JPH11183227A - Gas meter setting method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate the setting operations by fixing a gas meter suspending unit with joints to be connected to the inlet and outlet of a gas meter and joints to be connected to entering- and outgoing-side piping to a building or a foundation and suspending a gas meter and the entering- and outgoing-side piping from the unit. SOLUTION: The suspending unit 1 has a π-shaped member 20 formed of a transverse part 22 extended in the lateral direction and down pipes 21 and 31 drooped downward beneath the transverse part 22 to the left and right. The π-shaped member 20 is fixed to the wall 2 of a building by a fixing metal 41. Gas connecting passages 19a and 33a open to the right and left end parts of the transverse part 22 and the lower end face of a leg part are formed between the end parts and the down pipes 21 and 31 adjacent to the end parts. A gas plug 13 is connected to the right side of the transverse part 22 as facing it, and a test opening 35 is connected to the connected part of the transverse part 22 and the right down pipe 31. A union nut 23 is connected to the lower end of the left down pipe 21, and a union nut 29 is connected to the lower end of the right down pipe 31.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for mounting a gas meter for city gas or the like on a building wall or the like. in particular,
The present invention relates to a gas meter installation method capable of simplifying a gas meter installation operation when a flexible gas pipe having no rigidity enough to support the gas meter is used for a gas pipe.

[0002]

2. Description of the Related Art A conventional method of installing a standard city gas gas meter will be described. FIG. 9 is a diagram illustrating a standard installation example of a gas meter for city gas. (A) is a front view,
(B) is a side view.

[0003] In FIG. 9, a gas meter 207 is installed so as to be hung on an inlet connection pipe 281 and an outlet connection pipe 291. Each connection pipe 281 and 291 is fixed to the building wall 202 by a pipe support 297. Each of the connection pipes 281 and 291 is bent 180 ° on the gas meter 207 and is connected to the gas meter 207 downward. Each connection pipe 281 and 291 and gas meter 2
Unions 213 and 227 are provided between the entrance and the exit of 07. The inlet connection pipe 281 has a gas meter 207.
A gas stopper 206, which is a main valve for opening and closing the gas, is provided below the container. A test port 235 is provided in the outlet connection pipe 291 below the gas meter 207. Test port 235
Has a small threaded opening (usually closed with a plug) on the side of the pipe, and is used as an attachment port for an air purge or test pressure gauge. In addition, the gas stopper 20
A gas supply pipe 205 is connected below 6. Under the test port 235, a flexible pipe 20 leading to a gas demand destination is provided.
9 is connected.

[0004]

The above-mentioned conventional method of installing a gas meter has the following problems. The required installation space was large. In particular, since the connection pipes 281 and 291 pass through the back side of the gas meter 207 and the pipe support 297 also exists, the gas meter 207 protrudes forward by that amount.
The installation space dimension in the depth direction was large.

[0005] The man-hour for installing the gas meter is large. That is, the installation of the pipe support 297, the connection pipes 281 and 291 on the entrance side and the exit side, the gas stopper 206, and the test port 235
It was troublesome to install. Recently, there has been a demand to use flexible pipes having poor rigidity for gas pipes, and connection pipes 281 and 291 on the inlet and outlet sides have been demanded.
The conventional structure for supporting the gas meter 207 requires a fundamental change.

The present invention has been made in view of the above problems, and is a method of attaching a gas meter such as a city gas to a building wall or the like. The gas pipe has a rigid gas pipe which does not have sufficient rigidity to support the gas meter. It is an object of the present invention to provide a gas meter installation method capable of simplifying a gas meter installation operation when used.

[0007]

Means for Solving the Problems To solve the above problems, a gas meter installation method of the present invention is a method for installing a gas meter and its inlet / outlet piping in a building or the like; connecting the gas meter to the inlet / outlet of the gas meter. Using a gas meter suspension unit having a joint to connect to the gas meter inlet / outlet piping, and fixing the unit to a building wall or a foundation, and suspending the gas meter and the inlet / outlet piping to the unit. It is characterized by the following.

That is, a unit for suspending the gas meter and connecting the inlet and outlet pipes is provided, and this unit is assembled on the upper part of the gas meter and attached to a building wall or the like. Therefore, the installation space was small and the number of construction steps could be reduced.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a more specific description will be given with reference to the drawings. FIG. 1 is a diagram showing an entire configuration of a gas meter installation method according to one embodiment of the present invention. (A) is a plan view, (B) is a front view, and (C) is a side view. This embodiment is of a type in which the back of the gas meter suspension unit (the back side of the display surface of the suspended gas meter) is fixed to the building wall surface. The gas meter suspension unit 1 in this embodiment suspends the gas meter 7 and interconnects the inlet pipe 5, the gas meter inlet 25, the outlet 27, and the outlet pipes 9 and 10. In the figures, the gas meter 7 and the inlet / outlet pipes 5, 9 and 10 are indicated by two-dot chain lines in order to make it easier to understand how to attach the gas meter.

The gas meter suspension unit 1 is formed using a π-shaped member 20 as a base. That is, the suspension unit 1 includes a transverse portion 22 that extends in the lateral direction, and a falling pipe 2 that is a leg that depends on the lower left and lower right of the transverse portion 22.
Π-shaped basic member composed of 1, 31 (π-shaped member 20)
Having. The π-shaped member 20 is fixed to the fixing bracket 41.
Is fixed to the building wall 2. Specifically, as shown in FIG. 1C, on the back side of the center of the crossing portion 22,
A mounting screw 50 for fixing to the fixing metal 41 is set, and the π-shaped member 20 is fixed to the fixing metal 41. Further, the fixing metal 41 is fixed to the building wall 2 with screws 46 and 52.
It is fixed to. The detailed shape of the fixing bracket 41 will be described later.

FIG. 1B shows a state between the left and right ends of the π-shaped member crossing portion 22 and the downcomers 21 and 31 near the ends.
As shown in (1), gas communication passages 19a and 33a are formed at the ends and the lower end surfaces of the legs. As a matter of course, the left and right communication passages are blocked from each other, so that the gas does not flow by short-circuiting in the crossing portion 22. The gas stopper 13 is connected to the left end of the crossing portion 22 by socket connection. A test port 35 is connected to a connection between the cross section 22 and the right falling pipe 31. Further, a gas meter inlet connection joint (union nut 23) is connected to the lower end of the left falling pipe 21 near the gas stopper 13, and a gas meter outlet connection joint (union) is connected to the lower end of the right falling pipe 31 near the test port 35. Union nut 29) is connected.

The gas stopper 13 is a valve for opening and closing gas supply to the gas meter 7, and has an inlet connection port 11 with the inlet pipe 5 rising on the left side of the gas meter 7. Entry side 19
Is a portion connecting the gas stopper 13 and the gas meter inlet 25, and is an elbow shape as a whole. The outlet portion 33 is a portion that connects the gas meter outlet 27 and the outlet pipes 9 and 10,
It is a member in the form of a 3-port cable connected to an elbow as a whole.

Hereinafter, each part will be described in detail. The inlet pipe 5 is a pipe that supplies gas to each individual consumer such as a home or a store, and is a flexible corrugated pipe. The pipe 5 rises toward the gas meter suspension unit 1 on the left side of the gas meter 7. A flexible joint 5 a is attached to an upper end of the pipe 5.

The gas stopper 13 is an on-off valve with a lock mechanism (see Japanese Utility Model Laid-Open No. 6-53866), and is opened and closed by grasping and turning a knob 13a on the front of the stopper. Knob 13
a has a lock mechanism 13b on the side. On the entry side of the gas stopper 13, an entry-side connection port 11 having a female thread is formed. The outlet side of the gas stopper 13 is connected to the π-shaped member entrance side portion 19 via the socket 15. Details of the socket 15 will be described later. Within the gas tap 13, the gas flow path deflects 90 ° from upward to right.

FIG. 2 shows the gas stopper 13 and the π-shaped member inlet 19.
FIG. 2 is a partial plan sectional view showing a detailed structure of a socket for connecting the first and second sockets. On the right side of the gas stopper 13, a socket insertion portion 15a is provided to protrude. The portion 15a has a hollow cylindrical shape. Two O-rings 15 are provided on the outer surface of the portion 15a.
b, 15f are fitted in O-ring grooves (not shown). A stop ring 15c is incorporated between the two O-rings 15b and 15f. The stop ring 15c is incorporated in a ring groove 15d cut on the outer surface of the insertion portion 15a. Stop ring 15c
Is a C-shaped elastic snap ring having a cut 15e in a part as shown in FIG. 3 (B). When the gap 15e is widened, the diameter of the stop ring 15c increases, and when the gap 15e is reduced, the diameter of the stop ring 15c decreases.

The inner hole of the π-shaped member entrance side portion 19 is the insertion hole 1
It is 5 g. The insertion portion 15a of the gas stopper 13 is inserted into the insertion hole 15g. Injection hole 1
A ring groove 15h cut in the outer diameter direction is formed in 5g. This ring groove 15h is
When 5a is inserted into the insertion hole 15g, the outer periphery of the stop ring 15c is received so that the insertion portion 15a does not come off. That is, at the time of insertion, the stop ring 15c is compressed from the outside by the tapered portion 15i at the entrance of the insertion hole 15g, contracts, and enters the insertion hole 15g. When the stop ring 15c reaches the ring groove 15h further into the back, the stop ring 15c springs back by its own elasticity and expands.
The outer peripheral portion enters the ring groove 15h. Note that the inner peripheral portion of the stop ring 15c is still in the ring groove 15d of the male side pointing portion 15a. Therefore,
The stop ring 15c is a ring groove 1 on the male side and the female side.
Engagement with both 5d and 15h locks the gas stopper 13 to the π-shaped member entry side portion 19. In addition, this stop ring 1
Locking by 5c cannot be disassembled by ordinary means.

Further, a detent pin 16a is implanted on the end face of the entry side portion 19 so as to protrude leftward in the drawing. On the side of the gas stopper 13 corresponding to this pin 16a,
A pin hole 16b is drilled. As described above, gas tap 1
3 is inserted into the insertion hole 15g of the π-shaped member entry side portion 19, the pin 16a enters the pin hole 16b, and the gas stopper 13 and the π-shaped member entry side portion 19 rotate around the axis. Immobilized. By the above mechanism, the gas stopper 13 is irremovably integrated with the π-shaped member entry side portion 19.

The inlet portion 19 is an elbow-shaped member, in which the gas communication passage 19a deflects from right to downward. The entry side of the entry side 19 is connected to the gas stopper 13 via the socket 15 described above.

The lower part of the entrance part 19 is a falling pipe (leg) 21.
It is hanging down. FIG. 3 is a cross-sectional view showing details of the structures of the falling pipe and the union. Falling pipe 21
The lower end of the packing 9 is a union 21a.
3, a union nut 23, and a stop ring 91 are attached. The stop ring 91 has a ring shape and is for preventing the union nut 23 from dropping.
The stop ring 91 is inserted into a circumferential groove 21b cut horizontally on the outer surface of the union portion 21a. The stop ring 91 has one notch (not shown) on the circumference, and by expanding this notch, it can be put on the outer periphery of the union part 21a and pushed into the circumferential groove 21b. . Such a stop ring 91
According to the above structure, the downcomer pipe 21 can be integrated (partly) with the entry side portion 19, so that the processing cost and the number of assembly steps can be reduced. In this embodiment, the entry portion 19 is made of ductile cast iron.

The union nut 23 has a cap nut-like structure, and has an inner surface formed with a stop ring engaging portion 23a at an upper portion and a female screw 23b at a lower portion. The stop ring engaging portion 23a is a downwardly expanding tapered conical surface, and abuts on the outer peripheral upper surface of the stop ring 91,
Supports the union nut 23. The female screw 23b is screwed with a male screw 25a on the outer periphery of the gas meter inlet 25. In addition,
The inner diameter of the ridge of the female screw 23 b is larger than the outer diameter of the stop ring 91. The packing 93 is fitted around the outer periphery of the distal end of the union part 21a. The lower surface of the packing 93 is in contact with the upper end surface of the gas meter inlet 25 to seal the gas. The union structure is the same for the gas meter outlet.

Returning to FIG. 1, the crossing portion 22 is
And a rod-shaped portion connecting the delivery side portion 33 to the outside. The top 22a of the portion 22 is raised in a trapezoidal shape, and the top surface is flat. Place a level on this top surface and
Check the mounting level. On the back surface of the crossing portion 22, a connection screw for connection with the fixing bracket 41 (reference numeral 5 in FIG.
There is a screw hole for screwing in 0) and a hole for weight reduction (not shown).

The outlet portion 33 is formed by connecting a three-portion-shaped portion at the right end to an elbow-shaped portion in the left half, and is made of cast iron in this embodiment. At the outlet side 33, the gas flow path is deflected 90 ° from upward to right, and then further 90 °.
° Deflected and split up and down. A falling (leg) tube 31 is hung below the left side of the outlet side portion 33, and a test port 35 is provided at the base of the tube 31. The test port 35 is a port that is opened only in special cases such as air purge and pressure measurement (airtightness test), and is usually closed by a plug 35a.
Lower left portion of the outlet side portion 33 (falling pipe 31, union nut 2)
The structure of 9) is the same as that of the entrance portion 19.

The three-portion portion at the right end of the outlet portion 33 has an upper connection port 37 and a lower connection port 39 shaped like a tee that opens up and down. The upper joint 37 has a flexible joint 10
The outlet pipe 10 is connected via a, and the outlet pipe 9 is connected to the lower connection port 39 via a flexible joint 9a.
The lower pipe 9 falls on the right side of the gas meter 7. Both outlet pipes 9, 10 are usually flexible corrugated pipes.

As shown in FIG. 1 (C), the fixing bracket 41 is provided at the center of the upper and lower wall fixing portions 45 and 53 pressed against the building wall 2 with the legs 47 and 51 and the mounting portion 4.
9 has a protruding shape. The attachment portion 49 is fixed with screws 50 by pressing the back surface of the crossing portion 22 of the π-shaped member 20. Wall fixing part 45,
Reference numeral 53 denotes a flat plate portion to be applied to the building wall 2, and screw holes for passing fixing screws 46 and 52 are formed vertically and horizontally.

The procedure for mounting the gas meter according to this embodiment will be described together. First, the suspension unit 1 with the fixing bracket 41 attached is fixed to a predetermined position of the building wall 2 with screws 46 and 52. At this time, a level is placed on the top 22a of the crossing part, and the suspension unit 1 is leveled. Next, the gas meter 7 is suspended from the suspension unit 1 by screwing the inlet 25 and the outlet 27 of the gas meter 7 into the union nuts 23, 29 of the inlet / outlet falling pipes 21, 31 of the suspension unit 1, respectively. Finally, the inlet / outlet pipes 5, 9 and 10 are connected to the suspension unit 1, and the attachment of the suspension unit 1 and the gas meter 7 is completed.

As described above, in this embodiment, a unit for suspending the gas meter and connecting the inlet / outlet pipes is provided, and this unit is mounted on the upper part of the gas meter and attached to a building wall or the like. Therefore, the installation space was small and the number of construction steps could be reduced.

FIG. 4 is a view showing a gas meter installation method (bracket method) according to another embodiment of the present invention.
(A) is a plan view, (B) is a front view, and (C) is a side view. The gas meter installation method of this embodiment is characterized in that a bracket 101 is protruded from a wall surface 2 of a building, and the back of the gas meter suspension unit 1 is fixed to the surface of the bracket so as to face the bracket 101. As shown in FIG. 4 (B), the bracket 101 has a slightly elongated right-angled triangle shape, and its left side (bottom side) is applied to the building wall 2 and fixed by two upper and lower anchor bolts 103.

On the upper side of the bracket 101, an elongated strip-shaped upper plate 101a is formed by bending or the like.
The upper plate 101a has a long hole 101b extending in the longitudinal direction.
Is open. As described later, this elongated hole 101b
The suspension position of the gas meter suspension unit 1 and the gas meter 7 on the bracket 101 can be adjusted by the amount.

In this embodiment, the fixing bracket 105 of the suspension unit 1 has an L-shape as shown in FIG. 4 (C), and the short side thereof is applied to the back surface of the π-shaped member 20 of the unit. , Screws 50. The long side of the fixture 105 is placed on the bracket upper plate 101a in a horizontal posture. Then, the fixing bracket 105 and the bracket upper plate 1
01a is fixed by tightening two bolts 107 (with nuts and washers). The holes for the bolts 107 on the upper surface of the fixing bracket 105 are elongated holes 105a and 105b. The bolts 107 can slide up and down in FIG. The position of the gas meter 7 can be adjusted. The bolt 107 is attached to the upper plate 10 of the bracket.
1a passes through the elongated hole 101b. The bolt 107 can be slid left and right in FIG. 1A by the amount of the allowance of the elongated hole 101b, and the mounting position of the gas meter 7 on the building wall 2 can be adjusted. The gas meter installation method of this embodiment is suitable for a case where it is desired to mount the gas meter 7 at a right angle to the building wall 2 with respect to the wall surface.

FIG. 5 is a view showing a gas meter installation method (hanger method) according to another embodiment of the present invention.
(A) is a plan view, (B) is a front view, and (C) is a side view. In the gas meter installation method of this embodiment, an overhead member (hanger 113) is installed between two opposite building walls 2, 2 ', and the gas meter suspension unit 1 is mounted on the overhead member.
Is fixed. In this example, a space between the building walls 2 and 2 'on the left and right (such as a pipe shaft of a building)
This is an example in which a gas meter 7 is installed at the center of the device.

The hanger 113 as an imaginary member is shown in FIG.
As shown in (C), it is a steel member having a cross section in the shape of a channel (square C-shaped member) that opens upward. Hanger 11
Reference numeral 3 extends between the left and right building walls 2, 2 '. In the hanger 113, the inside of the hanger extends in the longitudinal direction (FIG. 5).
(A), (B) left and right slidable backing metal 1
14 are provided. The backing metal 114 is a plate member curved in a W-shape, and has a screw hole (not shown) at the center thereof.
The set screw 117 and the thumb screw 1
12, 112 'are screwed.

In this embodiment, the fixing bracket 115 of the suspension unit 1 has an L shape as shown in FIG. 5C, and the short side thereof is applied to the back surface of the π-shaped member 20 of the unit. , Screws 50. The long side of the fixing bracket 115 is placed on the upper surface of the hanger 113 in a horizontal posture. The fixing bracket 115 and the upper surface of the hanger 113 are fixed by tightening two set screws 117. The set screw 117 passes through a channel on the upper surface of the hanger 113. The set screw 117 can slide to the left and right in FIG. 5A by the length of the channel, and the mounting position of the gas meter 7 on the building walls 2, 2 'can be adjusted. Further, the hole for the set screw 117 on the upper surface of the fixing bracket 115 is a long hole 115a.
(A) can be slid up and down, and the position of the gas meter 7 with respect to the hanger 113 can be adjusted.

The hanger 11 is connected between the head of the set screw 117 and a backing metal 114 having a female screw hole to be screwed with the screw.
3 lower folded portion 113a and fixing metal 115 thereon
The fixing bracket 115 is fixed at an arbitrary position on the hanger 113.

The right and left ends of the hanger 113 are open square C
It is suspended by hanger supports 111, 111 'in the shape of a letter. The thumb screws 112, 112 'of the hanger supports 111, 111' have the same structure as the set screw 117 and the backing plate 114, and the hanger 113 is attracted to the upper surfaces of the hanger supports 111, 111 '. The hanger supports 111 and 111 ′ are
2 ′, having blade portions 111a and 111a ′
In the same part, it is fixed to the building walls 2, 2 'by anchor bolts 110, 110'.

The gas meter installation method of this embodiment is suitable for installing the gas meter 7 in the center of the space between the left and right building walls 2, 2 '. In particular, the elongated hanger 1
There is a feature that the gas meter 7 can be installed at an arbitrary position without providing any obstruction by merely providing one.

FIG. 6 is a diagram showing an outline of a gas meter installation method (cloth-based utilization method) according to another embodiment of the present invention. This gas meter installation method is characterized in that a support 131 or 151 is erected from a building foundation 125 and the gas meter suspension unit 1 is fixed to this support. Cloth foundation 1
25 has a column 121 and a floor 123 attached thereto. FIG.
(A) is a type in which a column 131 that rises from the vertical surface 125a of the building cloth foundation 125 to the front upper side is erected, and the gas meter suspension unit 1 is fixed to this column. FIG.
(B) is a type in which a support 151 is erected from a base surface 125b buried in the ground 127 of the building cloth foundation 125. In this aspect, when the building wall is insufficient in strength,
The gas meter is to be supported by the cloth foundation under the building wall.

FIG. 7 is a diagram showing the details of the method of using the cloth base vertical surface shown in FIG. (A) is a plan view, (B) is a front view, and (C) is a side view. In this embodiment, a gas column 7 is suspended from a vertical surface 125a of a cloth foundation 125 of a building with a support 131 upright. The support 131 is an elbow 1
37 and a pipe 138. Elbow 137 is screwed into base 133. The base 133 is a steel plate.
It is firmly fixed by the anchor bolts 135. A female thread block 134 is fixed to the lower portion of the base 133 by welding. The lower end of the elbow 137 is externally threaded and screwed into the block 134 to be fixed.

The upper end of the elbow 137 is threaded. On the other hand, a male screw is cut at a lower end of the pipe 138, and the pipe 138 is screwed into an elbow 137.
The pipe 138 stands up along the building wall 2.

A pipe band 139 is attached at about one third from the top of the pipe 138, and the band 139 is connected to the anchor bolt 141 via a foot 140.
And is fixed to the building wall 2. The pipe band 139 is
It has a hinge 139a, and a half band 139b is wound around the outer circumference of the pipe 138, and is integrally fastened with a screw 139c on the opposite side of the hinge 139a. The screw 139c of the band 139 is attached to the foot 140 by the pipe band 13
It also plays the role of fixing 9. The foot 140 has a T-shape, is applied to the building wall 2, and has an anchor bolt 141.
And is fixed to the building wall 2. Anchor bolt 141
Is obtained by screwing a small diameter screw into a mortar plug. The pipe band 139, the foot 140, and the anchor bolt 141 prevent the support 131 from falling down.

Originally, when the building wall 2 is firm, the gas meter 7 is directly connected to the building wall 2 as in the embodiment shown in FIG.
However, if the building wall 2 is a thin or weak member, it does not have that much strength. Further, the owner of the building may be anxious about attaching the gas meter to the building wall 2 in fear of the building wall 2 being broken. At such times,
The support 131 for supporting the gas meter 7 is taken from a firm cloth base 125, and the building wall 2 is simply subjected to a minor treatment for preventing the support 131 from falling down.

Two pipe bands 143 and 145 are wound around the pipe 138. The two pipe bands 143 and 145 are the same as the above-mentioned pipe band 139 for preventing the pillar from falling. However, hinge 143
a, 143d, which spreads out in a T-shape,
145d (see FIG. 7A). This foot 143
d and 145 d are applied to the wall fixing portions 45 and 53 of the fixing metal 41, and the fixing metal 41 is fixed with the bolts 147. Therefore, the suspension unit 1 is fixed to the pipe 138 of the column 131 via the fixing bracket 41 and the pipe bands 143 and 145. The fixing bracket 41 is the same as that of the embodiment of FIG. Note that a cap 146 for preventing rainwater from entering is covered on the upper end of the pipe 138.

In the embodiment shown in FIG. 7, since the gas meter 7 is set up by supporting the pillars from a firm cloth foundation, the gas meter 7 can be firmly fixed even when the building wall 2 is weak.
Further, there is no possibility of damaging the building wall 2.

FIG. 8 is a view showing a modified example of FIG. 7 (cloth base surface installation type). (A) is a plan view, (B) is a front view, and (C) is a side view. In this example, the cloth foundation 125
The base 153 is fixed to the base surface (horizontal surface on the foot) with an anchor bolt 155. A female screw block 157 is vertically provided near the vertical surface 125a of the base 153. The male screw at the lower end of the support pipe 138 is screwed into the female screw block 157 to fix the support pipe 138. The pipe 138 can be fixed by various methods such as a simple fitting method and a bolting method in addition to the screw method. Where the cloth foundation 125 cannot be used, an appropriate concrete block may be buried in the soil, and the base 153 may be fixed on the upper surface thereof.

[0044]

As is apparent from the above description, according to the present invention, it is possible to provide a gas meter installation method that can simplify the mounting operation when using a flexible gas pipe that is not rigid enough to support the gas meter in the gas pipe. .

[Brief description of the drawings]

FIG. 1 is a diagram showing an entire configuration of a gas meter installation method according to one embodiment of the present invention. (A) is a plan view, (B) is a front view, and (C) is a side view.

FIG. 2 is a partial plan sectional view showing a detailed structure of a socket for connecting a gas stopper and a π-shaped member inlet portion.

FIG. 3 is a cross-sectional view showing details of a structure of a falling pipe and a union.

FIG. 4 is a view showing a gas meter installation method (bracket method) according to another embodiment of the present invention. (A) is a plan view, (B) is a front view, and (C) is a side view.

FIG. 5 is a view showing a gas meter installation method (hanger method) according to another embodiment of the present invention. (A) is a plan view,
(B) is a front view, (C) is a side view of AA section.

FIG. 6 is a diagram showing an outline of a gas meter installation method (cloth-based utilization method) according to another embodiment of the present invention.

FIG. 7 is a diagram showing details of the gas meter installation method (cloth base vertical surface utilization method) of FIG. 6 (A). (A) is a plan view,
(B) is a front view, (C) is a side view.

FIG. 8 is a diagram showing details of the gas meter installation method (cloth base base surface installation type) of FIG. 6 (B). (A) is a plan view,
(B) is a front view, (C) is a side view.

FIG. 9 is a diagram showing a standard installation example of a gas meter for city gas. (A) is a front view, (B) is a side view.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Suspension unit 2, 2 'wall 5 Inlet piping 5a Flexible joint 7 Gas meter 9, 10 Outlet piping 9a, 10a Flexible joint 11 Inlet connection port 13 Gas stopper 13a Knob 13b Lock mechanism 15 Socket 15a Pointing part 15b 15f
O-ring 15c Stop ring 15d Ring groove 15e Cut 15g Insertion hole 15h Ring groove 15i Taper portion 16a Detent pin 16b Pin hole 19 Entry side (elbow) 19a Gas communication passage 20 π-shaped member 21 (left) falling pipe ( Leg part 21a union part 21b circumferential groove 22 transverse part 22a top part 23 union nut 23a stop ring engaging part 23b female screw 25 gas meter inlet 25a male screw 27 gas meter outlet 29 union nut 31 (right) falling pipe (leg) 33 exit Side (elbow) 33a Gas communication passage 35 Test port 35a Test port (plug) 37 Upper connection port 39 Lower connection port 41 Fixing bracket 45, 53 Wall fixing section 46, 52 Screw 47, 51 Leg 49 Mounting section 50 Screw 91 Stop Ring 93 Packing 101 Bra Tsu DOO 101a top plate 101b long hole 103 anchor bolt 105 fixed bracket 105a, 105
b Slot 107 Bolt 110, 110 'Anchor bolt 111, 111' Hanger support 111a, 111a 'Blade 112, 112'
Thumbscrew 113 Hanger 113a Lower folded portion 114 Backing plate 115 Fixing bracket 115a Elongated hole 117 Set screw 121 Column 123 Floor 125 Cloth foundation (concrete) 125a Vertical surface 125b Base surface 127 Ground 131 Post 133 Base 134 Female screw block 135 Anchor bolt 137 Elbow 138 Pipe 139, 143, 145 Pipe band 139a, 143a, 145a Hinge 139b Half band 139c Screw 143d, 145d Leg 140 Foot 141 Anchor bolt 146 Cap 147 Bolt 151 Post 153 Base 155 Anchor bolt 157 Female screw 157 Female screw
Union 206 Gas tap 209 Flexible pipe 281 Inlet connection pipe 291 Outlet connection pipe 297 Piping support 202 Building wall 205 Gas supply pipe 207 Gas meter 235 Test port

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Fumitaka Sato 3-27-15 Nishiichinoe, Edogawa-ku, Tokyo (72) Inventor Tomoyuki Minami 1-48-6-406, Higashiikebukuro, Toshima-ku, Tokyo Hideo 2 Daifuku, Kuwana-shi, Mie Hitachi Metals Co., Ltd. Kuwana Plant (72) Inventor Minoru Fujiyoshi Minoru 2 of Daiku, Kuwana-shi, Mie Hitachi Metals Co., Ltd. 428 Kamimotoiri 7

Claims (11)

[Claims] 1. A method of installing a gas meter and its inlet / outlet piping in a building or the like; a gas meter suspension having a joint connected to the inlet / outlet of the gas meter and a joint connected to the gas meter inlet / outlet piping. A method for installing a gas meter, comprising using a frame unit, fixing the unit to a building wall or a foundation, and suspending the gas meter and its inlet / outlet piping on the unit. 2. The gas meter installation method according to claim 1, wherein a back surface of the gas meter suspension unit (a back surface of a display surface of the suspended gas meter) is fixed to a wall surface of the building. 3. The gas meter installation method according to claim 1, wherein a bracket is protruded from a wall surface of the building, and the back of the gas meter suspension unit is fixed to the surface of the bracket so as to face the back. 4. The gas meter installation method according to claim 1, wherein an aerial member (hanger) is installed between two opposing building walls, and the gas meter suspension unit is fixed to the aerial member. 5. The gas meter installation method according to claim 4, wherein the gas meter suspension unit is fixed via a slide member that slides in a longitudinal direction of the overhead member. 6. The gas meter installation method according to claim 1, wherein a column is erected from the foundation of the building, and the gas meter suspension unit is fixed to the column. 7. The gas meter installation method according to claim 1, wherein a column that rises from the vertical surface of the building cloth foundation to the front upper side is erected, and the gas meter suspension unit is fixed to the column. 8. The gas meter installation method according to claim 7, wherein an upper portion of the column is fixed to a wall surface of the building to prevent the column from swinging. 9. The gas meter installation method according to claim 7, wherein the column is erected from a base surface of a buried portion of a building cloth foundation. 10. The gas meter installation method according to claim 1, wherein the block is buried in the ground, a column is erected from the block, and the gas meter suspension unit is fixed to the column. 11. The gas meter suspension unit includes a π-shaped basic member (π-shaped member) including a transverse portion extending in a lateral direction, and a leg hanging downward and to the lower right of the transverse portion. Between the left and right ends of the crossing part and the legs near the end,
A communication passage opening to the end surface of the end portion and the leg portion is formed, and the left and right communication passages are mutually shut off.A gas stopper is provided at one end of the crossing portion, and a test port is provided at the other end. 11. A gas meter inlet connection joint is connected to the lower end of the leg near the gas tap, and a gas meter outlet connection joint is connected to the lower end of the leg near the test port. The gas meter installation method according to claim 1.