Novel self-generating electronic scale

Abstract

The utility model discloses a novel self-generating electronic scale, which comprises a scale surface, an upper cover and a bottom cover, the upper cover covers the bottom cover, a gap is reserved between the side wall of the upper cover and the side wall of the bottom cover, a first cavity is formed between the upper cover and the bottom cover, the scale surface is fixed on the surface of the upper cover, the bottom cover is provided with a plurality of first through holes, and the first through holes are communicated with the first cavity. A weighing sensor is installed in the first through hole, a plurality of springs are arranged in the first cavity, a self-generating device and a display module are arranged in the first cavity, the self-generating device is electrically connected with the display module and used for supplying power to the display module, and the weighing sensor is electrically connected with the display module. The upper cover is pressed down by stepping on the scale surface, a rack in the self-generating device and the multi-stage gear set move in opposite directions, so that the generator generates electric energy and transmits the electric energy to the display module and the weighing sensor, kinetic energy is converted into electric energy to start the electronic scale, the surface of the whole electronic scale is smooth, and an independent key assembly is omitted.

Description

Technical fields:

[0001] This utility model relates to the field of electronic scales, and in particular to a novel self-generating electronic scale. Background technology:

[0002] One type of electronic scale with self-powered function in the prior art only requires the user to apply a certain force to the force-applying operating component on the scale surface. This force is then used by a mechanical transmission device inside the scale body to drive an internal micro generator to generate electricity to power the electronic scale.

[0003] For example, Chinese patent CN109238432A, titled "A Self-generating Electronic Scale," discloses a scale with a button assembly on its surface. Pressing the button assembly applies pressure to a lever, causing a rack and pinion slider to move and drive a gear set to generate electricity. The problem with this structure is that because the button assembly is on the surface of the scale, it is easy to be kicked and damaged during use. In addition, the button assembly occupies the area where the scale can be stepped on, making it inconvenient to use. Utility model content:

[0004] The purpose of this invention is to provide a new type of self-generating electronic scale, which solves the problems in the prior art where electronic scales are easily damaged by kicking the button components during use, and where the button components occupy the area where the feet can stand on the electronic scale, making it inconvenient to use.

[0005] The objective of this utility model is achieved through the following technical solution.

[0006] The purpose of this utility model is to provide a novel self-generating electronic scale, including a weighing surface, an upper cover, and a bottom cover. The upper cover is fitted onto the bottom cover, and a gap is left between the side walls of the upper cover and the side walls of the bottom cover, forming a first cavity. The weighing surface is fixed to the surface of the upper cover. The bottom cover is provided with a plurality of first through holes, and a weighing sensor is installed in each of the first through holes. A plurality of springs are provided in the first cavity, and a self-generating device and a display module are provided in the first cavity. The self-generating device is electrically connected to the display module and is used to supply power to the display module. The weighing sensor is electrically connected to the display module.

[0007] The self-generating device includes a fixed housing, a rack, a multi-stage gear set, and a generator. The rack and the generator are located on opposite sides inside the fixed housing. The multi-stage gear set is located between the rack and the generator. The rack is meshed with the multi-stage gear set on one side, and the generator is meshed with the multi-stage gear set on the other side. The fixed housing is fixed inside the upper cover, and the rack is located inside the fixed housing, with its end vertically fixed to the bottom cover.

[0008] 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.

[0009] 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 gear of the first gear set, the large gear of the first gear set is toothed with the small gear of the second gear set, the large gear of the second gear set is toothed with the small gear of the third gear set, the generator is installed on the independent small gear, and the large gear of the third gear set is toothed with the independent small gear of the generator.

[0010] 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.

[0011] A gasket is arranged at the bottom position of the lower fixing frame.

[0012] At least three buckling plates are arranged around the first through hole of the bottom cover, and the weighing sensor is buckled on the buckling plates.

[0013] Compared with the prior art, the utility model has the following effects:

[0014] 1) The utility model discloses a novel self-generating electronic scale, which comprises a scale surface, an upper cover and a bottom cover, the upper cover is covered on the bottom cover, a gap is left between the side wall of the upper cover and the side wall of the bottom cover, a first cavity is formed between the upper cover and the bottom cover, the scale surface is fixed on the surface of the upper cover, a plurality of first through holes are arranged on the bottom cover, a weighing sensor is installed in the first through hole, a plurality of springs are arranged in the first cavity, a self-generating device and a display module are arranged in the first cavity, the self-generating device is electrically connected with the display module and is used for supplying power to the display module, the weighing sensor is electrically connected with the display module, the self-generating device comprises a fixed shell, a rack, a multi-stage gear set and a generator, the rack and the generator are located at the two sides in the fixed shell, the multi-stage gear set is located between the rack and the generator, the rack is toothed with one side of the multi-stage gear set, the generator is toothed with the other side of the multi-stage gear set, the fixed shell is fixed in the upper cover, the rack is located in the fixed shell, and the end of the rack is vertically fixed on the bottom cover, when the scale surface is stepped on, the upper cover is pressed downward, the rack in the self-generating device moves in the opposite direction of the multi-stage gear set, so that the generator generates electric energy, the electric energy is transmitted to the display module and the weighing sensor, kinetic energy conversion electric energy is realized to start the electronic scale, the surface of the entire electronic scale is flat, and the independent key assembly is removed.

[0015] 2) Other advantages of the utility model are described in detail in the embodiment part of the specification. BRIEF DESCRIPTION OF DRAWINGS:

[0016] Figure 1 is a perspective view of a novel self-power generation electronic scale provided by the embodiment of the present application;

[0017] Figure 2 is a sectional view of a novel self-power generation electronic scale provided by the embodiment of the present application;

[0018] Figure 3 is an exploded view of a novel self-power generation electronic scale provided by the embodiment of the present application;

[0019] Figure 4 is an internal structure view of a novel self-power generation electronic scale provided by the embodiment of the present application;

[0020] Figure 5 is a sectional view of a novel self-power generation electronic scale provided by the embodiment of the present application;

[0021] Figure 6 is an exploded view of a weighing sensor provided by the embodiment of the present application;

[0022] Figure 7 is an exploded view of a self-power generation device 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 to enable 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, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work should belong to the protection scope of the present application.

[0025] It has to be noted that the terms "first", "second", etc. as used in the description and the claims and the above figures of the present application are used to distinguish between similar objects, not necessarily described by their chronological order. The use of these terms, e.g. "first" and "second" is in accordance with their usage in the art, and merely intended to distinguish between two steps or units which have the same name but which are distinguished by their sequence. It is to be understood that the data thus designated can be interchanged, where appropriate, so that an embodiment of the application described herein can be carried out in a sequence other than the one illustrated or described herein. Furthermore, the terms "comprising" and "including" and any of their derivatives, are intended to cover the non-exclusive inclusion of the stated elements, e.g. a process, method, system, product, or apparatus that comprises a list of steps or units, without necessarily being limited to only those steps or units which are clearly listed, but can include other steps or units not expressly listed or inherent to such process, method, product, or apparatus.

[0026] As Figures 1 to 7As shown, the embodiment provides a new self-generating electronic scale, which comprises a scale surface 1, an upper cover 2 and a bottom cover 3, the upper cover 2 is covered on the bottom cover 3, and a gap is left between the side wall of the upper cover 2 and the side wall of the bottom cover 3, a first cavity is formed between the upper cover 2 and the bottom cover 3, the scale surface 1 is fixed on the surface of the upper cover 2, a plurality of first through holes 101 are arranged on the bottom cover 3, a 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 to achieve the effect of resetting. A self-generating device 4 and a display module 13 are arranged in the first cavity, the self-generating device 4 is electrically connected with the display module 13 and is used to supply power to the display module 13, the weighing sensor 11 is electrically connected with the display module 13, the weighing sensor 11 is used to receive the weight on the upper cover 2, and then sends the value to the display module 13, the self-generating device 4 comprises a fixed shell 41, a rack 42, a multi-stage gear set 43 and a generator 44, the rack 42 and the generator 44 are located at both sides of the fixed shell 41, the multi-stage gear set 43 is located between the rack 42 and the generator 44, the rack 42 is in meshing connection with one side of the multi-stage gear set 43, the generator 44 is in meshing connection with the other side of the multi-stage gear set 43, the fixed shell 41 is fixed in the upper cover 2, the rack 42 is located in the fixed shell 41, and the end of the rack 42 is vertically fixed on the bottom cover 3, when the upper cover is pressed down, the rack drives the multi-stage gear set 43 to rotate, the multi-stage gear set 43 makes the rotation speed of the generator 44 the fastest to generate electric energy, and the display module 13 starts to generate electricity to the weighing sensor 11, in the use process, the user steps on the scale surface and then releases the foot, the generator 44 is driven by the multi-stage gear set 43 to generate electric energy to the display module 13, and then the normal weighing can be realized, the kinetic energy is converted into electric energy to start the electronic scale, the surface of the entire electronic scale is flat, and the independent key component is removed.

[0027] As an optional embodiment, a first sleeve 21 is arranged in the upper cover 2, a second sleeve 31 is arranged on the bottom cover 3, and the spring 12 is located in the first sleeve 21 and the second sleeve 31, the first sleeve 21 and the second sleeve 31 can prevent the spring 12 from being displaced.

[0028] As an optional embodiment, the multi-stage gear set 43 comprises several gear set toothed drives, wherein the gear set each comprises a coaxial large gear and a small gear, the rack 42 is toothed with the small gear of the first gear set 431, the large gear of the first gear set 431 is toothed with the small gear of the second gear set 432, the large gear of the second gear set 432 is toothed with the small gear of the third gear set 433, the generator 44 is installed on the independent small gear 434, the large gear of the third gear set 433 is toothed with the independent small gear 434 of the generator 44, the first gear set 431 small gear is driven by the rack 42, and then the large gear drives the small gear in sequence to achieve the maximum speed.

[0029] 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, and 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 are convenient to replace after damage.

[0030] As an optional embodiment, the bottom of the lower fixing frame 112 is provided with a gasket 114, which can play a role of anti-skid.

[0031] As an optional embodiment, at least three buckling plates 14 are arranged around the first through hole 101 of the bottom cover 3, and the weighing sensor 11 is buckled on the buckling plates 14.

[0032] In the prior art, the electronic scale is prone to damage caused by kicking the key assembly during use, and the key assembly occupies the area of the electronic scale stepped on, causing inconvenience in use. Therefore, a new self-generating electronic scale is provided. Through the combination of the upper cover 2 and the bottom cover 3, 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-generating device 4 and a display module 13 are arranged in the first cavity, the self-generating 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. The user steps on it and then releases the foot. The generator 44 is driven by the multi-stage gear set 43 to generate electric energy for the display module 13. Then the electronic scale can be normally weighed, kinetic energy is converted into electric energy to start the electronic scale, the surface of the entire electronic scale is flat, and the independent key assembly is removed. The key assembly protrudes, the upper cover is pressed down through the foot stepping on the scale surface, the rack in the self-generating device moves in the opposite direction of the multi-stage gear set, and then the generator generates electric energy, which is transmitted to the display module and the weighing sensor, kinetic energy is converted into electric energy to start the electronic scale, and the surface of the entire electronic scale is flat.

[0033] 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, etc. made without departing from the spirit and principle of the present application is an equivalent replacement mode, and all of them are included in the protection scope of the present application.

Claims

1. A novel 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), and a gap is left between the side wall of the upper cover (2) and the side wall of the bottom cover (3), forming a first cavity between the upper cover (2) and the bottom cover (3), the weighing surface (1) is fixed to the surface of the upper cover (2), and the bottom cover (3) is provided with a plurality of first through holes (101), wherein 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) includes a fixed housing (41), a rack (42), a multi-stage gear set (43), and a generator (44). The rack (42) and the generator (44) are located on both sides inside the fixed housing (41). The multi-stage gear set (43) is located between the rack (42) and the generator (44). The rack (42) is meshed with the multi-stage gear set (43) on one side, and the generator (44) is meshed with the multi-stage gear set (43) on the other side. The fixed housing (41) is fixed inside the upper cover (2). The rack (42) is located inside the fixed housing (41), and the end of the rack (42) is vertically fixed to the bottom cover (3).

2. The novel 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).

3. The novel self-generating electronic scale according to claim 1, characterized in that: The multi-stage gear set (43) 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 (431), the large gear of the first gear set (431) meshes with the small gear of the second gear set (432), the large gear of the second gear set (432) meshes with the small gear of the third gear set (433), the generator (44) is mounted on an independent small gear (434), and the large gear of the third gear set (433) meshes with the independent small gear (434) of the generator (44).

4. The novel 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).

5. A novel self-generating electronic scale according to claim 4, characterized in that: A pad (114) is provided at the bottom of the lower fixing frame (112).

6. A novel self-generating electronic scale according to claim 4, characterized in that: At least three buckle plates (14) are provided around the first through hole (101) of the bottom cover (3), and the weighing sensor (11) is fastened to the buckle plate (14).

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