CN214500139U

CN214500139U - Reversing device

Info

Publication number: CN214500139U
Application number: CN202120728013.6U
Authority: CN
Inventors: 张四化; 张婉情; 罗家兴; 李玉芳
Original assignee: Ningbo Huaxu Flow Equipment Co ltd
Current assignee: Ningbo Huaxu Flow Equipment Co ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-10-26
Anticipated expiration: 2031-04-12

Abstract

A reversing device is applied to the field of water meter detection and comprises a water nozzle, a box body and a reversing assembly. The water nozzle is arranged above the box body; through holes are formed in the two sides of the upper part of the box body, guide assemblies are installed on the through holes, and a first pipeline and a second pipeline are arranged on the lower part of the box body; the reversing assembly comprises a reversing box and reversing rods, and the reversing rods are arranged on two sides of the reversing box; the lower part of the reversing box is provided with a first channel and a second channel. The application provides a switching-over device compares traditional technique, has improved the structure of switching-over device, and the response is rapid when rivers switching-over, and water flow is stable, and water flow precision is high, has solved the problem that detects the precision low among the original technique, has to detect the precision height, the mechanism retrencies advantages such as the maintenance of being convenient for.

Description

Reversing device

Technical Field

The utility model is suitable for a water gauge detection area, concretely relates to switching-over device.

Background

The water meter is an instrument for measuring water flow, is used for measuring the accumulated flow of water, and needs to strictly detect various indexes of the water meter before the water meter leaves a factory, wherein the detection of the water flow precision is most important. In the detection of water flow, a commutator is required.

In the traditional commutator, an old commutator with a closed structure is adopted, and the operation noise is high; the water outlet structure is connected to a water pipe through a hose to discharge water, the water outlet structure needs to swing back and forth in the reversing process, the hose is bent and folded in the swinging process, the size of a flow point is changed, the height is changed, and then the water quantity is influenced, and the detection result is influenced.

Therefore, how to realize stable water flow reversing without changing the water flow in the reversing process is one of the research directions in the structure of the reverser, and the application carries out further research in the direction.

SUMMERY OF THE UTILITY MODEL

To the not enough among the above prior art, the utility model provides a switching-over device has improved the structure of switching-over device, has solved and has detected the precision low among the original technique, and the trouble problem of maintenance has that it is high to detect the precision, the mechanism retrencies advantages such as being convenient for maintain.

In order to solve the above technical problem, the present invention solves the above technical problems.

A reversing device comprises a water nozzle, a box body and a reversing component. The water nozzle is arranged above the box body; through holes are formed in the two sides of the upper part of the box body, guide assemblies are installed on the through holes, and a first pipeline and a second pipeline are arranged on the lower part of the box body; the reversing assembly comprises a reversing box and reversing rods, and the reversing rods are arranged on two sides of the reversing box; the lower part of the reversing box is provided with a first channel and a second channel.

In a preferred embodiment, the water outlet of the water nozzle is flat, so that the water outlet flow of the water nozzle is in a flat water curtain shape, and the control accuracy of the water flow is improved.

In a preferred embodiment, a protrusion is disposed on the lower portion of the box body between the first pipeline and the second pipeline for isolating water flowing to the first pipeline and the second pipeline, so that water in the first pipeline and water in the second pipeline cannot flow in opposite directions, and control accuracy of water flow is improved.

In a preferred embodiment, a protrusion is arranged on the lower portion of the reversing box in the reversing assembly between the first channel and the second channel and used for isolating water flowing to the first channel and the second channel, so that water in the first pipeline and water in the second pipeline cannot flow in opposite directions, and the control accuracy of water flow is improved.

In a preferred embodiment, the projection of the reversing box is located above the projection of the box body.

In a preferred embodiment, the bottom of the reversing box projection is lower than the top of the box projection to limit the operation space of the reversing lever, so that the first and second passages of the reversing box correspond to the first and second pipes of the box. The water flow flowing through the first channel cannot flow to the second pipeline, and the water flow flowing through the second channel cannot flow to the first pipeline, so that the detection accuracy is ensured.

In a preferred embodiment, the reversing box is provided with reversing rod mounting holes at two sides, and the design that the reversing box is separated from the reversing rods is convenient for installation and maintenance of the device.

In a preferred embodiment, the axis of the reversing rod is matched with the axis of the through hole of the box body and the axis of the guide assembly, the reversing rod is in clearance fit with the guide assembly, the reversing rod and the guide assembly of the box body form a sliding pair, and the purpose of water flow reversing can be achieved through the sliding of the reversing rod.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model provides a switching-over device compares the conventional art, has improved the structure of switching-over device, and the response is rapid when rivers switching-over, and water flow is stable, and water flow accuracy is high, has solved the problem that detects the precision low among the original technique, has to detect the precision height, the mechanism retrencies advantages such as the maintenance of being convenient for.

Drawings

Fig. 1 is a perspective view of a reversing device.

Fig. 2 is a sectional view of the reversing device.

Fig. 3 is an assembly view of the box body and the reversing component.

Fig. 4 is a perspective view of the case.

Fig. 5 is a perspective view of the reversing box.

Fig. 6 is a perspective view of the water nozzle.

The mark 1 is a water nozzle, wherein the mark 11 is a water outlet of the water nozzle; the label 2 is a box body, wherein the label 21 is a first pipeline, the label 22 is a second pipeline, the label 23 is a box body bulge, the label 24 is a through hole, and the label 25 is a guide component; the mark 3 is a reversing box, wherein the mark 31 is a first channel, the mark 32 is a second channel, the mark 33 is a reversing box bulge, the mark 34 is a reversing rod mounting hole, and the mark 35 is a splash guard; reference numeral 4 is a reversing lever.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The embodiments described below by referring to the drawings are exemplary only for explaining the present invention and are not construed as limiting the present invention, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.

In the description of the present invention, it is to be understood that the term: the center, vertically, transversely, length, width, thickness, upper and lower, preceding, back, left and right, vertical, level, top, end, inside and outside, clockwise, anticlockwise etc. indicate position or positional relationship for based on the position or positional relationship that the drawing shows, just for the convenience of description the utility model discloses and simplified description, consequently can not be understood as the restriction of the utility model. Furthermore, the terms: first, second, etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features shown. In the description of the present invention, unless explicitly stated or limited otherwise, the terms: mounting, connecting, etc. should be understood broadly, and those skilled in the art will understand the specific meaning of the terms in this application as they pertain to the particular situation.

Reference is made to fig. 1-5. A reversing device comprises a water nozzle 1, a box body 2 and a reversing assembly. The water nozzle 1 is arranged above the box body 2; through holes 24 are formed in the two sides of the box body 2, a guide assembly 25 is installed on the through holes, and a first pipeline 21 and a second pipeline 22 are arranged at the lower part of the box body; the reversing assembly comprises a reversing box 3 and reversing rods 4, and the reversing rods 4 are arranged on two sides of the reversing box 3; the lower part of the reversing box 3 is provided with a first channel 31 and a second channel 32.

In a specific embodiment, the water outlet 11 of the water nozzle 1 is flat, so that the water flow of the water nozzle 1 is in a flat water curtain shape, and the control accuracy of the water flow can be effectively improved by the design effect.

An acute-angle-shaped box body bulge 23 is arranged between the first pipeline 21 and the second pipeline 22 at the lower part of the box body 2 and used for isolating water flowing to the first pipeline 21 and the second pipeline 22, so that the water in the first pipeline 21 and the water in the second pipeline 22 cannot flow in opposite directions, and the control accuracy of water flow is improved.

An acute-angle-shaped reversing box protrusion 33 is arranged on the lower portion of the reversing box 3 in the reversing assembly between the first channel 31 and the second channel 32 and used for isolating water flowing to the first channel 31 and the second channel 32, so that water in the first pipeline 21 and water in the second pipeline 22 cannot flow in opposite directions, and the control accuracy of water flow is improved. The reversing box bulge 33 is positioned right above the box bulge 23, and the bottom of the reversing box bulge 33 is lower than the top of the box bulge 23 to limit the operation space of the reversing rod 4, so that the first channel 31 and the second channel 32 of the reversing box 3 correspond to the first pipeline 21 and the second pipeline 22 of the box 2 and cannot be communicated with each other, water flowing through the first channel 31 cannot flow to the second pipeline 22, and water flowing through the second channel 32 cannot flow to the first pipeline 21, thereby ensuring the detection accuracy.

Be provided with splashproof baffle 35 on the preceding back wall of switching-over case 3, splashproof baffle 35 is located the protruding 33's of switching-over case top, can prevent that rivers from splashing the passageway on one side in addition when the device commutates the work. The two sides of the reversing box 3 are provided with reversing rod mounting holes 34, the reversing rod 4 can be fixed in a threaded fit mode and the like, and the reversing box 3 and the reversing rod 4 are separated so that the device is convenient to mount and maintain. The axis of the reversing rod 4 is matched with the axis of the through hole 24 and the guide assembly 25 of the box body 2, the reversing rod 4 is in clearance fit with the guide assembly 25, the reversing rod 4 and the guide assembly 25 of the box body 2 form a sliding pair, and the purpose of water flow reversing can be achieved through the sliding of the reversing rod 4.

When the device starts to operate, water flow reaches the flat water outlet of the water nozzle 1 through the pipeline and falls into the reversing box 3 in a flat water curtain shape. When water flow is required to flow out through the first pipeline 21, the reversing rod 4 is operated in a driving mode such as an electromechanical or hydraulic system to be pulled out in a direction away from the box body 2, the reversing box bulge 33 is located on the right side of the box body bulge 23, the water flow flows to the first channel 31 on the left side of the reversing box 3 along the left slope of the reversing box bulge 33, and then falls into the slope on the left side of the box body bulge 23 and flows into the first pipeline 21 on the left side of the box body 2; when water flow is required to flow out through the second pipeline 22, the reversing rod 4 is operated to push towards the direction close to the box body 2, the reversing box bulge 33 is located on the left side of the box body bulge 23, the water flow flows to the second channel 32 on the right side of the reversing box 3 along the slope on the right side of the reversing box bulge 33, and then the water flow falls into the slope on the right side of the box body bulge 23 and flows into the second pipeline 22 on the right side of the box body 2. When reversing, the splash guard 35 prevents water from splashing into the other channel.

Compared with the prior art, the utility model provides a switching-over device compares traditional technique, has improved the structure of switching-over device, and the response is rapid when rivers switching-over, and discharge is stable, and discharge precision is high, has solved the problem that detects the precision low among the original technique, has to detect the precision height, the mechanism retrencies advantages such as being convenient for maintain.

The protection scope of the present invention includes but is not limited to the above embodiments, the protection scope of the present invention is subject to the claims, and any replacement, deformation, and improvement that can be easily conceived by those skilled in the art made by the present technology all fall into the protection scope of the present invention.

Claims

1. A reversing device is characterized by comprising

The water nozzle (1), the said water nozzle (1) is set up above the container body (2);

the device comprises a box body (2), wherein through holes (24) are formed in two sides of the box body (2), a guide assembly (25) is installed on the box body, and a first pipeline (21) and a second pipeline (22) are arranged at the lower part of the box body (2);

the reversing assembly comprises a reversing box (3) and reversing rods (4), and the reversing rods (4) are arranged on two sides of the reversing box (3); the lower part of the reversing box (3) is provided with a first channel (31) and a second channel (32).

2. A reversing device according to claim 1, characterized in that the water outlet (11) of the water nozzle (1) is flat.

3. A reversing device according to claim 1, characterized in that a box projection (23) is provided in the lower part of the box (2) between the first duct (21) and the second duct (22).

4. A diverting arrangement according to claim 1, characterized in that the lower part of the diverting tank (3) in the diverting assembly is provided with a diverting tank protrusion (33) between the first channel (31) and the second channel (32).

5. A diverting arrangement according to claim 4, characterized in that the diverting box bulge (33) is located above the box bulge (23).

6. A diverting arrangement according to claim 5, characterized in that the bottom of the diverting pocket protrusion (33) is lower than the top of the pocket protrusion (23).

7. A reversing device according to claim 6, characterized in that the reversing box (3) is provided with splash guards (35) on its front and rear walls above the reversing box bulges (33).

8. A reversing device according to any one of claims 4-7, characterized in that reversing lever mounting holes (34) are provided on both sides of the reversing box (3).

9. A reversing device according to claim 1, characterized in that the axis of the reversing lever (4) coincides with the axis of the through hole (24) of the casing (2) and the guide member (25), the reversing lever (4) and the guide member (25) being in clearance fit.