CN207728905U - A kind of fire resisting damper of closed rotary upper and lower gap - Google Patents
A kind of fire resisting damper of closed rotary upper and lower gap Download PDFInfo
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- CN207728905U CN207728905U CN201721899899.0U CN201721899899U CN207728905U CN 207728905 U CN207728905 U CN 207728905U CN 201721899899 U CN201721899899 U CN 201721899899U CN 207728905 U CN207728905 U CN 207728905U
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- plate
- closed
- valve body
- rear enclosed
- left front
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Abstract
The utility model discloses a kind of fire resisting dampers of closed rotary upper and lower gap, including valve body, actuator and fuse；Rectangular box-like support frame is formed in the middle part of the madial wall of valve body；The main shaft being vertically arranged is provided on actuator；The lower end of main shaft passes through valve body and support frame；Valve disc is provided on main shaft；Fuse be arranged valve body left rear side and lower end pass through valve body, upper end be mounted on actuator on；The left side wall rear portion of support frame is provided with left closing barrier plate, right side wall front is provided with right closing barrier plate；The left front portion of horizontal part up and down of support frame is respectively arranged with the left-handed turn trough of rectangle, right-rearward portion is not provided with the dextrorotation turn trough of rectangle；The left front closed plate of L-type is articulated between the left and right sidewall of left-handed turn trough；The right rear enclosed plate of L-type is articulated in the left and right sidewall of dextrorotation turn trough；Utility model advantage：Left front closed plate and right rear enclosed plate are opened and closed as valve disc is opened and closed, and do not influence the leakproofness that valve body is increased while valve disc opening and 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 of closed rotary upper and lower gap.
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.So the sealing performance of fire resisting damper is better, the effect of fire resisting damper is bigger.The valve body of existing fire resisting damper
Only having on side wall has sealing block at left and right sides of valve disc, and both sides do not have sealing block up and down, are unfavorable for sealing performance in this way
Raising.
Utility model content
The purpose of this utility model be in view of the shortcomings of the prior art, provide a kind of fire resisting damper of closed rotary upper and lower gap,
Including valve body, actuator and fuse；Actuator is arranged on the upper surface of valve body；Rectangle frame is formed in the middle part of the madial wall of valve body
The support frame of shape；The main shaft being vertically arranged is provided on actuator；The lower end of main shaft passes through valve body and support frame；It is arranged on main shaft
There is valve disc；Fuse be arranged valve body left rear side and lower end pass through valve body, upper end be mounted on actuator on；A left side for support frame
Side wall rear portion is provided with left closing barrier plate, right side wall front is provided with right closing barrier plate；The horizontal part up and down of support frame is left
Front is respectively arranged with the left-handed turn trough of rectangle, right-rearward portion is not provided with the dextrorotation turn trough of rectangle；The left and right sides of left-handed turn trough
The left front closed plate of L-type is articulated between wall；The right rear enclosed plate of L-type is articulated in the left and right sidewall of dextrorotation turn trough；Left front envelope
Closing plate and right rear enclosed plate are opened and closed as valve disc is opened and closed；Left front closed plate is by orthogonal left drive plate and left front closing
Board group at；The width of the left and right directions of left drive plate is less than the width of the left and right directions of left front closed plate；Left drive plate
Left side is concordant with the left side of left front closed plate；Right rear enclosed plate is by driving plate and right rear enclosed board group behind the orthogonal right side
At；The width of the left and right directions of driving plate is less than the width of the left and right directions of right rear enclosed plate behind the right side；The right end of driving plate behind the right side
Face is concordant with the right right side of rear enclosed plate；When valve disc is opened, left front closed plate is in horizontality, and left drive plate is in
Vertical state, left front closed plate are located at the front side of left drive plate；When valve disc is opened, right rear enclosed plate is in horizontality,
Driving plate is in vertical state behind the right side, and right rear enclosed plate is located at the rear side of driving plate behind the right side；The upper and lower end face of valve disc respectively with branch
It is provided with gap between the madial wall up and down of support frame.
As a preferred embodiment of the above technical solution, the right side of left drive plate is concordant with the left closing right side of barrier plate；
The left side of driving plate is concordant with the right closing left side of barrier plate behind the right side.
As a preferred embodiment of the above technical solution, it is fixed with left stem between the left and right sidewall of left-handed turn trough；Left front closing
Sleeve-board is located on left stem；Right newel is fixed between the left and right sidewall of dextrorotation turn trough；Right rear enclosed sleeve-board is located in the right side
On stem.
As a preferred embodiment of the above technical solution, the aft gap and valve disc between left closing barrier plate and right closing barrier plate
Thickness it is equal.
As a preferred embodiment of the above technical solution, when left front closed plate and right rear enclosed plate are in vertical state, left front envelope
Gap between closing plate and right rear enclosed plate is equal with the thickness of valve disc.
The beneficial effects of the utility model are：Left front closed plate and right rear enclosed plate are opened and closed as valve disc is opened and closed, no
The leakproofness of valve body is increased while influence valve disc opening and closing.
Description of the drawings
Fig. 1 is the structural schematic diagram of the section of the utility model；
Fig. 2 be the utility model Fig. 1 in A-A section structural schematic diagram；
Fig. 3 be the utility model Fig. 1 in B-B section structural schematic diagram；
In figure, 10, valve body；11, support frame；110, left-handed turn trough；111, dextrorotation turn trough；12, left closing barrier plate；13、
Right closing barrier plate；14, left front closed plate；141, left front closed plate；142, left drive plate；143, left stem；15, after right
Closed plate；151, right rear enclosed plate；152, driving plate behind the right side；153, right newel；20, actuator；21, main shaft；22, valve disc；
30, fuse.
Specific implementation mode
As shown in FIG. 1 to 3, a kind of fire resisting damper of closed rotary upper and lower gap, including valve body 10, actuator 20 and fusing
Device 30；Actuator 20 is arranged on the upper surface of valve body 10；Rectangular box-like support frame 11 is formed in the middle part of the madial wall of valve body 10；
The main shaft 21 being vertically arranged is provided on actuator 20；The lower end of main shaft 21 passes through valve body 10 and support frame 11；It is set on main shaft 21
It is equipped with valve disc 22；Fuse 30 be arranged valve body 10 left rear side and lower end pass through valve body 10, upper end be mounted on actuator 20
On；The left side wall rear portion of support frame 11 is provided with left closing barrier plate 12, right side wall front is provided with right closing barrier plate 13；Branch
The left front portion of horizontal part up and down of support frame 11 is respectively arranged with the left-handed turn trough 110 of rectangle, right-rearward portion is not provided with the right side of rectangle
Swivelling chute 111；The left front closed plate 14 of L-type is articulated between the left and right sidewall of left-handed turn trough 110；The left and right of dextrorotation turn trough 111
The right rear enclosed plate 15 of L-type is articulated on side wall；Left front closed plate 14 and right rear enclosed plate 15 are opened and closed as valve disc 22 is opened and closed；
Left front closed plate 14 is made of orthogonal left drive plate 142 and left front closed plate 141；The left and right of left drive plate 142
The width in direction is less than the width of the left and right directions of left front closed plate 141；The left side of left drive plate 142 and left front closed plate
141 left side is concordant；Right rear enclosed plate 15 is made of driving plate 152 behind the orthogonal right side and right rear enclosed plate 151；Behind the right side
The width of the left and right directions of driving plate 152 is less than the width of the left and right directions of right rear enclosed plate 151；The right side of driving plate 152 behind the right side
End face is concordant with the right side of right rear enclosed plate 151；When valve disc 22 is opened, left front closed plate 141 is in horizontality, left front
Driving plate 142 is in vertical state, and left front closed plate 141 is located at the front side of left drive plate 142；It is right when valve disc 22 is opened
Rear enclosed plate 151 is in horizontality, and driving plate 152 is in vertical state behind the right side, and right rear enclosed plate 151 is located at driving plate behind the right side
152 rear side；The upper and lower end face of valve disc 22 is provided with gap between the madial wall up and down of support frame 11 respectively.
As shown in Figure 1, the right side of left drive plate 142 is concordant with the left closing right side of barrier plate 12；It is driven behind the right side
The left side of plate 152 is concordant with the right closing left side of barrier plate 13.
As shown in Figure 2 and Figure 3, it is fixed with left stem 143 between the left and right sidewall of left-handed turn trough 110；Left front closed plate
141 are set on left stem 143；Right newel 153 is fixed between the left and right sidewall of dextrorotation turn trough 111；Right rear enclosed plate
151 are set on right newel 153.
As shown in FIG. 1 to 3, the aft gap and valve disc 22 between left closing barrier plate 12 and right closing barrier plate 13
Thickness is equal.
As shown in FIG. 1 to 3, when left front closed plate 141 and right rear enclosed plate 151 are in vertical state, left front closing
Gap between plate 141 and right rear enclosed plate 151 is equal with the thickness of valve disc 22.
The operation principle of the fire resisting damper of closed rotary upper and lower gap：
When valve disc 22 is opened, left front closed plate 141 is in horizontality, and left drive plate 142 is in vertical state, left
Preceding closed plate 141 is located at the front side of left drive plate 142；When valve disc 22 is opened, right rear enclosed plate 151 is in horizontality,
Driving plate 152 is in vertical state behind the right side, and right rear enclosed plate 151 is located at the rear side of driving plate 152 behind the right side；When valve disc 22 was closed
The left and right sides of Cheng Zhong, valve disc 22 are contradicted with driving plate 152 after left drive plate 142 and the right side respectively；When valve disc 22 completely closes
When, left front closed plate 14 and right rear enclosed plate 15 are all rotated by 90 °, and driving plate 152 is in after such left drive plate 142 and the right side
Horizontality is located in left-handed turn trough 110 and dextrorotation turn trough 111, and left front closed plate 141 and right rear enclosed plate 151 are from water
Level state becomes vertical state, and such valve disc 22 is by left closing barrier plate 12, right closing barrier plate 13, a pair of left front closed plate
141 close with a pair of right rear enclosed plate 151, substantially increase the leakproofness of fire resisting damper 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 (5)
1. a kind of fire resisting damper of closed rotary upper and lower gap, it is characterised in that：Including valve body (10), actuator (20) and fuse
(30)；Actuator (20) is arranged on the upper surface of valve body (10)；Rectangular box-like branch is formed in the middle part of the madial wall of valve body (10)
Support frame (11)；The main shaft (21) being vertically arranged is provided on actuator (20)；The lower end of main shaft (21) passes through valve body (10) and branch
Support frame (11)；Valve disc (22) is provided on main shaft (21)；Fuse (30) be arranged valve body (10) left rear side and lower end wear
Cross valve body (10), upper end is mounted on actuator (20)；The left side wall rear portion of support frame (11) is provided with left closing barrier plate
(12), right side wall front is provided with right closing barrier plate (13)；The left front portion of horizontal part up and down of support frame (11) is respectively arranged with
Left-handed turn trough (110), the right-rearward portion of rectangle are not provided with the dextrorotation turn trough (111) of rectangle；The left and right sides of left-handed turn trough (110)
The left front closed plate (14) of L-type is articulated between wall；The right rear enclosed of L-type is articulated in the left and right sidewall of dextrorotation turn trough (111)
Plate (15)；Left front closed plate (14) and right rear enclosed plate (15) are opened and closed as valve disc (22) is opened and closed；Left front closed plate (14) by
Orthogonal left drive plate (142) and left front closed plate (141) composition；The width of the left and right directions of left drive plate (142)
Width of the degree less than the left and right directions of left front closed plate (141)；The left side of left drive plate (142) and left front closed plate
(141) left side is concordant；Right rear enclosed plate (15) is by driving plate (152) and right rear enclosed plate (151) behind the orthogonal right side
Composition；The width of the left and right directions of driving plate (152) is less than the width of the left and right directions of right rear enclosed plate (151) behind the right side；Behind the right side
The right side of driving plate (152) is concordant with the right right side of rear enclosed plate (151)；When valve disc (22) are opened, left front closed plate
(141) it is in horizontality, left drive plate (142) is in vertical state, and left front closed plate (141) is located at left drive plate
(142) front side；When valve disc (22) are opened, right rear enclosed plate (151) is in horizontality, and driving plate (152) is in behind the right side
Vertical state, right rear enclosed plate (151) are located at the rear side of driving plate (152) behind the right side；The upper and lower end face of valve disc (22) respectively with branch
It is provided with gap between the madial wall up and down of support frame (11).
2. a kind of fire resisting damper of closed rotary upper and lower gap according to claim 1, it is characterised in that：Left drive plate
(142) right side is concordant with the left right side of closing barrier plate (12)；The left side of driving plate (152) is hindered with right closing behind the right side
The left side of baffle (13) is concordant.
3. a kind of fire resisting damper of closed rotary upper and lower gap according to claim 1, it is characterised in that：Left-handed turn trough
(110) left stem (143) is fixed between left and right sidewall；Left front closed plate (141) is set on left stem (143)；
Right newel (153) is fixed between the left and right sidewall of dextrorotation turn trough (111)；Right rear enclosed plate (151) is set in right newel
(153) on.
4. a kind of fire resisting damper of closed rotary upper and lower gap according to claim 1, it is characterised in that：Left closing barrier plate
(12) aft gap between right closing barrier plate (13) is equal with the thickness of valve disc (22).
5. a kind of fire resisting damper of closed rotary upper and lower gap according to claim 1, it is characterised in that：When left front closed plate
(141) when and right rear enclosed plate (151) is in vertical state, between left front closed plate (141) and right rear enclosed plate (151) between
Gap is equal with the thickness of valve disc (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721899899.0U CN207728905U (en) | 2017-12-29 | 2017-12-29 | A kind of fire resisting damper of closed rotary upper and lower gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721899899.0U CN207728905U (en) | 2017-12-29 | 2017-12-29 | A kind of fire resisting damper of closed rotary upper and lower gap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207728905U true CN207728905U (en) | 2018-08-14 |
Family
ID=63083905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721899899.0U Expired - Fee Related CN207728905U (en) | 2017-12-29 | 2017-12-29 | A kind of fire resisting damper of closed rotary upper and lower gap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207728905U (en) |
-
2017
- 2017-12-29 CN CN201721899899.0U patent/CN207728905U/en not_active Expired - Fee Related
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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 |