Knob type anti-dismantlement device, meter and metering system applied to metering system

A metering system and knob-type technology, applied in the field of meters, can solve the problems of inconvenient disassembly, high material cost, and large space occupation

Active Publication Date: 2019-08-20
GOLDCARD HIGH TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such an anti-demolition design has the following disadvantages: 1. Screws are used for fixing, which takes a long time to install and disassemble, and the cost of materials is high, which increases the cost; 2. The screw fixing method takes up a lot of space, resulting in a relatively large design of the anti-demolition structure; 3. 、Once the design is formed, it will take a lot of time for professionals to come to repair it. While preventing users from disassembling, it will also bring inconvenience to professional maintenance personnel. Therefore, it is necessary to improve

Method used

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  • Knob type anti-dismantlement device, meter and metering system applied to metering system
  • Knob type anti-dismantlement device, meter and metering system applied to metering system
  • Knob type anti-dismantlement device, meter and metering system applied to metering system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0070] refer to Figure 7-9 , the difference between this embodiment and Embodiment 1 is that the knob type anti-tampering device also includes a tamper-evident piece, the outer cover 210 is provided with a through hole, and the inner cover 220 is provided with a rotating drive part corresponding to the through hole, and the anti-tampering piece is installed in the through hole. After the anti-tamper cover is installed and locked, the anti-tamper cover is set to prevent the locked state of the anti-tamper cover from being destroyed by ordinary users, and the anti-tamper effect is strengthened.

[0071] Preferably: since the outer cover boss 211 is provided on the outer cover 210, and the inner cover boss 221 is arranged on the inner cover 220, in this embodiment, a through hole 215 is arranged in the axial direction on the outer cover boss 211, and the inner cover boss 221 is provided with a rotary drive part inside, and the rotary drive part is a slot 224 that matches a prof...

Embodiment 3

[0076] refer to Figure 10 , 11 , this embodiment is improved on the basis of any of the preceding embodiments: a positioning protrusion 216 is provided on the edge of the outer cover 210, and a positioning groove 112 is provided on the wall of the assembly opening 110. The groove 112 cooperates to locate the relative position of the tamper-evident cover in the assembly opening 110 . With such a design, when installing the tamper-proof cover, the operator only needs to match the positioning protrusion 216 into the positioning groove 112, and then the anti-tamper cover can be positioned at the relative position between the inner cover gap 222 and the stopper 111, and then push the anti-tamper The cover is disassembled to fit it in place, and the operation is more convenient; and after the anti-demolition cover is locked, the rotation of the anti-demolition cover can be restricted by the cooperation of the positioning protrusion 216 and the positioning groove 112, and the insta...

Embodiment 4

[0078] refer to Figure 12 , this embodiment is improved on the basis of any of the above-mentioned embodiments: a sealing ring is provided on the peripheral side of the tamper-evident cover, so that the tamper-evident cover is sealed and installed to the assembly port 110 . Preferably, the peripheral side of the outer cover 210 is provided with an annular groove 217 along the circumferential direction, and the sealing ring 500 is partially embedded in the annular groove 217. After the tamper-resistant cover is installed in the assembly port 110, the sealing ring 500 is close to the wall of the assembly port 110 , so that a seal is formed between the tamper-evident cover and the wall of the assembly port 110, thereby improving the waterproof and dustproof effect.

[0079] It can be understood that the outer cover can be made of sealing material, and there is a certain amount of interference between the outer cover and the assembly port. After the anti-tamper cover is installed...

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Abstract

The invention discloses a knob-type anti-dismantling apparatus applied to a metering system, a metering device and a metering system and belongs to the metering table technology field. In an existing metering device industry, anti-dismantling performance of the device is poor, an anti-dismantling structure is complex and there are many other problems. In the invention, the above problems are solved. The knob-type anti-dismantling apparatus comprises a box body and an anti-dismantling cover, wherein the box body is provided with an assembling port; the anti-dismantling cover is installed on the assembling port in a matching mode; the anti-dismantling cover includes an inner cover and an outer cover which are rotatably connected; the anti-dismantling cover possesses a locking state and an unlocking state; under the locking state, the anti-dismantling cover is locked on the box body; under the unlocking state, locking of the anti-dismantling cover is relieved; and the inner cover is rotated relative to the outer cover so that the anti-dismantling cover is mutually switched between the locking state and the unlocking state. The apparatus is applied to a water meter, a fuel gas meter, a heat energy meter and the corresponding metering system.

Description

[0001] 【Technical field】 [0002] The invention relates to the technical field of meters, in particular to a knob-type anti-dismantlement device applied to a metering system, a meter provided with the knob-type anti-dismantlement device and a metering system thereof. [0003] 【Background technique】 [0004] In the meter industry, the safety protection performance of the meter is very important, especially the anti-dismantlement performance (such as the anti-dismantlement of the shell, the tamper-proof of the controller and its internal battery), so as to prevent the meter from being damaged by the user from dismantling the meter end without permission. The potential safety hazards brought by this will ensure the realization and use of the normal function of the meter. For example, common gas meters are powered by disposable batteries, which need to be replaced regularly. The battery tamper-proof design in the prior art is to fix the battery in the battery slot, and seal the bat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01D11/24
Inventor 祁二骆丁渊明王志禹宋兴健盛成龙
Owner GOLDCARD HIGH TECH
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