Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60G—VEHICLE SUSPENSION ARRANGEMENTS
  • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
  • B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
  • B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
  • B60G17/052—Pneumatic spring characteristics
  • B60G17/0523—Regulating distributors or valves for pneumatic springs
  • B60G17/0528—Pressure regulating or air filling valves
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
  • F16L37/00—Couplings of the quick-acting type
  • F16L37/28—Couplings of the quick-acting type with fluid cut-off means
  • F16L37/30—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
  • F16F1/00—Springs
  • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
  • F16F1/04—Wound springs
  • F16F1/12—Attachments or mountings
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60G—VEHICLE SUSPENSION ARRANGEMENTS
  • B60G2500/00—Indexing codes relating to the regulated action or device
  • B60G2500/20—Spring action or springs
  • B60G2500/204—Pressure regulating valves for air-springs

Definitions

• the present invention relates to a valve holding member that holds a valve for opening and closing a fluid passage of a pipe joint, and more particularly to a valve holding member in which a sheet metal force is also formed.
• a hub portion having a guide hole through which the valve system passes and a wall portion of the fluid passage extending radially outward from the periphery of the hub portion.
• a valve holding member is used that is stopped and has a plurality of arms that support the hub in the center of the fluid passage. The valve is set so that the valve head is pressed against a valve seat formed on the wall surface of the fluid passage by a coil spring set around the valve stem between the hub portion and the valve head.
• valve holding member characterized by being formed by a single sheet metal force (Japanese Utility Model Publication No. 55-33091).
• This valve holding member has the advantage that it can be manufactured at low cost.
• this sheet metal valve holding member requires three arm portions to stably hold the valve, and has a problem that resistance to the fluid passing through the fluid passage is large.
• the present invention provides a sheet metal valve holding member that can reduce the flow path resistance as much as possible and can stably hold the valve. Objective.
• the present invention provides:
• a valve holding member formed from a sheet metal cover for holding a valve for opening and closing a fluid passage of a pipe joint so as to be displaceable along the fluid passage,
• a hub portion having a guide hole for passing a valve stem of the valve;
• the hub portion is provided so as to be opposed to each other in the diameter direction of the hub portion, extends from the periphery in the axial direction and radially outward with respect to the axis of the valve stem, and the tip is locked to the peripheral wall of the fluid passage.
• a valve holding member is provided.
• the tip partial force of the arm portion can be made wider than the portion extending from the hub portion of the arm portion.
• the hub portion is a circular portion that comes into contact with one end of a coil panel that is set around the valve system in order to urge the valve toward the fluid passage closed position, and the circular portion The position force which opposes in the diametrical direction of the peripheral edge extends to the outside, and the tip force of the arm portion can be extended.
• the arm portion is axially adjacent to the outer peripheral surface of one end portion of the coil panel that is in contact with the circular shape portion from a position opposed in the diameter direction of the peripheral edge of the circular portion of the hub.
• Direction It is possible to have a plurality of spring locking portions extending in opposite directions.
• a first bulge reinforcing portion formed to bulge in the radial direction of the arm portion along the length direction of the arm portion, and extends from the hub portion in the axial direction around the guide hole
• the cylindrical reinforcing portion formed in this manner and the hub portion can be rubbed so as to have one of the deviations of the second raised reinforcing portion formed so as to rise in the axial direction.
• the first and second raised reinforcing portions can be continuously formed.
• the arm portion has a tip edge engageable with an annular locking step portion formed on an inner wall of the fluid passage of the pipe joint, and the locking step is provided at an intermediate portion of the tip edge. It is possible to have a non-engaging portion that does not engage with the portion.
• the inner angle formed by the hub portion and the arm portion is approximately 90 ° when the sheet metal valve holding member is attached to the pipe joint.
• the valve holding member basically, by using two arm portions, the channel resistance can be reduced as compared with the conventional one.
• the tip portion of the arm portion is wide, the valve holding member can be stably held with respect to the pipe joint. it can.
• the hub portion by configuring the hub portion from a circular portion and an arm connecting portion, the area of the hub portion occupying the cross section of the flow path can be reduced, and the flow path resistance can also be reduced in this respect.
• the internal angle between the hub and the arm is almost right, so that the two arms can maintain sufficient pressure resistance against the force received from the fluid. It becomes.
• the pressure resistance against the fluid can be improved even though the valve holding member is made of sheet metal.
• the non-engaging portion at the arm tip portion the engagement with the inner wall locking step portion of the pipe joint can be ensured even if the arm is deformed.
• FIG. La is a cross-sectional side view of a plug side of a pipe joint to which a sheet metal valve holding member according to a first embodiment of the present invention is applied.
• FIG. Lb A right side view of Fig. La.
• FIG. 2a is a front view of a sheet metal valve holding member used in the pipe joint of FIG. La.
• FIG. 2b is a cross-sectional view of the sheet metal noble holding member taken along the line lib-lib.
• FIG. 3a is a front view of a sheet metal valve holding member according to a second embodiment of the present invention.
• FIG. 3b is a cross-sectional view of the sheet metal valve holding member taken along the line Illb-Ilb.
• FIG. 4a is a front view of a sheet metal valve holding member according to a third embodiment of the present invention.
• FIG. 4b is a cross-sectional view taken along the line IVb-IVb of the sheet metal noble holding member.
• FIG. 5a is a front view of a sheet metal valve holding member according to a fourth embodiment of the present invention.
• FIG. 5b is a cross-sectional view taken along the line Vb-Vb of the sheet metal knob holding member.
• FIG. 6a is a front view of a conventional sheet metal valve holding member.
• FIG. 6b is a cross-sectional view taken along line VIb-VIb of the sheet metal noble holding member.
• FIG. 7a is a front view of the sheet metal valve holding member according to the first embodiment for comparing the fronts of the sheet metal valve holding member according to the first embodiment and the conventional sheet metal valve holding member.
• FIG. 7b is a front view of a conventional sheet metal valve holding member for comparing the fronts of the sheet metal valve holding member according to the first embodiment and the conventional sheet metal valve holding member.
• Fig. La is a cross-sectional configuration diagram of a male joint 1 employing a sheet metal valve holding member according to an embodiment of the present invention
• Fig. Lb is a right side view of Fig. La.
• a conduit (not shown) is connected to a right force as seen in the figure la of the joint body 10, and a female joint (not shown) is connected from the left.
• a poppet valve 20 In the tubular joint body 10, a poppet valve 20, a coil spring 40 that urges the poppet valve 20, and a valve holding member 30 that holds the coil spring 40 and the poppet valve 20 are set.
• the valve holding portion 30 has a hub portion 33 having a guide hole 34 for slidably receiving a force valve stem, which will be described in detail later, and an arm portion 32 extending from the periphery of the hub portion.
• the male joint 1 is assembled by inserting the poppet valve 20 and the coil spring 40 into the joint body 10 and then pushing the valve holding member 30 to the left while shrinking the coil spring 40.
• the valve holding member 30 is pushed in the left direction while the arm portion 32 engages with the inner peripheral surface of the joint body 10 and is tightened.
• the tip of the arm portion 32 reaches the arm holding groove 13 formed on the inner peripheral surface of the joint body 10, the tip engages with the arm holding step portion 15 to fix the valve holding member.
• the poppet valve 20 is biased by a coil spring 40 and abuts against the valve seat surface 11 of the joint body 10 to close the flow port 21 serving as a fluid inlet / outlet port.
• valve stem large diameter portion 22 of the poppet valve 20 is slidably in contact with the inner periphery of the coil spring 40, and the valve stem small diameter portion 23 is a guide hole in the hub portion 33 of the valve holding member 30. 34 is slidably inserted.
• a spring locking portion 31 that engages with the outer peripheral surface of one end of the coil spring 40 is provided on the periphery of the hub portion 33.
• valve structure is the same as that of the female joint, and when the male joint is inserted and connected to the female joint, the tips of the poppet valves come into contact with each other.
• the female joints are displaced relative to the cylindrical bodies, and the fluid passages of the cylindrical bodies are opened.
• FIG. 2a is a front view of the valve holding member 30 according to the first embodiment of the present invention
• Fig. 2b is a cross-sectional view taken along the line lib-lib of Fig. 2a.
• the valve holding member 30 has a hub portion 33 and two arm portions 32.
• the hub portion 33 has a guide hole 34 through which the valve stem 23 (FIG. 1) passes in the center, and a circular portion 33a with which one end of the coil panel 40 (FIG. 1) abuts, and a peripheral portion of the circular portion 33a.
• the arm portion 32 is positioned so as to be in contact with the outer peripheral surface of the end portion of the coil panel 40 received by the circular portion 33a, and the arm connecting portion 33b that extends outwardly to the arm portion 32.
• two spring locking portions 31 extending in opposite directions in the axial direction. In the illustrated example, the spring locking portion 31 is provided at an intermediate position between the two arm connecting portions 33b.
• the arm portion 32 extends in the axial direction of the valve stem (rightward as viewed in FIG. 2b) and slightly outward in the radial direction with respect to the axial line.
• the arm portion 32 includes a first arm portion 32a extending from the arm connecting portion 33b of the hub portion 33, and a second arm portion 32b extending from the first arm portion 32a to the tip of the arm portion.
• the first arm portion 32a has an inner angle ⁇ of about 100 ° to 110 ° with the arm connecting portion 33b, and the second arm portion 32b extends with a larger inner angle.
• first arm portion 32a is gradually increased in width from the arm connecting portion 33b toward the second arm portion 32b, and the second arm portion 32b is continuously increased in width.
• the maximum width W is set at the tip.
• a notch 37 is provided at the center of the front end edge in the width direction.
• FIG. 6a shows a front view of a conventional sheet metal noble holding member
• FIG. 6b shows a sectional view taken along line VIb-VIb of FIG. 6a.
• the sheet metal valve holding member 30d has a hub portion 33d having a guide hole 34d at the center, three arm portions 32d, and a spring locking portion 31d.
• the hub portion 33d has a substantially triangular shape
• the arm portion 32d has a triangular partial force that extends in a triangular shape.
• the arm portion 32b becomes narrower in width depending on the force of the connecting portion with the hub portion 33d, and has a minimum width Wd at the tip portion.
• the arm portion 32 is reduced from three to two, and the hub The area of part 33 is also reduced. Further, in the first embodiment, the connecting portion force with the hub portion 33 is gradually widened in contrast to the arm portion 32 of the prior art.
• the expansion of the width of the arm portion 32 is mainly to compensate for the strength of the arm portion which is reduced by the two arm portions 32 being used, but by this, the arm which engages with the inner peripheral surface of the pipe joint. By expanding the width of the tip of the part, it also contributes to stably fixing the sheet metal valve holding member 30 to the inner peripheral surface of the pipe joint.
• the sheet metal valve holding member 30 (FIG. 7a) of the first embodiment and the conventional sheet metal valve holding member 30d (FIG. 7b) in a state assembled in the plug body 10 will be compared.
• the sheet metal valve holding member 30 of the first embodiment reduces the area indicated by the hatched portion, that is, the area of the hub part that greatly affects the flow path resistance by about 20%. It is.
• Most of the arm tip end of arm 32 is contained in arm holding groove 13 (see Fig. 1), so the effect of increasing the width W of arm 32 on the channel resistance is minimized. be able to.
• the area of the hatched portion is reduced by configuring the hub portion 33 from a small-diameter circular portion 33a and an arm connecting portion 33b. Further, the valve holding member 30 according to the present invention is set so that the inner angle ⁇ is about 90 to 100 ° when it is installed in a pipe joint as shown in FIG. The angle is about 115 °, but it is getting smaller. Therefore, in this respect, the flow path resistance can be reduced.
• the V-shaped notch 37 as the escape portion (or non-engagement portion) provided at the tip of the arm of the sheet metal valve holding member 30 is a machining step. Even when the arm tip is warped or distorted, the arm holding groove 13 is engaged with the arm holding step 15 by a plurality of points or lines to stabilize the sheet metal valve holding member 30. It is for fixing to the arm holding groove 13. Further, both corner portions 38 at the tip of the arm portion 32 are in strong contact with the inclined inner peripheral surface 14 of the inner peripheral surface 12 of the plug body 10 so that the sheet metal valve holding member 30 is stably fixed. Further, the side portion 39 of the arm portion 32 abuts against the inner peripheral wall surface 12 of the fluid passage, thereby preventing the sheet metal noble holding member 30 from falling. These can be configured in the same manner not only in the first embodiment but also in other embodiments.
• FIG. 3a is a front view of the sheet metal valve holding member 30 according to the second embodiment of the present invention, and FIG. 3b.
• Figure 3a shows the cross section of the mb-mb line.
• the feature of the sheet metal valve holding member 30 is that the arm portion 32 is provided with a bulge reinforcing portion 35 extending along the length direction, and the other points are substantially the same as the first embodiment. is there.
• the bulge reinforcing portion 35 extends substantially along the flow path direction, so that the increase in the resistance of the flow path can be suppressed very little. Further, the formation of the bulge reinforcing portion 35 can be performed with a press force just like the arm portion 32 and the spring locking portion 31, so that the strength can be improved with little increase in cost. .
• Fig. 4a is a front view of a sheet metal valve holding member according to a third embodiment of the present invention
• Fig. 4b is a sectional view taken along the line IVb-IVb.
• the sheet metal valve holding member 30 is characterized in that a bulging reinforcing portion 35 extending from the arm connecting portion 33b of the hub portion 33 to the arm portion 32 along the length direction of the arm portion is provided.
• the other points are substantially the same as the first embodiment.
• the raised reinforcing portion 35 can increase the strength of the entire sheet metal valve holding member.
• FIG. 5a is a front view of a sheet metal valve holding member according to a fourth embodiment of the present invention
• FIG. 5b is a cross-sectional view taken along the line Vb-Vb of FIG. 5a.
• the feature of the sheet metal valve holding member 30 is that the hub portion 33 of the sheet metal valve holding member 30 is provided with a cylindrical reinforcing portion 35 extending from the peripheral edge of the guide hole 34 in the same direction as the arm portion 32. The other points are substantially the same as those of the first embodiment.
• the cylindrical reinforcing portion 35 can increase the strength of the hub portion 33 while maintaining the elasticity of the arm portion 32. Further, the cylindrical reinforcing portion serves as a valve guide, and can stably guide the valve.
• the cylindrical reinforcing portion 35 can be provided so as to extend in the direction opposite to the axial direction of the arm portion 32.
• the channel resistance can be greatly reduced.
• the width of the tip of the arm portion is widened toward the tip, even if there are two arm portions, the strength of the sheet metal valve can be maintained and it can be stably fixed inside the fitting.
• the size of the inner angle formed by the hub and arm is approximately 90 ° when the sheet metal valve holding member is attached to the pipe joint, so that the flow resistance can be further reduced.
• a reinforcing structure such as a raised reinforcing part or a cylindrical reinforcing part is provided on the arm part and hub part of the sheet metal valve holding member.
• the strength of the valve holding member can be maintained even with two arm portions. Further, such a reinforcing structure can be formed without greatly increasing the channel resistance. In addition, since the reinforcing structure is formed by press carriage, the strength can be increased with little cost increase. Needless to say, the reinforcing structure of the above-described embodiment may be a combination of the force and the reinforced portion and the cylindrical reinforcing portion that are provided separately.

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• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Quick-Acting Or Multi-Walled Pipe Joints (AREA)
• Valve Housings (AREA)
• Springs (AREA)

Priority Applications (2)

Applications Claiming Priority (2)

Related Child Applications (1)

Publications (1)

Family

ID=36336423

Family Applications (1)

Country Status (7)

Families Citing this family (10)

Citations (2)

Family Cites Families (9)

• 2004
  • 2004-11-09 JP JP2004324974A patent/JP4369853B2/ja not_active Expired - Lifetime
• 2005
  • 2005-11-04 CN CNB2005800382857A patent/CN100554751C/zh not_active Expired - Lifetime
  • 2005-11-04 WO PCT/JP2005/020322 patent/WO2006051742A1/ja not_active Ceased
  • 2005-11-04 KR KR1020077010546A patent/KR100969838B1/ko not_active Expired - Lifetime
  • 2005-11-04 DE DE112005002758T patent/DE112005002758B4/de not_active Expired - Lifetime
  • 2005-11-08 TW TW094139141A patent/TWI287074B/zh not_active IP Right Cessation
• 2007
  • 2007-05-08 US US11/801,173 patent/US7472888B2/en not_active Expired - Lifetime

Patent Citations (2)

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