CN202348825U - Double-stroke cylinder - Google Patents
Double-stroke cylinder Download PDFInfo
- Publication number
- CN202348825U CN202348825U CN2011204805923U CN201120480592U CN202348825U CN 202348825 U CN202348825 U CN 202348825U CN 2011204805923 U CN2011204805923 U CN 2011204805923U CN 201120480592 U CN201120480592 U CN 201120480592U CN 202348825 U CN202348825 U CN 202348825U
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- cylinder
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- cavity
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Abstract
The utility model relates to the technical field of cylinder devices, in particular to a double-stroke cylinder. The double-stroke cylinder comprises a first front end cover, a rear end cover and an outer cylinder arranged between the first front end cover and the rear end cover, wherein a first piston and an inner cylinder are arranged in the outer cylinder; one end of the inner cylinder is fixed on the first piston, and the other end of the inner cylinder extends from the first front end cover; a bearing is arranged between the outer wall of the inner cylinder and the first front end cover; a second front end cover is arranged in a port of the outer end of the inner cylinder; a second piston and a piston rod are arranged in the inner cylinder; one end of the piston rod is fixed on the second piston, and the other end of the piston rod extends from the second front end cover; and a bearing is arranged between the outer wall of the piston rod and the second front end cover. According to the double-stroke cylinder, a two-stage cylinder is adopted, so that the double stroke is realized, the compression stroke is greatly prolonged, and the application field and the application range of the double-stroke cylinder are further extended.
Description
Technical field
The utility model relates to the cylinder assembly technical field, particularly a kind of double stroke cylinder.
Background technique
Cylinder is with its variable-length, and is easy to operate, particularly effectively accomplishes straight line motion, in all trades and professions, is used widely.Existing cylinder mainly is made up of piston, piston rod and cylinder block, and piston is located in the cylinder block, and piston rod one end is connected with piston.Existing cylinder is generally the one-stroke setting, and compression and movement travel are limited, have greatly limited cylinder application area and application, and be particularly limited at installing space, but just needs the occasion of longer stroke.So be necessary existing air cylinder structure to be improved, further improve the practicability of product cylinder with the space.
The model utility content
The purpose of the utility model is defective and the deficiency to existing technology, and a kind of simple in structure, easy to operate and double stroke cylinder that fabricating cost is low is provided.
For realizing above-mentioned purpose, the utility model adopts following technological scheme:
The described a kind of double stroke cylinder of the utility model; Comprise front cover one; Rear end cover and be located at the outside cylinder between front cover one and the rear end cover is provided with piston one and inside cylinder in the said outside cylinder, said inside cylinder one end is fixed on the piston one; The other end stretches out outside the front cover one, is provided with bearing between said inside cylinder outer wall and the front cover one; Be provided with front cover two in the port of said inside cylinder outer end, be provided with piston two and piston rod in the inside cylinder, said piston rod one end is fixed on the piston two, and the other end stretches out outside the front cover two, is provided with bearing between said piston rod outer wall and the front cover two; Said front cover one is provided with gas port one and pore one, and the cylinder wall of said inside cylinder is provided with pore two, and said pore one is communicated with gas port one and outside cylinder inner chamber, and said pore two is communicated with gas port one and inside cylinder inner chamber; Said rear end cover is provided with gas port two and cavity one, is provided with cavity two in the said piston one, and cavity 2 11 connects piston one 10 both sides; The lateral cross section of said cavity one is long-pending long-pending greater than cavity two lateral cross section, said cavity two, and cavity one and gas port two are communicated with.
Further, be provided with dust ring between said inside cylinder outer wall and the front cover one, said dust ring is located at the bearing outside.
Further, be provided with dust ring between said piston rod outer wall and the front cover two, said dust ring is located at the bearing outside.
Further, said piston one outer wall is provided with guide sleeve and C RunddichtringO, and said C RunddichtringO is located at side near outside cylinder inner chamber one side.
Further: said piston two outer walls are provided with guide sleeve and C RunddichtringO, and said C RunddichtringO is located at side near inside cylinder inner chamber one side.
After adopting said structure; The utility model beneficial effect is: be provided with piston one in the said outside cylinder of the utility model; Be provided with piston two in the said inside cylinder, said piston rod one end is fixedly connected with piston 2, and the piston rod the other end stretches out outside the inside cylinder; Said inside cylinder one end piston one is fixedly connected, and the inside cylinder the other end stretches out outside the outside cylinder.Be that the utility model adopts two stage compression, realize double-stroke, greatly prolong compression stroke, further widened the application and the application area of the utility model.
Description of drawings
Fig. 1 is the overall structure schematic representation of the utility model.
Among the figure:
1, piston rod; 2, dust ring; 3, front cover two; 4, pore two;
5, gas port one; 6, pore one; 7, inside cylinder; 8, outside cylinder;
9, piston two; 10, piston one; 11, cavity 2 12 cavitys one;
13, gas port two; 14, rear end cover; 15, guide sleeve; 16, C RunddichtringO;
17, bearing; 18, front cover one; 19, O RunddichtringO.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As shown in Figure 1; The described a kind of double stroke cylinder of the utility model comprises front cover 1, rear end cover 14 and be located at front cover 1 and rear end cover 14 between outside cylinder 8; Be provided with piston 1 and inside cylinder 7 in the said outside cylinder 8, said inside cylinder 7 one ends are fixed on the piston 1.For outside cylinder 8, the effect of inside cylinder 7 performance piston rods also is an inside cylinder 7, and piston 1 and outside cylinder 8 form the one-level cylinder of the utility model.
Between said front cover 1 and the outside cylinder 8, be equipped with O RunddichtringO 19 between rear end cover 14 and the outside cylinder 8, to increase the tightness of the utility model.Be provided with dust ring 2 and bearing 17 between said inside cylinder 7 outer walls and the front cover 1, said dust ring 2 is located at bearing 17 outsides.Said dust ring 2 is mainly used in and prevents that dust from getting in the utility model; Said bearing 17 is convenient to inside cylinder 7 realizations and is horizontally slipped.Said piston one 10 outer walls are provided with guide sleeve 15 and C RunddichtringO 16, and said C RunddichtringO 16 is located at side near outside cylinder 8 inner chambers one side.Guide sleeve 15 plays the effect into piston one 10 guiding, and being convenient to piston 1 can the smooth sliding operation.C RunddichtringO 16 mainly is to increase the tightness of the utility model.
Said inside cylinder 7 the other ends stretch out outside the front cover 1, are provided with front cover 23 in the said inside cylinder 7 outer end ports, are provided with piston rod 1 in the inside cylinder 7, and said piston rod 1 one ends are fixed on the piston 29, and the other end stretches out outside the front cover 23.For piston rod 1, the effect of said inside cylinder 7 performance cylinders also is the secondary cylinder that piston rod 1 and inside cylinder 7 form the utility model.
Be provided with bearing 17 and dust ring 2 between said piston rod 1 outer wall and the front cover 23, said dust ring 2 is located at bearing 17 outsides.Said dust ring 2 is mainly used in and prevents that dust from getting in the utility model; Said bearing 17 is convenient to inside cylinder 7 realizations and is horizontally slipped.Said piston 29 outer walls are provided with guide sleeve 15 and C RunddichtringO 16, and said C RunddichtringO 16 is located at side near inside cylinder 7 inner chambers one side.Guide sleeve 15 plays the effect into piston 29 guiding, and being convenient to piston 29 can the smooth sliding operation.C RunddichtringO 16 mainly is to increase the tightness of the utility model.
Said front cover 1 is provided with gas port 1 and pore 1, and the cylinder wall of said inside cylinder 7 is provided with pore 24, and said pore 1 is communicated with gas port 1 and outside cylinder 8 inner chambers, and said pore 24 is communicated with gas port 1 and inside cylinder 7 inner chambers; Said rear end cover 14 is provided with gas port 2 13 and cavity 1, is provided with cavity 2 11 in the said piston 1, and cavity 2 11 connects piston one 10 both sides; The lateral cross section of said cavity 1 is long-pending long-pending greater than cavity 2 11 lateral cross section, said cavity 2 11, and cavity 1 and gas port 2 13 are communicated with.
Working principle:
Originally, the utility model is in compressive state, in gas port 2 13, feeds gas; Cavity 1 and cavity 2 11 internal pressures raise, and are long-pending long-pending greater than cavity 2 11 lateral cross section because of cavity one 12 lateral cross section, act on pressure on the piston 1 greater than the pressure that acts on piston 29; So promoting piston 1 and inside cylinder 7 earlier is moved to the left; When piston 1 contacted with front cover 1, the utility model one-level cylinder stretched out and finishes, and air pressure promotes piston 29 again and piston rod 1 is moved to the left; Contact with front cover 23 until piston 29, the utility model secondary cylinder stretches and finishes.During compression, feed gas to gas port 1, gas gets into outside cylinder 8 inner chambers through pore 1 earlier; Gas promotes piston 1 and moves right, and contacts with rear end cover 14 until piston 1, and the compression of one-level cylinder finishes; Back gas gets into inside cylinder 7 inner chambers through pore 24 again, and gas promotes piston 29 and piston rod 1 moves right, and contacts with piston 1 until piston 29; The secondary cylinder compression finishes, and whole stroke finishes.
The utility model adopts the two-stage cylinder, realizes double-stroke, greatly prolongs compression stroke, has further widened the application and the application area of the utility model.
The above only is the preferred embodiments of the utility model, so all equivalences of doing according to the described structure of the utility model patent claim, characteristic and principle change or modify, includes in the utility model patent claim.
Claims (5)
1. double stroke cylinder; Comprise front cover one (18); Rear end cover (14) and be located at front cover one (18) and rear end cover (14) between outside cylinder (8), it is characterized in that: be provided with piston one (10) and inside cylinder (7) in the said outside cylinder (8), said inside cylinder (7) one ends are fixed on the piston one (10); The other end stretches out outside the front cover one (18), is provided with bearing (17) between said inside cylinder (7) outer wall and the front cover one (18); Be provided with front cover two (3) in the port of said inside cylinder (7) outer end; Be provided with piston two (9) and piston rod (1) in the inside cylinder (7); Said piston rod (1) one end is fixed on the piston two (9); The other end stretches out outside the front cover two (3), is provided with bearing (17) between said piston rod (1) outer wall and the front cover two (3); Said front cover one (18) is provided with gas port one (5) and pore one (6); The cylinder wall of said inside cylinder (7) is provided with pore two (4); Said pore one (6) is communicated with gas port one (5) and outside cylinder (8) inner chamber, and said pore two (4) is communicated with gas port one (5) and inside cylinder (7) inner chamber; Said rear end cover (14) is provided with gas port two (13) and cavity one (12), is provided with cavity two (11) in the said piston one (10), and cavity two (11) connects piston one (10) both sides; The lateral cross section of said cavity one (12) is long-pending long-pending greater than cavity two (11) lateral cross section, said cavity two (11), and cavity one (12) and gas port two (13) are communicated with.
2. double stroke cylinder according to claim 1 is characterized in that: be provided with dust ring (2) between said inside cylinder (7) outer wall and the front cover one (18), said dust ring (2) is located at bearing (17) outside.
3. double stroke cylinder according to claim 1 is characterized in that: be provided with dust ring (2) between said piston rod (1) outer wall and the front cover two (3), said dust ring (2) is located at bearing (17) outside.
4. double stroke cylinder according to claim 1 is characterized in that: said piston one (10) outer wall is provided with guide sleeve (15) and C RunddichtringO (16), and said C RunddichtringO (16) is located at side near outside cylinder (8) inner chamber one side.
5. double stroke cylinder according to claim 1 is characterized in that: said piston two (9) outer walls are provided with guide sleeve (15) and C RunddichtringO (16), and said C RunddichtringO (16) is located at side near inside cylinder (7) inner chamber one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204805923U CN202348825U (en) | 2011-11-28 | 2011-11-28 | Double-stroke cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204805923U CN202348825U (en) | 2011-11-28 | 2011-11-28 | Double-stroke cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202348825U true CN202348825U (en) | 2012-07-25 |
Family
ID=46537832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204805923U Expired - Fee Related CN202348825U (en) | 2011-11-28 | 2011-11-28 | Double-stroke cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202348825U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104692309A (en) * | 2015-03-02 | 2015-06-10 | 侯如升 | Objective table push component of pneumatic filling machine |
| CN104791324A (en) * | 2015-04-16 | 2015-07-22 | 佛山市金凯地过滤设备有限公司 | Presser two-level type oil cylinder device |
| CN104791321A (en) * | 2015-04-16 | 2015-07-22 | 佛山市金凯地过滤设备有限公司 | Pressure quantitative conducted oil port structure of presser oil cylinder device |
| CN106460885A (en) * | 2014-05-23 | 2017-02-22 | Ｋｙｂ株式会社 | Cylinder device |
| CN108547828A (en) * | 2018-07-11 | 2018-09-18 | 无锡气动技术研究所有限公司 | The two-way tape that can be horizontally mounted carries multi-stage cylinder |
-
2011
- 2011-11-28 CN CN2011204805923U patent/CN202348825U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106460885A (en) * | 2014-05-23 | 2017-02-22 | Ｋｙｂ株式会社 | Cylinder device |
| CN104692309A (en) * | 2015-03-02 | 2015-06-10 | 侯如升 | Objective table push component of pneumatic filling machine |
| CN104791324A (en) * | 2015-04-16 | 2015-07-22 | 佛山市金凯地过滤设备有限公司 | Presser two-level type oil cylinder device |
| CN104791321A (en) * | 2015-04-16 | 2015-07-22 | 佛山市金凯地过滤设备有限公司 | Pressure quantitative conducted oil port structure of presser oil cylinder device |
| CN104791321B (en) * | 2015-04-16 | 2017-09-26 | 佛山市金凯地过滤设备有限公司 | A kind of oil port structure of the metered dose conducting of squeezer cylinder apparatus |
| CN108547828A (en) * | 2018-07-11 | 2018-09-18 | 无锡气动技术研究所有限公司 | The two-way tape that can be horizontally mounted carries multi-stage cylinder |
| CN108547828B (en) * | 2018-07-11 | 2024-01-02 | 无锡气动技术研究所有限公司 | Bidirectional on-load multistage cylinder capable of being horizontally installed |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20171128 |