CN204546695U - Chain saw - Google Patents
Chain saw Download PDFInfo
- Publication number
- CN204546695U CN204546695U CN201520220993.3U CN201520220993U CN204546695U CN 204546695 U CN204546695 U CN 204546695U CN 201520220993 U CN201520220993 U CN 201520220993U CN 204546695 U CN204546695 U CN 204546695U
- Authority
- CN
- China
- Prior art keywords
- wheel cover
- chain
- chain wheel
- felling
- dog
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B17/00—Chain saws; Equipment therefor
- B27B17/02—Chain saws equipped with guide bar
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B17/00—Chain saws; Equipment therefor
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Sawing (AREA)
Abstract
The utility model provides a kind of chain saw that felling dog can be installed on simply chainsaw chain wheel cover.Chain saw (10) comprising: chain wheel cover (16), and it covers base end part and the sprocket wheel (13) of guide plate (14) at the sidepiece being built-in with the housing of prime mover (12) (11); And felling dog (20), it is installed on the outer peripheral face of chain wheel cover (16); Felling dog (20) comprising: tabular nail (21), and it is fixed on the outer peripheral face of chain wheel cover (16) and has multiple forwards outstanding claw (21a) in leading section; And clamping part (22), it extends out from tabular nail (21) to the inside via the front openings (16a) of chain wheel cover (16), and follows closely clamping chain wheel cover (16) together with (21) with tabular.
Description
Technical field
The utility model relates to a kind of chain saw, relates to a kind of chain saw having installed felling dog (spikebumper) on chain wheel cover.
Background technology
Patent Document 1 discloses a kind of chain saw, this chain saw comprises: housing, and it is built-in with prime mover; Sprocket wheel, it is located at the sidepiece of housing in the mode that can rotate; Guide plate, its right side at housing is forwards projecting; Saw chain, its tenter is between sprocket wheel and the periphery of guide plate; Chain wheel cover, it covers base end part and the sprocket wheel of guide plate; And felling dog, it is installed on the outer peripheral face of chain wheel cover.In this chain saw, under the effect of the sprocket wheel be driven in rotation in the driving due to prime mover, saw chain rotates between sprocket wheel and the periphery of guide plate, by the saw chain of rotation by being pressed on the timber such as round log, is cut off by timber.
In the chain saw of patent document 1, two studs outstanding to horizontal right are provided with in the right side of housing, these studs are made to run through the installing hole of the base end part of guide plate, the installing hole of chain wheel cover and the installing hole of felling dog, from the outside of chain wheel cover by the top ends of fastening nuts in stud, thus secure guide plate, chain wheel cover and felling dog relative to housing.
Prior art document
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2010-149462 publication
Utility model content
The problem that utility model will solve
In the chain saw of patent document 1, when cutting off the thicker timber as round log, using the felling dog being located at the front portion of housing, but when carrying out branch pruning operation, need not felling dog be used.When branch pruning operation, if felling dog is forwards given prominence to, then felling dog blocks branch and causes operability to be deteriorated.Therefore, when not carrying out branch pruning operation, unload felling dog from the front portion of housing, operability is improved.
In the chain saw of patent document 1, in order to dismounting felling dog, must from the top ends dismounting nut of stud being provided with guide plate and chain wheel cover together with felling dog.But because saw chain rotates in the periphery of guide plate, therefore need in advance guide plate to be firmly fixed at housing, the way of dismounting yet for the nut of resting guide is not preferred continually.In addition, have vibration when saw chain rotates and be delivered to stud from guide plate, therefore have the hidden danger that the nut that is anchored on stud is lax because of vibration, need in advance nut to be fixedly secured to stud.Therefore, when dismounting felling dog continually, nut is fixedly secured to stud or makes the lax operation of the nut of secure become trouble.
Corresponding, if use the bolt different from above-mentioned stud that felling dog is fixed on chain wheel cover, then need not firmly fix bolt especially when dismounting felling dog.But the operation gripping felling dog fastening bolt comparatively bothers, expect simply felling dog to be installed.The purpose of this utility model is felling dog to be installed on chain wheel cover simply.
For the scheme of dealing with problems
In order to solve the problem, the utility model provides a kind of chain saw, and preferably, this chain saw comprises: housing, and it is built-in with prime mover; Sprocket wheel, it is located at the sidepiece of housing in the mode that can rotate, and is rotated by prime mover driven; Guide plate, its sidepiece at housing is forwards projecting; Saw chain, its tenter is between sprocket wheel and the periphery of guide plate; Chain wheel cover, its sidepiece at housing covers base end part and the sprocket wheel of guide plate, and guide plate is forwards given prominence to from front openings; And felling dog, it is installed on the outer peripheral face of chain wheel cover, and felling dog comprises: tabular nail (spike), and it is fixed on the outer peripheral face of chain wheel cover and has multiple forwards outstanding claw in leading section; And clamping part, its front openings of following closely via chain wheel cover from tabular extends out to the inside, and clamping chain wheel cover together with following closely with tabular.
In the chain saw formed as mentioned above, because felling dog comprises: tabular is followed closely, it is fixed on the outer peripheral face of chain wheel cover and has multiple forwards outstanding claw in leading section; And clamping part, its front openings of following closely via chain wheel cover from tabular extends out to the inside, and clamping chain wheel cover together with following closely with tabular, therefore when carrying out the operation of felling dog being fixed on chain wheel cover, by utilizing tabular to follow closely and clamping part clamping chain wheel cover, felling dog can be made to be held in chain wheel cover.Thus, need not hold with a hand felling dog, just can carry out the operation of felling dog being fixed on chain wheel cover, the operability of the installation operation of felling dog improves.
In the chain saw formed as mentioned above, when utilizing bolt felling dog to be fixed on the internal thread part be located on chain wheel cover, need not felling dog be held with a hand, just can carry out the tightening operation of bolt.
In the chain saw formed as mentioned above, preferably, in internal thread part, use nut, make clamping part extend to the position relative with nut, when so arranged, nut can not come off from felling dog because of clamping part.The operability of the tightening operation of bolt improves.
In the chain saw formed as mentioned above, preferably, clamping part is made to extend to the position relative with the opening portion of internal thread part, when so arranged, even if miss longer bolted in internal thread part, also clamping part can be utilized to stop entering of longer bolt, the bolt of appropriate length can be used.
In the chain saw formed as mentioned above, preferably, tilted by cutting from tabular nail and form clamping part, when so arranged, even if felling dog has clamping part, being also difficult to raise the cost.
The effect of utility model
According to the utility model, felling dog can be installed on chainsaw chain wheel cover simply.
Accompanying drawing explanation
Fig. 1 is the skeleton diagram of chain saw of the present utility model.
Fig. 2 is the stereogram observed chain saw of the present utility model obliquely from the front and see.
Fig. 3 (a) is the side view of chain wheel cover and the 2nd felling dog, and Fig. 3 (b) is the A-A sectional view in Fig. 3 (a), and Fig. 3 (c) is the B-B sectional view in Fig. 3 (a).
Fig. 4 (a) has decomposed the stereogram after the 2nd felling dog from chain wheel cover, and Fig. 4 (b) is the stereogram the 2nd felling dog being assembled in the state after chain wheel cover.
Fig. 5 is the stereogram of the 2nd felling dog representing other embodiments.
Description of reference numerals
10 ... chain saw, 11 ... housing, 12 ... prime mover, 13 ... sprocket wheel, 14 ... guide plate, 15 ... saw chain, 16 ... chain wheel cover, 20 ... felling dog (the 2nd felling dog), 21 ... tabular nail, 22 ... clamping part (clamping fastener device), 22A ... clamping part (clamping limb).
Detailed description of the invention
Below, an embodiment of chain saw of the present utility model is described with reference to the accompanying drawing added.As shown in Figure 1, chain saw 10 housing 11 built-in with electro-motor or engine prime movers 12.In the right side (sidepiece) of housing 11, be provided with sprocket wheel 13 in the mode that can rotate, this sprocket wheel 13 is driven in rotation due to the driving of prime mover 12.Be fixed with the base end part of guide plate 14 in the right side of housing 11, this guide plate 14 is outstanding to the front of housing 11.Between sprocket wheel 13 and the periphery of guide plate 14, tenter has saw chain 15, and saw chain 15 is rotated between sprocket wheel 13 and the periphery of guide plate 14 by the rotary actuation of sprocket wheel 13.
The chain wheel cover 16 of base end part for covering guide plate 14 and sprocket wheel 13 is provided with in the right side of housing 11.Chain wheel cover 16 utilizes screw bolt and nut together with guide plate 14 the mode of dismounting can be installed on the right side of housing 11.As shown in Figure 2, chain wheel cover 16 is formed with the front openings 16a of front openings, guide plate 14 is given prominence to from this front openings 16a.As shown in Fig. 3 (a), Fig. 3 (b) He Fig. 3 (c), be formed with upper and lower two through hole 16b run through for bolt 23 in the front portion of chain wheel cover 16.The through hole 16b of this chain wheel cover 16 is the components run through for the bolt 23 for fixing 2nd felling dog 20 described later, on the inner peripheral surface of chain wheel cover 16, be formed around through hole 16b for receiving spinning in the recess 16c of the nut (internal thread part) 24 of bolt 23.In addition, the inner circumferential shape of recess 16c becomes hexagon identically with nut 24, can not rotate to make the nut 24 received together with bolt 23.
As depicted in figs. 1 and 2, in the front portion of housing 11, the 1st felling dog 17 is installed in the left side of guide plate 14, anterior at the outer peripheral face of chain wheel cover 16, so that the mode of dismounting the 2nd felling dog 20 can be provided with.1st felling dog 17 is formed as tabular, has multiple forwards outstanding claw 17a in leading section.
As shown in Fig. 3 (a), Fig. 3 (b), Fig. 3 (c) He Fig. 4 (a), Fig. 4 (b), the 2nd felling dog 20 comprises: tabular nail 21, and it has multiple forwards outstanding claw 21a in leading section; And clamping fastener device (clamping part) 22, it extends out from tabular nail 21 to the inside via the front openings 16a of chain wheel cover 16, and clamping chain wheel cover 16 together with following closely 21 with tabular.Be formed with in the rearward end of tabular nail 21 the mounting plate portion 21b that the outer peripheral face front portion from the pars intermedia of top and above-below direction along chain wheel cover 16 rearward extends, mounting plate portion 21b is formed the through hole 21c run through for the bolt 23 fixed.Under the state of outer peripheral face front portion that the mounting plate portion 21b making tabular follow closely 21 is connected to chain wheel cover 16, by nut 24 being anchored on the bolt 23 running through the through hole 21c of mounting plate portion 21b and the through hole 16b of chain wheel cover 16, thus the 2nd felling dog 20 is fixed on chain wheel cover 16.
As shown in Fig. 3 (a), Fig. 3 (b), Fig. 3 (c) He Fig. 4 (a), Fig. 4 (b), the fixed head portion 22a that clamping fastener device 22 comprises the position of the side more forward than chain wheel cover 16 being fixed on tabular the nail 21 and a pair arm 22b up and down extended to the inside via the front openings 16a of chain wheel cover 16 from fixed head portion 22a.The arm 22b of clamping fastener device 22 and the tabular interval of following closely between 21 are slightly less than the width of the chain wheel cover 16 of the part between this.Under the state that the 2nd felling dog 20 is installed on chain wheel cover 16, the arm 22b of clamping fastener device 22 is to the direction elastic deformation away from tabular nail 21, and arm 22b exerts a force by the mode of pressing sprocket cover 16 to follow closely 21 sides to tabular.In addition, the arm 22b of clamping fastener device 22 extends to the position relative with the nut 24 in the recess 16c be accommodated on the inner peripheral surface being formed in chain wheel cover 16.And the top ends of arm 22b becomes also relative with the opening portion of the central authorities of the nut 24 be accommodated in recess 16c position.
In the chain saw 10 formed as mentioned above, if drive prime mover 12, then sprocket wheel 13 is driven in rotation, and saw chain 15 rotates between sprocket wheel 13 and the periphery of guide plate 14.In this condition, be stuck on the timber such as round log by the 1st felling dog 17 and the 2nd felling dog 20, with felling dog 17,20 for fulcrum, by the saw chain 15 that rotates in the periphery of guide plate 14 by being pressed on timber, thus timber is cut off by the saw chain 15 rotated.
In the chain saw 10 formed as mentioned above, the 2nd felling dog 20 comprises: tabular nail 21, and it is fixed on the outer peripheral face of chain wheel cover 16 and has multiple forwards outstanding claw 21a in leading section; And clamping fastener device 22, it extends out from tabular nail 21 to the inside via the front openings 16a of chain wheel cover 16, and clamping chain wheel cover 16 together with following closely 21 with tabular.When carrying out the 2nd felling dog 20 to be fixed on the operation of chain wheel cover 16, nut 24 being accommodated in the recess 16c of chain wheel cover 16, utilizing tabular to follow closely the arm 22b clamping chain wheel cover 16 of 21 and clamping fastener device 22, thus making the 2nd felling dog 20 be held in chain wheel cover 16.In this state, bolt 23 is run through the tabular nail through hole 21c of the 21 and through hole 16b of chain wheel cover 16, and the nut 24 of spinning in the recess 16c being accommodated in chain wheel cover 16, the 2nd felling dog 20 is fixed on chain wheel cover 16.Like this, when carrying out the 2nd felling dog 20 to be fixed on the operation of chain wheel cover 16, chain wheel cover 16 is held in owing to making the 2nd felling dog 20, therefore the 2nd felling dog 20 need not be held with a hand, just can carry out utilizing bolt 23 that the 2nd felling dog 20 is fixed on the operation of chain wheel cover 16, the operability of the installation operation of the 2nd felling dog 20 improves.
In addition, when making the 2nd felling dog 20 be held in chain wheel cover 16, the top ends of the arm 22b of clamping fastener device 22 extends to the position relative with the nut 24 in the recess 16c being accommodated in chain wheel cover 16.Thus, even if without hand back nut 24, nut 24 also can not depart from from recess 16c, and the operability of the installation operation of the 2nd felling dog 20 improves.
In addition, the top ends of the arm 22b of clamping fastener device 22 extends in the position relative with the opening portion of the nut 24 in the recess 16c being accommodated in chain wheel cover 16.By setting like this, even if use longer bolt by mistake, the top due to bolt is connected to the arm 22b of clamping fastener device 22, therefore also can stop entering of longer bolt.Thereby, it is possible to the bolt 23 being used for installing the 2nd felling dog 20 is defined as suitable length, can prevent the longer bolt by mistake used from arriving guide plate 14.
In addition, in the present embodiment, by nut 24 is accommodated in the recess 16c on the inner peripheral surface being arranged on chain wheel cover 16 in dismounting mode freely, thus form the internal thread part of chain wheel cover 16, but the utility model is not limited to this, also can be recess 16c nut 24 being embedded in chain wheel cover 16, and, also can be the inner peripheral surface by the through hole 16b of the bolt at chain wheel cover 16 forms internal thread form internal thread part.
In the chain saw formed as mentioned above, 2nd felling dog 20 is followed closely 21 by tabular and is formed with the clamping fastener device 22 being fixed on tabular nail 21, but the utility model is not limited to this, as shown in Figure 5, also can be, 2nd felling dog 20A is formed by tabular nail 21 with from clamping limb (clamping part) 22A that the mounting plate portion 21b of tabular nail 21 is integrally formed by cutting tilting, 21 and clamping limb 22A clamping chain wheel cover 16 is followed closely by utilizing tabular, thus make felling dog 20A be held in chain wheel cover 16, also can obtain the action effect identical with above-mentioned situation when arranging like this.
In the chain saw formed as mentioned above, the 1st felling dog 17 is provided with in the right flank front portion of housing 11, chain wheel cover 16 secures the 2nd felling dog 20 in dismounting mode freely, but the utility model is not limited to this, also can be the chain saw eliminating the 1st felling dog 17, when arranging like this, also can obtain the action effect identical with above-mentioned situation.
Claims (6)
1. a chain saw, is characterized in that, this chain saw comprises:
Housing, it is built-in with prime mover;
Sprocket wheel, it is located at the sidepiece of described housing in the mode that can rotate, and is rotated by described prime mover driven;
Guide plate, its sidepiece at described housing is forwards projecting;
Saw chain, its tenter is between described sprocket wheel and the periphery of described guide plate;
Chain wheel cover, it covers the base end part of described guide plate and described sprocket wheel at the sidepiece of described housing, and described guide plate is forwards given prominence to from front openings; And
Felling dog, it is installed on the outer peripheral face of described chain wheel cover,
Described felling dog comprises: tabular is followed closely, and it is fixed on the outer peripheral face of described chain wheel cover and has multiple forwards outstanding claw in leading section; And clamping part, its front openings of following closely via described chain wheel cover from described tabular extends out to the inside, and clamps described chain wheel cover together with following closely with described tabular.
2. chain saw according to claim 1, is characterized in that,
Bolt is utilized described felling dog to be fixed on the internal thread part be located on described chain wheel cover.
3. chain saw according to claim 2, is characterized in that,
Nut is used in described internal thread part,
Described clamping part is made to extend to the position relative with described nut.
4. the chain saw according to Claims 2 or 3, is characterized in that,
Described clamping part is made to extend to the position relative with the opening portion of described internal thread part.
5. the chain saw according to any one of claims 1 to 3, is characterized in that,
Tilted by cutting from described tabular nail and form described clamping part.
6. chain saw according to claim 4, is characterized in that,
Tilted by cutting from described tabular nail and form described clamping part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-127506 | 2014-06-20 | ||
| JP2014127506A JP2016007705A (en) | 2014-06-20 | 2014-06-20 | Chain saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204546695U true CN204546695U (en) | 2015-08-12 |
Family
ID=53372458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520220993.3U Active CN204546695U (en) | 2014-06-20 | 2015-04-13 | Chain saw |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2016007705A (en) |
| CN (1) | CN204546695U (en) |
| DE (1) | DE202015001919U1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105583466A (en) * | 2015-11-24 | 2016-05-18 | 戴明文 | Power saw |
| CN110027053A (en) * | 2018-01-12 | 2019-07-19 | 株式会社牧田 | Chain saw |
| CN110509356A (en) * | 2019-09-04 | 2019-11-29 | 常州格力博有限公司 | Chain saw |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016008496A1 (en) | 2016-07-15 | 2018-01-18 | Reinhard Napierski | Chainsaw with contact pressure |
| US10130043B1 (en) * | 2016-12-13 | 2018-11-20 | Larry McNamara | Chainsaw for trimming palm trees |
| DE102017100704A1 (en) | 2017-01-16 | 2018-07-19 | Makita Corporation | chainsaw |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010149462A (en) | 2008-12-26 | 2010-07-08 | Yamabiko Corp | Chain saw |
-
2014
- 2014-06-20 JP JP2014127506A patent/JP2016007705A/en active Pending
-
2015
- 2015-03-12 DE DE202015001919.6U patent/DE202015001919U1/en active Active
- 2015-04-13 CN CN201520220993.3U patent/CN204546695U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105583466A (en) * | 2015-11-24 | 2016-05-18 | 戴明文 | Power saw |
| CN110027053A (en) * | 2018-01-12 | 2019-07-19 | 株式会社牧田 | Chain saw |
| CN110509356A (en) * | 2019-09-04 | 2019-11-29 | 常州格力博有限公司 | Chain saw |
Also Published As
| Publication number | Publication date |
|---|---|
| DE202015001919U1 (en) | 2015-05-22 |
| JP2016007705A (en) | 2016-01-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |