CN218140801U

CN218140801U - Portable telescopic drawing tool

Info

Publication number: CN218140801U
Application number: CN202222450756.9U
Authority: CN
Inventors: 张晓方
Original assignee: Zhengzhou Art Kindergarten Normal School
Current assignee: Zhengzhou Art Kindergarten Normal School
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2022-12-27
Anticipated expiration: 2032-09-16

Abstract

The utility model provides a portable telescopic drawing tool, belonging to the technical field of infant teaching, aiming at solving the problems that the rotating angle of the prior movable angle square is difficult to accurately show the specific angle, and the accurate angle is easy to be recognized by infants; the rotating shaft is rotatably connected to the left side of the bottom ruler; the angle ruler is rotationally connected to the front side of the rotating shaft; the fastening knob is coaxially and fixedly connected to the front end face of the rotating shaft; the fastening chuck is in threaded connection with the rear side of the rotating shaft; the angle display mechanism is arranged on the bottom ruler; the telescopic dismounting mechanism is arranged on the bottom ruler and the angle ruler. Through adopting angle display mechanism, realize the angle value of the angle regulation that shows, through adopting flexible disassembly body, realize the telescopic ruler from the dismantlement on bottom chi and the angle ruler, the telescopic ruler of being convenient for install and dismantle.

Description

Portable telescopic drawing tool

Technical Field

The utility model belongs to the technical field of infant's teaching, more specifically say, in particular to telescopic drawing tool convenient to carry.

Background

In order to ensure that the infants have basic life general knowledge and knowledge, the infants need to be taught, education activities such as language and mathematics need to be learned during the teaching, and teachers need to use an active angle square drawing tool to adjust the angle to assist the infants in knowing the angle during the mathematical education.

According to CN201510314859.4, the invention relates to a measuring ruler, in particular to a portable angle ruler. It includes the main scale, the graduated scale that has the scale, vice chi, the main scale includes first base chi and second base chi, the one end of first base chi and second base chi is articulated, the articulated one end that has the graduated scale on the first base chi, vice chi is equipped with on the second base chi, the spout that the other end of graduated scale passed vice chi and with spout sliding fit, first base chi, second base chi and graduated scale constitute the isosceles triangle structure, the base of graduated scale conduct isosceles triangle structure. Compared with the prior art, the invention has the following advantages: convenient to carry and use, collapsible, measurement angle is accurate, and measuring size range is big, can direct reading data, low in manufacturing cost.

Based on the aforesaid, current activity angle square shows the angle through two sets of ruler revolution mechanic, and the angle that two sets of rulers are rotatory is difficult to the accurate specific angle that demonstrates, knows the accurate angle of accuracy to the infant easily and has the deviation, because two sets of ruler length restrictions, is difficult to draw the angle line of longer angle, influences the quality of drawing.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a portable retractable drawing tool is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a telescopic graphics primitive convenient to carry to solve current activity angle square and show the angle through two sets of ruler revolution mechanic, the rotatory angle of two sets of rulers is difficult to the accuracy and shows specific angle, knows the accurate angle of accuracy to the infant easily and has the deviation, because two sets of ruler length limits, is difficult to draw the angle line of longer angle, influences the problem of the quality of drawing.

The utility model discloses telescopic drawing tool's convenient to carry purpose and efficiency are reached by following concrete technical means:

the portable telescopic drawing tool comprises a bottom ruler, an angle ruler, a rotating shaft, a fastening knob, a fastening chuck, an angle display mechanism and a telescopic dismounting mechanism; the rotating shaft is rotatably connected to the left side of the bottom ruler; the angle ruler is rotationally connected to the front side of the rotating shaft; the fastening knob is coaxially and fixedly connected to the front end face of the rotating shaft; the fastening chuck is in threaded connection with the rear side of the rotating shaft; the angle display mechanism is arranged on the bottom ruler; the telescopic disassembling mechanisms are arranged in two groups, and the two groups of telescopic disassembling mechanisms are respectively arranged on the bottom ruler and the angle ruler.

Further, the angle display mechanism comprises: a numerical disc and an angle index needle; the numerical value disc is fixedly connected to the left side of the bottom ruler; the angle index needle is fixedly connected to the middle position of the left side of the front end face of the angle ruler.

Further, the telescopic dismounting mechanism comprises: the telescopic slide rail A, the telescopic limiting shaft B and the telescopic ruler are arranged on the telescopic slide rail A; the telescopic slide rail A is arranged in the middle of the bottom ruler and the angle ruler; the telescopic ruler is positioned on the right side of the bottom ruler; the telescopic limiting shaft B is fixedly connected to the inner side of the telescopic ruler and slides inside the telescopic sliding rail A.

Further, the telescopic dismounting mechanism further comprises: a telescopic slide rail B and a telescopic limiting shaft A; the telescopic sliding rail B is arranged in the middle of the telescopic ruler; the telescopic limiting shaft A is fixedly connected to the inner sides of the bottom ruler and the angle ruler.

Further, the telescopic dismounting mechanism further comprises: the telescopic clamping groove, the dismounting clamping block and the dismounting clamping head are arranged; the telescopic clamping grooves are arranged in two groups, and the two groups of telescopic clamping grooves are respectively formed in the outer sides of the telescopic limiting shaft B and the telescopic limiting shaft A; the two groups of disassembly chucks are respectively connected in the two groups of telescopic clamping grooves in an inserting manner; the disassembling clamping blocks are arranged in two groups, and the two groups of disassembling clamping blocks are fixedly connected to the outer sides of the two groups of disassembling clamping heads respectively.

Further, the telescopic disassembling mechanism further comprises: disassembling the slot; the disassembling slots are provided with two groups, and the two groups of disassembling slots are arranged outside the two groups of disassembling clamping blocks.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in use, wrench movement fastening knob rotates and drives rotatory pivot and rotate inside the fastening chuck, breaks the bevel protractor off with the fingers and thumb and rotates and drive the rotation of angle index needle, and the angle value on the angle index needle rotation indication numerical scale realizes showing angle regulation's numerical value.

The utility model discloses in use, break the telescopic ruler off with the fingers and thumb and slide and drive flexible spacing axle B and slide in telescopic slide rail A is inside, break the telescopic ruler off with the fingers and thumb and slide and drive flexible spacing axle A and slide at telescopic slide rail B, restriction telescopic ruler slip angle, the use tool inserts dismantles the slot wrench movement and will dismantle the fixture block rotation, dismantles the fixture block and rotates and drive the dismantlement dop and insert the inside ninety fixed fixture block of dismantling of degree of telescopic draw-in groove, realizes the installation of telescopic ruler and dismantles and the slip of telescopic ruler.

The utility model discloses an adopt angle display mechanism, realize adjusting angle chi and drive numerical value on the angle index needle instruction numerical value dish, the angle value of the angle regulation of demonstration, guarantee that mr can more accurately discern the concrete shape of various angles when teaching infant's angle, improve the accuracy of angle modulation, through adopting flexible disassembly body, the realization slides at flexible slide rail A and flexible slide rail B respectively through flexible spacing axle A and flexible spacing axle B and guarantees that two sets of telescopic rules slide on bottom chi and angle chi simultaneously and carry out the angle spacing, reduce the drawing tool volume, and convenient to carry will dismantle the fixture block and rotate ninety degrees and dismantle the fixture block from the telescopic rule, realize the dismantlement of telescopic rule from bottom chi and angle chi, convenient to install and dismantle the telescopic rule, guarantee the later maintenance and the maintenance of drawing tool.

Drawings

Fig. 1 is a front view of the drawing tool of the present invention.

Fig. 2 is a schematic structural diagram of the drawing tool of the present invention.

Fig. 3 is a schematic structural diagram of the angle display mechanism of the present invention.

Fig. 4 is a schematic structural view of the telescopic dismounting mechanism of the present invention.

Fig. 5 is a partially enlarged structural schematic diagram of a portion a in fig. 4 according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a bottom ruler; 101. a numerical disc; 2. an angle ruler; 201. an angle index needle; 3. rotating the rotating shaft; 301. fastening a knob; 4. fastening the chuck; 5. a telescopic slide rail A; 6. a telescopic ruler; 7. a telescopic slide rail B; 8. a telescopic limit shaft B; 801. a telescopic clamping groove; 9. a telescopic limit shaft A; 10. disassembling the clamping block; 1001. disassembling the chuck; 1002. and disassembling the slot.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Example (b):

as shown in figures 1 to 5:

the utility model provides a portable telescopic drawing tool, which comprises a bottom ruler 1, an angle ruler 2, a rotary shaft 3, a fastening knob 301, a fastening chuck 4, an angle display mechanism and a telescopic dismounting mechanism; the rotating shaft 3 is rotatably connected to the left side of the bottom ruler 1; the angle ruler 2 is rotationally connected to the front side of the rotating shaft 3; the fastening knob 301 is coaxially and fixedly connected to the front end face of the rotating shaft 3; the fastening chuck 4 is connected with the rear side of the rotating shaft 3 through threads; the angle display mechanism is arranged on the bottom ruler 1; the telescopic disassembling mechanisms are arranged in two groups, and the two groups of telescopic disassembling mechanisms are respectively arranged on the bottom ruler 1 and the angle ruler 2.

Wherein, angle display mechanism includes: a numerical dial 101 and an angle index needle 201; the numerical disc 101 is fixedly connected to the left side of the bottom ruler 1; the angle index needle 201 is fixedly connected to the middle position of the left side of the front end face of the angle ruler 2, in the using process, the fastening knob 301 is twisted to rotate to drive the rotating shaft 3 to rotate inside the fastening chuck 4, the angle ruler 2 is broken to rotate to drive the angle index needle 201 to rotate, and the angle index needle 201 rotates to indicate the angle value on the numerical value disc 101.

Wherein, flexible disassembly body is including: the telescopic slide rail A5, the telescopic limiting shaft B8 and the telescopic ruler 6 are arranged on the frame; the telescopic slide rail A5 is arranged between the bottom ruler 1 and the angle ruler 2; the telescopic ruler 6 is positioned on the right side of the bottom ruler 1; the telescopic limiting shaft B8 is fixedly connected to the inner side of the telescopic ruler 6, the telescopic limiting shaft B8 slides inside the telescopic slide rail A5, and in the using process, the telescopic ruler 6 is pulled to slide to drive the telescopic limiting shaft B8 to slide inside the telescopic slide rail A5.

Wherein, flexible disassembly body is still including: a telescopic slide rail B7 and a telescopic limit shaft A9; the telescopic sliding rail B7 is arranged in the middle of the telescopic ruler 6; the telescopic limiting shaft A9 is fixedly connected to the inner sides of the bottom ruler 1 and the angle ruler 2, and in the using process, the telescopic ruler 6 is pulled to slide to drive the telescopic limiting shaft A9 to slide on the telescopic sliding rail B7, so that the sliding angle of the telescopic ruler 6 is limited.

Wherein, flexible disassembly body is still including: the telescopic clamping groove 801, the dismounting clamping block 10 and the dismounting clamping head 1001; the two groups of telescopic clamping grooves 801 are arranged, and the two groups of telescopic clamping grooves 801 are respectively arranged on the outer sides of the telescopic limiting shaft B8 and the telescopic limiting shaft A9; the two disassembly chucks 1001 are provided with two groups, and the two disassembly chucks 1001 are respectively connected to the inside of the two groups of telescopic clamping grooves 801 in an inserting manner; the disassembling clamping blocks 10 are arranged in two groups, the two groups of disassembling clamping blocks 10 are respectively and fixedly connected to the outer sides of the two groups of disassembling clamping heads 1001, and in the using process, the disassembling clamping blocks 10 drive the disassembling clamping heads 1001 to be inserted into the telescopic clamping grooves 801 and rotate for ninety degrees to fix the disassembling clamping blocks 10.

Wherein, flexible disassembly body is still including: the slot 1002 is disassembled; the two groups of disassembling slots 1002 are arranged, the two groups of disassembling slots 1002 are arranged outside the two groups of disassembling clamping blocks 10, and in the using process, a tool is inserted into the disassembling slots 1002 to twist to fix the disassembling clamping blocks 10 inside the telescopic clamping grooves 801.

The specific use mode and function of the embodiment are as follows:

in the use, wrench movement fastening knob 301 rotates and drives rotatory pivot 3 and rotate in fastening chuck 4 is inside, wrestling 2 angles of the bevel protractor and rotates and drive angle index needle 201 and rotate, angle index needle 201 rotates the angle value on the instruction numerical value dish 101, wrestling 6 slides and drives flexible spacing axle B8 and slide in flexible slide rail A5 is inside, wrestling 6 slides and drives flexible spacing axle A9 and slide in flexible slide rail B7, restriction flexible chi 6 slides the angle, use tools insert dismantle slot 1002 wrench movement will dismantle fixture block 10 and rotate, dismantle fixture block 10 and rotate and drive dismantlement dop 1001 and insert the inside fixed fixture block 10 that dismantles that rotates of flexible draw-in groove 801, realize the installation and dismantle telescopic chi 6.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. Portable telescopic drawing tool, its characterized in that: comprises a bottom ruler (1), an angle ruler (2), a rotating shaft (3), a fastening knob (301), a fastening chuck (4), an angle display mechanism and a telescopic dismounting mechanism; the rotating shaft (3) is rotatably connected to the left side of the bottom ruler (1); the angle ruler (2) is rotatably connected to the front side of the rotating shaft (3); the fastening knob (301) is coaxially and fixedly connected to the front end face of the rotating shaft (3); the fastening chuck (4) is in threaded connection with the rear side of the rotating shaft (3); the angle display mechanism is arranged on the bottom ruler (1); the telescopic disassembling mechanisms are arranged in two groups, and the two groups of telescopic disassembling mechanisms are respectively arranged on the bottom ruler (1) and the angle ruler (2).

2. The portable retractable drawing instrument of claim 1, wherein: the angle display mechanism comprises: a numerical disc (101) and an angular index needle (201); the numerical value disc (101) is fixedly connected to the left side of the bottom ruler (1); the angle index needle (201) is fixedly connected to the middle position of the left side of the front end face of the angle ruler (2).

3. The portable retractable drawing instrument of claim 1, wherein: the telescopic dismounting mechanism comprises: a telescopic slide rail A (5), a telescopic limit shaft B (8) and a telescopic ruler (6); the telescopic slide rail A (5) is arranged in the middle of the bottom ruler (1) and the angle ruler (2); the telescopic ruler (6) is positioned on the right side of the bottom ruler (1); the telescopic limiting shaft B (8) is fixedly connected to the inner side of the telescopic ruler (6), and the telescopic limiting shaft B (8) slides inside the telescopic sliding rail A (5).

4. The portable retractable drawing instrument of claim 3, wherein: the telescopic dismounting mechanism further comprises: a telescopic slide rail B (7) and a telescopic limit shaft A (9); the telescopic sliding rail B (7) is arranged in the middle of the telescopic ruler (6); the telescopic limiting shaft A (9) is fixedly connected to the inner sides of the bottom ruler (1) and the angle ruler (2).

5. The portable retractable drawing instrument of claim 4, wherein: the telescopic dismounting mechanism further comprises: the telescopic clamping groove (801), the dismounting clamping block (10) and the dismounting clamping head (1001); the telescopic clamping grooves (801) are arranged in two groups, and the two groups of telescopic clamping grooves (801) are respectively arranged on the outer sides of the telescopic limiting shaft B (8) and the telescopic limiting shaft A (9); the disassembly chucks (1001) are provided with two groups, and the two groups of disassembly chucks (1001) are respectively spliced and connected in the two groups of telescopic clamping grooves (801); the disassembling clamping blocks (10) are arranged in two groups, and the two groups of disassembling clamping blocks (10) are fixedly connected to the outer sides of the two groups of disassembling clamping heads (1001) respectively.

6. The portable retractable drawing instrument of claim 5, wherein: the telescopic dismounting mechanism further comprises: disassembling the slot (1002); the disassembling slots (1002) are arranged in two groups, and the two groups of disassembling slots (1002) are arranged on the outer sides of the two groups of disassembling clamping blocks (10).