CN211380105U - Drawing desk for civil engineering - Google Patents

Abstract

The utility model relates to the technical field of civil engineering, in particular to a drawing table for civil engineering, the table top of which can be correspondingly adjusted according to drawing requirements, unnecessary posture adjustment of drawing personnel is reduced, and drawing efficiency of the drawing personnel is improved, the drawing table comprises a table top and two groups of supporting legs, the top ends of the two groups of supporting legs are respectively connected with the left side and the right side of the bottom of the table top, the drawing table also comprises a supporting plate, a rotating shaft, a fixed threaded rod, a fixed threaded ring, two groups of connecting plates, a supporting rod, two groups of ball bearings, a first gear, an adjusting rod, a second gear, a third gear, two groups of extension rods, two groups of fixed plates, an adjusting threaded rod and a rotating handle, two groups of connecting grooves are respectively arranged at the top center of the supporting plate and the bottom center of the table top, the bottom of the rotating shaft is fixed, the bottom end of the fixed threaded rod is fixed at the right side of the top of the supporting plate.

Description

Drawing desk for civil engineering

Technical Field

The utility model relates to a civil engineering's technical field especially relates to a drawing desk for civil engineering.

Background

As is well known, a drawing table for civil engineering is an auxiliary device for drawing a drawing of civil engineering construction paper, which is widely used in the field of civil engineering; the top ends of the two groups of supporting legs are respectively connected with the left side and the right side of the bottom of the desktop; when the existing drawing table for civil engineering is used, drawing paper is placed on the table top for drawing; the existing drawing table for civil engineering is found in use, because the table top can not be adjusted correspondingly, the drawing personnel need to change various postures and angles during drawing, and the efficiency of the drawing personnel is seriously influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a drawing desk for civil engineering, its desktop can carry out corresponding regulation according to the drawing needs, and less drawing personnel unnecessary posture adjustment improves drawing personnel's drawing efficiency.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a drawing desk for civil engineering comprises a desktop and two groups of supporting legs, wherein the top ends of the two groups of supporting legs are respectively connected with the left side and the right side of the bottom of the desktop, the drawing desk also comprises a supporting plate, a rotating shaft, a fixed threaded rod, a fixed threaded ring, two groups of connecting plates, a supporting rod, two groups of ball bearings, a first gear, an adjusting rod, a second gear, a third gear, two groups of extension rods, two groups of fixing plates, an adjusting threaded rod and a rotating handle, wherein two groups of connecting grooves are respectively arranged in the center of the top of the supporting plate and the center of the bottom of the desktop, the bottom end of the rotating shaft is fixed in the connecting groove of the supporting plate, the top end of the rotating shaft is rotatably connected with the connecting groove of the desktop, the desktop is in contact with the supporting plate, the bottom end of the fixed threaded rod is, the fixed threaded ring is positioned above the desktop, the top ends of the two groups of connecting plates are respectively fixed on the left side and the right side of the bottom of the supporting plate, the left side and the right side of the top of the supporting rod are respectively connected with the bottom ends of the two groups of connecting plates, the top part of the right side of the supporting leg positioned on the left side of the desktop and the top part of the left side of the desktop are respectively provided with two groups of rotating grooves, two groups of ball bearings are respectively arranged in the two groups of rotating grooves, two groups of supporting rods are respectively fixed inside the two groups of ball bearings, the middle part of the first gear is sleeved on the left side of the supporting rod, the left end of the adjusting rod is fixed on the top part of the right side of the supporting leg positioned on the left side of the desktop, the adjusting rod is positioned below the supporting rod, the second gear and the third gear, the left ends of the two groups of fixed plates are fixed at the other ends of the two groups of extension rods respectively, the middle parts of the two groups of fixed plates are provided with two groups of fixed openings respectively, the front end and the rear end of the adjusting threaded rod are rotatably connected with the two groups of fixed openings respectively, the bottom of the adjusting threaded rod is meshed with the top of the third gear, and the rotating handle is connected with the front end of the adjusting threaded rod.

Preferably, the thread spread angle of the adjusting threaded rod is smaller than the friction angle between the dispensing threaded rod and the third gear.

Preferably, still include two sets of lifting sleeve, elevator motor, two sets of electric lift pole and switch, the lower part of two sets of landing legs is located two sets of lifting sleeve's inside respectively, the elevator motor left side is fixed on the right side that is located the left lifting sleeve of desktop, two sets of electric lift pole are fixed the inside bottom of two sets of lifting sleeve respectively, the top of two sets of electric lift pole is connected with the bottom of two sets of landing legs respectively, two sets of electric lift pole all are connected with the elevator motor electricity, switch installs the right side at elevator motor.

Preferably, the lifting device further comprises a cross rod, two groups of moving rods and four groups of self-locking rollers, wherein the left end and the right end of the cross rod are respectively connected with the bottom ends of the two groups of lifting sleeves, the top ends of the two groups of moving rods are respectively fixed at the left end and the right end of the bottom of the cross rod, and the four groups of self-locking rollers are respectively installed at the front end and the rear end of the bottom of the two groups of moving rods.

Preferably, still include the dust proof box, the inside dust proof chamber that is provided with of dust proof box, dust proof box top intercommunication is provided with the dust vent, dust proof box front side and rear side communicate respectively and are provided with two sets of mouths that rotate, the left side intercommunication of dust proof box is provided with the regulation mouth, the dust proof box is located the below of bracing piece, the left side of dust proof box is fixed at the right side top that is located the left landing leg of desktop, adjust the pole, second gear and third gear all are located the dust proof box inside, the left end of adjusting the pole passes the regulation mouth, the front end and the rear end of adjusting threaded rod pass two sets of mouths that rotate respectively, the bottom of first gear passes the dust vent.

Preferably, the table further comprises two sets of clamps, and the two sets of clamps are respectively fixed on the left side and the rear side of the top of the table top.

Preferably, the table further comprises a baffle plate, and the baffle plate is fixed on the right front side of the top of the table top.

Preferably, the multifunctional tool box further comprises a tool box, the right side of the tool box is fixed to the top of the left side of the supporting leg on the right side of the table top, a tool cavity is formed in the tool box, the front side of the tool box is communicated with a tool opening, and a tool plate is arranged in the tool opening in a covering mode.

(III) advantageous effects

Compared with the prior art, the utility model provides a drawing desk for civil engineering possesses following beneficial effect:

the drawing table for civil engineering is separated from a table top by rotating a fixed threaded ring, then the table top is rotated on a supporting plate by rotating the table top, meanwhile, the rotating range of the table top is controlled by a fixed threaded rod, the table top is rotated to a proper angle, then the fixed threaded ring is rotated to be in close contact with the table top, so that the table top is attached to the supporting plate by friction force, a drawing worker can rotate the table top in a certain direction as required in the drawing process, in addition, a handle is rotated to drive an adjusting threaded rod to rotate, the adjusting threaded rod drives a third gear to rotate by meshing transmission, so that the second gear drives a first gear to rotate, the supporting rod is rotated, the angle adjustment of the vertical direction of the table top is completed, the table top is more attached to the elbow part of the drawing worker, and the comfort level of the drawing worker is improved, through the operation, the device can be adjusted according to the needs of the drawing personnel when in use, thereby improving the drawing efficiency of the drawing personnel.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a left side view of the present invention;

fig. 3 is a top view of the present invention;

FIG. 4 is an enlarged view of part A of the structure of the present invention;

in the drawings, the reference numbers: 1. a desktop; 2. a support leg; 3. a support plate; 4. a rotating shaft; 5. fixing a threaded rod; 6. fixing the threaded ring; 7. a connecting plate; 8. a support bar; 9. a ball bearing; 10. a first gear; 11. adjusting a rod; 12. a second gear; 13. a third gear; 14. an extension pole; 15. a fixing plate; 16. adjusting the threaded rod; 17. rotating the handle; 18. a lifting sleeve; 19. a lifting motor; 20. an electric lifting rod; 21. a power switch; 22. a cross bar; 23. a travel bar; 24. self-locking type idler wheels; 25. a dust-proof box; 26. a clamp; 27. a baffle plate; 28. a tool box; 29. a tool plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the drawing table for civil engineering of the present invention comprises a table top 1 and two sets of supporting legs 2, the top ends of the two sets of supporting legs 2 are respectively connected with the left side and the right side of the bottom of the table top 1, a supporting plate 3, a rotating shaft 4, a fixed threaded rod 5, a fixed threaded ring 6, two sets of connecting plates 7, a supporting rod 8, two sets of ball bearings 9, a first gear 10, an adjusting rod 11, a second gear 12, a third gear 13, two sets of extension rods 14, two sets of fixing plates 15, an adjusting threaded rod 16 and a rotating handle 17, two sets of connecting grooves are respectively arranged at the center of the top of the supporting plate 3 and the center of the bottom of the table top 1, the bottom of the rotating shaft 4 is fixed in the connecting groove of the supporting plate 3, the top end of the rotating shaft 4 is rotatably connected with the connecting groove of the table top 1, an arc-shaped rotating through hole is formed in the right side of the desktop 1, the middle of the fixed threaded rod 5 is located in the rotating through hole, the fixed threaded ring 6 is screwed above the fixed threaded rod 5, the fixed threaded ring 6 is located above the desktop 1 and separated from the desktop 1 by rotating the fixed threaded ring 6, then the desktop 1 is rotated on the supporting plate 3 by rotating the desktop 1, meanwhile, the rotating range of the desktop 1 is controlled by the fixed threaded rod 5, after the desktop 1 is rotated to a proper angle, the fixed threaded ring 6 is rotated to be in close contact with the desktop 1, so that the desktop 1 and the supporting plate 3 are attached together by friction force, and a drawing worker can rotate the desktop 1 in a certain direction as required in the drawing process; the table top comprises a table top 1 and is characterized by further comprising two groups of clamps 26, wherein the two groups of clamps 26 are respectively fixed on the left side and the rear side of the top of the table top 1, and drawing drawings can be fixed by the two groups of clamps 26; the table top comprises a table top 1 and is characterized by further comprising a baffle 27, wherein the baffle 27 is fixed on the right front side of the top of the table top 1, and drawing tools can be placed on the baffle 27 to prevent the table top 1 from rolling off from the table top 1 when the table top 1 inclines; the top ends of two groups of connecting plates 7 are respectively fixed on the left side and the right side of the bottom of the supporting plate 3, the left side and the right side of the top of the supporting rod 8 are respectively connected with the bottom ends of the two groups of connecting plates 7, the top of the right side of the supporting leg 2 positioned on the left side of the table top 1 and the top of the left side of the supporting leg 2 positioned on the right side of the table top 1 are respectively provided with two groups of rotating grooves, two groups of supporting rods 8 are respectively fixed in the two groups of rotating grooves, the middle part of the first gear 10 is sleeved on the left side of the supporting rod 8, the dust-proof box 25 also comprises a dust-proof box 25, a dust-proof cavity is arranged in the dust-proof box 25, the top of the dust-proof box 25 is communicated and provided with a dust-proof port, the front side and the rear side of the dust-proof box 25 are respectively communicated and provided with two groups of rotating ports, the adjusting rod 11 is positioned in the dust-proof box 25, the left end of the adjusting rod 11 passes through the adjusting opening and is fixed at the top of the right side of the supporting leg 2 positioned at the left side of the table top 1, the second gear 12 and the third gear 13 are respectively sleeved at the right side and the left side of the adjusting rod 11, the bottom of the first gear 10 passes through the dust-proof opening and extends into the dust-proof box 25, the top of the second gear 12 is meshed with the bottom of the first gear 10, one end of two groups of extension rods 14 are respectively fixed at the top of the front side and the top of the rear side of the supporting leg 2 positioned at the left side of the table top 1, the left ends of two groups of fixing plates 15 are respectively fixed at the other ends of the two groups of extension rods 14, two groups of fixing openings are respectively arranged at the middle parts of the two groups of fixing plates 15, the front end and the rear end of the adjusting threaded rod 16 respectively pass through the, thereby ensuring smooth transmission between the two; the bottom of the adjusting threaded rod 16 is meshed with the top of the third gear 13, the thread spreading angle of the adjusting threaded rod 16 is smaller than the friction angle between the dispensing threaded rod and the third gear 13, the thread angle of the adjusting threaded rod 16 is smaller than the friction angle between the adjusting threaded rod 16 and the third gear 13, and a self-locking mechanism can be arranged between the adjusting threaded rod 16 and the third gear 13, so that the adjusting threaded rod 16 can drive the third gear 13 to rotate, but the third gear 13 cannot drive the adjusting threaded rod 16 to rotate, so that the table top 1 can be kept stable, and the automatic rotation phenomenon cannot occur; the rotating handle 17 is connected with the front end of the adjusting threaded rod 16, the adjusting threaded rod 16 is driven to rotate through the rotating handle 17, the adjusting threaded rod 16 drives the third gear 13 to rotate through meshing transmission, the second gear 12 drives the first gear 10 to rotate, and the supporting rod 8 rotates, so that the angle adjustment of the tabletop 1 in the vertical direction is completed, and the tabletop 1 is more attached to the elbow part of a drawing worker; the multifunctional table top is characterized by further comprising two groups of lifting sleeves 18, a lifting motor 19, two groups of electric lifting rods 20 and a power switch 21, the lower parts of two groups of supporting legs 2 are respectively located inside the two groups of lifting sleeves 18, the left side of the lifting motor 19 is fixed on the right side of the lifting sleeve 18 located on the left side of the table top 1, the two groups of electric lifting rods 20 are respectively fixed at the bottom parts inside the two groups of lifting sleeves 18, the top ends of the two groups of electric lifting rods 20 are respectively connected with the bottom ends of the two groups of supporting legs 2, the two groups of electric lifting rods 20 are electrically connected with the lifting motor 19, the power switch 21 is installed on the right side of the lifting motor 19, the two groups of electric lifting rods 20 are driven by the upgrading motor to lift; the device is characterized by further comprising a cross rod 22, two groups of moving rods 23 and four groups of self-locking rollers 24, wherein the left end and the right end of the cross rod 22 are respectively connected with the bottom ends of the two groups of lifting sleeves 18, the top ends of the two groups of moving rods 23 are respectively fixed at the left end and the right end of the bottom of the cross rod 22, the four groups of self-locking rollers 24 are respectively installed at the front end and the rear end of the bottom of the two groups of moving rods 23, and the device can be conveniently moved and fixed through the four groups of; still include toolbox 28, toolbox 28 right side is fixed and is located the left side top of desktop 1 right side landing leg 2, and toolbox 28 inside is provided with the instrument chamber, and toolbox 28 front side intercommunication is provided with the tool mouth, and tool plate 29 has been set up to tool mouth inner cover, uses toolbox 28 can deposit some drawing tools commonly used, improves drawing personnel's drawing efficiency.

When using, make it separate with desktop 1 through rotating fixed threaded ring 6, then make desktop 1 rotate in backup pad 3 through rotating desktop 1, simultaneously through the rotation range of fixed threaded rod 5 control desktop 1, after rotating desktop 1 to suitable angle, rotatory fixed threaded ring 6 makes it and desktop 1 in close contact with, thereby paste desktop 1 and backup pad 3 together through frictional force, then, drive adjusting threaded rod 16 through rotating handle 17 and rotate, make adjusting threaded rod 16 drive third gear 13 through the meshing transmission and rotate, thereby make second gear 12 drive first gear 10 and rotate, thereby make bracing piece 8 take place to rotate, thereby accomplish the angle modulation to desktop 1 vertical direction, in addition, can use the upgrading motor to adjust desktop 1's height.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

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 (8)

1. A drawing desk for civil engineering comprises a desktop (1) and two groups of supporting legs (2), wherein the top ends of the two groups of supporting legs (2) are respectively connected with the left side and the right side of the bottom of the desktop (1), and is characterized by comprising a supporting plate (3), a rotating shaft (4), a fixed threaded rod (5), a fixed threaded ring (6), two groups of connecting plates (7), a supporting rod (8), two groups of ball bearings (9), a first gear (10), an adjusting rod (11), a second gear (12), a third gear (13), two groups of extension rods (14), two groups of fixing plates (15), an adjusting threaded rod (16) and a rotating handle (17), wherein two groups of connecting grooves are respectively arranged in the center of the top of the supporting plate (3) and the center of the bottom of the desktop (1), the bottom end of the rotating shaft (4) is fixed in the connecting groove of the supporting plate (3), and the top end of the, the table top (1) and the supporting plate (3) are contacted with each other, the bottom end of the fixed threaded rod (5) is fixed at the right side of the top of the supporting plate (3), the right side of the table top (1) is provided with an arc-shaped rotating through hole, the middle part of the fixed threaded rod (5) is positioned in the rotating through hole, the fixed threaded ring (6) is screwed above the fixed threaded rod (5), the fixed threaded ring (6) is positioned above the table top (1), the top ends of the two groups of connecting plates (7) are respectively fixed at the left side and the right side of the bottom of the supporting plate (3), the left side and the right side of the top of the supporting rod (8) are respectively connected with the bottom ends of the two groups of connecting plates (7), the right top of the supporting leg (2) positioned at the left side of the table top (1) and the left top of the supporting leg (2) positioned at the right side of the table top (1), the middle part of a first gear (10) is sleeved on the left side of a supporting rod (8), the left end of an adjusting rod (11) is fixed on the top of the right side of a supporting leg (2) on the left side of a table top (1), the adjusting rod (11) is positioned below the supporting rod (8), a second gear (12) and a third gear (13) are respectively sleeved on the right side and the left side of the adjusting rod (11), the top of the second gear (12) is meshed with the bottom of the first gear (10), one ends of two groups of extension rods (14) are respectively fixed on the top of the front side and the top of the rear side of the supporting leg (2) on the left side of the table top (1), the left ends of two groups of fixing plates (15) are respectively fixed on the other ends of the two groups of extension rods (14), two groups of fixing holes are respectively arranged in the middle parts of the two groups of fixing plates (15), the front end and the rear end of an adjusting threaded rod (16) are respectively rotatably connected, the rotating handle (17) is connected with the front end of the adjusting threaded rod (16).

2. Drawing table for civil engineering according to claim 1, characterised in that the angle of spreading of the thread of the adjustment threaded rod (16) is less than the angle of friction between the dispensing threaded rod and the third gear wheel (13).

3. The drawing desk for civil engineering as claimed in claim 1, further comprising two sets of lifting sleeves (18), a lifting motor (19), two sets of electric lifting rods (20) and a power switch (21), wherein the lower parts of the two sets of supporting legs (2) are respectively located inside the two sets of lifting sleeves (18), the left side of the lifting motor (19) is fixed on the right side of the lifting sleeve (18) located on the left side of the desktop (1), the two sets of electric lifting rods (20) are respectively fixed on the bottom inside the two sets of lifting sleeves (18), the top ends of the two sets of electric lifting rods (20) are respectively connected with the bottom ends of the two sets of supporting legs (2), the two sets of electric lifting rods (20) are electrically connected with the lifting motor (19), and the power switch (21) is installed on the right side of the lifting motor (19).

4. A drawing desk for civil engineering as claimed in claim 1 further comprising a cross bar (22), two sets of moving bars (23) and four sets of self-locking rollers (24), the left and right ends of the cross bar (22) being connected to the bottom ends of the two sets of lifting sleeves (18), respectively, the top ends of the two sets of moving bars (23) being fixed to the left and right ends of the bottom of the cross bar (22), respectively, the four sets of self-locking rollers (24) being mounted at the front and rear ends of the bottom of the two sets of moving bars (23), respectively.

5. The drawing desk for civil engineering as claimed in claim 1, further comprising a dustproof box (25), wherein a dustproof cavity is arranged inside the dustproof box (25), the top of the dustproof box (25) is communicated with and provided with a dustproof port, the front side and the rear side of the dustproof box (25) are respectively communicated with and provided with two sets of rotation ports, the left side of the dustproof box (25) is communicated with and provided with an adjusting port, the dustproof box (25) is located below the supporting rod (8), the left side of the dustproof box (25) is fixed on the top of the right side of the supporting leg (2) located on the left side of the desktop (1), the adjusting rod (11), the second gear (12) and the third gear (13) are all located inside the dustproof box (25), the left end of the adjusting rod (11) passes through the adjusting port, the front end and the rear end of the adjusting threaded rod (16) respectively pass through the two sets of rotation ports, and the bottom end of the first gear (10) passes through the dustproof port.

6. Drawing table for civil engineering according to claim 1, characterised in that it comprises two sets of clamps (26), the two sets of clamps (26) being fixed respectively on the left and on the rear side of the top of the table top (1).

7. Drawing table for civil engineering according to claim 1, characterised in that it also comprises a stop (27), the stop (27) being fixed to the right front side of the top of the table top (1).

8. Drawing desk for civil engineering according to claim 1, characterised in that it further comprises a tool box (28), the right side of the tool box (28) is fixed on the top of the left side of the leg (2) on the right side of the desktop (1), a tool cavity is arranged inside the tool box (28), the front side of the tool box (28) is provided with a tool opening in communication, and a tool plate (29) is arranged in the tool opening in a covering manner.

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