CN111167059B - Large-caliber spray nozzle temperature sensing mechanism and large-caliber spray nozzle - Google Patents
Large-caliber spray nozzle temperature sensing mechanism and large-caliber spray nozzle Download PDFInfo
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- CN111167059B CN111167059B CN202010247667.7A CN202010247667A CN111167059B CN 111167059 B CN111167059 B CN 111167059B CN 202010247667 A CN202010247667 A CN 202010247667A CN 111167059 B CN111167059 B CN 111167059B
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- glass ball
- spray head
- temperature sensing
- supporting leg
- water outlet
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- 239000007921 spray Substances 0.000 title claims abstract description 43
- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 239000011521 glass Substances 0.000 claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000003825 pressing Methods 0.000 claims abstract description 21
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 10
- 230000004308 accommodation Effects 0.000 claims description 5
- 239000004429 Calibre Substances 0.000 abstract description 6
- 210000002105 tongue Anatomy 0.000 description 11
- 230000004044 response Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910000743 fusible alloy Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
- A62C37/14—Releasing means, e.g. electrically released heat-sensitive with frangible vessels
-
- 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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
-
- 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
- A62C99/0072—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using sprayed or atomised water
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 discloses a temperature sensing mechanism of a large-caliber spray head, which comprises a temperature sensing trigger device, wherein a support frame is provided with a first support leg, a second support leg, a third support leg and a support edge; one end of the pressing block is provided with a guide groove, the other end of the pressing block is provided with a threaded hole, and the middle part of the pressing block is provided with a shoulder part matched with the stabilizing tongue; the glass ball screw is provided with a second accommodating cavity; the glass ball is used for sensing temperature, one end of the glass ball is arranged in the first accommodating cavity, and the other end of the glass ball is arranged in the second accommodating cavity; the utility model provides a heavy-calibre shower nozzle, includes shower nozzle body, end cap, taper screw, is provided with water outlet channel and shower nozzle frame on the shower nozzle body, and the end cap setting is at water outlet end face of water outlet channel, and taper screw closes on the shower nozzle frame and coaxial with the end cap, still includes heavy-calibre shower nozzle temperature sensing mechanism.
Description
Technical Field
The invention relates to the technical field of fire-fighting equipment, in particular to a large-caliber spray head temperature sensing mechanism and a large-caliber spray head.
Background
In fire-fighting equipment, the fire-fighting nozzle is the main device, directly faces the fire scene, the existing fire-fighting nozzle mainly adopts glass balls (tubes) or fusible alloy as the temperature sensing and triggering release elements, the structure is applicable to the fire-fighting nozzle with small flow, but in the fire-fighting nozzle with large flow, because the pipe diameter is large, the pressure of fire-fighting liquid to the plug (also called sealing element) on the body is large, the common temperature sensing glass ball (tube) supporting structure can not bear, if the diameter of the temperature sensing glass ball is increased, the defects of large heat capacity and poor response speed of temperature sensing effect exist, therefore, the structure adopting component force of a supporting plate is developed, as patent number 201320512164.3 discloses a quick response nozzle, the quick response control assembly comprises a triangular support balance body formed by a balance plate, a support plate and a temperature sensing glass ball, wherein the upper end of the support plate is rotationally connected with the left end of the balance plate through a pin shaft, the lower end of the support plate is propped against the plug, a support seat connected with the support plate is arranged on the right side of the support plate, the bottom end of the temperature sensing glass ball is propped against the support seat through the temperature sensing glass ball seat, the top end of the temperature sensing glass ball is propped against the lower part of the right end of the balance plate, the top center of the balance plate is propped against the top of a positioning cone arranged on a splash tray, but the control assembly with the structure can only form the triangular support balance body after being assembled on a spray head body, and can not form a stable assembly state before being assembled, and has the defect of difficult assembly.
In order to overcome the defects, the fire sprinkler (patent number 2019211610216) is developed by the company, the stable pre-assembly of the temperature sensing device is realized, a joint matched structural mode is adopted, the reliable stable limit is realized after the assembly and during fire-fighting duty, and the temperature sensing device breaks down and rotates to reliably start the sprinkler after the temperature sensing glass ball is subjected to temperature sensing burst.
Disclosure of Invention
The invention aims to provide a temperature sensing mechanism of a large-caliber spray head and the large-caliber spray head, which have the advantages of simple and compact structure, easiness in processing parts, high production efficiency and stable performance, and solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a large caliber spray head temperature sensing mechanism, comprising a temperature sensing trigger device 4, wherein the temperature sensing trigger device 4 comprises:
the support frame 401, one end is arranged in a triangle, and is provided with a first supporting leg 4011, a second supporting leg 4013 and a third supporting leg 4014, the other end is provided with a supporting edge 4017, a first accommodating cavity 4012 is arranged on the first supporting leg 4011, the front end surfaces of the first supporting leg 4011, the second supporting leg 4013 and the third supporting leg 4014 are all provided with protruding positioning steps 4015, and two ends of the supporting edge 4017 are symmetrically provided with stabilizing tongues 4016 which are bent towards the first supporting leg 4011;
a pressing block 402, one end of which is provided with a guide groove 4021 matched with the supporting edge 4017, the other end of which is provided with a threaded hole 4023, and the middle part of which is provided with a shoulder 4022 matched with the stabilizing tongue 4016; the guide groove 4021 is clamped on the supporting edge 4017, and the shoulder 4022 is abutted against the stabilizing tongue 4016;
a glass ball screw 403 screwed in the threaded hole 4023, and a second accommodating cavity 4031 is arranged on the glass ball screw 403;
the glass ball 404 is used for sensing temperature, one end of the glass ball is arranged in the first accommodating cavity 4012, and the other end of the glass ball is arranged in the second accommodating cavity 4031.
The utility model provides a heavy-calibre shower nozzle, includes shower nozzle body 2, end cap 6, awl screw 9, be provided with water outlet channel 3 and shower nozzle frame 1 on the shower nozzle body 2, end cap 6 sets up water outlet end face of water outlet channel 3, awl screw 9 closes soon on the shower nozzle frame 1 and with end cap 6 is coaxial, still includes heavy-calibre shower nozzle temperature sensing mechanism.
Further: a sealing gasket 5 is arranged between the plug 6 and the end face of the water outlet channel 3, and the plug 6 is elastically connected with the support 401 through a belleville spring 7.
Further: the front end surfaces of the first support leg 4011, the second support leg 4013 and the third support leg 4014 are abutted to one end of the belleville spring 7, the positioning step 4015 stretches into an inner hole of the belleville spring 7, and the conical end of the conical screw 9 is abutted to the upper end surface of the pressing block 402.
Further: an ejecting spring 8 is arranged on the nozzle frame 1 near the water outlet end of the water outlet channel 3, the middle part of the ejecting spring 8 is contacted with the inner sides of the second supporting leg 4013 and the third supporting leg 4014, and two ends of the ejecting spring 8 are clamped on the nozzle frame 1.
An assembly process of a large-caliber spray head comprises the following steps:
A. assembling a large-caliber nozzle temperature sensing mechanism;
B. the sealing gasket 5 is arranged on the water outlet end face of the water outlet channel 3 of the spray head body 2, and the plug 6 is arranged on the sealing gasket 5;
C. the large end of the belleville spring 7 is put into the outer end of the plug 6;
E. the ejection spring 8 is clamped on the nozzle frame 1;
F. the front end surfaces of a first supporting leg 4011, a second supporting leg 4013 and a third supporting leg 4014 of the large-caliber spray head temperature sensing mechanism are abutted against the small end of the belleville spring 7, a positioning step 4015 stretches into an inner hole of the belleville spring 7, and the middle part of an ejecting spring 8 is contacted with the inner sides of the second supporting leg 4013 and the third supporting leg 4014;
G. and screwing the conical screw 9 on the spray head frame 1, enabling the conical end of the conical screw 9 to be abutted against the upper end face of the pressing block 402, and continuously screwing the conical screw 9 to the torque required by the process, so that the whole assembly is completed.
The large-caliber nozzle temperature sensing mechanism assembly in the step A comprises the following steps:
a. placing the ball end of the glass ball 404 into the first receiving cavity (4012) of the support frame 401 with the tip of the glass ball 404 facing the support edge 4017;
b. the guide groove 4021 of the pressing block 402 is clamped into the supporting edge 4017, the shoulder 4022 is abutted with the stabilizing tongue 4016, and the tip of the glass ball 404 is sleeved into the threaded hole 4023;
c. screwing the glass ball screw 403 into the threaded hole 4023 to enable the tip of the glass ball 404 to enter the second accommodating cavity 4031, wherein the outer circular surface of the tip of the glass ball 404 is in contact fit with the second accommodating cavity 4031 at the moment, and screwing the glass ball screw 403 to a torque force specified by a process; and (5) assembling the temperature sensing mechanism of the large-caliber spray head. At this time, the glass ball screw 403 presses the glass ball 404 between the first accommodation chamber (4012) and the second accommodation chamber 4031, and its reaction force causes the pressing block 402 to have a tendency to turn out and disengage around the support edge 4017, and accordingly causes the shoulder 4022 to approach the stabilizing tongue 4016 and contact to generate a turn-over abutting the restriction pressing block 402, thereby forming a stable structure.
The invention has the beneficial effects that: according to the large-caliber spray nozzle temperature sensing mechanism, when the large-caliber spray nozzle temperature sensing mechanism is assembled, one end of the glass ball is arranged in the first accommodating cavity, the other end of the glass ball is arranged in the second accommodating cavity, and the assembly of the temperature sensing mechanism can be completed by screwing the glass ball screw, so that the operation is simple and quick, and the production efficiency is high; on one hand, the triangular stable supporting leg structure formed by the first supporting leg, the second supporting leg and the third supporting leg is formed by the assembled finished product, the temperature sensing mechanism can be freely placed and cannot be overturned, the temperature sensing mechanism is convenient to place and transport the finished product, and after the glass ball is locked by the glass ball screw, the temperature sensing mechanism forms a reliable stable structure through the cooperation of the stable tongue and the shoulder of the pressing block, so that the stability and the reliability are good; on the other hand, when the environmental temperature exceeds the response temperature of the glass ball in the case of fire, the glass ball bursts, the stability of the temperature sensing mechanism is immediately collapsed, the contact between the pressing block and the conical screw is released, the pressure of fire fighting liquid enables the plug to leave the end face of the water outlet channel, meanwhile, the supporting frame and the plug are ejected out of the nozzle body by ejecting the spring, and the fire fighting liquid is ejected out of the water outlet channel, so that the response speed is high and the reliability is good; the plate for the support frame is processed by adopting stamping forming, so that the production efficiency is high, the precision consistency is good, and the mass production quality stability is good; when the first supporting leg, the second supporting leg and the third supporting leg press the disc spring towards the plug, on one hand, the plug keeps stable pressure on the sealing gasket through the action of the disc spring, which is favorable for keeping the sealing performance of the spray head, on the other hand, the contact uniformity of the tripod structure and the disc spring is good and stable, and the pressure generated on the end face of the plug is uniform, so that the pressure of the plug when the sealing gasket is pressed tightly is uniform, and the sealing performance of the spray head is further improved.
Drawings
Fig. 1 is a perspective view of a large caliber spray head according to the present invention.
Fig. 2 is a cross-sectional view of the large caliber spray head of the present invention.
Fig. 3 is a perspective view of a support frame of the large caliber spray head of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, a temperature sensing mechanism of a large caliber spray nozzle includes a temperature sensing trigger device 4, the temperature sensing trigger device 4 includes:
the support frame 401, one end of which is arranged in a triangle shape and is provided with a first supporting leg 4011, a second supporting leg 4013 and a third supporting leg 4014, the other end of which is provided with a supporting edge 4017, a first accommodating cavity 4012 is arranged on the first supporting leg 4011, the front end surfaces of the first supporting leg 4011, the second supporting leg 4013 and the third supporting leg 4014 are all provided with convex positioning steps 4015, and two ends of the supporting edge 4017 are symmetrically provided with stabilizing tongues 4016 which are bent towards the first supporting leg 4011;
a pressing block 402, one end of which is provided with a guide groove 4021 matched with the supporting edge 4017, the other end of which is provided with a threaded hole 4023, and the middle part of which is provided with a shoulder 4022 matched with the stabilizing tongue 4016; the guide groove 4021 is clamped on the supporting edge 4017, and the shoulder 4022 is abutted against the stabilizing tongue 4016;
a glass ball screw 403 screwed in the threaded hole 4023, and a second accommodating cavity 4031 is arranged on the glass ball screw 403;
the glass ball 404 is used for sensing temperature, one end of the glass ball is arranged in the first accommodating cavity 4012, and the other end of the glass ball is arranged in the second accommodating cavity 4031.
As an embodiment, a heavy-calibre shower nozzle includes shower nozzle body 2, end cap 6, awl screw 9, is provided with water outlet channel 3 and shower nozzle frame 1 on the shower nozzle body 2, and end cap 6 sets up the delivery port terminal surface at water outlet channel 3, and awl screw 9 closes on shower nozzle frame 1 and coaxial with end cap 6 soon, still includes heavy-calibre shower nozzle temperature sensing mechanism.
Preferably: a sealing gasket 5 is arranged between the plug 6 and the water outlet end face of the water outlet channel 3, and the plug 6 is elastically connected with the support 401 through a belleville spring 7.
Specific: the front end surfaces of the first support leg 4011, the second support leg 4013 and the third support leg 4014 are abutted against one end of the belleville spring 7, the positioning step 4015 stretches into an inner hole of the belleville spring 7, and the conical end of the conical screw 9 is abutted against the upper end surface of the pressing block 402.
Preferably: an ejecting spring 8 is arranged on the nozzle frame 1 near the water outlet end of the water outlet channel 3, the middle part of the ejecting spring 8 is contacted with the inner sides of the second supporting leg 4013 and the third supporting leg 4014, and two ends of the ejecting spring 8 are clamped on the nozzle frame 1.
As an embodiment, an assembly process of a large caliber spray head includes the following steps:
A. assembling a large-caliber nozzle temperature sensing mechanism;
B. the sealing gasket 5 is arranged on the water outlet end face of the water outlet channel 3 of the spray head body 2, and the plug 6 is arranged on the sealing gasket 5;
C. the large end of the belleville spring 7 is put into the outer end of the plug 6;
E. the ejection spring 8 is clamped on the nozzle frame 1;
F. the front end surfaces of a first supporting leg 4011, a second supporting leg 4013 and a third supporting leg 4014 of the large-caliber spray head temperature sensing mechanism are abutted against the small end of the belleville spring 7, a positioning step 4015 stretches into an inner hole of the belleville spring 7, and the middle part of an ejecting spring 8 is contacted with the inner sides of the second supporting leg 4013 and the third supporting leg 4014;
G. and screwing the conical screw 9 on the spray head frame 1, enabling the conical end of the conical screw 9 to be abutted against the upper end face of the pressing block 402, and continuously screwing the conical screw 9 to the torque required by the process, so that the whole assembly is completed.
Specifically, the assembly of the large-caliber nozzle temperature sensing mechanism in the step A comprises the following steps:
a. placing the ball end of the glass ball 404 into the first receiving cavity (4012) of the support frame 401 with the tip of the glass ball 404 facing the support edge 4017;
b. the guide groove 4021 of the pressing block 402 is clamped into the supporting edge 4017, the shoulder 4022 is abutted with the stabilizing tongue 4016, and the tip of the glass ball 404 is sleeved into the threaded hole 4023;
c. screwing the glass ball screw 403 into the threaded hole 4023 to enable the tip of the glass ball 404 to enter the second accommodating cavity 4031, wherein the outer circular surface of the tip of the glass ball 404 is in contact fit with the second accommodating cavity 4031 at the moment, and screwing the glass ball screw 403 to a torque force specified by a process; and (5) assembling the temperature sensing mechanism of the large-caliber spray head. At this time, the glass ball screw 403 presses the glass ball 404 between the first accommodation chamber (4012) and the second accommodation chamber 4031, and its reaction force causes the pressing block 402 to have a tendency to turn out and disengage around the support edge 4017, and accordingly causes the shoulder 4022 to approach the stabilizing tongue 4016 and contact to generate a turn-over abutting the restriction pressing block 402, thereby forming a stable structure.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The assembly method of the large-caliber spray head is characterized in that the large-caliber spray head comprises a spray head body (2), a plug (6), a conical screw (9) and a large-caliber spray head temperature sensing mechanism, wherein a water outlet channel (3) and a spray head frame (1) are arranged on the spray head body (2), the plug (6) is arranged on the water outlet end face of the water outlet channel (3), and the conical screw (9) is screwed on the spray head frame (1) and is coaxial with the plug (6);
the large-caliber spray nozzle temperature sensing mechanism comprises a temperature sensing trigger device (4), and the temperature sensing trigger device (4) comprises:
support frame (401), one end is triangle-shaped and arranges and is equipped with first supporting legs (4011), second supporting legs (4013) and third supporting legs (4014), and the other end is provided with supporting legs (4017), be equipped with first chamber (4012) that holds on first supporting legs (4011), first supporting legs (4011) second supporting legs (4013) with the preceding terminal surface of third supporting legs (4014) all is provided with convex location step (4015), supporting legs (4017) both ends symmetry are provided with towards stabilizing tongue (4016) that first supporting legs (4011) buckle;
the pressing block (402) is provided with a guide groove (4021) matched with the supporting edge (4017) at one end, a threaded hole (4023) at the other end, and a shoulder (4022) matched with the stabilizing tongue (4016) at the middle part; the guide groove (4021) is clamped on the supporting edge (4017) and the shoulder (4022) is abutted with the stabilizing tongue (4016);
a glass ball screw (403) screwed in the threaded hole (4023), wherein a second accommodating cavity (4031) is arranged on the glass ball screw (403);
a glass ball (404) for sensing temperature, one end of which is arranged in the first accommodating cavity (4012) and the other end of which is arranged in the second accommodating cavity (4031);
a sealing gasket (5) is arranged between the plug (6) and the end face of the water outlet channel (3), and the plug (6) is elastically connected with the support frame (401) through a belleville spring (7);
the front end surfaces of the first supporting leg (4011), the second supporting leg (4013) and the third supporting leg (4014) are abutted against one end of the belleville spring (7), the positioning step (4015) stretches into an inner hole of the belleville spring (7), and the conical end of the conical screw (9) is abutted against the upper end surface of the pressing block (402);
an ejecting spring (8) is arranged on the nozzle frame (1) near the water outlet end of the water outlet channel (3), the middle part of the ejecting spring (8) is contacted with the inner sides of the second supporting leg (4013) and the third supporting leg (4014), and two ends of the ejecting spring (8) are clamped on the nozzle frame (1);
the assembly method of the large-caliber spray head comprises the following steps of:
A. assembling a large-caliber nozzle temperature sensing mechanism;
B. the sealing gasket (5) is arranged on the water outlet end face of the water outlet channel (3) of the spray head body (2), and the plug (6) is arranged on the sealing gasket (5);
C. placing the large end of the belleville spring (7) into the outer end of the plug (6);
E. the ejection spring (8) is clamped on the nozzle frame (1);
F. the front end surfaces of a first supporting leg (4011), a second supporting leg (4013) and a third supporting leg (4014) of the large-caliber spray head temperature sensing mechanism are abutted against the small end of the belleville spring (7), a positioning step (4015) stretches into an inner hole of the belleville spring (7), and the middle part of an ejecting spring (8) is contacted with the inner sides of the second supporting leg (4013) and the third supporting leg (4014);
G. and screwing the conical screw (9) on the spray head frame (1), enabling the conical end of the conical screw (9) to be abutted against the upper end face of the pressing block (402), and continuously screwing the conical screw (9) to the torque force required by the process, so that the whole assembly is completed.
2. The method for assembling a large caliber spray head according to claim 1, wherein: the step A comprises the following steps:
a. placing the ball end of the glass ball (404) into the first accommodation cavity (4012) of the support frame (401) with the tip of the glass ball (404) facing the support edge (4017);
b. the guide groove (4021) of the pressing block (402) is clamped into the supporting edge (4017), the shoulder (4022) is abutted with the stabilizing tongue (4016), and the tip of the glass ball (404) is sleeved into the threaded hole (4023);
c. screwing the glass ball screw (403) into the threaded hole (4023) to enable the tip of the glass ball (404) to enter the second accommodating cavity (4031), wherein the outer circular surface of the tip of the glass ball (404) is in contact fit with the second accommodating cavity (4031), and screwing the glass ball screw (403) to a torsion specified by a process; and (5) assembling the temperature sensing mechanism of the large-caliber spray head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010247667.7A CN111167059B (en) | 2020-04-01 | 2020-04-01 | Large-caliber spray nozzle temperature sensing mechanism and large-caliber spray nozzle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010247667.7A CN111167059B (en) | 2020-04-01 | 2020-04-01 | Large-caliber spray nozzle temperature sensing mechanism and large-caliber spray nozzle |
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| CN111167059A CN111167059A (en) | 2020-05-19 |
| CN111167059B true CN111167059B (en) | 2024-03-01 |
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| CN111603714B (en) * | 2020-06-03 | 2021-08-31 | 蒋海平 | Glass ball support and heavy-calibre fire control shower nozzle of heavy-calibre fire control shower nozzle |
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| CN204034108U (en) * | 2014-06-11 | 2014-12-24 | 浙江恒安消防安全设备有限公司 | A kind of erect type shower nozzle |
| CN205549312U (en) * | 2016-04-21 | 2016-09-07 | 福建省南安市广威消防器材有限公司 | Novel fire control watering shower nozzle of sprinkling evenly |
| CN110251873A (en) * | 2019-07-23 | 2019-09-20 | 上海瑞泰消防设备制造有限公司 | A kind of fire water spray nozzle |
| CN211798488U (en) * | 2020-04-01 | 2020-10-30 | 上海瑞泰消防设备制造有限公司 | Large-diameter nozzle temperature sensing mechanism and large-diameter nozzle |
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