Self-spraying nozzle on oil smoke exhaust duct of public kitchen

Abstract

The utility model discloses a self-spraying nozzle on an oil smoke exhaust duct of a public kitchen, which relates to the technical field of public kitchens and comprises a tee joint, a spraying branch pipe is fixedly connected to the lower surface of the top of the tee joint, and a straight pipe is fixedly connected to the lower surface of the bottom of the spraying branch pipe. The lower surface of the bottom of the straight pipe is in threaded connection with the movable connection pipe, the lower surface of the bottom of the movable connection pipe is in threaded connection with the fire hose, the lower surface of the bottom of the fire hose is in threaded connection with the connector, and the lower surface of the bottom of the connector is in threaded connection with the cover plate. The fire hose is connected with the spray branch pipe and the spray head, and the cover plate is in sealed connection with the air pipe, so that the sealing performance of the oil smoke exhaust air pipe can be improved, the oil smoke exhaust air pipe is convenient to mount and dismount and simple to construct, meanwhile, gas in the air pipe can be effectively and automatically exhausted through the fan assembly in a public kitchen, automatic ventilation of the public kitchen is facilitated, and the service life of the public kitchen is prolonged. The overflow of lampblack is reduced, and the air quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of public kitchens, in particular to a self-spraying nozzle on an oil fume exhaust duct of a public kitchen. Background Art

[0002] A kitchen is a room where food can be prepared and cooked. A modern kitchen usually has equipment including stoves, sinks and food storage equipment. Looking at the evolution of kitchen layout in Chinese history, it depends on the development of productivity on the one hand, and on the local natural conditions and residents' living habits on the other. Through the evolution of different periods, the functionality of the kitchen has gradually become reasonable. In recent years, kitchen flues have caught fire from time to time. As an effective fire prevention and fire extinguishing measure, the regulations stipulate that fire sprinklers should be installed at a certain distance in the kitchen exhaust duct.

[0003] The existing self-spraying nozzle on the oil fume exhaust duct of a public kitchen cannot guarantee the sealing performance of the oil fume exhaust duct under the traditional method, and because the hole opening and the installation of the nozzle are both carried out at high altitude, the on-site operation is difficult and the construction efficiency is low. In addition, this method is not convenient for later inspection or replacement of the spray head, and it is impossible to ventilate and filter the oil fume in the air duct, which brings certain adverse effects to people's use process. In order to solve the shortcomings of the existing technology, we propose a self-spraying nozzle on the oil fume exhaust duct of a public kitchen. Utility Model Content

[0004] The main purpose of the utility model is to provide a self-spraying nozzle on a public kitchen exhaust duct, which can effectively solve the problems in the background technology.

[0005] The utility model is implemented by the following technical scheme: a self-spraying nozzle on an oil fume duct in a public kitchen, comprising a tee, a spray branch pipe is fixedly connected to the top lower surface of the tee, a straight pipe is fixedly connected to the bottom lower surface of the spray branch pipe, a flexible pipe is threadedly connected to the bottom lower surface of the straight pipe, a fire hose is threadedly connected to the bottom lower surface of the flexible pipe, a joint is threadedly connected to the bottom lower surface of the fire hose, and a cover plate is threadedly connected to the bottom lower surface of the joint.

[0006] Through the above technical solution, the sprinkler pipe can be arranged more flexibly through the fire hose.

[0007] As a further improvement of the above solution, the bottom lower surface of the cover plate is threadedly connected with a bolt, the bottom lower surface of the bolt is threadedly connected with a sealing gasket, the bottom lower surface of the sealing gasket is threadedly connected with a connecting pipe, and the bottom lower surface of the connecting pipe is threadedly connected with a sprinkler head.

[0008] Through the above technical solution, the cover plate can be protected by the sealing gasket.

[0009] As a further improvement of the above solution, a duct flange interface is fixedly connected to the bottom lower surface of the cover plate, an air duct is fixedly installed on the outside of the duct flange interface, and a filter is fixedly installed inside the duct flange interface.

[0010] Through the above technical solution, the oil smoke can be filtered through the filter.

[0011] As a further improvement of the above-mentioned scheme, a smoke exhaust port is symmetrically arranged on the outer surface of one side of the air duct, a pre-filter is fixedly arranged on the outer surface of the side away from the smoke exhaust port, a purifier is fixedly arranged on the outer surface of the side away from the pre-filter, a post-filter is fixedly arranged on the outer surface of the side away from the purifier, and a fan seat is fixedly arranged on the outer surface of the side away from the post-filter, and the upper and lower ends of the pre-filter, purifier, post-filter and fan seat are connected to the upper and lower ends of the air duct.

[0012] Through the above technical solution, the fan can be fixed through the fan seat.

[0013] As a further improvement of the above scheme, a fan is fixedly installed inside the fan base, a motor is fixedly connected to the top of the inner cavity of the fan, a rotating shaft is fixedly connected to the bottom lower surface of the motor, and fan blades are fixedly connected to the bottom lower surface of the rotating shaft.

[0014] Through the above technical solution, the oil smoke in the air duct can be circulated through the fan blades.

[0015] As a further improvement of the above solution, a fan switch is fixedly connected to the outer surface of one side of the motor, and the cover plate is connected to the air duct flange interface by bolts.

[0016] Through the above technical solution, the fan can be controlled by the fan switch.

[0017] Beneficial Effects

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] 1. In the utility model, the spray assembly is provided, so that it is convenient to build a public kitchen, easy to disassemble, easy to inspect and repair the spray facilities, and at the same time reduce the error of human installation. The sealing is reliable, and the fire hose is used for connection, so that the arrangement of the spray pipe is more flexible. At the same time, the cover plate also serves as the air duct inspection port, and no additional setting is required.

[0020] 2. In the utility model, by providing a fan assembly, the public kitchen can effectively and automatically discharge the gas in the air duct, which is convenient for automatic ventilation of the public kitchen, reduces the overflow of oil smoke, and improves the air quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 It is a perspective view of the overall structure of the utility model;

[0023] Figure 3 It is a parts diagram of the utility model;

[0024] Figure 4 It is a schematic diagram of the parts connection of the utility model;

[0025] Figure 5 It is a schematic diagram of the internal structure of the air duct of the utility model;

[0026] Figure 6 It is a schematic diagram of the internal structure of the fan of the utility model.

[0027] In the figure: 1. tee; 2. sprinkler branch pipe; 3. straight pipe; 4. flexible pipe; 5. fire hose; 6. joint; 7. cover plate; 8. bolt; 9. sealing gasket; 10. connecting pipe; 11. sprinkler head; 12. air duct; 13. air duct flange interface; 14. filter; 15. smoke exhaust port; 16. pre-filter; 17. purifier; 18. post-filter; 19. fan base; 20. fan; 21. motor; 22. rotating shaft; 23. fan blades; 24. fan switch. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] like Figure 1-6As shown, a self-spraying nozzle on a public kitchen oil fume exhaust duct comprises a tee 1, a spray branch pipe 2 is fixedly connected to the top lower surface of the tee 1, a straight pipe 3 is fixedly connected to the bottom lower surface of the spray branch pipe 2, a flexible pipe 4 is threadedly connected to the bottom lower surface of the straight pipe 3, a fire hose 5 is threadedly connected to the bottom lower surface of the flexible pipe 4, a joint 6 is threadedly connected to the bottom lower surface of the fire hose 5, a cover plate 7 is threadedly connected to the bottom lower surface of the joint 6, a bolt 8 is threadedly connected to the bottom lower surface of the cover plate 7, a sealing gasket 9 is threadedly connected to the bottom lower surface of the bolt 8, and a sealing gasket 9 is threadedly connected to the bottom lower surface of the sealing gasket 9. A connecting pipe 10 is provided, and a sprinkler head 11 is threadedly connected to the bottom lower surface of the connecting pipe 10, and a duct flange interface 13 is fixedly connected to the bottom lower surface of the cover plate 7. An air duct 12 is fixedly provided on the outside of the air duct flange interface 13, and a filter screen 14 is fixedly provided inside the air duct flange interface 13. The cover plate 7 is connected to the air duct flange interface 13 by bolts 8, which makes it easy to build a public kitchen, easy to disassemble, and easy to repair the sprinkler facilities. At the same time, it reduces the error of human installation, and the sealing is reliable. The fire hose 5 is used for connection, so that the sprinkler pipe layout is more flexible. At the same time, the cover plate 7 also serves as the inspection port of the air duct 12, and no additional setting is required.

[0030] A smoke outlet 15 is symmetrically arranged on the outer surface of one side of the air duct 12, a front filter 16 is fixedly arranged on the outer surface of the side away from the smoke outlet 15, a purifier 17 is fixedly arranged on the outer surface of the side away from the front filter 16, a rear filter 18 is fixedly arranged on the outer surface of the side away from the purifier 17, and a fan seat 19 is fixedly arranged on the outer surface of the side away from the rear filter 18, and the upper and lower ends of the front filter 16, the purifier 17, the rear filter 18, and the fan seat 19 are all connected to the upper and lower ends of the air duct 12. The lower two ends are connected, a fan 20 is fixedly arranged inside the fan seat 19, a motor 21 is fixedly connected to the top of the inner cavity of the fan 20, a rotating shaft 22 is fixedly connected to the bottom lower surface of the motor 21, a fan blade 23 is fixedly connected to the bottom lower surface of the rotating shaft 22, and a fan switch 24 is fixedly connected to the outer surface of one side of the motor 21, so that the public kitchen can effectively and automatically discharge the gas in the air duct 12, facilitate the automatic ventilation of the public kitchen, reduce the overflow of oil smoke, and improve the air quality.

[0031] Working principle and process of this utility model:

[0032] The staff splices the air duct 12 on the ground, reserves the air duct flange interface 13 according to the arrangement position of the sprinkler head 11, installs the air duct 12 on the cooking equipment, connects the straight pipe 3 with the sprinkler system and the tee 1, and threadedly connects the fire hose 5 with the joint 6, the connecting pipe 10, and the sprinkler head 11, and then fixes the cover plate 7, the sealing gasket 9, the air duct flange interface 13 and the bolt 8, and threadedly connects the upper end of the connected part such as the fire hose 5 with the straight pipe 3. When inspecting the sprinkler head, remove the bolt 8 and open the cover plate 7. When running, press the fan switch 24 to start the motor 21 to work, thereby driving the rotating shaft 22 to rotate, and then driving the fan blades 23 to rotate, so that the air in the air duct 12 can be blown, and the oil smoke of the air duct 12 is filtered and adsorbed through the filter 14, the pre-filter 16 and the post-filter 18, and is evolved through the purifier 17, so that the oil smoke can be discharged from the exhaust port 15, reducing the overflow of oil smoke and improving the air quality.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0034] 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 variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A self-spraying nozzle on a public kitchen exhaust duct, comprising a tee (1), Features: A sprinkler branch pipe (2) is fixedly connected to the top lower surface of the tee (1), a straight pipe (3) is fixedly connected to the bottom lower surface of the sprinkler branch pipe (2), a flexible pipe (4) is threadedly connected to the bottom lower surface of the straight pipe (3), a fire hose (5) is threadedly connected to the bottom lower surface of the flexible pipe (4), a joint (6) is threadedly connected to the bottom lower surface of the fire hose (5), and a cover plate (7) is threadedly connected to the bottom lower surface of the joint (6).

2. A self-spraying nozzle on a public kitchen exhaust duct according to claim 1, Features: The bottom lower surface of the cover plate (7) is threadedly connected with a bolt (8), the bottom lower surface of the bolt (8) is threadedly connected with a sealing gasket (9), the bottom lower surface of the sealing gasket (9) is threadedly connected with a connecting pipe (10), and the bottom lower surface of the connecting pipe (10) is threadedly connected with a sprinkler head (11).

3. The self-spraying nozzle on the oil exhaust duct of a public kitchen according to claim 1, Features: An air duct flange interface (13) is fixedly connected to the lower surface of the bottom of the cover plate (7), an air duct (12) is fixedly arranged on the outside of the air duct flange interface (13), and a filter screen (14) is fixedly arranged inside the air duct flange interface (13).

4. The self-spraying nozzle on the oil exhaust duct of a public kitchen according to claim 3, Features: A smoke exhaust port (15) is symmetrically arranged on the outer surface of one side of the air duct (12); a front filter (16) is fixedly arranged on the outer surface of the side away from the smoke exhaust port (15); a purifier (17) is fixedly arranged on the outer surface of the side away from the front filter (16); a rear filter (18) is fixedly arranged on the outer surface of the side away from the purifier (17); a fan seat (19) is fixedly arranged on the outer surface of the side away from the rear filter (18); and the upper and lower ends of the front filter (16), the purifier (17), the rear filter (18) and the fan seat (19) are all connected to the upper and lower ends of the air duct (12).

5. The self-spraying nozzle on the oil exhaust duct of a public kitchen according to claim 4, Features: A fan (20) is fixedly arranged inside the fan seat (19), a motor (21) is fixedly connected to the top of the inner cavity of the fan (20), a rotating shaft (22) is fixedly connected to the bottom lower surface of the motor (21), and a fan blade (23) is fixedly connected to the bottom lower surface of the rotating shaft (22).

6. The self-spraying nozzle on the oil exhaust duct of a public kitchen according to claim 5, Features: A fan switch (24) is fixedly connected to an outer surface of one side of the motor (21), and the cover plate (7) is connected to the air duct flange interface (13) via bolts (8).

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