CN214667096U

CN214667096U - Domestic water gauge based on NB-IoT technique

Info

Publication number: CN214667096U
Application number: CN202121227600.3U
Authority: CN
Inventors: 盛锦宏; 张金润; 郭明伟
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-11-09
Anticipated expiration: 2031-06-03

Abstract

The invention discloses a household water meter based on NB-IoT technology, which comprises a water meter body, wherein the input end of the water meter body is fixedly connected with a water inlet pipe, the output end of the water meter body is fixedly connected with a water discharge pipe, the inner cavity of the water discharge pipe is provided with a water discharge cavity, the inner cavity wall of the water discharge cavity is provided with a circle of limit cavity, a bent pipe is arranged in the water discharge cavity in a sliding manner, the outer wall of the bent pipe is fixedly sleeved with a fixing ring, the fixing ring is arranged in the limit cavity in a sliding manner, the outer wall of the fixing ring is provided with a plurality of ball mounting grooves, balls are embedded and rolled in the ball mounting grooves, the outer wall of the water discharge pipe is fixedly provided with a fixing mechanism, the fixing mechanism comprises a hand wheel, the hand wheel is arranged on the outer wall of the water discharge pipe, the circle center position at the bottom end of the hand wheel is vertically and fixedly connected with a threaded shaft, the threaded shaft penetrates into the water discharge cavity and is vertically and fixedly connected with an arc-shaped extrusion block, the invention relates to a household water meter based on NB-IoT technology, which has the characteristic of convenient pipeline butt joint.

Description

Domestic water gauge based on NB-IoT technique

Technical Field

The utility model relates to a domestic water gauge, in particular to domestic water gauge based on NB-IoT technique.

Background

The water meter is an instrument for measuring water flow, mostly is the accumulated flow measurement of water, and is generally divided into a positive displacement water meter and a speed water meter;

the water meter comprises a plurality of household water meters, wherein the household water meter based on the NB-IoT technology is one of the household water meters, and the traditional household water meter based on the NB-IoT technology has the problem of inconvenient pipeline butt joint when in use, mainly because the water discharge pipe of the water meter is fixed in installation position and installation length, the water meter is inconvenient to be applied to different installation environments, and further the problem of inconvenient butt joint of the water discharge pipe of the water meter and the household pipeline exists;

there is a need to design a domestic water meter based on NB-IoT technology.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a domestic water gauge based on NB-IoT technique to solve the inconvenient problem of pipeline butt joint that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a household water meter based on NB-IoT technology comprises a water meter body, wherein an input end of the water meter body is fixedly connected with a water inlet pipe, an output end of the water meter body is fixedly connected with a water discharge pipe, an inner cavity of the water discharge pipe is provided with a water discharge cavity, an inner cavity wall of the water discharge cavity is provided with a circle of limiting cavity, a bent pipe is arranged in the water discharge cavity in a sliding mode, an outer wall of the bent pipe is fixedly sleeved with a fixing ring, the fixing ring is installed in the limiting cavity in a sliding mode, an outer ring wall of the fixing ring is provided with a plurality of ball installing grooves, balls are embedded and installed in the ball installing grooves in a rolling mode, a fixing mechanism is fixedly installed on the outer wall of the water discharge pipe and comprises a hand wheel, the hand wheel is arranged on the outer wall of the water discharge pipe, a threaded shaft is vertically and fixedly connected with the center of the bottom end of the hand wheel, and threads of the threaded shaft penetrate into the water discharge cavity, and the arc-shaped extrusion block is vertically and fixedly connected with the outer pipe wall of the elbow pipe in a contact manner.

As an optimal technical scheme of the utility model, the return bend is the design of L type, and the external diameter of return bend equals the internal diameter in drainage chamber.

As an optimal technical scheme of the utility model, the top fixed mounting of return bend has the rubber circle, rubber circle slidable mounting is in spacing intracavity, just the external diameter of rubber circle equals the internal diameter in spacing chamber.

As an optimal technical scheme of the utility model, it is a plurality of the ball specification is unanimous and is equidistant annular array distribution each other.

As an optimized technical scheme of the utility model, the interior cambered surface of arc extrusion piece and the identical design of outer pipe wall of return bend.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a domestic water gauge based on NB-IoT technique has the convenient characteristics of pipeline butt joint, specifically speaking:

the household water meter based on the NB-IoT technology is characterized in that a limiting cavity is formed in the wall of the inner cavity of the drainage pipe, then the bent pipe is rotatably arranged in the drainage cavity, the bent pipe can rotate in the drainage cavity and can also stretch out and draw back in the drainage cavity, and then the connecting station at the other end of the bent pipe can be adjusted, so that the household water meter can be conveniently butted with a household pipeline;

furthermore, considering the leakproofness of the activity of return bend in the drainage chamber, at the top fixed mounting round rubber circle of return bend, can avoid rivers infiltration to enter into solid fixed ring department through the rubber circle, and solid fixed ring outer rampart embedding is rolled and is installed a plurality of balls, can reduce the return bend through ball 52 when adjusting the station, with the friction of drainage chamber inner chamber wall.

Drawings

Fig. 1 is a schematic view of the appearance three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the internal installation structure of the drain pipe of the present invention;

FIG. 3 is a schematic view of the mounting structure of the fixing ring of the present invention;

fig. 4 is a schematic view of the mounting structure of the fixing mechanism of the present invention.

In the figure: 1. a water meter body; 2. a water inlet pipe; 3. a drain pipe; 4. bending the pipe; 5. a fixing ring; 6. a fixing mechanism; 31. a drainage cavity; 32. a limiting cavity; 41. a rubber ring; 51. a ball mounting groove; 52. a ball bearing; 61. a hand wheel; 62. a threaded shaft; 63. and (4) arc-shaped extrusion blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a household water meter based on NB-IoT technology, which comprises a water meter body 1, wherein an input end of the water meter body 1 is fixedly connected with a water inlet pipe 2, an output end of the water meter body 1 is fixedly connected with a water outlet pipe 3, an inner cavity of the water outlet pipe 3 is provided with a water outlet cavity 31, an inner cavity wall of the water outlet cavity 31 is provided with a circle of limiting cavity 32, a bent pipe 4 is arranged in the water outlet cavity 31 in a sliding manner, an outer wall of the bent pipe 4 is fixedly sleeved with a fixing ring 5, the fixing ring 5 is arranged in the limiting cavity 32 in a sliding manner, an outer ring wall of the fixing ring 5 is provided with a plurality of ball mounting grooves 51, balls 52 are respectively embedded in the plurality of ball mounting grooves 51 and are installed in a rolling manner, a fixing mechanism 6 is fixedly installed on the outer wall of the water outlet pipe 3, the fixing mechanism 6 comprises a hand wheel 61, the hand wheel 61 is arranged on the outer wall of the water outlet pipe 3, a threaded shaft 62 is vertically and fixedly connected at the center position of the bottom end of the hand wheel 61, the thread of the threaded shaft 62 penetrates into the drainage cavity 31, and is vertically and fixedly connected with an arc-shaped extrusion block 63, and the arc-shaped extrusion block 63 is arranged in a manner of being abutted to the outer pipe wall of the elbow pipe 4.

The elbow 4 is designed in an L shape, and the outer diameter of the elbow 4 is equal to the inner diameter of the drainage cavity 31, so that the stability of the adjusting process of the elbow 4 is ensured.

Wherein, the top fixed mounting of return bend 4 has rubber circle 41, and rubber circle 41 slidable mounting is in spacing chamber 32, and the external diameter of rubber circle 41 equals the internal diameter of spacing chamber 32, ensures that sealed respond well.

Wherein, a plurality of balls 52 are uniform in specification and distributed in equidistant annular array to ensure the stable rotation of the fixing ring 5.

Wherein, the inner arc surface of the arc-shaped extrusion block 63 is matched with the outer pipe wall of the elbow pipe 4, so that the maximum area of lamination is ensured, and the extrusion is more stable.

The working principle is as follows:

firstly, a water inlet pipe 2 and a water supply pipeline are well butted and installed, and then a station of a water meter body 1 is placed;

secondly, the elbow 4 is rotated and telescopically adjusted, the rubber ring 41 synchronously moves while the elbow 4 moves in the inner cavity of the drainage cavity 31, and the plurality of balls 52 are in rolling contact with the inner cavity wall of the limiting cavity 32 until the other end of the elbow 4 is adjusted to a proper position;

and thirdly, finally, rotating the hand wheel 61 to drive the threaded shaft 62 to rotate, and further driving the arc extrusion block 63 to rotate and descend until the inner arc surface of the arc extrusion block 63 is abutted against the outer pipe wall of the bent pipe 4, so that the bent pipe 4 and the drain pipe 3 are relatively fixed.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a domestic water gauge based on NB-IoT technique, includes water gauge body (1), its characterized in that, the input fixedly connected with inlet tube (2) of water gauge body (1), the output fixedly connected with drain pipe (3) of water gauge body (1), drainage chamber (31) have been seted up to the inner chamber of drain pipe (3), the inner chamber wall of drainage chamber (31) has seted up spacing chamber (32) of round, it has return bend (4) to slide in drainage chamber (31), the outer pipe wall fixed cover of return bend (4) is equipped with solid fixed ring (5), gu fixed ring (5) slidable mounting is in spacing chamber (32), gu fixed ring (5) the outer rampart has seted up a plurality of ball mounting grooves (51), it is a plurality of all to embed in ball mounting groove (51) and roll and install ball (52), the outer pipe wall fixed mounting of drain pipe (3) has fixed establishment (6), fixed establishment (6) include hand wheel (61), hand wheel (61) set up the outer pipe wall in drain pipe (3), the perpendicular fixedly connected with screw shaft (62) in bottom centre of a circle position of hand wheel (61), screw shaft (62) screw thread runs through and stretches into to water drainage chamber (31), and perpendicular fixedly connected with arc extrusion piece (63), arc extrusion piece (63) and the inconsistent setting of outer pipe wall of return bend (4).

2. A domestic water meter based on NB-IoT technology as claimed in claim 1, wherein: the bent pipe (4) is designed in an L shape, and the outer diameter of the bent pipe (4) is equal to the inner diameter of the drainage cavity (31).

3. A domestic water meter based on NB-IoT technology as claimed in claim 1, wherein: the top fixed mounting of return bend (4) has rubber circle (41), rubber circle (41) slidable mounting is in spacing chamber (32), just the external diameter of rubber circle (41) equals the internal diameter of spacing chamber (32).

4. A domestic water meter based on NB-IoT technology as claimed in claim 1, wherein: the balls (52) are uniform in specification and distributed in an equidistant annular array.

5. A domestic water meter based on NB-IoT technology as claimed in claim 1, wherein:

the inner arc surface of the arc-shaped extrusion block (63) is matched with the outer pipe wall of the bent pipe (4).