CN218639863U - Saw chain - Google Patents
Saw chain Download PDFInfo
- Publication number
- CN218639863U CN218639863U CN202222763147.9U CN202222763147U CN218639863U CN 218639863 U CN218639863 U CN 218639863U CN 202222763147 U CN202222763147 U CN 202222763147U CN 218639863 U CN218639863 U CN 218639863U
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- China
- Prior art keywords
- guide plate
- saw chain
- transmission
- pieces
- blade
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- 230000005540 biological transmission Effects 0.000 claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 238000007790 scraping Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Sawing (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The utility model discloses a cutting device which is arranged on a guide plate and rotates around the periphery of the guide plate for cutting; the saw chain comprises transmission pieces inserted in the guide plate grooves on the periphery of the guide plate, connecting pieces connected between every two adjacent transmission pieces and blades positioned on the side parts of the transmission pieces; the method is characterized in that: the bottom of the transmission piece is provided with a friction part in sliding fit with the bottom of the guide plate groove, and the contact surface of the friction part and the bottom of the guide plate groove is a plane. The utility model discloses can be effectual the life between extension saw chain and the baffle.
Description
Technical Field
The utility model belongs to the technical field of the chain saw technique and specifically relates to a saw chain.
Background
The chain saw, also called chain saw, is a portable saw (cutting machine) powered by gasoline engine, mainly used for cutting timber and making timber, and its working principle is that the cutting action is implemented by means of the transverse movement of L-shaped blades staggered on the saw chain.
The saw assembly generally includes a saw chain including a drive strap, a connecting strap, and a blade, and a fence, wherein the saw chain is disposed on the fence and rotates around a periphery of the fence for cutting. Specific structures of a chain saw assembly and a saw chain are disclosed in the patent numbers 202220055847X, namely, a saw chain and a lithium electric saw suitable for a lithium electric saw, 202110694940.5, 2020102854011, 202010256289.9 and light lithium battery special saw chain, and the patent numbers 3242, 2020102854011, 3278, and 3278, respectively.
When the saw chain works, the saw chain needs to rotate around the guide plate at a high speed, so that the connecting part between the saw chain and the guide plate can be abraded, and when the saw chain is seriously abraded, the cutting efficiency can be influenced, so that the service life of the whole saw chain is influenced by the abrasion between the saw chain and the guide plate besides the abrasion of the blade.
Disclosure of Invention
The utility model aims at solving the problem in the prior art, providing a saw chain, comparing with current chain saw, can prolong the life of chain saw.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a saw chain arranged on a guide plate and rotating around the periphery of the guide plate for cutting; the saw chain comprises transmission pieces inserted in the guide plate grooves on the periphery of the guide plate, connecting pieces connected between every two adjacent transmission pieces and blades positioned on the side parts of the transmission pieces; the method is characterized in that: the bottom of the transmission piece is provided with a friction part in sliding fit with the bottom of the guide plate groove, and the contact surface of the friction part and the bottom of the guide plate groove is a plane.
Preferably, the method comprises the following steps: the two driving pieces are connected through connecting pieces positioned on two sides of the two driving pieces, and a supporting part used for being in sliding contact with the peripheral surface of the guide plate is arranged at the bottom of each connecting piece.
Preferably, the method comprises the following steps: the top end of the transmission piece is provided with a limiting block protruding upwards, and the height of the limiting block is lower than that of the blade.
Preferably, the method comprises the following steps: any driving piece top end connected with the same connecting piece is provided with a limiting block protruding upwards, and the height of the limiting block is lower than that of the blade.
Preferably, the method comprises the following steps: and two ends of the friction part on the transmission plate are respectively provided with a chamfer, and the radius of each chamfer is XX-XXmm.
Preferably, the method comprises the following steps: the supporting part on at least one connecting sheet is provided with a scraping blade.
Preferably, the method comprises the following steps: the connecting pieces are arranged according to a structure with a completely symmetrical center, the left side, the right side and the upper side are consistent, concave arcs are arranged on the lower sides of the connecting pieces respectively, and the scraping pieces are arranged on the arc surfaces of the concave arcs.
Preferably, the method comprises the following steps: the blade comprises a left blade and a right blade, and the left blade and the right blade are respectively and alternately positioned on two sides of the transmission piece.
The utility model has the advantages that:
the saw chain in this application, the setting has included two kinds of operating condition on the baffle and when encircleing the baffle periphery and rotating, first operating condition (also be initial operating condition), the friction portion and the baffle tank bottom contact and the sliding fit that set up through the driving plate bottom under first operating condition realize that the saw chain encircles the baffle periphery and rotates, the bottom that passes through the driving plate at first operating condition contacts the friction with the baffle as when the saw chain encircles the baffle periphery and rotates and the stress point between the baffle.
The second working state is started after the friction part at the bottom of the driving sheet is worn out, the whole height of the driving sheet is reduced after the friction part is worn out, the height of the connecting sheet connected with the driving sheet is reduced, the supporting part at the bottom of the connecting sheet is in sliding fit with the peripheral surface of the guide plate, and the supporting part starts to bear as a second stress point between the saw chain and the guide plate when the saw chain rotates around the peripheral edge of the guide plate.
Wherein when supporting part and baffle peripheral surface formed sliding fit, the friction portion still contacted the friction with baffle tank bottom, need explain that the both sides of driving strap all are equipped with the connection piece, consequently the left and right sides peripheral surface of baffle all can receive the contact friction of supporting part, consequently form the stress point of friction portion and baffle tank bottom and the supporting part of driving strap both sides under second operating condition and form two second stress points, the situation of three party's atress altogether.
Through the two working states, after the first working state is finished, the second working state can be carried out immediately, and the service life of the saw chain assembly is prolonged. Meanwhile, the friction part and the supporting part can be made of friction-resistant materials, so that the service life is further prolonged.
Drawings
FIG. 1 is a schematic view of a guide plate according to the present invention;
FIG. 2 is a schematic side view of the guide plate of the present invention;
FIG. 3 is a schematic view of a saw chain structure according to the present invention;
FIG. 4 is a schematic view of a first driving strap of the present invention;
FIG. 5 is a schematic view of a second embodiment of the present invention;
FIG. 6 is a schematic view of a connecting sheet structure according to the present invention;
FIG. 7 is a schematic view of a web with a wiper blade according to the present invention;
FIG. 8 is a schematic view of the saw chain of the present invention as it is mounted on a guide plate;
FIG. 9 is a schematic view of the saw chain of the present invention disposed on the upper side of the guide plate in a first operating state;
fig. 10 is a schematic view of the saw chain arranged on the upper side of the guide plate in the second working state of the present invention.
In the figure: the device comprises a guide plate 1, a guide plate groove 11, a transmission sheet 2, a friction part 21, a limiting block 22, a connecting sheet 3, a supporting part 31, a scraping blade 31, a blade 4, a sprocket hole 5 and a clearance 6.
Detailed Description
The invention will be further described with reference to the accompanying drawings:
the first embodiment is as follows:
the embodiment provides a saw chain, which is arranged on a guide plate 1 and rotates around the periphery of the guide plate 1 for cutting, wherein the guide plate 1 made of metal in the embodiment is matched with the saw chain; the saw chain comprises transmission pieces 2 inserted in guide plate grooves 11 on the periphery of a guide plate 1, connecting pieces 3 connected between every two adjacent transmission pieces 2, and blades 4 positioned on the side portions of the transmission pieces 2, wherein the connecting pieces 3 are connected on the two sides of the transmission pieces 2. In the embodiment, the saw chain is arranged on the guide plate 1 made of metal and rotates around the periphery of the guide plate 1, the guide plate 1 is provided with a guide plate groove 11, the bottom of the transmission piece 2 is provided with a friction part 21 in sliding fit with the bottom of the guide plate groove 11, and the contact surface of the friction part 21 and the bottom of the guide plate groove 11 is a plane. The two driving plates 2 are connected by connecting plates 3 at both sides thereof, and the bottom of the connecting plates 3 is provided with a supporting portion 31 for sliding contact with the peripheral surface of the guide plate 1.
Wherein the saw chain is arranged on the guide plate 1 made of metal and rotates around the periphery of the guide plate 1, two working states exist, the friction part 21 on the transmission piece 2 is contacted with the bottom of the guide plate groove 11, and is in sliding fit with the bottom of the guide plate groove, and meanwhile, the supporting part 31 on the transmission piece 2 is not contacted with the peripheral surface of the guide plate 1, so that a first working state is formed, and the saw chain is also in an initial working state on the guide plate 1. In which the web 3 is suspended above the guide plate 1 in the first operating state, leaving a gap 6 between the support 31 at the bottom of the web 3 and the surface of the guide plate 1, which gap 6 is present before the friction portion 21 is worn. Wherein the two transmission sheets 2 are connected through the connecting sheets 3 positioned at the two sides; the connecting pieces 3 are arranged according to a structure with a completely symmetrical center, are consistent from top to bottom, and are provided with a concave arc at the lower side.
After the first working state is continuously operated until the supporting part 31 at the bottom of the driving strap 2 is worn, the driving strap 2 sinks and bears the supporting part 31 on the connecting piece 3 against the surface of the guide plate 1 and forms a sliding fit with the surface of the guide plate 1. At this time, the saw chain enters a second working state, in the second working state, the friction part 21 is still in contact with the bottom of the guide plate groove 11 and is in sliding fit, meanwhile, the supporting part 31 at the bottom of the connecting piece 3 is in sliding fit with the peripheral surface of the guide plate 1, the connecting pieces 3 are arranged on two sides of the driving piece 2, and the connecting pieces 3 on two sides are in sliding fit with the peripheral surface of the guide plate 1, so that the situation of three-party stress is formed in the second working state, three parties share the force between the saw chain and the guide plate 1, the force is shared by three parties to be respectively borne, and the friction force between the friction part 21 at the bottom of the driving piece 2 and the bottom of the guide plate groove 11 is further reduced. The service life of the chain saw assembly is prolonged through the two working states.
In order to control the cutting depth of the blade 4 each time in the actual work of the saw chain assembly, a limit block 22 protruding upwards is arranged at the top end of the transmission piece 2, and the height of the limit block 22 is lower than that of the blade 4. In particular, the highest point of the limiting block 22 at the vertical height is lower than the height of the cutting edge of the blade 4. It should be noted that the transmission piece 2 includes two structures, the first type transmission piece 2 does not have the above-mentioned stopper 22, the second type transmission piece 2 has the above-mentioned stopper 22, and the top of any transmission piece 2 that specific same connection piece 3 is connected is equipped with the protruding stopper 22 that makes progress. The upwardly projecting stop 22 also serves to balance the chain saw.
Wherein, in order to be installed in actual production, the depth of the guide plate groove 11 can be 3.16mm, the gap 6 between the support part 31 at the bottom of the connecting piece 3 and the surface of the guide plate 1 can be 0.51mm, and the chamfer radius of the two ends of the friction part 21 at the bottom of the transmission piece 2 can be R1.00mm.
It should be noted that, in actual installation, two transmission plates 2 are connected through a connecting plate 3, and the two sides of the transmission plates 2 are connected through the connecting plate 3, and meanwhile, the transmission plates 2 are connected with the connecting plate 3 through a chain shaft, wherein the blade 4 includes a left blade 4 and a right blade 4, the left blade 4 and the right blade 4 are alternately arranged on the two sides of the transmission plates 2, it should be noted that the left blade 4 and the right blade 4 are not continuously arranged, at least one connecting plate 3 is arranged between the left blade 4 and the right blade 4 alternately, a chain shaft hole 5 is arranged at a connecting portion of the transmission plates 2 in actual installation, and the transmission plates 2 and the connecting plate 3, and the transmission plates 2 and the blades 4 are connected through the chain shaft.
Example two:
the difference between the present embodiment and the first embodiment is that the guide plate 1 engaged with the saw chain is a non-metal guide plate 1, specifically, a plastic guide plate 1 formed of XXX material, the guide plate 1 is provided with a guide plate groove 11, when the guide plate 1 is engaged with the guide plate, the difference is that when the friction portion 21 at the bottom of the driving strap 2 and the bottom of the guide plate groove 11 are in sliding engagement friction, the bottom of the guide plate groove 11 is worn, and when the support portion 31 at the bottom of the connecting strap 3 is in sliding friction with the peripheral surface of the guide plate 1 in the second state, the peripheral surface of the guide plate 1 is rubbed.
When the non-metal guide plate 1 is used, in order to avoid that in the second operating state, only the support portion 31 at the bottom of the connecting piece 3 comes into contact with the peripheral surface of the guide plate 1 due to the excessive speed of friction between the friction portion 21 at the bottom of the driving lug 2 and the bottom of the guide plate slot 11. A wiper blade 31 is provided on the web 3, which wiper blade 31 is arranged to wipe off the circumferential surface of the guide plate 1 quickly, so that the friction portion 21 at the bottom of the drive strap 2 can sink into continuous frictional sliding engagement with the bottom of the guide plate groove 11. The specific structure of the connecting sheet 3 is that the connecting sheet 3 is arranged according to a structure with a completely symmetrical center, the left side, the right side and the upper side are consistent, the lower side is provided with a concave arc respectively, and the supporting part 31 is provided with a concave arc. The wiper blade 31 is disposed on the arc surface of the concave arc. Wherein a blade 31 is arranged on the saw chain at a support 31 on at least one connecting piece 3. The web 3 thus comprises two configurations, one being the web 3 with the wiper blade 31 and the other being the web 3 without the wiper blade 31.
Example three:
the difference between this embodiment and the first embodiment is: wherein for the purpose of installation in actual production, the depth of the guide plate groove 11 can be 3.16mm, the gap 6 between the support part 31 at the bottom of the connecting piece 3 and the surface of the guide plate 1 can be 0.1mm, and the chamfer radius of the two ends of the friction part 21 at the bottom of the driving piece 2 can be R0.1mm.
Example four:
the difference between this embodiment and the first embodiment is: wherein the depth of the guide plate groove 11 can be 3.16mm in the actual production installation, the gap 6 between the support part 31 at the bottom of the connecting piece 3 and the surface of the guide plate 1 can be 1mm, and the chamfer radius of the two ends of the friction part 21 at the bottom of the driving piece 2 can be R10mm.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (8)
1. A saw chain arranged on a guide plate and rotating around the periphery of the guide plate for cutting; the saw chain comprises transmission pieces inserted in the guide plate grooves on the periphery of the guide plate, connecting pieces connected between every two adjacent transmission pieces and blades positioned on the side parts of the transmission pieces; the method is characterized in that:
the bottom of the transmission piece is provided with a friction part in sliding fit with the bottom of the guide plate groove, and the contact surface of the friction part and the bottom of the guide plate groove is a plane.
2. A saw chain as claimed in claim 1, wherein: the two transmission pieces are connected through connecting pieces positioned on two sides of the two transmission pieces, and a supporting part used for being in sliding contact with the peripheral surface of the guide plate is arranged at the bottom of each connecting piece.
3. The saw chain of claim 1, wherein: the top end of the transmission piece is provided with a limiting block protruding upwards, and the height of the limiting block is lower than that of the blade.
4. A saw chain as claimed in claim 1, wherein: the top end of any transmission piece connected with the same connecting piece is provided with a limiting block protruding upwards, and the height of the limiting block is lower than that of the blade.
5. The saw chain of claim 1, wherein: and two ends of the friction part on the transmission plate are respectively provided with a chamfer, and the radius of each chamfer is 0.1-10mm.
6. A saw chain as claimed in claim 1, wherein: the supporting part on at least one connecting sheet is provided with a scraping sheet.
7. The saw chain of claim 6, wherein: the connecting pieces are arranged according to a structure with a completely symmetrical center, the left side, the right side and the upper side are consistent, concave arcs are arranged on the lower sides of the connecting pieces respectively, and the scraping pieces are arranged on the arc surfaces of the concave arcs.
8. A saw chain as claimed in claim 1, wherein: the blade comprises a left blade and a right blade, and the left blade and the right blade are respectively and alternately positioned on two sides of the transmission piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222763147.9U CN218639863U (en) | 2022-10-20 | 2022-10-20 | Saw chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222763147.9U CN218639863U (en) | 2022-10-20 | 2022-10-20 | Saw chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218639863U true CN218639863U (en) | 2023-03-17 |
Family
ID=85494484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222763147.9U Active CN218639863U (en) | 2022-10-20 | 2022-10-20 | Saw chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218639863U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024082509A1 (en) * | 2022-10-20 | 2024-04-25 | 杭州精锋园林工具有限公司 | Chainsaw assembly |
-
2022
- 2022-10-20 CN CN202222763147.9U patent/CN218639863U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024082509A1 (en) * | 2022-10-20 | 2024-04-25 | 杭州精锋园林工具有限公司 | Chainsaw assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240531 Address after: No. 358 Zhangjiali Road, Shanhe Village, Wenyan Street, Xiaoshan District, Hangzhou City, Zhejiang Province, 310000 Patentee after: Hangzhou Cobot Laser Engineering Co.,Ltd. Country or region after: China Address before: 311258 Wen Yan Jie Dao San Jiang Kou Cun, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU EXCELSIOR & SHARP GARDEN TOOLS CO.,LTD. Country or region before: China |