CN209130225U - A kind of fixed bottom ball valve of flanged joint - Google Patents
A kind of fixed bottom ball valve of flanged joint Download PDFInfo
- Publication number
- CN209130225U CN209130225U CN201822008560.8U CN201822008560U CN209130225U CN 209130225 U CN209130225 U CN 209130225U CN 201822008560 U CN201822008560 U CN 201822008560U CN 209130225 U CN209130225 U CN 209130225U
- Authority
- CN
- China
- Prior art keywords
- valve
- ball
- valve seat
- deck
- valve body
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of fixed bottom ball valves of flanged joint, including valve body, valve deck, valve rod and valve ball, feed pathway, valve ball installation room and liquid outlet channel are successively opened in the valve body from left to right, it is indoor that the valve ball is placed in the valve ball installation, the valve deck is fixed on the top of the valve body, and the valve rod is threaded through in the valve deck and the valve rod is connect with the valve ball；The left and right ends of the valve body are respectively equipped with flange in the periphery of the feed pathway and the liquid outlet channel, and the valve rod is fixedly connected with the valve ball, and the valve ball is configured to not have the one-movement-freedom-degree so that its centre of sphere generates displacement relative to the valve body.The utility model is connect using flange with bottom, versatile, quick-detach can be replaced and be repaired fastly while meeting the work requirements of bottom ball valve；The utility model then using fixed ball design, can significantly improve the service life of bottom ball valve, have high pressure resistant, the stable advantage of operation torque.
Description
Technical field
The utility model relates to valve fields, relate in particular to a kind of fixed bottom ball valve of flanged joint.
Background technique
Bottom ball valve is mounted in the stop valve of reaction kettle bottom end, for cutting off the valve of bottom medium outflow, because of installation
Position is special, it is desirable that valve is as close to bottom, and when closed, the space between valve and reaction kettle is as small as possible, to subtract
Small reaction medium reaction is insufficient and medium wastes.
Traditional bottom ball valve mostly uses greatly to be attached with the mode of reaction kettle welding, has lesser hydrops empty in this way
Between, but reaction kettle is generally resistance to appliance in a device, and valve belongs to easily worn part, need regular checking maintenance, as bottom ball valve with
Reaction kettle welding, the service life of bottom ball valve strictly limits the service life of reaction kettle, such as valve more difficult in maintenance and disassembly
It breaks down, quickly can not repair and replace, there is certain application limitation.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of versatile, can fast quick-detach carry out replacement and
Maintenance improves the fixed bottom ball valve of the flanged joint of the working performance of bottom ball valve entirety.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution: a kind of flanged joint it is fixed
Bottom ball valve, including valve body, valve deck, valve rod and valve ball successively open feed pathway, valve ball installation in the valve body from left to right
Room and liquid outlet channel, the valve ball are placed in valve ball installation interior, and the valve deck is fixed on the top of the valve body, the valve
Bar is threaded through in the valve deck and the valve rod is connect with the valve ball；
The left and right ends of the valve body are respectively equipped with flange in the periphery of the feed pathway and the liquid outlet channel, described
Valve rod is fixedly connected with the valve ball, and the valve ball is configured to not have so that its centre of sphere generates displacement relative to the valve body
One-movement-freedom-degree.
Further, the valve ball is used is configured to not have so that its centre of sphere is relative to the valve with flowering structure realization
Body generates the one-movement-freedom-degree of displacement: the lower end of the valve deck is protruded into the valve body, the top of the valve ball be equipped with it is described
The boss of valve rod coaxial line, the boss protrude into the lower end of the valve deck, between the periphery wall of the boss and the valve deck
Equipped with upper bearing (metal), the upper surface of the upper bearing (metal) and valve deck limit cooperation, lower end surface and boss limit cooperate；
The bottom of the valve body is equipped with the lower shaft with the valve rod coaxial line, and the valve ball is protruded into the upper end of the lower shaft
It is interior, lower bearing is equipped between the periphery wall of the lower shaft and the valve ball, the upper surface of the lower bearing and the valve ball limit
Cooperation, lower end surface and lower shaft limit cooperate.
Further, dustband, the upper dustband position are additionally provided between the periphery wall of the boss and the valve deck
Lower dustband, the lower dustband are additionally provided between the lower section of the upper bearing (metal), the periphery wall of the lower shaft and the valve ball
Positioned at the lower section of the lower bearing.
Further, the lower shaft activity is threaded through on the valve body and is pressed abd fixed on the valve body by pressing plate,
Venthole is provided on the lower shaft.
Further, the venthole penetrates through the lower shaft, the outer end screw thread of the venthole along the axis of the lower shaft
It is connected with plug.
Further, it is additionally provided in the valve body for sealing cooperation with the valve ball and the feed pathway is truncated
Trip valve seat and the downstream valve seat of the liquid outlet channel is truncated for sealing cooperation with the valve ball, and the upstream valve seat and
Downstream valve seat is soft valve seat；
The upstream valve seat is fastened in the first annular groove being opened on the valve interior wall, the liquid outlet channel
It is provided with bracket mounting groove on the conduit wall of left end, the cyclic annular valve seat holder that can be horizontally slipped is equipped in the bracket mounting groove, it is described
Downstream valve seat is mounted on the left side of the cyclic annular valve seat holder, and the right side of the ring-type valve seat holder and the bracket are installed
Butterfly spring is equipped between the right side wall of slot.
Further, the downstream valve seat uses the left side realized with flowering structure and be mounted on the cyclic annular valve seat holder:
The left side of the ring-type valve seat holder is provided with second annular groove, and the downstream valve seat is fastened on the second annular groove
Interior, a cyclic annular valve seat pressing ring is bolted on the left side of the cyclic annular valve seat holder, and the cyclic annular valve seat pressing ring position
In the periphery of the downstream valve seat, the inner peripheral surface of the ring-type valve seat pressing ring and right side are matched with downstream valve seat limit
It closes.
Further, the left side of the upstream valve seat is provided with annular resilient slot.
The utility model has the following beneficial effects:
The utility model is connect using flange with bottom, versatile, can meet the same of the work requirements of bottom ball valve
When, quick-detach it can be replaced and be repaired fastly；The utility model is then using fixed ball design, in the operating condition, valve simultaneously
Ball does not have displacement relative to valve body, can effectively reduce the normal pressure between valve ball and downstream valve seat, to reduce valve ball under
The friction of valve seat is swum, the working performance of bottom ball valve entirety is improved, can significantly improve the service life of bottom ball valve, it is especially suitable
The bigbore bottom ball valve design of High Pressure Difference is closed, there is high pressure resistant, the stable advantage of operation torque.
Detailed description of the invention
Fig. 1 is the cross-sectional view of an embodiment of the present invention.
Fig. 2 is the scheme of installation of an embodiment of the present invention middle and lower reaches valve seat.
Fig. 3 is the cross-sectional view of an embodiment of the present invention middle and upper reaches valve seat.
The label of each component in attached drawing are as follows: 1 valve body, 11 feed pathways, 12 valve balls install room, 13 liquid outlet channels, 2 valve decks, 3
It is valve rod, 4 valve balls, 41 boss, 5 flanges, 6 lower shafts, 61 ventholes, 71 upper bearing (metal)s, 72 lower bearings, dust-proof under dustband, 74 on 73
Circle, 75 pressing plates, 76 plugs, 81 upstream valve seats, 811 annular resilient slots, 82 downstream valve seats, 9 cyclic annular valve seat holders, 91 cyclic annular valve seats
Pressing ring, 92 bolts, 10 butterfly springs.
Specific embodiment
It is described in detail the utility model below with reference to the accompanying drawings.It should be noted that in the absence of conflict, this Shen
Please in embodiment and embodiment in feature can be combined with each other.
Referring to Fig. 1 to Fig. 3.
The fixed bottom ball valve of the utility model flanged joint, including valve body 1, valve deck 2, valve rod 3 and valve ball 4, it is described
Feed pathway 11, valve ball installation room 12 and liquid outlet channel 13, the valve ball 4 are successively opened in valve body 1 from left to right and is placed in described
Valve ball is installed in room 12, and the valve deck 2 is fixed on the top of the valve body 1, and the valve rod 3 is threaded through in the valve deck 2 and institute
Valve rod 3 is stated to connect with the valve ball 4；
The left and right ends of the valve body 1 are respectively equipped with flange in the periphery of the feed pathway 11 and the liquid outlet channel 13
5, the valve rod 3 is fixedly connected with the valve ball 4, and the valve ball 4 is configured to not have so that its centre of sphere is relative to the valve
Body 1 generates the one-movement-freedom-degree of displacement.
In use, the flange of liquid feeding end, for connecting with bottom, the flange of outlet end is used to connect with corresponding liquid equipment out,
The purpose of repeatable dismounting is realized, quick-detach can be replaced fastly while meeting the work requirements of bottom ball valve
And maintenance；In addition, traditional bottom ball valve is all made of float ball design, it is same with certain liquid level difference when being mounted on bottom
When, there are also pressure medium effects, therefore valve ball has biggish normal pressure to downstream valve seat, such as frequently switches on movement, will quickly break
Bad downstream valve seat sealing structure, causes valve seal to fail.
And the utility model is then designed using fixed ball, in the operating condition, valve ball does not have displacement relative to valve body, from
And the normal pressure between valve ball and downstream valve seat can be effectively reduced, to reduce friction of the valve ball to downstream valve seat, improve bottom
The working performance of ball valve entirety can significantly improve the service life of bottom ball valve, be particularly suitable for the bigbore bottom of High Pressure Difference
Ball valve design has high pressure resistant, the stable advantage of operation torque.
In one embodiment, the valve ball 4 use with flowering structure realization be configured to do not have so that its centre of sphere relative to
The valve body 1 generates the one-movement-freedom-degree of displacement: the lower end of the valve deck 2 is protruded into the valve body, and the top of the valve ball 4 is set
There is the boss 41 with 3 coaxial line of valve rod, the boss 41 protrudes into the lower end 2 of the valve deck 2, the periphery of the boss 41
Upper bearing (metal) 71, the upper surface of the upper bearing (metal) 71 and the valve deck 2 limit cooperation, lower end surface are equipped between wall and the valve deck 2
It limits and cooperates with the boss 41；
The bottom of the valve body 1 is equipped with the lower shaft 6 with 3 coaxial line of valve rod, and the valve is protruded into the upper end of the lower shaft 6
In ball 4, between the periphery wall and the valve ball 4 of the lower shaft 6 be equipped with lower bearing 72, the upper surface of the lower bearing 72 with it is described
The limit of valve ball 4 cooperation, lower end surface and the lower shaft 6 limit cooperate.
It designs in this way, upper bearing (metal) is extended through valve deck to valve chamber, and boss extends to valve deck, is arranged in valve ball upper end, lower axle
It holds and is extended through lower shaft, is arranged in valve ball, reduce the acting force arm of bearing, reduce valve ball under pressure medium effect
Valve ball, can be limited to always on valve rod rotation centerline, can effectively reduce friction of the valve ball to downstream valve seat by displacement and deformation
Power improves the working performance of bottom ball valve entirety.
In one embodiment, be additionally provided with dustband 73 between the periphery wall and the valve deck 2 of the boss 41, it is described on
Dustband 73 is located at the lower section of the upper bearing (metal) 71, is additionally provided with lower dustband between the periphery wall and the valve ball 4 of the lower shaft 6
74, the lower dustband 74 is located at the lower section of the lower bearing 72.To prevent particulate matter in medium crystallization and medium from entering bearing
Gap respectively devises a dustband in each bearing lower end, for preventing the particle in medium from entering bearing clearance, guarantees bearing
It is reliable for operation.
In one embodiment, 6 activity of lower shaft is threaded through on the valve body 1 and is pressed abd fixed on by pressing plate 75 described
On valve body 1, venthole 61 is provided on the lower shaft 6.It designs in this way, is easy fabrication and installation, convenient for disassembly and assembly, venthole is for discharging
Pressure makes lower shaft successfully protrude into valve ball bottom.
In one embodiment, the venthole 61 penetrates through the lower shaft 6, the venthole 61 along the axis of the lower shaft 6
Outer end be threaded with plug 76.It designs in this way, structurally reasonable, plug is for blocking venthole.
In one embodiment, it is additionally provided in the valve body 1 for sealing cooperation with the valve ball 4 and the feed liquor is truncated and leads to
The upstream valve seat 81 in road 11 and the downstream valve seat 82 of the liquid outlet channel 13 is truncated for sealing cooperation with the valve ball 4,
And the upstream valve seat 81 and downstream valve seat 82 are soft valve seat；
The upstream valve seat 81 is fastened in the first annular groove being opened on 1 inner wall of valve body, and the liquid out is logical
It is provided with bracket mounting groove on the left end conduit wall in road 13, is equipped with the cyclic annular valve seat holder that can be horizontally slipped in the bracket mounting groove
9, the downstream valve seat 82 is mounted on the left side of the cyclic annular valve seat holder 9, the right side of the ring-type valve seat holder 9 and institute
It states and is equipped with butterfly spring 10 between the right side wall of bracket mounting groove.
This design of the utility model, upstream valve seat are directly installed on valve body, and downstream valve seat passes through cyclic annular valve seat holder
Be mounted in valve body, in this way, upstream valve seat eliminates each installation part, installation space is small, can reduce as far as possible bottom ball valve with
Hydrops space between reaction kettle, and upstream valve seat has flexible deformation by soft seat design, has upstream valve seat certain
Decrement realizes the reliable sealing between valve seat and valve ball；And in downstream valve seat design, then it is supported using valve seat holder, together
Shi Caiyong disk spring provides the sealing face pressure between downstream valve seat and valve ball, can provide bigger elastic compensating, structure letter
It is single, reliable operation.
Preferably, the left side of the upstream valve seat 81 is provided with annular resilient slot 811, is become with improving the elasticity of upstream valve seat
Shape；The upstream valve seat and the downstream valve seat are made of enhanced reinforcing polytetrafluoroethylene (PTFE), and effect is reliable.
In one embodiment, the downstream valve seat 82, which is used, is mounted on the cyclic annular valve seat holder 9 with flowering structure realization
Left side: the left side of the ring-type valve seat holder 9 is provided with second annular groove, and the downstream valve seat 82 is fastened on described second
In annular groove, a cyclic annular valve seat pressing ring 91 is bolted on the left side of the cyclic annular valve seat holder 9, and the ring-type
Valve seat pressing ring 91 is located at the periphery of the downstream valve seat 82, the inner peripheral surface of the ring-type valve seat pressing ring 91 and right side with it is described
The limit cooperation of downstream valve seat 82.
It designs in this way, by pressing ring, downstream valve seat is fixed on bracket using multiple bolts, spiral shell on the one hand can be used
The pretightning force of bolt makes to realize on the other hand sealing can prevent downstream valve seat worked between downstream valve seat and valve seat holder
The case where being detached from valve seat holder in journey, leading to seal failure, it is ensured that the reliable fit between downstream valve seat and bracket.
Using above-mentioned design, clearance fit can will be designed as between downstream valve seat and valve seat holder, downstream valve seat can be made
It is assemblied between valve seat holder for standardized element, is then fastened by pressing ring and bolt, there is easy to process, assembly in this way
Simply, and the characteristics of reliable performance, the mode manufactured after being interference fitted between traditional downstream valve seat and bracket, processing are changed
More efficient, working performance is more reliable, on big-diameter ball valve using can solve the shortcomings that soft valve seat is easily deformed.
It should be understood that example as described herein and embodiment are not intended to limit the utility model only for explanation, this
Field technical staff can make various modifications or variation according to it, within the spirit and principle of the utility model, made
Any modification, equivalent substitution, improvement and etc. should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of fixed bottom ball valve of flanged joint, including valve body, valve deck, valve rod and valve ball, in the valve body from a left side to
The right side successively opens feed pathway, valve ball installation room and liquid outlet channel, and the valve ball is placed in valve ball installation interior, the valve deck
It is fixed on the top of the valve body, the valve rod is threaded through in the valve deck and the valve rod is connect with the valve ball；
It is characterized by: the left and right ends of the valve body are respectively equipped with method in the periphery of the feed pathway and the liquid outlet channel
Orchid, the valve rod are fixedly connected with the valve ball, and the valve ball is configured to not have so that its centre of sphere is relative to the valve body
Generate the one-movement-freedom-degree of displacement；The valve ball is used to be configured to not have so that its centre of sphere is relative to institute with flowering structure realization
State the one-movement-freedom-degree that valve body generates displacement: the lower end of the valve deck is protruded into the valve body, the top of the valve ball be equipped with
The boss of the valve rod coaxial line, the boss protrude into the lower end of the valve deck, the periphery wall of the boss and the valve deck
Between be equipped with upper bearing (metal), the upper surface of the upper bearing (metal) and the valve deck limit cooperation, lower end surface and the boss limit cooperate；
The bottom of the valve body is equipped with the lower shaft with the valve rod coaxial line, and the upper end of the lower shaft is protruded into the valve ball, institute
State between the periphery wall of lower shaft and the valve ball be equipped with lower bearing, the upper surface of the lower bearing and the valve ball limit cooperation,
Lower end surface and lower shaft limit cooperate.
2. the fixed bottom ball valve of flanged joint according to claim 1, it is characterised in that: the periphery wall of the boss
Upper dustband is additionally provided between the valve deck, the upper dustband is located at the lower section of the upper bearing (metal), the periphery of the lower shaft
Lower dustband is additionally provided between wall and the valve ball, the lower dustband is located at the lower section of the lower bearing.
3. the fixed bottom ball valve of flanged joint according to claim 1, it is characterised in that: the lower shaft activity is worn
It is pressed abd fixed on the valve body on the valve body and through pressing plate, is provided with venthole on the lower shaft.
4. the fixed bottom ball valve of flanged joint according to claim 3, it is characterised in that: the venthole is described in
The axis of lower shaft penetrates through the lower shaft, and the outer end of the venthole is threaded with plug.
5. the fixed bottom ball valve of flanged joint according to any one of claim 1 to 4, it is characterised in that: described
Be additionally provided in valve body for the valve ball seal cooperation and be truncated the feed pathway upstream valve seat and for it is described
Valve ball sealing cooperates and is truncated the downstream valve seat of the liquid outlet channel, and the upstream valve seat and downstream valve seat are soft valve seat；
The upstream valve seat is fastened in the first annular groove being opened on the valve interior wall, the left end of the liquid outlet channel
It is provided with bracket mounting groove on conduit wall, is equipped with the cyclic annular valve seat holder that can be horizontally slipped, the downstream in the bracket mounting groove
Valve seat is mounted on the left side of the cyclic annular valve seat holder, the right side of the ring-type valve seat holder and the bracket mounting groove
Butterfly spring is equipped between right side wall.
6. the fixed bottom ball valve of flanged joint according to claim 5, it is characterised in that: the downstream valve seat uses
The left side for being mounted on the cyclic annular valve seat holder is realized with flowering structure: the left side of the ring-type valve seat holder is provided with the second ring
Connected in star, the downstream valve seat are fastened in the second annular groove, and a cyclic annular valve seat pressing ring is bolted on described
The left side of cyclic annular valve seat holder, and the cyclic annular valve seat pressing ring is located at the periphery of the downstream valve seat, the ring-type valve seat pressure
The inner peripheral surface of circle and right side, which are limited with the downstream valve seat, to be cooperated.
7. the fixed bottom ball valve of flanged joint according to claim 5, it is characterised in that: a left side for the upstream valve seat
End face is provided with annular resilient slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822008560.8U CN209130225U (en) | 2018-12-03 | 2018-12-03 | A kind of fixed bottom ball valve of flanged joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822008560.8U CN209130225U (en) | 2018-12-03 | 2018-12-03 | A kind of fixed bottom ball valve of flanged joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209130225U true CN209130225U (en) | 2019-07-19 |
Family
ID=67247646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822008560.8U Active CN209130225U (en) | 2018-12-03 | 2018-12-03 | A kind of fixed bottom ball valve of flanged joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209130225U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115585283A (en) * | 2022-11-02 | 2023-01-10 | 江苏天域阀业制造有限公司 | Cauldron bottom ball valve convenient to dismouting |
-
2018
- 2018-12-03 CN CN201822008560.8U patent/CN209130225U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115585283A (en) * | 2022-11-02 | 2023-01-10 | 江苏天域阀业制造有限公司 | Cauldron bottom ball valve convenient to dismouting |
| CN115585283B (en) * | 2022-11-02 | 2023-07-25 | 江苏天域阀业制造有限公司 | Kettle bottom ball valve convenient to disassemble and assemble |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209130225U (en) | A kind of fixed bottom ball valve of flanged joint | |
| CN202140584U (en) | Two-way sealing floating type tri-eccentric butterfly valve | |
| CN102966744A (en) | Chlorine stop valve | |
| CN112283386A (en) | Ultra-low temperature top-mounted seriation ball valve that floats | |
| CN209444830U (en) | A kind of pipe valve switch | |
| CN202733033U (en) | All-metal hard sealing type floating ball valve | |
| CN210218759U (en) | Ball valve special for coal chemical industry | |
| CN202140670U (en) | Impacting hand wheel for valves | |
| CN211780219U (en) | Valve linkage control system on high-pressure medium conveying line | |
| CN208687003U (en) | A kind of ball valve of replaceable sealing structure | |
| CN201836435U (en) | Top entry type two-way eccentric metal hard sealing ball valve | |
| CN202381319U (en) | Container type mechanical sealing device | |
| CN111219504A (en) | Valve combined system for fluid conveying | |
| CN218761559U (en) | Valve rod blowout prevention ball valve | |
| CN203098960U (en) | Forged anti-collision check valve | |
| CN111237644A (en) | Valve linkage control system on high-pressure medium conveying line | |
| CN209800782U (en) | Top-mounted ball valve | |
| CN220396605U (en) | Quick-clamping diaphragm check valve | |
| US4553574A (en) | Valve tip for filling apparatus | |
| CN214063847U (en) | Ultra-low temperature top-mounted seriation ball valve that floats | |
| CN210687124U (en) | Stop check valve | |
| CN210770288U (en) | Butterfly valve | |
| CN218377732U (en) | High-performance butterfly valve for high-humidity environment | |
| CN212616339U (en) | Two-way sealing stop valve | |
| CN214578926U (en) | High-sealing butterfly valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |