JP3343566B2 - Meter installation device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a meter installation device to which a meter such as a water meter, a pressure gauge and a constant flow meter can be detachably attached to various pipes such as a water pipe.

[0002]

2. Description of the Related Art For example, an apartment house such as a public corporation is provided with a water meter for measuring water consumption for each house. A commonly used water meter is provided with a primary-side tubular portion engraved with an external thread and a secondary-side tubular portion also engraved with an external thread, and the primary-side tubular portion is attached to the primary-side tubular portion. By screw-connecting the water supply pipe and the secondary water supply pipe to the secondary pipe portion, the flow rate of tap water flowing from the primary water supply pipe to the secondary water supply pipe can be grasped.

[0003] However, the primary water supply pipe and the secondary water supply pipe are fixed in the ground, in a pit, in a pipe space, or the like, and have a small degree of freedom of movement. In the screw connection method, mounting and removing the meter is extremely complicated, and periodic inspection work or replacement work due to failure cannot be performed smoothly. Therefore,
Conventionally, various types of meter installation devices have been provided.

In such a meter installation device, a pair of holders is attached to a base housed in a pit or a pipe space, and a primary-side water supply pipe is connected to a primary-side holder, and a secondary-side water supply pipe is connected to a secondary-side holder. They are screw-connected. Further, in one of the holders, a connection pipe body in which a nut is externally fitted is protruded, and in the other holder, a connection pipe body in which the nut is externally fitted is removably fitted, The connection tube is pulled out by a predetermined amount, and the two nuts are screwed into the tube portions of the meter, respectively, so that the meter is attached.

[0005]

The above-mentioned conventional meter installation device employs a mechanism for widening the interval between a pair of connecting tubes by retreating one connecting tube so that the two tube portions of the meter can be provided. The installation and removal of the meter can be performed more easily than the method of directly screwing and connecting the water pipes. However, the operation of screwing the two nuts externally fitted to the pair of connection pipes on and off the pipe section of the meter is still complicated. In addition, this work must be performed in the ground where the meter installation device is housed, in a pit, or in a pipe space, which is difficult.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and has as its object to provide a meter installation device capable of mounting and removing a meter very easily. is there.

[0007]

Means for Solving the Problems In order to solve the above problems,
The meter installation device according to the present invention includes the holder 3 to which the primary water pipe 65a is connected and the holder 5 to which the secondary water pipe 65b is connected.
The meter installation device which supports the connection part of the meter 56 by the connection pipes 24 and 45 provided in the said, and at least one connection pipe 24 of said pair of connection pipes 24 and 45 is provided. Is fitted to the holder 3 so as to be movable in the direction of contact and separation with the other connecting pipe 45, and furthermore,
The connection tubes 24, 45, and the connection tubes 24, 45
A connecting portion of the fitting can meter 56 are connected by a recess-projection fitting into Rutotomoni, the outer peripheral surface of the connection portion of the meter 56
O-ring 5 between the connecting pipes 24 and 45 and the inner peripheral surfaces thereof.
9 is interposed .

According to the meter installation device having the above configuration,
At least one of the connecting tubes 24 is retracted toward the holder 3 so that the distance between the pair of connecting tubes 24 and 45 is widened, and the meter 56 is positioned at a predetermined position between the holders 3 and 5. Thereafter, at least one of the connection tubes 24 is moved (advanced) to the other connection tube 45 side.
By this operation, the connection portions of the connection tubes 24 and 45 and the connection portion of the meter 56 are fitted in an uneven manner, and the meter 56 is attached. On the other hand, from such a state, at least one of the connection pipes 24
Is moved (evacuated) in a direction to separate it from the other connection tube 45. By this operation, the uneven fitting between the connection tubes 24 and 45 and the connection portion of the meter 56 is released, and the
6 becomes removable.

In the meter setting device according to the present invention, the connecting portion of the meter 56 is screwed to a male screw 57 engraved on the tube portions 56a and 56b of the meter 56. The configuration of the joint 58 can be adopted. According to the meter installation device having such a configuration, the male screw 5 engraved on the tube portions 56a and 56b of the meter 56
7, a joint 58 is screwed, and the meter 56 is positioned at a predetermined position between the holders 3 and 5. Thereafter, at least one connecting pipe 24 is connected to the other connecting pipe 45.
To the side (advance). By this operation, the connection tubes 24 and 45 and the joint 58 are fitted into the concave and convex, and the meter 5
6 is mounted. On the other hand, from such a state, at least one of the connection pipes 24 is moved (evacuated) in a direction to separate from the other connection pipe 45. By this operation, the fitting between the connecting tubes 24 and 45 and the joint 58 is released, and the meter 56 can be removed.

Further, in the meter installation device according to the present invention, the connecting pipes 24, 45 and the connecting portion of the meter 56 are connected to each other so that the connecting pipes 2 are connected to each other.
In order to prevent the retraction of the connection 4 to the holder 3 , the connection
A stopper that comes into contact with the large-diameter portion 29 provided on the tube 24.
It is preferable to adopt a configuration in which 70 is interposed between the large-diameter portion 29 and the holder 3 . According to the meter installation device having such a configuration, while the stopper 70 is mounted, the movement of the connection pipe 24 toward the holder 3 is regulated, and the mounted state of the meter 56 is maintained. When the stopper 70 is removed, the restriction on the movement of the connection tube 24 toward the holder 3 is released, and the meter 56 can be removed.

Further, the meter installation device according to the present invention is mounted on a plate-like base 6 and partially open so that the holders 3 and 5 can be inserted thereinto. 5 holding means 72 capable of restraining the outer surface of the base
A holder for the base 6 attached to the base 6
Outer surface of the holder 3,5 to adjust the height of 3,5
And a height adjusting means 75 which can be displaced within the holding means 72 by contact with the holding means 72. According to the meter installation device having such a configuration, the holding means 72
The holders 3 and 5 are inserted into the inside, and in a state where the holders 3 and 5 are restrained, the height adjusting means 75 in the holding means 72 is held.
To adjust the height of the holders 3 and 5 with respect to the base 6. Therefore, according to this configuration, the holders 3, 5 can be fixed to the base 6 with the height of the holders 3, 5 relative to the base 6 being adjusted.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. As shown in FIG.
Indicates a main body of a meter installation device, and a primary side holder 3 which is a holder as a connecting means to which a meter 56 is detachably attached is provided on both sides of a base 6 made of a metal plate.
And a secondary side holder 5 are provided.

The primary holder 3 is disposed on the upstream side in the flow of tap water and, as shown in FIG. 2, is constituted by a ball valve so as to control the flow rate of tap water as a fluid. . Reference numeral 9 denotes a valve body in which the flow path 2 is formed in the pipe axis direction.
And an outer peripheral surface of an end of the body 9a. The body 9a has a ball holding portion 9b screwed through an O-ring 11 into a female screw cut at one end of the body 9a. Is provided with a male screw 14 for screw-connecting a water supply pipe 65 (primary water supply pipe 65a).

Reference numeral 17 denotes a pair of ball seats mounted on the inner peripheral surface on the other end side of the body portion 9a and the ball retainer 9b, and a tapered surface whose diameter increases toward the end portion is formed on the inner peripheral surface inside the pair. , Synthetic resin and the like.

Reference numeral 19 denotes a substantially spherical ball rotatably interposed between the ball seats 17 and 17, and has a columnar shape so that the flow paths 2 and 2 located at both ends of the ball 19 can be opened and closed. A through hole 19a is formed.

Reference numeral 20 denotes a handle for rotating the ball 19, which is connected so as to be orthogonal to the through hole 19a of the ball 19, so that by rotating the handle 20 with respect to the valve body 9, The ball 19 can be rotated so that the through hole 19a rotates in the horizontal direction.

The primary holder 3 is provided with a tubular connecting tube 24 which can freely move in and out (slide). More specifically, a flange 26 is provided on the outer peripheral surface of the proximal end (primary side) of the connection pipe 24, and the flange 26 is positioned between the ball holding portion 9 b of the valve body 9 and the meter 56. , And slides in the inner hole 23a of the annular projection 23 protruding therefrom. An O-ring 25 is mounted in an annular groove provided around the outer peripheral surface of the flange 26, and the O-ring 25 seals the inner peripheral surface of the annular protrusion 23 and the outer peripheral surface of the flange 26. A nut 27 is screwed into the annular projection 23 to prevent the connection tube 24 from coming off.

On the other hand, the tip (secondary side) of the connecting tube 24
Is formed with a receiving portion 28 for supporting the tube portion 56a on the primary side of the meter 56. The receiving portion 28 has a large-diameter portion 29 provided around the outer peripheral surface of the distal end portion of the connecting pipe 24.
And a curved protruding piece 30 protruding in the axial direction along the lower edge of the large diameter portion 29.

A fitting hole 29a is formed in the end face of the connecting tube 24, that is, the end face of the large diameter portion 29 along the axial direction. The fitting hole 29a is coaxial with the inner hole 24a of the connecting pipe 24 and the inner hole 24a
It has a larger diameter than that of the inner hole 24a.

On the other hand, the tube portion 56a on the primary side of the meter 56
A male screw 57 is engraved on the outer peripheral surface of the. A joint 58 having a multi-stage cylindrical shape is screwed to the male screw 57. The joint 58 has a small diameter at its distal end (primary side) and a large diameter at its proximal end (secondary side), and its distal end can be fitted into the fitting hole 29 a of the connecting pipe 24. I have.

In this state, the outer peripheral surface of the distal end of the joint 58 abuts against the inner peripheral surface of the fitting hole 29a, and the end surface extending between the distal end and the proximal end of the joint 58 is connected to the connecting tube. 24 abuts against the end face of the tip portion (large diameter portion 29),
Further, the outer peripheral surface of the base end of the joint 58 comes into contact with the inner peripheral surface of the projecting piece 30 of the receiving portion 28. Further, an O-ring 59 is mounted in an annular groove provided around the outer peripheral surface of the distal end of the joint 58, and the O-ring 59 seals the inner peripheral surface of the fitting hole 29a and the outer peripheral surface of the distal end of the joint 58. It is planned.

A tube portion 56a on the primary side of the meter 56
The female screw 60 cut along the axial direction from the end face of the base end of the joint 58 to be screwed with the male screw 57 of
An annular packing body 61 is mounted, and the packing body 61 seals the end face of the tube portion 56a on the primary side of the meter 56 with the end face in the female screw 60 of the joint 58.

The packing body 61 is, as shown in FIG.
For example, a ring 62 made of SUS304 and the ring 6
2 is formed of a packing 63 made of, for example, EPDM (swelling rubber).

The packing body 61 shown in FIGS.
Is a ring 62 having a substantially T-shape in cross section, comprising an annular portion 62a and a protruding portion 62b provided around the outer peripheral surface of the annular portion 62a; Is constituted by a packing 63 applied so as to cover
On both end faces of the packing 63, annular projections 63a, 63a having a substantially semicircular cross section are provided around. Fig. 4 (c),
The packing body 61 shown in (d) includes a ring 62 having an annular portion 62a and a packing 63 attached so as to cover the outer peripheral surface of the annular portion 62a. Fig. 4 (e),
The packing body 61 shown in (f) includes a ring 62 having a substantially T shape in cross section, which includes an annular portion 62a and a projecting portion 62b provided on the outer peripheral surface of the annular portion 62a, and an outer periphery of the annular portion 62a. It is composed of a packing 63 attached so as to cover the entire surface of the surface and the projecting piece 62b. Although any of these packing bodies 61 can be adopted, a packing body having another structure may be used.

The primary side holder 3 having the above configuration is
As shown in FIGS. 1 and 2, the base 6 is detachably attached to an attachment body 12 provided on one end side of the base 6. This attachment body 12 is formed by bending a metal plate material into a U-shape.
A pair of raised holding pieces 12a, 12a and a mounting piece 12b connected to lower edges of both holding pieces 12a, 12a and fixed to the upper surface of the base 6 are attached to both holding pieces 12a, 12a. A notch (generally semicircular, but not shown) is formed, and the primary holder 3 is removably fitted into the notch. The mounting body 12 is provided with a pair of holding pieces 12a, 1 without providing the mounting piece 12b.
It is also possible to adopt a configuration in which 2a is erected from the upper surface of the base 6.

Next, the secondary-side holder 5 is arranged downstream of the flow of tap water. As shown in FIG. 3, unlike the primary-side holder 3, no valve mechanism is employed. That is, the secondary-side holder 5 does not have a valve main body, and is composed of only the connection pipe 45. And the connection pipe 4
A male screw 46 is engraved on the outer peripheral surface of the base end portion (secondary side) of No. 5. In addition, the distal end portion (primary side) of the connection pipe 45.
Is formed with a receiving portion 47 for supporting the tube portion 56b on the secondary side of the meter 56. The receiving portion 47 is provided with a large-diameter portion 48 provided around the outer peripheral surface of the distal end portion of the connecting tube 45.
And a curved protruding portion 49 protruding in the axial direction along the lower edge of the large diameter portion 48.

A fitting hole 48a is formed in the end face of the distal end of the connecting pipe 45, that is, the end face of the large diameter portion 48 along the axial direction. The fitting hole 48a is coaxial with the inner hole 45a of the connecting pipe 45 and the inner hole 45a
It has a larger diameter than that of the inner hole 45a.

On the other hand, the tube portion 56b on the secondary side of the meter 56
A male screw 57 is engraved on the outer peripheral surface of the. A joint 58 having a multi-stage cylindrical shape is screwed to the male screw 57. The joint 58 has a small diameter at the distal end (primary side) and a large diameter at the proximal end (secondary side), and the distal end thereof can be fitted into the fitting hole 48 a of the connecting pipe 45. I have.

In this state, the outer peripheral surface of the distal end of the joint 58 abuts against the inner peripheral surface of the fitting hole 48a, and the end surface of the joint 58 extending over the distal end and the proximal end of the joint 58 is The outer peripheral surface of the proximal end of the joint 58 contacts the inner peripheral surface of the projecting piece 49 of the receiving portion 47. Also,
An O-ring 59 is mounted in an annular groove provided around the outer peripheral surface of the distal end of the joint 58, and the O-ring 59 seals the inner peripheral surface of the fitting hole 48a and the outer peripheral surface of the distal end of the joint 58. .

The tube 56b on the secondary side of the meter 56
The female screw 60 cut along the axial direction from the end face of the base end of the joint 58 to be screwed with the male screw 57 of
An annular packing body 61 is mounted, and the packing body 61 seals the end face of the tube part 56 b on the secondary side of the meter 56 with the end face in the female screw 60 of the joint 58. As the packing body 61, the above-described packing body can be adopted, but a packing body having another structure may be used.

Reference numeral 64 denotes a check valve having a valve body 64a that allows only the flow in the water flow direction (the primary water pipe 65a to the secondary water pipe 65b) in the flow path 2. It is installed.

The secondary holder 5 having the above structure is
As shown in FIGS. 1 and 3, it is detachably attached to an attachment body 40 provided on the other end side of the base 6. The attachment body 40 is formed by bending the other end of the base 6 into a substantially L-shape, and includes one standing holding piece 40a. The holding piece 40a has an insertion hole (a substantially circular shape). , Not shown) is formed, and the male screw 46 of the secondary holder 5 of the connection tube 45 is inserted into the insertion hole, and the nut 42 is screwed into the male screw 46 that projects outward from the holding piece 40a. By doing so, the connection pipe 45 is fixed to the mounting body 40,
On the other hand, by loosening the nut 42, the connection pipe 45 is detached from the attachment body 40. The attachment body 40 may have a configuration in which one holding piece 40a is provided upright from the upper surface of the base 6, or a configuration like the attachment body 12 described above. On the outer peripheral surface of the nut 42, a male screw 43 for screwing and connecting a water pipe 65 (secondary water pipe 65b) is formed.

By the way, in order to make the meter 56 detachable from the meter installation device, the connecting tube 24 of the primary holder 3 is connected to the connecting tube 24 of the primary holder 3 in a retracted state. The distance between the secondary holder 5 and the connection pipe 45 must be longer than the entire length of the meter 56. Therefore, in the present embodiment, the primary holder 3
And the secondary holder 5 are arranged as such.

According to this configuration, the meter 56 is retracted with the connecting tube 24 of the primary holder 3 retracted.
Joints 58 screwed to the tube portions 56a, 56b of
58 are respectively placed on the receiving portion 28 of the connecting tube 24 of the primary holder 3 and the receiving portion 47 of the connecting tube 45 of the secondary holder 5, and thereafter, the connecting tube of the primary holder 3. The body 24 is advanced toward the meter 56, and the distal ends of the two joints 58, 58 are respectively fitted into the fitting holes 29 a of the connecting tube 24 of the primary holder 3 and the connecting tube 45 of the secondary holder 5. By fitting into the hole 48a,
The meter 56 can be attached to a meter installation.

With the above-described configuration, the primary tube portion 56a of the meter 56 and the primary water supply pipe 65a are connected via the primary holder 3, and the secondary tube portion 5 of the meter 56 is connected.
6b and the secondary side water pipe 65b are connected via the secondary side holder 5, and the tap water passes through the primary side holder 3 (the valve body 9, the connection pipe 24) from the inside of the primary side water pipe 65a, and is metered. 65, and then the secondary side holder 5
It flows through the secondary side water pipe 65b through the (connection pipe 45).

As shown in FIG. 1, a mounting portion 6a formed of a circular concave portion for mounting the meter 56 is formed at the center of the base 6, and the meter 56 is attached to the meter installation device. In the state in which the meter 5 is
6 is immersed in the lower portion 56c.

By the way, the joint 58 and the connecting pipe 2
Since the connection pipes 4 and 45 are not connected by screwing, the connection pipe 24 may be retracted due to the water pressure of flowing tap water or the like, and the mounting state of the meter 56 may be released. Therefore, in the present embodiment, the connecting tube 24
A stopper 70 is provided as a means for restricting the evacuation.

The stopper 70 is interposed between the nut 27 screwed to the valve body 9b and the large-diameter portion 29 of the connecting pipe 24 to restrict the retreat of the connecting pipe 24. ,
As shown in FIG. 5, a substantially U-shape comprising a semicircular arc portion 70a substantially coinciding with the outer peripheral surface of the connecting pipe 24 and legs 70b, 70b drooping in parallel from both ends of the arc portion 70a. Make

At the lower ends of the legs 70b, 70b, engaging claws 70c, 70c are projected.
In the corresponding position of the engaging claws 70c, 70c,
b, 6b are formed. Therefore, if the engaging claws 70c, 70c of the stopper 70 externally fitted to the connecting tube 24 are inserted through the holes 6b, 6b, the engaging claws 70c, 70c are caught on the back surface side of the base 6 and the stopper 70 Is attached to the base 6 to prevent the stopper 70 from coming off. Moreover, in such a state, one side surface of the stopper 70 is
b, and the other side surface of the stopper 70 contacts the end surface of the large-diameter portion 29 of the connection tube 24, so that the retreat of the connection tube 24 is restricted. The Rukoto.

As shown in FIG. 6, the stopper 70 is removed from the base 6, the connecting tube 24 of the primary holder 3 is retracted, and the connecting tube 24 of the primary holder 3 and the secondary holder are removed. The meter 56 can be removed from the meter setting device by increasing the distance between the connecting tube 45 and the connecting tube 45 of FIG.

As described above, according to the meter installation device of the present embodiment, the joints 58 at both ends of the meter 56 are provided.
Are placed on the protruding pieces 30, 49 of the pair of connecting pipes 24, 45 facing each other, and then the connecting pipe 24 is
Is moved to the connection tube 45 side, the meter 56 can be easily attached. On the other hand, from this state, the connection tube 24 is separated from the connection tube 45,
The meter 56 can be easily removed. Therefore, the attachment and detachment of the meter 56 can be performed in a shorter time as compared with a conventional meter installation device in which two nuts externally fitted to a pair of connection tubes are screwed to and removed from the tube portion of the meter.

The packing body 61 according to this embodiment
Since swelling rubber is used, when the joint 58 is attached to the tube portions 56a and 56b of the meter 56, it is only necessary to manually tighten the joint 58 with respect to the male screw 57. This is because the swollen rubber has a property of expanding when it absorbs moisture, and the sealing effect is sufficiently exhibited by the expansion of the swollen rubber. Therefore, it is not necessary to form a nut on the outer surface of the joint 58, and it is not necessary to hook a tool such as a wrench on the nut to securely fasten the joint 58.
8 can be manufactured at low cost, and the work of attaching the joint 58 can be simplified.

Note that the present invention is not limited to the above embodiment, and various changes can be made without departing from the gist of the present invention.

[0044]

In the above embodiment, the meter 5
Male screw 5 engraved on tube portions 56a, 56b at both ends of 6
The joints 58, 58 serving as connecting portions are screwed onto the connecting member 7 so as to be able to fit into the connecting tubes 24, 45 in an uneven manner.
6b may be formed in a cylindrical shape to form a connection portion, and this may be fitted to the connection tubes 24, 45 in an uneven manner.

Further, although the joint 58 is formed in a multi-stage cylindrical shape, the present invention is not limited to this, and may be a single-stage cylindrical shape. The point is that the joint 58 can be screwed to the tube portion 56a (56b) of the meter 56, and at least the distal end of the joint 58 can be fitted into the connection tube 24 (45). It is the intention of the present invention. Therefore, in the range of this purpose, the cross-sectional shape of the joint 58 is not limited to a circle, but may be other shapes.

In the above embodiment, only the connection pipe 24 on the primary side is configured to move so as to be able to move back and forth. However, according to the present invention, both the pair of connection pipes 24 and 45 can be moved out. It is possible to adopt a configuration in which the connection pipe 45 is removably moved, or a configuration in which only the secondary-side connection pipe 45 is moved in and out.

Further, the stopper 70 for restricting the movement of the connecting pipe 24 on the primary side with the meter 56 attached is not limited to that of the above-described embodiment. It may be a ring-shaped member that is fitted to the outside. When the stopper 70 is securely fixed to the base 6 and the stopper 70 is in contact with at least the connecting pipe 24, the purpose of restricting the movement of the connecting pipe 24 is achieved.

The meter setting device according to the present invention can adopt, for example, a configuration as shown in FIG. 7 in addition to the above embodiment. That is, the secondary holder 5 is also provided with a valve mechanism so that the flow rate of tap water can be controlled, or the configuration of the attachment of the primary holder 3 and the secondary holder 5 is changed.

The primary holder 3 has a first attachment 7
2 is adopted. As shown in FIG. 8, the attachment body 72 is inserted from the back surface side of the base 6 toward the front surface side of the holding piece 73, which is formed by bending a single band plate appropriately to form a substantially annular shape. 74 fixed to the base 6, a nut 75 screwed to the screw 74, and a screw 76 for connecting both ends of the holding piece 73 to adjust the distance therebetween so as to be changeable.
And a nut 77.

According to the mounting member 72, the holding piece 73
With the primary holder 3 inserted therein, both ends of the holding piece 73 are fastened with the screw 76 and the nut 77, and then the screwing position of the nut 75 with respect to the screw 74 is changed to the outer surface of the primary holder 3. By making contact, the primary side holder 3 can be fixed to the base 6. In this sense, the holding piece 73 and the nut 75 serve as holding means for holding the outer surface of the holder 3, and the screw 74 and the nut 75
It functions as height adjusting means for adjusting the height of the holder 3 with respect to the base 6.

The base 6 is provided with a screw 78 that is inserted from the front side to the back side. The inclination (horizontal degree) of the base 6 can be adjusted by adjusting the amount of protrusion and retraction of the screw 78.

On the other hand, the secondary holder 5 employs a second mounting member 80. The attachment body 80 includes a leg portion 5a protruding downward from the outer surface of the secondary side holder 5. According to the attachment body 80, the leg 5a is connected to the base 6
, The secondary holder 5 can be fixed to the base 6. In this embodiment, the secondary holder 5 and the leg 5a are integrally formed by casting.

[0054]

As described above, the meter installation device according to the present invention comprises a pair of connecting pipes provided on a holder to which a primary water pipe is connected and a holder to which a secondary water pipe is connected. At least one of the connecting pipes is fitted to the holder so as to be movable in the direction of contact and separation with the other connecting pipe, and furthermore, the connecting pipe and the connecting portion of the meter are connected to each other. However, since it is configured to be connected by concave-convex fitting, simply moving the connecting pipe body
Removal can be performed very easily.

[Brief description of the drawings]

FIG. 1 is a front view including a partial cross section of a meter installation device according to an embodiment of the present invention, with a meter attached.

FIG. 2 is a sectional front view of the primary side holder of the embodiment.

FIG. 3 is a sectional front view of a secondary-side holder of the embodiment.

FIG. 4 is a packing body of the embodiment, wherein (A) is:
The front view of the first example, (b) is a side view including a partial cross section of (a), (c) is a front view of the second example, and (d) includes a partial cross section of (c). (E) is a front view of the third example,
(F) is a side view including a partial cross section of (e).

FIG. 5 is a front view of the stopper according to the embodiment, wherein (A) is a front view in a state where the stopper is mounted on a base, and (B) is A of (A).
-A line sectional drawing.

FIG. 6 is a front view including a partial cross-section of the meter installation device of the embodiment, with the meter removed.

FIG. 7 is a front view including a partial cross section of a meter installation device of another embodiment.

FIG. 8 is a sectional view taken along line BB of FIG. 7;

[Explanation of symbols]

3: Primary holder, 5: Secondary holder, 5a: Leg, 6: Base, 12: Mounting body, 24: Connection tube
28 ... receiving part, 29a ... fitting hole, 30 ... projecting piece part, 40 ...
Attachment body, 45 ... Connection tube, 47 ... Receiving part, 48a ...
Fitting hole, 49 ... projecting piece, 56 ... meter, 56a, 56b
... pipe part, 57 ... male screw, 58 ... joint, 61 ... packing body, 65a ... primary side water supply pipe, 65b ... secondary side water supply pipe, 70 ... stopper, 70c ... engaging claw, 72 ... mounting body, 73 ... holding pieces, 74 ... screws, 75 ... nuts, 76
... screws, 77 ... nuts, 78 ... screws, 80 ... mounting body

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) G01F 15/18 E03C 1/02 G01D 11/30

Claims (6)

(57) [Claims] 1. A holder (3) to which a primary water supply pipe (65a) is connected, and a holder (5) to which a secondary water supply pipe (65b) is connected. A meter installation device for supporting a connection portion of a meter (56) with a connection pipe (24, 45) provided in the at least one of the pair of connection pipes (24, 45). The connecting pipe (24) is fitted to the holder (3) so as to be movable in the direction of contact and separation with the other connecting pipe (45), and furthermore, the connecting pipe (24). (24, 45) and fit into the connecting tube (24, 45)
Possible meter and connections (56) are connected by a convex-concave engagement Rutotomoni, the outer peripheral surface of the connection portion of the meter (56)
Between the inner peripheral surface of the connecting pipe (24, 45) and
A meter installation device characterized by having a plug (59) interposed . 2. The joint of the meter (56) is a joint (58) which is screwed to a male screw (57) engraved on a tube (56a, 56b) of the meter (56). The meter setting device according to claim 1. 3. Restricting the connecting tube (24) from retreating to the holder (3) side from the state where the connecting tube (24, 45) and the connecting portion of the meter (56) are connected. Large-diameter portion (29) provided in the connection pipe (24)
The stopper (70) contacting the large diameter portion (29)
The meter installation device according to claim 1 or 2, wherein the meter installation device is interposed between the holder and the holder (3) . 4. A holding means (3) attached to a plate-like base (6), a part of which is open to allow the holder (3, 5) to be inserted therein and the outer surface of the holder (3, 5) to be restrained. 7
2) and attached to the base (6);
Adjust the height of the holder (3, 5) with respect to (6).
The meter according to any one of claims 1 to 3, further comprising a height adjusting means (75) which can be displaced within the holding means (72) by contacting an outer surface of the holder (3, 5). Installation device. 5. A holder (3) to which a primary water supply pipe (65a) is connected and a holder (5) to which a secondary water supply pipe (65b) is connected. A meter installation device for supporting a connection portion of a meter (56) with a connection pipe (24, 45) provided in the at least one of the pair of connection pipes (24, 45). The connection tube (24) is fitted to the holder (3) so as to be movable in the direction of contact and separation with the other connection tube (45). 2
The connection portion of the meter (56) is connected to the connection portion of the meter (56) by a concave and convex fit, and the connection portion of the connection tube (24, 45) and the connection portion of the meter (56) is connected. The large-diameter portion (2) provided in the connection pipe (24) for restricting the retreat of the pipe (24) toward the holder (3).
The stopper (70) abutting on the large-diameter portion (2)
9) A meter installation device interposed between the holder and the holder (3). 6. A holder (3) to which a primary water supply pipe (65a) is connected, and a holder (5) to which a secondary water supply pipe (65b) is connected. A meter installation device for supporting a connection portion of a meter (56) with a connection pipe (24, 45) provided in the at least one of the pair of connection pipes (24, 45). The connection tube (24) is fitted to the holder (3) so as to be movable in the direction of contact and separation with the other connection tube (45). 2
4, 45) and the connecting portion of the meter (56) are connected by uneven fitting, and further attached to a plate-like base (6), a part of which is opened and the holders (3, 5) are inserted. Holding means (72), which is capable of restraining the outer surface of the holder (3, 5), and is attached to the base (6), and adjusts the height of the holder (3, 5) relative to the base (6). Therefore, the height adjusting means (7) which can be displaced in the holding means (72) by contacting the outer surface of the holder (3, 5).
5) A meter setting device characterized by comprising: