CN205978540U - Two round pin double -gate plate structures - Google Patents
Two round pin double -gate plate structures Download PDFInfo
- Publication number
- CN205978540U CN205978540U CN201620927525.4U CN201620927525U CN205978540U CN 205978540 U CN205978540 U CN 205978540U CN 201620927525 U CN201620927525 U CN 201620927525U CN 205978540 U CN205978540 U CN 205978540U
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- China
- Prior art keywords
- wedge shape
- valve
- flashboard
- double
- shape flashboard
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Abstract
The utility model discloses a two round pin double -gate plate structures, including valve body, wedge disk seat, valve rod and valve gap, be provided with the valve rod in the valve body, the cover is equipped with the valve gap on the valve rod, and gland is installed through the bolt in the upper portion of valve gap, and it packs to be equipped with between gland and the valve gap presses the cover, be equipped with sealing washer and pendant collet between valve body and the valve gap, the bottom of valve body is equipped with the blowdown stopper through the screw thread, and the inboard welding -on that corresponds two passwaies on the valve body has two wedge disk seats, two wedge valve seat seal face cooperates with left wedge flashboard and the sealed face of right wedge flashboard respectively, this two round pin double -gate plate structures, the safe and reliable who has greatly expanded wedge gate valve's use field, especially high temperature high pressure operating mode uses, this two round pin double -gate plate structures has simplified the double -gate plate structure, spare part is small in quantity, and processing is convenient, low in production cost.
Description
Technical field
This utility model is related to pipe control equipment technical field, specifically a kind of double-pin double disc structure.
Background technology
Gate valve is the conventional a kind of common pipe control equipment of industry, traditional cast steel gate valve design be flexible disc or
It is designed to the double disc structure with retainer, double-valve-seat two way seal.But some High Temperature High Pressure industrial piping systems are routinely
, it is impossible to meet use requirement, service life is short, poor sealing performance is it is impossible to meet working condition requirement for gate valve structure type selecting.Flexible disc
Although having certain elastic packing compensation function, two sealing surface machining accuracies are high, and manufacturing cost is high, and in condition of high temperature lock
The elasticity number of plate is also uncontrollable.Double-flashboard gate valve, because of every flashboard only one of which sealing surface, sealing surface strong adaptability, is manufactured into
This is relatively low, but because the parts with retainer for the flashboard are many, complex structure, at high temperature because of retainer intensity decreases, add
The impact in its gap, may result in both sides ram seal face and is unable to synchronous sealed, and be not suitable for viscous medium.
Utility model content
The purpose of this utility model is to provide a kind of double-pin double disc structure, to solve proposition in above-mentioned background technology
Problem.
For achieving the above object, this utility model provides following technical scheme：
A kind of double-pin double disc structure, including valve body, wedge shape valve seat, valve rod and valve gap, is provided with valve rod in described valve body,
Valve gap is arranged with valve rod, the top of valve gap is provided with gland by bolt, is provided with filler between gland and valve gap
Gland；It is provided with sealing ring and pendant collet, the bottom of valve body is provided with drain plug by screw thread, on valve body between described valve body and valve gap
The inner side welding-on of corresponding two passwaies has two wedge shape valve seats；Two described wedge shape sealing surface of seats respectively with left wedge shape flashboard
Coordinate with right wedge shape flashboard sealing surface, the upper T type groove of described left wedge shape flashboard and right wedge shape flashboard is connected with valve rod.
As further program of the utility model：Pass through cardo ring fixed between described left wedge shape flashboard and right wedge shape flashboard
The heart.
As further program of the utility model：It is provided with adjusting pad between described left wedge shape flashboard and right wedge shape flashboard.
As further program of the utility model：Pass through two dumbbells between described left wedge shape flashboard and right wedge shape flashboard
Pin is fixed.
As further program of the utility model：Fixed by top between described left wedge shape flashboard and right wedge shape flashboard
Block limits the deflection of left wedge shape flashboard and right wedge shape flashboard.
As further program of the utility model：Described fixed block is spacing by the T connector portion of valve rod, prevents fixed block from taking off
Fall.
Compared with prior art, this double-pin double disc structure, greatly extends the use field of Wedge Gate Valves, particularly
The safe and reliable use of high temperature and high pressure condition；
This double-pin double disc structure, it is few to simplify double disc structure, amount of parts, easy to process, low production cost.
Brief description
Fig. 1 is overall structure diagram of the present utility model.
In figure：1- valve body；2- wedge shape valve seat；3- valve rod；4- valve gap；5- gland；6- filler pressing sleeve；7- sealing ring；
8- pendant collet；9- drain plug；10- left wedge shape flashboard；11- right wedge shape flashboard；12- fixed block；13- cardo ring；14- adjusting pad；
15- dumbbell pin.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Refer to Fig. 1, in this utility model embodiment, a kind of double-pin double disc structure, including valve body 1, wedge shape valve seat 2,
Valve rod 3 and valve gap 4, are provided with valve rod 3 in valve body 1, valve rod 3 is arranged with valve gap 4, and the top of valve gap 4 is provided with by bolt
Gland 5, is provided with filler pressing sleeve 6 between gland 5 and valve gap 4；It is provided with sealing ring 7 and four between valve body 1 and valve gap 4 to open
Ring 8, the bottom of valve body 1 is provided with drain plug 9 by screw thread, corresponds to two wedge shapes after the long-time use of this gate valve in valve body 1
Some spots can be saved bit by bit between valve seat 2, if cleaning can affect the logical of this gate valve and closes not in time, corresponding two passages on valve body 1
The inner side welding-on of mouth has two wedge shape valve seats 2；Left wedge shape flashboard 10 and right wedge shape flashboard are respectively equipped with two wedge shape valve seats 2
11, felt relieved by cardo ring 13 between left wedge shape flashboard 10 and right wedge shape flashboard 11, left wedge shape flashboard 10 and right wedge shape flashboard 11
Between be provided with adjusting pad 14, adjusting pad 14 is used for adjusting thickness between left wedge shape flashboard 10 and right wedge shape flashboard 11, to mate
Wedge shape valve seat 2 strengthens the sealing between two passwaies, mute by two between left wedge shape flashboard 10 and right wedge shape flashboard 11
Bell pin 15 is fixing, dumbbell pin 15 left wedge shape flashboard 10 and right wedge shape flashboard 11 are connected make it interfix not to occur relative
Slide, the top of left wedge shape flashboard 10 and right wedge shape flashboard 11 all limits left wedge shape flashboard 10 and right groove brake by fixed block 12
The deflection of plate 11, by being arranged on the T-slot of left wedge shape flashboard 10 and right wedge shape flashboard 11 top and the T connector of valve rod 3 head
Connecting, driving the synchronization of left wedge shape flashboard 10 and right wedge shape flashboard 11 to move up and down by moving up and down of valve rod 3, thus realizing
The break-make of this gate valve.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, this practicality can be realized in other specific forms new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, this practicality is new
The scope of type is limited by claims rather than described above, it is intended that the containing of equivalency that will fall in claim
All changes in justice and scope are included in this utility model.Any reference in claim should not be considered as limiting
Involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment only wraps
Containing an independent technical scheme, only for clarity, those skilled in the art should for this narrating mode of description
Using description as an entirety, the technical scheme in each embodiment can also form those skilled in the art through appropriately combined
Understandable other embodiment.
Claims (7)
1. a kind of double-pin double disc structure, including valve body (1), wedge shape valve seat (2), valve rod (3) and valve gap (4) it is characterised in that：
It is provided with valve rod (3) in described valve body (1), valve rod (3) is arranged with valve gap (4), the top of valve gap (4) is provided with by bolt
Gland (5), is provided with filler pressing sleeve (6) between gland (5) and valve gap (4)；Between described valve body (1) and valve gap (4)
It is provided with sealing ring (7) and pendant collet (8), the bottom of valve body (1) is provided with drain plug (9) by screw thread, upper corresponding two of valve body (1)
The inner side welding-on of passway has two wedge shape valve seats (2)；The sealing surface of two described wedge shape valve seats (2) respectively with left wedge shape flashboard
(10) coordinate with right wedge shape flashboard (11) sealing surface, the top of described left wedge shape flashboard (10) and right wedge shape flashboard (11) is all passed through
Fixed block (12) is fixing, and by being arranged on T-slot and the valve rod (3) of left wedge shape flashboard (10) and right wedge shape flashboard (11) top
The T connector of head connects.
2. a kind of double-pin double disc structure according to claim 1 it is characterised in that：Described left wedge shape flashboard (10) and the right side
Pass through cardo ring (13) between wedge shape flashboard (11) to feel relieved.
3. a kind of double-pin double disc structure according to claim 1 it is characterised in that：Described left wedge shape flashboard (10) and the right side
It is provided with adjusting pad (14) between wedge shape flashboard (11).
4. a kind of double-pin double disc structure according to claim 1 it is characterised in that：Described left wedge shape flashboard (10) and the right side
Pass through two dumbbell pins (15) fixing between wedge shape flashboard (11).
5. a kind of double-pin double disc structure according to claim 1 it is characterised in that：Described left wedge shape flashboard (10) and the right side
Limit the deflection of left wedge shape flashboard (10) and right wedge shape flashboard (11) by top fixed block (12) between wedge shape flashboard (11).
6. a kind of double-pin double disc structure according to claim 1 it is characterised in that：Described left wedge shape flashboard (10) and the right side
The T-slot on wedge shape flashboard (11) top is connected with the T connector of valve rod (3) head.
7. a kind of double-pin double disc structure according to claim 1 it is characterised in that：Described fixed block (12) is by valve rod
(3) T connector portion is spacing, prevents fixed block (12) from coming off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620927525.4U CN205978540U (en) | 2016-08-22 | 2016-08-22 | Two round pin double -gate plate structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620927525.4U CN205978540U (en) | 2016-08-22 | 2016-08-22 | Two round pin double -gate plate structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205978540U true CN205978540U (en) | 2017-02-22 |
Family
ID=58033250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620927525.4U Active CN205978540U (en) | 2016-08-22 | 2016-08-22 | Two round pin double -gate plate structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205978540U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120672A (en) * | 2020-01-21 | 2020-05-08 | 石家庄耐斯特机械阀业有限公司 | Special valve for under-pressure hole opening |
-
2016
- 2016-08-22 CN CN201620927525.4U patent/CN205978540U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120672A (en) * | 2020-01-21 | 2020-05-08 | 石家庄耐斯特机械阀业有限公司 | Special valve for under-pressure hole opening |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |