CN107008973B - Electric chain saw - Google Patents

Electric chain saw Download PDF

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Publication number
CN107008973B
CN107008973B CN201710427819.XA CN201710427819A CN107008973B CN 107008973 B CN107008973 B CN 107008973B CN 201710427819 A CN201710427819 A CN 201710427819A CN 107008973 B CN107008973 B CN 107008973B
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CN
China
Prior art keywords
heat dissipation
reduction gearbox
upper cover
dissipation groove
groove
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Application number
CN201710427819.XA
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Chinese (zh)
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CN107008973A (en
Inventor
应跟华
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Zhejiang Mutian Tools Co ltd
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Zhejiang Mutian Tools Co Ltd
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Priority to CN201710427819.XA priority Critical patent/CN107008973B/en
Publication of CN107008973A publication Critical patent/CN107008973A/en
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Publication of CN107008973B publication Critical patent/CN107008973B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D57/00Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00
    • B23D57/02Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00 with chain saws
    • B23D57/023Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00 with chain saws hand-held or hand-operated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D59/00Accessories specially designed for sawing machines or sawing devices
    • B23D59/006Accessories specially designed for sawing machines or sawing devices for removing or collecting chips
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/10Arrangements for cooling or lubricating tools or work
    • B23Q11/1092Arrangements for cooling or lubricating tools or work specially adapted for portable power-driven tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27BSAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B17/00Chain saws; Equipment therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/02Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
    • B28D1/08Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with saw-blades of endless cutter-type, e.g. chain saws, i.e. saw chains, strap saws

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Sawing (AREA)

Abstract

The present invention provides an electric chain saw comprising: the wind-guiding cover is arranged on the upper cover of the reduction box and is connected with the first heat-radiating opening; a first heat dissipation groove is formed in the upper cover of the reduction gearbox, a second heat dissipation groove correspondingly communicated with the first heat dissipation groove is formed in the lower cover of the reduction gearbox, and the second heat dissipation groove is located right above the saw blade; the wind scooper guides the airflow generated by the work of the heat dissipation fan in the motor assembly to the saw blade through the first heat dissipation groove and the second heat dissipation groove. The electric chain saw is simple in structure and good in heat dissipation effect, and meanwhile, impurity and debris on the saw blade can be blown off, so that the service life of the whole electric chain saw is prolonged.

Description

Electric chain saw
Technical Field
The invention relates to the technical field of electric tools, in particular to an electric chain saw.
Background
The electric saw, also known as a power saw, is a cutting tool which can be used for cutting wood, stone, steel and the like, and greatly saves the time and labor consumed by cutting materials. The saw blade of the electric saw is generally divided into a plurality of types, such as a round type, a strip type, a chain type and the like. Heat dissipation is always an important problem affecting the service life of the electric saw, and often the heat dissipation effect of a saw blade is not good, so that the machine is broken down, and the service life of the electric saw is reduced.
The electric chain saw is the instrument that people used often in the lumbering trade now, and people can use the quick hacking trees of electric chain saw, because the temperature of electric chain saw at the in-process saw blade of work can rise constantly, firstly like this scalds the people who uses the electric saw easily, in addition, along with the rising of temperature, the saw blade also can become more fragile, will reduce the life of saw blade, can cause the fracture of saw blade even.
Disclosure of Invention
Technical problem to be solved
The invention aims to solve the technical problem of providing an electric chain saw which is provided with a radiating groove directly arranged above a saw blade, a motor radiating port is directly connected with the radiating groove through a detachable wind scooper, the radiating effect is good, and the service life can be effectively prolonged.
(II) technical scheme
In order to solve the above technical problems, the present invention provides an electric chain saw, comprising: the wind-guiding cover is arranged on the upper cover of the reduction box and is connected with the first heat-radiating opening; a first heat dissipation groove is formed in the upper cover of the reduction gearbox, a second heat dissipation groove correspondingly communicated with the first heat dissipation groove is formed in the lower cover of the reduction gearbox, and the second heat dissipation groove is located right above the saw blade; the wind scooper guides the airflow generated by the work of the heat dissipation fan in the motor assembly to the saw blade through the first heat dissipation groove and the second heat dissipation groove. The structure is simple, the heat dissipation effect is good, and the service life of the electric chain saw is effectively prolonged; the application range is wide, only corresponding radiating grooves are required to be formed in the upper cover of the reduction gearbox and the lower cover of the reduction gearbox, the mounting hole position of the air guide cover is formed in the upper cover of the reduction gearbox, the air guide cover is detachable, when the air guide cover is detached, the first radiating hole is not communicated with the first radiating groove and the second radiating groove, an external radiating device can be mounted on the upper cover of the reduction gearbox to radiate the saw blade, and a user can select to mount the saw blade according to actual use needs.
Further, the arrangement direction of the first heat dissipation port is perpendicular to the second heat dissipation port.
Furthermore, the air guide cover is fixed right above the first heat dissipation groove, a first guide protruding part is arranged in the upper cover of the reduction gearbox, and the first heat dissipation groove is arranged on the first guide protruding part; the heat dissipation structure is characterized in that a second guide protruding portion is arranged in the lower cover of the reduction gearbox, the second heat dissipation groove is arranged on the second guide protruding portion, a positioning protruding portion is arranged on the second guide protruding portion, a positioning groove matched with the positioning protruding portion is arranged on the first guide protruding portion, the positioning groove is a rectangular groove, and through the matching of the positioning protruding portion and the positioning groove, the air leakage phenomenon between the first heat dissipation groove and the second heat dissipation groove is avoided, and the heat dissipation effect is improved.
Furthermore, a transmission shaft and a transmission gear are arranged between the reduction gearbox upper cover and the reduction gearbox lower cover, the transmission gear is arranged on the transmission shaft, and a motor shaft gear of the motor assembly is meshed with the transmission gear; one end of the transmission shaft is installed in the upper cover of the reduction gearbox through a first bearing, and the other end of the transmission shaft is installed in the lower cover of the reduction gearbox through a second bearing.
Further, install chain gear on the transmission shaft, chain gear connects the saw blade, motor shaft gear through with drive gear's meshing, with power take off to the epaxial chain gear of transmission, chain gear drives the saw blade carries out work.
Furthermore, a protective plate is arranged on the upper cover of the reduction gearbox.
(III) advantageous effects
According to the electric chain saw, the heat dissipation airflow generated by the motor assembly is transmitted to the saw blade through the air guide cover, the first heat dissipation groove and the second heat dissipation groove which are sequentially connected, and the second heat dissipation groove is located right above the saw blade, so that the whole structure is simple, the heat dissipation effect is good, impurity fragments on the saw blade can be blown off, the saw blade is prevented from being clamped effectively, and the service life of the whole structure is prolonged; the wind scooper is detachable, an external heat dissipation device can be arranged on the upper cover of the reduction gearbox to dissipate heat of the saw blade, and a user can conveniently select and install the wind scooper according to actual use requirements.
Drawings
FIG. 1 is a perspective view of an electric chain saw of the present invention;
FIG. 2 is an exploded view of the electric chain saw of the present invention;
FIG. 3 is an exploded view of the wind scooper portion of the electric chain saw of the present invention;
FIG. 4 is a schematic perspective view of the upper cover of the reduction box of the electric chain saw of the present invention;
FIG. 5 is a perspective view of a second heat sink portion of the electric chain saw of the present invention;
wherein: the structure comprises a shell 1, a motor component 2, a reduction gearbox upper cover 3, a reduction gearbox lower cover 4, an air guide cover 5, a saw blade 6, a first heat dissipation port 7, a second heat dissipation port 8, a first heat dissipation groove 9, a second heat dissipation groove 10, a first guide bulge 11, a second guide bulge 12, a positioning bulge 13, a positioning groove 14, a transmission shaft 15, a transmission gear 16, a motor shaft gear 17, a first bearing 18, a second bearing 19, a chain gear 20 and a protection plate 21.
Detailed Description
Referring to fig. 1 to 5, the present invention provides an electric chain saw including: the wind-guiding device comprises a shell 1, a motor component 2 arranged in the shell 1, a reduction gearbox upper cover 3, a reduction gearbox lower cover 4 connected with the reduction gearbox upper cover 3, a wind-guiding cover 5 and a saw blade 6, wherein the shell 1 is arranged on the reduction gearbox upper cover 3, the shell 1 is provided with a first heat-radiating opening 7 and a second heat-radiating opening 8, the wind-guiding cover 5 is in a corner shape, the wind-guiding cover 5 is arranged on the reduction gearbox upper cover 3, and the wind-guiding cover 5 is connected with the first heat-radiating opening 7; a first heat dissipation groove 9 is formed in the upper cover 3 of the reduction gearbox, a second heat dissipation groove 10 correspondingly communicated with the first heat dissipation groove 9 is formed in the lower cover 4 of the reduction gearbox, and the second heat dissipation groove 10 is located right above the saw blade 6; the air guiding cover 5 guides air flow generated by the work of the heat dissipation fan in the motor component 2 to the saw blade 6 through the first heat dissipation groove 9 and the second heat dissipation groove 10, and the arrangement position of the heat dissipation fan of the motor component 2 corresponds to the positions of the first heat dissipation opening 7 and the second heat dissipation opening 8. The structure is simple, the heat dissipation effect is good, and the service life of the electric chain saw is effectively prolonged; the application range is wide, only corresponding radiating grooves are required to be formed in the reduction gearbox upper cover 3 and the reduction gearbox lower cover 4, the installation hole position of the air guide cover 5 is formed in the reduction gearbox upper cover 3, the modification is convenient, the air guide cover 5 is detachable, and when the air guide cover 5 is detached, the first radiating hole 7 is not communicated with the first radiating groove 9 and the second radiating groove 10. At the moment, an external heat dissipation device can be arranged on the upper cover 3 of the reduction gearbox to dissipate heat of the saw blade 6, so that a user can select and install the saw blade according to actual use requirements
Referring to fig. 1, the first heat dissipation opening 7 is disposed perpendicular to the second heat dissipation opening 8.
Referring to fig. 3 and 4, the air guiding cover 5 is fixed right above the first heat dissipating groove 9, a first guiding protrusion 11 is arranged in the reduction gearbox upper cover 3, and the first heat dissipating groove 9 is arranged on the first guiding protrusion 11; be provided with second guide protrusion 12 in the reducing gear box lower cover 4, second radiating groove 10 sets up on second guide protrusion 12, is provided with location bellying 13 on the second guide protrusion 12, is provided with on the first guide protrusion 11 with location bellying 13 matched with positioning groove 14, cooperatees through positioning protrusion 13 and positioning groove 14, ensures that can not produce the phenomenon of leaking out between first radiating groove 9 and the second radiating groove 10, improves the radiating effect.
Referring to fig. 2, a transmission shaft 15 and a transmission gear 16 are arranged between the reduction gearbox upper cover 3 and the reduction gearbox lower cover 4, the transmission gear 16 is arranged on the transmission shaft 15, and a motor shaft gear 17 of the motor assembly 2 is meshed with the transmission gear 16; one end of the transmission shaft 15 is arranged in the upper cover 3 of the reduction gearbox through a first bearing 18, and the other end is arranged in the lower cover 4 of the reduction gearbox through a second bearing 19.
Referring to fig. 2 and 5, a chain gear 20 is mounted on the transmission shaft 15, the chain gear 20 is connected to the saw blade 6, the motor shaft gear 17 outputs power to the chain gear 20 on the transmission shaft 15 through meshing with the transmission gear 16, and the chain gear 20 drives the saw blade 6 to work.
Referring to fig. 1 and 2, a protective plate 21 is mounted on the reduction gearbox upper cover 3.
The heat dissipation airflow generated by the motor assembly of the electric chain saw is transmitted to the saw blade through the air guide cover, the first heat dissipation groove and the second heat dissipation groove which are sequentially connected, and the second heat dissipation groove is located right above the saw blade, so that the whole structure is simple, the heat dissipation effect is good, impurity fragments on the saw blade can be blown off, the saw blade is prevented from being clamped effectively, and the service life of the whole structure is prolonged; the wind scooper is detachable, an external heat dissipation device can be arranged on the upper cover of the reduction gearbox to dissipate heat of the saw blade, and a user can conveniently select and install the wind scooper according to actual use requirements.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (6)

1. An electric chain saw, comprising: the wind power generation device comprises a shell (1), a motor component (2) arranged in the shell (1), a reduction gearbox upper cover (3), a reduction gearbox lower cover (4) connected with the reduction gearbox upper cover (3), a wind scooper (5) and a saw blade (6), wherein the shell (1) is arranged on the reduction gearbox upper cover (3), the shell (1) is provided with a first heat dissipation port (7) and a second heat dissipation port (8), the wind scooper (5) is in a corner shape, the wind scooper (5) is detachably arranged on the reduction gearbox upper cover (3), and the wind scooper (5) is connected with the first heat dissipation port (7); a first heat dissipation groove (9) is formed in the upper cover (3) of the reduction gearbox, a second heat dissipation groove (10) correspondingly communicated with the first heat dissipation groove (9) is formed in the lower cover (4) of the reduction gearbox, and the second heat dissipation groove (10) is located right above the saw blade (6); the air guide cover (5) guides air flow generated by the operation of the motor component (2) to the saw blade (6) through the first heat dissipation groove (9) and the second heat dissipation groove (10).
2. The electric chain saw according to claim 1, wherein the first heat dissipation opening (7) is arranged in a direction perpendicular to the second heat dissipation opening (8).
3. The electric chain saw as recited in claim 1, wherein the wind scooper (5) is fixed right above the first heat dissipation groove (9), a first guide protrusion (11) is provided in the reduction box upper cover (3), and the first heat dissipation groove (9) is provided on the first guide protrusion (11); the reduction gearbox lower cover (4) is internally provided with a second guide boss (12), the second heat dissipation groove (10) is arranged on the second guide boss (12), the second guide boss (12) is provided with a positioning boss (13), and the first guide boss (11) is provided with a positioning groove (14) matched with the positioning boss (13).
4. The electric chain saw as recited in claim 1, wherein a transmission shaft (15) and a transmission gear (16) are installed between the reduction box upper cover (3) and the reduction box lower cover (4), the transmission gear (16) is installed on the transmission shaft (15), and a motor shaft gear (17) of the motor assembly (2) is engaged with the transmission gear (16); one end of the transmission shaft (15) is installed in the reduction gearbox upper cover (3) through a first bearing (18), and the other end of the transmission shaft is installed in the reduction gearbox lower cover (4) through a second bearing (19).
5. An electric chain saw as in claim 4, wherein a chain gear (20) is mounted on the drive shaft (15), the chain gear (20) being connected to the saw blade (6).
6. The electric chain saw as recited in any of claims 1 to 5, wherein a guard plate (21) is mounted on the reduction box upper cover (3).
CN201710427819.XA 2017-06-08 2017-06-08 Electric chain saw Active CN107008973B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710427819.XA CN107008973B (en) 2017-06-08 2017-06-08 Electric chain saw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710427819.XA CN107008973B (en) 2017-06-08 2017-06-08 Electric chain saw

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CN107008973A CN107008973A (en) 2017-08-04
CN107008973B true CN107008973B (en) 2020-02-21

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3489481B1 (en) * 2017-11-23 2020-05-13 Andreas Stihl AG & Co. KG Manually operated work device
CN112602555A (en) * 2020-12-11 2021-04-06 芜湖精锋园林机械科技有限公司 Loading attachment is used in equipment of electric saw chain

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002210705A (en) * 2001-01-19 2002-07-30 Ryobi Ltd Chain saw
CN105475090A (en) * 2016-01-07 2016-04-13 成都格瑞思文化传播有限公司 Garden chain saw
CN205798591U (en) * 2016-07-29 2016-12-14 应跟华 The electric chain saw of good heat dissipation effect
CN205853115U (en) * 2016-06-30 2017-01-04 南京德朔实业有限公司 Cutting tool
CN205989087U (en) * 2016-09-12 2017-03-01 李路鹏 A kind of electric saw being easy to sawtooth radiating
CN206764023U (en) * 2017-06-08 2017-12-19 应跟华 A kind of electric chain saw

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002210705A (en) * 2001-01-19 2002-07-30 Ryobi Ltd Chain saw
CN105475090A (en) * 2016-01-07 2016-04-13 成都格瑞思文化传播有限公司 Garden chain saw
CN205853115U (en) * 2016-06-30 2017-01-04 南京德朔实业有限公司 Cutting tool
CN205798591U (en) * 2016-07-29 2016-12-14 应跟华 The electric chain saw of good heat dissipation effect
CN205989087U (en) * 2016-09-12 2017-03-01 李路鹏 A kind of electric saw being easy to sawtooth radiating
CN206764023U (en) * 2017-06-08 2017-12-19 应跟华 A kind of electric chain saw

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PB01 Publication
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SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20181220

Address after: 321302 Huang Yuan village, Hua Street Town, Yongkang, Zhejiang

Applicant after: ZHEJIANG MUTIAN TOOLS Co.,Ltd.

Address before: 321300 No. 1, 12 Blocks, Hedong Road, Dongcheng Street, Yongkang City, Jinhua City, Zhejiang Province

Applicant before: Ying Genhua

TA01 Transfer of patent application right
CB02 Change of applicant information

Address after: 321300 Zhejiang city of Jinhua province Yongkang City Hua Jie Zhen Huang Yuan Cun

Applicant after: Zhejiang Mutian Tools Co.,Ltd.

Address before: 321302 Huangyuan Village, Huajie Town, Yongkang City, Zhejiang Province

Applicant before: ZHEJIANG MUTIAN TOOLS Co.,Ltd.

CB02 Change of applicant information
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: An electric chain saw

Granted publication date: 20200221

Pledgee: Yongkang Branch of China Construction Bank Co.,Ltd.

Pledgor: Zhejiang Mutian Tools Co.,Ltd.

Registration number: Y2024980009003

PE01 Entry into force of the registration of the contract for pledge of patent right