CN201450748U - Belt-clutch operating mechanism of hand-held type working machine - Google Patents
Belt-clutch operating mechanism of hand-held type working machine Download PDFInfo
- Publication number
- CN201450748U CN201450748U CN2009201268040U CN200920126804U CN201450748U CN 201450748 U CN201450748 U CN 201450748U CN 2009201268040 U CN2009201268040 U CN 2009201268040U CN 200920126804 U CN200920126804 U CN 200920126804U CN 201450748 U CN201450748 U CN 201450748U
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- China
- Prior art keywords
- clutch
- handle
- hand
- working machine
- regulating wheel
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- Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The utility model discloses a belt-clutch operating mechanism of a hand-held type working machine. An upper connector of a clutch inhaul cable is connected with a clutch handle through a sliding pin, a lower connector is connected with a tensioning wheel, the clutch handle is movably connected with a handle base through a connecting rod, the handle base and the clutch handle are respectively connected to both ends of the connecting rod through a rotating pin, a guide groove is formed at the front end of the handle base, and the sliding pin passes through the guide groove and can slide back and forth along the guide groove. On the premise of realizing the normally-open operating mode, a labor-saving mechanism is added, so that an operator can easily hold the clutch handle for enduring operation without feeling ache in a hand. After the clutch handle is loosened, the hand-held type working machine automatically stops operating.
Description
Technical field
The utility model relates to a kind of on-off control mechanism, specifically refers to agricultural hand-held working machine belt on-off control mechanism, and this belt on-off control mechanism makes clutch be in normally open, and can clutch be connected for a long time.
Background technology
The purpose of on-off control mechanism is the disconnection or the connection of solenoidoperated cluthes as required.The clutch of machine in normal service such as the operation principle of miniature cultivator, motorcycle etc. are normal on-state at present, it is normally closed type, clutch is connected under nature, has only by external force effect clutch just to disconnect, and cuts off power output thus working machine is quit work.
For hand-held working machine (hand-held working machine is applied in agriculture field mostly, such as miniature cultivator, sower and grain header etc.), its clutch mainly contains two kinds of structures: belt clutch and friction disk clutch.The belt clutch be by make regulating wheel will be between drive pulley and driven pulley transferring power belt tension or unclamp, power effectively transmits during tensioning, power disconnects when unclamping.
Mainly contain two kinds of belt on-off control mechanisms now on the market: a kind of mechanism is fixed on two positions with control crank, by with handle wrench to the tensioning position or throw off the position, realize the tensioning of belt or unclamp.When because odjective cause when making the passive control that loses machine of people, this on-off control mechanism can not make the clutch automatic disconnection, and machine can not quit work automatically, has potential safety hazard; Another kind is to mediate the control crank machine works, and machine quits work after the release handle.This on-off control mechanism mainly is made of clutch handle, clutch cable and regulating wheel, clutch handle is installed on the handle pipe by handle bracket, the top connection of clutch cable is connected with clutch handle, lower contact is connected with regulating wheel, the operation clutch handle, by drag-line control regulating wheel, so by regulating wheel with belt tension or unclamp.For this on-off control mechanism, in the working time of machine section, the operator will pinch clutch handle always and can not unclamp.Because this on-off control mechanism does not have effort-saving mechanism, the grip of armrest overcomes the gravity of regulating wheel, the tension force of belt fully, and hand is easy to fatigue aches, if long-time operation also may cause certain injury to operator's hand.
The utility model content
At the prior art above shortcomings, the hand-held working machine belt on-off control mechanism open in usual of the purpose of this utility model provides a kind of clutch when connecting rapid operation.
The purpose of this utility model is achieved in that a kind of hand-held working machine belt on-off control mechanism, comprise clutch handle, clutch cable, regulating wheel and back-moving spring, clutch handle is installed on the handle pipe of hand-held working machine by handle set, the clutch cable top connection is connected with clutch handle, lower contact is connected with regulating wheel, its improvement is: clutch handle flexibly connects by connecting rod and handle set, the connecting rod two ends are respectively by the I that ships and resell on another market, ship and resell on another market II and handle set and clutch handle flexibly connects, the clutch cable top connection is connected with clutch handle by sliding pin, be provided with gathering sill at the handle set front end, gathering sill is located along the same line with the hole that the I that ships and resell on another market is installed, and sliding pin passes from gathering sill and can move forward and backward along gathering sill.When clutch handle is in the kneading state, sliding pin roughly is on the same straight line with ship and resell on another market I, II, the elastic force of the tension force of belt, the deadweight of regulating wheel and back-moving spring is formed makes a concerted effort finally act on the handle pipe, thereby the internal force that is converted into machine to be offset voluntarily by connecting rod, handle set.Therefore operator's hand does not stress basically, thereby can easily operate enduringly.
Described back-moving spring is located between regulating wheel and the working machine fuselage, back-moving spring gives the active force of regulating wheel opposite with clutch cable for the active force of regulating wheel. when unclamping clutch handle, under the effect of back-moving spring elastic force and regulating wheel deadweight, clutch handle and regulating wheel automatically reset, belt and belt pulley are thrown off automatically simultaneously, thereby machine is quit work automatically.
Described clutch handle is positioned at the handle pipe below, is convenient to the control of operator to machine like this, realizes crawl or half-clutch operation.
The utility model is under the prerequisite of operation mode that realizes often going into operation, owing to increased effort-saving mechanism, the operator can pinch the lasting work of clutch handle like a cork and can not make hand soreness.
Description of drawings
Fig. 1-the utility model structural representation;
Fig. 2-Figure 1A-A cutaway view.
Wherein, 1-clutch handle; 2-connecting rod 3-clutch cable 4-driven pulley; The 5-belt; The 6-drive pulley; 7-regulating wheel 8-back-moving spring; The 9-sliding pin; The 10-I that ships and resell on another market; The 11-II that ships and resell on another market; The 12-handle set; The 13-handle pipe; The 14-gathering sill; The 15-fuselage.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
Referring to Fig. 1, from the figure as can be seen, hand-held working machine belt on-off control mechanism of the present utility model, comprise clutch handle 1, handle set 12, handle pipe 13, clutch cable 3, regulating wheel 7 and back-moving spring 8, clutch handle 1 is installed on the handle pipe 13 of hand-held working machine by handle set 12, the top connection of clutch cable 3 is connected with clutch handle 1 by sliding pin 9, and lower contact is connected with regulating wheel 7.Clutch handle 1 flexibly connects by connecting rod 2 and handle set 12, sees Fig. 2.Described connecting rod 2 one ends flexibly connect with handle set 12 by the I 10 that ships and resell on another market, and the other end flexibly connects near medium position by ship and resell on another market II11 and clutch handle 1.Be provided with the gathering sill 14 of sealing at handle set 12 front ends, gathering sill is located along the same line with the hole that the I that ships and resell on another market is installed, and sliding pin 9 passes from gathering sill 14, and in the process of operation clutch handle 1, sliding pin 9 can slide along gathering sill 14 front and back.When clutch handle was in the kneading state, sliding pin 9 roughly was on the same straight line with ship and resell on another market I, II.
See Fig. 1, described back-moving spring 8 is located between regulating wheel 7 and the working machine fuselage 15 (being the casing on the fuselage during actual installation), and back-moving spring 8 gives the active force of regulating wheel 7 opposite with clutch cable 3 for the active force of regulating wheel 7.When unclamping clutch handle 1, under the effect that the elastic force and the regulating wheel 7 of back-moving spring 8 are conducted oneself with dignity, clutch handle 1 and regulating wheel 7 automatically reset, and belt 5 is thrown off automatically with belt pulley 6,4 simultaneously, thereby machine is quit work automatically.
Described clutch handle 1 is positioned at handle pipe 13 belows, is convenient to control realization crawl or the half-clutch operation of operator to machine like this.
When unclamping clutch handle, clutch handle 1 automatically resets under the effect of back-moving spring 8 (dotted line position of Fig. 1), and 9 of sliding pins slide to the diagram left along gathering sill 14.When mediating clutch handle 1 sliding pin 9 then along gathering sill 14 to the right-hand slip of diagram, effect by clutch cable 3 makes regulating wheel 7 be subjected to active force upwards, it is rectilinear motion all the time that such design makes the joint of clutch cable 3, can bending does not fracture and its life-span is prolonged greatly.
Owing to need the operator clutch handle 1 to be held in handle pipe 13 in the course of the work always, this just requires this active force the smaller the better, otherwise operator's hand is easy to the fatigue of aching, the utility model has just in time solved this problem, this is because after clutch handle 1 kneading, the sliding pin and the I 10 that ships and resell on another market, the II11 that ships and resell on another market roughly is on the same straight line, thereby the operator is exerted oneself more greatly when just beginning to press handle, and kneading put in place back (being in the course of work) thus just clutch handle 1 can be held the complete machine work that makes with very little strength, the operator just can easily operate enduringly. and openhanded open clutch handle 1 after, under the effect of back-moving spring 8 and regulating wheel 7, clutch handle 1 and regulating wheel 7 automatically reset, and hand-held working machine quits work immediately automatically.
The utility model operation principle: mediate clutch handle 1, handle regulating wheel 7 by clutch cable 3 and upwards mention, make belt 5 be in tensioning state, power passes to driven pulley 4 by drive pulley 6, thereby realizes that power output makes complete machine in running order.When openhanded open clutch handle 1 after, under the effect of back-moving spring 8 and regulating wheel 7 deadweights, clutch handle 1 and regulating wheel 7 automatically reset, belt 5 is thrown off automatically with belt pulley 4,6 simultaneously, thereby machine is quit work automatically.
Claims (3)
1. hand-held working machine belt on-off control mechanism, comprise clutch handle (1), clutch cable (3), regulating wheel (7) and back-moving spring (8), clutch handle (1) is installed on the handle pipe (13) of hand-held working machine by handle set (12), clutch cable (3) top connection is connected with clutch handle (1), lower contact is connected with regulating wheel (7), it is characterized in that: clutch handle (1) flexibly connects by connecting rod (2) and handle set (12), connecting rod (2) two ends are respectively by the I that ships and resell on another market (10), the II (11) that ships and resell on another market flexibly connects with handle set (12) and clutch handle (1), clutch cable (3) top connection is connected with clutch handle (1) by sliding pin (9), be provided with gathering sill (14) at handle set (12) front end, the ship and resell on another market hole of I (10) of gathering sill (14) and installation is located along the same line, and sliding pin (9) passes from gathering sill (14) and can move forward and backward along gathering sill (14).
2. hand-held working machine belt on-off control mechanism according to claim 1, it is characterized in that: described back-moving spring (8) is located between regulating wheel (7) and the working machine fuselage (15), and back-moving spring (8) gives the active force of regulating wheel opposite with clutch cable (3) for the active force of regulating wheel.
3. hand-held working machine belt on-off control mechanism according to claim 1 and 2 is characterized in that: described clutch handle (1) is positioned at handle pipe (13) below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201268040U CN201450748U (en) | 2009-03-26 | 2009-03-26 | Belt-clutch operating mechanism of hand-held type working machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201268040U CN201450748U (en) | 2009-03-26 | 2009-03-26 | Belt-clutch operating mechanism of hand-held type working machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201450748U true CN201450748U (en) | 2010-05-12 |
Family
ID=42378077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201268040U Expired - Lifetime CN201450748U (en) | 2009-03-26 | 2009-03-26 | Belt-clutch operating mechanism of hand-held type working machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201450748U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102007834A (en) * | 2010-10-15 | 2011-04-13 | 陈恳 | Micro-cultivator anti-misoperation device |
| CN103899674A (en) * | 2014-03-11 | 2014-07-02 | 李斯端 | Control mechanism of clutch handle |
-
2009
- 2009-03-26 CN CN2009201268040U patent/CN201450748U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102007834A (en) * | 2010-10-15 | 2011-04-13 | 陈恳 | Micro-cultivator anti-misoperation device |
| CN102007834B (en) * | 2010-10-15 | 2012-05-23 | 陈恳 | Micro-cultivator anti-misoperation device |
| CN103899674A (en) * | 2014-03-11 | 2014-07-02 | 李斯端 | Control mechanism of clutch handle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: CHONGQING HESHENG INDUSTRY CO., LTD. Assignor: Chen Ken Contract record no.: 2010500000059 Denomination of utility model: Belt-clutch operating mechanism of hand-held type working machine Granted publication date: 20100512 License type: Exclusive License Record date: 20100916 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100512 |