CN212088646U

CN212088646U - Angle adjusting device of rack for mapping design drawing

Info

Publication number: CN212088646U
Application number: CN202020582171.0U
Authority: CN
Inventors: 林小妹
Original assignee: Fujian Yida Engineering Survey Design And Research Institute Co ltd
Current assignee: Zhongyi Tongda Design Consulting Group Co.,Ltd.
Priority date: 2020-04-19
Filing date: 2020-04-19
Publication date: 2020-12-08
Anticipated expiration: 2030-04-19

Abstract

The utility model discloses an angle adjusting device of rack for mapping design drawing, including unable adjustment base, support frame, regulation pole, gear, first pivot, second pivot and drawing board, unable adjustment base upper end fixedly connected with a pair of support frame, all run through on the support frame and seted up a perforation, the equal sliding connection in perforation has a regulation pole, the equal fixedly connected with of regulation pole lower extreme connects the tooth, the utility model discloses a regulation pole flexible of drawing board lower extreme makes the drawing board upper end slide from top to bottom between two support frames, has realized the regulation to the drawing board angle, easy operation, and the practicality is high; the back drawing board is adjusted and is supported fixedly through upper and lower both ends, has avoided the unstable problem when leading to the drawing board drawing from middle part rotation support is fixed, makes the drawing board can not take place the condition of shake at the drawing in-process, makes the drawing more accurate.

Description

Angle adjusting device of rack for mapping design drawing

Technical Field

The utility model relates to an angle adjusting device, in particular to angle adjusting device of rack for mapping design drawing belongs to drawing design auxiliary assembly technical field.

Background

The drawing placing rack is an auxiliary tool for fixing a drawing and keeping the stability of the drawing in the drawing design drawing process, and different sizes of placing racks can be selected according to the size of the drawing.

In the drawing process, often can carry out angle modulation to the drawing support frame owing to observation angle and drawing custom, however current rack is all fixed through rotatory then extrusion at the drawing board middle part to the regulation of angle, and because both ends do not have the strong point about the drawing board in the drawing process, lead to drawing in-process drawing board can take place the shake, degree of accuracy when having influenced the drawing.

SUMMERY OF THE UTILITY MODEL

The utility model provides an angle adjusting device of rack for mapping design drawing has effectively solved the problem that exists among the prior art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to an angle adjusting device of a rack for mapping design drawings, which comprises a fixed base, a supporting frame, an adjusting rod, a gear, a first rotating shaft, a second rotating shaft and a drawing board, wherein a pair of supporting frames are fixedly connected at the upper end of the fixed base, a perforation is arranged on the supporting frame in a penetrating way, the inner part of the perforation is connected with an adjusting rod in a sliding way, the lower end of the adjusting rod is connected with a connecting tooth in a connecting way, a mounting groove is arranged on the inner wall of the lower end of the perforation, a fixed rotating shaft is fixedly connected in the mounting groove, a gear is rotatably sleeved at the outer side of the fixed rotating shaft, the gear is engaged and connected with the corresponding connecting tooth, a first rotating shaft is fixedly connected between the ends of the adjusting rods positioned outside the supporting frames, a first rotating roller is rotatably sleeved at the outer side of the first, two sliding connection has a second pivot between the spout, the second pivot outside is rotated and is cup jointed a second and change the roller, first change roller and second change fixedly connected with drawing board between the roller.

As a preferred technical scheme of the utility model, the equal fixedly connected with auto-lock universal wheel in unable adjustment base lower extreme four corners.

As a preferred technical scheme of the utility model, mounting groove one side inner wall all runs through and has seted up a fixed orifices, the inside equal sliding connection of fixed orifices has a guide block, the guide block is close to a kelly of the equal fixedly connected with in one side of gear, the kelly is kept away from the one end of guide block and all extends to the inside and corresponding gear joint of mounting groove that corresponds.

As a preferred technical scheme of the utility model, the kelly outside all is equipped with a connecting spring, the equal fixed connection of connecting spring one end is on one side that the guide block is close to the gear, the equal fixed connection of the connecting spring other end is on the inner wall of fixed orifices.

As an optimal technical scheme of the utility model, two one side that the kelly was kept away from to the guide block extends to the outside and gangbar of common fixedly connected with of support frame, the gangbar is located the drawing board below.

As the utility model discloses a preferred technical scheme, the drawing board is the metal material, it has four fixed magnetic stripes to adsorb on the drawing board.

The utility model discloses the beneficial effect who reaches is:

1. the upper end of the drawing board slides up and down between the two support frames through the extension and contraction of the adjusting rod at the lower end of the drawing board, so that the angle of the drawing board is adjusted, the operation is simple, and the practicability is good;

2. the back drawing board is adjusted and is supported fixedly through upper and lower both ends, has avoided the unstable problem when leading to the drawing board drawing from middle part rotation support is fixed, makes the drawing board can not take place the condition of shake at the drawing in-process, makes the drawing more accurate.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a side cut-away view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is an enlarged view of a portion a of fig. 1 according to the present invention.

In the figure: 1. a fixed base; 2. a support frame; 3. perforating; 4. adjusting a rod; 5. a connecting tooth; 6. mounting grooves; 7. fixing the rotating shaft; 8. a gear; 9. a first rotating shaft; 10. a first rotating roller; 11. a chute; 12. a second rotating shaft; 13. a second rotating roller; 14. a drawing board; 15. a fixing hole; 16. a guide block; 17. a clamping rod; 18. a connecting spring; 19. a linkage rod; 20. fixing the magnetic strip; 21. self-locking universal wheel.

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.

Example (b): as shown in FIGS. 1-3, the angle adjusting device of the rack for mapping and drawing of design drawing of the utility model comprises a fixed base 1, a supporting frame 2, an adjusting rod 4, a gear 8, a first rotating shaft 9, a second rotating shaft 12 and a drawing board 14, wherein the upper end of the fixed base 1 is fixedly connected with a pair of supporting frames 2, the supporting frames 2 are all provided with a perforation 3 in a penetrating way, the inside of the perforation 3 is all connected with an adjusting rod 4 in a sliding way, the lower end of the adjusting rod 4 is all fixedly connected with a connecting tooth 5, the inner wall of the lower end of the perforation 3 is all provided with a mounting groove 6, the inside of the mounting groove 6 is all fixedly connected with a fixed rotating shaft 7, the outside of the fixed rotating shaft 7 is all rotatably sleeved with a gear 8, the gear 8 is all engaged with the corresponding connecting tooth 5, a first rotating shaft 9 is fixedly connected between the ends of the two, a spout 11 has all been seted up to 2 relative one sides of two support frames, and sliding connection has a second pivot 12 between two spouts 11, and the second pivot 12 outside is rotated and is cup jointed a second and change roller 13, and first roller 10 and second change fixedly connected with drawing board 14 between the roller 13.

Four corners of the lower end of the fixed base 1 are fixedly connected with a self-locking universal wheel 21, so that the whole placing rack can be moved conveniently, the drawing board 14 is made of metal, four fixed magnetic stripes 20 are adsorbed on the drawing board 14, paper can be fixed on the drawing board 14 through adsorption of the fixed magnetic stripes 20, the paper is prevented from falling off when the angle is adjusted, a fixing hole 15 is formed in the inner wall of one side of the mounting groove 6, a guide block 16 is connected in the fixing hole 15 in a sliding mode, one side, close to the gear 8, of the guide block 16 is fixedly connected with a clamping rod 17, one end, far away from the guide block 16, of the clamping rod 17 extends into the corresponding mounting groove 6 to be clamped with the corresponding gear 8, the clamping rod 17 is clamped on the gear 8 to prevent the drawing board 14 from continuously rotating after the adjustment is completed, a connecting spring 18 is sleeved on the outer side of the clamping rod 17, one end, the other end of the connecting spring 18 is fixedly connected to the inner wall of the fixing hole 15, the connecting spring 18 can enable the clamping rod 17 to automatically rebound to clamp the gear 8, one side, far away from the clamping rod 17, of each of the two guide blocks 16 extends to the outside of the support frame 2 and is fixedly connected with a linkage rod 19, the linkage rod 19 is located below the drawing board 14, the two guide blocks 16 can slide simultaneously by pulling the linkage rod 19, and the drawing board 14 angle adjusting device is convenient to use.

Specifically, when the utility model is used, firstly, one hand pulls the linkage rod 19 to drive the two guide blocks 16 to slide outwards simultaneously, so that the two clamping rods 17 slide outwards simultaneously and are disconnected with the two gears 8, meanwhile, the two guide blocks 16 pull the two connecting springs 18 to be stretched, and then the adjusting rod 4 at the lower end of the drawing board 14 is pushed and pulled by the other hand, so that the lower end of the drawing board 14 moves back and forth, the second rotating shaft 12 at the upper end of the drawing board 14 moves up and down through the two sliding grooves 11, and when the drawing board 14 is adjusted to a proper angle, the linkage rod 19 is loosened, so that the two guide blocks 16 move towards the direction close to the two gears 8 under the action of the tensile force of the two connecting springs 18, the two clamping rods 17 are driven to clamp the two gears 8, the two gears 8 are fixed, the two adjusting rods 4 are fixed inside the two through holes 3, and finally the fixing and angle adjustment of the drawing board 14 are realized.

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

1. An angle adjusting device of a placing rack for mapping and drawing design drawings is characterized by comprising a fixed base (1), supporting frames (2), adjusting rods (4), gears (8), a first rotating shaft (9), a second rotating shaft (12) and a drawing board (14), wherein the upper end of the fixed base (1) is fixedly connected with a pair of supporting frames (2), the supporting frames (2) are respectively provided with a perforation (3) in a penetrating way, the insides of the perforations (3) are respectively and slidably connected with one adjusting rod (4), the lower ends of the adjusting rods (4) are respectively and fixedly connected with connecting teeth (5), the inner walls of the lower ends of the perforations (3) are respectively provided with a mounting groove (6), the insides of the mounting grooves (6) are respectively and fixedly connected with one fixed rotating shaft (7), the outer sides of the fixed rotating shafts (7) are respectively and rotatably sleeved with one gear (8), and the gears (8) are respectively, two adjust pole (4) and be located fixedly connected with a first pivot (9) between the outer one end of support frame (2), first pivot (9) outside is rotated and has been cup jointed a first roller (10), two one spout (11), two have all been seted up to one side that support frame (2) are relative sliding connection has a second pivot (12) between spout (11), second pivot (12) outside is rotated and has been cup jointed a second and change roller (13), first roller (10) and second are changeed drawing board (14) of fixedly connected with between roller (13).

2. The angle adjusting device of the placing rack for the surveying and mapping design drawing according to claim 1, wherein a fixing hole (15) is formed in an inner wall of one side of the mounting groove (6) in a penetrating manner, a guide block (16) is connected inside the fixing hole (15) in a sliding manner, a clamping rod (17) is fixedly connected to one side, close to the gear (8), of the guide block (16), and one end, far away from the guide block (16), of the clamping rod (17) extends to the corresponding mounting groove (6) in a clamping manner and is connected with the corresponding gear (8).

3. The angle adjusting device of the placing rack for the mapping design drawing as claimed in claim 2, wherein a connecting spring (18) is sleeved on each of the outer sides of the clamping rods (17), one end of each connecting spring (18) is fixedly connected to one side, close to the gear (8), of the guide block (16), and the other end of each connecting spring (18) is fixedly connected to the inner wall of the corresponding fixing hole (15).

4. The angle adjusting device of the placing rack for the mapping design drawing as claimed in claim 3, wherein one side of the two guide blocks (16) far away from the clamping rod (17) extends to the outside of the supporting frame (2) and is fixedly connected with a linkage rod (19), and the linkage rod (19) is located below the drawing board (14).

5. The angle adjusting device of the placing rack for the mapping design drawing according to claim 1, wherein the drawing board (14) is made of metal, and four fixed magnetic stripes (20) are adsorbed on the drawing board (14).

6. The angle adjusting device of the placing rack for mapping design drawings as claimed in claim 1, characterized in that four corners of the lower end of the fixing base (1) are fixedly connected with a self-locking universal wheel (21).