CN219500631U

CN219500631U - Fixed knot constructs and mechanical drawing device

Info

Publication number: CN219500631U
Application number: CN202320438524.3U
Authority: CN
Inventors: 周玉兰; 吴锦花
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-09
Filing date: 2023-03-09
Publication date: 2023-08-11
Anticipated expiration: 2033-03-09

Abstract

The utility model relates to the technical field of mechanical drawing devices, in particular to a fixing structure and a mechanical drawing device, comprising: the table top is provided with a sliding rail on the back surface, a roller is connected in the sliding rail in a sliding way, an L plate is fixed on the surface of the roller, a bolt is movably inserted on the surface of the L plate, a transverse pressing plate is fixed on the top end of the bolt, the transverse pressing plate is pressed on the table top, a longitudinal plate sliding rail is arranged on the transverse pressing plate, and a longitudinal pressing plate is movably inserted in the longitudinal plate sliding rail; the beneficial effects are as follows: the fixing structure and the mechanical drawing device are provided with a fixed L-shaped paper pressing plate, a movable transverse pressing plate and a movable longitudinal pressing plate, the bottom end and the right end of the drawing are firstly pressed in a paper pressing groove under the fixed paper pressing plate, and then the two movable pressing plates are adjusted to fix the drawing with different sizes.

Description

Fixed knot constructs and mechanical drawing device

Technical Field

The utility model relates to the technical field of mechanical drawing devices, in particular to a fixing structure and a mechanical drawing device.

Background

Mechanical drawing is a discipline in which the structural shape, size, working principle and technical requirements of a machine are exactly represented by a pattern. The design is composed of graphics, symbols, characters, numbers and the like, is a technical file for expressing design intent and manufacturing requirements and exchanging experience, is often called as language of engineering world, and although the rise of three-dimensional drawing software brings about a faster and simpler drawing mode for people at present, in many fields of industrial application, teaching and the like, mechanical drawing still has wide application scenes, a drawing device is needed, various drawing with different area sizes are needed for mechanical drawing, and the drawing is often carried after being curled for convenience in storage, so that the drawing is often fixed on a table surface by a fixing structure for convenience in drawing, and the drawing is conveniently drawn on the drawing.

In the prior art, the paperweight is usually placed on a drawing to fix paper, is also called paperweight, is usually a rectangular strip, and plays a good auxiliary role in writing and drawing from ancient times to date.

However, the paperweight is often fixed in length, and the drawing has multiple specifications, and the paperweight is big and the drawing is small, and the paperweight is easy to influence because of self weight and to roll down on the desktop of slope, and the drawing is big and the paperweight is small, then can't carry out fine fixing to the drawing of curling, consequently, the paperweight can't fix the drawing of equidimension not.

Disclosure of Invention

The utility model aims to provide a fixing structure and a mechanical drawing device, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a fixed knot constructs characterized in that: the fixing structure includes: the table top is provided with a sliding rail on the back surface, a roller is connected in the sliding rail in a sliding way, an L plate is fixed on the surface of the roller, a bolt is movably inserted on the surface of the L plate, a transverse pressing plate is fixed on the top end of the bolt, the transverse pressing plate is pressed on the table top, a longitudinal plate sliding rail is arranged on the transverse pressing plate, and a longitudinal pressing plate is movably inserted in the longitudinal plate sliding rail.

Preferably, the bottom end of the L plate is fixed with a bolt sleeve, the L plate is provided with a through hole, and the bolt penetrates through the through hole and is inserted into the bolt sleeve.

Preferably, a bolt cap is fixed at one end of the bolt inserted into the bolt sleeve, the bolt cap and the bolt form a T-shaped rod, the diameter of the bolt cap is larger than that of the spring and smaller than that of the inner wall of the bolt sleeve, and the bolt cap is movably connected in the bolt sleeve.

Preferably, the end of the bolt cap, which is fixed with the bolt, is also fixed with a spring, the spring is sleeved on the bolt, and the end of the spring, which is far away from the bolt cap, is fixed on the L plate.

Preferably, a handle is fixed on the transverse pressing plate.

Preferably, the front surface of the tabletop is fixed with a paper pressing plate which is in an L-shaped plate structure, and a paper pressing groove is formed between the paper pressing plate and the tabletop.

Preferably, a cross groove is formed in one end, far away from the L plate, of the roller, a rubber gasket is installed in the cross groove, and the rubber gasket protrudes out of the cross groove and abuts against the inner wall of the sliding rail.

Preferably, the back of the desktop is fixed on the drawing desk body.

Preferably, the bottom end of the longitudinal pressing plate is pressed in a paper pressing groove between the paper pressing plate and the tabletop.

A mechanical drawing device comprises a fixing structure

Compared with the prior art, the utility model has the beneficial effects that:

the fixing structure and the mechanical drawing device are provided with a fixed L-shaped paper pressing plate, a movable transverse pressing plate and a movable longitudinal pressing plate, the bottom end and the right end of the drawing are firstly pressed in a paper pressing groove under the fixed paper pressing plate, and then the two movable pressing plates are adjusted to fix the drawing with different sizes.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the back surface of the tabletop;

FIG. 3 is an enlarged schematic view of the structure shown in FIG. 2A;

FIG. 4 is a schematic view of the front surface of a table top

FIG. 5 is a schematic view of related structure of the transverse pressing plate;

fig. 6 is an enlarged schematic view of the structure at B in fig. 5.

In the figure: table top 1, paper pressing plate 2, slide rail 3, roller 4, L board 5, bolt 6, transverse pressing plate 7, handle 8, vertical pressing plate 9, bolt sleeve 10, bolt cap 11, vertical plate slide rail 12, spring 13, through hole 14, rubber gasket 15, drawing table body 16.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

Example 1

Referring to fig. 1 to 5, the present utility model provides a technical solution: a fixed knot constructs and mechanical drawing device, its characterized in that: the fixed knot constructs and mechanical drawing device includes: the novel desk comprises a desk top 1, wherein a sliding rail 3 is arranged on the back surface of the desk top 1, a roller 4 is connected in a sliding manner in the sliding rail 3, a plug pin 6 is movably inserted into the surface of an L plate 5,L plate 5 fixed on the surface of the roller 4, a transverse pressing plate 7 is fixed on the top end of the plug pin 6, a longitudinal plate sliding rail 12 is arranged on the transverse pressing plate 7, and a longitudinal pressing plate 9 is movably inserted into the longitudinal plate sliding rail 12.

Example two

On the basis of the first embodiment, in order to fix the bottom end and the right end edge of the drawing, the front surface of the tabletop 1 is fixed with a paper pressing plate 2, the paper pressing plate 2 is of an L-shaped plate structure, and a paper pressing groove is formed between the paper pressing plate 2 and the tabletop 1.

Example III

On the basis of the second embodiment, in order to realize fixing the top ends of drawings with different sizes, the back of the desktop 1 is provided with a sliding rail 3, the sliding rail 3 is in sliding connection with a roller 4, the surface of the roller 4 is fixedly provided with an L plate 5,L plate 5, the bottom end of the L plate 5 is fixedly provided with a bolt sleeve 10, a through hole 14 is formed in the L plate 5 in a penetrating manner, a bolt 6 is inserted into the bolt sleeve 10 in a penetrating manner, one end of the bolt 6, inserted into the bolt sleeve 10, is fixedly provided with a bolt cap 11, the bolt cap 11 and the bolt 6 form a T-shaped rod, the diameter of the bolt cap 11 is larger than the diameter of a spring 13 and is smaller than the diameter of the inner wall of the bolt sleeve 10, the bolt cap 11 is movably connected in the bolt sleeve 10, one end, fixed with the bolt 6, the spring 13 is sleeved on the bolt 6, one end, far away from the bolt cap 11, of the spring 13 is fixed on the L plate 5, the top end of the bolt 6 is fixedly provided with a transverse pressing plate 7, and the handle 8 is fixed on the transverse pressing plate 7.

Example IV

On the basis of the third embodiment, in order to fix the left ends of the drawings with different sizes, the transverse pressing plate 7 is provided with a longitudinal plate sliding rail 12, the longitudinal pressing plate 9 is movably inserted into the longitudinal plate sliding rail 12, and the bottom end of the longitudinal pressing plate 9 is pressed in a paper pressing groove between the paper pressing plate 2 and the tabletop 1.

Example five

On the basis of the fourth embodiment, in order to prevent the transverse pressing plate from sliding down, a cross groove is formed in one end of the roller 4, which is far away from the L plate 5, and a rubber gasket 15 is installed in the cross groove, and the rubber gasket 15 protrudes out of the cross groove and abuts against the inner wall of the sliding rail 3.

During actual use, firstly, the vertical pressing plate 9 is pulled out of the vertical plate sliding rail 12, then the bottom end and the right end edge of a drawing are pressed in a paper pressing groove between the table top 1 and the paper pressing plate 2, then the handle 8 is lifted by one hand, the horizontal pressing plate 7 is driven by the movement of the handle 8, the bolt 6 is driven by the movement of the horizontal pressing plate 7, the bolt 6 stretches out of the bolt sleeve 10 for a longer distance, the bolt 6 drives the bolt cap 11 to move towards the direction of the through hole 14, the spring 13 is compressed, the L plate 5 is held by the other hand after the horizontal pressing plate 7 is far away from the table top 1, then the handle 8 is slowly released, the bolt cap 11 moves towards the direction far away from the through hole 14 under the reset action of the spring 13, the bolt 6 stretches out of the through hole 14 until the horizontal pressing plate 7 abuts against the table top 1, meanwhile, the rubber gasket 15 arranged on the surface of the roller 4 stretches out of the inner wall of the table top edge of the drawing paper, the table top edge is limited between the table top 1 and the horizontal pressing plate 7, finally, the vertical pressing plate 9 is inserted into the vertical pressing plate 7 to be tightly pressed into the top end of the table top edge of the table top 1, the left pressing plate 9 is tightly pressed into the right end of the table top edge of the table top 1, and the paper pressing plate 1 is tightly pressed into the left end of the table top edge of the table top 1, and the paper pressing plate is fixed to the top edge of the table top 1, and the top edge is tightly pressed on the top edge of the top is fixed to the table top 1, and the top edge is fixed to the top edge of the top surface is opposite to the top surface, and is fixed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A fixed knot constructs characterized in that: the fixing structure includes: the novel table top comprises a table top body (1), wherein a sliding rail (3) is arranged on the back surface of the table top body (1), a roller (4) is connected in the sliding rail (3) in a sliding manner, an L plate (5) is fixed on the surface of the roller (4), a plug pin (6) is movably inserted on the surface of the L plate (5), a transverse pressing plate (7) is fixed on the top end of the plug pin (6), the transverse pressing plate (7) is pressed on the table top body (1), a longitudinal plate sliding rail (12) is arranged on the transverse pressing plate (7), and a longitudinal pressing plate (9) is movably inserted in the longitudinal plate sliding rail (12).

2. A fastening structure according to claim 1, wherein: the bottom end of the L plate (5) is fixed with a bolt sleeve (10), a through hole (14) is formed in the L plate (5), and the bolt (6) penetrates through the through hole (14) and is inserted into the bolt sleeve (10).

3. A fastening structure according to claim 2, wherein: one end of the bolt (6) inserted into the bolt sleeve (10) is fixed with a bolt cap (11), the bolt cap (11) and the bolt (6) form a T-shaped rod, the diameter of the bolt cap (11) is larger than that of the spring (13) and smaller than that of the inner wall of the bolt sleeve (10), and the bolt cap (11) is movably connected in the bolt sleeve (10).

4. A fastening structure according to claim 3, wherein: the bolt cap (11) is fixed with one end of bolt (6) and still is fixed with spring (13), and spring (13) cover is on bolt (6), and one end that spring (13) kept away from bolt cap (11) is fixed on L board (5).

5. A fastening structure according to claim 1, wherein: a handle (8) is fixed on the transverse pressing plate (7).

6. A fastening structure according to claim 1, wherein: the paper pressing board (2) is fixed on the front face of the tabletop (1), the paper pressing board (2) is of an L-shaped plate structure, and a paper pressing groove is formed between the paper pressing board (2) and the tabletop (1).

7. A fastening structure according to claim 1, wherein: the roller (4) is far away from one end of the L plate (5) and is provided with a cross groove, a rubber gasket (15) is arranged in the cross groove, and the rubber gasket (15) protrudes out of the cross groove and abuts against the inner wall of the sliding rail (3).

8. A fastening structure according to claim 1, wherein: the back of the desktop (1) is fixed on the drawing desk body (16).

9. A fastening structure according to claim 1, wherein: the bottom end of the vertical pressing plate (9) is pressed in a paper pressing groove between the paper pressing plate (2) and the tabletop (1).

10. A mechanical drawing device, characterized in that: a fixation structure comprising any one of the above claims 1-9.