CN218937360U

CN218937360U - Roundness detection device for water meter movement

Info

Publication number: CN218937360U
Application number: CN202222705815.2U
Authority: CN
Inventors: 杨滨; 李纳; 郑海霞; 柴泽豪; 杨建琳; 刘新星
Original assignee: Ningbo Water Meter Group Co Ltd
Current assignee: Ningbo Water Meter Group Co Ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-04-28
Anticipated expiration: 2032-10-12

Abstract

The utility model discloses a roundness detection device of a water meter movement, which relates to the technical field of water meters and comprises a detection equipment main board, wherein a detection station for placing the water meter movement is arranged on the detection equipment main board, an adapter plate is arranged on one side of the detection equipment main board, a detection assembly is movably arranged on the adapter plate, a sensing assembly is fixedly arranged on the adapter plate, and when the water meter movement rotates at the detection station, the detection assembly is touched to move up and down, and the movement position of the detection assembly is perceived through the sensing assembly, so that roundness errors of a single section of the water meter movement are obtained. The technical problems of water meter injection molding and roundness rapid detection of machined parts are solved, and the detection device is high in measurement accuracy and greatly improves detection efficiency.

Description

Roundness detection device for water meter movement

Technical Field

The utility model relates to the technical field of water meters, in particular to a roundness detection device for a water meter core.

Background

The water meter movement is an important part for determining the flow performance of the water meter, and the roundness error of the movement determines the qualification rate of the water meter in the production process.

At present, no detection equipment can rapidly and accurately detect the roundness of a water meter core part, so that the key step of the qualification rate of water meter production is reduced, and the market competitiveness of manufacturers is indirectly influenced.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide the roundness detection device for the water meter movement, which has high measurement accuracy and greatly improves the detection efficiency.

The utility model adopts the following technical scheme:

the utility model provides a water gauge core roundness detection device, includes the check out test set mainboard, have one on the check out test set mainboard and be used for placing the detection station of water gauge core, one side of check out test set mainboard is provided with the keysets, movable on the keysets is provided with the detection subassembly, still fixedly on the keysets is provided with sensing assembly, works as the water gauge core is in when the detection station rotates, touches the detection subassembly reciprocates, through sensing assembly perception the movement position of detection subassembly obtains the roundness error of single cross-section of water gauge core.

Further, the detection assembly comprises a detection shaft, a limiting ring is fixedly arranged on the periphery of the detection shaft, a gasket is movably arranged on the detection shaft, the detection shaft vertically penetrates through the adapter plate in a movable mode, the limiting ring and the gasket are movably arranged in the adapter plate, and a spring is movably sleeved between the limiting ring and the gasket and is arranged on the periphery of the detection shaft.

Further, one end of the detection shaft, which is close to the water meter core, is provided with a contact.

Further, the detection station comprises a first inclined plate and a second inclined plate, a V-shaped groove is formed in the top of the main board of the detection device, a limiting protrusion is arranged at the bottom of the V-shaped groove, the first inclined plate and the second inclined plate are respectively arranged on the two inclined planes in the V-shaped groove in a one-to-one correspondence mode and abut against the limiting protrusion, and one end of the detection shaft extends out of a gap between the first inclined plate and the second inclined plate and abuts against the water meter core.

Further, the sensing assembly comprises a proximity sensor and a sensor fixing support, and the proximity sensor is fixedly arranged on the adapter plate through the sensor fixing support.

Further, the water meter core comprises an upper rectifier, a lower rectifier and a water filtering net which are sequentially connected.

Compared with the prior art, the utility model has the beneficial effects that:

when the water meter core rotates at the detection station, the touch detection component moves up and down, the movement position of the detection component is sensed by the sensing component, the roundness error of a single section of the water meter core is obtained, the technical problems of water meter injection molding and quick roundness detection of processed parts are solved, and the detection device has high measurement accuracy and greatly improves the detection efficiency.

Drawings

FIG. 1 is a schematic perspective view of a roundness detection device of a water meter movement according to the present utility model;

FIG. 2 is a schematic diagram of the water meter cartridge of FIG. 1 with the water meter cartridge omitted;

FIG. 3 is a schematic view of the structure of FIG. 2 from another angle;

FIG. 4 is a schematic diagram of the detection assembly of FIGS. 1-3;

fig. 5 is a schematic structural view of the watch movement of fig. 1.

In the figure: 10. detecting a main board of the equipment; 11. a V-shaped groove; 12. a limit protrusion; 20. a water meter core; 21. an upper rectifier; 22. a lower rectifier; 23. a water filter screen; 30. an adapter plate; 41. a detection shaft; 42. a limiting ring; 43. a gasket; 44. a spring; 45. a contact; 51. a first swash plate; 52. a second swash plate; 53. a fixing screw; 61. a proximity sensor; 62. a sensor fixing bracket; 63. and (5) fixing the screw by the bracket.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

As shown in fig. 1 to 5, the embodiment of the utility model further provides a roundness detection device for a water meter core, which comprises a detection device main board 10, wherein a detection station for placing the water meter core 20 is arranged on the detection device main board 10, an adapter board 30 is fixedly arranged on one side of the detection device main board 10 through an adapter board fixing screw 70, a detection component is movably arranged on the adapter board 30, a sensing component is fixedly arranged on the adapter board 30, and when the water meter core 20 rotates at the detection station, the sensing component is touched to move up and down, and the movement position of the detection component is sensed through the sensing component, so that roundness errors of a single section of the water meter core are obtained.

Specifically, in this embodiment, the detection assembly includes a detection shaft 41, a limiting ring 42 is fixedly disposed on the outer periphery of the detection shaft 41, a washer 43 is movably disposed on the detection shaft 41, the detection shaft 41 vertically penetrates through the adapter plate 30, the limiting ring 42 and the washer 43 are movably disposed in the adapter plate 30, a spring 44 is movably sleeved between the limiting ring 42 and the washer 43 on the outer periphery of the detection shaft 41, movement of the spring 44 can be limited, and an abutting contact 45 is disposed at one end of the detection shaft 41, which is close to the water meter core 20.

Specifically, in this embodiment, the detection station includes a first inclined plate 51 and a second inclined plate 52, a V-shaped groove 11 is provided at the top of the main board 10 of the detection device, a limit protrusion 12 is provided at the bottom of the V-shaped groove 11, the first inclined plate 51 and the second inclined plate 52 are respectively disposed on two inclined surfaces in the V-shaped groove 11 in a one-to-one correspondence manner by a fixing screw 53 and abut against the limit protrusion 12, and one end of the detection shaft extends from a gap between the first inclined plate 51 and the second inclined plate 52 and abuts against the water meter core 20.

Specifically, in the present embodiment, the sensor assembly includes the proximity sensor 61 and the sensor fixing bracket 62, and the proximity sensor 61 is fixedly provided on the adapter plate 30 by the sensor fixing bracket 62 and the bracket fixing screw 63.

Specifically, in this embodiment, the water meter core 20 includes an upper rectifier 21, a lower rectifier 22, and a water filter screen 23 that are sequentially connected, and the roundness of the parts is measured because of a certain roundness error of the upper rectifier 21, the lower rectifier 22, and the water filter screen 23 of the water meter core 20.

The operation mode of the utility model is as follows:

the water meter core 20 is placed on the detection equipment main board 10, so that the axis of the water meter core 20 is vertical to the detection equipment main board 10;

fixing the axial position of the water meter core 20, wherein the arc surface of the water meter core 20 is tangential to the first inclined plate 51 and the second inclined plate 52;

after the position of the water meter core 20 is fixed, the water meter core 20 is rotated for a circle, the outer edge of the water meter core 20 is contacted with the abutting head 45, and the abutting head 45 drives the detection shaft 41 to move up and down under the action of the spring 44;

the proximity sensor 61 senses the moving position of the detection shaft 41, displays the maximum difference value as a roundness error of a single section by an indicator, measures several sections, and the maximum error value as a roundness error of the part.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims

1. A roundness detection device of a water meter movement is characterized in that: the water meter comprises a detection equipment main board, wherein a detection station for placing a water meter core is arranged on the detection equipment main board, an adapter plate is arranged on one side of the detection equipment main board, a detection assembly is movably arranged on the adapter plate, a sensing assembly is fixedly arranged on the adapter plate, when the water meter core rotates at the detection station, the detection assembly is triggered to move up and down, the movement position of the detection assembly is sensed by the sensing assembly, and roundness errors of a single section of the water meter core are obtained.

2. The water meter core roundness detection device of claim 1, wherein: the detection assembly comprises a detection shaft, a limiting ring is fixedly arranged on the periphery of the detection shaft, a gasket is movably arranged on the detection shaft, the detection shaft vertically penetrates through the adapter plate in a movable mode, the limiting ring and the gasket are movably arranged in the adapter plate, and a spring is movably sleeved between the limiting ring and the gasket in a sleeved mode on the periphery of the detection shaft.

3. The water meter core roundness detection device of claim 2, wherein: one end of the detection shaft, which is close to the water meter core, is provided with a contact.

4. A water meter movement roundness detection device according to claim 2 or 3, wherein: the detection station comprises a first inclined plate and a second inclined plate, a V-shaped groove is formed in the top of the main board of the detection device, a limiting protrusion is arranged at the bottom of the V-shaped groove, the first inclined plate and the second inclined plate are respectively arranged on the two inclined surfaces in the V-shaped groove in a one-to-one correspondence mode and abut against the limiting protrusion, and one end of the detection shaft extends out of a gap between the first inclined plate and the second inclined plate and is abutted to the water meter core.

5. The water meter core roundness detection device of claim 1, wherein: the sensing assembly comprises a proximity sensor and a sensor fixing bracket, and the proximity sensor is fixedly arranged on the adapter plate through the sensor fixing bracket.

6. The water meter core roundness detection device of claim 1, wherein: the water meter core comprises an upper rectifier, a lower rectifier and a water filtering net which are sequentially connected.