CN202646852U - Heat insulation sampling valve - Google Patents
Heat insulation sampling valve Download PDFInfo
- Publication number
- CN202646852U CN202646852U CN 201220266581 CN201220266581U CN202646852U CN 202646852 U CN202646852 U CN 202646852U CN 201220266581 CN201220266581 CN 201220266581 CN 201220266581 U CN201220266581 U CN 201220266581U CN 202646852 U CN202646852 U CN 202646852U
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- valve
- sleeve
- heat insulation
- nut
- valve body
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Abstract
The utility model discloses a heat insulation sampling valve, which comprises a valve body, a support frame assembly and a transmission mechanism, wherein a medium flow passage of the valve body comprises circumference surface peripheries at a medium inlet end and a medium outlet end, heat insulation jackets are respectively in covered arrangement, an integral heat insulation chamber is formed, a space in the heat insulation jacket is reasonable, the flowability of the heat insulation media is good, and the heat insulation effect is good; and the support frame assembly comprises a support seat and a sleeve, a valve rod and a valve clack are arranged in the center of the sleeve, and the two ends of the sleeve are respectively and fixedly connected with support seats arranged at two ends through screw studs and screw nuts. The sleeve type support frame structure has the advantages that the rigidity is good, the intensity is high, good matching can be realized with components of valve rods, screw nuts and the like, the possibility of valve failure caused by easy deformation twisting of the upright post type support frame is avoided, the valve rod and the valve clack adopt a shaft coupling assembly for connection, the defects of high processing difficulty, low precision, unstable valve performance and the like of slender shafts are avoided, the accumulated errors of the valve during the component processing can be effectively eliminated through the design of a guide assembly at the outer circle of the valve rod, and the positioning accuracy in the valve debugging process is ensured.
Description
Technical field
The utility model relates to a kind of sampling cock, relates in particular to a kind of insulation sampling cock.
Background technique
The insulation sampling cock is mainly used in the sample tap of petrochemical materials reactor, and the raw material in the reactor is taken a sample, analyzed.The reactor middle part is the position that least easily is stirred to, and only comes sample analysis around reactor, and this sampling mode is not enough to illustrate the truth of raw material.And because raw material is pulp-like, when being lower than 250 ℃, temperature will solidify, the normal running of impact sampling effect and valve, so, often in valve outside design insulation jacket, in insulation jacket, pass into high-temperature steam or kerosene, guarantee that sampling cock medium temperature is not less than 250 ℃ and produce and solidify, guarantee the analysis result of taking a sample accurately and the normal operation of valve.But present existing insulation sampling cock, ubiquity insulation jacket design un-reasonable phenomenon in use causes that thermal insulation medium is few and flow effect is bad, and medium solidifies in sampling cock, affects the normal operation of valve.In addition, also there is following use problem in existing insulation sampling cock structural design:
1, driving mechanism adopts Pillar stand, and rigidity and stability are bad, easily produce Stem Mut and flap decentraction, causes valve seal to lose efficacy;
2, valve rod and flap integral structure design belongs to slender axles, and machining accuracy is not easy to guarantee, causes valve performance unstable, can't really realize the sampling situation at the reactor middle part;
3, guide structure can not be eliminated the processing integrating error, locates inaccurate.
Summary of the invention
The technical problems to be solved in the utility model is that existing insulation sampling cock structure is optimized design, provides that a kind of insulation jacket is reasonable in design, transmission bracket rigidity and good stability, valve rod and flap are split type, the insulation sampling cock of guide structure accurate positioning.
The utility model is achieved through the following technical solutions:
A kind of insulation sampling cock, comprise valve body, bracket component and driving mechanism, in valve body, pack into successively flap, Packing seat, lower filler, spacer ring, on filler, filler pressing sleeve, hold-down grid, by tightening pressing plate double-screw bolt, the panel nut on the hold-down grid, compress filler and also stop medium to leak outside; Driving mechanism comprises valve rod, bearing, bearing gland, hand wheel nut, handwheel, Stem Mut, handwheel is fixed by hand wheel nut, regulates location, rotation hand wheel by positioning screwn, control valve stem nut band ovable valve stem and flap to-and-fro motion realize the sealing of valve body and open; Medium runner at described valve body, the circumferential surface that comprises medium inlet/outlet end is peripheral, all coats and is provided with insulation jacket, forms the soak chamber of an integral body, and the medium inlet/outlet end of valve body is provided with flange, and the inlet/outlet end of insulation jacket is provided with chuck suction flange and JO flange.
The further improved technological scheme of the utility model is: described bracket component comprises bearing and sleeve, the built-in valve rod in sleeve center and flap, and the sleeve two ends are fixedly connected with two end bearings by double-screw bolt, nut respectively.
The utility model further improved technological scheme is: described valve rod and flap are split-type structural, and both link to each other by the shaft coupling assembly.Described shaft coupling assembly comprises divided ring, retaining ring and back-up ring.The valve rod outer peripheral surface is provided with guidance set, by adjusting Cock screw, correctly shows the valve switch position.
The beneficial effects of the utility model are: the thermal insulation clamp sleeving inner space is reasonable, thermal insulation medium good fluidity, high insulating effect; Adopt telescopic supporting structure, good rigidly, intensity are large, can realize well cooperating with the accessory such as Stem Mut, avoid Pillar stand easily to distort and cause the possibility of valve invalidation; Valve rod and flap adopt the shaft coupling assembly to link, and have avoided the drawbacks such as the slender axles difficulty of processing is high, precision is low, valve performance is unstable; Valve adds man-hour at accessory cumulative error has effectively been eliminated in the design of guidance set, can the Cock screw in the guidance set be tightened accurate positioning in standard-sized sheet position, the complete shut-down position of valve in the valve debug process.
Description of drawings
Fig. 1 is the utility model sectional structure schematic diagram.
Fig. 2 is the A-A sectional structure schematic diagram of Fig. 1.
Fig. 3 is the B-B sectional structure schematic diagram of Fig. 1.
Among the figure: 1-valve body, 2-bracket component, 3-double-screw bolt, 4-nut, 5-valve rod, the 6-double-screw bolt, 7-nut, 8-bearing, 9-bearing, 10-bearing gland, the 11-hand wheel nut, 12-handwheel, 13-positioning screwn, 14-pump nozzle, 15-Stem Mut, the 16-sleeve, the 17-divided ring, the 18-retaining ring, 19-joins back-up ring, 20-hold-down grid, the 21-filler pressing sleeve, 22-filler, 23-spacer ring, filler under the 24-, the 25-Packing seat, 26-flap, 27-insulation jacket, 28-JO flange; 29-chuck suction flange, 30-Cock screw, 31-guidance set, 32-pressing plate double-screw bolt, 33-panel nut.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Such as Fig. 1, Fig. 2, shown in Figure 3, a kind of insulation sampling cock comprises valve body (1), bracket component (2) and driving mechanism:
In valve body 1, pack into successively flap 26, Packing seat 25, lower filler 24, spacer ring 23, on filler 22, filler pressing sleeve 21, hold-down grid 19, by tightening pressing plate double-screw bolt 32, the panel nut 33 on the hold-down grid 20, compress filler and also stop medium to leak outside.Medium runner at valve body 1, the circumferential surface that comprises medium inlet/outlet end is peripheral, all coat and be provided with insulation jacket 27, form the soak chamber of an integral body, and the medium inlet/outlet end of valve body 1 is provided with flange, and the inlet/outlet end of insulation jacket 27 is provided with chuck suction flange 29 and JO flange 28.The medium inlet/outlet end of valve body 1 and the entrance point of insulation jacket, the flange 28,29 that outlet end is provided with, be for the ease of with the installation of pipeline, reactor, thermal insulating material interface.Insulation jacket 27 is weldless tube, can bearing certain pressure.During valve working, need to pass into insulation steam or kerosene from chuck suction flange 28, flow out from JO flange 27 through circulation, the valve cavity medium is incubated, stop medium temperature to descend and solidify caking, keep the normal function of valve;
Driving mechanism comprises valve rod 5, bearing 9, bearing gland 10, hand wheel nut 11, handwheel 12, Stem Mut 15, shaft coupling assembly, guidance set 31, handwheel 12 is fixing by hand wheel nut 11, regulate the location by positioning screwn 13, add lubricant oil by pump nozzle 14.Valve rod 5 and flap 26 are split-type structural, and both link to each other by the shaft coupling assembly, and described shaft coupling assembly comprises divided ring 17, retaining ring 18 and back-up ring 19.Valve rod 5 outer peripheral surfaces are provided with guidance set 31, by adjusting Cock screw 30, correctly show the valve switch position.By the handwheel 12 that turns clockwise, valve rod 5 moves right, valve rod 5 and flap 26 connect by the shaft coupling assembly, driving synchronously flap 26 moves right together, sealing surface to valve body 1 is close, final flap 26 is under the pressure of valve rod 5, and valve clack sealing surface and valve body sealing surface fit tightly, and stops the interior medium of reactor to valve leakage.Be rotated counterclockwise handwheel 12, valve rod 5 is to left movement, and flap 26 is away from valve body sealing surface, until valve is opened fully.Guidance set 31 can be known the on off state that shows valve;
Bracket component 2 comprises bearing 8 and sleeve 16, the built-in valve rod 5 in sleeve 16 centers and flap 26, and sleeve 16 two ends are fixedly connected with two end bearings 8 by double-screw bolt 3, nut 4 and double-screw bolt 6, nut 7 respectively.
Assemble sequence of the present utility model: pack into successively in the valve body 1 flap 26, Packing seat 25, lower filler 24, spacer ring 23, upper filler 22, filler pressing sleeve 21, hold-down grid 19, by tightening pressing plate double-screw bolt 32, the panel nut 33 on the hold-down grid 20, compress filler and stop medium to leak outside; Divided ring 17 links to each other flap 26 with valve rod 5, load onto retaining ring 18 and back-up ring 19; Guidance set 31 is loaded onto valve rod 5, tentatively tighten Cock screw 30, bearing 8, bearing 9, bearing gland 10, hand wheel nut 11, handwheel 12, positioning screwn 13, pump nozzle 14, Stem Mut 15 are dressed up an assembly, this assembly and bracket component 2, double-screw bolt 6, nut 7 are dressed up an assembly again, select clockwise handwheel 12, with valve rod 5 and Stem Mut 15 normal mounting, double-screw bolt 3, nut 4 are installed, fastening nut 4 successively after the action after the switch accurate positioning is tightened Cock screw 30.
In order to make things convenient for the assembling of valve, all accessories are all followed the principle that shape, size, erection sequence etc. do not produce interference, have guaranteed the rationality that valve fittings is installed in structural design.
Valve design becomes dismantled and assembled structure, can carry out easily member replacing and maintenance; Selecting of forging and tubing, buying and easy processing can realize batch production, have wide market prospects.
Claims (5)
1. insulation sampling cock, comprise valve body (1), bracket component (2) and driving mechanism, in valve body (1), pack into successively flap (26), Packing seat (25), lower filler (24), spacer ring (23), upper filler (22), filler pressing sleeve (21), hold-down grid (19), by tightening pressing plate double-screw bolt (32), the panel nut (33) on the hold-down grid (20), compress filler and stop medium to leak outside; Driving mechanism comprises valve rod (5), bearing (9), bearing gland (10), hand wheel nut (11), handwheel (12), Stem Mut (15), handwheel (12) is fixing by hand wheel nut (11), regulate the location by positioning screwn (13), rotation hand wheel (12), control valve stem nut (15) band ovable valve stem (5) and flap (26) to-and-fro motion realize the sealing of valve body and open; It is characterized in that: the medium runner in described valve body (1), the circumferential surface that comprises medium inlet/outlet end is peripheral, all coat and be provided with insulation jacket (27), form the soak chamber of an integral body, and the medium inlet/outlet end of valve body (1) is provided with flange, and the inlet/outlet end of insulation jacket (27) is provided with chuck suction flange (29) and JO flange (28).
2. a kind of insulation sampling cock according to claim 1, it is characterized in that: described bracket component (2) comprises bearing (8) and sleeve (16), the built-in valve rod in sleeve (16) center (5) and flap (26), sleeve (16) two ends are fixedly connected with two end bearings (8) by double-screw bolt (3), nut (4) and double-screw bolt (6), nut (7) respectively.
3. a kind of insulation sampling cock according to claim 1 and 2, it is characterized in that: described valve rod (5) and flap (26) they are split-type structural, both link to each other by the shaft coupling assembly.
4. a kind of insulation sampling cock according to claim 3, it is characterized in that: described shaft coupling assembly comprises divided ring (17), retaining ring (18) and back-up ring (19).
5. a kind of insulation sampling cock according to claim 1, it is characterized in that: valve rod (5) outer peripheral surface is provided with guidance set (31), by adjusting Cock screw (30), correctly shows the valve switch position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220266581 CN202646852U (en) | 2012-06-07 | 2012-06-07 | Heat insulation sampling valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220266581 CN202646852U (en) | 2012-06-07 | 2012-06-07 | Heat insulation sampling valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202646852U true CN202646852U (en) | 2013-01-02 |
Family
ID=47415961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220266581 Expired - Lifetime CN202646852U (en) | 2012-06-07 | 2012-06-07 | Heat insulation sampling valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202646852U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777013A (en) * | 2015-04-15 | 2015-07-15 | 武汉为一知识产权开发有限公司 | Pneumatic slurry sampling valve with integrated internally-hung special sample cup |
| CN106151540A (en) * | 2016-07-05 | 2016-11-23 | 正茂阀门有限公司 | Adjustable quantitative sampling valve |
| CN106969192A (en) * | 2017-05-05 | 2017-07-21 | 安徽省屯溪高压阀门有限公司 | A kind of jacket heat-preservation sampling valve |
| CN109667946A (en) * | 2019-01-23 | 2019-04-23 | 张叶华 | A kind of sterile sampling valve |
| CN111853431A (en) * | 2020-07-24 | 2020-10-30 | 星辉环保材料股份有限公司 | Jacket type high-viscosity sampling valve |
-
2012
- 2012-06-07 CN CN 201220266581 patent/CN202646852U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777013A (en) * | 2015-04-15 | 2015-07-15 | 武汉为一知识产权开发有限公司 | Pneumatic slurry sampling valve with integrated internally-hung special sample cup |
| CN106151540A (en) * | 2016-07-05 | 2016-11-23 | 正茂阀门有限公司 | Adjustable quantitative sampling valve |
| CN106151540B (en) * | 2016-07-05 | 2018-08-17 | 正茂阀门有限公司 | Adjustable quantitative sampling valve |
| CN106969192A (en) * | 2017-05-05 | 2017-07-21 | 安徽省屯溪高压阀门有限公司 | A kind of jacket heat-preservation sampling valve |
| CN106969192B (en) * | 2017-05-05 | 2023-03-31 | 安徽省屯溪高压阀门股份有限公司 | Jacket heat preservation sampling valve |
| CN109667946A (en) * | 2019-01-23 | 2019-04-23 | 张叶华 | A kind of sterile sampling valve |
| CN109667946B (en) * | 2019-01-23 | 2019-11-08 | 张叶华 | A kind of sterile sampling valve |
| CN111853431A (en) * | 2020-07-24 | 2020-10-30 | 星辉环保材料股份有限公司 | Jacket type high-viscosity sampling valve |
| CN111853431B (en) * | 2020-07-24 | 2024-04-30 | 星辉环保材料股份有限公司 | Jacket type high-viscosity sampling valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |
|
| CX01 | Expiry of patent term |