Polymer alloy modularized water meter box

Abstract

The polymer alloy modularized water meter box is characterized in that a water inlet pipe opening is formed in a top cover of the water meter box, water outlet pipe openings are formed in side plates on the two opposite sides of the water meter box, and a box door and the side plates are fixed in a hinged mode; and each surface of the box body is a polymer alloy PC / ASA or PC / ABS injection molding plate. According to the water meter box, the polymer alloy PC / ASA or PC / ABS injection molding plate is adopted, the problem that a traditional metal water meter box has prominent electromagnetic shielding is fully solved through the application of the plate, energy consumption of a remote water meter is effectively reduced, the service life of a battery is effectively prolonged, and the fault rate of the water meter is reduced. The whole water meter box adopts a combination mode of bolts, mortises and tenons and unique hinge design, and the problems that a traditional metal water meter box is prone to having welding defects and corrosion, and after-sales maintenance is difficult are solved. After the whole parts are disassembled, transportation is convenient, the occupied space for transportation is reduced, and the transportation cost is reduced; installation is convenient and efficient, and installation cost is low.

Description

Technical Field

[0001] The utility model relates to the technical field of water meter boxes, in particular to a polymer alloy modular water meter box. Background Art

[0002] With the advancement of smart water construction, the smart water meter industry has entered a period of rapid development. In order to standardize water management, facilitate meter reading at home, unify installation methods, optimize the urban environment, and enhance the public image of water companies, water companies generally choose to configure water meter boxes. Traditional water meter boxes are usually made of metal or fiberglass. Traditional water meter boxes have the following technical problems:

[0003] 1. Metal water meter boxes have a prominent electromagnetic shielding problem, which causes remote water meters to need to perform repeated communication transmissions during the communication data transmission process, which can easily lead to meter reading data signal attenuation, increase remote water meter energy consumption, reduce battery life and water meter failure rate.

[0004] 2. Metal water meter boxes are prone to rust or deformation when used for a long time; fiberglass water meter boxes are prone to aging and cracking when used outdoors for a long time. Once cracked or deformed, it is irreversible and can only be replaced as a whole, which is extremely costly.

[0005] 3. Most water meter boxes are integrated box-type structures. Some large water meter boxes have problems such as difficulty in transportation, high transportation costs, and difficulty in repairing and replacing parts. They are also difficult to recycle. Utility Model Content

[0006] The utility model aims to provide a water meter box, which adopts a detachable modular design as a whole and is made of an existing modified polymer alloy injection molding plate, so as to fully solve the problems of water meter signal shielding, box deformation, cracking and rusting.

[0007] In order to achieve the above object, the utility model proposes a polymer alloy modular water meter box, wherein a water inlet is provided on the top cover of the water meter box, water outlets are provided on the side panels on opposite sides of the water meter box, and the box door and the side panels are fixed by hinges;

[0008] Each side of the box is made of modified polymer alloy PC / ASA or PC / ABS injection molding plate.

[0009] Furthermore, the top cover and the bottom cover of the water meter box are positioned by a mortise and tenon structure and fixed by bolts.

[0010] Furthermore, the mortise and tenon structure is a plug-in structure of a tenon and a mortise groove; bolt holes are provided on the overlapping surfaces of the top cover and the bottom cover with the side panels, and after the mortise and tenon are positioned, they are fixed by screwing bolts into the bolt holes.

[0011] Furthermore, at least one of the side panels, in the case of multiple side panels, adjacent side panels are positioned by a mortise and tenon structure with a tenon and tenon groove plug-in structure and a top cover and bottom cover having the same mortise and tenon structure, and are all fixed by bolts.

[0012] Furthermore, a door is hinged on the top of each side panel.

[0013] Furthermore, on the side panels that are arranged opposite to each other, one side panel is hinged and fixed to the box door, and the other side panel is connected to the box door via a lock.

[0014] Further, the hinged end: comprises a hinge slot, a hinge, a fixed buckle plate and a rotating shaft arranged at the connecting end of the door, one end of the hinge is hook-shaped, buckled with the rotating shaft of the door, and the other end is inserted into the hinge slot; the surface of the hinge inserted into the hinge slot is provided with a card slot, and the fixed buckle plate is inserted into the card slot to fix the hinge;

[0015] Lock connection end: includes a lock arranged on the door and a lock slot arranged on the side panel. The lock plate and the lock slot are connected and separated by rotating the lock head of the lock.

[0016] Furthermore, the bottom plate of the water meter box is fixed to the lower edge of the side plate by bolts.

[0017] Furthermore, the box door is in an arched shape protruding toward the outside of the box;

[0018] The upper edges of the top cover and the bottom cover of the water meter box are provided with drainage grooves; the lower edges of the top cover and the bottom cover are provided with drainage holes.

[0019] Compared with the prior art, the advantages of the present invention are:

[0020] 1. The water meter box of the utility model adopts polymer alloy PC / ASA or PC / ABS injection molding plate. The application of this plate fully solves some common technical problems of traditional metal water meter boxes and glass water meter boxes.

[0021] 2. The water meter box of the utility model adopts bolt, mortise and tenon and hinged connection methods as a whole, which solves the problem that traditional metal water meter boxes are prone to welding defects; in addition, after the overall components are disassembled, it is easy to transport, reduces the space occupied by transportation, reduces transportation costs, and is convenient for disassembly and assembly.

[0022] 3. The water meter box of the utility model adopts a detachable connection structure as a whole. If part of the box is damaged, it can be partially replaced, which reduces the maintenance cost and is also convenient for later recycling and reuse.

[0023] 4. The side panels of the water meter box of the utility model adopt a design structure of divided side panels. For water meter boxes with different length requirements, the number of divided side panels can be added as needed to adjust the specifications of the water meter box and improve the use scenarios of the product.

[0024] 5. The water meter box of the utility model is designed with drainage holes and drainage grooves to ensure that there will be no water accumulation in the box to corrode the internal structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the overall structure of the water meter box in the embodiment of the utility model;

[0026] Figure 2 It is a schematic diagram of the overall structure of the water meter box in the embodiment of the utility model;

[0027] Figure 3 It is a schematic diagram of the internal structure of the water meter box in the embodiment of the utility model. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be further described below.

[0029] Traditional water meter boxes are generally metal water meter boxes and glass water meter boxes. The above two types of water meter boxes have the following problems:

[0030] Stainless steel water meter box: There are problems such as increased grain size, thermal stress and deformation, oxidation and corrosion, welding defects, improper surface treatment, metal fatigue, and uneven stress distribution.

[0031] Fiberglass water meter box: It has problems such as fragility, heavy weight, not resistant to high temperatures, poor corrosion resistance, complicated production process, and difficult maintenance.

[0032] Based on this, the utility model proposes a polymer alloy modular water meter box, which adopts a detachable and portable connection mechanism as a whole, and uses a polymer alloy PC / ASA or PC / ABS injection molding plate to solve the above technical problems.

[0033] First of all, regarding the application of PC / ASA or PC / ABS injection molding plates, the water meter box made of this injection molding plate has the following characteristics:

[0034] General properties: It is an opaque ivory-colored granular material. Its products can be colored and have high gloss. The relative density is about 1.1, and the water absorption rate is low. It has good bonding with other materials and is easy to print, coat and plate on the surface. It is anti-static and can reduce dust accumulation on the surface.

[0035] Mechanical properties: It has excellent mechanical properties, excellent impact strength, and can be used at extremely low temperatures; it has excellent wear resistance, good dimensional stability, and oil resistance, and can be used for bearings under medium loads and speeds. Its creep resistance is greater than that of PSF and PC, but less than that of PA and POM. Mechanical properties are greatly affected by temperature.

[0036] The water meter box should remain intact when it is freely dropped from a height of 3 meters to the ground with the fixing screws tightened (without packaging). Impact resistance: A 7kg sandbag is freely dropped from a height of 1 meter for 5 times, and there are no cracks or breaks in the water meter box.

[0037] Thermal properties: The heat deformation temperature is 93-118℃, and the product can be increased by about 10℃ after annealing. It can still show a little toughness at -40℃ and can be used in the temperature range of -40-100℃.

[0038] Environmental adaptability: Good weather resistance and UV resistance. Not affected by water, inorganic salts, alkalis and various acids. More effective against salt spray and other environments.

[0039] The preparation process for PC / ASA or PC / ABS injection molding plates is as follows:

[0040] Step 1: Prepare raw materials: Prepare the following raw materials according to mass percentage: PC 60%-70%, ASA or ABS 30%-40% other additives 3%~5%.

[0041] Step 2: Melt blending: Add the above raw materials into a twin-screw extruder and perform melt blending at a temperature of 200° C.-250° C. to obtain a polymer alloy material.

[0042] Step 3: Molding: The polymer alloy material is molded by an injection molding machine to obtain semi-finished products of various components of the water meter box with the required shape and specifications.

[0043] The overall detachable structure is as follows:

[0044] like Figure 1 , Figure 2 and Figure 3 As shown, in order to ensure the application of the water meter box, a water inlet is provided on the top cover 1 of the water meter box for inserting the water inlet pipe, and water outlets are provided on the side panels 2 on opposite sides of the water meter box for connecting the water outlet pipes. The box door 3 is hingedly fixed to the side panels 2 to facilitate the opening and closing of the box door 3.

[0045] In this embodiment, the top cover 1 and the bottom cover 4 of the water meter box are positioned by a mortise and tenon structure and fixed by bolts. The specific mortise and tenon structure is a tenon on one connection surface and a tenon groove on another connection surface. A pre-positioning is achieved by plugging the tenon and the tenon groove. The bolts are inserted into the bolt holes on the top cover 1, the bottom cover 4 and the side plate 2 to achieve fixation. The overall assembly is firm and convenient.

[0046] In this embodiment, if Figure 1As shown, in order to make the length of the water meter box adjustable to adapt to various specifications and to meet the miniaturization of components as much as possible for easy transportation; the side panel 2 includes at least two side panels connected end to end, two of which are provided in this embodiment, and the adjacent side panels are positioned by the same mortise and tenon structure as the top cover 1 and bottom cover 4, and fixed by bolts. The same positioning structure can ensure a high degree of adaptation between the components, and the random addition of the side panels 2 can realize connection and flexible adjustment.

[0047] In this embodiment, a door 3 is hinged on the top of each side panel. Figure 1 As shown, two cabinet doors 3 are connected to the two side panels.

[0048] On the two side panels 2 arranged opposite to each other, one side panel 2 is hingedly fixed to the box door 3, and the other side panel 2 is connected to the box door 3 via a lock.

[0049] Hinge end: includes a hinge slot 6, a hinge 5, a fixed buckle plate 7 and a rotating shaft provided at the connecting end of the door 3, which are arranged on the upper edge of the side panel 2. One end of the hinge 5 is hook-shaped and buckles the rotating shaft of the door 3, and the other end is inserted into the hinge slot 6. The surface of the hinge 5 inserted into the hinge slot 6 is provided with a card slot, and the fixed buckle plate 7 is inserted into the card slot to fix the hinge 5.

[0050] The lock connection end includes a lock arranged on the door 3 and a lock slot arranged on the side panel 2. The lock plate and the lock slot are connected and separated by rotating the lock head of the lock.

[0051] In this embodiment, the bottom plate of the water meter box is fixed to the lower edge of the side plate 2 by bolts, and the box door 3 is in an arch shape protruding toward the outside of the box. External water falls on the water meter box and can slide down the box door 3; the upper edges of the top cover 1 and the bottom cover 4 of the water meter box are provided with drainage grooves 8, and the lower edges of the top cover 1 and the bottom cover 4 are provided with drainage holes to prevent rainwater from falling into the water meter box, causing moisture and corrosion inside.

[0052] The above are only preferred embodiments of the present invention and do not limit the present invention in any way. Any technician in the relevant technical field, without departing from the scope of the technical solution of the present invention, may make any equivalent replacement or modification to the technical solution and technical content disclosed in the present invention, which shall be deemed as the content of the technical solution of the present invention and still fall within the protection scope of the present invention.

Claims

1. A polymer alloy modular water meter box, characterized in that: The top cover of the water meter box is provided with a water inlet, the side panels on the opposite sides of the water meter box are provided with water outlets, and the box door is fixed to the side panels by hinges; Each surface of the water meter box is a modified polymer alloy PC / ASA or PC / ABS injection molding plate.

2. The polymer alloy modular water meter box according to claim 1, characterized in that: The top cover and the bottom cover of the water meter box are both positioned by mortise and tenon structures and fixed by bolts.

3. The polymer alloy modular water meter box according to claim 2, characterized in that: The mortise and tenon structure is a plug-in structure of a tenon and a tenon groove; bolt holes are provided on the overlapping surfaces of the top cover and the bottom cover with the side panels, and after the mortise and tenon joints are positioned, they are fixed by screwing bolts into the bolt holes.

4. The polymer alloy modular water meter box according to claim 2, characterized in that: The side panels are at least one side panel. In the case of multiple side panels, adjacent side panels are positioned by a mortise and tenon structure with a tenon and a tenon groove as the plug-in structure and the same mortise and tenon structure as the top cover and bottom cover, and are all fixed by bolts.

5. The polymer alloy modular water meter box according to claim 4, characterized in that: A box door is hinged on the top of each side panel.

6. The polymer alloy modular water meter box according to claim 1, characterized in that: On the side panels arranged opposite to each other, one side panel is hinged and fixed to the box door, and the other side panel is connected to the box door via a lock.

7. The polymer alloy modular water meter box according to claim 6, characterized in that: The hinge end includes a hinge slot, a hinge, a fixed buckle plate and a rotating shaft provided at the upper edge of the side panel, one end of the hinge is hooked and buckled with the rotating shaft of the door, and the other end is inserted into the hinge slot; a card slot is provided on the surface of the hinge inserted into the hinge slot, and the fixed buckle plate is inserted into the card slot to fix the hinge; The lock connecting end includes a lock arranged on the box door and a lock slot arranged on the side panel. The lock plate and the lock slot are connected and separated by rotating the lock head of the lock.

8. The polymer alloy modular water meter box according to claim 1, characterized in that: The bottom plate of the water meter box is fixed to the lower edge of the side plate by bolts.

9. The polymer alloy modular water meter box according to claim 1, characterized in that: The box door is in an arch shape protruding outward from the box; The upper edges of the top cover and the bottom cover of the water meter box are provided with drainage grooves; the lower edges of the top cover and the bottom cover are provided with drainage holes.

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