CN86102514A

CN86102514A - Household gas main switch locking device

Info

Publication number: CN86102514A
Application number: CN86102514A
Authority: CN
Inventors: 瞿又山
Original assignee: Individual
Current assignee: Individual
Priority date: 1986-09-07
Filing date: 1986-09-07
Publication date: 1988-03-16

Abstract

本发明涉及家庭生活用品，轻工业品，涉及安全使用煤气的一种装置，为家用煤气总开关(小型旋塞阀)锁住装置。本装置可以在开关关闭的状态下把开关锁住，防止任意开启，造成浪费或安全事故。使用本装置不需要进行安装，不需要对原有开关进行改装或加工，并允许原有开关的外形尺寸和安装上有一定误差，仍能有效使用。便于作为商品推广，销售。所用原料，加工方式和加工设备都很简单，适宜于各种规模的工厂生产。The present invention relates to household products, light industrial products, and a device for safely using gas, which is a locking device for a household gas main switch (a small plug valve). The device can lock the switch when it is closed to prevent it from being opened arbitrarily, causing waste or safety accidents. The device does not require installation or modification or processing of the original switch, and allows a certain error in the size and installation of the original switch, and can still be used effectively. It is convenient for promotion and sales as a commodity. The raw materials, processing methods and processing equipment used are very simple, and are suitable for production in factories of various sizes.

Description

Domestic gas main switch locking device

The invention relates to a household article for daily use, light industrial products, in particular to a device for safely using gas, which can be used for a household gas main switch and switches of the same type on other pipelines, is locked when the switch is closed, and can be locked when necessary for household gas to prevent random opening, waste or safety accidents. It is necessary for families with naughty children or burnt old people. In a public kitchen, disputes and misunderstandings of neighbors on using the gas can be avoided, and the gas can be locked when the whole family leaves home for a long time, so that the safety is ensured. The device can be used for locking a main switch on public tap water, sand filtration equipment in public places and public gas in hospitals to realize timed opening and timed closing, so that the device has wide application.

The device is not required to be installed, any modification or processing of the original switch or pipeline is not required, certain errors are allowed to exist in parts and assembly of the original switch, and effective use of the device is not affected, so that the device can be sold as a commodity.

In order to facilitate the manufacture and reduce the cost, the device is designed into a single part, and each part of the part is as follows: as shown in figure one (a), a [ 2 ] slot. As shown in fig. one (b), the opening slot [ 1 ], the locking hole [ 3 ], is a through hole passing through the wall of the second layer, and the imaginary position line of the switch wrench [ 4 ].

The use method and the locking principle are as follows: and closing the switch to enable the switch wrench to be perpendicular to the central line of the pipeline. The device is sleeved, so that the upper edge of the switch wrench is contacted with the upper wall of the inner cavity of the device, and the lock ring of the padlock is inserted into the lock hole to be locked. The opening groove (1) is forked on the pipeline of the switch fixing piece, so that the device cannot rotate. The switch wrench is sleeved in the slot (2) and can not rotate, and the switch can not be opened. If the device needs to be taken down, the lower edge of the switch wrench is blocked by the lock ring which penetrates into the lock hole of the device because the lock hole (3) is obliquely arranged below one side of the switch wrench (4). Thus, the padlock must be opened and the shackle removed to remove the device from the switch before the switch can be opened. The design of the device is carefully considered in terms of shape, use, stiffness and processing.

The material of the device can be metal sheet such as low carbon steel sheet or plastic. Different moulds, machines and processing methods are adopted according to different materials, but the equipment is simple, and the method is suitable for factory production of various scales.

The device has various designs such as a first drawing, a second drawing, a third drawing and the like, has the same size and principle, and can select one of the materials and processing methods according to different materials.

Claims

1. A locking device for a household gas main switch (a small-sized plug valve) can also be used for switches (or valves) of the same type on other pipelines. When the switch is closed, the device is put to the working position and locked by the lock. The switch mount limits the device from rotating. The device limits the rotary member of the switch (or valve) so that the rotary member cannot rotate. The lock keeps the device in the working position and cannot be removed. The switch (or valve) cannot be opened. After unlocking, the device can be moved out of the working position and the switch (or valve) can be opened.

2. A household gas main switch (small plug valve) locking device as claimed in claim 1, characterized in that the function of the device is determined by the position, i.e. the device plays a limiting role in the working position. The switch (or valve) cannot be opened. The device is not in the working position and is not limiting. The switch (or valve) may be opened.

3. A household gas main switch (small plug valve) locking device as claimed in claim 1, characterized in that the device is restricted by the switch (or valve) fixing part and can not rotate in the working position. The device is not in the working position and can rotate without being limited by the fixing part of the switch (or the valve).

4. A locking device for a domestic gas main switch (small stopcock) as claimed in claim 1, wherein the device in the operating position limits the rotary member of the switch (or valve) so that it cannot rotate. The device is not in the working position, the rotating part of the switch (or the valve) is not limited, and the rotating part can rotate.

5. A household gas main switch (small stopcock) locking device as claimed in claim 1, characterized in that the lock is such as to keep the device in the working position, unable to be removed. After unlocking, the device can be moved out of the operating position.

6. The locking device according to claims 1, 2, 3, 4, 5, respectively, is equally applicable to the same type of pipe switch (or valve) as the main household gas switch (small plug valve).