CN207173124U - For drawing the drawing ruler of column diagram - Google Patents

Abstract

The utility model discloses a kind of drawing ruler for being used to draw column diagram, including first level chi, also include being vertical at the miter square that can be slided on first level chi and along the first level chi length direction, the miter square runs through the inside casing with two parallel long sides of the miter square with one from its thickness direction；The drawing ruler also include can in inside casing along slidably reciprocated perpendicular to the direction of first level chi and can when not sliding spacing second horizon rule in the same direction with first level chi in interior inframe.Mapped using above-mentioned drawing ruler, compared with the instruments such as conventionally employed common ruler, set square, can greatly save the drafting time, can more obtain the favor of user.

Description

For drawing the drawing ruler of column diagram

Technical field

Teaching drafting instrument is the utility model is related to, more particularly to a kind of drawing ruler for being used to draw column diagram.

Background technology

Statistics, economics teacher are when giving lessons, it is often necessary to column diagram are drawn on black/white plate, for vivider life Dynamic gives lessons.Column diagram needs first to draw vertical and horizontal reference axis, then in the column of the various height of abscissa plot on X axis, traditional skill In art, university teacher typically draws column diagram using drawing tools such as ruler, set squares, draws cylindricality in this way Figure, more loses time, and the figure drawn is not accurate enough, standard, has had a strong impact on student to the emerging of teachers' instruction content Interest and the degree of understanding, it is therefore desirable to a kind of simple drawing tools come exactly, quickly draw column diagram.

Utility model content

For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is：There is provided one kind can subtract The time of column diagram is drawn less, improves the drawing ruler for being used to draw column diagram for the efficiency for drawing column diagram.

In order to solve the above technical problems, the technical scheme that the utility model uses is：There is provided a kind of for drawing post The drawing ruler of shape figure, including first level chi, in addition to be vertical on first level chi and can be along the first level chi The miter square that length direction slides, the miter square run through the parallel with two of the miter square with one from its thickness direction The inside casing of long side；The drawing ruler also includes can be in inside casing along being slidably reciprocated perpendicular to the direction of first level chi and energy Enough spacing second horizon rules in the same direction with first level chi in interior inframe when not sliding.

As optimization, the inside casing is rectangle inside casing.

As optimization, a dovetail groove is offered along its length in the one side of the first level chi, is hung down described The lower surface of ruler is provided with the trapezoidal slide block being slidably matched with the dovetail groove, and the miter square passes through trapezoidal slide block and the swallow Being slidably matched for stern notch can slidably reciprocate along the length direction of the side of the first level chi.

As optimization, the direction of the long side of the rectangle inside casing is consistent with the length direction of miter square；Described second is horizontal Chi is slidably reciprocated and positioned perpendicular to the direction of first level chi by movement position limiting structure edge in rectangle inside casing, described Mobile position limiting structure includes the cunning that the second horizon rule can be made to be slided in rectangle inside casing interior edge perpendicular to the direction of first level chi Dynamic portion and the limiting section that the second horizon rule can be made to be limited in when not sliding in rectangle；The sliding part is included respectively along square The chute that the length direction of two long sides of shape inside casing opens up, the both ends of second horizon rule are located in two chutes respectively, By being slidably matched with two chutes to realize in rectangle inside casing along being slidably reciprocated perpendicular to the direction of first level chi.

As optimization, the length of second horizon rule is less than the distance between two chutes；The limiting section include by The first slideway that the bottom land of first chute in two chutes opens up to the corresponding outside edge direction of miter square, by the first slideway Bottom opened up to corresponding outside edge direction and run through the second slideway of corresponding outer side edges, first slideway Width be more than the width of the second slideway and overall more than the width of first chute, first slideway and the second slideway T-shaped slideway is formed, the length of the length of T-shaped slideway and the long side of the rectangle inside casing matches；The limiting section also includes sliding A dynamic fixture block, a pull bar and the self- recoverage spring in the first slideway, the inner end of the pull bar and second water Leveling ruler is affixed corresponding to one end of T-shaped slideway, and outer end is passed after passing through the fixture block by second slideway, outside the pull bar End is with the gland for preventing that pull bar from contracting inwards；The total length of second horizon rule and the pull bar is less than corresponding outside While to the parallel distance between second chute, space of the self- recoverage spring between the fixture block and the second horizon rule It is interior and be located on the pull bar, and the self- recoverage spring is in pressured state.

As optimization, the lateral surface of the gland is provided with a draw ring.

As optimization, corresponding outer side edges be provided with can increase corresponding outer side edges and the gland it Between frictional force the first friction plate, offer the 3rd corresponding to the opening position of second slideway on first friction plate Slideway.

As optimization, first friction plate is the first sheet rubber.

As optimization, second horizon rule and second cunning can be increased by being provided with the bottom land of second chute Second friction plate of the frictional force between groove.

As optimization, second friction plate is the second sheet rubber.

The drawing ruler of the present utility model for being used to draw column diagram, user, can be first with miter squares and first in mapping Horizon rule draws vertical and horizontal reference axis, miter square is then moved in the position of first level chi length direction, further according to cylindricality height To move the height and position of the second horizon rule, you can quickly, easily draw column diagram, made using the drawing ruler of the present embodiment Figure, compared with the instruments such as conventionally employed common ruler, set square, it can greatly save and draw the time, can more obtain use The favor at family.The mobile position limiting structure combined using connecting rod, self- recoverage spring, catch, two chutes is moved and limited Position, can faster by the second horizon rule be moved to destination locations and carry out it is spacing, user operation it is easier, it is only necessary to outwards Pull bar is drawn, moving up and down pull bar can be moved to the second horizon rule, spacing more convenient and quicker, and user, which only needs to decontrol, to be drawn Bar, you can make the second horizon rule by the case of energetically, Horizontal limiting is not in destination locations.

Brief description of the drawings

Fig. 1 is the structural representation that the utility model is used to draw the embodiment of drawing ruler one of column diagram.

Fig. 2 is the structural representation that the utility model is used to draw the drawing ruler one side of column diagram.

Fig. 3 is the sectional view of A-A in Fig. 1.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

Refer to Fig. 1 to Fig. 3, the drawing ruler for being used to draw column diagram of the present embodiment, including it is first level chi 1, vertical Can have on first level chi 1 and along the miter square 2 of the length direction of first level chi 1 slip, the miter square 2 One inside casing 21 with two parallel long sides from its thickness direction through the miter square 2；The drawing ruler also includes can Edge slidably reciprocates perpendicular to the direction of first level chi 1 and can be spacing in interior frame 21 when not sliding in inside casing 21 Second horizon rule 3 in the same direction with first level chi 1.

Specifically：

A dovetail groove 10 is offered along its length in the one side of the first level chi 1, in the miter square 2 Lower surface is provided with the trapezoidal slide block 22 that is slidably matched with the dovetail groove 10, the miter square 2 by trapezoidal slide block 22 with it is described Being slidably matched for dovetail groove 10 can slidably reciprocate along the length direction of the side of the first level chi 1.Using this structure Miter square 2 is set to coordinate with first level chi 1, the shape of miter square 2 and first level chi 1 can develop into right angled triangle chi （Miter square 2 is moved to one end of first level chi 1, makes lateral surface end face corresponding with first level chi 1 position of miter square 2 In same facade）, T-shaped chi can also be developed, meet the needs of a variety of occasions, improve versatility.On the other hand, miter square 2 It can be removed from first level chi 1, and split fast and easy, when needing to draw column diagram, miter square 2 is arranged on the The upper side of one horizon rule 1；When drawing in general straight line, miter square 2 can be removed from first level chi 1, it is full The different demands of the different occasions of foot.

The miter square 2, the thickness of first level chi 1 can be equal or match, and the thickness of second horizon rule 3 is small In the thickness of miter square 2.

In the present embodiment, the inside casing 21 is rectangle inside casing 21, is described below with rectangle inside casing 21, rectangle inside casing 21 make it that miter square 2 is in long frame structure, can be referred to as long square frame chi.Intelligible, the inside casing 21 is not limited in square Shape inside casing 21, such as it may also is that enclosed by two parallel long sides with the short side of two arcs formed it is similar ellipse Shape, or be to be and long side by two parallel long sides and short side that upper end is arc, close to the lower end of first level chi 1 Vertical short side encloses the shape to be formed.

In the present embodiment, the long side of the rectangle inside casing 21 is consistent with the length direction of miter square 2, the length of two long sides It is slightly less than the length of miter square 2.Intelligible, in other examples, the long side of the rectangle inside casing 21 can also be with hanging down The width of ruler 2 is consistent.

In the present embodiment, second horizon rule 3 by a movement position limiting structure in rectangle inside casing 21 along perpendicular to the The direction of one horizon rule 1（Alternatively referred to as short transverse）Slidably reciprocate and position, the mobile position limiting structure includes making The sliding part and can make that second horizon rule 3 slidably reciprocates in the interior edge of rectangle inside casing 21 perpendicular to the direction of first level chi 1 Second horizon rule 3 is limited in the limiting section in rectangle inside casing 21 when not sliding.The sliding part is included respectively along rectangle inside casing The chute 41,42 that the length direction of 21 two long sides opens up, the both ends of second horizon rule 3 are located at two chutes respectively 41st, in 42, by being slidably matched with two chutes 41,42 to realize in rectangle inside casing 21 along perpendicular to first level chi 1 Direction slidably reciprocate.The thickness of the thickness of second horizon rule 3 and the chute 41,42 matches, and length is more than rectangle The width of inside casing 21, the parallel distance between the bottom land of less than two chutes 41,42, in the case of no-fix, second is horizontal Chi 3 can be between two chutes 41,42 along parallel to the direction of first level chi 1 or so transverse shifting.

In the present embodiment, the limiting section includes the bottom land from first chute 41 in two chutes 41,42 to vertical The first slideway 51 that the corresponding outside edge direction of chi 2 opens up, from the bottom of the first slideway 51 to corresponding outside edge direction Open up and run through the second slideway 52 of corresponding outer side edges, the width of first slideway 51 is more than the width of the second slideway 52 T-shaped slideway, T-shaped slideway is integrally formed in degree and the width for being more than first chute 41, the slideway 52 of the first slideway 51 and second The length of length and the long side of the rectangle inside casing 21 match；What the limiting section also included sliding is located at the first slideway 51 An interior fixture block 53, a pull bar 54 and a self- recoverage spring 55, the inner end of the pull bar 54 are corresponding to second horizon rule 3 Affixed in one end of T-shaped slideway, outer end is passed after passing through the fixture block 53 by second slideway 52, the outer end of the pull bar 54 With the gland 56 for preventing that pull bar 54 from contracting inwards；Second horizon rule 3 is less than described corresponding to the total length of the pull bar 54 Outer side edges to the parallel distance between second chute 42, the self- recoverage spring 55 is positioned at the level of fixture block 53 and second In space between chi 3 and it is located on the pull bar 54, and the self- recoverage spring 55 is in pressured state.In the program In, second horizon rule 3 needs to be less than corresponding outer side edges to second chute 42 plus the total length after pull bar 54 Bottom land between parallel distance, can so ensure self- recoverage spring 55 in any state（By the second horizon rule 3 position to The positioning states of arbitrary height position in inside casing 21, and pull bar 54 is pulled outwardly, move up and down the mobile shape of the second horizon rule 3 State）Under be in pressured state, simply being stressed less than being stressed under mobile status under positioning states.Mobile second During horizon rule 3, user is pulled outwardly pull bar 54, and pull bar 54 drives the second horizon rule 3 to be moved to corresponding direction, self- recoverage spring 55 It is further compressed, the outer end that user holds pull bar 54 moves up and down along the long side direction of rectangle inside casing 21, so as to complete to make second The function that horizon rule 3 moves up and down；After the position that user wants is moved to, user's releasing lever 54,55, self- recoverage spring Dynamic second horizon rule 3 is pushed according to self- recoverage to move towards the direction of second chute 42, the second horizon rule 3 is against second chute 42 Bottom land, now the medial surface of gland 56 is butted on corresponding outer side edges, and self- recoverage spring 55 is still within compression shape State, therefore the second horizon rule 3 can be positioned.As long as do not make to remove mobile second horizon rule 3, the second horizon rule 3 more energetically It can then be held in position, will not move up and down easily.

In the present embodiment, pull bar 54 is pulled outwardly for the ease of user, the lateral surface of the gland 56 is provided with a draw ring.

Frictional force between the outer side edges and the gland 56 can be increased by being provided with corresponding outer side edges First friction plate, the opening position corresponding to second slideway 52 on first friction plate offer the 3rd slideway.As A kind of optional, first friction plate is the first sheet rubber 57, the length of first sheet rubber 57 and width with it is described The length and width of corresponding outer side edges matches.Also have while can increasing frictional force using the first sheet rubber 57 certain Elasticity, gland 56 be butted on the first sheet rubber 57 it is outer when, the first sheet rubber 57 corresponding to the gland 56 opening position slightly towards In depressed deformation, can further prevent the second horizon rule 3 from being moved under positioning states.

In order to further increase locating effect, second level can be increased by being provided with the bottom land of second chute 42 Second friction plate of the frictional force between chi 3 and second chute 42.Optional as one kind, second friction plate is Second sheet rubber 58.Likewise, when the second horizon rule 3 is butted on the second sheet rubber 58, the second sheet rubber 58 corresponds to second The opening position of horizon rule 3 is recessed slightly towards the bottom land direction of second chute 42, can further prevent the second horizon rule 3 from existing Moved under positioning states.First sheet rubber 57 and the second rubber piece can be used cooperatively simultaneously, one of them can also be used only, together Shi Peihe's is better.

The drawing ruler of the present utility model for being used to draw column diagram, for the ease of the installation of the second horizon rule 3, can make square The upper end of shape inside casing 21（One end away from first level chi 1）It is in communication with the outside, while also makes the upper end of T-shaped slideway from the phase The outer side edges upper end answered is in communication with the outside, and a dismountable upper end capping, upper end capping are then set in the upper end of miter square 2 Section first upper end can be covered and removed from the upper end of miter square 2, then will carry pull bar 54 with T-shaped, in assembling（Draw Bar 54 is installed with block）The second horizon rule 3 load from the upper end of miter square 2, then upper end is placed on to the upper end of miter square 2 .In this scenario, upper end capping and width, the thickness of miter square 2 match.

When drawing column diagram using the drawing ruler of the present embodiment, user can draw first with miter square 2 and first level chi 1 Vertical and horizontal reference axis, miter square 2 is then moved in the position of the length direction of first level chi 1, highly is moved further according to cylindricality The height and position of two horizon rules 3, you can quickly, easily draw column diagram, mapped using the drawing ruler of the present embodiment, with biography System is compared using instruments such as common ruler, set squares, the green grass or young crops that can greatly save and draw the time, can more obtain user Look at.The mobile position limiting structure combined using connecting rod, self- recoverage spring 55, catch, two chutes 41,42 is moved and limited Position, can faster by the second horizon rule 3 be moved to destination locations and carry out it is spacing, user operation it is easier, it is only necessary to Outer drawing pull bar 54, moving up and down pull bar 54 can move to the second horizon rule 3, and spacing more convenient and quicker, user only needs Decontrol pull bar 54, you can make the second horizon rule 3 by the case of energetically, Horizontal limiting is not in destination locations.

Embodiment of the present utility model is these are only, not thereby limits the scope of the claims of the present utility model, every profit The equivalent structure or equivalent flow conversion made with the utility model specification and accompanying drawing content, or directly or indirectly it is used in it The technical field of his correlation, is similarly included in scope of patent protection of the present utility model.

Claims (8)

1. a kind of drawing ruler for being used to draw column diagram, including first level chi, it is characterised in that：Also include being vertical at first And can be along the miter square of first level chi length direction slip on horizon rule, the miter square has one from its thickness The inside casing with two parallel long side of the direction through the miter square；The drawing ruler also include can in inside casing along perpendicular to The direction of first level chi slidably reciprocate and can when not sliding it is spacing interior inframe it is in the same direction with first level chi second Horizon rule；The inside casing is rectangle inside casing；A dovetail groove is offered along its length in the one side of the first level chi, The trapezoidal slide block being slidably matched with the dovetail groove is provided with the lower surface of the miter square, the miter square passes through trapezoidal slide block It can be slidably reciprocated with being slidably matched for the dovetail groove along the length direction of the side of the first level chi.

2. the drawing ruler as claimed in claim 1 for being used to draw column diagram, it is characterised in that：The long side of the rectangle inside casing Direction is consistent with the length direction of miter square；Second horizon rule moves position limiting structure in rectangle inside casing along vertical by one Slidably reciprocate and position in the direction of first level chi, the mobile position limiting structure includes that the second horizon rule can be made in rectangle The sliding part and the second horizon rule can be made spacing when not sliding that inside casing interior edge is slided perpendicular to the direction of first level chi In the limiting section in rectangle；The sliding part includes the chute opened up respectively along the length direction of two long sides of rectangle inside casing, The both ends of second horizon rule are respectively in two chutes, by being slidably matched with two chutes to realize in rectangle Edge slidably reciprocates perpendicular to the direction of first level chi in frame.

3. the drawing ruler as claimed in claim 2 for being used to draw column diagram, it is characterised in that：The length of second horizon rule The distance between less than two chutes；The limiting section is included from the bottom land of first chute in two chutes to miter square phase The first slideway that the outside edge direction answered opens up, from the bottom of the first slideway to corresponding outside edge direction open up and run through Second slideway of corresponding outer side edges, the width of first slideway are more than the width of the second slideway and more than described first The width of individual chute, first slideway and the second slideway are integrally formed T-shaped slideway, the length of T-shaped slideway with the rectangle The length of the long side of frame matches；The fixture block in the first slideway that the limiting section also includes sliding, a pull bar and One self- recoverage spring, the inner end of the pull bar is affixed corresponding to one end of T-shaped slideway with second horizon rule, and outer end passes through institute Passed after stating fixture block by second slideway, the outer end of the pull bar has the gland for preventing that pull bar from contracting inwards；Second water The total length of leveling ruler and the pull bar is less than corresponding outer side edges to the parallel distance between second chute, described from extensive Multiple spring in the space between the fixture block and the second horizon rule and is located on the pull bar, and the self- recoverage spring In pressured state.

4. the drawing ruler as claimed in claim 3 for being used to draw column diagram, it is characterised in that：Set in the lateral surface of the gland It is equipped with a draw ring.

5. the drawing ruler as claimed in claim 3 for being used to draw column diagram, it is characterised in that：Set in corresponding outer side edges The first friction plate of the frictional force between corresponding outer side edges and the gland can be increased by being equipped with, in the described first friction Opening position on piece corresponding to second slideway offers the 3rd slideway.

6. the drawing ruler as claimed in claim 5 for being used to draw column diagram, it is characterised in that：First friction plate is first Sheet rubber.

7. the drawing ruler for being used to draw column diagram as described in claim 3 or 5, it is characterised in that：In the groove of second chute Bottom is provided with the second friction plate that can increase the frictional force between second horizon rule and second chute.

8. the drawing ruler as claimed in claim 7 for being used to draw column diagram, it is characterised in that：Second friction plate is second Sheet rubber.