CN110755790A - 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
- Publication number
- CN110755790A CN110755790A CN201911178217.0A CN201911178217A CN110755790A CN 110755790 A CN110755790 A CN 110755790A CN 201911178217 A CN201911178217 A CN 201911178217A CN 110755790 A CN110755790 A CN 110755790A
- Authority
- CN
- China
- Prior art keywords
- metal sheet
- air outlet
- spray
- sponge
- sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007921 spray Substances 0.000 title claims abstract description 67
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 239000003063 flame retardant Substances 0.000 title claims abstract description 14
- 229910052751 metal Inorganic materials 0.000 claims abstract description 84
- 239000002184 metal Substances 0.000 claims abstract description 84
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims description 13
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910001297 Zn alloy Inorganic materials 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 abstract description 4
- 239000007924 injection Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000004804 winding Methods 0.000 description 26
- 230000007246 mechanism Effects 0.000 description 8
- 238000003860 storage Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000002277 temperature effect Effects 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010097 foam moulding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/03—Nozzles specially adapted for fire-extinguishing adjustable, e.g. from spray to jet or vice versa
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0018—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using gases or vapours that do not support combustion, e.g. steam, carbon dioxide
- A62C99/0027—Carbon dioxide extinguishers
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention provides an opening degree adjusting structure of a spray head in a flame retardant device special for sponge, and belongs to the technical field of sponge production equipment. 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 water inlet 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; 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 invention has the advantages of selecting different air injection opening degrees according to the temperature and the like.
Description
Technical Field
The invention belongs to the technical field of sponge production equipment, and relates to an opening adjusting structure of a spray head in a flame retardant device special for sponge.
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.
Disclosure of Invention
The invention aims to provide an opening degree adjusting structure of a spray head in a flame retardant device special for sponge aiming at the problems in the prior art, and the technical problem to be solved by the invention is how to selectively spray fire extinguishing medium.
The purpose of the invention can be realized by the following technical scheme: 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 respectively arranged on one side surface of the first water inlet 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 sheet is greater; 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 are further described with reference to the drawings, 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 water inlet sheet 73 and the second metal sheet 73, which are abutted against each other at two ends of the first metal sheet 75, 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 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.
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 corresponding air guide grooves 75 on the first metal sheet 72 and the second metal sheet 73 form a conical air guide hole, the hole diameter of the air guide hole 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 higher the temperature of the first metal sheet 72 and the second metal sheet 73 is, the larger the deformation of the first metal sheet 72 is, so that the ventilation cross section is increased, otherwise, the ventilation cross section is smaller, and when 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 higher.
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 or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended 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 spray head (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 attached to two end parts of the first water inlet sheet and the second metal sheet (73), of the side face, wherein the two end parts of the first water inlet sheet and the second metal sheet (73) are attached to each other, the aperture of each air guide groove (75) is gradually reduced from the end parts to the middle part until the aperture disappears, the middle parts of the first metal sheet (72) and the second metal sheet (73) are attached to each other to; 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 |
|---|---|---|---|
| CN201911178217.0A CN110755790B (en) | 2019-11-27 | 2019-11-27 | Opening adjusting structure of spray head in special flame retardant device for sponge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911178217.0A CN110755790B (en) | 2019-11-27 | 2019-11-27 | Opening adjusting structure of spray head in special flame retardant device for sponge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110755790A true CN110755790A (en) | 2020-02-07 |
| CN110755790B CN110755790B (en) | 2024-02-13 |
Family
ID=69339579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911178217.0A Active CN110755790B (en) | 2019-11-27 | 2019-11-27 | Opening adjusting structure of spray head in special flame retardant device for sponge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110755790B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112439149A (en) * | 2020-11-16 | 2021-03-05 | 温州画筠信息技术有限公司 | Portable fireproof automatic sprayer |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2036379C1 (en) * | 1992-02-24 | 1995-05-27 | Николай Яковлевич Кириленко | Injector |
| US5678766A (en) * | 1995-07-19 | 1997-10-21 | Peck; William E. | Foam nozzle |
| JP2005118356A (en) * | 2003-10-17 | 2005-05-12 | Fukada Kogyo Kk | Spray fire extinguisher and spray method for liquid extinguishant |
| CN103878077A (en) * | 2012-12-19 | 2014-06-25 | 厦门凯美欧卫浴科技有限公司 | Flow-adjustable shower head |
| CN106670001A (en) * | 2016-09-07 | 2017-05-17 | 中国神华能源股份有限公司 | Nozzle assembly |
| CN107670073A (en) * | 2017-10-23 | 2018-02-09 | 湖州绿昌生态农业有限公司 | A kind of poultry farming chlorination equipment |
| CN207085136U (en) * | 2017-06-26 | 2018-03-13 | 杭州纳宇科技有限公司 | A kind of fire-fighting lance |
| CN209109429U (en) * | 2018-10-15 | 2019-07-16 | 广西裕阳科技有限公司 | A kind of adjustable high pressure long drive spray head of improvement |
| CN211245300U (en) * | 2019-11-27 | 2020-08-14 | 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 CN201911178217.0A patent/CN110755790B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2036379C1 (en) * | 1992-02-24 | 1995-05-27 | Николай Яковлевич Кириленко | Injector |
| US5678766A (en) * | 1995-07-19 | 1997-10-21 | Peck; William E. | Foam nozzle |
| JP2005118356A (en) * | 2003-10-17 | 2005-05-12 | Fukada Kogyo Kk | Spray fire extinguisher and spray method for liquid extinguishant |
| CN103878077A (en) * | 2012-12-19 | 2014-06-25 | 厦门凯美欧卫浴科技有限公司 | Flow-adjustable shower head |
| CN106670001A (en) * | 2016-09-07 | 2017-05-17 | 中国神华能源股份有限公司 | Nozzle assembly |
| CN207085136U (en) * | 2017-06-26 | 2018-03-13 | 杭州纳宇科技有限公司 | A kind of fire-fighting lance |
| CN107670073A (en) * | 2017-10-23 | 2018-02-09 | 湖州绿昌生态农业有限公司 | A kind of poultry farming chlorination equipment |
| CN209109429U (en) * | 2018-10-15 | 2019-07-16 | 广西裕阳科技有限公司 | A kind of adjustable high pressure long drive spray head of improvement |
| CN211245300U (en) * | 2019-11-27 | 2020-08-14 | 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112439149A (en) * | 2020-11-16 | 2021-03-05 | 温州画筠信息技术有限公司 | Portable fireproof automatic sprayer |
| CN112439149B (en) * | 2020-11-16 | 2021-11-26 | 南京涵铭置智能科技有限公司 | Portable fireproof automatic sprayer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110755790B (en) | 2024-02-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211245300U (en) | Opening adjusting structure of spray head in flame retardant device special for sponge | |
| CN110755790A (en) | Opening adjusting structure of spray head in flame retardant device special for sponge | |
| CN211301836U (en) | Remote plug-in type sponge flame-retardant device | |
| CN109432676A (en) | Building fire protection facility networking monitoring linkage extinguishing system | |
| NZ248795A (en) | Sootblower lance nozzle having divergent throat outlet formed between a divergent inner surface of an outer shell and a convergent outer surface of an inner plug | |
| CN211188905U (en) | Winding mechanism of spray pipe in flame retardant device special for sponge | |
| CN211486326U (en) | Telescopic mechanism of fire extinguishing head in special flame retardant device for sponge | |
| US20170100616A1 (en) | Firefighting Nozzle | |
| CN110721421B (en) | Remote plug-in sponge flame retardant device | |
| CN215136321U (en) | Novel cabinet type heptafluoropropane fire extinguishing device | |
| CN111005668A (en) | Fire-proof curtain with fire extinguishing function | |
| CN102114313B (en) | Fire-fighting lance for outer walls of high-rise buildings | |
| CN209967491U (en) | Fire-fighting rescue water gun with puncture, scattering and power functions | |
| CN214485391U (en) | Fixed water-based fire extinguisher | |
| CN210583436U (en) | Multi-angle water-outlet fire-fighting lance | |
| CN114949703A (en) | Mechanical arm for fire-fighting robot to extinguish fire | |
| CN107583218B (en) | Fire-fighting equipment | |
| CN110115813B (en) | Automatic positioning blowing fire extinguishing vehicle for large mountain forest fire | |
| CN114191764A (en) | Unmanned aerial vehicle shower nozzle of putting out a fire | |
| CN106669070A (en) | Portable fine water mist individual fire extinguishing system | |
| CN207342073U (en) | Firefighting fire extinguishing robot impact gun mechanism | |
| CN111821610A (en) | Foam fire-fighting equipment | |
| CN113144490B (en) | Penetrating type breaking-in spraying equipment | |
| CN207462509U (en) | A kind of flow automatic regulation water cannon nozzle | |
| CN106669061A (en) | Telescopic fire gun |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 437000 phase III of high tech Industrial Park, Xian'an District, Xianning City, Hubei Province Applicant after: Hubei Shifeng New Material Co.,Ltd. Address before: 437000 phase III of high tech Industrial Park, Xian'an District, Xianning City, Hubei Province Applicant before: HUBEI SHIFENG AUTOMOTIVE INTERIOR Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |