A display board for engineering cost

Abstract

The utility model discloses a display board for engineering cost, relates to the technical field of engineering cost, solves the technical problem that the existing display board only performs limited height adjustment of the display board through fixing holes when adjusting the height, and adjusts the display height according to the interval height and the number of the fixing holes, thereby causing limitations in the adjustment of the display height and reducing the working efficiency of the display board. The utility model comprises a base, on which a bearing cylinder is fixedly mounted, the upper end of the bearing cylinder is in an open structure, and a moving column is inserted into the upper end of the bearing cylinder. The utility model drives the moving column to move through a driving component, thereby arbitrarily adjusting the height of the display board, rotating the bearing plate, thereby adjusting the direction of the display board, limiting the bearing plate through a limiting component to prevent the display board from rotating, and expanding the display board through an extension component to increase the area of ​​the display board.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering cost, in particular to a display board for engineering cost. Background Art

[0002] Project cost refers to the total cost of a project. Its core content is investment estimation, design budget, revised budget, construction drawing budget, project settlement, final settlement, etc. It is mainly based on drawings, quotas, and list specifications to calculate the direct costs, enterprise management fees, measures fees, planning fees, profits, taxes, etc. included in the project. In many cases, the data of project cost needs to be demonstrated to customers using a panel. During the demonstration process, it is usually necessary to mark the data on the panel;

[0003] For example, in the utility model patent named "Specialized Display Board for Engineering Cost" and with publication number CN209056184U, a display board including a base, a support rod vertically fixed on the base, a bracket at the top of the support rod, and a panel rotatably connected to the bracket is designed, the bracket includes vertically arranged parallel opposite columns and a crossbeam located between the bottom ends of the opposite columns, the crossbeam is horizontally arranged and the two ends of the crossbeam are respectively fixedly connected to the opposite columns, the opposite sides of the panel are respectively rotatably connected to the opposite columns through a swivel shaft, a gap is left between the panel and the column, an adjustable length adjustment rod is arranged at the gap, and the two ends of the adjustment rod are respectively hinged to the bottom end face of the panel and the top end face of the crossbeam.

[0004] However, when adjusting the height of the existing display board, the height of the display board is limitedly adjusted only through the fixing holes. The display height is adjusted according to the interval height and number of the fixing holes, which limits the display height adjustment and reduces the working efficiency of the display board. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a display board for engineering cost, which solves the technical problem that the existing display boards are only limited in height adjustment through fixing holes when adjusting the height, and the display height is adjusted according to the interval height and number of the fixing holes, which limits the display height adjustment and reduces the working efficiency of the display board.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a display board for engineering cost, including a base, a carrying cylinder is fixedly installed on the base, the upper end of the carrying cylinder is an open structure, a movable column is inserted into the upper end of the carrying cylinder, the movable column is slidably connected to the carrying cylinder, a driving assembly is provided between the movable column and the carrying cylinder, a carrying plate is rotatably installed on the upper end of the movable column, a limiting assembly is provided between the carrying plate and the moving column, a display board is fixedly installed on the carrying plate, and an extension assembly is provided on the display board.

[0007] Preferably, the driving assembly includes a rack, which is fixedly mounted on the side wall of the moving column, an opening is provided on the side wall of the supporting cylinder, connecting plates are fixedly mounted on the supporting cylinder and on both sides of the opening, a shaft is rotatably mounted between the connecting plates, a box body is fixedly mounted on one side wall of the connecting plates, one end of the shaft passes through the connecting plate and is located in the box body, a first gear is fixedly mounted on the shaft, the first gear is meshingly connected with the rack, the first gear is located between the connecting plates, a worm wheel is fixedly mounted on the shaft, the worm wheel is located in the box body, a worm is rotatably mounted between the two side walls of the box body, the worm is meshingly connected with the worm wheel, and one end of the worm passes through the box body.

[0008] Preferably, a handle is fixedly mounted on the through end of the worm.

[0009] Preferably, guide rods are fixedly mounted on the front and rear walls and the other side wall of the movable column, and guide grooves are provided on the front and rear walls and the other side wall of the bearing tube, and the guide rods are slidably mounted in the guide grooves.

[0010] Preferably, the limiting assembly includes a carrying box, which is fixedly mounted on the lower wall of the carrying plate, the movable column passes through the lower wall of the carrying box and is rotatably connected to the carrying box, the upper end of the movable column rotates with the lower wall of the carrying plate, a second gear is fixedly mounted on the movable column, a through hole is provided on the side wall of the carrying box, a limiting rod is inserted in the through hole, one end of the limiting rod is located in the carrying box and a limiting tooth is fixedly mounted thereon, the limiting tooth is meshingly connected to the second gear, a spring is fixedly mounted between the limiting tooth and the carrying box, and the other end of the limiting rod is exposed from the carrying box and a pull plate is fixedly mounted thereon.

[0011] Preferably, the extension component includes a pair of grooves, which are arranged at both ends of the display board, and the upper and lower walls of the grooves are respectively provided with sliding grooves, and a slider is slidably installed in the sliding groove, and an extension plate is fixedly installed between the sliders, and a baffle is fixedly installed at one end of the extension plate, and the lower wall of the extension plate is respectively provided with a first thread groove and a second thread groove, and the lower wall of the bearing plate and the lower wall of the groove are provided with through holes, and bolts are inserted in the through holes, and the upper ends of the bolts match the first thread groove and the second thread groove.

[0012] Beneficial Effects

[0013] The utility model provides a display board for engineering cost, which solves the technical problem that the existing display board can only adjust the height of the display board through fixed holes when adjusting the height, and adjusts the display height according to the interval height and number of the fixed holes, thereby limiting the adjustment of the display height and reducing the working efficiency of the display board. The utility model drives the moving column to move through the driving component, so that the height of the display board can be adjusted arbitrarily, and the bearing plate can be rotated to adjust the direction of the display board. The bearing plate is limited by the limiting component to prevent the display board from rotating, and the display board is expanded by the extension component to increase the area of ​​the display board. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a schematic diagram of the main structure of a display board for engineering cost.

[0015] Figure 2 The present invention is a schematic diagram of the structure of a driving component of a display board for engineering cost.

[0016] Figure 3 The utility model is a schematic diagram of the structure of the limiting component of the display board for engineering cost.

[0017] In the figure: 1. base; 2. bearing tube; 3. moving column; 4. bearing plate; 5. display board; 6. rack; 7. opening; 8. connecting plate; 9. shaft; 10. box body; 11. first gear; 12. worm gear; 13. worm; 14. handle; 15. guide rod; 16. guide groove; 17. bearing box; 18. second gear; 19. limit rod; 20. limit tooth; 21. spring; 22. pull plate; 23. groove; 24. slide groove; 25. slider; 26. extension plate; 27. baffle; 28. first thread groove; 29. ​​second thread groove; 30. bolt. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-3 The utility model provides a technical solution: a display board 5 for engineering cost, comprising a base 1, a bearing tube 2 is fixedly mounted on the base 1, the upper end of the bearing tube 2 is an open structure, a moving column 3 is inserted on the upper end of the bearing tube 2, the moving column 3 is slidably connected with the bearing tube 2, a driving component is arranged between the moving column 3 and the bearing tube 2, a bearing plate 4 is rotatably mounted on the upper end of the moving column 3, a limiting component is arranged between the bearing plate 4 and the moving column 3, a display board 5 is fixedly mounted on the bearing plate 4, and an extension component is arranged on the display board 5;

[0020] The driving assembly drives the movable column 3 to move, thereby adjusting the height of the display board 5, and the supporting plate 4 is rotated to adjust the direction of the display board 5. The supporting plate 4 is limited by the limiting assembly to prevent the display board 5 from rotating, and the display board 5 is unfolded by the extending assembly to increase the area of ​​the display board 5.

[0021] The present embodiment is further configured as follows: the driving assembly includes a rack 6, the rack 6 is fixedly mounted on the side wall surface of the moving column 3, an opening 7 is opened on the side wall surface of the bearing cylinder 2, connecting plates 8 are fixedly mounted on the bearing cylinder 2 and on both sides of the opening 7, a shaft 9 is rotatably mounted between the connecting plates 8, a box body 10 is fixedly mounted on one side wall surface of the connecting plate 8, one end of the shaft 9 passes through the connecting plate 8 and is located in the box body 10, a first gear 11 is fixedly mounted on the shaft 9, the first gear 11 is meshed and connected with the rack 6, the first gear 11 is located between the connecting plates 8, a worm wheel 12 is fixedly mounted on the shaft 9, the worm wheel 12 is located in the box body 10, a worm 13 is rotatably mounted between the two side wall surfaces in the box body 10, the worm 13 is meshed and connected with the worm wheel 12, and one end of the worm 13 passes through the box body 10;

[0022] The worm 13 is rotated and meshed with the worm wheel 12, so that the worm wheel 12 drives the shaft 9 to rotate, and the shaft 9 drives the first gear 11 to rotate. The first gear 11 is meshed with the rack 6, so that the first gear 11 drives the rack 6 to move, and the rack 6 drives the moving column 3 to move.

[0023] This embodiment is further configured such that a handle 14 is fixedly mounted on the through end of the worm 13 .

[0024] The present embodiment is further configured such that guide rods 15 are fixedly mounted on the front and rear walls and the other side wall of the movable column 3, and guide grooves 16 are formed on the front and rear walls and the other side wall of the bearing tube 2, and the guide rods 15 are slidably mounted in the guide grooves 16;

[0025] The movable column 3 moves along the path of the guide groove 16 under the action of the guide rod 15 .

[0026] The present embodiment is further configured as follows: the limit assembly includes a carrier box 17, the carrier box 17 is fixedly mounted on the lower wall of the carrier plate 4, the movable column 3 penetrates the lower wall of the carrier box 17 and is rotatably connected with the carrier box 17, the upper end of the movable column 3 rotates with the lower wall of the carrier plate 4, a second gear 18 is fixedly mounted on the movable column 3, a through hole is provided on the side wall of the carrier box 17, a limit rod 19 is inserted in the through hole, one end of the limit rod 19 is located in the carrier box 17 and a limit tooth 20 is fixedly mounted thereon, the limit tooth 20 is meshed and connected with the second gear 18, a spring 21 is fixedly mounted between the limit tooth 20 and the carrier box 17, and the other end of the limit rod 19 is exposed from the carrier box 17 and a pull plate 22 is fixedly mounted thereon;

[0027] Pull the pull plate 22. The pull plate 22 drives the limiting rod 19 to move outward, thereby separating the limiting tooth 20 from the second gear 18. At this time, the bearing plate 4 is rotated to adjust the direction of the bearing plate 4. At this time, the pull plate 22 is released, and the spring 21 releases its elastic force, and the spring 21 pushes the limiting tooth 20, so that the limiting tooth 20 is meshed with the second gear 18, thereby preventing the bearing plate 4 from rotating.

[0028] The present embodiment is further configured such that the extension component includes a pair of grooves 23, the pair of grooves 23 are provided at both ends of the display board 5, the upper and lower wall surfaces of the grooves 23 are provided with slide grooves 24 respectively, a slider 25 is slidably installed in the slide groove 24, an extension plate 26 is fixedly installed between the sliders 25, a baffle 27 is fixedly installed at one end of the extension plate 26, a first thread groove 28 and a second thread groove 29 are respectively provided on the lower wall surface of the extension plate 26, a through hole is provided on the lower wall surface of the bearing plate 4 and the lower wall surface of the groove 23, a bolt 30 is inserted in the through hole, and the upper end of the bolt 30 matches the first thread groove 28 and the second thread groove 29;

[0029] The bolt 30 is unscrewed from the second thread groove 29, and the baffle 27 is pulled. The baffle 27 drives the extension plate 26 to move. The extension plate 26 moves along the path of the slide groove 24 under the action of the slider 25, so that the extension plate 26 is moved out of the groove 23, thereby increasing the area of ​​the display board 5. At this time, the bolt 30 is screwed into the first thread groove 28 to prevent the extension plate 26 from moving.

[0030] The detailed connection means are well-known in the art. The following mainly introduces the working principle and process. The specific work is as follows.

[0031] Embodiment: According to the drawings in the specification, the worm 13 is rotated, the worm 13 is meshed with the worm wheel 12, so that the worm wheel 12 drives the shaft 9 to rotate, the shaft 9 drives the first gear 11 to rotate, the first gear 11 is meshed with the rack 6, so that the first gear 11 drives the rack 6 to move, the rack 6 drives the moving column 3 to move, and the moving column 3 moves along the path of the guide groove 16 under the action of the guide rod 15, so as to adjust the height of the display board 5 and pull the pull plate 22. The pull plate 22 drives the limit rod 19 to move outward, thereby separating the limit tooth 20 from the second gear 18. At this time, the support plate 4 is rotated to adjust the direction of the support plate 4. At this time, the pull plate 22 is released, and the spring 21 releases the elastic force. The spring 21 pushes the limit tooth 20, so that the limit tooth 20 is engaged with the second gear 18, thereby preventing the support plate 4 from rotating, and the bolt 30 is unscrewed from the second thread groove 29, and the baffle 27 is pulled. The baffle 27 drives the extension plate 26 to move. The extension plate 26 moves along the path of the slide groove 24 under the action of the slider 25, thereby making the extension plate 26 move out of the groove 23, thereby increasing the area of ​​the display board 5. At this time, the bolt 30 is screwed into the first thread groove 28 to prevent the extension plate 26 from moving.

[0032] It should be noted that, in this document, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

Claims

1. A display board (5) for construction cost, comprising a base (1), characterized in that: A bearing cylinder (2) is fixedly mounted on the base (1), the upper end of the bearing cylinder (2) is an open structure, a moving column (3) is inserted into the upper end of the bearing cylinder (2), the moving column (3) is slidably connected to the bearing cylinder (2), a driving component is provided between the moving column (3) and the bearing cylinder (2), a bearing plate (4) is rotatably mounted on the upper end of the moving column (3), a limiting component is provided between the bearing plate (4) and the moving column (3), a display board (5) is fixedly mounted on the bearing board (4), an extension component is provided on the display board (5), and the extension component comprises a pair of grooves (23), the pair of grooves (23) are arranged on the display board ( 5) at both ends, the upper and lower walls of the groove (23) are respectively provided with a slide groove (24), a slider (25) is slidably installed in the slide groove (24), an extension plate (26) is fixedly installed between the sliders (25), a baffle (27) is fixedly installed at one end of the extension plate (26), a first thread groove (28) and a second thread groove (29) are respectively provided on the lower wall of the extension plate (26), the lower wall of the bearing plate (4) and the lower wall of the groove (23) are provided with a through hole, a bolt (30) is inserted in the through hole, and the upper end of the bolt (30) matches the first thread groove (28) and the second thread groove (29).

2. A display board (5) for construction cost according to claim 1, characterized in that The driving assembly comprises a rack (6), the rack (6) is fixedly mounted on the side wall surface of the moving column (3), an opening (7) is opened on the side wall surface of the bearing cylinder (2), connecting plates (8) are fixedly mounted on the bearing cylinder (2) and located on both sides of the opening (7), a shaft (9) is rotatably mounted between the connecting plates (8), a box body (10) is fixedly mounted on one side wall surface of the connecting plate (8), one end of the shaft (9) passes through the connecting plate (8) and is located in the box body (10), A first gear (11) is fixedly mounted on the shaft (9), the first gear (11) is meshingly connected with the rack (6), the first gear (11) is located between the connecting plates (8), a worm wheel (12) is fixedly mounted on the shaft (9), the worm wheel (12) is located in the box body (10), a worm (13) is rotatably mounted between the two side walls in the box body (10), the worm (13) is meshingly connected with the worm wheel (12), and one end of the worm (13) passes through the box body (10).

3. A display board (5) for construction cost according to claim 2, characterized in that A handle (14) is fixedly mounted on the through end of the worm (13).

4. A display board (5) for construction cost according to claim 2, characterized in that The front and rear walls and the other side wall of the movable column (3) are respectively fixedly mounted with guide rods (15), and the front and rear walls and the other side wall of the bearing tube (2) are provided with guide grooves (16), and the guide rods (15) are slidably mounted in the guide grooves (16).

5. A display board (5) for construction cost according to claim 1, characterized in that The limiting assembly comprises a carrying box (17), the carrying box (17) is fixedly mounted on the lower wall of the carrying plate (4), the moving column (3) penetrates the lower wall of the carrying box (17) and is rotatably connected to the carrying box (17), the upper end of the moving column (3) rotates with the lower wall of the carrying plate (4), a second gear (18) is fixedly mounted on the moving column (3), a through hole is opened on the side wall of the carrying box (17), a limiting rod (19) is inserted in the through hole, one end of the limiting rod (19) is located in the carrying box (17) and a limiting tooth (20) is fixedly mounted thereon, the limiting tooth (20) is meshedly connected to the second gear (18), a spring (21) is fixedly mounted between the limiting tooth (20) and the carrying box (17), the other end of the limiting rod (19) is exposed outside the carrying box (17) and a pulling plate (22) is fixedly mounted thereon.

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