CN107050723B - Thermal induction type fire-fighting sprinkler head - Google Patents
Thermal induction type fire-fighting sprinkler head Download PDFInfo
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- CN107050723B CN107050723B CN201710148485.2A CN201710148485A CN107050723B CN 107050723 B CN107050723 B CN 107050723B CN 201710148485 A CN201710148485 A CN 201710148485A CN 107050723 B CN107050723 B CN 107050723B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
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- 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
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Abstract
The invention provides a thermal induction type fire-fighting sprinkler head, and belongs to the field of fire-fighting equipment. It has solved the unable problem that realizes the self-plugging of current shower nozzle. The thermal induction type fire-fighting sprinkler head comprises a cylindrical water inlet joint and a bottom plate arranged below the water inlet joint, wherein an outer sleeve is arranged between the bottom plate and the water inlet joint, a glass container used for supporting the outer sleeve is arranged on the bottom plate, an inner hole of the water inlet joint comprises an upper hole and a lower hole, an annular sealing part is arranged on the outer wall of the outer sleeve, and the upper hole and the lower hole are separated by the sealing part; a sealing column is arranged in the outer sleeve, a threaded hole and a locking hole penetrate through the side wall of the outer sleeve, the threaded hole and the locking hole are positioned on the same side, the locking hole is positioned above the threaded hole, an insertion hole is formed in the side wall of the sealing column along the horizontal direction, a bolt is screwed in the threaded hole, and the rod part of the bolt is inserted into the insertion hole; the outer sleeve is also internally provided with a sealing column which can be driven to move upwards after the bolt is screwed out so as to align the jack and the lock hole and ensure that the upper end of the sealing column extends into the upper hole and blocks the upper hole. The invention has the advantage of self-plugging.
Description
Technical Field
The invention belongs to the field of fire fighting equipment, and relates to a fire fighting sprinkler head, in particular to a thermal induction type fire fighting sprinkler head.
Background
The fire-fighting nozzle is a nozzle which is started automatically according to a preset temperature range under the action of heat or is started by control equipment according to a fire signal and sprinkles water according to a designed sprinkling shape and flow to extinguish fire. The glass ball sprinkler head is a common fire-fighting sprinkler head, a heat sensitive element of the sprinkler head is a glass ball, and when the sprinkler head is heated, a ball body is burst and opened due to the action of heat conduction oil in the glass ball.
The existing glass ball sprinkler head is a thermal induction fire-fighting sprinkler head (application number: 201620928969.X ], including frame, seal seat, splash dish and glass ball, characterized in that: the water splashing device is characterized by further comprising a support piece and at least two connecting rods, a water inlet and a water outlet are formed in the frame, the water outlet is blocked by the sealing seat, a top column is arranged at the bottom of the sealing seat, the upper end of each connecting rod is connected with the frame, the lower end of each connecting rod is detachably connected with the support piece, the water splashing disc is arranged on the connecting rods and is located between the frame and the support piece, a guide hole with the diameter larger than that of the top column is formed in the center of the water splashing disc, the top column penetrates through the guide hole, and the glass ball is clamped between the top column and the support piece.
The above-described head has a problem: the glass ball receives the unexpected back that breaks of external force, because general user can not dispose unnecessary glass ball and replace, can only prevent that the frame from going out water this moment through closing total inlet valve, nevertheless closes total inlet valve and can influence other local water, seriously influences user experience.
Disclosure of Invention
The invention aims to solve the problems in the prior art, provides a thermal induction type fire-fighting sprinkler head, and solves the technical problem of how to seal a water inlet joint through a self structure.
The purpose of the invention can be realized by the following technical scheme: the thermal induction type fire-fighting sprinkler comprises a cylindrical water inlet joint and a bottom plate, wherein the cylindrical water inlet joint is vertically arranged, the bottom plate is arranged below the water inlet joint, and the bottom plate is connected with the water inlet joint through a support; the inner hole of the water inlet joint is in a straight hole shape and comprises an upper hole and a lower hole, the aperture of the upper hole is smaller than that of the lower hole, the outer wall of the outer sleeve is provided with an annular sealing part, and the sealing part is positioned in the lower hole and separates the upper hole from the lower hole; a sealing column is vertically arranged in the outer sleeve, the side wall of the sealing column is matched with the inner wall of the outer sleeve and is attached to the inner wall of the outer sleeve, a threaded hole and a locking hole penetrate through the side wall of the outer sleeve along the horizontal direction, the threaded hole and the locking hole are positioned on the same side, the locking hole is positioned above the threaded hole, an insertion hole is formed in the side wall of the sealing column along the horizontal direction, a bolt is screwed in the threaded hole, and the rod part of the bolt is inserted into the insertion hole; the outer sleeve is internally provided with a first spring, two ends of the first spring respectively abut against the lower end surface of the sealing column and the inner wall of the outer sleeve, and after the bolt is screwed out, the sealing column can move upwards under the action of the first spring to align the jack and the lock hole and enable the upper end of the sealing column to extend into the upper hole and seal the upper hole; and a positioning column and a second spring which enables one end of the positioning column to have a trend of moving towards the direction of the sealing column are arranged in the locking hole, and the positioning column is made of a magnetic material.
When in normal use, the sealing part is positioned in the lower hole and separates the upper hole from the lower hole, thereby preventing the water inlet joint from discharging water; the sealing column is positioned in the outer sleeve under the action of the bolt, and at the moment, the first spring is in a compressed state; the end part of the positioning column is propped against the side wall of the sealing column under the action of the second spring.
When a fire disaster happens, the heat conducting oil is heated to enable the glass container to be rapidly broken, the outer sleeve moves downwards without being supported to open the water inlet joint, and at the moment, the lower end of the outer sleeve abuts against the bottom plate; the water flowing out of the water inlet joint impacts the splash pan and is diffused to the periphery so as to extinguish the fire.
When the glass container is accidentally broken under the action of external force, the bolt is screwed out to enable the rod part to be separated from the jack, the sealing column moves upwards and is inserted into the upper hole under the action of the elastic force of the first spring to plug the sealing column, so that the water inlet connector is plugged, at the moment, the jack is aligned with the lock hole, and the positioning column in the lock hole is inserted into the jack under the action of the second spring to limit the axial movement of the sealing column, so that the stability of plugging the water inlet connector is improved; when the glass container is replaced, the main water inlet valve is turned off, the positioning column retracts into the lock hole by overcoming the elastic force of the second spring through the magnetic key, then the sealing column is reset by force, the outer sleeve is lifted by the reset bolt, and the glass container is installed again.
In foretell thermoinduction formula fire control watering shower nozzle, the lateral wall of overcoat on run through and seted up the spout, the spout is the axial extension of strip and its length along the overcoat, the both ends of spout are all sealed, the spout in be equipped with rather than the slider that matches, the slider is fixed with the sealed post, and the slider both ends can offset with the both ends face of spout respectively.
When the upper end of the sliding block is abutted against the upper end face of the sliding groove, the lock hole is aligned with the jack;
under the cooperation of spout and slider, play direction and spacing effect to the slip of sealed post, not only guarantee like this that sealed post keeps along the ascending translation in vertical direction, shorten the time in sealed post shutoff upper bore, improve the efficiency with the water supply connector shutoff, improved the job stabilization nature of this shower nozzle again simultaneously.
In the thermal induction type fire-fighting sprinkler head, the sealing column comprises a cylindrical column body, an annular sealing groove is formed in the side wall of the column body, a 0-shaped ring is arranged in the sealing groove, and the peripheral surface of the 0-shaped ring is abutted against the inner side wall of the outer sleeve; when the sealing column extends into the upper hole, the peripheral surface of the 0-shaped ring is abutted against the wall of the upper hole.
The sealing column seals the upper hole in a way that the 0-shaped ring on the sealing column is abutted against the wall of the upper hole; the diameter of the column body is smaller than the aperture of the upper hole, so that the column body can smoothly extend into the upper hole, and the working stability of the spray head is improved.
In the thermal induction type fire-fighting sprinkler head, a plug for plugging a port of the lock hole is fixed in one end of the lock hole, which is far away from the sealing column, and the plug is made of a non-magnetic material; one end of the plug extends out of the lock hole and is positioned outside the outer sleeve, the plug is provided with a slot, and a magnetic block which enables the positioning column to have a tendency of overcoming the elasticity of the second spring to retract into the lock hole is inserted into the slot.
When the magnetic block is normally used, the magnetic block is pulled out of the slot; only after the positioning column is inserted into the jack, the magnetic block is inserted again to enable the positioning column to retract into the lock hole to overcome the elastic force of the second spring so as to release the locking state of the outer sleeve and the sealing column.
In foretell thermal induction formula fire control watering shower nozzle, the lateral wall of cylinder on be equipped with and be annular and be used for storing the oil storage tank of lubricated grease, and the oil storage tank is located the seal groove below.
The contact part of the column body and the outer sleeve is lubricated by arranging the oil storage tank for storing lubricating grease, so that the smoothness of the sliding of the column body is improved, and the efficiency of sealing the water inlet joint is further improved; the oil storage tank is arranged below the sealing groove and plays a role in protecting lubricating grease, so that the lubricating time of the lubricating grease is delayed.
In the thermal induction type fire sprinkler head, the inner wall of the outer sleeve at the lower port is provided with the annular supporting part, the lower end of the second spring is abutted against the upper end face of the supporting part, the upper end face of the glass container is abutted against the lower end face of the supporting part, and the upper end face of the glass container is provided with the raised head which is inserted into the supporting part.
The supporting part has the function of positioning the second spring and the glass container at the same time, namely the supporting part has the function of dual purposes, thus not only simplifying the structure of the joint, but also facilitating the processing of the joint.
In foretell thermoinduction formula fire control watering shower nozzle, the sealing portion including be annular sealed the pad and locate the cyclic annular turn-ups on the overcoat outer wall, and the turn-ups offsets with the diapire in lower hole, be equipped with annular groove on the turn-ups's the up end, be equipped with sealed the pad in the annular groove, and sealed both ends face of filling up offsets with annular groove and the diapire in lower hole respectively.
Compared with the prior art, the thermal induction type fire-fighting sprinkler head has the following advantages:
1. under the effect of parts such as first spring, sealed post, bolt, the messenger makes behind the back of unscrewing the bolt, and the sealed post is just automatic with the water supply connector shutoff under the effect of first spring to realize realizing the purpose of shutoff water supply connector through the structure of shower nozzle self, just so need not through closing total inlet valve, thereby reduce the influence to ordinary user.
2. The positioning column is automatically inserted into the jack under the action of the second spring to limit the axial movement of the sealing column, so that the sealing column is supported well, and the reliability of plugging the water inlet joint is ensured.
3. Under the cooperation of spout and slider, play direction and spacing effect to the slip of sealed post, not only guarantee like this that sealed post keeps along the ascending translation in vertical direction, shorten the time in sealed post shutoff upper bore, improve the efficiency with the water supply connector shutoff, improved the job stabilization nature of this shower nozzle again simultaneously.
Drawings
FIG. 1 is a schematic structural view of the present heat-sensitive fire sprinkler head.
Fig. 2 is an enlarged schematic view of a structure at a in fig. 1.
FIG. 3 is a schematic view of the present heat-sensitive fire sprinkler head in a fire.
FIG. 4 is a schematic view of the heat-responsive fire sprinkler head after the bolt is unscrewed.
Fig. 5 is an enlarged schematic view of B in fig. 4.
FIG. 6 is a schematic diagram of the position of the magnetic pole after the magnetic block is inserted.
In the figure, 1, a water inlet joint; 1a, an upper hole; 1b, a lower hole; 2. a base plate; 3. a support; 4. a jacket; 4a, a support part; 4b, a sealing part; 4b1, annular flanging; 4b2, gasket; 4c, lock hole; 4d, a sliding chute; 5. a splash pan; 6. a glass container; 6a, a raised head; 7. a first spring; 8. a second spring; 9. sealing the column; 9a, 0-shaped ring; 9b, a column; 9b1, jack; 9b2, oil storage tank; 10. a bolt; 11. a slider; 12. a positioning column; 13. a plug; 14. a magnetic block.
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 figure 1, the heat induction type fire-fighting sprinkler head comprises a water inlet joint 1, a bottom plate 2, a bracket 3, an outer sleeve 4, a splash plate 5, a glass container 6, a sealing column 9, a first spring 7, a second spring 8 and the like.
Wherein, the water inlet joint 1 is in a cylindrical shape, and the inner hole of the water inlet joint 1 is in a straight hole shape. In actual use, the water inlet joint 1 is arranged along the vertical direction, and the water inlet joint 1 is provided with an external thread for connecting with a pipeline on the top of a house. The bottom plate 2 is flat and is arranged right below the water inlet connector 1. Bottom plate 2 and water supply connector 1 link to each other through support 3, and in this embodiment, support 3 includes two equal vertical connecting rods of locating between bottom plate 2 and the water supply connector 1, and the connecting rod has two and sets up side by side, and the both ends of connecting rod link to each other with bottom plate 2 and water supply connector 1 respectively.
As shown in fig. 1, the inner hole of the water inlet joint 1 includes an upper hole 1a and a lower hole 1b, the upper hole 1a and the lower hole 1b are distributed along the vertical direction, and the diameter of the upper hole 1a is smaller than that of the lower hole 1 b. The outer sleeve 4 is in a straight pipe shape, and the outer sleeve 4 is vertically arranged between the water inlet connector 1 and the bottom plate 2 and is positioned in the middle of an area formed by the water inlet connector 1 and the bottom plate 2. The outer cover 4 is externally sleeved with an annular splash pan 5, the splash pan 5 is provided with through holes for the connecting rods to pass through, and the through holes are two and are opposite to the two connecting rods one by one. In the present embodiment, the splash plate 5 is preferably fixed to the connecting rod by welding. The outer sleeve 4 can move horizontally in the vertical direction, a glass container 6 is arranged between the water splashing disc 5 and the bottom plate 2, the glass container 6 is provided with a closed inner cavity, and heat conducting oil is filled in the inner cavity. The glass container 6 is columnar, and two ends of the glass container are respectively propped against the bottom of the outer sleeve 4 and the bottom plate 2. Further, a raised head 6a is arranged in the middle of the upper end surface of the glass container 6, an annular supporting part 4a is arranged on the inner wall of the outer sleeve 4 at the lower port, and the raised head 6a is inserted into the supporting part 4a to better support the outer sleeve 4.
The outer wall of the outer sleeve 4 has a sealing portion 4b in the shape of a ring, the sealing portion 4b is located in the lower hole 1b, and at this time, the sealing portion 4b separates the upper hole 1a from the lower hole 1b to close the water inlet joint 1. Specifically, the seal portion 4b includes an annular gasket 4b2 and an annular flange 4b1 provided on the outer wall of the outer cover 4. Wherein, turn-ups and overcoat 4 formula structures as an organic whole, and turn-ups's up end offsets with the diapire of lower hole 1 b. An annular groove is formed in the upper end face of the flanging, a sealing gasket 4b2 is arranged in the annular groove, and two end faces of the sealing gasket 4b2 are respectively abutted against the annular groove and the bottom wall of the lower hole 1b so as to stably separate the upper hole 1a from the lower hole 1 b.
A sealing column 9 is vertically arranged in the outer sleeve 4, the outer wall of the sealing column 9 is matched with the inner wall of the outer sleeve 4, and the outer wall and the inner wall are attached together. Specifically, as shown in fig. 1, the outer jacket 4 has a circular tubular shape, and the seal post 9 includes a 0-shaped ring 9a and a cylindrical post 9 b. The side wall of the cylinder 9b is attached to the inner wall of the outer sleeve 4, an annular sealing groove is formed in the side wall of the cylinder 9b, the 0-shaped ring 9a is arranged in the sealing groove, and the peripheral surface of the 0-shaped ring 9a is abutted to the inner side wall of the outer sleeve 4. When the cylinder 9b extends into the upper hole 1a, the outer peripheral surface of the 0-shaped ring 9a abuts against the wall of the upper hole 1a to form a seal.
As shown in fig. 1, 2 and 5, a threaded hole and a locking hole 4c penetrate through the side wall of the outer sleeve 4 along the horizontal direction, the threaded hole and the locking hole 4c are located on the same side, and the locking hole 4c is located above the threaded hole. The side wall of the cylinder 9b is provided with a socket 9b1 along the horizontal direction, a bolt 10 is screwed in the threaded hole, and the rod part of the bolt 10 is inserted into the socket 9b1 to limit the axial movement of the sealing column 9. The outer sleeve 4 is also internally provided with a first spring 7, two ends of the first spring 7 respectively abut against the lower end surface of the sealing column 9 and the supporting part 4a, and after the bolt 10 is screwed out, the sealing column 9 can move upwards under the action of the first spring 7 to align the insertion hole 9b1 with the locking hole 4c and enable the upper end of the sealing column 9 to extend into the upper hole 1a and block the upper hole.
Further, the insertion hole 9b1 is located below the sealing groove; an oil storage groove 9b2 which is annular and used for storing lubricating grease is arranged on the side wall of the column body 9b, and the oil storage groove 9b2 is also positioned below the sealing groove. The positions of the oil reservoir 9b2 and the insertion hole 9b1 are not absolutely necessary, and the oil reservoir 9b2 may be provided above the insertion hole 9b1 or below the insertion hole 9b 1. The side wall of the outer sleeve 4 is provided with a sliding groove 4d in a penetrating mode, and the sliding groove 4d is strip-shaped and the length of the sliding groove extends along the axial direction of the outer sleeve 4. Both ends of the sliding groove 4d are sealed, a sliding block 11 matched with the sliding groove 4d is arranged in the sliding groove 4d, and the sliding block 11 can extend along the length direction of the sliding groove 4 d. The sliding block 11 is fixed with the sealing column 9, and two ends of the sliding block 11 can respectively abut against two end surfaces of the sliding groove 4 d. In the present embodiment, the slider 11 is fixed to the sealing post 9 by welding. Under the cooperation of spout 4d and slider 11, play direction and spacing effect to the slip of sealed post 9, not only guarantee like this that sealed post 9 keeps along the ascending translation of vertical side, shorten the time of sealed post 9 shutoff upper bore 1a, improve the efficiency with the shutoff of water supply connector 1, improved the job stabilization nature of this shower nozzle again simultaneously.
As shown in fig. 2, a positioning post 12 and a second spring 8 for making one end of the positioning post 12 move toward the sealing post 9 are disposed in the locking hole 4 c. Specifically, the positioning post 12 is made of a magnetic material, which may be iron, stainless steel, or the like. A plug 13 for plugging the port of the locking hole 4c is fixed in one end of the locking hole 4c away from the sealing column 9, and the plug 13 is made of a non-magnetic material. The non-magnetic material may be engineering plastic, brass, etc., and preferably the plug 13 is fixed in the lock hole 4c by interference fit. Two ends of the second spring 8 are respectively abutted against the plug 13 and the positioning column 12. One end of the plug 13 extends out of the lock hole 4c and is positioned outside the outer sleeve 4, a slot is arranged on the plug 13, and a magnetic block 14 which enables the positioning column 12 to have a tendency of retracting into the lock hole 4c by overcoming the elastic force of the second spring 8 is inserted into the slot.
As shown in fig. 1 and 2, in normal use, the sealing part 4b is positioned in the lower hole 1b and separates the upper hole 1a from the lower hole 1b, so as to prevent the water from flowing out of the water inlet joint 1; the sealing post 9 is positioned in the outer sleeve 4 under the action of the bolt 10, and at the moment, the first spring 7 is in a compressed state; the end part of the positioning column 12 is propped against the side wall of the sealing column 9 under the action of the second spring 8; the magnetic block 14 is pulled out of the socket.
As shown in fig. 3, in case of fire, the heat conducting oil is heated to rapidly break the glass container 6, the outer sleeve 4 moves downwards without being supported to open the water inlet connector 1, and at the moment, the lower end of the outer sleeve 4 abuts against the bottom plate 2; the water flowing out of the water inlet joint 1 impacts the splash plate 5 and is diffused to the periphery so as to extinguish the fire.
As shown in fig. 4 and 5, when the glass container 6 is accidentally broken by external force, the bolt 10 is unscrewed to separate the rod part from the insertion hole 9b1, the sealing post 9 is inserted into the upper hole 1a upwards under the action of the elastic force of the first spring 7 to seal the upper hole, so that the water inlet connector 1 is sealed, and at this time, the insertion hole 9b1 is aligned with the locking hole 4c, and the positioning post 12 in the locking hole 4c is inserted into the insertion hole 9b1 under the action of the second spring 8 to limit the axial movement of the sealing post 9, so as to improve the stability of sealing the water inlet connector 1; as shown in fig. 6, when replacing the glass container 6, the main water inlet valve is turned off, the magnetic block 14 is inserted into the slot to retract the positioning post 12 into the locking hole 4c against the elastic force of the second spring 8, the sealing post 9 is reset by force, the bolt 10 is reset, the outer sleeve 4 is lifted up, and the glass container 6 is installed again.
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 (7)
1. The thermal induction type fire-fighting sprinkler comprises a cylindrical water inlet joint and a bottom plate, wherein the cylindrical water inlet joint is vertically arranged, the bottom plate is arranged below the water inlet joint, and the bottom plate is connected with the water inlet joint through a support; the inner hole of the water inlet joint is in a straight hole shape and comprises an upper hole and a lower hole, the aperture of the upper hole is smaller than that of the lower hole, the outer wall of the outer sleeve is provided with an annular sealing part, and the sealing part is positioned in the lower hole and separates the upper hole from the lower hole; a sealing column is vertically arranged in the outer sleeve, the side wall of the sealing column is matched with the inner wall of the outer sleeve and is attached to the inner wall of the outer sleeve, a threaded hole and a locking hole penetrate through the side wall of the outer sleeve along the horizontal direction, the threaded hole and the locking hole are positioned on the same side, the locking hole is positioned above the threaded hole, an insertion hole is formed in the side wall of the sealing column along the horizontal direction, a bolt is screwed in the threaded hole, and the rod part of the bolt is inserted into the insertion hole; the outer sleeve is internally provided with a first spring, two ends of the first spring respectively abut against the lower end surface of the sealing column and the inner wall of the outer sleeve, and after the bolt is screwed out, the sealing column can move upwards under the action of the first spring to align the jack and the lock hole and enable the upper end of the sealing column to extend into the upper hole and seal the upper hole; a positioning column and a second spring which enables one end of the positioning column to have a trend of moving towards the direction of the sealing column are arranged in the locking hole, and the positioning column is made of a magnetic material; the jacket can translate in the vertical direction.
2. The thermal induction type fire sprinkler head according to claim 1, wherein a sliding groove is formed in a side wall of the outer sleeve in a penetrating manner, the sliding groove is strip-shaped, the length of the sliding groove extends in the axial direction of the outer sleeve, two ends of the sliding groove are sealed, a sliding block matched with the sliding groove is arranged in the sliding groove, the sliding block is fixed with the sealing column, and two ends of the sliding block can abut against two end faces of the sliding groove respectively.
3. The heat induction type fire sprinkler head according to claim 1 or 2, wherein the sealing post comprises a cylindrical post body, an annular sealing groove is formed in the side wall of the post body, a 0-shaped ring is arranged in the sealing groove, and the outer peripheral surface of the 0-shaped ring is abutted against the inner side wall of the outer sleeve; when the sealing column extends into the upper hole, the peripheral surface of the 0-shaped ring is abutted against the wall of the upper hole.
4. The thermal induction type fire-fighting sprinkler head as defined in claim 1, wherein a plug for plugging a port of the locking hole is fixed in one end of the locking hole away from the sealing post, and the plug is made of a non-magnetic material; one end of the plug extends out of the lock hole and is positioned outside the outer sleeve, the plug is provided with a slot, and a magnetic block which enables the positioning column to have a tendency of overcoming the elasticity of the second spring to retract into the lock hole is inserted into the slot.
5. The thermal induction type fire sprinkler head according to claim 3, wherein an oil storage groove which is annular and is used for storing lubricating grease is formed in a side wall of the cylinder, and the oil storage groove is located below the sealing groove.
6. The thermal induction type fire sprinkler head according to claim 5, wherein the outer sleeve has a support portion formed in a ring shape on an inner wall thereof at the lower port, and a lower end of the second spring abuts against an upper end surface of the support portion, and an upper end surface of the glass container abuts against a lower end surface of the support portion, and the upper end surface of the glass container has a projection inserted into the support portion.
7. The thermal induction type fire sprinkler head according to claim 1, wherein the sealing portion comprises an annular sealing gasket and an annular flange arranged on the outer wall of the outer sleeve, the flange abuts against the bottom wall of the lower hole, an annular groove is formed in the upper end surface of the flange, a sealing gasket is arranged in the annular groove, and two end surfaces of the sealing gasket abut against the annular groove and the bottom wall of the lower hole respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710148485.2A CN107050723B (en) | 2017-03-14 | 2017-03-14 | Thermal induction type fire-fighting sprinkler head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710148485.2A CN107050723B (en) | 2017-03-14 | 2017-03-14 | Thermal induction type fire-fighting sprinkler head |
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| Publication Number | Publication Date |
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| CN107050723A CN107050723A (en) | 2017-08-18 |
| CN107050723B true CN107050723B (en) | 2022-03-29 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108374939B (en) * | 2018-04-08 | 2023-08-18 | 双鹰（漳州）精密金属制品有限公司 | Quick detach formula is shower nozzle for fire control convenient to maintain removable alone |
| CN110215638B (en) * | 2019-06-13 | 2021-10-01 | 福建闽山消防有限公司 | Intelligent regulation's fire control is with watering shower nozzle |
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| GB200971A (en) * | 1922-05-15 | 1923-07-26 | Joseph Whelan | Improvements in or relating to sprinkler heads |
| CN2092023U (en) * | 1991-05-17 | 1992-01-01 | 沈阳市卫生洁具厂 | Safety fluviograph |
| CN2267060Y (en) * | 1996-05-03 | 1997-11-12 | 陶正钰 | Fire-froof valve |
| WO2003068322A1 (en) * | 2002-02-15 | 2003-08-21 | Domenico Piatti | A pug assembly for water sprinkler of a fire fighting installation |
| CN201394303Y (en) * | 2009-02-08 | 2010-02-03 | 黄幼华 | Duplex-type crystal-ball sprinkler head |
| CN102247675A (en) * | 2011-05-17 | 2011-11-23 | 上海国际机场股份有限公司消防急救保障部 | Fire-fighting spray header leaking stopper |
| CN205964783U (en) * | 2016-08-24 | 2017-02-22 | 南安市恒南消防器材有限公司 | Thermoinduction anti -spraying water shower nozzle that disappears |
| CN206577283U (en) * | 2017-03-14 | 2017-10-24 | 蒋沁攸 | Thermal-induction type fire water spray nozzle |
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| CN107050723A (en) | 2017-08-18 |
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