CN112943896A - Low-noise high-transmission-efficiency chain wheel for automobile - Google Patents

Low-noise high-transmission-efficiency chain wheel for automobile Download PDF

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Publication number
CN112943896A
CN112943896A CN202110109762.5A CN202110109762A CN112943896A CN 112943896 A CN112943896 A CN 112943896A CN 202110109762 A CN202110109762 A CN 202110109762A CN 112943896 A CN112943896 A CN 112943896A
Authority
CN
China
Prior art keywords
chain wheel
damping buffer
buffer ring
rubber damping
gear teeth
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.)
Pending
Application number
CN202110109762.5A
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Chinese (zh)
Inventor
朱圣明
单金旺
张宪
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.)
Jiangsu Hailong Electrical Appliance Co ltd
Original Assignee
Jiangsu Hailong Electrical Appliance 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 Jiangsu Hailong Electrical Appliance Co ltd filed Critical Jiangsu Hailong Electrical Appliance Co ltd
Priority to CN202110109762.5A priority Critical patent/CN112943896A/en
Publication of CN112943896A publication Critical patent/CN112943896A/en
Pending legal-status Critical Current

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    • 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
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/30—Chain-wheels
    • 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
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/14—Construction providing resilience or vibration-damping
    • 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
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/30—Chain-wheels
    • F16H2055/306—Chain-wheels with means providing resilience or vibration damping in chain sprocket wheels

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gears, Cams (AREA)

Abstract

The invention discloses a low-noise high-transmission-efficiency chain wheel for an automobile, which comprises a first chain wheel, a second chain wheel, a first gear tooth, a second gear tooth, a connecting ring, a first rubber damping buffer ring and a second rubber damping buffer ring, wherein the chain wheel is additionally provided with the rubber damping buffer ring which is of an integral structure and is provided with a gear tooth through hole, the rubber damping buffer ring penetrates through the gear tooth through hole to be assembled on the chain wheel, the rubber damping buffer ring covers the bottom of the gear tooth and a damping buffer groove, the rubber damping buffer ring can reduce the mutual collision between the chain wheel and a chain in the working process, has the damping effect and reduces the noise, and can reduce the damage caused by the friction between the chain wheel and prolong the service life of the chain wheel, meanwhile, because NR rubber has excellent elasticity, the gripping force of the chain on the chain wheel is increased in the rolling process, the invention has the advantages of anti-drop, shock absorption and noise reduction.

Description

Low-noise high-transmission-efficiency chain wheel for automobile
Technical Field
The invention relates to the technical field of automobile processing, in particular to a low-noise high-transmission-efficiency automobile chain wheel.
Background
The sprocket is a cogged sprocket for engaging precisely pitched blocks on a chain link or cable, and is a solid or spoked gear that engages a (roller) chain to transmit motion. The chain wheel is widely applied to mechanical transmission and the like in the industries of chemical engineering, textile machinery, food processing, instruments, petroleum and the like. The chain wheel can work in severe environments such as high temperature, humidity, dustiness, pollution and the like. The existing automobile chain wheel has the problems of high noise, easy falling of a chain and poor transmission efficiency during operation.
The invention aims to solve the technical problems by providing a low-noise high-transmission-efficiency automobile chain wheel.
Disclosure of Invention
The invention aims to provide a low-noise high-transmission-efficiency automobile chain wheel to solve the problems.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a sprocket for low noise high transmission efficiency car which characterized in that: the damping device comprises a first chain wheel, a second chain wheel, first gear teeth, second gear teeth, a connecting ring, a first rubber damping buffer ring and a second rubber damping buffer ring, wherein the first gear teeth are arranged on the outer side of the first chain wheel, the second gear teeth are arranged on the outer side of the second chain wheel, the size of the first chain wheel is 1.5-3 times that of the second chain wheel, the first chain wheel and the second chain wheel are respectively positioned at two ends of the connecting ring, first gear teeth through holes are formed in the first rubber damping buffer ring, the number of the first gear teeth through holes is the same as that of the first gear teeth, the first gear teeth and the second gear teeth are matched with each other, second gear teeth through holes are formed in the second rubber damping buffer ring, the number of the second gear teeth through holes is the same as that of the second gear teeth, the first rubber damping buffer ring is sleeved on the first gear teeth through holes, therefore, the first rubber damping buffer ring is sleeved on the first chain wheel, the second rubber damping buffer ring is sleeved on the second wheel teeth through hole, the second rubber damping buffer ring is sleeved on the second chain wheel, a damping buffer groove is formed between every two adjacent first wheel teeth, a damping buffer groove is also formed between every two adjacent second wheel teeth, and the first rubber damping buffer ring and the second rubber damping buffer ring are both of a circular integral structure.
Furthermore, the first rubber damping buffer ring and the second rubber damping buffer ring are made of NR rubber.
Furthermore, both sides of the damping buffer groove, both ends of the top of the first gear teeth and both ends of the top of the second gear teeth are arc transition angles.
Furthermore, the heights of the first gear and the second gear are both 6mm-16 mm.
Further, the diameter of the bottom of the first gear is 1.5 to 3.0 times of the diameter of the top, and the diameter of the bottom of the second gear is 1.5 to 3.0 times of the diameter of the top.
Furthermore, the thickness of the first rubber damping buffer ring and the second rubber damping buffer ring is 1mm-3 mm.
Further, the distance between two adjacent first gears is 8mm-16mm, and the distance between two adjacent second gears is 8mm-16 mm.
Compared with the prior art, the invention has the advantages that: the rubber damping buffer ring is additionally arranged on the chain wheel, the rubber damping buffer ring is of an integral structure and is provided with a gear tooth through hole, the rubber damping buffer ring penetrates through the gear tooth through hole to be assembled on the chain wheel, the rubber damping buffer ring covers the bottom of the gear tooth and the damping buffer groove, the rubber damping buffer ring can reduce mutual collision between the chain wheel and the chain in the working process, the rubber damping buffer ring has a damping effect and reduces noise, on the other hand, damage caused by friction between the chain wheel and the chain wheel can be reduced, the service life of the chain wheel is prolonged, meanwhile, the NR rubber has excellent elasticity, so that the chain has increased gripping force on the chain wheel in the rolling process, and the anti-falling effect is further achieved.
Drawings
FIG. 1 is a schematic view of a low noise and high transmission efficiency sprocket for an automobile according to the present invention;
FIG. 2 is a right side view of the construction of a low noise, high transmission efficiency sprocket for an automobile of the present invention;
in the drawings: 1. a first sprocket; 2. a second sprocket; 3. a first gear tooth; 4. a second gear tooth; 5. a connecting ring; 6. a first rubber damping cushion ring; 7. a second rubber damping buffer ring; 8. a first gear tooth through hole; 9. a second gear tooth through hole; 10. shock attenuation buffer tank.
Detailed Description
In view of the defects in the prior art, the technical scheme of the invention is provided through long-term research and massive practice. The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Fig. 1 is a schematic structural view of a low-noise high-transmission-efficiency sprocket for an automobile according to the present invention, and fig. 2 is a right side view of a low-noise high-transmission-efficiency sprocket for an automobile according to the present invention, as shown in fig. 1 and 2, in an embodiment of the present invention, there is provided a low-noise high-transmission-efficiency sprocket for an automobile, characterized in that: the damping device comprises a first chain wheel 1, a second chain wheel 2, first gear teeth 3, second gear teeth 4, a connecting ring 5, a first rubber damping buffer ring 6 and a second rubber damping buffer ring 7, wherein the first gear teeth 3 are arranged on the outer side of the first chain wheel 1, the second gear teeth 4 are arranged on the outer side of the second chain wheel 2, the size of the first chain wheel 1 is 1.5-3 times that of the second chain wheel 2, the first chain wheel 1 and the second chain wheel 2 are respectively positioned at two ends of the connecting ring 5, first gear teeth through holes 8 are arranged on the first rubber damping buffer ring 6, the number of the first gear teeth through holes 8 on the first rubber damping buffer ring 6 is the same as that of the first gear teeth 3, and the two are matched with each other, second gear teeth through holes 9 are arranged on the second rubber damping buffer ring 7, the number of the second gear teeth through holes 9 on the second rubber damping buffer ring 7 is the same as that of the second gear teeth 4, and the two match each other, first rubber shock attenuation buffer ring 6 cup joints on first teeth of a cogwheel 3 through first teeth of a cogwheel through-hole 8 to make first rubber shock attenuation buffer ring 6 cup joint on first sprocket 1, second rubber shock attenuation buffer ring 7 cup joints on second teeth of a cogwheel 4 through second teeth of a cogwheel through-hole 9, thereby make second rubber shock attenuation buffer ring 7 cup joint on second sprocket 2, form a shock attenuation buffer slot 10 between two adjacent first teeth of a cogwheel 1, form a shock attenuation buffer slot 10 between two adjacent second teeth of a cogwheel 2 equally, first rubber shock attenuation buffer ring 6 and second rubber shock attenuation buffer ring 7 are circular overall structure.
Preferably, the first rubber cushion ring 6 and the second rubber cushion ring 7 are made of NR rubber.
Preferably, both sides of the damping and buffering groove 10, both ends of the top of the first gear tooth 3 and both ends of the top of the second gear tooth 4 are arc transition angles.
Preferably, the height of the first gear 3 and the height of the second gear 4 are both 6mm to 16 mm.
Preferably, the diameter of the bottom of the first gear 3 is 1.5 to 3.0 times the diameter of the top, and the diameter of the bottom of the second gear 4 is 1.5 to 3.0 times the diameter of the top.
Preferably, the thickness of the first rubber damping cushion ring 6 and the second rubber damping cushion ring 7 is 1mm-3 mm.
Preferably, the distance between two adjacent first gears 3 is 8mm-16mm, and the distance between two adjacent second gears 4 is 8mm-16 mm.
The beneficial effects of the invention include: the rubber damping buffer ring is additionally arranged on the chain wheel, the rubber damping buffer ring is of an integral structure and is provided with a gear tooth through hole, the rubber damping buffer ring penetrates through the gear tooth through hole to be assembled on the chain wheel, the rubber damping buffer ring covers the bottom of the gear tooth and the damping buffer groove, the rubber damping buffer ring can reduce mutual collision between the chain wheel and the chain in the working process, the rubber damping buffer ring has a damping effect and reduces noise, on the other hand, damage caused by friction between the chain wheel and the chain wheel can be reduced, the service life of the chain wheel is prolonged, meanwhile, the NR rubber has excellent elasticity, so that the chain has increased gripping force on the chain wheel in the rolling process, and the anti-falling effect is further achieved.
It should be understood that the above-mentioned embodiments are only illustrative of the technical concepts and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, and not to limit the scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a sprocket for low noise high transmission efficiency car which characterized in that: the damping device comprises a first chain wheel, a second chain wheel, first gear teeth, second gear teeth, a connecting ring, a first rubber damping buffer ring and a second rubber damping buffer ring, wherein the first gear teeth are arranged on the outer side of the first chain wheel, the second gear teeth are arranged on the outer side of the second chain wheel, the size of the first chain wheel is 1.5-3 times that of the second chain wheel, the first chain wheel and the second chain wheel are respectively positioned at two ends of the connecting ring, first gear teeth through holes are formed in the first rubber damping buffer ring, the number of the first gear teeth through holes is the same as that of the first gear teeth, the first gear teeth and the second gear teeth are matched with each other, second gear teeth through holes are formed in the second rubber damping buffer ring, the number of the second gear teeth through holes is the same as that of the second gear teeth, the first rubber damping buffer ring is sleeved on the first gear teeth through holes, therefore, the first rubber damping buffer ring is sleeved on the first chain wheel, the second rubber damping buffer ring is sleeved on the second wheel teeth through hole, the second rubber damping buffer ring is sleeved on the second chain wheel, a damping buffer groove is formed between every two adjacent first wheel teeth, a damping buffer groove is also formed between every two adjacent second wheel teeth, and the first rubber damping buffer ring and the second rubber damping buffer ring are both of a circular integral structure.
2. The sprocket for vehicle as set forth in claim 1, wherein: the first rubber damping buffer ring and the second rubber damping buffer ring are made of NR rubber.
3. The sprocket for vehicle as set forth in claim 1, wherein: the two sides of the damping buffer groove, the two ends of the top of the first gear teeth and the two ends of the top of the second gear teeth are all arc transition angles.
4. The sprocket for vehicle as set forth in claim 1, wherein: the heights of the first gear and the second gear are both 6mm-16 mm.
5. The sprocket for vehicle as set forth in claim 1, wherein: the diameter of the bottom of the first gear is 1.5-3.0 times of the diameter of the top, and the diameter of the bottom of the second gear is 1.5-3.0 times of the diameter of the top.
6. The sprocket for vehicle as set forth in claim 1, wherein: the thickness of the first rubber damping buffer ring and the second rubber damping buffer ring is 1mm-3 mm.
7. The sprocket for vehicle as set forth in claim 1, wherein: the distance between two adjacent first gears is 8mm-16mm, and the distance between two adjacent second gears is 8mm-16 mm.
CN202110109762.5A 2021-01-27 2021-01-27 Low-noise high-transmission-efficiency chain wheel for automobile Pending CN112943896A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110109762.5A CN112943896A (en) 2021-01-27 2021-01-27 Low-noise high-transmission-efficiency chain wheel for automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110109762.5A CN112943896A (en) 2021-01-27 2021-01-27 Low-noise high-transmission-efficiency chain wheel for automobile

Publications (1)

Publication Number Publication Date
CN112943896A true CN112943896A (en) 2021-06-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110109762.5A Pending CN112943896A (en) 2021-01-27 2021-01-27 Low-noise high-transmission-efficiency chain wheel for automobile

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1156106A (en) * 1996-10-30 1997-08-06 朱加正 Automatic speed-transformation of bicycle
JP2007009973A (en) * 2005-06-29 2007-01-18 Toyota Motor Corp Sprocket
US20130059689A1 (en) * 2010-05-21 2013-03-07 Borgwarner Inc. Cushioning structure for a sprocket
CN207297824U (en) * 2017-10-16 2018-05-01 浙江中益机械有限公司 A kind of anticreep chain drive double chain wheel
CN209587091U (en) * 2019-01-16 2019-11-05 浙江巴斯曼机械有限公司 A kind of sprocket wheel with low noise flexibility function

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1156106A (en) * 1996-10-30 1997-08-06 朱加正 Automatic speed-transformation of bicycle
JP2007009973A (en) * 2005-06-29 2007-01-18 Toyota Motor Corp Sprocket
US20130059689A1 (en) * 2010-05-21 2013-03-07 Borgwarner Inc. Cushioning structure for a sprocket
CN207297824U (en) * 2017-10-16 2018-05-01 浙江中益机械有限公司 A kind of anticreep chain drive double chain wheel
CN209587091U (en) * 2019-01-16 2019-11-05 浙江巴斯曼机械有限公司 A kind of sprocket wheel with low noise flexibility function

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Application publication date: 20210611