CN220726714U - Hydraulic valve with good safety - Google Patents
Hydraulic valve with good safety Download PDFInfo
- Publication number
- CN220726714U CN220726714U CN202321184564.6U CN202321184564U CN220726714U CN 220726714 U CN220726714 U CN 220726714U CN 202321184564 U CN202321184564 U CN 202321184564U CN 220726714 U CN220726714 U CN 220726714U
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- worm
- rotating handle
- sliding sleeve
- slot
- hydraulic valve
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- 230000037237 body shape Effects 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims description 33
- 238000009434 installation Methods 0.000 claims description 10
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a hydraulic valve with good safety, and relates to the technical field of hydraulic pressure. The hydraulic valve with good safety comprises a hydraulic valve main body; a worm gear fixedly connected to the outside of the switch rotating shaft of the hydraulic valve main body; the worm is meshed with the worm wheel, a slot is formed in the end portion of the worm, and the slot is in a non-revolving body shape; the rotating handle is movably arranged on the fixed structure, the rotating handle stretches out of the inserting rod towards the direction of the inserting groove of the worm, the shape of the inserting rod is consistent with the shape and the size of the inserting groove of the worm, and the inserting rod can be inserted into the inserting groove; and the compressible spring is arranged between the rotating handle and the slot of the worm, so that the inserted rod of the rotating handle is not contacted with the slot of the worm. Only when the spring is compressed, the inserted rod of the rotating handle is inserted into the slot of the worm, so that the device is in an operating state, and the rotating handle head can be rotated to drive the rotating shaft of the hydraulic valve to rotate, so that the safety is high.
Description
Technical Field
The utility model relates to the technical field of hydraulic pressure, in particular to a hydraulic valve with good safety.
Background
The hydraulic valve is an automatic element operated by pressure oil, is controlled by the pressure oil of the pressure distribution valve, is usually combined with an electromagnetic pressure distribution valve, and can be used for remotely controlling the on-off of oil, gas and water pipeline systems of a hydropower station. Is commonly used for clamping, controlling, lubricating and other oil ways. Most of the hydraulic valves are operated by rotating a rotating handle at the outer end of a rotating shaft of a switch, so that the change of the rotating amplitude of the rotating handle is converted into the change of the opening and closing states of the valve.
At present, the switch rotating shaft is directly connected with the rotating handle, so that when the rotating handle is rotated by an external force in a wrong way, the switch rotating shaft connected with the switch rotating shaft rotates simultaneously, and then the switch state of the hydraulic valve is changed by mistake, and the safety of the hydraulic valve is poor.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide the hydraulic valve with good safety, the rotating handle is connected with the switch rotating shaft only in an operation state under the elastic action of the spring, the hydraulic valve rotating shaft can be separated outside the operation state, the problem that the hydraulic valve rotating shaft is rotated by mistake is solved, and the safety is improved.
In order to achieve the above object, the present utility model is achieved by the following technical means.
The utility model provides a hydraulic valve with good safety, which comprises: a hydraulic valve body; a worm gear fixedly connected to the outside of the switch rotating shaft of the hydraulic valve main body; the worm is meshed with the worm wheel, a slot is formed in the end portion of the worm, and the slot is in a non-revolving body shape; the rotating handle is movably arranged on the fixed structure, the rotating handle stretches out of the inserting rod towards the direction of the inserting groove of the worm, the shape of the inserting rod is consistent with the shape and the size of the inserting groove of the worm, and the inserting rod can be inserted into the inserting groove; and the compressible spring is arranged between the rotating handle and the slot of the worm, so that the inserted rod of the rotating handle is not contacted with the slot of the worm.
Optionally, the handle includes fixed connection's commentaries on classics handle head, swivel plate and inserted bar, and the swivel plate is located between commentaries on classics handle head and the inserted bar, and swivel plate diameter is greater than the inserted bar.
Optionally, the turbine and the worm are installed in the installation box, and the outer side of the opening of the installation box is fixedly connected with a protective sleeve; the rotating handle is movably arranged at the outer end of the protective sleeve.
The opening hole diameter of the rotating handle end of the protective sleeve is smaller than that of the rotating plate, so that the rotating plate is limited on the inner side of the protective sleeve.
Optionally, the spring is installed in the protective sheath, is close to the one end fixed connection in the sliding ring of mounting box trompil, sliding ring fixedly connected with coaxial sliding sleeve, the sliding sleeve external diameter is not less than the sliding ring external diameter, and the sliding sleeve has the ladder type hole, and the aperture in ladder position is less than the sliding ring external diameter, and is greater than the sliding ring internal diameter, makes sliding ring and ladder hole constitute an inwards recess.
Optionally, the protruding position sliding connection of recess and T shape fixed pipe, the outer diameter of T shape fixed pipe is less than the aperture of the through-hole of sliding sleeve, and is greater than the aperture of mounting box trompil, makes T shape fixed pipe fixed connection in the outside of mounting box trompil, stretches into the protective sheath.
Optionally, the inner diameter of the T-shaped fixing tube is larger than the outer diameter of the plunger rod.
Optionally, the inserted link, the slip ring, the sliding sleeve and the T-shaped fixed tube are coaxial with the slot of the worm.
Optionally, the worm is rotatably mounted at a fixed position of the mounting box, so that the position of the rotation shaft of the worm is kept unchanged when the worm rotates.
The beneficial effects of the utility model are as follows:
1. according to the utility model, the compressible spring is used for separating the inserted link of the rotating handle from the slot of the worm in a time except the operation state, so that the rotating shaft of the hydraulic valve is prevented from being rotated by mistake; only when the spring is compressed, the inserted rod of the rotating handle is inserted into the slot of the worm, so that the device is in an operating state, and the rotating handle head is rotated to drive the rotating shaft of the hydraulic valve to rotate. High safety and good reliability
2. The utility model uses the turbine and worm to drive, changes the rotation axis, and can actively adjust the position and rotation direction of the handle head, so that the handle head is in a direction and position which is not easy to rotate by mistake. Further enhancing the safety of the hydraulic valve.
3. The utility model rubs between the protruding part of the T-shaped fixed pipe and the groove formed by the slip ring and the stepped hole, has large friction surface and good durability, and ensures that the device can reliably operate for a long time.
4. The utility model protects the whole device by the installation box and the protective sleeve, protects the device from being damaged by collision and the hands of an operator from being damaged when the worm wheel and the worm are meshed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
In the figure: the mutual spacing or dimensions are exaggerated for the purpose of showing the positions of the various parts, and the schematic illustrations are used for illustration only.
FIG. 1 is a perspective view of a hydraulic valve of the present utility model with good safety;
FIG. 2 is a schematic view of the mounting box and the inner structure of the protective sleeve of the hydraulic valve with good safety;
FIG. 3 is an exploded view of the overall structure of a hydraulic valve of the present utility model with good safety;
FIG. 4 is an exploded view of the mounting box and the inner structure of the protective sleeve of the hydraulic valve with good safety;
FIG. 5 is a cross-sectional view of the handle-to-worm drive mechanism of a hydraulic valve of the present utility model with good safety;
the hydraulic valve comprises a hydraulic valve body 1, a flange plate 3, a switch rotating shaft 4, a mounting box 5, a mounting box opening 6, a worm wheel 7, a worm rod 8, a slot 9.T-shaped fixing pipe 10, a sliding sleeve 11, a sliding ring 12, a spring 13, a rotating plate 14, a plug rod 15, a rotating handle head 16 and a protective sleeve.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
The embodiment provides a hydraulic valve with good safety, and the whole structure is shown in figure 1.
The hydraulic valve comprises a hydraulic valve main body 1, flange plates 2 at two ends of the hydraulic valve, a mounting box 4, a protective sleeve 16 and a rotating handle head 15, wherein the outer end of the protective sleeve 16 is exposed, and other components are positioned in the mounting box 4 and the protective sleeve 16 and are not exposed.
As shown in fig. 2, the installation box 4 and the protective sleeve 16 are internally provided, and the outer part of the switch rotating shaft 3 of the hydraulic valve is fixedly connected with the worm wheel 6; the worm 7 is meshed with the worm wheel 6.
As shown in fig. 3, a slot 8 is formed at the end of the worm 7, and the slot 8 is in a non-revolving body shape; the turbine 6 and the worm 7 are arranged in the installation box 4, and the installation box opening 5 is positioned at one end of a slot 8 of the worm 7; the outer side of the mounting box opening 5 is fixedly connected with a protective sleeve 16 (shown in figure 1); the outer end of the protective sleeve 16 is movably provided with a rotating handle.
As shown in fig. 4, the steering handle extends out of the inserting rod 14 towards the direction of the opening 5 of the mounting box, the shape of the inserting rod 14 is matched with the shape and the size of the inserting groove 8 of the worm 7, and the inserting rod can be inserted into the inserting groove;
the protective sleeve 16 is internally provided with a compressible spring 12, and the spring 12 is positioned between the rotating plate 13 of the rotating handle and the hole 5 of the mounting box (shown in figure 3), so that the inserted rod 14 of the rotating handle is not contacted with the slot 8 of the worm 7.
In this embodiment, the handle includes a handle head 15, a rotating plate 13 and a plug rod 14 which are fixedly connected, the rotating plate 13 is located between the handle head 15 and the plug rod 14, and the diameter of the rotating plate 13 is larger than that of the plug rod 14.
As shown in fig. 3, the handle end of the protective sleeve 16 has a smaller aperture than the swivel plate 13, such that the swivel plate 13 is confined within the protective sleeve 16, preventing the handle from falling out of the protective sleeve 16.
In this embodiment, as shown in fig. 5, the spring 12 in the protecting sleeve 16 is fixedly connected to the sliding ring 11 at the end of the spring close to the opening of the mounting box, the sliding ring is fixedly connected with a coaxial sliding sleeve 10, the outer diameter of the sliding sleeve 10 is not smaller than that of the sliding ring 11, the sliding sleeve 10 has a stepped inner hole, the aperture of the stepped position is smaller than that of the sliding ring 11 and larger than that of the sliding ring 11, so that the sliding ring 11 and the sliding sleeve 10 form an inward groove together.
Preferably, the outer diameter of the sliding sleeve 10 is equal to the outer diameter of the sliding ring 11, the sliding sleeve 10 is provided with a stepped inner hole, the aperture of the stepped position is smaller than the outer diameter of the sliding ring 11 and larger than the inner diameter of the sliding ring 11, so that the sliding ring 11 and the sliding sleeve 10 jointly form an inward groove, and the aperture of a through hole of the stepped inner hole is equal to the inner diameter of the sliding ring.
The protruding part of the T-shaped fixing tube 9 is embedded into the groove, and can slide and rotate relative to the groove.
The outer diameter of the T-shaped fixed pipe 9 is smaller than the aperture of the through hole of the sliding sleeve 10 and larger than the aperture of the opening 5 of the installation box, so that the T-shaped fixed pipe 9 can be fixedly connected to the outer side of the opening 5 of the installation box and extend into the protective sleeve.
The inner diameter of the T-shaped fixing tube 9 is larger than the outer diameter of the inserted link 14.
The inserted link 14, the slip ring 11, the sliding sleeve 10 and the T-shaped fixed tube 9 are coaxial with the slot 8 of the worm.
The slot 8 of the worm 7 is coaxial with the worm 7.
In the present embodiment, the worm 7 is rotatably mounted at a fixed position of the mounting box 4, and when the worm 7 rotates, the position of the rotation axis of the worm 7 is kept unchanged, and the worm 7 is always in contact with the side face of the worm wheel 6.
The assembly method of the protective cover 16 and the respective structures inside the mounting case 4 is as follows.
As shown in fig. 5, the rotating plate 13 and the inserting rod 14 are of an integral structure and are of a split structure with the handle head 5, the integral structure formed by the rotating plate 13 and the inserting rod 14 is arranged on the inner side of the protective sleeve 16, and the rotating handle head 5 on the outer side is fixedly connected with the opening of the handle end of the protective sleeve 16.
The spring 12 and the slip ring 11 are of an integral structure, the spring 12 is arranged on the periphery of the inserted link 14 in the protective sleeve 16, the slip ring 11 is far away from the rotating plate 13, and the spring 12 is fixedly connected with the rotating plate 13.
The T-shaped fixed pipe 9 passes through the through hole of the sliding sleeve 10, the protruding part of the T-shaped fixed pipe 9 is positioned in the stepped hole of the sliding sleeve 10, and the sliding sleeve 10 is fixedly connected with the sliding ring 11, so that the protruding part of the T-shaped fixed pipe 9 is embedded into the groove formed by the sliding sleeve 10 and the sliding ring 11.
One end of the T-shaped fixing tube 9 is fixed to the outside of the mounting box opening 5 of the mounting box 4 and is coaxial with the mounting box opening 5.
The worm 7 is rotatably mounted in a fixed position of the mounting box 4 with the slot 8 facing the mounting box opening 5, the worm 7 being coaxial with the mounting box opening 5.
The protective sleeve 16 is fixedly arranged outside the mounting box opening 5 of the mounting box 4, so that the protective range of the protective sleeve 16 comprises the T-shaped fixing tube 9.
The worm wheel 6 is fixedly connected to the outer side of the switch rotating shaft 3 of the hydraulic valve, the whole structure formed by the mounting box 4 and the protective sleeve 16 is buckled on the outer side of the worm wheel 6, and the position is adjusted to finish the mounting.
The working principle is as follows.
When the device is needed to be used, the handle head 15 is held by hand, then the handle head 15 is pushed backwards, the rotary plate 13 and the inserting rod 14 are driven to move backwards by the movement of the handle head 15, the spring 12 is compressed by the movement of the rotary plate 13, and the inserting rod 14 is inserted into the inserting slot 8 by the backward movement of the inserting rod 14.
Then the rotating handle head 15 is rotated, at the moment, the inserting rod 14 is driven to rotate through the rotation of the rotating handle head 15, the inserting rod 14 drives the worm 7 to rotate, the worm 7 rotates to drive the worm wheel 6 to rotate, and then the switch rotating shaft 3 is driven to rotate through the worm wheel 6, so that the hydraulic valve main body 1 is opened.
When the hydraulic valve main body 1 is opened, the rotating handle head 15 is loosened, the rotating handle head 15 is reset through the elastic action of the spring 12, the inserting rod 14 is driven to be separated from the worm 7, and at the moment, the worm 7 cannot be driven to rotate by rotating the rotating handle head 15, so that the problem of mistakenly opening the hydraulic valve main body 1 is prevented.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (10)
1. A hydraulic valve with good safety, comprising:
a hydraulic valve body;
a worm gear fixedly connected to the outside of the switch rotating shaft of the hydraulic valve main body;
the worm is meshed with the worm wheel, a slot is formed in the end portion of the worm, and the slot is in a non-revolving body shape;
the rotating handle is movably arranged on the fixed structure, the rotating handle stretches out of the inserting rod towards the direction of the inserting groove of the worm, the shape of the inserting rod is consistent with the shape and the size of the inserting groove of the worm, and the inserting rod can be inserted into the inserting groove;
and the compressible spring is arranged between the rotating handle and the slot of the worm, so that the inserted rod of the rotating handle is not contacted with the slot of the worm.
2. A hydraulic safety valve according to claim 1, wherein,
the turbine and the worm are arranged in the installation box, and the outer side of the opening of the installation box is fixedly connected with the protective sleeve; the rotating handle is movably arranged at the outer end of the protective sleeve.
3. A hydraulic safety valve according to claim 2, wherein,
the rotating handle comprises a rotating handle head, a rotating plate and an inserting rod which are fixedly connected, wherein the rotating plate is positioned between the rotating handle head and the inserting rod, and the diameter of the rotating plate is larger than that of the inserting rod.
4. A hydraulic safety valve according to claim 3, wherein,
the aperture of the opening at the rotating handle end of the protective sleeve is smaller than that of the rotating plate.
5. A hydraulic safety valve according to claim 2, wherein,
the spring is installed in the protective sheath, and its one end that is close to the mounting box trompil is fixedly connected with in the sliding ring, sliding ring fixedly connected with coaxial sliding sleeve.
6. A hydraulic safety valve according to claim 5, wherein,
the outer diameter of the sliding sleeve is not smaller than that of the sliding sleeve, the sliding sleeve is provided with a stepped inner hole, the aperture of the stepped position is smaller than that of the sliding sleeve, and the aperture of the stepped position is larger than that of the sliding sleeve, so that the sliding sleeve and the sliding sleeve form an inward groove together.
7. A hydraulic safety valve according to claim 5, wherein,
the outer diameter of the sliding sleeve is equal to the outer diameter of the sliding ring, the sliding sleeve is provided with a stepped inner hole, the aperture of the stepped position is smaller than the outer diameter of the sliding ring and larger than the inner diameter of the sliding ring, so that the sliding ring and the sliding sleeve form an inward groove together, and the aperture of a through hole of the stepped inner hole is equal to the inner diameter of the sliding ring.
8. A hydraulic safety valve according to claim 6 or 7,
the protruding part of the T-shaped fixing tube is embedded into the groove, and the outer diameter of the T-shaped fixing tube is smaller than the aperture of the through hole of the sliding sleeve and larger than the aperture of the opening of the mounting box; the inner diameter of the T-shaped fixed pipe is larger than the outer diameter of the inserted link.
9. A hydraulic safety valve as set forth in claim 8, wherein,
the inserted link, the slip ring, the sliding sleeve and the T-shaped fixed tube are coaxial with the slot of the worm.
10. A hydraulic safety valve according to claim 1, wherein,
the worm is rotatably arranged at a fixed position, so that the position of the rotating shaft of the worm is kept unchanged when the worm rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321184564.6U CN220726714U (en) | 2023-05-16 | 2023-05-16 | Hydraulic valve with good safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321184564.6U CN220726714U (en) | 2023-05-16 | 2023-05-16 | Hydraulic valve with good safety |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220726714U true CN220726714U (en) | 2024-04-05 |
Family
ID=90484016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321184564.6U Active CN220726714U (en) | 2023-05-16 | 2023-05-16 | Hydraulic valve with good safety |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220726714U (en) |
-
2023
- 2023-05-16 CN CN202321184564.6U patent/CN220726714U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |