CN220015694U - Exhaust mechanism for hydraulic cylinder - Google Patents
Exhaust mechanism for hydraulic cylinder Download PDFInfo
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- CN220015694U CN220015694U CN202320789459.9U CN202320789459U CN220015694U CN 220015694 U CN220015694 U CN 220015694U CN 202320789459 U CN202320789459 U CN 202320789459U CN 220015694 U CN220015694 U CN 220015694U
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- hydraulic cylinder
- exhaust
- air pipe
- bolt
- cylinder
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- 238000009434 installation Methods 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- 238000013022 venting Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 230000033001 locomotion Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of hydraulic cylinders, and particularly relates to an exhaust mechanism for a hydraulic cylinder, which comprises a hydraulic cylinder, wherein an exhaust device is arranged on the right side of the top of the hydraulic cylinder, mounting devices are arranged on the left side and the right side of the hydraulic cylinder, a piston is mounted in the hydraulic cylinder, a push rod is fixedly mounted on the left side of the piston, a first oil filling port is fixedly mounted on the left side of the top of the hydraulic cylinder, and a second oil filling port is fixedly mounted on the right side of the top of the hydraulic cylinder. This an exhaust mechanism for pneumatic cylinder is convenient for the inside gaseous discharge of pneumatic cylinder through setting up exhaust apparatus, simple structure, and convenient operation improves exhaust efficiency, has solved the in-process that proposes among the prior art and installs the cooperation exhaust through two discharge valves and cylinder body to increase the weight of pneumatic cylinder, the operation is more complicated simultaneously, influences exhaust efficiency problem, is convenient for install the end cover through setting up installation device, thereby seals the pneumatic cylinder.
Description
Technical Field
The utility model relates to the technical field of hydraulic cylinders, in particular to an exhaust mechanism for a hydraulic cylinder.
Background
The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion), has simple structure and reliable work, can avoid a speed reducing device when being used for realizing reciprocating motion, has no transmission clearance and stable motion, and is widely applied to hydraulic systems of various machines.
The hydraulic cylinder can have gas entering the cylinder body for a long time operation, so that the hydraulic cylinder is disturbed in operation, the existing exhaust device is provided with an exhaust port at the end part, the gas in the cylinder body cannot be completely exhausted in the mode, the mode can only realize the exhaust of the vertical hydraulic cylinder, and the mode is inapplicable to the transverse hydraulic cylinder, has poor exhaust effect and small application range.
As disclosed in chinese patent CN211314725U, an exhaust device for a hydraulic cylinder directly provides a cylinder body for a hydraulic rod, and a gas collecting groove is arranged between the inner side wall of the cylinder body and a high point, so that gas inside the cylinder body can be conveniently collected, the exhaust position can be ensured to be sealed by respectively performing transition and exhaust through dividing the exhaust process into two steps, the exhaust gas is completely discharged, the connection position between the bottom of a steel ball and an exhaust pipe is fixedly arranged into a cone shape, the contact area with the steel ball is increased, the sealing effect can be better provided, the left and right movement distance of the steel ball can be limited by fixedly arranging a limit ring at the edge of the steel ball, and the phenomenon of gas leakage caused by the deviation of the steel ball is prevented.
But the device is through two discharge valves and cylinder body installation cooperation exhaust in the use to increase the weight of pneumatic cylinder, the operation is more complicated simultaneously, influences exhaust efficiency.
For this reason, it is highly desirable to provide a venting mechanism for hydraulic cylinders.
Disclosure of Invention
The utility model aims to provide an exhaust mechanism for a hydraulic cylinder, which solves the problems that in the prior art, two exhaust valves are matched with a cylinder body for exhaust in the use process, so that the weight of the hydraulic cylinder is increased, the operation is complex, and the exhaust efficiency is influenced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the exhaust mechanism for the hydraulic cylinder comprises the hydraulic cylinder, and an exhaust device is arranged on the right side of the top of the hydraulic cylinder.
The exhaust device comprises a first air pipe, steel balls, springs, a pull rod, a fixing rod, a stop block, a second air pipe and an exhaust valve, wherein the first air pipe is fixedly arranged on the right side of the top of the hydraulic cylinder, the steel balls are movably arranged at the lower end inside the first air pipe, the springs are fixedly arranged at the tops of the steel balls, the other ends of the springs are connected with an upper cover inside the first air pipe, the pull rod is arranged on the inner surface of the springs and penetrates through the top of the first air pipe, the fixing rod is fixedly arranged on the side face of the pull rod, the stop block is fixedly arranged on the left side and the right side of the top of the first air pipe, the second air pipe is fixedly connected to the front side of the first air pipe, and the exhaust valve is fixedly arranged at one end, far away from the first air pipe, of the second air pipe.
Preferably, the hydraulic cylinder left and right sides is provided with installation device, installation device includes left end cover, first bolt, right-hand member lid and second bolt, the left end cover is installed in the hydraulic cylinder left side, first bolt threaded connection is in the left side of left end cover, the right-hand member lid is installed in the hydraulic cylinder right side, second bolt threaded connection is in the right side of right end cover.
Preferably, the hydraulic cylinder internally provided with a piston, the left side of the piston is fixedly provided with a push rod, the left side of the top of the hydraulic cylinder is fixedly provided with a first oil filling port, and the right side of the top of the hydraulic cylinder is fixedly provided with a second oil filling port.
Preferably, an exhaust hole is formed in the left side of the interior of the hydraulic cylinder below the first air pipe, so that air in the hydraulic cylinder moves upwards to gather in the exhaust hole.
Preferably, the bottom of the fixed rod is clamped with the stop block, the stop block limits the fixed rod, the fixed rod is prevented from rotating, and the steel balls are pushed to move upwards by air pressure in the hydraulic cylinder.
Preferably, the first bolt penetrates through the left end cover to be in threaded connection with the hydraulic cylinder, the second bolt penetrates through the right end cover to be in threaded connection with the hydraulic cylinder, and the left end cover, the right end cover and the hydraulic cylinder are fixed through the first bolt and the second bolt.
Preferably, the diameter of the steel ball is equal to the inner diameter of the first air pipe, and the steel ball moves up and down so as to control the discharge of the internal air.
Compared with the prior art, the utility model has the beneficial effects that:
1. this an exhaust mechanism for pneumatic cylinder is convenient for the inside gaseous discharge of pneumatic cylinder through setting up exhaust apparatus, simple structure, and convenient operation improves exhaust efficiency, has solved the exhaust through two discharge valves and cylinder body installation cooperation in the use that propose among the background art to increase the weight of pneumatic cylinder, the operation is more complicated simultaneously, influences exhaust efficiency problem.
2. This an exhaust mechanism for pneumatic cylinder is convenient for install the end cover through setting up installation device to seal the pneumatic cylinder.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a cross-sectional view of a hydraulic cylinder of the present utility model;
fig. 4 is a schematic view of the internal structure of the first air pipe according to the present utility model.
In the figure: 1. a hydraulic cylinder; 201. a first air tube; 202. steel balls; 203. a spring; 204. a pull rod; 205. a fixed rod; 206. a stop block; 207. a second air pipe; 208. an exhaust valve; 301. a left end cover; 302. a first bolt; 303. a right end cover; 304. a second bolt; 4. a piston; 5. a push rod; 6. a first oil filling port; 7. and a second oil filling port.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution:
embodiment one:
the exhaust mechanism for the hydraulic cylinder comprises a hydraulic cylinder 1, wherein an exhaust device is arranged on the right side of the top of the hydraulic cylinder 1.
The exhaust device comprises a first air pipe 201, steel balls 202, a spring 203, a pull rod 204, a fixing rod 205, a stop block 206, a second air pipe 207 and an exhaust valve 208, wherein the first air pipe 201 is fixedly arranged on the right side of the top of the hydraulic cylinder 1, the left side of the inside of the hydraulic cylinder 1 is positioned below the first air pipe 201 and is provided with exhaust holes, air in the hydraulic cylinder 1 moves upwards to gather in the exhaust holes, the steel balls 202 are movably arranged at the lower end of the inside of the first air pipe 201, the diameter of each steel ball 202 is equal to the inner diameter of the corresponding first air pipe 201, the steel balls 202 move up and down, so that the exhaust of the internal air is controlled, the spring 203 is fixedly arranged at the top of each steel ball 202, the other end of the spring 203 is connected with an upper cover in the first air pipe 201, the pull rod 204 is arranged on the inner surface of the spring 203 and penetrates through the top of the first air pipe 201, the fixing rod 205 is fixedly arranged on the side of the pull rod 204, the bottom of the fixing rod 205 is clamped with the stop block 206, the fixing rod 205 is limited by the stop block 206, the fixing rod 205 is prevented from rotating, the inside of the hydraulic cylinder 1 is pushed up by the steel balls 202, the stop block 206 is fixedly arranged at the left and right side of the top of the first air pipe 201, the second air pipe 207 is fixedly connected to the front of the first air pipe 201, and the other end 208 is fixedly arranged on the front of the side of the first air pipe 201, and the exhaust valve 208 is kept far from the first exhaust valve 1.
The inside of the hydraulic cylinder 1 is provided with a piston 4, the diameter of the piston 4 is equal to the inner diameter of the hydraulic cylinder 1, the left side of the piston 4 is fixedly provided with a push rod 5, the left side of the top of the hydraulic cylinder 1 is fixedly provided with a first oil filling port 6, and the right side of the top of the hydraulic cylinder 1 is fixedly provided with a second oil filling port 7.
Embodiment two:
based on the first embodiment: the left and right sides of pneumatic cylinder 1 are provided with installation device, installation device includes left end cover 301, first bolt 302, right-hand member cover 303 and second bolt 304, left end cover 301 is installed in pneumatic cylinder 1 left side, first bolt 302 threaded connection is in left side of left end cover 301, right-hand member cover 303 is installed in pneumatic cylinder 1 right side, second bolt 304 threaded connection is in right side of right end cover 303, first bolt 302 runs through left end cover 301 and pneumatic cylinder 1 threaded connection, second bolt 304 runs through right end cover 303 and pneumatic cylinder 1 threaded connection, be fixed with left end cover 301 and right end cover 303 and pneumatic cylinder 1 through first bolt 302 and second bolt 304, thereby seal pneumatic cylinder 1.
When the hydraulic cylinder 1 is required to be exhausted, the pull rod 204 is rotated to enable the fixing rod 205 to be separated from the stop block 206, the pull rod 204 is pulled to drive the steel ball 202 to move upwards, so that gas enters the second gas pipe 207 through the first gas pipe 201, the exhaust valve 208 is opened to enable the gas to be exhausted, when oil overflows, the exhaust valve 208 is closed, the pull rod 204 is pushed to enable the steel ball 202 to move downwards to seal the exhaust hole, the pull rod 204 is rotated again to enable the fixing rod 205 to be matched with the stop block 206, and accordingly the pull rod 204 is fixed, and exhaust is completed.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Claims (7)
1. An exhaust mechanism for a hydraulic cylinder, comprising a hydraulic cylinder (1), characterized in that: an exhaust device is arranged on the right side of the top of the hydraulic cylinder (1);
the exhaust device comprises a first air pipe (201), steel balls (202), a spring (203), a pull rod (204), a fixing rod (205), a stop block (206), a second air pipe (207) and an exhaust valve (208), wherein the first air pipe (201) is fixedly arranged on the right side of the top of the hydraulic cylinder (1), the steel balls (202) are movably arranged at the lower end inside the first air pipe (201), the spring (203) is fixedly arranged at the top of the steel balls (202) and the other end of the spring is connected with an upper cover inside the first air pipe (201), the pull rod (204) is arranged on the inner surface of the spring (203) and penetrates through the top of the first air pipe (201), the fixing rod (205) is fixedly arranged on the side face of the pull rod (204), the stop block (206) is fixedly arranged on the left side and the right side of the top of the first air pipe (201), the second air pipe (207) is fixedly connected to the front side of the first air pipe (201), and the exhaust valve (208) is fixedly arranged at one end of the second air pipe (207) far away from the first air pipe (201).
2. An exhaust mechanism for a hydraulic cylinder as claimed in claim 1, wherein: the hydraulic cylinder (1) left and right sides is provided with installation device, installation device includes left end cover (301), first bolt (302), right-hand member lid (303) and second bolt (304), left end cover (301) are installed in pneumatic cylinder (1) left side, first bolt (302) threaded connection is in left side of left end cover (301), right-hand member lid (303) are installed in pneumatic cylinder (1) right side, second bolt (304) threaded connection is in right side of right-hand member lid (303).
3. An exhaust mechanism for a hydraulic cylinder as claimed in claim 1, wherein: the hydraulic cylinder (1) internally mounted has piston (4), piston (4) left side fixed mounting has push rod (5), hydraulic cylinder (1) top left side fixed mounting has first oiling mouth (6), hydraulic cylinder (1) top right side fixed mounting has second oiling mouth (7).
4. An exhaust mechanism for a hydraulic cylinder as claimed in claim 1, wherein: the left side in the hydraulic cylinder (1) is positioned below the first air pipe (201) and is provided with an exhaust hole.
5. An exhaust mechanism for a hydraulic cylinder as claimed in claim 1, wherein: the bottom of the fixing rod (205) is clamped with the stop block (206).
6. A venting mechanism for a hydraulic cylinder as claimed in claim 2, wherein: the first bolt (302) penetrates through the left end cover (301) to be in threaded connection with the hydraulic cylinder (1), and the second bolt (304) penetrates through the right end cover (303) to be in threaded connection with the hydraulic cylinder (1).
7. An exhaust mechanism for a hydraulic cylinder as claimed in claim 1, wherein: the diameter of the steel ball (202) is equal to the inner diameter of the first air pipe (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320789459.9U CN220015694U (en) | 2023-04-11 | 2023-04-11 | Exhaust mechanism for hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320789459.9U CN220015694U (en) | 2023-04-11 | 2023-04-11 | Exhaust mechanism for hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220015694U true CN220015694U (en) | 2023-11-14 |
Family
ID=88678832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320789459.9U Active CN220015694U (en) | 2023-04-11 | 2023-04-11 | Exhaust mechanism for hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220015694U (en) |
-
2023
- 2023-04-11 CN CN202320789459.9U patent/CN220015694U/en active Active
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