Water consumption detection device for water balance test

Abstract

The utility model discloses a water consumption detection device for a water balance test, which comprises a flowmeter arranged on a main pipe, one end of the main pipe is welded with a first flange, the other end of the main pipe is detachably connected with a connecting pipe, and the inner wall of the connecting pipe is slidably and hermetically connected with an inner pipe. A second flange is welded to the end, located outside the connecting pipe, of the inner pipe, the second flange is connected with the connecting pipe through a plurality of locking mechanisms, and an inner ring is fixedly connected to the inner wall of the inner pipe; according to the utility model, after the first flange is connected with one preset flange on the pipeline, the inner pipe slides on the connecting pipe, and after the second flange at the end part of the inner pipe is aligned and connected with the reserved flange on the other side of the pipeline, the connecting pipe and the inner pipe are locked by using the locking mechanism, so that the operation is simple and convenient; and the conical filter cartridge in the inner pipe can filter water to prevent impurities in the water from causing adverse effects on the flowmeter, so that the use effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of water balance testing, in particular to a water consumption detection device for water balance testing. Background Art

[0002] Water balance test is an effective method for scientific management of water users, and is also the basis for further improving urban water conservation. Its significance lies in that through water balance test, we can fully understand the status of the water network of water users, the current water use status of each part (unit), draw a water balance diagram, find out the water balance relationship and reasonable water use level based on the measured water volume data, take corresponding measures, tap the water use potential, and achieve the purpose of strengthening water management and improving the level of reasonable water use.

[0003] At present, in the process of water balance test, flow meter is usually used to detect water consumption. After searching, the patent with announcement number CN217786274U discloses a water consumption detection device for coal chemical water balance test. When in use, the impurities in the water can be filtered through the filter net, so as to prevent water from entering the rear worm wheel flow meter and causing wear to the worm wheel, thereby ensuring the service life of the worm wheel flow meter and the measurement accuracy of the worm wheel flow meter.

[0004] However, during the installation process of the above solution, since the distance between the flanges on both sides of the worm flowmeter is fixed, the accuracy requirements for the installation dimensions reserved on the pipeline are high, resulting in great limitations in the use of the device, which needs to be improved. Utility Model Content

[0005] The purpose of the utility model is to provide a water consumption detection device for water balance test to solve the problems raised in the above background technology.

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

[0007] A water consumption detection device for a water balance test comprises a flow meter installed on a main pipe, a first flange is welded at one end of the main pipe, a connecting pipe is detachably connected to the other end of the main pipe, an inner pipe is slidingly and sealingly connected to the inner wall of the connecting pipe, a second flange is welded at one end of the inner pipe outside the connecting pipe, the second flange is connected to the connecting pipe via a plurality of locking mechanisms, an inner ring is fixedly connected to the inner wall of the inner pipe, a conical filter cartridge is detachably connected to the inner ring, and filter holes are penetrated through the end face and the peripheral wall of the conical filter cartridge.

[0008] As a further solution of the utility model: the locking mechanism includes a screw rod with one end fixedly connected to the second flange, the outer wall of the screw rod is slidably sleeved with a positioning sleeve, the positioning sleeve is fixedly connected to the outer wall of the connecting pipe, and the outer walls of the screw rod on both sides of the positioning sleeve are respectively sleeved with a first nut and a second nut.

[0009] As a further solution of the utility model: a second sealing ring is embedded in the opening of the connecting pipe away from the main pipe, the end face of the connecting pipe away from the main pipe is connected to a compression ring through a first screw, the second sealing ring is fitted with an outer wall of the compression ring, the inner circumferential wall of the second sealing ring is fitted with an outer wall of the inner pipe, a third sealing ring is embedded in the outer wall of the end of the inner pipe away from the second flange, and the outer wall of the third sealing ring is fitted with the inner wall of the connecting pipe.

[0010] As a further solution of the utility model: a connecting ring is fixedly connected to the open end of the conical filter cartridge, the connecting ring is detachably connected to the inner ring by a second screw, and a fourth sealing ring is arranged between the connecting ring and the inner ring.

[0011] As a further solution of the utility model: the end of the main pipe away from the first flange is an externally threaded end, the inner wall of the connecting pipe is fixedly connected to a retaining ring, the open inner wall of one end of the connecting pipe is threadedly connected to the externally threaded end of the main pipe, the inner pipe and the main pipe are distributed on both sides of the retaining ring, and a first sealing ring is arranged between the retaining ring and the externally threaded end of the main pipe.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] In the utility model, after the first flange is connected to a preset flange on the pipeline, the inner pipe is slid on the connecting pipe to align and connect the second flange at the end of the inner pipe with the reserved flange on the other side of the pipeline, and then the connecting pipe and the inner pipe are locked using a locking mechanism. The operation is simple and convenient. When the water consumption is detected, the conical filter cartridge in the inner pipe can filter the water to prevent impurities in the water from having an adverse effect on the flow meter, and the use effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The present invention is a structural schematic diagram of a water consumption detection device for water balance test.

[0015] Figure 2 for Figure 1 Enlarged view of point A in the middle.

[0016] Figure 3 The present invention is a schematic diagram of the structure of the second flange in a water consumption detection device for a water balance test.

[0017] Among them, main pipe 1, flow meter 2, first flange 3, connecting pipe 4, retaining ring 5, first sealing ring 6, second sealing ring 7, pressure ring 8, first screw 9, positioning sleeve 10, inner pipe 11, third sealing ring 12, second flange 13, flange hole 14, screw 15, first nut 16, second nut 17, inner ring 18, connecting ring 19, fourth sealing ring 20, second screw 21, conical filter cartridge 22, filter hole 23. DETAILED DESCRIPTION

[0018] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention will be further described in detail in conjunction with the embodiments below. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0019] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0020] It should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation in the specification, and therefore cannot be understood as a limitation on the present invention.

[0021] In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features.

[0022] See also Figures 1 to 3In an embodiment of the utility model, a water consumption detection device for a water balance test comprises a flow meter 2 installed on a main pipe 1, a first flange 3 is welded at one end of the main pipe 1, a connecting pipe 4 is detachably connected to the other end of the main pipe 1, an inner pipe 11 is slidably and sealingly connected to the inner wall of the connecting pipe 4, a second flange 13 is welded at one end of the inner pipe 11 outside the connecting pipe 4, flange holes 14 are penetrated on the first flange 3 and the second flange 13, the second flange 13 is connected to the connecting pipe 4 through a plurality of locking mechanisms, an inner ring 18 is fixedly connected to the inner wall of the inner pipe 11, and a conical filter cartridge 22 is detachably connected to the inner ring 18, and filter holes 23 are penetrated on the end face and the peripheral wall of the conical filter cartridge 22.

[0023] The utility model adopts the above scheme. During the installation of the device, after the first flange 3 is connected to a preset flange on the pipeline, the inner pipe 11 is slid on the connecting pipe 4 to align and connect the second flange 13 at the end of the inner pipe 11 with the reserved flange on the other side of the pipeline. Then, the connecting pipe 4 and the inner pipe 11 are locked by using a locking mechanism. The operation is simple and convenient. After that, the valve on the measured pipeline is opened to allow water to flow in the pipeline through the main pipe 1. The water consumption can be detected by using a flow meter. Before the water flows through the main pipe 1, the conical filter cartridge 22 in the inner pipe 11 can filter the water to prevent impurities in the water from causing adverse effects on the flow meter. The use effect is good.

[0024] Specific combination Figure 1 In one embodiment of the utility model, the locking mechanism includes a screw 15 with one end fixedly connected to the second flange 13, the outer wall of the screw 15 is slidably sleeved with a positioning sleeve 10, the positioning sleeve 10 is fixedly connected to the outer wall of the connecting pipe 4, and the outer walls of the screw 15 on both sides of the positioning sleeve 10 are respectively sleeved with a first nut 16 and a second nut 17.

[0025] After the second flange 13 is connected to the preset flange on the pipeline, the first nut 16 and the second nut 17 are tightened on the screw rod 15 so that the two nuts are respectively close to the two sides of the positioning sleeve 10, so that the size of the inner tube 11 extending out of the connecting tube 4 can be locked, and the operation is simple and convenient.

[0026] Specific combination Figure 1 , Figure 2 In one embodiment of the utility model, a second sealing ring 7 is embedded in the opening of the connecting pipe 4 away from the main pipe 1, and the end face of the connecting pipe 4 away from the main pipe 1 is connected to a pressure ring 8 through a first screw 9, and the second sealing ring 7 is fitted with the outer wall of the pressure ring 8, and the inner circumferential wall of the second sealing ring 7 is fitted with the outer wall of the inner pipe 11, and the outer wall of the inner pipe 11 away from the second flange 13 is embedded with a third sealing ring 12, and the outer wall of the third sealing ring 12 is fitted with the inner wall of the connecting pipe 4.

[0027] Through the connection between the second sealing ring 7 and the third sealing ring 12 , the sealing between the connecting pipe 4 and the inner pipe 11 can be effectively ensured.

[0028] Specific combination Figure 1-3 In one embodiment of the utility model, a connecting ring 19 is fixedly connected to the open end of the conical filter cartridge 22, and the connecting ring 19 is detachably connected to the inner ring 18 by a second screw 21. A fourth sealing ring 20 is provided between the connecting ring 19 and the inner ring 18.

[0029] The use of the connecting ring 19 and the second screw 21 facilitates the disassembly and assembly of the conical filter cartridge 22 on the inner ring 18 , and the operation is simple and convenient. The provision of the fourth sealing ring 20 ensures the sealing between the inner ring 18 and the connecting ring 19 .

[0030] Specific combination Figure 1 In one embodiment of the utility model, the end of the main pipe 1 away from the first flange 3 is an external threaded end, the inner wall of the connecting pipe 4 is fixedly connected with a retaining ring 5, the inner wall of the opening at one end of the connecting pipe 4 is threadedly connected with the external threaded end of the main pipe 1, the inner pipe 11 and the main pipe 1 are distributed on both sides of the retaining ring 5, and a first sealing ring 6 is arranged between the retaining ring 5 and the external threaded end of the main pipe 1.

[0031] The threaded connection facilitates quick disassembly between the main pipe 1 and the connecting pipe 4 , and the sealing between the main pipe 1 and the connecting pipe 4 can be achieved by providing the retaining ring 5 and the first sealing ring 6 .

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A water consumption detection device for water balance test, characterized in that: The invention comprises a flow meter (2) mounted on a main pipe (1), wherein a first flange (3) is welded to one end of the main pipe (1), a connecting pipe (4) is detachably connected to the other end of the main pipe (1), an inner pipe (11) is slidably sealed to the inner wall of the connecting pipe (4), a second flange (13) is welded to the end of the inner pipe (11) located outside the connecting pipe (4), the second flange (13) is connected to the connecting pipe (4) via a plurality of locking mechanisms, an inner ring (18) is fixedly connected to the inner wall of the inner pipe (11), and a conical filter cartridge (22) is detachably connected to the inner ring (18), and filter holes (23) are provided through the end surface and the peripheral wall of the conical filter cartridge (22).

2. The water consumption detection device for water balance test according to claim 1, characterized in that: The locking mechanism comprises a screw rod (15) having one end fixedly connected to the second flange (13); a positioning sleeve (10) is slidably sleeved on the outer wall of the screw rod (15); the positioning sleeve (10) is fixedly connected to the outer wall of the connecting pipe (4); and the outer walls of the screw rod (15) located on both sides of the positioning sleeve (10) are respectively sleeved with a first nut (16) and a second nut (17).

3. The water consumption detection device for water balance test according to claim 1, characterized in that: A second sealing ring (7) is embedded in the opening of the end of the connecting pipe (4) away from the main pipe (1); the end surface of the connecting pipe (4) away from the main pipe (1) is connected to a pressure ring (8) via a first screw (9); the second sealing ring (7) is in contact with the outer wall of the pressure ring (8); the inner circumferential wall of the second sealing ring (7) is in contact with the outer wall of the inner pipe (11); a third sealing ring (12) is embedded in the outer wall of the end of the inner pipe (11) away from the second flange (13); the outer wall of the third sealing ring (12) is in contact with the inner wall of the connecting pipe (4).

4. The water consumption detection device for water balance test according to claim 1 is characterized in that: The opening end of the conical filter cartridge (22) is fixedly connected to a connecting ring (19), the connecting ring (19) is detachably connected to the inner ring (18) via a second screw (21), and a fourth sealing ring (20) is provided between the connecting ring (19) and the inner ring (18).

5. The water consumption detection device for water balance test according to claim 1, characterized in that: The end of the main pipe (1) away from the first flange (3) is an externally threaded end, the inner wall of the connecting pipe (4) is fixedly connected with a retaining ring (5), the inner wall of the opening at one end of the connecting pipe (4) is threadedly connected to the externally threaded end of the main pipe (1), the inner pipe (11) and the main pipe (1) are distributed on both sides of the retaining ring (5), and a first sealing ring (6) is provided between the retaining ring (5) and the externally threaded end of the main pipe (1).

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