CN209700224U - A kind of primary school mathematics bow pen - Google Patents

Abstract

The utility model relates to primary school mathematics technical fields, and disclose a kind of primary school mathematics bow pen, including penholder, the top slide of the penholder is connected with press head, and the outer surface of the penholder is fixed with fixing clamp, the bottom of the penholder is fixed with nib, the lower section that the outer surface of the penholder is located at the fixing clamp is fixed with cylinder set at the nib, the outer surface of the cylinder set, which is symmetrically welded, is fixed with the first link block, and the outer surface of cylinder set is rotatably connected to cross bar by two first link blocks；By being respectively and fixedly provided with the second link block in the bottom of two vertical bars, and the inner rotation of two the second link blocks is connected with pulley, the least significant end of two pulleys and the least significant end of nib are located in same level, when carrying out scribing operation, cooperation ruler is not needed, lines can also be drawn directly, while avoiding when cooperating ruler, it is easy to draw lines into oblique situation generation, convenient for the use of pupil.

Description

A kind of primary school mathematics bow pen

Technical field

The utility model relates to primary school mathematics technical field, specially a kind of primary school mathematics bow pen.

Background technique

Primary school mathematics include simple geometry and arithmetic, and pupil when learning geometry generally requires which kind of is used Tool draws out simple geometry, since simple geometry is typically all to be made of lines, bow pen quilt What is used is the most frequent.

There is also following technical problems for the prior art:

(1), when carrying out scribing operation using bow pen, generally requiring cooperation ruler could draw lines directly, but When cooperating ruler to draw lines, it is easy to draw lines tiltedly, use is more inconvenient.

(2), existing bow pen can only generally draw single lines when carrying out scribing operation, when needs are drawn A plurality of lines when, need constantly to repeat scribing operation, it is more inconvenient, while it is inefficient to cross.

Summary of the invention

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of primary school mathematics bow pen, solves and is easy to incite somebody to action The problem of lines are drawn tiltedly and cannot once draw a plurality of lines.

(2) technical solution

To achieve the above object, the utility model provides the following technical solutions: a kind of primary school mathematics bow pen, including pen Bar, the top slide of the penholder is connected with press head, and the outer surface of the penholder is fixed with fixing clamp, the bottom of the penholder Portion is fixed with nib, and the lower section that the outer surface of the penholder is located at the fixing clamp is fixed with cylinder set, institute at the nib The outer surface for stating cylinder set, which is symmetrically welded, is fixed with the first link block, and the outer surface of cylinder set passes through two first connections Block is rotatably connected to cross bar, and two cross bars are welded with vertical bar, two institutes far from one end of first link block The bottom for stating vertical bar is welded with the second link block, and two second link blocks are U-shape, and two companies The inside for connecing block is rotatably connected to pulley.

Preferably, the outer surface of the penholder is located between the fixing clamp and cylinder set and consolidates at the fixing clamp Surely there is fixed ring, the outer surface of the fixed ring, which is symmetrically welded, is fixed with connecting rod, and two connecting rods are far from the fixation One end of ring is welded with lantern ring.

Preferably, the inner surface of two lantern rings is uniformly fixed with multiple adjustable springs, multiple adjustable springs One end be respectively and fixedly provided with fixture block, multiple fixture blocks are circular shape, and the inner surface of multiple fixture blocks is fitted with rubber Glue gasket.

Preferably, the outer surface of the penholder, which is located at below the fixed ring, is symmetrically fixed with the first magnet, two institutes The outer surface for stating vertical bar is respectively and fixedly provided with the second magnet, and the distance between described first magnet to first link block is equal to described Distance at the top of second magnet to the vertical bar, and two first magnet and two second magnet are heterosexual magnet.

Preferably, the least significant end of the least significant end of two pulleys and the nib is located in same level.

Preferably, two first link blocks are U-shape, and the inside of two first link blocks is fixed There is Damping rotation shaft, two cross bars pass through the Damping rotation shaft and are rotatablely connected respectively with two first link blocks, and The rotational angle of two cross bars is 0 ° -90 °.

(3) beneficial effect

The utility model provides a kind of primary school mathematics bow pen, have it is following the utility model has the advantages that

(1), the utility model is by being respectively and fixedly provided with the second link block, and two second connections in the bottom of two vertical bars The inner rotation of block is connected with pulley, and the least significant end of two pulleys and the least significant end of nib are located in same level, works as progress When scribing operation, cooperation ruler is not needed, lines can also be drawn directly, while avoiding when cooperating ruler, be held Lines are easily drawn oblique situation to occur, convenient for the use of pupil.

(2), the utility model on the outer surface of penholder by being fixed with fixed ring, while the outer surface of fixed ring passes through Two connecting rods are symmetrically fixed with lantern ring, and when needing once to draw a plurality of straight line, scribing line can be fixed on two lantern rings Pen, thus can once draw a plurality of line segment, improve the efficiency of scribing line, while avoid cumbersome scratching process, convenient for learning Raw use.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the overlooking structure diagram of lantern ring in the utility model；

Fig. 3 is the structural schematic diagram of the first link block in the utility model.

In figure: 1, press head；2, fixing clamp；3, connecting rod；4, lantern ring；5, penholder；6, the first magnet；7, cylinder set；8, it erects Bar；9, the second magnet；10, the second link block；11, written；12, pulley；13, the first link block；14, cross bar；15, fixed ring； 16, adjustable spring；17, fixture block；18, rubber sheet gasket；19, Damping rotation shaft.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figure 1-3, the utility model provides a kind of technical solution: a kind of primary school mathematics bow pen, including penholder 5, the top slide of penholder 5 is connected with press head 1, and the outer surface of penholder 5 is fixed with fixing clamp 2, and the bottom of penholder 5 is fixed with Nib 11, the lower section that the outer surface of penholder 5 is located at fixing clamp 2 are fixed with cylinder set 7, the outer surface pair of cylinder set 7 at nib 11 Title is welded with the first link block 13, and the outer surface of cylinder set 7 is rotatably connected to cross bar 14 by two the first link blocks 13, Two cross bars 14 are welded with vertical bar 8 far from one end of the first link block 13, and the bottom of two vertical bars 8 is welded with Second link block 10, two the second link blocks 10 are U-shape, and the inside of two the second link blocks 10 is rotatably connected to Pulley 12, when scribing line, the pulley 12 inside two the second link blocks 10 can follow bow pen to move together, while two Vertical bar 8 can guarantee that bow pen is moved in one direction, so as to not have to cooperation ruler, lines can also be drawn directly, It avoids when cooperating ruler simultaneously, is easy to draw lines into oblique situation generation.

Further, the outer surface of penholder 5, which is located between fixing clamp 2 and cylinder set 7, is fixed with fixed ring at fixing clamp 2 15, the outer surface of fixed ring 15, which is symmetrically welded, is fixed with connecting rod 3, and two one end of connecting rod 3 far from fixed ring 15 are welded It is fixed with lantern ring 4, it can be by the others scribing line pen cap on two lantern rings 4, so as to can once draw when scribing line A plurality of straight line out, improves the efficiency of scribing line, while facilitating the use of student.

Further, the inner surface of two lantern rings 4 is uniformly fixed with multiple adjustable springs 16, multiple adjustable springs 16 One end is respectively and fixedly provided with fixture block 17, and multiple fixture blocks 17 are circular shape, and the inner surface of multiple fixture blocks 17 is fitted with rubber pad Piece 18, when will cross the pen cap on lantern ring 4, multiple adjustable springs 16 inside lantern ring 4 to the elastic force of multiple fixture blocks 17, Multiple fixture blocks 17 can be made closely to be fitted on the outer surface of bow pen, so as to which bow pen is fixed, and meanwhile it is more Rubber sheet gasket 18 on a fixture block 17 can increase the frictional force between fixture block 17 and bow pen, so as to will further cross Pen is fixed on lantern ring 4.

Further, the lower section that the outer surface of penholder 5 is located at fixed ring 15 is symmetrically fixed with the first magnet 6, two vertical bars 8 Outer surface be respectively and fixedly provided with the second magnet 9, the distance between first 6 to the first link block of magnet 13 is equal to the second magnet 9 to perpendicular The distance at 8 top of bar, and two the first magnet 6 and two the second magnet 9 are that heterosexual magnet can when not needing scribing line To turn over two vertical bars 8, and by the mutual attractive force between the first magnet 6 and the second magnet 9, so as to by two Vertical bar 8 is fixed on the outer surface of penholder 5.

Further, the least significant end of the least significant end of two pulleys 12 and nib 11 is located in same level, guarantees drawing When line, two pulleys 12 can follow bow pen to move together, while guarantee when scribing line, straight line can be drawn Directly, it avoids bow pen from tampering, causes the lines marked not straight.

Further, two the first link blocks 13 are U-shape, and the inside of two the first link blocks 13 is respectively and fixedly provided with Damping rotation shaft 19, two cross bars 14 are rotatablely connected with two the first link blocks 13 by Damping rotation shaft 19 respectively, and two cross The rotational angle of bar 14 is 0 ° -90 °, is avoided when scribing line, and two vertical bars 8 rotate, and causes to mark the lines come not It meets the requirements, while guaranteeing that the least significant end of another two pulley 12 and the least significant end of nib 11 are located in same level.

It can to sum up obtain, the workflow of the utility model: when being crossed using the bow pen, two second companies Connecing the pulley 12 inside block 10 can follow bow pen to move together, while two vertical bars 8 can guarantee during scribing line, draw Only firm is moved line pen in one direction, to guarantee the straight of marked lines, avoids the need for cooperation ruler It is cumbersome and inconvenient, and other bow pens can be covered in two lantern rings 4, multiple adjustable springs 16 in two lantern rings 4 With the rubber sheet gasket 18 on multiple fixture blocks 17 and multiple fixture blocks 17, bow pen can be firmly fixed in lantern ring 4, be realized The function that a plurality of straight line can once be drawn, improves the efficiency of scribing line, while facilitating the use of student, avoid it is traditional draw it is more Straight line it is cumbersome, when not needing scribing line, two 8 turns of vertical bar can be risen, pass through two the first magnet on penholder 5 6 and two vertical bars 8 on the second magnet 9 between mutual attractive force, two vertical bars 8 can be firmly fixed to penholder 5 On outer surface, so that the bow pen is easy to use to carry out other writing work.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. the top slide of a kind of primary school mathematics bow pen, including penholder (5), the penholder (5) is connected with press head (1), And the outer surface of the penholder (5) is fixed with fixing clamp (2), the bottom of the penholder (5) is fixed with written (11), and feature exists In: the lower section that the outer surface of the penholder (5) is located at the fixing clamp (2) is fixed with cylinder set (7) at written (11), The outer surface of the cylinder set (7), which is symmetrically welded, to be fixed with the first link block (13), and the outer surface of the cylinder set (7) passes through two First link block (13) is rotatably connected to cross bar (14), and two cross bars (14) are far from first link block (13) One end is welded with vertical bar (8), and the bottom of two vertical bars (8) is welded with the second link block (10), and two Second link block (10) is U-shape, and the inside of two second link blocks (10) is rotatably connected to pulley (12)。

2. a kind of primary school mathematics bow pen according to claim 1, it is characterised in that: the outer surface of the penholder (5) It is fixed with fixed ring (15) at the fixing clamp (2) between the fixing clamp (2) and the cylinder set (7), it is described solid The outer surface for determining ring (15), which is symmetrically welded, to be fixed with connecting rod (3), and two connecting rods (3) are far from the fixed ring (15) One end is welded with lantern ring (4).

3. a kind of primary school mathematics bow pen according to claim 2, it is characterised in that: two lantern rings (4) it is interior Surface is respectively and fixedly provided with multiple adjustable springs (16), and one end of multiple adjustable springs (16) is respectively and fixedly provided with fixture block (17), multiple The fixture block (17) is circular shape, and the inner surface of multiple fixture blocks (17) is fitted with rubber sheet gasket (18).

4. a kind of primary school mathematics bow pen according to claim 3, it is characterised in that: the outer surface of the penholder (5) It is symmetrically fixed with below the fixed ring (15) the first magnet (6), the outer surface of two vertical bars (8) is respectively and fixedly provided with Second magnet (9), the distance between described first magnet (6) to first link block (13) are equal to second magnet (9) Distance at the top of the vertical bar (8), and two first magnet (6) and two second magnet (9) they are heterosexual magnet.

5. a kind of primary school mathematics bow pen according to claim 1, it is characterised in that: two pulleys (12) are most The least significant end of low side and written (11) is located in same level.

6. a kind of primary school mathematics bow pen according to claim 1, it is characterised in that: two first link blocks It (13) is U-shape, and the inside of two first link blocks (13) is respectively and fixedly provided with Damping rotation shaft (19), two cross Bar (14) is rotatablely connected with two first link blocks (13) by the Damping rotation shaft (19) respectively, and two cross The rotational angle of bar (14) is 0 ° -90 °.