KR20230068145A - Improved Disinfection Ssteam Spray Gun - Google Patents

Abstract

The present invention relates to a steam spray gun, and more specifically to a steam spray gun for improved disinfection capable of controlling a mixing ratio of chemicals, and additionally, the present invention relates to a steam spray gun for improved disinfection that can control a mixing ratio of chemicals in response to the spray amount of steam.

Description

Improved Disinfection Ssteam Spray Gun}

The present invention relates to a steam spray gun, and more particularly, to an improved steam spray gun for quarantine that can control the mixing ratio of chemicals, and the present invention also relates to a steam spray gun that can control the mixing ratio of chemicals in response to the amount of steam sprayed It relates to an improved disinfection steam spray gun.

In general, a spray gun employs Bernoulli's theorem (principle) of spraying a chemical through pressure filled in a chemical container.

Referring to FIG. 1, FIG. 1 is a longitudinal cross-sectional view showing the main part of a conventional steam spray gun employing Bernoulli's theorem (principle). It includes a manual valve 110 connected to and physically operated (not shown), a trigger 103 (trigger) for opening and closing the valve 110, and a steam injection nozzle assembly 120.

In FIG. 1, reference numeral 101 is a body of a steam spray gun, 102 is a trigger guard, 103 is a trigger, 104 is a connection port for connecting a pneumatic hose, and 105 is a connection between the valve 110 and the connection port 104. is a connector

Since the trigger 103 described above is coupled to the pivot 106a in the body 101 of the gun, when the trigger 103 is pressed, the trigger 103 rotates around the pivot 106a, and interlocks with the valve 110. The cylinder rod 111 of ) is opened.

When the valve 110 described above is opened, the steam flowing into the valve 110 along the pneumatic hose is immediately discharged through the nozzle 126, and when the force applied to the trigger 103 is removed, the steam installed in the valve 110 As the trigger 103 is returned to its original position by a spring (not shown in the drawing), discharge of steam is blocked.

Therefore, the injection amount of steam can be adjusted by adjusting the opening and closing amount of the pipe of the valve 110 according to the force of pressing the trigger.

Referring to FIG. 2, FIG. 2 is a longitudinal cross-sectional view of main parts of the steam injection nozzle assembly 120 shown in FIG. 1, reference numeral 122 in FIG. Similarly, it can be configured to be divided into first and second nozzle bodies 122a and 122b. When the nozzle body 122 is divided and configured, it can be coupled in communication with each other using a connector.

As shown in FIG. 2, one side end of the aforementioned connector 124 is coupled to the inner diameter of the nozzle body 122a by a screw thread, and the other side end is coupled to the inner diameter of the second nozzle body 122b by a screw thread. are combined The aforementioned nozzle 126 is coupled to the inner diameter of the second nozzle body 122b by means of a screw thread.

The first nozzle body 122a accommodates the steam discharge pipe 121 connected to the outlet of the valve 110 and is coupled to the gun body 101 through a screw thread, and the divided one-side nozzle body 122b is provided at one side end. Equipped with a nozzle 136 coupled by a screw thread, the straw 11 of the lid portion 12 extending into the medicine container 10 is detachably coupled.

Therefore, when the conduit (not shown in the drawing) of the valve 110 is opened, steam is discharged along the steam discharge pipe 121, the nozzle body 122, and the nozzle 126. At this time, the steam generated in the mixing pipe 122b The medicine in the medicine container 10 is introduced into the mixing tube 122b along the straw 11 by negative pressure and then sprayed through the nozzle 126 together with steam.

The steam spray gun 100 employing the above-described technology is disclosed in Korean Utility Model Publication No. 20-2012-0007052 and Korean Utility Model Publication No. 20-1997-0008256.

On the other hand, recently, a drug disinfection device using steam has been actively researched in relation to quarantine equipment for the Corona 19 virus, but most of the steam spray guns 100, which mix drugs and steam using Bernoulli's principle, spray from the nozzle 126 There is a clear problem that it is difficult to control the mixing ratio of the chemicals more precisely.

The present inventors have come up with an invention to solve the above-mentioned problems, and there are remarkable achievements, which are proposed through the present invention.

An object of the present invention is to provide an improved steam spray gun for disinfection capable of adjusting the mixing ratio of chemicals.

An object of the present invention is to provide an improved steam spray gun for quarantine that can control the mixing ratio of chemicals in response to the spray amount of steam.

As shown in FIGS. 3 and 4, the improved steam spray gun 100 for disinfection according to the first embodiment includes a valve 110 in communication with the steam tank in the body 101 of the steam spray gun,

A trigger 103 coupled to a pivot 106a to the body 101 of the steam spray gun so as to interlock with the cylinder rod 111 of the valve 110;

The nozzle body 132 spirally coupled to the body 101 of the steam spray gun, to which the medicine straw 11 is detachably coupled, and the steam discharge pipe 131 coupled in communication with the outlet of the valve 110 communicate with each other Doedoe, a sleeve 137 having a nozzle 136 at an end and coupled to the steam discharge pipe 131 at a predetermined interval in the nozzle body;

It is characterized in that it consists of a chemical amount adjusting nut 135 coupled to the end of the nozzle body 132 through a screw thread to adjust the distance from the nozzle 136.

4 shows that the nozzle body 132 is divided into first and second nozzle bodies 132a and 132b, and the chemical amount adjusting nut 135 is attached to the second nozzle body 132b. Although shown as coupled, it may be coupled to the end of the integral nozzle body 132.

When the nozzle body 132 is divided, the length of the nozzle body 132 can be extended by connecting the first and second nozzle bodies 132a and 132b in communication through the connector 124. And, it may be covered with a heat insulating material (not shown in the drawing) on the outside.

As shown in FIGS. 6 to 8 , the improved steam spray gun for disinfection according to the second embodiment includes a valve 110 coupled to the body 101 of the steam spray gun and communicating with the steam tank;

a trigger 103 coupled to the body 101 of the steam spray gun to be pivoted 106a and interlocked with the cylinder rod 111 of the valve 110 to open and close the valve 110;

A nozzle body 132 that is spirally coupled to the body 101 of the steam spray gun, to which the medicine straw 11 is detachably coupled, and coupled in communication with the outlet of the valve 110 and a nozzle 126 at the end A space 138c spaced apart from the steam discharge pipe 131 by a step 138b in a portion of the inner diameter where the chemical amount control nut 135 is coupled to the end and accommodated through the steam discharge pipe 131 to be coupled. A slide pipe body 138 having a slide coupling in the nozzle body 132a;

a pivoting member 108 coupled to the body 101 of the steam spray gun so as to interlock with the trigger and pressurizing the rear end of the slide body 138;

It is characterized in that it is composed of a spring 107 coupled between the nozzle body 132 and the slide body 138 so that the slide body 138 is returned to the rotation member 108.

The improved steam spray gun for disinfection according to the first embodiment of the present invention can adjust the mixing ratio of chemicals by adjusting the fastening depth of the chemical amount control nut 135.

In the improved steam spray gun for disinfection according to the second embodiment of the present invention, the spray pressure of steam is varied in response to the force applied to the trigger, and the mixture ratio of chemicals can be controlled to be automatically varied by the steam.

Therefore, when the injection amount of steam increases, the mixing amount of chemicals also increases, and conversely, when the injection amount of steam decreases, the mixing amount of chemicals also decreases.

1 is a longitudinal cross-sectional view showing a main part of a conventional steam spray gun.
FIG. 2 is a longitudinal cross-sectional view of main parts of the steam injection nozzle assembly shown in FIG. 1 .
FIG. 3 is a view similar to FIG. 1, and is a longitudinal sectional view showing a first embodiment of an improved steam spray gun for disinfection according to the present invention.
4 and 5 are disassembly cross-sectional views and longitudinal cross-sectional views showing the coupled state of the steam injection nozzle assembly shown in FIG.
FIG. 6 is a view similar to FIG. 3 and is a longitudinal sectional view showing a second embodiment of an improved steam spray gun for disinfection according to the present invention.
7 is an enlarged view of part A of FIG. 6 .
8 is a longitudinal cross-sectional view showing essential parts of a steam injection nozzle assembly according to a second embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, embodiments of the present invention will be described in detail so that those skilled in the art can easily carry out the present invention.

However, since the description of the present invention described in the detailed description is only an embodiment for structural or functional description, the scope of the present invention excludes a limited interpretation by the embodiment described in the text.

For example, since the embodiments can be modified and implemented in various forms, it should be understood that the scope of the present invention includes equivalents capable of realizing the technical idea.

In addition, since the object or effect presented in the present invention does not mean that a specific embodiment should include all of them or only such effects, the scope of the present invention should not be construed as being limited thereto.

In this specification, this embodiment is provided to complete the disclosure of the present invention and to completely inform those skilled in the art of the scope of the invention to which the present invention belongs. And the invention is only defined by the scope of the claims.

Thus, in some embodiments, well-known components, well-known operations and well-known techniques have not been described in detail in order to avoid obscuring the interpretation of the present invention.

On the other hand, the meaning of the terms described in the present invention is not limited to the dictionary meaning, and should be understood as follows.

It should be understood that when an element is referred to as being “connected” to another element, it may be directly connected to the other element, but other elements may exist in the middle. On the other hand, when an element is referred to as being “directly connected” to another element, it should be understood that no intervening elements exist. Meanwhile, other expressions describing the relationship between components, such as “between” and “immediately between” or “adjacent to” and “directly adjacent to” should be interpreted similarly.

Singular expressions should be understood to include plural expressions unless the context clearly dictates otherwise, and terms such as “comprise” or “having” refer to a described feature, number, step, operation, component, part, or It should be understood that it is intended to indicate that a combination exists, and does not preclude the possibility of the presence or addition of one or more other features, numbers, steps, operations, components, parts, or combinations thereof.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs, unless defined otherwise.

In general, the terms defined in the dictionary used should be interpreted as being consistent with the meaning in the context of the related art, and cannot be interpreted as having an ideal or excessively formal meaning unless explicitly defined in the present invention.

[First Embodiment]

Hereinafter, in order to explain the prior art, the same reference numerals are used for the components of the main parts of the accompanying drawings in relation to the present invention, and the description thereof will be omitted.

Referring to FIGS. 3 to 5, FIG. 3 is a view similar to FIG. 1, which is a longitudinal sectional view showing a first embodiment of an improved steam spray gun for quarantine according to the present invention, and FIGS. 4 and 5 are in FIG. It is a cross-sectional view of disassembled main parts and a longitudinal cross-sectional view showing a coupled state of the steam injection nozzle assembly shown.

As described with reference to FIG. 1 in relation to the prior art, the improved steam spray gun 200 for quarantine according to the present invention includes a manually operated valve 110 that is physically operated, and a trigger for opening and closing the valve 110. (103) and a steam injection nozzle assembly (130).

Since the aforementioned valve 110 and trigger 103 are the same as those of the prior art, a detailed description thereof will be omitted.

However, the structural difference between the steam injection nozzle assembly 130 and the prior art shown in FIG. 1 is that the nozzle 136 is coupled to one end and screwed to the inside of the second nozzle body 133b at regular intervals. There is a difference in that the sleeve 137 is further provided, and the chemical mixing amount adjusting nut 136 for adjusting the depth of the spiral fastening coupled to the end of the second nozzle body 133b is further included.

More specifically, the sleeve 137 described above is coupled in communication with the steam discharge pipe 131 even when the connector 124 is coupled between the first nozzle body 133a and the second nozzle body 133b.

In addition, the first nozzle body 133a and the second nozzle body 133b are divided into two as shown in FIG. 4 and configured to be coupled to communicate with each other through the connector 124, or the nozzle body in an integrated form omitting the connector ( 132) can be configured.

Therefore, while the steam discharged along the steam discharge pipe 131 is discharged through the sleeve 137 and the nozzle 136, negative pressure is generated between the second nozzle body 133b and the sleeve 137, and the negative pressure As a result, the medicine in the medicine container 10 flows between the second nozzle body 133b and the sleeve 137 through the straw 11 coupled to the second nozzle body 133b.

When the combined chemical mixing amount adjusting nut 136 is fastened (screwed) to move in the direction of the end face 136a of the nozzle 136, the outlet 136c of the adjusting nut 136 and the end face 136a of the nozzle 136 ) becomes narrower.

Therefore, as the above-described negative pressure gradually decreases, the amount of the chemical introduced between the second nozzle body 133b and the sleeve 137 decreases.

In FIG. 4 , reference numeral 131a is a spacer for fixing a distance between the inner diameter of the nozzle body 132a and the steam discharge pipe 131 .

[Second Embodiment]

Referring to Figures 6 to 8, Figure 6 is a view similar to Figure 3, a longitudinal cross-sectional view showing a second embodiment of the improved steam spray gun for quarantine according to the present invention, Figure 7 is an enlarged portion A of Figure 6 FIG. 8 is a longitudinal sectional view showing main parts of a steam spray nozzle assembly according to a second embodiment of the present invention.

As described with reference to FIG. 1 in relation to the prior art, the improved steam spray gun 200 for quarantine according to the present invention includes a manually operated valve 110 that is physically operated, and a trigger for opening and closing the valve 110. (103) and a steam injection nozzle assembly (130).

Since the valve 110 described above is the same as the conventional configuration, a detailed description thereof will be omitted.

As shown in FIG. 7 , the trigger 103 further includes a rotating member 108 interlocked with rotation of the trigger 103 . So, the pivot member 108 is rotated around the pivot 106b in conjunction with the trigger 103 to push the slide body 138 to be described later.

The above-described rotation member 108 has a relatively long leg (reference number not indicated) and a leg 109 that is shorter than the long leg. At the end of the leg 109, a roller 109a is coupled there is. In FIG. 6 , reference numeral 106b denotes a pivot of the pivot member 108 .

The steam injection nozzle assembly 130 includes a nozzle body 132, a steam discharge pipe 131, and a slide pipe body 138.

The nozzle body 132 described above is coupled to the body 101 of the steam spray gun by screwing. As described above, after dividing the nozzle body 132 into the first and second nozzle bodies 132a and 132b, They can be coupled so as to communicate with each other using connectors (reference numerals not indicated). This allows the coupling of the nozzle 136 to be positioned farther from the body 101 of the gun.

A nozzle 136 is coupled to one end of the steam discharge pipe 131, and the other end is connected to the outlet side of the valve 110 connected to the steam tank. So, when the valve 110 is opened, steam is sprayed through the nozzle 136.

The aforementioned slide pipe body 138 is coupled to its inner diameter so that the aforementioned steam discharge pipe 131 passes therethrough, and is provided between the steam discharge pipe 131 and the slide pipe body by a step 138b (FIG. 8) provided in a portion of the inner diameter. A predetermined space 138c is provided, and a chemical amount adjusting nut 135 is coupled to one end through a screw thread (reference number not indicated).

In addition, one end of the above-described slide tube body 138 is coupled to the inner diameter of the nozzle body so as to protrude toward the gun body 101, and a spring 107 elastically acting toward the gun body 101 is coupled to the protruding end. has been

One end of the spring 107 is located at the end of the nozzle body 132, and the other end is located at the engaging jaw 138a of the slide body 138 (Figs. 7 and 8).

Therefore, since the above-described slide body 138 has elasticity toward the body 101 of the gun by the spring 107, it is always in elastic contact with the roller 109a of the rotation member 108 described above.

On the other hand, as shown in FIG. 8, in the nozzle body 132 described above, a partial section is cut in the form of a long hole 134, and a straw passes through the cut long hole 134 to communicate with the space 138c ( 11) are combined.

Thus, the straw 11 slides along with the slide pipe body 138 inside the nozzle body 132.

In the improved steam spray gun for disinfection according to the second embodiment configured as described above, when the trigger 103 is pressed, the valve 110 opens and steam is discharged along the steam discharge pipe 131, and at the same time interlocks with the trigger 103 As the rotation member 108 rotates in the direction of the arrow shown in FIG. 8 , the roller 109a presses the slide body 138 while overcoming the elasticity of the spring 107 .

Therefore, the aforementioned slide tube body 138 slides in the nozzle body 132, and as a result, the chemical amount control nut 135 is spaced apart from the inclined surface 136a of the nozzle 136.

In this case, negative pressure is generated between the nozzle body 132 and the steam discharge pipe 131 by the injection pressure of steam, and the negative pressure causes the chemical to flow through the straw 11, and the chemical amount control nut 135 along with the steam It is injected through the hole (135a) of the.

Conversely, when the force applied to the trigger 103 is removed, the trigger 103 is returned to its original position by both the elasticity of the spring (not shown in the drawing) and the above-mentioned spring 107 built in the valve 110 and simultaneously adjusts the chemical amount The hole 135a of the nut 135 and the nozzle 136 and the valve 110 are closed.

As described above, the steam injection gun 200 according to the second embodiment can control the discharge amount of chemicals in response to the injection amount of steam.

As described above, preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but those skilled in the art to which the present invention belongs can implement various applications or modifications based on the present invention. Although there is, such applications or modifications should be construed as being included in the true meaning of the technical spirit and claims intended by the present inventors.

10: medicine container 11: medicine straw
101: gun body 103: trigger
106a, 106b: pivot 110: valve
111: cylinder rod 131: steam discharge pipe
132: nozzle body
132a, 132b: first and second nozzle body 134: long hole
135: chemical amount adjustment nut 136: nozzle
137: sleeve 138: slide pipe body
138b: step 138c: space
200: steam injection gun

Claims (3)

A valve 110 connected to the steam tank in the body 101 of the steam spray gun,
A trigger 103 coupled to a pivot 106a to the body 101 of the steam spray gun so as to interlock with the cylinder rod 111 of the valve 110;
It is spirally coupled to the body 101 of the steam spray gun and communicates with the nozzle body to which the medicine straw 11 is detachably coupled and the steam discharge pipe 131 coupled in communication with the outlet of the valve 110, the end A sleeve 137 having a nozzle 136 and coupled to the steam discharge pipe 131 at a predetermined interval in the nozzle body;
An improved quarantine steam spray gun, characterized in that composed of a chemical amount adjusting nut 135 coupled to the end of the nozzle body through a screw thread to adjust the distance from the nozzle 136.
According to claim 1,
The nozzle body is an improved steam spray gun for disinfection, characterized in that a socket is coupled between both nozzle bodies so that the two nozzle bodies (132a) (132b) are in communication with each other.
A valve 110 coupled to the body 101 of the steam spray gun and communicating with the steam tank;
a trigger 103 coupled to the body 101 of the steam spray gun to be pivoted 106a and interlocked with the cylinder rod 111 of the valve 110 to open and close the valve 110;
A nozzle body 132 spirally coupled to the body 101 of the steam spray gun, to which the medicine straw 11 is detachably coupled, coupled in communication with the outlet of the valve 110, and a nozzle 126 at the end A space 138c spaced apart from the steam discharge pipe 131 by a step 138b in a portion of the inner diameter where the chemical amount control nut 135 is coupled to the end and accommodated through the steam discharge pipe 131 to be coupled. A slide pipe body 138 having a slide coupling in the nozzle body 132a;
a pivoting member 108 coupled to the body 101 of the steam spray gun so as to interlock with the trigger and pressurizing the rear end of the slide body 138;
An improved quarantine steam spray gun, characterized in that composed of a spring 107 coupled between the nozzle body 132 and the slide body 138 so that the slide body 138 is returned to the rotation member.

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