CN202955189U - Automatic tensioning wheel - Google Patents
Automatic tensioning wheel Download PDFInfo
- Publication number
- CN202955189U CN202955189U CN 201220702989 CN201220702989U CN202955189U CN 202955189 U CN202955189 U CN 202955189U CN 201220702989 CN201220702989 CN 201220702989 CN 201220702989 U CN201220702989 U CN 201220702989U CN 202955189 U CN202955189 U CN 202955189U
- Authority
- CN
- China
- Prior art keywords
- tension arms
- idle wheel
- wheel shell
- torsion spring
- damping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000013016 damping Methods 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 239000004519 grease Substances 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims description 8
- 239000011230 binding agent Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 230000008595 infiltration Effects 0.000 claims description 3
- 238000001764 infiltration Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 230000003373 anti-fouling effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011499 joint compound Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
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Abstract
The utility model belongs to the technical field of machinery equipment and relates to an automatic tensioning wheel. An oil storage hole is formed on the surface of the inner diameter of a damping lining; high-temperature lubricating grease is coated on the surface of the inner diameter of the damping lining and the oil storage hole; a spring retainer is fastened on the outer diameter of the damping lining; one end of a torsion spring is contacted with a bottom end groove of the damping lining and a hook arm of the other end of the torsion spring stretches into a triangular opening on the side face of a shell of the tensioning wheel; a rotary arm stretches into a square opening on the side face of a tensioning arm; a sliding bearing sleeve is embedded into an inner hole of the tensioning arm; an inner hole of an antifouling cover is riveted with the outer diameter of an inner shaft of the shell of the tensioning wheel; the tensioning arm rotates along the shell of the tensioning wheel; sealing plugs are mounted at the triangular opening on the side face of the shell of the tensioning wheel and the square opening on the side face of the tensioning arm; a belt wheel and a deep groove ball bearing are fixedly mounted on the tensioning arm; a front water baffling ring is mounted on the end face of the deep groove ball bearing; and the deep groove ball bearing and the front water baffling ring are fixed on the tensioning arm. The automatic tensioning wheel has the advantages of compact whole structure, simple preparation process, low cost and long service life.
Description
Technical field:
The utility model belongs to mechanical equipment technical field, relates to a kind of the auto-tensioning equipment that can keep as required belt tension, particularly a kind of automatic tensioner.
Background technique:
At present, not only be widely used the band transmission in motor car engine and driven the annexes such as generator, air condition compressor, water pump, needs and bent axle keep the camshaft of strict phase relationship also to adopt belt wheel transmission; The bel-drivenn accessory system is arranged on the front surface of motor usually, and wherein each annex is arranged on the belt pulley on axle, for receiving the bel-drivenn power from certain form.In early days in system, each annex is driven by the single belt of moving between accessory system and bent axle, but due to the improvement of belt art, mostly apply now single poly Vbelt, each annex is driven by single poly Vbelt roundabout between each appurtenances.Because poly Vbelt must travel back across all annexes, so it is usually long than previously used belt, the use of single poly Vbelt makes engine system arrange than compacter in the past, and also greatly minimizing of cost, and efficiency is higher; Simultaneously, in belt when running, slightly be elongated and will cause tension force to descend, and may cause and skid, and therefore when belt work, requirement has predetermined tension force, and while using single poly Vbelt transmission, may cause because its length is longer skid more serious.So, in the belt working procedure, the automatic tensioner belt pulley based part that is absolutely necessary, it can make belt keep suitable tension force.During the automatic tensioner running, the shake of belt may evoke vibration in tension spring, this vibration should be avoided as far as possible, because it can cause belt and Idle wheel, weares and teares too early, therefore, automatic tensioner has been added damping mechanism, to suppress the vibration produced in running.For fear of belt slippage, compensation belt wearing and tearing and aging after elongation, must keep suitable belt tension, therefore, in the mechanical transmission occasion, Idle wheel becomes requisite parts; Existing Idle wheel operating mode is all more severe, and operating ambient temperature range is-30～150; The gap vertical enters into stretcher inside from the shell of automatic tensioner and rocking arm set for mud, water, sand and dust, erosion, the high temperature resistant lubricating grease that makes to be coated in damping sleeve lost efficacy, the wearing and tearing of damping friction pair accelerate to shorten the working life of automatic tensioner, and erosion can also be destroyed torsion spring and sliding bearing sleeve; The gear mouth place that two pivoted arms of torsion spring are installed directly exposes, larger sand grains directly enters into automatic tensioner inside from the gear mouth, fill in the surface of friction pair in damper assembly, can make friction pair that locking directly occurs, thereby the locking of automatic tensioner rocking arm occurs, cause automatic tensioner to lose efficacy, whole accessory wheel system breaks down, after tiny grit thing enters the interior sliding bearing sleeve of automatic tensioner, can destroy the wear resistant coating of sliding bearing sleeve internal surface, make the sliding bearing sleeve wearing and tearing, lost efficacy, shorten the working life of automatic tensioner.
Summary of the invention:
Goal of the invention of the present utility model is to overcome the shortcoming that prior art exists, seek the Idle wheel of a kind of new structure of design preparation, realization is protected effect in the operating mode rugged environment, stop silt, water, the foreign matter such as dust or corrosion dirt enter in automatic tensioner, get rid of foreign matter and enter damped system, cause automatic tensioner to lose efficacy, strengthen the automatic tensioner reliability of operation, extend the working life of automatic tensioner in system, increase waterproof ring at bearing face simultaneously, the protection bearing, make it to avoid into water, further increase the using effect of automatic tensioner.
To achieve these goals, agent structure of the present utility model comprises tension arms, Idle wheel shell, sliding bearing sleeve, damping bushing, spring retainer, torsion spring, dirtproof cover, deep groove ball bearing, belt pulley, front water holding ring, clamping bolt, seal ring, sealing plug, sealing plug and high temperature grease; The damping bushing inside diameter surface is shaped with the store oil hole, high temperature grease is coated in the inside diameter surface and store oil hole of damping bushing, spring retainer is fastened on the damping bushing external diameter, be enclosed within on the interior axle external diameter of Idle wheel shell, the torsion spring cover is on the spring retainer external diameter, torsion spring one end and damping bushing bottom trench contact, the clevis arm of the torsion spring the other end extend in the estuary of Idle wheel shell side, an end of permanent twist spring; Sliding bearing sleeve is embedded in the tension arms endoporus; Tension arms and Idle wheel shell are composite structure, and wherein in tension arms, the external diameter of axle coordinates with the damping bushing internal diameter, and in the stretcher hub cap, the external diameter of axle coordinates with sliding bearing sleeve; The pivoted arm of the other end of torsion spring extend in the square opening of tension arms side, then axle external diameter in the endoporus of dirtproof cover and Idle wheel shell is riveted together; Tension arms rotates around the Idle wheel shell, drives two arm variable angle of torsion spring, makes to produce moment of torsion between tension arms and Idle wheel shell; The torsion spring internal diameter varies, the squeezed air-damping lining, make the change in friction force between the axle external diameter in damping bushing and tension arms, produce damping, stop that tension arms is relative with the Idle wheel shell to be rotated, with the common construction system moment of torsion of torsional moment that torsion spring produces, high temperature grease plays the effect of damping oil, reduces the wearing and tearing of damping sleeve; The estuary place of Idle wheel shell side is equipped with sealing plug, and the sidewall square opening place of tension arms is equipped with sealing plug, between tension arms external diameter port and Idle wheel shell external diameter port, installs seal ring additional, prevents that the foreign matters such as silt and water from entering in Idle wheel; Belt pulley and deep groove ball bearing combination are fixedly mounted on tension arms, front water holding ring is arranged on the end face of deep groove ball bearing, with clamping bolt, deep groove ball bearing and front water holding ring is fixed on tension arms, prevents that Idle wheel is when severe operating mode, water spatters in bearing seal place, causes infiltration to be lost efficacy; Belt pulley rotates around the Idle wheel shell with tension arms; Each component combination forms water proof anti-soil formula automatic tensioner, is arranged on the train automatic tensioning belt, realizes reducing the effect of vibration; Sealing plug used adopts rubber, plastics or cured binders fixed installation, or adopt tinsel by screw fastening on the side of Idle wheel shell; Sealing plug adopts rubber, plastics or cured binders fixed installation, or adopt tinsel by screw fastening on the side of tension arms.
Compared with prior art, its compact overall structure, prepare processing technology simple to the utility model, and cost is low, increases reliability, long service life.
The accompanying drawing explanation:
Fig. 1 is main body cross-section structure principle schematic of the present utility model.
Fig. 2 is side structure principle schematic of the present utility model.
Embodiment:
Below by embodiment, also be described further by reference to the accompanying drawings.
Embodiment:
The agent structure of the present embodiment comprises tension arms 1, Idle wheel shell 2, sliding bearing sleeve 3, damping bushing 4, spring retainer 5, torsion spring 6, dirtproof cover 7, deep groove ball bearing 8, belt pulley 9, front water holding ring 10, clamping bolt 11, seal ring 12, sealing plug 13, sealing plug 14 and high temperature grease 15; Damping bushing 4 inside diameter surfaces are shaped with the store oil hole, high temperature grease 15 is coated in the inside diameter surface and store oil hole of damping bushing 4, spring retainer 5 is fastened on damping bushing 4 external diameters, be enclosed within on the interior axle external diameter of Idle wheel shell 2, torsion spring 6 covers are on spring retainer 5 external diameters, torsion spring 6 one ends and damping bushing 4 bottom trench contacts, the clevis arm of torsion spring 6 the other ends extend in the estuary of Idle wheel shell 2 sides, an end of permanent twist spring 6; Sliding bearing sleeve 3 is embedded in tension arms 1 endoporus; Tension arms 1 is composite structure with Idle wheel shell 2, and wherein the external diameter of tension arms 1 interior axle coordinates with damping bushing 4 internal diameters, and the external diameter of stretcher hub cap 2 interior axles coordinates with sliding bearing sleeve 3; The pivoted arm of the other end of torsion spring 6 extend in the square opening of tension arms 1 side, then the endoporus of dirtproof cover 7 and the interior axle external diameter of Idle wheel shell 2 is riveted together; Tension arms 1 rotates around Idle wheel shell 2, drives two arm variable angle of torsion spring 6, makes to produce moment of torsion between tension arms 1 and Idle wheel shell 2; Torsion spring 6 internal diameter varies, squeezed air-damping lining 4, make the change in friction force between the interior axle external diameter of damping bushing 4 and tension arms 1, produce damping, stop tension arms 1 rotation relative to Idle wheel shell 2, with the common construction system moment of torsion of torsional moment that torsion spring 6 produces, high temperature grease 15 plays the effect of damping oil, reduces the wearing and tearing of damping sleeve; The estuary place of Idle wheel shell 2 sides is equipped with sealing plug 13, the sidewall square opening place of tension arms 1 is equipped with sealing plug 14, install seal ring 12 additional between tension arms 1 external diameter port and Idle wheel shell 2 external diameter ports, prevent that the foreign matters such as silt and water from entering in Idle wheel; Belt pulley 9 is fixedly mounted on tension arms 1 with deep groove ball bearing 8 combinations, front water holding ring 10 is arranged on the end face of deep groove ball bearing 8, with clamping bolt 11, deep groove ball bearing 8 and front water holding ring 10 are fixed on tension arms 1, prevent that Idle wheel is when severe operating mode, water spatters in bearing seal place, causes infiltration to be lost efficacy; Belt pulley 9 rotates around Idle wheel shell 2 with tension arms 1; Each component combination forms water proof anti-soil formula automatic tensioner, is arranged on the train automatic tensioning belt, realizes reducing the effect of vibration; Sealing plug used 13 adopts rubber, plastics or cured binders fixed installation, or adopt tinsel by screw fastening on the side of Idle wheel shell 2; Sealing plug 14 adopts rubber, plastics or cured binders fixed installation, or adopt tinsel by screw fastening on the side of tension arms 1.
Claims (1)
1. an automatic tensioner, is characterized in that agent structure comprises tension arms, Idle wheel shell, sliding bearing sleeve, damping bushing, spring retainer, torsion spring, dirtproof cover, deep groove ball bearing, belt pulley, front water holding ring, clamping bolt, seal ring, sealing plug, sealing plug and high temperature grease; The damping bushing inside diameter surface is shaped with the store oil hole, high temperature grease is coated in the inside diameter surface and store oil hole of damping bushing, spring retainer is fastened on the damping bushing external diameter, be enclosed within on the interior axle external diameter of Idle wheel shell, the torsion spring cover is on the spring retainer external diameter, torsion spring one end and damping bushing bottom trench contact, the clevis arm of the torsion spring the other end extend in the estuary of Idle wheel shell side, an end of permanent twist spring; Sliding bearing sleeve is embedded in the tension arms endoporus; Tension arms and Idle wheel shell are composite structure, and wherein in tension arms, the external diameter of axle coordinates with the damping bushing internal diameter, and in the stretcher hub cap, the external diameter of axle coordinates with sliding bearing sleeve; The pivoted arm of the other end of torsion spring extend in the square opening of tension arms side, then axle external diameter in the endoporus of dirtproof cover and Idle wheel shell is riveted together; Tension arms rotates around the Idle wheel shell, drives two arm variable angle of torsion spring, makes to produce moment of torsion between tension arms and Idle wheel shell; The torsion spring internal diameter varies, the squeezed air-damping lining, make the change in friction force between the axle external diameter in damping bushing and tension arms, produce damping, stop that tension arms is relative with the Idle wheel shell to be rotated, with the common construction system moment of torsion of torsional moment that torsion spring produces, high temperature grease plays the effect of damping oil, reduces the wearing and tearing of damping sleeve; The estuary place of Idle wheel shell side is equipped with sealing plug, and the sidewall square opening place of tension arms is equipped with sealing plug, between tension arms external diameter port and Idle wheel shell external diameter port, installs seal ring additional; Belt pulley and deep groove ball bearing combination are fixedly mounted on tension arms, front water holding ring is arranged on the end face of deep groove ball bearing, with clamping bolt, deep groove ball bearing and front water holding ring is fixed on tension arms, prevents that Idle wheel is when severe operating mode, water spatters in bearing seal place, causes infiltration to be lost efficacy; Belt pulley rotates around the Idle wheel shell with tension arms; Each component combination forms water proof anti-soil formula automatic tensioner, is arranged on the train automatic tensioning belt, realizes reducing the effect of vibration; Sealing plug used adopts rubber, plastics or cured binders fixed installation, or adopt tinsel by screw fastening on the side of Idle wheel shell; Sealing plug adopts rubber, plastics or cured binders fixed installation, or adopt tinsel by screw fastening on the side of tension arms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220702989 CN202955189U (en) | 2012-12-18 | 2012-12-18 | Automatic tensioning wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220702989 CN202955189U (en) | 2012-12-18 | 2012-12-18 | Automatic tensioning wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202955189U true CN202955189U (en) | 2013-05-29 |
Family
ID=48460763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220702989 Expired - Lifetime CN202955189U (en) | 2012-12-18 | 2012-12-18 | Automatic tensioning wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202955189U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561517A (en) * | 2018-04-08 | 2018-09-21 | 无锡市贝尔特胶带有限公司 | The two-way automatic tensioner of non-equal brachiums |
| CN108561518A (en) * | 2018-04-08 | 2018-09-21 | 无锡市贝尔特胶带有限公司 | The two-way automatic tensioner of equal brachiums |
| CN113124114A (en) * | 2021-03-09 | 2021-07-16 | 江苏大学 | Treadmill drive belt automatic tensioning device with damping mechanism |
-
2012
- 2012-12-18 CN CN 201220702989 patent/CN202955189U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561517A (en) * | 2018-04-08 | 2018-09-21 | 无锡市贝尔特胶带有限公司 | The two-way automatic tensioner of non-equal brachiums |
| CN108561518A (en) * | 2018-04-08 | 2018-09-21 | 无锡市贝尔特胶带有限公司 | The two-way automatic tensioner of equal brachiums |
| CN113124114A (en) * | 2021-03-09 | 2021-07-16 | 江苏大学 | Treadmill drive belt automatic tensioning device with damping mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Xinghua Road, Licang District of Shandong Province, Qingdao City, No. 10, 266041 Patentee after: QINGDAO TAIDE AUTOMOBILE BEARING Co.,Ltd. Address before: Xinghua Road, Licang District of Shandong Province, Qingdao City, No. 10, 266041 Patentee before: QINGDAO TAIDE AUTOMOBILE BEARING Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Automatic tensioning wheel and engine with the same Effective date of registration: 20170718 Granted publication date: 20130529 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO TAIDE AUTOMOBILE BEARING Co.,Ltd. Registration number: 2017370010038 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20181225 Granted publication date: 20130529 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO TAIDE AUTOMOBILE BEARING Co.,Ltd. Registration number: 2017370010038 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Automatic tensioning wheel and engine with the same Effective date of registration: 20190516 Granted publication date: 20130529 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO TAIDE AUTOMOBILE BEARING Co.,Ltd. Registration number: 2019990000431 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200413 Granted publication date: 20130529 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO TAIDE AUTOMOBILE BEARING Co.,Ltd. Registration number: 2019990000431 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130529 |