CN103486107B - Luck one cylinder - Google Patents
Luck one cylinder Download PDFInfo
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- CN103486107B CN103486107B CN201310447662.9A CN201310447662A CN103486107B CN 103486107 B CN103486107 B CN 103486107B CN 201310447662 A CN201310447662 A CN 201310447662A CN 103486107 B CN103486107 B CN 103486107B
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- cylinder body
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- nut
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Abstract
The invention provides luck one cylinder, comprise cylinder body, piston, piston rod, piston is placed in inner chamber of cylinder block, piston rod one end is connected on piston, also comprise manual rotary devices and height indicateing arm, piston rod and piston can relative slidings within the specific limits, the piston rod the other end is screw rod, screw rod is provided with integrated type nut, nut is connected with cylinder body top and can relatively rotates, nut top is provided with manual rotary devices, manual rotary devices is provided with height indicateing arm, cylinder body is provided with two ventilating holes, lay respectively at top and the bottom in the movable chamber of cylinder body inner carrier.Luck one cylinder of the present invention, trapezoidal nut is that integrated type enhances the intensity of nut and reduces nut volume.Cylinder can carry out total travel operation, achieves lightweight and the ease for operation of equipment.And arrange ball as limit stoper between piston and piston rod, when can prevent manual, piston rod be with the phenomenon of nut rotation, the action of manual operating device when can prevent pneumatic again.
Description
Technical field
The present invention relates to a kind of cylinder, particularly the gas-operated integrated cylinder of a kind of hand, belongs to cylinder field.
Background technique
In production practices, need the pneumatic execution relevant action of cylinder, but sometimes also need manually-operable cylinder to perform relevant action, therefore need the cylinder that a kind of hand is gas-operated integrated.
In existing luck one cylinder, nut portion is divided into two, when hand-operating device, the corresponding device of nut is merged, turn nut just can produce axial displacement, promote piston and open or throttle down, but nut is divided into two and causes its intensity to reduce, therefore require that nut will to thick and long future development to improve its intensity, therefore cause equipment heavy, when valve needs comparatively great closedown, this problem is especially outstanding.
In the luck one cylinder had, owing to lacking limit stoper between piston and piston rod, when making manually-operable, there is the situation that piston rod rotates with nut, cause piston rod cannot effective upstream or downstream.
In view of this special proposition the present invention.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, provides a kind of luck one cylinder, can distinguish pneumatic operation and manually run, realizing lightweight and the ease for operation of equipment.
For solving the problems of the technologies described above, the present invention adopts the basic conception of technological scheme to be:
Luck one cylinder, comprise cylinder body, piston, piston rod, manual rotary devices, piston is placed in inner chamber of cylinder block, piston rod one end is connected on piston, cylinder body is formed by connecting by upper cylinder body and lower cylinder body, lower cylinder body is U-shaped, and there is cavity inside, is also provided with the bottom that ventilating hole is communicated with cavity bottom lower cylinder body; Upper cylinder body is inverted T shape, upper cylinder body overlays lower cylinder body upper end, the extension limit on lower cylinder body top and the extension limit of lower cylinder body bottom are fixed by screw, the center hole along its axis that upper cylinder body inside is arranged is up big and down small ladder hole, piston rod passes from through hole, and upper cylinder body bottom is provided with the top that ventilating hole is communicated with lower cylinder body internal cavities.Piston is placed in the cavity that upper cylinder body and lower cylinder body enclose.
Piston is cross, top is head rod, upwards open cylinder chamber is provided with in head rod, piston rod one end to be inserted in cylinder chamber and can to slide axially along piston rod within the specific limits, head rod upper end is provided with and piston rod is not come off the limit stoper of cylinder chamber, is provided with limited piston bar and piston limit stoper in relative rotation between piston rod and the wall of cylinder chamber; The bottom of piston is the second connecting rod, and the second connecting rod passes from the center hole bottom lower cylinder body.
The piston rod the other end is screw rod and penetrates the center hole of upper cylinder body, screw rod is provided with integrated type nut, and nut is connected with upper cylinder body top and can relatively rotates, and manual rotary devices is fixed on nut.
The head rod of piston penetrates upper cylinder body center hole and the diameter compatible of its external diameter and upper cylinder body center hole closes.
Time manual, rotary manual whirligig makes nut rotation, thus makes the action of piston rod upstream or downstream, and when piston rod opposing pistons slides into limit position, drive piston stroking upward or descending, piston lower portion drives other device actions.
Time pneumatic, piston rod is risen to certain altitude by first rotation manual whirligig, and with height indicateing arm indicated altitude, stop operating after arriving needed height manual rotary devices, and the situation of pressing or drawing piston rod can not occur when making piston up and down in ensuing pneumatic operation.
The descent of piston when the ventilating hole air inlet being positioned at upper cylinder body, the ventilating hole that is positioned at lower cylinder body are given vent to anger, piston lower portion drives other device actions, the piston stroking upward when the ventilating hole air inlet being positioned at lower cylinder body, the ventilating hole that is positioned at upper cylinder body are given vent to anger, piston lower portion drives other device actions.Due to can relative sliding within the specific limits between piston rod and piston, therefore when pneumatic, piston action drive piston rod action, can not drive end nut and manual rotary devices action on piston rod yet.
After adopting technique scheme, the present invention compared with prior art has following beneficial effect.
Luck one cylinder of the present invention, can respectively by manual or pneumatic mode driven plunger action, thus drive other device actions to realize cylinder function.Trapezoidal nut is that integrated type enhances the intensity of nut and reduces nut volume, trapezoidal nut is rotated in the center hole of upper cylinder body by bearing, and ball is set between piston and piston rod as limit stoper, piston and piston rod cannot be relatively rotated, when manual, can piston rod be made to drive piston up-down by rotation hand wheel, when preventing manual, piston rod be with the phenomenon of nut rotation; When pneumatic, the interlock between piston and piston rod can be avoided, thus avoid the action of manual rotary devices, and cylinder can carry out total travel operation, realize lightweight and the ease for operation of equipment.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 be luck of the present invention one cylinder partly cut open structural representation.
Fig. 2 is the partial cutaway schematic of piston.
Fig. 3 is the partial sectional view of piston rod.
1. lower seal, 2. piston, 3. sealing gasket, 4. plug screw, 5. screw, 6. bullet pad, 7. upper cylinder body, 8. piston rod, 9. jackscrew, 10. screw, 11. pressure pads, 12. height indicateing arms, 13. handwheels, 14. gland nuts, 15. trapezoidal nuts, 16. bearings, 17. pads, seal ring on 18., 19. balls, 20. piston packings, 21. lower cylinder bodies, 211. head rods, 212. second connecting rods, 213. cylinder chamber, 214. half grooves, 81. cylinders, 82. holes, A. ventilating hole, B. ventilating hole.
Embodiment
As shown in Figure 1, luck one cylinder, comprises cylinder body, piston, piston rod, manual rotary devices and height indicateing arm.
As shown in Figure 2, piston 2 is cross, comprises the head rod on top, the second connecting rod of bottom and intermediate portion.Top is the head rod 211 of cylindricality, and head rod 211 is provided with the upwards open cylinder chamber 213 along its axis, piston 2 bottom is the second connecting rod 212.
Cylinder body is made up of upper cylinder body 7 and lower cylinder body 21, lower cylinder body 21 is U-shaped, there is cavity inside, has the center hole that the second connecting rod 212 for cross piston 2 bottom slides up and down, be also provided with the bottom that ventilating hole B is communicated with the cavity of lower cylinder body 21 inside bottom lower cylinder body 21 in the middle of bottom lower cylinder body 21.
Upper cylinder body 7 is in inverted T shape, upper cylinder body 7 overlays lower cylinder body 21 upper end, the extension limit on lower cylinder body 21 top and the extension limit of lower cylinder body 7 bottom are fixed by screw 5 and bullet pad 6 and are sealed by sealing gasket 3, there is the center hole axially arranged along it upper cylinder body 7 inside, the center hole of upper cylinder body is the ladder hole of three up big and down small steps, piston rod 8 passes from through hole, and upper cylinder body 7 bottom is provided with the top that ventilating hole A is communicated with the inner chamber of lower cylinder body 21.
The cavity that the bottom surface of upper cylinder body 7 and lower cylinder body 21 enclose is the movable chamber that piston does work, i.e. the movable chamber of piston.
Piston 2 is placed in the chamber that upper cylinder body 7 encloses with lower cylinder body 21, the head rod 211 on its top is connected with piston rod 8 lower removable, pass the center hole of the second connecting rod 212 centre bottom lower cylinder body 21 of its underpart and connect other devices, at the second connecting rod 212 of piston 2 bottom, the center hole cooperation place bottom lower cylinder body 21 is provided with lower seal 1.
The inwall cooperation place of piston 2 intermediate portion and lower cylinder body 21 is provided with piston packing 20.The lower end surface of piston 2 intermediate portion is that edge is high, the ladder surface that center is low, and the ventilating hole B of lower cylinder body is positioned at the below of the edge, lower end surface of piston intermediate portion.When the intermediate portion of piston 2 drops to bottom the movable chamber of piston, the corner impact that piston intermediate portion can not be formed with the sidewall in the movable chamber of piston and base, and during ventilating hole B air inlet, owing to there being a reserved space between the lower end surface of piston 2 intermediate portion and lower cylinder body, thus gas piston can not be made to occur when entering cylinder prominent dynamic.
Upper cylinder body bottom surface is also ladder surface, when upper cylinder body is in assembling condition, comparatively edge is low in its intermediate portion, bottom surface, when the intermediate portion of piston 2 rises to piston activity top of chamber, and the corner impact that piston intermediate portion can not be formed with the sidewall of lower cylinder body and limit, upper cylinder body bottom surface.And after upper cylinder body assembling, have living space between the upper-end surface of the edge section of its bottom surface and the intermediate portion of piston 2, ventilating hole A is positioned at herein.The same, when ventilating hole A air inlet, owing to there being a reserved space between the upper-end surface of piston 2 intermediate portion and upper cylinder body, therefore gas piston can not be made to occur when entering cylinder prominent dynamic.
As shown in Figure 1,3, piston rod 8 is up-thin-low-thick stepped stem, the largest diameter of cylinder 81 bottom, in the cylinder chamber 213 that piston rod 8 bottom is inserted in piston 2 top head rod and can relative sliding, cylinder chamber 213 top of the head rod of piston 2 is provided with plug screw 4 as limit stoper, plug screw 4 is threaded in cylinder chamber 213 upper end, and the internal diameter of plug screw 4 is less than the diameter of piston rod 8 cylinder 81 bottom thus be limited in the lower end of piston rod 8 in cylinder chamber 213 and can not slippage.
Wall and the piston rod 8 of the cylinder chamber 213 of the head rod on piston 2 top are provided with limit stoper between cylinder 81 bottom, in the present embodiment, adopt ball 19 as limit stoper.
The outer cylinder of piston rod 8 cylinder 81 bottom is evenly provided with multiple hole 82, is placed with ball 19 in hole 82, the wall of corresponding cylinder chamber is provided with half groove of many above-below directions.
As shown in Figure 1, 2, in the present embodiment, the hole on cylinder 81 has 4, is placed with 1 ball in each hole, the wall of corresponding cylinder chamber is provided with half groove 214 of 4 above-below directions.
The setting of ball 19 and half groove 214, make can either be relative between piston rod 8 and piston 2 slide up and down, can not relatively rotate again, play limited piston bar 8 and act in relative rotation with piston 2.
The head rod 211 on piston 2 top and piston rod 8 are inserted in the center hole of upper cylinder body 7, and the diameter compatible in head rod external diameter and upper cylinder body center hole hole bottom closes.Seal ring 18 is provided with between head rod 211 and upper cylinder body 7 center hole.Center hole due to upper cylinder body is the ladder hole of three up big and down small steps, therefore head rod 211 coordinates with hole wall bottom, and without rubbing between other center hole walls, thus can tightness be ensured, the working life of cylinder heating and raising cylinder can be reduced again, and do not reduce the intensity of cylinder wall.
Piston rod 8 top is screw rod, screw rod is provided with all-in-one-piece trapezoidal nut 15, and trapezoidal nut 15 to be arranged in upper cylinder body 7 shoulder hole topmost by bearing 16 and to be fixed by gland nut 14.Pad 17 is provided with between trapezoidal nut 15 bottom and the step of shoulder hole.
When row is to extreme higher position on the piston 2, between the top on trapezoidal nut 15 bottom and piston 2 top and head rod top, still there is gap, can not touches both when ensureing that cylinder runs.
Trapezoidal nut 15 top exceeds upper cylinder body 7.Manual rotary devices is fixed on by jackscrew 9 outer side surface that trapezoidal nut exceeds the position of upper cylinder body 7.Choose handwheel 13 in the present embodiment as manual rotary devices, rocking handle also can be adopted in other embodiments as manual rotary devices.
Height indicateing arm 12 is fixed with by screw 10 and pressure pad 11, the height that height indicateing arm 12 rises in order to indicator piston bar above manual rotary devices.
In other embodiments, height indicateing arm is engraved on piston rod, and visual when walking to a certain degree on the piston rod, make the action of piston rod upstream or downstream by rotary manual whirligig, and pass through the suitable stroke of height indicateing arm determination piston rod upstream or downstream.
Time manual, ventilating hole A and B all cancels ventilation, rotation hand wheel 13 makes trapezoidal nut 15 rotate, because trapezoidal nut 15 is rotated in the hole of upper cylinder body 7 by bearing 16, the ball 19 of scroll-up/down in half groove 214 is provided with between piston 2 and piston rod 8, due to the resistance of ball 19 between groove and hole, piston rod 8 can not be followed trapezoidal nut 15 and be rotated together, therefore the piston rod 8 upstream or downstream action when rotation hand wheel 13, when piston rod 8 opposing pistons 2 slides into limit position, drive piston 2 upstream or downstream, piston 2 bottom drives other device actions.
Time pneumatic, first rotate handwheel 13 and piston rod 8 is risen to certain altitude, and by height indicateing arm 12 indicated altitude, stop operating after arriving needed height handwheel, thus the situation of pressing or drawing piston rod 8 can not occur when ensureing that piston 2 is up and down when pneumatic.
Because ventilating hole A is communicated with the top in the movable chamber of piston, when being positioned at the ventilating hole A air inlet of upper cylinder body 7, ventilating hole B when giving vent to anger piston 2 descending, piston 2 bottom drives other device actions; Because ventilating hole B is communicated with the bottom in the movable chamber of piston, when being positioned at the ventilating hole B air inlet of lower cylinder body 21, ventilating hole A when giving vent to anger piston 2 up, piston 2 bottom drives other device actions.Because both piston rod 8 and piston 2 can relative slidings within the specific limits, therefore when pneumatic, piston 2 action does not drive piston rod 8 action, and the trapezoidal nut 15 of piston rod upper end and handwheel 13 also can not be driven to rotate.Because plug screw about 4 all leaves one section of idle stroke, when can ensure pneumatic, cylinder can total travel operation.
After adopting technique scheme, the present invention compared with prior art has following beneficial effect.
Luck one cylinder of the present invention, can respectively by manual or pneumatic mode driven plunger action, thus drive other device actions to realize cylinder function.Trapezoidal nut is that integrated type enhances the intensity of nut and reduces nut volume, trapezoidal nut is rotated in the center hole of upper cylinder body by bearing, and ball is set between piston and piston rod as limit stoper, piston and piston rod cannot be relatively rotated, when manual, can piston rod be made to drive piston up-down by rotation hand wheel, when preventing manual, piston rod be with the phenomenon of nut rotation; When pneumatic, the interlock between piston and piston rod can be avoided, thus avoid the action of manual rotary devices, and cylinder can carry out total travel operation, realize lightweight and the ease for operation of equipment.
Embodiment in above-described embodiment can combine further or replace; and embodiment is described the preferred embodiments of the present invention; not the spirit and scope of the present invention are limited; under the prerequisite not departing from design philosophy of the present invention; the various changes and modifications that in related domain, professional and technical personnel makes technological scheme of the present invention, all belong to protection scope of the present invention.
Claims (10)
1. luck one cylinder, comprises the cylinder body, piston, piston rod, the manual rotary devices that are formed by connecting by upper cylinder body and lower cylinder body, and piston is arranged in the chamber that upper cylinder body and lower cylinder body enclose, and it is characterized in that:
Piston is cross, top is head rod, upwards open cylinder chamber is provided with in head rod, piston rod is up-thin-low-thick stepped stem, and piston-rod lower end to be inserted in cylinder chamber and can to slide axially along piston rod, and cylinder chamber upper end-hole is provided with plug screw piston rod being played to position-limiting action, porose on the cylinder of piston rod cylinder bottom, be provided with ball in hole, the wall of cylinder chamber is provided with the groove of above-below direction, ball rolls in groove;
Piston rod upper end is screw rod and penetrates the center hole of upper cylinder body, and the center hole of upper cylinder body is up big and down small shoulder hole, screw rod is provided with integrated type nut, and nut is connected with upper cylinder body top and can relatively rotates, and manual rotary devices is fixed on nut,
The head rod of piston penetrates upper cylinder body center hole, and the diameter compatible in its external diameter and upper cylinder body center hole hole bottom closes, and the bottom of piston is the second connecting rod, and the second connecting rod passes from the center hole bottom lower cylinder body;
Cylinder body is provided with two ventilating holes, lays respectively at top and the bottom in the movable chamber of cylinder body inner carrier.
2. luck one cylinder according to claim 1, it is characterized in that: the cylinder of piston rod cylinder bottom is evenly provided with 4 holes, be placed with ball in hole, corresponding half groove being provided with 4 above-below directions on the wall of cylinder chamber, ball rolls in half groove.
3. luck one cylinder according to claim 1 and 2, is characterized in that: the internal diameter of plug screw is less than piston rod body diameter bottom.
4. luck one cylinder according to claim 1 and 2, it is characterized in that: lower cylinder body is U-shaped, there is cavity inside, is also provided with the bottom that ventilating hole is communicated with cavity bottom lower cylinder body;
Upper cylinder body is inverted T shape, upper cylinder body overlays lower cylinder body upper end, the extension limit on lower cylinder body top and the extension limit of lower cylinder body bottom are fixed by screw, the bottom surface of upper cylinder body is the ladder surface that edge is high, center is low, the center hole along its axis that upper cylinder body inside is arranged is through hole, piston rod penetrates in through hole, and upper cylinder body bottom is provided with ventilating hole and is communicated with lower cylinder body internal cavities.
5. luck one cylinder according to claim 1, it is characterized in that: the lower end surface of piston intermediate portion is that edge is high, the ladder surface that center is low, the ventilating hole of lower cylinder body is positioned at the below of the edge, lower end surface of piston intermediate portion.
6. luck one cylinder according to claim 1, is characterized in that: the center hole of upper cylinder body is the ladder hole of three up big and down small steps.
7. luck one cylinder according to claim 6, it is characterized in that: the nut that screw rod is arranged is trapezoidal nut, trapezoidal nut to be arranged in upper cylinder body ladder hole topmost by bearing and to be fixed by gland nut, and trapezoidal nut top exceeds upper cylinder body.
8. luck one cylinder according to claim 7, is characterized in that: manual rotary devices is fixed on trapezoidal nut by jackscrew and exceeds on the position of upper cylinder body.
9. luck according to claim 8 one cylinder, is characterized in that: manual rotary devices is any one of handwheel or rocking handle.
10. luck one cylinder according to claim 1, it is characterized in that: also comprise height indicateing arm, height indicateing arm is fixed by screws in manual rotary devices top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310447662.9A CN103486107B (en) | 2013-09-26 | 2013-09-26 | Luck one cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310447662.9A CN103486107B (en) | 2013-09-26 | 2013-09-26 | Luck one cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN103486107A CN103486107A (en) | 2014-01-01 |
| CN103486107B true CN103486107B (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310447662.9A Active CN103486107B (en) | 2013-09-26 | 2013-09-26 | Luck one cylinder |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105952957B (en) * | 2016-05-18 | 2019-01-18 | 北京航天雷特机电工程有限公司 | A kind of hydraulic handwheel of valve rising stem type |
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| CN102818055A (en) * | 2012-09-11 | 2012-12-12 | 中国人民解放军总后勤部油料研究所 | Automatic block valve |
| CN203162223U (en) * | 2013-04-17 | 2013-08-28 | 成都市龙成机电设备有限公司 | Self-operated hydraulic three-way valve of isolation system of high pressure heater |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8851108B2 (en) * | 2010-03-31 | 2014-10-07 | Safoco, Inc. | Safety valve and method of use |
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2013
- 2013-09-26 CN CN201310447662.9A patent/CN103486107B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201496338U (en) * | 2009-07-30 | 2010-06-02 | 周位刚 | Adjustable buffer type mini cylinder |
| CN201531482U (en) * | 2009-10-31 | 2010-07-21 | 温州市康赛特自动控制阀门有限公司 | Shift fork type pneumatic actuator |
| RU2418221C2 (en) * | 2010-02-25 | 2011-05-10 | Рафик Хасанович Арифулин | Valve with duplicating drive |
| CN201671903U (en) * | 2010-05-07 | 2010-12-15 | 宁波市爱托普气动液压有限公司 | Transverse adjusting oil cylinder |
| CN101915315A (en) * | 2010-07-06 | 2010-12-15 | 浙江精嘉阀门有限公司 | Hand-operated emergency cut-off valve for self-operated pneumatic tape |
| CN201747690U (en) * | 2010-09-21 | 2011-02-16 | 哈尔滨通用液压机械制造有限公司 | Cylinder with manual emergency operation mechanism |
| CN102818055A (en) * | 2012-09-11 | 2012-12-12 | 中国人民解放军总后勤部油料研究所 | Automatic block valve |
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| CN103486107A (en) | 2014-01-01 |
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