CN218093358U - Reduce car air compressor machine and arrange oil quantity structure along with gas - Google Patents
Reduce car air compressor machine and arrange oil quantity structure along with gas Download PDFInfo
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- CN218093358U CN218093358U CN202222541920.7U CN202222541920U CN218093358U CN 218093358 U CN218093358 U CN 218093358U CN 202222541920 U CN202222541920 U CN 202222541920U CN 218093358 U CN218093358 U CN 218093358U
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Abstract
The utility model discloses a structure for reducing oil displacement with air of an automobile air compressor, which comprises a piston cylinder body, a cylinder cover and a piston, wherein the cylinder cover is fixedly connected to the top end surface of the piston cylinder body through a bolt, the piston is positioned in the piston cylinder body, and an annular reinforcing part is fixed or formed on the outer side wall of the upper part of the piston cylinder body; the shaping has a plurality of gas ring mounting grooves and oil ring mounting groove on the lateral wall of piston, and the shaping has a plurality of oil leak through-holes on the internal face of oil ring mounting groove, and the nested oil ring that has in the oil ring mounting groove, the shaping of the middle part lateral wall of oil ring has a plurality of logical grooves of inside radial extension, leads to the groove and communicates with each other with the oil ring mounting groove. It leads to the groove through the lateral wall shaping with the oil ring, and the shaping has a plurality of oil leak through-holes on the internal face of oil ring mounting groove for fluid can be followed and led to the groove and the outflow of oil leak through-hole, and greatly reduced fluid up flows exhaust possibility, and is effectual.
Description
The technical field is as follows:
the utility model relates to an air compressor equipment field, more specifically say and relate to a reduce car air compressor machine and arrange oil capacity structure along with gas.
Background art:
an air compressor is a device used to compress gas and is similar in construction to a water pump, most of which are reciprocating pistons, rotating blades or rotating screws.
At present, the biggest problem of air compressors for automobiles at home and abroad is that after the compressor is used for a period of time, after an automobile runs for about 3-5 kilometers, the oil along with the air discharged by lubricating oil which is blown into a working cavity of a cylinder through a piston in a crankcase of the compressor is remarkably increased, and because an upper wall plate of a cylinder body is deformed, a gap between the piston and the cylinder body is increased, oil can be discharged upwards from the gap, so that various structures for reducing the oil along with the air discharged by an automobile air compressor appear in the market.
For example, the chinese patent publication No. CN212958989U discloses a structure for reducing oil discharge amount along with air for an automobile air compressor, which is characterized in that two sets of grooves are arranged above a piston, so that some lubricating oil can be stored in the grooves, and thus, when exhausting, a small amount of lubricating oil can be carried in the grooves.
The utility model has the following contents:
the utility model aims at overcoming prior art's is not enough, provides a reduce car air compressor machine and arrange oil capacity structure along with gas, and it leads to the groove through the lateral wall shaping with the oil ring, and the shaping has a plurality of oil leak through-holes on the internal face of oil ring mounting groove for fluid can be followed logical groove and oil leak through-hole outflow, and greatly reduced fluid up flows the exhaust possibility, and is effectual.
The utility model provides a technical problem's scheme is:
a structure for reducing oil discharge along with air of an automobile air compressor comprises a piston cylinder body, a cylinder cover and a piston, wherein the cylinder cover is fixedly connected to the top end face of the piston cylinder body through a bolt, the piston is located in the piston cylinder body, and an annular reinforcing part is fixed or formed on the outer side wall of the upper part of the piston cylinder body;
the piston is characterized in that a plurality of gas ring mounting grooves and oil ring mounting grooves are formed in the outer side wall of the piston, a plurality of oil leakage through holes are formed in the inner wall surface of each oil ring mounting groove, oil rings are nested in the oil ring mounting grooves, a plurality of through grooves extending inwards in the radial direction are formed in the outer side wall of the middle of each oil ring, and the through grooves are communicated with the oil ring mounting grooves. Oil can get into the oil ring mounting groove through leading to the groove and flow along the oil leak through-hole to prevent that oil from seeing through the oil ring mounting groove and upwards discharging.
Connecting through holes are formed in the left side wall and the right side wall of the middle part of the piston, and oil ring mounting grooves are formed in the outer side walls of the piston above and below the connecting through holes;
the outer side wall of the piston between the two oil ring mounting grooves is formed with a plurality of vertical liquid guide grooves, the upper ends of the vertical liquid guide grooves are communicated with the oil ring mounting grooves above the piston, and the lower ends of the vertical liquid guide grooves are communicated with the oil ring mounting grooves below the piston. The vertical liquid guide groove can enable part of oil liquid at the upper oil ring mounting groove to descend along the vertical liquid guide groove, and further prevents the oil liquid from being discharged from the upper portion.
The annular reinforcing part is formed by two semi-circular arc blocks, and the lateral wall of piston cylinder body presses on the inside wall of two semi-circular arc blocks, and two semi-circular arc blocks pass through bolt fixed connection. The strength of the upper side wall of the piston cylinder body can be enhanced through the annular reinforcing part, and the deformation of the upper side wall of the piston cylinder body is prevented.
A plurality of gas ring mounting grooves are formed in the outer side wall of the upper portion of the piston, and gas rings are nested in the gas ring mounting grooves.
The outer side wall of the air ring is a conical wall surface, the diameter of the upper part of the air ring is larger than that of the lower part of the air ring, and the outer wall surface of the air ring is close to or in contact with the inner side wall of the piston cylinder body;
the outer side wall of the oil ring is a conical wall surface, the diameter of the upper portion of the oil ring is small, the diameter of the lower portion of the oil ring is large, and the outer side wall of the oil ring is close to or in contact with the inner side wall of the piston cylinder body.
And a plurality of side oil leakage through holes are formed in the outer side wall of the lower part of the piston, the side oil leakage through holes are communicated with the corresponding vertical liquid guide grooves, and the side oil leakage through holes are positioned above the oil ring mounting grooves below.
The utility model discloses an outstanding effect is:
1. the strength of the upper side wall of the piston cylinder body can be enhanced through the annular reinforcing part, and the deformation of the upper side wall of the piston cylinder body is prevented.
2. Oil can get into the oil ring mounting groove through leading to the groove and flow along the oil leak through-hole to prevent that oil from permeating the oil ring mounting groove and upwards discharging.
3. The vertical liquid guide groove can enable part of oil liquid at the upper oil ring mounting groove to descend along the vertical liquid guide groove, and further prevent the oil liquid from being discharged from the upper portion.
4. The outer side wall of the gas ring is a conical wall surface, the diameter of the upper part of the gas ring is larger than that of the lower part of the gas ring, the diameter of the outer side wall of the oil ring is smaller than that of the lower part of the oil ring, and the structure can further reduce the probability of upward discharge of oil and reduce the discharge amount.
Description of the drawings:
fig. 1 is a partial structural schematic diagram of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a partial structural schematic view of the annular reinforcing part of the present invention.
The specific implementation mode is as follows:
the embodiment is shown in fig. 1 to 3, and the structure for reducing the oil discharge along with air of the automobile air compressor comprises a piston cylinder body 10, a cylinder cover 20 and a piston 30, wherein the cylinder cover 20 is fixedly connected to the top end face of the piston cylinder body 10 through a bolt, a sealing washer 2 is clamped between the bottom face of the cylinder cover 20 and the top end face of the piston cylinder body 10, an air inlet 21 and an air outlet 22 are respectively formed in the left side wall and the right side wall of the cylinder cover 20, the middle part of the bottom face of the cylinder cover 20 is an upward convex spherical surface, and the top face of the piston 30 is a spherical surface. Which is matched with the middle part of the bottom surface of the cylinder cover 20; so that the oil above the piston 30 can slide down along the spherical surface, the rear end of the cylinder cover 20 is 3 to 4 times of the side wall of the piston cylinder body 10, the deformation probability of the cylinder cover 20 is greatly reduced by the thickness, and the normal operation of the equipment is ensured.
A vertical air outlet hole 23 and a vertical air inlet hole 24 are formed in the middle of the bottom surface of the cylinder cover 20, the top end of the vertical air outlet hole 23 is communicated with an air outlet hole 22, the vertical air inlet hole 24 is communicated with an air inlet hole 21, the inner side wall of the top end of the vertical air outlet hole 23 is a first conical inner side wall with a large upper end diameter and a small lower end diameter, a conical hole section 241 with a small upper end diameter and a large lower end diameter is formed in the middle of the top surface of the vertical air inlet hole 24, an upwardly extending connecting hole section is formed in the top surface of the conical hole section 241, and the connecting hole section is communicated with the air inlet hole 21;
the top surfaces of the air outlet hole 22 and the air inlet hole 21 opposite to the top ends of the vertical air outlet hole 23 and the vertical air inlet hole 24 are formed with upward extending vertical screw connection through holes, a first bolt and a second bolt are in screw connection with the corresponding vertical screw connection through holes, the bottom surfaces of screw rod parts of the first bolt and the second bolt are formed with vertical guide rods, the outer side wall of the bottom of the first conical block 3 is tightly attached to the inner side wall of the first cone, the outer side wall of the bottom surface of the first conical block 3 is matched with the inner side wall of the first cone, a first guide sleeve body is formed in the middle of the top surface of the first conical block 3, the corresponding vertical guide rods are inserted and sleeved in the first guide sleeve body, a first buffer spring is inserted and sleeved on the first guide sleeve body and the corresponding vertical guide rods, the top end of the first buffer spring is fixed on the bottom surface of the screw rod part of the first bolt, and the bottom end of the first buffer spring is applied to the top surface of the first conical block 3;
The piston 30 is arranged in the piston cylinder body 10, and an annular reinforcing part 60, in this embodiment, the annular reinforcing part 60 is fixed or formed on the outer side wall of the upper part of the piston cylinder body 10;
the outer side wall of the piston 30 is formed with a plurality of air ring mounting grooves 31 and oil ring mounting grooves 32, the inner wall surface of the oil ring mounting grooves 32 is formed with a plurality of oil leakage through holes 33, the inner ends of the oil leakage through holes 33 extend out of the inner side wall of the piston 30, oil rings 40 are nested in the oil ring mounting grooves 32, the outer side wall of the middle part of each oil ring 40 is formed with a plurality of through grooves 41 which extend inwards in the radial direction, and the through grooves 41 are communicated with the oil ring mounting grooves 32.
Further, connect the via hole 1 on the wall of the left and right sides at the middle part of piston 30, the connecting rod plug bush is in two connect the via hole 1, the spacing of connecting rod is realized to the inside wall installation jump ring in both ends of connect the via hole 1, the mid-mounting of connecting rod has the connecting rod, the bottom of connecting rod stretches out piston cylinder body 10 and can be connected with actuating mechanism, actuating mechanism is conventional structure, here no longer detailed description. Oil ring mounting grooves 32 are formed on the outer side walls of the piston 30 above and below the connecting through hole 1;
a plurality of vertical liquid guiding grooves 34 are formed on the outer side wall of the piston 30 between the two oil ring mounting grooves 32, the upper ends of the vertical liquid guiding grooves 34 are communicated with the upper oil ring mounting groove 32, and the lower ends of the vertical liquid guiding grooves 34 are communicated with the lower oil ring mounting groove 32.
Further, the annular reinforcing part 60 is composed of two semicircular arc blocks 61, the outer side wall of the piston cylinder body 10 is pressed against the inner side walls of the two semicircular arc blocks 61, and the two semicircular arc blocks 61 are fixedly connected through bolts.
Furthermore, a plurality of air ring installation grooves 31 are formed on the outer side wall of the upper part of the piston 30, and air rings 50 are nested in the air ring installation grooves 31.
Further, the outer side wall of the air ring 50 is a conical wall surface, the diameter of the upper part of the air ring is larger than that of the lower part of the air ring, and the outer wall surface of the air ring 50 is close to the inner side wall of the piston cylinder body 10 or is in contact with the inner side wall of the piston cylinder body 10;
the outer side wall of the oil ring 40 is a conical wall surface, the diameter of the upper part of the oil ring is smaller than that of the lower part of the oil ring, and the outer side wall of the oil ring 40 is close to the inner side wall of the piston cylinder body 10 or is in contact with the inner side wall of the piston cylinder body 10.
Furthermore, a plurality of side oil leakage through holes 35 are formed on the outer side wall of the lower portion of the piston 30, the side oil leakage through holes 35 are communicated with the corresponding vertical liquid guiding grooves 34, the side oil leakage through holes 35 are located above the lower oil ring mounting groove 32, and the inner ends of the side oil leakage through holes 35 extend out of the inner side wall of the piston 30.
In this embodiment, the annular reinforcement portion 60 can reinforce the strength of the upper side wall of the piston cylinder 10, and reduce the probability of deformation, thereby ensuring close fit between the piston 30 and the inner side wall of the reinforced piston cylinder 10.
In use, the oil in the oil ring installation groove 32 can enter through the through groove 41 and flow out along the oil leakage through hole 33, so that the oil is prevented from being discharged upwards through the oil ring installation groove 32.
And the vertical liquid guiding groove 34 can lower part of the oil liquid at the upper oil ring mounting groove 32 along the vertical liquid guiding groove 34, and further prevent the oil liquid from being discharged from the upper part.
And the lateral wall of gas ring 50 is the toper wall, and the big lower part diameter of its upper portion diameter is little, and the lateral wall of oil ring 40 is the toper wall, and the little lower part diameter of its upper portion diameter is big, adopts this structure can guarantee when piston 30 goes on the oscilaltion, carries out the frizing through the lateral wall of gas ring 50 and oil ring 40 to the inside wall of piston cylinder body 10 for most fluid is in the below of gas ring 50, further reduces the upward exhaust probability of fluid, reduces the discharge capacity.
Claims (6)
1. The utility model provides a reduce automobile air compressor machine oil extraction volume structure along with gas, includes piston cylinder body (10), cylinder cap (20) and piston (30), cylinder cap (20) are through bolt fixed connection on the top face of piston cylinder body (10), and piston (30) are in piston cylinder body (10), its characterized in that: an annular reinforcing part (60) is fixed or formed on the outer side wall of the upper part of the piston cylinder body (10);
the piston is characterized in that a plurality of gas ring mounting grooves (31) and oil ring mounting grooves (32) are formed in the outer side wall of the piston (30), a plurality of oil leakage through holes (33) are formed in the inner wall surface of each oil ring mounting groove (32), an oil ring (40) is nested in each oil ring mounting groove (32), a plurality of through grooves (41) extending inwards in the radial direction are formed in the outer side wall of the middle of each oil ring (40), and the through grooves (41) are communicated with the oil ring mounting grooves (32).
2. The structure for reducing oil discharge with air of the air compressor of the automobile according to claim 1, characterized in that: connecting through holes (1) are formed in the left side wall and the right side wall of the middle part of the piston (30), and oil ring mounting grooves (32) are formed in the outer side wall of the piston (30) above and below the connecting through holes (1);
a plurality of vertical liquid guide grooves (34) are formed in the outer side wall of the piston (30) between the two oil ring mounting grooves (32), the upper ends of the vertical liquid guide grooves (34) are communicated with the oil ring mounting groove (32) above, and the lower ends of the vertical liquid guide grooves (34) are communicated with the oil ring mounting groove (32) below.
3. The structure for reducing oil discharge with air of the automobile air compressor as claimed in claim 1, wherein: annular reinforcing portion (60) comprise two semicircle shape blocks (61), and the lateral wall of piston cylinder body (10) presses on the inside wall of two semicircle shape blocks (61), and two semicircle shape blocks (61) pass through bolt fixed connection.
4. The structure for reducing oil discharge with air of the automobile air compressor as claimed in claim 1, wherein: a plurality of air ring mounting grooves (31) are formed in the outer side wall of the upper portion of the piston (30), and air rings (50) are nested in the air ring mounting grooves (31).
5. The structure for reducing oil discharge with air of the air compressor of the automobile according to claim 1, characterized in that: the outer side wall of the air ring (50) is a conical wall surface, the diameter of the upper part of the air ring is larger than that of the lower part of the air ring, and the outer wall surface of the air ring (50) is close to the inner side wall of the piston cylinder body (10) or is in contact with the inner side wall of the piston cylinder body (10);
the outer side wall of the oil ring (40) is a conical wall surface, the diameter of the upper portion of the oil ring is smaller than that of the lower portion of the oil ring, and the outer side wall of the oil ring (40) is close to the inner side wall of the piston cylinder body (10) or is in contact with the inner side wall of the piston cylinder body (10).
6. The structure for reducing oil discharge with air of the air compressor of the automobile according to claim 1, characterized in that: the outer side wall of the lower portion of the piston (30) is formed with a plurality of side oil leakage through holes (35), the side oil leakage through holes (35) are communicated with corresponding vertical liquid guide grooves (34), and the side oil leakage through holes (35) are located above the lower oil ring mounting groove (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222541920.7U CN218093358U (en) | 2022-09-26 | 2022-09-26 | Reduce car air compressor machine and arrange oil quantity structure along with gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222541920.7U CN218093358U (en) | 2022-09-26 | 2022-09-26 | Reduce car air compressor machine and arrange oil quantity structure along with gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218093358U true CN218093358U (en) | 2022-12-20 |
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ID=84454823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222541920.7U Active CN218093358U (en) | 2022-09-26 | 2022-09-26 | Reduce car air compressor machine and arrange oil quantity structure along with gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218093358U (en) |
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2022
- 2022-09-26 CN CN202222541920.7U patent/CN218093358U/en active Active
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