CN207508422U - Reciprocating saw - Google Patents
Reciprocating saw Download PDFInfo
- Publication number
- CN207508422U CN207508422U CN201721599007.5U CN201721599007U CN207508422U CN 207508422 U CN207508422 U CN 207508422U CN 201721599007 U CN201721599007 U CN 201721599007U CN 207508422 U CN207508422 U CN 207508422U
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- axis
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- reciprocating
- reciprocating saw
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Abstract
The utility model discloses a kind of reciprocating saw, including：Reciprocating lever, motor, transmission device and housing；Reciprocating lever connects saw blade, and motor includes the motor shaft that definition has electrical axis；Motor is formed with：First gear；Transmission device includes：It is formed with housing using central axis as the second gear of the rotation connection of axis and the clump weight being connect with second gear；Reciprocating saw further includes：The reversing arrangement that motor is made to be run with the first operating mode or the second operating mode；The central axis of second gear rotation is mutually perpendicular to electrical axis, and second gear includes being provided with the first side of engaging tooth and the second side opposite with the first side along in central axial direction；When motor is run with the first operating mode, see that, to reciprocating lever, motor shaft rotates counterclockwise along electrical axis direction and from motor；When motor is run with the second operating mode, see that, to reciprocating lever, motor shaft rotates clockwise along electrical axis direction and from motor.The cutting efficiency of the reciprocating saw is high and meets human engineering.
Description
Technical field
The utility model is related to a kind of reciprocating saws.
Background technology
Reciprocating saw generally includes：Motor, reciprocating lever and transmission device, transmission device are used for real between motor and reciprocating lever
The transmission of existing power.The raising of the stock-removing efficiency of reciprocating saw always is the hot spot of research, but it is difficult prominent that this hot spot, which is also,
Broken technical barrier.
Utility model content
To solve the deficiencies in the prior art, the purpose of this utility model is to provide a kind of stock-removing efficiency height, human engineerings
Good reciprocating saw.
In order to realize above-mentioned target, the utility model adopts the following technical scheme：
A kind of reciprocating saw, including：Reciprocating lever, motor, transmission device and housing；Reciprocating lever is used to connect saw blade, motor packet
Including definition has the motor shaft of electrical axis, and transmission device for realizing the transmission of power between motor and reciprocating lever, use by housing
In receiving motor；Motor is formed or is fixedly connected with：The first gear that can be moved with respect to housing using electrical axis as shaft rotation；Transmission
Device includes：It is formed with housing using central axis as the second gear of the rotation connection of axis and the counterweight being connect with second gear
Block；Clump weight is formed with second gear and is rotated synchronously；Reciprocating saw further includes：Motor is made to work with the first operating mode or second
The reversing arrangement of mode operation；Wherein, the central axis of second gear rotation is mutually perpendicular to electrical axis, and second gear is in
Include being provided with the first side of engaging tooth and the second side opposite with the first side on heart axis direction；In motor with the first Working mould
When formula is run, see that, to reciprocating lever, motor shaft rotates counterclockwise along electrical axis direction and from motor；In motor with the second Working mould
When formula is run, see that, to reciprocating lever, motor shaft rotates clockwise along electrical axis direction and from motor.
Further, it when motor is run with the first operating mode, is seen along central axial direction and from the first side to second
Side, second gear rotate counterclockwise；When motor is run with the second operating mode, along central axial direction and from the first side see to
The second side, second gear rotate clockwise.
Further, reciprocating saw further includes：For the support base contacted with workpiece；Support base can be with first with housing composition
Axis is the rotation connection of axis；The first axle of support base rotation gets along vertical with the central axis that second gear rotates.
Further, clump weight is connected to the first side of second gear, when seeing along electrical axis from motor to reciprocating lever, matches
Pouring weight is arranged on the left side of second gear.
Further, transmission device further includes：Connecting rod and pin；Connecting rod includes the first end that is connect with reciprocating lever and with second
The second end of gear connection, pin make the second end of connecting rod rotatably connect as axis using the second axis of one and centerline axis parallel
It is connected to second gear；Clump weight includes counterweight part；Counterweight part and pin are arranged on the both sides by the plane of central axis；Electricity
Arbor line passes through central axis, and the barycenter and reciprocating lever of counterweight part are located at one by electrical axis and by central axis respectively
Plane both sides.
Further, housing is symmetrical arranged about a symmetrical plane；The central axis of second gear rotation is put down with symmetrical
Face is vertical.
Further, reciprocating saw further include for sense reciprocating saw be from the upside of workpiece cut workpiece or by user into
Row overturns the inductor to cut workpiece from the downside of workpiece；Inductor is connect with reversing arrangement；In reciprocating saw from the upper of workpiece
When workpiece is cut in lateral incision, reversing arrangement control motor is in the first operating mode；It is overturn in reciprocating saw by user under workpiece
When workpiece is cut in lateral incision, reversing arrangement control motor is in the second operating mode.
A kind of reciprocating saw, including：Reciprocating lever, motor, transmission device and housing；Reciprocating lever is used to connect saw blade, motor packet
Including definition has the motor shaft of electrical axis, and transmission device for realizing the transmission of power between motor and reciprocating lever, use by housing
In receiving motor；Motor is formed or is fixedly connected with：The first gear that can be moved with respect to housing using electrical axis as shaft rotation；Transmission
Device includes：It is formed with housing using central axis as the second gear of the rotation connection of axis and the counterweight being connect with second gear
Block；Housing is symmetrical arranged about a symmetrical plane, and the central axis of second gear rotation is mutually perpendicular to electrical axis, and the
The central axis of two gears rotation is mutually perpendicular to symmetrical plane；Second gear includes being provided with engagement along in central axial direction
First side of tooth and the second side opposite with the first side；Wherein, along electrical axis and when being seen from motor to reciprocating lever, motor shaft is inverse
Hour hands rotate, and the first side of second gear setting engaging tooth is located at the left side of the second side.
Further, motor shaft is connected with the fan with its synchronous rotation, and housing is formed with the air outlet for outlet air；
Along along electrical axis direction, air outlet is identical with the axial position of fan.
Further, transmission device further includes：Connecting rod and pin；Connecting rod includes the first end that is connect with reciprocating lever and with second
The second end of gear connection, pin make the second end of connecting rod be rotatably connected to as axis using the axis of one and centerline axis parallel
Second gear clump weight includes counterweight part；Counterweight part and pin are arranged on the both sides by the plane of central axis；Motor shaft
Line passes through central axis, and the barycenter and reciprocating lever of counterweight part are located at one by electrical axis and by the flat of central axis respectively
The both sides in face.
The utility model is beneficial in that：The cutting efficiency of the reciprocating saw is high and meets ergonomics.
Description of the drawings
Fig. 1 is the stereogram of the reciprocating saw of the utility model；
Fig. 2 is plan view of the reciprocating saw after removal saw blade and partial shell in Fig. 1；
Fig. 3 is the stereogram of motor in Fig. 2, transmission device and reciprocating lever；
Fig. 4 is the plan view of structure shown in Fig. 3；
Fig. 5 is the stereogram after the reciprocating saw in Fig. 1 is reversed.
Specific embodiment
Fig. 1 includes to reciprocating saw 100 shown in Fig. 2：Housing 11, motor 12, reciprocating lever 13, transmission device 14, saw blade 15
With support base 16.
The technical solution of the utility model for convenience of explanation, also define as in Fig. 1 upside, downside, front side, after
Side, left side and right side.
Housing 11 is formed with accommodating chamber 111, and housing 11 extends along longitudinally 101.Housing 11 is also formed with：Handle portion afterwards
112 and front handlebar portion 113, along longitudinally 101, motor 12 is between rear handle portion 112 and front handlebar portion 113.
As shown in Figures 2 to 4, motor 12 is arranged in accommodating chamber 111, and motor 12 is used to that reciprocating lever 13 to be driven to move.Electricity
Machine 12 includes motor shaft 121, and motor shaft 121 can be moved with respect to housing 11 with electrical axis 102 for shaft rotation, wherein, electrical axis 102
It is substantially parallel with the longitudinally 101 of housing 11.Motor shaft 121 also forms or is fixedly connected with first gear 122, the first tooth
Wheel 122 is formed with motor shaft 121 and is rotated synchronously, and first gear 122 is used to the power that motor 12 exports being transferred to transmission device
14.Fan 123 is also associated on motor shaft 121, fan 123 can radiate to motor 12 when rotating.Housing 11 is also formed
There is air outlet 114, along 102 direction of electrical axis, air outlet 114 and fan 123 are arranged on same axial position.
Transmission device 14 is arranged between motor 12 and reciprocating lever 13 to realize between motor 12 and reciprocating lever 13
The transmission of power.
Reciprocating lever 13 extends substantially along the direction for being parallel to electrical axis 102, and reciprocating lever 13 is reciprocal in their extension direction
Movement.Reciprocating lever 13 is connect with saw blade 15, and saw blade 15 can be driven to cut workpiece when reciprocating lever 13 moves back and forth.
Saw blade 15 can removably be connected to reciprocating lever 13, and saw blade 15 is formed with sawtooth 151.
Support base 16 is arranged on the front side of housing 11, and support base 16 is used for the contact aside with workpiece so that reciprocating saw
100 support on workpiece.Support base 16 also forms rotation connection that can be with first axle 103 for axis with housing 11, so as to suitable
It answers different workpiece or adapts to the different operating habit of user.
Transmission device 14 specifically includes：Second gear 141, connecting rod 142 and clump weight 143.Second gear 141 and housing 11
Form rotation connection that can be with central axis 104 for axis.Second gear 141 is engaged with the composition of first gear 122 thus by power
It is introduced to transmission device 14.Specifically, the motor that the central axis 104 that second gear 141 rotates is rotated with first gear 122
Axis 102 is mutually perpendicular to, electrical axis 102 also by central axis 104, and the central axis 104 that rotates of second gear 141 with
The first axle 103 that support base 16 rotates is mutually perpendicular to.Specifically, second gear 141 is face gear, face gear is substantially
Vertical along the vertical direction is arranged in the accommodating chamber 111 of housing 11.Second gear 141 has the along 104 direction of central axis
Side 141a and the second side 141b, the first side 141a are provided with the engaging tooth for being engaged with first gear 122, the second side 141b
It is oppositely arranged with the first side 141a.See that, to reciprocating lever 13, the first side 141a is arranged on along 102 direction of electrical axis and from motor 12
The left side of the second side 141b.
Connecting rod 142 includes the first end being connect with reciprocating lever 13 and the second end being connect with second gear 141.Transmission device
14 further include so that the second end of connecting rod 142 is rotatably connected to the pin 144 of second gear 141 with second axis 105 for axis,
Wherein, second axis 105 is mutually parallel with central axis 104.Pin 144 is with respect to 141 eccentric setting of second gear.Connecting rod 142
First end also forms rotation connection with reciprocating lever 13.In this way, when 141 1 central axis 104 of second gear is moved for shaft rotation, connecting rod
142 can drive reciprocating lever 13 to move back and forth between extended position and retracted position.Wherein, reciprocating lever 13 is by stretching out position
It puts and is back to the process of retracted position as working angles, and reciprocating lever 13 moves to the process of extended position to return by retracted position
The process of returning.
Clump weight 143 is connect with second gear 141, and clump weight 143 is arranged on the first side 141a of second gear 141,
Clump weight 143 is also formed with second gear 141 and is rotated synchronously.Specifically, clump weight 143 specifically includes：Counterweight part 143a and
Connecting portion 143b, counterweight part 143a and connecting portion 143b are arranged on the both sides by the plane of central axis 104, connecting portion
143b is connect with pin 144, and pin 144 and counterweight part 143a are also disposed at the both sides of the plane.The barycenter of counterweight part 143a and reciprocal
Bar 13 is also separately positioned on the both sides of a plane by electrical axis 102 and by central axis 104, in other words, matches
The barycenter and reciprocating lever 13 of weight portion 143a are separately positioned on the both sides up and down of the plane.
In the present embodiment, reciprocating saw 100 further includes reversing arrangement 17, and reversing arrangement 17 includes being used for for user's operation
Reversing switch 171 and control circuit.For reversing switch 171 when being user-operably, control circuit can cause motor 12 with the first work
Operation mode or the operation of the second operating mode.When reversing arrangement 17 makes motor 12 with the first mode of operation, along motor shaft
102 direction of line and see that, to reciprocating lever 13, motor shaft 121 rotates counterclockwise from motor 12, while along 104 direction of central axis by
Side 141a sees that, to the second side 141b, second gear 141 rotates counterclockwise；And when reversing arrangement 17 makes motor 12 with the second work
When pattern works, see that motor shaft 121 rotates clockwise, while edge to reciprocating lever 13 along 102 direction of electrical axis and from motor 12
104 direction of central axis sees that, to the second side 141b, second gear 141 rotates clockwise from the first side 141a.In this way, such as Fig. 1 institutes
Show, installed when the sawtooth 151 of saw blade 15 to reciprocating lever 13 and user downwards and use upside cutter of the reciprocating saw 100 from workpiece
During part, user can operate reversing switch 171 so that motor 12 is in the first operating mode, in this way, when counterweight part 143a is moved
To return course shown in Fig. 4 terminal and working angles starting point when, the centrifugal force of counterweight part 143a obliquely, so as to saw blade
15 will have there are one inertia force obliquely, the more enough more efficient cutting workpiece of the inertia power drive saw blade 15, while at this moment
Fan 123 rotates counterclockwise, and can cause the most of all downward blowout housing 11 of wind come out from air outlet 114, so as to avoid gas
Stream blows to user and causes the discomfort of user.And when user spins upside down reciprocating saw 100 so that reciprocating saw 100 is from workpiece
Downside cut workpiece when, at this moment user can operate reversing switch 171 so that motor 12 be in the second operating mode, likewise,
When counterweight part 143a move to return course terminal and working angles starting point when, the centrifugal force of counterweight part 143a obliquely,
So as to which saw blade 15 will have there are one inertia force obliquely, the more enough more efficient cutting workpiece of the inertia power drive saw blade 15,
At this moment fan 123 rotates clockwise simultaneously, the blowout the housing 11 so that air-flow come out from air outlet 114 still keeps down,
And then air-flow can be avoided to blow to user and cause the discomfort of user.
Reciprocating saw 100 further includes：Inductor, inductor are connect with reversing arrangement 17.Inductor can sense reciprocating saw 100
Be it is as shown in Figure 1 from the upside of workpiece cut workpiece or by user overturn with from the downside of workpiece cut workpiece.Sense
Answer device that the information sensed is transferred to reversing arrangement 17, reversing arrangement 17 is in the according to the information control motor 12 received
One operating mode or the second operating mode.Specifically, inductor can be the pressure being arranged at the front handlebar of housing 11
Inductor, pressure inductor can apply the power to front handlebar by sensing user and judge which kind of shape reciprocating saw 100 is in
State.When reciprocating saw 100 cuts workpiece from the upside of workpiece, reversing arrangement 17 controls motor 12 to be in the first operating mode；
When reciprocating saw 100 is overturn by user to cut workpiece from the downside of workpiece, reversing arrangement 17 controls motor 12 to be in second
Operating mode.
Alternatively, in other embodiments, when user needs to carry out cutting workpiece on the downside of workpiece, user can be only
Be by by saw blade 15 by it is as shown in Figure 5 it is counter fill in the form of be inserted into reciprocating lever 13, without reciprocating saw 100 is carried out up and down
Overturning, at this moment, which can be set to when being seen along 102 direction of electrical axis from motor 12 to reciprocating lever 13, electricity
Machine 12 can only rotate in a counterclockwise direction, and when seeing along 104 direction of central axis from the first side 141a to the second side 141b, and second
Gear 141 can only also rotate counterclockwise, and at this moment both ensure that the cutting efficiency of reciprocating saw 100, in turn avoid air-flow and blow to user
And cause the discomfort of user, and then meet ergonomics.
The basic principle, main feature and advantage of the utility model has been shown and described above.The technical staff of the industry
It should be appreciated that above-described embodiment does not limit the utility model in any form, it is all by the way of equivalent substitution or equivalent transformation
The technical solution obtained, all falls in the scope of protection of the utility model.
Claims (10)
1. a kind of reciprocating saw, including：
Reciprocating lever, for connecting saw blade；
Motor has the motor shaft of electrical axis including definition；
Transmission device, for realizing the transmission of power between the motor and the reciprocating lever；
Housing, for accommodating the motor；
It is characterized in that：
The motor is formed or is fixedly connected with：The first tooth that relatively described housing can be moved using the electrical axis as shaft rotation
Wheel；The transmission device includes：With the housing form using central axis as the second gear of the rotation connection of axis and with it is described
The clump weight of second gear connection；The clump weight is formed with the second gear and is rotated synchronously；The reciprocating saw further includes：Make
The reversing arrangement that the motor is run with the first operating mode or the second operating mode；Wherein, the second gear rotates
Central axis is mutually perpendicular to the electrical axis, and the second gear includes being provided with engagement along in the central axial direction
First side of tooth and the second side opposite with first side；When the motor is run with first operating mode, along institute
It states electrical axis direction and sees that, to the reciprocating lever, the motor shaft rotates counterclockwise from the motor；In the motor with institute
When stating the operation of the second operating mode, seen along the electrical axis direction and from the motor to the reciprocating lever, the motor shaft
It rotates clockwise.
2. reciprocating saw according to claim 1, it is characterised in that：
When the motor is run with first operating mode, seen along the central axial direction and from first side to institute
The second side is stated, the second gear rotates counterclockwise；When the motor is run with second operating mode, along the center
Axis direction and see that, to the second side, the second gear rotates clockwise from first side.
3. reciprocating saw according to claim 2, it is characterised in that：
The reciprocating saw further includes：For the support base contacted with workpiece；The support base can be with first with housing composition
Axis is the rotation connection of axis；The first axle of the support base rotation gets along vertical with the central axis that the second gear rotates
Directly.
4. reciprocating saw according to claim 3, it is characterised in that：
The clump weight is connected to the first side of the second gear, is seen along the electrical axis from the motor to described reciprocal
During bar, the clump weight is arranged on the left side of the second gear.
5. reciprocating saw according to claim 4, it is characterised in that：
The transmission device further includes：
Connecting rod, including the first end being connect with the reciprocating lever and the second end being connect with the second gear；
Pin, makes the second end of the connecting rod be rotatably connected to as axis using the second axis of one and the centerline axis parallel
The second gear；
The clump weight includes counterweight part；The counterweight part and the pin are arranged on the plane of a process central axis
Both sides；The electrical axis passes through the central axis, and the barycenter of the counterweight part and the reciprocating lever are located at a warp respectively
Cross the both sides of the electrical axis and the plane by the central axis.
6. reciprocating saw according to claim 1, it is characterised in that：
The housing is symmetrical arranged about a symmetrical plane；The central axis and the symmetrical plane of the second gear rotation
Vertically.
7. reciprocating saw according to claim 6, it is characterised in that：
It is to cut workpiece from the upside of workpiece or turned over by user that the reciprocating saw, which is further included for sensing the reciprocating saw,
Turn the inductor to cut workpiece from the downside of workpiece；The inductor is connect with reversing arrangement；
When the reciprocating saw cuts workpiece from the upside of workpiece, the reversing arrangement controls the motor to be in first work
Operation mode；When the reciprocating saw is overturn by user to cut workpiece from the downside of workpiece, the reversing arrangement controls the electricity
Machine is in second operating mode.
8. a kind of reciprocating saw, including：
Reciprocating lever, for connecting saw blade；
Motor has the motor shaft of electrical axis including definition；
Transmission device, for realizing the transmission of power between the motor and the reciprocating lever；
Housing, for accommodating the motor；
It is characterized in that：
The motor is formed or is fixedly connected with：The first tooth that relatively described housing can be moved using the electrical axis as shaft rotation
Wheel；The transmission device includes：With the housing form using central axis as the second gear of the rotation connection of axis and with it is described
The clump weight of second gear connection；The housing is symmetrical arranged about a symmetrical plane, the center of the second gear rotation
Axis is mutually perpendicular to the electrical axis, and the central axis of second gear rotation mutually hangs down with the symmetrical plane
Directly；The second gear includes being provided with along in the central axial direction the first side of engaging tooth and opposite with first side
The second side；Wherein, along the electrical axis and when being seen from the motor to the reciprocating lever, the motor shaft turns counterclockwise
It is dynamic, and the second gear sets the first side of the engaging tooth to be located at the left side of the second side.
9. reciprocating saw according to claim 8, it is characterised in that：
The motor shaft is connected with the fan with its synchronous rotation, and the housing is formed with the air outlet for outlet air；Along institute
It states on electrical axis direction, the air outlet is identical with the axial position of the fan.
10. reciprocating saw according to claim 8, it is characterised in that：
The transmission device further includes：
Connecting rod, including the first end being connect with the reciprocating lever and the second end being connect with the second gear；
Pin, make the second end of the connecting rod using one be rotatably connected to as axis with the axis of the centerline axis parallel described in
Second gear；
The clump weight includes counterweight part；The counterweight part and the pin are arranged on the plane of a process central axis
Both sides；The electrical axis passes through the central axis, and the barycenter of the counterweight part and the reciprocating lever are located at a warp respectively
Cross the both sides of the electrical axis and the plane by the central axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721599007.5U CN207508422U (en) | 2017-11-24 | 2017-11-24 | Reciprocating saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721599007.5U CN207508422U (en) | 2017-11-24 | 2017-11-24 | Reciprocating saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207508422U true CN207508422U (en) | 2018-06-19 |
Family
ID=62541313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721599007.5U Expired - Fee Related CN207508422U (en) | 2017-11-24 | 2017-11-24 | Reciprocating saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207508422U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110756898A (en) * | 2019-11-08 | 2020-02-07 | 浙江皇冠电动工具制造有限公司 | Reciprocating type power tool |
| US10875110B2 (en) | 2010-07-23 | 2020-12-29 | Milwaukee Electric Tool Corporation | Reciprocating saw |
| US11052476B2 (en) | 2010-07-23 | 2021-07-06 | Milwaukee Electric Tool Corporation | Reciprocating saw |
-
2017
- 2017-11-24 CN CN201721599007.5U patent/CN207508422U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10875110B2 (en) | 2010-07-23 | 2020-12-29 | Milwaukee Electric Tool Corporation | Reciprocating saw |
| US11052476B2 (en) | 2010-07-23 | 2021-07-06 | Milwaukee Electric Tool Corporation | Reciprocating saw |
| US11370043B2 (en) | 2010-07-23 | 2022-06-28 | Milwaukee Electric Tool Corporation | Reciprocating saw |
| US11607738B2 (en) | 2010-07-23 | 2023-03-21 | Milwaukee Electric Tool Corporation | Reciprocating saw |
| US12017289B2 (en) | 2010-07-23 | 2024-06-25 | Milwaukee Electric Tool Corporation | Reciprocating saw |
| CN110756898A (en) * | 2019-11-08 | 2020-02-07 | 浙江皇冠电动工具制造有限公司 | Reciprocating type power tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180619 Termination date: 20201124 |