CN205654963U - Adjustment valve - Google Patents
Adjustment valve Download PDFInfo
- Publication number
- CN205654963U CN205654963U CN201620490095.4U CN201620490095U CN205654963U CN 205654963 U CN205654963 U CN 205654963U CN 201620490095 U CN201620490095 U CN 201620490095U CN 205654963 U CN205654963 U CN 205654963U
- Authority
- CN
- China
- Prior art keywords
- noise reduction
- decompression
- valve
- uproar
- cylinder base
- 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
- Details Of Valves (AREA)
Abstract
The utility model relates to the technical field of valves, the concrete adjustment valve that is. The scheme that adopts does: an adjustment valve, the sleeve of including the valve body that has the runner, in locating the runner, the case of cooperation in the sleeve that slide, connect the valve gap that valve body upper end oral area was located to valve rod and lid on the case, the sleeve include top -down fold in proper order establish the pressure section of thick bamboo arranged, make an uproar a section of thick bamboo and cylinder base fall in the decompression, the cylinder base bottom is equipped with to be stretched into in the fluid admission passage of runner, the tubbiness the decompression bucket of making an uproar falls elementarily, falling elementarily and have the decompression in the decompression bucket of making an uproar and fall the chamber of making an uproar, the opening that the accent portion that makes an uproar and cylinder base fall in decompression that falling the decompression bucket of making an uproar elementarily corresponds intercommunication, falling elementarily and having seted up the water conservancy diversion through -hole on the decompression bucket wall of making an uproar, the water conservancy diversion through -hole communicate reduce pressure fall make an uproar the chamber and the fluid admission passage of runner. The utility model discloses an adjustment valve has multistage falling and makes an uproar, fall make an uproar, step down effectual, simple structure, the advantage of reliable operation.
Description
Technical field
This utility model relates to regulating valve, belongs to valve technology field.
Background technology
The regulation valve of traditional telescoping structure, its primary structure includes the valve body with fluid passage, the sleeve being located in fluid passage, slidably it is located at the spool in sleeve, drives the valve rod of spool lifting, and be covered on the valve gap of valve body oral area, valve rod passes valve gap, being provided with packing cavity in valve gap, be filled with the airtight and watertight padding realizing valve rod with valve bonnet seal in packing cavity, the packing cavity mouthpiece cover of valve gap sets gland；Being provided with multiple window on sleeve, this window determines discharge characteristic, but its decompression noise reduction is poor.
For solving above-mentioned technical problem, China Patent No. be 201521001473.X patent documentation in disclose " a kind of High Pressure Difference low noise adjustable valve ", traditional sleeve is used three part-structure designs by it, it is followed successively by pressure cylinder, High Pressure Difference low noise cylinder and cylinder base from top to bottom, High Pressure Difference low noise cylinder uses the metal film stack of special construction to set formation, and inside being formed in High Pressure Difference low noise cylinder, multiple tortuous flow path of outside connection.Realize throttling by tortuous flow path, eliminate cavitation erosion and cavitation, reach noise reduction.But it only has one-level noise reduction, although eliminate a part of noise of valve, but valve yet suffers from the defect that noise is big, along with the enhancement of environmental consciousness, above-mentioned valve cannot well meet use requirement.
For reaching more preferable noise reduction, China Patent No. be 201520359294.7 patent documentation in disclose the regulation valve of multistage noise reduction, it authorizes Publication No.: CN 204704473 U, it mainly enters exterior denoising device on pipeline at fluid, although the effect of multistage noise reduction can be reached, make valve mechanism complicated, considerably increase cost.
Summary of the invention
The present utility model purpose: for the defect overcoming prior art to exist, this utility model provides a kind of multistage noise reduction, and noise reduction, antihypertensive effect are good, simple in construction, the regulation valve of reliable operation.
For achieving the above object, this utility model provides following technical scheme:
nullA kind of regulation valve，Including the valve body with runner、The sleeve being located in runner、Sliding coordinates the spool in sleeve、The valve rod being connected on spool and the valve gap being covered on valve body upper end oral area，Described sleeve includes folding the pressure cylinder setting layout the most successively、Decompression noise reduction cylinder and cylinder base，Described valve rod is arranged in valve gap，Packing cavity it is provided with in valve gap，It is filled with in packing cavity and realizes the airtight and watertight padding that valve rod coordinates with valve bonnet seal，The gland pressing solidly airtight and watertight padding it is fixed with on described valve gap，It is characterized in that: be provided with bottom described cylinder base in the fluid entering channel stretching into described runner、The primary noise reduction decompression bucket of tubbiness，In primary noise reduction decompression bucket, there is decompression noise reduction cavity，The decompression noise reduction cavity oral area connection corresponding with the port of cylinder base of primary noise reduction decompression bucket，Water conservancy diversion through hole is offered on primary noise reduction decompression bucket wall，Water conservancy diversion through hole connection decompression noise reduction cavity and the fluid entering channel of described runner.
By using technique scheme, the primary noise reduction decompression bucket stretching in the fluid entering channel of runner it is further added by bottom original cylinder base, before fluid enters in sleeve, reach primary blood pressure lowering noise reduction effect, carry out second depressurized noise reduction through decompression noise reduction cylinder the most again, reach more preferable noise reduction；It directly adds primary noise reduction decompression bucket bottom original cylinder base, has advantage simple and compact for structure.
Preferably, being provided with two grades of noise reduction pressure reductor in described primary noise reduction decompression bucket, described two grades of noise reduction pressure reductor are located between decompression noise reduction cavity and the oral area of cylinder base, and two grades of noise reduction pressure reductor are provided with medium through hole, and medium through hole connects the oral area of decompression noise reduction cavity and cylinder base.
By using technique scheme, it is achieved three grades of decompression noise reductions of valve, preferably reduce the noise caused due to pressure medium.
Preferably, described primary noise reduction decompression bucket is welded and fixed one, two grades of noise reduction pressure reductor and spacing cooperation of conflicting bottom cylinder base with cylinder base.
By using technique scheme, its simple in construction, easy to assembly, and cylinder base installation fixation is reliable.
Preferably, being provided with that mutual alignment is corresponding, the locating slot of concave bottom described cylinder base top and pressure cylinder, the location, two ends of described decompression noise reduction cylinder is fixed in described locating slot.
By using technique scheme, the location assembling of sleeve is the most solid and reliable.
Preferably, described gland includes cover plate and sleeve pipe, the installing hole passed for valve rod it is provided with in the middle of cover plate, described sleeve pipe one end compresses airtight and watertight padding in being inserted into the packing cavity of valve gap, the other end of sleeve pipe is connected on cover plate, cover plate locks on valve gap through clamping screw, and described cover plate is provided with taper detent around described installing hole, and the end of described sleeve pipe is the taper adaptive with described taper detent.
By using technique scheme, gland uses split design, the cover plate of gland uses taper detent coordinate with the cone-shaped end of sleeve pipe so that gland preferably positions with sleeve pipe, coordinates the most solid and reliable.
Below in conjunction with the accompanying drawings this utility model is further described.
Accompanying drawing explanation
Fig. 1 is this utility model specific embodiment structural representation；
Fig. 2 is part A partial enlarged view in Fig. 1；
Fig. 3 is part B partial enlarged view in Fig. 1.
Detailed description of the invention
nullAs shown in Fig. 1 ~ 3，A kind of regulation valve disclosed in this utility model，Including the valve body 1 with runner、The sleeve 2 being located in runner、Sliding coordinates the spool 3 in sleeve 2、The valve rod 4 being connected on spool 3 and the valve gap 5 being covered on valve body 1 upper end oral area，Described sleeve 2 includes folding the pressure cylinder 21 setting layout the most successively、Decompression noise reduction cylinder 22 and cylinder base 23，Decompression noise reduction cylinder 22 is formed and inside has baffling passage for folded the setting of more metallic sheets，Its known technology well-known to those skilled in the art，Therefore repeat no more，Spool 3 is provided with the intercommunicating pore being arranged symmetrically with，It is easy to medium by spool 3，It is symmetrical arranged balance when ensureing spool sliding，Described valve rod 4 is arranged in valve gap 5，It is provided with packing cavity in valve gap 5，It is filled with in packing cavity and realizes the airtight and watertight padding 6 that valve rod 4 coordinates with valve gap 5 sealing，The gland 7 pressing solidly airtight and watertight padding it is fixed with on described valve gap 5；Wherein, described gland 7 includes cover plate 71 and sleeve pipe 72, the installing hole passed for valve rod 4 it is provided with in the middle of cover plate 71, described sleeve pipe 72 one end compresses airtight and watertight padding 6 in being inserted into the packing cavity of valve gap 5, the other end of sleeve pipe 72 is connected on cover plate 71, cover plate 71 locks on valve gap 5 through clamping screw 73, it is provided with taper detent 711 around described installing hole on described cover plate 71, the end of described sleeve pipe 72 is and the taper of described taper detent 711 adaptation, the end of sleeve pipe realizes good location fit in being inserted into taper detent, gland is coordinated the most solid and reliable with sleeve pipe.
In this specific embodiment, primary noise reduction in the fluid entering channel stretching into described runner, tubbiness decompression bucket 8 it is provided with bottom described cylinder base 23, in primary noise reduction decompression bucket 8, there is decompression noise reduction cavity 81, the decompression noise reduction cavity 81 oral area connection corresponding with the port of cylinder base 23 of primary noise reduction decompression bucket 8, water conservancy diversion through hole 82, water conservancy diversion through hole 82 connection decompression noise reduction cavity 81 and the fluid entering channel of described runner is offered on primary noise reduction decompression bucket 8 wall.It is provided with two grades of noise reduction pressure reductor 9 in described primary noise reduction decompression bucket 8, described two grades of noise reduction pressure reductor 9 are located between decompression noise reduction cavity 81 and the oral area of cylinder base 23, two grades of noise reduction pressure reductor 9 are provided with medium through hole 91, medium through hole 91 connection decompression noise reduction cavity 81 and the oral area of cylinder base 23.The primary noise reduction decompression bucket stretching in the fluid entering channel of runner it is further added by bottom original cylinder base, two grades of noise reduction pressure reductor are set again between primary noise reduction decompression bucket and cylinder base oral area, realize three grades of decompression noise reductions of valve, preferably reduce the noise caused due to pressure medium；It directly adds primary noise reduction decompression bucket bottom original cylinder base, has advantage simple and compact for structure.Medium through hole 91 on two grades of noise reduction pressure reductor 9 can use screwed hole to design, and forms projection so that medium slows down flow velocity by medium through hole and reaches the effect of fluid rotary in medium through hole, improves decompression noise reduction.
Preferably, described primary noise reduction decompression bucket 8 is welded and fixed one with cylinder base 23, and two grades of noise reduction pressure reductor 9 are conflicted spacing cooperation with bottom cylinder base 23.Certainly as the technology deformation that this utility model is feasible, primary noise reduction decompression bucket can form flange voluntarily and be assemblied in runner, there is structure complicated, the defect that assembling inconvenience and cylinder base installation reliability weaken；Also directly and cylinder base monolithic molding can there is processing inconvenience, and the problem of two grades of noise reduction pressure reductor assembling inconvenience, therefore preferentially use the structure design of this specific embodiment.
For make to reduce pressure noise reduction cylinder and cylinder base, pressure cylinder coordinate more robust, being provided with mutual alignment locating slot 231,211 corresponding, concave bottom described cylinder base 23 top and pressure cylinder 21, location, the two ends of described decompression noise reduction cylinder 22 is fixed in described locating slot 231,211.
Claims (5)
- null1. a regulation valve，Including the valve body with runner、The sleeve being located in runner、Sliding coordinates the spool in sleeve、The valve rod being connected on spool and the valve gap being covered on valve body upper end oral area，Described sleeve includes folding the pressure cylinder setting layout the most successively、Decompression noise reduction cylinder and cylinder base，Described valve rod is arranged in valve gap，Packing cavity it is provided with in valve gap，It is filled with in packing cavity and realizes the airtight and watertight padding that valve rod coordinates with valve bonnet seal，The gland pressing solidly airtight and watertight padding it is fixed with on described valve gap，It is characterized in that: be provided with bottom described cylinder base in the fluid entering channel stretching into described runner、The primary noise reduction decompression bucket of tubbiness，In primary noise reduction decompression bucket, there is decompression noise reduction cavity，The decompression noise reduction cavity oral area connection corresponding with the port of cylinder base of primary noise reduction decompression bucket，Water conservancy diversion through hole is offered on primary noise reduction decompression bucket wall，Water conservancy diversion through hole connection decompression noise reduction cavity and the fluid entering channel of described runner.
- Regulate valve the most according to claim 1, it is characterized in that: in described primary noise reduction decompression bucket, be provided with two grades of noise reduction pressure reductor, described two grades of noise reduction pressure reductor are located between decompression noise reduction cavity and the oral area of cylinder base, two grades of noise reduction pressure reductor are provided with medium through hole, medium through hole connection decompression noise reduction cavity and the oral area of cylinder base.
- Regulate valve the most according to claim 2, it is characterised in that: described primary noise reduction decompression bucket is welded and fixed one, two grades of noise reduction pressure reductor and spacing cooperation of conflicting bottom cylinder base with cylinder base.
- 4. according to regulating valve described in claim 1 or 2 or 3, it is characterised in that: being provided with bottom described cylinder base top and pressure cylinder that mutual alignment is corresponding, the locating slot of concave, the location, two ends of described decompression noise reduction cylinder is fixed in described locating slot.
- 5. according to regulating valve described in claim 1 or 2 or 3, it is characterized in that: described gland includes cover plate and sleeve pipe, the installing hole passed for valve rod it is provided with in the middle of cover plate, described sleeve pipe one end compresses airtight and watertight padding in being inserted into the packing cavity of valve gap, the other end of sleeve pipe is connected on cover plate, cover plate locks on valve gap through clamping screw, and described cover plate is provided with taper detent around described installing hole, and the end of described sleeve pipe is the taper adaptive with described taper detent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620490095.4U CN205654963U (en) | 2016-05-26 | 2016-05-26 | Adjustment valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620490095.4U CN205654963U (en) | 2016-05-26 | 2016-05-26 | Adjustment valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205654963U true CN205654963U (en) | 2016-10-19 |
Family
ID=57404550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620490095.4U Expired - Fee Related CN205654963U (en) | 2016-05-26 | 2016-05-26 | Adjustment valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205654963U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542757A (en) * | 2020-11-24 | 2022-05-27 | 盾安环境技术有限公司 | Reversing valve and refrigerating system |
| CN115013623A (en) * | 2022-05-31 | 2022-09-06 | 中国船舶重工集团公司第七一九研究所 | Multi-stage adjustable throttling device |
-
2016
- 2016-05-26 CN CN201620490095.4U patent/CN205654963U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542757A (en) * | 2020-11-24 | 2022-05-27 | 盾安环境技术有限公司 | Reversing valve and refrigerating system |
| CN114542757B (en) * | 2020-11-24 | 2024-03-22 | 盾安环境技术有限公司 | Reversing valve and refrigerating system |
| CN115013623A (en) * | 2022-05-31 | 2022-09-06 | 中国船舶重工集团公司第七一九研究所 | Multi-stage adjustable throttling device |
| CN115013623B (en) * | 2022-05-31 | 2023-09-12 | 中国船舶重工集团公司第七一九研究所 | Multistage adjustable flow device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205654963U (en) | Adjustment valve | |
| CN105457381B (en) | Apply water sealing structure and its method of work on filter element of water purifier | |
| CN206347148U (en) | Switch valve element, tap and bidet | |
| CN203926937U (en) | Common flue Smoke prevention check valve | |
| CN206582336U (en) | A kind of drinking valve | |
| CN214466381U (en) | Integrated air compensating valve with check valve | |
| CN206268573U (en) | A kind of valve arrangement with cavitation-preventive cover | |
| CN202215812U (en) | Novel reducing valve | |
| CN206017919U (en) | A kind of gas pressure reducer | |
| CN208831843U (en) | A kind of mesolow assembly type gate sealing surface gate valve body | |
| CN205877299U (en) | Self sealss swing check valve | |
| CN208252866U (en) | A kind of pressure reduction structure of gas pressure reducer | |
| CN203730860U (en) | Check valve for flow regulation | |
| CN209041686U (en) | A kind of piston type branch pipe pressure-reducing valve | |
| CN206738579U (en) | Low leakage low noise balance cage control valve | |
| CN205781008U (en) | A kind of guide type low noise flow control valve | |
| CN208578980U (en) | The motor-driven valve that refrigeration equipment is opened with no pressure difference | |
| CN211398682U (en) | Suction pressure control pilot valve | |
| CN211398726U (en) | Pressure difference pilot valve | |
| CN109027270A (en) | A kind of worm-drive three eccentric metal hard sealed butterfly damper | |
| CN206754492U (en) | A kind of new type auto folding airtight valve | |
| CN103938695B (en) | Hydraulic flashing valve | |
| CN204493873U (en) | The quiet sea cock and valve of clamp band type | |
| CN203782842U (en) | Hydraulic flashing valve | |
| CN206846854U (en) | A kind of anti-valve block glues glutinous outlet housing |
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: 20161019 Termination date: 20170526 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |