Cost calculation tool box

Abstract

The utility model provides a cost calculation toolbox, relates to constructional engineering cost calculation technical field, including box body, the surface of box body is provided with the adjusting mechanism, the adjusting mechanism includes the extension plate, the surface of extension plate is provided with the positioning rod, the surface of the positioning rod is in sliding connection with the slider, and the slider is in sliding connection with the positioning rod. An electric telescopic rod is rotationally connected to the surface of the box body through a rotating shaft, a connecting block is arranged at the output end of the electric telescopic rod, the connecting block is rotationally connected with a sliding block through a rotating shaft, a baffle is arranged on the surface of an extension plate, a spring is arranged between the baffle and the sliding block, and two threaded rods are rotationally connected to the surface of the box body through bearings; by arranging the adjusting mechanism, paper of different sizes can be positioned, so that calculation is facilitated, the stability during paper fixing is improved, and the situation that corners of the paper fly up in strong wind weather, and use is affected is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering cost calculation, in particular to a cost calculation tool box. Background Art

[0002] Project costs are divided into direct and indirect aspects. Direct costs are composed of labor costs, material costs, machinery usage fees and other direct costs. The calculation of project costs is generally budgeted according to the construction plan, but in actual projects, there will be deviations from the budget or manual calculations are required, which require manual on-site calculations.

[0003] A Chinese patent discloses a construction project cost calculation toolbox, announcement number: CN212919331U, including a box body, a connecting block is provided at one end of the bottom of the box body, the side of the connecting block is movably connected to a support frame, a connecting plate is provided at the other end of the bottom of the box body, the other end of the top of the support frame is slidably connected to the side of the connecting plate, and a supporting foot is provided at the bottom end of the support frame.

[0004] In the prior art, the magnet block placed inside the box needs to be taken out when the paper needs to be pressed, and then the paper needs to be placed on the iron bar. The paper is clamped by the magnet block adsorbing the iron bar. However, the magnet block is easy to lose and can only be fixed in a fixed position range. When it is windy outdoors, the clamping is easy to be unstable. For this reason, we propose a cost calculation toolbox. Utility Model Content

[0005] The utility model aims to solve the above problems and proposes a cost calculation tool box.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a cost calculation toolbox, comprising a box body, the surface of the box body is provided with an adjustment mechanism, the adjustment mechanism comprises an extension plate, the surface of the extension plate is provided with a positioning rod, the surface of the positioning rod is slidably connected with a slider, the surface of the box body is rotatably connected with an electric telescopic rod via a rotating shaft, the output end of the electric telescopic rod is provided with a connecting block, the connecting block and the slider are rotatably connected via a rotating shaft, the surface of the extension plate is provided with a baffle, a spring is provided between the baffle and the slider, the surface of the box body is rotatably connected with two threaded rods via a bearing, the surfaces of the two threaded rods are threadedly connected with a lifting plate, and the surface of the lifting plate is slidably connected with a pressure plate.

[0007] Preferably, the surfaces of the two threaded rods near the bottom ends are connected with a belt via a pulley transmission, and the two threaded rods can be driven to rotate synchronously by providing the belt.

[0008] Preferably, a motor is installed on the surface of the box, and the output end of the motor is fixedly connected to one of the threaded rods, and the motor can drive the threaded rod to rotate.

[0009] Preferably, a limiting groove is provided on the surface of the lifting plate, and a limiting block is provided on the surface of the pressing plate. The limiting block is slidably connected to the limiting groove, and the limiting block is always slid inside the limiting groove, so that the pressing plate is more stable when moving.

[0010] Preferably, rubber pads are provided on the surfaces of the pressing plate and the lifting plate, and a limiting plate is provided on the top end of the threaded rod. The rubber pads can position the paper while avoiding damage to the paper.

[0011] Preferably, support plates are provided on both sides of the upper surface of the box body, and the extension plate is rotatably connected to the support plates via a rotating shaft. The provided support plates can increase the space on the table for placing tools.

[0012] Preferably, a plurality of drawers are slidably connected to the surface of the box body, a plurality of ventilation nets are provided on the rear surface of the box body, and the plurality of drawers can store a variety of tools.

[0013] Preferably, a limit rod is provided on the surface of the lifting plate, and the limit rod is slidably connected to the box body.

[0014] Compared with the prior art, the advantages and positive effects of the utility model are:

[0015] 1. The utility model provides a cost calculation tool box, which can position papers of different sizes by setting an adjustment mechanism, so as to facilitate calculation, improve the stability of the paper when it is fixed, and avoid the corners of the paper flying up in windy weather, which affects the use.

[0016] 2. The utility model provides a cost calculation tool box, which can increase the usable area of ​​the table by arranging extension plates on both sides of the box body, and is stable and convenient for placing tools. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional structural schematic diagram of a cost calculation toolbox is proposed for the utility model;

[0018] Figure 2 A schematic diagram of the structure of a cost calculation toolbox viewed from above is provided for the utility model;

[0019] Figure 3 for Figure 2 The enlarged structural diagram at A in the middle;

[0020] Figure 4The utility model provides a partial cross-sectional structural schematic diagram of a lifting plate of a cost calculation tool box;

[0021] Figure 5 The utility model provides a back view structural schematic diagram of a cost calculation tool box.

[0022] Legend: 1. Box body; 2. Adjustment mechanism; 201. Extension plate; 202. Positioning rod; 203. Slider; 204. Electric telescopic rod; 205. Connecting block; 206. Baffle; 207. Spring; 208. Threaded rod; 209. Lifting plate; 210. Pressing plate; 3. Belt; 4. Motor; 5. Limit block; 6. Rubber pad; 7. Limit plate; 8. Support plate; 9. Drawer; 10. Ventilation net. DETAILED DESCRIPTION

[0023] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0025] Embodiment 1, as Figure 1-5 As shown, a cost calculation toolbox includes a box body 1, and an adjusting mechanism 2 is arranged on the surface of the box body 1. The adjusting mechanism 2 includes an extension plate 201, and a positioning rod 202 is arranged on the surface of the extension plate 201. The surface of the positioning rod 202 is slidably connected with a slider 203. The surface of the box body 1 is rotatably connected with an electric telescopic rod 204 through a rotating shaft. A connecting block 205 is arranged at the output end of the electric telescopic rod 204. The connecting block 205 is rotatably connected to the slider 203 through a rotating shaft. A baffle 206 is arranged on the surface of the extension plate 201. A spring 207 is arranged between the baffle 206 and the slider 203. The surface of the box body 1 is rotatably connected with two threaded rods 208 through a bearing. The surfaces of the two threaded rods 208 are threadedly connected with a lifting plate 209, and the surface of the lifting plate 209 is slidably connected with a pressing plate 210.

[0026] The effect achieved by the entire embodiment 1 is that the set extension plate 201 can increase the usable area of ​​the top of the box body, which is convenient for placing tools. The set paper can be placed on the top of the box body 1, and the lifting plate 209 is driven by two threaded rods 208 to fix the paper. When the paper is small, the paper can be pressed by the movable pressing plate 210 to make the surface of the paper flat, avoiding strong winds that blow the paper and cause inconvenience in use, or even cause the paper to fall off, thereby improving the use effect when calculating on the paper.

[0027] Embodiment 2, as Figure 1-5 As shown, the surfaces of the two threaded rods 208 near the bottom are connected with the belt 3 through the belt 3 wheel transmission, the surface of the box body 1 is installed with a motor 4, the output end of the motor 4 is fixedly connected with one of the threaded rods 208, the surface of the lifting plate 209 is provided with a limiting groove, the surface of the pressure plate 210 is provided with a limiting block 5, the limiting block 5 is slidably connected with the limiting groove, the surfaces of the pressure plate 210 and the lifting plate 209 are provided with a rubber cushion 6, the top of the threaded rod 208 is provided with a limiting plate 7, support plates 8 are provided on both sides of the upper surface of the box body 1, the extension plate 201 is rotatably connected with the support plate 8 through a rotating shaft, a plurality of drawers 9 are slidably connected with the surface of the box body 1, a plurality of ventilation nets 10 are provided on the rear surface of the box body 1, and a limiting rod is provided on the surface of the lifting plate 209, and the limiting rod is slidably connected with the box body 1.

[0028] The effect achieved by the entire embodiment 2 is that the belt 3 can drive the two threaded rods 208 to rotate synchronously, the motor 4 can drive the threaded rod 208 to rotate, the limit block 5 always slides inside the limit groove, so that the pressure plate 210 is more stable when moving, the rubber pad 6 can position the paper while avoiding damage to the paper, the support plate 8 can increase the space for placing tools on the table, and the multiple drawers 9 can store a variety of tools.

[0029] Working principle: when the usable area of ​​the table needs to be increased, the slider 203 is pushed by the cylinder, and the slider 203 moves to both sides along the positioning rod 202, so that the extension plate 201 can be driven to rotate until it is horizontal. At this time, the table area is increased, which is convenient for placing tools. Tools such as drawings can be stored in the drawer 9. The drawings are placed on the surface of the box 1, and one of the threaded rods 208 is driven to rotate by the motor 4, and the other threaded rod 208 is driven to rotate synchronously by the belt 3. At this time, the lifting plate 209 can be driven to move downward, and the drawings can be fixed at this time. Through the sliding pressure plate 210, the paper can be flattened and fixed according to the size of the paper, which is convenient for drawing calculations, etc.

[0030] The wiring diagram of the electric telescopic rod 204 and the motor 4 in the present invention is common knowledge in the art, and its working principle is a well-known technology. The model is selected according to the actual use, so the control method and wiring arrangement of the electric telescopic rod 204 and the motor 4 are not explained in detail.

[0031] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A cost calculation tool box, comprising a box body (1), characterized in that: The surface of the box body (1) is provided with an adjustment mechanism (2), and the adjustment mechanism (2) comprises an extension plate (201), a positioning rod (202) is provided on the surface of the extension plate (201), and a sliding block (203) is slidably connected to the surface of the positioning rod (202); the surface of the box body (1) is rotatably connected to an electric telescopic rod (204) via a rotating shaft; a connecting block (205) is provided at the output end of the electric telescopic rod (204), and the connecting block (205) is rotatably connected to the sliding block (203) via a rotating shaft; a baffle (206) is provided on the surface of the extension plate (201), and a spring (207) is provided between the baffle (206) and the sliding block (203); two threaded rods (208) are rotatably connected to the surface of the box body (1) via a bearing, and the surfaces of the two threaded rods (208) are threadedly connected to lifting plates (209), and the surface of the lifting plates (209) is slidably connected to a pressing plate (210).

2. The cost calculation toolbox according to claim 1, characterized in that: The surfaces of the two threaded rods (208) close to the bottom ends are connected to a belt (3) through a belt (3) wheel transmission.

3. The cost calculation toolbox according to claim 1, characterized in that: A motor (4) is mounted on the surface of the box body (1), and an output end of the motor (4) is fixedly connected to one of the threaded rods (208).

4. The cost calculation toolbox according to claim 1, characterized in that: A limiting groove is provided on the surface of the lifting plate (209), and a limiting block (5) is provided on the surface of the pressing plate (210), wherein the limiting block (5) is slidably connected to the limiting groove.

5. The cost calculation toolbox according to claim 4, characterized in that: The surfaces of the pressing plate (210) and the lifting plate (209) are provided with rubber pads (6), and the top end of the threaded rod (208) is provided with a limiting plate (7).

6. The cost calculation toolbox according to claim 1, characterized in that: Support plates (8) are provided on both sides of the upper surface of the box body (1), and the extension plate (201) is rotatably connected to the support plates (8) via a rotating shaft.

7. The cost calculation toolbox according to claim 1, characterized in that: A plurality of drawers (9) are slidably connected to the surface of the box body (1), and a plurality of ventilation nets (10) are provided on the rear surface of the box body (1).

8. The cost calculation toolbox according to claim 5, characterized in that: A limit rod is provided on the surface of the lifting plate (209), and the limit rod is slidably connected to the box body (1).

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