CN218652811U

CN218652811U - Dry-type sprinkler head for fire fighting of clean workshop

Info

Publication number: CN218652811U
Application number: CN202223243076.6U
Authority: CN
Inventors: 谭立国; 连杰; 黄再枫; 梁俊威; 杨彬; 孙玉超; 赵开文
Original assignee: Shanghai Reti Fire Fighting Equipment Co ltd; China Electronics System Engineering Fourth Construction Co ltd
Current assignee: Shanghai Reti Fire Fighting Equipment Co ltd; China Electronics System Engineering Fourth Construction Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-03-21
Anticipated expiration: 2032-12-02

Abstract

The utility model discloses a dry-type watering shower nozzle for clean factory building fire control, the female joint comprises an outer tube, a frame, the seal receptacle who fits the outer tube upper end soon, install in the outer tube and the seal assembly who connects in order, the tip cone, a supporting plate, the inner tube, the nozzle, the built-in glass ball that is equipped with of frame, glass ball upper end and ball seat butt, port edge butt under ball seat upper end and the nozzle, the seal receptacle is equipped with inhalant canal, seal assembly is used for shutoff inhalant canal, the splash box is installed to the frame lower extreme, glass ball lower extreme and the holding screw butt that fits the frame bottom soon, still include the lower clutch that fits the outer tube lower extreme soon, frame upper end and lower clutch threaded connection, be provided with the journal section on the outer disc of lower clutch, journal section root cover is equipped with the sealing washer, pass the through-hole on the cross-shaped joint of clean factory building furred ceiling skeleton in the journal section, the sealing washer is used for sealing up the through-hole.

Description

Dry-type sprinkler head for fire fighting of clean workshop

Technical Field

The utility model relates to a fire control watering shower nozzle technical field specifically is a dry-type watering shower nozzle for clean factory building fire control.

Background

The dry type spray head is a normally closed type spray head matched in a wet type, dry type or pre-action automatic water spraying fire extinguishing system; the pipe network of the wet automatic water spraying fire extinguishing system is filled with water with set pressure in an on-duty state, and a glass ball bursts to open a spray head to spray water for fire extinguishing when a fire disaster happens; when a fire breaks out in a protection area, a glass ball bursts to open a spray head, and the spray head exhausts air firstly when being opened and then sprays water to extinguish the fire; the pipe network of the pre-acting automatic water-spraying fire-extinguishing system is filled with pressure air or nitrogen in an on-duty state like a dry automatic water-spraying fire-extinguishing system, only in the initial stage of fire, a smoke sensor is adopted to pre-start the pipe network to exhaust and fill pressure water in the pipe network for fire-extinguishing preparation, and when the temperature of a protection area rises to the bursting temperature of a glass ball, the glass ball bursting spray head starts water-spraying fire-extinguishing, so that the structure has the advantages of good low-temperature adaptability of the dry system and good water leakage prevention effect, and also has the advantage of quick response of the wet system without exhaust and waiting for water spraying; but the dry type shower nozzle of current structure, because the reason of its structure, when being applied to clean factory building, the shower nozzle is unmatched with clean factory building's special FFU furred ceiling joint reservation hole, lead to unable ordinary drooping type sprinkler installation of dry-type, can adopt ordinary sprinkler head to replace usually, clearance between shower nozzle and the reservation hole leads to the clean district of the non-clean district of furred ceiling top and furred ceiling below to switch on and can bring the risk of polluting for clean factory building like this, often need adopt additional measure to carry out the shutoff, the construction volume is big, and is with high costs, it is necessary to carry out further improvement to the dry type shower nozzle of current structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dry-type watering shower nozzle for clean factory building fire control improves current dry-type shower nozzle, has solved the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dry-type watering shower nozzle for clean factory building fire control, includes outer tube 1, frame 4, the seal receptacle 2 who fits soon outer tube 1 upper end, install in outer tube 1 and the sealing component, apex cone 12, backup pad 11, inner tube 10, the nozzle 9 that connect in order, the built-in glass ball 7 that is equipped with of frame 4, glass ball 7 upper end and ball seat 8 butt, ball seat 8 upper end with the nozzle 9 lower port is along the butt, seal receptacle 2 is equipped with inhalant canal 201, sealing component is used for the shutoff inhalant canal 201, splash box 5 is installed to frame 4 lower extreme, glass ball 7 lower extreme and the tight set screw 6 butt of fit soon the frame 4 bottom still including the screwed in the lower clutch 3 of outer tube 1 lower extreme, frame 4 upper end with lower clutch 3 threaded connection, be provided with journal section 301 on the outer disc of lower clutch 3 lower extreme, journal section 301 root cover is equipped with sealing washer 16, works as journal section 301 passes through-hole 1701 on the cross-shaped joint 17 of clean furred ceiling skeleton, sealing washer 16 is used for right through-hole 1701 seals.

Further, seal assembly includes end cap 13, installs sealed bullet pad 14 on end cap 13 rivets in the piece 15 of getting power on end cap 13 top, sealed bullet pad 14 last mouthful along with the sealed butt of inhalant canal 201 export face, it is less than to get power 15 external diameter inhalant canal 201 and stretch into in the inhalant canal 201, the face of getting power piece 15 has at least one section hem 1501 of upwards bending the perk.

Further, the upper end of the top cone 12 is abutted to the lower end of the plug 13, a cross-shaped notch 1201 is formed in the lower end of the top cone 12, the support plate 11 comprises a support plate A1101 and a support plate B1102, and the support plate A1101 and the support plate B1102 are clamped into the cross-shaped notch 1201 after being integrally clamped through a straight groove 1103 formed in a matched mode; the lower extreme of backup pad A1101 and backup pad B1102 all is equipped with joint leg 1104, joint leg 1104 lower extreme all is equipped with the card hole 1001 block on the lateral wall of protruding knot 1105 and the inner tube 10 upper end, joint leg 1104 upper end all be equipped with butt face 1106 be used for with inner tube 10 upper end port butt.

Further, the upper end of the frame 4 is provided with a first hole section 401 and a second hole section 402 which are communicated with each other, the nozzle 9 comprises a first straight wall section 902, a conical wall section 903 and a second straight wall section 904 which are connected into a whole, a flange 901 is arranged on the upper portion of the first straight wall section 902, the lower end of the inner tube 10 is movably sleeved on the top of the first straight wall section 902 and is abutted to the upper end face of the flange 901, the outer circular face of the first straight wall section 902, which is located below the flange 901, is in sliding fit with the first hole section 401, the second straight wall section 904 is in sliding fit with the second hole section 402, and the lower port face of the second straight wall section 904 is abutted to the upper end face of the ball seat 8.

Furthermore, the upper end surface of the ball seat 8 is provided with an inclined plane boss 801, the upper end surface of the inclined plane boss 801 is obliquely arranged, and the inclined plane boss 801 is sleeved in the lower end of the nozzle 9.

The utility model has the advantages that: the utility model provides a dry-type watering shower nozzle for clean factory building fire control has set up the lower clutch between outer tube and frame, and be provided with the journal section on the outer disc of lower extreme of lower clutch, journal section root cover is equipped with the sealing washer, like this when the installation, when the journal section passes the through-hole on the cross joint of clean factory building furred ceiling skeleton, the sealing washer will seal the through-hole mouth face, and then the clean district below the clean district above the compartment furred ceiling and the clean district below the furred ceiling, be favorable to guaranteeing the cleanliness factor of clean district, make construction easy operation simultaneously, be favorable to improving the site operation speed, shorten the time limit for a project, reduce the construction cost; simultaneously, owing to set up the lower clutch, make the outer tube only play joint support and water-passing effect, inside inner tube also only plays the connection effect, consequently, when the water pipe of the fire control pipe network of different factory building designs is different with the furred ceiling distance, only need change the length and size of outer tube and inner tube can the adaptation, and other spare parts are all general, are favorable to the customization production, improve the suitability of product.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is an exploded view of the tip cone and the support plate of the present invention;

FIG. 4 is a perspective view of the ball seat of the present invention;

FIG. 5 is a partial perspective view of a cross-shaped joint for a ceiling of a clean room.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a dry sprinkler head for fire fighting of a clean factory building comprises an outer pipe 1, a frame 4, a sealing seat 2 screwed on the upper end of the outer pipe 1, a sealing assembly installed in the outer pipe 1 and connected in sequence, a tip cone 12, a supporting plate 11, an inner pipe 10 and a nozzle 9, wherein a glass ball 7 is installed in the frame 4, the upper end of the glass ball 7 is abutted against a ball seat 8, the upper end of the ball seat 8 is abutted against the lower end edge of the nozzle 9, the sealing seat 2 is provided with a water inlet channel 201, the sealing assembly is used for plugging the water inlet channel 201, the lower end of the frame 4 is provided with a splash plate 5, the lower end of the glass ball 7 is abutted against a set screw 6 screwed on the bottom of the frame 4, the dry sprinkler head further comprises a lower joint 3 screwed on the lower end of the outer pipe 1, the upper end of the frame 4 is connected with the lower joint 3 in a threaded manner, a journal section 301 is arranged on the outer circumferential surface of the lower end of the lower joint 3, a sealing ring 16 is arranged on the root of the journal section 301, and the journal section is used for sealing ring 1701 on a cross joint 17 of a ceiling framework of the clean factory building, and the sealing ring 16 is used for sealing the through hole 1701.

Through the arrangement, the lower joint 3 is arranged between the outer pipe 1 and the frame 4, the journal section 301 is arranged on the outer circular surface of the lower end of the lower joint 3, and the sealing ring 16 is sleeved at the root of the journal section 301, so that when the journal section 301 passes through the through hole 1701 in the cross joint 17 of the suspended ceiling framework of the clean factory building during installation, the sealing ring 16 can seal the opening surface of the through hole 1701, and further a non-clean area above a suspended ceiling and a clean area below the suspended ceiling are separated, so that the cleanliness of the clean area is ensured, meanwhile, the construction operation is simple, the field construction speed is improved, the construction period is shortened, and the construction cost is reduced; as shown in fig. 5, the cross-shaped joint 17 of some suspended ceiling frameworks is further provided with coaxial stepped holes 1702 at the end parts of the through holes 1701, so that the sealing rings 16 can be accommodated and matched in the stepped holes 1702, the sealing effect is further improved, and during installation, the axial pressure on the sealing rings 16 can be kept by adjusting the distance between the cross-shaped joint 17 of the suspended ceiling framework and the end surface of the root of the journal section 301, so as to ensure the sealing property; owing to set up lower clutch 3, make outer tube 1 only play joint support and water-passing effect, inside inner tube 10 also only plays the connection effect, consequently, when the water pipe of the fire control pipe network of different factory building designs is different with the furred ceiling distance, only need change the length and size of outer tube 1 and inner tube 10 can the adaptation, other spare parts are all general, are favorable to the customization production, improve the suitability of product, are favorable to improving the production efficiency when customizing production.

Further preferably, the sealing assembly comprises a plug 13, a sealing elastic pad 14 installed on the plug 13, and a force taking sheet 15 riveted to the top end of the plug 13, the upper edge of the sealing elastic pad 14 is in sealing butt joint with the surface of the outlet of the water inlet channel 201, the outer diameter of the force taking sheet 15 is smaller than that of the water inlet channel 201 and extends into the water inlet channel 201, the surface of the force taking sheet 15 is provided with at least one section of folded edge 1501 which is bent upwards and tilted upwards, and by arranging the folded edge 1501, when a fire disaster occurs and the sprayer is started, airflow or water flow impacts the folded edge 1501 to generate downward and horizontal component force, so that the sealing assembly is separated from the outlet of the water inlet channel 201 quickly, and the pipeline is ensured to be smooth.

Preferably, the upper end of the top cone 12 abuts against the lower end of the plug 13, the cross-shaped notch 1201 is formed in the lower end of the top cone 12, the support plate 11 comprises a support plate A1101 and a support plate B1102, and the support plate A1101 and the support plate B1102 are clamped into the cross-shaped notch 1201 after being integrally clamped through a straight groove 1103 formed in a matched mode; the lower extreme of backup pad A1101 and backup pad B1102 all is equipped with joint leg 1104, and joint leg 1104 lower extreme all is equipped with protruding knot 1105 and the card hole 1001 block on the lateral wall of inner tube 10 upper end, and joint leg 1104 upper end all is equipped with butt face 1106 and is used for with inner tube 10 upper end port butt, so, during the assembly tip cone 12, backup pad 11 and inner tube 10 can assemble and constitute a stable part, conveniently pack into in outer tube 1, convenient assembly improves production efficiency.

Further preferably, the upper end of the frame 4 is provided with a first hole section 401 and a second hole section 402 which are communicated with each other, the nozzle 9 comprises a first straight wall section 902, a conical wall section 903 and a second straight wall section 904 which are connected into a whole, a flange 901 is arranged on the upper portion of the first straight wall section 902, the lower end of the inner tube 10 is movably sleeved on the top of the first straight wall section 902 and is abutted to the upper end face of the flange 901, the outer circular face of the first straight wall section 902, which is positioned below the flange 901, is in sliding fit with the first hole section 401, the second straight wall section 904 is in sliding fit with the second hole section 402, and the lower port face of the second straight wall section 904 is abutted to the upper end face of the ball seat 8.

Further preferably, the upper end face of the ball seat 8 is provided with an inclined plane boss 801, the upper end face of the inclined plane boss 801 is obliquely arranged, and the inclined plane boss 801 is sleeved at the lower end of the nozzle 9 in an empty mode, so that when a fire disaster occurs, the glass ball 7 is burst under temperature sensing, and when the ball seat 8 is separated from the fire fighting pipe network under the pressure of air or water flow, the ball seat 8 is easily destabilized by the horizontal component force produced by the inclined plane, and then is separated from the frame 4 rapidly, normal water spraying is ensured, and the fire extinguishing effect is ensured.

As a preferred embodiment, the sealing seat 2 of the present technical solution may be configured to have an external thread structure for connecting with a pipeline of a fire fighting pipe network, or may be configured to have a flat head structure without an external thread, when the sealing seat 2 is the flat head structure without an external thread, the sealing seat 2 is screwed into the upper end of the outer pipe 1, and the outer end of the sealing seat is not higher than the upper port surface of the outer pipe 1, and when such a structure is adopted, the external thread connected with the pipeline of the fire fighting pipe network is disposed on the outer circular surface of the upper end of the outer pipe 1; referring with emphasis to fig. 1, the present embodiment is preferably a seal housing 2 with an externally threaded configuration.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular 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 appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dry-type watering shower nozzle for clean factory building fire control, includes outer tube (1), frame (4), fits soon seal receptacle (2) of outer tube (1) upper end, install in outer tube (1) and the seal assembly who connects in order, tip cone (12), backup pad (11), inner tube (10), nozzle (9), the built-in glass ball (7) that is equipped with in frame (4), glass ball (7) upper end and ball seat (8) butt, ball seat (8) upper end with nozzle (9) lower port is along the butt, seal receptacle (2) are equipped with inhalant canal (201), seal assembly is used for the shutoff inhalant canal (201), splash box (5) are installed to frame (4) lower extreme, glass ball (7) lower extreme and fit soon set screw (6) butt of frame (4) bottom, its characterized in that: still including closing in soon lower clutch (3) of outer tube (1) lower extreme, frame (4) upper end with lower clutch (3) threaded connection, be provided with journal section (301) on the outer disc of lower extreme of lower clutch (3), journal section (301) root cover is equipped with sealing washer (16), works as through-hole (1701) on the cross joint (17) of clean factory building furred ceiling skeleton are passed in journal section (301), sealing washer (16) are used for right through-hole (1701) seal.

2. The dry sprinkler head for fire fighting of clean factory buildings according to claim 1, characterized in that: sealing assembly includes end cap (13), installs sealed bullet pad (14) on end cap (13), rivet in power of getting piece (15) on end cap (13) top, sealed bullet pad (14) go up mouthful along with the sealed butt of inhalant canal (201) export mouth face, power of getting piece (15) external diameter is less than inhalant canal (201) just stretch into in inhalant canal (201), the face of power of getting piece (15) has at least one section hem (1501) of upwards bending the perk.

3. The dry sprinkler head for fire fighting of clean factory buildings according to claim 2, characterized in that: the upper end of the top cone (12) is abutted against the lower end of the plug (13), a cross-shaped notch (1201) is formed in the lower end of the top cone (12), the supporting plate (11) comprises a supporting plate A (1101) and a supporting plate B (1102), and the supporting plate A (1101) and the supporting plate B (1102) are clamped into the cross-shaped notch (1201) after being clamped into a whole through a straight groove (1103) formed in a matched mode; the utility model discloses a joint, including backup pad A (1101) and backup pad B (1102), joint leg (1104) lower extreme all is equipped with joint leg (1104), joint leg (1104) lower extreme all is equipped with protruding knot (1105) and the card hole (1001) block on the lateral wall of inner tube (10) upper end, joint leg (1104) upper end all is equipped with butt face (1106) be used for with inner tube (10) up end mouth butt.

4. The dry sprinkler head for fire fighting of clean factory buildings according to claim 1, characterized in that: the upper end of the frame (4) is provided with a first hole section (401) and a second hole section (402) which are communicated, the nozzle (9) comprises a first straight wall section (902), a conical wall section (903) and a second straight wall section (904) which are connected into a whole, a flange (901) is arranged on the upper portion of the first straight wall section (902), the lower end of the inner tube (10) is movably sleeved on the top of the first straight wall section (902) and abutted to the upper end face of the flange (901), the outer circular face of the first straight wall section (902) below the flange (901) is in sliding fit with the first hole section (401), the second straight wall section (904) is in sliding fit with the second hole section (402), and the lower port face of the second straight wall section (904) is abutted to the upper end face of the ball seat (8).

5. The dry sprinkler head for fire fighting of clean factory buildings according to any one of claims 1 to 4, characterized in that: the upper end face of the ball seat (8) is provided with an inclined plane boss (801), the upper end face of the inclined plane boss (801) is obliquely arranged, and the inclined plane boss (801) is sleeved in a hollow mode and extends into the lower end of the nozzle (9).