CN220769827U - Sealing plug for pilot control oil way - Google Patents
Sealing plug for pilot control oil way Download PDFInfo
- Publication number
- CN220769827U CN220769827U CN202321839393.6U CN202321839393U CN220769827U CN 220769827 U CN220769827 U CN 220769827U CN 202321839393 U CN202321839393 U CN 202321839393U CN 220769827 U CN220769827 U CN 220769827U
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- China
- Prior art keywords
- groove
- valve body
- thin
- round section
- control oil
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- 238000007789 sealing Methods 0.000 title claims abstract description 55
- 238000009434 installation Methods 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 27
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Valve Housings (AREA)
Abstract
The utility model relates to the technical field of hydraulic control, and discloses a sealing plug for a pilot control oil way. The utility model relates to a sealing plug for a pilot control oil way, which comprises the following components: the side wall of the thick round section and the side wall of the thin round section are provided with external threads, the end face of the thin round section is provided with a round groove, the round groove extends inwards along the axial direction, the side wall of the round groove of the thin round section is provided with a through hole, and the end face of the thick round section is provided with an inner hexagonal groove. According to the sealing plug for the pilot control oil way, the thin round section is in threaded connection with the valve body, so that the valve cavity of the valve body is plugged; the through hole of the thin circular section is communicated with the control oil duct of the valve body, and control oil enters the valve cavity from the through hole of the thin circular section, so that the limitation between the position of the control oil port and the length of the screw thread of the plug can be avoided; the circular groove of the thin circular section provides the movable space of the valve rod in the valve body and the installation space of the spring, so that the overall length of the valve body can be reduced, and the valve body can be conveniently installed subsequently.
Description
Technical Field
The embodiment of the utility model relates to the technical field of hydraulic control, in particular to a sealing plug for a pilot control oil way.
Background
The hydraulic control system is based on power provided by a motor, uses a hydraulic pump to convert mechanical energy into pressure, pushes hydraulic oil, and changes the flow direction of the hydraulic oil by controlling various valves so as to push a hydraulic cylinder to perform actions with different strokes and different directions, thereby completing different action requirements of various devices.
In the pilot control oil path of the existing hydraulic control system, a valve body generally seals a valve cavity through an end cover (plug).
The inventor of the application finds that the plug used by the valve body at present only has a sealing function, so that the whole length of the valve body is longer, and difficulty is brought to the installation of the valve body.
Disclosure of Invention
The utility model aims to provide a sealing plug for a pilot control oil way, which can reduce the length of a valve body so as to solve the problems in the background technology.
The embodiment of the utility model provides a sealing plug for a pilot control oil way, which is cylindrical and comprises: a coarse circle segment and a fine circle segment;
the side wall of the thin round section is provided with external threads, and the thin round section is used for being in threaded connection with the valve body;
the end face of the thin round section is provided with a round groove which extends inwards along the axial direction;
the side wall of the circular groove of the thin circular section is provided with a through hole which is used for communicating with a control oil duct of the valve body;
the end face of the thick round section is provided with an inner hexagonal groove, and the inner hexagonal groove is used for inserting a hexagonal wrench.
Based on the above scheme, the sealing plug for the pilot control oil way is characterized in that the side wall of the fine round section is provided with external threads by arranging the coarse round section and the fine round section, the end face of the fine round section is provided with a round groove, the side wall of the round groove is provided with a through hole, and the end face of the coarse round section is provided with an inner hexagonal groove. According to the sealing plug for the pilot control oil way, the thin round section is in threaded connection with the valve body, so that the valve cavity of the valve body is plugged; the through hole of the thin circular section is communicated with the control oil duct of the valve body, and control oil enters the valve cavity from the through hole of the thin circular section, so that the limitation between the position of the control oil port and the length of the screw thread of the plug can be avoided; the circular groove of the thin circular section provides the movable space of the valve rod in the valve body and the installation space of the spring, so that the overall length of the valve body can be reduced, and the valve body can be conveniently installed subsequently.
In one possible implementation, the method further includes: a seal ring;
the sealing ring is sleeved on the thin round section, one side of the sealing ring is propped against the thick round section, and the other side of the sealing ring is propped against the valve body.
In one possible solution, the thick round section is provided with a mounting groove for the sealing ring to be embedded.
In one possible solution, the thin circular section is provided with an annular groove, which communicates with the mounting groove.
In one possible embodiment, the side wall of the annular groove facing away from the rough circle segment is tapered.
In one possible scheme, the sealing plug is provided with a containing groove at the bottom of the circular groove, and the containing groove is used for embedding a spring.
In one possible solution, the through hole is perpendicular to the side wall of the circular recess.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic view of a seal plug for a pilot-controlled oil passage in an embodiment of the present utility model;
fig. 2 is a schematic view illustrating a use state of a sealing plug according to an embodiment of the present utility model.
Reference numerals in the drawings:
1. sealing the plugs; 11. a thick circle segment; 111. an inner hexagonal groove; 112. a mounting groove; 12. a thin round section; 121. a circular groove; 122. a through hole; 123. an annular groove; 124. a receiving groove; 13. a seal ring; 2. a valve body; 21. and controlling an oil duct.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. 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.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; either directly, or indirectly, through intermediaries, may be in communication with each other, or may be in interaction with each other, unless explicitly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The technical scheme of the utility model is described in detail below by specific examples. The following embodiments may be combined with each other, and some embodiments may not be repeated for the same or similar concepts or processes.
As described in the background of the application, in the pilot control oil passage of the existing hydraulic control system, the valve element (valve body) generally closes the valve cavity by an end cap (plug).
The inventor of the application finds that the plug used by the valve body at present only has a sealing function, so that the whole length of the valve member is longer. In some extreme narrow installation spaces difficulties are presented to the installation of the valve member.
In order to solve the above problems, the present inventors propose a technical solution of the present application, and specific embodiments are as follows:
fig. 1 is a schematic diagram of a sealing plug for a pilot-controlled oil path according to an embodiment of the present utility model, and fig. 2 is a schematic diagram of a use state of the sealing plug according to an embodiment of the present utility model.
As shown in fig. 1 and 2, the sealing plug 1 for a pilot control oil passage of the present embodiment has a cylindrical shape with steps, and includes: a rough circular segment 11 and a fine circular segment 12.
The thick round section 11 and the thin round section 12 are adjacently arranged, and the joint of the thick round section 11 and the thin round section 12 forms a step.
The circumference lateral wall of the thin round section 12 of the sealing plug 1 is provided with external threads, the thin round section 12 of the sealing plug 1 is connected with the valve body 2 in a threaded connection mode, the thin round section 12 is meshed with a threaded hole of the valve body 2, the step shoulder of the sealing plug 1 is abutted against the end face of the valve body 2, and the valve cavity of the valve body 2 is plugged.
The end face of the thin round section 12 is provided with a circular groove 121, the circular groove 121 extends towards the inner side of the thin round section 12 along the axial direction, and the circular groove 121 of the thin round section 12 provides a movable space for a valve core and a spring in the valve cavity.
The sealing plug 1 is provided with a through hole 122 penetrating through the circumferential side wall of the circular groove 121 of the thin circular section 12, and after the sealing plug 1 is connected with the valve body 2, the through hole 122 of the sealing plug 1 is communicated with the control oil duct 21 inside the valve body 2.
The end face of the thick round section 11 of the sealing plug 1 is provided with the inner hexagonal groove 111, and the inner hexagonal groove 111 is used for inserting a hexagonal wrench, so that the sealing plug 1 is convenient to install and fix.
Through the above, it is difficult to find that, by setting the thick round section and the thin round section, the side wall of the thin round section is provided with external threads, the end face of the thin round section is provided with a circular groove, the side wall of the thin round section is provided with a through hole, and the end face of the thick round section is provided with an inner hexagonal groove. The sealing plug for the pilot control oil way is characterized in that the thin round section is in threaded connection with the valve body to plug the valve cavity of the valve body; the through hole of the thin circular section is communicated with the control oil duct of the valve body, and control oil enters the valve cavity from the through hole of the thin circular section, so that the limitation between the position of the control oil port and the length of the screw thread of the plug can be avoided; the circular groove of the thin circular section provides the movable space of the valve rod in the valve body and the installation space of the spring, so that the overall length of the valve body can be reduced, and the valve body can be conveniently installed subsequently.
Optionally, the sealing plug for a pilot control oil path in this embodiment further includes: and a seal ring 13.
The sealing ring 13 is sleeved on the thin round section 12 of the sealing plug 1, one side of the sealing ring 13 is propped against the end face of the thick round section 11, and the other side of the sealing ring is propped against the valve body 2, so that the sealing plug 1 and the valve body 2 are more sealed.
Further, in the sealing plug for pilot oil passage in this embodiment, the thick round section 11 is provided with an installation groove 112 on the end face of the side close to the thin round section 12.
The sealing ring 13 is sleeved on the thin circular section 12 and is embedded into the mounting groove 112 of the thick circular section 11, so that the sealing ring 13 is conveniently fixed.
Further, in the sealing plug for pilot control oil passage of this embodiment, the thin circular section 12 of the sealing plug 1 is provided with an annular groove 123 on the circumferential side wall close to the thick circular section 11, and the annular groove 123 is communicated with the mounting groove 112 of the thick circular section 11 to prevent the sealing ring 13 from sliding out of the thin circular section 12.
Further, in the sealing plug for the pilot control oil path in this embodiment, the side wall of the annular groove 123 of the thin circular segment 12, which is far away from the thick circular segment 11, is tapered, so that the sealing ring 13 can conveniently slide into the mounting groove 112 of the thick circular segment 11.
Optionally, in the sealing plug for the pilot control oil path in this embodiment, the thin circular section 12 of the sealing plug 1 is provided with a receiving groove 124 at the bottom of the circular groove 121, and the receiving groove 124 of the sealing plug 1 is used for embedding a spring.
Optionally, in the sealing plug for the pilot-controlled oil path in this embodiment, the through hole 122 on the circumferential side wall of the thin circular segment 12 is disposed perpendicular to the circumferential side wall of the thin circular segment 12.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be a direct contact between the first feature and the second feature, or an indirect contact between the first feature and the second feature through an intervening medium.
Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is at a lower level than the second feature.
In the description of the present specification, reference to the description of the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (7)
1. A seal plug for pilot control oil circuit for be connected with the valve body, its characterized in that, seal plug is cylindrically, includes: a coarse circle segment and a fine circle segment;
the side wall of the thin round section is provided with external threads, and the thin round section is used for being in threaded connection with the valve body;
the end face of the thin round section is provided with a round groove which extends inwards along the axial direction;
the side wall of the circular groove of the thin circular section is provided with a through hole which is used for communicating with a control oil duct of the valve body;
the end face of the thick round section is provided with an inner hexagonal groove, and the inner hexagonal groove is used for inserting a hexagonal wrench.
2. The seal plug for a pilot-controlled oil passage according to claim 1, further comprising: a seal ring;
the sealing ring is sleeved on the thin round section, one side of the sealing ring is propped against the thick round section, and the other side of the sealing ring is propped against the valve body.
3. The seal plug for the pilot-controlled oil passage according to claim 2, wherein the thick round section is provided with a mounting groove for embedding the seal ring.
4. The seal plug for a pilot-controlled oil passage according to claim 3, wherein the thin circular segment is provided with an annular groove that communicates with the mounting groove.
5. The seal plug for a pilot-controlled oil passage according to claim 4, wherein a side wall of the annular groove on a side away from the rough circular segment is tapered.
6. The sealing plug for the pilot-controlled oil passage according to claim 1, wherein the sealing plug is provided with a receiving groove at a bottom of the circular groove, the receiving groove being for embedding a spring.
7. The sealing plug for the pilot-controlled oil passage according to claim 1, wherein the through hole is perpendicular to a side wall of the circular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321839393.6U CN220769827U (en) | 2023-07-13 | 2023-07-13 | Sealing plug for pilot control oil way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321839393.6U CN220769827U (en) | 2023-07-13 | 2023-07-13 | Sealing plug for pilot control oil way |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220769827U true CN220769827U (en) | 2024-04-12 |
Family
ID=90603749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321839393.6U Active CN220769827U (en) | 2023-07-13 | 2023-07-13 | Sealing plug for pilot control oil way |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220769827U (en) |
-
2023
- 2023-07-13 CN CN202321839393.6U patent/CN220769827U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |