CN104832611B - A kind of tool-free auto-tensioning system - Google Patents
A kind of tool-free auto-tensioning system Download PDFInfo
- Publication number
- CN104832611B CN104832611B CN201510170312.1A CN201510170312A CN104832611B CN 104832611 B CN104832611 B CN 104832611B CN 201510170312 A CN201510170312 A CN 201510170312A CN 104832611 B CN104832611 B CN 104832611B
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- Prior art keywords
- bearing
- arm
- rocking arm
- manually
- steady arm
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H7/0829—Means for varying tension of belts, ropes, or chains with vibration damping means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0802—Actuators for final output members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0842—Mounting or support of tensioner
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention provides a kind of tool-free auto-tensioning system, simple structure, it is easy to operate, itself there is the function of tool-free auto-tensioning and energy constant-tension, it is main to include automatically adjusting bearing and manually regulation bearing, automatically adjust bearing and manually regulation bearing can relatively move so that the two it is close to each other or away from, automatically adjust bearing and be provided with automatic regulating system, manually regulation bearing be provided with manual adjustment system.
Description
Technical field
The present invention relates to a kind of tension-adjusting gear for garden instrument, cutting machine etc., and in particular to a kind of tool-free
Auto-tensioning system.
Background technology
Current clamping system is used for garden instrument, cutting machine etc. using cam adjustment tensioning and screw push rod in industry
Tension adjustment, it is applied to driven wheel needs to adjust the mechanism of tension force by displacement.Said structure must be borrowed in use
Instrument rotating eccentricity cam or screw push rod realize tension adjustment, complex operation and cannot constant-tension.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of tool-free auto-tensioning system, simple structure, operation
It is convenient, itself there is the function of tool-free auto-tensioning and energy constant-tension.
To solve above-mentioned existing technical problem, the present invention uses following scheme：A kind of tool-free auto-tensioning system, bag
Include automatically adjust bearing and manually regulation bearing, it is described automatically adjust bearing and manually regulation bearing can relatively move so that the two
It is close to each other or away from the bearing that automatically adjusts is provided with automatic regulating system, and the manual regulation bearing is provided with manually
Regulating system, the automatic regulating system includes spring, steady arm, drives rocking arm and performs rocking arm, and the spring is connected to certainly
Between dynamic regulation bearing and steady arm, the telescopic spring drives steady arm closer or far from regulation bearing, the driving manually
Rocking arm and execution rocking arm are respectively positioned on steady arm towards the side of regulation bearing manually, and the driving rocking arm is connected to steady arm and holds
Between row rocking arm, driving rocking arm and the steady arm are rotated and be connecteds, and the driving rocking arm is connected with execution rocking arm rotation, it is described certainly
The side of rocking arm and execution rocking arm is being driven to be provided with stop part on dynamic regulation bearing, the manual adjustment system includes being located at manually
Manual adjustment on regulation bearing, the manual adjustment can be relative to adjusting bearing movement with closer or far from support manually
Bar, is provided with for making manual adjustment and manually regulation bearing relative positioning between the manual adjustment and manually regulation bearing
Location structure, the execution rocking arm has for being against abutment end on manual adjustment, the steady arm and drives rocking arm
End of the rotary centerline to manual adjustment towards steady arm one end apart from L1Less than the steady arm and driving rocking arm
Rotary centerline to driving rocking arm and perform the distance between the rotary centerline L of rocking arm2With driving rocking arm and execution rocking arm
Rotary centerline to perform rocking arm abutment end apart from L3Sum.
Preferably, the spring is radially spacing on bearing is automatically adjusted by spring detent.
Preferably, the spring detent is to be fixedly mounted on the sleeve pipe automatically adjusted on bearing, the spring and branch
Hold bar to be set in sleeve pipe, the steady arm can slide axially along sleeve pipe.
Preferably, the spring detent is to be slidably mounted on the sleeve pipe automatically adjusted on bearing, the spring is arranged
In sleeve pipe, the steady arm is fixedly connected with sleeve pipe.
Preferably, the execution rocking arm is connected with bearing sliding is automatically adjusted.
Preferably, being provided with operation handle on the execution rocking arm.
Preferably, the manual adjustment is installed in the screw rod adjusted manually on bearing, the manually screw rod and tune
Section bearing threaded connection, the screw rod pass through relative to manually regulation bearing rotate realize relatively manually adjust bearing move axially into
And closer or far from steady arm, the location structure is the helicitic texture between screw rod and manual regulation bearing.
Preferably, the screw rod is directly set on the manual regulation bearing, the screw rod is provided with and screw rod spiral shell
The nut that line coordinates, the nut is located at side of the regulation bearing towards steady arm manually, and the location structure is nut, described
Location structure is kept off by nut and prevents screw rod from being moved to the direction away from steady arm in the side of regulation bearing manually.
Preferably, the manual adjustment is to adjust on bearing and can manually adjust bearing axial direction relatively installed in manual
Mobile connecting pin, connecting pin side wall is provided with some pin holes axially arranged along connecting pin, and the location structure is
Latch can be provided with pin hole, the latch is located at side of the regulation bearing towards steady arm, the positioning knot manually
Structure is inserted in different pin holes by latch and realizes preventing connecting pin from being moved to the direction away from steady arm.
Beneficial effect：
, using after above-mentioned technical proposal, design is simple and operation is easy, and the clamping system is shaken using its driving for the present invention
Geometry dead point between arm and execution rocking arm coordinates spring thrust to realize auto-tensioning, so as to reach the work(of tool-free auto-tensioning
Can, the excessive tensile of elastic webbing can be avoided, and tension force is provided by the permanent elastic webbing that is continuously of spring from the device of tensioning.
After spring thrust reaches capacity, manually regulation limiting device, continues to allow spring to produce thrust, greatly prolongs and uses the longevity
Life.
Brief description of the drawings
Fig. 1 is the tensioning state schematic diagram of the embodiment of the present invention one；
Fig. 2 is the relaxed state schematic diagram of the embodiment of the present invention one；
Fig. 3 is arranged on the schematic diagram on transmission device for the structure of the embodiment of the present invention one；
Fig. 4 is the structure of manual adjustment system in the embodiment of the present invention two.
Fig. 5 is the structure of manual adjustment system in the embodiment of the present invention three.
Specific embodiment
Embodiment one：
As Fig. 1 to 2 show a kind of preferred embodiment of tool-free auto-tensioning system of the present invention, it includes main automatic
Regulation bearing 1 and manually regulation bearing 10, automatically adjust bearing 1 and regulation bearing 10 can be relatively moved so that the two is mutual manually
Closer or far from, automatically adjusting bearing 1 and be provided with automatic regulating system, regulation bearing 10 is provided with manual adjustment system manually；
The present invention is mostly installed on the transmission device including the transmission belt 15 being tensioned by two drives 14 and uses, as shown in figure 3, one
Individual drive 14 is arranged on the first mounting bracket 16, another drive 14 is arranged on the second mounting bracket 17, the first mounting bracket
16 and second mounting bracket 17 be installed in frame, and one of them with frame can relative slip adjusting two drives 14
Tight dynamics, automatically adjusts bearing 1 installed in the first mounting bracket 16, bearing 10 is adjusted manually and is arranged on the second mounting bracket 17,
The tool-free auto-tensioning system is manual in the automatic regulating system on bearing 1 and manually regulation bearing 10 by automatically adjusting
Regulating system coordinates makes to automatically adjust bearing 1 and regulation bearing 10 is kept away from state and then makes the first mounting bracket 16 and the manually
Two mounting brackets 17 are kept away from state, because the first mounting bracket 16 and the second mounting bracket 17 are kept away from state, and then can realize
Two transmission belts 15 of drive 14.
The embodiment mainly uses the geometry dead point in linkage between support arm to coordinate spring thrust to realize transmission
The auto-tensioning of wheel 14.
Wherein, automatic regulating system mainly includes spring 2, spring detent 3, steady arm 4, driving Rocker arm 5, operation handle
6 is to be fixedly mounted on the sleeve pipe automatically adjusted on bearing 1 with execution rocking arm 7, spring detent 3, and spring 2 and steady arm 4 cover
It is located in sleeve pipe, spring 2 is radially spacing on bearing 1 is automatically adjusted by spring detent 3, and steady arm 4 can be along sleeve pipe axial direction
Slide, the one end of spring 2 be against automatically adjust on bearing 1, the other end is against on steady arm 4, spring 2 drives steady arm by flexible
4 closer or far from regulation bearing 10 manually；Drive Rocker arm 5 and perform rocking arm 7 and be respectively positioned on steady arm 4 towards regulation bearing 10 manually
Side, drive Rocker arm 5 to be connected to steady arm 4 and perform between rocking arm 7, drive Rocker arm 5 one end and steady arm 4 to pass through pin I 13
Rotate connection, drive Rocker arm 5 the other end by pin II 12 with perform rocking arm 7 one end rotate be connected, operation handle 6 and execution
Connected by pin III 11 between rocking arm 7, operation handle 6 is provided with gear and is performing the sidepiece of rocking arm 7 for stirring dialling for execution rocking arm 7
Piece 61, certain operation handle 6 can also be made and perform rocking arm 7 directly by the connected mode being welded and fixed, and perform rocking arm 7
The other end is slidably connected with bearing 1 is automatically adjusted.
Manual adjustment system includes being located at the manual adjustment 8 on regulation bearing 10 manually, and manual adjustment 8 can be with respect to hand
Dynamic regulation bearing 10 move with closer or far from steady arm 4, be provided between the manual adjustment 8 and manually regulation bearing 10 for
Make manual adjustment 8 and the manually location structure of the regulation relative positioning of bearing 10.In the present embodiment, manual adjustment 8 is installation
Screw rod on regulation bearing 10 manually, screw rod is threadedly coupled with manual regulation bearing 10, and screw rod is by regulation manually relatively
Seat 10 is rotated realizes that regulation bearing 10 is moved axially and then closer or far from steady arm 4, now, location structure is spiral shell manually relatively
Helicitic texture between bar and manually regulation bearing 10.
Perform rocking arm 7 and constitute abutting for being against on manual adjustment 8 with one end that bearing 1 is slidably connected is automatically adjusted
The rotary centerline (i.e. the axis of pin I 13) of end 71, steady arm 4 and driving Rocker arm 5 is to manual adjustment 8 near steady arm 4 one
The distance at end is L1, steady arm 4 and drive Rocker arm 5 rotary centerline to drive Rocker arm 5 and execution rocking arm 7 rotary centerline
The distance between (i.e. axis of pin II 12) is L2, drive Rocker arm 5 and perform the rotary centerline of rocking arm 7 to execution rocking arm 7
The distance of abutment end 71 is L3, L1＜ L2+L3。
In the present embodiment, during driving Rocker arm 5 is driven by operation handle 6 and the swing of rocking arm 7 is performed, work as support
Bar 4 is supported with rotary centerline, the rotary centerline of driving Rocker arm 5 and execution rocking arm 7 and the execution rocking arm 7 for driving Rocker arm 5
When connecing at end 71 at grade, operation handle 6 is pulled in stopping, by steady arm 4, is driven Rocker arm 5 and is performed rocking arm 7 and constitute
Linkage is in geometry dead-centre position, and in theory, the linkage will not again occur motion and the linkage is promoted certainly
Dynamic regulation bearing 1 and manual regulation bearing 10 are in apart from farthest position, but in actual use, due to originals such as vibrations
Cause, the state is extremely unstable, therefore positioned at the side setting stop for driving Rocker arm 5 and execution rocking arm 7 on bearing 1 is automatically adjusted
Portion 18, makes driving Rocker arm 5 and performs the overswing certain limit rear-guard motion rocker arm 5 of rocking arm 7 and perform rocking arm 7 to be resisted against stop part 18
On, increase the stability of tool-free auto-tensioning system.
Embodiment two：
Structure is essentially identical with embodiment one, and difference is that spring detent 3 is slidably mounted on and automatically adjusts bearing
Sleeve pipe on 1, spring 2 is still set in sleeve pipe, and steady arm 4 is fixedly connected with sleeve pipe, when spring 2 stretches promote sleeve pipe and
Steady arm 4 is moved together.
Embodiment three：
Structure with embodiment one is essentially identical, and difference is that the structure of manual adjustment system is changed,
As shown in figure 4, screw rod is directly set on regulation bearing 10 manually, the nut 91 coordinated with screw flight is set on screw rod,
And it is nut 91 towards the side of steady arm 4, now location structure that nut 91 is located at regulation bearing 10 manually, and location structure leads to
Cross nut 91 and keep off the side prevention screw rod in regulation bearing 10 manually to the direction movement away from steady arm 4.
Example IV：
Structure with embodiment one and embodiment three is essentially identical, and difference is that the structure of manual adjustment system is entered
Change is gone, as shown in figure 5, manual adjustment 8 is on regulation bearing 10 manually and can manually adjust bearing 10 relatively
The connecting pin of axial movement, connecting pin side wall is provided with some pin holes axially arranged along connecting pin, and the location structure is
Latch 92 can be provided with pin hole, it is described towards the side of steady arm 4 that the latch 92 is located at regulation bearing 10 manually
Location structure is inserted in different pin holes by latch 92 and realizes preventing connecting pin from being moved to the direction away from steady arm 4.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and is familiar with
The those skilled in the art should be understood that the present invention includes but is not limited to accompanying drawing and interior described in specific embodiment above
Hold.Any modification without departing from function and structure principle of the invention is intended to be included in the scope of claims.
Claims (7)
1. a kind of tool-free auto-tensioning system, it is characterised in that：Including automatically adjusting bearing (1) and manually regulation bearing
(10), the bearing (1) and manual regulation bearing (10) of automatically adjusting can be relatively moved so that the two is close to each other or away from institute
State and automatically adjust bearing (1) and be provided with automatic regulating system, manual regulation bearing (10) is provided with manual adjustment system, institute
Automatic regulating system is stated including spring (2), steady arm (4), driving rocking arm (5) and rocking arm (7) is performed, spring (2) connection
Automatically adjusting between bearing (1) and steady arm (4), the spring (2) is flexible to drive steady arm (4) closer or far from tune manually
Section bearing (10), it is described to drive rocking arm (5) and execution rocking arm (7) to be respectively positioned on steady arm (4) towards regulation bearing (10) manually
Side, the driving rocking arm (5) is connected between steady arm (4) and execution rocking arm (7), described to drive rocking arm (5) and steady arm
(4) connection is rotated, driving rocking arm (5) is connected with rocking arm (7) rotation is performed, described automatically adjusting driven on bearing (1)
The side of rocking arm (5) and execution rocking arm (7) is provided with stop part (18), and the manual adjustment system includes being located at regulation bearing manually
(10) manual adjustment (8) on, the manual adjustment (8) can relative to adjust manually bearing (10) it is mobile with closer or far from
Steady arm (4), is provided with for making manual adjustment (8) and hand between the manual adjustment (8) and manually regulation bearing (10)
The location structure of dynamic regulation bearing (10) relative positioning, the execution rocking arm (7) is with for being against on manual adjustment (8)
Abutment end (71), the steady arm (4) and drives the rotary centerline of rocking arm (5) to manual adjustment (8) towards steady arm (4)
The end of one end apart from L1Less than the steady arm (4) and the rotary centerline of rocking arm (5) is driven (5) and to be held to driving rocking arm
The distance between the rotary centerline of row rocking arm (7) L2With drive rocking arm (5) and perform rocking arm (7) rotary centerline to execution
Rocking arm (7) abutment end apart from L3Sum, the spring (2) is automatically adjusting bearing by the way that spring detent (3) is radially spacing
(1) on, execution rocking arm (7) is slidably connected with bearing (1) is automatically adjusted.
2. a kind of tool-free auto-tensioning system according to claim 1, it is characterised in that：The spring detent (3)
To be fixedly mounted on the sleeve pipe automatically adjusted on bearing (1), the spring (2) and steady arm (4) are set in sleeve pipe, described
Steady arm (4) can slide axially along sleeve pipe.
3. a kind of tool-free auto-tensioning system according to claim 1, it is characterised in that：The spring detent (3)
To be slidably mounted on the sleeve pipe automatically adjusted on bearing (1), the spring (2) is set in sleeve pipe, the steady arm (4) with set
Pipe is fixedly connected.
4. according to any described a kind of tool-free auto-tensioning system of claims 1 to 3, it is characterised in that：The execution is shaken
Operation handle (6) is installed on arm (7).
5. a kind of tool-free auto-tensioning system according to claim 1, it is characterised in that：The manual adjustment (8)
It is the screw rod in regulation bearing (10) manually, the screw rod is threadedly coupled with regulation bearing (10) manually, the screw rod
Realize that regulation bearing (10) is moved axially and then closer or far from branch manually relatively by being rotated relative to regulation bearing (10) manually
Bar (4) is held, the location structure is the helicitic texture between screw rod and manual regulation bearing (10).
6. a kind of tool-free auto-tensioning system according to claim 5, it is characterised in that：The screw rod is directly set in
On manual regulation bearing (10), the screw rod is provided with the nut (91) coordinated with screw flight, nut (91) position
In side of the bearing (10) towards steady arm (4) is adjusted manually, the location structure is nut (91), and the location structure passes through
Nut (91) gear prevents screw rod from being moved to the direction away from steady arm (4) in the side of regulation bearing (10) manually.
7. a kind of tool-free auto-tensioning system according to claim 1, it is characterised in that：The manual adjustment (8)
It is installed in the manual connecting pin for adjusting on bearing (10) and can manually adjusting bearing (10) axial movement relatively, the connecting pin
Side wall is provided with some pin holes axially arranged along connecting pin, and the location structure be provided with latch for that can be arranged in pin hole
(92), the latch (92) passes through latch positioned at side of the bearing (10) towards steady arm (4), the location structure is adjusted manually
(92) realization prevents connecting pin from being moved to the direction away from steady arm (4) in being inserted in different pin holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510170312.1A CN104832611B (en) | 2015-04-10 | 2015-04-10 | A kind of tool-free auto-tensioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510170312.1A CN104832611B (en) | 2015-04-10 | 2015-04-10 | A kind of tool-free auto-tensioning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104832611A CN104832611A (en) | 2015-08-12 |
| CN104832611B true CN104832611B (en) | 2017-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510170312.1A Active CN104832611B (en) | 2015-04-10 | 2015-04-10 | A kind of tool-free auto-tensioning system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08247238A (en) * | 1995-03-10 | 1996-09-24 | Yanmar Agricult Equip Co Ltd | Belt type stepped transmission |
| CN1493799A (en) * | 2002-09-11 | 2004-05-05 | ���＼�й�ҵ��ʽ���� | Chain tensioner |
| CN101473148A (en) * | 2006-06-09 | 2009-07-01 | 谢夫勒两合公司 | Tensioning device for a traction mechanism, in particular a belt or a chain |
| CN101936371A (en) * | 2009-07-01 | 2011-01-05 | 绿友机械集团股份有限公司 | Quick automatic tensioning mechanism of dynamic triple connecting rod |
| CN203627697U (en) * | 2013-12-30 | 2014-06-04 | 浙江大华技术股份有限公司 | Tensioning device and synchronous belt driving mechanism |
| CN203743339U (en) * | 2014-02-08 | 2014-07-30 | 潍柴动力股份有限公司 | Belt tightening device for engine bench test |
| CN204664320U (en) * | 2015-04-10 | 2015-09-23 | 浙江亚特电器有限公司 | One exempts from instrument auto-tensioning system |
-
2015
- 2015-04-10 CN CN201510170312.1A patent/CN104832611B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08247238A (en) * | 1995-03-10 | 1996-09-24 | Yanmar Agricult Equip Co Ltd | Belt type stepped transmission |
| CN1493799A (en) * | 2002-09-11 | 2004-05-05 | ���＼�й�ҵ��ʽ���� | Chain tensioner |
| CN101473148A (en) * | 2006-06-09 | 2009-07-01 | 谢夫勒两合公司 | Tensioning device for a traction mechanism, in particular a belt or a chain |
| CN101936371A (en) * | 2009-07-01 | 2011-01-05 | 绿友机械集团股份有限公司 | Quick automatic tensioning mechanism of dynamic triple connecting rod |
| CN203627697U (en) * | 2013-12-30 | 2014-06-04 | 浙江大华技术股份有限公司 | Tensioning device and synchronous belt driving mechanism |
| CN203743339U (en) * | 2014-02-08 | 2014-07-30 | 潍柴动力股份有限公司 | Belt tightening device for engine bench test |
| CN204664320U (en) * | 2015-04-10 | 2015-09-23 | 浙江亚特电器有限公司 | One exempts from instrument auto-tensioning system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104832611A (en) | 2015-08-12 |
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Address after: No. 150 Wenlong Road, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Yate Electric Appliance Co.,Ltd. Address before: Jiaxing City, Zhejiang province 314100 Nanhu District Yu Xin Zhen Industrial Zone North Water Road No. 1 Patentee before: ZHEJIANG YAT ELECTRICAL APPLIANCE Co.,Ltd. |
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