CN215076408U - Building engineering cost presentation device - Google Patents

Abstract

The utility model discloses a building engineering cost presentation device relates to presentation device technical field. The utility model discloses a projection table, projection table one end both sides all are constructed flutedly, the telescopic link is installed to the recess internal rotation, projection table other end both sides are constructed logical groove, it has the roll post to lead to sliding mounting in the groove, the roll post both ends all are connected with the bracing piece, two bracing piece opposite side lower extremes all are constructed the picture peg, two mutually opposite side upper end fixedly connected with of telescopic link and picture peg matched with slot board, the telescopic link bottom can be dismantled through fixed turnbuckle and insert and be equipped with the support frame. The utility model discloses can be connected for vertical body of rod through the cooperation of bracing piece with the telescopic link when needing the projection to at its bottom erection bracing frame, can make the projection table change and to move and height-adjusting's projection screen, when not needing the projection at ordinary times, can make the projection table change the desk into through adjustment bracing piece and erection joint pole, increase the functionality of device, it is more practical.

Description

Building engineering cost presentation device

Technical Field

The utility model relates to a presentation device technical field, concretely relates to building engineering cost presentation device.

Background

The work process of forecasting, planning, controlling, accounting, analyzing and evaluating the engineering cost by comprehensively using knowledge and skills in the aspects of management, economics, engineering technology and the like is called engineering cost management. The prediction or determination of the construction cost and its constituent contents according to procedures, methods and bases prescribed by laws, regulations and standards, etc., is called project pricing, and the project pricing bases include project measurement pricing standards, project pricing quotations, project cost information, etc., which are related to the pricing contents, pricing methods and price standards.

Present engineering cost uses the computer to calculate building engineering's construction cost usually, then demonstrates for other personnel through the screen, but demonstrates the screen too little in the meeting, so need use the projection screen, and current projection screen function singleness can only be used as the projection screen, and the practicality is not high, consequently the utility model provides a building engineering cost presentation device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: for solving current projection screen function singleness, can only use as the projection screen, the not high problem of practicality, the utility model provides a building engineering cost presentation device.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a building engineering cost presentation device, includes the projection table, projection table one end both sides all are constructed flutedly, the telescopic link is installed to the recess internal rotation, projection table other end both sides are constructed logical groove, it has the column to lead to slidable mounting in the groove, the column both ends all are connected with the bracing piece, two bracing piece opposite side lower extreme all is constructed the picture peg, two the telescopic link is back of the body side upper end fixedly connected with and picture peg matched with slot board mutually, the telescopic link bottom can be dismantled through fixed turnbuckle and insert and be equipped with the support frame, projection table bottom fixed mounting has the connecting block, all there is the connecting rod through bolt demountable installation between connecting block and telescopic link and the bracing piece.

Furthermore, a through hole is formed between the two grooves in the projection table plate, a rotating shaft is installed in the through hole in a penetrating mode, and the telescopic rod is fixedly installed at two ends of the rotating shaft.

Further, the telescopic link includes the interior pole with pivot fixed connection, the cover is equipped with the telescopic sleeve on the interior pole, be constructed a plurality of bolt holes with the axle center on telescopic sleeve and the interior pole, demountable installation has the fastening knob that is used for fixing in the bolt hole.

Furthermore, guide strips are formed on two sides of the inner rod, and guide grooves matched with the guide strips are formed in the telescopic sleeves.

Further, the telescopic sleeve bottom is constructed with the inserted block, the support frame includes the chevron shape support body, be constructed on the chevron shape support body with inserted block matched with slot, be constructed with the screw hole of axle center on chevron shape support body and the inserted block, fixed knob demountable installation is in the screw hole, the equal fixedly connected with backup pad in chevron shape support body bottom both ends, two the equal fixed mounting in both ends of backup pad has the universal auto-lock wheel.

Furthermore, a sliding groove is formed in the through groove, the rolling column comprises a cross shaft which penetrates through the through groove and is fixedly connected with the two supporting rods, and a roller matched with the sliding groove is rotatably sleeved on the cross shaft.

The utility model has the advantages as follows:

1. the utility model discloses can be connected for vertical body of rod through the cooperation of bracing piece with the telescopic link when needing the projection to at its bottom erection bracing frame, can make the projection table change and to move and height-adjusting's projection screen, when not needing the projection at ordinary times, can make the projection table change the desk into through adjustment bracing piece and erection joint pole, increase the functionality of device, it is more practical.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the present invention in another state;

figure 3 is a top plan view of the present invention of figure 1;

fig. 4 is a cross-sectional view taken along the line a-a of fig. 3 according to the present invention;

fig. 5 is a cross-sectional view taken along the line B-B of fig. 3 in accordance with the present invention;

reference numerals: 1. a projection table; 2. a groove; 201. a through hole; 202. a rotating shaft; 3. a telescopic rod; 301. an inner rod; 3011. a guide strip; 302. a telescopic sleeve; 3021. a guide groove; 3022. inserting a block; 303. bolt holes; 304. fastening a screw button; 4. a through groove; 401. a chute; 5. a rolling post; 501. a horizontal axis; 502. a drum; 6. a support bar; 7. inserting plates; 8. a slot plate; 9. fixing the screw button; 10. a support frame; 1001. a herringbone frame body; 1002. a slot; 1003. a threaded hole; 1004. a support plate; 1005. self-locking wheel of every phenomenon; 11. connecting blocks; 12. a connecting rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

As shown in the figures 1-2, the construction cost demonstration device provided by one embodiment of the utility model comprises a projection table board 1, wherein both sides of one end of the projection table board 1 are respectively provided with a groove 2, a telescopic rod 3 is rotationally installed in the groove 2, both sides of the other end of the projection table board 1 are respectively provided with a through groove 4, a rolling post 5 is slidably installed in the through groove 4, both ends of the rolling post 5 are respectively connected with a support rod 6, the lower ends of the two opposite sides of the two support rods 6 are respectively provided with an inserting plate 7, the upper ends of the opposite sides of the two telescopic rods 3 are fixedly connected with an inserting groove plate 8 matched with the inserting plate 7, the bottom of the telescopic rod 3 is detachably inserted with a support frame 10 through a fixed screw button 9, the bottom of the projection table board 1 is fixedly provided with a connecting block 11, and connecting rods 12 are detachably installed between the connecting block 11 and the telescopic rods 3 and the support rods 6 through bolts, the utility model discloses a rotary projection table board 1, then slide the rolling post 5 in logical groove 4, make the bracing piece 6 rotatory and the vertical concatenation of picture peg 7 and the slot board 8 on the telescopic link 3 together, 1 vertical fixed formation projection screen with projection table, otherwise can separate picture peg 7 and slot board 8 when not using projection screen, then rotate projection table 1 to 3 perpendicular with the telescopic link, and install connecting rod 12 between connecting block 11 and telescopic link 3 and bracing piece 6 through the bolt, make the integrated device stabilize and form a desk, the functionality and the practicality of device have been increased.

As shown in fig. 4, in some embodiments, a through hole 201 is formed between two grooves 2 on the projection table board 1, a rotating shaft 202 is rotatably installed in the through hole 201 in a penetrating manner, the telescopic rod 3 is fixedly installed at two ends of the rotating shaft 202, and the telescopic rod 3 penetrates through the through hole 201 through the rotating shaft 202 to support the projection table board 1, so that the pressure-bearing capacity of the device is better.

As shown in fig. 4, in some embodiments, the telescopic rod 3 includes an inner rod 301 fixedly connected to the rotating shaft 202, a telescopic sleeve 302 is sleeved on the inner rod 301, a plurality of coaxial bolt holes 303 are configured on the telescopic sleeve 302 and the inner rod 301, a fastening screw 304 for fixing is detachably mounted in the bolt hole 303, and length adjustment and fixing of the telescopic rod 3 can be achieved through sliding fit of the inner rod 301 and the telescopic sleeve 302 and through cooperation of the bolt hole 303 and the fastening screw 304.

As shown in fig. 3-4, in some embodiments, guide strips 3011 are configured on both sides of the inner rod 301, and a guide groove 3021 configured in the telescopic sleeve 302 and matching with the guide strips 3011, through sliding matching of the guide strips 3011 on the inner rod 301 and the guide grooves 3021 in the telescopic sleeve 302, the inner rod 301 can be ensured to slide vertically in the telescopic sleeve 302, the inner rod 301 is prevented from slipping, and the safety of the device is ensured.

As shown in fig. 2 and 4, in some embodiments, an insertion block 3022 is configured at the bottom of the telescopic sleeve 302, the support frame 10 includes a herringbone frame 1001, an insertion slot 1002 configured on the herringbone frame 1001 and engaged with the insertion block 3022, a coaxial threaded hole 1003 configured on the herringbone frame 1001 and the insertion block 3022, a fixing screw 9 detachably installed in the threaded hole 1003, support plates 1004 fixedly connected to both ends of the bottom of the herringbone frame 1001, universal self-locking wheels 1005 fixedly installed on both ends of the two support plates 1004, and universal self-locking wheels 1005 installed on the bottom surfaces of the two support plates 1004, which facilitates the movement of the device, does not need to be carried, and saves manpower.

As shown in fig. 5, in some embodiments, a sliding slot 401 is configured in the through slot 4, the rolling column 5 includes a horizontal shaft 501 penetrating through the through slot 4 and fixedly connected to the two support rods 6, a roller 502 engaged with the sliding slot 401 is rotatably sleeved on the horizontal shaft 501, and by configuring the sliding slot 401 in the through slot 4, both ends of the roller 502 are in contact with both sides of the sliding slot 401, so as to prevent the roller 502 from shifting when sliding in the sliding slot 401, thereby causing the rolling column 5 to be jammed in the through slot 4.

Claims (6)

1. The utility model provides a building engineering cost presentation device, includes projection table (1), its characterized in that, projection table (1) one end both sides all are constructed recess (2), telescopic link (3) are installed to recess (2) internal rotation, projection table (1) other end both sides are constructed logical groove (4), it has roll post (5) to lead to interior slidable mounting in groove (4), roll post (5) both ends all are connected with bracing piece (6), two bracing piece (6) opposite side lower extreme all is constructed picture peg (7), two telescopic link (3) back of the body side upper end fixedly connected with and picture peg (7) matched with slotting plate (8), telescopic link (3) bottom can be dismantled through fixed screw button (9) and insert and be equipped with support frame (10), projection table (1) bottom fixed mounting has connecting block (11), all through bolt demountable installation between connecting block (11) and telescopic link (3) and bracing piece (6), support frame (8) are dismantled Has a connecting rod (12).

2. The construction cost demonstration device according to claim 1, wherein a through hole (201) is formed between the two grooves (2) on the projection table board (1), a rotating shaft (202) is rotatably installed in the through hole (201) in a penetrating mode, and the telescopic rod (3) is fixedly installed at the end portion of the rotating shaft (202).

3. The construction cost demonstration device according to claim 2, wherein the telescopic rod (3) comprises an inner rod (301) fixedly connected with the rotating shaft (202), a telescopic sleeve (302) is sleeved on the inner rod (301), a plurality of coaxial bolt holes (303) are formed in the telescopic sleeve (302) and the inner rod (301), and fastening screw buttons (304) for fixing are detachably mounted in the bolt holes (303).

4. A construction cost demonstration apparatus according to claim 3, wherein the inner rod (301) is configured with guide bars (3011) on both sides, and the telescopic sleeve (302) is configured with guide grooves (3021) matching with the guide bars (3011).

5. The construction cost demonstration device according to claim 4, wherein an insertion block (3022) is constructed at the bottom of the telescopic sleeve (302), the support frame (10) comprises a herringbone frame body (1001), a slot (1002) matched with the insertion block (3022) is constructed on the herringbone frame body (1001), a threaded hole (1003) with the same axis is constructed on the herringbone frame body (1001) and the insertion block (3022), the fixing screw button (9) is detachably installed in the threaded hole (1003), supporting plates (1004) are fixedly connected to two ends of the bottom of the herringbone frame body (1001), and a universal self-locking wheel (1005) is fixedly installed at two ends of each of the two supporting plates (1004).

6. A construction cost demonstration apparatus according to claim 1, wherein a chute (401) is constructed in the through slot (4), the rolling column (5) comprises a horizontal shaft (501) which penetrates through the through slot (4) and is fixedly connected with the two support rods (6), and a roller (502) which is matched with the chute (401) is rotatably sleeved on the horizontal shaft (501).

Images