CN202151976U

CN202151976U - Angle-adjustable T-square

Info

Publication number: CN202151976U
Application number: CN2011200750885U
Authority: CN
Inventors: 李孟育
Original assignee: QIADEMEI ENTERPRISE CO Ltd
Current assignee: QIADEMEI ENTERPRISE CO Ltd
Priority date: 2011-03-21
Filing date: 2011-03-21
Publication date: 2012-02-29
Anticipated expiration: 2021-03-21

Abstract

The utility model provides an angle-adjustable T-square. A lower pivot hole is formed on a propping plate in a penetrating manner; a screw rod hole is formed beside the lower pivot hole in a penetrating manner; angle marks are formed by taking the lower pivot hole as a circle center; an angle adjusting ruler pivotally connected with the propping plate is arranged; an upper pivot hole is formed at one end part of the angle adjusting ruler in a penetrating manner; the upper and the lower pivot holes are combined with a rivet; an arc-shaped guiding long hole taking the upper pivot hole as a circle center is formed beside the upper pivot hole in a penetrating manner; a screw rod upwards passing through the guiding long hole is arranged and combined in the screw rod hole in a penetrating manner; a nut for fixing the angle adjusting ruler is screwed at the top end of the screw rod; and a cursor pointer is convexly arranged at one end part of the angle adjusting ruler. The angle-adjustable T-square using a cursor pointer angle mark reading manner to adjust the angle of the angle adjusting ruler can be used to drawn lines at various angles according to user requirements or be used for the measurement during engineering construction, thereby facilitating the operation of an operator.

Description

The T-square of adjustable angle

Technical field

The utility model relates to a kind of T-square, relates in particular to a kind of T-square of movable adjustable angle.

Background technology

The manual drawing drawing is the basis of drawing, and skilled Freehandhand-drawing operation could let the learner that graphics is had deep understanding, in order to the operation that gets in the future computer graphics.

T-square is the ideal tools that applies to parallel vertical in the Freehandhand-drawing, when needs mark the oblique line of different angles, is that set square is placed on the T-square; Mark needed oblique line with the different angle of set square; But the angle angle for fear of set square on the market only has 90 degree, 60 degree, 45 degree or 30 degree equal angles, therefore if need to draw the lines of other angle, just can not cooperate with set square and mark; But must point out angle with protractor earlier; Could will put online mode with chi and rule, but so operating type extremely bothers, and can not make the operator easy to use.

The utility model content

Because the form of existing T-square for fixing only can mark vertical or parallel lines, and, T-square is subject to the angle of set square when cooperating set square to mark different angles.For this reason, the utility model mainly is used in T-square with the structure of protractor, reaches the effect that angle can be arbitrarily adjusted in line.

For achieving the above object; The utility model provides a kind of T-square of adjustable angle; Comprise: one against plate, for plate body and in forming a straight abutment face on every side, wears a lower pivot hole at this against plate; With this lower pivot hole is the center of circle, forms the angle mark of a semicircle against surface of plate at this; And

One angle adjustment chi; Form an articulated section for ruler and in the end, its outer margin contour is the inner edge of semicircle and this angle mark of aliging, and in this articulated section position that should lower pivot hole is worn a upper pivot hole; It with the upper pivot hole again the center of circle; Wear the guiding slotted hole of an arc in the articulated section, combine an articulated part, pass this guiding slotted hole with positioning piece again and be combined in this again against plate at upper pivot hole and lower pivot hole; With urgent this angle adjustment chi location of this keeper, the outer rim in this articulated section is convexly equipped with the cursor pointer of this angle mark of cooperation.

Further, the ruler that the said angle adjustment chi of the utility model is a light-permeable, said is the light tight plate body of rectangle against plate, forms another parallel outer abutment face on this surface against plate in contrast to said abutment face.

Further, the utility model forms a length mark respectively on the surface of said angle adjustment chi both sides, in the middle of this angle adjustment chi, forms the baseline more than again, and each baseline is parallel with the edge of these angle adjustment chi both sides.

Preferable, described articulated part is a rivet, and the bottom of said lower pivot hole enlarges and forms a rivet caulking groove, and the bottom of this rivet is entrenched in this rivet caulking groove, and again at this rivet ring set one packing ring, this packing ring is resisted against said articulated section and said against between the plate.

Preferable, at the other screw hole that wears of the lower pivot hole of said articulated section, it be a non-circular hole and under said guiding slotted hole; Enlarge in the bottom of screw hole and to form a screw rod caulking groove, said keeper comprises a screw rod and a nut, is set in this screw hole with the bottom of this screw rod; Form a cramp in this screw rod bottom; Be fastened on this screw rod caulking groove with this cramp, pass part ring set one pad of guiding slotted hole again at this screw rod up, this nut is screwed on this screw rod; With the bottom surface of this nut against this pad, with the location, surface of this urgent this articulated section of pad.

When the utility model uses, be the left side that the abutment face against plate is resisted against desktop, the operation that this moment, angle adjustment chi capable of using charted; When needs mark the oblique line of different angles, lock keeper behind the keeper anglec of rotation that the gets loose adjustment chi and fix, in the process and with the angle mark of cursor pointer contrast against plate; Can the angle adjustment chi be adjusted to required angle, mark the oblique line of various different angles, in addition; Also can the utility model be taken off by desktop; To be resisted against the metope or the beam column of construction place against plate, can carry out the angular metric side by pendulum angle adjustment chi, read the numerical value that draws angle against the angle mark of plate with the cursor pointer.

The utility model cooperates being configured with like protractor of cursor pointer against the angle mark of plate, and the structure of this protractor is used in the T-square of this creation, makes the utility model can reach following effect:

1, the utility model can carry out the location, two sides with abutment face and other part of side face against plate; The angle adjustment chi of angle can be freely adjusted in cooperation; Can reach the lines that freely mark different angles and the dual purpose of engineering construction angle measurement, make the operator be convenient to manipulate.

When 2, the utility model fixed angle is adjusted chi; Be as fixing fulcrum with the surface around the urgent guiding slotted hole of keeper; Form certain arm of force between the point of rotation of itself and rivet, so make against plate and the more difficult impact of fix with the angle adjustment chi of the angle change that gets loose because of external force.

Rotatable when 3, the utility model folds against plate, it is turned to and the less state of angle adjustment chi angle, so can dwindle whole volume, be convenient for carrying or take in, it is very suitable to use as education and instruction.

Description of drawings

Fig. 1 is the stereogram of the utility model preferred embodiment.

Fig. 2 is the exploded view of the utility model preferred embodiment.

Fig. 3 is the profile of the utility model preferred embodiment.

Fig. 4 is the plane of the utility model preferred embodiment.

Fig. 5 is that sketch map is implemented in the use of the utility model preferred embodiment.

[main element symbol description]

10 against plate 101 abutment faces

102 outer abutment face 11 lower pivot holes

111 rivet caulking grooves, 12 screw rods

121 cramps, 13 angle marks

14 screw holes, 141 screw rod caulking grooves

131 scale marks, 132 angle numeric indicia

20 angle adjustment chis, 201 rivets

2011 rivet female joints, 2012 rivet male joints

202 packing rings, 21 length marks

211 baselines, 22 articulated sections

221 upper pivot holes, 222 guiding slotted holes

23 nuts, 231 pads

24 cursor pointers, 241 indicating graduations

30 set squares

The specific embodiment

The utility model provides a kind of T-square of adjustable angle, and the preferred embodiment like Fig. 1 to Fig. 4 comprises:

One against plate 10, is the rectangle plate body of light-permeable not, is respectively forming abutment face 102 outside an abutment face 101 and against plate 10 opposite two sides; Vertically running through a lower pivot hole 11 against plate 10; Enlarge formation one rivet caulking groove 111 in the bottom of lower pivot hole 11, the lower pivot hole 11 other non-circular screw holes 14 that wear against plate 10 enlarge formation one screw rod caulking groove 141 in the bottom of screw hole 14; Place a screw rod 12 at screw hole 14; Its bottom is embedded thus at this screw hole 14 and can not rotates for cooperating the shape of this screw hole 14, forms a cramp 121 in screw rod 12 bottoms; Be fastened on screw rod caulking groove 141 with cramp 121; Surface against plate 10 is the angle mark 13 that the center of circle forms a semicircle with lower pivot hole 11, and it comprises a plurality of spaced scale marks 131, and forms a plurality of angle numeric indicia 132 in the outside of a plurality of scale marks 131.

One angle adjustment chi 20; Be linearly extended light-permeable ruler, respectively form a length mark 21, in the middle of angle adjustment chi 20, form two parallel baselines 211 again on the surface of angle adjustment chi 20 both side edges; Two baselines 211 are parallel with the edge of angle adjustment chi 20 both sides respectively; Correspondence forms an articulated section 22 against the position of the lower pivot hole 11 and the screw hole 14 of plate 10 in the end of angle adjustment chi 20, its outer margin contour is semicircle; The position of 22 corresponding lower pivot holes 11 wears a upper pivot hole 221 in the articulated section; Be provided with a rivet 201 and pass upper pivot hole 221 and be combined in lower pivot hole 11 as articulated part, this rivet 201 comprises the rivet female joint 2011 and rivet male joint 2012 that places combination up and down each other, and angle adjustment chi 20 and upper and lower pivoting point against plate 10 can be mutually combined with rotating form; The bottom of rivet male joint 2012 is entrenched in rivet caulking groove 111; Again at rivet 201 ring sets one packing ring 202, be resisted against articulated section 22 and against between the plate 10 with packing ring 202, the surface of avoiding articulated section 22 when rotating with against plate 10 friction scratches;

22 the upper pivot hole 221 other guiding slotted holes 222 that wear an arc in the articulated section; Its with upper pivot hole 221 be the center of circle and the position directly over lower pivot hole 11; The part that screw rod 12 passes lower pivot hole 11 up passes the centre of guiding slotted hole 222 up; Pass part ring set one pad 231 of guiding slotted hole 222 up at screw rod 12, corresponding screw rod 12 is provided with a nut 23, is screwed on the top of screw rod 124 with nut 23; With the bottom surface of nut 23 against pad 231, with the angle of the surperficial orientation angle adjustment chi 20 of pad 231 urgent articulated sections 22;

The outer rim alignment of articulated section 22 is against the inner edge of the scale mark 131 of plate 10; The centre of 22 outer rims is convexly equipped with a vernier pointer 24 outwardly in the articulated section; Form an indicating graduation 241 for the shape of flange and in the centre on surface; Because angle adjustment chi 20 is that the ruler and the scale mark 131 of light-permeable is light tight; Therefore can indicate against the scale mark 131 of plate 10 and by the numerical value of angle numeric indicia 132 reading angulars of corresponding position, the outside by indicating graduation 241, learn the angles that angle adjustment chi 20 tilts against plate 10 relatively.

The utility model removes aforementioned preferred embodiment; Be that cursor pointer 24 with angle adjustment chi 20 is made as indicating graduation 241 and contrasts beyond the scale mark 131 of plate 10; Also can directly cursor pointer 24 directly be made as aciculiform, use against the mode of the scale mark 131 of plate 10 with direct indication; And except with rivet 201 as the articulated part, also available inside and outsidely respectively have the sealed screw and nut group of screw thread as articulated part, can angle adjustment chi 20 be articulated on plate 10 equally, change the utility model of previous constructions does not limit at this.

When the utility model uses; Like Fig. 1, Fig. 2 and shown in Figure 5; It is the left side that will be resisted against desktop against the abutment face 101 on plate 10 right sides; The operation that utilize angle adjustment chi 20 to chart this moment perhaps can be taken off the utility model, will be resisted against the datum levels such as beam column of engineering construction against the outer abutment face 102 in plate 10 left sides; Then pendulum angle adjustment chi 20 and read the angle measurement purposes that the numerical value of scale mark 131 carries out engineering construction by indicating graduation 241 reaches the result of use of location, two sides.In the time need not using the utility model, can rotate against plate 10 again and fold, become the less state of volume and be convenient for carrying or take in.

When the utility model changes the angle of angle adjustment chi 20; The nut 23 that gets loose earlier discharges angle adjustment chi 20; Be axle center rotational angle adjustment chi 20 then, contrast each scale mark 131 on the plate 10 in the process and with the indicating graduation 241 of cursor pointer 24, can angle adjustment chi 20 be turned to needed angle really as the matching design of protractor with rivet 201; After the angle adjustment of treating angle adjustment chi 20 finishes; Again lock nut 23 and get final product the position that fixed angle is adjusted chi 20, the operation that then can utilize angle adjustment chi 20 to mark the different angles lines also can cooperate set square 30 to mark the angle of needs in the process.

Because it is free to rotate when the angle adjustment chi 20 of the utility model carries out the adjustment of angle; Therefore the use angle of angle adjustment chi 20 can be limited not very convenient; And when in the setting-out process of drawing, moving because of carelessness against plate 10; When influence utilizes angle adjustment chi 20 setting-out accuracy, can find lines wrong and that corrigendum is drawn early with 211 baselines on the angle adjustment chi 20 as contrast.Moreover; Owing to rivet 201 is arranged as centring point against between plate 10 and the angle adjustment chi 20; The keeper that cooperates nuts 23 with screw rod 12 again is as anchor point; Therefore between the point of rotation of nut 23 and rivet 201, form certain arm of force, so make nut 23 lockings, make the operator be convenient to operate against plate 10 and the more difficult impact of fix with angle adjustment chi 20 of the angle change that gets loose because of external force.

Claims

1. the T-square of an adjustable angle is characterized in that comprising:

One against plate, for plate body and in forming a straight abutment face on every side, wears a lower pivot hole at this against plate, is the center of circle with this lower pivot hole, forms a semicircle angle mark on this surface against plate; And

2. the T-square of adjustable angle as claimed in claim 1 is characterized in that, said angle adjustment chi is the ruler of ability printing opacity.

3. the T-square of adjustable angle as claimed in claim 2; It is characterized in that; Surface in said angle adjustment chi both side edges forms a length mark respectively, in the middle of this angle adjustment chi, forms the baseline more than again, and each baseline is parallel with the edge of these angle adjustment chi both sides.

4. like the T-square of claim 1 or 2 or 3 described adjustable angles; It is characterized in that; Described articulated part is a rivet, and the bottom of said lower pivot hole enlarges and forms a rivet caulking groove, and the bottom of this rivet is entrenched in this rivet caulking groove; At this rivet ring set one packing ring, this packing ring is resisted against said articulated section and said against between the plate again.

5. like the T-square of claim 1 or 2 or 3 described adjustable angles, it is characterized in that said articulated part is the inside and outside sealed screw and nut group of screw thread that respectively has.

6. the T-square of adjustable angle as claimed in claim 4 is characterized in that, at the other screw hole that wears of the lower pivot hole of said articulated section; It is non-circular hole and position under said guiding slotted hole, enlarge in the bottom of screw hole and to form a screw rod caulking groove, said keeper comprises a screw rod and a nut; Bottom with this screw rod is set in this screw hole, forms a cramp in this screw rod bottom, is fastened on this screw rod caulking groove with this cramp; Pass part ring set one pad of guiding slotted hole again up at this screw rod; This nut is screwed on this screw rod, with the bottom surface of this nut against this pad, with the location, surface of this urgent this articulated section of pad.

7. the T-square of adjustable angle as claimed in claim 1 is characterized in that, said is the light tight plate body of rectangle against plate, forms another parallel outer abutment face on this surface against plate in contrast to said abutment face.