JPH087088Y2 - Valve mechanism of pressure regulator - Google Patents
Valve mechanism of pressure regulatorInfo
- Publication number
- JPH087088Y2 JPH087088Y2 JP78991U JP78991U JPH087088Y2 JP H087088 Y2 JPH087088 Y2 JP H087088Y2 JP 78991 U JP78991 U JP 78991U JP 78991 U JP78991 U JP 78991U JP H087088 Y2 JPH087088 Y2 JP H087088Y2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- holding plate
- lever
- pressure regulator
- tip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Safety Valves (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案はＬＰＧ燃料機関等に用い
るのに好適な調圧装置のバルブ機構に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a valve mechanism of a pressure regulator suitable for use in an LPG fuel engine or the like.
【０００２】[0002]
【従来の技術】ＬＰＧ内燃機関における調圧装置のバル
ブ機構として図１(a) の構造のものが周知である (実公
昭６０−８１３７号公報）。2. Description of the Related Art As a valve mechanism of a pressure regulator for an LPG internal combustion engine, a valve mechanism having a structure shown in FIG. 1 (a) is well known (Japanese Utility Model Publication No. 60-8137).
【０００３】このものは、ダイアフラム１の作動によっ
て支軸２を中心として回動するレバー３と、支軸２に回
動可能に取り付けられ、先端にシート4a面に対向するバ
ルブ５を固着した弾性を有するバルブ保持板６とからな
り、これらレバー３とバルブ保持板６とを前者が上部で
後者が下部に位置するように配置すると共に前記レバー
３には、先端にバルブ５の中心部に作用する半球形の押
圧部3aを形成し、バルブ保持板６は、その支軸２を中心
にその前後 (図で左右) にレバー３に対する接触点Ａ,
Ｂを有し、これらの接触点ＡとＢの中間部に屈曲部6bを
設けている。４はボデー、７は燃料通路で、接触点Ａが
燃料通路７の中心線上に位置するように設定されてい
る。This is an elastic body in which a lever 3 which is rotated around a support shaft 2 by the operation of a diaphragm 1 and a valve 5 which is rotatably attached to the support shaft 2 and is opposed to the surface of a seat 4a at its tip end is fixed. And a valve holding plate 6 having a lever. The lever 3 and the valve holding plate 6 are arranged so that the former is located at the upper part and the latter is located at the lower part, and the lever 3 acts on the center of the valve 5 at the tip. Forming a hemispherical pressing portion 3a, and the valve holding plate 6 has a contact point A with the lever 3 in front of and behind (left and right in the figure) about the support shaft 2 as a center.
B is provided, and a bent portion 6b is provided at an intermediate portion between the contact points A and B. 4 is a body, 7 is a fuel passage, and the contact point A is set so as to be located on the center line of the fuel passage 7.
【０００４】図１(a) のバルブ機構では、バルブ保持板
６が上下方向に屈曲可能な板ばねであることと、押圧部
3aが接触する接触点Ａがバルブ５の中心部、すなわちシ
ート4aの中心に設定されていることにより、バルブ５の
全周がシート4a面上に均等に押圧され、その密閉度が長
期使用後にも損なわれることがないものである。In the valve mechanism shown in FIG. 1 (a), the valve holding plate 6 is a leaf spring which can be bent in the vertical direction, and
Since the contact point A with which 3a contacts is set at the center of the valve 5, that is, the center of the seat 4a, the entire circumference of the valve 5 is evenly pressed onto the surface of the seat 4a, and its sealing degree is used after long-term use. Is not impaired.
【０００５】[0005]
【考案が解決しようとする課題】この種の調圧装置で
は、バルブの密閉度をよくするには、バルブ保持板６の
屈曲部6bの曲げや捩れの剛性を小さくすることが望まれ
るが、剛性をあまり小さくすると燃料の流れによってバ
ルブが自励振動を生じて異音を発生するという問題点が
あった。In this type of pressure regulator, it is desirable to reduce the bending and twisting rigidity of the bent portion 6b of the valve holding plate 6 in order to improve the sealing of the valve. If the rigidity is made too small, there is a problem that the valve causes self-excited vibration due to the flow of fuel and produces abnormal noise.
【０００６】そこで、本考案はこのような問題点を解消
できる調圧器のバルブ機構を提供することを目的とす
る。[0006] Therefore, an object of the present invention is to provide a valve mechanism of a pressure regulator which can solve such problems.
【０００７】上記従来の技術で、バルブ保持板６とバル
ブ５は、図１(b) と(c) のような形状をしているが、本
考案ではバルブ保持板の板厚ｔや、屈曲部6bの幅Ｂや、
バルブ５の中心から屈曲部6bの基部までの距離Ｌとバル
ブ保持板先端部全重量との関係を定めることにより、上
記問題点を解消した。In the above-mentioned conventional technique, the valve holding plate 6 and the valve 5 have the shapes shown in FIGS. 1 (b) and 1 (c). The width B of the portion 6b,
The above problem was solved by defining the relationship between the distance L from the center of the valve 5 to the base of the bent portion 6b and the total weight of the tip of the valve holding plate.
【０００８】[0008]
【課題を解決するための手段】上記目的を達成するため
に、本考案の調圧装置のバルブ機構は、ダイアフラム
(1) の作動によって支軸(2）を中心として回動するレバ
ー(3) と、支軸(2) に回動可能に取り付けられ、先端に
シート(4a)面に対向するバルブ(5) を固着した弾性を有
するバルブ保持板(6) とから成り、これらのレバー(3)
とバルブ保持板(6) とを前者が上部で後者が下部に位置
するように配置すると共に前記レバー(3)には、先端に
バルブ(5) の中心部に作用する半球形の押圧部(3a)を形
成し、バルブ保持板(6) は、その支軸(2) を中心にその
前後にレバー(3) に対する接触点(A), (B)を有し、これ
らの接触点(A) と(B) の中間部に屈曲部(6b)を設けたも
のにおいて、バルブ保持板(6) の板厚ｔを 0.5〜0.7mm
、屈曲部(6b)の幅Ｂを１〜２mmにすると共に、バルブ
(5) の中心から屈曲部(6b)の基部までの距離Ｌの３乗と
バルブ(5) を含めたバルブ保持板(6) の先端部全重量ｗ
との積Ｌ3 ・ｗを２〜７kgmm3 の範囲に定めたことを特
徴とする。In order to achieve the above object, the valve mechanism of the pressure regulator of the present invention comprises a diaphragm.
A lever (3) that rotates about the support shaft (2) by the operation of (1) and a valve (5) that is rotatably attached to the support shaft (2) and that has its tip facing the seat (4a) surface. And an elastic valve holding plate (6) to which
And the valve holding plate (6) so that the former is located at the upper part and the latter is located at the lower part, and the lever (3) has a hemispherical pressing part () acting on the center part of the valve (5) at the tip. 3a), the valve holding plate (6) has contact points (A), (B) with respect to the lever (3) around the support shaft (2), and these contact points (A). ) And (B) with a bend (6b) in the middle, the thickness t of the valve holding plate (6) is 0.5 to 0.7 mm.
, The width B of the bent portion (6b) is 1-2 mm, and the valve
The cube of the distance L from the center of (5) to the base of the bent portion (6b) and the total weight w of the tip of the valve holding plate (6) including the valve (5).
It is characterized in that the product L 3 · w of and is set in the range of 2 to 7 kgmm 3 .
【０００９】[0009]
【作用】バルブ保持板の剛性は、適当な範囲にあるた
め、密閉度不良にはならず、バルブ共振周波数も自励振
動域に入らないため、バルブ密閉性の良い安定した調圧
動作をする。[Function] Since the rigidity of the valve holding plate is within an appropriate range, the sealing degree does not become poor, and the valve resonance frequency does not fall within the self-excited vibration range, so that stable pressure regulation operation with good valve sealing performance is performed. .
【００１０】[0010]
【実施例】構造面は上記従来の技術と類似であるので、
図１(a) 〜(c) についての説明は繰り返さない。なお本
考案での先端部全重量ｗは、図１(c) にあらわされてい
る、バルブ保持板６の前端 (先端) の四角い形状の部分
6cと、バルブ５との合計重量のことをいう。EXAMPLE Since the structural aspect is similar to the above conventional technique,
The description of FIGS. 1 (a)-(c) will not be repeated. Note that the total weight w of the tip portion in the present invention is the square-shaped portion of the front end (tip) of the valve holding plate 6 shown in FIG. 1 (c).
It means the total weight of 6c and the valve 5.
【００１１】図２の曲線ＡはＬ3 ・ｗを変えたときのバ
ルブ共振周波数を示す。Ｌ3 ・ｗが２kgmm3 未満である
とバルブ保持板６の屈曲部6bの剛性が大となり密閉度不
良をおこす。又、Ｌ3 ・ｗが７kgmm3 を越えるとバルブ
共振周波数が低くなって自励振動域に入るため実用的で
ない。Curve A in FIG. 2 shows the valve resonance frequency when L 3 · w is changed. If L 3 · w is less than 2 kgmm 3 , the rigidity of the bent portion 6b of the valve holding plate 6 becomes large, resulting in poor sealing. Also, when L 3 · w exceeds 7 kgmm 3 , the valve resonance frequency becomes low and enters the self-excited vibration range, which is not practical.
【００１２】図２で曲線Ａと、横軸と、Ｌ3 ・ｗが２kg
mm3 と７kgmm3 の縦線で囲まれた範囲が本考案の請求の
範囲である。In FIG. 2, the curve A, the horizontal axis, and L 3 · w is 2 kg.
mm 3 and the area surrounded by the vertical line 7Kgmm 3 is in the range of the claims of the present invention.
【００１３】[0013]
【考案の効果】本考案の調圧装置のバルブ機構は上述の
ように構成されているので、バルブの密閉性を損なわ
ず、しかも自励振動を生じる虞れがない。Since the valve mechanism of the pressure regulating device of the present invention is constructed as described above, the sealing performance of the valve is not impaired and the self-excited vibration is not likely to occur.
【図１】本考案と従来技術の調圧装置のバルブ機構を示
し、 (a)は側面図、 (b)はバルブ保持板にバルブを取り
付けた状態の側面図、 (c)は同図(b) のものの下面図で
ある。1A and 1B show a valve mechanism of a pressure regulator according to the present invention and a prior art, FIG. 1A is a side view, FIG. 1B is a side view showing a state where a valve is attached to a valve holding plate, and FIG. It is a bottom view of the thing of b).
【図２】バルブの共振周波数を示す線図である。FIG. 2 is a diagram showing a resonance frequency of a valve.
１ ダイアフラム ２ 支軸 ３ レバー 3a 押圧部 4a シート ５ バルブ ６ バルブ保持板 6a 屈曲部 Ａ，Ｂ 接触点 1 Diaphragm 2 Support shaft 3 Lever 3a Pressing part 4a Seat 5 Valve 6 Valve holding plate 6a Bending part A, B Contact point
Claims (1)
(2）を中心として回動するレバー(3) と、支軸(2) に回
動可能に取り付けられ、先端にシート(4a)面に対向する
バルブ(5) を固着した弾性を有するバルブ保持板(6) と
から成り、これらのレバー(3) とバルブ保持板(6) とを
前者が上部で後者が下部に位置するように配置すると共
に前記レバー(3) には、先端にバルブ(5) の中心部に作
用する半球形の押圧部(3a)を形成し、バルブ保持板(6)
は、その支軸(2) を中心にその前後にレバー(3) に対す
る接触点(A), (B)を有し、これらの接触点(A) と(B) の
中間部に屈曲部(6b)を設けたものにおいて、バルブ保持
板(6) の板厚ｔを 0.5〜0.7mm 、屈曲部(6b)の幅Ｂを１
〜２mmにすると共に、バルブ(5) の中心から屈曲部(6b)
の基部までの距離Ｌの３乗とバルブ(5) を含めたバルブ
保持板(6b)の先端部全重量ｗとの積Ｌ3 ・ｗを２〜７kg
mm3の範囲に定めたことを特徴とする調圧装置のバルブ
機構。1. A shaft is supported by the operation of the diaphragm (1).
A lever (3) that rotates around (2) and a valve retainer that is rotatably attached to the support shaft (2) and has a valve (5) facing the seat (4a) face fixed to the tip The lever (3) and the valve holding plate (6) are arranged so that the former is located at the upper part and the latter is located at the lower part, and the lever (3) is provided with a valve ( 5) Forming a hemispherical pressing part (3a) acting on the central part of the valve holding plate (6)
Has contact points (A), (B) with respect to the lever (3) around the support shaft (2) and at the middle of the contact points (A) and (B). 6b), the valve holding plate (6) has a thickness t of 0.5 to 0.7 mm, and the bent portion (6b) has a width B of 1
Approximately 2 mm, and bend (6b) from the center of the valve (5)
2 to 7 kg of the product L 3 · w of the cube of the distance L to the base of the above and the total weight w of the tip of the valve holding plate (6b) including the valve (5)
A valve mechanism for a pressure regulator, which is characterized by being set in the range of mm 3 .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP78991U JPH087088Y2 (en) | 1991-01-16 | 1991-01-16 | Valve mechanism of pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP78991U JPH087088Y2 (en) | 1991-01-16 | 1991-01-16 | Valve mechanism of pressure regulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0495652U JPH0495652U (en) | 1992-08-19 |
| JPH087088Y2 true JPH087088Y2 (en) | 1996-02-28 |
Family
ID=31727728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP78991U Expired - Fee Related JPH087088Y2 (en) | 1991-01-16 | 1991-01-16 | Valve mechanism of pressure regulator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH087088Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012132315A (en) * | 2010-12-19 | 2012-07-12 | Nikki Co Ltd | Vaporizer |
-
1991
- 1991-01-16 JP JP78991U patent/JPH087088Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0495652U (en) | 1992-08-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |