CN115493468A - Ruler hook end face assembly with right-angle laser measuring reference and tape - Google Patents
Ruler hook end face assembly with right-angle laser measuring reference and tape Download PDFInfo
- Publication number
- CN115493468A CN115493468A CN202211264656.5A CN202211264656A CN115493468A CN 115493468 A CN115493468 A CN 115493468A CN 202211264656 A CN202211264656 A CN 202211264656A CN 115493468 A CN115493468 A CN 115493468A
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- Prior art keywords
- angle
- ruler
- laser
- hook
- tape
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/10—Measuring tapes
- G01B3/1056—Tape end arrangements, e.g. end-hooks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/10—Measuring tapes
- G01B3/1003—Measuring tapes characterised by structure or material; characterised by layout or indicia
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/002—Active optical surveying means
- G01C15/004—Reference lines, planes or sectors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Tape Measures (AREA)
Abstract
The utility model provides a ruler hook terminal surface subassembly and tape measure with right angle laser survey benchmark, includes the ruler hook body, the ruler hook body have with the parallel hook portion that pastes tight horizontal portion and perpendicular to ruler tape setting of ruler tape, its characterized in that: the upper end of the hook part of the ruler hook body is formed with a containing cavity, a laser module, a battery and a switch which can emit a laser source are installed in the containing cavity, the laser beam is divided into two beams which are perpendicular to each other and used as a right-angle spectroscope and a beam diverging mirror of a right-angle laser measuring reference, and the laser module, the battery and the switch are electrically connected to form a light emitting circuit. The invention has reasonable structural design, increases the right-angle laser reference on the end surface of the tape hook, effectively solves the technical problem that no right-angle reference exists during the measurement of the steel tape, and provides accurate right-angle measurement reference and length measurement reference for users.
Description
Technical Field
The invention relates to a tape measure, in particular to a tape measure hook end face assembly with a right-angle laser measuring datum and a tape measure.
Background
The measuring tape is a common distance measuring tool and is one of essential tools for building, decoration and family. The structure of the existing tape measure mainly comprises a shell, a tape, a brake, a tape hook, a lifting belt, a tape spring, an anti-falling protective sleeve and a label, wherein the tape hook is used as the most important reference piece for measuring the precision of the tape measure, and the structure, the precision and the assembly of the tape measure directly influence the size of a measuring error. And no functional ruler hook exists in the market at present.
The existing tape measure is mostly manually held for use, whether the manual visual measurement measuring scale is parallel or vertical to a measured target is needed, along with the increase of the discharging distance of the measuring scale, the manual visual measurement often leads to the measuring scale belt to be difficult to keep the right angle or the parallel measurement with the measured target edge, therefore, when the right angle measurement and the length measurement are carried out, the deviation often occurs, and the high-precision measurement effect cannot be reached.
Through the investigation, chinese patent 'a novel tape measure for engineering survey' that current patent number is CN202120901762.4, including the tape measure body, the tape measure body embeds there is the dipperstick, and dipperstick one end passes the mouth that receive and releases of tape measure body side-mounting to dipperstick one end fixed connection mounting panel side central authorities, the first fixed cone of mounting panel bottom fixedly connected with, the mounting panel is close to dipperstick one side-mounting and has laser emitter, tape measure body one side fixed mounting has the backup pad that is located and receive and releases mouthful below, and the backup pad is close to mounting panel one side fixed mounting and has the location level crossing. The measuring tape can prevent deviation of the measuring tape from occurring in the releasing direction, the releasing angle and the target linear direction through the arranged laser emitter and the positioning plane mirror, so that the measuring accuracy and the measuring efficiency are improved, but the laser beam is a beam and only can provide a beam of measuring reference, and the requirement of right-angle measuring reference cannot be met.
Therefore, it is desirable to design a tape hook end face assembly and a tape measure having a right angle laser measuring standard, which provides a more accurate right angle measuring standard and length standard for users.
Disclosure of Invention
The first technical problem to be solved by the invention is to provide a ruler hook end face assembly with a right-angle laser measuring standard, which is reasonable in structural design and high in measuring accuracy, aiming at the technical current situation.
The second technical problem to be solved by the present invention is to provide a tape measure with a right-angle laser measurement reference, which has a reasonable structural design and high measurement accuracy, in view of the above technical situation.
The technical scheme adopted by the invention for solving the first technical problem is as follows: the utility model provides a ruler hook end face subassembly with right angle laser reference measuring standard, includes the ruler hook body, the ruler hook body have with the parallel hook portion that pastes tight horizontal portion and perpendicular to ruler tape setting of ruler tape, its characterized in that: the upper end of the hook part of the ruler hook body is formed with a containing cavity, a laser module, a battery and a switch which can emit a laser source are installed in the containing cavity, the laser beam is divided into two beams which are perpendicular to each other and used as a right-angle spectroscope and a beam diverging mirror of a right-angle laser measuring reference, and the laser module, the battery and the switch are electrically connected to form a light emitting circuit.
As an improvement, the accommodating cavity is a rectangular cavity with the length consistent with that of the hook portion, the hook portion is tightly attached to the outer wall of the accommodating cavity and is vertically arranged, a positioning plate is arranged on the left side of the middle portion in the accommodating cavity, the laser module is arranged on the right side of the positioning plate, the battery is arranged on the left side of the positioning plate, a spring is supported between the battery and the positioning plate, a switch is installed on the left side of the battery in the accommodating cavity, and a button hole for extending a switch button is formed in the left end of the accommodating cavity.
Further, the right angle spectroscope is right angle triangular spectroscope, and the right angle spectroscope sets up on the right side of laser module, and the inclined plane of right angle spectroscope is to the laser module, and a right-angle side hugs closely the rear side inner wall that holds the chamber, and the light beam diverges the mirror and is two mutually perpendicular, sets up respectively at the right-hand member and the front end of holding intracavity, right angle spectroscope, and a laser that the laser module sent divides into two right angle beams forward, right mutually perpendicular through the right angle spectroscope, diverges the mirror through the light beam again and diverges and forms umbrella face light beam.
Furthermore, a semi-reflecting film for increasing the reflection light splitting effect is plated on the inclined plane of the right-angle light splitter.
Furthermore, the light beam diverging mirrors are cambered mirrors which longitudinally diverge the light source and transversely do not diverge the light source, an expansion cavity extending forwards is arranged at the right end of the accommodating cavity, and the two light beam diverging mirrors are respectively arranged at the right end in the accommodating cavity and in the expansion cavity and are perpendicular to each other.
And furthermore, a cover plate is arranged at the upper end of the accommodating cavity in an involutive manner, and light emitting grooves for light beams to pass through are respectively and longitudinally formed in the positions, corresponding to the middle position of the light beam diverging mirror, of the right end of the accommodating cavity and the front end of the expansion cavity.
Furthermore, the light-emitting grooves are strip-shaped grooves, the bottom surfaces of the light-emitting grooves are as high as the upper end surfaces of the transverse parts, and the light-emitting grooves at the right end are abutted against the front end surfaces of the hook parts.
And finally, the straight-angle beam splitter can not be arranged in the containing cavity, and the right end of the laser module is provided with a beam diverging mirror to form a beam of laser measurement reference.
The technical scheme adopted by the invention for solving the second technical problem is as follows: a tape measure with above-mentioned tape hook terminal surface subassembly, includes the casing, rotationally installs brake block, tape and tape hook terminal surface subassembly on the casing, its characterized in that: the ruler hook end face assembly comprises a ruler hook body, the ruler hook body is provided with a transverse part which is attached to the ruler belt in parallel and a hook part which is perpendicular to the ruler belt, a containing cavity is formed at the upper end of the hook part, and a laser module capable of emitting a laser source, a battery, a right-angle spectroscope and a beam diverging mirror which divide a laser beam into two mutually perpendicular beams are installed in the containing cavity to form two beams of laser measuring reference which form a right angle; or the right-angle spectroscope is not installed in the accommodating cavity, the light beam diverging mirror is installed at the right end of the laser module to form a laser measurement reference, and the laser module, the battery and the switch are electrically connected to form a light emitting circuit.
Further, the rear end of the transverse portion is arranged in the middle of the bottom of the front end of the accommodating cavity, a front rivet hole and a rear rivet hole are formed in the transverse portion in the length direction, and the transverse portion is mounted on the front face of the front end of the tape through rivets.
Compared with the prior art, the invention has the advantages that: be equipped with in the upper end of chi hook and hold the chamber, hold the intracavity and install laser module, battery, switch, right angle spectroscope and the light beam that can emit the laser source and diverge the mirror, a beam of laser that the laser module sent divide into two right-angle light beams forward, right mutually perpendicular through the right angle spectroscope, diverges the mirror through the light beam again and forms umbrella face light beam, and the projection forms bright one-tenth right angle laser measurement datum line to measuring surface. The invention has reasonable structural design, and the right-angle laser reference is added on the end surface of the ruler hook, thereby effectively solving the problem of poor right-angle measurement precision and providing accurate right-angle measurement reference and length measurement reference for users.
Drawings
FIG. 1 is a schematic structural view of a hook end face assembly according to an embodiment of the present invention;
FIG. 2 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic diagram of longitudinal beam splitting according to an embodiment of the present invention;
fig. 4 is a schematic plane beam splitting diagram according to an embodiment of the present invention.
FIG. 5 is a diagram of the optical path of a laser beam;
FIG. 6 is an exploded view of a ruler hook end face assembly of an embodiment of the present invention;
FIG. 7 is a schematic view of the tape measure of the present invention during a measuring procedure.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1-7, a ruler hook end face assembly with a right-angle laser measurement reference comprises a ruler hook body 1, wherein the ruler hook body 1 is provided with a transverse part 11 which is attached to a ruler tape 2 in parallel and a hook part 12 which is perpendicular to the ruler tape 2, a containing cavity 13 is formed at the upper end of the hook part 12 of the ruler hook body 1, a laser module 3 which can emit a laser source, a battery 4, a right-angle spectroscope 7 which divides a laser beam a into two mutually perpendicular beams b and serves as the right-angle laser measurement reference, and a beam diverging mirror 8 are installed in the containing cavity 13, and the laser module, the battery and a switch are electrically connected to form a light emitting circuit.
The concrete structure is as follows: the accommodating cavity 13 is a rectangular cavity with the length consistent with that of the hook part 12, the hook part 12 is vertically arranged close to the outer wall of the accommodating cavity 13, a positioning plate 14 is arranged at the left position of the middle part in the accommodating cavity 13, the laser module 3 is arranged on the right side of the positioning plate 14, the battery 4 is arranged on the left side of the positioning plate 14, a spring 6 is supported between the battery 4 and the positioning plate 14, a switch 5 is arranged on the left side of the battery 4 in the accommodating cavity 13, and a button hole for the switch button 51 to extend out is formed in the left end of the accommodating cavity 13. The right-angle spectroscope 7 is a right-angle triangular spectroscope, the right-angle spectroscope 7 is arranged on the right side of the laser module 3, the inclined plane of the right-angle spectroscope 6 is opposite to the laser module 7, a right-angle edge is tightly attached to the inner wall of the rear side of the accommodating cavity 13, the two light beam diverging mirrors 8 are perpendicular to each other and are respectively arranged in the accommodating cavity 13 and at the right end and the front end of the right-angle spectroscope 7, and the inclined plane of the right-angle spectroscope 7 is plated with a semi-reflecting film for increasing the reflection light splitting effect. The light beam diverging mirrors 8 are cambered mirrors with longitudinally diverging light sources and transversely non-diverging light sources, the right end of the cavity 13 is provided with an expansion cavity 15 extending forwards, and the two light beam diverging mirrors 8 are respectively arranged at the right end in the cavity 13 and in the expansion cavity 15 and are mutually vertical. The upper end of the cavity 13 is provided with a cover plate 10 in an involutory manner, and the right end of the cavity 13 and the front end of the expansion cavity 15 are respectively and longitudinally provided with a light-emitting groove 16 for the light beam b to pass through corresponding to the middle position of the light beam diverging mirror 8. Thus, a laser beam a emitted by the laser module 3 is divided into two right-angle light beams b which are mutually vertical to the front and the right by the right-angle spectroscope 7, and then the two right-angle light beams are diverged by the light beam diverging mirror 8 to form an umbrella surface light beam which is projected to the measuring surface 9 to form a bright vertical laser projection reference line 30 and a bright transverse laser projection reference line 40 which form a right angle. The light-emitting grooves 16 are strip-shaped grooves, the bottom surfaces of the light-emitting grooves 16 are equal in height to the upper end surface of the transverse portion 11, and the light-emitting groove 16 at the right end abuts against the front end surface of the hook portion 12.
In addition, the laser light source can also not be split by the right-angle beam splitter 7, under the condition, the right-angle beam splitter 7 is not arranged in the accommodating cavity, and the right end of the laser module 3 is provided with a beam diverging mirror 8 to form a beam of laser measuring reference.
A tape measure with the tape hook end face assembly comprises a shell B, a brake block, a tape belt 2 and a tape hook end face assembly, wherein the brake block is rotatably installed on the shell B, the tape hook end face assembly comprises a tape hook body 1, the tape hook body 1 is provided with a transverse part 11 which is tightly attached to the tape belt 2 in parallel and a hook part 12 which is perpendicular to the tape belt 2, the upper end of the hook part 12 is formed with a containing cavity 13, a laser module 3 capable of emitting a laser source, a battery 4, a right-angle spectroscope 7 and a beam diverging mirror 8 which divide a laser beam a into two mutually perpendicular beams B are installed in the containing cavity 13, and two beams of laser measuring reference which form a right angle are formed; or the cavity 13 is not provided with the right angle beam splitter 7, and the right end of the laser module 3 is provided with the beam diverging mirror 8 to form a beam of laser measurement reference. The laser module, the battery and the switch are electrically connected to form a light emitting circuit. The rear end of the transverse portion 11 is arranged in the middle of the bottom of the front end of the accommodating cavity 13, a front rivet hole and a rear rivet hole are formed in the transverse portion 11 along the length direction, the front end of the tape 2 is provided with a corresponding connecting hole 21, and the transverse portion 11 is installed on the front face of the front end of the tape 2 through a rivet 20.
The working principle is as follows: during measurement, the switch 5 is turned on, one laser beam a emitted by the laser module 3 is divided into two right-angle light beams b which are perpendicular to each other forwards and rightwards through the right-angle spectroscope 7, and then the two right-angle light beams are diverged through the light beam diverging mirror 8 to form an umbrella cover light beam which is projected to the measurement surface 9 to form a bright longitudinal laser projection reference line 30 and a bright transverse laser projection reference line 40 which form a right angle.
According to the invention, the right-angle laser reference is added on the end face of the ruler hook, so that the problem of poor right-angle measurement precision is effectively solved, and accurate right-angle measurement reference and length measurement reference are provided for users.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (10)
1. The utility model provides a ruler hook end face subassembly with right angle laser measuring basis, includes the ruler hook body, the ruler hook body have with the parallel hook portion that pastes tight horizontal portion and perpendicular to ruler tape setting of ruler tape, its characterized in that: the upper end of the hook part of the ruler hook body is formed with a containing cavity, a laser module, a battery and a switch which can emit a laser source are installed in the containing cavity, the laser beam is divided into two beams which are perpendicular to each other and used as a right-angle spectroscope and a beam diverging mirror of a right-angle laser measuring reference, and the laser module, the battery and the switch are electrically connected to form a light emitting circuit.
2. The end surface assembly of a ruler hook according to claim 1, wherein: the laser module is arranged on the right side of the positioning plate, the battery is arranged on the left side of the positioning plate, a spring is supported between the battery and the positioning plate, a switch is installed on the left side of the battery in the accommodating cavity, and a button hole for the switch button to extend out is formed in the left end of the accommodating cavity.
3. The end face assembly of a ruler hook according to claim 2, wherein: the right-angle spectroscope is right-angle triangular spectroscope, and the right-angle spectroscope sets up on the right side of laser module, and the inclined plane of right-angle spectroscope is to the laser module, and a right-angle side hugs closely the rear side inner wall that holds the chamber, and the light beam divers the mirror and is two mutually perpendicular, sets up respectively at the right-hand member and the front end of holding intracavity, right-angle spectroscope, and a laser that the laser module sent divides into two right-angle light beams forward, right mutually perpendicular through the right-angle spectroscope, diverges the mirror through the light beam and diverges and forms umbrella face light beam again.
4. The end surface assembly of a ruler hook according to claim 3, wherein: and a semi-reflection film for increasing the reflection and light splitting effects is plated on the inclined surface of the right-angle light splitter.
5. The end surface assembly of a ruler hook according to claim 3, wherein: the light beam diverging mirrors are cambered mirrors which longitudinally diverge the light source and transversely do not diverge the light source, the right end of the accommodating cavity is provided with an expansion cavity extending forwards, and the two light beam diverging mirrors are respectively arranged at the right end in the accommodating cavity and in the expansion cavity and are mutually vertical.
6. The end surface assembly of a ruler hook according to claim 5, wherein: the upper end of the containing cavity is provided with a cover plate in an involutive mode, and the right end of the containing cavity and the front end of the expansion cavity are respectively and longitudinally provided with a light emitting groove for light beams to penetrate through corresponding to the middle position of the light beam diverging mirror.
7. The end surface assembly of a ruler hook according to claim 6, wherein: the light-emitting grooves are strip-shaped grooves, the bottom surfaces of the light-emitting grooves are as high as the upper end surfaces of the transverse parts, and the light-emitting grooves at the right end are abutted against the front end surfaces of the hook parts.
8. The end face assembly of a ruler hook according to claim 1, wherein: the right-angle spectroscope is not installed in the accommodating cavity, and the right end of the laser module is provided with a beam diverging mirror to form a beam of laser measurement reference.
9. A tape measure having the hook face assembly of any one of claims 1 to 8, comprising a housing, a brake shoe rotatably mounted on the housing, a tape, and the hook face assembly, wherein: the ruler hook end face assembly comprises a ruler hook body, the ruler hook body is provided with a transverse part which is attached to the ruler belt in parallel and a hook part which is perpendicular to the ruler belt, a containing cavity is formed at the upper end of the hook part, and a laser module capable of emitting a laser source, a battery, a right-angle spectroscope and a beam diverging mirror which divide a laser beam into two mutually perpendicular beams are installed in the containing cavity to form two beams of laser measuring reference which form a right angle; or the right-angle spectroscope is not installed in the accommodating cavity, the light beam diverging mirror is installed at the right end of the laser module to form a laser measurement reference, and the laser module, the battery and the switch are electrically connected to form a light emitting circuit.
10. A tape measure according to claim 9, wherein: the rear end of the transverse portion is arranged in the middle of the bottom of the front end of the accommodating cavity, a front rivet hole and a rear rivet hole are formed in the transverse portion along the length direction, and the transverse portion is mounted on the front face of the front end of the tape through rivets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211264656.5A CN115493468A (en) | 2022-10-17 | 2022-10-17 | Ruler hook end face assembly with right-angle laser measuring reference and tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211264656.5A CN115493468A (en) | 2022-10-17 | 2022-10-17 | Ruler hook end face assembly with right-angle laser measuring reference and tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115493468A true CN115493468A (en) | 2022-12-20 |
Family
ID=84473714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211264656.5A Pending CN115493468A (en) | 2022-10-17 | 2022-10-17 | Ruler hook end face assembly with right-angle laser measuring reference and tape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115493468A (en) |
-
2022
- 2022-10-17 CN CN202211264656.5A patent/CN115493468A/en active Pending
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