CN208997075U - A kind of route-variable multiposition stop cylinder - Google Patents
A kind of route-variable multiposition stop cylinder Download PDFInfo
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- CN208997075U CN208997075U CN201821729520.6U CN201821729520U CN208997075U CN 208997075 U CN208997075 U CN 208997075U CN 201821729520 U CN201821729520 U CN 201821729520U CN 208997075 U CN208997075 U CN 208997075U
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- piston
- cylinder barrel
- secondary piston
- attachment base
- front cover
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Abstract
The utility model discloses a kind of route-variable multiposition stop cylinders, including front cover, preceding cylinder barrel, first attachment base, middle cylinder barrel, second attachment base, cylinder barrel afterwards, rear cover, preceding cylinder barrel is formed with secondary piston chamber, secondary piston is intracavitary to be equipped with secondary piston, front cover is equipped with the air inlet being connected to secondary piston chamber, middle cylinder cylinder is formed with middle plunger shaft, middle piston is equipped in middle plunger shaft, cylinder barrel is formed with rear plunger shaft afterwards, rear piston is equipped in plunger shaft afterwards, after cover equipped with exhaust outlet, middle piston side is equipped with secondary piston bar, the middle piston other side is equipped with rear piston rod, secondary piston bar passes through secondary piston and stretches out in outside front cover, piston rod is protruded into rear plunger shaft across the second attachment base and is connect with rear piston afterwards, control chamber is formed between secondary piston and middle piston, first attachment base is equipped with the control mouth being connected to control chamber, it is equipped with and is slidingly connected in control chamber Spacer outside secondary piston bar.The utility model saves installation space, journey variable, more cost-effective and maintenance.
Description
Technical field
The utility model relates to pneumatic element technical field, in particular to a kind of route-variable multiposition stop cylinder.
Background technique
With the development of industrialized production, pneumatic system has been widely applied in a variety of production and processing systems, wherein gas
Cylinder is the important executive component in pneumatic system.
Cylinder carries out control executing agency during use, by piston rod stretching, in order to enable cylinder to drive
Executing agency forms several different location status, occurs multiposition stroke stop cylinder in the market, and multiposition stroke stops
Cylinder generally refers to the air cylinder group of two or more different trips, and multi-section stroke cylinder is needed to combine, and greatly occupies installation
Space, component is more, complex process, and stroke is fixed, and cannot change.
Summary of the invention
In view of the deficiencies of the prior art and defect, a kind of route-variable multiposition stop cylinder is provided, installation space is saved,
Journey variable, more cost-effective and maintenance.
To achieve the above object, the utility model provides following technical scheme.
A kind of route-variable multiposition stop cylinder, including front cover, preceding cylinder barrel, the first attachment base, middle cylinder barrel, the second connection
Seat, rear cylinder barrel, rear cover, front cover, preceding cylinder barrel, the first attachment base, middle cylinder barrel, the second attachment base, rear cylinder barrel, rear cover are successively fixed to be connected
It connects, preceding cylinder barrel is formed with secondary piston chamber, and secondary piston is intracavitary to be equipped with secondary piston, and front cover is equipped with the air inlet being connected to secondary piston chamber
Mouthful, middle cylinder cylinder is formed with middle plunger shaft, is equipped with middle piston in middle plunger shaft, and rear cylinder barrel is formed with rear plunger shaft, in rear plunger shaft
Equipped with rear piston, after cover the exhaust outlet for being equipped with and be connected to rear plunger shaft, equipped with secondary piston bar, middle piston is another for middle piston side
Side is equipped with rear piston rod, and secondary piston bar passes through secondary piston and stretches out in outside front cover, and rear piston rod passes through living after the second attachment base protrudes into
Fill in it is intracavitary connect with rear piston, form control chamber between secondary piston and middle piston, the first attachment base is equipped with and is connected to control chamber
Control mouth, the spacer being movably set in outside secondary piston bar is equipped in control chamber.
Further, front cover is fixedly connected by front tension bar with preceding cylinder barrel, and rear cover connects by the way that back stay and rear cylinder barrel are fixed
It connects.
Further, it is embedded with the preceding anticollision gasket with front cover match on secondary piston, is embedded on rear piston and matches with rear cover
The rear anti-crash gasket of conjunction.
Further, the sealing ring and wear ring with the cooperation of preceding cylinder barrel are embedded on secondary piston, be embedded on middle piston with
The sealing ring and wear ring of middle cylinder barrel cooperation are embedded with sealing ring and wear ring with the cooperation of rear cylinder barrel on rear piston.
Further, front cover is embedded with the guide sleeve being adapted with secondary piston bar.
Further, the dust-proof composite rim with the cooperation of secondary piston bar is embedded on secondary piston.
Further, between front cover and preceding cylinder barrel, between preceding cylinder barrel and the first attachment base, the first attachment base and middle cylinder barrel it
Between, between middle cylinder barrel and the second attachment base, between the second attachment base and rear cylinder barrel, between rear cylinder barrel and rear cover be respectively equipped with sealing
Circle.
The utility model has the following beneficial effects: the cylinder of the utility model, in use, air inlet and exhaust outlet simultaneously into
Gas when inlet charge, pushes secondary piston to be moved to and offsets with the first attachment base, secondary piston is limited, exhaust outlet air inlet,
Piston is mobile after promotion, and piston rod is mobile after rear piston driving, and rear piston rod is stretched out by the way that middle piston driving secondary piston bar is mobile,
Piston is moved in the middle when offseting with spacer, be will push spacer and is offseted with secondary piston, thus by spacer and middle piston limit, at this time
Secondary piston bar no longer stretches out, and when needing to adjust the stroke of secondary piston, air inlet is made to stop air inlet, and exhaust outlet continues air inlet, this
When secondary piston no longer limit, middle piston pushes secondary piston mobile by spacer so that secondary piston bar continue it is protruding, directly
It offsets to middle piston with the first attachment base, so that there are two types of strokes for secondary piston bar tool, when piston rod needs to retract, control
Mouth air inlet, so that piston drives secondary piston bar to live with rear to the movement of the second attachment base direction, when middle piston is mobile in pushing
Stopper rod retracts.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
In figure, 1. front covers；Cylinder barrel before 2.；3. the first attachment base；Cylinder barrel in 4.；5. the second attachment base；6. rear cylinder barrel；After 7.
Lid；8. secondary piston；9. secondary piston chamber；Piston in 10.；Plunger shaft in 11.；Piston after 12.；Plunger shaft after 13.；14. secondary piston
Bar；Piston rod after 15.；16. air inlet；17. exhaust outlet；18. control mouth；Anticollision gasket before 19.；20. rear anti-crash gasket；21.
Guide sleeve；22. dust-proof composite rim.
Specific embodiment
The utility model is further illustrated in conjunction with attached drawing.
A kind of route-variable multiposition stop cylinder shown in Figure 1, including front cover 1, preceding cylinder barrel 2, the first attachment base
3, middle cylinder barrel 4, the second attachment base 5, rear cylinder barrel 6, rear cover 7, front cover 1, preceding cylinder barrel 2, the first attachment base 3, middle cylinder barrel 4, second connect
Joint chair 5, rear cylinder barrel 6, rear cover 7 are fixedly connected sequentially, and front cover 1 is fixedly connected by front tension bar with preceding cylinder barrel 2, after rear cover 7 passes through
Pull rod is fixedly connected with rear cylinder barrel 6, between front cover 1 and preceding cylinder barrel 2, between preceding cylinder barrel 2 and the first attachment base 3, the first attachment base 3
Between middle cylinder barrel 4, between middle cylinder barrel 4 and the second attachment base 5, between the second attachment base 5 and rear cylinder barrel 6, rear cylinder barrel 6 and rear cover
Sealing ring is respectively equipped between 7, to guarantee that leakproofness is good, gas is not easy to reveal.
Preceding cylinder barrel 2 is formed with secondary piston chamber 9, and secondary piston 8 is equipped in secondary piston chamber 9, and front cover 1 is equipped with and secondary piston chamber 9
The air inlet 16 of connection, middle cylinder barrel 4 are formed with middle plunger shaft 11, and middle piston 10, the rear formation of cylinder barrel 6 are equipped in middle plunger shaft 11
There is rear plunger shaft 13, rear piston 12 is equipped in rear plunger shaft 13, rear cover 7 is equipped with the exhaust outlet 17 being connected to rear plunger shaft 13,
Middle 10 side of piston is equipped with secondary piston bar 14, and middle 10 other side of piston is equipped with rear piston rod 15, and secondary piston bar 14 passes through secondary piston 8
It stretches out in outside front cover 1, is flexibly connected between secondary piston 8 and secondary piston bar 14, rear piston rod 15 passes through after the second attachment base 5 protrudes into
It is connect in plunger shaft 13 with rear piston 12, rear piston 12 is fixedly connected with rear piston rod 15, and secondary piston bar 14, rear piston rod 15 divide
It is not fixedly connected with middle piston 10, forms control chamber between secondary piston 8 and middle piston 10, the first attachment base 3 is equipped with and control
The control mouth 18 of chamber connection, control chamber is interior to be equipped with the spacer 23 being movably set in outside secondary piston bar 14, and spacer 23 is located at secondary piston 8
Between middle piston 10.
The cylinder of the utility model, in use, air inlet 16 and the air inlet simultaneously of exhaust outlet 17,16 air inlet of air inlet enter
In secondary piston chamber 9, air pressure increase pushes secondary piston 8 to be moved to and offsets with the first attachment base 3 in secondary piston chamber 9, by secondary piston 8
Limit, 17 air inlet of exhaust outlet enter in rear plunger shaft 13, and piston 12 is mobile after air pressure increase pushes in rear plunger shaft 13, rear piston
Piston rod 15 is mobile after 12 drives, and rear piston rod 15 drives the mobile stretching of secondary piston bar 14 by middle piston 10, in the middle piston 10
It is moved to when offseting with spacer 23, will push spacer 23 and offset with secondary piston 8, since secondary piston 8 is in limit state at this time, from
And limit spacer 23 and middle piston 10, secondary piston bar 14 no longer stretches out at this time, during middle piston 10 is mobile, middle plunger shaft
Gas in 11 is discharged from control mouth 18, when needing to adjust the stroke of secondary piston 8, air inlet 16 is made to stop air inlet, exhaust outlet
17 continue air inlet, and when air inlet 16 stops air inlet, secondary piston 8 is no longer limited, and secondary piston 8 can be mobile relative to secondary piston bar 14, in
Piston 10 pushes secondary piston 8 mobile by spacer 23 so that secondary piston bar 14 continue it is protruding, until middle piston 10 with
First attachment base 3 offsets, so that there are two types of strokes for the tool of secondary piston bar 14, gas when secondary piston 8 is mobile, in secondary piston 8
It is discharged from air inlet 16, when piston rod needs to retract, 18 air inlet of control mouth, gas enters in control chamber, air pressure in control chamber
Increase to which piston 10 is mobile to 5 direction of the second attachment base in promotion, 14 He of secondary piston bar is driven when middle piston 10 is mobile
Piston rod 15 retracts afterwards, and exhaust outlet 17 is vented at this time, while will push 8 front cover of secondary piston, 1 institute when air pressure increase in control chamber
Mobile in direction, air inlet 16 is vented at this time.The utility model structure is simple, small volume, saves installation space, stroke can
Become, and does not need to increase external device, more saving production cost and maintenance cost.
Further, front cover is embedded with the guide sleeve 21 being adapted with secondary piston bar, and guide sleeve 21 is past to secondary piston bar
Multiple movement plays the role of guiding, ensure that the concentricity of secondary piston bar movement, is embedded on secondary piston 8 and cooperates with front cover 1
Preceding anticollision gasket 19, the rear anti-crash gasket 20 cooperated with rear cover 7 is embedded on rear piston 12, by preceding anticollision gasket 19 and after
Anticollision gasket 20 prevents from sending out because of collision so that secondary piston 8 and rear piston 12 play the role of buffering in the process of moving
Raw abrasion, while spacer 23 is also made of nylon material, and when making its movement, direct metal strike will not occur.Secondary piston 8
On be embedded with sealing ring and wear ring with the cooperation of preceding cylinder barrel 2, be embedded on middle piston 10 with the sealing ring of middle cylinder barrel 4 cooperation and
Wear ring, being embedded on rear piston 12 makes secondary piston by increasing wear ring with the sealing ring and wear ring of the cooperation of rear cylinder barrel 6
8, middle piston 10 and rear piston 12 are not easy to deflect because of abrasion, extend the service life of cylinder, are embedded on secondary piston 8
The dust-proof composite rim 22 cooperated with secondary piston bar 14, prevents dust from entering in cylinder, influences cylinder using effect.
The above description is only a preferred embodiment of the present invention, therefore all according to described in the utility model patent application range
The equivalent change or modification done of structure, feature and principle, be included in the scope of the utility model patent application.
Claims (7)
1. a kind of route-variable multiposition stop cylinder, it is characterised in that: including front cover (1), preceding cylinder barrel (2), the first attachment base
(3), middle cylinder barrel (4), the second attachment base (5), rear cylinder barrel (6), rear cover (7), front cover (1), preceding cylinder barrel (2), the first attachment base
(3), middle cylinder barrel (4), the second attachment base (5), rear cylinder barrel (6), rear cover (7) are fixedly connected sequentially, and preceding cylinder barrel (2) is formed with preceding work
It fills in chamber (9), is equipped with secondary piston (8) in secondary piston chamber (9), front cover (1) is equipped with the air inlet being connected to secondary piston chamber (9)
(16), middle cylinder barrel (4) is formed with middle plunger shaft (11), is equipped with middle piston (10) in middle plunger shaft (11), and rear cylinder barrel (6) is formed
Have rear plunger shaft (13), be equipped with rear piston (12) in rear plunger shaft (13), rear cover (7) is equipped with to be connected to rear plunger shaft (13)
Exhaust outlet (17), middle piston (10) side are equipped with secondary piston bar (14), and middle piston (10) other side is equipped with rear piston rod (15), preceding
Piston rod (14) passes through secondary piston (8) and stretches out in front cover (1) outside, and rear piston rod (15) passes through living after the second attachment base (5) are protruded into
It is connect in plug chamber (13) with rear piston (12), forms control chamber, the first attachment base (3) between secondary piston (8) and middle piston (10)
It is equipped with the control mouth (18) being connected to control chamber, is equipped in control chamber and is movably set in the spacer of secondary piston bar (14) outside
(23).
2. a kind of route-variable multiposition stop cylinder according to claim 1, it is characterised in that: before front cover (1) passes through
Pull rod is fixedly connected with preceding cylinder barrel (2), and rear cover (7) is fixedly connected by back stay with rear cylinder barrel (6).
3. a kind of route-variable multiposition stop cylinder according to claim 1, it is characterised in that: it is embedding on secondary piston (8)
Equipped with the preceding anticollision gasket (19) cooperated with front cover (1), the rear anti-crash gasket with rear cover (7) cooperation is embedded on rear piston (12)
(20).
4. a kind of route-variable multiposition stop cylinder according to claim 1, it is characterised in that: it is embedding on secondary piston (8)
Equipped with the sealing ring and wear ring cooperated with preceding cylinder barrel (2), the sealing ring with middle cylinder barrel (4) cooperation is embedded on middle piston (10)
And wear ring, the sealing ring and wear ring with rear cylinder barrel (6) cooperation are embedded on rear piston (12).
5. a kind of route-variable multiposition stop cylinder according to claim 1, it is characterised in that: front cover (1) is embedded with
The guide sleeve (21) being adapted with secondary piston bar (14).
6. a kind of route-variable multiposition stop cylinder according to claim 1, it is characterised in that: it is embedding on secondary piston (8)
Equipped with the dust-proof composite rim (22) cooperated with secondary piston bar (14).
7. a kind of route-variable multiposition stop cylinder according to claim 1, it is characterised in that: front cover (1) and preceding cylinder
Between cylinder (2), between preceding cylinder barrel (2) and the first attachment base (3), between the first attachment base (3) and middle cylinder barrel (4), middle cylinder barrel (4)
It is set respectively between the second attachment base (5), between the second attachment base (5) and rear cylinder barrel (6), between rear cylinder barrel (6) and rear cover (7)
There is sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821729520.6U CN208997075U (en) | 2018-10-24 | 2018-10-24 | A kind of route-variable multiposition stop cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821729520.6U CN208997075U (en) | 2018-10-24 | 2018-10-24 | A kind of route-variable multiposition stop cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208997075U true CN208997075U (en) | 2019-06-18 |
Family
ID=66805619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821729520.6U Active CN208997075U (en) | 2018-10-24 | 2018-10-24 | A kind of route-variable multiposition stop cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208997075U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113682890A (en) * | 2021-08-30 | 2021-11-23 | 福建立华智造科技有限公司 | Single cylinder bobbin cradle lifting device |
-
2018
- 2018-10-24 CN CN201821729520.6U patent/CN208997075U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113682890A (en) * | 2021-08-30 | 2021-11-23 | 福建立华智造科技有限公司 | Single cylinder bobbin cradle lifting device |
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