Double-display waterproof electronic scale

Abstract

The utility model belongs to the technical field of electronic scales, and particularly relates to a double-display waterproof electronic scale which comprises a scale frame, the scale frame is provided with a front waterproof shell and a rear waterproof shell, the front waterproof shell is provided with a front circuit board module, and the rear waterproof shell is internally provided with a rear circuit board module. The double-display waterproof electronic scale comprises a front waterproof shell and a rear waterproof shell, the front waterproof shell is sealed by a front sealing ring for edge waterproofing, keys and a waterproof sleeve are designed into a whole and are installed on the front waterproof shell in a sealed mode through waterproof glue, and the rear waterproof shell is sealed by a rear sealing ring for edge waterproofing, so that the double-display waterproof electronic scale is good in waterproofness, simple in structure and convenient to use. Cost is low, manufacturing is convenient, and production and installation are convenient. And a silica gel gasket and a transparent panel can be attached to the surface shell for dustproof treatment. The above structure effectively protects the circuit board module of the electronic scale in a waterproof and dustproof manner, and achieves the purpose of prolonging the service life of the electronic scale.

Description

Technical Field

[0001] The utility model belongs to the technical field of electronic scales, and in particular relates to a dual-display waterproof weighing electronic scale. Background Art

[0002] Electronic scales are now very common weighing tools. They are weighing technology products that integrate multiple means such as electronic technology and sensor technology. However, the environment in which they are used is complex. During the use of consumers, electronic scales are easily exposed to various liquids and dust. If these liquids and dust enter the inside of the electronic scale, they will corrode and rust the electronic components and circuit boards inside, causing the electronic scale to short-circuit or malfunction. Therefore, most electronic scales now are waterproof. For example, a Chinese patent with publication number CN206019828U and name "Plastic-sealed waterproof electronic scale" discloses a waterproof electronic scale, which includes a main scale frame, at least one electronic device is arranged on the main scale frame, and at least one installation box installed on the main scale frame, the installation box is provided with a receiving groove compatible with the electronic device, and the electronic device is arranged in the receiving groove and is encapsulated and fixed on the installation box by at least one plastic cover.

[0003] The utility model patent adopts a waterproof method of secondary molding plastic sealing, and the sealing structure is complicated and the production cost is high. Therefore, it is necessary to develop a new waterproof electronic scale to solve the defects of the prior art. Utility Model Content

[0004] The utility model aims to provide a dual-display waterproof electronic scale, aiming to solve the technical defects of the electronic scale in the prior art that the waterproof structure is complicated and cumbersome and the production cost is high.

[0005] To achieve the above-mentioned purpose, the embodiment of the utility model provides a dual-display waterproof electronic scale, comprising a scale frame, the scale frame comprising a bottom shell and a surface shell, and the opposite sides of the surface shell are respectively provided with a front waterproof shell and a rear waterproof shell;

[0006] The front waterproof shell comprises a front outer shell and a front inner shell which are fixedly connected, and a front sealed cavity is formed between the two; a front circuit board module is accommodated in the front sealed cavity; the edge of the front outer shell and the edge of the front inner shell are respectively provided with a first groove and a first flange which match each other; the first flange is inserted into the first groove, and a first sealing ring is provided in the first groove, and the first sealing ring is placed between the first groove and the first flange, so as to seal the front outer shell and the front inner shell;

[0007] The rear waterproof shell includes a rear outer shell and a rear inner shell that are fixedly connected, and a rear sealed cavity is formed between the two, and a rear circuit board module is accommodated in the rear sealed cavity; the edges of the rear outer shell and the rear inner shell are also respectively provided with a second groove and a second flange that match each other; the second flange is inserted into the second groove, and a second sealing ring is provided in the second groove, and the second sealing ring seals the rear outer shell and the rear inner shell.

[0008] Optionally, the front circuit board module is provided with a plurality of buttons, and the front shell is also provided with a button waterproof cover and a button window pane, the button waterproof cover is provided with a plurality of grooves adapted to the buttons, the button waterproof cover is installed at the button window pane, and its periphery fits the front circuit board module so that the grooves are covered on the buttons; the connection between the button waterproof cover and the button window pane is sealed with waterproof glue, and the connection between the button waterproof cover and the front circuit board module is sealed with waterproof glue.

[0009] Optionally, a connecting wire is provided between the front circuit board module and the rear circuit board module, a front wire outlet hole is provided on the front inner shell, and a rear wire outlet hole is provided on the rear inner shell, the connecting wire passes through the front wire outlet hole and the rear wire outlet hole, and the front wire outlet hole and the rear wire outlet hole are respectively sealed with waterproof glue.

[0010] Optionally, an electric wire is connected to the front circuit board module, the electric wire passes through the front wire outlet hole, and the front wire outlet hole is sealed with waterproof glue.

[0011] Optionally, a power supply compartment is provided on the bottom shell of the scale frame, a battery is provided in the power supply compartment, and the power supply compartment is sealed with waterproof glue.

[0012] Optionally, a charging port is installed on the bottom shell of the scale frame, the charging port passes through the bottom shell, and the inner and outer connections with the bottom shell are sealed with waterproof glue, and the charging port is provided with a silicone waterproof plug.

[0013] Optionally, a plurality of first positioning pieces are provided on the upper edge of the front inner shell, and a plurality of positioning columns and positioning grooves are provided on the bottom shell of the scale frame; a slot is provided on the top of the positioning column, the first positioning piece on the upper edge of the front inner shell is inserted into the slot, and the first positioning piece on the lower edge is inserted into the positioning groove, so that the front waterproof shell is installed obliquely relative to the bottom shell of the scale frame.

[0014] Optionally, the rear inner shell and the rear outer shell of the rear waterproof shell are provided with a plurality of second openings that cooperate with each other, and the rear inner shell and the rear outer shell are fixedly connected by inserting a plurality of second screws into the second openings to form a rear sealed cavity; a plurality of second positioning pieces are also provided on the upper edge of the rear inner shell, and a plurality of positioning columns and a plurality of positioning grooves are provided on the bottom shell of the scale frame, a slot is provided on the top of the positioning column, the second positioning piece on the upper edge of the rear inner shell is inserted into the slot, and the second positioning piece on the lower edge is inserted into the positioning groove, so that the rear waterproof shell is installed on the face shell at an angle relative to the bottom shell of the scale frame.

[0015] Optionally, an upper support frame, a lower support frame and a sensor are provided in the scale frame; the lower support frame is fitted and fixed to the sensor, and the lower support frame is fitted and fixed to the sensor, so that the upper support frame, the lower support frame, the bottom shell of the scale frame and the sensor form a weighing and measuring bracket.

[0016] A dual-display waterproof electronic scale, comprising a scale frame, wherein the scale frame comprises a bottom shell and a surface shell, and opposite sides of the surface shell are respectively provided with a front waterproof shell and a rear waterproof shell;

[0017] The front waterproof shell comprises a front outer shell and a front inner shell which are fixedly connected, and a front sealed cavity is formed between the two; a front circuit board module is accommodated in the front sealed cavity; the edge of the front outer shell and the edge of the front inner shell are respectively provided with a first groove and a first flange which match each other; the first flange is inserted into the first groove, and a first sealing ring is provided in the first groove, and the first sealing ring is placed between the first groove and the first flange, so as to seal the front outer shell and the front inner shell;

[0018] The rear waterproof shell comprises a rear outer shell and a rear inner shell which are fixedly connected, a rear sealed cavity is formed between the two, and a rear circuit board module is accommodated in the rear sealed cavity; the connection between the rear outer shell and the rear inner shell is sealed with waterproof glue.

[0019] The working effect of the utility model is as follows: the dual-display waterproof electronic scale comprises a front waterproof shell and a rear waterproof shell, the front waterproof shell is sealed and waterproofed by a front sealing ring, and the rear waterproof shell is sealed and waterproofed by a rear sealing ring, with good waterproof performance, simple structure, low cost, convenient manufacturing and convenient production and installation. The rear waterproof shell is sealed and waterproofed by a rear sealing ring.

[0020] The connection between the button waterproof cover and the front waterproof shell and the connection with the front circuit board mold are sealed with waterproof glue to achieve full waterproofing.

[0021] The two ends of the front wire outlet hole on the front inner shell and the rear wire outlet hole on the rear inner shell are sealed respectively with waterproof glue, thereby further waterproofing.

[0022] The dual-display waterproof electronic scale of the utility model has good waterproof effect, simple waterproof method and is easy to produce and assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0024] Figure 1 This is a structural schematic diagram of the dual-display waterproof electronic scale provided in an embodiment of the utility model.

[0025] Figure 2 This is a front view of the dual-display waterproof electronic scale provided in an embodiment of the utility model.

[0026] Figure 3 For the utility model embodiment Figure 2 sectional view of .

[0027] Figure 4 This is a diagram of the exploded structure of the dual-display waterproof electronic scale provided in an embodiment of the utility model.

[0028] Figure 5 Another exploded structural diagram of the dual-display waterproof electronic scale provided in an embodiment of the utility model.

[0029] Figure 6 A partial structural diagram of the dual-display waterproof electronic scale provided in an embodiment of the utility model, showing the front wire outlet hole on the front inner shell.

[0030] Figure 7 A partial structural diagram of the dual-display waterproof electronic scale provided for an embodiment of the utility model shows the rear wire outlet hole on the rear inner shell. For the sake of clarity, the figure does not show connecting wires and electrical wires.

[0031] Among them, the reference numerals in the figure are:

[0032] 100, scale frame; 101, bottom shell; 102, top shell; 103, silicone gasket; 104, transparent panel; 105, tray; 106, support feet; 107, front observation window, 108, rear observation window; 109, charging port; 200, front waterproof shell; 202, front sealing cavity; 220, front outer shell; 230, front inner shell; 240, first sealing ring; 201, first screw; 300, rear waterproof shell; 302, rear sealing cavity; 320, rear outer shell; 330, rear inner shell; 340, second sealing ring; 120, upper support frame; 150, lower support frame; 110, positioning column; 232, first positioning piece; 111, positioning groove; 112, slot; 332 , second positioning piece; 180, level; 160, support platform; 161, second screw; 162, boss; 163, support cover; 140, power supply compartment; 170, power supply interface; 130, sensor; 210, front circuit board module; 211, button; 212, front display screen; 222, front transparent window; 250, button waterproof cover; 203, button grille; 223, button window pane; 310, rear circuit board module; 311, rear display screen; 221, first groove; 231, first flange; 234, front wire outlet hole, 235, wire; 321, second groove; 331, second flange; 323, rear transparent window, 334, rear wire outlet hole; 401, connecting line. DETAILED DESCRIPTION

[0033] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0034] In the description of the embodiments of the present invention, it should be understood that if there are directional indications in the embodiments of the present invention, such as up, down, left, right, front, back, inside, outside, etc., the directions or positional relationships indicated are based on the directions or positional relationships shown in the accompanying drawings. This is only for the convenience of describing the embodiments of the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, it should not be understood as a limitation on the present invention.

[0035] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0036] In the embodiments of the present invention, unless otherwise clearly specified and limited, if there are terms such as "installed", "connected", "connected", "fixed", etc., they should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0037] In one embodiment of the present invention, Figure 1-Figure 7 As shown, a dual-display waterproof electronic scale is provided, comprising a scale frame 100, wherein the scale frame comprises a bottom shell 101 and a surface shell 102. A front waterproof shell 200 and a rear waterproof shell 300 are respectively disposed on opposite sides of the surface shell 102.

[0038] The front waterproof housing 200 comprises a front outer housing 220 and a front inner housing 230 which are fixedly connected, and a front sealed cavity 202 is formed between the two; a front circuit board module 210 is accommodated in the front sealed cavity 202. The edges of the front outer housing 220 and the edges of the front inner housing 230 are respectively provided with a first groove 221 and a first flange 231 which cooperate with each other. The first flange 231 is inserted into the first groove 221, and a first sealing ring 240 is provided in the first groove 221. The first sealing ring 240 is placed between the first groove 221 and the first flange 231, so that the front outer housing 220 and the front inner housing 230 are sealed and connected to achieve a waterproof function.

[0039] The rear waterproof housing 300 includes a rear outer housing 320 and a rear inner housing 330 that are fixedly connected, and a rear sealed cavity 302 is formed between the two, and a rear circuit board module 310 is accommodated in the rear sealed cavity 302. The edges of the rear outer housing 320 and the rear inner housing 330 are also respectively provided with a second groove 321 and a second flange 331 that cooperate with each other. The second flange 331 is inserted into the second groove 321, and a second sealing ring 340 is provided in the second groove 321. The second sealing ring 340 seals and connects the rear outer housing 320 and the rear inner housing 330 to achieve a waterproof function.

[0040] The front circuit board module 210 is provided with a plurality of buttons 211, and the front housing 220 is also provided with a button pane 223 and a button waterproof cover 250. The button waterproof cover 250 is provided with a plurality of grooves adapted to the buttons 211. The waterproof button cover 250 is installed at the button pane 223, and its periphery is attached to the front circuit board module 210, so that the grooves are attached to the buttons 211. The connection between the button waterproof cover 250 and the button pane 223 is sealed with waterproof glue, and the connection between the button waterproof cover 250 and the front circuit board module 210 is sealed with waterproof glue, so as to achieve full waterproofing. The grooves on the button waterproof cover 250 extend out of the button pane 223, which is convenient for user operation.

[0041] Reference Figure 6 and Figure 7 A connecting wire 401 is provided between the front circuit board module 210 and the rear circuit board module 310, a front wire outlet hole 234 is provided on the front inner shell 230, and a rear wire outlet hole 334 is provided on the rear inner shell 330. The connecting wire 401 passes through the front wire outlet hole 234 and the rear wire outlet hole 334, and the front wire outlet hole 234 and the rear wire outlet hole 334 are respectively sealed with waterproof glue, thereby further waterproofing.

[0042] The front circuit board module 210 is connected to a wire 235 , and the wire 235 passes through the front wire outlet hole 334 , and the front wire outlet hole 234 is sealed with waterproof glue.

[0043] A power supply compartment 140 is also provided in the scale frame 100 . The power supply compartment 140 is provided in the cavity behind the front waterproof shell 200 and is used to accommodate batteries. The power supply compartment 140 is sealed with waterproof glue.

[0044] A charging port 109 is installed on the bottom shell 101 of the scale frame 100. The charging port 109 passes through the bottom shell 101, and the inner and outer connections with the bottom shell 101 are sealed with waterproof glue; the charging port is provided with a silicone waterproof plug (not shown).

[0045] The front circuit board module 210 is also provided with a front display screen 212 for displaying the weight of the weighed object, the power of the electronic scale, the temperature and other information, so that the seller and the buyer can observe the weight of the weighed object at the same time. The front housing 220 is provided with a front transparent window 222 at a position corresponding to the front display screen 212. The front shell 202 is provided with a front observation window 107 at a position corresponding to the front transparent window 222, so as to observe the results displayed by the front display screen 212.

[0046] The front inner shell 230 and the front outer shell 220 of the front waterproof shell 200 are provided with a plurality of first openings that cooperate with each other. The front inner shell 230 and the front outer shell 220 are fixedly connected to the face shell 102 by inserting a plurality of first screws 201 into the first openings to form a front sealed cavity 202. The front circuit board module 210 is accommodated in the front sealed cavity 202. The upper edge of the front inner shell 230 is also provided with a plurality of first positioning pieces 232. The bottom shell 101 of the scale frame 100 is provided with a plurality of positioning posts 110 and positioning grooves 111. The top of the positioning post 110 is provided with a slot 112. The first positioning piece 232 on the upper edge of the front inner shell is inserted into the slot 112, and the first positioning piece 232 on the lower edge is inserted into the positioning groove 111. Thus, the front waterproof shell 200 is installed tilted relative to the bottom shell 101 of the scale frame 100, so that the user can observe the weighing result conveniently.

[0047] The rear inner shell 330 and the rear outer shell 320 of the rear waterproof shell 300 are provided with a plurality of second openings that cooperate with each other. The rear inner shell 330 and the rear outer shell 320 are fixedly connected by inserting a plurality of second screws 201 into the second openings to form a rear sealed cavity 302. The upper edge of the rear inner shell 330 is also provided with a plurality of second positioning pieces 332. The bottom shell 101 of the scale frame 100 is provided with a plurality of positioning posts 110 and a plurality of positioning grooves 111. The top of the positioning post 110 is provided with a slot 112. The second positioning piece 332 at the upper edge of the rear inner shell is inserted into the slot 112, and the second positioning piece 332 at the lower edge is inserted into the positioning groove 111, so that the rear waterproof shell 300 is tiltedly installed on the face shell 102 relative to the bottom shell 101 of the scale frame 100, so that the user can observe the weighing result conveniently.

[0048] The rear circuit board module 310 is accommodated in the rear sealed cavity 302, and a rear display screen 311 is provided on the side close to the rear outer shell 320. The rear outer shell 320 is provided with a rear transparent window 323 corresponding to the rear display screen 311, and the face shell 102 is provided with a rear observation window 108 at a position corresponding to the rear transparent window 323, so as to facilitate observation of the results displayed on the rear display screen 311.

[0049] The bottom shell 101 of the scale frame 100 is provided with a plurality of supporting feet 106. The bottom ends of the supporting feet 106 touch the ground, and the upper ends are mounted on the bottom shell 101 of the scale frame 100, so that the bottom surface 101 of the scale frame 100 is separated from the placement surface by a certain distance, so as to facilitate the movement of the electronic scale.

[0050] The scale frame 100 is provided with an upper support frame 120, a lower support frame 150 and a sensor 130. The lower support frame 120 is fitted and fixed to the sensor 130, and the lower support frame 150 is fitted and fixed to the sensor, so that the upper support frame 120, the lower support frame 150, the bottom shell 101 of the scale frame 100 and the sensor 130 form a weighing and measuring bracket.

[0051] A button grid 203 is provided at the position where the front shell 102 is aligned with the button window pane 223 of the front waterproof shell 200. The button waterproof cover 250 on the front shell 220 extends out of the button grid 203 to facilitate user operation. According to the user's usage habits, a layer of silicone gasket 103 can also be added to the button grid 203. The silicone gasket 103 can reduce the wear of the button waterproof cover 250 and prevent certain dust from entering the cavity of the electronic scale. The transparent panel 104 on the step surface of the front shell 102 aligned with the rear waterproof shell 300 prevents dust from entering the electronic scale and accumulating, keeping the cavity clean.

[0052] The support platform 160 is arranged in the opening of the upper support frame 120 and passes through the corresponding opening of the surface shell 102. The upper end of the support platform 160 abuts against the tray 105 to form a structure for lifting objects. A power interface 170 is also provided on one side of the bottom shell 101. A protective cover (not shown in the figure) can also be provided at the power interface 170 to prevent dust and water from entering therein.

[0053] In this embodiment, the support platform 160 includes: a screw 161, a boss 162 and a support cover 163. The boss 162 is provided with a groove, which is arranged in the through hole of the upper support frame 120. The lower end of the support cover 163 is installed in the groove of the boss 162. The screw 161 is arranged in the boss 162 and the support cover 163, and serves as a working surface for lifting the tray 105.

[0054] In this embodiment, a groove is provided at the center of the front side of the surface shell 102, and a level 180 is provided in the groove to facilitate observation of whether the electronic scale is in a horizontal position to ensure accurate measurement.

[0055] A dual-display waterproof electronic scale includes a scale frame 100, wherein the scale frame 100 includes a bottom shell 101 and a surface shell 102. A front waterproof shell 200 and a rear waterproof shell 300 are respectively disposed on opposite sides of the surface shell 102;

[0056] The front waterproof housing 200 comprises a front outer housing 220 and a front inner housing 230 which are fixedly connected, and a front sealed cavity 202 is formed between the two; a front circuit board module 210 is accommodated in the front sealed cavity 202. The edges of the front outer housing 220 and the edges of the front inner housing 230 are respectively provided with a first groove 221 and a first flange 231 which cooperate with each other. The first flange 231 is inserted into the first groove 221, and a first sealing ring 240 is provided in the first groove 221. The first sealing ring 240 is placed between the first groove 221 and the first flange 231, so that the front outer housing 220 and the front inner housing 230 are sealed and connected to achieve a waterproof function.

[0057] The rear waterproof shell 300 includes a rear outer shell 320 and a rear inner shell 330 that are fixedly connected, and a rear sealed cavity 302 is formed between the two. A rear circuit board module 310 is accommodated in the rear sealed cavity 302; the connection between the rear outer shell 320 and the rear inner shell 330 is sealed with waterproof glue.

[0058] The rest of this embodiment is the same as the first embodiment. The features not explained in this embodiment are all based on the explanations in the first embodiment and will not be described in detail here.

[0059] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A dual-display waterproof electronic scale, comprising a scale frame, wherein the scale frame comprises a bottom shell and a top shell, characterized in that: A front waterproof shell and a rear waterproof shell are respectively provided on opposite sides of the face shell; The front waterproof shell comprises a front outer shell and a front inner shell which are fixedly connected, and a front sealed cavity is formed between the two; a front circuit board module is accommodated in the front sealed cavity; the edge of the front outer shell and the edge of the front inner shell are respectively provided with a first groove and a first flange which match each other; the first flange is inserted into the first groove, and a first sealing ring is provided in the first groove, and the first sealing ring is placed between the first groove and the first flange, so as to seal the front outer shell and the front inner shell; The rear waterproof shell includes a rear outer shell and a rear inner shell that are fixedly connected, and a rear sealed cavity is formed between the two, and a rear circuit board module is accommodated in the rear sealed cavity; the edges of the rear outer shell and the rear inner shell are also respectively provided with a second groove and a second flange that match each other; the second flange is inserted into the second groove, and a second sealing ring is provided in the second groove, and the second sealing ring seals the rear outer shell and the rear inner shell.

2. The dual-display waterproof electronic scale according to claim 1, characterized in that: The front circuit board module is provided with a plurality of buttons, and the front housing is also provided with a button waterproof cover and a button window pane. The button waterproof cover is provided with a plurality of grooves adapted to the buttons, and the button waterproof cover is installed at the button window pane, and its periphery fits the front circuit board module so that the grooves are covered on the buttons; the connection between the button waterproof cover and the button window pane is sealed with waterproof glue, and the connection between the button waterproof cover and the front circuit board module is sealed with waterproof glue.

3. The dual display waterproof electronic scale according to claim 1, characterized in that: A connecting wire is provided between the front circuit board module and the rear circuit board module, a front wire outlet hole is provided on the front inner shell, and a rear wire outlet hole is provided on the rear inner shell. The connecting wire passes through the front wire outlet hole and the rear wire outlet hole, and the front wire outlet hole and the rear wire outlet hole are sealed respectively with waterproof glue.

4. The dual-display waterproof electronic scale according to claim 3, characterized in that: The front circuit board module is connected with an electric wire, the electric wire passes through the front wire outlet hole, and the front wire outlet hole is sealed with waterproof glue.

5. The dual-display waterproof electronic scale according to claim 1, characterized in that: A power supply compartment is arranged on the bottom shell of the scale frame, a battery is arranged in the power supply compartment, and the power supply compartment is sealed with waterproof glue.

6. The dual-display waterproof electronic scale according to claim 1, characterized in that: A charging port is installed on the bottom shell of the scale frame. The charging port passes through the bottom shell, and the inner and outer connections with the bottom shell are sealed with waterproof glue; the charging port is provided with a silicone waterproof plug.

7. The dual-display waterproof electronic scale according to any one of claims 1 to 6, characterized in that: A plurality of first positioning pieces are also provided on the upper edge of the front inner shell, and a plurality of positioning posts and positioning grooves are provided on the bottom shell of the scale frame; a slot is provided on the top of the positioning post, the first positioning piece on the upper edge of the front inner shell is inserted into the slot, and the first positioning piece on the lower edge is inserted into the positioning groove, so that the front waterproof shell is installed obliquely relative to the bottom shell of the scale frame.

8. The dual-display waterproof electronic scale according to any one of claims 1 to 6, characterized in that: The rear inner shell and the rear outer shell of the rear waterproof shell are provided with a plurality of second openings that cooperate with each other, and the rear inner shell and the rear outer shell are fixedly connected by inserting a plurality of second screws into the second openings to form a rear sealed cavity; a plurality of second positioning pieces are also provided on the upper edge of the rear inner shell, and a plurality of positioning columns and a plurality of positioning grooves are provided on the bottom shell of the scale frame, and a slot is provided on the top of the positioning column, and the second positioning piece on the upper edge of the rear inner shell is inserted into the slot, and the second positioning piece on the lower edge is inserted into the positioning groove, so that the rear waterproof shell is installed on the face shell at an angle relative to the bottom shell of the scale frame.

9. The dual-display waterproof electronic scale according to any one of claims 1 to 6, characterized in that: An upper support frame, a lower support frame and a sensor are arranged in the scale frame; the lower support frame is fitted and fixed to the sensor, and the lower support frame is fitted and fixed on the sensor, so that the upper support frame, the lower support frame, the bottom shell of the scale frame and the sensor form a weighing and measuring bracket.

10. A dual-display waterproof electronic scale, comprising a scale frame, wherein the scale frame comprises a bottom shell and a top shell, characterized in that: A front waterproof shell and a rear waterproof shell are respectively provided on opposite sides of the face shell; The front waterproof shell comprises a front outer shell and a front inner shell which are fixedly connected, and a front sealed cavity is formed between the two; a front circuit board module is accommodated in the front sealed cavity; the edge of the front outer shell and the edge of the front inner shell are respectively provided with a first groove and a first flange which match each other; the first flange is inserted into the first groove, and a first sealing ring is provided in the first groove, and the first sealing ring is placed between the first groove and the first flange, so as to seal the front outer shell and the front inner shell; The rear waterproof shell comprises a rear outer shell and a rear inner shell which are fixedly connected, a rear sealed cavity is formed between the two, and a rear circuit board module is accommodated in the rear sealed cavity; the connection between the rear outer shell and the rear inner shell is sealed with waterproof glue.

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