CN216898854U

CN216898854U - Portable multifunctional measuring instrument

Info

Publication number: CN216898854U
Application number: CN202220328733.8U
Authority: CN
Inventors: 刘炼
Original assignee: China Construction Second Engineering Bureau Co Ltd
Current assignee: China Construction Second Engineering Bureau Co Ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-07-05
Anticipated expiration: 2032-02-18

Abstract

A portable multifunctional measuring instrument comprises a shell, an angle measuring component, a distance measuring component and a circuit component, wherein the angle measuring component, the distance measuring component and the circuit component are arranged on the shell, the shell is of a rod-shaped hollow shell structure, the angle measuring component comprises a measuring rod arranged on the top surface of the shell, a motor and an angle displacement sensor, the motor and the angle displacement sensor are arranged inside the shell, a fixing shaft is arranged on the bottom surface of the measuring rod, the bottom end of the fixing shaft penetrates through the shell and is fixedly connected with a rotor of the motor, a first gear is arranged on the fixing shaft, a second gear is arranged at the rotor end of the angle displacement sensor, and the first gear is meshed with the second gear; the circuit component comprises a control circuit board and a storage battery which are arranged inside the shell, and a display screen and a control button which are arranged on the top surface of the shell, the distance measuring component comprises a winding drum, a measuring belt, a synchronous roller wheel and a second angle displacement sensor which are arranged inside the shell, the winding drum is rotationally connected with the shell, the measuring belt is wound on the winding drum, and the distance measuring component is convenient to carry and simultaneously facilitates measuring the angle and the length of an object.

Description

Portable multifunctional measuring instrument

Technical Field

The utility model relates to the technical field of measuring instruments, in particular to a portable multifunctional measuring instrument.

Background

The engineering measuring instrument is suitable for surveying and mapping before building construction, is not suitable for measuring and inspecting buildings after building construction, has single function of part of measuring instruments, does not simultaneously have the functions of measuring the building angle and the building distance, does not have the light-emitting characteristic at night, and is inconvenient for workers to find and use when the measuring instruments are frequently switched to other tools for construction at night.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a portable multifunctional measuring instrument, and aims to solve the technical problems that the function of the measuring instrument is single and workers are inconvenient to find and use at night.

In order to realize the purpose, the utility model adopts the following technical scheme:

a portable multifunctional measuring instrument comprises a shell, an angle measuring component, a distance measuring component and a circuit component, wherein the angle measuring component, the distance measuring component and the circuit component are arranged on the shell, the shell is of a rod-shaped hollow shell structure, the angle measuring component comprises a measuring rod arranged on the top surface of the shell, a motor and an angular displacement sensor, the motor and the angular displacement sensor are arranged inside the shell, a fixing shaft is arranged on the bottom surface of the measuring rod, the bottom end of the fixing shaft penetrates through the shell and is fixedly connected with a rotor of the motor, a first gear is arranged on the fixing shaft, a second gear is arranged at the rotor end of the angular displacement sensor, and the first gear is meshed with the second gear; the circuit component comprises a control circuit board and a storage battery which are arranged inside the shell, and a display screen and a control button which are arranged on the top surface of the shell, wherein the storage battery, the display screen, the control button, the motor and the first angle sensor are all electrically connected with the control circuit board; the range finding part is including setting up reel, measuring tape, synchronous running roller and No. two angle displacement sensor inside the shell, the reel rotates with the shell to be connected, the measuring tape is convoluteed on the reel, synchronous running roller is for hugging closely two synchronous running rollers that measure the setting of taking two sides respectively, and two synchronous running rollers all rotate with the shell to be connected, be equipped with No. three gears on the synchronous running roller, No. two angle displacement sensor and control circuit board electric connection, No. two angle displacement sensor's rotor end is equipped with No. four gears, No. four gears are connected with No. three gear engagement.

Furthermore, an inward concave limiting groove is formed in the shell, a hook is arranged in the limiting groove, and the end, far away from the winding drum, of the measuring belt is fixedly connected with the hook.

Furthermore, an inward concave U-shaped groove is formed in the side wall of the shell, an LED lamp strip is arranged in the U-shaped groove and electrically connected with the storage battery, a sealing plate is arranged at the notch end of the U-shaped groove, and the sealing plate is a U-shaped transparent plate.

Furthermore, a button switch is arranged on the shell and connected to a loop of the LED lamp strip and the storage battery.

Furthermore, the control circuit board is provided with a control circuit, a processing circuit and a current relay, and the current relay is electrically connected with the motor.

Furthermore, the bottom end of the winding drum is rotatably connected with the bottom wall of the shell, a torsion spring is arranged between the top end of the winding drum and the shell, and the top end of the winding drum is rotatably connected with the top wall of the shell through the torsion spring.

Furthermore, the motor is RS-750 in model, the first angular displacement sensor is TDJ-3 in model, and the second angular displacement sensor is WDS15 in model.

Furthermore, the measuring rod is of a plate-shaped structure.

Compared with the prior art, the utility model has the following characteristics and beneficial effects:

the utility model is provided with an angle measuring component, when measuring the angle, the end of the angle measuring component of the shell is abutted against the corner, the motor drives the measuring rod to rotate through the fixed shaft, so that the measuring rod rotates from one side of the corner to the other side, the fixed shaft drives the rotor of the first angle displacement sensor to rotate through the first gear and the second gear, the first angle displacement sensor senses the rotation angle of the rotor to calculate the angle of the corner, the distance measuring component is arranged, when measuring the distance, the hook is pulled out from the left groove and hooked to play to pull out the measuring belt, the two synchronous rollers clamp the measuring belt and rotate along with the movement of the measuring belt, the synchronous rollers drive the rotor of the second angle displacement sensor to rotate through the third gear and the fourth gear, the second angle displacement sensor senses the rotation angle of the rotor to calculate the displacement distance of the measuring belt, the angle length of an object is convenient to carry and convenient to measure the angle of the object, set up LED lamp strip simultaneously, made things convenient for the workman to look for the use night, have characteristics such as safe, suitable for, have fine popularization and practical value, can produce good economic benefits after extensive popularization and application.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged view of a portion of the goniometric feature of FIG. 2;

fig. 4 is an enlarged view of a portion of the distance measuring part of fig. 2.

Reference numerals: 10. a housing; 11. a measuring rod; 12. a motor; 13. a first gear; 14. a first angular displacement sensor; 15. a second gear; 16. a control circuit board; 17. a storage battery; 18. a display screen; 19. a control button; 20. a U-shaped groove; 21. an LED light bar; 22. a sealing plate; 23. a push button switch; 24. a reel; 25. a measuring tape; 26. a limiting groove; 27. a hook; 28. a synchronous roller wheel; 29. a third gear; 30. a second angular displacement sensor; 31. and a fourth gear.

Detailed Description

In order to make the technical means, innovative features, objectives and functions realized by the present invention easy to understand, the present invention is further described below.

The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the utility model. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.

The utility model discloses a portable multifunctional measuring instrument, as shown in fig. 1 and fig. 2, comprising a shell 10, an angle measuring component and a distance measuring component which are arranged at two ends in the shell 10, and a circuit component arranged in the shell 10, wherein the shell 10 is in a rod-shaped hollow shell structure, the top surface of the shell 10 is a Z-shaped step surface comprising a high level surface and a low level surface, the angle measuring component comprises a measuring rod 11 arranged on the low level surface on the top surface of the shell 10, a motor 12 arranged in the shell 10, and an angular displacement sensor 14 arranged in the shell 10, the measuring rod 11 is in a plate-shaped structure, the top surface of the measuring rod 11 is flush with the high level surface on the top surface of the shell 10, the motor 12 and the angular displacement sensor 14 are both fixed in the shell 10 and under the measuring rod 11, the bottom surface of the measuring rod 11 is provided with a fixed shaft, the bottom end of the fixed shaft penetrates through the top surface of the shell 10 and is fixedly connected with a rotor of the motor 12, a first gear 13 is arranged on the fixed shaft, a second gear 15 is arranged at the rotor end of the first angular displacement sensor 14, the first gear 13 is meshed with the second gear 15, the motor 12 drives the measuring rod 11 to rotate through the fixed shaft, so that the measuring rod 11 rotates from one side of a corner to the other side, meanwhile, the fixed shaft drives the rotor of the first angular displacement sensor 14 to rotate through the first gear 13 and the second gear 15, the first angular displacement sensor 14 senses the rotation angle of the rotor, and the angle of the corner is calculated; the circuit component comprises a control circuit board 16 and a storage battery 17 which are arranged inside the shell 10, and a display screen 18 and a control button 19 which are arranged on the top surface of the shell 10, wherein the control circuit board 16 and the storage battery 17 are both fixed in the middle of the inside of the shell 10, the display screen 18 and the control button 19 are both fixed on a high-level surface on the top surface of the shell 10, the storage battery 17, the display screen 18, the control button 19, the motor 12 and the first angle sensor are all electrically connected with the control circuit board 16, and the control circuit board 16 controls the operation of the measuring instrument; the control circuit board 16 is provided with a control circuit, a processing circuit and a current relay, the current relay is electrically connected with the motor 12, when the rotor of the motor 12 is subjected to resistance, the current begins to increase, when the current of the motor 12 measured by the current relay reaches a preset value, the main circuit which rotates forwards is cut off, and then the main circuit which rotates backwards of the motor 12 is switched on, so that the position of the measuring rod 11 is induced, and the measuring rod 11 rotates between two measured surfaces; as shown in fig. 3, the side wall of the housing 10 is provided with an inward recessed U-shaped groove 20, the U-shaped groove 20 is located at a lower position of the housing 10, an LED light bar 21 is arranged in the U-shaped groove 20, the LED light bar 21 is electrically connected with the storage battery 17, the LED light bar 21 plays a role of illumination, a sealing plate 22 is arranged at a notch end of the U-shaped groove 20, the sealing plate 22 is a U-shaped transparent plate, the sealing plate 22 seals the U-shaped groove 20, the LED light bar 21 is protected, light of the LED light bar 21 penetrates out, the housing 10 is provided with a button switch 23, the button switch 23 is connected to a loop between the LED light bar 21 and the storage battery 17, and the button switch 23 controls a working state of the LED light bar 21.

As shown in fig. 2 and 4, the distance measuring component includes a winding drum 24, a measuring belt 25, a synchronous roller 28 and a second angular displacement sensor 30 which are arranged inside the housing 10, the winding drum 24, the measuring belt 25, the synchronous roller 28 and the second angular displacement sensor 30 are all located below a high level surface on the top surface of the housing 10, the bottom end of the winding drum 24 is rotatably connected with the bottom wall of the housing 10, a torsion spring is arranged between the top end of the winding drum 24 and the housing 10, and the top end of the winding drum 24 is rotatably connected with the top wall of the housing 10 through the torsion spring; the measuring tape 25 is wound on the reel 24; the synchronous rollers 28 are two synchronous rollers 28 respectively tightly attached to two sides of the measuring belt 25, the measuring belt 25 is clamped by the two synchronous rollers 28, two ends of the synchronous rollers 28 are respectively connected with the top wall and the bottom wall of the shell 10 in a rotating mode, and the synchronous rollers 28 rotate along with the movement of the measuring belt 25; second angle displacement sensor 30 and control circuit board 16 electric connection, be equipped with No. three gear 29 on the synchronous running roller 28, second angle displacement sensor 30's rotor end is equipped with No. four gear 31, No. four gear 31 is connected with No. three gear 29 meshing, drive synchronous running roller 28 when measuring the area 25 and remove and rotate, synchronous running roller 28 drives second angle displacement sensor 30's rotor through No. three gear 29 and No. four gear 31 and rotates, second angle displacement sensor 30 calculates the displacement distance of measuring the area 25 through the response rotor rotation, the tip that motor 12 was kept away from to shell 10 is equipped with the inwards sunken spacing groove 26 of half cylinder type, be equipped with hook 27 in the spacing groove 26, the tip and the hook 27 fixed connection of keeping away from reel 24 of measuring the area 25.

Preferably, the motor 12 is RS-750, the first angular displacement sensor 14 is TDJ-3, and the second angular displacement sensor 30 is WDS 15.

The working principle of the utility model is as follows: when the angle is measured, the end of the angle measuring part of the shell 10 is abutted to a corner, the motor 12 drives the measuring rod 11 to rotate through the fixed shaft, so that the measuring rod 11 rotates from one side of the corner to the other side, meanwhile, the fixed shaft drives the rotor of the first angle displacement sensor 14 to rotate through the first gear 13 and the second gear 15, and the first angle displacement sensor 14 senses the rotation angle of the rotor so as to calculate the angle of the corner; when measuring the distance, the hook 27 is pulled out from the limit groove 26 and hooked on the initial measuring point, the measuring belt 25 is pulled out, the two synchronous rollers 28 clamp the measuring belt 25 and rotate along with the movement of the measuring belt 25, the synchronous rollers 28 drive the rotor of the second angular displacement sensor 30 to rotate through the third gear 29 and the fourth gear 31, and the second angular displacement sensor 30 calculates the displacement distance of the measuring belt 25 by sensing the rotation of the rotor, so that the distance between the two points is measured.

The utility model is provided with an angle measuring component, when measuring the angle, the end of the angle measuring component of the shell is abutted against the corner, the motor drives the measuring rod to rotate through the fixed shaft, so that the measuring rod rotates from one side of the corner to the other side, the fixed shaft drives the rotor of the first angle displacement sensor to rotate through the first gear and the second gear, the first angle displacement sensor senses the rotation angle of the rotor to calculate the angle of the corner, the distance measuring component is arranged, when measuring the distance, the hook is pulled out from the left groove and hooked to play to pull out the measuring belt, the two synchronous rollers clamp the measuring belt and rotate along with the movement of the measuring belt, the synchronous rollers drive the rotor of the second angle displacement sensor to rotate through the third gear and the fourth gear, the second angle displacement sensor senses the rotation angle of the rotor to calculate the displacement distance of the measuring belt, the angle length of an object is convenient to carry and convenient to measure the angle of the object, meanwhile, the LED lamp strip is arranged, so that workers can find and use the LED lamp strip at night conveniently.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a portable multifunctional measuring instrument, includes shell (10), angle measurement part, range finding part and the circuit part of setting on shell (10), and shell (10) are shaft-like hollow shell structure, its characterized in that: the angle measuring component comprises a measuring rod (11) arranged on the top surface of the shell (10), a motor (12) and an angle displacement sensor (14) which are arranged inside the shell (10), a fixed shaft is arranged on the bottom surface of the measuring rod (11), the bottom end of the fixed shaft penetrates through the shell (10) and is fixedly connected with a rotor of the motor (12), a first gear (13) is arranged on the fixed shaft, a second gear (15) is arranged at the rotor end of the angle displacement sensor (14), and the first gear (13) is meshed with the second gear (15); the circuit component comprises a control circuit board (16) and a storage battery (17) which are arranged inside the shell (10), and a display screen (18) and a control button (19) which are arranged on the top surface of the shell (10), wherein the storage battery (17), the display screen (18), the control button (19), the motor (12) and the first angle sensor are all electrically connected with the control circuit board (16); the range unit is including setting up reel (24), measuring tape (25), synchronous running roller (28) and No. two angle displacement sensor (30) inside shell (10), reel (24) rotate with shell (10) and are connected, measuring tape (25) coiling is on reel (24), synchronous running roller (28) are for hugging closely two synchronous running roller (28) that measure tape (25) two sides and set up respectively, and two synchronous running roller (28) all rotate with shell (10) and are connected, be equipped with No. three gear (29) on synchronous running roller (28), No. two angle displacement sensor (30) and control circuit board (16) electric connection, the rotor end of No. two angle displacement sensor (30) is equipped with No. four gear (31), No. four gear (31) are connected with No. three gear (29) meshing.

2. A portable multifunction meter as in claim 1, wherein: the measuring device is characterized in that an inwards-concave limiting groove (26) is formed in the shell (10), a hook (27) is arranged in the limiting groove (26), and the end portion, far away from the winding drum (24), of the measuring belt (25) is fixedly connected with the hook (27).

3. A portable multifunction meter as in claim 1, wherein: the LED lamp is characterized in that an inwards-sunken U-shaped groove (20) is formed in the side wall of the shell (10), an LED lamp strip (21) is arranged in the U-shaped groove (20), the LED lamp strip (21) is electrically connected with the storage battery (17), a sealing plate (22) is arranged at the notch end of the U-shaped groove (20), and the sealing plate (22) is a U-shaped transparent plate.

4. A portable multifunction meter as in claim 1, wherein: the LED lamp is characterized in that a button switch (23) is arranged on the shell (10), and the button switch (23) is connected to a loop of the LED lamp bar (21) and the storage battery (17).

5. A portable multifunction meter as in claim 1, wherein: the control circuit board (16) is provided with a control circuit, a processing circuit and a current relay, and the current relay is electrically connected with the motor (12).

6. A portable multifunction meter as in claim 1, wherein: the bottom end of the winding drum (24) is rotatably connected with the bottom wall of the shell (10), a torsion spring is arranged between the top end of the winding drum (24) and the shell (10), and the top end of the winding drum (24) is rotatably connected with the top wall of the shell (10) through the torsion spring.

7. A portable multifunction meter as in claim 1, wherein: the motor (12) is selected from the model RS-750, the first angular displacement sensor (14) is selected from the model TDJ-3, and the second angular displacement sensor (30) is selected from the model WDS 15.

8. A portable multifunctional measuring instrument according to any one of claims 1 to 7, characterized in that: the measuring rod (11) is of a plate-shaped structure.