CN203743567U - All-welded up-mounted type fixed ball valve - Google Patents
All-welded up-mounted type fixed ball valve Download PDFInfo
- Publication number
- CN203743567U CN203743567U CN201420067215.0U CN201420067215U CN203743567U CN 203743567 U CN203743567 U CN 203743567U CN 201420067215 U CN201420067215 U CN 201420067215U CN 203743567 U CN203743567 U CN 203743567U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- welded
- sealed department
- spool
- 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
- Valve Housings (AREA)
Abstract
The utility model discloses an all-welded up-mounted type fixed ball valve. The all-welded up-mounted type fixed ball valve aims to improve sealing performance between a valve body and a valve deck and prevents media from crossing a sealing ring and causing leakage accordingly under the circumstance that cost is not increased and installation difficulty is not improved, and the service life of the all-welded up-mounted type fixed ball valve is prolonged. According to the technical scheme, the all-welded up-mounted type fixed ball valve is characterized by comprising the valve body, a valve element, the valve deck, a valve rod, a fixed base, a valve body sealing base, a sealing element, a flange plate and a driving mechanism, wherein the valve body is provided with an installation channel used for installation of the valve element, the valve deck comprises a connecting part and a sealing part which are integrally arranged, the sealing part is embedded in the installation channel, the connecting part is located on the side, back on to the valve element, of the sealing part and is welded to the valve body, the installation channel comprises a channel wall, the annular sealing ring is arranged between the sealing part and the channel wall, the sealing part and the channel wall are respectively provided with a groove allowing the sealing ring to be embedded, and a concave part concaving the valve element is arranged on the side, back on to the valve element, of the sealing ring.
Description
Technical field
The utility model relates to a kind of technical field of valve manufacturing, and more particularly, it relates to the upper dress formula fixing ball valve of a kind of full welding.
Background technique
The main feature of ball valve is compact structure own, sealing is reliable, simple in structure, easy to maintenance, sealing surface and the sphere closed state of being everlasting, be difficult for by medium erosion, easy operating and maintenance, be applicable to the general work media such as water, solvent, acid and rock gas, but also be applicable to the severe medium of operating conditions, as oxygen, hydrogen peroxide, methane and ethene etc., therefore, ball valve is widely used in every profession and trade.According to the difference of mounting type, ball valve is divided into upper-mounting type ball valve and side-mounted ball valve, compared with side-mounted ball valve, upper-mounting type ball valve has the outer leak source of minimizing, reduces the advantages such as the impact of pipe stress on flange in valve, and upper-mounting type ball valve can be realized the maintenance on pipeline simultaneously, dismounting is rapidly simple, easy to maintenance quick, greatly save maintenance time, the loss in producing is dropped to minimum.
At present, dress formula fixing ball valve in full welding on market, long-term use, when the spring on valve seat or valve seal seat produces fatigue because medium impacts, while there is fatigue or permanent deformation, between valve seat and spool, just lose sealing effect, now, medium can pass valve seat, flows into the gap between valve gap and valve body, impacts and is arranged on seal ring between valve gap and valve body, because Technology of Mechanical Seal requires high, complex structure, difficulty is installed, cost is high, in order to prevent that medium is by the gap between valve gap and valve body, and improve degree easy for installation and the assembly precision of ball valve, common meeting setting between valve gap and valve body has flexible seal ring and realizes soft seal, but, if medium high temperature, high pressure, impact force is large, between valve gap and valve body, the seal ring of ordinary construction is just easy to lose efficacy, medium just can directly be crossed seal ring so, then by the gap between valve gap and valve body or utilize the crackle of soldering point and pore flows out, cause valve leak, affect working life.
Model utility content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of full welding upper dress formula fixing ball valve, is not raising the cost and installation difficulty in the situation that, is improving the sealability of valve body and valve cover chamber, prevent medium cross seal ring cause leak, increase the service life.
For achieving the above object, the utility model provides following technological scheme: the upper dress formula fixing ball valve of a kind of full welding, comprise valve body, valve seat, spool, valve gap, valve rod, fixed base, valve seal seat, Sealing, flange plate and driving mechanism, described valve body is provided with the installation passage for spool is installed, described valve gap comprises the joint and the sealed department that are wholely set, described sealed department is embedded at installation passage, described connection part in sealed department dorsad spool a side and be welded in valve body, described installation passage comprises channel wall, between described sealed department and channel wall, be provided with O-ring seal, described sealed department and channel wall are equipped with the groove embedding for seal ring, the described seal ring dorsad one side of spool is provided with the recessed depressed part to spool.
By adopting technique scheme, at described sealed department and channel wall, the groove embedding for seal ring is all set, make the installation of described seal ring firm, stablize; Described seal ring dorsad the one side of spool be provided with the recessed depressed part to spool, can utilize sunk structure, make described seal ring can bear larger pressure in, cause seal ring generation elastic strain, then utilize the two ends of depressed part to be tight against two grooves, pressure medium is larger, and sealing effect is better, in losing pressure, seal ring just restores automatically.
The utility model is further set to: described depressed part comprises bottom surface, madial wall and outer side wall, and the joint of described madial wall and bottom surface, outer side wall and bottom surface is all rounded down, and seal ring is inverted arch structure along the longitudinal section of the axis of self.
By adopting technique scheme, joint in described madial wall and bottom surface, outer side wall and bottom surface is all rounded down, can reduce Soviet Union and search seal ring in compression, bending, when stressed, the stress of the joint of described madial wall and bottom surface, outer side wall and bottom surface is concentrated, make the structural strength of seal ring higher, further promote using effect; In addition, seal ring is inverted arch structure along the longitudinal section of the axis of self, in conjunction with the advantage of arch structure, durable in use, long service life.
The utility model is further set to: in described depressed part, be provided with annular sheet metal, the inside and outside two ends of described tinsel connect respectively madial wall and outer side wall, and described tinsel is made up of elastic metallic material.
By adopting technique scheme, the annular sheet metal being made up of elastic metallic material is set in described depressed part, can make the elasticity of described seal ring in conjunction with annular sheet metal, strengthen resistance to compression and the recovery capability of described seal ring, further improve the practicability of described seal ring.
The utility model is further set to: described joint is cylindrical structure coaxial setting with sealed department, and the face area of described joint is greater than the face area of described sealed department; One end of the relative spool of described joint is provided with cylindrical boss, and described boss and the embedding of valve body phase, be provided with packing ring between the end face of boss and valve body, and described joint is welded in valve body.
By adopting technique scheme, described joint and sealed department are all set to cylindrical structure coaxial setting, then the face area of joint is greater than the face area of described sealed department, can strengthen the sealing area of described joint, meanwhile, arrange and the projection of valve body phase embedding, and packing ring is set, make to be connected more stablely between described joint and valve body, utilize the tensioning of packing ring to ensure sealing.
Brief description of the drawings
Fig. 1 is the upper dress formula fixing ball valve embodiment's of the full welding of the utility model structural representation;
Fig. 2 is the A place enlarged view in Fig. 1.
Reference character: 1, valve body; 11, passage is installed; 12, valve seat; 2, spool; 3, valve gap; 31, joint; 32, sealed department; 33, O-ring seal; 331, depressed part; 332, bottom surface; 333, madial wall; 334, outer side wall; 335, tinsel; 34, packing ring; 35, cylindrical boss; 4, valve rod; 5, fixed base; 6, valve seal seat; 7, Sealing; 8, flange plate; 9, driving mechanism; 10, groove.
Embodiment
Referring to figs. 1 through Fig. 2, the upper dress formula fixing ball valve embodiment of the full welding of the utility model is described further.
As shown in Figure 1 to Figure 2, the upper dress formula fixing ball valve of a kind of full welding, comprise valve body 1, valve seat 12, spool 2, valve gap 3, valve rod 4, fixed base 5, valve seal seat 6, Sealing 7, flange plate 8 and driving mechanism 9, described valve body 1 is provided with the installation passage 11 for spool 2 is installed, described valve gap 3 comprises the joint 31 and sealed department 32 that are wholely set, described sealed department 32 is embedded at installs passage 11, described joint 31 be positioned at sealed department 32 dorsad spool 2 a side and be welded in valve body 1, described installation passage 11 comprises channel wall, between described sealed department 32 and channel wall, be provided with O-ring seal 33, described sealed department 32 is equipped with channel wall the groove 10 embedding for seal ring, the described seal ring dorsad one side of spool 2 is provided with the recessed depressed part 331 to spool 2.
At described sealed department 32 and channel wall, the groove 10 embedding for seal ring is all set, makes the installation of described seal ring firm, stablize; Described seal ring dorsad the one side of spool 2 be provided with the recessed depressed part 331 to spool 2, can utilize sunk structure, make described seal ring can bear larger pressure in, cause seal ring generation elastic strain, then utilize the two ends of depressed part 331 to be tight against two grooves 10, pressure medium is larger, and sealing effect is better, in losing pressure, seal ring just restores automatically.
Described depressed part 331 comprises bottom surface 332, madial wall 333 and outer side wall 334, and described madial wall 333 is all rounded down with the joint of bottom surface 332 with bottom surface 332, outer side wall 334, and seal ring is inverted arch structure along the longitudinal section of the axis of self.
All be rounded down with the joint of bottom surface 332 at described madial wall 333 and bottom surface 332, outer side wall 334, can reduce described seal ring in compression, bending, when stressed, described madial wall 333 is concentrated with the stress of the joint of bottom surface 332 with bottom surface 332, outer side wall 334, make the structural strength of seal ring higher, further promote using effect; In addition, seal ring is inverted arch structure along the longitudinal section of the axis of self, in conjunction with the advantage of arch structure, durable in use, long service life.
In described depressed part 331, be provided with annular sheet metal 335, the inside and outside two ends of described tinsel 335 connect respectively madial wall 333 and outer side wall 334, and described tinsel 335 is made up of elastic metallic material.
The annular sheet metal 335 being made up of elastic metallic material in the interior setting of described depressed part 331, can make the elasticity of described seal ring in conjunction with annular sheet metal 335, strengthens resistance to compression and the recovery capability of described seal ring, further improves the practicability of described seal ring.
Described joint 31 is cylindrical structure coaxial setting with sealed department 32, and the face area of described joint 31 is greater than the face area of described sealed department 32; One end of described joint 31 relative spools 2 is provided with cylindrical boss 35, and described boss and valve body 1 phase embedding, be provided with packing ring 34 between the end face of boss and valve body 1, and described joint 31 is welded in valve body 1.
Described joint 31 and sealed department 32 are all set to cylindrical structure coaxial setting, then the face area of joint 31 is greater than the face area of described sealed department 32, can strengthen the sealing area of described joint 31, simultaneously, projection with valve body 1 phase embedding is set, and packing ring 34 is set, and make to be connected more stablely between described joint 31 and valve body 1, utilize the tensioning of packing ring 34 to ensure sealing.
The above makes preferred implementation of the present utility model, does not depart from for the person of ordinary skill of the art under the prerequisite of the utility model principle, can also make some modification and improvement, and these also should be considered as protection domain of the present utility model.
Claims (4)
1. the upper dress formula fixing ball valve of full welding, comprise valve body, valve seat, spool, valve gap, valve rod, fixed base, valve seal seat, Sealing, flange plate and driving mechanism, described valve body is provided with the installation passage for spool is installed, described valve gap comprises the joint and the sealed department that are wholely set, described sealed department is embedded at installation passage, described connection part in sealed department dorsad spool a side and be welded in valve body, described installation passage comprises channel wall, between described sealed department and channel wall, be provided with O-ring seal, it is characterized in that: described sealed department and channel wall are equipped with the groove embedding for seal ring, the described seal ring dorsad one side of spool is provided with the recessed depressed part to spool.
2. dress formula fixing ball valve in full welding according to claim 1, it is characterized in that: described depressed part comprises bottom surface, madial wall and outer side wall, the joint of described madial wall and bottom surface, outer side wall and bottom surface is all rounded down, and seal ring is inverted arch structure along the longitudinal section of the axis of self.
3. dress formula fixing ball valve in full welding according to claim 2, is characterized in that: in described depressed part, be provided with annular sheet metal, the inside and outside two ends of described tinsel connect respectively madial wall and outer side wall, and described tinsel is made up of elastic metallic material.
4. according to dress formula fixing ball valve in the full welding described in claim 1 or 2 or 3, it is characterized in that: described joint is cylindrical structure coaxial setting with sealed department, and the face area of described joint is greater than the face area of described sealed department; One end of the relative spool of described joint is provided with cylindrical boss, and described boss and the embedding of valve body phase, be provided with packing ring between the end face of boss and valve body, and described joint is welded in valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420067215.0U CN203743567U (en) | 2014-02-17 | 2014-02-17 | All-welded up-mounted type fixed ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420067215.0U CN203743567U (en) | 2014-02-17 | 2014-02-17 | All-welded up-mounted type fixed ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203743567U true CN203743567U (en) | 2014-07-30 |
Family
ID=51343368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420067215.0U Expired - Fee Related CN203743567U (en) | 2014-02-17 | 2014-02-17 | All-welded up-mounted type fixed ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203743567U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116428304A (en) * | 2023-04-28 | 2023-07-14 | 武汉科尔精密科技有限公司 | Normally open switching valve |
| CN116592084A (en) * | 2023-04-28 | 2023-08-15 | 武汉科尔精密科技有限公司 | A delay reset gas spring and a delay control method |
-
2014
- 2014-02-17 CN CN201420067215.0U patent/CN203743567U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116428304A (en) * | 2023-04-28 | 2023-07-14 | 武汉科尔精密科技有限公司 | Normally open switching valve |
| CN116592084A (en) * | 2023-04-28 | 2023-08-15 | 武汉科尔精密科技有限公司 | A delay reset gas spring and a delay control method |
| CN116428304B (en) * | 2023-04-28 | 2025-09-16 | 武汉科尔精密科技有限公司 | Normally open switching valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203743567U (en) | All-welded up-mounted type fixed ball valve | |
| CN201787120U (en) | High temperature ball valve packing seal structure | |
| CN102853191A (en) | Quick coupling of regulating valve | |
| CN201087715Y (en) | Double C shaped metal sealing device | |
| CN205479469U (en) | Floating ball valve | |
| CN205278506U (en) | Novel resistant high pressure isolating valve | |
| CN202252179U (en) | Stop check valve for high-pressure bellows | |
| CN202418879U (en) | Ultrahigh-pressure valve sealing device | |
| CN113864477A (en) | High pressure double floating ball valve | |
| CN103486289A (en) | Ball valve seat | |
| CN102996558A (en) | Novel hydraulic valve | |
| CN103486304A (en) | Rubber seal check valve | |
| CN202790659U (en) | Multifunctional spring seat of ball valve | |
| CN203500553U (en) | Valve seat of ball valve | |
| CN203488817U (en) | Welded and fixed ball valve | |
| CN203743481U (en) | Upper mounted fixed ball valve | |
| CN205479466U (en) | Unsteady ball valve seating structure | |
| CN106168298A (en) | A kind of floating ball valve of high-pressure high-temperature two-way metal sealing | |
| CN206708383U (en) | A kind of valving of anti-gas-leak | |
| CN205504069U (en) | Fixed ball valve elastic compensation type soft seal valve base structure | |
| CN205678162U (en) | A kind of corrosion resistant ball valve | |
| CN203604700U (en) | Full-welding top-assembling-type fixed ball valve | |
| CN204164410U (en) | A kind of New corrugated pipe seal ball-valve | |
| CN205678313U (en) | A kind of pressure measuring tie-in seals structure | |
| CN201487269U (en) | Seal structure of sleeve valve |
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: 20140730 Termination date: 20160217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |