Waterproof sealing connection structure of NB-IoT wireless remote water meter

Abstract

The utility model relates to the technical field of water meters, and discloses an NB-IoT wireless remote water meter waterproof sealing connection structure which comprises a shell and a communication valve, the lower surface of the shell is rotationally connected with a slotted plate, the lower surface of the slotted plate is fixedly connected with a sealing gasket, the interiors of the slotted plate and the sealing gasket are both slidably connected with a first sliding rod, and a second sliding rod is fixedly connected with the communication valve. The outer wall of the first sliding rod is fixedly connected with a second sliding rod, the outer wall of the second sliding rod is slidably connected to the interior of the shell, the top end of the first sliding rod is fixedly connected with a spring, the outer wall of the spring is fixedly connected to the inner wall of the shell, and the lower surface of the first sliding rod is fixedly connected with a clamping block. According to the communication valve, the clamping block is inserted into the limiting groove, the spring rebounds to drive the clamping block to slide, installation is completed, the grooving plate is rotated to drive the first sliding rod to slide, the first sliding rod drives the clamping block to slide, and at the moment, the clamping block can be pulled out, so that installation or detachment of the shell and the communication valve is rapidly completed, and internal overhaul of the communication valve is facilitated; and the operation is simple.

Description

TECHNICAL FIELD

[0001] The utility model relates to water gauge technical field especially relates to NB - IoT wireless remote water gauge waterproof sealing connection structure. BACKGROUND

[0002] Water gauge is a kind of instrument for measuring water flow, and the main role is to measure the volume of water through pipeline. Whether in family, industry or commercial environment, water gauge plays a key role, which can help water supply department to accurately calculate the water consumption of user to carry out reasonable charging, and also let user clear own water consumption, to achieve the purpose of saving water etc.

[0003] Now the variety of water gauge is various, and NB - IoT (Narrow Band - Internet of Things) wireless remote water gauge is a new type of water gauge. It integrates narrowband internet of things communication technology on the basis of traditional water gauge, and can transmit the data (such as water consumption, water pressure, water temperature and other information) of water gauge to data center or management platform through wireless communication network.

[0004] When NB - IoT wireless remote water gauge is used, the communication valve needs to be connected with water pipe, and then the metering component is installed on the communication valve, but usually the installation connection of metering component and communication valve is troublesome, needs professional installation operation, and if it needs to be repaired and disassembled, it is also inconvenient. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides NB - IoT wireless remote water gauge waterproof sealing connection structure, aims at improving the problem that the installation connection of metering component and communication valve is usually troublesome, needs professional installation operation, and if it needs to be repaired and disassembled, it is also inconvenient.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] NB - IoT wireless remote water gauge waterproof sealing connection structure, including shell and communication valve, the lower surface of shell is rotatably connected with the slotted plate, the lower surface of slotted plate is fixedly connected with the sealing gasket, the inside of slotted plate and sealing gasket is slidably connected with the slide rod one, the outer wall of slide rod one is fixedly connected with the slide rod two, the outer wall of slide rod two is slidably connected in the inside of shell, the top of slide rod one is fixedly connected with the spring, the outer wall of spring is fixedly connected on the inner wall of shell, the lower surface of slide rod one is fixedly connected with the clamping block, the inside of communication valve is provided with the limiting slot, the outer wall of clamping block is arranged in the inside of limiting slot, the inside of shell is provided with metering assembly, and the metering assembly is used to measure water volume.

[0008] Preferably, the metering assembly comprises a support frame, one end of the support frame is fixedly connected to the inner wall of the shell, the other end of the support frame is rotatably connected with the flow meter, and the outer wall of the shell is provided with a transmitter.

[0009] Preferably, the inside of the slotted plate is rotatably connected with a support ring, the inside of the support ring is rotatably connected with a cylinder, and the upper surface of the cylinder is fixedly connected to the lower surface of the flow meter.

[0010] Preferably, the lower surface of the cylinder is rotatably connected with a rotating ring.

[0011] Preferably, the upper surface of the rotating ring is provided with a threaded protrusion, and the outer wall of the threaded protrusion is slidably connected with a sliding rod three.

[0012] Preferably, the top end of the sliding rod three is fixedly connected with a clamping rod, and the outer wall of the clamping rod is slidably connected in the inside of the cylinder.

[0013] Preferably, the outer wall of the clamping rod is fixedly connected with a clamping plate, and the outer wall of the clamping plate is provided with a rotating shaft.

[0014] Preferably, the lower surface of the rotating shaft is fixedly connected with an impeller, and the outer wall of the impeller is located in the inside of the communication valve.

[0015] Preferably, the outer wall of the rotating ring is provided with a limiting tooth, the outer wall of the limiting tooth is provided with a rotating pin, and the outer wall of the rotating pin is rotatably connected to the outer wall of the cylinder.

[0016] The utility model has the advantages of the following beneficial effects:

[0017] 1、the utility model discloses a clamping block is inserted into the inside of the limiting slot, and the spring rebound drives the clamping block to slide, and the installation is completed, and the slotted plate can drive the sliding rod one to slide, and the sliding rod one drives the clamping block to slide, at this time, the clamping block can be pulled out, thereby realizing the installation or dismounting of the shell and the communication valve quickly, facilitating the internal overhaul of the communication valve, and the operation is simple.

[0018] 2、the utility model discloses that the rotating ring can drive the sliding rod three to slide, and the sliding rod three drives the clamping plate to slide through the clamping rod, can realize the replacement of the rotating shaft, and can adapt to the rotating shaft of different sizes, and the cooperation of the rotating pin and the limiting tooth can prevent the cylinder and the rotating ring from loosening and prevent the rotating shaft from falling off under the impact of water flow. ACCURACY

[0019] Figure 1 It is a perspective view of the NB-IoT wireless remote water meter waterproof sealing connection structure provided by the utility model;

[0020] Figure 2The utility model provides a NB-IoT wireless remote transmission water meter waterproof sealing connection structure's shell internal structure section view schematic drawing is provided in the utility model.

[0021] Figure 3 The utility model provides a NB-IoT wireless remote transmission water meter waterproof sealing connection structure's communication valve internal structure section view schematic drawing is provided in the utility model.

[0022] Figure 4 The utility model provides a NB-IoT wireless remote transmission water meter waterproof sealing connection structure's cylinder internal structure section view schematic drawing.

[0023] Legend:

[0024] 1, shell, 2, communication valve, 3, slot board, 4, sealing gasket, 5, sliding rod one, 6, sliding rod two, 7, spring, 8, clamping block, 9, limit groove, 10, support frame, 11, flowmeter, 12, transmitter, 13, support ring, 14, cylinder, 15, rotating ring, 16, threaded protrusion, 17, sliding rod three, 18, clamping rod, 19, clamping plate, 20, rotating shaft, 21, impeller, 22, limit tooth, 23, rotating pin. Specific implementation

[0025] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0026] Reference Figures 1-3 An embodiment provided by the utility model: a NB-IoT wireless remote transmission water meter waterproof sealing connection structure, including shell 1 and communication valve 2, the lower surface of shell 1 is rotatably connected with slot board 3, the lower surface of slot board 3 is fixedly connected with sealing gasket 4, the inside of slot board 3 and sealing gasket 4 is slidably connected with sliding rod one 5, the outer wall of sliding rod one 5 is fixedly connected with sliding rod two 6, the outer wall of sliding rod two 6 is slidably connected in the inside of shell 1, the top of sliding rod one 5 is fixedly connected with spring 7, the outer wall of spring 7 is fixedly connected in the inner wall of shell 1, the lower surface of sliding rod one 5 is fixedly connected with clamping block 8, the inside of communication valve 2 is provided with limit groove 9, the outer wall of clamping block 8 is arranged in the inside of limit groove 9, the inside of shell 1 is provided with metering assembly, and the metering assembly is used to measure water volume.

[0027] Specifically, the inside of the slotted plate 3 is provided with a sliding groove, the inside of the sealing gasket 4 is also provided with a sliding groove, the sliding rod one 5 penetrates the sliding groove, the clamping block 8 is inserted into the inside of the limiting groove 9, the clamping block 8 slides outward first, when the clamping block 8 completely enters the limiting groove 9, the spring 7 rebounds to drive the sliding rod one 5 to slide to the middle, the sliding rod one 5 drives the clamping block 8 to slide, the tip of the clamping block 8 is clamped in the inside of the limiting groove 9, and the installation is completed. When the slotted plate 3 is rotated, the sliding rod one 5 slides through the sliding groove of the slotted plate 3, the sliding rod one 5 drives the clamping block 8 to slide, the shell 1 can be separated from the communication valve 2, the sliding rod two 6 can limit the sliding of the sliding rod one 5, and the sealing gasket 4 can seal the connection between the shell 1 and the communication valve 2.

[0028] With reference to Figure 1 and Figure 2 , the metering assembly comprises a support frame 10, one end of the support frame 10 is fixedly connected to the inner wall of the shell 1, and the other end of the support frame 10 is rotatably connected with a flow meter 11. The outer wall of the shell 1 is provided with a transmitter 12.

[0029] Specifically, the support frame 10 can support the rotation of the flow meter 11, the number of rotations of the flow meter 11 is measured, and then a series of transmission and calculation mechanisms are used to obtain the volume of water flowing through the water meter. Through the communication module built-in the transmitter 12, the data of the water meter such as water consumption and water pressure can be transmitted to a remote server or management platform in a wireless manner.

[0030] With reference to Figure 3 and Figure 4 , the inside of the slotted plate 3 is provided with a sliding groove, the inside of the sealing gasket 4 is also provided with a sliding groove, the sliding rod one 5 penetrates the sliding groove, the clamping block 8 is inserted into the inside of the limiting groove 9, the clamping block 8 slides outward first, when the clamping block 8 completely enters the limiting groove 9, the spring 7 rebounds to drive the sliding rod one 5 to slide to the middle, the sliding rod one 5 drives the clamping block 8 to slide, the tip of the clamping block 8 is clamped in the inside of the limiting groove 9, and the installation is completed. When the slotted plate 3 is rotated, the sliding rod one 5 slides through the sliding groove of the slotted plate 3, the sliding rod one 5 drives the clamping block 8 to slide, the shell 1 can be separated from the communication valve 2, the sliding rod two 6 can limit the sliding of the sliding rod one 5, and the sealing gasket 4 can seal the connection between the shell 1 and the communication valve 2.

[0031] Specifically, the lower surface of the shaft 20 is provided with the impeller 21, when the water flow impacts the impeller 21, the impeller 21 drives the shaft 20 to rotate, the shaft 20 drives the cylinder 14 to rotate through the clamping plate 19 and the clamping rod 18, the cylinder 14 drives the flow meter 11 to rotate, and the metering starts. When the rotating ring 15 is rotated, the rotating ring 15 drives the sliding rod three 17 to slide through the threaded protrusion 16, the sliding rod three 17 drives the clamping rod 18 to slide, the cylinder 14 can support the sliding of the clamping rod 18, and the sliding of the clamping plate 19 can control the fixing or disassembly of the shaft 20.

[0032] Referring to Figure 4 The outer wall of the rotating ring 15 is provided with limiting teeth 22, the outer wall of the limiting teeth 22 is provided with a rotating pin 23, and the outer wall of the rotating pin 23 is rotationally connected to the outer wall of the cylinder 14.

[0033] Specifically, when the rotating pin 23 is located between the limiting teeth 22, the cylinder 14 is relatively fixed with the rotating ring 15, and when the rotating pin 23 is rotated upward, the rotating ring 15 can be rotated at this time to install and dismount the rotating shaft 20.

[0034] Working principle: when using the structure, first connect the two joints on both sides of the communication valve 2 with the water pipe, then place the shell 1 on the upper surface of the communication valve 2, press the shell 1 downward to make the clamping block 8 inserted into the inside of the limiting groove 9, after the clamping block 8 completely enters the inside of the limiting groove 9, the spring 7 rebounds to drive the sliding rod 1 5 to slide, the sliding rod 1 5 drives the clamping block 8 to slide, the clamping block 8 is clamped in the inside of the limiting groove 9, and the installation is completed. The water flow drives the impeller 21 to rotate, the impeller 21 drives the cylinder 14 to rotate through the rotating shaft 20, and the cylinder 14 drives the flowmeter 1 1 to rotate to start metering. When dismounting is needed, the slotted plate 3 is rotated to drive the sliding rod 1 5 to slide, the sliding rod 2 6 limits the sliding of the sliding rod 1 5, the sliding rod 1 5 drives the clamping block 8 to slide, and the clamping block 8 slides outward. After that, the clamping block 8 can be pulled out from the inside of the limiting groove 9. When the rotating shaft 20 needs to be replaced, the rotating ring 15 is rotated to drive the sliding rod 3 1 7 to slide through the threaded protrusion 1 6, the sliding rod 3 1 7 drives the clamping rod 1 8 to slide outward, so that the clamping plate 1 9 loosens the clamping and fixing of the rotating shaft 20, and the rotating shaft 20 can be pulled out from the lower side. Subsequently, a new rotating shaft 20 is inserted between the clamping plates 1 9, the rotating ring 1 5 is reversely rotated to fix and connect the rotating shaft 20 and the cylinder 1 4, the rotating ring 1 5 is prevented from loosening through the cooperation of the rotating pin 23 and the limiting teeth 22, and the clamping plate 1 9 is prevented from being separated from the rotating shaft 20 due to water flow impact. The structure not only can quickly install the shell 1 and the communication valve 2, but also is relatively simple to dismount, and is convenient for replacing rotating shafts 20 of different sizes.

[0035] Finally, it should be noted that: the above only describes preferred embodiments of the present application, and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to some technical features, as long as they are within the spirit and principles of the present application. Any modification, equivalent replacement, improvement, etc. made within the scope of the present application shall be included in the protection scope of the present application.

Claims

1. A waterproof sealing connection structure of NB-IoT wireless remote water meter, comprising a shell (1) and a communication valve (2), characterized in that: The lower surface of the shell (1) is rotationally connected with a slotted plate (3), the lower surface of the slotted plate (3) is fixedly connected with a sealing gasket (4), the interiors of the slotted plate (3) and the sealing gasket (4) are slidably connected with a slide rod one (5), the outer wall of the slide rod one (5) is fixedly connected with a slide rod two (6), the outer wall of the slide rod two (6) is slidably connected in the interior of the shell (1), the top end of the slide rod one (5) is fixedly connected with a spring (7), the outer wall of the spring (7) is fixedly connected with the inner wall of the shell (1), the lower surface of the slide rod one (5) is fixedly connected with a clamping block (8), the interior of the communication valve (2) is provided with a limiting groove (9), the outer wall of the clamping block (8) is arranged in the interior of the limiting groove (9), the interior of the shell (1) is provided with a metering assembly, and the metering assembly is used for metering water quantity.

2. The NB-IoT wireless remote water meter waterproof sealing connection structure according to claim 1, characterized in that: The metering assembly comprises a supporting frame (10), one end of the supporting frame (10) is fixedly connected with the inner wall of the shell (1), and the other end of the supporting frame (10) is rotationally connected with a flowmeter (11).

3. The waterproof sealed connection structure of NB-IoT wireless remote water meter according to claim 1, characterized in that: The interior of the slotted plate (3) is rotationally connected with a supporting ring (13), the interior of the supporting ring (13) is rotationally connected with a cylinder (14), and the upper surface of the cylinder (14) is fixedly connected with the lower surface of the flowmeter (11).

4. The NB-IoT wireless remote water meter waterproof sealing connection structure according to claim 3, characterized in that: The lower surface of the cylinder (14) is rotationally connected with a rotating ring (15).

5. The NB-IoT wireless remote water meter waterproof sealing connection structure according to claim 4, characterized in that: The upper surface of the rotating ring (15) is provided with a threaded protrusion (16), and the outer wall of the threaded protrusion (16) is slidably connected with a slide rod three (17).

6. The NB-IoT wireless remote water meter waterproof sealing connection structure according to claim 5, characterized in that: The top end of the slide rod three (17) is fixedly connected with a clamping rod (18), and the outer wall of the clamping rod (18) is slidably connected in the interior of the cylinder (14).

7. The NB-IoT wireless remote water meter waterproof sealing connection structure according to claim 6, characterized in that: The outer wall of the clamping rod (18) is fixedly connected with a clamping plate (19), and the outer wall of the clamping plate (19) is provided with a rotating shaft (20).

8. The NB-IoT wireless remote water meter waterproof sealing connection structure according to claim 7, characterized in that: The lower surface of the rotating shaft (20) is fixedly connected with an impeller (21), and the outer wall of the impeller (21) is located in the interior of the communication valve (2).

9. The NB-IoT wireless remote water meter waterproof sealing connection structure according to claim 7, characterized in that: The outer wall of the rotating ring (15) is provided with a limiting tooth (22), the outer wall of the limiting tooth (22) is provided with a rotating pin (23), and the outer wall of the rotating pin (23) is rotationally connected with the outer wall of the cylinder (14).

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