JPH0456295U - - Google Patents

Description

[Brief explanation of the drawing]

Figure 1 is a cross-sectional view showing one embodiment of the present invention, Figure 2 is an enlarged view of section A in Figure 1, and Figures 3 to 5.
The figure is a diagram for explaining the coupling action of the pipe joint of the present invention, Figures 6 and 7 are diagrams for explaining the detachment action of the pipe joint of the present invention, and Figure 8 is a diagram showing another embodiment of the present invention. , FIG. 9 is an enlarged view of part B in FIG. 8, FIG. 10 is a sectional view showing another embodiment of the present invention, and FIG.
FIG. 12 is an enlarged view of part C in FIG. 0, FIG. 12 is a diagram showing another embodiment of the present invention, FIG. 13 is a diagram showing another embodiment of the present invention, and FIG. 15 to 19 are diagrams showing other embodiments of the present invention, and FIG. 20 is a diagram showing a conventional technique. 2...Male body, 3...Female body, 5...O ring, 1
0...stop spring, 17...small diameter shaft, 18...
...O-ring groove, 13...notch, 14...protrusion,
50...stopper, 51...dustproof O-ring (dustproof means).

Claims (1)

[Claims for Utility Model Registration] 1. A male body is fitted into a female body, and a coupling member is attached to one side of circumferential grooves provided oppositely to each other, and an O-ring is attached to the other side, and the male body and the female body are connected together and sealed,
The connecting member is formed of an elastic stop ring, the male body and the female body are connected or separated by expanding or contracting the diameter of the stop ring, and a notch for operating the stop ring is formed on the outer periphery of the female body. A pipe joint comprising: a stopper provided in the circumferential direction and abutting the male body and the female body after coupling; and a dustproof means between the stopper and the stop ring. 2. On the outer periphery of the male body, a rectangular groove in which the dustproof means is attached, a first trapezoidal groove adjacent to the rectangular groove and having a first downward taper in the direction of insertion, and in which the stopper is attached; a second trapezoidal groove adjacent to the first trapezoidal groove and having the second downward taper and the third upward taper; and a small diameter groove connected to the second trapezoidal groove via the fourth downward taper. a two-step groove having a small diameter and a large diameter facing the second trapezoidal groove, and a protrusion provided at the open end of the stop ring to be accommodated in the two-step groove on the inner periphery of the female body. 2. The pipe joint according to claim 1, further comprising a notch for insertion and an O-ring groove formed in the small diameter shaft. 3. Fitting the male body into the female body and attaching a coupling member to one side of circumferential grooves provided oppositely to each other and an O-ring on the other side to couple the male body and the female body. In pipe fittings sealed with
The connecting member is formed of an elastic stop ring, the male body and the female body are connected or separated by expanding or contracting the diameter of the stop ring, and a notch for operating the stop ring is formed around the outer periphery of the female body. 1. A pipe joint, characterized in that a dustproof means is provided between the male bodies and the male bodies. 4. On the outer periphery of the male body, a rectangular groove in which the dustproof means is mounted, a trapezoidal groove having a second downward taper and a third upward taper in the direction of insertion, and the downwardly directed groove adjacent to the trapezoidal groove. a small diameter shaft through a fourth taper, and a two-step groove on the inner periphery of the female body that faces the trapezoidal groove and has a protrusion between each of the small and large diameters; 4. The pipe joint according to claim 3, further comprising a notch through which a projection provided at an open end of a stop ring to be accommodated in the groove is inserted, and an O-ring groove formed in the small diameter shaft. 5 A small diameter groove is formed on the outer periphery of the male body through a rectangular groove in which the dustproof means is attached, a trapezoidal groove having a third upward taper in the direction of insertion, and a fourth downward taper adjacent to the trapezoidal groove. a single-stage groove formed with a shaft and having a fifth taper on the inner periphery of the female body opposite to the trapezoidal groove and substantially parallel to the third taper;
4. The stop ring according to claim 3, further comprising a notch that accommodates a protrusion provided at an open end of a stop ring to be accommodated in the step groove and communicates with the first step groove, and an O-ring groove formed in the small diameter shaft. pipe fittings. 6. The pipe joint according to claim 1 or 3, wherein the dustproof means is a dustproof O-ring. 7. The pipe joint according to claim 1 or 3, wherein the dustproof means comprises a dustproof O-ring and any one of a wave washer, a spacer, and an elastic member. 8. The pipe joint according to claim 1 or 3, wherein the dustproof means comprises a dustproof O-ring and at least one of a wave washer, a spacer, an elastic member, a dustproof cover or a rubber cover that covers the notch. 9. Fitting the male body into the female body and attaching a coupling member to one side of circumferential grooves provided oppositely to each other and an O-ring on the other side to couple the male body and the female body. A pipe using a pipe joint sealed together with the pipe, characterized in that the pipe joint according to any one of claims 1 to 8 is used.