CN206054436U - A kind of stroke adjustable dual-head cylinder - Google Patents
A kind of stroke adjustable dual-head cylinder Download PDFInfo
- Publication number
- CN206054436U CN206054436U CN201621019959.0U CN201621019959U CN206054436U CN 206054436 U CN206054436 U CN 206054436U CN 201621019959 U CN201621019959 U CN 201621019959U CN 206054436 U CN206054436 U CN 206054436U
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- CN
- China
- Prior art keywords
- piston
- piston bar
- protecgulum
- bar
- screw rod
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Abstract
The utility model discloses a kind of stroke adjustable dual-head cylinder, including cylinder body, protecgulum, bonnet, First piston bar, second piston bar and piston, protecgulum and bonnet are fixedly connected on cylinder body two ends by lock screw respectively, protecgulum and after cover and be respectively equipped with the pore connected with cylinder interior, piston is arranged in cylinder body, First piston bar first end stretches out in protecgulum, the second end of second piston bar stretches out in bonnet, also include screw rod, tapped through hole is provided with the middle part of piston, screw rod is coordinated with tapped through hole screw thread, it is connected with the threaded one end of screw rod in the installation portion of the second end insertion piston side of First piston bar, it is threadedly coupled with the other end of screw rod in the installation portion of the first end insertion piston opposite side of second piston bar.This utility model solves the coaxial assembly problem of First piston bar and second piston bar and piston, can be by rotating First piston bar and second piston bar be adjusted to its stroke respectively, and assembling is simple, and easy to adjust, use range is wider.
Description
Technical field
This utility model is related to cylinder technical field, more particularly to a kind of stroke adjustable dual-head cylinder.
Background technology
Cylinder is a kind of pneumatic apparatus, and a kind of compact cylinder as disclosed in CN202991694U, its structure include
Cylinder body, is provided with protecgulum in front of the cylinder body, piston rod is provided with the cylinder body, and the rear end of the piston rod connects piston,
There is rear end cap at cylinder body rear by hydraulic riveting, is provided with wear ring between the piston and inboard wall of cylinder block.The compact cylinder
As front and rear cover structure is limited, the stroke distances of piston rod are affected, and piston rod stroke is non-adjustable, the scope of application and use
All limited to.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, there is provided a kind of stroke adjustable dual-head cylinder, piston
Two ends are threadedly coupled with First piston bar and second piston bar respectively by screw rod, are not only solved First piston bar and second and are lived
Stopper rod and the coaxial assembly problem of piston, can also pass through to rotate First piston bar and second piston bar to carry out its stroke respectively
Adjust, assembling is simple, and easy to adjust, use range is wider.
To solve the above problems, this utility model provides technical scheme below：
A kind of stroke adjustable dual-head cylinder, including cylinder body, protecgulum, bonnet, First piston bar, second piston bar and piston,
Protecgulum and bonnet are fixedly connected on cylinder body two ends by lock screw respectively, protecgulum and after cover and be respectively equipped with and cylinder interior connects
Logical pore, piston are arranged in cylinder body, and First piston bar first end stretches out in protecgulum, after the second end of second piston bar stretches out in
Lid, also including screw rod, is provided with tapped through hole in the middle part of piston, screw rod is coordinated with tapped through hole screw thread, and piston two ends are extended with difference
The installation portion coordinated with First piston bar and second piston bar, screw rod two ends are located in installation portion after stretching out in tapped through hole
Centre, the second end of First piston bar are provided with the connecting portion coordinated with screw flight, the second end insertion piston one of First piston bar
It is connected with the threaded one end of screw rod in the installation portion of side, the first end of second piston bar is provided with the connection coordinated with screw flight
Portion, is threadedly coupled with the other end of screw rod in the installation portion of the first end insertion piston opposite side of second piston bar.
Wherein, protecgulum and after be covered with the containing cavity matched with the installation portion of piston both sides respectively, the containing cavity of protecgulum
The bushing coordinated with First piston bar and the bumper ring coordinated with piston side installation portion are provided with inside, the accommodating intracavity of bonnet is provided with
The bushing coordinated with second piston bar and the bumper ring coordinated with piston opposite side installation portion.
Further, it is front be covered with First piston bar coordinate dust ring, after be covered with and second piston bar coordinate
Dust ring, is provided with O-ring seals between First piston bar and piston and between second piston bar and piston, protecgulum and cylinder body it
Between and bonnet and cylinder body between be provided with O-ring seals.Piston is provided with the y-shaped ring and wear ring coordinated with inboard wall of cylinder block.
The external part of First piston bar and second piston bar is respectively equipped with adjusting nut.
Beneficial effect：This utility model is fixedly connected protecgulum and bonnet by lock screw at cylinder body two ends, and in protecgulum
Setting pore is covered with after, is maximized can piston stroke in the cylinder body and be played, screw rod is threadedly coupled in the middle part of piston, and is being lived
Plug two ends are threadedly coupled with First piston bar and second piston bar respectively by screw rod, not only solve First piston bar and second
Piston rod and the coaxial assembly problem of piston, can also pass through to rotate First piston bar and second piston bar to enter its stroke respectively
Row is adjusted, and assembling is simple, and easy to adjust, use range is wider, in addition protecgulum and after cover and be respectively provided with and piston both sides
The containing cavity that installation portion coordinates, and the bumper ring coordinated with piston installation portion is set in accommodating intracavity, piston can be made near front
Lid plays cushioning effect during bonnet, can not only reduce piston with protecgulum and bonnet impact noise, moreover it is possible to avoid piston both sides with
Protecgulum and bonnet form back pressure, and its control is sensitiveer, and service life is longer.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Description of reference numerals：1st, dust ring；2nd, protecgulum；3rd, bushing；4th, bumper ring；5th, 9, O-ring seals；6th, cylinder body；7、Y
Shape sealing ring；8th, wear ring；10th, second piston bar；11st, bonnet；12nd, adjusting nut；13rd, screw rod；14th, piston；15th, locking screw
Silk；16th, First piston bar.
Specific embodiment
With reference to Figure of description and embodiment, specific embodiment of the utility model is described in further detail：
With reference to shown in Fig. 1, a kind of stroke adjustable dual-head cylinder, including cylinder body 6, protecgulum 2, bonnet 11, First piston bar 16,
Second piston bar 10 and piston 14, protecgulum 2 and bonnet 11 are fixedly connected on 6 two ends of cylinder body, protecgulum 2 by lock screw 15 respectively
With the pore being respectively equipped with bonnet 11 with connect inside cylinder body 6, piston 14 is arranged in cylinder body 6, First piston bar 16 first
End stretches out in protecgulum 2, and 10 second end of second piston bar stretches out in bonnet 11, also including screw rod 13, is provided with screw thread in the middle part of piston 14
Through hole, screw rod 13 are coordinated with tapped through hole screw thread, 14 two ends of piston be extended with respectively with First piston bar 16 and second piston bar
10 installation portions for coordinating, 13 two ends of screw rod stretch out in the central authorities that installation portion is located at after tapped through hole, and the second of First piston bar 16
End is provided with the connecting portion coordinated with 13 screw thread of screw rod, in the installation portion of the second end insertion piston 14 side of First piston bar 16 with
The threaded one end connection of screw rod 13, the first end of second piston bar 10 are provided with the connecting portion coordinated with 13 screw thread of screw rod, and second lives
It is threadedly coupled with the other end of screw rod 13 in the installation portion of first end insertion 14 opposite side of piston of stopper rod 10.
To solve the sealing between each part and wear-resisting problem, it is provided with dust-proof with what First piston bar 16 coordinated in protecgulum 2
Circle, bonnet 11 are provided with the dust ring 1 coordinated with second piston bar 10, between First piston bar 16 and piston 14 and second piston
O-ring seals 9 are provided between bar 10 and piston 14, O shapes are provided between protecgulum 2 and cylinder body 6 and between bonnet 11 and cylinder body 6 close
Seal 5.Piston 14 is provided with the y-shaped ring 7 and wear ring 8 coordinated with 6 inwall of cylinder body.First piston bar 16 and second piston bar
10 external part is respectively equipped with adjusting nut 12.
This utility model is fixedly connected protecgulum 2 and bonnet 11 by lock screw 15 at 6 two ends of cylinder body, and in 2 He of protecgulum
Pore is set on bonnet 11, maximizes can the stroke in the cylinder body 6 of piston 14 and play, screw rod is threadedly coupled in the middle part of piston 14
13, and be threadedly coupled with First piston bar 16 and second piston bar 10 by screw rod 13 respectively at 14 two ends of piston, not only solve
The coaxial assembly problem of First piston bar 16 and second piston bar 10 and piston 14, can also be by rotating First piston bar 16 He
, be adjusted to its stroke respectively, assembling is simple, and easy to adjust, use range is wider for second piston bar 10.
Wherein, protecgulum 2 and bonnet 11 are provided with the containing cavity matched with the installation portion of 14 both sides of piston respectively, protecgulum 2
Accommodating intracavity is provided with the bushing 3 coordinated with First piston bar 16 and the bumper ring 4 coordinated with 14 side installation portion of piston, bonnet 11
Accommodating intracavity be provided with second piston bar 10 coordinate bushing 3 and with 14 opposite side installation portion of piston coordinate bumper ring 4, delay
Punching circle 4 can make piston 14 playing cushioning effect near protecgulum 2 or during bonnet 11, can not only reduce piston 14 and protecgulum 2 and after
11 impact noise of lid, moreover it is possible to avoid 14 both sides of piston from forming back pressure, its sensitiveer, service life of control with protecgulum 2 and bonnet 11
It is longer.
The above, is only preferred embodiment of the present utility model, not technical scope of the present utility model is taken the post as
What limits, therefore every any trickle amendment above example made according to technical spirit of the present utility model, equivalent variations
With modification, still fall within the range of the technical solution of the utility model.
Claims (5)
1. a kind of stroke adjustable dual-head cylinder, including cylinder body, protecgulum, bonnet, First piston bar, second piston bar and piston, it is front
Lid and bonnet are fixedly connected on cylinder body two ends by lock screw respectively, protecgulum and after cover to be respectively equipped with and connect with cylinder interior
Pore, piston is arranged in cylinder body, and First piston bar first end stretches out in protecgulum, after the second end of second piston bar stretches out in
Lid, it is characterised in that：Also include screw rod, in the middle part of piston, be provided with tapped through hole, screw rod is coordinated with tapped through hole screw thread, piston two ends
The installation portion for coordinating with First piston bar and second piston bar respectively is extended with, screw rod two ends are located at peace after stretching out in tapped through hole
The central authorities in dress portion, the second end of First piston bar are provided with the connecting portion coordinated with screw flight, and the second end of First piston bar is inserted
It is connected with the threaded one end of screw rod in the installation portion for entering piston side, the first end of second piston bar is provided with and is coordinated with screw flight
Connecting portion, second piston bar first end insertion piston opposite side installation portion in is threadedly coupled with the other end of screw rod.
2. a kind of stroke adjustable dual-head cylinder according to claim 1, it is characterised in that：Protecgulum and after be covered with and respectively
The containing cavity that the installation portion of piston both sides matches, the accommodating intracavity of protecgulum be provided with the bushing that coordinates with First piston bar and with work
The bumper ring that plug side installation portion coordinates, the accommodating intracavity of bonnet are provided with the bushing that coordinates with second piston bar and another with piston
The bumper ring that side installation portion coordinates.
3. a kind of stroke adjustable dual-head cylinder according to claim 1, it is characterised in that：Before be covered with and First piston bar
The dust ring of cooperation, after be covered with second piston bar coordinate dust ring, between First piston bar and piston and second live
O-ring seals are provided between stopper rod and piston, O-ring seals between protecgulum and cylinder body and between bonnet and cylinder body, are provided with.
4. a kind of stroke adjustable dual-head cylinder according to claim 1, it is characterised in that：Piston is provided with is matched somebody with somebody with inboard wall of cylinder block
The y-shaped ring and wear ring of conjunction.
5. a kind of stroke adjustable dual-head cylinder according to claim 1, it is characterised in that：First piston bar and second piston
The external part of bar is respectively equipped with adjusting nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621019959.0U CN206054436U (en) | 2016-08-31 | 2016-08-31 | A kind of stroke adjustable dual-head cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621019959.0U CN206054436U (en) | 2016-08-31 | 2016-08-31 | A kind of stroke adjustable dual-head cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206054436U true CN206054436U (en) | 2017-03-29 |
Family
ID=58374118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621019959.0U Expired - Fee Related CN206054436U (en) | 2016-08-31 | 2016-08-31 | A kind of stroke adjustable dual-head cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206054436U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873087A (en) * | 2018-08-29 | 2020-03-10 | 宁波市鑫潮自动化元件有限公司 | Cylinder with adjustable piston rod control position |
| CN111207131A (en) * | 2020-03-04 | 2020-05-29 | 宁波市鑫潮自动化元件有限公司 | Self-feeding compensation cylinder |
| CN111288039A (en) * | 2020-05-07 | 2020-06-16 | 江苏恒立液压股份有限公司 | Double-rod oil cylinder and engineering machinery with same |
-
2016
- 2016-08-31 CN CN201621019959.0U patent/CN206054436U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873087A (en) * | 2018-08-29 | 2020-03-10 | 宁波市鑫潮自动化元件有限公司 | Cylinder with adjustable piston rod control position |
| CN111207131A (en) * | 2020-03-04 | 2020-05-29 | 宁波市鑫潮自动化元件有限公司 | Self-feeding compensation cylinder |
| CN111207131B (en) * | 2020-03-04 | 2022-01-25 | 宁波市鑫潮自动化元件有限公司 | Self-feeding compensation cylinder |
| CN111288039A (en) * | 2020-05-07 | 2020-06-16 | 江苏恒立液压股份有限公司 | Double-rod oil cylinder and engineering machinery with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 315500 Zhejiang province Ningbo City Xikou town Fenghua District Ao Industrial Park Patentee after: Ningbo Xinchao automation component Co., Ltd. Address before: Xikou Zhen Da Ao Industrial Zone Fenghua city Zhejiang province 315500 Lake Road, Ningbo City, No. 8 Patentee before: Fenghua Xinchao Automatization Component Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20200831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |