JP2544648B2 - Valve opening / closing device and flexible tubular valve with valve opening / closing device - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a valve opening / closing device for externally opening / closing a valve for controlling supply / disconnection of various powder / liquid conveying devices.

2. Related Art and Problems Thereof A valve opening / closing device of this type is generally attached to a valve body. When the hopper and the tank equipped with the valve move, the existence of the valve opening / closing device causes a problem in the movement of the hopper and the tank equipped with the valve.

Further, when the valve opening / closing device is independent of the valve and the valve opening / closing device is fixed, it is difficult to stop the moving hopper, tank, etc. at a position where the valve and the valve opening / closing device coincide. is there.

When transporting powdered foods, chemicals, scientific substances, etc.,
There is a problem that the work environment is deteriorated due to the scattering of the above substances on the supply and discharge port side.

Means for Solving the Problems The first invention of the present application has an opening / closing driver whose upper portion is engageable with a valve handle in a rotational direction, and a drive groove for vertically driving the opening / closing driver. An outer cylinder body and an inner cylinder body having a guide groove for driving the opening / closing drive body in the left-right direction are provided, and the slide pin engaging with the drive groove of the outer cylinder body and the guide groove of the inner cylinder body is opened and closed. The valve handle is rotated through the opening / closing driver by rotating a power transmission member provided on the driver and fixed to the outer cylinder to open / close the valve.

The second invention of the present application is provided with a relative position adjusting mechanism for connecting the opening / closing drive body of the first invention and the valve handle so that the relative position can be freely changed in the three-dimensional direction, and rotates the power transmission body fixed to the outer cylindrical body. By doing so, the valve handle is rotated through the opening / closing driver to open / close the valve, and the operating position of the valve opening / closing device with respect to the valve can be adjusted.

The third invention of the present application is for operating the valve opening / closing of the flexible cylinder by being rotated by the opening / closing drive of the valve opening / closing device of the first invention to rotate the flexible cylinder for cutting off powder supply. A rotary operating body is provided, and by rotating the power transmission body fixed to the outer cylinder body, it is possible to freely operate the valve opening and closing of the flexible cylinder type of the flexible cylinder type valve for shutting off powder supply through the opening / closing drive body. And

Embodiments Embodiments will be described below with reference to the embodiments shown in the drawings.

Referring to FIG. 1 to FIG. 3, a tubular opening / closing driver 1
In addition, the inner cylindrical body 3 is arranged on the inner peripheral side of the inner cylindrical body 3 and the outer cylindrical body 2 is arranged on the outer peripheral side thereof so as to be concentrically arranged. With the formed guide groove B,
The drive groove A formed on the inner peripheral side of the outer tubular body 2 is engaged.

A power transmission body (rotating plate) 5 is fixed to the outer periphery of the outer cylindrical body 2, a driving wheel 6 that is transmitted to the rotating plate 5 and an electric motor 7 that is directly connected to the transmitting wheel 6 are provided. The outer cylinder body 2 is configured to rotate via the rotating plate 5.

In the embodiment, the guide groove B of the inner cylinder 2 is
Is a developed inverted L-shape having a vertical portion B1 and a horizontal portion B2, and the drive groove A of the outer cylinder 3 has a shape having an inclined portion A1 and a vertical portion A2.

With reference to FIG. 3, the lower end of the inner cylinder 3 is fixed to the support plate 9, and the guide groove B of the inner cylinder 3 is always at a fixed position. The outer cylindrical body 2 is rotatably supported by rollers 8.

Thus, when the outer cylinder 2 is rotated by the rotation of the motor 7, the opening / closing driver 1 rises when the slide pin 4 engages with the vertical portion B1 of the guide groove B and the inclined portion A1 of the drive groove A. After that, when the slide pin 4 engages with the horizontal portion B2 of the guide groove B and the vertical portion A2 of the drive groove A, the opening / closing drive body 1 is rotated left and right.

The upper engaging portion 1a of the opening / closing driver 1 has a knurled groove or other suitable engaging structure. In the embodiment of FIG. 4, the engaging portion 1a 'having an uneven shape inclined toward the inner center is provided.
(Fig. A), an upward and downward engaging portion 1a "(Fig. B) is provided, and the valve handle is provided with a protrusion facing the engaging portions 1a 'and 1a".

Next, the operation position adjusting mechanism 10 will be described with reference to FIGS. 5 to 7.

A first frame body 13 whose relative position can be freely changed in the X-axis direction with respect to a valve handle 12 integrated with the valve 11 is provided.
13 and the second frame body 14, the relative position of the first frame body 13 in the Y-axis direction is freely changeable, and the hanging shaft fixed to the lower surface of the second frame body 14.
15 and the spring 16 make it possible to change the mutual spacing in the Z-axis direction (vertical direction) with the third frame body 17, and the third frame body 17 can be engaged with the locking portion 1a of the opening / closing drive body 1 by an operation receiver. Fix the body 18,
The operation position adjusting mechanism 10 is configured so that the relative position between the valve handle 12 of the valve 11 and the operation receiving body 18 can be adjusted in the three-dimensional directions of the X axis direction, the Y axis direction, and the Z axis direction.

In the valve opening / closing device equipped with the above-mentioned operation position adjusting mechanism 10, when the valve equipped tank and the transport pipe are stopped at a predetermined position during valve operation, a relative position between the valve opening / closing device and the valve handle is displaced to open / close. When the driving body 1 does not coincide with the axis of the valve 10, the first frame body 13 is moved in the X-axis direction, the second frame body 15 is moved in the Y-axis direction, and the third frame body 18 is moved in the Z-axis direction. Therefore, the operation receiving body 19 and the engaging portion 19a of the open / close drive body 1 are made to coincide with the engaging portion 19a of the open / close drive body 1 regardless of the disagreement of the axes. Therefore, even if an error occurs in the stop position of the tank, the transport pipe, etc., the valve can be operated.

8 to 9 are described in Japanese Patent Application No. 61-236568 by the applicant of the present application.
An example of a third invention in which a flexible tubular valve 20 for shutting off powder supply, which has been filed in No. “Shutoff valve in a hopper for powder or granular material,” is opened / closed by the above-mentioned opening / closing driver 1. The rotary operation body 23 of the shutoff valve (flexible tubular valve) 20 of the prior application is rotated by the valve opening / closing operation of the first invention, but in the embodiment, the operation position in the second invention. The adjusting mechanism 10 is interposed. That is, the valve handle 12 in FIG.
Is engageable with and disengageable from the locking portion 1a at the upper end of the opening / closing driver 1 of the valve opening / closing device.

In the valve closed state of FIG. 8, the valve moves and stops at a predetermined position facing the valve opening / closing device 1. After that, the power transmission body 1 is rotationally driven, so that the opening / closing drive body 1 of the valve opening / closing device is lifted and abutted and locked with the operation receiving body 18, and then the rotating operation body 23 is rotated, and the flexible tubular body is rotated. Rotate the lower end of 21 to open the valve shown in FIG.

Since the relative position adjusting mechanism 10 is provided in the embodiment, there is an error in the stop position of the valve, and there is an error in the axis of the flexible tubular valve and the axis of the valve opening / closing device. Also, the valve operation can be reliably performed, which is convenient, but the object of the third invention can be achieved even if the operation receiving body 18 is fixed to the rotating operation body 23 and the relative position adjusting mechanism 10 is omitted. You can

Referring to FIG. 8 and FIG. 9, 24 is a seat cover provided inside the inner tubular body 3 of the valve opening / closing device, which is fixed to a donut-shaped upper plate 25 and a lower plate 26 and supplies the valve. It prevents the substance dropped by the mouth from scattering to the valve opening / closing device.

Further, the shaft 27 supporting the upper plate 25 is a cylinder 29 which is integrated with the lower plate 26.
Since the spring 28 is inserted into the shaft 27 and the upper plate 25 is supported in a floating state, the lower end of the flexible tubular body 21 is brought into close contact with the upper plate 25 in the valve open state of FIG. More reliably prevent falling material from scattering.

10 and 11 show the positional relationship between the valve opening / closing device and the valve movement line FL, and there is no contact with the valve at the lower position (non-operating state) of the opening / closing driver.

Therefore, even if the valve opening / closing device of the present invention is provided, the valve (including the transport path and the hopper) can be horizontally moved without any trouble.

Advantageous Effects of Invention According to the first aspect of the present invention, when the tank to which the valve body is attached, the transfer pipe, or the like moves, the valve opening / closing device is set at a fixed position and the power transmission body is rotated without the need for hydraulic and pneumatic mechanisms. By doing so, the valve can be operated and the valve operating mechanism can be simplified.

The second invention of the present application has an effect of absorbing the error in the stop position of the valve main body with respect to the valve opening / closing device and opening / closing the valve.

The third invention of the present application has an effect of preventing scattering of powder or the like by surrounding the powder or the like falling from the supply port of the flexible tubular valve with the valve opening / closing device.

[Brief description of drawings]

FIG. 1 is a perspective view of a valve opening / closing device showing an embodiment of the first invention of the present application. FIG. 2 is a perspective view in which the same is partially cut out. FIG. 3 is a partial vertical sectional view of the same. FIG. 4 is a perspective view of the opening / closing driver. FIG. 5 is a perspective view of the operation position adjusting mechanism. FIG. 6 is a longitudinal sectional view of the main part of the same, showing the Z-axis direction expansion / contraction mechanism. FIG. 7 is a vertical cross-sectional view showing the opening / closing drive member so as to face it. 8 and 9 are longitudinal sectional views showing an embodiment applied to the flexible tubular valve of the third invention of the present application, and FIG. 8 shows the flexible tubular body in a closed state (valve closed), and FIG. 9 shows an open state (valve open). FIG. 10 is a perspective view shown in comparison with the movement line of the valve body. FIG. 11 is a side view. 1 …… Opening / closing drive body 2 …… Outer cylinder body 3 …… Inner cylinder body 4 …… Slide pin 5 …… Power transmission body (rotating plate) 10 …… Operating position adjusting mechanism 20 …… Flexible cylinder valve 23 ...... Rotating body A …… Drive groove B …… Guide groove

Claims (3)

(57) [Claims] 1. An outer cylinder body 2 having a drive groove A for vertically driving and horizontally rotating the opening / closing drive body, and for vertically driving the opening / closing drive body as the outer cylinder body rotates. An inner cylindrical body 3 having a guide groove B and fixed to a support plate 9; and a cylindrical body interposed between the outer cylindrical body 2 and the inner cylindrical body 3 in a loose state, An opening / closing drive body 1 having a locking portion 1a which is engageable with a valve handle at an upper end portion thereof, and a slide pin 4 which engages with a drive groove A of an outer cylinder body 2 and a guide groove B of an inner cylinder body 3, , A power transmission body 5 fixed to the outer cylinder body 2, and the opening / closing drive body 1 by rotating the power transmission body 5.
A valve opening / closing device, characterized in that the valve handle is rotated through the opening / closing operation of the valve. 2. An outer cylinder body 2 having a drive groove A for vertically driving and horizontally rotating the opening / closing drive body, and for driving the opening / closing drive body in the vertical direction as the outer cylinder body rotates. An inner cylindrical body 3 having a guide groove B and fixed to a support plate 9; and a cylindrical body interposed between the outer cylindrical body 2 and the inner cylindrical body 3 in a loose state, An opening / closing drive body 1 having a locking portion 1a at its upper end and having a slide pin 4 engaging with a drive groove A of the outer cylinder body 2 and a guide groove B of the inner cylinder body 3, and was fixed to the outer cylinder body 2. It has a power transmission body 5 and an operation receiving body 18 that can be engaged with the locking portion 1a of the opening / closing drive body 1, and the valve handle 12 and the operation receiving body 18 are positioned relative to each other in a three-dimensional direction. An operation position adjusting mechanism for connecting the position freely is provided, and by rotating the power transmission body 5, the opening / closing drive body 1
A valve opening / closing device characterized in that a valve handle is rotated via the valve to open / close the valve and the relative position of the valve opening / closing device to the valve is adjustable. 3. An outer cylinder body 2 having a drive groove A for vertically driving and horizontally rotating the opening / closing drive body, and the opening / closing drive body 1 is vertically driven as the outer cylinder body rotates. An opening / closing drive body 1 having a guide groove B for fixing the inner cylinder body 2 fixed to the support plate, and a slide pin 4 engaging with the drive groove A of the outer cylinder body and the guide groove B of the inner cylinder body, A flexible tubular valve having a rotary operating body 23 which is operated by the opening / closing drive body 1 to rotate the flexible tubular body for cutting off powder supply to operate the valve opening / closing of the flexible tubular body. 20 and the outer cylinder 2
A valve which is capable of freely opening and closing the valve of the flexible tubular body of the flexible tubular valve 20 for cutting off powder supply through the opening / closing drive body 1 by rotating the power transmission body 5 fixed to the valve. Flexible tubular valve with switchgear.