CN216139737U

CN216139737U - Four-line grid marking assisting device

Info

Publication number: CN216139737U
Application number: CN202121988179.8U
Authority: CN
Inventors: 孟娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-03-29
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a four-line grid scribing assistor which comprises symmetrically arranged vertical rods, wherein a plurality of telescopic rod groups are arranged between the two vertical rods, each telescopic rod group is sleeved with a chalk fixing assembly, each chalk fixing assembly comprises a sliding sleeve, an elastic sheet and a clamping table, one end of each elastic sheet is fixedly arranged on the inner wall of the sliding sleeve, the other end of each elastic sheet is pressed against the corresponding telescopic rod group, and the clamping table is arranged on the sliding sleeve to clamp a chalk. The utility model discloses a four-wire check marking assistor, through placing the chalk on the centre gripping platform, the centre gripping platform carries out the clamping to the chalk to be located the connecting rod of centre gripping platform one side through the pulling, make the fixed subassembly of chalk drive the chalk and slide along telescopic link group and draw the frame line, telescopic link group and the flexible of support telescopic link make the length to the line segment of drawing adjustable, and telescopic link group and support telescopic link can accomodate, be provided with the sucking disc in one side of pole setting, the sucking disc can be fixed the device.

Description

Four-line grid marking assisting device

Technical Field

The utility model relates to the field of English teaching aids, in particular to a four-line grid lineation auxiliary device.

Background

The four-line grid is used for limiting the position and the size of an English letter in English writing, the four-line grid is composed of four parallel 4 straight lines with equal distances, the four-line grid is used for standardizing the frame lines of the letters in English teaching, and a teacher generally draws the four lines on a blackboard by using chalks and writes English in the four-line grid.

According to patent number CN201920896059.1, an english four-wire check scriber is disclosed, comprising a base plate, the sucking disc is installed to the lower terminal surface equidistance of bottom plate, the surface of bottom plate is equipped with the spout, the internally mounted of spout has the backup pad, the surface symmetry of backup pad is equipped with the slide opening, the internally mounted of spout has the slide bar, the surface of backup pad is equipped with the shifting chute, the screw thread post is installed to the inside equidistance of shifting chute, the surface of screw thread post is equipped with the circular slot, the inner wall of circular slot is equipped with the screw hole, the inside threaded connection stripper bar of screw hole.

Because the teacher can only draw each line manually when drawing the four-line grid to the blackboard, not only the line of drawing is not straight, and needs to spend more time, has influenced the teaching quality, has wasted some and has put into the teaching time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a four-line grid scribing assistor, wherein four straight and parallel straight lines can be drawn on a blackboard by pulling connecting rods connected to chalk fixing components through telescopic rods distributed in an array manner and the chalk fixing components arranged on the telescopic rods, a sucking disc is arranged on one side of the device, the device can be fixed, drawing time is greatly saved, and the quality is improved for English teaching.

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a four-wire check marking assistor, is including the pole setting that the symmetry set up, two be provided with a plurality of telescopic link group between the pole setting, the cover is equipped with the fixed subassembly of chalk on each telescopic link group, the fixed subassembly of chalk includes sliding sleeve, flexure strip and centre gripping platform, the one end fixed mounting of flexure strip supports to press on telescopic link group at the inner wall of sliding sleeve, the other end, the centre gripping platform sets up on the sliding sleeve with the centre gripping chalk.

Preferably, the sliding sleeve is sleeved on the telescopic rod and fixed on the telescopic rod group through the elastic sheet.

As preferred, the centre gripping platform includes fixed station, push rod, push pedal and spring, the fixed station is fixed to be set up between two sliding sleeves, the one end fixed mounting of push rod has the push pedal, and the push pedal is located inside the fixed station to order about the push pedal through the spring and support the push pedal and push away and draw close to fixed station opposite side inner wall.

Preferably, the supporting telescopic rods symmetrically distributed about the telescopic rod group are arranged between the vertical rods.

Preferably, the outer walls of one sides of the four clamping tables are fixedly provided with connecting rods.

Preferably, the outer walls of one sides of the two vertical rods are symmetrically provided with suckers.

Preferably, the telescopic rod group consists of two round telescopic rods, and the supporting telescopic rod consists of a rectangular telescopic rod.

In the technical scheme, the four-line grid scribing assistor provided by the utility model has the following beneficial effects: place the chalk in the centre gripping platform through the pulling push rod, with telescopic link group and support telescopic link tensile, and place the device on the blackboard, the sucking disc under the pole setting is fixed the device, through the pulling connecting rod, make the fixed subassembly of chalk on every telescopic link group slide on telescopic link group, every fixed subassembly of chalk drives the chalk and respectively draws the straight line along telescopic link group this moment, through taking off the device from the blackboard, and extrude the pole setting, make telescopic link group and support telescopic link shrink and accomodate.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a schematic diagram of an overall structure of a four-line grid according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a four-line grid according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a partial cross-sectional structure provided in an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a clamping table according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a four-line grid storage according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a fixing assembly according to an embodiment of the present invention.

Description of reference numerals:

1. erecting a rod; 2. a telescopic rod group; 3. a sliding sleeve; 4. a clamping table; 5. a connecting rod; 6. a suction cup; 7. supporting the telescopic rod; 8. an elastic sheet; 9. a chalk fixing component; 41. a fixed table; 42. a push rod; 43. pushing the plate; 44. a spring.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1-6, a four-line grid marking assistor comprises symmetrically arranged vertical rods 1, wherein a plurality of telescopic rod groups 2 are arranged between the two vertical rods 1, each telescopic rod group 2 is sleeved with a chalk fixing component 9, each chalk fixing component 9 comprises a sliding sleeve 3, an elastic sheet 8 and a clamping table 4, one end of each elastic sheet 8 is fixedly installed on the inner wall of the sliding sleeve 3, the other end of each elastic sheet abuts against the corresponding telescopic rod group 2, and the clamping table 4 is arranged on the sliding sleeve 3 to clamp a chalk. Place the chalk in centre gripping platform 4 through pulling push rod 42, it is tensile with telescopic link group 2 and support telescopic link 7, and place the device on the blackboard, sucking disc 6 under pole setting 1 is fixed the device, through pulling connecting rod 5, make the fixed subassembly 9 of chalk on every telescopic link group 2 slide on telescopic link group 2, every fixed subassembly 9 of chalk drives the chalk and respectively draws the straight line along telescopic link group 2 this moment, take off from the blackboard through the device, and extrude pole setting 1, make telescopic link group 2 and support telescopic link 7 shrink and accomodate.

As shown in fig. 1 and fig. 3, as a further technical solution provided by the present invention, the sliding sleeve 3 is sleeved on the telescopic rod and fixed on the outer wall of the telescopic rod set 2 through the elastic sheets 8 arranged axially symmetrically, one end of the elastic sheet 8 is fixed on the inner wall of the sliding sleeve 3, and the other end is pressed against the telescopic rod set 2, when the sliding sleeve 3 slides, since the telescopic rod of the telescopic rod set 2 becomes thinner gradually, in order to ensure the stability of the sliding sleeve 3 when sliding, the elastic sheet 8 is still pressed against the telescopic rod on the thinner telescopic rod, and when the sliding sleeve 3 slides again at the starting point, the elastic sheet 8 extrudes and stores the force.

Furthermore, the clamping table 4 on the chalk fixing assembly 9 comprises a fixing table 41, a push rod 42, a push plate 43 and a spring 44, the fixing table 41 is fixedly arranged between the two sliding sleeves 3, one end of the push rod 42 is fixedly provided with the push plate 43, the push plate 43 is positioned inside the fixing table 41, the spring 44 drives the push plate 43 to approach to the inner wall of the other side of the fixing table 41, chalk can be placed between the fixing table 41 and the push plate 43 by pulling the push rod 42, the push rod 42 is released again, and the spring 44 pushes the push plate 43 to fix the chalk.

Further, be provided with between the pole setting 1 about the telescopic link group 2 symmetric distribution's support telescopic link 7, the both ends of supporting telescopic link 7 are connected in pole setting 1, support telescopic link 7 and be used for reinforcing apparatus's stability, and the centre gripping platform 4 is four, has connecting rod 5 at the outer wall fixed mounting of the common one side of centre gripping platform 4, just can drive the fixed subassembly 9 of chalk simultaneously and slide along telescopic link group 2 through pulling connecting rod 5 and draw the frame line.

Furthermore, in order to ensure that the device can be stably placed on the blackboard, the outer walls of one sides of the two upright rods 1 are symmetrically provided with the suckers 6, and the suckers 6 can be adsorbed on the blackboard by pressing the upright rods 1.

As shown in fig. 5, the telescopic rod group 2 is composed of two circular telescopic rods, and the supporting telescopic rod 7 is composed of a rectangular telescopic rod in order to ensure the stability of the device structure.

The working principle is as follows: place the chalk between the centre gripping platform 4 through the push rod 42 on the pulling centre gripping platform 4, and loosen push rod 42, spring 44 promotes push pedal 43 and extrudes fixedly to the chalk, and expand telescopic link group 2 and support telescopic link 7 after, place in the blackboard, the sucking disc 6 of pole setting 1 one side is fixed the device, stimulate connecting rod 5 once more, connecting rod 5 drives the fixed subassembly 9 of chalk and follows the slide rail motion between the telescopic link group 2, so that the chalk draws four parallels on the blackboard, the straight line that the distance is equal, elastic sheet 8 in the sliding sleeve 3, make the fixed subassembly 9 of chalk extrude telescopic link group 2 when telescopic link group 2 slides, so that the fixed subassembly 9 of chalk remains stable, when needs are accomodate the device, take out the device from the blackboard, and extrude two pole settings 1, so that telescopic link group 2 and support telescopic link 7 shrink and accomodate.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims

1. The utility model provides a four-wire check assistor of ruling, its characterized in that, including pole setting (1) that the symmetry set up, two be provided with a plurality of telescopic link group (2) between pole setting (1), the cover is equipped with the fixed subassembly of chalk (9) on each telescopic link group (2), the fixed subassembly of chalk (9) are including sliding sleeve (3), flexure strip (8) and centre gripping platform (4), the one end fixed mounting of flexure strip (8) is supported and is pressed on telescopic link group (2) at the inner wall of sliding sleeve (3), the other end, centre gripping platform (4) set up on sliding sleeve (3) with the centre gripping chalk.

2. A four-line grid marking aid as claimed in claim 1, wherein said sliding sleeve (3) is sleeved on the telescopic rod and fixed to said telescopic rod set (2) by means of elastic pieces (8).

3. The four-line grid scribing assistor as claimed in claim 1, wherein the clamping table (4) comprises a fixing table (41), a push rod (42), a push plate (43) and a spring (44), the fixing table (41) is fixedly arranged between the two sliding sleeves (3), the push plate (43) is fixedly mounted at one end of the push rod (42), the push plate (43) is located inside the fixing table (41), and the spring (44) drives the push plate (43) to push against the inner wall of the other side of the fixing table (41) to be close.

4. A four-wire grid scribing aid according to claim 1, characterized in that supporting telescopic rods (7) are arranged between said uprights (1) symmetrically distributed with respect to the telescopic rod group (2).

5. A four-line grid scribing aid as claimed in claim 1, wherein the outer walls of one side of each of the four clamping tables (4) are fixedly provided with connecting rods (5).

6. A four-line grid scribing aid as claimed in claim 1, wherein the outer wall of one side of two said uprights (1) is symmetrically provided with suction cups (6).

7. A four-line grid scribing aid according to claim 4, wherein said set of telescopic bars (2) consists of two circular telescopic bars and said supporting telescopic bar (7) consists of a rectangular telescopic bar.