CN220331489U - T-shaped multifunctional ruler - Google Patents

Abstract

The utility model belongs to the technical field of woodworking measuring tools, and particularly relates to a T-shaped multifunctional ruler. A T-shaped multifunctional ruler comprises a ruler head and a ruler body, wherein the ruler body is detachably fixed on the ruler head through a connecting mechanism and is mutually perpendicular to the ruler head; the ruler body comprises a fixed disc and a measuring ruler; the measuring rule comprises a first inclined rule, a second inclined rule, a first plane rule and a second plane rule; scale marks are carved on the surfaces of the first bevel ruler and the second bevel ruler; the positions of the first plane ruler and the second plane ruler, which correspond to the scale marks of the first inclined plane ruler and the second inclined plane ruler, are provided with scale holes; the middle part of the measuring ruler is also provided with a limiting chute, and annular flanges are arranged on the periphery of the inner wall of the limiting chute; the annular flange can be glidingly connected with a zero position positioning mechanism, a painting brush fixing mechanism and a drill bit fixing mechanism. The utility model provides a T type multifunctional ruler, chi head and blade can dismantle and use respectively, also can combine into two into one the use, both can satisfy functions such as common drawing straight line, can also multifunctional use satisfies different application scenario.

Description

T-shaped multifunctional ruler

Technical Field

The utility model belongs to the technical field of woodworking measuring tools, and particularly relates to a T-shaped multifunctional ruler.

Background

T-bars are generally formed of a perpendicular head and body, and are tools for drawing horizontal lines, and are commonly used directly to draw parallel lines or as supports for triangular plates to draw straight lines at various angles to the ruler. The existing T-shaped ruler has single function and cannot meet the use requirements of multiple scenes.

Disclosure of Invention

In view of this, the present utility model provides an arbitrary hole-type pull handle profile capable of flexibly matching a mounting structure to solve the technical problems described in the background art section.

The utility model provides a solution for solving the technical problems that:

a T-shaped multifunctional ruler comprises a ruler head and a ruler body, wherein the ruler body is detachably fixed on the ruler head through a connecting mechanism and is mutually perpendicular to the ruler head; the ruler body comprises a fixed disc and a measuring ruler; the measuring rule comprises a first inclined rule, a second inclined rule, a first plane rule and a second plane rule; scale marks are carved on the surfaces of the first bevel ruler and the second bevel ruler; the positions of the first plane ruler and the second plane ruler, which correspond to the scale marks of the first inclined plane ruler and the second inclined plane ruler, are provided with scale holes; the middle part of the measuring ruler is also provided with a limiting chute, and annular flanges are arranged on the periphery of the inner wall of the limiting chute; the annular flange can be glidingly connected with a zero position positioning mechanism, a painting brush fixing mechanism and a drill bit fixing mechanism; the zero positioning mechanism is used for positioning zero scale of the measuring ruler, the painting brush fixing mechanism is used for fixing the painting brush, and the drill bit fixing mechanism is used for fixing the drill bit or the painting brush.

Preferably, the zero position positioning mechanism comprises a positioning base, a positioning needle, a positioning screw column and a positioning screw cap; the positioning needle passes through the positioning base and is fixed at one end of the positioning base, and when the positioning base moves to the top end of the limiting chute, the positioning needle aims at the zero scale of the measuring ruler; the positioning base is also provided with a positioning screw column, and the positioning screw cap is fixedly arranged on the positioning screw column through threaded connection; when the positioning screw cap is screwed down, the positioning screw cap is abutted with the top surfaces of the annular flanges at the two sides of the limiting chute, the upper surface of the positioning base is abutted with the bottom surfaces of the annular flanges at the two sides of the limiting chute, and the zero-position positioning mechanism is hung on the annular flanges and is arranged in the limiting chute.

Preferably, the painting brush fixing mechanism comprises a painting brush base, a painting brush hole and a painting brush screw column which are arranged on the painting brush base, and a painting brush screw cap; the painting brush screw cap is fixedly connected to the painting brush screw column through threads; when the painting brush screw cap is screwed down, the painting brush screw cap is abutted with the top surfaces of the annular flanges at the two sides of the limiting chute, the upper surface of the painting brush base is abutted with the bottom surfaces of the annular flanges at the two sides of the limiting chute, and the painting brush fixing mechanism is hung on the annular flanges and is arranged in the limiting chute.

Preferably, the drill bit fixing mechanism comprises a drill bit base and a drill hole cover; the drill bit base is also provided with a drill bit screw column and a through hole; the two sides of the drilling sleeve cover are respectively provided with a claw, the drilling sleeve cover is also provided with a drill hole and a screw hole, and the drill sleeve is detachably fixed in the drill hole; the bottom of the drill bit hole is also provided with an annular convex column; the clamping claw is respectively arranged on the first inclined plane ruler and the second inclined plane ruler, and the annular convex column penetrates through the through hole; the drill bit screw column penetrates through the screw hole, and a drill bit screw cap is fixed at the top end of the drill bit screw column; when the drill bit screw cap is screwed down, the bottom surface of the drilling sleeve cover is respectively abutted with the top surfaces of the annular flanges at the two sides of the limiting chute and the upper surface of the painting brush base, the upper surface of the painting brush base is also abutted with the bottom surfaces of the annular flanges at the two sides of the limiting chute, and the drill bit fixing mechanism is hung on the annular flanges and is arranged in the limiting chute.

Preferably, the top surface of the ruler head is provided with a fixed disc accommodating groove; the ruler head is also provided with a connecting mechanism accommodating cavity penetrating through the fixing disc accommodating groove, the connecting mechanism accommodating cavity is divided into a clamping piece accommodating cavity, a pressing disc moving cavity and a connecting fixing piece accommodating cavity.

Preferably, the connecting mechanism comprises a connecting fixing piece, a pressing plate, a spring, a clamping piece, a limiting bead and a sleeving piece; the connecting fixing piece is provided with a pressing plate accommodating hole and is fixed in the connecting fixing piece accommodating cavity of the ruler head; the periphery of the pressing disc is provided with annular clamping edges, the pressing disc is also provided with limiting columns, and the limiting columns are provided with annular limiting clamping grooves; the clamping piece is provided with a limit bead accommodating hole, the bottom of the clamping piece is also provided with an annular spring accommodating groove, and the middle of the clamping piece is also provided with a limit column accommodating hole; the pressing disc is arranged in the pressing disc accommodating hole, and the annular clamping edge of the pressing disc is arranged on the connecting fixing sheet; the spring is sleeved on the limit column, one end of the spring is arranged at the top of the pressing disc, the other end of the spring is in butt joint with the spring accommodating groove, and the clamping piece is arranged in the clamping piece accommodating cavity; the pressing disc can move up and down in the range of the pressing disc moving cavity through the pressing spring; the sleeving part is sleeved on the clamping part and is fixed on the fixed disc; the limit column penetrates into the limit column accommodating hole; the sleeve joint piece is provided with an annular limiting groove at the position of the limiting bead accommodating hole, and the limiting column and the limiting groove limit the limiting bead in the limiting bead accommodating hole.

Preferably, two of the sides of the rule head are inclined at an angle of 45 °.

Preferably, the gauge head has a thickness of 12.7cm and a height of 50.8cm.

Preferably, the ruler head is further provided with two adjusting screws, and the two adjusting screws penetrate into the holding groove of the fixed disc from the left side and the right side respectively and are abutted against the side face of the fixed disc.

Preferably, the bit holder can be selected from bit holders with different apertures, and is suitable for the bits with different sizes; the drill sleeve is also provided with a drill brush hole for fixing a brush.

The beneficial technical effects are as follows:

1. the T-shaped multifunctional ruler has the advantages that the ruler head and the ruler body are detachably mounted through the connecting mechanism, the ruler head and the ruler body can be detached for use respectively when in use, and the ruler head and the ruler body can be combined into one for use, so that functions of common straight line drawing and the like can be met, and different use scenes can be met through multifunctional use;

2. the T-shaped multifunctional ruler is characterized in that a ruler body is provided with a zero position positioning mechanism, a painting brush fixing mechanism and a drill bit fixing mechanism; when the ruler body is used independently, the zero positioning mechanism is used for positioning zero scales of the measuring ruler, at the moment, the painting brush fixing mechanism is used for fixing the painting brush and sliding to the needed scales and then fixing the painting brush, the zero positioning mechanism can be used as a supporting leg, the circle drawing function can be realized by rotating the ruler body, and circles with different sizes can be drawn by flexibly selecting different radiuses through the sliding painting brush fixing mechanism;

3. the T-shaped multifunctional ruler can be used as a measuring standard block, and the two side faces of the T-shaped multifunctional ruler can measure an angle of 45 degrees; the thickness of the film can be measured by a distance of 12.7cm, which is equivalent to 5 inches; the height of the device can be measured by 50.8cm, which is equivalent to 20 inches; the common woodworking cutting size and saw blade adjusting angle are met;

4. when the T-shaped multifunctional ruler is used by combining the ruler head and the ruler body, the ruler head can be used as a backer, and a drawing pen can be penetrated into a corresponding scale hole to draw a straight line on a required distance; the drill bit is arranged in the drill bit fixing mechanism, so that the drill bit can be punched on the corresponding length, the position needing to be punched can be flexibly selected through the sliding drill bit fixing mechanism, and drill bit sleeves with different apertures can be selected to adapt to drill bits with different sizes.

The technical scheme and technical effects of the present application will be described in detail below with reference to the drawings and the detailed description of the specification.

Drawings

FIG. 1 is a schematic view of the structure of a T-shaped multifunctional ruler;

FIG. 2 is a structural exploded view of the T-shaped multifunctional ruler;

FIG. 3 is a front view of the T-shaped multi-function ruler;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;

FIG. 5 is an enlarged schematic view of FIG. 4 at B;

FIG. 6 is an enlarged schematic view of FIG. 4 at C;

FIG. 7 is an enlarged schematic view of FIG. 4 at D;

FIG. 8 is an enlarged schematic view of FIG. 4 at E;

FIG. 9 is a schematic view of a scenario in which the blade angle is measured using the blade side;

FIG. 10 is a schematic view of a scenario in which a gauge head thickness is used to measure distance;

FIG. 11 is a schematic view of a scenario in which a gauge head height is used to measure distance;

FIG. 12 is a schematic view of a scene using a blade to draw a circle;

FIG. 13 is a schematic view of a scene perforated using a T-shaped multi-function ruler;

FIG. 14 is a schematic view of a scene of drawing a straight line using a T-shaped multi-function ruler;

identification description:

1-T type multifunctional ruler, 2-workbench, 3-saw blade, 4-mountain leaning and 5-wood;

10-ruler head, 20-ruler body and 30-connecting mechanism;

110-a fixed disc accommodating groove, 120-a connecting mechanism accommodating cavity and 130-an adjusting screw;

1210-a clamping piece accommodating cavity, 1220-a pressing plate moving cavity, 1230-a connecting fixing piece accommodating cavity;

210-a fixed disc, 220-a measuring ruler, 230-a limiting chute, 240-a zero-position positioning mechanism, 250-a painting brush fixing mechanism and 260-a drill bit fixing mechanism;

2210-a first bevel ruler, 2220-a second bevel ruler, 2230-a first plane ruler, 2240-a second plane ruler;

2310-an annular flange;

2410-positioning base, 2420-positioning needle, 2430-positioning screw post, 2440-positioning screw cap;

2510-a painting brush base, 2520-a painting brush hole, 2530-a painting brush screw post and 2540-a painting brush screw cap;

2610-bit base, 2620-drilling cover, 2630-bit screw post, 2640-through hole, 2650-bit screw cap, 2660-bit cover;

26210-claw, 26220-drill bit hole, 26230-screw hole;

310-fixing sheets, 320-pressing plates, 330-springs, 340-clamping pieces, 350-limit beads, 360-sleeving pieces and 370-limit columns;

3110-pressing the tray accommodation hole;

3210-annular clamping edges;

3410-limit bead receiving holes, 3420-spring receiving slots, 3430-limit post receiving holes;

3610-limit grooves;

3710-limit clamping groove.

Detailed Description

Referring to fig. 1-10, the disclosed T-shaped multifunctional ruler comprises a ruler head 10 and a ruler body 20, wherein the ruler body 20 is detachably fixed on the ruler head 10 through a connecting mechanism 30, and the ruler head 10 and the ruler body are mutually perpendicular;

the blade 20 includes a fixed disk 210 and a measuring scale 220; measuring scale 220 includes a first bevel scale 2210, a second bevel scale 2220, a first flat scale 2230, and a second flat scale 2240; scale marks are carved on the surfaces of the first inclined plane ruler 2210 and the second inclined plane ruler 2220; the first flat ruler 2230 and the second flat ruler 2240 are provided with scale holes at positions corresponding to scale lines of the first inclined plane ruler 2210 and the second inclined plane ruler 2220;

the middle part of the measuring ruler 220 is also provided with a limit chute 230, and annular flanges 2310 are arranged on the periphery of the inner wall of the limit chute 230; the annular flange 2310 is slidably connected with a zero positioning mechanism 240, a painting brush fixing mechanism 250 and a drill bit fixing mechanism 260; the zero position positioning mechanism 240 is used for positioning the zero scale of the measuring ruler 220, the brush fixing mechanism 250 is used for fixing a brush, and the drill bit fixing mechanism 260 is used for fixing a drill bit or a brush.

The zero position positioning mechanism 240 includes a positioning base 2410, a positioning pin 2420, a positioning screw post 2430 and a positioning screw cap 2440; the positioning needle passes through the positioning base 2410 and is fixed at one end of the positioning base 2410, and when the positioning base 2410 moves to the top end of the limit chute 230, the positioning needle 2420 is aligned with the zero scale of the measuring scale 220; the positioning base 2410 is also provided with a positioning screw post 2430, and the positioning screw cap 2440 is fixed on the positioning screw post 2430 through threaded connection; when the set screw cap 2440 is screwed, the set screw cap 2440 abuts against the top surfaces of the annular flanges 2310 at both sides of the limit chute 230, the upper surface of the positioning base 2410 abuts against the bottom surfaces of the annular flanges 2310 at both sides of the limit chute 230, and the zero position positioning mechanism 240 is hung on the annular flanges 2310 and is disposed in the limit chute 230.

The brush fixing mechanism 250 includes a brush base 2510, a brush hole 2520 and a brush screw 2530 provided on the brush base 2510, and a brush screw cap 2540;

the painting screw cap 2540 is fixed to the painting screw post 2530 by a threaded connection; when the brush screw cap 2540 is screwed, the brush screw cap 2540 abuts against the top surfaces of the annular flanges 2310 at both sides of the limiting chute 230, the upper surface of the brush base 2510 abuts against the bottom surfaces of the annular flanges 2310 at both sides of the limiting chute 230, and the brush fixing mechanism 250 is hung on the annular flanges 2310 and is disposed in the limiting chute 230.

The bit securing mechanism 260 includes a bit base 2610 and a drill sleeve cover 2620; drill screw post 2630 and through hole 2640 are also provided on drill base 2610; the two sides of the drilling sleeve cover 2620 are respectively provided with a claw 26210, the drilling sleeve cover 2620 is also provided with a drill hole 26220 and a screw hole 26230, and a drill sleeve 2660 is detachably fixed in the drill hole 26220; the bottom of the drill bit hole 26220 is also provided with an annular convex column 26240; the clamping jaw 26210 is respectively supported on the first inclined plane ruler 2210 and the second inclined plane ruler 2220, and the annular convex column 26240 penetrates through the through hole 2640; the drill screw 2630 passes through the screw hole 26230, and a drill screw cap 2650 is fixed at the top end of the drill screw 2630;

when the drill screw cap 2650 is screwed, the bottom surface of the drill sleeve cover 2620 is respectively abutted against the top surface of the annular flange 2310 at both sides of the limit chute 230 and the upper surface of the brush base 2510, and the upper surface of the brush base 2510 is also abutted against the bottom surface of the annular flange 2310 at both sides of the limit chute 230, so that the drill fixing mechanism 260 is hung on the annular flange 2310 and placed in the limit chute 230.

The top surface of the ruler head 10 is provided with a fixed disc accommodating groove 110; the rule head 10 is further provided with a connection mechanism accommodating chamber 130 penetrating the fixed disc accommodating groove 110, the connection mechanism accommodating chamber 130 is divided into a clamping piece accommodating chamber 1310, a pressing disc moving chamber 1320 and a connection fixing sheet accommodating chamber 1330.

The connecting mechanism 30 comprises a connecting fixing piece 310, a pressing disc 320, a spring 330, a clamping piece 340, a limiting bead 350 and a sleeving piece 360; the connecting and fixing piece 310 is provided with a pressing plate accommodating hole 3110 and is fixed in a connecting and fixing piece accommodating cavity 1330 of the rule head 10; the periphery of the pressing disc 320 is provided with annular clamping edges 3210, the pressing disc 320 is also provided with a limiting column 370, and the limiting column 370 is provided with an annular limiting clamping groove 3710; the clamping piece 340 is provided with a limit bead accommodating hole 3410, the bottom of the clamping piece 340 is also provided with an annular spring accommodating groove 3420, and the middle of the clamping piece 340 is also provided with a limit column accommodating hole 3430;

the pressing plate 320 is placed in the pressing plate accommodating hole 3110, and the annular clamping edge 3210 thereof is erected on the connecting fixing sheet 310; the spring 330 is sleeved on the limit post 370, one end of the spring is arranged at the top of the pressing plate 320, the other end of the spring is abutted with the spring accommodating groove 3420, and the clamping piece 340 is arranged in the clamping piece accommodating cavity 1310; by pressing the spring 330, the pressing plate 320 can be made to move up and down within the pressing plate moving chamber 1320;

the socket piece 360 is sleeved on the clamping piece 340 and is fixed on the fixed disc 210;

the limit post 370 penetrates into the limit post accommodating hole 3430; the socket 360 is provided with an annular limit groove 3610 at the limit bead receiving hole 3410, and the limit posts 370 and the limit groove 3610 limit the limit bead 350 to the limit bead receiving hole 3410.

Two of the sides of the rule head 10 are inclined at an angle of 45 deg..

The gauge head 10 has a thickness of 12.7cm and a height of 50.8cm.

The rule head 10 is further provided with two adjusting screws 130, and the two adjusting screws 130 penetrate into the holding tray accommodating groove 110 from the left side and the right side respectively and are abutted against the side face of the holding tray 210.

The drill sleeve 2660 can select drill sleeves 2660 with different apertures, and is suitable for drill bits with different sizes; drill sleeve 2660 is also provided with drill brush hole 26610 for holding a brush.

The application method of the T-shaped multifunctional ruler comprises the following steps:

1. method of removing and installing the blade 10 and blade 20:

when the rule head 10 and the rule body 20 are in the installation state, one end of the spring 330 presses the top of the pressing disc 320, the other end of the spring pushes the clamping piece 340 against, at the moment, the spring 330 presses the pressing disc 320 to the lowest limit through the elastic tension of the spring 330, and pushes the clamping piece 340 against the highest limit; at this time, the spacing bead 350 is limited in the spacing bead receiving hole 3410, and the spacing post 370 locks the spacing bead 350 in the spacing groove 3610, so that the rule head 10 and the rule body 20 can be fixed together through the locking relationship between the spacing bead 350 and the spacing groove 3610.

When the push plate 320 is detached, the push plate 320 moves upwards in the push plate movable cavity 1320, and when the limit clamping groove 3710 on the limit post 370 aligns with the limit bead 350, an upward pulling force is applied to the ruler 20, and at this time, the sleeve piece 360 moves upwards, so that the limit bead 350 can be pushed into the limit clamping groove 3710. At this time, the spacing bead 350 is disengaged from the spacing groove 3610, and the removal of the blade 10 and blade 20 is completed.

2. The ruler head 10 is used as a measuring standard block:

the two sides of the ruler head 10 can measure 45 degrees; the thickness of the film can be measured by a distance of 12.7cm, which is equivalent to 5 inches; the height of which can be measured at a distance of 50.8cm, corresponding to 20 inches.

3. The use method of the ruler body 20 circle drawing function comprises the following steps:

the zero positioning mechanism 240 is used for positioning the zero scale of the measuring ruler, and when the positioning base 2410 is moved to the top end of the limiting chute 230, the positioning needle 2420 is aligned with the zero scale of the measuring ruler 220, and the positioning needle 2420 is screwed down to be fixed on the wood needing to draw a circle. The brush is placed into a brush hole 2520 in the brush base 2510, the brush on the brush fixing mechanism 250 is slid to the desired scale, and then the brush screw cap 2540 is screwed to fix the brush fixing mechanism 250. At this time, the zero positioning mechanism 240 is used as a stand bar, and the circle drawing function can be realized by rotating the ruler body 20. Different radiuses can be flexibly selected through the sliding painting brush fixing mechanism, and circles with different sizes can be drawn.

4. The using method of the punching function comprises the following steps:

the ruler head 10 can be used as a backer to be abutted against one side of the wood, and the zero scale of the measuring ruler 220 is aligned with one side of the wood;

the corresponding size of the bit sleeve 2660 is selected as desired and the corresponding bit is placed within the bit sleeve 2660. The drill bit securing mechanism 260 is slid to the drill bit to the designated drilling position, and the drill bit screw cap 2650 is tightened to secure it and then the hole is drilled. The position needing to be punched can be flexibly selected through the sliding drill bit fixing mechanism, and drill bit sleeves with different apertures can be selected to adapt to drill bits with different sizes.

5. The using method of drawing a straight line by using the scale hole comprises the following steps:

the ruler head 10 can be used as a backer to be abutted against one side of the wood, and the zero scale of the measuring ruler 220 is aligned with one side of the wood; the painting brush is penetrated into the corresponding scale hole, and the ruler head 10 slides along one side of the wood to draw a straight line on the required distance.

Description of effects:

1. the T-shaped multifunctional ruler has the advantages that the ruler head and the ruler body are detachably mounted through the connecting mechanism, the ruler head and the ruler body can be detached for use respectively when in use, and the ruler head and the ruler body can be combined into one for use, so that functions of common straight line drawing and the like can be met, and different use scenes can be met through multifunctional use;

2. the T-shaped multifunctional ruler is characterized in that a ruler body is provided with a zero position positioning mechanism, a painting brush fixing mechanism and a drill bit fixing mechanism; when the ruler body is used independently, the zero positioning mechanism is used for positioning zero scales of the measuring ruler, at the moment, the painting brush fixing mechanism is used for fixing the painting brush and sliding to the needed scales and then fixing the painting brush, the zero positioning mechanism can be used as a supporting leg, the circle drawing function can be realized by rotating the ruler body, and circles with different sizes can be drawn by flexibly selecting different radiuses through the sliding painting brush fixing mechanism;

3. the T-shaped multifunctional ruler can be used as a measuring standard block, and the two side faces of the T-shaped multifunctional ruler can measure an angle of 45 degrees; the thickness of the film can be measured by a distance of 12.7cm, which is equivalent to 5 inches; the height of the device can be measured by 50.8cm, which is equivalent to 20 inches; the common woodworking cutting size and saw blade adjusting angle are met;

4. when the T-shaped multifunctional ruler is used by combining the ruler head and the ruler body, the ruler head can be used as a backer, and a drawing pen can be penetrated into a corresponding scale hole to draw a straight line on a required distance; the drill bit is arranged in the drill bit fixing mechanism, so that the drill bit can be punched on the corresponding length, the position needing to be punched can be flexibly selected through the sliding drill bit fixing mechanism, and drill bit sleeves with different apertures can be selected to adapt to drill bits with different sizes.

The technical solution and effects of the present utility model have been described in detail with reference to the drawings and the specific embodiments of the present utility model, it should be noted that the specific embodiments disclosed in the specification are only preferred embodiments of the present utility model, and other embodiments may be developed on the basis of the above description by those skilled in the art; any simple modification and equivalent substitutions without departing from the innovative concepts of the present utility model are intended to be covered by the present utility model, falling within the protective scope of the patent.

Claims (10)

1. A T-shaped multifunctional ruler is characterized in that:

the ruler comprises a ruler head (10) and a ruler body (20), wherein the ruler body (20) is detachably fixed on the ruler head (10) through a connecting mechanism (30), and the ruler head and the ruler body are mutually perpendicular;

the blade (20) comprises a fixed disc (210) and a measuring scale (220); the measuring rule (220) comprises a first bevel rule (2210), a second bevel rule (2220), a first plane rule (2230) and a second plane rule (2240); scale marks are carved on the surfaces of the first inclined plane ruler (2210) and the second inclined plane ruler (2220); scale holes are formed in positions of the first plane ruler (2230) and the second plane ruler (2240) corresponding to scale marks of the first inclined plane ruler (2210) and the second inclined plane ruler (2220);

a limit chute (230) is further arranged in the middle of the measuring ruler (220), and annular flanges (2310) are arranged on the periphery of the inner wall of the limit chute (230); the annular flange (2310) is slidably connected with a zero positioning mechanism (240), a painting brush fixing mechanism (250) and a drill bit fixing mechanism (260); the zero positioning mechanism (240) is used for positioning zero graduation of the measuring ruler (220), the painting brush fixing mechanism (250) is used for fixing a painting brush, and the drill bit fixing mechanism (260) is used for fixing a drill bit or the painting brush.

2. A T-shaped multi-functional ruler according to claim 1, wherein:

the zero position positioning mechanism (240) comprises a positioning base (2410), a positioning needle (2420), a positioning screw column (2430) and a positioning screw cap (2440); the positioning needle passes through the positioning base (2410) and is fixed at one end of the positioning base (2410), and when the positioning base (2410) moves to the top end of the limiting chute (230), the positioning needle (2420) is aligned with the zero scale of the measuring ruler (220); a positioning screw column (2430) is further arranged on the positioning base (2410), and the positioning screw cap (2440) is fixed on the positioning screw column (2430) through threaded connection; when the set screw cap (2440) is screwed down, the set screw cap (2440) is abutted with the top surfaces of the annular flanges (2310) on two sides of the limiting chute (230), the upper surface of the positioning base (2410) is abutted with the bottom surfaces of the annular flanges (2310) on two sides of the limiting chute (230), and the zero-position positioning mechanism (240) is hung on the annular flanges (2310) and is arranged in the limiting chute (230).

3. A T-shaped multi-functional ruler according to claim 2, wherein:

the painting brush fixing mechanism (250) comprises a painting brush base (2510), a painting brush hole (2520) and a painting brush screw post (2530) which are arranged on the painting brush base (2510), and a painting brush screw cap (2540);

the painting brush screw cap (2540) is fixedly connected to the painting brush screw column (2530) through threads; when screwing up the painting brush screw cap (2540), the painting brush screw cap (2540) is abutted with the top surfaces of annular flanges (2310) on two sides of the limiting chute (230), the upper surface of the painting brush base (2510) is abutted with the bottom surfaces of the annular flanges (2310) on two sides of the limiting chute (230), and the painting brush fixing mechanism (250) is hung on the annular flanges (2310) and is arranged in the limiting chute (230).

4. A T-shaped multi-purpose ruler as claimed in claim 3, wherein:

the drill bit fixing mechanism (260) comprises a drill bit base (2610) and a drilling sleeve cover (2620); a drill screw column (2630) and a through hole (2640) are further arranged on the drill base (2610); the two sides of the drilling sleeve cover (2620) are respectively provided with a claw (26210), the drilling sleeve cover (2620) is also provided with a drill hole (26220) and a screw hole (26230), and a drill sleeve (2660) is detachably fixed in the drill hole (26220); the bottom of the drill bit hole (26220) is also provided with an annular convex column (26240); the clamping jaw (26210) is respectively arranged on the first inclined plane ruler (2210) and the second inclined plane ruler (2220), and the annular convex column (26240) penetrates through the through hole (2640); the drill screw column (2630) penetrates through the screw hole (26230), and a drill screw cap (2650) is fixed to the top end of the drill screw column (2630);

when the drill screw cap (2650) is screwed down, the bottom surface of the drill sleeve cover (2620) is respectively abutted with the top surfaces of the annular flanges (2310) on the two sides of the limiting chute (230) and the upper surface of the brush base (2510), the upper surface of the brush base (2510) is also abutted with the bottom surfaces of the annular flanges (2310) on the two sides of the limiting chute (230), and the drill fixing mechanism (260) is hung on the annular flanges (2310) and is arranged in the limiting chute (230).

5. The T-shaped multi-purpose ruler of claim 4, wherein:

the top surface of the ruler head (10) is provided with a fixed disc accommodating groove (110); the ruler head (10) is further provided with a connecting mechanism accommodating cavity (120) penetrating through the fixed disc accommodating groove (110), and the connecting mechanism accommodating cavity (120) is divided into a clamping piece accommodating cavity (1210), a pressing disc moving cavity (1220) and a connecting fixing piece accommodating cavity (1230).

6. The T-shaped multi-purpose ruler of claim 5, wherein:

the connecting mechanism (30) comprises a connecting fixing piece (310), a pressing disc (320), a spring (330), a clamping piece (340), a limiting bead (350) and a sleeving piece (360);

the connecting fixing piece (310) is provided with a pressing plate accommodating hole (3110) and is fixed in a connecting fixing piece accommodating cavity (1230) of the ruler head (10);

annular clamping edges (3210) are arranged around the pressing disc (320), a limiting column (370) is further arranged on the pressing disc (320), and an annular limiting clamping groove (3710) is formed in the limiting column (370);

the clamping piece (340) is provided with a limit bead accommodating hole (3410), the bottom of the clamping piece is also provided with an annular spring accommodating groove (3420), and a limit column accommodating hole (3430) is also arranged in the middle of the clamping piece (340);

the pressing disc (320) is arranged in the pressing disc accommodating hole (3110), and the annular clamping edge (3210) of the pressing disc is supported on the connecting fixing piece (310); the spring (330) is sleeved on the limit column (370), one end of the spring is arranged at the top of the pressing disc (320), the other end of the spring is abutted with the spring accommodating groove (3420), and the clamping piece (340) is arranged in the clamping piece accommodating cavity (1210); by pressing the spring (330), the pressing plate (320) can be made to move up and down within the range of the pressing plate moving chamber (1220);

the sleeving piece (360) is sleeved on the clamping piece (340) and is fixed on the fixed disc (210); the limit post (370) penetrates into the limit post accommodating hole (3430); the socket joint piece (360) is located at the position of the limit bead accommodating hole (3410) and is provided with an annular limit groove (3610), and the limit column (370) and the limit groove (3610) limit the limit bead (350) in the limit bead accommodating hole (3410).

7. The T-shaped multi-purpose ruler of claim 6, wherein: two side surfaces of the ruler head (10) are inclined surfaces with an angle of 45 degrees.

8. The T-shaped multi-purpose ruler of claim 7, wherein: the thickness of the ruler head (10) is 12.7cm, and the height is 50.8cm.

9. The T-shaped multi-purpose ruler of claim 8, wherein: the ruler head (10) is further provided with two adjusting screws (130), and the two adjusting screws (130) penetrate into the fixed disc accommodating groove (110) from the left side and the right side respectively and are abutted against the side face of the fixed disc (210).

10. The T-shaped multi-purpose ruler of claim 9, wherein: the drill sleeve (2660) can be used for selecting drill sleeves (2660) with different apertures, and is suitable for drill bits with different sizes; the drill sleeve (2660) is also provided with a drill brush hole (26610) for fixing a brush.