CN109834331A - A kind of reciprocating electric tool - Google Patents
A kind of reciprocating electric tool Download PDFInfo
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- CN109834331A CN109834331A CN201711214469.5A CN201711214469A CN109834331A CN 109834331 A CN109834331 A CN 109834331A CN 201711214469 A CN201711214469 A CN 201711214469A CN 109834331 A CN109834331 A CN 109834331A
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- shell
- handle apparatus
- electric tool
- reciprocating
- reciprocating electric
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Abstract
A kind of reciprocating electric tool, it include: shell (1), transmission mechanism (2), handle apparatus (3), the transmission mechanism includes motor (4), the gear (5) driven by motor, the eccentric shaft (5a) being arranged on gear and the reciprocating lever (6) to move reciprocatingly；One end of the shell (1) is equipped with and protrudes into the convex extension part (11) in handle apparatus (3), the convex extension part is equipped with clamping part (11a), the handle apparatus (3) has the holding part (31) cooperated with clamping part (11a), and the clamping part (11a) is flexibly connected with holding part (31), a kind of reciprocating electric tool further comprises the elastic element (7) being pressed on rear side of convex extension part (11) between handle apparatus (3).Reciprocating lever bring vibration during the motion can effectively be absorbed as damper mechanism using above-mentioned elastic element, to eliminate the feeling of fatigue that user generates in operation machine processes.
Description
[technical field]
The present invention relates to a kind of reciprocating electric tools, in particular to make the reciprocating electric tool of reciprocating cutting.
[background technique]
A kind of existing reciprocating electric tool largely uses eccentric wheel type transmission mechanism, generally includes along longitudinally
The shell of extension is arranged in the intracorporal motor of shell, is arranged perpendicular to longitudinally and leads to by the main shaft of motor driving, with main shaft
The reciprocating lever crossing the eccentric shaft of interconnecting piece bias connection and being moved reciprocatingly by eccentric shaft driving, the reciprocating lever drive installation
Saw blade on it carries out reciprocating cutting movement.
In the above-mentioned kind of drive, when reciprocating lever moves back and forth, reciprocating lever will generate biggish vibration, so that
It in influence cutting accuracy, and be easy to cause operator's hand numb, feels fatigue.So in reciprocating saw, it will usually setting balance
Mechanism, to reduce reciprocating lever because fiber crops feel brought by vibration is felt, common balance mechanism is balance weight, the usual edge of the balance weight
Reciprocating lever the direction of motion it is opposite direction movement, to inhibit reciprocal vibration of bar.
The Chinese invention patent bulletin CN100355522C patent for please referring to bulletin on December 19th, 2007, is disclosed
A kind of reciprocating electric tool, which inhibits reciprocal vibration of bar using eccentric wheel type transmission mechanism, but this subtracts
Vibration mechanism can only play the effect of part vibration damping in actual use, reciprocal vibration of bar can not be impaired to it is minimum, also
It is that the hand of user can be allowed to have vibration sense, for a long time using being easy to allow user to feel fatigue.
In consideration of it, it is necessory to provide a kind of a kind of improved damper mechanism of reciprocating electric tool, to overcome previously
Defect existing for technology.
[summary of the invention]
In view of the deficiencies of the prior art, the purpose of the present invention is to provide the vibration damping machines that one kind can eliminate reciprocating saw vibration
Structure.
The present invention solves technical solution used by prior art problem: a kind of reciprocating electric tool, comprising: lengthwise
Shell, the intracorporal transmission mechanism of shell is set and is connected on rear side of shell handle apparatus, the transmission mechanism includes installation
In the intracorporal motor of shell, the gear driven by motor, the eccentric shaft being arranged on gear and it is connected on eccentric shaft and along lengthwise
The reciprocating lever that direction moves reciprocatingly；One end of the shell is equipped with and protrudes into the convex extension part in handle apparatus, which sets
There is clamping part, the handle apparatus has the holding part cooperated with clamping part, and the clamping part is flexibly connected with holding part, institute
Stating a kind of reciprocating electric tool further comprises the elastic element being pressed on rear side of convex extension part between handle apparatus.
Further improvement scheme are as follows: the elastic element is arched, and the two sides up and down of elastic element and the handle fill
Abutting is set, middle part is connected on rear side of the convex extension part.
Further improvement scheme are as follows: the convex extension part of the shell has through-hole, and the handle apparatus is equipped with to be led to described
The pin shaft of hole cooperation, there are gaps between the pin shaft and through-hole.
Further improvement scheme are as follows: the upper and lower ends of convex extension part are arranged in the through-hole, and the pin shaft and through-hole are also in pair
It should be arranged, and the oval design of the through-hole.
Further improvement scheme are as follows: damping element is equipped between the shell and handle apparatus, the damping element is along shell
The circumferencial direction of body is distributed.
Further improvement scheme are as follows: the top of the gear is formed with eccentric block, which is in 180 degree phase with eccentric shaft
Position setting.
Compared with prior art, the invention has the following beneficial effects: elasticity member is equipped between shell and handle apparatus
Part, capable of effectively reducing reciprocating lever, bring is vibrated at work, is generated in operation machine processes to eliminate user
Feeling of fatigue.
[Detailed description of the invention]
Specific embodiments of the present invention are further described in detail with reference to the accompanying drawing:
Fig. 1 is a kind of general assembly schematic cross-sectional view of reciprocating electric tool；
Fig. 2 is the perspective view of the explosion of vibration-proof structure in Fig. 1；
Fig. 3 is the perspective view of the explosion of drive mechanism in Fig. 1.
The meaning of appended drawing reference in figure:
1, shell 1a, through-hole 2, transmission mechanism 3, handle apparatus 3a, pin shaft 4, motor 5, gear 5a, eccentric shaft
5b, eccentric block 6, reciprocating lever 6a, groove 7, elastic element 8, damping element 9, main shaft 10, motor gear 11, convex extension part
11a, clamping part 12, saw blade 31, holding part 100, a kind of reciprocating electric tool
[specific embodiment]
It is as shown in Figure 1 to Figure 3 a kind of reciprocating electric tool involved in a specific embodiment of the invention, the one kind
Reciprocating electric tool 100 include along longitudinally extend shell 1, the shell 1 definition have rear and front end, as shown in Fig. 2,
Left side is front end, and right side is rear end.Transmission mechanism 2 in shell 1 is set, the handle apparatus 3 of 1 rear end of shell is connected to,
The rear end of shell 1 is equally provided with motor 4 along longitudinally, and longitudinally is provided with main shaft 9 in the front end of shell 1,
Gear 5 is fixedly connected on main shaft 9,10 engaged transmission of the gear 5 and motor gear, so that the rotation torque of motor 4 be passed
It is handed on main shaft 9, is formed with an eccentric block 5b on the top of gear 5, is arranged on gear 5 and is parallel to main shaft 9
Eccentric shaft 5a is connected on eccentric shaft 5a and along the reciprocating lever 6 that longitudinally moves reciprocatingly, and is mounted in handle apparatus 3 and is put down
The elastic element 7 that row is arranged in main shaft 9, is arranged in the damping element 8 between shell 1 and handle apparatus 3.
It please refers to shown in Fig. 1 to Fig. 2, the rear end of the shell 1, which is equipped with, protrudes into the convex extension part 11 in handle apparatus 3, institute
It states convex extension part 11 and is equipped with clamping part 11a along longitudinally two sides, the clamping part 11a includes through-hole 1a, and the through-hole 1a is in ellipse
Circular configuration, the handle apparatus 3 are equipped with the holding part 31 matched with clamping part 11a, and the holding part 31 includes pin shaft
3a, when assembling, pin shaft 3a, which passes through through-hole 1a, can make clamping part 11a link together with holding part 31 along longitudinally activity,
And there are a certain amount of gaps between cooperation, have offset activity empty to realize shell 1 and handle apparatus 3 along longitudinally
Between, elastic element 7 is equipped between 1 rear end of shell and handle apparatus 3, the two sides up and down of the elastic element 7 are connected to institute
It states in handle apparatus 3, centre is connected to the rear side of the shell 1.
It please refers to shown in Fig. 2, is additionally provided with damping element 8 between the shell 1 and handle apparatus 3, which can be by
Rubber material with certain elasticity is made, and the damping element 8 rounds distribution and by shell along the circumferencial direction of shell 1
1 links together with what handle apparatus 3 sealed, and the flexible deformation of damping element 8 can be absorbed to be generated in reciprocating saw motion process
A part vibration.
It please refers to shown in Fig. 3, the transmission mechanism 2 includes being mounted on the intracorporal motor 4 of shell, by the driving rotation of motor 4
Main shaft 9, peace turn gear 5 on main shaft 9, the eccentric shaft 5a being arranged on gear 5 and are connected on eccentric shaft 5a and along lengthwise
The top of the reciprocating lever 6 that direction moves reciprocatingly, the gear 5 is formed with eccentric block 5b, and eccentric block 5b is in eccentric shaft 5a
180 degree phase setting, to make eccentric shaft 5a relative to main shaft 9 in eccentric connection.
The technical solution of the present invention for eliminating reciprocating saw vibration are as follows: please refer to shown in Fig. 1 to Fig. 2, the rotation of motor 4
Rotatory force driving spindle 9 rotates, and is fixedly connected with gear 5 on main shaft 9, is formed with an eccentric block on the top of gear 5
5b, is arranged on gear 5 and is parallel to the eccentric shaft 5a of main shaft 9, and eccentric shaft 5a is interior along the past of longitudinally setting with shell 1
Groove 6a on compound lever 6 is flexibly connected.To which when main shaft 9 is rotated, eccentric shaft 5a will be done partially with the rotation of main shaft 9
Heart rotation, and further reciprocating lever 6 is driven to do linear reciprocating motion along longitudinally, make the saw being mounted on reciprocating lever 6
Item 12 carries out reciprocating cutting movement, at this point, can bring biggish vibration to machine since reciprocating lever 6 quickly moves back and forth, shakes
The dynamic thrust that will form to the right, squeezes shell 1 towards the direction of handle apparatus 3, because of the cooperation between pin shaft 3a and through-hole 1a
There are a certain amount of gap, thus shell 1 can opposite handle device 3 deviate squeeze elastic element 7 to the right, elastic element at this time
7 generate flexible deformations to absorb thrust of the shell 1 to handle apparatus 3, while the bullet being arranged between shell 1 and handle apparatus 3
Property damping element 8 generate flexible deformation also can be absorbed a part vibration.
Reciprocating lever bring vibration during the motion can effectively be absorbed as damper mechanism using above-mentioned elastic element
It is dynamic, to eliminate the feeling of fatigue that user generates in operation machine processes.
Claims (6)
1. a kind of reciprocating electric tool, comprising: the shell (1) of lengthwise, the transmission mechanism (2) being arranged in shell (1) and company
The handle apparatus (3) being connected on rear side of shell (1), the transmission mechanism (2) include the motor (4) being mounted in shell (1), by horse
It in the eccentric shaft (5a) on gear (5) and is connected on eccentric shaft (5a) and along lengthwise side up to the gear (5) of (4) driving, setting
To the reciprocating lever (6) to move reciprocatingly；It is protruded into handle apparatus (3) it is characterized by: one end of the shell (1) is equipped with
Convex extension part (11), the convex extension part are equipped with clamping part (11a), and the handle apparatus (3) has the clasp cooperated with clamping part (11a)
Portion (31), and the clamping part (11a) is flexibly connected with holding part (31), a kind of reciprocating electric tool further comprise
It is pressed on the elastic element (7) on rear side of convex extension part (11) between handle apparatus (3).
2. a kind of reciprocating electric tool according to claim 1, it is characterised in that: the elastic element (7) is arched,
And the two sides up and down of elastic element (7) are abutted with the handle apparatus (3), middle part is connected on rear side of the convex extension part (11).
3. a kind of reciprocating electric tool according to claim 1 or 2, it is characterised in that: the convex extension part of the shell (1)
(11) there is through-hole (1a), the handle apparatus (3) is equipped with the pin shaft (3a) cooperated with the through-hole (1a), the pin shaft
There are gaps between (3a) and through-hole (1a).
4. a kind of reciprocating electric tool according to claim 3, it is characterised in that: through-hole (1a) setting is protruding out
The upper and lower ends in portion (11), the pin shaft (3a) and through-hole (1a) are also in being correspondingly arranged, and the through-hole (1a) is oval sets
Meter.
5. a kind of reciprocating electric tool according to claim 4, it is characterised in that: the shell (1) and handle apparatus
(3) damping element (8) are equipped between, the damping element (8) is distributed along the circumferencial direction of shell (1).
6. a kind of reciprocating electric tool according to claim 1, it is characterised in that: the top of the gear (5) is formed
There is eccentric block (5b), the eccentric block (5b) and eccentric shaft (5a) are arranged in 180 degree phase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711214469.5A CN109834331A (en) | 2017-11-28 | 2017-11-28 | A kind of reciprocating electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711214469.5A CN109834331A (en) | 2017-11-28 | 2017-11-28 | A kind of reciprocating electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109834331A true CN109834331A (en) | 2019-06-04 |
Family
ID=66880755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711214469.5A Pending CN109834331A (en) | 2017-11-28 | 2017-11-28 | A kind of reciprocating electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109834331A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113210728A (en) * | 2021-04-19 | 2021-08-06 | 江苏东成工具科技有限公司 | Reciprocating electric tool |
-
2017
- 2017-11-28 CN CN201711214469.5A patent/CN109834331A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113210728A (en) * | 2021-04-19 | 2021-08-06 | 江苏东成工具科技有限公司 | Reciprocating electric tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190604 |
|
| WD01 | Invention patent application deemed withdrawn after publication |