JP2762354B2 - Connection method and connection device of water meter - Google Patents
Connection method and connection device of water meterInfo
- Publication number
- JP2762354B2 JP2762354B2 JP29032995A JP29032995A JP2762354B2 JP 2762354 B2 JP2762354 B2 JP 2762354B2 JP 29032995 A JP29032995 A JP 29032995A JP 29032995 A JP29032995 A JP 29032995A JP 2762354 B2 JP2762354 B2 JP 2762354B2
- Authority
- JP
- Japan
- Prior art keywords
- water meter
- connection
- water
- connection plate
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Description
【0001】[0001]
【発明の属する技術分野】本発明は水道管に量水器を接
続するための量水器の接続方法及び接続装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and apparatus for connecting a water meter to a water pipe for connecting the water meter.
【0002】[0002]
【従来の技術】一般に、水道管の中途に接続する量水器
は、定められた検定有効期限の経過によって取替える必
要がある。このため、所定の接続装置を水道管の中途に
接続し、この接続装置に量水器を着脱可能に装着してい
た。2. Description of the Related Art In general, a water meter connected in the middle of a water pipe needs to be replaced after a predetermined test expiration date has passed. For this reason, a predetermined connecting device is connected to the middle of the water pipe, and a water meter is detachably attached to this connecting device.
【0003】従来、この種の接続装置としては、特公平
6−74992号公報で開示される量水器の着脱装置が
知られている。同公報開示の着脱装置は、外面側に水道
管側を接続し、かつ内面側に量水器ユニット部側を接続
する接続口を設けた一対の対向する接続プレート部と、
各接続プレート部を連結して一体化する複数のシャフト
部を有するベース部を備えるとともに、他方、量水器ユ
ニット部には、量水器及びこの量水器に接続した伸長方
向に付勢される伸縮機構部を備え、これにより、量水器
ユニット部を接続プレート部間に着脱可能に構成してい
た。なお、伸縮機構部はシリンダ部を設けた主接続管と
このシリンダ部に挿入するピストン部を設けた補助接続
管を備え、内部にはスプリングを収容して主接続管と補
助接続管を伸長方向に付勢していた。Conventionally, as this type of connecting device, there is known a water meter attaching / detaching device disclosed in Japanese Patent Publication No. 6-79992. The attaching / detaching device disclosed in the publication, a pair of opposed connection plate portions provided with a connection port for connecting a water pipe side to an outer surface side and connecting a water meter unit unit side to an inner surface side,
A water supply unit is provided with a water supply unit and a water supply unit, and a water supply unit is urged in an extending direction connected to the water supply unit, while a base unit having a plurality of shaft parts that connect and integrate the connection plate units is provided. The water dispenser unit is configured to be detachable between the connection plate parts. The telescopic mechanism has a main connecting pipe provided with a cylinder and an auxiliary connecting pipe provided with a piston to be inserted into the cylinder. A spring is housed inside the main connecting pipe and the auxiliary connecting pipe extends in the extending direction. Had been energized.
【0004】また、量水器ユニット部をベース部に装着
する際には、特公平6−74993号公報で開示される
専用の着脱治具を使用していた。これにより、装着時に
は着脱治具の先端で量水器ユニット部を軸方向に挟んで
保持し、かつ伸縮機構部を梃子機能により短縮させると
ともに、この状態で、量水器ユニット部を接続プレート
部間に挿入し、この後、着脱治具の先端を広げて当該着
脱治具を量水器ユニット部から離脱させる。よって、伸
縮機構部は伸長し、量水器ユニット部の両端が各接続プ
レート部の内面に圧接して接続される。Further, when the water meter unit is mounted on the base, a dedicated attachment / detachment jig disclosed in Japanese Patent Publication No. 6-79993 has been used. This allows the water dispenser unit to be sandwiched and held by the tip of the attachment / detachment jig in the axial direction at the time of mounting, and the telescopic mechanism to be shortened by the lever function. In this state, the water dispenser unit is connected to the connection plate. After that, the tip of the attachment / detachment jig is spread to detach the attachment / detachment jig from the water meter unit. Therefore, the expansion / contraction mechanism is extended, and both ends of the water meter unit are pressed against and connected to the inner surfaces of the respective connection plates.
【0005】[0005]
【発明が解決しようとする課題】しかし、上述した従来
の接続装置は、次のような問題点があった。However, the above-mentioned conventional connection device has the following problems.
【0006】第一に、量水器ユニット部をベース部に対
して着脱する際は、梃子機能を有する専用の着脱治具を
必要とするため、着脱治具に関してコストアップを招く
とともに、着脱治具は大型で重くなるため、携帯性及び
保管性に劣る。First, when attaching / detaching the water meter unit unit to / from the base unit, a dedicated attaching / detaching jig having a lever function is required. Since the tool is large and heavy, it is inferior in portability and storage.
【0007】第二に、量水器ユニット部を着脱治具に保
持した状態で着脱を行うため、着脱が容易でなく作業性
に劣るとともに、着脱に時間がかかるなど作業能率の低
下を招く。Secondly, since the mounting / dismounting is carried out while the water meter unit is held by the mounting / dismounting jig, the mounting / removal is not easy and the workability is inferior.
【0008】本発明はこのような従来の技術に存在する
課題を解決したものであり、全体のコストダウンを図れ
るとともに、携帯性及び保管性に優れ、しかも、作業性
及び作業能率の向上を図ることができる量水器の接続方
法及び接続装置の提供を目的とする。The present invention has been made to solve the problems existing in the prior art, and can reduce the cost as a whole, is excellent in portability and storage properties, and improves workability and work efficiency. It is an object of the present invention to provide a connection method and a connection device for a water meter that can be used.
【0009】[0009]
【課題を解決するための手段及び実施の形態】本発明に
係る量水器の接続方法は、水道管Pの中途に接続する一
対の対峙した接続プレート部2a,2b及び各接続プレ
ート部2a,2bを連結する連結部3p,3q,3dを
有するベースユニットUxに対して、量水器M及びこの
量水器Mに接続した伸長方向に付勢される伸縮機構部4
を有する量水器ユニットUyを接続するに際し、量水器
ユニットUyをベースユニットUxに装着する前に、伸
縮機構部4を短縮させ、かつ短縮位置Ssにロックする
とともに、接続プレート部2a,2b間に量水器ユニッ
トUyを配した後、ロックを解除し、伸縮機構部4を伸
長させて接続を行うことを特徴とする。A method of connecting a water meter according to the present invention comprises a pair of opposed connecting plate portions 2a, 2b and each of the connecting plate portions 2a, 2a, 2a, 2b connected to a middle of a water pipe P. A water dispenser M and a telescopic mechanism unit 4 connected to the water dispenser M and urged in an extending direction with respect to a base unit Ux having connecting portions 3p, 3q, and 3d connecting each other.
Before connecting the water meter unit Uy to the base unit Ux when connecting the water meter unit Uy having the following, the telescopic mechanism unit 4 is shortened and locked at the shortened position Ss, and the connection plate units 2a and 2b are connected. After arranging the water meter unit Uy in between, the lock is released, and the extension mechanism 4 is extended to make the connection.
【0010】また、本発明に係る量水器の接続装置1
は、水道管Pの中途に接続する一対の対峙した接続プレ
ート部2a,2b及び各接続プレート部2a,2bを連
結する連結部3p,3q,3dを有するベースユニット
Uxと、量水器M及びこの量水器Mに接続した伸長方向
に付勢される伸縮機構部4を有することにより接続プレ
ート部2aと2b間に着脱する量水器ユニットUyとを
具備するとともに、特に、伸縮機構部4を伸縮操作する
操作機構部5と、伸縮機構部4を短縮させた際に短縮位
置Ssにロックするロック機構部6を備えてなることを
特徴とする。[0010] Further, the connecting device 1 of the water meter according to the present invention.
Is a base unit Ux having a pair of opposed connection plate portions 2a, 2b connected in the middle of the water pipe P and connection portions 3p, 3q, 3d connecting the connection plate portions 2a, 2b, a water meter M, By having the expansion / contraction mechanism unit 4 connected to the water dispenser M and urged in the extension direction, the water dispenser unit Uy is provided between the connection plate parts 2a and 2b and is detachable. And a lock mechanism 6 for locking the telescopic mechanism 4 to the shortened position Ss when the telescopic mechanism 4 is shortened.
【0011】この場合、好適な実施の形態により、伸縮
機構部4は、外シリンダ7と、この外シリンダ7の内部
にスライド自在に挿入した内シリンダ8と、この内シリ
ンダ8の内部に収容して外シリンダ7と内シリンダ8を
伸長方向に付勢するスプリング9を備える。また、操作
機構部5は、外シリンダ7の外周に回動自在に装着し、
かつ中心方向に突出し、係合ピン11,11を有する操
作リング10と、外シリンダ7の周方向に形成し、係合
ピン11…の挿通するスリット部12,12と、内シリ
ンダ8の外周面に形成した係合ピン11…の先端が係合
する螺旋方向に傾斜した凹溝部13,13と、外シリン
ダ7と内シリンダ8の相対移動を軸方向に許容し、かつ
周方向に規制するシリンダガイド部14,14を備え
る。なお、操作リング10の外周面には操作突起部15
を有する。一方、ロック機構部6は凹溝部13…の端部
から周方向に連続形成したロック溝部16…を用いる。In this case, according to a preferred embodiment, the telescopic mechanism 4 includes an outer cylinder 7, an inner cylinder 8 slidably inserted into the outer cylinder 7, and an inner cylinder 8. And a spring 9 for urging the outer cylinder 7 and the inner cylinder 8 in the extending direction. The operating mechanism 5 is rotatably mounted on the outer periphery of the outer cylinder 7,
And an operating ring 10 protruding in the center direction and having engaging pins 11 and 11, slit portions 12 and 12 formed in the circumferential direction of the outer cylinder 7 and through which the engaging pins 11 are inserted, and an outer peripheral surface of the inner cylinder 8. The concave grooves 13, 13 inclined in the helical direction with which the tips of the engaging pins 11 formed on the outer cylinder 7 are engaged, and the cylinder that permits the relative movement of the outer cylinder 7 and the inner cylinder 8 in the axial direction and restricts it in the circumferential direction. Guide portions 14 are provided. The operation projection 15 is provided on the outer peripheral surface of the operation ring 10.
Having. On the other hand, the lock mechanism 6 uses lock grooves 16 formed continuously from the ends of the concave grooves 13 in the circumferential direction.
【0012】これにより、操作機構部5を操作、即ち、
操作突起部15を利用して操作リング10を周方向に回
せば、一体に変位する係合ピン11…はスリット部12
…及び凹溝部13…に沿って移動する。この際、スリッ
ト部12…は周方向に形成されるため、外シリンダ7は
軸方向(伸縮方向)へは移動しないが、凹溝部13…は
螺旋方向に傾斜するため、内シリンダ8は軸方向に相対
移動する。よって、量水器ユニットUyを装着する前
に、操作機構部5を操作して伸縮機構部4を短縮させる
ことができる。この場合、短縮させる操作力は凹溝部1
3…の傾斜度合に応じて低減される。また、短縮時には
ロック機構部6により短縮位置Ssにロックする。即
ち、操作リング10を回し切り、係合ピン11…を凹溝
部13…の端部から周方向に形成したロック溝部16…
に係止させれば、係合ピン11…は軸方向への相対移動
が規制され、短縮位置Ssにロックされる。Thus, the operating mechanism 5 is operated, that is,
When the operation ring 10 is rotated in the circumferential direction by using the operation protrusion 15, the engagement pins 11 which are integrally displaced become slit portions 12.
.. And the concave grooves 13. At this time, since the slits 12 are formed in the circumferential direction, the outer cylinder 7 does not move in the axial direction (extension and contraction direction), but the concave grooves 13. Move relative to. Therefore, before attaching the water meter unit Uy, the operating mechanism 5 can be operated to shorten the telescopic mechanism 4. In this case, the operating force to be shortened is the concave groove 1
3 are reduced according to the degree of inclination. In addition, at the time of shortening, the lock mechanism 6 locks to the shortened position Ss. That is, the operation ring 10 is fully turned, and the lock pins 16 are formed by forming the engagement pins 11 in the circumferential direction from the ends of the concave grooves 13.
, The relative movement of the engaging pins 11 in the axial direction is restricted, and the engaging pins 11 are locked at the shortened position Ss.
【0013】そして、この状態で、量水器ユニットUy
を、ベースユニットUxにおける一対の対峙した接続プ
レート部2aと2b間に配し、ロック溝部16…のロッ
クを解除、即ち、操作リング10を反対方向に回せば、
係合ピン11…はロック溝部16…から外れて、ロック
が解除されるとともに、さらに、操作リング10を回せ
ば、伸縮機構部4は伸長し、量水器ユニットUyの両端
は各接続プレート部2a,2bの内面に圧接して接続さ
れる。Then, in this state, the water meter unit Uy
Is disposed between the pair of opposed connection plate portions 2a and 2b in the base unit Ux, and the lock of the lock grooves 16 is released, that is, by turning the operation ring 10 in the opposite direction,
The engaging pins 11 are disengaged from the lock grooves 16 to be unlocked, and when the operating ring 10 is further turned, the telescopic mechanism 4 is extended, and both ends of the water meter unit Uy are connected to each connection plate. The inner surfaces of 2a and 2b are pressed and connected.
【0014】[0014]
【実施例】次に、本発明に係る最適な実施例を挙げ、図
面に基づき詳細に説明する。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a preferred embodiment of the present invention.
【0015】まず、本実施例に係る接続装置1の構成に
ついて、図1〜図6を参照して説明する。First, the configuration of the connection device 1 according to the present embodiment will be described with reference to FIGS.
【0016】接続装置1は大別してベースユニットUx
と量水器ユニットUyからなる。The connecting device 1 is roughly divided into a base unit Ux
And a water meter unit Uy.
【0017】ベースユニットUxは、一対の対峙する接
続プレート部2a,2bと、各接続プレート部2aと2
bを連結する連結部3p,3q,3dにより構成する。The base unit Ux includes a pair of opposed connection plate portions 2a and 2b, and each of the connection plate portions 2a and 2b.
It is composed of connecting portions 3p, 3q, and 3d that connect b.
【0018】接続プレート部2aは板状とし、この接続
プレート部2aの上部に接続ブロック20aを螺着す
る。接続ブロック20aは接続プレート部2aにおける
プレート面の外側から突出して上流側水道管Pa(図8
参照)側を接続する水道管接続部21aと、プレート面
の内側に臨んで量水器ユニットUyの端部を接続する接
続端面部22aとを有する。さらに、水道管接続部21
aと接続端面部22a間には貫通する水路Jaを設ける
とともに、プレート面の上部左右位置及び下部中央位置
には計三つのネジ挿入孔23a…を設ける。なお、接続
プレート部2aの下端には、足部を設けて任意の場所に
設置できるようにする。The connection plate 2a is formed in a plate shape, and a connection block 20a is screwed on the connection plate 2a. The connection block 20a protrudes from the outside of the plate surface of the connection plate portion 2a, and is connected to the upstream water pipe Pa (FIG. 8).
(See FIG. 2), and a connection end face 22a for connecting the end of the water meter unit Uy facing the inside of the plate surface. Furthermore, the water pipe connection part 21
a and a connection end face portion 22a, a water passage Ja is provided, and a total of three screw insertion holes 23a are provided at the upper left and right positions and the lower center position of the plate surface. Note that a foot portion is provided at the lower end of the connection plate portion 2a so that the connection plate portion 2a can be installed at an arbitrary location.
【0019】また、接続プレート部2bも基本的には接
続プレート部2aと同様に形成するが、上記ネジ挿入孔
23a…の代わりにネジ孔23b…を設けた点が異な
る。なお、接続プレート部2bにおいて、20bは接続
ブロック,21bは下流側水道管Pb(図8参照)側を
接続する水道管接続部,22bは接続端面部,Jbは水
路を示す。The connection plate 2b is basically formed in the same manner as the connection plate 2a, except that screw holes 23b are provided instead of the screw insertion holes 23a. In the connection plate portion 2b, reference numeral 20b denotes a connection block, reference numeral 21b denotes a water pipe connection portion connecting the downstream water pipe Pb (see FIG. 8), reference numeral 22b denotes a connection end face portion, and reference symbol Jb denotes a water channel.
【0020】さらにまた、連結部3p,3q,3dはそ
れぞれ一本の丸棒体により形成し、一端にはネジ部24
n…を設けるとともに、他端にはネジ孔24h…を設け
る。これにより、一端のネジ部24n…をそれぞれ接続
プレート部2bのネジ孔23b…に螺着して結合すると
ともに、他端のネジ孔24h…を接続プレート部2aの
ネジ挿入孔23a…に挿入した固定ネジ25n…により
接続プレート部2aに結合すれば、対峙する一対の接続
プレート部2a,2bが連結部3p,3q,3dにより
一体に連結されたベースユニットUxが構成される。な
お、26は左右の連結部3pと3q間に架け渡した規制
部材であり、量水器Mの下方に位置することによって、
量水器Mに対する下方への位置規制と角度(回動)規制
を行う。また、27,28は量水器ユニットUyを受け
て位置決めする位置決め部材である。Further, each of the connecting portions 3p, 3q, 3d is formed by a single round bar, and one end is provided with a screw portion 24.
are provided, and screw holes 24h are provided at the other end. Thereby, the screw portions 24n at one end are screwed and connected to the screw holes 23b of the connection plate portion 2b, and the screw holes 24h at the other end are inserted into the screw insertion holes 23a of the connection plate portion 2a. When connected to the connection plate portion 2a by the fixing screws 25n, a base unit Ux is formed in which a pair of opposed connection plate portions 2a, 2b are integrally connected by the connection portions 3p, 3q, 3d. In addition, 26 is a regulating member bridged between the left and right connecting portions 3p and 3q, and is located below the water meter M,
The downward position restriction and the angle (rotation) restriction on the water meter M are performed. Reference numerals 27 and 28 denote positioning members that receive and position the water meter unit Uy.
【0021】他方、量水器ユニットUyは、操作機構部
5及びロック機構部6を有する伸縮機構部4と、アタッ
チメント29を備え、伸縮機構部4は量水器Mの流入側
接続口に接続するとともに、アタッチメント29は量水
器Mの流出側接続口に接続する。On the other hand, the water meter unit Uy includes an expansion mechanism 4 having an operation mechanism 5 and a lock mechanism 6, and an attachment 29. The expansion mechanism 4 is connected to the inflow side connection port of the water meter M. At the same time, the attachment 29 is connected to the outlet port of the water meter M.
【0022】伸縮機構部4は、外シリンダ7と、この外
シリンダ7の内部にスライド自在に挿入した内シリンダ
8と、この内シリンダ8の内部に収容して外シリンダ7
と内シリンダ8を伸長方向に付勢するスプリング9を備
える。そして、内シリンダ8は量水器Mの流入側接続口
に接続するとともに、外シリンダ7の外端面は接続プレ
ート部2aにおける接続端面部22aに圧接可能に構成
する。なお、外シリンダ7の外端面には、接続プレート
部2aの水路Jaに挿入して係合するテーパ面を有する
突起部が設けられている。The extension mechanism 4 includes an outer cylinder 7, an inner cylinder 8 slidably inserted into the outer cylinder 7, and an outer cylinder 7 housed inside the inner cylinder 8.
And a spring 9 for urging the inner cylinder 8 in the extension direction. The inner cylinder 8 is connected to the inflow-side connection port of the water meter M, and the outer end surface of the outer cylinder 7 is configured to be able to be pressed against the connection end surface portion 22a of the connection plate portion 2a. The outer end surface of the outer cylinder 7 is provided with a projection having a tapered surface that is inserted into and engaged with the water passage Ja of the connection plate portion 2a.
【0023】また、5は操作機構部であり、外シリンダ
7の外周に回動自在に装着し、かつ中心方向に突出し、
かつ係合ピン11,11を有する操作リング10と、外
シリンダ7の周方向に形成し、かつ係合ピン11…の挿
通するスリット部12,12と、内シリンダ8の外周面
に形成した係合ピン11…の先端が係合する螺旋方向に
傾斜した凹溝部13,13と、外シリンダ7と内シリン
ダ8の相対移動を軸方向に許容し、かつ周方向に規制す
るシリンダガイド部14…を備える。この場合、シリン
ダガイド部14…は、図1及び図4に示すように、内シ
リンダ8の外周面に突設したガイドピン30…と、外シ
リンダ7に形成した軸方向に平行のガイドスリット部3
1…により構成する。なお、操作リング10の外周面に
は操作突起部15を一体に設ける。また、係合ピン11
…,スリット部12…及び凹溝部13…は、周方向にお
ける180°対向位置に一対配する。そして、係合ピン
11…の周方向への回し角度Qは、図4に示すように、
略90°の角度範囲に設定するとともに、軸方向には伸
縮ストロークに相当する長さを設定する。これにより、
操作突起部15を利用して操作リング10を周方向に回
せば、一体に変位する係合ピン11…はスリット部12
…及び凹溝部13…に沿って移動する。この際、スリッ
ト部12…は周方向に形成されるため、外シリンダ7は
軸方向(伸縮方向)へは移動しないが、凹溝部13…は
螺旋方向に傾斜するため、内シリンダ8は軸方向に相対
移動する。An operation mechanism 5 is rotatably mounted on the outer periphery of the outer cylinder 7 and protrudes toward the center.
An operating ring 10 having engaging pins 11, 11 and slits 12, 12 formed in the circumferential direction of the outer cylinder 7 and through which the engaging pins 11 are inserted, and an engaging ring formed on the outer peripheral surface of the inner cylinder 8. The concave grooves 13, 13 inclined in the helical direction with which the tips of the mating pins 11 engage, and the cylinder guides 14, which allow the relative movement of the outer cylinder 7 and the inner cylinder 8 in the axial direction and regulate the circumferential movement. Is provided. In this case, as shown in FIGS. 1 and 4, the cylinder guide portions 14 are formed with guide pins 30 projecting from the outer peripheral surface of the inner cylinder 8 and guide slit portions formed on the outer cylinder 7 and parallel to the axial direction. 3
1... The operation protrusion 15 is provided integrally on the outer peripheral surface of the operation ring 10. In addition, the engagement pin 11
, The slit portions 12 and the concave groove portions 13 are arranged in a pair at 180 ° facing positions in the circumferential direction. The turning angle Q of the engaging pins 11 in the circumferential direction is, as shown in FIG.
An angle range of approximately 90 ° is set, and a length corresponding to an expansion / contraction stroke is set in the axial direction. This allows
When the operation ring 10 is rotated in the circumferential direction by using the operation protrusion 15, the engagement pins 11 which are integrally displaced become slit portions 12.
.. And the concave grooves 13. At this time, since the slits 12 are formed in the circumferential direction, the outer cylinder 7 does not move in the axial direction (extension and contraction direction), but the concave grooves 13. Move relative to.
【0024】一方、ロック機構部6は図2に示すよう
に、凹溝部13…の端部から周方向に連続形成したロッ
ク溝部16…を用いる。On the other hand, as shown in FIG. 2, the lock mechanism 6 uses lock grooves 16 formed continuously from the ends of the concave grooves 13 in the circumferential direction.
【0025】他方、アタッチメント29は筒状に形成
し、一端は量水器Mの流出側接続口に接続するととも
に、他端は接続プレート部2bにおける接続端面部22
bに圧接可能に構成する。なお、アタッチメント29の
他端には、接続プレート部2bの水路Jbに挿入して係
合するテーパ面を有する突起部が設けられている。ま
た、R…はOリングパッキンをそれぞれ示す。On the other hand, the attachment 29 is formed in a cylindrical shape, and one end is connected to the outflow-side connection port of the water meter M, and the other end is connected to the connection end face portion 22 of the connection plate portion 2b.
b. The other end of the attachment 29 is provided with a projection having a tapered surface that is inserted into and engaged with the water channel Jb of the connection plate portion 2b. In addition, R indicates an O-ring packing.
【0026】次に、本実施例に係る接続装置1を用いた
量水器の接続方法について、図1〜図8を参照して説明
する。Next, a method of connecting a water meter using the connecting device 1 according to the present embodiment will be described with reference to FIGS.
【0027】図8中、61はメータボックスであり、地
中に埋設される。一方、メータボックス61の設置面E
には接続装置1を載置する。そして、接続装置1におけ
る接続プレート部2aの水道管接続部21aには止水栓
62を介して水道管Pの上流側水道管Paを接続すると
ともに、接続プレート部2bの水道管接続部21bには
逆止弁63を介して水道管Pの下流側水道管Pbを接続
する。In FIG. 8, reference numeral 61 denotes a meter box, which is buried underground. On the other hand, the installation surface E of the meter box 61
, The connection device 1 is placed. Then, the upstream water pipe Pa of the water pipe P is connected to the water pipe connection section 21a of the connection plate section 2a of the connection device 1 via the water stopcock 62, and to the water pipe connection section 21b of the connection plate section 2b. Connects the water pipe Pb on the downstream side of the water pipe P via the check valve 63.
【0028】一方、接続装置1に量水器M(量水器ユニ
ットUy)を装着する場合には、まず、装着する前に、
操作機構部5を操作して伸縮機構部4を短縮させる。即
ち、図7に示すように、グリップG付きのパイプ状の工
具Hの先端を操作突起部15に嵌合させて、操作リング
10を短縮させる周方向に回す。なお、操作突起部15
の長さ如何によっては必ずしも工具Hを必要とするもの
ではない。On the other hand, when the water meter M (water meter unit Uy) is mounted on the connecting device 1, first, before mounting,
By operating the operating mechanism 5, the telescopic mechanism 4 is shortened. That is, as shown in FIG. 7, the tip of a pipe-shaped tool H with a grip G is fitted to the operation projection 15 and the operation ring 10 is turned in the circumferential direction to shorten it. The operation protrusion 15
Does not always require the tool H depending on the length of the tool H.
【0029】これにより、係合ピン11…はスリット部
12…及び凹溝部13…に沿って移動し、内シリンダ8
は外シリンダ7に対して軸方向に相対移動し、伸縮機構
部4は短縮する。この場合、短縮させる操作力は凹溝部
13…の傾斜度合に応じて低減される。また、操作リン
グ10を回し切れば、係合ピン11…は凹溝部13…の
端部から周方向に形成したロック溝部16…に係止し、
係合ピン11…は軸方向に移動が規制され、短縮位置S
sにロックされる。この状態を図5及び図6に実線で示
す。As a result, the engaging pins 11 move along the slits 12 and the concave grooves 13 so that the inner cylinder 8 moves.
Moves relative to the outer cylinder 7 in the axial direction, and the telescopic mechanism 4 is shortened. In this case, the operation force to be shortened is reduced according to the degree of inclination of the concave grooves 13. When the operation ring 10 is fully turned, the engagement pins 11 are locked from the ends of the concave grooves 13 in the lock grooves 16 formed in the circumferential direction,
The engagement pins 11 are restricted from moving in the axial direction, and
Locked to s. This state is shown by a solid line in FIGS.
【0030】そして、この状態で、量水器ユニットUy
を、ベースユニットUxにおける一対の対峙した接続プ
レート部2aと2b間に配し、ロック溝部16…のロッ
クを解除、即ち、操作リング10を反対方向に回せば、
係合ピン11…はロック溝部16…から外れて、ロック
が解除されるとともに、さらに、操作リング10を回せ
ば、伸縮機構部4は伸長し、量水器ユニットUyの両端
は各接続プレート部2a,2bの接続端面部22a,2
2bに圧接して接続される。この状態を図1及び図2に
示す。Then, in this state, the water meter unit Uy
Is disposed between the pair of opposed connection plate portions 2a and 2b in the base unit Ux, and the lock of the lock grooves 16 is released, that is, by turning the operation ring 10 in the opposite direction,
The engaging pins 11 are disengaged from the lock grooves 16 to be unlocked, and when the operating ring 10 is further turned, the telescopic mechanism 4 is extended, and both ends of the water meter unit Uy are connected to each connection plate. 2a, 2b connection end faces 22a, 2
2b is pressed and connected. This state is shown in FIGS.
【0031】よって、量水器ユニットUyをベースユニ
ットUxにワンタッチで装着でき、量水器Mは水道管P
の中途に接続される。このように、本実施例に係る接続
装置1は、装着時の治具が不要或いは極めて単純かつ小
型の工具で足りるため、全体の大幅なコストダウンを図
れるとともに、接続装置及び工具を含む全体の携帯性及
び保管性に優れる。しかも、量水器ユニットUyを手で
持って装着できるため、作業性及び作業能率の向上を図
れる。Therefore, the water meter unit Uy can be attached to the base unit Ux with one touch, and the water meter M is connected to the water pipe P.
Is connected on the way. As described above, since the connecting device 1 according to the present embodiment does not require a jig at the time of mounting or requires only a very simple and small tool, the overall cost can be significantly reduced, and the entire device including the connecting device and the tool can be reduced. Excellent portability and storage. Moreover, since the water meter unit Uy can be mounted by hand, the workability and work efficiency can be improved.
【0032】以上、実施例について詳細に説明したが、
本発明はこのような実施例に限定されるものではない。
例えば、伸縮機構部,操作機構部及びロック機構部は例
示以外の構成を採用することができる。その他、細部の
構成、形状、素材、数量等において、本発明の精神を逸
脱しない範囲で任意に変更できる。The embodiment has been described in detail above.
The present invention is not limited to such an embodiment.
For example, the extension mechanism, the operation mechanism, and the lock mechanism may employ configurations other than those illustrated. In addition, details, configurations, shapes, materials, quantities, and the like can be arbitrarily changed without departing from the spirit of the present invention.
【0033】[0033]
【発明の効果】このように、本発明に係る量水器の接続
方法及び接続装置は、量水器ユニットをベースユニット
に装着する前に、操作機構部により伸縮機構部を短縮さ
せ、かつロック機構部により短縮位置にロックするとと
もに、接続プレート部間に量水器ユニットを配した後、
ロックを解除し、伸縮機構部を伸長させて接続を行うよ
うにしたため、次のような顕著な効果を奏する。As described above, according to the method and the apparatus for connecting a water meter according to the present invention, the telescopic mechanism can be shortened by the operating mechanism before the water meter unit is mounted on the base unit, and the lock can be locked. After locking to the shortened position by the mechanism and arranging the water meter unit between the connection plates,
Since the connection is released by releasing the lock and extending the telescopic mechanism, the following remarkable effects are obtained.
【0034】 着脱時の治具が不要或いは極めて単純
かつ小型の工具で足りるため、全体の大幅なコストダウ
ンを図れ、しかも、接続装置及び工具を含む全体の携帯
性及び保管性を高めることができる。Since a jig for attachment / detachment is not required or an extremely simple and small tool is sufficient, the overall cost can be significantly reduced, and the entire portability and storage property including the connection device and the tool can be improved. .
【0035】 量水器ユニットを手で持って装着でき
るため、作業性及び作業能率の大幅な向上を図ることが
できる。Since the water meter unit can be mounted by hand, the workability and work efficiency can be greatly improved.
【図1】本発明に係る接続装置の断面正面図、FIG. 1 is a cross-sectional front view of a connection device according to the present invention,
【図2】同接続装置の一部断面平面図、FIG. 2 is a partial cross-sectional plan view of the connection device;
【図3】同接続装置の右側面図、FIG. 3 is a right side view of the connection device;
【図4】図2中A−A線端面図、FIG. 4 is an end view taken along the line AA in FIG. 2;
【図5】同接続装置の伸縮機構部を短縮位置にロックし
た状態の一部断面平面図、FIG. 5 is a partial cross-sectional plan view showing a state where the expansion and contraction mechanism of the connection device is locked at a shortened position;
【図6】同接続装置の伸縮機構部を短縮位置にロックし
た状態の断面正面図、FIG. 6 is a cross-sectional front view of the connection device in a state in which a telescopic mechanism is locked at a shortened position.
【図7】同接続装置の操作方法の説明図、FIG. 7 is an explanatory diagram of an operation method of the connection device,
【図8】同接続装置をメータボックスに設置した状態の
一部断面正面図、FIG. 8 is a partial cross-sectional front view showing a state where the connection device is installed in a meter box;
1 接続装置 2a 接続プレート部 2b 接続プレート部 3p… 連結部 4 伸縮機構部 5 操作機構部 6 ロック機構部 7 外シリンダ 8 内シリンダ 9 スプリング 10 操作リング 11… 係合ピン 12… スリット部 13… 凹溝部 14… シリンダガイド部 15 操作突起部 16… ロック溝部 P 水道管 Ux ベースユニット Uy 量水器ユニット M 量水器 Ss 短縮位置 DESCRIPTION OF SYMBOLS 1 Connection device 2a Connection plate part 2b Connection plate part 3p ... Connection part 4 Expansion / contraction mechanism part 5 Operation mechanism part 6 Lock mechanism part 7 Outer cylinder 8 Inner cylinder 9 Spring 10 Operation ring 11 ... Engagement pin 12 ... Slit part 13 ... Concave Groove 14 ... Cylinder guide 15 Operation protrusion 16 ... Lock groove P Water pipe Ux Base unit Uy Water meter unit M Water meter Ss Shortened position
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6,DB名) G01F 15/18 E03B 7/07──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. 6 , DB name) G01F 15/18 E03B 7/07
Claims (6)
接続プレート部及び各接続プレート部を連結する連結部
を有するベースユニットに対して、量水器及びこの量水
器に接続した伸長方向に付勢される伸縮機構部を有する
量水器ユニットを接続するに際し、前記量水器ユニット
を前記ベースユニットに装着する前に、前記伸縮機構部
を短縮させ、かつ短縮位置にロックするとともに、前記
接続プレート部間に前記量水器ユニットを配した後、前
記ロックを解除し、前記伸縮機構部を伸長させて接続を
行うことを特徴とする量水器の接続方法。1. A water meter and an extending direction connected to the water meter with respect to a base unit having a pair of opposed connection plate portions connected in the middle of a water pipe and a connection portion connecting the connection plate portions. When connecting the water meter unit having the telescopic mechanism part biased to, before mounting the water meter unit to the base unit, shorten the telescopic mechanism part, and lock in the shortened position, A method of connecting a water meter, comprising: disposing the water meter unit between the connection plate portions, releasing the lock, and extending the extension mechanism portion for connection.
接続プレート部及び各接続プレート部を連結する連結部
を有するベースユニットと、量水器及びこの量水器に接
続した伸長方向に付勢される伸縮機構部を有することに
より前記接続プレート部間に着脱する量水器ユニットと
を具備する量水器の接続装置において、前記伸縮機構部
を伸縮操作する操作機構部と、前記伸縮機構部を短縮さ
せた際に短縮位置にロックするロック機構部を備えてな
ることを特徴とする量水器の接続装置。2. A base unit having a pair of opposed connection plate portions connected in the middle of a water pipe and a connection portion connecting the connection plate portions, a water meter and an extension direction connected to the water device. A connection device for a water dispenser, comprising: a water dispenser unit detachably mounted between the connection plate portions by having an energized expansion / contraction mechanism, wherein an operation mechanism for extending / contracting the expansion / contraction mechanism; A connection device for a water dispenser, comprising a lock mechanism for locking a portion at a shortened position when the portion is shortened.
外シリンダの内部にスライド自在に挿入した内シリンダ
と、この内シリンダの内部に収容して前記外シリンダと
前記内シリンダを伸長方向に付勢するスプリングを備え
ることを特徴とする請求項2記載の量水器の接続装置。3. The extension mechanism includes an outer cylinder, an inner cylinder slidably inserted into the outer cylinder, and an inner cylinder housed in the inner cylinder to extend the outer cylinder and the inner cylinder in an extending direction. The connecting device for a water meter according to claim 2, further comprising a biasing spring.
周に回動自在に装着し、かつ中心方向に突出した係合ピ
ンを有する操作リングと、前記外シリンダの周方向に形
成し、かつ前記係合ピンの挿通するスリット部と、前記
内シリンダの外周面に形成し、かつ前記係合ピンの先端
が係合する螺旋方向に傾斜した凹溝部と、前記外シリン
ダと前記内シリンダの相対移動を軸方向に許容し、かつ
周方向に規制するシリンダガイド部を備えることを特徴
とする請求項2記載の量水器の接続装置。4. The operating mechanism portion is rotatably mounted on the outer periphery of the outer cylinder and has an operating ring having an engaging pin projecting in a center direction, and is formed in a circumferential direction of the outer cylinder; A slit portion into which the engagement pin is inserted, a concave groove portion formed on the outer peripheral surface of the inner cylinder and inclined in a helical direction in which a tip of the engagement pin is engaged, and a relative position between the outer cylinder and the inner cylinder. The connection device for a water meter according to claim 2, further comprising a cylinder guide portion that permits movement in an axial direction and regulates the movement in a circumferential direction.
を有することを特徴とする請求項4記載の量水器の接続
装置。5. The connection device for a water meter according to claim 4, wherein an operation projection is provided on an outer peripheral surface of the operation ring.
ら周方向に連続形成したロック溝部を用いることを特徴
とする請求項2記載の量水器の接続装置。6. The connection device for a water meter according to claim 2, wherein the lock mechanism uses a lock groove continuously formed in a circumferential direction from an end of the concave groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29032995A JP2762354B2 (en) | 1995-10-12 | 1995-10-12 | Connection method and connection device of water meter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29032995A JP2762354B2 (en) | 1995-10-12 | 1995-10-12 | Connection method and connection device of water meter |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH09105658A JPH09105658A (en) | 1997-04-22 |
JP2762354B2 true JP2762354B2 (en) | 1998-06-04 |
Family
ID=17754669
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP29032995A Expired - Fee Related JP2762354B2 (en) | 1995-10-12 | 1995-10-12 | Connection method and connection device of water meter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2762354B2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4806326B2 (en) * | 2006-10-13 | 2011-11-02 | 株式会社タブチ | Pressure welding joint for water meter |
JP4960207B2 (en) * | 2007-12-04 | 2012-06-27 | 株式会社キッツ | Mounting method of meter unit with built-in meter box and structure of the meter unit |
JP6184008B2 (en) * | 2013-10-11 | 2017-08-23 | 株式会社キッツ | Meter unit |
-
1995
- 1995-10-12 JP JP29032995A patent/JP2762354B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH09105658A (en) | 1997-04-22 |
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