CN216173332U - Injection valve for dry oil injection system - Google Patents
Injection valve for dry oil injection system Download PDFInfo
- Publication number
- CN216173332U CN216173332U CN202120601644.1U CN202120601644U CN216173332U CN 216173332 U CN216173332 U CN 216173332U CN 202120601644 U CN202120601644 U CN 202120601644U CN 216173332 U CN216173332 U CN 216173332U
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- China
- Prior art keywords
- injection
- oil
- valve
- channel
- inlet channel
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- 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.)
- Expired - Fee Related
Links
- 238000002347 injection Methods 0.000 title claims abstract description 125
- 239000007924 injection Substances 0.000 title claims abstract description 125
- 238000004140 cleaning Methods 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 5
- 238000010926 purge Methods 0.000 claims 1
- 239000004519 grease Substances 0.000 abstract description 15
- 238000005461 lubrication Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides an injection valve for a dry oil injection system, which comprises a valve body, an oil injection pipe and an air injection pipe, wherein the valve body is provided with an injection channel, an oil inlet channel and an air inlet channel; the oil inlet channel and the air inlet channel are communicated with the injection channel, and the oil inlet channel is positioned between the air inlet channel and the injection valve port; the oil spout pipe is linked together with the oil feed passageway, and the jet-propelled pipe is linked together with inlet channel, so in the use, grease and air can be in the injection channel mixed injection, and when not using, can let in the air alone and make the air clear away accumulational grease in the injection channel, avoid the use of grease influence injection valve, possess fine practicality.
Description
Technical Field
The utility model relates to the technical field of dry oil injection systems, in particular to an injection valve for a dry oil injection system.
Background
The dry oil injection lubrication and the oil mist lubrication are the same lubrication mode which takes compressed air as power, the grease is pressed and fed by an electric oil supply device, the grease is converged with the compressed air at a nozzle and is blown to be dispersed into granular oil particles, and the granular oil particles are directly injected to a friction pair along with the compressed air for lubrication. The lubricating device has the remarkable characteristics that the lubricant can be uniformly projected on a friction surface in a certain space, orientation and quantification mode, the use is convenient, the work is reliable, the oil consumption is saved, and a better lubricating effect can be obtained under a severe working environment.
At present, all the existing dry oil injection valves adopt an air inlet passage and an oil inlet passage and inject the mixture after the mixture of injection ports, but due to natural diffusion, grease is easy to accumulate at the position of the oil inlet passage of the injection valve. If the accumulated grease can not be removed regularly, the oil injection effect is poor, and even the normal use of the valve is affected.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need for an injection valve for a dry oil injection system, which is used to solve the problem that the oil injection effect is poor due to the accumulation of grease at the oil inlet passage of the conventional dry oil injection valve.
The utility model provides an injection valve for a dry oil injection system, which comprises a valve body, an oil injection pipe and an air injection pipe, wherein the valve body is provided with an injection channel, an oil inlet channel and an air inlet channel; the oil inlet channel and the air inlet channel are communicated with the injection channel, and the oil inlet channel is positioned between the air inlet channel and the injection valve port; the oil spraying pipe is communicated with the oil inlet channel, and the air spraying pipe is communicated with the air inlet channel.
Optionally, the oil inlet channel and the air inlet channel are both vertically communicated with the injection channel.
Optionally, the oil inlet passage and the air inlet passage are parallel.
Optionally, the injection valve for the dry oil injection system further includes two tees and two pressure relief valves, the oil injection pipe is connected to a first opening of one tee, the oil inlet channel is connected to a second opening of one tee, and one pressure relief valve is connected to a third opening of one tee; the gas injection pipe is connected with the first opening of the other tee joint, the gas inlet channel is connected with the second opening of the other tee joint, and the other pressure relief valve is connected with the third opening of the other tee joint.
Optionally, the injection valve for the dry oil injection system further includes a first pressure sensor, the first pressure sensor is fixed to the valve body, a sensing joint of the first pressure sensor penetrates through the valve body in a sealing manner, and the sensing joint of the first pressure sensor is located in the oil inlet passage.
Optionally, the injection valve for the dry oil injection system further includes a second pressure sensor, the second pressure sensor is fixed to the valve body, a sensing joint of the second pressure sensor penetrates through the valve body in a sealing manner, and the sensing joint of the second pressure sensor is located in the air intake passage.
Optionally, the injection valve for the dry oil injection system further comprises a plug, a cleaning opening is formed in the valve body and communicated with the injection channel, and the plug is embedded in the cleaning opening.
Optionally, an internal thread is formed on the cleaning opening, an external thread is formed on the plug, and the plug is in threaded connection with the cleaning opening.
Optionally, the cleaning port and the ejection channel are arranged coaxially.
Optionally, the diameter of the cleaning opening is larger than the diameter of the ejection channel.
The utility model has the beneficial effects that:
according to the injection valve for the dry oil injection system, the injection channel, the oil inlet channel and the air inlet channel are formed in the valve body, the oil inlet channel and the air inlet channel are communicated with the injection channel, and the oil inlet channel is located between the air inlet channel and the injection valve port; the oil spout pipe is linked together with the oil feed passageway, and the jet-propelled pipe is linked together with inlet channel, so in the use, grease and air can be in the injection channel mixed injection, and when not using, can let in the air alone and make the air clear away accumulational grease in the injection channel, avoid the use of grease influence injection valve, possess fine practicality.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a perspective view of an injection valve for a dry oil injection system in one direction according to a first embodiment of the present invention;
fig. 2 is a sectional view of an injection valve for a dry oil injection system according to a first embodiment of the present invention.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the utility model and together with the description, serve to explain the principles of the utility model and not to limit the scope of the utility model.
Example one
Referring to fig. 1 and 2, an injection valve for a dry oil injection system disclosed in an embodiment of the present invention includes a valve body 1, an oil injection pipe 2, and an air injection pipe 3, wherein the valve body 1 is provided with an injection channel 11, an oil inlet channel 12, and an air inlet channel 13, the injection channel 11 is arranged along a length direction of the valve body 1, one end of the injection channel 11 forms an injection valve port, and the other end of the injection channel 11 is closed; the oil inlet channel 12 and the air inlet channel 13 are both communicated with the injection channel 11, and the oil inlet channel 12 is positioned between the air inlet channel 13 and the injection valve port; the oil injection pipe 2 is communicated with the oil inlet channel 12, and the gas injection pipe 3 is communicated with the gas inlet channel 13. In the use, grease and air can mix in injection passage 11 and spray, and when not using, can let in the air alone and make the air clear away the accumulational grease in injection passage 11, avoid grease to influence injection valve's use.
Further, the oil inlet channel 12 and the air inlet channel 13 are both vertically communicated with the injection channel 11, and the oil inlet channel 12 is parallel to the air inlet channel 13. The passages are vertical, so that grease and air passing through the oil inlet passage 12 and the air inlet passage 13 can be mixed with each other in the process of colliding with the injection passage 11, and finally are sprayed out from the injection passage 11 under the action of the power of the air.
Further, the injection valve for the dry oil injection system further comprises two tee joints 4 and two pressure release valves 5, the oil injection pipe 2 is connected with a first opening of one tee joint 4, the oil inlet channel 12 is connected with a second opening of one tee joint 4, and one pressure release valve 5 is connected with a third opening of one tee joint 4; the gas lance 3 is connected to a first opening of the other tee 4, the gas inlet channel 13 is connected to a second opening of the other tee 4, and the other pressure relief valve 5 is connected to a third opening of the other tee 4. Through setting up tee bend 4 and relief valve 5, can avoid spouting the pressure increase suddenly in oil pipe 2 and the jet-propelled pipe 3, avoid pressure to produce destruction to valve body 1. When the pressure is increased to exceed the threshold value of the pressure relief valve 5, the pressure relief valve 5 can be broken and the pressure can be removed, and the valve body 1 is ensured not to be damaged.
Further, the injection valve for the dry oil injection system further comprises a first pressure sensor 6 and a second pressure sensor 7, the first pressure sensor 6 is fixed on the valve body 1, a sensing joint of the first pressure sensor 6 penetrates through the valve body 1 in a sealing mode, and the sensing joint of the first pressure sensor 6 is located in the oil inlet channel 12. The second pressure sensor 7 is fixed on the valve body 1, a sensing joint of the second pressure sensor 7 penetrates through the valve body 1 in a sealing mode, and the sensing joint of the second pressure sensor 7 is located in the air inlet channel 13.
Furthermore, the injection valve for the dry oil injection system further comprises a plug 8, a cleaning opening is formed in the valve body 1 and communicated with the injection channel 11, and the plug 8 is embedded in the cleaning opening. An internal thread is formed on the cleaning opening, an external thread is formed on the plug 8, and the plug 8 is in threaded connection with the cleaning opening. It is noted that the cleaning port and the ejection passage 11 are coaxially arranged and the diameter of the cleaning port is larger than that of the ejection passage 11. Through removing end cap 8, can wash valve body 1, avoid the stubborn impurity that the injection air that exists on the injection passageway 11 can't be clear away to influence the use of injection valve.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention.
Claims (10)
1. The injection valve for the dry oil injection system is characterized by comprising a valve body, an oil injection pipe and an air injection pipe, wherein an injection channel, an oil inlet channel and an air inlet channel are formed in the valve body, the injection channel is arranged along the length direction of the valve body, one end of the injection channel forms an injection valve port, and the other end of the injection channel is closed; the oil inlet channel and the air inlet channel are communicated with the injection channel, and the oil inlet channel is positioned between the air inlet channel and the injection valve port; the oil injection pipe is communicated with the oil inlet channel, and the gas injection pipe is communicated with the gas inlet channel.
2. The injection valve for a dry oil injection system of claim 1, wherein the oil inlet passage and the air inlet passage are both in vertical communication with the injection passage.
3. The injection valve for a dry oil injection system of claim 2, wherein the oil inlet passage and the air inlet passage are parallel.
4. The injection valve for a dry oil injection system according to claim 1, further comprising two tee joints and two pressure relief valves, wherein the oil injection pipe is connected to a first opening of one of the tee joints, the oil inlet passage is connected to a second opening of one of the tee joints, and one of the pressure relief valves is connected to a third opening of one of the tee joints; the gas injection pipe is connected to the first opening of the other tee joint, the gas inlet channel is connected to the second opening of the other tee joint, and the other pressure relief valve is connected to the third opening of the other tee joint.
5. The injection valve of claim 1, further comprising a first pressure sensor secured to the valve body, wherein a sensing connection of the first pressure sensor sealingly penetrates the valve body, and wherein the sensing connection of the first pressure sensor is positioned within the oil inlet passage.
6. The injection valve for the dry oil injection system according to claim 4, further comprising a second pressure sensor fixed to the valve body, a sensing joint of the second pressure sensor passing through the valve body in a sealing manner, the sensing joint of the second pressure sensor being located in the intake passage.
7. The injection valve for the dry oil injection system according to any one of claims 1 to 6, further comprising a plug, wherein the valve body is provided with a cleaning port, the cleaning port is communicated with the injection channel, and the plug is embedded in the cleaning port.
8. The injection valve for a dry oil injection system according to claim 7, wherein an internal thread is formed on the cleaning port, an external thread is formed on the plug, and the plug is threadedly coupled to the cleaning port.
9. The injection valve for a dry oil injection system according to claim 7, wherein the purge port and the injection passage are coaxially provided.
10. The injection valve for a dry oil injection system according to claim 9, wherein the diameter of the cleaning port is larger than the diameter of the injection passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120601644.1U CN216173332U (en) | 2021-03-24 | 2021-03-24 | Injection valve for dry oil injection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120601644.1U CN216173332U (en) | 2021-03-24 | 2021-03-24 | Injection valve for dry oil injection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216173332U true CN216173332U (en) | 2022-04-05 |
Family
ID=80857757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120601644.1U Expired - Fee Related CN216173332U (en) | 2021-03-24 | 2021-03-24 | Injection valve for dry oil injection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216173332U (en) |
-
2021
- 2021-03-24 CN CN202120601644.1U patent/CN216173332U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220405 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |