CN201614950U - Tensioner for timing belt of engine - Google Patents

Tensioner for timing belt of engine Download PDF

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Publication number
CN201614950U
CN201614950U CN2009202993899U CN200920299389U CN201614950U CN 201614950 U CN201614950 U CN 201614950U CN 2009202993899 U CN2009202993899 U CN 2009202993899U CN 200920299389 U CN200920299389 U CN 200920299389U CN 201614950 U CN201614950 U CN 201614950U
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CN
China
Prior art keywords
pivot
bearing
timing belt
engine
regulator
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 - Fee Related
Application number
CN2009202993899U
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Chinese (zh)
Inventor
王利兴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chery Automobile Co Ltd
Original Assignee
SAIC Chery Automobile Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SAIC Chery Automobile Co Ltd filed Critical SAIC Chery Automobile Co Ltd
Priority to CN2009202993899U priority Critical patent/CN201614950U/en
Application granted granted Critical
Publication of CN201614950U publication Critical patent/CN201614950U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a tensioner for the timing belt of an engine. The tensioner comprises a ladder-shaped columnar pivot (3); a regulator (1) is mounted at one end of the pivot (3), of which the diameter is smaller; a tentioner arm (6) is mounted outside the circumference of the pivot (3), of which the diameter is larger; a damping ring (5) is rotationally mounted between the pivot (3) and the tensioner arm (6); a base (7) is mounted at the end part of one end of the pivot (3), which has larger diameter and is opposite to the regulator (1); a torque spring (8) and a damping washer (9) are mounted between the tensioner arm (6) and the base (7) through the pivot (3); a bearing (2) is mounted on the tensioner arm (6); and a belt wheel (4) is mounted at the outer ring of the bearing (2). As the technical scheme is adopted, the tensioner has the advantages of simple structure, convenient assembly, wide use, low cost, higher reliability of parts and system, decrement in vibration and phase error of engine system, higher engine performance and longer engine life.

Description

A kind of engine timing belt stretcher
Technical field
The utility model relates to technical field of engines, especially relates to a kind of engine timing belt stretcher.
Background technique
At present, the home and abroad engine timing drives general adopt chain or Timing Belt transmission, owing to advantages such as the Timing Belt transmission system does not need to lubricate, noise is little, phase place is accurate, fuel economy is good are widely used.In the Timing Belt drive system, often adopt automatic tensioner, on the one hand provide enough tension force guaranteeing the power of stable delivery bent axle, thereby reach the opening and closing on time of driving valve mechanism, make motor be able to continuous operation to camshaft to belt; Be to be used for control system vibration, noise, to make the steady comfortable work of motor on the other hand.
The stretcher of using in the real work mainly contains following drawback: 1, complex structure, and assembly is various, and assembling is difficult for, and the damage of falling apart easily in carrying and the use was lost efficacy; 2, bulky, specialized designs the timing alignment components, cause exsertion part more, be difficult for to arrange, easily with other parts interference; 3, stretcher attachment face and adjusting range are all wanted particular design, and on cylinder body relevant position fluting or increase auxiliary hole stretcher could be installed, adjusting part often adopts the die casting aluminium structural material again, intensity is lower, is ftractureing poor reliability easily in the adjusting repeatedly.
The model utility content
Technical problem to be solved in the utility model is to provide a kind of engine timing belt stretcher at problems of the prior art, its objective is and can satisfy the motor that is applicable to different attachment faces, and simple in structure, easy for installation, system reliability is high.
The technical solution of the utility model is that this kind engine timing belt comprises stair-stepping cylindrical body pivot with stretcher, on the less end of pivot diameter regulator is installed, tension arms is installed in outside the circumference that diameter is bigger on the pivot, the damping collar is rotatably installed between pivot and the tension arms, pedestal is installed in the bigger end of diameter on the pivot, and the end of an end relative with regulator; Torsion spring and damping gasket are by being pivotally mounted between tension arms and the pedestal, and Bearing Installation is on tension arms, and the outer ring of bearing is equipped with belt wheel.
The outer ring of described bearing is provided with groove, the inner ring of belt wheel be provided with bearing on the corresponding projection of groove, bearing cooperates with projection by described groove with belt wheel and is injection-moulded in.
Be equipped with the timing alignment mark on described regulator and the pedestal, regulate the frock hole and regulate bearing mark.
Described regulator and the installation fit system of pivot are that interference press-fits and cooperates.
Described pedestal and the installation fit system of pivot are that interference press-fits and cooperates.
A kind of engine timing belt with above-mentioned special construction has the following advantages with stretcher:
1, this kind stretcher adopts the interference fit mounting type need not block the class fixed component, reduces parts, reduces cost, and avoids falling apart, increases parts and system reliability; Timing alignment mark and regulate that bearing mark is concentrated to regulator and above the pedestal in addition, different attachment faces can be arranged in different engine timing belt drive systems, reduce the stretcher exposed part, avoid interfering with other parts, regulator and pedestal all adopt iron material, and intensity is higher, are difficult for breaking when regulating stretcher, and all have the timing alignment mark above the two and regulate the frock hole, can satisfy the motor that is applicable to different attachment faces.
2, the bearing outer ring in this kind stretcher has groove and the direct molding and forming of plastics belt wheel, can effectively prevent the two disengaging.
3, this kind stretcher adopts bolt directly to be fixed on the motor, need not slot in addition or the hole on engine cylinder-body or cylinder cap, and installation is regulated simple and convenient.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is a sectional structure schematic representation of the present utility model.
Fig. 2 is the side-looking structural representation of regulator in the utility model.
Fig. 3 is the side-looking structural representation of pedestal in the utility model.
Fig. 4 is first kind of layout schematic representation of stretcher.
Fig. 5 is second kind of layout schematic representation of stretcher.
In Fig. 1-5,1: regulator; 2: bearing; 3: pivot; 4: belt wheel; 5: damping bushing; 6: tension arms; 7: pedestal; 8: torsion spring; 9: damping gasket; 10: timing alignment mark: 11: regulate the frock hole; 12: regulate bearing mark; 13: the intake cam shaftgear; 14: idle pulley; 15: Water-pump belt wheel; 16: timing belt; 17: crankshaft timing gear; 18: the exhaust cam shaftgear; 19: camshaft gear wheel; 20: function pump belt wheel.
Embodiment
By the combination of structure shown in Fig. 1-3 as can be known, this kind engine timing belt comprises stair-stepping cylindrical body pivot 3 with stretcher, on the less end of pivot 3 diameters regulator 1 is installed, tension arms 6 is installed in outside the circumference that diameter is bigger on the pivot 3, the damping collar 5 is rotatably installed between pivot 3 and the tension arms 6, pedestal 7 is installed in the bigger end of diameter on the pivot 3, and the end of an end relative with regulator 1; Torsion spring 8 and damping gasket 9 are installed between tension arms 6 and the pedestal 7 by pivot 3, bearing 2 is installed on the tension arms 6, the outer ring of bearing 2 is equipped with belt wheel 4, the outer ring of bearing 2 is provided with groove, the inner ring of belt wheel 4 be provided with bearing 2 on the corresponding projection of groove, bearing 2 cooperates with projection by described groove with belt wheel 4 and is injection-moulded in, and can prevent the two disengaging.
Be equipped with timing alignment mark 10 on regulator 1 and the pedestal 7, regulate frock hole 11 and regulate bearing mark 12, can satisfy the motor that is applicable to different attachment faces and use.
Regulator 1 and the installation fit system of pivot 3 are that interference press-fits and cooperates, and pedestal 7 and the installation fit system of pivot 3 also are that interference press-fits and cooperates.The mounting type of interference fit need not block the class fixed component, reduces parts, reduces cost, and avoids falling apart, increases parts and system reliability;
Embodiment 1: structure shown in Figure 4 is a kind of mounting type of the utility model stretcher, engine timing system includes timing belt 16, crankshaft timing gear 17, stretcher, exhaust cam shaftgear 18, intake cam shaftgear 13, idle pulley 14 and Water-pump belt wheel 15, above-mentioned each wheel is installed in the same plane, is walked around successively to realize each connection of taking turns and to cooperate by timing belt 16.Adopted the attachment face of structure shown in Figure 1 the Rigen of this system according to engine mounting face requirement for height stretcher, adopting structure shown in Figure 2 is the front mounting type.
Embodiment 2: structure shown in Figure 5 is the another kind of mounting type of the utility model stretcher, engine timing system includes timing belt 16, crankshaft timing gear 17, stretcher, camshaft gear wheel 19, function pump belt wheel 20 and Water-pump belt wheel 15, above-mentioned each wheel is installed in the same plane, is walked around successively to realize each connection of taking turns and to cooperate by timing belt 16.Adopted the attachment face of structure shown in Figure 1 the Rigen of this system according to engine mounting face requirement for height stretcher, adopting structure shown in Figure 3 is the front mounting type.
The utility model assembling simple in structure is timing belt tensioner with low cost easily, the both sides attachment face all has timing alignment mark 10 and regulates frock hole 11, satisfied demand as above-mentioned two kinds of different engine timing belt drive systems of arranging of different attachment faces, and need on engine cylinder-body or cylinder cap, not slot in addition or the hole, all be to adopt bolt directly to be fixed on the motor, installation is regulated simple and convenient.Above-mentioned two embodiments have reached to be provided system tension and reduces the engine system vibration, reduces phase error, improves engine performance, prolongs the motor purpose in working life.

Claims (6)

1. engine timing belt stretcher, it is characterized in that: described stretcher comprises stair-stepping cylindrical body pivot (3), on the less end of pivot (3) diameter regulator (1) is installed, tension arms (6) is installed in pivot (3) and goes up outside the bigger circumference of diameter, the damping collar (5) is rotatably installed between pivot (3) and the tension arms (6), pedestal (7) is installed in pivot (3) and goes up the bigger end of diameter, and the end of an end relative with regulator (1); Torsion spring (8) and damping gasket (9) are installed between tension arms (6) and the pedestal (7) by pivot (3), and bearing (2) is installed on the tension arms (6), and the outer ring of bearing (2) is equipped with belt wheel (4).
2. a kind of engine timing belt stretcher according to claim 1, it is characterized in that: the outer ring of described bearing (2) is provided with groove, the inner ring of belt wheel (4) be provided with bearing (2) on the corresponding projection of groove, bearing (2) cooperates with projection by described groove with belt wheel (4) and is injection-moulded in.
3. a kind of engine timing belt stretcher according to claim 2 is characterized in that: be equipped with timing alignment mark (10) on described regulator (1) and the pedestal (7), regulate frock hole (11) and regulate bearing mark (12).
4. according to the described a kind of engine timing belt stretcher of each claim of claim 1-3, it is characterized in that: described regulator (1) and the installation fit system of pivot (3) are that interference press-fits and cooperates.
5. according to the described a kind of engine timing belt stretcher of each claim of claim 1-3, it is characterized in that: described pedestal (7) and the installation fit system of pivot (3) are that interference press-fits and cooperates.
6. a kind of engine timing belt stretcher according to claim 4 is characterized in that: described pedestal (7) and the installation fit system of pivot (3) are that interference press-fits and cooperates.
CN2009202993899U 2009-12-18 2009-12-18 Tensioner for timing belt of engine Expired - Fee Related CN201614950U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202993899U CN201614950U (en) 2009-12-18 2009-12-18 Tensioner for timing belt of engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202993899U CN201614950U (en) 2009-12-18 2009-12-18 Tensioner for timing belt of engine

Publications (1)

Publication Number Publication Date
CN201614950U true CN201614950U (en) 2010-10-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009202993899U Expired - Fee Related CN201614950U (en) 2009-12-18 2009-12-18 Tensioner for timing belt of engine

Country Status (1)

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CN (1) CN201614950U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102705459A (en) * 2012-03-28 2012-10-03 重庆长安汽车股份有限公司 Motor head gear train belt tightener
CN107387691A (en) * 2017-07-17 2017-11-24 杭州雷迪克节能科技股份有限公司 A kind of asymmetric damping structure tension wheel shaft bearing unit
CN113389813A (en) * 2021-06-11 2021-09-14 广德中隆轴承有限公司 Bearing for belt pulley of high-speed low-torque tensioner

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102705459A (en) * 2012-03-28 2012-10-03 重庆长安汽车股份有限公司 Motor head gear train belt tightener
CN107387691A (en) * 2017-07-17 2017-11-24 杭州雷迪克节能科技股份有限公司 A kind of asymmetric damping structure tension wheel shaft bearing unit
CN107387691B (en) * 2017-07-17 2023-06-09 杭州雷迪克节能科技股份有限公司 Asymmetric damping structure tensioning wheel bearing unit
CN113389813A (en) * 2021-06-11 2021-09-14 广德中隆轴承有限公司 Bearing for belt pulley of high-speed low-torque tensioner

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101027

Termination date: 20131218