CN204437322U - A kind of valve fixing with convenient valve rod - Google Patents
A kind of valve fixing with convenient valve rod Download PDFInfo
- Publication number
- CN204437322U CN204437322U CN201520019691.XU CN201520019691U CN204437322U CN 204437322 U CN204437322 U CN 204437322U CN 201520019691 U CN201520019691 U CN 201520019691U CN 204437322 U CN204437322 U CN 204437322U
- Authority
- CN
- China
- Prior art keywords
- valve
- metallic sheath
- fixed block
- valve rod
- thread
- 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.)
- Expired - Fee Related
Links
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a kind of valve fixing with convenient valve rod, comprise valve body, threaded valve rod, described valve body is provided with for fixing valve rod fixed block, described fixed block is provided with a through hole, a metallic sheath is socketed with in described through hole, described metallic sheath is provided with the internal thread matched with screw flight, described valve rod is connected with valve body through metallic sheath, described valve rod is connected with valve handle, described metallic sheath is provided with punching press point towards one end of valve handle and through hole joint, be threaded between described metallic sheath and fixed block a screw, described metallic sheath is fixed on fixed block by punching press point and screw.By the dual fixed mechanism of punching press point and screw, ensure that the join strength of its metallic sheath and fixed block, secondly, this fixed structure compares welding, in connection procedure not easily there is deformation in metallic sheath, ensure that valve rod can not offset when loading in fixed block, more convenient.
Description
Technical field
The utility model relates to a kind of valve, and more particularly, it relates to a kind of valve fixing with convenient valve rod.
Background technique
Valve is in fluid system, be used for controlling the direction of fluid, pressure, flow device be the medium in pipe arrangement and equipment (liquid, gas, powder) is flowed or stops and the device of its flow can be controlled.
Valve is formed primarily of valve body, valve rod, spool, valve handle, and spool is arranged on valve inner, and valve rod is connected with spool through valve body, and the other end of the relative spool of valve rod is connected with valve handle.By giving valve handle a driving force, valve rod is subjected to displacement, can with the motion of movable valve plug after valve handle displacement, thus control valve body interior media flowing or stop.
Valve rod can stretch out valve body outside, because valve rod has certain length, long-time use can offset, so general valve is also provided with valve rod fixed block, valve rod fixed block is fixed by several fixing rods and valve body, valve rod through the tapped hole on fixed block, can form a screw-thread fit with fixed block, and such serves one of valve rod fixing and anti-offset problem.
In prior art, fixed block can be arranged a through hole, through hole goes out to be socketed with a copper sheathing, has screw thread in copper sheathing, is coordinated with valve rod by the screw thread of copper sheathing, plays the effect of fixing valve rod.Copper sheathing, by welding, is fixed in the through hole of fixed block.But welding carries out under the high temperature conditions, in welding process, the sleeve pipe of copper material is heated and deformation can occurs, and the structure of fixing valve rod is offset, does not only reach anti-offset effect, cause the skew of valve rod on the contrary.Further, welding procedure is complicated, higher to operation requirements.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is that providing a kind of fixes with convenient valve rod and effectively prevent the valve that valve rod offsets.
For achieving the above object, the utility model provides following technological scheme:
A kind of valve fixing with convenient valve rod, comprise valve body, threaded valve rod, described valve body is provided with for fixing valve rod fixed block, described fixed block is provided with a through hole, a metallic sheath is socketed with in described through hole, described metallic sheath is provided with the internal thread matched with screw rod, described valve rod is connected with valve body through metallic sheath, described valve rod is connected with valve handle, described metallic sheath is provided with punching press point towards one end of valve handle and through hole joint, be threaded between described metallic sheath and fixed block a screw, described metallic sheath is fixed on fixed block by punching press point and screw.
By adopting technique scheme, metallic sheath is first socketed in the through hole of fixed block, then first carry out punching point to metallic sheath and fixed block towards the contacting point of valve handle one end by drill bit to fix, after punching point fixedly completes, metallic sheath and the fixing of fixed block have had certain intensity, subsequently, by screw, metallic sheath and fixed block are linked together.First, by the dual fixed mechanism of punching press point and screw, ensure that the join strength of its metallic sheath and fixed block, secondly, conventionally by welding, metallic sheath and fixed block need not be linked together, make metallic sheath in connection procedure not easily deformation occur, ensure that valve rod can not offset when loading in fixed block, ensure that fixing valve rod.Further, this fixed structure compares welding, more convenient, lower to fixing operation requirements, and fixed effect is better.
The utility model is set to further: described metallic sheath is provided with the first partial thread, described fixed block is provided with the second partial thread, and the described first scarce screw thread and the second scarce screw thread form a complete Full Thread FT, and described screw thread is connected in Full Thread FT.
By adopting technique scheme, the first partial thread on metal sleeve and the second partial thread on fixed block respectively account for the half of Full Thread FT, be screwed into by screw afterwards in the Full Thread FT of the first partial thread and the second partial thread composition, the half respectively accounting for Full Thread FT makes it stressed more even, the warping force that can not be subject to because of certain on metallic sheath or fixed block is larger, and the place making warping force larger deforms.And the thread contact area equation of metallic sheath and fixed block, the intensity be threaded like this reaches maximum, makes the state that the fixed effect of metallic sheath and fixed block reaches best.
The utility model is set to further: there are three punching press points and a Full Thread FT in the joint of described metallic sheath and fixed block.The center of circle of described three punching press points and a circle screw thread is square distribution.
By adopting technique scheme, by practical operation and experience gained, its three punching press points and a Full Thread FT can reach good join strength, and also comparatively economical on cost, make join strength and cost to reach a balance preferably.And three punching press points and a Full Thread FT form a direction structure, fully neutralize the internal stress of its metallic sheath, made internal stress reach the state of a relative balance, thus make metallic sheath not yielding, make valve rod to be accurately fixed on fixed block, prevent it from offseting.
The utility model is set to further: described metallic sheath material is copper.
By adopting technique scheme, copper is a kind of common metallic material, and its elastic strain intensity is comparatively large, and metallic sheath not only will have some strength, and its elastic strain intensity also there are certain requirements, and its copper metal comparatively meets its requirement.
Accompanying drawing explanation
Fig. 1 is the valve mechanism figure of a kind of valve embodiments fixed with convenient valve rod of the utility model;
Fig. 2 is the A place sectional view of a kind of valve embodiments fixed with convenient valve rod of the utility model;
Fig. 3 is the fixed-block-architecture (FBA) plan view of a kind of valve embodiments fixed with convenient valve rod of the utility model.
Reference character: 1, valve body; 2, valve rod; 3, fixed block; 4, through hole; 5, metallic sheath; 6, internal thread; 7, valve handle; 8, punching press point; 9, screw; 10, the first partial thread; 11, the second partial thread; 12, Full Thread FT.
Embodiment
Referring to figs. 1 through Fig. 3, a kind of valve embodiments fixing with convenient valve rod 2 of the utility model is described further.
A kind of valve fixing with convenient valve rod 2, comprise valve body 1, threaded valve rod 2, described valve body 1 is provided with for fixing valve rod 2 fixed block 3, described fixed block 3 is provided with a through hole 4, in described through hole 4, be socketed with a metallic sheath 5, described metallic sheath 5 material is copper, copper is a kind of common metallic material, and its elastic strain intensity is comparatively large, and metallic sheath 5 not only will have some strength, its elastic strain intensity also there are certain requirements, and its copper metal comparatively meets its requirement.Described metallic sheath 5 is provided with the internal thread 6 matched with screw flight, described valve rod 2 is connected with valve body 1 through metallic sheath 5, described valve rod 2 is connected with valve handle 7, described metallic sheath 5 is provided with punching press point 8 towards one end of valve handle 7 and through hole 4 joint, be threaded between described metallic sheath 5 and fixed block 3 screw 9, and described metallic sheath 5 is fixed on fixed block 3 by punching press point 8 and screw 9.
Described metallic sheath 5 is provided with the first partial thread 10, described fixed block 3 is provided with the second partial thread 11, the described first scarce screw thread and the second scarce screw thread form a complete Full Thread FT 12, and described screw 9 is threadedly connected in Full Thread FT 12.
Described metallic sheath 5 has three punching press points 8 and a Full Thread FT 12 with the joint of fixed block 3.The center of circle of described three punching press points 8 and a circle screw thread is square distribution.
Metallic sheath 5 is first socketed in the through hole 4 of fixed block 3, then first carry out punching point to metallic sheath 5 and fixed block 3 towards the contacting point of valve handle 7 one end by drill bit to fix, after punching point fixedly completes, metallic sheath 5 and the fixing of fixed block 3 have had certain intensity, subsequently, by screw 9, metallic sheath 5 and fixed block 3 are linked together.First, by the dual fixed mechanism of punching press point 8 and screw 9, ensure that the join strength of its metallic sheath 5 and fixed block 3, secondly, conventionally by welding, metallic sheath 5 and fixed block 3 need not be linked together, make metallic sheath 5 in connection procedure not easily deformation occur, ensure that valve rod 2 can not offset when loading in fixed block 3, ensure that fixing valve rod 2.Further, this fixed structure compares welding, more convenient, lower to fixing operation requirements, and fixed effect is better.
The first partial thread 10 on metallic sheath 5 pipe and the second partial thread 11 on fixed block 3 respectively account for the half of Full Thread FT 12, be screwed into by screw 9 afterwards in the Full Thread FT 12 of the first partial thread 10 and the second partial thread 11 composition, the half respectively accounting for Full Thread FT 12 makes it stressed more even, the warping force that can not be subject to because of certain on metallic sheath 5 or fixed block 3 is larger, and the place making warping force larger deforms.And the thread contact area equation of metallic sheath 5 and fixed block 3, the intensity be threaded like this reaches maximum, makes the state that the fixed effect of metallic sheath 5 and fixed block 3 reaches best.
Generally, punching press point 8 and Full Thread FT 12 quantity more, the intensity of its structure is also larger, but, often increase a shock point and a Full Thread FT 12, a deformation of metallic sheath 5 will be caused, when deformation is accumulated to a certain degree, when can cause fixing valve rod 2, valve rod 2 produces skew.
By practical operation and experience gained, its three punching press points 8 and a Full Thread FT 12 can reach good join strength, and also comparatively economical on cost, make join strength and cost to reach a balance preferably.And three punching press points 8 and a Full Thread FT 12 form a direction structure, fully neutralize the internal stress of its metallic sheath 5, internal stress is made to reach the state of a relative balance, thus make metallic sheath 5 not yielding, valve rod 2 accurately can be fixed on fixed block 3, prevent it from offseting.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. the valve that the convenient valve rod of band is fixing, comprise valve body, threaded valve rod, described valve body is provided with for fixing valve rod fixed block, described fixed block is provided with a through hole, a metallic sheath is socketed with in described through hole, described metallic sheath is provided with the internal thread matched with screw rod, described valve rod is connected with valve body through metallic sheath, described valve rod is connected with valve handle, it is characterized in that: described metallic sheath is provided with punching press point towards one end of valve handle and through hole joint, be threaded between described metallic sheath and fixed block a screw, described metallic sheath is fixed on fixed block by punching press point and screw.
2. a kind of valve fixing with convenient valve rod according to claim 1, it is characterized in that: described metallic sheath is provided with the first partial thread, described fixed block is provided with the second partial thread, described first scarce screw thread and the second scarce screw thread form a complete Full Thread FT, and described screw thread is connected in Full Thread FT.
3. a kind of valve fixing with convenient valve rod according to claim 2, is characterized in that: there are three punching press points and a Full Thread FT in the joint of described metallic sheath and fixed block.
4. a kind of valve fixing with convenient valve rod according to claim 2, is characterized in that: the center of circle of described three punching press points and a circle screw thread is square distribution.
5. a kind of valve fixing with convenient valve rod according to claim 1, is characterized in that: described metallic sheath material is copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520019691.XU CN204437322U (en) | 2015-01-13 | 2015-01-13 | A kind of valve fixing with convenient valve rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520019691.XU CN204437322U (en) | 2015-01-13 | 2015-01-13 | A kind of valve fixing with convenient valve rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204437322U true CN204437322U (en) | 2015-07-01 |
Family
ID=53605191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520019691.XU Expired - Fee Related CN204437322U (en) | 2015-01-13 | 2015-01-13 | A kind of valve fixing with convenient valve rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204437322U (en) |
-
2015
- 2015-01-13 CN CN201520019691.XU patent/CN204437322U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204437322U (en) | A kind of valve fixing with convenient valve rod | |
| WO2009100752A1 (en) | Pressure measuring glow plug | |
| CN206458458U (en) | A kind of steering tool bottom damping device | |
| CN103982674A (en) | Top-mounting fixation ball valve | |
| CN203757109U (en) | Constant flow control device of heat supply pipeline | |
| CN207729081U (en) | A kind of sandblasting pipeline | |
| CN104110543A (en) | Rotation compensator | |
| CN203770800U (en) | Compact bidirectional flow control valve | |
| CN204828423U (en) | Prevent torsional bumper shock absorber | |
| CN205941224U (en) | Short straight metal pressure pipe fitting pressing experiment device | |
| CN104564870A (en) | Damping joint | |
| CN203940150U (en) | A kind of oil pipe | |
| CN203819332U (en) | Automobile connecting rod assembly convenient to adjust | |
| CN203686220U (en) | Metal hard sealing V-type cut ball valve | |
| CN203940139U (en) | A kind of oil circuit connecting tube | |
| CN203769716U (en) | Internal balance type well cementing head | |
| CN107091082B (en) | Heating device for resistivity | |
| CN203477660U (en) | Connecting pipe of air conditioner | |
| CN202901454U (en) | Three-way auto-control valve | |
| CN202284462U (en) | Uniform steam injection bleeder for horizontal well | |
| CN106338441A (en) | Short straight metal pressure pipe fitting bulge test apparatus | |
| CN204226532U (en) | Be convenient to the hydraulic bjuffer assembled | |
| CN202585890U (en) | Electromagnetic isolation bearing connector | |
| CN104614159A (en) | Testing device and testing method for friction force and sealing pressure of graphite sealing element | |
| CN106439016B (en) | A kind of corrosion-resistant boiler shell through hole sealing device |
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: 20150701 Termination date: 20170113 |