CN201586790U - Saw chain tension adjusting device - Google Patents
Saw chain tension adjusting device Download PDFInfo
- Publication number
- CN201586790U CN201586790U CN2009202934138U CN200920293413U CN201586790U CN 201586790 U CN201586790 U CN 201586790U CN 2009202934138 U CN2009202934138 U CN 2009202934138U CN 200920293413 U CN200920293413 U CN 200920293413U CN 201586790 U CN201586790 U CN 201586790U
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- China
- Prior art keywords
- adjusting
- guide pillar
- cover plate
- saw chain
- gear
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- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a saw chain tension adjusting device which comprises a machine case, a guide board, a cover plate an adjustment component and a compaction component; wherein, the guide board is arranged on the machine case in a slideable way, the adjustment component is arranged on the cover plate, the compaction component passes through and compacts the adjustment component, cover plate and guide board on the machine case and the adjustment component comprises a control hand wheel, a gear transmission train and an adjustment guide pillar; the control hand wheel is arranged on the cover plate in a rotatable way, the adjustment guide pillar is connected with the guide board and the control hand wheel is connected with the adjustment guide pillar by the gear transmission train in a driven way; after the control hand wheel is rotated, the rotary motion of the control hand wheel is transmitted and converted by the gear transmission train into the linear motion of the adjustment guide pillar in such a way as that in turn the adjustment guide pillar drives the guide board to move in a straight line. The saw chain tension adjusting device has high adjustment accuracy and long service life.
Description
Technical field:
The utility model relates to a kind of adjusting device of chain saw, particularly a kind of saw chain tensioning adjusting device.
Background technology:
In the prior art, chain saw as Chinese patent 200620123720.8 disclosed a kind of improvement, its saw chain tensioning adjusting device mainly is to adopt rotation hand wheel to drive the pinion rotation, drive tooth bar by pinion then and do rectilinear motion, and then do rectilinear motion by the rack drives guide plate, by guide plate saw chain is carried out tensioning, this adjusting device is simple and convenient when regulating, but, the tooth pitch of rack-and-pinion is bigger, adjusting handle drives the angle of a unit of the every rotation of pinion, and tooth bar will drive the displacement that guide plate produces big distance, though this has accelerated governing speed, but but reduced the precision of regulating, in addition, the back lash between the rack-and-pinion is bigger, after the tensioning, because the existence in this gap, it is loosening that certain front and back will appear in guide plate, and then make the field of conjugate action of rack-and-pinion be subjected to certain bump, quickened the damage of rack-and-pinion.
The utility model content:
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and the saw chain tensioning adjusting device of degree of regulation height and long service life is provided.
A kind of saw chain tensioning adjusting device that provides according to the utility model, comprise casing, guide plate, cover plate, adjusting part and holding down assembly, wherein, guide plate slidably is installed on the casing, adjusting part is installed on the cover board, hold down assembly and pass adjusting part, cover plate and guide plate also are pressed on it on casing, described adjusting part comprises adjusting handle, gear drive group and adjusting guide pillar, wherein, the rotatable installation of adjusting handle on the cover board, regulating guide pillar is connected with guide plate, be in transmission connection by the gear drive group between adjusting handle and the adjusting guide pillar, the rotation adjusting handle, it rotatablely moves through the transmission of gear drive group and converts the rectilinear motion of regulating guide pillar to, and then does rectilinear motion by regulating guide pillar drive guide plate.
The utility model also has following attached technical characterictic:
Described gear-driven assembly comprises and forms the first helical gear gear shaft and form the second helical gear adjusting screw mandrel, first, second helical gear engaged transmission, gear shaft is connected with described adjusting handle and can be with its synchronous rotation, described adjusting guide pillar is installed in by the feed screw nut and regulates on the screw mandrel, and can do straight line with the rotation of regulating screw mandrel and move.
Described adjusting handle comprises handwheel and the installation shaft that is fixed on the handwheel inner face, this installation shaft is passed and rotating being installed on the described cover plate, also circumferentially be evenly distributed with a plurality of steel balls hole on the handwheel inner face, have a spring eye with corresponding position, steel ball hole on the cover plate, spring and steel ball are installed in this spring eye, under the tension force effect of spring, half of steel ball is trapped in the spring eye, cooperates with the steel ball hole as another.
Have an adjustment hole on the described guide plate, described adjusting guide pillar end is plugged in the adjustment hole.
A kind of saw chain tensioning adjusting device that provides according to the utility model with respect to the advantage of prior art is:
In the utility model, earlier by adjusting handle driven gear axle and the rotation of first helical gear, drive second helical gear and regulate the screw mandrel rotation by first helical gear again, screw mandrel drives the feed screw nut and the adjusting guide pillar is done rectilinear motion by regulating then, do rectilinear motion by regulating guide pillar drive guide plate at last, reach the purpose of regulating the saw chain tensioning, in this structure, first, back lash between second helical gear directly is not reflected on the guide plate, and what influence guide plate is not had basically, regulates screw mandrel and feed screw nut's quality of fit height, the gap is little, loosening phenomenon can not appear in guide plate, has guaranteed to regulate screw mandrel and feed screw nut's service life, in addition, it is less to regulate screw mandrel and feed screw nut's pitch, the angle of a unit of the every rotation of adjusting handle, it is also less to drive the straight-line displacement that guide plate produced, and has improved degree of regulation.
Description of drawings:
Introduce the utility model in detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is a structural representation explosive view of the present utility model;
Fig. 2 is the utility model cover plate, adjusting part and the structural representation that holds down assembly;
Fig. 3 is the structural representation of first, second helical gear engagement in the utility model.
The specific embodiment:
Referring to figs. 1 through Fig. 3, a kind of saw chain tensioning adjusting device that provides according to the utility model, comprise casing 1, guide plate 2, cover plate 3, adjusting part 4 and hold down assembly 5, wherein, guide plate 2 slidably is installed on the casing 1, adjusting part 4 is installed on the cover plate 3, hold down assembly and 5 pass adjusting part 4, cover plate 3 and guide plate 2 also are pressed on it on casing 1, adjusting part 4 comprises adjusting handle 6, gear drive group 7 and adjusting guide pillar 51, wherein, adjusting handle 6 rotatable being installed on the cover plate 3, regulating guide pillar 51 is connected with guide plate 2, be in transmission connection by gear drive group 7 between adjusting handle 6 and the adjusting guide pillar 51, gear-driven assembly 7 comprises gear shaft 72 that forms first helical gear 71 and the adjusting screw mandrel 74 that forms second helical gear 73, first, second helical gear 71,73 engaged transmission, gear shaft 72 is connected with adjusting handle 6 and can be with its synchronous rotation, regulating guide pillar 51 is installed on the adjusting screw mandrel 74 by feed screw nut 52, and can do straight line with the rotation of regulating screw mandrel 74 and move, have an adjustment hole 21 on the guide plate 2, regulate guide pillar 51 ends and be plugged in the adjustment hole 21.
Adjusting handle 6 comprises handwheel 61 and the installation shaft 62 that is fixed on handwheel 61 inner faces, this installation shaft 62 is passed and rotating being installed on the cover plate 3, also circumferentially be evenly distributed with a plurality of steel balls hole 63 on handwheel 61 inner faces, have a spring eye 31 with 63 corresponding positions, steel ball hole on the cover plate 3, spring 32 and steel ball 33 are installed in this spring eye 31, under the tension force effect of spring 32, half of steel ball 33 is trapped in the spring eye 31, cooperate spring 32 as another with steel ball hole 63, being provided with of steel ball 33 and steel ball hole 63 is main in order to strengthen the self-lock ability of this tensioning adjusting device.
In sum, this tensioning adjusting device is when regulating, unclamp earlier and hold down assembly 5, the adjusting handle 6 that turns clockwise then, gear shaft 72, first helical gear 71 rotate thereupon, and drive second helical gear 73 and regulate screw mandrel 74 and rotate, feed screw nut 52 and regulate guide pillar 51 and do moving forward with the rotation of regulating screw mandrel 74,2 on guide plate moves forward with regulating guide pillar 51, and when guide plate 2 moved to the precalculated position, locking was opened to hold down assembly and 5 got final product.
The foregoing description is only for the usefulness that the utility model is described; and be not to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the situation that does not break away from spirit and scope of the present utility model; can also make various variations and modification; therefore all technical schemes that are equal to also belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.
Claims (4)
1. saw chain tensioning adjusting device, comprise casing (1), guide plate (2), cover plate (3), adjusting part (4) and hold down assembly (5), wherein, guide plate (2) slidably is installed on the casing (1), adjusting part (4) is installed on the cover plate (3), hold down assembly (5) pass adjusting part (4), cover plate (3) and guide plate (2) also are pressed on it on casing (1), it is characterized in that: described adjusting part (4) comprises adjusting handle (6), gear drive group (7) and adjusting guide pillar (51), wherein, adjusting handle (6) is rotatable to be installed on the cover plate (3), regulating guide pillar (51) is connected with guide plate (2), be in transmission connection by gear drive group (7) between adjusting handle (6) and the adjusting guide pillar (51), rotation adjusting handle (6), it rotatablely moves through (7) transmission of gear drive group and converts the rectilinear motion of regulating guide pillar (51) to, and then does rectilinear motion by regulating guide pillar (51) drive guide plate (2).
2. a kind of saw chain tensioning adjusting device as claimed in claim 1, it is characterized in that: described gear-driven assembly (7) comprises gear shaft (72) that forms first helical gear (71) and the adjusting screw mandrel (74) that forms second helical gear (73), first, second helical gear (71,73) engaged transmission, gear shaft (72) is connected with described adjusting handle (6) and can be with its synchronous rotation, described adjusting guide pillar (51) is installed in by feed screw nut (52) and regulates on the screw mandrel (74), and can do straight line with the rotation of regulating screw mandrel (74) and move.
3. a kind of saw chain tensioning adjusting device as claimed in claim 2, it is characterized in that: described adjusting handle (6) comprises handwheel (61) and is fixed on installation shaft (62) on handwheel (61) inner face, this installation shaft (62) is passed and rotating being installed on the described cover plate (3), also circumferentially be evenly distributed with a plurality of steel balls hole (63) on handwheel (61) inner face, cover plate (3) is gone up and corresponding position, steel ball hole (63) has a spring eye (31), spring (32) and steel ball (33) are installed in this spring eye (31), under the tension force effect of spring (32), half of steel ball (33) is trapped in the spring eye (31), cooperates with steel ball hole (63) as another.
4. a kind of saw chain tensioning adjusting device as claimed in claim 3 is characterized in that: have an adjustment hole (21) on the described guide plate (2), described adjusting guide pillar (51) end is plugged in the adjustment hole (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202934138U CN201586790U (en) | 2009-12-16 | 2009-12-16 | Saw chain tension adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202934138U CN201586790U (en) | 2009-12-16 | 2009-12-16 | Saw chain tension adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201586790U true CN201586790U (en) | 2010-09-22 |
Family
ID=42746557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202934138U Expired - Lifetime CN201586790U (en) | 2009-12-16 | 2009-12-16 | Saw chain tension adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201586790U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102145411A (en) * | 2011-02-23 | 2011-08-10 | 浙江亚特电器有限公司 | Improved chain plate mounting structure of electric chain saw |
| CN102284745A (en) * | 2011-08-15 | 2011-12-21 | 浙江格瑞斯实业有限公司 | Chain saw |
| CN102562976A (en) * | 2012-01-06 | 2012-07-11 | 浙江亚特电器有限公司 | Chain tensioning mechanism of lopper saw |
| CN102615676A (en) * | 2012-01-13 | 2012-08-01 | 嘉兴善拓机械有限公司 | Automatic pre-tightening chain saw guide plate with replaceable head |
| WO2012144942A1 (en) * | 2011-04-21 | 2012-10-26 | Husqvarna Ab | A clamping assembly for a chainsaw |
| CN103121130A (en) * | 2013-01-30 | 2013-05-29 | 浙江亚特电器有限公司 | Electric chain saw chain elasticity adjusting device |
| CN104070563A (en) * | 2013-03-29 | 2014-10-01 | 株式会社牧田 | Chain tension adjusting apparatus for chain saw |
| CN104114340A (en) * | 2012-03-14 | 2014-10-22 | 日立工机株式会社 | Chain saw with saw chain tensioning device |
| CN105459213A (en) * | 2016-01-13 | 2016-04-06 | 大连丰和金瑞设备制造有限公司 | Numerically controlled all-specification continuous cutting machine |
| CN106378828A (en) * | 2016-11-17 | 2017-02-08 | 舒华勇 | Electric chain saw capable of automatically adjusting tightness of chain |
| CN107234674A (en) * | 2017-06-27 | 2017-10-10 | 浙江亚特电器有限公司 | A kind of electric chain saw |
| CN113146750A (en) * | 2021-04-13 | 2021-07-23 | 浙江亚特电器有限公司 | Chain saw |
-
2009
- 2009-12-16 CN CN2009202934138U patent/CN201586790U/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102145411B (en) * | 2011-02-23 | 2013-10-09 | 浙江亚特电器有限公司 | Improved chain plate mounting structure of electric chain saw |
| CN102145411A (en) * | 2011-02-23 | 2011-08-10 | 浙江亚特电器有限公司 | Improved chain plate mounting structure of electric chain saw |
| WO2012144942A1 (en) * | 2011-04-21 | 2012-10-26 | Husqvarna Ab | A clamping assembly for a chainsaw |
| CN102284745A (en) * | 2011-08-15 | 2011-12-21 | 浙江格瑞斯实业有限公司 | Chain saw |
| CN102562976A (en) * | 2012-01-06 | 2012-07-11 | 浙江亚特电器有限公司 | Chain tensioning mechanism of lopper saw |
| CN102615676A (en) * | 2012-01-13 | 2012-08-01 | 嘉兴善拓机械有限公司 | Automatic pre-tightening chain saw guide plate with replaceable head |
| CN104114340A (en) * | 2012-03-14 | 2014-10-22 | 日立工机株式会社 | Chain saw with saw chain tensioning device |
| CN104114340B (en) * | 2012-03-14 | 2016-08-24 | 日立工机株式会社 | Chain saw |
| CN103121130A (en) * | 2013-01-30 | 2013-05-29 | 浙江亚特电器有限公司 | Electric chain saw chain elasticity adjusting device |
| CN103121130B (en) * | 2013-01-30 | 2016-01-20 | 浙江亚特电器有限公司 | Electric chain saw chain slack adjuster |
| CN104070563A (en) * | 2013-03-29 | 2014-10-01 | 株式会社牧田 | Chain tension adjusting apparatus for chain saw |
| CN105459213A (en) * | 2016-01-13 | 2016-04-06 | 大连丰和金瑞设备制造有限公司 | Numerically controlled all-specification continuous cutting machine |
| CN106378828A (en) * | 2016-11-17 | 2017-02-08 | 舒华勇 | Electric chain saw capable of automatically adjusting tightness of chain |
| CN107234674A (en) * | 2017-06-27 | 2017-10-10 | 浙江亚特电器有限公司 | A kind of electric chain saw |
| CN113146750A (en) * | 2021-04-13 | 2021-07-23 | 浙江亚特电器有限公司 | Chain saw |
| CN113146750B (en) * | 2021-04-13 | 2023-08-18 | 浙江亚特电器股份有限公司 | Chain saw |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG SAFUN INDUSTRIAL CO., LTD. Free format text: FORMER OWNER: ZHEJIANG SAFUN TOOLS MANUFACTURING CO., LTD. Effective date: 20110209 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110209 Address after: 7 No. 321300 Zhejiang city in Yongkang Province Economic Development Zone South Park Avenue Patentee after: Zhejiang Safun Industrial Co., Ltd. Address before: 7 No. 321300 Zhejiang city in Yongkang Province Economic Development Zone South Park Avenue Patentee before: Zhejiang Safun Tools Manufacture Co., Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Safun Tools Manufacture Co., Ltd. Assignor: Zhejiang Safun Industrial Co., Ltd. Contract record no.: 2011330001016 Denomination of utility model: Saw chain tension adjusting device Granted publication date: 20100922 License type: Exclusive License Record date: 20110724 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20100922 Effective date of abandoning: 20160315 |
|
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |