CN210919626U - Bidirectional cylinder - Google Patents
Bidirectional cylinder Download PDFInfo
- Publication number
- CN210919626U CN210919626U CN201921560517.0U CN201921560517U CN210919626U CN 210919626 U CN210919626 U CN 210919626U CN 201921560517 U CN201921560517 U CN 201921560517U CN 210919626 U CN210919626 U CN 210919626U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- air
- communicated
- cavity
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Actuator (AREA)
Abstract
A bidirectional cylinder. The problems that a plurality of valve cores in the existing guniting machine need a plurality of cylinders in different working directions to move, the requirement on installation space is high, the failure rate is high, and the structure is complex are mainly solved. The utility model provides a two-way cylinder, this two-way cylinder have the outer jar and the inner casing of coaxial setting to set up movable cylinder between inner casing and outer jar, be equipped with first linkage portion on the movable cylinder, set up second linkage portion on the inner casing, two linkage portions can free activity, mutually noninterfere, and the result of use is better.
Description
Technical Field
The utility model belongs to the cylinder field, concretely relates to two-way cylinder.
Background
The guniting machine is mainly used for concrete engineering guniting operation of tunnels, culverts, hydroelectric engineering, civil air defense engineering, mine high-methane well tunnels and the like of high-speed railways and subways.
At present, when a plurality of valve cores in the slurry spraying machine move (such as Chinese patent with publication number CN 109826961A), most of the valve cores need a plurality of air cylinders with different working directions to realize the action, so that the installation space requirement is higher, the multi-cylinder linkage relatively has more faults, and the structure of the whole slurry spraying machine is relatively complex.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of background art, the utility model provides a two-way cylinder mainly solves and needs the cylinder of a plurality of different working directions to realize when a plurality of case activities in present whitewashing machine, and the space requirement to the installation is than higher, and the fault rate is higher, the problem that the structure is complicated.
The utility model adopts the technical proposal that:
the bidirectional cylinder comprises a base, wherein an outer cylinder and an inner cylinder which are coaxially arranged are arranged on the base, a first accommodating cavity is formed in the outer cylinder, the inner cylinder is arranged in the first accommodating cavity, and a through hole is axially formed in the outer cylinder
The inner wall of the outer cylinder is provided with a movably matched movable cylinder, the circumferential outer wall of the movable cylinder is provided with a flange matched with the piston on the inner wall of the first accommodating cavity, and one end of the movable cylinder penetrates through the through hole to be provided with a first linkage part;
the flange divides the first accommodating cavity into a first cavity and a second cavity, a first air hole communicated with the first cavity and a second air hole communicated with the second cavity are formed in the outer cylinder, and the first air hole and the second air hole are used for being connected with an air source;
a second accommodating cavity is formed in the inner cylinder, a flashboard matched with a piston is arranged in the second accommodating cavity, and the flashboard is provided with a second linkage part extending out of the second accommodating cavity;
the flashboard will the second holds the chamber and separates into third chamber and fourth chamber, be equipped with on the inner casing with the third gas pocket of third chamber intercommunication, with the fourth gas pocket of fourth chamber intercommunication, third gas pocket and fourth gas pocket are used for being connected with the air supply.
The first linkage part is a connecting rod connected with the top of the movable cylinder.
The second linkage part is a connecting rod connected with the end face of the bottom of the flashboard.
The outer cylinder circumference wall has first air flue along axial direction extension, first air flue one end with first chamber intercommunication, the other end passes through first gas pocket and air supply intercommunication.
And a second air passage extends from the circumferential wall of the outer cylinder along the axial direction, one end of the second air passage is communicated with the second cavity, and the other end of the second air passage is communicated with an air source through the second air hole.
The inner cylinder circumferential wall extends along the axial direction to form a third air passage, one end of the third air passage is communicated with the third cavity, and the other end of the third air passage is communicated with an air source through the third air hole.
The outer cylinder is provided with a first mounting groove communicated with the through hole, and a first sealing ring in sealing fit with the outer wall of the movable cylinder is arranged in the first mounting groove.
The flange axial outer wall is provided with a second mounting groove, and a second sealing ring in sealing fit with the inner wall of the outer cylinder is arranged in the second mounting groove.
The inner cylinder is provided with a cover plate, the fourth air hole is formed in the cover plate, the cover plate is provided with a fourth air passage, one end of the fourth air passage is communicated with the fourth cavity, and one end of the fourth air passage is communicated with the fourth air hole.
And the base is provided with vent holes which are correspondingly arranged with the first air hole, the second air hole and the third air hole.
The utility model has the advantages that: the utility model provides a two-way cylinder, this two-way cylinder have the outer jar and the inner casing of coaxial setting to set up movable cylinder between inner casing and outer jar, be equipped with first linkage portion on the movable cylinder, set up second linkage portion on the inner casing, two linkage portions can free activity, mutually noninterfere, and the result of use is better.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of an embodiment of the present invention.
Fig. 3 is a schematic perspective view of an embodiment of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings: as shown in the figure, the bidirectional cylinder comprises a base 9, wherein an outer cylinder 1 and an inner cylinder 2 which are coaxially arranged are arranged on the base, a first accommodating cavity 10 is arranged in the outer cylinder, the inner cylinder is arranged in the first accommodating cavity, a through hole 15 is axially arranged on the outer cylinder, a movable cylinder 3 which is movably matched with the inner wall of the outer cylinder is arranged on the inner wall of the outer cylinder, a flange 31 which is matched with a piston on the outer wall of the periphery of the movable cylinder and the inner wall of the first accommodating cavity is arranged on the outer cylinder, and a first linkage part 32 is arranged at one end of the movable cylinder, which penetrates; the flange divides the first accommodating cavity into a first cavity 101 and a second cavity 102, a first air hole 1011 communicated with the first cavity and a second air hole 1021 communicated with the second cavity are arranged on the outer cylinder, and the first air hole and the second air hole are used for being connected with an air source; a second accommodating cavity 21 is formed in the inner cylinder, a flashboard 211 matched with a piston is arranged in the second accommodating cavity, and a second linkage part 212 extending out of the second accommodating cavity is arranged on the flashboard; the flashboard will the second holds the chamber and separates into third chamber 2101 and fourth chamber 2102, be equipped with on the inner cylinder with the third gas pocket 2103 of third chamber intercommunication, with the fourth gas pocket 2104 of fourth chamber intercommunication, third gas pocket and fourth gas pocket are used for being connected with the air supply. The bottom plate can be connected with the outer cylinder through screws, a mounting hole is formed in the axis of the bottom plate, the inner cylinder is arranged in the mounting hole, and the bottom plate of the inner cylinder and the bottom plate are correspondingly arranged to be basically located on the same plane or have 2-5 mm deviation. The movable cylinder has a gap with the inner cylinder to prevent the gas in the movable cylinder from being discharged easily. The base and the outer cylinder can be connected through screws or threads, and the base and the inner cylinder can be connected through screws or threads.
The first linkage part and the second linkage part can be of a connecting rod or a connecting block and the like, and are used for outputting torque, when the movable cylinder needs to be pushed to ascend, the air source enters the second cavity from the second air hole, the movable cylinder ascends, the first cylinder compresses, and the air is discharged from the first air hole, otherwise, the same is true;
when the flashboard needs to be pushed to move downwards, the gas is introduced into the third cavity through the third gas hole to push the flashboard to move, and the gas in the fourth cavity is discharged from the third gas hole, otherwise, the same principle is adopted;
the two linkage parts of the bidirectional cylinder are independent in movement, can move independently without influencing each other, and is better in use effect.
In this embodiment, as shown in the figure, the first linkage part is a connecting rod connected with the top of the movable cylinder.
In this embodiment, as shown in the figure, the second linkage part is a connecting rod connected with the bottom end face of the shutter.
In this embodiment, as shown in the figure, the circumferential wall of the outer cylinder extends along the axial direction to form a first air passage 51, one end of the first air passage is communicated with the first cavity, and the other end of the first air passage is communicated with an air source through the first air hole.
In this embodiment, as shown in the figure, the circumferential wall of the outer cylinder extends along the axial direction to form a second air passage 52, one end of the second air passage is communicated with the second cavity, and the other end of the second air passage is communicated with the air source through the second air hole.
In this embodiment, as shown in the figure, the circumferential wall of the inner cylinder extends along the axial direction to form a third air passage 53, one end of the third air passage is communicated with the third cavity, and the other end of the third air passage is communicated with the air source through the third air hole.
In this embodiment, as shown in the figure, a first mounting groove 16 communicated with the through hole is formed in the outer cylinder, and a first sealing ring 161 hermetically matched with the outer wall of the movable cylinder is arranged in the first mounting groove.
In this embodiment, as shown in the figure, the flange axial outer wall is provided with a second mounting groove 17, and a second sealing ring 171 which is in sealing fit with the outer cylinder inner wall is arranged in the second mounting groove. Simple structure and leakage prevention.
In this embodiment, as shown in the figure, a cover plate 25 is disposed on the inner cylinder, the fourth air hole is disposed on the cover plate, a fourth air channel 54 is disposed on the cover plate, one end of the fourth air channel is communicated with the fourth cavity, and one end of the fourth air channel is communicated with the fourth air hole.
In this embodiment, as shown in the figure, the base is provided with a vent hole 91 corresponding to the first air hole and the second air hole. The first air hole and the second air hole are arranged at the bottom of the corresponding cylinder body, then the base is provided with the air holes for air inlet and outlet, the corresponding third air hole and the corresponding fourth air hole are also arranged at the bottom, and the holes needing to be connected with an air source are arranged at the bottom and are convenient to connect.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The embodiments described with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of the present invention.
Claims (10)
1. The utility model provides a two-way cylinder, includes base (9), be equipped with outer jar (1) and interior jar (2) of coaxial setting on the base, its characterized in that:
a first accommodating cavity (10) is formed in the outer cylinder, the inner cylinder is arranged in the first accommodating cavity, and a through hole (15) is axially formed in the outer cylinder;
the inner wall of the outer cylinder is provided with a movably matched movable cylinder (3), the circumferential outer wall of the movable cylinder is provided with a flange (31) matched with the inner wall of the first accommodating cavity in a piston manner, and one end of the movable cylinder penetrates through the through hole to be provided with a first linkage part (32);
the flange divides the first accommodating cavity into a first cavity (101) and a second cavity (102), a first air hole (1011) communicated with the first cavity and a second air hole (1021) communicated with the second cavity are formed in the outer cylinder, and the first air hole and the second air hole are used for being connected with an air source;
a second accommodating cavity (21) is formed in the inner cylinder, a flashboard (211) matched with a piston is arranged in the second accommodating cavity, and a second linkage part (212) extending out of the second accommodating cavity is arranged on the flashboard;
the flashboard will the second holds the chamber and separates into third chamber (2101) and fourth chamber (2102), be equipped with on the inner cylinder with third gas pocket (2103) of third chamber intercommunication, with fourth gas pocket (2104) of fourth chamber intercommunication, third gas pocket and fourth gas pocket are used for being connected with the air supply.
2. A bi-directional cylinder as set forth in claim 1 wherein: the first linkage part is a connecting rod connected with the top of the movable cylinder.
3. A bidirectional cylinder as set forth in claim 1 or 2, characterized in that: the second linkage part is a connecting rod connected with the end face of the bottom of the flashboard.
4. A bidirectional cylinder as set forth in claim 1 or 2, characterized in that: the outer cylinder circumference wall extends along the axial direction and is provided with a first air passage (51), one end of the first air passage is communicated with the first cavity, and the other end of the first air passage is communicated with an air source through the first air hole.
5. A bi-directional cylinder as set forth in claim 1 wherein: and a second air passage (52) extends from the circumferential wall of the outer cylinder along the axial direction, one end of the second air passage is communicated with the second cavity, and the other end of the second air passage is communicated with an air source through the second air hole.
6. A bi-directional cylinder as set forth in claim 1 wherein: the inner cylinder circumferential wall extends along the axial direction to form a third air passage (53), one end of the third air passage is communicated with the third cavity, and the other end of the third air passage is communicated with an air source through the third air hole.
7. A bi-directional cylinder as set forth in claim 1 wherein: the outer cylinder is provided with a first mounting groove (16) communicated with the through hole, and a first sealing ring (161) in sealing fit with the outer wall of the movable cylinder is arranged in the first mounting groove.
8. A bi-directional cylinder as set forth in claim 1 wherein: the flange is characterized in that a second mounting groove (17) is formed in the outer wall of the flange in the axial direction, and a second sealing ring (171) in sealing fit with the inner wall of the outer cylinder is arranged in the second mounting groove.
9. A bi-directional cylinder as set forth in claim 1 wherein: and the inner cylinder is provided with a cover plate (25), the fourth air hole is formed in the cover plate, the cover plate is provided with a fourth air passage (54), one end of the fourth air passage is communicated with the fourth cavity, and one end of the fourth air passage is communicated with the fourth air hole.
10. A bi-directional cylinder as set forth in claim 1 wherein: and the base is provided with a vent hole (91) which is arranged corresponding to the first air hole and the second air hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921560517.0U CN210919626U (en) | 2019-09-19 | 2019-09-19 | Bidirectional cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921560517.0U CN210919626U (en) | 2019-09-19 | 2019-09-19 | Bidirectional cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210919626U true CN210919626U (en) | 2020-07-03 |
Family
ID=71351683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921560517.0U Active CN210919626U (en) | 2019-09-19 | 2019-09-19 | Bidirectional cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210919626U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671386A (en) * | 2019-09-19 | 2020-01-10 | 温州燧人智能科技有限公司 | Bidirectional cylinder |
| CN114669952A (en) * | 2022-03-18 | 2022-06-28 | 中国水电四局（兰州）机械装备有限公司 | Pressure steel pipe installation group is to inner joint welding frame convenient to dismouting |
-
2019
- 2019-09-19 CN CN201921560517.0U patent/CN210919626U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671386A (en) * | 2019-09-19 | 2020-01-10 | 温州燧人智能科技有限公司 | Bidirectional cylinder |
| CN114669952A (en) * | 2022-03-18 | 2022-06-28 | 中国水电四局（兰州）机械装备有限公司 | Pressure steel pipe installation group is to inner joint welding frame convenient to dismouting |
| CN114669952B (en) * | 2022-03-18 | 2024-04-19 | 中国水电四局（兰州）机械装备有限公司 | Pressure steel pipe installation group is to internal seam welded frame convenient to dismouting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210919626U (en) | Bidirectional cylinder | |
| CN110671386A (en) | Bidirectional cylinder | |
| CN201786808U (en) | Oil cylinder structure | |
| CN108302088A (en) | Monoblock type cylinder connecting device on hydraulic support | |
| CN214888060U (en) | Compact height-adjustable oil cylinder and coal mining machine | |
| CN214945397U (en) | Hydraulic cylinder assembly with built-in displacement sensor | |
| CN204253325U (en) | The compression cylinder of hydraulic piston type natural gas compressor | |
| CN104454782A (en) | Mechanically-locked support oil cylinder | |
| CN212609257U (en) | Hydraulic support jack and hydraulic support | |
| CN211449251U (en) | Cartridge valve of hydraulic pile driving system | |
| CN208918958U (en) | Single sided entry double-acting cylinder | |
| CN202926749U (en) | Short-stroke precise guiding oil cylinder | |
| CN209539706U (en) | Cylinder with lock | |
| CN206845210U (en) | Soft seal low discharge reversal valve | |
| CN205841147U (en) | A kind of air compressor piston | |
| CN215173074U (en) | Telescopic rigid oil pipe | |
| CN209540158U (en) | A kind of power source external pulp shooting machine | |
| CN220378608U (en) | Hydraulic cylinder uide bushing | |
| CN105422426B (en) | Mechanical diaphragm stroke control device | |
| CN112483503A (en) | Hydraulic cylinder | |
| CN218467776U (en) | Noise reduction structure for air compressor | |
| CN216131170U (en) | Boosting cylinder | |
| CN212717489U (en) | Self-sealing hydraulic oil cylinder | |
| CN216589385U (en) | Cylinder with magnetic ring | |
| CN210798924U (en) | Downhole tool for preventing gas backflow |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |