CN211207700U

CN211207700U - Drawing device for advanced teaching

Info

Publication number: CN211207700U
Application number: CN202020205518.XU
Authority: CN
Inventors: 张晓凤
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-08-07
Anticipated expiration: 2030-02-25

Abstract

The utility model discloses a drawing device that advanced teaching used, including fixing base and drawing board, be equipped with the cavity in the fixing base, the cavity internal rotation is connected with the screw rod, the fixed cup joints first gear on the screw rod, be equipped with the second gear with first gear engaged with in the cavity, the inner wall of second gear and cavity passes through the bull stick and rotates the connection, the inner wall and the fixedly connected with knob of cavity are run through to the one end of bull stick, the thread bush has been cup jointed to the interior bottom and the screw thread that the one end of screw rod runs through the cavity, one side fixedly connected with fixed block of thread bush, sliding plug is equipped with the guide arm on the fixed block, the one end of guide arm and the bottom fixed connection of fixing base. The utility model discloses in through many places adjustment mechanism's setting, make the device can carry out free regulation according to the in service behavior of reality to the result of use of device has been promoted.

Description

Drawing device for advanced teaching

Technical Field

The utility model relates to a teaching technical field especially relates to a drawing device that advanced teaching used.

Background

Mathematics is a subject of the concepts such as research quantity, structure, change, space and information, belongs to the form science from a certain angle, and we divide into elementary mathematics and advanced mathematics when studying mathematics, and in advanced mathematics teaching, mr will often draw straight line, perpendicular line, arc etc. on the blackboard, makes things convenient for the student to study fast space geometry through drawing the figure, needs to use drawing device.

However, the external structure of the existing drawing device is simple, and the angle cannot be adjusted according to actual use requirements, so that the use effect of the drawing device is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the drawing device external structure among the prior art comparatively simply, can't carry out the problem of angle modulation according to the use needs of reality, and the drawing device of advanced teaching usefulness that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the drawing device for advanced teaching comprises a fixed seat and a drawing board, wherein a cavity is arranged in the fixed seat, a screw rod is rotationally connected in the cavity, a first gear is fixedly sleeved on the screw rod, a second gear meshed with the first gear is arranged in the cavity, the second gear is rotationally connected with the inner wall of the cavity through a rotating rod, one end of the rotating rod penetrates through the inner wall of the cavity and is fixedly connected with a knob, one end of the screw rod penetrates through the inner bottom of the cavity and is in threaded sleeve connection with a threaded sleeve, a fixed block is fixedly connected to one side of the threaded sleeve, a guide rod is slidably inserted in the fixed block, one end of the guide rod is fixedly connected with the bottom of the fixed seat, a support rod is rotationally connected on the threaded sleeve through a rotating shaft, one end of the support rod, far away from the rotating shaft, is fixedly connected with the drawing board, and the bottom, the both ends of turn buckle rotate with drawing board and thread bush respectively and are connected.

Preferably, the one end of knob is connected with the arc kelly through round pin axle rotation, it is equipped with a plurality of draw-in grooves that correspond with the arc kelly to surround on the knob.

Preferably, the top of the drawing board is fixedly connected with a dust guard.

Preferably, a plurality of locking blocks are fixedly connected to the outer wall of the fixing seat, and locking ports are formed in the locking blocks.

Preferably, one end of the screw rod, which is positioned in the threaded sleeve, is fixedly connected with a limiting block.

Preferably, the pin shaft is sleeved with a torsion spring, and two ends of the torsion spring are respectively and fixedly connected with the arc-shaped clamping rod and the fixed seat.

Has the advantages that:

1. the fixing seat is fixed by the locking block, then the knob is rotated to drive the rotating rod to rotate, and meanwhile, the screw rod is driven to rotate through the meshing action between the first gear and the second gear, so that the threaded sleeve is driven to move up and down, the height of the drawing board is adjusted, then the turnbuckle is rotated, and the angle of the drawing board is adjusted;

2. the stopper can prevent effectively that the screw rod from droing in the thread bush simultaneously, and arc kelly can effectively fix the knob simultaneously, and torque spring can play certain elastic support to the arc kelly, and the dust guard can prevent that the dust from falling on the surface of drawing board.

Drawings

Fig. 1 is a schematic structural view of a drawing device for advanced teaching according to the present invention;

fig. 2 is a schematic structural view of a portion a of fig. 1.

In the figure: the device comprises a fixed seat 1, a drawing board 2, a screw rod 3, a first gear 4, a second gear 5, a rotating rod 6, a knob 7, a thread bushing 8, a fixed block 9, a guide rod 10, a rotating shaft 11, a support rod 12, a turnbuckle 13, a pin shaft 14, an arc clamping rod 15, a dust guard 16, a locking block 17 and a limiting block 18.

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.

Referring to fig. 1-2, a drawing device for advanced teaching comprises a fixed seat 1 and a drawing board 2, wherein a cavity is arranged in the fixed seat 1, a screw rod 3 is rotatably connected in the cavity and used for driving a thread bush 8 to move, a first gear 4 is fixedly sleeved on the screw rod 3 and used for driving the screw rod 3 to rotate, a second gear 5 meshed with the first gear 4 is arranged in the cavity and used for driving the first gear 4 to rotate, the second gear 5 is rotatably connected with the inner wall of the cavity through a rotating rod 6, and one end of the rotating rod 6 penetrates through the inner wall of the cavity and is fixedly connected with a knob 7 and used for driving the rotating rod 6 to rotate;

in this embodiment, the interior bottom and the screw thread that the cavity was run through to the one end of screw rod 3 have cup jointed thread bush 8, one side fixedly connected with fixed block 9 of thread bush 8, it is equipped with guide arm 10 to slide on the fixed block 9 to insert, prevent that thread bush 8 from rocking, the one end of guide arm 10 and the bottom fixed connection of fixing base 1, it is connected with bracing piece 12 to rotate through pivot 11 on the thread bush 8, bracing piece 12 keeps away from the one end and the 2 fixed connection of drawing board of pivot 11, the top of thread bush 8 is connected through basket screw 13 with drawing board 2, an angle for adjusting basket screw 13, basket screw 13's both ends rotate with drawing board 2 and thread bush 8 respectively and are connected.

In this embodiment, the one end of knob 7 is rotated through round pin axle 14 and is connected with arc kelly 15, it is equipped with a plurality of draw-in grooves that correspond with arc kelly 15 to surround on the knob 7, be used for fixed knob 7, the top fixedly connected with dust guard 16 of drawing board, prevent that the dust from falling on drawing board 2, a plurality of latch segments 17 of fixedly connected with on the outer wall of fixing base 1, be equipped with the locking notch on the latch segment 17, convenient fixed fixing base 1, the one end fixedly connected with stopper 18 that screw rod 3 is located thread bush 8, prevent that screw rod 3 from droing in the thread bush 8, the cover is equipped with torque spring on round pin axle 14, torque spring's both ends respectively with arc kelly 15 and fixing base 1 fixed connection, play certain torsion support to arc kelly 15.

In this embodiment, utilize latch segment 17 to fix fixing base 1 earlier, then rotate knob 7 and drive bull stick 6 and rotate, the meshing effect through between first gear and the 4 second gears 5 drives screw rod 3 and rotates simultaneously, thereby it reciprocates to drive thread bush 8, adjust the height of drawing board 2, then rotate basket of flowers screw 13, adjust the angle of drawing board 2, stopper 18 can prevent effectively that screw rod 3 from droing in the thread bush 8 simultaneously, arc kelly 15 can effectively fix knob 7 simultaneously, torque spring can play certain elastic support to arc kelly 15, dust guard 16 can prevent that the dust from falling on the surface of drawing board 2.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a drawing device that advanced teaching used, includes fixing base (1) and drawing board (2), its characterized in that: the improved structure is characterized in that a cavity is arranged in the fixing seat (1), a screw rod (3) is connected in the cavity in a rotating mode, a first gear (4) is fixedly sleeved on the screw rod (3), a second gear (5) meshed with the first gear (4) is arranged in the cavity, the second gear (5) and the inner wall of the cavity are connected in a rotating mode through a rotating rod (6), one end of the rotating rod (6) penetrates through the inner wall of the cavity and is fixedly connected with a knob (7), one end of the screw rod (3) penetrates through the inner bottom of the cavity and is in threaded connection with a threaded sleeve (8), a fixing block (9) is fixedly connected to one side of the threaded sleeve (8), a guide rod (10) is inserted on the fixing block (9) in a sliding mode, one end of the guide rod (10) is fixedly connected with the bottom of the fixing seat (1), and a support rod (12) is rotatably connected, one end of the support rod (12) far away from the rotating shaft (11) is fixedly connected with the drawing board (2), the bottom of the thread sleeve (8) is connected with the drawing board (2) through a turn buckle (13), and two ends of the turn buckle (13) are respectively connected with the drawing board (2) and the thread sleeve (8) in a rotating mode.

2. The drawing device for advanced education as set forth in claim 1, wherein: one end of the knob (7) is rotatably connected with an arc clamping rod (15) through a pin shaft (14), and a plurality of clamping grooves corresponding to the arc clamping rod (15) are arranged on the knob (7) in an encircling mode.

3. The graphics architecture of claim 2, wherein: the top of the drawing board (2) is fixedly connected with a dustproof board (16).

4. The drawing device for advanced education as set forth in claim 1, wherein: the outer wall of the fixing seat (1) is fixedly connected with a plurality of locking blocks (17), and locking ports are formed in the locking blocks (17).

5. The drawing device for advanced education as set forth in claim 1, wherein: and one end of the screw rod (3) positioned in the thread sleeve (8) is fixedly connected with a limiting block (18).

6. The graphics architecture of claim 2, wherein: the hinge pin (14) is sleeved with a torsion spring, and two ends of the torsion spring are fixedly connected with the arc-shaped clamping rod (15) and the fixed seat (1) respectively.