CN109595216B - Piston-free cylinder device with piston rod moving in arc track - Google Patents
Piston-free cylinder device with piston rod moving in arc track Download PDFInfo
- Publication number
- CN109595216B CN109595216B CN201811489526.5A CN201811489526A CN109595216B CN 109595216 B CN109595216 B CN 109595216B CN 201811489526 A CN201811489526 A CN 201811489526A CN 109595216 B CN109595216 B CN 109595216B
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- Prior art keywords
- piston rod
- annular
- circular
- cylinder
- ring
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1428—Cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The invention relates to a piston-free cylinder device with a piston rod moving in an arc track, which is characterized by comprising an annular piston rod component, a first annular cylinder component arranged on the annular piston rod component, and a second annular cylinder component arranged on the end surface of the first annular cylinder component; the annular piston rod component comprises an annular piston rod left section, an annular piston rod middle section and an annular piston rod right section, wherein the annular piston rod middle section is arranged at one end of the annular piston rod left section; the piston-free cylinder device with the piston rod moving in the arc track avoids the need of processing the inner wall of the inner cavity of the cylinder body by using a circular cylinder device, only two end faces of a first circular cylinder body and a second circular cylinder body need to be processed, and the processing is simple and convenient, so that the piston rod of the cylinder device can move in the arc track more easily, and the piston rod can be widely applied more easily.
Description
Technical Field
The invention relates to the field of cylinder body arc motion without electric action, in particular to a piston-free cylinder body device with a piston rod moving in an arc track.
Background
In the industrial upgrading process, a more flexible structure is needed to enable the machine to be more intelligent, the mechanism of the machine is always kept away from the machine and is formed by various combinations on the basis of basic parts, and more parts with new basic functions need to be innovated and invented when the machine is more intelligent. The arc motion part is more space-saving than the linear motion part in a machine under a specific condition, and can replace the combined motion of several linear motions; the piston of the existing cylinder device is precisely contacted with the wall of the inner cavity of the cylinder body in the whole process of the movement of the inner cavity of the cylinder body, so that the inner cavity of the cylinder body needs to be precisely machined, and if the inner cavity of the cylinder body is circular, the machining precision is particularly difficult to ensure, so that the cylinder device with the piston is difficult to be made into a piston rod to move along an arc track.
Disclosure of Invention
The invention aims to create a novel cylinder device which is easy to realize in the field of automation, and provides a piston-free cylinder device with a piston rod moving in an arc track.
In order to achieve the above object, the present invention provides a piston-free cylinder device with a piston rod moving in an arc track, which is characterized in that the piston-free cylinder device comprises an annular piston rod member, a first annular cylinder member arranged on the annular piston rod member, a second annular cylinder member arranged on an end surface of the first annular cylinder member, a first annular pull rod and a second annular pull rod for connecting the first annular cylinder member and the second annular cylinder member, and a first seal ring arranged between the first annular cylinder member and the second annular cylinder member; the annular piston rod component comprises an annular piston rod left section, an annular piston rod middle section and an annular piston rod right section, wherein the annular piston rod middle section is arranged at one end of the annular piston rod left section; the first annular cylinder body component comprises a first outer end cover, a first dustproof ring, a first guide ring and a second sealing ring which are arranged in the first outer end cover, a first annular cylinder body arranged on the end face of the first outer end cover, a third sealing ring arranged on the end face of the first annular cylinder body, and a first inner end cover arranged on the third sealing ring, wherein the first inner end cover comprises a first air hole, and a third annular pull rod and a fourth annular pull rod which are used for connecting the first outer end cover and the first annular cylinder body; the second ring-shaped cylinder body component comprises a second outer end cover, a second dustproof ring, a second guide ring and a fourth sealing ring which are arranged in the second outer end cover, a second ring-shaped cylinder body arranged on the end face of the second outer end cover, a fifth sealing ring arranged on the end face of the second ring-shaped cylinder body, and a second inner end cover arranged on the fifth sealing ring, wherein the second inner end cover comprises a second air hole for connecting a fifth ring-shaped pull rod and a sixth ring-shaped pull rod of the second outer end cover and the second ring-shaped cylinder body.
Further, the ring-shaped piston rod member penetrates the first ring-shaped cylinder member and the second ring-shaped cylinder member.
Furthermore, the shape of the left section of the circular-ring-shaped piston rod is circular-ring-shaped.
Furthermore, the shape of the middle section of the annular piston rod is annular.
Further, the shape of the right section of the circular piston rod is circular.
Further, the inner cavity of the first circular ring type cylinder body is circular ring-shaped.
Further, the inner cavity of the second circular ring type cylinder body is circular ring shaped.
Further, the inner cavity of the first guide ring is annular.
Further, the inner cavity of the second guide ring is annular.
Furthermore, the outer diameter of the middle section of the annular piston rod is smaller than the outer diameters of the left section and the right section of the annular piston rod.
The invention has the beneficial effects that:
the piston-free cylinder device with the piston rod moving in the arc track avoids the need of processing the inner wall of the inner cavity of the cylinder body by using a circular cylinder device, only two end faces of a first circular cylinder body and a second circular cylinder body need to be processed, and the processing is simple and convenient, so that the cylinder device with the piston rod moving in the arc track is easier to realize and is easier to widely apply.
According to the piston-free cylinder device with the piston rod moving in the arc track, due to the fact that no piston exists, the sealing parts are arranged at the two ends of the first circular-ring-shaped cylinder body and the second circular-ring-shaped cylinder body, and the piston-free cylinder device is convenient to install and maintain.
Drawings
FIG. 1 is a schematic view of the general assembly of a pistonless cylinder device with piston rods moving in an arc path according to the present invention;
FIG. 2 is a cross-sectional view of a pistonless cylinder device with a piston rod moving in an arcuate path in accordance with the present invention;
Detailed Description
The mechanism and the working principle of the present invention will be described in detail with reference to the accompanying drawings. For the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted and that like or similar reference numerals correspond to like or similar parts.
Referring to fig. 1-2, the present invention provides a piston-free cylinder device with a piston rod moving in an arc track, which is characterized in that the piston-free cylinder device comprises a circular piston rod member 1, a first circular cylinder member 2 disposed on the circular piston rod member 1, a second circular cylinder member 3 disposed on an end surface of the first circular cylinder member 2, a first circular pull rod 4 and a second circular pull rod 5 for connecting the first circular cylinder member 2 and the second circular cylinder member 3, and a first sealing ring 6 disposed between the first circular cylinder member 2 and the second circular cylinder member 3; the annular piston rod component 1 comprises an annular piston rod left section 11, an annular piston rod middle section 12 arranged at one end of the annular piston rod left section 11, and an annular piston rod right section 13 arranged at one end of the annular piston rod middle section 12; the first circular cylinder component 2 comprises a first outer end cover 21, a first dust ring 22, a first guide ring 23 and a second seal ring 24 which are arranged in the first outer end cover 21, a first circular cylinder 25 which is arranged on the end surface of the first outer end cover 21, a third seal ring 26 which is arranged on the end surface of the first circular cylinder 25, and a first inner end cover 27 which is arranged on the third seal ring 26, wherein the first inner end cover 27 comprises a first air hole 271, and a third circular pull rod 28 and a fourth circular pull rod 29 which are used for connecting the first outer end cover 21 and the first circular cylinder 25; second ring type cylinder body part 3 includes second outer end cover 31, locates second dust ring 32, second guide ring 33, fourth sealing washer 34 in the second outer end cover 31, locates the second ring type cylinder body 35 of second outer end cover 31 terminal surface locates the fifth sealing washer 36 of second ring type cylinder body 35 terminal surface, locates the second inner end cover 37 on the fifth sealing washer 36, second inner end cover 37 includes second gas pocket 371, is used for connecting fifth ring type pull rod 38, the sixth ring type pull rod 39 of second outer end cover 31 and second ring type cylinder body 35.
The annular piston rod component 1 penetrates through the first annular cylinder body component 2 and the second annular cylinder body component 3, and the sealing components of the whole cylinder body device are arranged at the two ends of the first annular cylinder body and the second annular cylinder body, so that the processing, assembly and maintenance processes of the cylinder body device are greatly simplified.
The shape of the left section 11 of the circular piston rod is circular.
The annular piston rod middle section 12 is annular in shape.
The right section 13 of the circular piston rod is circular.
The inner cavity of the first circular cylinder 25 is circular.
The inner cavity of the second circular cylinder 35 is circular.
The inner cavity of the first guide ring 23 is circular.
The inner cavity of the second guide ring 33 is annular.
The outer diameter of the middle section 12 of the annular piston rod is smaller than the outer diameters of the left section 11 and the right section 13 of the annular piston rod, and when the thrust force of the left section 11 of the annular piston rod under the action of the medium in the cavity is larger than the thrust force of the right section 13 of the annular piston rod under the action of the medium in the cavity, the annular piston rod component 1 moves towards the left section 11 of the annular piston rod; when the thrust force of the right section 13 of the circular piston rod, which is acted by the medium in the cavity, is greater than the thrust force of the left section 11 of the circular piston rod, which is acted by the medium in the cavity, the circular piston rod component 1 moves towards the right section 13 of the circular piston rod.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The piston rod does a piston-free cylinder device with arc track motion, and is characterized by comprising an annular piston rod component (1), a first annular cylinder component (2) arranged on the annular piston rod component (1), a second annular cylinder component (3) arranged on the end surface of the first annular cylinder component (2), a first annular pull rod (4) and a second annular pull rod (5) which are used for connecting the first annular cylinder component (2) and the second annular cylinder component (3), and a first sealing ring (6) arranged between the first annular cylinder component (2) and the second annular cylinder component (3); the annular piston rod component (1) comprises an annular piston rod left section (11), an annular piston rod middle section (12) arranged at one end of the annular piston rod left section (11), and an annular piston rod right section (13) arranged at one end of the annular piston rod middle section (12); the first annular cylinder body component (2) comprises a first outer end cover (21), a first dust ring (22), a first guide ring (23) and a second seal ring (24) which are arranged in the first outer end cover (21), a first annular cylinder body (25) which is arranged on the end face of the first outer end cover (21), a third seal ring (26) which is arranged on the end face of the first annular cylinder body (25), and a first inner end cover (27) which is arranged on the third seal ring (26), wherein the first inner end cover (27) comprises a first air hole (271), and a third annular pull rod (28) and a fourth annular pull rod (29) which are used for connecting the first outer end cover (21) and the first annular cylinder body (25); second ring type cylinder body part (3) include second outer end cover (31), locate second dust ring (32), second guide ring (33), fourth sealing washer (34) in second outer end cover (31), locate second ring type cylinder body (35) of second outer end cover (31) terminal surface locate fifth sealing washer (36) of second ring type cylinder body (35) terminal surface, locate second inner end cover (37) on fifth sealing washer (36), second inner end cover (37) include second gas pocket (371), are used for connecting fifth ring type pull rod (38), sixth ring type pull rod (39) of second outer end cover (31) and second ring type cylinder body (35).
2. A pistonless cylinder device with piston rod moving in an arc track according to claim 1, wherein the circular ring type piston rod member (1) penetrates the first circular ring type cylinder member (2) and the second circular ring type cylinder member (3).
3. The pistonless cylinder device with piston rod moving in an arc track as claimed in claim 1, wherein the left section (11) of the circular piston rod is circular.
4. A pistonless cylinder device with piston rod moving in an arc track according to claim 1, characterised in that the middle section (12) of the annular piston rod is annular in shape.
5. The pistonless cylinder device with piston rod moving in an arc track according to claim 1, wherein the right section (13) of the circular piston rod is circular.
6. A pistonless cylinder device with piston rod moving in an arc track according to claim 1, characterised in that the inner cavity of the first ring-shaped cylinder (25) is circular.
7. A pistonless cylinder device with piston rod moving in an arc track according to claim 1, characterised in that the inner cavity of the second ring-shaped cylinder (35) is circular.
8. A pistonless cylinder device with piston rod moving in an arc track according to claim 1, characterised in that the inner cavity of the first guide ring (23) is circular.
9. A pistonless cylinder device with piston rod moving in an arc track according to claim 1, characterised in that the inner cavity of the second guide ring (33) is circular.
10. A pistonless cylinder device with piston rods moving in an arc-shaped path according to claim 1, wherein the middle section (12) of the circular piston rod has a smaller outer diameter than the left section (11) and the right section (13) of the circular piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811489526.5A CN109595216B (en) | 2018-12-06 | 2018-12-06 | Piston-free cylinder device with piston rod moving in arc track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811489526.5A CN109595216B (en) | 2018-12-06 | 2018-12-06 | Piston-free cylinder device with piston rod moving in arc track |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109595216A CN109595216A (en) | 2019-04-09 |
| CN109595216B true CN109595216B (en) | 2019-12-31 |
Family
ID=65961454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811489526.5A Active CN109595216B (en) | 2018-12-06 | 2018-12-06 | Piston-free cylinder device with piston rod moving in arc track |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109595216B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2996049A (en) * | 1958-12-15 | 1961-08-15 | Huska Paul | Operating mechanism for valves and the like |
| JPS52131076A (en) * | 1976-04-28 | 1977-11-02 | Yasunosuke Ishiguro | Arched fluid cylinder means |
| FR2384102A1 (en) * | 1977-03-18 | 1978-10-13 | Domenge Alberto | Reciprocating machine e.g. IC or steam engine or compressed air motor - has curved pistons in curved cylinders producing oscillating motion easily transformed into rotation |
| CN205207860U (en) * | 2015-12-09 | 2016-05-04 | 王翔 | A pneumatic cylinder for control valve rod |
| CN205578392U (en) * | 2016-05-04 | 2016-09-14 | 重庆德盟液压机械有限公司 | Annular hydraulic cylinder |
| WO2018098106A1 (en) * | 2016-11-23 | 2018-05-31 | Quality Manufacturing Inc. | Piston linkage and axle drive assembly |
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2018
- 2018-12-06 CN CN201811489526.5A patent/CN109595216B/en active Active
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| Publication number | Publication date |
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| CN109595216A (en) | 2019-04-09 |
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