CN208396825U - A kind of pneumatic motor piston with oiling function - Google Patents

Abstract

The utility model relates to starter piston technical fields, and disclose a kind of pneumatic motor piston with oiling function, the piston body includes piston head and skirt body, it is fixedly connected at the top of the bottom of the piston head and skirt body, collection chamber is offered at the top of the piston body, the bottom of the oil-collecting cavity wall offers the port communicated with the bottom of piston body.The utility model solves the problems, such as that traditional, pneumatic machine piston is passively to lubricate by splash, the utility model passes through to petroleum pipeline, oiling groove, dissipate oil connectivity slot, dissipate oil groove, oil outlet and the mutually matched use of collection chamber, when connecting rod band piston body moves up and down, oil in petroleum pipeline enters in scattered oil groove out of petroleum pipeline and through oil outlet, into the oil in scattered oil groove by dissipating in oily connectivity slot and by output oiling groove, in piston body two-way process, solve the problems, such as that piston is also easy to produce grey matter when existing lack of lubrication, improve piston body lubricity, further improve the service life of piston body.

Description

A kind of pneumatic motor piston with oiling function

Technical field

The utility model relates to starter piston technical field, specially a kind of pneumatic motor piston with oiling function.

Background technique

It is automobile that engine, which cans be compared to, " heart ", and piston then can be understood as " maincenter " of engine, in addition to being in It outside severe working environment, most busy one in it or engine, constantly carries out from lower dead center to top dead centre, from upper Reciprocating motion of the stop to lower dead center, air-breathing, compression, workmanship, exhaust, the inside of piston are to empty design, are more like a cap The circular hole of son, both ends connects piston pin, and piston pin connection small end of connecting rod, big end is then connected with crankshaft, by the reciprocal of piston Conversion of motion is the circular motion of crankshaft.

Traditional piston is formed by silico-aluminum die casting, with the circumferential groove in its end portion for inlaying oil ring and compression ring, by with even Bar shares piston pin and links together, and opposite within the scope of certain angle can swing therebetween, the profit of conventional piston and casing wall It is sliding, it is passively lubricated by splash, the process of lubrication is passive lubrication, and after prolonged operation, passive lubrication occurs When obstruction, inside generate grey matter when, will affect the use of piston.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of pneumatic motor piston with oiling function, solves Traditional, pneumatic machine piston is the problem of passively lubrication by splash.

(2) technical solution

To achieve the above object, the utility model provides the following technical solutions: a kind of pneumatic motor with oiling function is living Plug, the piston body includes piston head and skirt body, is fixedly connected at the top of the bottom of the piston head and skirt body, the piston body Top offer collection chamber, the bottom of the oil-collecting cavity wall offers the port communicated with the bottom of piston body, in port It is socketed with connecting rod, and the bottom end of connecting rod extends to the lower section of port, the side surface of the connecting rod offers oil outlet, the port Inner sidewall and be located at oil outlet position offer scattered oil groove, petroleum pipeline, and the bottom of petroleum pipeline are socketed in the connecting rod The lower section of piston body is extended to, the top of the connecting rod is fixedly connected by cylindrical piece with the bottom of piston core, the piston body The side surface of upper end offers annular groove, and the side surface of the piston body upper end offers oiling groove, and oiling groove is located at annular groove Lower section, the side of the oiling groove inner wall, which offers, dissipates oily connectivity slot, the two sides of the scattered oily connectivity slot inner cavity respectively with scattered oil Slot is connected with oiling groove.

Preferably, the top of the cylindrical piece is located at the middle part of piston core bottom, and the bottom of cylindrical piece is located at connecting rod top The middle part in portion.

Preferably, the piston core is socketed in collection chamber, and piston core is located at the middle part of collection chamber inner cavity.

Preferably, the bottom end of the cylindrical piece is socketed in the top of port inner cavity, and the collection that the top of cylindrical piece is socketed in Oil pocket inner cavity.

Preferably, the oiling groove, scattered oil groove and scattered oily connectivity slot are provided with the junction of piston head and skirt body.

Preferably, the oil outlet is communicated with the top of petroleum pipeline, and the top of petroleum pipeline and the top of connecting rod inner wall are solid Fixed connection.

Working principle: in use, when connecting rod band piston body moves up and down, petroleum pipeline being capable of discontinuity fuel feeding or continuity Fuel feeding is carried out, the oil in petroleum pipeline enters in scattered oil groove out of petroleum pipeline and through oil outlet, passes through into the oil in scattered oil groove Oil connectivity slot is dissipated by output oiling groove, and in piston body two-way process, oil can be brought into collection chamber by movable piston body.

(3) beneficial effect

The utility model provides a kind of pneumatic motor piston with oiling function.Have it is following the utility model has the advantages that

The utility model is by mutually matching petroleum pipeline, oiling groove, scattered oily connectivity slot, scattered oil groove, oil outlet and collection chamber The use of conjunction, when connecting rod band piston body moves up and down, the oil in petroleum pipeline enters scattered oil groove out of petroleum pipeline and through oil outlet Interior, into the oil in scattered oil groove by dissipating in oily connectivity slot and by output oiling groove, in piston body two-way process, oil can It is brought into collection chamber by movable piston body, at this point, piston only can carry out active oiling in active procedure, avoids existing The problem of piston is also easy to produce lack of lubrication by the mode for lubrication of splashing, meanwhile, piston is also easy to produce when solving existing lack of lubrication The problem of grey matter, improves piston body lubricity, further improves the service life of piston body.

Detailed description of the invention

Fig. 1 is the front section view of the utility model structure；

Fig. 2 is the front view of the utility model structure.

In figure: 1 piston body, 101 piston heads, 102 skirt bodies, 2 connecting rods, 3 petroleum pipelines, 4 cylindrical pieces, 5 ports, 6 piston cores, 7 Annular groove, 8 oiling grooves, 9 dissipate oily connectivity slot, 10 scattered oil grooves, 11 oil outlets, 12 collection chambers.

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.

As shown in Figs. 1-2, the utility model provides a kind of technical solution: a kind of pneumatic motor piston with oiling function, Piston body 1 includes piston head 101 and skirt body 102, and the bottom of piston head 101 is fixedly connected with the top of skirt body 102, piston body 1 Top offer collection chamber 12, the bottom of 12 inner wall of collection chamber offers the port 5 communicated with the bottom of piston body 1, port 5 It is inside socketed with connecting rod 2, and the bottom end of connecting rod 2 extends to the lower section of port 5, the side surface of connecting rod 2 offers oil outlet 11, port 5 inner sidewall and be located at oil outlet 11 position offer scattered oil groove 10, oil outlet 11 is communicated with the top of petroleum pipeline 3, and defeated It is fixedly connected at the top of the top of oil pipe 3 and 2 inner wall of connecting rod, petroleum pipeline 3 is socketed in connecting rod 2, and the bottom of petroleum pipeline 3 is prolonged The lower section of piston body 1 is extended to, the top of connecting rod 2 is fixedly connected by cylindrical piece 4 with the bottom of piston core 6, the top of cylindrical piece 4 Positioned at the middle part of 6 bottom of piston core, and the bottom of cylindrical piece 4 is located at the middle part at 2 top of connecting rod, and piston core 6 is socketed in collection chamber In 12, and piston core 6 is located at the middle part of 12 inner cavity of collection chamber, and the bottom end of cylindrical piece 4 is socketed in the top of 5 inner cavity of port, and circle 12 inner cavity of collection chamber that the top of column block 4 is socketed in, the side surface of 1 upper end of piston body offer annular groove 7,1 upper end of piston body Side surface offers oiling groove 8, and oiling groove 8 is located at the lower section of annular groove 7, and the side of 8 inner wall of oiling groove, which offers, dissipates oil connection Slot 9, the two sides for dissipating 9 inner cavity of oil connectivity slot are connected with scattered oil groove 10 and oiling groove 8 respectively, and oiling groove 8 dissipates oil groove 10 and dissipates oil Connectivity slot 9 is provided with the junction of piston head 101 and skirt body 102, by petroleum pipeline 3, oiling groove 8, dissipate oily connectivity slot 9, Oil groove 10, oil outlet 11 and the mutually matched use of collection chamber 12 are dissipated, when connecting rod 2 is moved up and down with piston body 1, in petroleum pipeline 3 Oil entered out of petroleum pipeline 3 and by oil outlet 11 and dissipated in oil groove 10, pass through into the oil in scattered oil groove 10 and dissipate oily connectivity slot 9 Interior and by output oiling groove 8, in 1 two-way process of piston body, oil can be brought into collection chamber 12 by movable piston body 1, At this point, piston only 1 can carry out active oiling in active procedure, existing piston is avoided to be also easy to produce by the mode for lubrication of splashing The problem of lack of lubrication, meanwhile, it solves the problems, such as that piston is also easy to produce grey matter when existing lack of lubrication, improves the profit of piston body 1 Slip further improves the service life of piston body 1.

Working principle: in use, when connecting rod 2 is moved up and down with piston body 1, petroleum pipeline 3 being capable of discontinuity fuel feeding or company Continuous property carries out fuel feeding, and the oil in petroleum pipeline 3 is out of petroleum pipeline 3 and passes through oil outlet 11 into dissipating in oil groove 10, into scattered oil groove Oil in 10 is by dissipating oily connectivity slot 9 by output oiling groove 8, and in 1 two-way process of piston body, oil can be by movable piston Body band 1 enters in collection chamber 12.

It can to sum up obtain, by petroleum pipeline 3, oiling groove 8, scattered oily connectivity slot 9, scattered oil groove 10, oil outlet 11 and collection chamber 12 mutually matched uses, when connecting rod 2 is moved up and down with piston body 1, the oil in petroleum pipeline 3 is out of petroleum pipeline 3 and by fuel-displaced Hole 11, which enters, to be dissipated in oil groove 10, into the oil in scattered oil groove 10 by dissipating in oily connectivity slot 9 and by output oiling groove 8, in work In 1 two-way process of cock body, oil can be brought into collection chamber 12 by movable piston body 1, at this point, piston only 1 can be in activity Active oiling is carried out in the process, avoids the problem that existing piston is also easy to produce lack of lubrication by the mode for lubrication of splashing, meanwhile, it solves The problem of piston is also easy to produce grey matter when existing lack of lubrication, improves 1 lubricity of piston body, further improves piston body 1 Service life.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence " including a reference structure ", is not arranged Except there is also other identical elements in the process, method, article or apparatus that includes the element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of pneumatic motor piston with oiling function, it is characterised in that: piston body (1) includes piston head (101) and skirt body (102), it is fixedly connected at the top of the bottom with skirt body (102) of the piston head (101), is opened up at the top of the piston body (1) Have collection chamber (12), the bottom of collection chamber (12) inner wall offers the port (5) communicated with the bottom of piston body (1), leads to It is socketed with connecting rod (2) in mouth (5), and the bottom end of connecting rod (2) extends to the lower section of port (5), the side surface of the connecting rod (2) is opened Equipped with oil outlet (11), the inner sidewall of the port (5) and be located at oil outlet (11) position offer scattered oil groove (10), it is described It is socketed with petroleum pipeline (3) in connecting rod (2), and the bottom of petroleum pipeline (3) extends to the lower section of piston body (1), the connecting rod (2) Top is fixedly connected by cylindrical piece (4) with the bottom of piston core (6), and the side surface of piston body (1) upper end offers ring The side surface of slot (7), piston body (1) upper end offers oiling groove (8), and oiling groove (8) is located at the lower section of annular groove (7), The side of oiling groove (8) inner wall, which offers, dissipates oily connectivity slot (9), the two sides of described scattered oily connectivity slot (9) inner cavity respectively with Oil groove (10) are dissipated to be connected with oiling groove (8).

2. a kind of pneumatic motor piston with oiling function according to claim 1, it is characterised in that: the cylindrical piece (4) top is located at the middle part of piston core (6) bottom, and the bottom of cylindrical piece (4) is located at the middle part at the top of connecting rod (2).

3. a kind of pneumatic motor piston with oiling function according to claim 1, it is characterised in that: the piston core (6) it is socketed in collection chamber (12), and piston core (6) is located at the middle part of collection chamber (12) inner cavity.

4. a kind of pneumatic motor piston with oiling function according to claim 1, it is characterised in that: the cylindrical piece (4) bottom end is socketed in the top of port (5) inner cavity, and collection chamber (12) inner cavity that the top of cylindrical piece (4) is socketed in.

5. a kind of pneumatic motor piston with oiling function according to claim 1, it is characterised in that: the oiling groove (8), it dissipates oil groove (10) and dissipates the junction that oily connectivity slot (9) is provided with piston head (101) and skirt body (102).

6. a kind of pneumatic motor piston with oiling function according to claim 1, it is characterised in that: the oil outlet (11) it communicates with the top of petroleum pipeline (3), and is fixedly connected at the top of the top of petroleum pipeline (3) and connecting rod (2) inner wall.