CN103223680B - Tightness adjusting mechanism for chain saw chain - Google Patents
Tightness adjusting mechanism for chain saw chain Download PDFInfo
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- CN103223680B CN103223680B CN201310120253.8A CN201310120253A CN103223680B CN 103223680 B CN103223680 B CN 103223680B CN 201310120253 A CN201310120253 A CN 201310120253A CN 103223680 B CN103223680 B CN 103223680B
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- tensioning shaft
- chain
- slide block
- tensioning
- mounting groove
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Abstract
The invention belongs to the technical field of chain saws, and relates to a tightness adjusting mechanism for a chain saw chain. A tensioning shaft mounting groove communicated with the side edge of a gear seat gland is formed in one side of the gear seat gland of the chain saw chain; the interior of the tensioning shaft mounting groove is connected with a tensioning shaft which can rotate, but cannot axially move; a sliding block capable of sliding on the tensioning shaft and a sliding block adjusting device are mounted on the tensioning shaft in a sleeving way; a tensioning pin which is perpendicular to the axial line of the sliding block and used for suspending a guide plate is arranged on the sliding block; and a tensioning shaft rotating part is arranged at the end part of the tensioning shaft extending out of the side edge of the gear seat gland. The tightness adjusting mechanism is simple in structure, small in occupied area, convenient to adjust and low in production and maintenance cost, has fewer accessories, and is suitable for various chain saws.
Description
Technical field
The invention belongs to chain saw technical field, refer in particular to a kind of tightness guiding mechanism of chain saw chain.
Background technology
Chain saw is the power saw in order to lumbering and producing material, and its saw cutting mechanism adopts saw chain structure, and power section is petrol engine or motor, and it is easy to carry, simple to operate.
201020659826.6 a number Chinese patent discloses one " chain saw ", its guide plate tightening regulator comprises: tensioning shaft, be threaded in the tension pin on tensioning shaft, be axially fixed in the tension pin driven gear on tensioning shaft, the tension pin idler gear be meshed with tension pin driven gear and the tension pin driving gear be meshed with tension pin idler gear, it is peripheral that this tension pin driving gear is arranged on chain saw right cap, its weak point is: tensioning shaft passes through driven gear, idler gear and driving gear transmission drive it to rotate, its complex structure, produce and maintenance cost high.
201220239621.1 a number Chinese patent discloses one " a kind of chain saw cut-off machine chain wheel tension mechanism ", comprise and be arranged on drive sprocket on fuselage and driven sprocket, described drive sprocket is connected through chain drive with between driven sprocket, the middle part of described chain is provided with regulating wheel, regulating wheel is arranged on one end of adjustable plate, the other end of described adjustable plate is arranged on fuselage through positioning screw is rotating, the middle part of described adjustable plate offers mounting hole, run through in mounting hole and be provided with lock-screw, described adjustable plate is fixed on fuselage through lock-screw by braking vane, the one end of described adjustable plate being installed regulating wheel is connected on fuselage through extension spring, the weak point of this structure is complex structure equally, produce and maintenance cost high.
Summary of the invention
The object of this invention is to provide a kind of structure simple, produce and the tightness guiding mechanism of chain saw chain that maintenance cost is low.
The object of the present invention is achieved like this:
A kind of tightness guiding mechanism of chain saw chain, the tensioning shaft mounting groove of through pinion stand gland side is provided with in the side of the pinion stand gland of chain saw chain, rotatable but the tensioning shaft that can not move axially is connected with in tensioning shaft mounting groove, tensioning shaft is set with the slide block adjustment device that can slide on tensioning shaft, the concrete structure of described slide block adjustment device is: slide block tensioning shaft being set with spring and can sliding on tensioning shaft, one end of spring is fixed on slide block, the other end is screwed onto in the helicla flute on tensioning shaft, the rotating band of tensioning shaft is moved the movement of spring in helicla flute and then drive slide block to slide on tensioning shaft, slide block is provided with perpendicular to slide block axis for hanging the tension pin of guide plate, the end of stretching out the tensioning shaft of pinion stand gland side is provided with tensioning shaft rotation section.
The concrete structure of above-mentioned tensioning shaft is: be disposed with necking segment at the side of a rod member to opposite side, locating groove that external spiral groove section, the light section of doing, two bulge loops are formed and tensioning shaft rotation section.
The concrete structure of above-mentioned tensioning shaft rotation section is: the cylinder of the groove or tensioning shaft rotation section that the end face of tensioning shaft rotation section are provided with between two parties lateral direction penetrating is multiprism.
The concrete structure of above-mentioned tensioning shaft mounting groove is: the inner end panel of bar-shaped trough is provided with the supported hole that can insert tensioning shaft, the arranged outside of bar-shaped trough has the C type snap ring of axial location tensioning shaft, the necking segment of the rod member of tensioning shaft stretches in described supported hole, and described C type snap ring is connected in the locating groove of the rod member of tensioning shaft.
Above-mentioned tensioning shaft mounting groove be spirally connected or be connected with cover plate, cover plate being provided with the bar hole being greater than the removable length of tension pin, described tension pin is stretched out outside bar hole.
The present invention gives prominence to compared to existing technology and useful technique effect is:
The slide block that tensioning shaft of the present invention is set with is fixedly connected with tension pin, spring is connected with between tensioning shaft and slide block, rotate tensioning shaft namely to move axially by the tension pin on spring band movable slider and slide block, and then the positive progress of adjustment chain, its adjustment component only has tensioning shaft, slide block and spring, structure of the present invention is simple, accessory is few, occupies little space, easy to adjust, produce and maintenance cost low, be applicable to the tightness guiding mechanism various types of chain saw being made chain saw chain.
Accompanying drawing explanation
Fig. 1 is schematic perspective view of the present invention.
Fig. 2 is sectional view of the present invention.
Fig. 3 is the schematic perspective view after the present invention removes cover plate.
Fig. 4 is the bonding state schematic diagram of tensioning shaft of the present invention, slide block and spring.
Fig. 5 is the bonding state sectional view of tensioning shaft of the present invention, slide block and spring.
Fig. 6 is the sectional view of tensioning shaft of the present invention.
Fig. 7 is the heads schematic perspective view of cover plate of the present invention.
Fig. 8 is that supine schematic perspective view carried on the back by cover plate of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, with specific embodiment, the invention will be further described, see Fig. 1-Fig. 8:
A kind of tightness guiding mechanism of chain saw chain, the tensioning shaft mounting groove of through pinion stand gland 10 side is provided with in the side of the pinion stand gland 10 of chain saw chain, rotatable but the tensioning shaft 30 that can not move axially is connected with in tensioning shaft mounting groove, tensioning shaft 30 is set with the slide block adjustment device that can slide on tensioning shaft 30, the concrete structure of described slide block adjustment device is: the slide block 40 tensioning shaft 30 being set with spring 50 and can sliding on tensioning shaft 30, one end of spring 50 is fixed on slide block 40, the other end is screwed onto in the helicla flute 32 on tensioning shaft 30, the rotating band of tensioning shaft 30 move axially and then the be with movable slider 40 of spring 50 in helicla flute 32 of moving slides on tensioning shaft 30, slide block 40 is provided with perpendicular to slide block axis for hanging the tension pin 41 of guide plate, the end of stretching out the tensioning shaft 30 of pinion stand gland 10 side is provided with tensioning shaft rotation section.
The concrete structure of above-mentioned tensioning shaft 30 is: be disposed with necking segment A, external spiral groove section B at the side of a rod member to opposite side, locating groove 33 that the light section of doing C, two bulge loops 35 are formed and tensioning shaft rotation section 36.
The concrete structure of above-mentioned tensioning shaft rotation section 36 is: the end face of tensioning shaft rotation section 36 is provided with between two parties the groove 34 of lateral direction penetrating or the cylinder of tensioning shaft rotation section is multiprism, and the instrument such as screwdriver or spanner of being convenient to snaps in rear operation, and it rotates.
The concrete structure of above-mentioned tensioning shaft mounting groove is: the inner end panel 12 of bar-shaped trough 11 is provided with the supported hole 121 that can insert tensioning shaft 30, the arranged outside of bar-shaped trough 11 has the C type snap ring 13 of axial location tensioning shaft 30, the necking segment A of the rod member of tensioning shaft 30 stretches in described supported hole 121, and described C type snap ring 13 is connected in the locating groove 33 of the rod member of tensioning shaft 30.
Above-mentioned tensioning shaft mounting groove be spirally connected or be connected with cover plate 20, cover plate 20 being provided with the bar hole 21 being greater than the removable length of tension pin 41, described tension pin 41 is stretched out outside bar hole 21.
When the present invention uses, the tension pin 41 of invention is inserted on the connecting hole of chainsaw chain bar guide plate, rotating this instrument snap in groove 34 on the end face of tensioning shaft rotation section 36 or multiprism with the instrument such as screwdriver or spanner after drives tensioning shaft 30 to rotate, the rotating band of tensioning shaft 30 is moved one end moving axially in helicla flute 32 of spring 50, and then band movable slider 40 moving axially on tensioning shaft 30, moving axially of slide block 40 drives moving axially of chainsaw chain bar guide plate, and then have adjusted the distance be suspended between chain guide and driving wheel, also just have adjusted the tensioning tightness of the chain saw chain be sleeved on chain guide and driving wheel.
Above-described embodiment is only preferred embodiment of the present invention, not limits the scope of the invention according to this, therefore: all equivalence changes done according to structure of the present invention, shape, principle, all should be covered by within protection scope of the present invention.
Claims (2)
1. the tightness guiding mechanism of a chain saw chain, it is characterized in that: the tensioning shaft mounting groove being provided with through pinion stand gland side in the side of the pinion stand gland of chain saw chain, rotatable but the tensioning shaft that can not move axially is connected with in tensioning shaft mounting groove, tensioning shaft is set with the slide block adjustment device that can slide on tensioning shaft, the concrete structure of described slide block adjustment device is: slide block tensioning shaft being set with spring and can sliding on tensioning shaft, one end of spring is fixed on slide block, the other end is screwed onto in the helicla flute on tensioning shaft, the rotating band of tensioning shaft is moved the movement of spring in helicla flute and then drive slide block to slide on tensioning shaft, slide block is provided with perpendicular to slide block axis for hanging the tension pin of guide plate, the end of stretching out the tensioning shaft of pinion stand gland side is provided with tensioning shaft rotation section,
The concrete structure of described tensioning shaft is: be disposed with necking segment at the side of a rod member to opposite side, locating groove that external spiral groove section, the light section of doing, two bulge loops are formed and tensioning shaft rotation section;
The concrete structure of described tensioning shaft rotation section is: the cylinder of the groove or tensioning shaft rotation section that the end face of tensioning shaft rotation section are provided with between two parties lateral direction penetrating is multiprism;
The concrete structure of described tensioning shaft mounting groove is: the inner end panel of bar-shaped trough is provided with the supported hole that can insert tensioning shaft, the arranged outside of bar-shaped trough has the C type snap ring of axial location tensioning shaft, the necking segment of the rod member of tensioning shaft stretches in described supported hole, and described C type snap ring is connected in the locating groove of the rod member of tensioning shaft.
2. the tightness guiding mechanism of a kind of chain saw chain according to claim 1, it is characterized in that: described tensioning shaft mounting groove is spirally connected or is connected with cover plate, cover plate is provided with the bar hole being greater than the removable length of tension pin, described tension pin is stretched out outside bar hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310120253.8A CN103223680B (en) | 2013-04-08 | 2013-04-08 | Tightness adjusting mechanism for chain saw chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310120253.8A CN103223680B (en) | 2013-04-08 | 2013-04-08 | Tightness adjusting mechanism for chain saw chain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103223680A CN103223680A (en) | 2013-07-31 |
| CN103223680B true CN103223680B (en) | 2015-04-08 |
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ID=48834441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310120253.8A Active CN103223680B (en) | 2013-04-08 | 2013-04-08 | Tightness adjusting mechanism for chain saw chain |
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| Country | Link |
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| CN (1) | CN103223680B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106378828B (en) * | 2016-11-17 | 2019-06-04 | 舒华勇 | The elastic electric chain saw of chain can voluntarily be adjusted |
| CN106624150A (en) * | 2017-01-20 | 2017-05-10 | 浙江博大实业有限公司 | Electric chain saw |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3435859A (en) * | 1968-03-22 | 1969-04-01 | Charles M Walker | Chain saw attachment |
| CN1791496A (en) * | 2003-05-20 | 2006-06-21 | 小松赛诺尔株式会社 | Auto chain tensioner |
| CN1803357A (en) * | 2005-01-10 | 2006-07-19 | 伊莱克斯家用产品有限公司 | Chainsaw bar adjustment assembly with breakaway adjustment pin |
| CN201049405Y (en) * | 2006-12-18 | 2008-04-23 | 青岛金岭电器有限公司 | Band saw tensioning mechanism |
| CN203245945U (en) * | 2013-04-08 | 2013-10-23 | 浙江中马园林机器有限公司 | Mechanism for adjusting tightness coefficient of chain saw chain |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7185437B2 (en) * | 2002-11-15 | 2007-03-06 | Carlton Company | Chainsaw bar tensioning apparatus |
-
2013
- 2013-04-08 CN CN201310120253.8A patent/CN103223680B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3435859A (en) * | 1968-03-22 | 1969-04-01 | Charles M Walker | Chain saw attachment |
| CN1791496A (en) * | 2003-05-20 | 2006-06-21 | 小松赛诺尔株式会社 | Auto chain tensioner |
| CN100418713C (en) * | 2003-05-20 | 2008-09-17 | 富世华智诺株式会社 | Auto chain tensioner |
| CN1803357A (en) * | 2005-01-10 | 2006-07-19 | 伊莱克斯家用产品有限公司 | Chainsaw bar adjustment assembly with breakaway adjustment pin |
| CN201049405Y (en) * | 2006-12-18 | 2008-04-23 | 青岛金岭电器有限公司 | Band saw tensioning mechanism |
| CN203245945U (en) * | 2013-04-08 | 2013-10-23 | 浙江中马园林机器有限公司 | Mechanism for adjusting tightness coefficient of chain saw chain |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103223680A (en) | 2013-07-31 |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 317500, No. 48 Hu Hu Road, Taiping Street, Wenling, Zhejiang, Taizhou Applicant after: Zhong Ma gardens, Zhejiang machine limited company Address before: West Street Shanglin village Shanglin road Wenling city Taizhou city Zhejiang province 317500 No. 11 Applicant before: Zhejiang Zomax Garden Machinery Co., Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: ZHEJIANG ZOMAX GARDON MACHINERY CO., LTD. TO: ZHEJIANG ZOMAX GARDEN MACHINERY CO., LTD. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |