CN215427090U

CN215427090U - Dry-type fire control shower nozzle

Info

Publication number: CN215427090U
Application number: CN202121732477.0U
Authority: CN
Inventors: 黄厚德; 刘成林
Original assignee: Hengdun Fire Fighting Technology Co ltd
Current assignee: Hengdun Fire Fighting Technology Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-01-07
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses a dry-type fire-fighting nozzle, which comprises a nozzle inner tube for spraying water, a nozzle outer tube sleeved on the nozzle inner tube, a limit joint arranged at one end of the nozzle outer tube and used for limiting the nozzle inner tube, a nozzle frame fixed at one end of the limit joint far away from the nozzle outer tube, a spring sleeved on the nozzle inner tube and used for enabling the nozzle inner tube to act, a sealing base arranged at one end of the nozzle outer tube far away from the limit joint and in threaded connection with the nozzle outer tube, a water inlet arranged on the sealing base and a temperature sensing glass ball used for sensing external temperature and breaking to enable the nozzle inner tube to act; one end of the nozzle inner pipe is provided with a water spraying opening and a sealing plug which is arranged at one end of the nozzle inner pipe, far away from the water spraying opening, and hinged with the nozzle inner pipe to plug the water inlet.

Description

Dry-type fire control shower nozzle

Technical Field

The utility model relates to the technical field of fire-fighting sprayers, in particular to a dry-type fire-fighting sprayer.

Background

Along with the development of cities, people gradually leave a self-built room and live into a safe and comfortable commercial room, fire-fighting facilities must be installed in each building for guaranteeing the life and property safety of people, the fire-fighting facilities comprise a fire-fighting water pipe and a fire-fighting nozzle used for automatically spraying water, the common fire-fighting nozzle is filled with water in the fire-fighting nozzle, the environment temperature in a cold storage is too low, the fire-fighting nozzle is easy to freeze, and water cannot be sprayed in time when a fire disaster happens.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the technical problem to be solved by the utility model is to provide a dry fire sprinkler, so as to solve the problems.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a dry type fire-fighting spray head, which is characterized in that: the automatic sprinkler comprises a sprinkler inner pipe for spraying water, a sprinkler outer pipe sleeved on the sprinkler inner pipe, a limit joint arranged at one end of the sprinkler outer pipe and used for limiting the sprinkler inner pipe, a sprinkler frame fixed at one end of the limit joint far away from the sprinkler outer pipe, a spring sleeved on the sprinkler inner pipe and used for enabling the sprinkler inner pipe to act, a sealing base arranged at one end of the sprinkler outer pipe far away from the limit joint and in threaded connection with the sprinkler outer pipe, a water inlet arranged on the sealing base and a temperature sensing glass ball used for sensing external temperature and breaking to enable the sprinkler inner pipe to act; one end of the nozzle inner pipe is provided with a water spraying opening and a sealing plug which is arranged at one end of the nozzle inner pipe, far away from the water spraying opening, and hinged with the nozzle inner pipe to plug the water inlet.

Furthermore, the end of the nozzle outer pipe, which is far away from the limit joint, is provided with an external thread connected with a fire hose.

Furthermore, the temperature sensing glass ball is connected with the inner pipe of the nozzle through a glass ball base.

Furthermore, a hinge lug for hinging the sealing plug is fixed at one end of the nozzle inner pipe, which is far away from the water spray port; the sealing plug is hinged with the hinge lug through a rotating shaft; and a torsion spring which enables the sealing plug to turn to one side is sleeved on the rotating shaft.

Furthermore, a limiting ring used for limiting a spring is fixed at one end of the spray head outer pipe close to the limiting joint; the spring is connected with the sealing base through a sealing ring.

Furthermore, a protective cover for protecting the outer pipe of the spray head is fixed on the limit joint.

Furthermore, a limiting hole for the water spraying port to penetrate through is formed in the center of the limiting joint.

The utility model has the beneficial effects that:

a dry-type fire control shower nozzle inner tube, the shower nozzle outer tube that is fitted over shower nozzle inner tube, make the shower nozzle inner tube can move through the spring between shower nozzle inner tube and shower nozzle outer tube; when the temperature sensing glass ball breaks, the temperature sensing glass ball displaces from the outer pipe of the spray head, a sealing base is arranged at one end, far away from the limiting joint, of the outer pipe of the spray head and is in threaded connection with the outer pipe of the spray head, a water inlet is formed in the sealing base, one end, far away from a water spray opening, of the inner pipe of the spray head is hinged with the inner pipe of the spray head to seal the water inlet, the water inlet is sealed through the sealing plug, water does not collect in the fire-fighting spray head when the temperature sensing glass ball does not break, the temperature sensing glass ball displaces from the outer pipe of the spray head when the temperature sensing glass ball breaks, and the sealing plug is pulled to open the water inlet so that water enters the fire-fighting spray head and is sprayed out from the water spray opening; in the unable shower nozzle inner tube that gets into of normal condition offal, the shower nozzle inner tube can not be because of the temperature is low freezing with the shower nozzle inner tube jam excessively.

Drawings

FIG. 1 is a schematic view of the overall structure of a dry fire sprinkler according to the present invention;

FIG. 2 is a schematic view of an inner tube structure of a dry fire sprinkler head of the present invention;

FIG. 3 is a schematic view of the external structure of a dry fire sprinkler according to the present invention;

FIG. 4 is a schematic view of a structure of a dry fire sprinkler spacing joint according to the present invention.

Reference numbers in the figures:

1. a nozzle inner tube; 2. a nozzle outer tube; 3. a limiting joint; 4. a nozzle frame; 5. a spring; 6. sealing the base; 7. a water inlet; 8. a temperature-sensitive glass ball; 9. a water jet; 10. sealing the plug; 11. an external thread; 12. a glass ball base; 13. a hinge ear; 14. a rotating shaft; 15. a torsion spring; 16. a limiting ring; 17. a protective cover; 18. a limiting hole; 19. and (4) a sealing ring.

Detailed Description

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1 to 4, the dry fire sprinkler provided in this embodiment is characterized in that: the automatic sprinkler comprises a sprinkler inner tube 1 for spraying water, a sprinkler outer tube 2 sleeved on the sprinkler inner tube 1, a limit joint 3 arranged at one end of the sprinkler outer tube 2 and used for limiting the sprinkler inner tube 1, a sprinkler frame 4 fixed at one end of the limit joint 3 far away from the sprinkler outer tube 2, a spring 5 sleeved on the sprinkler inner tube 1 and used for enabling the sprinkler inner tube 1 to act, a sealing base 6 arranged at one end of the sprinkler outer tube 2 far away from the limit joint 3 and in threaded connection with the sprinkler outer tube 2, a water inlet 7 arranged on the sealing base 6 and a temperature sensing glass ball 8 used for sensing external temperature to break and enabling the sprinkler inner tube 1 to act; one end of the nozzle inner tube 1 is provided with a water spraying opening 9 and a sealing plug 10 which is arranged at one end of the nozzle inner tube 1 far away from the water spraying opening 9 and is hinged with the nozzle inner tube 1 to plug the water inlet 7.

Further, the one end that spacing joint 3 was kept away from to shower nozzle outer tube 2 is provided with the external screw thread 11 that meets with fire hose and makes fire control shower nozzle can stably meet with fire hose to simple to operate is swift.

Further, the temperature sensing glass ball 8 is connected with the nozzle inner tube 1 through a glass ball base 12; the glass ball base 12 and the nozzle inner tube 1 have stable supporting force at the end connected with the nozzle inner tube 1, and when the temperature sensing glass ball 8 is broken, the glass ball base 12 and the nozzle inner tube 1 make the nozzle inner tube 1 have larger displacement.

Furthermore, a hinge lug 13 for hinging the sealing plug 10 is fixed at one end of the nozzle inner pipe 1 away from the water jet 9; the sealing plug 10 is hinged with a hinge lug 13 through a rotating shaft 14; a torsion spring 15 which enables the sealing plug 10 to turn to one side is sleeved on the rotating shaft 14; the action of the sealing plug 10 is more sensitive through the torsion spring 15, and the sealing plug 10 can be quickly deviated to one side when the nozzle inner tube 1 acts, so that the influence on water flow caused by the cheap and small angle of the sealing plug 10 is avoided.

Further, a limiting ring 16 for limiting the spring 5 is fixed at one end of the spray head outer pipe 2 close to the limiting joint 3; the spring 5 is connected with the sealing base 6 through a sealing ring 19, so that the sealing effect is better, and water is prevented from permeating into the fire-fighting nozzle to generate water leakage when the inner pipe 1 of the nozzle does not act.

Further, be fixed with the safety cover 17 that is used for protecting shower nozzle outer tube 2 on the spacing joint 3, make the fire control shower nozzle expose partly more pleasing to the eye while to protect shower nozzle outer tube 2, avoid making shower nozzle outer tube 2 produce deformation and influence the action of shower nozzle inner tube 1 under the condition of external force striking.

Further, a limit hole 18 for allowing the water jet 9 to pass through is provided at a central position of the limit joint 3.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. A dry-type fire control shower nozzle which characterized in that: the automatic sprinkler comprises a sprinkler inner pipe (1) for spraying water, a sprinkler outer pipe (2) sleeved on the sprinkler inner pipe (1), a limiting joint (3) arranged at one end of the sprinkler outer pipe (2) and used for limiting the sprinkler inner pipe (1), a sprinkler frame (4) fixed at one end of the limiting joint (3) far away from the sprinkler outer pipe (2), a spring (5) sleeved on the sprinkler inner pipe (1) and used for enabling the sprinkler inner pipe (1) to act, a sealing base (6) arranged at one end of the sprinkler outer pipe (2) far away from the limiting joint (3) and in threaded connection with the sprinkler outer pipe (2), a water inlet (7) arranged on the sealing base (6) and a temperature sensing glass ball (8) used for sensing external temperature and breaking to enable the sprinkler inner pipe (1) to act; one end of the nozzle inner tube (1) is provided with a water spraying opening (9) and a sealing plug (10) which is arranged at one end of the nozzle inner tube (1) far away from the water spraying opening (9) and is hinged with the nozzle inner tube (1) to plug the water inlet (7).

2. A dry fire sprinkler according to claim 1, wherein: and an external thread (11) connected with a fire-fighting water pipe is arranged at one end of the nozzle outer pipe (2) far away from the limit joint (3).

3. A dry fire sprinkler according to claim 1, wherein: the temperature sensing glass ball (8) is connected with the nozzle inner tube (1) through a glass ball base (12).

4. A dry fire sprinkler according to claim 1, wherein: a hinge lug (13) for hinging a sealing plug (10) is fixed at one end of the nozzle inner pipe (1) far away from the water spray opening (9); the sealing plug (10) is hinged with the hinge lug (13) through a rotating shaft (14); the rotating shaft (14) is sleeved with a torsion spring (15) which enables the sealing plug (10) to turn to one side.

5. A dry fire sprinkler according to claim 1, wherein: a limiting ring (16) used for limiting the spring (5) is fixed at one end of the spray head outer pipe (2) close to the limiting joint (3); the spring (5) is connected with the sealing base (6) through a sealing ring (19).

6. A dry fire sprinkler according to claim 1, wherein: and a protective cover (17) for protecting the spray head outer pipe (2) is fixed on the limit joint (3).

7. A dry fire sprinkler according to claim 1, wherein: and a limiting hole (18) for the water spraying port (9) to penetrate is formed in the center of the limiting joint (3).