Today, I will introduce a national invention authorized patent-ultrasonic water meter that is easy to install ball valve. The patent was applied for by Tianjin Jinfeng Technology Development Co., Ltd., and the authorization was announced on July 10, 2018.
Content descriptionThe invention relates to the field of water meter devices, in particular to an ultrasonic water meter which is convenient to install a ball valve.
Background of the inventionWith the continuous promotion of smart card technology, non-contact smart cards have been widely used in public transportation, taxis, petrol and other small payment applications due to their convenience and safety. In the smart water fee charging application where the water meter and the smart card reader are integrated, the user deposits a certain amount of money in the smart card in advance. When paying, the user only needs to use the smart card. The card reader integrated with the water meter is provided according to the water meter. For water usage data, the corresponding amount is deducted from the money stored in the smart card to complete the payment process of the water fee.
At present, the ball valves of ultrasonic water meters are all side-mounted. For example, a Chinese patent discloses a stainless steel ultrasonic valve-controlled water meter detection pipe section, 2017107565066.9. Put the ball valve into the pipe section on the side, and then tighten it through a small section of pipe end. The disadvantage of this structure is that it is very inconvenient for workers to assemble the ball valve first, then the ball valve is aligned and fixed with the screw, and finally screwed Into the pipe section, it is inconvenient to operate, time-consuming and labor-intensive.
Summary of the inventionIn order to overcome the shortcomings of the prior art, the present invention provides an ultrasonic water meter that is convenient for installing a ball valve, which is convenient for assembly and disassembly, and reduces subsequent costs.
![[New patent introduction] Ultrasonic water meter for easy installation of ball valve](http://i.bosscdn.com/blog/pI/YB/AF/tFsX-AEi5hAAGc_GW3oyw249.jpg)
The figure is a schematic diagram of the structure of the invention.
In order to achieve the above object, the present invention adopts the following technical solutions: an ultrasonic water meter that is easy to install a ball valve, which is characterized in that it includes a water meter body, a valve body, a valve base, a ball valve, a left fixing seat and a right fixing seat; the valve body is installed On the water meter body, the valve body has a valve cavity communicating with the water meter body, and an inlet is provided at the bottom of the valve body. Both the left fixing seat and the right fixing seat have through holes, and the diameter of the through holes is smaller than that of the ball valve. Outer diameter, the left fixing seat is provided with a pin shaft, the right fixing seat is provided with a shaft sleeve matching with the pin shaft, the ball valve is placed between the left and right fixing seats, and the pin shaft is inserted into the shaft sleeve The ball valve and the left and right fixing seats are sealed in the valve cavity through bolt connection between the valve base and the inlet.
Compared with the prior art, this device changes the installation method of the traditional ball valve. A valve body is integrally cast in the middle of the water meter body. The valve body has a valve cavity and can be a ball valve. The device first fixes the ball valve through the left and right fixing seats. Then put them into the bottom of the valve cavity together with the valve base bolts. The ball valve can be installed quickly through the device, the overall structure is compact and beautiful, and the assembly efficiency of workers is greatly improved.
The two sides of the through hole are respectively provided with sealing rings. The sealing ring on one side is used to seal the left and right fixing seats with the side wall of the valve cavity, and the sealing ring on the other side is used to seal the left and right fixing seats with the surface of the ball valve. Sealing gaskets are arranged between the valve base and the left and right fixing seats. The gasket seals the left and right fixing seats and the valve base. Slots are respectively provided on both sides of the left and right fixing seats, and the position corresponding to the slot on the valve cavity is provided with a positioning insert plate matched with the slot. Slots and positioning inserts play a guiding role, facilitating the insertion of the left and right fixing seats into the valve cavity, improving assembly efficiency and assembly quality.
The beneficial effect of the present invention is that compared with the prior art, the device changes the installation method of the traditional ball valve. A valve body is integrally cast in the middle of the water meter body. The valve body has a valve cavity and can be used for a ball valve. After being fixed by the left and right fixing seats, they are put into the valve cavity and fixed by the valve base bolts. The ball valve can be installed quickly through the device, the overall structure is compact and beautiful, and the assembly efficiency of workers is greatly improved.
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