JP2019215034A - Handle operation device for opening/closing valve - Google Patents

Abstract

To provide a handle operation device for an opening/closing valve capable of being connected to a manual handle simply, to improve work efficiency.SOLUTION: An electric drive part is installed and fixed on a stand frame upper part via a drive source fixing part; a handle clamp part for opening and closing a handle for an opening/closing valve is interlocked to the output shaft of the electric drive part via a speed reduction mechanism; the speed reduction mechanism is installed on the stand frame in front of the output shaft of the drive part; and the deceleration output part of the speed reduction mechanism is interlockingly provided with the handle clamp part which is provided at a plurality of positions on a virtual ring and has a clamp bar which is protrusively provided so as to be contactable with the spoke of the handle for the opening/closing valve.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an opening / closing valve handle operating device that is connected to an opening / closing valve handle to perform an opening / closing operation.

  2. Description of the Related Art Conventionally, when a handle is rotated to perform an opening / closing operation on an object, a technique of connecting the handle to a handle and rotating the handle by power has been used.

  As a technique connected to the handle side and rotated by power, for example, there is a technique disclosed in Patent Document 1. This technology equips a portable drive device with a motor, holds and holds the handle of the drive device, connects the output shaft of the motor to the rotation shaft of the manual handle via a connecting portion, and operates the manual handle by the power of the motor. Is to rotate.

JP 2017-203331 A

  In the above-described prior art, the operation has to be performed by holding the driving device by hand, and a connecting portion configuration for connecting the output shaft of the motor to the rotating shaft of the manual handle is required. Is bad.

  The present invention has been made in view of the above-mentioned problems, and can be easily connected to a manual handle, and can be stably placed on a tread surface to be stably operated, thereby facilitating an operation operation. It is another object of the present invention to provide an operating device for an on-off valve handle with improved work efficiency.

According to a first aspect of the present invention, an electric drive unit is set and fixed on a stand frame upper portion via a drive source fixing unit,
An opening / closing valve handle operating device in which a handle clamp portion for opening / closing an opening / closing valve handle is opened / closed via a deceleration mechanism to an output shaft of an electric drive portion in an interlocking manner.
The reduction mechanism is installed on the stand frame in front of the output shaft of the drive unit,
A handle for an opening / closing valve, wherein a handle clamp portion is provided at a deceleration output portion of the speed reduction mechanism in which a clamp bar protruding from a spoke of the handle for the opening / closing valve is protruded at a plurality of positions on an imaginary ring. Operating device.

According to the first aspect, in order to use the operating device for the opening / closing valve handle, the upper portion of the stand frame faces the opening / closing valve handle, and is provided at a plurality of positions on the virtual ring of the handle clamp portion. The clamp bar is brought into contact with the spoke of the handle for the open / close valve.
Therefore, when the electric drive unit set and fixed on the upper portion of the stand frame is operated via the drive source fixing unit, the electric drive unit is installed on the output shaft of the electric drive unit, on the stand frame in front of the output shaft of the drive unit, and is connected via the speed reduction mechanism. As a result, the handle clamp portion for performing an opening / closing operation interlocked with the deceleration output portion rotates. Thus, the handle for the open / close valve is driven to rotate, and the open / close valve is opened. If the drive unit is rotated in the reverse direction in the same manner, the open / close valve is closed.
Then, when the clamp bar protruding from the handle clamp portion is separated from the spoke of the handle for the opening / closing valve, the operating device for the handle for the opening / closing valve can be transported and used for another site.

A second aspect of the present invention is the operating device for an on-off valve handle according to the first aspect, wherein the driving unit is an electric screwdriver.
According to the second aspect, since the drive unit is an electric screwdriver, a commercially available inexpensive electric screwdriver can be used, and a cheap and simple structure can be achieved.

A third aspect of the present invention is the operating device for an on-off valve handle according to the first aspect, wherein the driving unit is a DC motor.
According to the third aspect, since the drive unit is a DC motor, a stable DC motor can be used to provide a stable operation device for the opening / closing valve handle.

A fourth aspect of the present invention is characterized in that the driving source fixing portion is constituted by a stay engaging portion for fixing left and right stays of the electric screwdriver, and a support frame for supporting a lower case of the electric screwdriver. An operating device for an on-off valve handle according to any one of aspects 1 to 3.
According to the fourth aspect, the left and right stays of the electric screwdriver are fixed to the stay engaging portions of the drive source fixing portion, and the lower case of the electric screwdriver is supported on the support frame. Can be appropriate.

According to a fifth aspect of the present invention, a handle clamp portion includes a bar support annular plate having a central portion interlockedly connected to a deceleration output portion of a speed reduction mechanism, and a plurality of clamp bars protruding from a periphery of the annular plate. The operating device for an on-off valve handle according to any one of aspects 1 to 4, further comprising:
According to the fifth aspect, the handle clamp portion includes a bar support annular plate having a central portion interlockedly connected to the deceleration output portion of the speed reduction mechanism, and a plurality of clamp bars protruding from a periphery of the annular plate. With this configuration, the operating device can be easily and surely connected to the opening / closing valve handle, and a user-friendly operating device for the opening / closing valve handle can be provided.

A sixth aspect of the present invention is characterized in that a vertical support plate is mounted on the stand frame so as to be vertically adjustable, a speed reduction mechanism is mounted on the front surface of the vertical support plate, and a drive unit is mounted on the rear surface. 6. The operating device for an on-off valve handle according to claim 5.
According to the sixth aspect, since the vertical support plate is attached to the stand frame so that the vertical position can be adjusted, the height of the vertical support plate of the operating device can be easily adjusted to the height of the handle for the opening / closing valve. The operating device for the open / close valve handle can be improved. Further, since the speed reduction mechanism is mounted on the front surface of the vertical support plate and the drive unit is mounted on the rear surface, the mounting state can be simplified, and a lightweight and easy-to-use operating device for the on-off valve handle can be obtained.

In a seventh aspect of the present invention, the stand frame has a substantially L-shape when viewed from the side, and the lower projecting portion 14 is a foot fixed frame. It is an operating device of the handle for the opening / closing valve according to the above.
According to the seventh aspect, the stand frame is configured to be substantially L-shaped when viewed from the side, and the lower protruding portion 14 is a step fixing frame, so that each component can be mounted based on the stand frame, The configuration is rational. Further, since the lower projecting portion is a stepping fixed frame, when the operating device for the handle for the opening / closing valve is used and the weight is stepped on the stepping fixed frame, the operating device is stable and easy to use.

According to the first aspect of the present invention, in order to use the operating device for the opening / closing valve handle, the upper portion of the stand frame faces the opening / closing valve handle, and the handle clamp portion is provided at a plurality of positions on the virtual ring. The clamp bar is brought into contact with the spoke of the handle for the open / close valve. As described above, the operating device can be easily put into the use state, and the operation is easy and the handling property is good.
When the electric drive unit set and fixed to the upper part of the stand frame via the drive source fixing unit is operated, the output shaft of the electric drive unit is installed on the stand frame in front of the output shaft of the drive unit, via the speed reduction mechanism, A handle clamp unit for performing an opening / closing operation linked to the deceleration output unit rotates. Thus, the handle for the open / close valve is driven to rotate, and the open / close valve is opened. If the drive unit is rotated in the reverse direction in the same manner, the open / close valve is closed. As described above, since the handle for the opening / closing valve is rotationally driven by the power, the working efficiency is improved.
Then, if the clamp bar protruding from the handle clamp part is separated from the spoke of the handle for the opening and closing valve, the operating device of the handle for the opening and closing valve can be transported and used at another site, so that convenience is good, This has the effect of being versatile.

According to the invention of claim 2,
Since the drive unit is an electric screwdriver, a commercially available inexpensive electric screwdriver can be used, and a simple and inexpensive structure can be achieved, which has the effect of contributing to cost reduction.

  According to the third aspect of the present invention, since the drive unit is a DC motor, a stable DC motor can be used, and the operating device for the opening / closing valve handle with stable performance can be obtained. It has the effect of becoming.

  According to the fourth aspect of the present invention, the left and right stays of the electric screwdriver are fixed to the stay engaging portions of the drive source fixing portion, and the lower case of the electric screwdriver is supported on the support frame. Therefore, there is an effect that an operating device for the opening / closing valve handle with good assemblability can be obtained.

  According to the fifth aspect of the present invention, the handle clamp portion includes a bar support annular plate having a central portion interlockedly connected to the deceleration output portion of the speed reduction mechanism, and a plurality of clamp bars projecting from the periphery of the annular plate. , The operation device can be easily and reliably connected to the opening / closing valve handle, and the device has an advantage of being easy to use.

  According to the invention of claim 6, since the vertical support plate is attached to the stand frame so that the vertical position can be adjusted, the height of the vertical support plate of the operating device can be easily adjusted to the height of the handle for the open / close valve, Since the speed reduction mechanism is mounted on the front surface of the vertical support plate and the drive unit is mounted on the rear surface, there is an effect that the device can be made simple, lightweight and easy to use.

  According to the invention of claim 7, the stand frame is formed in a substantially L-shape when viewed from the side, and the lower projecting portion 14 is a fixed stepping frame, so that each component can be mounted based on the stand frame. , The lower protruding part is a fixed foot step frame, so when using the operating device of the handle for the opening / closing valve, if you step on the foot fixing frame and put on weight, the operating device will be stable, easy to use, and reasonable in configuration It has the effect that it becomes something.

It is a principal part disassembled perspective view which shows the operating device of the handle for on-off valves according to the first embodiment of the present invention. It is the perspective view which looked at the operating device of the handle for on-off valves concerning a 1st embodiment of the present invention from the back side. It is a side view of the operation device of the handle for the opening and closing valves according to the first embodiment of the present invention. It is a rear view of the operation device of the handle for the on-off valve according to the first embodiment of the present invention. FIG. 5 is an enlarged view of a portion C of FIG. 4 showing the operating device for the opening / closing valve handle according to the first embodiment of the present invention. FIG. 5 is an enlarged view of a portion AB of FIG. 4 showing the operating device for the opening / closing valve handle according to the first embodiment of the present invention. It is a front view of the speed reduction mechanism of the operating device for the handle for the on-off valve according to the first embodiment of the present invention. It is a top view of the speed reduction mechanism of the operating device of the handle for the on-off valve according to the first embodiment of the present invention. It is a longitudinal section of the reduction gear mechanism of the operating device of the handle for the opening and closing valves according to the first embodiment of the present invention. It is a front view of the bar support ring plate of the operation device of the handle for the on-off valve according to the first embodiment of the present invention. It is a side view of the bar support ring plate of the operation device of the handle for the on-off valves according to the first embodiment of the present invention. It is a rear view of the bar support ring of the operating device for the handle for the on-off valve according to the first embodiment of the present invention. It is the perspective view which looked at the operating device of the handle for the opening and closing valves concerning a 2nd embodiment of the present invention from the back side. It is a side view of the operation device of the handle for the on-off valve according to the second embodiment of the present invention. It is a rear view of the operating device for the handle for the on-off valve according to the second embodiment of the present invention. It is an enlarged view of the D section of Drawing 14 showing the operating device of the handle for the on-off valve according to the second embodiment of the present invention.

  Next, an embodiment for implementing the present invention (hereinafter, referred to as an embodiment) will be described with reference to the drawings. In the drawings, the same or similar parts are denoted by the same or similar reference numerals. However, the drawings are schematic, and the dimensional ratios and the like of the respective parts do not always correspond to actual ones. In addition, it is needless to say that dimensional relationships and ratios are different between drawings.

<1. First Embodiment>
1 to 4 are views showing a configuration example of an operating device 1 for an on-off valve handle according to a first embodiment of the present invention.

  As shown in FIGS. 1 and 2, a stand frame 10 on which each component is mounted has a side frame 11 connected by an upper end and a lower end, an upper sap 12 and a lower sap 13, and a lower projection 14. And are substantially L-shaped in side view. The lower projecting portion 14 is provided with a step fixing frame 15. The step fixing frame 15 has a U-shape, and an end portion 14a is pivotally attached to the side frame pillar 11 by a pivot bracket 11a, and a ground piece 16 is attached to a short side portion of the U-shape. Further, the step fixing frame 15 is fixed to the lower end of the side frame pillar 11 by a connecting member 15a. The middle part of the side frame pillar 11 is connected by a connecting member 17a. As shown in FIG. 5, a pivot shaft 13a is protruded from the lower side material 13, and a moving wheel 17 is pivotally supported by the pivot shaft 13a.

  As shown in FIGS. 1 to 4, an electric drive unit 30 is set and fixed on the stand frame 10 via a drive source fixing unit 20. In the first embodiment, the electric drive unit 30 is an electric driver. 31. A handle clamp 50 for opening and closing the open / close valve handle H via the reduction mechanism 40 is interlockedly connected to the output shaft 32 of the electric drive unit 30. The drive source fixing unit 20 is configured by installing a drive source support unit 25 on a vertical support plate 21, and the vertical support plate 21 is attached to the stand frame 10 so that the vertical position can be adjusted. Side portions of the vertical support plate 21 are slidably fitted to the side frame columns 11 of the stand frame 10 by sliding pieces 22 and 23. One of the sliding pieces 23 is provided with a clamp lever 24 for suppressing the sliding if necessary. The speed reduction mechanism 40 is mounted on the front surface of the vertical support plate 21, and the electric driver 31, which is the electric drive unit 30, is mounted on the drive source support unit 25 on the rear surface side.

  As shown in FIG. 1, the mounting plate 27 of the driving source support portion 25 of the driving source fixing portion 20 is formed by a holding bracket 26 so as to protrude toward the rear surface side of the vertical support plate 21. The mounting plate 27 includes a stay engaging portion 28 for fixing left and right stays 33 provided on the electric screwdriver 31 and a U-shaped support frame 29 for supporting a lower case 34 in which a storage battery of the electric screwdriver 31 is stored. It is provided to protrude backward. The stay engaging portion 28 is provided with a holding opening 28 a into which the left and right stays 33 provided on the electric screwdriver 31 are fitted.

  As shown in FIGS. 1 and 7 to 9, the speed reduction mechanism 40 is installed on the vertical support plate 21 supported by the stand frame 10 in front of the output shaft 32 of the electric drive unit 30, and the speed reduction output unit 41 of the speed reduction mechanism 40. , A handle clamp 50 is interlocked and connected. In the reduction mechanism 40, the small pulley 43 is pivotally supported by the holding housing 42 by the central shaft 44 via bearings 44a and 44b, and the large pulley 45 is pivotally supported by the central shaft 46 via the bearings 46a and 46b. . A timing belt 47 is wound between the small pulley 43 and the large pulley 45. An input receiving portion 48 is provided on the central shaft 44 of the small pulley 43, and the output shaft 32 of the electric screwdriver 31 is fitted. The deceleration output portion 41 provided on the central shaft 46 of the large pulley 45 is The connection part 55 of the handle clamp part 50 is fitted.

  As shown in FIG. 1 and FIGS. 10 to 12, the handle clamp 50 has a plurality of clamp bars 51 protruding from the periphery of a bar support annular plate 52 which is linked to the deceleration output part 41 of the deceleration mechanism 40. It is set up. The bar support annular plate 52 is a virtual ring corresponding to the opening / closing valve handle H, and the clamp bars 51 are arranged at a plurality of positions on the virtual ring so as to freely contact the spokes 56 of the opening / closing valve handle H. Thus, a cylindrical urethane material is supported by the support shaft 51a. The bar support annular plate 52 has a reduction hole 53 formed in a disk material, a magnet 54 attached to the handle H for the open / close valve is installed on the front side, and a deceleration output unit of the reduction mechanism 40 is provided on the rear side. A connecting portion 55 to which the fixing member 41 is fixed is provided.

  As shown in FIGS. 1 and 6, a vertical position adjustment mechanism 60 is provided between the stand frame 10 and the vertical support plate 21 of the drive source fixing unit 20. A U-shaped handle 19 protruding rearward is fixed to the upper part of the stand frame 10, an adjustment connection plate 61 is fixed to the handle 19, and the adjustment connection plate 61 and the drive source fixing portion 20 located below are fixed. An adjustment bolt 62 which is a trapezoidal screw is provided between the vertical support plate 21 and the vertical support plate 21. The adjustment connection plate 61 is provided with a pivot 63 for rotatably supporting the upper end of the adjustment bolt 62, and the vertical support plate 21 of the drive source fixing portion 20 has a nut 64 with which the adjustment bolt 62 is screwed. An adjustment receiver 65 is provided. A handle disk 66 is fixed to an upper end protrusion of an adjustment bolt 62 projecting upward from the adjustment connection plate 61, and an adjustment handle 67 is provided at an edge portion of the handle disk 66.

  The operating procedure of the operating device 1 for the opening / closing valve handle is as follows. First, the operating device 1 is transported to the place of use. After being conveyed, the operating device 1 is tilted forward so as to hold the U-shaped handle 19 or the upper side material 12 projecting rearward at the upper part of the stand frame 10 and lift the grounding piece 16 of the step fixing frame 15, The user moves to the place of use while rolling the moving wheel 17. The upper part of the stand frame 10 faces the opening / closing valve handle H, and the vertical position adjusting mechanism 60 moves the drive source fixing part 20 up and down to adjust the height position. When the handle disk 66 is rotated by grasping the adjustment handle 67 of the vertical position adjustment mechanism 60, the adjustment bolt 62 rotates with respect to the nut 64 of the adjustment receiving portion 65 on the vertical support plate 21 side of the drive source fixing portion 20. Then, the nut 64 relatively moves, and the vertical support plate 21 of the drive source fixing portion 20 moves up and down according to the rotation direction, so that the height can be adjusted to the height of the opening / closing valve handle H. In response to the vertical movement of the vertical support plate 21, the handle clamp 50 and the clamp bars 51 projecting from a plurality of positions on the virtual ring are also moved up and down. After the height position is adjusted, the clamp bars 51 projecting from a plurality of positions on the virtual ring of the handle clamp 50 are brought into contact with the spokes 56 of the handle H for the opening and closing valve.

  If the magnet 54 is attracted to the opening / closing valve handle H and the footstep fixing frame 15 of the stand frame 10 is stepped on, the grounding piece 16 is pressed against the tread surface, and the posture of the opening / closing valve handle operating device 1 is stabilized. Then, when the start lever of the electric driver 31 of the electric drive unit 30 set and fixed to the drive source fixing unit 20 on the upper part of the stand frame 10 is pulled and operated, the electric driver 31 which is the electric drive unit 30 is positioned in front of the output shaft 32. In addition, a handle clamp unit 50 for performing an opening / closing operation interlockingly connected to the deceleration output unit 41 is rotated via a deceleration mechanism 40 installed on the vertical support plate 21 supported by the stand frame 10. The handle H for the open / close valve is driven to rotate by the clamp bar 51 provided in the handle clamp unit 50, and the open / close valve is opened and closed. The rotation direction of the handle H for the on-off valve is determined by the rotation direction of the output shaft 32 of the electric driver 31 of the electric drive unit 30, and the on-off valve opens and closes.

  When the operation of the opening / closing valve handle H is completed, the clamp bar 51 protruding from the handle clamp portion 50 is separated from the spoke 56 of the opening / closing valve handle H, and the magnet 54 is also separated from the opening / closing valve handle H and becomes free. The operating device 1 for the open / close valve handle can be transported to another use location and used.

  The stand frame 10 has a substantially L-shape when viewed from the side, and the lower projecting portion 14 is a foot fixed frame 15, so that each component can be mounted on the stand frame 10 as a base, and the configuration is reasonable. Become something. In addition, since the stepping fixed frame 15 is provided on the lower protruding portion 14, the operation device 1 of the opening / closing valve handle is stabilized when used.

  Since the left and right stays 33 of the electric screwdriver 31 are fixed to the stay engaging portions 28 of the drive source fixing portion 20 and the lower case 34 in which the storage battery of the electric screwdriver is stored is supported on the support frame 29, an electric screwdriver is used. The configuration can be made appropriate.

  Since the vertical support plate 21 is attached to the stand frame 10 so that the vertical position can be adjusted freely, the height of the vertical support plate 21 of the operating device 1 can be easily adjusted to the height of the handle H for the opening / closing valve, so that the opening / closing is easy to use. The operating device 1 for a valve handle can be used. Further, since the speed reduction mechanism 40 is mounted on the front surface of the vertical support plate 21 and the electric drive unit 30 is mounted on the rear surface, the mounting state can be simplified, and the operating device 1 for the open / close valve handle H can be lightweight and easy to use.

  Since the electric drive unit 30 is the electric screwdriver 31, a commercially available inexpensive electric screwdriver can be used, and an inexpensive and simple structure can be achieved.

The handle clamp portion 50 is composed of a bar support annular plate 52 having a central portion interlocked and connected to the deceleration output portion 41 of the speed reduction mechanism 40, and a plurality of clamp bars 51 protruding from the periphery of the annular plate 52. As a result, the operating device 1 can be easily and reliably connected to the opening / closing valve handle H, and the user-friendly operating device 1 for the opening / closing valve handle can be obtained.
<2. Second Embodiment>

  13 to 15 show a second embodiment of the present invention. The second embodiment is an operating device 1a for an opening / closing valve handle in which the electric drive unit 30 is a DC motor 35. The other configuration is the same as the configuration of the first embodiment of the present invention, and the description is omitted. In the second embodiment, a storage section 2 for related materials is provided below the stand frame 10.

The DC motor 35 of the electric drive unit 30 includes a speed reducer 37 in a motor body 36. The output shaft 39 supported by the support cylinder 38a protrudes forward, and the connecting portion 55 of the handle clamp 50 is connected to and mounted on the distal end 39a of the output shaft 39. As the power supply of the DC motor 35, a storage battery or a commercial power supply is used.
According to the second embodiment, since the electric drive unit 30 is the DC motor 35, the operating device 1 for the opening / closing valve handle having stable performance can be provided by using the stable DC motor 35.

1, 1a Opening / closing valve handle operating device 10 Stand frame 14 Lower projecting portion 15 Foot fixed frame 16 Grounding piece 17 Moving wheel 20 Drive source fixing portion 21 Vertical support plate 25 Drive source supporting portion 28 Stay engaging portion 29 Support frame 30 Drive unit 31 Electric screwdriver 32 Output shaft 33 Left / right stay 35 DC motor 40 Reduction mechanism 41 Reduction output unit 42 Holding case 43 Small pulley 45 Large pulley 47 Timing belt 50 Handle clamp unit 51 Clamp bar 52 Bar support ring plate 55 Connection unit Reference Signs List 60 Vertical position adjustment mechanism 61 Adjustment connection plate 62 Adjustment bolt 64 Nut 65 Adjustment receiving part 66 Handle disk 67 Adjustment handle

Claims (7)

Set and fix the electric drive unit on the stand frame upper part via the drive source fixing unit,
An opening / closing valve handle operating device in which a handle clamp portion for opening / closing an opening / closing valve handle is opened / closed via a deceleration mechanism to an output shaft of an electric drive portion in an interlocking manner.
The reduction mechanism is installed on the stand frame in front of the output shaft of the drive unit,
A handle for an opening / closing valve, wherein a handle clamp portion is provided at a deceleration output portion of the speed reduction mechanism in which a clamp bar protruding from a spoke of the handle for the opening / closing valve is protruded at a plurality of positions on an imaginary ring. Operating device.   The operating device for an on-off valve handle according to claim 1, wherein the driving unit is an electric screwdriver.   The operating device for an on-off valve handle according to claim 1, wherein the driving unit is a DC motor. The drive source fixing part is a stay engaging part that fixes the left and right stays of the electric screwdriver,
A support frame for supporting the lower case of the electric screwdriver,
The operating device for an on-off valve handle according to any one of claims 1 to 3, further comprising: The handle clamp part is a bar-supporting annular plate whose center part is linked to the deceleration output part of the deceleration mechanism,
A plurality of clamp bars projecting from the periphery of the annular plate;
The operating device for an on-off valve handle according to any one of claims 1 to 4, wherein the operating device is configured as follows. A vertical support plate is attached to the stand frame so that the vertical position can be adjusted.
The operating device for an on-off valve handle according to any one of claims 1 to 5, wherein a speed reduction mechanism is mounted on a front surface of the vertical support plate, and a drive unit is mounted on a rear surface.   The operating device for an on-off valve handle according to any one of claims 1 to 6, wherein the stand frame has a substantially L-shape when viewed from the side, and the lower protruding portion is a step fixing frame.

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