CN112924003B - Electronic balance for basic mathematics - Google Patents
Electronic balance for basic mathematics Download PDFInfo
- Publication number
- CN112924003B CN112924003B CN202110109434.5A CN202110109434A CN112924003B CN 112924003 B CN112924003 B CN 112924003B CN 202110109434 A CN202110109434 A CN 202110109434A CN 112924003 B CN112924003 B CN 112924003B
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- Prior art keywords
- block
- limiting
- plate
- fixedly mounted
- electronic balance
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- 230000006835 compression Effects 0.000 claims abstract description 38
- 238000007906 compression Methods 0.000 claims abstract description 38
- 238000001125 extrusion Methods 0.000 claims abstract description 26
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
- G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
- G01G3/15—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing measuring variations of magnetic properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Entrepreneurship & Innovation (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention relates to the technical field of equipment for mathematics, and discloses an electronic balance for basic mathematics, which comprises a shell, wherein a display screen is fixedly arranged at the right side end of the shell, a fixed box and a connecting cylinder are respectively and fixedly arranged in the display screen, a fourth compression spring is fixedly arranged in the connecting cylinder, a third limiting plate is fixedly arranged at the top of the fourth compression spring, a supporting column is fixedly arranged at the top of the third limiting plate, a backing plate is movably arranged at the top of two adjacent supporting columns, a connecting block is fixedly arranged at the bottom of the backing plate, the connecting block is driven to move downwards by moving the backing plate downwards, the connecting block can enter the fixed box and drive the fixed rod to pass through the inside of a through hole after entering the fixed box, and an extrusion block can drive the limiting column to extrude a second compression spring, the second limiting block can also pass through the limiting column, so that the effect of limiting the second limiting block by the limiting column is achieved.
Description
Technical Field
The invention relates to the technical field of equipment for mathematics, in particular to an electronic balance for basic mathematics.
Background
A balance for balancing the weight of a subject to be weighed using an electromagnetic force is called an electronic balance. The electronic balance has the characteristics that the weighing is accurate and reliable, the display is rapid and clear, the electronic balance is often used in the basic mathematic research and teaching process and is provided with an automatic detection system, a simple and convenient automatic calibration device, an overload protection device and the like, but the current electronic balance for mathematic teaching is often required to be replaced by a cushion disc when in use, so that the overstock of the electronic balance is easily caused.
Through the retrieval, chinese patent No. CN207263273U discloses an electronic balance for basic mathematics, including battery and concave type backing plate, the battery sets up and is filling between electric pile and the information processor, the battery is installed inside the waterproof shell, the waterproof shell bottom is provided with the slipmat, be provided with the heat dissipation window on the information processor, the information processor is connected with the display screen through signal decoder, concave type backing plate below is provided with sensing head array, sensing head array below is provided with the electromagnetic balance sensor, the electromagnetic balance sensor sets up inside the electromagnetic balance room, the electromagnetic balance sensor pass through the information transmission link with the information processor is connected, concave type backing plate below is provided with operating panel, the both sides of waterproof shell are provided with the mount, but do not solve this problem.
Disclosure of Invention
The present invention is directed to an electronic balance for basic mathematics to solve the problems of the background art.
Technical scheme
The invention provides the following technical scheme: an electronic balance for basic mathematics comprises a shell, wherein a display screen is fixedly mounted at the right side end of the shell, a fixed box and a connecting cylinder are respectively and fixedly mounted inside the display screen, a fourth compression spring is fixedly mounted inside the connecting cylinder, a third limiting plate is fixedly mounted at the top of the fourth compression spring, supporting columns are fixedly mounted at the top of the third limiting plate, backing plates are movably mounted at the tops of two adjacent supporting columns, and a connecting block is fixedly mounted at the bottom of each backing plate;
first compression springs and a transverse plate are respectively and fixedly installed inside the fixed box, a movable block is fixedly installed between every two adjacent first compression springs, a first pin shaft block is fixedly installed at the top of each movable block, a connecting rod is movably installed inside each first pin shaft block, a second pin shaft block is fixedly installed at the top of each connecting rod, a through hole is formed in the transverse plate, second compression springs are fixedly installed inside the transverse plate, second limiting plates are fixedly installed on the adjacent sides of every two adjacent second compression springs, limiting columns are fixedly installed on the adjacent sides of every two adjacent second limiting plates, and an extrusion rod is fixedly installed at the top of the transverse plate;
the bottom fixed mounting of connecting block has first stopper, the inside fixed mounting of connecting block has third compression spring, third compression spring's bottom fixed mounting has first limiting plate, the inside fixed mounting of recess of connecting block has the dead lever, the outside of dead lever is fixed mounting respectively has second stopper and extrusion piece, the extrusion piece is located the bottom of dead lever.
Preferably, the third limiting plate is located inside the connecting cylinder.
Preferably, the bottom of the backing plate is provided with a supporting groove matched with the supporting column.
Preferably, the first compression spring is movably provided with a fixed shaft inside, and two ends of the fixed shaft are fixedly connected with the inner wall of the fixed box.
Preferably, the opposite sides of two adjacent first pin shaft blocks are fixedly provided with a limiting clamping block, and the limiting clamping blocks are movably connected with the connecting rod.
Preferably, the widths of the second limiting block and the extruding block are equal to the diameter of the through hole, and the limiting column is movably connected with the top of the second limiting block.
The first limiting block penetrates through the extrusion plate and is movably connected with the second pin shaft block, and the second pin shaft block is movably connected below the extrusion plate.
Preferably, one side of the first limiting block is movably connected with the second pin shaft block.
Advantageous effects
Compared with the prior art, the invention provides the electronic balance for basic mathematics, which has the following beneficial effects:
1. this electronic balance for basic mathematics drives the connecting block downstream through with backing plate downstream, and the connecting block downstream will get into the inside of fixed case, and the connecting block can drive the inside that the dead lever passes through the through-hole after getting into fixed incasement portion to the extrusion piece can drive spacing post and extrude second compression spring, and the second stopper will also pass through spacing post, thereby realizes that spacing post restricts the activity effect to the second stopper.
2. This electronic balance for basic mathematics, can drive stripper plate downstream through stripper plate downstream, and the first stopper of connecting block bottom also will run through the stripper plate, can sell axle piece swing joint with the second when stripper plate downstream, can drive first round pin axle piece through the connecting rod during the round pin axle piece downstream and move, can extrude first compression spring through the movable block during first round pin axle piece motion, get into the inside of first stopper until second round pin axle piece, thereby ensure that the connecting block can not upwards mobilize.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a schematic front view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the holding box of the present invention;
FIG. 3 is a cross-sectional view of a connector block of the present invention;
FIG. 4 is a sectional view showing the connection between the fixing case and the connecting block according to the present invention;
figure 5 is a cross-sectional view of a connector barrel of the present invention.
In the figure: the device comprises a shell 1, a display 2, a fixed box 3, a support column 4, a connecting block 5, a backing plate 6, a first compression spring 7, a movable block 8, a first pin shaft block 9, a connecting rod 10, a second pin shaft block 11, an extrusion plate 12, a transverse plate 13, an extrusion rod 14, a second compression spring 15, a limiting column 16, a first limiting block 17, a third compression spring 18, a first limiting plate 19, a fixing rod 20, a second limiting block 21, an extrusion block 22, a through hole 23, a second limiting plate 24, a connecting cylinder 25, a fourth compression spring 26 and a third limiting plate 27.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an electronic balance for basic mathematics comprises a shell 1, a display screen 2 is fixedly installed at the right side end of the shell 1, a fixed box 3 and a connecting cylinder 25 are respectively and fixedly installed inside the display screen 2, a fourth compression spring 26 is fixedly installed inside the connecting cylinder 25, a third limiting plate 27 is fixedly installed at the top of the fourth compression spring 26, supporting columns 4 are fixedly installed at the top of the third limiting plate 27, backing plates 6 are movably installed at the tops of two adjacent supporting columns 4, and a connecting block 5 is fixedly installed at the bottom of the backing plate 6;
the bottom fixed mounting of connecting block 5 has first stopper 17, and the inside fixed mounting of connecting block 5 has third compression spring 18, and the bottom fixed mounting of third compression spring 18 has first limiting plate 19, and the inside fixed mounting of recess of connecting block 5 has dead lever 20, and the outside of dead lever 20 is fixed mounting respectively has second stopper 21 and extrusion piece 22, and extrusion piece 22 is located the bottom of dead lever 20.
The first limiting block 17 penetrates through the extrusion plate 12 and is movably connected with the second pin shaft block 11, and the second pin shaft block 11 is movably connected below the extrusion plate 12.
Wherein the third limit plate 27 is located inside the connecting cylinder 25.
Wherein, the bottom of the backing plate 6 is provided with a supporting groove matched with the supporting column 4.
Wherein, the inside movable mounting of first compression spring 7 has the fixed axle, and the both ends of fixed axle all are connected with the inner wall fixed connection of fixed case 3.
Wherein, the opposite sides of two adjacent first pin shaft blocks 9 are fixedly provided with a limiting fixture block, and the limiting fixture block is movably connected with the connecting rod 10.
The widths of the second limiting block 21 and the extruding block 22 are equal to the diameter of the through hole 23, and the limiting column 16 is movably connected with the top of the second limiting block 21.
Wherein, one side of the first limiting block 17 is movably connected with the second pin shaft block 11.
The working principle and the using process of the invention are as follows: the cushion plate 6 moves downwards to drive the connecting block 5 to move downwards, the connecting block 5 moves downwards to enter the fixed box 3, the connecting block 5 drives the fixed rod 20 to pass through the through hole 23 after entering the fixed box 3, the extrusion block 22 drives the limit column 16 to extrude the second compression spring 15, the second limit block 21 passes through the limit column 16, so that the limit column 16 limits the second limit block 21, the extrusion block 22 drives the extrusion plate 12 to move downwards when moving downwards, the first limit block 17 at the bottom of the connecting block 5 penetrates through the extrusion plate 12, the extrusion plate 12 is movably connected with the second pin shaft block 11 when moving downwards, the second pin shaft block 11 drives the first pin shaft block 9 to move through the connecting rod 10 when moving downwards, the first pin shaft block 9 extrudes the first compression spring 7 through the movable block 8 when moving downwards, until the second pin shaft block 11 enters the inside of the first limit block 17, thereby ensuring that the connecting block 5 cannot be moved upwards.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An electronic balance for basic mathematics, including casing (1), its characterized in that: the display screen is characterized in that a display screen (2) is fixedly mounted at the right side end of the shell (1), a fixing box (3) and a connecting cylinder (25) are respectively and fixedly mounted inside the display screen (2), a fourth compression spring (26) is fixedly mounted inside the connecting cylinder (25), a third limiting plate (27) is fixedly mounted at the top of the fourth compression spring (26), supporting columns (4) are fixedly mounted at the top of the third limiting plate (27), backing plates (6) are movably mounted at the tops of two adjacent supporting columns (4), and connecting blocks (5) are fixedly mounted at the bottoms of the backing plates (6);
first compression springs (7) and a transverse plate (13) are respectively and fixedly arranged in the fixed box (3), a movable block (8) is fixedly arranged between every two adjacent first compression springs (7), a first pin shaft block (9) is fixedly arranged at the top of the movable block (8), a connecting rod (10) is movably arranged in the first pin shaft block (9), the top of the connecting rod (10) is fixedly provided with a second pin shaft block (11), a through hole (23) is formed in the transverse plate (13), second compression springs (15) are fixedly mounted in the transverse plate (13), second limiting plates (24) are fixedly mounted on the adjacent sides of every two adjacent second compression springs (15), limiting columns (16) are fixedly mounted on the adjacent sides of every two adjacent second limiting plates (24), and an extrusion rod (14) is fixedly mounted on the top of the transverse plate (13);
a first limiting block (17) is fixedly installed at the bottom of the connecting block (5), a third compression spring (18) is fixedly installed inside the connecting block (5), a first limiting plate (19) is fixedly installed at the bottom of the third compression spring (18), a fixing rod (20) is fixedly installed inside a groove of the connecting block (5), a second limiting block (21) and an extrusion block (22) are fixedly installed on the outer side of the fixing rod (20) respectively, and the extrusion block (22) is located at the bottom end of the fixing rod (20);
the first limiting block (17) penetrates through the extrusion plate (12) and is movably connected with the second pin shaft block (11), and the second pin shaft block (11) is movably connected below the extrusion plate (12).
2. The electronic balance for basic mathematics of claim 1, wherein: the third limit plate (27) is positioned inside the connecting cylinder (25).
3. The electronic balance for basic mathematics of claim 1, wherein: and the bottom of the backing plate (6) is provided with a supporting groove matched with the supporting column (4).
4. The electronic balance for basic mathematics of claim 1, wherein: the inside movable mounting of first compression spring (7) has the fixed axle, the both ends of fixed axle all with the inner wall fixed connection of fixed case (3).
5. The electronic balance for basic mathematics of claim 1, wherein: and the opposite sides of the two adjacent first pin shaft blocks (9) are fixedly provided with limiting clamping blocks, and the limiting clamping blocks are movably connected with a connecting rod (10).
6. The electronic balance for basic mathematics of claim 1, wherein: the width of the second limiting block (21) and the width of the extrusion block (22) are equal to the diameter of the through hole (23), and the limiting column (16) is movably connected with the top of the second limiting block (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110109434.5A CN112924003B (en) | 2021-01-25 | 2021-01-25 | Electronic balance for basic mathematics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110109434.5A CN112924003B (en) | 2021-01-25 | 2021-01-25 | Electronic balance for basic mathematics |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112924003A CN112924003A (en) | 2021-06-08 |
| CN112924003B true CN112924003B (en) | 2022-08-26 |
Family
ID=76166811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110109434.5A Expired - Fee Related CN112924003B (en) | 2021-01-25 | 2021-01-25 | Electronic balance for basic mathematics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112924003B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203414150U (en) * | 2013-06-27 | 2014-01-29 | 常州恒尔称重设备制造有限公司 | Portable axle load scale |
| DE102013111400A1 (en) * | 2013-10-16 | 2015-04-16 | Newfrey Llc | Fastening device for two fastening states |
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2021
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| JP2004019097A (en) * | 2002-06-12 | 2004-01-22 | Fujisash Co | Flooring construction device |
| JP2004125124A (en) * | 2002-10-04 | 2004-04-22 | Sharp Corp | Locking mechanism, locking method, stand, and stand type apparatus |
| DE102004021513A1 (en) * | 2004-04-30 | 2005-11-24 | Airbus Deutschland Gmbh | Suspension clamping holder e.g. for support structure, has free carrier, support and clamping valve with free carrier laterally at upper end of support and perpendicularly formed with support having back with carrier extension |
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| CN201078371Y (en) * | 2007-09-05 | 2008-06-25 | 英业达股份有限公司 | Sliding mechanism of portable equipment |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN112924003A (en) | 2021-06-08 |
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Effective date of registration: 20230103 Address after: No. 1, Xiyuan Avenue, High tech Zone, Chengdu, Sichuan 610097 Patentee after: Chengdu Jincheng University Address before: 611731 Room 204, unit 2, building 2, Jincheng Jiayuan, Jincheng college, Sichuan University, Chengdu, Sichuan Province Patentee before: Chai Shasha |
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Granted publication date: 20220826 |
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