CN208153181U - A kind of piston structure of automotive pump - Google Patents

Abstract

The utility model discloses a kind of piston structures of automotive pump, including guard shield, air inlet, piston pusher, cavity and lubricating arrangement, the air inlet is inlaid on the left of the guard shield, the piston pusher of the air inlet and inside, the cavity is equipped on the right side of the piston pusher, the cavity two sides are equipped with the lubricating arrangement, by the way that lubricating arrangement is arranged in the piston of automotive pump, lubricating oil can be inputted from oiler and be then delivered in oil guide pipe by petroleum pipeline, lubricating oil is instilled into piston pusher finally by oil outlet, drive piston rod that reset spring and piston is pulled to move back and forth by linear motor, to which lubricating oil is covered in piston pusher, it is finally reached the effect for reducing friction and lubrication, extend the service life of piston.

Description

A kind of piston structure of automotive pump

Technical field

The utility model relates to automobile pump technical field, specially a kind of piston structure of automotive pump.

Background technique

Piston is parts reciprocating in Motor Engine Cylinder body, and the basic structure of piston can be divided into top, head Portion and skirt section, top land are the major parts for forming combustion chamber, and the piston of automobile engine is the key fitment in engine One of, the parts such as it and piston ring, piston pin form piston group, collectively constitute combustion chamber with cylinder head etc., bear combustion gas effect Power is simultaneously transmitted to crankshaft by piston pin and connecting rod by power, to complete the course of work of internal combustion engine.

The piston of traditional automotive pump, due to lubricity deficiency, will lead to piston and grind in prolonged use process Damage, influences the service life of piston, and the utility model is studied for the piston of automotive pump, devises a kind of automotive pump Piston structure.

Utility model content

The purpose of this utility model is to provide a kind of piston structures of automotive pump, solve proposed in background technique Problem.

To achieve the above object, the utility model provides the following technical solutions：A kind of piston structure of automotive pump, including it is anti- Shell, air inlet, piston pusher, cavity and lubricating arrangement are protected, is inlaid with the air inlet on the left of the guard shield, it is described The piston pusher of air inlet and inside, the piston pusher right side are equipped with the cavity, and the cavity two sides are equipped with The lubricating arrangement.

As a kind of preferred embodiment of the utility model, the piston pusher is by piston rod, reset spring, compression Piston and linear motor composition, the piston rod outside is inlaid with the reset spring, on the right side of the reset spring described in connection Compression piston, the compression piston are electrically connected the linear motor, and the linear motor is embedded in the guard shield inner wall On.

As a kind of preferred embodiment of the utility model, the cavity is divided into inner cavity, extrusion chamber, spout, appendix Formed with gas outlet, the inner cavity is located on the outside of the piston pusher and right side connects the extrusion chamber, the extrusion chamber with The junction of the compression piston is equipped with the spout, is equipped with the appendix, the appendix and right side on the right side of the spout The gas outlet be connected.

As a kind of preferred embodiment of the utility model, the lubricating arrangement by oiler, petroleum pipeline, oil guide pipe and Oil outlet composition, the oiler is embedded on the guard shield and downside connects the petroleum pipeline, the petroleum pipeline downside The oil guide pipe is connected, the oil outlet, piston pusher described in the oil outlet face are equipped on the downside of the oil guide pipe.

Compared with prior art, the beneficial effects of the utility model are as follows：

1. then lubricating oil can be inputted from oiler by defeated by the way that lubricating arrangement is arranged in the piston of automotive pump Oil pipe is delivered in oil guide pipe, and lubricating oil is instilled piston pusher finally by oil outlet, passes through linear motor band piston Bar pulls reset spring and piston to move back and forth, so that lubricating oil is covered in piston pusher, be finally reached reduction friction and The effect of lubrication extends the service life of piston.

Detailed description of the invention

Fig. 1 is a kind of overall schematic of the piston structure of automotive pump of the utility model.

In figure:1- guard shield, 2- air inlet, 3- piston pusher, 4- cavity, 5- lubricating arrangement, 31- piston rod, 32- reset spring, 33- compression piston, 34- linear motor, the inner cavity 41-, 42- extrusion chamber, 43- spout, 44- appendix, 45- Gas outlet, 51- oiler, 52- petroleum pipeline, 53- oil guide pipe, 54- oil outlet.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Referring to Fig. 1, the utility model provides a kind of piston structure technical solution of automotive pump：Including guard shield 1, into Port 2, piston pusher 3, cavity 4 and lubricating arrangement 5, are inlaid with the air inlet 2 on the left of the guard shield 1, it is described into The piston pusher 3 of port 2 and inside is equipped with the cavity 4 on the right side of the piston pusher 3, and 4 two sides of cavity are set There is the lubricating arrangement 5.

The piston pusher 3 is made of piston rod 31, reset spring 32, compression piston 33 and linear motor 34, described It is inlaid with the reset spring 32 on the outside of piston rod 31, the compression piston 33, the pressure are connected on the right side of the reset spring 32 Contracting piston 33 is electrically connected the linear motor 34, and the linear motor 34 is embedded on 1 inner wall of guard shield.

The cavity 4 is made of inner cavity 41, extrusion chamber 42, spout 43, appendix 44 and gas outlet 45, the inner cavity 41 In 3 outside of piston pusher and the right side connection extrusion chamber 42, the company of the extrusion chamber 42 and the compression piston 33 Meet place and be equipped with the spout 43, be equipped with the appendix 44 on the right side of the spout 43, the appendix 44 and right side it is described go out Port 45 is connected.

The lubricating arrangement 5 is made of oiler 51, petroleum pipeline 52, oil guide pipe 53 and oil outlet 54, the oiler 51 It is embedded on the guard shield 1 and downside connects the petroleum pipeline 52, connect the oil guide pipe 53 on the downside of the petroleum pipeline 52, The oil outlet 54, piston pusher 3 described in 54 face of oil outlet, by automotive pump are equipped on the downside of the oil guide pipe 53 Piston in lubricating arrangement 5 is set, lubricating oil can be inputted from oiler 51 and oil guide pipe is then delivered to by petroleum pipeline 52 In 53, lubricating oil is instilled into piston pusher 3 finally by oil outlet 54, drives piston rod 31 to pull by linear motor 34 Reset spring 32 and compression piston 33 move back and forth, so that lubricating oil is covered in piston pusher 3, are finally reached reduction and rub The effect wiped and lubricated, extends the service life of piston.

Working principle：Linear motor 34 drive piston rod 31 pull reset spring 32 and compression piston 33 cavity 4 back and forth Lubricating oil can be inputted from oiler 51 and then be passed through oil transportation by the way that lubricating arrangement 5 is arranged in the piston of automotive pump by movement Pipe 52 is delivered in oil guide pipe 53, lubricating oil is instilled piston pusher 3 finally by oil outlet 54, so that oilcloth will be lubricated In full piston pusher 3, it is finally reached the effect for reducing friction and lubrication, extends the service life of piston.

Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (4)

1. a kind of piston structure of automotive pump, including guard shield (1), air inlet (2), piston pusher (3), cavity (4) and Lubricating arrangement (5), it is characterised in that：Be inlaid with the air inlet (2) on the left of the guard shield (1), the air inlet (2) with The piston pusher (3) of inside, piston pusher (3) right side are equipped with the cavity (4), cavity (4) two sides Equipped with the lubricating arrangement (5).

2. a kind of piston structure of automotive pump according to claim 1, it is characterised in that：The piston pusher (3) by Piston rod (31), reset spring (32), compression piston (33) and linear motor (34) composition, piston rod (31) outside are inlayed Have the reset spring (32), the compression piston (33), the compression piston (33) are connected on the right side of the reset spring (32) It is electrically connected the linear motor (34), the linear motor (34) is embedded on the guard shield (1) inner wall.

3. a kind of piston structure of automotive pump according to claim 2, it is characterised in that：The cavity (4) is by inner cavity (41), extrusion chamber (42), spout (43), appendix (44) and gas outlet (45) composition, the inner cavity (41) are located at the piston On the outside of pusher (3) and right side connects the extrusion chamber (42), the connection of the extrusion chamber (42) and the compression piston (33) Place is equipped with the spout (43), is equipped with the appendix (44) on the right side of the spout (43), the appendix (44) and right side The gas outlet (45) is connected.

4. a kind of piston structure of automotive pump according to claim 1, it is characterised in that：The lubricating arrangement (5) is by entering Hydraulic fluid port (51), petroleum pipeline (52), oil guide pipe (53) and oil outlet (54) composition, the oiler (51) are embedded in outside the protection On shell (1) and downside connects the petroleum pipeline (52), connects the oil guide pipe (53), the Oil Guide on the downside of the petroleum pipeline (52) It manages and is equipped with the oil outlet (54) on the downside of (53), piston pusher (3) described in oil outlet (54) face.