CN2662613Y

CN2662613Y - Back-carried miniature harvester

Info

Publication number: CN2662613Y
Application number: CN 03249952
Authority: CN
Inventors: 刘谋学
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-08-15
Filing date: 2003-08-15
Publication date: 2004-12-15
Anticipated expiration: 2013-08-15

Abstract

The utility model relates to a back-carrying type mini sized harvesting machine, which is characterized in that: the top of the back type machine frame with back belt is provided with a threshing and grass eliminating drum, and the middle of the machine frame is provided with a single direction fan used for blowing the grain shell, and the bottom of the machine frame is provided with a built-in spiral thruster. The drum end is the grain transmission drum for the grain outlet. A small sized diesel engine as power source is positioned on the pedestal on one end of the machine frame. The front of the machine frame is provided with a harvesting mechanism. The utility model still comprises a transmission box cooperated with harvesting mechanism and formed by the transmission belt, which makes the millet sprays transformed to the grass eliminating drum, and a power transmission mechanism of the whole machine. The utility model has the advantages that: the utility model is of a small volume, a light weight, a simper structure, convenient operation, easy maintenance and low price, which is applicable for the random harvesting in the water and dry fields on the sloping field in particular. Compared with the traditional hand cutting, the utility model not only reduces the working intensity but also improves production efficiency; synchronously the utility model reduces the harvesting cost.

Description

A kind of Backpack miniature harvester

Technical field

The utility model relates to a kind of grain header, exactly relates to a kind of can the back of the body on labourer's oneself back, and oneself operates the miniature harvester of limit harvesting while walking Tanaka.

Background technology

Existing grain header all is large and medium-sized highly-mechanized production equipment, has the outstanding advantage of saving manpower, high efficiency, is suitable for carrying out in the big farmland scope in Pingba area scale harvesting operation; Yet, on non-Pingba area, particularly hilly upland fritter water, dry farm land, being subjected to the restriction of landform, cultivated area, economic aspect factor, this machinery has just lost effect; In the such kind of area, the farmland is gathered in the armrest of having to and is held manually carrying out of reaping hook, and labour intensity is big, and harvesting efficiency is low.

Summary of the invention

Goal of the invention of the present utility model is: be the peasant household in non-Pingba area, provide that a kind of volume is little, in light weight, simple in structure, easy to operate, price is low, easy maintenance, labourer can be with its back of the body on back, walking freely in water, dry farm land, oneself is operated, and can gather in the Backpack miniature harvester of grain ear everywhere.

Goal of the invention of the present utility model realizes by implementing following technical proposals:

A kind of Backpack miniature harvester, it is characterized in that: threshing Lysimachia sikokiana tube is installed at the top of the back of the body open frame that braces is housed, the unidirectional blower fan that blows down husk is installed at the middle part of frame, dress spiral propeller, tube end transmit tube for the grain of grain outlet in the bottom of frame is equipped with, small diesel engine as power source is housed on the base of frame one end, harvesting mechanism is housed in the front of frame, that cooperates with harvesting mechanism, main that form by conveyer belt, grain ear is inputed to the conveying box that goes in the threshing Lysimachia sikokiana tube, and the power drive system of complete machine.

Additional technical feature is:

1. the described threshing Lysimachia sikokiana tube that is contained in frame top, be provided with the semiclosed long barrel-type casing of grass outlet, bottom-open by back partially position, an end (as right-hand member) top, be contained in an end (as left end) in the housing and have the cylindrical threshing winch spool that two belt pulleys, the other end (as right-hand member) have a belt pulley, be installed on the periphery of contiguous straw outlet one side of winch spool, be parallel to the vertical Lysimachia sikokiana nail that the winch spool rotating shaft is arranged, be installed on the winch spool remaining surface, becomes with the winch spool rotating shaft the vertical strand of tiltedly arrangement follow closely form.

2. the described unidirectional blower fan that is installed in central rack, by the blower fan case that is parallel to threshing Lysimachia sikokiana tube, is contained in central rack, both ends open, upper back have the horizontal direction wind passage mouth, fan with horizontal rectangular blade is housed on the case central shaft, and the belt pulley that is contained in an end of fan center's rotating shaft (as left end) is formed.

3. the described grain transmission tube that is installed in the frame bottom, connect the trough-shaped housing that the husk exit plate is housed by open-top, closed at both ends, the outlet of an end (as left end) bottom tipping grain, rear portion barrel, be contained in the spiral propeller of this horizontal center of housing, and the belt pulley that is provided with at position, a termination of spiral propeller (as left end) is formed.

4. the described harvesting mechanism that is installed in the frame front, by an end by support be fixed in grain ear conveying box lower sidewall, the other end is fixed on the grain lifter on the grain ear transport tube sidewall, be installed in grain lifter below, grain ear transport tube front along the dead knife on the plate face, the movable blades that match with dead knife, its rod end connects with fork, be contained in the grain ear transport tube of the dead knife back lower place, and the spiral propeller that the horizontal direction in tube is installed is formed; This grain ear transport tube one end (as left end) is positioned on the grain ear conveying box lower end, and an end is contained on the grain ear conveying box lower sidewall support, the other end is contained in the spiral propeller on the grain ear transport tube sidewall, main chain dish, the outside of carrying grain ear are equipped with in its end in holder orientation has coaxial chain drum, termination that the skewed slot wheel is arranged, and in this skewed slot wheel the shift fork that connects with movable knife bar is housed.

5. described grain ear transport tube, the trough-shaped housing open for the other end of open-top, end sealing, close grain ear conveying box, that the back wall tipping has the grain ear baffle plate.

6. described grain ear conveying box, by shell, cased conveyer belt, the rotating shaft that is contained in the conveyer belt upper/lower terminal is formed, the joint portion of this conveying box top and threshing Lysimachia sikokiana tube is the warehouse entry mouth, be that a kind of elasticity is flexible coupling, upper end rotating shaft one end (as left end) of conveyer belt is equipped with belt pulley, the rotating shaft two ends are fixed on the frame by bearing, and the lower end rotating shaft is contained on the left and right sides both sidewalls of grain ear conveying box, the conveyer belt chain drum is equipped with in the end of this rotating shaft outside one side (as the left side) sidewall, and in the end of being fixed in the support on this sidewall the traction chain drum is housed.

7. the power drive system of described complete machine, by the belt pulley on diesel powered output shaft and the axle, the belt pulley of rotating shaft of threshing winch spool and one end and cover hang over the tightening belt on these two belt pulleys; Cover hangs on belt pulley of the threshing winch spool rotating shaft other end, on the belt pulley of fan center's roller end of unidirectional blower fan and the belt conveyor on the spiral propeller termination belt pulley of grain transmission tube; Cover hang on another belt pulley of the threshing winch spool rotating shaft other end and the belt pulley of conveyer belt upper end roller end on belt conveyor; Cover hangs over the driving-chain on grain ear conveying box lower end conveyer belt chain drum and this case bottom bracket end traction chain drum, and press the conveying grain ear main chain dish that is inserted in spiral propeller end mutual adaptive on this driving-chain, and cover hangs on its coaxial chain drum in chain drum outside and the driving-chain on the chain drum of grain lifter central shaft end is formed.

8. left and right two lifting tooths of adjusting the harvesting mechanism height are housed on frame, and one of them lifting tooth matches with the link that the spiral shell that is contained in the grain ear transport tube twists on the propeller one end axle, and another lifting tooth is pitched with the extension on the grain ear conveying box back wall and matched.

9. the end in frame is equipped with operating grip, this flexible handle is contained on the framework of frame by fulcrum, and the handle of spring connecting frame and fulcrum leading portion is arranged, and at handle rear end pinch roller is housed, also be equipped with on the framework in running order handle is blocked fixing jump ring.

Advantage of the present utility model is: little, in light weight, relatively simple for structure, easy to operate, the easy maintenance of volume, price be low, be particularly suited for arbitrarily harvesting in the water, dry land in the hillside fields, cutting the hand mode of beating with traditional hand compares, not only reduce labour intensity but also improved production efficiency, reduced the harvesting expense simultaneously.

Description of drawings

Fig. 1 is the utility model perspective view

Fig. 2 is the utility model rack construction schematic diagram

Fig. 3 is the utility model threshing winch spool structural representation

Fig. 4 is the utility model grain lifter structural representation

Fig. 5 is the utility model harvesting mechanism structural representation

Fig. 6 is the utility model harvesting mechanism left side TV structure schematic diagram

Fig. 7 is the utility model power and operating grip structural representation

Mark among the figure: 1 is frame, 2 is screen cloth, 3 are threshing winch spool central rotating shaft left end belt pulley, 4 are the threshing winch spool, 5 are threshing Lysimachia sikokiana tube, 6 is the husk exit plate, 7 is the elastic soft interface of grain ear conveying box and threshing Lysimachia sikokiana tube---grain ear warehouse entry mouth, 8 is anchor, 9 are the Lysimachia sikokiana nail, 10 is grass outlet, 11 is the braces retainer ring, 12 is operating grip, 13 are harvesting mechanism lifting tooth, 14 are fixed on fixture on the frame for gathering in mechanism, 15 is the grain ear conveying box, 16 is the conveyer belt chain drum of grain ear conveying box lower end, 17 for being contained on the grain ear conveying box back wall, be used to regulate the harvesting mechanism height and adorn the extension fork that is inserted on the

frame lifting tooth

18,18 is the lifting tooth that cooperates with the extension fork on the frame, 19 are the grain outlet, 20 are grain transmission tube, 21 is unidirectional blower fan, 22 is the main chain dish of carrying the spiral propeller rotating shaft left part of grain ear, 23 are the traction chain drum, 24 coaxial chain drums for the main chain dish outside of the spiral propeller rotating shaft left part of carrying grain ear, 25 is the skewed slot wheel of carrying the spiral propeller rotating shaft left part of grain ear, 26 for being contained in the shift fork in the skewed slot wheel, 27 for to match with dead knife, the movable blades that bar section end connects with the fork bar, 28 for being contained in the chain drum of grain lifter central shaft left part, 29 for being fixed on the grain lifter support on the grain ear conveying box sidewall, 30 is the axostylus axostyle of grain lifter rotating shaft, 31 is grain lifter, 32 for to be fixed on grain ear transport tube front along the dead knife on the plate face, 33 for being contained in the dead knife back lower place, has backboard, one end of end face and contiguous grain ear conveying box opens wide, the grain ear transport tube of other end sealing, 34 is the spiral propeller in the grain ear transport tube, 35 are the link of fixing harvesting mechanism on the frame lifting tooth, 36 are inserted into fixed position in the link 35 for the fixture 14 below the lifting tooth, 37 for being contained in the baffle plate that grain ear scatters that stops at grain ear transport tube rear portion, 38 are used for the pinch roller of tightening belt for the operating grip rear end, 39 for the belt pulley of threshing winch spool central rotating shaft right-hand member, 40 is the tightening belt of suit small diesel engine power takeoff pulley and threshing winch spool central rotating shaft right-hand member belt pulley, 41 is the small diesel engine power takeoff pulley, 42 for the belt pulley of threshing winch spool rotating shaft left end, 43 is the operating grip control spring, 44 are operating grip control jump ring, 45 is the diesel engine installation site, 46 is the grass outlet position on the frame, and 47 is the husk exit position on the frame.

Embodiment

A kind of Backpack miniature harvester, at the top of the back of the body open frame 1 that braces is housed threshing Lysimachia sikokiana tube 5 is installed, the unidirectional blower fan 21 that blows down husk is installed at the middle part of frame 1, dress spiral propeller in the bottom of frame 1 is equipped with, the tube end is the grain transmission tube 20 of grain outlet 19, small diesel engine as power source is housed in the position of frame 1 right-hand member base mark 45, harvesting mechanism is housed in the front of frame 1, cooperate with harvesting mechanism, mainly form by conveyer belt, grain ear is inputed to the conveying box 15 that goes in the threshing Lysimachia sikokiana tube 5, and the power drive system of complete machine.

Be contained in the threshing Lysimachia sikokiana tube 5 at frame 1 top, be provided with the semiclosed long barrel-type casing of grass outlet 10, bottom-open by back partially position, right-hand member top, be contained in left end in the housing and have the cylindrical threshing winch spool 4 that two belt pulleys 3,42, right-hand member have a belt pulley 39, be installed on the periphery of contiguous grass outlet one side of winch spool, be parallel to the vertical Lysimachia sikokiana nail 9 that the winch spool rotating shaft is arranged, be installed on winch spool 4 remaining surface, become the vertical strand of tiltedly arrangement to follow closely 8 compositions with the winch spool rotating shaft.

Be installed in the unidirectional blower fan 21 at frame 1 middle part, by the blower fan case that is parallel to threshing Lysimachia sikokiana tube 5, is contained in central rack, both ends open, upper back have the horizontal direction wind passage mouth, fan with horizontal rectangular blade is housed on the case central shaft, and the belt pulley that is contained in fan center rotating shaft left part is formed.

Be installed in the grain transmission tube 20 of frame 1 bottom, by open-top, closed at both ends, left end bottom tipping grain outlet 19, the rear portion barrel connects the trough-shaped housing that husk exit plate 6 is housed, be contained in the spiral propeller of this horizontal center of housing, and the belt pulley that is provided with in spiral propeller left end head position is formed.

Be installed in the harvesting mechanism of frame 1 front, by left end by support 29 be fixed in grain ear conveying box 15 lower sidewall, right-hand member is fixed on the grain lifter 31 on grain ear transport tube 33 sidewalls, be installed in grain lifter 31 belows, grain ear transport tube 33 fronts along the dead knife on the plate face 32, the movable blades 27 that match with dead knife, its rod end connects with fork 26, be contained in the grain ear transport tube 33 of dead knife 32 back lower places, and the spiral propeller 34 that the horizontal direction in tube is installed is formed; This grain ear transport tube left end is positioned on grain ear conveying box 15 lower ends, and left end is contained on the grain ear conveying box lower sidewall support 29, right-hand member is contained in the spiral propeller 34 on grain ear transport tube 33 sidewalls, main chain dish 22, the outside of carrying grain ear are equipped with in its left part has coaxial chain drum 24, termination that skewed slot wheel 25 is arranged, and in this skewed slot wheel 25 shift fork 26 that connects with movable knife bar 27 is housed.

Grain ear transport tube 33, the trough-shaped housing open for the left end of open-top, right-hand member sealing, close grain ear conveying box, that the back wall tipping has grain ear baffle plate 37.

Grain ear conveying box 15, by shell, cased conveyer belt, the rotating shaft that is contained in the conveyer belt upper/lower terminal is formed, the joint portion of these conveying box 15 tops and threshing Lysimachia sikokiana tube 5 is the warehouse entry mouth, be that a kind of elasticity is flexible coupling, the upper end rotating shaft left end of conveyer belt is equipped with belt pulley, the rotating shaft two ends are fixed on 1 in the machine by bearing, and the lower end rotating shaft is contained on the left and right sides both sidewalls of grain ear conveying box 15, conveyer belt chain drum 16 is equipped with in the end of this rotating shaft outside left side wall, and in the end of being fixed in the support 29 on this sidewall traction chain drum 23 is housed.

The power drive system of complete machine, by the belt pulley 41 on diesel powered output shaft and the axle, the belt pulley 39 of rotating shaft of threshing winch spool and right-hand member thereof and cover hang over the tightening belt 40 on these two belt pulleys; Cover hangs on belt pulley 42 of threshing winch spool rotating shaft left end, on the belt pulley of the fan center rotating shaft left part of unidirectional blower fan 21 and the belt conveyor on the spiral propeller left end scalp belt wheel of grain transmission tube 20; Cover hang on the threshing winch spool 4 rotating shaft left end belt pulleys 3 and the belt pulley of rotating shaft left part, conveyer belt upper end on belt conveyor; Cover hangs over the driving-chain on grain ear conveying box 15 lower end conveyer belt chain drums 16 and this case bottom bracket 29 ends traction chain drum 23, and press the conveying grain ear main chain dish 22 that is inserted in spiral propeller 34 left parts mutual adaptive on this driving-chain, and cover hangs on its coaxial chain drum 24 in chain drum outside and the driving-chain on the grain lifter 31 central shaft 30 left part chain drums 28 is formed.

Be equipped with on the frame 1 adjust the harvesting mechanism height about two

lifting tooths

18,13, link 35 in one of them lifting tooth 13 and the grain ear transport tube on the spiral shell strand propeller 34 end axles matches, and another lifting tooth 18 is pitched 17 with the extension on grain ear conveying box 15 back walls and matched.

Right-hand member in frame is equipped with operating grip 12, this flexible handle is contained on the framework of frame by fulcrum 0, and the handle of spring 43 connecting frames and fulcrum 0 leading portion is arranged, and in handle 12 rear ends pinch roller 38 is housed, also be equipped with on the framework in running order handle 12 is blocked fixing jump ring 44.

Operation principle of the present utility model is as follows:

Install braces by the retainer ring on the frame 11, on back, before harvesting mechanism was positioned at the people, grain ear conveying box 15 was positioned at the people right side the frame back of the body.Because this mechanical gross weight is at the 35-40 kilogram, carrying this grain header can free operation in the farmland.When needing the harvesting grain ear, in advance by lifting tooth, link and extension fork are adjusted the height of harvesting mechanism, carry frame then, and left hand is held operating grip 12.When operating grip is pressed down, the handle lever arm rotates by fulcrum 0, the pinch roller 38 of handle rear end, this moment, the tightening belt 40 with 39 of the belt pulleys of belt pulley on the diesel powered output shaft 41 and threshing winch spool 4 rotating shaft right-hand members compressed, the power of diesel engine rotates threshing winch spool 4 by this tightening belt, thereby the power legacy system by this machine makes complete machine be in working condition, and make handle keep duty by lower circlip this moment.Grain lifter 31 before the body overwhelms the paddy bar and makes grain ear enter the edge of a knife, the grain ear of cutting off falls in the grain ear transport tube 33 with people's reach, by spiral propeller 34 grain ear in the tube is sent in the grain ear conveying box 15, by conveyer belt in the case they are sent in the threshing Lysimachia sikokiana tube 5 from warehouse entry mouth 7 again, threshing winch spool 4 in the tube rotates, by its lip-deep anchor 8 grain is peeled off, the grass bar is discharged it by Lysimachia sikokiana nail 9 from grass outlet 10, grain that peels off and the part grass meal screen cloth 2 under the threshing winch spool sieves, and by unidirectional blower fan 21 with husk outside this husk exit plate 6 blows out threshing Lysimachia sikokiana tube, grain through screening falls in the grain transmission tube 20 of frame bottom, and by the spiral propeller in it grain is discharged from grain outlet 19 and to enter in the sack that hangs on the frame, after dress bag is full, press jump ring 44 push-up operation handles 12 with hand, its pinch roller 38 is separated with tightening belt 40, because belt 40 is lax, can not drive threshing winch spool 4 rotates, then the power drive system of complete machine quits work, after taking off the grain bag, can press down operating grip 12 and restart work, and so forth.

Claims

1, a kind of Backpack miniature harvester, it is characterized in that: the top at the back of the body open frame (1) that braces is housed is equipped with threshing Lysimachia sikokiana tube (5), the unidirectional blower fan (21) that blows down husk is installed at the middle part of frame (1), dress spiral propeller in the bottom of frame (1) is equipped with, the tube end is the grain transmission tube (20) of grain outlet (19), small diesel engine as power source is housed on frame (1) one bottom seat, harvesting mechanism is housed in the front of frame (1), cooperate with harvesting mechanism, mainly form by conveyer belt, grain ear is inputed to the conveying box (15) that goes in the threshing Lysimachia sikokiana tube (5), and the power drive system of complete machine.

2, according to the described Backpack miniature harvester of claim 1, it is characterized in that: the described threshing Lysimachia sikokiana tube (5) that is contained in frame (1) top, be provided with grass outlet (10) in the position, back partially by an end top, the semiclosed long barrel-type casing of bottom-open, be contained in the interior end of housing and have two belt pulleys (3), (42), the other end has the cylindrical threshing winch spool (4) of a belt pulley (39), be installed on the periphery of contiguous grass outlet one side of winch spool, be parallel to the vertical Lysimachia sikokiana nail (9) that the winch spool rotating shaft is arranged, be installed on winch spool (4) remaining surface, become the vertical strand nail of tiltedly arranging (8) to form with the winch spool rotating shaft.

3, according to the described Backpack miniature harvester of claim 1, it is characterized in that: the described unidirectional blower fan (21) that is installed in frame (1) middle part, by the blower fan case that is parallel to threshing Lysimachia sikokiana tube (5), is contained in central rack, both ends open, upper back have the horizontal direction wind passage mouth, fan with horizontal rectangular blade is housed on the case central shaft, and the belt pulley that is contained in an end of fan center's rotating shaft is formed.

4, according to the described Backpack miniature harvester of claim 1, it is characterized in that: the described grain transmission tube (20) that is installed in frame (1) bottom, by open-top, closed at both ends, bottom portion tipping grain outlet (19), the rear portion barrel even is equipped with the trough-shaped housing of husk exit plate (6), be contained in the spiral propeller of this horizontal center of housing, and the belt pulley that is provided with at position, a termination of spiral propeller is formed.

5, according to the described Backpack miniature harvester of claim 1, it is characterized in that: the described harvesting mechanism that is installed in frame (1) front, be fixed in grain ear conveying box (15) lower sidewall by an end by support (29), end is fixed on the grain lifter (31) on grain ear transport tube (33) sidewall in addition, be installed in grain lifter (31) below, grain ear transport tube (33) front is along the dead knife on the plate face (32), match with dead knife, the movable blades (27) that its rod end connects with fork (26), be contained in the grain ear transport tube (33) of dead knife (32) back lower place, and the spiral propeller (34) that the horizontal direction in tube is installed is formed; This grain ear transport tube one end is positioned on grain ear conveying box (15) lower end, grain ear conveying box lower sidewall support (29) is gone up, the other end is contained in the spiral propeller (34) on grain ear transport tube (33) sidewall and an end is contained in, main chain dish (22), the outside of carrying grain ear are equipped with in its end in holder orientation has coaxial chain drum (24), termination that skewed slot wheel (25) is arranged, and in this skewed slot wheel (25) shift fork (26) that connects with movable knife bar (27) is housed.

6, according to the described Backpack miniature harvester of claim 1, it is characterized in that: described grain ear transport tube (33), the trough-shaped housing open for the other end of open-top, end sealing, close grain ear conveying box, that the back wall tipping has grain ear baffle plate (37).

7, according to the described Backpack miniature harvester of claim 1, it is characterized in that: described grain ear conveying box (15), by shell, cased conveyer belt, be contained on the conveyer belt, the rotating shaft at following two ends is formed, the joint portion of this conveying box (15) top and threshing Lysimachia sikokiana tube (5) is the warehouse entry mouth, be that a kind of elasticity is flexible coupling, upper end rotating shaft one end of conveyer belt is equipped with belt pulley, the rotating shaft two ends are fixed on machine (1) frame by bearing, and the lower end rotating shaft is contained on the left and right sides both sidewalls of grain ear conveying box (15), conveyer belt chain drum (16) is equipped with in the end of this rotating shaft outside a sidewall, and in the end of being fixed in the support (29) on this sidewall traction chain drum (23) is housed.

8, according to the described Backpack miniature harvester of claim 1, it is characterized in that: the power drive system of described complete machine, by the belt pulley (41) on diesel powered output shaft and the axle, the belt pulley (39) of rotating shaft of threshing winch spool and one end and cover hang over the tightening belt (40) on these two belt pulleys; Cover hangs over that threshing winch spool rotating shaft other end belt pulley (42) is gone up, on the belt pulley of fan center's roller end of unidirectional blower fan (21) and the belt conveyor on the spiral propeller termination belt pulley of grain transmission tube (20); Cover hang over that threshing winch spool (4) rotating shaft other end belt pulley (3) is gone up and conveyer belt on belt conveyor on the belt pulley of roller end; Cover hangs over the driving-chain on grain ear conveying box (15) lower end conveyer belt chain drum (16) and this case bottom bracket (29) end traction chain drum (23), and press and to be inserted on this driving-chain the conveying grain ear main chain dish (22) of adaptive spiral propeller (34) end mutually, and cover hangs over that its chain drum coaxial chain drum in the outside (24) is gone up and grain lifter (31) central shaft (30) end chain drum (28) on driving-chain form.

9, according to the described Backpack miniature harvester of claim 1, it is characterized in that: in frame (1)) on be equipped with adjust the harvesting mechanism height about two lifting tooths (18), (13), link (35) in one of them lifting tooth (13) and the grain ear transport tube on spiral shell strand propeller (34) the one end axles matches, and another lifting tooth (18) is pitched (17) with the extension on grain ear conveying box (15) back wall and matched.

10, according to the described Backpack miniature harvester of claim 1, it is characterized in that: the end in frame is equipped with operating grip (12), this flexible handle is contained on the framework of frame by fulcrum 0, and the handle of spring (43) connecting frame and fulcrum 0 leading portion arranged, in handle (12) rear end pinch roller (38) is housed, also is equipped with on the framework in running order handle (12) is blocked fixing jump ring (44).