CN201377636Y - Low-noise valve rod and valve housing structure - Google Patents
Low-noise valve rod and valve housing structure Download PDFInfo
- Publication number
- CN201377636Y CN201377636Y CN200920033061U CN200920033061U CN201377636Y CN 201377636 Y CN201377636 Y CN 201377636Y CN 200920033061 U CN200920033061 U CN 200920033061U CN 200920033061 U CN200920033061 U CN 200920033061U CN 201377636 Y CN201377636 Y CN 201377636Y
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- Prior art keywords
- valve
- valve rod
- hole
- contact head
- spring
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Abstract
The utility model discloses a low-noise valve rod and valve housing structure comprising a valve housing and a valve rod. At least a blind hole is formed in the radial direction at the free end of the valve rod, and a spring and a contact head are arranged in the blind hole; or a through hole is formed in the radial direction at the free end of the valve rod, and a spring and two contact heads are arranged in the through hole; or a valve rod extension section is arranged coaxially at the free end of the valve rod; a valve rod positioning disc is fixedly connected to one end of the valve housing; a center positioning hole and an installation hole are formed on the valve rod positioning disc; the valve rod extension section sticks into the center positioning hole; and a choke plug, a spring and a contact head are arranged in the installation hole. With the advantages of simple structure, convenient installation and low cost, the utility model can effectively reduce noises and damages caused by the vibration of a valve in service.
Description
Technical field
The utility model belongs to lineal travel motion modulating valve field, the little valve rod valve pocket structure of noise when especially relating to a kind of work.
Background technique
(control) valve is regulated in existing most known lineal travel motion, the supporting structure of valve rod is equivalent to an overhang, it is in and is easy to produce vibration and noise in the flow field, especially when little aperture, the jib-length maximum of valve rod, valve place's pressure drop this moment is also maximum, and therefore, vibration and noise also show the most outstanding; Sometimes, also follow the cavitation corrosion phenomenon to occur, cause valve to be damaged at short notice.The valve that has in the market uses the valve rod and the valve pocket of dual-support structure, and it is owing to adopt rigid support, processing, assembly precision is required high, and the valve volume is big, and may have influence on valve important index characteristic-close leakproofness, thus actual use few.
The model utility content
Technical problem to be solved in the utility model is to provide low noise valve stem valve nested structure at above-mentioned deficiency of the prior art, and it is simple in structure, and is easy for installation, and cost is low, the noise and the damage that produce because of vibration in the time of effectively reducing valve working.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: low noise valve stem valve nested structure, comprise valve pocket and be arranged in the described valve pocket and the valve rod that can move up and down, it is characterized in that: the blind hole that has a radial direction on the free end of described valve rod at least, be provided with spring and contact head in the described blind hole, described contact head is made by elastic material, and an end is a hemisphere for the plane the other end, the two ends of described spring are against respectively on described blind hole inwall and the contact head planar ends, and the hemispherical end of described contact head is against on the inwall of described valve pocket.
Be fixed with the plug of toroidal on the external port of described blind hole.
Be evenly distributed with three blind holes on the described valve rod.
Low noise valve stem valve nested structure, comprise valve pocket and be arranged in the described valve pocket and the valve rod that can move up and down, it is characterized in that: a through hole that has radial direction on the free end of described valve rod, be provided with spring and two contact heads in the described through hole, described contact head is made by elastic material, and an end is a hemisphere for the plane the other end, and described both ends of the spring is against respectively on two contact head planar ends, and the hemispherical end of described two contact heads all is against on the inwall of described valve pocket.
One end of described through hole has spacing hole, and described spacing hole diameter is less than described through-hole diameter, and the other end of described through hole is provided with the plug of toroidal.
Low noise valve stem valve nested structure, comprise valve pocket and be arranged in the described valve pocket and the valve rod that can move up and down, it is characterized in that: be coaxially arranged with the valve rod prolonged section on the free end of described valve rod, and described valve rod prolonged section diameter is less than valve rod free end diameter, one end of described valve pocket is fixedly connected with the valve rod positioning disk, the mounting hole of the radial direction that has the center positioning hole of axial direction on the described valve rod positioning disk and communicate with described center positioning hole, described valve rod prolonged section stretches in described center positioning hole and with described valve rod and moves up and down, be provided with plug in the described mounting hole, spring and contact head, described plug is annular and the external port that is fixed on described mounting hole, described contact head is made by elastic material, and an end is a hemisphere for the plane the other end, the two ends of described spring are against respectively on contact head planar ends and the plug, and the hemispherical end of described contact head is against on the described valve rod prolonged section.
Be evenly distributed with three mounting holes on the described valve rod positioning disk.
The utility model compared with prior art has the following advantages: the utility model is simple in structure, easy to install, the elastic support that is made of spring and contact head is set between valve rod and valve pocket, its positioning action makes valve rod keep good coaxality at the volley, and can effectively absorb the vibration of valve rod, noise when reducing valve working and the valve that causes because of vibration damage; In addition, the utility model cost is low, can be widely used in lineal travel motion modulating valve field.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is the structural representation of first kind of embodiment of the utility model.
Fig. 2 is the structural representation of second kind of embodiment of the utility model.
Fig. 3 is the structural representation of the third embodiment of the utility model.
Description of reference numerals:
The 1-valve rod; The 2-plug; The 3-contact head;
The 4-spring; 5-valve rod positioning disk; 6-valve rod prolonged section;
Embodiment
Embodiment 1
As shown in Figure 1, the utility model comprises valve pocket and is arranged in the described valve pocket and the valve rod 1 that can move up and down, at least have the blind hole of a radial direction on the free end of valve rod 1, in blind hole, be provided with spring 4 and contact head 3, wherein, contact head 3 is made by elastic material, and an end of contact head 3 is a hemisphere for the plane the other end, the two ends of spring 4 are against respectively on described blind hole inwall and contact head 3 planar ends, and the hemispherical end of contact head 3 is against on the inwall of described valve pocket.Like this, in the process that valve rod 1 moves up and down, contact head 3 and spring 4 combine valve rod 1 are played location and supporting effect, and can effectively absorb the vibration that produces because of valve rod 1 motion, have the function of vibration damping and increase damping.
As preferred version, on the external port of blind hole, be fixed with the plug 2 of toroidal, to be used for limiting the distance that moves radially of contact head 3.The quantity of blind hole is three, and is evenly distributed on valve rod 1, is evenly distributed with the elastic anchorage force that guarantees contact head 3 and 4 pairs of valve rods 1 of spring.
As shown in Figure 2, the utility model comprises valve pocket and is arranged in the described valve pocket and the valve rod 1 that can move up and down, have a through hole of radial direction on the free end of valve rod 1, be provided with spring 4 and two contact heads 3 in the through hole, contact head 3 is made by elastic material, and an end is a hemisphere for the plane the other end, spring 4 is arranged between two contact heads, and the two ends of spring 4 are against respectively on two contact head 3 planar ends, and the hemispherical end of two contact heads 3 all is against on the inwall of described valve pocket.In the present embodiment, the design of through hole makes contact 3 and spring 4 easy for installation, and two contacts are symmetricly set on the valve rod 1, has guaranteed that also the support force of contact 3 and 4 pairs of valve rods 1 of spring evenly distributes.
As preferred version, have spacing hole at an end of through hole, the spacing hole diameter is less than through-hole diameter, and the other end of through hole is provided with the plug 2 of toroidal, and spacing hole and plug 2 are used for limiting the distance that moves radially of two contact heads 3 respectively.
As shown in Figure 3, the utility model comprises valve pocket and is arranged in the described valve pocket and the valve rod 1 that can move up and down, be coaxially arranged with valve rod prolonged section 6 on the free end of valve rod 1, and valve rod prolonged section 6 diameters are less than valve rod 1 free end diameter, one end of valve pocket is fixedly connected with valve rod positioning disk 5, the mounting hole of the radial direction that has the center positioning hole of axial direction on the valve rod positioning disk 5 and communicate with described center positioning hole, valve rod prolonged section 6 stretches in described center positioning hole and with valve rod 1 and moves up and down, be provided with plug 2 in the mounting hole, spring 4 and contact head 3, plug 2 is annular and the external port that is fixed on described mounting hole, contact head 3 is made by elastic material, and an end is a hemisphere for the plane the other end, the two ends of spring 4 are against respectively on contact head 3 planar ends and the plug 2, and the hemispherical end of contact head 3 is against on the valve rod prolonged section 6.Present embodiment and embodiment 1 and embodiment's 2 differences are: spring 4 and contact head 3 are arranged on valve rod positioning disk 5, in valve rod 1 motion, by each contact head the support and the vibration damping of valve rod prolonged section 6 are reached the purpose that reduces noise.
As preferred version, on valve rod positioning disk 5, evenly have three mounting holes, be evenly distributed with the elastic anchorage force that guarantees contact head 3 and 4 pairs of valve rods 1 of spring.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every according to the utility model technical spirit to any simple modification, change and equivalent structure transformation that above embodiment did, all still belong in the protection domain of technical solutions of the utility model.
Claims (7)
1. low noise valve stem valve nested structure, comprise valve pocket and be arranged in the described valve pocket and the valve rod (1) that can move up and down, it is characterized in that: the blind hole that has a radial direction on the free end of described valve rod (1) at least, be provided with spring (4) and contact head (3) in the described blind hole, described contact head (3) is made by elastic material, and an end is a hemisphere for the plane the other end, the two ends of described spring (4) are against respectively on described blind hole inwall and contact head (3) planar ends, and the hemispherical end of described contact head (3) is against on the inwall of described valve pocket.
2. according to the described low noise valve stem valve of claim 1 nested structure, it is characterized in that: the plug (2) that is fixed with toroidal on the external port of described blind hole.
3. according to claim 1 or 2 described low noise valve stem valve nested structures, it is characterized in that: be evenly distributed with three blind holes on the described valve rod (1).
4. low noise valve stem valve nested structure, comprise valve pocket and be arranged in the described valve pocket and the valve rod (1) that can move up and down, it is characterized in that: a through hole that has radial direction on the free end of described valve rod (1), be provided with spring (4) and two contact heads (3) in the described through hole, described contact head (3) is made by elastic material, and an end is a hemisphere for the plane the other end, the two ends of described spring (4) are against respectively on two contact heads (3) planar ends, and the hemispherical end of described two contact heads (3) all is against on the inwall of described valve pocket.
5. according to the described low noise valve stem valve of claim 4 nested structure, it is characterized in that: an end of described through hole has spacing hole, and described spacing hole diameter is less than described through-hole diameter, and the other end of described through hole is provided with the plug of toroidal (2).
6. low noise valve stem valve nested structure, comprise valve pocket and be arranged in the described valve pocket and the valve rod (1) that can move up and down, it is characterized in that: be coaxially arranged with valve rod prolonged section (6) on the free end of described valve rod (1), and described valve rod prolonged section (6) diameter is less than valve rod (1) free end diameter, one end of described valve pocket is fixedly connected with valve rod positioning disk (5), the mounting hole of the radial direction that has the center positioning hole of axial direction on the described valve rod positioning disk (5) and communicate with described center positioning hole, described valve rod prolonged section (6) stretches in described center positioning hole and with described valve rod (1) and moves up and down, be provided with plug (2) in the described mounting hole, spring (4) and contact head (3), described plug (2) is annular and the external port that is fixed on described mounting hole, described contact head (3) is made by elastic material, and an end is a hemisphere for the plane the other end, the two ends of described spring (4) are against respectively on contact head (3) planar ends and the plug (2), and the hemispherical end of described contact head (3) is against on the described valve rod prolonged section (6).
7. according to the described low noise valve stem valve of claim 6 nested structure, it is characterized in that: be evenly distributed with three mounting holes on the described valve rod positioning disk (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920033061U CN201377636Y (en) | 2009-05-12 | 2009-05-12 | Low-noise valve rod and valve housing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920033061U CN201377636Y (en) | 2009-05-12 | 2009-05-12 | Low-noise valve rod and valve housing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201377636Y true CN201377636Y (en) | 2010-01-06 |
Family
ID=41517744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920033061U Expired - Fee Related CN201377636Y (en) | 2009-05-12 | 2009-05-12 | Low-noise valve rod and valve housing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201377636Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105332751A (en) * | 2015-10-26 | 2016-02-17 | 无锡市永亿精密铸造有限公司 | Valve ejector rod with vibration removal devices |
-
2009
- 2009-05-12 CN CN200920033061U patent/CN201377636Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105332751A (en) * | 2015-10-26 | 2016-02-17 | 无锡市永亿精密铸造有限公司 | Valve ejector rod with vibration removal devices |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Low-noise valve rod and valve housing structure Effective date of registration: 20140416 Granted publication date: 20100106 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: Xi'an Qinshen Special Control Valve Co., Ltd. Registration number: 2014990000273 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20150527 Granted publication date: 20100106 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: Xi'an Qinshen Special Control Valve Co., Ltd. Registration number: 2014990000273 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| 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: 20100106 Termination date: 20170512 |