CN211144596U

CN211144596U - Camshaft phaser

Info

Publication number: CN211144596U
Application number: CN201922207548.4U
Authority: CN
Inventors: 王锦富; 王俊杰
Original assignee: Zhejiang Fujiede Automotive Systems Co ltd
Current assignee: Zhejiang Fujiede Automotive Systems Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-07-31
Anticipated expiration: 2029-12-11

Abstract

The utility model discloses a camshaft phaser, including protecgulum, stator, rotor, back lid and sprocket, set up a plurality of oil pocket that a plurality of lug cut apart on the stator, a plurality of blade of rotor is located oil pocket, characterized by respectively: and a return spring is arranged in each oil cavity and is respectively connected with the lug and the blade, and the accumulated elastic force of the return spring can push the blade to drive the rotor to reset. The elastic force accumulated by the return spring can push the blade to drive the rotor to reset, so that the blade is reset more sensitively. The structure of the rear cover and the chain wheel which are integrally formed is more convenient to manufacture, and the structural rigidity is higher. The locking pin is a straight pin, the process is reduced, and the processing is more convenient. The double-sealing gasket is arranged, so that the processing is simpler, and the oil sealing performance is better.

Description

Camshaft phaser

Technical Field

The utility model relates to a camshaft phaser technical field, in particular to camshaft phaser.

Background

At present, chinese patent application No. CN201721227177.0 discloses a camshaft phaser and an engine having the same, including a stator and a rotor, the stator is provided with a spacer, the rotor includes a base and a vane disposed on the base, two adjacent stator spacers and the rotor base form a pressure maintaining chamber, the vane extends into the pressure maintaining chamber and is divided into an angle entering pressure maintaining chamber and a angle lagging pressure maintaining chamber, the vane of the rotor is formed with an angle entering pressure maintaining chamber initial position and an angle entering pressure maintaining chamber end position in rotation, the rotor base is provided with an angle entering oil passage communicated with the angle entering pressure maintaining chamber, at least one angle entering oil passage forms a buffer oil passage, when the vane is located at the angle entering pressure maintaining chamber initial position, the position of an oil outlet of the buffer oil passage is opposite to the end surface of the stator spacer. Through the cooperation of the buffer oil duct and the inlet angle pressure-maintaining cavity, when the stator and the rotor impact reciprocally along with torsional vibration, the effect of buffering and damping is effectively realized, and the problem of noise generated by collision of the stator and the rotor of the engine camshaft phaser is solved.

The above patent documents have drawbacks: the rotor blade is reset only by the driving of the rotating shaft, so that the rotor is not sensitive to reset, and the working effect of the phaser is influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a camshaft phaser, its rotor resets the advantage sensitive, that phaser work effect is good.

Camshaft phaser, including protecgulum, stator, rotor, back lid and sprocket, set up a plurality of oil pocket that a plurality of lug segmentation goes out on the stator, and a plurality of blade of rotor is located oil pocket, characterized by respectively: and a return spring is arranged in each oil cavity and is respectively connected with the lug and the blade, and the accumulated elastic force of the return spring can push the blade to drive the rotor to reset.

Through above-mentioned technical scheme, as preferred, the one side that is located the lug is equipped with the spring holder, and the one end cover of spring is equipped with the recess on the spring holder with the blade side that this side of lug is relative, and the other end of spring is established in the recess.

Through the technical scheme, preferably, the rear cover and the chain wheel are of an integrally formed structure, and the structure is as follows: the rear end of the tubular rear cover is integrally connected with a chain wheel, and the diameter of the chain wheel is larger than that of the tubular rear cover.

With the above configuration, preferably, the lock hole of the rotor is a straight hole, and the lock pin is a straight pin.

Through the technical scheme, preferably, the outer end of each rotor blade and the inner end of each lug are provided with the sealing gasket, so that the oil sealing performance is improved.

The utility model has the advantages of it is following:

The utility model discloses a camshaft phaser, the accumulated elasticity of reset spring can promote the blade and drive the rotor and reset to the restoration of blade is more sensitive.

The utility model discloses a camshaft phaser, back lid and sprocket integrated into one piece's structure manufacturing is more convenient, and structural rigidity is higher.

The utility model discloses a camshaft phaser, locking round pin are straight round pin, and its technology reduces, and it is more convenient to process.

The utility model discloses a camshaft phaser sets up double-seal gasket, and processing is more simple, seals the oil performance better

Drawings

FIG. 1 is an exploded view of an embodiment;

FIG. 2 is a partial exploded view of the embodiment;

Fig. 3 is a partial structural diagram in the embodiment.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1.

Referring to fig. 1-3, a camshaft phaser includes a front cover 1, a stator 2, a rotor 3, a rear cover 4 and a sprocket 5, the stator 2 is provided with a plurality of oil cavities 7 divided by a plurality of bumps 6, and a plurality of vanes 8 of the rotor 3 are respectively located in the oil cavities, which is characterized in that: a return spring 9 is arranged in each oil cavity 7, the return springs 9 are respectively connected with the convex blocks 6 and the blades 8, and the elastic force accumulated by the return springs 9 can push the blades 8 to drive the rotor 3 to reset.

The utility model discloses the during operation, drive shaft drive rotor 3 rotates, and then compression spring 9 accumulates elasticity, and after the drive power of drive shaft turned to or disappeared, the elasticity that reset spring 9 accumulated can promote blade 8 and drive rotor 3 and reset to blade 8's the more sensitive that resets.

A spring seat 10 is arranged on one side of the convex block 6, one end of the spring 9 is sleeved on the spring seat 10, a groove 11 is arranged on the side surface of the blade 8 opposite to the side of the convex block 6, and the other end of the spring 9 is arranged in the groove 11.

The spring is designed to have a certain radian to be matched with the radian of the oil cavity 7.

The rear cover 4 and the chain wheel 5 are integrally formed, and the structure is as follows: the rear end of the tubular rear cover 4 is integrally connected with a chain wheel 5, and the diameter of the chain wheel 5 is larger than that of the tubular rear cover 4.

The integrally formed structure is more convenient to manufacture and has higher structural rigidity.

The locking hole of the rotor is a straight hole, and the locking pin is a straight pin. The process is reduced, and the processing is more convenient.

The outer end of each rotor blade and the inner end of each lug are provided with a sealing gasket 12, so that the oil sealing property is improved. The processing is simpler, and the oil sealing performance is better.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

1. Camshaft phaser, including protecgulum (1), stator (2), rotor (3), back lid (4) and sprocket (5), set up on stator (2) a plurality of oil pocket (7) are cut apart out in a plurality of lug (6), and a plurality of blade (8) of rotor (3) are located oil pocket, characterized by respectively: a return spring (9) is arranged in each oil cavity (7), the return springs (9) are respectively connected with the convex blocks (6) and the blades (8), and the accumulated elastic force of the return springs (9) can push the blades (8) to drive the rotor (3) to return.

2. The camshaft phaser of claim 1, wherein: a spring seat (10) is arranged on one side of the convex block (6), one end of the spring (9) is sleeved on the spring seat (10), a groove (11) is arranged on the side surface of the blade (8) opposite to the side of the convex block (6), and the other end of the spring (9) is arranged in the groove (11).

3. The camshaft phaser of claim 2, wherein: the rear cover (4) and the chain wheel (5) are of an integrally formed structure, and the structure is as follows: the rear end of the tubular rear cover (4) is integrally connected with a chain wheel (5), and the diameter of the chain wheel (5) is larger than that of the tubular rear cover (4).

4. The camshaft phaser of claim 3, wherein: the locking hole of the rotor is a straight hole, and the locking pin is a straight pin.

5. The camshaft phaser of claim 2, wherein: the outer end of each rotor blade and the inner end of each lug are respectively provided with a sealing gasket (12), so that the oil sealing property is improved.