CN107327607A - A kind of fire-preventing check valve of automatic landing valve block - Google Patents
A kind of fire-preventing check valve of automatic landing valve block Download PDFInfo
- Publication number
- CN107327607A CN107327607A CN201710777790.8A CN201710777790A CN107327607A CN 107327607 A CN107327607 A CN 107327607A CN 201710777790 A CN201710777790 A CN 201710777790A CN 107327607 A CN107327607 A CN 107327607A
- Authority
- CN
- China
- Prior art keywords
- valve
- rotating shaft
- fire
- drawstring
- fixed pulley
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K17/38—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
- F16K17/383—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature the valve comprising fusible, softening or meltable elements, e.g. used as link, blocking element, seal, closure plug
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K17/38—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
- F16K17/386—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature the closure members being rotatable or pivoting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
- F16K27/0227—Check valves or pivoted valves with the valve members swinging around an axis located at the edge of or outside the valve member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
- Check Valves (AREA)
Abstract
The invention discloses a kind of fire-preventing check valve of automatic landing valve block, including valve body and buffering lock control main body, the valve body upper end is fixedly connected with end cap, one end is installed with rotating shaft on the upside of the valve inner, the rotating shaft side is provided with valve plug body, described valve plug body one end is fixedly connected with sleeve couple, the sleeve couple is connected on valve cover, the valve cover upper end is fixedly connected with rod set ring, described rod set ring one end is connected with drawstring, the lower end wall of the end cap is provided with fixed pulley with the side valve interior wall away from rotating shaft, and fixed pulley is welded on the inwall of end cap and valve body, connected between the fixed pulley and fixed pulley by drawstring, the metal that is installed with the valve body end wall of rotating shaft side melts part, the metal melts part one end and is connected with drawstring.The present invention is simple to operate, and can land valve block only control gas flowing in time automatically, safe, but also be avoided that the loss hit when valve block declines, practical.
Description
Technical field
The present invention relates to fire-preventing check valve equipment technical field, specially a kind of fire-preventing check valve of automatic landing valve block.
Background technology
At present, the off the row such as smoke exhaust ventilator device is required to install check-valves in the junction of its outlet flue and flue, and it can
With effectively prevent in common flue he other in the poisonous fume discharged and oil smoke pour in down a chimney into the room of user, simultaneously
It is also possible to prevent mosquito, moth, the winged insect such as fly, and the reptile such as gecko enter, it is ensured that air defends inside user room
Natural disposition and security, though existing check-valves can realize that automatic landing valve block makes it close the function of valve plug but in technology
Perfect not enough in design, the shock occurred when freely landing for valve block can not be handled well, can be worn and torn after shock,
The air-tightness of check-valves is reduced, it is obtained certain influence in safety, in order to solve the above problems, spy proposes a kind of
The fire-preventing check valve of automatic landing valve block is with for people to use.
The content of the invention
It is an object of the invention to provide a kind of fire-preventing check valve of automatic landing valve block, the valve block that can land automatically is timely
Only the flowing of control gas, safe, but also is avoided that the loss hit when valve block declines, practical.
To achieve the above object, the present invention provides following technical scheme:A kind of fire-preventing check valve of automatic landing valve block, bag
Valve body and buffering lock control main body are included, the valve body upper end is fixedly connected with one end on the upside of end cap, the valve inner and is fixedly mounted
There is rotating shaft, the rotating shaft side is provided with valve plug body, and described valve plug body one end is fixedly connected with sleeve couple, the docking
Fastener is connected on valve cover, and the valve cover upper end is fixedly connected with rod set ring, and described rod set ring one end is connected with drawstring, institute
The lower end wall and the side valve interior wall away from rotating shaft for stating end cap are provided with fixed pulley, and fixed pulley is welded on end cap and valve body
Inwall on, connected between the fixed pulley and fixed pulley by drawstring, it is described fixed in the valve body end wall of rotating shaft side
Metal is installed and melts part, the metal melts part one end and is connected with drawstring, and described buffering lock control main body one end is provided with groove, and groove
Place is installed with spring, and the spring one end is fixedly connected with connecting rod, and described connecting rod one end is connected with first piston, described
One piston is arranged on the middle-end of communicating pipe, and communicating pipe both sides top is provided with second piston, and second piston one end connects
Bolt fastening is connected to, the valve inner is provided with valve pocket.
It is preferred that, it is flexibly connected between the valve plug body and valve body by rotating shaft, between the valve plug body and rotating shaft
Connected by cross bar.
It is preferred that, sleeve couple both sides end wall is provided with hole slot.
It is preferred that, the valve plug body melts part by drawstring, fixed pulley and metal and is fixed on the end wall of valve body, and drawstring
It is connected between valve plug body by rod set ring.
It is preferred that, the buffering lock control main body is fixedly mounted on the interior lower end wall of valve body.
It is preferred that, it is connected between the valve plug body and valve body by sleeve couple and bolt fastening.
Compared with prior art, beneficial effects of the present invention are as follows:
1st, the present invention solves the collision of check-valves free-falling when blocking backflow by the setting to buffering lock control main body
Loss, fixes its Dock With Precision Position, it is ensured that the air-tightness of piston fluid stopping, safe and reliable.
2nd, the material used in the present invention is alloy or copper material, and the work(of check-valves will not be influenceed because of catching fire
With ensure that the security of people to a certain extent, what is more important is made under its valve plug body freedom by the spring of setting
Shock loss is slow down when falling, material when freely declining is effectively reduced and hits degree, improve material repeat usage.
3rd, the present invention is simple to operate, practical, and the propagation of pyrotechnics can be obstructed in time, safe, is worth people's letter
Rely.
Brief description of the drawings
Fig. 1 is agent structure schematic diagram of the present invention;
Structural representation when Fig. 2 is main body fluid stopping of the present invention;
Fig. 3 buffers the structural representation of lock control main body for the present invention;
Fig. 4 is the structural representation of valve plug body of the present invention.
In figure:1- valve bodies;2- buffers lock control main body;3- valve pockets;4- rotating shafts;5- valve plug bodies;6- fixed pulleys;7- drawstrings;
8- end caps;9- metals melt part;10- communicating pipes;11- first pistons;12- connecting rods;13- second pistons;14- bolt fastenings;15- bullets
Spring;16- rod set rings;17- valve covers;18- sleeve couples.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer to Fig. 1 to 4, a kind of embodiment that the present invention is provided:A kind of fire-preventing check valve of automatic landing valve block, including
Valve body 1 and buffering lock control main body 2, the upper end of valve body 1 are fixedly connected with end cap 8, and end cap 8 is used for setting and tune to valve plug body 5
Section, upper inside one end of valve body 1 is installed with rotating shaft 4, for connecting valve plug body 5, and plays a part of flexible rotating, turns
The side of axle 4 is provided with valve plug body 5, for fluid stopping, prevents gas backstreaming, and the one end of valve plug body 5 is fixedly connected with sleeve couple
18, sleeve couple 18 is connected on valve cover 17, and sleeve couple 18 is used for connecting valve plug body 5 and valve body 1, rises and is fixedly connected with work
With the upper end of valve cover 17 is fixedly connected with rod set ring 16, and rod set ring 16 is used for connection stay cord 7, and the one end of rod set ring 16 is connected with drawing
Rope 7, the lower end wall of end cap 8 is provided with fixed pulley 6 with the inwall of side valve body 1 away from rotating shaft 4, and fixed pulley 6 is welded on end
On the inwall of lid 8 and valve body 1, connected between fixed pulley 6 and fixed pulley 6 by drawstring 7, fixed pulley 6 and drawstring 7 are in order to gold
The molten part 9 of category and valve plug body 5 establish a connection the auxiliary part of setting, the fixed peace on the end wall of valve body 1 of the side of rotating shaft 4
Part 9 is melted equipped with metal, it is for detecting the temperature at check valve port, play gas backstreaming and protect dragline that metal, which melts part 9,
Metal melts the one end of part 9 and is connected with drawstring 7, and the one end of buffering lock control main body 2 is provided with groove, for being connected with sleeve couple 18, and recessed
Spring 15 is installed with groove, the cushioning effect of the free-falling of valve plug body 5 is played, the one end of spring 15 is fixedly connected with connecting rod
12, gearing is played, the one end of connecting rod 12 is connected with first piston 11, for promoting the propagation medium inside communicating pipe 10, makes it
Second piston 13 is moved, and first piston 11 is arranged on the middle-end of communicating pipe 10, and setting up for communicating pipe 10 is in order to spring
The power of 15 compressions provide routes of transmission, communicating pipe 10 both sides top be provided with second piston 13, and the one end of second piston 13 is connected
There is bolt fastening 14, for locking sleeve couple 18, it is ensured that the air-tightness of valve plug body, valve body 1 is internally provided with valve pocket 3, use
Carry out propagation medium circulation.
It is flexibly connected, is connected between valve plug body 5 and rotating shaft 4 by cross bar by rotating shaft 4 between valve plug body 5 and valve body 1
Connect, for illustrating the annexation between valve plug body 5 and valve body 1, valve plug body 5 and rotating shaft 4, the both sides end wall of sleeve couple 18
Hole slot is provided with, is that bolt fastening 14 provides neck, valve plug body 5 melts part 9 by drawstring 7, fixed pulley 6 and metal and is fixed on valve
Connected on the end wall of body 1, and between drawstring 7 and valve plug body 5 by rod set ring 16, for illustrating valve plug body 5, drawstring 7, determining
Pulley 6 and metal melt the annexation between part 9, and buffering lock control main body 2 is fixedly mounted on the interior lower end wall of valve body 1, is
Buffer lock control main body 2 and fixed position is set, connected between valve plug body 5 and valve body 1 by sleeve couple 18 and bolt fastening 14
It is fixed, it is that illustration is explained in valve plug body 5 and the connection of valve body 1.
Operation principle:User passes through the inside of valve body 1 gold in use, fire-preventing check valve is fixedly mounted at ventilating opening
Valve plug body 5 is fixed in the molten part 9 of category, the effect of sliding fixed wheel 6 and drawstring 6, is made inside its valve body 1 by the progress gas friendship of valve pocket 3
Change, if run into fire, metal inside its valve body 1, which melts part 9, gradually to be melted with the rising of pipeline gas temperature, when reaching
During certain temperature, its metal, which melts part 9, can melt the pulling force abandoned completely to drawstring 7, meeting after the fixed force of its one end of drawstring 7 disappears
Under valve plug body 5 Action of Gravity Field of itself, free-falling, sleeve couple 18 can be sent out with the spring 15 in buffering lock control main body 2
Raw collision, collision rift spring 15 is by pressure transmission to first piston 11, and first piston 11 will be acted on by the medium in communicating pipe
Power passes to second piston 13, and second piston 13 can then promote bolt fastening 14 to be connected into hole slot with sleeve couple 18, so that
The closure between valve plug body 5 and valve body 1 is reached, gas circulation is blocked, reaches the purpose of fire prevention fluid stopping, be the present invention above
Operation principle.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of fire-preventing check valve of automatic landing valve block, including valve body (1) and buffering lock control main body (2), it is characterised in that:Institute
State valve body (1) upper end and be fixedly connected with end cap (8), described valve body (1) upper inside one end is installed with rotating shaft (4), described
Rotating shaft (4) side is provided with valve plug body (5), and described valve plug body (5) one end is fixedly connected with sleeve couple (18), described right
Clasp (18) is connected on valve cover (17), and valve cover (17) upper end is fixedly connected with rod set ring (16), the rod set
Ring (16) one end is connected with drawstring (7), and the lower end wall of the end cap (8) is all provided with side valve body (1) inwall away from rotating shaft (4)
Fixed pulley (6) is equipped with, and fixed pulley (6) is welded on the inwall of end cap (8) and valve body (1), the fixed pulley (6) and fixed pulley
(6) connected between by drawstring (7), the metal that is installed with valve body (1) end wall of rotating shaft (4) side melts part
(9), molten part (9) one end of the metal is connected with drawstring (7), and described buffering lock control main body (2) one end is provided with groove, and groove
Spring (15) is installed with, described spring (15) one end is fixedly connected with connecting rod (12), and described connecting rod (12) one end is connected with
First piston (11), the first piston (11) is arranged on the middle-end of communicating pipe (10), and communicating pipe (10) the both sides top is set
Second piston (13) is equipped with, and second piston (13) one end is connected with bolt fastening (14), the valve body (1) is internally provided with valve
Chamber (3).
2. a kind of fire-preventing check valve of automatic landing valve block according to claim 1, it is characterised in that:The valve plug body
(5) it is flexibly connected, is connected between the valve plug body (5) and rotating shaft (4) by cross bar by rotating shaft (4) between valve body (1).
3. a kind of fire-preventing check valve of automatic landing valve block according to claim 1, it is characterised in that:The sleeve couple
(18) both sides end wall is provided with hole slot.
4. a kind of fire-preventing check valve of automatic landing valve block according to claim 1, it is characterised in that:The valve plug body
(5) part (9) is melted by drawstring (7), fixed pulley (6) and metal to be fixed on the end wall of valve body (1), and drawstring (7) and valve plug master
Connected between body (5) by rod set ring (16).
5. a kind of fire-preventing check valve of automatic landing valve block according to claim 1, it is characterised in that:The buffering lock control
Main body (2) is fixedly mounted on the interior lower end wall of valve body (1).
6. a kind of fire-preventing check valve of automatic landing valve block according to claim 1, it is characterised in that:The valve plug body
(5) it is connected between valve body (1) by sleeve couple (18) and bolt fastening (14).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710777790.8A CN107327607A (en) | 2017-08-31 | 2017-08-31 | A kind of fire-preventing check valve of automatic landing valve block |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710777790.8A CN107327607A (en) | 2017-08-31 | 2017-08-31 | A kind of fire-preventing check valve of automatic landing valve block |
Publications (1)
Publication Number | Publication Date |
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CN107327607A true CN107327607A (en) | 2017-11-07 |
Family
ID=60204197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201710777790.8A Pending CN107327607A (en) | 2017-08-31 | 2017-08-31 | A kind of fire-preventing check valve of automatic landing valve block |
Country Status (1)
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CN (1) | CN107327607A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109323030A (en) * | 2018-11-20 | 2019-02-12 | 江苏瑞朗博机械设备有限公司 | The fire prevention quick action emergency valve of meltable formula |
WO2020103534A1 (en) * | 2018-11-20 | 2020-05-28 | 江苏瑞朗博机械设备有限公司 | Fusible fireproof emergency shut-off valve |
WO2024002359A1 (en) * | 2022-06-30 | 2024-01-04 | 天津怡和嘉业医疗科技有限公司 | Fireproof device, oxygen therapy instrument, and ventilation therapy system |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2031477U (en) * | 1988-05-30 | 1989-01-25 | 于粤 | Magnetically controlled low-resistance energy-saving non-return valve |
CN2876473Y (en) * | 2006-03-03 | 2007-03-07 | 钱力行 | Square shaped free lateral turning door beat valve |
CN103244717A (en) * | 2012-02-08 | 2013-08-14 | 张琦 | Check valve |
CN203757089U (en) * | 2014-03-11 | 2014-08-06 | 江苏建环工程技术研究院有限公司 | Fireproof check valve of automatic landing valve plate |
CN206874913U (en) * | 2017-07-04 | 2018-01-12 | 盖罗(上海)自动化控制设备有限公司 | A kind of fire-preventing check valve of automatic landing valve block |
-
2017
- 2017-08-31 CN CN201710777790.8A patent/CN107327607A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2031477U (en) * | 1988-05-30 | 1989-01-25 | 于粤 | Magnetically controlled low-resistance energy-saving non-return valve |
CN2876473Y (en) * | 2006-03-03 | 2007-03-07 | 钱力行 | Square shaped free lateral turning door beat valve |
CN103244717A (en) * | 2012-02-08 | 2013-08-14 | 张琦 | Check valve |
CN203757089U (en) * | 2014-03-11 | 2014-08-06 | 江苏建环工程技术研究院有限公司 | Fireproof check valve of automatic landing valve plate |
CN206874913U (en) * | 2017-07-04 | 2018-01-12 | 盖罗(上海)自动化控制设备有限公司 | A kind of fire-preventing check valve of automatic landing valve block |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109323030A (en) * | 2018-11-20 | 2019-02-12 | 江苏瑞朗博机械设备有限公司 | The fire prevention quick action emergency valve of meltable formula |
WO2020103534A1 (en) * | 2018-11-20 | 2020-05-28 | 江苏瑞朗博机械设备有限公司 | Fusible fireproof emergency shut-off valve |
US11268622B2 (en) | 2018-11-20 | 2022-03-08 | Jiangsu Reliable Mechanical Equipment Co., Ltd | Fusible fire-proof emergency cut-off valve |
WO2024002359A1 (en) * | 2022-06-30 | 2024-01-04 | 天津怡和嘉业医疗科技有限公司 | Fireproof device, oxygen therapy instrument, and ventilation therapy system |
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Application publication date: 20171107 |