CN204591649U - The slow starter of lubricating function is had concurrently for the low temperature resistant startup of membrane pump with pneumatic drive - Google Patents
The slow starter of lubricating function is had concurrently for the low temperature resistant startup of membrane pump with pneumatic drive Download PDFInfo
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- CN204591649U CN204591649U CN201520000331.5U CN201520000331U CN204591649U CN 204591649 U CN204591649 U CN 204591649U CN 201520000331 U CN201520000331 U CN 201520000331U CN 204591649 U CN204591649 U CN 204591649U
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Abstract
This practical lamp-type relates to for the low temperature resistant startup of membrane pump with pneumatic drive and has the slow starter of lubricating function concurrently, include the airspeed adjusting cylinders vertically arranged, be located at the lubricating cup above this airspeed adjusting cylinders, be located at the regulating the qi flowing in the channels plug in airspeed adjusting cylinders, damping modulating valve, be located at the suction port of the end below airspeed adjusting cylinders, and the air outlet be located in the middle part of airspeed adjusting cylinders and spring, the utility model is used for the low temperature resistant startup of membrane pump with pneumatic drive and has the slow starter of lubricating function concurrently, be series in the front pipeline of membrane pump with pneumatic drive, often pressurized gas have air pressure process from weak to strong, therefore, it is possible to produce the effect slowly promoted, in addition because the lubricant oil in lubricating cup can in the process of large piston rod work, membrane pump with pneumatic drive is started lentamente, enter into the air flow chamber of below through piston and enter into the air pump at rear along with air outlet and pressure duct, therefore self-lubricated effect can be played to membrane pump with pneumatic drive.
Description
Technical field
The utility model relates to membrane pump with pneumatic drive technical field, particularly relates to the slow starter of a kind of membrane pump with pneumatic drive with low temperature resistant startup and lubricating function.
Background technique
Current membrane pump with pneumatic drive is under close to the low temperature environment of zero degree during cold start-up, because when starting, diaphragm can move suddenly relative to cylinder, add because inside does not have pressure can dry running rapidly, speed of related movement adds lower temperature environment faster, some low temperature resistant poor diaphragms are also in lower temperature condition owing to not passing through with heat, like this due to the physical property of diaphragm, be also in more crisp state, easily cause the startup of diaphragm damage or tear.The current method solving startup suddenly under membrane pump with pneumatic drive low temperature environment is, by operation manually, open the air intake valve of pump slowly, the air inflow of slow elevator pump again, allow pump from rising to normal pump gradually beats speed slowly, carry out suitable pre-motion to diaphragm makes its temperature raise simultaneously, mode not only more time-consuming, the effort of this operation.And need independent people operation due to each pump, a people can not operate multiple stage pneumatic diaphragm pump startup simultaneously.And under the working state of reality, need to start multiple stage pump often simultaneously, when the many people of needs operate simultaneously, need multiple people to come corresponding auxiliary, this can cause the rising of human cost, reduces the reliability and stability that product uses.Fully can not meet the needs in market.
Model utility content
The utility model is for overcoming above-mentioned defect, provides a kind of and starts slowly by changing toggle speed and provide the membrane pump with pneumatic drive of lubricating function slow starter.
For achieving the above object, the utility model adopts following technological scheme: include the airspeed adjusting cylinders vertically arranged, be located at the lubricating cup above this airspeed adjusting cylinders, be located at the regulating the qi flowing in the channels plug in airspeed adjusting cylinders, damping modulating valve, be located at the suction port of the end below airspeed adjusting cylinders, and the air outlet be located in the middle part of airspeed adjusting cylinders and spring, the large piston that described regulating the qi flowing in the channels plug includes top and the small piston be fixedly connected with this large piston bottom end, the lower end of this small piston, be provided with the change neck of the taper that piston rod section area from top to bottom reduces successively, the top of described airspeed adjusting cylinders is provided with the large piston cavity coordinated with the large piston of regulating the qi flowing in the channels side beyond the Great Wall, middle part is provided with the air flow chamber that diameter is less than large piston cavity, bottom is provided with the small piston chamber coordinated with small piston on the downside of regulating the qi flowing in the channels plug, the lower opening in small piston chamber establishes Packed air-inlet cavity, described suction port is connected with the air-inlet cavity tightness below small piston chamber, described air outlet to be located on air flow chamber shell and to be connected with air flow chamber tightness, described regulating the qi flowing in the channels plug is located in the large piston cavity of airspeed adjusting cylinders, spring above large piston cavity with the upper-end contact of large piston, be connected with the upper end tightness of large piston cavity at the bottom of the cup of the lower end of lubricating cup, at the bottom of the cup of this lubricating cup and the upper end extruding also Compress Spring two ends of large piston rod, large piston rod be positioned at large piston cavity bottom time, there is between the change neck of small piston rod and small piston chamber the air inlet gap of little circular concentric, described damping modulating valve is located between lubricating cup and large piston cavity, described damping modulating valve is provided with the damping hole and return port that connect lubricating cup and large piston cavity, minimum-value aperture in damping hole passage is less than the minimum-value aperture of return port passage, the first one-way valve towards the unidirectional opening in lubricating cup direction is provided with in described damping hole passage, the second one-way valve of the unidirectional opening in direction towards large piston cavity is arranged in series in described return port passage.
Of the present utility modelly have concurrently in the slow starter of lubricating function for the low temperature resistant startup of membrane pump with pneumatic drive, also include damping modulating valve, the damping modulating valve described in this is arranged in series in damping hole.
Beneficial effect: the utility model is used for the low temperature resistant startup of membrane pump with pneumatic drive and has the slow starter of lubricating function concurrently, be series in the front pipeline of membrane pump with pneumatic drive, external high pressure source of the gas periodically pressurized gas enters into membrane pump with pneumatic drive by this slow starter, when first pressurized gas enters into membrane pump with pneumatic drive, the air inlet gap of the airflow passes regulating the qi flowing in the channels change neck of small piston beyond the Great Wall, air-flow and small piston chamber interact and upwards impact small piston rod lower end, small piston rod then moves upward under the influence of air pressure, promote the elastic force that large piston rod overcomes spring to move upward, lubricant oil in large piston cavity upwards enters into lubricating cup by damping hole, because the minimum-value aperture of damping hole is less, the speed of the oil body motion therefore during this time in large piston cavity is slow, the airspeed being become gap between neck and small piston chamber by small piston is also slow, after all flowing through air inlet gap at first pressurized gas, in lubricating cup, lubricant oil can enter in large piston cavity by return port fast, large piston can return rapidly under the action of the spring, because first pressurized gas has air pressure process from weak to strong in this process, therefore be also large from little change to the promotion of the membrane pump with pneumatic drive of rear side, therefore, it is possible to produce the effect slowly promoted, in addition because the lubricant oil in lubricating cup can in the process of large piston rod work, enter into the air flow chamber of below through piston and enter into the air pump at rear along with air outlet and pressure duct, therefore the self-lubricated effect to membrane pump with pneumatic drive can be played.
Below in conjunction with accompanying drawing, the utility model is described in detail, to make above-mentioned advantage of the present utility model definitely.
Accompanying drawing explanation
Fig. 1, cross section structural drawing for the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, further detailed description is done to the utility model.
Please refer to shown in Fig. 1, for the structural representation of a kind of embodiment of the present utility model, of the present utility modelly have the slow starter of lubricating function concurrently for the low temperature resistant startup of membrane pump with pneumatic drive, include the airspeed adjusting cylinders 1 vertically arranged, be located at the lubricating cup 9 above this airspeed adjusting cylinders, be located at the regulating the qi flowing in the channels plug in airspeed adjusting cylinders, damping modulating valve 8, be located at the suction port 16 of the end below airspeed adjusting cylinders, and the air outlet 10 be located in the middle part of airspeed adjusting cylinders and spring 3, the large piston 21 that described regulating the qi flowing in the channels plug includes top and the small piston 21 be fixedly connected with this large piston 21 bottom, the lower end of this small piston 21, be provided with the change neck 28 of the taper that piston rod section area from top to bottom reduces successively, the top of described airspeed adjusting cylinders is provided with the large piston cavity 11 coordinated with the large piston of regulating the qi flowing in the channels side beyond the Great Wall, middle part is provided with the air flow chamber 12 that diameter is less than large piston cavity, bottom is provided with the small piston chamber 15 coordinated with small piston on the downside of regulating the qi flowing in the channels plug, the lower opening in small piston chamber establishes Packed air-inlet cavity, described suction port is connected with the air-inlet cavity tightness below small piston chamber, described air outlet to be located on air flow chamber shell and to be connected with air flow chamber tightness, described regulating the qi flowing in the channels plug is located in the large piston cavity of airspeed adjusting cylinders, spring above large piston cavity with the upper-end contact of large piston, be connected with the upper end tightness of large piston cavity at the bottom of the cup of the lower end of lubricating cup, at the bottom of the cup of this lubricating cup and the upper end extruding also Compress Spring two ends of large piston rod, large piston rod be positioned at large piston cavity bottom time, there is between the change neck of small piston rod and small piston chamber the air inlet gap of little circular concentric, described damping modulating valve is located between lubricating cup and large piston cavity, described damping modulating valve is provided with the damping hole 81 and return port 80 that connect lubricating cup and large piston cavity, minimum-value aperture in damping hole passage is less than the minimum-value aperture of return port passage, the first one-way valve towards the unidirectional opening in lubricating cup direction is provided with in described damping hole passage, the second one-way valve of the unidirectional opening in direction towards large piston cavity is arranged in series in described return port passage.
Further, also include damping modulating valve, the damping modulating valve described in this is arranged in series in damping hole.The utility model is used for the low temperature resistant startup of membrane pump with pneumatic drive and has the slow starter of lubricating function concurrently, be series in the front pipeline of membrane pump with pneumatic drive, external high pressure source of the gas periodically pressurized gas enters into membrane pump with pneumatic drive by this slow starter, when first pressurized gas enters into membrane pump with pneumatic drive, the air inlet gap of the airflow passes regulating the qi flowing in the channels change neck of small piston beyond the Great Wall, air-flow and small piston chamber interact and upwards impact small piston rod lower end, small piston rod then moves upward under the influence of air pressure, promote the elastic force that large piston rod overcomes spring to move upward, lubricant oil in large piston cavity upwards enters into lubricating cup by damping hole, because the minimum-value aperture of damping hole is less, the speed of the oil body motion therefore during this time in large piston cavity is slow, the airspeed being become gap between neck and small piston chamber by small piston is also slow, after all flowing through air inlet gap at each group's pressurized gas, in lubricating cup, lubricant oil can enter in large piston cavity by return port fast, large piston can return rapidly under the action of the spring, because first pressurized gas has air pressure process from weak to strong in this process, therefore be also large from little change to the promotion of the membrane pump with pneumatic drive of rear side, therefore, it is possible to produce the effect slowly promoted, in addition because the lubricant oil in lubricating cup can in the process of large piston rod work, membrane pump with pneumatic drive can be made slowly to start gradually, enter into the air flow chamber of below through piston and enter into the air pump at rear along with air outlet and pressure duct, therefore self-lubricated effect can be played to membrane pump with pneumatic drive.
Claims (2)
1. one kind has the slow starter of lubricating function concurrently for the low temperature resistant startup of membrane pump with pneumatic drive, for the slow startup of membrane pump with pneumatic drive and lubrication before being series at membrane pump with pneumatic drive, it is characterized in that: include the airspeed adjusting cylinders vertically arranged, be located at the lubricating cup above this airspeed adjusting cylinders, be located at the regulating the qi flowing in the channels plug in airspeed adjusting cylinders, damping modulating valve, be located at the suction port of the end below airspeed adjusting cylinders, and the air outlet be located in the middle part of airspeed adjusting cylinders and spring, the large piston that described regulating the qi flowing in the channels plug includes top and the small piston be fixedly connected with this large piston bottom end, the lower end of this small piston, be provided with the change neck of the taper that piston rod section area from top to bottom reduces successively, the top of described airspeed adjusting cylinders is provided with the large piston cavity coordinated with the large piston of regulating the qi flowing in the channels side beyond the Great Wall, middle part is provided with the air flow chamber that diameter is less than large piston cavity, bottom is provided with the small piston chamber coordinated with small piston on the downside of regulating the qi flowing in the channels plug, the lower opening in small piston chamber establishes Packed air-inlet cavity, described suction port is connected with the air-inlet cavity tightness below small piston chamber, described air outlet to be located on air flow chamber shell and to be connected with air flow chamber tightness, described regulating the qi flowing in the channels plug is located in the large piston cavity of airspeed adjusting cylinders, spring above large piston cavity with the upper-end contact of large piston, be connected with the upper end tightness of large piston cavity at the bottom of the cup of the lower end of lubricating cup, at the bottom of the cup of this lubricating cup and the upper end extruding also Compress Spring two ends of large piston rod, large piston rod be positioned at large piston cavity bottom time, there is between the change neck of small piston rod and small piston chamber the air inlet gap of little circular concentric, described damping modulating valve is located between lubricating cup and large piston cavity, described damping modulating valve is provided with the damping hole and return port that connect lubricating cup and large piston cavity, minimum-value aperture in the whole passage of damping hole is less than the minimum-value aperture in the whole passage of return port, the first one-way valve towards the unidirectional opening in lubricating cup direction is provided with in described damping hole passage, the second one-way valve of the unidirectional opening in direction towards large piston cavity is then arranged in series in described return port passage.
2. according to claim 1ly have the slow starter of lubricating function concurrently for the low temperature resistant startup of membrane pump with pneumatic drive, it is characterized in that: also include damping modulating valve, the damping modulating valve described in this is arranged in series in damping hole.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520000331.5U CN204591649U (en) | 2015-01-03 | 2015-01-03 | The slow starter of lubricating function is had concurrently for the low temperature resistant startup of membrane pump with pneumatic drive |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520000331.5U CN204591649U (en) | 2015-01-03 | 2015-01-03 | The slow starter of lubricating function is had concurrently for the low temperature resistant startup of membrane pump with pneumatic drive |
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| CN204591649U true CN204591649U (en) | 2015-08-26 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114294286A (en) * | 2021-12-26 | 2022-04-08 | 浙江海宏液压科技股份有限公司 | Working valve plate and multi-way valve |
| CN114294280A (en) * | 2021-12-26 | 2022-04-08 | 浙江海宏液压科技股份有限公司 | Working valve plate and multi-way valve |
| CN114294283A (en) * | 2021-12-26 | 2022-04-08 | 浙江海宏液压科技股份有限公司 | Working valve plate and multi-way valve |
| CN117052639A (en) * | 2023-08-11 | 2023-11-14 | 江苏大学流体机械温岭研究院 | Circulating lubrication pressurizing diaphragm pump |
-
2015
- 2015-01-03 CN CN201520000331.5U patent/CN204591649U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114294286A (en) * | 2021-12-26 | 2022-04-08 | 浙江海宏液压科技股份有限公司 | Working valve plate and multi-way valve |
| CN114294280A (en) * | 2021-12-26 | 2022-04-08 | 浙江海宏液压科技股份有限公司 | Working valve plate and multi-way valve |
| CN114294283A (en) * | 2021-12-26 | 2022-04-08 | 浙江海宏液压科技股份有限公司 | Working valve plate and multi-way valve |
| CN114294283B (en) * | 2021-12-26 | 2024-04-09 | 浙江海宏液压科技股份有限公司 | Working valve plate and multi-way valve |
| CN114294286B (en) * | 2021-12-26 | 2024-04-09 | 浙江海宏液压科技股份有限公司 | Working valve plate and multi-way valve |
| CN114294280B (en) * | 2021-12-26 | 2024-04-09 | 浙江海宏液压科技股份有限公司 | Working valve plate and multi-way valve |
| CN117052639A (en) * | 2023-08-11 | 2023-11-14 | 江苏大学流体机械温岭研究院 | Circulating lubrication pressurizing diaphragm pump |
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