CN2872317Y

CN2872317Y - Plastic water-gauge casing

Info

Publication number: CN2872317Y
Application number: CN 200620080997
Authority: CN
Inventors: 崔建光
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-02-15
Filing date: 2006-02-15
Publication date: 2007-02-21
Anticipated expiration: 2016-02-15

Abstract

The utility model discloses a plastic water meter case, which comprises an inner chamber for holding master meter components, and water inlet and outlet communicated with the inner chamber. Said water inlet is a pipe having smooth external surface. Said water outlet is pipe having smooth external surface. The water inlet can be easily connected with the built-in connector of slipknot of universal PP-R ball valve or PVE ball valve by means of hot melting or glue adhesion, so as to avoid the use of copper fitting and copper tube with external threads, thereby saving cost and facilitating assembly. The water outlet can also be easily connected with the pipe components of slipknot of universal PP-R pipe or PVE pipe by means of hot melting or glue adhesion, so as to avoid the use of copper fitting and copper tube with external threads, thereby further reducing cost. The utility model has simple structure and is easily connected with PP-R pipes or PVE pipes.

Description

A kind of plastic water meter case

Technical field

The utility model relates to a kind of water meter case.

Background technology

Existing tap water watch shell, generally be to make by iron casting, its structure comprises inner chamber that is used to install the master meter assembly and water inlet interface, the water outlet interface that is communicated with inner chamber, existing tap water watch shell, no matter be to make by which kind of material, the spout part of its water inlet interface, water outlet interface all has external thread, connects one section by the work in copper knot and have externally threaded copper pipe on this external thread section, is connected with existing metallic water pipe with convenient.But the water pipe in the now newly-built building, all adopt PP-R pipe or pvc pipe, hot melting way is adopted in connection between the PP-R pipe, and adhesive means is adopted in the connection between pvc pipe, therefore existing tap water watch shell will be connected on PP-R pipe or the pvc pipe, just installation one special-purpose connecting tube on the externally threaded copper pipe must had, and now general PP-R ball valve and PVC ball valve all have the connecting tube (slip-knot) that is connected with PP-R pipe or pvc pipe, therefore, the water inlet interface at existing tap water watch shell two ends, work in copper on the water outlet interface and to have externally threaded copper pipe be exactly unnecessary, it uses had both increased cost, trouble is installed, and can causes the duct ligation connecting portion to leak.

Summary of the invention

The technical problems to be solved in the utility model provides a kind of plastic water meter case that is connected with PP-R pipe or pvc pipe simple in structure, convenient.

For solving the problems of the technologies described above, the utility model comprises and is used to install the inner chamber of master meter assembly and water inlet interface, the water outlet interface that is communicated with inner chamber that its design feature is that described water inlet interface is the body with smooth outer surface.

As to improvement of the present utility model, described water outlet interface is the body with smooth outer surface.

After adopting said structure, because the water inlet Interface design that will be communicated with the water meter case inner chamber is the body with smooth outer surface, this body can be easily with the slip-knot of general PP-R ball valve or PVC ball valve on the connecting tube that carries link together by hot melting way or adhesive means, save original work in copper and had externally threaded copper pipe, save cost, easy for installation; And the water outlet Interface design that will be communicated with the water meter case inner chamber is the body with smooth outer surface, this body can be easily links together by hot melting way or adhesive means with general PP-R pipe or the pipe assembly on the pvc pipe slip-knot, saved original work in copper equally and had externally threaded copper pipe, cost further reduces.And its one-piece construction is simple, is easy to install and use.Simultaneously, surface of shell is bright and clean, non-scaling, not corrosion, therefore can keep water sanitation and hygiene, be of value to health of people and current are unimpeded.

Description of drawings

Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail:

Fig. 1 is the syndeton synoptic diagram of existing water meter case;

Fig. 2 is the syndeton synoptic diagram of the utility model water meter case.

Embodiment

Water meter case shown in Figure 1, syndeton for the water meter case of existing ironcasting, it has inner chamber 2 that the master meter assembly is installed and the water inlet interface 1 that is communicated with inner chamber 2, water outlet interface 3, water inlet interface 1, inner chamber 2 and water outlet interface 3 are ironcasting, water inlet interface 1, the spout part of water outlet interface 3 all has external thread, on this external thread section, connect one section and have externally threaded copper pipe 5 by work in copper knot 4, on the copper pipe 5 of water inlet interface 1 one ends, be connected to ball valve, on the copper pipe 5 of water outlet interface 3 one ends, be connected on the water supply pipe by another slip-knot 6 by another slip-knot 6.

Water meter case shown in Figure 2, for plastic water meter case of the present utility model and be connected to ball valve on the water interface into, the syndeton of slip-knot assembly on the water outlet interface, it has inner chamber 2 that the master meter assembly is installed and water inlet interface 1, the water outlet interface 3 that is communicated with inner chamber 2, water inlet interface 1, inner chamber 2 and water outlet interface 3 are one-time formed moulding, water inlet interface 1 and the body of water outlet interface 3 for having smooth outer surface, the interface 1 of can certainly only will intaking is processed as the body with smooth outer surface, and water outlet interface 3 is for having externally threaded body.Because the body that the water inlet interface 1 that will be communicated with the water meter case inner chamber is designed to have smooth outer surface, this body can be easily with the slip-knot 8 of general PP-R or PVC ball valve 7 on the connecting tube 9 that carries link together by hot melting way or adhesive means, connecting tube 9 is connected on the ball valve 7 by slip-knot 8, save original work in copper 4 and had externally threaded copper pipe 5, save cost, easy for installation; And the body that the water outlet interface 3 that will be communicated with the water meter case inner chamber is designed to have smooth outer surface, this body can be easily links together by hot melting way or adhesive means with general PP-R pipe or the preceding pipe assembly 10 on the pvc pipe slip-knot 11, save original work in copper equally and had externally threaded copper pipe, cost further reduces, and the back pipe assembly 12 on the ball valve 7 on the connecting tube 9 of the other end and the slip-knot 11 then links together by pipe of the PP-R on hot melting way or adhesive means and the water supply pipe or pvc pipe.When needs dismounting or replacing water meter, open slip-knot 8 and pipe slip-knot 11 on the ball valve 7, water meter case together can be pulled down together with the connecting tube 9 and the preceding pipe assembly 10 that are connected on its water inlet interface 1, the water outlet interface 3, very convenient, and plastic water meter case any surface finish, non-scaling, not corrosion, therefore can keep water sanitation and hygiene, be of value to health of people and current are unimpeded.

In addition, water meter case on the large diameter pipeline, all be on water inlet interface, water outlet interface, to be respectively equipped with ring flange in the past, be connected on the metallic conduit by ring flange, when water supply line changes plastic tube into, it is just very inconvenient to use ring flange that butt joint is installed, so the also body for having smooth outer surface of the water inlet interface of the water meter case on the large diameter pipeline and water outlet interface, is connected on the plastic water supply pipe road by special plastic rapid abutting joint slip-knot; Certainly, this plastic water meter case can be by hot melting way or adhesive means at water inlet interface and water outlet mouth piece oral area mounting flange, to be connected with existing metallic conduit.Also have, general vertical water meter housing, its water inlet interface and water outlet interface are at the homonymy of water meter case, and water inlet interface and water outlet interface is the body for having smooth outer surface also.The water meter case of above-mentioned these structures all drops on protection domain of the present utility model.

Claims

1, a kind of plastic water meter case comprises inner chamber (2) that is used to install the master meter assembly and water inlet interface (1), the water outlet interface (3) that is communicated with inner chamber (2), it is characterized in that the body of described water inlet interface (1) for having smooth outer surface.

2, plastic water meter case according to claim 1 is characterized in that the body of described water outlet interface (3) for having smooth outer surface.