Spray head

Abstract

The utility model relates to the technical field of fire-fighting sprayers, and discloses a sprayer which comprises a base body provided with a hole channel; the first nozzle comprises a first sleeve and a through hole; the plurality of through holes are distributed in the wall body of the first sleeve; the ring body sleeves the base body and is provided with a plurality of grooves; the second nozzle comprises a second sleeve and a spraying hole; the second sleeve is further provided with a plurality of protruding blocks, and the protruding blocks are matched with the grooves in shape. The inner diameter of the second sleeve is matched with the outer diameter of the first sleeve; the protruding block is inserted into the groove, so that the inner wall of the second sleeve abuts against the outer wall of the first sleeve, and the first nozzle is detachably sleeved with the second nozzle. According to the spray head provided by the utility model, through the arrangement of the spray head with a simple switching design, when a spraying form needs to be replaced, only the second spray nozzle needs to be assembled and disassembled, and the practicability is high; the second nozzle can be conveniently assembled and disassembled on the first nozzle by means of the insertion matching of the convex block and the groove and the sleeving matching of the second sleeve and the first sleeve, and the use requirements of corresponding environments or equipment are met.

Description

Technical Field

[0001] The utility model relates to the technical field of fire sprinklers, and particularly relates to a sprinkler head. Background Art

[0002] A high-pressure fine water mist sprinkler head is an efficient fire extinguishing device. It raises the water pressure to dozens of megapascals through a high-pressure pump group, and then atomizes it into high-speed and high-density small water droplets through a nozzle. These tiny water droplets can quickly absorb heat, reduce the flame temperature, effectively inhibit the spread of fire, and at the same time dilute the oxygen in the air to achieve the effect of suffocating the fire.

[0003] In the related art, high-pressure fine water mist sprinkler heads are applied in various different fire extinguishing scenarios. Among them, due to different structural forms of the equipment and different positions to be sprayed, the requirements for the spraying form of the sprinkler head are also different. Often, different sprinkler heads need to be replaced, or the structure of the sprinkler head needs to be modified, which is time-consuming and laborious and affects the use effect. Summary of the Utility Model

[0004] In view of this, the utility model provides a sprinkler head to solve the problem that it is difficult for a high-pressure fine water mist sprinkler head to conveniently change the spraying form.

[0005] The utility model provides a sprinkler head, comprising: a base body, provided with a through hole; a first nozzle, comprising a first sleeve and a through hole; the first sleeve is connected to the base body and communicates with the through hole; a plurality of the through holes are distributed on the wall of the first sleeve; a ring body, sleeved on the base body and provided with a plurality of grooves; a second nozzle, comprising a second sleeve and a spray hole, the spray hole is opened on the wall of the second sleeve; the second sleeve is further provided with a plurality of convex blocks near the barrel mouth, and the shapes of the convex blocks match the grooves; wherein, the inner diameter of the second sleeve matches the outer diameter of the first sleeve; the convex blocks are suitable for being inserted into the grooves, so that the inner wall of the second sleeve abuts against the outer wall of the first sleeve, and the second nozzle is detachably sleeved outside the first nozzle.

[0006] Beneficial effects: By providing a sprinkler head with a simple switching design, the sprinkler head has a first nozzle fixedly arranged on the base body and a second nozzle detachably sleeved on the first nozzle. When the spraying form needs to be changed, only the second nozzle needs to be installed and disassembled, realizing a quick and effective transformation of the spraying form of the sprinkler head, with strong practicability; the second nozzle realizes convenient installation and disassembly on the first nozzle by means of the insertion and cooperation of the convex blocks and the grooves, and the socketing cooperation of the second sleeve and the first sleeve, meeting the use requirements of the corresponding environment or equipment; the cooperation of the shoulder and the stop groove can effectively prevent the second nozzle from slipping and loosening, improving the stability of the installation of the second nozzle.

[0007] In an alternative embodiment, a shoulder is formed on the base body between the annular body and the first nozzle, and a stop groove is provided on the inner wall of the second sleeve near the mouth of the sleeve; wherein, when the second nozzle is sleeved outside the first nozzle, the shoulder is fitted and clamped in the stop groove.

[0008] In an alternative embodiment, the groove is an arc groove, and a plurality of the grooves are evenly spaced; the arcs of the plurality of grooves are the same, and the arc notches all face the base body.

[0009] In an alternative embodiment, a plurality of the bumps are evenly spaced, the shape of the bump is arc-shaped, and the arc of the bump is the same as the arc of the groove.

[0010] In an alternative embodiment, it further includes a connecting strip provided on the periphery of the second sleeve, and the lower end of the connecting strip is flush with the edge of the mouth of the sleeve; the bump is connected to the lower end of the connecting strip, and when the bump is inserted and immersed in the groove, the second sleeve abuts against the annular body.

[0011] Beneficial effects: The lower end of the connecting strip is flush with the edge of the mouth of the sleeve, and the bump is connected to the lower end of the connecting strip. When the bump is inserted and immersed in the groove, the mouth of the second sleeve abuts against the annular body, thereby improving the installation stability of the second nozzle and preventing the second nozzle from slipping and loosening.

[0012] In an alternative embodiment, it further includes an auxiliary ring sleeved on the periphery of the second sleeve; a plurality of first anti-slip grooves are evenly distributed on the periphery of the auxiliary ring, which is suitable for assisting in the installation and disassembly of the second nozzle.

[0013] Beneficial effects: When installing and disassembling the second nozzle, the staff holds the auxiliary ring for operation and stably holds it by means of the first anti-slip grooves, which is beneficial for the staff to apply force and operate, improves the installation firmness and reliability of the second nozzle, simplifies the operation difficulty, and helps to facilitate the transformation of the spraying form.

[0014] In an alternative embodiment, the spray holes are opened at one end of the second sleeve away from the bump; the through holes are evenly distributed on the periphery and the end of the first sleeve.

[0015] In an alternative embodiment, a second anti-slip groove is provided around a part of the peripheral wall of the base body.

[0016] In an alternative embodiment, a ring wall extends from one end of the base body away from the first nozzle, and a fixing ring is connected to the periphery of the ring wall.

[0017] In an alternative embodiment, a part of the outer wall of the base near the spray hole is tapered. Description of the Drawings

[0018] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0019] Figure 1 Structural schematic diagram of the nozzle of the present invention;

[0020] Figure 2 Cross-sectional schematic diagram of the nozzle of the present invention;

[0021] Figure 3 Disassembly schematic diagram of the second nozzle of the present invention;

[0022] Figure 4 Schematic diagram of the nozzle of the present invention from bottom to top.

[0023] Description of the reference numerals:

[0024] 1. Base; 11. Duct; 12. Shoulder; 13. Ring wall; 14. Second anti-slip groove; 2. First nozzle; 21. First sleeve; 22. Through hole; 3. Ring body; 31. Groove; 4. Second nozzle; 41. Second sleeve; 42. Spray hole; 43. Protrusion; 44. Stopper groove; 5. Connecting bar; 6. Auxiliary ring; 61. First anti-slip groove; 7. Fixed ring. Specific Embodiments

[0025] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are some but not all of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0026] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0027] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] In addition, the technical features involved in different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0029] The following Figures 1 to 4 , describes the embodiments of the present utility model.

[0030] According to an embodiment of the present utility model, a nozzle is provided. The nozzle can be a high-pressure fine water mist nozzle, and the high-pressure fine water mist nozzle includes: a base body 1, through which a channel 11 is provided; a first nozzle 2, including a first sleeve 21 and a through hole 22; the first end of the base body 1 in the axial direction is connected to the first nozzle 2, and the second end is connected to a water pipe to supply water into the channel 11; the first sleeve 21 is connected to the base body 1 and communicates with the channel 11; a plurality of the through holes 22 are distributed on the wall of the first sleeve 21, so that water flow scatters out, thereby obtaining an atomization effect; a ring body 3, sleeved on the base body 1, and provided with a plurality of grooves 31; a second nozzle 4, including a second sleeve 41 and a spray hole 42, and a single spray hole 42 is opened on the wall of the second sleeve 41, so that water flow shoots out directly, obtaining a direct spray effect; a plurality of convex blocks 43 are further provided at a position of the second sleeve 41 close to the barrel mouth, and the shapes of the convex blocks 43 and the grooves 31 match; wherein, the inner diameter of the second sleeve 41 matches the outer diameter of the first sleeve 21; the convex blocks 43 are inserted into the grooves 31, so that the inner wall of the second sleeve 41 abuts against the outer wall of the first sleeve 21, and the second nozzle 4 is detachably sleeved outside the first nozzle 2.

[0031] In this embodiment, the spray head has a first spraying state in which the first nozzle 2 is exposed, so that water flows through the first nozzle 2 and is scattered and atomized, and also has a second spraying state in which the second nozzle 4 is sleeved outside the first nozzle 2, so that water flows through the second nozzle 4 and shoots directly out; the spray head realizes the detachable sleeving of the second nozzle 4 on the first nozzle 2 by means of the insertion and cooperation of the convex block 43 and the groove 31, and the sleeving cooperation of the second sleeve 41 and the first sleeve 21, thereby realizing the purpose of conveniently changing the spraying form of the spray head; in practical applications, according to the fire protection requirements of different use environments and / or different devices, the first nozzle 2 is kept exposed, or the second nozzle 4 is sleeved outside the first nozzle 2, so as to realize the switching of the spraying form of the spray head. The switching process is convenient, simple and effective.

[0032] The switching structure of the spray head is provided with a shoulder 12 formed between the ring body 3 and the first nozzle 2 on the base body 1, and a stop groove 44 is provided on the inner wall of the second sleeve 41 near the barrel mouth; wherein, when the second nozzle 4 is sleeved outside the first nozzle 2, the shoulder 12 is engaged and clamped in the stop groove 44 to assist the second nozzle 4 in being sleeved outside the first nozzle 2, which can effectively prevent the second nozzle 4 from slipping and loosening and improve the installation stability of the second nozzle 4.

[0033] It should be noted that the groove 31 can be, but is not limited to, an arc-shaped groove, and a plurality of the grooves 31 are evenly spaced; the arcs of the plurality of grooves 31 are the same, and the arc-shaped notches are all arranged towards the base body 1; a plurality of the convex blocks 43 are evenly spaced, the shape of the convex block 43 can be, but is not limited to, an arc, and the arc of the convex block 43 is the same as the arc of the groove 31.

[0034] The specific use process of the nozzle is as follows. Install the nozzle at a suitable position. Through the groove 31 provided at the ring body 3 and the convex block 43 provided at the second nozzle 4, and at the same time, the inner diameter of the second nozzle 4 matches the outer diameter of the first nozzle 2, so that the staff can install or disassemble the second nozzle 4 according to the required spraying state. If the required spraying form at the corresponding environment or equipment is atomized spraying, the staff needs to not install or remove the second nozzle 4, so that the first nozzle 2 is exposed. In this way, when fire extinguishing work needs to be carried out, the through holes 22 evenly distributed on the surface of the first nozzle 2 can atomize the water flow and spray it out to meet the fire extinguishing requirements of the corresponding environment or equipment. If the required spraying form at the corresponding environment or equipment is direct spraying, the staff needs to install the second nozzle 4 outside the first nozzle 2. The second nozzle 4 plays the function of converting the spraying form. The circumferential inner wall of the second nozzle 4 abuts against the circumferential inner wall of the first nozzle 2, so that after the water flow flows out from the top through hole 22 of the first nozzle 2, it then directly sprays out through the spray holes 42 in the second nozzle 4, thereby obtaining a direct spraying effect and meeting the use requirements of the corresponding environment or equipment. The switching process of the spraying form of the nozzle is simple and rapid, and can achieve an effective switching effect, with strong practicability.

[0035] Specifically, when installing the second nozzle 4, the convex blocks 43 at the second nozzle 4 need to be aligned above the grooves 31 at the ring body 3 respectively, and then force is applied to insert the convex blocks 43 correspondingly into the grooves 31 until the convex blocks 43 are completely immersed in the grooves 31. The mouth of the second sleeve 41 abuts against the ring body 3, and at the same time, the shoulder 12 is also clamped in the stop groove 44. The inner wall of the second sleeve 41 abuts against the outer wall of the first sleeve 21, so that the second nozzle 4 is firmly connected to the outside of the first nozzle 2. When removing the second nozzle 4, hold the auxiliary ring 6 on the circumference of the second nozzle 4, and then apply force to pull it outwards. With the help of external force, the convex blocks 43 are disengaged from the grooves 31, the shoulder 12 is separated from the stop groove 44, and the second nozzle 4 is separated from the first nozzle 2, so that the first nozzle 2 can be completely exposed.

[0036] In this embodiment, by setting a nozzle with a simple switching design, the nozzle has a first nozzle 2 fixedly arranged at the base body 1 and a second nozzle 4 detachably sleeved on the first nozzle 2. When the spraying form needs to be changed, only the second nozzle 4 needs to be installed or disassembled, realizing the quick and effective transformation of the spraying form of the nozzle, with strong practicability. The second nozzle 4 realizes convenient installation and disassembly on the first nozzle 2 by means of the plug-in fit between the convex blocks 43 and the grooves 31 and the sleeve fit between the second sleeve 41 and the first sleeve 21, meeting the use requirements of the corresponding environment or equipment. The cooperation between the shoulder 12 and the stop groove 44 can effectively prevent the second nozzle 4 from slipping and loosening, improving the installation stability of the second nozzle 4.

[0037] In some embodiments, in combination with Figure 1As shown, the nozzle further includes a connecting strip 5 disposed on the circumference of the second sleeve 41, and the lower end of the connecting strip 5 is flush with the edge of the barrel opening; the convex block 43 is in contact with the lower end of the connecting strip 5, so that when the convex block 43 is inserted into and immersed in the groove 31, the barrel opening of the second sleeve 41 abuts against the ring body 3, thereby improving the installation stability of the second nozzle 4 and preventing the second nozzle 4 from slipping and loosening.

[0038] In some embodiments, in combination with Figure 1 As shown, the nozzle further includes an auxiliary ring 6 sleeved on the circumference of the second sleeve 41; a plurality of first anti-slip grooves 61 are evenly distributed on the circumference of the auxiliary ring 6 for assisting in the installation and disassembly of the second nozzle 4; when installing and disassembling the second nozzle 4, the operator holds the auxiliary ring 6 for operation and stably holds it by means of the first anti-slip grooves 61, which is beneficial for the operator to apply force and manipulate, and improves the installation stability and reliability of the second nozzle 4, simplifies the operation difficulty, and helps to facilitate the transformation of the spraying form.

[0039] In some embodiments, in combination with Figure 1 As shown, a single spray hole 42 is opened at one end of the second sleeve 41 away from the convex block 43; the through holes 22 are evenly distributed on the circumference and end of the first sleeve 21; when the second nozzle 4 is sleeved outside the first nozzle 2, the through holes 22 on the circumference of the first sleeve 21 are abutted and temporarily closed by the first sleeve 21, and the water flow sprays out from the through holes 22 at the end of the first nozzle 2 into the inside of the second nozzle 4, and then sprays out directly through the spray holes 42 of the second nozzle 4.

[0040] In some embodiments, in combination with Figure 1 As shown, a second anti-slip groove 14 is provided around a part of the circumferential wall of the base body 1. When installing the nozzle and the water pipe, the operator can hold the second anti-slip groove 14 to assist in the installation by means of the friction effect, saving labor and facilitating the convenient installation and disassembly between the nozzle and the water pipe.

[0041] In some embodiments, in combination with Figure 4 As shown, a ring wall 13 extends from one end of the base body 1 away from the first nozzle 2, and a fixing ring 7 is connected to the circumference of the ring wall 13. The connection method can be but is not limited to threaded connection, that is, threads are respectively provided on the outer wall of the ring wall 13 and the inner wall of the fixing ring 7; the connection ring can improve the stability when the nozzle is connected to the water pipe, and has strong practicability.

[0042] In some embodiments, in combination with Figure 1 As shown, a part of the outer wall of the base body 1 near the spray hole 42 is tapered and the diameter gradually decreases in the direction close to the spray hole 42, which plays a role in collecting water flow and improves the direct spraying effect.

[0043] Obviously, the above embodiments are merely examples for clear illustration and not limitations on the implementation manners. Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations fall within the scope defined by the present invention.

Claims

1. A nozzle, characterized in that, Comprising: A substrate (1) is provided with a through-hole (11) therethrough; A first nozzle (2) includes a first sleeve (21) and a through-hole (22); the first sleeve (21) is connected to the substrate (1) and communicates with the through-hole (11); a plurality of the through-holes (22) are distributed on the wall of the first sleeve (21); A ring body (3) is sleeved on the substrate (1) and is provided with a plurality of grooves (31); A second nozzle (4) includes a second sleeve (41) and a spray hole (42), and the spray hole (42) is opened on the wall of the second sleeve (41); The second sleeve (41) is further provided with a plurality of bumps (43) near the mouth of the sleeve, and the shape of the bumps (43) matches the shape of the grooves (31); Wherein, the inner diameter of the second sleeve (41) matches the outer diameter of the first sleeve (21); The bumps (43) are adapted to be inserted into the grooves (31) so that the inner wall of the second sleeve (41) abuts against the outer wall of the first sleeve (21), and the second nozzle (4) is detachably sleeved outside the first nozzle (2).

2. The nozzle according to claim 1, characterized in that, A shoulder (12) is formed on the substrate (1) between the ring body (3) and the first nozzle (2), and a stop groove (44) is provided on the inner wall of the second sleeve (41) near the mouth of the sleeve; Wherein, when the second nozzle (4) is sleeved outside the first nozzle (2), the shoulder (12) is cooperatively clamped in the stop groove (44).

3. The nozzle according to claim 1, characterized in that, The grooves (31) are arc-shaped grooves, and a plurality of the grooves (31) are evenly spaced; The arcs of a plurality of the grooves (31) are the same, and the arc-shaped notches all face the substrate (1).

4. The spray head according to claim 3, characterized in that, A plurality of the bumps (43) are evenly spaced, the shape of the bumps (43) is arc-shaped, and the arc of the bumps (43) is the same as the arc of the grooves (31).

5. The nozzle according to claim 3 or 4, characterized in that, Further included is a connecting strip (5) provided on the circumference of the second sleeve (41), and the lower end of the connecting strip (5) is flush with the edge of the mouth of the second sleeve (41); The bumps (43) are connected to the lower end of the connecting strip (5), and when the bumps (43) are inserted into and submerged in the grooves (31), the second sleeve (41) abuts against the ring body (3).

6. The showerhead according to any one of claims 1-4, characterized in that, Further included is an auxiliary ring (6), and the auxiliary ring (6) is sleeved on the circumference of the second sleeve (41); A plurality of first anti-slip grooves (61) are evenly distributed on the circumference of the auxiliary ring (6), which is adapted to assist in the installation and disassembly of the second nozzle (4).

7. The shower head according to claim 6, wherein, The spray hole (42) is opened at one end of the second sleeve (41) away from the bumps (43); The through-holes (22) are evenly distributed on the circumference and the end of the first sleeve (21).

8. The showerhead according to claim 2, wherein, A second anti-slip groove (14) is provided around a part of the circumferential wall of the substrate (1).

9. The showerhead according to claim 8, characterized in that, One end of the substrate (1) away from the first nozzle (2) extends with a ring wall (13), and a fixing ring (7) is connected to the circumference of the ring wall (13).

10. The nozzle according to claim 8 or 9, characterized in that, A part of the outer wall of the substrate (1) near the spray hole (42) is tapered.

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