by described drive shaft;
Slide bar, is driven by described drive and moves along the first rectilinear direction;
Gear housing, comprises the first housing and the second housing;
Described drive with the second axis for axle is rotationally connected to described first housing;
Described slide bar is slidably connected to described second housing along described first rectilinear direction;
Described first housing comprises the entirety and described holder housing the first rotation section in relative rotation that described first housing and described drive can be made to form;
Described second housing comprises the entirety and described first housing the second rotation section in relative rotation that described second housing and described slide bar can be made to form.
2. cutting tool according to claim 1, is characterized in that:
The entirety that described first housing and described drive are formed and described holder housing in relative rotation the first pivot center are parallel to described first straight line; The entirety that described second housing and described slide bar are formed and described first housing in relative rotation the second pivot center perpendicular to described first straight line.
3. cutting tool according to claim 1, is characterized in that:
Described cutting tool also comprises:
Bearing, supports described driving shaft;
First rotation section of described first housing supports described bearing.
4. cutting tool according to claim 1, is characterized in that:
Second rotation section of described second housing is formed with arc surface, and described first housing is formed with another arc surface that can coordinate with the arc surface of described second housing, and the arc surface of described first housing is coaxial with the arc surface of described second housing.
5. cutting tool according to claim 4, is characterized in that:
The cross section of described second rotation section in the plane that through described second axis and described second axis is radial is " recessed " character form structure; The arc surface of described second housing is formed at the depressed area place of this " recessed " character form structure.
6. a reciprocating saw, comprising:
Main part, comprises main casing;
It is characterized in that:
Also comprise:
First operation part, comprises the first housing;
Second operation part, comprises the second housing;
Wherein, described main casing is fixedly connected with motor, and described first housing is with the second axis for axle is rotatably connected to drive, and described second housing slidably connects slide bar along the first rectilinear direction; Described first housing and described main casing form with the first pivot center, and to be axle be rotationally connected; Described first pivot center is parallel to described first straight line or is parallel to the electrical axis of described motor; Described second housing and described first housing form with the second pivot center perpendicular to described first straight line, and to be axle be rotationally connected.
7. reciprocating saw according to claim 6, is characterized in that:
Described motor is formed or is fixedly connected with:
Driving shaft, drives described drive with described second axis for axle rotates;
Described drive is formed with end-tooth, and described driving shaft is formed with the tooth coordinated with the end-tooth of described drive.
8. reciprocating saw according to claim 7, is characterized in that:
Described drive is formed or is fixedly connected with cam pin, and described slide bar is formed with waist-shaped hole near one end of described drive, and described cam pin embeds described waist-shaped hole.
9. reciprocating saw according to claim 8, is characterized in that:
Described slide bar is also formed with the gathering sill extended along described first rectilinear direction, and described second housing is connected with the guide finger that can embed described gathering sill.
10. reciprocating saw according to claim 6, is characterized in that:
Described first operating portion connects described main part and described second operation part respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520734851.9U CN205020947U (en) | 2015-09-21 | 2015-09-21 | Cutting means and drag saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520734851.9U CN205020947U (en) | 2015-09-21 | 2015-09-21 | Cutting means and drag saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205020947U true CN205020947U (en) | 2016-02-10 |
Family
ID=55253514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520734851.9U Expired - Fee Related CN205020947U (en) | 2015-09-21 | 2015-09-21 | Cutting means and drag saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205020947U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107351261A (en) * | 2017-07-06 | 2017-11-17 | 中国石油天然气股份有限公司 | Rock sample process equipment |
| TWI630993B (en) * | 2017-11-03 | 2018-08-01 | 大里興業有限公司 | Pneumatic tool |
| CN110405950A (en) * | 2019-08-07 | 2019-11-05 | 周美 | Both hands saw |
| CN110978142A (en) * | 2020-01-05 | 2020-04-10 | 浙江嘉宏工具制造有限公司 | Dual-purpose electric hand saw |
| CN111300347A (en) * | 2018-12-12 | 2020-06-19 | 南京德朔实业有限公司 | Reciprocating saw |
-
2015
- 2015-09-21 CN CN201520734851.9U patent/CN205020947U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107351261A (en) * | 2017-07-06 | 2017-11-17 | 中国石油天然气股份有限公司 | Rock sample process equipment |
| CN107351261B (en) * | 2017-07-06 | 2019-03-12 | 中国石油天然气股份有限公司 | Rock sample process equipment |
| TWI630993B (en) * | 2017-11-03 | 2018-08-01 | 大里興業有限公司 | Pneumatic tool |
| CN111300347A (en) * | 2018-12-12 | 2020-06-19 | 南京德朔实业有限公司 | Reciprocating saw |
| CN111300347B (en) * | 2018-12-12 | 2023-11-07 | 喜利得股份公司 | reciprocating saw |
| CN110405950A (en) * | 2019-08-07 | 2019-11-05 | 周美 | Both hands saw |
| CN110978142A (en) * | 2020-01-05 | 2020-04-10 | 浙江嘉宏工具制造有限公司 | Dual-purpose electric hand saw |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20160210 Termination date: 20200921 |