CN204459445U - A kind of T-shaped valve rod - Google Patents
A kind of T-shaped valve rod Download PDFInfo
- Publication number
- CN204459445U CN204459445U CN201520063057.6U CN201520063057U CN204459445U CN 204459445 U CN204459445 U CN 204459445U CN 201520063057 U CN201520063057 U CN 201520063057U CN 204459445 U CN204459445 U CN 204459445U
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- Prior art keywords
- valve rod
- utility
- model
- screw section
- head
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Abstract
The utility model relates to a kind of T-shaped valve rod, described valve rod is rhabodoid, comprise thicker head, central polished rod portion and screw section, the left and right sides of described head offers dovetail groove, the joint in described head and polished rod portion is a sealing surface, the end of the two ends up and down of described dovetail groove, polished rod portion and joint, screw section and screw section all has circular arc chamfering, and sealing surface is curved; The upper-end surface of described head is arc convex.The utility model has the advantage of: T-shaped valve rod of the present utility model, be convenient to adopt die forging once-through, reduce manufacturing procedure, and its stress of circular arc chamfering evenly, improve the working life of valve rod.
Description
Technical field
The utility model relates to a kind of valve rod, particularly relates to a kind of T-shaped valve rod.
Background technique
Valve rod is valve vitals, for transmission, Shang Jie actuator or handle, below directly band movable valve plug move or rotate, to realize valve switch or regulating action.
Valve rod not still movement parts, stressed member in valve opening and closing process, and be Sealing.Meanwhile, it is subject to impact and the corrosion of medium, also produces with filler and rubs.Therefore, when selector valve bar material, must ensure that it has enough intensity, good impact toughness, resistance to marring, corrosion resistance at an established temperature.Valve rod is easily damaged parts, should also be noted that mechanical processing characteristic and the heat treatment performance of material when selecting.
The patent No. is the utility model patent of CN 1986144A, a kind of valve rod forging and cold extruding formation process, comprises operations such as intercepting bar, valve stem end chamfering, valve rod slotted head, sealing surface chamfering, thread root chamfering, cold hobbing screw thread, polished rod tumbling; Its shortcoming existed is: due to valve rod shape and mould, first forge head and obtain T-shaped blank, then on milling machine, process dovetail groove, extend machining period, and materials are many, cost of production is high, does not possess the market competitiveness.
Therefore be badly in need of research and development one to be convenient to adopt die forging once-through, reduce manufacturing procedure, carry the T-shaped valve rod of manufacturing efficiency.Through retrieval related documents, do not find the same or analogous technological scheme with the utility model.
Summary of the invention
The technical problems to be solved in the utility model is to provide one and is convenient to adopt die forging once-through, reduce manufacturing procedure, improves the T-shaped valve rod of production efficiency.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of T-shaped valve rod, described valve rod is rhabodoid, comprise thicker head, central polished rod portion and screw section, the left and right sides of described head offers dovetail groove, the joint in described head and polished rod portion is a sealing surface, and its innovative point is: the end of the two ends up and down of described dovetail groove, polished rod portion and joint, screw section and screw section all has circular arc chamfering, and sealing surface is curved; The upper-end surface of described head is arc convex.
The utility model has the advantage of:
T-shaped valve rod of the present utility model, the two ends up and down of dovetail groove and the end of screw section all have circular arc chamfering, and sealing surface is curved, original right angle chamfering is set to circular arc chamfering, be convenient to adopt die forging once-through, reduce manufacturing procedure, and its stress of circular arc chamfering evenly, improve the working life of valve rod.
Accompanying drawing explanation
Fig. 1 is the structural representation of the T-shaped valve rod of the utility model.
Embodiment
Embodiment 1
As shown in Figure 1, the utility model discloses a kind of T-shaped valve rod, valve rod is rhabodoid, and comprise thicker head 1, central polished rod portion 2 and screw section 3, the left and right sides of head 1 offers dovetail groove 4, and head 1 is an arc sealing surface 5 with the joint in polished rod portion 2; The two ends up and down of dovetail groove 4 have circular arc chamfering 6, and the end of screw section 3 has circular arc chamfering 7, and polished rod portion 2 and joint, screw section 3 have circular arc chamfering 8; The upper-end surface of head 1 is arc convex 9, in the present embodiment, T-shaped valve rod, the two ends up and down of dovetail groove and the end of screw section all have circular arc chamfering, and sealing surface is curved, and original right angle chamfering is set to circular arc chamfering, be convenient to adopt the basic once-through of die forging, reduce manufacturing procedure, and its stress of circular arc chamfering evenly, improve the working life of valve rod.
More than show and describe basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (1)
1. a T-shaped valve rod, described valve rod is rhabodoid, comprise thicker head, central polished rod portion and screw section, the left and right sides of described head offers dovetail groove, the joint in described head and polished rod portion is a sealing surface, it is characterized in that: the end of the two ends up and down of described dovetail groove, polished rod portion and joint, screw section and screw section all has circular arc chamfering, and sealing surface is curved; The upper-end surface of described head is arc convex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520063057.6U CN204459445U (en) | 2015-01-29 | 2015-01-29 | A kind of T-shaped valve rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520063057.6U CN204459445U (en) | 2015-01-29 | 2015-01-29 | A kind of T-shaped valve rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204459445U true CN204459445U (en) | 2015-07-08 |
Family
ID=53666329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520063057.6U Expired - Fee Related CN204459445U (en) | 2015-01-29 | 2015-01-29 | A kind of T-shaped valve rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204459445U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107350752A (en) * | 2017-08-30 | 2017-11-17 | 如皋市双亚环保科技有限公司 | A kind of processing method of valve member |
| CN113586782A (en) * | 2021-07-30 | 2021-11-02 | 西安西热节能技术有限公司 | Regulating valve for reducing local stress concentration |
-
2015
- 2015-01-29 CN CN201520063057.6U patent/CN204459445U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107350752A (en) * | 2017-08-30 | 2017-11-17 | 如皋市双亚环保科技有限公司 | A kind of processing method of valve member |
| CN113586782A (en) * | 2021-07-30 | 2021-11-02 | 西安西热节能技术有限公司 | Regulating valve for reducing local stress concentration |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20160129 |
|
| EXPY | Termination of patent right or utility model |