CN1467402A - Pneumatic transfusing device - Google Patents
Pneumatic transfusing device Download PDFInfo
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- CN1467402A CN1467402A CNA031007783A CN03100778A CN1467402A CN 1467402 A CN1467402 A CN 1467402A CN A031007783 A CNA031007783 A CN A031007783A CN 03100778 A CN03100778 A CN 03100778A CN 1467402 A CN1467402 A CN 1467402A
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Abstract
The invention relates to a air-actuated charging device comprising a cylinder and directional selecting valve, wherein the cylinder includes a cylinder housing and a reciprocating piston with a piston rod, the directional selecting valve also includes a reversing valve chest and spool, one end of the reversing valve chest connects with the cylinder housing, the effective operating area of the spool end in the tail chamber of the directional selecting valve is larger than the operating area of the other end. The invention realizes a charging device with simple arrangement small volume, and easy fabrication process.
Description
Technical field
The present invention relates to a kind of pneumatic type charging point, particularly a kind of pneumatic type charging point that is used for grease up or liquid.
Background technique
The name that I have applied for is called " automobile-used pneumatic lubricating grease force-filling device ", the patent No. is that the Chinese patent of 95243010.X discloses a kind of charging point, it comprises the cylinder in control valve, selector valve and the control valve, by compressed-air actuated enter to make about change-over valve core by control valve commutate, thereby the piston move left and right in the control cylinder is annotated lubricating grease or liquid continuously.This charging point has two air valves, and complex structure, volume are bigger, and difficulty of processing is big.
Summary of the invention
The object of the present invention is to provide a kind of simple in structurely, volume is less, is convenient to the pneumatic type charging point of manufacturing.
For achieving the above object, pneumatic type charging point of the present invention, comprise cylinder and selector valve, described cylinder comprises the piston of cylinder shell reciprocating side band piston rod with being subjected to described selector valve control, described selector valve comprises selector valve housing and spool, one end of described selector valve housing is connected with described cylinder shell, have on the wall between described selector valve housing inner chamber and the described cylinder shell inner chamber and can make described spool extend into the interior through hole of cylinder shell, effective work area of the end of described spool in described selector valve tail chamber is greater than effective work area of its other end, described selector valve tail chamber communicates with the vent that is used to control the commutation of described spool on being arranged on described cylinder shell sidewall, the to-and-fro motion commutation under the synergy of the gas at its two ends and described piston of described spool.
Pneumatic type charging point of the present invention, wherein said spool comprises valve rod and reversing piston.
Pneumatic type charging point of the present invention, wherein said selector valve housing and the corresponding inner chamber of described reversing piston are equipped with lining, and itself and the corresponding inner chamber of described valve rod are equipped with lining, and seal ring is equipped with at the external cylindrical surface place of described lining.
Pneumatic type charging point of the present invention, on the wherein said reversing piston seal ring is housed, described selector valve housing and the corresponding inner chamber of described valve rod are equipped with lining, described lining is to be connected in series along its length by several spacer joints to form, between adjacent two spacers joint and the outer end that is positioned at the spacer joint at two ends seal ring all is housed, the inside and outside circle of described seal ring matches with described valve rod and selector valve housing respectively.
Pneumatic type charging point of the present invention is equipped with seal ring on the wherein said reversing piston, on the described valve rod seal ring is housed.
Pneumatic type charging point of the present invention, wherein said selector valve are switch valve with two-position and five-pass, two-position four way change valve or two position three way directional control valve, and described selector valve housing has the valve through hole on the chamber wall of described reversing piston of correspondence and described valve rod touching position; When being two position three way directional control valve, among two chambers that form separating described cylinder shell inner chamber by described piston, wherein have the chamber wall of piston rod have the cylinder through hole and and described piston between Returnning spring is housed, another chamber communicates with the feeding work air flue of described selector valve housing inner chamber.
Pneumatic type charging point of the present invention is that selector valve cooperates the operation of carrying out grease up or liquid with cylinder owing to have only an air valve, makes the structure of charging point become very simple, and volume also diminishes, and manufacturing easily.
Description of drawings
Fig. 1 is first an embodiment's of the present invention schematic representation;
Fig. 2 is second an embodiment's of the present invention schematic representation;
Fig. 3 is the 3rd an embodiment's of the present invention schematic representation;
Fig. 4 is the 4th an embodiment's of the present invention schematic representation.
Embodiment
Below in conjunction with drawings and Examples in detail the present invention is described in detail.
First embodiment's shown in Figure 1 pneumatic type charging point comprises cylinder and selector valve, and cylinder comprises the piston 14 of cylinder shell 7 reciprocating side band piston rod 15 with being subjected to selector valve control, and cylinder shell 7 comprises cylinder body 20, cylinder cap 11 and cylinder cap 17.Selector valve comprises and has suction port 1, relief opening 2,3 selector valve housing 10 and spool 21, the work air flue of selector valve housing 10 inner chambers communicates with cylinder shell 7 inner chambers, selector valve housing 10 comprises valve body 31 and valve gap 30, one end of selector valve housing 10 is connected with cylinder shell 7, have on the wall between selector valve housing 10 inner chambers and cylinder shell 7 inner chambers and can make spool 21 extend into the interior through hole 8 of cylinder shell, spool 21 is the effective work area of effective work area of the end in the selector valve tail chamber 9 greater than its other end at the afterbody chamber of selector valve, selector valve tail chamber 9 communicates with the vent 32 that is used to control spool 21 commutation on being arranged on cylinder shell 7 sidewalls, spool 21 is the to-and-fro motion commutation under the synergy of the gas at its two ends and piston 14, spool 21 comprises reversing piston 12 and valve rod 13, and spool 21 can be that a part is that reversing piston 12 and valve rod 13 can be made of one.In addition, selector valve can also be placed on other position, as places parallel position of cylinder right side shown in Figure 1 and piston rod 15 or the like.
The selector valve of pneumatic type charging point shown in Figure 1 is the switch valve with two-position and five-pass of clearance seal form, shown in the working procedure of pneumatic type charging point be: pressurized air enters the selector valve inner chamber from suction port 1, work air flue 5 enters cylinder inner cavity through resetting, promoting piston 14 moves to left, and the gas that has been compressed in the cylinder enters the selector valve inner chamber through feeding work air flue 4, discharge from selector valve relief opening 3, piston 14 moves to left to touching spool 21, and promote spool 21 and move to left and finish switching gas circuit to terminal, at this moment, lubricating grease is drawn into from oil-storing barrel 16 pipeline of placing piston rod 15, suction port 1 communicates with feeding work air flue 4, pressurized air enters cylinder inner cavity promotion piston 14 and moves to right, the gas that has been compressed in the cylinder enters the selector valve inner chamber from the work air flue 5 that resets, discharge from relief opening 2, the lubricating grease in the intake line is pressed into the position that machinery needs.When piston 14 move to right cross the vent 32 that communicates with cylinder shell 7 inner chambers after, pressurized air is by vent 32 and push away valve air flue 6 and enter selector valve tail chamber 9, because effective work area of the end of reversing piston 12 in selector valve tail chamber 9 promotes spool 21 commutations greater than effective work area event pressurized air of the end that valve rod 13 can contact with piston, switching gas circuit once more, finished a circulation this moment, thereby, make piston rod constantly suck lubricating grease and inject the position that machinery needs from oil-storing barrel 16 by 14 to-and-fro motion continuously of spool 21 to-and-fro motion commutation control pistons.
Fig. 2 represents second embodiment of pneumatic type charging point, in this embodiment, its selector valve is the switch valve with two-position and five-pass of elastic packing form, on the reversing piston 12 seal ring is housed, selector valve housing 10 is equipped with lining 19 with valve rod 13 corresponding inner chambers, lining 19 is to be connected in series along its length by several spacer joints 34 to form, between adjacent two spacers joint 34, and seal ring all is equipped with in the outer end that is positioned at the spacer joint 34 at two ends, in the seal ring, cylindrical matches with valve rod 13 and selector valve housing 10 respectively, and selector valve housing 10 has valve through hole 33 on the chamber wall of corresponding reversing piston 12 and valve rod 13 touching positions.Its working procedure is identical with first embodiment.
Fig. 3 represents the 3rd embodiment of pneumatic type charging point, its selector valve is the two-position four way change valve of clearance seal form in this embodiment, described selector valve housing 10 is equipped with lining 22 with reversing piston 12 corresponding inner chambers, itself and valve rod 13 corresponding inner chambers are equipped with lining 19, seal ring is equipped with at the external cylindrical surface place of lining 22 and lining 19, and selector valve housing 10 has valve through hole 33 on the chamber wall of corresponding reversing piston 12 and valve rod 13 touching positions.Its working procedure is still identical with first embodiment, when being exhaust, all discharges from relief opening 2.
Fig. 4 represents the 3rd embodiment of pneumatic type charging point, its selector valve is the two position three way directional control valve of elastic packing form in this embodiment, on the reversing piston 12 of spool 21 He on the valve rod 13 seal ring is housed all, among two chambers that form separating cylinder shell 7 inner chambers by piston 14, wherein have the chamber wall of piston rod 15 have cylinder through hole 25 and and piston 14 between Returnning spring 24 is housed, another chamber communicates with the feeding work air flue 4 of selector valve housing 10 inner chambers, and selector valve housing 10 has valve through hole 33 on the chamber wall of corresponding reversing piston 12 and valve rod 13 touching positions.Its working procedure is: the spring 24 that has been compressed promotes pistons 14 and moves to left, air in the atmosphere enters cylinder from cylinder through hole 25, and the gas that has been compressed in the cylinder enters selector valve from feeding work air flue 4, and from relief opening 2 discharges, piston 14 continues to move to left until promoting differential spool 21 to terminal, gas circuit is switched, lubricating grease was sucked from oil-storing barrel and was equipped with in the pipeline of piston rod 15 this moment, pressurized air is communicated with feeding work air flue 4 from suction port 1, and enter cylinder, force piston 14 to move to right, Returnning spring 24 compressions, when piston 14 move to right cross the vent 32 that communicates with cylinder shell 7 inner chambers after, pressurized air is by vent 32 and push away valve air flue 6 and enter selector valve tail chamber 9, because effective work area of the end of spool 21 in selector valve tail chamber 9 is greater than effective work area of its other end, so pressurized air promotes spool 21 commutations, finished a circulation this moment, because thereby compressed-air actuated entering makes spool about 21 commutations make piston 14 to-and-fro motion continuously with switching gas circuit, constantly suck lubricating grease and inject the position that machinery needs like this from oil-storing barrel.
Pneumatic type charging point of the present invention can exchange in the seal form of the selector valve described in the various embodiments described above.
First three embodiment of pneumatic type charging point of the present invention is not owing to there is the existence of spring, make the present invention have the very long life-span, and embodiment four makes selector valve become compact owing to lacked an air flue, in addition, described selector valve can also be placed on other position, as be arranged among Fig. 4 and locate with the drawn selector valve 35 (partial schematic diagram) of double dot dash line, when the piston (drawn with double dot dash line) of the band conical surface can promote to stretch into spool in the cylinder shell when moving to left.
The present invention not only can be used for adding lubricating grease to machinery, also can add liquid as oil, water, antifreeze liquid etc., also can be used for pumping waste water, waste oil etc.
Be appreciated that the present invention has more than the concrete structure that is limited to the foregoing description, for a person skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also make the changes and improvements of some structures, these also should be considered as protection scope of the present invention.
Claims (9)
1. pneumatic type charging point, comprise cylinder and selector valve, described cylinder comprises cylinder shell (7) and is subjected to the control of described selector valve and the piston (14) of a reciprocating side band piston rod (15), described selector valve comprises selector valve housing (10) and spool (21), it is characterized in that: an end of described selector valve housing (10) is connected with described cylinder shell (7), have on the wall between described selector valve housing (10) inner chamber and described cylinder shell (7) inner chamber and can make described spool (21) extend into the interior through hole (8) of cylinder shell (7), effective work area of the end of described spool (21) in described selector valve tail chamber (9) is greater than effective work area of its other end, described selector valve tail chamber (9) communicates with the vent (32) that is used to control described spool (21) commutation on being arranged on described cylinder shell (7) sidewall, described spool (21) to-and-fro motion commutation under the synergy of the gas at its two ends and described piston (14).
2. pneumatic type charging point as claimed in claim 1 is characterized in that: described spool (21) comprises valve rod (13) and reversing piston (12).
3. pneumatic type charging point as claimed in claim 2, it is characterized in that: described selector valve housing (10) is equipped with lining (22) with the corresponding inner chamber of described reversing piston (12), itself and the corresponding inner chamber of described valve rod (13) are equipped with lining (19), and seal ring is equipped with at the external cylindrical surface place of described lining (22) and lining (19).
4. pneumatic type charging point as claimed in claim 2, it is characterized in that: described reversing piston is equipped with seal ring on (12), described selector valve housing (10) is equipped with lining (19) with the corresponding inner chamber of described valve rod (13), described lining (19) is to be connected in series along its length by several spacer joints (34) to form, between adjacent two spacers joints (34) and the outer end that is positioned at the spacer joint (34) at two ends seal ring all is housed, the inside and outside circle of described seal ring matches with described valve rod (13) and selector valve housing (10) respectively.
5. pneumatic type charging point as claimed in claim 2 is characterized in that: described reversing piston is equipped with seal ring on (12), and described valve rod is equipped with seal ring on (13).
6. pneumatic type charging point as claimed in claim 1 or 2, it is characterized in that: described selector valve is switch valve with two-position and five-pass, two-position four way change valve or two position three way directional control valve, and described selector valve housing (10) has valve through hole (33) on the chamber wall of described reversing piston of correspondence (12) and described valve rod (13) touching position; When being two position three way directional control valve, among two chambers that form separating described cylinder shell (7) inner chamber by described piston (14), wherein have the chamber wall of piston rod (15) have cylinder through hole (25) and and described piston (14) between Returnning spring (24) is housed, another chamber communicates with the feeding work air flue (4) of described selector valve housing (10) inner chamber.
7. pneumatic type charging point as claimed in claim 3, it is characterized in that: described selector valve is switch valve with two-position and five-pass, two-position four way change valve or two position three way directional control valve, and described selector valve housing (10) has valve through hole (33) on the chamber wall of described reversing piston of correspondence (12) and described valve rod (13) touching position; When being two position three way directional control valve, among two chambers that form separating described cylinder shell (7) inner chamber by described piston (14), wherein have the chamber wall of piston rod (15) have cylinder through hole (25) and and described piston (14) between Returnning spring (24) is housed, another chamber communicates with the feeding work air flue (4) of described selector valve housing (10) inner chamber.
8. pneumatic type charging point as claimed in claim 4, it is characterized in that: described selector valve is switch valve with two-position and five-pass, two-position four way change valve or two position three way directional control valve, and described selector valve housing (10) has valve through hole (33) on the chamber wall of described reversing piston of correspondence (12) and described valve rod (13) touching position; When being two position three way directional control valve, among two chambers that form separating described cylinder shell (7) inner chamber by described piston (14), wherein have the chamber wall of piston rod (15) have cylinder through hole (25) and and described piston (14) between Returnning spring (24) is housed, another chamber communicates with the feeding work air flue (4) of described selector valve housing (10) inner chamber.
9. pneumatic type charging point as claimed in claim 5, it is characterized in that: described selector valve is switch valve with two-position and five-pass, two-position four way change valve or two position three way directional control valve, and described selector valve housing (10) has valve through hole (33) on the chamber wall of described reversing piston of correspondence (12) and described valve rod (13) touching position; When being two position three way directional control valve, among two chambers that form separating described cylinder shell (7) inner chamber by described piston (14), wherein have the chamber wall of piston rod (15) have cylinder through hole (25) and and described piston (14) between Returnning spring (24) is housed, another chamber communicates with the feeding work air flue (4) of described selector valve housing (10) inner chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03100778 CN1256533C (en) | 2002-06-13 | 2003-01-20 | Pneumatic transfusing device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02239956 | 2002-06-13 | ||
| CN02239956.9 | 2002-06-13 | ||
| CN 03100778 CN1256533C (en) | 2002-06-13 | 2003-01-20 | Pneumatic transfusing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1467402A true CN1467402A (en) | 2004-01-14 |
| CN1256533C CN1256533C (en) | 2006-05-17 |
Family
ID=34195514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03100778 Expired - Fee Related CN1256533C (en) | 2002-06-13 | 2003-01-20 | Pneumatic transfusing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1256533C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506195A (en) * | 2011-10-14 | 2012-06-20 | 天津陆海石油设备***工程有限责任公司 | Well logging/VMS (volcanic-associated massive sulfide) gas switching valve |
| CN103659452A (en) * | 2013-12-05 | 2014-03-26 | 宁波海天精工股份有限公司 | Intermittent automatic cycle lubricating system |
| CN107339278A (en) * | 2017-08-23 | 2017-11-10 | 南通理工智能制造技术有限公司 | Stroke-controllable automatic reciprocating hydraulic cylinder |
| CN109027652A (en) * | 2018-09-17 | 2018-12-18 | 长兴鸿运织造有限公司 | A kind of lubricating arrangement on Weaving device |
| EP3690301A4 (en) * | 2017-10-25 | 2021-06-09 | Zhengzhou Autol Technology Co., Ltd. | Grease pumping device |
| CN114017652A (en) * | 2021-11-01 | 2022-02-08 | 安徽马钢矿业资源集团南山矿业有限公司 | Controllable barrel-removing method of grease filling machine |
-
2003
- 2003-01-20 CN CN 03100778 patent/CN1256533C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506195A (en) * | 2011-10-14 | 2012-06-20 | 天津陆海石油设备***工程有限责任公司 | Well logging/VMS (volcanic-associated massive sulfide) gas switching valve |
| CN103659452A (en) * | 2013-12-05 | 2014-03-26 | 宁波海天精工股份有限公司 | Intermittent automatic cycle lubricating system |
| CN103659452B (en) * | 2013-12-05 | 2015-12-09 | 宁波海天精工股份有限公司 | A kind of intermittent type automatic circulation lubricating system |
| CN107339278A (en) * | 2017-08-23 | 2017-11-10 | 南通理工智能制造技术有限公司 | Stroke-controllable automatic reciprocating hydraulic cylinder |
| EP3690301A4 (en) * | 2017-10-25 | 2021-06-09 | Zhengzhou Autol Technology Co., Ltd. | Grease pumping device |
| US11560980B2 (en) | 2017-10-25 | 2023-01-24 | Zhengzhou Autol Technology Co., Ltd. | Grease pumping device |
| CN109027652A (en) * | 2018-09-17 | 2018-12-18 | 长兴鸿运织造有限公司 | A kind of lubricating arrangement on Weaving device |
| CN109027652B (en) * | 2018-09-17 | 2024-06-04 | 岳阳祥恒纺织有限公司 | Lubricating arrangement on weaving equipment |
| CN114017652A (en) * | 2021-11-01 | 2022-02-08 | 安徽马钢矿业资源集团南山矿业有限公司 | Controllable barrel-removing method of grease filling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1256533C (en) | 2006-05-17 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060517 Termination date: 20220120 |