CN219176465U - Novel piston valve device - Google Patents
Novel piston valve device Download PDFInfo
- Publication number
- CN219176465U CN219176465U CN202223197972.3U CN202223197972U CN219176465U CN 219176465 U CN219176465 U CN 219176465U CN 202223197972 U CN202223197972 U CN 202223197972U CN 219176465 U CN219176465 U CN 219176465U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- piston rod
- gas
- air
- holes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The utility model discloses a novel piston valve device, which comprises an intake valve and a gas guide pipe, wherein the intake valve comprises an end head of a horn-shaped structure and a piston rod, a guide hole is formed in the piston rod, and communication holes are formed in the upper end and the lower end of the guide hole; the gas conduit comprises a sleeve, a piston rod penetrates through the sleeve and is in clearance fit with the sleeve, the piston rod can reciprocate in the sleeve, an air inlet is formed in the outer portion of the sleeve, the air inlet is externally connected with the gas conduit, an air outlet hole is formed in the upper side wall and the lower side wall of the sleeve, when the piston rod pushes, the air inlet is overlapped with the flow guide holes, the air outlet holes are in one-to-one correspondence with the communication holes, an air jet pipe is arranged outside the air outlet hole in an inlet mode, a plurality of air flow channels are formed in the air jet pipe, and the air flow channels face towards the end heads. According to the utility model, by arranging two groups of air ejector pipes and arranging a plurality of air flow channels on the air ejector pipes, the injection area of high-pressure fuel gas is increased, the mixing effect of the high-pressure fuel gas and air is practically improved, and the mixed gas in the cylinder can be fully combusted.
Description
Technical Field
The utility model relates to the technical field of piston valves, in particular to a novel piston valve device.
Background
Although the prior art can realize the mixing of air and fuel gas in a cylinder of an internal combustion engine and then the air and the fuel gas are introduced into a combustion chamber for ignition and combustion, the technical problem of poor mixing effect caused by the fact that high-pressure fuel gas enters the cylinder in a jet flow state exists.
Disclosure of Invention
The utility model aims to overcome the defects and shortcomings of the prior art and provide a novel piston valve device.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the novel piston valve device comprises an intake valve and a gas guide pipe, and is characterized in that: the air inlet valve comprises an end head of a horn-shaped structure and a piston rod, a diversion hole is formed in the piston rod, and communication holes are formed in the upper end and the lower end of the diversion hole; the gas guide pipe comprises a sleeve, the piston rod penetrates through the sleeve and is in clearance fit with the sleeve, the piston rod can reciprocate in the sleeve, the outside of the sleeve is provided with a gas inlet, the gas inlet is externally connected with the gas guide pipe, the upper side wall and the lower side wall of the sleeve are provided with gas outlet holes, when the piston rod is pushed, the gas inlet is overlapped with the flow guide holes, the gas outlet holes are in one-to-one correspondence with the communication holes, the outside of the gas outlet holes is provided with a gas spraying pipe, a plurality of gas flow channels are arranged in the gas spraying pipe, and the gas flow channels face towards the end heads.
Furthermore, the left side and the right side of the outer part of the piston rod are provided with positioning rings, and the positioning rings position the moving range of the piston rod.
Furthermore, the piston rod is a square column body, and a square column hole is also formed in the sleeve.
Further, sealing rings are arranged on the left side and the right side of the inside of the sleeve.
After the structure is adopted, the utility model has the beneficial effects that:
the utility model has simple structure and convenient use, and the two groups of air ejector pipes are provided with a plurality of air flow channels, so that the injection area of high-pressure fuel gas is increased, the mixing effect of the high-pressure fuel gas and air is practically improved, and the mixed gas in the cylinder can be fully combusted.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of an intake valve in the present utility model;
FIG. 3 is a schematic view of a gas conduit according to the present utility model;
fig. 4 is a state diagram of the present utility model in use.
Reference numerals illustrate:
1 an intake valve, 11 ends, 12 piston rods, 13 guide holes, 14 communication holes, 15 positioning rings, 2 gas guide pipes, 21 sleeves, 22 air inlets, 23 air outlets, 24 air ejector pipes, 25 air flow channels and 26 sealing rings.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail below with reference to the accompanying drawings and detailed description. It should be understood that the detailed description is presented by way of example only and is not intended to limit the utility model.
1-4, a novel piston valve device comprises an intake valve 1 and a gas guide pipe 2, wherein the intake valve 1 comprises a tip 11 with a horn-shaped structure and a piston rod 12, a guide hole 13 is formed in the piston rod 12, and communication holes 14 are formed in the upper end and the lower end of the guide hole 13; the gas conduit 2 comprises a sleeve 21, the piston rod 12 penetrates through the sleeve 21 and is in clearance fit with the sleeve 21, the piston rod 12 can reciprocate in the sleeve 21 in a piston mode, an air inlet 22 is formed in the outside of the sleeve 21, the air inlet 22 is externally connected with the gas conduit, air outlet holes 23 are formed in the upper side wall and the lower side wall of the sleeve 21, when the piston rod 12 is pushed, the air inlet 22 is overlapped with the flow guide holes 13 (see fig. 4), the air outlet holes 23 are in one-to-one correspondence with the communication holes 14 (see fig. 4), an air ejector tube 24 is arranged outside the air outlet holes 23 in an inlet mode, a plurality of air flow channels 25 are formed in the air ejector tube 24, and the air flow channels 24 face the end 11.
Specifically, in the initial state, the piston rod 12 is located at the rear end, and the front end of the piston rod 12 closes the air inlet 22; when the piston rod 12 is pushed to move forwards, the flow guide hole 13 on the piston rod 12 is overlapped with the air inlet 22, the air inlet 22 is opened, the communication hole 14 is communicated with the air outlet 23, high-pressure gas enters through the air inlet 22 and then sequentially enters the air flow channel 25 through the communication hole 14 and the air outlet 23, is sprayed into the cylinder and is beaten on the end 11, and the upper air flow channel and the lower air flow channel 25 are adopted to improve the spraying area, so that the high-pressure gas can be fully mixed with air in the cylinder, the spraying area of the high-pressure gas is improved, the mixing effect of the high-pressure gas and the air is practically improved, and the mixed gas in the cylinder can be fully combusted.
In this embodiment, positioning rings 15 are provided on the left and right sides of the outside of the piston rod 12, and the positioning rings 15 position the movement range of the piston rod 12. The positioning ring 15 can position the left and right positions of the piston rod 12, after the left positioning ring is in place, the piston rod 12 is in an initial state, and the air inlet 22 is closed; after the positioning ring on the right side is in place, the diversion holes 13 are overlapped with the air inlets 22, and the air inlets 22 are opened.
In this embodiment, the piston rod 12 is a square cylinder, and the sleeve 21 is also provided with a square cylinder hole, so that the piston rod 12 can be prevented from rotating during the left-right movement, and the guide hole 13 can be ensured to overlap with the air inlet 22.
In this embodiment, the left and right sides of the inside of the sleeve 21 are provided with seal rings 26 to avoid leakage of high-pressure gas.
The foregoing is merely illustrative of the present utility model and not restrictive, and other modifications and equivalents thereof may occur to those skilled in the art without departing from the spirit and scope of the present utility model.
Claims (4)
1. The utility model provides a novel piston valve gear, includes intake valve and gas pipe, its characterized in that: the air inlet valve comprises an end head of a horn-shaped structure and a piston rod, a diversion hole is formed in the piston rod, and communication holes are formed in the upper end and the lower end of the diversion hole; the gas guide pipe comprises a sleeve, the piston rod penetrates through the sleeve and is in clearance fit with the sleeve, the piston rod can reciprocate in the sleeve, the outside of the sleeve is provided with a gas inlet, the gas inlet is externally connected with the gas guide pipe, the upper side wall and the lower side wall of the sleeve are provided with gas outlet holes, when the piston rod is pushed, the gas inlet is overlapped with the flow guide holes, the gas outlet holes are in one-to-one correspondence with the communication holes, the outside of the gas outlet holes is provided with a gas spraying pipe, a plurality of gas flow channels are arranged in the gas spraying pipe, and the gas flow channels face towards the end heads.
2. A novel piston valve assembly as set forth in claim 1, wherein: and positioning rings are arranged on the left side and the right side of the outer part of the piston rod, and are used for positioning the moving range of the piston rod.
3. A novel piston valve assembly as set forth in claim 1, wherein: the piston rod is a square column body, and square column holes are also formed in the sleeve.
4. A novel piston valve assembly as set forth in claim 1, wherein: sealing rings are arranged on the left side and the right side of the inside of the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223197972.3U CN219176465U (en) | 2022-11-29 | 2022-11-29 | Novel piston valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223197972.3U CN219176465U (en) | 2022-11-29 | 2022-11-29 | Novel piston valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219176465U true CN219176465U (en) | 2023-06-13 |
Family
ID=86673544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223197972.3U Active CN219176465U (en) | 2022-11-29 | 2022-11-29 | Novel piston valve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219176465U (en) |
-
2022
- 2022-11-29 CN CN202223197972.3U patent/CN219176465U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211623564U (en) | High-pressure gas injection structure | |
| CN110953106A (en) | Gas auxiliary fuel supply system and method for direct injection engine in ignition type heavy oil cylinder | |
| CN214616743U (en) | Pre-combustion chamber device for scavenging air in air inlet passage and engine | |
| CN219176465U (en) | Novel piston valve device | |
| CN105179111A (en) | Gas/dual-fuel engine intake manifold gas injection device | |
| CN2893194Y (en) | Diesel engine fuel injection device | |
| CN104696083A (en) | Automobile duel fuel guide rail multi-way valve | |
| CN2839602Y (en) | Diesel engine combustion chamber fuel-injection nozzle | |
| CN202789201U (en) | Gas injection guide pipe assembly of natural gas engine | |
| CN104832319A (en) | Gas/dual-fuel engine fuel gas echelon spraying device | |
| CN204476570U (en) | Double-fuel guide rail multiple-way valve | |
| CN106499516B (en) | Internal combustion wave rotor mixes gas and forms device | |
| CN111287865A (en) | Gas injection device with inner cavity radiation spray pipe | |
| CN114961914B (en) | Novel gas engine piston valve injection mechanism and gas engine thereof | |
| CN209293945U (en) | A kind of natural gas diesel injector of new control model | |
| CN214616786U (en) | Prechamber device and engine of intake pipe gas cooling | |
| CN201059233Y (en) | Injector fuel oil returning structure | |
| CN216665800U (en) | Flow guide structure of air-entraining direct injection system | |
| CN214616747U (en) | Pre-combustion chamber device for scavenging air in air inlet pipe and engine | |
| CN111577497A (en) | Dual-fuel injector | |
| CN214616750U (en) | Improve antechamber device and engine of gas mixture oxygen content | |
| CN204729189U (en) | A kind of gas/duel fuel engine combustion gas echelon injection apparatus | |
| CN216841971U (en) | Engine gas injection valve mounting structure | |
| CN214616753U (en) | Improve mist oxygen content and realize antechamber device and engine of heat pipe cooling | |
| CN107882662A (en) | Binary channels EGR dish valves |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |