Totally-enclosed anti-external interference analytical balance

Abstract

The utility model discloses a totally-enclosed anti-external interference analytical balance comprising an electronic balance body, two sides of the front end of the front surface of the electronic balance body are respectively provided with a display screen and an operation button, and the middle of the upper end of the electronic balance body is provided with a weighing disc. The electronic balance body is installed in a placing groove formed in the middle of the upper end of the fixed base, a limiting rubber pad is arranged between the interior of the placing groove and the electronic balance body, the upper end of the fixed base is covered with a protective outer cover on the outer side of the electronic balance body, and the two sides of the protective outer cover and the fixed base form a lifting structure through an adjusting assembly. And the two sides of the protective outer cover are detachably connected with the outside of the adjusting assembly. According to the totally-closed external-interference-resistant analytical balance, the adjusting assembly is arranged to be connected with the protective outer cover, the protective outer cover can be moved and lifted conveniently, meanwhile, the protective outer cover is detachably connected with the adjusting assembly, the protective outer cover can be detached conveniently, the interior of the protective outer cover can be cleaned conveniently, and the use practicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to food detection teaching appliance related technical field, concretely is a kind of analysis balance of full-closed resistance external interference. BACKGROUND

[0002] Food detection analysis is a professional elective course of food-related professional students, students can master the principle and method of food basic nutrient composition, food additive, harmful substance in food and other physicochemical analysis through this course, and understand the health inspection of several kinds of food, so that students can independently analyze operation, and obtain accurate analysis result.Food analysis teaching is except that theory teaching, there is experimental teaching, the purpose of experimental teaching is to cultivate students' practical operation, problem-solving ability, help to improve its scientific research ability.And when carrying out experimental teaching, analysis balance is needed to be used to detect food.

[0003] Through searching, it is found that the analysis balance in prior art is typically as follows: the announcement number is CN205280202U, a kind of analysis balance device, including base, the bottom of base is provided with support leg, and the top of base is provided with glass windproof shell, the front of glass windproof shell is provided with glass windproof door, and door handle is provided on glass windproof door, the inside of base is provided with microcomputer control device, and the front of base is provided with control panel, the top of microcomputer control device is provided with weighing pan, the right side of level adjustment knob is provided with level gauge.The utility model discloses a kind of analysis balance device, microcomputer control device is arranged in the bottom of weighing pan, the article is analyzed and weighed by microcomputer to weigh, so that the result measured is more accurate, and microcomputer control device is electrically connected with telescopic support leg, before analysis balance is used, can be calibrated horizontally by operating button, simple and convenient, improve work efficiency.

[0004] The glass windproof shell of existing analysis balance is fixed on the top of base, it is inconvenient to adjust and disassemble and clean glass windproof shell, secondly, glass windproof shell is single function, without setting up anti-external interference function, when being interfered, the accuracy of detection result is influenced, for the above problems, existing equipment needs to be improved. UTILITY MODEL CONTENTS

[0005] The utility model is aimed at providing a kind of analysis balance of full-closed resistance external interference to solve the problem that the glass windproof shell of existing analysis balance is fixed on the top of base in the above background art, it is inconvenient to adjust and disassemble and clean glass windproof shell, secondly, glass windproof shell is single function, without setting up anti-external interference function, when being interfered, the accuracy of detection result is influenced.

[0006] To achieve the above object, the utility model provides following technical scheme: a kind of fully-enclosed anti-external interference analytical balance, including electronic balance body, the front end of the electronic balance body front is provided with display screen and operating button respectively, and weighing pan is installed in the middle of electronic balance body upper end, and

[0007] The electronic balance body is installed in the placing groove opened in the middle of the upper end of the fixed base, and a limiting rubber pad is arranged between the inside of the placing groove and the electronic balance body, and the bottom of the lower end of the fixed base is symmetrically provided with supporting legs, a protective cover is connected to the outside of the electronic balance body on the upper end of the fixed base, and the protective cover and the fixed base form a lifting structure through the adjusting assembly on both sides of the protective cover, and the protective cover is detachably connected with the adjusting assembly outside.

[0008] Preferably, a placing through hole is opened in the middle of the upper end of the protective cover, and an electromagnetic block is arranged outside the placing through hole, and the electromagnetic block is a back-shaped structure, a sealing cover plate is arranged above the placing through hole, and a metal pad is arranged at the bottom of the lower end of the sealing cover plate, and the metal pad is magnetically connected with the electromagnetic block.

[0009] Preferably, the protective cover and the sealing cover plate both include an outer shell, an anti-interference layer and an inner shell, and the anti-interference layer is arranged between the outer shell and the inner shell, the outer shell is made of nylon material, and the inner shell is made of polyester fiber material.

[0010] Preferably, the adjusting assembly includes a vertical rod, a sliding seat and a fixed frame, two vertical rods are symmetrically arranged, and the sliding seat is slidably connected with the two vertical rods, the sliding seat is a T-shaped structure, the top of the two vertical rods is connected with the lower end of the fixed frame, a through hole is opened in the middle of the bottom of the fixed frame, and an electric telescopic rod is symmetrically arranged above the through hole, and the output end of the electric telescopic rod is detachably connected with the upper end of the protective cover on both sides.

[0011] Preferably, the sliding seat is clampedly connected with the positioning frame corresponding to the side of the protective cover, and a threaded hole is symmetrically opened in the positioning frame, and a threaded bolt arranged outside the threaded hole is connected with the sliding seat through the threaded hole.

[0012] Compared with the prior art, the analytical balance has the advantages that,

[0013] (1) In order to solve the problem that the glass windproof shell of the existing analytical balance is fixed on the upper end of the base and is inconvenient to adjust and disassemble and clean, the adjusting assembly is connected with the protective cover, which facilitates the movement and lifting of the protective cover, and the protective cover and the adjusting assembly are detachably connected, which facilitates the disassembly of the protective cover and the cleaning of the inside, and improves the practicality of use.

[0014] (2) in order to solve the existing analytical balance in use, glass windproof shell function single, not set up anti-external interference function, when affected, the accuracy of the detection result problem, the application through the shell, anti-interference layer and inner shell collocation use, make the protective cover in use not only has good anti-interference function and avoid collision damage, improve the service life and use practicality. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the front view structure schematic diagram of the utility model;

[0016] Figure 2 It is the front view structure schematic diagram of the utility model;

[0017] Figure 3 It is the protective cover three-dimensional structure schematic diagram of the utility model;

[0018] Figure 4 It is the sealing cover plate three-dimensional structure schematic diagram of the utility model;

[0019] Figure 5 It is the protective cover and sealing cover plate composition structure schematic diagram of the utility model.

[0020] In the drawing: 1, electronic balance body;101, display screen;102, operating button;103, weighing pan;2, fixed base;201, limit rubber pad;3, support leg;4, protective cover;401, place through hole;402, electromagnetic block;403, positioning frame;5, sealing cover plate;501, metal pad;6, vertical rod;7, sliding seat;8, fixed frame;801, through hole;9, electric telescopic rod;10, shell;11, anti-interference layer;12, inner shell. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a fully-enclosed analytical balance of external interference, according to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 And Figure 5As shown, the electronic balance body 1 front end is provided with display screen 101 and operation button 102 respectively, and the electronic balance body 1 upper end is provided with weighing disc 103, the electronic balance body 1 is installed in the fixed base 2 upper end of the placement groove, and the placement groove is provided with limiting rubber pad 201 between the electronic balance body 1, which improves the stability of the electronic balance body 1 when placed and used, and the fixed base 2 lower end is provided with support leg 3, and the fixed base 2 upper end is provided with protective cover 4 outside the electronic balance body 1.

[0023] Further, the protective cover 4 upper end is provided with a placing hole 401, and the electromagnetic block 402 is provided outside the placing hole 401, and the electromagnetic block 402 is a back type structure, the sealing cover plate 5 is provided above the placing hole 401, and the metal pad 501 is provided at the lower end of the sealing cover plate 5, and the metal pad 501 and the electromagnetic block 402 are magnetically connected, and the sealing cover plate 5 is used to protect and seal the placing hole 401.

[0024] Further, the protective cover 4 and the sealing cover plate 5 both include an outer shell 10, an anti-interference layer 11 and an inner shell 12, and the anti-interference layer 11 is provided between the outer shell 10 and the inner shell 12, and the anti-interference layer 11 is a light shield plate, which can prevent the light temperature from causing the temperature rise inside the protective cover 4 and affecting the quality of the detected food, the outer shell 10 is made of nylon, and the inner shell 12 is made of polyester fiber.

[0025] According to Figure 1 , Figure 2 and Figure 3 , the protective cover 4 is provided with adjusting assembly on both sides and constitutes a lifting structure with the fixed base 2, and the protective cover 4 is detachably connected with the adjusting assembly outside.

[0026] Specifically, the adjusting assembly includes a vertical rod 6, a sliding seat 7 and a fixed frame 8, the vertical rod 6 is provided with two, and the sliding seat 7 is slidably connected with the two vertical rods 6, the sliding seat 7 is a T-shaped structure, the two vertical rods 6 are connected with the lower end of the fixed frame 8, and the fixed frame 8 is provided with a through hole 801 in the middle of the bottom, and the electric telescopic rod 9 is provided above the through hole 801, the output end of the electric telescopic rod 9 is detachably connected with the upper end of the protective cover 4, the protective cover 4 and the sliding seat 7 are lifted and lowered on the vertical rod 6 by the electric telescopic rod 9, which not only adjusts the height of the protective cover 4, but also makes the protective cover 4 stable when lifting and lowering.

[0027] Further illustrate, two sliding seat 7 respectively with the positioning frame 403 inside the corresponding installation of protective cover 4 side edge card together, and the positioning frame 403 on the symmetry is provided with threaded hole, and the threaded hole outside setting threaded peg is connected with the threaded hole and sliding seat 7, convenient for separating sliding seat 7 and protective cover 4, disassembling protective cover 4.

[0028] In use, the protective cover 4 is pushed down by the electric telescopic rod 9, so that the protective cover 4 is not easy to deviate under the action of the sliding seat 7 and the vertical rod 6, until the bottom of the protective cover 4 is attached to the upper end of the fixed base 2, then the sealing cover plate 5 is removed, the food to be detected is placed on the weighing disc 103 through the placement hole 401, then the sealing cover plate 5 is placed above the placement hole 401, so that the electromagnetic block 402 is magnetically connected with the metal pad 501, and the sealing cover plate 5 is fixed, then the electronic balance body 1 is operated through the operation button 102 to detect the food, and then the detection result is displayed on the display screen 101. When the protective cover 4 needs to be disassembled, the positioning frame 403 is separated from the sliding seat 7, and the output end of the electric telescopic rod 9 is separated from the top of the protective cover 4, so that the protective cover 4 is disassembled, and the inside of the protective cover 4 is cleaned.

[0029] The terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only a simplified description for the convenience of describing the utility model, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the protection scope of the utility model.

[0030] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A fully enclosed anti-external interference analytical balance, comprising an electronic balance body (1), the electronic balance body (1) is provided with a display screen (101) and an operation button (102) on both sides of the front end of the front face, and a weighing disc (103) is installed on the upper end of the electronic balance body (1), characterized in that: the electronic balance body (1) is installed in the placing groove opened in the middle of the upper end of the fixed base (2), and a limiting rubber pad (201) is arranged between the inside of the placing groove and the electronic balance body (1), and the fixed base (2) is symmetrically provided with supporting legs (3) at the bottom of the lower end, a protective cover (4) is covered on the outside of the fixed base (2) at the upper end of the electronic balance body (1), and the protective cover (4) on both sides constitutes a lifting structure with the fixed base (2) through an adjusting assembly, and the protective cover (4) on both sides is detachably connected with the adjusting assembly outside.

2. The closed analytical balance resistant to external interference according to claim 1, characterized in that: An electromagnetic block (402) is arranged outside the placement through hole (401) on the upper end of the protective cover (4), and the electromagnetic block (402) is a back-shaped structure, a sealing cover plate (5) is arranged above the placement through hole (401), a metal pad (501) is arranged at the bottom of the lower end of the sealing cover plate (5), and the metal pad (501) and the electromagnetic block (402) are magnetically connected.

3. The closed analytical balance resistant to external interference according to claim 2, characterized in that: The protective cover (4) and the sealing cover plate (5) both comprise an outer shell (10), an anti-interference layer (11) and an inner shell (12), and the anti-interference layer (11) is arranged between the outer shell (10) and the inner shell (12), the outer shell (10) is made of nylon, and the inner shell (12) is made of polyester fiber.

4. The closed analytical balance resistant to external interference according to claim 1, characterized in that: The adjusting assembly comprises a vertical rod (6), a sliding seat (7) and a fixed frame (8), two vertical rods (6) are symmetrically arranged, and a sliding seat (7) is slidably connected to the two vertical rods (6), the sliding seat (7) is a T-shaped structure, the top of the two vertical rods (6) is connected with the lower end of the fixed frame (8), a through hole (801) is opened in the middle of the bottom of the fixed frame (8), and an electric telescopic rod (9) is symmetrically arranged above the through hole (801), and the output end of the electric telescopic rod (9) is detachably connected with the upper end of the protective cover (4) on both sides.

5. The closed analytical balance resistant to external interference according to claim 4, characterized in that: The two sliding seats (7) are respectively clamped and connected with the positioning frame (403) installed on the side of the protective cover (4), screw holes are symmetrically opened on the positioning frame (403), and threaded pins arranged outside the screw holes are connected with the sliding seats (7) by penetrating the screw holes.

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