CN209245386U - A kind of fire-preventing check valve - Google Patents
A kind of fire-preventing check valve Download PDFInfo
- Publication number
- CN209245386U CN209245386U CN201821674357.8U CN201821674357U CN209245386U CN 209245386 U CN209245386 U CN 209245386U CN 201821674357 U CN201821674357 U CN 201821674357U CN 209245386 U CN209245386 U CN 209245386U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- fire
- exhaust pipe
- smoke exhaust
- 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.)
- Active
Links
Landscapes
- Taps Or Cocks (AREA)
- Check Valves (AREA)
Abstract
The utility model discloses a kind of fire-preventing check valves, including valve seat, valve body and smoke exhaust pipe, the internal circle edge of the valve body is provided with boss side, valve plate is provided in the boss side, the valve plate includes fixed valve block and movable valve plate, it is rotatablely connected between the movable valve plate and fixed valve block by rotary gemel, the valve body and smoke exhaust pipe are threaded in valve seat two sides respectively, the discharge flue being connected to valve body and smoke exhaust pipe is provided in the valve seat, the quadrangle of the valve seat, which is run through, is equipped with mounting hole, expansion bolt is plugged in the mounting hole, the valve seat is equipped with equally distributed anti-slop serrations far from the one side of valve body.The utility model, high-temperature harmful gas and fire source can be effectively prevented to enter in common flue, with good flameproof effect, and it is easy for installation, quick, simultaneously in anti-slop serrations of the valve seat far from valve body one side setting, it enables to valve seat firmly to firmly grasp on wall, increases the firmness that the check-valves is connect with wall.
Description
Technical field
The utility model relates to valve technology field, specifically a kind of fire-preventing check valve.
Background technique
In the kitchen using public flue, cigarette of the flue gas in is flow backwards into kitchen in order to prevent, generally can be
At the wall floss hole in kitchen, a fire-preventing check valve connecting with smoke exhaust ventilator smoke exhaust pipe and common flue is installed.But it is existing
Some fire-preventing check valves install and use inconvenience, and installation is not secured enough, and voluntarily fire can not be blocked to generate in the case of fire
Toxic high-temperature gas and fire source enter in common flue, endanger the life security of other users, the practicability is poor.
Utility model content
The purpose of this utility model is to provide a kind of fire-preventing check valves, to solve the problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions: a kind of fire-preventing check valve, including valve seat, valve
Body and smoke exhaust pipe, the internal circle of the valve body are provided with valve plate, the valve plate includes along boss side is provided in the boss side
Fixed valve block and movable valve plate are rotatablely connected between the movable valve plate and fixed valve block by rotary gemel, the fixed valve
Compression bar is provided with above piece, the compression bar is compressed on the inside of valve body by compressed spring, is set between the compression bar and boss side
Fuse sheet is set, the both ends of the fuse sheet pass through fixed pin respectively and are fixed on compression bar and boss side, and the bottom of the compression bar is logical
It crosses connecting rod and is connected with gravity ball, the gravity ball sliding is attached to fixed valve on piece, and the valve body and smoke exhaust pipe distinguish spiral shell
Line is connected to valve seat two sides, and the discharge flue being connected to valve body and smoke exhaust pipe, the quadrangle of the valve seat are provided in the valve seat
Through mounting hole is equipped with, expansion bolt is plugged in the mounting hole, the valve seat is equipped with far from the one side of valve body and is uniformly distributed
Anti-slop serrations, the bottom of the smoke exhaust pipe is equipped with by being equipped with the bottom of oil discharge outlet, the oil discharge outlet and connects oil funnel, described to connect oil
The bottom end of funnel is connected with oil exit pipe, and oil extraction valve is provided on the oil exit pipe.
Preferably, the both ends of the discharge flue are equipped with internal screw thread, the outer wall of the valve body and smoke exhaust pipe be equipped with
The external screw thread that internal screw thread matches.
Preferably, the oil discharge outlet is located at the bottom side at smoke discharge pipe corner, and the two sides of the oil discharge outlet are vertical
Setting is provided between two sunpenders and shelves plate, described shelve is placed with splash pan on plate, the splash pan position there are two sunpender
Below oil discharge outlet.
Preferably, the front edge of the movable valve plate is provided with fixture block, boss side position corresponding with fixture block
It is equipped with card slot.
Preferably, the valve plate is circular configuration, and the diameter of valve plate is identical as the diameter on boss side.
Preferably, the sectional uniform arcwall face of the fixed valve block and movable valve plate, and the area of fixed valve block is less than work
The area of moving valve plate.
Compared with prior art, the utility model has the beneficial effects that the utility model, by the grafting of valve seat quadrangle
The check-valves can be rapidly mounted at the floss hole of wall by expansion bolt, easy for installation, quick and separate in valve seat
The anti-slop serrations of valve body one side setting, enable to valve seat firmly to firmly grasp on wall, increase what the check-valves was connect with wall
Firmness, the fuse sheet being arranged in valve body can voluntarily fuse in the case of fire, so that being compressed in the compression bar above valve block
Under capable of being pushed by the elastic potential energy of compressed spring, moves in movable valve plate and movable valve plate is compressed to the wind for covering valve body
Mouthful, make valve body in sealing closed state, so that high temperature nocuousness gas and fire source effectively be prevented to enter by valve body and smoke exhaust pipe
The case where to common conduit, reaches fireproof effect, in the gravity ball that compression bar bottom is connected by connecting rod, both can be reduced pressure
The resistance that bar is subject in pushing course, and can make movable valve plate is even closer to cover on the air port of valve body, in addition, arranging
The oil discharge outlet and connect oil funnel that smoke pipe bottom is equipped with, can timely be discharged and collect the grease in flue gas, grease is avoided to flow back
It causes to accumulate in valve body.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the valve body structure schematic diagram of the utility model；
Fig. 3 is the boss side structural schematic diagram of the utility model；
Fig. 4 is the valve seat and smoke exhaust pipe attachment structure schematic diagram of the utility model；
Fig. 5 is the pressure rod structure schematic diagram of the utility model.
In figure: 1, valve seat；2, valve body；3, mounting hole；4, smoke exhaust pipe；5, oil funnel is connect；6, splash pan；7, plate is shelved；8,
Sunpender；9, compression bar；10, boss side；11, valve plate；12, fixed valve block；13, movable valve plate；14, compressed spring；15, fuse sheet；
16, rotary gemel；17, fixture block；18, card slot；19, expansion bolt；20, anti-slop serrations；21, oil discharge outlet；22, oil exit pipe；23, oil extraction
Valve；24, discharge flue；25, connecting rod；26, gravity ball.
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.
Please refer to Fig. 1-5, in the utility model embodiment, a kind of fire-preventing check valve, including valve seat 1, valve body 2 and smoke exhaust pipe
4, the internal circle of valve body 2 is provided with valve plate 11 along boss side 10 is provided in boss side 10, valve plate 11 includes fixed 12 He of valve block
Movable valve plate 13 is rotatablely connected between movable valve plate 13 and fixed valve block 12 by rotary gemel 16, the top of fixed valve block 12
It is provided with compression bar 9, compression bar 9 is compressed in 2 inside of valve body by compressed spring 14, fuse sheet is arranged between compression bar 9 and boss side 10
15, the both ends of fuse sheet 15 pass through fixed pin respectively and are fixed on compression bar 9 and boss side 10, the fuse sheet 15, Neng Gou of setting
Occur voluntarily to fuse when fire, the compression bar being compressed in above valve block 9 is pushed by the elastic potential energy of compressed spring 14
Under, the air port for covering valve body 2 is moved in movable valve plate 13 and compresses movable valve plate 13, making valve body 2 is in sealing closed state, from
And the case where effectively preventing high temperature nocuousness gas and fire source to enter common conduit by valve body 2 and smoke exhaust pipe 4, reach fire prevention
Effect, the bottom of compression bar 9 is connected with gravity ball 26 by connecting rod 25, and the sliding of gravity ball 26 is attached to fixed valve block 12
On, the setting of gravity ball 26 not only can be reduced the resistance that compression bar 9 is subject in pushing course, but also can make movable valve plate 13 more
Add and closely cover on the air port in valve body 2, valve body 2 and smoke exhaust pipe 4 are threaded in 1 two sides of valve seat respectively, are provided in valve seat 1
The discharge flue 24 being connected to valve body 2 and smoke exhaust pipe 4, the quadrangle of valve seat 1, which is run through, is equipped with mounting hole 3, is plugged in mounting hole 3 swollen
The check-valves can be rapidly mounted at the floss hole of wall by swollen bolt 19, the setting of expansion bolt 19, easy for installation,
Fast, valve seat 1 is equipped with equally distributed anti-slop serrations 20 far from the one side of valve body 2, and anti-slop serrations 20 enable to valve seat 1 firmly to firmly grasp
On wall, the firmness that the check-valves is connect with wall is increased, the bottom of smoke exhaust pipe 4 is by being equipped with oil discharge outlet 21, oil discharge outlet
21 bottom, which is equipped with, connects oil funnel 5, the oil discharge outlet 21 of setting and connects oil funnel 5, can timely be discharged and collect in flue gas
Grease, avoid grease from flowing back into valve body 2 and cause to accumulate, the bottom end for connecing oil funnel 5 is connected with oil exit pipe 22, on oil exit pipe 22
It is provided with oil extraction valve 23, convenient for the grease connect in oil funnel 5 is discharged, the both ends of discharge flue 24 are equipped with internal screw thread, valve body 2
Be equipped with the external screw thread to match with internal screw thread with the outer wall of smoke exhaust pipe 4, by the way of this threaded connection, convenient for valve body and
The dismounting and cleaning of smoke exhaust pipe 4, oil discharge outlet 21 are located at the bottom side close to 4 corner of smoke exhaust pipe, and the two sides of oil discharge outlet 21 are perpendicular
Straight setting is provided between two sunpenders 8 and shelves plate 7, shelve and be placed with splash pan 6 on plate 7 there are two sunpender 8, and splash pan 6
In 21 lower section of oil discharge outlet, splash pan 6 can be used to the grease that centralized collection is discharged from oil exit pipe 22, to focus on, activity
The front edge of valve block 13 is provided with fixture block 17, and the position corresponding with fixture block 17 of boss side 10 is equipped with card slot 18, fixture block 17
It can be played with card slot 18 and support fixed effect to movable valve plate 13, avoided movable valve plate 13 during clamping cap closes, turn
Moving to 2 another side of valve body causes the sealing of valve body 2 to close failure, and valve plate 11 is circular configuration, the diameter of valve plate 11 and boss side 10
Diameter it is identical, the area of the sectional uniform arcwall face of fixed valve block 12 and movable valve plate 13, fixed valve block 12 is less than moving valve
The area of piece 13.
The working principle of the utility model is: in use, valve seat 1 to be mounted on to the cigarette of wall by expansion bolt 19 first
At road junction, then valve body 2 and smoke exhaust pipe 4 be threadedly coupled to 24 both ends of discharge flue of valve seat 1 respectively again, easy for installation,
It is time saving, and the valve seat 1 after installing can firmly be held on wall under the anti-skidding effect of anti-slop serrations 20, to improve
The degree of firmly installing of the check-valves, during use, movable valve plate 13 is by being in open shape under the action of flue gas stream
State, so that flue gas stream is drained into public gas flue by valve body 2, and by discharge flue 24 and smoke exhaust pipe 4, it is fiery when occurring
When calamity, a large amount of high-temperature harmful gas and fire source are entered in valve body 2, and fuse sheet 15 voluntarily fuses under high temperature environment, so that pressure
The compression bar 9 to contract above fixed valve block 12 is moved to by gravity ball 26 and is beaten in the case where the elastic potential energy of compressed spring 14 is pushed
In movable valve plate 13 after opening so that open after movable valve plate 13 under the pressuring action of compression bar 9 and gravity ball 26, Gai He
At the air port of valve body 2, to make valve body 2 in sealing closed state, reaches and high temperature nocuousness gas and fire source is prevented to pass through 2 He of valve body
The case where smoke exhaust pipe 4 enters public gas flue.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of fire-preventing check valve, including valve seat (1), valve body (2) and smoke exhaust pipe (4), it is characterised in that: the valve body (2)
Internal circle is provided with valve plate (11) in the boss side (10) along being provided with boss side (10), and the valve plate (11) includes fixing
Valve block (12) and movable valve plate (13) are rotated between the movable valve plate (13) and fixed valve block (12) by rotary gemel (16)
It connects, is provided with compression bar (9) above the fixed valve block (12), the compression bar (9) is compressed in valve by compressed spring (14)
On the inside of body (2), fuse sheet (15) are set between the compression bar (9) and boss side (10), the both ends difference of the fuse sheet (15)
It is fixed on compression bar (9) and boss side (10) by fixed pin, the bottom of the compression bar (9) is connected with weight by connecting rod (25)
Power ball (26), gravity ball (26) sliding are attached on fixed valve block (12), and the valve body (2) and smoke exhaust pipe (4) are respectively
Valve seat (1) two sides are threaded in, are provided with the discharge flue being connected to valve body (2) and smoke exhaust pipe (4) in the valve seat (1)
(24), the quadrangle of the valve seat (1), which is run through, is equipped with mounting hole (3), is plugged with expansion bolt (19), institute in the mounting hole (3)
It states valve seat (1) and is equipped with equally distributed anti-slop serrations (20) far from the one side of valve body (2), the bottom of the smoke exhaust pipe (4) is by being equipped with
Oil discharge outlet (21), the bottom of the oil discharge outlet (21), which is equipped with, to be connect oil funnel (5), and the bottom end for connecing oil funnel (5) is connected with
Oil exit pipe (22) is provided with oil extraction valve (23) on the oil exit pipe (22).
2. a kind of fire-preventing check valve according to claim 1, it is characterised in that: set on the both ends of the discharge flue (24)
There is an internal screw thread, the outer wall of the valve body (2) and smoke exhaust pipe (4) is equipped with the external screw thread to match with internal screw thread.
3. a kind of fire-preventing check valve according to claim 1, it is characterised in that: the oil discharge outlet (21) is located at close to smoke evacuation
Manage the bottom side of (4) corner, the two sides of the oil discharge outlet (21) are vertically arranged there are two sunpender (8), two sunpenders (8) it
Between be provided with and shelve plate (7), described shelve is placed with splash pan (6) on plate (7), and the splash pan (6) is located at oil discharge outlet (21)
Lower section.
4. a kind of fire-preventing check valve according to claim 1, it is characterised in that: the front edge of the movable valve plate (13)
It is provided with fixture block (17), the boss side (10) position corresponding with fixture block (17) is equipped with card slot (18).
5. a kind of fire-preventing check valve according to claim 1, it is characterised in that: the valve plate (11) is circular configuration, and
The diameter of valve plate (11) is identical as the diameter of boss side (10).
6. a kind of fire-preventing check valve according to claim 1, it is characterised in that: the fixed valve block (12) and movable valve plate
(13) sectional uniform arcwall face, and the area of fixed valve block (12) is less than the area of movable valve plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821674357.8U CN209245386U (en) | 2018-10-16 | 2018-10-16 | A kind of fire-preventing check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821674357.8U CN209245386U (en) | 2018-10-16 | 2018-10-16 | A kind of fire-preventing check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209245386U true CN209245386U (en) | 2019-08-13 |
Family
ID=67525078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821674357.8U Active CN209245386U (en) | 2018-10-16 | 2018-10-16 | A kind of fire-preventing check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209245386U (en) |
-
2018
- 2018-10-16 CN CN201821674357.8U patent/CN209245386U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109378747A (en) | A kind of oil-field flooding control system frequency conversion tank | |
| CN209245386U (en) | A kind of fire-preventing check valve | |
| CN208533882U (en) | A kind of roof captation convenient for fixing and having filtering function | |
| CN205841880U (en) | A kind of anti-jamming spring loaded check valve | |
| CN208210488U (en) | A kind of frequency conversion tank | |
| CN207398672U (en) | A kind of High-voltage Incoming Cabinet with electric arc protection | |
| CN208982709U (en) | A kind of fire-preventing check valve | |
| CN109011872A (en) | A kind of high-effective dust-removing case of refuse cleaning vehicle easy to use | |
| CN201037561Y (en) | Fireproof check valve | |
| CN2869151Y (en) | Floor drain structure | |
| CN211398669U (en) | Jet drainage gas-drawing fire-proof valve for house building | |
| CN209244929U (en) | A kind of smoke exhaust fan | |
| CN202768955U (en) | Fire prevention check valve for flue | |
| CN2700658Y (en) | Smoke exhausting fire preventing valve for kitchen and toilet of residential housing | |
| CN208536938U (en) | A kind of novel rotz flowmeter batch meter | |
| CN208595265U (en) | A kind of fireproof check valve for flue | |
| CN208570278U (en) | A kind of high waterproof oil conservater | |
| CN202660743U (en) | Anti-freezing device for gas water heater | |
| CN206222412U (en) | A kind of house kitchen fume purifier of fume | |
| CN209509403U (en) | Smoke discharging pipe system | |
| CN205908360U (en) | Take water tank structure of protection casing | |
| CN211648602U (en) | Fire control high temperature axial fan that discharges fume | |
| CN208253736U (en) | A kind of embedded air cleaning dust removal installation | |
| CN205755118U (en) | Forcing press tipper electrical control cubicles | |
| CN219796131U (en) | High-tightness fireproof check valve with rear adjustable locking device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |