CN209762011U - Crankshaft damping bush for automobile engine with good buffering and damping performance - Google Patents

Abstract

The utility model relates to the technical field of engine, and a good bent axle shock attenuation bush of automobile engine of buffering shock attenuation nature is disclosed, including the bush main part, set up the oil storage chamber in the bush main part and lead the oil chamber, the oil storage chamber is connected through the first oilhole of leading on the lateral wall of leading the opposite one end of oil chamber, lead the one end of oil intracavity and seted up the tank filler sleeve, install sealing device in the tank filler sleeve, the inlet port has been seted up to the one end in oil storage chamber, sliding connection has the piston in the oil storage chamber, circle of bush main part has evenly seted up the annular oil groove of leading equidistantly, it leads the oilhole to lead to seted up the second on the tank bottom position that the oil chamber is close to lead, the second is led the oil. The utility model discloses make and just inject into machine oil in the short time of not needing, very facilitate the use, and be convenient for add lubricating oil.

Description

Crankshaft damping bush for automobile engine with good buffering and damping performance

Technical Field

The utility model relates to the technical field of engines, especially, relate to a bent axle shock attenuation bush for automobile engine that buffering shock attenuation nature is good.

Background

Current bush has played spacing absorbing function simultaneously as the connecting device of bearing to the bearing, and general bush and bearing can play obvious cushioning effect to engine crankshaft when normal during operation, and at the bearing during operation, the inside machine oil that need pour into of bush plays the lubrication action. However, in order to keep lubrication for a long time, the conventional bushing needs to be filled with oil at intervals, which is very troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art the bush need inject machine oil once every a period of time for keeping lubricated for a long time, very troublesome problem, and the good bent axle shock attenuation bush for automobile engine of buffering shock attenuation nature that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

The utility model provides a good automobile engine of buffering shock attenuation nature is with bent axle shock attenuation bush, includes the bush main part, set up the oil storage chamber in the bush main part and lead the oil chamber, the oil storage chamber is connected through the first oilhole of leading on the lateral wall of leading the oil chamber one end in opposite directions, the tank filler sleeve has been seted up to the one end of leading the oil intracavity, install sealing device in the filler sleeve, the inlet port has been seted up to the one end in oil storage chamber, sliding connection has the piston in the oil storage chamber, circle interior circle of bush main part has seted up annular oil groove of leading equidistantly, it leads the oilhole to lead to have seted up the second on the tank bottom position that the oil groove is close to the oil chamber of leading, the oilhole other.

Preferably, sealing device is including seting up the spout in the tank filler hole, be connected with the slider through hold-down mechanism in the spout, the one end that the oil guide chamber was kept away from to the slider offsets with the tank filler hole, hold-down mechanism includes that two symmetries are seted up the slide bar groove on the spout cell wall, the tank bottom fixedly connected with spring in slide bar groove, spring other end fixedly connected with and slide bar groove sliding connection's slide bar, the one end that the spring was kept away from to the slide bar passes the notch in slide bar groove and outwards extends, and fixed connection is on the corresponding lateral wall of slider.

Preferably, the limiting grooves are symmetrically formed in the groove walls of the sliding rod grooves, limiting blocks are connected in the limiting grooves in a sliding mode, one ends, far away from the bottoms of the limiting grooves, of the limiting blocks penetrate through the notches of the limiting grooves and extend outwards, and the limiting blocks are fixedly connected to the corresponding rod walls of the sliding rods.

Preferably, a sealing ring is sleeved on the piston.

Preferably, a ventilating dustproof plug is installed in the air inlet.

Preferably, a sealing gasket is fixedly mounted at one end, far away from the sliding rod, of the sliding block.

Compared with the prior art, the utility model provides a good crankshaft shock attenuation bush for automobile engine of buffering shock attenuation nature possesses following beneficial effect:

1. This good crankshaft shock attenuation bush of automobile engine of buffering shock attenuation nature, through setting up the bush main part, the oil storage chamber, lead the oil chamber, the tank filler sleeve, the inlet port, piston and lead the oil groove, lubricating oil is consumed in the bush main part, when needing lubricating oil to come the lubrication, it leads the oilhole to enter into and leads the oil groove through the second and lubricates the bearing in leading the oil chamber to lead lubricating oil in the oil chamber, fluid in the oil storage chamber enters into through first leading the oilhole and leads in the oil chamber, lubricating oil in the oil storage chamber is constantly consumed, the piston is under the effect of atmospheric pressure, move in the oil storage chamber, be convenient for lead the oil intracavity with the lubricating oil propulsion in the oil storage chamber, make and just pour into one machine oil into in the short time of.

2. This good crankshaft shock attenuation bush of automobile engine of buffering shock attenuation nature is through setting up slider, spout, slide bar groove, spring and slide bar, when needs additional lubrication oil, to filling lubricating oil in the tank filler hole, lubricating oil promotes the slider, enters into in proper order through the spout and leads oil chamber and oil storage chamber, finally fills up it for additional lubricating oil ten minutes convenient and fast.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses make and do not need just to pour into once machine oil into in the short time, very facilitate the use, and be convenient for add lubricating oil.

Drawings

FIG. 1 is a schematic structural view of a crankshaft damping bushing for an automobile engine with good damping performance;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

FIG. 3 is a sectional view taken along line B-B of FIG. 1;

FIG. 4 is an enlarged view of portion C of FIG. 2;

Fig. 5 is an enlarged view of a portion D in fig. 3.

In the figure: the oil filling device comprises a bushing main body 1, an oil storage cavity 2, an oil guide cavity 3, an oil filling hole 4, an air inlet hole 5, a piston 6, an oil guide groove 7, a sliding groove 8, a sliding block 9, a sliding rod groove 10, a spring 11, a sliding rod 12, a limiting groove 13, a limiting block 14, a sealing ring 15, a dust plug 16 and a sealing gasket 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, a crankshaft damping bushing for an automobile engine with good buffering and damping properties comprises a bushing main body 1, wherein an oil storage cavity 2 and an oil guide cavity 3 are arranged in the bushing main body 1, the side walls of the opposite ends of the oil storage cavity 2 and the oil guide cavity 3 are connected through a first oil guide hole, one end in the oil guide cavity 3 is provided with an oil filling hole 4, a sealing device is arranged in the oil filling hole 4, one end of the oil storage cavity 2 is provided with an air inlet hole 5, a piston 6 is connected in the oil storage cavity 2 in a sliding manner, the inner ring of the bushing main body 1 is uniformly and equidistantly provided with annular oil guide grooves 7, a second oil guide hole is arranged at the position of the groove bottom of the oil guide groove 7, which is close to the oil guide cavity 3, the other end of the second oil guide hole is communicated with the oil guide cavity 3, when lubricating oil in the bushing main body 1 is consumed and needs lubricating oil, the lubricating oil in the, the oil in the oil storage cavity 2 enters the oil guide cavity 3 through the first oil guide hole, the lubricating oil in the oil storage cavity 2 is continuously consumed, the piston 6 moves in the oil storage cavity 2 under the action of the atmospheric pressure, the lubricating oil in the oil storage cavity 2 is conveniently pushed into the oil guide cavity 3, one-time engine oil is not needed to be injected in a short time, and the oil guide cavity is very convenient to use.

sealing device is including seting up the spout 8 in tank filler hole 4, be connected with slider 9 through hold-down mechanism in the spout 8, the one end that slider 9 kept away from oil guide cavity 3 offsets with tank filler hole 4, hold-down mechanism includes that two symmetries set up the slide bar groove 10 on the spout 8 cell wall, the tank bottom fixedly connected with spring 11 of slide bar groove 10, spring 11 other end fixedly connected with and slide bar groove 10 sliding connection's slide bar 12, the one end that spring 11 was kept away from to slide bar 12 passes the notch of slide bar groove 10 and outwards extends, and fixed connection is on the corresponding lateral wall of slider 9, when needs add lubricating oil, fill in oil filler hole 4 with lubricating oil, lubricating oil promotes slider 9, enter into oil guide cavity 3 and oil storage cavity 2 in proper order through spout 8, finally fill up it, make it very local convenient and fast to add lubricating oil.

the wall of the slide bar groove 10 is symmetrically provided with a limiting groove 13, the limiting groove 13 is internally and slidably connected with a limiting block 14, one end of the limiting block 14, which is far away from the bottom of the limiting groove 13, penetrates through the notch of the limiting groove 13 and extends outwards, and is fixedly connected to the corresponding wall of the slide bar 12, so that the limiting function is realized on the slide bar 12.

The piston 6 is sleeved with a sealing ring 15 to play a role in sealing.

And a ventilating dustproof plug 16 is arranged in the air inlet 5, so that the dustproof function is realized.

and a sealing gasket 17 is fixedly arranged at one end of the sliding block 9 far away from the sliding rod 12, so that the sealing function is realized.

The utility model discloses in, lubricating oil is consumed in bush main part 1, when needing lubricating oil to lubricate, lubricating oil enters into through the second in leading oilhole and leads in oil groove 7 and lubricates the bearing in leading oil chamber 3, fluid in oil storage chamber 2 enters into through first leading oilhole and leads in oil chamber 3, lubricating oil in oil storage chamber 2 is constantly consumed, piston 6 is under the effect of atmospheric pressure, remove in oil storage chamber 2, be convenient for impel oil chamber 3 with the lubricating oil in the oil storage chamber 2 in, make and do not need just to pour into once machine oil in the short time, very facilitate the use, when needs add lubricating oil, to filling up lubricating oil in the tank filler hole 4, lubricating oil promotes slider 9, enter into in proper order through spout 8 and lead in oil chamber 3 and the oil storage chamber 2, finally fill up it with it, make and add lubricating oil ten minutes local convenient and fast.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A crankshaft damping bush for an automobile engine with good damping performance comprises a bush main body (1), it is characterized in that an oil storage cavity (2) and an oil guide cavity (3) are arranged in the bushing main body (1), the side walls of the opposite ends of the oil storage cavity (2) and the oil guide cavity (3) are connected through a first oil guide hole, one end in the oil guide cavity (3) is provided with an oil filling hole (4), a sealing device is arranged in the oil filling hole (4), an air inlet hole (5) is formed in one end of the oil storage cavity (2), a piston (6) is connected in the oil storage cavity (2) in a sliding mode, annular oil guide grooves (7) are uniformly and equidistantly arranged on the inner ring of the bushing main body (1), and a second oil guide hole is formed in the position, close to the bottom of the oil guide cavity (3), of the oil guide groove (7), and the other end of the second oil guide hole is communicated with the oil guide cavity (3).

2. The crankshaft shock-absorbing bushing for the automobile engine with good buffering and shock-absorbing performances as claimed in claim 1, wherein the sealing device comprises a sliding groove (8) formed in the oil filling hole (4), the sliding groove (8) is internally connected with a sliding block (9) through a pressing mechanism, one end of the sliding block (9) far away from the oil guide cavity (3) abuts against the oil filling hole (4), the pressing mechanism comprises two sliding rod grooves (10) symmetrically formed in the groove wall of the sliding groove (8), the groove bottom of the sliding rod groove (10) is fixedly connected with a spring (11), the other end of the spring (11) is fixedly connected with a sliding rod (12) slidably connected with the sliding rod groove (10), and one end of the sliding rod (12) far away from the spring (11) penetrates through the notch of the sliding rod groove (10) and extends outwards and is fixedly connected to the corresponding side wall of the sliding block (9).

3. The crankshaft shock-absorbing bushing for the automobile engine with good buffering and shock-absorbing performances as claimed in claim 2, wherein the wall of the sliding rod groove (10) is symmetrically provided with limiting grooves (13), the limiting grooves (13) are slidably connected with limiting blocks (14), one ends of the limiting blocks (14) far away from the bottom of the limiting grooves (13) penetrate through the notches of the limiting grooves (13) and extend outwards, and are fixedly connected to the corresponding rod walls of the sliding rods (12).

4. The crankshaft shock-absorbing bushing for the automobile engine with good shock absorption performance as claimed in claim 1, characterized in that a sealing ring (15) is sleeved on the piston (6).

5. The crankshaft shock absorbing bushing for the automobile engine with good shock absorption of claim 1, characterized in that a ventilating dust plug (16) is installed in the air intake hole (5).

6. The crankshaft shock-absorbing bushing for the automobile engine with good shock absorption and shock absorption performance as claimed in claim 3, characterized in that a sealing gasket (17) is fixedly installed at one end of the sliding block (9) far away from the sliding rod (12).