CN215883125U

CN215883125U - Civil engineering uses portable drawing device

Info

Publication number: CN215883125U
Application number: CN202121492966.3U
Authority: CN
Inventors: 杨延茹
Original assignee: Shandong Huayu University of Technology
Current assignee: Shandong Huayu University of Technology
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2022-02-22
Anticipated expiration: 2031-07-02

Abstract

The utility model relates to the technical field of drawing tools, in particular to a portable drawing device for civil engineering. This portable drawing device for civil engineering includes: drawing board and relative first, the second support frame that sets up in the drawing board both sides, wherein: the first support frame and the second support frame have the same structure; the first support frame comprises a first telescopic rod, a second telescopic rod and an angle adjusting mechanism, and the first telescopic rod and the second telescopic rod are rotatably connected; the drawing board is rotatably connected with the first telescopic rod; the angle adjusting mechanism comprises a sleeve and a screw rod, wherein the first end of the screw rod is connected with the drawing board, and the second end of the screw rod extends into the sleeve and can move back and forth. According to the embodiment of the utility model, by adjusting the lengths of the first telescopic rod and the second telescopic rod, the drawing work of workers at a proper height is facilitated. The lead screw is moved forwards, so that the drawing board is jacked upwards by the lead screw to adjust the angle of the drawing board, and the technical problem that the height and the angle of the existing drawing board cannot be adjusted is solved.

Description

Civil engineering uses portable drawing device

Technical Field

The utility model relates to the technical field of drawing tools, in particular to a portable drawing device for civil engineering.

Background

Civil engineering refers to the applied materials, equipment, the technical activities of surveying, designing, constructing, maintaining, repairing and the like, and also refers to the objects of engineering construction, namely, various engineering facilities which are constructed on the ground or underground or on land and directly or indirectly serve human life, production, military and scientific research, such as houses, roads, railways, pipelines, tunnels, bridges, canals, dams, harbors, power stations, airports, ocean platforms, water supply and drainage, protection engineering and the like.

Drawing often need be drawn in civil engineering field, especially when the job site investigation, need draw the condition on scene more, need use the drawing board when drawing, but the drawing board of using carries inconveniently to the height and the angle of drawing board are difficult to adjust when using, and the staff is difficult to draw under suitable height and angle, and it is comparatively inconvenient to use.

Therefore, there is a need for a portable drawing device for civil engineering.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problems in the prior art, the utility model provides a portable drawing device for civil engineering, which can adjust the height and the angle of a drawing board and is convenient for workers to draw.

In order to achieve the above technical object, an embodiment of the present invention provides a portable drawing device for civil engineering, including a drawing board, and a first support frame and a second support frame oppositely disposed on two sides of the drawing board, wherein: the first support frame and the second support frame are identical in structure; the first support frame comprises a first telescopic rod, a second telescopic rod and an angle adjusting mechanism, and the first telescopic rod and the second telescopic rod are rotatably connected; the drawing board is rotatably connected with the first telescopic rod; the angle adjusting mechanism comprises a sleeve and a screw rod, wherein the first end of the screw rod is connected with the drawing board, and the second end of the screw rod extends into the sleeve and can move back and forth.

Further, first telescopic link includes first movable rod and first support leg, first movable rod inserts and establishes in the first support leg and lock through first locking piece.

Furthermore, a first threaded hole is formed in the first support leg, when the first telescopic rod is locked, the first locking piece is in threaded connection with the first threaded hole, and the end portion of the first locking piece abuts against the outer wall surface of the first movable rod.

Furthermore, the second telescopic rod comprises a second movable rod and a second supporting leg, the second movable rod is inserted into the second supporting leg and locked through a second locking piece, and the second locking piece and the first locking piece are identical in structure.

Further, the angle adjusting mechanism further comprises a rotating handle, and the rotating handle is rotatably connected with the sleeve; and a second threaded hole matched with the screw rod is formed in the rotating handle, so that the rotating handle is in threaded connection with the screw rod.

Furthermore, a transverse fixed shaft is arranged on the first telescopic rod; the sleeve comprises a cross rod and a longitudinal rod, and the cross rod is connected with the fixed shaft; the rotating handle is rotatably connected with one end of the longitudinal rod back to the transverse rod.

Furthermore, the angle adjusting mechanism also comprises a clamping seat which is used for connecting the screw rod and the drawing board; the drawing board is provided with a sliding chute; the card holder includes: the clamping part is rotatably connected with the screw rod; and the sliding part is embedded in the sliding groove and can move back and forth along the sliding groove.

Furthermore, the bottoms of the first telescopic rod and the second telescopic rod are both provided with cones.

Further, a handle is arranged at the top of the drawing board.

One or more technical solutions provided in the embodiments of the present invention have at least the following technical effects or advantages:

1. according to the embodiment of the utility model, by adjusting the lengths of the first telescopic rod and the second telescopic rod, the drawing work of workers at a proper height is facilitated. The lead screw is moved forwards, so that the drawing board is jacked upwards by the lead screw to adjust the angle of the drawing board, and the technical problem that the height and the angle of the existing drawing board cannot be adjusted is solved.

2. In the embodiment of the utility model, the end part of the longitudinal rod, which is back to the transverse rod, is provided with the clamping part, so that the section of the longitudinal rod is approximately in a T shape, the connecting part is provided with the groove body with the T-shaped section, and the clamping part is arranged in the groove body, so that the rotating handle and the sleeve can be rotatably connected, and the rotating handle can be prevented from falling off.

3. In the embodiment of the utility model, the clamping seat can slide on the drawing board, the angle adjusting range of the drawing board is increased when the angle of the drawing board is adjusted by matching with the rotation of the sleeve, and meanwhile, when the whole drawing board is stored, the sleeve and the screw rod are convenient to store, the occupied area of the whole drawing board is reduced, and the drawing board is convenient to carry outdoors.

Drawings

FIG. 1 is a front view of a portable drawing device in accordance with an embodiment of the present invention;

FIG. 2 is a side view of a portable drawing device in accordance with an embodiment of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic view of a connection structure of the sleeve, the lead screw and the rotating handle in the embodiment of the utility model.

Description of the reference numerals

1-a drawing board, 2-a first support frame, 3-a second support frame, 4-a first telescopic rod, 5-a second telescopic rod, 6-a sleeve, 7-a screw rod, 8-a rotating handle, 9-a first movable rod, 10-a first support leg, 11-a first locking part, 12-a threaded seat, 13-a second movable rod, 14-a second support leg, 15-a second locking part, 16-a fixed shaft, 17-a cross rod, 18-a longitudinal rod, 19-a rotating part, 20-a connecting part, 21-a clamping part, 22-a clamping seat, 23-a clamping part, 24-a sliding part, 25-a sliding groove, 26-a cone, 27-a handle, 28-a rotating shaft, 29-a pin shaft, 30-a guide rail and 31-a fixing part.

Detailed Description

Other objects and advantages of the present invention will become apparent by the following explanation of preferred embodiments of the present invention.

Fig. 1 to 4 show a schematic configuration of a portable drawing device for civil engineering according to the utility model. For convenience of description, the terms "upper", "lower", "left" and "right" are used in the same direction as the upper, lower, left and right directions of the drawings, but do not limit the structure of the present invention.

As shown in fig. 1 to 4, a portable drawing device for civil engineering includes a drawing board 1 and first and

second support frames

2 and 3 disposed on two sides of the drawing board 1, wherein: the first support frame 2 and the second support frame 3 have the same structure.

The first support frame 2 will be described below as an example. The first support frame 2 comprises a first telescopic rod 4, a second telescopic rod 5 and an angle adjusting mechanism, and the first telescopic rod 4 and the second telescopic rod 5 are rotatably connected through a pin shaft 29; the drawing board 1 is rotatably connected with the first telescopic rod 4 through a rotating shaft 28; the angle adjusting mechanism comprises a sleeve 6 and a screw rod 7, wherein a first end of the screw rod 7 is connected with the drawing board 1, and a second end of the screw rod 7 extends into the sleeve 6 and can move back and forth.

In the embodiment of the utility model, by adjusting the lengths of the first telescopic rod 4 and the second telescopic rod 5, the drawing work of workers at a proper height is facilitated. With lead screw 7 forward movement to make lead screw 7 with drawing board 1 upwards jack-up in order to adjust drawing board 1's angle, solved the technical problem of current drawing board 1 unable adjustment height and angle.

In some embodiments, as shown in fig. 2, the first telescopic rod 4 comprises a first movable rod 9 and a first support leg 10, the first movable rod 9 being inserted in the first support leg 10 and locked by a first locking member 11. Specifically, a guide rail 30 extending along the axial direction of the first movable rod 9 is disposed on the side surface of the first movable rod 9, and correspondingly, a guide groove matched with the guide rail 30 is disposed in the first support leg 10 to provide a guiding function for extension and retraction of the first movable rod 9.

In some embodiments, as shown in fig. 1 and 2, the first support leg 10 has a first threaded hole, when the first telescopic rod 4 is locked, the first locking member 11 is screwed into the first threaded hole, and an end of the first locking member 11 abuts against an outer wall surface of the first movable rod 9. A threaded seat 12 is arranged on the first support leg 10 near the upper end, the first locking piece 11 can be a screw, a first threaded hole is formed in the threaded seat 12, and the first telescopic rod 4 is locked by connecting the screw to the threaded seat 12 in a threaded manner and abutting against the first movable rod 9. In order to increase the locking effect, a rubber layer can be arranged at one end of the screw rod, which is abutted against the first movable rod 9, so that the friction is increased.

In some embodiments, as shown in fig. 2, the second telescopic rod 5 comprises a second movable rod 13 and a second supporting leg 14, the second movable rod 13 is inserted into the second supporting leg 14 and locked by a second locking member 15, and the second locking member 15 and the first locking member 11 are identical in structure. The extension and retraction manner of the second telescopic rod 5 and the locking manner of the second locking member 15 are the same as those of the first telescopic rod 4 and the first locking member 11, and are not described herein again.

In some embodiments, as shown in fig. 3 and 4, the angle adjustment mechanism further comprises a rotating handle 8, the rotating handle 8 being rotatably connected to the cannula 6; a second threaded hole matched with the screw rod 7 is formed in the rotating handle 8, so that the rotating handle 8 is in threaded connection with the screw rod 7. The rotating handle 8 comprises a rotating part 19 and a connecting part 20, and the rotating part 19 is in threaded connection with the screw rod 7; the rotating handle 8 is rotated to drive the screw rod 7 to reciprocate back and forth so as to jack up or drop the drawing board 1.

In some embodiments, as shown in fig. 2 and 4, the first telescopic rod 4 is provided with a transverse fixed shaft 16; the sleeve 6 comprises a cross rod 17 and a longitudinal rod 18, and the cross rod 17 is rotatably connected with the fixed shaft 16; the turning handle 8 is rotatably connected with one end of the longitudinal rod 18 opposite to the transverse rod 17. Specifically, the vertical rod 18 is hollow, and the screw rod 7 reciprocates in the vertical rod 18. The connecting portion 20 of the turning handle 8 is rotatably connected to the side rail 18. The tip of vertical pole 18 back to horizontal pole 17 is provided with joint portion 21, makes the cross-section of vertical pole 18 roughly be "T" shape, sets up the cell body that the cross-section is T shape on connecting portion 20, and joint portion 21 sets up in this cell body to realize that turning handle 8 and sleeve pipe 6's rotation are connected and are avoided turning handle 8 to drop simultaneously. The cross bar 17 is in threaded connection with a fixing piece 31, the fixing piece 31 can be a screw rod, the end portion of the screw rod extends into the cross bar 17 and abuts against the outer wall of the fixing shaft 16 to limit the cross bar 17 to rotate freely, the end portion of the fixing piece 31 can be in an arc shape and is better matched with the fixing shaft 16, a rubber layer can be added, and the stability in drawing is improved.

In some embodiments, as shown in fig. 2 and 3, the angle adjusting mechanism further includes a clamping seat 22 for connecting the lead screw 7 and the drawing board 1; the drawing board 1 is provided with a sliding chute 25; the card holder 22 includes a holding portion 23 and a sliding portion 24, wherein: the clamping part 23 is rotatably connected with the screw rod 7; the sliding portion 24 is fitted in the slide groove 25 and can reciprocate along the slide groove 25. Cassette 22 can slide on drawing board 1, thereby increases drawing board 1's angle modulation scope when cooperating sleeve 6's rotation adjustment drawing board 1 angle, when accomodating drawing board 1 whole simultaneously, conveniently accomodates sleeve 6 and lead screw 7, reduces the holistic area occupied of drawing board 1, conveniently goes out to carry. In order to prevent the card holder 22 from falling off from the sliding groove 25, two sides of the clamping part 23 can be provided with limiting strips, correspondingly, two side groove walls of the sliding groove 25 are inwards recessed to form limiting grooves, and the limiting strips are clamped in the limiting grooves to play a role in guiding and stabilizing the card holder 22 when sliding along the sliding groove 25.

In some embodiments, as shown in fig. 2, the bottom of the first telescopic rod 4 and the second telescopic rod 5 are both provided with a cone 26. When on the spot, can insert inside earth with cone 26 to make first,

second support frame

2, 3 more firm when fixed drawing board 1 height, improve support stability.

In some embodiments, as shown in fig. 1 and 2, the top of palette 1 is provided with a handle 27. When drawing on site, the worker can lift the handle 27 to bring the drawing device on site, so that the drawing board 1 is convenient to carry.

The working principle of one embodiment of the utility model is as follows: when the drawing device is needed, the first support frame 2 is adjusted, the first locking piece 11 is unscrewed, the first movable rod 9 can move along the extending direction of the first support leg 10, the first support leg 10 is pulled downwards, and the first locking piece 11 is screwed after the first support leg 10 is adjusted to a proper position; adjusting the second telescopic rod 5 according to the above operation; adjusting the second support frame 3 according to the above operation; rotating handle 8 drives lead screw 7 and extends forward, can be in the pivoted on cassette 22 with drawing board 1 jack-up to the application angle of adjustment drawing board 1 makes things convenient for the staff to draw, accomplishes the use.

The portable drawing device for civil engineering work of the present invention has been described in detail with reference to the preferred embodiments of the present invention, however, it is to be noted that those skilled in the art can make any modification, modification and variation on the above disclosure without departing from the spirit of the present invention. The utility model includes the specific embodiments described above and any equivalents thereof.

Claims

1. The utility model provides a portable drawing device for civil engineering, its characterized in that includes drawing board (1) and relative setting in first, second support frame (2, 3) of drawing board (1) both sides, wherein:

the first support frame (2) and the second support frame (3) have the same structure;

the first support frame (2) comprises a first telescopic rod (4), a second telescopic rod (5) and an angle adjusting mechanism, and the first telescopic rod (4) and the second telescopic rod (5) are rotatably connected; the drawing board (1) is rotatably connected with the first telescopic rod (4); the angle adjusting mechanism comprises a sleeve (6) and a screw rod (7), wherein the first end of the screw rod (7) is connected with the drawing board (1), and the second end of the screw rod extends into the sleeve (6) and can move in a reciprocating mode.

2. Portable drawing device for civil engineering according to claim 1, characterised in that said first telescopic rod (4) comprises a first movable rod (9) and a first support leg (10), said first movable rod (9) being inserted inside said first support leg (10) and locked by means of a first locking member (11).

3. The portable drawing device for civil engineering as in claim 2, wherein the first support leg (10) has a first threaded hole, and when the first telescopic rod (4) is locked, the first locking member (11) is screwed into the first threaded hole, and the end of the first locking member (11) abuts against the outer wall surface of the first movable rod (9).

4. The portable plotter for civil engineering according to claim 2, characterized in that said second telescopic rod (5) comprises a second movable rod (13) and a second supporting leg (14), said second movable rod (13) being inserted inside said second supporting leg (14) and being locked by a second locking member (15), said second locking member (15) being structurally identical to said first locking member (11).

5. The portable drawing device for civil engineering work according to claim 1, characterized in that the angle adjustment mechanism further comprises a turning handle (8), the turning handle (8) being rotatably connected with the sleeve (6); and a second threaded hole matched with the screw rod (7) is formed in the rotating handle (8), so that the rotating handle (8) is in threaded connection with the screw rod (7).

6. Portable drawing device for civil engineering as claimed in claim 5, characterised in that said first telescopic rod (4) is provided with a transverse fixed shaft (16); the sleeve (6) comprises a cross rod (17) and a longitudinal rod (18), and the cross rod (17) is connected with the fixed shaft (16); the rotating handle (8) is rotatably connected with one end of the longitudinal rod (18) back to the transverse rod (17).

7. The portable drawing device for civil engineering work according to claim 1, wherein the angle adjustment mechanism further comprises a clamp (22) for connecting the lead screw (7) and the drawing board (1); a sliding groove (25) is formed in the drawing board (1); the cartridge (22) comprises:

a clamping part (23) which is rotatably connected with the screw rod (7); and

and a sliding part (24) which is embedded in the sliding groove (25) and can reciprocate along the sliding groove (25).

8. Portable drawing device for civil engineering according to claim 1, characterised in that the bottom of the first telescopic rod (4) and of the second telescopic rod (5) are each provided with a cone (26).

9. Portable drawing device for civil engineering according to claim 1, characterised in that the drawing board (1) is provided with a handle (27) on top.