CN219510250U - Positioning mechanism of hydraulic high-pressure ball valve for engineering machinery - Google Patents
Positioning mechanism of hydraulic high-pressure ball valve for engineering machinery Download PDFInfo
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- CN219510250U CN219510250U CN202223444148.3U CN202223444148U CN219510250U CN 219510250 U CN219510250 U CN 219510250U CN 202223444148 U CN202223444148 U CN 202223444148U CN 219510250 U CN219510250 U CN 219510250U
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- 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
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Abstract
The utility model relates to the technical field of hydraulic high-pressure ball valves, in particular to a positioning mechanism of a hydraulic high-pressure ball valve for engineering machinery, which is arranged on a valve body of the ball valve and comprises a cam positioning piece, a valve rod and a positioning spring, wherein a hole allowing the valve rod to pass through is formed in the middle of the cam positioning piece, the valve rod is arranged on the upper surface of the cam positioning piece and penetrates through the cam positioning piece to be fixed on the valve body, and the positioning spring is sleeved on the side surface of the valve rod. Compared with the prior art, the positioning mechanism of the hydraulic high-pressure ball valve for engineering machinery is used for fixing the high-pressure ball valve, is simple to operate and reliable in positioning, completely avoids damage to the ball valve due to rotation of the valve core caused by vibration or impact of a hydraulic system, and greatly improves service life and reliability of the ball valve.
Description
Technical Field
The utility model relates to the technical field of hydraulic high-pressure ball valves, in particular to a positioning mechanism of a hydraulic high-pressure ball valve for engineering machinery.
Background
The hydraulic high-pressure ball valve is used for opening and closing high-pressure oil in a pipeline in a hydraulic system. The hydraulic system in engineering machinery usually has high-pressure high-frequency pulsation and impact, and the conventional high-pressure ball valve often generates rotation of a ball center under the action of the impact, so that throttling is generated. Because the sealing valve seat of the high-pressure ball valve is made of a relatively soft nonmetallic material, the throttling phenomenon in the hydraulic system can increase the local flow velocity of oil liquid so as to generate cavitation, and meanwhile, pressure difference is necessarily generated due to throttling. The valve core is in a non-floating state, and the stress on the valve seat seal locally can be greatly increased. Under the actions of cavitation, local stress increase and oil impact, the valve seat of the ball valve is easily damaged, so that the ball valve is invalid.
Disclosure of Invention
In order to solve the problems, the utility model aims to provide a positioning mechanism of a hydraulic high-pressure ball valve for engineering machinery, which is arranged on a valve body of the ball valve and comprises a cam positioning piece, a valve rod and a positioning spring, wherein a hole allowing the valve rod to pass through is formed in the middle of the cam positioning piece, the valve rod is arranged on the upper surface of the cam positioning piece and penetrates through the cam positioning piece to be fixed on the valve body, and the positioning spring is sleeved on the side surface of the valve rod. Compared with the prior art, the positioning mechanism of the hydraulic high-pressure ball valve for engineering machinery is used for fixing the high-pressure ball valve, is simple to operate and reliable in positioning, completely avoids damage to the ball valve due to rotation of the valve core caused by vibration or impact of a hydraulic system, and greatly improves service life and reliability of the ball valve.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a positioning mechanism of a hydraulic high-pressure ball valve for engineering machinery, which is arranged on a valve body of the ball valve and comprises a cam positioning piece, a valve rod and a positioning spring,
the valve rod is arranged on the upper surface of the cam positioning piece and penetrates through the cam positioning piece to be fixed on the valve body, a clamping section for preventing the cam positioning piece from moving out is arranged at the end part of the valve rod, far away from the valve body, and a positioning spring is arranged at the connection position of the cam positioning piece and the clamping section.
In one embodiment of the utility model, the cam positioning plate is provided with a first groove and a second groove; the first groove and the second groove are arranged at intervals.
In one embodiment of the utility model, the first groove and the second groove are spaced along the outer edge of the cam detent.
In one embodiment of the utility model, the upper surface of the valve body is provided with a locating pin, and the inner diameter of the first groove is matched with the outer diameter of the locating pin.
In one embodiment of the utility model, the positioning spring is a circular ring with an overlapped part, and two ends of the overlapped part are respectively provided with a convex structure.
In one embodiment of the utility model, the central axis of the valve stem is located at the center of the cam positioning plate.
In one embodiment of the utility model, both ends of the second groove are matched to the outer diameter of the positioning pin.
In one embodiment of the utility model, when the first groove is clamped with the positioning pin, the first groove is in a fixed state; when the second groove is clamped with the positioning pin, the second groove is in an active state.
In one embodiment of the utility model, when the end of the second groove far from the first groove is clamped with the positioning pin, the first groove and the valve rod are positioned on the same horizontal line.
In one embodiment of the utility model, when the end of the second groove close to the first groove is clamped with the positioning pin, the first groove and the valve rod form a right angle.
Compared with the prior art, the utility model has the following beneficial effects:
in the prior art, the mounting position of the stop gasket is operated without tools, and special tools such as snap spring pliers are needed for changing the position of the stop gasket in the conventional ball valve; the positioning spring in the positioning machine can be repeatedly operated and used, so that the conventional steel wire clamping ring is prevented from being damaged due to elastic failure after being disassembled for a plurality of times.
The positioning mechanism changes the disposable steel wire clamping ring into a reusable manual operation spring structure; the positioning spring can be exchanged with a steel wire clamping ring on a conventional ball valve on the basis of not changing other parts in the prior art; the first groove on the cam positioning piece can be fully used, so that the ball valve can be positioned to further fix the ball core; the working position of the ball valve is mechanically positioned, so that the service life and the reliability of the ball valve are greatly improved.
Drawings
FIG. 1 is a schematic view of a positioning mechanism (active state) of a hydraulic high-pressure ball valve for construction machinery according to the present utility model;
fig. 2 is a schematic structural view (fixed state) of a positioning mechanism of a hydraulic high-pressure ball valve for engineering machinery according to the present utility model;
FIG. 3 is a schematic diagram (active state) of the positional relationship among the first groove, the second groove and the valve rod in the positioning mechanism of the hydraulic high-pressure ball valve for engineering machinery;
fig. 4 is a schematic diagram (fixed state) of the positional relationship among the first groove, the second groove and the valve rod in the positioning mechanism of the hydraulic high-pressure ball valve for engineering machinery according to the present utility model;
reference numerals in the drawings: 1. a valve body; 2. cam positioning pieces; 3. a valve stem; 4. a positioning spring; 5. a first groove; 6. a second groove; 7. a positioning pin; 8. a bump structure; 9. and (5) clamping the section.
Detailed Description
The utility model will now be described in detail with reference to the drawings and specific examples.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", etc., are orientation or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
Example 1
The embodiment provides a positioning structure of a hydraulic high-pressure ball valve for engineering machinery, which is arranged on a valve body 1 of the ball valve as shown in fig. 1-4, wherein a positioning pin 7 is arranged on the valve body 1, the positioning structure comprises a cam positioning piece 2, a valve rod 3 and a positioning spring 4, a hole allowing the valve rod 3 to pass through is arranged in the middle of the cam positioning piece 2, the valve rod 3 is arranged on the upper surface of the cam positioning piece 2 and penetrates through the cam positioning piece 2 to be fixed on the valve body 1, a clamping section 9 preventing the cam positioning piece 2 from moving out is arranged at the end part of the valve rod 3 far away from the valve body 1, and the positioning spring 4 is arranged at the joint of the cam positioning piece 2 and the clamping section 9 to fix the cam positioning piece 2 and the valve rod 3;
the cam positioning piece 2 is the same as the central axis of the valve rod 3; the cam positioning piece 2 is provided with a first groove 5 and a second groove 6 which are arranged along the outer edge of the cam positioning piece at intervals; the inner diameter of the first groove 5 is matched with the outer diameter of the positioning pin 7; both ends of the second groove 6 are matched with the outer diameter of the positioning pin 7; the positioning spring 4 is a circular ring with an overlapped part, and two ends of the overlapped part are respectively provided with a convex structure 8;
when the first groove 5 is clamped with the positioning pin 7, the first groove is in a fixed state; when the second groove 6 is clamped with the positioning pin 7, the second groove is in an active state; when the end part of the second groove 6 far away from the first groove 5 is clamped with the positioning pin 7, the first groove 5 and the valve rod 3 are positioned on the same horizontal line; when the end part of the second groove 6, which is close to the first groove 5, is clamped with the positioning pin 7, the first groove 5 and the valve rod 3 form a right angle.
When the cam positioning piece 2 is required to be adjusted to be in an active state in operation, the overlapped part is adjusted through the convex structure 8 on the positioning spring 4, so that the overlapped part is smaller, the inner diameter of the positioning spring 4 is larger, the positioning spring 4 is separated from the valve rod 3, the positioning spring 4 is removed, the cam positioning piece 2 is manually adjusted to an operable position (the positioning pin 7 is positioned at the second groove 6), and the cam positioning piece 2 is further adjusted to operate the ball valve to a required working position; after the work is finished, the cam positioning piece 2 is adjusted to a fixed state (the positioning pin 7 is positioned at the first groove 5), then the overlapped part is adjusted through the convex structure 8 on the positioning spring 4, so that the overlapped part is smaller, the inner diameter of the positioning spring 4 is larger, the positioning spring 4 is sleeved at the top of the valve rod, and the positioning spring 4 is fixed at the valve rod 3 to fix the cam positioning piece 2 and the valve rod 3 to keep the fixed state; in the fixed state, the outer diameter of the clamping section 9 is larger than the outer diameter of the positioning spring 4.
The manual operation positioning spring 4 in the positioning mechanism is convenient to detach and can be repeatedly detached, and the cam positioning plate 2 is firm in use under the working condition of high-frequency high-pressure vibration, so that the cam positioning plate 2 is ensured to be in a stable state; the defects that in the prior art, the clamping ring is not easy to disassemble on a construction site, and is easy to damage during disassembly, so that the clamping ring is invalid, and the cam positioning piece is lost to be separated, and the throttling of the sealing valve seat is damaged and invalid are avoided; the hydraulic valve is used for fixing the high-pressure ball valve, is simple to operate and reliable in positioning, and can completely avoid damage to the ball valve due to rotation of the valve core caused by vibration or impact of a hydraulic system, and the service life and reliability of the ball valve are greatly improved.
The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present utility model. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present utility model is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present utility model.
Claims (10)
1. The positioning mechanism of the hydraulic high-pressure ball valve for engineering machinery is arranged on a valve body (1) of the ball valve and is characterized by comprising a cam positioning piece (2), a valve rod (3) and a positioning spring (4),
the novel valve is characterized in that a hole allowing the valve rod (3) to pass through is formed in the middle of the cam locating piece (2), the valve rod (3) is arranged on the upper surface of the cam locating piece (2) and penetrates through the cam locating piece (2) to be fixed on the valve body (1), a clamping section (9) is arranged at the end part, far away from the valve body (1), of the valve rod (3), and a locating spring (4) is arranged at the connecting position of the cam locating piece (2) and the clamping section (9).
2. The positioning mechanism of the hydraulic high-pressure ball valve for engineering machinery according to claim 1, wherein the cam positioning piece (2) is provided with a first groove (5) and a second groove (6); the first groove (5) and the second groove (6) are arranged at intervals.
3. The positioning mechanism of the hydraulic high-pressure ball valve for engineering machinery according to claim 2, wherein the first groove (5) and the second groove (6) are arranged at intervals along the outer edge of the cam positioning piece (2).
4. A positioning mechanism of a hydraulic high-pressure ball valve for engineering machinery according to claim 3, wherein the upper surface of the valve body (1) is provided with a positioning pin (7), and the inner diameter of the first groove (5) is matched with the outer diameter of the positioning pin (7).
5. The positioning mechanism of a hydraulic high-pressure ball valve for construction machinery according to claim 4, wherein both ends of the second groove (6) are matched with the outer diameter of the positioning pin (7).
6. The positioning mechanism of the hydraulic high-pressure ball valve for engineering machinery according to claim 4, wherein the positioning mechanism is in a fixed state when the first groove (5) is clamped with the positioning pin (7); when the second groove (6) is clamped with the positioning pin (7), the second groove is in an active state.
7. The positioning mechanism of a hydraulic high-pressure ball valve for engineering machinery according to claim 6, wherein when the end part of the second groove (6) far away from the first groove (5) is clamped with the positioning pin (7), the first groove (5) and the valve rod (3) are positioned on the same horizontal line.
8. The positioning mechanism of a hydraulic high-pressure ball valve for engineering machinery according to claim 7, wherein when the end part of the second groove (6) close to the first groove (5) is clamped with the positioning pin (7), the first groove (5) and the valve rod (3) form a right angle.
9. The positioning mechanism of a hydraulic high-pressure ball valve for engineering machinery according to claim 1, wherein the positioning spring (4) is a circular ring with an overlapping part, and two ends of the overlapping part are respectively provided with a protruding structure (8).
10. The positioning mechanism of the hydraulic high-pressure ball valve for engineering machinery according to claim 1, wherein the central axis of the valve rod (3) is positioned at the central position of the cam positioning piece (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223444148.3U CN219510250U (en) | 2022-12-22 | 2022-12-22 | Positioning mechanism of hydraulic high-pressure ball valve for engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223444148.3U CN219510250U (en) | 2022-12-22 | 2022-12-22 | Positioning mechanism of hydraulic high-pressure ball valve for engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219510250U true CN219510250U (en) | 2023-08-11 |
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ID=87528049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223444148.3U Active CN219510250U (en) | 2022-12-22 | 2022-12-22 | Positioning mechanism of hydraulic high-pressure ball valve for engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219510250U (en) |
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2022
- 2022-12-22 CN CN202223444148.3U patent/CN219510250U/en active Active
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