CN209557689U - The brilliant wear-resisting gate valve of Multi-layer sealing resistive connection - Google Patents
The brilliant wear-resisting gate valve of Multi-layer sealing resistive connection Download PDFInfo
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- CN209557689U CN209557689U CN201822114148.4U CN201822114148U CN209557689U CN 209557689 U CN209557689 U CN 209557689U CN 201822114148 U CN201822114148 U CN 201822114148U CN 209557689 U CN209557689 U CN 209557689U
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- valve
- flashboard
- adjusting ring
- metal adjusting
- valve body
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Abstract
The utility model relates to a kind of brilliant wear-resisting gate valves of Multi-layer sealing resistive connection, including valve body, flashboard, valve seat, valve rod, bracket, handwheel；Mainly valve seat uses adjustment type stack valve seat, the adjustment type stack valve seat includes metal adjusting ring, rubber seal, metal adjusting ring has the inner hole equal with valve channel diameter, it is mounted in the valve channel of flashboard two sides, metal adjusting ring is located at flashboard plane side and is formed with and the mutually matched metallic sealing section of gate sealing surface, it is equipped between the side plane and valve body of the radial convex shoulder of metal adjusting ring and adjusts screw, another side plane of the radial convex shoulder of metal adjusting ring and the external cylindrical surface of its radially inner side, flashboard, the annular seal space of rectangular section is constituted between valve body；Rubber seal uses composite construction, is made of the rubber seal ring center of rectangular section embedded with the becket of rectangular section, it is intracavitary to be mounted as a whole on ring packing.Have many advantages, such as good seal performance, long service life.
Description
Technical field
The utility model belongs to valve field more particularly to a kind of flat gate valve with deflector hole.
Background technique
The flashboard of flat gate valve is with no deflector hole and with two kinds of structures of deflector hole, the flat gate valve with deflector hole flashboard,
Its flashboard is formed with the deflector hole of valve channel same diameter and with the mutually matched sealing surface of valve seat, its deflector hole when opening
It is aligned with valve channel, its sealing surface and valve seat, which cooperate, when closing seals.Such as Patent No. CN201020583113.6
Double-valve-seat band deflector hole flat gate valve, includes valve body, valve deck, main valve seat, valve rod and the flashboard with deflector hole, valve body into,
Auxiliary-seat is set at the connecting pin of outlet flow channel and valve chamber, improves the sealing performance of valve.Its major defect is in flashboard
Medium enters valve chamber by deflector hole in opening process, makes full of medium impurity in valve chamber, to gate sealing surface and valve base sealing
Face generates larger abrasion, and sealing performance gradually loses sealing effect with using the time to be gradually reduced, and influences product use
Service life.
Summary of the invention
The utility model is directed to disadvantage of the existing technology, and it is reliable to provide a kind of sealing performance, long product lifecycle
The brilliant wear-resisting gate valve of Multi-layer sealing resistive connection.
The technical solution of the utility model includes valve body, flashboard, valve seat, valve rod, bracket, handwheel, and flashboard uses band water conservancy diversion
Hole plate single disc, the upper end are fixedly connected with valve rod lower end, valve rod upper end by the valve stem nut at rack-mount end with
Handwheel connection；Mainly valve seat uses adjustment type stack valve seat, and the adjustment type stack valve seat includes that metal adjusting ring, rubber are close
Seal, metal adjusting ring have the inner hole equal with valve channel diameter, are mounted in the valve channel of flashboard two sides, metal tune
Pitch circle is located at flashboard plane side and is formed with and the mutually matched metallic sealing section of gate sealing surface, the radial convex shoulder of metal adjusting ring
A side plane and valve body between be equipped with and adjust screw, another side plane of the radial convex shoulder of metal adjusting ring and its radially inner side
External cylindrical surface, flashboard, the annular seal space that rectangular section is constituted between valve body；Rubber seal uses composite construction, by square
The rubber seal ring center of tee section is formed embedded with the becket of rectangular section, and it is intracavitary to be mounted as a whole on ring packing.
Preferably, composition is bolted using left valve barrel and right valve barrel in valve body, and left valve barrel and the opposite of right valve barrel are put down
Face is using fine grinding at mirror surface structure；Flashboard deflector hole is respectively equipped with sealing surface in two sides up and down, upper and lower both sides sealing face with
Stuffing seal is respectively equipped between valve body.
Preferably, deslagging rinse mouth is equipped on the valve body on the downside of valve seat.
Preferably, stuffing seal includes filler and scrapes slag pad, scrapes the bottom that slag pad is mounted on filler installation cavity.
The utility model has the advantages that striking off the impurity of gate panel surface in opening-closing process using adjustment type stack valve seat, drop
Low flashboard abrasion, improves product hermeticity energy, extends product service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
The brilliant wear-resisting gate valve of Multi-layer sealing resistive connection as shown in Figure 1, including valve body 5, flashboard 1, valve seat, valve rod 11, branch
Frame 12, handwheel 15, flashboard 1 are fixedly connected using band water conservancy diversion hole plate single disc, the upper end with 11 lower end of valve rod, 11 upper end of valve rod
Valve stem nut 13 by being mounted on 12 upper end of bracket is connect with handwheel 15, and valve stem nut 13 is mounted on bracket 12 by bearing 14
On, handwheel 15 is fixedly mounted on 13 periphery of valve stem nut by fastening nut 16；Mainly valve seat uses adjustment type stack valve seat,
The adjustment type stack valve seat includes metal adjusting ring 8, rubber seal 7, and metal adjusting ring 8 has and 5 channel diameter of valve body
Equal inner hole, metal adjusting ring 8 are mounted in 5 channel of valve body of 1 two sides of flashboard, and metal adjusting ring 8 is located at 1 plane one of flashboard
Side be formed with the mutually matched metallic sealing section of 1 sealing surface of flashboard, constitute hard sealing pair between the two, prevent 1 surface slag of flashboard
Matter enters rubber seal 7, improves sealing performance, the radial convex shoulder of metal adjusting ring 8 is far from 1 one side plane of flashboard and valve body 5
Between be equipped with adjust screw, adjust screw have several be along the circumferential direction uniformly arranged, the radial convex shoulder rest of metal adjusting ring 8
Cylindrical surface that nearly 1 one side plane of flashboard is connected with its radially inner side, flashboard 1, constitute rectangular section between valve body 5 annular it is close
Seal chamber；Rubber seal 7 uses composite construction, and the becket group of rectangular section is embedded with by the rubber seal ring center of rectangular section
At it is intracavitary to be mounted as a whole on ring packing, constitutes elastic soft sealing pair with flashboard 1.
Composition, the opposite plane use of left valve barrel and right valve barrel is bolted using left valve barrel and right valve barrel in valve body 5
Fine grinding improves the matching property of valve body 5 and flashboard 1 at mirror surface structure；1 deflector hole of flashboard is respectively equipped with sealing in two sides up and down
Face is respectively equipped with stuffing seal between upper and lower both sides sealing face and valve body 5.
Deslagging rinse mouth 6 is equipped on valve body 5 on the downside of valve seat.
Stuffing seal includes filler 3 and scrapes slag pad 4, scrapes the bottom that slag pad 4 is mounted on 3 installation cavity of filler, strikes off lock
1 surface impurity of plate, improves the sealing performance of filler 3, and filler 3 is fixedly mounted by gland 2 by 9 nut 10 of bolt.
Claims (4)
1. a kind of brilliant wear-resisting gate valve of Multi-layer sealing resistive connection, including valve body (5), flashboard (1), valve seat, valve rod (11), bracket
(12), handwheel (15), flashboard (1) are fixedly connected using band water conservancy diversion hole plate single disc, the upper end with valve rod (11) lower end, valve rod
(11) upper end is connect by being mounted on the valve stem nut (13) of bracket (12) upper end with handwheel (15)；It is characterized in that valve seat is using tune
Nodal pattern stack valve seat, the adjustment type stack valve seat include metal adjusting ring (8), rubber seal (7), metal adjusting ring (8)
With the inner hole equal with valve body (5) channel diameter, metal adjusting ring (8) is mounted on valve body (5) channel of flashboard (1) two sides
Interior, metal adjusting ring (8) is formed with and the mutually matched metallic sealing section of flashboard (1) sealing surface, the radial convex of metal adjusting ring (8)
It is equipped between plane and valve body (5) of the shoulder far from flashboard (1) side and adjusts screw, the radial convex shoulder rest of metal adjusting ring (8) is close
Cylindrical surface that the plane of flashboard (1) side is connected with its radially inner side, flashboard (1) constitute rectangular section between valve body (5)
Annular seal space；Rubber seal (7) uses composite construction, by the rubber seal ring center of rectangular section embedded with rectangular section
Becket composition, it is intracavitary to be mounted as a whole on ring packing.
2. the brilliant wear-resisting gate valve of Multi-layer sealing resistive connection according to claim 1, it is characterized in that valve body (5) uses left valve barrel
Composition is bolted with right valve barrel, and the opposite plane of left valve barrel and right valve barrel is using fine grinding at mirror surface structure；Flashboard
(1) deflector hole is respectively equipped with sealing surface in two sides up and down, is respectively equipped with packing seal between upper and lower both sides sealing face and valve body (5)
Device.
3. the brilliant wear-resisting gate valve of Multi-layer sealing resistive connection according to claim 1 or 2, it is characterized in that the valve on the downside of valve seat
Body (5) is equipped with deslagging rinse mouth (6).
4. the brilliant wear-resisting gate valve of Multi-layer sealing resistive connection according to claim 1 or 2, it is characterized in that in stuffing seal
Installation cavity bottom setting scrape slag pad (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822114148.4U CN209557689U (en) | 2018-12-17 | 2018-12-17 | The brilliant wear-resisting gate valve of Multi-layer sealing resistive connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822114148.4U CN209557689U (en) | 2018-12-17 | 2018-12-17 | The brilliant wear-resisting gate valve of Multi-layer sealing resistive connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209557689U true CN209557689U (en) | 2019-10-29 |
Family
ID=68302341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822114148.4U Active CN209557689U (en) | 2018-12-17 | 2018-12-17 | The brilliant wear-resisting gate valve of Multi-layer sealing resistive connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209557689U (en) |
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2018
- 2018-12-17 CN CN201822114148.4U patent/CN209557689U/en active Active
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