CN205552715U - A starting drive for chain saw - Google Patents
A starting drive for chain saw Download PDFInfo
- Publication number
- CN205552715U CN205552715U CN201620381883.XU CN201620381883U CN205552715U CN 205552715 U CN205552715 U CN 205552715U CN 201620381883 U CN201620381883 U CN 201620381883U CN 205552715 U CN205552715 U CN 205552715U
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- China
- Prior art keywords
- rope sheave
- return wind
- wind spring
- accumulation
- ratchet
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Abstract
The utility model discloses a starting drive for chain saw, it includes starter shroud (1), stop screw (8) and starting handle (9), be equipped with pivot (2) on starter shroud (1), suit return wind spring (3), return wind spring cover (4), start rope sheave (5), energy storage torsional spring (6) and ratchet (7) in proper order on pivot (2), stop screw (8) are connected with pivot (2) after passing ratchet (7), energy storage torsional spring (6), start -up rope sheave (5), return wind spring lid (4) and return wind spring (3) in proper order. The utility model has the advantages that this starting drive simple structure, operation convenient to use, safe and reliable can not cause the damage to people's arm.
Description
Technical field
This utility model involves starting up device, a kind of starter for gasoline chain saw.
Background technology
Two cycle gasoline chain saws are a kind of hand-held power tools being mainly used in lumbering, drawing materials, and mainly include
Two-cycle gasoline engine, actuating mechanism, sprocket wheel, chain, guide plate, be with two-cycle gasoline engine
Power, drive sprocket drives sawing chain to carry out cutting operation around guide plate rotary motion, reaches becoming forest timber to enter
Row is cut down, the purpose such as draw materials.The startup process analysis of existing gasoline chain saw is as follows: operator's hand pull starting-up
Handle, starting handle drives start rope wheel to rotate by start rope, and the pusher dog started on rope sheave drives gasoline again
Engine crankshaft rotates, thus reaches the purpose of petrol engine starting ignition.Existing two cycle gasoline chains
Saw has the following disadvantages in start-up course: when operator quickly pulls start rope to start petrol engine
Time, in the cylinder of electromotor, resistance to compression pression is relatively big, and this resistance forms recoil active force can be applied directly to operator
Arm, easy opponent impacts, and the most even can injure arm.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of starter for gasoline chain saw, should
Starter simple in construction, easy for operation, safe and reliable, the arm of people will not be caused damage.
For solving above-mentioned technical problem, the technical scheme that this utility model provides is: a kind of for gasoline chain saw
Starter, it includes trigger cover cap, stop screw and starting handle, described trigger cover cap sets
Have rotating shaft, described rotating shaft is set with successively return wind spring, return wind spring lid, start rope sheave, accumulation of energy torsion spring and
Ratchet, described stop screw sequentially passes through ratchet, accumulation of energy torsion spring, starts rope sheave, return wind spring lid and return
It is connected with rotating shaft after the wind spring of position；Described return wind spring is spacing on trigger cover cap by return wind spring lid, and
One end is fixed on trigger cover cap, and the other end is fixed on startup rope sheave；Coil on described startup rope sheave and have
For drawing the stay cord turning startup rope sheave, described stay cord is connected with starting handle after passing trigger cover cap；Described
One end of accumulation of energy torsion spring offsets with starting rope sheave, and the other end offsets with ratchet.
Preferred as one, it is nested that described trigger cover cap is provided with the stay cord passed for stay cord.
Preferred as one, described startup rope sheave is provided with the embedding chamber that the one end for accumulation of energy torsion spring embeds.
Preferred as one, described ratchet is provided with the projection for the socket of accumulation of energy torsion spring, and described ratchet also sets
There is the radial convex loop offseted after completing socket at accumulation of energy torsion spring with accumulation of energy torsion spring.
As one preferred, described return wind spring lid be provided with for return wind spring with start rope sheave and be connected and fix
Through hole.
After using above structure, this utility model compared with prior art, has the advantage that it includes opening
Dynamic device cover cap, stop screw and starting handle, trigger cover cap is provided with rotating shaft, and in rotating shaft, set reinstalls successively
Position wind spring, return wind spring lid, start rope sheave, accumulation of energy torsion spring and ratchet, stop screw sequentially pass through ratchet,
It is connected with rotating shaft after accumulation of energy torsion spring, startup rope sheave, return wind spring lid and return wind spring；Return wind spring passes through
Return wind spring lid is spacing on trigger cover cap, and one end is fixed on trigger cover cap, and the other end is fixed on
Start on rope sheave；Starting coiling on rope sheave to have for drawing the stay cord turning startup rope sheave, stay cord passes trigger cover
It is connected with starting handle after lid；One end of accumulation of energy torsion spring offsets with starting rope sheave, and the other end offsets with ratchet.
By above-mentioned setting, when pulling stay cord with rotating speed faster, when making start rope wheel rotate, due to start rope
Having accumulation of energy torsion spring between wheel and ratchet, ratchet can obtain higher rotating speed moment and drive engine ignition；Simultaneously
Accumulation of energy torsion spring absorbs energy and largely overcomes engine compresses resistance, reduces pulling force required when starting, overcomes
The compression bounce-back of electromotor, simple in construction, easy for operation, safe and reliable, the arm of people will not be made
Become damage.
Accompanying drawing explanation
Fig. 1 is integrally-built explosive view of the present utility model.
Shown in figure: 1, trigger cover cap, 101, stay cord nested, 2, rotating shaft, 3, return wind spring, 4,
Return wind spring lid, 401, through hole, 5, start rope sheave, 501, stay cord, 502, embed chamber 6, accumulation of energy is turned round
Spring, 7, ratchet, 701, projection, 702, radial convex loop, 8, stop screw, 9, starting handle.
Detailed description of the invention
1 pair of this utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of starter for gasoline chain saw of this utility model, it includes trigger
Cover cap 1, stop screw 8 and starting handle 9, trigger cover cap 1 is provided with rotating shaft 2, in rotating shaft 2 successively
Suit return wind spring 3, return wind spring lid 4, startup rope sheave 5, accumulation of energy torsion spring 6 and ratchet 7, stop screw
After 8 sequentially pass through ratchet 7, accumulation of energy torsion spring 6, startup rope sheave 5, return wind spring lid 4 and return wind spring 3
It is connected with rotating shaft 2；Return wind spring 3 is spacing on trigger cover cap 1 by return wind spring lid 4, and one end
Being fixed on trigger cover cap 1, the other end is fixed on startup rope sheave 5；Coil useful on startup rope sheave 5
Yu Lazhuan starts the stay cord 501 of rope sheave 5, and stay cord 501 connects with starting handle 9 after passing trigger cover cap 1
Connect；One end of accumulation of energy torsion spring 6 offsets with starting rope sheave 5, and the other end offsets with ratchet 7.Trigger cover cap
1 is provided with the stay cord nesting 101 passed for stay cord 501.
Start rope sheave 5 and be provided with the embedding chamber 502 that the one end for accumulation of energy torsion spring 6 embeds.
Ratchet 7 is provided with the projection 701 for accumulation of energy torsion spring 6 socket, and ratchet 7 is additionally provided with in accumulation of energy
The radial convex loop 702 that torsion spring 6 offsets with accumulation of energy torsion spring 6 after completing socket.
Return wind spring lid 4 is provided with and is connected fixing through hole 401 for return wind spring 3 with starting rope sheave 5.
Below only most preferred embodiment of the present utility model is described, but is not to be construed as claim
Restriction.This utility model is not limited only to above example, all guarantors in this utility model independent claims
The various changes made in the range of protecting are all in protection domain of the present utility model.
Claims (5)
1. the starter for gasoline chain saw, it is characterised in that: it include trigger cover cap (1),
Stop screw (8) and starting handle (9), described trigger cover cap (1) is provided with rotating shaft (2), described
It is set with return wind spring (3), return wind spring lid (4) in rotating shaft (2) successively, starts rope sheave (5), accumulation of energy
Torsion spring (6) and ratchet (7), described stop screw (8) sequentially pass through ratchet (7), accumulation of energy torsion spring (6),
Start rope sheave (5), return wind spring lid (4) and return wind spring (3) to be connected with rotating shaft (2) afterwards；Institute
State return wind spring (3) spacing on trigger cover cap (1) by return wind spring lid (4), and one end is solid
Being scheduled on trigger cover cap (1), the other end is fixed in startup rope sheave (5)；Described startup rope sheave (5)
Upper coiling has for drawing the stay cord (501) turning startup rope sheave (5), and described stay cord (501) passes trigger
Cover cap (1) is connected with starting handle (9) afterwards；One end of described accumulation of energy torsion spring (6) and startup rope sheave (5)
Offseting, the other end offsets with ratchet (7).
A kind of starter for gasoline chain saw the most according to claim 1, it is characterised in that: institute
State trigger cover cap (1) and be provided with stay cord nesting (101) passed for stay cord (501).
A kind of starter for gasoline chain saw the most according to claim 1, it is characterised in that: institute
State startup rope sheave (5) and be provided with the embedding chamber (502) that the one end for accumulation of energy torsion spring (6) embeds.
A kind of starter for gasoline chain saw the most according to claim 1, it is characterised in that: institute
Stating ratchet (7) and be provided with the projection (701) being socketed for accumulation of energy torsion spring (6), described ratchet (7) is upper also
It is provided with the radial convex loop (702) offseted after completing socket at accumulation of energy torsion spring (6) with accumulation of energy torsion spring (6).
A kind of starter for gasoline chain saw the most according to claim 1, it is characterised in that: institute
State return wind spring lid (4) be provided with for return wind spring (3) with start rope sheave (5) be connected fix through hole
(401)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620381883.XU CN205552715U (en) | 2016-04-28 | 2016-04-28 | A starting drive for chain saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620381883.XU CN205552715U (en) | 2016-04-28 | 2016-04-28 | A starting drive for chain saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205552715U true CN205552715U (en) | 2016-09-07 |
Family
ID=56804350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620381883.XU Active CN205552715U (en) | 2016-04-28 | 2016-04-28 | A starting drive for chain saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205552715U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738553A (en) * | 2021-10-11 | 2021-12-03 | 永康市丰沣塑料制品有限公司 | Starter that practicality is strong |
| US11333119B2 (en) | 2019-05-28 | 2022-05-17 | Andreas Stihl Ag & Co. Kg | Spring casing and starter device with a spring casing |
-
2016
- 2016-04-28 CN CN201620381883.XU patent/CN205552715U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11333119B2 (en) | 2019-05-28 | 2022-05-17 | Andreas Stihl Ag & Co. Kg | Spring casing and starter device with a spring casing |
| CN113738553A (en) * | 2021-10-11 | 2021-12-03 | 永康市丰沣塑料制品有限公司 | Starter that practicality is strong |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |