KR20000065346A - Handle for Panel Board - Google Patents

Abstract

PURPOSE: A handle for a distributor part is provided to adjust a rotation direction of a knob and a keeper, and force out the keeper by a spring force if the knob is moved up. CONSTITUTION: In a handle for a distributor part, if a knob is moved up, a keeper is forced out by a spring force. If a position of a stopper and a position of the keeper are changed, their horizontal rotation directions are changed. A rotation shaft(6) and a knob(7) are connected to a body(1) in order to make a hinge-movement. A cam surface(7a,7b) is made on a knob shaft. A compression spring is operated on the rotation shaft. If the knob is moved up by a button, the keeper(2) is moved back by a spring(13) force. At this time, if the knob is rotated horizontally by 90 deg., the keeper is released from a door frame without a friction. The knob and the keeper can be rotated in an opposite direction by 90 deg., when a position of the stopper(23) and a direction of the keeper are changed and coupled to each other. Therefore, a body is selectively mounted to the right side or the left side of the door. A waterproof structure is made by O-ring(9) and a pad(10).

Description

Handle for switchboard {Handle for Panel Board}

The present invention relates to a waterproof handle mainly installed in various communication equipment switchboards indoors and outdoors, and can adjust the rotation direction of the latch and knob, and the latch is pushed by the spring force when the knob is lifted.

The handle installed in a conventional switchboard or control panel has a method of lifting up the lower end of the knob by pressing a button installed in the lower part of the body and lifting it up by the force of a spring installed on the shaft of the upper part of the knob, and a part protruding behind the shaft of the knob. Press to raise the lower part of the knob by the principle of the lever. There is also a way to rotate the knob raised 90 degrees to the side as shown above. In the former case, the clasp installed behind the shaft of the knob is connected to the lever movement. When the knob is raised, the clasp restrains the door frame and releases it. When the knob is pressed again, the clasp moves up and restrains the door frame. In the latter case, the clasp and knob are rotated only in the right direction (counterclockwise), so turning the knob to the right causes the clasp to turn to the right to release from the door frame.

However, the conventional handle as described above has a difficulty in locking or opening the door when the knob is turned to the side when the latch is close to the door frame when opening or closing the door of the switchboard. In order to avoid this, if the clasp is assembled slightly away from the door frame, noise may be generated when the knob is operated, or a gap may be generated between the door and the door frame, causing damage to the appearance and rattle. In particular, in the case of a switchboard installed outdoors, if the door is not locked to the door frame as above, water or dust or insects may enter the switchboard, causing various problems.

Since the knob and the latch fixed to the shaft of the knob rotate only in one side direction, it can only be installed on one side of the door of the switchboard or the control panel. There was a problem that was not easy. In addition, the conventional handle is not made waterproof outdoors, there was also a problem such as being easily corroded or short-circuited when water enters inside.

The present invention is to solve such a conventional problem, the knob is pushed up by the spring force when the knob is lifted up to be pressed to the door frame only when the door is locked and to open smoothly when opening the door, the other The objective is to change the rotation of the knob and the latch by simply changing the position of the stopper and the latch so that the installation position on the door can be selected as desired according to the installation location of the switchboard and provide a waterproof handle.

1 is a perspective view of a handle of an embodiment of the present invention.

2 is an exploded perspective view thereof.

3 is a partially cutaway side view of the coupled state;

Figure 4 is an enlarged cross-sectional view of the main part of the present invention showing the sliding phenomenon of the latch when the knob is operated.

5 is a cross-sectional view taken along the line A-A of FIG. 3 showing the operation relationship between the latch, the knob and the stopper.

Figure 6 is a cross-sectional view taken along the line A-A of Figure 3 showing the direction change of the latch and the knob and stopper.

<Explanation of symbols for main parts of drawing>

1: body, 2: latch, 3: boss, 3a: inner boss, 3b: stop jaw, 4: knob mounting groove, 5: button, 6: rotary shaft, 7: knob, 8: bracket, 9: o-ring, 10: Pad, 13: Spring, 16: Spring Holder, 21: Pin, 23: Stopper, 23a: Jam

The present invention, in order to achieve the above object, the boss having a stop jaw on the rear side is formed on the top and the knob installation groove is formed on the front side and the button is installed, the left and right sections of the boss other than the stop jaw of the body A stopper that rotates 90 ° with a stopper, a rotating shaft engaged with the stopper so as to rotate left and right by a turning section of the stopper within the boss of the body, and being resilient rearward by a spring; And a knob coupled to the rotary shaft so as to be articulated with the rotational shaft, and the bottom surface of the body of the boss is cam-shaped while receiving the elasticity of the spring and restrained by the button in the knob installation groove of the body. It is made up.

According to the present invention configured as described above, when the knob is pushed upward by pushing the button, the latch is pushed backward by the spring force, and when the knob is rotated 90 ° left or right in this state, the latch is released without friction in the door frame. Knobs and latches can be rotated 90 ° in the opposite direction by combining the stopper's position with the latch's orientation. Therefore, the body can be installed on the right or left side of the door.

Embodiments of the present invention will now be described with reference to the accompanying drawings.

1 shows an assembled state when the body 1 is installed on the left side of a door (not shown). At this time, the latch 2 extends toward the left. Body 1 is a boss 3 protruding rearward as shown in Figure 2 is formed in a cylindrical shape at the top, the front is formed with a long knob installation groove (4). The rotary shaft 6 is fitted into the boss 3, the knob 7 is fitted into the knob mounting groove 4, and the lower end of the knob mounting groove 4 is attached with the button 5 assembled. . When the button 5 is pressed, the internal rod pushes the locker 5a into which the spring compresses. Then the knob 7 is lifted out of the restraint of the locker 5a.

Body 1 is to be installed in various switchboards or control panels indoors and outdoors, it can be selectively installed on the right or left of the door (not shown) of the switchboard. The body (1) is to be fixed to the edge of the handle mounting hole drilled in the door with a bracket (8), the O-ring (9) is fitted to the rotating shaft (6) for waterproofing and pads on the edge of the body (1) 10 is attached. The O-ring 9 holds liquid tightly between the body 1 and the axis of rotation 6, and the pad 10 is liquid tightly between the body 1 and the door when the body 1 is fixed to the door by the bracket 8. Keep it. In particular, since there is a groove 10a into which the thick edge of the pad 10 can be fitted inside the edge of the body 1 in contact with the pad 10, the pad 10 is pressed into the groove 10a. If it does, the guide and waterproof function are attached to prevent the pad from moving.

There is another inner boss 3a in the boss 3 so that the rotary shaft 6 is fitted in the inner boss 3a, and the bottom surface of the knob 7 of the portion engaged with the rotary shaft 6 is the inner boss (3). Friction with the front of 3a). As shown in FIGS. 5 and 6, the stop jaw 3b protrudes symmetrically on both sides of the boss 3 in the circumferential direction, and sections other than the stop jaw 3b are dug at a constant depth in the circumferential direction. have.

The stopper 23 is fitted to the square projection 14 formed at the rear end of the rotation shaft 6, and the locking projections that can be caught while turning between the stop jaw 3b and the stop jaw 3b of the boss 3 ( 23a) are formed at both ends, and the left and right rotation directions of the knob 7 are reversed when the ends of the stopper 23 are rotated by 90 ° to engage the rear of the rotation shaft 6.

The rotating shaft 6 may be rotated left and right within the boss 3, and as shown in FIGS. 3 and 4, the stopper 23 and the clasp 2 are square to the rear center of the rear corner projection 14. A projection 14 is formed so that the washer 15 having a square hole, the stopper 23 and the clasp 2 are fitted thereto and fixed with a bolt 17. In addition, in front of the rotation shaft 6, a pin hole 18 through which the upper portion of the knob 7 is rotatably fitted is drilled.

On the other hand, between the boss 3 and the inner boss 3a, a spring 13 and a ring 16a for fixing the spring holder 16 and the spring holder 16 supporting the spring 13 to the rotation shaft 6 are provided. Is installed. Thus, the rotating shaft 6 is applied with a compressive force to the rear by the force of the spring 13 in the inner boss (3a).

Knob (7) is a key bundle 19 is installed in the lower portion, the lower portion is rotated up and down as shown in Figure 4 in the knob installation groove (4) of the body (1). The pin hole 20 is formed in the upper part of the knob 7, The pin 21 is pinched | interposed into the pin hole 20 and the pin hole 18 of the rotating shaft 6, and the knob 7 and the rotating shaft 6 ) Joint motion around the pin (21). In other words, the knob 7 is rotated up and down about the pin 21.

In addition, cam surfaces 7a and 7b having different vertices from the centerline of the pins 21 are formed at the bottom of the knob 7 at the portion engaged with the rotation shaft 6. One cam surface 7a has a high vertex from the centerline of the pin 21, and the other cam surface 7b has a low vertex from the centerline of the pin 21. Therefore, when one cam surface 7a touches the internal boss 3a, the latch 2 is moved like the left virtual line in Fig. 4 while the knob 7 is closed downward, and the spring 13 is compressed. On the other hand, when the other cam surface 7b contacts the inner boss 3a surface, the latch 7 is pushed up like the solid line of FIG. 4 by the compression force of the spring 13 while the knob 7 is lifted up. At this time, the latch 2 is separated from the door frame of the switchboard.

Accordingly, when the body 1 is fixed to the left side of the door of the switchboard or the control panel, the front end of the latch 2 is coupled to the rear end of the rotation shaft 6 toward the left side as shown in FIGS. 1 and 2. In this case, the knob 7 must be rotated to the right (counterclockwise direction; FIG. 5 is a rear view illustrating this content but will be described in the opposite direction) corresponding to the rotation direction of the latch 2. The stopper 23 is coupled to the rotary shaft 6 so that the engaging protrusion 23a of the) is positioned on the lower right and left sides of the stop jaw 3b, respectively. In this case, press the button 5 and flip the knob 7 as shown in FIG. 4, and then rotate 90 ° to the right. Accordingly, you can open the door to the right by holding the knob (7).

When the body 1 is to be fixed to the right side of a door such as a switchboard, the axis of rotation of the latch 2 is directed to the right side (FIG. 6 is an explanatory view of this content, but will be described in the opposite direction since it is a rear view). It is to be combined at the end of (6). Then, the stopper 23 is coupled to the rotation shaft 6 so that the locking protrusion 23a of the stopper 23 is located at the upper right and lower left of the stop jaw 3b, respectively. In this way, the knob 7 and the latch 2 are rotated to the left (clockwise). That is, by pressing the button 5 and turning the knob 7 as shown in FIG. 4 and rotating it 90 ° to the left, the front end of the latch 2 is pushed backward while rotating to the left to release the restraint from the door frame of the switchboard. Accordingly, you can open the door to the left by holding the knob (7).

When the knob 7 is rotated to the right or left as described above and returned to the opposite direction, the knob 7 is restrained by the button 5 as the knob 7 enters the knob installation groove 4 of the body 1.

When the knob is lifted up, the latch is pushed backward by the spring force so that the door is pressed into the door frame only when the door is locked and opened smoothly when the door is opened. There is an effect such as. In addition, changing the position of the stopper and the clasp changes the direction of rotation of the knob and the clasp, so that the installation position of the door can be selected according to the location of the switchboard. In addition, the O-ring and the pad are waterproofed outdoors, and additionally, a groove is formed at the edge of the body to serve as a guide to prevent the pad from being pushed during assembly of the handle.

Claims (2)

A boss having a stop jaw at the rear is formed at the top, and a knob installation groove is formed at the front, and a button is installed. A stopper for turning a section other than the stop jaw from the boss rear of the body 90 ° to the left and right, and the body. A rotating shaft coupled with the stopper to be rotated left and right by the turning section of the stopper within the boss of the stopper and being resilient to the rear by a spring, a latch that is selectively selected from side to side in the rear of the rotating shaft, and the rotating shaft and the joint Handles for switchboards, characterized in that the movement is coupled to the bottom of the boss in the body of the body is formed to the cam movement while receiving the elasticity of the spring and the knob is bound to the button in the knob installation groove of the body. According to claim 1, wherein the boss rear surface of the body has a stop jaw symmetrically up and down, the stopper has a locking projection that can be caught while turning between the stop jaw and the stop jaw is formed at both ends, both ends of the stopper The switch for the switchboard, characterized in that configured to change the left and right rotation direction of the knob is reversed when the direction is changed to 90 degrees to the rear of the rotary shaft.