CN211245300U - Opening adjusting structure of spray head in flame retardant device special for sponge - Google Patents
Opening adjusting structure of spray head in flame retardant device special for sponge Download PDFInfo
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- CN211245300U CN211245300U CN201922087054.7U CN201922087054U CN211245300U CN 211245300 U CN211245300 U CN 211245300U CN 201922087054 U CN201922087054 U CN 201922087054U CN 211245300 U CN211245300 U CN 211245300U
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Abstract
The utility model provides a structure is adjusted to aperture of shower nozzle among special fire-retardant device of sponge belongs to sponge production facility technical field. The nozzle is internally provided with a rectangular air outlet, a first metal sheet and a second metal sheet are arranged at the tail end close to the air outlet, the first metal sheet and the second metal sheet intercept the cross section of the whole air outlet, a dodging port is arranged on the wall of the air outlet close to the middle part of the first metal sheet, a plurality of air guide grooves are respectively arranged on one side surface of the first metal sheet and the second metal sheet, which are attached to each other at the two end parts, the aperture of each air guide groove is gradually reduced from the end part to the middle part until the aperture disappears, so that the middle parts of the first metal sheet and the second metal sheet are attached to each other to intercept the air outlet, and the thermal expansion coefficient of the first metal; the middle part of the first metal sheet can be deformed and bent towards the avoidance hole, so that the air outlet hole is smooth. The utility model has the advantages of can select different jet-propelled apertures according to the temperature.
Description
Technical Field
The utility model belongs to the technical field of sponge production facility, a structure is adjusted to aperture of shower nozzle in special fire-retardant device of sponge is related to.
Background
The sponge belongs to inflammables, in the production process, accumulational sponge leads to ventilating not smooth and spontaneous combustion easily, from inside to outside burning also takes place easily in the foam molding process, put out a fire very difficultly after the sponge burning, on the one hand, the permeability of sponge is relatively poor, gaseous or liquid flame retardant medium is difficult to get into in the short time, plus high temperature orders about, the degree of difficulty that flame retardant medium got into the sponge inside is bigger, on the other hand, cause splash easily among the sponge burning process, high temperature material such as stream of lying, cause the damage to fire control operation personnel easily, current fire extinguisher all is direct spray type fire extinguisher, the operation is on the sponge surface, be difficult to reach the effect of high-efficient fire extinguishing, although the jet distance is far away, but, be the dispersion form at the injection end, pressure is relatively less, can't put out.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a structure is adjusted to the aperture of shower nozzle among the special fire-retardant device of sponge to the above-mentioned problem that prior art exists, the utility model aims to solve the technical problem of how selectivity blowout medium of putting out a fire.
The purpose of the utility model can be realized by the following technical proposal: the opening adjusting structure of the spray nozzle in the flame retardant device special for the sponge is characterized by comprising a tank body, a spray pipe connected with the tank body and a plurality of spray nozzles connected with the tail end of the spray pipe, wherein the spray nozzles are tubular, the end parts of the spray nozzles are provided with sharp thorn parts, the spray nozzles are parallel to each other, the spray nozzles are connected with the spray pipe after being connected in parallel, and liquid carbon dioxide is filled in the tank body;
the spray head is internally provided with a rectangular air outlet, a first metal sheet and a second metal sheet are arranged at the tail end close to the air outlet, the first metal sheet and the second metal sheet intercept the cross section of the whole air outlet, a dodging port is arranged on the wall of the air outlet close to the middle part of the first metal sheet, a plurality of air guide grooves are arranged on one side surface of the first metal sheet and one side surface of the second metal sheet, which are attached to each other at two end parts, the aperture of each air guide groove is gradually reduced from the end part to the middle part until the aperture disappears, so that the middle parts of the first metal sheet and the second metal sheet are attached to each other to intercept the air outlet, and the thermal expansion coefficient of the first metal sheet is; the middle part of the first metal sheet can be deformed and bent towards the avoidance hole to enable the air outlet hole to be smooth.
Because the shower nozzle is numerous, every shower nozzle all spouts gas, has the weakening to the jet-propelled pressure of single shower nozzle, and the inside burning of sponge is from the not very easy accurate combustion area of finding in appearance, in addition dense smoke's existence, for accurate putting out a fire, sets up the bimetallic strip structure in the shower nozzle, can be under different temperature effects the end that the rotatability switches on the shower nozzle.
Specifically, because the air guide grooves close to one end of the air source and the air guide grooves close to the air outlet end are symmetrically distributed, the corresponding air guide grooves on the first metal sheet and the second metal sheet form a conical air guide hole, the hole diameter of the air guide grooves close to the middle parts of the first metal sheet and the second metal sheet is zero, when the first metal sheet is not deformed, the air outlet hole is cut off by the first metal sheet and the second metal sheet, the higher the temperature of the first metal sheet and the second metal sheet is, the larger the deformation of the first metal sheet is, the larger the ventilation section is, otherwise, the smaller the ventilation section is, when fire is extinguished, if the spray head is inserted into a non-ignition area, gas is not sprayed, and the spray pressure of other spray heads in the ignition area is higher.
Furthermore, the first metal sheet is zinc alloy, and the second metal sheet is copper.
Further, rubber sheets are arranged on the inner sides of the first metal sheet and the second metal sheet, and the air guide grooves are formed in the rubber sheets.
Furthermore, the avoidance outlet is provided with an adjusting spring, one end of the adjusting spring is abutted against the outer side face of the first metal sheet, the other end of the adjusting spring is abutted against a pressing plate, the pressing plate is connected with an adjusting bolt, a through hole is formed in the sprayer, the adjusting bolt penetrates through the through hole, and the adjusting bolt is connected with a locking nut through threads.
The pressure plate can adjust the resistance of the deformation of the first metal sheet through the locking nut, and the end parts of the first metal sheet and the second metal sheet are fixed on the inner wall of the air outlet hole in the spray head.
Drawings
FIG. 1 is a schematic structural view of the sponge flame retardant device after the tank body is removed.
Fig. 2 is a sectional view taken in the direction a-a in fig. 1.
Fig. 3 is a schematic view of the structure of the winding wheel.
Fig. 4 is a schematic view showing the distribution of three chains.
Fig. 5 is a schematic plan view of the mounting bracket.
Fig. 6 is a cross-sectional view of the spray head.
Fig. 7 is a sectional view in the direction B-B in fig. 6.
Fig. 8 is a schematic structural view of the telescopic mechanism.
In the figure, 1, a spray pipe; 11. a spray head; 12. a pressure limiting valve; 13. a fixed section; 14. coiling the section; 2. a storage cylinder; 3. a mounting frame; 31. a fixing plate; 32. a movable plate; 4. a chain; 51. a winding wheel; 52. a driving wheel; 53. a synchronizing wheel; 54. a pinch roller; 55. an intermediate wheel; 56. a sleeve; 57. a first spring; 61. a pipe winding wheel; 62. winding the pipe groove; 63. A third joint; 64. supporting a tube; 65. a second spring; 71. an air outlet; 72. a first metal sheet; 73. a second metal sheet; 74. avoiding the mouth; 75. a gas guide groove; 76. the spring is adjusted.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, the flame retardant device comprises a tank body, a spray pipe 1 connected with the tank body, a storage barrel 2 fixed on the tank body, a plurality of spray heads 11 connected with the tail end of the spray pipe 1, a mounting frame 3 for mounting the spray heads 11, a telescopic mechanism connected between the storage barrel 2 and the mounting frame 3, and an adjusting mechanism allowing the distance between the two ends of the spray pipe 1 to be variable under the condition of keeping communication, wherein the spray heads 11 are tubular, the end parts of which are provided with sharp thorn parts, the spray heads 11 are parallel to each other, the spray heads 11 are connected with the spray pipe 1 after being connected in parallel, a pressure limiting valve 12 is arranged between the spray pipe 1 and.
The switch of the internal carbon dioxide gas high pressure blowout spray tube 1 of jar of body and control jar is conventional structure among the current fire extinguisher, in order to realize remotely putting out a fire shower nozzle 11 propelling movement to assigned position, set up telescopic machanism between jar body and shower nozzle 11, the mounting panel propelling movement to the suitable position that will carry shower nozzle 11, and spray tube 1's length also can realize that length is variable through adjustment mechanism, under this condition, the mounting panel can be delivered to corresponding position, the inside of sponge under the internal combustion state is inserted through a plurality of shower nozzles 11 that have spine portion, it becomes light to put out a fire under the sponge internal combustion state, safety and high efficiency.
As shown in fig. 1, 2, 4 and 8, the telescopic mechanism includes at least two chains 4 with only one plane freedom of movement, winding wheels 51 corresponding to the chains 4 one by one, and a synchronous structure capable of driving the winding wheels 51 to rotate synchronously and in the same direction, the moving planes of the chains 4 are crossed, one end of each chain 4 is fixed to the corresponding winding wheel 51, and the other end of each chain 4 is connected with the mounting frame 3.
Because the chains 4 are the chains 4 which can be bent in a single plane, namely, all rotating shafts of the chains 4 are parallel to each other, and the chain links are connected end to end and have a common flexible linking structure, under the condition that the end parts of the chains 4 are limited and the degree of freedom planes are not in the same plane, the integral structure formed by the chains 4 has the advantage that when one end of the integral structure is rolled, the other end of the integral structure is extended or retracted straightly, so that the effect of pushing or pulling back the mounting plate linearly can be realized.
The number of the chains 4 is three, and the included angle between the movable planes of the adjacent chains 4 is 60 degrees.
The synchronous structure comprises a transmission wheel 52 coaxial with the winding wheel 51, two pressing wheels 54, intermediate wheels 55 in one-to-one correspondence with the transmission wheel 52, and synchronizing wheels 53 coaxial with the intermediate wheels 55, wherein the pressing wheels 54, the synchronizing wheels 53, the intermediate wheels 55 and the transmission wheel 52 are all bevel gears, the intermediate wheels 55 and the synchronizing wheels 53 are arranged at intervals, the intermediate wheels 55 are meshed with the synchronizing wheels 53 adjacent to the intermediate wheels 55, the two pressing wheels 54 are symmetrically distributed, the pressing wheels 54, the intermediate wheels 55, the transmission wheel 52 and the synchronizing wheels 53 are connected to the storage barrel 2 in a rotating mode, the transmission wheel 52 is located between the two pressing wheels 54, and each transmission wheel 52 is meshed with the two pressing wheels 54 simultaneously.
When the chains 4 are wound around the winding wheel 51, the links of the chains 4 are in the same plane, so that when the chains 4 have the same size and the winding wheel 51 has the same size, the chains 4 are loosened to the same extent during winding, and in order to ensure synchronization of the chains 4, the winding wheel 51 is provided with a transmission wheel 52 and a synchronizing wheel 53 coaxially, and the synchronizing wheels 53 are rotated to the same direction by an intermediate wheel 55, and the winding wheel 51 is rotated at the same speed by a pinch roller 54.
The axes of the two pressing wheels 54 are respectively fixedly connected with a sleeve 56, the spray pipe 1 is rotatably connected in the sleeve 56, the spray pipe 1 is simultaneously connected with the tank body and the spray head 11 after penetrating through the two sleeves 56, and a first hair strip 57 is connected between at least one sleeve 56 and the storage barrel 2.
The presence of the first spring 57 enables the automatic winding up of the chain 4 after it has been pulled out.
The telescopic mechanism may also be a structure capable of linearly extending and retracting, such as an air cylinder, a linear motor, etc., which is not described herein.
As shown in fig. 1 and 3, the nozzle 1 includes a hard fixed section 13 penetrating through the casing 56 and a soft furling section 14 connecting the fixed section 13 and the nozzle 11, the adjusting mechanism includes a winding wheel 61, a winding groove 62 is formed on the winding wheel 61, a three-joint 63 is inserted in the middle of the winding groove 62, one end of the three-joint 63 is connected to the nozzle 1, the other two ends of the three-joint 63 are in the same straight line, the two joints in the same straight line are respectively rotatably connected in the axial hole of the winding wheel 61, two ends of the axial hole of the winding wheel 61 are respectively rotatably connected to a support tube 64, the two support tubes 64 are respectively communicated with the two joints in the same straight line on the three-joint 63, the support tubes 64 are fixedly connected to the mounting frame 3, and the support tubes 64 are respectively connected to the axial hole of the winding wheel 61 through a second spring 65.
In order to ensure that the supporting pipe 64 connected with the end of the spray pipe 1 is in a static state during the rotation of the winding wheel 61, the end of the winding section 14 is provided with a three-joint 63, two joints of the three-joint 63 which are positioned on the same straight line are rotatably connected in the supporting pipe 64, the supporting pipe 64 is rotatably connected in a shaft hole of the winding wheel 61, the supporting pipe 64 is communicated with each spray head 11 through a hose, after the high-pressure gas in the tank body is sprayed out, the gas can not be sprayed out at the end of the spray head 11 under the action of the pressure limiting valve 12 until the pressure reaches the limited value of the pressure limiting valve 12, before the pressure in the spray pipe 1 is higher, the axial direction of the spray pipe 1 is subjected to a higher driving force, the driving force drives the spray pipe 1 to be straight, so that the winding wheel 61 overcomes the restoring force of the second spring 65 to discharge the spray pipe 1, and simultaneously, the chain 4 also extends out, and, realize the long-distance fire extinguishing, and the mounting panel is straight to stretch out or retract relatively, is convenient for operation and control.
As another technical scheme, the adjusting mechanism of the spray pipe 1 can be a plurality of short pipes sleeved in a stepped manner, and the connected short pipes are sealed and can slide mutually.
As shown in fig. 1 and 5, the mounting frame 3 includes a fixed plate 31 and two movable plates 32 rotatably connected to two sides of the fixed plate 31, respectively, the spray head 11 is mounted on the movable plates 32, the chain 4 is connected to the fixed plate 31, the storage barrel 2 has a rectangular storage cavity, the movable plates 32 are hinged to the fixed plate 31 by a pin, and a torsion spring is wound on the pin to drive the movable plates 32 and the fixed plate 31 to be on the same plane; the nozzles 11 on the two movable plates 32 are staggered with each other.
Except the tank body, other structures are a whole body which can be repeatedly used, and one end of the spray pipe 1 connected with the tank body is detachably connected with the tank body.
The movable plate 32 and the fixed plate 31 are U-shaped after being folded and can be stored in the storage barrel 2, after the movable plate 32 is unfolded, the distribution area of the spray head 11 is large, the fire extinguishing range is facilitated, the air injection end is directly opposite to the ignition area of the sponge, the air injection pressure is large, and the fire extinguishing efficiency is high.
The pipe winding wheel 61 is fixedly connected with the fixed plate 31 through a support pipe 64, a hose is connected on the support pipe 64, and the hose is connected with the pressure limiting valve 12 arranged on the movable plate 32 and then is connected with the spray head 11.
As shown in fig. 6 and 7, the nozzle 11 has a rectangular air outlet 71, a first metal sheet 72 and a second metal sheet 73 are disposed at the end of the air outlet 71, the first metal sheet 72 and the second metal sheet 73 intercept the entire cross section of the air outlet 71, a relief opening 74 is disposed on the wall of the air outlet 71 near the middle of the first metal sheet 72, a plurality of air guide grooves 75 are disposed on one side of the first metal sheet 72 and the second metal sheet 73, which are abutted against each other at two ends of the first metal sheet 72 and the second metal sheet 73, the aperture of the air guide grooves 75 gradually decreases from the ends to the middle, so that the middle of the first metal sheet 72 and the second metal sheet 73 are abutted against each other to intercept the air outlet 71, and the coefficient of thermal expansion of the first metal sheet 72 is greater than that of the; the middle part of the first metal sheet 72 can be deformed and bent towards the avoidance hole, so that the air outlet hole 71 is smooth.
Because shower nozzle 11 is numerous, every shower nozzle 11 all spouts gas, has the weakening to the jet-propelled pressure of single shower nozzle 11, and the burning zone is not very easy accurate to find in the appearance to the inside burning of sponge, in addition the existence of dense cigarette, for accurate putting out a fire, sets up the bimetallic strip structure in the shower nozzle 11, can be under different temperature effects the end of rotation nature conduction shower nozzle 11.
Specifically, because the air guide grooves 75 near one end of the air source and the air guide grooves 75 near the air outlet end are symmetrically distributed, the air guide grooves 75 corresponding to the first metal sheet 72 and the second metal sheet 73 form a conical air guide hole, the hole diameter of the air guide groove 75 near the middle parts of the first metal sheet 72 and the second metal sheet 73 is zero, when the first metal sheet 72 is not deformed, the air outlet hole 71 is cut off by the first metal sheet 72 and the second metal sheet 73, the deformation of the first metal sheet 72 is larger when the first metal sheet 72 and the second metal sheet 73 are subjected to higher temperature, so that the ventilation section is increased, otherwise, the ventilation section is smaller, and when a fire is extinguished, if the spray head 11 is inserted into a non-ignition area, no air is sprayed, so that the air spraying pressure of other spray heads 11 in the ignition area is larger.
The first metal sheet 72 is zinc alloy and the second metal sheet 73 is copper.
Rubber sheets are arranged on the inner sides of the first metal sheet 72 and the second metal sheet 73, and the air guide groove 75 is formed in the rubber sheets.
The avoiding opening 74 is provided with an adjusting spring 76, one end of the adjusting spring 76 is abutted against the outer side face of the first metal sheet 72, the other end of the adjusting spring 76 is abutted against a pressing plate, the pressing plate is connected with an adjusting bolt, a through hole is formed in the spray head 11, the adjusting bolt is arranged in the through hole in a penetrating mode, and a locking nut is connected to the adjusting bolt through threads.
The pressure plate can adjust the deformation resistance of the first metal sheet 72 through the locking nut, and the end parts of the first metal sheet 72 and the second metal sheet 73 are fixed on the inner wall of the air outlet hole 71 on the spray head 11.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (4)
1. The opening adjusting structure of the spray nozzle in the flame retardant device special for the sponge is characterized by comprising a tank body, a spray pipe (1) connected with the tank body and a plurality of spray nozzles (11) connected with the tail end of the spray pipe (1), wherein the spray nozzles (11) are tubular, the end parts of the spray nozzles are provided with sharp pointed parts, the spray nozzles (11) are parallel to each other, the spray nozzles (11) are connected with the spray pipe (1) after being connected in parallel, and liquid carbon dioxide is filled in the tank body;
the nozzle (11) is internally provided with a rectangular air outlet hole (71), a first metal sheet (72) and a second metal sheet (73) are arranged at the tail end close to the air outlet hole (71), the first metal sheet (72) and the second metal sheet (73) intercept the cross section of the whole air outlet hole (71), a dodging opening (74) is formed in the wall of the air outlet hole (71) close to the middle of the first metal sheet (72), a plurality of air guide grooves (75) are formed in one side face, which is close to each other, of two end parts of the first metal sheet (72) and the second metal sheet (73), the aperture of each air guide groove (75) is gradually reduced from the end part to the middle part to disappear, the middle parts of the first metal sheet (72) and the second metal sheet (73) are mutually close to intercept the air outlet hole (71), and the thermal expansion coefficient of the first metal sheet (72) is greater than that of the second metal sheet (73; the middle part of the first metal sheet (72) can be deformed and bent towards the avoidance hole, so that the air outlet hole (71) is smooth.
2. The opening degree adjusting structure of the nozzle of the flame retardant device specially used for sponge according to claim 1, wherein the first metal sheet (72) is zinc alloy, and the second metal sheet (73) is copper.
3. The opening degree adjusting structure of the nozzle of the flame retardant device special for sponge as claimed in claim 1, wherein a rubber sheet is respectively disposed on one side surface of the first metal sheet (72) and the second metal sheet (73) which are close to each other, and the air guide groove is disposed on the rubber sheet.
4. The opening degree adjusting structure of the spray head in the special flame retardant device for sponge according to claim 1, 2 or 3, characterized in that an adjusting spring (76) is arranged at the avoiding opening (74), one end of the adjusting spring (76) abuts against the outer side surface of the first metal sheet (72), the other end of the adjusting spring (76) abuts against a pressing plate, the pressing plate is connected with an adjusting bolt, a through hole is formed in the spray head (11), the adjusting bolt is arranged in the through hole in a penetrating way, and a locking nut is connected to the adjusting bolt through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922087054.7U CN211245300U (en) | 2019-11-27 | 2019-11-27 | Opening adjusting structure of spray head in flame retardant device special for sponge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922087054.7U CN211245300U (en) | 2019-11-27 | 2019-11-27 | Opening adjusting structure of spray head in flame retardant device special for sponge |
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|---|---|
| CN211245300U true CN211245300U (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922087054.7U Active CN211245300U (en) | 2019-11-27 | 2019-11-27 | Opening adjusting structure of spray head in flame retardant device special for sponge |
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| CN (1) | CN211245300U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110755790A (en) * | 2019-11-27 | 2020-02-07 | 湖北世丰汽车内饰有限公司 | Opening adjusting structure of spray head in flame retardant device special for sponge |
-
2019
- 2019-11-27 CN CN201922087054.7U patent/CN211245300U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110755790A (en) * | 2019-11-27 | 2020-02-07 | 湖北世丰汽车内饰有限公司 | Opening adjusting structure of spray head in flame retardant device special for sponge |
| CN110755790B (en) * | 2019-11-27 | 2024-02-13 | 湖北世丰新材料有限公司 | Opening adjusting structure of spray head in special flame retardant device for sponge |
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Address after: 437000 phase III of high tech Industrial Park, Xian'an District, Xianning City, Hubei Province Patentee after: Hubei Shifeng New Material Co.,Ltd. Address before: 437000 phase III of high tech Industrial Park, Xian'an District, Xianning City, Hubei Province Patentee before: HUBEI SHIFENG AUTOMOTIVE INTERIOR Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |