Classifications

• • 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
  • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
  • F16K15/00—Check valves
  • F16K15/02—Check valves with guided rigid valve members
  • F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
  • F16K15/026—Check valves with guided rigid valve members the valve being loaded by a spring the valve member being a movable body around which the medium flows when the valve is open
• • 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
  • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
  • F16K15/00—Check valves
  • F16K15/02—Check valves with guided rigid valve members
  • F16K15/06—Check valves with guided rigid valve members with guided stems
  • F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
• • 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
  • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
  • F16K15/00—Check valves
  • F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated 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
  • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
  • F16L55/07—Arrangement or mounting of devices, e.g. valves, for venting or aerating or draining

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 knob portion through which the valve system passes and a hub portion extending radially outward from the hub portion and locked to a wall surface of the fluid passage.
• a valve holding member comprising a plurality of arm portions that support the fluid in the center of the fluid passage is used. 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 and has low rigidity. Therefore, it is mainly used for low-pressure and small-diameter pipe joints that require less biasing force of the valve by the coil spring.
• An object of the present invention is to provide a sheet metal valve holding member that can be used for a pipe joint having a high pressure and a large diameter by providing a reinforcing structure for increasing rigidity at any part of the sheet metal valve holding member. It is to provide a member.
• a valve for opening and closing a fluid passage of a pipe joint (in the embodiment shown below, indicated by reference numeral 20) is held so as to be displaceable along the fluid passage.
• a single sheet metal force molded valve holding member (30a) is held so as to be displaceable along the fluid passage.
• a hub portion (33) having a guide hole (34) through which the valve stem (22, 23) of the valve is passed, and a peripheral edge of the hub portion are provided at intervals in the circumferential direction, and the axis of the valve stem is extended from the periphery.
• a plurality of arms (32) extending in the axial direction and radially outward as a reference,
• a first bulge reinforcement (35) formed to bulge along the longitudinal direction of at least one arm portion on either the radially outer side or the inner side of the arm portion; and the hub around the guide hole
• One of the cylindrical reinforcing portions (35c, 35d, 35e) formed so as to extend in the axial direction and the second raised reinforcing portion (35b) formed so as to protrude in the axial direction on the hub portion 1 Provided is a valve holding member.
• this valve holding member is reinforced, so that it can be used for high pressure and large diameter pipe joints while being manufactured by a simple manufacturing process such as pressing. Become.
• the first raised reinforcing portion (35) and the second raised reinforcing portion (35b) can be continuously formed.
• all of the arm portion is extended to one side in the axial direction of the hub portion force, A portion between adjacent arm portions on the periphery of the hub portion can be rubbed so as to form a plurality of spring locking portions (31) that extend in the axial direction opposite to the arm portion.
• the arm portion has a tip edge (37) that can be engaged with an annular locking step portion formed on the inner wall of the fluid passage of the pipe joint, and is engaged with an intermediate portion of the tip edge. Do not engage the stop part! /, Non-engagement part (37 ⁇ can be provided.
• the non-engaging portion can be formed by a notch in the center portion of the tip edge.
• valve holding member Since the structure of the valve holding member according to the present invention is reinforced, the valve holding member can be used for a pipe joint having a high pressure and a large diameter while being manufactured by a simple manufacturing process such as a press. become.
• the reinforcing portion formed in the hub portion or the arm portion can be formed so as not to increase the flow path resistance so much.
• FIG. 1 is a longitudinal sectional view of a male joint of a pipe joint to which a valve holding member according to an embodiment of the present invention is applied.
• FIG. Lb is an end view of the valve holding member as seen from the direction of arrow a in Fig. La.
• FIG. 2a is a front view of the valve holding member according to the first embodiment of the present invention.
• FIG. 2b is a cross-sectional view taken along the line lib-lib in FIG. 2a.
• FIG. 3a is a front view of a valve holding member according to a second embodiment of the present invention.
• FIG. 3b is a cross-sectional view taken along the line Illb-Ilb in FIG. 3a.
• FIG. 4a is a front view of a 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 in FIG. 4a.
• FIG. 5a is a front view of a 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 in FIG. 5a.
• FIG. 6a is a front view of a valve holding member according to a fifth embodiment of the present invention.
• FIG. 6b is a cross-sectional view taken along line VIb-VIb of FIG. 6a.
• FIG. 7a is a front view of a valve holding member according to a sixth embodiment of the present invention.
• FIG. 7b is a cross-sectional view taken along the line Vllb-Vllb in FIG. 7a.
• FIG. 8a is a front view of a conventional valve holding member.
• FIG. 8b is a cross-sectional view taken along line Vlllb-VIIIb in FIG. 8a.
• Fig. La is a cross-sectional configuration diagram of a male joint 1 that employs a sheet metal valve holding member according to an embodiment of the present invention
• Fig. Lb is an end view of a directional force indicated by an arrow A in Fig. La.
• a conduit (not shown) is connected from the right side of the joint body 10 as viewed in FIG. 1, and a female joint (not shown) is also connected to the leftward force.
• the tubular joint body 10 is provided with a poppet valve 20, a coil spring 40 that urges the poppet valve 20, and a valve holding member 30 a that holds the coil spring 40.
• 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 30a in the left direction while the coil spring 40 is contracted.
• the valve holding member 30a is pushed in the left direction while the arm portion 32 engages with the inner peripheral surface of the joint body 10 and is praised.
• the tip of the arm portion 32 reaches the arm holding step portion 12 formed on the inner peripheral surface of the joint body 10, the tip end engages with the arm holding step portion 12, and the valve holding member Is fixed.
• the poppet nozzle 20 is biased by the 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.
• a guide hole 34 through which the valve stem small-diameter portion 23 is passed is provided at the center of the hub portion 33 of the valve holding member 30a, and the peripheral edge of the hub portion is connected to the outer peripheral surface of one end portion of the coil spring 40.
• a mating spring locking portion 31 is provided.
• the poppet valve 20 is maintained by the valve holding member and the coil spring so that the axis thereof extends in the fluid passage direction, so that the valve can be accurately opened and closed.
• the valve structure described above is the same as that of the female joint. 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 30a according to the first embodiment of the present invention
• Fig. 2b is a cross-sectional view taken along the line lib-lib in Fig. 2a.
• the valve holding member 30a is provided with a hub portion 33 in which a guide hole 34 for passing the valve stem is formed at the center, and at the peripheral edge of the hub portion at equal intervals, and the axial direction of the valve stem (see FIG. 2b).
• Three arms 32 extending radially outward with respect to the axis, and a spring locking portion 31 extending from the hub plate 33 to the opposite side of the arm 32 between the arms 32. Have.
• the arm portion 32 is provided with a raised reinforcing portion 35 extending along the length direction of the arm plate between the connecting portion 36 to the hub portion 33 and the arm tip portion 37.
• the raised reinforcing portion 35 increases the rigidity of the arm portion 32.
• FIG. 8a is a front view of the valve holding member 30f in which the arm plate has the same rigidity as the valve holding member 30a
• FIG. 8b is a cross-sectional view taken along the line Vlllb-Vlllb of FIG. 8a.
• the width Wa of the arm portion 32 of the valve holding member 30a is equal to the width Wf of the arm portion 32f of the valve holding member 30f.
• the area of the hub portion 33 can be made smaller than that of the conventional hub portion 33f. Will be able to.
• the valve holding member 30a can reduce the flow resistance while increasing its strength compared to the conventional type. Further, in the conventional valve holding member 30f, the entire arm portion 32f is used as an elastic body in order to obtain an elastic force required for setting to the joint body, whereas the valve holding member according to the present invention is used. In the member 30a, the bent connection portion 36 has its main role.
• the main sizes of fittings include 1/8 inch, 1/4 inch, 3/8 inch, 1/2 inch, 3/4 inch, 1 inch and the like.
• the force of the conventional valve holding member is limited to use up to 3/8 inch due to insufficient strength.
• 1 / It can be used for large diameters of 2 inches or more.
• V-shaped notch 37 provided at the arm tip 37 of the valve holding member 30a should be used in the event that the arm tip 37 is warped or distorted in the machining process.
• the valve holding member 30a is stably fixed to the arm holding step 12 by engaging the inner periphery of the step 12 with a plurality of points or lines.
• FIG. 3a is a front view of the valve holding member 30b according to the second embodiment of the present invention
• FIG. 3b is a sectional view taken along the line Illb-Ilb of FIG. 3a.
• the valve holding member 30b is characterized in that the bulging reinforcing portion 35 is provided so as to extend beyond the bent connection portion 36 to the bulging reinforcing portion 35b formed at the peripheral portion of the hub portion 33.
• the overall strength of the valve holding member 30b can be increased by about 5% compared to the valve holding member 30a.
• Other configurations of the valve holding member 30b are substantially the same as those in the first embodiment, and the effects obtained thereby are also substantially the same.
• the same constituent elements as those of the valve holding member 30a of the first embodiment are denoted by the same reference numerals, and the description thereof is omitted (the same applies to the following embodiments).
• Fig. 4a is a front view of a valve holding member 30c according to a third embodiment of the present invention
• Fig. 4b is a cross-sectional view taken along line IV-IV of Fig. 4a.
• the valve holding member 30c is provided with a cylindrical reinforcing portion 35c as a reinforcing structure extending in the extending direction of the arm portion 32 at the periphery of the guide hole 34.
• the cylindrical reinforcing portion 35c is set along the flow path direction, so that an increase in resistance of the flow path can be suppressed very little.
• the cylindrical reinforcing portion 35c can be formed by press working, the strength can be improved with little cost increase.
• the rigidity of the knob portion 33 can be increased while maintaining the elasticity of the arm portion 32, and the area of the hub portion 33 can be made smaller than that of the conventional hub portion 33f. become.
• FIG. 5a is a front view of a valve holding member 30d according to a fourth embodiment of the present invention
• Fig. 5b is Fig. 5a.
• FIG. 5 is a cross-sectional view taken along line Vb-Vb.
• the valve holding member 30d is provided with a cylindrical reinforcing portion 35d as a reinforcing structure extending in the direction opposite to the extending direction of the arm portion 32 on the periphery of the guide hole 34.
• the tubular reinforcing portion 35d is set along the flow path direction when the valve holding member is set to a pipe joint, and therefore, the increase in resistance of the flow path can be suppressed very little.
• the cylindrical reinforcing portion 35d can be formed by pressing, the strength can be improved with little cost increase. Specifically, by providing the cylindrical reinforcing portion 35d, the strength of the knob portion 33 can be increased while maintaining the elasticity of the arm portion 32, so that the area of the hub portion 33 can be reduced.
• the cylindrical reinforcing portion 35d can be used as a spring locking portion for holding the inner periphery of the coil spring 40 instead of the spring locking portion 31.
• the spring locking portion 31 is Since it becomes unnecessary, the channel resistance can be further reduced.
• FIG. 6a is a front view of the valve holding member 30e according to the fifth embodiment of the present invention
• FIG. 6b is a sectional view taken along line VIb-VIb of FIG. 6a.
• the valve holding member 30e is characterized in that both the raised reinforcing portion shown in the first embodiment and the cylindrical reinforcing portion shown in the third embodiment, that is, the raised reinforcing portion 35 of the arm portion 32 and the hub portion 33 are provided. This is because it is used in combination with the cylindrical reinforcing portion 35e.
• a valve holding member corresponding to the required strength can be easily obtained.
• FIG. 7a is a front view of a valve holding member 30g according to a sixth embodiment of the present invention
• FIG. 7b is a cross-sectional view taken along the line Vllb-Vllb of FIG. 7a.
• the valve holding member 30g is characterized in that a bulge reinforcing portion 35b is provided on the hub portion 33.
• the reinforcing structure is provided at various positions of the valve holding member. Therefore, the strength of the valve holding member can be increased, and it can be used for a pipe joint having a high pressure and a large diameter. A lube holding member is obtained. Further, since the reinforcing structure is formed along the flow path direction, the strength of the valve holding member can be increased without greatly increasing the flow path resistance. In addition, since each reinforcing structure is formed by pressing, the strength can be improved with little cost increase.

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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)
• Check Valves (AREA)
• Lift Valve (AREA)
• Valve-Gear Or Valve Arrangements (AREA)

Priority Applications (1)

Applications Claiming Priority (2)

Publications (1)

Family

ID=36227710

Family Applications (1)

Country Status (6)

Families Citing this family (9)

Citations (5)

Family Cites Families (17)

• 2004
  • 2004-10-28 JP JP2004313806A patent/JP4420793B2/ja not_active Expired - Lifetime
• 2005
  • 2005-10-20 KR KR1020077009390A patent/KR20070058650A/ko not_active Ceased
  • 2005-10-20 KR KR1020097009720A patent/KR100955442B1/ko not_active Expired - Lifetime
  • 2005-10-20 US US11/666,513 patent/US7722010B2/en active Active
  • 2005-10-20 CN CNB2005800373025A patent/CN100532897C/zh not_active Expired - Lifetime
  • 2005-10-20 WO PCT/JP2005/019333 patent/WO2006046470A1/ja not_active Ceased
  • 2005-10-27 TW TW094137674A patent/TWI289638B/zh active

Patent Citations (5)

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