CN101105237A - Leaf valve - Google Patents
Leaf valve Download PDFInfo
- Publication number
- CN101105237A CN101105237A CNA2007101280349A CN200710128034A CN101105237A CN 101105237 A CN101105237 A CN 101105237A CN A2007101280349 A CNA2007101280349 A CN A2007101280349A CN 200710128034 A CN200710128034 A CN 200710128034A CN 101105237 A CN101105237 A CN 101105237A
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- valve
- valve body
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- tying hole
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Abstract
The present invention relates to a reed valve (19) which uses the reed shaped valve body (23) to control the air inflowing. A fixed end (23A) of the reed shaped valve body (23) which is used to block the valve port (25) is installed on the valve main body (24) arranged with the valve port (25). The first bending part is composed by bending the free end (23B) of the valve body (23) to the direction of the valve main body (24) and the second bending part is formed by bending the free end of the valve to the inverse direction to the fixed end (23A). A tieing stop hole (27) is arranged at the valve installing surface (24S) of the installing valve body (23) of the valve main body (24). The bended free end (23B) of the valve body (23) is inserted into the tieing stop hole (27). The free end (23B) is tieing stopped at the position where the second bending part (232) contacts the step part (27A) of the tieing stop hole (27) if the valve body (23) is warped by the pressure. In this way the valve can prevent that the valve body (23) is warped by the excess to the elastic limit. The invention provides the waste stop as the reed valve restricting piece and low price reed valve of other objects.
Description
Technical field
The present invention relates to use the leaf valve (reed valve) of reed shape valve body, the inflow of control air.
Background technique
In leaf valve, be provided with the leaf valve limiting component, when air-breathing or exhaust, in order to prevent that the reed shape valve body excess of stroke from becoming excessive stresses and can not be returned to prototype, above-mentioned leaf valve limiting component is used for limiting valve body warpage (patent documentation 1).
Patent documentation 1: TOHKEMY 2004-232712 communique
But leaf valve limiting component in the past is screwed sheet metal and constitutes on valve body, exists part number many, and assembling procedure is also many.In addition, in the prior art, owing to be clipped in fluid resistances such as air between leaf valve and the limiting component, exist leaf valve to move confined problem.
Summary of the invention
The present invention puts forward for solving the existing problem of above-mentioned prior art, the objective of the invention is to, and provides by abrogating leaf valve limiting component as complicated variant, guaranteeing the leaf valve of high vent ability and light-weighted low price.
To achieve these goals, the present invention proposes following scheme:
(1) a kind of leaf valve is characterized in that:
This leaf valve comprises:
Be provided with the body of valve opening;
Reed shape valve body, the fixed end of not carrying out above-mentioned valve body one end of conduct of above-mentioned valve opening switching is fixed on the above-mentioned body;
Free end as the above-mentioned valve body the other end is provided with engaging part, be fitted in the tying hole that is located on the above-mentioned body, with the warpage of above-mentioned valve body be limited in decide scope.
(2) in above-mentioned (1) described leaf valve, it is characterized in that:
Above-mentioned engaging part is above-mentioned free-ended front end, from the valve body par that is used for inaccessible valve opening towards above-mentioned base side bending, above-mentioned front end is fitted in the above-mentioned tying hole, if above-mentioned valve body open valve to decide scope, then above-mentioned front end in above-mentioned tying hole by tying.
(3) in above-mentioned (2) described leaf valve, it is characterized in that:
In above-mentioned body, go up the above-mentioned valve body of mounting for the 1st, with the face of above-mentioned the 1st opposition side as the 2nd, the opening that the aperture efficiency that is formed on above-mentioned the 1st above-mentioned tying hole is formed on above-mentioned the 2nd above-mentioned tying hole is little, further bends to parallel with above-mentioned par towards the above-mentioned front end of above-mentioned base side bending.
(4) in above-mentioned (1) or (2) described leaf valve, it is characterized in that:
Above-mentioned tying hole is the hole that is communicated with the side of the 1st of the above-mentioned body of the above-mentioned valve body of mounting and above-mentioned body.
(5) in above-mentioned (1) or (2) described leaf valve, it is characterized in that:
Above-mentioned tying hole is non-intercommunicating pore, and opening is positioned at the 1st of the above-mentioned body of the above-mentioned valve body of mounting, and this opening size is littler than the size of the opposite side in above-mentioned tying hole.
According to the present invention, can provide by abrogating leaf valve limiting component, guaranteeing the leaf valve of high vent ability and light-weighted low price as complicated variant.
Description of drawings
Fig. 1 is to use the secondary ventilation system generalized schematic as the leaf valve of first embodiment of the invention.
Fig. 2 be remove housing parts first embodiment valve body close valve the time side cross-sectional view.
Fig. 3 be remove housing parts first embodiment valve body drive valve the time side cross-sectional view.
Fig. 4 is the stereogram of the valve body of Fig. 3.
Fig. 5 is the representative side section view when being assembled in the housing of the valve body with first embodiment.
Fig. 6 is the side cross-sectional view of first embodiment's leaf valve variation.
Fig. 7 is the stereogram of second embodiment's valve body.
Fig. 8 is the side cross-sectional view of second embodiment's valve body.
Fig. 9 is the side cross-sectional view of the 3rd embodiment's valve body.
Symbol description is as follows:
The 10-cylinder head, 11-intakeport, 12-sucking pipe, 13-air filter, the 14-relief opening, 15-outlet pipe, 16-secondary air supply passage, the 17-air filter, 18-cut-in without ball valve (air cut valve), 19-leaf valve, the 23-valve body, 23A-fixed end, 23B-free end, the 24-valve body, 25-valve opening, 27-tying hole, the 27A-stepped part, 231-the 1st curved part, 232-the 2nd curved part.
Embodiment
Below, present invention will be described in detail with reference to the accompanying most preferred embodiment, in following examples, though to constituting component, kind, combination, shape, configuration waits and has done various qualifications relatively,, these only exemplify, and the present invention is not limited thereto.
Fig. 1 is to use the secondary ventilation system generalized schematic as the leaf valve of first embodiment of the invention.In the present embodiment, being that example describes with the secondary ventilation system, but using the system of leaf valve to be not limited to secondary ventilation system, for example also can be suction system.
Sucking pipe 12 is located at the intakeport 11 as the cylinder head 10 of power, and atmosphere is passed through in the air filter 13 guiding cylinders.Outlet pipe 15 is installed in relief opening 14, and outlet pipe 15 is not connected with there being illustrated exhaust silencer.
At relief opening 14, be provided with secondary air supply passage 16, to the vent systems feeding secondary air.By air filter 17, cut-in without ball valve 18, leaf valve 19 is to secondary air supply passage 16 feeding secondary airs.Cut-in without ball valve 18 is provided with diaphragm chamber, and it is communicated with sucking pipe 12 by vacuum tube 20, if relief opening 14 produces negative pressure, and then diaphragm 21 actions, the control valve 22 of cut-in without ball valve 18 is opened.
The leaf valve 19 that is located between cut-in without ball valve 18 and the secondary air supply passage 16 is check valves, stop air to flow to secondary air supply passage 16 from cut-in without ball valve 18, only when producing negative pressure, drives relief opening 14 valve, negative pressure is delivered to cut-in without ball valve 18, open control valve 22, secondary air is supplied with relief opening 14.
Below with reference to Fig. 2～Fig. 4, illustrate in greater detail the side cross-sectional view of first embodiment's leaf valve 19, wherein, Fig. 2 and Fig. 3 are that Fig. 2 represents the valve body closed condition except that the side cross-sectional view of first embodiment's of housing parts leaf valve 19, Fig. 3 represents the valve body open mode.Fig. 4 is a stereogram of seeing the leaf valve of Fig. 3 from oblique upper.
In Fig. 1, because cut-in without ball valve 18 is positioned at upside, secondary air supply passage 16 is positioned at downside, and therefore, leaf valve 19 is configured to from upside to the downside feeding secondary air, and still, the leaf valve 19 of Fig. 2～Fig. 4 is configured to air from the downside side flow that makes progress.
Substantial middle at valve body 24 forms valve opening 25.Valve body 23 is thin plates that size is enough to cover valve opening 25, is positioned on a side's of valve body 24 face (valve attachment face) 24S, makes its covering clog valve opening 25, and an end (fixed end) 23A of valve body 23 is fixed on the valve body 24 by fixing means.In the present embodiment, use screw 26, on the valve attachment face 24S of valve body 24, form with screw 26 and twist the screw 24H that closes as fixing means.On whole of the valve attachment face 24S of valve body 24, form the heat-resistant resin layer.For example impose fluor resin coating, form fluororesin layer.
On valve body 24,, form tying hole 27 with valve opening 25 adjacency.The end of the opposition side of the fixed end 23A of valve body 23 is free end 23B, and tying hole 27 is the holes that embed this free end 23B, is formed on the opposition side that installs and fixes end 23A side, clips valve opening 25.
The opening of the valve attachment face 24S side in tying hole 27 is the shape of slit-shaped, and is longer slightly than the horizontal width along width direction (holding the 23A direction vertical with the direction of free end 23B with being connected and fixed of valve body 23) of valve body 23.The A/F of the face that is formed on upstream side in tying hole 27 is wideer than the slit width of the opening of above-mentioned valve attachment face 24S side, reaches near valve attachment face 24S.That is, the opening of valve attachment face 24S side forms stepped part 27A with the intersection of the opening that forms from the face of upstream side.In the present embodiment, stepped part 27A is configured in the opposition side of valve opening 25.
That is, the slit-shaped openings that the 1st curved part 231 passes valve attachment face 24S extends to from the face of upstream side near in the formed opening portion of valve attachment face 24S.As shown in Figure 2, when valve body 23 was closed, in tying hole 27, the 2nd curved part 232 was positioned near the face of upstream side.Clip valve body 23, if the pressure ratio downstream side pressure height of upstream side, then as shown in Figure 3, valve body 23 is because pressure difference is the center with fixed end 23A, (downstream side) warpage towards the top and drive valve.At this moment, free end 23B promotes toward the top, up to the 2nd curved part 232 and stepped part 27A butt.
That is, at stepped part 27A, can prevent valve body 23, can prevent that valve body 23 from crossing the elastic limit warpage and can not be returned to the position of inaccessible valve opening 25 from the further warpage in Fig. 3 position by 232 tyings of the 2nd curved part.That is, by adjusting free end 23B shape, the scope that valve body 23 may be opened can be limited in decide scope.
Fig. 5 is the schematic cross-section when being accommodated in the housing 30 of leaf valve 19 of the valve body 24 with first embodiment.In Fig. 5, omit valve body 23.As shown in Figure 5, tying hole 27 is from the upstream side of valve body 24 intercommunicating pore of side downstream, need be isolated airtightly with the stream 40 of leaf valve 19.
Therefore, as shown in Figure 5, be provided with the pedestal portion 31 of the wall part 24A of valve body 24 on housing 30, be used to separate valve opening 25 and tying hole 27, tying hole 27 is isolated with stream 40, prevents that the air of stream 40 from flowing to the downstream side by tying hole 27.Between housing and valve body 24, sealed member 32 is housed.
As mentioned above, according to present embodiment, do not need in the conventional art to reduce part number with simple structure, and can reduce assembly cost as the leaf valve limiting component of another parts.
Fig. 6 represents first embodiment's variation.In first embodiment, the 2nd curved part 232 is towards the opposition side bending of the fixed end 23A of valve body 23, and in this variation, the 2nd curved part 233 is towards the fixed end 23A bending of valve body 23.That is, the front end of valve body 23 is U font or " " font, and the stepped part 27B that is located at tying hole 27 is formed on valve opening 25 sides.Other are identical with first embodiment.
Chimeric method between the free end of valve body and the tying hole is not limited to present embodiment, also can for example only make to constitute the free end local buckling and the chimeric engaging part in tying hole.In the present embodiment, use the 2nd curved part tying, but also can not establish the 2nd curved part, make that the sidewall and the stepped part in the 1st curved part and tying hole are chimeric, perhaps also can be at the cross setting engaging part.Have, the shape in tying hole and quantity also are not limited to present embodiment again.
Below, with reference to Fig. 7, Fig. 8 illustrates the leaf valve of the second embodiment of the present invention.The major part of the structure of second embodiment's leaf valve is identical with first embodiment, and same structure partly uses same reference marks, and omission is described.
Fig. 7 is the stereogram of second embodiment's valve body 50, and Fig. 8 is the side cross-sectional view of the valve body 50 of Fig. 7.First embodiment's tying hole 27 is communicated with towards valve attachment face (face in downstream side) from the upstream side of valve body 24, therefore, when being installed to valve body 24 in the housing 30, need pedestal portion 31 be set on housing 30, is used for tying hole 27 isolated with stream 40.
In second embodiment's valve body 50, make the side 50B of tying hole 51 be communicated with from valve attachment face 50A towards valve body 50.When being assembled into valve body 50 in the housing, four sides of valve body 50 contact with inner walls airtightly by sealed member, therefore, if side's opening in tying hole 51 is located at the side of valve body 50, then as first embodiment, shell construction is not changed, can tying hole 51 and stream is isolated airtightly.
As mentioned above,, shell construction is not changed, can obtain the effect identical with first embodiment according to second embodiment.
Fig. 9 is the side cross-sectional view of the 3rd embodiment's valve body.
In the above-described embodiments, the tying hole is an intercommunicating pore, but the present invention is not limited to the foregoing description, as shown in Figure 9, tying hole 61 also can be non-intercommunicating pore, and opening is positioned at the 1st 50A of the above-mentioned body 50 of the above-mentioned valve body of mounting, and this opening size is littler than the size of the opposite side in above-mentioned tying hole.
In example shown in Figure 9,62 form as one with valve body, but the present invention is not limited thereto, also can be formed by another part, for example by rubber caulking piece (gom packing) or iron material formation.
Above with reference to description of drawings embodiments of the invention, but the present invention is not limited to the foregoing description.Can do all changes in the technology of the present invention thought range, they all belong to protection scope of the present invention.
Claims (5)
1. leaf valve is characterized in that:
This leaf valve comprises:
Be provided with the body of valve opening;
Reed shape valve body, the fixed end of not carrying out above-mentioned valve body one end of conduct of above-mentioned valve opening switching is fixed on the above-mentioned body;
Free end as the above-mentioned valve body the other end is provided with engaging part, be fitted in the tying hole that is located on the above-mentioned body, with the warpage of above-mentioned valve body be limited in decide scope.
2. leaf valve as claimed in claim 1 is characterized in that:
Above-mentioned engaging part is above-mentioned free-ended front end, from the valve body par that is used for inaccessible valve opening towards above-mentioned base side bending, above-mentioned front end is fitted in the above-mentioned tying hole, if above-mentioned valve body open valve to decide scope, then above-mentioned front end in above-mentioned tying hole by tying.
3. leaf valve as claimed in claim 2 is characterized in that:
In above-mentioned body, go up the above-mentioned valve body of mounting for the 1st, with the face of above-mentioned the 1st opposition side as the 2nd, the opening that the aperture efficiency that is formed on above-mentioned the 1st above-mentioned tying hole is formed on above-mentioned the 2nd above-mentioned tying hole is little, further bends to parallel with above-mentioned par towards the above-mentioned front end of above-mentioned base side bending.
4. leaf valve as claimed in claim 1 or 2 is characterized in that:
Above-mentioned tying hole is the hole that is communicated with the side of the 1st of the above-mentioned body of the above-mentioned valve body of mounting and above-mentioned body.
5. leaf valve as claimed in claim 1 or 2 is characterized in that:
Above-mentioned tying hole is non-intercommunicating pore, and opening is positioned at the 1st of above-mentioned body of the above-mentioned valve body of mounting, and this opening size is littler than the size of the opposite side in above-mentioned tying hole.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006173393A JP4879662B2 (en) | 2006-06-23 | 2006-06-23 | Reed valve |
| JP2006173393 | 2006-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101105237A true CN101105237A (en) | 2008-01-16 |
Family
ID=38999261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101280349A Pending CN101105237A (en) | 2006-06-23 | 2007-06-22 | Leaf valve |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4879662B2 (en) |
| CN (1) | CN101105237A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101990398B1 (en) * | 2013-02-20 | 2019-06-18 | 엘지전자 주식회사 | Valve device for hermetic compressor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4910184B2 (en) * | 2000-06-20 | 2012-04-04 | 株式会社ヴァレオジャパン | Reciprocating refrigerant compressor |
| JP2008019710A (en) * | 2004-10-26 | 2008-01-31 | Mikuni Corp | Second air valve |
-
2006
- 2006-06-23 JP JP2006173393A patent/JP4879662B2/en not_active Expired - Fee Related
-
2007
- 2007-06-22 CN CNA2007101280349A patent/CN101105237A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008002595A (en) | 2008-01-10 |
| JP4879662B2 (en) | 2012-02-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |