JPH0635780U - Joint - Google Patents

Abstract

(57) [Summary] [Purpose] Measure the joint hose attached to the pipe. [Structure] A recessed portion 14 and a through hole 15 through which the recessed portion communicates with a passage 12 of the substrate are provided on the surface of a base body 11 screwed into a pipe, and an O-ring 18 is fitted into the bottom of the recessed portion to form a recess. The end of the hose 16 is fitted into the insertion part, the pipe shaft 17 of the end of the hose is communicated with the through hole, and the pin 22 pushed into the through hole of the base is locked to the collar 19 of the pipe shaft to connect the hose to the base. Stay in the state.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 This invention relates to a joint for connecting a hose to an air or oil passage.

[0002]

[Prior art]

 Conventionally, in order to connect a hose to a pipe, as shown in FIG. 4, a well-known joint 1 such as an elbow or a T-shape is connected to the pipe by screwing and then provided on the inner circumference of the outflow end of the joint 1. Screw the end screw part 3 into the screw part 2 to attach the hose connection fitting 4, and then insert the end face mouth tube 6 of the hose 5 into the connection fitting 4 and insert the U into the two holes 7 of the connection fitting 4. When the shaped pin 8 is pushed in and the pin 8 and the collar 9 on the outer periphery of the mouth tube 6 are engaged, the insertion state of the mouth tube 6 into the connection fitting 4 is maintained.

An O-ring (not shown) incorporated in the connection fitting 4 prevents leakage.

[0004]

[Problems to be solved by the device]

 If the hose attachment method as described above is adopted, a joint and a fitting are required to connect the hose to the pipe. Therefore, the cost increases.

Further, since the fitting is attached to the pipe by screwing and then the connecting metal fitting is attached to the fitting by screwing, there is also a problem that it takes a great deal of time to install.

Therefore, an object of the present invention is to provide a joint that does not use a connecting fitting when connecting a hose.

[0007]

[Means for Solving the Problems] In order to solve the above-mentioned problems, the present invention proposes a base having a threaded portion screwed into the pipe so that a passage is in communication with the pipe, and an inward direction from the surface of the base. The recessed portion provided for facing, the through hole provided so that the center of the bottom surface of the recessed portion communicates with the passage, and the recessed portion is attached so as to communicate with the end of the hose fitted into the recessed portion and penetrates through the through hole. A pipe shaft, an O-ring fitted to the bottom of the recess, an outer periphery of the pipe shaft, a flange provided near the end of the hose, and an outside of the pipe shaft so that both ends contact the flange and the O-ring. The cylindrical body fitted to the base body, the two through holes provided so that the surface of the base body and the recessed portion communicate with each other, and the two parallel portions are pushed into the through holes, and the parallel portion is the cylinder of the collar. Joint consisting of a U-shaped pin that locks on the opposite side of the body One in which was adopted.

[0008]

[Action]

 The base is connected by screwing the threaded portion into the pipe.

When the end of the hose is fitted into the recessed portion of the base body, the tube shaft is fitted into the through hole, and the end face of the tubular body comes into contact with the O ring.

When the parallel portion of the U-shaped pin is pushed through the two through-holes to make it penetrate, the parallel portion of the U-shaped pin is locked to the flange.

The hose does not come off from the base due to the engagement between the parallel part of the pin and the flange.

[0012]

【Example】

 Hereinafter, an embodiment according to the present invention will be described with reference to the accompanying drawings.

As shown in FIGS. 1 and 2, reference numeral 11 is a base body having a screw portion 13 screwed into the pipe A so that the passage 12 communicates with the pipe A.

A concave portion 14 that faces inward is provided on the surface of the base 11, and the center of the bottom surface of the concave portion 14 and the passage 12 are communicated with each other through a through hole 15.

Reference numeral 16 denotes a hose into which the terminal is fitted in the recessed portion 14. A tube shaft 17 communicating with the hose 16 and penetrating the through hole 15 is provided at the terminal of the hose 16.

Reference numeral 18 is an O-ring pushed into the bottom of the recess 14.

Reference numeral 19 denotes a collar provided near the end of the outer peripheral hose 16 of the pipe shaft 17.

Reference numeral 20 denotes a tubular body fitted to the outside of the tube shaft 17. The tubular body 20 has an end (on the hose 16 side) abutted against the collar 19 and penetrates the tube shaft 17 through the through hole 15. When this is done, the tip surface of the tubular body 20 contacts the O-ring 18.

Reference numeral 21 denotes two through holes that communicate with the recessed hole 14 from the surface of the base 11.

The through holes 21 are located on both sides of the tube shaft 17.

Reference numeral 22 is a U-shaped pin that pushes two parallel portions into the through hole 21.

As shown in the figure, if protrusions 23 projecting inward from each other are provided in the middle of the parallel portions of the pin 22, the protrusion 23 that has passed through the pipe shaft 17 at the end of pushing the pin 22 It catches on the shaft 17 and prevents the pin 22 from coming off.

With the above configuration, when the end of the hose 16 is fitted into the recessed portion 14 of the base body 11, the tube shaft 17 penetrates the through hole 15 and the tip surface of the tubular body 20 is attached to the O-ring 18. Abut.

Next, when the parallel portion of the pin 22 is pushed into the through hole 21, the parallel portion of the pin 22 is caught on the end side surface of the hose 16 of the collar 19, so that the connection state of the hose 16 to the base body 11 is maintained. It

The joint may be a T-shape shown in FIG. 3 in addition to the L-shape (elpo) shown in FIG.

Of course, in the case of the T type, the screw portion 13 may be provided on the inner circumference of the two inner circumferences or the outer circumference of the one.

[0027]

【effect】

 As described above, according to the joint of the present invention, since the base body is provided with the recessed portion having the through hole and the through hole, it is troublesome to screw the connection fitting into the joint and connect the hose to the screwed connection fitting. This eliminates the inconvenience that the cost increases due to the use of connecting fittings for other work and joints.

[Brief description of drawings]

FIG. 1 is a perspective view of a joint according to the present invention.

[Fig. 2] Side view in vertical section with a hose attached

FIG. 3 is a perspective view of another embodiment.

FIG. 4 is an exploded perspective view of a conventional product

[Explanation of symbols]

 11 Base 12 Passage 13 Threaded portion 14 Recessed portion 15 Through hole 16 Hose 17 Pipe axis 18 O-ring 19 Tsuba 20 Cylindrical body 21 Through hole 22 Pin

Claims (1)

[Scope of utility model registration request] 1. A base having a threaded portion that is screwed into the pipe so that the passage communicates with the pipe, a recess provided inward from the surface of the base, a bottom center of the recess, and the passage. A through hole provided so as to communicate with each other, a hose fitted so as to communicate with an end of a hose fitted into the recessed portion, a pipe shaft penetrating the through hole, an O-ring fitted to the bottom of the recessed portion, Outer circumference of the tube shaft A flange provided near the end of the hose, a tubular body fitted on the outside of the tube shaft so that both ends contact the flange and the O-ring, the surface of the base body and the recessed portion. A joint composed of two through-holes provided so as to communicate with each other, and a U-shaped pin that presses the two parallel portions into the through-holes and locks the parallel portions on the opposite side of the tubular body of the collar.