CN207728982U - A kind of fire resisting damper that gravity is closed - Google Patents
A kind of fire resisting damper that gravity is closed Download PDFInfo
- Publication number
- CN207728982U CN207728982U CN201721899890.XU CN201721899890U CN207728982U CN 207728982 U CN207728982 U CN 207728982U CN 201721899890 U CN201721899890 U CN 201721899890U CN 207728982 U CN207728982 U CN 207728982U
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- pair
- closed
- valve body
- fire resisting
- bearing sheet
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Abstract
The utility model discloses the fire resisting dampers that a kind of gravity is closed, including valve body, opening and closing device, a pair of of fuse；Lead device includes a pair of of strop, a pair of of lead unit and driving device；Lead unit includes cotton rope winding wheel；A pair of of strop one end is separately fixed on the mutually close side wall of a pair of of escape groove, the other end is separately positioned on a pair of of cotton rope winding wheel；Cotton rope winding wheel is fixed in the middle part of winding newel；The rear portion of winding newel is fixed with driving gear；Driving device includes the rear bearing sheet that front and back elasticity slides setting；Driving motor is arranged on rear bearing sheet；The output shaft of driving motor is fixedly arranged at the front end with central gear；Front and back slide is provided with limiting plate on the lower face of valve body；A pair of of fuse is arranged in the lower wall of valve body and the fusing core bar of fuse plugs on limiting plate；Utility model advantage：The ventilation quantity of fire resisting damper is adjustable as arbitrary value, and fire resisting damper, the good airproof performance of fire resisting damper are completely enclosed after upper closed plate and lower closing plate closing.
Description
Technical field
The utility model is related to the technical fields of fire resisting damper, and in particular to a kind of fire resisting damper that gravity is closed.
Background technology
Fire resisting damper is a kind of temperature control by fusible alloy, the valve for utilizing the effect of gravity and spring mechanism to close
Door form.Also have in novel product makes valve close using memorial alloy generation deformation.Its effect is：When flue-gas temperature reaches
When to 280 DEG C, evacuation finishes people substantially, discharges fume without practical significance, and band fire, valve have been automatically closed at this time in flue gas,
To avoid fire spreading.The opening and closing of existing fire resisting damper is completed by actuator, but existing actuator structure is complicated, and
And the opening and closing angle of actuator control fire resisting damper can only be in specific several angles, flexibility is inadequate.
Utility model content
The purpose of this utility model be in view of the shortcomings of the prior art, provide the fire resisting damper that a kind of gravity is closed, including valve body,
Opening and closing device, a pair of of fuse；The opening and closing slot of rectangle is set on the middle part upper surface of valve body；The left and right width for being opened and closed slot is more than valve
The left and right width of the center air inlet of body；Opening and closing device includes closed plate and lead device；Closed plate lifting setting is in opening and closing slot
The escape groove of upper and lower perforative rectangle is formed on interior and left and right end face；Lead device includes a pair of of strop, a pair of of lead
Unit and driving device；Lead unit includes cotton rope winding wheel；A pair of of strop one end is separately fixed at a pair of of escape groove and mutually leans on
On close side wall, the other end is separately positioned on a pair of of cotton rope winding wheel；It is fixed with front end panel on front side of the lower face of valve body；Before
It is articulated with a pair of symmetrical winding newel in support plate and winds the rear side that newel is located at front end panel；Cotton rope twines
It is fixed in the middle part of winding newel around wheel；The rear portion of winding newel is fixed with driving gear；Driving device includes front and back slides
The rear bearing sheet and driving motor of setting；The lower face rear portion of valve body forms the slide slot of rectangle；Before the upper end of rear bearing sheet
After slide be arranged in slide slot；A pair of symmetrical tension spring is provided in slide slot；The front end of tension spring is fixed on rear support
On the rear end face of plate, rear end is fixed on the rear wall of slide slot；It slides and drives before and after driving motor is synchronous with rear bearing sheet
The output shaft of dynamic motor passes through rear bearing sheet；The output shaft of driving motor is fixedly arranged at the front end with central gear；On the lower face of valve body
Front and back slide is provided with limiting plate；A pair of of fuse is arranged in the lower wall of valve body and the fusing core bar of fuse plugs
On limiting plate；When rear bearing sheet is in front end, central gear is located between a pair of of driving gear and a pair of of driving gear
It is engaged respectively with central gear, limiting plate is resisted against on the rear end face of rear bearing sheet.
As a preferred embodiment of the above technical solution, the rear wall of slide slot is fixedly arranged in the middle of a pair of center being symmetrical set
Guide rod；It is arranged with motor support plate on centre pilot bar；Driving motor is fixed in motor support plate；Motor support plate is located at
The rear side of limiting plate.
As a preferred embodiment of the above technical solution, it is respectively fixed with side guide rod at left and right sides of the rear wall of slide slot；After prop up
The upper end of fagging is set on an offside guide rod；Tension spring is set on the guide rod of side.
As a preferred embodiment of the above technical solution, lead unit further includes a pair of of central tap wheel；Two pairs of center wire leading wheel pivots
It is connected in the left and right sidewall of opening and closing slot top and bottom of valve body；Strop slides on centrally disposed wire leading wheel.
As a preferred embodiment of the above technical solution, the front-rear side walls for being opened and closed slot have been separately formed a pair of of lifting guide groove；It is a pair of
Lifting guide groove is located at the left and right sides of the center air inlet of valve body；It has been separately formed on the front/rear end of closed plate and one
To the lifting guide pad of lifting guide groove cooperation.
As a preferred embodiment of the above technical solution, the upper end of a pair of of fuse be located in the center air inlet of valve body, lower end position
In the outside of valve body.
As a preferred embodiment of the above technical solution, the width of the width of the left and right directions of closed plate and the left and right directions of opening and closing slot
It is equal.
As a preferred embodiment of the above technical solution, when rear bearing sheet is in front end, rear bearing sheet is set in a pair of of winding
The rear end of newel.
The beneficial effects of the utility model are：The ventilation quantity of fire resisting damper is adjustable as arbitrary value, upper closed plate and lower envelope
Closing plate completely encloses fire resisting damper, the good airproof performance of fire resisting damper after being closed.
Description of the drawings
Fig. 1 is the structural schematic diagram of the section of the utility model；
Fig. 2 is the structural schematic diagram of the vertical view of Fig. 1 of the utility model；
Fig. 3 is the structural schematic diagram of Fig. 1 of the utility model looked up；
In figure, 10, valve body；100, it is opened and closed slot；101, guide groove is lifted；102, slide slot；103, side guide rod；104, in
Heart guide rod；20, opening and closing device；21, closed plate；210, escape groove；211, guide pad is lifted；212, strop；22, center is drawn
Line wheel；24, cotton rope winding wheel；241, newel is wound；242, front end panel；243, gear is driven；25, rear bearing sheet；26, it drives
Dynamic motor；261, central gear；262, motor support；27, limiting plate；28, tension spring；30, fuse；31, fuse core bar.
Specific implementation mode
As shown in FIG. 1 to 3, the fire resisting damper that a kind of gravity is closed, including valve body 10, opening and closing device 20, a pair of of fuse
30；The opening and closing slot 100 of rectangle is set on the middle part upper surface of valve body 10；The left and right width for being opened and closed slot 100 is more than in valve body 10
The left and right width of heart air inlet；Opening and closing device 20 includes closed plate 21 and lead device；The lifting of closed plate 21 setting is in opening and closing slot
The escape groove 210 of upper and lower perforative rectangle is formed in 100 and on the end face of left and right；Lead device include a pair of of strop 212,
A pair of of lead unit and driving device；Lead unit includes cotton rope winding wheel 24；212 one end of a pair of of strop is separately fixed at one
On the side wall mutually close to escape groove 210, the other end is separately positioned on a pair of of cotton rope winding wheel 24；Before the lower face of valve body 10
Side is fixed with front end panel 242；In being articulated with a pair of symmetrical winding newel 241 on front end panel 242 and winding
Stem 241 is located at the rear side of front end panel 242；Cotton rope winding wheel 24 is fixed on 241 middle part of winding newel；Wind newel
241 rear portion is fixed with driving gear 243；Driving device includes the front and back rear bearing sheet 25 and driving motor 26 for sliding setting；
The lower face rear portion of valve body 10 forms the slide slot 102 of rectangle；It slides and is arranged in slide slot before and after the upper end of rear bearing sheet 25
In 102；A pair of symmetrical tension spring 28 is provided in slide slot 102；After the front end of tension spring 28 is fixed on rear bearing sheet 25
On end face, rear end is fixed on the rear wall of slide slot 102；It slides and drives before and after driving motor 26 is synchronous with rear bearing sheet 25
The output shaft of dynamic motor 26 passes through rear bearing sheet 25；The output shaft of driving motor 26 is fixedly arranged at the front end with central gear 261；Valve body 10
Lower face on front and back slide be provided with limiting plate 27；A pair of of fuse 30 is arranged in the lower wall of valve body 10 and fuse
30 fusing core bar 31 plugs on limiting plate 27；When rear bearing sheet 25 is in front end, central gear 261 is located at a pair of drive
Between moving gear 243 and a pair of of driving gear 243 is engaged with central gear 261 respectively, and limiting plate 27 is resisted against rear bearing sheet
On 25 rear end face.
As shown in figure 3, the rear wall of slide slot 102 is fixedly arranged in the middle of a pair of centre pilot bar 104 being symmetrical set；
Motor support plate 262 is arranged on centre pilot bar 104；Driving motor 26 is fixed in motor support plate 262；Motor support plate
262 are located at the rear side of limiting plate 27.
As shown in figure 3, being respectively fixed with side guide rod 103 at left and right sides of the rear wall of slide slot 102；Rear bearing sheet 25
Upper end is set on an offside guide rod 103；Tension spring 28 is set on side guide rod 103.
As shown in FIG. 1 to 3, lead unit further includes a pair of of central tap wheel 22；Two pairs of center wire leading wheels 22 are articulated in
In the left and right sidewall of 100 top and bottom of opening and closing slot of valve body 10；Strop 212 slides on centrally disposed wire leading wheel 22.
As shown in Figure 1 and Figure 2, the front-rear side walls of opening and closing slot 100 have been separately formed a pair of of lifting guide groove 101；A pair of lifting
Guide groove 101 is located at the left and right sides of the center air inlet of valve body 10；It has been separately formed on the front/rear end of closed plate 21
The lifting guide pad 211 coordinated with a pair of of lifting guide groove 101.
As shown in Figure 1, Figure 3, the upper end of a pair of of fuse 30 is located in the center air inlet of valve body 10, lower end is located at valve body
10 outside.
As shown in Figure 1 and Figure 2, the width phase of the width of the left and right directions of closed plate 21 and the left and right directions of opening and closing slot 100
Deng.
As shown in figure 3, when rear bearing sheet 25 is in front end, rear bearing sheet 25 is set in a pair of of winding newel 241
Rear end.
The operation principle for the fire resisting damper that gravity is closed：
When air requirement becomes larger, it is only necessary to start driving motor 26 and wind the drive rising of closed plate 21 of strop 212, need
Air quantity becomes hour, it is only necessary to start driving motor 26 and unclamp strop 212, the in this way dead weight due to closed plate 21, closed plate 21
Decline；
When the temperature in the center air inlet of valve body 10 reaches 280 DEG C, the fuse sheet of a pair of of fuse 30 fuses, in this way
The core bar 31 that fuses is detached from limiting plate 27, such driving motor 26 and rear bearing sheet 25 synchronize move backward, central gear 261 and one
Driving gear 243 is detached from, due to the dead weight of closed plate 21, closed plate 21 declines, fire resisting damper completely enclosed in this way.
The above content is only the better embodiment of the utility model, for those of ordinary skill in the art, according to this
The thought of utility model, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be understood
For limitations of the present invention.
Claims (8)
1. the fire resisting damper that a kind of gravity is closed, it is characterised in that：Including valve body (10), opening and closing device (20), a pair of of fuse
(30)；The opening and closing slot (100) of rectangle is set on the middle part upper surface of valve body (10)；The left and right width for being opened and closed slot (100) is more than valve
The left and right width of the center air inlet of body (10)；Opening and closing device (20) includes closed plate (21) and lead device；Closed plate (21)
Lifting setting forms the escape groove (210) of upper and lower perforative rectangle in opening and closing slot (100) and on the end face of left and right；Lead fills
It sets including a pair of of strop (212), a pair of of lead unit and driving device；Lead unit includes cotton rope winding wheel (24)；It is a pair of
Strop (212) one end is separately fixed on the mutually close side wall of a pair of of escape groove (210), the other end is separately positioned on a pair of of line
It restricts on winding wheel (24)；It is fixed with front end panel (242) on front side of the lower face of valve body (10)；Front end panel is articulated on (242)
A pair of symmetrical winding newel (241) and wind the rear side that newel (241) is located at front end panel (242)；Cotton rope
Winding wheel (24) is fixed in the middle part of winding newel (241)；The rear portion of winding newel (241) is fixed with driving gear (243)；
Driving device includes the front and back rear bearing sheet (25) and driving motor (26) for sliding setting；The lower face rear portion of valve body (10) is molded
There is the slide slot (102) of rectangle；Setting is slided before and after the upper end of rear bearing sheet (25) in slide slot (102)；Slide slot (102)
Inside it is provided with a pair of symmetrical tension spring (28)；The front end of tension spring (28) is fixed on the rear end face of rear bearing sheet (25), after
End is fixed on the rear wall of slide slot (102)；It slides and drives before and after driving motor (26) is synchronous with rear bearing sheet (25)
The output shaft of motor (26) passes through rear bearing sheet (25)；The output shaft of driving motor (26) is fixedly arranged at the front end with central gear (261)；
Front and back slide is provided with limiting plate (27) on the lower face of valve body (10)；Downside of a pair of of fuse (30) setting in valve body (10)
On wall and the fusing core bar of fuse (30) (31) plugs on limiting plate (27)；When rear bearing sheet (25) is in front end
When, central gear (261) be located between a pair of of driving gear (243) and a pair of of driving gear (243) respectively with central gear
(261) it engages, limiting plate (27) is resisted against on the rear end face of rear bearing sheet (25).
2. the fire resisting damper that a kind of gravity according to claim 1 is closed, it is characterised in that：The rear wall of slide slot (102)
It is fixedly arranged in the middle of a pair of centre pilot bar (104) being symmetrical set；Centre pilot bar is arranged with motor support plate on (104)
(262)；Driving motor (26) is fixed in motor support plate (262)；After motor support plate (262) is located at limiting plate (27)
Side.
3. the fire resisting damper that a kind of gravity according to claim 1 is closed, it is characterised in that：The rear wall of slide slot (102)
The left and right sides is respectively fixed with side guide rod (103)；The upper end of rear bearing sheet (25) is set on an offside guide rod (103)；
Tension spring (28) is set on side guide rod (103).
4. the fire resisting damper that a kind of gravity according to claim 1 is closed, it is characterised in that：Lead unit further includes a centering
Heart wire leading wheel (22)；Two pairs of center wire leading wheels (22) are articulated in the left and right sides of opening and closing slot (100) top and bottom of valve body (10)
On wall；Strop (212) slides on centrally disposed wire leading wheel (22).
5. the fire resisting damper that a kind of gravity according to claim 1 is closed, it is characterised in that：It is opened and closed the front and back side of slot (100)
Wall has been separately formed a pair of of lifting guide groove (101)；A pair of lifting guide groove (101) is located at the center air inlet of valve body (10)
The left and right sides of mouth；The lifting coordinated with a pair of of lifting guide groove (101) is separately formed on the front/rear end of closed plate (21)
Guide pad (211).
6. the fire resisting damper that a kind of gravity according to claim 1 is closed, it is characterised in that：The upper end of a pair of of fuse (30)
Positioned at the outside that the center air inlet of valve body (10) is interior, lower end is located at valve body (10).
7. the fire resisting damper that a kind of gravity according to claim 1 is closed, it is characterised in that：The left and right directions of closed plate (21)
Width with opening and closing slot (100) the width of left and right directions it is equal.
8. the fire resisting damper that a kind of gravity according to claim 1 is closed, it is characterised in that：When rear bearing sheet (25) is in most
When front end, rear bearing sheet (25) is set in the rear end of a pair of of winding newel (241).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721899890.XU CN207728982U (en) | 2017-12-29 | 2017-12-29 | A kind of fire resisting damper that gravity is closed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721899890.XU CN207728982U (en) | 2017-12-29 | 2017-12-29 | A kind of fire resisting damper that gravity is closed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207728982U true CN207728982U (en) | 2018-08-14 |
Family
ID=63083837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721899890.XU Expired - Fee Related CN207728982U (en) | 2017-12-29 | 2017-12-29 | A kind of fire resisting damper that gravity is closed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207728982U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114525998A (en) * | 2022-01-06 | 2022-05-24 | 洛阳双瑞特种装备有限公司 | Fire-proof protection structure capable of being opened when meeting heat |
-
2017
- 2017-12-29 CN CN201721899890.XU patent/CN207728982U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114525998A (en) * | 2022-01-06 | 2022-05-24 | 洛阳双瑞特种装备有限公司 | Fire-proof protection structure capable of being opened when meeting heat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180814 Termination date: 20181229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |