Electromagnetic water meter with detachable battery

Abstract

The utility model discloses an electromagnetic water meter with a detachable battery, and belongs to the technical field of water meters. The defects that in the prior art, a battery of an electromagnetic water meter is inconvenient to replace, the waterproof grade of the electromagnetic water meter is prone to being affected when the battery is replaced, and a wire harness in the electromagnetic water meter is prone to being affected are overcome. The water meter mainly comprises a water meter body and a power source, an outer shell is installed on the water meter body, a connecting shell protruding outwards is installed at one end of the top of the outer shell, a power jack is formed in the bottom of the connecting shell, a flange plate is installed at the position, on the periphery of the connecting shell, of the outer shell, and a plurality of upper threaded holes are formed in the flange plate at intervals; the power source comprises a power source shell, a battery is installed in the power source shell, a power plug which extends out of the power source shell and is matched with the power jack is installed at the top of the power source shell, a plurality of lower threaded holes corresponding to the upper threaded holes one to one are formed in the top face of the power source shell at intervals, and the upper threaded holes and the lower threaded holes are connected through bolts.

Description

Technical Field

[0001] The utility model belongs to the technical field of water meters, and particularly relates to an electromagnetic water meter with a detachable battery. Background Art

[0002] Electromagnetic water meters are widely used. Generally, an electromagnetic water meter is provided with a battery installation chamber for installing a battery. A sealing plate is detachably installed outside the battery installation chamber. The sealing plate needs to be very tightly sealed, and the battery often also needs to be treated with glue for waterproofing in the battery chamber to ensure the high waterproof requirements of the electromagnetic water meter. The high waterproof requirements of the electromagnetic water meter and the battery waterproof measures, while improving the waterproof level of the electromagnetic water meter, also have the problems that the battery is not convenient to replace, and the waterproof level of the electromagnetic water meter is likely to decrease after the battery is replaced. Summary of the Invention

[0003] The purpose of the utility model is to provide an electromagnetic water meter that is convenient for replacing the battery, so as to overcome the defects in the prior art that the electromagnetic water meter is not convenient to replace the battery, and it is easy to affect the waterproof level of the electromagnetic water meter and the wiring harness inside the electromagnetic water meter when replacing the battery.

[0004] The utility model is realized by adopting the following technical solutions. An electromagnetic water meter with a detachable battery includes a water meter body and a power supply. An outer housing is installed on the water meter body. One end of the top of the outer housing is provided with a connecting housing protruding outward. A power jack is opened at the bottom of the connecting housing. A flange plate is installed on the outer housing around the connecting housing. A plurality of upper threaded holes are spacedly opened on the flange plate. The power supply includes a power supply housing. A battery is installed in the power supply housing. A power plug extending outside the power supply housing and matching with the power jack is installed on the top of the power supply housing. A plurality of lower threaded holes corresponding to the upper threaded holes one by one are spacedly opened on the top surface of the power supply housing. The upper threaded holes and the lower threaded holes are connected by bolts.

[0005] Further, a first boss is installed on the power supply housing. A first sealing groove in a ring shape is opened on the first boss. A first sealing ring is installed in the first sealing groove.

[0006] Further, a second boss is installed on the first boss. The power plug is installed on the second boss. A second sealing groove in a ring shape is opened on the second boss. A second sealing ring is installed in the second sealing groove.

[0007] Further, a rubber pad is installed on the top surface of the power supply housing.

[0008] Further, a rubber gasket is installed between the bolt and the flange plate.

[0009] Further, the power supply housing is an integral housing.

[0010] Furthermore, the power supply housing is made of aluminum alloy.

[0011] Furthermore, a support plate is installed outward at the bottom of the outer housing. Four guide posts are installed on the support plate. A lifting plate is installed above the support plate. Guide holes corresponding to the guide posts one by one are formed on the lifting plate. The guide posts pass through the guide holes. A lifting threaded hole is formed in the middle of the support plate. A lead screw is inserted into the lifting threaded hole. The top of the lead screw abuts against the bottom surface of the lifting plate.

[0012] Furthermore, a limit groove for cooperating with the power supply housing is formed on the top surface of the lifting plate, and the power supply housing can be placed in the limit groove.

[0013] Furthermore, a fixing nut is fixedly installed on the lower side of the lead screw.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] By installing an independent power supply outside the water meter body, when the battery runs out of power, only the independent power supply needs to be replaced, instead of, like the electromagnetic water meter in the prior art, opening the sealing plate on the battery chamber of its outer housing to replace the battery separately. The battery replacement of the present utility model is simpler. When replacing the battery, basically only the first sealing ring, the second sealing ring, the rubber pad and the rubber gasket need to be replaced, and it will not affect the overall waterproof performance of the electromagnetic water meter. Since the power supply is directly connected to the jack on the connection housing through the plug thereon, the internal wire harness of the electromagnetic water meter will not be affected when replacing the power supply, thereby well ensuring the stability of the electromagnetic water meter. Description of the Drawings

[0016] Figure 1 is a perspective view of the present utility model;

[0017] Figure 2 is a schematic diagram of the power supply 2 of the present utility model;

[0018] Figure 3 is a schematic diagram of the present utility model when the lifting plate 21 is installed;

[0019] Figure 4 is Figure 3 a schematic diagram of the present utility model when the power supply 2 is not installed.

[0020] In the figure: 1, water meter body; 2, power supply; 3, outer housing; 4, connecting housing; 5, flange plate; 6, upper threaded hole; 7, power supply housing; 8, power supply plug; 9, lower threaded hole; 10, bolt; 11, first boss; 12, first sealing groove; 13, first sealing ring; 14, second boss; 15, second sealing groove; 16, second sealing ring; 17, rubber pad; 18, rubber gasket; 19, support plate; 20, guide post; 21, lifting plate; 22, lead screw; 23, limit groove; 24, fixing nut; 25, lifting threaded hole. Specific embodiments

[0021] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0022] An electromagnetic water meter with a detachable battery includes a water meter body 1 and a power supply 2. An outer housing 3 is installed on the water meter body 1. One end at the top of the outer housing 3 is provided with a protruding connecting housing 4. A power supply jack is opened at the bottom of the connecting housing 4. The power supply 2 includes a power supply housing 7. A power supply plug 8 that extends outside the power supply housing 7 and is matched with the power supply jack is installed at the top of the power supply housing 7. The power supply plug 8 on the power supply 2 is matched with the power supply jack and inserted into the power supply jack to provide electrical energy for the electromagnetic water meter.

[0023] The outer housing 3 is provided with a flange plate 5 on the outer periphery of the connecting housing 4. A plurality of upper threaded holes 6 are spacedly opened on the flange plate 5. A plurality of lower threaded holes 9 corresponding to the upper threaded holes 6 one by one are spacedly opened on the top surface of the power supply housing 7. The upper threaded holes 6 and the lower threaded holes 9 are connected by bolts 10. The power supply housing 7 is fixedly connected to the flange plate 5 through the bolts 10, thereby realizing the fixed connection between the power supply housing 7 and the connecting housing 4.

[0024] The power supply housing 7 is an integral housing. The power supply housing 7 is made of aluminum alloy and can be formed into a sealed housing by means such as welding and die casting. The battery is installed in the housing. The integral power supply housing 7 can provide very good waterproof performance.

[0025] A first boss 11 is installed on the power supply housing 7. A ring-shaped first sealing groove 12 is formed in the first boss 11, and a first sealing ring 13 is installed in the first sealing groove 12. By providing the first boss 11 and installing the first sealing ring 13 in the first sealing groove 12, when the power supply housing 7 and the flange plate 5 are fixed together by bolts 10, the first boss 11 and the first sealing ring 13 can provide very good sealing performance, preventing water vapor from entering the power plug 8 in the middle of the power supply housing 7.

[0026] A second boss 14 is installed on the first boss 11. The power plug 8 is installed on the second boss 14. A ring-shaped second sealing groove 15 is formed in the second boss 14, and a second sealing ring 16 is installed in the second sealing groove 15. On the basis of the first boss 11, the present utility model further provides the second boss 14 and installs the second sealing ring 16 on the second boss 14, which can further improve the waterproof performance of the contact surface between the flange plate 5 and the power supply housing 7.

[0027] A rubber pad 17 is installed on the top surface of the power supply housing 7. By providing the rubber pad 17, the waterproof performance of the contact surface between the flange plate 5 and the power supply housing 7 can be improved when the power supply housing 7 and the flange plate 5 are fixed together by bolts 10.

[0028] A rubber gasket 18 is installed between the bolt 10 and the flange plate 5.

[0029] Support plates 19 are installed outward at the bottom of the outer housing 3. Four guide posts 20 are installed on the support plates 19. A lifting plate 21 is installed above the support plates 19. Guide holes corresponding to the guide posts 20 one by one are formed in the lifting plate 21, and the guide posts 20 pass through the guide holes. By providing the guide posts 20, the present utility model can play a very good guiding role for the lifting plate 21, enabling the lifting plate 21 to only move up and down.

[0030] A lifting threaded hole 25 is formed in the middle of the support plate 19. A lead screw 22 is inserted into the lifting threaded hole 25, and the top of the lead screw 22 abuts against the bottom surface of the lifting plate 21. By rotating the lead screw 22, the present utility model can make the lead screw 22 move up and down relative to the support rod. When the lead screw 22 rises, since the top of the lead screw 22 abuts against the bottom surface of the lifting plate 21, the lifting plate 21 will be driven to rise simultaneously.

[0031] A limiting groove 23 adapted to the power supply housing 7 is formed on the top surface of the lifting plate 21. The power supply housing 7 can be placed in the limiting groove 23. The limiting groove 23 can provide good limitation for the power supply 2. The size of the limiting groove 23 matches the size of the bottom surface of the power supply 2. After the power supply 2 is placed on the limiting groove 23, the lower threaded hole 9 on the top surface of the power supply housing 7 will be aligned with the upper threaded hole 6 on the flange plate 5.

[0032] The utility model can assist in replacing the power supply 2 by arranging a lifting plate 21 and a lead screw 22, and the structure of this auxiliary mechanism is simple and has high stability. When replacing the power supply 2, the power supply 2 can be first placed in the power supply 2 groove of the lifting plate 21, and then the lead screw 22 is rotated. The lead screw 22 drives the lifting plate 21 to rise until the top surface of the power supply housing 7 is in close contact with the flange plate 5. At this time, the bolts 10 are sequentially screwed into the upper threaded holes 6 and the lower threaded holes 9. By arranging structures such as the lifting plate 21 and the lead screw 22, the battery replacement of the utility model is made simpler and more convenient.

[0033] A fixing nut 24 is fixedly installed on the lower side of the lead screw 22. By arranging the fixing nut 24, the utility model can facilitate the rotation of the lead screw 22.

Claims

1. An electromagnetic water meter with a detachable battery, characterized in that: The water meter comprises a water meter body (1) and a power source (2), wherein an outer shell (3) is mounted on the water meter body (1), a connecting shell (4) protruding outward is mounted on one end of the top of the outer shell (3), a power socket is provided at the bottom of the connecting shell (4), a flange plate (5) is mounted on the outer periphery of the connecting shell (4), a plurality of upper threaded holes (6) are provided at intervals on the flange plate (5), the power source (2) comprises a power shell (7), a battery is mounted in the power shell (7), a power plug (8) extending out of the power shell (7) and cooperating with the power socket is mounted on the top of the power shell (7), a plurality of lower threaded holes (9) corresponding to the upper threaded holes (6) are provided at intervals on the top surface of the power shell (7), and the upper threaded holes (6) and the lower threaded holes (9) are connected by bolts (10).

2. The electromagnetic water meter with detachable battery according to claim 1, characterized in that: A first boss (11) is mounted on the power supply housing (7), a first annular sealing groove (12) is provided on the first boss (11), and a first sealing ring (13) is mounted in the first sealing groove (12).

3. The electromagnetic water meter with detachable battery according to claim 2, characterized in that: A second boss (14) is mounted on the first boss (11), the power plug (8) is mounted on the second boss (14), a second annular sealing groove (15) is provided on the second boss (14), and a second sealing ring (16) is mounted in the second sealing groove (15).

4. The electromagnetic water meter with detachable battery according to claim 1, characterized in that: A rubber pad (17) is installed on the top surface of the power supply housing (7).

5. The electromagnetic water meter with detachable battery according to claim 1, characterized in that: A rubber gasket (18) is installed between the bolt (10) and the flange plate (5).

6. The electromagnetic water meter with detachable battery according to claim 1, characterized in that: The power supply housing (7) is an integrated housing.

7. The electromagnetic water meter with detachable battery according to claim 6, characterized in that: The power supply housing (7) is made of aluminum alloy.

8. The electromagnetic water meter with detachable battery according to claim 1, characterized in that: A support plate (19) is installed outwardly at the bottom of the outer shell (3), four guide columns (20) are installed on the support plate (19), a lifting plate (21) is installed on the upper side of the support plate (19), guide holes corresponding to the guide columns (20) are provided on the lifting plate (21), the guide columns (20) pass through the guide holes, a lifting threaded hole (25) is provided in the middle of the support plate (19), a screw rod (22) is inserted into the lifting threaded hole (25), and the top of the screw rod (22) contacts the bottom surface of the lifting plate (21).

9. The electromagnetic water meter with detachable battery according to claim 8, characterized in that: The top surface of the lifting plate (21) is provided with a limiting groove (23) that matches the power supply housing (7), and the power supply housing (7) can be placed in the limiting groove (23).

10. The electromagnetic water meter with detachable battery according to claim 8, characterized in that: A fixing nut (24) is fixedly mounted on the lower side of the screw rod (22).

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