CN208442295U - A kind of flat gate valve to reduce friction loss - Google Patents
A kind of flat gate valve to reduce friction loss Download PDFInfo
- Publication number
- CN208442295U CN208442295U CN201820960176.5U CN201820960176U CN208442295U CN 208442295 U CN208442295 U CN 208442295U CN 201820960176 U CN201820960176 U CN 201820960176U CN 208442295 U CN208442295 U CN 208442295U
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- Prior art keywords
- valve
- connecting rod
- valve plate
- sliding shoe
- reduce friction
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses the flat gate valves that one kind can reduce friction loss, including valve body, valve plate is provided in the middle part of the valve body, the valve plate includes the first valve plate and the second valve plate, fluting is provided in the middle part of the valve plate, sliding shoe is provided in the fluting, it is set as being slidably connected between the sliding shoe and fluting, compressed spring is connected between the sliding shoe and valve plate, the sliding shoe two sides are provided with first connecting rod, the first connecting rod other end is provided with second connecting rod, and the valve plate two sides are provided with valve seat, and the body top is provided with valve rod.The utility model is by being equipped with sliding shoe, first connecting rod and second connecting rod, when valve plate is lifted up opening, sliding shoe restores under the action of compressed spring, first connecting rod and second connecting rod is driven to restore, make to generate gap between sealing ring and valve seat, so it is more laborsaving when upwardly opening, to reduce friction, improve sealing ring service life.
Description
Technical field
The utility model relates to a kind of gate valve, in particular to a kind of flat gate valve that can be reduced friction loss.
Background technique
Gate valve is mainly made of valve body, valve deck, handwheel, valve rod, flashboard, valve seat, by the lifting of flashboard come control gate valve
Opening and closing.Existing valve is during opening and closing, increased friction between flashboard and valve seat, can wear sealing surface, long
It is poor that long use will lead to mechanism leakproofness.
Therefore, a kind of flat gate valve that can be reduced friction loss is invented, it is necessary to solve the above problems.
Utility model content
The purpose of this utility model is to provide the flat gate valve that can reduce friction loss of one kind, by be equipped with sliding shoe and
Compressed spring, sliding shoe restore under the action of compressed spring, make to generate gap between sealing ring and valve seat, to reduce
Friction improves sealing ring service life, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions: the Flat Sluice that one kind can reduce friction loss
Valve, including valve body, the valve body middle part are provided with valve plate, and the valve plate includes the first valve plate and the second valve plate, the valve plate
Middle part is provided with fluting, and sliding shoe is provided in the fluting, is set as being slidably connected between the sliding shoe and fluting, described
Compressed spring is connected between sliding shoe and valve plate, the sliding shoe two sides are provided with first connecting rod, and the first connecting rod is another
One end is provided with second connecting rod, and the valve plate two sides are provided with valve seat, and the body top is provided with valve rod, the valve rod top
Portion is provided with vavle shelf, and the valve plate surface is provided with sealing ring.
Preferably, the first connecting rod both ends are provided with fixture block, and the sliding shoe and second connecting rod surface are provided with
Sliding slot, the fixture block are arranged inside sliding slot, are set as being slidably connected between the fixture block and sliding slot.
Preferably, the fluting is internally provided with fixed block, is provided with opening in the middle part of the fixed block.
Preferably, the sliding shoe, first connecting rod and second connecting rod junction are to be obliquely installed, the first connecting rod and
Sliding rail is provided on the outside of second connecting rod.
Preferably, the valve rod and valve plate junction are provided with bearing, and the valve rod and vavle shelf junction are provided with screw thread,
It is set as being threadedly coupled between the valve rod and vavle shelf.
Preferably, the valve plate bottom is provided with limited block.
The technical effect and advantage of the utility model:
1, by being equipped with sliding shoe, first connecting rod and second connecting rod, when valve plate is in close state, environmental liquids can be pushed away
Dynamic sliding shoe sliding, makes sliding shoe that first connecting rod be pushed to move upwards, and so that first connecting rod is pushed second connecting rod sliding, makes the second company
Bar is outwardly against sealing ring, thus make sealing ring fitting with valve seat tightly under the promotion of second connecting rod, sealing liquid
Flowing, structure is simple, improves its sealing performance, and when valve plate is lifted up opening, sliding shoe is under the action of compressed spring
To restore, drives first connecting rod and second connecting rod to restore, make to generate gap between sealing ring and valve seat, so when upwardly opening
It is more laborsaving, to reduce friction, improve sealing ring service life；
2, by being equipped with fixed block and opening, when valve plate is closed, liquid can be flowed into fluting from opening, due to opening
Flow area it is small, so that the flow velocity of liquid can be improved, make hydraulic shock sliding shoe, consequently facilitating pushing sliding shoe mobile.
Detailed description of the invention
Fig. 1 is the overall structure schematic elevation view of the utility model.
Fig. 2 is the utility model valve plate overall structure schematic elevation view.
Fig. 3 is the utility model fixture block and sliding groove structure schematic cross-sectional view.
In figure: 1 valve body, 2 valve plates, 201 first valve plates, 202 second valve plates, 3 flutings, 4 sliding shoes, 5 compressed springs, 6
One connecting rod, 7 second connecting rods, 8 valve seats, 9 valve rods, 10 vavle shelves, 11 sealing rings, 12 fixture blocks, 13 sliding slots, 14 fixed blocks, 15 openings, 16
Sliding rail, 17 bearings, 18 screw threads, 19 limited blocks.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of as shown in Figs. 1-3, flat gate valve to reduce friction loss, including valve body 1,
It is provided with valve plate 2 in the middle part of the valve body 1, so as to the flowing of sealing liquid, the valve plate 2 includes 201 He of the first valve plate
Second valve plate 202 is provided with fluting 3 in the middle part of the valve plate 2, is provided with sliding shoe 4 in the fluting 3, the sliding shoe 4 with open
It is set as being slidably connected between slot 3, is connected with compressed spring 5 between the sliding shoe 4 and valve plate 2, to be provided for sliding shoe 4
Elastic force, 4 two sides of sliding shoe are provided with first connecting rod 6, and 6 other end of first connecting rod is provided with second connecting rod 7, described
2 two sides of valve plate are provided with valve seat 8, and valve rod 9 is provided at the top of the valve body 1, vavle shelf 10, institute are provided at the top of the valve rod 9
It states 2 surface of valve plate and is provided with sealing ring 11.
Further, in the above-mentioned technical solutions, 6 both ends of first connecting rod are provided with fixture block 12, the sliding shoe 4
Be provided with sliding slot 13 with 7 surface of second connecting rod, the fixture block 12 is arranged inside sliding slot 13, the fixture block 12 and sliding slot 13 it
Between be set as being slidably connected, when valve plate 2 is in close state, environmental liquids will push sliding shoe 4 sliding；
Further, in the above-mentioned technical solutions, the fluting 3 is internally provided with fixed block 14, in the fixed block 14
Portion is provided with opening 15, since the flow area of opening 15 is small, so that the flow velocity of liquid can be improved；
Further, in the above-mentioned technical solutions, the sliding shoe 4, first connecting rod 6 and 7 junction of second connecting rod are
It is obliquely installed, is provided with sliding rail 16 on the outside of the first connecting rod 6 and second connecting rod 7, consequently facilitating sliding；
Further, in the above-mentioned technical solutions, the valve rod 9 is provided with bearing 17, the valve rod with 2 junction of valve plate
9 are provided with screw thread 18 with 10 junction of vavle shelf, are set as being threadedly coupled between the valve rod 9 and vavle shelf 10, allow 9 band of valve rod
Dynamic valve plate 2 opens or closes；
Further, in the above-mentioned technical solutions, 2 bottom of valve plate is provided with limited block 19, the limited block 19 with
2 bottom of valve plate is affixed.
This practical working principle:
Referring to Figure of description 1-3, when valve plate 2 is in close state, the pressure of liquid be will increase in valve body 1, work as liquid
When the pressure of body is greater than the elastic force of compressed spring 5, environmental liquids will push the sliding of sliding shoe 4, due to sliding shoe 4 and first connecting rod
6, by the connection sliding of fixture block 12, make sliding shoe 4 that first connecting rod 6 be pushed to move upwards, since first connecting rod 6 and second connecting rod 7 are
It is slidably connected, so that first connecting rod 6 is pushed second connecting rod 7, make second connecting rod 7 outwardly against sealing ring 11, to make sealing ring 11
The fitting with valve seat 8 tightly under the promotion of second connecting rod 7, the flowing of sealing liquid, structure is simple, improves its leakproofness
Can, when valve plate 2 is lifted up opening, liquid can become smaller to the pressure of sliding shoe 4, and sliding shoe 4 is under the action of compressed spring 5
To restore, drives first connecting rod 6 and second connecting rod 7 to restore, make to generate gap between sealing ring 11 and valve seat 8, so upwards
It is more laborsaving when unlatching, to reduce friction, improve 11 service life of sealing ring；
Referring to Figure of description 2, when valve plate 2 is closed, since fluting 3 is internally provided with fixed block 14, in fixed block 14
Portion is provided with opening 15, and liquid can be flowed into fluting 3 from opening 15, since the flow area of opening 15 is small, to can improve
The flow velocity of liquid makes hydraulic shock sliding shoe 4, consequently facilitating pushing sliding shoe 4 mobile.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. the flat gate valve that one kind can reduce friction loss, including valve body (1), it is characterised in that: setting in the middle part of the valve body (1)
Have valve plate (2), the valve plate (2) includes the first valve plate (201) and the second valve plate (202), is provided in the middle part of the valve plate (2)
It slots (3), is provided with sliding shoe (4) in the fluting (3), sliding is set as between the sliding shoe (4) and fluting (3) and is connected
It connects, is connected with compressed spring (5) between the sliding shoe (4) and valve plate (2), sliding shoe (4) two sides are provided with first
Connecting rod (6), first connecting rod (6) other end are provided with second connecting rod (7), and valve plate (2) two sides are provided with valve seat
(8), it is provided with valve rod (9), is provided with vavle shelf (10) at the top of the valve rod (9), valve plate (2) table at the top of the valve body (1)
Face is provided with sealing ring (11).
2. the flat gate valve that one kind according to claim 1 can reduce friction loss, it is characterised in that: the first connecting rod
(6) both ends are provided with fixture block (12), and the sliding shoe (4) and second connecting rod (7) surface are provided with sliding slot (13), the card
Block (12) setting is internal in sliding slot (13), is set as being slidably connected between the fixture block (12) and sliding slot (13).
3. the flat gate valve that one kind according to claim 1 can reduce friction loss, it is characterised in that: the fluting (3)
It is internally provided with fixed block (14), is provided with opening (15) in the middle part of the fixed block (14).
4. the flat gate valve that one kind according to claim 1 can reduce friction loss, it is characterised in that: the sliding shoe
(4), first connecting rod (6) and second connecting rod (7) junction are to be obliquely installed, and the first connecting rod (6) and second connecting rod (7) are outside
Side is provided with sliding rail (16).
5. the flat gate valve that one kind according to claim 1 can reduce friction loss, it is characterised in that: the valve rod (9)
It is provided with bearing (17) with valve plate (2) junction, the valve rod (9) and vavle shelf (10) junction are provided with screw thread (18), described
It is set as being threadedly coupled between valve rod (9) and vavle shelf (10).
6. the flat gate valve that one kind according to claim 1 can reduce friction loss, it is characterised in that: the valve plate (2)
Bottom is provided with limited block (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820960176.5U CN208442295U (en) | 2018-06-21 | 2018-06-21 | A kind of flat gate valve to reduce friction loss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820960176.5U CN208442295U (en) | 2018-06-21 | 2018-06-21 | A kind of flat gate valve to reduce friction loss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208442295U true CN208442295U (en) | 2019-01-29 |
Family
ID=65090558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820960176.5U Active CN208442295U (en) | 2018-06-21 | 2018-06-21 | A kind of flat gate valve to reduce friction loss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208442295U (en) |
-
2018
- 2018-06-21 CN CN201820960176.5U patent/CN208442295U/en active Active
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