CN213809072U - Fireproof flue valve - Google Patents

Fireproof flue valve Download PDF

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Publication number
CN213809072U
CN213809072U CN202021399468.XU CN202021399468U CN213809072U CN 213809072 U CN213809072 U CN 213809072U CN 202021399468 U CN202021399468 U CN 202021399468U CN 213809072 U CN213809072 U CN 213809072U
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plate
valve
connecting rod
rocker arm
arm connecting
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CN202021399468.XU
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Chinese (zh)
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钟汉华
刘从义
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Individual
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Abstract

The utility model relates to a fireproof flue valve, which comprises a valve body, a valve block, a mounting seat, a fusing limit part, a lever piece and a rocker arm connecting rod; the valve body is provided with an exhaust port, and the exhaust port is provided with a valve plate for opening and closing; the valve plate is connected with the rocker connecting rod; the mounting seat is fixed on the valve body and comprises a side plate A and a side plate B which are parallel, the side plate A and the side plate B are connected through a bottom plate, and a mounting plate is arranged on the side plate A; a limiting plate and a limiting groove are respectively arranged at two ends of the lever piece, one end of the mounting plate is hinged with the limiting groove end of the lever piece, and a fusing limiting part is fixedly mounted at the other end of the mounting plate; rocker arm connecting rod and lock piece pass through the axle and articulate on the mount pad, epaxial elastomer A of installing, elastomer A's one end is fixed on the mount pad, and other end joint is on the lock piece, the lock piece is used for locking rocker arm connecting rod. Realize the injecing to the rocking arm connecting rod position through the locking piece, avoid the intensity of a fire to stretch.

Description

Fireproof flue valve
Technical Field
The utility model relates to a house exhaust flue technical field, concretely relates to fire prevention flue valve.
Background
The fireproof flue valve comprises a valve body, a valve block, a connecting rod, a shifting rod, a fusing limiting part and an elastic element, wherein an exhaust port is formed in the valve body, the valve block is covered on the exhaust port, the valve block is connected with the valve body through the connecting rod, the shifting rod is rotatably connected with the valve body, the fusing limiting part is fixed on the valve body, one end of the elastic element is fixedly connected with the valve body, the other end of the elastic element is connected with the shifting rod and drives the shifting rod to abut against the fusing limiting part, and after the fusing limiting part acts, the elastic element drives the shifting rod to rotate relative to the valve body and extrudes the connecting rod so that the connecting rod closes the exhaust port through the valve block; when the fuse limiting part acts and the elastic element is continuously heated to lose elasticity under high temperature, the deflector rod is easily separated from the connecting rod under the blowing of air flow in the air.
When the deflector rod is separated from the connecting rod under the blowing of the air flow, the valve plate drives the connecting rod to rotate relative to the valve body under the blowing of the air flow so as to open the exhaust port. This will cause the fire check valve to lose its fire and smoke protection function in high temperature environments.
SUMMERY OF THE UTILITY MODEL
The utility model discloses drive the connecting rod rotation under the air current blows to valve block among the prior art, lead to the fire prevention to separate the problem that the cigarette became invalid, provide a take locking structure's fire prevention flue valve.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a fireproof flue valve comprises a valve body, a valve plate, a mounting seat, a fusing limiting part, a lever plate and a rocker arm connecting rod;
the valve body is provided with an exhaust port, and the exhaust port is provided with a valve plate for opening and closing;
the valve plate is connected with the rocker connecting rod;
the mounting seat is fixed on the valve body and comprises a side plate A and a side plate B which are parallel, the side plate A and the side plate B are connected through a bottom plate, and a mounting plate is arranged on the side plate A; a limiting plate and a limiting groove are respectively arranged at two ends of the lever piece, one end of the mounting plate is hinged with the limiting groove end of the lever piece, and a fusing limiting part is fixedly mounted at the other end of the mounting plate;
rocker arm connecting rod and lock piece pass through the axle and articulate on the mount pad, epaxial elastomer A of installing, elastomer A's one end is fixed on the mount pad, and other end joint is on the lock piece, the lock piece is used for locking rocker arm connecting rod.
The utility model has the advantages that: the valve plate is driven to move by hinging the rocker arm connecting rod with the mounting seat, so that the opening and closing of the exhaust port are realized, the structure is simple, and the operation is convenient; realize the injecing to the rocker arm connecting rod position through setting up the lock plate, avoid the valve block of being connected with the rocker arm connecting rod to rotate to avoid the valve block to open, avoid the intensity of a fire to stretch, guarantee the effect that the fire prevention separates the cigarette.
On the basis of the technical scheme, the utility model discloses a reach the convenience of use and the stability of equipment, can also make following improvement to foretell technical scheme:
furthermore, the locking piece is hinged to the mounting seat through a shaft A, and the elastic body A is mounted on the shaft A; the rocker arm connecting rod is hinged on the mounting seat through a shaft B.
The beneficial effect of adopting the further technical scheme is that: through setting up lock plate and rocking arm connecting rod on different axles, simple to operate.
Further, an elastic body B is installed on the shaft B, one end of the elastic body B is fixed on the side plate B, and the other end of the elastic body B is clamped on the rocker arm connecting rod.
The beneficial effect of adopting the further technical scheme is that: through with elastomer B joint on the rocker connecting rod to guarantee the normal reset of rocker connecting rod, guarantee the normal opening and shutting of gas vent promptly.
Further, the tip of curb plate B is equipped with the ascending recess of opening, elastomer B joint is in the recess.
The beneficial effect of adopting the further technical scheme is that: through set up the ascending recess of opening on curb plate B to avoid elastomer B to slide on the mount pad, guarantee the fastness of joint.
Furthermore, the rocker arm connecting rod is provided with a clamping protrusion, and the clamping protrusion and the valve plate are respectively positioned at two ends of the rocker arm connecting rod.
The beneficial effect of adopting the further technical scheme is that: the clamping firmness of the locking sheet can be ensured by arranging the clamping bulge; the clamping protrusions and the valve plates are arranged at the two ends of the rocker arm connecting rod respectively, so that the force arm of the locking piece is increased, and the size of force required to be applied by the locking piece is reduced.
Further, the tip of rocking arm connecting rod is equipped with the arc arch, the arc arch is connected and is located the bellied upper portion of joint with the joint arch.
The beneficial effect of adopting the further technical scheme is that: the smooth and easy nature of lock piece joint is guaranteed through the arc arch that sets up and joint arch is connected, plays the guide effect to the lock piece simultaneously, takes place the skew when avoiding the lock piece joint.
Further, the fusing limiting part comprises a fixed seat plate and a limiting plate A which are welded through fusing agents, and the fixed seat plate and/or the limiting plate A are L-shaped.
The beneficial effect of adopting the further technical scheme is that: the firmness of connection can be guaranteed by setting the fusing limiting part into an L shape, and the fusing limiting part is convenient to install.
Further, the fusing limiting part is a temperature sensing metal sheet.
The beneficial effect of adopting the further technical scheme is that: the fusing limiting part is set to be the temperature sensing metal sheet, so that heat transfer is fast, the fusing limiting part is guaranteed to be disconnected within a specified time, and fire spreading is avoided.
Further, the mounting seat is fixed on the inner wall of the valve body.
The beneficial effect of adopting the further technical scheme is that: according to the requirement of the actual installation position of the flue valve, the installation seat can be installed at any position of the inner wall of the valve body so as to realize the upward opening, downward opening or side opening of the valve plate and increase the application range of the fireproof flue valve.
Drawings
FIG. 1 is a schematic view of the structure of a flue valve of the present application when open;
FIG. 2 is a schematic side view of a flue valve;
FIG. 3 is a schematic structural view of a rocker link;
FIG. 4 is a schematic view of the structure of the flue valve when closed;
FIG. 5 is a schematic view of a lever plate;
fig. 6 is a schematic view showing a state of use in which the mount is fixed to the side of the valve body.
The reference numbers are recorded as follows: the valve comprises a valve body 1, a valve plate 2, an exhaust port 3, a mounting seat 4, a side plate A4-1, a side plate B4-2, a bottom plate 4-3, a fusing limiting piece 5, a lever piece 6, a limiting plate 6-1, a limiting groove 6-2, a rocker connecting rod 7, a clamping protrusion 7-1, an arc protrusion 7-2, a locking piece 8, an elastic body A9, an elastic body B10, a shaft A11 and a shaft B12.
Detailed Description
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or assembly must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 6, a fireproof flue valve comprises a valve body 1, a valve plate 2, a mounting seat 4, a fusing limit part 5, a lever plate 6 and a rocker arm connecting rod 7;
the valve body 1 is provided with an exhaust port 3, and the exhaust port 3 is provided with a valve plate 2 for opening and closing;
the valve plate 2 is connected with a rocker connecting rod 7;
the mounting seat 4 is fixed on the valve body 1, the mounting seat 4 comprises a side plate A4-1 and a side plate B4-2 which are parallel, the side plate A4-1 and the side plate B4-2 are connected through a bottom plate 4-3, and a mounting plate is arranged on the side plate A4-1; a limiting plate 6-1 and a limiting groove 6-2 are respectively arranged at two ends of the lever sheet 6, one end of the mounting plate is hinged with the end of the limiting groove 6-2 of the lever sheet 6, and a fusing limiting part 5 is fixedly mounted at the other end of the mounting plate; the fusing stopper 5 may be installed on the fixing plate by a bolt, a screw, or the like.
Rocker arm connecting rod 7 and lock piece 8 pass through the axle and articulate on mount pad 4, epaxial elastomer A9 of installing, the one end of elastomer A9 is fixed on mount pad 4, and the other end joint is on lock piece 8, lock piece 8 is used for locking rocker arm connecting rod 7. The locking piece 8 is an arc locking piece.
The locking piece 8 is hinged on the mounting seat 4 through a shaft A9, and the elastic body A9 is mounted on the shaft A11; the rocker link 7 is articulated on the mounting 4 by means of a shaft B12.
An elastic body B10 is installed on the shaft B12, one end of the elastic body B10 is fixed on the side plate B, and the other end of the elastic body B10 is clamped on the rocker arm connecting rod.
The end part of the side plate B is provided with a groove with an upward opening, and the elastic body B is clamped in the groove. The grooves can be multiple, so that the pretightening force of the elastic body B can be adjusted conveniently, and the application range of the flue valve is widened.
The rocker arm connecting rod 7 is provided with a clamping bulge 7-1, and the clamping bulge 7-1 and the valve plate 2 are respectively positioned at two ends of the rocker arm connecting rod 7.
The end part of the rocker arm connecting rod 7 is provided with an arc-shaped bulge 7-2, and the arc-shaped bulge 7-2 is connected with the clamping bulge 7-1 and is positioned at the upper part of the clamping bulge 7-1.
Fusing locating part 5 includes fixed bedplate and limiting plate A through fusing agent welded, fixed bedplate and/or limiting plate A are the L type. The limiting plate a may also be in other shapes, and is not limited herein. The fusing agent is brazing filler metal, and the fusing limiting part 5 is a temperature sensing metal sheet.
The mounting seat 4 is fixed on the inner wall of the valve body 1. The mounting seat 4 can be mounted at any position of the inner wall of the valve body 1 according to the use requirement, preferably at the bottom and the side of the valve body 1, so as to realize the upward opening or the side opening of the valve plate 2 (see fig. 6).
The elastic body A11 and the elastic body B10 are torsion springs.
When the fusing limiting part 5 does not act, the locking piece 8 is connected with the limiting groove 6-2 of the lever piece 6 and drives the lever piece 6 to abut against the fusing limiting part 5; after the fusing limiting part 5 acts, the locking piece 8 is connected to the rocker arm connecting rod 7 in a clamped mode. Fusing locating part 5 moves and is meant that the brazing filler metal is heated and leads to fixed bedplate and limiting plate A to separate promptly, fusing locating part 5 loses the resistance to lever piece 6, and lever piece 6 takes place to rotate under the drive power of locking piece 8, and the final joint of locking piece 8 is on rocker connecting rod 7.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (9)

1. A fireproof flue valve is characterized by comprising a valve body, a valve plate, a mounting seat, a fusing limiting part, a lever plate and a rocker arm connecting rod;
the valve body is provided with an exhaust port, and the exhaust port is provided with a valve plate for opening and closing;
the valve plate is connected with the rocker connecting rod;
the mounting seat is fixed on the valve body and comprises a side plate A and a side plate B which are parallel, the side plate A and the side plate B are connected through a bottom plate, and a mounting plate is arranged on the side plate A; a limiting plate and a limiting groove are respectively arranged at two ends of the lever piece, one end of the mounting plate is hinged with the limiting groove end of the lever piece, and a fusing limiting part is fixedly mounted at the other end of the mounting plate;
rocker arm connecting rod and lock piece pass through the axle and articulate on the mount pad, epaxial elastomer A of installing, elastomer A's one end is fixed on the mount pad, and other end joint is on the lock piece, the lock piece is used for locking rocker arm connecting rod.
2. The fire protection flue valve of claim 1 wherein the locking tab is hinged to the mounting base by an axis A, the elastomer A being mounted on the axis A; the rocker arm connecting rod is hinged on the mounting seat through a shaft B.
3. The fire prevention flue valve of claim 1, wherein an elastic body B is mounted on the shaft B, one end of the elastic body B is fixed on the side plate B, and the other end of the elastic body B is clamped on the rocker arm connecting rod.
4. The fire-proof flue valve as claimed in claim 3, wherein the end of the side plate B is provided with a groove with an upward opening, and the elastic body B is clamped in the groove.
5. The fireproof flue valve of claim 1, wherein the rocker arm connecting rod is provided with a clamping protrusion, and the clamping protrusion and the valve plate are respectively located at two ends of the rocker arm connecting rod.
6. The fireproof flue valve of claim 5, wherein the end of the rocker arm connecting rod is provided with an arc-shaped protrusion, and the arc-shaped protrusion is connected with the clamping protrusion and is located at the upper part of the clamping protrusion.
7. The fire protection flue valve of claim 1, wherein the fuse limiting member comprises a fixed seat plate and a limiting plate A welded by a fuse agent, and the fixed seat plate and/or the limiting plate A are L-shaped.
8. The fire protection flue valve of claim 7 wherein the fuse stop is a temperature sensitive metal sheet.
9. A fire damper as claimed in claim 1, wherein the mounting block is secured to an inner wall of the valve body.
CN202021399468.XU 2020-07-16 2020-07-16 Fireproof flue valve Active CN213809072U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021399468.XU CN213809072U (en) 2020-07-16 2020-07-16 Fireproof flue valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021399468.XU CN213809072U (en) 2020-07-16 2020-07-16 Fireproof flue valve

Publications (1)

Publication Number Publication Date
CN213809072U true CN213809072U (en) 2021-07-27

Family

ID=76931815

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021399468.XU Active CN213809072U (en) 2020-07-16 2020-07-16 Fireproof flue valve

Country Status (1)

Country Link
CN (1) CN213809072U (en)

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