CN205064427U - Novel pneumatic craspedodrome journey cylinder - Google Patents
Novel pneumatic craspedodrome journey cylinder Download PDFInfo
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- CN205064427U CN205064427U CN201520688047.1U CN201520688047U CN205064427U CN 205064427 U CN205064427 U CN 205064427U CN 201520688047 U CN201520688047 U CN 201520688047U CN 205064427 U CN205064427 U CN 205064427U
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Abstract
The utility model discloses a novel pneumatic craspedodrome journey cylinder, a serial communication port, include: support up end open -ended push rod is passed at cylinder head that from top to bottom the both ends face is equipped with the open -ended support, is fixed in the cylinder barrel of support top, the piston of being reciprocating motion in the cylinder barrel, lid fit the cylinder barrel upper shed, both ends long bolt, upper end fixed connection piston and the lower extreme of fixed connection support and cylinder head respectively, with push rod fixed connection's valve rod, has such characteristic, push rod and valve rod are through adjusting the mutual fixed connection of connecting rod, adjust the upper end fixed connection of connecting rod the push rod, the lower extreme of adjusting the connecting rod is equipped with and has the internal screw thread inner chamber, the last end screw thread connection of valve rod adjusts the lower extreme of connecting rod. The utility model discloses an actively the effect is: 1. When the executor of same specification was used for the valve of different strokes, the commonality of part and interchangeability improved, and the length and size required precision of valve rod can descend. The installation is swift convenient, and has reduced manufacturing cost.
Description
Technical field
The utility model belongs to control valve device field, is specifically related to a kind of novel pneumatic straight journey cylinder.
Background technique
Pneumatic straight stroke cylinder, being widely used on the automatic control adjustable valve of the industries such as sky divides, chemical industry, is that a kind of thrust is large, the simple pneumatic actuator of structure.
Existing Pneumatic straight stroke cylinder: push rod end is worm structure, is connected to the threaded end of valve rod by screwed slit nut, drives stem movement.The coaxial accuracy of this Placement to valve rod and push rod requires high, higher to the required precision of correlated parts processing.In addition, this Placement connects in the longitudinal direction and does not compensate, and when the final controlling element of same specification is used for the valve of different stroke, the length of valve rod is also different, interchangeability and versatility poor.
The area of contact of existing Pneumatic straight stroke cylinder outside piston is large, and the resistance produced when making to run is large, and dead band is larger.
Model utility content
In order to solve the problem, the purpose of this utility model is to provide a kind of novel pneumatic straight journey cylinder.
In order to achieve the above object, the utility model have employed following technological scheme:
A kind of novel pneumatic straight journey cylinder, it is characterized in that, comprise: both ends of the surface are provided with the support of opening up and down, be fixed on the cylinder barrel above support, the piston moved reciprocatingly in cylinder barrel, be covered on the cylinder head of cylinder barrel upper shed, two ends are fixedly connected with the long bolt of support and cylinder head respectively, upper end be fixedly connected with piston and lower end through the push rod of pedestal upper end face opening, the valve rod be fixedly connected with push rod, there is such feature, described push rod and valve rod are mutually permanently connected by regulating connecting rod, the upper end of described regulating connecting rod is fixedly connected with described push rod, the lower end of described regulating connecting rod is provided with the female inner chamber of band, the threaded upper ends of described valve rod connects the lower end of regulating connecting rod.
Further, in the novel pneumatic straight journey cylinder that the utility model provides, such feature can also be had: the upper end of described regulating connecting rod and the lower end of described push rod are cylndrical surface, and be connected by the Hough that endoporus is cylndrical surface.
Further, in the novel pneumatic straight journey cylinder that the utility model provides, such feature can also be had: inside described support, the position of corresponding Hough is provided with scale.
Further, in the novel pneumatic straight journey cylinder that the utility model provides, such feature can also be had: the two ends up and down of described piston are respectively equipped with guide collar.
Further, in the novel pneumatic straight journey cylinder that the utility model provides, such feature can also be had: the sidewall cross-sectional in the middle part of described piston becomes S type.
Further, in the novel pneumatic straight journey cylinder that the utility model provides, such feature can also be had: described cylinder head is provided with O shape circle.
Further, in the novel pneumatic straight journey cylinder that the utility model provides, such feature can also be had: the upper end of described push rod is fixedly connected with piston by push rod nut.
The good effect that the utility model has on the basis of the above is:
1. valve rod top is provided with regulating connecting rod: when the final controlling element of same specification is used for the valve of different stroke, and the versatility of part and interchangeability improve, and the length dimension required precision of valve rod can decline.Convenience quick for installation, and reduce manufacture cost.
2. valve rod is connected by the Hough with radial compensation with push rod: the coaxial accuracy requirement that can reduce valve rod and push rod, is easy to assembling.
3. the Excircle machining in the middle part of piston becomes approximate S type: dead band is little, improves sensitivity; Piston wear reduces, and improves working life.
Accompanying drawing explanation
Fig. 1 is the sectional structure chart of novel pneumatic straight journey cylinder of the present utility model;
Fig. 2 is the connection diagram of regulating connecting rod and valve rod in embodiment;
Fig. 3 is Hough connection diagram in embodiment;
Fig. 4 is the structural representation of piston in embodiment.
In figure, support 1, cylinder barrel 2, piston 3, guide collar 4, long bolt 5, O shape circle 6, cylinder head 7, nut 8, push rod nut 9, push rod 10, Hough 11, regulating connecting rod 12.
Embodiment
The technological means realized to make the utility model, creation characteristic, reach object and effect is easy to understand, following examples are specifically addressed the novel pneumatic straight journey cylinder that the utility model provides by reference to the accompanying drawings.
As Figure 1-Figure 4, the novel pneumatic straight journey cylinder that the present embodiment provides, primarily of: both ends of the surface are provided with the support 1 of opening up and down, be fixed on the cylinder barrel 2 above support 1, the piston 3 moved reciprocatingly in cylinder barrel 2, be covered on the cylinder head 7 of cylinder barrel 2 upper shed, two ends are fixedly connected with the long bolt 5 of support 1 and cylinder head 7 respectively, upper end be fixedly connected with piston 3 and lower end through the push rod 10 of support 1 upper-end surface opening, the valve rod be fixedly connected with push rod 10 is formed, concrete, described push rod 10 and valve rod are mutually permanently connected by regulating connecting rod 12, the upper end of described regulating connecting rod 12 is fixedly connected with described push rod 10, the lower end of described regulating connecting rod 12 is provided with the female inner chamber of band, the threaded upper ends of described valve rod connects the lower end of regulating connecting rod 12.Regulating connecting rod 12 has nose balance function (see Fig. 2), very low to the length dimension required precision of valve rod.When the final controlling element of same specification is used for the valve of different stroke, the extrusion of valve rod can be constant, only need rotate regulating connecting rod 12 and come adjustment assembly position and connect final controlling element.Substantially increase interchangeability of parts and versatility, it is convenient that final controlling element is installed.
In preferred embodiment of the present utility model: the upper end of described regulating connecting rod 12 and the lower end of described push rod 10 are cylndrical surface, and connected by the Hough 11 that endoporus is cylndrical surface.Push rod 10 lower end and regulating connecting rod 12 upper end are cylndrical surface, and the Hough 11 being cylndrical surface by endoporus connects.Hough 11 is provided with radial compensation structure (see Fig. 3) in radial directions, requires low to the coaxial accuracy of regulating connecting rod 12 and push rod 10, lower to the required precision of part processing.Mounting and adjusting is convenient.
In preferred embodiment of the present utility model: inside described support 1, the position of corresponding Hough 11 is provided with scale, be convenient to control push rod 10 process.
In preferred embodiment of the present utility model: the two ends up and down of described piston 3 are respectively equipped with guide collar 4.
In preferred embodiment of the present utility model: the sidewall cross-sectional in the middle part of described piston 3 becomes S type.
Piston 3 is processed into illustrated shape (see Fig. 4).Cylindrical guiding position, piston 3 two ends retains, and forms effective guiding with cylinder barrel 2 inwall.Guiding width is the distance between piston 3 two ends.Excircle machining in the middle part of piston 3 is become approximate S type, reduces the area of contact of piston 3 cylindrical and cylinder inner wall.Because guiding width is constant, and adopt the collaborative guiding of 2 guide collar 4, steering capability is good.The resistance that the minimizing of piston 3 cylindrical and cylinder barrel 2 contact internal walls area produces when making to run declines, and dead band reduces, and sensitivity improves.
In preferred embodiment of the present utility model: described cylinder head 7 is provided with O shape circle 6, to improve sealing effect.
In preferred embodiment of the present utility model: the upper end of described push rod 10 is fixedly connected with piston 3 by push rod nut 9, facilitate replacing and the installation of push rod 10.
During concrete installation, O shape circle 6, cylinder barrel 2 are arranged on support 1.Piston 3, guide collar 4, push rod nut 9, push rod 10 are linked together and lock, forms piston 3 assembly.Be arranged on support 1 by piston 3 assembly, dress upper O-shape ring 6, cylinder head 7, connect with long bolt 5, nut 8 and lock.Regulating connecting rod 12 is connected by Hough 11 with push rod 10.
Novel pneumatic straight journey cylinder involved by certain the utility model is not merely defined in the structure in above-described embodiment, any equivalent modifications of carrying out the utility model and substituting also all in category of the present utility model.
Claims (7)
1. a novel pneumatic straight journey cylinder, it is characterized in that, comprise: both ends of the surface are provided with the support (1) of opening up and down, be fixed on the cylinder barrel (2) of support (1) top, the piston (3) moved reciprocatingly in cylinder barrel (2), be covered on the cylinder head (7) of cylinder barrel (2) upper shed, two ends are fixedly connected with the long bolt (5) of support (1) and cylinder head (7) respectively, upper end be fixedly connected with piston (3) and lower end through the push rod (10) of support (1) upper-end surface opening, the valve rod be fixedly connected with push rod (10), it is characterized in that, described push rod (10) and valve rod are mutually permanently connected by regulating connecting rod (12), the upper end of described regulating connecting rod (12) is fixedly connected with described push rod (10), the lower end of described regulating connecting rod (12) is provided with the female inner chamber of band, the threaded upper ends of described valve rod connects the lower end of regulating connecting rod (12).
2. novel pneumatic straight journey cylinder according to claim 1, it is characterized in that, the upper end of described regulating connecting rod (12) and the lower end of described push rod (10) are cylndrical surface, and are connected by the Hough (11) that endoporus is cylndrical surface.
3. novel pneumatic straight journey cylinder according to claim 2, is characterized in that, the position of described support (1) the corresponding Hough in inner side (11) is provided with scale.
4. novel pneumatic straight journey cylinder according to claim 1, is characterized in that, the two ends up and down of described piston (3) are respectively equipped with guide collar (4).
5. novel pneumatic straight journey cylinder according to claim 1, is characterized in that, the sidewall cross-sectional at described piston (3) middle part becomes S type.
6. novel pneumatic straight journey cylinder according to claim 1, is characterized in that, described cylinder head (7) is provided with O shape circle (6).
7. novel pneumatic straight journey cylinder according to claim 1, is characterized in that, the upper end of described push rod (10) is fixedly connected with piston (3) by push rod nut (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520688047.1U CN205064427U (en) | 2015-09-07 | 2015-09-07 | Novel pneumatic craspedodrome journey cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520688047.1U CN205064427U (en) | 2015-09-07 | 2015-09-07 | Novel pneumatic craspedodrome journey cylinder |
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| Publication Number | Publication Date |
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| CN205064427U true CN205064427U (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520688047.1U Active CN205064427U (en) | 2015-09-07 | 2015-09-07 | Novel pneumatic craspedodrome journey cylinder |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425189A (en) * | 2019-07-17 | 2019-11-08 | 北京精密机电控制设备研究所 | A kind of highway turbine pump and overflow valve matching test device |
| CN112706329A (en) * | 2020-12-09 | 2021-04-27 | 台州市路桥区腾晟塑模有限公司 | Air floatation mechanism of mold |
| CN113385996A (en) * | 2021-06-17 | 2021-09-14 | 中广核研究院有限公司 | Pipeline inner wall grinding device |
| CN116608177A (en) * | 2023-05-19 | 2023-08-18 | 宁波市鑫潮自动化元件有限公司 | Locking safety cylinder |
-
2015
- 2015-09-07 CN CN201520688047.1U patent/CN205064427U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425189A (en) * | 2019-07-17 | 2019-11-08 | 北京精密机电控制设备研究所 | A kind of highway turbine pump and overflow valve matching test device |
| CN110425189B (en) * | 2019-07-17 | 2020-10-23 | 北京精密机电控制设备研究所 | Ultrahigh-speed turbine pump and overflow valve matching test device |
| CN112706329A (en) * | 2020-12-09 | 2021-04-27 | 台州市路桥区腾晟塑模有限公司 | Air floatation mechanism of mold |
| CN113385996A (en) * | 2021-06-17 | 2021-09-14 | 中广核研究院有限公司 | Pipeline inner wall grinding device |
| CN116608177A (en) * | 2023-05-19 | 2023-08-18 | 宁波市鑫潮自动化元件有限公司 | Locking safety cylinder |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201120 Address after: 201599 1st and 2nd floor, building 2, 285 Yuegong Road, Caojing Town, Jinshan District, Shanghai Patentee after: Kaidu (Shanghai) Fluid Technology Co., Ltd Address before: 201204 Shanghai City, Jinshan District Jinshanwei town Qiushi Road No. 688 Building 1, unit 5, Room 301 Patentee before: WISEWAY SHANGHAI CONTROL VALVE Co.,Ltd. |
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| TR01 | Transfer of patent right |