CN212564456U - Smoke exhaust fire prevention valve capable of controlling size of smoke exhaust hole - Google Patents
Smoke exhaust fire prevention valve capable of controlling size of smoke exhaust hole Download PDFInfo
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- CN212564456U CN212564456U CN202020292366.1U CN202020292366U CN212564456U CN 212564456 U CN212564456 U CN 212564456U CN 202020292366 U CN202020292366 U CN 202020292366U CN 212564456 U CN212564456 U CN 212564456U
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- smoke
- hole
- barrier plate
- fire damper
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Abstract
The utility model discloses a fire damper discharges fume of steerable discharge hole size, including fixed plate and promotion piece, fixed plate one side is fixed with the exhaust-gas passage, and wherein, the inside first barrier plate that is fixed with of exhaust-gas passage, first logical cigarette hole has been seted up to first barrier plate one side, and the inside body wall of exhaust-gas passage who is close to first barrier plate has seted up first spout, and the inside guide way of having seted up of first spout, the second spout has been seted up at first spout top. This fire damper of discharging fume of steerable smoke exhaust hole size is provided with the connecting rod and can promotes the piece through the pulling and remove, so that the connecting rod removal can drive the second barrier plate and remove, can slide with first spout when the second barrier plate removes, thereby can drive the second smoke exhaust hole when the second barrier plate removes and remove, can block first smoke exhaust hole when the second barrier plate is gliding, the size in first smoke exhaust hole can be adjusted according to user's demand to the convenience.
Description
Technical Field
The utility model relates to a fire control unit technical field specifically is a fire prevention valve of discharging fume of steerable discharge hole size.
Background
The smoke-discharging fire-resisting valve is a fire-resisting component, generally mounted on the pipeline of mechanical smoke-discharging system, normally is opened, when fire hazard occurs, the smoke-discharging fire-resisting valve is opened, when the smoke-discharging pipeline interior smoke temp. is reached to 280 deg.C, and closed, and can meet the requirements of smoke-leaking quantity and fire-resisting integrity in a certain time so as to implement the functions of isolating smoke and resisting fire. The main materials are as follows: carbon steel, galvanized sheet, stainless steel.
The smoke exhaust fire damper on the market at present has many defects, and inconvenient regulation leads to the size of cigarette hole, and the barrier plate is inconvenient fixed, does not have the direction function, consequently urgent need can improve the technique of the smoke exhaust fire damper structure of steerable smoke hole size on the market, perfects this equipment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fire damper of discharging fume of steerable discharge fume hole size to solve the fire damper of discharging fume on the present market that the above-mentioned background art provided and have many defects, the inconvenient size of adjusting the through-smoke hole, the barrier plate is inconvenient fixed, does not have the problem of direction function.
In order to achieve the above object, the utility model provides a following technical scheme: a smoke-discharging fire-proof valve capable of controlling the size of a smoke-discharging hole comprises a fixed plate and a pushing block, wherein a smoke-discharging channel is fixed on one side of the fixed plate; a first barrier plate is fixed inside the smoke exhaust channel, a first smoke through hole is formed in one side of the first barrier plate, a first sliding groove is formed in the wall, close to the first barrier plate, of the inside of the smoke exhaust channel, a guide groove is formed inside the first sliding groove, a second sliding groove is formed in the top of the first sliding groove, extrusion grooves are formed in two sides of the second sliding groove, a spring is installed inside each extrusion groove, and a steel ball is fixed on one side of each spring; the inside gomphosis of first spout has the second barrier plate, and second ventilation hole has been seted up to second barrier plate one side, and second barrier plate one side that is close to the guide way is fixed with the dead lever, and dead lever one side is connected with the rotary rod, and the leading wheel has been cup jointed to rotary rod one side, and the second barrier plate top that is close to the second spout is fixed with the connecting rod, and the promotion piece of keeping away from the second barrier plate is fixed at one section at the connecting rod.
Preferably, the first smoke through hole and the second smoke through hole are rectangular, and the size of the first smoke through hole is matched with that of the second smoke through hole.
Preferably, the thickness of the second blocking plate is the same as the thickness of the first sliding chute, and the second blocking plate is in sliding connection with the first sliding chute.
Preferably, four groups of rotating rods and four groups of guide wheels are arranged, and a rotating structure is formed between the rotating rods and the guide wheels.
Preferably, eight groups of the extrusion groove, the spring and the steel ball are arranged, and a telescopic structure is formed between the extrusion groove and the steel ball relative to the spring.
Preferably, the connecting rod is rectangular with the second spout, and the second spout constitutes sliding connection with pushing between the piece through the connecting rod.
Compared with the prior art, this fire damper of discharging fume of steerable discharge hole size, the beneficial effects of the utility model are that:
the cigarette box has the beneficial effects that 1, the connecting rod is arranged and can move by pulling the pushing block, so that the connecting rod can drive the second blocking plate to move, the second blocking plate can slide with the first sliding groove when moving, the second blocking plate can drive the second cigarette through hole to move when moving, the first cigarette through hole can be blocked when the second blocking plate slides, and the size of the first cigarette through hole can be conveniently adjusted according to the requirement of a user.
The fixing rod can move through the second blocking plate, so that the fixing rod can be driven to move with the guide wheel when moving, the guide wheel can slide through the guide groove when moving, the guide wheel can rotate through the rotary rod when sliding, and the second blocking plate can guide through the guide wheel and the guide groove when moving conveniently.
Drawings
FIG. 1 is a front view of the cross-sectional structure of the present invention;
FIG. 2 is a schematic top view of the cross-sectional structure of the present invention;
FIG. 3 is a schematic side view of the cross-sectional structure of the present invention;
FIG. 4 is an enlarged schematic view of part A of the present invention;
fig. 5 is an enlarged schematic view of the part B of the present invention.
In the figure: 1. a fixing plate; 2. a smoke evacuation channel; 3. a first barrier plate; 4. a first smoke through hole; 5. a first chute; 6. a guide groove; 7. a second chute; 8. a second barrier plate; 9. a second smoke vent; 10. fixing the rod; 11. rotating the rod; 12. a guide wheel; 13. extruding a groove; 14. a spring; 15. steel balls; 16. a connecting rod; 17. and (4) pushing the block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a steerable smoke exhaust fire prevention valve of hole size, includes fixed plate 1, smoke exhaust passage 2, first barrier plate 3, first logical cigarette hole 4, first spout 5, guide way 6, second spout 7, second barrier plate 8, second logical cigarette hole 9, dead lever 10, rotary rod 11, leading wheel 12, extrusion groove 13, spring 14, steel ball 15, connecting rod 16 and promotion piece 17, fixed plate 1 one side is fixed with smoke exhaust passage 2.
A first barrier plate 3 is fixed inside the smoke exhaust channel 2, one side of the first barrier plate 3 is provided with a first smoke through hole 4, the first smoke through hole 4 and a second smoke through hole 9 are both rectangular, the size of the first smoke through hole 4 is matched with that of the second smoke through hole 9, the second barrier plate 8 can slide with the first chute 5 when moving, the second barrier plate 8 can drive the second smoke through hole 9 to move when moving, the first smoke through hole 4 can be blocked when the second barrier plate 8 slides, the inner body wall of the smoke exhaust channel 2 close to the first barrier plate 3 is provided with a first chute 5, the first chute 5 is internally provided with a guide groove 6, the top of the first chute 5 is provided with a second chute 7, two sides of the second chute 7 are provided with extrusion grooves 13, the extrusion grooves 13, springs 14 and steel balls 15 are provided with eight groups, and a telescopic structure is formed between the extrusion grooves 13 and the steel balls 15 by the springs 14, can extrude steel ball 15 when connecting rod 16 slides, steel ball 15 can extrude spring 14 when receiving the extrusion, can reset steel ball 15 through spring 14's self elasticity when connecting rod 16 roll-off steel ball 15's position, can extrude connecting rod 16 after steel ball 15 resets fixedly, and extrusion groove 13 internally mounted has spring 14, and spring 14 one side is fixed with steel ball 15.
A second barrier plate 8 is embedded in the first chute 5, the thickness of the second barrier plate 8 is the same as the thickness of the first chute 5, the second barrier plate 8 is in sliding connection with the first chute 5, a connecting rod 16 can drive the second barrier plate 8 to move when moving, the second barrier plate 8 can slide with the first chute 5 when moving, a second smoke vent 9 is arranged on one side of the second barrier plate 8, a fixing rod 10 is fixed on one side of the second barrier plate 8 close to the guide groove 6, a rotating rod 11 is connected on one side of the fixing rod 10, four groups of rotating rods 11 and guide wheels 12 are arranged, a rotating structure is formed between the rotating rods 11 and the guide wheels 12, the rotating rods 11 can be driven to move with the guide wheels 12 when moving by the fixing rod 10, the guide wheels 12 can slide through the guide groove 6 when moving, the guide wheels 12 can rotate through the rotating rods 11 when sliding, leading wheel 12 has been cup jointed on 11 one side of rotary rod, 8 tops of second barrier plate near second spout 7 are fixed with connecting rod 16, connecting rod 16 is the rectangle form with second spout 7, and constitute sliding connection through connecting rod 16 between second spout 7 and the promotion piece 17, connecting rod 16 slides through pulling promotion piece 17 and second spout 7, can extrude steel ball 15 when connecting rod 16 slides, the promotion piece 17 of keeping away from second barrier plate 8 is fixed at connecting rod 16 one section.
The working principle is as follows: when the smoke-discharging fire damper with the controllable smoke-discharging hole size is used, firstly, the smoke-discharging fire damper with the controllable smoke-discharging hole size needs to be simply known, when in use, the pushing block 17 can be pulled to drive the connecting rod 16 to move, the connecting rod 16 can slide with the second chute 7 when moving, the connecting rod 16 can extrude the steel ball 15 when sliding, the steel ball 15 can extrude the spring 14 when being extruded, when the connecting rod 16 slides out of the position of the steel ball 15, the steel ball 15 can be reset through the self elasticity of the spring 14, the connecting rod 16 can be extruded and fixed after the steel ball 15 is reset, the second blocking plate 8 can be fixed after the connecting rod 16 is fixed, the connecting rod 16 can drive the second blocking plate 8 to move while moving, the second blocking plate 8 can slide with the first chute 5 when moving, so that the second smoke-discharging hole 9 can be driven to move when moving, the second blocks that 8 gliding simultaneously can block first logical cigarette hole 4, the second blocks that 8 gliding of board can drive dead lever 10 when sliding and removes, dead lever 10 can drive rotary rod 11 and leading wheel 12 when removing and remove, leading wheel 12 can slide through guide way 6 when removing, leading wheel 12 can rotate through rotary rod 11 when sliding, can adjust the size of first logical cigarette hole 4 according to user's demand, the content of not doing detailed description in this description belongs to the known prior art of the professional skilled person in this field.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a steerable smoke exhaust fire prevention valve of hole size, includes fixed plate (1) and promotes piece (17), its characterized in that: one side of the fixed plate (1) is fixed with a smoke exhaust channel (2), wherein,
a first blocking plate (3) is fixed inside the smoke exhaust channel (2), a first smoke through hole (4) is formed in one side of the first blocking plate (3), a first sliding groove (5) is formed in the inner body wall of the smoke exhaust channel (2) close to the first blocking plate (3), a guide groove (6) is formed inside the first sliding groove (5), a second sliding groove (7) is formed in the top of the first sliding groove (5), extrusion grooves (13) are formed in two sides of the second sliding groove (7), a spring (14) is installed inside each extrusion groove (13), and a steel ball (15) is fixed on one side of each spring (14);
inside gomphosis of first spout (5) has second barrier plate (8), second through-smoke hole (9) have been seted up to second barrier plate (8) one side, second barrier plate (8) one side that is close to guide way (6) is fixed with dead lever (10), dead lever (10) one side is connected with rotary rod (11), leading wheel (12) have been cup jointed to rotary rod (11) one side, second barrier plate (8) top that is close to second spout (7) is fixed with connecting rod (16), it fixes in connecting rod (16) one section to keep away from promotion piece (17) that second barrier plate (8).
2. A smoke evacuation fire damper according to claim 1, wherein said smoke evacuation fire damper further comprises: the first smoke through hole (4) and the second smoke through hole (9) are rectangular, and the size of the first smoke through hole (4) is matched with that of the second smoke through hole (9).
3. A smoke evacuation fire damper according to claim 1, wherein said smoke evacuation fire damper further comprises: the thickness of the second stop plate (8) is the same as the thickness of the first sliding chute (5), and the second stop plate (8) is in sliding connection with the first sliding chute (5).
4. A smoke evacuation fire damper according to claim 1, wherein said smoke evacuation fire damper further comprises: four groups of rotating rods (11) and four groups of guide wheels (12) are arranged, and a rotating structure is formed between the rotating rods (11) and the guide wheels (12).
5. A smoke evacuation fire damper according to claim 1, wherein said smoke evacuation fire damper further comprises: eight groups of extrusion grooves (13), springs (14) and steel balls (15) are arranged, and a telescopic structure is formed between the extrusion grooves (13) and the steel balls (15) relative to the springs (14).
6. A smoke evacuation fire damper according to claim 1, wherein said smoke evacuation fire damper further comprises: the connecting rod (16) and the second sliding chute (7) are rectangular, and the second sliding chute (7) and the pushing block (17) are in sliding connection through the connecting rod (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020292366.1U CN212564456U (en) | 2020-03-11 | 2020-03-11 | Smoke exhaust fire prevention valve capable of controlling size of smoke exhaust hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020292366.1U CN212564456U (en) | 2020-03-11 | 2020-03-11 | Smoke exhaust fire prevention valve capable of controlling size of smoke exhaust hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212564456U true CN212564456U (en) | 2021-02-19 |
Family
ID=74619613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020292366.1U Active CN212564456U (en) | 2020-03-11 | 2020-03-11 | Smoke exhaust fire prevention valve capable of controlling size of smoke exhaust hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212564456U (en) |
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2020
- 2020-03-11 CN CN202020292366.1U patent/CN212564456U/en active Active
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