CN205605939U - Piston type linear stroke adjustable cylinder for adjusting valve - Google Patents
Piston type linear stroke adjustable cylinder for adjusting valve Download PDFInfo
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- CN205605939U CN205605939U CN201520841275.8U CN201520841275U CN205605939U CN 205605939 U CN205605939 U CN 205605939U CN 201520841275 U CN201520841275 U CN 201520841275U CN 205605939 U CN205605939 U CN 205605939U
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- piston
- end cover
- cylinder
- adjusting rod
- spring
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- 239000000428 dust Substances 0.000 claims description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to an adjustable cylinder of piston linear stroke for governing valve, including the cylinder, respectively with upper end cover and the bottom end cover that the upper end and the lower extreme of cylinder are connected, the cylinder, be equipped with the piston in the inner chamber that upper end cover and bottom end cover constitute jointly, the lower terminal surface of piston is connected with the piston rod, the upper end cover is equipped with the regulation pole that passes from its centre bore, the bottom of adjusting the pole is equipped with adjusts the pole external screw thread, the piston rod upper end is equipped with the piston rod internal thread, adjust pole external screw thread and piston rod interior screw-thread fit, the processing of the internal screw thread bottom of piston rod has piston rod second to say the internal thread hole, it has the regulation pole through-hole to adjust the processing of pole axial center, be equipped. The utility model discloses a rotatory regulation pole changes and adjusts the relative length that closes soon of pole external screw thread and piston rod internal thread, obtains the stroke of required cylinder, and it is convenient to adjust, and the accuracy is high.
Description
Technical field
This utility model relates to valve field, specifically a kind of regulation valve piston-type direct lineal travel adjustable cylinder.
Background technology
In the design of regulation valve, the type selecting of cylinder is a critically important link, and traditional Direct Travel cylinder mainly carries out type selecting by following two parameter:
1) power output of cylinder；
2) rectilinear path of cylinder.
The stroke of a lot of regulation valve cylinders is all fixing, and regulation valve designer fix due to cylinder stroke when type selecting and well cannot mate with traveled distance, thus causes the waste of model selection of cylinder and stem design, increases the production cost of product.
In the past when design regulation valve, designer typically when being adjusted valve design, considers spacing design on valve mechanism, and the stroke of valve is carried out constraint setting, adopt travel settings in this way, general stroke can be fixed up, it is impossible to changes, and needs to change stroke due to special circumstances once valve, can only be by disassembling valve, and position limiting structure is modified, this reduces the design efficiency of product virtually, thus adds the design cost of product.When using stroke adjustable cylinder, it is not necessary to the extra stroke limit considering valve mechanism sets problem, only need to carry out shirtsleeve operation outside cylinder, can complete the travel settings of valve.
Therefore, it is necessary to provide a kind of novel regulation valve piston-type direct lineal travel adjustable cylinder to solve the problems referred to above.
Utility model content
The purpose of this utility model is to provide a kind of easy to adjust, without the regulation valve piston-type direct lineal travel adjustable cylinder dismantled.
This utility model is achieved through the following technical solutions above-mentioned purpose:
nullA kind of regulation valve piston-type direct lineal travel adjustable cylinder，Including cylinder barrel、Top and bottom with described cylinder barrel are connected respectively upper end cover and bottom end cover，Described cylinder barrel、The inner chamber that described upper end cover and described bottom end cover collectively form is provided with piston，The lower surface of described piston connects piston rod，Described upper end cover is provided with the adjusting rod that central hole from which passes，The bottom of described adjusting rod is provided with adjusting rod external screw thread，Described piston rod upper end is provided with piston rod female thread，Described adjusting rod external screw thread and described piston rod screw-internal thread fit，The bottom of described piston rod female thread is machined with piston rod second internal thread hole，Described adjusting rod axial centre is machined with adjusting rod through hole，It is provided with lock-screw in described adjusting rod through hole，Described lock-screw coordinates fastening through described adjusting rod through hole with described piston rod second screwed hole，Described adjusting rod has confined planes.
Further, described piston rod is fastened by locking nut and described piston, and described locking nut is provided with locking holding screw.
Further, described upper end cover is provided with the dust cover for covering described adjusting rod.
Further, the outer surface of described adjusting rod has the stroke indicatrix for controlling cylinder stroke.
Further, the end face of described piston is provided with piston spring and fixes groove, the bottom surface of described upper end cover is provided with upper end cover spring fixing groove, is provided with spring between described piston and described upper end cover, and the two ends of described spring lay respectively at described upper end cover spring fixing groove and described piston spring is fixed in groove.
Further, described confined planes is positioned in described inner chamber, and the distance of the lower surface of described confined planes and described upper end cover is the stroke of cylinder.
Further, the bottom surface of described piston is provided with piston spring and fixes groove, the end face of described bottom end cover is provided with bottom end cover spring fixing groove, is provided with spring between described piston and described upper end cover, and the two ends of described spring lay respectively at described piston spring and fix in groove and described bottom end cover spring fixing groove.
Further, described confined planes is positioned at outside described inner chamber, and the distance of the upper surface of described confined planes and described upper end cover is the stroke of cylinder.
Compared with prior art, this utility model regulation valve piston-type direct lineal travel adjustable cylinder provides the benefit that: before cylinder is installed to valve, without described cylinder is disassembled separation, can be by rotation adjusting lever to the left or to the right, change adjusting rod external screw thread and the relative screwing length of piston rod female thread, i.e. regulate the size of H, obtain the stroke of required cylinder, controlled by stroke indicatrix, there is the advantage that stroke is adjustable, easy to adjust, degree of accuracy is high.
Accompanying drawing explanation
Fig. 1 is reaction structure schematic diagram of the present utility model.
Fig. 2 is positive interaction structural representation of the present utility model.
Fig. 3 is the cross-sectional schematic of upper end cover.
Fig. 4 is the cross-sectional schematic of bottom end cover.
Fig. 5 is the cross-sectional schematic of piston.
Fig. 6 is the cross-sectional schematic of piston rod.
Fig. 7 is the cross-sectional schematic of adjusting rod in Fig. 1.
Fig. 8 is the schematic appearance of adjusting rod in Fig. 1.
Fig. 9 is the cross-sectional schematic of adjusting rod in Fig. 2.
Figure 10 is the schematic appearance of adjusting rod in Fig. 2.
In accompanying drawing, the labelling of each parts is as follows: 100, dust cover, 101, lock-screw, 102, upper end cover, 103, cylinder barrel, 104, spring, 105, adjusting rod, 106, locking nut, 107, piston, 108, bottom end cover, 109, piston rod, 110, holding screw, 111, nut, 112, studs, 1021, upper end cover spring fixing groove, 1081, upper end cover spring fixing groove, 1071, groove fixed by piston spring, 1091, piston rod female thread, 1092, piston rod second female thread, 1051, adjusting rod through hole, 1052, stroke indicatrix, 1053, confined planes, 1054, adjusting rod external screw thread.
Detailed description of the invention
Embodiment 1
Refer to Fig. 1, Fig. 3, Fig. 5, Fig. 6, Fig. 7, Fig. 8, now cylinder is single-acting form, cylinder requires that executive mode is retroaction, a kind of regulation valve piston-type direct lineal travel adjustable cylinder, the upper end cover 102 being connected including cylinder barrel 103, respectively top and bottom with cylinder barrel 103 and bottom end cover 108, be provided with piston 107 in the inner chamber that cylinder barrel 103, upper end cover 102 and bottom end cover 108 collectively form.The end face of piston 107 is provided with piston spring and fixes groove 1071, the bottom surface of upper end cover 102 is provided with upper end cover spring fixing groove 1021, being provided with spring 104 between piston 107 and upper end cover 102, the two ends of spring 104 lay respectively at upper end cover spring fixing groove 1021 and piston spring is fixed in groove 1071.
nullThe lower surface of piston 107 connects piston rod 109，Piston rod 109 is fastened by locking nut 106 and piston 107，Locking nut 106 is provided with locking holding screw 110，Upper end cover 102 is provided with the adjusting rod 105 that central hole from which passes，The bottom of adjusting rod 105 is provided with adjusting rod external screw thread 1054，Piston rod 109 upper end is provided with piston rod female thread 1091，Adjusting rod external screw thread 1054 and piston rod female thread 1091 coordinate，The bottom of piston rod female thread 1091 is machined with piston rod second internal thread hole 1092，Adjusting rod 105 axial centre is machined with adjusting rod through hole 1051，Lock-screw 101 it is provided with in adjusting rod through hole 1051，Lock-screw 101 coordinates fastening through adjusting rod through hole 1051 with piston rod second screwed hole 1092.Adjusting rod 105 has confined planes 1053, and confined planes 1053 is positioned in inner chamber, and distance H of the lower surface of confined planes 1053 and upper end cover 102 is the stroke of cylinder.The outer surface of adjusting rod 105 has the stroke indicatrix 1052 for controlling cylinder stroke, after stroke adjustment completes, tightens lock-screw 101, makes adjusting rod 105 and piston rod 109 fasten.Upper end cover 102 is provided with the dust cover 100 for covering adjusting rod 105, is provided with studs 112 between upper end cover 102 and bottom end cover 108, and studs 112 is tightened from upper end cover 102 and 108 liang of lateral centres of bottom end cover by nut 111, is clamped by cylinder barrel 103.
Embodiment 2
Refer to Fig. 2, Fig. 4, Fig. 5, Fig. 6, Fig. 9, Figure 10, now cylinder is single-acting form, cylinder requires that executive mode is positive interaction, embodiment 2 differs only in embodiment 1, the bottom surface of piston 107 is provided with piston spring and fixes groove 1071, the end face of bottom end cover 108 is provided with bottom end cover spring fixing groove 1081, the two ends of spring 104 lay respectively at piston spring and fix in groove 1071 and bottom end cover spring fixing groove 1081, confined planes 1053 is positioned at outside inner chamber, distance H of the upper surface of confined planes 1053 and upper end cover 102 is the stroke of cylinder, other structures are identical to be repeated no more.
Above example 1, embodiment 2 are single-acting form, if cylinder is double acting form, it differs only in does not has spring 104, piston spring to fix groove 1071, upper end cover spring fixing groove 1021 or bottom end cover spring fixing groove 1081, and other structures are identical to be repeated no more.
The beneficial effects of the utility model are: before cylinder is installed to valve, without described cylinder is disassembled separation, can be by rotation adjusting lever to the left or to the right, change the relative screwing length of adjusting rod external screw thread and piston rod female thread, i.e. regulate the size of H, obtain the stroke of required cylinder, controlled by stroke indicatrix, there is the advantage that stroke is adjustable, easy to adjust, degree of accuracy is high.
Above-described is only embodiments more of the present utility model.For the person of ordinary skill of the art, on the premise of creating design without departing from this utility model, it is also possible to making some deformation and improvement, these broadly fall into protection domain of the present utility model.
Claims (8)
- null1. a regulation valve piston-type direct lineal travel adjustable cylinder，It is characterized in that: include cylinder barrel、Top and bottom with described cylinder barrel are connected respectively upper end cover and bottom end cover，Described cylinder barrel、The inner chamber that described upper end cover and described bottom end cover collectively form is provided with piston，The lower surface of described piston connects piston rod，Described upper end cover is provided with the adjusting rod that central hole from which passes，The bottom of described adjusting rod is provided with adjusting rod external screw thread，Described piston rod upper end is provided with piston rod female thread，Described adjusting rod external screw thread and described piston rod screw-internal thread fit，The bottom of described piston rod female thread is machined with piston rod second internal thread hole，Described adjusting rod axial centre is machined with adjusting rod through hole，It is provided with lock-screw in described adjusting rod through hole，Described lock-screw coordinates fastening through described adjusting rod through hole with described piston rod second screwed hole，Described adjusting rod has confined planes.
- Regulation valve piston-type direct lineal travel adjustable cylinder the most according to claim 1, it is characterised in that: described piston rod is fastened by locking nut and described piston, and described locking nut is provided with locking holding screw.
- Regulation valve piston-type direct lineal travel adjustable cylinder the most according to claim 1, it is characterised in that: described upper end cover is provided with the dust cover for covering described adjusting rod.
- Regulation valve piston-type direct lineal travel adjustable cylinder the most according to claim 1, it is characterised in that: the outer surface of described adjusting rod has the stroke indicatrix for controlling cylinder stroke.
- Regulation valve piston-type direct lineal travel adjustable cylinder the most according to claim 1, it is characterized in that: the end face of described piston is provided with piston spring and fixes groove, the bottom surface of described upper end cover is provided with upper end cover spring fixing groove, being provided with spring between described piston and described upper end cover, the two ends of described spring lay respectively at described upper end cover spring fixing groove and described piston spring is fixed in groove.
- Regulation valve piston-type direct lineal travel adjustable cylinder the most according to claim 5, it is characterised in that: described confined planes is positioned in described inner chamber, and the distance of the lower surface of described confined planes and described upper end cover is the stroke of cylinder.
- Regulation valve piston-type direct lineal travel adjustable cylinder the most according to claim 1, it is characterized in that: the bottom surface of described piston is provided with piston spring and fixes groove, the end face of described bottom end cover is provided with bottom end cover spring fixing groove, being provided with spring between described piston and described upper end cover, the two ends of described spring lay respectively at described piston spring and fix in groove and described bottom end cover spring fixing groove.
- Regulation valve piston-type direct lineal travel adjustable cylinder the most according to claim 7, it is characterised in that: described confined planes is positioned at outside described inner chamber, and the distance of the upper surface of described confined planes and described upper end cover is the stroke of cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520841275.8U CN205605939U (en) | 2015-10-28 | 2015-10-28 | Piston type linear stroke adjustable cylinder for adjusting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520841275.8U CN205605939U (en) | 2015-10-28 | 2015-10-28 | Piston type linear stroke adjustable cylinder for adjusting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205605939U true CN205605939U (en) | 2016-09-28 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520841275.8U Active CN205605939U (en) | 2015-10-28 | 2015-10-28 | Piston type linear stroke adjustable cylinder for adjusting valve |
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| Country | Link |
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| CN (1) | CN205605939U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687555A (en) * | 2017-11-02 | 2018-02-13 | 天津安固密封技术有限公司 | A kind of novel double liquid cylinder pressure rope tension unit |
| CN107763006A (en) * | 2017-12-06 | 2018-03-06 | 丽水学院 | Liquid quantitative dispenses hydraulic cylinder |
| CN110388347A (en) * | 2018-04-17 | 2019-10-29 | 费斯托（中国）自动化制造有限公司 | Rotary actuator |
-
2015
- 2015-10-28 CN CN201520841275.8U patent/CN205605939U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687555A (en) * | 2017-11-02 | 2018-02-13 | 天津安固密封技术有限公司 | A kind of novel double liquid cylinder pressure rope tension unit |
| CN107763006A (en) * | 2017-12-06 | 2018-03-06 | 丽水学院 | Liquid quantitative dispenses hydraulic cylinder |
| CN107763006B (en) * | 2017-12-06 | 2024-03-01 | 丽水学院 | Liquid quantitative split charging hydraulic cylinder |
| CN110388347A (en) * | 2018-04-17 | 2019-10-29 | 费斯托（中国）自动化制造有限公司 | Rotary actuator |
| CN110388347B (en) * | 2018-04-17 | 2021-12-31 | 费斯托（中国）自动化制造有限公司 | Rotary actuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215000 The west side of Laixiu Road and the north side of Xinsheng Road, Fenhu Economic Development Zone, Wujiang District, Suzhou City, Jiangsu Province Patentee after: Suzhou Antway Industrial Intelligent Technology Co.,Ltd. Address before: 215000 The west side of Laixiu Road and the north side of Xinsheng Road, Fenhu Economic Development Zone, Wujiang District, Suzhou City, Jiangsu Province Patentee before: SUZHOU ANTIWEAR VALVES Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |