CN220482944U

CN220482944U - Portable calculating plate

Info

Publication number: CN220482944U
Application number: CN202320477331.9U
Authority: CN
Inventors: 王世超
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2024-02-13
Anticipated expiration: 2033-03-14

Abstract

The utility model discloses a portable calculating plate, which belongs to the technical field of calculating plates and comprises a calculating blackboard, wherein a groove support plate is welded at the bottom end of the calculating blackboard, and an expansion mechanism is arranged in the groove support plate; the expansion mechanism comprises a first threaded linkage collar block, a second threaded linkage collar block and a bidirectional transmission screw rod which are arranged in the groove support plate. According to the utility model, by arranging the expansion mechanism, the bidirectional transmission screw drives the first threaded linkage sleeve ring block to move leftwards along the inner wall of the groove support plate under the action of the threads, and the bidirectional transmission screw drives the second threaded linkage sleeve ring block to move rightwards along the inner wall of the groove support plate under the action of the threads, a user can perform data calculation display on the surface of the calculation blackboard, and can also perform data calculation display on the surfaces of the first and second expansion calculation blackboard, so that the display calculation data amount is more.

Description

Portable calculating plate

Technical Field

The utility model relates to the technical field of algorithm boards, in particular to a portable algorithm board.

Background

The project cost refers to all the cost of carrying out a certain project construction, the project budget is particularly important for the smooth execution of the whole construction plan, and in the process of the project cost, calculation and display of the cost data are usually required by using calculation boards.

The utility model patent of patent publication No. CN212995392U discloses a portable construction cost calculating plate for construction cost, which comprises a base, wherein a telescopic bracket convenient to fold, a lower sliding sleeve for installing the telescopic bracket, an upper sliding sleeve arranged at the upper end of the telescopic bracket and a demonstration plate rotationally connected with the upper sliding sleeve are arranged on the base, the lower sliding sleeve is fixedly arranged in the base, an adjusting part for fixing the height of the telescopic bracket is arranged on the lower sliding sleeve, and a positioning component for limiting the rotation of the demonstration plate is arranged on the upper sliding sleeve. After the calculation is finished, the positioning component is adjusted and the demonstration board is rotated to enable the panel to keep a horizontal state, and then the telescopic support is adjusted and compressed to enable the telescopic support and the demonstration board to be folded in the base, so that the folding of the calculation board is achieved, and the portable folding device has the effect of being convenient to carry.

According to the operation board, when in use, a user needs to display operation data on the demonstration board, and the area of the demonstration board is a fixed area, so that the displayed data display area is limited, the operation data quantity is smaller, and the large-area operation display is not facilitated.

Disclosure of Invention

The technical scheme of the utility model aims at the technical problem that the prior art is too single, and provides a solution which is obviously different from the prior art, and therefore, the utility model provides a portable algorithm board.

In order to achieve the above object, the present utility model provides the following technical solutions: the portable calculating board comprises a calculating blackboard, wherein a groove support plate is welded at the bottom end of the calculating blackboard, and an expansion mechanism is arranged in the groove support plate;

the expansion mechanism comprises a first threaded linkage collar block, a second threaded linkage collar block and a bidirectional transmission screw rod which are arranged inside the groove support plate, the second threaded linkage collar block is located at one side of the first threaded linkage collar block, the inner walls of the first threaded linkage collar block and the second threaded linkage collar block are in threaded connection with the outer wall of the bidirectional transmission screw rod, the top end of the first threaded linkage collar block is connected with a first expansion operation blackboard which is in horizontal sliding connection with the inside of the operation blackboard, the top end of the second threaded linkage collar block is provided with a second expansion operation blackboard which is in horizontal sliding connection with the inside of the operation blackboard, the outer walls of the first threaded linkage collar block and the second threaded linkage collar block are in horizontal sliding connection with the inner wall of the groove support plate, the inner wall of the groove support plate is subjected to polishing treatment, and the two threads of the outer wall of the bidirectional transmission screw rod are opposite and symmetrical.

Preferably, the bottom of recess extension board is fixed with a plurality of first friction strips from front to back bonding in proper order, and the vertical cross-sectional shape of every first friction strip all sets up to isosceles trapezoid, one side of first friction strip is equipped with a plurality of second friction strips from front to back equidistance range in proper order.

Preferably, one side of the operation blackboard is provided with a hinged support plate, a linkage support plate is arranged above the operation blackboard, two ends of the linkage support plate are respectively provided with a first support column, a first bearing block fixedly connected with the front of the operation blackboard is sleeved on the first support column, one side of the outer wall of the first support column is provided with a second support column fixed at the end part of the linkage support plate, the outer wall of the second support column is provided with a second bearing block, the first bearing block is rotatably connected with the first support column and the second support column is rotatably connected with the second bearing block through bearings, one side of the second bearing block is fixedly welded with the front of the hinged support plate, and a lifting handle for carrying the operation blackboard is welded at the top end of the linkage support plate.

The utility model has the following advantages:

1. through setting up the expansion mechanism, the two-way drive screw drives the first screw thread linkage collar piece and moves to the left along the recess extension board inner wall under the effect of screw thread, and the two-way drive screw drives the second screw thread linkage collar piece and moves to the right along recess extension board inner wall under the effect of screw thread, the user can carry out data calculation show on the surface of the calculation blackboard, also can carry out data calculation show on the surfaces of first expansion calculation blackboard and second expansion calculation blackboard, demonstrate the data amount of calculation more, help the large tracts of land demonstrate calculation data;

2. the first bearing block and the second support column are driven by the linkage support plate to move upwards, the first bearing block is driven by the calculation blackboard to rotate rightwards on the outer wall of the first support column under the action of gravity, and the calculation board can be carried and moved only by lifting the calculation board, so that the calculation board is more convenient to carry.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.

FIG. 1 is a schematic diagram of a front view of a portable computing board according to the present utility model;

FIG. 2 is a schematic view of a vertical cross-section of a portable computing board according to the present utility model;

FIG. 3 is a schematic view of a first extended algorithm blackboard of the present utility model in a vertical section and partial structure;

FIG. 4 is a schematic view of a truncated partial structure of an algorithm blackboard in a portable algorithm board according to the present utility model;

in the figure: 1. calculating a blackboard; 2. a groove support plate; 3. a first threaded linkage collar block; 4. the second thread linkage sleeve ring block; 5. a bidirectional drive screw; 6. a first expansion calculation blackboard; 7. a second expansion calculation blackboard; 8. a first friction bar; 9. a second friction bar; 10. hinging the support plate; 11. a first support column; 12. a first bearing block; 13. a second support column; 14. a second bearing block; 15. a linkage support plate; 16. the handle is lifted.

Detailed Description

Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The portable operation board as shown in the attached figures 1-4 is provided with the expansion mechanism, the expansion mechanism can display more operation data, the operation data can be displayed in a large area, and the specific structure of the expansion mechanism is as follows.

In some embodiments, as shown in fig. 1-3, the expansion mechanism comprises a first threaded linkage collar block 3, a second threaded linkage collar block 4 and a bidirectional transmission screw 5 which are arranged in the groove support plate 2, the second threaded linkage collar block 4 is positioned at one side of the first threaded linkage collar block 3, the inner walls of the first threaded linkage collar block 3 and the second threaded linkage collar block 4 are both in threaded connection with the outer wall of the bidirectional transmission screw 5, the top end of the first threaded linkage collar block 3 is connected with a first expansion operation blackboard 6 which is horizontally and slidably connected with the inside of the operation blackboard 1, and the top end of the second threaded linkage collar block 4 is provided with a second expansion operation blackboard 7 which is horizontally and slidably connected with the inside of the operation blackboard 1.

According to the application principle of the portable operation board, the operation blackboard 1 is placed on an operation platform, the bidirectional transmission screw 5 is rotated, the bidirectional transmission screw 5 drives the first threaded linkage sleeve ring block 3 to move leftwards along the inner wall of the groove support plate 2 under the action of threads, the bidirectional transmission screw 5 drives the second threaded linkage sleeve ring block 4 to move rightwards along the inner wall of the groove support plate 2 under the action of threads, the first threaded linkage sleeve ring block 3 drives the first extended operation blackboard 6 to move leftwards from the inside of the operation blackboard 1, the second threaded linkage sleeve ring block 4 drives the second extended operation blackboard 7 to move rightwards along the inside of the operation blackboard 1, and therefore the first extended operation blackboard 6 and the second extended operation blackboard 7 are unfolded from the inside of the operation blackboard 1, a user can conduct data operation display on the surface of the operation blackboard 1, the operation data display area is wider, operation data display data are displayed more, and large-area operation data display is facilitated.

In some embodiments, as shown in fig. 1, the bottom end of the groove support plate 2 is sequentially bonded and fixed with a plurality of first friction strips 8 from front to back, the vertical section shape of each first friction strip 8 is isosceles trapezoid, one side of each first friction strip 8 is sequentially equidistantly arranged from front to back, and a plurality of second friction strips 9 are arranged so that the friction force at the bottom of the calculation blackboard 1 can be increased by the plurality of first friction strips 8, the calculation blackboard 1 is prevented from sliding horizontally, and the friction force can be increased by the plurality of second friction strips 9 on the hinged support plate 10, and the hinged support plate 10 is prevented from sliding horizontally.

In some embodiments, as shown in fig. 1-4, a hinged support plate 10 is arranged on one side of the operation blackboard 1, a linkage support plate 15 is arranged above the operation blackboard 1, first support columns 11 are arranged at two ends of the linkage support plate 15, first bearing blocks 12 fixedly connected with the front of the operation blackboard 1 are sleeved on the first support columns 11, a second support column 13 fixed at the end part of the linkage support plate 15 is arranged on one side of the outer wall of the first support column 11, a second bearing block 14 is arranged on the outer wall of the second support column 13, the first bearing block 12 and the first support column 11 and the second support column 13 and the second bearing block 14 are connected through bearings in a rotating manner, one side of the second bearing block 14 is welded and fixed with the front of the hinged support plate 10, and a lifting handle 16 for carrying the operation blackboard 1 is welded at the top end of the linkage support plate 15.

When the operation board is required to be carried according to the upper structure, a user holds the lifting handle 16 to lift upwards, the lifting handle 16 drives the linkage support plate 15 to lift upwards, the linkage support plate 15 drives the first bearing block 12 and the second support column 13 to move upwards, the second support column 13 drives the operation blackboard 1 to lift upwards, meanwhile, the second bearing block 14 drives the hinged support plate 10 to lift upwards, the operation blackboard 1 drives the first bearing block 12 to rotate rightwards on the outer wall of the first support column 11 under the action of gravity, and the hinged support plate 10 drives the second bearing block 14 to rotate leftwards on the outer wall of the second support column 13, so that the operation blackboard 1 and the hinged support plate 10 are attached together to be carried.

While the utility model has been described in detail with respect to the general description and specific embodiments thereof, it will be apparent to those skilled in the art that various modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.

Claims

1. The utility model provides a portable calculating board, includes calculating blackboard (1), the bottom welding of calculating blackboard (1) has recess extension board (2), its characterized in that: an expansion mechanism is arranged in the groove support plate (2);

the expansion mechanism comprises a first threaded linkage loop block (3), a second threaded linkage loop block (4) and a bidirectional transmission screw rod (5) which are arranged inside a groove support plate (2), the second threaded linkage loop block (4) is located at one side position of the first threaded linkage loop block (3), the inner walls of the first threaded linkage loop block (3) and the second threaded linkage loop block (4) are in threaded connection with the outer wall of the bidirectional transmission screw rod (5), the top end of the first threaded linkage loop block (3) is connected with a first expansion algorithm blackboard (6) which is in horizontal sliding connection with the inside of the algorithm blackboard (1), and the top end of the second threaded linkage loop block (4) is provided with a second expansion algorithm blackboard (7) which is in horizontal sliding connection with the inside of the algorithm blackboard (1).

2. The portable computing board of claim 1, wherein: the outer walls of the first threaded linkage collar block (3) and the second threaded linkage collar block (4) are horizontally and slidably connected with the inner wall of the groove support plate (2), and the inner wall of the groove support plate (2) is subjected to polishing treatment.

3. The portable computing board of claim 1, wherein: the two threads on the outer wall of the bidirectional transmission screw rod (5) are opposite and symmetrically arranged.

4. The portable computing board of claim 1, wherein: the bottom of recess extension board (2) is fixed with a plurality of first friction strips (8) from front to back bonding in proper order, and the vertical cross-sectional shape of every first friction strip (8) all is established to isosceles trapezoid, one side of first friction strip (8) is equipped with a plurality of second friction strips (9) from front to back equidistance range in proper order.

5. The portable computing board of claim 1, wherein: one side of calculating blackboard (1) is equipped with articulated extension board (10), and is equipped with linkage extension board (15) in the top of calculating blackboard (1), the both ends of linkage extension board (15) all are equipped with first support column (11), and the cover is equipped with first bearing block (12) with the place ahead fixed connection of calculating blackboard (1) on first support column (11), outer wall one side of first support column (11) is equipped with second support column (13) of fixing at linkage extension board (15) tip, and the outer wall of second support column (13) is equipped with second bearing block (14).

6. The portable computing board of claim 5, wherein: the first bearing block (12) is rotatably connected with the first supporting column (11) and the second supporting column (13) is rotatably connected with the second bearing block (14) through bearings, and one side of the second bearing block (14) is fixedly welded with the front of the hinged support plate (10) through welding.

7. The portable computing board of claim 5, wherein: the top end of the linkage support plate (15) is welded with a lifting handle (16) for carrying the calculation blackboard (1).