CN205504148U - Rust -resistant wear -resisting valve rod - Google Patents
Rust -resistant wear -resisting valve rod Download PDFInfo
- Publication number
- CN205504148U CN205504148U CN201620306791.5U CN201620306791U CN205504148U CN 205504148 U CN205504148 U CN 205504148U CN 201620306791 U CN201620306791 U CN 201620306791U CN 205504148 U CN205504148 U CN 205504148U
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- CN
- China
- Prior art keywords
- rod
- valve rod
- resisting valve
- fixed part
- valve
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- Expired - Fee Related
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Abstract
The utility model discloses a rust -resistant wear -resisting valve rod, including the body of rod, body of rod one end is equipped with the screw section of connecting the case, and the body of rod other end is equipped with the fixed part that is used for fixed hand wheel, fixed part end face centre is equipped with the oil filler point, is equipped with the oil outlet with the oil filler point intercommunication on the body of rod periphery. This rust -resistant wear -resisting valve rod can improve the rust -resistant abrasive resistanc of valve rod betterly.
Description
Technical field
This utility model relates to valve fittings, particularly to a kind of antirust wear-resisting valve rod.
Background technology
Valve rod be valve for connecting the parts of handwheel and spool, be used for transmitting moment of torsion when rotating handwheel, drive valve core rotation, close or open seal, the fluid in valve body is controlled.Existing valve rod easily and weares and teares between valve body during life-time service, while in valve body, corrosion phenomena can be produced between valve body and valve rod under the effect of the liquid such as water, valve rod can be caused time serious stuck, affect the service life of valve rod.
At present, the Chinese patent of Publication No. CN203796997U discloses a kind of valve rod, it includes the valve-rod body of global formation, the lower end of valve-rod body is set to thread segment, the head indent of described valve-rod body is in rectangular configuration, and the valve-rod body head of described rectangular configuration offers the installing hole running through rectangular head；The upper end of described valve-rod body is provided with annular positioning groove.Although this valve rod global formation intensity is preferable, but in use appoint so be easier to wear and tear, the phenomenon of corrosion.
Utility model content
The deficiency existed for prior art, the purpose of this utility model is to provide a kind of antirust wear-resisting valve rod, can preferably improve the antirust abrasive resistance of valve rod.
Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of antirust wear-resisting valve rod, including the body of rod, body of rod one end is provided with the thread segment connecting spool, the body of rod other end is provided with the fixed part for fixing handwheel, described fixed part end face center is provided with oil filler point, and body of rod periphery is provided with the oil outlet connected with oil filler point.
Pass through technique scheme, after valve rod installs, can oiling in oil filler point, lubricating oil enters the surface as valve inner the oil outlet from valve rod periphery flow out and lubricate valve rod and valve body contacts with each other by oil filler point, on the one hand the friction between valve body and valve rod is reduced, on the other hand can also play an effect preventing valve rod from getting rusty, improve the service life of valve rod.
Preferably, described thread segment is arranged over spacing ring.
By technique scheme, the installation of spool can be facilitated, prevent spool in process of production due to exist error cause spool with valve rod assembling and overall dimension overproof, affect the cooperation between spool and valve body.
Preferably, described spacing ring both sides are equipped with escape.
Pass through technique scheme, the processing of thread segment can be facilitated, destroy spacing ring surface when can avoid processing thread segment simultaneously, spacing ring is made to keep preferable flatness towards the surface of spool, make to keep between valve rod and spool coaxial state, prevent owing to the reason of spacing ring surface irregularity causes valve rod and spool coaxially catching phenomenon in use not to occur.Spacing ring opposite side also is provided with escape, valve rod emery wheel when grinding can be made will not to interfere with stopper slot surface, it is simple to the processing of valve rod.
Preferably, described valve rod is provided with one end diameter diameter more than the other end of thread segment.
Pass through technique scheme, owing to one end of thread segment is provided with spacing ring and escape, cause the diameter at escape less, so strengthening the diameter of this end so that the minimum diameter of this end is identical with the diameter of the one end being provided with fixed part, prevent in use valve rod due to torque excessive, rupture at escape.
Preferably, the described body of rod is provided with the conical section for transition.
Pass through technique scheme, transition is carried out by conical section between the valve rod of two sections of different-diameters, relative to this transient mode of multidiameter, the stress distribution of transition position is more uniform, add man-hour convenient, avoid the trouble needing to offer escape when surface is carried out grinding, simultaneously convenient during assembling.
Preferably, described body of rod surface is provided with chromium coating.
By technique scheme, hardness and the anti-wear performance of stem surface can be improved, increase the service life of valve rod.
Preferably, described body of rod fixed part is additionally provided with installing hole.
By technique scheme, when handwheel is arranged on fixed part, latch can be plugged on installing hole for fixing handwheel, prevent handwheel from coming off from fixed part.
Preferably, described fixed part is flat position, and installing hole is on the arc section of flat position.
By technique scheme, it is more convenient that fixed part adds man-hour, as long as using Double Milling to be processed flat position, installing hole is arranged on arc section simultaneously, and wall thickness is thicker, it is to avoid the bulk strength of valve rod is produced large effect.
In sum, what this utility model in contrast to prior art has the beneficial effect that by arranging oil filler point in fixed part end, the oil outlet connected with oil filler point is set on valve rod excircle simultaneously, make the lubricating oil being added in valve stem end can be directly entered valve inner, it is lubricated between valve rod and valve body, prevents valve rod generation corrosion from reducing the abrasion between valve rod and valve body simultaneously.Simultaneously it is provided above spacing ring to avoid the error adding man-hour to cause assembling back valve core, positional precision between valve rod and valve body overproof in threaded stem section, spacing ring both sides are designed with escape simultaneously, the processing of valve rod can be facilitated, improve the machining accuracy of valve rod, also avoid the surface contacted with spool due to spacing ring to cause spool and valve rod the most coaxially to make valve that catching phenomenon occurs in use due to out-of-flatness simultaneously.
Accompanying drawing explanation
Fig. 1 is the axonometric drawing of embodiment；
Fig. 2 is the front view of embodiment;
Sectional view at A-A in Fig. 3 bitmap 2.
Reference: 1, thread segment；2, fixed part；3, oil filler point；4, oil outlet；5, spacing ring；6, escape；7, conical section；8, installing hole.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but as long as all being protected by Patent Law in right of the present utility model.
As shown in Figure 1, a kind of antirust wear-resisting valve rod, including the body of rod, body of rod one end is provided with the thread segment 1 being connected with spool, the body of rod other end is provided with the fixed part 2 for installing handwheel, and fixed part 2 is flat position, and flat position is provided with the installing hole 8 for limiting hand wheel position, after handwheel is arranged on flat position, in installing hole 8, plugs a spacer pin can prevent handwheel from deviating from from flat position.Installing hole 8, on the arc section of flat position, does not has preferable fixation owing to wall thickness is the thinnest during to avoid the incision that installing hole 8 is opened in flat position and impacts the intensity of valve stem end simultaneously.
As shown in Figures 2 and 3, threaded stem section 1 is arranged over spacing ring 5, and arranging of spacing ring 5 can limit the length that threaded stem section 1 loads in spool, it is ensured that the positional precision between valve rod and spool and valve body.Spacing ring 5 both sides are equipped with escape 6, arranging of escape 6 can facilitate thread segment 1 and the processing of valve rod cylindrical, also ensure that the smooth of spacing ring 5 end face, it is ensured that valve rod and spool are coaxial, it is to avoid catching phenomenon in use occurs between spool and valve body simultaneously.The body of rod is provided with the diameter that the diameter of one end of thread segment 1 is provided with one end of fixed part 2 more than the body of rod.Owing to spacing ring 5 both sides all have escape 6, the stem diameter at escape 6 can be caused to diminish, so increasing valve rod to be provided with the integral diameter of one end of thread segment 1, offering escape 6 also can guarantee that having enough intensity prevents valve rod destroyed even if so arranging.Being additionally provided with the conical section 7 for transition on valve rod, two sections that make stem diameter different can seamlessly transit, and the stress distribution making transition position is more uniform simultaneously.Additionally, body of rod surface is provided with chromium coating.Chromium coating can increase the hardness on body of rod surface, reduces the abrasion occurred between valve body and valve rod, has certain increase rust-proofing ability simultaneously, strengthens rust-proofing ability.
The above is only exemplary embodiment of the present utility model, and not for limiting protection domain of the present utility model, protection domain of the present utility model is determined by appended claim.
Claims (8)
1. an antirust wear-resisting valve rod, including the body of rod, body of rod one end is provided with the thread segment (1) connecting spool, the body of rod other end is provided with the fixed part (2) for fixing handwheel, it is characterized in that described fixed part (2) end face center is provided with oil filler point (3), body of rod periphery is provided with the oil outlet (4) connected with oil filler point (3).
Antirust wear-resisting valve rod the most according to claim 1, is characterized in that: described thread segment (1) is arranged over spacing ring (5).
Antirust wear-resisting valve rod the most according to claim 2, is characterized in that: described spacing ring (5) both sides are equipped with escape (6).
Antirust wear-resisting valve rod the most according to claim 3, is characterized in that: the described body of rod is provided with one end diameter diameter more than the other end of thread segment (1).
Antirust wear-resisting valve rod the most according to claim 4, is characterized in that: the described body of rod is provided with the conical section (7) for transition.
Antirust wear-resisting valve rod the most according to claim 1, is characterized in that: described body of rod surface is provided with chromium coating.
Antirust wear-resisting valve rod the most according to claim 1, is characterized in that: be additionally provided with installing hole (8) on described body of rod fixed part (2).
Antirust wear-resisting valve rod the most according to claim 7, is characterized in that: described fixed part (2) is flat position, and installing hole (8) is on the arc section of flat position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620306791.5U CN205504148U (en) | 2016-04-13 | 2016-04-13 | Rust -resistant wear -resisting valve rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620306791.5U CN205504148U (en) | 2016-04-13 | 2016-04-13 | Rust -resistant wear -resisting valve rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205504148U true CN205504148U (en) | 2016-08-24 |
Family
ID=56714538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620306791.5U Expired - Fee Related CN205504148U (en) | 2016-04-13 | 2016-04-13 | Rust -resistant wear -resisting valve rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205504148U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260036A (en) * | 2019-05-21 | 2019-09-20 | 高邮市特种紧固件厂 | A kind of processing technology of valve rod and the valve rod |
-
2016
- 2016-04-13 CN CN201620306791.5U patent/CN205504148U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260036A (en) * | 2019-05-21 | 2019-09-20 | 高邮市特种紧固件厂 | A kind of processing technology of valve rod and the valve rod |
| CN110260036B (en) * | 2019-05-21 | 2021-03-16 | 高邮市特种紧固件厂 | Valve rod and machining process thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20180413 |