Laser measuring tape capable of automatically reading

Abstract

The utility model relates to the field of measuring equipment, in particular to a laser measuring tape capable of reading automatically, which is provided with a fixed base, and a reflecting plate is mounted at the top of the fixed base; the fixed base is connected with the ruler belt through the connecting clamping plate and the end plate, the fixed base and the reflecting plate form a reflecting surface for laser ranging, during measurement, the end plate is clamped at the edge of an object to be measured, the tail end of the ruler belt is aligned with the edge of the object to be measured, and at the moment, the inner side face of the plate body is flush with the edge of the object to be measured; the laser emitted by the laser emitting part is irradiated to the inner side surface of the plate body, and the laser is reflected by the plate body, so that a relatively large measurement error caused by unstable holding, uneven plane irradiated by the laser and non-parallel or vertical laser reflecting surface to an object to be measured can be prevented in a measurement process, and the measurement accuracy is improved. The influence of manual operation factors and measurement environment on the result is reduced, and the measurement accuracy is improved.

Description

Technical Field

[0001] This utility model relates to the field of measuring equipment, specifically to a laser measuring tape with automatic reading capability. Background Technology

[0002] Laser measuring tapes are portable measuring tools based on laser ranging technology. They emit a laser beam towards the target object and receive the reflected signal, combining the speed of light and time difference to calculate the distance, and finally display the measured value digitally. Their core functions include: high-precision measurement: most products have very small error control, with some professional models reaching sub-millimeter level; multi-mode adaptation: supporting single ranging, continuous measurement, area and volume calculation, etc., with some models equipped with Bluetooth connectivity for data synchronization; physical and digital fusion: retaining the mechanical tape of traditional measuring tapes while integrating a laser ranging module, making them applicable to various occasions such as home decoration, construction site surveying, and industrial manufacturing.

[0003] Existing laser measuring tapes typically require the traditional tape measure's strip and laser rangefinder to work together. Operators need to master horizontal and vertical calibration techniques, and beginners are prone to measurement errors due to unstable grip. Improper operation, such as failure to maintain a horizontal or vertical position during measurement, or shaking due to an unstable grip, will increase the error in laser rangefinder measurement. Since laser rangefinder measurement relies on the reflection of laser light, its accuracy is also affected by the environment. For example, an uneven reflecting surface or misalignment between the reflecting surface and the tape measure's strip will lead to significant errors in laser rangefinder measurement, affecting accuracy. Therefore, an automatic reading laser measuring tape is proposed. Utility Model Content

[0004] In order to solve the technical problems existing in the prior art, the present invention provides a laser measuring tape with automatic reading capability.

[0005] To solve the above technical problems, this utility model provides the following technical solution: a laser measuring tape with automatic reading capability, comprising a measuring tape body, a laser emitting part installed on the outside of the measuring tape body, a tape wound inside the measuring tape body, a fixed base provided at the end of the tape, and a reflector plate installed on the top of the fixed base;

[0006] The fixed base includes a connecting plate and an end plate. Two sets of connecting plates are provided, and the two sets of connecting plates are respectively clamped on the top and bottom surfaces of the tape. The end plate is provided at the end of the connecting plate.

[0007] The reflector is mounted on the end of the measuring tape via a fixed base, and the reflector works in conjunction with the laser emitting unit for measurement.

[0008] Preferably, the fixing base further includes connecting rivets, which pass through the connecting plate and the measuring tape to fix the connecting plate and the measuring tape.

[0009] Preferably, a limit baffle is provided on one side of the top of the end plate, and two sets of snap-fit ​​grooves are provided on the side of the end plate, with the two sets of snap-fit ​​grooves arranged in parallel.

[0010] Preferably, the reflector includes a connecting base and a plate body. The connecting base is fixed to the outside of the end plate, and the plate body is disposed on the upper side of the connecting base. The inner side of the plate body is flush with the inner side of the end plate, and a limiting groove is provided on one side of the plate body that can engage with a limiting baffle.

[0011] Preferably, the inner side of the connecting base is provided with two sets of connecting blocks that mate with the snap-fit ​​slots. The two sets of connecting blocks are arranged in parallel and are respectively inserted into the two sets of snap-fit ​​slots.

[0012] Preferably, a first magnet is provided on the outer side of the end plate, the first magnet is embedded in a groove on the outer side of the end plate, and the surface of the first magnet is flush with the outer surface of the end plate. A second magnet is provided on the side of the connecting base, the second magnet is embedded in a groove on the side of the connecting base.

[0013] Preferably, the outward-facing magnetic poles of the second magnet are opposite to those of the first magnet, and the first magnet and the second magnet cooperate to form a magnetic attraction and fixing structure.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] 1. This utility model features a fixed base with a reflector plate mounted on its top. The fixed base includes a connecting plate and an end plate. Two sets of connecting plates are respectively clamped onto the top and bottom surfaces of the measuring tape. The end plate is perpendicular to the connecting plates. The reflector plate includes a connecting base and a plate body, with the inner side of the plate body flush with the inner side of the end plate. The fixed base is connected to the measuring tape via the connecting plates and end plates. The fixed base and the reflector plate together form a reflective surface for laser ranging. During measurement, the end plate is clamped onto the edge of the object to be measured, aligning the end of the measuring tape with the edge of the object. At this time, the inner side of the plate body is flush with the edge of the object. The laser emitted by the laser emitter illuminates the inner side of the plate body, which reflects the laser. This prevents significant measurement errors caused by unstable grip, uneven laser illumination, or the laser reflector not being parallel or perpendicular to the object, thus reducing the influence of human operation and the measurement environment on the results and improving measurement accuracy.

[0016] 2. This utility model also includes connecting rivets, which pass through the connecting plate and the measuring tape to fix them. The connecting rivets improve the stability of the connection between the fixed base and the measuring tape, preventing the fixed base from loosening. The limiting groove creates an asymmetrical structure on both sides of the reflector, preventing the reflector from being installed backwards. The limiting baffle limits the limiting groove, ensuring that the reflector's installation position does not shift. The connecting block and the snap-fit ​​groove secure the connecting base to the end plate. The mutual attraction between the second magnet and the first magnet fixes the connecting base to the end plate, thereby fixing the reflector to the fixed base. When the reflector is not needed, it can be directly removed from the outside of the fixed base, making it applicable to various measurement environments. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a schematic diagram of the bottom three-dimensional structure of this utility model;

[0019] Figure 3 This is a partial structural diagram of the fixed base of this utility model;

[0020] Figure 4 This is a partial structural diagram of the reflector of this utility model.

[0021] The numbers in the diagram represent:

[0022] 1. Measuring tape body; 2. Laser emitting part; 3. Measuring tape; 4. Fixing base; 41. Connecting plate; 42. Connecting rivet; 43. End plate; 44. Limiting baffle; 45. Snap-fit ​​groove; 46. First magnet; 5. Reflector; 51. Connecting base; 52. Plate; 53. Limiting groove; 54. Connecting plug; 55. Second magnet. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments, highlighting the above and other technical features and advantages of the present invention. However, the following embodiments are merely preferred embodiments of the present invention and are not exhaustive.

[0024] Example:

[0025] like Figure 1 - Figure 4 As shown, this utility model provides a laser measuring tape with automatic reading capability, including a measuring tape body 1, a laser emitting part 2 installed on the outside of the measuring tape body 1, a tape 3 wound inside the measuring tape body 1, a fixed base 4 provided at the end of the tape 3, and a reflector 5 installed on the top of the fixed base 4.

[0026] The fixed base 4 includes a connecting plate 41 and an end plate 43. The connecting plate 41 is provided in two sets, and the two sets of connecting plates 41 are respectively clamped on the top and bottom surfaces of the tape 3. The end plate 43 is provided at the end of the connecting plate 41.

[0027] The reflector 5 is mounted on the end of the tape 3 via the fixed base 4, and the reflector 5 works in conjunction with the laser emitting part 2 to perform measurement.

[0028] The fixed base 4 is connected to the scale 3 via the connecting plate 41 and the end plate 43. The fixed base 4 and the reflector 5 form the reflective surface for laser ranging. During measurement, the end plate 43 is clamped to the edge of the object to be measured, aligning the end of the scale 3 with the edge of the object. At this time, the inner surface of the reflector 5 is flush with the edge of the object. The laser emitted by the laser emitting unit 2 irradiates the inner surface of the reflector 5, and the reflector 5 reflects the laser. Thus, during the measurement process, it can prevent large measurement errors caused by unstable grip, uneven laser irradiation surface, and non-parallel or non-perpendicular laser reflector to the object, reduce the influence of human operation factors and measurement environment on the results, and improve the accuracy of measurement.

[0029] The fixed base 4 also includes a connecting rivet 42, which passes through the connecting plate 41 and the ruler 3 to fix the connecting plate 41 and the ruler 3. The connecting rivet 42 improves the stability of the connection between the fixed base 4 and the ruler 3 and prevents the fixed base 4 from loosening.

[0030] A limiting baffle 44 is provided on one side of the top of the end plate 43, and a limiting groove 53 is provided on one side of the plate body 52, which can engage with the limiting baffle 44. The limiting groove 53 makes the two sides of the reflector 5 form an asymmetrical structure, so as to avoid the reflector 5 being installed backwards. The limiting baffle 44 limits the limiting groove 53, so that the installation position of the reflector 5 does not shift.

[0031] The end plate 43 has two sets of snap-fit ​​grooves 45 on its side. The two sets of snap-fit ​​grooves 45 are arranged in parallel and form a connection groove between the base 51 and the end plate 43.

[0032] The reflector 5 includes a connecting base 51 and a plate body 52. ​​The connecting base 51 is fixed to the outside of the end plate 43, and the plate body 52 is disposed on the upper side of the connecting base 51. The inner side of the plate body 52 is flush with the inner side of the end plate 43.

[0033] The inner side of the connecting base 51 is provided with two sets of connecting plugs 54 that cooperate with the snap-fit ​​slots 45. The two sets of connecting plugs 54 are arranged in parallel and are respectively inserted into the two sets of snap-fit ​​slots 45. The connecting base 51 and the end plate 43 are snapped and fixed by the connecting plugs 54 and the snap-fit ​​slots 45.

[0034] A first magnet 46 is provided on the outer side of the end plate 43. The first magnet 46 is embedded in the groove on the outer side of the end plate 43. The surface of the first magnet 46 is flush with the outer surface of the end plate 43 to prevent the unevenness between the first magnet 46 and the end plate 43 from affecting the measurement accuracy. A second magnet 55 is provided on the side of the connecting base 51. The second magnet 55 is embedded in the groove on the side of the connecting base 51.

[0035] The magnetic poles of the second magnet 55 facing outward are opposite to those of the first magnet 46. The first magnet 46 and the second magnet 55 cooperate to form a magnetic attraction fixing structure. The connecting base 51 and the end plate 43 are fixed by the mutual attraction between the second magnet 55 and the first magnet 46, thereby fixing the reflector 5 to the fixed base 4. When the reflector 5 is not needed, it can be directly removed from the outside of the fixed base 4, thus enabling its application in various measurement environments.

[0036] The above description is merely a preferred embodiment of the present utility model and is illustrative rather than restrictive. Those skilled in the art will understand that many changes, modifications, and even equivalents can be made within the spirit and scope defined by the claims of the present utility model, all of which will fall within the protection scope of the present utility model.

Claims

1. A laser measuring tape with automatic reading capability, characterized in that, The device includes a measuring tape body, a laser emitting unit installed on the outside of the measuring tape body, a measuring tape wound inside the measuring tape body, a fixed base provided at the end of the measuring tape, and a reflector installed on the top of the fixed base; The fixed base includes a connecting plate and an end plate. Two sets of connecting plates are provided, and the two sets of connecting plates are respectively clamped on the top and bottom surfaces of the tape. The end plate is provided at the end of the connecting plate. The reflector is mounted on the end of the measuring tape via a fixed base, and the reflector works in conjunction with the laser emitting unit for measurement.

2. The laser measuring tape with automatic reading capability as described in claim 1, characterized in that, The fixing base also includes connecting rivets, which pass through the connecting plate and the measuring tape to fix the connecting plate and the measuring tape.

3. The laser measuring tape with automatic reading capability as described in claim 2, characterized in that, A limit baffle is provided on one side of the top of the end plate, and two sets of snap-fit ​​grooves are provided on the side of the end plate, with the two sets of snap-fit ​​grooves arranged in parallel.

4. The laser measuring tape with automatic reading capability as described in claim 3, characterized in that, The reflector includes a connecting base and a plate body. The connecting base is fixed to the outside of the end plate. The plate body is disposed on the upper side of the connecting base. The inner side of the plate body is flush with the inner side of the end plate. A limiting groove is provided on one side of the plate body, which can engage with the limiting baffle.

5. The laser measuring tape with automatic reading capability as described in claim 4, characterized in that, The inner side of the connecting base is provided with two sets of connecting blocks that mate with the snap-fit ​​slots. The two sets of connecting blocks are arranged in parallel and are respectively inserted into the two sets of snap-fit ​​slots.

6. The laser measuring tape with automatic reading capability as described in claim 5, characterized in that, A first magnet is provided on the outer side of the end plate. The first magnet is embedded in a groove on the outer side of the end plate and its surface is flush with the outer surface of the end plate. A second magnet is provided on the side of the connecting base and its surface is embedded in a groove on the side of the connecting base.

7. The laser measuring tape with automatic reading capability as described in claim 6, characterized in that, The second magnet has its outward-facing magnetic poles opposite to those of the first magnet, and the first magnet and the second magnet work together to form a magnetic attraction and fixation structure.

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