TWM513739U - Mist nozzle with strengthened structure - Google Patents

Description

Atomizing nozzle with better structural strength

The present invention relates to an atomizing device, and more particularly to an atomizing nozzle having a preferred structural strength.

The atomizing nozzle can generally be installed at the water outlet end of a spray system. When water or liquid passes through the atomizing nozzle, the water or liquid is sprayed out in the form of atomization by the action of the rotor inside the atomizing nozzle.

The new patent TW M422996 "Single-piece micro-mist nozzle with leak-stop assembly" discloses a one-piece micro-mist nozzle with a large diameter hole inside the body (see the new patent No. 1 icon 40) Position) and a small diameter hole (see the position indicated by the first icon number 56), the outer portion of the body has a threaded section, the threaded section and the large diameter hole overlap in the radial direction, which makes the body in the threaded section and the large The thin hole has a relatively thin thickness, resulting in poor structural strength. Therefore, when the body is screwed to the water outlet end of the spray system, the body is often twisted due to stress acting on the thin wall surface of the thread segment. Broken into two, resulting in assembly problems.

In view of this, how to solve the lack of conventional atomizing nozzles is worthy of consideration by those in the field.

One of the main purposes of the present work is to provide an atomizing nozzle having a threaded section having a preferred structural strength.

In order to achieve the above and other objects, the present invention provides an atomizing nozzle having a preferred structural strength, comprising a body, a rotor and a leak stop assembly having a large diameter hole on an imaginary central axis, a small diameter hole and a water outlet and a water inlet respectively located at two ends of the body, the large diameter hole is adjacent to the water outlet, the small diameter hole is adjacent to the water inlet, and the large and small diameter holes are connected to each other, the body Further, there is an externally threaded section that at least partially overlaps the small diameter hole in the radial direction, and the externally threaded section does not overlap the large diameter hole in the radial direction. The rotor and the leakage stop assembly are housed in the large diameter hole.

With the above design, the atomizing nozzle of the present invention not only accommodates the rotor and the leak stop assembly, but also the large diameter hole does not overlap with the external thread segment in the radial direction, thereby ensuring that the body has a sufficient thickness at the external thread segment. Thereby, it is possible to prevent the body from being twisted into two pieces during the screw locking process.

Please refer to FIGS. 1 to 3 , which is a first embodiment of the present atomizing nozzle. The atomizing nozzle includes a body 10 , a rotor 20 , a leak stop assembly 30 and an outlet end cover 40 .

The main body 10 has a large diameter hole 11 , a small diameter hole 12 , and a water outlet 14 and a water inlet 13 respectively at the two ends of the body 10 on an imaginary central axis L. The large diameter hole 11 is adjacent to the water outlet 14 . The small diameter hole 12 is adjacent to the water inlet 13 and the large and small diameter holes 11 and 12 are in communication with each other. In a possible embodiment, the fluid in the body 10 flows through the water inlet 13, the small diameter hole 12, the large diameter hole 11 and the water outlet 14 in sequence and is discharged outward. The body 10 further has an externally threaded section 15 that at least partially overlaps the small diameter hole 12 in the radial direction, and the externally threaded section 15 does not overlap the large diameter hole 11 in the radial direction, thus ensuring a larger outer thread section 15 The thickness and structural strength are better. In this embodiment, the body is a one-piece nozzle structure, and neither the rotor nor the leak stop assembly exceeds the two ends of the body in the axial direction.

In this embodiment, the body 10 further has a tapered space 16 and an accommodating space 17 on the central axis L. The tapered space 16 is connected between the large and small diameter holes 11 and 12, and the tapered space 16 is It is surrounded by an annular tapered surface 161 located inside the body 10; the accommodating space 17 is located between the large diameter hole 11 and the water outlet 14 for accommodating the outlet end cover 40. In addition, the body 10 further has an outer peripheral surface 18 at least partially overlapping the large diameter hole 11 in the radial direction and an outer inclined surface 19 between the outer peripheral surface 18 and the externally threaded portion 15, the outer diameter of the outer peripheral surface 18 being larger than An outer diameter of the outer threaded section 15 and a groove are formed between the outer peripheral surface 18 and the outer inclined surface 19 for receiving the gasket. Wherein, the outer inclined surface 19 and the annular tapered surface 161 correspond to each other on the inner and outer sides of the body, so that the body 10 also has a large thickness at the boundary between the large and small diameter holes 11 and 12, so that the structural strength is better. .

The rotor 20 and the leakage stop assembly 30 are all accommodated in the large diameter hole 11 , and the rotor 20 and the leakage stop assembly 30 are not axially beyond the two ends of the single-piece body 10 . In this embodiment, the body 10 is a single Piece nozzle structure. The rotor 20 functions to assist in atomizing the liquid ejected by the atomizing nozzle, and the rotor 20 has a large diameter portion 21 having a plurality of grooves 212 on the annular circumferential surface 211 of the large diameter portion 21, and the groove 212 is axially The ends of the annular circumferential surface 211 are connected so that a portion of the fluid can pass along both sides of the large diameter portion 21 along the groove 212. The leak stop assembly 30 allows the liquid in the atomizing nozzle to not produce an expected drip when the atomizing nozzle is not in use. In this embodiment, the leakage stop assembly 30 has a ball plunger unit 31 and an elastic member 32. The ball plunger unit 31 has a substantially spherical surface, a hemispherical surface or other suitable shape of the water stop surface. The elastic member 32 abuts against the rotor 20 and the ball. The elastic member 32 is provided between the plug units 31, and the elastic member 32 is provided to provide an elastic preload force for the ball plunger unit 31 to abut against the annular cone surface 161. As a design choice, the elastic member 32 can be a coil spring. Other types of elastic members have also been used in this creation. When the pressure applied to the ball plunger unit 31 by the liquid is slightly larger than the elastic preload force of the elastic member 32, the ball plunger unit 31 does not abut against the annular tapered surface 161, so that the large and small diameter holes 11, 12 communicate with each other. When the pressure applied by the liquid to the ball plunger unit 31 is not greater than the elastic preload force of the elastic member 32, the ball plunger unit 31 can be pushed against the elastic member 32, so that the water stop surface of the ball plunger unit 31 abuts against the annular cone surface 161, so that The large and small diameter holes 11 and 12 are temporarily disconnected.

The outlet end cover 40 is received in the accommodating space 17 of the body 10. In this embodiment, the inner diameter of the accommodating space 17 is larger than the large diameter hole 11, and the outlet end cover 40 has a water outlet hole overlapping the central axis L. 41, the fluid passes in the axial direction, the outlet end cover 40 can be used for the rotor 20 to abut, and the material of the outlet end cover 40 can be selected according to the desired physical properties or chemical properties.

As shown in FIG. 2, in a possible assembly manner, the ball plunger unit 31, the elastic member 32, the rotor 20, and the outlet end cover 40 can be sequentially placed into the large diameter hole 11 and the accommodating space 17 of the body 10, respectively. Then, the end of the water outlet 14 of the main body 10 is riveted by the riveting machine, so that the ball plunger unit 31, the elastic member 32, the rotor 20 and the outlet end cover 40 are not released, that is, the assembly work of the embodiment is completed.

Please refer to FIGS. 4 and 5, which is a second embodiment of the atomizing nozzle. The present embodiment is substantially similar to the first embodiment, and the difference between the two is in the rotor 20 of the second embodiment. The surface of the annular peripheral surface 211 of the large diameter portion 21 is smooth, and a groove 212 similar to that of the first embodiment is not formed.

Please refer to FIG. 6 , which is a third embodiment of the atomizing nozzle. The main difference between the embodiment and the first embodiment is that the top end of the body 10 is screwed to the threaded end cap 50 and the body is The outlet end cap 40, which is similar to the first embodiment, is not provided internally, and a gasket is additionally provided between the body and the threaded end cap 50. During assembly, the leakage stop assembly 30, the rotor 20 and the washer are sequentially mounted on the large diameter hole 11 and one end of the body 10, respectively, and then the threaded end cover 50 is screwed to the body 10 so that the rotor 20 can abut against the threaded end cover. The inner side of the 50, thereby completing the assembly of the atomizing nozzle. In this embodiment, the outer diameter of the large diameter portion 21 of the rotor 20 is slightly smaller than the inner diameter of the large diameter hole 11, that is, the annular circumferential surface 211 of the large diameter portion 21 can be preferably fitted to the large diameter hole 11 The wall of the hole is such that the rotor 20 is less likely to be deflected by the external force generated by the fluid flow, so that the spray mist and the flow rate of the atomizing nozzle are kept stable; wherein the annular circumferential surface 211 is also provided with the annular circumference connected in the axial direction. A groove 212 at both ends of the face 211 is provided for fluid to pass therethrough.

Please refer to FIG. 7 , which is a fourth embodiment of the atomizing nozzle. The present embodiment is substantially similar to the third embodiment. The main difference between the two is that the rotor 20 and the threaded end cap 50 are further disposed. There is an outlet end cover 40. The outlet end cover 40 also has a water outlet hole 41 overlapping the central axis L. One end of the rotor 20 abuts against the outlet end cover 40. The gasket is disposed on the body 10 and the outlet end cover 40 and the threaded end cover 50. Therefore, the fluid is not directly in contact with the threaded end cap 50, so the threaded end cap 50 and the outlet end cap 40 can be made of different materials depending on the requirements of physical properties and/or chemical properties.

In summary, the atomizing nozzle of the present invention not only accommodates the rotor and the leak stop assembly, but also has a large diameter hole that does not overlap the outer thread segment in the radial direction, thereby ensuring that the body has a sufficient thickness at the thread segment, that is, The invention has better structural strength, so that the body can be prevented from being twisted into two pieces due to stress during the screw locking process.

Finally, it should be noted that the present invention is exemplified by the above examples, but it is not limited thereto. Other structural replacements or retouchings that are not beyond the spirit of this creation should still belong to the scope of this creative intention.

10‧‧‧ Ontology
11‧‧‧ Large diameter hole
12‧‧‧ small diameter hole
13‧‧‧ Inlet
14‧‧‧Water outlet
15‧‧‧External thread section
16‧‧‧Cone space
161‧‧‧Circular cone
17‧‧‧ accommodating space
18‧‧‧ outer perimeter
19‧‧‧Outer bevel
20‧‧‧Rotor
21‧‧‧The Great Trails Department
211‧‧‧Circular surface
212‧‧‧ trench
30‧‧‧Stop leaking components
31‧‧‧Ball unit
32‧‧‧Flexible parts
40‧‧‧Export end caps
41‧‧‧Water outlet
50‧‧‧Threaded end caps
L‧‧‧ center axis

Fig. 1 is a perspective view showing a first embodiment of the present creation. Figure 2 is an exploded view of the first embodiment of the present creation, in which the lower half of the body is not depicted. Figure 3 is a longitudinal cross-sectional view of the first embodiment of the present invention in which the rotor and the leak stop assembly are not represented in cross section. Figure 4 is an exploded view of a second embodiment of the present invention in which the lower half of the body is not depicted. Figure 5 is a longitudinal cross-sectional view of a second embodiment of the present invention in which the rotor and the leak stop assembly are not represented in cross section. Figure 6 is a longitudinal cross-sectional view of a third embodiment of the present invention in which the rotor and the leak stop assembly are not shown in cross section. Figure 7 is a longitudinal cross-sectional view of a fourth embodiment of the present invention in which the rotor and the leak stop assembly are not shown in cross section.

10‧‧‧ Ontology

11‧‧‧ Large diameter hole

12‧‧‧ small diameter hole

13‧‧‧ Inlet

14‧‧‧Water outlet

15‧‧‧External thread section

16‧‧‧Cone space

161‧‧‧Circular cone

17‧‧‧ accommodating space

18‧‧‧ outer perimeter

19‧‧‧Outer bevel

20‧‧‧Rotor

21‧‧‧The Great Trails Department

211‧‧‧Circular surface

212‧‧‧ trench

30‧‧‧Stop leaking components

31‧‧‧Ball unit

32‧‧‧Flexible parts

40‧‧‧Export end caps

41‧‧‧Water outlet

L‧‧‧ center axis

Claims (11)

An atomizing nozzle having a better structural strength includes: a body having a large diameter hole, a small diameter hole, and a water outlet and a water inlet respectively at an opposite end of the body on an imaginary central axis, the large a diameter hole is adjacent to the water outlet, the small diameter hole is adjacent to the water inlet, and the large and small diameter holes are in communication with each other, and the body further has an external thread segment that at least partially overlaps the small diameter hole in a radial direction, The outer thread segment and the large diameter hole do not overlap in the radial direction; a rotor is received in the large diameter hole; and a leak stop assembly is received in the large diameter hole. An atomizing nozzle having a preferred structural strength according to claim 1, wherein the body has an outer peripheral surface that at least partially overlaps the large diameter hole in a radial direction, and an outer diameter of the outer peripheral surface is larger than an outer diameter of the outer threaded portion. . An atomizing nozzle having a preferred structural strength as claimed in claim 2, wherein the body further has an outer bevel between the outer peripheral surface and the outer threaded portion. An atomizing nozzle having a preferred structural strength according to claim 1, wherein the body further has a tapered space connected to the large and small diameter holes on the central axis, and the tapered space is formed by the body One of the annular cones is enclosed. An atomizing nozzle having a preferred structural strength according to claim 4, wherein the leakage stop group has a ball plug unit and an elastic member for providing a ball plunger unit against the ring The elastic preload of the cone. An atomizing nozzle having a preferred structural strength according to claim 3, wherein the body further has a tapered space connected to the large and small diameter holes on the central axis, and the tapered space is formed by the body An annular tapered surface is disposed, and the annular tapered surface and the outer inclined surface correspond to each other on inner and outer sides of the body. An atomizing nozzle having a preferred structural strength as claimed in claim 1, wherein the leak stopping assembly has a ball plunger unit and an elastic member that abuts between the rotor and the ball plunger unit. The atomizing nozzle having the better structural strength as claimed in claim 1 further includes an outlet end cover disposed at the water outlet of the body. An atomizing nozzle having a preferred structural strength according to claim 1, wherein the rotor has a large diameter portion having an outer diameter slightly smaller than an inner diameter of the large diameter hole, the large diameter portion having an annular circumferential surface and at least one The groove is axially connected to both ends of the annular circumferential surface. An atomizing nozzle having a preferred structural strength as claimed in claim 1, wherein the rotor has a large diameter portion having an outer diameter slightly smaller than an inner diameter of the large diameter hole, the large diameter portion having a smooth annular circumferential surface. The atomizing nozzle having a preferred structural strength according to any one of claims 1 to 10, wherein the body is a one-piece nozzle structure, and neither the rotor nor the leak stop assembly exceeds both ends of the body in the axial direction.