CN220354496U - High strength butterfly valve rod - Google Patents
High strength butterfly valve rod Download PDFInfo
- Publication number
- CN220354496U CN220354496U CN202322039336.6U CN202322039336U CN220354496U CN 220354496 U CN220354496 U CN 220354496U CN 202322039336 U CN202322039336 U CN 202322039336U CN 220354496 U CN220354496 U CN 220354496U
- Authority
- CN
- China
- Prior art keywords
- butterfly valve
- valve rod
- sleeve
- section
- reinforcing sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 22
- 230000008719 thickening Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 14
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model provides a high-strength butterfly valve rod, which relates to the technical field of butterfly valve rods and comprises a valve rod; the upper end of the valve rod is provided with an upper joint, the upper part of the valve rod is provided with an external connecting threaded section, a reinforcing sleeve is arranged outside the external connecting threaded section, the reinforcing sleeve is connected with the external connecting threaded section in a split mode, the lower end of the external connecting threaded section is provided with a middle connecting section, and the lower end of the middle connecting section is provided with a lower connecting section; a sleeve hole is formed in the lower part of the upper joint, and the upper end of the reinforcing sleeve is embedded into the sleeve hole; an inner sealing ring is arranged at the inner side of the sleeve hole, and an outer sealing ring is arranged at the outer side of the sleeve hole; and a plurality of groups of wear-resistant convex blocks are arranged on the outer ring surface of the lower connecting section, and the wear-resistant convex blocks adopt a trapezoid structure. The utility model is convenient to assemble the thickened sleeve outside the middle part of the butterfly valve rod, strengthen the strength and the wear resistance, is convenient to replace after being damaged, is beneficial to the safe and reliable use of the butterfly valve rod, and is more durable.
Description
Technical Field
The utility model relates to the technical field of butterfly valve rods, in particular to a high-strength butterfly valve rod.
Background
At present, a valve rod of a butterfly valve is generally a straight rod with the same diameter and is installed in the center of a valve seat to be driven in a rotating way. In the prior art (publication number: CN 205937876U), a disc valve rod is mentioned as comprising a valve rod body, wherein the valve rod body consists of a rod body front section, a rod body middle section and a rod body rear section, the rod body front section comprises a rod handle and a connecting part, the rod handle is connected with the rod body middle section, a convex joint is arranged on the rod body middle section, a hole groove is formed at the tail end of the rod body rear section, the drift diameter of the rod body front section is identical with that of the rod body middle section, and the drift diameter of the rod body rear section is smaller than that of the rod body middle section, but the abrasion of the middle rod body of the disc valve rod in the prior art in the use process is larger, the disc valve rod is not durable, and the disc valve rod is not firm and reliable in use.
Disclosure of Invention
In order to overcome the defects existing in the prior art, the high-strength butterfly valve rod is provided, so that the problems that the middle rod body of the butterfly valve rod in the prior art is relatively large in abrasion in the use process, cannot be durable and is unstable and reliable in use are solved.
In order to achieve the above object, there is provided a high-strength butterfly valve stem comprising a stem; the upper end of valve rod is provided with the top connection, and the upper portion of valve rod is provided with the external connection screw thread section, the cover is strengthened to external connection screw thread section external mounting, and strengthens the split between cover and the external connection screw thread section and be connected, the lower extreme of external connection screw thread section is provided with well linkage segment, and the lower extreme of well linkage segment is provided with down the linkage segment.
Further, a sleeve hole is formed in the lower portion of the upper joint, and the upper end of the reinforcing sleeve is embedded into the sleeve hole.
Further, an inner sealing ring is arranged on the inner side of the trepanning, an outer sealing ring is arranged on the outer side of the trepanning, and the inner sealing ring and the outer sealing ring are made of rubber materials.
Further, a plurality of groups of wear-resistant protruding blocks are arranged on the outer ring surface of the lower connecting section, and the wear-resistant protruding blocks are of a trapezoid structure.
Further, the lower end of the lower connecting section is provided with a lower connector, and the centers of the lower connecting section and the lower connector are both positioned on the same axis.
Further, the inner thickening layer is arranged in the reinforcing sleeve, the inner side wall of the inner thickening layer is provided with inner connecting threads, the upper end of the reinforcing sleeve is provided with an upper through hole, and the lower end of the reinforcing sleeve is provided with a lower through hole.
The utility model has the beneficial effects that:
1. the upper joint lower sleeve hole is arranged to strengthen the installation of the sleeve more firmly, and the inner sealing ring and the outer sealing ring arranged on the inner side and the outer side of the sleeve hole have the effect of tightly sealing, so that the sleeve is safer and more stable to use.
2. The wear-resistant convex blocks arranged on the outer surface of the lower connecting section are stronger and wear-resistant, and the service life is longer.
3. The reinforcing sleeve is connected outside the external connecting thread section through the internal connecting thread, so that the reinforcing sleeve is stable and firm in installation, has the effect of thickening the external connecting thread section, can better protect the external connecting thread section, is convenient to assemble or disassemble, is convenient to replace after being damaged, and is more convenient and practical.
Drawings
FIG. 1 is a schematic front view of an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of an embodiment of the present utility model;
FIG. 3 is an expanded schematic view of an external connection thread segment on a valve stem according to an embodiment of the present utility model;
fig. 4 is a schematic view showing an internal structure of a reinforcing sleeve according to an embodiment of the present utility model.
In the figure: 1. a valve stem; 10. an external connecting thread section; 11. an upper joint; 12. trepanning; 13. an inner seal ring; 14. an outer seal ring; 15. a middle connecting section; 16. a lower connecting section; 17. wear-resistant protruding blocks; 18. a lower connector; 2. a reinforcing sleeve; 20. an inner thickening layer; 21. internal connecting threads; 22. an upper through opening; 23. and a lower through hole.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clearly apparent, the present utility model is further described in detail below with reference to the accompanying drawings and embodiments. The specific embodiments described herein are offered by way of illustration only and not as limitations of the utility model, and specific details such as particular system architectures, techniques, etc. may be set forth in order to provide a more thorough understanding of the embodiments of the utility model. The described embodiments are some, but not all, embodiments of the present disclosure. It will be apparent, however, to one skilled in the art that the present utility model may be practiced in other embodiments that depart from these specific details. Based on the embodiments in this disclosure, all other embodiments that a person skilled in the art would obtain without making any inventive effort are within the scope of protection of this disclosure.
Specific embodiments of the present utility model are described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic front view of an embodiment of the present utility model, fig. 2 is a schematic cross-sectional view of an embodiment of the present utility model, fig. 3 is a schematic development view of an external connection thread section on a valve stem of an embodiment of the present utility model, and fig. 4 is a schematic internal structure of a reinforcing sleeve of an embodiment of the present utility model.
Referring to fig. 1 to 4, the present utility model provides a high strength butterfly valve stem comprising a stem 1; the upper end of valve rod 1 is provided with top connection 11, and the upper portion of valve rod 1 is provided with outer connecting screw thread section 10, outer cover 2 is installed outward to outer connecting screw thread section 10, and strengthens and split between cover 2 and the outer connecting screw thread section 10 and be connected, the lower extreme of outer connecting screw thread section 10 is provided with well connecting section 15, and the lower extreme of well connecting section 15 is provided with lower connecting section 16.
In this embodiment, a sleeve hole 12 is formed in the lower portion of the upper joint 11, and the upper end of the reinforcing sleeve 2 is embedded into the sleeve hole 12; an inner sealing ring 13 is arranged on the inner side of the sleeve hole 12, an outer sealing ring 14 is arranged on the outer side of the sleeve hole 12, and the inner sealing ring 13 and the outer sealing ring 14 are made of rubber materials.
In the present utility model, the lower sleeve hole 12 of the upper joint 11 is provided to enhance the installation of the sleeve 2 more firmly, and the inner seal ring 13 and the outer seal ring 14 provided on the inner and outer sides of the sleeve hole 12 have the effect of tightly sealing, so that the use is safer and more stable.
In this embodiment, a plurality of groups of wear-resistant protruding blocks 17 are disposed on the outer ring surface of the lower connecting section 16, and the wear-resistant protruding blocks 17 adopt a trapezoid structure; the lower end of the lower connecting section 16 is provided with a lower connector 18, and the centers of the lower connecting section 16 and the lower connector 18 are all located on the same axis.
As a preferred embodiment, the wear-resistant lugs 17 provided on the outer surface of the lower connecting section 16 are stronger and wear-resistant, and have longer service lives.
In this embodiment, the inner thickening layer 20 is disposed in the reinforcing sleeve 2, the inner sidewall of the inner thickening layer 20 is provided with inner connecting threads 21, the upper end of the reinforcing sleeve 2 is provided with an upper through hole 22, and the lower end of the reinforcing sleeve 2 is provided with a lower through hole 23.
As a preferred embodiment, the reinforcing sleeve 2 is connected outside the external connecting thread section 10 through the internal connecting thread 21, so that the reinforcing sleeve is stable and firm in installation, has the effect of thickening the external connecting thread section 10, can better protect the external connecting thread section 10, is convenient to assemble or disassemble, is convenient to replace after being damaged, and is more convenient and practical.
The utility model can effectively solve the problems that the middle rod body of the butterfly valve rod in the prior art is more worn in the use process, can not be durable and is not firm and reliable in use, and the utility model is convenient to assemble a thickening sleeve outside the middle part of the butterfly valve rod to strengthen the strength and the wear resistance, is convenient to replace after being damaged, is beneficial to the safety and the reliability of the use of the butterfly valve rod and is more durable.
The above-described embodiments are intended to illustrate the present utility model, not to limit it, and any modifications and variations made to the present utility model within the spirit of the utility model and the scope of the claims should be included in the scope of the present utility model.
Claims (6)
1. A high-strength butterfly valve stem, characterized by comprising a stem (1); the upper end of valve rod (1) is provided with top connection (11), and the upper portion of valve rod (1) is provided with external connection screw thread section (10), outer cover (2) of installing of external connection screw thread section (10), and the split is connected between cover (2) and the external connection screw thread section (10) of strengthening, the lower extreme of external connection screw thread section (10) is provided with well linkage segment (15), and the lower extreme of well linkage segment (15) is provided with lower linkage segment (16).
2. A high strength butterfly valve stem as claimed in claim 1, wherein a socket (12) is provided in the lower part of the upper joint (11), and the upper end of the reinforcing sleeve (2) is inserted into the socket (12).
3. A high-strength butterfly valve stem as claimed in claim 2, wherein an inner seal ring (13) is arranged on the inner side of the sleeve hole (12), an outer seal ring (14) is arranged on the outer side of the sleeve hole (12), and the inner seal ring (13) and the outer seal ring (14) are made of rubber materials.
4. A high-strength butterfly valve stem as claimed in claim 1, wherein the outer ring surface of the lower connecting section (16) is provided with a plurality of groups of wear-resistant protruding blocks (17), and the wear-resistant protruding blocks (17) adopt a trapezoid structure.
5. A high-strength butterfly valve stem as claimed in claim 1, wherein the lower end of the lower connecting section (16) is provided with a lower connector (18), and the centers of the lower connecting section (16) and the lower connector (18) are both located on the same axis.
6. A high strength butterfly valve stem as claimed in claim 1, characterized in that an inner thickening layer (20) is provided in the reinforcing sleeve (2), an inner connecting screw thread (21) is provided on the inner side wall of the inner thickening layer (20), an upper through hole (22) is provided on the upper end of the reinforcing sleeve (2), and a lower through hole (23) is provided on the lower end of the reinforcing sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322039336.6U CN220354496U (en) | 2023-08-01 | 2023-08-01 | High strength butterfly valve rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322039336.6U CN220354496U (en) | 2023-08-01 | 2023-08-01 | High strength butterfly valve rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220354496U true CN220354496U (en) | 2024-01-16 |
Family
ID=89478490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322039336.6U Active CN220354496U (en) | 2023-08-01 | 2023-08-01 | High strength butterfly valve rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220354496U (en) |
-
2023
- 2023-08-01 CN CN202322039336.6U patent/CN220354496U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |