CN203584926U - Circulating pressurizing cylinder - Google Patents
Circulating pressurizing cylinder Download PDFInfo
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- CN203584926U CN203584926U CN201320782875.2U CN201320782875U CN203584926U CN 203584926 U CN203584926 U CN 203584926U CN 201320782875 U CN201320782875 U CN 201320782875U CN 203584926 U CN203584926 U CN 203584926U
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- protecgulum
- thimble
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Abstract
The utility model discloses a circulating pressurizing cylinder. The circulating pressurizing cylinder comprises an outer cylinder, an inner cylinder, a piston, a piston rod, and a front cover and a rear cover which are matched and connected with the outer cylinder respectively, wherein the ouinnter cylinder is sleeved with by the outer cylinder; a first cavity is formed between the outer cylinder and the inner cylinder; the front cover is provided with a first air inlet hole communicated with the first cavity; a third cavity is formed between the piston and the rear cover; the end part of the front cover extends and is coaxially provided with a small-diameter cylinder; the piston rod penetrates through the small-diameter cylinder; the small-diameter cylinder is provided with a locking mechanism; the third cavity is internally provided with a switch control mechanism which is matched with the piston. The outinner cylinder is sleeved with by the outer cylinder so that the volume of the circulating pressurizing cylinder is reduced; compressed air enters the first cavity to keep the pressure of the compressed air so as to realize the circular pressurizing effect; when the switch control mechanism is turned on, the compressed air flows into the third cavity to push the piston to move; when the piston works in place, the locking mechanism is used for locking the piston rod. The performance of the circulating pressurizing cylinder is stable.
Description
Technical field
The utility model relates to cylinder technical field, particularly a kind of circularly-supercharged cylinder that is applicable to high-tension apparatus.
Background technique
Cylinder is common pneumatic element, is widely used in all trades and professions.Cylinder is because of use occasion difference, and kind is also thereupon different.The normal transmission of using cylinder realizable force on high-tension apparatus, due to the particularity of high-tension apparatus, therefore piston can be subject to larger pressure when establishing clocking requirement cylinder operation, while making piston rod movement, reach necessary requirement, and when cylinder operation puts in place, need to make piston rod locking.But the existing cylinder for high-tension apparatus is unreasonable because structure arranges, cause it to have following defect: it is larger that structure arranges volume; When cylinder operation puts in place, piston rod locking is firm not; Service behaviour is stable not.
Model utility content
The purpose of this utility model is for the defect of prior art and deficiency, provide a kind of simple and reasonable, easy to operate, small volume, piston rod locking firmly, the circularly-supercharged cylinder of stable performance.
For achieving the above object, the utility model is by the following technical solutions:
The circularly-supercharged cylinder of one described in the utility model, comprise outer shell, inner casing, piston, piston rod and the protecgulum and the bonnet that are connected with outer shell respectively, described inner cylinder liner is located in outer shell, and front end and the protecgulum of described inner casing are sealed and matched, rear end and the bonnet of inner casing are sealed and matched, between outer shell and inner casing, form the first chamber, described protecgulum is provided with the first inlet hole that is communicated with the first chamber; Described piston is movably arranged in inner casing and is fixedly attached to the rear end of piston rod, between described piston and protecgulum, form the second chamber, between piston and bonnet, form the 3rd chamber, described protecgulum is provided with the exhaust port that is communicated with the second chamber, and described bonnet is provided with the path that is communicated with the 3rd chamber; The front end of piston rod runs through described protecgulum, the middle part of piston rod is along being circumferentially with locating slot, described protecgulum end is extended and is coaxially provided with path cylinder, described piston rod runs through described path cylinder, described piston rod front end is connected with connecting head, described path cylinder is provided with the locking framework coordinating with locating slot, in described the 3rd chamber, is provided with the switching control mechanism coordinating with piston.
Further, on described path cylinder outer wall, be radially arranged with a pair of mounting groove, described mounting groove connects the inwall of described path cylinder, in described mounting groove, activity is equiped with steel ball A, described path cylinder sleeve is provided with front guide piston, described front guide piston is fixed with gland outward, described gland is connected with front cover match, between front guide piston and gland, be provided with Returnning spring A, described leading piston inner wall is along being circumferentially with the annular recess coordinating with steel ball A, described front guide piston coordinates the described locking framework of formation with steel ball A, described protecgulum, between front guide piston and gland, form the 4th chamber, described protecgulum is provided with the second inlet hole that is communicated with the 4th chamber.
Further, described switching control mechanism comprises small piston and the thimble be located in the 3rd chamber, described small piston is fixed at the middle part of thimble, described bonnet is run through in described thimble rear end, between small piston and bonnet, be provided with Returnning spring B, piston is provided with the groove corresponding with thimble vertically, the activity of described thimble front end is located in groove, described piston is radially provided with a pair of ball groove corresponding with groove, in described ball groove, be provided with the steel ball B coordinating with thimble, on described ball groove, be arranged with a pair of position-limitting mouth, described ball groove by position-limitting mouth respectively with the 3rd chamber, groove is communicated with, the radius of described position-limitting mouth is less than the radius of described steel ball B.
Further, described piston jacket is provided with two Y shape circles, in described path cylinder, is embedded with the dust ring corresponding with piston rod, and described leading piston jacket is provided with Y shape circle.
Further, described small piston is fixedly connected with thimble by jump ring, and described thimble is connected to rear cover back-end by split washer.
The beneficial effects of the utility model are: the protecgulum and the bonnet that outer shell, inner casing are set and are connected with outer shell respectively, and inner cylinder liner is located in outer shell, has reduced volume of the present utility model; By the first inlet hole, to the utility model, pass into pressurized gas, pressurized gas enters the first chamber, and pressurized gas is carried out to pressurize, reaches circularly-supercharged effect; When switching control mechanism is opened, pressurized gas flows into the 3rd chamber, promotes piston movement, and piston driving piston rod is synchronized with the movement, and when pistons work puts in place, the locating slot of piston rod coordinates with locking framework, and piston rod is locked, and locking firmly; Switching control mechanism and locking framework are set, make the utility model stable performance.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is locking framework structure for amplifying schematic diagram of the present utility model;
Fig. 3 is switching control mechanism structure for amplifying schematic diagram of the present utility model.
In figure:
1, outer shell; 2, inner casing; 3, piston; 4, piston rod; 5, protecgulum; 6, bonnet; 51, the first inlet hole; 7, the second chamber; 8, the 3rd chamber; 61, path; 41, locating slot; 52, path cylinder; 42, connecting head; 521, mounting groove; 522, steel ball A; 9, front guide piston; 10, gland; 91, Returnning spring A; 92, annular recess; 11, the 4th chamber; 53, the second inlet hole; 81, small piston; 82, thimble; 83, Returnning spring B; 31, groove; 32, ball groove; 321, steel ball B; 322, position-limitting mouth; 33, two Y shape circles; 523, dust ring; 93, Y shape circle; 12, jump ring; 13, split washer.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
The circularly-supercharged cylinder of one as shown in Figure 1 to Figure 3, comprise outer shell 1, inner casing 2, piston 3, piston rod 4 and the protecgulum 5 and the bonnet 6 that are connected with outer shell 1 respectively, described inner casing 2 is sheathed in outer shell 1, and the front end of described inner casing 2 and protecgulum 5 are sealed and matched, the rear end of inner casing 2 and bonnet 6 are sealed and matched, between outer shell 1 and inner casing 2, form the first chamber, described protecgulum 5 is provided with the first inlet hole 51 that is communicated with the first chamber; Described piston 3 is movably arranged in inner casing 2 and is fixedly attached to the rear end of piston rod 4, between described piston 3 and protecgulum 5, form the second chamber 7, between piston 3 and bonnet 6, form the 3rd chamber 8, described protecgulum 5 is provided with the exhaust port that is communicated with the second chamber 7, and described bonnet 6 is provided with the path 61 that is communicated with the 3rd chamber 8.
The front end of piston rod 4 runs through described protecgulum 5, the middle part of piston rod 4 is along being circumferentially with locating slot 41, described protecgulum 5 ends are extended and are coaxially provided with path cylinder 52, described piston rod 4 runs through described path cylinder 52, described piston rod 4 front ends are connected with connecting head 42, by connecting head 42, be connected to high-tension apparatus, described path cylinder 52 is provided with the locking framework coordinating with locating slot 41.
On described path cylinder 52 outer walls, be radially arranged with a pair of mounting groove 521, described mounting groove 521 connects the inwall of described path cylinder 52, the interior activity of described mounting groove 521 is equiped with steel ball A522, outside described path cylinder 52, be arranged with leading piston 9, the outer gland 10 that is fixed with of described front guide piston 9, described gland 10 is connected with protecgulum 5, between front guide piston 9 and gland 10, be provided with Returnning spring A91, described front guide piston 9 inwalls are along being circumferentially with the annular recess 92 coordinating with steel ball A522, described front guide piston 9 coordinates the described locking framework of formation with steel ball A522, described protecgulum 5, between front guide piston 9 and gland 10, form the 4th chamber 11, described protecgulum 5 is provided with the second inlet hole 53 that is communicated with the 4th chamber 11.
In described the 3rd chamber 8, be provided with the switching control mechanism coordinating with piston 3, described switching control mechanism comprises small piston 81 and the thimble 82 be located in the 3rd chamber 8, described small piston 81 is fixed at the middle part of thimble 82, described bonnet 6 is run through in described thimble 82 rear ends, between small piston 81 and bonnet 6, be provided with Returnning spring B83, thimble 82 is set back, piston 3 is provided with the groove corresponding with thimble 82 31 vertically, described thimble 82 front end activities are located in groove 31, described piston 3 is radially provided with a pair of ball groove 32 corresponding with groove 31, in described ball groove 32, be provided with the steel ball B321 coordinating with thimble 82, on described ball groove 32, be arranged with a pair of position-limitting mouth 322, described ball groove 32 by position-limitting mouth 322 respectively with the 3rd chamber 8, groove 31 is communicated with, pressurized gas can enter in groove 31, promoting piston 3 moves, the radius of described position-limitting mouth 322 is less than the radius of described steel ball B321, to steel ball, B321 plays position-limiting action.
Working principle of the present utility model is: under original state, the utility model is filled with without pressurized gas, the first inlet hole 51 and the second inlet hole 53 are filled with without gas, the 4th chamber 11 is interior without air pressure, front guide piston 9 applies a pressure that points to piston rod 4 to steel ball A522 under the effect of Returnning spring A91, and now on piston 3, the steel ball B321 in ball groove 32 contacts with thimble 82 sealings by position-limitting mouth 322.
Under working state, in the first inlet hole 51 and the second inlet hole 53, pass into pressurized gas simultaneously.Pressurized gas in the first inlet hole 51 enters the first chamber, by the first chamber, pressurized gas is carried out to pressurize; Pressurized gas in the second inlet hole 53 enters the 4th chamber 11, before promoting, guide piston 9 travels forward, when the annular recess 92 of current guide piston 9 contacts with steel ball A522, the pressure that steel ball A522 is subject to front guide piston 9 reduces gradually, front guide piston 9 moves forward, when steel ball A522 fully contacts with annular recess 92, the pressure that steel ball A522 is subject to front guide piston 9 is zero, now between steel ball A522 and piston rod 4 without pressure.
Pull back thimble 82, thimble 82 departs from steel ball B321, small piston 81 departs from piston 3, pressurized gas in the first chamber enters in the 3rd chamber 8 by path 61, and promote piston 3 and move, piston 3 drives piston rod 4 to be synchronized with the movement, due to now between piston rod 4 and steel ball A522 without pressure, piston rod 4 is moved more quick, the gas of the second chamber 7 is discharged through exhaust port.
When work puts in place, now the locating slot 41 of piston rod 4 arrives steel ball A522 position, stops passing into pressurized gas to the first inlet hole 51 and the second inlet hole 53 simultaneously.Gas in the 4th chamber 11 is discharged through the second inlet hole 53, now front guide piston 9 sets back under the effect of Returnning spring A91, steel ball A522 and annular recess 92 depart from gradually, and steel ball A522 is increased by the pressure of front guide piston 9 gradually, during current guide piston 9 returning position, steel ball A522 is subject to the pressure maximum of front guide piston 9, and now steel ball A522 fully contacts with locating slot 41, realizes the locking to piston rod 4.
When piston 3 is done return motion, first to the second inlet hole 53, pass into pressurized gas, make steel ball A522 depart from locating slot 41, unlock, then pass into pressurized gas to exhaust port, piston 3 drives piston rod 4 return motions.When piston 3 returns back to original position, thimble 82 contacts in sealing with steel ball B321, now stops inflating to the second inlet hole 53, and the utility model returns to original state.
The outer pair Y shape circles 33 that are arranged with of described piston 3, good sealing effect, is embedded with the dust ring corresponding with piston rod 4 523 in described path cylinder 52, plays dustproof effect, and described front guide piston 9 is outer is arranged with Y shape circle 93, and sealing effect is better.Described small piston 81 is fixedly connected with thimble 82 by jump ring 12, and described thimble 82 is connected to bonnet 6 rear ends by split washer 13, by jump ring 12 and split washer 13, easy for installation.
The above is only preferred embodiments of the present utility model, and the equivalence of doing according to structure, feature and principle described in the utility model patent claim therefore all changes or modifies, and is included in the utility model patent claim.
Claims (5)
1. a circularly-supercharged cylinder, it is characterized in that: comprise outer shell (1), inner casing (2), piston (3), piston rod (4), and the protecgulum (5) and the bonnet (6) that are connected with outer shell (1) respectively, described inner casing (2) is sheathed in outer shell (1), and the front end of described inner casing (2) and protecgulum (5) are sealed and matched, the rear end of inner casing (2) and bonnet (6) are sealed and matched, between outer shell (1) and inner casing (2), form the first chamber, described protecgulum (5) is provided with the first inlet hole (51) that is communicated with the first chamber, described piston (3) is movably arranged in inner casing (2) and is fixedly attached to the rear end of piston rod (4), between described piston (3) and protecgulum (5), form the second chamber (7), between piston (3) and bonnet (6), form the 3rd chamber (8), described protecgulum (5) is provided with the exhaust port that is communicated with the second chamber (7), and described bonnet (6) is provided with the path (61) that is communicated with the 3rd chamber (8), the front end of piston rod (4) runs through described protecgulum (5), the middle part of piston rod (4) is along being circumferentially with locating slot (41), described protecgulum (5) end is extended and is coaxially provided with path cylinder (52), described piston rod (4) runs through described path cylinder (52), described piston rod (4) front end is connected with connecting head (42), described path cylinder (52) is provided with the locking framework coordinating with locating slot (41), in described the 3rd chamber (8), be provided with the switching control mechanism coordinating with piston (3).
2. circularly-supercharged cylinder according to claim 1, it is characterized in that: on described path cylinder (52) outer wall, be radially arranged with a pair of mounting groove (521), described mounting groove (521) connects the inwall of described path cylinder (52), the interior activity of described mounting groove (521) is equiped with steel ball A (522), the outer leading piston (9) that is arranged with of described path cylinder (52), the outer gland (10) that is fixed with of described front guide piston (9), described gland (10) is connected with protecgulum (5), between front guide piston (9) and gland (10), be provided with Returnning spring A (91), described front guide piston (9) inwall is along being circumferentially with the annular recess (92) coordinating with steel ball A (522), described front guide piston (9) coordinates the described locking framework of formation with steel ball A (522), described protecgulum (5), between front guide piston (9) and gland (10), form the 4th chamber (11), described protecgulum (5) is provided with the second inlet hole (53) that is communicated with the 4th chamber (11).
3. circularly-supercharged cylinder according to claim 1, it is characterized in that: described switching control mechanism comprises small piston (81) and the thimble (82) be located in the 3rd chamber (8), described small piston (81) is fixed at the middle part of thimble (82), described bonnet (6) is run through in described thimble (82) rear end, between small piston (81) and bonnet (6), be provided with Returnning spring B (83), piston (3) is provided with the groove (31) corresponding with thimble (82) vertically, described thimble (82) front end activity is located in groove (31), described piston (3) is radially provided with a pair of ball groove (32) corresponding with groove (31), in described ball groove (32), be provided with the steel ball B (321) coordinating with thimble (82), on described ball groove (32), be arranged with a pair of position-limitting mouth (322), described ball groove (32) by position-limitting mouth (322) respectively with the 3rd chamber (8), groove (31) is communicated with, the radius of described position-limitting mouth (322) is less than the radius of described steel ball B (321).
4. circularly-supercharged cylinder according to claim 2, it is characterized in that: the outer pair Y shape circles (33) that are arranged with of described piston (3), in described path cylinder (52), be embedded with the dust ring (523) corresponding with piston rod (4), the outer Y shape circle (93) that is arranged with of described front guide piston (9).
5. circularly-supercharged cylinder according to claim 3, it is characterized in that: described small piston (81) is fixedly connected with thimble (82) by jump ring (12), described thimble (82) is connected to bonnet (6) rear end by split washer (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320782875.2U CN203584926U (en) | 2013-12-02 | 2013-12-02 | Circulating pressurizing cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320782875.2U CN203584926U (en) | 2013-12-02 | 2013-12-02 | Circulating pressurizing cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN203584926U true CN203584926U (en) | 2014-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320782875.2U Expired - Fee Related CN203584926U (en) | 2013-12-02 | 2013-12-02 | Circulating pressurizing cylinder |
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| Country | Link |
|---|---|
| CN (1) | CN203584926U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533344A (en) * | 2014-11-06 | 2015-04-22 | 长江大学 | Hydraulic sliding sleeve switch tool |
| CN108953282A (en) * | 2018-09-17 | 2018-12-07 | 谈振新 | Single sided entry double-acting cylinder |
| CN109854482A (en) * | 2019-01-18 | 2019-06-07 | 宁波市爱托普气动液压有限公司 | A kind of gas-liquid booster pump |
| CN115263828A (en) * | 2022-08-19 | 2022-11-01 | 江西德思宏液压有限公司 | Reciprocating supercharger applying small piston feedback scheme and method |
-
2013
- 2013-12-02 CN CN201320782875.2U patent/CN203584926U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533344A (en) * | 2014-11-06 | 2015-04-22 | 长江大学 | Hydraulic sliding sleeve switch tool |
| CN108953282A (en) * | 2018-09-17 | 2018-12-07 | 谈振新 | Single sided entry double-acting cylinder |
| CN109854482A (en) * | 2019-01-18 | 2019-06-07 | 宁波市爱托普气动液压有限公司 | A kind of gas-liquid booster pump |
| CN109854482B (en) * | 2019-01-18 | 2024-03-08 | 宁波市爱托普气动液压有限公司 | Gas-liquid booster pump |
| CN115263828A (en) * | 2022-08-19 | 2022-11-01 | 江西德思宏液压有限公司 | Reciprocating supercharger applying small piston feedback scheme and method |
| CN115263828B (en) * | 2022-08-19 | 2024-05-28 | 江西德思宏液压有限公司 | Reciprocating supercharger applying small piston feedback scheme and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20151202 |
|
| EXPY | Termination of patent right or utility model |