JP2518979B2 - Tightening ratchet device for lashing rigging - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tightening ratchet device for a lashing cord and a winding shaft for the lashing cord which is rotatably supported by a console and the winding shaft. A locking lever rotatably supported on the shaft and acting as a rotary drive; a detachable one-way toothed ratchet mechanism for transmitting a rotary drive between the locking lever and the winding shaft; A unidirectional tooth-row ratchet mechanism, which is also dissociable and acts as a reverse rotation preventing mechanism at the time of tightening with the winding shaft, is provided, and (a) the winding shaft rotates together with the winding shaft. Possible, having a ratchet for the one-way toothed ratchet mechanism, (b) the clamping lever bearing a drive slider brought into engagement with the ratchet under return pressure. The console is displaced in the circumferential direction and receives the return pressure. Support two locking sliders brought into engagement with the ratchet wheel, and d) the tightening lever simultaneously disengages both locking sliders from the peripheral surface of the supporting end. Holds a control cam that works for that purpose, and in a state where the drive slider is disengaged from the ratchet wheel, the control cam alternates between the two locking sliders by a tightening lever turning motion in the tightening direction. Regarding the type of loading.

[0002]

2. Description of the Related Art A tightening ratchet device for a lashing rigging of such a type applies a lashing tightening force required for securing a cargo, for example, to the lashing rigging via a ratchet mechanism. Load step-by-step. Such a fixed cordage is formed, for example, as a fiber tie cord, a chain, a steel cord, a rope or the like.

The ratchet mechanism of the tightening ratchet device known from DE-A-3344487 has a ratchet wheel with a one-way toothing and a side-by-side extension extending parallel to one another and mounted on a common guide slit. It consists of two locking sliders. By using both locking sliders, a relatively large tooth pitch angle is maintained to reduce the locking jump of the ratchet mechanism (Lueg).
"Lexikon der Technik" by er,
1st edition, 1960, p. 530).

Since the lashing and tightening force in this known lashing and ratchet device can be increased in a small step, it is possible to apply a high lashing and tightening force to the lashing rigging. However, when the lashing rigging is loosened, the effective lashing tightening force that acts on the lashing rigging is shockedly reduced. At the time of transportation, even with a high lashing and tightening force, there is a risk that the lashing rigging will be subjected to a load-like tightening force due to deviation of the load. As a result, the "lashing effect" is applied to the lashing cord when loosening it.
Occurs. Such a whipping effect poses a relatively high risk of injury to the unloader handling the cargo, which in turn leads to safety issues.

Another disadvantage of the known ratchet mechanism is that the slipped load is no longer firmly held by the lashing rig after the ratchet mechanism is released.

[0006]

SUMMARY OF THE INVENTION An object of the present invention is to improve a tightening ratchet device of the type described at the beginning to provide a tightening ratchet device whose safety and convenience of use are improved. Is.

[0007]

In order to solve this problem, in the structure of the present invention, both of the locking sliders are effective in the rotational direction and are equal to 0.5 times the tooth pitch or a plurality of 0.5. It is slidable in a separate console guide provided on the console with a mutual spacing of double, and adjacent to the control cam in the circumferential direction, the respective locking sliders are selectively disengaged. The disengagement protrusions for this are arranged.

[0008]

The means according to the invention resides in that the tightening ratchet device comprises two one-way toothed ratchet mechanisms. The ratchet wheel, which is rigidly connected to the winding shaft and has a one-way tooth arrangement, serves as a common locking member for the two-way one-way toothed ratchet mechanism. A drive ratchet mechanism, which acts between the tightening lever and the winding shaft, has a drive slider, which is mounted on the tightening lever so as to be slidable in the longitudinal direction and which engages the tooth row in the form of a driver. The slider serves to drive the winding shaft to rotate. A reverse rotation preventing ratchet mechanism that works between the console and the take-up shaft is slidably supported by the console in the longitudinal direction, and is arranged so as to be offset from the peripheral surface of the ratchet wheel.
It has one locking slider as a locking member. Two locking sliders movably supported in different console guide slits are distributed on the peripheral surface of the ratchet wheel so that the two locking sliders alternately engage the ratchet wheel. That is, when one locking slider is engaged with the ratchet wheel, the other locking slider is disengaged from the ratchet wheel.

In such a locking slider arrangement type, as in the known prior art, the winding shaft has a tooth pitch of 0.
Advantageously, it is possible to tighten in small steps corresponding to 5 times or multiples of 0.5. Therefore, the tightening force required for each tightening pitch is reduced, which is advantageous. In this case, with respect to the functionality of the tightening ratchet device, this step is 0.5 times, 1.5 times, 2.5 times, or 3.5 times the tooth pitch. It doesn't really matter if it's minutes.

The basic idea of the present invention is not only to increase the lashing and tightening force acting on the lashing cord in a step-by-step manner, but also to decrease it in a step-by-step manner. The tightening lever for rotating the winding shaft via the drive slider is rotatably supported on the winding shaft at its supporting end, and projects radially from the peripheral surface of the supporting end. It has a disengagement protrusion. In order to reduce the lashing and tightening force that loads the lashing cord in a step-by-step manner, the drive slider is deactivated in the disengaged position with the tooth row, and the tightening lever moves away from the console in the tightening direction. In this case, the engagement release projections release the engagement with the tooth row of one of the locking sliders, and move the locking slider to the engagement releasing position. By alternately turning the tightening lever in the tightening direction and the direction opposite to the tightening direction, both locking sliders are alternately deactivated.

On the basis of the reciprocating movement of the tightening lever, the tightening and tightening force applied to the tightening cord is reduced step by step. That is, the lashing rigging can be loosened step by step. For the purpose of securing the cargo to be transported, even if it is slipped during transportation or when loosening the rigging, it is confirmed that the cargo is no longer securely placed on the transportation surface. To re-tighten the tether, the drive slider need only be actuated again by moving it to the dentition. When the cargo to be transported is again loaded with full lashing and tightening forces,
It is possible to take the necessary measures to safely unload slipped transport cargo without pressure on time. That is, a great advantage of the tightening ratchet device according to the present invention is that the use safety when loosening the lashing rigging at the time of unloading a transportation cargo is enhanced. Furthermore, it is advantageous that the whipping effect is also avoided by repeated unlocking of the tightening ratchet device.

According to the second aspect of the present invention, the engagement releasing projection is adjacent to the control cam so as to precede the control cam in the tightening direction, that is, the engagement releasing projection is engaged first before the control cam. Adjacent to load the stop slider. Therefore, in order to load the clamping slider with the control cam, the clamping lever has to be moved further in the direction away from the console. Due to this adjacent position of the disengagement projection and the control cam, the handling of the tightening ratchet device is additionally improved. First, the tightening lever mounted on the console swings in the tightening direction to the locking range of the tightening ratchet device. By subsequently turning the tightening lever in the tightening direction, the tightening lever reaches the lock release range. In this lock release range, the engagement release protrusions alternately move the lock sliders,
The engagement with the tooth row of the ratchet wheel is released. If the lashing and tightening force is reduced and the lashing rigging is only loosely wrapped around the cargo to be transported, both locking sliders are simultaneously moved through the control cams by simultaneously pivoting the tightening lever in the tightening direction. Is disengaged from. The lashing cord wrapping body still remaining on the winding shaft can be easily fed out from the winding shaft by simply pulling the lashing cord. The configuration according to claim 2 enables the locking position, the locking release position, and the opening position of the tightening lever to be arranged in front of each other and to be easily arranged in operation.

Claims 3 to 5 describe a technically convenient and structurally simple construction of the tightening lever. The handgrip located at the grip end on the side opposite to the tightening lever bearing end acts as a lateral connection between the side walls of the tightening lever on the one hand and a handgrip for pivoting the tightening lever on the other hand. Work as. Due to this configuration of the tightening lever, the intrinsic weight of the tightening lever is advantageously reduced.

The transverse coupling yoke, which is fitted over the side walls of both clamping levers, further stabilizes the structure of the clamping lever, ie acts as a sturdy receiver for the pressure-loaded drive slider. The drive slider is easily displaceable from the dentition by a U-shaped grip member. For this purpose, the hand grip and the U-shaped grip member are supported by the hand grip of the operator to move the drive slider from the tooth row, and the middle finger and the ring finger grip the U-shaped grip member. It is arranged so that the drive slider can be moved in the longitudinal direction by pulling up the character-shaped grip member in the direction of the handgrip.

Claims 6 to 9 describe a structurally simple and technically advantageous construction of the console.
The console has a low specific weight compared to its robustness. Due to the free ends of both consoles being formed into a fork shape, the lashing rigging fixed end can be easily fixed in position on the console on the one hand, and the winding shaft can be easily introduced to the console on the other hand. . However, it is also possible to assemble the console at its fixed free end directly on the vehicle, for example on the loading surface of a lorry.

Furthermore, a symmetrical construction of the tightening ratchet device, as defined in claim 9, is also advantageous. Due to the symmetry, many identical components can be used, which reduces the manufacturing part costs for the tightening ratchet device. In addition, the symmetrical construction of the tightening ratchet device results in a symmetrical force distribution of the tightening ratchet device when a fastening lashing force is applied.

According to the tenth and eleventh aspects, it is prevented that the tightening lever is accidentally excessively rotated in the tightening direction so that the tightening lever is accidentally moved from the tightening range to the unlocking range. To be done.

The structure of the unlocking range according to claims 12 to 15 improves the convenience and the safety of use of the tightening ratchet device. In order to loosen the binding and tightening force, the tightening lever may be pivoted to the unlocking range and reciprocated between the partition stoppers. When the drive slider comes into contact with either one of the two partition stoppers, the winding shaft is returned in the direction opposite to the tightening direction by 0.5 times the tooth pitch or a plurality of 0.5 times. Therefore, the step-by-step relaxation can be performed easily and reliably.

Due to the construction of the locking slider according to claims 16 to 20, the mode of operation of the tightening ratchet device is further improved. The locking slider thus formed can be easily moved in the longitudinal direction between the two end positions, and a high force can be transmitted. The locking slider can be easily assembled in the console guide slit provided in the console to form a tough and durable shaped connection or fitting with the console.

The curved construction of the locking slider according to claims 21 to 23 reduces the construction height of the tightening ratchet device. The flat structure tightening ratchet device is particularly suitable for fiber staking rigging. Furthermore, due to its relatively small construction height, the tightening ratchet device requires very little shipping or storage space. Furthermore, since the tightening ratchet device does not overhang the lashing rigging so much, the risk of injury is reduced, and thus the use safety of the tightening ratchet device is increased.

[0021]

Embodiments of the present invention will now be described in detail with reference to the drawings.

The tightening ratchet device according to the present invention mainly comprises a base body formed as a console 1, a tightening lever 2, two ratchet wheels 3, 3 ', and a take-up shaft 4 for holding both ratchet wheels 3, 3'. And consists of. The ratchet wheels 3, 3 ′ form a reverse rotation preventing ratchet mechanism together with two locking sliders 5, 5 ′ supported on the console 1.

The console 1 has two console side walls 7, 7'extending in the longitudinal direction 6 and both console side walls 7, 7 '.
And a console bottom 9 which joins in the lateral direction 8. In this case, the transverse direction 8 extends at right angles to the longitudinal direction 6. Console bottom 9 and both console sidewalls 7,
7'forms a U-shaped transverse section extending in the transverse direction 8. Both console side walls 7, 7'project beyond the console bottom 9 in the longitudinal direction 6 at the free end of the console 1,
It extends like a fork.

At the free end of the console 1 for fixing, a bolt 10 extends laterally 8 through the console side walls 7, 7 '. The bolt 10 serves to fasten the lashing fixture fixing end (not shown), which is preferably formed as a loop. At the shaft free end 28, 28 'of the console 1 on the side opposite to the fixing free end, a pin-shaped winding shaft 4 in the transverse direction 8 has a bearing eye provided on the console side wall 7, 7'. Penetrates. The winding shaft 4 has two half-split pins 11,1.
1 ', and the two half-pins 11, 11' each have a substantially semicircular cross section extending in the longitudinal direction 6. Due to this semi-circular cross section, each half-pin 11,1
Flat surfaces 12, 12 'extending in the lateral direction 8 and circular surfaces 13, 13' also extending in the lateral direction 8 are formed in 1 '. The halved pins 11, 11 ′ are the flat surfaces 12, 1 to which they belong.
The two 2's face each other and the circular surfaces 13, 13 'are assembled back to back to form a winding shaft 14. The flat surfaces 12, 12 'are not located in contact with each other but are spaced apart from each other, in which case a gap is formed between the flat surfaces 12, 12'. Serves as the introduction slit 14.

At the radii of the ratchet wheels 3, 3 ', one tooth row 3 each
3 is processed and formed. The ratchet wheels 3, 3 ′ have in their core two cutouts of semicircular cross section, the flat lines of these cutouts being located opposite each other and the rounded lines being close to each other. It is located back to back.
The shape and dimensions of this semi-circular hollow cross section are divided into half pins 11,
It corresponds approximately to the volume cross section of 11 '. Half pin 1
Numerals 1 and 11 'pass through the notches provided in the ratchet wheels 3 and 3'in a loose fit manner. The ratchet wheels 3 and 3'are attached to the winding shaft 4 so as to be juxtaposed in parallel with the outer walls of the console side walls 7 and 7 '.

The winding shaft 4 also penetrates the fork-shaped bearing end of the tightening lever 2, in which case the ratchet wheel 3,
3'is supported between the outer surface of the console side walls 7, 7'and the inner surface of the tightening lever side walls 15, 15 '. Winding shaft 4
Is prevented from slipping in the lateral direction 8 outside the tightening lever side walls 15, 15 'by one position fixing pin 43 penetrating the winding shaft 4 in the longitudinal direction 6, and at the same time tightening with the console 1. It is kinematically connected to the lever 2.

At the grip end of the tightening lever 2 on the side opposite to the take-up shaft 4, a hand grip 16 straddling the tightening lever side walls 15 and 15 'is fixed. A transverse coupling yoke 17 extending in the transverse direction 8 is fixed between the two clamping lever side walls 15, 15 'approximately in the middle between the handgrip 16 and the winding shaft 4 when viewed in the longitudinal direction 6. . This lateral coupling yoke 17 is penetrated in the direction of the handgrip 16 by a U-shaped grip member 18 of a drive slider 19. The drive slider 19 extends in a grip direction 20 defined by the winding shaft 4 that is one end point and the hand grip 16 that is the other end point. From the drive slider 19 in the direction of the handgrip 16, ie in the grip direction 20, the centering pin 2
1 is protruding. The centering pin 21 is surrounded by a coil-shaped spring member, that is, a coil spring 22. This coil spring 22 causes the drive slider 19 to move in the grip direction 20 towards the winding shaft 4 on the basis of its spring force, in which case the lateral coupling yoke 17 acts as a receiver.

The drive slider 19 is provided with the tightening lever side wall 15,
The slider guide slits 23, 23 ′ provided in 15 ′ extend in the lateral direction 8 and extend in the grip direction 20. In this case, the drive slider 19 is slidable in the grip direction 20 in the longitudinal direction. , 15 '. The drive slider 19 together with the ratchet wheels 3, 3 '
A drive ratchet mechanism for rotationally driving the winding shaft 4 by the tightening lever 2 is formed.

A guide portion 24 projects from the console bottom 9 in a dovetail shape at right angles to the longitudinal direction 6 and the lateral direction 8. This guide part 24 is penetrated in the longitudinal direction 6 by two bearing openings 25, 25 '. A pin-shaped projection 26, which extends in the longitudinal direction 6 and is provided on one locking slider 5, is fitted into one of the support openings 25.
The other bearing opening 25 'extends substantially in the longitudinal direction 6,
Pin-shaped projection 26 'provided on the other locking slider 5'
Is inserted.

The locking sliders 5 and 5'are connected to each other by the winding shaft 4
Are arranged as two legs of an acute virtual angle having vertices that substantially coincide with the rotation axis of the. The mutual spacing between the two locking sliders 5 and 5'is 1. The tooth pitch p shown in FIG.
It is equivalent to 5 times. The locking sliders 5, 5 'penetrate the console side walls 7, 7'in the lateral direction 8 and in the longitudinal direction 6 console guide slits 41, 41' / 42, 4 '.
2'is slidably supported. Console guide slits 41, 41 '/ 42, 42' extending in the longitudinal direction 6
Are machined on the console side walls 7, 7 '.

Guide portion 24 and each locking slider 5;
One compression spring member is inserted between each of them and 5 '. This compression spring member is a coil spring member 27 that spirally surrounds the pin-shaped projection 26 in the case of one locking slider 5, and the pin-shaped projection 26 'in the case of the other locking slider 5'. Coil spring member 27 'surrounding spirally
Is. The guide portion 24 is a coil spring member 27, 27 '.
And acts as a receiver for the locks 5, 5 ', by virtue of their spring force, towards the ratchet wheels 3, 3'.

As shown in FIG. 2, the console side wall 7,
The peripheral surface of the shaft free ends 28, 28 'of 7'has a shape formed of a plurality of parts. Shaft free ends 28, 28 '
The cross-section of the peripheral surface of the shaft extending in the lateral direction 8 in the range of the winding shaft 4 first extends in the shape of an arc in the range of the winding shaft 4 when the locking sliders 5, 5'are used as starting points. The center point of the circular arc coincides with the center point of the ratchet wheels 3, 3'or the center point of the winding shaft 4. The diameter of this locking range 29 of about 1/4 arc provided on the peripheral surface of the shaft free ends 28, 28 'is the diameter of the base portion (d) of the tooth row 33 provided on the ratchet wheels 3, 3'. _It has a partial circle diameter corresponding to _f ). The tightening lever 2 is moved by the handgrip 16 from the console 1 in the tightening direction 3
When it is moved in the direction of leaving 0, this tightening lever 2
Is about 80 ° with respect to the console 1. In this case, the drive slider 19 contacts the tightening stopper 31 at the end of the arcuate locking range 29. This movement of the tightening lever 2 in the tightening direction 30 causes the winding shaft 4 to move in the tightening direction 30.
It is rotated about 1/4 turn. Drive slider 1
When 9 abuts against the tightening stop 31, the tightening lever 2 must be returned in the direction of the console 1 in the direction opposite to the tightening direction 30. At this time, the drive slider 19
The teeth of the tooth row 33 slide along the rounded chamfered front tooth surface 32 in the direction opposite to the tightening direction 30. At the same time,
One of the two locking sliders 5, 5'is behind a straight rear tooth surface 34 provided on another tooth of the tooth row 33 and extending substantially parallel to the radial line of the ratchet wheel 3, 3 '. Engage from.
When the ratchet wheels 3, 3 ′ are subsequently driven by the drive slider 19 in the clamping direction 30, the locking sliders 5, 5 ′ themselves slide along the rounded chamfered front tooth row 32 of the tooth row 33. In this case, the one locking slider 5 and the other locking slider 5 ′ have a tooth pitch p of 0 ..
After rotation corresponding to 5 times, the rear tooth surface 34 of the corresponding tooth is alternately engaged from behind. For tightening, the lashing rigging fixed to the introduction slit 14 of the winding shaft 4 is wound around the winding shaft 4 several times, and a predetermined rotation is performed until a required lashing tightening force is applied. The drive lever 19 is reciprocated between the console 1 and the tightening stopper 31 by using the tightening lever 2 until the winding shafts 4 are fed by the number.

In order to repeatedly release the ratchet mechanism,
First, the drive slider 19 is moved by the tightening lever 2 until it comes into contact with the tightening stopper 31. Then, the U-shaped grip member 18 pulls the drive slider 19 in the grip direction 20 from the tooth row 33 to a position where the drive slider 19 can move past the tightening stopper 31. The peripheral surface of the shaft free ends 28, 28 'has a locking range 2
9 has locking release areas 35 adjacent to each other in the tightening direction 30. As shown in FIG. 3, this unlocking range 3
5 has a rounded circular cross section in the transverse direction 8. The diameter of the cross section is larger than the addendum diameter (d _a) of the ratchet wheel 3, 3 '. Unlocking range 3
The partition 5 is partitioned by partition stoppers 36 and 36 '.

The clamping lever 2 is continuously moved in the clamping direction 30 after the drive slider 19 is lifted. As shown in FIG. 4, the coil spring 22 presses the drive slider 19 into the unlocking range 35. The drive slider 19 has an end surface on the side opposite to the U-shaped grip member 18 and has an unlocking range 35.
To form a slide guide together with the unlocking area 35. At the same time, the tightening lever 2 is integrally formed on the peripheral surface of the bearing end of the tightening lever 2 in the grip direction 20.
The engagement release projections 37 protruding from the locking sliders 5, 5 '
Contact with. As the drive slider 19 is shown in FIG.
When it abuts on one of the partition stoppers 36, the engagement release projection 3
7 contacts the end face of the corresponding locking slider 5 ′, in which case this locking slider 5 ′ is moved towards the guide part 24 and disengaged from the teeth of the tooth arrangement 33. At the same time, the winding shaft 4 returns in the direction opposite to the tightening direction 30 by a rotation distance corresponding to 0.5 times the tooth pitch p, and as a result, the second locking slider 5 corresponds to the tooth row 33. The rear tooth surface 34 of the tooth to be engaged is engaged from behind.

The drive slider 19 is moved by the tightening lever 2 in the direction opposite to the tightening direction 30 to the second partition stopper 36 '.
When it is moved up to (see FIG. 6), the disengagement protrusion 3
7 contacts the second locking slider 5, in which case this locking slider 5 is disengaged from the corresponding teeth of the tooth row 33. The take-up shaft 4 is driven by the cord tension and returns by the number of rotations corresponding to 0.5 times the tooth pitch p, after which the first locking slider 5 ′ is again moved to the corresponding tooth of the tooth row 33. The rear tooth surface 34 is engaged from behind.

As shown by the double arrow 38 in FIG. 7, the tightening lever 2 is moved in the direction opposite to the tightening direction 30 and in the tightening direction 30.
By alternately reciprocating, the locking sliders 5 and 5 ′ are alternately engaged with the tooth row 33, while the fastening is loosened step by step. If the lashing rigging can be loosened from the transport cargo without problems, the drive slider 19
Is moved in the grip direction 20 in the direction of the handgrip 16 by the U-shaped grip member 18, and the tightening lever 2 is subsequently rotated in the tightening direction 30. In this case, the console 1 and the tightening lever 2 have an opening angle of about 180 °, as shown in FIG. On the end surface of the console 1, the tightening direction 30 is provided on the peripheral surface of the shaft free ends 28, 28 '.
The locking groove 39 is formed along with the locking release area 35 as seen in FIG. The drive slider 19 projects into and is locked by the locking groove 39 at the opening angle of 180 °. At this opening angle, the locking sliders 5, 5'are moved in the gripping direction 20 in the direction of the guide part 24 by means of a control cam 40 which is integrally formed on the peripheral surface of the bearing end of the tightening lever side walls 15, 15 '. , In this case, the two locking sliders 5 and 5'include the tooth row 3
Disengagement with the corresponding tooth of each of the three.

In FIGS. 1 to 8, 2 corresponding to the number of teeth of 15 is shown.
An example of a ratchet device with a tooth pitch angle p of 4 ° is shown. However, in another embodiment (not shown), this ratchet device is realized with a tooth pitch angle p of 33 ° corresponding to 11 teeth.

In principle, any other tooth pitch angle p is feasible. At large tooth pitch angles p, the disengagement projections 37 have a small slope, which requires very little force to disengage the locking sliders 5, 5 '. At the same time, the mutual distance between the two locking sliders 5, 5'increases, in which case the overall height of the ratchet device increases.

On the other hand, when the tooth pitch angle p is small, the disengagement protrusion 37 has a sharp high slope, which is used to disengage the locking sliders 5 and 5 '. , Requires relatively large force. At the same time, however, the mutual distance between the two locking sliders 5, 5'decreases, in which case the entire ratchet device is made very flat.

In a special embodiment of the tightening ratchet device shown in FIG. 9, the locking sliders 50, 50 'are constructed in a curved manner. The drive slider 190 is also curved similarly to the first locking slider 50 '. The curved locking sliders 50 and 50 'are supported by the curved console guide slits 410 and 420. Also, the curved drive slider 19
0 is also supported by the curved slider guide slit 230.

The locking sliders 50, 50 'are supported on their respective end faces on the side opposite to the ratchet wheel 3, in contact with each one spring leg of the leg spring 270 arranged in the transverse direction 8. The leg spring 270 is space-savingly inserted between the concave surfaces of the curved locking sliders 50, 50 '.

The locking sliders 50, 50 'are provided with console guide slits 410, which are formed in the shape of an annular segment.
When moved in 420, the locking slider 50,
50 'carries out a swiveling movement, which is in the longitudinal direction 6
And a motion component in the height direction 44. The height direction 44 extends at right angles to both the longitudinal direction 6 and the lateral direction 8. That is, the locking sliders 50, 50 'curved around the bending axis extending in the lateral direction 8 in the plane of the drawing of FIG. 9 are composed of the motion component in the longitudinal direction 6 and the motion component in the height direction 44. Perform a turning motion. The pivoting movement of the curved locking sliders 50, 50 'is performed so as to partially pivot about the leg spring 270. Curved drive slider 190 in curved slider guide slit 230
The motion characteristics of the curved locking sliders 50, 50 '
It is performed in the same way as the exercise of. Therefore, with this special embodiment, it is possible to realize a ratchet device with a large tooth pitch p and a disengagement projection 37 with a small slope without constructing the ratchet device too high.

[Brief description of drawings]

FIG. 1 is a perspective view of the entire tightening ratchet device according to the present invention.

FIG. 2 is a principle view showing a tightening process.

FIG. 3 is a principle diagram of a ratchet mechanism at the time of transition from a locking range to a locking release range.

FIG. 4 is a principle diagram of a ratchet mechanism in a lock release range.

FIG. 5 is a principle view of the ratchet mechanism in the unlocked position that is maximum opened in the unlocked range.

FIG. 6 is a principle view of a ratchet mechanism in a closed unlocked position in an unlocked range.

FIG. 7 is a principle view of the entire ratchet device at a step-by-step type unlocking position in an unlocking range.

FIG. 8 is a principle view of the entire ratchet device in a fully opened position with a 180 ° opening angle of the tightening lever with respect to the console.

FIG. 9 is a side view showing a special embodiment of a tightening ratchet device with a curved locking slider.

[Explanation of symbols]

1 console, 2 tightening lever, 3,3 'pawl wheel, 4 winding shaft, 5, 5'locking slider, 6
Longitudinal direction, 7,7 'Console side wall, 8 Lateral direction,
9 console bottom, 10 volt, 11,1
1'half pin, 12,12 'flat surface, 13,1
3'circular surface, 14 introduction slits, 15, 15 '
Tightening lever side wall, 16 hand grip, 17 lateral coupling yoke, 18 U-shaped grip member, 19 drive slider, 20 grip direction, 21 centering pin, 22 coil spring, 23, 23 'slider guide slit, 24 guide portion, 25, 2
5'bearing opening, 26,26 'pin-shaped projection, 2
7, 27 'Coil spring member, 28, 28' Shaft free end portion, 29 Locking range, 30 Tightening direction, 31
Tightening stopper, 32 front tooth surface, 33 tooth row, 34
Rear tooth surface, 35 locking release range, 36, 36 'partition stopper, 37 engagement release protrusion, 38 double arrow,
39 locking groove, 40 control cam, 41, 41 '
Console guide slit, 42, 42 'Console guide slit, 43 Position fixing pin, 44 Height direction, 50, 50' Locking slider, 190 Drive slider, 230 Slider guide groove, 270
Leg spring, 410, 420 console guide slit, p tooth pitch, _{d f} base circle diameter, _{d a}
End circle diameter

Claims (23)

(57) [Claims] 1. A tightening ratchet device for lashing rigging.
It is fixed to the console (1) so that it can rotate.
Winding shaft (4) for tying cord and swiveling around the winding shaft (4)
Locking lever, which is supported as possible, acts as a rotary drive
(2), the tightening lever (2) and the winding shaft (4)
Unidirectional dentition ratchet for rotary drive transmission between two
Mechanism, a console (1), and the winding shaft (4)
Between, also acts as a reverse rotation prevention mechanism during tightening, also dissociation
With a possible one-way toothed ratchet mechanism
B ) The winding shaft (4) rotates together with the winding shaft (4)
Possible ratchet wheel for said one-way toothed ratchet mechanism
(3) and (3) b) the tightening lever (2) receives the return pressure and receives the ratchet wheel.
Drive slider brought into engagement with (3,3 ')
(19) is supported, and (c) the console (1) is displaced in the circumferential direction to return pressure.
Received and brought into engagement with the ratchet wheel (3, 3 ')
Two locking sliders (5, 5 ') are supported, and d) the tightening lever (2) is attached to the peripheral surface of the bearing end thereof.
Disengage both locking sliders (5, 5 ') at the same time
Holding a control cam (40) that works for
The slider (19) is released from the engagement with the ratchet wheels (3, 3 ').
In the released state, the control cam (40) moves in the tightening direction (3
By means of the tightening lever turning movement in 0),
Smell of the type in which riders (5, 5 ') are loaded alternately
Te, e) the two locking slide (5, 5 ') is closed in the direction of rotation
Effective, 0.5 times the tooth pitch or multiple times 0.5
Provided on the console (1) with a mutual spacing of minutes
Separate console guides (41, 41 ', 42, 4
2 ') is slidable, and f) is adjacent to the control cam (40) in the circumferential direction, and is engaged with each other.
Selectively disengaging the sliders (5; 5 ') respectively
A disengagement protrusion (37) for
A tightening ratchet device for lashing rigging. 2. The disengagement protrusion (37) is the control
So as to precede the cam (40) in the tightening direction (30)
First of all, adjacently, that is, before the control cam (40).
The engagement release protrusion (37) loads the locking slider (5, 5 ').
So that they are arranged adjacent to each other on the peripheral surface of the tightening lever bearing end.
The tightening ratchet device according to claim 1, which is provided. 3. The tightening lever side wall (15, 15 ') is substantially formed.
They extend parallel to each other and are free of force at the free end of the tightening lever.
Protruding from the tightening lever (2) in a hook shape,
At the grip end opposite to the bearing end,
The wall (15, 15 ') is parallel to the winding axis (4)
The handgrip (16) straddling in the direction (8) is fixed in position.
The tightening ratchet device according to claim 1 or 2. 4. Between the bearing end and the grip end.
Box-shaped lateral connection extending in the lateral direction (8) in the range of
A yoke (17) is provided, said lateral coupling yoke
(17) is open in the direction of the winding shaft (4), and
Straddle both side walls (15, 15 ') of the tightening levers.
4. The method according to any one of claims 1 to 3, which is bound to
The tightening ratchet device described. 5. The drive slider (19) is a tightening lever.
-Slider guides provided on the side walls (15, 15 ')
The lateral coupling yoke (1
7) Can be moved in the longitudinal direction by being loaded with spring pressure.
It is supported by the drive shaft on the side opposite the winding shaft (4).
An end surface of the lid connects the drive slider (19) in the lateral direction.
U for longitudinal movement in the direction of the compound yoke (17)
5. An article according to claim 4, which holds a letter-shaped gripping member (18).
The tightening ratchet device. 6. A console (1) back to back with respect to each other.
The free end located is formed in the shape of a fork.
The console (1) can be seen in the lateral direction (8) between the two ends.
A leg having a U-shaped cross section, the leg having the U-shaped cross section
The parts are arranged substantially parallel to each other when viewed in the longitudinal direction (6).
Forming the side wall (7,7 ') of the console,
The base of the cross section of the shape forms the console bottom (9)
The tightening ratchet according to any one of claims 1 to 5.
Equipment. 7. The console side wall (7, 7 ') is a connector.
Free end for fixing the sole (1), especially with the belt loop
To secure the lashing rigging fixed end formed by, Bo
The take-up shaft is pierced by
(4) is an axial free end on the side opposite to the fixed free end
In the part (28, 28 '), the console side wall (7,
7 ') is supported by a bearing eye provided in 7').
The tightening ratchet device described in 6. 8. An outer surface of the console side wall (7, 7 ')
And the inner surface of the side wall (15, 15 ') of the tightening lever.
Then, the two ratchet wheels (3, 3 ') are fitted into the winding shaft (4).
Are connected to the winding shaft (4) in a shape-connecting manner, that is, by engaging.
Claims 1 to 7, which are combined
Tightening ratchet device. 9. The tightening ratchet device has a longitudinal direction (6).
Axisymmetric structure with respect to its central longitudinal axis
And the take-up shaft (4) has two claw wheels (3, 3 ').
Holds two console sidewalls and two corresponding
Two tightening lever side walls (15, 15 ') are provided.
The tightening ratchet according to any one of claims 1 to 8.
Equipment. 10. The tightening lever (2) is in its rest position.
The cover is placed on the console (1),
To drive the winding shaft (4) to rotate in the tightening direction (30)
Can swivel up to 80 ° to console (1)
End face of the drive slider (19)
Locks the tooth row (33) provided on the ratchet wheel (3, 3 ')
10. The tooth according to claim 1, which engages from behind.
The tightening ratchet device according to item 1. 11. The drive slider (19) is provided with the tightening means.
Engaging the tooth row (33) at the 80 ° position of the lever (2)
The radial direction from the peripheral surface of the shaft free end (28, 28 ').
Contacting the tightening stopper (31) protruding toward
The tightening ratchet device according to claim 10. 12. The tightening lever (2) is tightened in the tightening direction (30).
You can turn further beyond the 80 ° position.
In order to ensure that the drive lever (19)
Length of lever (2) in the direction of handgrip (16)
Can be lifted from the tooth row (33) by directional movement
At this disengaged position, the tightening stopper (31)
12. The tightening ratchet according to claim 11, wherein the contact to be released is releasable.
Equipment. 13. The shaft free ends (28, 28 '),
The tightening stopper (3) provided on the console (1)
The area adjacent to 1) in the tightening direction (30) is the adjacent ratchet wheel.
Radially surpasses the addendum diameter (d _a ) of (3,3 ′)
And the area is convexly rounded.
The end surface of the drive slider facing the ratchet wheel (3, 3 ')
13. The tightening lath according to claim 12, which forms a sliding guide of
Chet device. 14. An end surface of a drive slider is attached to the slide guide.
In the contact state, the drive slider (19) is in the non-operating position.
At the same time, the engagement with the tooth row (33) is released.
14. The tightening ratchet device according to claim 13, which is in a position.
Place. 15. The slide guide comprises the shaft free end portion.
Two partition strips projecting radially from (28, 28 ')
Finish in the tightening direction (30) with the topper (36, 36 ').
3. Forming a cut-out unlocking area (35).
Tightening ratchet according to any one of 12 to 14
apparatus. 16. The locking sliders (5, 5 ') are mutually connected.
Set a mutual interval of 1.5 times the tooth pitch (P),
Engages with the tooth row (33) arranged on the ratchet wheel (3, 3 ')
The tightening according to any one of claims 1 to 15.
Ratchet device. 17. The locking sliders (5, 5 ') are
It is located on the axis of rotation of the winding shaft (4) that extends in the lateral direction (8).
Like a leg with a sharp virtual angle that has a vertex to place
Console of console (1), aligned with each other
Length within the guide slit (41, 41 '; 42, 42')
17. The tension according to claim 16, which is supported so as to be slidable in the hand direction.
Fastening ratchet device. 18. The tightening lever (2) and a console
Of ratchet mechanism working between (1) and winding shaft (4)
A first unlocking position is set and the first unlocking position is
In the released position, the drive slider (19) moves to one partition strut.
Is in contact with the lid (36 '), and the engagement release protrusion (3
7) attaches one locking slider (5) to the tooth row (33)
From the disengaged state with respect to
The tightening ratchet device according to any one of 17 to 17. 19. The tightening lever (2) and a console
With the ratchet mechanism that works between (1) and the take-up shaft (4 )
The second unlocking position is set, and the second unlocking position is set.
In the released position, the drive slider (19) moves to the other partition strike.
The disengagement protrusion (3
7) attaches the other locking slider (5 ') to the tooth row (3).
16. The disengaged state for 3) is maintained.
The tightening ratchet device according to any one of 1 to 17
Place. 20. The first unlocking position and the second locking position
Alternate the tightening lever (2) with the unlocked position of
By reciprocating the lashing rigging step by step
20. The method according to claim 18 or 19, which can be relaxed stepwise.
The tightening ratchet device. 21. A double locking slider (50, 50 ') cover
One of which is centered on the curved axis extending in the lateral direction (8)
18. The tension according to claim 16 or 17, which is curved.
Fastening ratchet device. 22. The both locking sliders (50, 50 ')
And the drive slider (190) have an annular segment shape.
Curved into a corresponding annular segment-shaped guide
Guided in the id slit (230,410,420)
22. The tightening ratchet device according to claim 21. 23. The two locking sliders (50, 50 ')
The concave surfaces of the
Idah (50, 50 ') contacts spring leg due to pressure load.
As you can see, between the two locking sliders (50, 50 ')
The leg spring (270) located is fixable in position
Item 23. The tightening ratchet device according to Item 22.