CN204003750U - Cylinder - Google Patents
Cylinder Download PDFInfo
- Publication number
- CN204003750U CN204003750U CN201420415662.0U CN201420415662U CN204003750U CN 204003750 U CN204003750 U CN 204003750U CN 201420415662 U CN201420415662 U CN 201420415662U CN 204003750 U CN204003750 U CN 204003750U
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- China
- Prior art keywords
- piston
- cylinder barrel
- front cover
- rear end
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000003139 buffering effect Effects 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 239000000428 dust Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000033001 locomotion Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Actuator (AREA)
Abstract
The disclosed cylinder of the utility model, comprise cylinder barrel, front cover, rear end cover, piston and piston rod, on piston, be embedded with the magnet ring adapting with inner wall of cylinder, on rear end cover, be provided with the second discharge orifice, one end of piston rod is fixedly connected with piston, the other end of piston rod stretches out in the outside of cylinder barrel, front cover is provided with the first discharge orifice, in the first discharge orifice and the second discharge orifice, sealing is provided with buffering metering needle respectively, on front cover and rear end cover, be respectively equipped with the catch coordinating with corresponding buffering metering needle, between front cover and rear end cover, be connected with pull bar, between magnet ring and inner wall of cylinder, be arranged with wear-resistant strip, on piston, be embedded with the Y-shaped ring adapting with inner wall of cylinder, between front cover and cylinder barrel, between rear end cover and cylinder barrel, be provided with O type circle.The utility model cushioning effect is better, working life is long, safety coefficient is higher, installation connects comparatively firmly, sealability is better, the magnet ring degree of wear is lower, stable work in work.
Description
Technical field
The utility model relates to pneumatic element technical field, particularly a kind of cylinder.
Background technique
Cylinder is the normal a kind of pneumatic element using in machinery industry, by people's know with common.Notice of authorization CN202468526U discloses a kind of " cylinder ", its structure comprises cylinder barrel, front cover, rear end cover and piston rod, front cover and rear end cover are fixedly installed on respectively the two ends of cylinder barrel, in cylinder barrel, be movably set with piston, on piston, be embedded with the magnet ring adapting with inner wall of cylinder, piston is divided into left chamber and right chamber by cylinder barrel, on front cover and rear end cover, be respectively arranged with the buffer ring matching with piston, on described front cover, be provided with the first inlet hole being communicated with left chamber, on rear end cover, be respectively arranged with the second inlet hole and the discharge orifice that are communicated with right chamber, in described discharge orifice, sealing is provided with buffering metering needle, one end of described piston rod is inserted in cylinder barrel and is fixedly connected with piston by connecting screw rod, the other end of piston rod passes front cover and stretches out in the outside of cylinder barrel, on described front cover, be embedded with the dust ring adapting with piston rod.When being filled with pressurized gas in the first inlet hole, piston rod is retracted under the driving of piston; When being filled with pressurized gas in the second inlet hole, piston rod advances under the driving of piston.The effect of buffering metering needle is to regulate the gas pressure in right chamber, and when piston driving piston rod is retracted, the gas in the right chamber of piston compression, rises the pressure of right chamber indoor gas, thereby piston is played to the effect of buffering.Yet, the defect of above-mentioned " cylinder " is: first, due to buffering metering needle being only set on rear end cover, when piston rod advances, piston is larger to the impact force of front cover, and the buffer capacity of buffer ring is limited on front cover, cannot fully cushion piston, caused reducing the working life of piston; The second, owing to moving after piston or being filled with pressurized gas in chamber to the right, the gas pressure in right chamber is larger, makes to cushion metering needle and easily under High Pressure, is rushed out, and then staff is caused to personal injury; The 3rd, because front cover and rear end cover are directly fixedly installed on cylinder body, cause installing stability lower.
In addition, all there is the defect that sealability is poor, magnet ring wearing and tearing are comparatively serious in existing cylinder, has had a strong impact on cylinder operation performance, therefore be necessary existing structure to improve.
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, cushioning effect better, working life is long, safety coefficient is higher, install connect comparatively firmly, sealability better, the cylinder of lower, the stable work in work of the magnet ring degree of wear.
For achieving the above object, the utility model is by the following technical solutions:
Cylinder described in the utility model, comprise cylinder barrel, front cover, rear end cover and piston rod, described front cover and rear end cover are fixedly installed on respectively the two ends of described cylinder barrel, in described cylinder barrel, be movably set with piston, on described piston, be embedded with the magnet ring adapting with described inner wall of cylinder, described piston is divided into left chamber and right chamber by described cylinder barrel, on described front cover and rear end cover, be respectively arranged with the buffer ring matching with described piston, on described front cover, be provided with the first inlet hole being communicated with described left chamber, on rear end cover, be respectively arranged with the second inlet hole and the second discharge orifice that are communicated with right chamber, one end of described piston rod is inserted in described cylinder barrel and is fixedly connected with described piston by connecting screw rod, the other end of described piston rod passes described front cover and stretches out in the outside of described cylinder barrel, on described front cover, be embedded with the dust ring adapting with described piston rod, on described front cover, be also provided with the first discharge orifice being connected with left chamber, in described the first discharge orifice and described the second discharge orifice, sealing is provided with buffering metering needle respectively, on described front cover and rear end cover, be respectively arranged with the catch that stops corresponding buffering metering needle to be gone out by air pressure, described catch is arranged in respectively in corresponding discharge orifice, between described front cover and rear end cover, be connected with pull bar, on described front cover and rear end cover, correspondence is provided with rod nut respectively, described pull bar is fixedly connected with corresponding end cap respectively by described rod nut, between described magnet ring and inner wall of cylinder, be arranged with wear-resistant strip, on described piston, be embedded with the Y-shaped ring adapting with inner wall of cylinder, between described front cover and cylinder barrel, between rear end cover and cylinder barrel, be provided with O type circle.
Further, described piston is coordinated and is formed by symmetrically arranged first piston and the second piston, between described first piston, the second piston and piston rod, by described connecting screw rod, be fixed together, described magnet ring is embedded between described first piston and the second piston, on described first piston and the second piston, is all embedded with described Y-shaped ring.
Further, on described front cover, be also embedded with the guide sleeve adapting with described piston rod.
Further, the front end end of described piston rod is provided with spindle nose nut.
Further, described cylinder barrel is cube structure, is provided with vertically respectively magnetic switch groove on the center line of at least three sides of described cylinder barrel outer wall.
The beneficial effects of the utility model are: compared with prior art, the utility model by arranging respectively the discharge orifice being communicated with corresponding chambers on front cover and rear end cover, and all seal buffering metering needle is set in two discharge orifices, when piston is in cylinder barrel during to-and-fro motion, by above-mentioned two buffering metering needles, can effectively to piston, fully cushion, reduced the shock of piston to front cover or rear end cover, the noise while having reduced work, has improved working life of the present utility model; Catch is set respectively in two discharge orifices, by catch, has effectively prevented the possibility that buffering metering needle is gone out by air pressure, and then effectively protected technician's personal safety; Between front cover and rear end cover, by pull bar, be fixedly connected with, the utility model installation connected more firm, installation stability is higher; By be embedded Y-shaped ring on piston, and between front cover and cylinder barrel, be provided with O type circle between rear end cover and cylinder barrel, effectively improve sealability of the present utility model, avoided the generation of gas leak phenomenon; Sheathed wear-resistant strip on magnet ring, has reduced the friction between magnet ring and cylinder barrel, effectively reduces the wearing and tearing between magnet ring and inner wall of cylinder, has extended working life.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is cylinder barrel plane structure schematic diagram of the present utility model.
In figure:
1, cylinder barrel; 2, front cover; 3, rear end cover; 4, piston rod; 5, magnet ring; 6, left chamber; 7, right chamber; 8, buffer ring; 21, the first inlet hole; 31, the second discharge orifice; 9, connecting screw rod; 22, dust ring; 10, buffering metering needle; 11, catch; 12, pull bar; 13, rod nut; 14, wear-resistant strip; 43, Y-shaped ring; 15, O type circle; 41, first piston; 42, the second piston; 23, guide sleeve; 16, spindle nose nut, 17, magnetic switch groove.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
Cylinder as shown in Figure 1, comprise cylinder barrel 1, front cover 2, rear end cover 3 and piston rod 4, described front cover 2 and rear end cover 3 are fixedly installed on respectively the two ends of cylinder barrel 1, in described cylinder barrel 1, be movably set with piston, on described piston, be embedded with the magnet ring 5 adapting with cylinder barrel 1 inwall, described piston is divided into left chamber 6 and right chamber 7 by cylinder barrel 1, on described front cover 2 and rear end cover 3, be respectively arranged with the buffer ring 8 matching with piston, on described front cover 2, be provided with the first inlet hole 21 being communicated with left chamber 6, on rear end cover 3, be respectively arranged with the second inlet hole and the second discharge orifice 31 that are communicated with right chamber 7, one end of described piston rod 4 is inserted in cylinder barrel 1 and is fixedly connected with piston by connecting screw rod 9, the other end of described piston rod 4 passes front cover 2 and stretches out in the outside of cylinder barrel 1, on described front cover 2, be embedded with the dust ring 22 adapting with piston rod 4.
On described front cover 2, be also provided with the first discharge orifice being connected with left chamber 6, the interior sealing respectively of described the first discharge orifice and the second discharge orifice 31 is provided with buffering metering needle 10, on front cover 2 and rear end cover 3, be respectively arranged with the catch 11 that stops corresponding buffering metering needle 10 to be gone out by air pressure, described catch 11 is arranged in respectively in corresponding discharge orifice, between front cover 2 and rear end cover 3, be connected with pull bar 12, on described front cover 2 and rear end cover 3, correspondence is provided with rod nut 13 respectively, described pull bar 12 is fixedly connected with corresponding end cap respectively by rod nut 13, between magnet ring 5 and cylinder barrel 1 inwall, be arranged with wear-resistant strip 14, on described piston, be embedded with the Y-shaped ring 43 adapting with cylinder barrel 1 inwall, between described front cover 2 and cylinder barrel 1, between rear end cover 3 and cylinder barrel 1, be provided with O type circle 15.
By the discharge orifice being communicated with corresponding chambers is set respectively on front cover 2 and rear end cover 3, and in two discharge orifices all sealing arrange buffering metering needle 10, when piston is during in cylinder barrel 1 interior to-and-fro motion, by above-mentioned two buffering metering needles 10, can effectively to piston, fully cushion, reduced the shock of piston to front cover 2 or rear end cover 3, noise while having reduced work, has improved working life of the present utility model; Catch 11 is set respectively in two discharge orifices, by catch 11, has effectively prevented the possibility that buffering metering needle 10 is gone out by air pressure, and then effectively protected technician's personal safety; Between front cover 2 and rear end cover 3, by pull bar 12, be fixedly connected with, the utility model installation connected more firm, installation stability is higher; By be embedded Y-shaped ring 43 on piston, and between front cover 2 and cylinder barrel 1, be provided with O type circle 15 between rear end cover 3 and cylinder barrel 1, effectively improve sealability of the present utility model, avoided the generation of gas leak phenomenon; Sheathed wear-resistant strip 14 on magnet ring 5, has reduced the friction between magnet ring 5 and cylinder barrel 1, effectively reduces the wearing and tearing between magnet ring 5 and cylinder barrel 1 inwall, has extended working life.
Described piston is coordinated and is formed by symmetrically arranged first piston 41 and the second piston 42, between described first piston 41, the second piston 42 and piston rod 4, by described connecting screw rod 9, be fixed together, described magnet ring 5 is embedded between described first piston 41 and the second piston 42, on described first piston 41 and the second piston 42, is all embedded with described Y-shaped ring 43.By first piston 41 and the second piston 42 are set, make magnet ring 5 handling convenient, the working life of effectively having improved piston simultaneously.
On described front cover 2, be also embedded with the guide sleeve 23 adapting with described piston rod 4, leading role has been played in the to-and-fro motion of 23 pairs of piston rods 4 of guide sleeve, has guaranteed the coaxality of piston rod 4 motions.The front end end of described piston rod 4 is provided with spindle nose nut 16, by spindle nose nut 16, is convenient to piston rod 4 and other operation elements to be connected, easy to install and use.Described cylinder barrel 1 is cube structure, on the center line of described cylinder barrel 1 at least three sides of outer wall, be provided with vertically respectively magnetic switch groove 17, magnetic switch groove 17 is for installing magnetic switch, by magnetic switch, coordinate the position of detecting piston with magnet ring, magnetic switch groove 17 is separately positioned on the center line of its place face, make magnetic switch nearer apart from the center of piston when mounted, thereby effectively make magnetic switch induction more accurate, validity is higher.
The above is only better embodiment 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. cylinder, comprise cylinder barrel (1), front cover (2), rear end cover (3) and piston rod (4), described front cover (2) and rear end cover (3) are fixedly installed on respectively the two ends of described cylinder barrel (1), described cylinder barrel is movably set with piston in (1), on described piston, be embedded with the magnet ring (5) adapting with described cylinder barrel (1) inwall, described piston is divided into left chamber (6) and right chamber (7) by described cylinder barrel (1), on described front cover (2) and rear end cover (3), be respectively arranged with the buffer ring (8) matching with described piston, on described front cover (2), be provided with the first inlet hole (21) being communicated with described left chamber (6), on rear end cover (3), be respectively arranged with the second inlet hole and the second discharge orifice (31) that are communicated with right chamber (7), one end of described piston rod (4) is inserted in described cylinder barrel (1) and is fixedly connected with described piston by connecting screw rod (9), the other end of described piston rod (4) passes described front cover (2) and stretches out in the outside of described cylinder barrel (1), on described front cover (2), be embedded with the dust ring (22) adapting with described piston rod (4), it is characterized in that: on described front cover (2), be also provided with the first discharge orifice being connected with left chamber (6), in described the first discharge orifice and described the second discharge orifice (31), sealing is provided with buffering metering needle (10) respectively, on described front cover (2) and rear end cover (3), be respectively arranged with the catch (11) that stops corresponding buffering metering needle (10) to be gone out by air pressure, described catch (11) is arranged in respectively in corresponding discharge orifice, between described front cover (2) and rear end cover (3), be connected with pull bar (12), on described front cover (2) and rear end cover (3), correspondence is provided with rod nut (13) respectively, described pull bar (12) is fixedly connected with corresponding end cap respectively by described rod nut (13), between described magnet ring (5) and cylinder barrel (1) inwall, be arranged with wear-resistant strip (14), on described piston, be embedded with the Y-shaped ring (43) adapting with cylinder barrel (1) inwall, between described front cover (2) and cylinder barrel (1), between rear end cover (3) and cylinder barrel (1), be provided with O type circle (15).
2. cylinder according to claim 1, it is characterized in that: described piston is coordinated and formed by symmetrically arranged first piston (41) and the second piston (42), between described first piston (41), the second piston (42) and piston rod (4), by described connecting screw rod (9), be fixed together, described magnet ring (5) is embedded between described first piston (41) and the second piston (42), on described first piston (41) and the second piston (42), is all embedded with described Y-shaped ring (43).
3. cylinder according to claim 1, is characterized in that: on described front cover (2), be also embedded with the guide sleeve (23) adapting with described piston rod (4).
4. cylinder according to claim 1, is characterized in that: the front end end of described piston rod (4) is provided with spindle nose nut (16).
5. cylinder according to claim 1, is characterized in that: described cylinder barrel (1) is cube structure, on the center line of described cylinder barrel (1) at least three sides of outer wall, is provided with vertically respectively magnetic switch groove (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415662.0U CN204003750U (en) | 2014-07-25 | 2014-07-25 | Cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415662.0U CN204003750U (en) | 2014-07-25 | 2014-07-25 | Cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204003750U true CN204003750U (en) | 2014-12-10 |
Family
ID=52043757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420415662.0U Expired - Lifetime CN204003750U (en) | 2014-07-25 | 2014-07-25 | Cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204003750U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154067A (en) * | 2014-07-25 | 2014-11-19 | 宁波索诺工业自控设备有限公司 | Cylinder |
| CN105150266A (en) * | 2015-09-29 | 2015-12-16 | 苏州斯尔特微电子有限公司 | Vertical push structure for thinning machine |
| CN106563875A (en) * | 2016-10-19 | 2017-04-19 | 广州松兴电气股份有限公司 | Pneumatic pressurizing and buffering device of resistance welding electrode |
| CN113803319A (en) * | 2021-09-29 | 2021-12-17 | 深圳市宽田科技有限公司 | Cylinder with internal driving lubricating function |
-
2014
- 2014-07-25 CN CN201420415662.0U patent/CN204003750U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154067A (en) * | 2014-07-25 | 2014-11-19 | 宁波索诺工业自控设备有限公司 | Cylinder |
| CN105150266A (en) * | 2015-09-29 | 2015-12-16 | 苏州斯尔特微电子有限公司 | Vertical push structure for thinning machine |
| CN106563875A (en) * | 2016-10-19 | 2017-04-19 | 广州松兴电气股份有限公司 | Pneumatic pressurizing and buffering device of resistance welding electrode |
| CN113803319A (en) * | 2021-09-29 | 2021-12-17 | 深圳市宽田科技有限公司 | Cylinder with internal driving lubricating function |
| CN113803319B (en) * | 2021-09-29 | 2024-07-19 | 深圳市宽田科技有限公司 | Cylinder with internal driving lubrication function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |