CN211453954U - Optical structure of laser range finder - Google Patents

Optical structure of laser range finder Download PDF

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Publication number
CN211453954U
CN211453954U CN201922445330.2U CN201922445330U CN211453954U CN 211453954 U CN211453954 U CN 211453954U CN 201922445330 U CN201922445330 U CN 201922445330U CN 211453954 U CN211453954 U CN 211453954U
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China
Prior art keywords
hole
lens
receiving
mounting hole
range finder
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CN201922445330.2U
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Chinese (zh)
Inventor
唐超
王一凡
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Jiangxi Ruigong Technology Co ltd
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Shenzhen Xinhongjing Optoelectronic Technology Co ltd
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Abstract

The utility model discloses an optical structure of a laser range finder, which comprises a shell, wherein a first mounting hole and a second mounting hole which are parallel to each other and longitudinally penetrate through are respectively arranged in the shell; the first mounting hole comprises an emitter built-in hole and an emitter lens hole, a boss is arranged outside the emitter built-in hole, and first dispensing grooves are formed in two sides of the boss respectively; the one end that the second mounting hole is close to transmitter built-in hole is equipped with and receives the chip groove, the one end that the second mounting hole is close to transmission lens hole is equipped with and receives the lens hole, receive chip groove both sides are equipped with the second respectively and glue the recess. The utility model can install 9 x 6mm receiving lens in the receiving lens hole, and the orifice parts of the transmitting lens hole and the receiving lens hole are respectively provided with the glue dispensing fixing port, thereby having convenient assembly and small volume; two glue grooves are respectively arranged outside the transmitter built-in hole and the receiving chip, and can be coated in the two grooves for assembly in a UV glue dispensing mode, so that light debugging is facilitated.

Description

Optical structure of laser range finder
Technical Field
The utility model relates to a laser range finder field especially relates to a laser range finder optical structure.
Background
The laser distance measuring instrument is an instrument for measuring the distance to a target by using a certain parameter of modulated laser. The measuring range of the laser range finder is 3.5-5000 meters. The distance measuring method is divided into a phase method distance measuring instrument and a pulse method distance measuring instrument, the pulse type laser distance measuring instrument emits one or a sequence of transient pulse laser beams to a target when in work, a photoelectric element receives the laser beams reflected by the target, a timer measures the time from the emission to the reception of the laser beams, and the distance from an observer to the target is calculated; the phase-method laser range finder detects a distance by detecting a phase difference between emitted light and reflected light propagating in a space.
In the prior art, an optical device of the phase type laser range finder is a handheld part, and most of the optical devices of the existing range finders are complex in structure, so that the product is large in size and inconvenient for users to carry and use. In addition, the structural design of the optical device of the traditional phase laser range finder is not reasonable enough, so that the processing technology is complex, the light alignment difficulty of the product is high, the assembly efficiency is low, and the production efficiency is influenced.
Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the optical structure of the laser range finder has the advantages of small volume, easy light focusing, simple structure and easy assembly.
The technical scheme of the utility model as follows: an optical structure of a laser range finder comprises an integrally formed shell, wherein a first mounting hole and a second mounting hole which longitudinally penetrate through and are smooth are formed in the shell, and the axis of the first mounting hole is parallel to the axis of the second mounting hole;
the first mounting hole comprises an emitter built-in hole and an emitting lens hole, a through hole partition plate is arranged in the first mounting hole, the emitter built-in hole is arranged at one end of the through hole partition plate, and the emitting lens hole is arranged at the other end of the through hole partition plate;
a boss is arranged outside the emitter built-in hole, and two first dispensing grooves are formed in the end face, far away from the emitter built-in hole, of the boss;
a receiving chip groove is formed in one end, close to the transmitter built-in hole, of the second mounting hole, a receiving lens hole is formed in one end, close to the transmitter lens hole, of the second mounting hole, and the receiving chip groove is communicated with the receiving lens hole;
two second glue dispensing grooves are formed in the end face, far away from the lens receiving hole, of the receiving chip groove;
the aperture of the receiving lens hole is gradually narrowed along the direction of the groove end of the receiving chip.
By adopting the technical scheme, in the optical structure of the laser range finder, a plurality of sub-lens holes with the sequentially reduced hole diameters are arranged in the emission lens hole along the direction of the built-in hole of the emitter, and the hole diameters of the sub-lens holes along the direction of the built-in hole end of the emitter are sequentially reduced.
By adopting the technical scheme, in the optical structure of the laser range finder, the orifice of the receiving lens hole is of a rectangular structure, the length of the orifice of the receiving lens hole is 9mm, and the width of the orifice of the receiving lens hole is 6 mm.
By adopting the technical scheme, in the optical structure of the laser range finder, the upper edge and the lower edge of the orifice of the emission lens hole are respectively provided with a first spot gluing fixing port.
By adopting the technical scheme, in the optical structure of the laser range finder, the upper edge and the lower edge of the orifice of the receiving lens hole are respectively provided with a second glue dispensing fixing port.
By adopting the technical scheme, in the optical structure of the laser range finder, an optical positioning hole which is arranged in a penetrating manner is arranged on the shell between the first mounting hole and the second mounting hole.
By adopting the technical scheme, in the optical structure of the laser range finder, the upper end face and the lower end face of the shell, which are positioned in the receiving lens hole, are respectively provided with the concave-embedded chute.
By adopting the technical proposal, the utility model can install the receiving lens with 9 multiplied by 6mm in the receiving lens hole, and the orifice parts of the transmitting lens hole and the receiving lens hole are respectively provided with the glue dispensing fixing port, thereby facilitating the assembly and fixation by glue, and having small volume, convenient carrying and convenient assembly; two glue grooves are respectively arranged outside the built-in hole of the emitter and the receiving chip, and can be coated in the two grooves in a UV glue dispensing mode during assembly, so that light debugging can be conveniently and flexibly carried out, an optimal return light spot can be found through displacement, and the grooves can also effectively prevent glue from overflowing; the whole structure is simple, the volume is small, the light adjustment is simple, and the assembly and the production are convenient.
Drawings
Fig. 1 is a schematic view of a first-view perspective structure of the present invention;
fig. 2 is a schematic view of a second perspective three-dimensional structure of the present invention;
fig. 3 is a schematic view of a third perspective three-dimensional structure of the present invention;
fig. 4 is a schematic view of a fourth perspective three-dimensional structure of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 4, an optical structure of a laser range finder includes an integrally formed housing 1, a first mounting hole 2 and a second mounting hole 3 which longitudinally penetrate and are smooth are provided in the housing 1, and an axial line of the first mounting hole 2 is parallel to an axial line of the second mounting hole 3. In this embodiment, a laser emitting component may be installed in the first mounting hole 2, and a laser receiving component may be installed in the second mounting hole 3.
First mounting hole 2 is equipped with through-hole baffle 23 including transmitter built-in hole 21 and transmission lens hole 22 in the first mounting hole 2, the one end of through-hole baffle 23 is located to transmitter built-in hole 21, the other end of through-hole baffle 23 is located to transmission lens hole 22. In this embodiment, the emitter built-in hole 21 may be provided with a laser emitter, the emitting lens hole 22 may be provided with an emitting lens, the laser emitter may emit a laser beam into the emitting lens hole 22, and the emitting lens in the emitting lens hole 22 may focus the laser beam and transmit the laser beam to an object at a target distance.
As shown in fig. 1, a boss 24 is provided outside the emitter built-in hole 21, and two first dispensing grooves 210 are provided on an end surface of the boss 24 away from the emitter built-in hole 21. In this embodiment, the first glue dispensing groove 210 is formed on the boss 24, so that the position of the laser emitter on the emitter built-in hole 21 can be conveniently adjusted. Will the utility model discloses when assembling the accessory, can glue the UV that bonds laser emitter and scribble in first point glues recess 210, then the user can adjust laser emitter's position as required, carries out the point again and glues the solidification. The arrangement of the first glue dispensing groove 210 not only facilitates the adjustment of the position of a user to focus light, improves the assembly efficiency, but also effectively avoids glue overflow and reduces the production cost.
As shown in fig. 1 and fig. 3, a receiving lens groove 31 is formed at one end of the second mounting hole 3 close to the emitter built-in hole 21, a receiving lens hole 32 is formed at one end of the second mounting hole 3 close to the emitter lens hole 22, and the receiving lens groove 31 is communicated with the receiving lens hole 32. In this embodiment, a receiving chip for converting and analyzing an optical signal may be installed in the receiving chip slot 31, a receiving lens may be installed in the receiving lens hole 32, and the receiving lens may focus and absorb laser light diffusely reflected by an object at a target distance, and then transmit the laser light to the receiving chip in the receiving chip slot 31 to complete measurement.
As shown in fig. 1, two second dispensing grooves 310 are formed on the end surface of the receiving chip groove 31 away from the receiving lens hole 32. In this embodiment, during assembly, a user can bond the UV glue for fixing the receiving chip in the second glue dispensing groove 310, and the user can perform glue dispensing and curing on the debugged mounting position, so that the light is convenient to align.
As shown in fig. 4, the receiving lens aperture 32 is gradually narrowed in the direction of the end of the receiving chip groove 31.
As shown in fig. 4, further, the aperture of the receiving lens hole has a rectangular structure, the length of the aperture of the receiving lens hole is 9mm, and the width of the aperture of the receiving lens hole is 6 mm. In this embodiment, can place 9 x 6 mm's special receiving lens in receiving lens hole 32, through installing dedicated receiving lens in the receiving lens hole 32 of small and exquisite volume, come greatly reduced the utility model discloses a volume and weight, convenience of customers carries the use. Meanwhile, the integrally formed shell 1 structure is adopted, so that the processing and the manufacturing are facilitated, and the production efficiency is improved.
As shown in fig. 4, a plurality of sub-lens holes 220 with successively decreasing aperture diameters are further disposed in the emitting lens hole 22 along the direction of the emitter built-in hole 21, and the aperture diameter of each sub-lens hole 220 along the direction of the emitter built-in hole 21 end is successively smaller. Set up a plurality of minute lens holes 220 in transmitting lens hole 22, can convenience of customers installs the optical lens subassembly of constituteing by a plurality of transmitting lenses, improves the utility model discloses an application scope.
As shown in fig. 3, further, the upper and lower outer edges of the aperture of the transmitting lens hole 22 are respectively provided with a first adhesive fixing port 221. The first dispensing fixing opening 221 is provided for facilitating the user to dispense and fix the lens.
As shown in fig. 3, further, the upper and lower outer edges of the aperture of the lens receiving hole 32 are respectively provided with a second dispensing fixing hole 321. The second dispensing fixing opening 321 is provided to facilitate the user to dispense and fix the receiving lens.
As shown in fig. 1, further, an optical positioning hole 10 is formed through the housing 1 between the first mounting hole 2 and the second mounting hole 3. The user can install the utility model on the hand-held part or the device that can carry out rotation regulation through the optics locating hole 10, conveniently connects installation accessory part. Meanwhile, the optical positioning hole 10 is adopted instead of the traditional bolt hole positioning mode, so that the positioning precision of the utility model can be improved.
As shown in fig. 1, further, the housing 1 is provided with a recessed inclined groove 20 on the upper and lower end surfaces of the lens receiving hole 32. The user can perform glue adding and reducing operations at the location of the chute 20 to save raw material costs and control overall weight.
By adopting the technical proposal, the utility model can install the receiving lens with 9 multiplied by 6mm in the receiving lens hole, and the orifice parts of the transmitting lens hole and the receiving lens hole are respectively provided with the glue dispensing fixing port, thereby facilitating the assembly and fixation by glue, and having small volume, convenient carrying and convenient assembly; two glue grooves are respectively arranged outside the built-in hole of the emitter and the receiving chip, and can be coated in the two grooves in a UV glue dispensing mode during assembly, so that light debugging can be conveniently and flexibly carried out, an optimal return light spot can be found through displacement, and the grooves can also effectively prevent glue from overflowing; the whole structure is simple, the volume is small, the light adjustment is simple, and the assembly and the production are convenient.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (7)

1. A laser range finder optical structure characterized in that: the device comprises an integrally formed shell, wherein a first mounting hole and a second mounting hole which longitudinally penetrate through and are smooth are formed in the shell, and the axial lead of the first mounting hole is parallel to the axial lead of the second mounting hole;
the first mounting hole comprises an emitter built-in hole and an emitting lens hole, a through hole partition plate is arranged in the first mounting hole, the emitter built-in hole is arranged at one end of the through hole partition plate, and the emitting lens hole is arranged at the other end of the through hole partition plate;
a boss is arranged outside the emitter built-in hole, and two first dispensing grooves are formed in the end face, far away from the emitter built-in hole, of the boss;
a receiving chip groove is formed in one end, close to the transmitter built-in hole, of the second mounting hole, a receiving lens hole is formed in one end, close to the transmitter lens hole, of the second mounting hole, and the receiving chip groove is communicated with the receiving lens hole;
two second glue dispensing grooves are formed in the end face, far away from the lens receiving hole, of the receiving chip groove;
the aperture of the receiving lens hole is gradually narrowed along the direction of the groove end of the receiving chip.
2. The laser range finder optical structure of claim 1, wherein: a plurality of sub-lens holes with the sequentially reduced hole diameters are formed in the transmitting lens hole along the direction of the transmitter built-in hole, and the hole diameter of each sub-lens hole is sequentially reduced along the direction of the transmitter built-in hole end.
3. The laser range finder optical structure of claim 1, wherein: the drill way of the receiving lens hole is of a rectangular structure, the length of the drill way of the receiving lens hole is 9mm, and the width of the drill way of the receiving lens hole is 6 mm.
4. The laser range finder optical structure of claim 1, wherein: and the upper and lower outer edges of the orifice of the emission lens hole are respectively provided with a first spot gluing fixing port.
5. The laser range finder optical structure of claim 1, wherein: and the upper edge and the lower edge of the orifice of the receiving lens hole are respectively provided with a second dispensing fixing port.
6. The laser range finder optical structure of claim 1, wherein: and an optical positioning hole which is arranged in a penetrating way is arranged on the shell between the first mounting hole and the second mounting hole.
7. The laser range finder optical structure of claim 1, wherein: the shell is provided with a concave-embedded chute on the upper end surface and the lower end surface of the lens receiving hole respectively.
CN201922445330.2U 2019-12-27 2019-12-27 Optical structure of laser range finder Active CN211453954U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922445330.2U CN211453954U (en) 2019-12-27 2019-12-27 Optical structure of laser range finder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922445330.2U CN211453954U (en) 2019-12-27 2019-12-27 Optical structure of laser range finder

Publications (1)

Publication Number Publication Date
CN211453954U true CN211453954U (en) 2020-09-08

Family

ID=72299150

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922445330.2U Active CN211453954U (en) 2019-12-27 2019-12-27 Optical structure of laser range finder

Country Status (1)

Country Link
CN (1) CN211453954U (en)

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Effective date of registration: 20221228

Address after: 335000 building 2-B, smart maker Park, Yuehu new town, Yuehu District, Yingtan City, Jiangxi Province

Patentee after: Jiangxi Ruigong Technology Co.,Ltd.

Address before: 601, Floor 6, Xinhe Building, Huangjiang Industrial Park, No.85, Tongxin Road, Tongxin Community, Baolong Street, Longgang District, Shenzhen, Guangdong 518000

Patentee before: SHENZHEN XINHONGJING OPTOELECTRONIC TECHNOLOGY Co.,Ltd.