CN210050008U

CN210050008U - Air compressor piston for vehicle

Info

Publication number: CN210050008U
Application number: CN201920842471.5U
Authority: CN
Inventors: 荆寅; 葛建国; 陆留生
Original assignee: Danyang Changsheng Machinery Co Ltd
Current assignee: Danyang Changsheng Machinery Co Ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-02-11
Anticipated expiration: 2029-06-05

Abstract

The utility model relates to the technical field of automobile parts, in particular to a piston of an air compressor for vehicles, which comprises a cylinder, wherein the bottom of the cylinder is provided with an opening, the inner cavity of the cylinder is provided with a fixed shaft, the inner cavity of the cylinder is provided with a connecting handle in a penetrating way, the upper end and the lower end of the connecting handle are respectively and integrally provided with a first sliding sleeve and a second sliding sleeve, and the surface of the top of the cylinder is provided with a circular cavity; the utility model discloses a cylinder, the opening, the fixed axle, the connection handle, first sliding sleeve, the second sliding sleeve, the round cavity, the oil collecting chamber, the through-hole, the atmoseal ring, accept the piece, the buffer beam, the dashpot, the setting of gleitbretter and first spring for this automobile-used air compressor piston possesses the advantage that can fully improve self wholeness ability, solved present piston for the air compressor can not scrape oil well, and also can not utilize the oil of inner wall, its buffering effect is not good enough simultaneously, the problem of the whole practicality of piston has been reduced.

Description

Air compressor piston for vehicle

Technical Field

The utility model relates to an automobile parts technical field specifically is an automobile-used air compressor machine piston.

Background

The air compressor is a device for compressing gas, the structure of the air compressor is similar to that of a water pump, most of the air compressors are of a reciprocating piston type, a rotating blade or a rotating screw rod, a centrifugal compressor is a very large application program, the compressor is directly driven by a motor to enable a crankshaft to generate rotary motion, a connecting rod is driven to enable a piston to generate reciprocating motion, so that the volume of an air cylinder is changed, air enters the air cylinder through an air filter (a silencer) through an air inlet valve due to the change of the pressure in the air cylinder, compressed air enters an air storage tank through an exhaust pipe and a one-way valve (a check valve) under the action of an exhaust valve due to the reduction of the volume of the air cylinder in a compression stroke, the air storage tank is automatically stopped under the control of a pressure switch when the exhaust pressure reaches a rated pressure of 0.7MPa, and the, the piston type air compressor is one of reciprocating air compressors, the compression element of the piston type air compressor is a piston, the piston reciprocates in an air cylinder, the piston and the air are used as derivative products, the air compressor, assembly line equipment, a molding machine, a fan and the like are provided, the piston type air compressor is the most common one in the reciprocating air compressors, the piston of the piston type air compressor is in direct contact with the air, the piston ring is used for sealing and compressing the air, and the positive displacement piston type air compressor is usually adopted in air pressure transmission.

The piston for the air compressor at present can not scrape oil well, also can not utilize the oil of inner wall in addition, and its buffering effect is not good enough simultaneously, has reduced the whole practicality of piston, provides a vehicle air compressor piston that can fully improve self wholeness ability for this problem of solving.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automobile-used air compressor machine piston possesses can fully improve self overall performance's advantage, has solved present air compressor machine piston and can not carry out the frizing well, also can not utilize the oil of inner wall moreover, and its buffering effect is not good enough simultaneously, has reduced the problem of the whole practicality of piston.

In order to achieve the above object, the utility model provides a following technical scheme: a piston of an air compressor for a vehicle comprises an air cylinder, wherein an opening is formed in the bottom of the air cylinder, a fixed shaft is arranged in an inner cavity of the air cylinder, a connecting handle penetrates through the inner cavity of the air cylinder, a first sliding sleeve and a second sliding sleeve are respectively and integrally processed at the upper end and the lower end of the connecting handle, a circular cavity is formed in the surface of the top of the air cylinder, an oil collecting cavity is integrally processed above the air cylinder, a through hole is formed in the surface of the oil collecting cavity, an air seal ring and a bearing piece are respectively arranged above the oil collecting cavity, a slope surface is arranged on the surface of the topmost air seal ring, a buffer rod is integrally processed on one side, close to the bearing piece, of the air seal ring, buffer grooves are formed in the upper side and the lower side of the surface of the bearing piece, one end, close to the bearing piece, of the buffer rod penetrates, the surface welding of gleitbretter has first spring, weld between the inner wall of first spring and dashpot.

As the utility model relates to a preferred technical scheme of vehicle air compressor machine piston, the four corners at cylinder top has all been welded and has been drawn the oil piece, draw one side that the oil piece is close to the oil collecting chamber and set up for the inclined plane, and draw the oil piece and keep away from one side of oil collecting chamber and the vertical face parallel and level of atmoseal ring, draw corresponding setting between oil piece and the through-hole.

As the utility model relates to a preferred technical scheme of vehicle air compressor machine piston, the small opening has been seted up to cylinder inner wall's top, the quantity of small opening is a plurality of, and becomes three rows and set up, and one row of accepting in the middle is located the vertical central line of below fixed axle, intercommunication between small opening and the round chamber, the inside packing of small opening has the immersion oil cotton.

As the utility model relates to a preferred technical scheme of automobile-used air compressor machine piston, the mounting panel has all been welded at both ends around the fixed axle, the mounting panel contacts with the inner wall of cylinder, the surface of mounting panel is provided with mounting bolt, mounting bolt run through the mounting panel and with the cylinder between the bolt.

As the utility model relates to a preferred technical scheme of vehicle air compressor machine piston, the limiting plate has all been welded to the surface of fixed axle and both sides around being located first sliding sleeve, and distance between two limiting plates equals with the width of first sliding sleeve.

As the utility model relates to a preferred technical scheme of vehicle air compressor piston, the spacing groove has all been seted up to the below of both sides around the cylinder inner wall, the second spring has all been welded to the both sides of spacing inslot wall, the skin weld of connecting handle has the gag lever post, the gag lever post keep away from the one end of connecting handle be located the inside of spacing groove and with spacing groove between sliding connection.

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

1. the utility model discloses a cylinder, the opening, the fixed axle, the connection handle, first sliding sleeve, the second sliding sleeve, the round cavity, the oil collecting chamber, the through-hole, the atmoseal ring, accept the piece, the buffer beam, the dashpot, the setting of gleitbretter and first spring for this automobile-used air compressor piston possesses the advantage that can fully improve self wholeness ability, solved present piston for the air compressor can not scrape oil well, and also can not utilize the oil of inner wall, its buffering effect is not good enough simultaneously, the problem of the whole practicality of piston has been reduced.

2. The utility model discloses a draw setting of oil piece, it is used for scraping oil operation, the oil that conveniently scrapes simultaneously flows to the inside of oil trap along its inclined plane, through the setting of small opening and immersion oil cotton, can make things convenient for the oily drip of the inside collection of oil trap, and the immersion oil cotton can play the effect of slowing down oil, setting through mounting panel and construction bolt, a be used for installing and fixing the fixed axle, setting through the limiting plate, a motion for first sliding sleeve is spacing, through the spacing groove, the setting of second spring and gag lever post, a motion for connecting the handle carries on spacingly and buffering.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a side view of the present invention;

fig. 4 is a top view of the structure of the cylinder of the present invention.

In the figure: 1 cylinder, 2 openings, 3 fixed axles, 4 connecting handles, 5 first sliding sleeves, 6 second sliding sleeves, 7 round cavities, 8 oil collecting cavities, 9 through holes, 10 air seal rings, 11 bearing pieces, 12 buffer rods, 13 buffer grooves, 14 sliding sheets, 15 first springs, 16 oil guide sheets, 17 leakage holes, 18 oil immersion cotton, 19 mounting plates, 20 limiting plates, 21 limiting grooves, 22 second springs, 23 limiting rods, 24 sloping surfaces and 25 mounting bolts.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element, and the phrase "a plurality" as used herein means two or more unless specifically limited otherwise.

Referring to fig. 1-4, a piston for an air compressor for a vehicle comprises an air cylinder 1, a through hole 2 is formed at the bottom of the air cylinder 1, a fixed shaft 3 is arranged in an inner cavity of the air cylinder 1, a connecting handle 4 is arranged in the inner cavity of the air cylinder 1 in a penetrating manner, a first sliding sleeve 5 and a second sliding sleeve 6 are respectively and integrally processed at the upper end and the lower end of the connecting handle 4, a circular cavity 7 is formed on the surface of the top of the air cylinder 1, an oil collecting cavity 8 is integrally processed above the air cylinder 1, a through hole 9 is formed on the surface of the oil collecting cavity 8, an air seal ring 10 and a bearing piece 11 are respectively arranged above the oil collecting cavity 8, a slope 24 is arranged on the surface of the topmost air seal ring 10, a buffer rod 12 is integrally processed on one side of the air seal ring 10 close to the bearing piece 11, grooves 13 are formed on the upper side and the lower side of the surface of the, inner wall sliding connection of gleitbretter 14 and dashpot 13, the skin weld of gleitbretter 14 has first spring 15, weld between the inner wall of first spring 15 and dashpot 13, through cylinder 1, opening 2, fixed axle 3, connecting handle 4, first sliding sleeve 5, second sliding sleeve 6, round chamber 7, oil collecting chamber 8, through-hole 9, atmoseal ring 10, receiver 11, buffer beam 12, dashpot 13, gleitbretter 14 and first spring 15's setting, make this automobile-used air compressor piston possess the advantage that can fully improve self wholeness ability, solved present air compressor piston and can not scrape oil well, and also can not utilize the oil of inner wall, its buffering effect is not good enough simultaneously, the problem of the whole practicality of piston has been reduced.

In an alternative embodiment: the four corners at the top of the cylinder 1 are all welded with oil guiding sheets 16, one side of each oil guiding sheet 16 close to the oil collecting cavity 8 is an inclined plane, one side of each oil guiding sheet 16 far away from the oil collecting cavity 8 is flush with the vertical surface of the gas seal ring 10, and the oil guiding sheets 16 and the through holes 9 are correspondingly arranged.

In this embodiment: all the welding in four corners at cylinder 1 top has oil guide sheet 16, and one side that oil guide sheet 16 is close to oil collecting chamber 8 is the inclined plane setting, and the vertical face parallel and level of one side that oil guide sheet 16 kept away from oil collecting chamber 8 and atmoseal ring 10 draws corresponding setting between oil guide sheet 16 and the through-hole 9, and through the setting of oil guide sheet 16, it is used for scraping oily operation, and the oil that conveniently scrapes simultaneously flows to oil collecting chamber 8's inside along its inclined plane.

In an alternative embodiment: the weeping hole 17 has been seted up to the top of cylinder 1 inner wall, and the quantity of weeping hole 17 is a plurality of, and sets up in three rows, and middle one row of receiving piece 11 is located the vertical central line of below fixed axle 3, communicates between weeping hole 17 and the circular chamber 7, and the inside packing of weeping hole 17 has immersion oil cotton 18.

In this embodiment: the small opening 17 has been seted up to the top of 1 inner wall of cylinder, and the quantity of small opening 17 is a plurality of, and becomes three rows and sets up, and middle one row of receiving element 11 is located the vertical central line of below fixed axle 3, communicates between small opening 17 and the round chamber 7, and the inside packing of small opening 17 has immersion oil cotton 18, through the setting of small opening 17 and immersion oil cotton 18, can make things convenient for the oily drip of the inside collection in collection oil chamber 8, and immersion oil cotton 18 can play the effect of slowing down oil moreover.

In an alternative embodiment: the front end and the rear end of the fixed shaft 3 are welded with mounting plates 19, the mounting plates 19 are in contact with the inner wall of the cylinder 1, mounting bolts 25 are arranged on the surfaces of the mounting plates 19, and the mounting bolts 25 penetrate through the mounting plates 19 and are bolted with the cylinder 1.

In this embodiment: the front end and the rear end of the fixed shaft 3 are respectively welded with a mounting plate 19, the mounting plates 19 are in contact with the inner wall of the cylinder 1, mounting bolts 25 are arranged on the surfaces of the mounting plates 19, the mounting bolts 25 penetrate through the mounting plates 19 and are in bolted connection with the cylinder 1, and the mounting plates 19 and the mounting bolts 25 are used for mounting and fixing the fixed shaft 3.

In an alternative embodiment: limiting plates 20 are welded on the surface of the fixed shaft 3 and located on the front side and the rear side of the first sliding sleeve 5, and the distance between the two limiting plates 20 is equal to the width of the first sliding sleeve 5.

In this embodiment: limiting plates 20 are welded on the surface of the fixing shaft 3 and located on the front side and the rear side of the first sliding sleeve 5, the distance between the two limiting plates 20 is equal to the width of the first sliding sleeve 5, and the limiting plates 20 are arranged for limiting the movement of the first sliding sleeve 5.

In an alternative embodiment: spacing groove 21 has all been seted up to the below of both sides around the cylinder 1 inner wall, and second spring 22 has all been welded to the both sides of spacing groove 21 inner wall, and the skin weld of connecting handle 4 has gag lever post 23, and the one end that connecting handle 4 was kept away from to gag lever post 23 is located inside of spacing groove 21 and with sliding connection between the spacing groove 21.

In this embodiment: spacing groove 21 has all been seted up to the below of both sides around the cylinder 1 inner wall, second spring 22 has all been welded to the both sides of spacing groove 21 inner wall, the skin weld of connecting handle 4 has gag lever post 23, gag lever post 23 keep away from connecting handle 4 one end be located inside of spacing groove 21 and with spacing groove 21 between sliding connection, through the setting of spacing groove 21, second spring 22 and gag lever post 23 for carry on spacingly and the buffering to the motion of connecting handle 4.

The working principle is as follows: along with the movement of the connecting handle 4, the fixed shaft 3 is driven to move so as to drive the air cylinder 1 and the air seal ring 10 above the air cylinder to move, the connecting handle 4 is driven by the driving device through the second sliding sleeve 6, and makes fan-shaped reciprocating motion by using the fixed shaft 3 as a shaft, along with the motion of the connecting handle 4, the limiting rod 23 slides in the limiting groove 21, the second spring 22 plays a role of buffering, when the upper air seal ring 10 moves, the buffer rod 12 drives the sliding sheet 14 to move relatively to the inside of the buffer groove 13, the first spring 15 plays a role of buffering, along with the up-and-down movement of the air seal ring 10, the oil on the inner wall of the oil cavity is scraped to the inner side of the through hole 9 by the oil guide sheet 16, and enters the inside of the round cavity 7 through the oil collecting cavity 8, and finally slowly drops to the surface of the fixed shaft 3 through the oil immersion cotton 18 in the leak hole 17 so as to lubricate the joint of the fixed shaft 3 and the first sliding sleeve 5.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a vehicle air compressor machine piston, includes cylinder (1), its characterized in that: the bottom of the air cylinder (1) is provided with a through hole (2), the inner cavity of the air cylinder (1) is provided with a fixed shaft (3), the inner cavity of the air cylinder (1) is provided with a connecting handle (4) in a penetrating manner, the upper end and the lower end of the connecting handle (4) are respectively and integrally processed with a first sliding sleeve (5) and a second sliding sleeve (6), the surface of the top of the air cylinder (1) is provided with a round cavity (7), the upper side of the air cylinder (1) is integrally processed with an oil collecting cavity (8), the surface of the oil collecting cavity (8) is provided with a through hole (9), the upper side of the oil collecting cavity (8) is respectively provided with an air seal ring (10) and a bearing piece (11), the surface of the topmost air seal ring (10) is provided with a slope surface (24), one side of the air seal ring (10) close to the bearing piece (11) is integrally processed with a buffer rod (12), the, buffer beam (12) are close to the one end of accepting piece (11) and run through accepting piece (11) and extend to the internal weld of dashpot (13) and have gleitbretter (14), the inner wall sliding connection of gleitbretter (14) and dashpot (13), the skin weld of gleitbretter (14) has first spring (15), weld between the inner wall of first spring (15) and dashpot (13).

2. The piston of the air compressor for vehicles according to claim 1, wherein: all the welding of the four corners at cylinder (1) top has oil guide sheet (16), one side that oil guide sheet (16) is close to collection oil chamber (8) is the inclined plane setting, and draws oil guide sheet (16) and keeps away from one side of collection oil chamber (8) and the vertical face parallel and level of atmoseal ring (10), draw corresponding setting between oil guide sheet (16) and through-hole (9).

3. The piston of the air compressor for vehicles according to claim 1, wherein: the oil immersion type oil filter is characterized in that a plurality of leakage holes (17) are formed in the upper portion of the inner wall of the air cylinder (1), the number of the leakage holes (17) is a plurality of, the leakage holes are arranged in three rows, one row of bearing pieces (11) in the middle are located on the vertical central line of the lower fixing shaft (3), the leakage holes (17) are communicated with the circular cavity (7), and oil immersion cotton (18) are filled in the leakage holes (17).

4. The piston of the air compressor for vehicles according to claim 1, wherein: mounting panel (19) have all been welded at the front and back both ends of fixed axle (3), mounting panel (19) contact with the inner wall of cylinder (1), the surface of mounting panel (19) is provided with mounting bolt (25), mounting bolt (25) run through mounting panel (19) and with cylinder (1) between the bolt.

5. The piston of the air compressor for vehicles according to claim 1, wherein: limiting plates (20) are welded on the surface of the fixed shaft (3) and located on the front side and the rear side of the first sliding sleeve (5), and the distance between the two limiting plates (20) is equal to the width of the first sliding sleeve (5).

6. The piston of the air compressor for vehicles according to claim 1, wherein: spacing groove (21) have all been seted up to the below of both sides around cylinder (1) inner wall, second spring (22) have all been welded to the both sides of spacing groove (21) inner wall, the skin weld of connecting handle (4) has gag lever post (23), gag lever post (23) keep away from the one end of connecting handle (4) be located the inside of spacing groove (21) and with sliding connection between spacing groove (21).