CN217898373U - Automatic exhaust mechanism of hydraulic system - Google Patents
Automatic exhaust mechanism of hydraulic system Download PDFInfo
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- CN217898373U CN217898373U CN202221787495.3U CN202221787495U CN217898373U CN 217898373 U CN217898373 U CN 217898373U CN 202221787495 U CN202221787495 U CN 202221787495U CN 217898373 U CN217898373 U CN 217898373U
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- adjusting bolt
- connecting seat
- hydraulic system
- guide rod
- pipeline
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Abstract
The utility model provides a hydraulic system self-bleeding mechanism, including fixing the screwed joint in the pipeline section highest point, be equipped with the connecting seat on the screwed joint, be equipped with gliding guide arm between connecting seat and the screwed joint, the guide arm tip is equipped with gliding floater, and the floater slidable supports to lean on sealed in the connecting seat bottom, is equipped with threaded connection's adjusting bolt on the connecting seat, is equipped with the relief port on the adjusting bolt to be used for the gassing through relief port and guide arm intercommunication pipeline section and atmosphere. The system pipeline oil filling process can realize the automatic discharge of gas in the pipeline, and even if air infiltrated into the pipeline by an external pipeline exists in the pipeline, the air can be automatically discharged by filling and discharging oil without manual operation; the gas is discharged in the oil filling process, and the design of the internal flow passage can prevent the hydraulic oil from seeping to pollute the working environment; even if the system can not be interrupted, and the pipeline has the gas which can not be discharged automatically, the utility model discloses still can realize manual emergent carminative function through manual screw in adjusting bolt.
Description
Technical Field
The utility model relates to a hydraulic drive's technical field, concretely relates to hydraulic system self-bleeding mechanism.
Background
A certain amount of air is usually present in a pipeline of a hydraulic system during oil charging and discharging processes, particularly at the highest space of the pipeline. Air entrainment tends to degrade system response characteristics and cavitation can cause damage to system components and affect system vibration and noise characteristics, so that air in the system piping should be removed as much as possible. Nowadays, when a hydraulic system is designed, a plurality of manual air release needle valves are often arranged at the highest point of a pipeline space, but the air release needle valves often have the following defects:
1. because the air-releasing device is arranged at the highest point of the pipeline space position, the air-releasing operation is difficult;
2. the air release can be realized only by a manual mode, and the system needs to be manually operated to release air in each oil charging and discharging process, so that the system is very inconvenient;
3. since the air bleeding process is generally performed after the system is filled with pressure oil, the oil is easy to leak, so that the working environment is polluted.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides hydraulic system self-bleeding mechanism, solves the problem among the above-mentioned background art.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: including fixing the screwed joint at the pipeline section highest point, the last connecting seat that is equipped with of screwed joint is equipped with gliding guide arm between connecting seat and the screwed joint, and the guide arm tip is equipped with gliding floater, and the floater is slidable to lean on sealed in the connecting seat bottom, is equipped with threaded connection's adjusting bolt on the connecting seat, is equipped with the relief port on the adjusting bolt to be used for the gassing through relief port and guide arm intercommunication pipeline section and atmosphere.
In the preferred scheme, the connecting seat is in threaded connection with the threaded connector, and a sealing gasket is arranged between the connecting seat and the threaded connector.
In the preferred scheme, the connecting seat is provided with a threaded hole, the adjusting bolt is in threaded connection with the threaded hole, the air release port is an air outlet and an air exhaust port, and the air outlet and the air exhaust port are arranged at two ends of the adjusting bolt.
In the preferred scheme, the air outlet and the air outlet penetrate through the adjusting bolt from the radial direction and are communicated in the axial direction of the adjusting bolt;
rotating the adjusting bolt to seal the exhaust port at the threaded hole, thereby cutting off the communication between the pipe section and the atmosphere;
and when the adjusting bolt is rotated to enable the exhaust port to pass through the threaded hole, the pipe section is communicated with the atmosphere.
In the preferred scheme, one end of the guide rod is provided with an upper stop ring, the other end of the guide rod is provided with a lower stop ring, the upper stop ring is fixed in the connecting seat, the lower stop ring is fixed on the floating ball, and the guide rod abuts against the upper stop ring and slides on the lower stop ring.
In the preferred scheme, the middle part of the guide rod is provided with a through hole, the periphery of the guide rod is provided with a plurality of grooves, two ends of each groove are blocked, two sides of the inner parts of the upper stop ring and the lower stop ring are provided with convex blocks, and the convex blocks abut against the grooves to slide.
In the preferred scheme, the floater is hollow structure, is equipped with the spout in the floater tip, and the guide arm tip supports and leans on to slide in the spout.
In a preferred embodiment, the number of grooves is greater than the number of projections, so that the free grooves are used for air circulation.
In the preferred scheme, the adjusting bolt and the guide rod are coaxial, and the adjusting bolt is rotated to enable the adjusting bolt to push the guide rod to move.
The utility model provides a hydraulic system self-bleeding mechanism, beneficial effect:
1. the system pipeline oil filling process can realize the automatic discharge of gas in the pipeline, and even if air infiltrated into the pipeline by an external pipeline exists in the pipeline, the air can be automatically discharged by filling and discharging oil without manual operation;
2. the gas is discharged in the oil filling process, and the design of the internal flow passage can prevent the hydraulic oil from seeping to pollute the working environment;
3. even if the system can not be interrupted and the pipeline can not automatically exhaust gas, the utility model can still realize the function of manual emergency exhaust by manually screwing in the adjusting bolt;
4. the utility model discloses a standard screwed joint, the modularization degree is high, and interchangeability is good, can set up screwed joint according to system's actual conditions in the suitable position of system's pipeline, can the adaptation installation the device.
Drawings
The invention will be further explained with reference to the following figures and examples:
FIG. 1 is an exploded view of the overall structure of the present invention;
FIG. 2 is a front sectional view of the automatic exhaust of the whole structure of the present invention;
FIG. 3 is a front sectional view of the whole structure of the manual emergency exhaust of the utility model;
FIG. 4 is a front sectional view of the gas discharge seal of the overall structure of the present invention;
FIG. 5 is a side view of the connecting shaft of the guide bar and the stop ring of the present invention;
FIG. 6 is an exploded view of the guide bar and stop ring of the present invention;
in the figure: an adjusting bolt 1; an air outlet 101; an exhaust port 102; a connecting seat 2; a threaded hole 201; a sealing gasket 3; a guide rod 4; a groove 401; a via 402; a floating ball 5; a chute 501; a threaded joint 6; an upper stop ring 7; a bump 701; a pipe section 8; a lower stop collar 9.
Detailed Description
Example 1
As shown in fig. 1 to 6, the automatic exhaust mechanism of the hydraulic system comprises a threaded joint 6 fixed at the highest position of a pipe section 8, a connecting seat 2 is arranged on the threaded joint 6, a sliding guide rod 4 is arranged between the connecting seat 2 and the threaded joint 6, a sliding floating ball 5 is arranged at the end of the guide rod 4, the floating ball 5 can slidably abut against and seal the bottom of the connecting seat 2, an adjusting bolt 1 in threaded connection is arranged on the connecting seat 2, and an air release port is arranged on the adjusting bolt 1, so that the pipe section 8 is communicated with the atmosphere through the air release port and the guide rod 4 for air release. With the structure, the threaded joint 6 is fixed at the highest position of the pipe section 8 in a welding mode, so that gas is collected at the highest position and can be automatically discharged when oil is filled, the liquid level of the oil is raised, the floating ball 5 is guided and floats upwards through the guide rod 4 until the floating ball 5 abuts against the bottom of the connecting seat 2 in a sealing mode, and automatic air release is finished; the vent can be made to communicate the pipe section 8 with the atmosphere by rotating the adjusting bolt 1, or to interrupt the communication of the pipe section 8 with the atmosphere.
In the preferred scheme, connecting seat 2 and screwed joint 6 threaded connection are equipped with seal ring 3 between connecting seat 2 and the screwed joint 6. With the structure, the mounting and dismounting of the connecting seat 2 are simple and convenient, the sealing performance of the connection is ensured by the sealing washer 3, and the leakage of hydraulic oil is avoided.
In a preferred scheme, a threaded hole 201 is formed in the connecting seat 2, the adjusting bolt 1 is in threaded connection with the threaded hole 201, the air discharging ports are an air outlet 101 and an air discharging port 102, and the air outlet 101 and the air discharging port 102 are arranged at two ends of the adjusting bolt 1. With this structure, the adjusting bolt 1 is rotated, so that the exhaust port 102 enters the connecting seat 2, and the pipe section 8 is communicated with the atmosphere.
In a preferred scheme, the air outlet 101 and the air outlet 102 penetrate through the adjusting bolt 1 from the radial direction, and the air outlet 101 and the air outlet 102 are communicated in the axial direction of the adjusting bolt 1;
when the adjusting bolt 1 is rotated to seal the exhaust port 102 at the threaded hole 201, the communication between the pipe section 8 and the atmosphere is cut off;
when the adjusting bolt 1 is rotated to pass the exhaust port 102 over the threaded hole 201, the pipe section 8 is communicated with the atmosphere. With the structure, the air outlet 101 and the air outlet 102 are communicated in the adjusting bolt 1 to form an I shape, so that the air outlet 102 can be blocked at the threaded hole 201 by rotating the adjusting bolt 1 to cut off the communication between the pipe section 8 and the atmosphere, or the air outlet 102 passes through the threaded hole 201 to communicate the pipe section 8 and the atmosphere.
In a preferable scheme, one end of the guide rod 4 is provided with an upper stop ring 7, the other end of the guide rod is provided with a lower stop ring 9, the upper stop ring 7 is fixed in the connecting seat 2, the lower stop ring 9 is fixed on the floating ball 5, and the guide rod 4 abuts against the upper stop ring 7 and the lower stop ring 9 to slide. With the structure, the liquid level rises to drive the floating ball 5 to float upwards, and the guide rod 4 can play a role in guiding.
In a preferable scheme, a through hole 402 is formed in the middle of the guide rod 4, a plurality of grooves 401 are formed in the periphery of the guide rod 4, two ends of each groove 401 are blocked, protruding blocks 701 are arranged on two sides of the inner portions of the upper stop ring 7 and the lower stop ring 9, and the protruding blocks 701 abut against the grooves 401 to slide. With this structure, the guide bar 4 slides more smoothly, and the through-holes 402 are used for air circulation.
In the preferred scheme, the floating ball 5 is of a hollow structure, a sliding groove 501 is arranged in the end part of the floating ball 5, and the end part of the guide rod 4 abuts against the sliding groove 501 to slide. With the structure, the floating ball 5 in the hollow structure ensures the buoyancy of the floating ball 5, and the guide rod 4 can enter the bottom of the sliding groove 501 in the floating process of the floating ball 5, so that the floating ball 5 abuts against the bottom of the connecting seat 2.
Preferably, the number of grooves 401 is greater than the number of projections 701, so that the empty grooves 401 are used for air circulation. With the structure, the number of the grooves 401 is four, two of the protrusions 701 slide against the corresponding grooves 401, and the other two grooves 401 can be used for air circulation.
In the preferred scheme, the adjusting bolt 1 and the guide rod 4 are coaxial, and the adjusting bolt 1 is rotated to enable the adjusting bolt 1 to push the guide rod 4 to move. With the structure, when high-pressure gas exists in the pipe section 8, the adjusting bolt 1 is further rotated to push the guide rod 4 to move downwards, so that the floating ball 5 is driven to move downwards to enable the floating ball 5 to be separated from the connecting seat 2, and the pipe section 8 is communicated with the atmosphere to release the high-pressure gas.
Example 2
As shown in fig. 1 to 6, the following are further illustrated in conjunction with example 1: when the hydraulic oil starts to be introduced into the pipe section 8, the adjusting bolt 1 is rotated to enable the exhaust port 102 to pass through the threaded hole 201, so that the pipe section 8 is communicated with the atmosphere; continuously introducing hydraulic oil, wherein the liquid level rises to drive the floating ball 5 to float upwards along the guide rod 4 until the floating ball floats upwards to abut against the bottom of the connecting seat 2, so that the cut-off pipe section 8 is communicated with the atmosphere; when high-pressure gas in the pipe section 8 cannot be discharged, the adjusting bolt 1 is rotated to push the guide rod 4 to move so as to drive the floating ball 5 to be separated from the bottom of the connecting seat 2, so that the pipe section 8 is communicated with the atmosphere, and manual emergency exhaust is performed; after the gas in the pipe segment 8 is exhausted, the adjusting bolt 1 can be rotated to seal the exhaust port 102 at the threaded hole 201, so as to cut off the communication between the pipe segment 8 and the atmosphere.
The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and equivalents including technical features in the technical solutions described in the claims. I.e., equivalent alterations and modifications within the scope of the invention, are also intended to be covered by the scope of this invention.
Claims (9)
1. The utility model provides a hydraulic system uses automatic air bleeder which characterized by: including fixing screwed joint (6) at pipeline section (8) highest point, be equipped with connecting seat (2) on screwed joint (6), be equipped with gliding guide arm (4) between connecting seat (2) and screwed joint (6), guide arm (4) tip is equipped with gliding floater (5), floater (5) slidable support is by sealed in connecting seat (2) bottom, be equipped with threaded connection's adjusting bolt (1) on connecting seat (2), be equipped with the relief port on adjusting bolt (1), thereby be used for the gassing through relief port and guide arm (4) intercommunication pipeline section (8) and atmosphere.
2. The automatic air release device for the hydraulic system as claimed in claim 1, wherein: the connecting seat (2) is in threaded connection with the threaded joint (6), and a sealing gasket (3) is arranged between the connecting seat (2) and the threaded joint (6).
3. The automatic air release device for the hydraulic system as claimed in claim 1, wherein: a threaded hole (201) is formed in the connecting seat (2), the adjusting bolt (1) is in threaded connection with the threaded hole (201), the air discharging port is an air outlet (101) and an air discharging port (102), and the air outlet (101) and the air discharging port (102) are arranged at two ends of the adjusting bolt (1).
4. The automatic air release device for the hydraulic system as claimed in claim 3, wherein: the air outlet (101) and the air outlet (102) penetrate through the adjusting bolt (1) from the radial direction, and the air outlet (101) and the air outlet (102) are communicated in the axial direction of the adjusting bolt (1);
when the adjusting bolt (1) is rotated to enable the exhaust port (102) to be blocked at the threaded hole (201), the communication between the pipe section (8) and the atmosphere is cut off;
when the adjusting bolt (1) is rotated to enable the exhaust port (102) to cross the threaded hole (201), the pipe section (8) is communicated with the atmosphere.
5. The automatic air release device for the hydraulic system as recited in claim 1, wherein: one end of the guide rod (4) is provided with an upper stop ring (7), the other end of the guide rod is provided with a lower stop ring (9), the upper stop ring (7) is fixed in the connecting seat (2), the lower stop ring (9) is fixed on the floating ball (5), and the guide rod (4) abuts against the upper stop ring (7) and the lower stop ring (9) to slide.
6. The automatic air release device for the hydraulic system as claimed in claim 5, wherein: the middle of the guide rod (4) is provided with a through hole (402), a plurality of grooves (401) are formed in the peripheral side of the guide rod (4), two ends of each groove (401) are blocked, two inner sides of the upper stopping ring (7) and the lower stopping ring (9) are provided with protruding blocks (701), and the protruding blocks (701) abut against the grooves (401) to slide.
7. The automatic air release device for the hydraulic system as claimed in claim 5, wherein: the floating ball (5) is of a hollow structure, a sliding groove (501) is arranged in the end part of the floating ball (5), and the end part of the guide rod (4) is abutted against the sliding groove (501) to slide.
8. The automatic air release device for the hydraulic system as claimed in claim 6, wherein: the number of grooves (401) is greater than the number of projections (701), so that the empty grooves (401) are used for air circulation.
9. The automatic air release device for the hydraulic system as claimed in claim 3, wherein: the adjusting bolt (1) and the guide rod (4) are coaxial, and the adjusting bolt (1) is rotated to enable the adjusting bolt (1) to push the guide rod (4) to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221787495.3U CN217898373U (en) | 2022-07-12 | 2022-07-12 | Automatic exhaust mechanism of hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221787495.3U CN217898373U (en) | 2022-07-12 | 2022-07-12 | Automatic exhaust mechanism of hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217898373U true CN217898373U (en) | 2022-11-25 |
Family
ID=84133505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221787495.3U Active CN217898373U (en) | 2022-07-12 | 2022-07-12 | Automatic exhaust mechanism of hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217898373U (en) |
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2022
- 2022-07-12 CN CN202221787495.3U patent/CN217898373U/en active Active
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