CN206738643U - A kind of ramp type screw down nonreturn valve - Google Patents
A kind of ramp type screw down nonreturn valve Download PDFInfo
- Publication number
- CN206738643U CN206738643U CN201720345495.0U CN201720345495U CN206738643U CN 206738643 U CN206738643 U CN 206738643U CN 201720345495 U CN201720345495 U CN 201720345495U CN 206738643 U CN206738643 U CN 206738643U
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- China
- Prior art keywords
- valve
- valve rod
- valve body
- plate
- valve plate
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Abstract
The utility model discloses a kind of ramp type screw down nonreturn valve, including handwheel, valve rod coupling nut and valve body, the side of the valve body is provided with valve body inlet, and the side away from valve body inlet is provided with valve outlet on valve body, the valve body is internally provided with valve plate, the upper end of the valve plate and the junction of valve body are provided with valve plate bearing pin, the rear and front end of the valve plate bearing pin is provided with connecting shaft gland, the side of the valve plate is provided with sealing ring, valve rod support is provided with above the valve body, the junction of the valve rod support and valve body is provided with bracket fixing bolt；When valve rod is lifted, pressure medium automatically turns on valve plate and realizes circulating function, when upstream pressure reduces medium back flow, valve plate is closed and realizes return valve function automatically, and when needing to cut off medium, rotary valve rod declines, valve plate is forced to be closed, stop valve function is realized, solving needs the problem of two valve space-consumings are big, and cost of manufacture is high.
Description
Technical field
The utility model belongs to ramp type screw down nonreturn valve technical field, and in particular to a kind of ramp type screw down nonreturn valve.
Background technology
In the municipal network systems such as plumbing, fire-fighting, sewage disposal, in order to prevent medium back flow and overhaul needs, one
As block valve (gate valve) be installed at water pump water outlet end be used for work as service valve, a check-valves is installed thereafter to prevent medium time
Flow the water hammer damage equipment formed.
Existing check-valves is big using two valve space-consumings, is not easy to install, and cost of manufacture is high, operation and maintenance
The problem of inconvenient, it is this it is proposed that a kind of ramp type screw down nonreturn valve.
Utility model content
The utility model provides a kind of ramp type screw down nonreturn valve, to solve to propose existing non-return in above-mentioned background technology
Valve is big using two valve space-consumings, is not easy to install, and cost of manufacture is high, the problem of operation and maintenance inconvenience.
In order to solve the above-mentioned technical problem, the utility model provides following technical scheme：A kind of ramp type screw down nonreturn valve,
Including handwheel, valve rod coupling nut and valve body, the side of the valve body is provided with valve body inlet, and away from valve body inlet on valve body
Side be provided with valve outlet, the valve body is internally provided with valve plate, and the upper end of the valve plate and the junction of valve body are set
It is equipped with valve plate bearing pin, the rear and front end of the valve plate bearing pin is provided with connecting shaft gland, and the side of the valve plate is provided with close
Seal, valve rod support is provided with above the valve body, and the junction of the valve rod support and valve body is provided with support and fixes spiral shell
Bolt, the inside of the valve body are provided with sealing filling close to one end of valve rod support, filled on the valve rod support close to sealing
One end be provided with valve rod Anti-rotary block, the bosom opening position of the valve rod support is provided with valve rod, close on the valve rod
One end of valve plate is provided with mobile jacking block, and the junction of the mobile jacking block and valve rod is provided with valve rod connecting shaft, described in two
Valve rod coupling nut is arranged on the both ends of valve rod connecting shaft, and the upper end of valve rod, which is provided with valve rod, on the valve rod support connects
Nut, the handwheel are arranged on the left and right sides of valve rod attaching nut, are provided with the valve rod support below handwheel
Bearing gland, and it is provided with locknut above handwheel on valve rod support.
Preferably, the mobile jacking block is connected with valve rod by valve rod connecting shaft and valve rod coupling nut.
Preferably, the sealing ring is cirque structure.
Preferably, the valve rod support is fixedly connected with valve body by bracket fixing bolt.
Preferably, the valve rod is connected with handwheel by valve rod attaching nut.
The beneficial effect that the utility model is reached is：When valve rod is lifted, pressure medium automatically turns on valve plate and realizes stream
Logical function, when upstream pressure reduces medium back flow, valve plate is closed and realizes return valve function automatically, when needing to cut off medium,
Rotary valve rod declines, and forces valve plate to be closed, realizes stop valve function, and solving needs two valve space-consumings big, is fabricated to
The problem of this is high, using the short series standard of butterfly valve, structure length is short, further reduces space-consuming；Die casting rubber ring on valve plate,
Valve seat and valve plate design have a α angle, and fitted seal effect is good；Valve plate is connected with valve body uses hinge type structure, rotation spirit
It is living.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is side structure schematic view of the present utility model；
Fig. 3 is the structural representation of valve rod connection end in the utility model；
Fig. 4 is the structural representation of valve plate in the utility model.
In figure；1st, handwheel；2nd, locknut；3rd, valve rod attaching nut；4th, bearing gland；5th, bracket fixing bolt；6th, sealing is filled out
Fill；7th, valve outlet；8th, valve rod；9th, valve rod coupling nut；10th, mobile jacking block；11st, valve body；12nd, sealing ring；13rd, valve plate；14、
Valve body inlet；15th, valve plate bearing pin；16th, valve rod Anti-rotary block, 17, valve rod support, 18, valve rod connecting shaft, 19, connecting shaft gland.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
Fig. 1-4 are referred to, the utility model provides a kind of technical scheme：A kind of ramp type screw down nonreturn valve, including handwheel
1st, valve rod coupling nut 9 and valve body 11, the side of valve body 11 are provided with valve body inlet 14, and away from valve body inlet 14 on valve body 11
Side be provided with valve outlet 7, valve body 11 is internally provided with valve plate 13, and the upper end and the junction of valve body 11 of valve plate 13 are set
It is equipped with valve plate bearing pin 15, the rear and front end of valve plate bearing pin 15 is provided with connecting shaft gland 19, and the side of valve plate 13 is provided with close
Seal 12, the top of valve body 11 are provided with valve rod support 17, and the junction of valve rod support 17 and valve body 11 is provided with support and fixed
Bolt 5, the inside of valve body 11 are provided with sealing filling 6 close to one end of valve rod support 17, filled out on valve rod support 17 close to sealing
The one end for filling 6 is provided with valve rod Anti-rotary block 16, and the bosom opening position of valve rod support 17 is provided with valve rod 8, close on valve rod 8
One end of valve plate 13 is provided with mobile jacking block 10, and the junction of mobile jacking block 10 and valve rod 8 is provided with valve rod connecting shaft 18, two
Valve rod coupling nut 9 is arranged on the both ends of valve rod connecting shaft 18, and the upper end of valve rod 8, which is provided with valve rod, on valve rod support 17 connects
Connected nut 3, handwheel 1 are arranged on the left and right sides of valve rod attaching nut 3, are provided with valve rod support 17 close to the lower section of handwheel 1
Bearing gland 4, and the top on valve rod support 17 close to handwheel 1 is provided with locknut 2.
It is connected for the ease of mobile jacking block 10 with valve rod 8, in the present embodiment, it is preferred that mobile jacking block 10 passes through with valve rod 8
Valve rod connecting shaft 18 and valve rod coupling nut 9 connect.
For the ease of being sealed to valve plate 13, in the present embodiment, it is preferred that sealing ring 12 is cirque structure.
It is connected for the ease of valve rod support 17 with valve body 11, in the present embodiment, it is preferred that valve rod support 17 is logical with valve body 11
Bracket fixing bolt 5 is crossed to be fixedly connected.
It is connected for the ease of valve rod 8 with handwheel 1, in the present embodiment, it is preferred that valve rod 8 is connected spiral shell with handwheel 1 by valve rod
Mother 3 connects.
Valve body 11 in the utility model is a kind of valve body of built-up welding austenite stainless steel material, is easy to improve valve body 11
Sealing.
Operation principle and process for using of the present utility model：The ramp type screw down nonreturn valve, medium enter from valve body inlet 14
Enter, when needing to open, user rotates handwheel 1, and valve rod 8 rises, while mobile jacking block 10 is lifted off valve plate 13, medium from
Valve opening plate 13 is pushed up, enters valve outlet 7, flows out valve body 11, when medium back flow, the pressure of medium itself causes valve plate 13 to return
Closing, realize the function of automatic check valve, when needing positive closing, rotate backward handwheel 1, mobile jacking block 10 withstands valve plate 13,
So as to close valve.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, 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 can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc.,
It should be included within the scope of protection of the utility model.
Claims (5)
1. a kind of ramp type screw down nonreturn valve, including handwheel (1), valve rod coupling nut (9) and valve body (11), it is characterised in that：
The side of the valve body (11) is provided with valve body inlet (14), and the side away from valve body inlet (14) is provided with valve body (11)
Valve outlet (7), the valve body (11) are internally provided with valve plate (13), the upper end of the valve plate (13) and the company of valve body (11)
The place of connecing is provided with valve plate bearing pin (15), and the rear and front end of the valve plate bearing pin (15) is provided with connecting shaft gland (19), described
The side of valve plate (13) is provided with sealing ring (12), and valve rod support (17), the valve rod are provided with above the valve body (11)
The junction of support (17) and valve body (11) is provided with bracket fixing bolt (5), and the inside of the valve body (11) is close to valve rod branch
One end of frame (17) is provided with sealing filling (6), and the one end for filling (6) on the valve rod support (17) close to sealing is provided with valve
Bar Anti-rotary block (16), the bosom opening position of the valve rod support (17) are provided with valve rod (8), close on the valve rod (8)
One end of valve plate (13) is provided with mobile jacking block (10), and the mobile jacking block (10) and the junction of valve rod (8) are provided with valve rod
Connecting shaft (18), two valve rod coupling nuts (9) are arranged on the both ends of valve rod connecting shaft (18), the valve rod support (17)
The upper upper end close to valve rod (8) is provided with valve rod attaching nut (3), and the handwheel (1) is arranged on the left side of valve rod attaching nut (3)
Right both sides, bearing gland (4) is provided with below handwheel (1) on the valve rod support (17), and on valve rod support (17)
Locknut (2) is provided with above handwheel (1).
A kind of 2. ramp type screw down nonreturn valve according to claim 1, it is characterised in that：The mobile jacking block (10) and valve
Bar (8) is connected by valve rod connecting shaft (18) and valve rod coupling nut (9).
A kind of 3. ramp type screw down nonreturn valve according to claim 1, it is characterised in that：The sealing ring (12) is annulus
Shape structure.
A kind of 4. ramp type screw down nonreturn valve according to claim 1, it is characterised in that：The valve rod support (17) and valve
Body (11) is fixedly connected by bracket fixing bolt (5).
A kind of 5. ramp type screw down nonreturn valve according to claim 1, it is characterised in that：The valve rod (8) and handwheel (1)
Connected by valve rod attaching nut (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720345495.0U CN206738643U (en) | 2017-03-28 | 2017-03-28 | A kind of ramp type screw down nonreturn valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720345495.0U CN206738643U (en) | 2017-03-28 | 2017-03-28 | A kind of ramp type screw down nonreturn valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206738643U true CN206738643U (en) | 2017-12-12 |
Family
ID=60559320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720345495.0U Expired - Fee Related CN206738643U (en) | 2017-03-28 | 2017-03-28 | A kind of ramp type screw down nonreturn valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206738643U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108358335A (en) * | 2018-04-04 | 2018-08-03 | 宣尧杭 | A kind of sewage treatment unit |
-
2017
- 2017-03-28 CN CN201720345495.0U patent/CN206738643U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108358335A (en) * | 2018-04-04 | 2018-08-03 | 宣尧杭 | A kind of sewage treatment unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 Termination date: 20210328 |