JP2007248116A - Support device of gas meter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce the deformation amount of a support plate section of a device body for supporting a primary-side and secondary-side connecting pipes. <P>SOLUTION: The primary-side connecting pipe 4 and secondary-side connecting pipe 5 are supported at a tip of the support plate section 2B via a mounting plate 3. The support plate section 2B is provided with a first linking piece section 25 to which an upstream-side end 42 of the primary-side connecting pipe 4 is fixed via a linking tool 6 and a second linking piece section 26 to which a downstream-side end 52 of the secondary-side connecting pipe 5 is fixed via the linking tool 6. The first and second linking piece sections 25 and 26 are arranged on the base end side of the support plate section 2B other than the mounting plate 3. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a gas meter support device for attaching a gas meter to a wall portion, a column or the like.

  In general, as described in Patent Document 1 below, this type of support device includes a device main body attached to a wall or a column, and a primary support supported by a support plate portion extending toward the front in the horizontal direction of the device main body. Side and secondary side connecting pipes. A primary side gas pipe is connected to the upstream end of the primary side connecting pipe, and a household secondary side gas pipe is connected to the downstream end of the secondary side connecting pipe. In addition, an inlet and an outlet of the gas meter are respectively screwed and fixed to the downstream end of the primary connection pipe and the upstream end of the secondary connection pipe. Thereby, a gas meter is supported by a wall, a support | pillar, etc. via a support apparatus.

JP 2000-46621 A

  The gas meter has a predetermined thickness in the front-rear direction. Moreover, the gas pipes respectively connected to the primary side and secondary side connection pipes are arranged on the back side of the gas meter. For this reason, the downstream side end portion to which the gas meter of the primary side connecting pipe is connected is disposed in front of the upstream side end portion to which the gas pipe is connected, and is supported by the tip end portion of the support plate portion. Similarly, the upstream end to which the gas meter of the secondary side connecting pipe is connected is supported by the tip of the support plate. Since each connecting pipe is supported at the tip of the support plate, if an unexpected external force acts downward on each connecting pipe, a large stress is generated at the base end of the support plate, and the support plate There was a possibility that the base end portion was greatly deformed.

The present invention has been made in order to solve the above-described problem, and includes an apparatus main body having a support plate portion extending substantially horizontally toward the front, and a primary side and a second side supported by the support plate portion of the apparatus main body, respectively. In the gas meter support device including the secondary side connection pipe, the support plate portion is provided with a connecting portion to which at least one of the primary side connection pipe and the secondary side connection pipe is immovably connected downward, This connection part is arrange | positioned behind the support part with respect to said one of the said support plate part, It is characterized by the above-mentioned.
In this case, it is desirable that two connecting parts are provided, and the primary side connecting pipe and the secondary side connecting pipe are connected to each connecting part. In particular, it is desirable that a connecting tool is detachably attached to the two connecting parts, and the primary side connecting pipe and the secondary side connecting pipe are connected to each connecting part via a connecting tool.

  According to the present invention having the above characteristic configuration, when an external force directed downward is applied to at least one of the primary side and secondary side connection pipes, a part of the external force is supported by the connecting portion. Here, the connection part is arrange | positioned from the support part of the support plate part with respect to the said one at the rear end side. Therefore, the stress generated in the base end portion of the support plate portion by the external force can be reduced, and the deformation amount of the support plate portion can be reduced by that amount.

The best mode for carrying out the present invention will be described below with reference to the drawings.
1 to 3 show a first embodiment of the present invention. The gas meter support device 1 of this embodiment is used when a gas meter (not shown) is provided in a space called a pipe shaft of a condominium where a gas pipe, a water pipe, and the like are installed. It is attached to two support members S, S arranged parallel to each other with the longitudinal direction in the shaft in the horizontal direction. Of course, the support device 1 can be changed to a mode of being attached to an outer wall or a column of a building.

  The support device 1 includes a device main body 2, a mounting plate 3, a primary side connection pipe 4, and a secondary side connection pipe 5. The apparatus main body 2 is composed of a mounting plate portion 2A and a support plate portion 2B, both of which are made of a metal plate material. The mounting plate portion 2A is arranged substantially vertically, and the upper end portion of the mounting plate portion 2A is bent in the rearward direction and then downwardly to be opened downward so as to have a substantially rectangular cross section. The engaging recess 21 is formed. The engaging recess 21 is fitted with a support member S disposed on the upper side. Thereby, the upper end part of 2 A of attachment board parts is supported by the supporting member S so that a movement to the front-back direction and the downward direction is impossible. Bolts 11 are inserted through an intermediate portion in the vertical direction of the mounting plate portion 2A. The bolt 11 is screwed to the holding plate 12 inserted into the support member S. Then, by tightening the bolt 11, the intermediate portion of the mounting plate portion 2 </ b> A is pressed and fixed to the front surface of the lower support member S. As a result, the mounting plate portion 2A is supported and fixed to the support members S and S. In addition, since the upper support member S is fitted to the engagement recess 21 so as to be relatively movable in the left-right direction, and the holding plate 12 is inserted into the lower support member S so as to be movable in the left-right direction, the bolt 11 By loosening, the mounting plate portion 2A can be adjusted in the left-right direction.

  The support plate portion 2B has a rectangular shape in plan view, the horizontal plate portion 22 disposed horizontally with the longitudinal direction facing the front-rear direction, and the reinforcing plate portions 23 provided on the left and right side portions of the horizontal plate portion 22, 24. A base end portion (rear end portion) of the support plate portion 2B is fixed to an intermediate portion in the vertical direction of the mounting plate portion 2A. Therefore, the support plate portion 2B extends horizontally from the mounting plate portion 2A toward the front.

  The placement plate 3 is made of a metal plate having a rectangular shape in plan view, and is arranged with its longitudinal direction facing the left-right direction. A central portion in the left-right direction of the mounting plate 3 is mounted on the tip end portion of the support plate portion 2B and is fixed by a bolt 13 and a nut 14. Both left and right end portions of the mounting plate 3 protrude in the left-right direction from the support plate portion 2B. Concave portions 31 and 32 are respectively formed on the front surfaces of the left and right ends of the mounting plate 3 protruding left and right from the support plate portion 2B.

  The primary side connecting pipe 4 has an inverted “U” shape, and is arranged with its both end openings directed downward. In addition, the primary side connecting pipe 4 is arranged so that the downstream end 41 thereof is positioned in front of the upstream end 42. A downstream end 41 of the primary connection pipe 4 is inserted into a recess 31 formed on the left side of the mounting plate 3. Thereby, the downstream end 41 is positioned in the front-rear direction and the left-right direction. A gas pipe on the main plug side, for example, a flexible gas pipe, is connected to the upstream end 42 of the primary connection pipe 4, and gas is supplied from the gas pipe into the upstream end 42 of the primary connection pipe 4. .

  A fixed arm portion 43 is provided at a portion of the downstream side end portion 41 of the primary side connecting pipe 4 adjacent to the rear side with respect to the portion inserted into the recess 31. By placing the fixed arm portion 43 on the placement plate 3, the primary side connecting pipe 4 is positioned in the vertical direction. The fixed arm portion 43 is fixed to the mounting plate 3 by a bolt 15 that passes through the fixing arm portion 43 and penetrates the mounting plate 3 and a nut 16 that is screwed into the bolt 15. As a result, the downstream end 41 of the primary connection pipe 4 is fixed to the mounting plate 3 and supported by the tip of the support plate 2 </ b> B via the mounting plate 3. Therefore, in this embodiment, the fixed portion of the fixed arm portion 43 to the mounting plate 3 is a support portion for the primary connection pipe 4 of the support plate portion 2B. The downstream end 41 may be directly fixed to the mounting plate 31 at a portion inserted into the recess 31 instead of being fixed via the fixed arm 43.

  A valve body (not shown) is provided inside the primary side connection pipe 4. By rotating the valve body between the open position and the closed position by the handle 44, the upstream side and the downstream side inside the primary side connecting pipe 4 are opened and closed.

  The secondary side connecting pipe 5 has an inverted “U” shape like the primary side connecting pipe 4, and is arranged with its upstream opening and downstream opening facing downward. ing. However, the secondary side connecting pipe 5 is arranged so that the upstream end portion 51 is positioned in front of the downstream end portion 52. An upstream end 51 of the secondary connection pipe 5 is inserted into a recess 32 formed on the right side of the mounting plate 3. Thereby, the upstream end 51 is positioned in the front-rear direction and the left-right direction. A gas pipe (not shown) such as a flexible gas pipe drawn into the home is connected to the downstream end 52 of the secondary connection pipe 5.

  A fixed arm portion 53 is provided in a portion of the upstream side end portion 51 of the secondary side connecting pipe 5 adjacent to the rear side with respect to the portion inserted into the concave portion 32. By positioning the fixed arm portion 53 on the mounting plate 3, the secondary side connecting pipe 5 is positioned in the vertical direction. The fixed arm portion 53 is fixed to the mounting plate 3 by a bolt 15 that passes through the fixing arm portion 53 and penetrates the mounting plate 3 and a nut 16 that is screwed into the bolt 15. Thereby, the upstream end 51 of the secondary connection pipe 5 is fixed to the mounting plate 3 and supported by the tip of the support plate 2 </ b> B via the mounting plate 3. Therefore, in this embodiment, the fixed portion of the fixed arm portion 53 with respect to the mounting plate 3 is a support portion for the secondary connection pipe 5 of the support plate portion 2B. The upstream end 51 may be directly fixed to the mounting plate 31 at a portion inserted into the recess 32 instead of being fixed via the fixed arm 53.

  At the downstream end 41 of the primary connection pipe 4 and the upstream end 51 of the secondary connection pipe 5, gas meter inlets and outlets (both not shown) are hermetically sealed by connection nuts 17 and 17, respectively. Thus, the downstream end 41 and the inlet, and the upstream end 51 and the outlet are connected in an airtight manner. When connecting the end portions 41 and 51 to the inlet and outlet ports, the downstream end portion 41 and the upstream end portion 51 are positioned by being inserted into the recesses 31 and 32, so that the connection work is easy. Can be done. By connecting the connection pipes 4 and 5 and the gas meter, the gas supplied to the primary side connection pipe 4 flows to the secondary side connection pipe 5 through the gas meter.

  As shown in FIGS. 2 and 4 to 5, the reinforcing plate portions 23 and 24 of the support plate portion 2 </ b> B are first and second connecting piece portions (first and second connecting portions) 25 and 26 facing in the front-rear direction. Are formed respectively. The first and second connecting portions 25 and 26 are rearward of the fixing portions of the fixing arm portions 43 and 53 with respect to the mounting plate 3, that is, the supporting portions by the supporting plate portions 2B of the primary side and secondary side connecting pipes 4 and 5. It arrange | positions at the rear-end part of the reinforcement board parts 23 and 24 so that it may be located. In particular, in this embodiment, it is arranged behind the mounting plate 3. In this embodiment, the first and second connecting pieces 25 and 26 have the same shape and are arranged at the same position in the front-rear direction and the vertical direction. When the dimensions are different from each other, they may be formed in different shapes corresponding to the dimensions, and may be arranged at different positions.

  As shown in FIGS. 1 to 3, the upstream end 42 of the primary connection pipe 4 is fixed to the first connection piece 25 via the connector 6. A downstream end portion 52 of the secondary connection pipe 5 is fixed to the second connection piece portion 26 via the connection tool 6. The downstream end 52 of the secondary connection pipe 5 is a second connection piece portion using a different connection tool from the connection tool 6 that fixes the upstream end 42 of the primary connection pipe 4 to the first connection piece 25. 26 may be fixed.

  The connector 6 has a pair of rotating pieces 61 and 62 and a hinge part 63. One rotating piece 61 is made of a metal plate material, and is composed of a substantially semicircular sandwiching portion 61a and a flat plate portion 61b connected to one end of the sandwiching portion 61a. The other rotating piece 62 is formed symmetrically with the rotating piece 61, and is composed of a clamping part 62a and a flat plate part 62b. The other end portions of the rotating pieces 61 and 62 are formed to be rotatable about an axis extending in the vertical direction by the hinge portion 63.

  The sandwiching portions 61 a and 62 a of the pair of rotating pieces 61 and 62 are in contact with the upstream end portion 42 of the primary side connecting pipe 4 over a little less than a half circumference. In this state, the flat plate portions 61b and 62b of the rotating pieces 61 and 62 are separated from each other in the front-rear direction. Therefore, when the bolt 18 that passes through the flat plate portions 61b and 62b and is screwed to the first connecting piece portion 25 is tightened, the flat plate portion 61b is pressed against the first connecting piece portion 25 and the flat plate portion 62b is fixed to the flat plate portion. Move closer to 61b. As the flat plate part 62b moves, the clamping parts 61a and 62a clamp the upstream end part 42. As a result, the upstream end 42 is fixed to the first connecting piece 25 via the connector 6. Similarly, the downstream end 52 of the secondary connection pipe 5 is fixed to the second connection piece 26 via the connector 6.

  In the gas meter support device 1 configured as described above, when an external force directed in the vertical direction is applied to each of the connecting pipes 4 and 5, particularly when an external force directed downward is applied, a part of the external force is fixed. The support plate portion 2B acts on the support plate portion 2B via the arm portions 43 and 53 and the mounting plate 3, and the other part of the support plate portion 2B via the coupling tools 6 and 6 and the first and second connection piece portions 25 and 26. Act on. In this case, since the first and second connecting piece portions 25 and 26 are located behind the fixed arm portions 43 and 53, all external forces act on the support plate portion 2B via the fixed arm portions 43 and 53. As compared with the case, the stress generated at the base end portion of the support plate portion 2B can be reduced. Therefore, the downward deformation amount of the support plate portion 2B can be reduced.

  FIG. 7 shows a connector 6 ′ used instead of the connector 6. The connecting piece 6 'is integrally provided with rotating pieces 61 and 62. Therefore, when the flat plate portion 62b moves closer to the flat plate portion 61b side as the bolt 18 is tightened, the clamping portions 61a and 62a are elastically deformed accordingly, and press contact with the upstream end portion 42 (downstream end portion 52). To do. Other configurations are the same as those of the connector 6.

  Fig. 8 shows a connecting tool 6 "used in place of the connecting tool 6. This connecting tool 6" is a modification of the connecting tool 6 ', and the clamping part 61a of the rotating piece 61 is approximately 3/4. It is formed in a circular shape, and the holding part 62a of the rotating piece 62 is formed in a ¼ circular shape.

  9 to 12 show a second embodiment of the present invention. In the gas meter support device 1 ′ of this embodiment, a pair of through holes 23 a and 23 b are formed in the reinforcing plate portion 23. The pair of through-holes are disposed at the same position in the vertical direction, but are spaced apart by a predetermined distance in the front-rear direction. One end portion and the other end portion of the U-bolt 7 serving as a coupling tool are inserted into the through holes 23a and 23b, respectively. The central portion of the U bolt 7 winds the upstream end portion 42 of the primary side connecting pipe 4 over a substantially half circumference. Therefore, when the nuts 19 screwed into the respective end portions of the U bolt 7 are tightened, the upstream end portion 42 is an intermediate portion (first connecting portion) located between the through holes 23a and 23b in the reinforcing plate portion 23. ) It is pressed and fixed to 23c. The intermediate portion 23 c is located not only behind the fixed arm portion 43 but also behind the mounting plate 3.

  Similarly, a pair of through holes 24a and 24b are formed in the reinforcing plate portion 24, and the through holes 24a and 24b are disposed at the same positions in the vertical direction and the front-rear direction as the through holes 23a and 23b, respectively. . Of course, when the primary side and secondary side connection pipes 4 and 5 have different shapes and dimensions, they may be arranged at different positions correspondingly. The downstream end 52 of the secondary connection pipe 5 is pressed and fixed to the intermediate part (second connecting part) 24c of the through holes 24a and 24b by the U bolt 7 and the nut 19 inserted through the through holes 24a and 24b. ing. The intermediate portion 24 c is located behind the fixed arm portion 53 and the placement plate 3.

  Also in this embodiment, when an external force directed downward is applied to the primary side and secondary side connection pipes 4 and 5, the intermediate parts 23c and 24c support a part thereof. And since the intermediate parts 23c and 24c are located behind the fixed arm parts 43 and 53, the downward deformation of the support plate part 2B can be reduced as in the first embodiment.

  FIG. 13 shows a connector 7 ′ used instead of the U bolt 7. The connector 7 ′ is made of a metal plate material, and includes a sandwiching portion 71 having a substantially “U” shape, and flat plate portions 72 and 72 provided at both ends of the sandwiching portion 71. Yes. When the bolt 20 penetrating each flat plate portion 72 and the reinforcing plate portion 23 and a nut (not shown) screwed into the bolt 20 are tightened, the upstream end portion 42 of the primary side connecting pipe is connected to the intermediate portion 23c by the clamping portion 71. Pressed and fixed. Similarly, the downstream end portion 52 of the secondary connection pipe 5 is pressed and fixed to the intermediate portion 24c by the coupler 7 ′.

  FIG. 14 shows a connector 7 ″ used in place of the U-bolt 7. This connector 7 ″ is a modification of the connector 7 ′, and the bolt 20 is inserted through only one flat plate portion 72. FIG. It is like that. Other configurations are the same as those of the connector 7 '.

In addition, this invention is not limited to said embodiment, In the range which does not deviate from the summary, it can change suitably.
For example, in the above-described embodiment, the primary side and secondary side connecting pipes 4 and 5 are supported by the support plate portion 2B via the placement plate 3, but the placement plate 3 is supported by the support plate portion 2B. You may make it support directly on the support plate part 2B by forming integrally.
Moreover, although the primary side and secondary side connection pipes 4 and 5 are formed in an inverted “U” shape, they may be formed in a downward “U” shape or other shapes.
Furthermore, in each of the above-described embodiments, the upstream end 42 of the primary connection pipe 4 and the downstream end 52 of the secondary connection pipe 5 are connected to the first and second connection pieces 25, which serve as a connection. 26 or the intermediate portions 23c and 24c, respectively, but only one of the upstream end 42 and the downstream end 52 may be fixed. Further, the upstream end portion 42 and the downstream end portion 52 may be connected so as not to move at least downward without being fixed to the connecting portions 25, 26; 23c, 24c.

It is a front view which shows 1st Embodiment of this invention. It is a top view of the embodiment. It is a left view of the same embodiment. It is a front view which shows the apparatus main body used in the same embodiment. It is a top view of the apparatus main body. It is sectional drawing which follows the XX line of FIG. It is a perspective view which shows the other example of the coupling tool used in the embodiment. It is a perspective view which shows the further another example of the coupling tool used in the embodiment. It is a front view which shows 2nd Embodiment of this invention. It is a left view of the same embodiment. It is sectional drawing which follows the XX line of FIG. It is a perspective view which shows the apparatus main body used in the same embodiment. It is a perspective view which shows the other example of the coupling tool used in the embodiment. It is a perspective view which shows the further another example of the coupling tool used in the embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Gas meter support apparatus 1 'Gas meter support apparatus 2 Apparatus main body 2B Support plate part 4 Primary side connection pipe 5 Secondary side connection pipe 6 Connection tool 6' Connection tool 6 "Connection tool 7 U bolt (connection tool)
7 'connector 7 "connector 23c middle part (connector)
24c Intermediate part (connecting part)
25 1st connection piece part (connection part)
26 Second connection piece (connection)

Claims (3)

In a gas meter support device comprising a device body having a support plate portion extending substantially horizontally toward the front, and a primary side and a secondary side connection pipe respectively supported by the support plate portion of the device body,
The support plate part is provided with a connecting part to which at least one of the primary side connecting pipe and the secondary side connecting pipe is connected so as not to move downward, and the connecting part is a support part for the one of the support plate parts. A support device for a gas meter, which is arranged further rearward. 2. The gas meter support device according to claim 1, wherein two connecting parts are provided, and the primary side connecting pipe and the secondary side connecting pipe are connected to each of the connecting parts. A coupling tool is detachably attached to each of the two coupling parts, and the primary side connection pipe and the secondary side connection pipe are coupled to each coupling part via a coupling tool, respectively. Item 3. The gas meter support device according to Item 2.

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