CN203743488U - Fixed ball valve - Google Patents
Fixed ball valve Download PDFInfo
- Publication number
- CN203743488U CN203743488U CN201420117777.1U CN201420117777U CN203743488U CN 203743488 U CN203743488 U CN 203743488U CN 201420117777 U CN201420117777 U CN 201420117777U CN 203743488 U CN203743488 U CN 203743488U
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- CN
- China
- Prior art keywords
- valve
- valve body
- spool spheroid
- spheroid
- 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
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Abstract
The utility model discloses a fixed ball valve. According to the technical scheme, the fixed ball valve comprises a valve body. A through flow channel is arranged in the valve body. A water inlet and a water outlet which are communicated with the flow channel are formed in the valve body. A valve element ball body which can open and close the flow channel is arranged in the valve body. A valve rod which can be in linkage with the valve element ball body is inserted on the valve body. Valve bases are arranged at the positions, corresponding to the water inlet and the water outlet, of the valve body. Clamping rings for erecting the valve element ball body are arranged on the inner wall of the valve body. The middle portion of the clamping ring is hollowed out and forms a clamping face. The clamping face is in a curve-face shape and can be matched with the valve element ball body. The clamping rings are arranged at the two ends of the valve element ball body in the axis direction of the valve rod respectively. The fixed ball valve is provided with the clamping rings for clamping the valve element ball body, the pressure of fluid media in the flow channel is directly borne through the clamping rings, the pressure is transferred to the valve body to be borne, and the valve rod is prevented from being damaged.
Description
Technical field
The utility model relates to valve technology field, is specifically related to a kind of fixing ball valve.
Background technique
Valve is controlling component in pipeline fluid transporting system, and it is for changing path section and media flow direction, has the functions such as water conservancy diversion, cut-off, throttling, non-return, shunting or overflow release.For the valve of fluid control, from the simplest stop valve to very complicated robot control system(RCS) various valves used, its kind and specification are various.
Fixing ball valve, is high-performance ball valve of new generation, is applicable to long-distance transport pipes and general industry pipeline, and its intensity, Security, adverse environment resistant etc. have carried out special consideration in the time of design, are applicable to various corrosivity and non-aggressive medium.
According to the difference of applying working condition, some fixing ball valves need to have pivot structure, heavy caliber fixing ball valve pivot structure mainly in the market: spool spheroid relies on valve rod location, it is the top that valve rod is directly inserted in spool spheroid, spool spheroid relies on valve rod location, but, the fixing ball valve of said structure is in switching process, valve rod not only needs to bear twisting stress, also to bear the pressure of runner inner fluid medium, thereby affect the working life of valve rod, also can produce harmful effect to the sealing of valve body simultaneously; And when fixing ball valve is arranged on lower time of environment of some vibrations, between its spool spheroid and valve seat, easily there is slight rigid collision, if things go on like this, will the wear and tear sealing surface of spheroid and valve seat of rigid collision, cause the sealability of fixing ball valve to decline, and spool spheroid also exerts an influence to valve rod in vibration, therefore still has improved space.
Model utility content
The deficiency existing for prior art, the utility model provides a kind of fixing ball valve, and this fixing ball valve is provided with the carrier ring of clamping spool spheroid, directly bears the pressure of runner inner fluid medium by carrier ring, and pressure is turned by valve body and born, avoid valve rod impaired.
For achieving the above object, the utility model provides following technological scheme: a kind of fixing ball valve, comprise valve body, in valve body, be through with runner, on valve body, offer the water intake and the water outlet that are communicated with runner, in valve body, be provided with the spool spheroid of able to turn on or off runner, on valve body, be inserted with the valve rod of linkage spool spheroid, the corresponding water intake of valve body and water outlet position are equipped with valve seat, valve interior wall is provided with the carrier ring that sets up spool spheroid, the middle hollow out of carrier ring is also formed with clamp face, clamp face is curved surface shape and can agrees with mutually with spool spheroid, carrier ring is divided into the two ends of spool spheroid along valve rod axis direction.
By adopting technique scheme, in valve body, be through with runner, flowing medium is entered in runner and by water outlet and is flowed out by water intake, realize the keying of runner, and spool spheroid links by spool spheroid by valve rod, on valve interior wall, be provided with carrier ring, carrier ring lays respectively at the upper-lower position of the relative runner of spool spheroid, and the clamp face of carrier ring is curved surface shape and can agrees with mutually with spool spheroid, carrier ring by the upper and lower both sides of spool spheroid is by spool spheroid clamping position, spool spheroid can rotate in carrier ring, in the time that the pressure of runner inner fluid medium is excessive, flowing medium impacts spool spheroid, now spool spheroid directly passes to valve body by pressure by carrier ring, and pressure can not passed to valve rod, avoid the pressure of flowing medium to act directly on valve rod and damage valve rod, the clamping action to spool spheroid by carrier ring simultaneously, in the time that valve body is worked under vibration environment, can avoid the vibration of spool spheroid and damage its sealing surface with valve seat collision, guarantee the service behaviour of valve body.
The utility model is further set to, and the corresponding clamping of described spool spheroid ring position caves inward and is formed with limit dais, and carrier ring and limit dais are inconsistent and in valve rod axis direction, spool spheroid is clamped.
By adopting technique scheme, carrier ring and limit dais are inconsistent and in valve rod axis direction, spool spheroid is clamped, spool spheroid can only be rotated under the driving of valve rod, and all gripped firmly at above-below direction or other directions, while avoiding valve body to work under vibration environment, spool spheroid, because producing rigid collision between vibration and valve seat, avoids its sealing surface impaired, extends its working life.
The utility model is further set to, and the opposite side hollow out of the corresponding spool spheroid of described valve seat is formed with groove, is provided with spring in groove, and valve body respective slot position is extruded with for the sheathed jacking block of spring.
By adopting technique scheme, the opposite side hollow out of the corresponding spool spheroid of valve seat is formed with groove, in groove, be provided with spring, the two ends of spring connect with valve seat and valve body respectively, and spring has an opposition to valve seat, push valve seat to spool spheroid one side, for valve seat and spool spheroid provide reliable contact, guarantee its sealing reliability, valve body respective slot position is extruded with for the sheathed jacking block of spring simultaneously, make the work of spring more stable, avoid spring displacement.
The utility model is further set to, and the corresponding spool spheroid of described valve seat one side is provided with the sealing surface of seat that coordinates spool spheroid, and on sealing surface of seat, depression is formed with seal groove, is provided with Sealing in seal groove, between Sealing and seal groove, is provided with spring.
By adopting technique scheme, on sealing surface of seat, depression is formed with seal groove, is provided with Sealing, and is provided with spring between Sealing and seal groove in seal groove, spring the contact force of having strengthened between Sealing and spool spheroid is set, further strengthen its sealing effect.
The utility model is further set to, and corresponding valve interior wall one side of described valve seat is provided with seal ring.
By adopting technique scheme, seal ring the further sealing reliability of having strengthened between valve seat and valve body is set, avoid valve body to produce in the course of the work leakage.
The utility model is further set to, and described Sealing and seal ring are made by expanded PTFE.
By adopting technique scheme, Sealing and seal ring are made by expanded PTFE, expanded PTFE has good chemical proof, abrasion resistant qualities and extremely strong high temperature resistant, low temperature ability, there is extremely strong anti-corrosion capacity, stable work in work, and there is good mechanical tenacity and spring-back force, sealability and the quality of the product greatly improving.
The utility model is further set to, and described carrier ring and valve body are one-body molded.
By adopting technique scheme, carrier ring and valve body are one-body molded, and processing is convenient, guarantee the structural strength of carrier ring simultaneously, improve the service behaviour of product.
Brief description of the drawings
Fig. 1 is wherein a kind of structural representation of mode of execution of the utility model fixing ball valve;
Fig. 2 is the A portion enlarged view of Fig. 1;
Fig. 3 is the structural representation of the another kind of mode of execution of the utility model fixing ball valve;
Fig. 4 is the B portion enlarged view of Fig. 3;
Fig. 5 is the schematic diagram of the utility model carrier ring.
Reference character: 1, valve body; 2, runner; 21, water intake; 22, water outlet; 3, spool spheroid; 31, limit dais; 4, valve rod; 5, valve seat; 51, groove; 52, seal groove; 53, jacking block; 54, Sealing; 55, seal ring; 6, carrier ring; 7, spring.
Embodiment
Referring to figs. 1 through Fig. 5, the utility model fixing ball valve embodiment is described further.
A kind of fixing ball valve, comprise valve body 1, in valve body 1, be through with runner 2, on valve body 1, offer the water intake 21 and the water outlet 22 that are communicated with runner 2, in valve body 1, be provided with the spool spheroid 3 of able to turn on or off runner 2, on valve body 1, be inserted with the valve rod 4 of linkage spool spheroid 3, the corresponding water intake 21 of valve body 1 and water outlet 22 positions are equipped with valve seat 5, valve body 1 inwall is provided with the carrier ring 6 that sets up spool spheroid 3, the middle hollow out of carrier ring 6 is also formed with clamp face, clamp face is curved surface shape and can agrees with mutually with spool spheroid 3, carrier ring 6 is divided into the two ends of spool spheroid 3 along valve rod 4 axial directions.
By adopting technique scheme, in valve body 1, be through with runner 2, flowing medium is entered in runner 2 and is flowed out by water outlet 22 by water intake 21, realize the keying of runner 2, and spool spheroid 3 links by spool spheroid 3 by valve rod 4, on valve body 1 inwall, be provided with carrier ring 6, carrier ring 6 lays respectively at the upper-lower position of spool spheroid 3 relative runners 2, and the clamp face of carrier ring 6 is curved surface shape and can agrees with mutually with spool spheroid 3, carrier ring 6 by spool spheroid both sides Shang Xia 3 is by spool spheroid 3 clamping positions, spool spheroid 3 can be in the interior rotation of carrier ring 6, in the time that the pressure of runner 2 inner fluid media is excessive, flowing medium impacts spool spheroid 3, now spool spheroid 3 directly passes to valve body 1 by pressure by carrier ring 6, and pressure can not passed to valve rod 4, avoid the pressure of flowing medium to act directly on valve rod 4 and damage valve rod 4, simultaneously by the clamping action of carrier ring 6 to spool spheroid 3, in the time that valve body 1 is worked under vibration environment, can avoid spool spheroid 3 to vibrate and collide with valve seat 5 and damage its sealing surface, guarantee the service behaviour of valve body 1.
As another kind of mode of execution of the present utility model, the corresponding carrier ring of described spool spheroid 36 positions cave inward and are formed with limit dais 31, and carrier ring 6 is inconsistent and on valve rod 4 axial directions, spool spheroid 3 is clamped with limit dais 31.
By adopting technique scheme, carrier ring 6 is inconsistent and on valve rod 4 axial directions, spool spheroid 3 is clamped with limit dais 31, spool spheroid 3 can only be rotated under the driving of valve rod 4, and all gripped firmly at above-below direction or other directions, while avoiding valve body 1 to work under vibration environment, spool spheroid 3, because producing rigid collision between vibration and valve seat 5, avoids its sealing surface impaired, extends its working life.
As preferably, the opposite side hollow out of the corresponding spool spheroid 3 of described valve seat 5 is formed with groove 51, is provided with spring 7 in groove 51, and valve body 1 respective slot 51 positions are extruded with for the sheathed jacking block 53 of spring 7.
By adopting technique scheme, the opposite side hollow out of the corresponding spool spheroid 3 of valve seat 5 is formed with groove 51, in groove 51, be provided with spring 7, the two ends that are spring 7 connect with valve seat 5 and valve body 1 respectively, spring 7 has an opposition to valve seat 5, push valve seat 5 to spool spheroid 3 one sides, for valve seat 5 and spool spheroid 3 provide reliable contact, guarantee its sealing reliability, valve body 1 respective slot 51 positions are extruded with for the sheathed jacking block 53 of spring 7 simultaneously, make the work of spring 7 more stable, avoid spring 7 displacements.
As preferably, corresponding spool spheroid 3 one sides of described valve seat 5 are provided with valve seat 5 sealing surfaces that coordinate spool spheroid 3, and on valve seat 5 sealing surfaces, depression is formed with seal groove 52, is provided with Sealing 54 in seal groove 52, between Sealing 54 and seal groove 52, is provided with spring 7.
By adopting technique scheme, on valve seat 5 sealing surfaces, depression is formed with seal groove 52, in seal groove 52, be provided with Sealing 54, and be provided with spring 7 between Sealing 54 and seal groove 52, spring 7 the contact force of having strengthened between Sealing 54 and spool spheroid 3 is set, further strengthen its sealing effect.
Corresponding valve body 1 inwall one side of described valve seat 5 is provided with seal ring 55.
By adopting technique scheme, seal ring 55 the further sealing reliability of having strengthened between valve seat 5 and valve body 1 is set, avoid valve body 1 to produce in the course of the work leakage.
As best preferred version of the present utility model, described Sealing 54 and seal ring 55 are made by expanded PTFE.
By adopting technique scheme, Sealing 54 and seal ring 55 are made by expanded PTFE, expanded PTFE has good chemical proof, abrasion resistant qualities and extremely strong high temperature resistant, low temperature ability, there is extremely strong anti-corrosion capacity, stable work in work, and there is good mechanical tenacity and spring-back force, sealability and the quality of the product greatly improving.
As preferably, described carrier ring 6 is one-body molded with valve body 1.
By adopting technique scheme, carrier ring 6 is one-body molded with valve body 1, and processing is convenient, guarantees the structural strength of carrier ring 6 simultaneously, improves the service behaviour of product.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technological schemes belonging 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, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. a fixing ball valve, comprise valve body, in valve body, be through with runner, on described valve body, offer the water intake and the water outlet that are communicated with runner, in described valve body, be provided with the spool spheroid of able to turn on or off runner, on valve body, be inserted with the valve rod of linkage spool spheroid, the corresponding water intake of described valve body and water outlet position are equipped with valve seat, it is characterized in that: described valve interior wall is provided with the carrier ring that sets up spool spheroid, the middle hollow out of carrier ring is also formed with clamp face, clamp face is curved surface shape and can agrees with mutually with spool spheroid, described carrier ring is divided into the two ends of spool spheroid along valve rod axis direction.
2. fixing ball valve according to claim 1, is characterized in that: the corresponding clamping of described spool spheroid ring position caves inward and is formed with limit dais, and carrier ring and limit dais are inconsistent and in valve rod axis direction, spool spheroid is clamped.
3. fixing ball valve according to claim 1 and 2, is characterized in that: the opposite side hollow out of the corresponding spool spheroid of described valve seat is formed with groove, is provided with spring in groove, and described valve body respective slot position is extruded with for the sheathed jacking block of spring.
4. fixing ball valve according to claim 3, it is characterized in that: the corresponding spool spheroid of described valve seat one side is provided with the sealing surface of seat that coordinates spool spheroid, on sealing surface of seat, depression is formed with seal groove, is provided with Sealing in seal groove, between Sealing and seal groove, is provided with spring.
5. fixing ball valve according to claim 4, is characterized in that: corresponding valve interior wall one side of described valve seat is provided with seal ring.
6. fixing ball valve according to claim 5, is characterized in that: described Sealing and seal ring are made by expanded PTFE.
7. fixing ball valve according to claim 6, is characterized in that: described carrier ring and valve body are one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420117777.1U CN203743488U (en) | 2014-03-15 | 2014-03-15 | Fixed ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420117777.1U CN203743488U (en) | 2014-03-15 | 2014-03-15 | Fixed ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203743488U true CN203743488U (en) | 2014-07-30 |
Family
ID=51343289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420117777.1U Expired - Fee Related CN203743488U (en) | 2014-03-15 | 2014-03-15 | Fixed ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203743488U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455532A (en) * | 2014-12-03 | 2015-03-25 | 刘振轩 | Automatic feeding or discharging valve |
| CN112780795A (en) * | 2021-02-27 | 2021-05-11 | 佛山信卓派思机械科技有限公司 | Long-life ball valve |
| CN112879564A (en) * | 2021-01-13 | 2021-06-01 | 西安近代化学研究所 | Corrosion-resistant sealing device for generating continuous axial fitting force by utilizing Poisson effect |
-
2014
- 2014-03-15 CN CN201420117777.1U patent/CN203743488U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455532A (en) * | 2014-12-03 | 2015-03-25 | 刘振轩 | Automatic feeding or discharging valve |
| CN104455532B (en) * | 2014-12-03 | 2017-03-22 | 刘振轩 | Automatic feeding or discharging valve |
| CN112879564A (en) * | 2021-01-13 | 2021-06-01 | 西安近代化学研究所 | Corrosion-resistant sealing device for generating continuous axial fitting force by utilizing Poisson effect |
| CN112780795A (en) * | 2021-02-27 | 2021-05-11 | 佛山信卓派思机械科技有限公司 | Long-life ball valve |
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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 |
Granted publication date: 20140730 Termination date: 20150315 |
|
| EXPY | Termination of patent right or utility model |