CN103552500A - Pretensioning force mechanism of ratchet wheel type bundler - Google Patents
Pretensioning force mechanism of ratchet wheel type bundler Download PDFInfo
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- CN103552500A CN103552500A CN201310556290.3A CN201310556290A CN103552500A CN 103552500 A CN103552500 A CN 103552500A CN 201310556290 A CN201310556290 A CN 201310556290A CN 103552500 A CN103552500 A CN 103552500A
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Abstract
The invention provides a pretensioning force mechanism of a ratchet wheel type bundler, which belongs to the technical field of bundling tools. The invention solves the problem that the bundling effect of conventional bundlers is not good. The ratchet wheel type bundler comprises a support, two bundling straps, a rotary shaft and a strap shaft, the rotary shaft is connected with the support, moreover, the support is provided with a strap-drawing assembly which can drive the rotary shaft to rotate, the strap shaft is fixedly connected with the support, the two bundling straps are a front bundling strap and a rear bundling strap, the front bundling strap is connected with the rotary shaft, the rear bundling strap is put on the strap shaft, the mechanism comprises an elastic part located in the support, the end of the rear bundling strap is put on both the elastic part and the strap shaft, and under the effect of the bundling force of the bundler, the elastic part is compressed between the rear bundling strap and the strap shaft. Compared with the prior art, the pretensioning force mechanism can ensure that the tensioned bundling straps have pretensioning force because the elastic part is arranged in the support, and thereby the bundler can more firmly and reliably bundle freight when in use.
Description
Technical field
The invention belongs to binding tools technical field, relate to the predetermincd tension mechanism of a kind of predetermincd tension mechanism, particularly a kind of ratchet wheel type binder.
Background technology
Ratchet wheel type binder comprises ratchet, handle, rotating shaft, gear tooth plate and support etc., and bundling belt one end ties up on support, and the other end ties up in rotating shaft, by handle, drives rotating shaft rotation that bundling belt is tightened up, and by ratchet, coordinating of tooth plate prevents reverse rotation of rotary shaft with gear.
A kind of bundled device [the application number: 200920186299.9 providing as State Intellectual Property Office of the People's Republic of China, publication number: CN201506291U], comprise body assembly, handle, handle and rotating shaft, handle and body assembly are hinged by rotating shaft, described rotating shaft is provided with ratchet, on described handle, slidably connects handle, and handle end can embed between the ratchet of ratchet, this bundled device also comprises a lockset, when lockset lockset when sealed can stop handle, slides.Its adopts on handle or handle and is fixed with lockset, and can stop the activity of handle when lockset lockset when sealed.Because gear tooth plate is not just fixing in directly contact when embedding between the ratchet of ratchet, but with ratchet mutually completely against front there will be a bit of slip against, make like this ratchet occur reversing until ratchet and gear tooth plate completely against, the predetermincd tension of wanting when this bit of reversing of ratchet causes the original ratchet of bundling belt out of reach to stop forward.
Summary of the invention
The object of the invention is to have the problems referred to above for existing technology, proposed a kind of predetermincd tension mechanism that can improve the ratchet wheel type binder of bundled device binding effect.
Object of the present invention can realize by following technical proposal: a kind of predetermincd tension mechanism of ratchet wheel type binder, ratchet wheel type binder comprises support, bundling belt, rotating shaft and tape spool, above-mentioned rotating shaft is connected to has the take-up assembly that can drive rotating shaft to rotate on support and on support, above-mentioned tape spool is connected on support, the quantity of above-mentioned bundling belt is two: front bundling belt and rear bundling belt, front bundling belt is connected in above-mentioned rotating shaft, rear bundling belt is enclosed within on tape spool, it is characterized in that, this mechanism comprises the elastic component that is positioned at support, the end of above-mentioned rear bundling belt is enclosed within on elastic component and tape spool simultaneously, under the seizing force effect of bundled device above-mentioned elastic component be pressed on after between bundling belt and tape spool.
Under the effect of take-up assembly, bundling belt is tightened up.After bundled device take-up, front bundling belt and rear bundling belt are all subject to the effect of seizing force, and rear bundling belt is set on elastic component and to elastic component has squeese pressure, but due to the setting of tape spool, elastic component is limited.Under the combined action of rear bundling belt and tape spool, elastic component is extruded distortion.Now, elastic component has the trend of the shape that resiles, and elastic component also has squeese pressure to rear bundling belt and tape spool simultaneously.Therefore, front bundling belt and rear bundling belt all have predetermincd tension.Even if ratchet produces a bit of reversing, under the effect of elastic component, bundling belt still can comparatively firmly be lived Goods binding.Due to the setting of elastic component in support, bundled device has predetermincd tension, has improved the binding effect of bundled device.
In the predetermincd tension mechanism of above-mentioned ratchet wheel type binder, in described support, also there is a tressel, between described tressel and support, have and can make tressel along the guide frame of support translation, above-mentioned elastic component is positioned at tressel, and under the seizing force effect of bundled device, bundling belt is pressed on tressel.The setting of guide frame, the action of direction that tressel can only limit along guide frame, makes the structure of elastic component comparatively stable, is difficult for from the bundled device loss that comes off.
In the predetermincd tension mechanism of above-mentioned ratchet wheel type binder, on described tressel, there is recessed installation cavity, above-mentioned elastic component is positioned at installation cavity place and its part is stretched out installation cavity.The structure that elastic component is placed in installation cavity Nei，Shi Ben mechanism is comparatively stable.The part that elastic component stretches out installation cavity is resisted against on tape spool.
In the predetermincd tension mechanism of above-mentioned ratchet wheel type binder, described elastic component is rubber block.Select rubber block as elastic component, make the elasticity of elastic component better, thereby make the pretension better effects if of bundled device.
In the predetermincd tension mechanism of above-mentioned ratchet wheel type binder, on described elastic component, there is curved recessed contact part, and contact part and tape spool sidepiece match, the contact part of above-mentioned elastic component abuts in tape spool sidepiece.Contact part is set on elastic component, has increased the area of contact between elastic component and tape spool, make the annexation between elastic component and tape spool more tight, in use, structure is also more stable.
In the predetermincd tension mechanism of above-mentioned ratchet wheel type binder, described guide frame is the guiding plush copper protruded of tressel both sides and is positioned at the bar hole that support both sides are bar shaped, and two above-mentioned guiding plush coppers lay respectively at corresponding bar hole place.Under the restriction of bar hole, tressel moves along the direction of bar hole.Such structure Shi Ben mechanism is comparatively stable.
In the predetermincd tension mechanism of above-mentioned ratchet wheel type binder, described guide frame is that tressel both sides are the gib block of bar shaped protrusion and are positioned at the guide groove that support both sides are bar shaped, and two above-mentioned gib blocks lay respectively at corresponding guide groove place.Under the restriction of gib block and guide groove, tressel moves on support along the direction of guide groove, and its structure is comparatively stable.
In the predetermincd tension mechanism of above-mentioned ratchet wheel type binder, described elastic component is spring.The two ends of spring are resisted against respectively on tressel and tape spool.Select spring as elastic component, its elasticity is better.
In the predetermincd tension mechanism of above-mentioned ratchet wheel type binder, described take-up assembly comprises handle, ratchet, tooth pushing plate and gear tooth plate, handle is hinged on support by rotating shaft, ratchet is connected in roller end, tooth pushing plate is movably connected on handle and between is provided with spring one, under the elastic force effect of spring one, tooth pushing plate is resisted against between the ratchet of ratchet, described gear tooth plate is movably connected on support and between has spring two, at the elastic force effect lower block tooth plate of spring two, is resisted against between the ratchet of ratchet.Hinged place on handle is set in rotating shaft, and handle and rotating shaft are axially connected, circumferentially free to rotate.During take-up, turning handle, handle drives the action of tooth pushing plate, and on ratchet, a comparatively level and smooth side direction tooth pushing plate end and is moved.Ratchet promotes tooth pushing plate away from ratchet, and when a ratchet is crossed after tooth pushing plate, due to the setting of tooth pushing plate upper spring one, tooth pushing sheet reset is between ratchet.Handle drives tooth pushing plate to cross after some and ratchet, and handle rotates backward, and now, tooth pushing plate is resisted against a side steeper on ratchet, and tooth pushing plate cannot be crossed from ratchet, and therefore, the moving ratchet of tooth pushing strip rotates, and carries out take-up action.After take-up, bundling belt has certain tightening force, but under the effect of gear tooth plate, ratchet cannot turn round.Bundling belt is tightened up location.
In the predetermincd tension mechanism of above-mentioned ratchet wheel type binder, described take-up assembly comprises crow bar, ratchet and gear tooth plate, above-mentioned rotating shaft is hinged on support and at rotating shaft sidepiece has the jack for crow bar insertion, ratchet is connected in roller end, described gear tooth plate is movably connected on support and between has spring two, at the elastic force effect lower block tooth plate of spring two, is resisted against between the ratchet of ratchet.During take-up, crow bar is inserted to the jack of rotating shaft sidepiece, pull crow bar, drive rotating shaft to rotate, thereby bundling belt is tightened up.After bundling belt is tightened up, have the rotating trend of the rotating shaft of drive, but under the effect of gear tooth plate, ratchet is positioned, therefore, rotating shaft is also positioned, no longer revolution.After this, bundling belt is tightened up location.
Compared with prior art ，Ben predetermincd tension mechanism, owing to being provided with elastic component in support, makes bundling belt after tightening up, have predetermincd tension, thereby makes bundled device more solid and reliable to the binding of goods in use.
Accompanying drawing explanation
Fig. 1 is side-looking structural representation of the present invention;
Fig. 2 is birds-eye view of the present invention;
Fig. 3 is the perspective view of medium-height trestle of the present invention;
Fig. 4 is the structural representation of tressel and elastic component in the present invention.
In figure, 1, support; 1a, bar hole; 2a, front bundling belt; 2b, rear bundling belt; 3, rotating shaft; 4, tape spool; 5, elastic component; 5a, contact part; 6, tressel; 6a, guiding plush copper; 6b, installation cavity; 7, handle; 8, ratchet; 9, tooth pushing plate; 10, gear tooth plate; 11, spring one; 12, spring two.
The specific embodiment
As depicted in figs. 1 and 2, a kind of predetermincd tension mechanism of ratchet wheel type binder, ratchet wheel type binder comprises support 1, bundling belt, rotating shaft 3 and tape spool 4, rotating shaft 3 is connected to has the take-up assembly that can drive rotating shaft 3 to rotate on support 1 and on support 1, tape spool 4 is connected on support 1, and the quantity of bundling belt is two: front bundling belt 2a and rear bundling belt 2b.Rotating shaft 3 middle parts offer rectangular through hole along its axle, and front bundling belt 2a passes this rectangular through hole and is fixed in rotating shaft 3.Rear bundling belt 2b is enclosed within tape spool 4 Shang，Ben mechanisms and comprises the elastic component 5 that is positioned at support 1, and elastic component 5 is rubber block.Select rubber block as elastic component 5, make the elasticity of elastic component 5 better, thereby make the pretension better effects if of bundled device.The end of rear bundling belt 2b is enclosed within on elastic component 5 and tape spool 4 simultaneously, under the seizing force effect of bundled device elastic component 5 be pressed on after between bundling belt 2b and tape spool 4.
Take-up assembly comprises handle 7, ratchet 8, tooth pushing plate 9 and gear tooth plate 10, handle 7 is hinged on support 1 by rotating shaft 3, ratchet 8 is connected in rotating shaft 3 ends, tooth pushing plate 9 is movably connected on handle 7 and between is provided with spring 1, under the elastic force effect of spring 1, tooth pushing plate 9 is resisted against between the ratchet of ratchet 8, gear tooth plate 10 is movably connected on support 1 and between has spring 2 12, at the elastic force effect lower block tooth plate 10 of spring 2 12, is resisted against between the ratchet of ratchet 8.Hinged place on handle 7 is set in rotating shaft 3, and handle 7 is axially connected with rotating shaft 3, circumferentially free to rotate.During take-up, turning handle 7, handle 7 drives 9 actions of tooth pushing plates, and on ratchet, a comparatively level and smooth side direction tooth pushing plate 9 ends and is moved.Ratchet promotes tooth pushing plate 9 away from ratchet 8, when a ratchet, crosses after tooth pushing plate 9, and due to the setting of tooth pushing plate 9 upper springs 1, tooth pushing plate 9 is reset between ratchet.Handle 7 drives tooth pushing plate 9 to cross after some and ratchet, and handle 7 rotates backward, and now, tooth pushing plate 9 is resisted against a side steeper on ratchet, and tooth pushing plate 9 cannot be crossed from ratchet, and therefore, tooth pushing plate 9 drives ratchet 8 to rotate, and carries out take-up action.After take-up, bundling belt has certain tightening force, but under the effect of gear tooth plate 10, ratchet 8 cannot turn round.Bundling belt is tightened up location.
In support 1, also have the tressel 6 that a cross section is Contraband font, as shown in Figure 4, have recessed installation cavity 6b on tressel 6, elastic component 5 is positioned at installation cavity 6b place and its part is stretched out installation cavity 6b.Elastic component 5 is connected in installation cavity 6b.The part that elastic component 5 stretches out installation cavity 6b is resisted against on tape spool 4.Between tressel 6 and support 1, have and can make tressel 6 along the guide frame of support 1 translation, under the seizing force effect of bundled device, bundling belt is pressed on tressel 6.Elastic component 5 is arranged in tressel 6, the setting of guide frame, and the direction action that tressel 6 can only limit along guide frame, makes the structure of elastic component 5 comparatively stable.
Under the effect of take-up assembly, bundling belt is tightened up.After bundled device take-up, front bundling belt 2a and rear bundling belt 2b are all subject to the effect of seizing force, and rear bundling belt 2b is set on elastic component 5 and to elastic component 5 has squeese pressure, but due to the setting of tape spool 4, elastic component 5 is limited.Under the combined action of rear bundling belt 2b and tape spool 4, elastic component 5 is extruded distortion.Now, elastic component 5 has the trend of the shape that resiles, and elastic component 5 also has squeese pressure to rear bundling belt 2b and tape spool 4 simultaneously.Therefore, front bundling belt 2a and rear bundling belt 2b all have predetermincd tension.Even if ratchet 8 produces a bit of reversing, under the effect of elastic component 5, bundling belt still has predetermincd tension.Due to the setting of the interior elastic component 5 of support 1, make the pretension effect of bundled device better.
As shown in Figure 4, have curved recessed contact part 5a on elastic component 5, and contact part 5a and tape spool 4 sidepieces match, the contact part 5a of elastic component 5 abuts in tape spool 4 sidepieces.Contact part 5a is set on elastic component 5, has increased the area of contact between elastic component 5 and tape spool 4, make the annexation between elastic component 5 and tape spool 4 more tight, in use, structure is also more stable.
As shown in Figure 3, guide frame is the guiding plush copper 6a that protrudes of tressel 6 both sides and is positioned at the bar hole 1a that support 1 both sides are bar shaped, and two guiding plush copper 6a lay respectively at corresponding bar hole 1a place.Under the restriction of bar hole 1a, tressel 6 moves along the direction of bar hole 1a.Such structure Shi Ben mechanism is comparatively stable.
As another kind of scheme, guide frame is that tressel both sides are the gib block of bar shaped protrusion and are positioned at the guide groove that support both sides are bar shaped, and two gib blocks lay respectively at corresponding guide groove place.Under the restriction of gib block and guide groove, tressel moves on support along the direction of guide groove, and its structure is comparatively stable.
As another kind of scheme, take-up assembly comprises crow bar, ratchet and gear tooth plate, rotating shaft is hinged on support and at rotating shaft sidepiece has the jack for crow bar insertion, ratchet is connected in roller end, gear tooth plate is movably connected on support and between has spring two, at the elastic force effect lower block tooth plate of spring two, is resisted against between the ratchet of ratchet.During take-up, crow bar is inserted to the jack of rotating shaft sidepiece, pull crow bar, drive rotating shaft to rotate, thereby bundling belt is tightened up.After bundling belt is tightened up, have the rotating trend of the rotating shaft of drive, but under the effect of gear tooth plate, ratchet is positioned, therefore, rotating shaft is also positioned, no longer revolution.After this, bundling belt is tightened up location.
As another kind of scheme, elastic component is spring.The two ends of spring are resisted against respectively on tressel and tape spool.Select spring as elastic component, its elasticity is better.
Claims (10)
1. the predetermincd tension mechanism of a ratchet wheel type binder, ratchet wheel type binder comprises support (1), bundling belt, rotating shaft (3) and tape spool (4), above-mentioned rotating shaft (3) is connected to support (1) above and on support (1), has the take-up assembly that can drive rotating shaft (3) to rotate, above-mentioned tape spool (4) is connected on support (1), the quantity of above-mentioned bundling belt is two: front bundling belt (2a) and rear bundling belt (2b), front bundling belt (2a) is connected in above-mentioned rotating shaft (3), rear bundling belt (2b) is enclosed within on tape spool (4), it is characterized in that, this mechanism comprises the elastic component (5) that is positioned at support (1), the end of above-mentioned rear bundling belt (2b) is enclosed within on elastic component (5) and tape spool (4) simultaneously, under the seizing force effect of bundled device, above-mentioned elastic component (5) is pressed between rear bundling belt (2b) and tape spool (4).
2. the predetermincd tension mechanism of ratchet wheel type binder according to claim 1, it is characterized in that, in described support (1), also there is a tressel (6), between described tressel (6) and support (1), have and can make tressel (6) along the guide frame of support (1) translation, above-mentioned elastic component (5) is positioned at tressel (6), and under the seizing force effect of bundled device, bundling belt is pressed on tressel (6).
3. the predetermincd tension mechanism of ratchet wheel type binder according to claim 2, it is characterized in that, on described tressel (6), have recessed installation cavity (6b), above-mentioned elastic component (5) is positioned at that installation cavity (6b) is located and its part is stretched out installation cavity (6b).
4. according to the predetermincd tension mechanism of the ratchet wheel type binder described in claim 1 or 2 or 3, it is characterized in that, described elastic component (5) is rubber block.
5. according to the predetermincd tension mechanism of the ratchet wheel type binder described in claim 1 or 2 or 3, it is characterized in that, on described elastic component (5), there is curved recessed contact part (5a), and contact part (5a) matches with tape spool (4) sidepiece, and the contact part (5a) of above-mentioned elastic component (5) abuts in tape spool (4) sidepiece.
6. according to the predetermincd tension mechanism of the ratchet wheel type binder described in claim 2 or 3, it is characterized in that, described guide frame is the guiding plush copper (6a) protruded of tressel (6) both sides and is positioned at the bar hole (1a) that support (1) both sides are bar shaped, and two above-mentioned plush coppers (6a) that lead lay respectively at corresponding bar hole (1a) and locate.
7. according to the predetermincd tension mechanism of the ratchet wheel type binder described in claim 2 or 3, it is characterized in that, described guide frame is that tressel both sides are the gib block of bar shaped protrusion and are positioned at the guide groove that support both sides are bar shaped, and two above-mentioned gib blocks lay respectively at corresponding guide groove place.
8. according to the predetermincd tension mechanism of the ratchet wheel type binder described in claim 1 or 2 or 3, it is characterized in that, described elastic component (5) is spring.
9. according to the predetermincd tension mechanism of the ratchet wheel type binder described in claim 1 or 2 or 3, it is characterized in that, described take-up assembly comprises handle (7), ratchet (8), tooth pushing plate (9) and gear tooth plate (10), handle (7) is hinged on support (1) by rotating shaft (3), ratchet (8) is connected in rotating shaft (3) end, tooth pushing plate (9) is movably connected in handle (7) above and between is provided with spring one (11), under the elastic force effect of spring one (11), tooth pushing plate (9) is resisted against between the ratchet of ratchet (8), described gear tooth plate (10) is movably connected in support (1) above and between has spring two (12), elastic force effect lower block tooth plate (10) at spring two (12) is resisted against between the ratchet of ratchet (8).
10. according to the predetermincd tension mechanism of the ratchet wheel type binder described in claim 1 or 2 or 3, it is characterized in that, described take-up assembly comprises crow bar, ratchet and gear tooth plate, above-mentioned rotating shaft is hinged on support and at rotating shaft sidepiece has the jack for crow bar insertion, ratchet is connected in roller end, described gear tooth plate is movably connected on support and between has spring two, at the elastic force effect lower block tooth plate of spring two, is resisted against between the ratchet of ratchet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310556290.3A CN103552500B (en) | 2013-11-11 | 2013-11-11 | A kind of predetermincd tension mechanism of ratchet wheel type binder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310556290.3A CN103552500B (en) | 2013-11-11 | 2013-11-11 | A kind of predetermincd tension mechanism of ratchet wheel type binder |
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| CN103552500A true CN103552500A (en) | 2014-02-05 |
| CN103552500B CN103552500B (en) | 2016-03-02 |
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| CN201310556290.3A Active CN103552500B (en) | 2013-11-11 | 2013-11-11 | A kind of predetermincd tension mechanism of ratchet wheel type binder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114750676A (en) * | 2022-02-23 | 2022-07-15 | 欧翠贸易(上海)有限公司 | Binding belt handle with rotating function |
| WO2024087374A1 (en) * | 2022-10-25 | 2024-05-02 | 浙江双友物流器械股份有限公司 | Tie down strap tightening device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1248942A (en) * | 1997-06-03 | 2000-03-29 | 斯邦赛特·英特股份公司 | Load indicator on traction elements |
| CN201334123Y (en) * | 2008-12-29 | 2009-10-28 | 宁波旭力金属制品有限公司 | Automobile safety tension device with integrated C-type shaft |
| CN101927843A (en) * | 2009-06-25 | 2010-12-29 | 黄汉卿 | Hand puller with device for rolling surplus taps up |
| CN203592929U (en) * | 2013-11-11 | 2014-05-14 | 浙江双友物流器械股份有限公司 | Pre-tightening force mechanism of ratchet wheel binding device |
-
2013
- 2013-11-11 CN CN201310556290.3A patent/CN103552500B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1248942A (en) * | 1997-06-03 | 2000-03-29 | 斯邦赛特·英特股份公司 | Load indicator on traction elements |
| CN201334123Y (en) * | 2008-12-29 | 2009-10-28 | 宁波旭力金属制品有限公司 | Automobile safety tension device with integrated C-type shaft |
| CN101927843A (en) * | 2009-06-25 | 2010-12-29 | 黄汉卿 | Hand puller with device for rolling surplus taps up |
| CN203592929U (en) * | 2013-11-11 | 2014-05-14 | 浙江双友物流器械股份有限公司 | Pre-tightening force mechanism of ratchet wheel binding device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114750676A (en) * | 2022-02-23 | 2022-07-15 | 欧翠贸易(上海)有限公司 | Binding belt handle with rotating function |
| WO2024087374A1 (en) * | 2022-10-25 | 2024-05-02 | 浙江双友物流器械股份有限公司 | Tie down strap tightening device |
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| Publication number | Publication date |
|---|---|
| CN103552500B (en) | 2016-03-02 |
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