JP3025414U - Gate for gate valve and gate valve with gate - Google Patents

Abstract

(57) 【Abstract】 PROBLEM TO BE SOLVED: To provide an opening meter for a sluice valve having a simple structure and excellent visibility, and a sluice valve with an opening meter for protecting the mounted opening meter. SOLUTION: A first ring 13 fixed to the upper part of the main body of a gate valve around a valve rod, a second ring rotatably provided on the first ring, and a rotating body which rotates integrally with the valve rod. 16 and a first gear 18 coaxially provided on the inner circumferences of the first ring and the second ring and meshing with the pinion and having the same diameter but different numbers of teeth.
And a second gear 19, and a valve opening degree display portion provided on each of the upper surfaces of the first ring and the second ring.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

 The present invention relates to a sluice valve opening meter for checking the open / closed state of a sluice valve and a sluice valve with an opening meter.

[0002]

[Prior art]

 Of the various sluice valves, the internal screw sluice valve, in particular, cannot check the open / closed state of the valve from the outside, so the rotation of the valve stem that opens / closes the valve disc is transmitted to the pointer or scale via a gear mechanism, etc. An opening meter for displaying the open / closed state of the valve has been provided (see Japanese Utility Model Publication No. 59-8059 and Japanese Patent Application Laid-Open No. 10310385). Further, even in the external screw type sluice valve, it was necessary to provide an opening meter with an appropriate structure in order to easily and surely check the open / closed state.

[0003]

[Problems to be solved by the device]

 However, conventional position gauges had to have different structures depending on the size and installation condition of the sluice valve.

Therefore, an object of the present invention is to provide a sluice valve opening meter having a simple structure and excellent visibility, and a sluice valve with an opening meter that can protect the mounted opening meter.

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, a sluice valve opening meter of the present invention includes a large-diameter first ring fixed around the valve rod at the upper part of the sluice valve body, and rotatable on the first ring. A small-diameter second ring provided, a pinion provided on a rotating body that rotates integrally with the valve rod, and coaxially provided on the inner peripheral portions of the first ring and the second ring to provide teeth to the pinion, respectively. An openness meter comprising: a first gear and a second gear having the same diameter but different numbers of teeth, and valve opening display portions respectively provided on the upper surfaces of the first ring and the second ring. The lower surface of the first ring is integrally formed with a fixing square hole that fits into the angular shaft portion provided at the upper portion of the sluice valve, or the lower surface of the first ring is provided at the upper portion of the sluice valve. Fit a spacer with a square hole for fixing that fits on the square shaft In addition, the lower end of the cap or handle attached to the upper end of the valve rod and the rotating body are connected by connecting pins that are inserted into the both so as to rotate integrally. Further, the first ring and the first gear and the second ring and the second gear are integrally rotated by the engagement of the concave and convex engaging portions formed on the inner peripheral surface of each ring and the outer peripheral surface of each gear. It is characterized by being assembled to do.

Further, the sluice valve with an opening degree meter according to the present invention has a large-diameter first ring fixed to the valve body and a rotation on the first ring, which is fixed to the valve body around a valve rod protruding above the valve body. A small-diameter second ring that can be provided, a pinion that is provided on a rotating body that rotates integrally with the valve rod, and a pinion that is provided coaxially on the inner peripheral portions of the first ring and the second ring. A degree of opening provided with a first gear and a second gear having the same diameter and different numbers of teeth that mesh with the pinion, and a valve opening display portion provided on the upper surface of the first ring and the second ring, respectively. It is characterized in that a hook is provided on the upper part of the valve main body for lifting so as to project laterally beyond the opening degree meter.

[0007]

[Embodiment of device]

 Hereinafter, the present invention will be described in more detail with reference to the drawings. 1 to 6 show an example of a form of an openness meter, FIG. 1 is an exploded front view of the openness meter, FIG. 2 is a cross-sectional view showing a mounted state of the openness meter, and FIG. FIG. 4 is a cross-sectional view showing how the gears are mounted, FIG. 5 is a bottom view of the spacer, and FIG. 6 is a side view of the sluice valve with an opening meter attached with the opening meter. 7 and 8 show another example of the form of the opening meter. FIG. 7 is an exploded front view of the opening meter, and FIG. 8 is a cross-sectional view showing a mounted state of the opening meter.

First, an opening meter 10 shown in FIGS. 1 to 6 includes a spacer 12 fixed to an upper part of a main body of an internal screw type sluice valve 11, and a large-diameter first ring 1 fitted to the spacer 12. 3 (scale plate), a second ring 14 (pointer plate) that is rotatably provided on the first ring 13 and has a diameter slightly smaller than the first ring 13, and a rotating body that rotates integrally with the valve rod 15. 16 and a pinion 17 (planetary gear) provided on the first and second rings 13 and 14 and a first gear 18 having the same diameter and a different number of teeth, which meshes with the pinion 17, respectively. And the second gear 19, the collar 12, which penetrates the spacer 12, the first ring 13, the second ring 14, the rotor 16, the first gear 18, and the center of the second gear 19, and the upper end of the valve rod 15. The cap 21 or It is provided with a connecting pin 22 that connects the handle and the rotating body 16, and valve opening degree display portions 23a, 23b, 23c, 23d are provided on the outer peripheral portions of the first ring 13 and the second ring 14. There is.

The first gear 18 and the second gear 19 have different numbers of teeth, for example, the first gear 18 is set to 70 and the second gear 19 is set to 72. As shown in FIG. 4, the first gear 18 is non-rotatably fitted and fixed by an engaging portion 24 that engages with the concave and convex portions, and the second ring 14 and the second gear 19 also have similar concave and convex engagement. It is fixed so that it cannot rotate.

Further, as shown in FIG. 5, the outer peripheral portion of the spacer 12 is also provided with an engaging portion 25 for fitting and fixing with the first ring 13. Further, in the lower part of the spacer 12, an octagonal or other square hole 12a that fits into the square shaft part 11a provided in the upper part of the sluice valve 11 is provided.

The pinion 17 is rotatably attached to a pin 26 protruding from the lower surface of the outer peripheral portion of the rotating body 16. A plurality of engaging leg pieces 27 that extend downward and engage with the inner circumference of the spacer 12 are provided at the center of the rotating body 16, and the spacer 12 and the first gear 18 are fitted to the engaging leg pieces 27. The first ring 13, the second ring 14 into which the second gear 19 is fitted, and the pinion 17 are arranged at predetermined positions. It will be in the state of being assembled to.

Further, a pin hole 28 into which the connecting pin 22 is inserted is provided on the upper surface of the rotating body 16, and a pin hole corresponding to the pin hole 28 of the rotating body 16 is provided on the lower end surface of the cap 21 or the handle. Holes 29 are likewise provided.

A hook 30 protruding laterally is integrally formed on the upper portion of the valve body of the gate valve 11. The hook 30 has a lateral protrusion amount set to be larger than the outer circumference of the opening degree meter 10, and is not only used for lifting when the sluice valve 11 is conveyed, but also when the valve falls, the opening degree is increased. The total 10 is prevented from hitting the floor to be damaged.

Next, the operation of the opening degree meter 10 having the above configuration will be described. When the valve rod 15 is rotated through the cap 21 or the handle when opening and closing the valve body, the rotation of the cap 21 or the handle is transmitted to the rotating body 16 through the connecting pin 22 and is attached to the rotating body 16. The pinion 17 rotating rotates about the valve rod 15. Since the pinion 17 rotates in a state where the inner circumferences of the first gear 18 and the second gear 19 mesh with each other, when the inner circumference of the fixed first ring 13 makes one revolution, the number of teeth of the first gear 18 increases. Since the number of teeth is 70, the pinion 17 rotates by an amount corresponding to 70 teeth. On the other hand, since the number of teeth of the second gear 19 provided on the rotatable second ring 14 is 72, the second gear 19 is displaced by two teeth. That is, when the pinion 17 rotates in the clockwise direction around the valve rod 15 in FIG. 4, the second ring 14 becomes the first ring 13 by two teeth of the second gear 19 each time the pinion 17 makes one revolution. On the other hand, it will rotate clockwise.

Therefore, by appropriately setting the number of teeth of the first gear 18 and the number of teeth of the second gear 19 according to the number of rotations of the valve rod 15 required for opening and closing the valve body, the valve body is fully opened. The positional relationship between the first ring 13 and the second ring 14 at the position and the fully closed position can be set arbitrarily. By providing the valve opening degree display portions 23a, 23b, 23c, 23d on the outer peripheral portions of the first ring 13 and the second ring 14 so as to correspond to at least the fully open position and the fully closed position of the valve body. The open / closed state of the valve element can be confirmed simply by looking at the state of the valve opening display section.

In particular, as shown in FIG. 3, between the display “O” (23b) provided on the first ring 13 when the valve body is fully opened and the display “S” (23C) when the valve body is fully closed, By providing an indicator (23d) in which the line width changes continuously, and by appropriately coloring it including the pointer (23a) of the second ring 14, the open / closed state of the valve body can be more easily and reliably obtained. You can check with.

Next, in the opening degree meter shown in FIG. 7 and FIG. 8, a square hole 13 a that fits into a square shaft portion 11 a provided on the upper portion of the sluice valve 11 is integrally formed on the lower surface of the first ring 13. However, the first ring 13 can be directly attached to the upper portion of the sluice valve 11. At this time, the engaging leg pieces 27 of the rotating body 16 engage with the engaging step portions 13b provided on the inner circumference of the first ring 13. In this example, the handle 31 is attached to the upper end portion of the valve rod 15 in place of the cap, but the other parts can be formed in substantially the same manner as the above example. The same elements as those of the above-described embodiment are designated by the same reference numerals, and detailed description thereof will be omitted.

As described above, the square hole 13a is integrally formed on the lower surface of the first ring 13, or the spacer 12 having an appropriate size is interposed to attach the opening meter to the upper portion of the sluice valve. A wide range of sizes can be accommodated according to the size of the valve body and the size of the opening meter. Also, by making the collar 20 with a different inner diameter easy, it is possible to cope with the difference in the thickness of the valve rod 15. You can

Further, since the rotation of the cap 21 and the handle 31 is transmitted to the rotating body 16 via the connecting pin 22, not only the rotation can be reliably transmitted, but also the cap 21 and the handle 31 can be attached. It can be done easily.

Moreover, in both of the above embodiments, the first ring 13 and the first gear 18, the second ring 14 and the second gear 19, and the first ring 13 and the spacer 12 are fixed by fitting. Assembling and assembling these can be performed very easily.

In addition, since the hook 30 is provided so as to protrude from the side of the packing box on the upper portion of the valve body, it can be used not only when the gate valve is transported, but also when the valve is overturned, the damage of the opening meter can be prevented.

The opening ratio of the valve body may be displayed by a numerical value such as “%”, and the display portions of the first ring and the second ring may be reversed.

[0023]

[Effect of device]

 As described above, the sluice valve opening meter and the sluice valve with an opening meter of the present invention can be easily assembled and assembled with a simple structure, and also protects the opening meter when the valve falls. Be planned.

[Brief description of drawings]

FIG. 1 is an exploded front view of an opening meter.

FIG. 2 is a cross-sectional view showing a mounted state of an opening degree meter.

FIG. 3 is a plan view of an opening degree meter.

FIG. 4 is a cross-sectional view showing a mounted state of a gear.

FIG. 5 is a bottom view of the spacer.

FIG. 6 is a side view of a sluice valve with an opening meter equipped with the opening meter.

FIG. 7 is an exploded front view showing another form example of the opening degree meter.

FIG. 8 is a cross-sectional view showing a mounted state of the opening meter.

[Explanation of symbols]

10 ... Openness meter, 11 ... Gate valve, 11a ... Square shaft part, 12 ...
Spacer, 12a ... Square hole, 13 ... First ring, 13a
... Square hole, 14 ... Second ring, 15 ... Valve rod, 16 ... Rotating body, 17 ... Pinion, 18 ... First gear, 19 ... Second gear, 20 ... Collar, 21 ... Cap, 22 ... Connecting pin,
23a, 23b, 23c, 23d ... Valve opening degree display section, 2
4, 25 ... Engaging portion, 26 ... Pin, 27 ... Engaging leg piece, 2
8, 29 ... Pin hole, 30 ... Hook, 31 ... Handle

Claims (5)

[Scope of utility model registration request] 1. A large-diameter first ring fixed to the upper portion of the main body of a sluice valve around a valve rod, a small-diameter second ring rotatably provided on the first ring, and the valve rod. A pinion provided on a rotating body that rotates integrally; a first gear that is coaxially provided on the inner peripheral portions of the first ring and the second ring and that meshes with the pinion; An angular shaft portion provided with a second gear and valve opening degree display portions respectively provided on the upper surfaces of the first ring and the second ring, and provided on the lower surface of the first ring above the sluice valve. An opening meter for a sluice valve, which is characterized by integrally forming a fixing square hole that fits into the. 2. A large-diameter first ring fixed to the upper portion of the main body of the sluice valve about the valve rod, a small-diameter second ring rotatably provided on the first ring, and the valve rod. A pinion provided on a rotating body that rotates integrally; a first gear that is coaxially provided on the inner peripheral portions of the first ring and the second ring and that meshes with the pinion; An angular shaft portion provided with a second gear and valve opening degree display portions respectively provided on the upper surfaces of the first ring and the second ring, and provided on the lower surface of the first ring above the sluice valve. An opening meter for a sluice valve, characterized in that a spacer having a square hole for fixing to be fitted to is fitted. 3. A large-diameter first ring fixed to the upper part of the main body of the sluice valve around the valve rod, a small-diameter second ring rotatably provided on the first ring, and the valve rod. A pinion provided on a rotating body that rotates integrally; a first gear that is coaxially provided on the inner peripheral portions of the first ring and the second ring and that meshes with the pinion; A second gear, valve opening indicators provided on the upper surfaces of the first ring and the second ring, respectively, and a lower end of a cap or handle attached to the upper end of the valve rod and the rotating body. An opening meter for a sluice valve, which is configured so as to be integrally rotated by connecting with connecting pins respectively inserted into both. 4. A large-diameter first ring fixed to the upper portion of the main body of the sluice valve around the valve rod, a small-diameter second ring rotatably provided on the first ring, and the valve rod. A pinion provided on a rotating body that rotates integrally; a first gear that is coaxially provided on the inner peripheral portions of the first ring and the second ring and that meshes with the pinion; A second gear and a valve opening degree display portion respectively provided on the upper surfaces of the first ring and the second ring are provided, and the first ring and the first gear and the second ring and the second gear are An opening degree meter for a sluice valve, which is assembled so as to integrally rotate by engagement of concave and convex engaging portions formed on an inner peripheral surface of a ring and an outer peripheral surface of each gear. 5. A large-diameter first ring fixed to the valve main body around a valve rod protruding above the valve main body, and a small-diameter second ring rotatably provided on the first ring. ,
The pinion provided on the rotary body that rotates integrally with the valve rod and the pinion provided coaxially on the inner peripheral portions of the first ring and the second ring and meshing with the pinion have the same diameter but different number of teeth. First gear and second gear, first ring and second gear
An opening meter provided with a valve opening display section respectively provided on the upper surface of the ring is provided, and a lifting hook protruding laterally from the opening meter is formed on the upper part of the valve body. A sluice valve with a characteristic opening meter.