CN207261704U - A kind of bracing type forced seal ball valve - Google Patents
A kind of bracing type forced seal ball valve Download PDFInfo
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- CN207261704U CN207261704U CN201721067406.7U CN201721067406U CN207261704U CN 207261704 U CN207261704 U CN 207261704U CN 201721067406 U CN201721067406 U CN 201721067406U CN 207261704 U CN207261704 U CN 207261704U
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- valve
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- adjustable plate
- guide
- centrum
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Abstract
It the utility model is related to a kind of bracing type forced seal ball valve, including valve deck, valve body, bottom cover, guide rod, flap, centrum, valve seat and valve rod, flap has two, two flaps are respectively arranged on the both sides of centrum, flap is slidably connected with centrum by dovetail groove, spacing ring is equipped between flap and valve deck, adjustment ring is provided between flap and bottom cover；Adjustment ring includes the first adjustable plate and the second adjustable plate being coaxially disposed, and the first adjustable plate is located above the second adjustable plate, and the first adjustable plate is equipped with the adjusting screw for being used for strutting the first adjustable plate and the second adjustable plate；The lower vertical of centrum is provided with pilot hole, and guide rod is vertically installed on bottom cover, and the upper end of guide rod is put in pilot hole.The utility model makes valve seat and flap reach sealing by mechanical force, the sealing structure from medium power influence；Guide rod and "conesep", bottom cover are separated with valve body, and the pretightning force to flap is can adjust by adjusting ring, make the sealing performance of valve relatively reliable.
Description
Technical field
It the utility model is related to valve technology field, more particularly to a kind of bracing type forced seal ball valve.
Background technology
The characteristics of movement locus of bracing type metal sealing valve existing gate valve, has the characteristics that ball valve again, so its performance
Not only there is gate valve but also there is ball valve there is very strong practicality.But existing bracing type metal sealing valve its
Guide rod and centrum are overall structure, and pilot hole is arranged on body base, and rubbish or dirt are easily accumulated in the pilot hole, and
It is not easy to clear up, causes valve to be resetted completely when closing, influence valve seal performance, valve service life is short.
Utility model content
The utility model aims to provide a kind of bracing type forced seal ball valve, guide rod and "conesep", and designs separation
Bottom cover, ensure the sealing performance of valve.
To reach above-mentioned purpose, the technical solution adopted in the utility model is as follows：
A kind of bracing type forced seal ball valve, including valve deck, valve body, bottom cover, guide rod, flap, centrum, valve seat and valve
Bar, the valve deck are arranged on body top and affixed with valve body, and the bottom cover is arranged on body base and affixed with valve body, and flap has two
A, two flaps are respectively arranged on the both sides of centrum, and flap is slidably connected with centrum by dovetail groove, between the flap and valve deck
Equipped with spacing ring, adjustment ring is provided between flap and bottom cover and is moved up and down to limit flap；The adjustment ring includes coaxial
The first adjustable plate and the second adjustable plate set, first adjustable plate are located above the second adjustable plate, first adjustable plate
It is equipped with the adjusting screw for being used for strutting the first adjustable plate and the second adjustable plate；
There is through flow hole on the centrum, the lower vertical of the centrum is provided with pilot hole, and pilot hole is connected with through flow hole,
The guide rod is vertically installed on bottom cover, and the upper end of guide rod is put in pilot hole, and the valve rod lower end passes through valve deck and valve
Internal centrum connection, the upstream and downstream of the valve body are mounted on valve seat, and the sealing surface of the valve seat is sphere.
Further, guide rail sleeve is cased with the valve rod, the guide rail sleeve is equipped with twice guide-track groove, pacifies on the valve rod
Equipped with the guide pins being adapted to guide-track groove, the guide pins are horizontally disposed with, and the both ends of guide pins are put in a guide-track groove respectively.
Further, the both ends of the guide pins are equipped with rolling bearing and are coordinated with being rolled with guide-track groove.
Wherein, the guide rail sleeve is externally provided with stent.
Wherein, the guide rod is connected by screw with bottom cover.
Compared with prior art, the utility model has the advantages that：
The utility model makes valve seat and flap reach sealing by mechanical force, the sealing structure from medium power shadow
Ring；Guide rod and "conesep", bottom cover separate the sealing performance for improving valve with valve body；The design of adjustment ring, is conveniently adjusted pair
The pretightning force of flap, makes the sealing performance of valve relatively reliable.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the structure diagram of guide rail sleeve；
Fig. 3 is the structure diagram of adjustment ring；
In figure：1- driving devices, 2- valve decks, 3- valve bodies, 4- bottom covers, 5- guide rods, 6- flaps, 7- cones, 8- valve seats, 9-
Valve rod, 10- stents, 11- spacing rings, 12- adjustment rings, the first adjustable plates of 13-, the second adjustable plates of 14-, 15- adjusting screws, 16-
Pilot hole, 17- through flow holes, 18- guide rail sleeves, 19- guide-track grooves, 20- guide pins, 21- rolling bearings, 22- bolts, 23- dovetail grooves.
Embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing, to this reality
It is further elaborated with new.
As shown in Figure 1, a kind of bracing type forced seal ball valve disclosed in the utility model, including valve deck 2, valve body 3, bottom cover
4th, guide rod 5, flap 6, centrum 7, valve seat 8 and valve rod 9, valve deck 2 is at the top of valve body 3 and affixed with valve body 3, and bottom cover 4 is arranged on
3 bottom of valve body is simultaneously affixed with valve body 3.7 both sides Jun You inclined-planes of cone, flap 6 are with bevelled sphere flap the two of cone 7
Side carries inclined-plane, and flap 6 is the sphere flap with inclined-plane, and the inclined-plane of flap 6 is equipped with dovetail groove 23, and flap 6 has two, and two
A flap 6 is slidably connected by an inclined-plane of the dovetail groove 23 respectively with cone 7.Spacing ring is equipped between flap 6 and valve deck 2
11, adjustment ring 12 is provided between flap 6 and bottom cover 4, the spacing ring 11 and adjustment ring 12 of 6 upper and lower of flap prevent it from cone
Body rises or falls, and can only be translated in a horizontal space with cone or rotary motion.
As shown in figure 3, adjustment ring 12 includes the first adjustable plate 13 and the second adjustable plate 14 being coaxially disposed, the first adjustable plate
13 positioned at the top of the second adjustable plate 14, and the first adjustable plate 13, which is equipped with, is used to strutting the first adjustable plate 13 and the second adjustable plate 14
Adjusting screw 15.The number of adjusting screw 15 is rationally set as needed, in general at least 3, more adjusting screws 15
Set at equal intervals around the center of the first adjustable plate 13.The first adjustable plate 13 and the second adjustable plate 14 are adjusted using adjusting screw 15
The distance between, and then the axial dimension of adjustment ring 12 is adjusted, reach the adjusting to flap pretightning force.
There is through flow hole 17 on centrum 7, the lower vertical of centrum 7 is provided with pilot hole 16, and pilot hole 16 connects with through flow hole 17
Logical, guide rod 5 is vertically installed on bottom cover 4 by screw, and the upper end of guide rod 5 is put in pilot hole 16, and 9 lower end of valve rod passes through
Valve deck 2 is connected with the centrum 7 in valve body 3, and 9 upper end of valve rod is connected with driving device 1.The outer surface of flap 6 is sphere, valve body 3
Upstream and downstream be mounted on valve seat 8, the sealing surface of valve seat 8 is sphere.Valve seat 8 and flap 6 are contacted by spherical metal face to be sealed.
As shown in Figure 1, 2, guide rail sleeve 18 is cased with valve rod 9, guide rail sleeve 18 is connected with valve deck 2 by bolt 22, guide rail sleeve
18 are externally provided with stent 10, and guide rail sleeve 18 is equipped with twice guide-track groove 19, the guide pins being adapted to guide-track groove 19 are provided with valve rod 9
20, guide pins 20 are horizontally disposed, and the both ends of guide pins 20 are put in a guide-track groove 19 respectively, and the both ends of guide pins 20 are equipped with
Rolling bearing 21 is coordinated with being rolled with guide-track groove 19.
The lower end of valve rod 9 is linked into an integrated entity by screw thread and axis pin with cone 7,9 upper end trapezoidal thread of valve rod and valve rod spiral shell
Mother coordinates, and the rotation of valve stem nut is driven by handwheel, bevel gear, electric and pneumatic device.Guide pins 10 are arranged on the middle part of valve rod 9,
The both ends of guide pins 10 respectively fill a rolling bearing 21, and rolling bearing 21 can roll in the guide-track groove 19 of guide rail sleeve 18, valve rod 9
Movement locus limited by guide-track groove 19.
When valve needs to close, driving device drives valve stem nut rotation, and valve stem nut band ovable valve stem and cone rotate
90 ° are arrived valve-closed position, and then cone moves down, and both sides valve flap translational is strutted, is close to sealing surface of seat, realizes valve
Close.When valve needs to open, driving device is risen by valve stem nut and valve rod band movable cone, flap is received to centre
Hold together, depart from sealing surface of seat, then cone drives ball clack to be rotated by 90 ° and opens valve.
During valve opening and closing, since the up and down motion of cone drives strutting or collapsing for sphere flap, so that and valve seal
Face produces sealing or separation, and valve rod lift stroke is shorter, and the keying speed of valve is than gate valve faster；Mistake of the valve in action at the same time
Friction is not produced in journey, solves the problems, such as the sealing face damage caused by friction；Using the Bidirectional seal structure of double-valve-seat, no matter
It is that medium from ducts upstream or from downstream can ensure to seal, valve chamber can be carried out when valve is fully closed
Discharge and flushing, meet DBB functions.The design of valve seat can disclosure satisfy that the requirement of various working.It is hard by different surfaces
Change treatment process, valve seat is can adapt to various corrosion and worst hot case, the use scope of poppet.
The utility model guide rod and "conesep", extend the service life of valve；The design of adjustment ring, is conveniently adjusted
To the pretightning force of flap, make the sealing performance of valve relatively reliable.
Certainly, the utility model can also have other numerous embodiments, without departing substantially from the utility model spirit and its essence
In the case of, those skilled in the art can make various corresponding changes and deformation, but these according to the utility model
It is corresponding to change and deform the scope of the claims that all belong to appended by the utility model.
Claims (5)
- A kind of 1. bracing type forced seal ball valve, it is characterised in that:Including valve deck (2), valve body (3), bottom cover (4), guide rod (5), flap (6), centrum (7), valve seat (8) and valve rod (9), the valve deck (2) are at the top of valve body (3) and solid with valve body (3) Connect, the bottom cover (4) is arranged on valve body (3) bottom and affixed with valve body (3), and flap (6) there are two, and two flaps (6) set respectively In the both sides of centrum (7), flap (6) is slidably connected with centrum (7) by dovetail groove (23), the flap (6) and valve deck (2) it Between be equipped with spacing ring (11), adjustment ring (12) is provided between flap (6) and bottom cover (4)；The adjustment ring (12) includes coaxial The first adjustable plate (13) and the second adjustable plate (14) set, first adjustable plate (13) are located on the second adjustable plate (14) Side, first adjustable plate (13) are equipped with the adjusting screw for being used for strutting the first adjustable plate (13) and the second adjustable plate (14) (15)；There is through flow hole (17) on the centrum (7), the lower vertical of the centrum (7) is provided with pilot hole (16), pilot hole (16) connected with through flow hole (17), the guide rod (5) is vertically installed on bottom cover (4), and the upper end of guide rod (5) puts in guiding In hole (16), valve rod (9) lower end is connected through valve deck (2) with the centrum (7) in valve body (3), the appearance of the flap (6) Face is sphere, and the upstream and downstream of the valve body (3) is mounted on valve seat (8), and the sealing surface of the valve seat (8) is sphere.
- 2. bracing type forced seal ball valve according to claim 1, it is characterised in that：Guide rail is cased with the valve rod (9) Cover (18), the guide rail sleeve (18) is equipped with twice guide-track groove (19), is provided with the valve rod (9) and is adapted to guide-track groove (19) Guide pins (20), the guide pins (20) are horizontally disposed, and the both ends of guide pins (20) are put in a guide-track groove (19) respectively.
- 3. bracing type forced seal ball valve according to claim 2, it is characterised in that：The both ends of the guide pins (20) are equal Coordinated equipped with rolling bearing (21) with being rolled with guide-track groove (19).
- 4. bracing type forced seal ball valve according to claim 2, it is characterised in that：The guide rail sleeve (18) is externally provided with branch Frame (10).
- 5. bracing type forced seal ball valve according to claim 1, it is characterised in that：The guide rod (5) and bottom cover (4) It is connected by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721067406.7U CN207261704U (en) | 2017-08-24 | 2017-08-24 | A kind of bracing type forced seal ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721067406.7U CN207261704U (en) | 2017-08-24 | 2017-08-24 | A kind of bracing type forced seal ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207261704U true CN207261704U (en) | 2018-04-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721067406.7U Active CN207261704U (en) | 2017-08-24 | 2017-08-24 | A kind of bracing type forced seal ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207261704U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998093A (en) * | 2020-08-08 | 2020-11-27 | 浙江利沃夫自控阀门科技有限公司 | Rotary electric regulating valve |
| WO2021052018A1 (en) * | 2019-09-20 | 2021-03-25 | 淄博沃泰斯石化设备有限公司 | Dbb forced seal valve and operation device |
| CN113309871A (en) * | 2021-06-07 | 2021-08-27 | 自贡自高阀门有限公司 | Valve rod guide structure of forced sealing ball valve |
| CN114367551A (en) * | 2020-10-15 | 2022-04-19 | 北京京诚瑞信长材工程技术有限公司 | Water distribution valve group and multi-channel water cooling device for long-material high-quality special steel production line |
-
2017
- 2017-08-24 CN CN201721067406.7U patent/CN207261704U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021052018A1 (en) * | 2019-09-20 | 2021-03-25 | 淄博沃泰斯石化设备有限公司 | Dbb forced seal valve and operation device |
| CN111998093A (en) * | 2020-08-08 | 2020-11-27 | 浙江利沃夫自控阀门科技有限公司 | Rotary electric regulating valve |
| CN114367551A (en) * | 2020-10-15 | 2022-04-19 | 北京京诚瑞信长材工程技术有限公司 | Water distribution valve group and multi-channel water cooling device for long-material high-quality special steel production line |
| CN114367551B (en) * | 2020-10-15 | 2024-03-26 | 北京京诚瑞信长材工程技术有限公司 | Water diversion valve group and multichannel water cooling device for long-material excellent special steel production line |
| CN113309871A (en) * | 2021-06-07 | 2021-08-27 | 自贡自高阀门有限公司 | Valve rod guide structure of forced sealing ball valve |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 67, Section 1, Xueshan Avenue, Dayi County, Chengdu City, Sichuan Province, 611330 Patentee after: Chengdu Chenggao Valve Co.,Ltd. Patentee after: CHENGDU CHENGFENG VALVE Co.,Ltd. Address before: 610000 Industrial Road, Jinyuan Town, Dayi County, Chengdu, Sichuan Patentee before: CHENGDU CHENG GAO VALVE Co.,Ltd. Patentee before: CHENGDU CHENGFENG VALVE Co.,Ltd. |