39 results about "Set square" patented technology

The invention discloses an improved triangular rule which comprises a rule body, a backing plate is rotationally arranged on any side of the rule body, and a locking device used for fixing the backing plate at a target angle is arranged on the rule body or the backing plate; a sliding groove is formed in the ruler body, a sliding block is arranged in the sliding groove in a sliding mode, and a penetrating hole used for installing a drawing pen is formed in the sliding block. The sliding block can be in pressing fit with the sliding groove at any position in the sliding groove. Through the rotatable backer plate, the ruler body can be used as a normal set square, when the backer needs to be used, the angle between the backer plate and the ruler body is changed by rotating the backer plate so as to be matched with the edge needing to abut against, and the multifunctional ruler can be suitable for table top edges with different angles.

The utility model discloses a set square woodworking ruler which comprises a set square main body, the set square main body is provided with a plurality of distance measuring edges with thicknesses, at least one side of each distance measuring edge is provided with a scale surface for measuring, a positioning piece is detachably fixed on the set square main body, and the positioning piece is provided with an indicating surface. And the indicating surface is vertical to the distance measuring edge and longitudinally positions the distance measuring edge. The utility model has the advantages that the scale marks can be accurately positioned on the surface of a workpiece, and the operation precision of a carpenter is improved; the position of the positioning piece is adjustable along the distance measuring edge, the tightness relative to the set square body is realized by rotating the stud, and the operation is convenient; the carrying is easy.

The invention relates to the use of a marking instrument (10; 10a), such as a ruler, set square, or protractor, to refine hand movements and increase the confidence and comfort of individuals who have difficulty automating hand gestures in time and space. The instrument comprises a main body (12) with one or more lateral marking elements (22), with one or more sliding systems (14, 15) and one or more gripping systems (16), and is constructed in several blocks. The main body (12) associated with the gripping system(s) (16) and the lateral marking elements (22) associated with the sliding system(s) (14, 15) are separate blocks, and the main body is actuated by pressure to perform a gripping action. Figure for the abstract: Fig. 14

The unwinding deviation rectifying device comprises a deviation rectifying sensor, a guide roller, a deviation rectifying roller, a connecting assembly and a linear moving mechanism, the deviation rectifying roller is arranged above a triangular plate and fixedly connected with the triangular plate, the guide roller is arranged above the rear portion of the deviation rectifying roller and parallel to the deviation rectifying roller, and the deviation rectifying sensor is arranged between the guide roller and the deviation rectifying roller and fixedly connected with the connecting assembly. The linear moving mechanism is arranged on the triangular plate on one side and the rack wall plate on the corresponding side and used for driving the triangular plate on one side to transversely and linearly move. The deviation rectifying sensor sends detection data to the power supply control system, and when it is detected that the unwinding material belt deviates from the unwinding center position of the equipment, the power supply control system sends a control instruction to the linear moving mechanism to control the linear moving mechanism to drive the unwinding device to linearly move leftwards or rightwards. And the unwinding material strip on the unwinding device returns to the unwinding center position of the equipment. According to the utility model, on-line real-time automatic deviation rectification is realized, and the deviation rectification efficiency and the deviation rectification precision are high.

1. Name of the product in this design: Triangle Ruler (02). 2. Purpose of this design: A tool for surveying. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

1. Name of the product in this design: Triangle ruler with bubble. 2. Purpose of this design: A tool for drawing and measuring dimensions. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model relates to the technical field of measuring tools, in particular to a metal set square ruler structure, which comprises an integrally formed triangular metal substrate, and is characterized in that the triangular metal substrate is integrally of an isosceles triangle structure and is provided with a first right-angle side, a second right-angle side and an inclined side, the first right-angle side, the second right-angle side and the bevel edge are all provided with continuous length scales, according to the metal set square ruler structure, the integrally-formed 6061 aluminum alloy base plate is combined with hard anodic oxidation treatment, the abrasion resistance and the structural strength are remarkably improved, and it is ensured that deformation is avoided after long-term use; metric / English dual-system scales are arranged on the three edges, different measurement requirements are met, oblique dimensions can be directly measured through the bevel edge scales, and the drawing flexibility is improved; a center hollow light-weight groove reduces the weight, meanwhile, three measurement channels extend, two of the three measurement channels are parallel to the right-angle side so that parallel lines can be drawn conveniently or positioning can be assisted, and the third channel provides oblique measurement support.

The invention discloses a clamp holder for clamping a large triangular plate, and belongs to the technical field of hoisting, towing and mooring of offshore large structures. Comprising a cross beam with a triangular frame, three corners of the cross beam are provided with clamps used for clamping triangular plates, the cross beam penetrates through the clamps and is rotationally connected with the clamps, the inner sides of the bottoms of the clamps are provided with supporting plates used for supporting the triangular plates, the tops of the clamps are provided with hoisting connecting holes used for being connected with a hoisting structure, and the inner side of the cross beam is fixedly provided with a supporting plate. A limiting screw capable of being adjusted up and down is arranged on the supporting plate and used for pressing the triangular plate. The characteristic that the clamps can rotate around the cross beam to be opened and closed is mainly utilized, the triangular plate can be enveloped in a loose state, synchronous clamping of the three clamps can be achieved when vertical force is applied through the sling, meanwhile, the triangular plate can be tightly clamped by rotating the limiting screw, design is scientific and reasonable, operation is convenient, and practicability is high.

The utility model discloses a mathematics drawing device, which relates to the technical field of mathematics drawing devices and comprises a protractor and a using mechanism, the using mechanism comprises a slot arranged at the top end of the protractor, a set square is placed in the slot, a connecting slot is arranged at the bottom end of the protractor, and the connecting slot is connected with the protractor. A ruler is rotationally connected into the connecting groove, and a containing box is stored in the ruler. The retracting and releasing mechanism is arranged in the protractor and used for retracting and releasing the containing box, by arranging the using mechanism, a user can use the set square by sliding out of the set square connected in the inserting groove in a magnetic attraction mode, and meanwhile the set square can be used by turning over the ruler retracted and released in the connecting groove. And the folding and unfolding mechanism comprises compasses arranged in the protractor, and the compasses are arranged in the protractor. The mathematics diagraph disclosed by the utility model has the effect of increasing the use multifunctionality of the diagraph.

The utility model relates to the technical field of teaching aids, and particularly discloses a foldable set square which comprises a left bevel edge plate and a right bevel edge plate which are symmetrically arranged, the close ends of the left bevel edge plate and the right bevel edge plate are movably connected through a hinged shaft, and the far ends of the left bevel edge plate and the right bevel edge plate are connected with triangular blocks. A first short edge and a second short edge are telescopically connected to the interiors of the left bevel edge plate and the right bevel edge plate respectively, the first short edge and the second short edge can rotate oppositely when sliding to the farthest end and form a triangular structure through end connection, and scale marks are arranged on the left bevel edge plate, the right bevel edge plate, the first short edge and the second short edge. According to the folding set square, the size of the folding set square is greatly reduced when the folding set square is not used, carrying and storage are more convenient, after the folding set square is unfolded, the size of the folding set square can meet the requirement for enough precision of the set square in the drawing process, and the use experience of a user can be effectively improved while the teaching effect is improved.

The utility model belongs to the technical field of verticality measurement, and discloses a verticality measuring device, which comprises a detection piece, a length edge connected with the detection edge and perpendicular to the detection edge, and a measuring piece, the side edge of the detection piece is provided with a detection edge used for being attached to a wall surface to be measured; the measuring rope is provided with scales; the plumb bob is used for straightening the measuring rope to be perpendicular to the horizontal plane; and the length of the telescopic rod is adjustable. According to the utility model, the telescopic rod is held by a hand to place the detection piece at a high position and the detection edge is attached to the wall surface to be detected, when the plumb is straightened by the measuring rope to be vertical to the horizontal plane, the horizontal distance from the plumb to the wall surface to be detected can be measured, and the length of the length edge of the right-angle triangular rule is known. The horizontal deviation of the test point and the wall body in the vertical range can be obtained; the vertical height from the test point to the vertical vertex can be measured by using the measuring rope, so that the horizontal deviation and the vertical height within the range of the test point and the vertical vertex can be known, and the perpendicularity can be obtained through trigonometric function calculation.

1. The name of the design product: function set ruler. 2. The use of the design product: the product is used for measurement and drawing work in the scene of mathematics learning, geometric drawing and engineering design, etc., and is a professional drawing tool integrating multiple functions. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: combined state reference drawing. 5. Other situations that need to be explained: set 1 is a ruler, set 2 is an isosceles right-angle triangle ruler, set 3 is a right-angle triangle ruler, and set 4 is a multifunctional ruler.

The utility model discloses a portable set square and aims to solve the problem that a set square is inconvenient to carry. According to the technical scheme, the triangular ruler comprises a triangular ruler body, the triangular ruler body comprises a fixed ruler rod, a first mounting rod and a second mounting rod, scale marks are arranged on the surfaces of the fixed ruler rod, the first mounting rod and the second mounting rod, and the first mounting rod and the second mounting rod are detachably connected with the fixed ruler rod; the ends, close to the fixed ruler rod, of the first mounting rod and the second mounting rod are fixedly connected with inserting pieces, the two ends of the fixed ruler rod are provided with inserting grooves allowing the inserting pieces on the two sides to be inserted, fixing assemblies used for fixing the inserting pieces are arranged in the inserting grooves, and a connecting assembly is arranged between the first mounting rod and the second mounting rod. According to the triangular rule, the three sides of the triangular rule are detached, and the mounting rod I and the mounting rod II are detachably connected with the fixed rule rod, so that the occupied area of the triangular rule during transfer is reduced, and the triangular rule is convenient to carry and store.

The utility model relates to the field of auxiliary marking tools, in particular to a multifunctional marking tool which comprises a set square, a rotating plate, a fixing plate and a connecting shaft, first scale marks are carved on one sides of two waists of the set square, oblique lines with proper lengths can be drawn, one end of the fixing plate is fixedly connected with the middle of the bottom of the longer side of the set square, and the other end of the fixing plate is fixedly connected with the connecting shaft. One end of the rotating plate is rotationally connected with the middle of the top of the long side of the triangular plate, one side of the fixed plate tightly abuts against one side of a product, drawing is carried out along a second groove in the top of the fixed plate in an extending mode, and a straight line can be drawn, a plurality of first round through holes are evenly formed in the middle of the rotating plate, and a scribing pen penetrates through the first round through holes. The scribing pen can draw an arc line on the surface of a product along with rotation of the rotating plate, the rotating plate is rotated to be located at a proper angle, the scribing pen draws an oblique line with a required angle along one side of the rotating plate, lines of different specifications and types can be drawn, the functions are diversified, and more convenience is achieved.

1. Name of this design product: Two-in-one semicircular triangle ruler. 2. Purpose of this design: For use as an adjustable gauge for woodworking measurements. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

1. Name of the designed product: the main body of a set square. 2. Use of the designed product: used as the main body of a set square. 3. Design points of the designed product: the shape of the part shown by solid lines in each view. 4. Picture or photo best indicating the design points: perspective view. 5. Other circumstances needing to be explained: the dotted lines in each view are shown for illustration and do not constitute the part claimed in the present design application.

1. The name of the design product: set square (W324). 2. The use of the design product: a tool for drawing and measuring size. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The utility model discloses a magnetic teaching aid for mathematics teaching, which relates to the technical field of teaching aids and comprises a set square, a plurality of mounting grooves are formed in one side of the set square, magnets are fixedly mounted in the mounting grooves, and sliding grooves are formed in the set square and located on the two sides in the mounting grooves. A sliding block is slidably mounted in the sliding groove, a fixing plate is fixedly mounted on one side of the sliding block, an L-shaped clamping plate is fixedly mounted on one side of the fixing plate, fixing grooves are formed in the two sides of the magnet, and a fixing screw rod is mounted in the fixing plate in a threaded mode; two fixing screw holes are formed in the portion, located on one side of the mounting groove, of the interior of the triangular plate, and the beneficial effects are that through the arrangement of the mounting groove, the magnet, the sliding groove, the sliding block, the fixing plate, the L-shaped clamping plate, the fixing groove, the fixing screw rods and the fixing screw holes, the magnet can be rapidly and conveniently disassembled and replaced, and use is more convenient and rapid.

Set square with a substantially transparent, triangular base body, characterized in that a circular, freely rotatable angle disc is integrated in the central area of ​​the set square, which has a scale from 0 to 180 degrees.

The invention relates to a tracing instrument, such as a ruler, set square or protractor comprising:- a handle (P) which comprises a handle body carrying locking feet (PB) equipped with locking structures (B);- a handle receptacle (RP) receiving the locking feet (PB) and the locking structures (B),- a tracing structure fixed to the handle receptacle (RP), comprising at least one tracing rim, the handle (P) being inserted into the handle receptacle (RP) towards a position for locking the tracing instrument on the support by means of the locking structures (B); and released towards a release position unlocks the tracing instrument. According to the invention, the locking structures (B) each comprise a pad receptacle (RPP) equipped with a pad (PP). The invention also relates to a method for manufacturing such a tracing instrument. Abstract figure: Fig. 3