CN216559175U

CN216559175U - Water meter shell

Info

Publication number: CN216559175U
Application number: CN202123194127.6U
Authority: CN
Inventors: 张国样
Original assignee: Yingtan Daopu Intelligent Technology Co ltd
Current assignee: Yingtan Daopu Intelligent Technology Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-05-17
Anticipated expiration: 2031-12-16

Abstract

The utility model provides a water meter shell, which comprises a meter body, wherein a meter cavity is arranged in the meter body, the outer side wall of the meter body is connected with a water outlet pipe, the meter body is provided with a water outlet for communicating the meter cavity with the water outlet pipe, a ball valve is also arranged in the water outlet pipe, an elastic guide device is sleeved between the water outlet and the ball valve in the water outlet pipe, and a guide inclined plane descending from the water outlet to the ball valve is arranged in the guide device. The water meter shell provided by the utility model has the function of reducing pressure loss.

Description

Water meter shell

Technical Field

The utility model relates to the technical field of water meters, in particular to a meter shell of a water meter.

Background

The water meter is a measuring device for monitoring the water consumption of a user, the current household water meter sold in the market is mainly a multi-stream horizontal rotary wing type water meter, the pressure loss of the household water meter is a strong detection index of a type test, and according to the regulation in GB/T778.1-2007, the pressure loss grade of the household water meter should meet the requirement of delta p63, namely the pressure loss of the household water meter should be less than or equal to 63 kPa.

The existing household water meter comprises a meter body, a meter cavity is arranged in the meter body and used for installing a machine core, a water inlet pipe and a water outlet pipe which are communicated with the meter cavity are also arranged on the meter body, and in addition, valve control components such as a ball valve and the like are usually added on the household water meter so as to control the on-off of tap water according to the requirement of a water supply company on expecting water charge or the requirement of a user on water use control. The valve control assembly is typically mounted in the outlet pipe, which results in a shortened outlet flow path and increased pressure loss, making the meter difficult to pass a model test.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide a water meter shell which has the function of reducing pressure loss. In order to achieve the purpose, the utility model adopts the following technical scheme:

(II) technical scheme

The utility model provides a water gauge watchcase, includes the table body, the internal portion of table is the table chamber, and the lateral wall is connected with the outlet pipe, the table body is opened there is the delivery port and is used for the intercommunication the table chamber with the outlet pipe, still be equipped with the ball valve in the outlet pipe, the outlet pipe is inherent the delivery port with cup joint elastic guider has between the ball valve, be equipped with in the guider from the delivery port toward the direction of ball valve direction decline direction inclined plane of direction.

By adopting the technical scheme, the guide device with the inclined plane is arranged at the position, close to the water outlet, of the water outlet pipe, so that the water flowing out of the water outlet can be guided, and the situations that the resistance is increased and the pressure loss is increased due to the fact that the water rotates when the water flows out of the surface cavity to the water outlet pipe are reduced. The guiding device is made of elastic materials and is convenient to extrude into the guiding device during assembly.

The ball valve is characterized in that the guide device comprises a semicircular fixing piece and a guide piece, one end of the fixing piece is a semicircular ring, the other end of the fixing piece is a circular ring, the guide inclined plane is located in the semicircular end of the guide piece, the annular end of the guide piece is abutted to the ball valve through a sealing ring, the semicircular end is inserted into the fixing piece and keeps parallel and level, and the guide piece, the guide inclined plane and the fixing piece are matched with the arc-shaped surface of the outer side of the meter body.

Adopt above-mentioned technical scheme, adopt the mounting and the guide of semicircle ring can not influence water and discharge from the delivery port, and the arcwall face of guide, direction inclined plane and mounting and the external side looks adaptation of table guarantees to laminate completely with the table body and can not leave the gap, also guarantees simultaneously that guide, direction inclined plane and mounting can not rotate in the outlet pipe.

Further, arc surfaces are symmetrically arranged on the side wall of the fixing piece.

By adopting the technical scheme, the thickness of the arc surface position is smaller, and the two ends of the fixing piece can be folded and assembled inwards at the arc surface position.

Further, the guide piece is integrally cast and molded.

By adopting the technical scheme, the guide piece is formed by integrally pouring plastic, so that the cost is lower.

Further, a plurality of fixed sealing plates are arranged on the outer side of the fixing piece, and the fixed sealing plates are attached to the inner wall of the water outlet pipe.

By adopting the technical scheme, the fixed sealing plate can play a supporting role in the water outlet pipe, and meanwhile, the gap between the guide device and the water outlet pipe is sealed, so that water is prevented from flowing through the gap to increase resistance.

Further, an anti-rotation structure is arranged between the guide piece and the fixing piece.

Adopt above-mentioned technical scheme, take place to rotate between guide and the mounting when preventing to use, the influence is to the guide effect of water.

The anti-rotation structure comprises an anti-rotation groove and an anti-rotation bulge, wherein the anti-rotation groove is formed in the outer side of the guide piece, the anti-rotation bulge is formed in the inner side of the fixing piece, and the anti-rotation groove is matched with the anti-rotation bulge.

By adopting the technical scheme, the anti-rotation groove is matched with the anti-rotation protrusion, so that the guide part can be effectively prevented from rotating fixedly.

Drawings

The utility model will be further described with reference to the following examples with reference to the accompanying drawings.

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic view of the guide structure;

fig. 3 is a front view of the fixing member.

The reference numbers illustrate: 1. a watch body; 11. a watch cavity; 12. a water outlet; 2. a water outlet pipe; 3. a ball valve; 4. a guide device; 41. a fixing member; 411. fixing the sealing plate; 412. a circular arc surface; 42. a guide member; 421. a guide slope; 5. an anti-rotation structure; 51. an anti-rotation groove; 52. an anti-rotation protrusion.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The utility model is further described with reference to the following detailed description and accompanying drawings.

Referring to fig. 1 to 3, a water meter case includes a meter body 1, a meter cavity 11 is provided inside the meter body 1, and an outer side wall of the meter cavity is connected to a water outlet pipe 2 provided with a control ball valve 3. The meter body 1 is also provided with a water outlet 12 which communicates the meter cavity 11 with the water outlet pipe 2. The water outlet 12 is positioned at the upper half position of the water outlet pipe 2. An elastic guide device 4 is arranged on the outer side of the meter body 1 below the water outlet 12 in the water outlet pipe 2. The guide 4 includes a fixing member 41 having elasticity and a guide member 42. The fixing member 41 is made of a semicircular ring-shaped section of plastic. The outer side of the fixed part 41 is provided with an arc surface 412 and three fixed sealing plates 411, and the fixed sealing plates 411 are tightly attached to the inner wall of the water outlet pipe 2. The arc surface 412 is used for reducing the thickness of the arc surface 412, and two ends of the fixing member 41 can be folded inwards at the arc surface 412 and assembled inwards to a specified position from the water outlet position of the water outlet pipe 2. The fixing member 41 has an anti-rotation protrusion 52 formed on the inner side thereof. The guide member 42 has a circular section and a semicircular section inserted into the fixing member 41. Wherein, the outer side of the insertion end is provided with an anti-rotation groove 51, and the anti-rotation groove 51 is matched with the anti-rotation bulge 52 during assembly. The inner part of the semicircular end of the guide member 42 is provided with a guide inclined plane 421 which is inclined downwards towards the ball valve 3. The guide piece 42 is arranged in the fixing piece 41, the semicircular ends are kept parallel and level, the guide piece 42, the guide inclined plane 421 and the fixing piece 41 are processed into an arc shape at the end far away from the ball valve 3 to be matched with the outer side wall of the watch body 1, and meanwhile, the guide piece 42, the guide inclined plane 421 and the fixing piece 41 are also ensured not to rotate in the water outlet pipe 2. Therefore, the water flowing out of the water outlet 12 can flow orderly under the guidance of the guide inclined plane 421, and the gauge pressure is ensured to be stable.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims

1. The utility model provides a water gauge watchcase, includes the table body (1), the inside table chamber (11) that is of table body (1), the lateral wall is connected with outlet pipe (2), table body (1) is opened delivery port (12) and is used for the intercommunication table chamber (11) with outlet pipe (2), still be equipped with ball valve (3) in outlet pipe (2), its characterized in that: elastic guiding devices (4) are sleeved between the water outlet (12) and the ball valve (3) in the water outlet pipe (2), and guiding inclined planes (421) descending from the water outlet (12) to the ball valve (3) are arranged on the guiding devices (4).

2. A water meter housing as claimed in claim 1, wherein: the guide device (4) comprises a semicircular fixing piece (41) and a guide piece (42), wherein one end of the semicircular fixing piece is a semicircular ring, the other end of the semicircular fixing piece is a circular ring-shaped guide piece (42), the guide inclined plane (421) is located in the semicircular end of the guide piece (42), the annular end of the guide piece (42) is abutted to the ball valve (3) through a sealing ring, the semicircular end is inserted into the fixing piece (41) to be parallel and level, and the guide piece (42), the guide inclined plane (421) and the fixing piece (41) form an arc-shaped surface matched with the outer side of the meter body (1).

3. A water meter housing as claimed in claim 2, wherein: the side wall of the fixing piece (41) is symmetrically provided with arc surfaces (412).

4. A water meter housing as claimed in claim 2, wherein: the guide piece (42) is integrally cast and molded.

5. A water meter housing as claimed in claim 2, wherein: the outer side of the fixing piece (41) is provided with a plurality of fixing sealing plates (411), and the fixing sealing plates (411) are attached to the inner wall of the water outlet pipe (2).

6. A water meter housing as claimed in claim 2, wherein: an anti-rotation structure (5) is arranged between the guide piece (42) and the fixing piece (41).

7. A water meter housing as claimed in claim 6, wherein: prevent that revolution mechanic (5) is including being located the guide (42) outside is equipped with prevents changeing recess (51) and is located mounting (41) inboard is equipped with prevents changeing protruding (52), prevent changeing recess (51) with prevent changeing protruding (52) looks adaptation.