An easy-to-assemble water meter

Abstract

This utility model provides a water meter that is easy to assemble, belonging to the field of water meter technology. It solves the problem of improving the ease of assembly of the module box. This easy-to-assemble water meter includes a base with a threaded hole and a module box with a connecting hole. The module box and the base are locked and positioned by screws passing through the connecting hole and the threaded hole. The base has an upper positioning hole at its top, and the module box has an upper positioning post formed on it. The upper positioning post is inserted into the upper positioning hole, aligning the connecting hole and the threaded hole. This easy-to-assemble water meter improves the ease of assembly of the module box.

Description

Technical Field

[0001] This utility model belongs to the field of water meter technology and relates to a water meter that is easy to assemble. Background Technology

[0002] Water meters are very common water metering devices in modern life. With the continuous advancement of technology, smart water meters have gradually entered the public eye and have been slowly replacing some traditional mechanical water meters in recent years.

[0003] Specifically, a smart water meter generally consists of multiple parts such as a speed-type base meter (base), processor, sensor, display, battery, and circuit board. Among them, electronic components such as processor, sensor, display, battery, and circuit board are generally integrated into a module box to form a modular structure, and then the formed module box is assembled and fixed on the base meter.

[0004] Regarding the assembly and fixing of the module box and the base meter, existing technologies generally pre-set holes on both the base meter and the module box. During assembly, the two are simply screwed together and locked. However, in actual assembly, workers need to carefully align the holes before screwing in the screws or bolts, which is very inconvenient. Secondly, the water meter may be installed in a remote and narrow corner. If the module box malfunctions, disassembly can be performed normally, but when reassembling after repair, the installation location makes it difficult for maintenance personnel to align the holes, making screw installation difficult and thus making maintenance very inconvenient. Summary of the Invention

[0005] The purpose of this utility model is to address the aforementioned problems in existing technologies by proposing a water meter that is easy to assemble. The technical problem to be solved by this utility model is: how to improve the ease of assembly of the module box.

[0006] The purpose of this utility model can be achieved through the following technical solution: a water meter that is easy to assemble, comprising a base with a threaded hole and a module box with a connecting hole, wherein the module box and the base are locked and positioned by screws passing through the connecting hole and the threaded hole, wherein the base has an upper positioning hole on the top, and an upper positioning post is formed on the module box, the upper positioning post being inserted into the upper positioning hole and the connecting hole and the threaded hole being aligned.

[0007] The water meter disclosed in this application, which is easy to assemble, includes a base and a module box. During assembly, the module box is positioned on the base by aligning the connecting holes on the module box with the threaded holes on the base, and then screwing them together through the connecting holes and threaded holes. To further facilitate installation and subsequent maintenance, this application adds an upper positioning hole to the base and a positioning post to the module box. Inserting the upper positioning post into the upper positioning hole maintains the module box's circumferential and axial positioning relative to the base, thus achieving pre-positioning for module box installation. After the above insertion steps are completed, the connecting holes and threaded holes automatically align through the positioning of the module box and the base. This eliminates the need for repeated position adjustments by workers during assembly, ensuring easier assembly. For reinstallation after module box maintenance, especially in narrow spaces like corners, the insertion of the upper positioning post and upper positioning hole allows for quick pre-positioning of the module box, avoiding installation difficulties caused by misalignment in narrow spaces.

[0008] In the aforementioned easily assembled water meter, there are two upper positioning holes located at the top edge of the base, and the two upper positioning holes are spaced apart circumferentially along the base. One side of the module box has an overlapping portion at its top, protruding from the outer wall of the module box. The lower side of the overlapping portion has two upper positioning posts. When each upper positioning post is inserted into its corresponding upper positioning hole, the lower side of the overlapping portion abuts against the top of the base. By interlocking the two upper positioning holes and two upper positioning posts, circumferential pre-positioning of the module box is achieved through two-point positioning. Furthermore, the contact between the lower side of the overlapping portion and the top of the base increases the stress-bearing area, thereby reducing the biased force on each upper positioning post when the module box is not fully tightened with screws, preventing breakage. Alternatively, in another embodiment, the number of upper positioning posts and upper positioning holes can be single. In this case, the upper positioning post needs to be polygonal in shape, and the shape of the upper positioning hole needs to match the shape of the upper positioning post.

[0009] In the aforementioned easily assembled water meter, a notching groove is provided on one side of the module box. This notching groove is located below the upper positioning post and extends to the bottom of the module box. The side wall of the base is embedded in the notching groove and abuts against its wall. This further increases the contact area between the module box and the base. By utilizing the abutment between the side wall of the base and the groove wall, the module box itself bears the bias force instead of the upper positioning post, thus preventing breakage or damage to the positioning posts and ensuring the pre-assembly stability of the module box.

[0010] In the aforementioned easily assembled water meter, the base has a protrusion on its side wall, a threaded hole is formed at the top of the protrusion, and a positioning groove extending through to the bottom wall of the abutment groove is formed at the bottom of the module box. A connecting hole is formed on the groove wall of the positioning groove, and the protrusion is embedded in the positioning groove so that the connecting hole and the threaded hole are aligned. During module box assembly, while two-point positioning is achieved through the insertion of the upper positioning post and the upper positioning hole, the protrusion and the positioning groove are used to achieve adaptive adjustment and correction of the insertion position. This ensures that the threaded hole on the top surface of the protrusion and the upper positioning hole on the groove wall are aligned, guaranteeing both secure pre-assembly and ease of hole alignment.

[0011] In the aforementioned easily assembled water meter, the inner wall of the positioning groove has two downward-facing lower positioning posts, located on both sides of the connecting hole. The protrusion has lower positioning holes on both sides of the threaded hole. When the protrusion is inserted into the positioning groove, each lower positioning post is correspondingly inserted into its lower positioning hole. When the protrusion is inserted into the positioning groove, the corresponding lower positioning post engages with its lower positioning hole, ensuring guidance for fine-tuning the protrusion during pre-assembly. This ensures both a secure pre-assembly and accurate alignment of the connecting hole and the threaded hole.

[0012] Compared with existing technologies, this easy-to-assemble water meter has the following advantages: the plug-in cooperation of the upper positioning column and the upper positioning hole allows the module box to be pre-positioned on the base before the assembly screws are installed, and the connection holes on the module box and the threaded holes on the base are aligned, improving the ease of assembly of the module box. Attached Figure Description

[0013] Figure 1 This is a structural diagram of a water meter that is easy to assemble.

[0014] Figure 2 This is a cross-sectional view and a partially enlarged view of a water meter that is easy to assemble.

[0015] Figure 3 This is a structural diagram of the base.

[0016] Figure 4 This is a structural diagram of the module box.

[0017] In the diagram, 1 is the base; 11 is the threaded hole; 12 is the upper positioning hole; 13 is the protrusion; 131 is the lower positioning hole; 2 is the module box; 21 is the connecting hole; 22 is the upper positioning post; 23 is the overlapping part; 24 is the abutment groove; and 25 is the lower positioning post. Detailed Implementation

[0018] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0019] like Figure 1-4 As shown, this easy-to-assemble water meter includes a base 1 and a module box 2. Two upper positioning holes 12 are provided at the top edge of the base 1. The two upper positioning holes 12 are arranged at intervals along the circumference of the base 1. One side of the module box 2 has an outwardly protruding and elongated overlapping part 23. The lower side of the overlapping part 23 has columnar upper positioning posts 22 formed at both ends. The outer wall of this side of the module box 2 has an abutment groove 24 located below the overlapping part 23, and the abutment groove 24 extends to the bottom of the module box 2.

[0020] like Figure 3 As shown, the outer wall of the base 1 has a protrusion 13, which is specifically located between two upper positioning holes 12. A threaded hole 11 is vertically formed at the top of the protrusion 13. Figure 4 As shown, the bottom of the module box 2 has a positioning groove 25 that extends through to the abutment groove 24, and the groove wall of the positioning groove 25 has a connecting hole 21 vertically formed along the groove wall. On the protrusion 13, a lower positioning hole 131 is vertically formed on both sides of the threaded hole 11, and a lower positioning post 251 facing downward is formed on both sides of the groove wall of the connecting hole 21 in the positioning groove 25.

[0021] Assembly principle: By inserting each upper positioning post 22 into the upper positioning hole 12, the lower side of the overlapping part 23 abuts against the top of the base 1, and the outer wall of the base 1 is embedded in the abutment groove 24 and abuts against the groove wall of the abutment groove 24. In this state, when the upper positioning post 22 and the upper positioning hole 12 are inserted, the protrusion 13 is also inserted into the positioning groove 25, so that each lower positioning post 251 is inserted into the lower positioning hole 131, and the hole positions of the connecting hole 21 and the threaded hole 11 are aligned. Then, by screwing and locking the module box 2 with the connecting hole 21 and the threaded hole 11, the module box 2 can be positioned on the base 1.

[0022] Regarding how the module box 2 and the base 1 are locked together by screws, specifically, the module box 2 includes an upper box and a lower box. The lower box has a hollow connecting post formed vertically along its inner edge. The lower end of the connecting post corresponds to the connecting hole 21. The upper box has a stepped hole, and the stepped hole is opposite to the upper end of the connecting post. The screw is embedded in the stepped hole and passes through the connecting post, the connecting hole 21, and the threaded hole 11 for screwing.

[0023] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0024] Although this document frequently uses terms such as base 1, threaded hole 11, upper positioning hole 12, protrusion 13, lower positioning hole 131, module box 2, connecting hole 21, upper positioning post 22, overlapping part 23, abutment groove 24, and lower positioning post 25, the possibility of using other terms is not excluded. These terms are used merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any additional limitation would contradict the spirit of this utility model.

Claims

1. A water meter which is easy to assemble, comprising a base (1) provided with a threaded hole (11) and a module box provided with a connecting hole (21), the module box (2) and the base (1) being locked and positioned by screwing a screw through the connecting hole (21) and the threaded hole (11), characterized in that, The base (1) has an upper positioning hole (12) on the top, and an upper positioning post (22) is formed on the module box. The upper positioning post (22) is inserted into the upper positioning hole (12) and the connection hole (21) and the threaded hole (11) are aligned.

2. The easy-to-assemble water meter according to claim 1, wherein The upper positioning holes (12) are two in number and are located at the top edge of the base (1). The two upper positioning holes (12) are spaced apart along the circumference of the base (1). The top of one side of the module box (2) has an overlapping part (23). The overlapping part (23) protrudes from the outer side wall of the module box (2). The lower side of the overlapping part (23) has two upper positioning posts (22). When each upper positioning post (22) is inserted into the corresponding upper positioning hole (12), the lower side of the overlapping part (23) abuts against the top of the base (1).

3. A water meter for ease of assembly according to claim 1 or 2, characterised in that, The module box (2) has an abutment groove (24) on one side. The abutment groove (24) is located below the upper positioning post (22) and extends to the bottom of the module box (2). The side wall of the base (1) is embedded in the abutment groove (24) and abuts against the groove wall of the abutment groove (24).

4. The easy-to-assemble water meter of claim 3, wherein, The base (1) has a protrusion (13) on its side wall. The threaded hole (11) is opened on the top of the protrusion (13). The bottom of the module box (2) is provided with a positioning groove (25) that extends through to the bottom wall of the abutment groove (24). The connecting hole (21) is opened on the groove wall of the positioning groove (25). The protrusion (13) is embedded in the positioning groove (25) so that the connecting hole (21) is opposite to the threaded hole (11).

5. The easy-to-assemble water meter of claim 4, wherein, The inner wall of the positioning groove (25) has two downwardly positioned lower positioning posts (251), and the two lower positioning posts (251) are located on both sides of the connecting hole (21). The protrusion (13) has lower positioning holes (131) on both sides of the threaded hole (11). When the protrusion (13) is inserted into the positioning groove (25), each of the lower positioning posts (251) is inserted into the lower positioning hole (131).

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