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a tensioning device

A technology of tensioning device and tensioner, which is applied in the direction of transmission device, belt/chain/gear, mechanical equipment, etc., can solve the problems of complex structure, increase the cost of re-opening large cylinder molds, etc., and achieve the goal of reducing costs Effect

Active Publication Date: 2016-09-07
BYD AUTO IND CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the existing supporting member is cast integrally with the cylinder body and has complex structures, such as hollows and reinforcing ribs, which are prone to waste products during the casting process of the cylinder body, and also increase the cost of re-opening the large mold for the cylinder body

Method used

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Embodiment Construction

[0016] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0017] The invention discloses a tensioning device, figure 2 It is a schematic structural view of the tensioning device of the embodiment of the present invention; the tensioning device is used to maintain the tension of the chain 10, including a tensioner 11, and the tensioner 11 includes a pressing plate 14 and a leaf spring 15, and one side of the pressing plate 14 is in contact with the The chain 10 is in contact, the other side of the pressure plate 14 is in contact with the leaf spring 15, the first end 111 of the pressure plate 14 is movably connected to the engi...

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Abstract

The invention relates to the technical field of automobiles and discloses a tensioning gear. The tensioning gear is used for maintaining chain tension and comprises a tensioner, and the tensioner comprises a press plate and a leaf spring. One face of the press plate is in contact with a chain, and the other face of the press plate is in contact with the leaf spring. The first end of the press plate is movably connected to a main body of an engine, and the second end of the press plate is provided with a hole. The tensioning gear further comprises a positioning bolt pin which is fixed to the main engine body and is capable of moving relative to the hole. The positioning bolt pin penetrates through the hole. By means of the relative movement of the positioning bolt pin in the hole, the tensioner is driven to achieve moderate tension of the chain. Tensioning of the chain can be achieved only by arranging the positioning bolt pin fixed to main engine body and the hole in the second end of the press plate of the tensioner. The simple structure of the tensioning gear facilitates assembly of parts and can reduce cost.

Description

technical field [0001] The invention belongs to the technical field of automobiles, and in particular relates to a tensioning device. Background technique [0002] In the past, in order to apply appropriate tension for smooth power transmission to the endless flexible members such as chains and belts that transmit the power of the engine drive shaft, and to prevent the rotational movement of the drive shaft from causing changes in the tension of the annular flexible members, the endless flexible The member vibrates, and a tensioning device that can automatically adjust the tension of the ring-shaped flexible member is provided. [0003] figure 1 It is a schematic diagram of the structure of the tensioning device in the prior art. The existing chain tensioning device includes a supporting member 1, a flexible pressing plate 2 and a leaf spring 3. The flexible pressing plate 2 is held on the cylinder block, and one end is supported on the supporting member 1, and is connected...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H7/08
CPCF16H7/08F16H2007/0804
Inventor 刘静林晋琛刘恒坤谢民
Owner BYD AUTO IND CO LTD
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