CN202746698U - Locking device in fire resisting damper - Google Patents
Locking device in fire resisting damper Download PDFInfo
- Publication number
- CN202746698U CN202746698U CN 201220334340 CN201220334340U CN202746698U CN 202746698 U CN202746698 U CN 202746698U CN 201220334340 CN201220334340 CN 201220334340 CN 201220334340 U CN201220334340 U CN 201220334340U CN 202746698 U CN202746698 U CN 202746698U
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- fire
- fan
- locking device
- actuator
- main shaft
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Abstract
The utility model discloses a locking device in a fire resisting damper. The locking device comprises a fan-shaped lock hole board, an actuating mechanism and a main shaft of the actuating mechanism, wherein one end of the main shaft of the actuating mechanism is inserted to a valve body; the other end of the main shaft is provided with the fan-shaped lock hole board and the actuating mechanism; a through hole is formed in the fan-shaped lock hole board; a secondary temperature sensor is arranged at a side as same as the actuating mechanism; one end of the secondary temperature sensor is arranged in the valve body, and a plunger latch in the other end of the secondary temperature sensor is corresponding to the through hole in the fan-shaped lock hole board; a step is arranged on the plunger latch; a cylindrical spiral compression spring is arranged on the outer ring on the left end of the step; the outer ring on the left end of the step is arranged in an inner cavity formed by a nut, a fusible plug fixing base and a sleeve; and the extending-out end of the plunger latch is connected with a fusible piece. According to the locking device in the fire resisting damper disclosed by the utility model, after the fire resisting damper is closed during the outbreak of fire, the secondary temperature controller actuates to timely lock the fire resisting damper blade when the temperature of an air hose reaches a set value, thereby completely blocking smoke and fire. The locking device is extensively applied to nuclear power engineering and construction projects at home and abroad with high-standard fireproof smoke-prevention level requirements.
Description
Technical field:
The utility model relates to the fire-closing valve that uses in a kind of constructure ventilation air conditioning wind pipe, particularly relates to the locking device in a kind of fire-closing valve.
Background technique:
At present domestic fire-closing valve temperature reach 70 ℃ close after, air temperature continues to raise in the air channel, the transmission paries such as fireproof valve blade and connecting rod at high temperature can produce larger stress deformation.The distortion of some blades, can be by its axle, pass through again connecting rod, pass to fire-closing valve the main shaft of actuator is installed, force main shaft to rotate, and the rotation of main shaft, because of the effect of kinematic link, cause between all blades, between blade and the barge board and produce larger slit between blade tip and the sharf supporting frame, thereby make fire-closing valve lose effect every the cigarette back-fire relief.The above is those skilled in the art's problem demanding prompt solutions.
Summary of the invention:
The purpose of this utility model is exactly the locking device that will provide in a kind of fire-closing valve, and it can overcome the above problem that existing fire-closing valve exists.The purpose of this utility model is achieved in that the locking device in a kind of fire-closing valve, comprises the main shaft of fan-shaped selvage, actuator, actuator, it is characterized in that; Main shaft one end of actuator is inserted in the valve body, and the other end is disposed with back-up ring, fan-shaped selvage, actuator from left to right outside valve body; Be provided with a through hole on the described fan-shaped selvage; With actuator's homonymy, be provided with the secondary temperature sensor; Described secondary temperature sensor is comprised of fuse sheet, lock bolt, cylindroid helicalcoil compression spring, sleeve pipe, fusible plug fixed base, installation nut; One end of secondary temperature sensor is arranged in the valve body, and the through hole that arranges on the lock bolt in the other end and the fan-shaped selvage is corresponding; Be provided with step on the described lock bolt, be provided with cylindroid helicalcoil compression spring on the left end outer ring of step, and be arranged in the inner chamber of nut, fusible plug fixed base, sleeve pipe formation, the external part on the lock bolt connects with fuse sheet; The other end of described fuse sheet connects with strut on being fixed on sleeve pipe.Simple and direct effective the solution after the breaking out of fire fire-closing valve is closed of the utility model, when the airduct temperature reaches setting value, temp controller action in the locking device, energy is the locking fireproof valve blade in time, make the slit between any two parts of fire-closing valve be no more than all the time setting value, play complete effect every the cigarette back-fire relief.The domestic and international construction project that is widely used in nuclear power engineering and the fire-resistant Smoke prevention class requirement of high standard is arranged.
Description of drawings:
Fig. 1 is the utility model mounting structure schematic diagram;
Fig. 2 is that Fig. 1 A is to view;
Fig. 3 is Fig. 2 B-B direction sectional view;
Fig. 4 is the utility model secondary temperature sensor;
Fig. 5 is the fan-shaped selvage of the utility model.
1. valve body, 2. secondary temperature sensor, 3. fan-shaped selvage, 4. actuator, the 5. main shaft of actuator, 6. fuse sheet, 7. lock bolt, 8. cylindroid helicalcoil compression spring, 9. sleeve pipe, 10. fusible plug fixed base, 11. nuts.
Embodiment: the utility model is described in further detail below in conjunction with accompanying drawing;
Locking device in a kind of fire-closing valve comprises it is characterized in that the main shaft 5 of fan-shaped selvage 3, actuator 4, actuator; Main shaft 5 one ends of actuator are inserted in the valve body 1, and the other end is disposed with back-up ring, fan-shaped selvage 3, actuator 4 from left to right outside valve body 1; Be provided with a through hole on the described fan-shaped selvage; With actuator's 4 homonymies, be provided with secondary temperature sensor 2; Described secondary temperature sensor 2 is comprised of fuse sheet 6, lock bolt 7, cylindroid helicalcoil compression spring 8, sleeve pipe 9, fusible plug fixed base 10, installation nut 11; One end of secondary temperature sensor 2 is arranged in the valve body 1, and the through hole that arranges on the lock bolt 7 in the other end and the fan-shaped selvage 3 is corresponding; Be provided with step on the described lock bolt 7, be provided with cylindroid helicalcoil compression spring 8 on the left end outer ring of step, and be arranged in the inner chamber of nut 11, fusible plug fixed base 10, sleeve pipe 9 formation, the external part on the lock bolt 7 connects with fuse sheet 6; The other end of described fuse sheet 6 connects with strut on being fixed on sleeve pipe 9.During implementation, at fire-closing valve actuator's homonymy is installed, a secondary temperature sensor is installed; The secondary temperature sensor by fuse sheet 6 fusing-off temperatures by 100 ℃, lock bolt 7, cylindroid helicalcoil compression spring 8, sleeve pipe 9, fusible plug fixed base 10, nut 11 be installed formed; On the main shaft that actuator is installed, fix a fan-shaped selvage; Be provided with a hole on the fan-shaped selvage.
The working principle of fire-closing valve locking device is:
Work as breaking out of fire, when air temperature reaches 70 ℃ in the air channel, actuator's action, with the fixing fan-shaped selvage of the main shaft of actuator, main shaft with actuator rotates, when fire-closing valve fully at closing time, the through hole on the fan-shaped selvage faces the lock bolt of secondary temperature sensor.
Air temperature continues to raise in the air channel, when reaching 100 ℃, fuse sheet 6 fusing in the secondary temperature sensor, cylindroid helicalcoil compression spring 8 spring forces discharge, lock bolt 7 is under the spring force of cylindroid helicalcoil compression spring drives, stretch out fusible plug fixed base 10 along sleeve pipe 9, just inject in the through hole of fan-shaped selvage 3.
Because fan-shaped selvage is fixed on the main shaft, when fire-closing valve at high temperature, during some deformable blades, attempt by its axle, pass through again connecting rod, pass to fire-closing valve the main shaft of actuator is installed, force the main shaft of actuator to rotate, at this moment because of the insertion of the through hole on the fan-shaped selvage owing to lock bolt, the main shaft of actuator can't be rotated, thereby solved because the rotation of the main shaft of actuator causes between all blades, produce larger gap problem between blade and the barge board and between blade tip and the sharf supporting frame, thereby guaranteed that fire-closing valve plays complete effect every the cigarette back-fire relief.
4). fire-closing valve reset and the replacing of secondary temperature sensor is installed:
A. actuator 4 is extracted out from the main shaft 5 of actuator;
B. the main shaft 5 of fan-shaped selvage 3 from actuator taken off;
C. secondary temperature sensor 2 is extracted out from valve body 1 housing;
D. pull down the fuse sheet 6 of inefficacy, the fuse sheet that more renews;
E. mounted secondary temperature sensor 2 is inserted valve body 1 housing original position;
F. fan-shaped selvage 3 is fixed on the main shaft 5 of actuator;
G. actuator 4 is fixed on the main shaft 5 of the actuator on valve body 1 housing.
Fire-closing valve is opening state at ordinary times.Work as breaking out of fire, when air temperature reached 70 ℃ in the air channel, fire-closing valve was closed.The control mode that fire-closing valve is closed has 3 kinds: 1) temp controller control autoshutdown; 2) manually control is closed; 3) electronic control is closed.
The fire-closing valve of supporting this device send the American insurance merchant to test institute (UL) test, and all items is qualified.Be 3 hours in the time, refractory temperature is controlled at during 1052 ± 5 ℃ of checkings, and the slit between tested any two parts is no more than 19.1mm, is no more than 25.4mm behind the water spray.
Claims (3)
1. the locking device in the fire-closing valve comprises it is characterized in that the main shaft (5) of fan-shaped selvage (3), actuator (4), actuator; Main shaft (5) one ends of actuator are inserted in the valve body (1), and the other end is disposed with back-up ring, fan-shaped selvage (3), actuator (4) from left to right outside valve body (1); With actuator (4) homonymy, be provided with secondary temperature sensor (2); Described secondary temperature sensor (2) is comprised of fuse sheet (6), lock bolt (7), cylindroid helicalcoil compression spring (8), sleeve pipe (9), fusible plug fixed base (10), installation nut (11).
2. the locking device in a kind of fire-closing valve according to claim 1 is characterized in that: be provided with a through hole on the described fan-shaped selvage (3); One end of secondary temperature sensor (2) is arranged in the valve body (1), and the lock bolt in the other end (7) is corresponding with the upper through hole that arranges of fan-shaped selvage (3).
3. according to claim 1, the locking device in 2 described a kind of fire-closing valves, it is characterized in that: described lock bolt is provided with step on (7), be provided with cylindroid helicalcoil compression spring (8) on the left end outer ring of step, and be arranged in the inner chamber of nut (11), fusible plug fixed base (10), sleeve pipe (9) formation, the external part on the lock bolt (7) connects with fuse sheet (6); Described fuse sheet 6) the other end connects with strut on being fixed on sleeve pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220334340 CN202746698U (en) | 2012-07-11 | 2012-07-11 | Locking device in fire resisting damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220334340 CN202746698U (en) | 2012-07-11 | 2012-07-11 | Locking device in fire resisting damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202746698U true CN202746698U (en) | 2013-02-20 |
Family
ID=47706097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220334340 Expired - Lifetime CN202746698U (en) | 2012-07-11 | 2012-07-11 | Locking device in fire resisting damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202746698U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788180A (en) * | 2012-07-11 | 2012-11-21 | 江苏阿波罗空调净化设备制造有限公司 | Locking device in fire damper |
| CN106246976A (en) * | 2016-09-27 | 2016-12-21 | 重庆双江消防通风设备制造安装有限公司 | A kind of meltable bar |
-
2012
- 2012-07-11 CN CN 201220334340 patent/CN202746698U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788180A (en) * | 2012-07-11 | 2012-11-21 | 江苏阿波罗空调净化设备制造有限公司 | Locking device in fire damper |
| CN106246976A (en) * | 2016-09-27 | 2016-12-21 | 重庆双江消防通风设备制造安装有限公司 | A kind of meltable bar |
| CN106246976B (en) * | 2016-09-27 | 2018-06-19 | 重庆双江消防通风设备制造安装有限公司 | A kind of meltable bar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130220 |