Improved electronic scale and double-precision electronic scale

Abstract

This invention provides an improved electronic scale and a double-precision electronic scale, comprising: a housing, a first weighing module, a processor, a display screen, and a color projection lamp. Both the first weighing module and the processor are disposed within the housing, and the first weighing module is electrically connected to the processor. The display screen is embedded in the upper surface of the housing and electrically connected to the processor. The color projection lamp is obliquely disposed on the side wall of the housing and electrically connected to the processor. The purpose of this invention is to provide an improved electronic scale and a double-precision electronic scale to solve the problem of insufficient clarity and legibility of the display on existing electronic scales during cashier operations.

Description

Technical Field

[0001] This invention relates to the field of electronic scale technology, and in particular to an improved electronic scale and a double-precision electronic scale. Background Technology

[0002] Electronic scales are the most commonly used measuring tools in our daily lives, especially in the checkout process of shopping malls and supermarkets. Electronic scales are often used in conjunction with the checkout system to weigh and process bulk goods.

[0003] In the prior art, Chinese patent application number 201610098580.1 discloses an improved electronic scale and a dual-precision electronic scale, including a first loading plate, a first-precision weighing sensor assembly with supporting legs, a second-precision weighing sensor assembly with supporting members, and a force-guiding member for transmitting pressure from the second-precision weighing sensor assembly to the first-precision weighing sensor assembly; the first loading plate is pressed onto the first-precision weighing sensor assembly; the second-precision weighing sensor assembly is located below the first loading plate, and the bottom end of the supporting legs is the lowest end of the electronic scale; the first loading plate has supporting through holes, and the top end of each supporting member is directly opposite a corresponding supporting through hole. This dual-precision electronic scale includes a second loading plate and the aforementioned electronic scale, with the second loading plate pressed onto the supporting members. It can be used as both a large-range, low-precision weight scale and a small-range, high-precision kitchen scale.

[0004] However, when the aforementioned electronic scales are used in POS systems, they are designed to be relatively thin and light for ease of use and storage, displaying weight through a small screen on the top surface. However, electronic scales used in POS systems need to be able to quickly and clearly display the weight of goods so that customers can accurately understand the weight and price of the selected items. In the structure of the aforementioned electronic scales, the screen is not only easily obstructed, but also easily difficult to see when the customer is slightly off-center. Therefore, it is necessary to design an improved electronic scale and a double-precision electronic scale to solve the problem of insufficient clarity in the display of existing electronic scales used for POS transactions. Summary of the Invention

[0005] This invention provides an improved electronic scale to solve the problem that the display of electronic scales during cashier transactions is not clear enough in the prior art.

[0006] Therefore, the technical solution adopted is an improved electronic scale and a double-precision electronic scale of the present invention, comprising: a housing, a first weighing module, a processor, a display screen and a color projection lamp, wherein the first weighing module and the processor are both disposed in the housing, and the first weighing module is electrically connected to the processor; the display screen is embedded in the upper surface of the housing and electrically connected to the processor; and the color projection lamp is obliquely disposed on the side wall of the housing and electrically connected to the processor.

[0007] Preferably, a first control switch is embedded on the upper surface of the housing, and the first control switch is electrically connected to the processor to control the color projection lamp to turn on and off.

[0008] Preferably, it further includes a sterilization component, the sterilization component comprising:

[0009] A support pedal is provided on the upper part of the housing. The support pedal is horizontally positioned, and multiple third springs are fixedly installed between the support pedal and the upper surface of the housing. Multiple drive sleeves are symmetrically fixedly installed at the lower end of the support pedal. The axis of the drive sleeve is vertically positioned. The drive sleeve includes an upper bushing and a lower bushing. The upper end of the upper bushing is fixedly connected to the bottom wall of the support pedal, and the upper bushing and the lower bushing are coaxial. Drive teeth are provided on the lower edge of the upper bushing and the upper edge of the lower bushing, and the drive teeth between the upper bushing and the lower bushing are staggered.

[0010] A fixing ring is fixedly sleeved on the outer circumference of both the upper and lower bushings, and the two fixing rings are fixedly connected by a fixing rod.

[0011] A first sterilization chamber is provided inside the housing below the drive sleeve, and the lower end of the drive sleeve extends into the first sterilization chamber and is slidably connected to the housing.

[0012] A guide slide rod is fixedly installed on the side wall of the first sterilization chamber. The guide slide rod is vertically installed and passes through the fixing ring and is slidably connected to the fixing ring.

[0013] A first drive shaft is sleeved inside the drive sleeve. The first drive shaft is vertically arranged. The upper end of the upper sleeve is closed. The upper end of the first drive shaft is inserted into the upper sleeve. A first spring is fixedly arranged between the upper end of the first drive shaft and the top wall of the upper sleeve. A drive protrusion is fixedly arranged on the side wall of the first drive shaft. The drive protrusion is arranged radially along the first drive shaft. The drive protrusion is located between the upper sleeve and the lower sleeve and can engage with the drive teeth.

[0014] A limiting block is provided in the first sterilization chamber at the lower end of the first drive shaft, which penetrates the bottom wall of the first sterilization chamber and is slidably connected to the housing. The limiting block is fixedly connected to the first drive shaft.

[0015] The second sterilization chamber is provided below the first sterilization chamber. The lower end of the first drive shaft extends into the second sterilization chamber, and a first gear is fixedly provided at the lower end of the first drive shaft.

[0016] A second main shaft is provided on the side of the first drive shaft inside the second sterilization chamber. The second main shaft is vertically arranged and rotatably connected to the housing. A second gear is fixedly arranged on the second main shaft. The second gear meshes with the first gear. A first sprocket is also fixedly arranged on the second main shaft.

[0017] A third main shaft is provided on the side of the second main shaft inside the second sterilization chamber. The third main shaft is vertically arranged and rotatably connected to the housing. A second sprocket is fixedly arranged on the third main shaft. The second sprocket is connected to the first sprocket by a chain for transmission. A third bevel gear is also fixedly arranged on the third main shaft.

[0018] The first mounting bracket is provided in the second sterilization chamber. The first mounting bracket is fixedly connected to the shell. The first mounting bracket is configured as a U-shaped structure with the opening direction of the U-shaped structure being horizontal. The third main shaft passes through the first mounting bracket and is rotatably connected to the first mounting bracket.

[0019] A fourth main shaft is rotatably mounted on the first mounting bracket. The fourth main shaft is horizontally positioned and its other end is rotatably connected to the housing. A fourth bevel gear is fixedly mounted on the end of the fourth main shaft. The fourth bevel gear meshes with the third bevel gear. A drive roller is fixedly sleeved on the fourth main shaft.

[0020] The third sterilization chamber is provided inside the shell. A disinfection roller is provided inside the third sterilization chamber. The disinfection roller is horizontally arranged and rotatably connected to the shell. Disinfectant solution is provided at the bottom of the third sterilization chamber, and the lower part of the disinfection roller is immersed in the disinfectant solution.

[0021] A sterilization membrane is provided on the upper surface of the support pedal. The sterilization membrane is annular. Sterilization grooves are formed on the upper surface of the housing on both sides of the support pedal. The sterilization membrane passes through the sterilization grooves and enters the second sterilization chamber and the third sterilization chamber in sequence. The sterilization membrane passes under the drive roller and abuts against the drive roller. The sterilization membrane passes over the disinfection roller and abuts against the disinfection roller.

[0022] Preferably, relay rollers are fixedly disposed at both ends of the housing, the relay rollers are horizontally disposed and rotatably connected to the housing, and the sterilization membrane passes around the side of the relay rollers away from the housing.

[0023] Preferably, two fourth sterilization chambers are symmetrically arranged inside the housing. A buffer plate is horizontally arranged inside the fourth sterilization chamber. The buffer plate is horizontally arranged, and a fourth spring is fixedly arranged between the buffer plate and the bottom wall of the fourth sterilization chamber. The axis of the fourth spring is vertically arranged. A buffer roller is rotatably arranged on the buffer plate through a connecting rod. The buffer roller is horizontally arranged, and the sterilization membrane passes through the top of the buffer roller and abuts against the buffer roller.

[0024] Preferably, the corners of the housing are rounded.

[0025] Preferably, support pads are fixedly provided at the four corners of the bottom of the housing, and the support pads are made of flexible material.

[0026] The present invention also provides a double-precision electronic scale, which further includes a second weighing module. The second weighing module is disposed in the housing and electrically connected to the processor. A selection switch is also embedded on the upper surface of the housing. The selection switch is electrically connected to the processor and is used to select and output data from the first weighing module and the second weighing module.

[0027] Preferably, an exhaust assembly is further provided on the bottom wall of the housing, the exhaust assembly comprising:

[0028] An exhaust box is horizontally arranged and embedded in the bottom wall of the housing. A first ventilation opening is provided on the top wall of the exhaust box, and a second exhaust opening is provided on the bottom wall of the exhaust box. An exhaust filter is provided at the second exhaust opening. The exhaust filter is fixedly connected to the inner wall of the exhaust box and is horizontally arranged.

[0029] An exhaust motor is fixedly installed on the top wall of the exhaust box. The output shaft of the exhaust motor is vertically downward, and a fifth main shaft is fixedly installed on the output shaft of the exhaust motor along a coaxial line.

[0030] The fifth gear is fixedly mounted on the fifth main shaft, and an exhaust fan is also fixedly mounted on the fifth main shaft;

[0031] A sixth main shaft is provided on the side of the fifth main shaft. The sixth main shaft is vertically arranged and rotatably connected to the exhaust box. A sixth gear is fixedly arranged on the sixth main shaft. The sixth gear meshes with the fifth gear. A first protrusion is fixedly arranged on the lower surface of the sixth gear. The first protrusion is vertically eccentrically arranged.

[0032] A toggle block is fixedly provided on the upper surface of the exhaust filter screen. A first slide rod is provided below the sixth gear. The first slide rod is horizontally arranged and a first slot is opened along the length direction on the first slide rod. The first protrusion is slidably arranged in the first slot.

[0033] The second slide rod is fixedly installed on the inner wall of the exhaust box. One end of the second slide rod is fixedly connected to the inner wall of the exhaust box. The second slide rod is perpendicular to the first slide rod. One end of the first slide rod is slidably connected to the second slide rod, and the sliding direction is consistent with the length direction of the second slide rod.

[0034] A lever is fixedly provided on the side of the first slide rod. The lever is horizontally positioned and can abut against the lever block when it slides with the first slide rod.

[0035] Preferably, a reinforcing block is provided at the connection between the first slide rod and the second slide rod. The reinforcing block is configured as an L-shaped structure, and both sides of the reinforcing block are respectively attached to the first slide rod and the second slide rod. The reinforcing block is fixedly connected to the first slide rod.

[0036] The working principle and beneficial technical effects of this utility model are as follows: When the electronic scale is in use, the first weighing module weighs the item and then transmits the measurement data to the processor. The processor analyzes and processes the data and displays it on the screen. At the same time, a color projection lamp set on the side of the casing projects the data onto the front base plate. During the projection process, the numbers are projected in color to avoid the product obstructing the display screen. In addition, the numbers are magnified during the projection process, making it easier for middle-aged and elderly users or users with poor eyesight to see clearly.

[0037] Other features and advantages of the invention will be set forth in the following description, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of the invention may be realized and obtained by means of the structures particularly pointed out in the written description and the accompanying drawings.

[0038] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0039] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:

[0040] Figure 1 This is a schematic diagram of an improved electronic scale structure in an embodiment of the present invention. Figure 1 ;

[0041] Figure 2 for Figure 1 Schematic diagram of the cross section in the AA direction;

[0042] Figure 3 This is a schematic diagram of the sterilization component structure in an improved electronic scale according to an embodiment of the present invention. Figure 1 ;

[0043] Figure 4 This is a schematic diagram of the sterilization component structure in an improved electronic scale according to an embodiment of the present invention. Figure 2 ;

[0044] Figure 5 This is a schematic diagram of the sterilization component structure in an improved electronic scale according to an embodiment of the present invention. Figure 3 ;

[0045] Figure 6 This is a schematic diagram of an improved electronic scale sterilization component in an embodiment of the present invention. Figure 4 ;

[0046] Figure 7 This is a schematic diagram of the third sterilization chamber structure in an improved electronic scale according to an embodiment of the present invention;

[0047] Figure 8 Bit Figure 3 Enlarged diagram of section B;

[0048] Figure 9 This is a schematic diagram of the fourth sterilization chamber structure in an improved electronic scale according to an embodiment of the present invention;

[0049] Figure 10 This is a schematic diagram of the exhaust assembly structure in a double-precision electronic scale according to an embodiment of the present invention. Figure 1 ;

[0050] Figure 11 This is a schematic diagram of the exhaust assembly structure in a double-precision electronic scale according to an embodiment of the present invention. Figure 2 .

[0051] The markings in the attached diagram are as follows: 1. Housing; 11. First control switch; 12. Second weighing module; 13. Selector switch; 2. First weighing module; 3. Processor; 4. Display screen; 5. Color projection lamp; 6. Sterilization assembly; 601. Support pedal; 602. Third spring; 603. Drive sleeve; 6031. Upper bushing; 6032. Lower bushing; 6033. Drive gear; 604. Fixing ring; 605. Fixing rod; 606. First sterilization chamber; 607. Guide slide rod; 608. First drive shaft; 609. First spring; 610. Drive protrusion; 611. Limiting block; 612. Second sterilization chamber; 613. First gear; 614. Second main shaft; 615. Second gear; 616. First sprocket; 617. Third main shaft; 618. Second sprocket; 619. 620. First mounting bracket; 621. Fourth main shaft; 622. Fourth bevel gear; 623. Drive roller; 624. Third sterilization chamber; 625. Disinfection roller; 626. Sterilization membrane; 627. Intermediate roller; 628. Fourth sterilization chamber; 629. Buffer plate; 630. Fourth spring; 631. Buffer roller; 7. Support pad; 8. Exhaust assembly; 801. Exhaust box; 802. First vent; 803. Second exhaust vent; 804. Exhaust filter; 805. Exhaust motor; 806. Fifth main shaft; 807. Fifth gear; 808. Exhaust fan; 809. Sixth main shaft; 810. Sixth gear; 811. First protrusion; 812. Pulley; 813. First slide bar; 814. First slot; 815. Second slide bar; 816. Pulley; 817. Reinforcing block. Detailed Implementation

[0052] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0053] This invention provides an improved electronic scale, such as... Figure 1 and Figure 2 As shown, it includes: a housing 1, a first weighing module 2, a processor 3, a display screen 4, and a color projection lamp 5. The first weighing module 2 and the processor 3 are both disposed inside the housing 1, and the first weighing module 2 and the processor 3 are electrically connected. The display screen 4 is embedded in the upper surface of the housing 1 and is electrically connected to the processor 3. The color projection lamp 5 is disposed obliquely downward on the side wall of the housing 1 and is electrically connected to the processor 3.

[0054] The working principle and beneficial technical effects of the above technical solution are as follows: When the electronic scale is in use, the first weighing module 2 weighs the product and then transmits the measurement data to the processor 3. The processor 3 analyzes and processes the data and displays it on the display screen 4. At the same time, the colored projection lamp 5 set on the side of the housing 1 projects the data onto the front base plate. During the projection process, the numbers are projected in color in front, avoiding the product from obstructing the display screen. At the same time, the numbers are magnified during the projection process, making it easier for middle-aged and elderly users or users with poor eyesight to see clearly.

[0055] In one embodiment, a first control switch 11 is embedded on the upper surface of the housing 1. The first control switch 11 is electrically connected to the processor 3 to control the opening and closing of the color projection lamp 5.

[0056] The working principle and beneficial technical effects of the above technical solution are as follows: By setting the first control switch 11, the color projection lamp 5 can be turned on when needed, and the color projection lamp 5 can be turned off in brighter areas, thereby saving energy and improving the practicality of the device.

[0057] In one embodiment, a sterilization component 6 is also included, such as Figure 3-7 As shown, the sterilization component 6 includes:

[0058] A support pedal 601 is provided on the upper part of the housing 1. The support pedal 601 is horizontally arranged, and multiple third springs 602 are fixedly arranged between the support pedal 601 and the upper surface of the housing 1. Multiple drive sleeves 603 are symmetrically fixedly arranged at the lower end of the support pedal 601. The axis of the drive sleeves 603 is vertically arranged. The drive sleeve 603 includes an upper bushing 6031 and a lower bushing 6032. The upper end of the upper bushing 6031 is fixedly connected to the bottom wall of the support pedal 601, and the upper bushing 6031 and the lower bushing 6032 are arranged on the same axis. The lower edge of the upper bushing 6031 and the upper edge of the lower bushing 6032 are provided with drive teeth 6033, and the drive teeth 6033 between the upper bushing 6031 and the lower bushing 6032 are staggered.

[0059] A fixing ring 604 is fixedly sleeved on the outer periphery of both the upper bushing 6031 and the lower bushing 6032, and the two fixing rings 604 are fixedly connected by a fixing rod 605.

[0060] The first sterilization chamber 606 is provided in the housing 1 below the drive sleeve 603. The lower end of the drive sleeve 603 extends into the first sterilization chamber 606 and is slidably connected to the housing 1.

[0061] Guide slide rod 607: A guide slide rod 607 is fixedly installed on the side wall of the first sterilization chamber 606. The guide slide rod 607 is vertically installed and passes through the fixing ring 604 and is slidably connected to the fixing ring 604.

[0062] A first drive shaft 608 is sleeved inside the drive sleeve 603. The first drive shaft 608 is vertically arranged. The upper end of the upper sleeve 6031 is closed. The upper end of the first drive shaft 608 is inserted into the upper sleeve 6031. A first spring 609 is fixedly arranged between the upper end of the first drive shaft 608 and the top wall of the upper sleeve 6031. A drive protrusion 610 is fixedly arranged on the side wall of the first drive shaft 608. The drive protrusion 610 is arranged radially along the first drive shaft 608. The drive protrusion 610 is located between the upper sleeve 6031 and the lower sleeve 6032 and can engage with the drive tooth 6033.

[0063] Limiting block 611, the lower end of the first drive shaft 608 passes through the bottom wall of the first sterilization chamber 606 and is slidably connected to the housing 1, and a limiting block 611 is provided in the first sterilization chamber 606 at the lower end of the first drive shaft 608, and the limiting block 611 is fixedly connected to the first drive shaft 608.

[0064] The second sterilization chamber 612 is provided below the first sterilization chamber 606. The lower end of the first drive shaft 608 extends into the second sterilization chamber 612, and a first gear 613 is fixedly provided at the lower end of the first drive shaft 608.

[0065] The second main shaft 614 is provided on the side of the first drive shaft 608 inside the second sterilization chamber 612. The second main shaft 614 is vertically arranged and rotatably connected to the housing 1. A second gear 615 is fixedly arranged on the second main shaft 614. The second gear 615 meshes with the first gear 613. A first sprocket 616 is also fixedly arranged on the second main shaft 614.

[0066] A third main shaft 617 is provided on the side of the second main shaft 614 inside the second sterilization chamber 612. The third main shaft 617 is vertically arranged and rotatably connected to the housing 1. A second sprocket 618 is fixedly arranged on the third main shaft 617. The second sprocket 618 is connected to the first sprocket 616 by a chain for transmission. A third bevel gear 619 is also fixedly arranged on the third main shaft 617.

[0067] The first mounting bracket 620 is also provided in the second sterilization chamber 612. The first mounting bracket 620 is fixedly connected to the housing 1. The first mounting bracket 620 is configured as a U-shaped structure, and the opening direction of the U-shaped structure is horizontal. The third main shaft 617 passes through the first mounting bracket 620 and is rotatably connected to the first mounting bracket 620.

[0068] A fourth main shaft 621 is rotatably mounted on the first mounting bracket 620. The fourth main shaft 621 is horizontally mounted and its other end is rotatably connected to the housing 1. A fourth bevel gear 622 is fixedly mounted on the end of the fourth main shaft 621. The fourth bevel gear 622 meshes with the third bevel gear 619. A drive roller 623 is fixedly sleeved on the fourth main shaft 621.

[0069] The third sterilization chamber 624 is provided inside the housing 1. A disinfection roller 625 is provided inside the third sterilization chamber 624. The disinfection roller 625 is horizontally arranged and rotatably connected to the housing 1. Disinfectant solution is provided at the bottom of the third sterilization chamber 624, and the lower part of the disinfection roller 625 is immersed in the disinfectant solution.

[0070] A sterilization membrane 626 is provided on the upper surface of the support pedal 601. The sterilization membrane 626 is annular. Sterilization grooves are formed on the upper surface of the housing 1 on both sides of the support pedal 601. The sterilization membrane 626 passes through the sterilization grooves and enters the second sterilization chamber 612 and the third sterilization chamber 624 in sequence. The sterilization membrane 626 passes under the drive roller 623 and abuts against the drive roller 623. The sterilization membrane 626 passes over the disinfection roller 625 and abuts against the disinfection roller 625.

[0071] The working principle and beneficial technical effects of the above technical solution are as follows: When the electronic scale is used for checkout in areas such as fresh produce, it needs to be sterilized and cleaned in a timely manner to avoid contamination of fresh food. Therefore, a sterilization component 6 is set up for this purpose. When the sterilization component 6 is in use, a portion of the sterilization membrane 626 covers the upper surface of the support pedal 601. Subsequently, when the goods are placed on the support pedal 601, the support pedal 601 moves downward, compressing the third spring 602. At this time, the drive sleeve 603 moves downward, and through the first spring 609, it drives the first drive shaft 608 to move downward. Then, the limiting block 611 at the lower end of the first drive shaft 608 abuts against the bottom wall of the first sterilization chamber 606 and stops, while the drive sleeve... As the cylinder 603 continues to move downward, the first drive shaft 608 moves upward relative to the drive sleeve 603. The drive protrusion 610 engages with the drive teeth 6033 on the lower edge of the upper sleeve 6031. After the product is removed, the third spring 602 pushes the support pedal 601 to reset. At this time, the first spring 609 pushes the first drive shaft 608 downward relative to the drive sleeve 603. The drive protrusion 610 engages with the drive teeth 6033 on the upper edge of the lower sleeve 6032. Since the upper and lower rows of drive teeth 6033 are staggered, the drive protrusion 610 will push the first drive shaft 608 to rotate relative to the drive sleeve 603 during each up and down movement due to its contact with the edge of the drive teeth 6033.

[0072] When the first drive shaft 608 rotates, the first gear 613 located at the lower end of the first drive shaft 608 rotates accordingly, and drives the second gear 615 to rotate through meshing transmission, which in turn drives the second main shaft 614 to rotate. Subsequently, the first sprocket 616 on the second main shaft 614 drives the second sprocket 618 and the third main shaft 617 to rotate. The third main shaft 617 drives the fourth main shaft 621 to rotate through the meshing transmission of the third bevel gear 619 and the fourth bevel gear 622, which in turn drives the drive roller 623 to rotate, thereby driving the sterilization membrane 626 wrapped around the outside of the drive roller 623 to move forward until it moves into the third sterilization chamber 624. At this time, the part of the sterilization membrane 626 that has been contacted rotates to the lower surface, and the disinfection roller 625 contacts the sterilization membrane 626 and rotates under the drive of friction, so that the lower part of the disinfection roller 625 continues to be in contact with the disinfectant. Then, during the rolling process, the disinfectant is completely coated on the sterilization membrane 626 to achieve sterilization and disinfection, thereby preventing contamination of fresh products.

[0073] In one embodiment, such as Figure 8 As shown, relay rollers 627 are fixedly provided at both ends of the housing 1. The relay rollers 627 are horizontally arranged and rotatably connected to the housing 1. The sterilization membrane 626 passes around the side of the relay rollers 627 away from the housing 1.

[0074] The working principle and beneficial technical effects of the above technical solution are as follows: By setting the relay roller 627, the movement of the sterilization membrane 626 is facilitated, while avoiding damage to the sterilization membrane 626 caused by the excessive sharpness of the edge of the shell 1, thereby improving the practicality and safety of the device.

[0075] In one embodiment, such as Figure 9 As shown, two fourth sterilization chambers 628 are symmetrically arranged inside the housing 1. A buffer plate 629 is horizontally arranged inside the fourth sterilization chamber 628. The buffer plate 629 is horizontally arranged, and a fourth spring 630 is fixedly arranged between the buffer plate 629 and the bottom wall of the fourth sterilization chamber 628. The axis of the fourth spring 630 is vertically arranged. A buffer roller 631 is rotatably arranged on the buffer plate 629 through a connecting rod. The buffer roller 631 is horizontally arranged, and the sterilization membrane 626 passes through the buffer roller 631 from above and abuts against the buffer roller 631.

[0076] The working principle and beneficial technical effects of the above technical solution are as follows: By setting up a fourth sterilization chamber 628 and related components inside the chamber, the buffer roller 631 is pushed upward by the force of the fourth spring 630, thereby keeping the sterilization membrane 626 taut, so that the drive roller 623 and the disinfection roller 625 can better contact the sterilization membrane 626, thereby improving the driving and sterilization effect.

[0077] In one embodiment, the corners of the housing 1 are rounded.

[0078] The working principle and beneficial technical effects of the above technical solution are as follows: by setting the corners of the housing 1 to a rounded structure, damage caused by bumps and collisions is avoided, thus improving the safety of the device.

[0079] In one embodiment, support pads 7 are fixedly provided at the four corners of the bottom of the housing 1, and the support pads 7 are made of flexible material.

[0080] The working principle and beneficial technical effects of the above technical solution are as follows: by setting the support pad 7, the electronic scale is placed more stably, and the flexible support pad 7 can also play a role in preventing slippage, thereby improving the safety of the device.

[0081] This invention also provides a double-precision electronic scale, which further includes a second weighing module 12. The second weighing module 12 is disposed inside the housing 1 and electrically connected to the processor 3. A selection switch 13 is also embedded on the upper surface of the housing 1. The selection switch 13 is electrically connected to the processor 3 to realize the selection output of data from the first weighing module 2 and the second weighing module 12.

[0082] The working principle and beneficial technical effects of the above technical solution are as follows: By setting a second weighing module 12, the first weighing module 2 and the second weighing module 12 adopt different ranges and accuracies. When in use, the output data of the first weighing module 2 or the second weighing module 12 can be controlled by the selection switch 13 to achieve dual-precision weighing.

[0083] In one embodiment, an exhaust assembly 8 is further provided on the bottom wall of the housing 1, such as... Figure 10 and Figure 11 As shown, the exhaust assembly 8 includes:

[0084] An exhaust box 801 is horizontally arranged and embedded in the bottom wall of the housing 1. The top wall of the exhaust box 801 has a first ventilation opening 802, and the bottom wall of the exhaust box 801 has a second exhaust opening 803. An exhaust filter 804 is provided at the second exhaust opening 803. The exhaust filter 804 is fixedly connected to the inner wall of the exhaust box 801 and is horizontally arranged.

[0085] An exhaust motor 805 is fixedly installed on the top wall of the exhaust box 801. The output shaft of the exhaust motor 805 is vertically downward, and a fifth main shaft 806 is fixedly installed on the output shaft of the exhaust motor 805 along the same axis.

[0086] The fifth gear 807 is fixedly mounted on the fifth main shaft 806, and the exhaust fan 808 is also fixedly mounted on the fifth main shaft 806.

[0087] A sixth main shaft 809 is provided on the side of the fifth main shaft 806. The sixth main shaft 809 is vertically arranged and rotatably connected to the exhaust box 801. A sixth gear 810 is fixedly arranged on the sixth main shaft 809. The sixth gear 810 meshes with the fifth gear 807. A first protrusion 811 is fixedly arranged on the lower surface of the sixth gear 810. The first protrusion 811 is vertically eccentrically arranged.

[0088] A lever 812 is fixedly provided on the upper surface of the exhaust filter 804. A first slide rod 813 is provided below the sixth gear 810. The first slide rod 813 is horizontally provided, and a first slot 814 is opened on the first slide rod 813 along the length direction. The first protrusion 811 is slidably provided in the first slot 814.

[0089] The second slide rod 815 is fixedly installed on the inner wall of the exhaust box 801. One end of the second slide rod 815 is fixedly connected to the inner wall of the exhaust box 801. The second slide rod 815 is perpendicular to the first slide rod 813. One end of the first slide rod 813 is slidably connected to the second slide rod 815, and the sliding direction is consistent with the length direction of the second slide rod 815.

[0090] A lever 816 is fixedly provided on the side of the first slide bar 813. The lever 816 is horizontally arranged and can abut against the lever block 812 when it slides with the first slide bar 813.

[0091] The working principle and beneficial technical effects of the above technical solution are as follows: When the exhaust assembly 8 is in use, the exhaust motor 805 starts and drives the fifth main shaft 806 to rotate. When the fifth main shaft 806 rotates, it drives the fifth gear 807 and the exhaust fan 808 to rotate. The fifth gear 807 drives the sixth gear 810 and the sixth main shaft 809 to rotate through meshing transmission. Since the first protrusion 811 at the lower end of the sixth gear 810 is eccentrically set and the first protrusion 811 is connected to the first slot 814, when the sixth gear 810 rotates, it drives the first slide bar 813 to slide back and forth along the second slide bar 815. When the first slide bar 813 moves, it drives the lever 816 to move together. When the lever 816 moves, it moves the lever block 812 and drives the exhaust filter 804 to shake and clean the dust, thereby cooling the electronic scale through exhaust. At the same time, it can also prevent the electronic scale from being placed in a humid place for a long time, which will damage the internal components, thus improving the practicality of the device.

[0092] In one embodiment, a reinforcing block 817 is provided at the connection between the first slide rod 813 and the second slide rod 815. The reinforcing block 817 is configured as an L-shaped structure, and both sides of the reinforcing block 817 are respectively attached to the first slide rod 813 and the second slide rod 815. The reinforcing block 817 is fixedly connected to the first slide rod 813.

[0093] The working principle and beneficial technical effects of the above technical solution are as follows: By setting up an L-shaped reinforcing block 817, the contact point between the first slide bar 813 and the second slide bar 815 is prevented from being too fragile and damaged during long-term use, so that the movement trajectory of the first slide bar 813 remains stable, thereby enabling the lever 816 to stably abut against the lever block 812 and complete the towing process.

[0094] Obviously, those skilled in the art can make various modifications and variations to this invention without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this invention and their equivalents, this invention also intends to include these modifications and variations.

Claims

1. An improved electronic scale, characterized in that, include: The enclosure (1), the first weighing module (2), the processor (3), the display screen (4) and the color projection lamp (5) are provided. The first weighing module (2) and the processor (3) are both disposed in the enclosure (1) and are electrically connected to the processor (3). The display screen (4) is embedded in the upper surface of the enclosure (1) and is electrically connected to the processor (3). The color projection lamp (5) is obliquely disposed on the side wall of the enclosure (1) and is electrically connected to the processor (3). It also includes a sterilization component (6), which comprises: A support pedal (601) is provided above the housing (1). The support pedal (601) is horizontally positioned, and multiple third springs (602) are fixedly arranged between the support pedal (601) and the upper surface of the housing (1). Multiple drive sleeves (603) are symmetrically fixedly arranged at the lower end of the support pedal (601). The axis of the drive sleeves (603) is vertically arranged, and the drive sleeves (603) include an upper shaft. The upper bushing (6031) and the lower bushing (6032) are provided with a sleeve (6031) and a shaft sleeve (6032). The upper end of the upper bushing (6031) is fixedly connected to the bottom wall of the support pedal (601), and the upper bushing (6031) and the lower bushing (6032) are arranged on the same axis. The lower edge of the upper bushing (6031) and the upper edge of the lower bushing (6032) are both provided with driving teeth (6033), and the driving teeth (6033) between the upper bushing (6031) and the lower bushing (6032) are staggered. A fixing ring (604) is fixedly sleeved on the outer periphery of both the upper bushing (6031) and the lower bushing (6032), and the two fixing rings (604) are fixedly connected by a fixing rod (605); The first sterilization chamber (606) is provided in the housing (1) below the driving sleeve (603). The lower end of the driving sleeve (603) extends into the first sterilization chamber (606) and is slidably connected to the housing (1). Guide slide rod (607): A guide slide rod (607) is fixedly installed on the side wall of the first sterilization chamber (606). The guide slide rod (607) is vertically installed and passes through the fixing ring (604) and is slidably connected to the fixing ring (604). A first drive shaft (608) is fitted inside the drive sleeve (603). The first drive shaft (608) is vertically arranged. The upper end of the upper sleeve (6031) is closed. The upper end of the first drive shaft (608) is inserted into the upper sleeve (6031). A first spring (609) is fixedly arranged between the upper end of the first drive shaft (608) and the top wall of the upper sleeve (6031). A drive protrusion (610) is fixedly arranged on the side wall of the first drive shaft (608). The drive protrusion (610) is arranged radially along the first drive shaft (608). The drive protrusion (610) is located between the upper sleeve (6031) and the lower sleeve (6032) and can engage with the drive tooth (6033). A limiting block (611) is provided in the first sterilization chamber (606) at the lower end of the first drive shaft (608) and is slidably connected to the housing (1). The limiting block (611) is provided in the first sterilization chamber (606) at the lower end of the first drive shaft (608) and is fixedly connected to the first drive shaft (608). The second sterilization chamber (612) is provided below the first sterilization chamber (606). The lower end of the first drive shaft (608) extends into the second sterilization chamber (612), and a first gear (613) is fixedly provided at the lower end of the first drive shaft (608). The second main shaft (614) is provided on the side of the first drive shaft (608) inside the second sterilization chamber (612). The second main shaft (614) is vertically arranged and rotatably connected to the housing (1). A second gear (615) is fixedly arranged on the second main shaft (614). The second gear (615) meshes with the first gear (613). A first sprocket (616) is also fixedly arranged on the second main shaft (614). The third main shaft (617) is provided on the side of the second main shaft (614) inside the second sterilization chamber (612). The third main shaft (617) is vertically arranged and rotatably connected to the housing (1). A second sprocket (618) is fixedly arranged on the third main shaft (617). The second sprocket (618) is connected to the first sprocket (616) by a chain for transmission. A third bevel gear (619) is also fixedly arranged on the third main shaft (617). The first mounting bracket (620) is also provided in the second sterilization chamber (612). The first mounting bracket (620) is fixedly connected to the shell (1). The first mounting bracket (620) is configured as a U-shaped structure, and the opening direction of the U-shaped structure is horizontal. The third main shaft (617) passes through the first mounting bracket (620) and is rotatably connected to the first mounting bracket (620). A fourth main shaft (621) is rotatably mounted on the first mounting bracket (620). The fourth main shaft (621) is horizontally mounted and its other end is rotatably connected to the housing (1). A fourth bevel gear (622) is fixedly mounted at the end of the fourth main shaft (621). The fourth bevel gear (622) meshes with the third bevel gear (619). A drive roller (623) is fixedly sleeved on the fourth main shaft (621). The third sterilization chamber (624) is provided inside the shell (1). A disinfection roller (625) is provided inside the third sterilization chamber (624). The disinfection roller (625) is horizontally arranged and rotatably connected to the shell (1). Disinfectant solution is provided at the bottom of the third sterilization chamber (624). The lower part of the disinfection roller (625) is immersed in the disinfectant solution. A sterilization membrane (626) is provided on the upper surface of the support pedal (601). The sterilization membrane (626) is annular. Sterilization grooves are provided on the upper surface of the housing (1) on both sides of the support pedal (601). The sterilization membrane (626) passes through the sterilization grooves and enters the second sterilization chamber (612) and the third sterilization chamber (624) in sequence. The sterilization membrane (626) passes under the drive roller (623) and abuts against the drive roller (623). The sterilization membrane (626) passes over the disinfection roller (625) and abuts against the disinfection roller (625).

2. The improved electronic scale as claimed in claim 1, wherein, The upper surface of the housing (1) is provided with a first control switch (11), which is electrically connected to the processor (3) to control the opening and closing of the color projection lamp (5).

3. The improved electronic scale as claimed in claim 1, wherein, The housing (1) is fixedly provided with relay rollers (627) at both ends. The relay rollers (627) are horizontally arranged and rotatably connected to the housing (1). The sterilization membrane (626) passes around the relay rollers (627) away from the housing (1).

4. The improved electronic scale as claimed in claim 1, wherein, The housing (1) is also symmetrically provided with two fourth sterilization chambers (628). A buffer plate (629) is horizontally arranged in the fourth sterilization chamber (628). The buffer plate (629) is horizontally arranged and a fourth spring (630) is fixedly arranged between the buffer plate (629) and the bottom wall of the fourth sterilization chamber (628). The axis of the fourth spring (630) is vertically arranged. A buffer roller (631) is rotatably arranged on the buffer plate (629) through a connecting rod. The buffer roller (631) is horizontally arranged. The sterilization membrane (626) passes through the buffer roller (631) from above and abuts against the buffer roller (631).

5. An improved electronic scale according to claim 1, characterized in that, The corners of the shell (1) are rounded.

6. The improved electronic scale as claimed in claim 1, wherein, The housing (1) has support pads (7) fixedly installed at the four corners of its bottom, and the support pads (7) are made of flexible material.

7. A dual precision electronic scale comprising the improved electronic scale of any one of claims 1-6, wherein, It also includes a second weighing module (12), which is disposed inside the housing (1) and electrically connected to the processor (3). A selection switch (13) is also embedded on the upper surface of the housing (1). The selection switch (13) is electrically connected to the processor (3) to realize the selection output of data from the first weighing module (2) and the second weighing module (12).

8. A dual precision electronic scale as claimed in claim 7, wherein, An exhaust assembly (8) is also provided on the bottom wall of the housing (1), the exhaust assembly (8) comprising: An exhaust box (801) is horizontally arranged and embedded in the bottom wall of the housing (1). The top wall of the exhaust box (801) is provided with a first ventilation opening (802), and the bottom wall of the exhaust box (801) is provided with a second exhaust port (803). An exhaust filter (804) is provided at the second exhaust port (803). The exhaust filter (804) is fixedly connected to the inner wall of the exhaust box (801) and is horizontally arranged. An exhaust motor (805) is fixedly installed on the top wall of the exhaust box (801). The output shaft of the exhaust motor (805) is set vertically downward, and a fifth main shaft (806) is fixedly installed on the output shaft of the exhaust motor (805) along the same axis. The fifth gear (807) is fixedly mounted on the fifth main shaft (806), and the exhaust fan (808) is also fixedly mounted on the fifth main shaft (806); A sixth main shaft (809) is provided on the side of the fifth main shaft (806). The sixth main shaft (809) is vertically arranged and rotatably connected to the exhaust box (801). A sixth gear (810) is fixedly arranged on the sixth main shaft (809). The sixth gear (810) meshes with the fifth gear (807). A first protrusion (811) is fixedly arranged on the lower surface of the sixth gear (810). The first protrusion (811) is vertically eccentrically arranged. A lever (812) is fixedly provided on the upper surface of the exhaust filter (804). A first slide rod (813) is provided below the sixth gear (810). The first slide rod (813) is horizontally arranged, and a first slot (814) is opened on the first slide rod (813) along the length direction. The first protrusion (811) is slidably arranged in the first slot (814). The second slide rod (815) is fixedly installed on the inner wall of the exhaust box (801). One end of the second slide rod (815) is fixedly connected to the inner wall of the exhaust box (801). The second slide rod (815) is perpendicular to the first slide rod (813). One end of the first slide rod (813) is slidably connected to the second slide rod (815), and the sliding direction is consistent with the length direction of the second slide rod (815). A lever (816) is fixedly provided on the side of the first slide bar (813). The lever (816) is horizontally arranged and can abut against the lever block (812) when it slides with the first slide bar (813).

9. A dual precision electronic scale as claimed in claim 8, wherein, A reinforcing block (817) is provided at the connection between the first slide rod (813) and the second slide rod (815). The reinforcing block (817) is configured as an L-shaped structure, and the two sides of the reinforcing block (817) are respectively attached to the first slide rod (813) and the second slide rod (815). The reinforcing block (817) is fixedly connected to the first slide rod (813).

Images