CN205759322U - A kind of fire hydrant of band decompressor - Google Patents
A kind of fire hydrant of band decompressor Download PDFInfo
- Publication number
- CN205759322U CN205759322U CN201620472530.0U CN201620472530U CN205759322U CN 205759322 U CN205759322 U CN 205759322U CN 201620472530 U CN201620472530 U CN 201620472530U CN 205759322 U CN205759322 U CN 205759322U
- Authority
- CN
- China
- Prior art keywords
- joint
- valve rod
- spool
- sheathed
- fire hydrant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses the fire hydrant of a kind of band decompressor, including aluminum pipe, flange, joint A and joint B, described aluminum pipe lower end sheathed joint B, joint B outside is sheathed connects cap；The sheathed aluminium joint in described aluminum pipe upper end, fixed spool B in aluminium joint, the valve rod B being threaded connection it is provided with in spool B, valve rod B top fixed valve rod C, valve rod C contacts with aluminium joint internal projection, closing aluminium joint internal pipeline, valve rod B top is provided with pad C, is provided with spring between pad C and valve rod C；Flange joint joint A is passed through on described aluminium joint top, joint A top is provided with two symmetrical outlets, exit is equipped with valve rod A, the bottom fixed spool A of valve rod A, the sheathed valve seat in top of spool A, the top of spool A is provided with handwheel and nut, and this utility model produces and provides the benefit that: this utility model simple in construction, reasonable in design, effect of easing stress is obvious, has good generalization.
Description
Technical field
This utility model relates to fire-fighting equipment technical field, the fire hydrant of a kind of band decompressor.
Background technology
Fire hydrant is a kind of fixed fire fighting device, and Main Function is to control combustible, isolation oxidizer, elimination ignition source.
Divide indoor fire hydrant and outdoor fire hydrant.Fire-fighting system includes, outdoor fire hydrant system, indoor fire hydrant system, fire extinguisher
System, have also has automatic sprinkler fire-extinguishing system, water cannon system, gas extinguishing system, fire spy system, spraying system etc..Disappear
Fire bolt implements fire extinguishing mainly for fire fighting truck from municipal water supply pipe network or the water intaking of outdoor fire fighting water supply network, it is also possible to be directly connected to water
Band, hydraulic giant go out above-water method.So, indoor and outdoor hydrant system is also one of important fire fighting device of fighting a fire.
Fire hydrant of the prior art is generally provided with decompressor, but effect of easing stress is undesirable, simultaneously when closing valve,
There will be in pipeline " water hammer ", existing fire hydrant is the most all not provided with back-flow preventer so that special to fire protection pipeline
It not that the fire protection pipeline of skyscraper has the biggest potential safety hazard.
Utility model content
The purpose of this utility model is to provide the fire hydrant of a kind of band decompressor, to solve proposition in above-mentioned background technology
Problem.
For achieving the above object, the following technical scheme of this utility model offer:
The fire hydrant of a kind of band decompressor, including aluminum pipe, flange, joint A and joint B, described aluminum pipe lower end is sheathed to be connect
Head B, joint B outside is sheathed connects cap；The sheathed aluminium joint in described aluminum pipe upper end, fixed spool B in aluminium joint, in spool B
Being provided with the valve rod B being threaded connection, valve rod B top fixed valve rod C, valve rod C contacts with aluminium joint internal projection, to aluminum
Joint internal pipeline is closed, and valve rod B top is provided with pad C, is provided with spring between pad C and valve rod C；Described aluminum connects
Head top is by Flange joint joint A, and joint A top is provided with two symmetrical outlets, and exit is equipped with valve rod A,
The bottom fixed spool A of valve rod A, spool A is installed with rubber blanket B, pad A and nut B by screw thread, spool A's
The sheathed valve seat in top, the top of valve seat is provided with gland cap and rubber blanket A, and the top of spool A is provided with handwheel and nut.
As further scheme of the present utility model: be additionally provided with on described joint A and connect button assembly.
As further scheme of the present utility model: being provided with pressure relief device between two outlets of described joint A, pressure release fills
Put and be provided with sealing ring, jump ring and block with joint A junction.
As further scheme of the present utility model: described joint B is provided with lubricating oil with connecing cap junction.
As further scheme of the present utility model: described valve rod C and aluminium joint junction are provided with sealing gasket D, sealing gasket
D is installed on valve rod C.
As further scheme of the present utility model: described spool A and valve base chamber are provided with white lubricating oil.
Compared with prior art, the beneficial effects of the utility model are: this utility model is by being arranged on pad C and valve rod C
Between spring, utilize the pressure compensation characteristic of spring spring to realize the one-level of current and reduce pressure, set between two outlets of joint
Having pressure relief device, pressure relief device carries out secondary blood pressure lowering by the current in the effective butt joint of flexible energy of contained spring, and disappear fire
Bolt current can maintain between stable pressure limit after twice blood pressure lowering, contributes to fire control, and valve rod C is also simultaneously
The generation of " water hammer " is effectively avoided in the water backflow that can prevent channel interior, and this utility model simple in construction, design are closed
Reason, effect of easing stress is obvious, and good seal performance has good generalization.
Accompanying drawing explanation
Fig. 1 is sectional view of the present utility model；
Fig. 2 is A-A view of the present utility model.
Fig. 3 is partial enlarged drawing of the present utility model.
In figure: 1-nut A, 2-handwheel, 3-gland cap, 4-rubber blanket A, 5-valve rod A, 6-valve seat, 7-sealing gasket A, 8-
Valve body, 9-spool A, 10-card Xiao, 11-rubber blanket B, 12-pad A, 13-nut B, 14-screw rod A, 15-flange, 16-
Nut C, 17-sealing ring A, 18-back-up ring, 19-sealing gasket B, 20-joint A, 21-aluminum pipe, 22-connect cap, 23-joint B,
24-sealing gasket C, 25-spool B, 26-valve rod B, 27-aluminium joint, 28-spool C, 29-sealing gasket D, 30-sealing ring B,
31-pad B, 32-spring, 33-pad C, 34-screw rod B, 35-Xiao Zi, 36-sealing ring, 37-block, 38-jump ring,
39-pressure relief device, 40-meet button assembly, 41-pad D.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the technical scheme of this patent is described in more detail.
Refer to Fig. 1-3, the fire hydrant of a kind of band decompressor, including aluminum pipe 21, flange 21, joint A20 and joint B23,
Described aluminum pipe 21 lower end sheathed joint B23, joint B23 outside is sheathed connects cap 22；The sheathed aluminium joint in described aluminum pipe 21 upper end
27, fixed spool B25 in aluminium joint 27, be provided with the valve rod B26 being threaded connection, valve rod B26 top in spool B25
Fixed valve rod C28, valve rod C28 contact with aluminium joint 27 internal projection, close aluminium joint 27 internal pipeline, valve rod
B26 top is provided with pad C33, is provided with spring 32 between pad C33 and valve rod C28, when aluminum pipe 21 internal high pressure current pass through
During valve rod C28 extruding valve rod C28, now spring 32 compresses, it is achieved the effect of easing stress to current, when closing current,
Spring 32 resets, valve rod C28 by hydraulic pressure effect to 27 sealing process of aluminium joint, it is to avoid the generation of backflow phenomenon；Described
Flange 15 jointing A20 is passed through on aluminium joint 27 top, and joint A20 top is provided with two symmetrical outlets, exit
It is equipped with the bottom fixed spool A9 of valve rod A5, valve rod A5, spool A9 is installed with rubber blanket B11, pad by screw thread
A12 and nut B13, the exit of spool A9 butt joint A20 plays sealing process, the sheathed valve seat in top 6 of spool A9, valve
The top of seat 6 is provided with gland cap 3 and rubber blanket A4, and the top of spool A9 is provided with handwheel 2 and nut A, when 2 turns of handwheel
Time dynamic, band movable valve plug A9 rotates, and spool A9 moves up and down by forming screw pair with valve seat 6, and then drive rubber blanket B11,
Pad A12 and nut B13 move up and down, it is achieved the closing of butt joint A20 outlet and opening, it is achieved the switch merit to current
Energy.
It is additionally provided with on described joint A20 and connects button assembly 40, connect button assembly 40 and can conveniently connect outer water tube.
Being provided with pressure relief device 39 between two outlets of described joint A20, pressure relief device 39 is provided with joint A20 junction
Sealing ring 36, jump ring 38 and block 37, pressure relief device 39 is by the water in the effective butt joint of flexible energy of contained spring
Stream carries out secondary blood pressure lowering.
Described joint B23 is provided with lubricating oil with connecing cap 22 junction.
Described valve rod C28 and aluminium joint 27 junction are provided with sealing gasket D, sealing gasket D29 and are installed on valve rod 28.
White lubricating oil it is provided with between described spool A9 and valve seat 6.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment,
In the ken that those of ordinary skill in the art is possessed, it is also possible to make each on the premise of without departing from this patent objective
Plant change.
Claims (6)
1. a fire hydrant for band decompressor, including aluminum pipe, flange, joint A and joint B, it is characterised in that described
Aluminum pipe lower end sheathed joint B, joint B outside is sheathed connects cap；The sheathed aluminium joint in described aluminum pipe upper end, fixed valve in aluminium joint
Core B, is provided with the valve rod B being threaded connection, valve rod B top fixed valve rod C, valve rod C and aluminium joint convex in spool B
Playing contact, close aluminium joint internal pipeline, valve rod B top is provided with pad C, is provided with bullet between pad C and valve rod C
Spring；Flange joint joint A is passed through on described aluminium joint top, and joint A top is provided with two symmetrical outlets, and exit is equal
It is provided with the bottom fixed spool A of valve rod A, valve rod A, spool A is installed with rubber blanket B, pad A and nut by screw thread
The sheathed valve seat in top of B, spool A, the top of valve seat is provided with gland cap and rubber blanket A, the top of spool A be provided with handwheel and
Nut.
The fire hydrant of a kind of band decompressor the most according to claim 1, it is characterised in that on described joint A also
It is provided with and connects button assembly.
The fire hydrant of a kind of band decompressor the most according to claim 2, it is characterised in that the two of described joint A
Being provided with pressure relief device between individual outlet, pressure relief device and joint A junction are provided with sealing ring, jump ring and block.
The fire hydrant of a kind of band decompressor the most according to claim 1, it is characterised in that described joint B with connect
Cap junction is provided with lubricating oil.
The fire hydrant of a kind of band decompressor the most according to claim 1, it is characterised in that described valve rod C and aluminum
Joint is provided with sealing gasket D, sealing gasket D and is installed on valve rod C.
The fire hydrant of a kind of band decompressor the most according to claim 1, it is characterised in that described spool A and valve
White lubricating oil it is provided with between Zuo.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620472530.0U CN205759322U (en) | 2016-05-19 | 2016-05-19 | A kind of fire hydrant of band decompressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620472530.0U CN205759322U (en) | 2016-05-19 | 2016-05-19 | A kind of fire hydrant of band decompressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205759322U true CN205759322U (en) | 2016-12-07 |
Family
ID=58115944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620472530.0U Expired - Fee Related CN205759322U (en) | 2016-05-19 | 2016-05-19 | A kind of fire hydrant of band decompressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205759322U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107050721A (en) * | 2017-03-29 | 2017-08-18 | 湖南高福星智能科技有限公司 | A kind of fire hydrant of Antivibration leak-proof water |
-
2016
- 2016-05-19 CN CN201620472530.0U patent/CN205759322U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107050721A (en) * | 2017-03-29 | 2017-08-18 | 湖南高福星智能科技有限公司 | A kind of fire hydrant of Antivibration leak-proof water |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20200519 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |