CN203641520U - Tank bottom valve with membrane spool core - Google Patents
Tank bottom valve with membrane spool core Download PDFInfo
- Publication number
- CN203641520U CN203641520U CN201320895876.8U CN201320895876U CN203641520U CN 203641520 U CN203641520 U CN 203641520U CN 201320895876 U CN201320895876 U CN 201320895876U CN 203641520 U CN203641520 U CN 203641520U
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- Prior art keywords
- valve
- diaphragm
- joint
- tank bottom
- valve gap
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- Expired - Lifetime
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- 239000012528 membrane Substances 0.000 title abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 230000008676 import Effects 0.000 claims description 13
- 230000000452 restraining effect Effects 0.000 claims description 10
- 238000012856 packing Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 20
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000005070 sampling Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229960000074 biopharmaceutical Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model relates to a tank bottom valve with a membrane spool core and solves the technical problems that remained matters in dead corners between a valve stem and a bonnet when the existing tank bottom valve is opened causes pollution. The tank bottom valve is characterized in that the spool core comprises a spool core head capable of sealing a valve medium inlet, a connecting part and a membrane; a connecting swivel nut is arranged in the connecting part; one end of the connecting part is connected with the spool core head; the section of the membrane is in an umbrella shape with a central through hole; the other end of the connecting part is connected to the peripheral wall of the through hole of the membrane so that one end of the valve stem can penetrate the membrane to be fixedly connected with the connecting swivel nut in the connecting part, and the spool core head, the connecting part and the membrane are integrated; a seal washer is arranged at the outer edge of the membrane and disposed at a joint of a valve body with the bonnet. The tank bottom valve has the advantages that the spool core is divided into three parts, the valve stem is isolated from material or medium through the membrane, and accordingly the pollution caused by the remained matters in the dead corners between the valve stem and the bonnet can be effectively avoided and the valve can meet the hygienic application requirements.
Description
Technical field
The utility model relates to a kind of pipeline control device, relates in particular a kind of tank bottom valve with diaphragm type spool, is mainly used in valve field.
Background technique
At bio-pharmaceuticals or food-processing industry, conventionally can use various reaction vessels, and for the material in reaction vessel is discharged, tank bottom valve is substantially all installed at the bottom of the tank of container, material in container can be discharged by tank bottom valve, make container interior without material residual flow, realize working continuously of different material, existing tank bottom valve includes valve body, valve gap, spool, the parts such as valve rod, spool is arranged on the end of valve rod, junction point for fear of valve body and valve gap leaks, junction point at valve body and valve gap is provided with seal ring, when its work, valve rod promotes that spool is closed or Open valve import reaches the closure or openness of valve under external force drives, but this valve is in the time opening, medium all can contact with valve rod, because being mostly steel material, makes present valve rod, the easy like this valve rod that makes is corroded, secondly, dead angle between valve rod and valve gap, easily make material lagging, in the time producing different product, easily pollute, cannot reach sanitation-grade usage requirement.
Model utility content
In order to solve above technical problem, the utility model provides a kind of tank bottom valve with diaphragm type spool, and the spool of this tank bottom valve can be wrapped in valve rod in spool, avoids valve rod directly to contact with medium, thereby improves the sanitation-grade usage requirement of valve; Secondly, can ad hoc independently seal ring between valve body and valve gap, make this tank bottom valve there is the function of membrane valve and stop valve simultaneously.
For solving above technical problem, the technological scheme that the utility model is taked is a kind of tank bottom valve with diaphragm type spool, includes valve body, valve gap, valve rod and spool with medium inlet/outlet; Described spool includes valve core head, joint and the diaphragm of salable valve body media import, in joint, be provided with connection swivel nut, and joint one end is connected with valve core head, diaphragm cross section is umbrella shape Zhuan Qi center and is provided with through hole, the other end of joint can be fixedly connected with the swivel nut that is connected in joint through diaphragm with the connected valve rod one end that makes of the through hole of diaphragm week sidewall, and described valve core head, joint and diaphragm are structure as a whole; On the outer edge of diaphragm, be provided with seal washer, sealing packing ring is placed in the junction point of valve body and valve gap.
Further, described spool is placed in valve body, and rounded its external diameter of valve core head is greater than the internal diameter of medium import on valve body, is provided with in described valve core head end the arc convex being placed in valve body media import; Described joint cross section is rounded, and its external diameter is less than the external diameter of valve core head, and described connection swivel nut is embedded in joint and is fixedly connected with joint.
Further, described valve body is provided with seal groove, and the seal washer being arranged on diaphragm is placed in seal groove, and valve gap is connected with valve body screw thread and its bottom squeeze seal washer is tightly connected the junction point of valve body and valve gap.
Further, described valve gap includes valve gap body and union (screwed)bonnet (UB, on valve gap body, be provided with semicircle restraining groove, be provided with semi-circular recesses in the corresponding position of described valve rod and in this groove, ball be installed, second half can be placed in this ball the intrinsic restraining groove of valve gap valve rod is connected with valve gap body is spacing; Be provided with the spacing fixing annular boss of seal washer in described valve gap body bottom, on the outer side wall of valve gap body, be provided with fixing lug boss, described union (screwed)bonnet (UB is nested with to be affixed to merge with fixing lug boss on valve gap body and is connected with valve body screw thread.
The beneficial effects of the utility model are by spool being made as to three parts, valve rod one end is fixed on the joint of spool, utilize diaphragm by isolated to valve rod and material or medium, so just can effectively avoid valve rod directly to contact with material or medium, avoid dead angle between valve rod and valve gap, get rid of material lagging in valve body, avoid being detained material in the time producing different product and pollute, make valve reach sanitation-grade usage requirement; Secondly, edge at diaphragm arranges seal washer, and by sealing packing ring, the junction point of valve body and valve gap is tightly connected, so just can be lowered into life, be convenient to assembling, and the height difference of utilizing diaphragm can dwindle valve gap bottom and valve body media outlet port, when when valve opening, can realize medium without delay, further promote sanitation-grade usage requirement.
Accompanying drawing explanation
Fig. 1 is the sectional structure chart of a kind of tank bottom valve with diaphragm type spool of the utility model embodiment
Fig. 2 is the three-dimensional structure diagram of valve gap body in the utility model embodiment
Fig. 3 is the three-dimensional structure diagram of spool bottom in the utility model embodiment
Fig. 4 is the three-dimensional structure diagram of spool end in the utility model embodiment
Fig. 5 is the three-dimensional erection drawing of a kind of tank bottom valve with diaphragm type spool of the utility model embodiment
Embodiment
Below in conjunction with accompanying drawing, the utility model mode of execution is described further:
As Figure 1-5, the utility model is a kind of tank bottom valve with diaphragm type spool, includes valve body 1, valve gap 2, valve rod 3 and spool 4 with medium inlet/ outlet 11,12, contact with material in order to solve existing tank bottom valve valve rod in the time opening, easily make valve rod be corroded, cannot reach the technical problems such as sanitation-grade usage requirement, described spool 4 includes the valve core head 41 of salable valve body 1 medium import 11, joint 42 and diaphragm 43, in joint 42, be provided with and connect swivel nut 44, and joint 42 one end are connected with valve core head 41, diaphragm 43 cross sections are umbrella shape Zhuan Qi center and are provided with through hole 431, the other end of joint 42 is connected valve rod 3 one end can be fixedly connected with the swivel nut 44 that is connected in joint 42 through diaphragm 43 with 431 weeks sidewalls of through hole of diaphragm 43, described valve core head 41, joint 42 is structure as a whole with diaphragm 43, on the outer edge of diaphragm 43, be provided with seal washer 45, sealing packing ring 45 is placed in the junction point of valve body 1 and valve gap 2, by spool 4 is made as to three parts, valve rod 3 one end are fixed on the joint 42 of spool 4, utilize diaphragm 43 that valve rod 3 is isolated with material or medium, so just can effectively avoid valve rod 3 directly to contact with material or medium, between valve rod and valve gap, just can there is not dead angle, avoid material lagging in valve body, effectively prevent from being detained material and pollute in the time producing different product, make valve reach sanitation-grade usage requirement, secondly, in the edge of diaphragm 43, seal washer 45 is set, and by sealing packing ring 45, valve body 1 and the junction point of valve gap 2 are tightly connected, so just can reduce costs, be convenient to assembling, and the height difference of utilizing diaphragm 43 can dwindle valve gap 2 bottoms and valve body 1 media outlet 12 places, when when valve opening, can realize medium without delay, further promote sanitation-grade usage requirement.For ease of the work that is produced into of spool 4, valve core head 41, joint 42 is integrated molding and forming with diaphragm 43, connects swivel nut 44 and is embedded in joint 42, makes spool 4 and being connected of valve rod 3 more can be solid and reliable.For the ease of the unlatching and closure of valve, one end that valve rod 3 is placed in outside valve gap 2 is connected with driving mechanism 5, driving mechanism 5 can be handwheel, pneumatic drive, hydraulic driving or motorized motions etc., and which kind of specifically adopts drive, and can determine according to user's user demand or Environmental Conditions.
In the present embodiment, for ease of sealing and the assurance valve seal effect of valve, described spool 4 is placed in valve body 1, certainly also spool 4 can be placed in outside valve body 1 medium import 11, Open valve while utilizing valve rod 3 to drive spool 4 to top offset, closure valve during to bottom offset, but the present embodiment is that spool 4 is placed in valve body 1, mainly that the production and processing in order to guarantee spool 4 and the diaphragm 43 that utilizes spool 4 are isolated valve rod 3, avoid valve rod 3 directly to contact with medium, therefore, present embodiment is preferred implementation; In order to guarantee the medium import 11 on spool 4 energy sealed valve bodies 1, rounded its external diameter of described valve core head 41 is greater than the internal diameter of medium import 11 on valve body 1, is provided with in described valve core head 41 ends the arc convex 411 being placed in valve body 1 medium import 11; By arc convex 411 being set in the end of valve core head 41, in the time of valve closes, one dispersibles the pressure that spool 4 is subject to like this, and it two can utilize arc convex 411 to limit valve core head 41, prevents that it from deflecting away from outside media outlet 11; Described joint 42 cross sections are rounded, and its external diameter is less than the external diameter of valve core head 41, and described connection swivel nut 44 is embedded in joint 42 and is fixedly connected with joint 42; And joint 42 is made as to circular bar shape and is less than the external diameter of valve core head 41, so can reduce material, reduce production costs, the 2nd, the space of increasing valve body 1 content cavity that can be relative, make valve in the time opening, medium can enter that valve body 1 is interior discharges through media outlet 12 fast.
In the present embodiment, in order to guarantee the sealability of valve body 1 and valve gap 2 junction points, described valve body 1 is provided with seal groove 13, the seal washer 45 being arranged on diaphragm 43 is placed on seal groove 13, and valve gap 2 is threaded with valve body 1 and its bottom squeeze seal washer 45 is tightly connected valve body 1 and the junction point of valve gap 2; Seal groove 13 is set on valve body 1, seal washer 41 on diaphragm 43 edges just can be placed in seal groove 13 like this, then valve gap 2 is fixedly connected with valve body 1, just can oppresses seal washer 45 by valve gap 2 valve body 1 and the junction point of valve gap 2 are tightly connected.
In the present embodiment, for the ease of the connection of valve gap 2 and valve body 1 and prevent rotarily open or when closure valve valve rod 3 synchronize rotation, described valve gap 2 includes valve gap body 21 and union (screwed)bonnet (UB 22, on valve gap body 21, be provided with semicircle restraining groove 211, be provided with semi-circular recesses 31 in the corresponding position of described valve rod 3 and in this groove 31, ball 32 be installed, these ball 32 second half restraining grooves 211 that can be placed in valve gap body 21 make valve rod 3 be connected with valve gap body 21 is spacing, by restraining groove 211 is set on valve gap body 21, ball 32 is installed on valve rod 3 and ball 32 is snapped in restraining groove 211, like this when driving mechanism 5 rotary valve rod 3 closure or openness valve, valve rod 3 is subject to the restriction of ball 32, can synchronously not rotate, and on can only be axially, bottom offset, and when valve rod 3 is in the time that rotation is risen, when ball 32 slides into the bottom of semicircle restraining groove 211, be subject to the restriction of restraining groove 211, valve rod 3 cannot continue to rise, thereby the upward stroke to valve rod 3 limits, the effectively safety in utilization of protection valve, be provided with in described valve gap body 21 bottoms the spacing fixing annular boss 212 of seal washer 45, on the outer side wall of valve gap body 21, be provided with fixing lug boss 213, described union (screwed)bonnet (UB 22 is nested with to be affixed to merge with fixing lug boss 213 on valve gap body 21 and is threaded with valve body 1, owing to limiting by ball 32 between valve rod 3 and valve gap body 21, therefore valve gap body 21 can only be fixed by union (screwed)bonnet (UB 22 and valve body 1, in order to guarantee the sealability of seal washer 45, in valve gap body 21 bottoms, annular boss 212 is set, when installation, this annular boss 212 inserts in seal washer 45, in the time of union (screwed)bonnet (UB 22 rotational lock, it oppresses valve gap body 21 downward crush seal packing rings 45, thereby farthest guarantees the sealability of valve body 1 and valve gap 2 junction points.
At chemical industry, in pharmacy or food-processing industry, utilize extractor to carry out the mixing of material, purification is conventional technical matters, whether the purity when guaranteeing that the mixing match of material or material are purified reaches technological requirement, therefore is mostly all furnished with sampling cock 6, and the installation of sampling cock 6 is mainly divided into two kinds of modes, the first is directly installed on extractor, it two is that sampling cock 6 is integrated on tank bottom valve, sampling cock in the present embodiment is to adopt the latter, sampling cock 6 is integrated in tank bottom valve, for the ease of sampling, sampling cock 6 includes and is arranged on the sampling pipe of the relative side of valve body media import and is placed in the sample tap on sampling pipe sidewall, in described sampling pipe, be provided with can Seal and open sampling pipe sampling spool, sampling valve rod, sampling valve gap and Sampled Hand Grip, because the structure of sampling cock is identical with the structure of valve, just dwindle accordingly size, therefore, in the utility model, sampling cock 6 is not repeated in this description and is limited.
Above-described embodiment should not be considered as restriction of the present utility model, but any improvement of doing based on spirit of the present utility model, all should be within protection domain of the present utility model.
Claims (4)
1. there is a tank bottom valve for diaphragm type spool, include valve body, valve gap, valve rod and spool with medium inlet/outlet; It is characterized in that described spool includes valve core head, joint and the diaphragm of salable valve body media import, in joint, be provided with connection swivel nut, and joint one end is connected with valve core head, diaphragm cross section is umbrella shape Zhuan Qi center and is provided with through hole, the other end of joint can be fixedly connected with the swivel nut that is connected in joint through diaphragm with the connected valve rod one end that makes of the through hole of diaphragm week sidewall, and described valve core head, joint and diaphragm are structure as a whole; On the outer edge of diaphragm, be provided with seal washer, sealing packing ring is placed in the junction point of valve body and valve gap.
2. a kind of tank bottom valve with diaphragm type spool according to claim 1, it is characterized in that described spool is placed in valve body, rounded its external diameter of valve core head is greater than the internal diameter of medium import on valve body, is provided with in described valve core head end the arc convex being placed in valve body media import; Described joint cross section is rounded, and its external diameter is less than the external diameter of valve core head, and described connection swivel nut is embedded in joint and is fixedly connected with joint.
3. a kind of tank bottom valve with diaphragm type spool according to claim 1 and 2, it is characterized in that described valve body is provided with seal groove, the seal washer being arranged on diaphragm is placed in seal groove, and valve gap is connected with valve body screw thread and its bottom squeeze seal washer is tightly connected the junction point of valve body and valve gap.
4. a kind of tank bottom valve with diaphragm type spool according to claim 3, it is characterized in that described valve gap includes valve gap body and union (screwed)bonnet (UB, on valve gap body, be provided with semicircle restraining groove, be provided with semi-circular recesses in the corresponding position of described valve rod and in this groove, ball be installed, second half can be placed in this ball the intrinsic restraining groove of valve gap valve rod is connected with valve gap body is spacing; Be provided with the spacing fixing annular boss of seal washer in described valve gap body bottom, on the outer side wall of valve gap body, be provided with fixing lug boss, described union (screwed)bonnet (UB is nested with to be affixed to merge with fixing lug boss on valve gap body and is connected with valve body screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320895876.8U CN203641520U (en) | 2013-12-31 | 2013-12-31 | Tank bottom valve with membrane spool core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320895876.8U CN203641520U (en) | 2013-12-31 | 2013-12-31 | Tank bottom valve with membrane spool core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203641520U true CN203641520U (en) | 2014-06-11 |
Family
ID=50872765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320895876.8U Expired - Lifetime CN203641520U (en) | 2013-12-31 | 2013-12-31 | Tank bottom valve with membrane spool core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203641520U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107781435A (en) * | 2017-12-04 | 2018-03-09 | 马应龙药业集团股份有限公司 | A kind of tank bottom valve core |
-
2013
- 2013-12-31 CN CN201320895876.8U patent/CN203641520U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107781435A (en) * | 2017-12-04 | 2018-03-09 | 马应龙药业集团股份有限公司 | A kind of tank bottom valve core |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140611 |