CN206338422U

CN206338422U - A kind of fire resisting damper

Info

Publication number: CN206338422U
Application number: CN201621392187.5U
Authority: CN
Inventors: 陈�峰
Original assignee: Shangyu Shaoxing Joyoung Blower Co Ltd
Current assignee: Shangyu Shaoxing Joyoung Blower Co Ltd
Priority date: 2016-12-16
Filing date: 2016-12-16
Publication date: 2017-07-18
Anticipated expiration: 2026-12-16

Abstract

The utility model discloses a kind of fire resisting damper, including valve body, the multiple rotating shafts being rotatably connected in the valve body, the blade for being arranged in the rotating shaft and mutually linking, the upper and lower ends of the blade are coated with the first cushion, the arc block protruded towards the blade side is provided with the inwall of the valve body upper and lower ends, when valve body described in the vanes close, the first cushion stress on the blade is pushed against on the arc block after occurring elastic deformation.The utility model has advantages below and effect：Offseted by the first cushion and arc block on blade so that preferably, while the first cushion on blade with blade when rotating, the frictional force between arc block is also smaller, can facilitate moving blade for the sealing property between blade and arc block；Catch can also eliminate the gap between blade and valve body both sides inwall so that the fluid passed through from fire resisting damper is more stablized.

Description

A kind of fire resisting damper

Technical field

The utility model is related to fire-fighting equipment, more particularly to a kind of fire resisting damper.

Background technology

At present, Authorization Notice No. is CN205689771U, and authorized announcement date is public for the Chinese patent on November 16th, 2016 A kind of fire resisting damper, including valve body, the multiple rotating shafts being arranged on the valve body and the blade being arranged in the rotating shaft have been opened, The side of blade is provided with installing pipe, installing pipe to be provided with limit shaft, installing pipe towards adjacent blades grafting sliding and also set The elastic component for contradicting and resetting limit shaft is equipped with, when adjacent blade is contradicted to when being moved towards installing pipe, limit shaft direction is installed Pipe is moved and elastic component is in compressive state, and when adjacent blade laminating, elastic component is resetted, and limit shaft is contradicted in adjacent blades End face.

In the design of this fire resisting damper, in order to reduce the frictional force between blade upper and lower ends and valve body, so as to turn The two ends of axle are provided with bearing, and make it that bearing protrudes from valve body, so that the upper and lower ends of blade are mutually divided with valve body From, but cause and gap is left between the upper and lower ends of blade and valve body so that the fire protecting performance reduction of fire resisting damper.

Utility model content

The purpose of this utility model is to provide a kind of fire resisting damper, while good sealing property is ensured and between valve body Frictional force is smaller.

Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of fire resisting damper, including Valve body, the multiple rotating shafts being rotatably connected in the valve body, it is arranged on the blade linked in the rotating shaft and mutually, the blade Upper and lower ends be coated with the first cushion, the inwall of the valve body upper and lower ends and be provided with towards the blade side The arc block of protrusion, when valve body described in the vanes close, elastic deformation occurs for the first cushion stress on the blade After push against on the arc block.

By using such scheme, the upper and lower ends of blade are inconsistent by the first cushion and arc block on valve body, So that the first cushion on blade can eliminate the gap between blade and arc block after stress is deformed upon, so as to improve The sealing of fire resisting damper；Simultaneously because arc block protrudes towards the side of blade so that the first cushion on blade only can be with arc Place most prominent is in contact on shape block, so as to reduce frictional force of the blade in rotation between arc block so that While ensureing runner sealing, frictional force when blade is rotated can be reduced again.

It is of the present utility model to be further arranged to：The axle connected for the axis of rotation is fixedly connected with the arc block Hold, the bearing is in the same plane close to the end face and peak that the arc block is protruded above of the blade.

By using such scheme, bearing is generally aligned in the same plane close to the peak that the end face and arc block of blade are protruded above On so that bearing does not interfere with sealing when arc block and the conflict of the first cushion.

It is of the present utility model to be further arranged to：Catch is equipped with the both sides inwall of the valve body, when blade envelope When closing the valve body, the blade described in both sides is contradicted on the catch described in both sides respectively.

By using such scheme, in vanes close valve body, blade and catch are inconsistent, so that catch can disappear Except the gap between the blade and valve body of both sides, so as to further improve the sealing of fire resisting damper.

It is of the present utility model to be further arranged to：The catch is provided with the second elasticity on the end face of the blade Pad.

By using such scheme, the second cushion set on the end face of blade can increase close between blade and catch Feng Xing.

It is of the present utility model to be further arranged to：Linkage block, the linkage block have been fixedly connected with multiple blades On be rotatably connected to linkage piece, the multiple one end of the linkage piece away from the linkage block are fixedly connected with gangbar.

By using such scheme, linkage piece is fixed in gangbar, while linkage piece is hinged in linkage block so that when When one blade is rotated, all blades can be rotated synchronously.

It is of the present utility model to be further arranged to：The upper end of any one of rotating shaft protrudes from the valve body, positioned at institute State rotating shaft and protrude from one end of the valve body and be fixedly connected with handle, be provided between the valve body and the handle for fixing The keeper of the rotating shaft position.

By using such scheme, the handle in rotating shaft can facilitate rotating shaft, so that being fixed on the rotating shaft On blade can be rotated, finally realize that the angle of the blade to mutually linking is adjusted；Keeper also can simultaneously The position of countershaft is positioned so that valve body is in closing, and rotating shaft will not also loosen, so as to increase adjacent blades Between sealing.

It is of the present utility model to be further arranged to：The keeper includes the fixation being fixedly connected on the valve body Frame, the multiple screwed holes being arranged on the fixed mount, it is threaded on the handle and can be threaded connection with any described Bolt in screwed hole, multiple screwed holes are on same camber line, and the center of circle of the camber line, which is located at, protrudes from the valve body The rotating shaft axle center on.

By using such scheme, by the way that the bolt being threaded on handle to be connected to different screwed holes It is interior so that rotating shaft can be fixed on different positions by handle, realize the multistage regulation of ventilation；Fixed simultaneously to handle Afterwards, rotating shaft will not also loosen, and can increase sealing during valve body closed state.

In summary, the utility model has the advantages that：Pass through the first cushion on blade and arc block phase Push against so that the sealing property between blade and arc block is preferable, while the first cushion on blade is rotated with blade When, the frictional force between arc block is also smaller, can facilitate moving blade；Catch can be also eliminated in blade and valve body both sides Gap between wall.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the structural representation at A in the utility model Fig. 1；

Fig. 3 is the structural representation at B in the utility model Fig. 1；

Fig. 4 is the structural representation at C in the utility model Fig. 1.

In figure：1st, valve body；2nd, rotating shaft；3rd, blade；4th, the first cushion；5th, arc block；6th, bearing；7th, catch；8th, second Cushion；9th, linkage block；10th, linkage piece；11st, gangbar；12nd, handle；13rd, keeper；131st, fixed mount；132nd, screwed hole； 133rd, bolt.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

A kind of fire resisting damper, as shown in Fig. 1 to Fig. 2, includes valve body 1, is welded with the inwall of the upper end of valve body 1 towards valve The arc block 5 of the lower end of body 1 protrusion, is welded with the arc block 5 protruded towards the upper end of valve body 1, two on the inwall of the lower end of valve body 1 The structure of arc block 5 is identical.On the arc block 5 of both sides up and down, it is symmetrically installed with by the way of interference fit many Individual bearing 6, up and down two relative to bearing 6 between interference fit have rotating shaft 2, blade 3 is welded with rotating shaft 2.Bearing 6 The end face of close blade 3 and the peak that arc block 5 protrudes are in the same plane.

As depicted in figs. 1 and 2, the first cushion 4 is enclosed with the upper and lower ends of blade 3, the first cushion 4 has rubber Material is made and is fixed on by way of glue is bonded on blade 3.In blade 3, as rotating shaft 2 is turned to, whole tower body is closed State when, first one end of cushion 4 away from blade 3 be pushed against it is on arc block 5 and with after the stress of the first cushion 4 send out Raw elastic deformation, so as to eliminate the gap between the upper and lower ends of blade 3 and valve body 1.

The mode welded in the both sides of valve body 1 is provided with catch 7, when blade 3 turns to closed valve 1, the leaf of side Piece 3 is contradicted on the catch 7 of side, and the blade 3 of opposite side is contradicted on another catch 7, and the blade 3 of both sides is used to contradict gear The end face of piece 7 is diverse location.It is used for the end face for contradicting blade 3 in catch 7, the second cushion is bonded with also by glue 8, the second cushion 8 is also to have what elastomeric material made, by increasing capacitance it is possible to increase the sealing between blade 3 and the inwall both sides of valve body 1.

As shown in figures 1 and 3, linkage block 9 is welded with multiple blades 3, bearing pin is passed through in linkage block 9（In figure Do not mark）Linkage piece 10 is rotatably connected to, linkage piece 10 is welded on same gangbar 11 away from the other end for rotating connection end On so that when a blade 3 is rotated, it can synchronously drive multiple blades 3 to be rotated together.

It is the upper end for protruding from valve body 1 in the upper end of the rotating shaft 2 positioned at middle part as shown in 1 and Fig. 4, it is prominent in the rotating shaft 2 Pass through bolt on one end for valve body 1（Do not marked in figure）A handle 12 is tightened, handle 12 can facilitate rotating shaft 2.The keeper 13 for fixed handle 12 is additionally provided between handle 12 on valve body 1.Keeper 13, which includes, to be welded on Fixed mount 131 on valve body 1, the multiple screwed holes 132 being opened on fixed mount 131, it is threadedly coupled on the handle 12 and can spiral shell Line is connected to the bolt 133 being fixed in any one screwed hole 132, and multiple screwed holes 132, should on same camber line The center of circle of camber line is located on the axle center for the rotating shaft 2 for protruding from the valve body 1.

This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but As long as all being protected in right of the present utility model by Patent Law.

Claims

1. a kind of fire resisting damper, including valve body（1）, be rotatably connected on the valve body（1）Interior multiple rotating shafts（2）, be arranged on it is described Rotating shaft（2）Blade that is upper and mutually linking（3）, it is characterised in that：The blade（3）Upper and lower ends be coated with first elasticity Pad（4）, the valve body（1）It is provided with the inwall of upper and lower ends towards the blade（3）The arc block of side protrusion（5）, When the blade（3）Close the valve body（1）When, the blade（3）On the first cushion（4）Stress occurs after elastic deformation Push against in the arc block（5）On.

2. a kind of fire resisting damper according to claim 1, it is characterised in that：The arc block（5）Inside it is fixedly connected with and supplies institute State rotating shaft（2）Rotate the bearing of connection（6）, the bearing（6）Close to the blade（3）End face and the arc block（5）On The peak of protrusion is in the same plane.

3. a kind of fire resisting damper according to claim 2, it is characterised in that：The valve body（1）Both sides inwall on be equipped with Catch（7）, when the blade（3）Close the valve body（1）When, the blade described in both sides（3）Contradict respectively described in both sides Catch（7）On.

4. a kind of fire resisting damper according to claim 3, it is characterised in that：The catch（7）Close to the blade（3）End The second cushion is provided with face（8）.

5. a kind of fire resisting damper according to claim 1, it is characterised in that：Multiple blades（3）On be fixedly connected with Linkage block（9）, the linkage block（9）On be rotatably connected to linkage piece（10）, multiple linkage pieces（10）Away from the linkage Block（9）One end be fixedly connected with gangbar（11）On.

6. a kind of fire resisting damper according to claim 5, it is characterised in that：Any one of rotating shaft（2）Upper end protrude In the valve body（1）, positioned at the rotating shaft（2）Protrude from the valve body（1）One end be fixedly connected with handle（12）, the valve Body（1）With the handle（12）Between be provided with for fixing the rotating shaft（2）The keeper of position（13）.

7. a kind of fire resisting damper according to claim 6, it is characterised in that：The keeper（13）Include and be fixedly connected on The valve body（1）On fixed mount（131）, be arranged on the fixed mount（131）On multiple screwed holes（132）, threaded connection In the handle（12）Go up and can be threaded connection with any screwed hole（132）Interior bolt（133）, multiple spiral shells Pit（132）On same camber line, the center of circle of the camber line, which is located at, protrudes from the valve body（1）The rotating shaft（2）Axle center on.