JP3048261U - Clip for fixing valve stem and handle in manual opening and closing type valve device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To stabilize a fixed state of a handle and a valve stem by making a clip for fixing a valve stem and a handle in a manually opened / closed valve device difficult to be detached from the handle and the valve stem. A guide hole (4) into which a head (23) of a valve stem (15) protruding outside of the rotating arm (18) can be inserted into a substrate (2) in contact with the surface of a rotating arm (18) of a handle (17). 2 is continuously moved to form a locking hole 5 into which an inner edge thereof can be fitted into a locking groove 24 provided in the head 23 of the valve stem 15, and the substrate portion 1 divided by the slit 3. Are provided at the outer edges on both sides of one end of the handle 17 so as to be bent substantially vertically so that the side faces on both sides of the rotating arm 18 of the handle 17 can be sandwiched. The clip is characterized in that it is provided with a claw portion 8 which is bent toward the back side of the rotating arm portion 18 of the handle 17 and is capable of holding the rotating arm portion 18.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a clip for fixing a valve stem and a handle in a manually opened / closed valve device.

[0002]

[Prior art]

 Conventionally, there is a clip 28 for fixing a valve stem and a handle as shown in FIG. The clip 28 is formed by continuously drilling a guide hole 30 and a locking hole 31 in a substrate portion 29, and leg portions bent substantially perpendicularly to outer edges on both sides of one end divided by a slit of the substrate portion 29. 32 and 33 are provided.

[0003] The clip 28 is mounted on a valve device 34 as shown in FIG. That is, in this valve device 34, a mounting cylinder portion 37 provided on a rotating arm portion 36 of a handle 35 is screwed to a protruding cylindrical portion 40 of a valve rod guide body 39 mounted on a valve case 38, and a valve plug 41 is provided at the tip. Is slidably inserted into the protruding cylindrical portion 40 of the valve stem guide body 39, and the head 43 at the other end of the valve stem 42 protrudes outside the rotating arm 36 of the handle 35. Then, after inserting the head 43 of the valve stem 42 into the guide hole 30 of the clip 28 provided on the surface of the rotating arm 36, the clip 28 is moved toward the knob 44 of the handle 35. As a result, the inner edge of the locking hole 31 of the clip 28 is fitted into the locking groove 45 provided in the head 43 of the valve stem 42, and the legs 32, 33 of the clip 28 are connected to the handle 35 as shown in FIG. Of the rotating arm 36 on both sides of the arm Sandwiches the part 36.

[0004]

[Problems to be solved by the invention]

 In the above-described conventional valve device 34, the base portion 29 of the clip 28 rises from the surface of the rotating arm portion 36 of the handle 35, and the legs 32, 33 of the base portion 29 of the clip 28 correspond to the rotating arm portion 36 of the handle 35. There has been a problem that the clip 28 is disengaged from the side surface, whereby the clip 28 moves and also disengages from the locking groove 45 of the valve stem 42, and the clip 28 falls off. In view of the above, an object of the present invention is to provide a clip for fixing a valve stem and a handle in a manually opened / closed valve device capable of stabilizing a fixed state between the handle and the valve stem without easily coming off the handle and the valve stem. And

[0005]

[Means for Solving the Problems]

 The above problem is solved by the present invention, that is, a guide hole through which the head 23 of the valve stem 15 protruding outside the rotary arm 18 can be inserted into the base plate 2 which comes into contact with the surface of the rotary arm 18 of the handle 17. 4 and a locking hole 5 in which the inner edge thereof can be fitted into a locking groove 24 provided in the head 23 of the valve stem 15 by moving the substrate portion 2. At the outer edges on both sides of one end of the substrate portion 1 divided by the above, legs 6 and 7 are provided which can be bent substantially perpendicularly to sandwich both side surfaces of the rotating arm portion 18 of the handle 17, and the leg portions 6 on one side thereof are provided. A manual opening / closing type valve device characterized in that a claw portion 8 which can be bent further inward toward the rear side of the rotating arm portion 18 of the handle 17 and provided to hold the rotating arm portion 18 is provided at the tip of the handle. By the clip for fixing the valve stem and handle at It can be.

[0006]

【Example】

 Next, an embodiment of the present invention shown in FIGS. 1 to 6 will be described. First, FIG. 1 shows a clip 1. The clip 1 is made of a steel plate, and a substantially triangular guide hole 4 and a substantially semicircular locking hole 5 which are opened at the other end by a slit 3 are continuously formed in a substrate part 2 having a rounded end. Legs 6 and 7 bent substantially vertically are provided on outer edges on both sides of one end divided by the slit 3, and a claw 8 bent diagonally inward is provided at the tip of the leg 6 on one side. It has a structure.

Next, FIG. 2 shows a valve device 9 to which the clip 1 is mounted. The valve case 10 has two connection pipes 11 and 12 having different directions, and a valve stem guide 13 is assembled on an extension of one of the connection pipes 11. The valve stem guide 13 has a male screw 14 formed on the outer surface, and has a protruding cylindrical portion 16 through which the valve stem 15 is slidably inserted. The handle 17 is attached to the protruding cylindrical portion 16 of the valve stem guide 13. The handle 17 is provided with a knob 19 on the outer surface of one end of the rotating arm 18 and a mounting cylinder 20 protruding from the inner surface of the other end. A female screw 21 is formed which is screwed to the male screw 14 provided on the projecting cylindrical portion 17 of the body 13. That is, the handle 17 is connected to the valve stem guide 13 so as to be rotatable and movable in the axial direction of the mounting cylinder 20 by screwing the mounting cylinder 20 to the outside of the protruding cylinder 17. I have. As described above, the valve stem 15 slidably inserted into the projecting cylindrical portion 17 of the valve stem guide body 13 is provided with a valve plug 22 at its tip end capable of opening and closing one of the connection pipes 11 of the valve case 10. I have. The head 23 at the other end of the valve stem 15 protrudes from the protruding cylinder 16, and further penetrates the mounting cylinder 20 of the handle 17. That is, the head 23 of the valve stem 15 projects out of the rotating arm 18 of the handle 17. A locking groove 24 for assembling the clip 1 is provided around the head 23 of the valve stem 15. A stopper 25 for preventing the valve stem 15 from moving is attached to the side surface of the attachment cylinder 20 of the handle 17. The stopper 25 is moved inward by the force of a spring 26, and is movable outward by pulling a lever 27.

FIGS. 3 and 4 show a procedure for assembling the clip 1 to the valve stem 15 and the handle 17. First, as shown in FIG. 3, the head 23 of the valve stem 15 is inserted into the guide hole 4 in the substrate 2 of the clip 1. That is, the diameter of the inscribed circle of the guide hole 4 is larger than the outer diameter of the head 23. In this state, the legs 6 and 7 and the claw 8 of the clip 1 are located on the surface of the rotating arm 18 of the handle 17. Next, as shown in FIG. 4, the base 2 of the clip 1 is moved toward the knob 19 of the handle 17, and the head 23 of the valve stem 15 is moved from the guide hole 4 of the clip 1 to the locking hole 5. The position is changed, and the inner edge of the locking hole 5 is fitted into the locking groove 24 of the valve rod 15. The inner diameter of the locking hole 5 of the clip 1 is smaller than the outer diameter of the head 23 excluding the locking groove 24 of the valve rod 15. Then, the legs 6, 7 and the claw 8 of the clip 1 are lowered from the surface of the rotating arm 18 of the handle 17, and the legs 6, 7 are brought into contact with the side surface of the rotating arm 18. On the back side of the rotating arm 18.

Next, FIGS. 5 and 6 show a state in which the assembly of the clip 1 to the valve stem 15 and the handle 17 has been completed. The board portion 2 of the clip 1 comes into contact with the surface of the rotating arm portion 18 of the handle 17, and the inner edge of the locking hole 5 is fitted into the locking groove 24 as described above, so that the clip 1 and the valve stem 15 are locked. Further, the legs 6, 7 contact the side surface of the rotating arm 18 of the handle 17 to pinch the rotating arm 18, and the claw 8 wraps around the back side of the rotating arm 18 to hold it. State. Therefore, the board portion 2 of the clip 1 does not easily float from the surface of the rotating arm portion 18 of the handle 17.

In the valve device 9, by rotating the handle 17 to one side, the valve stem 15 moves forward, the valve plug 22 is seated on the valve seat 46, the connection pipe portion 11 is closed, and the handle 17 is inverted. By rotating in the direction, the valve stem 15 retreats, the valve plug 22 separates from the valve seat 46, and the connection pipe part 11 opens.

[0011]

[Effect of the invention]

 The clip for fixing the valve stem and handle in the manual opening / closing valve device of the present invention is as described above, and the legs 6 and 7 are provided at the outer edges on both sides of one end of the substrate portion 2. The claw 8 is further bent inward at the tip of the handle 17, so that the claw 8 wraps around the back side of the rotating arm 18 of the handle 17 and holds the claw 8. Of the clip 1 from the handle 17 and the valve stem 15 is prevented. Therefore, there is an effect that the fixed state between the handle 17 and the valve stem 15 is stabilized.

[Brief description of the drawings]

FIG. 1 is a perspective view of a clip.

FIG. 2 is a cross-sectional view of the valve device before a clip is attached.

FIG. 3 is a plan view showing a state in which a head of a valve stem is inserted into a guide hole of a clip.

FIG. 4 is a plan view showing a state in which an inner edge of a locking hole of a clip is fitted into a locking groove of a valve stem.

FIG. 5 is a cross-sectional view of the valve device in a state where a clip is assembled.

FIG. 6 is an end view taken along the line AA of FIG. 5;

FIG. 7 is a perspective view of a conventional clip.

FIG. 8 is a sectional view of a valve device in a state where a clip of a conventional example is assembled.

FIG. 9 is an end view taken along the line BB of FIG. 8;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Clip 2 Substrate part 3 Slit 4 Guide hole 5 Locking hole 6, 7 Leg part 8 Claw part 9 Valve device 10 Valve case 11, 11 Connection pipe part 13 Valve stem guide body 14 Male screw 15 Valve stem 16 Projecting cylinder part 17 Handle 18 Rotating arm 19 Knob 20 Mounting cylinder 21 Female screw 22 Valve plug 23 Head 24 Locking groove 25 Stopper 26 Spring 27 Lever 46 Valve seat

Claims (1)

[Utility model registration claims] 1. A guide hole (4) into which a head (23) of a valve stem (15) protruding outside the rotating arm (18) can be inserted into a substrate (2) in contact with the surface of a rotating arm (18) of a handle (17). By moving the portion 2, a locking groove 5 formed in the head 23 of the valve stem 15 is continuously formed with a locking hole 5 into which an inner edge thereof can be fitted, and the substrate portion divided by the slit 3. Legs 6 and 7 are provided at the outer edges on both sides of one end of the handle 1 so as to bend substantially perpendicularly so that the side surfaces on both sides of the rotating arm 18 of the handle 17 can be sandwiched, and further inside the leg 6 on one side. A manually actuated valve device in which a claw portion 8 which bends in the direction and wraps around the back surface of the rotating arm 18 of the handle 17 to hold the rotating arm 18 is provided. Fixing clip.