Direct drinking water valve control water meter

Abstract

The utility model provides a direct drinking water valve control water meter, which relates to the technical field of water meters and comprises a base meter, a lower box, a mask and an indicating mechanism. The lower box is detachably connected with the base meter, the mask is connected with the lower box, and the indicating mechanism is arranged between the lower box and the mask; the indicating mechanism is in transmission connection with the base meter, and the indicating mechanism is provided with a first limiting part; the lower box is provided with a second limiting part matched with the first limiting part. The direct drinking water valve control water meter provided by the utility model is convenient to overhaul and disassemble, and the indicating mechanism can be ensured to be positioned accurately during assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of water meters, in particular to a direct drinking water valve-controlled water meter. Background Art

[0002] As an important tool for measuring water consumption, water meters are widely used in urban water supply systems and individual households. During the production, assembly and use of water meters, situations such as maintenance disassembly and assembly positioning are inevitable. However, most water meters on the market currently have some deficiencies in design, especially in terms of disassembly and maintenance.

[0003] Inconvenient disassembly and maintenance: The existing water meters often do not fully consider the need for convenient disassembly in their structural design, and the disassembly and assembly operations are cumbersome. For water meters that require battery power supply, the battery life is usually used as the service life limit of the water meter, increasing the use cost of the water meter.

[0004] Inconvenient assembly and inaccurate positioning of the indicating mechanism: The indicating mechanism is usually fixed by snap connection or bolt connection during installation. The positioning of the indicating mechanism relative to the base meter is prone to deviation, which not only affects the accuracy of reading but also may cause damage to the transmission mechanism during long-term use of the water meter. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a direct drinking water valve-controlled water meter to alleviate the technical problems of inconvenient maintenance of water meters and inaccurate installation and positioning of the indicating mechanism in the prior art.

[0006] In a first aspect, the direct drinking water valve-controlled water meter provided by the utility model includes: a base meter, a lower box, a mask and an indicating mechanism;

[0007] The lower box is detachably connected to the base meter, the mask is connected to the lower box, and the indicating mechanism is installed between the lower box and the mask;

[0008] The indicating mechanism is in transmission connection with the base meter, and the indicating mechanism is provided with a first limiting portion;

[0009] The lower box is provided with a second limiting portion that cooperates with the first limiting portion.

[0010] Combined with the first aspect, the utility model provides a first possible implementation manner of the first aspect, wherein the first limiting portion includes a convex ring and a card slot;

[0011] The second limiting portion includes a plurality of limiting protrusions, and the plurality of limiting protrusions are arranged at intervals around the indicating mechanism;

[0012] Moreover, multiple said limiting protrusions abut against the end face of the convex ring facing away from the base table, and at least one of said limiting protrusions is inserted into the card slot along the direction from the face mask towards the base table.

[0013] Combined with the first aspect, the present utility model provides a second possible implementation manner of the first aspect, wherein the face mask is detachably connected to the lower box;

[0014] An upper box is installed between the face mask and the lower box, and a battery and a circuit board are installed between the lower box and the upper box.

[0015] Combined with the second possible implementation manner of the first aspect, the present utility model provides a third possible implementation manner of the first aspect, wherein the upper box is provided with a battery installation hole, and a battery cover and a sealing ring surrounding the battery cover are detachably connected in the battery installation hole.

[0016] Combined with the second possible implementation manner of the first aspect, the present utility model provides a fourth possible implementation manner of the first aspect, wherein the upper box is configured as a transparent box body.

[0017] Combined with the second possible implementation manner of the first aspect, the present utility model provides a fifth possible implementation manner of the first aspect, wherein a wire groove is provided at one end of the indicating mechanism facing the base table, and a wire passing port is provided on the base table;

[0018] The circuit connecting the indicating mechanism sequentially passes through the wire groove and the wire passing port and is connected to the circuit board.

[0019] Combined with the fifth possible implementation manner of the first aspect, the present utility model provides a sixth possible implementation manner of the first aspect, wherein the wire groove is provided with a potting seal structure.

[0020] Combined with the second possible implementation manner of the first aspect, the present utility model provides a seventh possible implementation manner of the first aspect, wherein the face mask and the upper box are provided with a lead seal structure.

[0021] Combined with the first aspect, the present utility model provides an eighth possible implementation manner of the first aspect, wherein the face mask is configured as a white plastic part, and a measuring instrument logo is printed on the outer surface of the face mask.

[0022] Combined with the first aspect, the present utility model provides a ninth possible implementation manner of the first aspect, wherein the indicating mechanism is configured with an optical encoder.

[0023] The embodiments of the utility model bring the following beneficial effects: the lower box is detachably connected to the base surface, the mask is connected to the lower box, and the indicating mechanism is installed between the lower box and the mask, the indicating mechanism is transmission-connected to the base surface, and the indicating mechanism is provided with a first limiting portion, and the lower box is provided with a second limiting portion cooperating with the first limiting portion, which not only facilitates maintenance and disassembly, but also ensures accurate positioning of the indicating mechanism during assembly.

[0024] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the related technologies, the drawings required for use in the specific implementation methods or the related technical descriptions will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0026] Figure 1 A cross-sectional view of a direct drinking water valve-controlled water meter provided in an embodiment of the utility model;

[0027] Figure 2 A schematic diagram of a direct drinking water valve-controlled water meter provided in an embodiment of the utility model;

[0028] Figure 3 A schematic diagram of a base meter, a lower box and an upper box of a direct drinking water valve-controlled water meter provided in an embodiment of the utility model;

[0029] Figure 4 Schematic diagram of the indicating mechanism of the direct drinking water valve-controlled water meter provided in the embodiment of the utility model Figure 1 ;

[0030] Figure 5 A schematic diagram of an upper box of a direct drinking water valve-controlled water meter provided in an embodiment of the utility model;

[0031] Figure 6 A cross-sectional view of the lower box, upper box, battery and circuit board of the direct drinking water valve-controlled water meter provided in the embodiment of the utility model;

[0032] Figure 7 Schematic diagram of the indicating mechanism of the direct drinking water valve-controlled water meter provided in the embodiment of the utility model Figure 2 ;

[0033] Figure 8 A schematic diagram of a base meter and an indicating mechanism of a direct drinking water valve-controlled water meter provided in an embodiment of the utility model.

[0034] Icons: 100 - base table; 101 - wire passing opening; 200 - lower box; 210 - second limiting part; 211 - limiting protrusion; 300 - face mask; 400 - indicating mechanism; 401 - wire groove; 410 - first limiting part; 411 - convex ring; 412 - clamping groove; 500 - upper box; 501 - battery installation hole; 510 - battery cover; 600 - battery; 700 - circuit board; 800 - lead sealing structure. Detailed implementation manners

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0036] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", "third" are only used to describe name differences and should not be construed as indicating or implying relative importance. Physical quantities in the formulas, unless otherwise separately marked, should be understood as the basic quantities of the basic units of the International System of Units, or the derived quantities derived from the basic quantities through mathematical operations such as multiplication, division, differentiation, or integration.

[0037] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0038] Such as Figure 1 , Figure 2 , Figure 3 and Figure 4As shown in the figure, the direct drinking water valve-controlled water meter provided by the embodiment of the present utility model includes: a base meter 100, a lower box 200, a face mask 300, and an indicating mechanism 400; the lower box 200 is detachably connected to the base meter 100, the face mask 300 is connected to the lower box 200, and the indicating mechanism 400 is installed between the lower box 200 and the face mask 300; the indicating mechanism 400 is in transmission connection with the base meter 100, and the indicating mechanism 400 is provided with a first limiting portion 410; the lower box 200 is provided with a second limiting portion 210 that cooperates with the first limiting portion 410.

[0039] In the direct drinking water valve-controlled water meter described in this embodiment, the detachable connection method includes forms such as bolt connection or snap connection. The lower box 200 is detachably connected to the base meter 100, and the lower box 200 and the base meter 100 can be disassembled and separated during maintenance. During assembly, the indicating mechanism 400 and the lower box 200 are positioned through the cooperation of the first limiting portion 410 and the second limiting portion 210, and thus the positioning of the indicating mechanism 400 relative to the base meter 100 can be ensured to be accurate.

[0040] In an alternative embodiment, one of the first limiting portion 410 and the second limiting portion 210 can be configured as a pin rod, and the other can be configured as a pin hole adapted to the pin rod, so as to realize the installation and positioning of the indicating mechanism 400 and the lower box 200.

[0041] In the embodiment of the present utility model, the first limiting portion 410 includes a convex ring 411 and a card slot 412; the second limiting portion 210 includes a plurality of limiting protrusions 211, and the plurality of limiting protrusions 211 are arranged at intervals around the indicating mechanism 400; and, the plurality of limiting protrusions 211 abut against the end face of the convex ring 411 facing away from the base meter 100, and at least one of the limiting protrusions 211 is inserted into the card slot 412 along the direction from the face mask 300 to the base meter 100. By the limiting protrusions 211 abutting against the end face of the convex ring 411 facing away from the base meter 100, the positioning of the indicating mechanism 400 can be realized in the axial direction of the rotor of the base meter 100. In addition, the card slot 412 is located at any position in the circumferential direction of the outer shell of the indicating mechanism 400. When at least one of the limiting protrusions 211 is inserted into the card slot 412, the indicating mechanism 400 can be circumferentially positioned relative to the base meter 100.

[0042] As Figure 1 、 Figure 3 and Figure 6 shown, the face mask 300 is detachably connected to the lower box 200; an upper box 500 is installed between the face mask 300 and the lower box 200, and a battery 600 and a circuit board 700 are installed between the lower box 200 and the upper box 500. Among them, a gasket can be provided between the upper box 500 and the lower box 200 for sealing, so as to ensure that the battery 600 and the circuit board 700 are not affected by external water vapor.

[0043] As Figure 1 、 Figure 3 、Figure 5 and Figure 6 As shown in Figure 6 , the upper box 500 is provided with a battery installation hole 501. A battery cover 510 and a sealing ring surrounding the battery cover 510 are detachably connected in the battery installation hole 501. After removing the mask 300, the battery cover 510 can be removed, so as to realize the replacement of the battery 600. To ensure the sealing at the connection of the battery cover 510, a sealing ring is used to surround the battery cover 510, and the sealing ring is pressed between the battery cover 510 and the inner wall of the battery installation hole 501 in the closed state.

[0044] In an optional embodiment, the housing of the indicating mechanism 400 and the upper box 500 are both configured as transparent boxes, and the state of the circuit board 700 can be observed through the upper box 500, so as to facilitate timely maintenance.

[0045] As Figure 1 、 Figure 7 and Figure 8 As shown in Figure 1 , Figure 7 and Figure 8 , a wire groove 401 is provided at one end of the indicating mechanism 400 facing the base meter 100, and the base meter 100 is provided with a wire passing port 101; the wires connecting the indicating mechanism 400 pass through the wire groove 401 and the wire passing port 101 in sequence and are connected to the circuit board 700. Among them, the wires extending from the wire passing port 101 can extend around the housing of the indicating mechanism 400, so as to avoid messy winding of the wires.

[0046] In addition, the wire groove 401 is provided with a potting seal structure for sealing the wiring position.

[0047] As Figure 1 and Figure 3 As shown in Figure 1 and Figure 3 , the mask 300 and the upper box 500 are provided with a lead seal structure 800 to prevent the water meter from being privately disassembled.

[0048] Furthermore, the mask 300 is configured as a white plastic part, and the measuring instrument identification is printed on the outer surface of the mask 300, which is more convenient for viewing the measuring instrument identification.

[0049] In addition, the indicating mechanism 400 is configured with an optical encoder, and the coding recognition method is more reliable, more accurate and lower in power consumption than the traditional pulsed water meter.

[0050] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A direct drinking water valve-controlled water meter, characterized in that: include: A base meter (100), a lower box (200), a mask (300) and an indicating mechanism (400); The lower box (200) is detachably connected to the base table (100), the mask (300) is connected to the lower box (200), and the indicating mechanism (400) is installed between the lower box (200) and the mask (300); The indicating mechanism (400) is in transmission connection with the base meter (100), and the indicating mechanism (400) is provided with a first limiting portion (410); The lower box (200) is provided with a second limiting portion (210) matched with the first limiting portion (410).

2. The direct drinking water valve-controlled water meter according to claim 1, characterized in that: The first limiting portion (410) comprises a convex ring (411) and a clamping groove (412); The second limiting portion (210) comprises a plurality of limiting protrusions (211), and the plurality of limiting protrusions (211) are arranged at intervals around the indicating mechanism (400); Furthermore, a plurality of the limiting protrusions (211) abut against the end surface of the convex ring (411) facing away from the base surface (100), and at least one of the limiting protrusions (211) is inserted into the slot (412) along a direction from the mask (300) to the base surface (100).

3. The direct drinking water valve-controlled water meter according to claim 1, characterized in that: The face mask (300) is detachably connected to the lower box (200); An upper box (500) is installed between the mask (300) and the lower box (200), and a battery (600) and a circuit board (700) are installed between the lower box (200) and the upper box (500).

4. The direct drinking water valve-controlled water meter according to claim 3, characterized in that: The upper box (500) is provided with a battery installation hole (501), and a battery cover (510) and a sealing ring surrounding the battery cover (510) are detachably connected in the battery installation hole (501).

5. The direct drinking water valve-controlled water meter according to claim 3, characterized in that: The upper box (500) is configured as a transparent box body.

6. The direct drinking water valve-controlled water meter according to claim 3, characterized in that: The indicating mechanism (400) is provided with a wire groove (401) at one end facing the base meter (100), and the base meter (100) is provided with a wire passage opening (101); The line connected to the indicating mechanism (400) passes through the line slot (401) and the line opening (101) in sequence, and is connected to the circuit board (700).

7. The direct drinking water valve-controlled water meter according to claim 6, characterized in that: The wire duct (401) is provided with a glue-filled sealing structure.

8. The direct drinking water valve-controlled water meter according to claim 3, characterized in that: The face mask (300) and the upper box (500) are provided with a lead sealing structure (800).

9. The direct drinking water valve-controlled water meter according to claim 1, characterized in that: The mask (300) is configured as a white plastic part, and a measuring instrument mark is spray-printed on the outer surface of the mask (300).

10. The direct drinking water valve-controlled water meter according to claim 1, characterized in that: The indicating mechanism (400) is equipped with a photoelectric encoder.

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