CN104121249A - Novel air cylinder - Google Patents
Novel air cylinder Download PDFInfo
- Publication number
- CN104121249A CN104121249A CN201410359492.3A CN201410359492A CN104121249A CN 104121249 A CN104121249 A CN 104121249A CN 201410359492 A CN201410359492 A CN 201410359492A CN 104121249 A CN104121249 A CN 104121249A
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- CN
- China
- Prior art keywords
- cylinder barrel
- bonnet
- protecgulum
- piston
- piston rod
- 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.)
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Abstract
The invention discloses a novel air cylinder. The novel air cylinder comprises a cylinder barrel, a front cover, a rear cover and a piston. A piston rod is fixed to the piston, the front end of the piston rod stretches out of the cylinder barrel, a first thread portion is arranged at the front end of the piston rod, flanges which are formed by inward bending are arranged on the peripheries of the two ends of the cylinder barrel respectively, ring grooves matched with the flanges are formed in the front cover and the rear cover respectively, the cylinder barrel is in riveting pressing connection with the front cover through the cooperation of the flanges and the ring grooves, the cylinder barrel is in riveting pressing connection with the rear cover through the cooperation of the flanges and the ring grooves, an inner hexagonal screw is fixedly arranged on the rear cover, the end of the inner hexagonal screw penetrates through the rear cover, the inner hexagonal screw is provided with a second thread portion the same with the first thread portion, a mounting nut is arranged on the second thread portion in a connection mode, an iron sleeve is arranged between the mounting nut and the rear cover, and inner hexagonal screw is sleeved with the iron sleeve. The novel air cylinder is compact and reasonable in structure, convenient to mount, high in firmness, low in mounting cost and convenient to use.
Description
Technical field
The present invention relates to pneumatic element technical field, particularly a kind of Novel air cylinder.
Background technique
Cylinder is the normal a kind of pneumatic element using in machinery industry, by people's know with common.The cylinder occurring in the market, its structure generally includes cylinder barrel, be located at respectively protecgulum and the bonnet at cylinder barrel two ends, the piston in cylinder barrel is located in activity, between protecgulum and bonnet, be connected with some pull bars, described protecgulum, between cylinder barrel and bonnet, be fixedly connected with by described some pull bars, on piston, be fixed with piston rod, the front end of piston rod is through protecgulum and stretch out in cylinder barrel outside, the front end of piston rod is provided with screw section, piston rod is connected with spindle nose nut by screw section, protecgulum, between cylinder barrel and piston, form front chamber, bonnet, between cylinder barrel and piston, form rear chamber, protecgulum is provided with the first air input joint being communicated with front chamber, bonnet is provided with the second air input joint being communicated with rear chamber.When work, the first air input joint is all connected with source of the gas with the second air input joint, by spindle nose nut, piston rod is fixedly connected with the mechanical part for the treatment of work, and when be filled with pressurized gas in rear chamber time, piston actuated piston rod advances; When be filled with pressurized gas in front chamber time, piston actuated piston rod is retracted.But the defect of above-mentioned cylinder is: the first, owing to adopting some pull bars to be fixedly connected with between protecgulum, cylinder barrel and pull bar, cause installing comparatively inconvenience, fastness is lower, and installation cost is relatively high; The second, because the front end at piston rod only arranges screw section, when use, only can be connected with other mechanical parts by piston rod, cause cylinder to have in use larger narrow limitation.
Summary of the invention
The object of the invention is to defect and deficiency for prior art, the Novel air cylinder that a kind of compact structure is reasonable, easy for installation and fastness is higher, installation cost is lower, easy to use is provided.
For achieving the above object, the present invention is by the following technical solutions:
Novel air cylinder of the present invention, comprise cylinder barrel, be located at respectively protecgulum and the bonnet at cylinder barrel two ends, the piston in cylinder barrel is located in activity, on described piston, be fixed with piston rod, the front end of described piston rod is through protecgulum and stretch out in cylinder barrel outside, the front end of described piston rod is provided with the first screw section, described piston rod is connected with spindle nose nut by the first screw section, described protecgulum, between cylinder barrel and piston, form front chamber, described bonnet, between cylinder barrel and piston, form rear chamber, described protecgulum is provided with the first air input joint being communicated with front chamber, described bonnet is provided with the second air input joint being communicated with rear chamber, the two ends periphery of described cylinder barrel is equipped with the flange that bends inwards and form, on described protecgulum and bonnet, be respectively equipped with the annular groove adapting with described flange, between described cylinder barrel and protecgulum, between cylinder barrel and bonnet, all coordinate riveting to be connected by flange and annular groove, on described bonnet, be fixed with hexagon socket head cap screw, the end of described hexagon socket head cap screw is through bonnet and be provided with second screw section identical with the first screw section, on described the second screw section, be connected with installation nut, between described installation nut and bonnet, be provided with iron cover, described iron cover is set on hexagon socket head cap screw.
Further, on described protecgulum, be fixed with connection cover plate, on described protecgulum, be embedded with the dustproof composite rim and the guide sleeve that adapt with piston rod.
Further, between described protecgulum and cylinder barrel, between bonnet and cylinder barrel, between hexagon socket head cap screw and bonnet, be provided with O type circle.
Further, described piston rod is fixedly connected with described piston by hold-doun nut, between described hold-doun nut and piston, is embedded with plain cushion.
Beneficial effect of the present invention is: the flange that bends inwards and form is all set by the two ends periphery at cylinder barrel, and the annular groove adapting with described flange is set respectively on protecgulum and bonnet, make between cylinder barrel and protecgulum, all coordinate riveting to be connected by flange and annular groove between cylinder barrel and bonnet, than prior art, the present invention is when mounted without pull bar is set, effectively reduce installation cost, and structure setting is more compact, between cylinder barrel and protecgulum, bonnet, adopt riveting to be connected, fastness is higher; By hexagon socket head cap screw being set at bonnet, the end of hexagon socket head cap screw is through bonnet and second screw section identical with the first screw section is set, on the second screw section, connect installation nut is set, when the present invention in use, all can be connected with other mechanical parts with the second screw section by the first screw section, thereby it is convenient that the present invention is used, simultaneously, because the first screw section is identical with the second screw section, make the present invention in use versatility and interchangeability stronger.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present invention.
In figure:
1, cylinder barrel; 2, protecgulum; 3, bonnet; 4, piston; 5, piston rod; 51, the first screw section; 52, spindle nose nut; 6, front chamber; 7, rear chamber; 31, the second air input joint; 11, flange; 8, hexagon socket head cap screw; 81, the second screw section; 82, nut is installed; 83, iron cover; 21, connect cover plate; 22, dustproof composite rim; 23, guide sleeve; 9, O type circle; 53, hold-doun nut; 54, plain cushion.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Novel air cylinder as shown in Figure 1, comprise cylinder barrel 1, be located at respectively protecgulum 2 and the bonnet 3 at cylinder barrel 1 two ends, the piston 4 in cylinder barrel 1 is located in activity, on described piston 4, be fixed with piston rod 5, the front end of described piston rod 5 is through protecgulum 2 and stretch out in cylinder barrel 1 outside, the front end of described piston rod 5 is provided with the first screw section 51, described piston rod 5 is connected with spindle nose nut 52 by the first screw section 51, described protecgulum 2, between cylinder barrel 1 and piston 4, form front chamber 6, described bonnet 3, between cylinder barrel 1 and piston 4, form rear chamber 7, described protecgulum 2 is provided with the first air input joint being communicated with front chamber 6, described bonnet 3 is provided with the second air input joint 31 being communicated with rear chamber 7.
Working principle of the present invention is identical with the working principle of existing cylinder, and therefore not to repeat here.
The two ends periphery of described cylinder barrel 1 is equipped with the flange 11 that bends inwards and form, on described protecgulum 2 and bonnet 3, be respectively equipped with the annular groove adapting with described flange 11, between described cylinder barrel 1 and protecgulum 2, between cylinder barrel 1 and bonnet 3, all coordinate riveting to be connected by flange 11 and annular groove.Than prior art, the present invention without pull bar is set, effectively reduces installation cost when mounted, and structure setting is more compact, between cylinder barrel 1 and protecgulum 2, bonnet 3, adopts riveting to be connected, and fastness is higher.
On described bonnet 3, be fixed with hexagon socket head cap screw 8, the end of described hexagon socket head cap screw 8 is through bonnet 3 and be provided with second screw section 81 identical with the first screw section 51.All can be connected with other mechanical parts with the second screw section 81 by the first screw section 51, thereby it is convenient that the present invention is used, meanwhile, identical with the second screw section 81 due to the first screw section 51, make the present invention in use versatility and interchangeability stronger.On described the second screw section 81, be connected with nut 82 is installed, in the time that the second screw section 81 is connected with other mechanical parts, play a part to be connected and fixed by nut 82 is installed.Between described installation nut 82 and bonnet 3, be provided with iron cover 83, described iron cover 83 is set on described hexagon socket head cap screw 8, the effect of iron cover 83 is 82 spacing constraints of nut are installed, under the mating reaction of iron cover 83 and installation nut 82, play and prevent that hexagon socket head cap screw 8 from loosening effect occurring simultaneously.
On described protecgulum 2, be fixed with and connect cover plate 21, connect cover plate 21 by arranging, when the present invention is matched with other mechanical parts, install more convenient.On described protecgulum 2, be embedded with the dustproof composite rim 22 and the guide sleeve 23 that adapt with piston rod 5, dustproof composite rim 22 plays a part dustproof, avoids the impurity such as dust to enter in cylinder barrel 1, coaxality when guide sleeve 23 has ensured that piston rod 5 moves.
In order to improve sealability of the present invention, between described protecgulum 2 and cylinder barrel 1, between bonnet 3 and cylinder barrel 1, be provided with O type circle 9 between hexagon socket head cap screw 8 and bonnet 3.Described piston rod 5 is fixedly connected with described piston 4 by hold-doun nut 53, between described hold-doun nut 53 and piston 4, be embedded with plain cushion 54, by hold-doun nut 53 is set, make to load and unload between piston rod 5 and piston 4 more convenient, and fixed effect is better, plain cushion 54 has strengthened the fastening effect of hold-doun nut 53.
The above is only preferred embodiments of the present invention, and the equivalence of doing according to structure, feature and principle described in patent claim of the present invention therefore all changes or modifies, and is included in patent claim of the present invention.
Claims (4)
1. Novel air cylinder, comprise cylinder barrel (1), be located at respectively protecgulum (2) and the bonnet (3) at cylinder barrel (1) two ends, the piston (4) in cylinder barrel (1) is located in activity, on described piston (4), be fixed with piston rod (5), the front end of described piston rod (5) is through protecgulum (2) and stretch out in cylinder barrel (1) outside, the front end of described piston rod (5) is provided with the first screw section (51), described piston rod (5) is connected with spindle nose nut (52) by the first screw section (51), described protecgulum (2), between cylinder barrel (1) and piston (4), form front chamber (6), described bonnet (3), between cylinder barrel (1) and piston (4), form rear chamber (7), described protecgulum (2) is provided with the first air input joint being communicated with front chamber (6), described bonnet (3) is provided with the second air input joint (31) being communicated with rear chamber (7), it is characterized in that: the two ends periphery of described cylinder barrel (1) is equipped with the flange (11) that bends inwards and form, on described protecgulum (2) and bonnet (3), be respectively equipped with the annular groove adapting with described flange (11), between described cylinder barrel (1) and protecgulum (2), between cylinder barrel (1) and bonnet (3), all coordinate riveting to be connected by flange (11) and annular groove, on described bonnet (3), be fixed with hexagon socket head cap screw (8), the end of described hexagon socket head cap screw (8) is through bonnet (3) and be provided with second screw section (81) identical with the first screw section (51), on described the second screw section (81), be connected with nut (82) is installed, between described installation nut (82) and bonnet (3), be provided with iron cover (83), described iron cover (83) is set on described hexagon socket head cap screw (8).
2. Novel air cylinder according to claim 1, it is characterized in that: on described protecgulum (2), be fixed with and connect cover plate (21), on described protecgulum (2), be embedded with the dustproof composite rim (22) and the guide sleeve (23) that adapt with piston rod (5).
3. Novel air cylinder according to claim 1, is characterized in that: between described protecgulum (2) and cylinder barrel (1), between bonnet (3) and cylinder barrel (1), be provided with O type circle (9) between hexagon socket head cap screw (8) and bonnet (3).
4. Novel air cylinder according to claim 1, it is characterized in that: described piston rod (5) is fixedly connected with described piston (4) by hold-doun nut (53), between described hold-doun nut (53) and piston (4), be embedded with plain cushion (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410359492.3A CN104121249A (en) | 2014-07-25 | 2014-07-25 | Novel air cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410359492.3A CN104121249A (en) | 2014-07-25 | 2014-07-25 | Novel air cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104121249A true CN104121249A (en) | 2014-10-29 |
Family
ID=51766810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410359492.3A Pending CN104121249A (en) | 2014-07-25 | 2014-07-25 | Novel air cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104121249A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488138A (en) * | 2018-03-05 | 2018-09-04 | 宁波中天海德液压有限公司 | Hydraulic cylinder and preparation method thereof |
| CN113833713A (en) * | 2021-10-18 | 2021-12-24 | 浙江昊达气动科技有限公司 | Thin cylinder |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3249019A (en) * | 1964-06-12 | 1966-05-03 | Taylor Winfield Corp | Quick-acting multiple-force air cylinder |
| DE3700934A1 (en) * | 1987-01-15 | 1988-07-28 | Guenther Hahn | Hydraulic or pneumatic device |
| KR20080002159U (en) * | 2006-12-21 | 2008-06-25 | 한국 고덴시 주식회사 | A Cylinder having both ends stroke control means |
| CN201671906U (en) * | 2010-05-07 | 2010-12-15 | 宁波市爱托普气动液压有限公司 | Cylinder with variable pressure |
| CN202228462U (en) * | 2011-05-18 | 2012-05-23 | 宁波盛达阳光气动机械有限公司 | Cylindrical adjustable cylinder |
| CN202251215U (en) * | 2011-09-30 | 2012-05-30 | 奉化市鑫潮自动化元件有限公司 | Position regulating cylinder |
| CN202510823U (en) * | 2012-03-31 | 2012-10-31 | 恒一气动有限公司 | Cylinder special for butterfly valve |
| CN204003749U (en) * | 2014-07-25 | 2014-12-10 | 宁波索诺工业自控设备有限公司 | Novel air cylinder |
-
2014
- 2014-07-25 CN CN201410359492.3A patent/CN104121249A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3249019A (en) * | 1964-06-12 | 1966-05-03 | Taylor Winfield Corp | Quick-acting multiple-force air cylinder |
| DE3700934A1 (en) * | 1987-01-15 | 1988-07-28 | Guenther Hahn | Hydraulic or pneumatic device |
| KR20080002159U (en) * | 2006-12-21 | 2008-06-25 | 한국 고덴시 주식회사 | A Cylinder having both ends stroke control means |
| CN201671906U (en) * | 2010-05-07 | 2010-12-15 | 宁波市爱托普气动液压有限公司 | Cylinder with variable pressure |
| CN202228462U (en) * | 2011-05-18 | 2012-05-23 | 宁波盛达阳光气动机械有限公司 | Cylindrical adjustable cylinder |
| CN202251215U (en) * | 2011-09-30 | 2012-05-30 | 奉化市鑫潮自动化元件有限公司 | Position regulating cylinder |
| CN202510823U (en) * | 2012-03-31 | 2012-10-31 | 恒一气动有限公司 | Cylinder special for butterfly valve |
| CN204003749U (en) * | 2014-07-25 | 2014-12-10 | 宁波索诺工业自控设备有限公司 | Novel air cylinder |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488138A (en) * | 2018-03-05 | 2018-09-04 | 宁波中天海德液压有限公司 | Hydraulic cylinder and preparation method thereof |
| CN108488138B (en) * | 2018-03-05 | 2024-03-22 | 宁波中天海德液压有限公司 | Hydraulic cylinder and preparation method thereof |
| CN113833713A (en) * | 2021-10-18 | 2021-12-24 | 浙江昊达气动科技有限公司 | Thin cylinder |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141029 |