CN104148733B - Chain saw and chain links thereof - Google Patents
Chain saw and chain links thereof Download PDFInfo
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- CN104148733B CN104148733B CN201410367269.3A CN201410367269A CN104148733B CN 104148733 B CN104148733 B CN 104148733B CN 201410367269 A CN201410367269 A CN 201410367269A CN 104148733 B CN104148733 B CN 104148733B
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- chain
- lateral plate
- sawtooth
- chain link
- kink
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Abstract
The invention belongs to the technical field of saws and discloses chain links and a chain saw thereof. The problems that in the prior art that, chain links in the chain saw are hinged with the others through hinge bolts and drive chain links arranged among the chain links, and consequently the chain links are prone to loosening are solved. The chain saw comprises the chain links (12). The chain links (12) are provided with sawteeth (1) and chain pieces (2). The chain pieces (2) are provided with waist portions (3) narrower than two ends thereof. Each waist portions (3) is provided with a bending portion (4) allowing each chain piece (2) to form two side pieces (5). The bending portions (4) are integrated with the side pieces (5). The sawteeth (1) are arranged on the edges of the side pieces (5) provided with side holes (6). The side holes (6) allow the side pieces (5) to penetrate. As for the chain saw, among every two adjacent chain links (12), one bending portion (4) of one chain link (12) is hung on the side hole (6) of the other chain link (12). The chain saw is good in mechanical strength, provided with the chain links hung on the others and easy to manufacture.
Description
Technical field
The invention belongs to saw technical field.
Background technology
Chinese patent, the cutting external member of entitled chain saw and saw chain, the patent No. 201110200896.4 discloses one kind
The cutting external member of the chain saw with saw chain 3 and this saw chain.Cutting external member have for along partially around seamed edge 5 draw
Lead the guide rail 4 of saw chain.Saw chain has the drive link 6 with transmission protuberance 7, and transmission protuberance 7 utilizes its side 8 being formed
It is directed in a sliding manner between the side wall 9 of the guiding groove 10 of guide rail in the case of friction pair.
Saw chain 3 includes the cutter link 24 with blade 25 and depth limiter, wherein, between single cutter link 24
It is disposed with connection chain link 23.Be disposed between the connection chain link 23 arranged in alternating order and cutter link 24 each other by means of in
Hinge pin and the drive link 6 between being located at hingedly are connected.Connection chain link 23 and cutter link 24 are respectively provided with lower seamed edge
32, connection chain link 23 and cutter link 24 with lower seamed edge 32 be located at the external rings of guide rail 4 around seamed edge 5 on.
It is there is problems that saw chain has two kinds of connection chain links of different shapes and cutter link, connection chain link and cutting
Chain link all structures in the form of sheets, are hingedly connected each other by means of the drive link in hinge pin and between being located at.This hinge pin exists
Easily get loose during each chain link twisted state, assembly technology is complicated.
Content of the invention
It is an object of the invention to provide a kind of structure is single, the chain link that can interconnect.
For realizing the purpose of the present invention, described chain link, including sawtooth, chain piece, described chain piece is provided with narrower than two ends
Waist, described waist is provided with kink, and described kink makes chain piece form two lateral plates, described kink and side
Piece is in integrative-structure, and described sawtooth is arranged on lateral plate edge, and described lateral plate is provided with side opening, and described side opening can allow
Lateral plate passes through, and described waist can rotate in side opening.
Because the design of side opening is so that lateral plate can pass through, facilitate each chain piece can pass through the side opening of another chain piece,
It is bent to form chain link afterwards to link together, and in one line.Each chain link is to be tied by the one that a sheet metal is made
Structure, the kink of a chain link can hang on the edge of the side opening of the chain link being adjacent so that two chain links combine and have
Mechanical strength well, is difficult to disengage, each chain link mutually mounts, and makes simple.
It is an object of the invention to utilizing above-mentioned chain link, providing a kind of link configuration single, can interconnect,
It is easy to assemble, the chain saw that will not get loose between chain link in use.
For realizing the purpose of the present invention, the described chain saw with above-mentioned chain link, including chain link, described chain link is provided with saw
Tooth, chain piece, described chain piece is provided with the waist narrower than two ends, and described waist is provided with kink, and described kink makes
Chain piece forms two lateral plates, and described kink is in integrative-structure with lateral plate, and described sawtooth is arranged on lateral plate edge, described
Lateral plate be provided with side opening, described side opening can allow lateral plate pass through, and in two adjacent chain links, one of a chain link is curved
Folding part hangs in the side opening of another chain link.
In chain saw of the present invention, each chain chip architecture can be consistent, by stamping, then bends on waist, is formed curved
Folding part, becomes first chain link.Again next chain piece is passed through the side opening of this chain link, then bends on the waist of this lateral plate,
Form second chain link, by that analogy, by the connection of multiple chain links, form a chain saw, the length of this chain saw is only by chain
The quantity of piece determines, it is the simplest that structure reaches cause.
Brief description
Fig. 1 is the chain piece stereogram of formation state of the present invention.
Fig. 2 is the chain link stereogram being formed after the chain piece bending in Fig. 1.
Fig. 3 is that the chain piece in Fig. 1 is inserted in the stereogram in Fig. 2 chain link.
Fig. 4 is the stereogram after selecting 90 degree in the chain piece chain link in Fig. 3.
Fig. 5 is the stereogram at the first visual angle of chain saw of the present invention.
Fig. 6 is the stereogram at chain saw second visual angle of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of chain saw of the present invention is described in further detail:
As shown in embodiment in Fig. 1～2, this is a chain link of the present invention, including sawtooth 1, chain piece 2, this sawtooth 1 and chain
By the sheet metal of a piece of strip, such as steel disc is stamped to form piece 2.
Chain piece 2 is provided with the waist 3 narrower than two ends, and waist 3 is provided with kink 4, and kink 4 makes a chain piece 2 be formed
Two lateral plates 5, become double-decker.
Kink 4 is in integrative-structure with lateral plate 5, is difficult to get loose during dragsaw, and except non-metal plate fracture, this is for hand
For the operation of work dragsaw, there is good mechanical strength.Sawtooth 1 is arranged on lateral plate 5 edge, and lateral plate 5 is provided with side opening 6, side
Hole 6 can allow lateral plate 5 pass through, and waist 3 can rotate in side opening 6.During assembling, can by one of chain piece 2, as shown in fig. 1,
It is bent into a chain link, as shown in Figure 2.Then one of lateral plate 5 of another chain piece 2 is passed through the side opening on this chain link
6, as shown in Figure 3, afterwards, another chain piece 2 is ratated 90 degrees in side opening 6, as shown in Figure 4, then bends, form second
Individual chain link.By that analogy it is possible to several chain links link together successively one by one.Two often adjacent chain links are by curved
The edge of folding part 4 and side opening 6 is hooked together.Because waist 3 is narrower than lateral plate 5, it is therefore to provide one on lateral plate 5 to set
Put the space of through hole.So, as long as side opening 6 width on lateral plate 5 is more than the width of kink 4, then kink 4 just can hang over
In the forward edge of side opening 6.
It is provided with a circular hole 7 in side opening 6, circular hole 7 side is provided with the longitudinal slot 8 extending to kink 4, in other words should
Side opening 6 is made up of a circular hole 7 and a longitudinal slot 8.Because the length of kink 4 is fixing, when kink 4 is in circle
When in hole 7, circular hole 7 side can be leaned against and slide so that can equably convert bending angle between two chain links.
And the longitudinal slot 8 on circular hole 7 side makes the length of side opening 6 be lengthened, that is, big than the diameter of circular hole 7, Ke Yirang
A part for lateral plate 5 is passed through from circular hole 7, and another part then passes through from longitudinal slot 8.So, certain in chain piece 2 size
Under conditions of, the area of side opening 6 can be reduced as far as possible, naturally also just increase the area of lateral plate 5 entity part, the machinery of chain link
Intensity is enhanced.
Sawtooth 1 is disposed therein on the edge of a lateral plate 5., on the edge of lateral plate 5, the width of lateral plate 5 is natural for sawtooth 1
Can increase.When on the edge that sawtooth 1 is all disposed within one of lateral plate 5, then no sawtooth on the edge of another lateral plate 5, this
Sample, the serrate lateral plate 5 of ratio that the width of another lateral plate 5 can design naturally is narrow, can be by another lateral plate 5 from side
Hole 6 passes through, and now the depth dimensions of longitudinal slot 8 can also reduce, and so that the area of side opening 6 is reduced further, and natural lateral plate 5 is real
The area of body portion then increases further, and the mechanical strength of chain link is enhanced again.
Circular hole 7 diameter is slightly larger than the width of kink 4.The area of so side opening 6 can reach in the state of penetrating in lateral plate 5
To minimum, this be also make side opening 6 area as far as possible little, so that the area of lateral plate 5 entity part is then increased further.Longitudinal slot 8
Thickness be more than for sheet metal thickness, with just can allow a strip sheet metal pass through be advisable.Therefore, the width of side opening 6
Depending on the degree i.e. width by kink 4, can be affiliated to by kink 4 and be defined in side opening 6.It is straight that the length of side opening 6 is equal to circular hole 7
Footpath adds the depth of longitudinal slot 8, that is, depending on the width by lateral plate 5.The transverse width of circular side holes 6 so can be reduced, make side
The diameter in hole 6 is slightly larger than the width of kink 4, so as to the greatest extent may be used of can manufacturing of the transverse width of strip sheet metal
Can be wide, to increase the mechanical strength of chain link.
Sawtooth 1 is disposed therein on the edge of a lateral plate 5.So sawtooth 1 can not be set on another lateral plate 5 so that
Another lateral plate 5 width is the narrowest, causes longitudinal slot 8 can be made minimum, as far as possible compared with the area in hole on chainlet piece 2, thus
Strengthen the mechanical strength of chain piece 2, the mechanical strength of natural chain link is also enhanced.
At least one, the sawtooth 1 being disposed therein on lateral plate 5 edge be vertically hold up and at least one be
Tilt laterally, the height of tilting is more than the thickness of lateral plate 5.Because the thickness in two adjacent chain link junctions has at least
The thickness of four layers of sheet metal, the therefore sawtooth 1 on lateral plate 5 edge at least will cut the thickness of two sheet metals, vertically
The sawtooth 1 holded up saws out the saw kerf of its own thickness, and the sawtooth 1 tilting laterally saws out the thickness saw kerf of a lateral plate 5, this
Sample, the sawtooth 1 on two lateral plates 5 just can saw out the saw kerf of more than the thickness that width is four layers of sheet metal, thus can allow
Whole piece saw blade is by saw kerf not by card.
One ledge structure 9 is bent with lateral plate 5, ledge structure 9 makes lateral plate 5 be divided into coxopleure 10 and epimeron 11, side
5 two coxopleures 10 of piece are close together, and the space between two epimerons 11 can house the thickness of two lateral plates 5.Ledge structure 9
A lateral plate 5 is made to form the thickness of two sheet metals, thus ensureing that each link configuration is compact, space between two lateral plates 5
Reduce as much as possible, and stick together as much as possible, prevent sawdust from falling into space between two lateral plates 5 and strutting lateral plate 5
And affect sawing.
Sawtooth 1 is arranged on coxopleure 10.To ensure that sawtooth 1 is to start sawing from center line side in sawing, it is to avoid quilt
Cut be not affected by the middle of object cut and form a lamella wedge between two lateral plates 5.
As shown in Figure 5, this is a kind of chain saw with above-mentioned chain link, and including chain link 12, chain link 12 is provided with sawtooth 1, chain
Piece 2, chain piece 2 is provided with the waist 3 narrower than two ends, and waist 3 is provided with kink 4, and kink 4 makes chain piece 2 form two lateral plates
5, kink 4 and lateral plate 5 are in integrative-structure, and sawtooth 1 is arranged on lateral plate 5 edge, and lateral plate 5 is provided with side opening 6, and side opening 6 is permissible
Lateral plate 5 is allowed to pass through, in two adjacent chain links 12, a kink 4 of a chain link 12 hangs over the side of another chain link 12
In hole 6.
Describe in detail above link configuration therein, will not be described here.
This chain saw is linked together by multiple chain links 12, for two adjacent chain links 12, in a chain link 12,
There are six sawtooth 1 to be divided into two rows to be separately positioned on two edges of its left side lateral plate 5, in another chain link 12, then have again
Six sawtooth 1 are divided into two rows and are separately positioned on two edges of lateral plate 5 on the right of it.
Wherein in three sawtooth 1 on lateral plate 5 edge, two sawtooth 1 on both sides are vertically holded up, at chain piece 2
In approximately the same plane, and the sawtooth 1 of centre is then to tilt laterally, and the height of tilting is more than the thickness of lateral plate 5.In Fig. 5
Shown, this chain saw amounts to eight chain links 12,
Count from left to right, the sawtooth 1 on the chain piece 2 of first and third, five, seven chain links 12 is arranged at top side
On lateral plate 5, and the sawtooth 1 on the chain piece 2 of second, four, six, eight chain links 12 is arranged on the lateral plate 5 of following side.
On the chain piece 2 of first and third, five, seven chain links 12, two sawtooth 1 being in both sides on lateral plate 5 are vertically holded up,
It is in approximately the same plane with chain piece 2, middle sawtooth 1 then tilts to the side of top.
On the chain piece 2 of second, four, six, eight chain links 12, two sawtooth 1 being in both sides on lateral plate 5 are vertically holded up,
It is in approximately the same plane with chain piece 2, middle sawtooth 1 then tilts to following side.
Although the sawtooth 1 on each chain link 12 is only monolateral setting, the saw on its two adjacent chain link 12
Tooth 1 is then the both sides setting with center line as line of symmetry, and so, there is left and right in whole piece chain saw has and tilt laterally
Sawtooth 1.In sawing, the saw kerf of at least four layers of sheet thicknesses can be sawed out it is ensured that whole piece chain saw can be along saw kerf
Sawing is gone down.
In a manufacturing process, punching press chain piece semi-finished product out are the same, in each chain link assembling process are only
Sawtooth 1 on adjacent chain link 12 and kink 4 overbending direction are contrary, easy to manufacture, simple.
Claims (18)
1. a kind of chain link, including sawtooth (1), chain piece (2), is characterized in that described chain piece (2) is provided with the waist narrower than two ends
(3), described waist (3) is provided with kink (4), and described kink (4) makes chain piece (2) form two lateral plates (5), institute
The kink (4) stated and lateral plate (5) are in integrative-structure, and described sawtooth (1) is arranged on lateral plate (5) edge, described lateral plate
(5) it is provided with side opening (6), described side opening (6) can allow lateral plate (5) pass through, described waist (3) can rotation in side opening (6)
Turn.
2. chain link according to claim 1, is characterized in that being provided with a circular hole (7) in described side opening (6), described circle
Hole (7) side is provided with the longitudinal slot (8) extending to kink (4).
3. chain link according to claim 2, is characterized in that described sawtooth (1) is disposed therein the side of a lateral plate (5)
On edge.
4. chain link according to claim 2, is characterized in that described circular hole (7) diameter is slightly larger than the width of kink (4).
5. chain link according to claim 3, is characterized in that described circular hole (7) diameter is slightly larger than the width of kink (4).
6. chain link according to claim 1, is characterized in that described sawtooth (1) is disposed therein the side of a lateral plate (5)
On edge.
7. the chain link according to claim 1,2,3,4,5 or 6, is characterized in that being disposed therein on lateral plate (5) edge
At least one, sawtooth (1) be vertically hold up and at least one tilt laterally, the height of tilting is more than lateral plate
(5) thickness.
8. the chain link according to claim 1,2,3,4,5 or 6, is characterized in that being bent with a platform on described lateral plate (5)
Stage structure (9), described ledge structure (9) makes lateral plate (5) be divided into coxopleure (10) and epimeron (11), described lateral plate (5)
Two coxopleures (10) are close together, and the space between two epimerons (11) can house the thickness of two lateral plates (5).
9. chain link according to claim 8, is characterized in that described sawtooth (1) is arranged on coxopleure (10).
10. a kind of chain saw, including chain link (12), is characterized in that described chain link (12) is provided with sawtooth (1), and chain piece (2) is described
Chain piece (2) is provided with the waist (3) narrower than two ends, and described waist (3) is provided with kink (4), and described kink (4) makes
Chain piece (2) forms two lateral plates (5), and described kink (4) is in integrative-structure with lateral plate (5), and described sawtooth (1) is arranged on
On lateral plate (5) edge, described lateral plate (5) is provided with side opening (6), and described side opening (6) can allow lateral plate (5) pass through, in phase
In two adjacent chain links (12), a kink (4) of a chain link (12) hangs in the side opening (6) of another chain link (12).
11. chain saws according to claim 10, is characterized in that being provided with a circular hole (7) in described side opening (6), described
Circular hole (7) side is provided with the longitudinal slot (8) extending to kink (4).
12. chain saws according to claim 11, is characterized in that in a chain link (12), and described sawtooth (1) is arranged on
On the edge of its left side lateral plate (5), in another chain link (12), described sawtooth (1) is arranged on the side of lateral plate on the right of it (5)
On edge.
13. chain saws according to claim 11, is characterized in that described circular hole (7) diameter is slightly larger than the width of kink (4)
Degree.
14. chain saws according to claim 12, is characterized in that described circular hole (7) diameter is slightly larger than the width of kink (4)
Degree.
15. chain saws according to claim 10, is characterized in that in a chain link (12), and described sawtooth (1) is arranged on
On the edge of its left side lateral plate (5), in another chain link (12), described sawtooth (1) is arranged on the side of lateral plate on the right of it (5)
On edge.
16. chain saws according to claim 10,11,12,13,14 or 15, is characterized in that being disposed therein a lateral plate (5)
At least one, sawtooth (1) on edge be vertically hold up and at least one tilt laterally, the height of tilting is big
Thickness in lateral plate (5).
17. chain saws according to claim 10,11,12,13,14 or 15, is characterized in that being bent with described lateral plate (5)
One ledge structure (9), described ledge structure (9) makes lateral plate (5) be divided into coxopleure (10) and epimeron (11), described side
(5) two coxopleures (10) of piece are close together, and the space between two epimerons (11) can house the thickness of two lateral plates (5).
18. chain saws according to claim 17, is characterized in that described sawtooth (1) is arranged on coxopleure (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410367269.3A CN104148733B (en) | 2014-07-24 | 2014-07-24 | Chain saw and chain links thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410367269.3A CN104148733B (en) | 2014-07-24 | 2014-07-24 | Chain saw and chain links thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104148733A CN104148733A (en) | 2014-11-19 |
| CN104148733B true CN104148733B (en) | 2017-01-25 |
Family
ID=51874457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410367269.3A Active CN104148733B (en) | 2014-07-24 | 2014-07-24 | Chain saw and chain links thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104148733B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3747652A (en) * | 1972-01-03 | 1973-07-24 | C Meadows | Flexible pruning saw |
| US4242796A (en) * | 1979-09-19 | 1981-01-06 | Victor Barausch | Tree saw |
| US4518022A (en) * | 1982-09-29 | 1985-05-21 | Valdes Guillermo A | Oscillating cutting element |
| CN2148647Y (en) * | 1992-09-21 | 1993-12-08 | 周伟华 | Portable chain saw |
| CN2850783Y (en) * | 2005-11-28 | 2006-12-27 | 王光彬 | Chain saw |
| CN101485265A (en) * | 2008-01-07 | 2009-07-22 | 郑少强 | Flexible chain saw for cutting tree limbs |
| CN204486917U (en) * | 2014-07-24 | 2015-07-22 | 彭辉 | A kind of chain link and chain saw thereof |
-
2014
- 2014-07-24 CN CN201410367269.3A patent/CN104148733B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3747652A (en) * | 1972-01-03 | 1973-07-24 | C Meadows | Flexible pruning saw |
| US4242796A (en) * | 1979-09-19 | 1981-01-06 | Victor Barausch | Tree saw |
| US4518022A (en) * | 1982-09-29 | 1985-05-21 | Valdes Guillermo A | Oscillating cutting element |
| CN2148647Y (en) * | 1992-09-21 | 1993-12-08 | 周伟华 | Portable chain saw |
| CN2850783Y (en) * | 2005-11-28 | 2006-12-27 | 王光彬 | Chain saw |
| CN101485265A (en) * | 2008-01-07 | 2009-07-22 | 郑少强 | Flexible chain saw for cutting tree limbs |
| CN204486917U (en) * | 2014-07-24 | 2015-07-22 | 彭辉 | A kind of chain link and chain saw thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104148733A (en) | 2014-11-19 |
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