CN110170702B - Hand-held electric chain saw - Google Patents
Hand-held electric chain saw Download PDFInfo
- Publication number
- CN110170702B CN110170702B CN201910590973.8A CN201910590973A CN110170702B CN 110170702 B CN110170702 B CN 110170702B CN 201910590973 A CN201910590973 A CN 201910590973A CN 110170702 B CN110170702 B CN 110170702B
- Authority
- CN
- China
- Prior art keywords
- handle
- motor
- chain
- saw
- hand
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 description 6
- 206010044565 Tremor Diseases 0.000 description 4
- 239000012634 fragment Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D57/00—Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00
- B23D57/02—Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00 with chain saws
- B23D57/023—Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00 with chain saws hand-held or hand-operated
Abstract
The application discloses handheld electric chain saw, including handle and motor, the handle is inside cavity formula handle, be provided with two installation ends on the handle, the motor is fixed to be set up in the handle, and the pivot of motor is directional one installation end of handle, two installation ends of handle are used for installing battery and saw structure respectively. The invention has the following beneficial effects: the motor is arranged in the handle, so that a user can indirectly hold the motor in the palm of a hand when using the device, the handle of the device can be used by holding the device with one hand, and the whole device is kept stable in the working process.
Description
Technical Field
The invention relates to the field of electric tools, in particular to a handheld electric chain saw.
Background
Patent CN2014102981990 provides a lithium electric chain saw containing a vibration reduction handle and a follow-up saw frame, a motor in the chain saw can vibrate during operation, and the vibration of the motor can cause the vibration of the whole device, so in order to keep stable during the use process of the handheld lithium electric chain saw, two handles must be held by two hands, and the operation is very inconvenient.
Disclosure of Invention
The present invention addresses the above-mentioned problems by providing a hand-held electric chain saw.
The technical scheme adopted by the invention is as follows:
the utility model provides a handheld electric chain saw, includes handle and motor, the handle is inside cavity type handle, be provided with two installation ends on the handle, the motor is fixed to be set up in the handle, and the pivot of motor is directional to one installation end of handle, two installation ends of handle are used for installing battery and saw structure respectively.
The motor is arranged in the handle, when the handle is held by the hand, the motor is held in the palm, so that the motor shaft rotates in the palm, and tremble can be generated in the working process of the motor. Meanwhile, the motor is the heaviest part in the whole device, and the motor is arranged on the handle, which is equivalent to that the gravity center of the whole device is positioned on the handle, and the hand directly holds the gravity center of the whole device, so that the whole device is more stable in the working process.
The motor is arranged in the handle, so that a user can indirectly hold the motor in the palm of a hand when using the device, the handle of the device can be used by holding the device with one hand, and the whole device is kept stable in the working process.
Optionally, a saw structure is also included, the saw structure being mounted on one mounting end of the grip.
Optionally, the saw structure comprises a saw chain, a chain wheel and a chain plate, wherein the chain wheel is directly or indirectly rotatably arranged on the handle, the chain plate is directly or indirectly fixed on the handle, and the saw chain is arranged on the chain wheel and the chain plate.
The chain wheel is directly or indirectly fixed on the handle in a rotating way, and the chain plate is directly or indirectly fixed on the handle in a movable way, and the distance between the chain plate and the chain wheel can be adjusted, so that the chain wheel is suitable for the tightness change of the saw chain.
Optionally, the motor and the chain wheel are linked through gears or worm gears.
Optionally, the motor and the sprocket are linked through a worm gear, the worm is arranged on a shaft of the motor, the worm shaft is rotatably arranged on the handle, the worm gear is meshed with the worm, and the sprocket and the worm gear are directly or indirectly linked together.
Optionally, the handle further comprises a baffle plate, wherein the baffle plate is arranged on the handle, and two ends of the baffle plate are respectively matched with two mounting ends of the handle directly or indirectly.
The baffle plays a role in protecting hands, so that broken foam blocks generated during sawing objects cannot fly to hands.
Optionally, a guard plate is further included, the guard plate being configured to cover a portion of the saw structure.
Because a large amount of spray fragments can be generated in the saw chain in the saw structure in the running process, the guard plate has the function of covering part of the saw chain, so that the spray fragments on the saw chain can not fly to eyes of a user, and a certain protection effect is achieved on the eyes of the user.
Optionally, the device further comprises a battery, wherein the battery is mounted on one mounting end of the handle in a slot insertion mode.
Optionally, a clamping groove is formed in the handle, and the motor is clamped in the clamping groove.
Optionally, the electric motor is provided with a first control switch and a second control switch, wherein the first control switch and the second control switch are directly or indirectly arranged on the handle, and the handle is electrically connected with the electric motor.
The first control switch and the second control switch are arranged to play a double-safety role, and the motor can work only after the first control switch and the second control switch are turned on, so that the safety coefficient is higher.
The beneficial effects of the invention are as follows:
1. the motor is arranged in the handle, so that a user can indirectly hold the motor in the palm of the hand when using the device, the handle of the device can be used by holding the device with one hand, and the whole device is kept stable in the working process;
2. can play a good role in protecting eyes and hands of a user;
3. the whole gravity center is positioned in the grip, and when the grip is held by the hand, the gravity center of the whole device is directly held, so that the whole device is more stable in working.
Description of the drawings:
FIG. 1 is a schematic block diagram of a hand-held electric chain saw;
FIG. 2 is a schematic diagram of the positional relationship of the motor and grip;
FIG. 3 is a schematic diagram of a saw structure;
fig. 4 is a schematic and schematic view of the structure of the mounting case.
The reference numerals in the drawings are as follows: 1. backplate, 2, adjust knob, 3, connecting seat, 4, handle, 401, draw-in groove, 5, battery, 6, link joint, 601, removal slide, 7, baffle, 801, first control switch, 802, second control switch, 9, prevent strip, 1001, box body, 1002, lid, 11, sprocket, 12, bearing, 13, worm, 14, transition sleeve, 15, motor, 16, universal driving shaft, 17, worm wheel.
The specific embodiment is as follows:
the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, a handheld electric chain saw comprises a handle 4 and a motor 15, wherein the handle 4 is an internal hollow handle 4, two mounting ends are arranged on the handle 4, the motor 15 is fixedly arranged in the handle 4, a rotating shaft of the motor 15 points to one mounting end of the handle 4, and the two mounting ends of the handle 4 are respectively used for mounting a battery 5 and a saw structure.
In the device, the motor 15 is arranged in the grip 4, when the grip 4 is held by hand, the motor 15 is held in the palm, so that when the shaft of the motor 15 rotates, the shaft of the motor 15 rotates in the palm, tremble can be generated in the working process of the motor 15, and the motor 15 trembles in the palm due to the fact that the motor 15 is held in the palm, the whole grip 4 can be kept stable due to the holding effect of the hand, tremble and shake cannot occur, and the grip 4 can be held by a single hand. Meanwhile, the motor 15 is the heaviest part in the whole device, and the motor 15 is arranged on the handle 4, which is equivalent to that the gravity center of the whole device is positioned on the handle 4, and the gravity center of the whole device is directly held by hands, so that the whole device is more stable in the working process.
The motor 15 is arranged in the handle 4, so that a user can indirectly hold the motor 15 in the palm of the hand when using the device, the handle 4 of the device can be used by holding the device with one hand, and the whole device is kept stable in the working process.
As shown in fig. 1, 2, 3 and 4, the hand grip further comprises a saw structure which is mounted on one mounting end of the grip 4.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the saw structure comprises a saw chain, a chain wheel 11 and a chain plate 6, wherein the chain wheel 11 is directly or indirectly rotatably arranged on the handle 4, the chain plate 6 is directly or indirectly fixed on the handle 4, and the saw chain is arranged on the chain wheel 11 and the chain plate 6.
Referring to fig. 2 and 3, a connecting seat 3 is mounted at one end of a handle 4, the connecting seat 3 is formed by splicing two plates, the sprocket 11 is mounted on an outer wall surface of a box body 1001, a worm wheel 17 is rotatably mounted in a space formed by the box body 1001 and a box cover 1002, the sprocket 11 and the worm wheel 17 are in linkage through a linkage shaft 16, and a bearing 12 is rotatably sleeved on the outer wall surface of the linkage shaft 16.
The specific case 1001 is detachably mounted on the connection base 3.
The chain wheel 11 is fixedly arranged on the box 1001 in a rotating way, the chain plate 6 is movably fixed on the mounting seat through the adjusting knob 2, and the distance between the chain plate 6 and the chain wheel 11 can be adjusted so as to adapt to the tightness change of the saw chain; when the adjusting knob 2 is unscrewed, the moving slideway 601 on the chain plate 6 can realize that the chain plate 6 is moved without disassembling the adjusting knob 2, and when the adjusting chain plate 6 is in place, the adjusting knob 2 is screwed.
The saw chain in the scheme belongs to a common structure, and the saw chain is not shown in fig. 1, fig. 2, fig. 3 and fig. 4.
As shown in fig. 1, 2, 3 and 4, the motor 15 and the sprocket 11 are linked through a gear or worm wheel 17 and a worm 13.
The worm 13 is connected with the shaft of the motor 15 through a transition sleeve 14, the outer wall of the transition sleeve 14 is sleeved with a bearing 12, and the worm 13 is also sleeved with the bearing 12. A bearing 12 is provided between the worm 13 and the grip 4, and a bearing 12 is also provided between the worm 13 and the case 1001 and cover 1002.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the motor 15 and the sprocket 11 are linked through the worm wheel 17 and the worm 13, the worm 13 is arranged on the shaft of the motor 15, the worm shaft is rotatably arranged on the handle 4, the worm wheel 17 and the worm 13 are meshed together, and the sprocket 11 and the worm wheel 17 are directly or indirectly linked together.
As shown in fig. 1, 2, 3 and 4, the handle further comprises a baffle 7, wherein the baffle 7 is mounted on the handle 4, and two ends of the baffle 7 are respectively matched with two mounting ends of the handle 4 directly or indirectly.
One end of the baffle 7 is fixedly matched with the handle 4, and the other end of the baffle 7 is fixedly matched with the connecting seat 3.
The baffle 7 plays a role in protecting hands, so that broken foam blocks generated during sawing things cannot fly to hands.
As shown in fig. 1, 2, 3 and 4, the saw further comprises a guard plate 1, wherein the guard plate 1 is used for covering part of the saw structure.
The two sides of the concrete guard plate 1 are also provided with anti-theft strips 9, and the anti-theft strips 9 are arranged on the connecting seat 3.
Because a large number of spray fragments can be generated in the saw chain in the saw structure during operation, the guard plate 1 is used for covering part of the saw chain, so that the spray fragments on the saw chain cannot fly to eyes of a user, and a certain protection effect is achieved on the eyes of the user. The concrete guard plate 1 is detachably mounted on the connecting seat 3 through bolts or screws.
As shown in fig. 1, 2, 3 and 4, the portable electric power tool further comprises a battery 5, wherein the battery 5 is mounted on one mounting end of the grip 4 in a slot insertion mode.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, a clamping groove is formed in the grip 4, and the motor 15 is clamped in the clamping groove.
As shown in fig. 1, 2, 3 and 4, the electric motor 15 is further provided with a first control switch 801 and a second control switch 802, wherein the first control switch 801 and the second control switch 802 are directly or indirectly mounted on the handle 4, and the handle 4 is electrically connected with the electric motor 15.
The first control switch 801 and the second control switch 802 are provided to perform a double safety function, and the motor 15 can be operated only after the first control switch 801 and the second control switch 802 are turned on, so that the safety factor is higher.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover all equivalent structures as modifications within the scope of the invention, either directly or indirectly, as may be contemplated by the present invention.
Claims (5)
1. The handheld electric chain saw is characterized by comprising a handle and a motor, wherein the handle is a hollow handle, two mounting ends are arranged on the handle, the motor is fixedly arranged in the handle, a rotating shaft of the motor points to one mounting end of the handle, and the two mounting ends of the handle are respectively used for mounting a battery and a saw structure; the saw structure is arranged on one mounting end of the handle; the saw structure comprises a saw chain, a chain wheel and a chain plate, wherein the chain wheel is directly or indirectly rotatably arranged on the handle, the chain plate is directly or indirectly fixed on the handle, and the saw chain is arranged on the chain wheel and the chain plate; the motor and the chain wheel are linked through gears or worm gears; the motor is linked with the sprocket through a worm gear, the worm is arranged on a shaft of the motor, the worm gear is rotatably arranged on the handle, the worm gear is meshed with the worm, and the sprocket is directly or indirectly linked with the worm gear; the device also comprises a baffle plate, wherein the baffle plate is arranged on the handle, and two ends of the baffle plate are respectively matched with two mounting ends of the handle directly or indirectly; when holding the handle, the motor is held in the palm, and when the motor shaft rotates, the motor shaft rotates in the palm.
2. A hand held electric chain saw as in claim 1 further comprising a guard for covering a portion of the saw structure.
3. A hand held electric chain saw as in claim 1 further comprising a battery mounted to one mounting end of the handle by way of a slot.
4. A hand-held electric chain saw as in claim 1 wherein the grip has a snap groove disposed therein, the motor being snapped into the snap groove.
5. The electric hand-held chain saw of claim 1, further comprising a first control switch and a second control switch, wherein the first control switch and the second control switch are mounted directly or indirectly on a handle, and wherein the handle is electrically connected to the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910590973.8A CN110170702B (en) | 2019-07-02 | 2019-07-02 | Hand-held electric chain saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910590973.8A CN110170702B (en) | 2019-07-02 | 2019-07-02 | Hand-held electric chain saw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110170702A CN110170702A (en) | 2019-08-27 |
| CN110170702B true CN110170702B (en) | 2024-04-02 |
Family
ID=67699565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910590973.8A Active CN110170702B (en) | 2019-07-02 | 2019-07-02 | Hand-held electric chain saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110170702B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11472058B2 (en) * | 2019-11-25 | 2022-10-18 | Milwaukee Electric Tool Corporation | Powered handheld cutting tool |
| CN113246226B (en) * | 2021-05-02 | 2022-07-29 | 浙江嘉宏工具制造有限公司 | Lithium electric saw with chain capable of being rotationally adjusted in multiple dimensions |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102430810A (en) * | 2010-09-29 | 2012-05-02 | 苏州宝时得电动工具有限公司 | Chain saw with saw chain tension device |
| CN206445755U (en) * | 2016-12-28 | 2017-08-29 | 浙江亚特电器有限公司 | A kind of multi-functional electric tools |
| CN207735686U (en) * | 2018-01-18 | 2018-08-17 | 杭州精锋园林工具有限公司 | A kind of detachable easy assembly chain saw chain |
| CN210498590U (en) * | 2019-07-02 | 2020-05-12 | 浙江嘉宏工具制造有限公司 | Hand-held electric chain saw |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2925384B1 (en) * | 2007-12-20 | 2011-11-18 | Pellenc Sa | PORTABLE ELECTRIC CHAIN SAW |
-
2019
- 2019-07-02 CN CN201910590973.8A patent/CN110170702B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102430810A (en) * | 2010-09-29 | 2012-05-02 | 苏州宝时得电动工具有限公司 | Chain saw with saw chain tension device |
| CN206445755U (en) * | 2016-12-28 | 2017-08-29 | 浙江亚特电器有限公司 | A kind of multi-functional electric tools |
| CN207735686U (en) * | 2018-01-18 | 2018-08-17 | 杭州精锋园林工具有限公司 | A kind of detachable easy assembly chain saw chain |
| CN210498590U (en) * | 2019-07-02 | 2020-05-12 | 浙江嘉宏工具制造有限公司 | Hand-held electric chain saw |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110170702A (en) | 2019-08-27 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210625 Address after: 321400 No.2, Xinzhong East Road, Xinbi street, Jinyun County, Lishui City, Zhejiang Province Applicant after: Zhejiang Jiahong Tool Manufacturing Co.,Ltd. Applicant after: Jiangsu Fanhua Imp. & Exp. Co.,Ltd. Address before: 321400 No.2, Xinzhong East Road, Xinbi street, Jinyun County, Lishui City, Zhejiang Province Applicant before: Zhejiang Jiahong Tool Manufacturing Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |