CN102923335B - Tape winding safety device for tensioner - Google Patents
Tape winding safety device for tensioner Download PDFInfo
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- CN102923335B CN102923335B CN201110225517.7A CN201110225517A CN102923335B CN 102923335 B CN102923335 B CN 102923335B CN 201110225517 A CN201110225517 A CN 201110225517A CN 102923335 B CN102923335 B CN 102923335B
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- handle
- feed roller
- tape feed
- stock
- rolled
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Abstract
The invention discloses a tensioner. A foundation and a handle are pivoted through a central spindle; the central spindle is connected with a tape winding wheel and a coil spring; and a long cable is wound on the tape winding wheel. The foundation is provided with a short cable and a clamping piece of an elastic contact tape winding wheel; and the edge of the foundation is provided with a releasing tape winding area and a tensioning operation area. A cam edge of an unwinding clamping piece is formed at the periphery of the handle, and the handle is provided with a hollow part and a pressing piece which is elastically pivoted with the handle, and of which the local part is exposed in the hollow part. The pressing piece is limited by the releasing tape winding area, and a tape is selectively wound at one time or for multiple times; the pressing piece can also be limited by the tensioning operation area, and the tape is wound manually, so that the aims of quickly winding the long cable and guaranteeing the personal safety can be fulfilled.
Description
Technical field
The present invention relates to the technical field of binding, particularly a kind of take-up safety device of hand controller.
Background technology
Known hand controller (or claiming strainer), is common in the place that commodity circulate, and can avoid In transit to be scattered on the ground by the Goods binding in heaps of vehicle carrying together, prevents that commodity are impaired.
The structure of hand controller is quite simple.For example Fig. 1 inserts a tape feed roller 12 between a pedestal 10 and one handle 11, and three is articulated by an axle 13.Pedestal 10 sets firmly a bar 14, is enough to through a tackline 15 and a rolled-up stock 16, and rolled-up stock 16 touches with each tooth 17 of tape feed roller 12 circumference mutually along with elastic force.Pedestal 10 marginal rise one protrusions 18, one holding piece 19 that is hubbed at handle 11 is caused to raw resistancing action, stop holding piece 19 each teeth 17 of contact tape feed roller 12 circumference, allow handle 11 maintain the state near pedestal 10, pushed open a prevention part 23, make the rotation of tape feed roller 12 no longer be subject to preventing part 23 to restrain.Tape feed roller 12 is wound around a long rope 20, long rope 20 is bestowed external force 21 and pulled out toward pedestal 10 outsides, related tape feed roller 12 rotates relative to pedestal 10 according to the direction of arrow, make each tooth 17 push respectively rolled-up stock 16 open and send continuous " noise made in coughing or vomiting " sound, drive the elastic force of a wind spring (accompanying drawing is not painted) savings reinstatement simultaneously.
The take-up of this hand controller, has automatically available with manual two kinds of patterns.Automatic mode as shown in Figure 2,22 pairs of holding pieces of hollow-out parts, the 19 one end application of forces from handle 11, cause holding piece 19 just like seesaw starts the other end, and related rolled-up stock 16 is away from each tooth 17 of tape feed roller 12 circumference.This moment, tape feed roller 12 is freely, by the elastic force of wind spring, according to the direction of arrow, relative to pedestal 10, rotates, and regains fast long rope 20.
Manual mode as shown in Figure 3 again, holding piece 19 is crossed the protrusion 18 at pedestal 10 edges, and then blocks the arbitrary tooth 17 of tape feed roller 12 circumference.Pull the relative pedestal 10 of handle 11 and swing, drive tape feed roller 12 to rotate relative to pedestal 10 according to the direction of arrow, be equivalent to the amplitude of oscillation of 1～4 tooth 17, regain gradually long rope 20.Then, handle 11 is got back to the position near protrusion 18, according to double-head arrow direction, continues crank motion, until long rope 20 completes take-up action.
But this hand controller only has two kinds of take-up patterns, the operation that is available for users to selection is few.Especially, automatic band-retracting pattern discharges the process of wind spring, can be fast and unhinderedly regain long rope, allow rope head (or title coupler body) retract and to cause raw jump phenomena according to inertia, relatively increase operator or arround personnel's accidental injury rate.
Therefore, how to reduce the accidental injury rate of automatic band-retracting, increase take-up pattern simultaneously, just become the present invention's problem urgently to be resolved hurrily.
Background technology: 10-pedestal; 11-handle; 12-tape feed roller; 13-axle; 14-bar; 15-tackline; 16-rolled-up stock; 17-tooth; 18-protrusion; 19-holding piece; The long rope of 20-; 21-external force; 22-hollow-out parts; 23-prevents part;
The present invention: 30-hand controller; 31-tackline; The long rope of 32-; 33-coupler body; 34-housing; 35-mandrel; 36-wind spring; 40-pedestal; 41-riser; 42-holding piece; 43-bar; 44-protrusion; 45-end portion; 46-discharges take-up district; 47-strains operational zone; 48-rectangular opening; 50-handle; 51-hollow-out parts; 52-bluff bit; 53-rolled-up stock; 54-cam edge; 55-stop part; 56-traversing section; Longitudinal section of 57-; 58-protuberance; 60-tape feed roller; 61-spool; 62-fluted disc; 63-hole; 64-tooth; 65-radial face; 66-curved surface; D-distance; S-drop; θ-angle.
Summary of the invention
In view of this, the problem of inventor's further investigated prior art, relies on and is engaged in the experience of research and development and the manufacture of related industry for many years, actively seeks the road of solution, finally successfully develops a kind of take-up safety device of hand controller, to improve the problem of prior art.
Main purpose of the present invention is: adopt gradation take-up means, successively discharge the Ships Turning Ability elastic force of take-up, reduce hand controller automatic band-retracting to operator or arround personnel's accidental injury rate.
Secondary objective of the present invention is: the take-up pattern that increases hand controller.
Because of reaching of above-mentioned purpose, the invention provides a kind of take-up safety device of hand controller, by a mandrel, one pedestal and one handle are articulated, mandrel links a tape feed roller and a wind spring, at tape feed roller, furls a long rope.This pedestal has the holding piece of a tackline and an Elastic Contact tape feed roller, in susceptor edges, is provided with a release take-up district and a tension operational zone.The cam edge of holding piece is backed out in this handle periphery formation one, and there is a hollow-out parts and an elasticity and be articulated in handle and the local rolled-up stock that is exposed to hollow-out parts, this rolled-up stock is limited to and discharges take-up district, can stop tape feed roller to furl long rope, but can be along with long rope is pulled out and rotated, related wind spring savings reset kinetic energy; This rolled-up stock is limited to tension operational zone, along with handle swing order about tape feed roller manual furl long rope.
In more detail, hand controller of the present invention is articulated a pedestal and one handle by a mandrel, mandrel links a tape feed roller and a wind spring, tape feed roller has two fluted discs and a spool, this spool is linked between two fluted discs, in spool, insert a set of long rope at mandrel, long Suo Qiyu part can be wrapped in spool outside.This pedestal both sides bends a riser separately, each riser edge has a protrusion and an end portion, the protrusion release take-up district of caving on one side, between protrusion another side and end portion, be absorbed in the tension operational zone of a restriction handle amplitude of fluctuation, and between two risers, arrange a reciprocating holding piece and a bar, on bar, overlapping a tackline.This handle has a hollow-out parts, handle both sides bend respectively one side by side in the bluff bit of riser, each bluff bit periphery forms one along with handle swings the cam edge that determines that holding piece is backed out, and pivot joint one has elastomeric rolled-up stock between two bluff bits, this rolled-up stock one end is exposed to the hollow-out parts of handle, the other end is limited to tension operational zone, along with handle swing order about tape feed roller manual furl long rope, also can be release take-up district limits, stop tape feed roller to furl long rope, but can be along with long rope is pulled out and rotated, the required kinetic energy of related wind spring savings reset.
Wherein, this rolled-up stock is faced tape feed roller (or fluted disc) and is located outstanding required protuberance.The cam edge of this handle (or bluff bit) swells a stop part, and this stop part is along with handle offsets with the holding piece of Elastic Contact tape feed roller discharging the swing in take-up district.
So, handle can discharge the swing of take-up district, related rolled-up stock jumpily contacts tape feed roller (or fluted disc), causes wind spring to drive tape feed roller (or spool) rotation and the local long rope of automatic rolling according to moment of torsion, until rotation function is pressed part, offsets and stops operating; Hollow-out parts by handle is pressed rolled-up stock, removes the resistance of tape feed roller (or fluted disc) and the moment of torsion of release wind spring remnants, drives tape feed roller (or spool) to collect remaining long rope.
Such hand controller possesses following three kinds of take-up patterns:
[manual mode]
A) swing take-up: with rolled-up stock restriction handle, in tension operational zone, swing, drive tape feed roller is the rotation of set scope simultaneously, furls lentamente the long rope being drawn out.
[automatic mode]
B) take-up: draw close in pedestal in release take-up district with rolled-up stock restriction handle, by the hollow-out parts of handle, press rolled-up stock and remove tape feed roller resistance, once discharge all moments of torsion of wind spring, drive tape feed roller to furl whole long ropes.
C) repeatedly take-up: discharging the swing of take-up district with rolled-up stock restriction handle, related rolled-up stock jumpily contacts tape feed roller, carries out automatic band-retracting step for the first time, offsets and stops operating until rotation function is pressed part, completes long rope part and furls action; Hollow-out parts by handle is pressed rolled-up stock, removes the resistance of tape feed roller, carries out automatic band-retracting step for the second time, discharges the moment of torsion of wind spring remnants, drives tape feed roller to collect remaining long rope.
Above-mentioned three kinds of patterns, take repeatedly take-up automatic mode as good.Because it has take-up concurrently fast and the advantage such as safety, not easy damaged user or arround personnel's limbs.
Below in detail, object, structure and the feature of related embodiment is described in detail based on accompanying drawing, believes technology, means and effect that the present invention adopts, when can by one deeply and concrete understanding.
Accompanying drawing explanation
Fig. 1～3rd, cutaway view, shows existing hand controller with the use state of automatic or manual pattern take-up;
Fig. 4 is block diagram, shows the concrete structure of hand controller the first preferred embodiment of the present invention;
Fig. 5 is cutaway view, and performance hand controller is pulled out the action of long rope;
Fig. 6～9th, cutaway view, the continuous action that repeatedly take-up and rolled-up stock are pushed open by fluted disc automatically of performance hand controller;
Figure 10 is cutaway view, the remaining long rope of performance hand controller automatic rolling;
Figure 11, the 12nd, cutaway view, the continuous action of the manual take-up of performance hand controller;
Figure 13～15th, cutaway view, the continuous action of the performance hand controller relevant rolled-up stock of the second preferred embodiment and fluted disc.
Description of reference numerals:
The specific embodiment
Referring to the hand controller 30 of Fig. 4, Fig. 5, is to be articulated with tape feed roller 60 by pedestal 40, handle 50, determines the straight length of tackline 31 and long rope 32.These tacklines 31 link respectively a coupler body 33 with the external end of long rope 32, are enough to hook on the vehicle or fixed object, by handle 50, shorten two coupler bodies 33 distance to each other, complete the object of restraint of loads, prevent that commodity are impaired.
These pedestal 40 both sides are bent with separately and between riser 41, two risers 41, arrange elastomeric holding piece 42 and bar 43, and riser 41 outsides therein set firmly a take-up device.Each riser 41 marginal rise protrusions 44 and end portions 45, are to discharge take-up district 46 at protrusion 44 on one side, and protrusion 44 another sides 45 are absorbed in and strain operational zone 47 to end portion.Holding piece 42 both sides are inserted corresponding riser 41 and are run through in a rectangular opening 48, according to elastic force, along hole wall, move reciprocatingly.This bar 43 is anchored on riser 41 one end, is overlapping tackline 31 on bar 43.
Aforementioned take-up device is that wind spring 36 warps are inserted housing 34 compositions.These wind spring 36 one end are fixed on housing 34 inwalls and irremovable, and the other end is connected with mandrel 35.Because mandrel 35 possesses the start of synchronizeing relation with tape feed roller 60, therefore wind spring 36 can be realized the effect of the long rope 32 of tape feed roller 60 the automatic recovery.
These handle 50 middle parts form hollow-out parts 51, and there is bluff bit 52 handle 50 both sides, and each bluff bit 52 in corresponding riser 41 inner faces, is articulated by mandrel 35 together with tape feed roller 60 side by side.The elastomeric rolled-up stock 53 of pivot joint between two bluff bits 52, each bluff bit 52 periphery forms cam edge 54, different in size to the distance of mandrel 35 from cam edge 54, and at cam edge 54 protuberance stop parts 55.This rolled-up stock 53 is similar to T shape sheet, and longitudinally section 57 is exposed to hollow-out parts 51 belows of handle 50, and traversing section 56 is crossed over the release take-up district 46 of two risers 41, and at traversing section 56, faces outstanding two protuberances 58 in position of tape feed roller 60.
This tape feed roller 60 is to link and have fluted disc 62 at spool 61 two ends.Spool 61 is enclosed within mandrel 35 outsides, in order to be wound around local long rope 32.A hole 63 is run through in fluted disc 62 central authorities, and hole wall is enclosed within mandrel 35 outsides, supports tape feed roller 60 around mandrel 35 rotations.The some teeth 64 of fluted disc 62 periphery circular row, each tooth 64 has a radial face 65 and a curved surface 66.
Aforementioned mandrel 35 is through long rope 32 ends, and itself and wind spring 36 link together.Take mandrel 35 as the center of circle, make handle 50 draw close pedestal 40 towards bar 43 swings.
Because rolled-up stock 53 is limited to protrusion 44, can be across discharging the crank motion that take-up district 46 is set scope, therefore handle 50 is backed out along the guiding of rectangular opening 48 with the cam edge 54 push card valve parts 42 of bluff bit 52, until stop part 55 props up holding piece 42 backward.This rolled-up stock 53 across on discharge take-up district 46, in the time of away from protrusion 44, relies on protuberance 58 to stop the strength of fluted disc 62 with traversing section 56, makes tape feed roller 60 maintain quiescence together with wind spring 36.This moment, long rope 32 is stressed pulls out both measured lengths along arrow, drives tape feed roller 60 synchronous rotaries, the required elastic force of related wind spring 36 savings reinstatement.
Long rope 32 segmentations are pulled out, and affect tape feed roller 60 to rotate to an angle.Especially, the length that long rope 32 is pulled out is longer, and the torque rating of wind spring 36 savings is larger.But, the protuberance 58 of rolled-up stock 53 always falls between two adjacent teeth 64, and then prop up the wherein curved surface 66 of a tooth 64, and keep distance, d with the radial face 65 of the tooth 64 being close to, this is also less than the spacing distance of adjacent two teeth 64 (hereinafter to be referred as tooth pitch) apart from d.Even if long rope 32 is all pulled out, cause wind spring 36 to be accumulated to maximum torque rating, can not push protuberance 58 open, therefore tape feed roller 60 cannot form actv. rotation function, possess long rope 32 and unclamp at any time, the function that tape feed roller 60 stops operating immediately.
In Fig. 6, the relative pedestal 40 of handle 50 swings, until traversing section 56 props up protrusion 44 along discharging take-up district 46, makes handle 50 swing forward and backward formation one drop S.Meanwhile, along with handle 50 swings, displacement is equivalent to one or above tooth pitch to rolled-up stock 53, related protuberance 58 synchronizing movings that fall between adjacent two teeth 64.This moment, fluted disc 62, under the torsional interaction of wind spring, allows the curved surface 66 of tooth 64 be displaced to both allocations followed by protuberance 58, does not expose to each other gap (or slightly distance), is naturally not enough to push open rolled-up stock 53.Add stop part 55 and leave holding piece 42 along with handle 50 swings, make the cam edge 54 of bluff bit 52 no longer prevent holding piece 42, cause holding piece 42 to touch fluted disc 62 tooth 64 of correspondence around according to elastic force, even block the radial face 65 of tooth 64, stop tape feed roller 60 driven and rotate by long rope 32.In other words, tape feed roller 60 is hampered by holding piece 42 and protuberance 58, keeps actionless state.
In order to help reader to understand following continuous action, according to English alphabet, compile A tooth, B tooth, C tooth ....
From Fig. 7, can find, tape feed roller 60 touches protuberance 58 with the curved surface 66 of C tooth, follows in sb's footsteps and chases rolled-up stock 53 to move on to both allocation and transfixion.
In Fig. 8, handle 50 is stressed to be swung to pedestal, and related protuberance 58 is along the curved surface 66 of C tooth, and the crown position that slippage is had a common boundary to radial face 65, causes rolled-up stock 53 to start according to the direction of arrow.Though this protuberance 58 keeps friction law with curved surface 66, be not enough to drive tape feed roller 60 (or fluted disc 62) according to the rotation of drawing counterclockwise, can only be open along the radian of curved surface 66.
Then see Fig. 9, handle 50 amplitudes of oscillation continue to increase, and protuberance 58 separates with C tooth, cause rolled-up stock 53 to lose the resistancing action to fluted disc 62, add holding piece 42 as Contact Tooth 64 no longer as Fig. 5, cause tape feed roller 60 in non-resistance state.Meanwhile, the moment of torsion rapid reaction of wind spring is to tape feed roller 60, and band active toothed disk 62 rotation one angle theta, make B tooth clash into protuberance 58, make rolled-up stock 53 be open according to the direction of arrow.Even if rolled-up stock 53 according to elastic returning original state, is also returned back to the A tooth of equal angular and pushes open ... go round and begin again, the some number of turns of fluted disc 62 rotation, push rolled-up stock 53 open continuously with each tooth 64 around, relatively furl local long rope.This rolled-up stock 53 jumpily contacts tape feed roller 60, offsets gradually its rotation function, until mutually anti-reply state of equilibrium each other just can allow protuberance 58 again fall between two adjacent teeth 64, stops tape feed roller 60 to rotate and stop long rope and furls action.
It should be noted that long rope pulls out length the more, the torque rating of wind spring accumulation is just larger, and tape feed roller 60 rotates the number of turns to be increased relatively, and long rope automatic rolling length is naturally just many.Contrary, it is few that long rope is pulled out length, and tape feed roller 60 rotating speeds are slower.This moment, can consider to adopt following step or action, furl the remaining length of long rope.
In Figure 10, by the hollow-out parts 51 of handle 50, press rolled-up stock 53 longitudinal section 57, traversing section 56 is upwarped, cause protuberance 58 to leave the curved surface 66 of the tooth 64 of fluted disc 62 correspondences.Lose the contained wind spring of containing strength, rely on residual moment of torsion, drive spool 61 to collect remaining long rope 32 according to arrow.So, just can not allow coupler body 33 retract and cause raw jump phenomena according to inertia, relatively protect operator or arround personnel's personal safety.
Then see Figure 11, Figure 12, show that handle 50 swings the manual mode of take-up.Rolled-up stock 53 in figure, crosses protrusion 44 and across on tension operational zone 47, allows handle 50 be confined to carry out reciprocating swing between protrusion 44 and end portion 45 with traversing section 56.Traversing section 56 withstands radial face 65, drives tape feed roller 60 to rotate a tooth 64 or above amplitude, furls lentamente the long rope 32 being drawn out.
According to the structure of above-mentioned hand controller, derivative the following example.The rolled-up stock 53 shown in Figure 13～Figure 15 for example, be different from previous embodiment locate be: traversing section 56 does not have protuberance.
During use, the curved surface 66 of traversing section 56 compacting C teeth, makes tape feed roller 60 maintain transfixion state.When the stressed swing of handle 50, related traversing section 56 arrives crown position along 66 slippages of C tooth curved surface, and pushes rolled-up stock 53 open according to the direction of arrow.Continue to press lower handle 50, make traversing section 56 leave C tooth, cause tape feed roller 60 twirl, with each tooth 64 around fluted disc 62, clash into continuously traversing section 56, relatively furl local long rope, until tape feed roller 60 rotation functions are offset gradually by traversing section 56, just can stop the action that tape feed roller 60 furls long rope.
Above-described embodiment is only explanation the present invention, and non-is restriction the present invention.The various variations that those skilled in the art derive from above-described embodiment, modification and application are all in category of the present invention.
Claims (4)
1. a take-up safety device for hand controller, is articulated a pedestal and one handle by a mandrel, and mandrel links a tape feed roller and a wind spring, and tape feed roller furls a long rope; This pedestal has the holding piece of a tackline and an Elastic Contact tape feed roller, in susceptor edges, is provided with a release take-up district and a tension operational zone; The cam edge of holding piece is backed out in this handle periphery formation one, and there is a hollow-out parts and an elasticity and be articulated in handle and the local rolled-up stock that is exposed to hollow-out parts, this rolled-up stock is limited to and discharges take-up district, be used for stoping tape feed roller to furl long rope, but can be along with long rope is pulled out and rotated, related wind spring savings reset kinetic energy; This rolled-up stock is limited to tension operational zone, along with handle swing order about tape feed roller manual furl long rope;
It is characterized in that: this rolled-up stock is in the face of the outstanding protuberance in position of tape feed roller; This handle can discharge the swing of take-up district, and related rolled-up stock jumpily contacts tape feed roller, causes wind spring to drive tape feed roller rotation and the local long rope of automatic rolling according to moment of torsion, until rotation function is pressed part, offsets and stops operating; Hollow-out parts by handle is pressed rolled-up stock, removes the resistance of tape feed roller and the moment of torsion of release wind spring remnants, drives tape feed roller to collect remaining long rope.
2. the take-up safety device of hand controller as claimed in claim 1, is characterized in that: the cam edge of this handle swells a stop part, and this stop part is along with handle offsets with the holding piece of Elastic Contact tape feed roller discharging the swing in take-up district.
3. the take-up safety device of a hand controller, by a mandrel, one pedestal and one handle are articulated, mandrel links a tape feed roller and a wind spring, tape feed roller has two fluted discs and a spool, this spool is linked between two fluted discs, in spool, insert a set of long rope at mandrel, long Suo Qiyu part can be wrapped in spool outside; This pedestal both sides bends a riser separately, each riser edge has a protrusion and an end portion, the protrusion release take-up district of caving on one side, between protrusion another side and end portion, be absorbed in the tension operational zone of a restriction handle amplitude of fluctuation, and between two risers, arrange a reciprocating holding piece and a bar, on bar, overlapping a tackline; This handle has a hollow-out parts, handle both sides bend respectively one side by side in the bluff bit of riser, each bluff bit periphery forms one along with handle swings the cam edge that determines that holding piece is backed out, and pivot joint one has elastomeric rolled-up stock between two bluff bits, this rolled-up stock one end is exposed to the hollow-out parts of handle, the other end is limited to tension operational zone, along with handle swing order about tape feed roller manual furl long rope, can be limited by discharging take-up district, stop tape feed roller to furl long rope, but can be along with long rope is pulled out and rotated, related wind spring savings reset kinetic energy;
It is characterized in that: this rolled-up stock is in the face of giving prominence to respectively a protuberance in two fluted disc places; This handle can discharge the swing of take-up district, and related rolled-up stock jumpily contacts fluted disc, causes wind spring to drive spool rotation and the local long rope of automatic rolling according to moment of torsion, until rotation function is pressed part, offsets and stops operating; Hollow-out parts by handle is pressed rolled-up stock, removes the resistance of fluted disc and the moment of torsion of release wind spring remnants, drives spool to collect remaining long rope.
4. the take-up safety device of hand controller as claimed in claim 3, it is characterized in that: two bluff bits swell a stop part separately at cam edge, described stop part is stood far apart facing each other, along with handle offsets with the holding piece of Elastic Contact tape feed roller discharging the swing in take-up district.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110225517.7A CN102923335B (en) | 2011-08-08 | 2011-08-08 | Tape winding safety device for tensioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110225517.7A CN102923335B (en) | 2011-08-08 | 2011-08-08 | Tape winding safety device for tensioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102923335A CN102923335A (en) | 2013-02-13 |
| CN102923335B true CN102923335B (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110225517.7A Active CN102923335B (en) | 2011-08-08 | 2011-08-08 | Tape winding safety device for tensioner |
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| Country | Link |
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| CN (1) | CN102923335B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105366095B (en) * | 2014-08-25 | 2017-11-28 | 杨芳林 | Hand controller |
| CN105235933A (en) * | 2015-10-31 | 2016-01-13 | 江苏润阳信息产业有限公司 | Automatic tightening device with rolling and unrolling control function |
| CN106321728A (en) * | 2016-08-31 | 2017-01-11 | 浙江双友物流器械股份有限公司 | Belt tightener |
| CN112208819B (en) * | 2019-07-10 | 2022-07-05 | 黄炳钧 | Tape changer and tape changer having the same |
| CN114148566A (en) * | 2021-12-06 | 2022-03-08 | 中煤张家口煤矿机械有限责任公司 | Binding adjustment tensioner and tensioning method |
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| US4185360A (en) * | 1978-08-14 | 1980-01-29 | Ancra Corporation | Ratchet buckle for tightening and tensioning strap |
| US5943742A (en) * | 1998-09-24 | 1999-08-31 | Huang; Han-Ching | Strap tightening/loosening device |
| CN200970743Y (en) * | 2006-11-10 | 2007-11-07 | 陈伟国 | Expansion tensioning machine |
| CN201587545U (en) * | 2009-12-13 | 2010-09-22 | 浙江双友物流器械股份有限公司 | Automatic band-retracting tensioner |
| CN101891022A (en) * | 2009-05-22 | 2010-11-24 | 黄汉卿 | Belt automatically winding hand drawer |
| CN201646536U (en) * | 2010-01-28 | 2010-11-24 | 黄汉卿 | Hand pulling device structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4185360A (en) * | 1978-08-14 | 1980-01-29 | Ancra Corporation | Ratchet buckle for tightening and tensioning strap |
| US5943742A (en) * | 1998-09-24 | 1999-08-31 | Huang; Han-Ching | Strap tightening/loosening device |
| CN200970743Y (en) * | 2006-11-10 | 2007-11-07 | 陈伟国 | Expansion tensioning machine |
| CN101891022A (en) * | 2009-05-22 | 2010-11-24 | 黄汉卿 | Belt automatically winding hand drawer |
| CN201587545U (en) * | 2009-12-13 | 2010-09-22 | 浙江双友物流器械股份有限公司 | Automatic band-retracting tensioner |
| CN201646536U (en) * | 2010-01-28 | 2010-11-24 | 黄汉卿 | Hand pulling device structure |
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| CN102923335A (en) | 2013-02-13 |
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