CN214888938U - Fire-fighting fire-proof valve - Google Patents
Fire-fighting fire-proof valve Download PDFInfo
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- CN214888938U CN214888938U CN202121227963.7U CN202121227963U CN214888938U CN 214888938 U CN214888938 U CN 214888938U CN 202121227963 U CN202121227963 U CN 202121227963U CN 214888938 U CN214888938 U CN 214888938U
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- damper body
- side wall
- straight part
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Abstract
The utility model discloses a fire control is with fire prevention valve belongs to the valve body field. A fire-fighting fire damper comprises a fire damper body, an actuating mechanism arranged at the top of the fire damper body, two clamping plates, a temperature sensor and at least two blades; the fire damper body is fixedly arranged between the two clamping and connecting plates; the fire damper body is of a hollow structure, and mounting plates are arranged on the upper inner side wall and the lower inner side wall of the fire damper body; the upper end and the lower end of each blade and the positions close to the right side of each blade are provided with rotating shafts, and the blades are fixed between the two mounting plates through the rotating shafts; the rotating shaft positioned at the upper end of the blade penetrates through the top end of the fire damper body, extends to the outer side of the fire damper body and is connected with the actuating mechanism. The fire-proof valve can improve the sealing performance of the fire-proof valve and can well prevent fire and toxic high-temperature smoke from spreading and expanding through the air pipe.
Description
Technical Field
The utility model relates to a valve body field, more specifically say, relate to a fire prevention valve for fire control.
Background
Fire dampers are typically installed in ventilation air conditioning system ducts where fire protection is required to prevent the spread of fire along the duct. The working principle of the valve is controlled by the temperature of a memory alloy, and the valve is closed by the action of gravity and a spring mechanism. When a fire occurs, flame invades the air channel, and the high temperature melts the fusible alloy on the valve or deforms the memory alloy to automatically close the valve.
But current fire prevention valve gas tightness is not good, and the fire behavior and poisonous high temperature flue gas of prevention that can not be fine pass through the tuber pipe and stretch and enlarge for security when the fire prevention valve uses is not high, if want the gas tightness good enough, has very high requirement to the size processing of fire prevention plate, and simultaneously, the installation degree of difficulty is higher.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide a fire prevention valve for fire control, it can improve the leakproofness of fire prevention valve, and the prevention intensity of a fire and poisonous high temperature flue gas that can be fine stretch the expansion through the tuber pipe.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
A fire-fighting fire damper comprises a fire damper body, an actuating mechanism arranged at the top of the fire damper body, two clamping plates, a temperature sensor and at least two blades; the fire damper body is fixedly arranged between the two clamping and connecting plates; the fire damper body is of a hollow structure, and mounting plates are arranged on the upper inner side wall and the lower inner side wall of the fire damper body; the upper end and the lower end of each blade and the positions close to the right side of each blade are provided with rotating shafts, and the blades are fixed between the two mounting plates through the rotating shafts; the rotating shaft positioned at the upper end of the blade penetrates through the top end of the fire damper body, extends to the outer side of the fire damper body and is connected with the actuating mechanism; one end of the temperature sensor is fixed inside the actuating mechanism, and the other end of the temperature sensor penetrates through the inner top end of the fire damper body and extends to the inner side of the fire damper body; the inner side wall of the fire damper body is provided with an annular barrier strip; the side wall of the blade close to the barrier strip is tightly attached to the side wall of the barrier strip.
Preferably, the blades comprise a first blade and a plurality of second blades; the first blade comprises a first protrusion, a first straight part and a first groove close to the rotating shaft; the first bulge is arranged on the front side of the left end of the first straight part close to the side wall of the fire damper body, and the blocking strip is provided with a second groove matched with the first bulge; the first groove is arranged at the rear side of the first straight part; one side of the first straight part is tightly attached to the side wall of the fire damper body, and the upper end and the lower end of the other side of the first straight part are fixedly connected with the rotating shaft; the second blade comprises a second protrusion, a second straight part, a bent part, a third straight part and a third groove; the second bulge is arranged on the front side of the second straight part and matched with the first groove; the left side wall of the bending part is tightly attached to the right side wall of the first straight part or the right side wall of the third straight part of the adjacent second blade, and the bending part is respectively vertical to the second straight part and the third straight part; the third groove is arranged on the rear side of the third straight part and is matched with the second bulge on the adjacent second blade; one end of the third straight part is fixedly connected with the bending part, and the upper side and the lower side of the other end are fixedly connected with the rotating shaft.
Preferably, the first blade and the second blade both have magnetism, and the first blade and the second blade are attracted together, and the second blade and the other second blade are attracted together.
Preferably, the blades are coated with a fire-resistant material.
Preferably, the fire prevention valve body and two joint plates are integrated into one piece structure.
Preferably, the rotation angle of the blades is 0-90 °.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) the utility model discloses a fire damper body upper and lower two inside walls all are provided with the mounting panel, and the position that blade upper and lower both ends and be close to blade right side all installs the rotation axis, and a plurality of blades pass through the rotation axis to be fixed between two mounting panels for all lie in annular shield strip one side after the blade opens; the annular stop strip is prevented to the fire prevention valve body inside wall installation, and the blade is hugged closely and is prevented the stop strip lateral wall and hug closely the installation of fire prevention valve body inside wall and the processing degree of difficulty than the blade and hang closely and hang down, and then greatly reduced blade size processing and the installation degree of difficulty.
(2) This practicality is close to the lateral wall of preventing the blend stop through the blade and hugs closely in preventing the blend stop lateral wall, can improve the gas tightness between blade and the fire prevention valve body inside wall, further improves the leakproofness of fire prevention valve, effectively prevents intensity of a fire and poisonous high temperature flue gas and stretchs the expansion through the tuber pipe.
(3) This practicality has first arch on through first blade, prevent on the blend stop set up with first protruding assorted first recess, improve first blade and prevent the gas tightness between the blend stop, further improvement fire prevention valve's gas tightness.
(4) The utility model discloses a have first recess on the first blade, have on the second blade with first recess matched with the second protruding, have on the second blade with the protruding assorted third recess of second on the adjacent second blade, improve the gas tightness of blade between adjacent, further improvement fire prevention valve's gas tightness.
(5) This practicality is hugged closely in fire prevention valve body lateral wall through first straight portion one side on the first blade, and the kink left side wall of second blade is hugged closely in straight portion right side wall or the third straight portion right side wall of adjacent second blade, further improves the gas tightness between the blade, and then improves the gas tightness of fire prevention valve.
Drawings
Fig. 1 is a schematic front structural view of the present invention;
fig. 2 is a schematic view of the back structure of the present invention;
FIG. 3 is a schematic view of the front three-dimensional structure of the clamping plate, the barrier strip, the blade closure and the fire damper body of the present invention;
fig. 4 is a schematic view of the three-dimensional structure of the back surface of the clamping and connecting plate, the blocking strip, the blade closing and the fire damper body of the present invention;
fig. 5 is a schematic view of the three-dimensional structure of the clamping plate, the barrier strip, the blade opening and the back of the fire damper body of the present invention;
fig. 6 is a schematic front perspective view of the barrier strip, the blade closure and the mounting plate of the present invention;
fig. 7 is a schematic front perspective view of the barrier strip, the blade opening and the mounting plate of the present invention;
fig. 8 is a schematic back side perspective view of the barrier strip and the mounting plate of the present invention;
fig. 9 is a schematic top view of the blade of the present invention when closed;
fig. 10 is a schematic top view of the blade of the present invention when opened.
The reference numbers in the figures illustrate:
the fire prevention valve comprises a fire prevention valve body 1, a clamping plate 2, a blocking strip 3, a first groove 301, an actuator 4, a first blade 5, a first protrusion 501, a first groove 502, a first straight part 503, a second blade 6, a second protrusion 601, a second straight part 602, a bent part 603, a third straight part 604, a third groove 605, a rotating shaft 7, an installation plate 8 and a temperature sensor 9.
Detailed Description
Referring to fig. 1-10, a fire-fighting fire damper includes a fire damper body 1, an actuator 4 disposed on the top of the fire damper body 1, two snap plates 2, a temperature sensor 9, and at least two blades; the fire damper body 1 is fixedly arranged between the two clamping and connecting plates 2; the fire damper body 1 is of a hollow structure, and mounting plates 8 are arranged on the upper inner side wall and the lower inner side wall of the fire damper body 1; the upper end and the lower end of each blade and the positions close to the right side of each blade are provided with a rotating shaft 7, and the blades can be opened or closed by rotating the rotating shafts 7; the blades are fixed between two mounting plates 8 through a rotating shaft 7; the rotating shaft 7 positioned at the upper end of the blade passes through the top end of the fire damper body 1, extends to the outer side of the fire damper body 1 and is connected with the actuating mechanism 4; one end of the temperature sensor 9 is fixed inside the actuating mechanism 4, and the other end of the temperature sensor passes through the inner top end of the fire damper body 1 and extends to the inner side of the fire damper body 1; an annular barrier strip 3 is arranged on the inner side wall of the fire damper body 1, and the annular barrier strip 3 is tightly attached to the inner top wall of the fire damper body 1, the inner bottom wall of the fire damper body 1, the inner left side wall of the fire damper body 1 and the inner right side wall of the fire damper body 1;
the side wall of the blade close to the barrier strip 3 is tightly attached to the side wall of the barrier strip 3.
Install the position that needs were used through joint board 2 with fire prevention valve body 1, transfer into mutual parallel distribution through actuating mechanism 4 with the blade, ventilate through fire prevention valve body 1 cavity, when temperature in the cavity was experienced to temperature sensor 9 and reaches certain critical value, can start actuating mechanism 4, actuating mechanism 4 rotates rotation axis 7 and makes open blade closed.
The blade comprises a first blade 5 and a plurality of second blades 6; the first blade 5 includes a first projection 501, a first flat part 503, and a first groove 502 near the rotation shaft 7; the first bulge 501 is arranged on the front side of the left end of the first straight part 503 close to the side wall of the fire damper body 1, and the blocking strip 3 is provided with a second groove 301 matched with the first bulge 501; a first groove 502 is provided on the rear side of the first flat portion 503; one side of the first straight part 503 is tightly attached to the side wall of the fire damper body 1, and the upper end and the lower end of the other side are fixedly connected with the rotating shaft 7; the second blade 6 includes a second protrusion 601, a second straight portion 602, a bent portion 603, a third straight portion 604, and a third groove 605; the second protrusion 601 is disposed at the front side of the second flat portion 602 and matches with the first groove 502; the bending portion 603 is disposed between the second straight portion 602 and the third straight portion 604, a left side wall of the bending portion 603 is closely attached to a right side wall of the first straight portion 503 or a right side wall of the third straight portion 604 of the adjacent second blade 6, and the bending portion 603 is perpendicular to the second straight portion 602 and the third straight portion 604 respectively; a third groove 605 is provided behind the third straight portion 604 and matches the second protrusion 601 on the adjacent second blade 6; one end of the third straight portion 604 is fixedly connected to the bent portion 603, and the other end thereof is fixedly connected to the rotary shaft 7 at both upper and lower sides.
When the blade is closed, the first straight part 503 clings to the barrier strip 3, and the first protrusion 501 is clamped in the second groove 301; the second straight portion 602 of the second blade 6 adjacent to the first blade 5 clings to the first straight portion 503, the second protrusion 601 is clamped in the first groove 502, and the left side wall of the bending portion 603 clings to the right side wall of the straight portion 503. The second straight portion 602 of the second blade 6 adjacent to the second blade 6 is closely attached to the third straight portion 604, the second protrusion 601 is fitted into the third groove 605, the bent portion 603 is closely attached to the right wall of the third straight portion 604 of the second blade 6, and the third straight portion 604 is closely attached to the barrier rib 3.
The blades are coated with a fire-resistant material.
Fire prevention valve body 1 and two joint board 2 are integrated into one piece structure.
The rotation angle of the blade is 0-90 degrees.
Claims (6)
1. The utility model provides a fire prevention valve is used in fire control which characterized in that: the fire-proof valve comprises a fire-proof valve body (1), an actuating mechanism (4) arranged at the top of the fire-proof valve body (1), two clamping plates (2), a temperature sensor (9) and at least two blades;
the fire damper body (1) is fixedly arranged between the two clamping and connecting plates (2);
the fire damper body (1) is of a hollow structure, and mounting plates (8) are arranged on the upper inner side wall and the lower inner side wall of the fire damper body (1);
the upper end and the lower end of each blade and the positions close to the right side of each blade are respectively provided with a rotating shaft (7), and each blade is fixed between two mounting plates (8) through the rotating shaft (7); the rotating shaft (7) positioned at the upper end of the blade penetrates through the top end of the fire damper body (1) to extend to the outer side of the fire damper body (1) and is connected with the actuating mechanism (4);
one end of the temperature sensor (9) is fixed inside the actuating mechanism (4), and the other end of the temperature sensor penetrates through the inner top end of the fire damper body (1) and extends to the inner side of the fire damper body (1);
the inner side wall of the fire damper body (1) is provided with an annular barrier strip (3); the side wall of the blade close to the barrier strip (3) is tightly attached to the side wall of the barrier strip (3).
2. A fire protection valve for fire protection according to claim 1, characterized in that: the blades comprise a first blade (5) and a plurality of second blades (6);
the first blade (5) comprises a first protrusion (501), a first flat part (503) and a first groove (502) close to the rotation axis (7);
the first bulge (501) is arranged on the front side of the left end of the first straight part (503) close to the side wall of the fire damper body (1), and the blocking strip (3) is provided with a second groove (301) matched with the first bulge (501); a first groove (502) is provided on the rear side of the first flat portion (503);
one side of the first straight part (503) is tightly attached to the side wall of the fire damper body (1), and the upper end and the lower end of the other side are fixedly connected with the rotating shaft (7);
the second blade (6) comprises a second protrusion (601), a second straight part (602), a bent part (603), a third straight part (604) and a third groove (605);
the second protrusion (601) is arranged on the front side of the second straight part (602) and matched with the first groove (502);
the bent part (603) is arranged between the second straight part (602) and the third straight part (604), the left side wall of the bent part (603) is closely attached to the right side wall of the first straight part (503) or the right side wall of the third straight part (604) of the adjacent second blade (6), and the bent part (603) is respectively vertical to the second straight part (602) and the third straight part (604);
the third groove (605) is arranged at the rear side of the third straight part (604) and is matched with the second bulge (601) on the adjacent second blade (6);
one end of the third straight part (604) is fixedly connected with the bending part (603), and the upper and lower sides of the other end are fixedly connected with the rotating shaft (7).
3. A fire protection valve for fire protection according to claim 2, wherein: the first blade (5) and the second blade (6) are both magnetic, the first blade (5) and the second blade (6) are attracted together, and the second blade (6) and the other second blade (6) are attracted together.
4. A fire protection valve for fire protection according to claim 1, characterized in that: the blades are coated with a fire-resistant material.
5. A fire protection valve for fire protection according to claim 1, characterized in that: the fire damper body (1) and the two clamping plates (2) are of an integrally formed structure.
6. A fire protection valve for fire protection according to claim 1, characterized in that: the rotation angle of the blade is 0-90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121227963.7U CN214888938U (en) | 2021-06-02 | 2021-06-02 | Fire-fighting fire-proof valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121227963.7U CN214888938U (en) | 2021-06-02 | 2021-06-02 | Fire-fighting fire-proof valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214888938U true CN214888938U (en) | 2021-11-26 |
Family
ID=78902817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121227963.7U Active CN214888938U (en) | 2021-06-02 | 2021-06-02 | Fire-fighting fire-proof valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214888938U (en) |
-
2021
- 2021-06-02 CN CN202121227963.7U patent/CN214888938U/en active Active
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