CN212672412U - Stretching type fire prevention smoke damper - Google Patents
Stretching type fire prevention smoke damper Download PDFInfo
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- CN212672412U CN212672412U CN202021456502.2U CN202021456502U CN212672412U CN 212672412 U CN212672412 U CN 212672412U CN 202021456502 U CN202021456502 U CN 202021456502U CN 212672412 U CN212672412 U CN 212672412U
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Abstract
The utility model relates to a fire prevention smoke damper technical field especially relates to a tensile formula fire prevention smoke damper, including the valve body, the choke plate, solenoid, the up end of valve body is provided with the locating piece through the bolt fastening, has seted up the through-hole on the locating piece and has worn to be equipped with the push rod, the pole wall cover of push rod is equipped with spring one, the fixed connecting plate that is equipped with of terminal surface under the push rod, the both sides of connecting plate are provided with the connecting rod, hinged joint is passed through with the one end of connecting rod to the connecting plate, connecting plate bilateral structure symmetry, the one end fixed mounting that the other end of the connecting rod of connecting plate one side has. Use slide rail and choke plate adaptation work can obtain longer life through this device, paste the air intake when can making the choke plate close, the leakproofness of valve when guaranteeing to discharge fume adopts solenoid circular telegram simultaneously to make the valve close rapidly, and in time the loss is stopped, effectively ensures public safety.
Description
Technical Field
The utility model relates to a fire prevention smoke damper technical field especially relates to a tensile formula fire prevention smoke damper.
Background
The smoke-discharging fire-resisting valve is a fire-resisting component, generally mounted on the pipeline of mechanical smoke-discharging system, usually is in open state, when fire hazard occurs, it can be opened to discharge smoke, and when the smoke temp. in the smoke-discharging pipeline is reached to 280 deg.C, it can be closed, and can meet the requirements of smoke-leaking quantity and fire-resisting integrity in a certain time so as to implement the functions of isolating smoke and resisting fire.
The existing smoke-discharging fire-resisting valve rotating vane realizes the device sealing by rotating in the frame, so that a gap exists at the joint of the rotating vane and the frame, certain air leakage is caused, the sealing performance of the device is influenced, and resistance is generated when the valve block of the smoke-discharging fire-resisting valve is opened in a large rotating mode due to the fact that the valve block at the valve opening of the smoke-discharging fire-resisting valve is cylindrical, a force point does not exist in the relative rotating displacement process, so that the mechanism is completely failed, and the valve cannot be normally opened.
In order to solve the problems, a stretching type fireproof smoke exhaust valve is provided.
Disclosure of Invention
The utility model aims at solving the defects existing in the prior art and providing a stretching type fireproof smoke exhaust valve.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a tensile fireproof smoke exhaust valve comprises a valve body, a choke plate and an electromagnetic coil, wherein a positioning block is fixedly arranged on the upper end face of the valve body through a bolt, a through hole is formed in the positioning block, a push rod penetrates through the positioning block, a first spring is sleeved on a rod wall of the push rod, a connecting plate is fixedly arranged on the lower end face of the push rod, connecting rods are arranged on two sides of the connecting plate and are connected with one ends of the connecting rods through hinges, the two sides of the connecting plate are symmetrical in structure, the other end of the connecting rod on one side of the connecting plate is connected with a sliding block through a sliding groove, one end of a protecting cover is fixedly arranged on the side wall of the choke plate, an iron core is arranged on one side of the choke plate, the electromagnetic coil is wound on the side wall of the iron core and is positioned inside the protecting cover, sliding rails are fixedly arranged, the fuse is located directly above the choke plate.
Preferably, one side of the positioning block and one side of the push rod are provided with positioning holes, and positioning rods matched with the positioning holes are arranged in a penetrating manner.
Preferably, a second spring is sleeved on the rod wall of the positioning rod.
Preferably, the side wall of the choke plate is provided with a sealing gasket, and the sealing gasket is positioned on the corresponding side of the protective cover.
Preferably, the air inlet of the valve body is smaller than the choke surface of the choke plate.
The utility model has the advantages that: through the tensile formula fire prevention smoke damper that this scheme provided, it adopts pivot and blade cooperation sealed to have solved traditional smoke damper, there is the air leakage when the closed condition, lead to closing not tight, simultaneously because the high temperature high pressure of the in-process of discharging fume leads to the pivot to produce the resistance, there is not the power point at relative rotation displacement in-process, the problem that the valve can't normally be opened, use slide rail and choke plate adaptation work to obtain longer life through this device, paste tight air intake when can making the choke plate close, guarantee the leakproofness of valve when discharging fume, adopt solenoid circular telegram simultaneously and can make the valve close rapidly, in time the loss stopping, effectively ensure public safety.
Drawings
FIG. 1 is a schematic view of a drawing-type fireproof smoke exhaust valve of the present invention;
fig. 2 is a schematic view of the bottom view structure of the stretching type fireproof smoke exhaust valve of the present invention;
fig. 3 is a schematic side view of the stretching type fireproof smoke exhaust valve of the present invention.
In the figure: the device comprises a valve body 1, a sliding rail 2, a choke plate 3, a connecting plate 4, a connecting rod 5, an electromagnetic coil 6, a protective cover 7, a sealing gasket 8, a spring I9, a push rod 10, a fuse 11, a positioning block 12, a spring II 13, a positioning rod 14 and an iron core 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-3, a stretching type fireproof smoke exhaust valve comprises a valve body 1, a choke plate 3 and an electromagnetic coil 6, wherein a positioning block 12 is fixedly arranged on the upper end face of the valve body 1 through a bolt, a through hole is formed in the positioning block 12 and a push rod 10 penetrates through the through hole, a spring I9 is sleeved on the rod wall of the push rod 10, a connecting plate 4 is fixedly arranged on the lower end face of the push rod 10, connecting rods 5 are arranged on two sides of the connecting plate 4, the connecting plate 4 is connected with one end of each connecting rod 5 through a hinge, the two sides of the connecting plate 4 are symmetrical in structure, the other end of each connecting rod 5 on one side of the connecting plate 4 is connected with a sliding block 7 through a sliding groove, one end of a protective cover 7 is fixedly arranged on the side wall of the choke plate 3, an iron core 15 is arranged on one side of the choke plate 3, the electromagnetic coil 6 is wound on the, the fuse 11 is arranged at the top end of the interior of the valve body 1, and the fuse 11 is located right above the choke plate 3.
Positioning holes are formed in one sides of the positioning block 12 and the push rod 10, a positioning rod 14 matched with the positioning holes penetrates through the positioning block, a second spring 13 is sleeved on the rod wall of the positioning rod 14, a sealing gasket 8 is arranged on the side wall of the choke plate 3, the sealing gasket 8 is located on the corresponding side of the protection cover 7, and the choke face of the air inlet of the valve body 1 is smaller than that of the choke plate 3.
The utility model discloses in, under normal operating condition, push rod 10 is fixed through locating lever 14, and push rod 10 passes through connecting plate 4 and 5 adaptations of connecting rod, makes and leaves the distance that supplies normal ventilation between choke plate 3 and the air intake.
The utility model discloses in, when exhaust gas temperature reached 280 ℃, high temperature can make fuse 11 blow, and the mode is opened and close to the valve, and solenoid 6 is by the circular telegram to make 15 magnetizes of iron core, produce the suction of certain intensity, can make choke plate 3 adsorb rapidly through slide rail 2 on the 1 inner wall of valve body, realize closing of valve, play and separate the cigarette back-fire relief effect.
The utility model discloses in, when meeting conflagration needs manual closing valve, manual pull open locating lever 14, make push rod 10 remove the location restriction, press push rod 10 with the hand, the one end of push rod 10 promotes connecting plate 4 and moves down, connecting plate 4 promotes connecting rod 5 and removes to both ends, thereby connecting rod 5 promotes safety cover 7, because safety cover 7 is installed on choke plate 3, event choke plate 3 removes through slide rail 2, make choke plate 3 plug up the air intake, the inner wall contact of choke plate 3 side and valve body is sealed, thereby realize closing the purpose of valve separation firework.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A stretching type fireproof smoke exhaust valve comprises a valve body (1), a choke plate (3) and an electromagnetic coil (6), and is characterized in that a positioning block (12) is fixedly arranged on the upper end face of the valve body (1) through bolts, a through hole is formed in the positioning block (12) and a push rod (10) is arranged in a penetrating mode, a first spring (9) is sleeved on a rod wall of the push rod (10), a connecting plate (4) is fixedly arranged on the lower end face of the push rod (10), connecting rods (5) are arranged on two sides of the connecting plate (4), the connecting plate (4) is connected with one end of each connecting rod (5) through a hinge, the two side structures of the connecting plate (4) are symmetrical, the other end of each connecting rod (5) on one side of the connecting plate (4) is connected with a sliding block (7) through a sliding groove, one end of each protecting cover (7) is fixedly arranged on the side wall of the choke, solenoid (6) are around establishing on iron core (15) lateral wall and being located inside safety cover (7), valve body (1) both sides wall is fixed and is provided with slide rail (2), and choke plate (3) are close to the both ends and slide rail (2) looks adaptation of valve body lateral wall, the inside top of valve body (1) is equipped with fuse (11), fuse (11) are located directly over choke plate (3).
2. The stretching type fireproof smoke exhaust valve according to claim 1, wherein one side of the positioning block (12) and the push rod (10) is provided with a positioning hole, and a positioning rod (14) matched with the positioning hole is arranged in a penetrating way.
3. The stretching type fireproof smoke exhaust valve according to the claim 2, wherein the rod wall of the positioning rod (14) is sleeved with a second spring (13).
4. A stretching-type fire and smoke prevention valve according to claim 1, wherein said choke plate (3) side wall is provided with a sealing gasket (8), and the sealing gasket (8) is located at the corresponding side of the protection cover (7).
5. The stretching type fireproof smoke exhaust valve according to the claim 1, wherein the wind inlet of the valve body (1) is smaller than the choke surface of the choke plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021456502.2U CN212672412U (en) | 2020-07-22 | 2020-07-22 | Stretching type fire prevention smoke damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021456502.2U CN212672412U (en) | 2020-07-22 | 2020-07-22 | Stretching type fire prevention smoke damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212672412U true CN212672412U (en) | 2021-03-09 |
Family
ID=74816695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021456502.2U Active CN212672412U (en) | 2020-07-22 | 2020-07-22 | Stretching type fire prevention smoke damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212672412U (en) |
-
2020
- 2020-07-22 CN CN202021456502.2U patent/CN212672412U/en active Active
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