Ultrathin self-generating electronic scale

Abstract

The utility model discloses an ultrathin self-generating electronic scale, comprising a scale surface, an upper cover and a bottom cover, a first cavity is formed between the upper cover and the bottom cover, the bottom cover is provided with a plurality of first through holes, weighing sensors are installed in the first through holes, the weighing sensors are electrically connected with a display module, and the display module is electrically connected with the scale surface. The self-power-generating device is fixed to the bottom cover, the rack is located at the top position in the fixing shell and connected with the multi-stage gear set in a meshed mode, one end of the connecting rod is hinged to the rack to push and pull the rack to move front and back, the other end of the connecting rod is hinged to the upper cover, and the multi-stage gear set rotates to push the power generator to generate power. The upper cover is pressed down by stepping on the weighing surface, the connecting rod pushes the rack to drive the multi-stage gear set to rotate, the generator is driven to generate electric energy, the electric energy is transmitted to the display module and the weighing sensor, kinetic energy is converted into electric energy to start the electronic scale, the surface of the electronic scale is smooth, and an independent key assembly is omitted.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic scale field especially, it is a kind of ultra -thin self -generating electricity electronic scale. BACKGROUND

[0002] One kind of electronic scale with self-power function in prior art, only need user with certain force act on the force adding operating member on scale surface, drive inside a micro generator to generate electricity through mechanical transmission device in scale body, generate electric energy for electronic scale to work.

[0003] Such as Chinese patent CN109238432A, patent name: a self-generating electricity electronic scale, it is disclosed that the surface of electronic scale has button assembly, generates electricity by button assembly to press down pressure lever, make rack block activity drive gear set, the problem of this structure is, because the surface of electronic scale has button assembly, it is easy to damage in the process of use to kick button assembly, and button assembly will occupy the area of electronic scale footstep to cause inconvenient to use. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of ultra -thin self -generating electricity electronic scale, solve the problem that electronic scale in prior art is easy to damage in the process of use to kick button assembly, and button assembly will occupy the area of electronic scale footstep to cause inconvenient to use.

[0005] The utility model discloses a kind of ultra -thin self -generating electricity electronic scale, solve the problem that electronic scale in prior art is easy to damage in the process of use to kick button assembly, and button assembly will occupy the area of electronic scale footstep to cause inconvenient to use.

[0006] The utility model discloses a kind of ultra -thin self -generating electricity electronic scale, including scale face, upper cover and bottom cover, the upper cover is covered on bottom cover, and gap is left between the side wall of upper cover and the side wall of bottom cover, first cavity is formed between the upper cover and bottom cover, the scale face is fixed on upper cover surface, a plurality of first through holes are provided on the bottom cover, weighing sensor is mounted in the first through hole, a plurality of springs are provided in the first cavity, self-generating electricity device and display module are provided in the first cavity, the self-generating electricity device is electrically connected with display module, and is used to power supply display module, the weighing sensor is electrically connected with display module.

[0007] The self-generating electricity device is fixed on bottom cover, the self-generating electricity device includes fixed shell, rack, connecting rod, multistage gear set and generator, the rack is located at the top position in fixed shell, and is toothed connection with multistage gear set, one end of the connecting rod is hinged with rack to push and pull rack to move back and forth, the other end of the connecting rod is hinged on upper cover, the multistage gear set rotates and pushes generator to generate electricity.

[0008] The top position in the above-mentioned fixed shell is provided with a chute, and the rack is located in the chute to move.

[0009] The first collar is arranged in the upper cover, the second collar is arranged on the bottom cover, and the spring is located in the first collar and the second collar.

[0010] The multi-stage gear set comprises a plurality of gear set tooth engagement drives, wherein the gear set comprises coaxial large gears and small gears, the rack is toothed with the small gears of the first gear set, the large gears of the first gear set are toothed with the small gears of the second gear set, the large gears of the second gear set are toothed with the small gears of the third gear set, and the independent small gears are arranged on the generator, and the large gears of the third gear set are toothed with the independent small gears of the generator.

[0011] The weighing sensor comprises an upper fixing frame and a lower fixing frame, the upper fixing frame and the lower fixing frame are buckled and connected, and the sensor is arranged between the upper fixing frame and the lower fixing frame.

[0012] The lower fixing frame is provided with a gasket at the bottom position.

[0013] The fixed shell is provided with a plurality of grooves at the bottom position of the multi-stage gear set.

[0014] Compared with the prior art, the utility model has the following effects:

[0015] 1) The utility model discloses an ultrathin self-power generation electronic scale, including the scale surface, upper cover and bottom cover, the upper cover is covered on the bottom cover, and the side wall between the upper cover and the side wall of bottom cover leaves the gap, the first cavity is formed between the upper cover and bottom cover, the scale surface is fixed on the upper cover surface, a plurality of first through -holes are formed on the bottom cover, the weighing sensor is installed in the first through -hole, a plurality of springs are arranged in the first cavity, the self-power generation device and display module are arranged in the first cavity, the self-power generation device is electrically connected with display module, and is used for power supply to display module, the weighing sensor is electrically connected with display module, the self-power generation device is fixed on the bottom cover, the self-power generation device includes fixed shell, rack, connecting rod, multi-stage gear set and generator, the rack is located at the top position in the fixed shell and is toothed with the multi-stage gear set, one end of the connecting rod is hinged with the rack to push and pull the rack to move back and forth, the other end of the connecting rod is hinged on the upper cover, the multi-stage gear set rotates and drives the generator to generate electricity, through the foot treads the scale surface and lets the upper cover to press down, the connecting rod drives the rack to rotate and drives the generator to generate electricity, and the display module and the weighing sensor are supplied with electric energy, realize the conversion of kinetic energy and electric energy and start the electronic scale, and the electronic scale surface is flat, and the independent key assembly is removed.

[0016] 2) Other advantages of the utility model are described in detail in the embodiment part of the specification. DRAWINGS:

[0017] Figure 1 is a perspective view of the ultrathin self-generating electronic scale provided by the embodiment of the present application;

[0018] Figure 2 is a sectional view of the ultrathin self-generating electronic scale provided by the embodiment of the present application;

[0019] Figure 3 is an exploded view of the ultrathin self-generating electronic scale provided by the embodiment of the present application;

[0020] Figure 4 is an exploded view of the self-generating device provided by the embodiment of the present application;

[0021] Figure 5 is an exploded view of the self-generating device provided by the embodiment of the present application;

[0022] Figure 6 is an exploded view of the weighing sensor provided by the embodiment of the present application. DETAILED DESCRIPTION

[0023] It should be noted that the embodiments and features in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0024] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should be within the scope of protection of the present application.

[0025] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than that illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0026] As Figures 1 to 6As shown, the embodiment provides a kind of ultra-thin self-generating electronic scale, including scale face 1, upper cover 2 and bottom cover 3, the upper cover 2 is covered on bottom cover 3, first cavity is formed between the upper cover 2 and bottom cover 3, the scale face 1 is fixed on the surface of upper cover 2, the bottom cover 3 is provided with a plurality of first through holes 101, the weighing sensor 11 is installed in the first through hole 101, a plurality of springs 12 are arranged in the first cavity, and the spring 12 is used to support the upper cover 2 and realize the effect of reset.The first cavity is provided with self-generating device 4 and display module 13, the self-generating device 4 is electrically connected with display module 13, and is used to power supply display module 13, the weighing sensor 11 is electrically connected with display module 13, and the weighing sensor 11 is used to receive the weight on the upper cover 2, then the value is sent to display module 13, the self-generating device 4 is fixed on the bottom cover 3, the self-generating device 4 includes fixed shell 41, rack 42, connecting rod 43, multi-stage gear set 44 and generator 45, the rack 42 is located at the top position in the fixed shell 41, and is toothed with multi-stage gear set 44, one end of the connecting rod 43 is hinged with the rack 42 to push and pull the rack 42 to move back and forth, the other end of the connecting rod 43 is hinged on the upper cover 2, the multi-stage gear set 44 rotates to drive the generator 45 to generate electricity, when the upper cover 2 is pressed down, the upper cover 2 drives the connecting rod 43 to rotate to drive the rack 42 to move in the fixed shell 41, the rack 42 drives the multi-stage gear set 44 to rotate, finally the rotating speed of generator 45 is the fastest to generate electric energy, and display module 13 will start to generate electricity to weighing sensor 11, in use, user steps on the scale face 1, the generator 45 is driven by multi-stage gear set 44 to generate electric energy to display module 13, and then continue to step on to work normally and weigh, realize kinetic energy conversion electric energy to start electronic scale, electronic scale surface is flat, and independent key component is removed.

[0027] As an alternative embodiment, the top position in the fixed shell 41 is provided with a chute 410, and the rack 42 is located in the chute 410 to move, so that the rack 42 will not be offset.

[0028] As an alternative embodiment, the upper cover 2 is provided with a first sleeve 21, the bottom cover 3 is provided with a second sleeve 31, the spring 12 is located in the first sleeve 21 and the second sleeve 31, and the first sleeve 21 and the second sleeve 31 can prevent the spring 12 from displacement.

[0029] As an optional embodiment, the multi-stage gear set 44 comprises several gear set meshing drives, wherein the gear set respectively comprises a large gear and a small gear coaxially, the rack 42 is meshed with the small gear of the first gear set 441, the large gear of the first gear set 441 is meshed with the small gear of the second gear set 442, the large gear of the second gear set 442 is meshed with the small gear of the third gear set 443, the independent small gear 434 is installed on the generator 45, the large gear of the third gear set 443 is meshed with the independent small gear 434 of the generator 44, the first gear set 441 small gear is driven by the rack 42, and then the large gear drives the small gear in sequence, so that the maximum rotating speed is realized.

[0030] As an optional embodiment, the weighing sensor 11 comprises an upper fixing frame 111 and a lower fixing frame 112, the upper fixing frame 111 and the lower fixing frame 112 are buckled and connected, the lower fixing frame 112 can be used as a foot pad, a sensor 113 is arranged between the upper fixing frame 111 and the lower fixing frame 112, the upper fixing frame 111, the lower fixing frame 112 and the sensor 113 are modularized, and replacement is convenient after damage.

[0031] As an optional embodiment, the bottom of the lower fixing frame 112 is provided with a gasket 114, and the gasket 114 can play a role of anti-skid.

[0032] As an optional embodiment, the first through hole 101 of the bottom cover 3 is provided with at least three buckling plates 14, and the weighing sensor 11 is buckled on the buckling plates 14.

[0033] As an optional embodiment, the fixed shell 41 is provided with several grooves 411, the grooves 411 are located at the bottom of the multi-stage gear set 44, and the grooves 411 can accommodate the multi-stage gear set 44, so that the thickness of the self-generating device 4 is reduced.

[0034] The electronic scale in the prior art is prone to damage caused by kicking the key assembly during use, and the key assembly occupies the area of the foot of the electronic scale, thereby causing inconvenience in use. Therefore, the present application provides an ultra-thin self-power generation electronic scale. The upper cover 2 and the bottom cover 3 are combined, a plurality of springs 12 are arranged in the first cavity, the springs 12 support the upper cover 2 to achieve the reset effect, a self-power generation device 4 and a display module 13 are arranged in the first cavity, the self-power generation device 4 is electrically connected with the display module 13 and is used for power supply of the display module 13, the weighing sensor 11 is electrically connected with the display module 13, and the weighing sensor 11 is used for receiving the weight on the upper cover 2. A user steps on the scale surface 1, the generator 45 is driven by the multi-stage gear set 44 to generate electric energy to the display module 13, and then continues to step on to normally work and weigh, kinetic energy is converted into electric energy to start the electronic scale, the surface of the electronic scale is flat, the independent key assembly is removed, the appearance is improved, and the height can be thinnest.

[0035] The above embodiment is a preferred embodiment of the present application, but the embodiment of the present application is not limited thereto, and any change, modification, replacement, combination, simplification, equivalent replacement and the like made without departing from the spirit and principle of the present application are all included in the protection scope of the present application.

Claims

1. An ultra-thin self-generating electronic scale, comprising a weighing surface (1), an upper cover (2), and a bottom cover (3), wherein the upper cover (2) is fitted onto the bottom cover (3), a first cavity is formed between the upper cover (2) and the bottom cover (3), the weighing surface (1) is fixed to the surface of the upper cover (2), a plurality of first through holes (101) are provided on the bottom cover (3), a weighing sensor (11) is installed in the first through hole (101), and a plurality of springs (12) are provided in the first cavity, characterized in that: The first cavity is provided with a self-generating device (4) and a display module (13). The self-generating device (4) is electrically connected to the display module (13) and is used to supply power to the display module (13). The weighing sensor (11) is electrically connected to the display module (13). The self-generating device (4) is fixed on the bottom cover (3). The self-generating device (4) includes a fixed shell (41), a rack (42), a connecting rod (43), a multi-stage gear set (44), and a generator (45). The rack (42) is located at the top position inside the fixed shell (41) and is meshed with the multi-stage gear set (44). One end of the connecting rod (43) is hinged to the rack (42) to push and pull the rack (42) to move back and forth. The other end of the connecting rod (43) is hinged to the top cover (2). The multi-stage gear set (44) rotates to drive the generator (45) to generate electricity.

2. The ultra-thin self-generating electronic scale according to claim 1, characterized in that: A groove (410) is provided at the top position inside the fixed shell (41), and the rack (42) moves within the groove (410).

3. The ultra-thin self-generating electronic scale according to claim 1, characterized in that: The upper cover (2) is provided with a first collar (21), the bottom cover (3) is provided with a second collar (31), and the spring (12) is located inside the first collar (21) and the second collar (31).

4. The ultra-thin self-generating electronic scale according to claim 1, characterized in that: The multi-stage gear set (44) includes several gear sets meshing drives, wherein each gear set includes a coaxial large gear and a small gear. The rack (42) meshes with the small gear of the first gear set (441), the large gear of the first gear set (441) meshes with the small gear of the second gear set (442), the large gear of the second gear set (442) meshes with the small gear of the third gear set (443), and an independent small gear (444) is installed on the generator (45). The large gear of the third gear set (443) meshes with the independent small gear (444) of the generator (45).

5. The ultra-thin self-generating electronic scale according to claim 1, characterized in that: The weighing sensor (11) includes an upper fixed frame (111) and a lower fixed frame (112), which are fastened together, and a sensor (113) is disposed between the upper fixed frame (111) and the lower fixed frame (112).

6. The ultra-thin self-generating electronic scale according to claim 5, characterized in that: A pad (114) is provided at the bottom of the lower fixing frame (112).

7. The ultra-thin self-generating electronic scale according to claim 1, characterized in that: The fixed shell (41) is provided with a plurality of slots (411), which are located at the bottom of the multi-stage gear set (44).

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