CN205976362U - Board -like exhaust port of door hinge is closed in area - Google Patents

Abstract

The utility model discloses a board -like exhaust port of door hinge is closed in area, include: hollow square valve body, locate the valve body front end all around the frame and locate the valve body in the blade, be equipped with the square tube that is located the blade rear in the valve body, the both ends of square tube are fixed on the inner wall of the both sides of valve body, are equipped with at least one between blade and the square tube and close the door hinge. A hinge that closes in the door hinge is fixed in the middle of the back of blade, and another hinge that closes in the door hinge is fixed on the front of square tube. The utility model discloses mechanical structure is simple, and equipment and later maintenance are convenient.

Description

A kind of band closes the plate type flue gas exhaust of door hinge

Technical field

This utility model is related to plate type flue gas exhaust, and more particularly, to a kind of band closes the plate type flue gas exhaust of door hinge.

Background technology

Plate type flue gas exhaust is common to be arranged on the top board of aisle, on wall and smoke free lobby is it is also possible to be directly installed on exhausting duct End.The leaf switch state of plate type flue gas exhaust is manipulated by electronic executive item, and electronic executive item is generally connected with control centre, control Center processed receives the detection signal of smoke alarm, and when there being fire to occur, control centre sends order to electronic executive item, by Blade is opened and is discharged fume by electronic executive item.

Plate type flue gas exhaust has been occurred in that, such as notification number is the utility model patent of CN204728645U in prior art, It discloses a kind of full-auto plate fume outlet, including：Housing, the blade being arranged in housing and fully-automatic actuating mechanism, leaf Piece is connected to enclosure interior by connecting rod, and fully-automatic actuating mechanism is connected with connecting rod, and manipulates the switch of blade by connecting rod State.The structure of this plate type flue gas exhaust is complex, and the parts being related to comprise connecting rod, release link, drive link, reset tension spring Deng being unfavorable for assembling processing and the later maintenance of exhaust opening, its versatility is also poor.

Utility model content

For solving above-mentioned technical problem, the utility model proposes a kind of band closes the plate type flue gas exhaust of door hinge, this board-like row Mouth frame for movement is simple, is connected using closing door hinge, the switch motion of blade is flexible, the group of exhaust opening between blade and valve body Dress processing and later maintenance are all very convenient, are applicable to electronic plate type flue gas exhaust, full-auto plate fume outlet, long-range steel wire rope The isostructural product of plate type flue gas exhaust controlling.

The technical solution adopted in the utility model is to design the plate type flue gas exhaust that a kind of band closes door hinge, including：Hollow and Valve body, the frame located at valve body front end surrounding and the blade in valve body that profile is square, are provided with positioned at blade in valve body The side at rear leads to, and the logical two ends in side are fixed on the both sides inwall of valve body, blade and side logical between be provided with least one and close and close Page.The hinge closing in door hinge is fixed in the middle of the back side of blade, and another hinge side of being fixed on closing in door hinge just leads to On face.

Wherein, close door hinge to include：By jointed shaft two hinges being articulated and connected, the torsion spring being enclosed within jointed shaft, turn round The two ends of spring respectively with two gemel connections.

Preferably, it is further fixed on the upper limit plate positioned at the logical rear in side in valve body, close the torsional force urges blade of door hinge Top rotates backward, until the back side of blade is abutted with upper limit plate.

Preferably, when the back side of blade is abutted with upper limit plate, the angle between blade and valve body is 90 degree.

Preferably, the vertical bending backward of the surrounding of blade, is provided with U-board, the two ends of U-board are fixed in the middle of the back side of blade On blade, the centre of U-board is protruded backward, and the hinge closing door hinge is fixed on the salient position of U-board.

Preferably, it is further fixed on the lower limiting board positioned at square catharsis side in valve body, the back side of blade is abutted with lower limiting board When, the angle between blade and valve body is 0 degree.

Preferably, the back side of blade is provided with control device for pivoting, and control device for pivoting includes：Located at vacuum side of blade bottom The drawstring that pulley, the drawstring fixed mount being fixed on pulley rear, one end are fixed on drawstring fixed mount and the other end of drawstring pass The electronic executive item being dynamically connected, the middle part of drawstring bypasses pulley.

Preferably, control device for pivoting also includes：Directive wheel, directive wheel is located between pulley and drawstring fixed mount, drawstring Middle part bypass directive wheel and pulley successively, pulley, directive wheel and drawstring fixed mount are respectively positioned in the mid-plane of blade.

This utility model side of being fixed with valve body leads to, and blade passes through the door hinge side of being arranged on that closes common on the market and leads to On, make blade automatically in opened condition using the torsion closing door hinge, only need to by two hinges closing door hinge respectively during installation It is connected on blade and Fang Tong, frame for movement is simple, highly versatile, and is easy to the operation and maintenance of exhaust opening.Preferably, It is additionally provided with upper limit plate and lower limiting board, the slewing area keeping blade by two limiting plates is 0 ~ 90 degree in valve body.

Brief description

With reference to embodiment and accompanying drawing, this utility model is described in detail, wherein：

Fig. 1 is front schematic view of the present utility model；

Fig. 2 is schematic rear view of the present utility model；

Fig. 3 is fractionation schematic diagram of the present utility model；

Fig. 4 is internal structure side schematic view of the present utility model；

Fig. 5 is of the present utility model to close door hinge schematic diagram.

Specific embodiment

As shown in Figure 1, 2, the utility model proposes plate type flue gas exhaust, including：Valve body 1, frame 2, blade 3 and Fang Tong 4. As shown in Figure 3,4, valve body 1 is become the cubic framework of a hollow by assembly welding after Sheet Metal Processing molding, and frame 2 is by four pieces of things Material bending docking welding molding, together with frame 2 assembly welding, frame 2 is located at the front end surrounding of valve body 1, frame 2 to valve body 1 Inner side edge along valve body 1 inwall bending.

As shown in Figure 3,4, all in valve body 1, side logical 4 is located at the rear of blade 3 for blade 3 and Fang Tong 4, and side leads to the two of 4 End is welded together with valve body 1, is provided with least one and closes door hinge 5, as shown in figure 5, closing door hinge 5 between blade 3 and side logical 4 Including：By jointed shaft two hinges being articulated and connected, the torsion spring being enclosed within jointed shaft, the two ends of torsion spring respectively with two hinges Connect, two hinges are respectively the first hinge 51 and the second hinge 52.For the ease of description, with the front end of valve body 1 as front, after Hold as the back side, the first hinge 51 closing in door hinge 5 is fixed in the middle of the back side of blade 3, closes the second hinge 52 in door hinge 5 The side of being fixed on leads on 4 front, and hinge is fixed using tapping screw or self-plugging rivet, facilitates blade 3 assembly and disassembly.Close a conjunction The quantity of page 5 can be arranged according to the distance at blade 3 about two ends, when the distance is long, can arrange many between blade 3 and side logical 4 Individual close door hinge 5, with improve blade 3 switch stability.

Closing door hinge 5 is common rotary coupling member, directly can choose in the existing procucts from market, and this practicality is new The form of extension spring of the prior art, torsion spring or hinge is altered to hinge structure by type, and blade 3 switchs flexible and dismounting side Just, central air-conditioning ventilation and the maintenance within fire protection pipeline are conducive to.Close with closing of governor motion due to also existing on market Page, closes the torsion of door hinge and the anglec of rotation can be adjusted by governor motion, its concrete structure refers to notification number and is The utility model patent of CN201649937U or notification number utility model patent for CN204040722U etc..Preferably, in order to It is easy to the regulation of the blade anglec of rotation and rotary speed, in practical application, can be selected for the closure hinge with adjustment structure.

As shown in Figure 2,4, it is further fixed on the upper limit plate 6 positioned at logical 4 rears in side in valve body 1, the torsion closing door hinge 5 pushes away The top of movable vane piece 3 rotates backward, and until the back side of blade 3 is abutted with upper limit plate 6, is further fixed on positioned at side logical 4 in valve body 1 The lower limiting board 7 of lower section, when blade 3 is pulled back by external force, the back side of blade 3 is abutted with lower limiting board 7.Preferably, work as leaf When the back side of piece 3 is abutted with upper limit plate 6, the angle between blade 3 and valve body 1 be 90 degree so that blade 3 and valve body 1 upper Parallel below, the exhaust smoke level of exhaust opening reaches maximum.When the back side of blade 3 is abutted with lower limiting board 7, blade 3 and valve body 1 it Between angle be 0 degree so that blade 3 is parallel with the front-back of valve body 1, the exhaust smoke level of exhaust opening reaches minimum.

In the present embodiment, as shown in Figure 3,4, closing mounting structure on blade 3 for the door hinge 5 is, four circumferences of blade 3 Vertical bending afterwards, the top of blade 3 is provided with the positive stop strip protruding upward, and this positive stop strip is supported with lower limiting board 7 at the back side of blade 3 When connecing, the inner side edge that positive stop strip is located in valve body 1 with frame 2 abuts, and makes the top of blade 3 also limited.In the back side of blade 3 Between be provided with U-board 8, the two ends of U-board 8 are fixed on blade 3, and the centre of U-board 8 is protruded backward, and the bottom of side logical 4 retreats Tiltedly, angle of inclination is about 48 ° about, and the first hinge 51 closing door hinge 5 is fixed on the salient position of U-board 8, the second conjunction Page 52 side of being fixed on leads on 4 front, and the angle of inclination of side logical 4 can be arranged according to the torque magnitude closing door hinge 5.

As shown in Figure 3,4, the back side of blade 3 is provided with control device for pivoting, and control device for pivoting includes：Pulley 9, directive wheel 10th, drawstring fixed mount 11, drawstring and electronic executive item, pulley 9 is fixed in the bottom at blade 3 back side by pulley bracket 12 Between, it is sequentially provided with directive wheel 10 and drawstring fixed mount 11 in the middle of the bottom in valve body 1 backward, directive wheel 10 passes through guide wheel bracket 13 are fixed in valve body 1, and pulley 9, directive wheel 10 and drawstring fixed mount 11 are respectively positioned in the mid-plane of blade 3.Drawstring is fixed Frame 11 is provided with fixing hole, and one end of drawstring passes through this fixing hole and fixes, and the other end of drawstring is fixed on electronic executive item, The middle part of drawstring sequentially passes through directive wheel 10 and pulley 9.When electronic executive item gradually tightens up drawstring, the bottom of blade 3 is drawn Rope pulls back, and until being resisted against on lower limiting board 7, when electronic executive item gradually unclamps drawstring, blade 3 is closing door hinge 5 Twisting force under, the top of blade 3 rotates backward, until being resisted against on upper limit plate 6.When actual installation uses, electronic The execution order of executive item can be inputted by manual operation, also electronic executive item can be connected on a main control room, main control Room remotely sends to electronic executive item and executes order, controls the operating of blade 3.

The foregoing is only preferred embodiment of the present utility model, be applicable to electronic plate type flue gas exhaust, full-automatic The isostructural product of plate type flue gas exhaust that plate type flue gas exhaust, long-range steel wire rope control.All of the present utility model spirit and principle Within any modification, equivalent and improvement of being made etc., should be included within protection domain of the present utility model.

Claims (8)

1. a kind of band closes the plate type flue gas exhaust of door hinge, including：The valve body that hollow and profile are square（1）, located at described valve body （1）The frame of front end surrounding（2）, and located at described valve body（1）Interior blade（3）It is characterised in that described valve body（1）Inside set Have positioned at described blade（3）The side at rear leads to（4）, described side lead to（4）Two ends be fixed on described valve body（1）Both sides inwall On, described blade（3）Lead to described side（4）Between be provided with least one and close door hinge（5）；

Described close door hinge（5）An interior hinge is fixed on described blade（3）The back side in the middle of, described close door hinge（5）Interior Another hinge is fixed on described side and leads to（4）Front on.

2. plate type flue gas exhaust as claimed in claim 1 is it is characterised in that described close door hinge（5）Including：Cut with scissors by jointed shaft Two hinges connecing in succession, the torsion spring being enclosed within described jointed shaft, the two ends of described torsion spring respectively with described two gemel connections.

3. plate type flue gas exhaust as claimed in claim 1 or 2 is it is characterised in that described valve body（1）Inside it is further fixed on positioned at described Fang Tong（4）The upper limit plate at rear（6）, described close door hinge（5）Blade described in torsional force urges（3）Top rotate backward, Until described blade（3）The back side and described upper limit plate（6）Abut.

4. plate type flue gas exhaust as claimed in claim 3 is it is characterised in that described blade（3）The back side and described upper limit plate （6）During abutting, described blade（3）With described valve body（1）Between angle be 90 degree.

5. plate type flue gas exhaust as claimed in claim 4 is it is characterised in that described blade（3）Surrounding vertical bending backward, institute State blade（3）The back side in the middle of be provided with U-board（8）, described U-board（8）Two ends be fixed on described blade（3）On, described U-shaped Plate（8）Centre protrude backward, described close door hinge（5）A hinge be fixed on described U-board（8）Salient position on.

6. the plate type flue gas exhaust as described in claim 4 or 5 is it is characterised in that described valve body（1）Inside it is further fixed on positioned at described Fang Tong（4）The lower limiting board of lower section（7）, described blade（3）The back side and described lower limiting board（7）During abutting, described blade（3） With described valve body（1）Between angle be 0 degree.

7. plate type flue gas exhaust as claimed in claim 6 is it is characterised in that described blade（3）The back side be provided with rotation control dress Put, described control device for pivoting includes：Located at described blade（3）The pulley of back bottom（9）, be fixed on described pulley（9）Afterwards The drawstring fixed mount of side（11）, one end be fixed on described drawstring fixed mount（11）On drawstring and described drawstring the other end pass The electronic executive item being dynamically connected, the middle part of described drawstring bypasses pulley（9）.

8. plate type flue gas exhaust as claimed in claim 7 is it is characterised in that described control device for pivoting also includes：Directive wheel （10）, described directive wheel（10）Positioned at described pulley（9）With described drawstring fixed mount（11）Between, the middle part of described drawstring is successively Bypass directive wheel（10）And pulley（9）.