JP3638580B2 - Fluid acceleration stabilizer - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a fluid speed increasing and stabilizing device capable of jetting a fluid several times faster and stabilizing the fluid jet speed.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, as a fluid speed increasing device, for example, an underwater nozzle for increasing efficiency and efficiency is known in an underwater cleaning operation.
As the above known technique, there is Japanese Utility Model Publication No. 57-76778. As shown in FIG. 7 , the nozzle 6 'which should eject high pressure liquid in water is surrounded and opened in the direction of ejection of the liquid from the nozzle 6'. An air pipe 12 ′ communicating with the atmosphere is connected to the diffuser 10 ′, and air is sucked into the diffuser 10 ′ through the air pipe 12 ′ by the generation of negative pressure due to the jet of liquid from the nozzle 6 ′. The underwater nozzle is configured to eject liquid into the water together with the bubbles.
However, in the underwater nozzle, the positional relationship between the nozzle 6 ′ and the diffuser 10 ′ is fixed, the nozzle 6 ′ cannot be moved back and forth in the axial direction, and the nozzle 6 ′ cannot be replaced. .
For this reason, the speed of the ejected fluid cannot be adjusted, and the nozzle can not be freely replaced according to various applications.
[0003]
[Problems to be solved by the invention]
Accordingly, an object of the present invention is to provide a fluid acceleration stabilizing device capable of adjusting the speed of ejected fluid by moving the nozzle back and forth in the axial direction and capable of exchanging the nozzle according to various applications. .
[0004]
[Means for Solving the Problems]
Pistol fluid speed increasing stabilizer of the present invention, which is screwed into the nozzle body with the nozzle beak a cylindrical nozzle outer cylinder and the nozzle outer cylinder interior space, a nozzle screw tube formed integrally with the nozzle beak In the fluid speed increasing and stabilizing device composed of the type injection device,
The nozzle body has a nozzle hole perforated openings in the tip, Ri Na is 2 minutes and the nozzle chamber of the large-diameter hollow from the nozzle holes through the diffuser of the inclined surface to the rear end of the nozzle hole, the nozzle the indoor unit, and the inclined surface so that the tip profile is the diffuser and the same shape, the nozzle beak is arranged having an orifice in the tip, Roh nozzle threaded tube formed integrally with the nozzle beak outside the nozzle is through the central hole of the lid for closing the rear end of the barrel, wherein the nozzle threaded tube, through hole passing through in central co the male screw on the outer peripheral surface is formed is formed, one of the through holes Communicates with the orifice of the nozzle rod, the other of the through holes protrudes from the lid and communicates with the injection port of the pistol type injection device, and the nozzle rod extends on the same axis in the nozzle chamber space. Formed to move toward the nozzle hole Is, the lid together with the rear end of the nozzle outer cylinder is screwed into the nozzle chamber of the nozzle outer cylinder is closed, the female screw nozzle threaded pipe is screwed into the central hole of the lid In order to fix the nozzle screw tube to the lid, a stopper for screwing and fixing the nozzle screw from the outside of the lid is provided, and an appropriate number of air inlets are formed on the peripheral surface of the lid. Thus, the nozzle chamber communicates with the outside air .
[0005]
【Example】
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
As shown in FIG. 1, the fluid speed increasing and stabilizing device of the present invention is configured to screw a nozzle body 3 having a nozzle rod 2 inside a nozzle outer cylinder 1 and a nozzle screw tube 4 formed integrally with the nozzle rod 2. It consists of a pistol type injection device 5 to be connected together.
The nozzle screw tube 4 formed integrally with the nozzle rod 2 includes a case where it is formed by integral molding and a case where it is formed separately and then joined.
As shown in FIG. 2, the nozzle outer cylinder 1 is made of a hollow cylinder made of metal or reinforced plastic, and has a nozzle hole 6 that opens at the tip and a conical inclined surface, that is, a diffuser 7, through the nozzle hole. The nozzle chamber 8 is divided into two parts having a diameter larger than six.
Inside the nozzle chamber 8, the nozzle ridge 2 having an inclined outer surface having the same shape as the diffuser 7 and having an orifice (outlet) 9 in the tip is disposed, and toward the nozzle hole 6. The nozzle rod 2 is arranged so as to be movable on the same axis in the nozzle chamber 8 space.
That is, the nozzle screw tube 4 formed integrally with the nozzle rod 2 is threaded through the center hole 11 of the lid 10 that closes the rear end of the nozzle outer cylinder 1, and the nozzle screw tube 4 rotates to rotate the nozzle screw tube 4. The nozzle rod 2 can be moved closer to or away from the diffuser 7.
A male screw is formed on the outer peripheral surface of the nozzle screw tube 4 and a through hole 12 penetrating the center is formed. One of the through holes 12 communicates with the orifice 9 of the nozzle rod 2. As shown in FIG. 1, the other of the through holes 12 communicates with the injection port 13 of the pistol type injection device 5.
The lid body 10 is screwed onto the outside of the nozzle chamber 8 of the nozzle outer cylinder 1 to close the end of the nozzle outer cylinder 1, and the nozzle screw tube 4 is inserted into the central hole 11 of the lid body 10. A female screw to be screwed is formed, a stopper 14 is screwed to fix the nozzle screw tube 4 to the lid body 10, and a sealing member such as a rubber packing is provided between the lid body 10 and the stopper 14. The nozzle screw tube 4 is screwed and fixed from the outside of the lid body 10 with being sandwiched.
Further, an appropriate number of air inlets 15 are formed on the peripheral side surface of the lid body 10, and the nozzle chamber 8 communicates with the outside air.
[0006]
As shown in FIG. 1, the pistol-type injection device 5 holds the pistol-type injection device 5 by holding the injection port 13 formed with a female screw for screwing the nozzle screw tube 4 of the nozzle body 3. A grip 16, an operating lever 17 for opening and closing a valve body (not shown) built in the grip 16, and a connection port 18 connected to a fluid supply source (not shown) below the grip 16. The pressure fluid is supplied from the pipe connected to the connection port 18, and the valve body (not shown) inside the grip portion 16 is opened by the operation of the operation lever 17, and the pressure fluid is supplied to the injection port 13. Supply.
[0007]
As another embodiment of the nozzle body 3 of the present invention, as shown in FIG. 3, the nozzle outer cylinder 1 is formed in a T-shape, and an inflow hole 19 communicating with the nozzle chamber 8 is formed in a cylindrical body extending downward. The lower end is closed by a plug body 20 screwed into a female screw provided at the lower end of the inflow hole 19.
Other structures are formed in the same manner as the nozzle body 3 shown in FIG.
As shown in FIG. 4, the nozzle screw tube 4 of the nozzle body 3 can be used by being screwed to the injection port 13 of the pistol type injection device 5.
[0008]
Below, the operation method of the fluid speed-up stabilization apparatus of this invention is demonstrated based on drawing.
In the nozzle body 3 shown in FIG. 2 or 3, the nozzle screw tube 4 screwed into the central hole 11 of the lid body 10 closing the nozzle outer cylinder 1 is rotated clockwise or counterclockwise.
The distance interval between the diffuser 7 and the nozzle rod 2 is adjusted by the right rotation or the left rotation, and the effect of increasing the pressure fluid changes by adjusting the distance interval.
Further, the nozzle rod 2 (including the nozzle screw tube 4) can be replaced according to the application, and the lid body 10 can also be replaced accordingly.
When finished adjusting the distance, the nozzle screw tube 4 is fixed with the stopper 14, further the nozzle screw tube 4 is screwed into the injection port 13 of pistol injector 5, FIG. 1 or FIG. 4, as shown in FIG. 5 Preparation of the nozzle body 3 is completed.
In FIG. 5, the nozzle body 3 in FIG. 1 is represented by a solid line, the nozzle body 3 in FIG. 4 is represented by a one-dot chain line, and a state in which the nozzle rod 2 is closest to the diffuser 7 is illustrated.
When the operating lever 17 of the pistol type injection device 5 is pulled, a valve body (not shown) linked to the operating lever 17 is opened, and the connection port 18 connected to a fluid supply source (not shown), the valve body A pressure fluid is ejected from the ejection port 13 through (not shown).
[0009]
The pressure fluid is ejected from the ejection port 13 through the through hole 12 of the nozzle screw tube 4 toward the nozzle hole 6 from the orifice (exit) 9 of the nozzle rod 2.
By this injection, air in the nozzle chamber 8 surrounding the nozzle rod 2 and the nozzle screw tube 4 is attracted, and the air in the nozzle chamber 8 is injected into the outside air together with the pressure fluid so as to surround the pressure fluid in the nozzle hole 6. At the same time, since a negative pressure is generated in the nozzle chamber 8, outside air is introduced from the air inlet 15 of the lid 10.
Although the adjustment of the distance between the diffuser 7 and the nozzle rod 2 is manually performed, the distance between the diffuser 7 and the nozzle rod 2 can be automatically moved back and forth to automatically change the pressure fluid acceleration effect. Is possible.
With this configuration, even if there is a pressure change in the pressure fluid source, the distance between the diffuser 7 and the nozzle 嘴 2 is adjusted by moving the nozzle 嘴 2 back and forth, and the fluid is ejected at a constant pressure. be able to.
As these applications, it can be used for air nozzles for cleaning and medical purposes.
[0010]
Furthermore, the fluid acceleration stabilizing device of the present invention can also be used as the conventional fluid ejecting apparatus shown in FIG. 6 by replacing the lid 10 of another embodiment of FIG.
As shown in FIG. 6, the fluid connection port 21 is connected instead of the plug body 20 of the inflow hole 19 shown in FIG. 4, and the lid body 10 not provided with the intake port 15 is closed in the nozzle outer cylinder 1.
When the pressurized fluid is ejected from the nozzle rod 2 in the same manner as described above, a negative pressure is generated in the nozzle chamber 8, and the fluid is sucked from the fluid connection port 21 of the inflow hole 19 communicating with the nozzle chamber 8. The fluid is mixed with the pressure fluid in the hole 6 and injected together into the outside air.
As these uses, it can utilize for a fire extinguishing nozzle and various fluid mixers.
[0011]
【effect】
As described above, according to the fluid speed increasing and stabilizing device of the present invention, the nozzle 嘴 cannot be replaced with the prior art. However, the nozzle 嘴 can be freely replaced according to each application, and the energy saving type. The diameter of the size to obtain the expected effect can be freely set, and the expected effect can be set freely for the speed increasing effect to obtain the jet fluid.
When holding a pistol type injection device in a hand, pressure fluid can be taken in from the lower part of the conventional pistol type, and in that case, various fluids can also be taken in, respectively.
The nozzle body of the fluid acceleration stabilizing device of the present invention can be attached to the tip nozzle replacement port of the conventional product, and in that case, the fluid acceleration effect does not change.
[Brief description of the drawings]
FIG. 1 is a partial cross-sectional front view of a fluid speed increasing and stabilizing device of the present invention.
FIG. 2 is a longitudinal sectional view of a nozzle body of the present invention.
FIG. 3 is a longitudinal sectional view of another embodiment of the nozzle body of the present invention.
FIG. 4 is a partial cross-sectional front view of another embodiment of the fluid speed increasing and stabilizing device of the present invention.
FIG. 5 is a partial cross-sectional front view of the fluid acceleration stabilizing device of the present invention in use.
6 is a partially sectional front view of the fluid speed increasing stabilizer utilized in the conventional fluid ejection device of the present invention.
FIG. 7 is a partial cross-sectional side view of a conventional underwater nozzle.

Claims (1)

A nozzle body having a nozzle beak a cylindrical nozzle outer cylinder and the nozzle outer cylinder interior space, a fluid speed increasing consisting of pistol injector that screwing nozzle threaded tube formed integrally with the nozzle beak stable In the device
The nozzle body has a nozzle hole perforated openings in the tip, Ri Na is 2 minutes and the nozzle chamber of the large-diameter hollow from the nozzle holes through the diffuser of the inclined surface to the rear end of the nozzle hole, the nozzle the indoor unit, and the inclined surface so that the tip profile is the diffuser and the same shape, the nozzle beak is arranged having an orifice in the tip, Roh nozzle threaded tube formed integrally with the nozzle beak outside the nozzle is through the central hole of the lid for closing the rear end of the barrel, wherein the nozzle threaded tube, through hole passing through in central co the male screw on the outer peripheral surface is formed is formed, one of the through holes Communicates with the orifice of the nozzle rod, the other of the through holes protrudes from the lid and communicates with the injection port of the pistol type injection device, and the nozzle rod extends on the same axis in the nozzle chamber space. Formed to move toward the nozzle hole Is, the lid together with the rear end of the nozzle outer cylinder is screwed into the nozzle chamber of the nozzle outer cylinder is closed, the female screw nozzle threaded pipe is screwed into the central hole of the lid In order to fix the nozzle screw tube to the lid, a stopper for screwing and fixing the nozzle screw from the outside of the lid is provided, and an appropriate number of air inlets are formed on the peripheral surface of the lid. And the nozzle chamber and the outside air communicate with each other.

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