CN220153419U - Digital display tape measure - Google Patents

Abstract

The utility model discloses a digital display tape measure, which comprises a shell and a tape wound in the shell, wherein one side of the shell is provided with a tape outlet for the tape to extend out, the outer wall of the shell is provided with a display panel, and a control main board in control connection with the display panel and a roller type meter connected with the control main board in data communication are arranged in the shell.

Description

Digital display tape measure

Technical Field

The utility model relates to the technical field of ruler, in particular to the technical field of digital display tape measures.

Background

The tape measure is a common tool in daily life. Steel tape is often seen, and is a common tool for construction and decoration and is also a necessary tool for families. The utility model is divided into a fiber tape measure, a waistline scale, etc. Lu Banche, the square is also a steel tape. The flexible rule can be rolled up because the flexible rule is internally provided with the spring, when the length is measured by pulling out, the length of the ruler and the spring is actually lengthened, once the measurement is finished, the spring in the flexible rule automatically contracts, and the ruler also contracts under the action of the spring force, so that the flexible rule can be rolled up. However, the reading mode of the conventional tape measure is to read by directly visualizing the scale of the ruler through human eyes, so that the reading is inconvenient, the accuracy is high, and the scale is easy to read by mistake, so that the reading error is caused. In this regard, the chinese utility model patent No. CN201034519Y proposes a tape measure, which includes a tape case and a tape, wherein the tape (1) is disposed in the tape case in a coiled manner, and the tape case is provided with a roller (2), a roller counting device, and a counting display device (4); the tape is tightly attached to the roller (2), and when the tape moves, the surface of the roller moves at the same linear speed; the roller counting device records the movement condition of the roller and presents the movement condition to a user through the counting display device (4). This patent realizes electron count and electron demonstration through gyro wheel and gyro wheel counting assembly and tape cooperation, but on the tape travel route was located to the gyro wheel in this patent, did not have any structure that can drive tape and gyro wheel laminating between gyro wheel and the tape for laminating is inseparable between gyro wheel and the tape, and the gyro wheel probably can not guarantee synchronous activity between with the tape, influences measurement accuracy.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a digital display tape measure which can display electronic readings, is more convenient to use and has higher precision.

In order to achieve the above purpose, the utility model provides a digital display tape measure, which comprises a shell and a tape wound in the shell, wherein one side of the shell is provided with a tape outlet for the tape to extend out, the outer wall of the shell is provided with a display panel, a control main board in control connection with the display panel and a roller type meter in data communication connection with the control main board are arranged in the shell, the roller type meter comprises a metering roller attached to the tape in a winding state, one end of the roller type meter, which is far away from the metering roller, is hinged with the shell through a shaft body, the shaft body is provided with a torsion spring for driving the roller type meter to turn around the shaft body towards the tape, and the shell is internally provided with a storage battery in electric connection with the control main board and a control switch in control connection with the control main board.

Preferably, the control switch comprises a perimeter and diameter or radius change-over switch, a calculation module corresponding to the perimeter and diameter or radius change-over switch is arranged in the control main board, and the calculation module converts the readings into the perimeter, the radius or the diameter according to the readings of the roller type meter counter and through a perimeter and radius or diameter change-over formula.

Preferably, the control switch comprises a unit conversion switch, a unit conversion module corresponding to the unit conversion switch is arranged in the control main board, and the unit conversion module is used for converting the readings of the roller meter into international units or English units.

Preferably, a second reference surface is arranged on one side, far away from the ruler outlet, of the shell, a distance between the ruler outlet and the second reference surface is used as a rear reference size, the control switch comprises a front reference change-over switch and a rear reference change-over switch, the front reference change-over switch is used for controlling the display panel to display front reference reading or rear reference reading, the front reference reading directly displays the roller meter reading, and the rear reference reading displays the sum of the roller meter reading and the rear reference size.

Preferably, the control switch includes a hold switch for controlling the display panel to keep displaying a certain reading.

Preferably, the roller meter is arranged at one side of the shell away from the ruler outlet.

Preferably, the display panel is disposed on the upper side of the housing, and the setting direction of the display panel is the same as the extending direction of the tape after the tape extends out of the tape outlet.

Preferably, a battery compartment is arranged on one side of the shell, the storage battery is detachably arranged in the battery compartment, and a cover plate detachably connected with the battery compartment is arranged at the opening of the battery compartment.

Preferably, the roller meter is any one of a hall meter, a grating meter, an encoder meter, and a brush-sheet meter.

The digital display tape measure has the beneficial effects that: according to the utility model, the roller type meter counter is arranged in the shell and can be matched with the outer wall of the tape roll in a winding state, when the tape is pulled out, the tape roll rotates and drives the metering roller to rotate together, the roller type meter counter can calculate the extension length of the tape through the metering roller and display data through the display panel, so that electronic reading display is realized, the use is more convenient, the precision is higher, manual reading is not needed, one end of the roller type meter counter is provided with the shaft body and the torsion spring, and the roller of the roller type meter counter can keep being attached to the outer wall of the tape roll through the cooperation of the torsion spring and the shaft body, so that the synchronism with the tape roll is improved, and the precision is improved.

The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic perspective view of a digital tape measure according to the present utility model.

FIG. 2 is a schematic perspective view of a digital tape measure of the present utility model with a portion of the housing removed.

FIG. 3 is a schematic diagram of the front view of the tape measure of the present utility model with a portion of the housing removed.

FIG. 4 is a schematic view of the structure of the tape and the roller meter of the digital tape measure of the present utility model.

Fig. 5 is a schematic view of the front view of the digital tape measure of the present utility model with the housing removed.

Wherein:

1-a housing; 2-a tape; 3-a display panel; 4-a control main board; 5-roller type meter counter; 6-torsion springs; 7-a storage battery; 8-controlling a switch; 11-a ruler outlet; 12-a second datum plane; 13-a battery compartment; 14-cover plate; 81-circumference to diameter or radius switch; 82-front-rear reference switches; 83-unit change-over switch; 84-hold switch.

Detailed Description

The present utility model will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

In the description of the present utility model, it will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present utility model, it should be noted that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships in which the inventive product is conventionally placed in use, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The meaning of "a number" is one or more than one unless specifically defined otherwise.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

0025. Referring to fig. 1, 2, 3, 4 and 5, the digital display tape measure of the present utility model comprises a housing 1 and a tape 2 wound in the housing 1, wherein one side of the housing 1 is provided with a tape outlet 11 for the tape 2 to extend out, the outer wall of the housing 1 is provided with a display panel 3, the housing 1 is internally provided with a control main board 4 in control connection with the display panel 3 and a roller meter 5 in data communication connection with the control main board 4, the roller meter 5 comprises a metering roller 51 attached to the tape 2, one end of the roller meter 5 far away from the metering roller 51 is hinged with the housing 1 through a shaft 52, the shaft 52 is provided with a torsion spring 6 for driving the roller meter 5 to overturn around the shaft 52 towards the tape 2, the housing 1 is also internally provided with a storage battery 7 in electrical connection with the control main board 4, and the outer wall of the housing 1 is provided with a control switch 8 in control connection with the control main board 4. In this embodiment, through setting up roller meter ware 5 in the casing 1, roller meter ware 5 can with the tape 2 roll outer wall cooperation of winding the state, when the tape was taken out, tape 2 rolls up rotatory and drive measurement gyro wheel 51 and rotate together, roller meter ware 5 can calculate tape 2 through measurement gyro wheel 51 and stretch out the length, and show data through display panel 3, realize electronic reading and show, it is more convenient to use, the precision is higher, need not artifical reading, set up axis body 52 and torsional spring 6 with roller meter ware 5 one end, can make roller 51 of roller meter ware 5 keep laminating with tape 2 roll outer wall through torsional spring 6 and axis body 52 cooperation, improve with tape 2 rolls synchronism, thereby improve the precision.

Referring to fig. 1 and 2, the display panel 3 is disposed on the upper side of the housing 1, and the setting direction of the display panel 3 is the same as the extending direction of the tape 2 after extending out of the tape outlet 11. The display panel 3 faces to the user when the ruler is used, so that the ruler is convenient for reading, namely, the ruler tape 2 is convenient to measure, and reading is also convenient to be carried out through the display panel 3.

Referring to fig. 2 and 3, a battery compartment 13 is disposed on one side of the housing 1, the storage battery 7 is detachably disposed in the battery compartment 13, and a cover plate 14 detachably connected with the opening of the battery compartment 13 is disposed at the opening of the battery compartment. The storage battery 7 has low power supply cost, convenient use and convenient replacement.

Preferably, one end of the cover plate 14 is connected with the battery compartment 13 in a clamping manner, and the other end of the cover plate is detachably connected with the battery compartment 13 through a screw.

Example two

Referring to fig. 1 and 2, on the basis of the first embodiment, the control switch 8 includes a perimeter-to-diameter or radius switch 81, and a calculation module corresponding to the perimeter-to-diameter or radius switch 81 is built in the control main board 4, and the calculation module reads the data according to the roller-type meter 5 and converts the data into a perimeter, a radius or a diameter through a perimeter-to-radius or diameter conversion formula. The roller meter 5 can automatically convert the readings of the roller meter into circumference, radius or diameter data through the circumference and diameter or radius conversion switch 81, the use is more convenient, when the diameter or radius of a cylindrical object needs to be measured, the ruler tape 2 is only required to be pulled out and wound around the cylindrical object for one circle, the circumference is measured through the roller meter 5, the mode is switched to the circumference converted radius or diameter mode through the circumference and diameter or radius conversion switch 81, and the calculation module is used for calculating the circumference according to the formula: diameter = C +.pi or radius = C/2π converted to diameter or radius; when the circumference of the circle is required to be calculated by measuring the diameter or the radius of the cylindrical object, the tape 2 is only required to be drawn out to measure the radius or the diameter of the cylindrical object, the mode is switched to the circumference mode converted from the radius or the diameter through the circumference-to-diameter or radius conversion switch 81, and the calculation module is used for calculating the circumference according to the formula: circumference=pi R or circumference 2 pi R converts the circumference of the cylinder.

Referring to fig. 1 and 2, the control switch 8 includes a unit conversion switch 83, and a unit conversion module corresponding to the unit conversion switch 83 is disposed IN the control main board 4, where the unit conversion module is configured to convert the reading of the roller meter 5 into an international unit CM or an english unit IN. The measuring device meets the measuring requirements of various unit sizes, meets the reading requirements of various types, and is more convenient to use.

Referring to fig. 1 and 2, a second reference surface 12 is disposed on a side of the housing 1 away from the rule outlet 11, a distance between the rule outlet 11 and the second reference surface 12 is used as a back reference dimension, the control switch 8 includes a front-back reference change-over switch 82, the front-back reference change-over switch 82 is used for controlling the display panel 3 to display a front reference reading or a back reference reading, the front reference reading directly displays the reading of the roller meter 5, and the back reference reading displays a sum of the reading of the roller meter 5 and the back reference dimension. The reading mode of the front reference reading is the conventional reading mode, most of measuring requirements are used, the shell 1 is also used as a part of a ruler to calculate the measuring size during the rear reference reading, the measuring device is suitable for various narrow or special measuring occasions, the second reference surface 12 is used as a part which can be directly attached to the part to be measured, the sum of the extension length of the calculating ruler tape 2 and the length of the shell 1 is the actual length, and the measuring is more convenient.

Referring to fig. 1 and 2, the control switch 8 includes a hold switch 84, and the hold switch 84 is used to control the display panel 3 to keep displaying a certain reading. When a specific size is measured, the display panel 3 can be turned on by the hold switch 84

Referring to fig. 2 and 3, the roller meter 5 is disposed at a side of the housing 1 away from the ruler outlet 11. The roller type meter counter 5 is convenient to attach to the tape 2.

Preferably, the roller type meter counter is any one of a Hall meter counter, a grating meter counter, an encoder meter counter and a brush sheet meter counter.

The working process of the utility model comprises the following steps:

in the working process of the digital display tape measure, the control switch 8 controls the switch of the electronic element of the digital display tape measure, when the tape measure is drawn out, the tape measure 2 is rolled up to rotate and drives the metering roller 51 to rotate together, the roller meter 5 can calculate the extension length of the tape measure 2 through the metering roller 51, then data are transmitted to the control main 4, and the control main board 4 controls the display panel 3 to display corresponding data, so that electronic reading display is realized;

when the diameter or radius of the cylindrical object needs to be measured, the tape 2 is only required to be drawn out and wound around the cylindrical object for a circle, the circumference is measured by the roller type meter 5, the mode is switched to the circumference conversion radius or diameter mode by the circumference and diameter or radius conversion switch 81, and the calculation module is used for calculating the circumference according to the formula: diameter = C +.pi or radius = C/2π converted to diameter or radius; when the circumference of the circle is required to be calculated by measuring the diameter or the radius of the cylindrical object, the tape 2 is only required to be drawn out to measure the radius or the diameter of the cylindrical object, the mode is switched to the circumference mode converted from the radius or the diameter through the circumference-to-diameter or radius conversion switch 81, and the calculation module is used for calculating the circumference according to the formula: circumference=pi R or circumference 2 pi R converted to circumference of a cylinder;

during conventional measurement, the front reference reading mode can be switched to by the front-rear reference change-over switch 82, the front reference reading directly displays the reading of the roller meter 5, and the reading mode of the front reference reading is the conventional reading mode, so that most of measurement requirements are met; when some narrow spaces or special spaces need to be measured, the front reference change-over switch 82 can be switched to a rear reference reading mode, the shell 1 is also used as a part of a ruler to calculate the measurement size during rear reference reading, the ruler tape 2 is pulled out during measurement, the head end of the ruler tape 2 is respectively attached to the two ends of an object to be measured, and the rear reference reading directly displays the sum of the readings of the roller meter 5 and the rear reference size.

Standard parts used in the document of the utility model can be purchased from the market, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the electric sliding rail sliding seat, the air cylinder, the welding machine, the electric telescopic rod and the internal parts of the controller adopt conventional models in the prior art, the internal structure of the electric sliding rail sliding seat, the air cylinder, the welding machine, the electric telescopic rod and the controller belong to the prior art structure, a worker can finish normal operation of the electric sliding rail sliding seat, the electric telescopic rod and the controller according to the manual of the prior art, and the circuit connection adopts the conventional connection modes in the prior art, so that the specific description is not made.

It should be noted that, although the foregoing embodiments have been described herein, the scope of the present utility model is not limited thereby. Therefore, based on the innovative concepts of the present utility model, alterations and modifications to the embodiments described herein, or equivalent structures or equivalent flow transformations made by the present description and drawings, apply the above technical solutions directly or indirectly to other relevant technical fields, all of which are included in the scope of protection of the present patent.

Claims (9)

1. The utility model provides a digital display tape measure, includes casing (1) and rolling in tape (2) in casing (1), casing (1) one side is equipped with supplies tape outlet (11) that tape (2) stretched out, its characterized in that: the utility model discloses a meter is characterized by comprising a shell (1), the outer wall of shell (1) is equipped with display panel (3), be equipped with in shell (1) with control mainboard (4) that display panel (3) control is connected and with gyro wheel meter (5) that control mainboard (4) data communication is connected, gyro wheel meter (5) include with reel the measurement gyro wheel (51) of state chi area (2) laminating, keep away from on gyro wheel meter (5) one end of measurement gyro wheel (51) through axis body (52) with shell (1) hinged connection, be equipped with on axis body (52) be used for the drive gyro wheel meter (5) wind axis body (52) to torsional spring (6) that chi area (2) direction was upset still be equipped with in shell (1) with control mainboard (4) electric connection's battery (7) the outer wall of shell (1) be equipped with control switch (8) that control mainboard (4) control is connected.

2. The digital tape measure of claim 1 wherein: the control switch (8) comprises a perimeter and diameter or radius change-over switch (81), a calculation module corresponding to the perimeter and diameter or radius change-over switch (81) is arranged in the control main board (4), and the calculation module is used for reading according to the roller type meter counter (5) and converting the reading into perimeter, radius or diameter through a perimeter and radius or diameter change-over formula.

3. The digital tape measure of claim 1 wherein: the control switch (8) comprises a unit conversion switch (83), a unit conversion module corresponding to the unit conversion switch (83) is arranged in the control main board (4), and the unit conversion module is used for converting the reading of the roller meter (5) into an international unit or an English system unit.

4. The digital tape measure of claim 1 wherein: one side of the shell (1) far away from the ruler outlet (11) is provided with a second reference surface (12), the distance between the ruler outlet (11) and the second reference surface (12) is used as a rear reference size, the control switch (8) comprises a front reference change-over switch (82), the front reference change-over switch (82) is used for controlling the display panel (3) to display front reference reading or rear reference reading, the front reference reading directly displays the reading of the roller meter (5), and the rear reference reading displays the sum of the reading of the roller meter (5) and the rear reference size.

5. The digital tape measure of claim 1 wherein: the control switch (8) comprises a hold switch (84), the hold switch (84) being for controlling the display panel (3) to hold displaying a certain reading.

6. The digital tape measure of claim 1 wherein: the roller meter (5) is arranged at one side of the shell (1) far away from the ruler outlet (11).

7. The digital tape measure of claim 1 wherein: the display panel (3) is arranged on the upper side of the shell (1), and the arrangement direction of the display panel (3) is the same as the extension direction of the tape (2) after extending out of the tape outlet (11).

8. The digital tape measure of claim 1 wherein: the battery box is characterized in that a battery bin (13) is arranged on one side of the shell (1), the storage battery (7) is detachably arranged in the battery bin (13), and a cover plate (14) detachably connected with the battery bin (13) is arranged at the opening of the battery bin.

9. The digital tape measure of claim 1 wherein: the roller meter (5) is any one of a Hall meter, a grating meter, an encoder meter and an electric brush sheet meter.