CN112179438A

CN112179438A - Water meter convenient for error adjustment

Info

Publication number: CN112179438A
Application number: CN202011058494.0A
Authority: CN
Inventors: 罗立强; 李怀卿; 彭承纬
Original assignee: Hunan Changde Water Meter Manufacture Co Ltd
Current assignee: Hunan Changde Water Meter Manufacture Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-01-05

Abstract

The invention provides a water meter convenient for error adjustment, and relates to the technical field of water meter measurement. According to the invention, through the arrangement of the adjusting baffle, the inner side wall of the adjusting baffle is tightly attached to the outer side wall of the impeller box all the time, the size of water flow of the water inlet hole is adjusted through the up-and-down movement of the adjusting baffle, and the flow speed of the water flow of the water inlet hole is accurately controlled.

Description

Water meter convenient for error adjustment

Technical Field

The invention relates to the technical field of water meter metering, in particular to a water meter convenient for error adjustment.

Background

At present, most of the residential water meters are rotary wing water meters, namely, the water meters are formed by that water pushes an impeller to rotate so as to measure the accumulated amount of the residential water. The water meter can be divided into a positive displacement type and a rotary wing type, wherein the positive displacement type is equivalent measurement, and the rotary wing type realizes indirect measurement according to the speed of water flow and the rotating speed of an impeller. The rotor type wet water meter can be divided into dry type and wet type, the rotor type wet water meter is connected on the water supply pipeline, the shell and the gland on the upper part of the shell form a containing body, the connecting part between the fluid inlet and the fluid outlet is the shell, the upper part of the shell is a counter, the lower part of the shell is an impeller box, an impeller and a bottom shaft are arranged in the impeller box, a plurality of holes are arranged at the upper end and the lower end of the impeller box, a water inlet hole is arranged at the lower part of the impeller box. The impeller shaft in the impeller box is connected with the rotor shaft of the counter, and water enters the impeller box through the water inlet hole to push the impeller to rotate, so that the impeller drives the gear to rotate, and the water accumulation amount can be displayed. After water enters the impeller box through the water inlet hole, if the water flow is very small, the impeller cannot be driven to rotate, so that the impeller can be driven to rotate only when the flow is large, namely, the initial flow is large; the initial flow greatly affects the stability of small flow errors, so that the conditions that a tap water company supplies more water, the number displayed by a water meter of a user is small, the error is unstable, and the unfair phenomenon exists for the water supply company can be caused.

Disclosure of Invention

The invention aims to provide a water meter convenient for error adjustment so as to solve the technical problem.

In order to solve the technical problems, the invention adopts the following technical scheme: a water meter convenient for error adjustment comprises a water meter shell, wherein a character wheel box is installed in the water meter shell, an impeller box is installed below the character wheel box, an impeller is installed in the impeller box, a plurality of water outlets and water inlets are respectively formed in the upper end and the lower end of the impeller box, an adjusting baffle is arranged on the outer side of each water inlet, the inner side wall of each adjusting baffle is in close contact with the outer side wall of the impeller box, sliding grooves are vertically and fixedly installed in the left side and the right side of the outer side wall of each water inlet, sliding rods are arranged on the left side and the right side of each adjusting baffle and are in sliding fit with the sliding grooves, a supporting top block is horizontally and fixedly installed on the upper side wall of each impeller box, a hydraulic telescopic rod is vertically arranged on the lower end face of the supporting top block, the lower end of the hydraulic telescopic rod is fixedly connected with the upper end of each adjusting baffle, and an infrared distance sensor is installed between the, the infrared distance sensor comprises an infrared transmitting tube arranged at the lower end of the adjusting baffle, an infrared receiving tube is arranged vertically below the infrared transmitting tube and upwards, a control switch of the hydraulic telescopic rod is arranged on the outer side wall of the water meter shell, and a display screen is arranged on one side of the control switch.

Preferably, the display screen is electrically connected with the infrared distance sensor.

Preferably, a sealing rubber gasket is arranged on the inner side wall of the adjusting baffle.

Preferably, the sliding tray includes first spout and second spout, the vertical inner wall of sliding tray is being pasted to first spout, the second spout is located the vertical opening department of sliding tray, vertically be provided with first V type groove on the upper and lower both sides wall of first spout, be provided with second V type groove on the vertical inside wall of first spout, all be provided with first V type sealing strip on the upper and lower both ends face of slide bar, fixed mounting has second V type sealing strip on the vertical side edge that adjusting stop was kept away from to the slide bar.

Preferably, the first V-shaped sealing strip is in sliding fit with the first V-shaped groove, and the second V-shaped sealing strip is in sliding fit with the second V-shaped groove.

Preferably, the width of the supporting top block is larger than the diameter of the water inlet hole.

The invention has the beneficial effects that:

according to the invention, through the arrangement of the adjusting baffle, the inner side wall of the adjusting baffle is tightly attached to the outer side wall of the impeller box all the time, the water flow size of the water inlet hole is adjusted through the up-down movement of the adjusting baffle, the flow velocity of the water flow of the water inlet hole is accurately controlled, the measurement of the up-down movement distance of the adjusting baffle is completed through the arrangement of the infrared transmitting tube and the infrared receiving tube, the accurate adjustment of the adjusting baffle is facilitated through the control of the upper hydraulic telescopic rod, a gradient sealing structure is formed inside the sliding groove through the arrangement of the first sliding chute and the second sliding chute, so that the combination of the sliding rod and the inner wall of the sliding groove is tighter, through the arrangement of the first V-shaped groove and the second V-shaped groove, the sliding fit of the first V-shaped sealing strip and the second V-shaped sealing strip is realized, the whole structure is simple, the thought is clear, can accurate control rivers enter into the flow in the impeller box to can finely tune the water gauge, reduce the error of water gauge, make the measuring result accurate, the practicality is high.

Drawings

FIG. 1 is a schematic view of a water meter with convenient error adjustment according to the present invention;

FIG. 2 is a schematic view of the impeller cartridge of the present invention;

FIG. 3 is a side view of the impeller cartridge of the present invention;

FIG. 4 is a schematic view of the structure of the sliding slot of the present invention;

FIG. 5 is a cross-sectional view of a filter tube according to the present invention;

reference numerals: 1. a water meter housing; 2. a character wheel box; 3. an impeller case; 4. an impeller; 5. a water outlet hole; 6. a water inlet hole; 7. adjusting the baffle; 8. a sliding groove; 801. a first chute; 802. a second chute; 9. a slide bar; 10. a supporting top block; 11. a hydraulic telescopic rod; 12. an infrared distance sensor; 13. an infrared emission tube; 14. an infrared receiving tube; 15. a control switch; 16. a display screen; 17. a first V-shaped groove; 18. a second V-shaped groove; 19. a first V-shaped sealing strip; 20. and a second V-shaped sealing strip.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easily understood, the invention is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention are described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-5, a water meter convenient for error adjustment comprises a water meter housing 1, a character wheel box 2 is installed in the water meter housing 1, an impeller box 3 is installed below the character wheel box 2, an impeller 4 is installed in the impeller box 3, a plurality of water outlets 5 and water inlets 6 are respectively formed at the upper end and the lower end of the impeller box 3, an adjusting baffle 7 is arranged at the outer side of the water inlets 6, the inner side wall of the adjusting baffle 7 is in close contact with the outer side wall of the impeller box 3, sliding grooves 8 are vertically and fixedly installed at the left side and the right side of the outer side wall of the water inlets 6, sliding rods 9 are arranged at the left side and the right side of the adjusting baffle 7, the sliding rods 9 are in sliding fit with the sliding grooves 8, a supporting top block 10 is horizontally and fixedly installed on the upper side wall of the water inlets 6 at the outer side wall of the impeller box 3, a hydraulic telescopic rod 11 is vertically arranged at the lower end, install infrared distance sensor 12 between the lower extreme of adjusting plate 7 and the lower extreme of the lateral wall of impeller box 3, infrared distance sensor 12 is including installing infrared emission pipe 13 at adjusting plate 7 lower extreme, and infrared emission pipe 13 vertically to the lower position upwards install infrared receiving tube 14, installs hydraulic telescoping rod 11's control switch 15 on the water gauge casing 1 lateral wall, and display screen 16 is installed to one side of control switch 15.

The sliding groove 8 comprises a first sliding groove 801 and a second sliding groove 802, the first sliding groove 801 is attached to the vertical inner wall of the sliding groove 8, the second sliding groove 802 is located at the vertical opening of the sliding groove 8, first V-shaped grooves 17 are longitudinally formed in the upper side wall and the lower side wall of the first sliding groove 801, second V-shaped grooves 18 are formed in the vertical inner side wall of the first sliding groove 801, first V-shaped sealing strips 19 are arranged on the upper end face and the lower end face of the sliding rod 9, and a vertical side edge, away from the adjusting baffle 7, of the sliding rod 9 is fixedly provided with a second V-shaped sealing strip 20.

The working principle is as follows:

when the water pipe is installed to whole water gauge, drive adjusting baffle 7 through hydraulic telescoping rod 11 and reciprocate along sliding tray 8, make whole slip in-process, adjusting baffle 7's inside wall all the time closely pastes together with the lateral wall of impeller box 3, through reciprocating of adjusting baffle 7, adjust the rivers size of inlet opening 6, and carry out accurate control to the velocity of flow of inlet opening 6 rivers, under the cooperation of infrared emission pipe 13 and infrared ray receiver tube 14, accomplish the measurement to adjusting baffle 7 displacement distance, and hydraulic telescoping rod 11's control in the cooperation, and install the controller between hydraulic telescoping rod 11 and infrared distance sensor 12, be convenient for to the accurate regulation of adjusting baffle 7.

In the process of sliding of the two sides of the sliding rod 9 in the sliding groove 8, the first sliding groove 801 and the second sliding groove 802 form a gradient sealing structure, so that the sliding rod 9 is combined with the inner wall of the sliding groove 8 more tightly, the first V-shaped groove 17 and the second V-shaped groove 18 are arranged, the sliding rod is in sliding fit with the first V-shaped sealing strip 19 and the second V-shaped sealing strip 20, the inner walls of the sliding rod 9 and the sliding groove 8 are made to be more sealed, water flow is prevented from permeating from the inner side wall of the sliding groove 8 under the action of pressure, and errors are generated in detection of the water meter.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a make things convenient for water gauge of error adjustment, includes water gauge shell (1), install word wheel box (2) in water gauge shell (1), impeller box (3) are installed to the below of word wheel box (2), install impeller (4) in impeller box (3), a plurality of apopores (5) and inlet opening (6) that the upper and lower end was seted up respectively of impeller box (3), the outside of inlet opening (6) is provided with adjusting baffle (7), and the inside wall of adjusting baffle (7) and the lateral wall in close contact with of impeller box (3), the vertical fixed mounting in both sides of the lateral wall of inlet opening (6) has sliding tray (8), the left and right sides of adjusting baffle (7) is provided with slide bar (9), slide bar (9) and sliding tray (8) sliding fit, the lateral wall of impeller box (3) is located the last lateral wall of inlet opening (6) and the horizontal fixed mounting has a support kicking block (10), the vertical hydraulic telescoping rod (11) that is provided with of lower terminal surface of supporting kicking block (10), the lower extreme of hydraulic telescoping rod (11) and the upper end fixed connection of adjusting the baffle (7), install infrared distance sensor (12) between the lower extreme of adjusting the baffle (7) and the lower extreme of the lateral wall of impeller box (3), infrared distance sensor (12) are including installing infrared emission tube (13) at adjusting the baffle (7) lower extreme, and infrared receiving tube (14) are installed to the position upwards to the perpendicular lower side of infrared emission tube (13), install control switch (15) of hydraulic telescoping rod (11) on water gauge casing (1) lateral wall, display screen (16) are installed to one side of control switch (15).

2. A water meter facilitating error regulation according to claim 1, wherein: the display screen (16) is electrically connected with the infrared distance sensor (12).

3. A water meter facilitating error regulation according to claim 1, wherein: and a sealing rubber gasket is arranged on the inner side wall of the adjusting baffle (7).

4. A water meter facilitating error regulation according to claim 1, wherein: sliding tray (8) include first spout (801) and second spout (802), the vertical inner wall of sliding tray (8) is being pasted in first spout (801), second spout (802) are located sliding tray (8) and erect opening department, vertically be provided with first V type groove (17) on the upper and lower both sides wall of first spout (801), be provided with second V type groove (18) on the vertical inside wall of first spout (801), all be provided with first V type sealing strip (19) on the upper and lower both ends face of slide bar (9), fixed mounting has second V type sealing strip (20) on the vertical side edge that adjusting baffle (7) was kept away from in slide bar (9).

5. A water meter as claimed in claim 4, which facilitates error regulation, and which includes: the first V-shaped sealing strip (19) is in sliding fit with the first V-shaped groove (17), and the second V-shaped sealing strip (20) is in sliding fit with the second V-shaped groove (18).

6. A water meter facilitating error regulation according to claim 1, wherein: the width of the supporting top block (10) is larger than the diameter of the water inlet hole (6).