CN204253916U - A kind of Pneumatic lining fluorine emptying ball valve - Google Patents
A kind of Pneumatic lining fluorine emptying ball valve Download PDFInfo
- Publication number
- CN204253916U CN204253916U CN201420617246.9U CN201420617246U CN204253916U CN 204253916 U CN204253916 U CN 204253916U CN 201420617246 U CN201420617246 U CN 201420617246U CN 204253916 U CN204253916 U CN 204253916U
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- valve body
- main valve
- pneumatic
- rod
- connecting sleeve
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Abstract
The utility model discloses a kind of Pneumatic lining fluorine emptying ball valve, comprise main valve body, auxiliary valve body, spool and pneumatic actuator, main valve body and auxiliary valve body seal docking in horizontal direction, and main valve body arranges outlet end, inlet porting end on auxiliary valve body; Spool is made up of spheroid and valve rod, arrange seal valve core print seat in main valve body, spheroid is arranged on seal valve core print seat, upper end sheathed Stuffing box, Gland and the connecting sleeve successively of valve rod, Stuffing box crimping is fixed on the upper end of main valve body, and Gland and Stuffing box are fastenedly connected by bolt assembly; Pneumatic actuator is positioned at the top of valve rod and affixed by the upper end of connection bracket and main valve body, and the bar head of one end socket valve rod of connecting sleeve, the other end of connecting sleeve is connected in the driving component of pneumatic actuator.This structure takes up room little, is convenient for changing, and sealing effect is good, can customize according to the size of customer requirement.
Description
Technical field
The utility model relates to ball valve technical field, especially relates to a kind of Pneumatic lining fluorine emptying ball valve.
Background technique
At present, discharging valve at the bottom of the still circulated in market generally all adopts the Y-shaped cut-off valve of straight journey mechanism kinematic, and its valve flowing channel is long, easily produces incrustation or the alluvial of still material, thus cause the stuck or valve stroke incomplete phenomena of sealing, cause fit badly, the contingency question such as leakage.If employing ball-valve structure, ball valve and still tank attachment portion length distance shorter, in switching process, do not produce incrustation, still material can be quickly through, and ball valve adopts angle stroke drive manner, spheroid is scraped sealing seat and is cut the incrustation can taken away on sealing surface, so sealing effect is better.The Conncetion cimension of the Pneumatic discharge ball valve used in prior art generally makes according to Flange Standard, single by structural limitations Dimensions, usually space-constrained still pot bottom position can not be used in, therefore a compact structure is produced in design, take up room little, sealing effect is good, can become important research topic according to the custom-sized Pneumatic discharge ball valve of customer requirement.
Notification number is CN2781114Y, the day for announcing is disclose a kind of pneumatic ball valve in the Chinese patent document on May 17th, 2006, and include valve body, spool and valve rod, spool and valve rod are connected, described valve body is provided with cylinder, and the displacement of the piston rod of cylinder and the rotation of valve rod are connected.Valve rod is provided with gear, and piston rod is provided with tooth bar, and rack and pinion is meshed.This structure adopts the pneumatic actuator of gear rack when being placed on still pot bottom, easily crossing with still pot bottom thermal insulation layer, reduce thermal insulation area, and this kind of structure takes up room greatly, be not easy to be placed on narrow still pot bottom position, it is also extremely unfavorable that mounting or dismounting are changed.
Model utility content
The utility model is for the shortcoming of prior art, technical problem to be solved is to provide a kind of Pneumatic lining fluorine emptying ball valve being exclusively used in narrow still pot bottom position, and it takes up room little, is convenient for changing, sealing effect is good, can customize according to the size of customer requirement.
The utility model makes above-mentioned technical problem be solved by the following technical programs.
A kind of Pneumatic lining fluorine emptying ball valve, comprise main valve body, auxiliary valve body, spool and pneumatic actuator, main valve body and auxiliary valve body seal docking in horizontal direction, and main valve body arranges outlet end, inlet porting end on auxiliary valve body; Spool is made up of spheroid and valve rod, arrange seal valve core print seat in main valve body, spheroid is arranged on seal valve core print seat, upper end sheathed Stuffing box, Gland and the connecting sleeve successively of valve rod, Stuffing box crimping is fixed on the upper end of main valve body, and Gland and Stuffing box are fastenedly connected by bolt assembly; Pneumatic actuator is positioned at the top of valve rod and affixed by the upper end of connection bracket and main valve body, and the bar head of one end socket valve rod of connecting sleeve, the other end of connecting sleeve is connected in the driving component of pneumatic actuator.The valve body part of the emptying ball valve of this structure is made up of main valve body and auxiliary valve body, replacing for convenience detach, especially auxiliary valve body can carry out size customization according to the demand of client, makes it easily be placed on still pot bottom position, only need during maintain and replace to change auxiliary valve body, save maintenance management cost.Because of the angle stroke operational structure that it adopts ball valve, sealing effect is better.
As preferably, the contact position of main valve body, auxiliary valve body, spool and Stuffing box and flowing medium all arranges fluorine and moulds layer.
As preferably, it is polyfluorinated ethylene propylene, teflon or polyolefin that fluorine moulds layer.
As preferably, described outlet end arranges seal joint.
As preferably, the horizontal center line of main valve body, auxiliary valve body and spheroid is located along the same line.
As preferably, pneumatic actuator comprises cylinder and drive cassette, pivoted arm and coupling shaft are set in drive cassette, the movable end of pivoted arm can in the horizontal direction around the shaft axis System of Rotating about Fixed Axis of fixed end, the movable end of pivoted arm arranges chute, one end of coupling shaft arranges the shift fork hinged with chute, the other end of coupling shaft is connected on the piston rod of cylinder, the fixed end of pivoted arm is coaxially arranged the draw-in groove matched with connecting sleeve, pivoted arm and coupling shaft are subject to the driving force of piston rod jointly to form connecting rod shifting fork structure.
As preferably, shift fork, by driving bearing pin and chute hinged, driving bearing pin is arranged with propeller shaft sleeve.
The beneficial effects of the utility model:
1. compact structure is reasonable, does not produce incrustation, and make sealing effect better, performance is more stable.
2. adopting the pneumatic actuator of connecting rod shift fork, at still tank axially-extending, avoid crossing with still tank, when not reducing thermal insulation area, save space, and this structural safety is reliable, good stability.
3. auxiliary valve body can require customization according to user, and application flexibility is strong, and convenient for maintaining is changed, and saves cost.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model;
Fig. 2 is the plan structure schematic diagram of Fig. 1;
Fig. 3 is the plan structure schematic diagram removing pneumatic actuator in Fig. 1;
Fig. 4 is a kind of perspective structure schematic diagram of pneumatic actuator in Fig. 1;
Fig. 5 is the left sectional structure schematic diagram of Fig. 4;
Fig. 6 is the main TV structure schematic diagram of pivoted arm in Fig. 4;
Fig. 7 is the left TV structure schematic diagram of Fig. 6;
Fig. 8 is the main TV structure schematic diagram of connecting sleeve in Fig. 4;
In figure: 1-main valve body, 2-auxiliary valve body, 3-spheroid, 4-valve rod, 5-seal valve core print seat, 6-Stuffing box, 7-Gland, 8-connecting sleeve, 9-connection bracket, 10-seal joint, 11-cylinder, 12-drive cassette, 13-pivoted arm, 14-coupling shaft, 15-piston rod, 16-draw-in groove, 17-chute, 18-shift fork, 19-fluorine moulds layer, and 20-drives bearing pin, 21-propeller shaft sleeve.
Embodiment
Also by reference to the accompanying drawings the utility model is described in detail below by embodiment.
A kind of Pneumatic lining fluorine emptying ball valve of the utility model as shown in Fig. 1 Fig. 2, comprise main valve body 1, auxiliary valve body 2, spool and pneumatic actuator, for preventing the deep-etching of flowing medium, all be provided with fluorine at main valve body 1, auxiliary valve body 2, spool and Stuffing box 6 with the contact position of flowing medium and mould layer 19, according to practical situations, fluorine is moulded layer and usually can be selected to carry out high-pressure injection moulding process treating in polyfluorinated ethylene propylene, teflon or polyolefine material.As shown in Figure 3, main valve body 1 and auxiliary valve body 2 seal docking in horizontal direction, and main valve body 1 arranges outlet end, inlet porting end on auxiliary valve body 2, in order to possess better sealability, can arrange seal joint 10 on outlet end.Spool is made up of spheroid 3 and valve rod 4, arranges seal valve core print seat 5 in main valve body 1, and spheroid 3 is arranged on seal valve core print seat 5, and the horizontal center line of main valve body 1, auxiliary valve body 2 and spheroid 3 is located along the same line.Upper end sheathed Stuffing box 6, Gland 7 and the connecting sleeve 8 successively of valve rod 4, Stuffing box 6 crimping is fixed on the upper end of main valve body 1, and Gland 7 and Stuffing box 6 are fastenedly connected by bolt assembly.Pneumatic actuator is positioned at the top of valve rod 4 and affixed with the upper end of main valve body 1 by connection bracket 9, and the bar head of one end socket valve rod 4 of connecting sleeve 8, the other end of connecting sleeve 8 is connected in the driving component of pneumatic actuator.As as shown in Fig. 4 Fig. 5, as a kind of mode of execution of pneumatic actuator, pneumatic actuator comprises cylinder 11 and drive cassette 12, pivoted arm 13 and coupling shaft 14 are set in drive cassette 12, the structure of pivoted arm 13 is as shown in Fig. 6 Fig. 7, the structure of coupling shaft 14 as shown in Figure 8, the movable end of pivoted arm 13 can in the horizontal direction around the shaft axis System of Rotating about Fixed Axis of fixed end, the movable end of pivoted arm 13 arranges chute 17, one end of coupling shaft 14 arranges the shift fork 18 hinged with chute 17, shift fork 18 is by driving bearing pin 20 and chute 17 hinged, drive on bearing pin 20 and be arranged with propeller shaft sleeve 21.The other end of coupling shaft 14 is connected on the piston rod 15 of cylinder 11, the fixed end of pivoted arm 13 is coaxially arranged the draw-in groove 16 matched with connecting sleeve 8, and pivoted arm 13 and coupling shaft 14 are subject to the driving force of piston rod 15 jointly to form connecting rod shifting fork structure.This connecting rod shifting fork structure, just at still tank axially-extending, compared with adopting the pneumatic actuator of gear & rack structure, avoids and crossingly with still pot bottom thermal insulation layer cause thermal insulation area to reduce, and this structure stability is good, safe and reliable, takes up room little.
Claims (7)
1. a Pneumatic lining fluorine emptying ball valve, it is characterized in that: comprise main valve body (1), auxiliary valve body (2), spool and pneumatic actuator, main valve body (1) and auxiliary valve body (2) seal docking in horizontal direction, and (1) arranges outlet end to main valve body, the upper inlet porting end of auxiliary valve body (2); Spool is made up of spheroid (3) and valve rod (4), seal valve core print seat (5) is set in main valve body (1), spheroid (3) is arranged on seal valve core print seat (5), upper end sheathed Stuffing box (6), Gland (7) and the connecting sleeve (8) successively of valve rod (4), Stuffing box (6) crimping is fixed on the upper end of main valve body (1), and Gland (7) and Stuffing box (6) are fastenedly connected by bolt assembly; The top that pneumatic actuator is positioned at valve rod (4) is also affixed with the upper end of main valve body (1) by connection bracket (9), the bar head of one end socket valve rod (4) of connecting sleeve (8), the other end of connecting sleeve (8) is connected in the driving component of pneumatic actuator.
2. Pneumatic lining fluorine emptying ball valve according to claim 1, is characterized in that: main valve body (1), auxiliary valve body (2), spool and Stuffing box (6) all arrange fluorine with the contact position of flowing medium and mould layer (19).
3. Pneumatic lining fluorine emptying ball valve according to claim 2, is characterized in that: it is polyfluorinated ethylene propylene, teflon or polyolefin that fluorine moulds layer.
4. Pneumatic lining fluorine emptying ball valve according to claim 1, is characterized in that: described outlet end is arranged seal joint (10).
5. Pneumatic lining fluorine emptying ball valve according to claim 1, is characterized in that: the horizontal center line of main valve body (1), auxiliary valve body (2) and spheroid (3) is located along the same line.
6. Pneumatic lining fluorine emptying ball valve according to any one of claim 1 to 5, it is characterized in that: pneumatic actuator comprises cylinder (11) and drive cassette (12), pivoted arm (13) and coupling shaft (14) are set in drive cassette (12), the movable end of pivoted arm (13) can in the horizontal direction around the shaft axis System of Rotating about Fixed Axis of fixed end, the movable end of pivoted arm (13) arranges chute (17), one end of coupling shaft (14) arranges the shift fork (18) hinged with chute (17), the other end of coupling shaft (14) is connected on the piston rod (15) of cylinder (11), the fixed end of pivoted arm (13) is coaxially arranged the draw-in groove (16) matched with connecting sleeve (8), pivoted arm (13) and coupling shaft (14) form connecting rod shifting fork structure jointly by the driving force of piston rod (15).
7. Pneumatic lining fluorine emptying ball valve according to claim 6, is characterized in that: shift fork (18), by driving bearing pin (20) and chute (17) hinged, drives on bearing pin (20) and is arranged with propeller shaft sleeve (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420617246.9U CN204253916U (en) | 2014-10-24 | 2014-10-24 | A kind of Pneumatic lining fluorine emptying ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420617246.9U CN204253916U (en) | 2014-10-24 | 2014-10-24 | A kind of Pneumatic lining fluorine emptying ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204253916U true CN204253916U (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420617246.9U Expired - Fee Related CN204253916U (en) | 2014-10-24 | 2014-10-24 | A kind of Pneumatic lining fluorine emptying ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204253916U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027394A (en) * | 2018-07-27 | 2018-12-18 | 武汉船用机械有限责任公司 | A kind of quick action emergency valve |
| CN109210233A (en) * | 2018-11-16 | 2019-01-15 | 高昂 | A kind of pneumatic Unloading ball valve |
| CN110030398A (en) * | 2019-05-13 | 2019-07-19 | 苏州工业园区思达德阀门有限公司 | A kind of accurate control ball valve of pneumatic limit |
| CN115789282A (en) * | 2023-02-08 | 2023-03-14 | 中国空气动力研究与发展中心低速空气动力研究所 | Control valve and control device for air supply flow |
-
2014
- 2014-10-24 CN CN201420617246.9U patent/CN204253916U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027394A (en) * | 2018-07-27 | 2018-12-18 | 武汉船用机械有限责任公司 | A kind of quick action emergency valve |
| CN109210233A (en) * | 2018-11-16 | 2019-01-15 | 高昂 | A kind of pneumatic Unloading ball valve |
| CN110030398A (en) * | 2019-05-13 | 2019-07-19 | 苏州工业园区思达德阀门有限公司 | A kind of accurate control ball valve of pneumatic limit |
| CN115789282A (en) * | 2023-02-08 | 2023-03-14 | 中国空气动力研究与发展中心低速空气动力研究所 | Control valve and control device for air supply flow |
| CN115789282B (en) * | 2023-02-08 | 2023-08-25 | 中国空气动力研究与发展中心低速空气动力研究所 | Control valve and control device for air supply flow |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20201024 |