CN217501916U - Water cooling channel of oilless air compressor - Google Patents
Water cooling channel of oilless air compressor Download PDFInfo
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- CN217501916U CN217501916U CN202221383304.7U CN202221383304U CN217501916U CN 217501916 U CN217501916 U CN 217501916U CN 202221383304 U CN202221383304 U CN 202221383304U CN 217501916 U CN217501916 U CN 217501916U
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Abstract
The utility model discloses an oilless air compressor's water-cooling passageway, through the passageway that forms mutual intercommunication in the lateral wall of crankcase, piston cylinder, valve plate and cylinder cap, form water-cooling passageway, import cooling water or cold district's liquid from the water inlet, export from the delivery port at last, form the cooling to the cylinder head structure, changed the air-cooled process from outside to inside among the prior art, realize the water-cooling process from inside to outside, avoided the unordered nature of cooling source, avoided the waste of coolant, increased the cooling effect, improved the life of each part; meanwhile, the water cooling channel is arranged in the side wall of each part, so that external pipelines are reduced, and the integral volume of the air compressor is reduced. Furthermore, the water cooling structure is designed into a U-shaped structure, the structure is simple, the processing is convenient, the installation is convenient, the water flow is smooth, the resistance is reduced, the fluidity is improved, and the cooling effect is improved.
Description
Technical Field
The utility model relates to an oilless air compressor cools off technical field, concretely relates to oilless air compressor's water-cooling passageway.
Background
An oil-free air compressor is a compressor product which is widely applied in industries with high requirements on air sources, and is widely applied to new energy automobiles at present. At present, the on-vehicle oilless air compressor that commonly uses on the market mostly is air-cooled oilless air compressor, during the cooling, generally adopts the forced air cooling to sweep the cooling to cylinder head position (crankcase, piston cylinder, valve plate and cylinder cap), but, in practical application, the effect of forced air cooling is relatively poor, its exhaust temperature is higher, and the life of each part is seriously influenced to inside high temperature, can not satisfy the requirement of continuous operation, and the high temperature gas that has the high temperature of each part to bring is difficult to compressed, leads to compression efficiency low, the consumption increase.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a water cooling channel of an oil-free air compressor, a water inlet and a water outlet which are formed on the side wall of a crankcase, and a crankcase water inlet channel and a crankcase water outlet channel which are formed in the side wall of the crankcase; a piston cylinder water inlet channel and a piston cylinder water outlet channel are formed in the side wall of the piston cylinder; a cylinder cover water inlet channel and a cylinder cover water outlet channel which are communicated are formed in the cylinder cover wall; the water inlet, the crankcase water inlet channel, the piston cylinder water inlet channel, the cylinder cover water outlet channel, the piston cylinder water outlet channel, the crankcase water outlet channel and the water outlet are sequentially communicated in a sealing mode to form a water cooling channel.
Further, the water cooling channel is of an inverted U-shaped structure.
Preferably, the cylinder cover water inlet channel and the cylinder cover water outlet channel are communicated through a cylinder cover channel arranged in the cylinder cover wall, the cylinder cover channel is divided into two parts from the cylinder cover water inlet channel, and the two cylinder cover channels are converged at the cylinder cover water outlet channel.
Furthermore, the crankcase water inlet channel and the piston cylinder water inlet channel and the crankcase water outlet channel and the piston cylinder water outlet channel are respectively communicated in a sealing mode through sealing shaft sleeves provided with sealing rings.
Furthermore, piston cylinder inhalant canal with the tip that piston cylinder exhalant canal is close to the valve plate forms the helicitic texture, cylinder cap inhalant canal with cylinder cap exhalant canal forms the step pore structure, and the logical water bolt passes valve plate inlet hole and valve plate outlet hole on the valve plate and twists respectively piston cylinder inhalant canal with the helicitic texture of piston cylinder exhalant canal.
Further, the cylinder cover water inlet channel and the cylinder cover water outlet channel form a process hole on the surface of the cylinder cover and are sealed by using a sealing cap.
Further, the water through bolt realizes sealing through forming a sealing glue layer and matching a sealing gasket on the thread part.
Further, a second process hole is formed in the cylinder cover, and the second process hole is sealed through a second sealing cap.
Further, the second fabrication hole is arranged on the cylinder cover channel between the cylinder cover water inlet channel and the cylinder cover water outlet channel.
Furthermore, a sealing gasket is arranged between the crankcase and the piston cylinder, and the sealing shaft sleeve penetrates through the sealing gasket.
Compared with the prior art, the technical scheme of the utility model have following advantage:
(1) the utility model discloses an oilless air compressor's water-cooling passageway, through the passageway that forms mutual intercommunication in the lateral wall of crankcase, piston cylinder, valve plate and cylinder cap, form water-cooling passageway, with cooling water or cold district's liquid from the water inlet input, export from the delivery port at last, form the cooling to the cylinder head structure, changed the air-cooled process from outside to inside among the prior art, realize the water-cooling process from inside to outside, avoided the unordered nature of cooling source, avoided the waste of coolant, increased the cooling effect, improved the life of each part; meanwhile, the water cooling channel is arranged in the side wall of each part, so that external pipelines are reduced, and the integral volume of the air compressor is reduced. Furthermore, the water cooling structure is designed into a U-shaped structure, so that the structure is simple, the processing is convenient, the installation is convenient, the water flow is smooth, the resistance is reduced, the fluidity is improved, and the cooling effect is improved; further, the cylinder cap passageway is followed cylinder cap inlet channel punishment is divided into two, and these two cylinder cap passageways are in cylinder cap outlet channel department converges, and this design can enlarge the cooling area of cylinder cap, improves the cooling effect, and simultaneously, the forked type design makes things convenient for psammitolite die casting shaping.
(2) The utility model discloses an oilless air compressor's water-cooling passageway, the crankcase intake passage with the piston cylinder intake passage between with crankcase exhalant canal with sealed intercommunication through the sealed axle sleeve that sets up the sealing washer between the piston cylinder exhalant canal respectively. By designing the sealing shaft sleeve and the sealing ring for sealing, a pipeline design close to an integral is formed between the water inlet channel of the crank case and the water inlet channel of the piston cylinder and between the water outlet channel of the crank case and the water outlet channel of the piston cylinder indirectly, so that axial sealing is realized, and water leakage is avoided; furthermore, a sealing gasket is arranged between the crankcase and the piston cylinder, and the sealing shaft sleeve penetrates through the sealing gasket, so that cooling water can be prevented from being leaked outwards, and external dust and rainwater can be prevented from entering the interior of the air compressor.
(3) The utility model discloses an oil-free air compressor's water-cooling passageway, lead to the water bolt and pass through the sealed glue and seal up the dual seal, realize the best sealed effect.
(4) The utility model discloses an oil-free air compressor's water-cooling passageway form the fabrication hole structure on the cylinder cap, existing psammitolite die casting shaping that does benefit to, again can the easy to assemble operation, can use the sealing cap again to seal, simple structure, it is sealed effectual.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments are briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a cylinder head portion of an oil-free air compressor according to the present invention;
fig. 2 is a schematic structural view of a water cooling passage of the oil-free air compressor of the present invention;
fig. 3 is a schematic structural diagram of a part of a water path route of a water cooling channel of the oil-free air compressor of the present invention;
FIG. 4 is a schematic structural diagram of another part of the water path route of the water cooling channel of the oil-free air compressor of the present invention;
the reference numbers in the figures denote: 1-a crankcase; 2-a water inlet; 3-water outlet; 4-crankcase water inlet channel; 5-a crankcase water outlet channel; 6, a piston cylinder; 7-a water inlet channel of the piston cylinder; 8-a piston cylinder water outlet channel; 9-cylinder cover; 10-a cylinder cover water inlet channel; 11-a cylinder cover water outlet channel; 12-a sealing ring; 13-sealing the shaft sleeve; 14-water bolt; 15-fabrication holes; 16-sealing cap; 17-a second fabrication hole; 18-a second cap; 19-a sealing gasket; 20-a seal gasket; 21-water route; 22-a valve plate; 23-valve plate inlet hole; 24-valve plate outlet hole.
Detailed Description
The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. The embodiments in the present invention, other embodiments obtained by a person of ordinary skill in the art without creative work, all belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
As shown in fig. 1-2, the present embodiment discloses a water cooling passage of an oil-free air compressor, which includes a water inlet 2 and a water outlet 3 formed on a side wall of a crankcase 1, and a crankcase water inlet passage 4 and a crankcase water outlet passage 5 formed in the side wall of the crankcase 1; a piston cylinder water inlet channel 7 and a piston cylinder water outlet channel 8 which are formed in the side wall of the piston cylinder 6; a cylinder cover water inlet channel 10 and a cylinder cover water outlet channel 11 which are communicated with each other are formed in the wall of the cylinder cover 9; the water inlet 2, the crankcase inlet channel 4, the piston cylinder inlet channel 7, the cylinder cover inlet channel 10, the cylinder cover outlet channel 11, the piston cylinder outlet channel 8, the crankcase outlet channel 5 and the water outlet 3 are sequentially communicated in a sealing mode to form a water cooling channel.
Specifically, the water cooling channel is an inverted U-shaped structure, and the included structures are preferably symmetrically distributed. The water inlet 2 is communicated with the crankcase water inlet channel 4, the crankcase water inlet channel 4 is communicated with the piston cylinder water inlet channel 7, the piston cylinder water inlet channel 7 is communicated with the cylinder cover water inlet channel 10, the cylinder cover water inlet channel 10 is communicated with the cylinder cover water outlet channel 11, the cylinder cover water outlet channel 11 is communicated with the piston cylinder water outlet channel 8, the piston cylinder water outlet channel 8 is communicated with the crankcase water outlet channel 5, and the crankcase water outlet channel 5 is communicated with the water outlet 3. The crankcase water inlet channel 4, the piston cylinder water inlet channel 7, the cylinder cover water inlet channel 10, the cylinder cover water outlet channel 11, the piston cylinder water outlet channel 8 and the crankcase water outlet channel 5 are preferably vertically arranged, and in the embodiment, are arranged in parallel with the central axis of the piston cylinder 6; the space between the crankcase water inlet channel 4 and the piston cylinder water inlet channel 7 and the space between the crankcase water outlet channel 5 and the piston cylinder water outlet channel 8 are respectively communicated in a sealing way through a sealing shaft sleeve 13 provided with a sealing ring 12, the structure of the sealing shaft sleeve 13 is not particularly limited, in the embodiment, the sealing shaft sleeve 13 is cylindrical, meanwhile, corresponding step structures are formed at the position, close to the crankcase water inlet channel 4 and the piston cylinder water inlet channel 7, of the crankcase water outlet channel 5 and the piston cylinder water outlet channel 8 in relation to the installation of the sealing shaft sleeve 13, and the sealing shaft sleeve 13 is directly placed in the installation process; as for the arrangement of the sealing rings 12, the sealing rings may be arranged at both ends of the sealing sleeve 13, or may be arranged on the outer surface of the sealing sleeve 13, in this embodiment, an annular groove is formed on the outer surface of the sealing sleeve 13, and the sealing rings 12 are put in. Further, a sealing gasket 19 is arranged between the crankcase 1 and the piston cylinder 6, and the sealing shaft sleeve 13 penetrates through the sealing gasket 19.
The ends, close to a valve plate 22, of the piston cylinder water inlet channel 7 and the piston cylinder water outlet channel 8 form thread structures, the cylinder cover water inlet channel 10 and the cylinder cover water outlet channel 11 form step hole structures, a water through bolt 14 penetrates through a valve plate inlet hole 23 and a valve plate outlet hole 24 in the valve plate 22 and is screwed into the thread structures of the piston cylinder water inlet channel 7 and the piston cylinder water outlet channel 8 respectively, and in order to further improve the sealing effect, a seal gum is coated on the thread part of the water through bolt and a seal gasket 20 is matched below a nut; the structure of the water through bolt 14 is not particularly limited as long as the two ends of the water through bolt are communicated with each other, in this embodiment, the water through bolt 14 is a hollow structure, and water flows in the hollow hole. For convenience of processing and installation, the cylinder cover water inlet passage 10 and the cylinder cover water outlet passage 11 form a process hole 15 on the surface of the cylinder cover 9, and are sealed by a sealing cap 16, that is, the cylinder cover water inlet passage 10 and the cylinder cover water outlet passage 11 form an opening on the surface of the cylinder cover 9 and are sealed by the sealing cap 16, and at the moment, the water passing bolt 14 and the sealing cap are communicated with each other in space between the nut and the sealing cap 16; in order to further realize simple preparation, a second process hole 17 is further formed in the cylinder cover, the second process hole 17 is sealed by a second sealing cap 18, the second process hole 17 is a blind hole, further, the second process hole 17 is arranged in a cylinder cover channel between the cylinder cover water inlet channel 10 and the cylinder cover water outlet channel 11, and at the moment, the cylinder cover channel penetrates through a space of the second process hole 17 sealed by the second sealing cap 18.
Example 2
The embodiment discloses a water cooling channel of an oil-free air compressor, which is a modification on the basis of embodiment 1, and the specific differences are as follows: cylinder cap inlet channel 10 with cylinder cap outlet channel 11 is through setting up the cylinder cap passageway intercommunication in 9 walls of cylinder cap, the cylinder cap passageway is followed cylinder cap inlet channel 11 punishment divide into two, and these two cylinder cap passageways are in cylinder cap outlet channel 11 department joins a department. In particular, reference may be made to the schematic illustration of the water circuit 21 in the head 9 in fig. 4, although the structure of the head channels is preferably a combination of rectilinear channels.
The utility model discloses a use as follows.
As shown in fig. 3 and 4, cooling water or cooling liquid is introduced from the water inlet 2, and the cooling water or cooling liquid passes through the crankcase water inlet passage 4, the seal shaft sleeve 13, the piston cylinder water inlet passage 7, the water passing bolt 14, the cylinder head water inlet passage 10, the cylinder head passage, the cylinder head water outlet passage 11, the water passing bolt 14, the piston cylinder water outlet passage 8, the seal shaft sleeve 13, and the crankcase water outlet passage 5 in sequence, and is finally discharged from the water outlet 3; of course, a circulating structure may be provided.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A water cooling channel of an oil-free air compressor is characterized in that a water inlet and a water outlet are formed on the side wall of a crankcase, and a crankcase water inlet channel and a crankcase water outlet channel are formed in the side wall of the crankcase; a piston cylinder water inlet channel and a piston cylinder water outlet channel are formed in the side wall of the piston cylinder; a cylinder cover water inlet channel and a cylinder cover water outlet channel which are communicated are formed in the cylinder cover wall; the water inlet, the crankcase water inlet channel, the piston cylinder water inlet channel, the cylinder cover water outlet channel, the piston cylinder water outlet channel, the crankcase water outlet channel and the water outlet are sequentially communicated in a sealing mode to form a water cooling channel.
2. The water-cooling channel of claim 1, wherein the water-cooling channel is of an inverted U-shaped configuration.
3. The water-cooling passage of claim 1, wherein the cylinder head water inlet passage and the cylinder head water outlet passage are communicated through a cylinder head passage provided in a cylinder head wall, the cylinder head passage is divided into two from the cylinder head water inlet passage, and the two cylinder head passages are merged at the cylinder head water outlet passage.
4. The water-cooling channel according to any one of claims 1 to 3, wherein the crankcase water inlet channel and the piston cylinder water inlet channel and the crankcase water outlet channel and the piston cylinder water outlet channel are respectively communicated in a sealing mode through sealing shaft sleeves provided with sealing rings.
5. The water-cooling channel of claim 4, wherein the ends of the piston cylinder water inlet channel and the piston cylinder water outlet channel close to the valve plate form a threaded structure, the cylinder cover water inlet channel and the cylinder cover water outlet channel form a stepped hole structure, and a water passing bolt passes through a valve plate inlet hole and a valve plate outlet hole on the valve plate and is screwed into the threaded structures of the piston cylinder water inlet channel and the piston cylinder water outlet channel respectively.
6. The water-cooling channel of claim 5, wherein the cylinder head water inlet channel and the cylinder head water outlet channel are formed with fabrication holes on the surface of the cylinder head and sealed with sealing caps.
7. The water-cooling channel according to claim 6, wherein the water passage bolt is sealed by forming a sealant layer and a fitting gasket on the threaded portion.
8. The water-cooling channel of claim 7, wherein a second fabrication hole is further formed on the cylinder cover, and the second fabrication hole is sealed by a second sealing cap.
9. The water-cooled channel of claim 8, wherein the second fabrication hole is provided in the head channel between the head inlet channel and the head outlet channel.
10. The water-cooled channel of claim 9, wherein a gasket is disposed between the crankcase and the piston cylinder, and the seal bushing is disposed through the gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221383304.7U CN217501916U (en) | 2022-05-31 | 2022-05-31 | Water cooling channel of oilless air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221383304.7U CN217501916U (en) | 2022-05-31 | 2022-05-31 | Water cooling channel of oilless air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217501916U true CN217501916U (en) | 2022-09-27 |
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ID=83357258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221383304.7U Active CN217501916U (en) | 2022-05-31 | 2022-05-31 | Water cooling channel of oilless air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217501916U (en) |
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2022
- 2022-05-31 CN CN202221383304.7U patent/CN217501916U/en active Active
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