KR200154630Y1 - Valve of spray - Google Patents

Valve of spray Download PDF

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Publication number
KR200154630Y1
KR200154630Y1 KR2019970003917U KR19970003917U KR200154630Y1 KR 200154630 Y1 KR200154630 Y1 KR 200154630Y1 KR 2019970003917 U KR2019970003917 U KR 2019970003917U KR 19970003917 U KR19970003917 U KR 19970003917U KR 200154630 Y1 KR200154630 Y1 KR 200154630Y1
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KR
South Korea
Prior art keywords
pressure regulator
pressure
ball valve
ceramic ball
nebulizer
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KR2019970003917U
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Korean (ko)
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KR19980059922U (en
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최상준
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최상준
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Priority to KR2019970003917U priority Critical patent/KR200154630Y1/en
Publication of KR19980059922U publication Critical patent/KR19980059922U/en
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Publication of KR200154630Y1 publication Critical patent/KR200154630Y1/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/06Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with special arrangements for adjusting the opening pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
  • Catching Or Destruction (AREA)

Abstract

1. 청구범위에 기재된 고안이 속한 기술분야.1. The technical field to which the invention described in the claims belongs.

동력분무기의 일축에 설치되는 분무기용 압력조절기의 개량조압변에 관한 분야.Field for improved pressure control of the pressure regulator for the nebulizer installed on one axis of the power sprayer.

2. 고안이 해결하고자 하는 기술적과제.2. The technical problem that the design seeks to solve.

종래에는 분무기용 압력조절 조절기의 조압변몸체 내부가 커다란 통공부 형태로 형성되어 있어서 작동체의 끝단에 달려있는 세라믹볼밸브가 허공에 매달린 형상으로 승·하강 작동을 하였던바, 이로써 강한 분무압등에 의해 세라믹볼밸브가 심하게 진동되고 소음 또한 엄청났기에 본고안에서는 이를 해결하고자 한것임.Conventionally, the inside of the pressure regulator body of the pressure adjusting regulator for the nebulizer is formed in the shape of a large through-hole so that the ceramic ball valve attached to the end of the actuator has been moved up and down in the form of being suspended in the air. The ceramic ball valve vibrated violently and the noise was tremendous, so this paper intends to solve it.

3. 고안의 해결방법의 요지.3. Summary of the solution of the design.

분무기용 압력조절기(1)의 일측에 설치되는 조압변몸체(2)를 형성함에 있어 조압변몸체(2)내부에 다수개의 고정편(3)(3')(3'')을 형성함으로써 작동체(9)에 의해 승·하강 작용을 하는 세라믹볼밸브(4)의 승·하강 작동시 고정편(3)(3')(3'')의 안내유도 역할을 할수 있게 함을 그 요지로 함.In forming the pressure regulator body 2 installed on one side of the pressure regulator 1 for the nebulizer, it is operated by forming a plurality of fixing pieces 3, 3 ′, 3 ″ inside the pressure regulator body 2. The gist of the ceramic ball valve 4, which acts to move up and down by the sieve 9, can act as a guide guide for the fixing pieces 3, 3 'and 3' 'during the operation of raising and lowering. box.

4. 고안의 중요한 용도4. Important uses of the devise

분무기용 압력조절기에 설치·사용됨.Installed and used on the pressure regulator for the sprayer.

Description

분무기용 압력조절기의 개량조압변Improved pressure regulation of pressure regulator for nebulizer

본고안은 분무기용 압력조절기에 장착되어 사용되어지는 개량조압변에 관한 것으로, 특히 여수로를 개폐하고 있는 세라믹볼밸브의 심한진동 및 이로인한 소음등을 방지하기 위해 조압변몸체내에 다수개의 고정편을 형성함으로써 진동 및 소음방지는 물론, 분무기용 압력조절기의 수명 또한 상당히 연장될수 있게끔 한것에 관한 것이다.This paper relates to the improved pressure regulator used in the pressure regulator for the atomizer. In particular, to prevent severe vibration and noise caused by the ceramic ball valve opening and closing the channel, By forming it, it is possible to prevent vibration and noise, as well as to significantly extend the life of the pressure regulator for the nebulizer.

종래의 분무기용 압력조절기(1')에 장설되어 있는 조압변을 살펴보면, 제5도에 도시되어 있는 바와같이 조절나봉(102)이 나사결합된 측관(100)에 여수로(104)가 형성된 조압변몸체(106)를 볼트(108)로 고정설치하고 측관(100)내에 스프링(110)과 작동체(112)를 차례로 끼워 설치한후 작동체(112)를 측관(100) 외측에 설치된 수동레바(114)와 촉핀(116)으로 연결하고 작동체(112) 끝단에는 원형체로 된 세라믹볼밸브(122)를 강제로 억지끼음하여 고착시킨 뒤 조압변몸체(106) 내부에서부터 상기 작동체(112)가 측관(100)에 이르기까지 쪽이어져 내려오도록 형성하며 조압변몸체(106)의 저면부에는 고정용밸브(124)를 끼워 설치한후 세라믹볼밸브(122)의 하면과 고정용밸브(124)의 상면이 서로 맞닿뜨리게끔 형성한 구조로 되어 있다.Looking at the pressure regulator installed in the conventional pressure regulator (1 ') for the nebulizer, as shown in Figure 5, the jaw channel 104 is formed in the side pipe 100, the control rods 102 are screwed as shown in FIG. After fixing the tack body 106 with the bolt 108 and inserting the spring 110 and the actuator 112 into the side pipe 100 in order, the actuator 112 is installed on the outside of the side pipe 100 by a manual lever. Connected to the 114 and the chuck pin 116 and fixed to the end of the actuator 112 by forcibly clamping the ceramic ball valve 122 of a circular body from the pressure regulator body 106 from the inside of the actuator 112 Is formed so as to come down to the side pipe 100, and the fixing valve 124 is inserted into the bottom portion of the pressure adjusting body 106, and then the bottom and fixing valve 124 of the ceramic ball valve 122 The upper surface of the structure is formed to be in contact with each other.

그런데 이와같이 구성된 종래의 분무기용 압력조절기(1')는 사용중 분무압이 높아져 분무압에 의해 세라믹볼밸브(122)가 작동체(112)를 위로 밀어내게 되면 여수로(104) 및 배수관(126)으로 분무압이 빠져나가게 되고 이어 조압변몸체(106)내에 형성된 여수로(104) 및 배수관(126)을 통하여 분무액 또한 외부로 빠져나가게 되는데 이때 ㄱ자형태로 회류하는 분무액등의 힘에 의해 세라믹볼밸브(122)가 위로 밀려났다가 다시 스프링(110)에 의해 아래로 다시 밀려내려오는 과정 즉 상·하작동을 빈번히 하는 과정에서 빚어지는 폐단이 여간 심각한 것이 아닌 것이다.However, the conventional pressure regulator 1 'for the sprayer configured as described above increases the spraying pressure during use, and when the ceramic ball valve 122 pushes the actuator 112 upward by the spraying pressure, the free passage 104 and the drain pipe 126. Then, the spray pressure is discharged, and then the spray liquid is also discharged to the outside through the waterway 104 and the drain pipe 126 formed in the coarse fluid body 106. The ball valve 122 is pushed upwards and then pushed down again by the spring 110, that is, the closing stages formed in the process of frequently operating up and down are not serious.

다시말해 고정용밸브(124)와 맞부딪히면서 연속 상·하작동을 행함으로써 분무압등의 힘을 적절히 조절해내고 있는 세라믹볼밸브(122)가 상·하작동시 세라믹볼밸브(122)의 상·하작동을 부드럽게 유도해내고 있는 부분이 전혀 없다는 것, 따라서 조압변몸체(106) 내부의 커다란 공간내에서 홀로 위로 상승했다가 아래로 하강하는 바람에 강한 분무압에 의한 상·하작동시에는 세라믹볼밸브(122)가 정확하게 승·하강하는 것이 아니라 회류하는 분무액등의 힘에 의해 좌·우로 심하게 유동하면서 승·하강하므로 진동이 심하고 이로인해 소음이 엄청나게 발생되는 문제점이 있다는 것이다.In other words, the ceramic ball valve 122, which is appropriately regulating the force of spraying pressure and the like, by performing the continuous up and down operation while colliding with the fixing valve 124, causes the upper and lower operations of the ceramic ball valve 122 to operate. There is no part which induces the lower operation smoothly, therefore the ceramics are used during the up and down operation by the strong spray pressure which rises up and down in the large space inside the control body 106 The ball valve 122 is not raised and lowered accurately, but is moved up and down while being severely flowed to the left and right by the force of the spraying liquid, etc., so that the vibration is severe and this causes a problem of enormous noise.

한편, 통상 분무기용에 적합한 K·S규격의 수압세기는 약 45kg/㎤정도인데 반해 실제 사용자들은 이보다 휠씬 높은 70㎏∼100㎏/㎤정도 되게끔 하여 사용하는 것이 보통인 관계로 진동이 더욱 심할뿐아니라 소음 또한 멀리서도 드르럭하는 소리가 들릴정도로 엄청난편이며 이밖에도 상·하작동때문에 부득이 공중에 떠 있는 형상이 될 수밖에 없는 세라믹볼밸브(122)의 중심부와 조압변몸체(106)의 저면부에 고정되어 있는 고정용밸브(124)의 중심부가 일치되지 않음으로 인해 분무기용 압력조절기(1')가 제기능을 제대로 발휘되지 못하는 문제점과 수명 또한 짧아질수 밖에 없는 단점등 여러 가지의 폐단이 존재하고 있었던 것이다.On the other hand, the hydraulic strength of the KS standard, which is suitable for sprayers, is about 45kg / cm3, while the actual users generally use it at a higher 70kg ~ 100kg / cm3. In addition, the noise is also so great that you can hear the sound from afar, and besides, the center of the ceramic ball valve 122 and the bottom part of the pressure control body 106, which are forced to float in the air due to the up and down operation. Due to the mismatch between the centers of the fixing valves 124 fixed to the valves, there are various closed ends such as a problem that the pressure regulator 1 'for the nebulizer does not function properly and a shortcoming that the lifespan can be shortened. I was doing.

본고안은 이러한 종래의 제반문제점을 충분히 감안하여 안출한 것으로서, 조압변몸체의 내부에 다수개의 고정편을 조압변몸체와 일체로 형성하여 분무압등에 의해 상·하작동할수 밖에 없는 세라믹볼밸브가 고정편밖으로는 더 이상 삐쳐나갈수 없도록 함으로써 정확하게 상·하작동이 이루어지도록 함과 동시에 고정용밸브와도 정확하게 일치되어 맞물려지도록하고 아울러 수없는 작동과 매우 강한 수압에 전달된다하더라도 밸브의 작용이 원활하게 이루어짐은 물론, 진동 및 소음이 거의 발생되지 않도록 한 개발품의 제공을 그 목적으로 하는 것이다.This paper devised in view of the above-mentioned general problems, and the ceramic ball valve which is forced to operate up and down by spraying pressure by forming a plurality of fixing pieces integrally with the control valve body inside the control valve body. By not allowing any more squeeze out of the stationary piece, it ensures that the up and down operation is performed precisely, and that the valve is correctly matched with the fixing valve to be engaged. Of course, the object of the present invention is to provide a development product in which vibration and noise are hardly generated.

제1도는 본고안의 요지인 조압변 몸체가 장설된 분무기용 압력조절기의 결합단면도.1 is a cross-sectional view of the pressure regulator for the nebulizer equipped with a pressure regulator body, which is the subject matter of the present invention.

제2도는 본고안의 요지인 조압변 몸체가 포함된 분무기용 압력조절기의 일부분해사시도2 is a partial perspective view of a pressure regulator for a nebulizer including a pressure regulator body, which is the subject of this paper.

제3도는 본고안의 요지인 조압변 몸체을 도시한 제1도의 A-A'선 단면도3 is a cross-sectional view taken along the line A-A 'of FIG.

제4 (a)도는 본고안의 실시예시도4 (a) is an exemplary view of the present proposal

(b)도는 본고안의 또다른 실시예시도(b) is another embodiment of the present invention

제5도는 종래의 분무기용 압력조절기5 is a conventional pressure regulator for nebulizer

* 도면의 주요부분에 대한 부호의 설명.* Explanation of symbols for the main parts of the drawings.

1 : 분무기용 압력조절기 2 : 조압변몸체1: pressure regulator for atomizer 2: pressure regulator body

3,3',3'' : 고정편 4 : 세라믹볼밸브3,3 ', 3' ': Fixed piece 4: Ceramic ball valve

5 : 고정용밸브 6 : 배수관5: fixing valve 6: drain pipe

7 : 통공부 8 : 연결브라켓7: through hole 8: connecting bracket

9 : 작동체 10 : 여수로9: Actuator 10: Yeosu-ro

본고안은 제3도에 도시되어 있는 바와같이 조압변몸체(2)의 내부하측편에 4개정도의 고정편(3)을 조압변몸체(2)와 일체로 형성하되, 세라믹볼밸브(4)가 상·하로 정확하게 작동될때의 넓이에서 약간의 허용공차만을 두고 밀착되게 형성토록 함을 그 주요구조로 삼고 있다.As shown in FIG. 3, the present invention forms four fixed pieces 3 integrally with the adjustment valve body 2 on the inner lower side of the adjustment valve body 2, and the ceramic ball valve 4 Its main structure is to form a close contact with a certain tolerance in the area when it is operated correctly up and down.

그리고 조압변몸체(2) 내부에 상기 고정편(3)처럼 군데군데 형성하는 것이 아니라 약간의 허용공차만을 남겨두고 내부속을 꽉채우게 되면 고정용밸브(5)를 통해 들어오는 분무압등이 원활하게 빠져나갈수가 없기 때문에 압력조절기(1) 자체가 못쓰게 되므로 부득불 분무액등이 일단 머물수 있는 공간부를 넓게 형성할수 밖에 없게되고 이러다보니 전술한 종래의 문제점들이 야기된다.In addition, the pressure control body (2) is not formed in the same place as the fixing piece (3), but instead of forming a few tolerances and the internal speed is filled tightly, the spray pressure coming through the fixing valve (5) smoothly Since the pressure regulator 1 itself cannot be used because it cannot escape, it is inevitable to form a wide space where the spray liquid and the like can stay once, which causes the above-mentioned conventional problems.

따라서 고정편(3)을 형성하더라도 충분한 공간부가 확보될수 있도록 군데군데 형성하되, 분무액등의 배출방향등을 고려해 고정편(3)의 설치 방향을 배수관(6)쪽으로 향하도록하여 약간둥글게 형성함이 바람직할 것으로 사료된다.Therefore, even though the fixing piece 3 is formed, it is formed in several places so that a sufficient space can be secured. However, the installation direction of the fixing piece 3 is slightly rounded toward the drain pipe 6 in consideration of the discharge direction of the spraying liquid. This is considered to be preferable.

한편, 제4(a)도에서 보듯이 고정편(3')을 조압변몸체(2)의 상측에서부터 하측에 이르기까지 길게 형성할수도 있고 제4(b)도의 경우처럼 고정편(3'') 상측에서부터 길게 형성하되, 세라믹볼밸브(4)가 작동되는 길이 정도까지만 형성할수도 있다.On the other hand, as shown in FIG. 4 (a), the fixing piece 3 'may be formed long from the upper side to the lower side of the pressure control body 2, and as shown in FIG. 4 (b), the fixing piece 3' ' It is formed long from the upper side, it may be formed only up to the length of the ceramic ball valve (4) is operated.

미설명부호 11은 조절손잡이, 12는 조절나봉, 13은 측관, 14는 스프링, 15는 수동레바, 16은 볼트이다.Reference numeral 11 is an adjustment knob, 12 is an adjustment rod, 13 is a side tube, 14 is a spring, 15 is a manual lever and 16 is a bolt.

이와같이 구성된 본고안은 조압변몸체(2)의 하측에 형성된 연결브라켓(8)을 이용하여 분무기용 압력조절기(1)를 통상의 방법처럼 동력분무기의 일측에 고정·설치하여 사용하게 되는 것으로서 분무압이 상승하게 되면 작동체(9) 및 세라믹볼밸브(4)가 함께 상승되면서 고정용밸브(5)와의 사이가 벌어져 여수로(10)가 형성되고 이어 배수관(6)을 통하여 필요이상의 분무압등이 배출되어지는 것은 옛부터 행해져 오던 방법과 같다.In this configuration, the present invention is configured to fix and install the nebulizer pressure regulator 1 on one side of the power sprayer by using the connecting bracket 8 formed on the lower side of the control valve body 2 as in a conventional manner. When this rises, the actuator (9) and the ceramic ball valve (4) is raised together, and the gap between the fixing valve (5) is formed to form a free passage (10), and then the spray pressure more than necessary through the drain pipe (6) This discharge is the same way that has been done since ancient times.

그러나 분무작업중 분무압이 상승하게 되면 고정용밸브(5)의 통공부(7)를 통하여 밑면이 완전히 막혀있는 세라믹볼밸브(4)를 위로 밀어내게 되고 따라서 세라믹볼밸브(4)는 측관(13)내에서 작동체(9)를 통하여 스프링(14)을 압축하면서 위로 계속 밀어내게 될것이며 이로써 전술한바처럼 고정용밸브(5)와 세라믹볼밸브(4)사이에 공간부가 형성되면서 이공간부를 통하여 분무압이 배수되어 정상적인 압력이 유지하게 되고 반면에 압력이 약해지기 시작하면 작동체(9)는 다시 스프링(14)의 탄발력에 의해 다시 원복하여 세라믹볼밸브(4)가 고정용밸브(5)에 접하게 됨으로써 고정용밸브(5)의 통공부(7)를 완전차단하게 되어 분무압은 다시 정상적으로 작동하게 된다. 바로 이대목에서 본고안에 따른 작용·효과가 두드러지게 나타나게 되는데, 예를들어 종래처럼 조압변몸체(2)내에 고정편(3)이 형성되어 있지 아니할경우에는 세라믹볼밸브(4)가 분무압에 의해 승·하강작동을 연속하게 되면 회류하는 분무압등에 의해 세라믹볼밸브(4)의 상승이 똑바르게 이루어지는 것이 아니라 꺽여서 돌아나가는 분무압등의 힘에 의해 약간 떨면서 비스듬히 상승하게 되고 이러한 현상이 연속·반복되게 됨에 따라 고정용밸브(5)와의 맞물림이 정확하게 이루어지지 않게 되며 그러다보니 비정상적인 작동의 악순환이 계속됨으로 인해 측관(13)내에서의 진동과 소음이 엄청나게 발생될수 밖에 없었던 것이며, 더군다나 분무압등이 강할수록 이러한 현상은 더욱 심해질수 밖에 없어 얼마안가서는 교체할수 밖에 없었다는 것이다.However, when the spraying pressure increases during the spraying operation, the bottom of the ceramic ball valve 4 is completely pushed up through the through hole 7 of the fixing valve 5, so that the ceramic ball valve 4 has a side pipe 13. Will be pushed upward while compressing the spring (14) through the actuator (9) in this) through this two-space portion is formed between the fixing valve (5) and the ceramic ball valve (4) as described above When the spray pressure is drained to maintain a normal pressure, on the other hand, when the pressure begins to weaken, the actuator 9 is retracted again by the spring force of the spring 14 so that the ceramic ball valve 4 is fixed to the fixed valve 5. By contacting the), the through hole 7 of the fixing valve 5 is completely blocked, and the spray pressure is normally operated again. In this case, the action and effect of the present case will be prominent. For example, when the fixing piece 3 is not formed in the pressure adjusting body 2 as in the prior art, the ceramic ball valve 4 is applied to the spray pressure. When the raising and lowering operation is continued, the ceramic ball valve 4 is not raised by the rotating spraying pressure, but rather is raised at an angle while shaking slightly by the force of the spraying pressure, which is bent and returned. As the repetition is repeated, the engagement with the fixing valve (5) is not made accurately, and as a result, the vicious cycle of abnormal operation continues, so that vibration and noise in the side pipe (13) were inevitably generated, and even more, the spray pressure. The stronger the back, the worse this phenomenon was, and sooner or later they had to replace it.

그런데 본고안처럼 조압변몸체(2)내에 다수개의 고정편(3)(3')(3'')을 형성할 경우에는 고정편이 상승안내역할을 하므로 세라믹볼밸브(4)가 중심을 잃으면서 상승하는 현상같은 것은 없어지고 똑바로 상승하게 되므로 진동 및 소음이 엄청나게 줄어들뿐아니라 고정용밸브(5)와의 맞물림도 정확해져 분무압조절이 용이해지는 이점이 있다할것이고 아울러 원통체로 된 세라믹볼밸브(4)가 위로 상승하면서 고정편(3)(3')(3)의 벽면에 일부면이 닿는다 하더라도 분무액등이 매개 역할을 하므로 닳거나 마찰음등의 발생은 전혀없다 할 것이다.However, in the case of forming a plurality of fixing pieces (3) (3 ') (3' ') in the control valve body (2) as shown in this paper, since the fixing pieces play a rising guide role, the ceramic ball valve (4) loses its center. As the rising phenomenon disappears and rises upright, the vibration and noise are greatly reduced, and the engagement with the fixing valve 5 is also accurate, so that the spray pressure can be easily adjusted. Even if some part touches the wall surface of the fixing piece (3) (3 ') (3) as it rises up, there will be no wear or friction noise since the spraying liquid plays a role.

그리고 수동레바(15)는 분무압이 너무세다고 판단될 때 사용하는 것인데 이는 종래에 이용되던 방법과 동일함을 첨언한다.And the manual lever 15 is to be used when it is determined that the spray pressure is too high, which is the same as the conventional method used.

이상에서 설명한 바와같이 본고안에 따르면 필요이상의 강한 분무압등이 작용하게 되더라도 승·하강하는 세라믹볼밸브(4)가 조압변몸체(2)내의 고정편(3)(3')(3)의 안내범위내에서 작용하게 됨으로써 진동 및 소음의 발생을 극히 억제할수 있을뿐아니라 고정용밸브(5)와의 접촉면 또한 정확하게 이루어지게 됨으로써 분무압등의 정상적인 배출활동이 원활하게 되어 기능이 크게 향상되고 수명 또한 연장되는등의 다대한 효과가 예상되는 유용한 고안이라 할 것이다.As described above, according to the present proposal, even if a strong spray pressure or the like is applied, the ceramic ball valve 4 which moves up and down is guided by the fixing pieces 3, 3 ', 3 in the pressure adjusting body 2. By operating within the range, it is possible not only to suppress the occurrence of vibration and noise, but also to make the contact surface with the fixing valve 5 accurately, so that the normal discharge activity such as spray pressure is smooth, and the function is greatly improved and the life is extended. It is a useful design that can be expected to have many effects.

Claims (1)

분무기용 압력조절기(1)의 일측에 설치되는 조압변몸체(2)를 형성함에 있어서,In forming the pressure regulator body 2 installed on one side of the pressure regulator 1 for the nebulizer, 조압변몸체(2) 내부에 길이 방향으로 다수개의 고정편(3)(3')(3'')을 형성하여 구성됨을 특징으로 하는 분무기용 압력조절기의 개량조압변.Improved pressure regulator of the pressure regulator for the nebulizer, characterized in that it is formed by forming a plurality of fixing pieces (3) (3 ') (3' ') in the longitudinal direction inside the pressure regulator body (2).
KR2019970003917U 1997-03-03 1997-03-03 Valve of spray KR200154630Y1 (en)

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KR200154630Y1 true KR200154630Y1 (en) 1999-08-16

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