CN112324640A - Automobile air compressor with water-cooling internal and external circulation - Google Patents
Automobile air compressor with water-cooling internal and external circulation Download PDFInfo
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- CN112324640A CN112324640A CN202011062574.3A CN202011062574A CN112324640A CN 112324640 A CN112324640 A CN 112324640A CN 202011062574 A CN202011062574 A CN 202011062574A CN 112324640 A CN112324640 A CN 112324640A
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- water
- cylinder body
- cooling
- external circulation
- channel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/122—Cylinder block
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/128—Crankcases
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention belongs to the technical field of automobile air compressors, and particularly relates to an automobile air compressor with water-cooling internal and external circulation, which comprises a cylinder cover, a middle plate, a valve plate and a crankcase cylinder body, wherein a cylinder body is arranged in the crankcase cylinder body, a water-cooling external circulation water channel is arranged on the crankcase cylinder body, a cooling water inlet channel and a cooling water outlet channel are arranged between the cylinder cover and the valve plate, a water inlet and a water outlet are arranged on the cylinder cover, a water inlet hole and a water outlet hole are arranged on the valve plate, a cylinder body sleeve is sleeved in the cylinder body, a water-cooling internal circulation water channel is formed between the cylinder body sleeve and the cylinder body, a water inlet port and a water outlet port are arranged. The crankcase cylinder body and the cylinder body are formed by high-pressure casting of aluminum alloy, the cylinder body sleeve is formed by alloy cast iron, and the crankcase cylinder body and the cylinder body sleeve have the advantages of high thermal conductivity, high heat dissipation speed, high precision, stable size and the like, effectively enlarge the heat transfer area, and greatly improve the heat dissipation effect.
Description
The technical field is as follows:
the invention belongs to the technical field of automobile air compressors, and particularly relates to an automobile air compressor with water cooling internal and external circulation.
Background art:
the automobile air compressor is widely applied to braking of an automobile, opening or closing of an automobile door and the like. Most of the conventional commonly used automobile air compressors are reciprocating air compressors, also called piston air compressors. The engine is provided with a cylinder body, a cylinder cover, a piston ring and a crank-connecting rod mechanism which are similar to the engine, the connecting rod-crankshaft mechanism is driven by a gear or a belt to drive the piston to reciprocate in the cylinder, and the air entering the cylinder is compressed and pressed into the air storage tank to be used as a power source of an automobile braking system or other pneumatic devices.
Wherein, piston air compressor machine is when normal work, and the up-and-down motion of piston leads to the phenomenon of "oil channeling" to take place easily for the oil mist enters into cylinder block, exhaust hole and exhaust intracavity, and meanwhile, piston air compressor machine can produce a large amount of heats when compressed air, makes compressed air's temperature rise, thereby can cause the oil mist to produce carbon deposit, self wearing and tearing seriously and "oil channeling" phenomenon aggravate the scheduling problem in the exhaust intracavity when the exhaust temperature of air compressor machine is too high. Therefore, in order to reduce the exhaust temperature of the air compressor, the existing automobile air compressor mostly adopts a water-cooling heat dissipation design, and the air compressor is cooled by using circulating cooling liquid of an engine. However, in the water channel design of the existing double-cylinder air compressor, water enters from the cylinder on one side, water exits from the cylinder on the other side, and the interior of the water channel is designed to be a single water channel, so that the problems of simple and single water channel design, small heat transfer area, unsatisfactory heat dissipation effect and the like exist.
The invention content is as follows:
the invention aims to provide an automobile air compressor which has water-cooling internal and external circulation and reasonable water path design and can greatly improve the heat dissipation effect.
The invention is realized by the following steps:
an automobile air compressor with water-cooling internal and external circulation comprises a cylinder cover, a middle plate, a valve plate and a crankcase cylinder body which are sequentially arranged from top to bottom, wherein a cylinder body is arranged in the crankcase cylinder body, a water-cooling external circulation water channel is arranged on the crankcase cylinder body at the periphery of the cylinder body, a cooling water inlet channel and a cooling water outlet channel are arranged between the cylinder cover and the valve plate, a water inlet communicated with the cooling water channel and a water outlet communicated with the cooling water channel are arranged on the cylinder cover, a water inlet hole communicated with the cooling water inlet channel and the cooling water external circulation water channel and a water outlet hole communicated with the cooling water channel and the water-cooling external circulation water channel are arranged on the valve plate, a cylinder body sleeve is sleeved in the cylinder body, a water-cooling internal circulation water channel is formed between the outer wall surface of the cylinder body sleeve and the inner wall surface of the cylinder body, and the water inlet port is arranged close to the water inlet hole, and the water outlet port is arranged close to the water outlet hole.
In the automobile air compressor with water-cooling internal and external circulation, the inner wall surface of the cylinder body is provided with the annular groove, and the water-cooling internal circulation water channel is formed between the inner wall surface of the annular groove and the outer wall surface of the cylinder body sleeve.
In the above automobile air compressor with water-cooling internal and external circulation, the annular grooves are provided at intervals in the axial direction of the cylinder block.
In the above automobile air compressor with water-cooling internal and external circulation, the cylinder blocks are arranged side by side, and the corresponding annular grooves between two adjacent cylinder blocks are communicated through the water passing openings.
In the above automobile air compressor with water-cooling internal and external circulation, the cylinder body sleeves on the upper side and the lower side of the water-cooling internal circulation water channel are sleeved with the sealing rings.
In foretell automobile air compressor machine with water-cooling inner and outer circulation, the cylinder block is the step hole, and from last to down including major diameter portion and minor diameter portion, forms location step one between major diameter portion and the minor diameter portion, the cylinder body cover forms location step two including the major diameter portion with major diameter portion looks adaptation and the minor diameter portion with minor diameter portion looks adaptation between major diameter portion and the minor diameter portion, and location step one supports with location step two and leans on, the water-cooling inner loop water route is located between major diameter portion and the major diameter portion.
In foretell automobile air compressor machine with water-cooling internal and external circulation, the water-cooling external circulation water course is formed by the up end undercut of crankcase cylinder body, and the water-cooling external circulation water course sets up around the cylinder block, the inlet opening is located the relative two diagonal departments of water-cooling external circulation water course respectively with the apopore.
In the above automobile air compressor with water-cooling internal and external circulation, a support rib is arranged between the outer wall surface of the cylinder body in the water-cooling external circulation water channel and the corresponding inner wall surface of the crankcase cylinder body, and a water passing through hole is formed in the support rib.
Compared with the prior art, the invention has the outstanding advantages that:
1. compared with the prior art, the water-cooling internal circulation water channel is additionally arranged between the cylinder body and the water-cooling external circulation water channel, so that the heat transfer area between cooling water and the cylinder body is effectively enlarged, the heat dissipation effect is greatly improved, and the temperature of the crankcase cylinder body, the cylinder body and compressed air of the automobile air compressor can be always controlled within a reasonable range in the working process;
2. the water-cooling internal circulation water channel is communicated with the water-cooling external circulation water channel, the water inlet port is arranged close to the water inlet hole, and the water outlet port is arranged close to the water outlet hole, so that cooling water in the water-cooling internal circulation water channel can flow together with cooling water in the water-cooling external circulation water channel, and the phenomenon of dead water of the water-cooling internal circulation water wheel is avoided;
3. the crankcase cylinder body and the cylinder body are formed by high-pressure casting of aluminum alloy, the cylinder body sleeve is formed by alloy cast iron, and the crankcase cylinder body and the cylinder body sleeve have the advantages of high thermal conductivity, high heat dissipation speed, high precision, stable size and the like.
Description of the drawings:
FIG. 1 is an overall perspective view of the present invention;
FIG. 2 is an overall top view of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a perspective view one of the crankcase cylinder block of the present invention;
FIG. 5 is a second perspective view of the crankcase cylinder block of the present invention;
FIG. 6 is a perspective view of the cylinder head, intermediate plate and valve plate of the present invention;
FIG. 7 is a perspective view of the cylinder head of the present invention;
FIG. 8 is a top view of an intermediate plate of the present invention;
FIG. 9 is a bottom view of the valve plate of the present invention;
FIG. 10 is a top view of the valve plate of the present invention.
In the figure: 1. a cylinder cover; 2. a middle plate; 3. a valve plate; 4. a crankcase cylinder block; 5. a cylinder block; 6. water-cooling external circulation water channels; 7. a cooling water inlet channel; 8. discharging a cooling water channel; 9. a water inlet; 10. a water outlet; 11. A water inlet hole; 12. a water outlet hole; 13. a cylinder body sleeve; 14. a water-cooled internal circulation water channel; 15. a water inlet port; 16. A water outlet port; 17. an annular groove; 18. a water outlet; 19. a seal ring; 20. a large diameter portion; 21. a small diameter part; 22. a large ring part; 23. a small ring part; 24. a water passing through hole.
The specific implementation mode is as follows:
the invention will now be further described in the following by way of specific examples, with reference to figures 1 to 10:
the utility model provides an automobile air compressor machine with water-cooling internal-external circulation, includes from last cylinder cap 1, intermediate lamella 2, valve plate 3 and the crankcase cylinder body 4 that sets gradually extremely down, be equipped with cylinder block 5 in the crankcase cylinder body 4, set up water-cooling external circulation water course 6 on the crankcase cylinder body 4 that is located cylinder block 5 periphery, be provided with into cooling water course 7 and play cooling water course 8 between cylinder cap 1 and the valve plate 3, set up the water inlet 9 that feeds through into cooling water course 7 on the cylinder cap 1 and feed through the delivery port 10 that goes out cooling water course 8, set up the inlet opening 11 that feeds through into cooling water course 7 and water-cooling external circulation water course 6 on the valve plate 3 and feed through the apopore 12 that feeds through cooling water course 8 and water-cooling external circulation water course 6, cylinder block 5 endotheca cylinder body cover 13 is equipped with to the cylinder block, is formed with water-cooling internal circulation water course 14 between the outer wall face of cylinder block 13 and the cylinder block 15 and water outlet port 16, and water inlet port 15 is close to the setting of inlet opening 11, and water outlet port 16 is close to apopore 12. In the practical application process, the piston of the automobile air compressor should reciprocate up and down in the cylinder sleeve 13.
Compared with the prior art, the water-cooling internal circulation water channel is additionally arranged between the cylinder body 5 and the water-cooling external circulation water channel, so that the heat transfer area between cooling water and the cylinder body 5 is effectively enlarged, the heat dissipation effect is greatly improved, and the temperature of the crankcase cylinder body 4, the cylinder body 5 and compressed air of the automobile air compressor can be controlled within a reasonable range all the time in the working process.
Meanwhile, the water-cooling internal circulation water channel is communicated with the water-cooling external circulation water channel, the water inlet port 15 is arranged close to the water inlet hole 11, and the water outlet port 16 is arranged close to the water outlet hole 12, so that cooling water in the water-cooling internal circulation water channel can flow together with cooling water in the water-cooling external circulation water channel, and the phenomenon of dead water of the water-cooling internal circulation water wheel is avoided.
In addition, the crankcase cylinder 4 and the cylinder 5 are formed by high-pressure casting of aluminum alloy, and the cylinder sleeve 13 is formed by alloy cast iron, so that the crankcase cylinder has the advantages of high thermal conductivity, quick heat dissipation, high precision, stable size and the like.
Furthermore, in the present embodiment, the specific formation structure of the water-cooled internal circulation water channel 14 is: an annular groove 17 is formed in the inner wall surface of the cylinder block 5, and the water-cooling internal circulation water channel 14 is formed between the inner wall surface of the annular groove 17 and the outer wall surface of the cylinder block sleeve 13. Of course, the annular groove 17 may be formed on the outer wall surface of the cylinder block 13, and the water-cooled internal circulation water passage 14 is formed between the inner wall surface of the cylinder block 5 and the inner wall surface of the annular groove 17.
In order to increase the heat dissipation effect and enlarge the heat transfer area, the annular grooves 17 are provided at intervals in the axial direction of the cylinder block 5. Meanwhile, the cylinder blocks 5 are arranged side by side, and the corresponding annular grooves 17 between two adjacent cylinder blocks 5 are communicated through the water passing openings 18. In the present embodiment, two cylinder blocks 5 are provided, and two annular grooves 17 are provided in each cylinder block 5, that is, two water-cooled internal circulation water passages 14 are provided in the present embodiment.
In addition, in order to prevent cooling water from entering a piston or a crankshaft of the automobile air compressor due to water leakage of the water-cooling internal circulation water channel 14, sealing rings 19 are sleeved on cylinder sleeves 13 positioned on the upper side and the lower side of the water-cooling internal circulation water channel 14.
And the matching structure between the cylinder sleeve 13 and the cylinder body 5 is as follows: cylinder block 5 is the step hole, and from last to down including major diameter portion 20 and minor diameter portion 21, forms location step one between major diameter portion 20 and the minor diameter portion 21, cylinder body cover 13 is including the macrocyclic portion 22 with major diameter portion 20 looks adaptation and the small ring portion 23 with minor diameter portion 21 looks adaptation, forms location step two between macrocyclic portion 22 and the small ring portion 23, and location step one supports with location step two and leans on, and its cylinder body cover 13 inlays in cylinder block 5, and location step one and location step two conflict can realize the axial positioning of cylinder body cover 13 on cylinder block 5, simultaneously, the water-cooling inner loop water route is located between major diameter portion 20 and the macrocyclic portion 22.
Further, in the present embodiment, the arrangement structure of the water-cooled external circulation water channel 6 is: the water-cooling external circulation water channel 6 is formed by downwards sinking the upper end surface of the crankcase cylinder body 4, the water-cooling external circulation water channel 6 is arranged around the cylinder body 5, and the water inlet hole 11 and the water outlet hole 12 are respectively positioned at two opposite corners of the water-cooling external circulation water channel 6. Correspondingly, the water inlet port 15 and the water outlet port 16 are also arranged at two corresponding corners of the water-cooled external circulation water channel 6.
Furthermore, in order to enhance the overall stability, a support rib is arranged between the outer wall surface of the cylinder body 5 located in the water-cooling external circulation water channel 6 and the corresponding inner wall surface of the crankcase cylinder body 4, and in order to avoid the support rib from blocking the water-cooling external circulation water channel 6, a water passing through hole 24 is formed in the support rib.
The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: all equivalent changes made according to the shape, structure and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. An automobile air compressor with water-cooling internal and external circulation comprises a cylinder cover (1), a middle plate (2), a valve plate (3) and a crankcase cylinder body (4) which are sequentially arranged from top to bottom, wherein the crankcase cylinder body (4) is internally provided with the cylinder body (5), the crankcase cylinder body (4) positioned at the periphery of the cylinder body (5) is provided with a water-cooling external circulation water channel (6), a cooling water inlet channel (7) and a cooling water outlet channel (8) are arranged between the cylinder cover (1) and the valve plate (3), the cylinder cover (1) is provided with a water inlet (9) communicated with the cooling water inlet channel (7) and a water outlet (10) communicated with the cooling water outlet channel (8), the valve plate (3) is provided with a water inlet hole (11) communicated with the cooling water inlet channel (7) and the water-cooling external circulation water channel (6) and a water outlet hole (12) communicated with the cooling water outlet, the method is characterized in that: cylinder body cover (13) are equipped with to cylinder body (5) endotheca, are formed with water-cooling inner loop water course (14) between the outer wall face of cylinder body cover (13) and cylinder body (5) internal wall face, set up intake opening (15) and water outlet opening (16) that communicate water-cooling inner loop water course (14) and water-cooling outer loop water course (6) on crankcase cylinder body (4), and intake opening (15) are close to inlet opening (11) and set up, outlet opening (16) are close to apopore (12) and set up.
2. The automobile air compressor with the water-cooling internal and external circulation function as claimed in claim 1, wherein: an annular groove (17) is formed in the inner wall surface of the cylinder body (5), and the water-cooling internal circulation water channel (14) is formed between the inner wall surface of the annular groove (17) and the outer wall surface of the cylinder body sleeve (13).
3. The automobile air compressor with the water-cooling internal and external circulation function as claimed in claim 2, wherein: the annular grooves (17) are arranged at intervals along the axial direction of the cylinder body (5).
4. The air compressor with water-cooling internal and external circulation for the automobile as claimed in claim 2 or 3, wherein: the cylinder bodies (5) are arranged side by side, and corresponding annular grooves (17) between two adjacent cylinder bodies (5) are communicated through water passing ports (18).
5. The air compressor with water-cooling internal and external circulation for the automobile as claimed in claim 1, 2 or 3, wherein: and sealing rings (19) are sleeved on the cylinder body sleeves (13) positioned at the upper side and the lower side of the water-cooling internal circulation water channel (14).
6. The air compressor with water-cooling internal and external circulation for the automobile as claimed in claim 1, 2 or 3, wherein: cylinder block (5) are the step hole, and from last to down including major diameter portion (20) and path portion (21), form location step one between major diameter portion (20) and path portion (21), cylinder body cover (13) including with major diameter portion (20) looks adaptation major diameter portion (22) and with minor diameter portion (21) looks adaptation collar portion (23), form location step two between major diameter portion (22) and minor diameter portion (23), location step one supports against with location step two, the water-cooling inner loop water route is located between major diameter portion (20) and major diameter portion (22).
7. The automobile air compressor with the water-cooling internal and external circulation function as claimed in claim 1, wherein: water-cooling outer circulation water course (6) are formed by the up end undercut of crankcase cylinder body (4), and water-cooling outer circulation water course (6) encircle cylinder body (5) and set up, inlet opening (11) and apopore (12) are located the relative two diagonal departments of water-cooling outer circulation water course (6) respectively.
8. The automobile air compressor with water-cooling internal and external circulation as claimed in claim 7, wherein: and a support rib is arranged between the outer wall surface of the cylinder body (5) positioned in the water-cooling external circulating water channel (6) and the corresponding inner wall surface of the crankcase cylinder body (4), and a water passing through hole (24) is formed in the support rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011062574.3A CN112324640A (en) | 2020-09-30 | 2020-09-30 | Automobile air compressor with water-cooling internal and external circulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011062574.3A CN112324640A (en) | 2020-09-30 | 2020-09-30 | Automobile air compressor with water-cooling internal and external circulation |
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| Publication Number | Publication Date |
|---|---|
| CN112324640A true CN112324640A (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011062574.3A Pending CN112324640A (en) | 2020-09-30 | 2020-09-30 | Automobile air compressor with water-cooling internal and external circulation |
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| CN (1) | CN112324640A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309687A (en) * | 2021-05-24 | 2021-08-27 | 瑞立集团瑞安汽车零部件有限公司 | Internal cooling water channel structure of air compressor and air compressor |
-
2020
- 2020-09-30 CN CN202011062574.3A patent/CN112324640A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309687A (en) * | 2021-05-24 | 2021-08-27 | 瑞立集团瑞安汽车零部件有限公司 | Internal cooling water channel structure of air compressor and air compressor |
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