Water meter with waterproof structure

Abstract

A water meter with a waterproof structure comprises a base meter and a meter shell arranged on the base meter, the base meter is provided with a switch valve, the meter shell comprises a shell body and a cover plate which are detachably connected, the shell body is arranged on the base meter in a sleeving mode and detachably connected with the base meter, and the two opposite sides of the meter shell are provided with an installation bin and an installation chamber matched with the switch valve respectively; a waterproof shell is arranged in the mounting bin, an electric actuator is arranged in the waterproof shell, the outer side of the mounting bin is covered with the cover plate, and the cover plate and the mounting bin are in sealed connection through a first sealing ring; the electric actuator is provided with an actuating part, the actuating part sequentially penetrates through the waterproof shell and the shell body and is connected with the switch valve, and the space between the outer surface of the electric actuator and the inner surface of the waterproof shell is filled with an adhesive. According to the utility model, the electric actuator with the waterproof shell is arranged in the meter shell, and through the sealing of the cover plate and the mounting bin and the waterproof effect of the waterproof shell, the electric actuator can be well sealed and protected, and the phenomenon of rusting of metal parts of the electric actuator is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to water meter technical field, specifically is a water meter with waterproof structure. BACKGROUND

[0002] The intelligent water meter is a device for measuring and recording the water quantity through the pipeline, and is widely applied to the metering of domestic, commercial and industrial water. The meter shell and the electric actuator are one of the main components of the intelligent water meter, the meter shell is installed on the base meter, the electric actuator is installed in the meter shell, the executing part of the electric actuator passes through the meter shell and is connected with the valve of the base meter, and the opening and closing of the valve are controlled.

[0003] The electric actuator of the existing intelligent water meter is directly installed in the meter shell, the sealing property of the meter shell is poor, and when being used for a long time, the electric actuator is prone to the phenomenon of moisture and water, which causes the metal parts of the electric actuator to rust, affects the service life, and may appear the phenomenon of being stuck, so that the valve cannot be normally opened and closed. INVENTION CONTENTS

[0004] In order to solve the technical problems in the above background art, the utility model provides a water meter with waterproof structure.

[0005] The utility model technical scheme is as follows:

[0006] A water meter with waterproof structure, including base meter and setting its metering mechanism and meter shell, the base meter has a switch valve, the meter shell includes a detachable shell body and a cover plate, the shell body is sleeved on the base meter and is detachably connected with the base meter, the meter shell is provided with an installation bin and an installation chamber matched with the switch valve on the opposite sides, the installation chamber is provided with a through hole communicated with the installation bin at the bottom, the switch valve is located in the through hole, and the installation bin is provided away from the base meter;

[0007] A waterproof shell is arranged in the installation bin, an electric actuator is arranged in the waterproof shell, the cover plate is arranged on the outside of the installation bin, and the cover plate is sealingly connected with the installation bin through a first sealing ring.

[0008] The electric actuator has an executing part, the executing part passes through the waterproof shell and the shell body in sequence and is connected with the switch valve, and an adhesive is filled between the outer surface of the electric actuator and the inner surface of the waterproof shell.

[0009] The electric actuator with the waterproof shell is arranged in the meter shell, the sealing of the cover plate and the installation bin and the waterproof effect of the waterproof shell can better seal and protect the electric actuator, reduce the rusting of the metal parts of the electric actuator, and the waterproof shell and the meter shell can be fixedly connected at different positions and stably install the electric actuator in the meter shell.

[0010] The structure for the stable connection of the aforementioned waterproof shell within the installation chamber is as follows: each of the four corners of the installation chamber is provided with a connecting seat; the outer periphery of the waterproof shell is provided with a groove that fits the connecting seat; the waterproof shell is provided with a connector corresponding to the groove; the groove provides space for the connecting seat, facilitating the installation of the connecting seat at multiple locations within the installation chamber; one end of the connector extends through the waterproof shell into the groove and is detachably connected to the connecting seat; through the connection seat and the connector, the waterproof shell is stably installed within the installation chamber.

[0011] To further improve the sealing effect of the contact area between the waterproof shell and the shell body, the lower end face of the waterproof shell is sealed to the outer periphery of the through hole through a first sealing element.

[0012] The first sealing element is made of rubber. To prevent wrinkles from forming when the first sealing element is installed between the waterproof shell and the shell body, and to ensure that its sealing performance is not affected, an annular groove is provided on the lower end face of the waterproof shell. The first sealing element is a sealing ring. The arc length corresponding to the cross section of the annular groove is less than half of the arc length corresponding to the cross section of the first sealing element. The sealing ring is installed in the annular groove and protrudes outside the annular groove for sealing contact with the outer periphery of the through hole of the shell body.

[0013] The connection structure between the aforementioned switching valve and the actuator is as follows: the end of the switching valve near the waterproof housing is provided with a female groove, and the end of the actuator is provided with a male head that is adapted to the female groove. The male head and the female groove are connected by insertion.

[0014] The specific structure of the mother groove is that it is a rectangular structure and extends through the radial direction of the switch valve.

[0015] Regarding the structure of the waterproof housing, the waterproof housing includes a matching waterproof bottom shell and a waterproof cover. The electric actuator is installed inside the waterproof bottom shell. The waterproof bottom shell has an upper port on the side away from the through hole. The waterproof cover is detachably connected to the upper port, and a second sealing ring is provided between the waterproof cover and the upper port. The second sealing ring can seal the waterproof housing.

[0016] The beneficial effects of this utility model are as follows:

[0017] The mounting compartment of the housing is used to install components such as electric actuators and batteries. The electric actuator is equipped with a waterproof shell with moisture-proof and waterproof functions. The waterproof shell is filled with an adhesive for sealing the electric support. The adhesive utilizes its properties to seal and protect the electric actuator after solidification.

[0018] The cover plate is placed on the outside of the installation chamber, and the cover plate and the installation chamber are sealed together by the first sealing ring, which can work with the waterproof shell to provide further sealing protection for the electric actuator and other components.

[0019] The first seal is installed between the waterproof shell and the shell body to reduce the entry of water vapor from the outside of the watch case into the waterproof shell. To ensure that the first seal is installed without wrinkles and to prevent any impact on its sealing performance, an annular groove is provided on the lower end face of the waterproof shell. The arc length of the cross section of the annular groove is less than half the arc length of the cross section of the first seal. The sealing ring is installed in the annular groove, and the other side of the sealing ring can be exposed outside the annular groove.

[0020] The mounting chamber is used to connect to the switch valve of the external base meter. The switch valve can be directly inserted into the mounting chamber. The switch valve is located near the through hole and can be connected to the electric actuator installed in the mounting chamber. The end of the switch valve near the waterproof shell has a female groove with a rectangular structure. The end of the actuator has a male head that is adapted to the female groove. The male head is inserted into the female groove for connection. Attached Figure Description

[0021] In the attached diagram:

[0022] Figure 1 This is a structural diagram;

[0023] Figure 2 This is a top view;

[0024] Figure 3 for Figure 2 A schematic diagram of the AA-direction cross-section structure;

[0025] Figure 4 for Figure 3 Enlarged structural diagram at point A in the middle;

[0026] Figure 5 This is a schematic diagram of the first structure of the watch case;

[0027] Figure 6 This is a schematic diagram of the second structure of the watch case;

[0028] Figure 7 This is a schematic diagram of the waterproof shell structure;

[0029] Figure 8 This is a schematic diagram of the base table structure;

[0030] The components represented by the various reference numerals in the diagram are:

[0031] 1. Base plate; 101. Switch valve; 1011. Female groove; 2. Connecting seat; 3. Housing body; 31. Mounting chamber; 32. Mounting compartment; 33. Through hole; 4. Cover plate; 5. Waterproof bottom shell; 51. Groove; 52. Annular groove; 6. Waterproof cover; 7. Electric actuator; 71. Actuating element; 72. Male connector; 8. Connecting element; 9. First sealing element; 10. First sealing ring; 11. Second sealing ring. Detailed Implementation

[0032] SeeFigure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6 and Figure 8 As shown, a water meter with a waterproof structure includes a base meter 1 and a metering mechanism and a casing mounted thereon. The base meter 1 has a switch valve 101, which is prior art and will not be described in detail here. The casing of this embodiment includes a detachably connected casing body 3 and a cover plate 4. The casing body 3 is fitted onto the base meter 1 and detachably connected thereto. On opposite sides of the casing, there are mounting chambers 31 and mounting compartments 32 adapted to the switch valve 101, respectively. The bottom of the mounting compartment 32 has a through hole 33 communicating with the mounting compartment 31. The switch valve 101 is located in the through hole 33. The mounting compartment 31 is located on the side away from the base meter 1.

[0033] See Figure 3 and Figure 4 As shown, the installation chamber 31 is equipped with a waterproof shell, and the electric actuator 7 is installed inside the waterproof shell. The cover plate 4 is placed on the outside of the installation chamber 31, and the cover plate 4 and the installation chamber 31 are sealed together by the first sealing ring 10.

[0034] The electric actuator 7 has an actuator 71, which passes through the waterproof housing and the housing body 3 in sequence and is connected to the switching valve 101. The connection structure between the switching valve 101 and the actuator 71 is as follows: a female groove 1011 is provided at the end of the switching valve 101 near the waterproof housing, and a male head 72 adapted to the female groove 1011 is provided at the end of the actuator 71. The male head 72 is inserted into the female groove 1011. The specific structure of the female groove 1011 is that the female groove 1011 is rectangular and extends through the switching valve 101 in the radial direction.

[0035] In this embodiment, an adhesive is filled between the outer surface of the electric actuator 7 and the inner surface of the waterproof shell to provide a sealing and protection function for the electric actuator 7. The adhesive utilizes its properties to provide a sealing and protection function for the electric actuator 7 after solidification.

[0036] In the above structure, the mounting compartment 31 of the housing is used to install components such as the electric actuator 7 and the battery. The electric actuator 7 is provided with a waterproof shell with moisture-proof and waterproof functions. The waterproof shell is filled with an adhesive for sealing the electric support. The adhesive utilizes its properties to provide a sealing and protection function for the electric actuator 7 after solidification. The cover plate 4 is placed on the outside of the mounting compartment 31. The cover plate 4 and the mounting compartment 31 are sealed and connected by the first sealing ring 10, which can work with the waterproof shell to further seal and protect the electric actuator 7 and other components.

[0037] See Figure 6 and Figure 7As shown, regarding the structure of the waterproof housing, the waterproof housing includes a matching waterproof bottom shell 5 and a waterproof cover 6. The waterproof cover 6 is detachably connected to the waterproof bottom shell 5. The electric actuator 7 is installed inside the waterproof bottom shell 5. The waterproof bottom shell 5 has an upper port on the side away from the through hole 33. The waterproof cover 6 is detachably connected to the upper port, and a second sealing ring 11 is provided between the waterproof cover 6 and the upper port. The second sealing ring 11 can seal the waterproof housing.

[0038] To further improve the sealing effect of the contact area between the waterproof shell and the shell body 3, the lower end face of the waterproof bottom shell 5 is sealed to the outer periphery of the through hole 33 through the first sealing element 9. The first sealing element 9 is made of rubber. To prevent wrinkles from forming when the first sealing element 9 is installed between the waterproof bottom shell 5 and the shell body 3, and to avoid affecting its sealing performance, an annular groove 52 is provided on the lower end face of the waterproof bottom shell 5. The first sealing element 9 is a sealing ring. The arc length corresponding to the cross section of the annular groove 52 is less than half of the arc length corresponding to the cross section of the first sealing element 9. The sealing ring is installed in the annular groove 52 and protrudes outside the annular groove 52 for sealing contact with the outer periphery of the through hole 33 of the shell body 3.

[0039] The structure in which the waterproof shell is stably connected in the installation chamber 31 is as follows: each of the four corners of the installation chamber 31 is provided with a connecting seat 2, the outer periphery of the waterproof bottom shell 5 is provided with a groove 51 that is adapted to the connecting seat 2, and the waterproof cover 6 is provided with a connector 8 corresponding to the groove 51. The groove 51 can reserve space for the connecting seat 2, so that the connecting seat 2 can be set in multiple positions in the installation chamber 31. One end of the connector 8 extends through the waterproof shell into the groove 51 and is detachably connected to the connecting seat 2. The waterproof shell is stably installed in the installation chamber 31 by the connecting seat 2 cooperating with the connector 8.

Claims

1. A water meter with a waterproof structure, comprising a base meter (1) and a metering mechanism and a casing disposed thereon, said base meter (1) having a switching valve (101), characterized in that, The watch case includes a detachably connected case body (3) and a cover plate (4). The case body (3) is fitted onto the base watch (1) and detachably connected thereto. The watch case has an installation compartment (31) and an installation chamber (32) adapted to the switch valve (101) on opposite sides. The bottom of the installation chamber (32) has a through hole (33) communicating with the installation compartment (31). The switch valve (101) is located in the through hole (33). The installation compartment (31) is located on the side away from the base watch (1). The installation chamber (31) is equipped with a waterproof shell, and an electric actuator (7) is installed inside the waterproof shell. A cover plate (4) is placed on the outside of the installation chamber (31), and the cover plate (4) and the installation chamber (31) are sealed together by a first sealing ring (10). The electric actuator (7) has an actuator (71) that passes through the waterproof housing and the housing body (3) in sequence and is connected to the switching valve (101). An adhesive is filled between the outer surface of the electric actuator (7) and the inner surface of the waterproof housing.

2. A water meter with a waterproof structure according to claim 1, characterized in that, The installation compartment (31) is provided with a connecting seat (2) at each of its four corners. The outer periphery of the waterproof shell is provided with a groove (51) that is adapted to the connecting seat (2). The waterproof shell is provided with a connector (8) that corresponds to the groove (51). One end of the connector (8) passes through the waterproof shell and extends into the groove (51), and is detachably connected to the connecting seat (2).

3. A water meter with a waterproof structure according to claim 2, characterized in that, The lower end face of the waterproof shell is sealed to the outer periphery of the through hole (33) through the first sealing element (9).

4. A water meter with a waterproof structure according to claim 3, characterized in that, The lower end face of the waterproof shell is provided with an annular groove (52), and the first sealing element (9) is a sealing ring. The arc length corresponding to the cross section of the annular groove (52) is less than half of the arc length corresponding to the cross section of the first sealing element (9).

5. A water meter with a waterproof structure according to claim 1, characterized in that, The switch valve (101) has a female groove (1011) at the end near the waterproof shell, and the actuator (71) has a male head (72) at the end that is adapted to the female groove (1011). The male head (72) is plugged into the female groove (1011).

6. A water meter with a waterproof structure according to claim 5, characterized in that, The mother groove (1011) has a rectangular structure and extends through the radial direction of the switch valve (101).

7. A water meter with a waterproof structure according to claim 1, characterized in that, The waterproof housing includes a suitable waterproof bottom shell (5) and a waterproof cover (6). An electric actuator (7) is installed inside the waterproof bottom shell (5). The waterproof bottom shell (5) has an upper port on the side away from the through hole (33). The waterproof cover (6) is detachably connected to the upper port, and a second sealing ring (11) is provided between the waterproof cover (6) and the upper port.

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