CN101943281A - The clack valve device - Google Patents

The clack valve device Download PDF

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Publication number
CN101943281A
CN101943281A CN2010102239979A CN201010223997A CN101943281A CN 101943281 A CN101943281 A CN 101943281A CN 2010102239979 A CN2010102239979 A CN 2010102239979A CN 201010223997 A CN201010223997 A CN 201010223997A CN 101943281 A CN101943281 A CN 101943281A
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China
Prior art keywords
pin
insertion hole
pair
mounting arm
pin insertion
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CN2010102239979A
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CN101943281B (en
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古谷仁
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Piolax Inc
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Piolax Inc
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Abstract

The invention provides a kind of clack valve device, it can not make clack valve produce fractureing of pin etc. with respect to main part, and can successfully install.This clack valve device has main part, valve body and spring members, main part has mounting arm (25A, 25B) and spring assembly department, valve body has cursor and pin (43A, 43B), each arm has pin insertion hole respectively, on mounting arm (25A), have: the pin abutting part, it inserts in the pin insertion hole of mounting arm (25A) under the state of pin (43B), interim mounting pin (43A); And guide portion, it extends to pin insertion hole from this pin abutting part, interval between the outer side surface around the pin insertion hole of mounting arm (25A, 25B) forms, and the interval narrow between the inner side surface of cursor, compares broad with the interval between the front-end face of pin (43A, 43B).

Description

The clack valve device
Technical field
The present invention relates to a kind of clack valve device, it is suitable as the safety check on the opening portion that is installed in the fuel ascending pipe that for example is connected with the fuel tank of automobile etc.
Background technique
For example on the fuel tank of automobile, connect the fuel ascending pipe that links with oil-feed port, on the opening of the downstream side of this fuel ascending pipe,, dispose the clack valve device sometimes as safety check.When fuel feeding, clack valve is opened, and fuel is flowed in fuel tank, and behind fuel feeding, clack valve is closed, and prevents fuel adverse current in the fuel ascending pipe.
As this clack valve device, in following patent documentation 1, following clack valve 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; Carriage (projection), this clack valve of its rotational support; And torsion spring, its with above-mentioned clack valve to the closing direction pretension.
Above-mentioned carriage uprightly is provided with Rack to the external diameter direction from fuel ascending pipe opening periphery, and, form from the grooving of its back side to the axially extended undercut groove shape of fuel ascending pipe.Width direction one sidepiece of grooving extends to the face side of carriage, and thus, width direction one sidepiece of carriage 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), the inboard protrusion of its front end from each arm is provided with.
In addition, behind the inside of the coil portion of torsion spring being accommodated width direction one sidepiece that remains on carriage, pair of pin is positioned at the end, both sides of the back side of grooving, then clack valve is pulled to fuel ascending pipe opening side.Like this, with a pin compare to width direction one sidepiece of above-mentioned grooving and with the retaining part of spring members the outside the end in be pressed in week, another pin is pressed in the end of the other side of the width direction of this grooving in week, on fuel ascending pipe opening portion, clack valve can be installed with opening and closing.
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 the groove shape that cuts from the back side of carriage, so be difficult to pair of pin is located on the end, both sides of the back side of grooving exactly.In addition, under the situation that pair of pin never is pressed into the grooving positions aligning, 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, make under pin and the situation that grooving aligns accurately, 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 the carriage, owing to pair of pin is pressed into from the back side, so become the state of back side opening.Because the pair of pin rotational support is on this grooving, so, pair of pin may be extracted from grooving, thereby clack valve is come off under the situation of the stronger external force of clack valve effect etc.
Therefore, the objective of the invention is to, a kind of clack valve 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 clack valve device, it has: cylindrical main body portion, and its inside becomes the stream of liquid; The valve body of flap, it can be installed in the end opening portion of this main part with opening and closing; And spring members, its always with this valve body towards a described end opening portion of main part, the direction pretension of promptly closing, it is characterized in that described main part has: a pair of mounting arm, its sidewall from main part extends, and protrudes to a described end opening portion side; And the spring assembly department, it supports described spring members, and described valve body has: a pair of cursor, it extends to foreign side almost parallel ground; And pair of pin, it protrudes from the relative towards each other direction of the front end of this a pair of cursor, described a pair of mounting arm has the pin insertion hole that described pin is inserted respectively, have on the mounting arm of the side in described a pair of mounting arm: the pin abutting part, it inserts in the pin insertion hole of the mounting arm of opposite side under the state of pin of a side, the pin of interim mounting opposite side; And guide portion, it is by constituting from this pin abutting part plane of inclination till pairing pin insertion hole, interval between the outer side surface around the described pin insertion hole of described a pair of mounting arm forms, and the interval narrow between the inner side surface of described a pair of cursor is compared broad with the interval between the front-end face of described pair of pin.
In the present invention, preferred described pin abutting part, pin insertion hole with respect to the mounting arm of a described side, be configured in the radial direction foreign side of described main part, and be disposed at described main part axially on the position of described pin insertion hole skew on, described guide portion is made of following part: the 1st plane of inclination, pin move to from described pin abutting part with described pin insertion hole described main part axially on during positions aligning, 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 limiting the angle limits portion of the maximum open angle of this valve body, front end at described pin forms the plane of inclination, with described pin when described guide portion is inserted in the described pin insertion hole, described valve body is become under the state by the maximum open angle of described angle limits portion restriction, and the plane of inclination till described pin insertion hole of described guide portion is close in this plane of inclination.
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, a pair of cursor is opened slightly,, in pairing pin insertion hole, inserted Yi Bian pin is moved on the inclined-plane.
Like this, if owing to insert two pins in the pin insertion hole respectively, then the interval between the outer side surface around the pin insertion hole of a pair of mounting arm forms, and the interval narrow between the inner side surface of a pair of cursor, compare broad with the interval between the front-end face of pair of pin, so can prevent that shotpin breaks away from from patchhole, thereby be rotatably mounted valve body.
As noted above, under the state that inserts at pin in the pairing pin insertion hole with a side, the pin of opposite side is positioned on the abutting part temporarily, under this state, this pin is slided along the inclined-plane of guide portion, insert to pairing pin insertion hole, so can be to the load of pair of pin overaction, can be rationally and successfully insert in the pairing pin insertion hole, can improve the installation exercise of valve body, and, can prevent the breakage of shotpin or distortion etc. reliably.
Description of drawings
Fig. 1 is the exploded perspective view of a mode of execution of expression clack valve device of the present invention.
Fig. 2 is the oblique drawing that constitutes the valve body of this clack valve device.
Fig. 3 be this clack valve device want portion's oblique drawing.
Fig. 4 is illustrated in this clack valve device, under the state of the pin that in the pin insertion hole of the mounting arm of opposite side, inserts a side, the pin of opposite side is positioned in temporarily the state on the mounting arm of a side, expression is with the oblique drawing of the part cutting of the cursor of a valve body and a side.
Fig. 5 is illustrated in this clack valve device, and from the state that state shown in Figure 4 slides the pin of opposite side, expression is with the oblique drawing of the part cutting of the cursor of a valve body and a side.
Fig. 6 is illustrated in this clack valve device, and with the state the pin insertion pin insertion hole of opposite side, expression is with the oblique drawing of the part cutting of the cursor of a valve body and a side from state shown in Figure 5.
Fig. 7 is the explanatory drawing of overlooking of this clack valve device.
Fig. 8 is the side-looking explanatory drawing of this clack valve device.
Fig. 9 is the explanatory drawing that expression is installed in this clack valve device the state on the fuel tank.
Figure 10 is the exploded perspective view of other mode of executions of expression clack valve device of the present invention.
Embodiment
Below, with reference to accompanying drawing, a mode of execution of clack valve device involved in the present invention is described.
As shown in Figure 9, clack valve device 10 in the present embodiment (below, being called " control valve unit 10 ") the check valve use acts as a fuel, be installed in fuel tank fuel ascending pipe P (below, be called " ascending pipe P ") the downstream side, play following effect: make the fuel that injects in ascending pipe P from the oil-feed port of ascending pipe upstream side, P flows in fuel tank by ascending pipe, and the fuel that prevents to flow in fuel tank is to ascending pipe side adverse current.In the following description, so-called " upstream side " and " downstream side ", the direction that expression fuel flows, specifically, in ascending pipe P, as the downstream side, a side (with the opposition side of control valve unit 10) that ascending pipe P is connected oil-feed port describes as upstream side with a side that control valve unit 10 is set.
As shown in Figure 1, the control valve unit 10 in the present embodiment has: cylindrical main body portion 20, its inner stream that forms liquid; The valve body 40 of flap, it can be installed in the end opening portion 21 of this main part 20 with opening and closing; And spring members 60, its always with this valve body 40 to an end opening portion 21 of main part 20, the direction pretension of promptly closing.
In addition, the main part in the present embodiment 20 is installed on the downstream side opening of above-mentioned ascending pipe P via fuel tank assembly 70.Shown in Fig. 1,9, this fuel tank assembly 70, the end in its downstream side forms the main body connecting tube 71 to the upstream side opening portion insertion of main part 20, the end of upstream side forms the ascending pipe connecting tube 73 that inserts to the downstream side of above-mentioned ascending pipe P (with reference to Fig. 9) opening portion, 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 installed in the downstream side of ascending pipe P via above-mentioned fuel tank assembly 70, but also can be with ascending pipe P itself as main part involved in the present invention, go up directly installation valve body 40 at its downstream side opening portion (in the case, being an end opening portion of the present invention).
Get back to explanation to main part 20, this main part 20 forms the roughly cylindric of the equal opening of upstream side and downstream side, the downstream side opening portion becomes an end opening portion 21, as the part that valve body 40 is installed, the perisporium front end of these end opening portion 21 peripheries become make valve body 40 approaching with it/valve seat 22 that separates.In addition, the hole enlargement slightly of the upstream-side-end of main part 20, and, go up to form the stepped part 23 (with reference to Fig. 9) chimeric within it week with the main body connecting tube 71 of above-mentioned fuel tank assembly 70.
Shown in Fig. 1,3,8, on all direction dictates position of the sidewall 24 of main part 20, extend to an end opening portion 21 sides and to be provided with: a pair of mounting arm 25A, 25B, it disposes abreast with predetermined distance; And spring assembly department 35, it is configured between two mounting arm 25A, the 25B.
Each mounting arm 25A, 25B have: base portion 26, and it uprightly is provided with specified altitude to the external diameter direction from sidewall 24; Front end 27, it extends to an end opening portion 21 sides from this base portion 26, protrudes with specific length from this 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.
Pin insertion hole 28,28 in the present embodiment is separately positioned on the Lower Half (part approaching with the sidewall 24 of main part 20) of front end 27, and two pin insertion holes 28,28 are in the alignment axially and on the external diameter direction of main part 20 and dispose.And in the pin insertion hole 28,28 of slotted hole shape, that inserts valve body 40 described later respectively respectively sells 43A, 43B, becomes to keep this pin 43A, 43B vertically slidably, and it is carried out the part (with reference to Fig. 8) of rotational support.
In addition, as shown in Figure 7, interval A between the outer side surface around each pin insertion hole 28 of a pair of mounting arm 25A, 25B forms, and interval B 1 narrow between the inner side surface of a pair of cursor 41,41 of valve body 40 described later is compared broad (relation of B2<A<B 1) with interval B2 between the front-end face of pair of pin 43A, the 43B of this valve body 40.
In addition, in this control valve unit 10, shown in Fig. 3~7, be formed with: pin abutting part 30, it inserts in the pin insertion hole 28 of the mounting arm 25B of a side under the state of pin 43B of a side, and the pin 43A of opposite side is positioned on the mounting arm 25A of opposite side temporarily; And guide portion 31, it constitutes from the plane of inclination of this pin abutting part 30 to pairing pin insertion hole 28 sliding guidances by selling 43A.That is, it is used under above-mentioned state, and the pin 43A that can make opposite side inserts in pairing pin insertion hole 28 from pin abutting part 30 process guide portion 31.
Simultaneously with reference to Fig. 3, the pin abutting part 30 of interim mounting pin 43A, pin insertion hole 28 with respect to pairing mounting arm 25A, be configured in the radial direction foreign side of main part 20, and be disposed at main part 20 axially on the position (under the situation in present embodiment, being the position of moving to an end opening portion 21 lateral deviations of main part 20) of pin insertion hole 28 skews.In the present embodiment, the front end 27 of mounting arm 25A is cut into L word shape, to form pin abutting part 30.
Be provided with guide portion 31 between this pin abutting part 30 and above-mentioned pin insertion hole 28, it is used for pin 43A is guided to pin insertion hole 28.This guide portion 31 is made of following part: the 1st plane of inclination 32, pin move to from pin abutting part 30 with pin insertion hole 28 main part 20 axially on positions aligning when moving, by the 1st plane of inclination 32; And the 2nd plane of inclination 33, it is axially aligned the position from this and extends to pin insertion hole 28.The plane of inclination of the 1st plane of inclination 32 for uprising gradually along axial height towards the 2nd plane of inclination 33, the plane of inclination that the 2nd plane of inclination 33 uprises gradually for the base portion side height towards 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,, on the external side brim of the length direction both sides of above-mentioned pin insertion hole 28, form a pair of anti-floor 34,34 of crossing of raised line, extend along the external diameter direction of main part 20 at the outer side surface of mounting arm 25A.Should anti-cross floor 34,34 and play following effects, promptly, in the pin insertion hole 28 of mounting arm 25B, insert will selling 43B, pin 43A is inserted in the pin insertion hole 28 of mounting arm 25A, when utilizing 31 pairs of pins of guide portion 43A channeling conduct to move it simultaneously, 43A keeps to pin, to avoid from guide portion 31 disengagings, guides to pin insertion hole 28 reliably thereby will sell 43A.
Shown in Fig. 3,7, be arranged between mounting arm 25A, the 25B and the spring assembly department 35 of supported spring parts 60, in the present embodiment, be configured in parallel and on the position of the mounting arm 25B lateral deviation heart with each mounting arm 25A, 25B.This spring assembly department 35 has: base portion 37, and its sidewall 24 from main part 20 uprightly is provided with to the external diameter direction; And support arm 36, the axis parallel of itself and main part 20 and extend with straight line shape to an end opening portion 21 sides from this base portion 37 is compared with the front end of mounting arm 25A, 25B and is protruded longways.
From the side of the mounting arm 25A side of these support arm 36 front ends, protrude with specific length to this mounting arm 25A spring back shaft 36a is set, it becomes the part of the coil portion 61 that supports spring members 60 described later.At the front end of this spring back shaft 36a, the anti-flake 36b of spring of semi-circular shape is set, it makes the coil portion 61 of spring members 60 be difficult to break away from from spring back shaft 36a to the direction off-centre approaching with main part 20.
In addition, in the mounting arm 25A side of the cardinal extremity of support arm 36, between the bump of this support arm 36 and base portion 37, be provided with spring and keep groove 37a.In addition, as shown in Figure 4, the foot of a side of spring members 60 62 inserts springs and keeps among the groove 37a and prevent to extract.In addition, Fig. 4 is the oblique drawing of expression with the cutting of the part beyond the pin 43A of the cursor 41 of the part of valve body 40 and a side.
On the other hand, the valve body 40 of flap forms an end opening portion 21 corresponding shape with main part 20, in the present embodiment, forms and compares the discoideus of hole enlargement slightly with an end opening portion 21.Surface side (the face side towards the fuel tank inboard) in the downstream side of this valve body 40, dispose respectively abreast: a pair of cursor 41,41, protrude to the 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 the above-mentioned cursor 41,41.
From the bearing of trend front end of above-mentioned a pair of cursor 41,41, relative towards each other direction is protruded columned pair of pin 43A, 43B is set, 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 to extend longways, its front end cuts with being tilted, when an end opening portion 21 that makes valve body 40 with respect to main part 20 opens to greatest extent, 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.
Shown in Fig. 2,4,5, with above-mentioned angle limits portion 44 related ground, the front end of the pin 43A that inserts at pin insertion hole 28 to mounting arm 25A, form plane of inclination 45, it becomes under the state by the maximum open angle of above-mentioned angle limits portion 44 restrictions valve body 40, the plane of inclination (being the 2nd plane of inclination 33 here) before pin insertion hole 28 of being close to guide sections 31.
In addition, as shown in Figure 4, in the central authorities of the surface side (surface side towards the fuel tank inboard) of valve body 40, protrude and spring clip is set ends protuberance 40a, it is used for the front end card of the foot 62 of the opposite side of spring members 60 is ended.In the both sides that this spring clip ends protuberance 40a,, a pair of floor 40b, 40b are protruded for the position deflection of the foot 62 that prevents opposite side.In addition, spring members 60, remain on above-mentioned spring by insertion and keep the foot 62 of the side among the groove 37a and the foot 62 of ending the opposite side that protuberance 40a card ends, valve body 40 is carried out pretension, so that an end opening portion 21 of main part 20 is normally closed with above-mentioned spring clip.
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 be installed in sealing flange 50 swellings that constitute by rubber etc. on the valve body 40 described later, sealing flange 50 is changed with respect to the sealing station of valve seat 22, also can make valve body 40 suitably slip (with reference to Fig. 8) vertically therewith accordingly, therefore, can keep the sealability of valve body 40.And, as noted above, push the central part of valve body 40 owing to utilize the foot 62 of the opposite side of spring members 60, so can not make the radial position offset of the valve body 40 of sliding support along main part 20, can push vertically, can keep the sealability of valve body 40 more reliably with respect to valve seat 22.
In addition, shown in Fig. 1,9, in the back side of valve body 40, in order to improve the sealing with an end opening portion 21 of main part 20, the sealing flange 50 that configuration is made of rubber, elastomer etc.Back side at sealing flange 50, further dispose fixed component 52, make from this fixed component 52 and protrude a pair of engaging pawl 52a, the 52a that is provided with, patchhole 50a, 50a by sealing flange 50, engage with card complex hole 40c, the 40c that the spring clip that is arranged on valve body 40 ends the both sides of protuberance 40a respectively, thus, between valve body 40 and fixed component 52, with sealing flange 50 clampings and fixing (with reference to Fig. 9).As shown in Figure 9, the outer periphery of sealing flange 50 and valve seat 22 butts seal with an end opening portion 21 closing state with main part 20.
In addition, constitute the main part 20 and the valve body 40 of above-mentioned control valve unit 10, except using the good and rigidity of anti-fuel breathability than the synthetic resin such as higher polyoxymethylene or polyamide, synthetic resin such as polyethylene that also can user cost is lower, rigidity is smaller.
Below, the assembly process and the action effect of the control valve unit of the present invention 10 that is made of said structure are described.
At first, on the spring back shaft 36a of the spring assembly department 35 of main part 20,, the foot 62 of one side is inserted the spring that is supported on main part 20 keep among the groove 37a (with reference to Fig. 4) from the coil portion 61 of outside mounting spring parts 60.
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, the pin 43A (with reference to Fig. 4) of the cursor 41 of interim mounting correspondence.At this moment, make spring members 60 opposite side foot 62 its elastic forces of opposing and be out of shape, be configured in the surface side of valve body 40, end protuberance 40a card with the spring clip of valve body 40 central authorities and end.
Then, valve body 40 is rotated to the direction that an end opening portion 21 is opened, till the outer circumferential face butt of the angle limits portion 44 of valve body 40 and sidewall 24 (with reference to Fig. 4), make the angle of inclination corresponding with the angle of inclination of the 2nd plane of inclination 33 of mounting arm 25A (with reference to Fig. 4,7) of the plane of inclination 45 of the front end that is arranged on pin 43A.
Under this state, as shown in Figure 5, will sell 43A side pressure upstream and go into, stride across the 2nd plane of inclination 33 by the 1st plane of inclination 32, it is slid into and crosses to prevent till floor 34 butts.In addition, Fig. 5 and Fig. 4 are that the part beyond the pin 43A of the cursor 41 of the part of valve body 40 and a side is cut and the oblique drawing of expression in the same manner.At this moment, the cursor 41 of pin 43A side is opened with respect to the cursor 41 of pin 43B side slightly by being pressed on each plane of inclination 32,33.
Then, if will sell 43A goes into to pin insertion hole 28 side pressures, then selling 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, then as shown in Figure 6, cursor 41 elastic recoveries of the pin 43A side that is open, and, pin 43A is inserted in pin insertion hole 28.In addition, Fig. 6 and Fig. 4,5 are with the part cutting beyond the pin 43A of the cursor 41 of the part of valve body 40 and a side and the oblique drawing of expression in the same manner.
At this moment, because front end at pin 43A, form plane of inclination 45, and valve body 40 is become under the state of the maximum open angle that is limited by angle limits portion 44, the plane of inclination till pin insertion hole 28 of guide portion 31 is close in this plane of inclination, i.e. the 2nd plane of inclination 33 is so can more rationally and successfully carry out the insertion of pin 43A.
As noted above, in the present embodiment, by make pin 43A temporarily along the 1st plane of inclination 32 move to main part 20 axially on pin insertion hole 28 positions aligning, 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 the 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 can reasonably not insert to the excessive load of pin 43A effect.
Like this, pair of pin 43A, 43B insert respectively in the pairing pin insertion hole 28,28.At this moment, 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 forms, and the interval B1 narrow between the inner side surface of a pair of cursor 41,41, compare broad with the interval B2 between the front-end face of pair of pin 43,43, so can under the state that anti-shotpin 43A, 43B break away from from pin insertion hole 28,28, be rotatably mounted valve body 40.
As noted above, in the related control valve unit 10 of present embodiment, under the state in the pin insertion hole 28 that will sell 43B insertion mounting arm 25B, behind interim mounting pin 43A on the pin abutting part 30 of mounting arm 25A, guide portion 31 this pin of guiding 43A that utilization is made of the 1st plane of inclination 32 and the 2nd plane of inclination 33, simultaneously, on one side cursor 41,41 is opened, in pairing pin insertion hole 28, insert on one side.Thus, can suppress load, utilize reasonable and appropriate power in pairing pin insertion hole 28,28, to insert respectively, therefore, can prevent the breakage of pair of pin 43A, 43B or distortion etc. reliably to pair of pin 43A, 43B overaction.
In addition, do not need shown in above-mentioned patent documentation 1, pair of pin 43A, 43B to be located exactly, after in the pin insertion hole 28 that will sell 43B insertion mounting arm 25B, only by will sell on the pin abutting part 30 that 43A is positioned in 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 the pairing pin insertion hole, can improve the installation exercise of valve body 40.
And, because pair of pin 43A, 43B are not that rotational support is in the grooving shown in the above-mentioned patent documentation 1, but insert respectively in the pin insertion hole 28,28 of correspondence of mounting arm 25A, 25B, so can be under the state that prevents to break away from, keep pair of pin 43A, 43B securely, can prevent reliably that valve body 40 breaks away from from an end opening portion 21 of main part 20.
In addition, because the coil portion 61 of spring members 60 is installed on the spring back shaft 36a of spring assembly department 35 from the outside, utilize the anti-flake 36b of spring to prevent to break away from and keep, the foot 62 of one side is inserted among the spring maintenance groove 37a that is supported on main part 20 (with reference to Fig. 4), protuberance 40a card is only ended in the foot 62 of opposite side and the spring clip of valve body 40 central authorities, the installation exercise of valve body 40 can improve so that spring members 60 is difficult to break away from and can keeps securely in institute.
Figure 10 represents other mode of executions of the clack valve device among the present invention.In addition, for the part identical in fact, mark identical label, and omit its explanation with above-mentioned mode of execution.
The related clack valve device 10a of present embodiment (below, be called " control valve unit 10a "), compare with above-mentioned mode of execution, the pin abutting part of interim mounting pin 43A, and will sell shape and the position difference that 43A guides to 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 that extend 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 sells abutting part 30, begins 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 from the bottom surface of pin abutting part 30 to the plane of inclination that the outer surface height of mounting arm 25A uprises gradually, it becomes the guide portion 31 of pin 43A being carried out sliding guidance.In addition, on the both side edges up and down of the base portion side that is formed at the pin insertion hole 28 on the mounting arm 25A, protrusion is provided with a pair of anti-floor 34,34 of crossing.
In addition, on spring back shaft 36a from the coil portion 61 of outside mounting spring parts 60, and after foot's 62 butts of a side being supported on the spring supporting portion 38 of main part 20, in the pin insertion hole 28 of the mounting arm 25B of a side, insert pairing pin 43B, and, in the pin abutting part 30 of the groove shape of the mounting arm 25A of opposite side, insert pairing pin 43A, will sell the interim mounting of 43A.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 an end opening portion 21 side slip downstream, then utilize a pair of anti-disengaging of crossing floor 34,34 anti-shotpin 43A, and, pushing cursor 41, pin 43A is slided on the plane of inclination of guide portion 31 move, in the pin insertion hole 28 of mounting arm 25A, insert.
In the present embodiment,,, that is, pin 43A is broken away from, can carry out interim mounting securely so can obtain following advantage because pin abutting part 30 forms the groove shape.

Claims (3)

1. clack valve device, it has: cylindrical main body portion, its inside becomes the stream of liquid; The valve body of flap, it can be installed in the end opening portion of this main part with opening and closing; And spring members, its always with this valve body towards a described end opening portion of main part, the direction pretension of promptly closing,
It is characterized in that,
Described main part has: a pair of mounting arm, and its sidewall from main part extends, and protrudes to a described end opening portion side; And the spring assembly department, it supports described spring members,
Described valve body has: a pair of cursor, and it extends to foreign side almost parallel ground; And pair of pin, it protrudes from the relative towards each other direction of the front end of this a pair of cursor,
Described a pair of mounting arm has the pin insertion hole that described pin is inserted respectively, have on the mounting arm of the side in described a pair of mounting arm: the pin abutting part, it inserts in the pin insertion hole of the mounting arm of opposite side under the state of pin of a side, the pin of interim mounting opposite side; And guide portion, it is by constituting from this pin abutting part plane of inclination till pairing pin insertion hole,
Interval between the outer side surface around the described pin insertion hole of described a pair of mounting arm forms, and the interval narrow between the inner side surface of described a pair of cursor, compares broad with the interval between the front-end face of described pair of pin.
2. clack valve device according to claim 1, wherein,
Described pin abutting part, pin insertion hole with respect to the mounting arm of a described side, be configured in the radial direction foreign side of described main part, and be disposed at described main part axially on the position of described pin insertion hole skew on, described guide portion is made of following part: the 1st plane of inclination, pin move to from described pin abutting part with described pin insertion hole described main part axially on during positions aligning, 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. clack valve device according to claim 1 and 2, wherein,
On described valve body, be provided for limiting the angle limits portion of the maximum open angle of this valve body, front end at described pin forms the plane of inclination, with described pin when described guide portion is inserted in the described pin insertion hole, described valve body is become under the state by the maximum open angle of described angle limits portion restriction, and the plane of inclination till described pin insertion hole of described guide portion is close in this plane of inclination.
CN201010223997.9A 2009-07-03 2010-07-02 Valve clack device Expired - Fee Related CN101943281B (en)

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JP2009159308A JP5284202B2 (en) 2009-07-03 2009-07-03 Flap valve device
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103998838A (en) * 2011-12-09 2014-08-20 株式会社利富高 Valve device
CN104903632A (en) * 2013-01-09 2015-09-09 株式会社利富高 Hole plug
CN107076322A (en) * 2014-09-26 2017-08-18 百乐仕株式会社 Valve clack device

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3269577A1 (en) * 2011-11-08 2018-01-17 Toyota Jidosha Kabushiki Kaisha Fueling portion structure of fuel tank
JP6408560B2 (en) * 2014-03-27 2018-10-17 株式会社アステア Check valve for fuel supply pipe
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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0441173U (en) * 1990-08-07 1992-04-08
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
JP2004345636A (en) * 2003-05-23 2004-12-09 Eaton Corp Assembly of check valve for filler tube and method for forming this valve
US20070012365A1 (en) * 2005-07-13 2007-01-18 Piolax Inc. Fuel check valve

Family Cites Families (3)

* Cited by examiner, † Cited by third party
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
JP2571958Y2 (en) * 1991-08-15 1998-05-20 株式会社荏原製作所 Swing check valve

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0441173U (en) * 1990-08-07 1992-04-08
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
JP2004345636A (en) * 2003-05-23 2004-12-09 Eaton Corp Assembly of check valve for filler tube and method for forming this valve
US20070012365A1 (en) * 2005-07-13 2007-01-18 Piolax Inc. Fuel check valve

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103998838A (en) * 2011-12-09 2014-08-20 株式会社利富高 Valve device
CN103998838B (en) * 2011-12-09 2016-03-02 株式会社利富高 Control valve unit
CN104903632A (en) * 2013-01-09 2015-09-09 株式会社利富高 Hole plug
CN104903632B (en) * 2013-01-09 2016-11-02 株式会社利富高 Stopple
US9494234B2 (en) 2013-01-09 2016-11-15 Nifco, Inc. Hole plug
CN107076322A (en) * 2014-09-26 2017-08-18 百乐仕株式会社 Valve clack device
CN107076322B (en) * 2014-09-26 2019-11-29 百乐仕株式会社 Valve clack device

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