CN107662229A - Pressure-sensitive foldable electronic multifunctional grating positioning cutting ruler - Google Patents

Abstract

The invention discloses a pressure-sensitive foldable electronic multifunctional grating positioning cutting ruler, which comprises a connecting plate, a connecting shaft, a measuring ruler main body and a clamping mechanism, wherein the connecting shaft comprises an upper shaft, a lower shaft and a limiting ring, wherein the upper shaft, the lower shaft and the limiting ring are of a hollow structure; the upper shaft and the lower shaft are mutually sleeved, and the connecting plate is mutually meshed and connected with the connecting shaft; the measuring tape main body is connected with the connecting plate, a T-shaped sliding groove and a capacitance type pressure sensor are arranged on the inner side of the measuring tape main body, and a cutting tool sliding frame is arranged on the T-shaped sliding groove; the grating launching device is arranged on the cutting tool sliding frame; the clamping mechanism comprises a tension spring and a C-shaped pressing plate. The pressure-sensitive foldable electronic multifunctional grating positioning cutting ruler provided by the invention has the advantages of reasonable structure, simple structure, convenience in use, safety, reliability, convenience in storage, easiness in positioning, high precision and the like, and effectively solves the problem of low cutting precision of the existing cutting tool.

Description

A pressure-sensitive foldable electronic multifunctional grating positioning cutting ruler

technical field

The invention relates to the field of cutting rulers, in particular to a pressure-sensitive foldable electronic multifunctional grating positioning cutting ruler.

Background technique

In the known technology, the cutting and cutting of flexible cloth materials and paper are usually operated with separate knives and rulers. Although the effect of cutting materials can also be achieved, due to the fact that the knives and rulers are not fixed during the cutting process, a little carelessness It is possible to cut the hand holding the ruler. The knife is limited by the flatness of the operating platform and operation errors, and it is easy to cut crookedly; in addition, limited by the length of the ruler, the cutting of the above-mentioned materials for long distances can only be done by professional large-scale cutting equipment; in addition, the existing ruler cannot cut the precise angle and length, but can only cut side by side. Therefore, it is necessary to invent a cutting ruler that is safe, reliable, convenient to store, easy to locate, high in precision and capable of simultaneously cutting two sides at a certain angle.

Contents of the invention

The technical problem to be solved by the present invention is: in order to overcome the above-mentioned problems, a pressure-sensitive foldable electronic multifunctional grating positioning cutting ruler is provided, which has a reasonable structure, simple structure, convenient use, safety and reliability, and convenient storage. , easy positioning, high precision and other advantages, effectively solve the problem of low precision of existing cutting and cutting tools.

The technical solution adopted by the present invention to solve the technical problem is: a pressure-sensitive foldable electronic multifunctional grating positioning cutting ruler, including a connecting plate, a connecting shaft, a measuring ruler body and a clamping mechanism, and the connecting plate is provided with There are through holes, and internal teeth are arranged in the through holes;

The connecting shaft includes an upper shaft, a lower shaft and a limit ring with a hollow structure; the upper shaft and the lower shaft are socketed with each other, and outwardly protruding rings are respectively provided at the joints of the upper shaft and the lower shaft; The limit ring is composed of two arc-shaped plates, and the arc-shaped plates are provided with ring grooves; the arc-shaped plates are engaged with each other through the ring grooves and the convex ring, and the arc-shaped plates are fixedly connected with the lower shaft; The upper end surface of the upper shaft and the lower end surface of the lower shaft are respectively fixed with limiting plates; the upper shaft and the lower shaft are provided with external teeth, and the connecting plates are connected through internal teeth and external teeth;

The inner cavity of the lower shaft is provided with a rotary encoder, and the rotary encoder is fixedly connected with the upper shaft; the inner cavity of the upper shaft is provided with a microcontroller and a battery; the microcontroller is connected with the battery, the rotary The encoders are electrically connected to each other;

The outer side of the main body of the measuring ruler is provided with an inclined surface, the inclined surface is provided with a pressure-sensitive touch screen, the inner side of the main body of the measuring ruler is provided with a T-shaped chute and a capacitive pressure sensor, and the T-shaped chute is provided with a cutting tool sliding frame; The cutting tool sliding frame includes a T-shaped slider slidingly connected to the T-shaped chute, a handle connected to the T-shaped slider, a pressing plate arranged on the handle, a cutting tool and a grating emission device arranged close to the cutting tool ;

The grating emission device includes an upper casing with a cylindrical structure and a lower casing with a fan-shaped structure; a battery, a laser diode, and a concave lens arranged below the laser diode are arranged in the upper casing, and the upper casing is also provided with a The control switch, the battery, the laser diode, and the control switch are electrically connected in series; the bottom of the lower housing is provided with an opening for light to pass through;

The main body of the measuring scale is also provided with an LED display; the LED display, the capacitive pressure sensor, and the pressure-sensitive touch screen are electrically connected to the microcontroller;

The clamping mechanism includes a tension spring and a C-shaped pressure plate; the tension spring is nested with the limit ring, and the upper end of the C-shaped pressure plate is nested with the limit ring and connected with the upper end of the tension spring Butt against each other.

Further, the connecting plate and the main body of the measuring scale are an integral structure.

Further, the limit plate arranged on the upper end surface of the upper shaft is inlaid with a push-type switch, and the push-type switch is electrically connected with the microcontroller.

Further, the limiting plate arranged on the lower end surface of the lower shaft is provided with a groove for accommodating the lower end of the C-shaped pressing plate.

Further, the surface of the capacitive pressure sensor is provided with a covering layer, and the covering layer is made of gel or glass.

Further, the bottom of the upper shaft is provided with a connection hole, and a rubber sleeve is provided in the connection hole, and the detection end of the rotary encoder is engaged with the rubber sleeve.

Further, the T-shaped slider is provided with an elastic plate, and the elastic plate abuts against the bottom of the T-shaped chute.

Further, the main body of the measuring scale is fixedly provided with a plug for preventing the sliding frame of the cutting tool from slipping out.

The beneficial effects of the present invention are: a pressure-sensitive foldable electronic multifunctional grating positioning cutting ruler, including a connecting plate, a connecting shaft, a measuring ruler body and a clamping mechanism, the measuring ruler body is hinged to each other through the connecting plate and the connecting shaft, and the folding The design is easy to store; the connecting shaft has the function of measuring the rotation angle of the main body of the measuring scale. The main body of the measuring scale is equipped with a pressure-sensitive touch screen, and the size of the material can be easily measured by clicking. The sliding frame of the cutting tool set on the main body of the measuring scale is stably fixed on T In the glyph chute, the cutting tool is prevented from hurting people. The grating emission device installed on the cutting tool sliding frame emits a positioning grating, which is beneficial to the cutting positioning of the cutting tool. The cutting tool sliding frame touches the capacitive pressure sensor and measures the cutting size, so that the cutting More accurate; at the same time, the main body of the measuring scale can be opened by rotating to a certain angle, and cutting can be performed on both sides of the angle at the same time; its structure is reasonable, simple in structure, easy to use, safe and reliable, convenient to store, easy to locate, and accurate High advantages, effectively solve the problem of low cutting precision of existing cutting tools.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is a schematic diagram of the overall structure of a pressure-sensitive foldable electronic multifunctional grating positioning and cutting ruler according to the present invention;

Fig. 2 is a schematic diagram of the connecting plate and the main body of the measuring ruler of a pressure-sensitive foldable electronic multifunctional grating positioning cutting ruler according to the present invention;

Fig. 3 is a schematic diagram of the connection structure of a pressure-sensitive foldable electronic multifunctional grating positioning and cutting ruler according to the present invention, a connecting plate, a connecting shaft, a main body of the measuring ruler and a clamping mechanism;

Fig. 4 is a schematic diagram of the connecting shaft structure of a pressure-sensitive foldable electronic multifunctional grating positioning cutting ruler according to the present invention;

Fig. 5 is a schematic diagram of the cross-sectional structure of the connecting shaft of a pressure-sensitive foldable electronic multifunctional grating positioning cutting ruler according to the present invention;

Fig. 6 is a structural schematic diagram of a limit ring of a pressure-sensitive foldable electronic multifunctional grating positioning cutting ruler according to the present invention;

Fig. 7 is a schematic diagram of the connection structure between the rotary encoder and the upper shaft of a pressure-sensitive foldable electronic multifunctional grating positioning cutting ruler according to the present invention;

Fig. 8 is a schematic diagram of the cross-sectional structure of the main body of the measuring ruler of a pressure-sensitive foldable electronic multifunctional grating positioning and cutting ruler according to the present invention;

Fig. 9 is a schematic structural diagram of a cutting tool sliding frame of a pressure-sensitive foldable electronic multifunctional grating positioning cutting ruler according to the present invention;

Fig. 10 is a structural schematic diagram of a grating emitting device of a pressure-sensitive foldable electronic multifunctional grating positioning and cutting ruler according to the present invention;

Fig. 11 is a structural schematic diagram of a capacitive pressure sensor of a pressure-sensitive foldable electronic multifunctional grating positioning cutting ruler according to the present invention.

The marks in the accompanying drawings are described as follows: 1, connecting plate, 11, through hole, 12, internal teeth, 2, connecting shaft, 20, external teeth, 21, push switch, 22, limit plate, 23, upper shaft, 231, rubber sleeve, 24, limit ring, 240, arc plate, 241, ring groove, 25, lower shaft, 251, protruding ring, 26, microcontroller, 27, battery, 28, rotary encoder, 29, Groove, 3, measuring ruler main body, 30, T-shaped chute, 31, pressure-sensitive touch screen, 32, capacitive pressure sensor, 321, covering layer, 33, cutting tool sliding frame, 331, handle, 332, cutting tool , 333, pressing plate, 334, elastic plate, 335, T-shaped slider, 336, grating emission device, 3361, upper casing, 3362, lower casing, 337, first battery, 338, laser diode, 339, concave lens, 34. LED display screen, 35. plug, 4. clamping mechanism, 41. tension spring, 42. C-shaped pressing plate.

Detailed ways

The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

A pressure-sensitive foldable electronic multifunctional grating positioning cutting ruler as shown in Figures 1 and 2 includes a connecting plate 1, a connecting shaft 2, a measuring ruler body 3 and a clamping mechanism 4, and the connecting plate 1 is A circular through hole 11 is provided, and internal teeth 12 are arranged in the through hole 11 .

As shown in Figures 3 to 6, the connecting shaft includes an upper shaft 23, a lower shaft 25 and a limit ring 24 with a hollow structure; the upper shaft 23 and the lower shaft 25 are mutually socketed, and the upper shaft 23, The joints of the lower shaft 25 are respectively provided with outward convex rings 251;

The limiting ring 24 is composed of two arc-shaped plates 240, and an annular groove 241 is arranged on the arc-shaped plate 240; the arc-shaped plate 240 is engaged with the convex ring 251 through the annular groove 241, and the arc The plate 240 is fixedly connected with the lower shaft 25;

In a possible embodiment, the upper shaft 23 is provided with an outward convex ring 251 at the connection with the lower shaft 25, and the lower shaft 25 is provided with an inwardly opening annular groove at the connection with the upper shaft 23, and the convex ring 251 interconnected with the ring groove.

The upper end surface of the upper shaft 23 and the lower end surface of the lower shaft 25 are respectively fixed with limiting plates 22; the upper shaft 23 and the lower shaft 25 are provided with external teeth 20, and the connecting plate 1 is formed by internal teeth 12 and the external teeth 20 are engaged with each other; in a possible embodiment, the connecting plate 1 is fixedly connected with the connecting shaft 2 through bolts.

The inner cavity of the lower shaft 25 is provided with a rotary encoder 28, and the rotary encoder 28 is fixedly connected with the upper shaft 23; the inner cavity of the upper shaft 23 is provided with a microcontroller 26 and a battery 27; The controller 26 is electrically connected with the battery 27 and the rotary encoder 28 .

As shown in FIG. 8 , an inclined surface is provided on the outside of the measuring scale main body 3 , a pressure-sensitive touch screen 31 is provided on the inclined surface, and a T-shaped chute 30 and a capacitive pressure sensor 32 are arranged on the inner side of the measuring scale main body 3 .

As shown in Figure 9, the T-shaped chute 30 is provided with a cutting tool sliding frame 33; the cutting tool sliding frame 33 includes a T-shaped slider 335 that is slidably connected to the T-shaped chute 30, and a T-shaped slider. 335 handles 331 connected to each other, a pressing plate 333 arranged on the handle 331 , a cutting tool 332 and a grating emitting device 336 arranged close to the cutting tool 332 .

As shown in Figures 9 and 10, the grating emitting device 336 includes an upper housing 3361 of a cylindrical structure and a lower housing 3362 of a fan-shaped structure; the upper housing 3361 is provided with a first battery 337, a laser The diode 338 and the concave lens 339 arranged below the laser diode 338, the upper housing 3361 is also provided with a control switch, the first battery 337, the laser diode 338, and the control switch are electrically connected in series; the bottom of the lower housing 3362 is provided There are openings for the passage of light.

As shown in Fig. 1 and Fig. 2, an LED display screen 34 is also arranged on the described measuring scale main body 3; electrically connected to each other;

The clamping mechanism 4 includes a tension spring 41 and a C-shaped pressure plate 42; the tension spring 41 is nested with the limit ring 24, and the upper end of the C-shaped pressure plate 42 is nested with the limit ring 24 And abut against the upper end of the tension spring 41 .

In one embodiment, the connecting plate 1 and the main body 3 of the measuring scale are an integral structure. In another embodiment, the connecting plate 1 is provided with a clamping groove, and the main body 3 of the measuring scale is provided with a clamping tenon, and the clamping groove and the clamping tenon are clamped and fixed to each other.

In one embodiment, the push-type switch 21 for controlling the working state of the present invention is inlaid and connected to the limit plate 22 arranged on the upper end surface of the upper shaft 23, and the push-type switch 21 is electrically connected with the microcontroller 26. connect. The operation of the present invention is controlled by operations such as single-click, multi-click, and long-press on the push switch 21, such as long-pressing to turn off the machine, and double-clicking to reset the measurement data.

In one embodiment, the limiting plate 22 disposed on the lower end surface of the lower shaft 25 is provided with a groove 29 for accommodating the lower end of the C-shaped pressing plate 42 . In another embodiment, the limit plate 22 on the lower end surface of the lower shaft 25 is provided with a non-slip mat made of rubber or other non-slip materials, and the material to be cut is clamped in the C-shaped pressing plate 42 during this use. When the invention is not in use, the C-shaped pressing plate 42 is retracted and stored.

In an embodiment as shown in FIG. 11 , the capacitive pressure sensor 32 is provided with a covering layer 321 on the surface, and the covering layer 321 is made of gel or glass.

In an embodiment as shown in Figure 7, the bottom of the upper shaft 23 is provided with a connection hole, and a rubber sleeve 231 is provided in the connection hole, and the detection end of the rotary encoder 28 is engaged with the rubber sleeve 231. . In another embodiment, a connecting sleeve is provided in the connecting hole, and the connecting sleeve is fixedly connected with the detecting end of the rotary encoder 28 .

In an embodiment as shown in Figure 9, the T-shaped slider 335 is provided with an elastic plate 334, the elastic plate 334 abuts against the bottom of the T-shaped chute 30, the elastic plate 334 can be made of plastic or alloy Made of thin sheets, the elastic plate 334 is pressed down when the present invention is in use, and the cutting tool is in contact with the material for cutting. When the present invention is not in use, the elastic plate 334 lifts the cutting tool to prevent the knife from being exposed and hurting people.

In an embodiment as shown in FIG. 1 , a plug 35 for preventing the sliding frame 33 of the cutting tool from sliding out is fixedly arranged on the main body 3 of the measuring scale. In another possible embodiment, the T-shaped chute 30 is opened by one end of the measuring scale body 3 connected to the connecting plate 1, the opening of the T-shaped chute 30 is blocked by the connecting shaft 2, and the other end of the measuring scale body 3 Can't get through.

A pressure-sensitive foldable electronic multifunctional grating positioning cutting ruler according to the present invention includes a connecting plate, a connecting shaft, a measuring ruler body and a clamping mechanism. The measuring ruler body is hinged to each other through the connecting plate and the connecting shaft, and the folding design is easy. Storage; the connecting shaft has the function of measuring the rotation angle of the main body of the measuring scale. There is a pressure-sensitive touch screen on the main body of the measuring scale. In the groove, to prevent the cutting tool from hurting people, the grating emission device installed on the cutting tool sliding frame emits a positioning grating, which is beneficial to the cutting positioning of the cutting tool. The cutting tool sliding frame touches the capacitive pressure sensor and measures the cutting size, making the cutting more accurate ;At the same time, the main body of the measuring scale can be opened by rotating to a certain angle, and cutting can be performed on the two sides of the angle at the same time; its structure is reasonable, and it has the advantages of simple structure, convenient use, safety and reliability, convenient storage, easy positioning, and high precision. , effectively solve the problem of low cutting precision of existing cutting tools.

Inspired by the above-mentioned ideal embodiment according to the present invention, through the above-mentioned description content, relevant workers can make various changes and modifications within the scope of not departing from the technical idea of the present invention. The technical scope of the present invention is not limited to the content in the specification, but must be determined according to the scope of the claims.

Claims (8)

1. A pressure-sensitive foldable electronic multifunctional grating positioning and cutting ruler is characterized in that: comprising connecting plate (1), connecting shaft (2), measuring ruler main body (3) and clamping mechanism (4), the described The connecting plate (1) is provided with through holes (11), and internal teeth (12) are arranged in the through holes (11); The connecting shaft includes an upper shaft (23), a lower shaft (25) and a limit ring (24) with a hollow structure; the upper shaft (23) and the lower shaft (25) are mutually socketed, and the upper shaft ( 23), the joints of the lower shaft (25) are respectively provided with outward protruding rings (251); the limit ring (24) is composed of two arc-shaped plates (240), and the arc-shaped plates (240) are provided with There is an annular groove (241); the arc-shaped plate (240) is engaged with the protruding ring (251) through the annular groove (241), and the arc-shaped plate (240) is fixedly connected with the lower shaft (25) ; The upper end surface of the upper shaft (23) and the lower end surface of the lower shaft (25) are respectively fixed with a limit plate (22); the upper shaft (23) and the lower shaft (25) are provided with external teeth ( 20), the connecting plate (1) is connected to each other through internal teeth (12) and external teeth (20); The inner cavity of the lower shaft (25) is provided with a rotary encoder (28), and the rotary encoder (28) is fixedly connected with the upper shaft (23); the inner cavity of the upper shaft (23) is provided with a micro-controller Device (26), battery (27); Described micro-controller (26) is mutually electrically connected with battery (27), rotary encoder (28); The outer side of the measuring scale main body (3) is provided with an inclined surface, the inclined surface is provided with a pressure-sensitive touch screen (31), and the inner side of the measuring ruler main body (3) is provided with a T-shaped chute (30) and a capacitive pressure sensor (32 ), the T-shaped chute (30) is provided with a cutting tool sliding frame (33); the cutting tool sliding frame (33) includes a T-shaped slide block (335) that is slidably connected to the T-shaped chute (30) , a handle (331) connected to the T-shaped slider (335), a pressing plate (333) arranged on the handle (331), a cutting tool (332) and a grating emission device (336) arranged close to the cutting tool (332) ); The grating emitting device (336) comprises an upper casing (3361) of cylindrical structure and a lower casing (3362) of fan-shaped structure; the first battery (337), The laser diode (338) and the concave lens (339) arranged below the laser diode (338), the upper casing (3361) is also provided with a control switch, the first battery (337), the laser diode (338), and the control switch are connected in series electrical connection; the bottom of the lower housing (3362) is provided with an opening for the passage of light; Described scale main body (3) is also provided with LED display screen (34); Described LED display screen (34), capacitive pressure sensor (32), pressure sensitive touch screen (31) are connected with microcontroller (26) mutual electrical connection; The clamping mechanism (4) includes a tension spring (41) and a C-shaped pressing plate (42); the tensioning spring (41) is nested with the limit ring (24), and the C-shaped pressing plate (42) ) is nested with the limit ring (24) and abuts against the upper end of the tension spring (41). 2. A pressure-sensitive foldable electronic multifunctional grating positioning and cutting ruler according to claim 1, characterized in that: the connecting plate (1) and the measuring ruler main body (3) are of an integrated structure. 3. A pressure-sensitive foldable electronic multifunctional grating positioning and cutting ruler according to claim 1, characterized in that: the limit plate (22) arranged on the upper end surface of the upper shaft (23) is inlaid and connected with The push switch (21), the push switch (21) is electrically connected with the microcontroller (26). 4. A pressure-sensitive foldable electronic multifunctional grating positioning and cutting ruler according to claim 1, characterized in that: the limit plate (22) arranged on the lower end surface of the lower shaft (25) is provided with a Receive the groove (29) at the lower end of the C-shaped pressing plate (42). 5. A pressure-sensitive foldable electronic multifunctional grating positioning and cutting ruler according to claim 1, characterized in that: the surface of the capacitive pressure sensor (32) is provided with a covering layer (321), and the covering layer ( 321) Made of gel or glass. 6. A pressure-sensitive foldable electronic multifunctional grating positioning and cutting ruler according to claim 5, characterized in that: the bottom of the upper shaft (23) is provided with a connecting hole, and a rubber sleeve ( 231), the detection end of the rotary encoder (28) is engaged with the rubber sleeve (231). 7. A pressure-sensitive foldable electronic multifunctional grating positioning and cutting ruler according to claim 1, characterized in that: said T-shaped slider (335) is provided with an elastic plate (334), the elastic plate ( 334) is to abut against each other with the T-shaped chute (30) bottom. 8. A pressure-sensitive foldable electronic multifunctional grating positioning cutting ruler according to claim 1, characterized in that: the main body (3) of the measuring ruler is fixedly provided with a sliding frame (33) for preventing the cutting tool from Plug (35) that slides out.