CN204961992U - Fire control fire prevention valve - Google Patents
Fire control fire prevention valve Download PDFInfo
- Publication number
- CN204961992U CN204961992U CN201520685318.8U CN201520685318U CN204961992U CN 204961992 U CN204961992 U CN 204961992U CN 201520685318 U CN201520685318 U CN 201520685318U CN 204961992 U CN204961992 U CN 204961992U
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- China
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- ratchet
- fire
- pivoted arm
- spring
- handle
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- Expired - Fee Related
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Abstract
The utility model discloses a fire control fire prevention valve, including valve body, actuating mechanism, drive mechanism, rocking handle mechanism and ratchet, fixed actuating mechanism and the rocking handle mechanism of setting up in valve body side, drive mechanism comprises rocking arm A, connecting rod A, rocking arm B and spring A, rocking handle mechanism comprises handle, rocking arm C and spring B, ratchet comprises pawl, ratchet, connecting rod B, rocking arm D and spring C. The utility model discloses a blading synchronization action more than the control of actuating mechanism driving control ratchet is two sets of or two sets of, easy and simple to handle, action executing is rapid, and fire behavior is reliable, and the suitability is strong, the angle that opens and shuts of control blade, satisfy can not amount of wind size the user demand, practice thrift manufacturing cost in the production process greatly, increased market competitiveness of the product.
Description
Technical field
The utility model relates to firefighting security device technical field, especially relates to a kind of fire-fighting fire-proof valve.
Background technique
Fire-fighting fire-proof class valve mainly comprises fire-closing valve, exhaust smoke valve, smoke exhaust fire damper.Fire-closing valve is mounted on ventilation, the sending of air-conditioning system, air return pipeline, is opening state at ordinary times, when fire occurs, automatically closes when gas in pipelines temperature reaches 70 DEG C.For all kinds of building, especially tall building, due to the effect of heat smoke high stack effect, once breaking out of fire, fire and smoke spread is rapid.Numerous fire cases shows, flue gas affects evacuating personnel in fire, and the main factor of fire-fighting and rescue, is also the most important reason causing casualties in fire.And intricate in building, that the pipeline of various ventilation and air-conditioning system that is that distribute in length and breadth becomes fire and smoke spread in fire main path, therefore the pipeline of ventilation and air-conditioning system must be cut off in time when fire occurs, to stop the passage of fire or fire and smoke spread, fire-closing valve is exactly a kind of actively, the effective fire fighting device be arranged on to function as described above in ventilation and air conditioning system.Exhaust smoke valve is generally arranged on the airduct of purging system, and at ordinary times during normally closed breaking out of fire, Smoke Detector sends signal, and control centre energising DC24V, to electromagnet on valve, valve is opened rapidly, or people manually opens rapidly valve and discharges fume.Smoke exhaust fire damper is generally arranged on the airduct of purging system, often opens at ordinary times, when flue temperature is closed automatically to when 280 DEG C, and hand reset.
Current size is on the market that the fire-fighting fire-proof class valve of more than a square metre installs two and plural actuator usually, an actuator only controls one group of blade and opens and closes, the actuator that larger-size fire-fighting fire-proof class valve needs is more, complicated structure, manufacture cost is higher; The valve be simultaneously made up of multiple actuator, easily damages owing to using in different humidity environment for a long time, and when running into fire and needing to close or open, actuator can not close or akinesia local, thus loses the effect of security against fire.
Model utility content
In order to overcome above-mentioned existing technological deficiency, it is reliable, practical, easy to operate that the purpose of this utility model is to provide a kind of fireproof performance, the fire-fighting fire-proof valve effectively saved production cost.
In order to achieve the above object, the utility model is achieved through the following technical solutions:
The technical program is a kind of fire-fighting fire-proof valve, comprises valve body, actuator, haulage gear, rocking handle mechanism and ratchet mechanism; Described valve body side is fixedly installed actuator and rocking handle mechanism; Described haulage gear is made up of pivoted arm A, connecting rod A, pivoted arm B and spring A; Described pivoted arm A is fixedly connected with actuator by sharf A, and pivoted arm A movable end is in transmission connection by connecting rod A and pivoted arm B one end, and the pivoted arm B the other end is drawn by spring A, and spring A is fixedly installed on valve body; Described rocking handle mechanism is made up of handle, pivoted arm C and spring B; Described handle is fixedly connected with pivoted arm C one end, pivoted arm C the other end linking springs B, and spring B is fixedly installed on valve body; Described ratchet mechanism is made up of ratchet, ratchet, connecting rod B, pivoted arm D and spring C; Described ratchet coordinates with ratchet gear, and ratchet fixed end is in transmission connection by connecting rod B and pivoted arm D movable end; Pivoted arm D fixed end is fixedly connected on valve body; Described pivoted arm D movable end is connected with ratchet movable end by spring C, and described ratchet movable end is connected with pivoted arm A movable end by wire rope; Described handle is connected with ratchet fixed end by sharf B.
As optimization, described ratchet is provided with one or five ratchets, ratchet being arranged a ratchet is realize vane group open completely or ratchet arrange the ratchet suitable with the angle of swing of actuator respectively, adjustable vane opening angle, reaches the object controlling air force.
Compared with prior art, the beneficial effects of the utility model are: the utility model controls by actuator's transmission the vane group synchronization motion that ratchet mechanism controls two groups or more, easy and simple to handle, and action executing is rapid, and fireproof performance is reliable, and applicability is strong; Control the folding angle of blade, meeting can not the user demand of air force; Greatly save cost of production in production process, add the competitiveness of product in market.
Accompanying drawing explanation
The utility model illustrates by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is main structure schematic diagram of the present utility model;
Fig. 2 is left view of the present utility model;
Fig. 3 is right elevation of the present utility model.
Mark in figure: valve body 1, actuator 2, sharf A3, pivoted arm A4, connecting rod A5, pivoted arm B6, spring A7, handle 8, pivoted arm C9, spring B 10, sharf B11, ratchet 12, ratchet 13, connecting rod B14, pivoted arm D15, spring C16 and wire rope 17.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment 1, and as shown in Figure 1, Figure 2 with shown in Fig. 3, the utility model is a kind of fire-fighting fire-proof valve, comprises valve body 1, actuator 2, haulage gear, rocking handle mechanism and ratchet mechanism; Described valve body 1 side is fixedly installed actuator 2 and rocking handle mechanism; Described haulage gear is made up of pivoted arm A4, connecting rod A5, pivoted arm B6 and spring A7; Described pivoted arm A4 is fixedly connected with actuator 2 by sharf A3, and pivoted arm A4 movable end is in transmission connection by connecting rod A5 and pivoted arm B6 one end, and the pivoted arm B6 the other end is drawn by spring A7, and spring A7 is fixedly installed on valve body 1; Described rocking handle mechanism is made up of handle 8, pivoted arm C9 and spring B 10; Described handle 8 is fixedly connected with pivoted arm C9 one end, pivoted arm C9 the other end linking springs B10, and spring B 10 is fixedly installed on valve body 1; Described ratchet mechanism is made up of ratchet 12, ratchet 13, connecting rod B14, pivoted arm D15 and spring C16; Described ratchet 12 coordinates with ratchet 13 gear, and ratchet 13 fixed end is in transmission connection by connecting rod B14 and pivoted arm D15 movable end; Pivoted arm D15 fixed end is fixedly connected on valve body 1; Described pivoted arm D15 movable end is connected with ratchet 12 movable end by spring C16, and described ratchet 12 movable end is connected with pivoted arm A4 movable end by wire rope 17; Described handle 8 is connected with ratchet 12 fixed end by sharf B11.
The using process of this fire-fighting fire-proof valve: one group of blade is opened by the man-operated mechanism in actuator 2 by the fire prevention class valve be arranged on gas exhaust duct, another group blade drives the ratchet 12 in ratchet mechanism and ratchet 13 gear to fasten by handle 8 and opens; Work as breaking out of fire, in gas exhaust duct, flue-gas temperature reaches the fusing-off temperature of the meltable bar low melting alloy in actuator 2, meltable bar disconnects, actuator 2 action, haulage gear action is made by sharf A3, haulage gear drives the ratchet 12 in ratchet mechanism and ratchet 13 to separate by wire rope 17 simultaneously, and Non-follow control group blade is closed, and fire-closing valve blocks air.Rocking handle mechanism is running into fire, plays return action when vane group is closed to handle 8.This valve effectively prevent the general fire-closing valve in market when running into fire, and one or more actuator breaks down akinesia, can not play fire-fighting effect; Structure is simple, and the response that performs an action is fast, and rapidly and effectively blocked air, preventing spreading further of fire, is a kind of effective firefighting security device; Deduct cost much higher actuator in process of production simultaneously, greatly saved enterprise's cost of production, promote the market competitiveness.
Embodiment 2, optimal design is made to the quantity of ratchet on ratchet 13 in the basis of embodiment 1, described ratchet 13 is provided with one or five ratchets, ratchet 13 being arranged a ratchet is realize vane group to open completely or ratchet 13 is arranged respectively and the angle of swing 30 ° of actuator 2,45 °, 60 °, 75 ° and 90 ° of suitable five ratchets, adjustable vane opening angle, reaches the object controlling air force; Actuator 2 is by realizing transmission between sharf A3 and ratchet mechanism.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (2)
1. a fire-fighting fire-proof valve, is characterized in that: comprise valve body (1), actuator (2), haulage gear, rocking handle mechanism and ratchet mechanism; Described valve body (1) side is fixedly installed actuator (2) and rocking handle mechanism; Described haulage gear is by pivoted arm A(4), connecting rod A(5), pivoted arm B(6) and spring A(7) form; Described pivoted arm A(4) by sharf A(3) be fixedly connected with actuator (2), pivoted arm A(4) movable end is by connecting rod A(5) with pivoted arm B(6) one end is in transmission connection, pivoted arm B(6) the other end is by spring A(7) traction, spring A(7) be fixedly installed on valve body (1); Described rocking handle mechanism is by handle (8), pivoted arm C(9) and spring B (10) form; Described handle (8) and pivoted arm C(9) one end is fixedly connected with, pivoted arm C(9) the other end linking springs B(10), spring B (10) is fixedly installed on valve body (1); Described ratchet mechanism is by ratchet (12), ratchet (13), connecting rod B(14), pivoted arm D(15) and spring C(16) form; Described ratchet (12) coordinates with ratchet (13) gear, and ratchet (13) fixed end is by connecting rod B(14) with pivoted arm D(15) movable end is in transmission connection; Pivoted arm D(15) fixed end is fixedly connected on valve body (1); Described pivoted arm D(15) movable end is by spring C(16) be connected with ratchet (12) movable end, described ratchet (12) movable end passes through wire rope (17) and pivoted arm A(4) movable end is connected; Described handle (8) is by sharf B(11) be connected with ratchet (12) fixed end.
2. a kind of fire-fighting fire-proof valve according to claim 1, is characterized in that: described ratchet (13) is provided with one or five ratchets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520685318.8U CN204961992U (en) | 2015-09-07 | 2015-09-07 | Fire control fire prevention valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520685318.8U CN204961992U (en) | 2015-09-07 | 2015-09-07 | Fire control fire prevention valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204961992U true CN204961992U (en) | 2016-01-13 |
Family
ID=55057061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520685318.8U Expired - Fee Related CN204961992U (en) | 2015-09-07 | 2015-09-07 | Fire control fire prevention valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204961992U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048272A (en) * | 2021-03-27 | 2021-06-29 | 浙江尚扬通风设备有限公司 | Smoke-discharging fire-proof valve |
-
2015
- 2015-09-07 CN CN201520685318.8U patent/CN204961992U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048272A (en) * | 2021-03-27 | 2021-06-29 | 浙江尚扬通风设备有限公司 | Smoke-discharging fire-proof valve |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20160907 |