CN103233875B - Side direction ball commutation pneumatic pump - Google Patents
Side direction ball commutation pneumatic pump Download PDFInfo
- Publication number
- CN103233875B CN103233875B CN201310128808.3A CN201310128808A CN103233875B CN 103233875 B CN103233875 B CN 103233875B CN 201310128808 A CN201310128808 A CN 201310128808A CN 103233875 B CN103233875 B CN 103233875B
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- ball
- cylinder
- piston
- air flue
- commutation
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Abstract
The invention discloses side direction ball commutation pneumatic pump, comprise cylinder and piston, piston is fixedly installed piston rod, rod seal passes cylinder, piston and cylinder seal are slidably matched, feature cylinder is wholely set two lugs symmetrical along cylinder longitudinal center line left and right, lug is fixedly installed enclosing cover, outer the covering wherein being positioned at left side is provided with air inlet nozzle, outer the covering being positioned at right side is provided with exhaust nozzle, linkage type gas changement is provided with between enclosing cover and cylinder casing wall, left, right two linkage type gas changements are symmetrical along cylinder longitudinal center line, advantage be this pneumatic pump owing to being controlled the flow direction of gas by linkage type gas changement, realize the to-and-fro motion of piston, its stable working is reliable, commutation process collision and noise little, and overall structure is simply, low cost of manufacture.
Description
Technical field
The present invention relates to a kind of pneumatic pump, particularly relate to a kind of side direction ball commutation pneumatic pump.
Background technique
Pneumatic pump, using pressurized gas as power source, controls the flow direction of pressurized gas by distribution reversing arrangement, pressurized gas drives cylinder piston to-and-fro motion, realizes the function of outputting reciprocating linear movement.The power source of current pneumatic pump Chang Zuowei high pressure airless spray equipment etc., and the difference of foundation distribution reversing arrangement, current pneumatic pump can be divided into two large classes: a class adopts air operated reversing valve to control the flow direction of pressurized gas, and another kind of employing mechanical reversing mechanism controls pressurized gas and flows to.
Chinese utility model patent ZL200520091320.9 discloses a kind of Pneumatic pump and spraying machine thereof, it belongs to employing air operated reversing valve and controls the pressurized gas flow direction, it comprises master cylinder, main piston, pilot valve I, pilot valve II, selector valve, distribution block, pilot valve I and pilot valve II communicate with change-over valve core two ends cavity respectively, selector valve is connected with distribution block, by selector valve and distribution block control cylinder intake duct, it is characterized in that being provided with outlet valve, outlet valve is in parallel with selector valve, the spool of outlet valve and the valve spool of selector valve, the spool of outlet valve controls the air outlet flue of master cylinder, this pneumatic pump and spraying machine stable working thereof, noise is little, but it is large to there is manufacture difficulty, cost is high, and the shortcoming such as spool is easy to wear.
A kind of pneumatic pump disclosed in Chinese utility model patent ZL200820164523.X, it belongs to employing mechanical reversing mechanism and controls the pressurized gas flow direction, it comprises cylinder and changement, changement comprises valve seat, reversing bar, commutation slide block, commutation slip ring, valve seat, the sidewall of valve seat is provided with three transversely arranged windows, middle window is communicated with the suction port on valve seat, and two window distributions at two ends are communicated with cavity of resorption with epicoele; Commutation slip ring is embedded in commutation slide block just on the sidewall of window, and commutation slip ring center is installed with two ends makes commutation slip ring be close to the stage clip of valve seat wall against commutation slide block and commutation slip ring inwall respectively; Reversing bar top and commutation shoe contact, with promoting the horizontal slip of commutation slide block during piston rod movement, be provided with the Returnning spring making commutation slide block move horizontally reset between commutation slide block and valve seat; It is large that this pneumatic pump also exists wearing and tearing in commutation process, the shortcoming of the large grade of noise, and the stability of its commutation motion, accuracy all have much room for improvement.
Summary of the invention
Technical problem to be solved by this invention is to provide that a kind of structure is simple, stable working is reliable and the side direction ball commutation pneumatic pump that noise is little.
The present invention solves the problems of the technologies described above adopted technological scheme: side direction ball commutation pneumatic pump, comprise cylinder and be arranged on the piston in described cylinder, described piston is fixedly installed piston rod, described rod seal passes described cylinder, described piston and described cylinder seal are slidably matched, described cylinder is wholely set two lugs symmetrical along cylinder longitudinal center line left and right, described lug is fixedly installed enclosing cover, outer the covering wherein being positioned at left side is provided with air inlet nozzle, outer the covering being positioned at right side is provided with exhaust nozzle, linkage type gas changement is provided with between described enclosing cover and described cylinder casing wall, left, right linkage type gas changement described in two is symmetrical along described cylinder longitudinal center line.
The linkage type gas changement being positioned at left side comprises commutation connecting rod and the upper ball be arranged on described cylinder casing wall and lower ball, described upper ball and lower ball lay respectively at the both sides up and down of described piston, ventilation air flue is provided with between described enclosing cover and described cylinder casing wall, described ventilation air flue is connected with described air inlet nozzle, described commutation connecting rod is positioned at described ventilation air flue, upper end and the described upper ball of described commutation connecting rod are hinged, the lower end that described commutation connects and described lower ball are hinged, air flue is respectively arranged with in described upper ball and described lower ball, air flue in air flue in described upper ball and described lower ball is symmetrical along cylinder radial centre lines, described upper ball and described lower ball are fixedly installed baffle plate respectively on the side of piston, described baffle plate is positioned at same by the straight line of the centre of sphere with the articulating point of commutation connecting rod, the angle being positioned at air flue on same ball and baffle plate is 10 ~ 39.8 °, described air flue can ventilation angle be 20 ~ 75 °, the structure being positioned at the linkage type gas changement on right side is identical with the structure of the linkage type gas changement being positioned at left side, the direction being positioned at the upper ball air flue in left side is identical with the direction of the upper ball air flue being positioned at right side, the direction being positioned at the lower ball air flue in left side is identical with the direction of the lower ball air flue being positioned at right side, the both sides up and down of described piston have been wholely set flange respectively.
Described baffle plate is coated with buffer layer.
The both sides up and down of described piston are fixedly installed spring respectively.
Compared with prior art, advantage of the present invention be this pneumatic pump owing to being controlled the flow direction of gas by linkage type gas changement, realize the to-and-fro motion of piston, its stable working is reliable, commutation process collision and noise little, and overall structure is simply, low cost of manufacture; In addition, due to baffle plate being coated with buffer layer, the both sides up and down of piston are fixedly installed spring respectively, This further reduces the collision noise of commutation process.
Accompanying drawing explanation
Fig. 1 is sectional view of the present invention;
Fig. 2 is the structural representation of cylinder of the present invention;
Fig. 3 is one of view after the present invention removes enclosing cover when air inlet;
Fig. 4 is the view two after the present invention removes enclosing cover when air inlet.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
As shown in the figure, side direction ball commutation pneumatic pump, the piston 2 comprising cylinder 1 and be arranged in cylinder 1, piston 2 is fixedly installed piston rod 21, piston rod 21 sealing passes cylinder 1, piston 2 and cylinder 1 seal and are slidably matched, cylinder 1 is wholely set two lugs 11 symmetrical along cylinder longitudinal center line left and right, lug 11 is fixedly installed enclosing cover 3, enclosing cover 3 on the left of being wherein positioned at is provided with air inlet nozzle 31, enclosing cover 3 on the right side of being positioned at is provided with exhaust nozzle 32, linkage type gas changement is provided with between the casing wall of enclosing cover 3 and cylinder 1, left, right two linkage type gas changements are symmetrical along cylinder longitudinal center line, the linkage type gas changement being positioned at left side comprises commutation connecting rod 4 and the upper ball 5 be arranged on the casing wall of cylinder 1 and lower ball 6, upper ball 5 and lower ball 6 lay respectively at the both sides up and down of piston 2, air flue 33 of ventilating is provided with between the casing wall of enclosing cover 3 and cylinder 1, ventilation air flue 33 is connected with air inlet nozzle 31, commutation connecting rod 4 is positioned at ventilation air flue 33, upper end and the upper ball 5 of commutation connecting rod 4 are hinged, lower end and the lower ball 6 of commutation connection 4 are hinged, air flue 12 is respectively arranged with in upper ball 5 and lower ball 6, air flue in air flue in upper ball 5 and lower ball 6 is symmetrical along cylinder radial centre lines, upper ball 5 and lower ball 6 are fixedly installed baffle plate 7 respectively on the side of piston 2, baffle plate 7 is coated with buffer layer (not shown), baffle plate 7 is positioned at same by the straight line of the centre of sphere with the articulating point of commutation connecting rod 4, the air flue 12 be positioned on same ball is 38 ° with the angle α of baffle plate 7, air flue 12 can ventilation angle β be 60 °, the structure being positioned at the linkage type gas changement on right side is identical with the structure of the linkage type gas changement being positioned at left side, the direction being positioned at upper ball 5 air flue in left side is identical with the direction of upper ball 8 air flue being positioned at right side, the direction being positioned at lower ball 6 air flue in left side is identical with the direction of lower ball 9 air flue being positioned at right side, the both sides up and down of piston 2 have been wholely set flange 22 respectively, the both sides up and down of piston 2 are fixedly installed spring 23 respectively.
In above-described embodiment, the air flue 12 be positioned on same ball can be selected the scope of 10 ~ 39.8 ° according to actual needs with the angle α of baffle plate 7, can selecting in the scope of 20 ~ 75 ° according to actual needs by ventilation angle β class of air flue 12.
The working procedure of this pneumatic pump is: when pneumatic pump is started working, the upper ball 5 in setting left side and the lower ball 9 on right side are in aeration status, the lower ball 6 in left side and the upper ball 8 on right side are in closed state, pressurized gas enters ventilation air flue 33 from air inlet nozzle 31, and enter cylinder 1 from the upper ball 5 in left side, promote piston 2 to move down, pressurized gas simultaneously in cylinder is discharged from the lower ball 9 being positioned at right side through exhaust nozzle 32, flange 22 on the downside of piston 2 encounters lower ball 6, during baffle plate 7 on 9, promote lower ball 6, 9 rotate, and drive upper ball 5 by commutation connecting rod 4, 8 rotate, now the lower ball 6 in left side and the upper ball 8 on right side are in aeration status, the upper ball 5 in left side and the lower ball 9 on right side are in closed state, pressurized gas enters cylinder 1 from the lower ball 6 in left side, promote piston 2 to move up, pressurized gas simultaneously in cylinder is discharged from the upper ball 8 on right side through exhaust nozzle 32, flange 22 on the upside of piston 2 encounters upper ball 5, during baffle plate 7 on 8, ball 5 in promotion, 8 rotate, and drive lower ball 6 by commutation connecting rod 4, 9 rotate, repetitive cycling like this, realize the outputting reciprocating linear movement of piston rod 21.
Claims (4)
1. side direction ball commutation pneumatic pump, comprise cylinder and be arranged on the piston in described cylinder, described piston is fixedly installed piston rod, described rod seal passes described cylinder, described piston and described cylinder seal are slidably matched, it is characterized in that described cylinder is wholely set two lugs symmetrical along cylinder longitudinal center line left and right, described lug is fixedly installed enclosing cover, outer the covering wherein being positioned at left side is provided with air inlet nozzle, outer the covering being positioned at right side is provided with exhaust nozzle, linkage type gas changement is provided with between described enclosing cover and described cylinder casing wall, left, right linkage type gas changement described in two is symmetrical along described cylinder longitudinal center line.
2. side direction ball commutation pneumatic pump as claimed in claim 1, the linkage type gas changement that it is characterized in that being positioned at left side comprises commutation connecting rod and the upper ball be arranged on described cylinder casing wall and lower ball, described upper ball and lower ball lay respectively at the both sides up and down of described piston, ventilation air flue is provided with between described enclosing cover and described cylinder casing wall, the ventilation air flue in left side is connected with described air inlet nozzle, described commutation connecting rod is positioned at described ventilation air flue, upper end and the described upper ball of described commutation connecting rod are hinged, lower end and the described lower ball of described commutation connecting rod are hinged, air flue is respectively arranged with in described upper ball and described lower ball, air flue in air flue in described upper ball and described lower ball is symmetrical along cylinder radial centre lines, described upper ball and described lower ball are fixedly installed baffle plate respectively on the side of piston, described baffle plate is positioned at same by the straight line of the centre of sphere with the articulating point of commutation connecting rod, the angle being positioned at air flue on same ball and baffle plate is 10 ~ 39.8 °, described air flue can ventilation angle be 20 ~ 75 °, the structure being positioned at the linkage type gas changement on right side is identical with the structure of the linkage type gas changement being positioned at left side, the ventilation air flue on right side is connected with described exhaust nozzle, the direction being positioned at the upper ball air flue in left side is identical with the direction of the upper ball air flue being positioned at right side, the direction being positioned at the lower ball air flue in left side is identical with the direction of the lower ball air flue being positioned at right side, the both sides up and down of described piston have been wholely set flange respectively.
3. side direction ball commutation pneumatic pump as claimed in claim 2, is characterized in that described baffle plate is coated with buffer layer.
4. side direction ball commutation pneumatic pump as claimed in claim 1, is characterized in that the both sides up and down of described piston are fixedly installed spring respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310128808.3A CN103233875B (en) | 2013-04-12 | 2013-04-12 | Side direction ball commutation pneumatic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310128808.3A CN103233875B (en) | 2013-04-12 | 2013-04-12 | Side direction ball commutation pneumatic pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103233875A CN103233875A (en) | 2013-08-07 |
| CN103233875B true CN103233875B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310128808.3A Expired - Fee Related CN103233875B (en) | 2013-04-12 | 2013-04-12 | Side direction ball commutation pneumatic pump |
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| Country | Link |
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| CN (1) | CN103233875B (en) |
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| CN105179359A (en) * | 2015-08-10 | 2015-12-23 | 王及忠 | Cylinder for coating machine |
| CN111005854A (en) * | 2019-12-26 | 2020-04-14 | 宁波文泽机电技术开发有限公司 | Air compressor |
| CN111120256B (en) * | 2019-12-26 | 2023-04-28 | 盐城市建龙机电设备制造有限公司 | Air compressor |
| CN110821781A (en) * | 2019-12-26 | 2020-02-21 | 宁波文泽机电技术开发有限公司 | Hydraulic air compressor |
| CN111022279B (en) * | 2019-12-26 | 2023-06-13 | 山东金鹏石化设备有限公司 | Reciprocating plunger pump |
| CN111022280B (en) * | 2019-12-26 | 2023-10-20 | 台州市飞奔机械制造有限公司 | High-pressure water pump |
| CN111075683B (en) * | 2019-12-30 | 2023-10-31 | 山东京喜信息科技有限公司 | Reciprocating plunger pump |
| CN111075686A (en) * | 2019-12-30 | 2020-04-28 | 宁波文泽机电技术开发有限公司 | Air compressor |
| CN111075685A (en) * | 2019-12-30 | 2020-04-28 | 黄洪刚 | Compact air compressor |
| CN110894830A (en) * | 2019-12-30 | 2020-03-20 | 宁波文泽机电技术开发有限公司 | Booster water pump |
| CN111271338B (en) * | 2020-02-22 | 2023-10-31 | 山东金利液压科技有限公司 | Cylinder and filling mechanism of rear-loading garbage truck |
| CN111425476B (en) * | 2020-03-29 | 2022-11-22 | 龙岩市山力工程液压有限公司 | Hydraulic cylinder |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2224787A (en) * | 1988-10-28 | 1990-05-16 | Nike Ab | Hydraulic pump driven by a compressed air piston motor |
| CN201053379Y (en) * | 2007-06-15 | 2008-04-30 | 上海神开石油化工装备股份有限公司 | Piston type pneumatic pump |
| CN101799000A (en) * | 2010-03-15 | 2010-08-11 | 浙江大学 | Pneumatic pump reversed by using screw rod |
| CN202579075U (en) * | 2012-03-23 | 2012-12-05 | 宁波大学 | Pneumatic pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60198381A (en) * | 1984-03-22 | 1985-10-07 | Daikin Mfg Co Ltd | Air pump |
-
2013
- 2013-04-12 CN CN201310128808.3A patent/CN103233875B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2224787A (en) * | 1988-10-28 | 1990-05-16 | Nike Ab | Hydraulic pump driven by a compressed air piston motor |
| CN201053379Y (en) * | 2007-06-15 | 2008-04-30 | 上海神开石油化工装备股份有限公司 | Piston type pneumatic pump |
| CN101799000A (en) * | 2010-03-15 | 2010-08-11 | 浙江大学 | Pneumatic pump reversed by using screw rod |
| CN202579075U (en) * | 2012-03-23 | 2012-12-05 | 宁波大学 | Pneumatic pump |
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| CN103233875A (en) | 2013-08-07 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 |
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| CF01 | Termination of patent right due to non-payment of annual fee |