CN101943281B - Valve clack device - Google Patents
Valve clack device Download PDFInfo
- Publication number
- CN101943281B CN101943281B CN201010223997.9A CN201010223997A CN101943281B CN 101943281 B CN101943281 B CN 101943281B CN 201010223997 A CN201010223997 A CN 201010223997A CN 101943281 B CN101943281 B CN 101943281B
- Authority
- CN
- China
- Prior art keywords
- pin
- insertion hole
- pair
- valve body
- pin insertion
- 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.)
- Active
Links
Images
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Check Valves (AREA)
- Lift Valve (AREA)
Abstract
The present invention provides a valve clack device which enables a valve clack to be mounted smoothly without breaking pins relative to a main body. The valve clack device comprises a main body, a valve body, and a spring element; the main body is provided with mounting arms (25A, 25B) and a spring mounting part; the valve body is provided with a rotary arm and pins (43A, 43B); each arm part is respectively provided with a pin patchhole; the mounting arm (25A) comprises a pin butting part for temporarily carrying the pin (43A) when the pin (43B) of the mounting arm (25A) is inserted into the pin patchhole, and a guide part extended to the pin patchhole from the pin butting part; the distance between the outer sides around the pin patchhole of the mounting arms (25A, 25B) is such formed that the gap with the inner side of the rotary arm is relatively narrow and the gap with the front end faces of pins (43A, 43B) is relatively wide in an interval manner.
Description
Technical field
The present invention relates to a kind of valve clack device, it is suitable as the safety check on the opening portion that is arranged on the fuel ascending pipe being for example connected with the fuel tank of automobile etc.
Background technique
For example, on the fuel tank of automobile, connect the fuel ascending pipe linking with oil-feed port, on the opening of the downstream side of this fuel ascending pipe, as safety check, sometimes configure valve clack device.In the time of fuel feeding, clack valve is opened, and fuel is flowed in fuel tank, and after fuel feeding, clack valve is closed, and prevents that fuel is to adverse current in fuel ascending pipe.
As this valve clack device, in following patent documentation 1, following valve clack device (fuel fuel supply line device) is disclosed, it has: clack valve (valve member), its lower ending opening to fuel ascending pipe (body) opens and closes; Bracket (projection), this clack valve of its rotational support; And torsion spring, its by above-mentioned clack valve to closing direction pretension.
Above-mentioned bracket uprightly arranges with Rack to external diameter direction from fuel ascending pipe opening periphery, and, the grooving of the axially extended undercut groove shape of formation from its back side to fuel ascending pipe.Width direction one sidepiece of grooving extends to the face side of bracket, and thus, width direction one sidepiece of bracket forms the part of the coil portion that keeps above-mentioned torsion spring.On the other hand, above-mentioned clack valve has: discoideus valve body; A pair of arm, its periphery from valve body is extended; And pair of pin (gudgeon), its inner side of front end from each arm is protruded and is arranged.
In addition, the coil portion of torsion spring is being accommodated behind the inside of width direction one sidepiece that remains on bracket, pair of pin is being positioned to the end, both sides of the back side of grooving, then clack valve is being pulled to fuel ascending pipe opening side.Like this, a pin is pressed in the end in outside to width direction one sidepiece of above-mentioned grooving and compared with the retaining part of spring members in week, another pin is pressed in week in the end of the other side of the width direction of this grooving, on fuel ascending pipe opening portion, can be opened and closed to install clack valve.
Patent documentation 1: No. 4151012 communique of Japan Patent
Summary of the invention
In above-mentioned patent documentation 1, because above-mentioned grooving only forms from the groove shape of the back side cutting of bracket, so be difficult to pair of pin to be located exactly on the end, both sides of the back side of grooving.In addition, in the case of the position that pair of pin is never alignd with grooving is pressed into, can be to the load of pin overaction, may produce the fracture problem of breakage or distortion of pin that makes.On the other hand, in the situation that will making pin align accurately with grooving, operation spended time is adjusted in its position, and the installation exercise of clack valve has problems.
In addition, be formed at the grooving on bracket, because pair of pin is pressed into from the back side, so become the state of back side opening.Because pair of pin is rotatably supported on this grooving, so in the case of to stronger external force of clack valve effect etc., pair of pin may be extracted from grooving, thereby clack valve is come off.
Therefore, the object of the invention is to, a kind of valve clack device is provided, it successfully installs clack valve with respect to main part, and can not produce fractureing of pin etc.
In order to achieve the above object, the invention provides a kind of valve clack device, it has: the main part of tubular, and its inside becomes the stream of liquid; The valve body of flap, it can be opened and closed to be arranged on one end opening portion of this main part; And spring members, the direction pretension that towards described one end of main part opening portion, it always close this valve body, is characterized in that, described main part has: and a pair of mounting arm, its sidewall from main part extends, and protrudes to described one end opening portion side; And spring fitting portion, it supports described spring members, and described valve body has: a pair of cursor, it protrudes from described valve body to external diameter direction; And pair of pin, its front end from this pair of cursor towards each other relative direction protrudes, described a pair of mounting arm has respectively the pin insertion hole that described pin is inserted, on the mounting arm of the side in described a pair of mounting arm, have: pin abutting part, it inserts under the state of pin of opposite side in the pin insertion hole of the mounting arm of opposite side, loads the pin of a side temporarily; And guide portion, its by from this pin abutting part until the plane of inclination of corresponding pin insertion hole form, interval between the described pin insertion hole of described a pair of mounting arm outer side surface is around formed as, and the interval between the inner side surface of described a pair of cursor is narrow, and interval between the front-end face of described pair of pin is compared wide.
In the present invention, preferred described pin abutting part, with respect to the pin insertion hole of the mounting arm of a described side, be configured in the radial direction foreign side of described main part, and be disposed on the position being offset with described pin insertion hole in the axial direction of described main part, described guide portion is made up of following part: the 1st plane of inclination, at pin when described pin abutting part moves to the position of aliging in the axial direction of described main part with described pin insertion hole, by the 1st plane of inclination; And the 2nd plane of inclination, it is from extending to described pin insertion hole with this position of axially aligning.
In the present invention, preferably on described valve body, be provided for the angle limits portion of the maximum open angle that limits this valve body, front end at the pin that inserts that side in described pin insertion hole along described guide portion forms plane of inclination, in described pin is inserted to described pin insertion hole along described guide portion time, described valve body is become under the state by the maximum open angle of described angle limits portion restriction, this plane of inclination be close to described guide portion until the plane of inclination of described pin insertion hole.
The effect of invention
According to the present invention, by in the pin insertion hole of the mounting arm of a side of main part, insert the pin of corresponding cursor, the pin of the cursor of opposite side is positioned on the abutting part of mounting arm of opposite side temporarily, under this state, this pin is slided along the inclined-plane of guide portion, thus, can make a pair of cursor slightly open on one side, pin be moved on inclined-plane on one side, in corresponding pin insertion hole, insert.
Like this, if due to two pins are inserted respectively in pin insertion hole, the interval between the pin insertion hole of a pair of mounting arm outer side surface is around formed as, and the interval between the inner side surface of a pair of cursor is narrow, and the interval between the front-end face of pair of pin is compared wide, so can depart from from patchhole by anti-shotpin, thereby be rotatably mounted valve body.
As noted above, due to the pin of a side is inserted under the state in corresponding pin insertion hole, the pin of opposite side is positioned on abutting part temporarily, under this state, this pin is slided along the inclined-plane of guide portion, insert to corresponding pin insertion hole, so can, to the load of pair of pin overaction, can rationally and successfully not insert in corresponding pin insertion hole, can improve the installation exercise of valve body, and, breakage or the distortion etc. of anti-shotpin reliably.
Brief description of the drawings
Fig. 1 is the exploded perspective view that represents a mode of execution of valve clack device of the present invention.
Fig. 2 is the oblique drawing that forms the valve body of this valve clack device.
Fig. 3 be this valve clack device want portion's oblique drawing.
Fig. 4 is illustrated in this valve clack device, in the pin insertion hole of the mounting arm to opposite side, insert under the state of pin of a side, the pin of opposite side is positioned in to the state on the mounting arm of a side temporarily, represents the oblique drawing of the part cutting of the cursor of valve body and a side.
Fig. 5 is illustrated in this valve clack device, and the state that the pin of opposite side is slided from the state shown in Fig. 4 represents the oblique drawing of the part cutting of the cursor of valve body and a side.
Fig. 6 is illustrated in this valve clack device, from the state shown in Fig. 5, the pin of opposite side is inserted to the state pin insertion hole, represents the oblique drawing of the part cutting of the cursor of valve body and a side.
Fig. 7 is the explanatory drawing of overlooking of this valve clack device.
Fig. 8 is the side-looking explanatory drawing of this valve clack device.
Fig. 9 is the explanatory drawing that represents this valve clack device to be arranged on the state on fuel tank.
Figure 10 is the exploded perspective view that represents other mode of executions of valve clack device of the present invention.
Embodiment
With reference to accompanying drawing, a mode of execution of valve clack device involved in the present invention is described below.
As shown in Figure 9, valve clack device 10 in present embodiment is (following, be called " control valve unit 10 ") use as fuel adverse current preventing valve, the fuel ascending pipe P that is arranged on fuel tank is (following, be called " ascending pipe P ") downstream side, play following effect: the fuel injecting in making from the oil-feed port of ascending pipe upstream side to ascending pipe P, flows in fuel tank by ascending pipe P, and, prevent that the fuel flowing into is to ascending pipe side adverse current in fuel tank.In the following description, so-called " upstream side " and " downstream side ", represent the direction of fuel flow, specifically, in ascending pipe P, using the side that control valve unit 10 is set as downstream side, a side (with the opposition side of control valve unit 10) that ascending pipe P is connected to oil-feed port describes as upstream side.
As shown in Figure 1, the control valve unit 10 in present embodiment has: the main part 20 of tubular, its inner stream that forms liquid; The valve body 40 of flap, it can be opened and closed to be arranged on one end opening portion 21 of this main part 20; And spring members 60, the direction pretension that to one end opening portion 21 of main part 20, it always close this valve body 40.
In addition, the main part 20 in present embodiment is arranged on the downstream side opening of above-mentioned ascending pipe P via fuel tank assembly 70.As shown in Fig. 1,9, this fuel tank assembly 70, the end in its downstream side forms the body connecting pipe 71 inserting to the upstream side opening portion of main part 20, the end of upstream side forms the ascending pipe connecting tube 73 inserting to the downstream side opening portion of above-mentioned ascending pipe P (with reference to Fig. 9), and, at the flange 75 that axially forms ring-type midway, it is fastened on the mounting hole Ta periphery of fuel tank T by welding.
In addition, the main part 20 of present embodiment is arranged on the downstream side of ascending pipe P via above-mentioned fuel tank assembly 70, but also can be using ascending pipe P itself as main part involved in the present invention, at the upper valve body 40 of directly installing of its downstream side opening portion (in the case, being one end of the present invention opening portion).
Get back to the explanation to main part 20, this main part 20 is formed as the roughly cylindric of the equal opening of upstream side and downstream side, downstream side opening portion becomes one end opening portion 21, as the part that valve body 40 is installed, the perisporium front end of these one end opening portion 21 peripheries becomes the valve seat 22 that valve body 40 approach/is separated with it.In addition, the hole enlargement slightly of the upstream-side-end of main part 20, and, upper formation of the week stepped part 23 (with reference to Fig. 9) chimeric with the body connecting pipe 71 of above-mentioned fuel tank assembly 70 therein.
As shown in Fig. 1,3,8, on all direction gage fixed positions of the sidewall 24 of main part 20, extend and be provided with to one end opening portion 21 sides: a pair of mounting arm 25A, 25B, it configures abreast with predetermined distance; And spring fitting portion 35, it is configured between two mounting arm 25A, 25B.
Each mounting arm 25A, 25B have: base portion 26, and it uprightly arranges with specified altitude to external diameter direction from sidewall 24; Front end 27, it extends to one end opening portion 21 sides from this base portion 26, protrudes with specific length from this one end opening portion 21; And the pin insertion hole 28 of slotted hole shape, it is formed on this front end 27, along axially extending with specific length of main part 20.
In addition, as shown in Figure 7, interval A between each pin insertion hole 28 of a pair of mounting arm 25A, 25B outer side surface is around formed as, and the interval B1 between the inner side surface of a pair of cursor 41,41 of valve body 40 described later is narrow, and interval B2 between the front-end face of the pair of pin 43A of this valve body 40,43B compare wide (relation of B2<A<B1).
In addition, in this control valve unit 10, as shown in Fig. 3～7, be formed with: pin abutting part 30, it inserts under the state of pin 43B of a side in the pin insertion hole 28 of the mounting arm 25B of a side, the pin 43A of opposite side is positioned in temporarily on the mounting arm 25A of opposite side; And guide portion 31, it is by pin 43A is formed to the plane of inclination of corresponding pin insertion hole 28 sliding guidances from this pin abutting part 30., it can make the pin 43A of opposite side from pin abutting part 30 process guide portion 31 under above-mentioned state, in corresponding pin insertion hole 28, inserts.
Simultaneously with reference to Fig. 3, the pin abutting part 30 of interim mounting pin 43A, with respect to the pin insertion hole 28 of corresponding mounting arm 25A, be configured in the radial direction foreign side of main part 20, and be disposed at the position that is offset with pin insertion hole 28 (in the situation that of present embodiment, the position of moving for one end opening portion 21 lateral deviations to main part 20) in the axial direction of main part 20.In the present embodiment, the front end 27 of mounting arm 25A is cut into L word shape, to form pin abutting part 30.
Between this pin abutting part 30 and above-mentioned pin insertion hole 28, be provided with guide portion 31, it is for guiding to pin insertion hole 28 by pin 43A.This guide portion 31 is made up of following part: the 1st plane of inclination 32, at pin when pin abutting part 30 moves to the position of aliging in the axial direction of main part 20 with pin insertion hole 28 and moves, by the 1st plane of inclination 32; And the 2nd plane of inclination 33, it is axially aligned position and extends to pin insertion hole 28 from this.The 1st plane of inclination 32 is the plane of inclination along uprising gradually towards the axial height of the 2nd plane of inclination 33, the 2nd plane of inclination of plane of inclination 33 for uprising gradually towards the base portion side height of mounting arm 25A.And the opening part of pin insertion hole 28 is in the highest point of the 2nd plane of inclination 33.
In addition, at the outer side surface of mounting arm 25A, on the external side brim of the length direction both sides of above-mentioned pin insertion hole 28, be formed as a pair of anti-floor 34,34 of crossing of raised line, extend along the external diameter direction of main part 20.This prevents that crossing floor 34,34 plays following effects,, by pin 43B to inserting in the pin insertion hole 28 of mounting arm 25B, pin 43A is inserted in the pin insertion hole 28 of mounting arm 25A, utilize guide portion 31 to guide while moving it pin 43A simultaneously, to pin, 43A keeps, and departs from avoiding from guide portion 31, guides reliably thereby will sell 43A to pin insertion hole 28.
As shown in Fig. 3,7, be arranged between mounting arm 25A, 25B and the spring fitting portion 35 of supported spring parts 60, in the present embodiment, be configured in parallel with each mounting arm 25A, 25B and on the position of the mounting arm 25B lateral deviation heart.This spring fitting portion 35 has: base portion 37, and its sidewall 24 from main part 20 uprightly arranges to external diameter direction; And support arm 36, the axis parallel of itself and main part 20 and extending with straight line shape to one end opening portion 21 sides from this base portion 37, compares with the front end of mounting arm 25A, 25B and protrudes longways.
From the side of the mounting arm 25A side of these support arm 36 front ends, protrude spring supporting axle 36a is set with specific length to this mounting arm 25A, it becomes the part of the coil portion 61 that supports spring members 60 described later.At the front end of this spring supporting axle 36a, the spring anti-dropping sheet 36b of semi-circular shape is set, it makes the coil portion 61 of spring members 60 be difficult to depart from from spring supporting axle 36a to the direction bias approaching with main part 20.
In addition, in the mounting arm 25A side of the cardinal extremity of support arm 36, between this support arm 36 and the bump of base portion 37, be provided with spring and keep groove 37a.In addition, as shown in Figure 4, the foot 62 of a side of spring members 60 inserts spring and keeps in groove 37a and prevent from extracting.In addition, Fig. 4 is the oblique drawing representing the part cutting beyond the pin 43A of the cursor 41 of a part for valve body 40 and a side.
On the other hand, the valve body of flap 40 forms the shape corresponding with one end opening portion 21 of main part 20, in the present embodiment, and formation hole enlargement discoideus slightly compared with one end opening portion 21.In the surface side (towards the face side of fuel tank inner side) in the downstream side of this valve body 40, dispose abreast respectively: a pair of cursor 41,41, protrude to external diameter direction on its top from valve body 40, and extending axially along valve body 40; And angle limits portion 44, it is configured between above-mentioned cursor 41,41.
From the bearing of trend front end of above-mentioned a pair of cursor 41,41, relative direction is protruded columned pair of pin 43A, 43B is set towards each other, and they insert to the pin insertion hole 28,28 of above-mentioned each mounting arm 25A, 25B respectively.
In addition, above-mentioned angle limits portion 44, compare with each cursor 25A, 25B and extend longways, its front end is tilted and cuts, in the time that valve body 40 is opened to greatest extent with respect to one end opening portion 21 of main part 20, the outer circumferential face butt of the sidewall 24 of itself and main part 20, limiting valve body 40 is further opened, thereby becomes the part of the maximum open angle of regulation.
As shown in Fig. 2,4,5, with above-mentioned angle limits portion 44 associated ground, the front end of the pin 43A inserting at from the pin insertion hole 28 to mounting arm 25A, form plane of inclination 45, it becomes under the state of the maximum open angle being limited by above-mentioned angle limits portion 44 valve body 40, be close to guide sections 31 until the plane of inclination (being the 2nd plane of inclination 33 here) before pin insertion hole 28.
In addition, as shown in Figure 4, in the central authorities of the surface side of valve body 40 (towards the surface side of fuel tank inner side), protrude spring engagement protuberance 40a is set, it is for by the front end engagement of the foot of the opposite side of spring members 60 62.In the both sides of this spring engagement protuberance 40a, in order to prevent the position skew of foot 62 of opposite side, a pair of floor 40b, 40b are protruded.In addition, spring members 60, remain on above-mentioned spring by insertion and keep the foot 62 of the side in groove 37a and the foot 62 with the opposite side of above-mentioned spring engagement protuberance 40a engagement, valve body 40 is carried out to pretension, so that one end opening portion 21 of main part 20 is normally closed.
In addition, because valve body 40 is supported in the pin insertion hole 28,28 of slotted hole shape of mounting arm 25A, 25B slidably, even so it is swelling to be arranged on the sealing flange being made up of rubber etc. 50 on valve body 40 described later, sealing flange 50 is changed with respect to the sealing station of valve seat 22, also can correspondingly make valve body 40 suitably slip (with reference to Fig. 8) vertically, therefore, can maintain the sealability of valve body 40.And, as noted above, press the central part of valve body 40 owing to utilizing the foot 62 of opposite side of spring members 60, so can not make the valve body 40 of sliding support along the radial position offset of main part 20, can press vertically, can maintain more reliably the sealability of valve body 40 with respect to valve seat 22.
In addition, as shown in Fig. 1,9, in the back side of valve body 40, in order to improve and the sealing of one end opening portion 21 of main part 20, the sealing flange 50 that configuration is made up of rubber, elastomer etc.In the back side of sealing flange 50, further configuration fixed component 52, make to protrude from this fixed component 52 a pair of engagement pawl 52a, the 52a that arrange, by patchhole 50a, the 50a of sealing flange 50, engage with card complex hole 40c, the 40c of both sides of the spring engagement protuberance 40a that is arranged on valve body 40 respectively, thus, between valve body 40 and fixed component 52, sealing flange 50 is clamped and fixes (with reference to Fig. 9).As shown in Figure 9, the outer periphery of sealing flange 50 and valve seat 22 butts, seal with the state that one end opening portion 21 of main part 20 is closed.
In addition, form main part 20 and the valve body 40 of above-mentioned control valve unit 10, except can using the synthetic resin such as polyoxymethylene or polyamide that resistance to fuel breathability is good and rigidity is higher, the synthetic resin such as polyethylene that also can user cost is lower, rigidity is smaller.
Assembly process and the action effect of the control valve unit of the present invention 10 being made up of said structure are described below.
First,, on the spring supporting axle 36a of the spring fitting portion 35 of main part 20, from the coil portion 61 of outside mounting spring parts 60, the foot of one side 62 is inserted to the spring that is supported on main part 20 and keep in groove 37a (with reference to Fig. 4).
Then, in the pin insertion hole 28 of the mounting arm 25B of a side of main part 20, insert the pin 43B of corresponding cursor 41, and, on the pin abutting part 30 of the mounting arm 25A of opposite side, load the pin 43A (with reference to Fig. 4) of corresponding cursor 41 temporarily.Now, make the foot 62 of the opposite side of spring members 60 resist its elastic forces and be out of shape, be configured in the surface side of valve body 40, with the spring engagement protuberance 40a engagement of valve body 40 central authorities.
Then, valve body 40 is rotated to the direction that one end opening portion 21 is opened, until the angle limits portion 44 of valve body 40 and the outer circumferential face butt (with reference to Fig. 4) of sidewall 24 make the angle of inclination of plane of inclination 45 of the front end that is arranged on pin 43A and the angle of inclination of the 2nd plane of inclination 33 of mounting arm 25A corresponding (with reference to Fig. 4,7).
Under this state, as shown in Figure 5, upstream side pressure of pin 43A is entered, stride across the 2nd plane of inclination 33 by the 1st plane of inclination 32, make its slide into cross and prevent floor 34 butts till.In addition, Fig. 5 and Fig. 4 in the same manner, are that the part beyond the pin 43A of the cursor 41 of a part for valve body 40 and a side is cut and the oblique drawing of expression.Now, the cursor 41 of pin 43A side, by being pressed on each plane of inclination 32,33, is opened slightly with respect to the cursor 41 of pin 43B side.
Then, if pin 43A is entered to pin insertion hole 28 side pressures, sell 43A slides mobile on the 2nd plane of inclination 33, if pin 43A crosses the top of the 2nd plane of inclination 33 and arrives pin insertion hole 28, as shown in Figure 6, cursor 41 elastic recoveries of the pin 43A side being open, and, pin 43A is inserted in pin insertion hole 28.In addition, Fig. 6 and Fig. 4,5 in the same manner, are the oblique drawings that the part cutting beyond the pin 43A of the cursor 41 of a part for valve body 40 and a side is represented.
Now, due to the front end at pin 43A, form plane of inclination 45, and valve body 40 is become under the state of the maximum open angle being limited by angle limits portion 44, this plane of inclination be close to guide portion 31 until the plane of inclination of pin insertion hole 28, i.e. the 2nd plane of inclination 33, so can more rationally and successfully carry out the insertion of pin 43A.
As noted above, in the present embodiment, by making pin 43A temporarily move to the position of aliging with pin insertion hole 28 along the 1st plane of inclination 32 in the axial direction of main part 20, then, move to pin insertion hole 28 along the 2nd plane of inclination 33, thus, make the insertion of pin 43A become reasonable, and, make the position between pin abutting part 30 and pin insertion hole 28 approaching as far as possible, and, make the slip moving process of the pin 43A that the plane of inclination that utilizes guide portion 31 carries out long as far as possible, can, to the excessive load of pin 43A effect, can reasonably not insert.
Like this, pair of pin 43A, 43B insert respectively in corresponding pin insertion hole 28,28.Now, as shown in Figure 7, because the interval A between the outer side surface around each pin insertion hole 28 of a pair of mounting arm 25A, 25B is formed as, and the interval B1 between the inner side surface of a pair of cursor 41,41 is narrow, and the interval B2 between the front-end face of pair of pin 43,43 compares wide, so the state that can depart from from pin insertion hole 28,28 at anti-shotpin 43A, 43B, be rotatably mounted valve body 40.
As noted above, in the related control valve unit 10 of present embodiment, under state in the pin insertion hole 28 that pin 43B is inserted to mounting arm 25B, on the pin abutting part 30 of mounting arm 25A, interim mounting is sold after 43A, utilize the guide portion 31 being formed by the 1st plane of inclination 32 and the 2nd plane of inclination 33 to guide this pin 43A,, on one side cursor 41,41 is opened meanwhile, in corresponding pin insertion hole 28, inserted on one side.Thus, can suppress to the load of pair of pin 43A, 43B overaction, utilize reasonable and appropriate power in corresponding pin insertion hole 28,28, to insert respectively, therefore, can prevent reliably breakage or the distortion etc. of pair of pin 43A, 43B.
In addition, do not need as shown in above-mentioned patent documentation 1, pair of pin 43A, 43B to be located exactly, after in the pin insertion hole 28 that pin 43B is inserted to mounting arm 25B, only by pin 43A is positioned on the pin abutting part 30 of mounting arm 25A temporarily, in pin insertion hole 28, insert such simple operations via guide portion 31, just pair of pin 43A, 43B successfully can be inserted in corresponding pin insertion hole, can improve the installation exercise of valve body 40.
And, because pair of pin 43A, 43B are rotatably supported in the grooving shown in above-mentioned patent documentation 1, but insert respectively in the corresponding pin insertion hole 28,28 of mounting arm 25A, 25B, so can prevent under the state departing from, keep securely pair of pin 43A, 43B, can prevent reliably that valve body 40 from departing from from one end opening portion 21 of main part 20.
In addition, because the coil portion 61 of spring members 60 is arranged on the spring supporting axle 36a of spring fitting portion 35 from outside, utilize spring anti-dropping sheet 36b to prevent from departing from and keeping, the foot of one side 62 is inserted in the spring maintenance groove 37a that is supported on main part 20 (with reference to Fig. 4), spring engagement protuberance 40a engagement by the foot of opposite side 62 with valve body 40 central authorities, the installation exercise of valve body 40, so that spring members 60 is difficult to depart from and can keeps securely, can improve in institute.
Figure 10 represents other mode of executions of the valve clack device in the present invention.In addition,, for the part identical in fact with above-mentioned mode of execution, mark identical label, and the description thereof will be omitted.
The related valve clack device 10a of present embodiment is (following, be called " control valve unit 10a "), compared with above-mentioned mode of execution, interim mounting is sold the pin abutting part of 43A, and this pin 43A is guided to shape and the position difference of the guide portion of pin insertion hole 28.
As shown in figure 10, this control valve unit 10a, among a pair of mounting arm 25A, the 25B extending from main part 20, on the outer side surface of the mounting arm 25A of a side, forms the pin abutting part 30 of groove shape.This pin abutting part 30, starts from the upper end of mounting arm 25A to form with certain depth, thereby arrives the height identical with above-mentioned pin insertion hole 28.And, between this pin abutting part 30 and pin insertion hole 28, forming the plane of inclination uprising gradually to the outer surface height of mounting arm 25A from the bottom surface of pin abutting part 30, it becomes the guide portion 31 of pin 43A being carried out to sliding guidance.In addition, in the both side edges up and down of base portion side that is formed at the pin insertion hole 28 on mounting arm 25A, protrude a pair of anti-floor 34,34 of crossing is set.
In addition, on spring supporting axle 36a from the coil portion 61 of outside mounting spring parts 60, and after the foot of a side 62 butts being supported in the spring supporting portion 38 of main part 20, in the pin insertion hole 28 of the mounting arm 25B of a side, insert corresponding pin 43B, and, in the pin abutting part 30 of the groove shape of the mounting arm 25A of opposite side, insert corresponding pin 43A, will sell 43A and load temporarily.Under this state, valve body 40 is rotated, utilize angle limits portion 44, make the angle of inclination of the plane of inclination 45 of pin 43A, corresponding with the angle of inclination of the guide portion 31 of mounting arm 25A.
Under this state, if make pin 43A towards one end opening portion 21 Slideslip downstream, utilize a pair of anti-disengaging of crossing floor 34,34 anti-shotpin 43A, and, pushing cursor 41, make pin 43A slide on the plane of inclination of guide portion 31 mobile simultaneously, in the pin insertion hole 28 of mounting arm 25A, insert.
In the present embodiment, because pin abutting part 30 forms groove shape, so can obtain following advantage, that is, can not make pin 43A depart from, can load securely temporarily.
Claims (3)
1. a valve clack device, it has: the main part of tubular, its inside becomes the stream of liquid; The valve body of flap, it can be opened and closed to be arranged on one end opening portion of this main part; And spring members, the direction pretension that towards described one end of main part opening portion, it always close this valve body,
It is characterized in that,
Described main part has: a pair of mounting arm, and its sidewall from main part extends, and protrudes to described one end opening portion side; And spring fitting portion, it supports described spring members,
Described valve body has: a pair of cursor, and it protrudes from described valve body to external diameter direction; And pair of pin, its front end from this pair of cursor towards each other relative direction protrudes,
Described a pair of mounting arm has respectively the pin insertion hole that described pin is inserted, on the mounting arm of the side in described a pair of mounting arm, have: pin abutting part, it inserts under the state of pin of opposite side in the pin insertion hole of the mounting arm of opposite side, loads the pin of a side temporarily; And guide portion, its by from this pin abutting part until the plane of inclination of corresponding pin insertion hole form,
Interval between the described pin insertion hole of described a pair of mounting arm outer side surface is around formed as, and interval between the inner side surface of described a pair of cursor is narrow, and interval between the front-end face of described pair of pin is compared wide.
2. valve clack device according to claim 1, wherein,
Described pin abutting part, with respect to the pin insertion hole of the mounting arm of a described side, be configured in the radial direction foreign side of described main part, and be disposed on the position being offset with described pin insertion hole in the axial direction of described main part, described guide portion is made up of following part: the 1st plane of inclination, at pin when described pin abutting part moves to the position of aliging in the axial direction of described main part with described pin insertion hole, by the 1st plane of inclination; And the 2nd plane of inclination, it is from extending to described pin insertion hole with this position of axially aligning.
3. valve clack device according to claim 1 and 2, wherein,
On described valve body, be provided for the angle limits portion of the maximum open angle that limits this valve body, front end at the pin that inserts that side in described pin insertion hole along described guide portion forms plane of inclination, in described pin is inserted to described pin insertion hole along described guide portion time, described valve body is become under the state by the maximum open angle of described angle limits portion restriction, this plane of inclination be close to described guide portion until the plane of inclination of described pin insertion hole.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-159308 | 2009-07-03 | ||
| JP2009159308A JP5284202B2 (en) | 2009-07-03 | 2009-07-03 | Flap valve device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101943281A CN101943281A (en) | 2011-01-12 |
| CN101943281B true CN101943281B (en) | 2014-06-25 |
Family
ID=43435421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010223997.9A Active CN101943281B (en) | 2009-07-03 | 2010-07-02 | Valve clack device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5284202B2 (en) |
| CN (1) | CN101943281B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5423923B2 (en) * | 2011-11-08 | 2014-02-19 | トヨタ自動車株式会社 | Fuel tank fueling part structure |
| JP5991810B2 (en) * | 2011-12-09 | 2016-09-14 | 株式会社ニフコ | VALVE DEVICE MANUFACTURING METHOD AND VALVE DEVICE |
| JP5859467B2 (en) * | 2013-01-09 | 2016-02-10 | 株式会社ニフコ | Hole plug |
| WO2015145694A1 (en) * | 2014-03-27 | 2015-10-01 | 株式会社アステア | Non-return valve of fuel filler tube |
| US10344879B2 (en) | 2014-09-26 | 2019-07-09 | Piolax, Inc. | Flap valve apparatus |
| CN107061822B (en) * | 2017-01-10 | 2023-05-16 | 广东省安全生产技术中心有限公司 | Explosion-proof valve for explosive dust environment |
| CN109017281A (en) * | 2018-07-05 | 2018-12-18 | 安徽知之信息科技有限公司 | A kind of new-energy automobile fuel tank flap |
| KR102157016B1 (en) * | 2020-03-16 | 2020-09-16 | 김춘식 | Liquid exhaust device for can container |
| CN112477590A (en) * | 2020-12-04 | 2021-03-12 | 成都伊斯顿过滤器有限公司 | Novel oil tank cover |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6080930A (en) * | 1983-10-12 | 1985-05-08 | Nissan Motor Co Ltd | Oil supply port structure for car fuel tank |
| JPS60138075U (en) * | 1984-02-27 | 1985-09-12 | 栗田工業株式会社 | non-return valve |
| JPH0639177Y2 (en) * | 1990-08-07 | 1994-10-12 | 堀江金属工業株式会社 | Inlet pipe butterfly valve device |
| JP2571958Y2 (en) * | 1991-08-15 | 1998-05-20 | 株式会社荏原製作所 | Swing check valve |
| JP2001263514A (en) * | 2000-03-17 | 2001-09-26 | Nifco Inc | Flap valve |
| US20030116202A1 (en) * | 2001-12-21 | 2003-06-26 | Eaton Corporation | Assembling a siphonable filler tube with a check vlave on a fuel tank |
| US6932100B2 (en) * | 2003-05-23 | 2005-08-23 | Eaton Corporation | Flapper type fill tube check valve |
| JP4621084B2 (en) * | 2005-07-13 | 2011-01-26 | 株式会社パイオラックス | Fuel check valve |
-
2009
- 2009-07-03 JP JP2009159308A patent/JP5284202B2/en active Active
-
2010
- 2010-07-02 CN CN201010223997.9A patent/CN101943281B/en active Active
Non-Patent Citations (3)
| Title |
|---|
| JP平4-41173U 1992.04.08 |
| JP特开2001-263514A 2001.09.26 |
| JP特开2004-345636A 2004.12.09 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5284202B2 (en) | 2013-09-11 |
| CN101943281A (en) | 2011-01-12 |
| JP2011011693A (en) | 2011-01-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101943281B (en) | Valve clack device | |
| CN102066776B (en) | Clip | |
| CN107076322B (en) | Valve clack device | |
| KR100483536B1 (en) | Back-flow preventing valve | |
| US6884349B1 (en) | Oval centerpost and cooperating filter cartridge | |
| JP4621084B2 (en) | Fuel check valve | |
| CN103635731A (en) | Clamp | |
| US9464724B2 (en) | Check valve flapper | |
| RU2019112530A (en) | CROSSMEMBER FOR ROTARY VALVE | |
| KR20140085585A (en) | Fueling portion structure of fuel tank | |
| CN100417853C (en) | Valve | |
| CN104755821A (en) | Leveling valve | |
| CN102205504A (en) | Tool holoding and converying chain | |
| US20160040799A1 (en) | Check valve housing | |
| EP3023676B1 (en) | Check valves | |
| CN102440575B (en) | Gas cylinder with rotation and irrotation | |
| KR101429616B1 (en) | Leak detector | |
| CN102525330A (en) | Fluid damping hinge | |
| JP2014081031A (en) | Fastener | |
| JP4342967B2 (en) | Immersion nozzle for continuous casting | |
| US10837565B2 (en) | Check valve with integrated filter | |
| CN102135202B (en) | Valve body for opening and closing flow path | |
| CN107407327B (en) | End cap and the linear guide device for having the end cap | |
| JP2002031289A (en) | Pipe laying method | |
| JP5889089B2 (en) | Gas stopper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |